CN216144927U

CN216144927U - Lithium battery electric quantity early warning device

Info

Publication number: CN216144927U
Application number: CN202121499948.8U
Authority: CN
Inventors: 邓瑞扬
Original assignee: Shenzhen Ruien Weisi New Energy Technology Co ltd
Current assignee: Shenzhen Ruien Weisi New Energy Technology Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2022-03-29
Anticipated expiration: 2031-07-02

Abstract

The utility model discloses a lithium battery electric quantity early warning device, which comprises a shell, wherein a main control board and a buzzer are arranged in the shell, an electric quantity detection chip is welded on the surface of the main control board, a display screen is arranged on the right side of the upper surface of the shell, a storage box is arranged on the surface of a sliding block, two groups of upright posts are arranged in the storage box, winding wheels are rotatably connected on the surfaces of the two groups of upright posts, a clockwork spring is arranged between the inner part of each winding wheel and the upright post, a lead is arranged on the surface of each winding wheel, a baffle is arranged in the storage box, two groups of round holes are arranged on the surface of the baffle, one end of each lead passes through the round holes and then is connected with an electrode, the storage box can be driven to slide out of the telescopic holes through a pull ring, the electric quantity detection chip detects the electric quantity of a lithium battery and displays the electric quantity of the lithium battery through the display screen, if the electric quantity of the lithium battery is lower than 30%, the buzzer sounds, the storage box is contracted into the shell, so that the occupied space can be reduced, the user can carry the device conveniently.

Description

Lithium battery electric quantity early warning device

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a lithium battery electric quantity early warning device.

Background

A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. The lithium cell is extensive in the life, to some special band rechargeable battery equipment, can't look over the electric quantity of lithium cell usually when using the lithium cell, the excessive discharge of lithium cell probably appears, can shorten the life of lithium cell, and at present, although some coulometers or universal meter can detect lithium cell electric quantity, this type of equipment volume is great, carries inconveniently, and its electric wire also can't accomodate fast simultaneously, increases the operation step when using. Therefore, a lithium battery electric quantity early warning device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lithium battery electric quantity early warning device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a lithium battery electric quantity early warning device comprises a shell, wherein the shell is made of plastics and light in weight, a main control board and a buzzer are installed inside the shell, the main control board is fixedly connected to the inner wall of the shell through a plurality of groups of screws, an electric quantity detection chip is welded on the surface of the main control board, soldering tin is used as a welding material of the main control board, the buzzer is electrically connected with the main control board, the electric quantity detection chip is electrically connected with the main control board, a display screen is installed on the right side of the upper surface of the shell, the display screen is electrically connected with the main control board, a groove is formed in the surface of the shell, a connecting lug is arranged on the surface of the shell, and the connecting lug is movably connected with the display screen through a pin shaft;

the winding device is characterized in that a telescopic opening is formed in the right side face of the shell, a sliding plate is arranged on the right side inside the shell and is arranged in a rectangular shape, a sliding block is connected to the surface of the sliding plate in a sliding mode, a storage box is arranged on the surface of the sliding block, a pull ring is arranged in the middle of the right side wall of the storage box, two groups of stand columns are arranged inside the storage box, winding wheels are connected to the surfaces of the two groups of stand columns in a rotating mode, and a clockwork spring is arranged between the inside of each winding wheel and the stand column;

the winding wheel surface is equipped with the wire, two sets of wires and main control panel electric connection, the inside baffle that is equipped with of receiver, the baffle surface is equipped with two sets of round holes, wire one end is passed behind the round hole and is connected with the electrode, the wire surface is equipped with and keeps off the ring, receiver right side wall is equipped with two sets of rectangular holes, and the diameter of round hole is greater than the diameter of wire, is less than simultaneously and keeps off the diameter of ring, keeps off the diameter of ring and is less than the size that the rectangular hole sum, and the size of expansion joint is greater than the size of receiver.

Compared with the prior art, the utility model has the beneficial effects that: the storage box can be driven to slide out of the telescopic opening through the pull ring, the lithium battery can be detected by pulling the lead to extend out of the rectangular hole through the electrodes, the two groups of electrodes are respectively contacted with the positive electrode and the negative electrode of the lithium battery, the electric quantity of the lithium battery is detected by the electric quantity detection chip and displayed through the display screen, a user can conveniently and visually check the electric quantity of the lithium battery, if the electric quantity of the lithium battery is lower than 30%, the buzzer sends out buzzing sound, the display screen can be rotated through the pin shaft, after the use is completed, the winding wheel is driven by the clockwork spring to rotate, the lead is automatically wound by the winding wheel, manual wire arrangement is not needed, the operation is simple and convenient, the occupied space can be reduced by retracting the storage box into the shell, and the user can conveniently carry the storage box with the lithium battery.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic view of the connection structure between the storage box and two sets of columns according to the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at A.

In the figure: 1. a housing; 2. a main control board; 3. a screw; 4. connecting lugs; 5. a pin shaft; 6. a display screen; 7. a flexible opening; 8. a slide plate; 9. a slider; 10. a storage box; 11. a column; 12. a winding wheel; 13. an electric quantity detection chip; 14. a wire; 15. a baffle plate; 16. a circular hole; 17. a baffle ring; 18. an electrode; 19. a clockwork spring; 20. a rectangular hole; 21. a pull ring; 22. a buzzer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a lithium battery electric quantity early warning device comprises a shell 1, wherein a main control board 2 is installed inside the shell 1, an electric quantity detection chip 13 and a buzzer 22 are welded on the surface of the main control board 2, the main control board 2 and the electric quantity detection chip 13 are protected by the shell 1, and the electric quantity detection chip 13 can be a chip produced by Huazhimei semiconductor limited company and has the model number of HM1165, and other chips of the same type can also be adopted;

the display screen 6 is mounted on the right side of the upper surface of the shell 1, the display screen 6 can directly display the electric quantity of a lithium battery, the telescopic opening 7 is formed in the right side of the shell 1, the sliding plate 8 is arranged on the right side inside the shell 1, the sliding block 9 is connected to the surface of the sliding plate 8 in a sliding mode, the storage box 10 is arranged on the surface of the sliding block 9, the two groups of stand columns 11 are arranged inside the storage box 10, the two groups of stand columns 11 are connected with the winding wheel 12 in a rotating mode on the surfaces, the clockwork spring 19 is arranged between the inside of the winding wheel 12 and the stand columns 11, and after the clockwork spring 19 is pulled by external force to rotate, if the external force disappears, the clockwork spring 19 automatically resets;

