Liquid cooling plate of liquid cooling equipment

Abstract

The present invention relates to the technical field of liquid cooling equipment, and discloses a liquid cooling plate of a liquid cooling equipment, including an upper plate and a lower plate, the upper plate and the lower plate are both provided with a serpentine cooling groove on the opposite side, the outer walls of the upper plate and the lower plate are both integrally fixedly connected with a fixed frame plate, a plurality of U-shaped clamping plates are clamped on the outer sides of the upper and lower fixed frame plates, the U-shaped clamping plates and the fixed frame plates are fixedly connected by a plurality of fixing bolts, the upper end of the upper plate is symmetrically fixedly connected with a liquid inlet cylinder and a liquid outlet cylinder, the upper end of the liquid inlet cylinder is fixedly connected with a connecting screw barrel, the inner thread of the connecting screw barrel is sleeved with a fixing screw barrel, the upper end of the fixing screw barrel is fixedly connected with a liquid inlet pipe, the outer thread of the liquid outlet cylinder is sleeved with a positioning screw barrel, and the upper end of the positioning screw barrel is fixedly connected with a liquid outlet pipe. The liquid cooling plate of the liquid cooling equipment has the advantages of saving costs while ensuring the high-speed cooling performance of the coolant, and can realize the advantages of rapid disassembly and assembly between the upper plate and the lower plate, which is convenient for cleaning, maintenance and use.

Description

Technical Field

[0001] The invention relates to the technical field of liquid cooling equipment, in particular to a liquid cooling plate of a liquid cooling equipment. Background Art

[0002] With the continuous consumption of non-renewable resources and the increasing prominence of environmental problems, lithium-ion batteries have developed rapidly in recent years. Currently, multiple lithium-ion batteries are usually used in battery modules. However, lithium-ion batteries are secondary batteries and will generate a lot of heat during use. Therefore, in order to avoid thermal runaway of lithium-ion batteries, battery modules are usually equipped with heat dissipation components to cool the lithium-ion batteries.

[0003] In the prior art, liquid cooling has become a trend in battery modules due to its high heat dissipation efficiency. However, the pipeline design of the liquid cooling device is relatively complex and the volume is relatively large, which affects the performance of the battery module. In addition, adding liquid cooling pipes to the liquid cooling plate affects the liquid cooling efficiency and is not convenient for practical use. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a liquid cooling plate of a liquid cooling device, which has the advantages of saving costs while ensuring the high-speed cooling performance of the coolant, and can realize rapid disassembly and assembly between the upper plate and the lower plate, which is convenient for cleaning, maintenance and use. It solves the problem that liquid cooling has the characteristic of high heat dissipation efficiency and its application in battery modules has become a trend, but the pipeline design of the liquid cooling device is relatively complex and the volume is relatively large, which affects the performance of the battery module, and adding liquid cooling pipes in the liquid cooling plate affects the liquid cooling efficiency, which is not convenient for actual use.

[0005] In order to achieve cost saving while ensuring the high-speed cooling performance of the coolant, and to achieve quick disassembly and assembly between the upper plate and the lower plate, so as to facilitate cleaning, maintenance and use, the present invention provides the following technical scheme: a liquid cooling plate of a liquid cooling device, comprising an upper plate and a lower plate, wherein the upper plate and the lower plate are each provided with a serpentine cooling groove on one side facing each other, wherein the outer walls of the upper plate and the lower plate are integrally fixedly connected with a fixed frame plate, and the upper and lower fixed frame plates are externally clamped with a plurality of U-shaped clamping plates, wherein the U-shaped clamping plate and the fixed frame plate are fixedly connected by a plurality of fixing bolts, and the upper end of the upper plate is symmetrically fixedly connected with a liquid inlet cylinder and a liquid outlet cylinder, the upper end of the liquid inlet cylinder is fixedly connected with a connecting screw barrel, the inner thread of the connecting screw barrel is sleeved with a fixing screw barrel, the upper end of the fixing screw barrel is fixedly connected with a liquid inlet pipe, the outer thread of the liquid outlet cylinder is sleeved with a positioning screw barrel, and the upper end of the positioning screw barrel is fixedly connected with a liquid outlet pipe.

