CN211045662U

CN211045662U - Cell structure of high-capacity lithium ion battery

Info

Publication number: CN211045662U
Application number: CN201921748384.XU
Authority: CN
Inventors: 温恒
Original assignee: Ganzhou Norway Technology Co ltd
Current assignee: Ganzhou Norway Technology Co ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-07-17
Anticipated expiration: 2029-10-17

Abstract

The utility model discloses a large capacity lithium ion battery's electric core structure, including casing and sealed lid, the thread groove has been seted up at shells inner wall's top, and the bottom of sealed lid runs through the thread groove and extends to inside it. The utility model discloses a set up radiator unit, radiator fan among the radiator unit is rotatory, it flows to form the air, the heat that the fin made components and parts send conducts more effectively, the heat distributes to the air on every side through the fin again and goes, coolant liquid in the water tank carries out the circulation flow simultaneously, reduce the temperature of air on every side, cool off the heat of distributing to the air on every side, the air that cooperation radiator fan formed flows, dispel the heat to electric core body fast, the heat dispersion of the electric core structure of high capacity lithium cell has been improved, can in time disperse the heat that electric core produced, avoid arousing the intensification of battery, prevent thermal continuous accumulation, lead to the battery to have risks such as explosion, bring very big facility for the user.

Description

Cell structure of high-capacity lithium ion battery

Technical Field

The utility model relates to a lithium ion battery technical field specifically is a large capacity lithium ion battery's electric core structure.

Background

The lithium ion battery comprises the following components: the battery comprises a battery core and a protection circuit board, wherein the battery core is an electric storage part in a lithium ion battery, the quality of the battery core directly determines the quality of the battery, at present, the heat dissipation performance of the battery core structure of the existing high-capacity lithium battery is poor, heat can be released by chemical reaction of positive and negative active substance electrolyte inside the lithium ion battery, more heat can be generated particularly by charging and discharging of the high-capacity lithium battery, if the generated heat cannot be dissipated in time, the temperature rise of the battery can be caused, the chemical reaction is further promoted to be reinforced, the heat is continuously accumulated, and the battery has risks such as combustion and explosion.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a large capacity lithium ion battery's electric core structure 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: the battery cell structure of the high-capacity lithium ion battery comprises a shell and a sealing cover, wherein a thread groove is formed in the top of the inner wall of the shell, the bottom of the sealing cover penetrates through the thread groove and extends into the sealing cover, the outer surface of the sealing cover is in threaded connection with the thread groove, a heat dissipation assembly is installed at the bottom of the inner wall of the shell, a battery cell body is installed inside the heat dissipation assembly, ventilation grooves are formed in the tops of the left side and the right side of the inner wall of the shell, and a filter screen is installed on the inner wall of each ventilation;

the heat dissipation assembly comprises a box body, the box body is arranged at the bottom of the shell, a heat dissipation fan is arranged at the bottom of the shell and positioned inside the box body, a fixed seat is arranged at the top of the shell corresponding to the position of the heat dissipation fan, the top of the heat dissipation fan penetrates through the shell and extends into the fixed seat, a heat dissipation sheet is arranged inside the fixed seat and positioned above the heat dissipation fan, a fixed block is arranged on the surface of the heat dissipation sheet, a fixed sleeve is arranged at the bottom of the fixed block, the surface of the fixed block is movably connected with the fixed sleeve, one side of the fixed sleeve, away from the heat dissipation sheet, is fixedly connected with the inner wall of the fixed seat, a water tank is arranged at the top of the fixed seat, a water inlet pipe communicated with the water tank is arranged at the bottom of the right, the bottom of fixed plate and fin contact each other, the vent has been seted up at the top of fixed plate, the top at the fixed plate is installed to the electricity core body, the surface mounting of electricity core body has the stopper, the stop collar is installed at the top of water tank, the surface and the stop collar swing joint of stopper.

Preferably, the top of the sealing cover is provided with a knob, and the surface of the knob is provided with anti-skid grains.

Preferably, the thermovent has all been seted up to the left and right sides of box body, the dust screen is installed to the position that the thermovent was corresponded to in the left and right sides of box body.

Preferably, the left side and the right side of the bottom of the fixing plate are both fixedly connected with supporting blocks, and one side, far away from the fixing plate, of each supporting block is fixedly connected with the water tank.

Preferably, the four corners of the top of the fixing plate are fixedly connected with support sleeves, the support sleeves are movably connected with support columns, and the tops of the support columns are fixedly connected with the cell body.

