CN-224217485-U - Battery restraint tray

Abstract

The utility model discloses a battery restraint tray which comprises a battery tray and a plurality of restraint components, wherein the battery tray is internally used for bearing a plurality of single battery cores, the single battery cores are clamped between every two adjacent restraint components, each restraint component comprises a single-piece air bag and an inner lining plate, the inner lining plate is arranged on the battery tray, one side of the inner lining plate is provided with the single-piece air bag, the periphery of the single-piece air bag is connected to the inner lining plate in a sealing way, a sealed cavity is formed by enclosing the single-piece air bag and the inner lining plate, the inner lining plate is provided with a gas pipeline, the gas pipeline is communicated with the sealed cavity, and gas medium can be introduced into the gas pipeline, so that the single-piece air bag expands to restrain the single battery cores. The technical scheme of the utility model can realize the modularization of the battery restraint tray, is easy to manufacture, reduces the cost of the formation process and improves the installation stability of the air bag in the battery restraint tray.

Inventors

• Request for anonymity
• Request for anonymity
• Request for anonymity

Assignees

• 深圳市瑞能创新科技有限公司

Dates

Publication Date

20260508

Application Date

20250418

Claims (12)

1. 1. A battery restraint tray, the battery restraint tray comprising: the battery tray is used for bearing a plurality of single battery cores; The plurality of restraint components are used for clamping the single battery cell between every two adjacent restraint components, each restraint component comprises a single air bag and an inner lining plate, the inner lining plate is arranged on the battery tray, the periphery of the single-piece air bag is connected to the inner lining plate in a sealing way, and a closed cavity is formed by enclosing the single-piece air bag and the inner lining plate; The gas pipeline is communicated with the closed cavity, and a gas medium can be introduced into the gas pipeline, so that the single-chip air bag expands to restrain the single battery cell.
2. 2. The battery restraint tray of claim 1, wherein the restraint assembly further comprises an airbag bead, a connecting frame strip is disposed on a periphery of the single airbag, and the airbag bead is pressed on the connecting frame strip to form the closed cavity.
3. 3. The battery restraint tray of claim 2, wherein the airbag batten is provided with a plurality of first connecting holes, the connecting frame strip is provided with a plurality of second connecting holes, and a plurality of screw holes are formed in the inner lining plate at positions corresponding to the plurality of first connecting holes and the plurality of second connecting holes, so that bolts penetrate through the first connecting holes and the second connecting holes and are screwed with the screw holes.
4. 4. The battery restraint tray of claim 3, wherein the connecting frame strip is adhered to the inner liner by glue.
5. 5. The battery restraint tray of claim 4, wherein the interior lining plate is provided with a plurality of air holes arranged in parallel, and the air holes are communicated with the gas pipeline.
6. 6. The battery restraint tray of any one of claims 1 to 5, wherein the restraint assembly further comprises a first heating plate and a second heating plate, the first heating plate is arranged on one side of the single-piece air bag, which faces away from the inner lining plate, the second heating plate is attached to one side of the inner lining plate, which faces away from the single-piece air bag, and the first heating plate and the second heating plate can be attached to the corresponding single battery cells for temperature control.
7. 7. The battery restraint tray of claim 6, wherein the battery tray comprises a tray bottom plate, a front baffle plate and a rear baffle plate, the front baffle plate and the rear baffle plate are respectively and fixedly connected to two opposite sides of the tray bottom plate, and a plurality of through holes are formed in the tray bottom plate for enabling a thimble of an air cylinder to penetrate through to eject the single battery cell.
8. 8. The battery restraint tray of claim 7, wherein the front baffle is provided with wire holes for wires of the first and second heating plates to pass through.
9. 9. The battery restraint tray of claim 8, wherein a plurality of comb plates are arranged on the tray bottom plate, a plurality of clamping grooves are arranged on the comb plates, and the clamping grooves between every two adjacent comb plates can be used for clamping the lining plate.
10. 10. The battery restraint tray of claim 9, wherein limiting holes are formed in two sides of the bottom of the inner lining plate, limiting mounting blocks are arranged on two sides of the single battery cell, and each limiting mounting block is provided with a hook portion, and the hook portions are used for being inserted into the limiting holes.
11. 11. The battery restraint tray of claim 9, wherein a manifold is connected between the rear baffle and the front baffle, the manifold having a plurality of air connections disposed thereon, each of the air connections being in communication with the corresponding air line of the interior liner via an air tube.
12. 12. The battery restraint tray of claim 7, wherein the interior lining is made of aluminum alloy, and a temperature probe is embedded in the interior lining and is used for detecting the temperature of the interior lining.

