Source: https://patents.google.com/patent/JPH09257461A/en
Timestamp: 2020-01-18 20:34:41
Document Index: 18970554

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JPH09257461A - Three-dimensional coordinate measuring apparatus - Google Patents
Three-dimensional coordinate measuring apparatus
JPH09257461A
JPH09257461A JP8087129A JP8712996A JPH09257461A JP H09257461 A JPH09257461 A JP H09257461A JP 8087129 A JP8087129 A JP 8087129A JP 8712996 A JP8712996 A JP 8712996A JP H09257461 A JPH09257461 A JP H09257461A
JP8087129A
1996-03-18 Application filed by Ricoh Co Ltd, 株式会社リコー filed Critical Ricoh Co Ltd
1996-03-18 Priority to JP8087129A priority Critical patent/JPH09257461A/en
1997-10-03 Publication of JPH09257461A publication Critical patent/JPH09257461A/en
PROBLEM TO BE SOLVED: To simplify a constitution of a three-dimensional measuring apparatus and improve portability of the apparatus.
SOLUTION: When a take-in indication part 4 of a probe 1 indicates to take in accelerations in Xs-axis, Ys-axis and Zs-axis directions of an indicator coordinate system detected by three acceleration sensors 5, and angular velocities about the Xs-axis, Ys-axis and Zs-axis detected by three gyros 6, a communication part 9 sends the detected accelerations and angular velocities to an operation device 2. Based on the accelerations and angular velocity from the probe 1, the operation device 2 operates a moving direction and a moving distance of the probe in three dimensions in a gravity coordinate system, and obtains a three-dimensional coordinate in the gravity coordinate system based on a measuring start point of an object to be measured as a reference.
【発明の属する技術分野】この発明は３次元座標測定装置、特に装置の小型化及び可搬性の向上に関するものである。 TECHNICAL FIELD The present invention is three-dimensional coordinate measuring device, and in particular to reduce the size and improve the portability of the device.
【従来の技術】３次元物の形状の測定には重力加速度方向に伸びる軸をＺｇ軸にした重力座標系の３軸方向にリニアスケールを持つ３次元測定装置が用いられていた。 3-dimensional measuring apparatus having a linear scale in the three axial directions of gravity coordinate system in which the axis extending in the direction of gravitational acceleration in the Zg axis has been used for the measurement of the Related Art 3D object shape.
これらのスケールがたわむと正確な測定ができないため、３次元測定装置の筐体を堅牢にする必要があった。 Since these scales is deflected Failure accurate measurement, it was necessary to robust housing of the three-dimensional measuring device.
【０００３】また、例えば特開平５-340709号公報に掲載された３次元形状測定装置では可撓性を有する膜を被測定物に密着し、可撓性を有する膜上にマトリックス状に配列されたコイルに３軸方向の交流磁界をそれぞれ与えることで、磁界発生点からコイルまでの距離を電磁結合を基にして算出し被測定物の３次元形状を測定している。 [0003] Also, for example, a three-dimensional shape measuring apparatus published in JP-A-5-340709 is adhered a film having flexibility to the object to be measured, it is arranged in a matrix on the membrane with a flexible coils in three axial directions of the alternating magnetic field by giving each measures the three-dimensional shape of the object calculated by the distance from the magnetic field generation point to the coil based electromagnetic coupling.
【発明が解決しようとする課題】しかしながら、上記３ THE INVENTION Problems to be Solved However, the above-mentioned 3
次元測定装置及び３次元形状測定装置は被測定物の大きさに応じて大きくする必要があり可搬性が悪い。 Dimension measuring apparatus and a three-dimensional shape measuring apparatus is poor should portability be increased according to the size of the object.
【０００５】また、建物等の場合には被測定物が大きいため、上記３次元測定装置及び３次元形状測定装置では測定できず、主に三角測量法による測量が用いられている。 Further, since the object to be measured is large in the case of a building, not be measured by the three-dimensional measuring apparatus and a three-dimensional shape measuring apparatus, mainly surveying triangulation method is used. 設計の３次元化が進んでいる中で３次元測定データの直接入力の要求が高まってきて、どこでも簡単に３次元データを収集できる装置に対する要求が高まってきている。 There is an increasing demand for direct input of the three-dimensional measurement data in that progressed three-dimensional design, anywhere request for device to collect easily three-dimensional data is increasing.
【０００６】この発明はかかる要求を満足するためになされたものであり、可搬性に優れた３次元座標測定装置を得ることを目的とする。 [0006] The present invention has been made to satisfy these requirements, and to obtain a three-dimensional coordinate measuring device having excellent portability.
【課題を解決するための手段】この発明に係る３次元座標測定装置は、プローブと演算装置を有し、プローブは測定箇所指針部と３個の加速度センサと３個のジャイロと取込指示部と通信部を備え、測定箇所指針部は先端部で被測定物の測定箇所を指し示し、３個の加速度センサはそれぞれ測定箇所指針部の軸をＺｓ軸とした指針座標系（Ｘｓ，Ｙｓ，Ｚｓ）のＸｓ軸方向，Ｙｓ軸方向及びＺｓ軸方向の加速度を検出し、３個のジャイロはそれぞれＸｓ軸周り，Ｙｓ軸周り及びＺｓ軸周りの角速度を検出し、取込指示部は３個の加速度センサが検出した加速度及び３個のジャイロが検出した角速度の取り込みを指令し、通信部は取込指示部が被測定物の測定データの取り込みを指令すると、測定データを演算装置に送り、演算装置はプローブ SUMMARY OF THE INVENTION The three-dimensional coordinates measuring apparatus according to the invention has a probe and calculating device, the probe measuring position pointer portion and three acceleration sensors and three gyros and taking instruction unit and a communication unit, measurement point pointer portion points to the measurement point of the object to be measured at the tip, three pointer coordinate system acceleration sensor that each axial measurement point pointer portion and Zs axes (Xs, Ys, Zs Xs-axis direction), to detect the acceleration in the Ys axis and Zs-axis direction, three gyros around Xs axis, respectively, detects the angular velocity about the Ys axis and Zs axes, taking instruction section of the three When acceleration and three gyro acceleration sensor detects that instructs the uptake of the detected angular velocity, the communication unit is taking instruction unit instructs the incorporation of measurement data of the object to be measured, feeding the measurement data to the arithmetic unit, arithmetic device probe ら受けた加速度及び角速度を基に重力加速度方向に伸びる軸をＺｇ軸にした重力座標系（Ｘ Gravity coordinate system in which the axis extending in the direction of gravitational acceleration based on et received acceleration and angular velocity Zg axis (X
ｇ，Ｙｇ，Ｚｇ）におけるプローブの３次元の移動方向及び移動距離を演算し被測定物の測定開始箇所を基準とした重力座標系（Ｘｇ，Ｙｇ，Ｚｇ）における３次元座標を算出して、装置構成を小型化する。 g, Yg, gravity coordinate system based on the measurement start position of the three-dimensional movement direction and the movement distance calculated DUT probe in Zg) (Xg, Yg, and calculates the three-dimensional coordinates in Zg), to miniaturize the apparatus configuration.
【０００８】また、３次元座標測定装置は、測定箇所指針部と３個の加速度センサと３個のジャイロと取込指示部と座標演算部と通信部を備え、測定箇所指針部は先端部で被測定物の測定箇所を指し示し、３個の加速度センサはそれぞれ測定箇所指針部の軸をＺｓ軸とした指針座標系（Ｘｓ，Ｙｓ，Ｚｓ）のＸｓ軸方向，Ｙｓ軸方向及びＺｓ軸方向の加速度を検出し、３個のジャイロはそれぞれＸｓ軸周り，Ｙｓ軸周り及びＺｓ軸周りの角速度を検出し、座標演算部は３個の加速度センサが検出した加速度及び３個のジャイロが検出した角速度を基に重力加速度方向に伸びる軸をＺｇ軸にした重力座標系（Ｘｇ， Further, the three-dimensional coordinate measuring device, a communication unit and the measurement point pointer portion and three acceleration sensors and three gyros and taking instruction section and the coordinate calculation unit, measurement point pointer portion is at the distal end point to measurement point of the object to be measured, the three pointer coordinate system acceleration sensor that was Zs axis the axis of the measuring point pointer portion respectively (Xs, Ys, Zs) Xs-axis direction, the Ys axis and Zs-axis direction detects acceleration, three gyros around Xs axis, respectively, detects the angular velocity about the Ys axis and Zs axes, the coordinate calculation section three acceleration and the acceleration sensor detects the three gyros detects angular velocity gravity coordinate system in which the axis extending in the direction of gravitational acceleration in the Zg axis based (Xg,
Ｙｇ，Ｚｇ）におけるプローブの３次元の移動方向及び移動距離を演算して被測定物の測定開始箇所を基準とした重力座標系（Ｘｇ，Ｙｇ，Ｚｇ）における３次元座標を算出し、取込指示部は被測定物の測定箇所の３次元座標の取り込みを指令し、通信部は取込指示部が測定データの取り込みを指令すると測定データを外部装置に送り、小型の装置で被測定物の３次元座標を測定し外部装置に送る。 Yg, calculates three-dimensional coordinates in the gravity coordinate system with reference to the measurement start point of the three-dimensional movement direction and the movement distance calculated by the measurement of the probe in Zg) (Xg, Yg, Zg), taking instruction section instructs the incorporation of 3-dimensional coordinates of the measuring points of the object to be measured, the communication unit and the taking instruction unit instructs the incorporation of measurement data sending measurement data to an external device, the object to be measured in a compact device the three-dimensional coordinates and sends measured to an external device.
【０００９】さらに、通信部は取込指示部が測定データの取り込みを指令すると、測定データをワイアレス通信で送り、プローブの可搬性を良くする。 Furthermore, the communication unit when taking instruction unit instructs the uptake of the measurement data and sends the measurement data in a wireless communication, to improve the portability of the probe.
