CN218472112U - Battery package casing, battery package and vehicle - Google Patents
Battery package casing, battery package and vehicle Download PDFInfo
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- CN218472112U CN218472112U CN202222654569.2U CN202222654569U CN218472112U CN 218472112 U CN218472112 U CN 218472112U CN 202222654569 U CN202222654569 U CN 202222654569U CN 218472112 U CN218472112 U CN 218472112U
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- battery pack
- battery
- shell
- temperature regulation
- casing
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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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Abstract
The utility model discloses a battery pack shell, a battery pack and a vehicle, wherein the battery pack shell comprises a shell body and a temperature adjusting layer, the shell body comprises an outer shell and an inner shell, the inner shell is of a heat conducting structure, and at least the inner wall of the inner shell is of an insulating structure; the temperature regulation layer is used for adjusting the temperature of battery, and the temperature regulation layer is located between interior casing and the shell body, and the coefficient of heat conductivity of shell body is less than the coefficient of heat conductivity of interior casing. According to the utility model discloses battery package casing, battery package casing include casing body and temperature regulation layer, through including the inside and outside two-layer structure of casing and shell body with the casing body setting, lie in the temperature regulation layer between casing body's shell body and the interior casing, and set up interior casing into heat conduction structure to and set up interior casing into at least inner wall insulating, when realizing the temperature regulation to the battery through the temperature regulation layer, can avoid the risk that leads to high-voltage short circuit when battery package thermal runaway.
Description
Technical Field
The utility model belongs to the technical field of the battery and specifically relates to a battery package casing, battery package and vehicle are related to.
Background
In the related art, the battery in the battery pack is usually cooled by a liquid cooling plate, and the liquid cooling plate is in direct contact with the battery to cool the battery. However, since the liquid cooling plate is usually made of metal, when the battery in the battery pack leaks the electrolyte, the electrolyte can be conducted through the liquid cooling plate and the battery, resulting in high-voltage short circuit and other problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. For this reason, an object of the utility model is to provide a battery pack shell, battery pack shell includes casing body and temperature regulation layer, through setting up the inside and outside two-layer structure including interior casing and shell body with casing body, and lie in the temperature regulation layer between casing body's shell body and the interior casing, and set up interior casing into heat conduction structure, and set up interior casing into at least inner wall insulating, when realizing the temperature regulation to the battery through the temperature regulation layer, can avoid the risk that leads to high-pressure short circuit when the battery pack thermal runaway.
The utility model also provides a battery package of having above-mentioned battery package casing.
The utility model also provides a vehicle of having above-mentioned battery package.
According to the utility model discloses battery package casing of first aspect embodiment, include: the shell body comprises an outer shell and an inner shell, the inner shell is of a heat conduction structure, and at least the inner wall of the inner shell is insulated; the temperature regulation layer, the temperature regulation layer is used for adjusting the temperature of battery, the temperature regulation layer is located interior casing with between the shell body, the coefficient of heat conductivity of shell body is less than the coefficient of heat conductivity of interior casing.
According to the utility model discloses battery package casing, battery package casing include casing body and temperature regulation layer, through the inside and outside two-layer structure including interior casing and shell body with the casing body setting, and lie in the temperature regulation layer between casing body's shell body and the interior casing, and set up interior casing into heat conduction structure, and set up interior casing into at least inner wall insulating, when realizing the temperature regulation to the battery through the temperature regulation layer, can avoid the risk that leads to high-pressure short circuit when battery package thermal runaway. According to some embodiments of the present invention, the temperature regulation layer has a heat exchange channel for a heat exchange medium to flow.
According to the utility model discloses a some embodiments, the temperature regulation layer has first hollow out construction, the battery package casing still includes the backup pad, the backup pad is located the shell body with between the interior casing, the backup pad has second hollow out construction, the temperature regulation layer inlay and locate second hollow out construction, the part of backup pad inlays and locates first hollow out construction and another part connect in the periphery side of temperature regulation layer.
