Lamp seat structure capable of adjusting light source sensing direction

A lamp seat structure capable of adjusting light source sensing direction includes a connecting seat and a lampshade, or includes a connecting seat and a light bulb. The connecting base includes a base, a metallic lid, a cylinder, and a circuit modular board which are connected with an outer metallic conducting rod and an inner metallic conducting rod so as to be screwed to a light holder. A blocking board is located between a limit light trough of the cylinder and a light sensor of the circuit modular board. The circuit modular board is disposed under a partition. The circuit modular board is provided with a plurality of light emitting diodes for illumination. Alternatively, the circuit modular board is disposed and located on the partition, and a lower end of the cylinder is formed with an inner metallic threaded section for connecting with the light bulb. The lamp of the present invention is capable of sensing light and dark to turn on/off the lamp automatically.

BACKGROUND OF THE INVENTION

1. Field of the Invention

The present invention relates to a lamp seat structure capable of adjusting light source sensing direction, and more particularly to one having an outer metallic conducting rod and an inner metallic conducting rod to connect a base, a metallic lid, a cylinder, and a circuit modular board together to form an integral lamp seat to be screwed to a normal lamp holder. With the circuit modular board disposed at a different position, the lamp radiates light through light emitting diodes or a light bulb. With a blocking board between a limit light trough and a sensing member, the lamp is selectively controlled to be in an automatic sensing status or in a constant illumination status for turning on/off the lamp automatically and adjusting the incidence of light source.

2. Description of the Prior Art

A conventional light bulb is screwed to a lamp holder, which is manually operated to turn on or turn off the light. An automatic lighting control device is mounted in a threaded trough of an original lamp holder and coupled with a light bulb. A light sensor is provided in the automatic lighting control device as a control switch. When there is light beam, the light will be in a disconnection status and turned off. When there is no light beam, the light will be in a connection status to illuminate. The prior art has the following shortcomings.

1. The conventional light bulb is used to illuminate. Sometimes, people always forget to turn off the light which is mounted at an arcade, balcony, porch, and the like. This causes wastage of energy from its unnecessary and inappropriate use. In these days, energy saving is very important.

2. The conventional automatic lighting control device uses the light sensor to sense the condition of light beam and control the lighting. Therefore, it is essential for aiming at the light source. The sensitivity of the automatic lighting control device is decided by the light sensor. Under some conditions, these areas need illumination for a long time, for example the house is repairing. There is no fine adjustment to the incidence of light source for the light in a constant illumination status on the market. Accordingly, the inventor of the present invention has devoted himself based on his many years of practical experiences to solve this problem.

SUMMARY OF THE INVENTION

According to the primary object of the present invention, there is provided a lamp seat structure capable of adjusting light source sensing direction. An inner ring of a base is fitted in a cylinder. An outer metallic conducting rod is inserted through a first through hole of an insulating pad and a second through hole of the cylinder in sequence so that a metallic lid is coupled on a post of the base. An inner metallic conducting rod is inserted through a fourth through hole of a circuit modular board and a third through hole of the cylinder. A threaded hole of the inner metallic conducting rod is engaged with a threaded rod of the outer metallic conducting rod such that the circuit modular board leans against a lower edge of a partition of the cylinder and a light sensor of the circuit modular board corresponds in position to a limit light trough of the cylinder. A lampshade is screwed to the cylinder, with an outer threaded section of the lampshade to engage with an inner threaded section of the cylinder to form a LED lamp which is screwed to a lamp holder. When the lamp is set in a constant illumination status, the base or the cylinder is turned to a position where the blocking board is aligned with the limit light trough for the blocking board to block an external light beam. The light sensor, not being shone by the light beam, is in a connection status for the plurality of light emitting diodes to illuminate continually. When the lamp is set in an automatic sensing status, the base or the cylinder is turned to a position where the blocking board is not aligned with the limit light trough such that the light sensor shone by the external light beam is in a disconnection status. The plurality of light emitting diodes are not electrically connected to illuminate. On the contrary, when the external light beam is blocked and the light sensor is in a connection status, the plurality of light emitting diodes are electrically connected to illuminate. The angle of the lamp with respect to the incidence of the light beam is adjustable. The cylinder is first turned for the limit light trough toward the light source at a proper angle, and then the base is turned to decide the lamp in an automatic sensing status or in a constant illumination status. Alternatively, the base and the cylinder are turned at the same time for the limit light trough toward the light source at a proper angle to maintain its original setting status. The present invention provides a dual selection for lighting.

