WO2023040066A1 - Household energy storage system - Google Patents

Household energy storage system Download PDF

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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
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.)
Ceased
Application number
PCT/CN2021/135378
Other languages
French (fr)
Chinese (zh)
Inventor
鬲新海
王大庆
宋海生
刘正华
李恒
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.)
Franklinwh Technologies Co Ltd
Original Assignee
Franklinwh Technologies 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 Franklinwh Technologies Co Ltd filed Critical Franklinwh Technologies Co Ltd
Publication of WO2023040066A1 publication Critical patent/WO2023040066A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/70—Circuit arrangements for charging or discharging 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—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J15/00—Systems for storing electric energy specially adapted for power networks
    • 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.

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Abstract

Disclosed in the embodiments of the present invention is a household energy storage system. The household energy storage system comprises: a case shell, wherein the case shell comprises a back plate, and at least two bottom plates arranged in a stacked manner. The household energy storage system further comprises energy storage units, which are located in the case shell and located on a side of the bottom plates, a battery management unit and an inversion unit, which are located on the side of the energy storage units away from the bottom plates, and a heat dissipation channel, which is located outside the case shell and located on a side of the back plate, wherein the heat dissipation channel is respectively arranged corresponding to the energy storage units; the bottom plates correspond to the energy storage units; and each energy storage unit comprises a heat dissipation surface on the side close to the corresponding bottom plate, and a heat conduction material and an insulating separator surrounding the heat conduction material are arranged between the heat dissipation surface and the corresponding bottom plate. The heat dissipation channel is arranged outside the case shell so as to provide auxiliary heat dissipation, and works in cooperation with the natural heat dissipation performance of energy storage unit batteries, the battery management unit and the inversion unit, so that the overall heat dissipation capacity of the system is improved, and the safety and service life of the system are thus improved.

Description

一种家庭储能系统A home energy storage system 技术领域technical field

本发明实施例涉及储能技术领域，尤其涉及一种家庭储能系统。Embodiments of the present invention relate to the technical field of energy storage, and in particular to a household energy storage system.

背景技术Background technique

当前家庭储能产品多以分体式、模块化或简单集成组成的系统产品为主。主要体现在储能逆变器的独立、储能电池包的独立、甚至于电池管理系统的独立，这些部件通过系统开发集成为系统产品；储能电池包由小容量模块化的电池包根据系统需要串并联堆叠后组成。但由于家庭储能产品中各个散热模块相互独立，且多采用自然散热的方式，使得系统散热效果较差，影响系统整体使用寿命，进而严重影响客户的实用体验。At present, 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. However, since 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.

发明内容Contents of the invention

本发明实施例提供一种家庭储能系统，以实现对家庭储能系统的整体散热，自然散热与辅助散热相结合，提高整体的散热能力，进而保障家庭储能系统的使用寿命。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.

本发明实施例提供了一种家庭储能系统，包括：机箱壳体，所述机箱壳体包括背板和叠层设置的至少两个底板；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;

所述家庭储能系统还包括位于所述机箱壳体内且位于所述底板一侧的储能单元，位于所述储能单元远离所述底板一侧的电池管理单元和逆变单元以及位于所述机箱壳体外且位于所述背板一侧的散热通道；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. A heat dissipation channel outside the chassis shell and located on one side of the backplane;

所述散热通道分别与所述储能单元对应设置；The heat dissipation channels are respectively set corresponding to the energy storage units;

所述底板与所述储能单元对应设置；The bottom plate is set correspondingly to the energy storage unit;

所述储能单元包括靠近所述底板一侧的散热表面，所述散热表面与所述底板之间设置有导热材料和围绕导热材料的绝缘隔离件。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.

可选的，所述底板包括第一底板和第二底板，所述储能单元包括第一储能单元和第二储能单元；所述散热表面包括第一散热表面和第二散热表面；所述第一储能单元位于所述第一底板一侧，所述第二底板位于所述第一储能单元远离所述第一底板的一侧，所述第二储能单元位于所述第二底板远离所述第一底板的一侧；Optionally, 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, and the second energy storage unit is located on the second the side of the bottom plate away from the first bottom plate;

第一储能单元包括靠近所述第一底板一侧的第一散热表面；第二储能单元包括靠近所述第二底板一侧的第二散热表面；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;

所述第一散热表面与所述第一底板之间设置有导热材料和围绕导热材料的绝缘隔离件；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;

所述第二散热表面与所述第二底板之间设置有导热材料和围绕导热材料的绝缘隔离件。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.

