203results about How to "To achieve the purpose of heating" patented technology

The invention provides a circulating refrigerating method. As a refrigerant is expanded, the flow speed of the refrigerant is increased, kinetic energy is increased, pressure and temperature are reduced, the refrigerant absorbs heat of a cold medium in an evaporator to be evaporated, the cold medium releases the heat to reduce the temperature to achieve refrigerating, the refrigerant absorbing the heat is expanded, the flow speed is increased, the refrigerant enters a diffusion pipe to be compressed, the flow speed is reduced, the pressure and the temperature rise, refrigerant steam enters a condenser to be condensed into liquid, the refrigerant releases the heat to be condensed into the refrigerant liquid to enter a liquid pump so that refrigerating circulation can be formed, the evaporation degree of the refrigerant entering the diffusion pipe is not limited, water can be used as the refrigerant, the problems that the refrigerant like Freon destroys the atmospheric ozone layer, and equipment is corroded by a chemical absorption agent used in a liquid-steam absorption system in the refrigerating process are solved, the refrigerant absorbs the heat of the low-temperature cold medium in the evaporator, and releases the heat in the condenser through diffusion and temperature rising, the cooling medium obtains the heat, and the temperature rises to supply the heat. The invention provides a refrigerating circulating system.

The invention discloses a disinfecting device with a drying function for a medical instrument. The disinfecting device comprises a third water pump, a motor, heating resistance wires, exhaust fans, adisinfecting cabinet and a top plate. A disinfectant solution in a solution storage tank is enabled to enter a water storage box through a solution guiding pipe by utilizing the third water pump and then is further sprayed through spray nozzles so as to disinfect the medical instrument on the top part of a placement plate, and the placement plate is driven to rotate by utilizing rotation of the motor, so that the purpose of comprehensively disinfecting the medical instrument is realized, the disinfecting efficiency and a disinfecting effect of the medical instrument are increased, and the environment friendliness of equipment is increased; the heating resistance wires are utilized for heating air in a heating tank, and the exhaust fans are utilized for enabling the heated air in the heating tank to be further blown out through air outlets of an air outlet box after entering the air outlet box through an air guiding pipe, so that the purpose of heating the air in the disinfecting cabinet is realized, and the purpose of drying the disinfected and washed medical instrument is further realized.

The invention relates to a vehicle thermal management system, a control method thereof and a vehicle. The vehicle heat management system comprises a battery and electric drive heat management system and an engine and warm air core body heat management system. The battery and electric drive heat management system exchanges heat with the air conditioning system and the engine and warm air core bodyheat management system through the first heat exchanger and the second heat exchanger respectively; the engine and warm air core body heat management system comprises an engine, a second heat exchanger, a first radiator and a warm air core body used for heating a passenger compartment and has a first communication mode, a second communication mode, a third communication mode and a fourth communication mode, and in the first communication mode, the engine, the second heat exchanger, the warm air core body and the first radiator are connected in series to form a loop; in the second communicationmode, the engine, the second heat exchanger and the first radiator are connected in series to form a loop; in the third communication mode, the engine, the warm air core body and the first radiator are connected in series to form a loop; and in the fourth communication mode, the engine and the first radiator are connected in series to form a loop.

The embodiment of the invention discloses a heat supply system of an electric automobile. The heat supply system comprises a water storage device, water pump, a battery box, a warm air blower, a water delivery pipeline, a first valve, a second valve, a heater and a whole automobile controller. The water storage device is used for storing water. The water pump is used for pumping water from the water storage device, and the heater is used for heating the water pumped out through the water pump. The warm air blower is used for producing hot air for a compartment to perform heating, and the first valve is used for controlling water flows to flow towards the warm air blower. The second valve is used for controlling water flows to flow towards the battery box. The battery box is used for batteries to be arranged. The whole automobile controller is used for controlling turning-on or turning-off of the first valve and / or the second valve. The embodiment of the invention further discloses the electric automobile and a parking and heating method. The purposes of compartment heating and improvement of storage battery temperature are achieved.

