Battery module with heating function
By setting heating components and breathable mesh plates on the upper and lower covers of the battery module, combined with flexible pads and thermally conductive silicone pads, the battery module can achieve heating and insulation in low-temperature environments and uniform heat dissipation in high-temperature environments, thus solving the problem of battery module use under different temperature conditions.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-03-20
AI Technical Summary
Existing battery modules are prone to overheating in high-temperature environments and have poor internal ion conduction in low-temperature environments, which affects battery life and safety. Existing heating methods affect heat dissipation at high temperatures and have poor heating effects at low temperatures.
Design a battery module with heating function, which uses upper and lower cover plates to set heating components and breathable mesh plates respectively, combined with flexible pads and thermally conductive silicone pads to achieve uniform heating and heat dissipation, and connects to an external controller via leads to control the operation of the heating film.
It effectively heats and keeps the battery module warm in low-temperature environments and does not affect heat dissipation in high-temperature environments, ensuring stable operation of the battery module under different temperature conditions.
Smart Images
Figure CN224020820U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to battery technology field especially is with heating function's battery module. BACKGROUND
[0002] Battery module is the combination of multiple battery units (single battery) connected together by a specific way. This connection mode can be series, parallel or a mixture of the two, to meet the specific application requirements, such as electric vehicles, energy storage systems, etc.
[0003] The existing battery module is affected by the ambient temperature when in use, in high temperature environment, it is easy to cause the battery pack overheating, the service life of the battery and the battery safety have greater influence; in low temperature environment, the conduction ability of the battery internal charged ion is poor, the transfer and embedding ability of the electric charge in the negative material structure is also poor, it is easy to cause the battery pack temperature too low and power failure.
[0004] At present, in order to prevent the battery module from power failure due to low temperature, the battery module is generally heated by wrapping the battery module with a large area of heating film, but in the hot environment of summer, it will seriously affect the heat dissipation of the battery module, so it is urgent to design a new battery structure to improve this problem. SUMMARY
[0005] The utility model aims at providing a battery module with heating function, simple structure, can heat and keep warm for battery module in low temperature environment, also will not cause great influence to the heat dissipation effect of battery module in high temperature environment.
[0006] In order to realize the above-mentioned purpose, the utility model provides a battery module with heating function, including protection shell, the inside of protection shell places battery assembly, battery assembly is connected with the battery connecting plate fixed on the protection shell through the wire, the top and bottom of protection shell is installed with upper cover plate and lower cover plate respectively, the fixed plate and the air permeable net plate are arranged on the upper cover plate and the lower cover plate, the fixed plate of upper cover plate and the air permeable net plate of lower cover plate vertically correspond, the fixed plate of lower cover plate and the air permeable net plate of upper cover plate vertically correspond, the inner side of fixed plate of upper cover plate is attached with first heating assembly, the inner side of fixed plate of lower cover plate is attached with second heating assembly.
[0007] Preferably, flexible pads are arranged between the battery assembly and the inner wall of the protection shell.
[0008] Preferably, mounting columns are arranged on the inner side of the protection shell, threaded holes are formed in the mounting columns, and the upper cover plate and the lower cover plate are installed on the mounting columns by fixed screws.
[0009] Preferably, the first heating assembly and the second heating assembly each comprise a heat insulation pad attached to the inner side of the fixed plate, a heating film is covered on the heat insulation pad, and a heat-conducting silica gel pad is covered on the heating film.
[0010] Preferably, the heating films of the first heating assembly and the second heating assembly are electrically connected through lead wires and are led out to the outside of the protective shell.
[0011] Therefore, the battery module with the heating function has simple structure, can heat and keep warm the battery module in a low-temperature environment, and will not greatly affect the heat dissipation effect of the battery module in a high-temperature environment.
[0012] The technical scheme of the utility model will be further described in detail below with reference to the drawings and embodiments. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 is a perspective structural schematic view of an embodiment of the battery module with the heating function of the utility model;
[0014] Figure 2 is a schematic view of the internal structure of the battery module with the heating function of the utility model;
[0015] Figure 3 is a schematic view of the split structure of the battery module with the heating function of the utility model;
[0016] Figure 4 is a structure comparison view of the upper cover plate and the lower cover plate of the battery module with the heating function of the utility model; wherein, (a) is the upper cover plate, (b) is the lower cover plate, (c) is the first heating assembly, and (d) is the second heating assembly;
[0017] Figure 5 is a schematic view of the heating assembly structure of the battery module with the heating function of the utility model.
[0018] REFERENCE NUMERALS
[0019] 1, protective shell; 2, battery assembly; 3, flexible pad block; 4, battery connecting plate; 5, mounting column; 6, fixing screw; 7, upper cover plate; 8, lower cover plate; 9, first heating assembly; 10, second heating assembly; 11, lead wire; 12, fixed plate; 13, air-permeable mesh plate; 14, heat insulation pad; 15, heating film; 16, heat-conducting silica gel pad. DETAILED DESCRIPTION
[0020] The technical scheme of the utility model will be further described in detail below with reference to the drawings and embodiments.
