WO2023040066A1 - Système de stockage d'énergie domestique - Google Patents

Système de stockage d'énergie domestique Download PDF

Info

Publication number
WO2023040066A1
WO2023040066A1 PCT/CN2021/135378 CN2021135378W WO2023040066A1 WO 2023040066 A1 WO2023040066 A1 WO 2023040066A1 CN 2021135378 W CN2021135378 W CN 2021135378W WO 2023040066 A1 WO2023040066 A1 WO 2023040066A1
Authority
WO
WIPO (PCT)
Prior art keywords
energy storage
heat dissipation
storage unit
bottom plate
storage system
Prior art date
Application number
PCT/CN2021/135378
Other languages
English (en)
Chinese (zh)
Inventor
鬲新海
王大庆
宋海生
刘正华
李恒
Original Assignee
深圳市富兰瓦时技术有限公司
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 深圳市富兰瓦时技术有限公司 filed Critical 深圳市富兰瓦时技术有限公司
Publication of WO2023040066A1 publication Critical patent/WO2023040066A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H01M10/6563—Gases with forced flow, e.g. by blowers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J15/00—Systems for storing electric energy
    • 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
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0213—Venting apertures; Constructional details thereof
    • 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
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/03—Covers
    • 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
    • H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
    • H05K7/20509—Multiple-component heat spreaders; Multi-component heat-conducting support plates; Multi-component non-closed heat-conducting structures
    • 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
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • 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
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
    • 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