The invention discloses a 20 DEG C-gasification vacuum superconductive radiator which comprises radiating fins, wherein the interiors of the radiating fins are communicated to form a completely closed vacuum cavity; the bottom of the cavity is penetrated with a heating pipe; and the cavity is filled with partial superconductive liquid gasified at 20 DEG C. Hot water is led into the heating pipe, then the superconductive liquid absorbs heat to gasify and rises to the upper parts of the radiating fins to condense, and a large quantity of phase change heat is released and diffused to surroundings so as to achieve the purpose of heating; and the condensed superconductive liquid flows back to the lower parts along the inner wall of the cavity and continues to be heated to form a heat-transfer cycle. The device adopts the low-boiling-point 20 DEG C-gasification superconductive liquid, and gasification can be realized at 20 DEG C. The heat transfer starting speed is high, and the vacuum superconductive radiator is particularly suitable for an independent heating system taking a family as a unit. The system needs less cycling hot water, thus water resources are saved, meanwhile, the utilization rate of heat energy is improved, and the purpose of saving energy is also achieved. Scale depositions are not generated in the process of use, and the heat transfer efficiency cannot be reduced after long-term use; and the structure is firm, the tightness is good, thus the service life is effectively prolonged.

The invention relates to a heating system and a heating method for a fuel cell vehicle. The system comprises a fuel cell, a water pump, a heating air core and a radiator. The fuel cell, the water pumpand the heating air core are sequentially connected to form a loop, and two ends of the radiator are respectively connected to two ends of the heating air core. The method comprises the following steps of: heating the liquid in the water pump by the heat radiated by the fuel cell when the fuel cell is in operation; the liquid in the water pump enters the heating air core after being heated up toheat the cabin of the fuel cell vehicle; after heating the cabin, the liquid in the water pump dissipates the excess heat through the radiator; the liquid in the pump is returned to the water pump viathe fuel cell. Compared with the prior art, the invention has the advantages of simple realization, high energy utilization efficiency, cost saving and the like.

The hot finned plate heat exchanger as one new type of heat exchanger is one important mechanism for recovering exhausted wind energy of large air conditioning system, recovering afterheat of high temperature fume and dissipating heat of computer CPU. Its structure includes vacuum liquid-filled end plates and core body, the vacuum liquid-filled end plates are set on two sides of the vacuum liquid-filled passage, and the core body sonsists of the vacuum liquid-filled passage and several finned plate passages. Each of the vacuum liquid-filled passages and the finned plate passages has upper andlower partition boards, side sealing tapes and internal fins. Each of the finned plate passages is separated by one sealing tapes into two parallel hot medium passage and one cold medium passage. After being assembled, the heat exchanger is arranged obliquely or vertically.

The invention provides a small-size refrigerating and heating device for an automobile and relates to a refrigerating and heating device. The small-size refrigerating and heating device for the automobile comprises a refrigerating box, a heating box, a semiconductor refrigerating chip, a heat exchanger, temperature sensors, a microprocessor, a PID controller, and an adjustable power supply module. The refrigerating box and the heating box are connected with each other. The semiconductor refrigerating chip is arranged between the refrigerating box and the heating box. The heat exchanger is connected between an air supply opening and a return air opening of the heating box. The heat exchanger is respectively connected with the two ends of an automobile engine water heating system. The temperature sensors are arranged in the refrigerating box and the heating box respectively and connected with the input end of the microprocessor. The output end of the microprocessor is connected with the input end of the PID controller. The output end of the PID controller is connected with the adjustable power supply module. The output end of the adjustable power supply module is connected with the semiconductor refrigerating chip. Heat generated by an engine mainly serves as a heat source of the heating box. The refrigerating box achieves refrigeration through the semiconductor refrigerating chip. The refrigerating efficiency of the refrigerating box is improved through the microprocessor and the PID controller. Therefore, the energy utilization rate is high.