According to some embodiments of the invention, the outer shell has a thermal conductivity in the range of 1.2-2.0W/(m · K) and the inner shell has a thermal conductivity in the range of 0.03-0.09W/(m · K).
According to some embodiments of the invention, the outer shell is a fiberglass composite; and/or the outer shell is a glass fiber composite material piece.
According to some embodiments of the invention, the density of the outer shell ranges from 1.5 to 2.0g/cm 3 (ii) a And/or the density of the inner shell ranges from 1.5 to 2.0g/cm 3 。
According to some embodiments of the present invention, the outer shell, the temperature regulation layer and the inner shell are integrally formed.
According to some embodiments of the utility model, the battery package casing is battery package tray, battery package tray includes the diapire, at least part on temperature regulation layer is located the diapire of interior casing with between the diapire of shell body.
According to some embodiments of the utility model, the battery package casing is the battery package upper cover, the battery package upper cover includes the roof, at least part on temperature regulation layer is located the roof of interior casing with between the roof of shell body.
According to some embodiments of the invention, the temperature regulation layer comprises a metal runner.
According to the utility model discloses battery package of second aspect embodiment includes: according to the present invention, the battery pack case according to the above-described first aspect embodiment; a battery pack disposed within the battery can body.
According to the utility model discloses battery package through setting up above-mentioned battery package casing, when realizing the temperature regulation to the battery, can avoid the risk that leads to the high-pressure short circuit when battery package thermal runaway.
According to the utility model discloses vehicle of third aspect embodiment includes: according to the utility model discloses battery package of above-mentioned second aspect embodiment.
According to the utility model discloses vehicle, through setting up above-mentioned battery package, when realizing the temperature regulation to the battery, can avoid the risk that leads to the high-pressure short circuit when battery package thermal runaway.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a perspective view of a battery pack housing according to some embodiments of the present invention;
fig. 2 is an exploded view of the battery pack housing of fig. 1;
fig. 3 is an enlarged view at a in fig. 2.
Reference numerals:
10. a battery pack housing;
1. a housing body; 11. a side wall; 12. a bottom wall; 13. an accommodating chamber; 14. a connecting portion;
2. an inner housing; 21. a first side wall; 22. a first bottom wall;
3. an outer housing; 31. a second side wall; 311. perforating holes; 32. a second bottom wall;
4. a temperature adjusting layer; 41. a first hollow structure; 42. a joint; 421. a liquid inlet; 422. a liquid outlet;
5. a support plate; 51. and the second hollow structure.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
A battery pack case 10 according to an embodiment of the present invention is described below with reference to the drawings.
Referring to fig. 1-2, a battery pack case 10 includes a case body 1 and a temperature adjustment layer 4, the case body 1 may define a containing cavity 13 of the battery pack, and a battery may be disposed in the containing cavity 13; the case body 1 serves as a main body part of the battery pack case 10, and when the battery pack case 10 includes the case body 1 and the temperature adjustment layer 4, the case body 1 may have another structure excluding the temperature adjustment layer 4 for the battery pack case 10. The temperature adjustment layer 4 may be used to adjust the temperature of the battery for heating or heat dissipation of the battery.
Alternatively, there may be a clear demarcation between the outer housing 3 and the inner housing 2; optionally, there is no clear demarcation between the outer housing 3 and the inner housing 2.
The inner shell 2 is a heat conduction structure, and heat or cold of the temperature adjusting layer 4 can be transferred to the battery through the heat conduction of the inner shell 2 so as to heat or radiate the battery; the inner shell 2 is a heat conducting structure, and the efficiency of the temperature adjusting layer 4 for heating or radiating the battery can be improved. At least the inner wall of the inner housing 2 may be an insulating structure, only the inner wall of the inner housing 2 may be an insulating structure, or the entire inner housing 2 may be an insulating structure. The inner wall of the inner housing 2 is the wall of the inner housing 2 facing the accommodating cavity 13, and at least the inner wall of the inner housing 2 is of an insulating structure, so that the inner wall of the inner housing 2 can play a role in insulating and insulating the battery pack and the temperature adjusting layer 4 in the accommodating cavity 13. For example, when the material of temperature regulation layer 4 is the material that has conductivity such as metal, when the battery package takes place thermal runaway, electrolyte may contact with the inner wall of interior casing 2, because the inner wall of interior casing 2 is insulation system, can realize the insulation between temperature regulation layer 4 and the group battery that holds in the chamber 13 through the inner wall of interior casing 2, can avoid taking place high-pressure short circuit scheduling problem.