可选的，所述第一储能单元包括远离所述第一底板一侧且与所述第一散热表面相对设置的第一表面，所述第二储能单元包括远离所述第二底板一侧且与所述第二散热表面相对设置的第二表面；Optionally, 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, and 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;

所述第一表面和所述第二表面均设置有电极连接端子和泄压阀。Both the first surface and the second surface are provided with electrode connection terminals and pressure relief valves.

可选的，所述散热通道包括散热通道壳体，所述散热通道壳体与所述背板形成散热腔室；Optionally, 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;

所述散热腔室包括入风口和出风口，所述入风口位于靠近所述第一底板的一侧，所述出风口位于所述入风口远离所述第一底板的一侧，且所述出风口与所述电池管理单元对应设置。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.

可选的，所述出风口包括多个子出风口，且所述子出风口设置有风扇。Optionally, the air outlet includes a plurality of sub-air outlets, and the sub-air outlets are provided with fans.

可选的，所述机箱壳体还包括可拆卸的盖板，所述盖板位于所述第一储能单元远离所述背板的一侧且覆盖所述第一储能单元；所述盖板位于所述第二储能单元远离所述背板的一侧且覆盖所述第二储能单元；Optionally, 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;

所述盖板上设置有贯穿所述盖板的防爆阀。An explosion-proof valve penetrating through the cover plate is arranged on the cover plate.

可选的，所述家庭储能系统还包括位于所述背板与所述散热通道之间的储能单元散热基板；Optionally, 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;

所述储能单元散热基板与所述第一储能单元对应设置。The heat dissipation substrate of the energy storage unit is arranged corresponding to the first energy storage unit.

可选的，所述家庭储能系统还包括逆变单元散热基板，所述逆变单元散热基板与所述逆变单元对应设置。Optionally, 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.

可选的，所述机箱壳体还包括侧边支撑板，所述侧边支撑板设置有用户操作单元。Optionally, the chassis housing further includes a side support plate, and the side support plate is provided with a user operation unit.

可选的，所述导热材料包括导热硅胶、金属氧化物或金属氮化物中的至少一种。Optionally, the thermally conductive material includes at least one of thermally conductive silica gel, metal oxide or metal nitride.

本发明提供一种家庭储能系统，家庭储能系统包括：机箱壳体，所述机箱壳体包括背板和叠层设置的至少两个底板；家庭储能系统还包括位于机箱壳体内且位于底板一侧的储能单元，位于储能单元远离底板一侧的电池管理单元和逆变单元以及位于机箱壳体外且位于背板一侧的散热通道；散热通道分别与储能单元对应设置；底板与储能单元对应设置；储能单元包括靠近底板一侧的散热表面，散热表面与底板之间设置有导热材料和围绕导热材料的绝缘隔离件。通过在机箱壳体内部设置储能单元电池、电池管理单元和逆变单元，各自独立设置，降低装配难度，且在机箱壳体外设置有散热通道，提供辅助散热，配合储能单元电池、电池管理单元和逆变单元的自然散热性能，提高系统的整体散热能力，提高系统的安全性和使用寿命。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. By setting the energy storage unit battery, battery management unit and inverter unit inside the chassis shell, each of which is set independently, 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.

附图说明Description of drawings

为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图做一简单地介绍，显而易见地，下面描述中的附图虽然是本发明的一些具体的实施例，对于本领域的技术人员来说，可以根据本发明的各种实施例所揭示和提示的器件结构，驱动方法和制造方法的基本概念，拓展和延伸到其它的结构和附图，毋庸置疑这些都应该是在本发明的权利要求范围之内。In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description Although it is some specific embodiments of the present invention, for those skilled in the art, the basic concepts of device structures, driving methods and manufacturing methods disclosed and suggested by various embodiments of the present invention can be expanded and extended to Undoubtedly, other structures and drawings should fall within the scope of the claims of the present invention.

