CN218482303U

CN218482303U - Battery temperature control device

Info

Publication number: CN218482303U
Application number: CN202221412604.3U
Authority: CN
Inventors: 张卓辉; 江新威
Original assignee: Shenzhen Nandian Green Energy Technology Co ltd
Current assignee: Shenzhen Nandian Green Energy Technology Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2023-02-14
Anticipated expiration: 2032-06-07

Abstract

The utility model relates to a battery temperature control device, include to be equipped with confined heat-proof mechanism in the outside of battery or group battery, be equipped with the cavity between heat-proof mechanism and battery or the group battery, be equipped with insulating liquid in the cavity, at the outward appearance of battery or group battery around establishing many circles heat pipe, the both ends of heat pipe lead to outside constant temperature mechanism through heat-proof mechanism's seal opening, constant temperature mechanism is used for the operating temperature of automatically regulated battery or group battery. The constant temperature mechanism comprises a controller, and a liquid pump, a constant temperature device and a temperature sensor which are respectively electrically connected with the controller. The thermostatic device comprises a heating mechanism and a refrigerating mechanism. This scheme has ensured that battery or group battery can the steady operation in certain temperature range, and this battery energy storage system that just makes battery or group battery constitute can operate under extreme cold or extreme hot etc. extreme environment steadily, promotes energy storage system's work application scope greatly.

Description

Battery temperature control device

Technical Field

The utility model relates to a battery product technology field especially relates to a battery temperature control device.

Background

The field that should of battery module is extensive day by day, and present society is along with the continuous development of science and technology, and people are more and more from not leaving battery module product, but, the electric core of battery module need just can normally work in certain temperature range, surpasss or is less than its temperature range, can influence the work efficiency of electric core and the life-span of electric core, damages electric core even, and consequently how to control the operating temperature of battery module is very important. This scheme provides a battery temperature control device.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a work temperature control that invention aim at solved current battery module is in a reasonable scope, ensures the not influenced problem of work efficiency and the electric core life-span of electric core. The concrete solution is as follows:

the utility model provides a battery temperature control device, includes and is equipped with confined heat-proof mechanism in the outside of battery or group battery, is equipped with the cavity between heat-proof mechanism and battery or the group battery, is equipped with insulating liquid in the cavity, around establishing many rings of heat pipes in the outward appearance of battery or group battery, the both ends of heat pipe lead to outside constant temperature mechanism through heat-proof mechanism's seal port, constant temperature mechanism is used for the operating temperature of automatically regulated battery or group battery.

Further, the heat insulation mechanism is a closed heat insulation layer.

Further, heat-conducting liquid is arranged in the heat-conducting pipe.

Further, the constant temperature mechanism comprises a controller, and a liquid pump, a constant temperature device and a temperature sensor which are respectively electrically connected with the controller, wherein one end of the heat conduction pipe is communicated with an inlet of the liquid pump, the other end of the heat conduction pipe is communicated with an output end of the constant temperature device, and an outlet of the liquid pump is communicated with an input end of the constant temperature device through the heat conduction pipe.

Furthermore, the temperature sensors are arranged on the outer surface of the battery or the battery pack in the cavity, and the number of the temperature sensors is multiple and the temperature sensors are distributed dispersedly.

Furthermore, the constant temperature device comprises a heating mechanism and a refrigerating mechanism, a plurality of communicated bent cavities are arranged inside the constant temperature device, and the bent cavities are communicated with the inside of the heat conduction pipe.

Furthermore, the controller automatically switches the heating mechanism and the refrigerating mechanism to execute corresponding heating or cooling work according to signals sensed by the plurality of temperature sensors.

Further, the insulating liquid is silicone oil.

Further, the heat-conducting liquid is water added with an antifreezing agent.

Further, the heat conduction pipe is a copper pipe.

To sum up, adopt the utility model discloses a technical scheme has following beneficial effect:

the operating temperature control that this scheme had solved current battery module is at a reasonable within range, ensures the not influenced problem in work efficiency of electric core and electric core life-span. According to the scheme, the battery or the battery pack is immersed in the insulating liquid, the insulating liquid can quickly take away heat emitted by the battery or the battery pack, the insulating liquid can improve the insulating and pressure-resistant strength of the battery or the battery pack, and the safety performance is enhanced. The outer surface of the battery or the battery pack is wound with a plurality of circles of copper pipes filled with heat conducting liquid, and a constant temperature mechanism consisting of a liquid pump, a temperature sensor, a constant temperature device and a controller is combined, so that the automatic adjustment and stabilization capability of the working temperature of the battery or the battery pack is further improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed to be used in the description of the embodiments of the present invention will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can also be derived from them without inventive effort.

Fig. 1 is a schematic diagram of a battery temperature control device according to the present invention, wherein the thermal insulation layer is a sectional view.

Description of reference numerals:

1-battery or battery pack, 2-cavity, 3-insulating liquid, 4-heat conducting pipe, 5-heat insulating layer, 6-bending cavity, 7-controller, 8-liquid pump, 9-thermostat and 10-temperature sensor.

Detailed Description

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

As shown in fig. 1, a battery temperature control device comprises a sealed heat insulation mechanism arranged outside a battery or a battery pack 1, a cavity 2 is arranged between the heat insulation mechanism and the battery or the battery pack 1, an insulating liquid 3 is arranged in the cavity 2, a plurality of circles of heat conduction pipes 4 are wound on the outer surface of the battery or the battery pack 1, two ends of each heat conduction pipe 4 are led to an external constant temperature mechanism through a sealing port of the heat insulation mechanism, and the constant temperature mechanism is used for automatically adjusting the working temperature of the battery or the battery pack 1.

