CN216597749U - Power battery thermal management system - Google Patents
Power battery thermal management system Download PDFInfo
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- CN216597749U CN216597749U CN202220089720.XU CN202220089720U CN216597749U CN 216597749 U CN216597749 U CN 216597749U CN 202220089720 U CN202220089720 U CN 202220089720U CN 216597749 U CN216597749 U CN 216597749U
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- body member
- management system
- thermal management
- heat
- heat dissipation
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Abstract
The application relates to battery technology and thermal management field, especially relates to a power battery thermal management system, and power battery thermal management system includes: the battery comprises a plurality of battery cores; the battery pack comprises a main body component, a plurality of battery cores and a battery cover, wherein the battery cores are arranged on the main body component; the heating component is provided with a heating part, and the heating part is contacted with the main body component or the heating part is contacted with the plurality of battery cells; the heat dissipation member is arranged on the main body member. The application provides a power battery thermal management system can carry out efficient heat dissipation, cooling and heating demand to the battery to ensure that electric core all can normally work under weather conditions such as high temperature or chilliness, and the radiating efficiency is high, can satisfy the heat dissipation demand of high-power, jumbo size, high density thermal current.
Description
Technical Field
The application relates to the field of battery technology and thermal management, in particular to a power battery thermal management system.
Background
At present, current battery, for example the lithium cell can guarantee normal work under general environment and operating mode, because the battery can release certain heat at the course of the work, consequently current battery possesses the heat dissipation function mostly, but this type of battery radiating effect usually, radiating efficiency are limited, still are difficult to guarantee under special environment such as high temperature or low temperature that the battery can normally work, influence the performance of battery and the corresponding equipment of use battery under special operating mode such as special climatic condition.
SUMMERY OF THE UTILITY MODEL
The purpose of the application is to provide a power battery thermal management system to solve the technical problem that the existing battery in the prior art is difficult to guarantee that the existing battery can normally work and has safety performance under special working conditions such as complex climatic conditions to a certain extent.
The application provides a power battery thermal management system, includes: the battery comprises a plurality of battery cells;
a body member to which a plurality of the battery cells are provided;
a heating member provided with a heating portion that is in contact with the main body member, or that is in contact with the plurality of battery cells;
a heat dissipating member disposed at the body member.
In the above technical solution, further, the main body member stores a liquid working medium therein.
In any one of the above technical solutions, further, the main body member has a flat plate structure, a flow channel is formed inside the main body member, and the flow channel accommodates the liquid working medium.
In any one of the above technical solutions, further, a side surface of the main body member is a heat conducting surface, and the plurality of battery cells are sequentially arranged on the heat conducting surface along the first direction.
In any of the above technical solutions, further, a side of the main body member facing away from the heat conducting surface is a heated surface;
the heating part is in contact with the heating surface.
In any one of the above aspects, a first heat sink portion is provided at one end of the main body member, a second heat sink portion is provided at the other end of the main body member, the first heat sink portion, the main body member, and the second heat sink portion are U-shaped, and both the first heat sink portion and the second heat sink portion communicate with the main body member.
In any one of the above-described aspects, the heat dissipation member is provided in each of the first heat dissipation part and the second heat dissipation part.
In any one of the above aspects, the heat radiating member further contains a coolant, and the coolant flows through the heat radiating member.
In any of the above technical solutions, further, the power battery thermal management system further includes a plurality of temperature equalization members, and the plurality of temperature equalization members are disposed on the heat conduction surface;
the temperature equalizing component is arranged between any two adjacent electric cores.
In any of the above technical solutions, further, the heating member is a film heater.
Compared with the prior art, the beneficial effect of this application is:
the power battery thermal management system that this application provided includes: the battery comprises a plurality of battery cores; the battery pack comprises a main body component, a plurality of battery cores and a battery cover, wherein the battery cores are arranged on the main body component; the heating component is provided with a heating part, and the heating part is contacted with the main body component or the heating part is contacted with the plurality of battery cells; the heat dissipation member is arranged on the main body member.