图1为本发明实施例提供的一种家庭储能系统的正视图；Fig. 1 is a front view of a household energy storage system provided by an embodiment of the present invention;

图2为本发明实施例提供的一种家庭储能系统的左视图；Fig. 2 is a left view of a household energy storage system provided by an embodiment of the present invention;

图3为本发明实施例提供的一种储能单元的结构示意图；Fig. 3 is a schematic structural diagram of an energy storage unit provided by an embodiment of the present invention;

图4为本发明实施例提供的一种一种储能单元的部分结构示意图；Fig. 4 is a partial structural schematic diagram of an energy storage unit provided by an embodiment of the present invention;

图5为本发明实施例提供的一种家庭储能系统的侧视图；Fig. 5 is a side view of a household energy storage system provided by an embodiment of the present invention;

图6为本发明实施例提供的另一种家庭储能系统的侧视图。Fig. 6 is a side view of another household energy storage system provided by an embodiment of the present invention.

具体实施方式Detailed ways

为使本发明的目的、技术方案和优点更加清楚，以下将参照本发明实施例中的附图，通过实施方式清楚、完整地描述本发明的技术方案，显然，所描述的实施例是本发明一部分实 施例，而不是全部的实施例。基于本发明中的实施例所揭示和提示的基本概念，本领域的技术人员所获得的所有其他实施例，都属于本发明保护的范围。In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described through implementation with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the embodiment of the present invention. Some, but not all, embodiments. All other embodiments obtained by those skilled in the art based on the basic concepts disclosed and suggested by the embodiments of the present invention belong to the protection scope of the present invention.

图1为本发明实施例提供的一种家庭储能系统的正视图，图2为本发明实施例提供的一种家庭储能系统的左视图，图3为本发明实施例提供的一种储能单元的结构示意图，图4为本发明实施例提供的一种储能单元的部分结构示意图，如图1、图2、图3和图4所示，该家庭储能系统100包括：机箱壳体101，机箱壳体101包括背板102和叠层设置的至少两个底板103；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, and Fig. 3 is a home energy storage system provided by an embodiment of the present invention A schematic structural diagram of an energy unit. FIG. 4 is a partial structural schematic diagram of an energy storage unit provided by an embodiment of the present invention. As shown in FIG. 1 , FIG. 2 , FIG. 3 and FIG. 4 , 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;

家庭储能系统100还包括位于机箱壳体101内且位于底板103一侧的储能单元104，位于储能单元104远离底板103一侧的电池管理单元105和逆变单元106以及位于机箱壳体101外且位于背板102一侧的散热通道107；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;

散热通道107分别与储能单元104对应设置；The cooling channels 107 are set correspondingly to the energy storage units 104;

底板103与储能单元104对应设置；The bottom plate 103 is set corresponding to the energy storage unit 104;

储能单元104包括靠近底板103一侧的散热表面108，散热表面108与底板103之间设置有导热材料109和围绕导热材料109的绝缘隔离件110。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 .

