Sealing structure of water cooling plate of power battery

Abstract

The utility model discloses a sealing structure of a water cooling plate of a power battery, and relates to the technical field of power batteries. The power battery water-cooling plate sealing structure comprises a water-cooling plate, a connecting mechanism is arranged on the outer wall of the water-cooling plate, and water-cooling mechanisms are arranged in the water-cooling plate and on the outer wall of the water-cooling plate; the connecting mechanism is located on the outer wall of the water-cooling mechanism; the connecting mechanism comprises a connecting part and a sealing part; the connecting part comprises a water inlet pipe and a water outlet pipe, the number of the sealing parts is two, the two sealing parts comprise two fixing pipes and two pressing rings, and the outer wall of the water inlet pipe and the outer wall of the water outlet pipe fixedly penetrate through the outer wall of the water cooling plate and extend into the water cooling plate. And in cooperation with a spring, a damper, a movable ring, an extrusion block, a bolt, an extrusion ring, a fixing frame and other components, tight extrusion sealing and stable fixing of an external pipeline are achieved, leakage of cooling liquid is effectively prevented, and the connection stability is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to power battery technical field, concretely is a kind of power battery water-cooled plate sealing structure. BACKGROUND

[0002] As an important component of battery thermal management system, power battery water-cooled plate has been widely used in electric vehicles, energy storage systems and high-performance battery equipment due to its efficient heat conduction performance and excellent cooling capacity. By optimizing the design of cooling channel, selecting appropriate materials, using advanced sealing technology and manufacturing process, the water-cooled plate can effectively maintain the temperature stability of the battery, thereby improving the performance, life and safety of the battery.

[0003] The sealing performance of the existing power battery water-cooled plate is poor, which makes it difficult to effectively prevent the leakage of cooling liquid, resulting in an increased risk of cooling liquid leakage. This not only affects the heat dissipation efficiency, but also may cause corrosion and other damage to the battery due to liquid leakage, reducing the performance and service life of the battery. Therefore, a power battery water-cooled plate sealing structure is proposed. SUMMARY

[0004] In view of the shortcomings of the prior art, the utility model provides a power battery water-cooled plate sealing structure, which solves the problem of poor sealing performance, difficulty in effectively preventing cooling liquid leakage, resulting in increased risk of cooling liquid leakage, which not only affects the heat dissipation efficiency, but also may cause corrosion and other damage to the battery due to liquid leakage, reducing the performance and service life of the battery.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: including water-cooled plate, the water-cooled plate outer wall is provided with connecting mechanism, the water-cooled plate inside and outer wall are all provided with water-cooled mechanism;

[0006] The connecting mechanism is located outside the water-cooled mechanism;

[0007] The connecting mechanism includes connecting part and sealing part;

[0008] The connecting part includes water inlet pipe and water outlet pipe, and the sealing part is provided with two groups, two groups of sealing parts include two fixed pipes and two groups of compression rings;

[0009] The outer wall of the water inlet pipe and the water outlet pipe is fixedly penetrated through the outer wall of the water-cooled plate and extends to the inside of the water-cooled plate, the side of the water inlet pipe and the water outlet pipe away from the water-cooled plate is respectively threaded with two connecting pipes, the outer wall of the two connecting pipes is respectively fixedly connected with the inner side of the two fixed pipes, the outer wall of the two fixed pipes is respectively slidably penetrated through two groups of connecting blocks, the side of the two groups of connecting blocks close to the two connecting pipes is respectively fixedly connected with the outer wall of the two groups of compression rings

[0010] Preferably, the water cooling mechanism comprises a water cooling pipe located inside the water cooling plate, a water inlet pipe outer wall fixed through connection at the water cooling pipe inlet end, and a water outlet pipe outer wall fixed through connection at the water cooling plate outlet end.

[0011] Preferably, two groups of extrusion blocks are fixedly arranged on the outer walls of the two groups of connecting blocks respectively, and two moving rings are slidingly arranged on the outer walls of the two fixed pipes respectively.

[0012] Preferably, two groups of fixed frames are fixedly arranged on the outer walls of the two groups of connecting blocks respectively, two groups of dampers and two groups of springs are fixedly arranged on the sides of the two groups of fixed frames away from the two groups of pressing rings respectively, the sides of the two groups of dampers and the two groups of springs close to the two fixed pipes are fixedly connected with the inner walls of the two connecting pipes respectively, and the initial states of the two groups of springs are in the extended state.

