146 results about "Solar air heater" patented technology

This invention provides novel devices and methods for the heating of air with solar radiant energy. The devices of the present invention feature a housing partitioned into essentially isolated sections wherein the sections are in fluid communication with each other through a plurality of channels located within the partitions. The two unique features of the invention, essentially isolated sections and partitions comprising a plurality of channels, increase the temperature achieved by the solar heater by 1) creating multiple, sequential sections that function independently of each other providing a higher starting temperature in each section and, therefore, a higher final temperature, 2) providing second means of heating the air within the channels located within the partitions and, 3) by virtually eliminating the mixing of incoming cold air with the heated air of the solar air heater.

The invention relates to a solar air heater comprising—at least one transparent or translucent front panel comprising at least one first flow passage, said first flow passage substantially elongated and extending along the surface of the front panel,—a back panel preferably substantially parallel with the front panel,—at least one heat absorbing element, preferably located between the front panel and the back panel,—at least one air inlet,—at least one air outlet,—at least a second flow passage between the front panel and the heat absorption element, and—at least a third flow passage between the heat absorption element and the back panel, whereby air flowing through the solar air heater from an air inlet to an air outlet will pass at least a first, a second and a third flow passage. In a further embodiment of the invention the solar air heater comprises means for driving and/or inverting the airflow through said solar air heater, whereby heating and/or ventilation of a room and/or a building connected to said solar air heater can be provided.

The invention discloses a self-cleaning solar water heater comprising a water heater body. The water heater body comprises a water storage tank, a machine frame and a heat collection pipe. The inner wall and the outer wall of the bottom side of the water storage tank are provided with a metal piece and a power generation piece correspondingly, a silica gel layer is arranged on the side wall of thewater storage tank and located between the metal piece and the power generation piece, the side wall on one side of the machine frame is provided with a high-frequency pulse power source, positive and negative binding posts of the high-frequency pulse power source are electrically connected with positive and negative poles of the power generation piece correspondingly, the side wall on one side of the machine frame is provided with multiple T-shaped sliding grooves, the side walls of the lower sides of the multiple T-shaped sliding grooves are connected with T-shaped sliding blocks matched with the T-shaped sliding grooves through conductive springs, the side wall of the outer side of the heat collection pipe is sleeved with cleaning pipes in a sliding mode, and one sides of the cleaningpipes are connected with the side walls of the T-shaped sliding blocks through connection rods. By means of the self-cleaning solar water heater, the heat collection pipe can be automatically and effectively cleaned, and normal work of the solar water heater is ensured.

The invention discloses an energy-saving device for extracting water from air. The device comprises a dehumidified rotating wheel (10) and a steam compression refrigerating system (20), wherein the air inlet of an evaporator (21) of the steam compression refrigerating system (20) is communicated with a regenerated air outlet of the dehumidified rotating wheel (10); the device further comprises a solar air heater (50), wherein the air outlet of the solar air heater (50) is communicated with the regenerated air outlet of the dehumidified rotating wheel (10). The device for extracting water from air provided by the invention is small in energy consumption and high in energy efficiency ratio.

This invention decreases the energy consumption of electric or gas combustion clothes dryer appliances by providing solar energy input to the dryer from a roof or exterior wall mounted solar air heater. Required modifications to conventional dryers consist of eliminating the input of laundry room air and providing a new solar heated air supply. As applied to electrically heated clothes dryers, the invention has a potential to reduce the peak electrical utility loads during the summer months since the optimum time to operate the dryer system coincides with the peak load time of the local utility.