12 surfaces of winding wheel are equipped with wire 14, the inside baffle 15 that is equipped with of

receiver

10, 15 surfaces of baffle are equipped with two sets of

round holes

16, 14 one ends of wire are passed and are connected with electrode 18 behind the

round hole

16, 14 surfaces of wire are equipped with and keep off ring 17, keep off ring 17 card on 15 surfaces of baffle, prevent that wire 14 from being contracted completely by winding

wheel

12, 10 right side walls of receiver are equipped with two sets of rectangular holes 20, make things convenient for electrode 18 to wear out through rectangular hole 20.

Specifically, main control board 2 is through 3 fixed connection of a plurality of groups screw on 1 inner wall of casing, strengthens the fastness between main control board 2 and the casing 1, prevents that main control board 2 from rocking.

Specifically, 1 surface of casing is equipped with the recess, and the recess can be accomodate into completely of

display screen

6, 1 surface of casing is equipped with engaging lug 4, engaging lug 4 is through round pin axle 5 and 6 swing joint of display screen, and fan-shaped rotation can be done as the center to display screen 6 with round pin axle 5, conveniently watches display screen 6.

Specifically, the middle part of the right side wall of the storage box 10 is provided with a pull ring 21, and the storage box 10 is conveniently pushed and pulled leftwards or rightwards through the pull ring 21.

Specifically, the electric quantity detection chip 13 is electrically connected with the main control board 2, the display screen 6 is electrically connected with the main control board 2, the two groups of wires 14 are electrically connected with the main control board 2, and the buzzer 22 is electrically connected with the main control board 2.

Specifically, when the lithium battery is used, when the lithium battery needs to be subjected to electric quantity detection, the storage box 10 is pulled leftwards through the pull ring 21, the sliding block 9 slides leftwards along the sliding plate 8, the storage box 10 extends out of the telescopic opening 7, then the electrode 18 is pulled and penetrates through the rectangular hole 20, the electrode 18 drives the lead 14 to fall off from the winding wheel 12, at the moment, two groups of electrodes 18 are abutted against the positive electrode and the negative electrode of the lithium battery, the lithium battery is electrified on the main control board 2 through the electrode 18 and the lead 14, the main control board 2 is electrified on the electric quantity detection chip 13, the electric quantity detection chip 13 is used for detecting the electric quantity of the lithium battery, the detection result is displayed through the display screen 6, if the electric quantity of the lithium battery is lower than 30%, the buzzer sounds to give an alarm, after the lithium battery is used, the two groups of electrodes 18 are loosened, the spring 19 resets and drives the winding wheel 12 to wind the lead 14, and after the lithium battery is wound, the storage cassette 10 can be retracted into the casing 1 by pushing the storage cassette 10 leftward.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lithium cell electric quantity early warning device, includes casing (1), its characterized in that: the improved winding machine is characterized in that a main control board (2) and a buzzer (22) are mounted inside the shell (1), an electric quantity detection chip (13) is welded on the surface of the main control board (2), a display screen (6) is mounted on the right side of the upper surface of the shell (1), a telescopic opening (7) is formed in the right side of the shell (1), a sliding plate (8) is arranged on the right side of the inside of the shell (1), a sliding block (9) is connected to the surface of the sliding plate (8) in a sliding mode, a storage box (10) is arranged on the surface of the sliding block (9), two groups of stand columns (11) are arranged inside the storage box (10), a winding wheel (12) is connected to the surface of the two groups of stand columns (11) in a rotating mode, a clockwork spring (19) is arranged between the inside of the winding wheel (12) and the stand columns (11), a lead (14) is arranged on the surface of the winding wheel (12), a baffle (15) is arranged inside of the storage box (10), two groups of round holes (16) are arranged on the surface of the baffle (15), wire (14) one end is passed round hole (16) back and is connected with electrode (18), wire (14) surface is equipped with fender ring (17), receiver (10) right side wall is equipped with two sets of rectangular holes (20).

2. The lithium battery electric quantity early warning device of claim 1, characterized in that: the main control board (2) is fixedly connected to the inner wall of the shell (1) through a plurality of groups of screws (3).

3. The lithium battery electric quantity early warning device of claim 1, characterized in that: the novel display screen is characterized in that a groove is formed in the surface of the shell (1), a connecting lug (4) is arranged on the surface of the shell (1), and the connecting lug (4) is movably connected with the display screen (6) through a pin shaft (5).

4. The lithium battery electric quantity early warning device of claim 1, characterized in that: the middle part of the right side wall of the storage box (10) is provided with a pull ring (21).

5. The lithium battery electric quantity early warning device of claim 1, characterized in that: the electric quantity detection device is characterized in that the electric quantity detection chip (13) is electrically connected with the main control board (2), the display screen (6) is electrically connected with the main control board (2), the two groups of wires (14) are electrically connected with the main control board (2), and the buzzer (22) is electrically connected with the main control board (2).