CN111934054A - Solar generator with battery thermal management system - Google Patents
Solar generator with battery thermal management system Download PDFInfo
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- CN111934054A CN111934054A CN202010829648.5A CN202010829648A CN111934054A CN 111934054 A CN111934054 A CN 111934054A CN 202010829648 A CN202010829648 A CN 202010829648A CN 111934054 A CN111934054 A CN 111934054A
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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
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
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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
- H01M10/63—Control systems
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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
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
- H02J7/007194—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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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)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a solar generator with a battery heat management system, belonging to the technical field of solar power generation, and the generator comprises: a temperature control circuit and a housing; the temperature control circuit includes: the temperature controller, the heater, the temperature sensor and the refrigeration system are electrically connected in sequence; the refrigeration system includes: a condenser, a fan, a pump and a heat exchanger; the heater, the temperature sensor and the refrigerating system are in communication connection with the temperature controller; the condenser, the fan, the pump, the temperature controller, the heater, the temperature sensor and the heat exchanger are all arranged inside the shell. The solar generator is internally provided with the temperature control system, and the battery is managed through the temperature control system, so that the service life of the energy storage battery is prolonged, and the operation and maintenance cost of the energy storage battery is reduced.
Description
Technical Field
The invention relates to the technical field of solar generators, in particular to a solar generator with a battery thermal management system.
Background
With the rapid development of photovoltaic power generation technology, solar power generators are increasingly popularized in production and life of people, and the solar power generators can use electric energy stored in batteries of the solar power generators by converting light energy into electric energy to be stored in the batteries and connecting electric appliances with output interfaces of the solar power generators when people use the electric energy.
The existing solar generator is commonly used as follows: the method 1 comprises the steps of controlling an inversion all-in-one machine to add a battery; method 2. solar power generation all-in-one machine. In the method 1, electric energy conversion modules such as a controller and an inverter are placed in a cabinet, and an energy storage battery is placed on a battery rack. In the method 2, the electric energy conversion modules such as the controller and the inverter and the energy storage battery are integrally placed in a cabinet. Energy storage batteries are commonly used at the present stage: lead-acid batteries, lithium iron phosphate batteries, ternary lithium batteries and the like.
However, both method 1 and method 2 lack management of the ambient temperature of the battery, and the energy storage battery actually operates directly at ambient temperature during long-term use of the system. When the environment temperature range exceeds the optimal temperature working range of the battery, the capacity and the service life of the energy storage battery are greatly reduced; therefore, how to manage the operating temperature of the battery to maintain the operating temperature of the battery in the optimal temperature range becomes a technical difficulty to be solved urgently.
Disclosure of Invention
The invention aims at the problems and provides a solar generator with a battery thermal management system.
In one aspect, the present invention provides a solar power generator with a battery thermal management system, the generator comprising: a temperature control circuit and a housing; the temperature control circuit includes: the temperature controller, the heater, the temperature sensor and the refrigeration system are electrically connected in sequence; the refrigeration system includes: the condenser, the fan, the pump and the heat exchanger are electrically connected in sequence;
the heater, the temperature sensor and the refrigerating system are in communication connection with the temperature controller;
the condenser, the fan, the pump, the temperature controller, the heater, the temperature sensor and the heat exchanger are all arranged inside the shell.
Further, the generator further comprises: the system comprises an auxiliary battery, a main battery, a power supply device and a main power loop; the main power loop includes: a controller, an inverter, and an output interface;
the main battery and the auxiliary battery are electrically connected with the controller, and the controller is electrically connected with the power supply device;
the main battery is electrically connected with the inverter, and the inverter is electrically connected with the output interface; the auxiliary battery is electrically connected with the temperature controller;
and a battery bin is arranged outside the auxiliary battery and the main battery and used for isolating the auxiliary battery and the main battery from other components.
Still further, the output interface is arranged on the shell, and the power supply device is arranged outside the shell.
Furthermore, the power supply device is powered by a photovoltaic module or a wind turbine.