[0006] Preferably, the lower end of the upper plate is fixedly connected to an annular sealing block located outside the serpentine cooling groove, the upper end of the lower plate is provided with an annular sealing groove matching and plugged with the annular sealing block, and the outer wall of the annular sealing block is covered with a layer of sealing rubber pad.

[0007] Preferably, a wedge-shaped clamping block is fixedly connected to the outer wall of the fixed frame plate, and a dovetail clamping groove matching and clamping with the wedge-shaped clamping block is formed on the inner side wall of the U-shaped clamping plate.

[0008] Preferably, an annular baffle is fixedly connected to the lower end of the liquid inlet pipe, and an annular baffle groove matching and plugging with the annular baffle is formed at the upper end of the connecting screw barrel.

[0009] Preferably, the upper end wall of the connecting screw is symmetrically rotatably connected with two clamping rods, the rod wall of the clamping rod is provided with a clamping groove, the lower end wall of the liquid inlet pipe is symmetrically fixedly connected with two clamping blocks which are sleeved in the clamping groove, the upper end of the clamping rod is provided with a socket and a limit rod is movably inserted in the socket, the upper end of the clamping block is provided with a limit socket corresponding to the limit rod, the upper end of the limit rod is fixedly connected with a pull plate, the lower end of the pull plate and the upper end of the clamping rod are fixedly connected with the same limit spring which is sleeved outside the limit rod.

[0010] Preferably, the outer wall of the lower end of the positioning screw barrel is fixedly sleeved with an outward expansion plate, the surface of the outward expansion plate is evenly provided with a plurality of annularly distributed insertion holes and positioning rods are movably inserted in the insertion holes, the upper end of the upper plate is provided with a plurality of positioning slots corresponding to the positioning rods, the upper ends of the plurality of positioning rods are fixedly connected with the same annular pull plate, the lower end of the annular pull plate and the upper end of the outward expansion plate are fixedly connected with a plurality of positioning springs, and the plurality of positioning springs are respectively sleeved outside the plurality of positioning rods.

[0011] Preferably, the lower ends of the liquid inlet cylinder and the liquid outlet cylinder both penetrate and extend into the serpentine cooling groove.

[0012] Preferably, the inner side wall of the serpentine cooling groove is fixedly coated with a graphite heat dissipation layer.

[0013] Preferably, the serpentine cooling grooves on the surfaces of the upper plate and the lower plate are of equal shape and size and are arranged to fit closely to each other.

[0014] Compared with the prior art, the present invention provides a liquid cooling plate of a liquid cooling device, which has the following beneficial effects:

[0015] The two serpentine cooling grooves are arranged to form the entire serpentine cooling channel, and then the U-shaped clamping plate is pressed onto the outside of the fixed frame plate through the matching clamping action of the wedge-shaped clamping block and the dovetail clamping groove, so as to realize the quick connection of the upper plate and the lower plate, and the liquid inlet pipe and the liquid inlet pipe are quickly connected together through the threaded connection action of the connecting screw barrel and the fixed screw barrel, and then the liquid outlet pipe and the liquid outlet pipe are quickly connected together through the threaded connection action of the positioning screw barrel and the liquid outlet pipe, the liquid inlet pipe transports the coolant into the serpentine cooling groove, and then draws it out through the liquid outlet pipe, so that a fast cooling flow liquid is formed in the serpentine cooling groove, the cooling efficiency is guaranteed, and no extra cooling pipe is required, the cost is saved, and the high-speed cooling performance of the coolant is guaranteed, and the quick disassembly and assembly between the upper plate and the lower plate can be realized, which is convenient for cleaning, maintenance and use.

[0016] 2. The liquid cooling plate of the liquid cooling equipment is provided with a clamping rod. After the connecting screw barrel and the fixed screw barrel are connected, the clamping rod is rotated so that the clamping groove on the side wall of the clamping rod is clamped outside the clamping block. At this time, the limit rod is aligned with the limit socket, and the limit spring pulls down the pull plate. The pull plate pushes the limit rod into the limit socket to achieve a quick and stable connection between the liquid inlet cylinder and the liquid inlet pipe, thereby improving the structural stability.

