Source: https://patents.google.com/patent/JP6394524B2/en
Timestamp: 2020-08-04 12:46:02
Document Index: 70888135

Matched Legal Cases: ['art 52', 'art 52', 'art 32', 'art 32', 'art 32', 'art 35', 'art 34', 'art 30', 'art 38', 'art 34', 'art 38', 'art 38', 'art 38', 'art 34', 'art 38', 'art 34', 'art 40', 'art 30', 'art 30', 'art 40', 'art 52', 'art 52', 'art 52', 'art 52', 'art 62', 'art 62', 'art 62', 'art 62', 'art 30', 'art 30', 'art 62', 'art 62', 'art 52', 'art 52', 'art 62', 'art 52', 'art 52', 'art 52', 'art 52', 'art 52', 'art 62', 'art 52', 'art 52', 'art 52', 'art 52', 'art 30', 'art 52', 'art 52', 'art 52', 'art 30', 'art 40', 'art 40', 'art 52', 'art 30', 'art 30', 'art 52', 'art 40', 'art 52', 'art 52', 'art 172', 'art 252', 'art 252', 'art 253', 'art 254', 'art 252', 'art 253', 'art 254', 'art 252', 'art 452', 'art 462', 'art 32', 'art 38', 'art 42', 'art 62', 'art 68', 'art 176', 'art 252']

JP6394524B2 - Electromagnetic shield member and wiring device with electromagnetic shield member - Google Patents
Electromagnetic shield member and wiring device with electromagnetic shield member Download PDF
JP6394524B2
JP6394524B2 JP2015138693A JP2015138693A JP6394524B2 JP 6394524 B2 JP6394524 B2 JP 6394524B2 JP 2015138693 A JP2015138693 A JP 2015138693A JP 2015138693 A JP2015138693 A JP 2015138693A JP 6394524 B2 JP6394524 B2 JP 6394524B2
JP2015138693A
JP2017022264A (en
JP2017022264A5 (en
俊哉 廣岡
知聖 金
2015-07-10 Application filed by 株式会社オートネットワーク技術研究所, 住友電装株式会社, 住友電気工業株式会社 filed Critical 株式会社オートネットワーク技術研究所
2015-07-10 Priority to JP2015138693A priority Critical patent/JP6394524B2/en
2017-01-26 Publication of JP2017022264A publication Critical patent/JP2017022264A/en
2017-11-24 Publication of JP2017022264A5 publication Critical patent/JP2017022264A5/ja
2018-09-26 Publication of JP6394524B2 publication Critical patent/JP6394524B2/en
The present invention relates to a technique for electromagnetically shielding a wiring device that connects electrical devices in a vehicle or the like.
Patent Document 1 discloses an electromagnetic wave including a metal cloth and two sets of brackets that hold each of the first outer edge part and the second outer edge part opposite to the first outer edge part of the metal cloth in an annular shape. A shield is disclosed. The electric wire is disposed through a metal cloth held in an annular shape. Further, the bracket is fixed to the housing of the electric device to which the electric wire is connected.
JP 2014-56851 A
However, the electromagnetic shielding tool disclosed in Patent Document 1 mainly shields an electric wire. For this reason, in order to electromagnetically shield the terminal at the end of the electric wire, another electromagnetic shielding component is required. As a result, there is a problem that the number of parts increases.
Accordingly, an object of the present invention is to make it possible to electromagnetically shield the wiring member and the connecting portion at the end thereof with as few parts as possible.
In order to solve the above-described problem, a first aspect is an electromagnetic shield part for wiring that electromagnetically shields a wiring member and an electromagnetic shield for connecting part that is formed of a metal plate and electromagnetically shields a connection part at an end of the wiring member. A connection body electromagnetic shield cover, the cover body portion covering the connection portion of the end portion of the wiring member, and extending and bending from the cover body portion to be bent, And a fixing piece for sandwiching and fixing the edge portion on one end side of the electromagnetic shielding portion for wiring. Further, the cover main body portion has three sides other than the main plate portion covering one of the end portions of the wiring member and the portion of the end portion of the wiring member on the one surface side of the main plate portion other than the portion where the wiring member extends. A first wall along the edge of the main plate portion where the peripheral wall portion is not formed, and both end portions of the first line. From the main plate portion is cut by a pair of second lines facing the edge portion where the peripheral wall portion is not formed, and this portion is a bending line connecting between the tip portions of the pair of second lines, The wiring electromagnetic shield part is formed by being bent so as to be folded back to the extending side.
A 2nd aspect is an electromagnetic shielding member which concerns on a 1st aspect, Comprising: The said electromagnetic shielding part for wiring is a thing by which the metal wire was knitted.
A 3rd aspect is an electromagnetic shielding member which concerns on a 1st aspect, Comprising: The said electromagnetic shielding part for wiring contains the part by which the metal plate was folded in the shape of a bellows.
A 4th aspect is provided in the wiring member, the 1st connection part provided in the one end part of the said wiring member, and is connected to the 1st electric equipment, and the other end part of the said wiring member, and is attached to the 2nd electric equipment. A wiring device including a second connection portion to be connected, and an electromagnetic shield member according to any one of the first to third aspects, wherein the connection portion electromagnetic shield cover electromagnetically shields the first connection portion. Prepare.
A 5th aspect is a wiring apparatus with an electromagnetic shielding member which concerns on a 4th aspect, Comprising: The said 1st connection part accommodates the 1st terminal provided in the one end part of the said wiring member, and the said 1st terminal A first cap that forms a housing recess and a first cap that closes the housing recess, wherein the electromagnetic shield cover for the connection portion holds the first cap against the housing of the first electrical device. It is attached in the attached state.
A sixth aspect is a wiring device with an electromagnetic shield member according to the fourth or fifth aspect, including a plurality of the wiring members arranged in a parallel state, wherein the electromagnetic shielding portion for wiring includes the plurality of wiring members The wiring member is arranged on one main surface side in the parallel configuration of the wiring members, and the first connection portion is connected to the first electric device on the other main surface side in the parallel configuration of the plurality of wiring members, and for the connection portion The electromagnetic shield cover electromagnetically shields the first connection portion from one main surface side in the parallel form of the plurality of wiring members, and the second connection portion is a second terminal provided at the other end portion of the wiring member. And a second cap that forms a housing recess for housing the second terminal, and a second cap that closes the housing recess of the second housing, on one main surface side in the arrangement form of the plurality of wiring members Connected to the second electrical device An electromagnetic shield member fixing portion fixed to an edge portion on the other end side of the electromagnetic shielding portion for wiring, and bypassing a side of the second connection portion from the electromagnetic shield member fixing portion to the second cap. And a cap pressing portion that extends toward and presses down the second cap, and includes a bracket that is fixed to the casing of the second electric device.
