Battery module with heat dissipation channel
By designing heat dissipation channels and heat conduction plates in the battery module in conjunction with the air supply mechanism, the problem of untimely heat dissipation of the battery module is solved, achieving multi-faceted cooling effect and extending the service life of the battery module.
Patent Information
- Application Number
- CN202520134800.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing battery modules may suffer from inadequate heat dissipation, which could lead to safety hazards and affect battery performance and lifespan.
Design a battery module with heat dissipation channels, including a housing, an air supply mechanism and a battery pack. By forming multiple interconnected heat dissipation channels and a heat conduction plate in conjunction with the air supply mechanism, multi-faceted cooling of the battery pack can be achieved.
It effectively improves the heat dissipation of the battery module, extends the service life of the battery module, and reduces safety hazards.
Smart Images
Figure CN223956632U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to new energy technology field especially, and it is a battery module with heat dissipation channel. BACKGROUND
[0002] In recent years, the development of electric vehicles has gained new vitality as energy and environmental issues have attracted much attention. As the main power source of electric vehicles, the quality of power battery pack determines the driving range, safety and service life of electric vehicles. However, temperature has a significant impact on the performance of the battery pack. If the battery pack does not take appropriate heat dissipation measures, it will lead to battery charge and discharge performance degradation, accelerated aging, and even thermal runaway or explosion. SUMMARY
[0003] The utility model discloses a battery module with heat dissipation channel, which aims to solve the technical problem of the existing battery module that is not timely and easy to cause safety hazards.
[0004] To achieve the above-mentioned purpose, the utility model embodiment provides a battery module with heat dissipation channel, which comprises a shell, a blowing mechanism and a plurality of battery packs. The blowing mechanism is installed on the side end of the shell and is used to blow air into the shell. The other side of the shell relative to the blowing mechanism is provided with an air outlet. Each battery pack is fixed in the shell, and a partition plate is provided between the two adjacent battery packs. The first heat dissipation channel is formed between the shell and one side of each battery pack. The second heat dissipation channel is formed between the shell and the other side of each battery pack. The third heat dissipation channel is formed between the shell and the top of each battery pack. The first heat dissipation channel, the second heat dissipation channel, the third heat dissipation channel and the air outlet are connected with each other.
[0005] Optionally, a plurality of heat dissipation holes are provided on the partition plate, and each heat dissipation hole is arranged along the height direction of the partition plate.
[0006] Optionally, the width of the partition plate is greater than the width of the battery pack.
[0007] Optionally, the bottom of the shell is further provided with a heat conduction plate, and each battery pack is placed on the heat conduction plate. The heat conduction plate is used for heat exchange with each battery pack.
[0008] Optionally, a plurality of strip-shaped holes are provided on the heat conduction plate, and each strip-shaped hole penetrates through both ends of the heat conduction plate along the length direction of the heat conduction plate.
[0009] Optionally, a plurality of heat conduction holes are provided on the side of the heat conduction plate facing the battery pack, and each heat conduction hole is in communication with the corresponding strip-shaped hole.
[0010] Optionally, the heat-conducting plate is provided with a clamping groove for limiting each battery pack.
[0011] Optionally, the air supply mechanism comprises a motor and a fan, the fan is fixed to an air inlet of the shell, and a main shaft of the motor is connected with the fan and used for driving the fan to rotate.
[0012] Optionally, the air supply mechanism further comprises a filter screen, the filter screen is installed on a side of the fan away from the motor and located between the shell and the fan, and the filter screen is provided with filter holes.
[0013] Optionally, the fan is connected with the shell through screws.
[0014] The battery module with the heat dissipation channels provided by the embodiment of the utility model has at least one of the following technical effects: when the battery module dissipates heat, the air supply mechanism generates air volume, the air generated by the air supply mechanism passes through the first heat dissipation channel, the second heat dissipation channel and the third heat dissipation channel at the same time, converges to the air outlet and is discharged, and heat exchange with the battery pack occurs in the process, so that the purpose of reducing heat dissipation is achieved. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.
[0016] Figure 1 The structural schematic diagram of the battery module with the heat dissipation channels provided by the embodiment of the utility model.
[0017] Figure 2 The sectional view of the battery module with the heat dissipation channels provided by the embodiment of the utility model.
[0018] Figure 3 The Figure 2 The enlarged schematic view of A in the middle.
[0019] Figure 4 The Figure 2 The enlarged schematic view of B in the middle.
[0020] Figure 5 The schematic view of the flow direction of the air in the battery module provided by the embodiment of the utility model.