According to the utility model discloses battery package casing 10, battery package casing 10 includes casing body 1 and temperature regulation layer 4, through setting up casing body 1 including the inside and outside two-layer structure of casing body 2 and shell body 3, and be located the temperature regulation layer 4 between casing body 1's shell body 3 and interior casing 2, and set up interior casing 2 into heat conduction structure, and set up interior casing 2 to at least the inner wall is insulating, when realizing the temperature regulation to the battery through temperature regulation layer 4, can avoid the risk that leads to the high-pressure short circuit when battery package thermal runaway.
According to some embodiments of the present invention, referring to fig. 1 to 3, the temperature regulation layer 4 has a heat exchange passage for flowing a heat exchange medium, for example, water. The temperature adjusting layer 4 can be composed of a pipeline, a heat exchange channel is arranged in the pipeline, and a heat exchange medium can circularly flow in the pipeline; the temperature regulation layer 4 may include a metal flow channel in which a heat exchange channel is formed. The heat exchange medium flows in the heat exchange channel, and can heat or radiate the battery.
For example, the inlet of the heat exchange medium flowing into the heat exchange channel and the outlet of the heat exchange medium flowing out of the heat exchange channel are both located at the same end of the temperature adjustment layer 4, a joint 42 is arranged at the inlet and the outlet of the heat exchange medium, a liquid inlet 421 and a liquid outlet 422 are arranged on the joint 42 at intervals, the liquid inlet 421 is communicated with the inlet, the liquid outlet 422 is communicated with the outlet, a through hole 311 is arranged on the side wall 11 (for example, the second side wall 31) of the outer shell 3 adjacent to the joint 42, the through hole 311 can penetrate through the side wall 11 along the thickness direction of the side wall 11, and the joint 42 of the heat exchange channel can be connected with the heat management system of the whole vehicle through the through hole 311.
For example, the temperature adjusting layer 4 can be used for reducing the temperature of the battery, and when the temperature of the battery is too high, the heat exchange medium with low temperature can circularly flow in the heat exchange channel to take away the heat of the battery, so as to cool the battery. For example, the temperature adjustment layer 4 may be used to increase the temperature of the battery, and when the temperature of the battery is too low, the heated heat exchange medium may flow circularly in the heat exchange channel, so as to transfer heat to the battery through the inner housing 2, thereby heating the battery. According to some embodiments of the utility model, referring to fig. 1-3, temperature regulation layer 4 has the metal runner, and the metal runner has good heat conductivility, can transmit the heat or the cold volume of temperature regulation layer 4 to the battery through casing body 1's inner wall with high efficiency to be used for heating or dispelling the heat to the battery.
According to some optional embodiments of the utility model, referring to fig. 2-3, interior casing 2 is heat conduction insulator, and temperature regulation layer 4 is located shell body 3 and interior casing 2 of casing body 1, when realizing the temperature regulation to the battery through temperature regulation layer 4, can avoid the risk that leads to the high-pressure short circuit when the battery package thermal runaway. Interior casing 2 is heat-conducting member, and the heat or the cold volume of temperature regulation layer 4 can be through interior casing 2 heat conduction transmission to the battery to be used for heating or dispelling the heat to the battery, can improve temperature regulation layer 4 and heat or radiating efficiency to the battery. The inner shell 2 is an insulating member, and can play a role in insulating and isolating the battery pack and the temperature adjusting layer 4 in the accommodating cavity 13. For example, when the material of temperature regulation layer 4 is the material that has conductivity such as metal, when the battery package takes place the thermal runaway, electrolyte can probably contact with interior casing 2, because interior casing 2 is the insulating part, can realize through interior casing 2 that temperature regulation layer 4 and hold the insulating between the group battery in the chamber 13, can avoid taking place high-voltage short circuit scheduling problem.