Definitions

  • Embodiments of the present invention relate to the technical field of energy storage, and in particular to a household energy storage system.
  • home energy storage products are mostly system products composed of split, modular or simple integration. It is mainly reflected in the independence of the energy storage inverter, the independence of the energy storage battery pack, and even the independence of the battery management system. These components are integrated into system products through system development; It needs to be stacked in series and parallel to form.
  • the heat dissipation modules in home energy storage products are independent of each other, and most of them use natural heat dissipation, the system heat dissipation effect is poor, affecting the overall service life of the system, and seriously affecting the practical experience of customers.
  • the embodiment of the present invention provides a home energy storage system to realize the overall heat dissipation of the home energy storage system.
  • the combination of natural heat dissipation and auxiliary heat dissipation improves the overall heat dissipation capability, thereby ensuring the service life of the home energy storage system.
  • An embodiment of the present invention provides a home energy storage system, including: a chassis casing, the chassis casing including a backplane and at least two bottom panels stacked;
  • the home energy storage system also includes an energy storage unit located in the chassis casing and on one side of the bottom plate, a battery management unit and an inverter unit located on the side of the energy storage unit away from the bottom plate, and a battery management unit and an inverter unit located on the side of the bottom plate.
  • the heat dissipation channels are respectively set corresponding to the energy storage units
  • the bottom plate is set correspondingly to the energy storage unit
  • the energy storage unit includes a heat dissipation surface close to the bottom plate, and a heat conduction material and an insulating spacer surrounding the heat conduction material are arranged between the heat dissipation surface and the base plate.
  • the bottom plate includes a first bottom plate and a second bottom plate
  • the energy storage unit includes a first energy storage unit and a second energy storage unit
  • the heat dissipation surface includes a first heat dissipation surface and a second heat dissipation surface
  • the first energy storage unit is located on one side of the first bottom plate
  • the second bottom plate is located on a side of the first energy storage unit away from the first bottom plate
  • the second energy storage unit is located on the second the side of the bottom plate away from the first bottom plate
  • the first energy storage unit includes a first heat dissipation surface on a side close to the first bottom plate;
  • the second energy storage unit includes a second heat dissipation surface on a side close to the second bottom plate;
  • a thermally conductive material and an insulating spacer surrounding the thermally conductive material are disposed between the first heat dissipation surface and the first bottom plate;
  • a thermally conductive material and an insulating spacer surrounding the thermally conductive material are disposed between the second heat dissipation surface and the second bottom plate.
  • the first energy storage unit includes a first surface away from the side of the first bottom plate and opposite to the first heat dissipation surface
  • the second energy storage unit includes a side away from the second bottom plate. A second surface on the side and opposite to the second heat dissipation surface;
  • Both the first surface and the second surface are provided with electrode connection terminals and pressure relief valves.
  • the heat dissipation channel includes a heat dissipation channel housing, and the heat dissipation channel housing and the back plate form a heat dissipation chamber;
  • the heat dissipation chamber includes an air inlet and an air outlet, the air inlet is located on a side close to the first bottom plate, the air outlet is located on a side of the air inlet away from the first bottom plate, and the air outlet
  • the tuyere is set corresponding to the battery management unit.
  • the air outlet includes a plurality of sub-air outlets, and the sub-air outlets are provided with fans.
  • the chassis case further includes a detachable cover plate, the cover plate is located on a side of the first energy storage unit away from the back plate and covers the first energy storage unit; the cover The plate is located on the side of the second energy storage unit away from the back plate and covers the second energy storage unit;
  • An explosion-proof valve penetrating through the cover plate is arranged on the cover plate.
  • the home energy storage system further includes a heat dissipation substrate of an energy storage unit located between the backplane and the heat dissipation channel;
  • the heat dissipation substrate of the energy storage unit is arranged corresponding to the first energy storage unit.
  • the home energy storage system further includes a heat dissipation substrate of an inverter unit, and the heat dissipation substrate of the inverter unit is arranged corresponding to the inverter unit.
  • the chassis housing further includes a side support plate, and the side support plate is provided with a user operation unit.
  • the thermally conductive material includes at least one of thermally conductive silica gel, metal oxide or metal nitride.
  • the present invention provides a home energy storage system.
