CN210182532U - Battery module - Google Patents
Battery module Download PDFInfo
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- CN210182532U CN210182532U CN201921402956.9U CN201921402956U CN210182532U CN 210182532 U CN210182532 U CN 210182532U CN 201921402956 U CN201921402956 U CN 201921402956U CN 210182532 U CN210182532 U CN 210182532U
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- battery
- heat
- conducting plate
- panel
- battery module
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The application provides a battery module, include: the battery pack comprises a battery box, a battery pack, a heat conducting plate and a heat absorption phase change medium; the battery pack and the heat conducting plate are both arranged in the battery box, wherein the battery pack comprises at least one single battery; the battery box is filled with a heat-absorbing phase-change medium, and the heat-absorbing phase-change medium is attached to the surfaces of the battery pack and the heat-conducting plate; the first panel and/or the second panel of battery box are provided with a plurality of through-holes, and the position of through-hole and the electrode position phase-match of group battery for assemble electrode interface and be connected with the group battery electricity, wherein, first panel is the opposite face of second panel. This application is through the heat absorption phase change medium of intussuseption in the battery box, and the heat that produces when the heat-conducting plate of living group battery and heat absorption phase change medium absorption battery use through even parcel realizes that the temperature on battery surface is even, prevents that the local temperature difference in temperature of battery is too big, has solved the inhomogeneous technical problem of radiating effect that current battery module structure leads to.
Description
Technical Field
The application relates to the technical field of battery heat dissipation, especially, relate to a battery module.
Background
The pollution problem caused by the traditional petroleum energy is increasingly serious, and the nation has developed a plurality of new energy vehicles supporting policies, so that the new energy vehicles are more and more popular.
The power battery pack is used as the only power energy of the pure electric vehicle, is a key ring for improving the performance of the whole vehicle and reducing the cost, and has larger capacity and output power. When the group battery moves under high temperature environment, will produce a large amount of heats, if the heat dissipation is untimely, the temperature of group battery can rise rapidly, and too high temperature can lead to each item performance reduction, the life-span of battery to descend, can reduce the factor of safety of group battery operation when serious. The adoption of a reasonable thermal management system for the pure electric vehicle is essential to improving the performance, the service life and the safety of the battery pack.
The battery cooling mode that adopts at present is mainly the liquid cooling mode, but the cooling working medium temperature of the different positions of liquid cooling system is inconsistent to lead to the difference in temperature between the battery great, can't guarantee the homogeneity of the temperature of each part of group battery.
SUMMERY OF THE UTILITY MODEL
The application provides a battery module for solve the inhomogeneous technical problem of radiating effect that current battery module structure leads to.
In view of the above, the present application provides a battery module including: the battery pack comprises a battery box, a battery pack, a heat conducting plate and a heat absorption phase change medium;
the battery pack and the heat conducting plate are both arranged in the battery box, wherein the battery pack comprises at least one single battery;
the heat-absorbing phase change medium is filled in the battery box and is attached to the surfaces of the battery pack and the heat conducting plate;
the first panel and/or the second panel of battery box are provided with a plurality of through-holes, the position of through-hole with the electrode position phase-match of group battery for assemble electrode interface and with the group battery electricity is connected, wherein, first panel is the opposite face of second panel.
Optionally, the heat conducting plate is a heat conducting plate with a wavy structure;
the single battery is placed on the concave side of the heat conducting plate.
Optionally, the thickness of the heat conducting plate is 2.0mm to 3.0 mm.
Optionally, a working medium flow cavity of a closed loop structure is arranged in the heat conducting plate, and a working medium is filled in an inner cavity of the working medium flow cavity.
Optionally, the working fluid specifically includes: a self-wetting fluid.
Optionally, the heat conducting plate is specifically a stainless steel heat conducting plate, an aluminum heat conducting plate, or a copper heat conducting plate.
Optionally, the method further comprises: sealing the rubber ring;
the sealing rubber ring is specifically assembled at the through hole and used for preventing the heat absorption phase change medium from leaking.
Optionally, a gap of a preset thickness is provided between the heat-absorbing phase change medium and the inner surface of the first panel or the second panel.
Optionally, the method further comprises: a first cover and a second cover;
the first cover covers the outer side of the first panel;
the second cover covers an outer side of the second panel.
Optionally, the heat-absorbing phase change medium specifically includes: paraffin or paraffin composites.
According to the technical scheme, the method has the following advantages:
the application provides a battery module, include: the battery pack comprises a battery box, a battery pack, a heat conducting plate and a heat absorption phase change medium; the battery pack and the heat conducting plate are both arranged in the battery box, wherein the battery pack comprises at least one single battery; the battery box is filled with a heat-absorbing phase-change medium, and the heat-absorbing phase-change medium is attached to the surfaces of the battery pack and the heat-conducting plate; the first panel and/or the second panel of battery box are provided with a plurality of through-holes, and the position of through-hole and the electrode position phase-match of group battery for assemble electrode interface and be connected with the group battery electricity, wherein, first panel is the opposite face of second panel.
