CN113852155A - A home energy storage system - Google Patents
A home energy storage system Download PDFInfo
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- CN113852155A CN113852155A CN202111078991.1A CN202111078991A CN113852155A CN 113852155 A CN113852155 A CN 113852155A CN 202111078991 A CN202111078991 A CN 202111078991A CN 113852155 A CN113852155 A CN 113852155A
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- 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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- 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)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
本发明实施例公开了一种家庭储能系统，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 embodiment of the present invention discloses a home energy storage system. The home energy storage system includes: a chassis shell, the chassis shell includes a backplane and at least two bottom plates arranged in layers; the home energy storage system further includes The energy storage unit in the body and on the side of the bottom plate, the battery management unit and the inverter unit on the side of the energy storage unit away from the bottom plate, and the heat dissipation channel outside the chassis shell and on the side of the back plate; the heat dissipation channel corresponds to the energy storage unit respectively The bottom plate is correspondingly arranged with the energy storage unit; the energy storage unit includes a heat dissipation surface close to one side of the bottom plate, and a thermally conductive material and an insulating spacer surrounding the thermally conductive material are arranged between the heat dissipation surface and the bottom plate. A heat dissipation channel is provided outside the chassis shell to provide auxiliary heat dissipation, and to cooperate with the natural heat dissipation performance of the energy storage unit battery, battery management unit and inverter unit, improve the overall heat dissipation capacity of the system, and improve the safety and service life of the system.
Description
Technical Field
The embodiment of the invention relates to the technical field of energy storage, in particular to a household energy storage system.
Background
At present, the energy storage products of the family are mainly system products formed by splitting, modularization or simple integration. The system is mainly characterized in that the energy storage inverter is independent, the energy storage battery pack is independent, even the battery management system is independent, and the components are developed and integrated into a system product through the system; the energy storage battery pack is formed by stacking small-capacity modularized battery packs in series-parallel connection according to system requirements. However, because each heat dissipation module in the household energy storage product is independent of each other and adopts a natural heat dissipation mode, the heat dissipation effect of the system is poor, the overall service life of the system is affected, and the practical experience of customers is seriously affected.
Disclosure of Invention
The embodiment of the invention provides a household energy storage system, which is used for realizing the overall heat dissipation of the household energy storage system, combining natural heat dissipation and auxiliary heat dissipation, improving the overall heat dissipation capacity and further ensuring the service life of the household energy storage system.
The embodiment of the invention provides a household energy storage system, which comprises: the refrigerator shell comprises a back plate and at least two bottom plates which are arranged in a laminated mode;
the household energy storage system also comprises an energy storage unit, a battery management unit, an inversion unit and a heat dissipation channel, wherein the energy storage unit is positioned in the case shell and positioned on one side of the bottom plate, the battery management unit and the inversion unit are positioned on one side of the energy storage unit, which is far away from the bottom plate, and the heat dissipation channel is positioned outside the case shell and positioned on one side of the back plate;
the heat dissipation channels are respectively arranged corresponding to the energy storage units;
the bottom plate and the energy storage unit are correspondingly arranged;
the energy storage unit comprises a heat dissipation surface close to one side of the base plate, and a heat conduction material and an insulation isolation piece surrounding the heat conduction material are arranged between the heat dissipation surface and the base plate.
Optionally, the base plate includes a first base plate and a second base plate, and the energy storage unit includes a first energy storage unit and a second energy storage unit; the heat dissipation surface comprises a first heat dissipation surface and a second heat dissipation surface; the first energy storage unit is positioned on one side of the first bottom plate, the second bottom plate is positioned on one side of the first energy storage unit, which is far away from the first bottom plate, and the second energy storage unit is positioned on one side of the second bottom plate, which is far away from the first bottom plate;
the first energy storage unit comprises a first heat dissipation surface close to one side of the first bottom plate; the second energy storage unit comprises a second heat dissipation surface close to one side of the second bottom plate;
a heat conducting material and an insulating spacer surrounding the heat conducting material are arranged between the first heat dissipation surface and the first base plate;
and a heat conduction material and an insulating spacer surrounding the heat conduction material are arranged between the second heat dissipation surface and the second bottom plate.
