CN217562662U - Box structure under battery - Google Patents

Box structure under battery Download PDF

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Publication number
CN217562662U
CN217562662U CN202221459312.5U CN202221459312U CN217562662U CN 217562662 U CN217562662 U CN 217562662U CN 202221459312 U CN202221459312 U CN 202221459312U CN 217562662 U CN217562662 U CN 217562662U
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China
Prior art keywords
liquid cooling
box structure
structure according
side edge
side boundary
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CN202221459312.5U
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Chinese (zh)
Inventor
李清
何其艮
黄小清
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Chongqing Jinkang Sailisi New Energy Automobile Design Institute Co Ltd
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Chongqing Jinkang Sailisi New Energy Automobile Design Institute Co Ltd
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Priority to CN202221459312.5U priority Critical patent/CN217562662U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model discloses a box structure under battery, including the lower box of rectangle form, lower box length direction's double-phase offside is hollow left side boundary beam, right side boundary beam, and left side boundary beam, right side boundary beam pass through the liquid cooling board intercommunication, and the liquid cooling board middle part is the porous structure of harmonica form. By adopting the utility model, two opposite sides of the lower box body are arranged into a hollow structure, and the two opposite sides are connected through the liquid cooling plate, so that cooling water can flow in a flow passage formed by the left side boundary beam, the liquid cooling plate and the right side boundary beam; in addition, harmonica column structure makes the intensity of liquid cooling board better, and the stability of whole lower box is higher.

