345 results about "Solar water" patented technology

The invention discloses a water level and water quality dynamic monitoring management system and a water level and water quality dynamic monitoring management method, and particularly relates to the technical field of water level and water quality monitoring. And selecting an LSTM neural network, an RANSAC or a hybrid compensation algorithm thereof through a decision mechanism to carry out data correction. Meanwhile, an anomaly detection model is deployed at an edge node, and the model threshold is dynamically adjusted to improve the mutation recognition accuracy. And the cloud end constructs a hydrodynamic force-water quality coupling prediction model through multi-source data fusion to realize early warning of ecological risk events. The system is matched with solar energy-hydraulic power dual-mode energy supply and a LoRaWAN + 5G hybrid communication network, and is suitable for long-period automatic operation in an area without commercial power. The method has the advantages of intelligent data processing, adaptive compensation algorithm, flexible system deployment and the like, and is suitable for continuous monitoring and dynamic management of reservoirs.

The invention relates to the technical field of cluster operation, maintenance and fault diagnosis of a solar water heating system, and discloses a cluster operation, maintenance and fault diagnosis system of a solar water heating system based on digital twinning. The operation, maintenance and diagnosis system comprises a sensing terminal, a multi-source data processing and transmission module, a cluster operation and maintenance management module, a fault diagnosis module and a fault early warning module, and the sensing terminal comprises a data acquisition module, a radar integration module, a satellite positioning module, a Lora communication module and a direct current power supply module. The multi-source data processing and transmission module comprises an edge preprocessing engine and a protocol conversion gateway; the fault early warning module comprises a background server early warning unit and a maintenance information distribution unit; the data acquisition module comprises a temperature sensor, a flow meter, a pressure sensor and an irradiance instrument; through the system, the fault identification accuracy and the fault maintenance efficiency of the solar water heater can be improved.

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 invention discloses a bionic tree-shaped evaporator based on hollow microtubes and application thereof, and relates to the technical field of solar water treatment.The bionic tree-shaped evaporator is prepared through the following steps that bacterial cellulose hybrid spinning solution serves as shell layer fluid, absolute ethyl alcohol serves as core layer fluid, the shell layer fluid and the core layer fluid are co-extruded into an ethyl alcohol coagulating bath, curing is conducted, washing is conducted with ethyl alcohol and deionized water in sequence to be neutral, and drying is conducted to obtain the bionic tree-shaped evaporator. A hollow hybrid microtube is obtained; and arranging and fixing the plurality of hollow hybrid microtubes on a bracket according to a tree-shaped branch structure to obtain the bionic tree-shaped evaporator. The bionic tree-shaped evaporator prepared by the invention has excellent mechanical flexibility, salt tolerance and purification efficiency, and provides a new material and a new scheme for efficient and sustainable solar seawater desalination and wastewater treatment.

The utility model relates to the technical field of hot water tanks, in particular to a photovoltaic phase change heat storage water tank which comprises a shell and an inner container, the inner container is fixedly connected in the shell, a baffle is fixedly connected in the inner container, and a phase change heat storage water tank is arranged in the space, located above the baffle, in the inner container. An electric heating water tank is arranged in the space, located below the baffle, in the inner container, the phase change water storage tank is filled with phase change heat storage balls, the upper end of the shell is fixedly connected with a ball discharging pipe opening used for adding the phase change heat storage balls into the inner container, two sets of electric appliance openings are formed in the side face of the shell, and a variable-frequency direct-current photovoltaic heating pipe and an alternating-current heating pipe are fixedly connected into the two sets of electric appliance openings respectively; direct current generated by the photovoltaic assembly directly drives the variable-frequency direct-current photovoltaic heating pipe to heat water in the electric heating water tank, the phase-change heat storage ball stores energy, heat energy is released when the temperature of hot water is insufficient, water in the inner container is heated, and the solar water heater can be stably used under various weather conditions and is good in heat energy storage effect.