其中，图2和图3中示例性的以设置有两个底板103为例进行说明，具体的设置数量可根据实际的设计需求进行选择，本发明实施例不做具体限定。家庭储能系统100包括机箱壳体101，机箱壳体101包括背板102和两个底板103，两个底板103均与背板102相互垂直设置。机箱壳体101内包括位于底板103一侧的储能单元104，位于储能单元104远离底板103一侧的电池管理单元105和逆变单元106，由于底板103与储能单元104对应设置，因此两个底板103对应两个储能单元104。储能单元104、电池管理单元105和逆变单元106之间可以通过电缆进行电连接，以实现信号传递，储能单元104可以为电池包，电池包由多个电芯组成，可实现充放电。电池管理单元105可以为电池管理系统(Battery Management System，BMS)，是储能单元104与用户之间的纽带，为了能够提高储能单元104的利用率，防止储能单元104出现过度充电和过度放电的现象，达到延长电池的使用寿命，监控电池状态的目的。逆变单元106用于对接收到的直流电流转换为交流电路或接收的到的交流电流转换为直流电流，实现储能单元104、电池管理单元105和逆变单元1065均具备自然散热的能力，进一步通过在机箱壳体101外且位于背板102一侧设置散热通道107，散热通道107在背板102上的垂直投影与储能单元104在背板102上的垂直投影部分交叠，散热通道107与储能单元104对应设置，根据储能单元104、电池管理单元105和逆变单元106在机箱壳体101内的放置位置，可以实现对储能单元104、电池管理单元105和逆变单元106的辅助散热，有效提升整体的散热效果。由于储能单元104在工作状态下会产生热量，为保证储能单元104的良好散热效果，储能单元104包括靠近底板103一侧的散热表面108，散热表面108与底板103之间设置有导热材料109和围绕导热材料109的绝缘隔离件110，且底板103与背板102连接，可以经储能单元104产生的热量经底板103传输至背板102，并经过位于机箱壳体101外的散热通道107带走热量，实现散热。导热材料109主要应用于热源与散热元件之间，起到良好的导热作用。绝缘隔离件110可以由塑胶、树脂等绝缘材料支撑的回形部件。绝缘隔离件110和导热材料109设置在底板103和储能单元104之间，起到良好的绝缘、导热效果，确保充分接触降低热阻，提高家庭储能系统100的散热效率。Wherein, 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. Since the bottom plate 103 is set corresponding to the energy storage unit 104, The two bottom plates 103 correspond to the two energy storage units 104 . The energy storage unit 104, the battery management unit 105, and the inverter unit 106 can be electrically connected through cables to realize signal transmission. 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. In order to improve the utilization rate of the energy storage unit 104 and prevent the energy storage unit 104 from overcharging and over Discharge phenomenon, to prolong the service life of the battery, monitor the purpose of the battery status. 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. 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. Because 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 .

本发明实施例通过在机箱壳体外且位于背板一侧的散热通道，散热通道与储能单元对应设置，实现散热通道对储能单元、电池管理单元和逆变单元组成的家庭储能系统的辅助散热，配合储能单元、电池管理单元和逆变单元的自身散热性能，有效提高散热效果，提高家庭储能系统的安全性。In the embodiment of the present invention, through the heat dissipation channel outside the chassis shell and located on the side of the back plate, 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. Auxiliary heat dissipation, combined with the self-radiation performance of the energy storage unit, battery management unit and inverter unit, effectively improves the heat dissipation effect and improves the safety of the home energy storage system.

继续参考图3和图4，可选的，底板103包括第一底板1031和第二底板1032，储能单元104包括第一储能单元1041和第二储能单元1042；散热表面108包括第一散热表面1081和第二散热表面1082；第一储能单元1041位于第一底板1031一侧，第二底板1032位于第一储能单元1041远离第一底板1031的一侧，第二储能单元1042位于第二底板1032远离第一底板1031的一侧；Continuing to refer to FIG. 3 and FIG. 4 , optionally, 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, and the second energy storage unit 1042 Located on the side of the second bottom plate 1032 away from the first bottom plate 1031;

第一储能单元1041包括靠近第一底板1031一侧的第一散热表面1081；第二储能单元1042包括靠近第二底板1032一侧的第二散热表面1082；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;

第一散热表面1081与第一底板1031之间设置有导热材料109和围绕导热材料109的绝缘隔离件110；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 ;

第二散热表面1082与第二底板1032之间设置有导热材料109和围绕导热材料109的绝缘隔离件110。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 .

其中，图4中仅示例性的画出第一储能单元1041和第一底板1031进行展示，底板包括第一底板1031和第二底板1032，储能单元104包括第一储能单元1041和第二储能单元1042；第一储能单元1041位于第一底板1031一侧，第二底板1032位于第一储能单元1041远离第一底板1031的一侧，由于第一储能单元1041和第二储能单元1042叠层设置，第一储能单元1041和第二储能单元1042可以并联或串联连接以完成工作，并且第一储能单元1041和第二储能单元1042之间间隔第二底板1032，示例性的，当第一储能单元1041出现膨胀故障时，由于第二底板1032的存在，使得第一储能单元1041喷射出的液体由第二底板1032阻挡，第二底板1032可以起到隔板的作用，避免额外设置隔板，不会对第二储能单元1042造成损伤，同理当第二储能单元1042出现膨胀故障时，原理相同，在此不做过多赘述。第二底板1032不仅起到导热作用还起到隔板作用，有效降低第一储能单元1041和第二储能单元1042失效造成的相互影响，提升家庭储能系统100安全性。第一储能单元1041包括靠近第一底板1031一侧的第一散热表面1081；第一散热表面1081与第一底板1031之间设置有导热材料109和围绕导热材料109的绝缘隔离件110；绝缘隔离件110和导热材料109设置在第一底板1031和第一储能单元1041的第一散热表面1081之间，起到对第一储能单元1041的良好的绝缘、导热效果。第二储能单元1042包括靠近第二底板1032一侧的第二散热表面1082；第二散热表面1082与第二底板1032之间设置有导热材料109和围绕导热材料109的绝缘隔离件110；绝缘隔离件110和导热材料109设置在第二底板1032和第二储能单元1042的第二散热表面1082之间，起到对第二储能单元1042良好的绝缘、导热效果。Wherein, the 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. Exemplarily, when 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. Similarly, when 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 .