Description

Box structure under battery
Technical Field
The utility model relates to a battery field, especially a battery lower box structure.
Background
The power battery module is as electric automobile's core component, mainly has the battery box and the lithium ion battery in it to constitute, and a plurality of lithium ion monomer electricity core forms a battery module through the series-parallel connection, then arranges the battery box in by a plurality of module series-parallel connection after, and the battery box passes through inside cooling pipeline, cools off and heats inside battery monomer and module, manages the battery work at suitable temperature within range. However, the water cooling pipeline and the water cooling assembly of the existing structure occupy a large space in the battery box body, waste the space in the battery box and influence the loading capacity of the battery box body.
Disclosure of Invention
The utility model aims to provide a: the lower battery box body structure effectively saves the space in the battery box body and has a good cooling effect.
In order to realize the purpose of the utility model, the utility model provides a following technical scheme:
the utility model provides a box structure under battery, includes the lower box of rectangle form, and lower box length direction's double-phase offside is hollow left side boundary beam, right side boundary beam, and left side boundary beam, right side boundary beam pass through the liquid cooling board intercommunication, and the liquid cooling board middle part is the porous structure of harmonica form.
By adopting the utility model of the technical scheme, two opposite sides of the lower box body are designed into a hollow structure, and the two opposite sides are connected through the liquid cooling plate, so that cooling water can flow in a flow passage formed by the left side boundary beam, the liquid cooling plate and the right side boundary beam; in addition, harmonica column structure makes the intensity of liquid cooling board better, and the stability of whole lower box is higher.
Furthermore, two ends of the liquid cooling plate are fixed on the left side edge beam and the right side edge beam respectively through welding.
Furthermore, a heat conducting pad is fixed on the upper side of the liquid cooling plate. The heat conducting pad plays a role in transferring the heat of the module.
Furthermore, the heat conducting pad is soft and is fixed on the liquid cooling plate in a sticking mode. The soft heat conducting pad plays a role in buffering.
Furthermore, the heat conducting pads are arranged along the length direction of the liquid cooling plates, and two heat conducting pads are arranged on each liquid cooling plate. The heat conducting pads are arranged according to the distribution of the modules.
Furthermore, first sealing sections are welded to the two sides of the left side edge beam respectively, and second sealing sections are welded to the two ends of the right side edge beam respectively. The welding has good sealing effect.
Furthermore, a water inlet joint is arranged on the left side edge beam and beside the first sealing section.
Furthermore, a water outlet joint is welded on the second sealing section, and the end part of the water outlet joint extends out of the side beam.
Furthermore, a plurality of liquid cooling plates are welded on the left side edge beam and the right side edge beam, and supporting pieces used for fixing the module are arranged between the liquid cooling plates. The supporting piece is used for fixing the module.
Furthermore, the supporting piece extends out of the direction of the liquid cooling plate to form a fixed lug, and the supporting piece extends out of four fixed lugs on one side. The fixed support lug is used for installing and fixing the module.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
two opposite sides of the lower box body are of hollow structures, and the two opposite sides are connected through the liquid cooling plate, so that cooling water can flow in a flow passage formed by the left side edge beam, the liquid cooling plate and the right side edge beam; in addition, harmonica column structure makes the intensity of liquid cooling board better, and the stability of whole lower box is higher.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic diagram of the lower case structure of the battery of the present invention.
Wherein the figures include the following reference numerals:
1. a left side edge rail; 2. a right side sill; 3. a liquid-cooled plate; 4. a thermally conductive pad; 5. a first sealing section; 6. a second sealing profile; 7. a water inlet joint; 8. a water outlet joint; 9. a support member; 10. and fixing the support lug.
Detailed Description
It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Like figure 1, a box structure under battery, including the lower box of rectangle form, lower box length direction's double-phase offside is hollow left side boundary beam 1, right side boundary beam 2, and left side boundary beam 1, right side boundary beam 2 communicate through liquid-cooled board 3, and liquid-cooled board 3 middle part is harmonica-shaped porous structure.
By adopting the utility model of the technical scheme, two opposite sides of the lower box body are designed into a hollow structure, and the two opposite sides are connected through the liquid cooling plate 3, so that cooling water can flow in a flow passage formed by the left side boundary beam 1, the liquid cooling plate 3 and the right side boundary beam 2; in addition, harmonica structure makes liquid cooling plate 3's intensity better, and the stability of whole lower box is higher.
Further, the two ends of the liquid cooling plate 3 are fixed on the left side edge beam 1 and the right side edge beam 2 respectively through welding.
Further, a heat conducting pad 4 is fixed on the upper side of the liquid cooling plate 3. The thermal pad 4 serves to transfer the heat of the module.
Further, the heat conducting pad 4 is soft and fixed on the liquid cooling plate 3 by means of adhesion. The soft heat conducting pad 4 plays a role of buffering.
Further, the heat conduction pad 4 is arranged along the length direction of the liquid cooling plates 3, and two heat conduction pads 4 are arranged on each liquid cooling plate 3. The thermal pads 4 are arranged according to the distribution of the modules.
Furthermore, first sealing sections 5 are welded to two sides of the left side edge beam 1 respectively, and second sealing sections 6 are welded to two ends of the right side edge beam 2 respectively. The welding has good sealing effect.
Furthermore, a water inlet joint 7 is arranged on the left side edge beam 1 and beside the first sealing section 5.
Furthermore, a water outlet joint 8 is welded on the second sealing section 6, and the end part of the water outlet joint 8 extends out of the side beam.
Furthermore, a plurality of liquid cooling plates 3 are welded on the left side edge beam 1 and the right side edge beam 2, and a support piece 9 for fixing the module is arranged between the liquid cooling plates 3. The support 9 is used for fixing the module.
Furthermore, a fixing lug 10 extends from the supporting member 9 towards the liquid cooling plate 3, and four fixing lugs 10 extend from one side of the supporting member 9. The fixing support lug 10 is used for mounting and fixing the module.
The scope of the present invention is defined not by the above-described embodiments but by the appended claims and equivalents thereof.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a box structure under battery, its characterized in that, includes the lower box of rectangle form, lower box length direction's double-phase offside is hollow left side boundary beam (1), right side boundary beam (2), left side boundary beam (1), right side boundary beam (2) communicate through liquid-cooled board (3), liquid-cooled board (3) middle part is the porous structure of harmonica form.
2. The lower battery box structure according to claim 1, wherein both ends of the liquid cooling plate (3) are fixed to the left side edge beam (1) and the right side edge beam (2) by welding.
3. The lower battery box structure according to claim 1, wherein a heat conducting pad (4) is fixed on the upper side of the liquid cooling plate (3).
4. The under-battery box structure according to claim 3, characterized in that the thermal pad (4) is soft and is fixed on the liquid-cooled plate (3) by means of adhesion.
5. The under-battery box structure according to claim 3, characterized in that the heat conducting pads (4) are arranged along the length direction of the liquid cooling plates (3), and two heat conducting pads (4) are arranged on each liquid cooling plate (3).
6. The lower battery box structure according to claim 1, wherein first sealing sections (5) are welded to two sides of the left side edge beam (1) respectively, and second sealing sections (6) are welded to two ends of the right side edge beam (2) respectively.
7. The battery lower box structure according to claim 6, characterized in that a water inlet joint (7) is provided on the left side sill (1) beside the first sealing section (5).
8. The battery lower case structure according to claim 6, wherein the second sealing section (6) is welded with a water outlet joint (8), and the end of the water outlet joint (8) extends from the side beam.
9. The lower battery box structure according to claim 1, wherein a plurality of liquid cooling plates (3) are welded on the left side edge beam (1) and the right side edge beam (2), and a support member (9) for fixing a module is arranged between the liquid cooling plates (3).
10. The lower battery box structure according to claim 9, wherein the support member (9) has four fixing lugs (10) extending out in a direction toward the liquid cooling plate (3), and the support member (9) has four fixing lugs (10) extending out on one side.
CN202221459312.5U 2022-06-10 2022-06-10 Box structure under battery Active CN217562662U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221459312.5U CN217562662U (en) 2022-06-10 2022-06-10 Box structure under battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221459312.5U CN217562662U (en) 2022-06-10 2022-06-10 Box structure under battery

Publications (1)

Publication Number Publication Date
CN217562662U true CN217562662U (en) 2022-10-11

Family

ID=83501530

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221459312.5U Active CN217562662U (en) 2022-06-10 2022-06-10 Box structure under battery

Country Status (1)

Country Link
CN (1) CN217562662U (en)

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