CN220964357U - Automatic charging and power-off protection equipment for lithium battery - Google Patents

Abstract

The utility model relates to automatic charging and power-off protection equipment for a lithium battery, which comprises a shell, wherein the inner wall of the shell is fixedly connected with a sliding shaft, the outer wall of the sliding shaft is fixedly connected with a fixed block, the outer wall of the sliding shaft is symmetrically and slidably connected with two electrode plates, the outer wall of the sliding shaft is symmetrically sleeved with two springs, the bottom of the fixed block is fixedly connected with a cylinder, and the output end of the cylinder is fixedly connected with a sliding plate. The utility model has the beneficial effects that when the lithium battery is charged, the lithium battery is connected with the external charger through the electrode plates, the electric quantity can be supplemented for the lithium battery, after the lithium battery is fully charged, the air cylinder is started, the sliding plate is driven to move upwards, the two clamping blocks are driven to move upwards, the inclined surfaces of the two clamping blocks respectively prop against the two electrode plates to push the two electrode plates to approach each other, the two springs are pressed, and the two electrode plates are separated from the charging electrode in the external charger after moving, so that the effect of power failure is realized, the heating problem of the lithium battery is fundamentally solved, and the service life of the lithium battery is effectively prolonged.

Description

Automatic charging and power-off protection equipment for lithium battery

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to automatic charging and power-off protection equipment for a lithium battery.

Background

The lithium battery is an ideal energy carrier developed in twenty-first century, has various advantages, but is often overcharged due to unsupervised supervision when being charged, and the conditions such as increased internal pressure, battery deformation, liquid leakage and the like of the battery are reduced, so that the service life of the lithium battery is shortened, and even explosion is possibly generated, thereby threatening the life safety of people.

Through retrieving, chinese patent discloses a lithium cell auto-charge outage protection equipment (grant bulletin number CN 216252203U), and this patent technique includes charging equipment shell, warning light and wiring mouth, the top fixed mounting of charging equipment shell has the warning light, the side of warning light is provided with the wiring mouth, the inside fixed mounting of charging equipment shell has the storehouse that charges, the back fixed mounting of storehouse that charges has heat dissipation mechanism. According to the utility model, the heat generated by the charging bin is transferred to the radiating pipe through the radiating plate and contacts with the charging bin, so that the heat transfer function is achieved, and then the cooling liquid in the cooling box is conveyed to the interior of the radiating pipe to flow by matching with the power water pump, so that the heat of the radiating plate is exchanged by utilizing the flowing function, thereby achieving the radiating function, solving the problems that the heat is easily generated in the battery bin and the internal parts of the device are easily damaged due to long-time high temperature.

Disclosure of utility model

In view of the problem that the lithium battery in the prior art is inconvenient to automatically power off after being fully charged, the main purpose of the utility model is to provide the automatic charging power-off protection equipment for the lithium battery.

The technical scheme of the utility model is as follows: the utility model provides a lithium cell automatic charging outage protection equipment, includes the casing, the inner wall fixedly connected with slide shaft of casing, the outer wall fixedly connected with fixed block of slide shaft, the outer wall symmetry sliding connection of slide shaft has two electrode slices, the outer wall symmetry cover of slide shaft is equipped with two springs, the bottom fixedly connected with cylinder of fixed block, the output fixedly connected with slide of cylinder, the top symmetry fixedly connected with two fixture blocks of slide.

As a preferred embodiment, the outer walls of both the clamping blocks are provided with inclined surfaces.

As a preferred implementation mode, the inside fixedly connected with battery main part of casing, the top of battery main part sets up the circuit board, the top symmetry of circuit board is provided with two first electric wires, two the one end of first electric wire all is connected with the second electric wire, two the second electric wire is connected with two electrode slices respectively.

As a preferred implementation mode, two cavities are symmetrically arranged in the shell, semiconductor refrigerating sheets are arranged on two sides of the shell, and cold ends of the two semiconductor refrigerating sheets extend to the interiors of the two cavities respectively and are fixedly connected with a cold guide plate.

As a preferred embodiment, the cold guide plate is internally provided with a hollow groove.

