CN113794003A - Safe battery box and battery pack - Google Patents

Safe battery box and battery pack Download PDF

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Publication number
CN113794003A
CN113794003A CN202111088782.5A CN202111088782A CN113794003A CN 113794003 A CN113794003 A CN 113794003A CN 202111088782 A CN202111088782 A CN 202111088782A CN 113794003 A CN113794003 A CN 113794003A
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CN
China
Prior art keywords
controller
battery
box body
heat dissipation
safety
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111088782.5A
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Chinese (zh)
Inventor
尹利超
陈沥强
丁立志
于诗莹
徐中华
钱振华
李磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Envision Energy Co Ltd
Envision Energy Ltd
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Envision Energy Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Envision Energy Co Ltd filed Critical Envision Energy Co Ltd
Priority to CN202111088782.5A priority Critical patent/CN113794003A/en
Publication of CN113794003A publication Critical patent/CN113794003A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/617Types of temperature control for achieving uniformity or desired distribution of temperature
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/63Control systems
    • H01M10/633Control systems characterised by algorithms, flow charts, software details or the like
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/63Control systems
    • H01M10/635Control systems based on ambient temperature
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6556Solid parts with flow channel passages or pipes for heat exchange
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567Liquids
    • H01M10/6568Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention discloses a safe battery box and a battery pack, and relates to the field of batteries. The safety battery box comprises a box body, a detection system, a controller and a cooling system, wherein the box body is used for accommodating batteries, the detection system and the cooling system are respectively connected with the box body, and the detection system is used for detecting the temperatures of a plurality of areas of the batteries accommodated in the box body; the controller is respectively electrically connected with the detection system and the cooling system, and is used for calculating the maximum temperature difference among the plurality of regions according to the detection result of the detection system, comparing the maximum temperature difference with a preset safety threshold value, and controlling the cooling system to cool the region with the highest temperature under the condition that the maximum temperature difference is greater than the safety threshold value. The safe battery box provided by the invention can control the temperature difference between different areas of the battery within a safe range, prolong the service life of the battery and ensure the use safety.

Description

Safe battery box and battery pack
Technical Field
The invention relates to the field of batteries, in particular to a safe battery box and a battery pack.
Background
At present, in the working process of a battery pack on the market, due to the problem of uneven internal heat dissipation and the consistency of a plurality of battery cores, the battery often has the condition of large temperature difference between different areas, and the service life and the safety of the battery are seriously influenced.
Disclosure of Invention
An object of the present invention is to provide a safety battery box capable of controlling a temperature difference between different regions of a battery within a safe range.
Another object of the present invention is to provide a battery pack capable of controlling a temperature difference between different regions of a battery within a safe range.
The invention provides a technical scheme that:
a safety battery box comprises a box body, a detection system, a controller and a cooling system, wherein the box body is used for accommodating batteries, the detection system and the cooling system are respectively connected with the box body, and the detection system is used for detecting the temperatures of a plurality of areas of the batteries accommodated in the box body;
the controller respectively with detecting system reaches the cooling system electricity is connected, the controller is used for according to detecting system's testing result calculates a plurality ofly the regional mutual maximum difference in temperature, and be used for with the maximum difference in temperature is compared with preset safe threshold value, still is used for being in the maximum difference in temperature is greater than under the condition of safe threshold value control the cooling system is highest the region is cooled down.
Furthermore, the cooling system comprises a balance cooling device and an accurate cooling device, the balance cooling device is used for simultaneously cooling a plurality of regions of the battery, and the accurate cooling device is electrically connected with the controller and used for cooling the regions with the highest temperature under the control of the controller.
Further, the balanced heat dissipation device is laid on the inner bottom wall of the box body and used for bearing the battery, and a flow channel for cooling liquid to circulate is formed in the balanced heat dissipation device.
Furthermore, a plurality of flow guide ribs are arranged in the balanced heat dissipation device in parallel at intervals, two adjacent flow guide ribs enclose the flow channel, two ends of the plurality of flow guide ribs are respectively provided with a flow through port, and the two adjacent flow channels are communicated through the flow through ports.
Further, in the arrangement direction of the plurality of flow guide ribs, the widths of any two adjacent flow openings are not equal to each other.