A seventh aspect includes an electromagnetic shield part for wiring that electromagnetically shields the wiring member, and an electromagnetic shield cover for connecting part that is formed of a metal plate and electromagnetically shields a connection part at an end of the wiring member, The electromagnetic shielding cover for connection part is covered with a cover main body part that covers the connection part at the end of the wiring member, and is bent and deformed so as to extend from the cover main body part and to be folded back. The wiring electromagnetic shield portion includes a portion in which a metal plate is folded in a bellows shape.
In an eighth aspect, the wiring member, the first connection portion provided at one end portion of the wiring member and connected to the first electric device, and the other end portion of the wiring member are provided to the second electric device. A wiring device including a second connecting portion to be connected; an electromagnetic shielding portion for wiring that electromagnetically shields the wiring member; and a connecting portion that is formed of a metal plate and electromagnetically shields the first connecting portion of the wiring member. An electromagnetic shield cover, and the connection portion electromagnetic shield cover is bent and deformed so as to extend from the cover main body portion and to be folded back, and to cover the first connection portion of the wiring member. And an electromagnetic shield member that electromagnetically shields the first connection portion, including a fixing piece that sandwiches and fixes one end side edge portion of the electromagnetic shield portion for wiring, and the first connection portion includes: At one end of the wiring member A first cap that forms a housing recess for housing the first terminal, and a first cap that closes the housing recess, and the electromagnetic shield cover for the connecting portion includes the first electric shield. The first cap is attached to the housing of the device while being pressed.
The ninth aspect includes a wiring member, a first connection portion provided at one end portion of the wiring member and connected to the first electric device, and provided at the other end portion of the wiring member, to the second electric device. A wiring device including a second connecting portion to be connected; an electromagnetic shielding portion for wiring that electromagnetically shields the wiring member; and a connecting portion that is formed of a metal plate and electromagnetically shields the first connecting portion of the wiring member. An electromagnetic shield cover, and the connection portion electromagnetic shield cover is bent and deformed so as to extend from the cover main body portion and to be folded back, and to cover the first connection portion of the wiring member. And a plurality of electromagnetic shielding members arranged in parallel, each of which includes an electromagnetic shielding member that electromagnetically shields the first connection portion. The wiring member The wiring electromagnetic shield portion is disposed on one main surface side in the parallel configuration of the plurality of wiring members, and the first connection portion is disposed on the other main surface side in the parallel configuration of the plurality of wiring members. Connected to the first electrical equipment, the electromagnetic shield cover for connecting portion electromagnetically shields the first connecting portion from one main surface side in the parallel form of the plurality of wiring members, and the second connecting portion is connected to the wiring A plurality of second terminals provided on the other end of the member; a second housing that forms a receiving recess for receiving the second terminal; and a second cap that closes the receiving recess of the second housing. An electromagnetic shield member fixing portion that is connected to the second electric device on one main surface side in the arrangement form of the wiring members and is fixed to an edge portion on the other end side of the electromagnetic shielding portion for wiring, and the electromagnetic shield member fixing From the front A cap pressing portion that bypasses the side of the second connection portion and extends toward the second cap and presses the second cap, and is a bracket that is fixed to the casing of the second electric device; .
According to the 1st-9th aspect, the edge part of the electromagnetic shielding part for wiring is pinched and fixed by the fixing piece. For this reason, the edge part of the electromagnetic shielding part for wiring can be fixed by the said electromagnetic shielding cover for connection parts. Thereby, the wiring member and the connection part of the end part can be electromagnetically shielded with as few parts as possible.
According to the first aspect, it is possible to electromagnetically shield the wiring member by extending the wiring electromagnetic shield portion sandwiched and fixed between the fixing piece and the cover main body portion without folding back. For this reason, the electromagnetic shielding part for wiring is hardly damaged.
According to the 2nd aspect, since the electromagnetic shielding part for wiring is a thing in which the metal wire was knitted, it is easy to bend.
According to the 3rd or 7th aspect, since the electromagnetic shielding part for wiring is a member by which the metal plate was folded in the shape of a bellows, it is easy to bend.
According to the fourth, eighth, and ninth aspects, on the first connecting portion side, the edge portion of the wiring electromagnetic shield portion is sandwiched and fixed between the cover main body portion and the fixing piece of the connecting portion shield cover. . For this reason, the edge part of the electromagnetic shield part for wiring can be fixed by the said shield cover for connection parts. Thereby, the wiring member and the connection part of the end part can be electromagnetically shielded with as few parts as possible.
According to the fifth and eighth aspects, the shield cover can suppress the removal of the first cap that closes the housing recess of the first connection portion.
The electromagnetic shielding part for wiring is arranged on one main surface side in the parallel form of the plurality of wiring members, and the first connection part is connected to the first electric device on the other main surface side in the parallel form of the plurality of wiring members. Assuming a configuration in which the second connection portion is connected to the second electrical device on one main surface side in the arrangement form of the plurality of wiring members, the electromagnetic shielding cover for the connection portion is one in the parallel form of the plurality of wiring members. Assuming a configuration in which the first connection portion is electromagnetically shielded from the main surface side, depending on the configuration similar to the electromagnetic shield cover for connection portion, the second cap of the second connection portion may be pressed on the second connection portion side. difficult. Therefore, as in the sixth and ninth aspects, the electromagnetic shield member fixing portion fixed to the other end side edge portion, and bypassing the side of the second connection portion from the electromagnetic shield member fixing portion to the second cap A cap pressing portion that extends toward the second cap and presses the second cap, and by using a bracket that is fixed to the housing of the second electric device, the second cap can be pressed with a smaller number of parts. it can.