继续参考图4，可选的，导热材料109包括导热硅胶、金属氧化物或金属氮化物中的至少一种。Continuing to refer to FIG. 4 , optionally, the thermally conductive material 109 includes at least one of thermally conductive silica gel, metal oxide or metal nitride.

其中，导热材料109应用于热源与散热元件之间，以降低接触面的热阻，起到良好的导热作用，导热材料110可以为导热硅胶、金属氧化物或金属氮化物等材料组成，起到对第一 储能单元1041和第二储能单元1042在工作状态下的自然散热，提高家庭储能系统100的安全性。Among them, 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 .

继续参考图3和图4，可选的，第一储能单元1041包括远离第一底板1031一侧且与第一散热表面1081相对设置的第一表面1083，第二储能单元1042包括远离第二底板1032一侧且与第二散热表面1082相对设置的第二表面1084；Continuing to refer to FIG. 3 and FIG. 4 , optionally, 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 , and 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;

第一表面1081和第二表面1084均设置有电极连接端子和泄压阀。Both the first surface 1081 and the second surface 1084 are provided with electrode connection terminals and pressure relief valves.

其中，第一储能单元1041和第二储能单元1042内均设置有多个泄压阀，泄压阀可以根据储能单元中的电芯数量进行相应设置，具体设置数量可以根据实际设计需求进行选择，本发明实施例不做具体限定。第一储能单元1041的远离第一底板1031一侧且与第一散热表面1081相对设置的第一表面1081和第二储能单元1042远离第二底板1032一侧且与第二散热表面1082相对设置的第一表面1081，第一表面1083和第二表面1084均设置有电极连接端子和泄压阀(图中并未示出)，电极连接端子包括正极连接端子和负极连接端子，可分别与外部电气元件的正极、负极相连，泄压阀用于释放第一储能单元1041和第二储能单元1042内部的压力，避免因气压过大，产生爆炸。第一储能单元1041中设置有电极连接端子和泄压阀的第一表面1083位于远离第一底板1031一侧和第二储能单元1042中设置有电极连接端子和泄压阀的第二表面1084位于远离第二底板1032一侧，即第一储能单元1041和第二储能单元1042正放于机箱壳体101内部，方便用户装配操作，提高生产装配效率，进一步降低家庭储能系统100的制造成本。Among them, 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.

继续参考图1，图5为本发明实施例提供的一种家庭储能系统的侧视图，图6为本发明实施例提供的另一种家庭储能系统的侧视图，如图5和图6所示，可选的，散热通道107包括散热通道壳体1071，散热通道壳体1071与背板102形成散热腔室；Continuing to refer to Fig. 1, Fig. 5 is a side view of a home energy storage system provided by an embodiment of the present invention, and 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 As shown, optionally, 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;

散热腔室包括入风口111和出风口112，入风口111位于靠近第一底板1031的一侧，出风口112位于入风口111远离第一底板1031的一侧，且出风口112与电池管理单元105对应设置。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.

其中，散热通道107包括散热通道壳体1071，散热通道壳体1071与背板102形成散热腔室；散热腔室用于经入风口111进入的流动风带走热量，起到对家庭储能系统100的整体散热作用。散热腔室包括入风口111和出风口112，入风口111位于靠近第一底板1031的一侧，出风口112位于入风口111远离第一底板1031的一侧，且出风口112与电池管理单元105对应设置。散热通道壳体1071在背板102上的垂直投影与储能单元104在背板102上的垂直投影部分交叠，入风口111在背板102上的垂直投影位于储能单元104在背板102上的垂直投影中，以使得入风口111和出风口112的设计可对储能单元104、电池管理单元105和逆变单元106均能进行风冷散热，提升家庭储能系统100的散热能力。Wherein, 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. In the vertical projection above, 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.