The application provides a power battery thermal management system can carry out efficient heat dissipation, cooling and heating demand to the battery to ensure that electric core all can normally work under weather conditions such as high temperature or chilliness, and the radiating efficiency is high, can satisfy the heat dissipation demand of high-power, jumbo size, high density thermal current.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a power battery thermal management system provided in an embodiment of the present application;
fig. 2 is another schematic structural diagram of a power battery thermal management system according to an embodiment of the present application.
Reference numerals:
the heat dissipation structure comprises a main body component 1, a heat conduction surface 101, a heating surface 102, a heat dissipation component 2, an electric core 3, a temperature equalization component 4, a first heat dissipation part 5, a second heat dissipation part 6 and a first direction a.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments.
The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The power battery thermal management system according to the embodiment of the application is described below with reference to fig. 1 and 2.
Referring to fig. 1 and 2, an embodiment of the present application provides a power battery thermal management system, including: the battery comprises a plurality of battery cells 3, a main body component 1, a heating component and a heat dissipation component 2, wherein the plurality of battery cells 3 are all arranged on the main body component 1, and the main body component 1 is used for bearing the plurality of battery cells 3 on one hand and absorbing heat released by the battery cells 3 or transferring heat to the battery cells 3 on the other hand; the heat dissipation member 2 is disposed on the main body member 1, and the main body member 1 absorbs heat released by the battery cell 3 and then releases the heat to the outside of the power battery thermal management system through the heat dissipation member 2, thereby achieving heat dissipation. The heating member is provided with a heating part, at least the heating part of the heating member is in contact with the main body member 1, and after the heating part generates heat, the heat is transferred to the main body member 1 so as to appropriately heat the battery core 3.
The application provides a power battery thermal management system can enough dispel the heat to electric core 3 under general environment or high temperature environment, can also heat electric core 3 under low temperature, cold environment and make electric core 3 heat up to a certain extent to make electric core 3 can normally work under the low temperature environment. Therefore, the power battery thermal management system provided by the application can normally work and ensure the safety performance under the common environment and the complex climate conditions of high temperature, low temperature and the like.
In one embodiment of the present application, preferably, as shown in fig. 1, the body member 1 stores a liquid working medium therein.
In this embodiment, the main body member 1 is hollow inside, and the main body member 1 contains a liquid working medium inside, after the electric core 3 disposed on the main body member 1 releases heat, the heat is transferred to the inside of the main body member 1 through the main body member 1 and absorbed by the liquid working medium, the temperature of the liquid working medium gradually increases after absorbing the heat, the liquid working medium evaporates after absorbing a large amount of heat to generate steam, and the steam flows to the heat dissipation member 2 inside the main body member 1 to be dissipated to the outside of the power battery thermal management system.
In one embodiment of the present application, preferably, as shown in fig. 1 and 2, the body member 1 has a flat plate structure, a flow passage is formed inside the body member 1, a liquid working medium is stored in the flow passage, and the liquid working medium circulates in the flow passage.
In one embodiment of the present application, preferably, one side surface of the body member 1 is a heat conducting surface 101, the heat conducting surface 101 is a metal plate surface with heat conductivity, and the plurality of battery cells 3 are sequentially arranged on the heat conducting surface 101 along the first direction a. Wherein the first direction a is the length direction of the main body member 1.
In this embodiment, in the state shown in fig. 2, the upper surface of the main body member 1 is a heat conduction surface 101, the plurality of battery cells 3 are sequentially arranged on the heat conduction surface 101 at intervals along the first direction a, and the heat released from each battery cell 3 is transferred to the heat conduction surface 101 and is transferred to the inside of the main body member 1 through the heat conduction surface 101.
In one embodiment of the present application, preferably, as shown in fig. 2, a side of the body member 1 facing away from the heat conducting surface 101 is a heat receiving surface 102;
the heat generating portion is in contact with the heated surface 102.
In this embodiment, the lower surface of the main plate member is a heating surface 102, a heating portion of the heating member is attached to the heating surface 102, after the heating portion generates heat, the heat is transferred to the heating surface 102, the heating surface 102 heats the liquid working medium in the flow channel inside the main body member 1, and steam generated after the liquid working medium is boiled is transferred toward the heat conducting surface 101, so as to heat the electrical core 3, and the electrical core 3 is properly heated in a cold environment, so as to ensure that the electrical core 3 can normally operate in the cold environment.
