453 results about "Solar energy conversion" patented technology

The invention relates to a spatially distributed condensation type energy system which comprises a power generation unit, an energy storage unit, a power management unit and a space intelligent sun tracking mechanism. The power generation unit can convert solar energy into electric energy by combining a concentrating solar energy technology; the energy storage unit can store electric energy; the power generation unit is connected with the power management unit; the power supply management unit is connected with the energy storage unit and manages the electric energy output by the power generation unit to be stored in the energy storage unit in a cooperative manner; the power supply management unit is also in power supply connection with the space intelligent sun tracking mechanism and the external load system; wherein the power generation unit comprises a plurality of groups of power generation modules and a bracket structure; and the plurality of groups of power generation modules are arranged on the bracket structure and are connected with the power management unit. The energy system provided by the invention can improve the photoelectric conversion efficiency of the solar cell and reduce the cost of equipment.

A multi-tier, foldable roof includes photovoltaic (PV) cells for transforming solar energy into electrical energy. The roof includes a climate layer configured to close an opening of a structure and also configured to control temperature and humidity of an interior of the structure, a PV screen having plural PV panels, each PV panel configured to include plural PV cells, and an outer layer configured to protect the PV screen from soiling. The climate layer, the PV screen and the outer layer are spaced apart from each other with a given distance (H), and each of the climate layer, the PV screen and the outer layer is configured to change from a retracted state to an expanded state.

The present invention discloses a method, system, device and photovoltaic power station for detecting point-like hot spots of photovoltaic components, which relates to the field of photovoltaic power generation, including obtaining an infrared image of a photovoltaic component and determining the grayscale value of the infrared image; constructing a decision surface function; determining the decision surface function value of each pixel point in the infrared image according to the grayscale value of the infrared image; and determining whether the infrared image includes point-like hot spots according to the decision surface function value. Considering that a photovoltaic component cannot convert solar energy into electrical energy after a failure, which leads to point-like hot spots in the infrared image, since the point-like hot spots are highly concentrated and have high grayscale values, a decision surface function that is positively correlated with the concentration of pixels in the infrared image and the grayscale value of pixels in the infrared image is constructed. Determining whether there are point-like hot spots in the infrared image according to the decision surface function can improve the accuracy of detecting point-like hot spots of photovoltaic components in the automatic inspection mode of unmanned aerial vehicles, and the subsequent positioning of the position of the faulty photovoltaic component is more accurate.

The invention discloses a loop heat pipe and water heat storage coupling system and a working method, and belongs to the technical field of heat storage. The system has the modes of light gathering of the light-following trough heat collector, heat conduction of the loop heat pipe, heat storage of the water storage tank and warm water irrigation by using the stored heat water. When sunlight is sufficient in the daytime, the system converts solar energy into sensible heat of water in the heat storage water tank and stores the sensible heat, and the sensible heat is insulated by soil to slow down heat loss; when plants need to be irrigated, warm water in the irrigation water tank is used for irrigation; at night or in the absence of illumination, warm water in the heat storage water tank exchanges heat with air in the greenhouse, so that a lasting and stable heat supply source is provided for the greenhouse. Solar energy collected by the heat collecting groove is efficiently transmitted into the water tank through the loop heat pipe driven by temperature difference to be converted into sensible heat of water to be stored, the sensible heat is used for increasing the greenhouse temperature and irrigating plants when heat is needed at night, and the purposes of efficiently storing heat in the daytime and continuously supplying heat at night are integrally achieved.

The invention discloses a sun-tracking type solar energy storage device and method, and relates to the technical field of solar energy storage, and the device comprises the following components: a sensing detection module, a control processing module, an angle adjustment module, a solar energy conversion module, a thermoelectric power generation module and an energy storage module. Environmental information such as geographic latitude, season and illumination intensity is accurately acquired through the sensing detection module, the control processing module is combined with a preset algorithm and a database, a sun tracking strategy is dynamically adjusted in real time, and the angle adjusting module is driven to accurately control the angle and speed of the solar cell panel, so that the solar cell panel is always kept at the optimal receiving angle; the defect that a traditional fixed sun tracking algorithm cannot adapt to complex environment changes is effectively overcome, the solar energy capturing efficiency is remarkably improved, and it is ensured that solar energy resources can be obtained to the maximum extent under different environment conditions.

