LED backlight brightness detection device

Abstract

The utility model relates to the technical field of fixing supports, in particular to an LED backlight brightness detection device. The detection device comprises a detection workbench, a fixing device is arranged outside the detection workbench, the fixing device comprises a servo motor, the outside of the servo motor is fixedly connected with the detection workbench, and the output end of the servo motor is fixedly connected with a bidirectional threaded rod. The arc surface of the bidirectional threaded rod is rotatably connected with two fixed transverse plates, one sides of the two fixed transverse plates are fixedly connected with the detection workbench, the arc surface of the bidirectional threaded rod is in threaded connection with an internal threaded sleeve, and the arc surface of the internal threaded sleeve is fixedly connected with a connecting plate; the two ends of the connecting plate are each fixedly connected with two fixing vertical plates. The problems that a traditional LED backlight brightness detection device can only position LED backlights with specific specifications and sizes, so that the LED backlights with different specifications and sizes cannot be positioned, and the practicability of the detection device is reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of fixed brackets, in particular to a LED backlight source brightness detection device. Background Art

[0002] LED backlight refers to the use of LED (light emitting diode) as the backlight source of the LCD display.

[0003] The conventional LED backlight brightness detection device in the prior art can only locate LED backlights of a specific size, which results in the inability to locate LED backlights of different sizes, thus reducing the practicality of the detection device. Utility Model Content

[0004] The utility model aims to solve the disadvantage that the conventional LED backlight source brightness detection device in the prior art can only locate LED backlight sources of specific specifications and sizes, and proposes an LED backlight source brightness detection device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a LED backlight brightness detection device, including a detection workbench, a fixing device is provided on the outside of the detection workbench, the fixing device includes a servo motor, the outside of the servo motor is fixedly connected to the detection workbench, the output end of the servo motor is fixedly connected with a bidirectional threaded rod, the arc surface of the bidirectional threaded rod is rotatably connected to two fixed horizontal plates, one side of the two fixed horizontal plates is fixedly connected to the detection workbench, the arc surface of the bidirectional threaded rod is threadedly connected with an internal threaded sleeve, the arc surface of the internal threaded sleeve is fixedly connected with a connecting plate, both ends of the connecting plate are fixedly connected with two fixed vertical plates, one side of the two fixed vertical plates close to each other is fixedly connected with a fixed plate, the two fixed plates are fixedly connected with two elastic sheets on one end of the two elastic sheets, and the two sides of the two anti-slip plates are fixedly connected with an anti-slip pad on the close side of the two anti-slip plates.

[0006] The effects achieved by the above components are: the servo motor starting output end drives the bidirectional threaded rod to rotate, the bidirectional threaded rod drives the internal threaded sleeve to move in the direction of moving away from or approaching each other, the movement of the internal threaded sleeve drives the connecting plate to move, the connecting plate drives the fixed vertical plate to move, the fixed vertical plate drives the fixed plate to move, the fixed plate drives the elastic sheet to move, and the elastic sheet drives the abutment plate to move, so that the anti-slip pad moves in the direction of moving away from or approaching each other.

[0007] Preferably, the arc surface of the bidirectional threaded rod is rotatably connected to a support plate, and one side of the support plate is fixedly connected to the detection workbench.

[0008] The effect achieved by the above components is that the support plate prevents the bidirectional threaded rod from deforming during the rotation process.

[0009] Preferably, two round rods are fixedly connected to both sides of the support plate, one end of the two round rods is fixedly connected to the fixed transverse plate, and the arc surfaces of the two round rods are slidably connected to the connecting plate.

[0010] The effect achieved by the above components is: the effect of the connecting plate sliding on the round rod is achieved.

[0011] Preferably, a telescopic rod is fixedly connected to one side of the fixing plate, and an output end of the telescopic rod is fixedly connected to the abutment plate.

[0012] The effect achieved by the above components is that the movement of the abutment plate drives the telescopic rod to extend and retract.

[0013] Preferably, one side of the fixed vertical plate is slidably connected to a sliding rod, and both ends of the four sliding rods are fixedly connected to the detection workbench.

