34results about How to "Meet heating" patented technology

The invention relates to an efficient air source heat pump system, in particular to an air source enhanced vapor injection heat pump system which comprises a first four-way reversing valve, an enhanced vapor injection compressor, a heat regenerator, a first refrigerant air-cooling type heat exchanger, a first electronic expansion valve, a three-way valve, a refrigerant supercooling heat exchanger, a second four-way reversing valve, a second refrigerant air-cooling type heat exchanger, a third four-way reversing valve, a fourth four-way reversing valve, an economizer and a second electronic expansion valve. By means of the air source enhanced vapor injection heat pump system, the technical problems that the compression ratio of an existing heat pump is large, the dual purposes of heating and refrigerating are difficult to achieve at the same time, an evaporator is frosted, and operation efficiency is low are solved. By using the enhanced vapor injection compressor in the system and heating air passing through the outdoor evaporator through the refrigerant supercooling heat exchanger, the defrosting effect is achieved in winter. Moreover, through cooperation of the multiple four-way valves, the energy-saving means of center gas supplementation and inner heat exchange of the compressor can be utilized in winter and summer, and the efficiency and operation safety of the whole heat pump system are effectively improved.

The invention discloses a control method of automobile heat pump air conditioner, which comprises the following steps: 1. After the parameters of the evaporator are normalized, inputting the parametersinto a first BP neural network to obtain the degree of superheat Delta Te of the outlet of the evaporator, the heat exchange quantity Qe of the evaporator and the heat exchange quantity Qair of the air side of the evaporator; At that same time, normalizing and inputting the parameter of the condenser into the second BP neural network to obtain the degree of subcooling Delta Tc of the condenser outlet, the heat exchange quantity Qc of the condenser and the heat exchange quantity Qair, c of the air side of the condenser; 2, calculating the heat exchange Delta Q of the heat pump air conditionerto be adjusted; 3, making clustering analysis of the heat exchange Qneed which the heat pump air condition system needs to provide to the occupant cabin, the air side heat transfer Qair of evaporatorand the heat transfer delta Q of heat pump air conditioning system, the total power of heat pump air conditioning system is minimized by adjusting the opening of electronic expansion valve, the duty ratio of cooling fan outside the vehicle, the duty ratio of cooling fan inside the vehicle and the rotational speed of compressor. The control method of the automobile heat pump air conditioner provided by the invention has the advantages of fast response speed and good control of energy consumption.

The invention discloses a multi-purpose intelligent domestic heating table. The multi-purpose intelligent domestic heating table comprises a lighting device, a table top, and table legs used for supporting the table top, wherein heating devices are arranged on the table legs, and the lighting device is mounted on the table top in the folding manner. For the heating table provided by the invention,the heating devices are arranged on the table legs, so that heating can be provided for people, meanwhile, the heating table is further provided with the lighting device, so that lighting can be provided for people, therefore, the function is diversified, the heating and lighting demands of people are satisfied, and moreover, the lighting device is mounted on the table top in the folding manner,so that the space of the table top is saved.

The invention discloses a vortex ring generation device based on radial disturbance principle. The vortex ring generation device based on the radial disturbance principle comprises an air feed device,a radial disturbance device, a ventilating duct and two opening and closing plates, wherein the air feed device, the radial disturbance device and the two opening and closing devices are sequentiallyarranged in the ventilating duct along the air flow direction, the two opening and closing plates are transversely and symmetrically arranged in the ventilating duct, semi-circular holes symmetrically arranged are formed in the two opening and closing plates, and the radial disturbance device is connected with the two opening and closing plates, and drives the two opening and closing plates to open or close. The vortex ring generation device based on the radial disturbance principle achieves continuous air feeding, generates a plurality of vortex rings on a section of continuous airstream, connects the vortex rings through common air, greatly improves ventilation rate, and can meet the requirement for the minimum ventilation rate in the heat supply or refrigeration field.

The invention provides an ultralow-temperature overlapped triple generation heat pump unit.The ultralow-temperature overlapped triple generation heat pump unit is characterized in that a low-temperature heat pump system, a high-temperature heat pump system, a hot water producing device and a control center are included; the hot water producing device comprises a hot water producing heat exchanger, a circulating water pump is arranged at the cold water inlet end of the hot water heat exchanger, and an evaporation condenser is connected with a high-temperature throttling device through a high-temperature heat exchanger switching solenoid valve; the output end of a high-temperature part compressor is connected with the heat medium input end of the hot water producing heat exchanger, the heat medium output end of the hot water producing heat exchanger is connected with a high-temperature part four-way valve, and the high-temperature part four-way valve is controlled to control the output end of the high-temperature part compressor to be selectively communicated with a high-temperature part air cooling heat exchanger or a high-temperature part water side heat exchanger.The needs for air conditioner refrigeration and heating and domestic hot water can be met at the same time, an overlapped system is not started during refrigeration, single-stage compression is adopted for refrigeration, the system is simpler and better in energy saving effect, the overlapped system is adopted in the low-temperature heating process, and the heating energy efficiency is higher.

