A heat dissipation fixture for a battery module

Abstract

This invention provides a heat dissipation fixture for a battery module, including a water tank for mounting a heat exchanger. The water tank has an inlet pipe and an outlet pipe, and is hollow. Inside the water tank are two chambers connected to the inlet and outlet pipes, respectively. Each chamber is connected to multiple connecting pipes of varying lengths. Exchange components that contact the battery module are connected to these connecting pipes. The exchange components exchange heat with the battery module and transfer the heat away through the water flow. This invention reduces the number of pipes in the system, simplifies the heat dissipation method, and lowers the overall cost while ensuring heat dissipation. The connection method between the pipes, cold water pipes, and corresponding connecting pipes allows for easy disassembly and assembly of the exchange components, facilitating replacement or addition, and adapting to battery modules of different sizes.

Description

Technical Field

[0001] This utility model relates to the field of battery protection devices, specifically to a heat dissipation fixture for a battery module. Background Technology

[0002] The statements herein provide only background information related to this invention and do not necessarily constitute prior art.

[0003] A battery module is composed of multiple battery cells, forming a large energy unit. During operation, each battery cell supplies its own power. When forming the unit, connecting pieces are used to connect the two batteries in series or parallel to ensure the power supply. During the production and use of battery modules, the internal resistance generates heat. Furthermore, battery modules are usually placed in a fixed enclosure for protection, which prevents the internal energy from dissipating effectively. Over time, this can lead to heat accumulation and affect the battery's lifespan.

[0004] Existing battery modules typically use wind power and water cooling for heat dissipation. In order to facilitate and ensure safety, existing water cooling devices generally adopt a multi-inlet and multi-outlet water cooling method. Although this can ensure that each cooling point can be cooled safely and stably, the overall system is relatively complex and costly. Utility Model Content

[0005] The main purpose of this utility model is to provide a heat dissipation fixture for battery modules.

[0006] To achieve the above objectives, the technical solution of this utility model is as follows: A heat dissipation fixture for a battery module includes a water tank for mounting a diversion system. The water tank is equipped with an inlet pipe and an outlet pipe. The water tank is hollow and contains two chambers that are respectively connected to the inlet pipe and the outlet pipe. The two chambers are respectively connected to multiple connecting pipes of different lengths. The connecting pipes are connected to an exchange component that contacts the battery module. The exchange component exchanges heat with the battery module and transfers the heat away through the water flow.

[0007] Preferably, the exchange assembly includes multiple heat sinks, each heat sink including two symmetrically arranged hollow contact boxes, the two contact boxes being connected, the contact boxes having multiple flow channels, the flow channels having contact strips connected to the contact boxes, the bottom of the space enclosed by the two contact boxes being connected to a cold water pipe, one end of the cold water pipe being connected to an annular pipe located inside the contact box, and the other end of the annular pipe being connected to a hot water pipe extending to the outside of the contact box, the hot water pipe and the cold water pipe being connected to a corresponding connecting pipe.

[0008] Preferably, both the hot water pipe and the cold water pipe are fitted with a sealing sleeve, and the hot water pipe is sealed to the inner wall of the connecting pipe through the sealing sleeve.

[0009] Preferably, the connecting tube has a sealing sliding snap ring, the bottom of which is connected to multiple elastic components, and the other end of the elastic components is fixedly connected to a fixing ring that is fixedly connected to the connecting tube. The middle of the fixing ring is sealed and slidably fitted with a connecting rod, the top of which is fixedly connected to the snap ring, and the bottom of which is fixedly connected to a follower ring located below the fixing ring.

[0010] Preferably, the fixed ring is provided with multiple water leakage holes, and the hole wall of the water leakage hole is sealed with a sealing post. The bottom end of the sealing post is connected to the follower ring. The follower ring is provided with multiple water guide holes, and the snap ring is provided with multiple working holes. Water flows through the water guide holes, the leakage holes and the working holes to the upper end of the connecting pipe.