In one embodiment of the present application, as shown in fig. 1 and 2, preferably, a first heat sink member 5 is provided at one end of the body member 1, a second heat sink member 6 is provided at the other end of the body member 1, the first heat sink member 5, the body member 1, and the second heat sink member 6 are distributed in a U shape, and the first heat sink member 5 and the second heat sink member 6 are both communicated with the body member 1. Preferably, the first heat sink member 5 has an integral structure with the body member 1 and the second heat sink member 6.
In this embodiment, the first heat sink member 5 and the second heat sink member 6 each have a flat plate structure, the first heat sink member 5 and the second heat sink member 6 are provided at both ends of the body member 1 distributed in the first direction a, and the first heat sink member 5 and the second heat sink member 6 are vertically connected to the body member 1 so that the first heat sink member 5 and the second heat sink member 6 form a U-shaped structure together with the body member 1.
The inside of first heat dissipation portion 5 and second heat dissipation portion 6 all has hollow structure, and first heat dissipation portion 5 and second heat dissipation portion 6 all communicate with body member 1, the liquid working medium in body member 1 absorbs the heat of 3 releases of electric core and is heated the evaporation back, the steam flow direction first heat dissipation portion 5 and second heat dissipation portion 6 of production, heat radiation member 2 and first heat dissipation portion 5 and the contact of second heat dissipation portion 6, make the heat of steam can transmit to heat radiation member 2 and carry to this power battery thermal management system through first heat dissipation portion 5 and second heat dissipation portion 6, steam becomes in the runner of liquid working medium reflux back to body member 1 after the heat runs off simultaneously.
More preferably, among a plurality of batteries 3 arranged on body member 1 in order, form the clearance between first battery 3 and first heat dissipation portion 5, form the clearance between one battery 3 at the very end and the second heat dissipation portion 6, avoid producing the influence to neighbouring battery 3 when the inside temperature of first heat dissipation portion 5 and second heat dissipation portion 6 risees.
In one embodiment of the present application, preferably, as shown in fig. 1 and 2, the first heat sink member 5 and the second heat sink member 6 are each provided with a heat sink member 2.
Preferably, the heat radiation member 2 contains therein a cooling liquid, which flows inside the heat radiation member 2.
In this embodiment, the heat dissipation members 2 have a plate structure, preferably, the area of the heat dissipation members 2 is the same as the area of the first heat dissipation portion 5 and the area of the second heat dissipation portion 6, the number of the heat dissipation members 2 is two, the two heat dissipation members 2 are respectively disposed on the outer surfaces of the first heat dissipation portion 5 and the second heat dissipation portion 6, each heat dissipation member 2 is provided with a liquid inlet and a liquid outlet, the liquid inlet is used for introducing cooling liquid into the heat dissipation member 2, and the liquid outlet is used for flowing out the cooling liquid, so that the cooling liquid can flow in the heat dissipation member 2 in a circulating manner.
After main body member 1 absorbs the heat that electric core 3 released, the liquid working medium in main body member 1 intensifies the temperature and produces steam, steam gets into in first heat dissipation part 5 and the second heat dissipation part 6 and makes the inside temperature of first heat dissipation part 5 and second heat dissipation part 6 rise, and cooling liquid absorbs the heat of first heat dissipation part 5 and second heat dissipation part 6 in heat dissipation member 2 to the realization dispels the heat and has higher radiating efficiency to each electric core 3.
In an embodiment of the present application, preferably, as shown in fig. 2, the power battery thermal management system further includes a plurality of temperature equalizing members 4, where the plurality of temperature equalizing members 4 are disposed on the heat conducting surface 101;
a temperature equalizing component 4 is arranged between any two adjacent electric cores 3.