The invention discloses a medical low-temperature steam formaldehyde sterilization cabinet and a sterilization method thereof. The medical low-temperature steam formaldehyde sterilization cabinet comprises a cabinet body, a sterilization cavity, a formaldehyde water solution medicine feeding device, a steam generator, an electric control device, an evacuating device and a clean air supplying system, wherein the sterilization cavity comprises a sterilization chamber, a heating jacket and a sterilization chamber door; the steam generator comprises a heat supply medium box; a formaldehyde vaporization pipeline, a heating device, a heat supply medium pipeline port, a low-temperature steam outlet and a waste liquid outlet are formed in the heat supply medium box; a medicine outlet pipeline of the formaldehyde water solution medicine feeding device is connected to the inlet of the formaldehyde vaporization pipeline; the outlet of the formaldehyde vaporization pipeline is connected to the sterilization chamber; the low-temperature steam outlet is connected to the sterilization chamber and the heating jacket through pipelines; the evacuating port of the evacuating device is connected to the sterilization chamber; the air supply end of the clean air supplying system is connected to the sterilization chamber. By mixing the low-temperature steam and the formaldehyde gas for sterilization at the vacuum state, the sterilization effect is complete without dead angle, and the residual formaldehyde gas can be eliminated completely after sterilizing.

The invention discloses a constant-temperature vehicle-mounted insulation box, and relates to the field of insulation box structures. The constant-temperature vehicle-mounted insulation box comprises a box body and a box cover; the box body includes a waterproof outer layer, an insulation middle layer and a waterproof inner layer; the insulation middle layer is provided with a heating layer; the heating layer is filled with heat conducting liquid; the heating layer is connected with and mounted on a heat exchanger of a vehicle radiator through a heat conducting pipe; the heat exchanger is mounted in an inlet of an engine radiator; the box body is arranged in the bottom of a vehicle seat; the box cover is arranged on the side edge of the vehicle seat; a slide device is horizontally mounted in the box body, and includes a drag plate and a slide rail; the drag plate slides along the slide rail, and an extending end thereof can extend out of the box body; the slide rail is arranged in the box body; a placing box capable of being accommodated with the drag plate in the box body is arranged at the extending end of the drag plate; the placing box includes an upper box body and a lower box body oppositely opened and closed; the lower box body is fixed on the drag plate; and the placing box is manufactured by a heat conducting silica gel material. The constant-temperature vehicle-mounted insulation box can achieve permanent insulation to satisfy insulation of meals, heating of milk bottles and the food freezing demands.

The invention relates to a solar dual-purpose machine for supplying hot wind and water, in particular to a dual-purpose machine for supplying hot wind and water. The machine comprises a hot water cylinder, a hot wind cylinder, a support, a faceplate and a solar energy acquisition tube. The hot water cylinder and the hot wind cylinder are two respectively independent containers; the solar energy acquisition tube is composed of an outer-layer protective glass tube, an inner-layer metal aluminium tube, heat adsorption paint and a heat pipe in the metal aluminium tube; and the upper end of the heat pipe penetrates through the hot wind cylinder and is communicated with the hot water cylinder. Therefore, the heat pipe, on one hand, heats air in the hot wind cylinder and on the other hand simultaneously heats the water in the hot water cylinder. In addition to the functions of the existing solar water heaters, the machine of the invention can also meet the demands of people in terms of heating, object drying and other aspects.

Overlap super high temperature water source thermal pump comprises a low, high temperature compressor in a cabinet in which the medium outlet of evaporizer is connected with the medium inlet of the high temperature gas/liquid heat exchanger by a connecting pipe while its outlet is connected with the medium inlet of a high temperature compressor, the outlet of which is connected with the medium inlet of a condenser and the outlet of which is connected with the inlet of a high temperature electromagnetic valve, which outlet is connected with the inlet of a high temperature gas/liquid heat exchanger, the outlet of which is connected with the inlet of the high temperature expansion valve and its outlet is connected with the evaporizer, with the supplied water temperature by 70-90 deg.C..

