133results about How to "Improve indoor comfort" patented technology

The invention provides a control method for increasing low-temperature heating heat of a varied-frequency air conditioner. After an outdoor electronic control chip of the air conditioner receives an instruction to start an indoor low-temperature heating mode, the method comprises the following steps: step 1: the outdoor electronic control chip responses outdoor ambient temperature and environmentrelative humidity so that the air conditioner can enters into a corresponding low-temperature heating running state; and step 2: after the air conditioner enters into a low-temperature heating running state, a compressor runs for a corresponding heating time according to a designated heating frequency, then the air conditioner enters into a defrosting operation and an outdoor heat exchanger of the air conditioner can be defrosted through reversing a four-way valve in the air conditioner, wherein before the defrosting operation in the step 2 and in the entire process of defrosting operation, the operation frequency and time of the compressor can be changed on condition that the compressor of the air conditioner keeps running all the time. The method provided by the invention can response the changes of ambient temperature and relative humidity and can effectively improve low-temperature heating heat of the varied-frequency air conditioner.

The invention provides an air conditioner defrosting method and an air conditioner thereof. The air conditioner defrosting method comprises the following steps: in a heating mode, when an outdoor unit is located in the working condition of easy frosting, an electric heater in an indoor unit is started, the rotating speed of a compressor is lowered, and the evaporation temperature and the temperature of a coil pipe in the outdoor unit are increased; and in a defrosting mode, the electric heater and a fan of the indoor unit are kept rotating to accelerate flowing of air between a heat exchanger and the electric heater. The air conditioner comprises a control module for actuating the air conditioner defrosting method. The air conditioner defrosting method can open the electric heater and the indoor fan in the defrosting mode, so that a refrigerant of the heat exchanger of the indoor unit absorbs heat of electric heating, the dryness of the refrigerant in an outlet of the heat exchanger of the indoor unit can be increased, the inspiration liquid carrying quantity of the compressor is reduced, the stable operation of the compressor is improved, the defrosting process can be accelerated, and the indoor comfort of using the air conditioner in winter can be improved.

The invention discloses a household air conditioner refrigerating system capable of separately controlling latent heat and sensible heat. The household air conditioner refrigerating system comprises a double-cylinder compressor, two liquid reservoirs, two evaporators, two electronic expansion valves, a condenser, an indoor fan and an outdoor fan, wherein the double-cylinder compressor is respectively provided with an air exhaust port and two air suction ports; two air suction ports of the double-cylinder compressor are respectively connected with the two liquid reservoirs; the air suction ends of the two liquid reservoirs are respectively connected with one ends of the two evaporators; the other ends of the two evaporators are respectively connected with one end of the condenser through the two electronic expansion valves; the other end of the condenser is connected with the air exhaust port of the double-cylinder compressor; the indoor fan is arranged at the side close to the two evaporators; the outdoor fan is arranged at the side of the condenser. According to the household air conditioner refrigerating system, the disadvantages of the traditional commercial temperature-humidity independent control air conditioning system are overcome; the household air conditioner refrigerating system is simple in equipment and achieves the purpose of dehumidification and temperature reduction without adding special dehumidifying equipment, the energy consumption for system operation is effectively reduced, and the indoor comfortableness and air quality are improved.

An energy control system and control method for heating and cooling water circulation, relating to the control of a multi-user heating and cooling system and its corresponding water pump system with or without adjustment function in its terminal devices. It effectively solves the problems of heat energy waste and energy waste generated by water pump circulation. The present invention consists of heat source water supply and return pipelines, water pumps, VFD frequency converters, flowmeters, electric regulating valves, differential pressure sensors, temperature sensors, user terminals, and related control logic that can monitor the performance of the water pumps, start / stop the water pumps, and adjust the frequency of the water pumps. The controller composition. The implementation of the present invention can control the indoor temperature very well, improve the indoor comfort, avoid the overall overcooling or overheating phenomenon in the building room; and can reduce the waste of heat energy by 30%; reduce the energy waste of the circulating water pump by 70%-90% %.

