High-safety battery module and battery heat dissipation mechanism

By setting up heat insulation components and motor-driven heat dissipation components in the battery module, the problem of heat accumulation and battery interaction between the battery module when multiple batteries are combined is solved, and high safety and stable battery operation are achieved.

CN119650946AActive Publication Date: 2025-03-18CHANGZHOU UNIV
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Patent Information

Application Number
CN202411988485.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-03-18
Estimated Expiration
2044-12-31

AI Technical Summary

Technical Problem

When existing battery modules are combined with multiple batteries, heat accumulation and battery interaction lead to low safety, and damage to one battery may cause damage to other batteries.

Method used

A high-safety battery module is designed to ensure effective conduction and separation of heat by setting insulating components between each battery, including batteries, heat conduction sheets, heat insulating boxes and heat conduction boxes, while using motor-driven heat dissipation components to improve heat dissipation efficiency.

Benefits of technology

It effectively reduces the temperature of the battery, improves the working stability and service life of the battery, and eliminates the mutual influence and damage of the battery by separating and deriving heat.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention belongs to the technical field of batteries, and particularly relates to a high-safety battery module and a battery heat dissipation mechanism, the high-safety battery module comprises a first box body, the first box body is internally provided with at least one heat insulation assembly, the adjacent heat insulation assemblies are horizontally arranged at equal intervals, and each heat insulation assembly comprises a battery and a heat conduction sheet; the side wall of the second box body is connected with the side wall of the first box body, one end of the heat-conducting fin is connected with the battery, and the other end of the heat-conducting fin sequentially penetrates through the side walls of the first box body and the second box body and extends into the second box body; by arranging the heat insulation assembly, the batteries are not connected, and meanwhile heat generated by the batteries is not communicated, so that the situation that all the batteries are damaged due to damage of a single battery is avoided, the heat dissipation performance of the batteries is improved, and the service life of the batteries is prolonged.
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Description

Technical Field

[0001] The invention belongs to the technical field of batteries, and in particular relates to a high-safety battery module and a battery heat dissipation mechanism. Background Art

[0002] A battery module is a unit composed of multiple battery cells connected in series, parallel or series-parallel. It is an intermediate layer between battery cells and battery systems. The battery module has an outer shell to protect the internal battery cells, and some connecting components to ensure good electrical connection between batteries, so that stable voltage and current can be output. Battery modules are mainly used to provide power for various devices, such as electric vehicles, energy storage systems, etc.

[0003] Typically, existing solutions place battery modules together in a box to supply power to electrical appliances. Multiple batteries generate high heat. If the heat exceeds the amount of heat that the battery can withstand, the battery will be damaged. If one of the batteries is damaged, the adjacent batteries will not be able to connect, causing problems such as a short circuit, thereby damaging the adjacent batteries. Summary of the invention

[0004] The purpose of the present invention is to provide a high-safety battery module and a battery heat dissipation mechanism to solve the technical problem that multiple batteries generate a large amount of heat, and the batteries affect each other, and damage to one battery causes damage to other batteries. The batteries can be completely separated and the generated heat can be separately exported, thereby facilitating the purpose of stable operation of multiple batteries.

[0005] In order to solve the above technical problems, the present invention provides a high-safety battery module, comprising: a first box, wherein at least one heat insulation component is arranged in the first box, and adjacent heat insulation components are arranged horizontally with equal distances, and the heat insulation component comprises a battery and a heat conductive sheet;

[0006] A second box body, wherein the side wall of the second box body is connected to the side wall of the first box body, one end of the heat conductive sheet is connected to the battery, and the other end of the heat conductive sheet sequentially penetrates the side walls of the first box body and the second box body and extends into the second box body.

[0007] Furthermore, the thermal insulation assembly also includes a thermal insulation box and a thermal insulation cover, the thermal insulation box is provided with a threaded hole, and the thermal insulation cover is provided with a round hole; the thermal insulation cover is threadedly connected to the thermal insulation box by screws passing through the round hole and the threaded hole in sequence.

