CN218586141U

CN218586141U - Battery case cover plate

Info

Publication number: CN218586141U
Application number: CN202222314191.1U
Authority: CN
Inventors: 叶嘉明; 吴金波; 李俊杨
Original assignee: Guangdong Kexin Juli New Energy Co ltd
Current assignee: Guangdong Kexin Juli New Energy Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-03-07
Anticipated expiration: 2032-08-31

Abstract

The utility model belongs to the technical field of the battery preparation, a battery case apron is related to, include: the cover plate is provided with a liquid injection hole at one eccentric side and an explosion-proof valve hole at the middle position, and the explosion-proof valve is arranged in the explosion-proof valve hole; a surface paste is hermetically bonded on the explosion-proof valve hole on the front side of the cover plate, and a safety valve explosion-proof film is hermetically bonded on the explosion-proof valve hole on the rear side of the cover plate; the cover plate is provided with a plurality of buckles, and the insulation pad is fixed on the cover plate through the buckles; the insulation pad is provided with a groove for placing the RFID label; and the anode column assembly is arranged on one side of the cover plate, and the cathode column assembly is arranged on the other side of the cover plate. The battery inventory checking system has the characteristics of convenience in follow-up tracing of battery information and battery inventory checking.

Description

Battery case cover plate

Technical Field

The utility model belongs to the technical field of the battery preparation, in particular to battery case apron.

Background

The existing square aluminum-shell battery generally has no information recording function, the recording of battery information is marked on the surface of a battery cover plate in a laser printing mode by laser printing a bar code or a two-dimensional code, and then the information of the battery is searched by an information retrieval system, and the problems existing in the production process are as follows: the code-spraying information is easy to erase, so that the battery information cannot be traced through the code-spraying information. In addition, after the single batteries are formed into the battery module, the code spraying information is shielded, so that the code spraying information cannot be acquired. Aiming at the technical problems, the method comprises the following steps: for the inconvenience of code spraying information reading, the product design is improved and perfected.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned technical problem who exists among the prior art, the utility model provides a battery case cover plate, even spout a yard battery and spout a yard information and erased, perhaps the battery can't look over after being assembled into the group battery and spout a yard information, still can read battery information. The battery inventory checking system has the characteristics of convenience in follow-up tracing of battery information and battery inventory checking.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a battery case cover plate comprising: the cover plate is provided with a liquid injection hole at one eccentric side and an explosion-proof valve hole at the middle position, and the explosion-proof valve is arranged in the explosion-proof valve hole; a surface paste is hermetically bonded on the explosion-proof valve hole on the front side of the cover plate, and a safety valve explosion-proof film is hermetically bonded on the explosion-proof valve hole on the rear side of the cover plate; the cover plate is provided with a plurality of buckles, and the insulating pad is fixed on the cover plate through the buckles; the insulation pad is provided with a groove for placing the RFID label; and a positive pole column assembly is installed on one side of the cover plate, and a negative pole column assembly is installed on the other side of the cover plate.

Optionally, the cover plate is of a plate-shaped structure, and preferably, the cover plate is made of an aluminum material; the plurality of buckles are uniformly distributed on the outer edge of the insulating pad; the buckle and the safety valve explosion-proof membrane are made of aluminum materials.

Optionally, the surface patch is made of polyethylene terephthalate.

Optionally, one side of the insulating pad close to the cover plate is matched with the cover plate in shape; the RFID tag is characterized in that the structure of the RFID tag is wide in the middle part and narrow in end parts at two sides, the RFID tag is an ultrahigh frequency tag, the ultrahigh frequency tag is a passive tag resistant to metal interference, and the RFID tag and the insulating pad are made of PVC materials.

Optionally, the positive electrode pillar assembly includes: plastic, anodal rubber coating, anodal post and positive seal circle on the positive pole, it has anodal rubber coating to bond on the plastic on the positive pole, be connected with the anodal sealing washer that anodal post and anodal post cup jointed on the anodal rubber coating, the sealed bonding of positive seal circle is downthehole in the positive pole of apron.

Optionally, the plastic on the positive electrode is made of conductive polyethyleneimine, the encapsulation of the positive electrode is made of conductive polyphenylene sulfide, the positive electrode column is made of aluminum, and the positive electrode sealing ring is made of fluororubber.