According to some embodiments of the present invention, referring to fig. 2-3, the temperature adjustment layer 4 has a first hollowed-out structure 41, the battery pack case 10 further includes a support plate 5, the support plate 5 is disposed between the outer case 3 and the inner case 2, for example, when the battery pack case 10 is a battery pack tray, the support plate 5 can be disposed between the second bottom wall 32 of the outer case 3 and the first bottom wall 22 of the inner case 2. When the battery pack case 10 includes the case body 1, the temperature adjustment layer 4, and the support plate 5, the case body 1 may have another structure excluding the temperature adjustment layer 4 and the support plate 5 for the battery pack case 10. The supporting plate 5 has a second hollow structure 51, the temperature adjusting layer 4 is embedded in the second hollow structure 51, a portion of the supporting plate 5 is embedded in the first hollow structure 41, and another portion of the supporting plate 5 is connected to the outer periphery of the temperature adjusting layer 4, for example, another portion of the supporting plate 5 is connected between the outer periphery of the temperature adjusting layer 4 and the side wall 11 of the outer shell 3. The supporting plate 5 can fix the temperature adjusting layer 4 between the outer shell 3 and the inner shell 2, and can play a role in fixedly supporting the temperature adjusting layer 4; meanwhile, the supporting plate 5 also plays a role in supporting and reinforcing the inner shell 2 and the outer shell 3, so that the structure of the battery pack shell 10 is more stable.
According to some embodiments of the utility model, referring to fig. 1-2, the thermal conductivity range of interior casing 2 is 1.2-2.0W/(m · K), and interior casing 2's thermal conductivity is higher, can make interior casing 2 have better heat conduction effect for the heat or the cold volume of temperature regulation layer 4 can be transmitted to the battery through interior casing 2 high efficiency fast, heats or dispels the heat to the battery. The range of the heat conductivity coefficient of the outer shell 3 is 0.03-0.09W/(m.K), the heat conductivity coefficient of the outer shell 3 is low, and the heat or the cold of the temperature adjusting layer 4 is not easy to be transferred to the outside through the outer shell 3, so that the phenomenon that the heat or the cold of the temperature adjusting layer 4 is dissipated too fast is avoided, and the outer shell 3 has a good heat preservation effect.
According to some embodiments of the present invention, referring to fig. 1-2, the outer shell 3 is a glass fiber composite material, which has a light weight and can reduce the weight of the outer shell 3; and the strength of the glass fiber composite material piece can bear the weight of the battery. According to some embodiments of the present invention, referring to fig. 1-2, the inner housing 2 is a glass fiber composite material, which has a light weight and can reduce the weight of the inner housing 2; and the strength of the glass fiber composite material piece can bear the weight of the battery. The inner case 2 and the outer case 3 are both made of glass fiber composite material, and the weight of the glass fiber composite material is low, so that the weight of the battery pack case 10 can be further reduced.
For example, in some embodiments of the present invention, the inner casing 2 and the outer casing 3 are both made of glass fiber composite material, and as for the outer casing 3, a heat-conducting filler is added to the glass fiber composite material of the inner casing 2, so that the inner casing 2 has better heat-conducting property relative to the outer casing 3, and the glass fiber composite material also has good insulating property. The good heat conduction performance can enable the heat or cold of the temperature adjusting layer 4 to be efficiently conducted and transmitted to the battery through the inner shell 2 so as to heat or dissipate the heat of the battery. When the battery package takes place thermal runaway, the electrolyte of battery may with interior casing 2 contact, glass fiber composite has good insulating properties, interior casing 2 can completely cut off temperature regulation layer 4 and electrolyte contact, can avoid temperature regulation layer 4 electrically conductive lead to the battery to take place the risk of high-pressure short circuit and arc.