Optionally, the first energy storage unit includes a first surface far away from one side of the first base plate and disposed opposite to the first heat dissipation surface, and the second energy storage unit includes a second surface far away from one side of the second base plate and disposed opposite to the second heat dissipation surface;
the first surface and the second surface are provided with electrode connecting terminals and pressure relief valves.
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;
the heat dissipation chamber comprises an air inlet and an air outlet, the air inlet is located on one side close to the first base plate, the air outlet is located on one side, far away from the first base plate, of the air inlet, and the air outlet and the battery management unit are arranged correspondingly.
Optionally, the air outlet includes a plurality of sub air outlets, and the sub air outlets are provided with fans.
Optionally, the chassis housing further includes a detachable cover plate, and 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 plate is positioned on one side of the second energy storage unit, which is far away from the back plate, and covers the second energy storage unit;
and the cover plate is provided with an explosion-proof valve penetrating through the cover plate.
Optionally, the home energy storage system further includes an energy storage unit heat dissipation substrate located between the back plate and the heat dissipation channel;
the energy storage unit heat dissipation substrate is arranged corresponding to the first energy storage unit.
Optionally, the household energy storage system further comprises an inverter unit heat dissipation substrate, and the inverter unit heat dissipation substrate is arranged corresponding to the inverter unit.
Optionally, the chassis housing further includes a side support plate, and the side support plate is provided with a user operation unit.
Optionally, the heat conductive material includes at least one of a heat conductive silica gel, a metal oxide, or a metal nitride.
The invention provides a household energy storage system, which comprises: the refrigerator shell comprises a back plate and at least two bottom plates which are arranged in a laminated mode; the household energy storage system also comprises an energy storage unit which is positioned in the case shell and positioned at one side of the bottom plate, a battery management unit and an inversion unit which are positioned at one side of the energy storage unit, which is far away from the bottom plate, and a heat dissipation channel which is positioned outside the case shell and positioned at one side of the back plate; the heat dissipation channels are respectively arranged corresponding to the energy storage units; the bottom plate is arranged corresponding to the energy storage unit; the energy storage unit comprises a heat dissipation surface close to one side of the base plate, and a heat conduction material and an insulation isolation piece surrounding the heat conduction material are arranged between the heat dissipation surface and the base plate. Through setting up energy storage unit battery, battery management unit and contravariant unit inside the casing of the aircraft casing, independent setting separately reduces the assembly degree of difficulty, and is provided with the heat dissipation passageway outside the casing of the aircraft casing, provides supplementary heat dissipation, and the cooperation energy storage unit battery, battery management unit and contravariant unit's natural heat dispersion improve the whole heat-sinking capability of system, improve the security and the life of system.
Drawings
To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description will be given below of the drawings required for the embodiments or the technical solutions in the prior art, and it is obvious that the drawings in the following description, although being some specific embodiments of the present invention, can be extended and extended to other structures and drawings by those skilled in the art according to the basic concepts of the device structure, the driving method and the manufacturing method disclosed and suggested by the various embodiments of the present invention, without making sure that these should be within the scope of the claims of the present invention.
Fig. 1 is a front view of a home energy storage system according to an embodiment of the present invention;
fig. 2 is a left side view of a household energy storage system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an energy storage unit according to an embodiment of the present invention;
fig. 4 is a schematic partial structural diagram of an energy storage unit according to an embodiment of the present invention;
fig. 5 is a side view of a home energy storage system according to an embodiment of the present invention;
fig. 6 is a side view of another home energy storage system according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described through embodiments with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the basic idea disclosed and suggested by the embodiments of the present invention, are within the scope of the present invention.