【００１０】さらに、取込指示部は被測定物から測定箇所指針部に加わる力を検出する力検出部を備え、力検出部が被測定物から測定箇所指針部に加わる力を検出すると測定データの取り込みを指令して、操作を簡単にする。 Furthermore, taking instruction unit includes a force detecting section for detecting a force applied to the measurement point pointer portion from the measurement object, the force detecting section for detecting a force applied to the measurement point pointer portion from the measurement object measured data uptake and instructs the, to simplify the operation.
【００１１】また、取込指示部は測定箇所指針部が被測定物に接触したときの衝撃を検出する接触検出部を備え、接触検出部が測定箇所指針部が被測定物に接触したときの衝撃を検出すると測定データの取り込みを指令して、装置構成をさらに小型化する。 Further, taking instruction unit location pointer part is measured when in contact with the workpiece impact includes a contact detection unit for detecting a contact detection unit is a part pointer portion is measured when in contact with the workpiece impact of directing incorporation of measurement data and for detecting a further miniaturize the device configuration.
【００１２】さらに、測定箇所指針部は先端部に可視光を発光する光源部と光源部からの可視光を絞り被測定物にスポット光を照射するレンズユニットを備えることにより、目標点と測定箇所指針部の先端部の当接点とのずれの発生を少なくする。 Furthermore, by measurement point guidance unit comprising a lens unit for irradiating a spot light to the aperture measured object visible light from the light source unit and the light source unit that emits visible light to the tip, measurement points and the target point to reduce the occurrence of displacement between the contact point of the front end portion of the pointer portion.
【００１３】また、測定箇所指針部は光源部とレンズユニットと光角度測定部と位置算出部を備え、光源部は測定箇所指針部の先端部で可視光を発光し、レンズユニットは光源部からの可視光を絞り被測定物の被測定位置にスポット光を照射し、光角度測定部は被測定物に照射したスポット光の重力座標系（Ｘｇ，Ｙｇ，Ｚｇ）のＸｓ Further, measurement point pointer portion includes a position calculating unit and the light source unit and the lens unit and the optical angle measuring unit, the light source unit emits visible light at the tip of the measuring point pointer unit, the lens unit from the light source Xs aperture visible light irradiating the spot light to the measured position of the object to be measured, the light angle measuring unit gravity coordinates of the spot light irradiated on the object to be measured (Xg, Yg, Zg)
軸およびＹｓ軸に対する角度を測定し、位置算出部は予め入力した測定箇所指針部と被測定物の基準位置との距離と光角度測定部が測定したスポット光の照射角度を基に被測定物の基準位置からの被測定箇所の距離を算出して、非接触で被測定物の２次元座標を検出する。 An angle relative to the axis and Ys axes were measured, the position calculating section object to be measured based on the distance and the illumination angle of the spot light optical angle measuring section is measured between the reference position of the measurement point pointer portion and the object to be measured previously input by calculating the distance of the measured point from a reference position of detecting the two-dimensional coordinates of the object to be measured without contact.
【００１４】また、測定箇所指針部は光源部とレンズユニットと光読取部と距離測定部を備え、光源部は測定箇所指針部の先端部で可視光を発光し、レンズユニットは光源部からの光を絞り被測定物にスポット光を照射し、 Further, measurement point pointer portion includes a light source unit and the lens unit and the optical reading unit and the distance measuring unit, the light source unit emits visible light at the tip of the measuring point pointer unit, the lens unit from the light source the workpiece stop light irradiating the spot light,
光読取部は被測定物からの反射光を入射して電気信号に変換し、距離測定部は光読取部が変換した電気信号を基に被測定物までの距離を測定して、距離測定部が測定した被測定物までの距離、３個の加速度センサが検出した加速度及び３個のジャイロが検出した角速度を基に被測定物の測定開始箇所を基準とした重力座標系（Ｘｇ，Ｙ Light reader is converted into an electric signal by the incident light reflected from the object to be measured, the distance measuring section measures the distance to the object to be measured based on an electric signal the light scanning unit is converted, the distance measuring section There the distance to the measured object measured, three gravity coordinate system acceleration sensor is an acceleration and three detected gyro relative to the measurement start position of the object to be measured based on the detected angular velocities (Xg, Y
ｇ，Ｚｇ）における３次元座標を算出し、目標点と測定箇所指針部の先端部の当接点とのずれの発生を少なくすると共に、非接触で被測定物を測定する。 g, and calculates the three-dimensional coordinates in Zg), as well as reduce the occurrence of misalignment between the target point and the contact point of the front end portion of the measuring point pointer portion, for measuring the object without contact.
【発明の実施の形態】この発明の３次元座標測定装置は、被測定物の３次元形状測定をするもので、装置の小型化及び可搬性の向上に関するものである。 DETAILED DESCRIPTION OF THE INVENTION 3-dimensional coordinate measuring device of the invention is to a three-dimensional shape measurement of an object to be measured, it relates to improvement in miniaturization and portability of the device.
【００１６】３次元座標測定装置は、プローブと演算装置を有する。 [0016] 3-dimensional coordinate measuring device has a probe with computing device. プローブは、例えば測定箇所指針部と３個の加速度センサと３個のジャイロと取込指示部と測定データ記憶部と通信部を有する。 The probe includes a communication unit for example a measurement point pointer portion and three acceleration sensors and three gyros and taking instruction section and the measurement data storage unit. 測定箇所指針部は先端部で被測定物の測定箇所を指し示す。 Measurement point pointer portion points to the measurement point of the object to be measured at the tip. ３個の加速度センサはそれぞれ測定箇所指針部の軸をＺｓ軸とした指針座標系（Ｘｓ，Ｙｓ，Ｚｓ）のＸｓ軸方向，Ｙｓ軸方向及びＺｓ軸方向の加速度を検出する。 Three guidance coordinate system acceleration sensor that each axial measurement point pointer portion and Zs axes (Xs, Ys, Zs) Xs-axis direction, detects the acceleration of the Ys axis and Zs-axis direction. ３個のジャイロはそれぞれＸｓ軸周り，Ｙｓ軸周り及びＺｓ軸周りの角速度を検出する。 Three gyros around Xs axis respectively, for detecting the angular velocity about the Ys axis and Zs axes. 取込指示部は、例えばボタンスイッチを備え、３個の加速度センサが検出した加速度と３個のジャイロが検出した回転角速度の取り込みを指令する。 Taking instruction unit includes, for example, a button switch, the three acceleration and three gyro acceleration sensor detects an instruction to capture the rotational angular velocity detected.
【００１７】測定データ記憶部は３個の加速度センサが検出した加速度と３個のジャイロが検出した回転角速度を記憶する。 The measurement data storage unit stores the three acceleration acceleration sensor detects the and three rotational angular velocity gyro detects. 通信部は取込指示部が被測定物の測定データの取込指令をすると、測定データ記憶部に記憶した３ When the communication unit is taking instruction portion is a capture instruction of the measurement data of the object to be measured, and stored in the measurement data storage section 3
個の加速度センサが検出した加速度と３個のジャイロが検出した回転角速度をワイアレス通信で演算装置に転送する。 The rotational angular velocity pieces of acceleration and three gyro acceleration sensor detects detects transferred to the arithmetic unit in a wireless communication. ここで、ワイアレス通信としては、例えば無線通信及び光による通信等がある。 Here, the wireless communication, a communication such as, for example, by wireless communication and optical.
【００１８】演算装置はプローブから受信した加速度及び回転角速度を基に重力加速度方向に伸びる軸をＺｇ軸にした重力座標系における測定箇所指針部の先端部の移動方向及び移動距離を演算するもので、例えば初期回転角演算部と回転角変化演算部と測定中回転角演算部と座標変換演算部と移動量演算部を備える。 The computing device intended for calculating a moving direction and a moving distance of the distal end portion of the measurement point pointer portion in the gravity coordinate system in which the axis extending in the direction of gravitational acceleration based on the acceleration and the rotational angular velocity received from the probe to the Zg axis includes, for example, a initial rotation angle movement amount calculating section and the arithmetic unit and the rotation angle change computing unit and the measurement of the rotation angle calculating section and the coordinate transformation operation part. 初期回転角演算部は３個の加速度センサが検出した指針座標系の加速度を基に測定箇所指針部の回転角の初期値を演算する。 Initial rotation angle calculation unit calculates the initial value of the rotation angle of the measuring point pointer portion based on the acceleration of the pointer coordinate system detected by three acceleration sensors. 回転角変化演算部は測定中に３個のジャイロが検出した角速度を積分して非検査物の形状測定中の測定箇所指針部の回転角の変化を算出する。 Rotation angle change computing unit is three gyros to calculate the change in the rotation angle of the measuring point pointer portion in the shape measurement of non-inspected object by integrating the detected angular velocity during measurement.
【００１９】測定中回転角演算部は初期回転角演算部が演算した測定箇所指針部の回転角の初期値と回転角変化演算部が演算した測定箇所指針部の回転角の変化を基に、測定中の測定箇所指針部の回転角を求める。 [0019] Based on the change in the rotational angle of the measuring point pointer portion of the change in the rotation angle calculation unit and the initial value is calculated in the rotation angle of the rotation angle computing unit during the measurement measurement point pointer portion that initial rotation angle calculation unit has calculated, obtaining a rotation angle of the measuring point pointer portion being measured. 座標変換演算部は測定中回転角演算部が検出した測定中の測定箇所指針部の回転角と加速度センサが検出した測定箇所指針部先端の指針座標系の加速度を基に測定箇所指針部の重力座標系の加速度を算出する。 Gravity of the coordinate transformation operation part is measurement point pointer portion based on the acceleration of the pointer coordinate system of the measuring point pointer tip rotation angle and acceleration sensor measurement point pointer portion in measuring the rotation angle calculation unit during measurement has detected detects to calculate the acceleration of the coordinate system. 移動量演算部は座標変換演算部が変換した加速度を２回積分して測定箇所指針部先端の重力座標系での移動方向及び移動距離を算出して、被測定物の測定箇所の座標を演算する。 Movement amount calculating section calculates the moving direction and moving distance of the gravity coordinate system of the measuring point pointer tip by integrating twice the acceleration coordinate transformation operation part is converted, calculates the coordinates of the measuring points of the object to be measured to. ここで、 here,
演算装置が算出する被測定物の測定箇所の座標は測定開始した位置を基準とした相対座標である。 Computing device is a relative coordinate coordinates of the measuring points of the object to be measured is relative to the measurement starting position to calculate.
