CN215991521U

CN215991521U - Energy storage power supply shell structure for improving safety of battery management system

Info

Publication number: CN215991521U
Application number: CN202122172324.1U
Authority: CN
Inventors: 黄忠东; 罗礼华; 赵金木
Original assignee: Fujian Tiancheng Times New Energy Technology Co ltd
Current assignee: Fujian Tiancheng Times New Energy Technology Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-03-08
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses an energy storage power supply shell structure for improving the safety of a battery management system, which comprises: the top cover, the bottom cover, the partition plate and the frame body; the frame body is hollow, and the top and the bottom of the frame body are provided with openings; the top cover is arranged on the opening at the top of the frame body in a covering manner, and the bottom cover is arranged on the opening at the bottom of the frame body in a covering manner; the battery pack is characterized in that the partition board is arranged in the frame body and divides the frame body into a battery cavity and a circuit board cavity, the battery cavity is used for accommodating the battery pack, and the circuit board cavity is used for accommodating the circuit board. Above-mentioned technical scheme, through the setting of baffle, will the framework divide into two cavitys, and two cavitys are used for holding circuit board and group battery respectively, prevent circuit board and 8 during operation heat fusion of group battery to avoid the further rising of shell structure internal temperature, improve shell structure's radiating efficiency simultaneously.

Description

Energy storage power supply shell structure for improving safety of battery management system

Technical Field

The utility model relates to the technical field of energy storage power supply shells, in particular to an energy storage power supply shell structure for improving the safety of a battery management system

Background

The portable energy storage power supply is a device for storing electric energy, can store the electric energy in a storage battery, and can be portable and moved to a required place to supply power and output the electric energy. In order to improve portability, a relatively high energy density is required, and a lithium battery with relatively active chemical properties is generally adopted as a portable energy storage power source. The heat is released during the charging and discharging of the lithium battery, and the safety of the lithium battery is affected by the temperature; while the circuit board will also dissipate heat when in operation. However, the conventional portable energy storage power supply has low heat dissipation efficiency because the battery and the circuit are arranged in the same cavity.

SUMMERY OF THE UTILITY MODEL

Therefore, it is desirable to provide an energy storage power supply housing structure for improving the safety of the battery management system, so as to improve the heat dissipation efficiency.

In order to achieve the above object, the present application provides an energy storage power supply housing structure for improving the safety of a battery management system, comprising: the top cover, the bottom cover, the partition plate and the frame body; the frame body is hollow, and the top and the bottom of the frame body are provided with openings; the top cover is arranged on the opening at the top of the frame body in a covering manner, and the bottom cover is arranged on the opening at the bottom of the frame body in a covering manner;

the battery pack is characterized in that the partition board is arranged in the frame body and divides the frame body into a battery cavity and a circuit board cavity, the battery cavity is used for accommodating the battery pack, and the circuit board cavity is used for accommodating the circuit board.

Further, the circuit board cavity is disposed above the battery cavity.

Furthermore, be provided with first exhaust hole on the lateral wall of circuit board cavity, just be provided with the second exhaust hole on the lateral wall of battery cavity, first exhaust hole and second exhaust hole wind are used for discharging respectively the gas in circuit board cavity and the battery cavity.

Further, still include: a first exhaust assembly and a second exhaust assembly; the first exhaust assembly is arranged in the cavity of the circuit board and is arranged on one side of the first exhaust hole; the second exhaust assembly is arranged in the battery cavity, and the second exhaust assembly is arranged on one side of the second exhaust hole.

Further, still include: the control panel, be provided with the control panel opening on the circuit board cavity lateral wall, control panel arranges in the control panel opening is interior.

Furthermore, a groove is formed in the edge of the opening of the control panel, the groove is matched with the thickness of the control panel, and the control panel is arranged in the groove.

Furthermore, a plurality of bumps are arranged on the bottom of the circuit board cavity in an array mode, and the surfaces, far away from the bottom of the circuit board cavity, of the bumps are located on the same horizontal plane.

Further, the partition plate is integrally provided with the frame body.