The invention discloses an oxide semiconductor plane p / n superstructure and a preparation method thereof. According to the method, a latticed mask is formed on the surface of an oxide thin film based on a photoetching process, O2 atmosphere annealing (100-300 DEG C, 15-40 min) is combined, the local oxygen vacancy concentration of a mask covering area and an exposed area is precisely regulated and controlled, and precise in-situ conversion of a p type (oxygen-rich area) and an n type (oxygen-poor area) in a homogeneous material is achieved. The planar p / n superstructure breaks through the strict limitation of a traditional vertical multi-junction structure on material doping and interface quality, the width of a depletion region is expanded to the micron order through the p / n homojunction arrays alternately distributed in the plane, and the bulk recombination effect of photon-generated carriers is remarkably inhibited. According to the method, an innovative technical route of photoetching-assisted in-situ construction of the planar multi-junction photoelectrode is created, the method has the advantages of interface atomic-scale lattice matching, simple process, high compatibility, accurate and controllable space charge distribution and the like, and a technical foundation is laid for non-assisted solar water decomposition, research and development of self-driven optoelectronic devices and the like.

The invention discloses a divided water tank device for an internal heat exchanger of a split type solar water heater. Butt welding is carried out by utilizing an end enclosure of a stainless steel confined water bank inner bag; the end enclosure is used as the heat exchanger to play the role of a water tank partition board; the water tank is divided into independent divided cavities; the heat exchanger is sealed with the inner bag of the water tank; the adjacent cavity bodies communicate with each other via draught tubes; the medium circulation and the medium supplement, namely unconfined running of the heat exchanging part, are carried out safely and reliably via an upper circulating pipe and a heat collecting part; and the device can fully improve heat energy transformation and reduce heat loss.

To provide a photoelectric conversion element that has light resistance, heat resistance, and infrared light transmittance, and has excellent conversion efficiency.SOLUTION: A photoelectric conversion element includes a first substrate, a first electrode, a hole transport layer, a photoelectric conversion layer, an electron transport layer, and a second electrode, in this order. The first electrode includes a metal nanowire, and the hole transport layer includes a polymer of a hole transport material.SELECTED DRAWING: Figure 1

The invention discloses a condensation solar cement calcining kiln with a heat storage function and a working method thereof, and belongs to the field of energy and building material production, the condensation solar cement calcining kiln comprises a solar condenser, a cement calcining kiln, a solid heat storage material, a circulating heat release unit and a system control device, the solar condenser focuses solar energy through a daylighting opening of the cement calcining kiln, and cement clinker sintering is achieved; low-temperature gas discharged from the calcining kiln enters the raw material preheating tank to provide raw material preheating heat; the solid heat storage material in the kiln cavity absorbs sunlight and raw material radiant heat to store heat; when solar irradiation fluctuates, the circulating heat release unit enables air to exchange heat with a heat storage material, and high-temperature air required by continuous calcination is provided; the system control device regulates and controls the position, temperature and reaction process of the kiln body. Through integration of light condensation, heat absorption and heat storage, calcination of the zero-carbon cement is achieved, high-temperature CO2 gas and high-temperature air in the calcination process can be used for preheating raw materials, and gradient utilization of solar energy is achieved.

The utility model discloses a split type refrigerator structure, which is characterized in that a first box body and a second box body are detachably connected, so that a user can independently carry the first box body for storing articles according to requirements, and does not need to carry the whole refrigerator structure. Therefore, the portable solar water heater is lighter and easier to carry under the conditions of outdoor activities, travel or limited space; the air cooling system is placed in the second box body, so that the storage space in the first box body can be maximized; due to the split type design, any part can be cleaned or maintained more easily, if the air cooling system goes wrong, only the second box body needs to be detached for maintenance, and the first box body for storing food does not need to be influenced; and the independent air cooling system can better adjust the temperature in the storage cavity, so that the freshness of the food is ensured. In addition, the first box body and the second box body which are different in size can be freely selected according to actual requirements, and therefore the optimal space utilization and energy consumption ratio are achieved.

An improved solar water distillation system which is effective for processing supersaturated brine commonly used in lithium mining comprising: a flushing system for controlling and substantially minimising cross-contamination of condensate stream(s) and salt deposits and / or treatment liquid, having a first flushing station integrated at a first location on a frame part of a solar still upstream from a treatment liquid separator, and including transfer means; wherein liquid from a liquid source is transferred to the first flushing station by the transfer means at a predetermined rate effective for dislodging and displacing solid salt deposits on the solar still.