Further, accurate heat abstractor including respectively with displacement subassembly and the radiating piece that the controller electricity is connected, the displacement subassembly set up in on the inner wall of box, the radiating piece with the displacement subassembly is connected, the displacement subassembly be used for drive under the control of controller the radiating piece moves to corresponding the temperature is the highest the position in region, so that the radiating piece is in the control of controller is the highest the region is cooled down to the temperature.
Further, the displacement assembly comprises a guide rail and a moving part, the guide rail is arranged on the inner wall of the box body, the moving part is electrically connected with the controller and is in sliding fit with the guide rail, and the moving part is connected with the heat dissipation part and is used for driving the heat dissipation part to slide to a plurality of positions along the guide rail under the control of the controller.
Further, the heat dissipation member includes a storage tank and a nozzle disposed on the storage tank, the storage tank is connected to the displacement assembly, the storage tank is used for storing coolant, and the nozzle is electrically connected to the controller and is used for spraying the coolant to the region with the highest temperature on the battery under the control of the controller.
Further, the detection system comprises a plurality of infrared thermometers, the infrared thermometers are respectively and movably arranged on the inner side walls of the box body, and the infrared thermometers are respectively and electrically connected with the controller and used for measuring the temperature of the plurality of areas of the battery from a plurality of directions and respectively sending the detection result to the controller.
The invention also provides a battery pack which comprises a battery and the safe battery box, wherein the safe battery box comprises a box body, a detection system, a controller and a cooling system, the box body is used for accommodating the battery, the detection system and the cooling system are respectively connected with the box body, and the detection system is used for detecting the temperatures of a plurality of areas of the battery accommodated in the box body; the controller is respectively electrically connected with the detection system and the cooling system, and is used for calculating the maximum temperature difference among the plurality of areas according to the detection result of the detection system, comparing the maximum temperature difference with a preset safety threshold value, and controlling the cooling system to cool the area with the highest temperature under the condition that the maximum temperature difference is greater than the safety threshold value, wherein the battery is accommodated in the box body.
Compared with the prior art, the detection system arranged in the safe battery box provided by the invention can detect the temperatures of a plurality of areas of the battery accommodated in the box body, the controller can judge whether the maximum temperature difference between the areas of the battery exceeds the safety threshold value according to the detection result of the detection system, and the cooling system can cool the area with the highest temperature under the condition that the maximum temperature difference exceeds the threshold value, so that the maximum temperature difference of the battery is always kept below the safety threshold value, and the safety of the battery is ensured. Therefore, the safety battery box provided by the invention has the beneficial effects that: the temperature difference between different areas of the battery can be controlled within a safety range, the service life of the battery is prolonged, and the use safety is guaranteed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below. It is appreciated that the following drawings depict only certain embodiments of the invention and are therefore not to be considered limiting of its scope. For a person skilled in the art, it is possible to derive other relevant figures from these figures without inventive effort.
Fig. 1 is a block diagram showing a structure of a safety battery box according to a first embodiment of the present invention;
FIG. 2 is a block diagram of the cooling system of FIG. 1;
FIG. 3 is a cross-sectional view of the equalizing heat sink of FIG. 2;
fig. 4 is a block diagram of the precise heat sink in fig. 2.
Icon: 100-a safety battery box; 110-a box body; 130-a detection system; 150-a controller; 170-a cooling system; 171-a balanced heat sink; 1711-flow guiding ribs; 1713-a flow channel; 1715-an overflow port; 173-precision heat sink; 1731-a displacement assembly; 1733-heat sink.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inside", "outside", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships that the products of the present invention are conventionally placed in use, or the orientations or positional relationships that are conventionally understood by those skilled in the art, and are used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is also to be noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The following detailed description of embodiments of the invention refers to the accompanying drawings.
First embodiment
Referring to fig. 1, fig. 1 is a block diagram illustrating a safety battery box 100 according to the present embodiment.
The safe battery box 100 provided by the embodiment is used for accommodating and installing batteries, and the safe battery box 100 can control the temperature difference between different areas of the batteries within a safe range, so that the service life of the batteries is prolonged, and the use safety is ensured.
The safety battery box 100 provided in this embodiment includes a box body 110, a detection system 130, a controller 150 and a cooling system 170, where the box body 110 is used to accommodate a battery, the detection system 130 and the cooling system 170 are respectively connected to the box body 110, and the controller 150 is respectively electrically connected to the detection system 130 and the cooling system 170.
