CN218218114U

CN218218114U - Cooling device of energy storage cabinet

Info

Publication number: CN218218114U
Application number: CN202222268831.XU
Authority: CN
Inventors: 吴鑫华
Original assignee: Suzhou Beifeng Intelligent Technology Co ltd
Current assignee: Suzhou Beifeng Intelligent Technology Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-01-03
Anticipated expiration: 2032-08-26

Abstract

The utility model discloses a cooling device of energy storage cabinet, including water-cooling board and a plurality of heat-conducting plate, the water-cooling board sets up in the bottom of a plurality of electric cores, and is a plurality of the heat-conducting plate sets up between a plurality of electric core outside both sides and two adjacent electric cores, and is a plurality of the bottom of heat-conducting plate with the water-cooling board butt. The utility model discloses a set up the water-cooling board bottom a plurality of electric cores, can be fast for electric core cooling, set up the heat-conducting plate simultaneously between a plurality of electric core outside both sides and adjacent electric core, the heat-conducting plate can be with the heat quick transfer water-cooling board of electric core side to the difference in temperature between each electric core in the group battery is eliminated fast.

Description

Cooling device of energy storage cabinet

Technical Field

The utility model belongs to the technical field of cooling arrangement, concretely relates to cooling device of energy storage cabinet.

Background

In recent years, with the development of science and technology and the consumption of fossil energy, wind power generation and solar power generation are gradually developed and are more and more widely applied. Because wind energy and solar energy have irregularity, wind power generation and solar energy power generation need be stored in the energy storage cabinet before merging into the electric wire netting, insert the electric wire netting after waiting to store certain electric quantity.

The energy storage cabinet mainly comprises a cabinet body and a plurality of battery packs arranged in the cabinet body, wherein each battery pack consists of a plurality of battery cores. In the charge and discharge process of the battery pack, the battery core can generate heat, so that the temperature of the battery pack is high, the temperature of each part in the cabinet body is uneven, the energy storage efficiency of the energy storage cabinet is reduced due to high temperature and temperature difference, and the service life of the battery is shortened.

The cooling mode of the existing energy storage cabinet is natural cooling or air cooling, the natural cooling does not have any cooling measure, the natural cooling is carried out by totally depending on the external environment, and the cooling efficiency is extremely low. The air cooling is affected by wind field, and can only blow to local part and surface, thus reducing the temperature of the local part and the surface and not solving the problems of overall temperature and temperature difference.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cooling device of energy storage cabinet can be for electric core cooling fast, and can eliminate the difference in temperature between each electric core in the group battery fast.

In order to achieve the purpose of the utility model, the utility model adopts the technical proposal that: the utility model provides a cooling device of energy storage cabinet, includes water-cooling board and a plurality of heat-conducting plate, the water-cooling board sets up in the bottom of a plurality of electricity cores, and is a plurality of the heat-conducting plate sets up between a plurality of electricity core outside both sides and two adjacent electricity cores, and is a plurality of the bottom of heat-conducting plate with the water-cooling board butt.

Further, the water-cooling board includes runner plate, apron, runner, the interface of intaking and goes out the water interface, the runner plate with apron fixed connection, be equipped with a plurality ofly on the runner plate the runner, the interface of intaking with go out the water interface respectively with the head end-to-end connection of runner.

Furthermore, the density of the runners distributed at different positions of the runner plate is different; the density of the runners distributed at different positions of the runner plate is determined according to the cell temperatures at different positions, and when the cell temperature at the position is high, the distribution density of the runners at the position is high; and when the cell temperature at the position is low, the distribution density of the flow channels at the position is low.

Furthermore, the material of the runner plate and the cover plate is an alloy material.

Furthermore, the material of runner plate and apron is the aluminum alloy material.

Further, insulating coatings are coated on the runner plate, the cover plate and the heat conducting plate.

Furthermore, a temperature sensor is arranged on the heat conducting plate, and the temperature sensor is arranged at the position, close to the electric core, of the heat conducting plate, where the heat conducting plate generates heat.

Furthermore, the cooling device further comprises a flow control device and a temperature control device, wherein the flow control device comprises a control valve, the control valve is arranged on a connecting pipeline of the water cooling plate and the cooling liquid, and the control valve is connected with the temperature control device.

Further, the temperature control device comprises a heating device and a temperature control system, and the temperature control system is electrically connected with the temperature sensor, the control valve and the heating device respectively.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

1. the water cooling plates are arranged at the bottoms of the plurality of battery cells, so that the battery cells can be rapidly cooled, and meanwhile, the heat conducting plates are arranged on two sides outside the plurality of battery cells and between the adjacent battery cells and can rapidly transfer heat on the side surfaces of the battery cells to the water cooling plates, so that the temperature difference between the battery cells in the battery pack is rapidly eliminated;

2. the distribution density of the flow channels of the water cooling plate at different positions is determined by the temperature of the battery core at the position, and the flow channel density is large at a high temperature place and small at a low temperature place, so that the temperature difference of the whole energy storage cabinet is uniform and small;

3. the temperature control system, the temperature sensor, the heating device and the control valve form a closed-loop control system, and the temperature control system respectively controls the heating device and the control valve according to the temperature sensor so that the temperature of the energy storage cabinet can still be kept constant or within a set temperature range under the condition that the external environment changes.

Drawings

Fig. 1 is a schematic structural diagram of a cooling device of an energy storage cabinet according to the present invention;

FIG. 2 is a schematic structural view of the water-cooling plate of the present invention;

fig. 3 is a schematic diagram of the connection of the temperature control system of the present invention.

