阅读说明：本技术 电池箱组件、底护板以及车辆 (Battery box subassembly, end backplate and vehicle ) 是由 聂帅 张春林 张宇 郭思达 马腾飞 于 2019-09-24 设计创作，主要内容包括：本发明公开了一种电池箱组件、底护板以及车辆,所述电池箱组件包括：电池箱本体和底护板,所述电池箱本体固定在所述车辆的底盘下方；所述底护板设置在所述电池箱本体的下侧,所述底护板内设置有散热部。由此电池箱组件中的底护板与散热部集成在一起,简化了电池箱组件的安装结构,同时电池箱组件具有良好的防护吸能和冷却散热效果。(The invention discloses a battery box assembly, a bottom guard plate and a vehicle, wherein the battery box assembly comprises: the battery box body is fixed below a chassis of the vehicle; the bottom guard plate is arranged on the lower side of the battery box body, and a heat dissipation part is arranged in the bottom guard plate. The bottom guard plate and the heat dissipation part in the battery box assembly are integrated together, the mounting structure of the battery box assembly is simplified, and meanwhile, the battery box assembly has good protection energy absorption and cooling heat dissipation effects.)

1. A battery box assembly for a vehicle, comprising:

the battery box body is fixed below a chassis of the vehicle;

the bottom guard plate is arranged on the lower side of the battery box body, and a heat dissipation part is arranged in the bottom guard plate.

2. The battery box assembly for a vehicle of claim 1, wherein an energy absorbing plate is further disposed within the floor shield.

3. The battery box assembly for a vehicle of claim 2, wherein the floor shield comprises: the battery box comprises a battery box body, a supporting plate, an energy absorption plate and a heat dissipation part, wherein the supporting plate is suitable for supporting the battery box body, the energy absorption plate is fixed on the supporting plate, and the heat dissipation part is arranged inside the energy absorption plate.

4. The battery box assembly for a vehicle of claim 3, wherein the support plate comprises: go up backup pad and bottom suspension fagging, the energy-absorbing board sets up go up the backup pad with between the bottom suspension fagging.

5. The battery box assembly for a vehicle as set forth in claim 4, wherein said upper support plate and said lower support plate are each constructed of an aluminum alloy plate.

6. The battery box assembly for a vehicle of claim 2, wherein the energy absorbing plate is configured as an aluminum foam plate.

7. The battery box assembly for a vehicle as set forth in claim 1, wherein said heat radiating portion is constructed as a plurality of cooling pipes arranged at intervals.

8. The battery box assembly for a vehicle of claim 1, wherein the bottom cover is adhesively secured to the battery box body with a thermally conductive layer disposed therebetween.

9. A floor sheathing, comprising:

the upper supporting plate and the lower supporting plate are arranged at intervals;

the energy-absorbing plate is arranged between the upper supporting plate and the lower supporting plate, and a plurality of cooling pipes arranged at intervals are arranged in the energy-absorbing plate.

10. A vehicle comprising the battery box assembly of any one of claims 1-8.

Technical Field

The invention relates to the field of vehicles, in particular to a battery box assembly, a bottom guard plate and a vehicle.

Background

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. To this end, an object of the present invention is to provide a battery box assembly. The bottom guard plate in the battery box assembly is integrated with the heat dissipation part, so that the mounting structure of the battery box assembly is simplified, and meanwhile, the battery box assembly has good protection energy absorption and cooling heat dissipation effects.

The invention also provides a bottom guard plate with the battery box assembly in the embodiment.

The invention also provides a vehicle with the battery box assembly in the embodiment.

The battery box assembly according to the embodiment of the invention comprises: the battery box body is fixed below a chassis of the vehicle; the bottom guard plate is arranged on the lower side of the battery box body, and a heat dissipation part is arranged in the bottom guard plate.

According to the battery box assembly for the vehicle, the heat dissipation part is arranged in the bottom protection plate in the battery box assembly, the heat dissipation part and the bottom protection plate are integrated together, the bottom protection plate is arranged below the battery box body, the bottom protection plate can prevent the battery box body from being directly impacted, the battery box body is further effectively protected, and the heat dissipation part in the bottom protection plate can simultaneously guide out heat generated by the battery box body.

According to one embodiment of the invention, an energy absorbing plate is further arranged in the bottom guard plate.

