CN220153850U

CN220153850U - LED backlight detection device

Info

Publication number: CN220153850U
Application number: CN202321505219.8U
Authority: CN
Inventors: 王振峰
Original assignee: Yamashing Electronics Shenzhen Co ltd
Current assignee: Yamashing Electronics Shenzhen Co ltd
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2023-12-08
Anticipated expiration: 2033-06-13

Abstract

The utility model relates to the technical field of backlight detection, and discloses an LED backlight detection device which comprises a detection table, wherein a detection groove is formed in the top of the detection table, a backlight body is arranged in the detection groove, detection limit mechanisms are arranged on two sides of the top of the detection table, positioning mechanisms are arranged on two sides of the detection table, and the detection limit mechanisms comprise pressing plates. According to the utility model, the protection cover is arranged, so that the rubber suction cup is conveniently protected, the height of the rubber suction cup is conveniently adjusted through the cooperation of the knob, the second screw, the mounting plate and the guide rod, and when the detection device is required to be fixed, the rubber suction cup can be moved out of the protection cover and lifted upwards, the protection cover is pressed at the moment, and the rubber suction cup is adsorbed on a station of the detection device, so that the detection device is conveniently fixed, the stability of the device in use is further improved, and the situation that the detection device is displaced or rocked due to collision is avoided.

Description

LED backlight detection device

Technical Field

The utility model relates to the technical field of backlight detection, in particular to an LED backlight detection device.

Background

The development of backlights can be traced to the second combat phase. The microminiature tungsten lamp was used at that time as a backlight for aircraft instrumentation. This is the initial stage of backlight development. Over half a century of development, backlights have become an electronic independent discipline and have evolved into research and development hotspots. A backlight is a light source located behind a liquid crystal display, and its luminous effect directly affects the visual effect of the liquid crystal display module. The liquid crystal display itself does not emit light, it displays graphics or it is the result of modulating light. When the backlight source is produced and leaves the factory, the backlight source needs to be detected, and the good light emitting effect of the backlight source is ensured.

For example, chinese patent application No. CN202122742895.4 discloses a detection device for producing an LED backlight, which comprises a base, the base is provided with a chute, the base is provided with a thread groove, the chute is communicated with the thread groove, the inside sliding connection of chute has a slider, the upper end fixedly connected with sleeve of slider, the inside sliding connection of sleeve has a bracing piece, the lower extreme fixedly connected with supporting bottom of bracing piece. According to the LED backlight source detection device, the threaded rod is arranged, and the first clamping plate and the second clamping plate can fix the LED backlight source through rotating the threaded rod, so that the LED backlight source can be effectively prevented from shaking during detection, and the problem that the existing LED backlight source production detection device is inconvenient to fix during detection of the LED backlight source is solved.

This a detection device for LED backlight production improves the back to the product, can carry out the centre gripping to the LED backlight of different specifications and fix, but when detection device is in use, its own lack fixed mechanism for detection device's steadiness is not high itself, if receive the collision when using, can make detection device produce the condition of displacement or rocking on detecting the station, influences detection device's use.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides an LED backlight detection device, so as to solve the above-mentioned problems in the prior art.

The utility model provides the following technical scheme: the utility model provides a LED backlight detection device, includes the detection platform, the detection groove has been seted up at the top of detection platform, the inside of detection groove is equipped with the backlight body, the both sides at detection platform top are equipped with detects stop gear, the both sides of detection platform are equipped with positioning mechanism.

The detection limiting mechanism comprises two pressing plates, wherein the two pressing plates are positioned on two sides above the backlight source body, the two pressing plates are fixedly connected with rubber cushions at the bottoms of the pressing plates, the two lifting plates are fixedly connected with the tops of the pressing plates, the two lifting plates are fixedly connected with lifting blocks at one sides of the lifting plates.

The positioning mechanism comprises two protective covers, wherein the two protective covers are symmetrically and fixedly connected to two sides of the detection table, the two protective covers are internally provided with mounting plates, and the bottoms of the mounting plates are fixedly connected with a plurality of rubber suction cups.

Further, the both sides fixedly connected with mount at test bench top, the quantity of mount is two, two the equal fixed mounting in top of mount has synchronous motor, synchronous motor's output extends to the inner chamber and the fixedly connected with lead screw of mount, the bottom of lead screw rotates the bottom of connecting at the mount inner chamber.

