CN215578819U - Battery protection plate, battery box body, battery pack and vehicle - Google Patents
Battery protection plate, battery box body, battery pack and vehicle Download PDFInfo
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- CN215578819U CN215578819U CN202120868584.XU CN202120868584U CN215578819U CN 215578819 U CN215578819 U CN 215578819U CN 202120868584 U CN202120868584 U CN 202120868584U CN 215578819 U CN215578819 U CN 215578819U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a battery protection plate, a battery box body, a battery pack and a vehicle, comprising: the grid layer is in a net shape; the heat insulation layer is pressed on one side of the grid layer and used for insulating the battery module, and the heat insulation layer is arranged as an insulating material layer; and the reinforcing layer is pressed on the other side of the grid layer to reinforce the structural strength of the battery protection plate. The battery box body comprises a bottom plate, a cover plate and side edge beams, wherein at least one of the bottom plate, the cover plate and the side edge beams is a battery protection plate. The battery pack includes a battery case body, and the vehicle includes the battery pack. By adopting the technical scheme, the temperature of the battery module is effectively maintained to be constant, the influence of the external environment temperature on the battery module is relieved, and the stable performance and the stable service life of the battery module are facilitated; in addition, in the assembly process of the battery box body, the larger heat insulation material with the same volume as the heat insulation cotton does not need to be additionally installed, the volume utilization rate of the battery pack is improved, and the assembly efficiency of the battery box body is higher.
Description
Technical Field
The utility model belongs to the technical field of battery heat preservation, and particularly relates to a battery protection plate, a battery box body, a battery pack and a vehicle.
Background
The battery box in the present stage is usually made by battery guard plates such as aluminum alloy or steel sheet, and like this, the coefficient of heat conductivity of battery box is higher, so, the battery module in the battery box receives external environment temperature's influence easily to be unfavorable for the performance of battery module and the stable performance in life-span.
At present, in order to realize the heat preservation effect on the battery module and reduce the influence of the external environment temperature on the battery module, heat preservation materials such as heat preservation cotton are usually arranged in a battery box body. On one hand, the heat insulation materials such as heat insulation cotton occupy larger volume, thereby reducing the volume utilization rate of the battery pack; on the other hand, the step of additionally installing the heat preservation cotton on the battery box body is added, so that the assembly efficiency of the battery box body during assembly is reduced, and the cost is higher.
SUMMERY OF THE UTILITY MODEL
One of the purposes of the embodiment of the utility model is as follows: the utility model provides a battery protection plate, aims at solving among the prior art, adopts the cotton technical problem that leads to the assembly efficiency of battery box, the volume utilization ratio reduction of battery package that keeps warm.
In order to solve the technical problem, the embodiment of the utility model adopts the technical scheme that:
a battery protection plate is provided for protecting a battery module; the battery protection plate includes:
the grid layer is in a net shape;
the heat insulation layer is pressed on one side of the grid layer and used for insulating the battery module, and the heat insulation layer is arranged as an insulating material layer;
and the reinforcing layer is pressed on the other side of the grid layer to reinforce the structural strength of the battery protection plate.
By adopting the technical scheme, the heat-insulating layer is arranged as the insulating material layer and is used for insulating the battery module, so that the heat-insulating and insulating functions of the battery protection plate are realized, the temperature of the battery module is effectively kept constant, the influence of the external environment temperature on the battery module is relieved, and the stable performance and the stable service life of the battery module are facilitated; and, heat preservation and enhancement layer pressfitting respectively in the both sides on net layer, the netted design on net layer, make the heat preservation, net layer and enhancement layer pressfitting form platelike battery guard plate, the integrated level of battery guard plate is higher, promptly, integrated heat preservation on the battery guard plate, insulating function, the realization is to the constancy of temperature effect of battery module, and like this, at the in-process of battery box assembly, need not additionally to install the cotton great insulation material of isovoluminous that keeps warm, the volume utilization of battery package has been improved, and the assembly efficiency of battery box is higher.
