CN212434718U

CN212434718U - Lithium battery pack with ventilation and heat dissipation structure

Info

Publication number: CN212434718U
Application number: CN202021342455.9U
Authority: CN
Inventors: 陈书旭; 戴祝胜
Original assignee: Dongshan Shendun New Energy Technology Co ltd
Current assignee: Dongshan Shendun New Energy Technology Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-01-29
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses a lithium cell group with ventilation cooling structure, when the lithium cell operation of case shell inner chamber during operation, the lithium cell produces the heat, the heat that the lithium cell produced passes through first soaking pit water conservancy diversion to the second soaking pit, and the side-mounting of second soaking pit has the semiconductor refrigeration, the semiconductor refrigeration makes the second soaking pit reach the effect of cooling through refrigeration, and the refrigerated heat of semiconductor is derived by ventilating fan through heat radiation fins, thereby the lithium cell that makes the case shell inner chamber reaches radiating effect, prevent that the lithium cell from leading to the explosion because of the temperature is overheated, the side-mounting of fan cover has the desiccator, the desiccator can adsorb the moisture of case shell inner chamber, prevent inside moisture too big influence lithium cell, and the pull formula can conveniently change the desiccator.

Description

Lithium battery pack with ventilation and heat dissipation structure

Technical Field

The utility model relates to a lithium cell group technical field specifically is a lithium cell group with ventilation cooling structure.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as positive/negative electrode material and uses non-aqueous electrolyte solution, because the chemical property of the lithium metal is very active, the processing, storage and use of the lithium metal have very high requirements for environment, along with the development of scientific technology, the lithium battery becomes the mainstream, and the lithium battery is connected by combining a plurality of monomers to become a lithium battery pack

However, the existing lithium battery pack is poor in heat dissipation effect when in use, and adopts natural cooling to cool, so that the lithium battery is easy to explode due to high temperature.

The problems described above are addressed. Therefore, a lithium battery pack with a ventilation and heat dissipation structure is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell group with ventilation cooling structure, when the lithium cell operation of case shell inner chamber during operation, the lithium cell produces the heat, the heat that the lithium cell produced passes through first soaking pit water conservancy diversion to the second soaking pit, and the side-mounting of second soaking pit has the semiconductor refrigeration, the semiconductor refrigeration makes the second soaking pit reach the effect of cooling through refrigeration, and the refrigerated heat of semiconductor is derived by ventilation fan through heat radiation fins, thereby the lithium cell that makes case shell inner chamber reaches radiating effect, prevent that the lithium cell from leading to the explosion because of the temperature is overheated, thereby the problem in the above-mentioned background art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium cell group with ventilation cooling structure, lithium cell group includes case shell, case lid, bolt, radiator unit and moisture absorption mechanism, and the case lid is installed to the upper end of case shell, and the upper end four corners threaded connection of case lid has the bolt, and radiator unit is installed to the side-mounting of case shell, and moisture absorption mechanism is installed to positive one side of case shell.

Preferably, the case shell includes the lithium cell, first soaking board, the second soaking board, the semiconductor refrigeration, heat radiation fins, radiator fan, ventilation fan and fan cover, the lithium cell is installed to the inner chamber of case shell, first soaking board is installed to the inner chamber of case shell, and be located adjacent lithium cell surface, the second soaking board is installed to the other end of first soaking board, the side of second soaking board is connected with the semiconductor refrigeration through heat conduction silicone grease, heat radiation fins is connected through heat conduction silicone grease to the refrigerated other end of semiconductor, heat radiation fins's side-mounting has radiator fan, ventilation fan is installed to the other end of case shell, ventilation fan's side-mounting has the fan cover that expands.

Preferably, the first soaking plate is wavy.

Preferably, the fan housing includes an air outlet and a guide plate, the air outlet is provided on the outer surface and the bottom surface of the fan housing, and the guide plate is installed on the side wall of the inner cavity of the fan housing.

Preferably, moisture absorption mechanism includes silica gel lug, ventilation hole and hygroscopic agent, and the silica gel lug is installed to moisture absorption mechanism's upper end and lower extreme, and the ventilation hole is installed to moisture absorption mechanism's side, and hygroscopic agent is installed to moisture absorption mechanism's inner chamber, and the silica gel lug is half semicircle form.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a pair of lithium cell group with ventilation cooling structure, when the lithium cell operation of case shell inner chamber during operation, the lithium cell produces the heat, the heat that the lithium cell produced passes through first soaking pit water conservancy diversion to the second soaking pit, and the side-mounting of second soaking pit has the semiconductor refrigeration, the semiconductor refrigeration makes the second soaking pit reach the effect of cooling through refrigeration, and the refrigerated heat of semiconductor is derived by ventilation fan through heat radiation fins, thereby the lithium cell that makes case shell inner chamber reaches radiating effect, prevent that the lithium cell from leading to the explosion because of the temperature is overheated.