Furthermore, the output interface is connected with an external load.
Furthermore, a heat-insulating layer is arranged outside the battery compartment.
Further, the temperature controller and the temperature sensor are kept in a normally open state.
Furthermore, the temperature sensors are arranged on the main battery and the auxiliary battery respectively, and the temperature probes are arranged in the temperature sensors.
Still further, characterized in that the heat exchanger is proximate to the main and auxiliary batteries.
On the other hand, the invention provides a working method of a solar generator with a battery thermal management system, which is applied to the solar generator with the battery thermal management system, and the method comprises the following steps:
step 1, setting a minimum temperature, a maximum temperature and an optimum temperature for a temperature controller;
step 2, controlling the temperature in the battery compartment,
when the temperature is too low, the auxiliary battery transmits the electric energy to the temperature controller and the temperature sensor, when the temperature sensor detects that the temperature in the battery compartment exceeds the minimum temperature, the controller controls the heater to be started to enable the temperature in the battery compartment to rise, when the temperature signal sent by the temperature sensor and received by the temperature controller reaches the set optimal temperature, the temperature controller controls the heater to be closed,
when the temperature is too high, the controller controls the refrigeration system to be started to reduce the temperature in the battery compartment, the temperature controller receives a signal fed back by the temperature sensor in real time in the process, and when the temperature signal sent by the temperature sensor and received by the temperature controller reaches the set optimal temperature, the temperature controller controls the refrigeration system to be closed;
and 3, in the process of outputting the external load, the main battery stores the electric energy, if the external load is connected with the main battery, the main battery passes through the inverter connected with the main battery, then the inverter converts the electric energy transmitted by the main battery from direct current to alternating current, and then the electric energy is transmitted to the load through the output interface.
The invention has the advantages that:
firstly, the solar generator is arranged, the temperature control system is arranged in the solar generator, and the battery is managed through the temperature control system, so that the service life of the energy storage battery is prolonged, and the operation and maintenance cost of the energy storage battery is reduced; secondly, the arranged heat insulation layer is matched with a temperature control system for use, so that when the external environment temperature is too low or too high, the capacity of the battery is ensured not to be greatly attenuated; moreover, the use environment of the battery can be monitored in real time at any time through the arranged temperature sensor, so that the running safety of the system is ensured; in addition, the high-low temperature regulation and control component provided by the invention has high sensitivity, no lag when the high-low temperature regulation and control component is matched with the high-low temperature regulation and control component to execute commands, and a temperature regulation and control range is large, so that the high-low temperature regulation and control component can be suitable for severe temperature environments such as high and cold zones, high temperature zones and the like.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a flow chart of the operation of a heater according to an embodiment of the present invention;
FIG. 3 is a flow chart of heater shutdown according to an embodiment of the present invention;
FIG. 4 is a flow chart of the operation of the refrigeration system of an embodiment of the present invention;
fig. 5 is a flow chart of a refrigeration system shutdown in accordance with an embodiment of the present invention.
Reference numerals:
101 is a power supply device, 102 is a controller, 103 is an inverter, 104 is a main battery, 105 is an output interface, 201 is an auxiliary battery, 202 is a temperature controller, 203 is a heater, 2041 is a condenser, 2042 is a fan, 2043 is a pump, 2044 is a heat exchanger, 205 is a temperature sensor, 2051 is a temperature probe, and 4 is an insulating layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 5, as shown in fig. 1 to 5, a solar generator with a battery thermal management system includes: a temperature control circuit and a housing; the temperature control circuit includes: the temperature controller 202, the heater 203, the temperature sensor 205 and the refrigeration system are electrically connected in sequence; the refrigeration system includes: the condenser 2041, the fan 2042, the pump 2043 and the heat exchanger 2044 are electrically connected in sequence;
the heater 203, the temperature sensor 205 and the refrigeration system are all in communication connection with the temperature controller 202;
the condenser 2041, the fan 2042, the pump 2043, the temperature controller 202, the heater 203, the temperature sensor 205, and the heat exchanger 2044 are all disposed inside the housing.
