TWI449885B - Light source testing device - Google Patents

Description

Light source detecting device

The invention relates to a light source detecting device, in particular to a light source detecting device for detecting a light emitting diode light source.

Conventional light-emitting diode light source detecting devices generally include a test stand, a rotating base, and a test pin for detecting a light-emitting diode light source. The rotating base is connected to the bottom surface of the test bench, and the top surface of the test stand is provided with a fixed shape groove for placing the light emitting diode light source. Rotating the rotating base can pass the test pin out from the upper surface of the test stand and contact the electrode of the light emitting diode source to perform light source detection.

However, since the shape and size of the groove for placing the light-emitting diode light source on the test stand has been fixed, the detecting device is only suitable for detecting a light-emitting diode light source of a certain shape and size. In addition, since the light-emitting diode light source is installed in the groove, if the material used in the test bench does not have good thermal conductivity, the heat generated by the light-emitting diode light source is not easily dissipated quickly, thereby adversely affecting the test result.

In view of the above, it is necessary to provide a light source detecting device capable of detecting a plurality of shapes and sizes of light emitting diodes.

A light source detecting device for detecting a light emitting diode light source comprises a base and an lifting platform, wherein the base is provided with an electrode, a conductive area is formed on the lifting platform, and a test pin is arranged in the lifting platform. The test pin is disposed on the lifting platform and is fixedly connected to the conductive area. The light emitting diode light source comprises a light emitting diode and a circuit board. The circuit board is provided with a circuit structure, and the light emitting diode is mounted on the circuit board. And electrically connected to the circuit structure, the light emitting diode light source is mounted on the lifting platform and electrically connected to the conductive region, and the lifting platform is fixed on the base by the elastic component, by pressing the lifting platform The test pin is brought into electrical contact with the electrode on the base.

Fixing the light-emitting diode light source on the lifting platform, and using the elastic element and the external force to jointly change the height of the lifting platform, thereby controlling the conduction and disconnection of the electrode on the test pin and the base, and then mounting on the lifting platform The light-emitting diode light source is detected, and the shape and size of the installed light-emitting diode light source are not limited, so the light source detecting device can be used to detect light-emitting diode light sources of various shapes and sizes.

The invention will now be further described with reference to the specific embodiments thereof with reference to the drawings.

Referring to FIG. 1 and FIG. 2 , a light source detecting device 100 according to an embodiment of the present invention includes a base 10 , a support post 20 , a lifting platform 30 , and a fixing assembly 60 .

The susceptor 10 is located at a lower portion of the light source detecting device 100 for carrying and supporting the light source detecting device 100. The upper surface of the susceptor 10 forms an electrode 12 that leads to other sensing elements (not shown). In the present embodiment, the electrode 12 is divided into two parts, which are laid on the upper surface of the base 10.

The support post 20 is mounted and fixed on the base 10 . The support post 20 is substantially cylindrical, and a through hole 21 is formed in the middle portion thereof to penetrate the upper surface of the support post 20 away from the base 10 and face the base 10 . The lower surface. The electrode 12 is received in the through hole 21. The through hole 21 may have a circular shape, a rectangular shape, a square shape, or the like. In the embodiment, the through hole 21 is circular. The intermediate portion of the inner wall of the through hole 21 extends radially inward to form an annular support platform 22. The support platform 22 partitions the through holes 21 into a first accommodating area 211 located at an upper portion of the support platform 22 and a second accommodating area 212 at a lower portion of the support platform 22, the first accommodating area 211 and the second accommodating area 212 is connected via a hollow hole 213 of the support platform 22. The support platform 22 is provided with a small hole 221. In the embodiment, the number of the small holes 221 is two and symmetrically distributed on the support platform 22 for penetrating the test pin 40.

The lifting platform 30 is received in the first accommodating area 211 of the through hole 21, and the shape thereof can be designed according to the shape of the through hole 21 of the supporting column 20. In the embodiment, the lifting table 30 is a disk. shape. In other embodiments, if the through hole 21 of the support post 20 is rectangular, the lifting platform 30 can also be correspondingly designed to be rectangular in shape to fit in the through hole 21 . A conductive region 31 is formed on the upper surface of the lifting platform 30 away from the base 10. In the present embodiment, the conductive region 31 is divided into two blocks, and corresponds to the electrode 12 on the susceptor 10. The lifting platform 30 is provided with a blind hole 32 from the lower surface of the base 10, and the blind hole 32 is opened corresponding to the conductive region 31 and the conductive region 31 is exposed downward through the blind hole 32. The blind hole 32 has a position and size corresponding to the small hole 221 on the support platform 22 for penetrating the test pin 40.