【００２０】なお、上取込指示部にボタンスイッチを用いる代わりに、測定箇所指針部に加わる被測定物からの力の有無を検出したり、測定箇所指針部が被測定物に接触したときの衝撃を検出したりして３次元被測定物の測定中か否かの判断をしても良い。 [0020] Instead of using the button switch up taking instruction unit, or to detect the presence or absence of a force from the object to be measured applied to the measurement point pointer part, measurement point pointer portion when in contact with the workpiece shock may be detected or to the whether or not the measurement of the three-dimensional object to be measured is determined. これにより、操作を簡単にして操作間違いなどを防止できる。 Thus, it is possible to prevent an operation mistake to simplify the operation.
【００２１】さらに、測定箇所指針部は測定箇所指針部の先端部に可視光を発光する光源部と光源部からの可視光を絞り被測定物にスポット光を照射するレンズユニットを備えて、被測定物の目標点に可視光による目印を付けることにより、目標点と測定箇所指針部の先端部の当接点とのずれの発生を少なくしても良い。 Furthermore, provided with a lens unit for irradiating a spot light visible light to the aperture measured object from the light source and the light source unit measurement point pointer portion that emits visible light to the tip of the measuring point pointer portion, the by attaching a mark by visible light to the target point of the measuring object, it may reduce the occurrence of misalignment between the target point and the contact point of the front end portion of the measurement point pointer portion.
【００２２】また、測定箇所指針部は光源部とレンズユニットと光角度測定部と位置算出部を備えるようにしても良い。 Further, measurement point pointer portion may be provided with a position calculating section and the light source unit and the lens unit and the optical angle measuring unit. 光源部は測定箇所指針部の先端部で可視光を発光し、レンズユニットは光源部からの可視光を絞り被測定物の被測定位置にスポット光を照射する。 Light source unit emits visible light at the tip of the measuring point pointer unit, the lens unit irradiates spot light to be measured positions of the visible light aperture measured object from the light source unit. 光角度測定部は被測定物に照射したスポット光の重力座標系（Ｘ Light angle measuring unit spotlight of gravity coordinate system irradiating the object to be measured (X
ｇ，Ｙｇ，Ｚｇ）におけるＸｓ軸およびＹｓ軸に対する角度を測定する。 g, Yg, its angle to the Xs axis and Ys axes in Zg) is measured. 位置算出部は予め入力した測定箇所指針部と被測定物の基準位置との距離と光角度測定部が測定した光の角度を基に被測定物の基準位置からの被測定箇所の位置を３次元オイラ角を用いて算出して、遠距離の被測定物の２次元座標を検出する。 Position calculating section 3 the position of the measurement point from the reference position of the object to be measured based on the angle of light distance and optical angle measurement unit to measure a reference position of the pre-entered measurement point pointer portion and the object to be measured is calculated by using the dimensions Euler angle, it detects the two-dimensional coordinates of the long distance of the object to be measured. ここで、光源部は、例えばレーザ光を発光する。 Here, the light source unit, for example, emits a laser beam.
【００２３】また、測定箇所指針部は光源部とレンズユニットと光読取部と距離測定部を備えるようにしても良い。 Further, measurement point pointer portion may be provided with a light source unit and the lens unit and the optical reading unit and the distance measuring unit. 光源部は測定箇所指針部の先端部で可視光を発光する。 Light source unit emits visible light at the tip of the measurement point pointer portion. レンズユニットは光源部からの可視光を絞り被測定物にスポット光を照射する。 Lens unit irradiates spot light in the visible light aperture measured object from the light source unit. 光読取部は被測定物からの反射光を入射して電気信号に変換する。 Light reader is converted into an electrical signal by the incident light reflected from the object to be measured. 距離測定部は光読取部が変換した電気信号を基に被測定物までの距離を測定する。 The distance measuring unit for measuring a distance to the object to be measured based on an electric signal the light scanning unit is converted. ここで、光読取部が変換した電気信号を基に被測定物までの距離を測定するには、例えば三角法を用いる。 Here, in order to measure the distance to the object to be measured based on an electric signal the light scanning unit is converted, for example using triangulation. 演算部装置は距離測定部が測定した被測定物までの距離、３個の加速度センサが検出した加速度及び３個のジャイロが検出した角速度を基に重力座標系（Ｘｇ， The distance to the arithmetic unit device measured object distance measuring unit to measure, three acceleration and the acceleration sensor detects the three gyros gravity coordinate system based on the detected angular velocity (Xg,
Ｙｇ，Ｚｇ）における測定箇所指針部の先端部の移動方向及び移動距離を演算して、目標点と測定箇所指針部の先端部の当接点とのずれの発生を少なくすると共に、非接触で被測定物を測定する。 Yg, and calculates the movement direction and the movement distance of the tip of the measurement point pointer portion in Zg), as well as reduce the occurrence of misalignment between the target point and the contact point of the front end portion of the measuring point pointer part, the contactlessly the measured object to measure.
【実施例】図１はこの発明の一実施例の３次元座標測定装置の構成図である。 DETAILED DESCRIPTION FIG. 1 is a configuration diagram of a three-dimensional coordinate measuring device of one embodiment of the present invention. 図に示すように、３次元座標測定装置はプローブ１と演算装置２を有する。 As shown, the three-dimensional coordinate measuring device has a probe 1 and arithmetic unit 2. プローブ１は測定箇所指針部３、取込指示部４、加速度センサ５ａ， Probe 1 measurement point pointer part 3, taking instruction unit 4, the acceleration sensor 5a,
５ｂ，５ｃ、ジャイロ６ａ，６ｂ，６ｃ、測定データ記憶部８、通信部９及び電源部１０を備える。 Comprising 5b, 5c, gyro 6a, 6b, 6c, the measurement data storage unit 8, the communication unit 9 and the power supply unit 10. 測定箇所指針部３はユーザの操作により、先端部３１で被測定物の測定位置を指し示す。 Measurement point pointer unit 3 by the operation of the user, indicating the measurement position of the measured object at the tip 31. 取込指示部４は、例えば押しボタンスイッチを有し、被測定物の基準点と測定箇所指針部３の先端部３１が接触したときにユーザが上記押しボタンスイッチを押すことにより、被測定物の測定データの取り込み指令を入力する。 Taking instruction unit 4, for example, pressing a button switch, the user presses the push button switch described above when the tip portion 31 of the measurement point pointer portion 3 and the reference point of the object to be measured is in contact, the object to be measured to enter the uptake command of the measurement data. 加速度センサ５ａ，５ｂ，５ Acceleration sensor 5a, 5b, 5
ｃは、それぞれ測定箇所指針部３の軸をＺｓ軸とした場合のＺｓ軸と直交するＸｓ軸方向，Ｙｓ軸方向及びＺｓ c is, Xs-axis direction orthogonal respective axes measurement point pointer portion 3 and the Zs axis of the case of the Zs axis, Ys-axis direction, and Zs
軸方向に向けて設けられ、測定箇所指針部３の先端部３ Provided in the axial direction, distal end portion 3 of the measurement point pointer portion 3
１におけるＸｓ軸方向，Ｙｓ軸方向及びＺｓ軸方向の加速度Ａxs，Ａys，Ａzsを検出する。 Xs-axis direction of 1, Ys-axis direction and Zs-axis direction of the acceleration Axs, Ays, detects the AZS. ここで、加速度センサ５ａ，５ｂ，５ｃは、ピエゾ抵抗方式のものでも静電容量方式のものでも良い。 Here, the acceleration sensor 5a, 5b, 5c may be of even capacitive intended piezoresistive type. ジャイロ６ａ，６ｂ，６ｃはそれぞれＸｓ軸周り，Ｙｓ軸周り及びＺｓ軸周りの角速度Ｐ，Ｑ，Ｒを検出する。 Gyro 6a, 6b, around each 6c Xs axis, Ys axis and angular velocity P around Zs axis, Q, to detect the R. 以下の説明では、特に断わらない限り測定箇所指針部３の軸をＺｓ軸とした座標系を指針座標系といい、Ｚｓ軸と直交する２軸をＸｓ軸及びＹｓ軸として説明する。 In the following description, particularly referred to as a guidance coordinate system coordinate system with Zs-axis the axis of the measuring point pointer portion 3 unless otherwise noted, illustrating the two axes perpendicular to the Zs axis as Xs axis and Ys axes. また、重力加速度方向に伸びる軸をＺｇ軸とする座標系を重力座標系といい、Ｚｇ軸と直交する２軸をＸｇ軸及びＹｇ軸という。 Furthermore, the coordinate system of the axis extending in the direction of gravitational acceleration and Zg axis called gravity coordinate system, and two axes perpendicular to the Zg axis that Xg-axis and Yg-axis.
