CN216720245U

CN216720245U - Long-life high-rate lithium ion battery

Info

Publication number: CN216720245U
Application number: CN202123420494.3U
Authority: CN
Inventors: 郭红波; 刘建芳
Original assignee: Shenzhen Jinghongtai Technology Co ltd
Current assignee: Shenzhen Jinghongtai Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-10
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to the technical field of lithium ion batteries, and discloses a long-life high-rate lithium ion battery which comprises an outer box, an electric core group and two electrode connectors, wherein the outer surface of each electrode connector is clamped with the inside of the outer box, two groups of air vents are formed in the front surface of the outer box and the back surface of the outer box, heat-conducting gel sheets are arranged on the upper surface of the electric core group and the bottom surface of the electric core group, the bottom surface of one of the two heat-conducting gel sheets is contacted with the inner bottom wall of the outer box, a controller, an analog-to-digital converter and a relay are respectively arranged on the inner side wall of the outer box, and the electric core group is electrically connected with the analog-to-digital converter through a lead; the utility model can play a role of converting voltage signals in the electric core group into digital signals by arranging the analog-to-digital converter, so that the controller can obtain the electric capacity in the electric core group, and can play a role of controlling according to the digital voltage of the analog-to-digital converter by the controller, thereby realizing the purpose of switching on and off the relay when the power consumption reaches a protection value.

Description

Long-life high-rate lithium ion battery

Technical Field

The utility model relates to the technical field of lithium ion batteries, in particular to a long-life high-rate lithium ion battery.

Background

Lithium ion batteries are secondary batteries, which mainly rely on lithium ions moving between a positive electrode and a negative electrode to work, lithium + is inserted and extracted back and forth between the two electrodes in the charging and discharging processes, lithium + is extracted from the positive electrode and inserted into the negative electrode through an electrolyte during charging, the negative electrode is in a lithium-rich state, the lithium-based batteries are opposite during discharging, the lithium-based batteries are divided into lithium batteries and lithium ion batteries, the batteries generally adopt materials containing lithium elements as the electrodes, and are representative of modern high-performance batteries, while the real lithium batteries are rarely applied to daily electronic products due to high danger.

When the existing lithium ion battery is used, the electricity stored in the lithium ion battery is exhausted, the service life of the lithium ion battery is shortened when the electricity of the lithium ion battery is used up, and the scrapping of the lithium ion battery can be accelerated when the maximum electricity consumption of the lithium ion battery cannot be limited.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the lithium ion battery with long service life and high multiplying power, which has the advantage of protecting the maximum power consumption of the lithium ion battery so as to prolong the service life.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a long-life high magnification lithium ion battery, includes outer container, electric core group and two electrode joint, every electrode joint's surface all with the inside looks joint of outer container, two sets of bleeder vents have all been seted up at the front of outer container and the back of outer container, heat conduction gel piece, two are all installed to the upper surface of electric core group and the bottom surface of electric core group the bottom surface of heat conduction gel piece one of them contacts with the inner bottom wall of outer container, controller, analog to digital converter and relay are installed respectively to the inside wall of outer container, the electric core group is connected through wire and analog to digital converter electricity, the controller passes through the wire and is connected with analog to digital converter and relay electricity respectively, every electrode joint all is connected through wire and relay electricity.

Preferably, a plurality of same screw holes are formed in the upper surface of the outer box, and a box cover is placed on the upper surface of the outer box.

Preferably, the inner wall of each screw hole is in threaded connection with a screw, and the outer surface of each screw is in threaded connection with the inner wall of the box cover.

Preferably, the upper surface of the box cover is provided with two movable assemblies, and the outer surface of each movable assembly is movably connected with a lifting handle.

Preferably, two groups of epoxy plates are mounted on the outer surface of the electric core group, and one side surface, close to each other, of each group of epoxy plates is in contact with the outer surface of one of the two heat-conducting gel sheets.

Preferably, two fiber adhesive tapes are mounted on the outer surfaces of the two groups of epoxy plates together, and the outer surface of each fiber adhesive tape is in contact with the inner wall of the outer box.

Preferably, the outer sides of the two fiber adhesive tapes are jointly provided with a partition plate, and the outer surface of the partition plate is clamped with the inner part of the outer box.

Preferably, a protection plate is installed on the right side surface of the separation plate, and the protection plate is electrically connected with the electric core group through a conducting wire.