Furthermore, the portable electronic device also comprises a plurality of screws, and the screws sequentially penetrate through the top cover and the frame body and fix the top cover and the frame body on the bottom cover.

Be different from prior art, above-mentioned technical scheme, through the setting of baffle will the framework divide into two cavitys, and two cavitys are used for holding circuit board and group battery respectively, prevent circuit board and 8 during operation heat fusions of group battery to avoid the further rising of shell structure internal temperature, improve shell structure's radiating efficiency simultaneously.

Drawings

Fig. 1 is a structural diagram of an energy storage power supply housing for improving the safety of a battery management system;

FIG. 2 is an exploded view of the energy storage power supply housing configuration for improving the safety of the battery management system;

FIG. 3 is a view showing the structure of the spacer and the bump;

FIG. 4 is a diagram of the circuit board cavity and battery cavity;

fig. 5 is a structural view of a circuit board when the circuit board is placed in the cavity of the circuit board.

Description of reference numerals:

1. a top cover; 2. a bottom cover; 3. a partition plate; 4. a frame body; 5. a control panel; 6. a screw; 7. a circuit board; 8. a battery pack;

31. a bump;

41. a circuit board cavity; 42. a battery cavity;

411. a first exhaust assembly;

421. a second exhaust assembly.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

Referring to fig. 1 to 5, the present application discloses an energy storage power supply housing structure for improving the safety of a battery management system, including: a top cover 1, a bottom cover 2, a partition plate 3 and a frame body 4; the frame body 4 is hollow, and the top and the bottom of the frame body 4 are provided with openings; the top cover 1 is covered on the opening at the top of the frame body 4, and the bottom cover 2 is covered on the opening at the bottom of the frame body 4; the partition board 3 is arranged in the frame body 4, the frame body 4 is divided into a battery cavity 42 and a circuit board cavity 41 by the partition board 3, the battery cavity 42 is used for accommodating the battery pack 8, and the circuit board cavity 41 is used for accommodating the circuit board 7. The partition plate 3 is provided integrally with the frame body 4.

It should be noted that the top cover 1 is adapted to the opening at the top of the frame 4, and the bottom cover 2 is adapted to the opening at the bottom of the frame 4; the top cover 1 covers the top of the frame 4, and the bottom cover 2 covers the bottom of the frame 4. The partition board 3 is arranged in the frame body 4, the inside of the frame body 4 is divided into the battery cavity 42 and the circuit board cavity 41, the battery pack 8 is fixedly arranged on the bottom cover 2, the battery pack 8 is positioned in the battery cavity 42, and the circuit board 7 is arranged in the circuit board cavity 41.

It should be noted that, a connecting through hole or a connector is further disposed on the partition board 3, wherein when the connector is disposed on the partition board 3, one end of the connector is disposed in the circuit board cavity 41, and the other end of the connector is disposed in the battery cavity 42. The circuit board 7 in the circuit board cavity 41 is electrically connected with the battery pack 8 in the battery cavity 42 through a connecting through hole so as to achieve the purpose of supplying power to the circuit board 7; of course, in another embodiment, the circuit board 7 located in the circuit board cavity 41 is connected to one end of the connector, and the battery pack 8 located in the battery cavity 42 is electrically connected to the other end of the connector, so as to supply power to the circuit board 7.

It should be further explained that a plurality of limiting blocks are arranged in the circuit board cavity 41, one side of each limiting block is connected with the side wall of the circuit board cavity 41, and the other side is used for abutting against the circuit board 7; the circuit board 7 is arranged around the circuit board 7 by the limiting blocks, and the circuit board 7 is arranged in a space enclosed by the limiting blocks so as to prevent the circuit board 7 from shaking in the circuit board cavity 41. Similarly, a plurality of limiting blocks are also arranged in the circuit board cavity 41, one side of each limiting block is connected with the side wall of the battery cavity 42, and the other side of each limiting block is used for abutting against the battery pack 8; the plurality of limiting blocks are arranged around the battery pack 8, and the battery pack 8 is located in a space surrounded by the limiting blocks so as to prevent the battery pack 8 from shaking in the battery cavity 42.