1. The name of the design product: solar water treatment equipment. 2. The use of the design product: for solar water treatment. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention relates to a solar heating system (100), characterized in that it comprises: a solar water heater with integrated collector and storage (50, 51), including a water storage tank (50a, 51a) with a cold water inlet (50b, 51b) and a hot water outlet (50c, 51c), and a transparent surface (50d, 51d); a vacuum tube solar collector (40, 41), including a head collector (40a, 41a) with a cold heat transfer fluid inlet (40b, 41b) and a hot heat transfer fluid outlet (40c, 41c), and a plurality of vacuum tubes (40d, 41d), connected to the head collector (40a, 41a), containing a heat transfer fluid. The vacuum tubes (40d, 41d) extend above the transparent surface (50d, 51d), and the solar water heater with integrated collector and storage (50, 51) includes an internal heat exchanger (60, 61). Figure for the abstract: Figure 1

The utility model discloses a low-carbon sunny and sunny type sunlight greenhouse, which belongs to the technical field of indoor planting and comprises an assembly type sunny and sunny greenhouse, the sunny greenhouse and the sunny greenhouse comprise a shared partition wall and supporting frameworks respectively extending to the south direction and the north direction from the top of the partition wall, and a heat collecting system is mounted in the sunny greenhouse. A heat storage system and a temperature and CO2 adjusting system are installed in the shady shed and the sunny shed, and the heat collection system comprises waste heat recovery equipment, a solar water heater and a heat storage device, wherein the waste heat recovery equipment and the solar water heater are installed above the sunny shed, and the heat storage device is arranged on a sunny side partition wall. The heat storage system comprises underground temperature storage devices and a water storage tank, wherein the underground temperature storage devices are arranged under the shady shed and the sunny shed respectively and connected with the waste heat recovery equipment, and the water storage tank is arranged in the shady shed. The temperature and CO2 adjusting system comprises a temperature and humidity sensor, an oxygen sensor and a CO2 sensor which are arranged in the shady shed and the sunny shed, a temperature sensor arranged in the water storage tank and the heat dissipation device, a plurality of fans arranged at the upper part of the partition wall and a plurality of ventilation windows arranged at the lower part of the partition wall.

The utility model relates to the technical field of agricultural irrigation equipment, in particular to an agricultural irrigation water diversion device which comprises a water pressing well body, a water storage tank is movably inserted in the water pressing well body, a hole is formed in the water storage tank, a limiting frame is arranged at the hole, and a water taking assembly is welded to the back face of the water pressing well body. The pressurized-water well body comprises a barrel, a hole is formed in the middle of the front end of the barrel and communicated with a first communicating pipe, a hole is formed in the upper portion of one side of the barrel and communicated with a second communicating pipe, and the water outlet end of the second communicating pipe is matched with the mounting position of a limiting frame on the water storage tank. The water taking assembly comprises a frame body, a groove is formed in the frame body, a connecting rod is rotationally installed on the frame body, a screw is welded to the rear end of the connecting rod, and a holding rod is fixedly installed at the rear end of the connecting rod through the screw. The solar water heater has the advantages that the solar water heater can operate without external power supply and has a water storage function.

The utility model belongs to the technical field of solar water heaters, and particularly discloses a solar water heater installation support which comprises a solar water heater body formed by connecting a water tank, a heat collecting pipe, a supporting rod and a tow bar, the two sides of the water tank are connected through a supporting hook in a bearing mode, the supporting hook is backwards connected with a supporting plate, and the supporting plate is installed on the support. The support comprises optical shafts penetrating through the two sides of the supporting plate, the tops of the optical shafts are connected with a top plate, the bottoms of the optical shafts are connected with the rotating seat, and a lead screw penetrates through the center of the top plate downwards and is in threaded connection with the center of the supporting plate; sliding rails are arranged on the two sides of the rotating base, rollers are installed in the sliding rails and connected to connecting shafts through bearings, and the ends of the connecting shafts are in threaded connection with threaded holes formed in the two sides of the mop rod. The rotating seat is installed on the base, and a rotating driving mechanism is arranged in the base and connected with the center of the bottom of the rotating seat. The angle of the heat collecting pipe of the solar water heater can be adjusted according to the actual environment condition, and the solar energy absorption efficiency of the water heater is ensured.

