Universal lighting jig for FPC (Flexible Printed Circuit) backlight module

Abstract

The utility model relates to the technical field of lighting jigs, and discloses an FPC backlight module universal lighting jig which comprises a square workbench and a circuit board, the front end of the inner bottom wall of the square workbench is fixedly connected with a fixed beam, the rear side of the fixed beam is provided with a clamping assembly, the top wall of the fixed beam is fixedly connected with a carrier plate, and the carrier plate is fixedly connected with the circuit board. The rear side of the top wall of the carrier plate is fixedly connected with a null line conductive strip, the top wall of the null line conductive strip is fixedly connected with a plurality of conductive pull plates at equal intervals, the front side of the top wall of the carrier plate is fixedly connected with a live wire conductive strip, the middle part of the top wall of the carrier plate is fixedly connected with an insulation test plate, and the front and rear sides of the circuit board are fixedly provided with conductive flexible wires. According to the backlight module lighting device, the conductive disc at the live wire end on the front side is attached to the live wire conductive strip by controlling the clamping assembly, efficient and safe lighting of the backlight module is achieved, and meanwhile the risk of electric shock of operators is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of lighting fixtures, in particular to a universal lighting fixture for an FPC backlight module. Background Art

[0002] FPC backlight module refers to a flexible circuit board. This backlight module uses a flexible circuit board as a substrate, on which LED lamp beads, circuit driver chips and other necessary components are integrated. It is used to provide backlighting for liquid crystal displays, touch screens and display devices. At the same time, due to the characteristics of its flexible circuit board, it can be used in devices with limited space or that need to bend.

[0003] The FPC backlight module universal lighting fixture uses a controller to control the lighting and testing process of LED lamp beads, ensuring that the LED lamp beads operate at the correct current and frequency. It then integrates the lighting controller on the circuit board and the interface circuit board connected to the module for communicating with an external computer or control device, and recording test data or adjusting parameters.

[0004] When testing the FPC backlight module, the existing universal lighting fixture for FPC backlight modules needs to manually fix the neutral and live wire ends of the module on the neutral and live wires respectively. After the fixation is completed, the neutral and live wires are energized and the module is tested to see if it is qualified. Since the neutral and live wires need to be frequently powered on and off, it is easy for operators to develop muscle memory, resulting in the module being installed without turning off the power, which may cause electric shock accidents. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a universal lighting fixture for FPC backlight modules, which aims to improve the existing universal lighting fixture for FPC backlight modules. When testing the FPC backlight module, it is necessary to manually fix the neutral and live wire ends of the module on the neutral and live wires respectively. Since the neutral and live wires need to be frequently powered on and off, it is easy for the operator to develop muscle memory, resulting in the module being installed without powering off, thereby causing electric shock accidents.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a universal lighting fixture for an FPC backlight module, comprising a square workbench and a circuit board, the front end of the inner bottom wall of the square workbench is fixedly connected to a fixed beam, the rear side of the fixed beam is provided with a clamping assembly, the top wall of the fixed beam is fixedly connected to a carrier plate, the rear side of the top wall of the carrier plate is fixedly connected to a neutral conductive strip, the top wall of the neutral conductive strip is equidistantly fixedly connected with a plurality of conductive pull plates, the front side of the top wall of the carrier plate is fixedly connected to a live conductive strip, the middle part of the top wall of the carrier plate is fixedly connected to an insulating test board, the front and rear sides of the circuit board are fixedly installed with conductive soft wires, the front and rear ends of the two conductive soft wires are fixedly connected with conductive discs, the clamping assembly is used to clamp the conductive disc on the front side backwards and fit it into the live conductive strip, and the bottom end of the insulating test board is provided with a heat dissipation mechanism, which is used to dissipate heat for the insulating test board that works for a long time.

[0007] As a further description of the above technical solution:

[0008] The heat dissipation mechanism includes a heat conducting plate, the bottom wall of the heat conducting plate is fixedly connected with a plurality of heat sinks at equal intervals, the rear side of the inner bottom wall of the square workbench is fixedly connected with a liquid storage tank, a water pump is fixedly installed on the left side of the top wall of the liquid storage tank, the output end and the input end of the water pump are both connected with a water supply pipe, the middle part of the water supply pipe is connected with a heat conducting pipe, the heat conducting pipe runs through the interior of the plurality of heat sinks, a plurality of cooling holes are opened at equal intervals on the front and rear sides of the liquid storage tank, and cooling fans are fixedly installed on the inner walls of the plurality of cooling holes.