It is explanatory drawing which shows the state by which the wiring apparatus with an electromagnetic shielding member which concerns on embodiment was used as wiring between two electric equipments. It is a disassembled perspective view of the one end part of the wiring apparatus with an electromagnetic shielding member. It is sectional drawing of the one end part of the wiring apparatus with an electromagnetic shielding member. It is a perspective view which shows the electromagnetic shielding cover for connection parts. It is explanatory drawing which shows the process of pinching and fixing the electromagnetic shield part for wiring to the electromagnetic shield cover for connection parts. It is explanatory drawing which shows the state by which the wiring apparatus with an electromagnetic shielding member which concerns on a 1st modification was used as wiring between two electric equipments. It is a perspective view which shows the state which the bracket which concerns on a modification same as the above presses a 2nd connection part. It is a perspective view which shows a bracket same as the above. It is a perspective view which shows the electromagnetic shielding member which concerns on a 2nd modification. It is a perspective view which shows the electromagnetic shielding part for wiring which concerns on the modification same as the above. It is a perspective view which shows the electromagnetic shielding part for wiring which concerns on a 3rd modification. It is sectional drawing which shows the cover which concerns on a 4th modification.
{Embodiment}
Hereinafter, the electromagnetic shielding member and the wiring device with an electromagnetic shielding member according to the embodiment will be described. FIG. 1 is an explanatory view showing a state in which the wiring device 20 with an electromagnetic shield member is used as a wiring between two electric devices 10 and 14 (first electric device 10 and second electric device 14).
<About the overall configuration>
The wiring device 20 with an electromagnetic shield member is used as a wiring for electrically connecting the two electric devices 10 and 14 to each other in a vehicle or the like. The combination of the two electric devices 10 and 14 is a motor for driving in an electric vehicle and an inverter for driving the motor, or power is supplied to the inverter for driving the motor and the inverter. It may be a battery. Here, description will be made on the assumption that one electrical device 10 is a motor (such as a three-phase motor) and the other electrical device 14 is an inverter.
The electrical device 10 includes a housing 11 that houses various electrical elements (see FIG. 3). An opening 11 h is formed in the housing 11. The electrical device 10 includes a wiring member 12 that is electrically and mechanically connected to a first connection portion 30 provided on one end of the wiring device 20 with an electromagnetic shield member. Here, the mechanical connection between the two members means maintaining the two members so that they do not come into contact with each other. The same applies to the following description. The wiring member 12 is formed of a metal plate or the like. As the wiring member 12, a metal plate that is press-processed (called a bus bar) can be used. The wiring member 12 is electrically connected to an electrical element (for example, a winding of a motor coil, etc.) in the electrical device 10 in the housing 11.
The electrical device 14 includes a housing 15 that houses various electrical elements. An opening 15 h is formed in the housing 15. The electrical device 14 includes a wiring member that is electrically and mechanically connected to the second connecting portion 40 provided on the other end side of the wiring device 20 with the electromagnetic shield member. Similar to the wiring member 12, the wiring member is formed of a metal plate or the like, and is electrically connected to the electrical components in the electrical device 14 within the housing 15.
The wiring device 20 with an electromagnetic shield member is used as wiring between the electric device 10 and the electric device 14. The wiring device 20 with an electromagnetic shield member includes a wiring device 21 and an electromagnetic shield member 50.
The wiring device 21 includes an electric wire 22 as a wiring member, a first connection unit 30, and a second connection unit 40. The electric wire 22 is a wiring member that electrically connects the electric device 10 and the electric device 14, and the first connection portion 30 is provided at one end portion of the electric wire 22 and is connected to one electric device 10. The second connection portion 40 is a portion that is provided at the other end portion of the electric wire 22 and is connected to the other electrical device 14.
The electromagnetic shield member 50 includes a wiring electromagnetic shield part 52 and a connection part electromagnetic shield cover 60.
The wiring electromagnetic shield part 52 is a member that electromagnetically shields the electric wire 22.
The connection portion electromagnetic shield cover 60 is a member that electromagnetically shields the first connection portion 30 at the end of the electric wire 22. Here, the connection portion electromagnetic shield cover 60 electromagnetically shields the first connection portion 30 at one end of the electric wire 22.
Each part will be described more specifically. 2 is an exploded perspective view of one end of the wiring device 20 with an electromagnetic shield member, and FIG. 3 is a cross-sectional view of one end of the wiring device 20 with an electromagnetic shield member.
<About wiring equipment>
As shown in FIGS. 1 to 3, the electric wire 22 includes a linear conductor 24. Here, the electric wire 22 is a covered electric wire including a linear conductor 24 and a covering portion 26. Here, assuming that the electric device 10 is a three-phase motor, three electric wires 22 are used. There may be one or more electric wires, and they are appropriately determined according to the number of wirings that are preferable.
The linear conductor 24 is a linear material formed of a metal material such as copper, copper alloy, aluminum, or aluminum alloy. The linear conductor 24 may be configured by a set of a plurality of strands, or may be configured by a single strand. The cross-sectional shape of the linear conductor 24 (cross-sectional shape orthogonal to the extending direction of the linear conductor 24) may be a circular shape or a rectangular shape.
The covering portion 26 is an insulating portion that covers the outer periphery of the linear conductor 24. The covering portion 26 can be formed by extrusion coating a resin around the linear conductor 24. The covering portion 26 may be formed by laminating a linear conductor with a flexible elastomer resin or the like, laminating it with an insulating film or the like, or thermally shrinking a heat shrinkable tube.
The plurality of electric wires 22 are arranged in parallel. More specifically, the plurality of electric wires 22 are arranged so as to be arranged in a parallel state, and are bent toward one main surface side of the surface in which the plurality of electric wires 22 extend at an intermediate portion thereof.
The first connection unit 30 includes a first terminal 32, a first housing 34, and a first cap 38.
The first terminal 32 is formed by pressing a metal plate material such as copper, copper alloy, aluminum, or aluminum alloy. The first terminal 32 is provided in a number corresponding to the number of the electric wires 22. Here, three first terminals 32 are provided. A device side connection portion 32 a is provided on one end side of the first terminal 32, and a wire side connection portion 32 b is provided on the other end side of the first terminal 32. Here, the first terminal 32 is formed by bending an elongated plate-like metal plate material in an L shape in opposite directions at each of two locations in the extending direction intermediate portion.