The utility model discloses a roof solar water heating system which comprises a flat-plate solar collector, an air source heat pump unit, a heat pump heating circulating water pump, a pipeline system and a heat preservation water tank. The flat-plate solar heat collectors are fixed on a roof foundation through a support, the flat-plate solar heat collectors are arranged in multiple rows and are connected in series through heat collector water pipes, and the two ends of each flat-plate solar heat collector are connected to the heat preservation water tank. The air source heat pump unit and the heat pump heating circulating water pump are connected to the heat preservation water tank through a circulating water pipe. The cold water supply pipe supplements cold water to the heat preservation water tank, the hot water supply pipe conveys hot water in the heat preservation water tank to all water consumption ports, and the hot water return pipe recovers unused hot water to the heat preservation water tank. The solar water heater can solve the problems that the water temperature of the solar water heater rises slowly and is unstable, residual hot water cannot be effectively utilized, and energy is wasted due to electric heating in cloudy and rainy days.

The utility model provides a kind of vacuum tube solar water heater auxiliary heating hot water system, comprising: auxiliary assembly, auxiliary assembly is located in indoor, auxiliary assembly one end is connected with vacuum tube solar water heater, vacuum tube solar water heater is installed on roof upper surface one end, vacuum tube solar water heater one side is equipped with backwater, vacuum tube solar water heater lower surface one end is equipped with hot water outlet, hot water outlet is equipped with hot water outlet pipe, hot water outlet pipe is connected with auxiliary assembly in backwater, indoor wall one side is equipped with controller. By temperature difference circulation, solar energy can be maximized, avoid traditional solar energy system in heat idle, accurate energy saving, avoid invalid cycle, dynamic response weather change, reduce manual intervention, solar energy is only used as auxiliary heating equipment, it does not affect the normal operation of main heating equipment, avoid the problem of high rate of complex fault of solar energy maintenance.

The utility model relates to the technical field of solar water heaters, and discloses an intelligent solar water heater which comprises a base, a rotating disc is arranged at the top of the base, a solar fixing frame is arranged at the top of the rotating disc, and a driving rotating assembly fixedly connected with the bottom of the rotating disc is arranged at the top of the base. A water tank is arranged at the top of the solar fixing frame, and a solar vacuum tube with one end communicated with the inner wall of the water tank is arranged outside the solar fixing frame. According to the intelligent solar water heater, by arranging the driving rotating assembly, when the irradiation direction needs to be adjusted, an electric push rod is started to drive a rack plate to move through the output end, and the rack plate and a gear are used in cooperation, so that a rotating shaft drives a rotating disc and a solar fixing frame to rotate; and therefore, the purpose of adjusting according to the irradiation direction of the sun is achieved, the practicability of the device is improved, and workers can use the device conveniently.

The utility model discloses a solar water heating system based on a separated heat pipe, which comprises a solar energy unit arranged on the outer side of a wall body and a water heater unit arranged on the inner side of the wall body, and the solar energy unit is communicated with the water heater unit through a breather pipe. Each solar unit comprises an upper header, a lower header and a glass pipeline arranged between the upper header and the lower header in a communicating mode. The glass pipeline comprises a glass tube on the outer layer and an evaporation tube sleeved on the inner side of the glass tube; and the upper header and the lower header are respectively communicated with the water heater unit through breather pipes. According to the solar water heating system based on the separated heat pipes, the separated solar water heating system is formed by the separated heat pipes, energy is efficiently utilized, stability and safety of the system are improved, the solar water heating system can normally operate under various environmental conditions, and reliable service is provided for users.