The test pin 40 has an opposite top end 41 and a bottom end 42 having an area greater than the area of the top end 41. Due to the large area of the bottom end 42, the test pin 40 is more easily contacted with the electrode 12 of the base 10 to form a good electrical connection. The top end 41 of the test pin 40 is fixedly connected to the conductive area 31 through the small hole 221 of the support platform 22 and the blind hole 32 of the lifting platform 30, respectively.

The lifting platform 30 is supported on the base 10 by an elastic member. In this embodiment, the elastic member is a spring 50. The spring 50 is disposed in the hole 213, and the upper end and the lower end are respectively connected to the lifting platform 30 and the base 10. Of course, in other embodiments, the elastic element may also be other elements having the same effect. When no external force acts on the lifting platform 30, the lifting platform 30 is pressed against the spring 50 under the force of gravity, and the spring 50 is slightly compressed. At this time, the elastic force of the spring 50 causes the lifting platform 30 and the supporting column 20 The upper surface is substantially level, and the distance from the bottom end 42 of the test pin 40 to the electrode 12 of the base 10 is substantially the same as the distance from the lower surface of the lift table 30 from the upper surface of the support platform 22.

Referring to FIG. 3 and FIG. 4 together, the LED light source 70 includes a light emitting diode 71 and a circuit board 72. The light emitting diode 71 is mounted on the circuit board 72. The circuit board 72 has opposing upper and lower surfaces, and a circuit structure 721 extending downwardly from the upper surface to the lower surface. The light emitting diode 71 is electrically connected to the circuit structure 721. In the present embodiment, the circuit structure 721 is divided into two blocks, and corresponds to the conductive region 31 of the lifting platform 30. The spacing between the two circuit structures 721 is smaller than the size of the LEDs 71, thereby ensuring a good electrical connection between the LEDs 71 and the circuit board 72. Of course, in order to prevent the circuit board 72 from being displaced during the detection process and affecting the detection result, a pin hole (not shown) may be opened at a corresponding position of the circuit board 72 and the lifting platform 30, and the pin is used to fix the placement of the circuit board 72. position.

The light emitting diode light source 70 is fixed to the lifting platform 30 by a fixing assembly 60. The fixing assembly 60 includes an insulating platen 61 and a holder 62. The insulating platen 61 has a ring shape, and the inner circle 611 has a diameter smaller than that of the circuit board 72 and larger than the size of the light emitting diode 71, and the outer circle 612 is larger than the diameter of the through hole 21 of the support column 20 and smaller than the outer side of the support column 20. path. Of course, in other facts, the insulating platen 61 may be other plates having holes in the middle thereof, and the shape and size thereof may be set as needed. The holder 62 includes a first rotating bar 621 and a second rotating bar 622, a central shaft 623 that pivotally connects the first rotating bar 621 and the second rotating bar 622, and a locking member (not shown). The first rotating strip 621 is rotatable about the second rotating strip 622, and both can be locked by the locking assembly when at an angle of 90[deg.] to each other. The second rotating bar 622 may be pre-fixed to the outer wall of the support post 20 by means of a screw connection or the like.

Before the light source detecting device 100 provided by the present embodiment detects the light emitting diode light source 70, the light emitting diode light source 70 is placed on the lifting platform 30, and the circuit board 72 of the light emitting diode light source 70 is lifted and lowered. The conductive region 31 of the stage 30 is in contact to form an electrical connection; the insulating platen 61 is pressed against the upper surface of the circuit board 72, and the circuit board 72 is pressed downward, and the downward pressure causes the spring 50 to be further compressed until the lift The lower surface of the table 30 is in contact with the upper surface of the support platform 22 and is held by the support platform 22. At this time, the bottom end 42 of the test pin 40 is in close contact with the electrode 12 of the base 10, and the electrode 12 and the mounted electrode 12 are completed. The electrical connection of the light-emitting diode light source 70, the lifting platform 30 can not be lowered again at this time; finally, the insulating platen 61 is fixedly connected with the supporting column 20 by the fixing device 62, and the first rotating strip 621 is rotated to be insulated. The upper surface of the pressure plate 61 is locked with the locking member to lock the first rotating strip 621 so that the insulating pressing plate 61 is in close contact with the upper surface of the support post 20, thereby forming a stable and firm electrical path, before the detection of the light emitting diode light source 70 is completed. Installation standard jobs.

The upper surface of the lifting platform 30 is an open space, and the contact between the test pin 40 and the electrode 12 is completed by pressing down the circuit board 72 and fixing it, so that the light-emitting diodes mounted thereon are The size and shape of the body 71 are not excessively limited, so the light source detecting device 100 can detect a plurality of light emitting diode light sources 70, which is more versatile. In addition, in order to facilitate the heat dissipation, the circuit board 72 can be made of a material having high heat dissipation efficiency, thereby avoiding the influence of heat on the detection of the LED light source 70.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims.