[0009] As a further description of the above technical solution:

[0010] The clamping assembly includes two rotating telescopic rods, a support rod is fixedly connected between the two adjacent rotating telescopic rods, a plurality of insulating pull plates are fixedly connected to the top wall of the support rod at equal intervals, and vertical slide plates are fixedly connected to the left and right sides of the inner bottom wall of the square workbench, and the left and right sides of the outer walls of the support rod are slidably connected to the inner walls of the two vertical slide plates.

[0011] As a further description of the above technical solution:

[0012] A protective plate is fixedly connected to the front side of the top wall of the carrier plate, and a plurality of anti-knock corners are fixedly connected to the top end of the front side of the square workbench.

[0013] As a further description of the above technical solution:

[0014] The top wall of the protective plate is fixedly connected to a console, and a plurality of control buttons are fixedly installed on the top wall of the console.

[0015] As a further description of the above technical solution:

[0016] The top ends of the left and right sides of the inner wall of the square workbench are both fixedly connected with fixed brackets, and the inner walls of the two fixed brackets are rotatably connected with spotlights.

[0017] As a further description of the above technical solution:

[0018] A plurality of test lamps are fixedly connected at equal intervals to the rear side of the inner wall of the square workbench, and the plurality of test lamps are electrically connected to the live conductive strip and the control console.

[0019] As a further description of the above technical solution:

[0020] The left and right ends of the support rod are both fixedly connected with two limiting rings, and the distance between the two limiting rings at the left end and the two limiting rings at the right end is equal to the width of the vertical slide plate.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the present invention, after the conductive disc at the rear neutral wire end is mounted on the rear side of the conductive pull plate, the clamping assembly is controlled to fit the conductive disc at the front live wire end with the live wire conductive strip, thereby ensuring the safety of the electrical connection and achieving efficient and safe lighting of the backlight module, while also greatly reducing the risk of electric shock to the operator.

[0023] 2. In the present invention, cooling water is supplied to the heat pipe by a water pump for circulation. Since the heat pipe runs through the inside of the heat sink, the heat on the heat sink is taken away by water convection, achieving efficient heat exchange, effectively solving the heat problem generated by the long-term operation of the insulation test board, ensuring the normal operation of the equipment and extending its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a three-dimensional diagram of a universal lighting fixture for an FPC backlight module proposed in the present utility model;

[0025] Figure 2 This is a front view of a universal lighting fixture for an FPC backlight module proposed in the present invention;

[0026] Figure 3 This is a top view of a universal lighting fixture carrier board for an FPC backlight module proposed in the present invention;

[0027] Figure 4 This is a structural breakdown diagram of a fixed beam of a universal lighting fixture for an FPC backlight module proposed in the present invention;

[0028] Figure 5 This is a structural schematic diagram of a heat pipe for a universal lighting fixture for an FPC backlight module proposed in the present invention.

[0029] Legend:

[0030] 1. Square workbench; 2. Heat dissipation mechanism; 201. Heat conducting plate; 202. Heat sink; 203. Liquid storage tank; 204. Water pump; 205. Water supply pipe; 206. Heat conducting pipe; 207. Cooling hole; 208. Cooling fan; 3. Fixed beam; 4. Rotating telescopic rod; 5. Support rod; 6. Insulating pull plate; 7. Vertical slide plate; 8. Carrier plate; 9. Neutral conductive strip; 10. Conductive pull plate; 11. Live conductive strip; 12. Insulation test board; 13. Circuit board; 14. Conductive soft wire; 15. Conductive disc; 16. Protective plate; 17. Anti-corner protection; 18. Control console; 19. Control button; 20. Fixed bracket; 21. Spotlight; 22. Test light; 23. Limiting ring. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] Reference Figure 2 、 Figure 3 and Figure 4 , the utility model provides an embodiment: a universal lighting fixture for an FPC backlight module, comprising a square workbench 1 and a circuit board 13, the front end of the inner bottom wall of the square workbench 1 is fixedly connected to a fixed beam 3, the rear side of the fixed beam 3 is provided with a clamping assembly, the top wall of the fixed beam 3 is fixedly connected to a carrier board 8, the rear side of the top wall of the carrier board 8 is fixedly connected to a neutral conductive strip 9, the top wall of the neutral conductive strip 9 is equidistantly fixedly connected to a plurality of conductive pull plates 10, the front side of the top wall of the carrier board 8 is fixedly connected to a live conductive strip 11, the middle part of the top wall of the carrier board 8 is fixedly connected to an insulation test board 12, the front and rear sides of the circuit board 13 are fixedly installed with conductive soft wires 14, the front and rear ends of the two conductive soft wires 14 are fixedly connected to conductive discs 15, the clamping assembly is used to clamp the front conductive disc 15 backwards and fit it into the live conductive strip 11, the bottom end of the insulation test board 12 is provided with a heat dissipation mechanism 2, the heat dissipation mechanism 2 is used to dissipate heat from the insulation test board 12 that works for a long time;

