CN217544696U

CN217544696U - Energy storage type lithium ion battery pack structure with combined functions

Info

Publication number: CN217544696U
Application number: CN202220783176.9U
Authority: CN
Inventors: 马玲
Original assignee: Jiangsu Caini Technology Co ltd
Current assignee: Jiangsu Caini Technology Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-10-04
Anticipated expiration: 2032-04-06

Abstract

The utility model discloses an energy storage type lithium ion battery pack structure of function combination relates to electric power energy technical field. Including battery box and lithium cell group, fixed bolster down is installed to the inside lower extreme of battery box, and the fixed bolster is installed to the inside upper end of battery box, and lithium cell group lies in fixed bolster and last fixed bolster down, and the radiator is installed to the interior bottom of battery box, and is provided with first conducting strip between radiator and the lithium cell group. This energy storage type lithium ion battery group structure of function combination wraps up the energy storage lithium cell in the air convection space that comprises radiating fin and radiator, utilizes first conducting strip and second conducting strip directly to contact the energy storage lithium cell with radiating fin and radiator to shorten heat transfer path, improve the radiating effect, utilize the radiating method of forced circulation cooling, can effectively improve the blind spot effect that the natural circulation in-process produced, thereby make the whole temperature of lithium battery system obtain stable control.

Description

Energy storage type lithium ion battery pack structure with combined functions

Technical Field

The utility model relates to an electric power energy technical field specifically is an energy storage type lithium ion battery group structure of function combination.

Background

With the gradual popularization of environmental protection concepts, lithium energy storage batteries are no longer limited to the application of power supplies of small and medium-sized mobile devices such as mobile phones, MP3 s, MP4 s, digital cameras and notebooks as novel environmental protection energy sources which are intensively popularized all over the world, lead-acid batteries are gradually replaced, the lithium energy storage batteries become power supplies of tools such as electric tools, electric motorcycles and electric bicycles, the countries are also popularizing lithium batteries to communication base stations, high-power lithium batteries are adopted as energy storage power supplies of the communication base stations, meanwhile, the new energy sources are moved to the civil market, many families are provided with roof photovoltaic power generation systems or household small-sized wind driven generator systems, and therefore the household energy storage systems become one of the indispensable devices.

Most of the existing energy storage lithium batteries adopt a natural cooling heat dissipation mode, the problem that the heat dissipation is insufficient may exist, namely, a dead zone is formed in a place with poor fluidity, heat in the dead zone cannot be fully exchanged and dissipated, a local high-temperature hot spot can be formed, the local temperature is too high, and a good heat dissipation effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The utility model provides an energy storage type lithium ion battery group structure of function combination to solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an energy storage type lithium ion battery group structure of function combination, includes battery box and lithium cell group, the fixed bolster is installed down to the inside lower extreme of battery box, the fixed bolster is installed to the inside upper end of battery box, lithium cell group is arranged in fixed bolster and last fixed bolster down, the radiator is installed to the interior bottom of battery box, and is provided with first conducting strip between radiator and the lithium cell group, radiating fin is installed all around to the inside of battery box, and is provided with the second conducting strip between radiating fin and the lithium cell group, install the heat pipe on the radiating fin, and the other end of heat pipe is connected with the radiator, the case lid is installed at the top of battery box.

Furthermore, install power management module in the case lid, and power management module and lithium cell group and radiator electric connection.

Furthermore, a wiring port is installed at the top of the box cover and is electrically connected with the lithium battery pack through the power management module.

Furthermore, an interlayer is reserved between the lower fixing support and the battery box, and the radiating fins are located in the interlayer.

Furthermore, the upper parts of the radiating fins extend to the top of the interlayer, and a mesh cover is laid on the upper parts of the radiating fins.

Furthermore, the bottom of battery box is equipped with the spacing groove, and the spacing inslot is installed the rubber filler strip.

Compared with the prior art, the utility model provides an energy storage type lithium ion battery group structure of function combination possesses following beneficial effect:

this energy storage type lithium ion battery group structure of function combination wraps up the energy storage lithium cell in the air convection space that comprises radiating fin and radiator, utilizes first conducting strip and second conducting strip directly to contact the energy storage lithium cell with radiating fin and radiator to shorten heat transfer path, improve the radiating effect, utilize the radiating method of forced circulation cooling, can effectively improve the blind spot effect that the natural circulation in-process produced, thereby make the whole temperature of lithium battery system obtain stable control.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial view of the present invention;

fig. 3 is a top view of the present invention.

In the figure: 1. a battery box; 2. a lithium battery pack; 3. a lower fixed bracket; 4. an upper fixing bracket; 5. a heat sink; 6. a first heat-conductive sheet; 7. a heat dissipating fin; 8. a second thermally conductive sheet; 9. a heat conducting pipe; 10. a box cover; 11. a power management module; 12. a wiring port; 13. an interlayer; 14. a mesh cover; 15. a limiting groove; 16. rubber packing strips.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model discloses an energy storage type lithium ion battery group structure of function combination, including battery box 1 and lithium cell group 2, fixed bolster 3 is installed down to the inside lower extreme of battery box 1, fixed bolster 4 is installed to the inside upper end of battery box 1, lithium cell group 2 is arranged in fixed bolster 3 and last fixed bolster 4 down, radiator 5 is installed to the interior bottom of battery box 1, and is provided with first conducting strip 6 between radiator 5 and the lithium cell group 2, install radiating fin 7 around the inside of battery box 1, and is provided with second conducting strip 8 between radiating fin 7 and the group lithium cell 2, install heat pipe 9 on radiating fin 7, and the other end of heat pipe 9 is connected with radiator 5, wraps up the energy storage lithium cell in the air convection space that constitutes by radiating fin 7 and radiator 5, utilizes first conducting strip 6 and second conducting strip 8 directly to contact energy storage lithium cell with radiating fin 7 and radiator 5 to shorten heat transfer route, improve the radiating effect, utilizes the method of forced circulation cooling, can effectively improve the dead zone that the circulation process produced, thereby the whole temperature that makes the battery box cover 1 obtain the stable control system 10.

