CN213884845U

CN213884845U - Lithium ion battery with excellent low-temperature charging performance

Info

Publication number: CN213884845U
Application number: CN202022675732.4U
Authority: CN
Inventors: 王霞铃; 雒雄
Original assignee: Shenzhen Yachen New Energy Co ltd
Current assignee: Shenzhen Yachen New Energy Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-08-06
Anticipated expiration: 2030-11-18

Abstract

The utility model relates to the technical field of lithium ion batteries, in particular to a lithium ion battery with excellent low-temperature charging performance, which comprises a charging placing box, wherein a dry powder box is arranged at the top inside the charging placing box, a connecting pipeline is arranged at the bottom of the dry powder box, an electric powder spraying head is uniformly arranged at the lower side of the connecting pipeline, a flame sensor is arranged above the left side wall inside the charging placing box, a smoke sensor is arranged above the right side wall inside the charging placing box, a switch door is arranged on the front side of the charging placing box, a control panel is arranged at the center of the front side of the switch door, the flame sensor and the smoke sensor can sense and transmit the dry powder to the control panel at the first time when a fire disaster happens during charging, and the arranged electric powder spraying head can also spray the dry powder inside the dry powder box to extinguish fire at the first time through the control panel, thereby increasing the safety of the battery during charging and reducing the occurrence rate of fire.

Description

Lithium ion battery with excellent low-temperature charging performance

Technical Field

The utility model relates to a lithium ion battery technical field specifically is a lithium ion battery with good low temperature charging performance.

Background

The lithium ion battery has the advantages of high specific energy, light weight, long service life, no memory effect and the like, is widely applied to various civil electronic equipment and the fields of electric automobiles, energy storage, mobile power supplies and the like, and simultaneously, along with the improvement of the environmental requirements of people on the fields, the lithium ion battery is required to have higher low-temperature charging and discharging capacity in northern severe cold areas or in the field, and although positive and negative pole pieces are main factors influencing the low-temperature performance of the lithium ion battery, the chemical stability of a diaphragm, the size of pores, the contact performance with the pole pieces, the wettability of the pole pieces and other factors can play an important role in the low-temperature performance of the lithium ion battery.

The existing lithium ion battery with excellent low-temperature charging performance contains flammable electrolyte, if the lithium ion battery is damaged or improperly charged, the phenomenon of fire may occur due to some principles, and if the lithium ion battery cannot be timely treated, the fire may be caused, so that the lithium ion battery with excellent low-temperature charging performance is needed to improve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium ion battery with good low temperature charging performance 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 ion battery with excellent low-temperature charging performance comprises a charging placement box, wherein a dry powder box is arranged at the top inside the charging placement box, a connecting pipeline is arranged at the bottom of the dry powder box, electric powder spray heads are uniformly installed on the lower side of the connecting pipeline, a power connector is arranged on the left side of the charging placement box, a charging plug is arranged below the left side wall inside the charging placement box, a flame sensor is arranged above the left side wall inside the charging placement box, a smoke sensor is arranged above the right side wall inside the charging placement box, a switch door is arranged on the front side of the charging placement box, a control panel is arranged at the center of the front side of the switch door, a circuit breaker is arranged on the front side of the switch door and on the left side of the control panel, a lithium ion battery is arranged inside the charging placement box, and a handle groove is formed in the top of the lithium, the inside in handle groove is provided with carries and takes the handle, lithium ion battery's left side below is provided with the interface that charges.

Preferably, the flame sensor and the smoke sensor are both connected with the control panel through wires in an electrical connection mode.

Preferably, the electric powder spraying head is connected with the control panel through a wire, and the connection mode is electric connection.

Preferably, the structure size of the charging plug is matched with that of the charging interface, the connecting structure is in plug connection, and the circuit breaker is electrically connected with the charging plug.

Preferably, the shape structure of the connecting pipeline is an inverted T-shaped structure and penetrates through the top of the charging placement box, and the connecting pipeline is welded with the charging placement box in a connecting mode.

Preferably, the carrying handle is connected with the lithium ion battery in a rotating manner.

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

the utility model discloses in, can sense the conveying control panel the very first time when the conflagration breaing out when charging through the flame sensor and the smoke transducer that set up to the electronic shower nozzle of setting also can put out a fire the inside dry powder blowout of dry powder case the very first time through control panel, thereby has increased the security of battery when charging, has reduced the incidence of conflagration.

Drawings

Fig. 1 is an overall three-dimensional schematic diagram of the present invention;

FIG. 2 is the overall internal structure of the present invention;

fig. 3 is a three-dimensional schematic diagram of the lithium ion battery of the present invention.