[0033] Specifically, a fixed beam 3 is fixedly connected to the front end of the bottom wall of the square workbench 1 to provide structural support for other components. A clamping component is installed on the rear side, so that the fixture can flexibly and firmly clamp the conductive soft wire 14 on the circuit board 13 to ensure the safety of electricity use during the test. The carrier board 8 is installed on the top wall, and the neutral wire conductive strip 9, the live wire conductive strip 11 and the insulation test board 12 are installed. A plurality of conductive pull plates 10 are fixedly connected to the neutral wire conductive strip 9 to clamp and fix the conductive disc 15 at one end of the neutral wire, and the live wire conductive strip 11 is responsible for providing the positive power connection required for the test. The insulation test board 12 is responsible for placing the circuit board 13 to prevent the potential risk of electrical short circuit during the test. Conductive soft wires 14 are fixedly installed on both sides, and the ends of the soft wires are fixedly connected with conductive discs 15. These conductive discs 15 are conductive ends for testing and can be conveniently mounted on the insulating pull plate 6 and the conductive pull plate 10, and the front conductive discs 15 are fitted with the live conductive strips 11 through the clamping assembly. In actual operation, the operator first needs to place the circuit board 13 on the insulating test board 12, and mount the rear conductive discs 15 on the corresponding conductive pull plate 10, and then start the clamping assembly to fit the front conductive discs 15 with the live conductive strips 11, ensuring the safety of the electrical connection and achieving efficient and safe lighting of the backlight module, while also greatly reducing the risk of electric shock for the operator.

[0034] Reference Figure 4 and Figure 5 The heat dissipation mechanism 2 includes a heat conducting plate 201, and a plurality of heat sinks 202 are fixedly connected to the bottom wall of the heat conducting plate 201 at equal intervals. A liquid storage tank 203 is fixedly connected to the rear side of the inner bottom wall of the square workbench 1. A water pump 204 is fixedly installed on the left side of the top wall of the liquid storage tank 203. The output and input ends of the water pump 204 are both connected to a water supply pipe 205. The middle part of the water supply pipe 205 is connected to a heat conducting pipe 206. The heat conducting pipe 206 runs through the interior of the plurality of heat sinks 202. A plurality of cooling holes 207 are equidistantly opened on the front and rear sides of the liquid storage tank 203. A cooling fan 208 is fixedly installed on the inner walls of the plurality of cooling holes 207.

[0035] Specifically, the heat generated by the test board 12 is quickly transferred to the heat sink 202 by the heat conducting plate 201 being in close contact with the test board 12 and utilizing its heat conduction performance. The heat sink 202 is fixed on the heat conducting plate 201 in an equidistant arrangement, thereby increasing the heat dissipation area and improving the heat dissipation efficiency. At the same time, a liquid storage tank 203 is installed on the bottom wall of the square workbench 1 as a water source. The cooling water circulates in the water supply pipe 205 through the water pump 204, and the heat conducting pipe 206 runs through the inside of the heat sink 202. The heat on the heat sink 202 is taken away by water convection. To achieve efficient heat exchange, multiple cooling holes 207 are opened inside the liquid storage tank 203, and a cooling fan 208 is installed in each cooling hole 207. When these cooling fans 208 are working, they can accelerate the heat dissipation effect of the liquid storage tank 203, take away the heat transferred by the heat pipe 206, and discharge it through the cooling holes 207, thereby keeping the liquid temperature in the liquid storage tank 203 relatively stable, ensuring the efficient operation of the water cooling cycle, and effectively solving the heat problem generated by the long-term operation of the insulation test board 12, ensuring the normal operation of the equipment and extending its service life.

[0036] Reference Figure 1 and Figure 4 The clamping assembly includes two rotating telescopic rods 4, a support rod 5 is fixedly connected between the adjacent two rotating telescopic rods 4, a plurality of insulating pull plates 6 are fixedly connected to the top wall of the support rod 5 at equal intervals, and vertical slide plates 7 are fixedly connected to the left and right sides of the inner bottom wall of the square workbench 1. The left and right sides of the outer walls of the support rod 5 are slidably connected to the inner walls of the two vertical slide plates 7;

[0037] Specifically, when the jig is working, the rotating telescopic rod 4 drives the support rod 5 to slide in the vertical slide plate 7, so that the insulating pull plate 6 can be moved precisely along the slope in the vertical slide plate 7, and the conductive disc 15 can be mounted on the front side of the insulating pull plate 6. The recessed part on the top of the insulating pull plate 6 allows the conductive soft wire 14 to pass through the insulating pull plate 6. After retracting forward a certain distance, the conductive disc 15 can be fitted with the live wire conductive strip 11 to achieve circuit connection and detection, thereby improving the safety of electricity use during the lighting process.