  • the home energy storage system includes: a chassis casing, the chassis casing includes a back plate and at least two bottom plates stacked; the home energy storage system also includes a The energy storage unit on the side of the bottom plate, the battery management unit and inverter unit located on the side away from the energy storage unit from the bottom plate, and the heat dissipation channel located outside the chassis shell and on the side of the back plate; the heat dissipation channels are respectively set corresponding to the energy storage unit; the bottom plate Corresponding to the energy storage unit; the energy storage unit includes a heat dissipation surface close to the bottom plate, and a heat conduction material and an insulating spacer surrounding the heat conduction material are arranged between the heat dissipation surface and the bottom plate.
  • the difficulty of assembly is reduced, and a heat dissipation channel is provided outside the chassis shell to provide auxiliary heat dissipation, and cooperate with the energy storage unit battery and battery management
  • the natural heat dissipation performance of the unit and inverter unit improves the overall heat dissipation capacity of the system and improves the safety and service life of the system.
  • Fig. 1 is a front view of a household energy storage system provided by an embodiment of the present invention
  • Fig. 2 is a left view of a household energy storage system provided by an embodiment of the present invention.
  • Fig. 3 is a schematic structural diagram of an energy storage unit provided by an embodiment of the present invention.
  • Fig. 4 is a partial structural schematic diagram of an energy storage unit provided by an embodiment of the present invention.
  • Fig. 5 is a side view of a household energy storage system provided by an embodiment of the present invention.
  • Fig. 6 is a side view of another household energy storage system provided by an embodiment of the present invention.
  • FIG. 1 is a front view of a home energy storage system provided by an embodiment of the present invention
  • Fig. 2 is a left view of a home energy storage system provided by an embodiment of the present invention
  • Fig. 3 is a home energy storage system provided by an embodiment of the present invention
  • FIG. 4 is a partial structural schematic diagram of an energy storage unit provided by an embodiment of the present invention.
  • the home energy storage system 100 includes: a chassis body 101, the chassis shell 101 includes a backplane 102 and at least two bottom plates 103 stacked;
  • the home energy storage system 100 also includes an energy storage unit 104 located in the chassis shell 101 and on the side of the base plate 103, a battery management unit 105 and an inverter unit 106 located on the side of the energy storage unit 104 away from the base plate 103, and a The heat dissipation channel 107 outside the 101 and located on one side of the backplane 102;
  • the cooling channels 107 are set correspondingly to the energy storage units 104;
  • the bottom plate 103 is set corresponding to the energy storage unit 104;
  • the energy storage unit 104 includes a heat dissipation surface 108 near the bottom plate 103 , and a heat conduction material 109 and an insulating spacer 110 surrounding the heat conduction material 109 are disposed between the heat dissipation surface 108 and the base plate 103 .
  • FIG. 2 and FIG. 3 exemplarily illustrate that two bottom plates 103 are provided, and the specific number of installations can be selected according to actual design requirements, and is not specifically limited in the embodiment of the present invention.
  • the home energy storage system 100 includes a chassis shell 101 , and the chassis shell 101 includes a backboard 102 and two bottom boards 103 , and the two bottom boards 103 are arranged perpendicular to the backboard 102 .
  • the chassis shell 101 includes an energy storage unit 104 on the side of the bottom plate 103, a battery management unit 105 and an inverter unit 106 on the side of the energy storage unit 104 away from the bottom plate 103.
  • the energy storage unit 104 can be a battery pack, and the battery pack is composed of a plurality of batteries, which can realize charging and discharging.
  • the battery management unit 105 can be a battery management system (Battery Management System, BMS), which is the link between the energy storage unit 104 and the user.
  • BMS Battery Management System
  • the inverter unit 106 is used to convert the received DC current into an AC circuit or the received AC current into a DC current, so that the energy storage unit 104, the battery management unit 105 and the inverter unit 1065 all have the ability of natural heat dissipation, Further, by setting the heat dissipation passage 107 outside the chassis shell 101 and on the side of the backplane 102, the vertical projection of the heat dissipation passage 107 on the backplane 102 partially overlaps the vertical projection of the energy storage unit 104 on the backplane 102, and the heat dissipation passage 107 is set corresponding to the energy storage unit 104.
  • the energy storage unit 104 According to the placement positions of the energy storage unit 104, the battery management unit 105 and the inverter unit 106 in the chassis shell 101, the energy storage unit 104, the battery management unit 105 and the inverter unit can be realized.
  • the auxiliary heat dissipation of 106 can effectively improve the overall heat dissipation effect.
  • the energy storage unit 104 will generate heat in the working state, in order to ensure the good heat dissipation effect of the energy storage unit 104, the energy storage unit 104 includes a heat dissipation surface 108 on the side close to the bottom plate 103, and a heat conducting surface 108 is arranged between the heat dissipation surface 108 and the bottom plate 103.
