CN-122000588-A - Lightweight battery bracket

CN122000588ACN 122000588 ACN122000588 ACN 122000588ACN-122000588-A

Abstract

The invention belongs to the field of new energy vehicles, and provides a lightweight battery bracket which comprises a tray, a top cover, a spacing component and a connecting beam, wherein the tray comprises an aluminum cladding, a metal reinforcing plate distributed along the periphery of the aluminum cladding is arranged at the bottom of the aluminum cladding, a nonmetal liquid cooling groove is arranged at the inner side of the metal reinforcing plate, a supporting plate is arranged at the bottom of the nonmetal liquid cooling groove, two sides of the supporting plate are connected with the side face of the tray, the top cover comprises a left cover plate, a middle cover plate, a right cover plate and a nonmetal cover plate connected through a dovetail structure, and the nonmetal cover plate and the nonmetal liquid cooling groove are both made of ultrahigh molecular weight polyethylene materials. The invention adopts a design of a single-layer aluminum cladding and a nonmetal liquid cooling tank, can achieve the effect of light weight on the basis of realizing liquid cooling, and adopts a nonmetal cover plate as a transition part among a left cover plate, a middle cover plate and a right cover plate, thereby reducing the flow of circulating water at the interval position of a battery, and further realizing light weight on the basis of improving the cooling efficiency of the circulating water.

Inventors

DENG HAIYANG
SONG WENCHUN
Gu haixing
ZHONG ZHAOXIONG
XING DANDAN
LONG TAO

Assignees

烟台尚游汽车科技有限公司

Dates

Publication Date: 20260508
Application Date: 20251231

Claims (10)

1. The utility model provides a lightweight battery bracket, includes tray and top cap, the inside of tray is provided with spacing component, all be provided with the tie-beam around the tray, a serial communication port, the tray includes the aluminium covering, the bottom of aluminium covering is provided with the metal reinforcing plate of following its a week distribution, the inboard of metal reinforcing plate is provided with nonmetal liquid cooling groove, nonmetal liquid cooling groove's bottom is provided with the layer board, the both sides of layer board are connected with the side of tray, the top cap is including setting gradually and passing through bolted connection's left side apron, middle apron and right apron with the tray, the side of left side apron, middle apron and right apron all is provided with the mouth of pipe, all be provided with from the closed groove between middle apron and left side apron and the right apron, the centre of closed groove is provided with the forked tail structure, be provided with in the closed groove with the nonmetal apron of forked tail structure complex, nonmetal apron's both sides and the cell wall of closed fit, nonmetal apron and nonmetal groove are made by ultrahigh molecular weight polyethylene liquid cooling material.
2. The lightweight battery bracket according to claim 1, wherein a lower nozzle is provided on a side surface of the metal reinforcing plate, and an opposite interface corresponding to the lower nozzle is provided on a side surface of the nonmetal liquid cooling tank.
3. The lightweight battery bracket according to claim 2, wherein the aluminum cladding is provided with an upper peripheral plate and a lower peripheral plate on the side surfaces thereof, two sets of side cooling groove sets symmetrically distributed between the upper peripheral plate and the lower peripheral plate are provided on the two sides of the aluminum cladding, the side cooling groove sets are made of ultra-high molecular weight polyethylene material, and an intermediate pipe orifice is provided on the side surfaces of the side cooling groove sets.
4. A lightweight battery bracket according to claim 3, wherein the side cooling groove group comprises two L-shaped side cooling grooves, the L-shaped openings of the side cooling grooves are matched with the right-angle corners of the aluminum cladding, and the opposite surfaces of the two side cooling grooves are provided with an outer insertion pipe and an inner insertion groove.
5. The lightweight battery bracket according to claim 4, wherein a plurality of waist-shaped openings are formed in the side surface of the metal reinforcing plate, a waist-shaped groove corresponding to the waist-shaped opening is formed in the side surface of the nonmetal liquid cooling groove, and a waist-shaped connecting block is arranged in the waist-shaped opening and the waist-shaped groove.
6. The lightweight battery bracket according to claim 5, wherein the bracket comprises a bottom plate portion, two side plate portions extending toward the side face of the aluminum cladding are provided at both ends of the bottom plate portion, a bifurcation is provided between the side plate portions, and the waist-shaped connection block is provided inside the plate face of the side plate portion.
7. The lightweight battery bracket according to claim 6, wherein the pallet is provided with reinforcing edges continuously distributed one round around the edges of the bottom plate portion and the side plate portion and the edges of the crotch.
8. The lightweight battery carrier of claim 7, wherein the spacer assembly comprises two risers and a cross plate in a staggered arrangement, wherein the bottoms of the risers and cross plate are each provided with a connecting hole, and wherein the connecting holes are each provided with a positioning assembly connected with the inner bottom of the carrier.
9. The lightweight battery bracket according to claim 8, wherein the positioning assembly comprises a positioning inner stud, an inner hexagon bolt in threaded connection with the positioning inner stud is arranged in the positioning inner stud, the connecting hole is a conical hole, a positioning column is arranged at the top of the conical hole, and a spring matched with the top surface of the inner hexagon bolt is arranged on the outer side of the positioning column.
10. The lightweight battery carrier of claim 9, wherein the risers and cross plates are each made of ultra high molecular weight polyethylene material.