The sensing system 130 is used to sense the temperatures of a plurality of regions of the battery accommodated in the case 110 and transmit the sensed results to the controller 150. The controller 150 calculates a maximum temperature difference between the regions of the battery according to the detection result of the detection system 130, and it can be understood that the maximum temperature difference refers to a temperature difference between a region having the highest temperature and a region having the lowest temperature. After obtaining the maximum temperature difference, the controller 150 compares the maximum temperature difference with a preset safety threshold, and if the comparison result indicates that the maximum temperature difference exceeds the safety threshold, the controller 150 controls the cooling system 170 to cool the region with the highest temperature. In this embodiment, the safety threshold is 5 ℃, and in other embodiments, the safety threshold may also be adjusted according to actual application conditions.
The controller 150 controls the cooling system 170 to cool the region with the highest temperature until the maximum temperature difference is lower than the safety threshold, so that temperature difference control between different regions of the battery is realized, the temperature difference between different regions of the battery is ensured to be always kept below the safety threshold, and the influence of overlarge temperature difference on the performance, service life and safety of the battery is avoided.
Referring to fig. 2, fig. 2 is a block diagram of a cooling system 170.
The cooling system 170 includes a uniform heat sink 171 and a precise heat sink 173, the uniform heat sink 171 is used for simultaneously dissipating heat from multiple regions of the battery, and the precise heat sink 173 is electrically connected to the controller 150 and is used for cooling the region with the highest temperature under the control of the controller 150.
It can be understood that, in the actual working process, the equalizing heat dissipation device 171 simultaneously dissipates heat to a plurality of areas of the battery, integrally cools the battery, and avoids the temperature of the battery from being too high. The precise heat sink 173 is controlled by the controller 150 to independently cool the region with the highest temperature when the maximum temperature difference exceeds the safety threshold, so as to achieve the purpose of temperature difference control.
Referring to fig. 3, fig. 3 is a cross-sectional view of the equalizing heat sink 171.
In this embodiment, the equalizing heat sink 171 is plate-shaped, and can be laid on the inner bottom wall of the box body 110, or can be used as the bottom wall of the box body 110 to support the battery. The inside of balanced heat abstractor 171 is provided with the cavity, and is provided with a plurality of water conservancy diversion muscle 1711 at the interval side by side in the cavity, and two adjacent water conservancy diversion muscle 1711 enclose into runner 1713, and a plurality of water conservancy diversion muscle 1711's both ends are provided with respectively and overflow mouthful 1715, and two adjacent runners 1713 are through overflowing mouthful 1715 intercommunication.
It will be appreciated that the plurality of flow passages 1713 form a channel for the cooling fluid to flow through within the equalizing heat sink 171 via the plurality of flow ports 1715. The equalizing heat sink 171 is further provided with an inlet and an outlet respectively communicated with the channel, the inlet is used for introducing cooling liquid into one end of the channel from the outside so that the cooling liquid flows to the other end along the channel, and the outlet is used for guiding the cooling liquid flowing to the other end of the channel to the outside for cooling treatment, thereby realizing the circulating flow of the cooling liquid in the equalizing heat sink 171.
In order to ensure that the heat dissipation effect of the balanced heat dissipation device 171 is balanced for each region of the battery carried by the battery, in consideration of the temperature variation of the cooling liquid in the flowing process and the temperature difference caused by the flow rate variation, in this embodiment, the widths of any two adjacent flow passages 1715 are different from each other in the arrangement direction of the plurality of flow guide ribs 1711 in the balanced heat dissipation device 171. That is, the connecting line of the same end of the plurality of air guide ribs 1711 is wavy.
Referring to fig. 4, fig. 4 is a block diagram of a precise heat sink 173.
In this embodiment, the precise heat dissipation device 173 includes a displacement component 1731 and a heat dissipation component 1733 electrically connected to the controller 150, respectively, the displacement component 1731 is disposed on the inner wall of the box body 110, the heat dissipation component 1733 is connected to the displacement component 1731, and the displacement component 1731 is configured to drive the heat dissipation component 1733 to move to a position corresponding to a region with the highest temperature under the control of the controller 150, so that the heat dissipation component 1733 cools the region with the highest temperature under the control of the controller 150.