The invention relates to a solar greenhouse roof power generation heating and refrigerating system of a high-rise building. According to the solar greenhouse roof power generation heating and refrigerating system of the high-rise building, the building roof is connected with a glass curtain wall and a standard steel frame through connecting pieces and makes up a fully closed roof solar greenhouse with a solar cell module. The solar cell module absorbs sunlight radiation energy and converts the sunlight radiation energy into electric energy; direct current is converted into alternating current through an inverter; the electricity can be generated at once when needing, a power grid is not needed, and the electricity is directly supplied for a double-source heat pump to prepare hot water and cold water for showering, heating and refrigerating. The solar greenhouse roof power generation heating and refrigerating system of the high-rise building is capable of meeting the heating, refrigerating and domestic hot water requirements of the first to thirtieth layers of high-rise residents through using solar energy and air energy.

The invention belongs to the field of Stirling engines, and discloses a Stirling engine based on repeated piston heating. The Stirling engine comprises a waste gas treatment device, a heat exchanger, a refrigerating device, a compressor, a transmission shaft, a worm wheel, a Stirling hot end heating chamber, a Stirling hot end, a Stirling cold end refrigerating chamber, a Stirling cold end, a fuel gas generator and the like. Repeated piston double-cylinder burning gas supply is adopted by a heating system, burning power is carried out on two sides of a piston, a high power-to-weight ratio is achieved, and the heating efficiency is favorable to be improved; the worm wheel drives the refrigerating device at the same time, the air is cooled, the cold end of the Stirling engine is cooled, and therefore the efficiency of the Stirling engine is improved. A hot end supply system which is high in power-to-weight ratio and clear is designed, the temperature of the cold end is lowered at the same time, the efficiency of the Stirling engine is improved and the emission is reduced, and a good marketing prospect is achieved.

The invention discloses a solar combined electric energy-saving and environment-friendly motor homes without a charging pile, and relates to the field of new energy automobiles. The motor homes comprises an engine, a generator, a rectifier, a direct current transformer, an inverter, a lithium battery pack, a motor and household appliances, wherein the engine provides power for power generation ofthe generator, the rectifier is used for converting alternating current output by the generator into direct current, the direct current transformer is used for conducting voltage transformation on thedirect current voltage output by the rectifier and correspondingly conveying the direct current voltage to the lithium battery pack and the inverter, the inverter is used for converting direct current output by the direct current transformer into alternating current and conveying the alternating current to the motor, the motor is used for providing power for the motor homes, a sliding folding photovoltaic panel assembly is used for charging the lithium battery pack and supplying electricity to the household appliances, and the lithium battery pack is used for supplying power to the householdappliances and providing direct current to the inverter through the direct current transformer. The combined electric power system has the following advantages that 1, a charging pile does not need tobe charged; 2, the endurance mileage is over 600 kilometers; 3, the use amount of the lithium battery is only 1/5-1/3 of a battery electric vehicle, the energy storage cost is greatly reduced, and the safety and reliability are greatly improved; and 4, the service life of the photovoltaic panel is 25 years or more, the photovoltaic panel is used by using a solar energy supply motor homes power system and an interior household appliance inside the motor homes, so that the motor homes is clean and pollution-free; and meanwhile, the later use cost is greatly saved.

The invention belongs to the field of engines and discloses a Stirling engine. The Stirling engine comprises a waste gas treatment device, a heat exchanger, a refrigerating device, a compressor, a transmission shaft, a turbine, a Stirling hot end heating cavity, a Stirling hot end, a Stirling cold end refrigerating cavity, a Stirling cold end, a gas generator and the like. Repeated piston double-cylinder combustion gas supply is used for a heating system of the Stirling engine, combustion acting exists on the two sides of a piston of the system, a higher power-to-weight ratio is achieved, and the weight of a whole Stirling engine system can be reduced; gas generated during combustion passes through the turbine and drives the compressor to pressurize inlet gas, and the combustion efficiency is better improved; and meanwhile, the turbine drives the refrigerating device to cool air and cool the cold end of the Stirling engine, and therefore the efficiency of the Stirling engine is improved. A hot end supply system high in power-to-weight ratio and clean is designed, meanwhile, the temperature of the cold end is reduced, the efficiency of the Stirling engine is improved, emission is reduced, and good market prospects are achieved.