This application is through the heat absorption phase change medium of intussuseption in the battery box, and the heat that produces when the heat-conducting plate of living group battery and heat absorption phase change medium absorption battery use through even parcel realizes that the temperature on battery surface is even, prevents that the local temperature difference in temperature of battery is too big, has solved the inhomogeneous technical problem of radiating effect that current battery module structure leads to.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a battery module provided in the present application;
fig. 2 is a schematic external structural view of a battery module according to the present disclosure;
fig. 3 is a top view illustrating an internal structure of a battery module according to the present invention;
fig. 4 is a schematic structural view illustrating a heat-conducting plate of a battery module according to the present application;
fig. 5 is a cross-sectional view of a working medium flow cavity of a battery module provided by the present application after a heat-conducting plate is straightened.
Detailed Description
The embodiment of the application provides a battery module for solve the inhomogeneous technical problem of radiating effect that current battery module structure leads to.
In order to make the objects, features and advantages of the present invention more apparent and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the embodiments described below are only a part of the embodiments of the present application, and not all of the embodiments. 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.
Referring to fig. 1 to 5, an embodiment of the present invention provides a battery module, including: a battery box 101, a battery pack 104, a heat conducting plate 102, and a heat absorbing phase change medium 103;
the battery pack 104 and the heat conducting plate 102 are both arranged in the battery box 101, wherein the battery pack 104 comprises at least one single battery;
the battery box 101 is filled with a heat-absorbing phase change medium 103, and the heat-absorbing phase change medium 103 is attached to the surfaces of the battery pack 104 and the heat-conducting plate 102;
the first panel and/or the second panel of the battery box 101 are provided with a plurality of through holes 107, and the positions of the through holes 107 are matched with the electrode positions of the battery pack 104 for assembling the electrode interfaces and electrically connecting with the battery pack 104, wherein the first panel is the opposite surface of the second panel, and the first panel in this embodiment generally refers to the top panel of the battery module opposite to the positive electrode of the battery.
Specifically, heat-absorbing phase change media 103 are filled between the single batteries and the heat conducting plate 102 and the inner wall of the battery box 101. Can absorb the heat that the battery produced through the heat absorption effect of evenly laminating heat absorption phase transition medium 103 with the battery to realize that the temperature on battery surface is even, prevent that the local temperature difference in temperature is too big, absorb the heat that the battery gived off more evenly, regard as the heat conduction skeleton through heat-conducting plate 102 simultaneously, balance the surface temperature of heat absorption phase transition medium, improve the cooling rate of heat absorption phase transition medium, accelerate the heat dissipation circulation of heat absorption phase transition medium, thereby improve the heat dispersion of battery, and then improve the performance of battery.
In the present embodiment, the first panel and/or the second panel of the battery box 101 are provided with through holes 107 for connecting the electrodes of the battery pack 104 or each battery cell to the outside.
The heat that produces when this embodiment absorbs the battery use through the heat-absorbing phase change medium 103 of intussuseption in battery box 101, heat-conducting plate 102 and the heat-absorbing phase change medium 103 of living group battery 104 through even parcel, realize that the temperature on battery surface is even, prevent that the local temperature difference in temperature of battery is too big, solved the inhomogeneous technical problem of radiating effect that current battery module structure leads to.
Meanwhile, the heat conducting plate 102 serves as a heat conducting framework of the battery module in this embodiment, and plays a role of not only radiating heat for the batteries in mutual contact, but also conducting heat for the heat absorbing phase change medium 103 wrapping the heat conducting plate 102, so that temperature balance of the heat absorbing phase change medium 103 is realized, and uniform heat radiation of the heat absorbing phase change medium 103 to the batteries is facilitated.
Further, the heat conducting plate 102 is embodied as a wave-shaped heat conducting plate 102;
the unit cells are placed on the depressed side of the heat conductive plate 102.
Further, the thickness of the heat conductive plate 102 is 2.0mm to 3.0mm, and the height may be set according to the battery.
It should be noted that, as shown in the figure, the battery pack 104 of the present embodiment is composed of two rows of single batteries, and therefore, the heat conducting plates 102 in the illustrated example of the present embodiment are also preferably arranged in pairs, two heat conducting plates 102 in the battery box 101 are vertically installed, two end planes of the two heat conducting plates 102 are opposite, and the distance between the two heat conducting plates is about 8-16 mm.
Further, a working medium flow cavity 108 with a closed loop structure is arranged in the heat conducting plate 102, and a working medium is filled in an inner cavity of the working medium flow cavity 108.
The heat conducting plate 102 of the present embodiment has a plurality of working medium flow chambers 108 with equivalent diameters and communicating with each other, and the cross-sectional shape of the working medium flow chambers 108 can be circular, rectangular or polygonal.
The working medium flow cavities 108 are arranged at equal intervals, and the distance between the centers of the adjacent channels is 2.2-2.8 mm.