In practical applications, when the controller 150 determines that the maximum temperature difference exceeds the safety threshold, the displacement assembly 1731 is controlled to move spatially along the inner wall of the box body 110 inside the box body 110, so as to drive the heat dissipation member 1733 to move to a position corresponding to a region with the highest temperature, thereby positioning the heat dissipation member 1733. Thereafter, the controller 150 controls the heat sink 1733 to separately dissipate the highest temperature region until the maximum temperature difference is reduced below a safety threshold.
In this embodiment, the displacement assembly 1731 includes a guide rail and a moving member, the guide rail is disposed on the inner wall of the box body 110, the moving member is electrically connected to the controller 150 and is in sliding fit with the guide rail, and the moving member is connected to the heat dissipation member 1733 for driving the heat dissipation member 1733 to slide to a plurality of positions along the guide rail under the control of the controller 150.
In other embodiments, the displacement assembly 1731 may also take other configurations, for example, a robot disposed inside the box 110 may move the heat dissipation member 1733 to a plurality of positions in the space.
In this embodiment, the heat sink 1733 includes a storage tank connected to the displacement assembly 1731 for storing the coolant and a nozzle disposed on the storage tank and electrically connected to the controller 150 for spraying the coolant to a region of the battery having the highest temperature under the control of the controller 150.
Considering that the spraying angle of the nozzle may need to be finely adjusted, the nozzle may be rotatably connected to the storage tank, or the storage tank may be rotatably connected to the moving member.
In this embodiment, the coolant is liquid nitrogen, and in other embodiments, the coolant can be adaptively adjusted according to actual application conditions.
The detection system 130 includes a plurality of infrared thermometers, the plurality of infrared thermometers are respectively movably disposed on a plurality of inner sidewalls of the box 110, and the plurality of infrared thermometers are respectively electrically connected to the controller 150, and are configured to measure temperatures of a plurality of regions of the battery from a plurality of directions, and respectively send detection results to the controller 150.
In practical application, the plurality of infrared thermometers respectively move on the inner side walls of the corresponding box 110, so as to perform temperature detection on a plurality of areas corresponding to the plurality of side walls of the battery, and feed back the detection to the controller 150 in real time.
In summary, in practical applications, the battery is accommodated in the box body 110, and the plurality of infrared thermometers of the detection system 130 detect temperatures of a plurality of areas of the battery in real time and feed back the detection result to the controller 150. After receiving the detection result of the detection system 130, the controller 150 calculates the maximum temperature difference of the battery according to the maximum temperature and the minimum temperature, and compares the maximum temperature difference with a preset safety threshold. If the maximum temperature difference is greater than the safety threshold, the controller 150 controls the moving member to move to a position corresponding to the highest temperature region along the guide rail, so that the nozzle of the heat dissipation member 1733 is aligned to the highest temperature region, and further controls the nozzle to be opened, and the heat of the region is separately dissipated until the maximum temperature difference is reduced below the safety threshold.
It can be seen that the safe battery box 100 that this embodiment provided can guarantee the performance of battery, promotes the life of battery, guarantees the safety in utilization with the temperature difference control between the different regions of battery in safety range.
Second embodiment
The present embodiment provides a battery pack, which includes a battery and the safety battery box 100 of the first embodiment, wherein the battery is accommodated in the box body 110 of the safety battery box 100.
In practical applications, the infrared thermometers of the detection system 130 of the safety battery box 100 detect the temperatures of the multiple regions of the battery in real time and feed back the detection results to the controller 150. After receiving the detection result of the detection system 130, the controller 150 calculates the maximum temperature difference of the battery according to the maximum temperature and the minimum temperature, and compares the maximum temperature difference with a preset safety threshold. If the maximum temperature difference is greater than the safety threshold, the controller 150 controls the moving member to move to a position corresponding to the highest temperature region along the guide rail, so that the nozzle of the heat dissipation member 1733 is aligned to the highest temperature region, and further controls the nozzle to be opened, and the heat of the region is separately dissipated until the maximum temperature difference is reduced below the safety threshold.
