CN211376750U

CN211376750U - Lithium battery

Info

Publication number: CN211376750U
Application number: CN202020230587.6U
Authority: CN
Inventors: 何尚伟; 谈飞
Original assignee: Jiangsu Shenzhou Traffic Equipment Co ltd
Current assignee: Jiangsu Shenzhou Traffic Equipment Co ltd
Priority date: 2020-03-01
Filing date: 2020-03-01
Publication date: 2020-08-28
Anticipated expiration: 2030-03-01

Abstract

The utility model discloses a lithium battery, which comprises a shell, wherein the right side of the shell is provided with an inlet, the left side of the shell is internally provided with an electrolyte storage chamber, a lithium battery installation bin is arranged in the shell, the electrolyte storage chamber is communicated with the lithium battery installation bin through a liquid supplementing one-way valve, a lithium battery pack and a temperature detector are arranged in the lithium battery installation bin, a graphene electrothermal film is arranged on the inner wall of the lithium battery installation bin, the diameter of an inlet is larger than that of the lithium battery installation bin, a baffle table is arranged between the lithium battery installation bin and the inlet, a plurality of springs are annularly distributed on the baffle table, the inlet is connected with a sealing cover by screw thread, a sealing ring is arranged outside the sealing cover, the left side of the shell is a silica gel extrusion part communicated with the electrolyte storage chamber, the left side of the shell is provided with a liquid supplementing port communicated with the electrolyte storage chamber, a liquid supplementing sealing cover covers the liquid supplementing port, and a controller and a heater are further arranged in the lithium battery installation bin. The structure can improve the performance of the lithium battery and can automatically supplement.

Description

Lithium battery

Technical Field

The utility model relates to a field of lithium cell specifically provides a lithium cell.

Background

A lithium battery is a rechargeable battery, and is widely used in various electronic products and electric vehicles. The exhaustion of the electrolyte is an important factor of the long-cycle capacity attenuation of the lithium ion battery. The electrolyte in the existing lithium battery is injected into the lithium battery before sealing, and a certain amount of electrolyte cannot be supplemented in time. In addition, the power supply performance of the lithium battery is greatly reduced at low temperature.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lithium cell in order to solve above-mentioned prior art not enough to the realization can improve the lithium cell performance, can automatic replenishment when electrolyte is too little.

In order to achieve the above object, the present invention provides a lithium battery, comprising a housing, an inlet disposed at the right side of the housing, an electrolyte storage chamber disposed at the left side of the housing, a lithium battery installation chamber disposed in the housing, a liquid supplementing check valve communicating the electrolyte storage chamber and the lithium battery installation chamber, a lithium battery pack and a temperature detector disposed in the lithium battery installation chamber, a graphene electrothermal film disposed on the inner wall of the lithium battery installation chamber, wherein the inlet aperture is larger than the lithium battery installation chamber, a baffle table disposed between the lithium battery installation chamber and the inlet, more than one spring disposed on the baffle table in annular distribution, a sealing cover screwed in the inlet, a sealing ring fitted with the housing around the inlet and disposed outside the sealing cover, the liquid supplementing check valve has a flow direction from the electrolyte storage chamber to the lithium battery installation chamber, and a silica gel extrusion portion communicated with the electrolyte storage chamber disposed at the left side of the housing, the left side of the shell is provided with a liquid supplementing port communicated with the electrolyte storage chamber, a liquid supplementing sealing cover covers the liquid supplementing port, a controller and a heater are further arranged in the lithium battery installation bin, and the controller is electrically connected with the heater and the temperature detector.

Further, the heaters are positioned on two sides in the lithium battery installation bin.

Further, be equipped with more than one silica gel rack on the right side of sealing washer, the right side laminating of silica gel rack and casing.

Furthermore, a lithium battery pack clamping seat is arranged in the lithium battery mounting bin, and more than one elastic clamping device is arranged in the lithium battery pack clamping seat.

Furthermore, the elastic clamp holder is of a bending structure.

Further, the elastic clamp is made of an insulating material.

Furthermore, lithium cell package holder threaded connection is in lithium cell package holder to be located the fluid infusion check valve outer lane outward.

The utility model provides a lithium battery, the utility model discloses at first fill up electrolyte in through with the electrolyte apotheca during use, then when the inside electrolyte loss of lithium cell installation storehouse or when becoming less, through extrusion silica gel extrusion portion, then send into lithium cell installation storehouse through the electrolyte of fluid infusion check valve in with the electrolyte apotheca in, implement the inside temperature of monitoring through thermodetector in addition, in case discover inside temperature low and can not adapt to lithium cell during operation, pass through heater work immediately, and utilize graphite alkene electric heat membrane to promote inside temperature, finally improve the power supply performance of lithium cell.

Drawings

FIG. 1 is a schematic view showing the internal structure of a lithium battery in example 1;

FIG. 2 is a schematic view showing the internal structure of a lithium battery in example 2;

fig. 3 is a schematic view of the internal structure of a lithium battery in example 3.

In the reference symbols: the device comprises a shell 1, an inlet 2, an electrolyte storage chamber 3, a liquid supplementing sealing cover 4, a lithium battery installation bin 5, a liquid supplementing one-way valve 6, a lithium battery pack 7, a temperature detector 8, a graphene electrothermal film 9, a baffle table 10, a spring 11, a sealing cover 12, a sealing ring 13, a silica gel extrusion part 14, a liquid supplementing port 15, a controller 16, a heater 17, a silica gel rack 18, a lithium battery pack clamping seat 19 and an elastic clamp holder 20.