Further, the outer wall of lifting block cup joints in the inside top of mount in the slip, the internal thread of lifting block cup joints in the outer wall of lead screw, the bottom fixedly connected with rubber slipmat of detecting groove inner chamber, the bottom overlap joint of backlight body is at the top of rubber slipmat.

Further, two equal screw thread in middle part at protection casing top has cup jointed No. two screws, no. two screw's top fixedly connected with knob, no. two screw's bottom extends to the inside of protection casing and fixed connection at the middle part at mounting panel top.

Further, the four corners of mounting panel has slidingly been cup jointed the guide bar, the top fixed connection of guide bar is at the top of protection casing inner chamber, the bottom fixed connection of guide bar is in the bottom of protection casing inner chamber.

Further, the back of backlight body installs conductive connection, the middle part screw thread at test bench back has cup jointed a screw rod, the one end of a screw rod extends to the inner chamber of detection groove and rotates and be connected with the fin, the positive fixed mounting of fin has the circular telegram to connect, the circular telegram connects the back that is located conductive connection, the both sides at the fin back articulate there is the articulated connecting rod, the one end of articulated connecting rod articulates the inner wall at the detection groove.

The utility model has the technical effects and advantages that:

1. according to the utility model, the protection cover is arranged, so that the rubber suction cup is conveniently protected, the height of the rubber suction cup is conveniently adjusted through the cooperation of the knob, the second screw, the mounting plate and the guide rod, and when the detection device is required to be fixed, the rubber suction cup can be moved out of the protection cover and lifted upwards, the protection cover is pressed at the moment, and the rubber suction cup is adsorbed on a station of the detection device, so that the detection device is conveniently fixed, the stability of the device in use is further improved, and the situation that the detection device is displaced or rocked due to collision is avoided.

2. According to the utility model, the fixing frame, the synchronous motor, the screw rod, the lifting block, the lifting plate, the pressing plate, the rubber soft cushion and the rubber anti-slip pad are arranged to be matched, so that the pressing plate and the rubber soft cushion are conveniently driven to vertically downwards press on two sides of the top of the backlight body, the backlight is conveniently and subsequently detected, meanwhile, the backlight is protected through the soft elasticity of the rubber soft cushion, and the situation that the backlight is damaged due to overlarge pressing force of the pressing plate is prevented.

Drawings

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

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

Fig. 3 is a schematic cross-sectional view of the structure of the fixing frame of the present utility model.

Fig. 4 is a schematic cross-sectional view of a side structure of a protective cover according to the present utility model.

The reference numerals are: 1. a detection table; 11. a detection groove; 2. detecting a limiting mechanism; 3. a positioning mechanism; 4. a backlight body; 5. a conductive contact; 6. a first screw; 7. a tab; 8. a hinged connecting rod; 9. electrifying the joint; 21. a fixing frame; 22. a synchronous motor; 23. a screw rod; 24. a lifting block; 25. a lifting plate; 26. a pressing plate; 27. a rubber cushion; 28. a rubber anti-slip pad; 31. a protective cover; 32. a knob; 33. a second screw; 34. a mounting plate; 35. a rubber suction cup; 36. a guide rod.

Detailed Description

The embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the present utility model, and the configurations of the structures described in the following embodiments are merely examples, and the LED backlight detection device according to the present utility model is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making any creative effort are within the scope of the present utility model.

Embodiment one:

as shown in fig. 1-4, an LED backlight detection device, including detecting platform 1, detecting groove 11 has been seted up at the top of detecting platform 1, detecting groove 11's inside is equipped with backlight body 4, detecting platform 1's both sides are equipped with positioning mechanism 3, positioning mechanism 3 is including protection casing 31, the quantity of protection casing 31 is two, two protection casing 31 symmetry fixed connection is in detecting platform 1's both sides, the inside of two protection casings 31 all is equipped with mounting panel 34, the bottom fixedly connected with of mounting panel 34 a plurality of rubber suction cups 35, the equal screw thread in middle part at two protection casing 31 tops has cup jointed No. two screw rods 33, the top fixedly connected with knob 32 of No. two screw rods 33, the bottom of No. two screw rods 33 extends to the inside of protection casing 31 and fixedly connected with the middle part at the mounting panel 34 top, the four corners sliding of mounting panel 34 has cup jointed guide bar 36, the top fixedly connected with at the top of protection casing 31 inner chamber, the bottom fixedly connected with bottom at the guide bar 36.