[0017] 3. The liquid cooling plate of the liquid cooling equipment, through the outer expansion plate provided, utilizes the threaded connection effect of the liquid outlet tube and the positioning screw barrel. At this time, the outer expansion plate is against the upper side of the upper plate. At this time, the positioning rod is aligned with the positioning slot, and the positioning spring pulls down the annular pull plate. The annular pull plate pushes the positioning rod into the positioning slot, which can realize the stable limitation of the positioning screw barrel and improve the stability of the connection structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the structure of a liquid cooling plate of a liquid cooling device proposed by the present invention;

[0019] Figure 2 A liquid cooling plate for a liquid cooling device proposed by the present invention Figure 1 A magnified view of the local structure of the middle A part;

[0020] Figure 3 A liquid cooling plate for a liquid cooling device proposed by the present invention Figure 1 A magnified view of the local structure of the middle B part;

[0021] Figure 4 This is a schematic diagram of the top structure of the lower plate of a liquid cooling plate of a liquid cooling device proposed by the present invention.

[0022] In the figure: 1 upper plate, 2 lower plate, 3 serpentine cooling groove, 4 fixed frame plate, 5 U-shaped clamping plate, 6 liquid inlet cylinder, 7 liquid outlet cylinder, 8 connecting screw cylinder, 9 fixed screw cylinder, 10 liquid inlet pipe, 11 positioning screw cylinder, 12 liquid outlet pipe, 13 annular sealing block, 14 annular sealing groove, 15 wedge-shaped clamping block, 16 dovetail clamping groove, 17 clamping rod, 18 clamping groove, 19 clamping block, 20 limit plug rod, 21 limit plug hole, 22 pull plate, 23 limit spring, 24 expansion plate, 25 positioning plug rod, 26 positioning slot, 27 annular pull plate, 28 positioning spring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] See also Figure 1-4 A liquid cooling plate of a liquid cooling device comprises an upper plate 1 and a lower plate 2, and serpentine cooling grooves 3 are provided on opposite sides of the upper plate 1 and the lower plate 2. The outer walls of the upper plate 1 and the lower plate 2 are integrally fixedly connected with a fixed frame plate 4, and a plurality of U-shaped clamping plates 5 are clamped on the outer sides of the upper and lower fixed frame plates 4. The U-shaped clamping plates 5 and the fixed frame plates 4 are fixedly connected by a plurality of fixing bolts. The upper end of the upper plate 1 is symmetrically fixedly connected with a liquid inlet cylinder 6 and a liquid outlet cylinder 7, and the upper end of the liquid inlet cylinder 6 is fixedly connected with a connecting screw barrel 8, and the connecting screw barrel 8 is internally threadedly sleeved with a fixing screw barrel 9, and the upper end of the fixing screw barrel 9 is fixedly connected with a liquid inlet pipe 10, and the liquid outlet cylinder 7 is externally threadedly sleeved with a positioning screw barrel 11, and the upper end of the positioning screw barrel 11 is fixedly connected with a liquid outlet pipe 12.

[0025] The lower end of the upper plate 1 is fixedly connected to an annular sealing block 13 located outside the serpentine cooling groove 3, and the upper end of the lower plate 2 is provided with an annular sealing groove 14 that matches and plugs into the annular sealing block 13. The outer wall of the annular sealing block 13 is covered with a layer of sealing rubber pad.

[0026] A wedge-shaped clamping block 15 is fixedly connected to the outer wall of the fixed frame plate 4 , and a dovetail clamping groove 16 matching and clamping with the wedge-shaped clamping block 15 is formed on the inner side wall of the U-shaped clamping plate 5 .

[0027] The lower end of the liquid inlet pipe 10 is fixedly connected with an annular baffle, and the upper end of the connecting screw barrel 8 is provided with an annular baffle groove which matches and plugs with the annular baffle.

[0028] The upper end wall of the connecting screw barrel 8 is symmetrically connected to two clamping rods 17 for rotation, and the rod wall of the clamping rod 17 is provided with a clamping groove 18. The lower end wall of the liquid inlet pipe 10 is symmetrically fixedly connected to two clamping blocks 19 which are clamped in the clamping groove 18. The upper end of the clamping rod 17 is provided with a socket and a limit plug 20 is movably inserted in the socket. The upper end of the clamping block 19 is provided with a limit socket 21 corresponding to the limit plug 20. The upper end of the limit plug 20 is fixedly connected to a pull plate 22, and the lower end of the pull plate 22 and the upper end of the clamping rod 17 are fixedly connected to a limit spring 23 which is sleeved on the outside of the limit plug 20.

