CN214800037U

CN214800037U - Anti-corrosion lithium battery protection plate

Info

Publication number: CN214800037U
Application number: CN202121492050.8U
Authority: CN
Inventors: 欧阳全秀
Original assignee: Shenzhen Nanguang Tonghua Electronics Co ltd
Current assignee: Shenzhen Nanguang Tonghua Electronics Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-11-19
Anticipated expiration: 2031-07-01

Abstract

The utility model provides a corrosion-resistant type lithium battery protection shield relates to lithium battery technology field, including lithium battery protection shield, lithium battery protection shield's upper and lower end is provided with corrosion-resistant rubber board and lower corrosion-resistant rubber board respectively. The utility model discloses a go up corrosion-resistant rubber board and lower corrosion-resistant rubber board's setting, can pass through the joint in joint ring and interior joint groove, it is fixed between corrosion-resistant rubber board and the lower corrosion-resistant rubber board to go up, thereby seal up the protection with lithium battery protection shield, avoid external gas and fluid to get into, prevent that lithium battery protection shield from being corroded, in order to play anticorrosive effect, setting through interface protection rubber sleeve, can protect connection port, simultaneously can be when connection port connects, the link with connection port protects together, thereby can protect connection port, thereby can protect lithium battery protection shield to a great extent.

Description

Anti-corrosion lithium battery protection plate

Technical Field

The utility model relates to a lithium cell technical field especially relates to an anticorrosive type lithium cell protection shield.

Background

The lithium battery protection board is used for charging and discharging protection of the series lithium battery pack; when the battery pack is fully charged, the voltage difference between the single batteries can be ensured to be smaller than a set value, the uniform charging of the single batteries of the battery pack is realized, and the charging effect under a series charging mode is effectively improved; simultaneously, the overvoltage, undervoltage, overcurrent, short circuit and overtemperature states of each single battery in the battery pack are detected, so that the service life of the battery is protected and prolonged; the undervoltage protection prevents each single battery from being damaged by overdischarge when the single battery is used for discharging.

In the prior art, for example, Chinese patent numbers are: CN 209981414U's "lithium battery protection board", it includes top layer, bottom, IC chip and fixed bed, and top layer and bottom stack in proper order, and the through-hole of a plurality of slopes is seted up on the top layer, and IC chip lateral wall is equipped with many pins, and the pin is deep until the bottom along the through-hole of slope, and the fixed bed is located the pin and is contacted the department with the through-hole on top layer. The utility model discloses a antidetonation type lithium cell protection shield, increase of service life.

However, the lithium battery protection plate does not have high corrosion resistance during use, and thus elements on the lithium battery protection plate are easily corroded during long-term use of the lithium battery protection plate, so that the lithium battery protection plate cannot be used for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having current lithium battery protection shield among the prior art and not possessing higher anticorrosiveness to lead to lithium battery protection shield when using for a long time, the component on the lithium battery protection shield is corroded easily, thereby leads to the problem that lithium battery protection shield can't use for a long time, and the anticorrosive type lithium battery protection shield that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an anticorrosive type lithium battery protection shield, includes the lithium battery protection shield, the upper and lower end of lithium battery protection shield is provided with corrosion-resistant rubber board and lower corrosion-resistant rubber board respectively, go up the interior clamping ring of the interior anchor ring fixedly connected with of corrosion-resistant rubber board's lower extreme, interior clamping groove has been seted up to the outer anchor ring of the upper end of lower corrosion-resistant rubber board, the joint sets up between interior clamping ring and the interior clamping groove, the middle part fixedly connected with connection port of one side of lithium battery protection shield, go up corrosion-resistant rubber board and lower corrosion-resistant rubber board and be close to one side of connection port and seted up the port draw-in groove, the joint sets up between connection port and the port draw-in groove.

Preferably, both sides of the lower end of the lower corrosion-resistant rubber plate are provided with connecting end holes, and the inner portions of the connecting end holes are clamped and connected with rubber sealing sleeves.

Preferably, the diameter of the outer edge of the lower end of the rubber sealing sleeve is larger than that of the connecting end hole.

Preferably, the middle part of the lower end of the lower corrosion-resistant rubber plate is provided with a heat dissipation seal groove, and the heat dissipation seal groove is fixedly connected with a heat dissipation fin.

Preferably, the thickness of the heat sink is smaller than the depth of the heat dissipation seal groove.

Preferably, the upper end joint of the inside of going up corrosion-resistant rubber board is provided with the adsorption sponge layer, go up the upper end laminating of adsorption sponge layer and lithium battery protection shield.