继续参考图5和图6，可选的，出风口112包括多个子出风口，且子出风口设置有风扇1121。Continuing to refer to FIG. 5 and FIG. 6 , optionally, the air outlet 112 includes a plurality of sub-air outlets, and the sub-air outlets are provided with a fan 1121 .

其中，出风口112包括多个子出风口，对应的子出风口设置有风扇1121，风扇1121在背板102的垂直投影与电源管理单元105在背板102的垂直投影重叠，使得风扇1121在转动过程中可以对电源管理单元105进行散热。示例性的在机箱壳体101外且位于背板102一侧设置三个风扇1121，具体数量可根据实际设计需求进行选择，本发明实施例不做具体限定。经入风口111的风经储能单元104、散热腔室进入风扇1121，由风扇1121转动将风吹至逆变单元106，实现散热通道107对家庭储能系统100的整体辅助散热，提高家庭储能系统100的整机散热能力。Wherein, 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. Exemplarily, 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.

继续参考图1和图2，可选的，机箱壳体101还包括可拆卸的盖板113，盖板113位于第一储能单元1041远离背板102的一侧且覆盖第一储能单元1041；盖板113位于第二储能 单元1042远离背板102的一侧且覆盖第二储能单元102；Continuing to refer to FIG. 1 and FIG. 2 , optionally, 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 ;

盖板113上设置有贯穿盖板113的防爆阀114。The cover plate 113 is provided with an explosion-proof valve 114 penetrating through the cover plate 113 .

其中，机箱壳体101包括可拆卸的盖板113，盖板113位于第一储能单元1041远离背板102的一侧且覆盖第一储能单元1041和位于第二储能单元1042远离背板102的一侧且覆盖第二储能单元1042，盖板113在用户需要对机箱壳体101内部的第一储能单元1041和第二储能单元1042进行查看或维护时取下，第一储能单元1041和第二储能单元1042处于正常工作状态下，可将盖板113安装与机箱壳体101上，对第一储能单元1041和第二储能单元1042进行保护。由于第一储能单元1041和第二储能单元1042由盖板覆盖时，机箱壳体101内部处于密封环境，当第一储能单元1041和第二储能单元1042中的任意一个电芯存在膨胀现象，使得机箱壳体101内部的气压升高，为防止机箱壳体101内部因气压过大发生爆炸，在盖板113上设置有贯穿盖板113的防爆阀114，当防爆阀114感应到机箱壳体101内部的气压值大于预设气压阈值时，会及时打开防爆阀114，进行气压外放，保证家庭储能系统100的安全性能。Wherein, 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 . Since the first energy storage unit 1041 and the second energy storage unit 1042 are covered by the cover plate, the inside of the chassis casing 101 is in a sealed environment. When 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. In order to prevent the inside of the chassis shell 101 from exploding due to excessive air pressure, an explosion-proof valve 114 penetrating through the cover plate 113 is provided on the cover plate 113. When 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 .

继续参考图5，可选的，家庭储能系统100还包括位于背板102与散热通道107之间的储能单元散热基板115；Continuing to refer to FIG. 5 , optionally, 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;

储能单元散热基板115与第一储能单元1041对应设置。The heat dissipation substrate 115 of the energy storage unit is arranged corresponding to the first energy storage unit 1041 .