Description

Lightweight battery bracket Technical Field The invention belongs to the field of new energy vehicles, and particularly relates to a lightweight battery bracket. Background The battery bracket for the new energy vehicle has the core functions of fixing, positioning and protecting the battery and assisting the battery to stably work, such as providing a liquid cooling function. The improvement direction of the battery bracket mainly expands around the five core targets of light weight, multifunctional integration, suitability, safety and intellectualization, and simultaneously combines the differentiated requirements of different application scenes such as automobiles, energy storage and electrical equipment. The common battery bracket is mostly made of stainless steel sections by welding, an aluminum plate is often used for replacing the original stainless steel materials in the light weight direction, and the bracket and the tray are integrated, so that the light weight effect can be achieved, but due to the liquid cooling requirement, the tray position still adopts a metal interlayer design, and a certain lifting space is provided for the integrated tray bracket so as to meet the market light weight requirement, and furthermore, the upper cover plate of the integrated tray bracket is of an integrated sealing structure, and the liquid cooling interlayer can obtain a larger water running area, but the cold energy utilization rate of circulating water at the position near the battery interval is lower than that near the middle position of the battery, so that the circulating water utilization rate and the light weight effect are required to be improved. Disclosure of Invention Aiming at the technical problems of the integrated bracket tray, the invention provides the lightweight battery bracket which has reasonable design and good lightweight effect and is beneficial to improving the utilization rate of circulating water. In order to achieve the above purpose, the technical scheme includes that the lightweight battery bracket comprises a tray and a top cover, wherein a spacing component is arranged in the tray, connecting beams are arranged around the tray, the tray comprises an aluminum cladding, a metal reinforcing plate distributed along the periphery of the aluminum cladding is arranged at the bottom of the aluminum cladding, a nonmetal liquid cooling groove is arranged on the inner side of the metal reinforcing plate, a supporting plate is arranged at the bottom of the nonmetal liquid cooling groove, two sides of the supporting plate are connected with the side face of the tray, the top cover comprises a left cover plate, a middle cover plate and a right cover plate which are sequentially arranged and connected with the tray through bolts, upper pipe orifices are arranged on the side faces of the left cover plate, the middle cover plate and the right cover plate, self-closing grooves are formed between the middle cover plate and the left cover plate, a dovetail structure is arranged in the middle of the self-closing grooves, nonmetal cover plates matched with the self-closing grooves are arranged in the self-closing grooves, two sides of the nonmetal cover plates are in close fit with the groove walls of the self-closing grooves, and the nonmetal cover plates and the nonmetal liquid cooling grooves are made of ultrahigh molecular weight polyethylene materials. Preferably, a lower pipe orifice is arranged on the side face of the metal reinforcing plate, and an opposite interface corresponding to the lower pipe orifice is arranged on the side face of the nonmetal liquid cooling tank. Preferably, an upper peripheral plate and a lower peripheral plate are arranged on the side face of the aluminum cladding, two groups of side cooling groove groups symmetrically distributed between the upper peripheral plate and the lower peripheral plate are arranged on the two sides of the aluminum cladding, the side cooling groove groups are made of ultra-high molecular weight polyethylene materials, and a middle pipe orifice is arranged on the side face of the side cooling groove groups. Preferably, the side cooling groove group comprises two L-shaped side cooling grooves, L-shaped openings of the side cooling grooves are matched with right-angle edges of the aluminum cladding, and the opposite surfaces of the two side cooling grooves are provided with an outer insertion pipe and an inner insertion groove. Preferably, a plurality of waist-shaped openings are formed in the side face of the metal reinforcing plate, a waist-shaped groove corresponding to the waist-shaped opening is formed in the side face of the nonmetal liquid cooling groove, and a waist-shaped connecting block is arranged in the waist-shaped opening and the waist-shaped groove. Preferably, the pallet comprises a bottom plate part, two side plate parts extending towards the side surfaces of the aluminum cladding are arranged at two ends of the bottom plate