The invention discloses a method for heating by using waste heat of a gas stove and the gas stove with a heating function. When the gas stove is used for cooking, flames emit heat to the periphery when heating a pot body, a heat absorption device is arranged on a cooking bench of the gas stove, can absorb the heat emitted by the flames, and can transmit the heat to a cooler through heat conduction media so as to heat heat storage media in the cooler, the heat storage media slowly release out the heat, heat exchange is carried out on the heat and indoor air, and the indoor temperature is improved. According to the method for heating by using the waste heat of the gas stove and the gas stove with the heating function, the waste heat released by the flames of the gas stove in the cooking process can be effectively collected, and is stored and released out through the energy storage media, the heating function is achieved, and the method and the gas stove have the advantages of being environmentally friendly and simple in structure.

The invention discloses an automatic feeding device for rubber machinery. The automatic feeding device comprises a supporting plate, wherein the right end of the top of the supporting plate is fixedlyconnected with a filter box, and an inner cavity of the filter box is fixedly connected with a quartz sand filter screen and a glass fiber filter screen layer in sequence from top to bottom. The automatic feeding device is provided with a first motor, a first transmission shaft and crushing teeth, so that the purpose of crushing materials can be achieved; a heating plate is arranged, so that thepurpose of heating the materials in a crushing box can be achieved; a pipeline and a fan are arranged, so that the materials in a conveying box can be dried; the filter box, the quartz sand filter screen and the glass fiber filter screen layer are arranged, so that hot air can be filtered; and two second electric telescopic rods and supporting rods which are symmetrical front and back are arranged, so that people can pour the materials in the crushing box completely, material residues are avoided, meanwhile, the conveying work of the conveying box is facilitated, and the conveying box can uniformly and orderly deliver the materials into a material mixing machine.

The invention is a solar energy heating device, including underground heat storage device filled with variable-phase substance, compressor, expansion valve, condenser and fan matching with the condenser, and also solar energy heat collector, where the heat storage device, expansion valve, solar energy heat collector and compressor are connected in turn through the first circulating pipeline, the heat storage device, compressor, condenser and expansion valve are connected in turn through the second circulating pipeline, and there are several valves installed on the two circulating pipelines. The invention makes full use of solar energy and terrestrial heat to store the heat as storing heat; as releasing heat, uses the heat storage device and the terrestrial heat to release the heat so as to provide the needed heat. It is especially suitable for the place with enough sunlight and large day-night temperature difference, and uses the variable phase principle to make high efficiency absorption on the solar energy and simultaneously uses the variable phase principle to largely absorb soil heat and finally achieves no-pollution low-consumption heating.

The invention discloses a valve with an anti-freezing function, and relates to the technical field of valve devices. The valve aims to improve the effect of automatic heating control. The valve specifically comprises a valve body installed on a conveying pipe, wherein an electric heating wire assembly is installed on the outer wall of the valve body in an embedded mode, the electric heating wire assembly comprises a first electric heating wire installed on the surface of the valve body and a second electric heating wire installed at the rotating position of a valve rod in the valve body, a control mechanism for controlling the first electric heating wire and the second electric heating wire to work is installed on the conveying pipe, and two limiting rings are integrally arranged on the circumferential outer wall of the conveying pipe. According to the valve, an air bag, a conductive strip, a conductive sheet and other structures are arranged, the capacity of thermal expansion and coldcontraction of the air bag can be utilized, so that the first electric heating wire and the second electric heating wire work to heat the valve body, moreover, due to the fact that the expansion andcontraction process of the air bag is relatively slow, the phenomenon that the conductive strip and the conductive sheet are repeatedly contacted and separated is avoided, and the working stability ofthe first electric heating wire and the second electric heating wire is guaranteed.

The geothermal air conditioner system capable of providing hot water includes heat collector, heat collector liquid outlet pump, heating loop comprising evaporator, condensator and expansion valve, heat exchange loop as energy raiser, and air conditioner, as well as hot water container connected via pipeline to the heat exchanger. It can provide hot water while conditioning air.