Fig. 1 is a front view of a home energy storage system according to an embodiment of the present invention, fig. 2 is a left view of the home energy storage system according to the embodiment of the present invention, fig. 3 is a schematic structural diagram of an energy storage unit according to the embodiment of the present invention, and fig. 4 is a schematic partial structural diagram of the energy storage unit according to the embodiment of the present invention, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, the home energy storage system 100 includes: the chassis shell 101, the chassis shell 101 includes a back plate 102 and at least two bottom plates 103 arranged in a stacked manner;
the household energy storage system 100 further comprises an energy storage unit 104 positioned in the chassis housing 101 and positioned on one side of the bottom plate 103, a battery management unit 105 and an inverter unit 106 positioned on one side of the energy storage unit 104 far away from the bottom plate 103, and a heat dissipation channel 107 positioned outside the chassis housing 101 and positioned on one side of the back plate 102;
the heat dissipation channels 107 are respectively arranged corresponding to the energy storage units 104;
the bottom plate 103 is arranged corresponding to the energy storage unit 104;
the energy storage unit 104 includes a heat dissipation surface 108 near one side of the bottom plate 103, and a heat conductive material 109 and an insulating spacer 110 surrounding the heat conductive material 109 are disposed between the heat dissipation surface 108 and the bottom plate 103.
In fig. 2 and fig. 3, two bottom plates 103 are exemplarily illustrated, and the specific number of the two bottom plates can be selected according to actual design requirements, which is not specifically limited in the embodiment of the present invention. The household energy storage system 100 comprises a cabinet shell 101, wherein the cabinet shell 101 comprises a back panel 102 and two bottom panels 103, and the two bottom panels 103 are both perpendicular to the back panel 102. The chassis shell 101 comprises an energy storage unit 104 located on one side of the bottom plate 103, a battery management unit 105 and an inverter unit 106 located on one side of the energy storage unit 104 far away from the bottom plate 103, and the two bottom plates 103 correspond to the two energy storage units 104 because the bottom plates 103 are arranged corresponding to the 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 battery cells and can realize charging and discharging. The Battery Management unit 105 may be a Battery Management System (BMS), which is a link between the energy storage unit 104 and a user, and is used to improve the utilization rate of the energy storage unit 104, prevent the energy storage unit 104 from being overcharged and overdischarged, prolong the service life of the Battery, and monitor the Battery state. The inverter unit 106 is configured to convert a received dc current into an ac circuit or convert a 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 natural heat dissipation capabilities, further, a heat dissipation channel 107 is disposed outside the chassis housing 101 and on one side of the backplane 102, a vertical projection of the heat dissipation channel 107 on the backplane 102 overlaps with a vertical projection of the energy storage unit 104 on the backplane 102, the heat dissipation channel 107 is disposed corresponding to the energy storage unit 104, and according to placement positions of the energy storage unit 104, the battery management unit 105, and the inverter unit 106 in the chassis housing 101, auxiliary heat dissipation on the energy storage unit 104, the battery management unit 105, and the inverter unit 106 can be achieved, and an overall heat dissipation effect is effectively improved. Because energy storage unit 104 can produce heat under operating condition, in order to guarantee the good radiating effect of energy storage unit 104, energy storage unit 104 includes the radiating surface 108 that is close to bottom plate 103 one side, be provided with heat conduction material 109 and around the insulating barrier 110 of heat conduction material 109 between radiating surface 108 and the bottom plate 103, and bottom plate 103 is connected with backplate 102, the heat that can produce through energy storage unit 104 is transmitted to backplate 102 through bottom plate 103, and take away the heat through the heat dissipation channel 107 that is located outside chassis casing 101, realize the heat dissipation. The heat conducting material 109 is mainly used between a heat source and a heat dissipating element, and plays a good role in heat conduction. The insulating spacer 110 may be a clip member supported by an insulating material such as plastic, resin, or the like. The insulating isolation piece 110 and the heat conduction material 109 are arranged between the bottom plate 103 and the energy storage unit 104, so that good insulating and heat conduction effects are achieved, sufficient contact is ensured, thermal resistance is reduced, and the heat dissipation efficiency of the household energy storage system 100 is improved.