  • the material 109 and the insulating spacer 110 surrounding the heat-conducting material 109, and the bottom plate 103 is connected to the back plate 102, the heat generated by the energy storage unit 104 can be transmitted to the back plate 102 through the bottom plate 103, and through the heat dissipation outside the chassis shell 101
  • the channels 107 take away heat to realize heat dissipation.
  • the heat conduction material 109 is mainly used between the heat source and the heat dissipation element to play a good heat conduction role.
  • the insulating spacer 110 may be a circular part supported by insulating materials such as plastic and resin.
  • the insulation spacer 110 and the heat conduction material 109 are arranged between the bottom plate 103 and the energy storage unit 104 to have good insulation and heat conduction effects, ensure sufficient contact to reduce thermal resistance, and improve the heat dissipation efficiency of the home energy storage system 100 .
  • the heat dissipation channel is set corresponding to the energy storage unit, so as to realize the heat dissipation channel for the home energy storage system composed of the energy storage unit, the battery management unit and the inverter unit.
  • the bottom plate 103 includes a first bottom plate 1031 and a second bottom plate 1032
  • the energy storage unit 104 includes a first energy storage unit 1041 and a second energy storage unit 1042
  • the heat dissipation surface 108 includes a first The heat dissipation surface 1081 and the second heat dissipation surface 1082
  • the first energy storage unit 1041 is located on the side of the first bottom plate 1031
  • the second bottom plate 1032 is located on the side of the first energy storage unit 1041 away from the first bottom plate 1031
  • the second energy storage unit 1042 Located on the side of the second bottom plate 1032 away from the first bottom plate 1031;
  • the first energy storage unit 1041 includes a first heat dissipation surface 1081 on the side close to the first bottom plate 1031;
  • the second energy storage unit 1042 includes a second heat dissipation surface 1082 on the side close to the second bottom plate 1032;
  • a thermally conductive material 109 and an insulating spacer 110 surrounding the thermally conductive material 109 are disposed between the first heat dissipation surface 1081 and the first bottom plate 1031 ;
  • a thermally conductive material 109 and an insulating spacer 110 surrounding the thermally conductive material 109 are disposed between the second heat dissipation surface 1082 and the second bottom plate 1032 .
  • first energy storage unit 1041 and the first bottom plate 1031 are only shown in FIG. Two energy storage units 1042; the first energy storage unit 1041 is located on the side of the first bottom plate 1031, and the second bottom plate 1032 is located on the side of the first energy storage unit 1041 away from the first bottom plate 1031, because the first energy storage unit 1041 and the second
  • the energy storage unit 1042 is stacked, the first energy storage unit 1041 and the second energy storage unit 1042 can be connected in parallel or in series to complete the work, and the first energy storage unit 1041 and the second energy storage unit 1042 are separated by a second bottom plate 1032.
  • the expansion failure occurs in the first energy storage unit 1041, due to the existence of the second bottom plate 1032, the liquid ejected by the first energy storage unit 1041 is blocked by the second bottom plate 1032, and the second bottom plate 1032 can act The function of the partition is avoided, and additional partitions are avoided, which will not cause damage to the second energy storage unit 1042.
  • the expansion failure of the second energy storage unit 1042 occurs, the principle is the same, and will not be repeated here.
  • the second bottom plate 1032 not only plays the role of heat conduction but also plays the role of a partition, effectively reducing the interaction caused by the failure of the first energy storage unit 1041 and the second energy storage unit 1042 , and improving the safety of the home energy storage system 100 .
  • the first energy storage unit 1041 includes a first heat dissipation surface 1081 near the first bottom plate 1031; a heat conduction material 109 and an insulating spacer 110 surrounding the heat conduction material 109 are arranged between the first heat dissipation surface 1081 and the first bottom plate 1031; The spacer 110 and the heat conducting material 109 are arranged between the first bottom plate 1031 and the first heat dissipation surface 1081 of the first energy storage unit 1041 , so as to have good insulation and heat conduction effects on the first energy storage unit 1041 .
  • the second energy storage unit 1042 includes a second heat dissipation surface 1082 near the second bottom plate 1032; a heat conduction material 109 and an insulating spacer 110 surrounding the heat conduction material 109 are arranged between the second heat dissipation surface 1082 and the second bottom plate 1032; The spacer 110 and the heat conducting material 109 are disposed between the second bottom plate 1032 and the second heat dissipation surface 1082 of the second energy storage unit 1042 , so as to provide good insulation and heat conduction effects for the second energy storage unit 1042 .
  • the thermally conductive material 109 includes at least one of thermally conductive silica gel, metal oxide or metal nitride.
  • the heat conduction material 109 is applied between the heat source and the heat dissipation element to reduce the thermal resistance of the contact surface and play a good heat conduction role.