【００２５】測定データ記憶部８は加速度センサ５ａ， The measurement data storage unit 8 the acceleration sensor 5a,
５ｂ，５ｃが検出した加速度Ａxs，Ａys，Ａzs及びジャイロ６ａ，６ｂ，６ｃが検出した角速度Ｐ，Ｑ，Ｒを記憶する。 5b, acceleration Axs which 5c detects, stores Ays, AZS and the gyro 6a, 6b, the angular velocity P of 6c detects, Q, and R. 通信部９は、演算装置２とワイアレス通信を行い、取込指示部４が加速度センサ５ａ，５ｂ，５ｃが検出した加速度Ａxs，Ａys，Ａzs及びジャイロ６ａ，６ The communication unit 9, the arithmetic unit 2 and performs wireless communication, taking instruction unit 4 is an acceleration sensor 5a, 5b, acceleration Axs which 5c detects, Ays, AZS and gyro 6a, 6
ｂ，６ｃが検出した角速度Ｐ，Ｑ，Ｒの取り込みを指令すると、測定データ記憶部８に記憶した加速度Ａxs，Ａ b, 6c angular velocity P detected, Q, to instruct the R uptake, acceleration Axs stored in the measurement data storage unit 8, A
ys，Ａzs及びジャイロ６ａ，６ｂ，６ｃが検出した角速度Ｐ，Ｑ，Ｒを演算装置に送信する。 ys, and transmits Azs and gyro 6a, 6b, the angular velocity P of 6c detects, Q, and R to the processing unit. ここで、通信部９ Here, the communication unit 9
は演算装置２と無線通信をするようにしても、光通信をするようにしても良い。 Also it is in the wireless communication and computing device 2 may be an optical communication.
【００２６】演算装置２は、例えば図２に示すように受信部２１、初期回転角演算部２３、回転角変化演算部２ The arithmetic unit 2, for example, the receiving unit 21 as shown in FIG. 2, the initial rotation angle computing unit 23, rotation angle change computing unit 2
４、測定中回転角演算部２５、座標変換演算部２６及び移動量演算部２７を備える。 4, measured in the rotation angle calculation unit 25 includes a coordinate transformation operation part 26 and the movement amount calculating unit 27. 受信装置２１はプローブ１ Receiver 21 includes a probe 1
から加速度センサ５ａ，５ｂ，５ｃが検出した加速度及びジャイロ６ａ，６ｂ，６ｃが検出した回転角速度を受信する。 Acceleration sensor 5a from, 5b, acceleration and gyro 6a 5c detects, 6b, 6c receives a rotational angular velocity detected. 初期回転角演算部７３は３個の加速度センサ５ Initial rotation angle computing unit 73 three acceleration sensors 5
ａ，５ｂ，５ｃが検出した指針座標系での加速度Ａxs， a, 5b, acceleration in the guidelines coordinate system 5c has detected Axs,
Ａys，Ａzsを基に測定箇所指針部３の回転角の初期値θ Ays, the initial value of the rotation angle of the measuring point pointer portion 3 based on AZS theta
0，φ0及びΨ0を演算する。 0, computes the φ0 and .phi.0. 回転角変化演算部２４は被測定物の表面座標測定中の３個のジャイロ６ａ，６ｂ， Rotation angle change calculation unit 24 three gyros 6a in the surface coordinates measured of the object to be measured, 6b,
６ｃが検出した回転角速度Ｐ，Ｑ，Ｒを積分して測定箇所指針部３の回転角の変化Δθ，Δφ及びΔΨを算出する。 Rotational angular velocity P of 6c detects, Q, change Δθ of the rotation angle of the measuring point pointer portion 3 by integrating the R, calculates the Δφ and [Delta] [Psi]. 測定中回転角演算部２５は初期回転角演算部２３が演算した測定箇所指針部３の回転角の初期値θ0，φ0及びΨ0と回転角変化演算部２４が演算した測定箇所指針部３の回転角の変化Δθ，Δφ及びΔΨを基に、測定中の測定箇所指針部３の回転角θ，φ及びΨを求める。 Measurements During rotation angle computing unit 25 is rotated in the initial rotational angle initial value of the rotation angle of the measuring point pointer portion 3 by the calculation unit 23 calculates .theta.0, .phi.0 and Ψ0 and rotation angle change calculation unit 24 calculates measurement point pointer portion 3 change Δθ corner, based on Δφ and [Delta] [Psi], the rotation angle of the measuring point pointer portion 3 in the measuring theta, seeking φ and [psi. ここで、測定中回転角演算部２５はΨ0＝０として測定中の測定箇所指針部３の回転角θ，φ及びΨを求める。 Here, the measurement in the rotation angle calculation unit 25 is the rotation angle θ of the measurement point pointer portion 3 being measured as .phi.0 = 0, determine the φ and [psi.
【００２７】座標変換演算部２６は測定中回転角演算部２５が検出した測定中の測定箇所指針部３の回転角θ， The rotation angle of the measuring point pointer portion 3 in the measurement coordinate transformation operation part 26 for measuring the rotating angle calculation unit 25 detects theta,
φ，Ψと加速度センサ５ａ，５ｂ，５ｃが検出した指針座標系による加速度Ａxs，Ａys，Ａzsを基に重力座標系による加速度Ａxg，Ａyg，Ａzgを算出する。 phi, [psi and acceleration sensors 5a, 5b, 5c acceleration Axs by guidance coordinate system detected, Ays, acceleration due to gravity coordinate system based on Azs Axg, Ayg, calculates the AZG. 移動量演算部２７は座標変換演算部２６が変換した重力座標系による加速度Ａxg，Ａyg，Ａzgを２回積分して測定箇所指針部３の先端部３１の移動方向及び移動距離を算出して、 Movement amount calculating section 27 acceleration due to gravity coordinate system coordinate transformation operation part 26 is converted Axg, Ayg, calculates the moving direction and moving distance of the distal end portion 31 of the measurement point pointer portion 3 by integrating twice the AZG,
被測定物の測定箇所の座標を演算する。 It calculates the coordinates of the measuring points of the object to be measured.
【００２８】次に、３次元座標測定装置の動作を説明する前に、上記重力座標系による加速度Ａxg，Ａyg，Ａzg Next, before describing the operation of the three-dimensional coordinate measuring device, an acceleration Axg by the gravity coordinate system, Ayg, AZG
を求める方法について説明する。 A description will be given of a method for determining the.
【００２９】指針座標系の各軸Ｘｓ，Ｙｓ，Ｚｓ周りの回転角速度と測定箇所指針部３の回転角の変化Δθ，Δ The axes Xs guidelines coordinate system, Ys, the rotational angular velocity and the change Δθ of the rotation angle of the measuring point pointer portion 3 around Zs, delta
φ，ΔΨは次式で表わすことができる。 phi, [Delta] [Psi] can be expressed by the following equation.
【００３１】測定中の測定箇所指針部３の回転角θ， [0031] The angle of rotation of the measurement point pointer part 3 in the measurement θ,
φ，Ψは測定箇所指針部３の回転角の初期値θ0，φ0， phi, the initial value θ0 of Ψ is a rotation angle of the measuring point pointer part 3, .phi.0,
Ψ0及び回転角の変化Δθ，Δφ，ΔΨを基に次式で求めることができる。 Change Δθ of Ψ0 and the rotation angle, [Delta] [phi, can be obtained by the following equation based on [Delta] [Psi].
【００３３】また、重力座標系から指針座標系への変換は次式により行うことができる。 Further, the conversion to the guideline coordinate system from the gravity coordinate system can be carried out by the following equation.
【００３５】上記式を指針座標系から重力座標系への変換式の変形する。 The deformation of the conversion formula of the formulas pointer coordinate system to the gravity coordinate system.
【００３７】座標変換演算部２６は上記座標変換式を一次的な近似式で近似して、下記の式を用いて指針座標系による加速度Ａxs，Ａys，Ａzsを重力座標系による加速度Ａxg，Ａyg，Ａzgに変換する。 The coordinate transformation operation part 26 approximates the coordinate transformation equation by a linear approximation equation, the acceleration due to pointer coordinate system using the following equation Axs, Ays, acceleration due to gravity coordinate system Azs Axg, Ayg, to convert to Azg.
【００３９】ここで、ｌｘ，ｌｙ，ｌｚは測定箇所指針部３の先端部３１から各加速度センサ５ａ，５ｂ，５ｃ [0039] Here, lx, ly, lz are the acceleration sensors 5a from the distal end portion 31 of the measurement point pointer portion 3, 5b, 5c
までの距離であり、Ｇは重力加速度である。 A distance of up to, G is the gravitational acceleration. また、 Also,
〔Ｆ〕は３次元座標測定装置の回転による加速度センサ５ａ，５ｂ，５ｃが検出する加速度に対する影響を示す項である。 [F] is a term indicating the effect on acceleration by the acceleration sensor 5a due to the rotation of the three-dimensional coordinate measuring device, 5b, 5c is detected.
【００４０】上記構成の３次元座標測定装置の動作を、 [0040] The operation of the three-dimensional coordinate measurement device with the above structure,
図３のフローチャートを参照して説明する。 With reference to the flowchart of FIG. 3 will be described.