According to the embodiment of the invention, the heat dissipation channel is arranged outside the housing of the case and on one side of the back plate, and the heat dissipation channel and the energy storage unit are arranged correspondingly, so that the auxiliary heat dissipation of the household energy storage system consisting of the energy storage unit, the battery management unit and the inversion unit by the heat dissipation channel is realized, and the heat dissipation effect is effectively improved and the safety of the household energy storage system is improved by matching with the self heat dissipation performance of the energy storage unit, the battery management unit and the inversion unit.
With continued reference to fig. 3 and 4, optionally, the bottom plate 103 comprises a first bottom plate 1031 and a second bottom plate 1032, and the energy storage unit 104 comprises a first energy storage unit 1041 and a second energy storage unit 1042; the heat dissipation surface 108 includes a first heat dissipation surface 1081 and a second heat dissipation surface 1082; the first energy storage unit 1041 is located on one side of the first bottom plate 1031, the second bottom plate 1032 is located on one side of the first energy storage unit 1041 away from the first bottom plate 1031, and the second energy storage unit 1042 is located on one side of the second bottom plate 1032 away from the first bottom plate 1031;
the first energy storage unit 1041 comprises a first heat dissipation surface 1081 near one side of the first base plate 1031; the second energy storing unit 1042 includes a second heat dissipating surface 1082 near one side of the second base plate 1032;
a heat conductive material 109 and an insulating spacer 110 surrounding the heat conductive material 109 are disposed between the first heat dissipation surface 1081 and the first bottom plate 1031;
between the second heat dissipation surface 1082 and the second base plate 1032 is disposed a thermally conductive material 109 and an insulating spacer 110 surrounding the thermally conductive material 109.
In fig. 4, the first energy storage unit 1041 and the first bottom plate 1031 are only exemplarily shown and illustrated, the bottom plates include the first bottom plate 1031 and the second bottom plate 1032, and the energy storage unit 104 includes the first energy storage unit 1041 and the second energy storage unit 1042; the first energy storage unit 1041 is located on one side of the first bottom plate 1031, the second bottom plate 1032 is located on one 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 energy storage unit 1042 are stacked, the first energy storage unit 1041 and the second energy storage unit 1042 can be connected in parallel or in series to complete work, and the second bottom plate 1032 is arranged between the first energy storage unit 1041 and the second energy storage unit 1042 at intervals. The second base plate 1032 not only plays a role in heat conduction but also plays a role in a partition plate, so that mutual influence caused by failure of the first energy storage unit 1041 and the second energy storage unit 1042 is effectively reduced, and the safety of the household energy storage system 100 is improved. The first energy storage unit 1041 comprises a first heat dissipation surface 1081 near one side of the first base plate 1031; a heat conductive material 109 and an insulating spacer 110 surrounding the heat conductive material 109 are disposed between the first heat dissipation surface 1081 and the first bottom plate 1031; the insulating spacer 110 and the heat conductive material 109 are disposed between the first bottom plate 1031 and the first heat dissipation surface 1081 of the first energy storage unit 1041, so as to achieve good insulating and heat conducting effects on the first energy storage unit 1041. The second energy storing unit 1042 includes a second heat dissipating surface 1082 near one side of the second base plate 1032; a heat conductive material 109 and an insulating spacer 110 surrounding the heat conductive material 109 are disposed between the second heat dissipation surface 1082 and the second base plate 1032; the insulating spacer 110 and the heat conducting material 109 are disposed between the second base plate 1032 and the second heat dissipation surface 1082 of the second energy storage unit 1042, so as to achieve good insulating and heat conducting effects on the second energy storage unit 1042.
With continued reference to fig. 4, the thermally conductive material 109 optionally includes at least one of a thermally conductive silicone gel, a metal oxide, or a metal nitride.