In one embodiment, the insulating layer is provided as a sheet or powder.
Through adopting above-mentioned technical scheme, greatly reduced the thickness of heat preservation for the thickness of battery protection plate can obtain the reduction of maximize, thereby has reduced the volume and the occupation space of battery protection plate, helps improving the volume utilization ratio of battery package, thereby improves the energy density of battery package.
In one embodiment, the insulation layer is provided as a rock wool layer or a gel layer.
By adopting the technical scheme, the heat preservation function of the heat preservation layer is ensured, so that the battery protection plate can effectively maintain the temperature of the battery module to be constant, and the influence of the external environment temperature on the battery module is relieved; and, still guaranteed the insulating function of heat preservation, guaranteed battery module and external insulating effect, improve the security performance of battery module, simultaneously, compare in the metal material, the design of rock wool layer or gel layer has reduced the holistic coefficient of heat conductivity of battery protection board to further slow down the influence of external environment temperature to battery module, help the performance of battery module and the stable performance in life-span.
In one embodiment, the mesh layer is provided as a sheet of expanded metal.
Through adopting above-mentioned technical scheme, help improving the structural strength on net layer to improve the holistic structural strength of battery guard plate, and, the design of metal mesh board makes the network structure on net layer more stable, helps further improving the shock resistance on net layer, thereby has improved the protection dynamics of battery guard plate to battery membrane group.
In one embodiment, the reinforcement layer is provided as a non-metallic plate.
By adopting the technical scheme, the insulation effect of the reinforcing layer is realized, the insulation effect of the battery module from the outside is further enhanced, and the safety performance of the battery module is improved; and, the enhancement layer sets up to the nonmetal layer, has further reduced the coefficient of heat conductivity of enhancement layer, promptly, has further reduced the coefficient of heat conductivity of battery guard plate to further slowed down the influence of external environment temperature to battery module, helped the performance of battery module and the stable performance of life-span.
In one embodiment, the reinforcement layer is provided as a glass fiber reinforced plastic plate or a carbon fiber reinforced plastic plate or a sheet-form plastic plate.
Through adopting above-mentioned technical scheme, the structural strength of glass fiber reinforced plastic board or carbon fiber reinforced plastic board or sheet mould plastic board is all very strong, helps improving the holistic structural strength of battery guard plate to improve the protection dynamics of battery guard plate to battery module, and still make the coefficient of heat conductivity of this enhancement layer reduce, thereby further slowed down the influence of external environment temperature to battery module.
In one embodiment, the battery guard plate includes a mesh layer and a reinforcement layer; or the battery protection plate comprises at least two grid layers and at least two reinforcing layers, one grid layer is pressed between the heat preservation layer and each reinforcing layer, and one grid layer is pressed between every two adjacent reinforcing layers.
By adopting the technical scheme, the battery protection plate can only comprise the grid layer and the reinforcing layer, so that the thickness and the occupied space of the battery protection plate are greatly reduced, and the volume utilization rate of the battery pack is improved; or the at least two reinforcing layers and the at least two grid layers are designed, so that the at least two reinforcing layers can be connected with the heat insulation layer, the structural strength of the battery protection plate is improved, and the impact resistance of the battery protection plate is improved.
The embodiment of the utility model also provides a battery box body which comprises a bottom plate, a cover plate and side beams, wherein the bottom plate, the cover plate and the side beams are enclosed to form an accommodating cavity for accommodating the battery module, and at least one of the bottom plate, the cover plate and the side beams is set as a battery protection plate.
By adopting the technical scheme, at least one of the bottom plate, the cover plate and the side beams is set as the battery protection plate, so that the battery box body can effectively maintain the temperature of the battery module to be constant, the influence of the external environment temperature on the battery module is relieved, and the stable performance and the service life of the battery module are facilitated; and, integrated heat preservation, insulating function on the battery box, realized the constancy of temperature effect to the battery module, like this, in battery box assembly process, need not additionally to install the cotton great insulation material of isovoluminous that keeps warm, improved the volume utilization ratio of battery package, and the assembly efficiency of battery box is higher.