[0014] The effect achieved by the above components is: the effect of sliding the fixed vertical plate on the sliding rod is achieved

[0015] Preferably, a protective device is provided on the outside of the detection workbench, and the protective device includes two guide U-shaped plates, and one side of the two guide U-shaped plates is fixedly connected to the detection workbench.

[0016] The effects achieved by the above components are: achieving the effect of fixing the guide U-shaped plate and the detection workbench.

[0017] Preferably, one end of the two guide U-shaped plates is fixedly connected to a base plate, the sides of the two base plates close to each other are fixedly connected to the detection workbench, and the sides of the two guide U-shaped plates close to each other are slidably connected to two rotating rods.

[0018] The effects achieved by the above components are: the bottom plate is fixed to the guide U-shaped plate and the detection workbench, and the rotating rod slides on the guide U-shaped plate.

[0019] Preferably, both ends of the rotating rod are fixedly connected to limit blocks, and the arc surface of the rotating rod is rotatably connected to an L-shaped shielding plate.

[0020] The effect achieved by the above components is: the L-shaped shielding plate is rotated on the rotating rod.

[0021] Preferably, a groove is provided on one side of the L-shaped shielding plate.

[0022] The effect achieved by the above components is: a pull groove is provided on the L-shaped shielding plate, and the L-shaped shielding plate can be easily moved by pulling the pull groove.

[0023] In summary, the beneficial effects of the utility model are:

[0024] In the utility model, when the LED backlight source to be detected needs to be detected and fixed, the anti-skid pads move in directions away from or close to each other, and the movable anti-skid pads clamp and fix LED backlight sources of different specifications. The fixing device solves the problem that the traditional LED backlight source brightness detection device can only locate LED backlight sources of specific specifications and sizes.

[0025] In the utility model, through the protective device, when the LED backlight brightness detection device is not in use and it is necessary to prevent dust in the air from accumulating on the device, the L-shaped shielding plate rotates around the rotating rod and moves toward the direction close to the detection workbench, so that the L-shaped shielding plate covers the surface of the detection workbench. Through the protective device, the problem of the traditional LED backlight brightness detection device that when the LED backlight brightness detection device is not in use, dust in the air will accumulate on the surface of the LED backlight brightness detection device is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0027] Figure 2 It is a structural schematic diagram of the fixed structure of the utility model;

[0028] Figure 3 It is a partial structural schematic diagram of the three-dimensional structure of the utility model;

[0029] Figure 4 It is a structural schematic diagram of the protective structure of the utility model.

[0030] Legend: 1. Inspection workbench; 2. Fixing device; 201. Servo motor; 202. Bidirectional threaded rod; 203. Internal threaded sleeve; 204. Connecting plate; 205. Fixed vertical plate; 206. Fixed plate; 207. Elastic sheet; 208. Telescopic rod; 209. Abutment plate; 210. Anti-slip pad; 211. Sliding rod; 212. Fixed horizontal plate; 213. Support plate; 214. Round rod; 3. Protective device; 31. Guide U-shaped plate; 32. Rotating rod; 33. Limit block; 34. L-shaped shielding plate; 35. Groove; 36. Bottom plate. DETAILED DESCRIPTION

[0031] Reference Figure 1 and Figure 3 As shown, the utility model provides a technical solution: a device for detecting brightness of an LED backlight source, comprising a detection workbench 1, a fixing device 2 is provided outside the detection workbench 1, and a protective device 3 is provided outside the detection workbench 1.

[0032] The specific configuration and functions of the fixing device 2 and the protective device 3 are described in detail below.