The heat conducting material 109 is applied between the heat source and the heat dissipation element to reduce the thermal resistance of the contact surface and achieve a good heat conducting effect, and the heat conducting material 110 may be made of heat conducting silica gel, metal oxide or metal nitride, and the like, so as to achieve natural heat dissipation of the first energy storage unit 1041 and the second energy storage unit 1042 in a working state, and improve the safety of the home energy storage system 100.
With continued reference to fig. 3 and 4, optionally, the first energy storage unit 1041 includes a first surface 1083 disposed opposite to the first heat dissipation surface 1081 and away from the first bottom plate 1031 side, and the second energy storage unit 1042 includes a second surface 1084 disposed opposite to the second heat dissipation surface 1082 and away from the second bottom plate 1032 side;
the first surface 1081 and the second surface 1084 are each provided with an electrode connection terminal and a relief valve.
A plurality of pressure relief valves are arranged in the first energy storage unit 1041 and the second energy storage unit 1042, the pressure relief valves may be correspondingly set according to the number of battery cells in the energy storage unit, the specific set number may be selected according to an actual design requirement, and embodiments of the present invention are not limited specifically. The first surface 1081 of the first energy storage unit 1041, which is far away from the first bottom plate 1031 side and is opposite to the first heat dissipation surface 1081, and the first surface 1081 of the second energy storage unit 1042, which is far away from the second bottom plate 1032 side and is opposite to the second heat dissipation surface 1082, both the first surface 1083 and the second surface 1084 are provided with an electrode connection terminal and a pressure release valve (not shown in the figure), the electrode connection terminal includes a positive electrode connection terminal and a negative electrode connection terminal, which can be respectively connected with a positive electrode and a negative electrode of an external electrical element, and the pressure release valve is used for releasing the pressure inside the first energy storage unit 1041 and the second energy storage unit 1042, so as to avoid explosion caused by excessive air pressure. The first surface 1083 of the first energy storage unit 1041, which is provided with the electrode connection terminal and the pressure release valve, is located at the side far from the first bottom plate 1031, and the second surface 1084 of the second energy storage unit 1042, which is provided with the electrode connection terminal and the pressure release valve, is located at the side far 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 housing 101, so that the assembly operation of a user is facilitated, the production and assembly efficiency is improved, and the manufacturing cost of the household energy storage system 100 is further reduced.
With continued reference to fig. 1, fig. 5 is a side view of a home energy storage system according to an embodiment of the present invention, and fig. 6 is a side view of another home energy storage system according to an embodiment of the present invention, as shown in fig. 5 and fig. 6, 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;
the heat dissipation chamber includes an air inlet 111 and an air outlet 112, the air inlet 111 is located at a side close to the first bottom plate 1031, the air outlet 112 is located at a side of the air inlet 111 far away from the first bottom plate 1031, and the air outlet 112 corresponds to the battery management unit 105.
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 is used for taking away heat by the flowing air entering through the air inlet 111, and plays a role in dissipating heat of the whole household energy storage system 100. The heat dissipation chamber includes an air inlet 111 and an air outlet 112, the air inlet 111 is located at a side close to the first bottom plate 1031, the air outlet 112 is located at a side of the air inlet 111 far away from the first bottom plate 1031, and the air outlet 112 corresponds to the battery management unit 105. The vertical projection of the heat dissipation channel housing 1071 on the back plate 102 is partially overlapped with the vertical projection of the energy storage unit 104 on the back plate 102, and the vertical projection of the air inlet 111 on the back plate 102 is located in the vertical projection of the energy storage unit 104 on the back plate 102, so that the air inlet 111 and the air outlet 112 can perform air cooling heat dissipation on the energy storage unit 104, the battery management unit 105 and the inverter unit 106, and the heat dissipation capability of the household energy storage system 100 is improved.
With continued reference to fig. 5 and 6, optionally, the air outlet 112 includes a plurality of sub air outlets, and the sub air outlets are provided with fans 1121.