(III) advantageous effects

Compared with the prior art, the utility model provides the lithium ion battery with long service life and high multiplying power, which has the following beneficial effects:

1. this long-life high magnification lithium ion battery through being provided with adc, can play the effect that converts the voltage signal in the electric core group to digital signal for the controller can gain electric capacity in the electric core group, and then makes things convenient for the limit of most power consumption to control, through the controller, can play the effect of controlling according to adc's digital voltage, carries out the purpose of break-make relay when realizing the power consumption and reaching the guard value.

2. This long-life high magnification lithium ion battery, through being provided with the relay, can play the effect of carrying out disconnection electrode joint and electric core group according to the controller order, thereby realize stopping the purpose that the electricity limit protection was carried out in the electricity of electric core group, avoid the problem that the electricity exhausts and lead to life-span decline in the electric core group, cooperate through bleeder vent and heat conduction gel piece, can play the effect that gives off to the heat that the electric core group produced, realize the purpose that keeps the work efficiency of electric core group, avoid the heat to gather the problem that leads to electric core group transmission of power to descend.

Drawings

FIG. 1 is a schematic three-dimensional structure of a case cover according to the present invention;

FIG. 2 is a schematic three-dimensional structure of a thermally conductive gel sheet according to the present invention;

FIG. 3 is a three-dimensional structure of the electric core assembly of the present invention;

fig. 4 is a schematic perspective structure view of the outer case of the present invention.

In the figure: 1. an outer box; 2. air holes are formed; 3. a movable component; 4. a handle; 5. a screw; 6. a box cover; 7. a partition plate; 8. a thermally conductive gel sheet; 9. the electric core group; 10. an epoxy board; 11. a protection plate; 12. an electrode tab; 13. a relay; 14. a fiber tape; 15. a screw hole; 16. a controller; 17. an analog-to-digital converter.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, a long-life high-rate lithium ion battery of the present invention is described in further detail below with reference to the accompanying drawings.

Referring to fig. 1-4, the present invention: the utility model provides a long-life high magnification lithium ion battery, includes outer container 1, electric core group 9 and two electrode joint 12, utilizes outer container 1 to constitute lithium ion battery's shell, assembles parts such as electric core group 9, and electrode joint 12 connects the external equipment and connects, can supply power through electrode joint 12, utilizes electric core group 9, and the storage electric quantity is lithium ion battery group.

Every electrode joint 12's surface all with the inside looks joint of outer container 1, the same screw 15 of a plurality of has been seted up to the upper surface of outer container 1, and case lid 6 has been placed to the upper surface of outer container 1, and two sets of bleeder vents 2 have all been seted up to the front of outer container 1 and the back of outer container 1, and bleeder vent 2 can discharge the heat in the case lid 6, and the reduction heat is piled up.

Equal threaded connection of inner wall of every screw 15 has screw 5, utilize screw 15 and screw 5, fix case lid 6, make the stable closure of case lid 6 on outer container 1, the surface of every screw 5 all with the inner wall threaded connection of case lid 6, heat conduction gel piece 8 is all installed to the upper surface of electric core group 9 and the bottom surface of electric core group 9, utilize heat conduction gel piece 8, dispel the heat to electric core group 9, the heat that electric core group 9 produced is big, the heat is also very big to electric core group 9's influence.

The upper surface mounting of case lid 6 has two movable assembly 3, and the equal swing joint of surface of every movable assembly 3 has handle 4, cooperatees through movable assembly 3 and handle 4, can lift outer container 1 and case lid 6, conveniently carries, and the bottom surface of one of them of two heat conduction gel pieces 8 contacts with the inner bottom wall of outer container 1.

The surface mounting of electric core group 9 has two sets of epoxy boards 10, through epoxy board 10, plays the effect of insulating and protection electric core group 9, prevents that electric core group 9 electricity from leaking, and the side that every group epoxy board 10 is close to each other all contacts with the surface of one of them of two heat conduction gel pieces 8.

Controller 16, adc 17 and relay 13 are installed respectively to the inside wall of outer container 1, and controller 16, adc 17 and relay 13 cooperation can carry out automatic protection to the biggest power consumption in the electric core group 9, prevent that the electric core group 9 electric quantity from using up the condition that leads to the life-span to shorten, and electric core group 9 passes through the wire and is connected with adc 17 electricity.

Two fiber adhesive tapes 14 are installed on the outer surfaces of the two groups of epoxy boards 10 together, the fiber adhesive tapes 14 fix the epoxy boards 10 to prevent the epoxy boards 10 from loosening, the outer surface of each fiber adhesive tape 14 is in contact with the inner wall of the outer box 1, and the controller 16 is electrically connected with the analog-to-digital converter 17 and the relay 13 through wires respectively.