【００４１】加速度センサ５ａ，５ｂ，５ｃはそれぞれＸｓ方向，Ｙｓ方向，Ｚｓ方向の加速度Ａxs，Ａys，Ａ The acceleration sensor 5a, 5b, respectively 5c Xs direction, Ys direction, Zs direction of the acceleration Axs, Ays, A
zsを検出し、ジャイロ６ａ，６ｂ，６ｃはそれぞれＸｓ To detect the zs, each gyro 6a, 6b, 6c is Xs
軸周り，Ｙｓ軸周り，Ｚｓ軸周りの回転角速度Ｐ，Ｑ， Around the axis, around Ys axis, the rotational angular velocity P about Zs axis, Q,
Ｒを検出する。 To detect the R. ユーザが測定箇所指針部３の先端部３１ Tip 31 users measurement point pointer portion 3
を被測定物の測定基準箇所まで移動し、取込指示部４のスイッチを押下して、測定開始を指示する（ステップＳ The move to metric location of the object to be measured, by pressing the switch taking instruction unit 4, and instructs the start of measurement (Step S
１）。 1). 測定開始の指示を入力すると、プローブ１は測定データ記憶部８に記憶した加速度５ａ，５ｂ，５ｃ及び回転角速度Ｐ，Ｑ，Ｒを消去した後に（ステップＳ If you enter a command to start measurement, acceleration 5a probe 1 stored in the measurement data storage unit 8, 5b, 5c and the rotational angular velocity P, Q, after clearing the R (step S
２）、加速度センサ５ａ，５ｂ，５ｃが検出したＸｓ軸方向，Ｙｓ軸方向，Ｚｓ軸方向の加速度及びジャイロ６ 2), the acceleration sensor 5a, 5b, 5c is detected Xs axis direction, Ys-axis direction, the Zs-axis direction acceleration and a gyro 6
ａ，６ｂ，６ｃが検出したＸｓ軸周り，Ｙｓ軸周り，Ｚ a, 6b, 6c is around Xs axis detected around Ys axis, Z
ｓ軸周りの回転角速度を測定データ記憶部８に記憶する（ステップＳ３）。 The rotation angular velocity around the s-axis is stored in the measurement data storage unit 8 (step S3). ユーザが再度取込指示部３を押下すると（ステップＳ４）、通信部９は演算装置２を呼び出して測定データ記憶部８に記憶した測定データを送信する（ステップＳ５）。 When the user presses the taking instruction unit 3 again (step S4), and a communication unit 9 transmits the measurement data stored in the measurement data storage unit 8 calls the arithmetic unit 2 (step S5). ３次元測定装置は被測定物の３次元形状を調べるため、測定箇所指針部３の上下だけでは測定の開始を検出することができないが、このように、 For three-dimensional measuring device to determine the three-dimensional shape of the object, but only the upper and lower measurement point pointer portion 3 can not detect the start of the measurement, thus,
取込指示部４から測定開始を指令することにより、正確に測定データの収集をすることができる。 By commanding the start of measurement from taking instruction unit 4, it can be a collection of accurately measured data.
【００４２】演算装置２の初期回転角演算部２３はプローブ１から加速度センサ５ａ，５ｂ，５ｃが検出したＸ The arithmetic unit initial rotation angle computing unit 23 of the second acceleration sensor 5a from the probe 1, 5b, 5c detects X
ｓ軸方向，Ｙｓ軸方向，Ｚｓ軸方向の加速度及びジャイロ６ａ，６ｂ，６ｃが検出したＸｓ軸周り，Ｙｓ軸周り，Ｚｓ軸周りの回転角速度を受信すると（ステップＳ s axis, Ys-axis direction, Zs axis direction of the acceleration and gyroscope 6a, 6b, Xs axis around which 6c detects around Ys axis, receives the rotational angular velocity around Zs axis (step S
６）、加速度センサ５ａ，５ｂ，５ｃが検出したＸｓ軸方向，Ｙｓ軸方向，Ｚｓ軸方向の加速度を基に測定箇所指針部３の回転角の初期値θ0，φ0及びΨ0を算出する（ステップＳ７）。 6), the acceleration sensor 5a, 5b, Xs-axis direction 5c detects, Ys-axis direction, the initial value θ0 of the rotation angle of the Zs-axis measuring based on the acceleration in the direction point pointer portion 3 calculates the φ0 and .phi.0 (step S7).
【００４３】回転角変化演算部２４は、３個のジャイロ６ａ，６ｂ，６ｃが検出した回転角速度を積分して測定箇所指針部２の回転角の変化Δθ，Δφ及びΔΨを演算する（ステップＳ８）。 The rotation angle change computing unit 24, three gyros 6a, 6b, 6c change Δθ of the rotation angle of the measuring point pointer portion 2 by integrating the rotational angular velocity detected, calculates the Δφ and [Delta] [Psi] (Step S8 ). 測定中回転角演算部２５は、初期回転角演算部２３が演算した測定箇所指針部３の回転角の初期値θ0，φ0，Ψ0と回転角変化演算部２４が演算した測定箇所指針部３の回転角の変化Δθ，Δφ，Δ Measurements During rotation angle computing unit 25, the initial value θ0 of the rotation angle of the measuring point pointer portion 3 the initial rotation angle computing unit 23 computes, .phi.0, .phi.0 a change in the rotation angle calculation unit 24 is the measurement point pointer portion 3 operation change Δθ of rotation angle, [delta] [phi, delta
Ψを基に、測定中の測定箇所指針部３の回転角θ，φ， Based on [psi, rotation angle of the measuring point pointer portion 3 in the measuring theta, phi,
Ψを求める（ステップＳ９）。 Request [psi (step S9). 座標変換演算部２６は測定中回転角演算部２５が検出した測定中の回転角と加速度センサ５ａ，５ｂ，５ｃが検出した指針座標系の加速度Ａxs，Ａys，Ａzsを基に重力座標系による加速度Ａx Coordinate transformation operation part 26 rotation angle and acceleration sensor 5a in measurement during measurement rotation angle computing unit 25 detects, 5b, 5c acceleration Axs guidelines coordinate system detected, Ays, acceleration due to gravity coordinate system based on Azs Ax
g，Ａyg，Ａzgを算出する（ステップＳ１０）。 g, Ayg, calculates the AZG (step S10). 移動量演算部２７は座標変換演算部２６が変換した測定箇所指針部３の先端部３１の加速度を基に測定箇所指針部３の先端部３１の移動方向及び移動距離を算出する（ステップＳ１１）。 Movement amount calculating unit 27 coordinate transformation calculator 26 calculates the moving direction and moving distance of the distal end portion 31 of the measurement point pointer portion 3 based on the acceleration of the distal end portion 31 of the measurement point pointer portion 3 converted (step S11) . このように、小型の３次元座標装置で被測定物の３次元形状を測定し、ワイアレス通信で測定したデータを送信することにより、装置の可搬性を高め、どこでも容易に被測定物の３次元形状を測定できる。 Thus, by measuring the three-dimensional shape of the object in three-dimensional coordinates system for a small, by transmitting the data measured by the wireless communication, enhance the portability of the device, anywhere 3D readily measured object shape can be measured.
【００４４】また、プローブ１に、図４に示すように、 [0044] Further, the probe 1, as shown in FIG. 4,
座標演算部７を設け、プローブ１内で被測定物の座標を演算し、外部装置２ｂに送信するようにしても良い。 The provided coordinate calculation unit 7 calculates the coordinates of the object to be measured in the probe 1, it may be transmitted to the external device 2b. 座標演算部７はＡ／Ｄ変換器７１ａ〜７１ｆ、ローパスフィルタ７２ａ〜７２ｆ、初期回転角演算部２３、回転角変化演算部２４、測定中回転角演算部２５、座標変換演算部２６及び移動量演算部２７を備える。 The coordinate calculating portion 7 A / D converter 71 a to 71 f, a low-pass filter 72 a to 72 f, the initial rotation angle computing unit 23, rotation angle change calculation unit 24, measured in the rotation angle calculation unit 25, a coordinate transformation operation part 26 and the movement amount comprising an arithmetic unit 27. Ａ／Ｄ変換器７１ａ〜７１ｆは、それぞれ加速度センサ５ａ，５ｂ， A / D converter 71a~71f the acceleration sensor 5a respectively, 5b,
５ｃ及びジャイロ６ａ，６ｂ，６ｃからのアナログ信号をデジタル信号に変換する。 5c and gyro 6a, 6b, the analog signal from 6c into a digital signal. ローパスフィルタ７２ａ〜 A low-pass filter 72a~
７２ｆは測定箇所指針部３と被測定物表面との摩擦力により生じる加速度センサ５ａ，５ｂ，５ｃ及びジャイロ６ａ，６ｂ，６ｃからの信号の高周波成分を遮断する。 72f is isolated from the measurement point pointer portion 3 acceleration sensor 5a caused by the frictional force between the workpiece surface, 5b, 5c and the gyro 6a, 6b, a high-frequency component of the signal from 6c.
【００４５】座標演算部７を設けた場合のプローブ１ｂ [0045] obtained when a coordinate computing section 7 probe 1b
の動作について、図５のフローチャートを参照して説明する。 The operation will be described with reference to the flowchart of FIG.
【００４６】ユーザが測定箇所指針部３の先端部３１を被測定物の測定基準箇所まで移動し、取込指示部４のスイッチを押下して測定開始を指示すると（ステップＳ２ The user moves the distal end portion 31 of the measurement point pointer portion 3 to the measurement reference point of the object to be measured, and instructs start of measurement by pressing the switch taking instruction unit 4 (step S2
１）、プローブ１ｂは測定データ記憶部８に記憶した加速度５ａ，５ｂ，５ｃ及び回転角速度Ｐ，Ｑ，Ｒを消去する（ステップＳ２２）。 1), the probe 1b deletes acceleration 5a stored in the measurement data storage unit 8, 5b, 5c and the rotational angular velocity P, Q, and R (step S22). 初期回転各演算部２３は加速度センサ５ａ，５ｂ，５ｃが検出したＸｓ軸方向，Ｙｓ Initial rotation each operation unit 23 an acceleration sensor 5a, 5b, Xs-axis direction 5c detects, Ys
軸方向，Ｚｓ軸方向の加速度及びジャイロ６ａ，６ｂ， Axial, Zs axis direction of the acceleration and gyroscope 6a, 6b,
６ｃが検出したＸｓ軸周り，Ｙｓ軸周り，Ｚｓ軸周りの回転角速度を基に測定箇所指針部３の回転角の初期値θ 6c is around Xs axis detected around Ys axis, the initial value of the rotation angle of the measuring point pointer portion 3 a rotational angular velocity based around Zs axis θ
0，φ0及びΨ0を算出する（ステップＳ２３）。 0, and calculates the φ0 and .phi.0 (step S23).
