CN219642910U

CN219642910U - Battery pack with dehumidification function

Info

Publication number: CN219642910U
Application number: CN202321049373.9U
Authority: CN
Inventors: 姜久春; 常春; 贺章擎; 廖力; 刘光军; 王鹿军; 李慧
Original assignee: Xuzhou Pureseth Internet Of Things Technology Co ltd
Current assignee: Xuzhou Pureseth Internet Of Things Technology Co ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2023-09-05
Anticipated expiration: 2033-05-05

Abstract

The utility model discloses a battery pack with a dehumidification function, which comprises a fence, wherein the upper surface and the lower surface of the fence are respectively provided with a cover plate, and the fence comprises two side fences, a front fence and a rear fence; two first through grooves are symmetrically formed in the front surrounding baffle, an air inlet component is arranged in the first through grooves, and a drying agent is arranged in the air inlet component; through humidity transducer, aspiration pump and gas check valve, can be when the inside humidity of battery package is great, with the air discharge of inside, simultaneously when the outside is comparatively dry air for inside air is intake, can also carry out simple dehumidification work to it through the drier, after the air is changed completely, can last the dehumidification work to inside air through the drier, reduced the speed that air humidity increases, slowed down the cycle of changing the air next time.

Description

Battery pack with dehumidification function

Technical Field

The utility model relates to the technical field of battery packs, in particular to a battery pack with a dehumidification function.

Background

In reality, faults caused by short circuit of a power battery pack of an electric automobile and hardware failure of a BMS are much higher than those of a traditional automobile, and one of causes of the faults is high in air humidity.

The sealing grade of the power battery assembly is higher and higher, but gaps are inevitably formed at the assembled positions among all parts of the battery pack, so that air still enters the battery pack, the air humidity inside the battery pack is gradually increased, moisture in the air can be slowly adsorbed on the inner wall to form condensation, and the probability of failure is increased.

The existing battery pack is sometimes provided with a simple dehumidifying box, and a drying agent is placed in the simple dehumidifying box, but the dehumidifying speed of the single drying agent is limited, and the speed of the increase of the air humidity in the battery pack is more than that of the drying agent in many cases.

For this purpose, a battery pack having a dehumidification function is proposed.

Disclosure of Invention

The present utility model is directed to a battery pack with a dehumidification function, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the battery pack with the dehumidification function comprises a fence, wherein the upper surface and the lower surface of the fence are respectively provided with a cover plate, and the fence comprises two side fences, a front fence and a rear fence;

two first through grooves are symmetrically formed in the front surrounding baffle, an air inlet component is arranged in the first through grooves, and a drying agent is arranged in the air inlet component;

the rear enclosure is provided with a second through groove, and an air extraction component for extracting air in the battery pack is arranged in the second through groove;

the cover plate is provided with a humidity sensor, the middle part of the front wall is provided with a controller, and the controller is used for receiving signals of the humidity sensor and starting the air extraction assembly.

Preferably: the air inlet assembly comprises a placement frame, a drying agent is arranged inside the placement frame, holes are uniformly formed in the placement frame, and a plurality of limiting plates are arranged on the inner side wall of the placement frame.

Preferably: the limiting plates are provided with sealing plates, the middle parts of the sealing plates are provided with cylinder bodies, and holes are uniformly formed in the cylinder bodies.

Preferably: the front surface of the sealing plate is provided with a first mounting plate, and a gas check valve is arranged on the first mounting plate and positioned in the cylinder.

Preferably: the air extraction assembly comprises a plurality of baffles;

the baffle plates are uniformly arranged on the inner side walls of the second through grooves, and the second mounting plates are arranged on the baffle plates.

Preferably: and an air pump is arranged on the second mounting plate.

Compared with the prior art, the utility model has the beneficial effects that: through humidity transducer, aspiration pump and gas check valve, can be when the inside humidity of battery package is great, with the air discharge of inside, simultaneously when the outside is comparatively dry air for inside air is intake, can also carry out simple dehumidification work to it through the drier, after the air is changed completely, can last the dehumidification work to inside air through the drier, reduced the speed that air humidity increases, slowed down the cycle of changing the air next time.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic rear perspective view of the present utility model;

FIG. 3 is a schematic view of an air intake assembly according to the present utility model;

FIG. 4 is a schematic diagram of the pumping assembly of the present utility model.

In the figure: 1. a surrounding baffle; 101. a side wall baffle; 102. a front wall; 1021. a first through groove; 103. a rear enclosure; 1031. a second through slot; 2. a cover plate; 3. an air intake assembly; 31. placing a frame; 32. a limiting plate; 33. a sealing plate; 34. a cylinder; 35. a first mounting plate; 36. a gas check valve; 4. an air extraction assembly; 41. a baffle; 42. a second mounting plate; 43. and an air pump.

Description of the embodiments

The technical solutions in 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.

