CN220021267U

CN220021267U - Battery equipment

Info

Publication number: CN220021267U
Application number: CN202321127675.3U
Authority: CN
Inventors: 计丹英; 黄桂华; 王继良
Original assignee: Hangzhou Jiongfeng Technology Co ltd
Current assignee: Hangzhou Jiongfeng Technology Co ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-11-14
Anticipated expiration: 2033-05-11

Abstract

The utility model relates to the technical field of batteries and discloses battery equipment, which comprises a shell, a battery cell assembly and a top cover plate, wherein a cavity with an opening at the upper end is arranged in the side wall of the shell along the periphery of the shell, a partition plate for dividing the cavity into an energy absorption cavity positioned at the outer side and a heat dissipation cavity positioned at the inner side is arranged in the cavity along the periphery of the shell, heat conducting fins are uniformly distributed in the heat dissipation cavity along the periphery of the shell, an installation cavity with an opening at the lower end is arranged at the lower end part of the shell, a lower vent hole and an upper vent hole are arranged on the side wall of the shell, a notch communicated with the installation cavity is arranged on the bottom wall of the heat dissipation cavity, a through hole is arranged on the side wall of the heat dissipation cavity, and a blast assembly is arranged in the installation cavity. Through the structure, the air blowing component can blow the air in the mounting cavity into the heat dissipation cavity to form heat dissipation airflow flowing through the heat conduction fin, so that the shell can be used for continuously dissipating heat of the battery cell component in the shell, and continuous operation of the battery cell component is facilitated.

Description

Battery equipment

Technical Field

The utility model relates to the technical field of batteries, in particular to battery equipment.

Background

Since the operating temperature can affect the performance, reliability, life, etc. of the power battery, the power battery needs to have good heat dissipation performance to ensure that the power battery safely and stably supplies electric energy.

Patent number CN 214505596U's patent discloses a heat dissipation casing and battery, this heat dissipation casing is used for holding electric core group and BMS subassembly, BMS subassembly sets up in the upper end of electric core group, heat dissipation casing includes case lid and lower box, the case lid has first storage chamber, the case lid closes in lower box, lower box has the second storage chamber, first storage chamber and second storage chamber all are filled with heat absorbing material, although this heat dissipation casing realizes natural heat dissipation through heat absorbing material, simple structure, but it still has heat absorbing material's heat absorption volume limited, unable preferred continuously dispels the heat, thereby influence the use of battery.

Disclosure of Invention

In order to solve the technical problems that the heat absorption amount of the heat absorbing material provided in the background art is limited, and continuous heat dissipation cannot be performed well, so that the use of a battery is affected, the utility model provides battery equipment.

The utility model adopts the following technical scheme for realizing the purposes:

the battery equipment comprises a shell, a battery cell assembly and a top cover plate, wherein a containing cavity with an opening at the upper end is arranged in the shell, and the top cover plate is used for packaging the battery cell assembly in the containing cavity;

the side wall of the shell is internally provided with a cavity with an opening at the upper end along the periphery, the periphery of the shell is internally provided with a baffle plate for separating the cavity into an energy absorption cavity positioned at the outer side and a heat dissipation cavity positioned at the inner side, the periphery of the shell is uniformly distributed with heat conducting fins in the heat dissipation cavity, the lower end part of the shell is provided with a mounting cavity with an opening at the lower end, the opening of the mounting cavity is provided with a bottom cover plate, the shell is characterized in that the side wall of the shell is provided with a lower vent hole communicated with the installation cavity and an upper vent hole communicated with the energy absorption cavity, the bottom wall of the heat dissipation cavity is provided with a notch communicated with the installation cavity, the side wall of the heat dissipation cavity is provided with a through hole communicated with the energy absorption cavity and positioned at the upper end part, and the installation cavity is internally provided with a blast assembly used for blowing air in the installation cavity into the heat dissipation cavity.

Preferably, the air blast assembly comprises a mounting cover arranged in the mounting cavity, the mounting cover is used for dividing the mounting cavity into an upper cavity communicated with the notch and a lower cavity communicated with the lower air hole, a mounting cylinder is arranged in the middle of the mounting cover, and the bottom cover plate is used for abutting against the mounting cylinder to realize the mounting of the mounting cover in the mounting cavity; the side of the installation cylinder is uniformly provided with an upper ventilation groove communicated with the upper cavity and a lower ventilation groove communicated with the lower cavity along the circumferential direction of the installation cylinder, the installation cylinder is internally provided with a rotatable fan through an installation frame, and the fan is used for sucking gas in the lower cavity into the upper cavity.