The invention discloses a cleaning device for vacuum collector tubes of a solar water heater. The cleaning device comprises a base. A supporting table is welded to the left side of the upper end of the base. A fixing frame is welded to the upper end of the supporting table. Storage grooves are formed in the upper end of the fixing frame. Fixing rings are inlaid in the tail ends of the storage grooves. Reinforcing ribs are welded to the inner sides of through holes in the middles of the fixing rings. Sliding grooves are formed in the upper ends of the base and connected with sliding blocks at the bottom end of a fixing base. The cleaning device is simple and convenient to use; through corresponding metal pipes, a water tank, a motor, the fixing frame and the like, the collector tubes can beeffectively fixed correspondingly; scale on the inner walls of multiple collector tubes can be effectively removed at one time through the cooperation of the metal pipes, liquid containing an anti-scaling agent, and a bristle set, so that the labor intensity of workers is greatly reduced; and the cleaning device is compact and reasonable in structural design, has high practicability and is suitable for popularization.

A proposed thermally driven solar power generating system includes a solar air heater receiving an airflow, a gas turbine driving a generator and at least one exhaust compressor, a humidifying air recuperator communicating with the heater. The recuperator includes a water pipeline, product channels, dry working channels, wet working channels connected with the dry channels, having pair-wise heat transfer relations. The airflow passes via the dry and wet channels, a portion thereof moves and expands through the turbine converting into a product stream, drawn into the product channels, cooled and condensed there. Condensate water moves from the product channels and pipeline into the wet channels. The product stream is sucked by the compressor and converted into a product air stream discharged therefrom. In embodiments, it incorporates an air cooler, auxiliary burner chamber, heat accumulator, solar desorber, additional cooler or M-Cooler, heat exchangers communicating with a number of the exhaust compressors.

The invention relates to a double heat absorption combined solar energy air heater which is characterized in that a double heat absorption combined solar energy air heater group is formed by distributing and arranging a plurality of sets of double heat absorption combined solar energy air heaters, wherein, each set of double heat absorption combined solar energy air heaters is formed by connecting the above double heat absorption combined solar energy air heaters with the same size in series; each double heat absorption combined solar energy air heater is composed of a housing, a transparent plate, a heating plate, a hot air pipe, an insulating layer plate and a vacuum heating pipe. The invention has reasonable design and compact structure, increases illumination surface to improve heat ability and efficiency and adds an energy storing bed which can store heat and store cold; in addition, the air heater has an internal heat circulation function to increase the temperature of heated air, so that the air heater is suitable for supplying heat in heating time in winter and supplying cold in summer, saves space, is convenient to maintain and use, etc.

The invention relates to a hot water release control device for a solar water heater. The hot water release control device comprises a big cylinder and small cylinder combination body (1), a piston (2) is arranged in a big cylinder, an inner cavity of the big cylinder and small cylinder combination body (1) is divided into a water cavity and an air cavity, the sealed head of the big cylinder is provided with a connecting water pipe (3), a solar water heater water tank (4) is connected to the position, in front of a user faucet (5) and close to the faucet (5), of a main water inlet and outlet pipe through the connecting water pipe (3), a compression spring (6) is arranged in the air cavity and installed on a pressure regulation base (7), the outside of the air cavity is further connected with a vacuum pump (9) and an emptying valve (10), and the vacuum degree of the vacuum pump (9) is automatically controlled. According to the hot water release control device, cold water in the main water inlet and outlet pipe can be collected in the water cavity and then returned back to the solar water heater water tank through the compression spring, and therefore water is saved; the hot water release control device not only saves energy but also is simple in structure and convenient to use.

The invention relates to a rainwater water-saving cleaning system for a vacuum tube of a solar water heater, and belongs to the technical field of solar heating. The system comprises a sedimentation tank, a drain tube, a water outlet tube, a ball valve, a booster pump, a filter, a cleaning electromagnetic valve, a tubular cleaning nozzle and a system switch control circuit, wherein the sedimentation tank is arranged at the position lower than the surface of a roof and is connected with a drain opening on the surface of the roof through a water conduit; the water outlet tube arranged on the middle part of the sedimentation tank is connected with the tubular cleaning nozzle which is fixedly sleeved on a vacuum heat collecting tube through the ball valve, the booster pump, the filter and the cleaning electromagnetic valve; a booster motor is controlled by an alternating current contactor coil; and a photoelectric liquid level is connected with the input terminal of a programmable logic controller (PLC). The system has the advantages of cleaning a high-level solar vacuum tube regularly by utilizing rainwater, saving energy and water, improving heat collection efficiency of a solar heat collector and the like.