The invention provides a photoelectric superconducting heating system. The photoelectric superconducting heating system comprises a solar photovoltaic panel, a superconducting heating radiator and an electric heating pipe, wherein the electric heating pipe is arranged in a lower transverse pipe of the superconducting heating radiator, a first carbon electric heating wire and a second carbon fiber electric heating wire / a resistor wire are arranged in a pipe shell of the electric heating pipe, the solar photovoltaic panel supplies electric energy to the first carbon fiber electric heating wire, and a mains supply supplies electric energy to the second carbon fiber electric heating wire through a controller. Superconducting liquid is directly heated through the low voltage emitted by the solar photovoltaic panel, and therefore the superconducting liquid in an inner cavity of the superconducting heating radiator is rapidly heated and gasified in the temperature rising process and is then cooled after releasing a large amount of heat energy in cycle, and the requirement for indoor heating is rapidly met within the shortest time.

The invention discloses a heat exchanger subassembly intended for indoor unit of the air conditioner. The indoor unit has an air duct, and the heat exchanger subassembly is fitted in the air duct and comprises the first heat exchanger, the secondary heat exchanger and an electronic expansion valve. The secondary heat exchanger is located at the upper hand of at least part of the first heat exchanger. The first electronic expansion valve is connected to the refrigerant flow path of the first heat exchanger and the refrigerant flow path of the secondary heat exchanger in series. The present invention also discloses indoor unit and air conditioner. In the above-mentioned heat exchanger, when the air conditioner is required to implement heating and dehumidifying simultaneously, the refrigerant flow path of the air conditioner is adjusted such that the refrigerant absorbs the heat from the air when the indoor air passes through the second heat exchanger, the water vapor in the air is condensed into the liquid state and is separated from the air so as to achieve the purpose of dehumidifying, the dehumidified air absorbs the heat released by the refrigerant when it passes through the first heat exchanger, and the air temperature rises to fulfill the heating purpose; therefore, the air conditioner can implement heating and dehumidifying simultaneously.

The invention discloses an automatic feed device with a pre-processing function for forage production. The automatic feed device with the pre-processing function comprises a fixing sleeve, a first motor, a cylinder, a second motor and a base plate. Through the fixing sleeve, a user can conveniently rotate a screw rod to drive the base to move downwards and be contact with the ground to fix the base to the ground and achieve the aim of fixing the position of equipment, avoid moving of the equipment, and improve practicability of the equipment. Through the first motor, spiral conveying blades ata conveying rotating shaft are driven to rotate, and therefore materials are lifted to be discharged from a discharging pipe. In this way, automatic feeding is achieved, manual feeding is not required, and feeding efficiency is improved. A piston rod is driven by a cylinder to stretch out and retract back, and therefore the aim of adjusting the inclination angle of a first cylinder body is achieved, and requirements to the inclination angles of the first cylinder body under different circumstances are met.

The invention discloses a graphene sleeping bag. The graphene sleeping bag comprises a sleeping bag body, wherein the sleeping bag body comprises an inner cloth layer, a graphene heating layer and anouter layer; the graphene heating layer is prepared by blending and weaving modified graphene fibers, bamboo charcoal fibers and mosquito-expelling cotton fibers. A preparation method of the modifiedgraphene fiber comprises the following steps of preparing a graphene film at the surface of a metal substrate by a chemical vapor deposition method, cleaning the graphene film by plasma, and graftingthe graphene film with hydroxyl groups, so as to obtain the modified graphene film; mechanically stripping to remove the metal substrate, and twisting the modified graphene film by a gathering and twisting device, so as to obtain the modified graphene fiber. A preparation method of the mosquito-expelling cotton fiber comprises the following steps of soaking cotton fibers into a mosquito-expellingliquid for 24 to 48h, dewatering, cleaning, and drying, so as to obtain the mosquito-expelling cotton fiber. The graphene sleeping bag has the advantages that the warming effect is good, the moistureabsorbing and air ventilating functions are realized, and the risk of heavy humidity in a human body due to high environment humidity is greatly reduced; the physical therapy effect is realized, the mosquitoes can be expelled, the sleeping is promoted, and the comfortability is good.

