CN117580313A - Control device and battery pack - Google Patents

Control device and battery pack Download PDF

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Publication number
CN117580313A
CN117580313A CN202310912074.1A CN202310912074A CN117580313A CN 117580313 A CN117580313 A CN 117580313A CN 202310912074 A CN202310912074 A CN 202310912074A CN 117580313 A CN117580313 A CN 117580313A
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CN
China
Prior art keywords
cooling device
inner cavity
heat exchange
air
liquid
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
CN202310912074.1A
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Chinese (zh)
Inventor
李东方
刘金芝
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Shenzhen Clou Electronics Co Ltd
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Shenzhen Clou Electronics Co Ltd
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Application filed by Shenzhen Clou Electronics Co Ltd filed Critical Shenzhen Clou Electronics Co Ltd
Priority to CN202310912074.1A priority Critical patent/CN117580313A/en
Publication of CN117580313A publication Critical patent/CN117580313A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)

Abstract

The application discloses control equipment and battery pack, control equipment are used for controlling battery energy storage, and control equipment includes first box, controlling means, first liquid cooling device, first forced air cooling device and second box. The first box body comprises a closed first inner cavity; the control device is arranged in the first inner cavity; the first liquid cooling device is arranged in the first inner cavity and is configured to provide cooling capacity for the first inner cavity; the first air cooling device is arranged in the first inner cavity and is configured to enable first gas in the first inner cavity to flow; the second box body comprises a second inner cavity and a second air cooling device, and the air cooling device is used for enabling the first gas to circulate with the second gas in the second box body. The control equipment can enable the gas flow rate to be improved through gas exchange among different boxes, and two gas flow tissue circulation positions are generated to improve the heat exchange rate of the liquid cooling device, so that the control device is guaranteed to operate normally.

Description

Control device and battery pack
Technical Field
The embodiment of the application relates to the technical field of energy storage, in particular to control equipment and a battery assembly.
Background
In the energy storage technical field, battery energy storage is widely applied, and container type battery energy storage heat management technology is rapidly developed, wherein the container type energy storage heat management technology comprises air cooling and liquid cooling. In the design of liquid cooling type container type energy storage cooling medium pipelines, the key is to ensure the tightness of the whole system so as to avoid the problem of system safety caused by leakage of cooling liquid. The container type battery energy storage basic unit is a battery module, and then is a battery cluster, wherein the battery cluster consists of a plurality of battery modules, and finally is a battery stack, and the battery stack consists of a plurality of battery clusters. Each battery cluster comprises an independent control box body, the control box body mainly realizes on-off state control, battery information acquisition and the like of the whole battery cluster, and in the liquid cooling type energy storage system, a high-voltage device in the control box needs a high protection level design, so that the heat dissipation of the device with high heat productivity is a key technology in a sealed cavity in the control box body.
The existing liquid cooling battery control box body adopts a closed structural design, the liquid cooling battery control box body only depends on internal air circulation, a cold source is not introduced into the liquid cooling battery control box body, only the heat dissipation of devices with smaller heating volume power density can be solved, the heat dissipation requirement of the devices in high-magnification operation is not met, so that the heat dissipation of the liquid cooling battery control box body is incomplete, and the operation of the liquid cooling battery control box body is abnormal.
Disclosure of Invention
The application provides a control equipment and battery pack can make gas flow rate promote through the gas exchange between the different boxes, produces two air current tissue circulation to promote the heat exchange rate of liquid cooling device, thereby promote control equipment's operation rate.
In order to solve the technical problems, one technical scheme adopted by the application is as follows: there is provided a control apparatus for controlling battery storage, the control apparatus comprising:
the first box body comprises a first inner cavity;
the control device is arranged in the first inner cavity and is connected with the battery to control the battery to store energy;
the first liquid cooling device is arranged in the first inner cavity and is configured to provide cooling capacity for the first inner cavity;
the first air cooling device is arranged in the first inner cavity and is configured to enable first gas in the first inner cavity to flow;
the second box body comprises a second inner cavity and a second air cooling device, the second air cooling device is arranged in the second inner cavity, and the second air cooling device is used for enabling the first gas to circulate with the second gas in the second box body.
