Liquid cooling circuit board

Abstract

The utility model relates to a liquid cooling circuit board. The front side and the rear side in a locking groove are provided with inserting grooves which are used for being matched with a fixing device to fix a water cooling plate at the bottom end of the circuit board. The top end of the water cooling plate is provided with a water cooling channel facilitating flowing of cooling liquid in the cooling device in the water cooling plate, and the top end of the water cooling plate is fixedly provided with a fixing block used for being inserted into the locking groove. A driving assembly used for controlling the two fixing assemblies to be inserted into the inserting grooves is arranged in the water cooling plate. Two bolts are unscrewed and taken down from an operation plate, then a movable column is controlled to move downwards through the operation plate, a cross-shaped adjusting plate is made to be far away from two limiting plates, at the moment, a spring in a compressed state can drive the two limiting plates to be close to each other, a locking rod can be taken out from two inserting grooves, and at the moment, a fixing block can be taken out from a locking groove; and the water cooling plate can be detached from the bottom end of the circuit board, so that the blocked part in the water cooling channel can be dredged conveniently, and the water cooling plate can be reused conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of circuit board, especially to a liquid cooling circuit board. BACKGROUND

[0002] Circuit board generally refers to the circuit board, usually as the carrier of electronic components electrical connection, the circuit board in the use process because of the electronic components power consumption forms the heat on the circuit board, needs to carry out the heat dissipation treatment, prevents the electronic components temperature excessively high influence circuit board's use, the heat dissipation treatment can be divided into air cooling and liquid cooling, liquid cooling heat dissipation relatively speaking heat dissipation effect is better. For example the liquid cooling circuit board shown in Chinese patent application No. CN202420544596.0, the lower end of the circuit board is provided with the first copper plate, the lower side of the circuit board is provided with the water tank, one end of the water tank is fixedly connected with the first water flow pipe, one end of the first water flow pipe is fixedly connected with the water pump, and the utility model further comprises a cooling mechanism; the cooling mechanism comprises a water cooling plate arranged at the lower end of the first copper plate, the water cooling plate is internally provided with a cooling pipe, one end of the cooling pipe is provided with a water outlet groove, the cooling pipe is fixedly connected with a first outflow pipe through the lower end of the water outlet groove, the other end of the cooling pipe is provided with a water inlet groove, and the cooling pipe is fixedly connected with an inflow pipe through the lower end of the water inlet groove.

[0003] However, when the water pump is used to control the liquid cooling in the water cooling plate to cool the circuit board, since the water cooling plate and the circuit board are fixedly connected, when the cooling pipe in the water cooling plate is blocked and dredged, the water cooling plate needs to be removed from the circuit board, which can easily cause damage to the circuit board. SUMMARY

[0004] To solve the problem of the above background technology that since the water cooling plate and the circuit board are fixedly connected, when the cooling pipe in the water cooling plate is blocked and dredged, the water cooling plate needs to be removed from the circuit board, which can easily cause damage to the circuit board, the utility model provides the following technical scheme: a liquid cooling circuit board, comprising a circuit board, a water cooling plate arranged at the bottom end of the circuit board, a cooling device arranged at the bottom end of the water cooling plate for cooling the circuit board, and a fixing device arranged in the water cooling plate for fixing the water cooling plate at the bottom end of the circuit board.

[0005] The bottom end of the circuit board is provided with four locking grooves, and the grooves are provided with plug-in grooves on the front and rear sides for cooperating with the fixing device to fix the water cooling plate at the bottom end of the circuit board.

[0006] The top end of the water cooling plate is provided with a water cooling channel for facilitating the flow of cooling liquid in the cooling device in the water cooling plate, and the top end of the water cooling plate is fixedly provided with a fixing block for being inserted into the locking groove.

[0007] The fixing device comprises fixing assemblies arranged in the fixing block for being inserted into the slots to fix the water-cooling plate at the bottom end of the circuit board, and the fixing assemblies are two, and the water-cooling plate is provided with a driving assembly for controlling the two fixing assemblies to be inserted into the slots.

[0008] Further, the fixing assembly comprises a locking rod arranged in the fixing block for being telescoped, one end of the locking rod close to the driving assembly is fixedly installed with a limiting plate for limiting the locking rod from being separated from the fixing block, and a spring for controlling the locking rod to be inserted into the slot is sleeved on the rod body of the locking rod.