Detailed Description

The invention is now described with reference to the following examples as preferred considerations.

Example 1:

as shown in fig. 1, the lithium battery provided in this embodiment includes a casing 1, an inlet 2 is disposed on the right side of the casing 1, an electrolyte storage chamber 3 is disposed in the left side of the casing 1, a lithium battery installation chamber 5 is disposed in the casing 1, the electrolyte storage chamber 3 is communicated with the lithium battery installation chamber 5 through a fluid infusion check valve 6, a lithium battery pack 7 and a temperature detector 8 are disposed in the lithium battery installation chamber 5, a graphene electrothermal film 9 is disposed on the inner wall of the lithium battery installation chamber 5, the aperture of the inlet 2 is larger than that of the lithium battery installation chamber 5, a baffle table 10 is disposed between the lithium battery installation chamber 5 and the inlet 2, more than one spring 11 is annularly distributed on the baffle table 10, a sealing cover 12 is threadedly connected to the inlet 2, a sealing ring 13 attached to the casing 1 around the inlet 2 is disposed outside the sealing cover 12, the flow direction of the fluid infusion check valve 6 is that the electrolyte storage chamber 3 flows toward the lithium battery installation chamber 5, the left side of casing 1 is the silica gel extrusion portion 14 that link up with electrolyte apotheca 3, is equipped with the fluid infusion mouth 15 with electrolyte apotheca 3 intercommunication in the left side of casing 1, has closed the sealed lid 4 of fluid infusion at fluid infusion mouth 15 upper cover, still is equipped with controller 16 and heater 17 in lithium battery installation storehouse 5, controller 16 is connected with heater 17, thermodetector 8 electricity.

Further, the heaters 17 are located at both sides in the lithium battery installation bin 5.

At first fill electrolyte in through with electrolyte apotheca 3 during the use, then when the inside electrolyte loss of lithium cell installation storehouse 5 or when becoming few, through extrusion silica gel extrusion portion 14, then send into lithium cell installation storehouse 5 with the electrolyte in the electrolyte apotheca 3 through fluid infusion check valve 6 in, implement the inside temperature of monitoring through thermodetector 8 in addition, in case discover inside temperature low and can not adapt to lithium cell during operation, pass through heater 17 work immediately, and utilize graphite alkene electric heat membrane 9 to promote inside temperature, finally improve the power supply performance of lithium cell.

Example 2:

as shown in fig. 2, the lithium battery provided in this embodiment further includes more than one silica gel rack 18 disposed on the right side of the sealing ring 13, and the silica gel rack 18 is attached to the right side of the casing 1, so as to improve the sealing effect by disposing the silica gel rack 18.

Example 3:

as shown in fig. 3, in the lithium battery provided in this embodiment, a lithium battery pack holder 19 is disposed in the lithium battery installation bin 5, and more than one elastic holder 20 is disposed in the lithium battery pack holder 19.

Further, the elastic holder 20 has a bent structure.

Further, the elastic holder 20 is made of an insulating material.

Further, lithium cell package holder 19 threaded connection is in lithium cell package holder 19 to outside being located fluid infusion check valve 6 outer lane, can clip the lithium cell package effectively through setting up elasticity holder 20.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A lithium battery comprises a shell (1) and is characterized in that an inlet (2) is arranged on the right side of the shell (1), an electrolyte storage chamber (3) is arranged in the left side of the shell (1), a lithium battery installation bin (5) is arranged in the shell (1), the electrolyte storage chamber (3) is communicated with the lithium battery installation bin (5) through a liquid supplementing one-way valve (6), a lithium battery pack (7) and a temperature detector (8) are placed in the lithium battery installation bin (5), a graphene electrothermal film (9) is arranged on the inner wall of the lithium battery installation bin (5), the caliber of the inlet (2) is larger than that of the lithium battery installation bin (5), a blocking platform (10) is arranged between the lithium battery installation bin (5) and the inlet (2), more than one spring (11) is annularly distributed on the blocking platform (10), and a sealing cover (12) is in threaded connection with the inlet (2), be equipped with sealing washer (13) with casing (1) laminating around import (2) in sealed lid (12) outside, the flow direction of fluid infusion check valve (6) is electrolyte apotheca (3) flow direction lithium cell installation storehouse (5), the left side of casing (1) is silica gel extrusion portion (14) that link up with electrolyte apotheca (3), be equipped with fluid infusion mouth (15) with electrolyte apotheca (3) intercommunication in the left side of casing (1), it has sealed lid (4) of fluid infusion to cover on fluid infusion mouth (15), still be equipped with controller (16) and heater (17) in lithium cell installation storehouse (5), controller (16) are connected with heater (17), thermodetector (8) electricity.

2. A lithium battery as claimed in claim 1, characterized in that the heaters (17) are located on both sides in the lithium battery compartment (5).

3. A lithium battery according to claim 1, characterized in that more than one silicone rack (18) is provided on the right side of the sealing ring (13), said silicone rack (18) being attached to the right side of the housing (1).

4. A lithium battery according to claim 1, characterized in that a lithium battery pack holder (19) is provided in the lithium battery compartment (5), and that more than one resilient holder (20) is provided in the lithium battery pack holder (19).

5. A lithium battery as claimed in claim 4, characterized in that the resilient holder (20) is of a bent construction.

6. A lithium battery as claimed in claim 4, characterized in that the resilient holder (20) is of an insulating material.

7. A lithium battery as claimed in claim 4, characterized in that the lithium battery pack holder (19) is screwed into the lithium battery pack holder (19) and is located outside the outer ring of the fluid replacement check valve (6).