According to some embodiments of the present invention, referring to fig. 1-2, the density of the outer shell 3 ranges from 1.5-2.0g/cm 3 The weight of the outer hull 3 is reduced by about 25.9-44.4% compared to the weight of the aluminium alloy material for the same size volume of material, so that the weight of the outer hull 3 can be reduced.
According to some embodiments of the present invention, referring to fig. 1-2, the density of the inner shell 2 ranges from 1.5 to 2.0g/cm 3 For the same volume of material, the weight of the inner housing 2 is reduced by about 25.9% -44.4% compared with the weight of the aluminum alloy material, so that the weight of the inner housing 2 and the weight of the battery pack housing 10 can be reduced.
According to some embodiments of the present invention, referring to fig. 1-2, the outer shell 3, the temperature adjustment layer 4 and the inner shell 2 are integrally formed, so that the assembly process of the battery pack shell 10 is simple and easy to operate, and the stability of the outer shell 3, the temperature adjustment layer 4 and the inner shell 2 after assembly can be ensured. For example, the outer case 3, the temperature regulation layer 4, and the inner case 2 may be integrally formed by high-temperature molding. Specifically, at first lay interior casing 2 on prefabricated mould, place temperature regulation layer 4 in again on interior casing 2, later lay shell body 3 on temperature regulation layer 4, through high temperature mould pressing integrated into one piece after laying, can be so that whole assembly process is simple easy to operate, can also guarantee the stability of casing body 1 after assembling with temperature regulation layer 4.
For example, after the outer casing 3, the temperature regulation layer 4 and the inner casing 2 are integrally formed by high-temperature die pressing, there is no clear boundary between the outer casing 3 and the inner casing 2.
For example, the battery pack case 10 includes a case body 1, a supporting plate 5 and a temperature adjusting layer 4, the case body 1 includes an outer case 3 and an inner case 2, the temperature adjusting layer 4 has a first hollow structure 41, and in this embodiment, the battery pack case 10 may be formed by the following steps: firstly, laying the inner shell 2 on a prefabricated mould, then placing the temperature adjusting layer 4 on the inner shell 2, then filling raw materials of the supporting plate 5 to the periphery sides of the first hollow structure 41 of the temperature adjusting layer 4 and the temperature adjusting layer 4, then laying the outer shell 3 on the temperature adjusting layer 4, and integrally forming the outer shell by high-temperature mould pressing after laying, wherein the supporting plate 5 can be used for fixedly supporting the temperature adjusting layer 4, and the supporting plate 5 can also be used for supporting the outer shell 3 and the inner shell 2, so that the battery pack shell 10 is more stable; can make whole assembly process simple easy to operate, can also guarantee the stability of casing body 1, temperature regulation layer 4 and backup pad 5 post-assembly. The support plate 5 may be made of a semi-fluid glass fiber composite material, and after the semi-fluid glass fiber composite material is molded together by high-temperature die pressing, the semi-fluid glass fiber composite material may be solidified into a solid, i.e., the support plate 5 may be formed. The density of the fiberglass composite used to form the support plate 5 may be 1.7g/cm 3 The weight of the battery pack case 10 can be reduced by 37% with respect to the aluminum alloy material.
According to some embodiments of the present invention, referring to fig. 1-2, the battery pack case 10 is a battery pack tray, the battery pack tray includes a bottom wall 12, at least a part of the temperature adjusting layer 4 is located between the bottom wall of the inner case 2 and the bottom wall of the outer case 3, the whole temperature adjusting layer 4 may be located between the bottom wall of the inner case 2 and the bottom wall of the outer case 3, and a part of the temperature adjusting layer 4 may be located between the bottom wall of the inner case 2 and the bottom wall of the outer case 3. For example, when the material of temperature regulation layer 4 is the material that has conductivity such as metal, when the battery package thermal runaway, electrolyte may flow to on the diapire 12 of battery package tray, temperature regulation layer 4 is located between the diapire of interior casing 2 and the diapire of shell body 3, the inner wall of interior casing 2 of battery package tray is insulation construction, can realize temperature regulation layer 4 and hold the insulating between the group battery in the chamber 13 through the inner wall of interior casing 2, can avoid the group battery to take place the risk of high-pressure short circuit.