The systems of the present disclosure include a solar-powered steam Rankine cycle (SRC) subsystem to convert solar energy into thermal energy and store the thermal energy; an ejector refrigeration cycle (ERC) subsystem to provide a first refrigeration effect with a first range of temperature based on the thermal energy; an absorption refrigeration cycle (ARC) subsystem to provide a second refrigeration effect with a second range of temperature based on the thermal energy; a brine refrigeration cycle (BRC) subsystem to generate and store when there is no cooling demand and provide a third refrigeration effect with a third range of temperature based on the electrical power generated by the ERC subsystem and the ice being melted; and an adsorption refrigeration cycle (ADRC) subsystem to provide a fourth refrigeration effect with a fourth range of temperature based on the thermal energy.

1. Name of the design product: Roof Photovoltaic 2. Use of the design product: The design product is used as a roof photovoltaic for solar panels to convert solar energy into electrical energy. 3. Design key points of the design product: lies in the shape of the product. 4. Picture or photo that best shows the design key points: Stereogram.

The invention discloses a wall-mounted greenhouse solar water circulation heat storage device, and relates to the technical field of water circulation heat storage, the wall-mounted greenhouse solar water circulation heat storage device comprises a shell, a silk screen arranged on the back surface of the inner wall of the shell, an air blowing assembly arranged on the back surface of the shell and used for blowing out heat flow, and a storage battery arranged on the top surface of the shell, the storage battery is used for storing electric energy converted from solar energy, the first concentric-square-shaped frame is arranged in the middle of the interior of the shell, the circulating assembly is arranged in the first concentric-square-shaped frame and used for circularly heating water, the second concentric-square-shaped frame is fixed to the front face of the first concentric-square-shaped frame, and the shaft fan is fixed to the back face of the second concentric-square-shaped frame. The shaft fans are rotationally mounted at the top end and the bottom end of the interior of the second concentric-square-shaped frame correspondingly, airflow heated by the bent pipes is driven through the shaft fans, and therefore the problem that heat distribution in a greenhouse is unbalanced due to the fact that hot air blown out by the water circulation heat storage device is not uniform is solved.

The present invention relates to a salt-resistant water treatment device and a salt-resistant method in a water treatment process. Conventional seawater, high-salt brine, etc. are treated by a photothermal absorber device to obtain freshwater resources. Solar energy is used as the sole energy source, and the absorbed solar energy is converted into thermal energy. A thin layer of water body is efficiently and locally heated to promote its rapid evaporation. The device can prevent device failure caused by salt crystallization, and is energy-saving and environmentally friendly without increasing environmental energy consumption.

The invention discloses a building photovoltaic integration and air conditioning system fusion system comprising a photovoltaic power generation subsystem used for converting solar energy into electric energy; the energy storage subsystem is used for storing and releasing electric energy; the air conditioning subsystem is used for adjusting the indoor environment of the building; the intelligent management and control subsystem is in communication connection with the photovoltaic power generation subsystem, the energy storage subsystem and the air conditioner subsystem and is used for collecting operation data of the subsystems, predicting photovoltaic output and air conditioner loads and executing scene-divided energy scheduling based on a model prediction control algorithm; therefore, the cooperative operation of preferentially supplying photovoltaic electric energy to the air-conditioning subsystem, storing or grid-connecting surplus electric energy, and supplementing energy by the stored energy or the power grid when the energy is insufficient is realized. According to the system, efficient production, storage and intelligent utilization of building energy can be achieved, a novel building energy system with self-generation and self-use, residual electricity storage and coordinated regulation is constructed, and the core problems that an existing building photovoltaic and air conditioning system is poor in collaboration and low in intelligent level are solved.

The invention discloses a photovoltaic energy storage and electrolysis integrated system and a control method thereof, and relates to the technical field of new energy. The photovoltaic energy storage and electrolysis integrated system comprises a photovoltaic power generation unit used for converting solar energy into direct current electric energy; the energy storage unit comprises an energy storage battery pack and is provided with a liquid cooling heat management system, and the liquid cooling heat management system is used for adjusting the temperature of the energy storage battery pack in a liquid cooling mode. The first direct-current electric energy router is arranged between the photovoltaic power generation unit and the direct-current bus, and the second direct-current electric energy router is arranged between the energy storage unit and the direct-current bus and used for configuring corresponding power supply output parameters; the bus protection unit comprises a check valve group and / or a high-speed isolation switch, is arranged between the direct-current bus and the main bus and is used for connecting and protecting the direct-current bus and the main bus; and the electrolytic load unit is electrically connected with the main bus and is used for carrying out electrolysis work under direct-current power supply. According to the embodiment of the invention, safe and stable operation of the system can be effectively guaranteed.