The invention discloses a heating, ventilating and air conditioning system of a low-floor light rail vehicle. The heating, ventilating and air conditioning system of the low-floor light rail vehicle comprises a first air supply and return unit arranged in a passenger room and a second air supply and return unit arranged in a cab. According to the first air supply and return unit, the air inflow and outflow mode that air is supplied from the two sides and returns from the middle is adopted for a top plate of a compartment. A second air supply duct of the second air supply and return unit winds through vehicle window side glass and front window glass, air inlets are formed in the front and the side of a console, and an air return port is formed in the vehicle ceiling of the cab. The heating, ventilating and air conditioning system can meet the requirements for heating, ventilating, refrigerating and heating of the low-floor vehicle and meet the requirements for ventilating and temperature of the passenger room and the cab, uniformity of air outflow of air supply ports and uniformity of temperature in indoor space are guaranteed, fresh air can run through the whole vehicle space, and the comfort requirement of passengers is met. What is the most important, no extra structural arrangement is added, and the total vehicle weight, the vehicle power consumption and the power will not be increased.

The invention discloses a control method, device and system. The method comprises the steps that a wire controller monitors communication disconnection information, an internal unit of a hot water unit starts a heat source according to the communication disconnection information so as to perform heating or water heating. By means of the control method, device and system, an internal unit mainboard can start an emergency mode to operate under the situation that an external unit mainboard is powered off for maintenance or a communication fault occurs, and accordingly the basic heating or water heating demand of a user is met.

The invention discloses a solar-assisted air source trans-critical carbon dioxide multifunctional heat pump system, which comprises a compressor, an indoor heat exchanger, an outdoor heat exchanger, a domestic water tank heat exchanger, a heat regenerator, a four-way reversing valve, a throttling switching system and a solar heat collecting system, wherein the solar heat collecting system comprises a solar heat collector and a refrigerant-water heat exchanger or a solar heat collector/evaporator. The multifunctional heat pump system integrates a trans-critical carbon dioxide heat pump system with a water heater in a quite simple, economic and reliable manner, solar energy is fully used, and the multifunctional heat pump system is particularly applicable to occasions abundant in solar energy and needing air conditioners and a great deal of high-temperature hot water supply simultaneously. By the aid of the multifunctional heat pump system, energy use ratio and equipment use ratio are increased, and environmental pollution is reduced.

The invention discloses an absorption compression type super heat pump. A new process is adopted, heating or cooling requirements under large-range temperature change of the air are met in five running manners, separate heating or cooling can be realized, the special requirement for simultaneous heating and cooling can also be met, the heating temperature of the heat pump ranges from 50 DEG C to 150 DEG C, and the cooling temperature ranges from subzero 30 DEG C to 10 DEG C. According to the heat pump, an air compressor is used for adjusting the compression ratio of refrigerant vapor, so thatthe heating or cooling temperature is changed at the same air temperature. Compared with the prior art, the heat pump has the advantages that the heating and cooling working temperature range of the heat pump is enlarged remarkably, and the heat pump has the relatively high performance advantages.

The invention discloses a high and medium pressure joint heat supply system based on energy level matching. The high and medium pressure joint heat supply system based on energy level matching comprises a high pressure heat supply steam system, a medium pressure heat supply steam system and a steam-steam heat exchanger system. Firstly, the novel steam-steam heat exchanger system is designed, by means of the system, energy redistribution is achieved, temperature lowering of the medium pressure heat supply steam system is achieved, heating of high pressure heat supply steam is also achieved, and gradient utilization of energy is achieved by achieving two benefits; secondly, according to the heat supply scheme, steam extraction is used for replacing raw main steam heat supply, separate production of heat and power of the original high pressure heat supply steam is changed into combined production of heat and power, and the energy utilizing efficiency is improved; and thirdly, a high pressure heat supply bypass and a medium pressure heat supply bypass system are designed, and by means of cooperation of a heat supply main way and the bypasses, the variable work condition requirement of heat supply is flexibly and conveniently met. Thus, by means of the high and medium pressure joint heat supply system based on energy level matching, the energy utilizing efficiency is improved, and the heat supply reliability is also improved.

The invention provides an air-conditioning system, a control method thereof and a passenger car air conditioner comprising the air-conditioning system. The air-conditioning system comprises a circulation loop composed of a compressor assembly (100), an indoor heat exchanger (4), an outdoor heat exchanger (6) and a throttling element (5), wherein the compressor assembly (100) comprises at least two branch circuits connected in parallel; at least one compressor is arranged on each branch circuit; and the total displacement of the compressors on any branch circuit is not equal to the total displacement of the compressors on the other branch circuits. The air-conditioning system can select to switch on the small-displacement compressors and switch off the large-displacement compressors and the branch circuits of the large-displacement compressors under a low-load condition, so that the air-conditioning system meets the requirements for heating or refrigerating in an indoor environment at low power consumption, power consumption is effectively reduced, and energy is saved. The air-conditioning system can also select to connect the compressors of different displacements and the branch circuits according to required different refrigerating or heating loads and play a role of intelligent optimal control.

