Split type power battery box body of new energy automobile

By using a cross-shaped partition to separate the battery modules in the battery housing and equipping them with heat-conducting plates and cooling fans, combined with the design of cooling water pipes and liquid circulation pumps, the problems of uneven heat dissipation and installation deviation of the battery modules are solved, achieving efficient heat dissipation and protection of the battery modules.

CN224053264UActive Publication Date: 2026-03-27SANJIA LINGYI PRECISION TECH (SUZHOU) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing technologies cannot effectively dissipate heat from each individual battery module, and the complex structure of the battery modules and housing leads to installation deviations of the heat dissipation components, affecting the heat dissipation effect.

Method used

The mounting box is divided into four compartments by a cross-shaped partition. Each compartment contains a battery module, equipped with a heat-conducting plate and a cooling fan. Cooling is achieved through cooling water pipes and a liquid circulation pump. The battery module is fixed by elastic clamps, and protective pads and anti-collision blocks protect the battery module.

Benefits of technology

Each battery module has its own independent heat dissipation structure, which improves heat dissipation, ensures accurate installation, prevents damage to battery modules, and enhances the overall heat dissipation capacity of the battery box.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of new energy automobiles, and discloses a new energy automobile split type power battery box which comprises a mounting plate, a box assembly used for storing a power battery is fixedly mounted at the top end of the mounting plate, a sealing cover is arranged at the top end of the box assembly, and an anti-collision block is fixedly connected to the top end of the sealing cover. The box body assembly comprises a mounting box fixedly connected to the top end of the mounting plate, a cross-shaped partition plate is fixedly connected to the middle of an inner cavity of the mounting box, heat conduction plates are fixedly connected to the inner walls of the mounting box and the cross-shaped partition plate, and elastic clamping plates are fixedly connected to the middles of the multiple heat conduction plates; a plurality of heat dissipation fans are fixedly mounted at the two ends of the mounting box, the battery modules are fixed through the elastic clamping plates, the mounting position of each battery module is ensured, and the heat conduction plates and the heat dissipation fans are arranged on the inner wall of each compartment, so that the heat dissipation effect of the equipment is effectively improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to new energy automobile technical field more particularly to a new energy automobile split type power battery box. BACKGROUND

[0002] In new energy automobile, power battery system is mainly composed of electric core and module, battery management system, battery box, electronic and electrical and structural component, wherein, electric core is as the energy storage unit of power battery, battery management system is used for the management and monitoring of power battery electric core, battery box is the component of supporting, fixing, surrounding power battery system, power battery box is usually installed below the vehicle body chassis, has the characteristics such as recyclable, corrosion resistance, lightweight while, the safety and the cruising range of battery system have played the vital role.

[0003] The deficiency of prior art is that split type power battery box is divided into two or more independent battery modules, since power battery generates a large amount of heat in the use process, therefore needs to guarantee the heat dissipation effect of each battery module, and the existing battery box can only heat the whole box, cannot heat each single battery module, and since the structure of battery module and box is complex, the heat dissipation component of battery module is prone to deviation in the installation process, influences the heat dissipation effect. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of prior art, the utility model provides a new energy automobile split type power battery box to solve the problems that each single battery module cannot be cooled in the background art, and since the structure of battery module and box is complex, the heat dissipation component of battery module is prone to deviation in the installation process, influences the heat dissipation effect.

[0005] The utility model provides the following technical scheme: a new energy automobile split type power battery box, including the mounting plate, the top of mounting plate is fixedly installed with the box assembly for storing power battery, the top of box assembly is provided with the cover, the top of cover is fixedly connected with the anti -collision block, the bottom of cover is fixedly connected with four protective pads;

[0006] The box assembly includes a mounting box fixedly connected to the top of the mounting plate, a cross partition is fixedly connected to the inner cavity of the mounting box, heat-conducting plates are fixedly connected to the inner walls of the mounting box and the cross partition, elastic clamping plates are fixedly connected to the inner walls of the two heat-conducting plates, and a plurality of heat dissipation fans are fixedly installed at the two ends of the mounting box.

[0007] Preferably, the inner cavity of the mounting box is divided into four compartments by the cross partition, each compartment has a battery module in its inner cavity, and elastic clamping plates are arranged around the battery module.

[0008] Preferably, the top end of the mounting box is fixedly connected with a cooling water pipe, one side of the top end of the mounting box is fixedly installed with a liquid circulating pump, one end of the cooling water pipe is in communication with the output end of the liquid circulating pump, and the other end of the cooling water pipe is in communication with the input pipe of the liquid circulating pump.

[0009] Preferably, the upper portion of the outer surface of the mounting box is fixedly connected with a connecting plate, and four first mounting holes are formed in the top end of the connecting plate.

[0010] Preferably, four second mounting holes are formed in the top end of the cover, the four second mounting holes and the first mounting holes are arranged in a rectangular array, the second mounting holes are in communication with the first mounting holes, and four protective pads are arranged in a rectangular array, the positions of the protective pads correspond to the positions of the battery modules, and the protective pads are located at the top end of the battery modules.