In this embodiment, through the cooperation of knob 32 and No. two screw rods 33, the staff is convenient to adjust the position of mounting panel 34 and rubber sucking disc 35, and carry out vertical guidance to mounting panel 34 and rubber sucking disc 35 through guide bar 36, can make rubber sucking disc 35 steadily shift out the inside of protection casing 31, through exerting pressure to rubber sucking disc 35 this moment, can make rubber sucking disc 35 adsorb on detecting the station, and then fix detecting table 1, the convenience is follow-up detects the backlight, when need not use rubber sucking disc 35 to fix the device, but reverse rotation No. two screw rods 33, and drive rubber sucking disc 35 to remove to the inside of protection casing 31 with the same mode, can protect rubber sucking disc 35.

Embodiment two:

as shown in fig. 1-4, two sides at the top of the detection platform 1 are provided with detection limiting mechanisms 2, the detection limiting mechanisms 2 comprise pressing plates 26, the number of the pressing plates 26 is two, the two pressing plates 26 are located at two sides above the backlight source body 4, the bottoms of the two pressing plates 26 are fixedly connected with rubber cushions 27, the tops of the two pressing plates 26 are fixedly connected with lifting plates 25, the number of the lifting plates 25 is two, one sides of the two lifting plates 25 are fixedly connected with lifting blocks 24, two sides at the top of the detection platform 1 are fixedly connected with fixing frames 21, the number of the fixing frames 21 is two, the tops of the two fixing frames 21 are fixedly provided with synchronous motors 22, the output ends of the synchronous motors 22 extend to the inner cavity of the fixing frames 21 and are fixedly connected with screw rods 23, the bottom ends of the screw rods 23 are rotatably connected to the bottom of the inner cavity of the fixing frames 21, the outer walls of the lifting blocks 24 are in sliding sleeved on the inner sides of the fixing frames 21, the inner threads of the lifting blocks 24 are sleeved on the outer walls of the screw rods 23, the bottom of the inner cavity of the detection groove 11 is fixedly connected with rubber pads 28, and the bottom of the backlight source body 4 is in lap joint with the top of the rubber pads 28.

In this embodiment, the anti-slip performance of the backlight source in the detection groove 11 is increased by the arrangement of the rubber anti-slip pad 28, and the heights of the lifting plate 25, the pressing plate 26 and the rubber cushion 27 are convenient to adjust by the cooperation of the synchronous motor 22, the screw rod 23 and the lifting block 24, so that the pressing plate 26 is pressed downwards on the top of the backlight source, and the backlight source is protected by the soft elasticity of the rubber cushion 27.

Embodiment III:

as shown in fig. 1-4, the back of the backlight body 4 is provided with a conductive joint 5, the middle thread of the back of the detection table 1 is sleeved with a first screw rod 6, one end of the first screw rod 6 extends to the inner cavity of the detection groove 11 and is rotationally connected with a regulating plate 7, the front of the regulating plate 7 is fixedly provided with an electrifying joint 9, the electrifying joint 9 is positioned on the back of the conductive joint 5, two sides of the back of the regulating plate 7 are hinged with hinged connecting rods 8, and one end of each hinged connecting rod 8 is hinged to the inner wall of the detection groove 11.

In this embodiment, through the cooperation of screw rod 6, fin 7 and articulated connecting rod 8, make things convenient for the staff to remove circular telegram and connect 9 for circular telegram connects 9 and contacts with the conductive connection 5 of backlight, and circular telegram connects 9 to be connected with outside constant voltage power supply through the wire, shines after the circular telegram of good backlight body 4, makes whether be convenient for detect the backlight and can normally give out light after the circular telegram.