The invention provides an air cylinder, a pump body component, a compressor and an air conditioner outdoor unit. The air cylinder comprises a cylinder body, at least one slide part, at least one partial pressure part and at least one locking structure and is characterized in that the cylinder body is provided with a working cavity for accommodating a roller and at least one mounting groove communicated with the working cavity; each slide part is inserted into the corresponding mounting groove and has a first state separated from the roller and a second state contacting with the roller; each partial pressure part is arranged between the corresponding slide part and the cylinder body and applies partial pressure to the slide part to allow the same to slide into the working cavity; each locking structure is suitable for being used to lock the first state of the corresponding slide part. The air cylinder can achieve fast starting and guarantee normal work.

The invention discloses a biomass gasification intelligent heating cooking stove, and belongs to the field of heating stoves. The biomass gasification intelligent heating cooking stove comprises a stove body, a material storage bin is arranged on one side of the stove body, a heating gasification combustion chamber is arranged on the lower portion of the material storage bin, a heat absorption water pipe fire grate and a dense ash falling fire grate are arranged at the bottom of the material storage bin, the heat absorption water pipe fire grate is arranged above the dense ash falling fire grate, a combustion chamber is arranged between the heat absorption water pipe fire grate and the dense ash falling fire grate, an ash removal chamber is arranged at the bottom of the dense ash falling fire grate, the other side of the stove body is provided with a water-boiling and cooking gasification combustion chamber, a water-boiling and cooking pot placing opening is formed above the water-boiling and cooking gasification combustion chamber, a fire-resistant sealing door cover is arranged on the water-boiling and cooking pot placing opening, one side of the water-boiling and cooking pot placing opening communicates with a heat absorption water jacket flame path, an exhaust port is formed in the end part of the heat absorption water jacket flame path, a shaking ash falling fire grate is arranged at the bottom of the water-boiling and cooking gasification combustion chamber, and an ash cleaning chamber is arranged at the bottom of the shaking ash falling fire grate. According to the biomass gasification intelligent heating cooking stove, through the structure, the good heating effect can be achieved, and the requirements of a user for water boiling and cooking can be further met.

The invention discloses a single-machine two-stage screw compression ultra-large ultralow-temperature air source heat pump unit which comprises a shell and tube condenser, an economizer, a high-pressure liquid storage device, an evaporator, a fin type heat exchanger, a four-way valve and a single-machine two-stage compressor. The economizer is provided with one inlet and two outlets, one outlet of the economizer is communicated with an inlet of the high-pressure liquid storage device through a pipeline, an electronic expansion valve B is installed on the pipeline, and the other outlet of the economizer is connected with an air suction port B of the single-machine two-stage compressor through a pipeline; a low-pressure compressor cavity and a high-pressure compressor cavity are arranged in the single-machine double-stage compressor, a pair of male and female rotors meshed with each other is arranged in each compressor cavity, an air suction port B is formed in the low-pressure compressor cavity, and an air suction port A is formed in the high-pressure compressor cavity. The single-machine two-stage screw compression technology and the air supply enthalpy increasing technology are combined, the enthalpy value of a refrigerant after heat absorption in the ultralow-temperature environment is increased, the energy efficiency ratio of the unit is increased, and high-quality operation of the unit in the ultralow-temperature environment is achieved.

The invention discloses an air conditioning system and an air conditioner. The air conditioning system comprises a reversing unit, a compressor, a phase change heat storage heat exchanger, a first heat exchange branch and a second heat exchange branch, wherein the first heat exchange branch comprises a first heat exchanger, a first throttling branch and a third throttling branch, and a second connecting port is connected to one end of the first heat exchanger; the first throttling branch and the third throttling branch are connected in parallel and are connected between the other end of the first heat exchanger and the phase change heat storage heat exchanger; the first throttle branch is unidirectionally connected from the phase change heat storage heat exchanger to the first heat exchanger, and the third throttle branch is unidirectionally connected from the first heat exchanger to the phase change heat storage heat exchanger; the second heat exchange branch includes a second heat exchanger and a second throttle element which are connected in series; the second heat exchanger is connected with a second connecting port; and the second throttle element is connected between the second heat exchanger and the phase change heat storage heat exchanger. According to the air conditioning system, releasing heat into the environment is not needed during refrigeration, absorbing heat from the environment is not needed during heating, and hot water can be produced.