[0013] Preferably, two groups of guide rails are fixedly arranged on the outer walls of the two fixed pipes respectively, the outer walls of the two groups of guide rails are slidingly connected with the inner walls of the two moving rings respectively, two fixed frames are fixedly arranged on the outer walls of the two fixed pipes respectively, two sliding grooves are formed in the top surfaces of the two fixed frames respectively, two moving blocks are fixedly arranged on the outer walls of the two moving rings respectively, the outer walls of the two moving blocks are slidingly connected with the inner walls of the two sliding grooves respectively, two bolts are threadedly penetratingly arranged on the outer walls of the two moving blocks respectively, two extrusion rings are fixedly sleeved on the outer walls of the two bolts respectively, and the bottom surfaces of the two extrusion rings are in contact with the top surfaces of the two fixed frames.

[0014] Preferably, two groups of heat conduction blocks are fixedly arranged on the inner walls of the water cooling plate respectively, and the sides of the two groups of heat conduction blocks close to each other are in contact with the outer walls of the water cooling pipes.

[0015] The utility model provides a kind of power battery water cooling plate sealing structure.It has the following beneficial effects:

[0016] (One), the power battery water cooling plate sealing structure, connecting mechanism adopts the threaded connection of connecting pipe, water inlet pipe and water outlet pipe, which is convenient to install, cooperates with spring, damper, moving ring, extrusion block, bolt, extrusion ring and fixed frame, realizes the tight extrusion sealing and stable fixation of external pipeline, effectively prevents cooling liquid leakage, enhances connection stability, reduces installation difficulty and improves efficiency.

[0017] (Two), the power battery water cooling plate sealing structure, water cooling mechanism realizes the efficient circulation of cooling liquid by the through connection of water cooling pipe, water inlet pipe and water outlet pipe, and the heat conduction is strengthened by heat conduction block and heat conduction sleeve, which can quickly guide the battery heat into water cooling pipe and carry away, effectively improving the heat dissipation effect. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic view of the utility model;

[0019] Figure 2 It is the structure schematic view of the connecting mechanism and the water cooling plate connection of the utility model;

[0020] Figure 3 It is the structure schematic view of the water inlet pipe and the connecting pipe connection in the connecting mechanism of the utility model;

[0021] Figure 4 It is the structure schematic view inside the connecting mechanism of the utility model;

[0022] Figure 5 It is the structure schematic view of the water cooling mechanism of the utility model;

[0023] Figure 6 It is the structure schematic view of the utility model Figure 4 A enlarged structure schematic view of the area A in the utility model.

[0024] In the drawing: 1, water cooling plate; 2, connecting mechanism; 21, connecting pipe; 22, water inlet pipe; 23, water outlet pipe; 24, moving ring; 25, fixed frame; 26, fixed pipe; 27, compression ring; 28, connecting block; 29, fixed frame; 210, damper; 211, spring; 212, extrusion ring; 213, bolt; 214, connecting block; 215, extrusion block; 216, guide rail; 3, water cooling mechanism; 31, water cooling pipe; 32, heat conduction block; 33, heat conduction sleeve. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1-6 The utility model provides a technical scheme: including water cooling plate 1, water cooling plate 1 outer wall is provided with connecting mechanism 2, water cooling plate 1 inside and outer wall are provided with water cooling mechanism 3;

[0027] Connecting mechanism 2 is located at the outer wall of water cooling mechanism 3;

[0028] Connecting mechanism 2 includes connecting part and sealing part;

[0029] Connecting part includes water inlet pipe 22 and water outlet pipe 23, and the sealing part is provided with two groups, and the two groups of sealing parts include two fixed pipes 26 and two groups of compression rings 27;