The air outlet 112 includes a plurality of sub air outlets, a fan 1121 is disposed at the corresponding sub air outlet, and a vertical projection of the fan 1121 on the back plate 102 is overlapped with a vertical projection of the power management unit 105 on the back plate 102, so that the fan 1121 can dissipate heat of the power management unit 105 in a rotation process. The three fans 1121 are exemplarily disposed outside the chassis housing 101 and on one side of the back panel 102, and the specific number may be selected according to actual design requirements, which is not specifically limited in the embodiments of the present invention. The air passing 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 air to the inversion unit 106, so that the heat dissipation channel 107 can perform overall auxiliary heat dissipation on the household energy storage system 100, and the overall heat dissipation capability of the household energy storage system 100 is improved.
With continued reference to fig. 1 and fig. 2, optionally, the chassis housing 101 further includes a detachable cover plate 113, where the cover plate 113 is located on a side of the first energy storage unit 1041 away from the back plate 102 and covers the first energy storage unit 1041; the cover plate 113 is located on a 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 the cover plate 113.
The chassis housing 101 includes a detachable cover plate 113, the cover plate 113 is located on one side of the first energy storage unit 1041 away from the back plate 102 and covers the first energy storage unit 1041 and located on one side of the second energy storage unit 1042 away from the back plate 102 and covers the second energy storage unit 1042, the cover plate 113 is taken down when a user needs to check or maintain the first energy storage unit 1041 and the second energy storage unit 1042 inside the chassis housing 101, the first energy storage unit 1041 and the second energy storage unit 1042 are in a normal working state, the cover plate 113 can be installed on the chassis housing 101, and the first energy storage unit 1041 and the second energy storage unit 1042 are protected. Because first energy storage unit 1041 and second energy storage unit 1042 are when the apron covers, the inside sealed environment that is in of chassis casing 101, there is the inflation phenomenon in arbitrary one electricity core in first energy storage unit 1041 and the second energy storage unit 1042, make the inside atmospheric pressure of chassis casing 101 rise, for preventing that the inside explosion because of atmospheric pressure is too big of chassis casing 101, be provided with the explosion-proof valve 114 who runs through apron 113 on apron 113, when explosion-proof valve 114 senses the inside atmospheric pressure value of chassis casing 101 and is greater than preset atmospheric pressure threshold value, explosion-proof valve 114 is opened in time, carry out atmospheric pressure and put outward, guarantee family energy storage system 100's security performance.
With continued reference to fig. 5, optionally, the home energy storage system 100 further includes an energy storage cell heat dissipation substrate 115 located between the back plate 102 and the heat dissipation channel 107;
the energy storage unit heat dissipation substrate 115 is disposed corresponding to the first energy storage unit 1041.
The energy storage unit heat dissipation substrate 115 and the first energy storage unit 1041 are correspondingly disposed, that is, the vertical projection of the energy storage unit heat dissipation substrate 115 on the back plate 102 overlaps the vertical projection of the first energy storage unit 1041 on the back plate 102, the energy storage unit heat dissipation substrate 115 is located on the side of the back plate 102 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 working heat of the first energy storage unit 1041 and the second energy storage unit 1042, the vertical projections of the first bottom plate 1031 and the second bottom plate 1032 on the back plate 102 fall into the energy storage unit heat dissipation substrate 115, so that the heat generated by the energy storage unit heat dissipation substrate 115 in the working operation state can be naturally dissipated through the energy storage unit heat dissipation substrate 115. The vertical projection of the energy storage unit heat dissipation substrate 115 on the back plate 102 is partially overlapped with the vertical projection of the energy storage unit heat dissipation substrate 115 on the back plate 102, the vertical projection of the air inlet 111 of the heat dissipation channel 107 on the back plate 102 is located on the energy storage unit heat dissipation substrate 115, the energy storage unit heat dissipation substrate 115 is located on one side of the back plate 102 close to the heat dissipation channel 107, and therefore air entering the heat dissipation chamber from the air inlet 111 dissipates heat of the energy storage unit heat dissipation substrate 115, the first energy storage unit 1041 and the second energy storage unit 1042, and the heat dissipation effect is improved; the energy storage unit heat dissipation substrate 115 is composed of a plurality of heat dissipation plate fins, and the heat dissipation plate fins are generally made of heat conductive metals such as aluminum, titanium, and copper, and the shape of the heat dissipation plate fins is generally presented to achieve a heat dissipation effect.