In some embodiments, the control apparatus includes a first pipe inlet and outlet device and a cooling device, the cooling device is disposed outside the first box, the first liquid cooling device includes a first heat exchange portion, the first pipe inlet and outlet device is connected to the cooling device, the first pipe inlet and outlet device is connected to the first heat exchange portion, the first heat exchange portion is configured to include a first heat exchange liquid, the cooling device is configured to include a second heat exchange liquid, and the first pipe inlet and outlet device is configured to move the first heat exchange liquid to the cooling device and move the second heat exchange liquid to the first heat exchange portion.
In some embodiments, the first liquid cooling device includes a fin portion for increasing a surface area of the liquid cooling device in contact with the first gas.
In some embodiments, the first air cooling device comprises a first fan for flowing the first gas.
In some embodiments, the control device includes an internal resistance adjustment device for adjusting an internal resistance of the battery cluster, the internal resistance adjustment device being disposed in the second lumen.
In some embodiments, the control apparatus includes a second liquid cooling device disposed in the second interior cavity, the second liquid cooling device configured to provide cooling to the second interior cavity.
In some embodiments, the control apparatus includes a second in-out device including a second heat exchange portion, the second in-out device being connected to the cooling device, the second in-out device being connected to the second heat exchange portion, the second heat exchange portion being configured to include a third heat exchange liquid, the second in-out device being configured to move the third heat exchange liquid to the cooling device and to move the second heat exchange liquid to the second heat exchange portion.
In some embodiments, the second housing includes an outlet for communicating the first gas with the second gas.
In some embodiments, the second air cooling device comprises a second fan for circulating the first gas and the second gas with each other.
The second aspect of the present application also provides a battery assembly comprising
The control apparatus described in any one of the above embodiments;
and a plurality of batteries, each of which is used for storing energy.
Compared with the prior art, the beneficial effects of this application are:
the embodiment of the application provides a control equipment, control equipment are used for controlling battery energy storage, and control equipment includes first box, controlling means, first liquid cooling device, first forced air cooling device and second box. When the control equipment is in a working state, the first liquid cooling device is used for providing cooling capacity for the control equipment, and the first air cooling device and the second air cooling device in the second box body are used for enabling the first gas and the second gas to flow and enabling the first gas and the second gas to flow mutually. The first air cooling device is used for generating first air flow organization circulation, the second air cooling device is used for generating second air flow organization circulation, and as the second air cooling device is arranged in the second inner cavity, the two air flow organization circulation parts do not generate mutual interference, the combined action of the two air flow organization circulation parts enables the flow rate of the first air exchanging heat with the first liquid cooling device to be increased, and the heat exchanging rate of the first air exchanging heat with the first liquid cooling device and the heat exchanging rate of other first air are increased, so that the heat exchanging rate of the first liquid cooling device and the first air is increased, the temperature of the control device is ensured to be normal, and the control device is ensured to operate normally.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following description will briefly explain the drawings that are needed in the embodiments of the present application, and it is obvious that the drawings described below are only some embodiments of the present application.
FIG. 1 is a side view of a control device provided in a first embodiment of the present application;
fig. 2 is a side view of a control device provided in a first embodiment of the present application: the control equipment comprises internal resistance adjusting equipment, a fin part, a second liquid cooling device, a second air cooling device, an air outlet hole and a second pipe inlet and outlet device;
FIG. 3 is a side view of a control device provided in a second embodiment of the present application; wherein, the arrows in fig. 3 are the directions of the gas flows of the first gas and the second gas in the first gas flow organization cycle and the second gas flow organization cycle;
FIG. 4 is a side view of a control device provided in a third embodiment of the present application; the control equipment comprises a fin part, a second air cooling device and an air outlet hole;
FIG. 5 is a side view of a control device provided in a fourth embodiment of the present application; the control equipment comprises a second liquid cooling device, a second pipe inlet and outlet device, a second air cooling device and an air outlet hole;
fig. 6 is a side view of a control apparatus provided in a fifth embodiment of the present application: the control equipment comprises a fin part, a second liquid cooling device, a second pipe inlet and outlet device, a second air cooling device and an air outlet hole;
a control device 10;
a first casing 100;
a first lumen 110;
a control device 200;
a first liquid cooling device 300;
a first heat exchanging part 310;
a first heat exchange liquid 320;
a fin portion 330;
a second liquid cooling device 400;
a second heat exchanging part 410;
a third heat exchange fluid 420;
a first air cooling device 500;
a first fan 510;
a second casing 600;
a second lumen 610;
a second air cooling device 620;
a second fan 621;
an air outlet hole 630;
a first pipe inlet and outlet device 700;
a second in-out pipe arrangement 800;
the internal resistance adjustment apparatus 900.