The device side connection portion 32a is formed in a thin rectangular shape, and a hole 32ah is formed in the middle portion thereof. Then, in a state where the device-side connection portion 32a and the wiring member 12 on the electric device 10 side are overlapped, a screw is passed through the hole 32ah of the device-side connection portion 32a and the hole on the wiring member 12 side and screwed into the nut. By doing so, the apparatus side connection part 32a and the wiring member 12 are electrically and mechanically connected. In addition, the electrical and mechanical connection between the device side connection portion and the wiring member side may be made by a fitting connection structure of a male terminal shape and a female terminal shape.
The electric wire side connection portion 32b is formed in an elongated plate shape. And the linear conductor 24 exposed to the edge part of the electric wire 22 is electrically and mechanically connected to the electric wire side connection part 32b by ultrasonic welding, resistance welding, soldering, etc. The connection between the electric wire side connection portion and the linear conductor at the end portion of the electric wire may be made by crimping connection or the like.
The first housing 34 is a member formed of resin or the like, and is a member that forms an accommodation recess 34g that accommodates the device-side connection portion 32a in a state where the first terminal 32 is held in a fixed posture. Here, the first housing 34 includes a housing main body portion 34 </ b> B and an electric wire guide portion 35.
The housing main body 34B is formed in a long cylindrical shape (more specifically, a cylindrical shape in which both end portions of a pair of straight line portions parallel to each other are connected by an arc-shaped portion), and an accommodation recess 34g is formed therein. Has been. A plurality of wire guide portions 35 project from the outside of one linear portion of the housing main body portion 34B.
And the electric wire side connection part 32b of a some 1st terminal is hold | maintained by embedding in the location in which each electric wire guide part 35 was formed among one linear parts of the housing main-body part 34B. It is held in parallel.
In this state, the device-side connection portion 32a of each first terminal 32 is disposed so as to protrude into the housing recess 34g inside the housing main body portion 34B. Here, the device side connection portion 32a extends in a direction orthogonal to the penetration direction of the housing main body portion 34B, but is not necessarily required, and extends along the penetration direction of the housing main body portion 34B. It may exist (refer to the first modification described later). Each electric wire 22 extends outside through the electric wire guide portion 35.
A fixing piece 36 that is fixed to the housing 11 by screws or the like is provided on the outer peripheral portion of the housing main body 34B. The fixing piece 36 may be a resin portion integrally formed with the housing main body 34B, or may be a metal plate or the like partially insert-molded on the outer peripheral portion of the housing main body 34B. A screw insertion hole 36 h is formed in the fixed piece 36. The fixing piece 36 contacts the outer surface of the housing 11 with one end of the housing main body 34 </ b> B fitted into the opening 11 h of the housing 11. In this state, a screw is inserted into the screw insertion hole 36h and is screwed and fastened to the screw hole formed in the housing 11. Thereby, the first connection part 30 is fixed to the housing 11.
As described above, in a state where one end portion of the housing main body portion 34B is fitted into the opening 11h of the housing 11, the device side connection portion 32a of the first terminal 32 and the wiring member 12 are disposed to overlap each other. In this state, using the outward opening of the housing main body portion 34B, the connection work between the device side connection portion 32a and the wiring member 12 using screws or the like is performed.
The first cap 38 is formed of resin or the like, and is a member that closes the opening on the opposite side of the housing 11 from the housing recess 34g of the housing main body 34B. More specifically, the 1st cap 38 is provided with the fitting part 38a fitted in the accommodation recessed part 34g, and the collar part 38b which protrudes in the outer peripheral side from the one end part of the fitting part 38a. And the fitting part 38a is contact | abutted to the end surface of the circumference | surroundings of the outward opening part of the housing main-body part 34B in the state in which the fitting part 38a was inserted in the accommodation recessed part 34g.
The second connection part 40 has the same configuration as the first connection part 30.
And while the 1st connection part 30 is electrically and mechanically connected to one electric equipment 10, the 2nd connection part 40 is electrically and mechanically fixed to the other electric equipment 14, and, thereby, electric wire 22 is also supported between the electric devices 10 and 14 in a predetermined parallel form.
<About electromagnetic shielding members>
FIG. 4 is a perspective view showing the connection portion electromagnetic shield cover 60, and FIG. 5 is an explanatory view showing a process of clamping and fixing the wiring electromagnetic shield portion 52 to the connection portion electromagnetic shield cover 60.
As shown in FIGS. 1 to 5, the electromagnetic shield member 50 includes a wiring electromagnetic shield part 52 and a connection part electromagnetic shield cover 60 provided at one end of the wiring electromagnetic shield part 52. Here, a bracket 70 is attached to the other end of the wiring electromagnetic shield 52.
The wiring electromagnetic shield portion 52 is a member that electromagnetically shields the electric wire 22 between the first connection portion 30 and the second connection portion 40. Here, the electromagnetic shielding part 52 for wiring is disposed on one main surface side (that is, on one side of the surface when a surface through which the plurality of electric wires 22 passes is assumed) in the parallel configuration of the plurality of electric wires 22. .
The wiring electromagnetic shield 52 is formed in a sheet shape or a plate shape. Here, the electromagnetic shielding part 52 for wiring is formed by a braided metal wire, for example, a braid, a metal net, a metal cloth, or a braided metal wire and a resin wire. The wiring electromagnetic shield 52 is formed in a shape that spreads in a square shape.
The connection portion electromagnetic shield cover 60 is a member formed by pressing a metal plate such as copper, copper alloy, aluminum, or aluminum alloy, and includes a cover main body 62 and a fixed piece 68.
The cover main body portion 62 is formed in a shape that covers the first connection portion 30. Here, the cover main body 62 includes a main plate 62a and a peripheral wall 62b. The main plate portion 62a is formed in a plate shape that covers a portion of the first connection portion 30 opposite to the housing 11, and the peripheral wall portion 62b is a portion of the first connection portion 30 where the wire guide portion 35 extends. It is formed in a shape that covers the other three sides. The cover main body 62 may be a metal plate material drawn or may be a metal plate material bent.