To sum up, as shown in fig. 1-4, when the LED backlight detection device is used, firstly, the knob 32 and the second screw 33 above the two protection covers 31 are rotated, so that the second screw 33 rotates at the top of the mounting plate 34, and drives the mounting plate 34 to move at the outer wall of the guide rod 36, meanwhile, the rubber suction cup 35 moves out of the protection cover 31, and the device is lifted up, a worker presses the two protection covers 31 downwards, and transmits pressure to the rubber suction cup 35, so that the rubber suction cup 35 is adsorbed on a station of the detection device, and then the detection device is fixed, then the backlight body 4 is placed above the rubber anti-slip pad 28 inside the detection groove 11, and the synchronous motor 22 at the top of the two fixing frames 21 drives the screw 23 to rotate in the lifting block 24, so that the lifting block 24 is driven to vertically slide in the inside the fixing frames 21, and simultaneously drives the lifting plate 25, the pressing plate 26 and the rubber cushion 27 to move downwards, and then the device is lifted up, the worker can fix the backlight in the detection groove 11, and then rotate the first screw 6, and drive the adjusting plate 7 and the hinged connecting plate 7 to the movable connecting plate 7 to the backlight body.

The last points to be described are: first, in the description of the present utility model, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The LED backlight source detection device comprises a detection table (1), and is characterized in that a detection groove (11) is formed in the top of the detection table (1), a backlight source body (4) is arranged in the detection groove (11), detection limiting mechanisms (2) are arranged on two sides of the top of the detection table (1), and positioning mechanisms (3) are arranged on two sides of the detection table (1);

the detection limiting mechanism (2) comprises two pressing plates (26), wherein the number of the pressing plates (26) is two, the two pressing plates (26) are positioned on two sides above the backlight source body (4), rubber cushions (27) are fixedly connected to the bottoms of the two pressing plates (26), lifting plates (25) are fixedly connected to the tops of the two pressing plates (26), the number of the lifting plates (25) is two, and lifting blocks (24) are fixedly connected to one sides of the two lifting plates (25);

the positioning mechanism (3) comprises two protective covers (31), wherein the protective covers (31) are symmetrically and fixedly connected to two sides of the detection table (1), mounting plates (34) are arranged in the protective covers (31), and a plurality of rubber suction cups (35) are fixedly connected to the bottoms of the mounting plates (34).

2. The LED backlight detection device of claim 1, wherein: the utility model discloses a test bench, including test bench, both sides fixedly connected with mount (21) at (1) top, the quantity of mount (21) is two, two equal fixed mounting in top of mount (21) synchronous motor (22), the output of synchronous motor (22) extends to the inner chamber and the fixedly connected with lead screw (23) of mount (21), the bottom of lead screw (23) rotates the bottom of connecting in the inner chamber of mount (21).

3. The LED backlight detection device of claim 1, wherein: the outer wall of lifting block (24) slides and cup joints in the inside top of mount (21), the inside screw thread of lifting block (24) cup joints in the outer wall of lead screw (23), the bottom fixedly connected with rubber slipmat (28) of detecting groove (11) inner chamber, the bottom overlap joint of backlight body (4) is at the top of rubber slipmat (28).

4. The LED backlight detection device of claim 1, wherein: the middle parts at the tops of the two protective covers (31) are respectively in threaded sleeve joint with a second screw rod (33), a knob (32) is fixedly connected to the top end of the second screw rod (33), and the bottom end of the second screw rod (33) extends to the inside of the protective cover (31) and is fixedly connected to the middle part at the top of the mounting plate (34).

5. The LED backlight detection device of claim 1, wherein: the four corners of mounting panel (34) slip cup joint guide bar (36), the top fixed connection of guide bar (36) is at the top of protection casing (31) inner chamber, the bottom fixed connection of guide bar (36) is in the bottom of protection casing (31) inner chamber.

6. The LED backlight detection device of claim 1, wherein: the back of the backlight body (4) is provided with a conductive connector (5), a first screw (6) is sleeved on the middle thread on the back of the detection table (1), one end of the first screw (6) extends to the inner cavity of the detection groove (11) and is rotationally connected with a regulating sheet (7), the front of the regulating sheet (7) is fixedly provided with an electrifying connector (9), the electrifying connector (9) is located the back of the conductive connector (5), two sides of the back of the regulating sheet (7) are hinged with a hinged connecting rod (8), and one end of the hinged connecting rod (8) is hinged to the inner wall of the detection groove (11).