Referring to fig. 1 to 2, for example, the battery pack case 10 may be a battery pack tray, the wall of the case body 1 may include a plurality of side walls 11 and a bottom wall 12, the wall of the case body 1 near the road surface is the bottom wall 12 when the battery pack is mounted at the bottom of the vehicle, and the plurality of side walls 11 of the case body 1 refer to portions connected to the upper side of the bottom wall 12 of the case body 1 and surrounding the bottom wall 12. The plurality of side walls 11 are disposed on the outer periphery of the bottom wall 12 and extend in a ring shape along the circumferential direction of the bottom wall 12, for example, the plurality of side walls 11 may include four side walls 11, the four side walls 11 are in a four-sided ring shape, and the four side walls 11 and the bottom wall 12 together define an accommodating cavity 13 with an upper side opened. For example, when the battery pack is mounted and fixed on the vehicle body, the connecting portions 14 are respectively disposed on the outer side surfaces of the two opposite side walls 11 of the housing body 1, the two connecting portions 14 are respectively provided with a plurality of connecting holes arranged at intervals, and the fastening members are inserted into the connecting holes to fix the battery pack to the vehicle body.
Wherein, the battery pack tray can include casing body 1 and temperature regulation layer 4, and casing body 1 includes outer casing 3 and interior casing 2, and the wall of interior casing 2 can include a plurality of first lateral walls 21 and first diapire 22, and when the battery pack was installed in the bottom of vehicle, the wall that is close to the road surface of interior casing 2 was first diapire 22, and a plurality of first lateral walls 21 of interior casing 2 mean connect the upside of the first diapire 22 of interior casing 2 and the part that encircles first diapire 22. The plurality of first side walls 21 are disposed on the outer periphery of the first bottom wall 22 and extend in a ring shape along the circumferential direction of the first bottom wall 22, for example, the plurality of first side walls 21 may include four first side walls 21, and the four first side walls 21 may be in a four-sided ring shape; the walls of the outer case 3 may include a plurality of second side walls 31 and a second bottom wall 32, when the battery pack is mounted at the bottom of the vehicle, the wall of the outer case 3 close to the road surface is the second bottom wall 32, and the plurality of second side walls 31 of the outer case 3 refer to portions connected to the upper side of the second bottom wall 32 of the outer case 3 and surrounding the second bottom wall 32. The plurality of second side walls 31 are disposed on the outer periphery of the second bottom wall 32 and extend in a ring shape along the circumferential direction of the second bottom wall 32, for example, the plurality of second side walls 31 may include four second side walls 31, and the four second side walls 31 may be in a four-sided ring shape; the first side wall 21 and the second side wall 31 may be stacked inside and outside to form the side wall 11 of the housing body 1, the first bottom wall 22 and the second bottom wall 32 may be stacked on top of each other to form the bottom wall 12 of the housing body 1, and the temperature adjustment layer 4 may be located between the first bottom wall 22 and the second bottom wall 32.
According to some embodiments of the utility model, battery package casing 10 is the battery package upper cover, and the battery package upper cover includes the roof, places the roof of battery package upper cover in at least part of temperature regulation layer 4 in, can be that whole temperature regulation layer 4 is located between the roof of interior casing 2 and the roof of shell body 3, can be that the part of temperature regulation layer 4 is located between the roof of interior casing 2 and the roof of shell body 3. For example, when the material of temperature regulation layer 4 had the material of electric conductivity for metal etc, when the battery package thermal runaway, electrolyte may contact with the roof of battery package upper cover, temperature regulation layer 4 is located between the roof of interior casing 2 and the roof of shell body 3, the inner wall of the interior casing 2 of battery package upper cover is insulation construction, can realize temperature regulation layer 4 and hold the insulation between the group battery in the chamber 13 through the inner wall of interior casing 2, can avoid the group battery to take place the risk of high-pressure short circuit.