With reference to fig. 5, optionally, the household energy storage system 100 further includes an inverter unit heat dissipation substrate 116, where the inverter unit heat dissipation substrate 116 is disposed corresponding to the inverter unit 106.
The inversion unit heat dissipation substrate 116 and the inversion unit 106 are disposed correspondingly, that is, the vertical projection of the inversion unit heat dissipation substrate 116 on the back plate 102 overlaps the vertical projection of the inversion unit 106 on the back plate 102, the inversion unit heat dissipation substrate 116 is located on the side of the back plate 102 away from the inversion unit 106, so that the heat generated by the inversion unit 106 in the operating state is naturally dissipated through the inversion unit heat dissipation substrate 116, and the inversion unit heat dissipation substrate 116 is composed of a plurality of heat dissipation plate fins, so as to achieve the heat dissipation effect.
With continued reference to fig. 2, optionally, the cabinet housing 101 further includes a side support plate 117, the side support plate 117 being provided with a user operation unit 118.
The cabinet housing 101 includes a side support plate 117, the side support plate 117 is provided with a user operation unit 118, and the user operation unit 118 is used for facilitating a user to directly control the home energy storage system 100, so as to implement convenience in operation of the home energy storage system 100 by the user.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A home energy storage system, comprising: the refrigerator shell comprises a back plate and at least two bottom plates which are arranged in a laminated mode;
the household energy storage system also comprises an energy storage unit, a battery management unit, an inversion unit and a heat dissipation channel, wherein the energy storage unit is positioned in the case shell and positioned on one side of the bottom plate;
the heat dissipation channels are respectively arranged corresponding to the energy storage units;
the bottom plate and the energy storage unit are correspondingly arranged;
the energy storage unit comprises a heat dissipation surface close to one side of the base plate, and a heat conduction material and an insulation isolation piece surrounding the heat conduction material are arranged between the heat dissipation surface and the base plate.
2. The home energy storage system of claim 1, wherein the floor comprises a first floor and a second floor, and the energy storage unit comprises a first energy storage unit and a second energy storage unit; the heat dissipation surface comprises a first heat dissipation surface and a second heat dissipation surface; the first energy storage unit is positioned on one side of the first bottom plate, the second bottom plate is positioned on one side of the first energy storage unit, which is far away from the first bottom plate, and the second energy storage unit is positioned on one side of the second bottom plate, which is far away from the first bottom plate;
the first energy storage unit comprises a first heat dissipation surface close to one side of the first bottom plate; the second energy storage unit comprises a second heat dissipation surface close to one side of the second bottom plate;
a heat conducting material and an insulating spacer surrounding the heat conducting material are arranged between the first heat dissipation surface and the first base plate;
and a heat conduction material and an insulating spacer surrounding the heat conduction material are arranged between the second heat dissipation surface and the second bottom plate.
3. The home energy storage system of claim 2, wherein the first energy storage unit comprises a first surface disposed opposite the first heat dissipation surface away from the first base plate side, and the second energy storage unit comprises a second surface disposed opposite the second heat dissipation surface away from the second base plate side;
the first surface and the second surface are provided with electrode connecting terminals and pressure relief valves.
4. The home energy storage system of claim 2, wherein the heat sink channel comprises a heat sink channel housing, the heat sink channel housing and the back plate forming a heat sink chamber;
the heat dissipation chamber comprises an air inlet and an air outlet, the air inlet is located on one side close to the first base plate, the air outlet is located on one side, far away from the first base plate, of the air inlet, and the air outlet and the battery management unit are arranged correspondingly.