A solar plane sunward automatic tracking adjusting system is mainly composed of a collecting plane, solar air heaters, air pressure lifters, and high-pressure air pipes, and further comprises a few connecting supports, fixing screws and other attached accessories. The parts of the system have different functions. The collecting plane provides installation positions for solar energy collectors. The solar air heaters utilize solar energy to heat air in air bins. The high-pressure air pipes convey the air. The air pressure lifters convert changes of the size of inside air into expansion and contraction of the distance of ejectors. Metal light absorbing plate faces, perpendicular to the ground, of the solar air heaters are arranged on the lower portion of the edge of the collecting plane. Air inside each solar air heater is communicated with air inside two air pressure lifters opposite to the edge of the collecting plane through the high-pressure air pipes. Thus, when the sun shines in an inclined mode, one solar air heater is in the shadow, but air inside the opposite solar air heater expands after the solar air heater shone by sunlight, and the air inside the two air pressure lifters also expands to jack up the opposite face of the collecting plane a certain height so that a sunward state is formed.

The invention discloses a leak detection method for an electrical heating tube orifice of an inner container of a solar water heater. The method comprises the followings steps that: (1), a sealable tank is covered outside an electrical heating tube orifice on an inner container on which an electrical heater has been installed; (2), vacuum pumping is carried out on the sealable tank so as to enable the sealable tank to be absorbed on the inner container; (3), gas filling is carried out on the inner container; (4), the inner container is rotated and it is determined whether the electrical heating tube orifice is leaked or not according to the state of the sealable tank; if the sealable tank falls from the inner container, it demonstrated that the electrical heating tube orifice is leaked; if the sealable tank does not fall from the inner container, it is demonstrated that the electrical heating tube orifice is not leaked. According to the invention, air pressures at two side of an electrical heating tube orifice on an inner container are changed, so that it can be detected whether the electrical heating tube orifice is leaked and it is necessary to carry out leak detection by using water; therefore, an electrical heater can be installed before detection and the leakage effect is better than that of the leak detection by using water. Besides, it is not needed to sealing the electrical heating tube orifice additionally during the detection; and the detection is simple and the detection efficiency is high.

The invention discloses a wind and solar hybrid air heater which is mainly composed of a wind generator, a solar cell module, an intelligent charging/discharging controller, an energy stored battery, an inverter and an air heater, wherein the wind generator is arranged on a roof, the solar cell module is arranged at a place which can receive sunlight, the intelligent charging/discharging controller is connected with the wind generator, the energy stored battery and the inverter respectively via wires, and the inverter is connected with the air heater via a wire. In the wind and solar air heater, commercial power is not needed, power is supplied completely by wind and solar energy, wherein the wind and solar energy are inexhaustible. The wind and solar air heater can be applicable for any region and has the advantages of along service life, energy saving, environment friendliness, low cost and the like.

The invention discloses a solar water heater. The solar water heater comprises a water storage tank, a heat collecting tube, a convex lens cover plate, a supporting base and a reflector plate, wherein a water inlet tube and a water outlet tube are arranged on the water storage tank; and the water storage tank made of metal is arranged inside a balcony. The heat collecting tube is a metal glass vacuum tube; and a panel is formed by jointing convex lenses, so as to quickly increase heat collecting efficiency. The water outlet tube and the water inlet tube which are respectively arranged above and below the heat collecting tube are connected with the water storage tank. The reflector plate, the heat collecting tube and the convex lens cover plate are fixed on the supporting base in sequence, and then, are arranged on the vertical surface of a building. The supporting base and the vertical surface of the building are provided with fasteners which are set to be hangers or bolts convenient to dismount. The solar water heater has the advantages of simple structure, convenience and quickness in use, and capability of improving the quick utilization rate of the solar energy.