In this embodiment, a temperature equalizing member 4 is disposed between any two adjacent battery cells 3, the temperature equalizing member 4 may be, for example, a temperature equalizing plate, a bottom edge of the temperature equalizing member 4 is in contact with or connected to the heat conducting surface 101 of the main body member 1, and the two side wall surfaces of the temperature equalizing member 4 are respectively contacted with the side wall surfaces of two adjacent electric cores 3, so that the heat generated by the electric cores 3 can be directly transferred to the main board member through the bottom and the main body member 1, and can also be transferred to the temperature equalizing member 4 through the side walls and then transferred to the main body member 1 through the temperature equalizing member 4, thereby further improving the heat dissipation effect and the heat dissipation efficiency of the power battery heat management system on each electric core 3, and transferring high-power and high-density heat flow to the main body member 1 and the heat dissipation member 2, the power battery heat management system can solve the problem of high-power heat dissipation and can meet the heat dissipation requirement of a high-power battery pack.
In one embodiment of the present application, preferably, the heating member is a film heater (not shown in the figure), and a heating portion of the film heater is attached to the heating surface 102 of the body member 1, so that an area of the heating surface 102 of the body member 1 contacting the heating portion is maximized to ensure a temperature rise speed of the battery cell 3, and uniformity of a heating process and a heat diffusion process can be ensured.
To sum up, the power battery thermal management system that this application provided can carry out efficient heat dissipation, cooling and heating demand to the battery to ensure that electric core homoenergetic under climatic conditions such as high temperature or chilliness can normally work, and the radiating efficiency is high, can satisfy the heat dissipation demand of high-power, jumbo size, high density thermal current.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A power battery thermal management system, comprising:
the battery comprises a plurality of battery cores;
a body member to which a plurality of the battery cells are provided;
a heating member provided with a heating portion that is in contact with the main body member, or that is in contact with the plurality of battery cells;
a heat dissipating member disposed at the body member.
2. The power battery thermal management system of claim 1, wherein the body member stores a liquid working medium therein.
3. The power battery thermal management system of claim 2, wherein the main body member is of a flat plate structure, a flow channel is formed inside the main body member, and the liquid working medium is contained in the flow channel.
4. The power battery thermal management system of claim 3, wherein a side surface of the body member is a heat conducting surface, and the plurality of battery cells are sequentially arranged on the heat conducting surface along the first direction.
5. The power battery thermal management system of claim 4, wherein a side of the body member facing away from the heat transfer surface is a heated surface;
the heating part is in contact with the heating surface.
6. The power battery thermal management system according to any one of claims 1-5, wherein a first heat dissipation part is arranged at one end of the main body member, a second heat dissipation part is arranged at the other end of the main body member, the first heat dissipation part and the main body member and the second heat dissipation part are distributed in a U shape, and the first heat dissipation part and the second heat dissipation part are both communicated with the main body member.
7. The power cell thermal management system of claim 6, wherein the first heat sink piece and the second heat sink piece are each provided with the heat sink member.
8. The power battery thermal management system of any of claims 1-5, wherein the heat dissipation member contains a cooling fluid therein, the cooling fluid flowing inside the heat dissipation member.
9. The power battery thermal management system according to claim 4, further comprising a plurality of temperature equalization members, wherein the plurality of temperature equalization members are arranged on the heat conduction surface;
the temperature equalizing component is arranged between any two adjacent electric cores.
10. The power cell thermal management system of any of claims 1-5, wherein the heating element is a thin film heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220089720.XU CN216597749U (en) | 2022-01-13 | 2022-01-13 | Power battery thermal management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220089720.XU CN216597749U (en) | 2022-01-13 | 2022-01-13 | Power battery thermal management system |
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| Publication Number | Publication Date |
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| CN216597749U true CN216597749U (en) | 2022-05-24 |
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| CN202220089720.XU Active CN216597749U (en) | 2022-01-13 | 2022-01-13 | Power battery thermal management system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024082591A1 (en) * | 2022-10-18 | 2024-04-25 | 广东畅能达科技发展有限公司 | Frame heat dissipation structure, and power battery module having same |
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- 2022-01-13 CN CN202220089720.XU patent/CN216597749U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024082591A1 (en) * | 2022-10-18 | 2024-04-25 | 广东畅能达科技发展有限公司 | Frame heat dissipation structure, and power battery module having same |
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