[0011] Preferably, pressure relief valves are fixedly installed on the other side of the two ends of the mounting box, and a plurality of wire holes are formed in the cross partition plate.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The utility model discloses a box body assembly is installed to power battery, and the mounting box is divided into four compartments by the cross partition plate, and one group of battery modules is installed in each compartment, the battery modules are fixed through the four connected elastic clamps in the compartment, the installation position of each battery module is accurate, the mounting box is sealed after installation through the cover, the protective pad at the bottom of the cover reinforces the battery modules, and since the battery box body is installed at the bottom of the vehicle, the anti-collision block is used to avoid impact during use, so that the battery modules are not damaged.

[0014] 2. The utility model discloses a heat conduction plate and a cooling fan are installed in the mounting box, and the inner wall of each compartment is provided with a heat conduction plate and a cooling fan, so that each battery module has a separate heat dissipation structure, the heat generated by all battery modules is not gathered together, the heat generated by the battery modules is transmitted through the heat conduction plate, and the heat is taken away through the liquid circulating in the top cooling water pipe, and the cooling fan is used in cooperation, so that the heat dissipation effect of the equipment is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model.

[0016] Figure 2 It is the box body assembly structure schematic diagram of the utility model.

[0017] Figure 3It is the whole internal structure schematic view of the utility model.

[0018] Figure 4 It is the whole cross section structure schematic view of the utility model.

[0019] The figure mark is: 1, mounting plate, 2, box body assembly, 21, mounting box, 22, cross partition, 23, heat conduction plate, 24, elastic clamping plate, 25, cooling fan, 26, battery module, 27, cooling water pipe, 28, liquid circulating pump, 29, connecting plate, 210, first mounting hole, 211, pressure relief valve, 212, threading hole, 3, cover, 4, anti-collision block, 5, second mounting hole, 6, protective pad. DETAILED DESCRIPTION

[0020] The technical scheme in the utility model will be described clearly and completely below in combination with the drawings in the utility model, and in addition, the form of each structure recorded in the following implementation is only an example, and the split type power battery box of new energy automobile involved in the utility model is not limited to each structure recorded in the following implementation, and all other implementation obtained by the ordinary skill in the art without making creative labor belongs to the protection scope of the utility model.

[0021] The utility model provides a split type power battery box of new energy automobile, like Figure 1 - Figure 4 As shown, including mounting plate 1, the top end fixed mounting of mounting plate 1 is used for the box body assembly 2 of depositing power battery, the top end of box body assembly 2 is provided with cover 3, and the top end of cover 3 is fixedly connected with anti-collision block 4, because power battery system is installed at the bottom end of vehicle body, so as to avoid being impacted during use by anti-collision block 4, cause battery damage, and the bottom end of cover 3 is fixedly connected with four protective pads 6.

[0022] Further, as shown in Figure 3 The box body assembly 2 includes the mounting box 21 fixedly connected to the top end of the mounting plate 1, the cross partition 22 is fixedly connected in the inner chamber middle part of the mounting box 21, the inner wall of the mounting box 21 and the cross partition 22 is fixedly connected with the heat conduction plate 23, the inner wall of the two heat conduction plates 23 is fixedly connected with the elastic clamping plate 24, and the two ends of the mounting box 21 are fixedly installed with a plurality of cooling fans 25.

[0023] Further, as shown in Figure 2As shown, the inner cavity of the mounting box 21 is divided into four compartments by the cross partition 22, and the inner cavity of each compartment is provided with a battery module 26. The battery module 26 is provided with an elastic clamping plate 24 around the periphery, and the battery module 26 is installed in a separate compartment through the elastic clamping plate 24. The cross partition 22 and the inner wall of the mounting box 21 are provided with heat-conducting plates 23, so that the inner wall of each compartment is provided with heat-conducting plates 23 and cooling fans 25, which ensures that each battery module 26 has a separate cooling structure, effectively improves the cooling effect, and makes installation more convenient through the elastic clamping plate 24, so that each battery module 26 can be stored separately and the accuracy of the installation position of the battery module 26 can be ensured.

[0024] Further, as shown in Figure 3 , the top end of the mounting box 21 is fixedly connected with a cooling water pipe 27, and the top end of the mounting box 21 is fixedly installed with a liquid circulating pump 28. One end of the cooling water pipe 27 is in communication with the output end of the liquid circulating pump 28, and the other end of the cooling water pipe 27 is in communication with the input pipe of the liquid circulating pump 28. The water in the cooling water pipe 27 circulates and flows through the liquid circulating pump 28, dispersing the heat generated in the inner cavity of the mounting box 21, effectively improving the overall heat dissipation effect of the structure.

[0025] Further, as shown in Figure 3 , the outer surface of the mounting box 21 is fixedly connected with a connecting plate 29, and the top end of the connecting plate 29 is provided with four first mounting holes 210.