The invention relates to a solar vacuum tube heat collector shading device and a solar water heater. The shading device comprises a vacuum tube collector and a shading mechanism arranged on the vacuumtube collector; the vacuum tube heat collector comprises a heat collector framework and a plurality of heat collecting tubes which are arranged on the heat collector framework side by side; the shading mechanism comprises an arc-shaped shading plate arranged on each heat collecting tube, and shading rotating structures connected with the shading plates; and each shading rotating structure comprises a first rotating wheel and a second rotating wheel which are arranged at the two ends of the heat collecting tubes in a rotating mode correspondingly, and the two ends of the shielding plates are connected to the first rotating wheels and the second rotating wheels. According to the scheme, when the non-heating season or the water heater is idle or the heat collection circulation is abnormal, the use safety of the solar vacuum tube heat collector or the water heater can be guaranteed.

The invention discloses a solar water heater of an efficient light warming energy-storage water tank. The solar water heater is mainly composed of a photo-thermal plate (8), an inner water tank (6), a sealing ring (11), a casing (5), a water tank thermal insulation layer (7), a glass cover plate (10), a rubber plastic upper sealing plate (9) and the like. The photo-thermal plate (8) uses the heat conduction pipe (14) heat transmission and siphon principle to perform photo-thermal conversion self heating on hot water in the water tank, is efficient in energy storage and improves the thermal insulation effect.

The invention discloses a roof type air conditioning system based on solar energy and waste heat recovery. The roof type air conditioning system based on solar energy and waste heat recovery can work under summer working conditions, winter working conditions and transition season working conditions. Under the summer working conditions, fresh air enters an efficient plate type heat exchanger, waste heat of exhaust air is obtained and is then mixed with indoor return air, and then cooling treatment is carried out through a surface type air heat exchanger to enter a room through an air supply pipe and an air supply outlet; and the exhaust air enters the efficient plate type heat exchanger through an air conditioner room air return opening and an air return pipeline, and waste heat is transferred to the fresh air and is then discharged to the atmosphere. Under the winter working conditions, fresh air is preheated for one time through an enhanced solar air heater, and then the fresh air is subjected to secondary preheating by waste heat of exhaust air through the efficient plate type heat exchanger and is then mixed with indoor return air, and finally, heating treatment is carried out through the surface type air heat exchanger and then enters the room through an air supply pipe and an air supply opening. Under the transition season working conditions, the system operates with totally fresh air. Under the summer working conditions, the winter working conditions and the transition season working conditions, the opening and closing of a fresh air opening are converted by an intelligent controller. The roof type air conditioning system based on solar energy and waste heat recovery has the advantages of being energy-saving, environment-friendly, compact in structure, low in noise, high in automation degree and the like.

The invention discloses welding equipment for heat collecting copper pipes of a wall-mounted solar water heater. The welding equipment comprises a bracket; a plurality of universal wheels are arrangedat the lower end of the bracket; a concave pit is formed in the bottom of the bracket; a gearbox is arranged in the middle of the concave pit; a connection rod penetrates through the gearbox; a firstbevel gear is arranged in the middle of the connection rod; the right side of the first bevel gear meshes with a second gear, and the second gear is rotationally connected with the gearbox; and second bevel gears are arranged at the left end and the right end of the connection rod. As most welding equipment can only perform simplex welding currently, a user can use the welding equipment to weld the multiple heat collecting pipes at the same time, and accordingly the capacity of shortening the work time is achieved, and the work efficiency is improved; and through match of a sliding groove andsliding rails, a fixing rack moves rightwards, then a fan is controlled to run, an exhaust pipe delivers cold air to the welding position, and therefore, quick cooling of the welded pipes is achieved.