The realization, functional characteristics and advantages of the present application will be further described with reference to the embodiments, referring to the attached drawings.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
It should be noted that, in the embodiment of the present application, directional indications (such as up, down, left, right, front, and rear … …) are referred to, and the directional indications are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture, and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, when an element is referred to as being "fixed to" another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if "and/or", "and/or" and/or "are used throughout, the meaning includes three parallel schemes, for example," a and/or B ", including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be regarded as not exist and not within the protection scope of the present application.
The existing liquid cooling battery control box body adopts a closed structural design, the liquid cooling battery control box body only depends on internal air circulation, a cold source is not introduced into the liquid cooling battery control box body, only the heat dissipation of devices with smaller heating volume power density can be solved, the heat dissipation requirement of the devices in high-magnification operation is not met, so that the heat dissipation of the liquid cooling battery control box body is incomplete, and the operation of the liquid cooling battery control box body is abnormal.
In order to solve the technical problems, one technical scheme adopted by the application is as follows: referring to fig. 1 to 6, the present application provides a control device 10, the control device 10 being configured to control battery storage. In some embodiments, the control device 10 is used to control a plurality of battery stores. In other embodiments, the control device 10 is configured to control the storage of energy in a battery cluster, wherein the battery cluster is comprised of a plurality of batteries. In some embodiments, a plurality of cell clusters form a stack. A plurality of control devices 10 are included in the stack. Each battery cluster is connected to each control device 10, each battery cluster corresponds to each control device 10 one by one, each control device 10 controls each battery cluster, and information of each battery cluster is collected so as to meet the control of the battery stack. The control apparatus 10 includes a first cabinet 100, a control device 200, a first liquid cooling device 300, a first air cooling device 500, and a second cabinet 600.
The first case 100 includes a first inner cavity 110, and the first inner cavity 110 has high tightness to prevent leakage of the coolant, thereby protecting the battery from running. In some embodiments, the first interior cavity 110 is protected at a level IP (Ingress Protection), to ensure a high tightness of the first interior cavity 110 and to ensure reliability of the operation of the control device 10. The outline of the first casing 100 may take on various configurations. In some embodiments, the first case 100 may have a rectangular parallelepiped shape. In other embodiments, the first housing 100 may be cylindrical. In other embodiments, the first casing 100 may have a polygonal shape. In particular, according to the practical situation, the embodiment of the present application takes the rectangular first case 100 as an example, and refer to fig. 4 to 6.
The control device 200 is disposed in the first cavity 110, and the first cavity 110 is used for protecting the control device 200 from running. The control device 200 is connected to the battery for controlling the battery to store energy. The control device 200 is configured to generate heat in an operating state, so that the control device 200 needs to exchange heat to cool down, and the control device 200 is guaranteed to be at an operating temperature, so as to prevent damage caused by overheating of the control device 200 in the operating state. The control device 200 is used for connecting with the battery to control the battery to store or release energy, and collect information of the battery to ensure that the battery works normally.
The first liquid cooling device 300 is disposed in the first inner cavity 110, and the first inner cavity 110 protects the first liquid cooling device 300. In some embodiments, the first liquid cooling device 300 is disposed on a peripheral wall of the first enclosure 100. In other embodiments, the first liquid cooling device 300 is disposed on an end wall of the first tank 100. In the working state, the first liquid cooling device 300 is configured to provide cooling energy to the first inner cavity 110, and exchange heat with the first inner cavity 110.
The first air cooling device 500 is disposed in the first inner cavity 110, and the first inner cavity 110 protects the first air cooling device 500. In some embodiments, the first air cooling device 500 is provided on a peripheral wall of the first casing 100. In other embodiments, the first air cooling device 500 is provided on an end wall of the first casing 100. In the working state, the first air cooling device 500 is configured to enable the first gas in the first inner cavity 110 to flow, enable the first gas to flow circularly along the first gas flow structure, enable the first gas exchanging heat with the first liquid cooling device 300 to flow, enable the first gas exchanging heat with the control device 200 to flow, improve the heat exchanging rate of the first liquid cooling device 300 and the first gas, improve the heat exchanging rate of the control device 200 and the first gas, ensure the temperature of the control device 200 to be normal, and ensure the normal operation of the control device 200.