According to one embodiment of the invention, the backplate comprises: the battery box comprises a battery box body, a supporting plate, an energy absorption plate and a heat dissipation part, wherein the supporting plate is suitable for supporting the battery box body, the energy absorption plate is fixed on the supporting plate, and the heat dissipation part is arranged inside the energy absorption plate.

According to one embodiment of the invention, the support plate comprises: go up backup pad and bottom suspension fagging, the energy-absorbing board sets up go up the backup pad with between the bottom suspension fagging.

According to one embodiment of the present invention, the upper support plate and the lower support plate are each configured as an aluminum alloy plate.

According to one embodiment of the invention, the energy absorbing panel is constructed as a foamed aluminium panel.

According to one embodiment of the invention, the heat dissipation portion is configured as a plurality of cooling tubes arranged at intervals.

According to one embodiment of the invention, the bottom protection plate is fixedly bonded with the battery box body, and a heat conduction layer is arranged between the bottom protection plate and the battery box body.

The floor sheathing according to the present invention is briefly described below.

The floor sheathing according to the present invention includes: the energy absorption device comprises an upper supporting plate, a lower supporting plate and an energy absorption plate, wherein the upper supporting plate and the lower supporting plate are arranged at intervals; the energy-absorbing plate is arranged between the upper supporting plate and the lower supporting plate, and a plurality of cooling pipes arranged at intervals are arranged in the energy-absorbing plate.

According to the bottom guard plate, the upper support, the lower support plate and the energy absorption plate are integrally arranged, and the energy absorption plate is arranged between the upper support plate and the lower support plate, so that the energy absorption effect of the bottom guard plate is improved, the anti-collision performance of the bottom guard plate is improved, meanwhile, the cooling pipe is also integrated on the bottom guard plate by arranging the cooling pipe in the energy absorption plate, the independent installation of the cooling pipe and a battery box body is avoided, the installation structure of a battery box component is simplified, and the upper support plate, the lower support plate, the energy absorption plate and the cooling pipe are integrated, so that the bottom guard plate has the performance of protection, energy absorption and cooling and heat dissipation.

The vehicle according to the present invention is briefly described below.

According to the battery box assembly provided with the embodiment on the vehicle, the battery box assembly provided with the embodiment on the vehicle is provided, so that the protective effect of the bottom protective plate on the battery box body is good, the heat dissipation capability on the battery box body is strong, the battery box assembly is not easy to impact, and the maintenance cost of the vehicle is low.

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 schematic structural view of a battery box assembly according to an embodiment of the present invention:

FIG. 2 is a cross-sectional view of a backplate of a battery case assembly in a thickness direction according to an embodiment of the present invention;

fig. 3 is a schematic view of a backplate of a battery box assembly according to an embodiment of the present invention.

Reference numerals:

a battery box assembly 100, a battery box body 110, a bottom guard plate 120, an upper support plate 121, a lower support plate 122,

an aluminum foam sheet 123 and a cooling pipe 124.

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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

A battery case assembly 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 3.

The battery box assembly 100 for a vehicle according to an embodiment of the present invention includes: the battery box comprises a battery box body 110 and a bottom guard plate 120, wherein the battery box body 110 is fixed below a chassis of a vehicle; the bottom guard plate 120 is disposed at a lower side of the battery case body 110, and a heat dissipation portion is disposed in the bottom guard plate 120.

The battery box body 110 provides driving force for the vehicle, the battery box body 110 is arranged below a chassis of the vehicle, the space occupation rate of the battery box body 110 on the vehicle can be reduced, and the battery box body is large in size and high in quality in the prior art, so that the center of gravity of the whole vehicle is reduced, and the vehicle is guaranteed to stably run.

The downside of battery box body 110 is provided with end backplate 120 of protection battery box body 110, with end backplate 120 setting at the downside of battery box body 110, when the vehicle is meetting the barrier, the barrier can take the lead to with end backplate 120 contact, can directly not strike battery box body 110, end backplate 120 can play the effect of protection battery box body 110, reduces the impact that battery box body 110 received to the life of battery box body 110 has been prolonged.

The bottom guard plate 120 is further provided with a heat dissipation portion, and the heat dissipation portion can discharge heat generated by the battery box body 110 out of the battery box assembly 100, so that the temperature of the battery box body 110 is kept at a normal working temperature, and the problem that the working life and the working efficiency of the battery box body 110 are influenced due to too high or too low temperature of the battery box body 110 is effectively avoided.

