CN219350361U

CN219350361U - Lithium battery with charging protection structure

Info

Publication number: CN219350361U
Application number: CN202223388801.9U
Authority: CN
Inventors: 黄潜华
Original assignee: Guangdong Hishida Technology Co ltd
Current assignee: Guangdong Hishida Technology Co ltd
Priority date: 2022-12-17
Filing date: 2022-12-17
Publication date: 2023-07-14
Anticipated expiration: 2032-12-17

Abstract

The utility model discloses a lithium battery with a charging protection structure, which comprises a protection shell, wherein the top of the protection shell is movably connected with a sealing cover through a bolt, the inside of the protection shell is fixedly connected with a lithium battery body, the front of the protection shell is provided with a charging port communicated with the lithium battery body, the bottom of the protection shell is fixedly connected with a cooling unit, the cooling unit comprises a frame body fixedly connected with the bottom of the protection shell, and the inside of the frame body is fixedly connected with a condensing box. According to the lithium battery body cooling device, the cooling unit is arranged, the semiconductor refrigerating sheet can be used for cooling the cooling liquid, the radiator is used for absorbing the low temperature of the cooling liquid and dispersing the low temperature of the cooling liquid into the frame body, and then the fan is used for enabling the dispersed cooling energy to enter the protective shell through the air inlet so as to cool the lithium battery body, so that the charging efficiency of the lithium battery body is not affected, and safety accidents caused by the lithium battery body during charging are avoided.

Description

Lithium battery with charging protection structure

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a lithium battery with a charging protection structure.

Background

Lithium batteries are batteries using a nonaqueous electrolyte solution and using lithium metal or lithium alloy as a positive electrode material or a negative electrode material, and the lithium metal is very active in chemical characteristics, so that the lithium metal is processed, stored and used, and the requirements on the environment are very high, and the lithium batteries can be roughly divided into two types: the lithium metal battery and the lithium ion battery are rechargeable, and the lithium ion battery does not contain lithium in a metal state, and is superior to the lithium ion battery in safety, specific capacity, self-discharge rate and cost performance.

The utility model provides a lithium battery with protection architecture charges that can produce a large amount of heat in lithium battery charging process, as disclosed in chinese patent CN217507462U, includes the protective housing, inside one side fixedly mounted of protective housing has the fixture block, fixture block one end fixedly mounted has the spring, spring other end fixedly mounted has the cardboard, the opposite side fixedly connected with filler strip of cardboard, laminating is connected with lithium battery body between the filler strip, the heat dissipation window has been seted up on the protective housing surface, be provided with the hinge of opening in the heat dissipation window, the page or closing is constituteed by a plurality of blades, blade one end is connected with the heat dissipation window lateral wall rotation, and one end is fixed with the connecting axle, be fixed with the motor in the protective housing, the motor output is connected with the worm, the worm meshing has the worm wheel, worm wheel middle part one end with connecting axle fixed connection. The opening and closing page can be opened when the temperature is higher in the charging process of the lithium battery, so that the heat dissipation effect of the lithium battery is improved, the temperature of the lithium battery body is prevented from being too high during charging, and the charging efficiency and the charging safety are prevented from being influenced.

It is known from the above patent that a great amount of heat is generated in the charging process of the lithium battery, if the heat is not timely eliminated, the charging efficiency and the charging safety of the lithium battery may be affected, and the above patent only uses the devices such as the blade and the turbine to radiate the heat of the lithium battery, so that the efficiency of the radiating manner is low, and therefore, the existing lithium battery with the charging protection structure needs to be designed and modified.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide a lithium battery with a charging protection structure, which has the advantage of rapidly cooling the charging heat of the lithium battery, and solves the problem that the charging efficiency and the charging safety of the lithium battery are affected due to overhigh heat during charging of the lithium battery.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a lithium battery with protection architecture charges, includes the protective housing, there is sealed lid at the top of protective housing through bolt swing joint, the inside fixedly connected with lithium battery body of protective housing, the positive of protective housing has seted up the mouth that charges with lithium battery body intercommunication, the bottom fixedly connected with cooling unit of protective housing;

the cooling unit includes the framework of fixed connection in protective housing bottom, the inside fixedly connected with cooling tank of framework, the inside packing of cooling tank has the coolant liquid, the left and right sides wall fixedly connected with semiconductor refrigeration piece of cooling tank, the cold junction of semiconductor refrigeration piece extends to the inside of cooling tank and laminates with the coolant liquid, the roof fixedly connected with radiator of cooling tank, the bottom of radiator extends to the inside of cooling tank and laminates with the coolant liquid, the inside fixedly connected with of framework is located the fan of radiator top, the export of fan extends to the diapire of protective housing, the air intake has all been seted up to the left and right sides wall and the diapire of protective housing, the air outlet has been seted up to the front and back both sides wall of protective housing.