[0009] Further, the driving assembly comprises a moving column arranged in the water-cooling plate for moving up and down, the top end of the moving column is fixedly installed with an adjusting plate for driving the two limiting plates to move in opposite directions, the bottom end of the moving column is fixedly installed with an operating plate for driving the moving column to move up and down, and the plate body of the operating plate is provided with a bolt for locking the operating plate.

[0010] Further, the bottom end of the water-cooling channel is provided with an input port for being communicated with the cooling device, and the bottom end of the water-cooling channel is provided with a discharge port.

[0011] Further, the cooling device comprises a water-cooling tank fixedly installed at the bottom end of the water-cooling plate for refrigerating the cooling liquid, the front end of the water-cooling tank is fixedly installed with a water flow pipe three for being communicated with the discharge port, the left end of the water-cooling tank is provided with a water flow pipe one, the left end of the water flow pipe one is fixedly installed with a micro water pump for extracting the cooling liquid in the water-cooling tank, and the front end of the micro water pump is provided with a water flow pipe two for being communicated with the input port.

[0012] Further, the top end of the circuit board is provided with a chip, the top end of the circuit board is provided with four through holes, and the four through holes are arranged in a rectangular array at the four corners of the circuit board.

[0013] Compared with the prior art, the fixing assembly and the driving assembly are arranged, so that when the water-cooling plate needs to be detached from the bottom end of the circuit board, the two bolts can be unscrewed from the operating plate, the moving column is controlled to move downward by the operating plate, the cross-shaped adjusting plate is away from the two limiting plates, the spring in the compressed state can drive the two limiting plates to be close to each other, the locking rod can be taken out from the two slots, the fixing block can be taken out from the locking slot, and the water-cooling plate can be detached from the bottom end of the circuit board, so that the blockage in the water-cooling channel can be dredged, and the water-cooling plate can be reused conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model.

[0015] Figure 2 It is the circuit board plan view of the utility model;

[0016] Figure 3 It is the circuit board bottom view of the utility model;

[0017] Figure 4 It is the water cooling plate structure schematic view of the utility model;

[0018] Figure 5 It is the water cooling plate plan view of the utility model;

[0019] Figure 6 It is the cold liquid device structure schematic view of the utility model;

[0020] Figure 7 It is the fixed device structure schematic view of the utility model.

[0021] In the drawing, the component name list represented by each figure mark is as follows: 100-circuit board, 101-chip, 102-via, 103-locking groove, 104-slot; 200-water cooling plate, 201-water cooling channel, 202-fixing block, 203-input port, 204-outlet; 300-cold liquid device, 310-water cooling tank, 320-water flow pipe one, 330-micro water pump, 340-water flow pipe two, 350-water flow pipe three; 400-fixed device, 410-fixed assembly, 411-limiting plate, 412-spring, 413-locking rod, 420-driving assembly, 421-moving column, 422-adjusting plate, 423-operating plate, 424-bolt. DETAILED DESCRIPTION

[0022] The preferred specific embodiment for realizing the utility model is described in detail below, and clear and complete description is made in conjunction with the drawings.

[0023] Please refer to Figures 1-7 The utility model provides a kind of liquid cooling circuit board.

[0024] Including circuit board 100, the bottom end of circuit board 100 is provided with water cooling plate 200, the bottom end of water cooling plate 200 is provided with cooling device 300 for cooling circuit board 100, water cooling plate 200 is provided with fixed device 400 for fixing water cooling plate 200 in the bottom end of circuit board 100.

[0025] The top end of the circuit board 100 is provided with a chip 101, the top end of the circuit board 100 is provided with a through hole 102, and the through hole 102 has four, four through holes 102 are arranged in a rectangular array at the four corners of the circuit board 100, so as to facilitate the fixation of the circuit board 100 on the required equipment by penetrating four through holes 102 with four fixing screws; the bottom end of the circuit board 100 is provided with a locking groove 103, and the locking groove 103 has four, the locking groove 103 is provided with a slot 104 on the front and rear sides of the groove for cooperating with the fixing device 400 to fix the water cooling plate 200 on the bottom end of the circuit board 100.