According to a second object of the present invention, there is provided a lamp seat structure capable of adjusting light source sensing direction. The cylinder is formed with an inner metallic threaded section instead of the inner threaded section. The circuit board is located on the partition. The circuit modular board includes the fourth through hole and the light sensor corresponding in position to the limit light trough. The inner ring of the base is fitted in the cylinder. The outer metallic conducting rod is inserted through the first through hole and the second through hole in sequence so that the metallic lid is coupled on the post. The inner metallic conducting rod is inserted through the third through hole and the fourth through hole. The threaded hole is engaged with the threaded rod to form the connecting seat. The lampshade is replaced with a light bulb. The light bulb has an outer metallic threaded section and a top to engage with the inner metallic threaded section of the cylinder and the inner locking cap of the inner metallic conducting rod, respectively. The light bulb is screwed to the cylinder, with the outer metallic threaded section to engage with the inner metallic threaded section and the top to contact with the inner locking cap to form an automatic sensing light bulb which is replaceable.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

As shown inFIGS. 1,2,3-A,3-B, a first embodiment of the present invention comprises a connecting seat2, and a lampshade3.

The connecting seat2comprises a base21, a metallic lid22, a cylinder23, a circuit modular board24, an outer metallic conducting rod25, and an inner metallic conducting rod26.

The base21includes an inner ring211extending from a lower end of the base21, a blocking board2111extending from an edge of the inner ring211, a post212extending from an upper end of the base21, a second through hole2121formed at a central portion of the base21.

The metallic lid22is fitted on the post212, and includes an insulating pad221on top of the metallic lid22. The insulating pad221has a first through hole2211at a central portion thereof.

The cylinder23includes a limit light trough231formed on an outer wall of a middle portion thereof, a partition232in the middle portion, and an inner threaded section233formed at a lower end thereof. The partition232has a third through hole2321at a central portion thereof.

The circuit modular board24includes a fourth through hole241at a central portion thereof, a plurality of light emitting diodes242on a bottom of the circuit modular board24, a light sensor243extending from a top of the circuit modular board24and corresponding in height to the limit light trough231.

The outer metallic conducting rod25includes an outer locking cap251at an upper end thereof and a threaded section252formed on a lower end thereof. The outer metallic conducting rod25is inserted in the first through hole2211of the insulating pad221, the metallic lid22, and the second through hole2121of the base21so that the metallic lid22is fitted on the post212of the base21.

The inner metallic conducting rod26includes an inner locking cap261at a lower end thereof and a threaded hole262formed in an upper end thereof. The inner metallic conducting rod26is inserted in the fourth through hole241of the circuit modular board24and the third through hole2321of the cylinder23, and the threaded hole262is engaged with the threaded section252of the outer metallic conducting rod25so that the circuit modular board24is confined to lean against a lower edge of the partition232.

The lampshade3has a lamp head in a geometric shape, such as circle, rhombus, or ellipse. The lamp head has an outer threaded section31thereon, corresponding to the inner threaded section233of the cylinder23.

