CN209804853U - Heat dissipation protection device for lithium battery - Google Patents

Abstract

The utility model discloses a heat dissipation protection device for lithium cell, including the device casing, the equal swing joint in the left and right sides has the connection casing around the inner chamber of device casing, the outer end of connecting the casing is connected with the bolt through the bearing, the bolt is pegged graft on the device casing through the screw thread, the inner chamber outside fixedly connected with heat conduction silicone grease layer of connecting the casing, the opposite terminal surface fixedly connected with absorber plate on heat conduction silicone grease layer, the opposite face on heat conduction silicone grease layer is inlayed and is had the rectangle groove casing, the opposite terminal surface of rectangle groove casing is all fixed the grafting and is had the ventilation pipe, the ventilation pipe runs through grafting heat conduction silicone grease layer and absorber plate. The heat dissipation protection device for the lithium battery can effectively improve the heat dissipation effect of the lithium battery through the integral structure of the equipment; through the structure that is equipped with heat conduction silicone grease layer, rectangle groove casing and ventilation pipe, the radiating efficiency of improvement lithium cell that can be great.

Description

Heat dissipation protection device for lithium battery

Technical Field

The utility model relates to a lithium cell technical field specifically is a heat dissipation protection device for lithium cell.

Background

A "lithium battery" is a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material. Lithium metal batteries were first proposed and studied by Gilbert n. Lewis in 1912. In the 70 s of the 20 th century, m.s.whittingham proposed and began to study lithium ion batteries. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of science and technology, lithium batteries have become the mainstream nowadays. Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. The lithium ion battery does not contain lithium in a metal state, can be charged, can generate heat in the use process of the lithium battery, can influence the service life of the lithium battery if heat dissipation is not adopted, and can have a poor heat dissipation effect through a common heat dissipation mechanism, so that the heat dissipation protection device for the lithium battery is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell is with heat dissipation protection device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a heat dissipation protection device for a lithium battery comprises a device shell, wherein the front side, the back side, the left side and the right side of an inner cavity of the device shell are movably connected with a connecting shell, the outer end of the connecting shell is connected with a bolt through a bearing, the bolt is inserted and connected on the device shell through threads, the outer side of the inner cavity of the connecting shell is fixedly connected with a heat-conducting silicone layer, the opposite end surface of the heat-conducting silicone layer is fixedly connected with a heat absorbing plate, the opposite surface of the heat-conducting silicone layer is embedded with a rectangular groove shell, the opposite end surfaces of the rectangular groove shell are fixedly inserted with ventilation pipes, the ventilation pipe penetrates through and is inserted with the heat-conducting silicone layer and the heat absorbing plate, the air outlet end of the ventilation pipe is communicated with the air suction cavity of the inner cavity of the connecting shell, the outer end of the connecting shell is penetrated and inserted with an air suction pipe, lithium batteries are placed in the inner cavity of the device shell among the four connecting shells, and the four corners of the lower end of each lithium battery are fixedly connected with supporting legs.

Preferably, the rectangular groove shell is at least provided with 6 rectangular groove shells, the opposite surfaces of the heat-conducting silicone layer are embedded in the rectangular groove shells at equal intervals, and the opening surface of each rectangular groove shell and the inner end surface of the heat-conducting silicone layer are located on the same horizontal plane.

Preferably, the ventilation pipes are arranged in a plurality of numbers, and the ventilation pipes are arranged on the opposite end faces of the rectangular groove shell at equal intervals.

Preferably, the surface area of the connecting shell attached to the lithium battery is the same.

Preferably, the side wall of the heat absorbing plate is fixedly connected to the inner side wall of the connecting shell.

Compared with the prior art, the beneficial effects of the utility model are that: the heat dissipation protection device for the lithium battery can effectively improve the heat dissipation effect of the lithium battery through the integral structure of the equipment; through the structure that is equipped with heat conduction silicone grease layer, rectangle groove casing and ventilation pipe, heat conduction silicone grease layer can the heat absorption, and the inside circulation of air of rectangle groove casing can take away a large amount of heats in lithium cell surface to make the radiating efficiency of the improvement lithium cell that equipment can be great.

Drawings

Fig. 1 is a sectional view of the present invention.