[0021] Figure 6The structure schematic view of the heat conduction plate is provided for the embodiment of the utility model.
[0022] In the figure, various reference signs:
[0023] 10 - shell 11 - air inlet 12 - air outlet
[0024] 13 - first heat dissipation channel 14 - second heat dissipation channel 15 - third heat dissipation channel
[0025] 20 - battery pack 30 - partition plate 31 - heat dissipation hole
[0026] 40 - heat conduction plate 41 - strip hole 42 - heat conduction hole
[0027] 50 - motor 60 - fan 70 - filter screen
[0028] 71 - filter hole. DETAILED DESCRIPTION
[0029] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The following will be described by referring to the drawings Figures 1-6 The described embodiments are exemplary and are intended to explain the embodiments of the utility model, and cannot be understood as a limitation of the utility model.
[0030] In the description of the embodiments of the utility model, it is understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the utility model.
[0031] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0032] In the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0033] In one embodiment of the present application, as shown in Figures 1-6 A battery module with a heat dissipation channel is provided, which comprises a shell 10, a blower mechanism and a plurality of battery packs 20; the shell 10 is provided with a cavity for accommodating the battery packs 20, one end of the shell 10 is provided with an air inlet 11, and the other end is provided with an air outlet 12, the air inlet 11 and the air outlet 12 are oppositely arranged. The blower mechanism is installed on the side end of the shell 10 and is used for blowing air into the shell 10, and the other side of the shell 10 relative to the blower mechanism is provided with the air outlet 12; each battery pack 20 is electrically connected between the battery packs 20 and is fixed in the shell 10, and a partition plate 30 is arranged between the two adjacent battery packs 20; the first heat dissipation channel 13 is formed between the shell 10 and one side of each battery pack 20, the second heat dissipation channel 14 is formed between the shell 10 and the other side of each battery pack 20, and the third heat dissipation channel 15 is formed between the shell 10 and the top of each battery pack 20; the first heat dissipation channel 13, the second heat dissipation channel 14, the third heat dissipation channel 15 and the air outlet 12 are communicated with each other.
[0034] Specifically, when the battery module dissipates heat, the blower mechanism generates air volume, the air generated by the blower mechanism enters the air inlet 11, and the flowing air passes through the first heat dissipation channel 13, the second heat dissipation channel 14 and the third heat dissipation channel 15 at the same time, and finally flows to the air outlet 12 for exhaust, and heat exchange with the battery pack 20 occurs in the process, so as to achieve the purpose of reducing heat dissipation. In this way, the air generated by the blower mechanism can cool the multiple surfaces of the battery pack 20, the cooling effect is good, and the service life of the battery module is greatly prolonged.
[0035] In the embodiments of the present application, as shown in Figure 2 and Figure 4 A plurality of heat dissipation holes 31 are arranged on the partition plate 30, and the heat dissipation holes 31 are arranged in sequence and spaced apart along the height direction of the partition plate 30. Specifically, the two ends of each heat dissipation hole 31 are communicated with the first heat dissipation channel 13 and the second heat dissipation channel 14 respectively, when the blower mechanism generates wind force, the flowing air passes through the first heat dissipation channel 13 and the second heat dissipation channel 14, and the air in the heat dissipation hole 31 is extracted from the heat dissipation hole 31 due to the pressure, thereby further improving the heat dissipation effect.
[0036] In the embodiment, as shown in Figures 2-5 The width of the partition plate 30 is greater than the width of the battery pack 20. Specifically, the cross-sectional area of the partition plate 30 along the direction parallel to the fan 60 is greater than the cross-sectional area of the single battery pack 20 along the direction parallel to the fan 60.
[0037] In the embodiment, as shown in Figure 2 and Figure 6 The bottom of the shell 10 is further provided with a heat-conducting plate 40, and each battery pack 20 is placed on the heat-conducting plate 40, which is used for heat exchange with each battery pack 20. Specifically, the heat-conducting plate 40 is fixed to the bottom of the shell 10, and each battery pack 20 is fixed to the heat-conducting plate 40. When each battery pack generates heat, the heat is transferred to the heat-conducting plate 40 and is taken away by the air generated by the air supply mechanism.
[0038] In the embodiment, as shown in Figure 6 The heat-conducting plate 40 is provided with a plurality of strip-shaped holes 41, and each strip-shaped hole 41 penetrates through both ends of the heat-conducting plate 40 along the length direction of the heat-conducting plate 40. Specifically, one end of the strip-shaped hole 41 is directed to the air inlet 11, and the other end is directed to the air outlet 12. The air generated by the air supply mechanism can enter through each strip-shaped hole 41, thereby accelerating the cooling effect of the heat-conducting plate 40 on the battery pack 20.