【００４７】回転角変化演算部２４は、３個のジャイロ６ａ，６ｂ，６ｃが検出した回転角速度を積分して測定箇所指針部２の回転角の変化Δθ，Δφ及びΔΨを演算する（ステップＳ２４）。 The rotation angle change computing unit 24, three gyros 6a, 6b, 6c change Δθ of the rotation angle of the measuring point pointer portion 2 by integrating the rotational angular velocity detected, calculates the Δφ and [Delta] [Psi] (Step S24 ). 測定中回転角演算部２５は、 Measurements During rotation angle computing unit 25,
初期回転角演算部２３が演算した測定箇所指針部３の回転角の初期値θ0，φ0，Ψ0と回転角変化演算部２４が演算した測定箇所指針部３の回転角の変化Δθ，Δφ， Initial rotation angle computing unit 23 is the initial value θ0 of the rotation angle of the measuring point pointer portion 3 which is calculated, .phi.0, .phi.0 a change Δθ in the rotation angle of the rotation angle variation measurement point pointer portion 3 by the calculation unit 24 is calculated, [Delta] [phi,
ΔΨを基に、測定中の測定箇所指針部３の回転角θ， ΔΨ based on the rotational angle of the measuring point pointer portion 3 in the measuring theta,
φ，Ψを求める（ステップＳ２５）。 phi, it obtains the [psi (step S25). 座標変換演算部２ Coordinate transformation operation part 2
６は測定中回転角演算部２５が検出した測定中の回転角と加速度センサ５ａ，５ｂ，５ｃが検出した指針座標系の加速度Ａxs，Ａys，Ａzsを基に重力座標系による加速度Ａxg，Ａyg，Ａzgを算出する（ステップＳ２６）。 Rotation angle and acceleration sensor 5a in measuring the measurement in the rotation angle calculation unit 25 has detected 6, 5b, 5c acceleration Axs guidelines coordinate system detected, Ays, acceleration due to gravity coordinate system based on Azs Axg, Ayg, calculating the AZG (step S26). 移動量演算部２７は座標変換演算部２６が変換した測定箇所指針部３の先端部３１の加速度を基に測定箇所指針部３の先端部３１の移動方向及び移動距離を算出し（ステップＳ２７）、測定データ記憶部８に記憶する（ステップＳ２８）。 Movement amount calculating section 27 calculates the moving direction and moving distance of the distal end portion 31 of the measurement point pointer portion 3 based on the acceleration of the distal end portion 31 of the measurement point pointer portion 3 the coordinate transformation operation part 26 has been converted (step S27) , and stores the measured data storage section 8 (step S28). プローブ１ｂはユーザがさらに取込指示部４のスイッチを押下して測定データの送信を指示するまで上記動作（ステップＳ２４〜Ｓ２８）を繰り返す（ステップＳ２９）。 Probe 1b repeats the above operation until the instruction to transmit the measurement data by pressing the further switch taking instruction unit 4 user (Step S24 to S28) (step S29). プローブ１ｂの通信部９はユーザが測定データの送信を指示すると、測定データ記憶部８に記憶した測定箇所指針部３の先端部３１の移動方向及び移動距離を外部装置２ｂに送信する（ステップＳ３０）。 The communication unit 9 of the probe 1b is when the user instructs the transmission of the measured data, and transmits the moving direction and moving distance of the distal end portion 31 of the measurement point pointer portion 3 which is stored in the measurement data storage unit 8 to the external device 2b (step S30 ).
これにより、装置構成を簡単にできるとともに、いろいろな装置に測定データを送信することができる。 Thereby, the apparatus can be constructed simply, can transmit the measurement data to various devices.
【００４８】さらに、取込指示部４を設ける代わりに、 [0048] In addition, instead of providing the taking instruction unit 4,
図６に示すように被測定物から測定箇所指針部３に加わる力を検出する力検出部４１を設けても良い。 The force detection unit 41 for detecting the force applied to the measurement position guide unit 3 from the measurement object may be provided as shown in FIG. 力測定部４１は、例えば応力センサを備え、ユーザが測定箇所指針部３の先端部３１を被測定物の測定点に当接すると、 Force measuring unit 41 includes, for example, a stress sensor, when the user contacts the tip 31 of the measurement point pointer portion 3 to the measurement point of the object to be measured,
被測定物から測定箇所指針部３に、例えば図７に示すような応力が加わる。 The measurement point pointer part 3 from the measurement object, for example, stress, as shown in FIG applied. プローブ１は上記応力が予め定めた閾値以上になると、測定箇所指針部３の先端部３１が被測定物に接触していると判断し測定を開始する。 When the probe 1 is equal to or greater than a threshold value which the stress is predetermined, the tip 31 of the measurement point pointer unit 3 to start the measurement is judged to be in contact with the object to be measured. ここで、上記閾値は被測定物の表面弾性率に応じて設定する。 Here, the threshold value is set according to the surface elastic modulus of the object to be measured. 例えば、被測定物が軟らかい場合には閾値を低くし、被測定物が固い場合には閾値を高くする。 For example, when the object to be measured is soft it will lower the threshold, increasing the threshold if the measurement object is hard. これにより、装置構成を簡単にすることができる。 Thus, it is possible to simplify the device configuration.
【００４９】また、座標演算部７ａは、図８に示すように測定箇所指針部３の先端部３１が被測定物に接触したときの衝撃を検出する接触検出部７８を備え、接触検出部７８が測定箇所指針部３が被測定物に接触したことを検出すると、３個の加速度センサ５ａ，５ｂ，５ｃが検出した加速度及び３個のジャイロ６ａ，６ｂ，６ｃが検出した回転角速度を基に測定箇所指針部３の先端部３１ [0049] The coordinate computing unit 7a includes a contact detecting section 78 for the distal end portion 31 of the measurement point pointer portion 3 as shown in FIG. 8 detects an impact upon contact with the workpiece, the contact detection unit 78 When but detects that the measurement point pointer portion 3 in contact with the object to be measured, three acceleration sensors 5a, 5b, 5c acceleration detected and three gyros 6a, 6b, on the basis of the rotational angular velocity 6c detects distal end portion 31 of the measurement point pointer portion 3
の移動方向及び移動距離を演算するようにしても良い。 Moving direction and moving distance of may be computed for.
測定箇所指針部３の先端部３１が被測定物に接触すると、加速度センサ５ａ，５ｂ，５ｃが検出した加速度は、例えば図９に示すように変化するので、接触検出部７８はこの変化を検出することにより、測定箇所指針部３が被測定物に接触したことを検出できる。 When the distal end portion 31 of the measurement point pointer portion 3 comes into contact with the object to be measured, the acceleration sensors 5a, 5b, acceleration 5c detects, for example because it changes as shown in FIG. 9, the contact detection unit 78 detects this change by, it can detect that the measurement point pointer portion 3 in contact with the object to be measured.
【００５０】また、測定箇所指針部３の先端部３１が被測定物に接触しているか否かを、例えばハイパスフィルタを用いて検出しても良い。 [0050] The tip portion 31 of the measurement point pointer portion 3 whether or not the contact with the object to be measured, for example, may be detected by using a high-pass filter. 加速度センサ５ａ，５ｂ， Acceleration sensor 5a, 5b,
５ｃ等からの信号の高周波数成分は測定箇所指針部３の先端部３１と被測定物表面との摩擦によるものなので、 Since the high-frequency component of the signal from 5c etc. The distal end portion 31 of the measurement point pointer portion 3 such due to friction with the workpiece surface,
３個の加速度センサ５ａ，５ｂ，５ｃ及び３個のジャイロ６ａ，６ｂ，６ｃからの信号のいずれからか上記高周波成分を検出している間を測定中と判断する。 Three acceleration sensors 5a, 5b, 5c and three gyros 6a, 6b, determines the in measurement while detecting the one from either the high frequency component of the signal from 6c.
【００５１】さらに、図１０に示すように測定箇所指針部３ａの先端部３１を鋭角にしてユーザが意図する測定点と実際の測定点にずれが生じることを防止しても良い。 [0051] Further, it may be prevented that the deviation in an actual measurement point and the measurement point which the user intends to tip 31 of the measurement point pointer portion 3a and at an acute angle as shown in FIG. 10.
【００５２】さらに、図１１及び図１２に示すように測定箇所指針部３ｂは先端部３１にレーザ光源部３２とレーザ光源部３２からのレーザ光を絞り被測定物に向けて平行光を照射するレンズユニット３３を備えるようにしても良い。 [0052] Further, irradiating the parallel light toward the object to be measured throttle the laser light from the laser light source unit 32 and the laser light source unit 32 to the measuring position pointer portion 3b distal end portion 31 as shown in FIGS. 11 and 12 it may be provided with a lens unit 33. ユーザは被測定物の測定基準位置にレーザ光が当たるようにして測定箇所指針部３ｂの先端部３１を移動することにより、ユーザが意図する測定点と実際の測定点にずれが生じることを防止できる。 User prevents by moving the tip 31 of the measurement point pointer portion 3b as the laser beam impinges on the measurement reference position of the object to be measured, the deviation of the actual measurement point and the measurement point intended by the user occurs it can.
【００５３】また、プローブ１は、図１３に示すようにレーザ光源部３２とレンズユニット３３と光角度測定部３４と位置算出部３５を備えるようにしても良い。 [0053] The probe 1 may be provided with a laser light source unit 32 and the lens unit 33 and the optical angle measuring unit 34 and the position calculation unit 35 as shown in FIG. 13. 光源部３２は測定箇所指針部３の先端部で、例えばレーザ光を発光し、レンズユニット３３は光源部３２からのレーザ光を絞り被測定物の被測定位置にスポット光を照射する。 Light source 32 at the distal end of the measurement point pointer portion 3, for example, emits a laser beam, the lens unit 33 irradiates the spot light to be measured the position of the aperture measured object laser beam from the light source 32. 光角度測定部３４は被測定物に照射したレーザ光の重力座標系（Ｘｇ，Ｙｇ，Ｚｇ）のＸｓ軸およびＹｓ軸に対する角度θを測定する。 Light angle measuring unit 34 measures an angle θ relative to Xs axis and Ys axes of gravity coordinate system of the laser beam irradiated to the measurement object (Xg, Yg, Zg). 位置算出部３５は予め入力した測定箇所指針部と被測定物の基準位置との距離Ｄと光角度測定部３４が測定したレーザ光の角度θを基に被測定物の基準位置から被測定箇所までの距離を算出する。 Measured points from the reference position of the distance D and the light angle measuring unit 34 measured object based on the angle θ of the laser beam measured with a reference position of the position calculation unit 35 measuring points pointer portion and the object to be measured previously input to calculate the distance to the.