The invention provides a defrosting control method with the optimal comprehensive performance of an air heat source pump as a target. The defrosting control method comprises the steps that when a unit is started, the evaporation pressure / temperature, the inlet air temperature and the inlet air humidity of a finned tube exchanger and the condensation pressure / temperature and hot water side inlet temperature and flow of a condenser are detected, performance parameters of different running periods are calculated through a unit model in a simulation manner, and the optimal unit frosting time under the work condition is obtained according to the calculated maximum value of the performance evaluation coefficient COPc of the different running periods; when the unit carries out heating and runs to the optimal frosting time, defrosting is started; and the temperature of bottom fins of the finned tube exchanger is detected, and when the temperature of the bottom fins of the finned tube exchanger reaches the set value, the unit stops defrosting, and the heating mode is recovered. According to the defrosting control method, the running work condition and the running state of the unit are detected in real time, the growth condition of a frosting layer of the finned tube exchanger can be accurately judged through the unit model, the optimal frosting time of the unit is updated, and the unit can adapt to any work condition to efficiently run.

A dual-temperature radiation heat pump type room air conditioner capable of processing fresh air comprises an air compressor. The air compressor is connected with an outdoor heat exchanger through a four-way reversing valve, the outdoor heat exchanger is connected with a metal radiation plate and an induction-type fresh air processor which are connected in parallel, a valve combination is arranged on a connecting pipeline, and the metal radiation plate and the induction-type fresh air processor are connected with the four-way reversing valve and the outdoor heat exchanger through an ejector and a three-way valve backwards. The refrigerant flow path is changed through the four-way reversing valve, the three-way valve and the valve combination to enable the metal radiation plate and the induction-type fresh air processor to serve as a parallel evaporator in the summer working condition and to serve as a parallel condenser and provide the defrosting working condition in the winter working condition. The dual-temperature radiation heat pump type room air conditioner meets the cold source requirement for temperature and humidity independent control in the summer working condition of the single air compressor, the dual advantages of radiation and fresh air heat / cold supplying are adopted in the winter working condition and the summer working condition, the quality of indoor air can be improved, the thermal comfort can be improved, secondary heat exchanging losses can be avoided and the energy utilization rate can be increased.

The invention provides an air conditioning system and a control method thereof. The air conditioning system comprises a compressor, a first indoor heat exchanger and a second indoor heat exchanger; the air conditioner further comprises a valve set structure, and through switching control of the valve set structure, in the refrigeration mode, the indoor first heat exchanger communicates with an airsuction port of the compressor, and the indoor second heat exchanger communicates with the air suction port of the compressor; in the heating mode, the indoor first heat exchanger communicates with an exhaust port of the compressor, and the indoor second heat exchanger communicates with the exhaust port of the compressor; in the reheating dehumidification mode, the indoor first heat exchanger communicates with the air suction port of the compressor, and the indoor second heat exchanger communicates with the exhaust port of the compressor; and air flow can sequentially flow through the indoorfirst heat exchanger and the indoor second heat exchanger to complete heat exchange. According to the air conditioning system, the leeward side heat exchanger can be converted into the reheating heatexchanger under the control of the valve when the air conditioning system operates in the dehumidification mode in the transition season, so that the air supply temperature when the air conditioning system operates in the dehumidification mode is increased, the condensation temperature is reduced, the supercooling degree of the outlet of a condenser is increased, and the system energy efficiency is improved.

The invention provides a method for defrosting an air conditioning system. The air conditioning system comprises an indoor heat exchanger, throttle devices, an outdoor heat exchanger, a four-way valve, a compressor, a bypass circuit branch and a junction main circuit which are arranged on refrigerant circulation paths in a heating mode, wherein the compressor is connected with the indoor heat exchanger and the outdoor heat exchanger through the four-way valve; a heat accumulator is arranged on and connected with the compressor; the bypass circuit branch is connected between the four-way valve and the outdoor heat exchanger; and the junction main circuit is connected between the throttle devices and connected with the compressor by the heat accumulator. During defrosting, a refrigerant flows out of the compressor and passes through the four-way valve for bypassing, a part of the refrigerant enters the outdoor heat exchanger for defrosting through the bypass circuit branch, the other part of the refrigerant enters the indoor heat exchanger for heating, after heat exchange, the two parts of the refrigerant are subject to throttling, flow into the junction main circuit, enter the heat accumulator for heating, and then return to the compressor, so that the circulation is completed. The two parallel refrigerant circulation paths are formed in a defrosting state, so that the defrosting and continuous heating can be ensured at the same time.