[0039] In the embodiment, as shown in Figure 6 The side of the heat-conducting plate 40 directed to the battery pack 20 is provided with a plurality of heat-conducting holes 42 in communication with the corresponding strip-shaped holes 41. Specifically, each strip-shaped hole 41 is in communication with a plurality of heat-conducting holes 42. The arrangement of the heat-conducting holes 42 further improves the heat dissipation effect.
[0040] In the embodiment, the heat-conducting plate 40 is provided with a clamping groove for limiting each battery pack 20. Specifically, the battery pack 20 is limited on the heat-conducting plate 40 by the clamping groove, so that the heat-conducting plate 40 is not easy to move. Of course, in addition to the clamping groove, other fixing methods such as riveting, clamping, etc. can also be used.
[0041] In the embodiment, as shown in Figures 1-2 The air supply mechanism includes a motor 50 and a fan 60. The fan 60 is fixed to the air inlet 11 of the shell 10, and the main shaft of the motor 50 is connected with the fan 60 and is used for driving the fan 60 to rotate. Specifically, the rotation of the main shaft of the motor 50 drives the rotation of the fan blades of the fan 60. The rotation of the fan blades generates air volume, and the air is sent into the shell 10 from the air inlet 11.
[0042] In the embodiment, as shown in Figures 1-2As shown, the air blower mechanism further comprises a filter screen 70, which is installed on the side of the fan 60 away from the motor 50 and between the housing 10 and the fan 60; the filter screen 70 is provided with filter holes 71. Specifically, the filter screen 70 is installed in the fan 60 to prevent external foreign matters from entering the housing 10; the filter screen 70 is also provided at the air outlet 12, and the filter holes 71 of the filter screen 70 can allow air to pass through.
[0043] In the embodiment, as shown, Figures 1-2 The fan 60 is connected with the housing 10 by screws. Specifically, the fan 60 is detachably connected with the housing 10 by screws, which facilitates installation and maintenance.
[0044] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A battery module having a heat dissipation channel, characterized by: The application relates to a battery pack, which comprises a shell, a blowing mechanism and a plurality of battery packs; the blowing mechanism is installed at one side end of the shell and is used for blowing air into the shell; the other side of the shell relative to the blowing mechanism is provided with an air outlet; each battery pack is fixed in the shell, and a partition plate is arranged between two adjacent battery packs; a first heat dissipation channel is formed between the shell and one side of each battery pack, a second heat dissipation channel is formed between the shell and the other side of each battery pack, and a third heat dissipation channel is formed between the shell and the top of each battery pack; the first heat dissipation channel, the second heat dissipation channel, the third heat dissipation channel and the air outlet are communicated with each other.
2. The battery module with heat dissipation channels of claim 1, wherein: A plurality of heat dissipation holes are arranged on the partition plate and penetrate the partition plate in the transverse direction; the heat dissipation holes are arranged in the height direction of the partition plate.
3. The battery module with heat dissipation channels of claim 1, wherein: The width of the partition plate is greater than the width of the battery pack.
4. The battery module with heat dissipation channels of claim 1, wherein: The bottom of the shell is further provided with a heat conduction plate; each battery pack is placed on the heat conduction plate; the heat conduction plate is used for heat exchange with each battery pack.
5. The battery module with heat dissipation channels of claim 4, wherein: A plurality of strip-shaped holes are arranged on the heat conduction plate and penetrate the heat conduction plate at two ends in the length direction of the heat conduction plate.
6. The battery module with heat dissipation channels of claim 5, wherein: The side of the heat conduction plate, which faces the battery pack, is provided with a plurality of heat conduction holes which are communicated with the corresponding strip-shaped holes.
7. The battery module with heat dissipation channels of claim 4, wherein: The heat conduction plate is provided with clamping grooves which are used for limiting each battery pack.
8. The battery module with heat dissipation channels according to any one of claims 1-7, characterized in that: The blowing mechanism comprises a motor and a fan; the fan is fixed at the air inlet of the shell; the main shaft of the motor is connected with the fan and is used for driving the fan to rotate.
9. The battery module with heat dissipation channels of claim 8, wherein: The blowing mechanism further comprises a filter screen; the filter screen is installed at the side of the fan which is away from the motor and is located between the shell and the fan; the filter screen is provided with filter holes.
10. The battery module with heat dissipation channels of claim 8, wherein: The fan is connected with the shell through screws.