Preferably, the lower corrosion-resistant rubber plate is fixedly connected with an interface protection rubber sleeve at the outer edge of the port clamping groove, and the interface protection rubber sleeve is sleeved on the outer surface of the connecting port.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, the upper corrosion-resistant rubber plate and the lower corrosion-resistant rubber plate are fixed by the clamping of the inner clamping ring and the inner clamping groove through the arrangement of the upper corrosion-resistant rubber plate and the lower corrosion-resistant rubber plate, thereby the lithium battery protection plate is sealed and protected to avoid the external gas and fluid from entering, the lithium battery protection plate is prevented from being corroded to play a role of corrosion resistance, the connection port can be protected by the arrangement of the interface protection rubber sleeve, simultaneously, the connection end of the connection port can be protected together when the connection port is connected, thereby protecting the connection port, the lithium battery protection plate can be protected to a greater extent, simultaneously, the drying of the lithium battery protection plate can be ensured through the arrangement of the upper adsorption sponge layer, the corrosion-resistant effect can be realized to a greater extent, and simultaneously, the rubber material of the upper corrosion-resistant rubber plate and the lower corrosion-resistant rubber plate is used, have great frictional force when the installation to can fix the mounted position, thereby increase the utility model discloses a practicality.

2. The utility model discloses in, through the setting of rubber seal cover, can protect the connecting wire between lithium battery protection board and the lithium cell to protect the connecting wire through the rubber seal cover, when the installation simultaneously, can seal once more, can further increase the anticorrosion effect, simultaneously through the fin, can distribute the heat that the lithium battery protection board produced at the during operation, thereby increase the result of use of lithium battery protection board, with further increase the utility model discloses a practicality.

Drawings

Fig. 1 is a schematic perspective view of an anti-corrosion lithium battery protection plate according to the present invention;

fig. 2 is a schematic view of a bottom view of the corrosion-resistant lithium battery protection plate according to the present invention;

fig. 3 is an exploded schematic view of a corrosion-resistant lithium battery protection plate according to the present invention;

fig. 4 is a schematic view of a cross-sectional structure of an anti-corrosion lithium battery protection plate according to the present invention.

Illustration of the drawings:

1. an upper corrosion-resistant rubber plate; 2. a lower corrosion-resistant rubber plate; 3. an interface protection rubber sleeve; 4. a rubber sealing sleeve; 5. heat dissipation sealing grooves; 6. a heat sink; 7. a connection end hole; 8. a lithium battery protection board; 9. a connection port; 10. a port card slot; 11. an inner snap ring; 12. an inner clamping groove; 13. and a sponge layer is adsorbed on the upper surface.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 4, the utility model provides an anticorrosion lithium battery protection plate, which comprises a lithium battery protection plate 8, wherein the upper and lower ends of the lithium battery protection plate 8 are respectively provided with an upper corrosion-resistant rubber plate 1 and a lower corrosion-resistant rubber plate 2, the inner annular surface of the lower end of the upper corrosion-resistant rubber plate 1 is fixedly connected with an inner clamping ring 11, the outer annular surface of the upper end of the lower corrosion-resistant rubber plate 2 is provided with an inner clamping groove 12, the inner clamping ring 11 is clamped with the inner clamping groove 12, the middle part of one side of the lithium battery protection plate 8 is fixedly connected with a connection port 9, the sides of the upper corrosion-resistant rubber plate 1 and the lower corrosion-resistant rubber plate 2 close to the connection port 9 are provided with a port clamping groove 10, the connection port 9 is clamped with the port clamping groove 10, the outer edge of the lower corrosion-resistant rubber plate 2 located in the port clamping groove 10 is fixedly connected with an interface protection rubber sleeve 3, interface protection rubber sleeve 3 cup joints at the surface of connection port 9, and the upper end joint of the inside of going up corrosion-resistant rubber plate 1 is provided with adsorption sponge layer 13, goes up adsorption sponge layer 13 and lithium battery protection board 8's upper end laminating.