其中，储能单元散热基板115与第一储能单元1041对应设置，即储能单元散热基板115在背板102的垂直投影与第一储能单元1041在背板102的垂直投影重叠，储能单元散热基板115位于背板102背离第一储能单元1041一侧，由于第一储能单元1041的第一底板1031和第二储能单元1042的第二底板1032，可以带走第一储能单元1041和第二储能单元1042的工作热量，第一底板1031和第二底板1032在背板102的垂直投影均落入储能单元散热基板115，使得储能单元散热基板115在工作运行状态下产生的热量均能通过储能单元散热基板115实现自然散热。储能单元散热基板115在背板102的垂直投影与储能单元散热基板115在背板102的垂直投影部分交叠，且散热通道107的入风口111在在背板102的垂直投影位于储能单元散热基板115上，储能单元散热基板115位于背板102靠近散热通道107的一侧，使得由入风口111进入散热腔室内的风对储能单元散热基板115、第一储能单元1041和第二储能单元1042进行散热，提高散热效果；储能单元散热基板115由多个散热板翅组成，散热板翅一般为铝、钛、铜等导热金属制作，散热板翅的形状一般呈现以实现散热效果。Wherein, 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. 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 heat dissipation substrate 115 of the energy storage unit on the backplane 102, and the air inlet 111 of the heat dissipation channel 107 is located at the position of the vertical projection of the heat dissipation channel 107 on the backplane 102 On the heat dissipation substrate 115 of the unit, 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.

继续参考图5，可选的，家庭储能系统100还包括逆变单元散热基板116，逆变单元散热基板116与逆变单元106对应设置。Continuing to refer to FIG. 5 , optionally, 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 .

其中，逆变单元散热基板116与逆变单元106对应设置，即逆变单元散热基板116在背板102的垂直投影与逆变单元106在背板102的垂直投影重叠，逆变单元散热基板116位于背板102背离逆变单元106一侧，使得逆变单元106工作运行状态下产生的热量通过逆变单元散热基板116实现自然散热，逆变单元散热基板116由多个散热板翅组成，以实现散热效果。Wherein, 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.

继续参考图2，可选的，机箱壳体101还包括侧边支撑板117，侧边支撑板117设置有用户操作单元118。Continuing to refer to FIG. 2 , optionally, 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 .

其中，其中，机箱壳体101包括侧边支撑板117，侧边支撑板117设置有用户操作单元118，用户操作单元118用于方便用户对家庭储能系统100进行直接控制，以实现用户对家庭储能系统100的操作便捷性。Among them, 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.

注意，上述仅为本发明的较佳实施例及所运用技术原理。本领域技术人员会理解，本发明不限于这里所述的特定实施例，对本领域技术人员来说能够进行各种明显的变化、重新调整、相互组合和替代而不会脱离本发明的保护范围。因此，虽然通过以上实施例对本发明进 行了较为详细的说明，但是本发明不仅仅限于以上实施例，在不脱离本发明构思的情况下，还可以包括更多其他等效实施例，而本发明的范围由所附的权利要求范围决定。Note that the above are only preferred embodiments of the present invention and applied technical principles. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described here, and various obvious changes, readjustments, mutual combinations and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present invention, and the present invention The scope is determined by the scope of the appended claims.

Claims (10)