2. The utility model provides a pair of lithium cell group with ventilation cooling structure, install ventilation fan at the inner chamber other end of case shell, ventilation fan operation can make the new trend blow to the inner chamber of case shell through the fan housing that expands, thereby make the temperature reduction of case shell inner chamber, and the surface of expanding the fan housing has seted up the air outlet, the guide plate is installed to the inner chamber of fan housing that expands, the wind energy that ventilation fan blew off can be blown off from the air outlet by guide plate drainage partly, thereby make ventilation fan's wind can be blown off by the diffusion, make the area that blows bigger.

3. The utility model provides a pair of lithium cell group with ventilation cooling structure, the side-mounting of fan housing has the moisture absorbent, and the moisture absorbent can adsorb the moisture of case shell inner chamber, prevents that inside moisture from influencing the lithium cell too greatly, and the pull formula can conveniently change the moisture absorbent.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the opening structure of the moisture absorption mechanism of the present invention;

fig. 3 is a schematic diagram of a top view of the internal structure of the lithium battery pack of the present invention;

fig. 4 is a schematic view of the internal structure of the fan cover of the present invention.

In the figure: 1. a lithium battery pack; 11. a cabinet housing; 111. a lithium battery; 112. a first vapor chamber; 113. a second vapor chamber; 114. refrigerating by a semiconductor; 115. heat dissipation fins; 116. a heat radiation fan; 117. a ventilation fan; 118. an air expanding cover; 1181. an air outlet; 1182. a baffle; 12. a box cover; 13. a bolt; 14. a heat dissipating component; 15. a moisture absorption mechanism; 151. a silica gel projection; 152. a vent hole; 153. a moisture absorbent.

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. 1-3, a lithium battery pack with a ventilation and heat dissipation structure, the lithium battery pack 1 includes a case 11, the case 11 includes a lithium battery 111, a first vapor chamber 112, the first vapor chamber 112 is wavy and can be better attached to the lithium battery 111, a second vapor chamber 113, a semiconductor refrigerator 114, heat dissipation fins 115, a heat dissipation fan 116, a ventilation fan 117, and a fan housing 118, the lithium battery 111 is installed in an inner cavity of the case 11, the first vapor chamber 112 is installed in the inner cavity of the case 11 and is located on an outer surface of an adjacent lithium battery 111, the second vapor chamber 113 is installed at the other end of the first vapor chamber 112, the semiconductor refrigerator 114 is connected to a side surface of the second vapor chamber 113 through heat conductive silicone grease, the other end of the semiconductor refrigerator 114 is connected to the heat dissipation fins 115 through heat conductive silicone grease, the heat dissipation fan 116 is installed at a side surface of the heat dissipation fins 115, the ventilation fan, the side of the ventilation fan 117 is provided with the air diffuser 118, when the lithium battery 111 in the inner cavity of the box shell 11 operates, the lithium battery 111 generates heat, the heat generated by the lithium battery 111 is guided to the second vapor chamber 113 through the first vapor chamber 112, the side of the second vapor chamber 113 is provided with the semiconductor refrigeration 114, the semiconductor refrigeration 114 enables the second vapor chamber 113 to achieve the effect of cooling through refrigeration, and the heat of the semiconductor refrigeration 114 is guided out by the ventilation fan 117 through the heat dissipation fins 115, so that the lithium battery 111 in the inner cavity of the box shell 11 achieves the effect of heat dissipation, the explosion of the lithium battery 111 caused by overheating of temperature is prevented, the box cover 12, the bolt 13, the heat dissipation component 14 and the moisture absorption mechanism 15, the moisture absorption mechanism 15 comprises silica gel bumps 151, the ventilation holes 152 and the moisture absorbent 153, the upper end and the lower end of the moisture absorption mechanism 15 are provided with the silica gel bumps 151, the side of the moisture, and silica gel lug 151 is half semicircle form, moisture absorbent 153 is installed to the side of fan housing 118, moisture absorbent 153 can adsorb the moisture of case shell 11 inner chamber, prevent that inside moisture from too big influence lithium cell 111, and moisture absorbent 153 can conveniently be changed to the pull formula, case lid 12 is installed to the upper end of case shell 11, the upper end four corners threaded connection of case lid 12 has bolt 13, radiator unit 14 is installed to the side of case shell 11, moisture absorption mechanism 15 is installed to the positive one side of case shell 11.