A through hole 64 h is formed at the center of the main plate 62 a of the cover main body 62. Then, the screw 64 is inserted into the through hole 64 h and screwed into the screw hole 38 g of the first cap 38. Thereby, the shield cover 60 and the 1st cap 38 are fixed with the screw | thread 64 etc. (refer FIG. 3).
The edge part of the surrounding wall part 62b is bent toward the outer side, so that the surrounding wall part 62b can stably come into contact with the housing 11 with as large an area as possible.
In addition, screw fixing pieces 63 protrude from both ends of the cover main body 62. A screw insertion hole 63 h is formed in the screw fixing piece 63, and the peripheral wall portion 62 b of the cover main body portion 62 surrounds the first connection portion 30 with the main cover main body portion 62 covering the first connection portion 30. To contact the outer surface of the housing 11. In this state, the connecting portion electromagnetic shield cover 60 is fixed to the housing 11 by inserting a screw through the screw insertion hole 63 h and screwing and fastening it into the screw hole formed in the housing 11.
The depth dimension of the cover main body 62 (that is, the protruding dimension of the peripheral wall part 62b with respect to the main plate part 62a) is set to be the same as the height dimension of the portion of the first connecting part 30 protruding from the housing 11. Thereby, when the electromagnetic shield cover 60 for connection part is fixed to the housing | casing 11 in the state in which the 1st connection part 30 was fixed to the housing | casing 11, the main board part 62a of the cover main-body part 62 will mount the 1st cap 38 to a housing | casing. 11 to hold the first cap 38 in the first housing 34.
The fixing piece 68 extends from the main plate portion 62a of the cover main body portion 62 and is bent and deformed so as to be folded back, whereby the one end side edge portion of the wiring electromagnetic shield portion 52 is sandwiched between the fixing piece 68 and the cover main body portion 62. Fix it.
More specifically, a portion of the main plate portion 62a close to the edge portion 62e where the peripheral wall portion 62b is not formed is directed to the line 69a along the edge portion 62e, and from both ends of the line 69a to the edge portion 62e. It is formed by cutting along a pair of lines 69b and bending it so as to be folded back at a folding line 69c that connects the ends of the pair of lines 69b (see FIG. 4). The folding line 69 c is a line that exists at the boundary between the cover main body 62 and the fixed piece 68.
Then, the fixed piece 68 is bent halfway along the folding line 69c. And after arrange | positioning the edge part of the electromagnetic shielding part 52 for wiring along the bending line 69c, the fixed piece 68 is further bent and deformed (refer FIG. 5). Then, the edge part of the electromagnetic shielding part 52 for wiring is pinched and fixed, that is, caulked and fixed between the cover main body part 62 and the fixing piece 68 (see FIGS. 2 and 3).
Here, a partial confirmation opening 69ch is formed in the bending line 69c. For this reason, the edge of the electromagnetic shielding part 52 for wiring is fixed to the fixing piece 68 and the cover main body part by visually checking whether the edge of the electromagnetic shielding part 52 for wiring can be observed through the confirmation opening 69ch. It can be confirmed whether or not the edge portion is disposed as far as the folding line 69c when it is disposed in the gap with 62 and after the caulking and fixing.
Here, although the fixed piece 68 is bent toward the inward surface side of the cover main body portion 62, the fixed piece 68 may be bent toward the outward surface side of the cover main body portion 62.
In addition, here, the fixed piece 68 is bent by the bending line 69c so as to be folded back to the side where the wiring electromagnetic shield part 52 extends. For this reason, the edge of the fixed piece 68 and the electromagnetic shielding part 52 for wiring are difficult to contact with a large force.
In addition, it is preferable that the edge part of the part which pinches | interposes the electromagnetic shielding part 52 for wiring among the fixed pieces 68 and the main board part 62a is bent in the direction away from the electromagnetic shielding part 52 for wiring (refer FIG. 3).
Moreover, it is preferable that the fixed piece 68 has a protruding dimension that does not exceed the edge 62e of the main plate portion 62a. If the fixed piece exceeds the edge of the main plate portion, the fixed piece comes into contact with the shield member at the portion beyond the main plate portion when the fixed piece is caulked, and as a result, the deformation of the shield member itself becomes large. Because.
The bracket 70 is caulked and fixed to the edge of the wiring electromagnetic shield portion 52 opposite to the connection portion electromagnetic shield cover 60.
The bracket 70 is a member obtained by press-working a metal plate material, and includes a caulking portion 72 for caulking and fixing the edge of the wiring electromagnetic shield portion 52, and fixing pieces 74 provided at both ends of the caulking portion 72. A screw insertion hole 74 h is formed in the fixed piece 74. And it fixes to the housing | casing 15 of the electric equipment 14 by screwing etc.
As described above, the one side edge of the wiring electromagnetic shield part 52 is fixed to one electrical device 10 by the connection part electromagnetic shield cover 60, and the other side edge of the wiring electromagnetic shield part 52 is By being fixed to the other electrical device 14 by the bracket 70, the electromagnetic shielding part 52 for wiring is supported in a state of covering one main surface side (outside of the bending path) of the arrangement form of the plurality of electric wires 22. The wiring electromagnetic shield 52 is grounded to the housings 11 and 15 through the connection electromagnetic shield cover 60 and the bracket 70.
According to the electromagnetic shield member-equipped wiring device 20 and the electromagnetic shield member 50 configured as described above, the edge portion of the wiring electromagnetic shield portion 52 includes the cover main body portion 62 and the fixing piece 68 of the connection electromagnetic shield cover 60. It is pinched and fixed between. For this reason, the structure which electromagnetically shields the 1st connection part 30 and the structure which fixes one edge part of the electromagnetic shield part 52 for wiring can be shared by the electromagnetic shield cover 60 for connection parts, and there are as few parts as possible. The number of points enables electromagnetic shielding of the electric wire 22 and the first connection portion at the end thereof.
Further, since the fixed piece 68 is folded back to the side where the wiring electromagnetic shield portion 52 extends, the fixed piece 68 is extended toward the other electrical device 14 side without folding the wiring electromagnetic shield portion 52. The electric wire 22 can be electromagnetically shielded. For this reason, the electromagnetic shielding part 52 for wiring is hard to be damaged.