[0029] The outer wall of the lower end of the positioning screw barrel 11 is fixedly sleeved with an outward expansion plate 24, and a plurality of annularly distributed insertion holes are evenly opened on the surface of the outward expansion plate 24, and positioning rods 25 are movably inserted in the insertion holes. The upper end of the upper plate 1 is provided with a plurality of positioning slots 26 corresponding to the positioning rods 25, and the upper ends of the plurality of positioning rods 25 are fixedly connected with the same annular pull plate 27, and the lower end of the annular pull plate 27 and the upper end of the outward expansion plate 24 are fixedly connected with a plurality of positioning springs 28, and the plurality of positioning springs 28 are respectively sleeved outside the plurality of positioning rods 25.

[0030] The lower ends of the liquid inlet cylinder 6 and the liquid outlet cylinder 7 both penetrate and extend into the serpentine cooling groove 3 .

[0031] The inner wall of the serpentine cooling groove 3 is fixedly coated with a graphite heat dissipation layer.

[0032] The serpentine cooling grooves 3 on the surfaces of the upper plate 1 and the lower plate 2 are of equal shape and size and are closely fitted to each other.

[0033] In summary, the liquid cooling plate of the liquid cooling equipment is provided with an upper plate 1 and a lower plate 2, and the upper plate 1 and the lower plate 2 are quickly and accurately sealed and connected together by utilizing the cooperation of the annular sealing block 13 and the annular sealing groove 14. The two serpentine cooling grooves 3 are arranged in abutment to form the entire serpentine cooling channel, and then the U-shaped clamping plate 5 is crimped onto the outside of the fixed frame plate 4 by the matching clamping action of the wedge-shaped clamping block 15 and the dovetail clamping groove 16, so as to realize the quick connection of the upper plate 1 and the lower plate 2, and the liquid inlet pipe 10 and the liquid inlet cylinder 6 are quickly connected together by the threaded connection action of the connecting screw barrel 8 and the fixed screw barrel 9, and then the liquid outlet cylinder 7 and the liquid outlet pipe 12 are quickly connected together by the threaded connection action of the positioning screw barrel 11 and the liquid outlet cylinder 7, the liquid inlet pipe 10 transports the coolant into the serpentine cooling groove 3, and then draws it out through the liquid outlet pipe 12, so that a fast cooling flow liquid is formed in the serpentine cooling groove 3, thereby ensuring the cooling efficiency, and no extra cooling pipes are required, thereby saving costs and ensuring the coolant. The high-speed cooling performance can be achieved, and the upper plate 1 and the lower plate 2 can be quickly disassembled and assembled, which is convenient for cleaning and maintenance. After the connecting screw barrel 8 and the fixed screw barrel 9 are connected, the clamping rod 17 is rotated so that the clamping groove 18 on the side wall of the clamping rod 17 is clamped outside the clamping block 19. At this time, the limit rod 20 is aligned with the limit hole 21, and the limit spring 23 pulls down the pull plate 22. The pull plate 22 pushes the limit rod 20 into the limit hole 21 to realize the liquid feeding cylinder 6 and The quick and stable connection between the liquid inlet pipe 10 improves the stability of the structure. Through the outer expansion plate 24, after utilizing the threaded connection between the liquid outlet tube 7 and the positioning screw barrel 11, the outer expansion plate 24 is abutted against the upper side of the upper plate 1. At this time, the positioning rod 25 is aligned with the positioning slot 26, and the positioning spring 28 pulls down the annular pull plate 27. The annular pull plate 27 pushes the positioning rod 25 into the positioning slot 26, which can achieve a stable limit on the positioning screw barrel 11 and improve the stability of the connection structure.