The utility model relates to solar water heater component technical field especially relates to an improved solar heat collecting pipe structure, including light -transmitting outer tube, the heat absorbing inner tube of setting in the middle part of light -transmitting outer tube inside, the selective absorption coating of coating in the heat absorbing inner tube outside and the heat pipe of detachable installation in the heat absorbing inner tube inside through fixed plug, the heat collecting part of setting between light -transmitting outer tube, heat absorbing inner tube and heat pipe has comprehensively promoted solar heat collecting pipe heat absorption and heat conducting effect. In the utility model, the heat conducting wire net and heat conducting support seat are arranged between the heat absorbing inner tube and the heat pipe, and a mirror surface reflecting layer is arranged on the light-transmitting outer tube, sunlight can be reflected to the lower side of the heat absorbing inner tube through the mirror surface, the contact area between sunlight and the heat absorbing inner tube is effectively increased, and the heat loss of heat transfer between the heat absorbing inner tube and the heat pipe is effectively reduced, so that the heat efficiency of the solar heat collector is comprehensively improved.

The utility model discloses a solar water heater interface protection device, and relates to the technical field of solar water heaters, in particular to a solar water heater interface protection device which comprises a water tank, and an exhaust port and a water inlet are sequentially formed in one end of the water tank from top to bottom. And the interiors of the exhaust port and the water inlet are in threaded connection with sealing steel pipes, the surfaces of the sealing steel pipes are in threaded connection with switching bent pipes, and one end of the switching bent pipe at the top is in threaded connection with an exhaust pipe. In the using process, the arc-shaped clamping piece A and the arc-shaped clamping piece B are connected through the fastening bolt and arranged on the exhaust pipe and the water inlet adapter in a sleeving mode, then the assembling assembly and the I-shaped protection plate are connected through the reinforcing bolt, and therefore the exhaust pipe and the water inlet adapter are protected through the I-shaped protection plate, and the positions of the exhaust pipe and the water inlet adapter are kept fixed and perpendicular. And therefore, the condition that each pipeline is corroded and bent to cause blockage after being used for a long time is reduced.

The utility model discloses a kind of sealing structure suitable for high temperature / low temperature environment, it is related to sealing technical field, specifically includes: solar water heater, drain pipe, connecting pipe, the outer surface of drain pipe and connecting pipe is equipped with sealing mechanism, the sealing mechanism is used to seal protection and detection treatment to the connecting place of drain pipe and connecting pipe, to assist adaptation high-low temperature environment.This device is by the adsorption of left magnetic plate and right magnetic plate in sealing mechanism, so that the silicon rubber inside left half circle sleeve pipe and right half circle sleeve pipe can be closely fitted in the connecting place of pipeline, complete sealing, by the high temperature resistance and material flexibility of silicon rubber itself, in the case of high and low temperature, can assist to strengthen the protection of pipeline connecting place, avoid the problem of sealing failure caused by temperature change in pipeline connecting place.This device can detect whether there is the problem of leakage in connecting place by the water absorption function of water absorption expansion block in detection component.

This invention discloses a universal circulating guide pipe device for upgrading traditional solar water heaters, comprising an mounting plate, a sleeve, a circulating outlet guide pipe, a circulating return pipe, and a sensor blind pipe. The mounting plate has a through hole at its center for fitting onto the outer wall of the sleeve. The circulating outlet guide pipe and the sensor blind pipe are inserted into the sleeve. A circulating return pipe mounting hole is integrally formed on the lower side wall of the sleeve, allowing the circulating return pipe to be vertically connected to the sleeve through this mounting hole. This invention features a simple structure, reasonable design, and convenient and quick assembly. This circulating guide pipe device can upgrade traditional solar water heaters into water-circulating air-source heat pump water heaters, forming a complete dual-source system of air-source heat pump water heater + solar water heater. The upgrade cost is low, making it possible to upgrade traditional solar water heaters and improve their usability.