Moreover, since the electromagnetic shielding part 52 for wiring is a thing in which the metal wire was knitted, it is easy to bend. For this reason, it is possible to easily perform the attaching operation of the connection portion electromagnetic shield cover 60 and the bracket 70 while changing and adjusting the relative position between the connection portion electromagnetic shield cover 60 and the bracket 70. In addition, there is an advantage that vibrations between the electric devices 10 and 14 are not easily transmitted to each other.
Moreover, since the electromagnetic shield cover 60 for connection parts is pressing the 1st cap 38 of the 1st connection part 30 to the electric equipment 10 side, it can also aim at suppression of detachment | leave of the 1st cap 38. FIG.
A modification based on the above embodiment will be described.
FIG. 6 is an explanatory view showing a state in which the wiring device 120 with an electromagnetic shield member according to the first modified example is used as a wiring between two electrical devices 10 and 14. FIG. 7 is a perspective view showing a state in which the bracket 170 according to the first modified example presses the second connecting portion 40, and FIG. 8 is a perspective view showing the bracket 170.
In this first modification, a modification regarding the bracket 170 will be mainly described.
The wiring device 21 is the same as that described in the above embodiment. In FIG. 7, the 2nd connection part 40 is drawn more concretely, and the mode that the 2nd connection part 40 was connected to the terminal block 16 provided in the 2nd electric equipment 14 is drawn. .
Here, the terminal block 16 includes a terminal block housing 17 attached to the housing 15 of the second electric device 14 and a plurality of device-side terminals 18 provided in the terminal block housing 17.
The terminal block housing 17 is a member formed of resin or the like, and is formed in an elongated cylindrical shape. The terminal block housing 17 is attached to the casing 15 so as to surround an outer portion of an elongated opening formed in the casing 15.
The device side terminal 18 is a conductive plate material formed of a metal plate or the like, and is here formed in an L shape. The device-side terminal 18 is held in a fixed posture via a holding member attached to the housing 15 in a state where it is connected to an electric element (such as a motor winding) of the second electric device 14.
The second connection portion 40 includes a second terminal 42, a second housing 44, and a second cap 48.
The 2nd terminal 42 is the same structure as the said 1st terminal 32, and is connected to the other end part of the electric wire 22 (refer FIG. 6).
The second housing 44 is formed in an elongated cylindrical shape that is elongated in the width direction, and the device-side connection portion of the second terminal is disposed in the housing recess of the second housing 44. The plurality of second terminals 42 are supported by the second housing 44 in a parallel state with a space therebetween. The second housing 44 is configured to be fitted in the terminal block housing 17. When the second housing 44 is fitted and connected to the terminal block housing 17, the end portion of the device-side terminal 18 and the device-side connection portion of the second terminal 42 are disposed to overlap each other. In this state, the connection portion between the end portion of the device side terminal 18 and the device side connection portion of the second terminal 42 is exposed to the outside through the outward opening of the second housing 44, and the device side terminal 18 is exposed through the opening. The connection between the end of the second terminal 42 and the device-side connecting portion of the second terminal 42 is performed using screws or the like.
The second cap 48 closes the housing recess of the second housing 44 from the side opposite to the housing 15. Here, like the first cap 38, the second cap 48 includes a portion that is fitted into the housing recess and a flange that protrudes from the portion toward the outer periphery outside the second housing 44.
In this modification, the electromagnetic shielding part 52 for wiring is arranged on one main surface side in the parallel arrangement form of the plurality of electric wires 22.
Moreover, the 1st connection part 30 is connected to the electric equipment 10 by the other main surface (left side of FIG. 6) side in the parallel arrangement | sequence form of the some electric wire 22. As shown in FIG. For this reason, the electromagnetic shield cover 60 for connection parts covers the 1st connection part 30 from the one main surface side in the parallel arrangement | sequence form of the electric wire 10 on the opposite side, ie, the some electric wire 22. FIG. For this reason, the electromagnetic shield part 52 for wiring and the electromagnetic shield cover 60 for connection part are arrange | positioned with respect to the some electric wire 22 on the same side. Therefore, as described in the above embodiment, a configuration in which one edge portion of the wiring electromagnetic shield portion 52 is sandwiched and fixed by the connection portion electromagnetic shield cover 60 can be easily realized.
On the other hand, the 2nd connection part 40 is connected to the other electric equipment 14 by the one main surface (lower side of FIG. 6) side in the arrangement | sequence form of the some electric wire 22. As shown in FIG. For this reason, the location where the second cap 48 is pressed in the second connection portion 40 and the electromagnetic shielding portion 52 for wiring are arranged on the opposite side with respect to the plurality of electric wires 22. Therefore, it is difficult to directly apply the configuration related to the electromagnetic shield cover 60 for connecting portion as described in the above embodiment.
Therefore, in this modification, the bracket 170 described below is used.
That is, the bracket 170 is a member formed by pressing a metal plate made of copper, copper alloy, aluminum, aluminum alloy or the like, and includes an electromagnetic shield member fixing portion 172 and a cap pressing portion 176, and includes a housing. It is configured to be fixable to the body 15.
The electromagnetic shield member fixing portion 172 is configured such that the elongated plate-like second sandwiching piece 172b is bent with respect to the elongated plate-like first sandwiching piece 172a via the bent portion 172c. . And the edge part of the other side of the electromagnetic shielding part 52 for wiring is clamped and fixed between the 1st clamping piece 172a and the 2nd clamping piece 172b. In addition, it is for confirming whether the edge part of the electromagnetic shielding part 52 for wiring is arrange | positioned in the bending part 172c to the back between the 1st clamping piece 172a and the 2nd clamping piece 172b. A confirmation opening 172ch is formed.
The electromagnetic shield member fixing portion 172 is disposed along the outer surface of the housing 15 between the electric wire 22 extending from the second connection portion 40 and the housing 15.
The cap pressing portion 176 is configured to extend from the electromagnetic shield member fixing portion 172 to the second cap 48 by bypassing the side of the second connecting portion 40 and to press the second cap 48. .
More specifically, the cap pressing portion 176 includes a substrate portion 176a extending from both end portions of the first sandwiching piece 172a toward both sides of the second connection portion 40, and a housing from the inner edge portion of the substrate portion 176a. And a cover portion 177 protruding toward the opposite side of the body 15. The cover portion 177 includes a side plate portion 177a that covers the outer surfaces of both side portions of the second connection portion 40, and a top plate portion 177b that extends inward from the upper end of the side plate portion 177a.
