CN210516935U

CN210516935U - Quick radiating electric motor car lithium cell

Info

Publication number: CN210516935U
Application number: CN201921642222.8U
Authority: CN
Inventors: 王世林
Original assignee: Anhui Chuanghe New Energy Technology Co ltd
Current assignee: Anhui Chuanghe New Energy Technology Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-05-12
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a quick radiating electric motor car lithium cell relates to lithium cell technical field. The utility model discloses an outer shell, bottom fixedly connected with inner shell in the shell, the shell lateral surface is seted up flutedly, through-hole inner wall sliding connection has the slide bar, the slide bar is located the inside one end fixedly connected with arc heat-conducting plate of shell, the slide bar is located the outside one end fixedly connected with circular heating panel of shell, the louvre has been seted up on a recess surface, a circular heating panel fixed surface is connected with the stopper post, stopper post week side and louvre inner wall sliding connection, the slide bar is located the inside week side cover of shell and is equipped with spacing spring. The utility model discloses a design of inner shell, recess, slide bar, arc heat-conducting plate, circular heating panel, louvre, stopper post and spacing spring has improved the radiating effect of lithium cell greatly, prevents that the inside high temperature of lithium cell from causing the battery to damage, has improved the work efficiency of lithium cell, has increased the life of lithium cell.

Description

Quick radiating electric motor car lithium cell

Technical Field

The utility model belongs to the technical field of the lithium cell, especially, relate to a quick radiating electric motor car lithium cell.

Background

The lithium battery is a primary battery which uses lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, and has the outstanding advantages of small volume, light weight, stable working voltage, low self-discharge rate, long cycle life, no memory effect, small environmental pollution and the like, so the lithium battery gradually replaces a lead-acid battery and is widely applied to various industries such as communication, traffic and the like.

The lithium battery is generally provided with a shell for protecting an internal battery core, preventing external moisture from contacting with the inside of the battery, but generating a large amount of heat in the use process of the lithium battery, and because the internal battery core of the lithium battery is in a closed protection environment, the lithium battery cannot obtain effective heat dissipation, so that the working efficiency of the battery is not only influenced, but also the internal temperature of the battery is too high to cause battery damage, and the service life of the lithium battery is greatly shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick radiating electric motor car lithium cell, through the design of inner shell, recess, slide bar, arc heat-conducting plate, circular heating panel, louvre, stopper post and spacing spring, can produce a large amount of heats in having solved current lithium cell use, not only influenced the work efficiency of battery, can cause the battery to damage because the inside high temperature of battery moreover, shorten lithium cell life's problem greatly.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a lithium battery of an electric vehicle with rapid heat dissipation, which comprises a shell;

the inner shell is fixedly connected to the bottom in the outer shell, a groove is formed in the outer side face of the outer shell, a through hole is formed in the middle of one surface of the groove, one end of the through hole extends into the outer shell, a sliding rod is connected to the inner wall of the through hole in a sliding mode, an arc-shaped heat conducting plate is fixedly connected to one end, located in the outer shell, of the sliding rod, and one surface of the arc-shaped heat conducting plate is in;

one end of the sliding rod, which is positioned outside the shell, is fixedly connected with a circular heat dissipation plate, a heat dissipation hole is formed in one surface of the groove, a plug is fixedly connected to one surface of the circular heat dissipation plate, and the peripheral side surface of the plug is in sliding connection with the inner wall of the heat dissipation hole;

the side surface that the slide bar is located the shell inside is overlapped and is equipped with spacing spring, spacing spring one end and arc heat-conducting plate outer wall fixed connection, the spacing spring other end and shell inner wall fixed connection.

Further, the inner shell is a heat-conducting elastic cover structure, and an upper port of the inner shell extends to the top of the outer shell.

Furthermore, the top of the shell is rotatably connected with a sealing cover, and a sealing gasket is fixed on the lower surface of the sealing cover.

Furthermore, the side face of the periphery of the sliding rod is fixed with a limiting strip, and one side face of the limiting strip is connected with the inner wall of the through hole in a sliding mode.

The utility model discloses following beneficial effect has: the utility model discloses an inner shell, the recess, the slide bar, the arc heat-conducting plate, circular heat-dissipating plate, the louvre, stopper post and spacing spring's design, the heat that the lithium cell in the inner shell produced, make the gas in the inner shell expand by heating, the inner shell outer wall closely contacts with the arc heat-conducting plate inner wall, the heat in the inner shell loops through arc heat-conducting plate, the slide bar, circular heat-dissipating plate transmits to the outside of shell, thereby dispel the heat to the lithium cell in the inner shell, when the heat that the lithium cell produced is more, the inner shell further expands to the outside, force the arc heat-conducting plate to move to the outside, the arc heat-conducting plate drives circular heat-dissipating plate through the slide bar and moves out the recess to the outside, the circular heat-dissipating plate drives the stopper post to move out the louvre simultaneously, the lithium battery is prevented from being damaged due to overhigh internal temperature, the working efficiency of the lithium battery is improved, and the service life of the lithium battery is prolonged.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a lithium battery for an electric vehicle with rapid heat dissipation;

FIG. 2 is a vertical sectional view of the housing;

FIG. 3 is a cross-sectional view of the housing in a horizontal direction;

FIG. 4 is a schematic structural diagram of a groove;

FIG. 5 is a schematic structural view of an arc-shaped heat-conducting plate;

FIG. 6 is a top view of the structure of FIG. 5;

in the drawings, the components represented by the respective reference numerals are listed below:

1-outer shell, 101-inner shell, 102-groove, 103-through hole, 104-slide bar, 105-arc heat conducting plate, 106-circular heat radiating plate, 107-heat radiating hole, 108-plug column, 109-limit spring and 110-sealing cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention relates to a lithium battery for an electric vehicle with rapid heat dissipation, which comprises a housing 1;

the inner shell 101 is fixedly connected to the bottom in the outer shell 1, a groove 102 is formed in the outer side face of the outer shell 1, a through hole 103 is formed in the middle of one surface of the groove 102, one end of the through hole 103 extends into the outer shell 1, a sliding rod 104 is connected to the inner wall of the through hole 103 in a sliding mode, the sliding rod 104 is made of heat conducting materials, an arc-shaped heat conducting plate 105 is fixedly connected to one end, located inside the outer shell 1, of the sliding rod 104, and one surface;

one end of the sliding rod 104, which is positioned outside the shell 1, is fixedly connected with a circular heat dissipation plate 106, a heat dissipation hole 107 is formed in one surface of the groove 102, a plug 108 is fixedly connected to one surface of the circular heat dissipation plate 106, and the peripheral side surface of the plug 108 is in sliding connection with the inner wall of the heat dissipation hole 107;

the side surface of the sliding rod 104, which is located inside the casing 1, is sleeved with a limiting spring 109, one end of the limiting spring 109 is fixedly connected with the outer wall of the arc-shaped heat conducting plate 105, and the other end of the limiting spring 109 is fixedly connected with the inner wall of the casing 1.

As shown in fig. 2, the inner shell 101 is a heat-conducting elastic cover structure, and can recover its original appearance after being expanded, and an upper port of the inner shell 101 extends to the top of the outer shell 1.

As shown in fig. 1-2, a sealing cover 110 is rotatably connected to the top of the housing 1, and a sealing pad is fixed to the lower surface of the sealing cover 110.

As shown in fig. 2 and 5, a limiting strip is fixed on the peripheral side surface of the sliding rod 104, and one side surface of the limiting strip is slidably connected with the inner wall of the through hole 103 to prevent the sliding rod 104 from rotating in the through hole 103.

The working principle of the embodiment is as follows: when the lithium battery cooling device is used, the lithium battery is arranged at the bottom of the inner shell 101, nitrogen is filled into the inner shell 101, heat generated by the lithium battery in the inner shell 101 is heated to expand, the outer wall of the inner shell 101 is in close contact with the inner wall of the arc-shaped heat conduction plate 105, the heat in the inner shell 101 is sequentially transmitted to the outside of the outer shell 1 through the arc-shaped heat conduction plate 105, the sliding rods 104 and the circular heat dissipation plate 106, so that the lithium battery in the inner shell 101 is cooled, when the heat generated by the lithium battery is large, the inner shell 101 further expands outwards to force the arc-shaped heat conduction plate 105 to move outwards and compress the limiting springs 109, the arc-shaped heat conduction plate 105 drives the circular heat dissipation plate 106 to move outwards out of the grooves 102 through the sliding rods 104, meanwhile, the circular heat dissipation plate 106 drives the plugs 108 to move out of the heat dissipation holes 107, the heat dissipation effect of the lithium battery is greatly improved, the damage to the battery caused by the overhigh temperature inside the lithium battery is prevented, the working efficiency of the lithium battery is improved, and the service life of the lithium battery is prolonged.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean 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 invention. 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.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A lithium battery of an electric vehicle with rapid heat dissipation comprises a shell (1); the method is characterized in that:

an inner shell (101) is fixedly connected to the bottom in the outer shell (1), a groove (102) is formed in the outer side face of the outer shell (1), a through hole (103) is formed in the middle of one surface of the groove (102), one end of the through hole (103) extends into the outer shell (1), a sliding rod (104) is connected to the inner wall of the through hole (103) in a sliding mode, an arc-shaped heat conduction plate (105) is fixedly connected to one end, located in the outer shell (1), of the sliding rod (104), and one surface of the arc-shaped heat conduction plate (105) is in contact with the outer;

one end of the sliding rod (104) positioned outside the shell (1) is fixedly connected with a circular heat dissipation plate (106), a heat dissipation hole (107) is formed in one surface of the groove (102), a plug (108) is fixedly connected to one surface of the circular heat dissipation plate (106), and the peripheral side surface of the plug (108) is in sliding connection with the inner wall of the heat dissipation hole (107);

the side surface that the slide bar (104) is located inside shell (1) is sleeved with limiting spring (109), limiting spring (109) one end and arc heat-conducting plate (105) outer wall fixed connection, limiting spring (109) other end and shell (1) inner wall fixed connection.

2. The lithium battery for the electric vehicle with the rapid heat dissipation function as recited in claim 1, wherein the inner shell (101) is a heat-conducting elastic cover structure, and an upper port of the inner shell (101) extends to the top of the outer shell (1).

3. The lithium battery of the electric vehicle with the rapid heat dissipation function as recited in claim 1, wherein a sealing cover (110) is rotatably connected to the top of the housing (1), and a sealing gasket is fixed on the lower surface of the sealing cover (110).

4. The lithium battery of the electric vehicle with the rapid heat dissipation function as recited in claim 1, wherein a limit strip is fixed on the peripheral side surface of the sliding rod (104), and one side surface of the limit strip is slidably connected with the inner wall of the through hole (103).