[0033] Reference Figure 2 As shown, in this embodiment: the fixing device 2 includes a servo motor 201, the outside of the servo motor 201 is fixedly connected to the detection workbench 1, the output end of the servo motor 201 is fixedly connected with a bidirectional threaded rod 202, the arc surface of the bidirectional threaded rod 202 is rotatably connected to two fixed horizontal plates 212, one side of the two fixed horizontal plates 212 is fixedly connected to the detection workbench 1, the arc surface of the bidirectional threaded rod 202 is threadedly connected with an internal threaded sleeve 203, the arc surface of the internal threaded sleeve 203 is fixedly connected with a connecting plate 204, both ends of the connecting plate 204 are fixedly connected with two fixed vertical plates 205, one side of the two fixed vertical plates 205 close to each other is fixedly connected with a fixed plate 206, one side of the two fixed plates 206 close to each other is fixedly connected with two elastic sheets 207, one end of the two elastic sheets 207 is fixedly connected with a resist plate 209, and one side of the two resist plates 209 close to each other is fixedly connected with an anti-slip pad 210. The output end of the servo motor 201 is started to drive the bidirectional threaded rod 202 to rotate, the bidirectional threaded rod 202 drives the internal threaded sleeve 203 to move in a direction away from or close to each other, the movement of the internal threaded sleeve 203 drives the connecting plate 204 to move, the connecting plate 204 drives the fixed vertical plate 205 to move, the fixed vertical plate 205 drives the fixed plate 206 to move, the fixed plate 206 drives the elastic sheet 207 to move, and the elastic sheet 207 drives the abutment plate 209 to move, so that the anti-slip pad 210 moves in a direction away from or close to each other. The circular arc surface of the bidirectional threaded rod 202 is rotatably connected with the support plate 213, and one side of the support plate 213 is fixedly connected to the detection workbench 1. The support plate 213 prevents the bidirectional threaded rod 202 from deforming during the rotation process. Both sides of the support plate 213 are fixedly connected to two round rods 214, one end of the two round rods 214 is fixedly connected to the fixed horizontal plate 212, and the circular arc surfaces of the two round rods 214 are slidably connected to the connecting plate 204. The effect of the connecting plate 204 sliding on the round rod 214 is achieved. A telescopic rod 208 is fixedly connected to one side of the fixed plate 206, and the output end of the telescopic rod 208 is fixedly connected to the abutment plate 209. The effect of the abutment plate 209 moving to drive the telescopic rod 208 to extend and retract is achieved. A sliding rod 211 is slidably connected to one side of the fixed vertical plate 205, and the two ends of the four sliding rods 211 are fixedly connected to the detection workbench 1. The effect of the fixed vertical plate 205 sliding on the sliding rod 211 is achieved.

[0034] Reference Figure 4As shown, in this embodiment: the protective device 3 includes two guide U-shaped plates 31, and one side of the two guide U-shaped plates 31 is fixedly connected to the detection workbench 1. The effect of fixing the guide U-shaped plates 31 and the detection workbench 1 is achieved. One end of the two guide U-shaped plates 31 is fixedly connected with a bottom plate 36, and the side of the two bottom plates 36 close to each other is fixedly connected to the detection workbench 1, and the side of the two guide U-shaped plates 31 close to each other is slidably connected to two rotating rods 32. The effect of fixing the bottom plate 36 to the guide U-shaped plate 31 and the detection workbench 1, and the rotating rod 32 sliding on the guide U-shaped plate 31 is achieved. Both ends of the rotating rod 32 are fixedly connected to the limiting blocks 33, and the arc surface of the rotating rod 32 is rotatably connected with the L-shaped shielding plate 34. The effect of the L-shaped shielding plate 34 rotating on the rotating rod 32 is achieved. A groove 35 is provided on one side of the L-shaped shielding plate 34. The pull groove 35 is provided on the L-shaped shielding plate 34 , and the L-shaped shielding plate 34 can be easily moved by pulling the pull groove 35 .

[0035] Working principle: through the fixing device 2, when the LED backlight source to be detected needs to be detected and fixed, the operator first starts the servo motor 201, and the output end of the servo motor 201 drives the bidirectional threaded rod 202 to rotate, and the bidirectional threaded rod 202 drives the internal threaded sleeve 203 to move in the direction of moving away from or approaching each other, and the movement of the internal threaded sleeve 203 drives the connecting plate 204 to move, and the connecting plate 204 drives the fixed vertical plate 205 to move, and the fixed vertical plate 205 drives the fixed plate 206 to move, and the fixed plate 206 drives the elastic sheet 207 to move, and the elastic sheet 207 drives the abutment plate 209 to move, so that the anti-skid pad 210 moves in the direction of moving away from or approaching each other, and the movable anti-skid pad 210 clamps and fixes LED backlight sources of different specifications. Through the fixing device 2, the problem of the traditional LED backlight brightness detection device that can only locate LED backlight sources of specific specifications and sizes is solved, resulting in the inability to locate LED backlight sources of different specifications and sizes, which reduces the practicality of the detection device.