A screw through hole 176ah is formed in the substrate portion 176a. With the substrate portion 176a disposed on the housing 15, a screw is inserted into the screw through hole 176ah to form a screw hole on the housing 15 side. The bracket 170 is fixed to the housing 15 by screwing.
The distance between the board portion 176a and the top plate portion 177b is set to be the same as the protruding dimension of the second connection portion 40 with respect to the housing 15. Then, when the bracket 170 is fixed to the housing 15 as described above with the second connecting portion 40 attached to the housing 15, the top plate portion 177 b of the cap pressing portion 176 faces the outward surface of the second cap 48. It abuts and presses the second cap 48 toward the housing 15. This makes it difficult for the second cap 48 to come off.
Thus, the second cap 48 can be pressed by the bracket 170 that fixes the other edge of the wiring electromagnetic shield 52, and the other edge of the wiring electromagnetic shield 52 can be formed with a smaller number of parts. And the second cap 48 can be prevented from falling off.
Further, since the cap pressing portion 176 has a shape that covers the both ends of the second connection portion 40 to some extent (here, a shape that covers the outer side portion and the upper portion of the side portion), Shielding and protection can be expected to some extent.
In this modification, it is not essential that there are two cap pressing portions 176, and only one of them may be provided.
FIG. 9 is a perspective view showing an electromagnetic shield member 250 according to the second modified example, and FIG. 10 is a perspective view showing an electromagnetic shield part 252 for wiring according to the second modified example.
In the second modification, an example will be described in which a member obtained by folding a metal plate material into a bellows shape is used as the electromagnetic shielding portion 252 for wiring.
That is, the wiring electromagnetic shield portion 252 includes a portion 252B formed in a bellows shape by pressing a metal plate such as copper, copper alloy, aluminum, or aluminum alloy. Here, one of the wiring electromagnetic shield portions 252 between one side edge portion (an edge portion to which the connection portion electromagnetic shield cover 60 is attached) and the other side edge portion (an edge portion to which the bracket 70 is attached). A portion 252B formed in a bellows shape is formed only in the portion (particularly, the portion bent in an L shape). But the whole electromagnetic shielding part for wiring may be formed in bellows shape.
In the example shown in FIG. 10, the portion 252 </ b> B includes a convex portion 253 that protrudes in a triangular shape over the entire width direction of the wiring electromagnetic shield portion 252, as viewed from one main surface of the wiring electromagnetic shield portion 252. Concave portions 254 that are recessed in a triangular concave shape in the entire width direction of the electromagnetic shield portion 252 are alternately formed from one end side to the other end side of the electromagnetic shield portion 252 for wiring.
According to this example, the electromagnetic shielding part 252 for wiring can be easily bent at the bent part at the apex of the convex part 253 and the bent part at the bottom side of the concave part 254. For this reason, the electromagnetic shielding part 252 for wiring can be easily displaced in the thickness direction P1 and the expansion / contraction direction P2. Further, if the amount of expansion / contraction of the convex portion 253 and the concave portion 254 is made different in the width direction of the electromagnetic shielding portion 252 for wiring (for example, the convex portion 253 and the concave portion 254 are extended on one side in the width direction of the electromagnetic shielding portion 252 for wiring). On the other hand, if the convex part 253 and the concave part 254 are contracted), the wiring electromagnetic shield part 252 can also be displaced in the width direction P3. Thereby, the mounting operation of the connection portion electromagnetic shield cover 60 and the bracket 70 can be easily performed while changing and adjusting the relative position between the connection portion electromagnetic shield cover 60 and the bracket 70. In addition, there is an advantage that vibrations between the electric devices 10 and 14 are not easily transmitted to each other.
Note that, as in the third modification shown in FIG. 11, the wiring electromagnetic shield portion 352 is rectangularly convex over the entire width direction of the wiring electromagnetic shield portion 352 when viewed from one main surface of the wiring electromagnetic shield portion 352. Convex portions 353 projecting in a shape and concave portions 354 recessed in a square concave shape in the entire width direction of the electromagnetic shielding portion 252 for wiring are alternately formed from one end side to the other end side of the electromagnetic shielding portion 352 for wiring. A configuration including a bellows-shaped portion 352B may be used.
Even in this case, the same effects as those of the wiring electromagnetic shield 252 can be obtained.
Further, in the electromagnetic shield cover for connection portion 460 according to the fourth modified example shown in FIG. 12, the cover main body portion 462 corresponding to the cover main body portion 62 detaches outward from the edge portion on the side where the electric wire 22 extends. A fixed piece 468 extends. Then, the fixed piece 468 is overlapped with one of the main surfaces (here, the main surface facing outward) of the cover main body 462 along the folding line 469c at the boundary with the cover main body 462. It has been folded back. In addition, the edge of the wiring electromagnetic shield 452 corresponding to the wiring electromagnetic shield 152 is sandwiched and fixed between the cover main body 462 and the fixing piece 468. The wiring electromagnetic shield part 452 is folded back at a portion extending from between the fixed piece 468 and the cover main body part 462, and is drawn out toward the second connection part.
According to this example, the cover main body 462 can cover the first connecting portion 30 as much as possible, so that there is an advantage that the electromagnetic shielding performance is excellent.
Note that the wiring electromagnetic shield portion may be a braided metal wire or the like as described in the above embodiment. Moreover, the fixed piece may be folded back to the inward main surface side of the cover main body.
In addition, each structure demonstrated in the said embodiment and each modification can be suitably combined unless it mutually contradicts.