Examples

Referring to fig. 1-4, the present utility model provides a technical solution: the battery pack with the dehumidification function comprises a fence 1, wherein the upper surface and the lower surface of the fence 1 are respectively provided with a cover plate 2, and the fence 1 comprises two side fences 101, a front fence 102 and a rear fence 103;

two first through grooves 1021 are symmetrically formed in the front wall 102, an air inlet component 3 is arranged in the first through grooves 1021, and a drying agent is arranged in the air inlet component 3;

the rear enclosure 103 is provided with a second through groove 1031, and an air extraction component 4 for extracting air in the battery pack is arranged in the second through groove 1031;

the cover plate 2 is provided with a humidity sensor, the middle part of the front wall board 102 is provided with a controller 5, and the controller 5 is used for receiving signals of the humidity sensor and starting the air extraction assembly 4.

As shown in fig. 3: the air inlet assembly 3 comprises a placing frame 31, holes are uniformly formed in the placing frame 31, and a plurality of limiting plates 32 are arranged on the inner side wall of the placing frame 31; by the above arrangement, the desiccant is mounted inside the placement frame 31, and moisture in the air inside the battery pack can be absorbed.

As shown in fig. 3: a sealing plate 33 is arranged on the plurality of limiting plates 32, a cylinder 34 is arranged in the middle of the sealing plate 33, and holes are uniformly formed in the cylinder 34; with the above arrangement, the cylinder 34 can more conveniently and quickly place the gas check valve 36 therein, thereby facilitating the use of the gas check valve 36.

As shown in fig. 3: the front surface of the sealing plate 33 is provided with a first mounting plate 35, the first mounting plate 35 is provided with a gas check valve 36, and the gas check valve 36 is positioned in the cylinder 34; by the above arrangement, the gas check valve 36 can be automatically opened by the suction of the suction pump 43 when ventilation is performed, and the gas check valve 36 can be automatically closed by the internal spring to prevent gas from entering when the suction pump 43 stops operating.

As shown in fig. 4: the suction assembly 4 comprises a plurality of baffles 41;

the baffle plates 41 are uniformly arranged on the inner side walls of the second through grooves 1031, the second mounting plates 42 are arranged on the baffle plates 41, and the air sucking pumps 43 are arranged on the second mounting plates 42; through the arrangement, when the humidity of the air in the seed battery pack is high, the air in the seed battery pack can be extracted and discharged.

Working principle: when the humidity sensor on the cover plate 2 detects that the air humidity inside the battery pack is large, the air pump 43 is started through the controller 5, the air inside the battery pack is pumped and discharged by the air pump 43, meanwhile, when the air is pumped, the air check valve 36 can be automatically opened due to the change of the internal pressure of the battery pack, so that the outside air enters the battery pack, when the air enters the battery pack, the air check valve 35 can be automatically closed due to the spring inside after the replacement of the inside air, so that the battery pack forms a relatively closed space, and then the air inside the battery pack can be continuously dehumidified through the desiccant inside the air check valve 31, so that the speed of air humidity increase is reduced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 battery package with dehumidification function, includes encloses fender (1), enclose and keep off (1) upper and lower surface and all be equipped with apron (2), its characterized in that: the enclosure (1) comprises two side enclosures (101), a front enclosure (102) and a rear enclosure (103);

two first through grooves (1021) are symmetrically formed in the front surrounding baffle (102), an air inlet assembly (3) is arranged in the first through grooves (1021), and a drying agent is arranged in the air inlet assembly (3);

the rear enclosure baffle (103) is provided with a second through groove (1031), and an air extraction component (4) for extracting air in the battery pack is arranged in the second through groove (1031);

the cover plate (2) is provided with a humidity sensor, the middle part of the front surrounding baffle (102) is provided with a controller (5), and the controller (5) is used for receiving signals of the humidity sensor and starting the air extraction assembly (4).

2. The battery pack with a dehumidification function according to claim 1, wherein: the air inlet assembly (3) comprises a placement frame (31), a drying agent is arranged inside the placement frame (31), holes are uniformly formed in the placement frame (31), and a plurality of limiting plates (32) are arranged on the inner side wall of the placement frame (31).

3. The battery pack with a dehumidifying function as claimed in claim 2, wherein: a plurality of limiting plates (32) are provided with sealing plates (33), the middle part of each sealing plate (33) is provided with a cylinder body (34), and holes are uniformly formed in each cylinder body (34).

4. A battery pack having a dehumidifying function as claimed in claim 3, wherein: the front surface of the sealing plate (33) is provided with a first mounting plate (35), the first mounting plate (35) is provided with a gas check valve (36), and the gas check valve (36) is positioned in the cylinder (34).

5. The battery pack with a dehumidification function according to claim 1, wherein: the air extraction assembly (4) comprises a plurality of baffles (41);

the baffle plates (41) are uniformly arranged on the inner side walls of the second through grooves (1031), and the second mounting plates (42) are arranged on the baffle plates (41).

6. The battery pack with a dehumidification function according to claim 5, wherein: and an air pump (43) is arranged on the second mounting plate (42).