Preferably, the mounting frame comprises a mounting plate and a mounting plate, wherein the mounting plate is axially arranged along the mounting plate, and a motor for driving the fan to rotate is arranged on the mounting plate; the mounting cylinder is characterized in that a clamping groove for clamping the corresponding mounting plate is formed in the side wall of the mounting cylinder, the clamping groove comprises a vertical groove and a horizontal groove, and the mounting plate slides into the horizontal groove from the vertical groove to be used for mounting the mounting frame in the mounting cylinder.

Preferably, the upper end wall of the mounting barrel is provided with a stepped hole communicated with the vertical groove, and a positioning pin for limiting the mounting plate in the corresponding horizontal groove is arranged in the stepped hole.

Preferably, the top cover plate is provided with a convex block clamped in the openings of the corresponding energy absorption cavity and the heat dissipation cavity.

Preferably, a stepped groove for installing the battery cell assembly is formed in the opening of the accommodating cavity.

In summary, the utility model has the following advantages;

1. according to the utility model, through the arrangement of the heat dissipation cavity, the heat conducting fin and the air blowing component, the air blowing component can blow the air in the installation cavity into the heat dissipation cavity to form the heat dissipation airflow flowing through the heat conducting fin, so that the shell can be used for continuously dissipating heat of the battery cell component in the shell, and the continuous operation of the battery cell component is facilitated.

2. According to the utility model, through the arrangement of the stepped hole, the locating pin, the vertical groove, the horizontal groove and the mounting plate, the locating pin can be inserted into the stepped hole and extend into the vertical groove, the mounting plate is preferably limited in the horizontal groove, the mounting of the mounting frame in the mounting barrel is preferably realized, namely, the fan is preferably convenient to mount, and meanwhile, the locating pin can be taken out of the stepped hole by taking out the mounting cover, the limitation of the mounting plate is relieved, and the dismounting and the replacement of the fan in the mounting barrel are preferably realized.

Drawings

Fig. 1 is a schematic view of a battery device according to the present utility model.

Fig. 2 is a schematic view of an exploded structure of a battery device according to the present utility model.

Fig. 3 is a schematic cross-sectional view of a housing in the present utility model.

Fig. 4 is an enlarged view of fig. 3 at a in accordance with the present utility model.

Fig. 5 is a schematic view of the structure of the blower assembly of the present utility model.

Fig. 6 is a schematic view of the structure of the mounting cylinder in the present utility model.

Reference numerals illustrate:

100. a housing; 101. a lower ventilation hole; 102. an air hole is formed; 110. a top cover plate; 120. a bottom cover plate; 200. a cell assembly; 210. a blower assembly; 300. a partition plate; 301. a receiving chamber; 302. a mounting cavity; 3021. an upper chamber; 3022. a lower cavity; 303. a notch; 310. a mounting cover; 320. a mounting cylinder; 411. an energy absorption cavity; 412. a heat dissipation cavity; 413. a heat conductive sheet; 414. a through hole; 421. a bump; 431. a stepped groove; 511. an upper ventilation groove; 512. a lower ventilation groove; 513. a vertical slot; 514. a horizontal slot; 515. a stepped hole; 520. a fan; 530. a mounting plate; 531. a mounting plate; 532. a motor; 540. and (5) positioning pins.

Detailed Description

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings and examples. It is to be understood that the examples are illustrative of the present utility model and are not intended to be limiting.

The present utility model is described in further detail below with reference to fig. 1-6.

The embodiment of the utility model discloses battery equipment.

As shown in fig. 1-3, a battery device in this embodiment includes a housing 100, a battery cell assembly 200, and a top cover plate 110, where an accommodating cavity 301 with an open upper end is provided in the housing 100, and the top cover plate 110 is used to encapsulate the battery cell assembly 200 in the accommodating cavity 301;

in practical use, the battery cell assembly 200 is composed of a plurality of battery cells arranged side by side, which is uniform in the prior art, and therefore will not be described herein; wherein, the battery cell assembly 200 is accommodated in the accommodating cavity 301, and the top cover plate 110 is embedded in the upper end portion of the housing 100, for fixedly encapsulating the battery cell assembly 200 in the accommodating cavity 301; wherein, the opening of the accommodating cavity 301 is provided with a step groove 431 for facilitating the installation of the battery cell assembly 200, and the battery cell assembly 200 can be preferably assembled in the accommodating cavity 301 in a sealing manner by matching with the top cover plate 110.