A microwave cooking pot is formed by a coil base, a controller, a microwave generator, a waveguide tube, a heating chamber and the cooking pot. Water in the cooking pot can enter into the heating chamber through a shielding net which is covered on the heating chamber to be heated by microwaves and the microwaves cannot enter into the cooking pot through the shielding net, so that the microwaves cause no harm to users. The water heated by the microwaves rises and other part of lower temperature water in the cooking pot is added to the hearting chamber due to hot ascending and cold descending and cycling is performed until water is heated to achieve the purpose of heating food.

The invention discloses a refrigerating system. The refrigerating system comprises a refrigeration compressor, a four-way reversing valve, an indoor heat exchanger, an outdoor heat exchanger, a dry filter, a throttle mechanism, a solenoid valve on a connecting pipeline between the indoor heat exchanger and the outdoor heat exchanger, an indoor unit fan and an outdoor unit fan, and the indoor heat exchanger and the outdoor heat exchanger are used for heat exchanging of a refrigerant and an environmental medium. The throttle mechanism is closely connected with the solenoid valve, and the positions of the throttle mechanism and the solenoid valve are interchangeable. By reasonable control on running sequence and running time interval of the compressor, the solenoid valve and the two fans, smooth starting and running of the compressor is guaranteed, harm brought by flammable refrigerant accumulation due to the fact that the flammable refrigerant leaks in the period of stop is prevented, refrigerant-side volumes of an outdoor unit and an indoor unit can be effectively separated by the aid of the solenoid valve and the compressor, respective refrigerant amounts of the outdoor unit and the indoor unit are reduced greatly, burning danger possibly caused by refrigerant charge is lowered, and safety of the refrigerating system is improved. The refrigerating system can adopt the flammable refrigerant, and has the advantages of safety and environmental protection.

A liquid volatilization refrigeration air conditioner is formed by combining liquid (4), a container (1) and a device (5) for pumping and exhausting gas out of the container. The container is filled with the liquid, the device (5) capable of pumping and exhausting gas out of the container is arranged on the opening (2) of the container and capable of continuously pumping and exhausting gas outwards, low pressure or vacuum is generated in the container to force the liquid in the container to quickly volatilize or to be at an ultra-low boiling point, and then the purposes of refrigeration and cooling are achieved. The liquid volatilization refrigeration air conditioner can conduct refrigeration and heating due to the same structure and the same principle with an ordinary air conditioner, and can simplify the structure and greatly lower cost. The liquid volatilization refrigeration air conditioner can be used for summer heat relieving and refrigeration in summer and can be also used for various purposes of temperature adjusting or cooling required in the industry.

The invention discloses a fumigation disinfection machine. The fumigation disinfection machine comprises a sterilization cabin, wherein a mounting rack is arranged on the side wall of the sterilization cabin, a vacuum device, a heating device, a humidification device, a disinfectant supply device, a gasification device, a gasification circulating device and a residual gas treatment device are mounted on the mounting rack, the vacuum device is communicated with a pipeline of the gasification circulating device and the residual gas treatment device, the gasification circulating device, the gasification device and the sterilization cabin are sequentially communicated to form a circulating loop, and the disinfectant supply device is communicated with the gasification device. The disinfectant supply device is used for conveying a disinfectant quantitatively, the gasification circulating device, the gasification device and the sterilization cabin are communicated to form the circulating loop, secondary heating is performed on the inside of the sterilization cabin, humidity adjustment is performed, so that the sterilization effect on cultural relics is better, no damage can be caused to the cultural relics in the sterilization process, the safety of the cultural relic sterilization and disinfection process is guaranteed, disinfected gas is recovered, and harm to the environment and workers is prevented.