In actual use, since the battery pack 8 and the circuit board 7 will generate a large amount of heat during operation, the partition plate 3 will prevent the heat from fusing to prevent further temperature rise in the case structure; meanwhile, the circuit board 7 with higher temperature is prevented from conducting the temperature to the battery pack 8 with lower temperature, so that the working efficiency of the battery pack 8 with lower temperature is ensured. Furthermore, the two cavities reduce the overall temperature and improve the heat dissipation efficiency of the shell structure.

Above-mentioned technical scheme, through the setting of baffle 3 will framework 4 divide into two cavitys, and two cavitys are used for holding circuit board 7 and group battery 8 respectively, prevent circuit board 7 and 8 during operation heat fusion of group battery to avoid the further rise of shell structure internal temperature, improve shell structure's radiating efficiency simultaneously.

Referring to fig. 3 to 4, in the present embodiment, the circuit board cavity 41 is disposed above the battery cavity 42. It should be noted that the height of the battery cavity 42 is adapted to the height of a single battery in the battery pack 8, so as to increase the volume of the circuit board cavity 41 on the upper layer; meanwhile, the lower layer is completely arranged into the battery cavity 42, so that the size of the battery pack 8 is increased, and the total electric quantity of the battery pack 8 is further increased.

Of course, in some embodiments, the battery cavity 42 and the circuit cavity may be left and right, specifically, the two cavities are separated by the partition board 3, and the battery cavity 42 is disposed at the left side of the circuit cavity.

Referring to fig. 1 to 5, in this embodiment, a first exhaust hole is disposed on a side wall of the circuit board cavity 41, and a second exhaust hole is disposed on a side wall of the battery cavity 42, and the first exhaust hole and the second exhaust hole are respectively used for exhausting gas in the circuit board cavity 41 and the battery cavity 42.

It should be noted that two opposite side walls of the circuit board cavity 41 are respectively provided with a first exhaust hole, so that the air flow in the circuit board cavity 41 circulates; similarly, a second vent hole is respectively disposed on two opposite side walls of the battery cavity 42. The first exhaust hole and the second exhaust hole are respectively used for exhausting hot air in the cavity.

Referring to fig. 3 to 5, in order to improve the exchange efficiency between the air in the air cavity and the external air, in this embodiment, the method further includes: a first exhaust assembly 411 and a second exhaust assembly 421; the first exhaust component 411 is arranged in the circuit board cavity 41, and the first exhaust component 411 is arranged on one side of the exhaust hole of the circuit board 7; the second exhaust assembly 421 is disposed in the battery cavity 42, and the second exhaust assembly 421 is disposed at one side of the exhaust hole. It should be noted that the first exhaust component 411 is disposed on one side of the first exhaust hole close to the circuit board cavity 41, and the first exhaust component 411 is used for sucking out hot air in the circuit board cavity 41 and exhausting the hot air to the outside; of course, the first exhaust component 411 may also suck the ambient air with a lower temperature into the circuit board cavity 41; the same applies to the second exhaust assembly 421.

Referring to fig. 3 to fig. 5, in the present embodiment, the method further includes: and the side wall of the circuit board cavity 41 is provided with a control panel opening, and the control panel 5 is arranged in the control panel opening. It should be noted that the control panel 5 is provided with a USB interface, a typeC interface, a power interface, a mains supply interface, a cigarette lighter, and the like.

Referring to fig. 2 and 5, in the present embodiment, a groove is disposed on an edge of the opening of the control panel, the groove is adapted to a thickness of the control panel 5, and the control panel 5 is disposed in the groove. It should be noted that the control panel 5 is detachably disposed on the frame 4; specifically, the frame body 4 is provided with the control panel opening, a groove is formed in the edge of the control panel opening, and the groove is matched with the thickness of the control panel 5, so that the control panel 5 can be arranged in the control panel opening in a sliding mode. It should be noted that the control panel opening and the opening at the top of the frame 4 are in communication with each other.