Division board 7 has been placed jointly in two fibre sticky tapes 14's the outside, utilizes division board 7 to part electric core group 9, and division board 7's surface and the inside looks joint of outer container 1, every electrode joint 12 all is connected with relay 13 electricity through the wire, and protection shield 11 is installed to division board 7's right flank, and protection shield 11's effect is that protection electric core group 9 does not overflow, exports the short-circuit guarantor, and protection shield 11 passes through the wire and is connected with electric core group 9 electricity.

The working principle of the utility model is as follows: firstly, when assembling the lithium ion battery, the periphery of the electric core group 9 is provided with the epoxy plate 10, and then the epoxy plate 10 is reinforced by the fiber adhesive tape 14, so as to prevent the epoxy plate 10 from being too loose, the heat conducting gel sheet 8 is arranged on the electric core group 9, the heat generated by the electric core group 9 during working is very large, the heat conduction is not carried out on the electric core group 9, the working efficiency of the electric core group 9 is reduced due to high temperature, the electric core group 9 is damaged, the heat guided by the heat conducting gel sheet 8 is discharged out of the outer box 1 through the air holes 2, then the electric core group 9 is put into the outer box 1, the box cover 6 is covered, and then the screw 5 is used for reinforcement, when carrying the battery, the lifting handle 4 can be used for carrying, when the lithium ion battery needs to be excessively protected, the service life of the lithium ion battery can be shortened due to the electricity exhaustion of the electric core group 9, the analog-to-analog converter 17 is used for monitoring the voltage in the electric core group 9, and converting the analog signal of the voltage into the digital signal of the voltage, make things convenient for controller 16 to handle, when electric core group 9 internal voltage reduced a definite value, controller 16 control relay 13 action for relay 13 disconnection electric core group 9 and electrode adapter 12, and then make electric core group 9 no longer supply power to electrode adapter 12, when electric core group 9 dashes upward, relay 13 switch on electric core group 9 and electrode adapter 12 again, thereby protection lithium ion battery's life.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a long-life high magnification lithium ion battery, includes outer container (1), electric core group (9) and two electrode joint (12), its characterized in that: every the surface of electrode joint (12) all with the internal phase joint of outer container (1), two sets of bleeder vents (2) have all been seted up to the front of outer container (1) and the back of outer container (1), heat conduction gel piece (8), two are all installed to the upper surface of electricity core group (9) and the bottom surface of electricity core group (9) heat conduction gel piece (8) one of them bottom surface and the interior diapire of outer container (1) contact, controller (16), analog-to-digital converter (17) and relay (13) are installed respectively to the inside wall of outer container (1), electricity core group (9) are connected through the wire and analog-to-digital converter (17) electricity, controller (16) are connected through the wire and analog-to-digital converter (17) and relay (13) electricity respectively, every electrode joint (12) all are connected through wire and relay (13) electricity.

2. The long-life high-rate lithium ion battery of claim 1, wherein: a plurality of same screw holes (15) are formed in the upper surface of the outer box (1), and a box cover (6) is placed on the upper surface of the outer box (1).

3. The long-life high-rate lithium ion battery of claim 2, wherein: the inner wall of each screw hole (15) is in threaded connection with a screw (5), and the outer surface of each screw (5) is in threaded connection with the inner wall of the box cover (6).

4. The long-life high-rate lithium ion battery of claim 2, wherein: the upper surface mounting of case lid (6) has two movable assembly (3), every the equal swing joint of surface of movable assembly (3) has handle (4).

5. The long-life high-rate lithium ion battery of claim 1, wherein: the outer surface of the electric core group (9) is provided with two groups of epoxy plates (10), and one side surface, close to each other, of each group of epoxy plates (10) is in contact with the outer surface of one of the two heat-conducting gel sheets (8).

6. The long-life high-rate lithium ion battery of claim 5, wherein: two fiber adhesive tapes (14) are installed on the outer surfaces of the two groups of epoxy plates (10) together, and the outer surface of each fiber adhesive tape (14) is in contact with the inner wall of the outer box (1).

7. The long-life high-rate lithium ion battery of claim 6, wherein: the outer sides of the two fiber adhesive tapes (14) are jointly provided with a partition plate (7), and the outer surface of the partition plate (7) is clamped with the inner part of the outer box (1).

8. The long-life high-rate lithium ion battery of claim 7, wherein: a protection plate (11) is installed on the right side face of the separation plate (7), and the protection plate (11) is electrically connected with the electric core group (9) through a conducting wire.