Optionally, the negative electrode pillar assembly includes: the negative pole is connected with a negative pole sealing ring sleeved with the negative pole column and the negative pole column, and the negative pole sealing ring is bonded in a negative pole hole of the cover plate in a sealing manner.

Compared with the prior art, the utility model discloses following effect has been reached:

the utility model provides a square aluminum-shell battery apron utilizes the programmer, and battery information can be write into through the RFID read write line to distance in the non-contact 10cm, for example: the initial capacity, the initial internal resistance, the K value, the battery weight, abnormal information in the manufacturing process and the like are written into the label, the information of a plurality of batteries in the distance can be read at one time, and the information of the batteries can be conveniently traced in the follow-up process. Moreover, even after the battery pack is assembled, data can still be read by the RFID reader-writer, the reading distance is 4-10 meters, the efficiency of tracing battery information is greatly improved, and meanwhile, the inventory of the battery is convenient.

Drawings

Fig. 1 is an exploded view of a battery case cover plate according to the present invention;

fig. 2 is a front view of the battery case cover plate of the present invention;

fig. 3 is a bottom view of the battery case cover plate of the present invention;

fig. 4 is a schematic diagram of the positive and negative pole post assemblies of the battery case cover plate of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

Radio Frequency Identification (RFID) is a communication technology that can identify a specific target and read and write related data through Radio signals without establishing mechanical or optical contact between an Identification system and the specific target. The used RFID label is an ultrahigh frequency label, and the working frequency is as follows: 860-960MHz. The battery adopting the cover plate can read information when running in a production logistics line, can simultaneously identify information of a plurality of batteries, and is quick and convenient to operate.

Examples

As shown in fig. 1, a battery case cap plate includes: the cover plate 1 (figure 2) is provided with a liquid injection hole 11 at one eccentric side and an explosion-proof valve hole 12 at the middle position, and the explosion-proof valve is arranged in the explosion-proof valve hole to prevent the battery from exploding due to overlarge internal pressure; a face sticker 6 is bonded on the explosion-proof valve hole on the front side of the cover plate 1 and can prevent the explosion-proof valve from being damaged from the outside. A safety valve explosion-proof membrane 4 is bonded on an explosion-proof valve hole at the rear side of the cover plate 1, and the surface sticker and the safety explosion-proof membrane are hermetically connected with the explosion-proof hole; the cover plate 1 is provided with a plurality of buckles 5, and the insulating pad 2 is fixed on the cover plate through the buckles 5; the insulation pad 2 is provided with a groove for placing the RFID tag 3; and a positive pole column assembly 7 is installed on one side of the cover plate, and a negative pole column assembly 8 is installed on the other side of the cover plate 1.

Optionally, the cover plate 1 is made of aluminum and is 3003-H14 in number; the surface paste 6 is made of polyethylene terephthalate (PET); the cover plate has the advantages of easy processing and forming, high-temperature corrosion resistance, good heat transfer performance and electric conductivity.

Optionally, the plurality of buckles are uniformly distributed on the outer edge of the insulating pad and used for clamping the insulating pad; the buckle 5 and the safety valve explosion-proof membrane 4 are made of aluminum materials, and the aluminum materials with the mark of MFX2 are preferably selected.

Optionally, as shown in fig. 3, one side of the insulating pad 2 close to the cover plate matches with the shape of the cover plate; the RFID tag 3 is wide in middle part bit width and narrow in two side end parts; the RFID tag 3 is an ultrahigh frequency tag, the ultrahigh frequency tag is a passive tag resistant to metal interference, and the RFID tag 3 and the insulating pad 2 are both made of polyvinyl chloride (PVC) materials.

Optionally, as shown in fig. 4, the positive pole assembly 7 includes: the positive pole comprises positive pole upper plastic 71, a positive pole rubber coating 72, a positive pole post 73 and a positive pole sealing ring 74, wherein the positive pole upper plastic 71 is bonded with the positive pole rubber coating 72, the positive pole post 73 and the positive pole sealing ring 74 sleeved with the positive pole post are connected onto the positive pole rubber coating 72, and the positive pole sealing ring 74 is bonded in a positive pole hole of the cover plate in a sealing mode. The positive pole is matched with the positive pole encapsulation shape, and preferably the positive pole is in a round table shape.