It should be noted that the components of the present invention are commercially available elements, and the installation and operation of the components are described in detail in the prior art, for example, a condenser is a component of a refrigeration system, and belongs to a heat exchanger, which can convert gas or vapor into liquid and transfer the heat in the tubes to the air in the vicinity of the tubes in a rapid manner. The working process of the condenser is a heat release process, so the temperature of the condenser is higher; the heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called a heat exchanger. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and is widely applied. For example, the polytetrafluoroethylene heat exchanger for low temperature in the power plant is a novel device for recovering waste heat in order to reduce the temperature of exhaust smoke in the power plant; other components are not described in detail herein.
In the present invention, the components that need to be electrically connected are not limited in the way of electrical connection, and any way of electrical connection that can supply power to the electrical components is within the scope of the present invention.
It is worth to say that the invention provides a temperature control circuit, wherein related components for heating and cooling are provided, the related components can be operated by the heater 203 for high temperature zone and the related components can be operated by the refrigeration system for high and cold zone, thus avoiding the multi-function operation of the same components, so that the related components can immediately heat and cool the battery compartment when the battery compartment is in different temperature environment, wherein, when selecting the related components, the components with high sensitivity are selected, and there is no command lag when matching with the components.
In an embodiment of the invention, the generator further comprises: an auxiliary battery 201, a main battery 104, a power supply device 101 and a main power loop; the main power loop includes: a controller 102, an inverter 103, and an output interface 105;
the main battery 104 and the auxiliary battery 201 are both electrically connected with the controller 102, and the controller 102 is electrically connected with the power supply device 101;
the main battery 104 is electrically connected with the inverter 103, and the inverter 103 is electrically connected with the output interface 105; the auxiliary battery 201 is electrically connected with the temperature controller 202;
wherein, a battery compartment is arranged outside the auxiliary battery 201 and the main battery 104 for isolating the auxiliary battery 201 and the main battery 104 from other components.
It should be noted that the inverter converts direct current electric energy (battery, accumulator jar) into alternating current (generally 220V, 50Hz sine wave), it is composed of inverter bridge, control logic and filter circuit, and is widely applied to air conditioner, home theater, electric grinding wheel, electric tool, computer, television, washing machine, smoke exhaust ventilator, refrigerator, video recorder, massager, fan, lighting, etc.; other components are not described in detail.
In an embodiment of the present invention, the output interface 105 is disposed on the housing, and the power supply device 101 is disposed outside the housing.
In an embodiment of the present invention, the power supply device 101 is powered by a photovoltaic module or a wind turbine; therefore, the power generator is supplied with power by utilizing new energy, so that the energy is saved, the environment is protected, and the problem of insufficient electric energy is avoided.
In an embodiment of the present invention, the output interface 105 is connected to an external load, where the load is connected to various electrical appliances used by a user.
In one embodiment of the invention, a heat-insulating layer 4 is arranged outside the battery compartment; so, through the heat preservation 4 that sets up, can keep warm to the temperature in the battery compartment, the temperature that has slowed down in the battery compartment carries out the heat exchange with external environment's temperature, makes the temperature intensification in the battery compartment slow to the best operational environment time in the battery compartment has been prolonged.
In an embodiment of the present invention, the temperature controller 202 and the temperature sensor 205 are kept in a normally open state; in this way, the temperature sensor 205 monitors the temperature of the battery in real time, and sends a relevant signal to the temperature controller 202 in real time, and then the temperature controller 202 analyzes the received signal, thereby determining whether to start the cooling state.
In an embodiment of the present invention, two temperature sensors 205 are provided, which are respectively disposed on the main battery 104 and the auxiliary battery 201, and the temperature probe 2051 is built in the temperature sensor 205.