[0008] Furthermore, a first box cover is disposed at the top of the first box body, and a pull frame is disposed at the top of the first box cover;

[0009] A fixing plate is horizontally arranged inside the first box body, and the heat insulation components are all arranged on the upper surface of the fixing plate.

[0010] Furthermore, a heat conduction box is provided between the heat insulation box and the battery, and the heat conduction box is attached to the battery;

[0011] The heat conducting sheet sequentially passes through the fixing plate and the heat insulating box and is connected to the heat conducting box to conduct the heat of the battery, and a heat insulating plate is provided on one side of the heat conducting sheet close to the adjacent heat conducting sheet;

[0012] A plurality of fins are arranged on a side of the heat conducting plate away from the heat insulating plate, and the plurality of fins are all arranged in the second box body.

[0013] Furthermore, a second box cover is arranged on the top of the second box body, heat dissipation holes are arranged on the side walls of the second box body, and two vertical first sliding grooves are arranged on the inner wall of the second box body.

[0014] A battery heat dissipation mechanism comprises: a driving component, a heat dissipation component and a high-safety battery module as described in any one of the above items, wherein the driving component and the heat dissipation component are both arranged in the second box.

[0015] Furthermore, the driving assembly includes a threaded rod and a slider, the threaded rod is arranged in parallel between the two first sliding grooves, the side wall of the slider slides in the two first sliding grooves, and the slider is sleeved on the outer side of the threaded rod and is slidably connected to the threaded rod.

[0016] Furthermore, a motor is disposed in the second box cover, and an output shaft of the motor sequentially passes through the second box cover and the second box body and is coaxially connected to the threaded rod.

[0017] Furthermore, the slide block is provided with a second slide groove, and a horizontal rack is slidably arranged in the second slide groove;

[0018] The slide block is provided with a horizontal hydraulic rod, and the output shaft of the hydraulic rod extends into the second slide groove and is connected to the rack;

[0019] A controller is disposed on the side wall of the first box body, and the controller is used to control the motor and the hydraulic rod.

[0020] Furthermore, the heat dissipation assembly includes a mounting plate and a fan, and the side wall of the mounting plate is rotatably connected to the side wall of the slider;

[0021] One end of the mounting plate is connected to a gear via a rotating column, and the gear is meshed with the rack;

[0022] The other end of the mounting plate is connected to the fan.

[0023] The beneficial effects of the present invention are:

[0024] 1. The present invention sets a heat insulation component, and the battery is placed in the heat insulation box and the heat conduction box in turn. The heat of the battery is transferred to the heat conduction box. The heat conductive sheet contacts the heat conduction box and transfers the heat to the second box body and dissipates it from the heat dissipation holes, thereby reducing the temperature of the battery, ensuring the stability of the battery operation, and prolonging the service life.

[0025] 2. The present invention sets a heat dissipation component. The motor drives the threaded rod to rotate, thereby driving the fan to move up and down. The fan blows air in the second box to blow heat out of the heat dissipation holes; the hydraulic rod pushes the rack, and the gear rotates to drive the fan to rotate, thereby changing the direction of the fan, thereby improving the uniformity and efficiency of heat dissipation.

[0026] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1 It is a structural schematic diagram of a high-safety battery module and a battery heat dissipation mechanism of the present invention;

[0029] Figure 2 yes Figure 1 Schematic diagram of the internal structure;

[0030] Figure 3 It is a schematic diagram of the internal structure of the second box of the present invention;

[0031] Figure 4 is a schematic structural diagram of the heat insulation assembly of the present invention;

[0032] Figure 5 yes Figure 2 A magnified view of location A;

[0033] Figure 6 yes Figure 4 A magnified view of location B;

[0034] Figure 7 yes Figure 3 Enlarged view of location C;

[0035] Figure 8 yes Figure 3 A magnified view of location D;