Specifically, a power management module 11 is installed in the case cover 10, and the power management module 11 is electrically connected with the lithium battery pack 2 and the radiator 5.

In this embodiment, the power management module 11 is used for control and protection, because this is related to the stability, continuity and fast recovery capability of the whole system.

Specifically, a wiring port 12 is installed at the top of the case cover 10, and the wiring port 12 is electrically connected with the lithium battery pack 2 through a power management module 11.

In this embodiment, the connection port 12 is a conventional configuration of the lithium battery pack 2 for connection to an electrical device.

Specifically, an interlayer 13 is reserved between the lower fixing support 3 and the battery box 1, and the upper fixing support 4 and the battery box 1, and the heat dissipation fins 7 are located in the interlayer 13.

In this embodiment, intermediate layer 13 is used for radiating fin 7's installation, makes lithium cell group 2 not simultaneously with box direct contact, at the in-process of external force collision, is difficult for damaging lithium cell group 2.

Specifically, the upper part of the heat dissipation fin 7 extends to the top of the interlayer 13, and a mesh cover 14 is laid on the upper part of the heat dissipation fin 7.

In this embodiment, wrap up the energy storage lithium cell in the air convection space that comprises radiating fin 7 and radiator 5, utilize first conducting strip 6 and second conducting strip 8 directly to contact energy storage lithium cell and radiating fin 7 and radiator 5 to shorten heat transfer route, improve the radiating effect.

Specifically, the bottom of the battery box 1 is provided with a limiting groove 15, and a rubber gasket strip 16 is arranged in the limiting groove 15.

In this embodiment, the rubber strip 16 is used to play a role of buffering protection, and prevent the box body from directly contacting with the ground or the surface of an object.

When the energy storage lithium battery cooling system is used, the energy storage lithium battery is wrapped in an air convection space formed by the radiating fins 7 and the radiator 5, the energy storage lithium battery is directly contacted with the radiating fins 7 and the radiator 5 by the aid of the first heat conducting fins 6 and the second heat conducting fins 8, so that a heat transfer path is shortened, a heat dissipation effect is improved, a dead zone effect generated in a natural circulation process can be effectively improved by a forced circulation cooling heat dissipation method, and accordingly the overall temperature of the lithium battery system is stably controlled.

To sum up, the energy storage lithium battery pack structure with the function combination wraps the energy storage lithium battery in the air convection space formed by the heat dissipation fins 7 and the heat dissipation device 5, and the energy storage lithium battery is directly contacted with the heat dissipation fins 7 and the heat dissipation device 5 by using the first heat conduction fins 6 and the second heat conduction fins 8, so that the heat transfer path is shortened, the heat dissipation effect is improved, the dead zone effect generated in the natural circulation process can be effectively improved by using the method of forced circulation cooling heat dissipation, and the whole temperature of the lithium battery system is stably controlled.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. The utility model provides an energy storage type lithium ion battery group structure of functional combination, includes battery box (1) and lithium cell group (2), its characterized in that: fixed bolster (3) down are installed to the inside lower extreme of battery box (1), fixed bolster (4) are installed to the inside upper end of battery box (1), lithium cell group (2) are arranged in fixed bolster (3) and last fixed bolster (4) down, radiator (5) are installed to the interior bottom of battery box (1), and are provided with first conducting strip (6) between radiator (5) and lithium cell group (2), install radiating fin (7) around the inside of battery box (1), and be provided with second conducting strip (8) between radiating fin (7) and lithium cell group (2), install heat pipe (9) on radiating fin (7), and the other end of heat pipe (9) is connected with radiator (5), case lid (10) are installed at the top of battery box (1).

2. The functionally combined energy storage lithium ion battery pack structure of claim 1, wherein: install power management module (11) in case lid (10), and power management module (11) and lithium cell group (2) and radiator (5) electric connection.

3. The functionally combined energy storage lithium ion battery pack structure of claim 2, wherein: the top of case lid (10) is installed wiring port (12), and wiring port (12) pass through power management module (11) and lithium cell group (2) electric connection.

4. The functionally combined energy storage lithium ion battery pack structure of claim 1, wherein: an interlayer (13) is reserved between the lower fixing support (3) and the upper fixing support (4) and the battery box (1), and the radiating fins (7) are located in the interlayer (13).

5. The functionally combined energy storage lithium ion battery pack structure of claim 4, wherein: the upper parts of the radiating fins (7) extend to the top of the interlayer (13), and mesh covers (14) are laid on the upper parts of the radiating fins (7).

6. The functionally combined energy storage lithium ion battery pack structure of claim 1, wherein: the bottom of battery box (1) is equipped with spacing groove (15), and installs rubber filler strip (16) in spacing groove (15).