It should be noted that the temperature probe 2051 is in communication connection with the temperature controller 202, so that the temperature probe 2051 disposed in the temperature sensor 205 can monitor the battery temperature, send the monitored signal to the temperature controller 202, and then the temperature controller 202 analyzes the received signal to determine whether to start the temperature control system.
In one embodiment of the invention, the heat exchanger 2044 is located adjacent to the main battery 104 and the auxiliary battery 204; in this manner, by disposing the heat exchanger 2044 near the battery, when the heat exchanger 2044 is operating, heat exchange of the temperature to the ambient environment can be preferentially performed, thereby making the temperature change of the battery faster.
Before the working method of the solar generator with the battery thermal management system, provided by the invention, the lowest temperature, the highest temperature and the most suitable temperature are set for the temperature controller 202 according to the type of the battery and the working environment of the generator;
then, the photovoltaic module or the wind power generator converts the light energy and the wind energy into electric energy, and transmits the electric energy to the controller 102 through a cable, and the controller 102 transmits the electric energy to the main battery 104 and the auxiliary battery 201;
then, the main battery 104 stores the electric energy, if a load is externally connected, the main battery 104 passes through the inverter 103 connected with the main battery 104, then the inverter 103 converts the electric energy transmitted by the main battery 104 from direct current to alternating current, and then the electric energy is transmitted to the load through the output interface 105;
meanwhile, when the battery operating environment is at a low temperature, the auxiliary battery 201 stores a part of the electric energy and transmits another part of the electric energy to the temperature controller 202 and the temperature sensor 205; in the whole process, the temperature controller 202 and the temperature sensor 205 are in a normally open state, so that the temperature probe 2051 on the temperature sensor 205 monitors the temperature in the battery compartment in real time and transmits related signals to the temperature controller 202 in real time, the temperature controller 202 analyzes and judges the received signals, when the judged temperature signals reach the optimal temperature in the battery compartment, the temperature controller 202 controls the heater 203 to be started, so that the temperature in the battery compartment rises, and when the temperature controller 202 judges that the temperature signals in the battery compartment reach the set optimal temperature, the temperature controller 202 controls the heater 205 to be closed;
when the battery environment is at a high temperature and the temperature sensor 205 detects that the temperature in the battery compartment exceeds a set maximum temperature, the controller 202 controls the refrigeration system 204 to be turned on, and the heat exchanger 2044 transmits heat flow in the battery compartment to the outside, so that the temperature in the battery compartment is reduced; in the process, the temperature controller 202 receives a signal fed back by the temperature sensor 205 in real time, when the temperature controller 202 analyzes and judges the received signal, and when the temperature controller 202 judges that the temperature signal reaches the optimal temperature in the battery compartment, the temperature controller 202 controls the refrigeration system 204 to be closed; therefore, the whole working process of temperature control in the battery compartment of the generator is completed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A solar-powered generator with a battery thermal management system, comprising: a temperature control circuit and a housing; the temperature control circuit includes: the temperature controller (202), the heater (203), the temperature sensor (205) and the refrigeration system are electrically connected in sequence; the refrigeration system includes: the condenser (2041), the fan (2042), the pump (2043) and the heat exchanger (2044) are electrically connected in sequence;
the heater (203), the temperature sensor (205) and the refrigeration system are all in communication connection with the temperature controller (202);
the condenser (2041), the fan (2042), the pump (2043), the temperature controller (202), the heater (203), the temperature sensor (205) and the heat exchanger (2044) are all arranged inside the shell.
2. The solar-electrical generator with battery thermal management system of claim 1, further comprising: the system comprises an auxiliary battery (201), a main battery (104), a power supply device (101) and a main power loop; the main power loop includes: a controller (102), an inverter (103), and an output interface (105);
the main battery (104) and the auxiliary battery (201) are both electrically connected with the controller (102), and the controller (102) is electrically connected with the power supply device (101);
the main battery (104) is electrically connected with the inverter (103), and the inverter (103) is electrically connected with the output interface (105); the auxiliary battery (201) is electrically connected with the temperature controller (202);
wherein, the battery compartment is arranged outside the auxiliary battery (201) and the main battery (104) and is used for isolating the auxiliary battery (201) and the main battery (104) from other components.