[0021] Unless otherwise defined, the technical or scientific terms used in this utility model shall have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0022] Example 1
[0023] like Figure 1 As shown, this utility model provides a battery module with a heating function, including a protective shell 1, and a battery assembly 2 is placed inside the protective shell 1, such as... Figure 2 As shown, the battery assembly 2 is located at the center of the protective shell 1. The protective shell 1 effectively protects the battery assembly 2, preventing it from being easily damaged. A flexible pad 3 is provided between the battery assembly 2 and the inner wall of the protective shell 1, which provides shock absorption for the battery assembly 2 to a certain extent. The battery assembly 2 is connected to a battery connection plate 4 fixed to the protective shell 1 via wires, facilitating power access for electrical devices through the battery connection plate 4.
[0024] like Figure 3 As shown, an upper cover plate 7 and a lower cover plate 8 are respectively installed on the top and bottom of the protective shell 1. The upper cover plate 7 and the lower cover plate 8 can also provide protection for the upper and lower sides of the battery assembly 2. A mounting post 5 is provided on the inner side of the protective shell 1. The mounting post 5 has threaded holes. The upper cover plate 7 and the lower cover plate 8 are both installed on the mounting post 5 by fixing screws 6.
[0025] like Figure 4As shown, the upper cover plate 7 and the lower cover plate 8 are provided with the fixed plate 12 and the air permeable mesh plate 13, the fixed plate 12 of the upper cover plate 7 and the air permeable mesh plate 13 of the lower cover plate 8 vertically correspond, the fixed plate 12 of the lower cover plate 8 and the air permeable mesh plate 13 of the upper cover plate 7 vertically correspond, the inner side of the fixed plate 12 of the upper cover plate 7 is attached with the first heating assembly 9, and the inner side of the fixed plate 12 of the lower cover plate 8 is attached with the second heating assembly 10. The design can ensure that the upper and lower sides of the battery assembly 2 are covered with the heating structure and the heat dissipation structure, can make the heating effect and the heat dissipation effect of the battery assembly 2 more uniform, and can also ensure that the two sides of each battery unit in the battery assembly 2 are provided with the heating structure and the heat dissipation structure, can effectively heat each battery unit when the temperature is low, and can ensure the heat dissipation effect of each battery unit when the temperature is high, and can effectively ensure the working state of the battery assembly 2 in different use scenarios.
[0026] As shown in the figure, Figure 5 The first heating assembly 9 and the second heating assembly 10 each include a heat insulation pad 14 attached to the inner side of the fixed plate 12, which can effectively prevent the internal heat from being conducted to the fixed plate 12 in a large amount, and is beneficial to heat preservation of the battery assembly 2. The heat insulation pad 14 is covered with a heating film 15, which can provide heat in the battery heating working condition. The heating film 15 is covered with a heat-conducting silica gel pad 16, which can uniformly transmit the heat generated by the heating film 15 to the battery assembly 2.
[0027] The heating film 15 of the first heating assembly 9 and the second heating assembly 10 is electrically connected through a lead and introduced to the outside of the protective shell 1, so as to facilitate the external controller to control the working state of the heating film 15.
[0028] Therefore, the battery module with the heating function has the advantages of simple structure, can heat and heat preservation for the battery module in a low-temperature environment, and will not greatly affect the heat dissipation effect of the battery module in a high-temperature environment.
[0029] Finally, it should be noted that: the above examples are only used to illustrate the technical scheme of the utility model and not to limit it, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical scheme of the utility model can still be modified or replaced, and these modifications or replacements cannot make the modified technical scheme deviate from the spirit and scope of the technical scheme of the utility model.
Claims
1. A battery module with a heating function, characterized in that: The device includes a protective shell, inside which a battery assembly is placed. The battery assembly is connected to a battery connection plate fixed to the protective shell via wires. An upper cover plate and a lower cover plate are respectively installed on the top and bottom of the protective shell. A fixing plate and a ventilated mesh plate are alternately arranged on the upper cover plate and the lower cover plate. The fixing plate of the upper cover plate and the ventilated mesh plate of the lower cover plate are vertically aligned, and the fixing plate of the lower cover plate and the ventilated mesh plate of the upper cover plate are vertically aligned. A first heating component is attached to the inner side of the fixing plate of the upper cover plate, and a second heating component is attached to the inner side of the fixing plate of the lower cover plate.
2. A battery module with heating function according to claim 1, characterized in that: A flexible pad is provided between the battery assembly and the inner wall of the protective shell.
3. A battery module with heating function according to claim 1, characterized in that: The inner side of the protective shell is provided with a mounting post, and the mounting post has a threaded hole. The upper cover plate and the lower cover plate are both installed on the mounting post by fixing screws.
4. A battery module with heating function according to claim 1, characterized in that: Both the first heating component and the second heating component include a heat insulation pad attached to the inner side of the fixed plate, the heat insulation pad being covered with a heating film, and the heating film being covered with a thermally conductive silicone pad.
5. A battery module with heating function according to claim 4, characterized in that: The heating films of the first heating component and the second heating component are electrically connected by leads and extend into the outside of the protective shell.