[0011] Preferably, each of the multiple working holes is connected to a flow control cone, which has a conical structure.

[0012] Preferably, a second sealing sleeve that mates with the first sealing sleeve is fixedly connected inside the connecting pipe, and the second sealing sleeve is made of rubber.

[0013] Preferably, the water tank is provided with multiple placement slots, and the exchange components and battery pack are located in the placement slots.

[0014] The beneficial effects of this utility model are reflected in:

[0015] This utility model achieves centralized water supply and outlet through an integrated water tank, and facilitates the installation of the exchange components on its upper side. This reduces the number of pipes in the system, simplifies the heat dissipation method, and reduces the overall cost while ensuring heat dissipation. The connection method between the pipes, cold water pipes and corresponding connecting pipes allows for easy disassembly and assembly of the exchange components, facilitating replacement or addition, and adapting to battery modules of different sizes. Attached Figure Description

[0016] In the attached diagram:

[0017] Figure 1 This is a front-view perspective structural diagram of the present invention;

[0018] Figure 2 This is a side view of the three-dimensional structure of the water tank;

[0019] Figure 3 This is a schematic diagram of the front sectional view of the water tank;

[0020] Figure 4 A partial front-view 3D structural diagram of the switching component;

[0021] Figure 5A schematic diagram showing the internal piping setup of the switching component;

[0022] Figure 6 This is a front-view 3D structural diagram of the internal structure of the connecting pipe;

[0023] Figure 7 This is a partial frontal 3D structural diagram of the inside of the connecting pipe.

[0024] Explanation of reference numerals in the attached figures:

[0025] 01. Water tank; 02. Inlet pipe; 03. Placement slot; 04. Outlet pipe; 05. Exchange assembly; 06. Hot water pipe; 07. Cold water pipe; 08. Ring pipe; 09. Contact box; 10. Contact strip; 11. Flow guide groove; 12. Connecting pipe; 20. Sealing sleeve one; 21. Sealing sleeve two; 22. Snap ring; 23. Working hole one; 24. Fixing ring; 25. Follower ring; 26. Sealing column; 27. Elastic component; 28. Water guide hole; 29. ​​Flow control cone. Detailed Implementation

[0026] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. Obviously, the described embodiments are only a part of the embodiments of the utility model, and not all of them. Unless otherwise specified, the embodiments and features described in this application can be combined with each other. All other embodiments obtained by those skilled in the art based on the embodiments of the utility model without creative effort are within the scope of protection of the utility model.

[0027] Example: See Figures 1 to 7 ;

[0028] A heat dissipation fixture for a battery module includes a water tank 01 for mounting and distributing the battery module. The water tank 01 is equipped with an inlet pipe 02 and an outlet pipe 04. The inlet pipe 02 is connected to an external water supply pipe, through which low-temperature water is introduced and then discharged through the outlet pipe 04, forming a periodic circulation that carries away the heat dissipated by the battery module. The water tank 01 is hollow and contains two chambers that are respectively connected to the inlet pipe 02 and the outlet pipe 04. The two chambers are respectively connected to multiple connecting pipes 12 of different lengths, which separate cold inlet water from hot outlet water to avoid mixing of liquids. The connecting pipes 12 are connected to an exchange component 05 that contacts the battery module. The exchange component 05 exchanges heat with the battery module and transfers the heat away through the water flow. The exchange component 05 increases the contact area between the liquid and the battery module to ensure the heat exchange area.