3. Solar generator with battery thermal management system according to claim 2, characterized in that said output interface (105) is arranged on a casing, said power supply means (101) being arranged outside the casing.
4. The solar generator with battery thermal management system as claimed in claim 2, wherein the power supply (101) is powered by a photovoltaic module or a wind turbine.
5. The solar generator with battery thermal management system as claimed in claim 2, wherein the output interface (105) is connected externally to a load.
6. Solar generator with battery thermal management system according to claim 2, characterized in that the outside of the battery compartment is provided with an insulating layer (4).
7. The solar-electrical generator with battery thermal management system of claim 1, wherein the temperature controller (202) and temperature sensor (205) remain in a normally open state.
8. The solar generator with battery thermal management system according to claim 2, characterized in that two temperature sensors (205) are provided, which are respectively arranged on the main battery (104) and the auxiliary battery (201), and the temperature sensor (205) is internally provided with a temperature probe (2051).
9. Solar generator with battery management system according to claim 2, characterized in that the heat exchanger (2044) is close to the main battery (104) and auxiliary battery (204).
10. A method for operating a solar generator with a battery thermal management system, which is applied to the solar generator with the battery thermal management system according to any one of claims 1 to 9, wherein the method comprises:
step 1, setting a minimum temperature, a maximum temperature and an optimum temperature for a temperature controller (202);
step 2, controlling the temperature in the battery compartment,
when the temperature is too low, the auxiliary battery (201) transmits electric energy to the temperature controller (202) and the temperature sensor (205), when the temperature sensor (205) detects that the temperature in the battery compartment exceeds the minimum temperature, the controller (202) controls the heater (203) to be started to enable the temperature in the battery compartment to rise, and when the temperature controller (202) receives a temperature signal sent by the temperature sensor (205) and reaches a set optimal temperature, the temperature controller (202) controls the heater (203) to be closed;
when the temperature is too high, the controller (202) controls the refrigeration system (204) to be started to reduce the temperature in the battery compartment, the temperature controller (202) receives a signal fed back by the temperature sensor (205) in real time in the process, and when the temperature controller (202) receives a temperature signal sent by the temperature sensor (205) and reaches a set optimal temperature, the temperature controller (202) controls the refrigeration system (204) to be stopped;
and 3, in the process of outputting an external load, the main battery (104) stores the electric energy, if the external load is connected with the load, the main battery (104) enables the electric energy to pass through the inverter (103) connected with the main battery, then the inverter (103) converts the electric energy transmitted by the main battery (104) from direct current to alternating current, and then the electric energy is transmitted to the load through the output interface (105).
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| CN202010829648.5A CN111934054A (en) | 2020-08-17 | 2020-08-17 | Solar generator with battery thermal management system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114427758A (en) * | 2022-01-28 | 2022-05-03 | 内蒙古中电储能技术有限公司 | Solar energy supply system and working method thereof |
| CN115899807A (en) * | 2023-01-13 | 2023-04-04 | 宁波斯凯蒙太阳能股份有限公司 | Photovoltaic heat pump energy storage integrated intelligent temperature control system and control method thereof |
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| 孙逢春，张承宁: "《装甲车辆混合动力电传动技术 第2版》", 31 December 2016 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114427758A (en) * | 2022-01-28 | 2022-05-03 | 内蒙古中电储能技术有限公司 | Solar energy supply system and working method thereof |
| CN114427758B (en) * | 2022-01-28 | 2023-04-28 | 内蒙古中电储能技术有限公司 | Solar energy supply system and working method thereof |
| CN115899807A (en) * | 2023-01-13 | 2023-04-04 | 宁波斯凯蒙太阳能股份有限公司 | Photovoltaic heat pump energy storage integrated intelligent temperature control system and control method thereof |
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