The invention discloses a defrosting control method of an air conditioner. The method includes the step of controlling defrosting frequency of a compressor according to different outdoor temperatures T4 to ascend according to different rates. The defrosting control method has the advantages that the different defrosting frequency ascending rates are selected according to the different outdoor temperatures, the final defrosting time is shorter than the defrosting time of the fixed rate, the defrosting time is shortened, and consequently the indoor comfort is improved.

The invention provides a phase change energy storage temperature-adjusting internal wall coating and a preparing method thereof. The phase change energy storage temperature-adjusting internal wall coating comprises, by mass, 30%-50% of emulsion, 0.5%-1.5% of dispersing agents, 0.5%-2% of antifreezing agents, 1%-3% of coalescing agents, 1%-2% of thickening agents, 0.5%-1% of defoaming agents, 5%-15% of titanium dioxide, 5%-10% of functional padding, 15%-30% of composite phase change materials and the balance water. According to the phase change energy storage temperature-adjusting internal wall coating and the preparing method, the attapulgite-based paraffin composite phase change materials serve as temperature-control base materials, the obtained phase change coating has good energy storage performance, cheap in price and excellent in weather resistance, energy consumption is saved, the indoor comfort is improved, the phase change coating is not limited by the territory and weather in use due to the adjustable phase change temperature, the application field of the phase change coating is broadened, and the coating has the good economic benefits and environment benefits and wide application prospects.

The invention provides a purification fresh air unit with dehumidifying and energy recycling functions and a dehumidifying and purifying method of the purification fresh air unit. The unit is characterized in that dehumidified air and return air can be subjected to energy exchange, the effect of increasing the temperature of an air outlet can be achieved without passive and active heating, meanwhile, the unit is further provided with a primary return air structure, airflow circulation is formed indoors, the temperature, humidity and cleanliness of indoor air are continuously adjusted, and the effects of saving energy and improving indoor comfort are achieved.

The invention relates to a novel energy resource air conditioning mode and system. Solar energy and geothermal energy are used as main air conditioning energy resources, the treatment process is carried out by independent humidifying fresh air handling unit for a air conditioning and an indoor low-temperature radiation tail end, and a water system forms a water ring heat pump circulation loop. When coldness is supplied in summer, ground-source water sequentially flows through a water loop heat pump evaporator, the indoor radiation tail end, a surface cooler of the fresh air handling unit and a ground source heat pump condenser, a solar energy and water loop heat pump condenser which work jointly so as to carry out regeneration for an independent humidifying part by an energy accumulation tank, and a heat pump is only opened at peak load to provide chilled water at about 20 DEG C; and when heat is supplied in winter, ultra-low temperature solar energy and a ground source heat pump jointly provide heating water at 20-25 DEG C. In the invention, the air conditioning mode is fundamentally changed, the amount of electricity or fossil fuel consumption is only 20-30% of that of the conventional air conditioner, natural energy sources bear 70-80% of the total load of a whole year, the indoor comfort is effectively improved, initial investment is reduced, and the mode and system in the invention are energy-saving, health, environment-friendly and economic.

The invention provides an air conditioner for a defrost and variable-frequency heat pump, which comprises an indoor unit and an outdoor unit. The outdoor unit comprises a condenser, a fan, a reversing four-way valve and a compressor, wherein one end of the condenser is connected with the indoor unit through a connection pipeline, and the other end is connected with the compressor and the indoor unit through four-way valves; cut-off valves are arranged among the indoor unit, the condenser and the four-way valves; a throttle mechanism is arranged between a cut-off valve on the connection pipeline and the condenser; and a pipeline heating device is arranged between the throttle mechanism and the condenser. The air conditioner for the heat pump is free from heat loss during the defrost process, can better keep the indoor temperature constant, has less temperature fluctuation and improves the indoor comfort.

