CN212967885U - Power battery box body of new energy automobile - Google Patents
Power battery box body of new energy automobile Download PDFInfo
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- CN212967885U CN212967885U CN202021556423.9U CN202021556423U CN212967885U CN 212967885 U CN212967885 U CN 212967885U CN 202021556423 U CN202021556423 U CN 202021556423U CN 212967885 U CN212967885 U CN 212967885U
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- power battery
- battery box
- new energy
- side beam
- box body
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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 provides a power battery box body of a new energy automobile, which comprises a frame body positioned on the periphery of a power battery, wherein the frame body is provided with a side beam; at least one side member of the frame body is provided with a plurality of cushion assemblies, and the cushion assemblies include at least one cushion member each disposed along an extending direction perpendicular to the side member and having a cushion deforming direction deformed along the extending direction perpendicular to the side member. The side beam is added with a plurality of buffer assemblies to achieve the buffer effect on the side beam, and the anti-collision capacity is improved.
Description
Technical Field
The utility model relates to an automobile field specifically is a new energy automobile's power battery box.
Background
The utility model relates to an application of new product, the utility model relates to a new energy automobile trade and power lithium cell trade. As is known, the most important parts in a new energy automobile with a power battery are relatively delicate and easy to cause adverse reactions due to changes of the external environment; the environment that the car is located is abominable, probably drives under various operating modes, is more likely to take place unexpected collision, leads to the automobile body to warp, and then leads to actuating force battery box can't bear the collision and lead to incasement electric core to receive the extrusion, if the collision is serious, probably leads to the battery to receive extrusion deformation to cause the explosion of catching a fire.
The problem that the battery industry is also always solving is that the structure of strengthening power battery box itself, and the industry is generally through increasing the wall thickness of curb girder or increasing the quantity of the inside strengthening rib of curb girder at present, resists the side collision from the external world for the electric core in the protection box does not receive or alleviates the collision, but the anticollision effect still needs further promotion.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the structure anticollision ability of battery box itself is not strong among the prior art. The utility model provides a power battery box, through increasing a plurality of buffer unit in the curb girder and playing the cushioning effect to the curb girder, improve crashworthiness.
The utility model provides a power battery box body of a new energy automobile, which comprises a frame body positioned on the periphery of a power battery, wherein the frame body is provided with a side beam; at least one side member of the frame body is provided with a plurality of cushion assemblies, and the cushion assemblies include at least one cushion member each disposed along an extending direction perpendicular to the side member and having a cushion deforming direction deformed along the extending direction perpendicular to the side member.
By adopting the scheme, when the side face of the automobile is collided, namely the side beam of the battery pack is collided at the side face, the side beam of the frame body is extruded, and the existing new energy vehicle requires that the power battery box body is light enough, so that the strength of the side beam of the battery box is insufficient, and the strength of the side beam of the battery box is insufficient to resist collision. Therefore, on the premise of being light enough and capable of resisting collision, the anti-collision capacity can be enhanced by adding the buffer assembly in the side beam, and the battery box body is protected.
According to another specific embodiment of the utility model, the side beams at both sides of the frame body of the power battery box body of the new energy automobile disclosed by the embodiment of the utility model are provided with buffer components; and each cushioning assembly includes a connecting member disposed at an end of the cushioning member; and each cushion assembly is fixedly connected with the corresponding side beam through the connecting member.
Adopt above-mentioned scheme, all set up the buffering subassembly at the curb girder of framework both sides, can improve the buffer capacity of both sides to improve the security. Each cushion assembly is fixedly connected with the corresponding side beam through the connecting member, so that the connecting strength can be improved.
According to another specific embodiment of the present invention, the power battery box of the new energy automobile disclosed in the embodiments of the present invention, the cross section of the side beam is hollow, and each buffer assembly is disposed in the side beam; wherein the connecting members arranged at the end parts of the two sides of the buffer member are respectively fixedly connected with the inner walls of the two opposite sides of the side beam.
By adopting the scheme, the cross section of the side beam is in a hollow shape and can play a role of the energy absorption box, so that the side beam has stronger toughness. Meanwhile, each buffering assembly is arranged in the side beam, so that the space can be saved, the buffering capacity is further improved, and the structure of the side beam is unchanged when viewed from the outside.