In this embodiment, as shown in fig. 4, a cavity with an opening at the upper end is disposed along the periphery of the sidewall of the housing 100, a partition 300 for dividing the cavity into an energy absorbing cavity 411 located at the outer side and a heat dissipating cavity 412 located at the inner side is disposed along the periphery of the housing 100 in the cavity 100, heat conducting fins 413 are uniformly distributed along the periphery of the housing 100 in the heat dissipating cavity 412, a mounting cavity 302 with an opening at the lower end of the housing 100 is disposed, a bottom cover plate 120 is disposed at the opening of the mounting cavity 302, a lower ventilation hole 101 communicating with the mounting cavity 302 and an upper ventilation hole 102 communicating with the energy absorbing cavity 411 are disposed on the sidewall of the housing 100, a notch 303 communicating with the mounting cavity 302 is disposed on the sidewall of the heat dissipating cavity 412 and a through hole 414 communicating with the energy absorbing cavity 411 is disposed at the upper end of the bottom wall of the heat dissipating cavity 412, and a blower assembly 210 for blowing air in the mounting cavity 302 into the heat dissipating cavity 412 is disposed in the mounting cavity 302.

In this embodiment, through the arrangement of the heat dissipation cavity 412, the mounting cavity 302, the lower air hole 101, the notch 303 and the through hole 414, when the housing 100 is in actual use, air outside the housing 100 can enter the mounting cavity 302 from the lower air hole 101 and flow into the heat dissipation cavity 412 from the notch 303, the air entering the heat dissipation cavity 412 can move upwards, and the air entering the energy absorption cavity 411 from the through hole 414, so that air flow passing through the heat dissipation cavity 412 is preferably formed, and because the heat dissipation cavity 412 is arranged close to the accommodating cavity 301, the air flow passing through the heat dissipation cavity 412 can dissipate heat generated by the battery cell assembly 200 in the accommodating cavity 301, compared with the existing natural heat dissipation mode realized by heat absorption materials, the heat dissipation mode can continuously dissipate heat of the battery cell assembly 200 in the accommodating cavity 301, thereby being convenient for long-term use of the battery device;

the heat generated by the battery cell assembly 200 can be transferred to the heat conducting fin 413 through the arrangement of the heat conducting fin 413, so that the air flow flowing in the heat dissipation cavity 412 exchanges heat with the heat conducting fin 413, and the air flow preferably takes away the heat on the heat conducting fin 413, thereby promoting the heat dissipation of the battery cell assembly 200 by the housing 100;

through the arrangement of the energy absorption cavity 411, the energy absorption cavity 411 is positioned at the outermost side of the shell 100 when the shell 100 is in actual use, so that the outer wall of the shell 100 cannot interfere with the partition plate 300 positioned in the cavity when being stressed and deformed, and the buffering effect of the shell 100 is improved to a certain extent;

by the arrangement of the blower assembly 210, the blower assembly 210 can preferably blow the air in the mounting cavity 302 into the heat dissipation cavity 412, thereby preferably promoting the air flow to form heat dissipation air flow, and further enhancing the heat dissipation effect of the housing 100;

in this embodiment, through the arrangement of the upper air holes 102, the air flowing into the energy absorbing cavity 411 from the heat dissipating cavity 412 can flow out, so that the heat dissipating airflow flowing in the housing 100 is preferably facilitated, and the heat dissipating effect is better.

Referring to fig. 4-6, in this embodiment, the blower assembly 210 includes a mounting cover 310 disposed in the mounting cavity 302, the mounting cover 310 is configured to partition the mounting cavity 302 into an upper cavity 3021 that communicates with the slot 303 and a lower cavity 3022 that communicates with the lower ventilation hole 101, a mounting cylinder 320 is disposed in a middle portion of the mounting cover 310, and the bottom cover board 120 is configured to abut against the mounting cylinder 320 to implement mounting of the mounting cover 310 in the mounting cavity 302; the side of the installation cylinder 320 is uniformly provided with an upper ventilation groove 511 communicated with the upper cavity 3021 and a lower ventilation groove 512 communicated with the lower cavity 3022 along the circumferential direction thereof, the installation cylinder 320 is internally provided with a rotatable fan 520 through an installation frame, and the fan 520 is used for sucking gas in the lower cavity 3022 into the upper cavity 3021.