[0026] The top end of the water cooling plate 200 is provided with a water cooling channel 201 for facilitating the flow of cooling liquid in the cooling device 300 in the water cooling plate 200, and the water cooling channel 201 is in a Z shape, so as to facilitate the flow of cooling liquid in the cooling device 300 in the Z-shaped water cooling channel 201, so as to realize the liquid cooling of the circuit board 100, prevent the damage of the circuit board 100 and the chip 101 due to temperature overload; the top end of the water cooling plate 200 is fixedly provided with a fixing block 202 for being inserted into the locking groove 103, and the fixing block 202 has four, four fixing blocks 202 are arranged in a rectangular array at the top four corners of the water cooling plate 200, so that the four fixing blocks 202 on the water cooling plate 200 can be inserted into the locking groove 103, and the water cooling plate 200 and the circuit board 100 can be fixed by the fixing device 400.

[0027] The bottom end of the water cooling channel 201 is provided with an input port 203 for communicating with the cooling device 300, and the bottom end of the water cooling channel 201 is provided with an outlet 204.

[0028] The cooling device 300 comprises a water cooling box 310 fixedly installed at the bottom end of the water cooling plate 200 for refrigerating the cooling liquid, the water cooling box 310 is provided with a cooling plate, so as to facilitate the cooling of the cooling liquid with high temperature in the water cooling channel 201 and store in the water cooling box 310, and the water cooling box 310 is provided with a liquid adding port, so as to facilitate the addition of cooling liquid to the water cooling box 310; the front end of the water cooling box 310 is fixedly provided with a water flow pipe three 350 for communicating with the outlet 204, and the left end of the water cooling box 310 is provided with a water flow pipe one 320.

[0029] The left end of the water flow pipe 320 is fixedly provided with a micro water pump 330 for extracting the cooling liquid in the water cooling tank 310. The front end of the micro water pump 330 is provided with a water flow pipe two 340 for communicating with the input port 203. Thus, when the micro water pump 330 works, the cooling liquid in the water cooling tank 310 can be transported into the water cooling channel 201 along the water flow pipe two 340 and the input port 203. At the same time, the cooling liquid can flow in the Z-shaped water cooling channel 201 and be fully cooled and recovered into the water cooling tank 310 along the outlet 204. When the cooling liquid in the water cooling channel 201 flows through the inside of the water cooling channel 201, the water absorbing heat flows from the outlet 204 of the water cooling channel 201 into the water cooling tank 310. Compared with the traditional air cooling, the circuit board 100 and the chip 101 can be efficiently cooled, preventing the circuit board 100 and the chip 101 from being damaged due to temperature overload.

[0030] The fixing device 400 includes fixing assemblies 410 arranged in the fixing block 202 for being inserted into the slots 104 to fix the water cooling plate 200 at the bottom end of the circuit board 100. The fixing assemblies 410 are two and symmetrically arranged in the fixing block 202. The water cooling plate 200 is provided with a driving assembly 420 for controlling the two fixing assemblies 410 to be inserted into the slots 104.

[0031] The fixing assembly 410 includes a locking rod 413 arranged in the fixing block 202 for being extended and retracted. The end of the locking rod 413 close to the driving assembly 420 is fixedly provided with a limiting plate 411 for limiting the locking rod 413 from being separated from the fixing block 202. The width of the limiting plate 411 is smaller than the width of the cavity of the fixing block 202.

[0032] The driving assembly 420 includes a moving column 421 arranged in the water cooling plate 200 for moving up and down. The top end of the moving column 421 is fixedly provided with an adjusting plate 422 for driving the two limiting plates 411 to move in opposite directions. The adjusting plate 422 is cross-shaped, so that the two fixing assemblies 410 can be controlled to be inserted into the slots 104 by moving the adjusting plate 422 up and down, and the water cooling plate 200 can be fixed in the circuit board 100.

