CN207353342U - A kind of heat-dissipating and welding-free lithium battery - Google Patents

Abstract

The utility model discloses an easy welding lithium cell of dispelling heat, including shell, electric core and closing cap subassembly, the upper and lower two sides evenly distributed of shell has past outer bellied fin, is equipped with left side in the shell and holds chamber, right side appearance chamber and middle appearance chamber, electric core is established and is held the intracavity in the middle of, and the anodal ear and the negative pole ear of electric core are equipped with utmost point ear jack respectively, the intracavity is held to left side and right side appearance chamber and all is filled there is the coolant, the closing cap subassembly includes lid and connecting seat, is equipped with two through-holes that are used for passing anodal ear and negative pole ear on the lid, and the one side of connecting seat is equipped with the conductive needle that inserts utmost point ear. The utility model discloses a radiating effect is good, need not the welding, need not plus fixing device, and installation, equipment are convenient, have improved work efficiency to be unlikely to lithium cell itself and electronic components produces adverse effect on every side.

Description

A kind of heat-dissipating and welding-free lithium battery

technical field

The utility model relates to the technical field of lithium batteries, in particular to an easy-to-dissipate heat-dissipating and welding-free lithium battery.

Background technique

The heat dissipation of the lithium battery in the prior art is relatively slow, and it is easy to overheat during operation, causing the battery to deform. In severe cases, it may cause an explosion and cause personal injury, which is very unsafe; , complex operation and low work efficiency. The welding quality is unstable, the welding reliability is poor, and the phenomenon of poor contact is prone to occur as the working process time increases.

To this end, we propose a solder-free lithium battery that is easy to dissipate heat.

Utility model content

The main purpose of the utility model is to provide an easy-to-heat-dissipation welding-free lithium battery, which has good heat dissipation effect, no need for welding, no need for additional fixing devices, convenient installation and assembly, and improved work efficiency, so as not to cause damage to the lithium battery itself and its surrounding electronics. Components are adversely affected.

In order to achieve the above object, the technical scheme that the utility model takes is:

An easy-to-dissipate solder-free lithium battery, including a casing, a battery cell and a cover assembly, the upper and lower sides of the casing are evenly distributed with outwardly protruding heat sinks, and the casing is provided with a left cavity, a right cavity and a middle cavity , the battery core is set in the middle cavity, the positive tab and the negative tab of the battery are respectively provided with tab jacks, the left cavity and the right cavity are filled with coolant, and sealed by the cover assembly Covering, the cover assembly includes a cover body and a connection seat, the cover body is provided with two through holes for passing through the positive tab and the negative tab, and one side of the connection seat is provided with a conductive pin inserted into the tab hole, The other side of the connection seat is provided with a connection terminal, and the connection seat is covered behind the cover to electrically connect the connection terminal, the conductive pin and the battery core.

Further, the outer edges of the left cavity, the right cavity and the middle cavity are provided with installation grooves, and a gasket is installed in the installation grooves, so that the cover body and the shell are sealed and fixed.

Further, the gasket is made of soft plastic.

Further, the exterior of the electric core is covered with an insulating diaphragm layer.

Further, the cooling substance is solid ice or liquid water.

The utility model has the following beneficial effects:

1) The electric core of the utility model is provided with tab jacks, and a conductive pin is provided on the connection base, which can be completely installed in the application field only through the tab jacks on the connection base, eliminating the need for welding process and no additional Fixing device, easy installation and assembly, improve work efficiency;

2) There are heat sinks on the upper and lower surfaces of the shell, which is conducive to the heat dissipation of part of the battery core, and the other part of the heat is assisted by the cooling material sealed in the left and right cavity chambers. When the cooling material reaches a certain temperature, it can Open the cover to take out the heat-absorbing coolant for replacement, so as not to adversely affect the lithium battery itself and its surrounding electronic components.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the utility model embodiment;

Fig. 2 is the explosion diagram of the utility model embodiment;

Fig. 3 is a side view of the connection seat of the embodiment of the utility model.