In the figure: 1-a charging placing box, 2-a dry powder box, 3-a connecting pipeline, 4-an electric powder spraying head, 5-a power supply connector, 6-a charging plug, 7-a flame sensor, 8-a smoke sensor, 9-a switch door, 10-a control panel, 11-a circuit breaker, 12-a lithium ion battery, 13-a handle groove, 14-a lifting handle and 15-a charging interface.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a lithium ion battery with excellent low-temperature charging performance comprises a charging placing box 1, wherein a dry powder box 2 is arranged at the top inside the charging placing box 1, a connecting pipeline 3 is arranged at the bottom of the dry powder box 2, electric powder spray heads 4 are uniformly arranged on the lower side of the connecting pipeline 3, a power connector 5 is arranged on the left side of the charging placing box 1, a charging plug 6 is arranged below the left side wall inside the charging placing box 1, a flame sensor 7 is arranged above the left side wall inside the charging placing box 1, a smoke sensor 8 is arranged above the right side wall inside the charging placing box 1, a switch door 9 is arranged on the front side of the charging placing box 1, a control panel 10 is arranged at the center of the front side of the switch door 9, a circuit breaker 11 is arranged on the front side of the control panel 10 and on the left side of the switch door 9, a lithium ion battery 12 is arranged inside the charging placing box 1, and a handle groove 13 is formed in the top of the lithium ion battery 12, the inside of the handle groove 13 is provided with a lifting handle 14, the left lower part of the lithium ion battery 12 is provided with a charging interface 15, the flame sensor 7 and the smoke sensor 8 are both connected with the control panel 10 through wires and are electrically connected, the electric powder spraying head 4 is connected with the control panel 10 through wires and is electrically connected, the structural size of the charging plug 6 is matched with that of the charging interface 15, the connecting structure is plug-in connection, the connecting mode of the circuit breaker 11 and the charging plug 6 is electrically connected, the appearance structure of the connecting pipeline 3 is an inverted T-shaped structure and penetrates through the top of the charging placing box 1, the connecting pipeline 3 and the charging placing box 1 are welded, the connecting mode of the lifting handle 14 and the lithium ion battery 12 is rotary connection, and the flame sensor 7 and the smoke sensor 8 can sense a fire disaster when charging and transmit the fire disaster to the control panel 10 at the first time, and the arranged electric nozzle 4 can spray dry powder in the dry powder box 2 for fire extinguishing at the first time through the control panel 10, so that the safety of the battery during charging is improved, and the occurrence rate of fire is reduced.

The utility model discloses work flow: when the dry powder extinguishing device is used, firstly, an external power supply is connected through the power connector 5 to electrify the charging placing box 1, then the switch door 9 is opened to place the lithium ion battery 12 in the charging placing box 1, then the charging plug 6 is inserted into the charging interface 15 of the lithium ion battery 12 to be charged, when short circuit, fire and smoke occur in the charging process, the circuit breaker 11 can disconnect the power supply of the charging plug 6, at the moment, the flame sensor 7 and the smoke sensor 8 can sense and transmit information to the control panel 10, then the control panel 10 can open the electric powder spraying head 4 to spray dry powder in the dry powder box 2 to extinguish fire, the flame sensor 7 and the smoke sensor 8 can sense and transmit the dry powder to the control panel 10 at the first time when fire occurs in the charging process, and the arranged electric powder spraying head 4 can spray dry powder in the dry powder box 2 to extinguish the fire at the first time through the control panel 10, thereby increasing the safety of the battery during charging and reducing the occurrence rate of fire.

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 lithium ion battery with excellent low-temperature charging performance comprises a charging placement box (1), and is characterized in that: the powder charging device is characterized in that a dry powder box (2) is arranged at the top inside the charging placement box (1), a connecting pipeline (3) is arranged at the bottom of the dry powder box (2), electric powder spray heads (4) are uniformly installed on the lower side of the connecting pipeline (3), a power connector (5) is arranged on the left side of the charging placement box (1), a charging plug (6) is arranged below the left side wall inside the charging placement box (1), a flame sensor (7) is arranged above the left side wall inside the charging placement box (1), a smoke sensor (8) is arranged above the right side wall inside the charging placement box (1), a switch door (9) is arranged on the front side of the charging placement box (1), a control panel (10) is arranged at the center of the front side of the switch door (9), and a circuit breaker (11) is arranged on the front side of the switch door (9) and on the left side of the control panel (10), the charging device is characterized in that a lithium ion battery (12) is arranged inside the charging placement box (1), a handle groove (13) is formed in the top of the lithium ion battery (12), a lifting handle (14) is arranged inside the handle groove (13), and a charging interface (15) is arranged below the left side of the lithium ion battery (12).

2. The lithium ion battery according to claim 1, which has excellent low-temperature charging properties, characterized in that: the flame sensor (7) and the smoke sensor (8) are both connected with the control panel (10) through wires in an electrical connection mode.

3. The lithium ion battery according to claim 1, which has excellent low-temperature charging properties, characterized in that: the electric powder spraying head (4) is connected with the control panel (10) through a lead in an electric connection mode.

4. The lithium ion battery according to claim 1, which has excellent low-temperature charging properties, characterized in that: the structure size of charging plug (6) and the structure size phase-match of interface (15) that charges to connection structure is plug connection, circuit breaker (11) is electric connection with the connected mode of charging plug (6).

5. The lithium ion battery according to claim 1, which has excellent low-temperature charging properties, characterized in that: the appearance structure of connecting tube (3) is "reverse T" shape structure to run through the top of placing case (1) that charges, connecting tube (3) and the connected mode of placing case (1) that charges are the welding.

6. The lithium ion battery according to claim 1, which has excellent low-temperature charging properties, characterized in that: the lifting handle (14) is connected with the lithium ion battery (12) in a rotating mode.