As a preferred implementation mode, a filter screen is arranged at the bottom of the shell, and a fan is fixedly connected to the top of the filter screen.

As a preferred embodiment, the outer wall of the housing is fixedly connected with a radiating fin.

Compared with the prior art, the utility model has the advantages and positive effects that:

according to the utility model, when the lithium battery is charged, the electrode plates are connected with the external charger, so that the electric quantity can be supplemented for the lithium battery, after the lithium battery is fully charged, the air cylinder is started, the sliding plate is driven to move upwards, the two clamping blocks are moved upwards, the inclined surfaces of the two clamping blocks respectively prop against the two electrode plates to push the two electrode plates to approach each other, the two springs are pressed, the two electrode plates are separated from the charging electrode in the external charger after moving, the power-off effect is realized, the heating problem of the lithium battery is fundamentally solved, the service life of the lithium battery is effectively prolonged, and the operation quality and the service efficiency are greatly improved compared with the traditional device.

Drawings

FIG. 1 is a perspective view of the present utility model;

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

FIG. 3 is an enlarged view of the utility model at A;

Fig. 4 is a perspective view of the slider and the latch according to the present utility model.

Legend description: 1. a housing; 2. a battery main body; 3. a circuit board; 4. a slide shaft; 5. a spring; 6. a fixed block; 7. an electrode sheet; 8. a first electric wire; 9. a second electric wire; 10. a cylinder; 11. a slide plate; 12. a clamping block; 13. a cavity; 14. a semiconductor refrigeration sheet; 15. a cold guide plate; 16. a hollow groove; 17. a filter screen; 18. a blower; 19. and a heat radiating fin.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model.

The utility model will be further described with reference to the drawings and the specific embodiments

As shown in fig. 1 to 4, the present utility model provides a technical solution: the automatic charging and power-off protection device for the lithium battery comprises a shell 1, wherein the inner wall of the shell 1 is fixedly connected with a sliding shaft 4, the outer wall of the sliding shaft 4 is fixedly connected with a fixed block 6, the outer wall of the sliding shaft 4 is symmetrically and slidably connected with two electrode plates 7, the outer wall of the sliding shaft 4 is symmetrically sleeved with two springs 5, the bottom of the fixed block 6 is fixedly connected with a cylinder 10, the output end of the cylinder 10 is fixedly connected with a sliding plate 11, and the top of the sliding plate 11 is symmetrically and fixedly connected with two clamping blocks 12; the outer walls of both clamping blocks 12 are provided with inclined surfaces.

In this embodiment, when charging the lithium battery, the electrode plate 7 is connected with an external charger, so that the electric quantity can be supplemented for the lithium battery, after the lithium battery is fully charged, the cylinder 10 is started, the slide plate 11 is driven to move upwards, the two clamping blocks 12 are moved upwards, the inclined surfaces of the two clamping blocks 12 respectively abut against the two electrode plates 7, the two electrode plates 7 are pushed to approach each other, the two springs 5 are pressed, the two electrode plates 7 are separated from the charging electrode in the external charger after moving, thereby realizing the effect of power failure, fundamentally solving the heating problem of the lithium battery, and effectively prolonging the service life of the lithium battery.

As shown in fig. 1-4, a battery main body 2 is fixedly connected in the shell 1, a circuit board 3 is arranged at the top of the battery main body 2, two first electric wires 8 are symmetrically arranged at the top of the circuit board 3, one ends of the two first electric wires 8 are connected with second electric wires 9, and the two second electric wires 9 are respectively connected with two electrode plates 7; two cavities 13 are symmetrically arranged in the shell 1, semiconductor refrigerating sheets 14 are arranged on two sides of the shell 1, and cold ends of the two semiconductor refrigerating sheets 14 extend to the interiors of the two cavities 13 respectively and are fixedly connected with a cold guide plate 15; a hollow groove 16 is formed in the cold guide plate 15; the bottom of the shell 1 is provided with a filter screen 17, and the top of the filter screen 17 is fixedly connected with a fan 18; the outer wall of the shell 1 is fixedly connected with a radiating fin 19.