According to another specific embodiment of the present invention, in the power battery box of a new energy automobile disclosed in the embodiments of the present invention, each buffer assembly is disposed between a side beam and an adjacent body frame; wherein the connecting members arranged at the end parts of both sides of the buffer member are respectively fixedly connected with the outer walls of the side beams and the opposite vehicle body frames.
By adopting the scheme, an independent buffer area can be formed, and the side beam is buffered by the buffer assembly and then impacted after the collision, so that the strength of the battery box is enhanced, and the side beam is protected from deformation.
According to the utility model discloses a another embodiment, the utility model discloses a new energy automobile's power battery box, buffering component is the tube-shape attenuator to connecting element is for setting up in the connecting plate of tube-shape attenuator tip.
By adopting the scheme, the connecting plate is simple in structure and convenient and reliable to mount and fix.
According to the utility model discloses a another embodiment, the utility model discloses a new energy automobile's power battery box, buffering subassembly still include additional buffering component, the additional buffering component set up the extending direction of direction perpendicular to curb girder and the buffering deformation direction of buffering component.
By adopting the scheme, the auxiliary buffer function can be realized for the impact from the height direction of the automobile, the impact is not always from the extending direction vertical to the side beam straightly, the additional buffer component is added to protect the battery box body in a three-dimensional manner, and the impact along the vertical direct impact or the impact inclined along the vertical direction is avoided.
According to the utility model discloses a another embodiment, the utility model discloses a new energy automobile's power battery box, additional buffer member is the tube-shape attenuator.
With the adoption of the scheme, the cylindrical damper is beneficial to being arranged in the position of the buffering assembly due to the fact that the outer shape of the cylindrical damper is cylindrical, and the cylindrical damper is axially the same as the buffering direction, so that the effect of buffering impact in the direction is achieved.
According to the utility model discloses a another embodiment, the utility model discloses a new energy automobile's power battery box, the tube-shape attenuator is hydraulic damper, and every hydraulic damper includes hydraulic pressure pipe and sets up the piston at hydraulic pressure pipe both ends.
According to another specific embodiment of the present invention, the power battery box of the new energy automobile disclosed in the embodiments of the present invention, each side beam is provided with at least 3 buffer assemblies; wherein at least 3 cushioning modules are arranged uniformly along the extending direction of the side member.
By adopting the scheme, at least 3 buffer assemblies are uniformly arranged along the extending direction of the side beam, so that the impact can be uniformly buffered, and the attractiveness is improved.
According to the utility model discloses a another embodiment, the utility model discloses a new energy automobile's power battery box, connecting elements pass through riveting or welded mode and corresponding curb girder fixed connection.
By adopting the scheme, the connecting member is fixedly connected with the corresponding side beam in a riveting or welding mode, so that the fixing effect can be enhanced.
The utility model has the advantages that:
the utility model provides a power battery box, through increasing a plurality of buffer unit in the curb girder and playing the cushioning effect to the curb girder, improve crashworthiness. When the side of an automobile is collided, namely the side beam of the battery pack is collided, the side beam of the frame body is extruded, and the existing new energy vehicle requires that the power battery box body is light enough, so that the side beam of the battery box is insufficient in strength and cannot resist collision. Therefore, on the premise of being light enough and capable of resisting collision, the anti-collision capacity can be enhanced by adding the buffer assembly in the side beam, and the battery box body is protected.
Drawings
Fig. 1 is a schematic front view of a power battery box of a new energy automobile in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a power battery box of the new energy automobile in the embodiment of the present invention;
fig. 3 is a schematic side view of a power battery box of the new energy vehicle according to an embodiment of the present invention;
fig. 4 is a sectional view of a buffering assembly of a power battery box of a new energy automobile in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a buffer assembly of a power battery box of a new energy automobile in an embodiment of the present invention.
Description of reference numerals:
a: buffer the deformation direction
1: a frame body; 10: a side beam; 11: a projection;
2: a buffer assembly; 21: a cushioning member; 211: a hydraulic tube; 212: a piston;
22: a connecting member; 23: a cushioning member is added.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to only those embodiments. On the contrary, the intention of implementing the novel features described in connection with the embodiments is to cover other alternatives or modifications which may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Furthermore, some of the specific details are omitted from the description so as not to obscure or obscure the present invention. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.