In practical use, the mounting barrel 320 can be integrally formed in the mounting cover 310, when the bottom cover plate 120 is embedded in the opening of the mounting cavity 302, the plate surface of the bottom cover plate 120 abuts against the lower end of the mounting barrel 320, so that the mounting cover 310 is mounted and fixed in the mounting cavity 302, and in the practical use process, the upper end of the mounting barrel 320 abuts against the upper side wall of the mounting cavity 302, so that the mounting barrel 320 supports the bottom wall of the accommodating cavity 301, and the fixing effect of the battery cell assembly 200 in the accommodating cavity 301 is better;

wherein, the opening of the mounting cover 310 is upward arranged to divide the mounting cavity 302, the upper end part thereof forms an upper cavity 3021 communicated with the heat dissipation cavity 412, the lower end part forms a lower cavity 3022 communicated with the outside of the housing 100, wherein, by arranging the upper ventilation groove 511 and the lower ventilation groove 512, the mounting cylinder 320 can realize the communication between the upper cavity 3021 and the lower cavity 3022, and meanwhile, the structure can preferably prevent water from entering the heat dissipation cavity 412, wherein, by arranging the fan 520, when the fan 520 is mounted in the mounting cylinder 320 through the mounting frame, the air in the lower cavity 3022 can flow into the upper cavity 3021 by upward blowing, and the air enters the heat dissipation cavity 412 through the notch 303, thereby promoting the air in the mounting cavity 302 to flow into the heat dissipation cavity 412, and the heat dissipation effect of the housing 100 is better.

Referring to fig. 6, in this embodiment, the mounting rack includes a mounting plate 530 and a mounting plate 531 disposed along an axial direction of the mounting plate 530, and a motor 532 for driving the fan 520 to rotate is mounted on the mounting plate 530; the side wall of the installation cylinder 320 is provided with a clamping groove for clamping a corresponding installation plate 531, the clamping groove comprises a vertical groove 513 and a horizontal groove 514, and the installation plate 531 slides into the horizontal groove 514 from the vertical groove 513 to be used for installing the installation frame in the installation cylinder 320.

In this embodiment, the fan 520 is driven to rotate by the motor 532, so as to preferably promote the flow of the air and improve the heat dissipation effect of the housing 100; wherein, through the setting of horizontal groove 514 and vertical groove 513 for during in-service use, the outer end of mounting panel 531 by corresponding vertical groove 513 slide into horizontal groove 514 in, realized the installation of mounting bracket in installation section of thick bamboo 320 preferably, simultaneously, slide into vertical groove 513 and follow vertical groove 513 with the outer end of mounting panel 531 by horizontal groove 514 and slide out, realized the dismouting of mounting bracket in installation section of thick bamboo 320 preferably, thereby the fan in the installation section of thick bamboo 320 of being convenient for is dismantled and is changed preferably.

In this embodiment, as shown in fig. 6, the upper end wall of the mounting cylinder 320 is provided with a stepped hole 515 communicating with the vertical groove 513, and a positioning pin 540 for limiting the mounting plate 531 in the horizontal groove 514 is provided in the stepped hole 515.

In this embodiment, the stepped hole 515 includes a through hole portion and a stepped portion located above the through hole portion, the positioning pin 540 includes a rod inserting portion extending into the vertical slot 513 through the through hole portion and a limiting block portion located in the stepped portion, the limiting block portion cooperates with the stepped portion to enable the positioning pin 540 to be installed in the stepped hole 515, when the positioning pin is in actual use, the upper end portion of the mounting barrel 320 abuts against the upper side wall of the mounting cavity 302, that is, the stepped hole 515 is blocked, the positioning pin 540 can be preferably fixed in the stepped hole 515, and extends into the vertical slot 513 to limit the mounting plate 531, so that the mounting plate 531 located in the horizontal slot 514 is prevented from sliding into the vertical slot 513, fixing of the mounting frame in the mounting barrel 320 is preferably achieved, when the mounting barrel 320 is taken out of the mounting cavity 302, blocking of the stepped hole 515 is released, the positioning pin 540 can be taken out of the stepped hole 515, and the mounting plate 531 can be slid into the vertical slot and slid out, and the mounting frame 531 is preferably replaced.

In this embodiment, as shown in fig. 4, the top cover plate 110 is provided with a bump 421 that is snapped into the openings of the energy absorbing cavity 411 and the heat dissipating cavity 412.

Through the arrangement of the protruding block 421 in this embodiment, the protruding block 421 is clamped into the openings of the energy absorbing cavity 411 and the heat dissipating cavity 412, so that the side walls of the openings of the two can be preferably supported, the strength of the housing 100 is preferably enhanced, and the use is facilitated.