[0029] The heat exchange assembly 05 includes multiple sets of heat sinks, all of which are in contact with the surface of the battery pack, thereby increasing the contact area. Each heat sink includes two symmetrically arranged hollow contact boxes 09, which are connected to each other. Multiple guide channels 11 are provided on the contact boxes 09, and contact strips 10 connected to the contact boxes 09 are provided within the guide channels 11. The contact strips 10 increase the contact area between the contact boxes 09 and the battery pack, improving heat exchange. Simultaneously, the guide channels 11 are arranged through the contact boxes 09, guiding heat from the top of the guide channels 11. The airflow is accelerated by the discharge of the cold water pipe 07, which helps to dissipate heat. The bottom of the space enclosed by the two contact boxes 09 is connected to a cold water pipe 07. One end of the cold water pipe 07 is connected to an annular pipe 08 located inside the contact box 09, and the other end of the annular pipe 08 is connected to a hot water pipe 06 extending to the outside of the contact box 09. The hot water pipe 06 and the cold water pipe 07 are connected to the connecting pipe 12. The annular pipe 08 exchanges heat with the liquid in the contact box 09, carrying away heat. At the same time, the liquid flows through the inlet of the cold water pipe 07 and the outlet of the hot water pipe 06.

[0030] Both the hot water pipe 06 and the cold water pipe 07 are fitted with a sealing sleeve 20 on their outer sides. The hot water pipe 06 is sealed to the inner wall of the connecting pipe 12 through the sealing sleeve 20. The sealing sleeve 20 is made of rubber and can be deformed, thereby ensuring a better seal when the hot water pipe 06 is inserted into the connecting pipe 12.

[0031] The connecting pipe 12 is sealed with a sliding snap ring 22. The bottom of the snap ring 22 is connected to multiple elastic components 27, and the other end of the elastic component 27 is fixedly connected to a fixing ring 24 fixedly connected to the connecting pipe 12. The snap ring 22 can slide in the connecting pipe 12, thereby changing the elastic potential energy of the elastic component 27. Under its own elastic force, the elastic component 27 can drive the snap ring 22 to eventually return to its initial state. The middle of the fixing ring 24 is sealed with a connecting rod. The top of the connecting rod is fixedly connected to the snap ring 22, and the bottom of the connecting rod is fixedly connected to a follower ring 25 located below the fixing ring 24. By pushing the snap ring 22, the corresponding follower ring 25 can be moved through the connecting rod to trigger the movement. When the hot water pipe 06 or the cold water pipe 07 is inserted into the connecting pipe 12, the bottom of the hot water pipe 06 or the cold water pipe 07 contacts the snap ring 22 and triggers the movement of the snap ring 22.

[0032] The fixed ring 24 is provided with multiple water leakage holes, and the wall of the water leakage hole is sealed with a sealing post 26. The bottom end of the sealing post 26 is connected to the follower ring 25. The follower ring 25 is provided with multiple water guide holes 28, and the snap ring 22 is provided with multiple working holes 23. Water flows through the water guide holes 28, the leakage holes and the working holes 23 to the upper end of the connecting pipe 12. The movement of the follower ring 25 drives the movement of the sealing post 26, so that the water at the bottom of the connecting pipe 12 enters the upper pipe through the water guide holes 28, the leakage holes and the working holes 23, or the water in the upper pipe enters the water tank 01 through the working holes 23, the leakage holes and the water guide holes 28, thus realizing the connection.

[0033] Multiple working holes 23 are each connected to a flow control cone 29. The flow control cone 29 has a conical structure. After the water flows through the flow control cone 29, it is sprayed out through the small opening of the flow control cone 29. During this process, the large flow rate and certain velocity of the liquid are blocked by the flow control cone 29, which increases the pressure of the water and dissipates heat, thereby reducing the water temperature. Then the water flows through the subsequent pipes to better absorb the heat in the battery pack.

[0034] A second sealing sleeve 21, which mates with the first sealing sleeve 20, is fixedly connected inside the connecting pipe 12. The second sealing sleeve 21 is made of rubber and is in contact with the first sealing sleeve 20. The seal is achieved by utilizing the properties of rubber.