The embodiment of the utility model also provides a battery pack which comprises a battery module and a battery box body, wherein the battery module is accommodated in the accommodating cavity.
By adopting the technical scheme, the battery box body can effectively maintain the constant temperature of the battery module, the influence of the external environment temperature on the battery module is relieved, and the stable performance and the stable service life of the battery pack are facilitated; and, integrated heat preservation, insulating function on the battery box, realized the constancy of temperature effect to the battery module, like this, in battery box assembly process, need not additionally to install the cotton great insulation material of isovoluminous that keeps warm, improved the volume utilization ratio of battery package, and the assembly efficiency of battery package is higher.
The embodiment of the utility model also provides a vehicle which comprises the battery pack.
By adopting the technical scheme, the influence of the external environment temperature on the battery pack is slowed down, the stable performance and the stable service life of the battery pack are facilitated, the volume utilization rate of the battery pack is improved, and the cruising ability of a vehicle is facilitated to be improved; and, the assembly efficiency of battery package is higher, helps improving the assembly efficiency of vehicle.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a partial schematic view of a battery case according to a first embodiment of the utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a partial schematic view of a battery protection plate according to a second embodiment of the utility model.
Wherein, in the figures, the respective reference numerals:
10-battery protection plate; 11-a mesh layer; 12-an insulating layer; 13-a reinforcement layer; 20-a base plate; 30-a cover plate; 40-side edge beam; 50-a containment chamber; z-first direction.
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 or similar 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 drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
The following detailed description is made with reference to the specific drawings and examples.
The first embodiment is as follows:
referring to fig. 1 and 2, a battery protection plate 10 according to an embodiment of the present invention is mainly used for protecting a battery module; it should be noted here that the battery protection plate 10 can enclose to close and form the battery box, and generally, the battery module holds in the battery box to form the battery package with the combination of battery box, like this, the battery protection plate 10 encloses the periphery of locating the battery module, in order to realize the guard action to the battery module, and wherein, the battery protection plate 10 is laminated in the battery module or is adjacent to the battery module and sets up.
The battery guard plate 10 includes a mesh layer 11, an insulation layer 12, and a reinforcement layer 13. The mesh layer 11 is designed in a mesh shape, wherein a plurality of meshes penetrate through the mesh layer 11 along the first direction Z, so that the mesh design of the mesh layer 11 is realized. The heat preservation layer 12 is pressed on one side of the grid layer 11 in the first direction Z, and the heat preservation layer 12 is used for preserving heat of the battery module, specifically, the heat preservation layer 12 is arranged adjacent to the battery module or one side of the heat preservation layer 12, which is far away from the grid layer 11, is attached to the outer side of the battery module, so that the heat preservation function of the battery protection plate 10 on the battery module is realized, and the influence of the external environment temperature on the battery module is relieved; and, the heat preservation layer 12 sets up to the insulating material layer to realized battery module and external insulation, improved the security performance of battery module, like this, the design of heat preservation layer 12 has realized the heat preservation and the insulating function of battery guard plate 10. The enhancement layer 13 pressfitting is in the mesh layer 11 along the ascending opposite side of first direction Z, and the enhancement layer 13 mainly plays the effect that improves structural strength to strengthened the holistic structural strength of battery guard plate 10, improved the protection effect to the battery module. Here, the first direction Z is a thickness direction of the mesh layer 11, the insulating layer 12 and the reinforcing layer 13, that is, a thickness direction of the entire battery protection plate 10; so, heat preservation 12 and enhancement layer 13 pressfitting respectively in the relative both sides of net layer 11, and the net-shaped design of net layer 11 has improved the joint strength between heat preservation 12 and the net layer 11 respectively, between net layer 11 and the enhancement layer 13 to indirectly improved the joint strength of heat preservation 12 and enhancement layer 13, like this, heat preservation 12, net layer 11 and enhancement layer 13 follow first direction Z pressfitting connection in proper order and form platelike battery protection board 10.