Working principle: when the battery cell assembly 200 in the battery device works, the motor 532 drives the fan 520 to rotate, air in the installation cavity 302 is blown into the heat dissipation cavity 412, preferably, heat dissipation airflow flowing through the heat conducting fins 413 is formed, so that the battery cell assembly 200 is preferably subjected to continuous heat dissipation, when the fan 520 needs to be replaced, the bottom cover plate 120 is removed, the installation cover 310 is taken out, the positioning pins 540 are taken out, the installation plate 531 is rotated to slide into the vertical groove 513 from the vertical groove 513, the fan 520 is preferably dismounted, after the new fan 520 is replaced, the installation plate 531 on the installation plate 531 is slid into the horizontal groove 514 from the vertical groove 513, the installation of the fan 520 is preferably realized, then the positioning pins 540 are inserted into the stepped holes 515, and the installation cover 310 is installed in the installation cavity 302 through the bottom cover plate 120, so that the replacement of the fan 520 is preferably realized.

In summary, the foregoing description is only of the preferred embodiments of the present utility model, and all equivalent changes and modifications made in accordance with the claims should be construed to fall within the scope of the utility model.

Claims

1. A battery device characterized in that: the battery cell module comprises a shell (100), a battery cell module (200) and a top cover plate (110), wherein an accommodating cavity (301) with an opening at the upper end is arranged in the shell (100), and the top cover plate (110) is used for packaging the battery cell module (200) in the accommodating cavity (301);

the utility model discloses a heat dissipation device, including casing (100) and heat dissipation cavity (412), be equipped with upper end open-ended cavity along its week in the lateral wall of casing (100), be equipped with in the cavity along casing (100) all around and be used for separating the cavity into energy-absorbing cavity (411) that are located the outside and baffle (300) that are located inboard heat dissipation cavity (412), evenly laid conducting strip (413) around along casing (100) in heat dissipation cavity (412), the lower tip department of casing (100) is equipped with lower extreme open-ended installation cavity (302), installs end apron (120) in the opening part of installation cavity (302), be equipped with lower bleeder vent (101) and the last bleeder vent (102) of intercommunication energy-absorbing cavity (411) of intercommunication installation cavity (302) on the lateral wall of casing (100), the diapire of heat dissipation cavity (412) is equipped with notch (303) of intercommunication installation cavity (302), and be located upper end department and be equipped with in installation cavity (302) blast air cavity (412) subassembly (210).

2. A battery device according to claim 1, wherein: the air blast assembly (210) comprises a mounting cover (310) arranged in the mounting cavity (302), the mounting cover (310) is used for dividing the mounting cavity (302) into an upper cavity (3021) communicated with the notch (303) and a lower cavity (3022) communicated with the lower ventilation hole (101), a mounting cylinder (320) is arranged in the middle of the mounting cover (310), and the bottom cover plate (120) is used for abutting against the mounting cylinder (320) to realize the mounting of the mounting cover (310) in the mounting cavity (302); the side of installation section of thick bamboo (320) evenly has distributed upper ventilation groove (511) and lower ventilation groove (512) of intercommunication upper chamber (3021) and intercommunication lower chamber (3022) along its circumference, be equipped with rotatable fan (520) through the mounting bracket in the installation section of thick bamboo (320), fan (520) are used for in with the gas suction in lower chamber (3022) upper chamber (3021).

3. A battery device according to claim 2, characterized in that: the mounting frame comprises a mounting plate (530) and a mounting plate (531) axially arranged along the mounting plate (530), and a motor (532) for driving the fan (520) to rotate is mounted on the mounting plate (530); the side wall of the mounting cylinder (320) is provided with a clamping groove for clamping a corresponding mounting plate (531), the clamping groove comprises a vertical groove (513) and a horizontal groove (514), and the mounting plate (531) slides into the horizontal groove (514) from the vertical groove (513) to be used for mounting the mounting frame in the mounting cylinder (320).

4. A battery device according to claim 3, characterized in that: the upper end wall of the mounting barrel (320) is provided with a stepped hole (515) communicated with the vertical groove (513), and a positioning pin (540) used for limiting the mounting plate (531) in the corresponding horizontal groove (514) is arranged in the stepped hole (515).

5. A battery device according to claim 1, wherein: the top cover plate (110) is provided with a convex block (421) clamped in openings of the corresponding energy absorption cavity (411) and the heat dissipation cavity (412).

6. A battery device according to claim 1, wherein: the opening of the accommodating cavity (301) is provided with a step groove (431) for installing the battery cell assembly (200).