The invention discloses a photovoltaic system based on transpiration self-cleaning, which comprises a complete machine frame, and an automatic light following mechanism, a height self-adaptive mechanism, a cleaning system, a sensing system and a control system which are arranged on the complete machine frame, the height self-adaption mechanism can adjust the vertical height of the whole machine frame, the height self-adaption mechanism is lowered to be close to plants at night so as to improve the transpiration efficiency, and the height self-adaption mechanism is raised to be away from the plants in the daytime so as to avoid sunshine shielding, and the cleaning system can transport water collected by the plant transpiration on the base supporting plate to the photovoltaic panel. And the purpose of self-cleaning of the photovoltaic panel is achieved by using the mist spray head. Meanwhile, according to the photovoltaic system disclosed by the invention, sun position signals acquired by the visual system, the light intensity sensor and the temperature sensor can be integrated and analyzed by utilizing a weighted average algorithm, so that the orientation of the photovoltaic panel is controlled, and the solar energy conversion efficiency is improved. The self-cleaning operation of the photovoltaic system is realized based on the transpiration of plants, the cleaning and maintenance cost of the photovoltaic panel is reduced, and the stability and long-term operation efficiency of the photovoltaic power generation system are improved.

The invention provides a photovoltaic energy storage system capable of adjusting energy storage, and belongs to the technical field of energy storage. The system comprises a photovoltaic power generation unit, an adjustable energy storage module, a bidirectional converter and an intelligent control unit. The photovoltaic power generation unit is used for converting solar energy into electric energy; the adjustable energy storage module comprises a plurality of groups of battery packs capable of dynamically switching topological structures, and supports charging, discharging, standby mode switching and continuous charging and discharging rate adjustment; and the bidirectional converter realizes bidirectional conversion of direct-current and alternating-current electric energy. The intelligent control unit integrates a prediction model based on LSTM and adaptive fractional order Kalman filtering, an NSGA-III multi-objective optimization framework, a deep reinforcement learning agent and a battery health degree online evaluation module, receives a power grid demand signal, user load data and weather prediction information in real time, and generates an energy storage strategy instruction. All the modules cooperate closely, efficient cooperation of prediction, optimization, control and management is achieved, and the comprehensive performance and economical efficiency of the system are remarkably improved.

The invention relates to the field of composting management systems, and particularly discloses an alpine region aerobic composting system and method based on light storage and energy supply integration, the system comprises a composting barrel main body, the composting barrel main body is internally provided with a heating unit, a temperature sensor and a ventilation pipeline, and the bottom of the composting barrel main body is provided with a discharge port; the photovoltaic power generation module is used for converting solar energy into light energy; the inverter module is electrically connected with the photovoltaic power generation module, has an MPPT (maximum power point tracking) function and is used for converting direct-current electric energy input by the photovoltaic power generation module into first current or second current, and the first current is used for directly supplying power to the heating unit; the sodium ion battery energy storage module is mounted on the side surface of the composting barrel main body and is used for receiving the second current as charging current or outputting third current to supply power to the heating unit. By adopting the technical scheme provided by the invention, the aerobic composting maturity of the alpine region can be improved, and the operation cost is relatively low.

The invention belongs to the technical field of ship energy management, and particularly relates to a pure electric power ship energy storage and conversion management system. Based on an intelligent control algorithm of model prediction control, a mathematical model of a battery and a solar energy system is established by taking a real-time operation state of a ship, an energy demand and an environmental condition as input, an energy state is predicted, and a strategy is dynamically adjusted to realize optimal energy distribution. The real-time monitoring system monitors battery parameters in real time and transmits the battery parameters to the central controller for processing. And the battery management system realizes balanced charging and discharging control of the battery, and optimizes energy storage by combining with auxiliary energy storage of a super capacitor. The self-adaptive fuzzy control algorithm tracks the maximum power point of the solar panel in real time, and solar energy conversion is optimized. The central controller dynamically adjusts energy storage and conversion according to real-time monitoring data and an intelligent control algorithm result, and energy dynamic adjustment is achieved. According to the invention, energy storage and conversion are optimized, the energy utilization rate is improved, and the system reliability is enhanced.