In the figure: 1. Shell; 10. Heat sink; 11. Coolant; 12. Installation groove; 13. Gasket; 2. Battery core; 20. Positive pole ear; 21. Negative pole ear; Cover assembly; 30, cover body; 31, connection seat; 32, through hole; 310, conductive needle; 311, connection terminal.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific embodiments.

As shown in Figure 1-3, an easy-to-dissipate soldering-free lithium battery includes a casing 1, a battery cell 2 and a cover assembly 3. The upper and lower sides of the casing 1 are evenly distributed with outwardly protruding heat sinks 10, which is conducive to Part of the battery core 2 dissipates heat. The shell 1 is provided with a left cavity, a right cavity and a middle cavity. The battery core 2 is arranged in the middle cavity. ear socket, the left and right chambers are filled with coolant 11, and are sealed and closed by the cover assembly 3. When the coolant 11 reaches a certain temperature, the cover 30 can be opened to absorb heat. The cooler 11 is taken out for replacement, so as not to adversely affect the lithium battery itself and its surrounding electronic components. The cover assembly 3 includes a cover body 30 and a connecting seat 31. The cover body 30 is provided with two through holes 32 for passing through the positive tab 20 and the negative tab 21. One side of the connecting seat 31 is provided with a plug for inserting the tab. The conductive pin 310 in the hole is provided with a connecting terminal 311 on the other side of the connecting base 31 , and the connecting base 31 is covered behind the cover body 30 to electrically connect the connecting terminal 311 , the conductive pin 310 and the battery cell 2 .

In addition, mounting grooves 12 are provided on the outer edges of the left cavity, the right cavity and the middle cavity, and a gasket 13 is installed in the mounting groove 12, so that the cover 30 and the shell 1 are sealed and fixed. The gasket 13 is made of soft plastic. The exterior of the battery core 2 is covered with an insulating diaphragm layer 22 . The cooling object 11 is solid ice or liquid water.

The utility model is provided with tab jacks on the positive tab 20 and the negative tab 21 of the cell 2, and two through holes 32 are provided on the cover 30. When the cover 30 is closed, the positive tab 20 and the negative tab 21 Extending to the outer surface of the cover body 30, the connecting seat 31 can pass through the set conductive pin 310, and then cooperate with the tab socket to plug in, eliminating the need for welding process, no need for additional fixing devices, easy installation and assembly, and improved work efficiency. efficiency.

The basic principles and main features of the present utility model and the advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (5)

1. An easy-to-dissipate welding-free lithium battery, including a casing, a battery cell and a cover assembly, characterized in that: the upper and lower sides of the casing are evenly distributed with outwardly protruding heat sinks, and the casing is provided with a left cavity, a right The cavity and the middle cavity, the battery core is set in the middle cavity, the positive tab and the negative tab of the battery are respectively provided with tab jacks, the left cavity and the right cavity are filled with coolant, And sealed and closed by the cover assembly, the cover assembly includes a cover body and a connecting seat, the cover body is provided with two through holes for passing through the positive tab and the negative tab, and one side of the connection seat is provided with an insertion tab The other side of the connection seat is provided with a connection terminal for the conductive needle of the jack, and the connection seat is covered behind the cover to electrically connect the connection terminal, the conductive needle and the battery core. 2. An easy-to-dissipate solder-free lithium battery according to claim 1, characterized in that: the outer edges of the left cavity, the right cavity, and the middle cavity are provided with installation grooves, and seals are installed in the installation grooves. Pad, so that the sealing between the cover and the shell is fixed. 3. The heat-dissipating and welding-free lithium battery according to claim 2, wherein the gasket is made of soft plastic. 4. A heat-dissipating and solder-free lithium battery according to claim 1, characterized in that: the battery core is covered with an insulating diaphragm layer. 5 . The heat-dissipating and solder-free lithium battery according to claim 1 , wherein the cooling object is solid ice or liquid water.