In the description of the present embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to which the present invention is directed must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present embodiment can be understood in specific cases by those of ordinary skill in the art.
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Examples
The power battery box body of the new energy automobile comprises a frame body 1 positioned on the periphery side of a power battery, wherein the frame body 1 is provided with a side beam 10; at least one side member 10 of the frame 1 is provided with a plurality of cushion modules 2, and the cushion modules 2 include at least one cushion member 21, each cushion member 21 being disposed along a direction perpendicular to the extending direction of the side member 10 and having a cushion deformation direction deformed along the direction perpendicular to the extending direction of the side member 10.
Specifically, the cushion assembly 2 has a cushion deformation direction that deforms in a direction perpendicular to the extending direction of the side member 10, i.e., the horizontal direction of fig. 1 or 2, and can cushion an impact from the extending direction perpendicular to the side member 10. When the side of the automobile is collided, namely the side beam 10 of the battery pack is collided, the side beam 10 of the frame 1 is extruded, and the existing new energy vehicle requires that the power battery box body is light enough, so that the side beam 10 of the battery box is not strong enough to resist the collision. Therefore, on the premise of being light enough and capable of resisting collision, the buffer assembly 2 added in the side beam 10 can enhance the collision resistance and protect the battery box body.
The plurality of cushion modules 2 are distributed along the extending direction of the side member 10, and a plurality of cushion modules 2 are arranged at each position in the extending direction of the side member 10 to bear impact, and the specific number of the cushion modules 2 can be selected by those skilled in the art according to the design requirements according to the length of the side member 10 or the material strength of the side member and other factors. The cushion assembly 2 may be disposed on one side of the side beam 10 to save space, or disposed on both side beams 10 to improve safety.
For example, in the present embodiment, the side members 10 on both sides of the power battery peripheral side frame 1 are provided with 4 cushion units 2, respectively.
The shock-absorbing member 21 may be a shock-absorbing structure including a damper, a spring, elastic rubber, a crush pad, or a crash box, and a specific structure of the shock-absorbing member 21 in the present embodiment will be described later, but the present embodiment is not particularly limited thereto.
By adopting the scheme, when the side face of the automobile is collided, namely the side beam 10 of the power battery box body is collided by the side face, the side beam 10 of the frame body 1 is extruded, and the existing new energy vehicle requires that the power battery box body is light enough, so that the side beam 10 of the power battery box body has insufficient strength and insufficient strength to resist collision. Therefore, on the premise of being light enough and capable of resisting collision, the buffer assembly 2 added in the side beam 10 can enhance the collision resistance and protect the battery box body.
In a preferred embodiment, as shown in fig. 1 to 5, side members 10 on both sides of the frame 1 are provided with cushion units 2; and each cushion assembly 2 includes a connecting member 22 provided at an end of the cushion member 21; and each of the cushion assemblies 2 is fixedly connected to the corresponding side member 10 by the connecting member 22.
Specifically, the side members 10 on both sides of the frame 1 are provided with the cushion assemblies 2 as shown in fig. 1, thereby improving safety.
The fixing connection mode of each cushion assembly 2 and the corresponding side beam 10 through the connecting member 22 can be a non-detachable fixing connection mode such as welding, riveting and the like, and can also be a detachable fixing connection mode such as threaded connection, clamping and the like.
More specifically, the connection member 22 may be a screw connection structure such as a nut or a bolt, or may be a connection structure such as a connection block or a connection plate, which is not particularly limited in the present embodiment.
By adopting the scheme, the side beams 10 on two sides of the frame body 1 are respectively provided with the buffer components 2, so that the buffer capacity of the two sides can be improved, and the safety is improved. The fixed connection of each cushion module 2 to the corresponding side member 10 via the connecting member 22 can improve the connection strength.
In a preferred embodiment, the side member 10 has a hollow shape in cross section, and each cushion module 2 is disposed inside the side member 10; wherein the connecting members 22 provided at both side end portions of the shock-absorbing member 21 are fixedly connected to the opposite side inner walls of the side member 10, respectively.