Referring to fig. 3, the second case 600 includes a second inner cavity 610 and a second air cooling device 620, and the second air cooling device 620 is disposed in the second inner cavity 610, and the second inner cavity 610 protects the second air cooling device 620. In some embodiments, the second air cooling device 620 is provided on a peripheral wall of the second casing 600. In other embodiments, the second air cooling device 620 is provided on an end wall of the second casing 600. In the operating state, the second air cooling device 620 is configured to circulate the first air and the second air in the second box 600. The second air cooling device 620 is configured to flow the second gas in the second inner cavity 610, and circulate the second gas in the second inner cavity 610 and the first gas, so that the first gas and the second gas circulate along the second air flow structure, and the first gas exchanging heat with the first liquid cooling device 300 flows, and the first gas exchanging heat with the control device 200 flows, and since the second air cooling device 620 is disposed in the second inner cavity 610, the two air flow structures circulate without interfering each other, the two air flow structures together function to increase the flow rate of the first gas exchanging heat with the first liquid cooling device 300, thereby increasing the heat exchanging rate of the first liquid cooling device 300 and the first gas, and increasing the heat exchanging rate of the control device 200 and the first gas, and ensuring the normal temperature of the control device 200, thereby ensuring the normal operation of the control device 200. The second air cooling device 620 and the first air cooling device 500 cooperate to generate two air flow tissue circulation, further improve the flow of the first air, further improve the heat exchange rate between the control device 200 and the first air, further ensure the temperature of the control device 200 to be normal, and further ensure the operation of the control device 200 to be normal. In some embodiments, the control apparatus 10 includes a plurality of second boxes 600, where each second box 600 has a plurality of second air cooling devices 620, and in an operating state, each second air cooling device 620 is configured to circulate the first gas and each second gas in the second box 600.
Referring to fig. 1 and 2, the control apparatus 10 includes a first pipe inlet and outlet device 700 and a cooling device, the cooling device is disposed outside the first box 100, the first liquid cooling device 300 includes a first heat exchange portion 310, the first pipe inlet and outlet device 700 is connected to the cooling device, the first pipe inlet and outlet device 700 is connected to the first heat exchange portion 310, the first heat exchange portion 310 is configured to include a first heat exchange liquid 320, and the cooling device is configured to include a second heat exchange liquid. In some embodiments, the first housing 100 is provided with a first inlet and outlet, and the first pipe inlet and outlet device 700 is penetrating through the first inlet and outlet, and the first inlet and outlet is in airtight contact with the first pipe inlet and outlet device 700, so as to ensure that the first inner cavity 110 is airtight. The cooling device is used for generating cooling capacity, and the first pipe inlet and outlet device 700 is used for moving the first heat exchange liquid 320 to the cooling device and moving the second heat exchange liquid to the first heat exchange portion 310. In the working state, the cooling device generates cooling capacity and provides the cooling capacity for the second heat exchange liquid, the second heat exchange liquid moves to the first heat exchange part 310 through the first pipe inlet and outlet device 700, the first heat exchange liquid 320 exchanges heat with the first inner cavity 110, so that the first gas in the first inner cavity 110 is cooled, and then the first heat exchange liquid 320 moves to the cooling device through the first pipe inlet and outlet device 700.
Referring to fig. 4, the first liquid cooling apparatus 300 includes a fin portion 330, the fin portion 330 is connected to the first heat exchanging portion 310, and the fin portion 330 is used for exchanging heat with the first heat exchanging portion 310. The fin portion 330 is used for increasing the surface area of the liquid cooling device to increase the heat exchange area of the first liquid cooling device 300 for heat exchange with the first inner cavity 110, so as to increase the heat exchange rate of the first liquid cooling device 300 with the first inner cavity 110. Further, the fin portion 330 is connected to the first heat exchanging portion 310, and the first heat exchanging liquid 320 can move to the fin portion 330 to exchange heat with the first inner cavity 110. The fin portion 330 is used for increasing the surface area of the liquid cooling device, so as to further increase the heat exchange area of the first liquid cooling device 300 for heat exchange with the first inner cavity 110, and further increase the heat exchange rate of the first liquid cooling device 300 for heat exchange with the first inner cavity 110.