Therefore, the battery pack provided by the embodiment has the characteristics of higher use safety and longer service life.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A safe battery box is characterized by comprising a box body, a detection system, a controller and a cooling system, wherein the box body is used for accommodating batteries, the detection system and the cooling system are respectively connected with the box body, and the detection system is used for detecting the temperatures of a plurality of areas of the batteries accommodated in the box body;
the controller respectively with detecting system reaches the cooling system electricity is connected, the controller is used for according to detecting system's testing result calculates a plurality ofly the regional mutual maximum difference in temperature, and be used for with the maximum difference in temperature is compared with preset safe threshold value, still is used for being in the maximum difference in temperature is greater than under the condition of safe threshold value control the cooling system is highest the region is cooled down.
2. The safety battery box according to claim 1, wherein the cooling system comprises an equalizing heat sink and a precise heat sink, the equalizing heat sink is used for simultaneously cooling a plurality of the regions of the battery, and the precise heat sink is electrically connected to the controller and is used for cooling the region with the highest temperature under the control of the controller.
3. The safety battery box according to claim 2, wherein the equalizing heat sink is laid on the inner bottom wall of the box body and used for bearing the batteries, and a flow passage for circulating cooling liquid is formed in the equalizing heat sink.
4. The safety battery box according to claim 3, wherein a plurality of flow guiding ribs are arranged in the balanced heat dissipation device in parallel at intervals, two adjacent flow guiding ribs enclose the flow channel, two ends of the plurality of flow guiding ribs are respectively provided with a flow through port, and two adjacent flow channels are communicated through the flow through ports.
5. The safety battery box according to claim 4, wherein the widths of any two adjacent flow openings are different from each other in the arrangement direction of the plurality of flow guide ribs.
6. The safety battery box according to claim 2, wherein the precise heat dissipation device comprises a displacement component and a heat dissipation component which are electrically connected with the controller respectively, the displacement component is arranged on the inner wall of the box body, the heat dissipation component is connected with the displacement component, and the displacement component is used for driving the heat dissipation component to move to a position corresponding to the region with the highest temperature under the control of the controller, so that the heat dissipation component cools the region with the highest temperature under the control of the controller.
7. The safety battery box according to claim 6, wherein the displacement assembly comprises a guide rail and a moving member, the guide rail is disposed on the inner wall of the box body, the moving member is electrically connected to the controller and is in sliding fit with the guide rail, and the moving member is connected to the heat dissipation member for driving the heat dissipation member to slide to a plurality of positions along the guide rail under the control of the controller.
8. The safety battery box according to claim 6, wherein the heat sink includes a storage tank connected to the displacement assembly and a nozzle disposed on the storage tank, the storage tank being configured to store a coolant, the nozzle being electrically connected to the controller and configured to spray the coolant onto the region of the battery having the highest temperature under the control of the controller.
9. The safety battery box according to claim 1, wherein the detection system comprises a plurality of infrared thermometers, the plurality of infrared thermometers are respectively movably disposed on a plurality of inner side walls of the box body, and the plurality of infrared thermometers are respectively electrically connected with the controller, and are configured to measure the temperature of the plurality of regions of the battery from a plurality of directions and respectively send the detection results to the controller.
10. A battery pack comprising a battery and a safety battery compartment according to any one of claims 1 to 9, said battery being housed within said compartment.
CN202111088782.5A 2021-09-16 2021-09-16 Safe battery box and battery pack Pending CN113794003A (en)

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CN114497786A (en) * 2022-02-22 2022-05-13 广东能源集团科学技术研究院有限公司 Battery rack for container type energy storage power station and management method thereof
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CN114156564A (en) * 2022-02-07 2022-03-08 江苏复源芥子空间新材料研究院有限公司 Convenient radiating new forms of energy battery box
CN114497786A (en) * 2022-02-22 2022-05-13 广东能源集团科学技术研究院有限公司 Battery rack for container type energy storage power station and management method thereof
CN114497786B (en) * 2022-02-22 2023-06-16 广东能源集团科学技术研究院有限公司 Battery rack for container type energy storage power station and management method thereof
TWI822097B (en) * 2022-06-08 2023-11-11 明創能源股份有限公司 Battery device
CN116365109A (en) * 2023-06-01 2023-06-30 苏州精控能源科技有限公司 Thermal management method and device for cylindrical lithium battery

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