Through set up the heat dissipation part in end backplate 120's inside, end backplate 120 both can protect battery box body 110, can derive the produced heat of battery box body 110 again, and the protector and the heat abstractor of battery box body separately arrange among the prior art, make the mounting structure of battery box subassembly become complicated and spare part quantity is many, and the protection effect of individual layer guard plate to the battery box body is poor. The bottom guard plate 120 and the heat dissipation part are integrated together in the battery box assembly 100, so that the bottom guard plate 120 can protect the battery box body 110 and dissipate heat generated by the battery box body 110, the integration level of the bottom guard plate 120 is improved, and the installation difficulty of the battery box assembly 100 is reduced.

According to the battery box assembly 100 for the vehicle, the heat dissipation part is arranged in the bottom protective plate 120 in the battery box assembly 100, the heat dissipation part is integrated with the bottom protective plate 120, the bottom protective plate 120 is arranged below the battery box body 110, the bottom protective plate 120 can prevent the battery box body 110 from being directly impacted, the battery box body 110 is effectively protected, and the heat dissipation part in the bottom protective plate 120 can simultaneously guide out heat generated by the battery box body 110.

An energy absorbing plate is also disposed within the backplate 120 according to one embodiment of the present invention.

When the end guard plate 120 collides with the obstacle, the end guard plate 120 can receive the impact from the obstacle, through set up the energy-absorbing plate in the end guard plate 120, before the end guard plate 120 will strike and transmit to the battery box body 110, most impact energy can be absorbed by the energy-absorbing plate, buffer the impact effectively, so that the impact that the end guard plate 120 transmits to the battery box body 110 weakens or even disappears, thereby the crashworthiness of the end guard plate 120 is improved, the energy-absorbing effect, the protective effect of the end guard plate 120 to the battery box body 110 is further improved.

As shown in fig. 1, according to an embodiment of the present invention, the floor shield 120 includes: the backup pad, the backup pad is suitable for supporting battery box body 110, and the energy-absorbing board is fixed in the backup pad, and the heat dissipation part sets up the inside at the energy-absorbing board.

The backup pad can set up in the below of battery box body 110, and the backup pad can be fixed in order to support battery box body 110 with the automobile body of vehicle, has guaranteed the stability of being connected between battery box body 110 and the vehicle, and the energy-absorbing board sets up in the backup pad in order to absorb the impact that the backup pad received. The heat dissipation portion is provided inside the energy absorbing plate, so that the support plate and the energy absorbing portion can sufficiently protect the heat dissipation portion, and the heat dissipation portion is provided inside the bottom protective plate 120, thereby ensuring the heat dissipation effect of the heat dissipation portion. Meanwhile, the heat dissipation part is arranged inside the energy absorption plate, so that the volume of the bottom guard plate 120 can be reduced, and the integration level of the bottom guard plate 120 is improved.

As shown in fig. 2, according to one embodiment of the present invention, the support plate includes: an upper support plate 121 and a lower support plate 122, and an energy absorbing plate is disposed between the upper support plate 121 and the lower support plate 122.

The energy-absorbing plate sets up between upper support plate 121 and lower bolster 122, lower bolster 122 sets up the bottommost at the vehicle, receive when the impact in lower bolster 122, the impact force can be transmitted from bottom to top, and the energy-absorbing plate can cushion the impact force, in order to reduce the impact that upper support plate 121 received, and then guarantee that upper support plate 121 supports stably to battery box body 110, the upper surface and the energy-absorbing plate of lower bolster 122 end to, lower bolster 122 can support the energy-absorbing plate.

According to one embodiment of the present invention, the upper support plate 121 and the lower support plate 122 are each constructed of an aluminum alloy plate. The aluminum alloy plate has good heat conducting performance, high strength and small density, the upper supporting plate 121 is in contact with and supports the battery box body 110, and the upper supporting plate 121 is constructed as the aluminum alloy plate, so that heat on the battery box body 110 can be led out by the upper supporting plate 121; the lower support plate 122 may be in direct contact with the obstacle, and by constructing the lower support plate 122 as an aluminum alloy plate, the strength of the lower support plate 122 is improved, and the impact resistance and corrosion resistance of the lower support plate 122 are improved.

Further, since the density of the aluminum alloy member is small, by constructing the upper support plate 121 and the lower support plate 122 as the aluminum alloy plate, the weight of the bottom guard plate 120 is reduced, satisfying the requirement toward lightweight design.