The invention discloses green hydrogen production and combined heat and power supply equipment based on solar energy conversion, and relates to the technical field of energy utilization, the green hydrogen production and combined heat and power supply equipment comprises a cabinet body, one side of the cabinet body is provided with a solar cell panel, and the interior of the cabinet body is fixedly connected with an electrolysis tank used for electrolyzing circulating water; high-heat chemical reaction water is conveyed into the ion resin exchanger, ions of the chemical reaction water can be removed, the chemical reaction water enters the electrolysis tank again after being purified, water is subjected to circulating electrolysis, the whole first cooling water pipe can be wrapped in the conveying process, and the water circulation efficiency is improved. The first cooling water pipe is arranged in the heat exchanger, high-temperature water about to enter the heat exchanger is subjected to heat preservation, the phenomenon that when the high-temperature water passes through the first cooling water pipe, heat of the high-temperature water is lost, and consequently the heat exchange efficiency of the high-temperature water and water pumped in the water tank is reduced is effectively prevented, and the effect of high energy utilization rate is achieved.

The invention discloses an intelligent bird nest protection system based on the Internet of Things, and the system is characterized in that the system comprises a camera, a recognition module, a positioning module, a sensor module, and a photovoltaic power generation module; the camera and the recognition module are used for monitoring day and night and recognizing the types, behaviors and health conditions of the birds in real time through a neural network model; the positioning module is used for realizing high-precision positioning of a plurality of bird nests through combined work of a base station and a mobile station by adopting a differential GPS technology and a combined positioning algorithm; the sensor module integrates a temperature and humidity sensor and an illumination sensor and is used for monitoring environmental parameters in the bird nest; the photovoltaic power generation module is used for converting solar energy into electric energy by utilizing a photovoltaic panel and providing energy support for the intelligent bird nest protection system; real-time and continuous monitoring data is provided, and missing of key information is avoided; and through an intelligent identification technology, the accuracy and reliability of monitoring data are improved.

The invention discloses an Au7Cu10 nanocluster and a preparation method and application thereof.The preparation method comprises the following steps that chloroauric acid and cuprous chloride serve as a gold source and a copper source respectively and are dissolved and stirred in a solvent, 1-adamantanethiol is added, and the color of the solution is changed into dark green from yellow; continuously adding diphenyl-2-pyridine phosphine to enable the color of the solution to be changed from dark green to light orange, continuously adding a mixed solution of sodium borohydride and ice water, and isolating air to enable the color of the solution to be quickly changed into black; and centrifuging to remove a water phase, evaporating an organic phase, washing black precipitate, recrystallizing a crude product at low temperature, and culturing to obtain the Au7Cu10 nanocluster. The Au7Cu10 nanocluster disclosed by the invention shows excellent performance, so that the Au7Cu10 nanocluster has the potential of serving as molecular triplet energy and an electronic substitute in optoelectronics, photocatalysis and solar energy conversion.

A self-sufficient, solar-powered lighting system, comprising: a) a photovoltaic module (5) for converting solar energy into electrical energy, b) a rechargeable lithium iron phosphate battery (LiFePO4) (9) for storing the generated energy, c) at least one dimmable LED light (3) for illumination, d) a control unit with a microcontroller (13) and integrated control software, e) a communication module (17) for wireless data transmission (NB-IoT, LTE, or 4G), f) a sensor (11) for detecting the battery state of charge (SOC), g) a motion sensor (8) for detecting movements and determining the movement speed, h) program logic for dynamically controlling the light intensity, wherein at least the parameters battery state of charge (SOC), detected movement speed, and current and forecast weather data are evaluated,i) an energy output module for providing surplus energy to external consumers or for feeding into the local power grid, characterized in that the lighting unit has a reduced basic brightness in the idle state and, upon detection of movement, is increased to different brightness levels depending on the speed of movement, with additional animal-friendly transitions during switching on and off being provided, and the system preemptively charges the battery to the maximum value in the event of forecast bad weather in order to ensure extended self-sufficiency.

