CN219474925U

CN219474925U - Backlight source detection device

Info

Publication number: CN219474925U
Application number: CN202320457533.7U
Authority: CN
Inventors: 袁锴; 叶淑亮
Original assignee: Xiamen Chuangbo Microelectronics Technology Co ltd
Current assignee: Xiamen Chuangbo Microelectronics Technology Co ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-08-04
Anticipated expiration: 2033-03-10

Abstract

The utility model discloses a backlight source detection device, which belongs to the field of backlight source detection and comprises a frame, a chromaticity detection mechanism, a placing table, a jig, a position adjustment mechanism, a connecting plate and an elastic probe, wherein the placing table and the position adjustment mechanism are fixed at the bottom in the frame, the position adjustment mechanism is positioned at the rear side of the placing table, a placing groove is formed in the top of the placing table, a clamping groove is formed in the center position of the placing groove, a clamping block clamped with the clamping groove is arranged in the center position of the bottom of the jig, a Y-axis sliding table is arranged in the position adjustment mechanism, the connecting plate is fixed on the sliding end of the Y-axis sliding table, the elastic probe is arranged at the front end of the connecting plate, the elastic probe is positioned above the placing groove, the chromaticity detection mechanism is fixed at the top in the frame, and the chromaticity detection mechanism is positioned above the placing groove. According to the backlight source detection device, the position of the elastic probe is adjusted according to the position of the flat cable through the position adjusting mechanism, so that good electric contact between the elastic probe and the flat cable is realized.

Description

Backlight source detection device

Technical Field

The utility model belongs to the field of backlight detection, and particularly relates to a backlight detection device.

Background

The backlight is an indispensable component of various passive display devices, and only when the backlight is provided, the passive light-emitting components such as a liquid crystal panel can be driven by the backlight to realize a display function. In order to ensure the picture display effect of the display device, the chromaticity parameter of the backlight source also needs to meet the requirement, which needs to be detected during the production of the backlight source.

In the backlight detection process, it is necessary to be lit by the backlight. The lighting of the backlight generally refers to closely contacting a golden finger of a flat cable in the backlight with a conductor of an external power supply, so as to electrify the flat cable through the conductor, thereby lighting a light emitting diode in the backlight, and further lighting the whole backlight and performing related quality detection. In order to make the golden finger closely contact with the conductor, the position of the conductor needs to be aligned with the position of the golden finger, so that the golden finger can be well connected with the conductor.

In order to adapt to the location of the backlight of different specification sizes, the strong tool of current design adaptability, but because the specification size of backlight is different, lead to the winding displacement position of backlight also different, traditional electric conductor position is fixed, can not keep the alignment all the time with golden finger position, influences electric switching on, can't lighten the backlight even.

Disclosure of Invention

The present utility model is directed to a backlight detection device, which overcomes at least one of the above-mentioned drawbacks of the prior art.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a backlight source detection device which comprises a frame, a chromaticity detection mechanism, a placement table, a jig, a position adjustment mechanism, a connecting plate and an elastic probe, wherein the placement table and the position adjustment mechanism are fixed at the bottom in the frame, the position adjustment mechanism is positioned at the rear side of the placement table, the top of the placement table is provided with a placement groove, the center of the placement groove is provided with a clamping groove, the center of the bottom of the jig is provided with a clamping block clamped with the clamping groove, the position adjustment mechanism is provided with a Y-axis sliding table, the connecting plate is fixed on the sliding end of the Y-axis sliding table, the front end of the connecting plate is provided with the elastic probe, the elastic probe is positioned above the placement groove, the elastic probe is electrically connected with an external power supply, the chromaticity detection mechanism is fixed at the top in the frame, and the chromaticity detection mechanism is positioned above the placement groove.

Preferably, the position adjusting mechanism further comprises a lifting mechanism and an X-axis sliding table, wherein the X-axis sliding table is fixed on the lifting mechanism, and the Y-axis sliding table is fixed on the sliding end of the X-axis sliding table.

Preferably, elevating system includes pole setting, diaphragm, cylinder, first spring and mounting panel, and the pole setting is fixed in the frame in the bottom, and the top of pole setting is fixed with the diaphragm, and the bottom of diaphragm is fixed with the cylinder, and the mounting panel is passed to the pole setting, and the mounting panel can follow pole setting length direction motion, the bottom of cylinder and the top fixed connection of mounting panel, and the top of mounting panel is fixed with first spring, and the bottom of diaphragm is fixed in on the top of first spring, and the bottom of mounting panel is fixed in to X axle slip table.

Preferably, the elastic probe comprises a second spring and a conductive needle, wherein the conductive needle penetrates through the connecting plate and can move up and down relative to the connecting plate, the second spring is fixed to the lower portion of the conductive needle, and the top end of the second spring is fixed to the bottom of the connecting plate.