[0033] The bottom end of the moving column 421 is fixedly provided with an operation plate 423 for driving the moving column 421 to move up and down, and the operation plate 423 is embedded in the bottom end of the water cooling plate 200; the plate body of the operation plate 423 is provided with two bolts 424 for locking the operation plate 423, and the two bolts 424 are symmetrically arranged on the operation plate 423, so that when it is needed to disassemble the water cooling plate 200 from the bottom end of the circuit board 100, the two bolts 424 can be unscrewed from the operation plate 423, and then the moving column 421 is controlled to move downward through the operation plate 423, so that the cross-shaped adjusting plate 422 is away from the two limiting plates 411, at this time, the springs 412 in the compressed state can drive the two limiting plates 411 to be close to each other, and then the locking rod 413 can be taken out from the two insertion grooves 104, at this time, the fixed block 202 can be taken out from the locking groove 103, and then the water cooling plate 200 can be disassembled from the bottom end of the circuit board 100, so that the blockage in the water cooling channel 201 can be dredged, and then the water cooling plate 200 can be conveniently reused.

[0034] Based on the above content and the drawings, those skilled in the art can understand and implement the present application. In addition, any non-creative modification of the present application made by those skilled in the art without creative labor still falls within the protection scope of the present application.

Claims

1. A liquid-cooled wiring board comprising a wiring board (100), characterized by: The bottom end of the circuit board (100) is provided with a water-cooled plate (200), the bottom end of the water-cooled plate (200) is provided with a cooling device (300) for cooling the circuit board (100), the water-cooled plate (200) is provided with a fixing device (400) for fixing the water-cooled plate (200) on the bottom end of the circuit board (100); the bottom end of the circuit board (100) is provided with four locking grooves (103), the locking grooves (103) are provided with two insertion grooves (104) on the front and back sides of the groove for cooperating with the fixing device (400) to fix the water-cooled plate (200) on the bottom end of the circuit board (100); the top end of the water-cooled plate (200) is provided with a water-cooled channel (201) for facilitating the flow of the cooling liquid in the cooling device (300) in the water-cooled plate (200), and the top end of the water-cooled plate (200) is fixedly provided with a fixing block (202) for being inserted into the locking groove (103); the fixing device (400) comprises a fixing assembly (410) provided in the fixing block (202) for being inserted into the insertion groove (104) to fix the water-cooled plate (200) on the bottom end of the circuit board (100), and the fixing assembly (410) has two, and the water-cooled plate (200) is provided with a driving assembly (420) for controlling the two fixing assemblies (410) to be inserted into the insertion groove (104).

2. The liquid-cooled circuit board of claim 1, wherein: The fixing assembly (410) comprises a locking rod (413) provided in the fixing block (202) for expansion and contraction, one end of the locking rod (413) close to the driving assembly (420) is fixedly provided with a limiting plate (411) for limiting the locking rod (413) from being separated from the fixing block (202), and a spring (412) is sleeved on the rod body of the locking rod (413) for controlling the locking rod (413) to be inserted into the insertion groove (104).

3. The liquid-cooled circuit board of claim 2, wherein: The driving assembly (420) comprises a moving column (421) provided in the water-cooled plate (200) for moving up and down, the top end of the moving column (421) is fixedly provided with an adjusting plate (422) for driving the two limiting plates (411) to move in opposite directions, the bottom end of the moving column (421) is fixedly provided with an operating plate (423) for driving the moving column (421) to move up and down, and the plate body of the operating plate (423) is provided with a bolt (424) for locking the operating plate (423).

4. The liquid-cooled circuit board of claim 1, wherein: The bottom end of the water-cooled channel (201) is provided with an input port (203) for being communicated with the cooling device (300), and the bottom end of the water-cooled channel (201) is provided with an exhaust port (204).

5. The liquid-cooled circuit board of claim 4, wherein: The cooling device (300) comprises a water cooling box (310) fixedly installed at the bottom end of the water cooling plate (200) for refrigerating the cooling liquid, a water flow pipe three (350) for being communicated with the discharge port (204) is fixedly installed at the front end of the water cooling box (310), a water flow pipe one (320) is arranged at the left end of the water cooling box (310), a micro water pump (330) for extracting the cooling liquid in the water cooling box (310) is fixedly installed at the left end of the water flow pipe one (320), and a water flow pipe two (340) for being communicated with the input port (203) is arranged at the front end of the micro water pump (330).

6. The liquid-cooled circuit board of claim 1, wherein: The top end of the circuit board (100) is provided with a chip (101), and the top end of the circuit board (100) is provided with four through holes (102) arranged in a rectangular array at four corners of the circuit board (100).

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