DESCRIPTION OF SYMBOLS 10 1st electric equipment 14 2nd electric equipment 20, 120 Wiring device with electromagnetic shielding member 21 Wiring device 22 Electric wire 24 Linear conductor 30 1st connection part 32 1st terminal 34 1st housing 34g accommodation recessed part 38 1st cap 40 1st 2 connection part 42 2nd terminal 44 2nd housing 48 2nd cap 50, 250 Electromagnetic shield member 52, 152, 252, 352, 452 Electromagnetic shield part for wiring 60, 460 Electromagnetic shield cover for connection part 62, 462 Cover body part 68,468 Fixed piece 69c, 469c Bending line 170 Bracket 172 Electromagnetic shield member fixing part 176 Cap pressing part 252B, 352B Part formed in bellows shape
An electromagnetic shielding part for wiring that electromagnetically shields the wiring member;
An electromagnetic shield cover for a connecting portion that is formed of a metal plate and electromagnetically shields a connecting portion at an end of the wiring member;
The electromagnetic shield cover for connection part is covered with a cover main body part that covers a connection part at an end of the wiring member, and is bent and deformed so as to extend from the cover main body part and to be folded back. and a fixing piece for clamping fixing one end edge of the part seen including,
The cover body covers three sides other than the main plate portion covering one of the end portions of the wiring member and the portion of the end portion of the wiring member on one side of the main plate portion other than the portion where the wiring member extends. With a peripheral wall,
The fixed piece includes the main plate portion, a first line along an edge portion of the main plate portion where the peripheral wall portion is not formed, and the peripheral wall of the main plate portion from both ends of the first line. Cut by a pair of second lines facing the edge where no part is formed, and this part is a bending line connecting the tip portions of the pair of second lines, and the electromagnetic shielding part for wiring extends An electromagnetic shielding member formed by being bent so as to be folded back .
The electromagnetic shielding member according to claim 1 ,
The electromagnetic shielding member for wiring is an electromagnetic shielding member in which a metal wire is knitted.
The electromagnetic shielding part for wiring is an electromagnetic shielding member including a portion in which a metal plate is folded in a bellows shape.
A wiring member, a first connection provided at one end of the wiring member and connected to the first electrical device, and a second connection provided at the other end of the wiring member and connected to the second electrical device A wiring device including a section;
The electromagnetic shield member according to any one of claims 1 to 3 , wherein the connection portion electromagnetic shield cover electromagnetically shields the first connection portion.
A wiring device with an electromagnetic shielding member.
The wiring device with an electromagnetic shield member according to claim 4 ,
The first connection portion includes a first terminal provided at one end of the wiring member, a first housing that forms an accommodation recess that accommodates the first terminal, and a first cap that closes the accommodation recess. ,
The wiring shield device with an electromagnetic shield member, wherein the connection portion electromagnetic shield cover is attached to the housing of the first electric device while the first cap is pressed.
The wiring device with an electromagnetic shield member according to claim 4 or 5 ,
Including a plurality of the wiring members arranged in parallel;
The wiring electromagnetic shield portion is disposed on one main surface side in the parallel form of the plurality of wiring members,
The first connection portion is connected to the first electrical device on the other main surface side in the parallel configuration of the plurality of wiring members,
The connection part electromagnetic shield cover electromagnetically shields the first connection part from one main surface side in the parallel form of the plurality of wiring members,
The second connecting portion closes the second recess provided in the other end of the wiring member, a second housing forming a receiving recess for receiving the second terminal, and the receiving recess of the second housing. A second cap, connected to the second electrical device on one main surface side in the arrangement form of the plurality of wiring members,
An electromagnetic shield member fixing portion fixed to an edge portion on the other end side of the electromagnetic shield portion for wiring, and bypassing a side of the second connection portion from the electromagnetic shield member fixing portion toward the second cap. A cap pressing portion that extends and presses down the second cap; and a bracket that is fixed to a housing of the second electric device;
The electromagnetic shield cover for connection part is covered with a cover main body part that covers a connection part at an end of the wiring member, and is bent and deformed so as to extend from the cover main body part and to be folded back. Including a fixing piece that clamps and fixes one end side edge of the part,
An electromagnetic shield portion for wiring that electromagnetically shields the wiring member; and an electromagnetic shield cover for connecting portion that is formed of a metal plate and electromagnetically shields the first connecting portion of the wiring member. The cover has a cover main body that covers the first connection portion of the wiring member, and is bent and deformed so as to extend and fold from the cover main body, whereby one end side edge portion of the electromagnetic shielding portion for wiring An electromagnetic shielding member that electromagnetically shields the first connection part,
JP2015138693A 2015-07-10 2015-07-10 Electromagnetic shield member and wiring device with electromagnetic shield member Active JP6394524B2 (en)
JP2015138693A JP6394524B2 (en) 2015-07-10 2015-07-10 Electromagnetic shield member and wiring device with electromagnetic shield member
US15/739,473 US10236634B2 (en) 2015-07-10 2016-06-22 Electromagnetic shield member and electromagnetic shield member-equipped wiring device
PCT/JP2016/068510 WO2017010248A1 (en) 2015-07-10 2016-06-22 Electromagnetic shield member and electromagnetic shield member-equipped wiring device
CN201680037433.1A CN107852843B (en) 2015-07-10 2016-06-22 Electromagnetic shielding member and wiring device with shielding member
JP2017022264A JP2017022264A (en) 2017-01-26
JP2017022264A5 JP2017022264A5 (en) 2017-11-24
JP6394524B2 true JP6394524B2 (en) 2018-09-26
ID=57756926
JP2015138693A Active JP6394524B2 (en) 2015-07-10 2015-07-10 Electromagnetic shield member and wiring device with electromagnetic shield member
US (1) US10236634B2 (en)
JP (1) JP6394524B2 (en)
CN (1) CN107852843B (en)
WO (1) WO2017010248A1 (en)
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2015-07-10 JP JP2015138693A patent/JP6394524B2/en active Active
2016-06-22 US US15/739,473 patent/US10236634B2/en active Active
2016-06-22 WO PCT/JP2016/068510 patent/WO2017010248A1/en active Application Filing
2016-06-22 CN CN201680037433.1A patent/CN107852843B/en active IP Right Grant
US10236634B2 (en) 2019-03-19
CN107852843B (en) 2020-01-14
CN107852843A (en) 2018-03-27
US20180219327A1 (en) 2018-08-02
JP2017022264A (en) 2017-01-26
WO2017010248A1 (en) 2017-01-19
JP5942703B2 (en) 2016-06-29 Electromagnetic shield and wire harness
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JP5307277B1 (en) 2013-10-02 Connector and connector connection structure
US20150041210A1 (en) 2015-02-12 Wire harness
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