5. The home energy storage system according to claim 4, wherein the outlet comprises a plurality of sub-outlets, and the sub-outlets are provided with fans.
6. The home energy storage system of claim 2, wherein the cabinet housing further comprises a removable cover plate positioned on a side of the first energy storage unit remote from the back plate and covering the first energy storage unit; the cover plate is positioned on one side of the second energy storage unit, which is far away from the back plate, and covers the second energy storage unit;
and the cover plate is provided with an explosion-proof valve penetrating through the cover plate.
7. The home energy storage system of claim 2, further comprising an energy storage cell heat sink base plate between the back plate and the heat sink channel;
the energy storage unit heat dissipation substrate is arranged corresponding to the first energy storage unit.
8. The home energy storage system according to claim 1, further comprising an inverter unit heat dissipation substrate, wherein the inverter unit heat dissipation substrate is disposed corresponding to the inverter unit.
9. The home energy storage system of claim 1, wherein the cabinet housing further comprises side support plates provided with user operated units.
10. The home energy storage system of claim 1, wherein the thermally conductive material comprises at least one of a thermally conductive silica gel, a metal oxide, or a metal nitride.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111078991.1A CN113852155A (en) | 2021-09-15 | 2021-09-15 | A home energy storage system |
| PCT/CN2021/135378 WO2023040066A1 (en) | 2021-09-15 | 2021-12-03 | Household energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111078991.1A CN113852155A (en) | 2021-09-15 | 2021-09-15 | A home energy storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113852155A true CN113852155A (en) | 2021-12-28 |
Family
ID=78973984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111078991.1A Pending CN113852155A (en) | 2021-09-15 | 2021-09-15 | A home energy storage system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113852155A (en) |
| WO (1) | WO2023040066A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023040067A1 (en) * | 2021-09-15 | 2023-03-23 | 深圳市富兰瓦时技术有限公司 | Household energy storage system |
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| CN209134124U (en) * | 2018-12-29 | 2019-07-19 | 南京冠隆电力科技有限公司 | A kind of simple photovoltaic integrated machine for reverse conversion |
| CN209843907U (en) * | 2019-07-22 | 2019-12-24 | 江苏时代新能源科技有限公司 | Secondary battery |
| CN211791294U (en) * | 2020-01-16 | 2020-10-27 | 江苏阿诗特能源科技有限公司 | A heat dissipation structure of an energy storage inverter |
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2021
- 2021-09-15 CN CN202111078991.1A patent/CN113852155A/en active Pending
- 2021-12-03 WO PCT/CN2021/135378 patent/WO2023040066A1/en not_active Ceased
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206505996U (en) * | 2016-12-30 | 2017-09-19 | 绿色储能技术研究院有限公司 | A cooling system for a container-type energy storage power station |
| CN207460090U (en) * | 2017-11-21 | 2018-06-05 | 江苏辉伦太阳能科技有限公司 | A kind of outdoor type energy-storage system cabinet |
| CN207677035U (en) * | 2017-12-12 | 2018-07-31 | 成都特隆美储能技术有限公司 | A kind of energy storage module of high efficiency and heat radiation |
| CN209134124U (en) * | 2018-12-29 | 2019-07-19 | 南京冠隆电力科技有限公司 | A kind of simple photovoltaic integrated machine for reverse conversion |
| CN209843907U (en) * | 2019-07-22 | 2019-12-24 | 江苏时代新能源科技有限公司 | Secondary battery |
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| WO2023040067A1 (en) * | 2021-09-15 | 2023-03-23 | 深圳市富兰瓦时技术有限公司 | Household energy storage system |
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| Publication number | Publication date |
|---|---|
| WO2023040066A1 (en) | 2023-03-23 |
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Application publication date: 20211228 |
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