CN212342744U

CN212342744U - Lithium battery with long cycle life

Info

Publication number: CN212342744U
Application number: CN202021066250.2U
Authority: CN
Inventors: 徐志远
Original assignee: Liancheng Xushi New Energy Co ltd
Current assignee: Liancheng Xushi New Energy Co ltd
Priority date: 2020-06-13
Filing date: 2020-06-13
Publication date: 2021-01-12
Anticipated expiration: 2030-06-13

Abstract

The utility model relates to the field of lithium batteries, in particular to a lithium battery with long cycle life, which comprises a lithium battery and a protective box, wherein the lithium battery is fixedly connected with the protective box, the central position of the inner side of the top end surface of the protective box and the central position of the inner side of the bottom end surface of the protective box are both fixedly connected with pressure sensors, the top of the inner side of the right end surface of the protective box is fixedly connected with an alarm, and the bottom of the inner side of the right end surface of the protective box is fixedly connected with a controller, in the utility model, through the arranged pressure sensors, the alarm, a push plate and an inner rod, when bulge appears outside the lithium battery, the bulge appears and can push the push plate to move, the push plate can contact the pressure sensor, the pressure sensor can control the alarm to alarm through the controller after sensing the pressure, thereby the lithium battery can alarm to remind, the lithium battery is safer to use.

Description

Lithium battery with long cycle life

Technical Field

The utility model relates to a lithium cell field specifically is a long cycle life's lithium cell.

Background

The lithium battery refers to a battery containing lithium (including metallic lithium, lithium alloy, lithium ion and lithium polymer) in an electrochemical system, and the lithium battery can be roughly divided into two types, namely a lithium metal battery and a lithium ion battery, wherein the lithium metal battery is usually not rechargeable and contains metallic lithium, the lithium ion battery does not contain metallic lithium and can be charged, with the continuous development of technology, the existing lithium battery with long cycle life is very widely used, but the existing lithium batteries with long cycle life have some problems in use, wherein the lithium battery with long cycle life is easy to generate a bulge phenomenon under the conditions of overcharge, overdischarge and the like, and once the lithium battery with long cycle life is continuously used after the bulge phenomenon occurs, the probability of danger is high, but the existing lithium batteries with long cycle life cannot alarm to remind a user to maintain the lithium battery with long cycle life when the bulge phenomenon occurs in the use process of the existing lithium battery with long cycle life The utility model discloses a long cycle life's lithium cell, including the lithium cell of long cycle life, be connected with the connecting wire on the lithium cell of long cycle life, the lithium cell of long cycle life carries out charge and discharge through connecting wire connecting device simultaneously, but some present connecting wires are welded on long cycle life's lithium cell through the connector, and when the connecting wire on long cycle life's lithium cell appears damaging, it is more troublesome to change the connecting wire, wastes time and energy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a long cycle life's lithium cell 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:

a lithium battery with long cycle life comprises a lithium battery and a protection box, wherein the lithium battery is fixedly connected with the protection box, a pressure sensor is fixedly connected with the central position of the inner side of the top end face of the protection box and the central position of the inner side of the bottom end face of the protection box, an alarm is fixedly connected with the top of the inner side of the right end face of the protection box, a controller is fixedly connected with the bottom of the inner side of the right end face of the protection box, a push plate is slidably connected with the outer side of the lithium battery, an inner rod is fixedly connected with the outer side of the push plate, an outer rod is slidably connected with the outer rod and is fixedly connected with the protection box, a connector is arranged at the central position of the left end face of the protection box, the connector penetrates through the protection box, the connector is slidably connected with the protection box, the, the protection box is characterized in that a pull rod is arranged on the left side of the top end face of the protection box and penetrates through the protection box, the pull rod is connected with the protection box in a sliding mode, a sliding block is fixedly connected to the other end of the pull rod, and the sliding block is connected with the protection box in a sliding mode.

Preferably, the inner rod penetrates through the outer rod, and the inner rod is T-shaped.

Preferably, the inner side of the outer rod is provided with a first spring, the first spring is fixedly connected with the outer rod, and the other end of the first spring is fixedly connected with the inner rod.