Referring to fig. 1, the first air cooling device 500 includes a first fan 510, and in an operating state, the first fan 510 rotates, and the first fan 510 causes a first gas to flow, and the first gas circulates along a first air flow tissue. In some embodiments, the first air cooling device 500 includes a plurality of first fans 510, and in an operating state, each first fan 510 rotates, and each first fan 510 further causes the first air to flow, and the circulating speed of the first air along the first air flow structure is further increased.
In some embodiments, the control device 10 is configured to control energy storage of battery clusters, where the control device 10 includes an internal resistance adjustment device 900, where the internal resistance adjustment device 900 is configured to adjust internal resistances of the battery clusters, so as to ensure that when a plurality of battery clusters are connected in parallel, a difference value between internal resistances of the battery clusters is reduced, ensure uniformity of power when the battery clusters store energy and release energy, and improve energy storage and release energy of the battery clusters. The internal resistance adjustment device 900 is disposed in the second inner cavity 610, and the second inner cavity 610 protects the internal resistance adjustment device 900.
The control apparatus 10 includes a second liquid cooling device 400, where the second liquid cooling device 400 is disposed in a second inner cavity 610, and the second inner cavity 610 protects the second liquid cooling device 400. In the working state, the second liquid cooling device 400 is configured to provide cooling energy to the second inner cavity 610, and exchange heat with the second inner cavity 610.
Referring to fig. 5, the control apparatus 10 includes a second inlet and outlet pipe device 800, the second liquid cooling device 400 includes a second heat exchanging portion 410, the second inlet and outlet pipe device 800 is connected to the cooling device, the second inlet and outlet pipe device 800 is connected to the second heat exchanging portion 410, and the second heat exchanging portion 410 is configured to include a third heat exchanging liquid 420. In some embodiments, the first housing 100 is provided with a second inlet and outlet, and the second inlet and outlet pipe device 800 is arranged through the second inlet and outlet, and the second inlet and outlet is in airtight contact with the second inlet and outlet pipe device 800, so as to ensure that the first inner cavity 110 is airtight. The second pipe inlet and outlet device 800 is used for moving the third heat exchange liquid 420 to the cooling device and moving the second heat exchange liquid to the second heat exchange portion 410. In the working state, the cooling device generates cooling capacity and provides the cooling capacity for the second heat exchange liquid, the second heat exchange liquid moves to the second heat exchange part 410 through the second pipe inlet and outlet device 800, the third heat exchange liquid 420 exchanges heat with the second inner cavity 610, so that the second gas in the second inner cavity 610 is cooled, and then the third heat exchange liquid 420 moves to the cooling device through the second pipe inlet and outlet device 800.
Referring to fig. 3, the second case 600 includes air outlet holes 630 to allow the first air and the second air to circulate each other, thereby generating a second air flow organization cycle, and improving the heat exchange rate of the first liquid cooling device 300 and the first air. In some embodiments, the air outlet 630 is provided on a wall surface of the second casing 600. In other embodiments, the air outlet 630 is provided on an end surface of the second casing 600. In some embodiments, the number of the air outlet holes 630 includes a plurality of air outlet holes 630, and each air outlet hole 630 is distributed along the peripheral wall at intervals, so as to further generate a plurality of second air flow organization cycles, thereby further improving the heat exchange rate between the first liquid cooling device 300 and the first air. In other embodiments, the number of the air outlet holes 630 includes a plurality of air outlet holes 630, and each air outlet hole 630 is relatively distributed along the peripheral wall, so as to further generate a plurality of second air flow organization cycles, thereby further improving the heat exchange rate between the first liquid cooling device 300 and the first air.
The second air cooling device 620 includes a second fan 621, and the second fan 621 is used for making the first air and the second air circulate mutually, so as to generate a second air flow organization circulation, and improve the heat exchange rate of the first liquid cooling device 300 and the first air. In some embodiments, the second fan 621 is provided on a wall surface of the second casing 600. In other embodiments, the second fan 621 is provided on an end surface of the second casing 600. In some embodiments, the number of the second fans 621 includes a plurality, and each second fan 621 is spaced along the peripheral wall to further generate a plurality of second air flow organization cycles, so as to further increase the heat exchange rate between the first liquid cooling device 300 and the first air. In other embodiments, the number of the second fans 621 includes a plurality of second fans 621, and each second fan 621 is relatively distributed along the peripheral wall, so as to further generate a plurality of second airflow structure cycles, thereby further improving the heat exchange rate between the first liquid cooling device 300 and the first gas. In some embodiments, the second box 600 includes an air outlet 630, and the second air cooling device 620 includes a second fan 621, so as to circulate the first air and the second air, and generate a second air flow to circulate, so as to increase the heat exchange rate of the first liquid cooling device 300 and the first air.