Preferably, the elastic probe further comprises a stop, the lower part of the conductive needle is fixed with the stop, the top of the stop is fixed with a second spring, and the top end of the second spring is fixed at the bottom of the connecting plate.

Preferably, the top of the jig is provided with a first positioning groove for positioning the backlight source and a second positioning groove for positioning the flat cable, and the first positioning groove is communicated with the second positioning groove.

Preferably, the top wall of the jig is flush with the top wall of the placement table.

The beneficial effects of the utility model are as follows:

1. the position of the elastic probe is adjusted according to the position of the flat cable through the position adjusting mechanism, so that good electric contact between the elastic probe and the flat cable is realized.

2. The fixture block and the clamping groove are matched to realize the replacement of the fixture, and the fixtures with different specifications and sizes can be replaced, so that the fixture is suitable for the detection of backlight sources with different specifications and sizes, and the replacement is very convenient.

3. The elastic probe is adopted, so that the tight contact with the flat cable is ensured compared with the traditional hard contact, and the flat cable is prevented from being crushed.

4. The conductive needle has buffering capacity through the arrangement of the second spring. The arrangement of the combined stop block is convenient for the installation of the second spring.

Drawings

Fig. 1 is a schematic diagram of the front view structure of the present utility model.

Fig. 2 is a schematic view of a partial top view of the present utility model.

Fig. 3 is a schematic front view of the position adjusting mechanism and the elastic probe of the present utility model.

Fig. 4 is a schematic top view of the placement stage of the present utility model.

Fig. 5 is a schematic rear view of the fixture of the present utility model.

The marks in the drawings are: the device comprises a 1-frame, a 2-chromaticity detection mechanism, a 3-placing table, a 4-jig, a 5-position adjustment mechanism, a 6-connecting plate, a 7-elastic probe, a 31-placing groove, a 32-clamping groove, a 41-clamping block, a 51-Y-axis sliding table, a 52-lifting mechanism, a 53-X-axis sliding table, a 521-vertical rod, a 522-transverse plate, a 523-cylinder, a 524-first spring, a 525-mounting plate, a 71-second spring, a 72-conductive needle, a 73-stop block, a 42-first positioning groove and a 43-second positioning groove.

Detailed Description

The utility model will now be further described with reference to the drawings and detailed description.

What is not described in detail in this specification is prior art known to those skilled in the art. In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or refer to the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

As shown in fig. 1 to 5, the backlight source detection device provided in this embodiment includes a frame 1, a chromaticity detection mechanism 2, a placement table 3, a jig 4, a position adjustment mechanism 5, a connection board 6, and an elastic probe 7, the placement table 3 and the position adjustment mechanism 5 are fixed in the bottom in the frame 1, the position adjustment mechanism 5 is located at the rear side of the placement table 3, the placement groove 31 is provided at the top of the placement table 3, the clamping groove 32 is provided at the center of the placement groove 31, the clamping block 41 clamped with the clamping groove 32 is provided at the bottom center of the jig 4, the first positioning groove 42 and the second positioning groove 43 for positioning the backlight source are provided at the top of the jig 4, the first positioning groove 42 and the second positioning groove 43 are communicated, the top wall of the jig 4 is flush with the top wall of the placement table 3, the position adjustment mechanism 5 has a Y-axis sliding table 51, the connection board 6 is fixed on the sliding end of the Y-axis sliding table 51, the elastic probe 7 is provided at the front end, the position adjustment mechanism 5 further includes a lifting mechanism 52 and an X-axis sliding table 53, the X-axis sliding table 53 is fixed on the lifting mechanism 52, the sliding table is fixed on the sliding table 7 at the sliding end of the Y-axis sliding table 7, and is located on the electrical power supply 31, and is fixed on the outer side of the frame 2, and the chromaticity detection mechanism is fixed on the side of the electrical power supply 1. The jig 4 matched with the backlight source to be detected is clamped in the placing groove 31 through the clamping block 41, the backlight source to be detected is subsequently placed on the jig 4, then the position of the elastic probe 7 is adjusted front, back, left and right according to the wire arrangement position of the backlight source to be detected, after the position of the elastic probe 7 is opposite to the wire arrangement position, the position of the elastic probe 7 on the Z axis is adjusted through the lifting mechanism 52, the elastic probe 7 moves downwards to be in close contact with the wire arrangement, good circuit conduction is achieved, and then the chromaticity detection is carried out on the backlight source through the chromaticity detection mechanism 2. The fixture 4 is replaced by matching the fixture block 41 with the fixture groove 32, and the fixture 4 with different specifications and sizes can be replaced, so that the backlight source detection device is suitable for the backlight sources with different specifications and sizes, and the replacement is very convenient. The position of the elastic probe 7 is adjusted according to the position of the flat cable by the position adjusting mechanism 5 to achieve good electrical contact of the elastic probe 7 with the flat cable. By adopting the arrangement of the elastic probe 7, compared with the traditional hard contact, the tight contact with the flat cable is ensured on one hand, and the flat cable is prevented from being crushed on the other hand.