[0026] Further, as shown in Figure 3 and Figure 4 , the top end of the cover 3 is provided with four second mounting holes 5, and the four second mounting holes 5 and the first mounting holes 210 are arranged in a rectangular array. The second mounting holes 5 are in communication with the first mounting holes 210, the connecting bolts are passed through the inner cavities of the second mounting holes 5 and the first mounting holes 210, so that the cover 3 and the connecting plate 29 are tightly connected, and the four protective pads 6 are arranged in a rectangular array. The position of the protective pad 6 corresponds to the position of the battery module 26, and the protective pad 6 is located at the top end of the battery module 26, and the battery module 26 is reinforced through the protective pad 6.

[0027] Further, as shown in Figure 3 , the other side of the two ends of the mounting box 21 is fixedly installed with a pressure relief valve 211. When the battery emits a large amount of gas, the gas is released through the pressure relief valve 211 to play a role in cooling. A plurality of wire holes 212 are formed in the cross partition 22.

[0028] The utility model discloses a working principle: when assembling, first install the battery module 26 in the compartment of cross partition 22, then through the elastic clamp plate 24 directly fix the battery module 26, the inner wall of cross partition 22 and installation box 21 is equipped with heat conduction plate 23, so that the inner wall of every compartment is equipped with heat conduction plate 23 and cooling fan 25, guarantee every battery module 26 to have the separate heat radiation structure, still can start liquid circulating pump 28 in the use process, make the water circulation flow in cooling water pipe 27 through liquid circulating pump 28, the heat generated in the inner chamber of installation box 21 is dispersed, cooperate with cooling fan 25 and effectively improve the heat dissipation effect of the structure whole, when the battery emits a large amount of gas, release gas through pressure relief valve 211, play the role of cooling, simultaneously through the elastic clamp plate 24 makes installation more convenient, makes every battery module 26 can be stored separately, and can ensure the accuracy of battery module 26 installation position, then cover 3 is placed in the top of installation box 21, connects bolt to pass through second mounting hole 5 and first mounting hole 210 inner chamber, make cover 3 and connecting plate 29 are connected closely, simultaneously the protective pad 6 of cover 3 bottom end is consistent with the position of battery module 26, through protective pad 6 reinforces battery module 26, avoids to produce the situation such as shaking, needs the connection between battery module 26, through threading hole 212 convenient cable connection, after the assembly of box, through mounting plate 1 is installed in the bottom of car body.

[0029] Finally, it should be noted that: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connected", "connected" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0030] Secondly: the utility model discloses an embodiment of the drawings, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0031] Finally: the above only for the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A split type power battery box for new energy vehicles, comprising a mounting plate (1), characterized in that: The top end of the mounting plate (1) is fixedly installed with a box assembly (2) for storing power batteries, the top end of the box assembly (2) is provided with a cover (3), the top end of the cover (3) is fixedly connected with an anti-collision block (4), and the bottom end of the cover (3) is fixedly connected with four protective pads (6). The box assembly (2) comprises a mounting box (21) fixedly connected to the top end of the mounting plate (1), a cross partition plate (22) fixedly connected to the middle of the inner cavity of the mounting box (21), and heat conducting plates (23) fixedly connected to the inner walls of the mounting box (21) and the cross partition plate (22), wherein the inner walls of two of the heat conducting plates (23) are fixedly connected with elastic clamping plates (24), and the two ends of the mounting box (21) are fixedly installed with three heat dissipation fans (25) on one side.

2. The split power battery case of a new energy vehicle according to claim 1, characterized in that: The inner cavity of the mounting box (21) is divided into four compartments by the cross partition plate (22), and the inner cavity of each compartment is provided with a battery module (26), and the periphery of the battery module (26) is provided with an elastic clamping plate (24).

3. The split power battery case of a new energy vehicle according to claim 1, characterized in that: The top end of the mounting box (21) is fixedly connected with a cooling water pipe (27), one side of the top end of the mounting box (21) is fixedly installed with a liquid circulating pump (28), one end of the cooling water pipe (27) is in communication with the output end of the liquid circulating pump (28), and the other end of the cooling water pipe (27) is in communication with the input pipe of the liquid circulating pump (28).

4. The split power battery case of a new energy vehicle according to claim 1, characterized in that: The outer surface of the mounting box (21) is fixedly connected with a connecting plate (29) on the upper part, and four first mounting holes (210) are formed in the top end of the connecting plate (29).

5. The split power battery case of a new energy vehicle according to claim 1, characterized in that: The top end of the cover (3) is provided with four second mounting holes (5), and the four second mounting holes (5) and the first mounting holes (210) are arranged in a rectangular array, the second mounting holes (5) are in communication with the first mounting holes (210), the four protective pads (6) are arranged in a rectangular array, the positions of the protective pads (6) correspond to the positions of the battery modules (26), and the protective pads (6) are located at the top end of the battery modules (26).

6. The split power battery case of a new energy vehicle according to claim 1, characterized in that: The other side of the two ends of the mounting box (21) is fixedly installed with a pressure relief valve (211), and a plurality of wire holes (212) are formed in the cross partition plate (22).