To assemble the present invention, as shown inFIGS. 3-A,3-B,4to6,4A to6A, the outer metallic conducting rod25and the inner metallic conducting rod26are used to connect the base21, the metallic lid22, the cylinder23, and the circuit modular board24together. The inner ring211of the base21is fitted in the cylinder23. The outer metallic conducting rod25is inserted through the first through hole2211and the second through hole2121in sequence so that the metallic lid22is coupled on the post212. The inner metallic conducting rod26is inserted through the fourth through hole241and the third through hole2321and the threaded hole262is engaged with the threaded rod252such that the circuit modular board24leans against the lower edge of the partition232and the light sensor243corresponds in position to the limit light trough231. Finally, the lampshade3is screwed to the cylinder23, with the outer threaded section31to engage with the inner threaded section233to form a LED lamp (as shownFIG. 3-A,3-B) which is screwed to a lamp holder.

As shown inFIG. 4,FIG. 4-A, the lamp of the present invention is set in a constant illumination status. The base21or the cylinder23is turned to a position where the blocking board2111is aligned with the limit light trough231for the blocking board2111to block an external light beam L. The light sensor243, not being shone by the light beam L, is in a connection status for the plurality of light emitting diodes242to illuminate continually.

As shown inFIG. 5,FIG. 5-A, the lamp of the present invention is set in an automatic sensing status. The base21or the cylinder23is turned to a position where the blocking board2111is not aligned with the limit light trough231such that the light sensor243shone by the external light beam L is in a disconnection status. The plurality of light emitting diodes242are not electrically connected to illuminate. On the contrary, when the external light beam L is blocked and the light sensor243is in a connection status, the plurality of light emitting diodes242are electrically connected to illuminate.

As shown inFIG. 6andFIG. 6-A, the angle of the lamp with respect to the incidence of the light beam L is adjustable. The cylinder23is first turned for the limit light trough231toward the light source at a proper angle, and then the base21is turned to decide the lamp in an automatic sensing status or in a constant illumination status. Alternatively, the base21and the cylinder23are turned at the same time for the limit light trough231toward the light source at a proper angle to maintain its original setting status. The present invention provides a dual selection for lighting so as to match with the position of the light source.

Referring toFIG. 2,FIG. 3-A,FIG. 3-B, the outer threaded section31of the lampshade3and the inner threaded section233of the cylinder23are formed with a plurality of engaging notches and a plurality of engaging blocks, respectively, for engagement. Alternatively, the outer threaded section31of the lampshade3and the inner threaded section233of the cylinder23are formed with an outer plane and an inner plane, respectively, to be coated with colloid for engagement.

Referring toFIG. 2,FIG. 7-AandFIG. 7-Bshow a second embodiment of the present invention, which is substantially similar to the first embodiment with the exceptions described hereinafter. The cylinder23is formed with an inner metallic threaded section234instead of the inner threaded section233. The circuit board24is located on the partition232. The circuit modular board24includes the fourth through hole241and the light sensor243corresponding in position to the limit light trough231. The lampshade3is replaced with a light bulb4. The light bulb4has an outer metallic threaded section41and a top42to engage with the inner metallic threaded section234of the cylinder23and the inner locking cap261of the inner metallic conducting rod26, respectively. The inner ring211of the base21is fitted in the cylinder23. The outer metallic conducting rod25is inserted through the first through hole2211and the second through hole2121in sequence so that the metallic lid22is coupled on the post212. The inner metallic conducting rod26is inserted through the third through hole2321and the fourth through hole241, and the threaded hole262is engaged with the threaded rod252to form the connecting seat2. The light bulb4is screwed to the cylinder23, with the outer metallic threaded section41to engage with the inner metallic threaded section243and the top42to contact with the inner locking cap261to form an automatic sensing light bulb4which is replaceable.

Referring toFIG. 1andFIG. 7-A, the metallic lid22, the inner metallic threaded section234, the outer metallic conducting rod25, the inner metallic conducting rod26, the outer metallic threaded section41are made of copper as conductive members.

The lamp of the present invention is capable of sensing light and dark to turn on/off the lamp automatically.