The invention relates to the technical field of photoelectrocatalysis, in particular to a Mn (II) coordination polymer photoelectrode crystalline material and a preparation method and application thereof. The Mn (II) coordination polymer {[Mn2 (H2O) 6 (DODDA)]. 4H2O} n is obtained from an H4 (DODDA) organic ligand and manganese salt through a solvothermal method, an asymmetric unit comprises two Mn (II) ions in different coordination modes, adjacent Mn2 ions are bridged through carboxyl oxygen of the ligand to form straight chains, and two adjacent Mn2 straight chains are further bridged with Mn1 through the H4 (DODDA) ligand to form a transverse trapezoidal one-dimensional chain. A three-dimensional supramolecular structure is formed among the one-dimensional chains through the interaction of a large number of intermolecular hydrogen bonds. The Mn (II) coordination polymer shows better photoelectric property, has the potential of serving as a photoelectrode material, has good optical and electrical characteristics, can be used for constructing an efficient photoelectrocatalysis water decomposition system, and has application prospects in the aspects of photocatalytic hydrogen production, solar energy conversion and the like.

The utility model discloses a shockproof device for a solar energy conversion system, which comprises a shell, a support frame is arranged in the middle of the inner side of the shell, a bracket is arranged above the support frame, and a photovoltaic panel main body is arranged on the upper surface of the bracket; a plurality of shock absorbers are connected to the outer side of the supporting frame in a sliding mode, and the shock absorbers are connected with the support; through cooperation of the air bags and the shock absorbers, when the photovoltaic panel body vibrates or collides, buffering and shock absorption work can be effectively carried out, the situation that the photovoltaic panel body is damaged due to vibration or side face collision is avoided, and the service life of the photovoltaic panel is effectively prolonged.

According to the photovoltaic panel conversion power rapid detection method and system provided by the invention, credible weights in solar energy conversion power analysis results corresponding to different photovoltaic panel conversion power detection networks are mapped into the same credible weight SQL database; therefore, the conditions that grammar errors occur in the real-time photovoltaic energy conversion information catalog represented by the spliced solar energy conversion power analysis results and the detection of the real-time photovoltaic energy conversion information is inaccurate due to different credible weight distribution conditions in a plurality of solar energy conversion power analysis results can be avoided; moreover, the capability of obtaining real-time photovoltaic energy conversion information description by a plurality of photovoltaic panel conversion power detection networks can be considered, the reliability of the obtained real-time photovoltaic energy conversion information catalog is ensured, and the real-time photovoltaic energy conversion information can be accurately detected. Therefore, the accuracy of target solar energy conversion power analysis result detection is ensured.

An all-weather seawater desalination and photovoltaic panel waste heat recovery device comprises a transparent cover plate located on the top layer and a photovoltaic panel, the lower surface of the photovoltaic panel is connected with the upper half portion of a cross-scale porous material, the lower half portion of the cross-scale porous material droops into seawater, and microcapsules are sprayed on the lower surface of the upper half portion of the cross-scale porous material. The four structure supporting plates are located on the four side faces of the device and are tightly connected with the arc-shaped bottom plate, and the bottom of the device is connected with the water outlet pipe. The photovoltaic panel collects solar energy and converts the solar energy into electric energy, and generated waste heat is transmitted to the cross-scale porous material through the heat-conducting glue; the cross-scale porous material absorbs seawater and discharges salt and impurities, water vapor is generated through a thermal evaporation method, the microcapsules absorb and store a large amount of heat energy in the daytime and release the heat energy at night, the water vapor generated by the cross-scale porous material descends and is condensed in the condensation cover, and salt-removed fresh water is formed. Fresh water generated in the desalination process is led out from the water outlet pipe; the seawater desalination efficiency can be improved, and circulating evaporation is achieved.

The invention relates to a device (10) for converting solar energy into electrical energy and thermal energy, the device (10) comprising: a main body (12) having an upper side (14) which can be oriented towards the sun, an lower side (18) which can be oriented towards a building (16), and at least one lateral side (20) which is arranged between the upper side (14) and the lower side (18); a photovoltaic module (24) forming the upper side (14) for converting the solar energy into electrical energy; and a heat exchanger (28) having a fluid chamber (44) through which a thermal fluid (46) can flow, the fluid chamber (44) adjoining the photovoltaic module (24).