Wherein: 1. a water-cooling plate; 11. a runner plate; 12. a cover plate; 13. a flow channel; 14. a water inlet interface; 15. A water outlet interface; 2. a heat conducting plate; 20. a temperature sensor; 3. a control valve; 4. a temperature control system; 5. a heating device;

A. and (5) battery cores.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and the detailed description, wherein the drawings are simplified and only schematically illustrate the basic structure of the present invention, so that it only shows the components related to the present invention, and it should be noted that the embodiments and features of the embodiments in the present application can be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

Referring to fig. 1-3, a cooling device for an energy storage cabinet includes a water-cooling plate 1 and a plurality of heat-conducting plates 2.

The water cooling plate 1 is arranged at the bottom of the plurality of battery cores A, the water cooling plate 1 comprises a runner plate 11, a cover plate 12, a runner 13, a water inlet interface 14 and a water outlet interface 15, the runner plate 11 is fixedly connected with the cover plate 12, and the runner plate 11 is provided with the runner 13. The density of the runners 13 distributed at different positions of the runner plate 11 is different, the density of the runners 13 distributed at different positions of the runner plate 11 is determined according to the temperature of the battery cell a at different positions, the distribution density of the runners 13 is high at positions with high temperature of the battery cell a, the distribution density of the runners 13 is high at positions with low temperature of the battery cell a, and the distribution density of the runners 13 is low. The head end and the tail end of the flow channel 13 are respectively connected with a water inlet interface 14 and a water outlet interface 15, cooling liquid flows into the flow channel 13 through the water inlet interface 14 to exchange heat with the battery cell A, and flows out of the water outlet interface 15 after the heat exchange is finished.

The flow field plate 11 and the cover plate 12 are made of an alloy, and preferably, the flow field plate 11 and the cover plate 12 are made of an aluminum alloy.

Insulating coating has been coated on flow board 11 and apron 12, avoids being punctured at electric core A discharge process water-cooling board 1, and insulating coating still can make not have the comdenstion water on the water-cooling board 1 simultaneously to guarantee the drying and the safety of energy storage cabinet.

A plurality of heat-conducting plates 2 distribute between the outside both sides of a plurality of electricity core A and two adjacent electricity core A, the bottom and the 1 butt of water-cooling board of a plurality of heat-conducting plates 2. The heat conducting plate 2 is made of a metal material with a high heat conductivity coefficient and is used for transferring heat on the side surface of the battery to the water cooling plate 1. The heat conducting plate 2 is coated with an insulating coating, the heat conducting plate 2 is provided with a temperature sensor 20, and the temperature sensor 20 is arranged at the position, close to the electric core A, of the heat conducting plate 2.

The cooling device further comprises a flow control device and a temperature control device, the flow control device comprises a control valve 3, and the control valve 3 is arranged on a connecting pipeline of the water inlet interface 14 of the water cooling plate 1 so as to control the flow of the cooling liquid flowing into the water cooling plate 1. The temperature control device comprises a heating device 5 and a temperature control system 4, the heating device 5 is used for heating cooling liquid, the temperature control system 4 is respectively electrically connected with the heating device 5, the temperature sensor 20 and the control valve 3, and the temperature control system 4 controls the opening and closing of the heating device 5 and the opening of the control valve 3 according to the temperature of the battery core A measured by the temperature sensor 20, so that the temperature of the energy storage cabinet is kept constant or within a set range.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific cases.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the above-described embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a cooling device of energy storage cabinet which characterized in that:

including water-cooling board and a plurality of heat-conducting plate, the water-cooling board sets up in the bottom of a plurality of electricity cores, and is a plurality of the heat-conducting plate sets up between a plurality of electricity core outside both sides and two adjacent electricity cores, and is a plurality of the bottom of heat-conducting plate with the water-cooling board butt.

2. The cooling apparatus for an energy storage cabinet according to claim 1, wherein:

the water-cooling plate comprises a runner plate, a cover plate, runners, a water inlet interface and a water outlet interface, the runner plate is fixedly connected with the cover plate, the runner plate is provided with a plurality of runners, and the water inlet interface and the water outlet interface are respectively connected with the head end and the tail end of each runner.

3. The cooling apparatus for an energy storage cabinet according to claim 2, wherein:

the density of the flow channels distributed at different positions of the flow channel plate is different;

the density of the runners distributed at different positions of the runner plate is determined according to the cell temperatures at different positions, and when the cell temperature at the position is high, the distribution density of the runners at the position is high; and when the cell temperature at the position is low, the distribution density of the flow channels at the position is low.

4. The cooling apparatus for an energy storage cabinet according to claim 2, wherein:

the flow passage plate and the cover plate are made of alloy materials.

5. The cooling apparatus for energy storage cabinet according to claim 4, wherein:

the runner plate and the cover plate are made of aluminum alloy materials.

6. The cooling apparatus for an energy storage cabinet according to claim 2, wherein:

insulating coatings are coated on the runner plate, the cover plate and the heat conducting plate.

7. The cooling apparatus for an energy storage cabinet according to claim 1, wherein:

the heat-conducting plate is provided with a temperature sensor, and the temperature sensor is arranged at the position where the heat-conducting plate is close to the electric core to generate heat.

8. The cooling apparatus for an energy storage cabinet of claim 7, wherein:

the cooling device further comprises a flow control device and a temperature control device, the flow control device comprises a control valve, the control valve is arranged on a connecting pipeline of the water cooling plate and the cooling liquid, and the control valve is connected with the temperature control device.

9. The cooling apparatus for an energy storage cabinet of claim 8, wherein:

the temperature control device comprises a heating device and a temperature control system, and the temperature control system is electrically connected with the temperature sensor, the control valve and the heating device respectively.