[0038] Reference Figure 1 and Figure 4 , a protective plate 16 is fixedly connected to the front side of the top wall of the carrier plate 8, and a plurality of anti-collision corners 17 are fixedly connected to the top of the front side of the square workbench 1; a console 18 is fixedly connected to the top wall of the protective plate 16, and a plurality of control buttons 19 are fixedly installed on the top wall of the console 18;

[0039] Specifically, the bottom of the protective plate 16 is a live wire conductive strip 11, so that the operator can place his elbows on the protective plate 16 during operation, and at the same time protect the operator during the lighting process, and protect the operator from electric shock injuries when a short circuit occurs. The anti-corner 17 prevents the edge of the square workbench 1 from colliding with hard objects during operation and causing damage. The console 18 is used to integrate multiple control buttons 19, and the multiple control buttons 19 on the top can control the clamping assembly, heat dissipation mechanism 2, spotlight 21 and test light 22.

[0040] Reference Figure 1 and Figure 4 The top ends of the left and right sides of the inner wall of the square workbench 1 are fixedly connected to fixed brackets 20, and the inner walls of the two fixed brackets 20 are rotatably connected to spotlights 21; a plurality of test lamps 22 are fixedly connected to the rear side of the inner wall of the square workbench 1 at equal intervals, and the plurality of test lamps 22 are electrically connected to the live conductive strip 11 and the console 18; the left and right ends of the support rod 5 are fixedly connected to two limiting rings 23, and the spacing between the two limiting rings 23 on the left end and the two limiting rings 23 on the right end is equal to the width of the vertical slide plate 7;

[0041] Specifically, the spotlight 21 connected by the fixed bracket 20 can rotate freely on its inner wall, and the angle of the spotlight 21 can be adjusted as needed to achieve the best lighting effect. The test light 22 is electrically connected to the live wire conductive strip 11 to measure whether the product is qualified. At the same time, the test light 22 is extinguished on the console 18. The limiting rings 23 at the left and right ends of the support rod 5 limit and fix the support rod 5. The spacing between the two limiting rings 23 is equal to the width of the vertical slide plate 7, so that the support rod 5 can slide stably in the vertical slide plate 7 without falling off.

[0042] Working principle: A fixed beam 3 is fixedly connected to the front end of the bottom wall of the square workbench 1 to provide structural support for other components. A clamping component is installed on its rear side, so that the fixture can flexibly and firmly clamp the conductive soft wire 14 on the circuit board 13 to ensure the safety of electricity use during the test. The carrier board 8 is installed on the top wall. The neutral wire conductive strip 9, the live wire conductive strip 11 and the insulation test board 12 are installed. A plurality of conductive pull plates 10 are fixedly connected to the neutral wire conductive strip 9 to clamp and fix the conductive disc 15 at one end of the neutral wire, and the live wire conductive strip 11 is responsible for providing the positive power connection required for the test. The insulation test board 12 is responsible for placing the circuit board 13 to prevent To reduce the potential risk of electrical short circuits, conductive flexible wires 14 are fixedly installed on the front and rear sides of the circuit board 13. The ends of the flexible wires are fixedly connected to conductive discs 15. These conductive discs 15 are conductive ends for testing and can be conveniently mounted on the insulating pull plate 6 and the conductive pull plate 10. The front conductive discs 15 are then fitted with the live conductive strips 11 through a clamping assembly. In actual operation, the operator first needs to place the circuit board 13 on the insulating test plate 12 and mount the rear conductive discs 15 on the corresponding conductive pull plate 10. Then, the clamping assembly is activated to fit the front conductive discs 15 with the live conductive strips 11, ensuring the safety of the electrical connection.

[0043] The heat conducting plate 201 is in close contact with the insulating test board 12, and its heat conduction performance is used to quickly conduct the heat generated by the test board to the heat sink 202. The heat sink 202 is fixed on the heat conducting plate 201 in an equidistant manner, which increases the heat dissipation area and improves the heat dissipation efficiency. At the same time, a liquid storage tank 203 is installed on the bottom wall of the square workbench 1 as a water source. The cooling water circulates in the water supply pipe 205 through the water pump 204, and the heat conducting pipe 206 runs through the inside of the heat sink 202. The heat on the heat sink 202 is taken away by water convection, thereby achieving efficient heat exchange. A plurality of cooling holes 207 are opened inside the liquid storage tank 203, and a cooling fan 208 is installed in each cooling hole 207. When these cooling fans 208 are working, they can accelerate the heat dissipation effect of the liquid storage tank 203, take away the heat transferred by the heat conducting pipe 206, and discharge it through the cooling hole 207, thereby keeping the liquid temperature in the liquid storage tank 203 relatively stable, ensuring the efficient operation of the water cooling cycle.