Further, the heat insulation mechanism is a closed heat insulation layer 5 (the material may be asbestos). The heat pipe 4 is filled with a heat transfer liquid (not shown).

Further, the thermostatic mechanism includes a controller 7 (mainly including an MCU chip and an electronic circuit, which belongs to the prior art, and the specific working principle is not described in detail herein), a liquid pump 8, a thermostatic device 9, and a temperature sensor 10 electrically connected to the controller 7, respectively, wherein one end of the heat pipe 4 is communicated with an inlet of the liquid pump 8, the other end of the heat pipe 4 is communicated with an output end of the thermostatic device 9, and an outlet of the liquid pump 8 is communicated with an input end of the thermostatic device 9 through the heat pipe 4. The temperature sensors 10 are arranged on the outer surface of the battery or the battery pack 1 in the cavity 2, and the number of the temperature sensors is multiple and distributed in a scattered way. The constant temperature device 9 comprises a heating mechanism and a refrigerating mechanism, a plurality of communicated bending cavities 6 are arranged inside the constant temperature device 9, and the bending cavities 6 are communicated with the inside of the heat conduction pipes 4. The controller 7 analyzes and processes signals sensed by the plurality of temperature sensors 10, and automatically switches between a heating mechanism (for example, when the temperature is less than 5 ℃, the heating mechanism is started, heating can be performed by an electric heating wire, and the like) and a refrigerating mechanism (for example, when the temperature is more than 45 ℃, the refrigerating mechanism is started, refrigeration can be performed by a compressor or semiconductor, and the like) to perform corresponding heating or cooling operation.

Preferably, the insulating liquid 3 is silicone oil. Preferably, the heat-conducting liquid is water added with an antifreeze. Preferably, the heat conductive pipes 4 are copper pipes.

In the scheme, the plurality of circles of heat conduction pipes 4 are wound on the outer surface of the battery or the battery pack 1, and the plurality of bent cavities 6 are arranged in the constant temperature device 9, so that the heat and cold conduction area and characteristic can be increased, and the cold and heat quick exchange efficiency is improved.

the operating temperature control that this scheme had solved current battery module is at a reasonable within range, ensures the not influenced problem in work efficiency of electric core and electric core life-span. According to the scheme, the battery or the battery pack is immersed in the insulating liquid, the insulating liquid can quickly take away heat emitted by the battery or the battery pack, the insulating and pressure-resistant strength of the battery or the battery pack can be improved by the insulating liquid, and the safety performance is enhanced. The outer surface of the battery or the battery pack is wound with a plurality of circles of copper pipes filled with heat conducting liquid, and a constant temperature mechanism consisting of a liquid pump, a temperature sensor, a constant temperature device and a controller is combined, so that the automatic adjustment and stabilization capability of the working temperature of the battery or the battery pack is further improved.

The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.

Claims

1. A battery temperature control apparatus characterized in that: the device comprises a sealed heat insulation mechanism arranged outside a battery or a battery pack, a cavity is arranged between the heat insulation mechanism and the battery or the battery pack, insulating liquid is arranged in the cavity, a plurality of circles of heat conduction pipes are wound on the outer surface of the battery or the battery pack, two ends of each heat conduction pipe lead to an external constant temperature mechanism through a sealing port of the heat insulation mechanism, and the constant temperature mechanism is used for automatically adjusting the working temperature of the battery or the battery pack.

2. The battery temperature control apparatus according to claim 1, characterized in that: the heat insulation mechanism is a closed heat insulation layer.

3. The battery temperature control apparatus according to claim 1, characterized in that: and heat conducting liquid is arranged in the heat conducting pipe.

4. A battery temperature control apparatus according to claim 3, characterized in that: the thermostatic mechanism comprises a controller, a liquid pump, a thermostatic device and a temperature sensor which are respectively electrically connected with the controller, one end of the heat conducting pipe is communicated with an inlet of the liquid pump, the other end of the heat conducting pipe is communicated with an output end of the thermostatic device, and an outlet of the liquid pump is communicated with an input end of the thermostatic device through the heat conducting pipe.

5. The battery temperature control apparatus according to claim 4, characterized in that: the temperature sensors are arranged on the outer surface of the battery or the battery pack in the cavity, and the number of the temperature sensors is multiple and the temperature sensors are distributed in a dispersed manner.

6. The battery temperature control apparatus according to claim 5, characterized in that: the thermostatic device comprises a heating mechanism and a refrigerating mechanism, a plurality of communicated bent cavities are arranged in the thermostatic device, and the bent cavities are communicated with the interior of the heat conduction pipe.

7. The battery temperature control apparatus according to claim 6, characterized in that: and the controller automatically switches the heating mechanism and the refrigerating mechanism to perform corresponding heating or cooling work according to signals sensed by the plurality of temperature sensors.

8. The battery temperature control apparatus according to claim 1, characterized in that: the insulating liquid is silicone oil.

9. A battery temperature control apparatus according to claim 3, characterized in that: the heat-conducting liquid is water added with an antifreezing agent.

10. The battery temperature control apparatus according to claim 1, characterized in that: the heat conduction pipe is a copper pipe.