[0036] Through the protective device 3, when the LED backlight brightness detection device is not in use and it is necessary to prevent dust in the air from accumulating on the device, the operator first moves the limit block 33 in the direction close to the detection workbench 1, and the limit block 33 drives the rotating rod 32 to move on the guide U-shaped plate 31, and the rotating rod 32 drives the L-shaped baffle plate 34 to move. After the rotating rod 32 moves to a certain limit, the L-shaped baffle plate 34 is rotated around the rotating rod 32 as the center and moved in the direction close to the detection workbench 1, so that the L-shaped baffle plate 34 covers the surface of the detection workbench 1. Through the protective device 3, the problem of the traditional LED backlight brightness detection device that the LED backlight brightness detection device is not in use and the dust in the air will accumulate on the surface of the LED backlight brightness detection device is solved.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

Claims

1. A LED backlight brightness detection device, comprising a detection workbench (1), characterized in that: The detection workbench (1) is provided with a fixing device (2) on the outside, the fixing device (2) comprising a servo motor (201), the outside of the servo motor (201) being fixedly connected to the detection workbench (1), the output end of the servo motor (201) being fixedly connected to a bidirectional threaded rod (202), the circular arc surface of the bidirectional threaded rod (202) being rotatably connected to two fixed transverse plates (212), one side of the two fixed transverse plates (212) being fixedly connected to the detection workbench (1), the circular arc surface of the bidirectional threaded rod (202) being threadedly connected to an internally threaded sleeve (202). 3), the arc surface of the internal threaded sleeve (203) is fixedly connected with a connecting plate (204), both ends of the connecting plate (204) are fixedly connected with two fixed vertical plates (205), the two fixed vertical plates (205) are fixedly connected with a fixing plate (206) on one side close to each other, the two fixed plates (206) are fixedly connected with two elastic sheets (207) on one side close to each other, one end of the two elastic sheets (207) is fixedly connected with a butt plate (209), and the two butt plates (209) are fixedly connected with an anti-slip pad (210) on one side close to each other.

2. The LED backlight source brightness detection device according to claim 1, characterized in that: The arc surface of the bidirectional threaded rod (202) is rotatably connected to a support plate (213), and one side of the support plate (213) is fixedly connected to the detection workbench (1).

3. The LED backlight source brightness detection device according to claim 2, characterized in that: Two round rods (214) are fixedly connected to both sides of the support plate (213), one end of the two round rods (214) is fixedly connected to the fixed transverse plate (212), and the arc surfaces of the two round rods (214) are slidably connected to the connecting plate (204).

4. The LED backlight brightness detection device according to claim 2, characterized in that: A telescopic rod (208) is fixedly connected to one side of the fixed plate (206), and an output end of the telescopic rod (208) is fixedly connected to a stop plate (209).

5. The LED backlight brightness detection device according to claim 1, characterized in that: A sliding rod (211) is slidably connected to one side of the fixed vertical plate (205), and two ends of the four sliding rods (211) are fixedly connected to the detection workbench (1).

6. The LED backlight source brightness detection device according to claim 1, characterized in that: A protective device (3) is provided on the outside of the detection workbench (1), and the protective device (3) comprises two guide U-shaped plates (31), one side of the two guide U-shaped plates (31) is fixedly connected to the detection workbench (1).

7. The LED backlight brightness detection device according to claim 6, characterized in that: One end of the two guide U-shaped plates (31) is fixedly connected to a bottom plate (36), the sides of the two bottom plates (36) close to each other are fixedly connected to the detection workbench (1), and the sides of the two guide U-shaped plates (31) close to each other are slidably connected to two rotating rods (32).

8. The LED backlight brightness detection device according to claim 7, characterized in that: Both ends of the rotating rod (32) are fixedly connected to limit blocks (33), and the arc surface of the rotating rod (32) is rotatably connected to an L-shaped shielding plate (34).

9. The LED backlight brightness detection device according to claim 8, characterized in that: A groove (35) is provided on one side of the L-shaped shielding plate (34).

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