In the embodiment of the utility model, by adopting the technical scheme, the heat-insulating layer 12 is arranged as the insulating material layer and is used for insulating the battery module, so that the heat-insulating and insulating functions of the battery protection plate 10 are realized, the temperature of the battery module is effectively maintained to be constant, the influence of the external environment temperature on the battery module is relieved, and the stable performance of the performance and the service life of the battery module is facilitated; in addition, the heat preservation layer 12 and the reinforcing layer 13 are respectively pressed on two sides of the grid layer 11, the grid layer 11 is designed in a net shape, so that the heat preservation layer 12, the grid layer 11 and the reinforcing layer 13 are pressed to form the plate-shaped battery protection plate 10, the integration level of the battery protection plate 10 is higher, namely, the heat preservation and insulation functions are integrated on the battery protection plate 10, and the temperature constant effect on a battery module is realized, therefore, in the process of assembling the battery box body, the occupied space and the volume of the battery protection plate 10 are reduced without additionally installing heat preservation materials with larger volume of heat preservation cotton, the volume utilization rate of the battery pack is improved, in addition, heat preservation materials such as the heat preservation cotton are not additionally installed, the assembling steps of the battery box body are reduced, the assembling difficulty of the battery box body is also reduced, the assembling efficiency of the battery box body is higher, in addition, and therefore, the assembly cost of the battery pack is reduced. It should be noted here that, due to the mesh design of the mesh layer 11, both the insulating layer 12 and the reinforcing layer 13 can be better pressed on the mesh layer 11, wherein, when the insulating layer 12 and the reinforcing layer 13 are pressed on the mesh layer 11, at least part of the insulating layer 12 can be pressed in the meshes of the mesh layer 11, and correspondingly, at least part of the reinforcing layer 13 can also be pressed in the meshes of the mesh layer 11, so that the bonding strength between the insulating layer 12 and the mesh layer 11, and between the mesh layer 11 and the reinforcing layer 13 is improved, thereby improving the bonding strength between the insulating layer 12 and the reinforcing layer 13, i.e., improving the integrity of the battery protection plate 10, and due to the mesh design of the mesh layer 11, the weight reduction effect is significant, and the energy density of the battery pack is improved; and, the netted design of net layer 11 for net layer 11 is similar to honeycomb, thereby is showing the shock resistance who has improved battery guard plate 10, so, has improved the protection dynamics of battery guard plate 10 to the battery module.
In the present embodiment, the insulating layer 12 is provided as a sheet or a powder; when the insulating layer 12 is a sheet, the sheet-shaped insulating layer 12 is pressed on one side of the grid layer 11, so that the insulating layer 12 is connected with the grid layer 11; when the heat preservation layer 12 is the powder material, the powdery heat preservation layer 12 is combined on one side of the grid layer 11, and can be at least partially embedded into meshes of the grid layer 11, so that the combination strength of the heat preservation layer 12 and the grid layer 11 is improved, and the heat preservation and insulation effects of the battery protection plate 10 are realized. Through adopting above-mentioned technical scheme, set up heat preservation 12 into sheet or powder, greatly reduced heat preservation 12's thickness, like this, on the basis of the structural strength of battery guard plate 10 is guaranteed to enhancement layer 13 for the thickness of battery guard plate 10 can obtain the reduction of maximize, thereby has reduced the volume and the occupation space of battery guard plate 10, helps improving the volume utilization who wraps the battery, thereby improves the energy density that wraps the battery.