[0030] The outer wall of the water inlet pipe 22 and the water outlet pipe 23 is fixed and penetrates the outer wall of the water-cooled plate 1 to extend to the inside of the water-cooled plate 1. The side of the water inlet pipe 22 and the water outlet pipe 23 away from the water-cooled plate 1 is respectively threaded and sleeved with two connecting pipes 21. The outer wall of the two connecting pipes 21 is respectively fixedly connected with the inner side of the two fixed pipes 26. The outer wall of the two fixed pipes 26 is respectively slidably provided with two groups of connecting blocks 28. The side of the two groups of connecting blocks 28 close to the two connecting pipes 21 is respectively fixedly connected with the outer wall of the two groups of compression rings 27. The outer wall of the two groups of connecting blocks 28 is respectively fixedly provided with two groups of extrusion blocks 215. The outer wall of the two fixed pipes 26 is respectively slidably provided with two moving rings 24. The inner side of the two moving rings 24 is a slope. The inner side of the two moving rings 24 is respectively in contact with the outer wall of the two groups of extrusion rings 215. The outer wall of the two groups of connecting blocks 28 is respectively fixedly sleeved with two groups of fixed frames 29. The side of the two groups of fixed frames 29 away from the two groups of compression rings 27 is respectively fixedly provided with two groups of dampers 210 and two groups of springs 211. The side of the two groups of dampers 210 and the two groups of springs 211 close to the two fixed pipes 26 is respectively fixedly connected with the inner side of the two connecting pipes 26. The initial state of the two groups of springs 211 is an extended state. The outer wall of the two fixed pipes 26 is respectively fixedly provided with two groups of guide rails 216. The outer wall of the two groups of guide rails 216 is respectively slidably connected with the inner side of the two moving rings 24. The outer wall of the two fixed pipes 26 is respectively fixedly provided with two fixed frames 25. The top surface of the two fixed frames 25 is respectively provided with two sliding grooves. The outer wall of the two moving rings 24 is respectively fixedly provided with two moving blocks 214. The outer wall of the two moving blocks 214 is respectively slidably connected with the inner wall of the two sliding grooves. The outer wall of the two moving blocks 214 is respectively threaded and penetratively provided with two bolts 213. The outer wall of the two bolts 213 is respectively fixedly sleeved with two extrusion rings 212. The bottom surface of the two extrusion rings 212 is respectively in contact with the top surface of the two fixed frames 25.

[0031] The water-cooled mechanism 3 includes a water-cooled pipe 31 located inside the water-cooled plate 1. The water inlet end of the water-cooled pipe 31 is fixedly and penetratively connected with the outer wall of the water inlet pipe 22. The water outlet end of the water-cooled pipe 31 is fixedly and penetratively connected with the outer wall of the water outlet pipe 23. The inner side of the water-cooled plate 1 is respectively fixedly provided with two groups of heat-conducting blocks 32. The side of the two groups of heat-conducting blocks 32 close to each other is respectively in contact with the outer wall of the water-cooled pipe 31. The outer wall of the water-cooled plate 1 is fixedly sleeved with a heat-conducting sleeve 33.

[0032] In use, the two connecting pipes 21 are respectively threaded on the surfaces of the water inlet pipe 22 and the water outlet pipe 23, the connecting pipe 21 on the surface of the water inlet pipe 22 is connected with the external water inlet pipe 22, the connecting pipe 21 on the surface of the circulating pipe is connected with the external circulating pipe, after the connection is completed, the two groups of springs 211 and the two groups of dampers 210 can make the inner sides of the two groups of pressing rings 27 in extrusion contact with the external water inlet pipe 22 and the external circulating pipe, after the contact, the two moving rings 24 are manually controlled to move, the two groups of pressing rings 27 are extruded by the two groups of extruding blocks 215 and the two groups of connecting blocks 28 when the two moving rings 24 move, after the two bolts 213 are tightened, the bottoms of the two extruding rings 212 are in contact with the bottoms of the two fixing frames 25, after the bottoms of the two extruding rings 212 are in contact with the bottoms of the two fixing frames 25, the two extruding rings 212 can be fixed, and then the two pressing rings 27 can be fixed, and then the external water inlet pipe 22 and the external circulating pipe and the two connecting pipes 21 can be sealed;

[0033] The water-cooled refrigerant flows in the water-cooled pipe 31, the refrigerant can take away the heat generated by the battery when flowing, and the heat generated by the battery can be better introduced into the water-cooled pipe 31 through the two groups of heat-conducting blocks 32 and the heat-conducting sleeves 33.