The specific arrangement and function of the upper corrosion-resistant rubber plate 1 and the lower corrosion-resistant rubber plate 2 are described below, when in use, the upper corrosion-resistant rubber plate 1 and the lower corrosion-resistant rubber plate 2 are arranged, the upper corrosion-resistant rubber plate 1 and the lower corrosion-resistant rubber plate 2 can be fixed through the clamping connection of the inner clamping ring 11 and the inner clamping groove 12, so that the lithium battery protection plate 8 is protected in a sealing manner, external gas and fluid are prevented from entering, the lithium battery protection plate 8 is prevented from being corroded to play a role in corrosion prevention, the connection port 9 can be protected through the arrangement of the interface protection rubber sleeve 3, and meanwhile, when the connection port 9 is connected, the connection end of the connection port 9 is protected together, so that the connection port can be protected, the lithium battery protection plate 8 is protected to a greater extent, and meanwhile, through the arrangement of the upper adsorption sponge layer 13, can guarantee lithium battery protection board 8's drying to realize the anticorrosion effect to a great extent, simultaneously through last corrosion-resistant rubber board 1 and the rubber material of corrosion-resistant rubber board 2 down, have great frictional force when the installation, thereby can fix the mounted position, increase the utility model discloses a practicality.

As shown in fig. 2-4, both sides of the lower end of the lower corrosion-resistant rubber plate 2 are provided with connecting end holes 7, the inner portion of each connecting end hole 7 is clamped with a rubber sealing sleeve 4, the diameter of the outer edge of the lower end of each rubber sealing sleeve 4 is larger than that of the corresponding connecting end hole 7, the middle portion of the lower end of the lower corrosion-resistant rubber plate 2 is provided with a heat dissipation sealing groove 5, a heat dissipation fin 6 is fixedly connected to the inner portion of the heat dissipation sealing groove 5, and the thickness of the heat dissipation fin 6 is smaller than the depth of the heat dissipation sealing groove 5.

The effect that its whole rubber seal cover 4 and fin 6 reached does, when using, through the setting of rubber seal cover 4, can protect the connecting wire between lithium battery protection board 8 and the lithium cell, thereby protect the connecting wire through rubber seal cover 4, when the installation simultaneously, can seal once more, thereby can further increase the anticorrosion effect, simultaneously through fin 6, can give off lithium battery protection board 8 at the heat that the during operation produced, thereby increase lithium battery protection board 8's result of use, in order to further increase the utility model discloses a practicality.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiments into equivalent variations to apply to other fields, but all those persons do not depart from the technical contents of the present invention, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical matters of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a protection shield for corrosion-resistant lithium battery, includes lithium battery protection shield (8), its characterized in that: the lithium battery protection plate comprises a lithium battery protection plate (8), wherein the upper end and the lower end of the lithium battery protection plate (8) are respectively provided with an upper corrosion-resistant rubber plate (1) and a lower corrosion-resistant rubber plate (2), an inner clamping ring (11) is fixedly connected to the inner annular surface of the lower end of the upper corrosion-resistant rubber plate (1), an inner clamping groove (12) is formed in the outer annular surface of the upper end of the lower corrosion-resistant rubber plate (2), the inner clamping ring (11) and the inner clamping groove (12) are clamped, a connection port (9) is fixedly connected to the middle of one side of the lithium battery protection plate (8), a port clamping groove (10) is formed in one side, close to the connection port (9), of the upper corrosion-resistant rubber plate (1) and the lower corrosion-resistant rubber plate (2), and a port clamping groove (10) is clamped between the connection port (9) and the port clamping groove (10).

2. The protection plate for a lithium battery as claimed in claim 1, wherein: connecting end holes (7) are formed in two sides of the lower end of the lower corrosion-resistant rubber plate (2), and rubber sealing sleeves (4) are clamped inside the connecting end holes (7).

3. The protection plate for a lithium battery against corrosion as claimed in claim 2, wherein: the diameter of the outer edge of the lower end of the rubber sealing sleeve (4) is larger than that of the connecting end hole (7).

4. The protection plate for a lithium battery as claimed in claim 1, wherein: the middle part of the lower end of the lower corrosion-resistant rubber plate (2) is provided with a heat dissipation seal groove (5), and the heat dissipation seal groove (5) is fixedly connected with a heat dissipation fin (6).

5. The lithium battery protection plate of claim 4, wherein: the thickness of the radiating fin (6) is smaller than the depth of the radiating seal groove (5).

6. The protection plate for a lithium battery as claimed in claim 1, wherein: go up the upper end joint of the inside of corrosion-resistant rubber board (1) and be provided with adsorption sponge layer (13), go up adsorption sponge layer (13) and the laminating of the upper end of lithium battery protection shield (8).

7. The protection plate for a lithium battery as claimed in claim 1, wherein: the lower corrosion-resistant rubber plate (2) is fixedly connected with an interface protective rubber sleeve (3) at the outer edge of the port clamping groove (10), and the interface protective rubber sleeve (3) is sleeved on the outer surface of the connecting port (9).