To solve the problem that construction work is complicated when a newly installed solar water heater is used in combination with an existing auxiliary heat source or when a newly installed auxiliary heat source is used in combination with an existing solar water heater.SOLUTION: A control valve 1 for a solar water heater includes an inlet pipe connection port 14 connected to a solar water heater 30, an on-off valve 11 communicating with the inlet pipe connection port 14, a water amount sensor 12 for measuring the amount of hot water supplied from the inlet pipe connection port 14, a temperature sensor 13 for measuring the temperature of the hot water supplied from the inlet pipe connection port 14, and an outlet pipe connection port 15 capable of flowing into a pipe communicating with a bathtub after passing through the on-off valve 11, the water amount sensor 12, and the temperature sensor 13. A control part 16 is provided for receiving input from the water quantity sensor 12 and the temperature sensor 13, and controlling the opening-closing valve 11 by interlocking with a predetermined function of the auxiliary heat source 5.SELECTED DRAWING: Figure 1

The utility model discloses a detachable outdoor heating device which comprises a table frame, a cover body sleeved outside the table frame and a heating furnace arranged on the lower side of the table frame, the table frame comprises four stand columns and four connecting rods arranged among the stand columns in a one-to-one correspondence mode, and the height of each stand column can be adjusted in a telescopic mode. The upper end of each stand column is detachably connected with one ends of the two adjacent connecting rods. The portable solar water heater is detachable, convenient to carry and applicable to different outdoor environments.

The utility model discloses a solar water heater with scale removing and preventing functions, which belongs to the technical field of solar water heaters, and comprises a base, one end of the base is fixedly connected with a support frame, the top end of the support frame is provided with a water storage tank, the bottom end of the water storage tank is provided with a drain outlet, and the drain outlet is communicated with the water storage tank. A solar pipe is arranged on the lower surface of the water storage tank, a cleaning assembly is arranged in an inner cavity of the water storage tank, a descaling box is arranged at the other end of the base, a connecting port is formed in one end of the descaling box, a water supply assembly is arranged at the other end of the descaling box, and the other end of the water supply assembly communicates with the inner cavity of the water storage tank. And a filter cotton block is arranged in an inner cavity of the filter bin, so that the solar water heater is prevented from being corroded by scale, the service life of the solar water heater is prolonged, convenience is provided for cleaning the scale of the solar water heater, and the time for cleaning the scale is shortened.

1. Name of the product in this design: Graphical User Interface for a Solar-Hydropower Cogeneration System for Electronic Devices. 2. Purpose of this design: An electronic device. 3. The key design feature of this product is its graphical user interface. 4. The image or photograph that best illustrates the design's key features: the front view. 5. Purpose of the graphical user interface: It is used for real-time data control and display in solar-hydropower cogeneration systems; the main view is the first interface accessed upon system login; the interface with changing status is accessed by clicking the "Battery Status" option in the main view.

The utility model discloses an intelligent sun-shading device of a vacuum tube solar water heater, which comprises a support and a water heater body arranged on the support, and a sun-shading mechanism and a control mechanism used for controlling the sun-shading area are arranged on the support. The sunshade mechanism comprises a sunshade curtain extending from the bottom to the top of the water heater body and guide grooves formed in the two sides of the water heater body, the length of the guide grooves is larger than or equal to that of the water heater body, the two corners of the bottom edge of the sunshade curtain are fixed to the bottom ends of the guide grooves, and the two corners of the top edge of the sunshade curtain are connected with piston rods of driving cylinders arranged in the guide grooves. A sliding block matched with the guide groove is arranged at the top end of the piston rod of the driving cylinder; the control mechanism comprises a controller and a temperature sensor used for detecting the temperature of the water heater body, and the temperature sensor and the driving cylinder are both in control connection with the controller. The device is simple in structure and convenient to use, the sunshade area can be adjusted according to the water temperature condition, and the device is high in use flexibility.

The invention discloses a high-temperature idle sunning prevention device of a solar water heater and a control method of the high-temperature idle sunning prevention device. The high-temperature idle sunning prevention device comprises an inner container and an air supply mechanism. The inner container is provided with an air inlet which is communicated with the air supply mechanism and used for supplying air into the inner container; the air supply path of the air supply mechanism in the inner container is limited to extend in the length direction of the inner container. According to the high-temperature idle sunning prevention device of the solar water heater, the air supply mechanism is installed on the solar water heater, starting and stopping of the air supply mechanism are controlled according to the obtained air temperature in the inner container, the idle sunning temperature of the solar water heater can be effectively reduced, and therefore the service life of the whole machine is prolonged, and the risk that people are hurt by high temperature is reduced.