As the preferable mode of the utility model, the two side walls of the frame body are fixedly connected with the heat dissipation fans, and the exhaust openings of the heat dissipation fans are positioned at the hot ends of the semiconductor refrigerating sheets.

As preferable in the utility model, a dust screen is arranged in the air outlet of the heat radiation fan.

In the present utility model, preferably, a water change valve is fixedly connected to the front surface of the frame, and the water change valve is communicated with the condensation tank.

Preferably, the front face of the protective shell is embedded with a temperature sensor positioned above the charging port.

Preferably, the back of the frame body is provided with a through hole, and the inside of the through hole is movably connected with a connecting door.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the lithium battery body cooling device, the cooling unit is arranged, the semiconductor refrigerating sheet can be used for cooling the cooling liquid, the radiator is used for absorbing the low temperature of the cooling liquid and dispersing the low temperature of the cooling liquid into the frame body, and then the fan is used for enabling the dispersed cooling energy to enter the protective shell through the air inlet so as to cool the lithium battery body, so that the charging efficiency of the lithium battery body is not affected, and safety accidents caused by the lithium battery body during charging are avoided.

2. According to the utility model, the heat generated by the semiconductor refrigerating sheet during working can be taken away by arranging the heat dissipation fan, so that the refrigerating efficiency of the semiconductor refrigerating sheet is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the structure of the present utility model;

fig. 3 is a schematic rear view of the protective case and the frame of the present utility model.

In the figure: 1. a protective shell; 2. sealing cover; 3. a lithium battery body; 4. a charging port; 5. a cooling unit; 51. a frame; 52. a condensing box; 53. a cooling liquid; 54. a semiconductor refrigeration sheet; 55. a heat sink; 56. a blower; 57. an air inlet; 58. an air outlet; 6. a heat radiation fan; 7. a dust screen; 8. a water exchange valve; 9. a temperature sensor; 10. and connecting the doors.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, a lithium battery with a charging protection structure comprises a protection shell 1, wherein the top of the protection shell 1 is movably connected with a sealing cover 2 through a bolt, the inside of the protection shell 1 is fixedly connected with a lithium battery body 3, the front of the protection shell 1 is provided with a charging port 4 communicated with the lithium battery body 3, and the bottom of the protection shell 1 is fixedly connected with a cooling unit 5;

the cooling unit 5 comprises a frame body 51 fixedly connected with the bottom of the protective shell 1, a condensing box 52 is fixedly connected to the inside of the frame body 51, cooling liquid 53 is filled in the condensing box 52, semiconductor refrigerating sheets 54 are fixedly connected to the left side wall and the right side wall of the condensing box 52, the cold ends of the semiconductor refrigerating sheets 54 extend to the inside of the condensing box 52 and are attached to the cooling liquid 53, a radiator 55 is fixedly connected to the top wall of the condensing box 52, the bottom end of the radiator 55 extends to the inside of the condensing box 52 and is attached to the cooling liquid 53, a fan 56 positioned above the radiator 55 is fixedly connected to the inside of the frame body 51, an outlet of the fan 56 extends to the bottom wall of the protective shell 1, air inlets 57 are formed in the left side wall and the right side wall of the protective shell 1, and air outlets 58 are formed in the front side wall and the rear side wall of the protective shell 1.

Referring to fig. 2, the two side walls of the frame 51 are fixedly connected with a heat dissipation fan 6, and an air suction port of the heat dissipation fan 6 is positioned at the hot end of the semiconductor refrigeration sheet 54.

By arranging the heat radiation fan 6, the heat generated by the semiconductor refrigerating sheet 54 during operation can be taken away, and the refrigerating efficiency of the semiconductor refrigerating sheet 54 is improved.

Referring to fig. 2, a dust screen 7 is provided inside the air outlet of the heat radiation fan 6.