Referring to fig. 4, a lithium battery pack with a ventilation and heat dissipation structure includes an air outlet 1181 and a guide plate 1182, the air outlet 1181 is formed in the outer surface and the bottom surface of the air diffuser 118, the guide plate 1182 is installed on the side wall of the inner cavity of the air diffuser 118, the ventilation fan 117 is installed at the other end of the inner cavity of the case 11, the ventilation fan 117 operates to blow fresh air to the inner cavity of the case 11 through the air diffuser 118, so that the temperature of the inner cavity of the case 11 is reduced, the air outlet 1181 is formed in the outer surface of the air diffuser 118, the guide plate 1182 is installed in the inner cavity of the air diffuser 118, wind energy blown out by the ventilation fan 117 can be guided by the guide plate 1182 to be partially blown out from the air outlet 1181, so that the wind energy of the ventilation fan 117 can.

In summary, the following steps: the utility model provides a lithium cell group with ventilation cooling structure, when the lithium cell 111 of case shell 11 inner chamber operates, lithium cell 111 produces the heat, the heat that lithium cell 111 produced leads to second soaking board 113 through first soaking board 112, and the side-mounting of second soaking board 113 has semiconductor refrigeration 114, semiconductor refrigeration 114 makes second soaking board 113 reach the effect of cooling through refrigeration, and the heat of semiconductor refrigeration 114 is derived by ventilation fan 117 through heat radiation fins 115, thereby make lithium cell 111 of case shell 11 inner chamber reach the radiating effect, prevent that lithium cell 111 from leading to the explosion because of the temperature is overheated, ventilation fan 117 is installed to the inner chamber other end of case shell 11, ventilation fan 117 operates and can make the new trend blow to the inner chamber of case shell 11 through fan cover 118, thereby make the temperature of case shell 11 inner chamber reduce, and the surface of fan cover 118 is seted up air outlet 1181, guide plate 1182 is installed to the inner chamber of fan housing 118, the wind energy that ventilation fan 117 blew out can be blown out from air outlet 1181 by guide plate 1182 drainage partly, thereby make ventilation fan 117's wind energy enough blown out by the diffusion, make the area that wind blows bigger, fan housing 118's side-mounting has moisture absorbent 153, moisture absorbent 153 can adsorb the moisture of case shell 11 inner chamber, prevent that inside moisture from too big influence lithium cell 111, and moisture absorbent 153 can conveniently be changed to the pull formula.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a lithium cell group with ventilation cooling structure which characterized in that: lithium cell group (1) is including case shell (11), case lid (12), bolt (13), radiator unit (14) and moisture absorption mechanism (15), and case lid (12) are installed to the upper end of case shell (11), and the upper end four corners threaded connection of case lid (12) has bolt (13), and radiator unit (14) are installed to the side-mounting of case shell (11), and moisture absorption mechanism (15) are installed to the positive one side of case shell (11).

2. The lithium battery pack with the ventilation and heat dissipation structure as recited in claim 1, wherein: the box shell (11) comprises a lithium battery (111), a first vapor chamber (112), a second vapor chamber (113), a semiconductor refrigerator (114), heat dissipation fins (115), a heat dissipation fan (116), a ventilation fan (117) and a fan expansion cover (118), the lithium battery (111) is installed in the inner cavity of the box shell (11), the first vapor chamber (112) is installed in the inner cavity of the box shell (11), and be located adjacent lithium cell (111) surface, second soaking board (113) is installed to the other end of first soaking board (112), the side of second soaking board (113) is connected with semiconductor refrigeration (114) through heat conduction silicone grease, the other end of semiconductor refrigeration (114) is connected with heat radiation fins (115) through heat conduction silicone grease, radiator fan (116) are installed to the side of heat radiation fins (115), ventilation fan (117) are installed to the other end of case shell (11), the side-mounting of ventilation fan (117) has fan cover (118).

3. The lithium battery pack with the ventilation and heat dissipation structure as recited in claim 2, wherein: the first soaking plates (112) are wavy.

4. The lithium battery pack with the ventilation and heat dissipation structure as recited in claim 2, wherein: the air diffuser (118) comprises an air outlet (1181) and a guide plate (1182), the air outlet (1181) is formed in the outer surface and the bottom surface of the air diffuser (118), and the guide plate (1182) is installed on the side wall of the inner cavity of the air diffuser (118).

5. The lithium battery pack with the ventilation and heat dissipation structure as recited in claim 1, wherein: moisture absorption mechanism (15) include silica gel lug (151), ventilation hole (152) and hygroscopic agent (153), and silica gel lug (151) are installed to the upper end and the lower extreme of moisture absorption mechanism (15), and ventilation hole (152) are installed to the side of moisture absorption mechanism (15), and hygroscopic agent (153) are installed to the inner chamber of moisture absorption mechanism (15), and silica gel lug (151) are half semicircle form.