In this embodiment, all pack into the refrigerant in two cavitys 13, through two first electric wires 8 and two second electric wires 9 that set up, can make two electrode slices 7 and circuit board 3 electric connection, and then charge for battery body 2, when charging to battery body 2, start semiconductor refrigeration piece 14, cool off to leading cold plate 15, make the refrigerant cooling, the refrigerant can cool off inside battery body 2, effectually prevent battery body 2 generates heat when charging, start fan 18 simultaneously, can cool off to the bottom of battery body 2 bloies, further prevent battery body 2 overheat damage, in can guaranteeing the casing 1 internal ventilation, block dust entering casing 1 through filter screen 17 that sets up.

Working principle:

As shown in fig. 1-4, through the two first electric wires 8 and the two second electric wires 9 that set up, can make two electrode slices 7 and circuit board 3 electric connection, and then charge for battery main part 2, when charging to the lithium cell, be connected with external charger through electrode slice 7, can supply electric quantity for the lithium cell, after the lithium cell is full of electricity, start cylinder 10, drive slide 11 and upwards remove, make two fixture blocks 12 upwards remove, the inclined plane of two fixture blocks 12 supports two electrode slices 7 respectively, promote two electrode slices 7 and is close to each other, compress tightly two springs 5, two electrode slices 7 break away from the charging electrode in the external charger after removing, thereby realize outage effect, fundamentally solved the heating problem of lithium cell, the effectual life that has promoted the lithium cell, all pack into refrigerant in two cavitys 13, when charging to battery main part 2, start semiconductor refrigeration piece 14, cool down to conducting cold plate 15, make refrigerant can cool down to inside battery main part 2, effectively prevent battery main part 2 when charging, the battery main part 2 is at the same time, can further prevent the bottom of the battery main part 2 from damaging with the fan 18, the fan that can further heat the bottom of the battery 2 is greatly damaged when the fan is very much started, the device that has improved the quality of the traditional heat-up, and has further improved the device of the heat.

Finally, it should be noted that: the embodiments described above are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (7)

1. The utility model provides a lithium cell auto-charge outage protection equipment, includes casing (1), its characterized in that: the utility model discloses a motor, including casing (1), fixed block (11) of the outer wall symmetry fixedly connected with of casing (1), inner wall fixedly connected with slide (4) of casing (1), outer wall symmetry sliding connection of slide (4) has two electrode slices (7), the outer wall symmetry cover of slide (4) is equipped with two springs (5), the bottom fixedly connected with cylinder (10) of fixed block (6), the output fixedly connected with slide (11) of cylinder (10), the top symmetry fixedly connected with two fixture blocks (12) of slide (11).

2. The lithium battery automatic charging power-off protection device according to claim 1, wherein: the outer walls of the two clamping blocks (12) are provided with inclined planes.

3. The lithium battery automatic charging power-off protection device according to claim 1, wherein: the battery pack is characterized in that a battery main body (2) is fixedly connected to the inside of the shell (1), a circuit board (3) is arranged at the top of the battery main body (2), two first electric wires (8) are symmetrically arranged at the top of the circuit board (3), one ends of the two first electric wires (8) are connected with second electric wires (9), and the two second electric wires (9) are connected with two electrode plates (7) respectively.

4. The lithium battery automatic charging power-off protection device according to claim 1, wherein: two cavities (13) are symmetrically arranged in the shell (1), semiconductor refrigerating sheets (14) are arranged on two sides of the shell (1), and cold ends of the two semiconductor refrigerating sheets (14) extend to the interiors of the two cavities (13) respectively and are fixedly connected with a cold guide plate (15).

5. The lithium battery automatic charging power-off protection device according to claim 4, wherein: the inside of the cold guide plate (15) is provided with a hollow groove (16).

6. The lithium battery automatic charging power-off protection device according to claim 1, wherein: the bottom of casing (1) is provided with filter screen (17), the top fixedly connected with fan (18) of filter screen (17).

7. The lithium battery automatic charging power-off protection device according to claim 1, wherein: the outer wall of the shell (1) is fixedly connected with radiating fins (19).