Specifically, the fixing connection manner between the connecting members 22 at the two side ends of the cushioning member 21 and the inner walls of the side beam 10 at the two opposite sides may be a non-detachable fixing connection manner such as welding or riveting, or a detachable fixing connection manner such as screwing or clipping.
As shown in fig. 3, the two plate-like connecting members 22 are connected to one end of the shock-absorbing member 21, and the two connecting members 22 are fixedly connected to the inner walls of the side member 10 on opposite sides, that is, the shock-absorbing member 21 is embedded in the side member 10, and the structure of the side member 10 is not changed when viewed from the outside.
By adopting the scheme, the cross section of the side beam 10 is in a hollow shape and can play a role of an energy absorption box, so that the side beam 10 has stronger toughness. Meanwhile, the arrangement of each cushion block 2 in the side member 10 can save space and further improve the cushioning ability, and the structure of the side member 10 is unchanged from the outside.
In another preferred embodiment, as shown in fig. 1-3, each cushion assembly 2 is disposed between a side sill 10 and an adjacent body frame 11; wherein the connecting members 22 provided at both side end portions of the shock-absorbing member 21 are fixedly connected to the outer wall of the side member 10 and the opposing body frame 11, respectively.
Specifically, the body frame 11 refers to a protruding portion protruding from the surface of the side member 10 in fig. 1, and the outer wall surface may be hollowed-out or not. That is, both side ends of the shock-absorbing member 21 are connected at one end to the outer wall of the side member 10 and at the other end to the inner wall of the body frame 11 in fig. 1.
Adopt above-mentioned scheme, can form independent buffering region, meet the collision and strike curb girder 10 through buffering subassembly 2 buffering earlier after, both strengthened battery box intensity, protect curb girder 10 again and can not take place deformation.
In a preferred embodiment, cushioning member 21 is a cylindrical damper, and connecting member 22 is a connecting plate provided at an end of the damper.
By adopting the scheme, the connecting plate is simple in structure and convenient and reliable to mount and fix.
In a preferred embodiment, as shown in fig. 3 to 4, the cushion assembly 2 further includes an additional cushioning member 23, and the additional cushioning member 23 is disposed in a direction perpendicular to the extending direction of the side member 10 and the cushioning deformation direction of the cushioning member 21.
Specifically, the additional shock-absorbing member 23 is structured as shown in the part between the two shock-absorbing members 21 in fig. 3, the additional shock-absorbing member 23 is screwed to the body frame 11 of the frame body 1 or the side member 10 between the top wall and the bottom wall in the vehicle height direction, and the additional shock-absorbing member 23 serves as an auxiliary shock-absorbing function against an impact from the vertical direction in fig. 3 (i.e., the vehicle height direction) while being perpendicular to the extending direction of the side member 10 and the shock-absorbing deformation direction of the shock-absorbing member 21.
More specifically, the structure of the additional shock-absorbing member 23 and the shock-absorbing member 21 may be a shock-absorbing structure including a damper, a spring, an airbag, elastic rubber, a crush-pad, or a crash box, and in the present embodiment, the shock-absorbing member 21.
By adopting the scheme, the auxiliary buffer function can be realized on the impact from the height direction of the automobile, the impact is not straight and is from the extending direction vertical to the side beam 10, the additional buffer member 23 is added to protect the battery box body in a three-dimensional way, and the impact along the vertical direct impact or the impact inclined along the vertical direction is avoided.
In a preferred embodiment, as shown in fig. 4-5, the additional cushioning member 23 is a cylindrical damper.
Specifically, the cylindrical damper is advantageously provided in a position where the cylindrical damper is located in the cushion assembly 2 in an outer shape of a cylindrical shape, and the cylindrical damper is axially the same as the cushion direction, and acts as a cushion against an impact in that direction.
The tubular damper is a damper commonly used in the art, such as a hydraulic damper, a rubber damper, an air damper, or a spring damper, and the damping structure of the tubular damper is not particularly limited in this embodiment.
In a preferred embodiment, as shown in fig. 4, the cylindrical dampers are hydraulic dampers each including a hydraulic pipe 211 and a piston 212 disposed at both ends of the hydraulic pipe 211.