  • the heat conduction material 110 can be composed of heat conduction silica gel, metal oxide or metal nitride, etc. The natural heat dissipation of the first energy storage unit 1041 and the second energy storage unit 1042 in the working state improves the safety of the home energy storage system 100 .
  • the first energy storage unit 1041 includes a first surface 1083 away from the side of the first bottom plate 1031 and opposite to the first heat dissipation surface 1081
  • the second energy storage unit 1042 includes a The second surface 1084 on one side of the bottom plate 1032 and opposite to the second heat dissipation surface 1082;
  • Both the first surface 1081 and the second surface 1084 are provided with electrode connection terminals and pressure relief valves.
  • the first energy storage unit 1041 and the second energy storage unit 1042 are provided with a plurality of pressure relief valves, and the pressure relief valves can be set according to the number of cells in the energy storage unit, and the specific number of settings can be based on actual design requirements selection, which is not specifically limited in this embodiment of the present invention.
  • the first surface 1081 and the second energy storage unit 1042 of the first energy storage unit 1041 are away from the side of the first bottom plate 1031 and opposite to the first heat dissipation surface 1081 and the second energy storage unit 1042 is away from the side of the second bottom plate 1032 and opposite to the second heat dissipation surface 1082
  • the first surface 1081 provided, the first surface 1083 and the second surface 1084 are all provided with electrode connection terminals and pressure relief valves (not shown in the figure), and the electrode connection terminals include positive connection terminals and negative connection terminals, which can be connected with The positive and negative poles of the external electrical components are connected, and the pressure relief valve is used to release the pressure inside the first energy storage unit 1041 and the second energy storage unit 1042 to avoid explosion due to excessive air pressure.
  • the first surface 1083 of the first energy storage unit 1041 provided with the electrode connection terminal and the pressure relief valve is located on the side away from the first bottom plate 1031 and the second surface of the second energy storage unit 1042 provided with the electrode connection terminal and the pressure relief valve 1084 is located on the side away from the second bottom plate 1032, that is, the first energy storage unit 1041 and the second energy storage unit 1042 are placed inside the chassis shell 101, which is convenient for the user to assemble and operate, improves the efficiency of production and assembly, and further reduces the cost of the home energy storage system 100. manufacturing cost.
  • Fig. 5 is a side view of a home energy storage system provided by an embodiment of the present invention
  • Fig. 6 is a side view of another home energy storage system provided by an embodiment of the present invention, as shown in Fig. 5 and Fig. 6
  • the heat dissipation channel 107 includes a heat dissipation channel housing 1071, and the heat dissipation channel housing 1071 and the back plate 102 form a heat dissipation chamber;
  • the heat dissipation chamber includes an air inlet 111 and an air outlet 112.
  • the air inlet 111 is located on the side close to the first bottom plate 1031, and the air outlet 112 is located on the side of the air inlet 111 away from the first bottom plate 1031.
  • the air outlet 112 is connected to the battery management unit 105 corresponding settings.
  • the heat dissipation channel 107 includes a heat dissipation channel housing 1071, and the heat dissipation channel housing 1071 and the back plate 102 form a heat dissipation chamber; 100% overall heat dissipation.
  • the heat dissipation chamber includes an air inlet 111 and an air outlet 112.
  • the air inlet 111 is located on the side close to the first bottom plate 1031, and the air outlet 112 is located on the side of the air inlet 111 away from the first bottom plate 1031.
  • the air outlet 112 is connected to the battery management unit 105 corresponding settings.
  • the vertical projection of the heat dissipation channel housing 1071 on the backplane 102 partially overlaps the vertical projection of the energy storage unit 104 on the backplane 102, and the vertical projection of the air inlet 111 on the backplane 102 is located at the position of the energy storage unit 104 on the backplane 102.
  • the air inlet 111 and the air outlet 112 are designed so that the energy storage unit 104, the battery management unit 105 and the inverter unit 106 can all be air-cooled and dissipated, improving the heat dissipation capacity of the home energy storage system 100.
  • the air outlet 112 includes a plurality of sub-air outlets, and the sub-air outlets are provided with a fan 1121 .
  • the air outlet 112 includes a plurality of sub-air outlets, and the corresponding sub-air outlets are provided with a fan 1121, and the vertical projection of the fan 1121 on the backplane 102 overlaps with the vertical projection of the power management unit 105 on the backplane 102, so that the fan 1121 In this way, the power management unit 105 can be dissipated.
  • three fans 1121 are arranged outside the chassis shell 101 and on one side of the backplane 102 , and the specific number can be selected according to actual design requirements, which is not specifically limited in the embodiment of the present invention.
  • the wind through the air inlet 111 enters the fan 1121 through the energy storage unit 104 and the heat dissipation chamber, and the fan 1121 rotates to blow the wind to the inverter unit 106, so as to realize the overall auxiliary heat dissipation of the home energy storage system 100 by the heat dissipation channel 107 and improve the home energy storage system.