[0044] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A universal lighting fixture for an FPC backlight module, comprising a square workbench (1) and a circuit board (13), characterized in that: The front end of the inner bottom wall of the square workbench (1) is fixedly connected to a fixed beam (3), the rear side of the fixed beam (3) is provided with a clamping assembly, the top wall of the fixed beam (3) is fixedly connected to a carrier plate (8), the rear side of the top wall of the carrier plate (8) is fixedly connected to a neutral line conductive strip (9), the top wall of the neutral line conductive strip (9) is fixedly connected to a plurality of conductive pull plates (10) at equal intervals, the front side of the top wall of the carrier plate (8) is fixedly connected to a live line conductive strip (11), and the middle part of the top wall of the carrier plate (8) is fixedly connected to a live line conductive strip (11). An insulation test board (12) is connected, and conductive soft wires (14) are fixedly installed on the front and rear sides of the circuit board (13), and the front and rear ends of the two conductive soft wires (14) are fixedly connected to conductive discs (15). A clamping assembly is used to clamp the conductive discs (15) on the front side backward and fit them with the live wire conductive strip (11). A heat dissipation mechanism (2) is provided at the bottom end of the insulation test board (12), and the heat dissipation mechanism (2) is used to dissipate heat from the insulation test board (12) that works for a long time.

2. The universal lighting fixture for FPC backlight module according to claim 1, characterized in that: The heat dissipation mechanism (2) comprises a heat conducting plate (201), a bottom wall of the heat conducting plate (201) is fixedly connected to a plurality of heat sinks (202) at equal intervals, a liquid storage tank (203) is fixedly connected to the rear side of the inner bottom wall of the square workbench (1), a water pump (204) is fixedly installed on the left side of the top wall of the liquid storage tank (203), the output end and the input end of the water pump (204) are both connected to a water supply pipe (205), the middle part of the water supply pipe (205) is connected to a heat conducting pipe (206), the heat conducting pipe (206) runs through the interior of the plurality of heat sinks (202), a plurality of cooling holes (207) are equidistantly opened on the front and rear sides of the liquid storage tank (203), and a cooling fan (208) is fixedly installed on the inner walls of the plurality of cooling holes (207).

3. The universal lighting fixture for FPC backlight module according to claim 1, characterized in that: The clamping assembly comprises two rotating telescopic rods (4), a support rod (5) is fixedly connected between the two adjacent rotating telescopic rods (4), a plurality of insulating pull plates (6) are fixedly connected to the top wall of the support rod (5) at equal intervals, and vertical slide plates (7) are fixedly connected to the left and right sides of the inner bottom wall of the square workbench (1), and the left and right sides of the outer wall of the support rod (5) are slidably connected to the inner walls of the two vertical slide plates (7).

4. The universal lighting fixture for FPC backlight module according to claim 1, characterized in that: A protective plate (16) is fixedly connected to the front side of the top wall of the carrier plate (8), and a plurality of anti-knock corners (17) are fixedly connected to the top end of the front side of the square workbench (1).

5. The universal lighting fixture for FPC backlight module according to claim 4, characterized in that: The top wall of the protective plate (16) is fixedly connected to a console (18), and a plurality of control buttons (19) are fixedly mounted on the top wall of the console (18).

6. The universal lighting fixture for FPC backlight module according to claim 1, characterized in that: The top ends of the left and right sides of the inner wall of the square workbench (1) are both fixedly connected to fixed brackets (20), and the inner walls of the two fixed brackets (20) are both rotatably connected to spotlights (21).

7. The universal lighting fixture for FPC backlight module according to claim 1, characterized in that: A plurality of test lamps (22) are fixedly connected at equal intervals to the rear side of the inner wall of the square workbench (1), and the plurality of test lamps (22) are electrically connected to the live conductive strip (11) and the control console (18).

8. The universal lighting fixture for FPC backlight module according to claim 3, characterized in that: The left and right ends of the support rod (5) are both fixedly connected to two limiting rings (23), and the spacing between the two limiting rings (23) at the left end and the two limiting rings (23) at the right end is equal to the width of the vertical chute plate (7).

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