In this embodiment, the insulation layer 12 is provided as a rock wool layer or a gel layer. By adopting the technical scheme, the heat preservation function of the heat preservation layer 12 is ensured by the design of the rock wool layer or the gel layer, so that the battery protection plate 10 can effectively maintain the temperature of the battery module to be constant, and the influence of the external environment temperature on the battery module is relieved; meanwhile, compared with the design of a metal material, a rock wool layer or a gel layer, the overall heat conductivity coefficient of the battery protection plate 10 is reduced, so that the influence of the external environment temperature on the battery module is further reduced, and the stable performance and the stable service life of the battery module are facilitated; in addition, the thickness and weight of the insulating layer 12 are reduced as much as possible, contributing to an increase in energy density of the battery pack. Of course, in the present embodiment, the insulating layer 12 may also be designed as other material layers having insulating and heat-preserving functions.
In the present embodiment, the mesh layer 11 is provided as a metal mesh plate. Through adopting above-mentioned technical scheme, the plate-like design of metal mesh board helps improving the structural strength of grid layer 11 to improve the holistic structural strength of battery guard plate 10, and, the design of metal mesh board makes grid layer 11's network structure more stable, helps further improving grid layer 11's shock resistance, thereby has improved the protection dynamics of battery guard plate 10 to the battery membrane group. In this embodiment, the mesh layer 11 is configured as a steel wire mesh plate or an aluminum wire mesh plate, and of course, other metal mesh plates with lighter weight and a certain impact resistance may also be configured.
In the present embodiment, the reinforcing layer 13 is provided as a non-metal plate. By adopting the technical scheme and the design of the non-metal plate, the insulation effect of the reinforcing layer 13 is realized, the insulation effect of the battery module from the outside is further enhanced, and the safety performance of the battery module is improved; and, the enhancement layer 13 sets up to the nonmetal layer, has further reduced the coefficient of heat conductivity of enhancement layer 13, promptly, has further reduced the coefficient of heat conductivity of battery protection board 10 to further slowed down the influence of external environment temperature to battery module, helped the performance of battery module and the stable performance in life-span.
In the present embodiment, the reinforcing layer 13 is provided as a glass fiber reinforced plastic plate or a carbon fiber reinforced plastic plate or a sheet-like mold plastic plate. Through adopting above-mentioned technical scheme, the structural strength of glass fiber reinforced plastic board or carbon fiber reinforced plastic board or sheet mould plastic board is all very strong, helps improving the holistic structural strength of battery guard plate 10 to improve the protection dynamics of battery guard plate 10 to battery module, and still make the coefficient of heat conductivity of this enhancement layer 13 reduce, thereby further slowed down the influence of external environment temperature to battery module. Of course, in this embodiment, the reinforcing layer 13 may also be designed as another insulating material layer with stronger structural strength.
In the embodiment, according to the design of the reinforcing layer 13, the grid layer 11 and the insulating layer 12, the overall thermal conductivity of the battery protection plate 10 is smaller than 0.1W/m.k, and the performance requirement of the flame retardant rating UL94V-0 is met, that is, in the embodiment, the constant temperature and the flame retardant effect of the battery pack are greatly improved, so that the safety performance of the battery pack is improved; meanwhile, the design of the glass fiber reinforced plastic plate or the carbon fiber reinforced plastic plate or the sheet-shaped mold plastic plate enables the structural strength and the structural stability of the reinforcing layer 13 to be superior to those of metal plates such as aluminum alloy plates or steel plates with the same specification.
Referring to fig. 2, in the embodiment, on the basis of satisfying the structural strength of the battery protection plate 10, the battery protection plate 10 may include only one mesh layer 11 and one reinforcing layer 13, and the insulating layer 12, the mesh layer 11 and the reinforcing layer 13 are sequentially pressed to form a connection, so that the thickness and the occupied space of the battery protection plate 10 are greatly reduced, and the volume utilization rate of the battery pack is improved.