100. . . Light source detecting device

10. . . Pedestal

12. . . electrode

20. . . Support column

twenty one. . . Through hole

211. . . First accommodating area

212. . . Second accommodating area

213. . . Hole

twenty two. . . Support platform

221. . . Small hole

30. . . Lifts

31. . . Conductive area

32. . . Blind hole

40. . . Test pin

41. . . top

42. . . Bottom end

50. . . spring

60. . . Fixed component

61. . . Insulating pressure plate

611. . . Inner circle

612. . . Outer circle

62. . . Holder

621. . . First rotating strip

622. . . Second rotating strip

623. . . Central axis

70. . . Light-emitting diode source

71. . . Light-emitting diode

72. . . Circuit board

721. . . Circuit configuration

1 is a side elevational view of a light source detecting device according to an embodiment of the present invention.

2 is a top plan view of the light source detecting device of FIG. 1.

3 is a side elevational view showing the light source detecting device of FIG. 1 equipped with a light emitting diode light source.

4 is a top plan view of the light source detecting device of FIG. 3.

100. . . Light source detecting device

10. . . Pedestal

12. . . electrode

20. . . Support column

twenty one. . . Through hole

211. . . First accommodating area

212. . . Second accommodating area

213. . . Hole

twenty two. . . Support platform

221. . . Small hole

30. . . Lifts

31. . . Conductive area

32. . . Blind hole

40. . . Test pin

41. . . top

42. . . Bottom end

50. . . spring

60. . . Fixed component

Claims (10)

A light source detecting device for detecting a light emitting diode light source, comprising a base, a lifting platform and a fixing component, wherein the base is provided with an electrode, and the lifting platform is formed with a conductive area, and the improvement is: the lifting platform The test pin is disposed on the lifting platform and is fixedly connected to the conductive area. The light emitting diode light source comprises a light emitting diode and a circuit board, and the circuit board is provided with a circuit structure, and the light emitting diode The pole body is mounted on the circuit board and electrically connected to the circuit structure. The light emitting diode light source is mounted on the lifting platform and electrically connected to the conductive region, and the lifting platform is supported on the base by the elastic component. The fixing component is pressed against the circuit board and compresses the elastic component by pressing the lifting platform, so that the test pin is in electrical contact with the electrode on the base. The light source detecting device according to claim 1, wherein the conductive region is formed on an upper surface of the lifting platform away from the base, and the circuit structure extends from an upper surface of the circuit board to the light emitting diode to The opposite surface of the upper surface is mounted on the upper surface of the lifting platform, and the conductive region is in contact with the circuit structure of the circuit board to form an electrical connection. The light source detecting device of claim 2, wherein the lifting platform is provided with a blind hole, and the blind hole is opened from the lower surface of the lifting platform near the base until the conductive region is exposed from the blind hole. The test pin is disposed in the blind hole and is fixedly connected to the conductive region. The light source detecting device of claim 1, wherein the light source detecting device further comprises a support column mounted on the base, wherein a through hole is formed in the support column, and an inner wall of the through hole is The inner extension forms a support platform, and the support platform divides the through hole into a first accommodating area and a second accommodating area, and the lifting platform is accommodated in the first accommodating area. The light source detecting device of claim 4, wherein the support platform is provided with a small hole, and the test pin is disposed in the small hole and connected to the conductive area of the lifting platform. The light source detecting device of claim 5, wherein the test pin comprises a top end and a bottom end, the bottom end having an area larger than an area of the top end. The light source detecting device of claim 6, wherein the elastic member is a spring that supports the lifting platform such that a distance between a lower surface of the lifting platform and an upper surface of the supporting platform and a bottom end of the test pin The distance from the electrodes of the pedestal is equal. The light source detecting device of claim 1, wherein the fixing member comprises an insulating platen and a holder for pressing the circuit board to lower the lifting table to a position where the test pin is in contact with the electrode, The fixing member is used for fixing the insulating platen so that the insulating platen is in close contact with the upper surface of the support column to keep the test pin in contact with the electrode. The light source detecting device of claim 8, wherein a hole is formed in a middle portion of the insulating platen, and the hole has a size smaller than a size of the circuit board and larger than a size of the light emitting diode. The light source detecting device of claim 9, wherein the holder comprises a first rotating bar, a second rotating bar, and a central axis pivotally connecting the first rotating bar and the second rotating bar, the first A rotating strip retains the insulating platen, and the second rotating strip is fixedly coupled to the outer wall of the support column.