The upper end and the lower end of each section of working medium flow cavity 108 channel are respectively communicated with an adjacent working medium flow cavity 108 channel, and all the working medium flow cavities 108 are connected into a working medium flow cavity 108 which is communicated end to end and penetrates through the interior of the heat conducting plate 102.
Further, working fluids include, but are not limited to: the self-wetting fluid can also be replaced by other traditional heat-conducting working media.
Further, the heat conducting plate 102 is embodied as a stainless steel heat conducting plate, an aluminum heat conducting plate, or a copper heat conducting plate.
Further, still include: sealing the rubber ring;
the sealing rubber ring is specifically assembled at the through hole 107 for preventing the heat-absorbing phase change medium 103 from leaking.
Further, a gap with preset thickness is arranged between the heat-absorbing phase-change medium 103 and the inner surface of the first panel, and is used for preventing the volume change caused by phase change after the heat-absorbing phase-change medium absorbs heat, so that a certain space can be reserved between the medium in the vertical direction and the top panel.
Further, still include: a first cover 106 and a second cover 109;
the first cover covers the outer side of the first panel;
the second cover covers the outside of the second panel.
It should be noted that, the first box cover 106 and the second box cover 109 are further disposed in this embodiment, which can achieve an effect of protecting the electrode interface, and in addition, wiring through holes may be further formed at two ends of the first box cover 106 and the second box cover 109, so that the wires may pass through the wiring through holes to be connected with the electrode interface, and meanwhile, the wires may also be used for strengthening heat dissipation of convection to the electrode interface.
Further, the endothermic phase change medium 103 specifically includes: paraffin or paraffin composites.
The battery module provided by the embodiment comprises a battery box 101, a heat conducting plate 102 and a heat absorbing phase change medium 103. A battery unit for accommodating a battery and a heat conducting plate 102 are disposed in the battery box 101, and a heat absorbing phase change medium 103 is filled between the battery unit and the heat conducting plate 102 and between the battery unit and the inner wall of the battery box 101. The invention can absorb the heat generated by the battery through the heat absorption of the heat absorption phase change medium 103 and the heat conduction plate 102, realize the uniform temperature of the surface of the battery, prevent the overlarge local temperature difference, effectively radiate the heat of the battery, thereby improving the service performance of the battery. The heat conducting plate is used as a heat conducting framework of the device, and has the advantages of good constant temperature, convenience in processing and low cost.
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.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; 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 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 technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A battery module, comprising: the battery pack comprises a battery box, a battery pack, a heat conducting plate and a heat absorption phase change medium;
the battery pack and the heat conducting plate are both arranged in the battery box, wherein the battery pack comprises at least one single battery;
the heat-absorbing phase change medium is filled in the battery box and is attached to the surfaces of the battery pack and the heat conducting plate;
the first panel and/or the second panel of battery box are provided with a plurality of through-holes, the position of through-hole with the electrode position phase-match of group battery for assemble electrode interface and with the group battery electricity is connected, wherein, first panel is the opposite face of second panel.
2. The battery module according to claim 1, wherein the heat conductive plate is a heat conductive plate having a wave-shaped structure;
the single battery is placed on the concave side of the heat conducting plate.
3. The battery module according to claim 1, wherein the heat conductive plate has a thickness of 2.0 to 3.0 mm.
4. The battery module according to claim 1, wherein a working medium flow chamber of a closed loop structure is arranged in the heat conducting plate, and a working medium is filled in an inner cavity of the working medium flow chamber;
the cross-sectional shape of the working medium flow cavity comprises: circular, rectangular, polygonal.
5. The battery module according to claim 4, wherein the working medium specifically comprises: a self-wetting fluid.
6. The battery module according to claim 1, wherein the heat-conducting plate is embodied as a stainless steel heat-conducting plate, an aluminum heat-conducting plate, or a copper heat-conducting plate.
7. The battery module according to claim 1, further comprising: sealing the rubber ring;
the sealing rubber ring is specifically assembled at the through hole and used for preventing the heat absorption phase change medium from leaking.
8. The battery module according to claim 1, wherein a gap of a preset thickness is provided between the heat-absorbing phase-change medium and the inner surface of the first or second panel.
9. The battery module according to claim 1, further comprising: a first cover and a second cover;
the first cover covers the outer side of the first panel;
the second cover covers an outer side of the second panel.
10. The battery module according to claim 1, wherein the heat-absorbing phase change medium specifically comprises: paraffin or paraffin composites.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921402956.9U CN210182532U (en) | 2019-08-27 | 2019-08-27 | Battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921402956.9U CN210182532U (en) | 2019-08-27 | 2019-08-27 | Battery module |
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| Publication Number | Publication Date |
|---|---|
| CN210182532U true CN210182532U (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921402956.9U Active CN210182532U (en) | 2019-08-27 | 2019-08-27 | Battery module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391481A (en) * | 2019-08-27 | 2019-10-29 | 广东工业大学 | A kind of battery modules |
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2019
- 2019-08-27 CN CN201921402956.9U patent/CN210182532U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391481A (en) * | 2019-08-27 | 2019-10-29 | 广东工业大学 | A kind of battery modules |
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