The invention relates to an efficient plate-type low temperature heating radiator and a special assembly thereof. The efficient plate-type low temperature heating radiator comprises more than one sets of plate-type thin channel array enhancement heat transfer plates and more than one heat transfer fins; the plate-type thin channel array enhancement heat transfer plates are formed by extrusion forming of metal materials, and two or more thin channels arranged in parallel are formed in each plate-type thin channel array enhancement heat transfer plate to form a thin channel array plate-type structure; and one or more layers of heat transfer fins are stacked and compounded on the plate face of each plate-type thin channel array enhancement heat transfer plate, each heat transfer fin is provided with a plurality of air natural convection channels arranged in parallel, the periphery of each air natural convection channel is closed or opened, and the air natural convection channels are sequentially arranged in the plate length direction or the vertical direction of the plate-type thin channel array enhancement heat transfer plates. According to the efficient plate-type low temperature heating radiator and the special assembly, enhancement heat transfer is achieved through the plate-type thin channel array enhancement heat transfer plates, the large-area heat transfer fins are compounded on the plate faces of the plate-type thin channel array enhancement heat transfer plates, and therefore heating can be achieved at a low water supply temperature, and efficient energy saving and low cost of a heating system can be achieved.

The invention discloses a kind of couple medium water-electricity double-duty radiator, including a water container (1), an infall (2) and a yielding water mouth (3) on the water container (1), a radiation fin (4) connected with the water container (1), a superconducting medium heating chamber (5) and an electrical heating unit (6) in the superconducting medium heating chamber (5) and at the bottom of it. In the period of winter water heating, heat the superconducting medium through the electrical heating unit at the same time. The superconducting medium on the one hand eliminates heat through the radiation fin, on the other hand heats the hot water again. The superconducting medium possesses the advantages of low starting temperature, quick heat conduction and high thermal efficiency. So the structure not only increases the radiation effect of the radiator, but also saves a lot of fuel, decreases environmental pollution and meets the requirement of advocating using electricity nowadays. Especially when it is cold in the non-heating period, heat the superconducting medium with the electrical heating unit to obtain the purpose of heating. It is used conveniently and saves the family the incidental expenses of buying other electrical heater. It also saves the space of storing the idle electrical heater.

The invention discloses a heating and pressurizing device for blood transfusion in a hematology department. The device structurally comprises supporting legs, an outer shell, a heat dissipation grid,a door groove, a lifting handle, a body device, a handle, a movable door, a control panel, a display screen, operating buttons, indicator lights and blood transfusion tube connection ports. The body device is arranged in the outer shell and comprises a hook, an arc fixing block, a blood transfusion bag, a blood transfusion bag connection tube, a blood circulation tube, a temperature sensor, a heating mechanism, a power mechanism and a pressurizing mechanism. The heating and pressurizing device for blood transfusion in the hematology department has advantages that by mounting of the heating mechanism, the power mechanism and the pressurizing mechanism in the body device, heating and pressurizing of the blood transfusion bag can be realized, compact structure, high integrity and easiness inreplacement of the blood transfusion bag are realized, and convenience in use is provided for medical personnel.

The invention discloses a stove and a saucepan for a microwave saucepan. The microwave saucepan consists of a stove, a controller, a microwave generator, a waveguide tube, a heating chamber and a saucepan, wherein water in the saucepan can enter the heating chamber through a shielding mesh covering the heating chamber and is heated by microwaves which, however, cannot enter the saucepan through the shielding mesh and therefore do not harm a user; due to rising caused by heat and falling caused by cold, water heated by the microwaves rises and water at a relatively low temperature at the other part in the saucepan is supplemented into the heating chamber, so that through such circulation, the aim of heating food is achieved by heating water.

The invention discloses a passive cold and hot double-effect material which can achieve the dual purposes of refrigeration and heat collection. The passive cold and hot double-effect material comprises a selective emission layer and a reflecting layer which are connected with each other; the selective emission layer achieves the dual purposes of refrigeration and heat collection through reversible change of colors; and the reflecting layer is used for reflecting incident solar radiation.