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

1. the utility model discloses a set up radiator unit, radiator fan among the radiator unit is rotatory, it flows to form the air, the heat that the fin made components and parts send conducts more effectively, the heat distributes to the air on every side through the fin again and goes, coolant liquid in the water tank carries out the circulation flow simultaneously, reduce the temperature of air on every side, cool off the heat of distributing to the air on every side, the air that cooperation radiator fan formed flows, dispel the heat to electric core body fast, the heat dispersion of the electric core structure of high capacity lithium cell has been improved, can in time disperse the heat that electric core produced, avoid arousing the intensification of battery, prevent thermal continuous accumulation, lead to the battery to have risks such as explosion, bring very big facility for the user.

2. The utility model discloses a set up the knob and played the effect of being convenient for to rotate sealed lid, mutually support through thermovent and dust screen, played the motor to among the radiator fan and carried out radiating effect, played the effect of stabilizing the support to the fixed plate through setting up the supporting shoe, mutually supported through supporting cover and support column, played and carried out spacing effect to electric core body, avoided electric core body to appear removing, lead to the device to break down.

Drawings

FIG. 1 is a sectional view of the front view of the present invention;

FIG. 2 is an enlarged view of a portion of A-A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of a portion of B-B of FIG. 1 according to the present invention;

fig. 4 is a schematic structural diagram of a top view of the water tank of the present invention.

In the figure: the heat dissipation device comprises a shell 1, a sealing cover 2, a heat dissipation assembly 3, a box 31, a heat dissipation fan 32, a fixing seat 33, a heat dissipation fin 34, a fixing block 35, a fixing sleeve 36, a water tank 37, a water inlet pipe 38, a water outlet pipe 39, a fixing plate 310, a limiting block 311, a limiting sleeve 312, a battery cell body 4, a ventilation groove 5, a filter screen 6, a knob 7, a heat dissipation opening 8, a dust screen 9, a supporting block 10, a supporting sleeve 11 and a supporting column 12.

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.

Please refer to fig. 1-4, an electric core structure of a large capacity lithium ion battery, including a casing 1 and a sealing cover 2, a thread groove is provided at the top of the inner wall of the casing 1, the bottom of the sealing cover 2 runs through the thread groove and extends to the inside thereof, the outer surface of the sealing cover 2 is in threaded connection with the thread groove, a knob 7 is installed at the top of the sealing cover 2, the surface of the knob 7 is provided with anti-skid patterns, the effect of facilitating the rotation of the sealing cover 2 is achieved by setting the knob 7, a heat dissipation assembly 3 is installed at the bottom of the inner wall of the casing 1, an electric core body 4 is installed inside the heat dissipation assembly 3, ventilation slots 5 are provided at the tops of the left and right sides of the.

The heat dissipation assembly 3 comprises a box body 31, the box body 31 is arranged at the bottom of the shell 1, a heat dissipation fan 32 is arranged at the bottom of the shell 1 and positioned inside the box body 31, heat dissipation ports 8 are respectively arranged at the left side and the right side of the box body 31, dust screens 9 are arranged at the left side and the right side of the box body 31 corresponding to the positions of the heat dissipation ports 8, the heat dissipation function of dissipating heat of a motor in the heat dissipation fan 32 is realized through the mutual matching of the heat dissipation ports 8 and the dust screens 9, a fixed seat 33 is arranged at the top of the shell 1 corresponding to the position of the heat dissipation fan 32, the top of the heat dissipation fan 32 penetrates through the shell 1 and extends into the fixed seat 33, a heat dissipation fin 34 is arranged inside the fixed seat 33 and positioned above the heat dissipation fan 32, a fixed block 35 is arranged on the surface of the heat dissipation fin 34, a fixed sleeve 36 is arranged at, the top of the fixed seat 33 is provided with a water tank 37, the bottom of the right side of the water tank 37 is provided with a water inlet pipe 38 communicated with the water tank 37, the top of the left side of the water tank 37 is provided with a water outlet pipe 39 communicated with the water tank 37, the inner wall of the water tank 37 is provided with a fixed plate 310 above the radiating fin 34, the bottom of the fixed plate 310 is contacted with the radiating fin 34, the left side and the right side of the bottom of the fixed plate 310 are both fixedly connected with supporting blocks 10, one side of the supporting block 10 far away from the fixed plate 310 is fixedly connected with the water tank 37, the fixed plate 310 is stably supported by arranging the supporting blocks 10, the top of the fixed plate 310 is provided with a ventilation opening, the cell body 4 is arranged at the top of the fixed plate 310, the four corners of the top of the, through supporting sleeve 11 and support column 12 mutually supporting, played and carried out spacing effect to electric core body 4, avoided electric core body 4 to appear removing, lead to the device to break down, electric core body 4's surface mounting has stopper 311, and stop collar 312 is installed at the top of water tank 37, stopper 311's surface and stop collar 312 swing joint.