In a preferred embodiment, as shown in fig. 1-2, at least 3 bumper assemblies 2 are provided on each side beam 10; at least 3 of the cushion modules 2 are arranged uniformly along the extending direction of the side member 10.
Specifically, the specific number of at least 3 cushion modules 2 can be selected by one skilled in the art according to design requirements based on the length of the side member 10 or the material strength of the side member 10.
With the above arrangement, at least 3 cushion units 2 are arranged uniformly along the extending direction of the side member 10, so that the impact can be uniformly cushioned, and the appearance can be improved.
In a preferred embodiment, the connecting member 22 is fixedly connected to the corresponding side member 10 by riveting or welding.
With the above arrangement, the connecting member 22 is fixedly connected to the corresponding side member 10 by riveting or welding, thereby enhancing the fixing effect.
While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a more detailed description of the invention, and the specific embodiments thereof are not to be considered as limiting. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (10)
1. A power battery box body of a new energy automobile comprises a frame body located on the periphery side of a power battery, wherein the frame body is provided with a side beam; characterized in that at least one side beam of the frame body is provided with a plurality of buffer assemblies, and
the shock-absorbing assembly includes at least one shock-absorbing member, each of which is disposed in a direction perpendicular to an extending direction of the side member and has a shock-absorbing deformation direction that deforms in a direction perpendicular to the extending direction of the side member.
2. The power battery box body of the new energy automobile as claimed in claim 1, wherein the side beams on both sides of the frame body are provided with the buffer assemblies; and is
Each of the cushioning assemblies includes a connecting member disposed at an end of the cushioning member; and is
Each of the cushion assemblies is fixedly connected with the corresponding side beam through a connecting member.
3. The power battery box body of the new energy automobile as claimed in claim 2, wherein the side beam is hollow in cross section, and each buffer assembly is arranged in the side beam; wherein
And the connecting members arranged at the end parts of the two sides of the buffer member are respectively fixedly connected with the inner walls of the two opposite sides of the side beam.
4. The power battery box body of the new energy automobile as claimed in claim 2, wherein each of the cushion assemblies is disposed between the side beam and the adjacent body frame; wherein
And the connecting members arranged at the end parts of the two sides of the buffer member are respectively fixedly connected with the outer walls of the side beams and the opposite vehicle body frame.
5. The power battery box body of the new energy automobile as claimed in claim 3 or 4, wherein the buffer member is a cylindrical damper, and the connection member is a connection plate provided at an end of the cylindrical damper.
6. The power battery box body of the new energy automobile as claimed in claim 5, wherein the buffer assembly further comprises an additional buffer member, and the additional buffer member is arranged in a direction perpendicular to the extending direction of the side member and the buffer deformation direction of the buffer member.
7. The power battery box body of the new energy automobile as claimed in claim 6, wherein the additional buffering member is a cylindrical damper.
8. The power battery box body of claim 6, wherein the cylindrical dampers are hydraulic dampers, each of which includes a hydraulic pipe and a piston provided at both ends of the hydraulic pipe.
9. The power battery box body of the new energy automobile as claimed in claim 8, wherein at least 3 of the buffer assemblies are arranged on each side beam; wherein
The at least 3 cushion units are arranged uniformly along the extending direction of the side beam.
10. The power battery box body of the new energy automobile as claimed in claim 9, wherein the connecting member is fixedly connected with the corresponding side beam by riveting or welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021556423.9U CN212967885U (en) | 2020-07-31 | 2020-07-31 | Power battery box body of new energy automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021556423.9U CN212967885U (en) | 2020-07-31 | 2020-07-31 | Power battery box body of new energy automobile |
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| CN212967885U true CN212967885U (en) | 2021-04-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113479054A (en) * | 2021-06-30 | 2021-10-08 | 云度新能源汽车有限公司 | Battery pack mounting structure of electric automobile |
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2020
- 2020-07-31 CN CN202021556423.9U patent/CN212967885U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113479054A (en) * | 2021-06-30 | 2021-10-08 | 云度新能源汽车有限公司 | Battery pack mounting structure of electric automobile |
| CN113479054B (en) * | 2021-06-30 | 2023-01-10 | 云度新能源汽车有限公司 | Battery pack mounting structure of electric automobile |
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