In the figure: the device comprises a device shell 1, a connecting shell 2, a heat-conducting silicone layer 3, a rectangular groove shell 4, a ventilation pipe 5, a heat absorption plate 6, an air suction cavity 7, a bolt 8, an air suction pipe 9, a lithium battery 10 and support legs 11.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a lithium cell is with heat dissipation protection device, includes device casing 1, there is connecting casing 2 around the inner chamber of device casing 1 and the equal swing joint in the left and right sides, connecting casing 2 is the same with the face area that lithium cell 10 laminated mutually. The outer end of the connecting shell 2 is connected with a bolt 8 through a bearing, the bolt 8 is used for fastening the connecting shell 2, so that the heat-conducting silicone grease layer 3 is tightly attached to the side wall of the lithium battery 10, the bolt 8 is inserted on the device shell 1 through threads, the outer side of the inner cavity of the connecting shell 2 is fixedly connected with the heat-conducting silicone grease layer 3, the heat-conducting silicone grease layer 3 is used for heat conduction and heat dissipation of electronic devices such as a power amplifier, a transistor, an electronic tube, a CPU and the like, so that the stability of the electrical performance of electronic instruments, instruments and the like is ensured, the heat-conducting silicone rubber can be widely coated on various electronic products, the contact surface between a heating body and a heat dissipation facility in electrical equipment plays the role of a heat transfer medium and has the performances of moisture resistance, dust resistance, corrosion resistance, shock resistance and the like, the opposite end surface of the heat-conducting silicone grease layer 3, lateral wall fixed connection of absorber plate 6 is at the inside wall of connecting casing 2, the opposite face of heat conduction silicone grease layer 3 is inlayed and is had rectangular channel casing 4, and rectangular channel casing 4 plays the effect of ventilation, great improvement the heat dispersion of lithium cell 10 lateral wall, rectangular channel casing 4 is equipped with 6 at least, the opposite face at heat conduction silicone grease layer 3 is inlayed to rectangular channel casing 4 equidistance, the uncovered face of rectangular channel casing 4 and the interior terminal surface of heat conduction silicone grease layer 3 are located same horizontal plane. The opposite end faces of the rectangular groove shell 4 are fixedly connected with ventilation pipes 5 in an inserted mode, the ventilation pipes 5 are used for sucking air inside the rectangular groove shell 4, the air inside the rectangular groove shell 4 flows, the ventilation pipes 5 are provided with a plurality of air holes, and the ventilation pipes 5 are arranged on the opposite end faces of the rectangular groove shell 4 at equal intervals. The utility model discloses a lithium battery, including device casing 2, ventilation pipe 5, air-out end and the inner chamber air suction chamber 7 of connecting casing 2, ventilation pipe 5 runs through grafting heat conduction silicone grease layer 3 and absorber plate 6, ventilation pipe 5's air-out end is linked together with the inner chamber air suction chamber 7 of connecting casing 2, the outer end of connecting casing 2 runs through the grafting and has aspiration channel 9, and aspiration channel 9 passes through the pipe connection air drafting mechanism, like the fan, lithium cell 10 has been placed to 1 inner chamber of device casing between four connecting casings 2, lithium cell 10's lower.

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 (5)

1. The utility model provides a lithium cell is with heat dissipation protection device, includes device casing (1), its characterized in that: the device is characterized in that the front and back of an inner cavity of the device shell (1) and the left and right sides are movably connected with a connecting shell (2), the outer end of the connecting shell (2) is connected with a bolt (8) through a bearing, the bolt (8) is inserted in the device shell (1) through threads, the outer side of the inner cavity of the connecting shell (2) is fixedly connected with a heat-conducting silicone layer (3), the opposite end face of the heat-conducting silicone layer (3) is fixedly connected with a heat absorbing plate (6), the opposite face of the heat-conducting silicone layer (3) is embedded with a rectangular groove shell (4), the opposite end face of the rectangular groove shell (4) is fixedly inserted with a ventilation pipe (5), the ventilation pipe (5) penetrates through the inserted heat-conducting silicone layer (3) and the heat absorbing plate (6), the air outlet end of the ventilation pipe (5) is communicated with an inner cavity air suction cavity (7) of the connecting shell (2), and the air suction pipe, lithium batteries (10) are placed in the inner cavity of the device shell (1) among the four connecting shells (2), and supporting legs (11) are fixedly connected to four corners of the lower end of each lithium battery (10).

2. The heat dissipation protection device for a lithium battery as claimed in claim 1, wherein: rectangular groove casing (4) are equipped with 6 at least, rectangular groove casing (4) equidistance is inlayed at the opposite face of heat conduction silicone grease layer (3), the open face of rectangular groove casing (4) is located same horizontal plane with the interior terminal surface of heat conduction silicone grease layer (3).

3. The heat dissipation protection device for a lithium battery as claimed in claim 1, wherein: the ventilation pipes (5) are provided with a plurality of ventilation pipes, and the ventilation pipes (5) are arranged on the opposite end faces of the rectangular groove shell (4) at equal intervals.

4. The heat dissipation protection device for a lithium battery as claimed in claim 1, wherein: the surface area of the connecting shell (2) attached to the lithium battery (10) is the same.

5. The heat dissipation protection device for a lithium battery as claimed in claim 1, wherein: the side wall of the heat absorbing plate (6) is fixedly connected to the inner side wall of the connecting shell (2).