The working principle is as follows: when the cooling device is used, the sealing cover 2 is opened by rotating the knob 7, then the bottom of the electric core body 4 is inserted into the supporting sleeve 11 through the supporting column 12, the limiting block 311 on the surface of the electric core body 4 enters the limiting sleeve 312 on the water tank 37, the water inlet pipe 38 and the water outlet pipe 39 are communicated into the cooling shell for storing cooling liquid, the cooling liquid is introduced into the water tank 37 through the water inlet pipe 38 by an external water pump, the cooling liquid in the water tank 37 is gradually filled, then the cooling liquid flows back into the cooling shell through the water outlet pipe 39, the cooling fan 32 in the cooling assembly 3 rotates to form air flow, the heat emitted by the components is more effectively conducted by the cooling fins 34, the heat is further radiated into the ambient air through the cooling fins 34, meanwhile, the cooling liquid in the water tank 37 circularly flows to reduce the temperature of the ambient air, the heat radiated into the ambient air is cooled, and the air flow, dispel the heat to electric core body 4 fast, improved the heat dispersion of the electric core structure of large capacity lithium cell, can in time dispel the heat that electric core body 4 produced, avoid arousing the intensification of battery, prevent thermal continuation accumulation, lead to the battery to have risks such as burning explosion, bring very big facility for the user.

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 large capacity lithium ion battery's electric core structure, includes casing (1) and sealed lid (2), its characterized in that: the battery is characterized in that a thread groove is formed in the top of the inner wall of the shell (1), the bottom of the sealing cover (2) penetrates through the thread groove and extends into the sealing cover, the outer surface of the sealing cover (2) is in threaded connection with the thread groove, a heat dissipation assembly (3) is installed at the bottom of the inner wall of the shell (1), a battery cell body (4) is installed inside the heat dissipation assembly (3), ventilation grooves (5) are formed in the tops of the left side and the right side of the inner wall of the shell (1), and a filter screen (6) is installed on the inner wall of each ventilation groove (5);

radiating component (3) includes box body (31), the bottom at casing (1) is installed in box body (31), the internally mounted that the bottom of casing (1) just is located box body (31) has radiator fan (32), fixing base (33) are installed to the position that the top of casing (1) corresponds radiator fan (32), the inside of casing (1) and extension to fixing base (33) is run through at the top of radiator fan (32), the inside of fixing base (33) just is located the top of radiator fan (32) and is provided with fin (34), the surface mounting of fin (34) has fixed block (35), the bottom of fixed block (35) is provided with fixed cover (36), the surface and fixed cover (36) swing joint of fixed block (35), the inner wall fixed connection of one side and fixing base (33) of fin (34) is kept away from to fixed cover (36), water tank (37) are installed at the top of fixing base (33), inlet tube (38) rather than intercommunication are installed to the bottom on water tank (37) right side, outlet pipe (39) rather than intercommunication are installed at the left top of water tank (37), fixed plate (310) are installed to the top that just is located fin (34) on the inner wall of water tank (37), the bottom and fin (34) of fixed plate (310) contact each other, the vent has been seted up at the top of fixed plate (310), the top at fixed plate (310) is installed in electric core body (4), the surface mounting of electric core body (4) has stopper (311), stop collar (312) are installed at the top of water tank (37), the surface and stop collar (312) swing joint of stopper (311).

2. The cell structure of a high-capacity lithium ion battery of claim 1, wherein: the top of the sealing cover (2) is provided with a knob (7), and the surface of the knob (7) is provided with anti-skid grains.

3. The cell structure of a high-capacity lithium ion battery of claim 1, wherein: thermovent (8) have all been seted up to the left and right sides of box body (31), dust screen (9) are installed to the position that the thermovent (8) were corresponded to the left and right sides of box body (31).

4. The cell structure of a high-capacity lithium ion battery of claim 1, wherein: the left side and the right side of the bottom of the fixing plate (310) are fixedly connected with supporting blocks (10), and one side, far away from the fixing plate (310), of each supporting block (10) is fixedly connected with the water tank (37).

5. The cell structure of a high-capacity lithium ion battery of claim 1, wherein: the equal fixedly connected with in four corners department at fixed plate (310) top supports cover (11), the inside swing joint that supports cover (11) has support column (12), the top and electric core body (4) fixed connection of support column (12).