【００５４】さらに、図１４に示すように測定箇所指針部３は光源部３２とレンズユニット３３と光読取部３６ [0054] Further, measurement point pointer portion 3 as shown in FIG. 14 is a light source unit 32 and the lens unit 33 and the optical reader 36
と距離測定部３７を備えるようにしても良い。 It may be provided with a distance measuring unit 37 and. 光源部３ The light source unit 3
２は測定箇所指針部３の先端部３１で、例えばレーザ光を発生する。 2 is a front end portion 31 of the measurement point pointer portion 3, for example, it generates a laser beam. レンズユニット３３は光源部３２からのレーザ光を絞り遠距離にある被測定物５０にスポット光を照射する。 The lens unit 33 irradiates the spot light to the object to be measured 50 in a long distance squeezing the laser light from the light source unit 32. 光読取部３４は、例えばイメージセンサ等から成り、被測定物５０からの反射光を入射して電気信号に変換する。 Optical readout unit 34, for example, a image sensor or the like, and converts it into an electric signal enters the light reflected from the measurement object 50. 距離測定部３５は光読取部３４が変換した電気信号を基に、例えば三角法を用いて被測定物５０までの距離を測定する。 The distance measuring unit 35 measures on the basis of the electrical signal the optical reading unit 34 is converted, for example, the distance to the object to be measured 50 using trigonometry. 座標演算部７ｂは距離測定部３５ Coordinate calculation unit 7b distance measuring unit 35
が測定した被測定物５０までの距離、３個の加速度センサ５ａ，５ｂ，５ｃが検出した加速度及び３個のジャイロ６ａ，６ｂ，６ｃが検出した回転角速度を基に重力加速度方向に伸びる軸をＺ軸にした重力座標系における測定箇所指針部３ｄの先端部３１の移動方向及び移動距離を演算する。 There the distance to the object to be measured 50 as measured, three acceleration sensors 5a, 5b, 5c acceleration detected and three gyros 6a, 6b, 6c the axis extending in the direction of gravitational acceleration based on the rotational angular velocity detected by It calculates the movement direction and the movement distance of the distal end portion 31 of the measurement point pointer portion 3d of gravity coordinate system in Z-axis. このように、非接触で被測定物の形状を測定できるので、例えば大きすぎて直接接触して測定することのできなかった物の形状を測定することができる。 Thus, it is possible to measure the shape of the workpiece without contact, it is possible to measure the shape of that could not be those of measuring in direct contact with e.g. too large.
ここで、距離測定部３５は三角法を用いて被測定物５０ Here, the distance measuring unit 35 is the object to be measured using trigonometry 50
までの距離を測定する代わりに、干渉縞を用いて被測定物５０までの距離を測定するようにしても良い。 Instead of measuring the distance to, by using the interference fringes may be for measuring a distance to the object to be measured 50. また、 Also,
レーザ光を用いる代わりに超音波等を用いても良い。 Instead of using a laser beam may be used or ultrasonic waves.
【発明の効果】この発明は以上説明したように、プローブは加速度センサが検出した加速度及びジャイロが検出した角速度の取り込みを指令すると、測定データを演算装置に送り、演算装置はプローブから受けた加速度及び角速度を基にプローブの３次元の移動方向及び移動距離を演算し被測定物の測定開始箇所を基準とした３次元座標を算出するので、装置を小型化することができると共にデータ入力するプローブを演算装置と切り離したので、測定操作が容易である。 Effects of the Invention The present invention as described above, the probe is commanded angular velocity of uptake of acceleration and gyroscope acceleration sensor detects detects sends measurement data to the arithmetic unit, an acceleration calculation unit which receives from the probe and so to calculate the three-dimensional coordinates relative to the measurement starting point of the three-dimensional movement direction and the movement distance calculated DUT probe based on the angular velocity, probe data input it is possible to miniaturize the apparatus since the disconnecting an arithmetic unit, measuring operation is facilitated.
【００５６】また、プローブは加速度センサが検出した加速度及びジャイロが検出した角速度を基にプローブの３次元の移動方向及び移動距離を演算し被測定物の測定開始箇所を基準とした３次元座標を測定し、測定データを外部装置に送信するので、装置を小型化することができると共に汎用性を高めることができる。 [0056] Further, the three-dimensional coordinate probe the acceleration sensor relative to the measurement starting point of the three-dimensional movement direction and the movement distance calculated DUT probe based on an angular velocity detected acceleration and a gyro detected measured, and transmits the measured data to an external device, it is possible to enhance the versatility it is possible to miniaturize the apparatus.
【００５７】さらに、プローブはワイアレス通信で測定データを送信するので、プローブの可搬性を良くすることができる。 [0057] Further, the probe and transmits the measured data in a wireless communication, it is possible to improve the portability of the probe.
【００５８】さらに、被測定物から測定箇所指針部に加わる力を検出すると測定結果を送信するので、操作を簡単にすることができる。 [0058] In addition, since sending the measurement results and to detect the force applied to the measurement position guide unit from the measurement object, it is possible to simplify the operation.
【００５９】また、測定箇所指針部が被測定物に接触したときの衝撃を検出すると、測定結果を送信するので、 [0059] Further, since the measurement point pointer unit detects an impact upon contact with the workpiece, and transmits the measurement result,
装置構成をさらに小型化することができる。 It can be further miniaturized apparatus configuration.
【００６０】さらに、測定箇所指針部は被測定物の目標点にレーザ光による目印を付けるので、目標点と測定箇所指針部の先端部の当接点とのずれの発生を少なくすることができる。 [0060] Further, since the measurement point pointer portion of marking by laser light to the target point of the object to be measured, it is possible to reduce the occurrence of misalignment between the target point and the contact point of the front end portion of the measurement point pointer portion.
【００６１】また、被測定物の被測定位置に可視スポット光を照射し、被測定物に照射したスポット光の重力座標系のＸｓ軸およびＹｓ軸に対する角度を測定し、予め入力した被測定物の基準位置までの距離と測定したスポット光の角度を基に被測定物の基準位置からの被測定箇所の位置を算出するので、非接触で被測定物の２次元座標を検出することができる。 [0061] Furthermore, irradiated with visible spot light to the measurement position of the measured object to measure the angle to the Xs axis and Ys axes of gravity coordinates of the spot light irradiated on the object to be measured, the measured object previously input because of calculating the position of the measurement point of the distance and the angle of the measured spot light from a reference position of the object to be measured based on the to the reference position, it is possible to detect the two-dimensional coordinates of the object in a non-contact .
【００６２】また、被測定物に可視スポット光を照射し、被測定物からの反射光基に被測定物までの距離を測定し、測定した被測定物までの距離、加速度センサが検出した加速度及びジャイロが検出した角速度を基に被測定物の測定箇所の座標を演算するので、目標点と測定箇所指針部の先端部の当接点とのずれの発生を少なくすると共に、非接触で被測定物を測定することができる。 [0062] Furthermore, irradiated with visible spot light to the measurement object, by measuring the distance to the object to be measured in the reflected light based on from the object to be measured, the distance to the object to be measured is measured, acceleration acceleration sensor detects and because gyro calculates the coordinates of the measuring points of the object to be measured based on the detected angular velocity, as well as reduce the occurrence of misalignment between the target point and the contact point of the front end portion of the measuring point pointer portion, to be measured in a non-contact it is possible to measure things.
【図２】演算装置の構成図である。 2 is a block diagram of a computing device.
【図３】３次元座標測定装置の動作を示すフローチャートである。 3 is a flowchart showing the operation of the three-dimensional coordinate measuring device.
【図４】座標演算部の構成図である。 4 is a configuration diagram of a coordinate calculation unit.
【図５】座標演算部を有するプローブの動作を示すフローチャートである。 5 is a flowchart showing the operation of a probe having a coordinate calculation unit.
【図６】力検出部を設けた３次元座標入力装置の構成図である。 6 is a block diagram of a force detector three-dimensional coordinate input device provided with a.
【図７】力検出部に加わる応力を示す波形図である。 7 is a waveform diagram showing the stress applied to the force detector.
【図８】接触検出部を設けた３次元座標入力装置の構成図である。 8 is a configuration diagram of a three-dimensional coordinate input device provided with a contact detection unit.
【図９】加速度の変化を示す波形図である。 9 is a waveform diagram showing a change in acceleration.
【図１０】先端部の側面図である。 10 is a side view of the distal end portion.
【図１１】レーザ光源を有する３次元座標入力装置の構成図である。 11 is a configuration diagram of a three-dimensional coordinate input device having a laser light source.
【図１２】他のレーザ光源を有する３次元座標入力装置の構成図である。 12 is a configuration diagram of a three-dimensional coordinate input apparatus having other laser sources.
【図１３】遠距離被測定物の２次元座標を測定する座標入力装置の構成図である。 13 is a configuration diagram of a coordinate input apparatus for measuring the two-dimensional coordinates of the long distance object to be measured.
【図１４】非接触で測定する３次元座標入力装置の構成図である。 14 is a configuration diagram of a three-dimensional coordinate input device which measures without contact.