Preferably, the bottom end face of the sliding block is fixedly connected with a clamping block, the clamping block penetrates through the protective box, the clamping block is in sliding connection with the inner wall of the clamping groove, and the bottom of the left end face of the clamping block is obliquely arranged.

Preferably, a second spring is sleeved on the outer side of the pull rod between the sliding block and the protective box, one end of the second spring is fixedly connected with the protective box, and the other end of the second spring is fixedly connected with the sliding block.

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

1. in the utility model, through the arranged pressure sensor, the alarm, the push plate and the inner rod, when the bulge appears outside the lithium battery, the bulge position can push the push plate to move, the push plate can contact the pressure sensor, the pressure sensor can control the alarm to alarm through the controller after sensing the pressure, thereby the lithium battery can alarm and remind a user to maintain the lithium battery when the bulge occurs in the use process, and the lithium battery is safer when in use;

2. the utility model discloses in, through the draw-in groove that sets up, the pull rod, the fixture block, the second spring, when the connecting wire on the lithium cell appears damaging, drive the slider motion through the pulling pull rod, slider motion drives the fixture block motion, it leaves the connector to drive the fixture block, when the fixture block is contactless with the connector, can dismantle the connecting wire from the lithium cell, then the recess promotion connector on aiming at the lithium cell to the connector on the new connecting wire can install new connecting wire, thereby it is more convenient to the change of connecting wire, labour saving and time saving.

Drawings

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

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic structural diagram of the point B in fig. 1 according to the present invention.

In the figure: 1-lithium battery, 2-protective box, 3-pressure sensor, 4-alarm, 5-controller, 6-push plate, 7-inner rod, 8-outer rod, 9-first spring, 10-connector, 11-clamping groove, 12-pull rod, 13-slide block, 14-clamping block and 15-second spring.

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, the present invention provides a technical solution:

a lithium battery with long cycle life comprises a lithium battery 1 and a protection box 2, the lithium battery 1 is fixedly connected with the protection box 2, the central position of the inner side of the top end face of the protection box 2 and the central position of the inner side of the bottom end face of the protection box 2 are fixedly connected with a pressure sensor 3, the arrangement can sense the bulge of the lithium battery 1, the top of the inner side of the right end face of the protection box 2 is fixedly connected with an alarm 4, the bottom of the inner side of the right end face of the protection box 2 is fixedly connected with a controller 5, the outer side of the lithium battery 1 is slidably connected with a push plate 6, the push plate 6 is slidably connected with the protection box 2, the outer side of the push plate 6 is fixedly connected with an inner rod 7, the outer side of the inner rod 7 is slidably connected with an outer rod 8, the outer rod 8 is fixedly connected with the protection box 2, the, connector 10 and lithium cell 1 sliding connection, draw-in groove 11 has been seted up to connector 10 inboard, and 2 top end faces of protective housing left sides are equipped with pull rod 12, and pull rod 12 runs through protective housing 2, pull

rod

12 and 2 sliding connection of protective housing, the other end fixedly connected with slider 13 of pull rod 12,

slider

13 and 2 sliding connection of protective housing, this kind of setting is convenient dismantles connector 10.

The inner rod 7 penetrates through the outer rod 8, the inner rod 7 is T-shaped, and the arrangement can limit the movement of the inner rod 7; a first spring 9 is arranged on the inner side of the outer rod 8, the first spring 9 is fixedly connected with the outer rod 8, the other end of the first spring 9 is fixedly connected with the inner rod 7, and the arrangement can drive the inner rod 7 to reset; a clamping block 14 is fixedly connected to the bottom end face of the sliding block 13, the clamping block 14 penetrates through the protective box 2, the clamping block 14 is connected with the protective box 2 in a sliding mode, the clamping block 14 is connected with the inner wall of the clamping groove 11 in a sliding mode, the bottom of the left end face of the clamping block 14 is arranged in an inclined mode, and the connecting head 10 is convenient to install; the pull rod 12 outside cover between slider 13 and the protective housing 2 has second spring 15, and the one end and the protective housing 2 fixed connection of second spring 15, the other end and the slider 13 fixed connection of second spring 15, and this kind of setting can be fixed connector 10.