[0034] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a... " does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0035] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A power battery water-cooling plate sealing structure, comprising a water-cooling plate (1), characterized in that: The outer wall of the water-cooled plate (1) is provided with a connecting mechanism (2), and the inner part and the outer wall of the water-cooled plate (1) are both provided with a water-cooled mechanism (3); The connecting mechanism (2) is located on the outer wall of the water-cooled mechanism (3); The connecting mechanism (2) comprises a connecting part and a sealing part; The connecting part comprises a water inlet pipe (22) and a water outlet pipe (23), and the sealing part is provided with two groups, which comprises two fixed pipes (26) and two groups of compression rings (27); The outer wall of the water inlet pipe (22) and the water outlet pipe (23) is fixedly penetrated through the outer wall of the water-cooled plate (1) and extends to the inner part of the water-cooled plate (1), and the side of the water inlet pipe (22) and the water outlet pipe (23) away from the water-cooled plate (1) is respectively threadedly sleeved with two connecting pipes (21), the outer wall of the two connecting pipes (21) is respectively fixedly connected with the inner side of the two fixed pipes (26), the outer wall of the two fixed pipes (26) is respectively slidably penetrated through two groups of connecting blocks (28), and the side of the two groups of connecting blocks (28) close to the two connecting pipes (21) is respectively fixedly connected with the outer wall of the two groups of compression rings (27).

2. The sealing structure of the water-cooling plate of the power battery according to claim 1, characterized in that: The water-cooled mechanism (3) comprises a water-cooled pipe (31), the water-cooled pipe (31) is located in the inner side of the water-cooled plate (1), the water inlet end of the water-cooled pipe (31) is fixedly and penetratively connected with the outer wall of the water inlet pipe (22), and the water outlet end of the water-cooled pipe (31) is fixedly and penetratively connected with the outer wall of the water outlet pipe (23).

3. The sealing structure of the water-cooling plate of the power battery according to claim 1, characterized in that: The outer wall of the two groups of connecting blocks (28) is respectively fixedly provided with two groups of extrusion blocks (215), the outer wall of the two fixed pipes (26) is respectively slidably provided with two movable rings (24), the inner side of the two movable rings (24) is a slope, and the inner side of the two movable rings (24) is respectively in contact with the outer wall of the two groups of extrusion blocks (215).

4. The sealing structure of the water-cooling plate of the power battery according to claim 1, characterized in that: The outer wall of the two groups of connecting blocks (28) is respectively fixedly sleeved with two groups of fixed frames (29), the side of the two groups of fixed frames (29) away from the two groups of compression rings (27) is respectively fixedly provided with two groups of dampers (210) and two groups of springs (211), the side of the two groups of dampers (210) and the two groups of springs (211) close to the two fixed pipes (26) is respectively fixedly connected with the inner side of the two connecting pipes (21), and the initial state of the two groups of springs (211) is an extended state.

5. The sealing structure of the water-cooling plate of the power battery according to claim 3, characterized in that: The outer wall of the two fixed pipes (26) is respectively fixedly provided with two groups of guide rails (216), the outer wall of the two groups of guide rails (216) is respectively slidably connected with the inner side of the two movable rings (24), the outer wall of the two fixed pipes (26) is respectively fixedly provided with two fixed frames (25), two sliding grooves are respectively formed in the top surfaces of the two fixed frames (25), the outer wall of the two movable rings (24) is respectively fixedly provided with two movable blocks (214), the outer wall of the two movable blocks (214) is respectively slidably connected with the inner wall of the two sliding grooves, the outer wall of the two movable blocks (214) is respectively penetratively provided with two bolts (213) in a threaded mode, the outer wall of the two bolts (213) is respectively fixedly sleeved with two extrusion rings (212), and the bottom surfaces of the two extrusion rings (212) are respectively in contact with the top surfaces of the two fixed frames (25).

6. The sealing structure of the water-cooling plate of the power battery according to claim 2, characterized in that: The water-cooled plate (1) is provided with two groups of heat-conducting blocks (32) on the inner side, and the two groups of heat-conducting blocks (32) are in contact with the outer wall of the water-cooled pipe (31) on the side surface close to each other, and the outer wall of the water-cooled plate (1) is fixedly provided with a heat-conducting sleeve (33).

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