The invention discloses a preparation method and application of a ferroelectric enhanced core-shell structure artificial photosynthetic heterojunction catalyst, and belongs to the field of solar energy conversion and photocatalytic degradation. The invention aims to explore the technical problems of low-cost green preparation, high photoelectric conversion efficiency and photocatalytic performance improvement of the photocatalyst. The method comprises the following steps: 1, respectively dissolving bismuth nitrate pentahydrate and iron nitrate nonahydrate in ethylene glycol in sequence, heating in a water bath, stirring, aging, transferring sol into an air dry oven, drying to obtain gel powder, grinding, transferring the powder into a muffle furnace, and calcining to obtain BiFeO3 powder (named as BFO); and 2, dissolving thioacetamide in deionized water, fully stirring, adding the BFO prepared in the step 1, transferring the solution into an ultrasonic cleaning machine, carrying out ultrasonic dispersion, transferring the solution into a reaction kettle, carrying out heating reaction, cooling, washing, and drying to obtain the ferroelectric enhanced Bi2S3 / BFO photocatalyst with a stable heterojunction structure.

The utility model discloses an efficient and energy-saving rolling bearing type ball mill which comprises a bottom plate, a barrel is arranged at the top of the bottom plate, an annular elastic cushion is fixedly connected to an inner cavity of the barrel, a steel ball is arranged at the bottom of an inner cavity of the annular elastic cushion, and seat bodies are movably connected to the two sides of the barrel through bearings. A mounting plate is fixedly connected to the bottom of the seat body, a support is fixedly connected to the bottom of the mounting plate through bolts, the support is fixedly connected with the bottom plate, a motor is arranged on the front face of the barrel body, and a speed reducer is fixedly connected to the output end of the motor. Grinding is carried out through the barrel and the steel balls, the force of the steel balls impacting the barrel is increased through the annular elastic cushion so as to accelerate grinding speed, improve grinding efficiency and reduce consumption of electric energy, meanwhile, solar energy is converted into electric energy through the solar photovoltaic panel, the electric energy is stored in the storage battery to be used by electric equipment, and the purposes of high efficiency and energy saving are achieved. And the use of people is facilitated.

A system (100) for dual-source sustainable energy production in a vehicle (105) is disclosed A slidable solar panel (110) placed on a rooftop of the vehicle convert solar energy into electrical energy. The slidable solar panel includes a plurality of wheels (145) drag the slidable solar panel over a boot space of the vehicle for ensuring standard roof functionality. A plurality of wind fans (115) including a plurality of wind blades (120) capture the wind energy for converting into mechanical energy and at least two generators (130a, 130b) convert the mechanical energy into electrical energy. An energy storage unit (135) store electricity produced from the slidable solar panel and the plurality of wind fans to extend the driving range. A solar inverter (140) converts electrical energy stored into alternating current for use by the vehicle.

1. Name of the product in this design: Photovoltaic panel. 2. Purpose of this design: This design is used for photovoltaic panels that convert solar energy into light energy. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view.

The present invention describes a photovoltaic (PV) generator ideally suited for off-grid and remote areas, having a substantially upright structure and comprising a cabinet adapted for grounding on which a plurality of vertically disposed PV panels are mounted. The cabinet accommodates a control circuit for collecting, storing and delivering electrical energy generated by the PV panel. And redundant energy is accumulated in the battery pack and is conveyed as required when the PV panel is insufficient in power supply. The generator is optimized to rated power, ideally for off-grid life (average daily output of 200 Wh / day) and for maintaining home use during seasonal minimum values of solar radiation, and is provided with sufficient PV energy harvesting area to deliver average daily rated power.

The utility model discloses a solar power-to-heat conversion device, which comprises a heater, a solar power generation device and a heating device, the heating medium conveying pipeline is provided with a water pump set and comprises a heating part, a water storage part and a heat dissipation part, the heating part is in butt joint with the heater, the water storage part is in butt joint with a heat preservation water storage tank, and the heat dissipation part is used for being in butt joint with heat dissipation equipment; the problem that the cost is high due to coal burning or direct electric heating is solved through the photovoltaic power generation assembly by means of solar heating, a more money-saving and environment-friendly heating mode is achieved, the heat preservation water storage tank is arranged, hot water can be stored in the heat preservation water storage tank, and it is guaranteed that heating can still be achieved at night; hot water heated in the daytime is stored through the water storage tank and then flows back into the heat dissipation equipment through the water storage part of the heating medium conveying pipeline, the heating medium conveying pipeline can be in butt joint with the water storage tank to enable the hot water to circulate under the condition that no solar energy is converted into electric energy to supply power to the heater at night, and heating at night is guaranteed.