Description

Battery restraint tray Technical Field The utility model relates to the technical field of battery manufacturing, in particular to a battery restraint tray. Background The lithium battery is used as a chargeable clean energy source and is widely applied to products such as digital equipment, electric automobiles and the like. The lithium battery processing process comprises a formation process, and the formation process has the main function of activating the lithium battery. The lithium battery expands during formation, and therefore, the battery needs to be restrained by a restraining tray to control the thickness of the battery. The prior battery restraint tray has the following problems that (1) the traditional formation process flow adopts a laminated plate type pressurizing restraint tray to restrain the battery core, a restraint machine is required to be configured to finish the battery core restraint and the restraint releasing process, so that the cost is high, the process flow is complex, and (2) the prior partial battery restraint tray adopts an air bag restraint mode, but the air bag consists of two bag pieces, and the air bag lacks a corresponding fixing structure in the battery tray, so that the installation stability of the air bag is poor, and the situation of poor restraint effect possibly occurs. Disclosure of utility model The utility model mainly aims to provide a battery restraint tray, which aims to realize modularization of the battery restraint tray, is easy to manufacture, reduces the cost of a formation process and improves the installation stability of an air bag in the battery restraint tray. In order to achieve the above object, the present utility model provides a battery restraint tray comprising: The battery tray is used for bearing a plurality of single battery cores; The plurality of restraint components are used for clamping the single battery cell between every two adjacent restraint components, each restraint component comprises a single air bag and an inner lining plate, the inner lining plate is arranged on the battery tray, the periphery of the single-piece air bag is connected to the inner lining plate in a sealing way, and a closed cavity is formed by enclosing the single-piece air bag and the inner lining plate; The gas pipeline is communicated with the closed cavity, and a gas medium can be introduced into the gas pipeline, so that the single-chip air bag expands to restrain the single battery cell. Further, the restraint assembly further comprises an air bag pressing bar, a connecting frame strip is arranged on the periphery of the single air bag, and the air bag pressing bar is pressed on the connecting frame strip to form the closed cavity. Further, a plurality of first connecting holes are formed in the air bag pressing strip, a plurality of second connecting holes are formed in the connecting frame strip, and a plurality of screw holes are formed in the inner lining plate at positions corresponding to the first connecting holes and the second connecting holes and used for enabling bolts to penetrate through the first connecting holes and the second connecting holes in a screw connection mode. Further, the connecting frame strip is adhered to the inner lining plate through glue. Further, a plurality of air holes which are arranged in parallel are formed in the inner lining plate, and the air holes are communicated with the gas pipeline. Further, the restraint assembly further comprises a first heating plate and a second heating plate, the first heating plate is arranged on one side, away from the inner lining plate, of the single-piece air bag, the second heating plate is attached to one side, away from the single-piece air bag, of the inner lining plate, and the first heating plate and the second heating plate can be attached to the corresponding single battery cell to control temperature. Further, the battery tray comprises a tray bottom plate, a front baffle and a rear baffle, wherein the front baffle and the rear baffle are respectively and fixedly connected to two opposite sides of the tray bottom plate, and a plurality of through holes are formed in the tray bottom plate and used for enabling the ejector pins of the air cylinders to penetrate through and eject the single battery cells. Further, the front baffle is provided with a wire outlet hole, and the wire outlet hole is used for enabling wires of the first heating plate and the second heating plate to penetrate out. Further, a plurality of comb plates are arranged on the tray bottom plate, a plurality of clamping grooves are formed in the comb plates, and each two adjacent clamping grooves between the comb plates can be used for clamping the lining plate. Further, limiting holes are formed in two sides of the bottom of the inner lining plate, limiting installation blocks are arranged on two sides of the single battery cell, each limiting installation block is provided with a hook portion, and the ho