[0035] The water tank 01 is equipped with multiple placement slots 03. The exchange component 05 and the battery pack are located in the placement slots 03. The placement slots 03 provide placement space to ensure the placement of the exchange component 05 and the battery pack.

[0036] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

[0037] It should be noted that if the utility model embodiment involves directional indicators (such as up and down), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0038] Furthermore, the meaning of "and / or" throughout the text includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or a solution that simultaneously satisfies A and B. Additionally, if the utility model embodiments involve descriptions of "first," "second," etc., these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" or "second" can explicitly or implicitly include at least one of those features. Furthermore, "multiple" refers to two or more. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by the utility model.

Claims

1. A heat dissipation tool for a battery module, characterized by, It includes a water tank (01) for installing the diversion system. The water tank (01) is provided with an inlet pipe (02) and an outlet pipe (04). The water tank (01) is hollow. The water tank (01) is provided with two chambers that are respectively connected to the inlet pipe (02) and the outlet pipe (04). The two chambers are respectively connected to multiple connecting pipes (12) of different lengths. The connecting pipes (12) are connected to an exchange component (05) that is in contact with the battery module. The exchange component (05) exchanges heat with the battery module and transfers the heat out through the water flow.

2. The battery module heat dissipation tooling of claim 1, wherein, The exchange component (05) includes multiple heat sinks, each heat sink including two symmetrically arranged hollow contact boxes (09), the two contact boxes (09) are connected, the contact boxes (09) are provided with multiple flow guide grooves (11), the flow guide grooves (11) are provided with contact strips (10) connected to the contact boxes (09), the bottom of the space enclosed by the two contact boxes (09) is connected to a cold water pipe (07), one end of the cold water pipe (07) is connected to an annular pipe (08) located inside the contact box (09), and the other end of the annular pipe (08) is connected to a hot water pipe (06) extending to the outside of the contact box (09), the hot water pipe (06) and the cold water pipe (07) are connected to the corresponding connecting pipes (12).

3. The battery module heat dissipation tooling of claim 2, wherein, Both the hot water pipe (06) and the cold water pipe (07) are fitted with a sealing sleeve (20), and the hot water pipe (06) is sealed to the inner wall of the connecting pipe (12) through the sealing sleeve (20).

4. The battery module heat sink tooling of claim 1, wherein, The connecting tube (12) is sealed and slidably fitted with a snap ring (22). The snap ring (22) can move vertically inside the connecting tube (12). The bottom of the snap ring (22) is connected to a plurality of elastic components (27), and the other end of the elastic component (27) is fixedly connected to a fixing ring (24) fixedly connected to the connecting tube (12). The middle of the fixing ring (24) is sealed and slidably fitted with a connecting rod. The top end of the connecting rod is fixedly connected to the snap ring (22), and the bottom of the connecting rod is fixedly connected to a follower ring (25) located below the fixing ring (24). The fixed ring (24) is provided with multiple water leakage holes. The wall of the water leakage hole is sealed with a sealing column (26). The bottom end of the sealing column (26) is connected to the follower ring (25). The follower ring (25) can drive the sealing column (26) to move downward together under the push of the connecting rod, exposing the water leakage hole. The follower ring (25) is provided with multiple water guide holes (28). The snap ring (22) is provided with multiple working holes (23). Water flows through the water guide holes (28), the leakage holes and the working holes (23) to the upper end of the connecting pipe (12).

5. The battery module heat sink tooling of claim 4, wherein, Each of the multiple working holes (23) is connected to a flow control cone (29), which has a conical structure.

6. The battery module heat sink tooling of claim 1, wherein, The connecting pipe (12) is fixedly connected to a sealing sleeve two (21) that cooperates with the sealing sleeve one (20). The sealing sleeve two (21) is made of rubber.

7. The heat dissipation fixture for a battery module according to claim 1, characterized in that, The water tank (01) is provided with a plurality of placing grooves (03), and the exchange assembly (05) and the battery pack are located in the placing grooves (03).

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