一种家庭储能系统，其特征在于，包括：机箱壳体，所述机箱壳体包括背板和叠层设置的至少两个底板；A household energy storage system, characterized in that it includes: a chassis casing, the chassis casing including a backplane and at least two bottom panels arranged in layers; 所述家庭储能系统还包括位于所述机箱壳体内且位于所述底板一侧的储能单元，位于所述储能单元远离所述底板一侧的电池管理单元、逆变单元以及位于所述机箱壳体外且位于所述背板一侧的散热通道；The home energy storage system also includes an energy storage unit located in the chassis shell and on one side of the bottom plate, a battery management unit, an inverter unit and an inverter unit located on the side of the energy storage unit away from the bottom plate. A heat dissipation channel outside the chassis shell and located on one side of the backplane; 所述散热通道分别与所述储能单元对应设置；The heat dissipation channels are respectively set corresponding to the energy storage units; 所述底板与所述储能单元对应设置；The bottom plate is set correspondingly to the energy storage unit; 所述储能单元包括靠近所述底板一侧的散热表面，所述散热表面与所述底板之间设置有导热材料和围绕导热材料的绝缘隔离件。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. 根据权利要求1所述的家庭储能系统，其特征在于，所述底板包括第一底板和第二底板，所述储能单元包括第一储能单元和第二储能单元；所述散热表面包括第一散热表面和第二散热表面；所述第一储能单元位于所述第一底板一侧，所述第二底板位于所述第一储能单元远离所述第一底板的一侧，所述第二储能单元位于所述第二底板远离所述第一底板的一侧；The household energy storage system according to claim 1, wherein the base plate comprises a first base plate and a second base plate, and the energy storage unit comprises a first energy storage unit and a second energy storage unit; the heat dissipation surface including 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, and 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 a side of the second bottom plate away from the first bottom plate; 第一储能单元包括靠近所述第一底板一侧的第一散热表面；第二储能单元包括靠近所述第二底板一侧的第二散热表面；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; 所述第一散热表面与所述第一底板之间设置有导热材料和围绕导热材料的绝缘隔离件；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; 所述第二散热表面与所述第二底板之间设置有导热材料和围绕导热材料的绝缘隔离件。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. 根据权利要求2所述的家庭储能系统，其特征在于，所述第一储能单元包括远离所述第一底板一侧且与所述第一散热表面相对设置的第一表面，所述第二储能单元包括远离所述第二底板一侧且与所述第二散热表面相对设置的第二表面；The household energy storage system according to claim 2, wherein 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 first The second energy storage unit includes a second surface away from the second bottom plate and opposite to the second heat dissipation surface; 所述第一表面和所述第二表面均设置有电极连接端子和泄压阀。Both the first surface and the second surface are provided with electrode connection terminals and pressure relief valves. 根据权利要求2所述的家庭储能系统，其特征在于，所述散热通道包括散热通道壳体，所述散热通道壳体与所述背板形成散热腔室；The household energy storage system according to claim 2, wherein the heat dissipation channel comprises a heat dissipation channel shell, and the heat dissipation channel shell and the back plate form a heat dissipation chamber; 所述散热腔室包括入风口和出风口，所述入风口位于靠近所述第一底板的一侧，所述出风口位于所述入风口远离所述第一底板的一侧，且所述出风口与所述电池管理单元对应设置。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. 根据权利要求4所述的家庭储能系统，其特征在于，所述出风口包括多个子出风口， 且所述子出风口设置有风扇。The home energy storage system according to claim 4, wherein the air outlet includes a plurality of sub-air outlets, and the sub-air outlets are provided with fans. 根据权利要求2所述的家庭储能系统，其特征在于，所述机箱壳体还包括可拆卸的盖板，所述盖板位于所述第一储能单元远离所述背板的一侧且覆盖所述第一储能单元；所述盖板位于所述第二储能单元远离所述背板的一侧且覆盖所述第二储能单元；The household energy storage system according to claim 2, wherein the chassis casing further comprises a detachable cover plate, the cover plate is located on the side of the first energy storage unit away from the back plate and Covering the first energy storage unit; the cover plate is located on the side of the second energy storage unit away from the back plate and covers the second energy storage unit; 所述盖板上设置有贯穿所述盖板的防爆阀。An explosion-proof valve penetrating through the cover plate is arranged on the cover plate. 根据权利要求2所述的家庭储能系统，其特征在于，所述家庭储能系统还包括位于所述背板与所述散热通道之间的储能单元散热基板；The home energy storage system according to claim 2, wherein the home energy storage system further comprises a heat dissipation substrate of an energy storage unit located between the backplane and the heat dissipation channel; 所述储能单元散热基板与所述第一储能单元对应设置。The heat dissipation substrate of the energy storage unit is arranged corresponding to the first energy storage unit. 根据权利要求1所述的家庭储能系统，其特征在于，所述家庭储能系统还包括逆变单元散热基板，所述逆变单元散热基板与所述逆变单元对应设置。The home energy storage system according to claim 1, characterized in that the home energy storage system further comprises a heat dissipation substrate of an inverter unit, and the heat dissipation substrate of the inverter unit is arranged correspondingly to the inverter unit. 根据权利要求1所述的家庭储能系统，其特征在于，所述机箱壳体还包括侧边支撑板，所述侧边支撑板设置有用户操作单元。The household energy storage system according to claim 1, characterized in that, the case housing further comprises a side support plate, and the side support plate is provided with a user operation unit. 根据权利要求1所述的家庭储能系统，其特征在于，所述导热材料包括导热硅胶、金属氧化物或金属氮化物中的至少一种。The home energy storage system according to claim 1, characterized in that, the heat-conducting material comprises at least one of heat-conducting silica gel, metal oxide or metal nitride.
PCT/CN2021/135378 2021-09-15 2021-12-03 Household energy storage system Ceased WO2023040066A1 (en)

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