  • the heat dissipation capability of the energy system 100 as a whole.
  • the chassis housing 101 further includes a detachable cover plate 113 , the cover plate 113 is located on the side of the first energy storage unit 1041 away from the backplane 102 and covers the first energy storage unit 1041 ;
  • the cover plate 113 is located on the side of the second energy storage unit 1042 away from the back plate 102 and covers the second energy storage unit 102 ;
  • the cover plate 113 is provided with an explosion-proof valve 114 penetrating through the cover plate 113 .
  • the chassis shell 101 includes a detachable cover plate 113, the cover plate 113 is located on the side of the first energy storage unit 1041 away from the backplane 102 and covers the first energy storage unit 1041 and is located on the side of the second energy storage unit 1042 away from the backplane 102 and covers the second energy storage unit 1042, the cover plate 113 is removed when the user needs to check or maintain the first energy storage unit 1041 and the second energy storage unit 1042 inside the chassis shell 101, the first energy storage unit When the energy unit 1041 and the second energy storage unit 1042 are in normal working condition, the cover plate 113 can be installed on the chassis shell 101 to protect the first energy storage unit 1041 and the second energy storage unit 1042 .
  • the inside of the chassis casing 101 is in a sealed environment.
  • any one of the first energy storage unit 1041 and the second energy storage unit 1042 The expansion phenomenon causes the air pressure inside the chassis shell 101 to rise.
  • an explosion-proof valve 114 penetrating through the cover plate 113 is provided on the cover plate 113.
  • the explosion-proof valve 114 senses When the air pressure inside the chassis shell 101 is greater than the preset air pressure threshold, the explosion-proof valve 114 will be opened in time to release the air pressure to ensure the safety performance of the home energy storage system 100 .
  • the home energy storage system 100 further includes a heat dissipation substrate 115 of the energy storage unit located between the backplane 102 and the heat dissipation channel 107;
  • the heat dissipation substrate 115 of the energy storage unit is arranged corresponding to the first energy storage unit 1041 .
  • the heat dissipation substrate 115 of the energy storage unit is arranged corresponding to the first energy storage unit 1041, that is, the vertical projection of the heat dissipation substrate 115 of the energy storage unit on the backplane 102 overlaps with the vertical projection of the first energy storage unit 1041 on the backplane 102, and the energy storage The unit heat dissipation substrate 115 is located on the side of the backplane 102 facing away from the first energy storage unit 1041, because the first bottom plate 1031 of the first energy storage unit 1041 and the second bottom plate 1032 of the second energy storage unit 1042 can take away the first energy storage unit
  • the working heat of the unit 1041 and the second energy storage unit 1042, the vertical projection of the first base plate 1031 and the second base plate 1032 on the back plate 102 all fall into the heat dissipation substrate 115 of the energy storage unit, so that the heat dissipation substrate 115 of the energy storage unit is in the working state
  • the heat generated below can be naturally dissipated through
  • the heat dissipation substrate 115 of the energy storage unit is located on the side of the backplane 102 close to the heat dissipation channel 107, so that the wind entering the heat dissipation chamber through the air inlet 111 has a great impact on the heat dissipation substrate 115 of the energy storage unit, the first energy storage unit 1041 and the heat dissipation chamber.
  • the second energy storage unit 1042 dissipates heat to improve the heat dissipation effect;
  • the heat dissipation substrate 115 of the energy storage unit is composed of a plurality of heat dissipation fins, and the heat dissipation fins are generally made of heat conducting metals such as aluminum, titanium, copper, etc., and the shape of the heat dissipation fins generally presents the following Realize the cooling effect.
  • the home energy storage system 100 further includes an inverter unit heat dissipation substrate 116 , and the inverter unit heat dissipation substrate 116 is disposed correspondingly to the inverter unit 106 .
  • the heat dissipation substrate 116 of the inverter unit is arranged corresponding to the inverter unit 106, that is, the vertical projection of the heat dissipation substrate 116 of the inverter unit on the backplane 102 overlaps with the vertical projection of the heat dissipation substrate 106 of the inverter unit on the backplane 102, and the heat dissipation substrate 116 of the inverter unit It is located on the side of the backplane 102 away from the inverter unit 106, so that the heat generated by the inverter unit 106 in the working state can be naturally dissipated through the heat dissipation substrate 116 of the inverter unit. Realize the cooling effect.
  • the case housing 101 further includes a side support plate 117 , and the side support plate 117 is provided with a user operation unit 118 .
  • the chassis shell 101 includes a side support plate 117, and the side support plate 117 is provided with a user operation unit 118.
  • the user operation unit 118 is used to facilitate the user to directly control the home energy storage system 100, so that the user can control the home energy storage system 100 The operation convenience of the energy storage system 100.