１ プローブ ２ 演算装置 ２３ 初期回転角演算部 ２４ 回転角変化演算部 ２５ 測定中回転角演算部 ２６ 座標変換演算部 ２７ 移動量演算部 ３ 測定箇所指針部 ３２ レーザ光源部 ３３ レンズユニット ３４ レーザ光角度測定部 ３５ 位置算出部３５ ３６ 光読取部 ３７ 距離測定部 ４ 取込指示部 ４１ 力測定部 ５ 加速度センサ ６ ジャイロ ７ 座標演算部 ７８ 接触検出部 ８ 測定データ記憶部 ９ 通信部 1 Probe 2 arithmetic unit 23 the initial rotation angle computing unit 24 the change in the rotation angle calculating section 25 measured in the rotation angle computing unit 26 coordinate transformation operation part 27 movement amount calculating section 3 measuring points pointer portion 32 a laser light source unit 33 lens unit 34 laser light angle measuring unit 35 position calculator 35 36 optical reader 37 distance measuring unit 4 taking instruction unit 41 power measuring part 5 acceleration sensor 6 gyroscope 7 coordinate calculation unit 78 contacts the detection portion 8 measured data storage unit 9 communicating unit
【請求項１】 プローブと演算装置を有し、プローブは測定箇所指針部と３個の加速度センサと３個のジャイロと取込指示部と通信部を備え、測定箇所指針部は先端部で被測定物の測定箇所を指し示し、３個の加速度センサはそれぞれ測定箇所指針部の軸をＺｓ軸とした指針座標系（Ｘｓ，Ｙｓ，Ｚｓ）のＸｓ軸方向，Ｙｓ軸方向及びＺｓ軸方向の加速度を検出し、３個のジャイロはそれぞれＸｓ軸周り，Ｙｓ軸周り及びＺｓ軸周りの角速度を検出し、取込指示部は３個の加速度センサが検出した加速度及び３個のジャイロが検出した角速度の取り込みを指令し、通信部は取込指示部が被測定物の測定データの取り込みを指令すると、測定データを演算装置に送り、演算装置はプローブから受けた加速度及び角速度を基に重力加速度方向に伸び It has 1. A probe as computing device, the probe is provided with a communication unit and the measurement point pointer portion and three acceleration sensors and three gyros and taking instruction unit, the measurement point pointer portion at the distal end point to measurement point of the measurement object, three acceleration sensors guidance coordinate system with each Zs axis the axis of the measuring point pointer portion (Xs, Ys, Zs) Xs axis direction, Ys-axis direction and Zs-axis direction of the acceleration of detects, three gyros around Xs axis, respectively, detects the angular velocity about the Ys axis and Zs axes, taking instruction unit three acceleration acceleration sensor detects and three gyros detects angular velocity incorporation of directing of the communication unit is taking instruction unit instructs the incorporation of measurement data of the object to be measured, feeding the measurement data to the arithmetic unit, arithmetic unit gravitational acceleration direction based on the acceleration and angular velocity received from the probe growth in る軸をＺｇ軸にした重力座標系（Ｘ That axis gravity coordinate system to the Zg axis (X
ｇ，Ｙｇ，Ｚｇ）におけるプローブの３次元の移動方向及び移動距離を演算し被測定物の測定開始箇所を基準とした重力座標系（Ｘｇ，Ｙｇ，Ｚｇ）における３次元座標を算出することを特徴とする３次元座標測定装置。 g, Yg, gravity coordinate system based on the measurement start position of the three-dimensional movement direction and the movement distance calculated DUT probe in Zg) (Xg, Yg, to calculate three-dimensional coordinates in Zg) 3-dimensional coordinate measuring device according to claim.
【請求項２】 測定箇所指針部と３個の加速度センサと３個のジャイロと取込指示部と座標演算部と通信部を備え、測定箇所指針部は先端部で被測定物の測定箇所を指し示し、３個の加速度センサはそれぞれ測定箇所指針部の軸をＺｓ軸とした指針座標系（Ｘｓ，Ｙｓ，Ｚｓ）のＸｓ軸方向，Ｙｓ軸方向及びＺｓ軸方向の加速度を検出し、３個のジャイロはそれぞれＸｓ軸周り，Ｙｓ軸周り及びＺｓ軸周りの角速度を検出し、座標演算部は３個の加速度センサが検出した加速度及び３個のジャイロが検出した角速度を基に重力加速度方向に伸びる軸をＺｇ軸にした重力座標系（Ｘｇ，Ｙｇ，Ｚｇ）におけるプローブの３次元の移動方向及び移動距離を演算して被測定物の測定開始箇所を基準とした重力座標系（Ｘｇ，Ｙｇ， Wherein a communication unit with the measuring point pointer portion and three acceleration sensors and three gyros and taking instruction section and the coordinate calculating unit, the measurement point of the measurement point pointer part is the measurement object at the tip points, detects the Xs axis, the acceleration of the Ys axis and Zs-axis of the three pointer coordinate system acceleration sensor that each axial measurement point pointer portion and Zs axes (Xs, Ys, Zs), 3 gyro around Xs axis, respectively, detects the angular velocity about the Ys axis and Zs axes, the coordinate calculation unit in the direction of gravitational acceleration based on the angular velocity detected by three acceleration and three gyro acceleration sensor detects extending axis gravity coordinate system in Zg axis (Xg, Yg, Zg) gravity coordinate system by calculating a moving direction and a moving distance of the three-dimensional probe relative to the measurement start position of the object to be measured in (Xg, Yg ,
Ｚｇ）における３次元座標を算出し、取込指示部は被測定物の測定箇所の３次元座標の取り込みを指令し、通信部は取込指示部が測定データの取り込みを指令すると測定データを外部装置に送ることを特徴とする３次元座標測定装置。 Calculating three-dimensional coordinates in zg), taking instruction unit instructs the incorporation of 3-dimensional coordinates of the measuring points of the object to be measured, the external communication unit and the taking instruction unit instructs the incorporation of measurement data measured data 3-dimensional coordinate measuring apparatus characterized by sending the device.
【請求項３】 通信部は取込指示部が測定データの取り込みを指令すると、測定データをワイアレス通信で送る請求項１又は２記載の３次元座標測定装置。 Wherein the communication unit is taking instruction unit instructs the incorporation of measurement data, three-dimensional coordinates measuring apparatus according to claim 1 or 2 wherein sending measurement data in a wireless communication.
【請求項４】 取込指示部は被測定物から測定箇所指針部に加わる力を検出する力検出部を備え、力検出部が被測定物から測定箇所指針部に加わる力を検出すると測定データの取り込みを指令する請求項１又は２記載の３次元座標測定装置。 Wherein taking instruction unit includes a force detecting section for detecting a force applied to the measurement point pointer portion from the measurement object, the measurement data and the force detecting section for detecting a force applied to the measurement point pointer portion from the measurement object 3-dimensional coordinate measuring device according to claim 1, wherein directing the uptake.
【請求項５】 取込指示部は測定箇所指針部が被測定物に接触したときの衝撃を検出する接触検出部を備え、接触検出部が測定箇所指針部が被測定物に接触したときの衝撃を検出すると測定データの取り込みを指令する請求項１又は２記載の３次元座標測定装置。 5. A taking instruction unit location pointer part is measured with a contact detection unit for detecting an impact when in contact with the workpiece, the contact detection unit is a measurement point pointer portion when in contact with the workpiece 3-dimensional coordinate measuring device according to claim 1, wherein directing the the measurement data acquisition for detecting an impact.
【請求項６】 測定箇所指針部は先端部に可視光を発光する光源部と光源部からの可視光を絞り被測定物にスポット光を照射するレンズユニットを備える請求項１又は２記載の３次元座標測定装置。 6. The measurement point pointer unit 3 according to claim 1 or 2, including a lens unit which irradiates the spot light into visible light aperture measured object from the light source and the light source unit that emits visible light to the tip dimensional coordinate measuring device.
【請求項７】 測定箇所指針部は光源部とレンズユニットと光角度測定部と位置算出部を備え、光源部は測定箇所指針部の先端部で可視光を発光し、レンズユニットは光源部からの可視光を絞り被測定物の被測定位置にスポット光を照射し、光角度測定部は被測定物に照射したスポット光の重力座標系（Ｘｇ，Ｙｇ，Ｚｇ）におけるＸ 7. A measurement point pointer portion includes a position calculating unit and the light source unit and the lens unit and the optical angle measuring unit, the light source unit emits visible light at the tip of the measuring point pointer unit, the lens unit from the light source X aperture visible light irradiating the spot light to the measured position of the object to be measured, the light angle measuring unit gravity coordinates of the spot light irradiated on the object to be measured (Xg, Yg, Zg) of
ｓ軸およびＹｓ軸に対する照射角度を測定し、位置算出部は予め入力した測定箇所指針部と被測定物の基準位置との距離と光角度測定部が測定した可視光の角度を基に被測定物の基準位置からの被測定箇所の距離を算出する請求項１又は２記載の３次元座標測定装置。 The irradiation angle was measured with respect to the s-axis and Ys axes, the position calculating section to be measured based on the distance and angle of the visible light optical angle measuring section is measured between the reference position of the measurement point pointer portion and the object to be measured previously input 3-dimensional coordinate measuring device according to claim 1, wherein calculating the distance of the measured point from a reference position of the object.
【請求項８】 測定箇所指針部は光源部とレンズユニットと光読取部と距離測定部を備え、光源部は測定箇所指針部の先端部で可視光を発光し、レンズユニットは光源部からの可視光を絞り被測定物にスポット光を照射し、 8. A measurement point pointer portion includes a light source unit and the lens unit and the optical reading unit and the distance measuring unit, the light source unit emits visible light at the tip of the measuring point pointer unit, the lens unit from the light source the visible light aperture DUT irradiated spot light,
ｇ，Ｚｇ）における３次元座標を算出する請求項１又は２記載の３次元座標測定装置。 g, three-dimensional coordinates measuring apparatus according to claim 1 or 2, wherein calculating the 3-dimensional coordinates in Zg).
JP8087129A 1996-03-18 1996-03-18 Three-dimensional coordinate measuring apparatus Pending JPH09257461A (en)
JP8087129A JPH09257461A (en) 1996-03-18 1996-03-18 Three-dimensional coordinate measuring apparatus
JPH09257461A true JPH09257461A (en) 1997-10-03
ID=13906362
JP8087129A Pending JPH09257461A (en) 1996-03-18 1996-03-18 Three-dimensional coordinate measuring apparatus
JP (1) JPH09257461A (en)
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