The invention particularly relates to an air conditioner defrosting device, an air conditioner defrosting control method and a system and an air conditioner. Multiple parallel outdoor heat exchangers are provided; one or more outdoor heat exchangers can be selected for heating according to application environments of the air conditioner and user demands; when the outdoor heat exchangers need to defrost, the outdoor heat exchangers are defrosted by a hot air bypassing mode, and the other outdoor heat exchangers without needing defrosting are adopted to continuously heat, so that the indoor continuous heating in the defrosting process is realized, and the indoor comfort is prominently improved; and meanwhile, low-temperature gas after defrosting cooling in a bypass pipeline dose not directly enter a gas return port of a compressor, but enters a refrigerant circulating loop after being throttled by an electronic throttling part, so that the great change of the intake / exhaust pressure of the compressor cannot be caused, and the operation reliability of the compressor is improved.

The invention discloses a high energy-saving type energy storage building. The high energy-saving type energy storage building comprises a solar roof, a phase change wall, a ventilation system, a water supply system and a heat exchange system; the solar roof is arranged on the top of the energy storage building; air circulation pipes is arranged in the solar roof; air circulation pipes and liquidcirculation passages are arranged in the phase change wall, and the air circulation pipes communicate with the air circulation pipes in the solar roof; the ventilation system is connected to a building internal air supply system and the solar roof airflow circulation pipe; the water supply system is connected to a building internal water use system; the heat exchange system communicates with a water supply pipe in the water supply system, the air circulation pipes in the phase change wall, and the air circulation pipes in the solar roof. The solution uses the phase change wall to increase therate of change of indoor air temperature, that is, the indoor temperature rises more slowly during the summer, and the indoor temperature drops more slowly during nighttime in the winter, and the maximum temperature and the lowest temperature are lowered. The indoor comfort is improved, and an energy-saving effect can be achieved.

The invention discloses an energy saving method for a building and an energy-saving building structure. The energy-saving building structure comprises walls and floors and is characterized in that the energy-saving building structure further comprises outer wall bodies, the outer wall bodies are transparent and arranged on the outer sides of the walls, air channels are formed between the outer wall bodies and the walls, the tops and the bottoms of the outer wall bodies are provided with linkage openings respectively, the bottom openings are closed when the top openings are opened, and the bottom openings are opened when the top openings are closed; the walls, close to the floors, of each storey are provided with through holes, the through holes are communicated with the air channels and the indoor areas, and the through holes are internally provided with positive-reverse rotating fans and hole switches. By means of the method, renewable energy resources and idle resources can be fully utilized, building energy consumption is greatly reduced, the indoor natural ventilation effect is enhanced, and comfort is improved while a healthier environment is created; the energy-saving building structure has the advantages of being low in cost, environmentally friendly and capable of lowering energy consumption.

The invention provides a control method for a double-throughflow air conditioner. The control method comprises a detection step, a judgment step and a control step. The detection step is used for detecting indoor environment temperature t and for detecting whether the double-throughflow air conditioner is in a refrigeration mode or a heating mode. The judgment step is used for judging whether theindoor environment temperature t and a preset temperature value T0 meet the relation that t1 error<|t-T0|<=t2 error after the air conditioner is started for preset time. According to the control step,when t1 error<|t-T0|<=t2 error, the rotation speed N1 of a first motor is controlled to be N1max, the rotation speed N2 of a second motor is controlled to be N2min, or the rotation speed N1 of the first motor is controlled to be N1min, the rotation speed N2 of the second motor is controlled to be N2max, wherein N1max is the preset maximum rotation speed of the first motor, N2max is the preset maximum rotation speed of the second motor, N1min is the preset minimum rotation speed of the first motor, and N2min is the preset minimum rotation speed of the second motor. Through the control method,on the premise that the requirement of a room load is met, air-feeling-free air supply enjoyment is really brought to a user, and the comfort level of a human body is increased.

The invention discloses an air source heat pump system which can unintermittently supply heat under the working condition of defrosting and relates to an air source heat pump system. The system solves the problems that the prior defrosting mode has drastic change of air suction pressure, stops heat supply and blows cold wind indoors in the defrosting process. The outlet end of a compressor is communicated with a first port of a four-way reversing valve; a second port of the four-way reversing valve is communicated with the inlet end of an indoor machine; the outlet end of the indoor machine is respectively communicated with one end of a first bypass shunt circuit, one end of a second bypass shunt circuit and one end of a third bypass shunt circuit through a throttling mechanism; the other end of the first bypass shunt circuit, the other end of the second bypass shunt circuit and the other end of the third bypass shunt circuit are communicated with a third port of the four-way reversing valve; a fourth port is communicated with the inlet end of a gas-liquid separator; and the outlet end of the gas-liquid separator is communicated with the inlet end of the compressor. The system realizes unintermittent heat supply in the defrosting process, simultaneously reduces drastic change of air suction pressure of the compressor and is more stable in the conversion process of heat supply and defrosting.