Landscapes

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

Abstract

La présente invention concerne, selon certains modes de réalisation, un système de stockage d'énergie domestique. Le système de stockage d'énergie domestique comprend : une coque de boîtier, la coque de boîtier comprenant une plaque arrière, et au moins deux plaques inférieures disposées de manière empilée. Le système de stockage d'énergie domestique comprend en outre des unités de stockage d'énergie, qui sont situées dans la coque de boîtier et situées sur un côté des plaques inférieures, une unité de gestion de batterie et une unité d'inversion, qui sont situées sur le côté des unités de stockage d'énergie à l'opposé des plaques inférieures, et un canal de dissipation de chaleur, qui est situé à l'extérieur de la coque de boîtier et situé sur un côté de la plaque arrière, le canal de dissipation de chaleur étant respectivement agencé correspondant aux unités de stockage d'énergie ; les plaques inférieures correspondent aux unités de stockage d'énergie ; et chaque unité de stockage d'énergie comprend une surface de dissipation de chaleur sur le côté proche de la plaque inférieure correspondante, et un matériau de conduction thermique et un séparateur isolant entourant le matériau de conduction thermique sont disposés entre la surface de dissipation de chaleur et la plaque inférieure correspondante. Le canal de dissipation de chaleur est disposé à l'extérieur de la coque de boîtier de façon à fournir une dissipation de chaleur auxiliaire, et fonctionne en coopération avec les performances de dissipation de chaleur naturelle des batteries d'unité de stockage d'énergie, l'unité de gestion de batterie et l'unité d'inversion, de telle sorte que la capacité globale de dissipation de chaleur du système est améliorée, et la sécurité et la durée de vie du système sont ainsi améliorées.
PCT/CN2021/135378 2021-09-15 2021-12-03 Système de stockage d'énergie domestique WO2023040066A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202111078991.1A CN113852155A (zh) 2021-09-15 2021-09-15 一种家庭储能系统
CN202111078991.1 2021-09-15

Publications (1)

Publication Number Publication Date
WO2023040066A1 true WO2023040066A1 (fr) 2023-03-23