[0036] In the figure:

[0037] 1. First box body; 11. First box cover; 12. Pull frame; 13. Controller; 2. Second box body; 21. Second box cover; 22. Heat dissipation holes; 23. First slide slot; 3. Fixing plate; 4. Heat insulation assembly; 41. Battery; 411. Heat conduction box; 42. Heat conduction sheet; 421. Heat insulation board; 422. Fin; 43. Heat insulation box; 431. Threaded hole; 44. Heat insulation cover; 441. Round hole; 442. Screw; 5. Drive assembly; 51. Threaded rod; 52. Slider; 521. Second slide slot; 53. Motor; 54. Hydraulic rod; 55. Rack; 6. Heat dissipation assembly; 61. Mounting plate; 62. Fan; 63. Gear; 631. Rotating column. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all the embodiments. 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.

[0039] Embodiment 1:

[0040] like Figures 1 to 7 As shown, a high-safety battery module includes: a first box body 1 and a second box body 2, at least one heat insulation component 4 is arranged in the first box body 1, and adjacent heat insulation components 4 are arranged horizontally and equidistantly, and the heat insulation components 4 do not affect each other. The heat generated by the battery 41 is blocked by the heat insulation component 4 to avoid damage to other batteries 41 due to damage to one battery 41. A first box cover 11 is arranged at the top of the first box body 1, and a pull frame 12 is arranged at the top of the first box cover 11; a fixing plate 3 is horizontally arranged inside the first box body 1, and the heat insulation components 4 are all arranged on the upper surface of the fixing plate 3.

[0041] like Figure 4 As shown, the heat insulation component 4 includes a battery 41 and a heat conductive sheet 42; the heat insulation component 4 also includes a heat insulation box 43 and a heat insulation cover 44, the heat insulation box 43 is provided with a threaded hole 431, and the heat insulation cover 44 is provided with a round hole 441; the heat insulation cover 44 is threadedly connected to the heat insulation box 43 by means of a screw 442 which penetrates the round hole 441 and the threaded hole 431 in sequence, the threaded hole 431 and the round hole 441 are coaxially arranged, and the heat insulation box 43 and the heat insulation cover 44 are installed or removed by screwing in or out the screw 442, so that the battery 41 can be installed in the heat insulation box 43 conveniently, and the battery 41 can be removed conveniently when it needs to be inspected or replaced.

[0042] In this embodiment, a heat conducting box 411 is arranged between the heat insulating box 43 and the battery 41, and the heat conducting box 411 is in contact with the battery 41, and the heat generated by the battery 41 is absorbed by the heat conducting box 411; the heat conducting sheet 42 passes through the fixed plate 3 and the heat insulating box 43 in sequence and is connected to the heat conducting box 411 to conduct the heat of the battery 41, and the heat conducting sheet 42 is in contact with the heat conducting box 411 to absorb the heat transferred from the battery 41 to the heat conducting box 411, and a heat insulating plate 421 is in contact with one side of the heat conducting sheet 42 close to the adjacent heat conducting sheet 42, and the heat insulating plate 421 blocks the heat on the heat conducting sheet 42 to prevent the heat from being transferred between the adjacent heat conducting sheets 42, which causes the heat of the battery 41 to increase.

[0043] like Figure 7 As shown, the side wall of the second box body 2 is connected to the side wall of the first box body 1, a second box cover 21 is arranged on the top of the second box body 2, a heat dissipation hole 22 is opened on the side wall of the second box body 2, and two vertical first slide grooves 23 are opened on the inner wall of the second box body 2; one end of the heat conductive sheet 42 is connected to the battery 41, and the other end of the heat conductive sheet 42 successively penetrates the side walls of the first box body 1 and the second box body 2 and extends into the second box body 2, and the heat conductive sheet 42 absorbs the heat on the heat conductive box 411 and transfers it to the second box body 2, and the heat is discharged through the heat dissipation holes 22 on the second box body 2, thereby reducing the heat of the battery 41; a plurality of fins 422 are arranged on the side of the heat conductive sheet 42 away from the heat insulation plate 421, and the plurality of fins 422 are all arranged in the second box body 2, and the fins 422 accelerate the heat dissipation of the heat conductive sheet 42 and improve the heat discharge efficiency.