Optionally, the positive electrode upper plastic 71 is made of conductive Polyethyleneimine (PEI), the positive electrode encapsulation 72 is made of conductive polyphenylene sulfide (PPS), and the positive electrode pillar 73 is made of an aluminum material, preferably 1060-H14 aluminum; the positive seal ring 74 is made of a fluororubber material.

Optionally, as shown in fig. 4, the negative electrode pillar assembly 8 includes: the plastic 81, negative pole rubber coating 82, negative pole post 83 and negative pole sealing washer 84 on the negative pole, it has negative pole rubber coating 82 to bond on the plastic 81 on the negative pole, is connected with negative pole post 83 and the negative pole sealing washer 84 that the negative pole post cup jointed on the negative pole rubber coating 82, negative pole sealing washer 84 is sealed to be bonded in the negative pole of apron is downthehole.

Optionally, the plastic 81 on the negative electrode is made of insulating Polyethyleneimine (PEI), the negative electrode encapsulation 82 is made of insulating polyphenylene sulfide (PPS), the negative electrode column 83 is made of a copper material, and the negative electrode sealing ring 84 is made of a fluororubber material.

This product can write in into battery information through the RFID read write line, makes things convenient for follow-up tracing back battery information. Moreover, even after the battery pack is assembled, data can still be read by the RFID reader-writer, the reading distance is 4-10 meters, the efficiency of tracing battery information is greatly improved, and meanwhile, the inventory of the battery is convenient.

In the description of the present specification, reference to the description of the terms "in an embodiment," "in another embodiment," "exemplary" or "in a particular embodiment," etc., means 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 present disclosure. 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.

Although the present disclosure has been described in detail hereinabove by way of general description, specific embodiments and experiments, it will be apparent to those skilled in the art that certain modifications or improvements may be made thereto based on the present disclosure. Accordingly, such modifications and improvements are intended to be within the scope of this disclosure, as claimed.

Claims

1. A battery case cover plate comprising: the cover plate is provided with a liquid injection hole at one eccentric side and an explosion-proof valve hole at the middle position, and is characterized in that the explosion-proof valve is arranged in the explosion-proof valve hole; a surface paste is hermetically bonded on the explosion-proof valve hole on the front side of the cover plate, and a safety valve explosion-proof film is hermetically bonded on the explosion-proof valve hole on the rear side of the cover plate; the cover plate is provided with a plurality of buckles, and the insulating pad is fixed on the cover plate through the buckles; the insulation pad is provided with a groove for placing the RFID label; and the anode column assembly is arranged on one side of the cover plate, and the cathode column assembly is arranged on the other side of the cover plate.

2. The battery case cover plate according to claim 1, wherein the cover plate has a plate-shaped structure; the plurality of buckles are uniformly distributed on the outer edge of the insulating pad; the buckle is made of aluminum materials.

3. The cover plate for battery case according to claim 2, wherein the surface paste is made of polyethylene terephthalate and the explosion-proof membrane of safety valve is made of aluminum.

4. The battery case cover plate of claim 1, wherein the insulating mat is shaped to match the shape of the cover plate on the side adjacent to the cover plate.

5. The battery case cover plate according to claim 1, wherein the RFID tag has a structure with a wide middle part and narrow end parts at two sides, and is an ultrahigh frequency tag which is a passive tag resistant to metal interference.

6. The battery case cover plate according to claim 1, wherein the positive electrode pillar assembly comprises: the plastic, anodal rubber coating, anodal post and anodal sealing washer on the positive pole, it has anodal rubber coating to bond on the positive pole on the plastic, be connected with anodal post and the anodal sealing washer that the anodal post cup jointed on the anodal rubber coating, anodal sealing washer seals and bonds in the anodal downthehole of apron.

7. The cover plate of battery case as claimed in claim 6, wherein the plastic on the positive electrode is made of conductive polyethyleneimine, the encapsulation on the positive electrode is made of conductive polyphenylene sulfide, the positive electrode pillar is made of aluminum, and the sealing ring on the positive electrode is made of fluororubber.

8. The battery case cover plate according to claim 1, wherein the negative electrode pillar assembly comprises: the negative pole comprises plastic on the negative pole, negative pole rubber coating, a negative pole column and a negative pole sealing ring, wherein the negative pole rubber coating is bonded on the negative pole, the negative pole rubber coating is connected with the negative pole column and the negative pole sealing ring which is sleeved with the negative pole column, and the negative pole sealing ring is bonded in a negative pole hole of the cover plate in a sealing manner.