Family

ID=78973984

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/135378 WO2023040066A1 (fr) 2021-09-15 2021-12-03 Système de stockage d'énergie domestique

Country Status (2)

Country Link
CN (1) CN113852155A (fr)
WO (1) WO2023040066A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113852154A (zh) * 2021-09-15 2021-12-28 深圳市富兰瓦时技术有限公司 一种家庭储能系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206505996U (zh) * 2016-12-30 2017-09-19 绿色储能技术研究院有限公司 一种集装箱型储能电站散热系统
CN207460090U (zh) * 2017-11-21 2018-06-05 江苏辉伦太阳能科技有限公司 一种户外型储能系统机柜
CN207677035U (zh) * 2017-12-12 2018-07-31 成都特隆美储能技术有限公司 一种高效散热的储能模组
CN209134124U (zh) * 2018-12-29 2019-07-19 南京冠隆电力科技有限公司 一种简易太阳能光伏逆变一体机
CN209843907U (zh) * 2019-07-22 2019-12-24 江苏时代新能源科技有限公司 二次电池
CN211791294U (zh) * 2020-01-16 2020-10-27 江苏阿诗特能源科技有限公司 一种储能逆变器的散热结构

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206505996U (zh) * 2016-12-30 2017-09-19 绿色储能技术研究院有限公司 一种集装箱型储能电站散热系统
CN207460090U (zh) * 2017-11-21 2018-06-05 江苏辉伦太阳能科技有限公司 一种户外型储能系统机柜
CN207677035U (zh) * 2017-12-12 2018-07-31 成都特隆美储能技术有限公司 一种高效散热的储能模组
CN209134124U (zh) * 2018-12-29 2019-07-19 南京冠隆电力科技有限公司 一种简易太阳能光伏逆变一体机
CN209843907U (zh) * 2019-07-22 2019-12-24 江苏时代新能源科技有限公司 二次电池
CN211791294U (zh) * 2020-01-16 2020-10-27 江苏阿诗特能源科技有限公司 一种储能逆变器的散热结构

Also Published As

Publication number Publication date
CN113852155A (zh) 2021-12-28

Similar Documents

Publication Publication Date Title
WO2013161654A1 (fr) Dispositif d'alimentation électrique, véhicule comprenant le dispositif d'alimentation électrique, et dispositif de stockage d'électricité
KR20120120663A (ko) 배터리팩 수납장치 및 이를 이용한 전력 저장용 배터리팩의 냉각 장치
JP2013084558A (ja) バッテリパック
KR20120016590A (ko) 콤팩트한 구조와 우수한 방열 특성의 전지모듈 및 그것을 포함하는 중대형 전지팩
JP2016225249A (ja) 電池パック
CN219419388U (zh) 电池单体、电池及用电装置
KR100637468B1 (ko) 이차 전지 모듈
WO2023040066A1 (fr) Système de stockage d'énergie domestique
JPWO2020170442A1 (ja) 充放電装置
CN115066789A (zh) 电动车辆风冷电池组
CN219106299U (zh) 一种电池包及用电装置
CN116565439A (zh) 电池包以及用电设备
WO2023040067A1 (fr) Système de stockage d'énergie domestique
CN114709544B (zh) 一种电池包及用电设备
KR20070006952A (ko) 이차 전지 모듈
CN217589100U (zh) 一种电池模组
CN113097639A (zh) 一种电池包
CN114464918A (zh) 一种电池包
JP2015065056A (ja) 電池システム
JP2013168214A (ja) 電池モジュール
CN220123302U (zh) 一种具有风道散热结构的移动电源逆变器
CN221102197U (zh) 一种电力储能电池包
CN221407452U (zh) 一种摩托车锂电池高效散热结构
WO2023123348A1 (fr) Module de batterie et bloc-batterie
CN221226369U (zh) 一种电池包的散热结构

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21957330

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21957330

Country of ref document: EP

Kind code of ref document: A1