The present embodiment also provides a battery pack including the control apparatus 10 of any of the above embodiments and a plurality of batteries. The control device 10 is connected to each battery for controlling the battery storage.
It should be noted that, the internal resistance adjusting device, the battery cluster and the battery stack disclosed in the present application may refer to the prior art, and are not described herein.
Furthermore, it should be noted that the description and drawings of the present application show preferred embodiments of the present application, but the present application may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, which are not to be construed as additional limitations on the content of the present application, but are provided for the purpose of providing a more thorough understanding of the present disclosure. The above-described features are further combined with each other to form various embodiments not listed above, and are considered to be the scope described in the present specification; further, modifications and variations of the present invention may occur to those skilled in the art in light of the foregoing teachings, and all such modifications and variations are intended to be within the scope of the appended claims.

Claims (10)

1. A control apparatus for controlling battery storage, the control apparatus comprising:
the first box comprises a first inner cavity;
the control device is arranged in the first inner cavity and is connected with the battery to control the battery to store energy;
the first liquid cooling device is arranged in the first inner cavity and is configured to provide cooling capacity for the first inner cavity;
the first air cooling device is arranged in the first inner cavity and is configured to enable first gas in the first inner cavity to flow;
the second box body comprises a second inner cavity and a second air cooling device, the second air cooling device is arranged in the second inner cavity, and the second air cooling device is used for enabling the first gas to circulate with the second gas in the second box body.
2. The control apparatus according to claim 1, wherein,
the control equipment comprises a first pipe inlet and outlet device and a cooling device, wherein the cooling device is arranged outside the first box body, the first liquid cooling device comprises a first heat exchange part, the first pipe inlet and outlet device is connected with the cooling device, the first pipe inlet and outlet device is connected with the first heat exchange part, the first heat exchange part is configured to comprise first heat exchange liquid, the cooling device is configured to comprise second heat exchange liquid, and the first pipe inlet and outlet device is used for moving the first heat exchange liquid to the cooling device and moving the second heat exchange liquid to the first heat exchange part.
3. The control apparatus according to claim 2, wherein,
the first liquid cooling device comprises a fin portion for increasing the surface area of the liquid cooling device in contact with the first gas.
4. The control apparatus according to claim 1, wherein,
the first air cooling device comprises a first fan for flowing the first gas.
5. The control apparatus according to claim 1, wherein,
the control device comprises an internal resistance adjusting device, wherein the internal resistance adjusting device is used for adjusting the internal resistance of the battery cluster, and the internal resistance adjusting device is arranged in the second inner cavity.
6. The control apparatus according to claim 5, wherein,
the control device comprises a second liquid cooling device, the second liquid cooling device is arranged in the second inner cavity, and the second liquid cooling device is configured to provide cooling capacity for the second inner cavity.
7. The control apparatus according to claim 2 and claim 5, wherein,
the control equipment comprises a second inlet and outlet pipe device, the second liquid cooling device comprises a second heat exchange part, the second inlet and outlet pipe device is connected with the cooling device, the second inlet and outlet pipe device is connected with the second heat exchange part, the second heat exchange part is configured to comprise third heat exchange liquid, and the second inlet and outlet pipe device is used for moving the third heat exchange liquid to the cooling device and moving the second heat exchange liquid to the second heat exchange part.
8. The control apparatus according to claim 1, wherein,
the second box body comprises an air outlet hole, and the air outlet hole is used for enabling the first gas and the second gas to flow mutually.
9. The control apparatus according to claim 1, wherein,
the second air cooling device comprises a second fan, and the second fan is used for enabling the first air and the second air to flow mutually.
10. A battery assembly, the battery assembly comprising
The control apparatus of any one of claims 1 to 9;
and a plurality of batteries, each of which is used for storing energy.
CN202310912074.1A 2023-07-21 2023-07-21 Control device and battery pack Pending CN117580313A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310912074.1A CN117580313A (en) 2023-07-21 2023-07-21 Control device and battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310912074.1A CN117580313A (en) 2023-07-21 2023-07-21 Control device and battery pack

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