[0044] Embodiment 2:

[0045] like Figure 3 and Figure 8 As shown, based on the high-safety battery module of Example 1, this embodiment provides a battery heat dissipation mechanism, including: a drive component 5, a heat dissipation component 6 and the high-safety battery module in Example 1, and the drive component 5 and the heat dissipation component 6 are both arranged in the second box body 2.

[0046] Among them, Figure 3 As shown, the driving assembly 5 includes a threaded rod 51 and a slider 52. The threaded rod 51 is arranged in parallel between the two first slide grooves 23. The side wall of the slider 52 slides in the two first slide grooves 23. The slider 52 is sleeved on the outer side of the threaded rod 51 and is slidably connected to the threaded rod 51. A motor 53 is arranged in the second box cover 21. The output shaft of the motor 53 passes through the second box cover 21 and the second box body 2 in sequence and is coaxially connected to the threaded rod 51. The motor 53 drives the threaded rod 51 to rotate, and the slider 52 moves up and down along the vertical threaded rod 51. The two ends of the slider 52 slide in the first slide grooves 23, which improves the stability of the slider 52 during the sliding process and prevents the slider 52 from shaking and falling.

[0047] like Figure 8As shown, the heat dissipation assembly 6 includes a mounting plate 61 and a fan 62. The side wall of the mounting plate 61 is rotatably connected to the side wall of the slider 52. The slider 52 is provided with a horizontal second slide groove 521. A horizontal rack 55 is slidably arranged in the second slide groove 521. A horizontal hydraulic rod 54 is arranged on the slider 52. The output shaft of the hydraulic rod 54 extends into the second slide groove 521 and is connected to the rack 55. The hydraulic rod 54 pushes the rack 55 to move horizontally.

[0048] In this embodiment, one end of the mounting plate 61 is connected to a gear 63 through a rotating column 631, and the gear 63 is meshed with the rack 55. When the rack 55 moves, the gear 63 rotates accordingly, thereby driving the mounting plate 61 to rotate; the other end of the mounting plate 61 is connected to a fan 62, and the fan 62 is driven by the mounting plate 61 to move up and down to blow air for heat dissipation. At the same time, the fan 62 follows the rotation of the mounting plate 61 to change the blowing direction so that the heat dissipation is more uniform; when the slider 52 moves up and down, it drives the mounting plate 61 up and down; a controller 13 is provided on the side wall of the first box body 1, and the controller 13 is used to control the start of the motor 53 and the hydraulic rod 54.

[0049] To sum up, when the high-safety battery module is working, the heat generated by the battery 41 is absorbed by the heat conducting box 411, and the heat conducting sheet 42 absorbs the heat on the heat conducting box 411 and transfers it to the second box body 2, and the fins 422 accelerate the heat dissipation of the heat conducting sheet 42 and transfer it out from the heat dissipation holes 22; the controller 13 controls the motor 53 and the hydraulic rod 54 to start, and the motor 53 drives the threaded rod 51 to rotate, thereby driving the slider 52 to move up and down, and at the same time the gear 63 rotates on the rack 55 to change the direction of the fan 62, so as to achieve rapid and uniform heat dissipation.

[0050] The various devices selected in this application are all universal standard parts or parts known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0051] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0053] Based on the above ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the technical concept of the present invention through the above description. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A high-safety battery module, characterized in that: include: A first box (1), wherein at least one heat insulation component (4) is arranged in the first box (1), and adjacent heat insulation components (4) are arranged horizontally and equidistantly, and the heat insulation component (4) comprises a battery (41) and a heat conducting sheet (42); A second box body (2), wherein a side wall of the second box body (2) is connected to a side wall of the first box body (1), one end of the heat conductive sheet (42) is connected to the battery (41), and the other end of the heat conductive sheet (42) sequentially penetrates the side walls of the first box body (1) and the second box body (2) and extends into the second box body (2).