In practical use, a user inserts the control panel 5 into the control panel opening, at this time, the upper edge of the control panel 5 is flush with the upper edge of the frame 4, and the top cover 1 covers the structural top opening of the frame 4, so as to prevent the control panel 5 from sliding out of the top of the control panel opening.

Referring to fig. 2 and fig. 3, a plurality of bumps 31 are arranged on the bottom of the circuit board cavity 41 in an array manner, and the surfaces of the bumps 31 far away from the bottom of the circuit board cavity 41 are on the same horizontal plane. It should be noted that a plurality of the bumps 31 are fixedly arranged on the partition board 3, and a side surface of the plurality of the bumps 31 away from the partition board 3 is flush; that is, a side of the plurality of projections 31 away from the partition 3 is located on the same virtual plane. Specifically, when the circuit board 7 has electronic components on a side close to the partition 3, the bump 31 lifts the circuit board 7 off the partition 3 in order to prevent the electronic components from touching and damaging the partition 3. It should be noted that the plurality of projections 31 are connected by a reinforcing rib to enhance the strength of the separator 3 and the projections 31.

Referring to fig. 2 and 5, the portable electronic device further includes a plurality of screws 6, and the plurality of screws 6 sequentially pass through the top cover 1 and the frame 4, and fix the top cover 1 and the frame 4 on the bottom cover 2. In the present application, the length of the screw 6 is adapted to the height of the housing structure, that is, the screw 6 can lock the top cover 1 and the frame 4 to the bottom cover 2; through holes matched with the screws 6 are arranged on the top cover 1 and the frame body 4. And the bottom plate is provided with a threaded through hole matched with the screw 6.

Of course, in some embodiments, the top cover 1 is clamped with the frame 4, and the bottom cover 2 is clamped with the frame 4.

It should be noted that, although the above embodiments have been described herein, the utility model is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present patent.

Claims

1. The utility model provides an improve energy storage power supply shell structure of battery management system security which characterized in that includes: the top cover, the bottom cover, the partition plate and the frame body; the frame body is hollow, and the top and the bottom of the frame body are provided with openings; the top cover is arranged on the opening at the top of the frame body in a covering manner, and the bottom cover is arranged on the opening at the bottom of the frame body in a covering manner;

2. The housing structure of claim 1, wherein the circuit board cavity is disposed above the battery cavity.

3. The casing structure of energy storage power supply for improving the safety of battery management system as claimed in claim 1, wherein the side wall of the circuit board cavity is provided with a first exhaust hole, and the side wall of the battery cavity is provided with a second exhaust hole, and the first exhaust hole and the second exhaust hole are used for exhausting the gas in the circuit board cavity and the battery cavity respectively.

4. An energy storage power supply casing structure for improving the safety of a battery management system according to claim 3, further comprising: a first exhaust assembly and a second exhaust assembly; the first exhaust assembly is arranged in the cavity of the circuit board and is arranged on one side of the first exhaust hole; the second exhaust assembly is arranged in the battery cavity, and the second exhaust assembly is arranged on one side of the second exhaust hole.

5. The housing structure of an energy storage power supply for improving the safety of a battery management system according to claim 1, further comprising: the control panel, be provided with the control panel opening on the circuit board cavity lateral wall, control panel arranges in the control panel opening is interior.

6. An energy storage power supply casing structure for improving the safety of a battery management system as claimed in claim 5, wherein a groove is provided on the edge of the opening of the control panel, the groove is adapted to the thickness of the control panel, and the control panel is disposed in the groove.

7. The casing structure of energy storage power supply for improving the safety of battery management system as claimed in claim 1, wherein the bottom of the circuit board cavity is provided with a plurality of bumps in array, and the surfaces of the plurality of bumps far from the bottom of the circuit board cavity are on the same horizontal plane.

8. The housing structure of claim 1, wherein the partition is integrated with the frame.

9. The energy storage power supply casing structure for improving the safety of the battery management system according to claim 1, further comprising a plurality of screws, wherein the plurality of screws sequentially penetrate through the top cover and the frame body and fix the top cover and the frame body on the bottom cover.