Referring to fig. 1 and 2, an embodiment of the utility model further provides a battery box, which includes a bottom plate 20, a cover plate 30, and side beams 40, wherein the bottom plate 20, the side beams 40, and the cover plate 30 are connected and enclosed to form an accommodating cavity 50, and the accommodating cavity 50 is used for accommodating a battery module, so that the bottom plate 20, the side beams 40, the cover plate 30, and the battery module are combined to form a battery pack. Here, at least one of the bottom plate 20, the cover plate 30, and the side frame 40 is provided as the battery protection plate 10, that is, at least one of the bottom plate 20, the cover plate 30, and the side frame 40 can perform an insulating and heat-preserving function with respect to the battery module. The battery protection plate 10 in this embodiment is the same as the battery protection plate 10 in the previous embodiment, and specific reference is made to the description of the battery protection plate 10 in the previous embodiment, which is not repeated herein.
In the embodiment of the utility model, by adopting the technical scheme, at least one of the bottom plate 20, the cover plate 30 and the side edge beam 40 is set as the battery protection plate 10, so that the battery box body can effectively maintain the temperature of the battery module to be constant, the influence of the external environment temperature on the battery module is relieved, and the stable performance and the stable service life of the battery module are facilitated; and, the integration level of battery guard plate 10 is higher, promptly, has integrateed heat preservation, insulating function on the battery box, realizes the constancy of temperature effect to the battery module, like this, in battery box assembly process, need not additionally to install the cotton great insulation material of isovoluminous of heat preservation, has improved the volume utilization ratio of battery package, and the assembly efficiency of battery box is higher.
The embodiment of the utility model also provides a battery pack, which comprises a battery module and a battery box body, wherein the battery module is accommodated in the accommodating cavity 50 of the battery box body, and the battery module and the battery box body form the battery pack. The battery box in this embodiment is the same as the battery box in the previous embodiment, and please refer to the description related to the battery box in the previous embodiment, which is not repeated herein.
In the embodiment of the utility model, by adopting the technical scheme, the battery box body can effectively maintain the constant temperature of the battery module, the influence of the external environment temperature on the battery module is reduced, the stable performance and the stable service life of the battery pack are facilitated, and the use value and the cruising ability of the battery pack are improved; and, integrated heat preservation, insulating function on the battery box, realized the constancy of temperature effect to the battery module, like this, in battery box assembly process, need not additionally to install the cotton great insulation material of isovoluminous that keeps warm, improved the volume utilization ratio of battery package, and the assembly efficiency of battery package is higher.
The embodiment of the utility model also provides a vehicle which comprises the battery pack. The battery pack in this embodiment is the same as the battery pack in the previous embodiment, and specific reference is made to the description of the battery pack in the previous embodiment, which is not repeated herein.
In the embodiment of the utility model, by adopting the technical scheme, the influence of the external environment temperature on the battery pack is slowed down, the stable performance and the service life of the battery pack are favorably exerted, and the volume utilization rate of the battery pack is improved, so that the heat management efficiency of a vehicle is favorably improved, the electric energy is saved, and the cruising ability of the vehicle is improved; and, the assembly efficiency of battery package is higher, helps improving the assembly efficiency of vehicle.
Example two:
referring to fig. 3, the difference between the present embodiment and the first embodiment is: the battery protection plate 10 comprises at least two grid layers 11 and at least two reinforcing layers 13, wherein one grid layer 11 is pressed between the heat preservation layer 12 and one reinforcing layer 13, and one grid layer 11 is also pressed between two adjacent reinforcing layers 13. It should be noted that, as shown in fig. 3, the battery protection plate 10 includes two mesh layers 11 and two reinforcing layers 13, wherein one mesh layer 11 is pressed between the insulating layer 12 and one reinforcing layer 13, and the other mesh layer 11 is pressed between two adjacent reinforcing layers 13, and the mesh layer 11 is designed to achieve connection between the two reinforcing layers 13 or between the reinforcing layer 13 and the insulating layer 12, so that the two mesh layers 11 are designed to achieve connection between the two reinforcing layers 13 and the insulating layer 12, so that the two reinforcing layers 13 are combined, thereby improving the structural strength of the battery protection plate 10, and the design of the two mesh layers 11 further improves the impact resistance of the battery protection plate 10. In this embodiment, the number of the reinforcing layers 13 may also be 3, 4 or more than 5, and the number of the mesh layers 11 is the same as that of the reinforcing layers 13, specifically, one of the mesh layers 11 is pressed between the insulating layer 12 and one of the reinforcing layers 13, and for at least two other reinforcing layers 13, one mesh layer 11 is pressed between every two adjacent reinforcing layers 13, so that the combination of at least all the reinforcing layers 13, all the mesh layers 11 and the insulating layer 12 is realized.