According to the second aspect of the present invention, the battery pack comprises a battery pack case 10 and a battery pack, the battery pack case 10 is the battery pack case 10 according to the first aspect of the present invention; the battery pack is disposed within the battery pack housing 10, and the battery pack may provide power for the vehicle. Wherein the battery pack comprises at least one battery; the battery pack is disposed in the battery pack case 10. It is understood that the battery pack case 10 defines a receiving cavity 13 of the battery pack, and the battery pack is disposed in the receiving cavity 13.
According to the utility model discloses battery package through setting up above-mentioned battery package casing 10, when realizing the temperature regulation to the battery, can avoid the risk that leads to the high-pressure short circuit when battery package thermal runaway.
According to the utility model discloses vehicle of third aspect embodiment, including the battery package, the battery package is according to the utility model discloses the bottom to the vehicle can be installed to the battery package of above-mentioned second aspect embodiment, battery package, and the battery package can link to each other with the car frame roof beam of automobile body. The vehicle may be an automobile, for example the vehicle may be an electric automobile,
according to the utility model discloses vehicle, through setting up above-mentioned battery package, when realizing the temperature regulation to the battery, can avoid the risk that leads to the high-pressure short circuit when battery package thermal runaway.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (12)
1. A battery pack housing, comprising:
the shell body comprises an outer shell and an inner shell, the inner shell is of a heat conduction structure, and at least the inner wall of the inner shell is insulated;
the temperature regulation layer, the temperature regulation layer is used for adjusting the temperature of battery, the temperature regulation layer is located interior casing with between the shell body, the coefficient of heat conductivity of shell body is less than the coefficient of heat conductivity of interior casing.
2. The battery pack case according to claim 1, wherein the temperature regulation layer has a heat exchange channel through which a heat exchange medium flows.
3. The battery pack case according to claim 1, wherein the temperature adjustment layer has a first hollow structure, the battery pack case further comprises a support plate, the support plate is disposed between the outer case and the inner case, the support plate has a second hollow structure, the temperature adjustment layer is embedded in the second hollow structure, a part of the support plate is embedded in the first hollow structure, and another part of the support plate is connected to an outer peripheral side of the temperature adjustment layer.
4. The battery pack case according to claim 1, wherein the inner case has a thermal conductivity ranging from 1.2 to 2.0W/(m-K), and the outer case has a thermal conductivity ranging from 0.03 to 0.09W/(m-K).
5. The battery pack case of claim 1, wherein the outer case is a fiberglass composite; and/or the inner shell is a glass fiber composite material piece.
6. The battery pack case according to claim 1, wherein the density of the outer case is in the range of 1.5-2.0g/cm 3 (ii) a And/or the density of the inner shell ranges from 1.5 to 2.0g/cm 3 。
7. The battery pack case according to any one of claims 1 to 6, wherein the outer case, the temperature regulation layer, and the inner case are integrally formed.
8. The battery pack housing of any one of claims 1-6, wherein the battery pack housing is a battery pack tray including a bottom wall, at least a portion of the temperature regulating layer being located between the bottom wall of the inner housing and the bottom wall of the outer housing.
9. The battery pack housing according to any one of claims 1 to 6, wherein the battery pack housing is a battery pack upper cover comprising a top wall, at least part of the temperature regulation layer being located between the top wall of the inner housing and the top wall of the outer housing.
10. The battery pack housing according to any one of claims 1-6, wherein the temperature regulation layer comprises a metal flow channel.
11. A battery pack, comprising:
the battery pack housing of any one of claims 1-10;
a battery pack disposed within the battery can body.
12. A vehicle, characterized by comprising: the battery pack of claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222654569.2U CN218472112U (en) | 2022-09-30 | 2022-09-30 | Battery package casing, battery package and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222654569.2U CN218472112U (en) | 2022-09-30 | 2022-09-30 | Battery package casing, battery package and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218472112U true CN218472112U (en) | 2023-02-10 |
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ID=85146743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222654569.2U Active CN218472112U (en) | 2022-09-30 | 2022-09-30 | Battery package casing, battery package and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218472112U (en) |
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2022
- 2022-09-30 CN CN202222654569.2U patent/CN218472112U/en active Active
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