[0034] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A liquid cooling plate of a liquid cooling device, comprising an upper plate (1) and a lower plate (2), characterized in that: The upper plate (1) and the lower plate (2) are both provided with serpentine cooling grooves (3) on the opposite sides thereof; the outer walls of the upper plate (1) and the lower plate (2) are both integrally fixedly connected with a fixed frame plate (4); a plurality of U-shaped clamping plates (5) are clamped on the outer sides of the upper and lower fixed frame plates (4); the U-shaped clamping plates (5) and the fixed frame plates (4) are fixedly connected via a plurality of fixing bolts; the upper end of the upper plate (1) is symmetrically fixedly connected with a liquid inlet cylinder (6) and a liquid outlet cylinder (7); the upper end of the liquid inlet cylinder (6) is fixedly connected with a connecting screw cylinder (8); the connecting screw cylinder (8) is internally threadedly sleeved with a fixing screw cylinder (9); the upper end of the fixing screw cylinder (9) is fixedly connected with a liquid inlet pipe (10); the liquid outlet cylinder (7) is externally threadedly sleeved with a positioning screw cylinder (11); the upper end of the positioning screw cylinder (11) is fixedly connected with a liquid outlet pipe (12); The upper end wall of the connecting screw barrel (8) is symmetrically connected to two clamping rods (17), the rod wall of the clamping rod (17) is provided with a clamping groove (18), the lower end wall of the liquid inlet pipe (10) is symmetrically fixedly connected to two clamping blocks (19) which are clamped in the clamping groove (18), the upper end of the clamping rod (17) is provided with a plug hole and a limit plug rod (20) is movably inserted in the plug hole, the upper end of the clamping block (19) is provided with a limit plug hole (21) corresponding to the limit plug rod (20), the upper end of the limit plug rod (20) is fixedly connected to a pull plate (22), and the lower end of the pull plate (22) and the upper end of the clamping rod (17) are fixedly connected to a limit spring (23) sleeved outside the limit plug rod (20); The outer wall of the lower end of the positioning screw barrel (11) is fixedly sleeved with an outer expansion plate (24), the surface of the outer expansion plate (24) is evenly provided with a plurality of annularly distributed insertion holes, and positioning rods (25) are movably inserted into the insertion holes, the upper end of the upper plate (1) is provided with a plurality of positioning slots (26) corresponding to the positioning rods (25), the upper ends of the plurality of positioning rods (25) are fixedly connected to the same annular pull plate (27), the lower end of the annular pull plate (27) and the upper end of the outer expansion plate (24) are fixedly connected with a plurality of positioning springs (28), and the plurality of positioning springs (28) are respectively sleeved outside the plurality of positioning rods (25).

2. The liquid cooling plate of a liquid cooling device according to claim 1, characterized in that: The lower end of the upper plate (1) is fixedly connected to an annular sealing block (13) located outside the serpentine cooling groove (3), and the upper end of the lower plate (2) is provided with an annular sealing groove (14) that matches and plugs into the annular sealing block (13), and the outer wall of the annular sealing block (13) is covered with a layer of sealing rubber pad.

3. The liquid cooling plate of a liquid cooling device according to claim 1, characterized in that: The outer wall of the fixed frame plate (4) is fixedly connected with a wedge-shaped clamping block (15), and the inner side wall of the U-shaped clamping plate (5) is provided with a dovetail clamping groove (16) that matches and clamps with the wedge-shaped clamping block (15).

4. The liquid cooling plate of a liquid cooling device according to claim 1, characterized in that: The lower end of the liquid inlet pipe (10) is fixedly connected to an annular baffle, and the upper end of the connecting screw barrel (8) is provided with an annular baffle groove that matches and plugs into the annular baffle.

5. The liquid cooling plate of a liquid cooling device according to claim 1, characterized in that: The lower ends of the liquid inlet cylinder (6) and the liquid outlet cylinder (7) both penetrate and extend into the serpentine cooling groove (3).

6. The liquid cooling plate of a liquid cooling device according to claim 1, characterized in that: The inner side wall of the serpentine cooling groove (3) is fixedly coated with a graphite heat dissipation layer.

7. The liquid cooling plate of a liquid cooling device according to claim 1, characterized in that: The serpentine cooling grooves (3) on the surfaces of the upper plate (1) and the lower plate (2) are of equal shape and size and are arranged to fit closely to each other.

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