Through adopting above-mentioned technical scheme, two at least enhancement layers 13 and two at least net layer 11's design for two at least enhancement layers 13 can realize being connected with heat preservation 12, thereby improved the structural strength of battery protection board 10, and improved the shock resistance of battery protection board 10.
The rest of this embodiment is the same as the first embodiment, and the unexplained features in this embodiment are explained by the first embodiment, which is not described herein again.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A battery protection plate is used for protecting a battery module; characterized in that, the battery guard plate includes:
the grid layer is in a net shape;
the heat insulation layer is pressed on one side of the grid layer and used for insulating the battery module, and the heat insulation layer is arranged as an insulating material layer;
and the reinforcing layer is pressed on the other side of the grid layer to reinforce the structural strength of the battery protection plate.
2. The battery guard of claim 1, wherein the insulating layer is provided as a sheet or powder.
3. The battery fender of claim 1, wherein the insulation layer is configured as a rock wool layer or a gel layer.
4. The battery fender of claim 1, wherein the mesh layer is provided as a metal mesh sheet.
5. The battery fender of claim 1, wherein the reinforcement layer is provided as a non-metallic plate.
6. The battery protection plate of claim 1, wherein the reinforcement layer is provided as a glass fiber reinforced plastic plate or a carbon fiber reinforced plastic plate or a sheet mold plastic plate.
7. The battery fender of any one of claims 1-6, wherein the battery fender comprises one of the mesh layer and one of the reinforcement layers; or the battery protection plate comprises at least two grid layers and at least two reinforcing layers, one grid layer is pressed between the heat insulation layer and the reinforcing layers, and one grid layer is pressed between two adjacent reinforcing layers.
8. A battery box body is characterized by comprising a bottom plate, a cover plate and side edge beams, wherein the bottom plate, the cover plate and the side edge beams are enclosed to form an accommodating cavity for accommodating a battery module, and at least one of the bottom plate, the cover plate and the side edge beams is set as a battery protection plate in any one of claims 1-7.
9. A battery pack characterized by comprising a battery module and the battery case of claim 8, the battery module being accommodated in the accommodation cavity of the battery case.
10. A vehicle characterized by comprising the battery pack according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120868584.XU CN215578819U (en) | 2021-04-25 | 2021-04-25 | Battery protection plate, battery box body, battery pack and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120868584.XU CN215578819U (en) | 2021-04-25 | 2021-04-25 | Battery protection plate, battery box body, battery pack and vehicle |
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| Publication Number | Publication Date |
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| CN215578819U true CN215578819U (en) | 2022-01-18 |
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| CN202120868584.XU Active CN215578819U (en) | 2021-04-25 | 2021-04-25 | Battery protection plate, battery box body, battery pack and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023143040A1 (en) * | 2022-01-28 | 2023-08-03 | 比亚迪股份有限公司 | Protective plate for battery pack, battery pack, and vehicle |
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2021
- 2021-04-25 CN CN202120868584.XU patent/CN215578819U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023143040A1 (en) * | 2022-01-28 | 2023-08-03 | 比亚迪股份有限公司 | Protective plate for battery pack, battery pack, and vehicle |
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