The lifting mechanism 52 comprises a vertical rod 521, a transverse plate 522, an air cylinder 523, a first spring 524 and a mounting plate 525, wherein the vertical rod 521 is fixed at the inner bottom of the frame 1, the transverse plate 522 is fixed at the top end of the vertical rod 521, the air cylinder 523 is fixed at the bottom of the transverse plate 522, the vertical rod 521 passes through the mounting plate 525, the mounting plate 525 can move along the length direction of the vertical rod 521, the bottom end of the air cylinder 523 is fixedly connected with the top of the mounting plate 525, the first spring 524 is fixed at the top of the mounting plate 525, in an initial state, the first spring 524 is in a contracted state, the top end of the first spring 524 is fixed at the bottom of the transverse plate 522, and the X-axis sliding table 53 is fixed at the bottom of the mounting plate 525. When the elastic probe 7 needs to be driven to move up and down, the air cylinder 523 stretches to drive the mounting plate 525 to move up and down, so that the elastic probe 7 moves up and down.

Wherein, the elastic probe 7 includes a second spring 71 and a conductive needle 72, the conductive needle 72 passes through the connection plate 6 and can move up and down relative to the connection plate 6, the second spring 71 is fixed at the lower part of the conductive needle 72, and the top end of the second spring 71 is fixed at the bottom of the connection plate 6. The conductive pin 72 is provided with a buffer capacity by the provision of the second spring 71.

The elastic probe 7 further comprises a stop 73, the lower portion of the conductive needle 72 is fixed with the stop 73, the top of the stop 73 is fixed with a second spring 71, and the top of the second spring 71 is fixed to the bottom of the connecting plate 6. The installation of the second spring 71 is facilitated by the provision of the stopper 73.

The control mode of the utility model is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the utility model is mainly used for protecting a mechanical device, so the utility model does not explain the control mode and circuit connection in detail.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that; the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. Backlight detection device, its characterized in that:

comprises a frame, a chromaticity detection mechanism, a placement table, a jig, a position adjustment mechanism, a connecting plate and an elastic probe;

a placing table and a position adjusting mechanism are fixed at the inner bottom of the frame, the position adjusting mechanism is positioned at the rear side of the placing table, a placing groove is formed in the top of the placing table, and a clamping groove is formed in the center of the placing groove;

the bottom center of the jig is provided with a clamping block clamped with the clamping groove;

the position adjusting mechanism is provided with a Y-axis sliding table, the connecting plate is fixed on the sliding end of the Y-axis sliding table, the front end of the connecting plate is provided with an elastic probe, the elastic probe is positioned above the placing groove, and the elastic probe is electrically connected with an external power supply;

the top is fixed with chromaticity detection mechanism in the frame, chromaticity detection mechanism is located the top of standing groove.

2. The backlight detection apparatus according to claim 1, wherein:

the position adjusting mechanism further comprises a lifting mechanism and an X-axis sliding table;

the X-axis sliding table is fixed on the lifting mechanism;

the Y-axis sliding table is fixed at the sliding end of the X-axis sliding table.

3. The backlight detection apparatus according to claim 2, wherein:

the lifting mechanism comprises a vertical rod, a transverse plate, an air cylinder, a first spring and a mounting plate;

the upright rod is fixed at the inner bottom of the frame;

the top end of the vertical rod is fixedly provided with a transverse plate, the bottom of the transverse plate is fixedly provided with a cylinder, the vertical rod penetrates through the mounting plate, the mounting plate can move along the length direction of the vertical rod, and the bottom end of the cylinder is fixedly connected with the top of the mounting plate;

a first spring is fixed at the top of the mounting plate, and the top end of the first spring is fixed at the bottom of the transverse plate;

the X-axis sliding table is fixed at the bottom of the mounting plate.

4. The backlight detection apparatus according to claim 1, wherein:

the elastic probe comprises a second spring and a conductive needle;

the conductive needle passes through the connecting plate and can move up and down relative to the connecting plate;

the lower part of the conductive needle is fixed with a second spring, and the top end of the second spring is fixed at the bottom of the connecting plate.

5. The backlight detection device according to claim 4, wherein:

the elastic probe further comprises a stop block;

the lower part of the conductive needle is fixed with a stop block, the top of the stop block is fixed with a second spring, and the top end of the second spring is fixed at the bottom of the connecting plate.

6. The backlight detection apparatus according to claim 1, wherein:

the top of tool has the first constant head tank that is used for the location backlight and is used for the second constant head tank of location winding displacement, and first constant head tank and second constant head tank intercommunication.

7. The backlight detection apparatus according to claim 1, wherein:

the top wall of the jig is flush with the top wall of the placing table.