As shown in fig. 2, according to an embodiment of the present invention, the energy absorbing plate is configured as a foamed aluminum plate 123, the foamed aluminum plate 123 has a structure of foamed aluminum with pores, the pores enable the foamed aluminum plate 123 to have a good energy absorbing effect, when the bottom guard plate 120 collides, the impact of the lower support plate 122 is transmitted to the foamed aluminum plate 123, and the pores on the foamed aluminum plate 123 deform due to the impact, so that the pores can disperse the transmission direction of the impact and weaken the impact transmitted to the battery box body 110, and by using the pores in the foamed aluminum plate 123, the collapse energy absorption of the pores during the collision is realized, thereby preventing the bottom guard plate 120 from directly transmitting the impact to the battery box body 110, and further protecting the battery box body 110.

According to one embodiment of the present invention, the heat dissipation portion is configured as a plurality of cooling tubes 124 that are spaced apart. Set up the coolant liquid in the cooling tube 124, so that the cooling tube 124 can derive the heat that battery box body 110 produced, reduce battery box body 110's temperature, through setting up many spaced cooling tubes 124, many cooling tubes 124 can simultaneous working, derive the heat that battery box body 110 produced rapidly, the radiating efficiency of radiating part has been improved, many cooling tubes 124 interval sets up simultaneously, the interference between adjacent cooling tube 124 has been avoided effectively, make the heat dissipation of backplate 120 more even.

Wherein, cooling tube 124 can be pre-buried inside foamed aluminum plate 123, and foamed aluminum plate 123 has good heat conductivility equally, can be with heat transfer to cooling tube 124 from battery box body 110, has improved the radiating part to battery box body 110's radiating effect.

As shown in fig. 2, according to an embodiment of the present invention, the cooling pipe 124 may be configured as an aluminum alloy circular pipe, and by configuring the cooling pipe 124 as an aluminum alloy circular pipe, the heat conductive performance and strength of the cooling pipe 124 are increased.

According to an embodiment of the present invention, the bottom cover 120 is adhesively fixed to the battery case body 110, and a heat conductive layer is disposed between the bottom cover 120 and the battery case body 110. The battery box body 110 and the bottom guard plate 120 are fixed in a bonding mode, so that the stability between the battery box body 110 and the bottom guard plate 120 is ensured, and the battery box body 110 and the bottom guard plate 120 are fixed simply and conveniently; the heat conduction layer is disposed between the bottom protection plate 120 and the battery box body 110, so that the heat conduction layer can better dissipate the heat of the battery box body 110.

The floor sheathing 120 according to the present invention is briefly described as follows.

As shown in fig. 2, the floor sheathing 120 according to the present invention includes: the energy absorption plate comprises an upper supporting plate 121, a lower supporting plate 122 and an energy absorption plate, wherein the upper supporting plate 121 and the lower supporting plate 122 are arranged at intervals; the energy absorption plate is arranged between the upper support plate 121 and the lower support plate 122, and a plurality of cooling pipes 124 arranged at intervals are arranged in the energy absorption plate.

According to the bottom guard plate 120 disclosed by the invention, the upper support plate 121, the lower support plate 122 and the energy absorption plate are integrally arranged, and the energy absorption plate is positioned between the upper support plate 121 and the lower support plate 122, so that the energy absorption effect of the bottom guard plate 120 is increased, the anti-collision performance of the bottom guard plate 120 is improved, meanwhile, the cooling pipe 124 is also integrated on the bottom guard plate 120 by arranging the cooling pipe 124 in the energy absorption plate, the independent installation of the cooling pipe 124 and the battery box body 110 is avoided, the installation structure of the battery box assembly 100 is simplified, and the upper support plate 121, the lower support plate 122, the energy absorption plate and the cooling pipe 124 are integrated into a whole, so that the bottom guard plate 120 has the performance of protection, energy absorption and cooling and heat dissipation.

The vehicle according to the present invention is briefly described below.

According to the vehicle provided with the battery box assembly 100 of the embodiment, the vehicle provided with the battery box assembly 100 of the embodiment has the advantages that the protective effect of the bottom protective plate 120 on the battery box body 110 is good, the heat dissipation capability on the battery box body 110 is strong, the battery box assembly 100 is not easy to impact, and the maintenance cost of the vehicle is low.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.

In the description of the present invention, "a plurality" means two or more.

In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.

In the description of the invention, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.

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 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 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.