The working process is as follows: the power of the electric appliance used in the device is provided by the lithium battery 1, in the using process, when the bulge appears outside the lithium battery 1, the bulge appears, the position can push the push plate 6 to move, the push plate 6 moves to drive the inner rod 7 to slide inside the outer rod 8, the inner rod 7 slides to extrude the first spring 9, when the push plate 6 contacts the pressure sensor 3, the pressure sensor 3 senses the pressure and controls the alarm 4 to alarm through the controller 5, thereby the lithium battery 1 can alarm to remind a user to maintain the lithium battery 1 when the bulge appears in the using process, the lithium battery 1 is safer in use, when a connecting wire on the lithium battery 1 is damaged, the pull rod 12 is pulled to drive the sliding block 13 to move, the sliding block 13 moves to drive the clamping block 14 to move, the clamping block 14 is driven to leave the connector 10, when the clamping block 14 is not in contact with the connector 10, can dismantle the connecting wire from lithium cell 1 get off, then the recess on the new connecting wire on the connector 10 alignment lithium cell 1 promotes connector 10, connector 10 can extrude the motion of drive fixture block 14 to fixture block 14 at the in-process of motion, fixture block 14 can compress second spring 15 through slider 13 in the motion, when fixture block 14 contacts draw-in groove 11 on the connector 10, connector 10 also supports lithium cell 1, at this moment, the pressure that second spring 15 received disappears and can drive fixture block 14 through slider 13 and reset and support connector 10, can install new connecting wire, thereby it is more convenient to the change of connecting wire, time saving and labor saving.

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. A long cycle life lithium battery includes a lithium battery (1) and a protective box (2), characterized in that: the lithium battery is characterized in that the lithium battery (1) is fixedly connected with the protection box (2), the central position of the inner side of the top end face of the protection box (2) and the central position of the inner side of the bottom end face of the protection box (2) are fixedly connected with a pressure sensor (3), the top of the inner side of the right end face of the protection box (2) is fixedly connected with an alarm (4), the bottom of the inner side of the right end face of the protection box (2) is fixedly connected with a controller (5), the outer side of the lithium battery (1) is slidably connected with a push plate (6), the push plate (6) is slidably connected with the protection box (2), the outer side of the push plate (6) is fixedly connected with an inner rod (7), the outer side of the inner rod (7) is slidably connected with an outer rod (8), the outer rod (8) is fixedly connected with the protection box (2), the central, connector (10) and protective housing (2) sliding connection, lithium cell (1) is run through in connector (10), connector (10) and lithium cell (1) sliding connection, draw-in groove (11) have been seted up to connector (10) inboard, protective housing (2) top face left side is equipped with pull rod (12), protective housing (2) is run through in pull rod (12), pull rod (12) and protective housing (2) sliding connection, the other end fixedly connected with slider (13) of pull rod (12), slider (13) and protective housing (2) sliding connection.

2. A long cycle life lithium battery as claimed in claim 1, wherein: the inner rod (7) penetrates through the outer rod (8), and the inner rod (7) is T-shaped.

3. A long cycle life lithium battery as claimed in claim 1, wherein: the inner side of the outer rod (8) is provided with a first spring (9), the first spring (9) is fixedly connected with the outer rod (8), and the other end of the first spring (9) is fixedly connected with the inner rod (7).

4. A long cycle life lithium battery as claimed in claim 1, wherein: the bottom end face of the sliding block (13) is fixedly connected with a clamping block (14), the clamping block (14) penetrates through the protection box (2), the clamping block (14) is connected with the protection box (2) in a sliding mode, the clamping block (14) is connected with the inner wall of the clamping groove (11) in a sliding mode, and the bottom of the left end face of the clamping block (14) is obliquely arranged.

5. A long cycle life lithium battery as claimed in claim 1, wherein: the outer side of the pull rod (12) between the sliding block (13) and the protective box (2) is sleeved with a second spring (15), one end of the second spring (15) is fixedly connected with the protective box (2), and the other end of the second spring (15) is fixedly connected with the sliding block (13).