As a technical optimization scheme of the utility model, by arranging the dustproof net 7, after the cooling unit 5 stops working, dust is prevented from entering the interior of the condensing box 52, and the cleanliness of the condensing box 52 is ensured.

Referring to fig. 1, a water change valve 8 is fixedly connected to the front surface of a frame 51, and the water change valve 8 is communicated with a condensation box 52.

As a technical optimization scheme of the utility model, by arranging the replacement water valve 8, the condensing box 52 has the advantage of conveniently replacing the cooling liquid 53, and is convenient for a user to use.

Referring to fig. 1, the front surface of the protective case 1 is inlaid with a temperature sensor 9 located above the charging port 4.

As a technical optimization scheme of the utility model, a user can observe the temperature inside the protective shell 1 in real time through a display screen or a mobile phone by arranging the temperature sensor 9, so that the influence of the too low or high temperature on the service life of the lithium battery body 3 is avoided, the model of the temperature sensor is GSP-8G, and the temperature sensor has cloud alarm short message and local alarm functions.

Referring to fig. 3, a through hole is formed in the rear surface of the frame 51, and a connection door 10 is movably connected to the inside of the through hole.

As a technical optimization scheme of the utility model, the cooling unit 5 is maintained by a user in the later period through the arrangement of the connecting door 10.

The working principle and the using flow of the utility model are as follows: during daily use, a user firstly charges the lithium battery body 3 through the charging port 4, then the fan 56 is started when the lithium battery body 3 is charged, then the cooling liquid 53 is cooled by the semiconductor refrigerating sheet 54, so that the cooling liquid 53 is always in a low-temperature state, then the low temperature of the cooling liquid 53 is condensed Kong Xishou through the bottom end of the radiator 55 and is sent into the frame body 51, and meanwhile, the cooling energy is transmitted into the protective shell 1 through the air inlet 57 by the fan 56 so as to cool the lithium battery body 3;

wherein, inside the protective housing 1 was opened through sealed lid 2 to the user, looked over the service condition of lithium cell body 3.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Lithium battery with protection architecture charges, including protective housing (1), its characterized in that: the top of the protective housing (1) is movably connected with a sealing cover (2) through a bolt, the inside of the protective housing (1) is fixedly connected with a lithium battery body (3), the front of the protective housing (1) is provided with a charging port (4) communicated with the lithium battery body (3), and the bottom of the protective housing (1) is fixedly connected with a cooling unit (5);

the cooling unit (5) comprises a frame body (51) fixedly connected with the bottom of the protective housing (1), a condensing box (52) is fixedly connected to the inside of the frame body (51), cooling liquid (53) is filled in the condensing box (52), semiconductor refrigerating sheets (54) are fixedly connected to the left side wall and the right side wall of the condensing box (52), the cold ends of the semiconductor refrigerating sheets (54) extend to the inside of the condensing box (52) and are attached to the cooling liquid (53), a radiator (55) is fixedly connected to the top wall of the condensing box (52), the bottom end of the radiator (55) extends to the inside of the condensing box (52) and is attached to the cooling liquid (53), a fan (56) located above the radiator (55) is fixedly connected to the inside of the frame body (51), an outlet of the fan (56) extends to the bottom wall of the protective housing (1), air inlets (57) are formed in the left side wall and the bottom wall of the protective housing (1), and air outlets (58) are formed in the front side wall and the rear side wall of the protective housing (1).

2. The lithium battery with a charge protection structure according to claim 1, wherein: the two side walls of the frame body (51) are fixedly connected with a heat radiation fan (6), and an exhaust port of the heat radiation fan (6) is positioned at the hot end of the semiconductor refrigerating sheet (54).

3. The lithium battery with a charge protection structure according to claim 2, wherein: and a dustproof net (7) is arranged in the outlet of the heat radiation fan (6).

4. The lithium battery with a charge protection structure according to claim 1, wherein: the front of the frame body (51) is fixedly connected with a water changing valve (8), and the water changing valve (8) is communicated with the condensing box (52).

5. The lithium battery with a charge protection structure according to claim 1, wherein: the front of the protective shell (1) is embedded with a temperature sensor (9) positioned above the charging port (4).

6. The lithium battery with a charge protection structure according to claim 1, wherein: the back of the frame body (51) is provided with a through hole, and the inside of the through hole is movably connected with a connecting door (10).