The invention relates to a safe and energy-saving electrothermal underfloor heating system, which belongs to the technical field of heating. The safe and energy-saving electrothermal underfloor heating system comprises an electrothermal element and a temperature control device, wherein a pressure-variable device is arranged between the electrothermal element and the temperature control device; a plurality of electrodes of the electrothermal element are connected in parallel on an externally-connected lead; the externally-connected lead is connected with the pressure-variable device; the pressure-variable device is subsequently connected with the temperature control device; the temperature control device is connected with a plug through a lead; the electrothermal element is fixed on a heat insulation layer in fixed modes such as embedding, adhering, buckling and the like; and a surface decoration layer is coated on the heat insulation layer.

The invention provides a talcum powder coating device for a cable. According to the device, by arranging a sealing cover for sealing a first feeding inlet and a second feeding inlet, talcum powder ina powder box is prevented from leaking out through the first feeding inlet and the second feeding inlet, the practicability of the device is improved, by arranging a receiving trough for receiving talcum powder overflowing from a cable outlet along with the cable, the situation that talcum powder falls around and pollutes the environment is avoided, and the environment protection property of the device is improved; and when the cable needs to be coated with talcum powder, the cable is extended into the powder box through a cable inlet and further extended out through the cable outlet, thus, the purpose of coating the cable with talcum powder is achieved, operation is simple, through rotation of a motor, a driving gear is driven to rotate, then a first driven gear and a second driven gear are driven to rotate, first stirring blades on a first stirring rotary shaft and second stirring blades on a second stirring rotary shaft are further driven to rotate so as to stir talcum powder in thepowder box, and the cable coating effect is ensured.

The invention discloses a medium-high temperature phase change heat storage solar hot air heater, which comprises a heat preservation box body, a heat storage body and a groove type solar heat collector. The heat preservation box body includes: an air mixing box located on the upper portion of the heat preservation, a normal-temperature air supply unit and an air outlet which are formed in the twosides of the air mixing box respectively and communicated with the air mixing box, a cavity which is formed below the air mixing box and communicated with the air mixing box, and a hot air supply unit which is located below the cavity and communicated with the cavity and the exterior of the heat preservation box body. By means of the device, cold and hot air flowing out of double air ducts of thehot air duct and the normal-temperature air duct can be uniformly mixed in the air mixing box, and the controller adjusts the rotating speeds of the two fans according to the temperature sensors, sothat the air volume of the cold and hot air is adjusted, and the purpose of stabilizing the outlet temperature is achieved. The air outlet temperature is adjusted by adjusting the rotating speeds of the two fans, so that the air outlet temperature reaches a set value; due to the high heat collection efficiency of the trough type solar heat collector, the phase change material obtains high-grade heat energy, so that the heating requirement at night is met, the structure is simple, the operation time is long, and use is convenient.

The invention relates to a regenerative sodium rhodanate-ammonia absorption heat pump system, belonging to the air-conditioning technical field, wherein, an outer pipe of a multi-inner-pipe double-pipe heat exchanger is connected with a circulating water inlet and a circulating water outlet; one ends of three inner pipes are respectively connected with an ammonia steam outlet of a generator, a thin rhodanate-ammonia solution outlet and a heat exchange coil pipe inlet in an absorber, and the corresponding other ends of the three inner pipes are respectively connected with a primary throttle, a nozzle in the absorber and a thick rhodanate-ammonia solution outlet at the bottom of the absorber; the other end of the primary throttle is connected with an inlet of an evaporator through an outer pipe of a single-inner-pipe double-pipe heat exchanger and a secondary throttle in turn; and an outlet of the evaporator is connected with an ammonia gas inlet of the absorber through an inner pipe of the single-inner-pipe double-pipe heat exchanger. The regenerative sodium rhodanate-ammonia absorption heat pump system uses rhodanate-ammonia as refrigeration working substances to prepare the temperature below zero and simultaneously removes a rectification device for an ammonia water system; moreover, the requirements of a driving system can be met and high refrigeration efficiency can be reached with low heat source temperature.