2. A high-safety battery module as claimed in claim 1, characterized in that: The thermal insulation assembly (4) further comprises a thermal insulation box (43) and a thermal insulation cover (44); the thermal insulation box (43) is provided with a threaded hole (431), and the thermal insulation cover (44) is provided with a circular hole (441); the thermal insulation cover (44) is threadedly connected to the thermal insulation box (43) by means of screws (442) which penetrate the circular hole (441) and the threaded hole (431) in sequence.

3. A high-safety battery module as claimed in claim 2, characterized in that: A first box cover (11) is provided at the top end of the first box body (1), and a pull frame (12) is provided at the top end of the first box cover (11); A fixing plate (3) is horizontally arranged inside the first box body (1), and the heat insulation components (4) are all arranged on the upper surface of the fixing plate (3).

4. A high-safety battery module as claimed in claim 3, characterized in that: A heat conduction box (411) is provided between the heat insulation box (43) and the battery (41), and the heat conduction box (411) is in contact with the battery (41); The heat conducting sheet (42) sequentially passes through the fixing plate (3) and the heat insulating box (43) and is connected to the heat conducting box (411) to conduct heat of the battery (41); a heat insulating plate (421) is provided on one side of the heat conducting sheet (42) close to an adjacent heat conducting sheet (42); A plurality of fins (422) are provided on a side of the heat conducting sheet (42) away from the heat insulating plate (421), and the plurality of fins (422) are all arranged in the second box body (2).

5. A high-safety battery module as claimed in claim 1, characterized in that: A second box cover (21) is provided at the top of the second box body (2), a heat dissipation hole (22) is provided on the side wall of the second box body (2), and two vertical first sliding grooves (23) are provided on the inner wall of the second box body (2).

6. A battery heat dissipation mechanism, characterized in that: include: A driving component (5), a heat dissipation component (6) and a high-safety battery module as claimed in any one of claims 1 to 5, wherein the driving component (5) and the heat dissipation component (6) are both arranged in the second box (2).

7. A battery heat dissipation mechanism as claimed in claim 6, characterized in that: The driving assembly (5) comprises a threaded rod (51) and a slider (52); the threaded rod (51) is arranged in parallel between the two first sliding grooves (23); the side wall of the slider (52) slides in the two first sliding grooves (23); the slider (52) is sleeved on the outer side of the threaded rod (51) and is slidably connected to the threaded rod (51).

8. A battery heat dissipation mechanism as claimed in claim 7, characterized in that: A motor (53) is arranged inside the second box cover (21), and an output shaft of the motor (53) sequentially passes through the second box cover (21) and the second box body (2) and is coaxially connected to the threaded rod (51).

9. A battery heat dissipation mechanism as claimed in claim 8, characterized in that: The slider (52) is provided with a second slide groove (521), and a horizontal rack (55) is slidably arranged in the second slide groove (521); The slide block (52) is provided with a horizontal hydraulic rod (54), and the output shaft of the hydraulic rod (54) extends into the second slide groove (521) and is connected to the rack (55); A controller (13) is provided on the side wall of the first box body (1), and the controller (13) is used to control the motor (53) and the hydraulic rod (54).

10. A battery heat dissipation mechanism as claimed in claim 9, characterized in that: The heat dissipation assembly (6) comprises a mounting plate (61) and a fan (62), and the side wall of the mounting plate (61) is rotatably connected to the side wall of the slider (52); One end of the mounting plate (61) is connected to a gear (63) via a rotating column (631), and the gear (63) is meshed with the rack (55); The other end of the mounting plate (61) is connected to the fan (62).

Citation Information

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