The invention provides an air conditioning system and a control method thereof. The air conditioning system comprises a compressor, a first indoor heat exchanger, a second indoor heat exchanger and avalve bank structure, wherein through switching control of the valve bank structure, the first indoor heat exchanger communicates with an air suction port of the compressor and the second indoor heatexchanger communicates with the air suction port of the compressor under a refrigeration mode, the first indoor heat exchanger communicates with the air suction port of the compressor and the second indoor heat exchanger communicates with an exhaust port of the compressor under a reheating dehumidification mode, the first indoor heat exchanger and the second indoor heat exchanger are adjacently arranged, and air flow can sequentially flow through the first indoor heat exchanger and the second indoor heat exchanger to complete heat exchange. According to the system, a leeward side heat exchanger can be converted into a reheating heat exchanger under the control of a valve when the system operates in a dehumidification mode during a transition season, so that the air supply temperature whenthe system operates in the dehumidification mode is increased, meanwhile, the condensation temperature is reduced, the supercooling degree of an outlet of a condenser is increased, and the system energy efficiency is improved.

The invention discloses an intelligent environment control system based on indoor precise positioning and automatic simulation. The system comprises an electric outer window, a multi-parameter air quality sensor, an air refresher, an air conditioner, an intelligent UWB indoor precise positioning clamping piece, a robot air purifier, a simulation and intelligent control cabinet, an electric indoordoor and an air speed and air direction instrument; the electric outer window is provided with a haze detector, a rainwater detector and a noise detector; the air refresher and the air conditioner areconnected with the robot air purifier; the haze detector, the rainwater detector, the noise detector, the multi-parameter air quality sensor, the intelligent UWB indoor precise positioning clamping piece and the air speed and air direction instrument are connected with the simulation and intelligent control cabinet; and the simulation and intelligent control cabinet is connected with the electricouter window, the air refresher, the air conditioner, the robot air purifier and the electric indoor door. The system is high in intelligence degree and excellent in energy saving effect, can precisely control indoor environments, prominently improves the human body heat comfort of indoor persons, and achieves more uniform indoor heat comfort and air environment.

The invention provides a downward-air-out type air conditioner indoor unit, a control method and an air conditioner. The air conditioner indoor unit comprises an air deflector, and a rotating mechanism connected with the air deflector The air deflector can be pushed out or retracted into an air outlet; during the downward air-out process, the air deflector is driven to be pushed out and rotated toa fixed air-out position; when the air deflector is located at the fixed air-out position, a minimum distance M between the air deflector and the edge of the air outlet is larger than or equal to 10mm, and meanwhile, an included angle theta between an end edge tangent line of the air-out end of the air deflector and a horizontal direction is located between 10 degrees to 60 degrees; and the air-out end of the air deflector discharges air upwards. According to the downward-air-out type air conditioner indoor unit, the control method and the air conditioner provided by the invention, the wind resistance can be reduced, and a blown-out airflow can be maximally attached onto a wall surface of a ceiling to flow so as to form a wall attachment effect, so that the occurrence of the phenomenon that wind is directly blown to a human body is prevented to an extreme, cold air covers an indoor space to a maximum range, and the indoor comfort level is improved maximally.

A dual-temperature radiation household air-conditioner capable of processing fresh air comprises a compressor, wherein an outlet of the compressor is connected with an inlet of a condenser. The outlet pipelines of the condenser are connected with a mental radiation plate and a guiding-type fresh air processor respectively by a first expansion valve and a second expansion valve through a heat regenerator, wherein both inlets of an ejector are respectively connected with the outlet of the mental radiation plate and the outlet of the guiding-type fresh air processor. The outlet pipelines of the ejector are connected with the inlet of the condenser through the heat regenerator. The dual-temperature radiation household air-conditioner is capable of increasing the inlet pressure of the condenser to enable a single condenser to achieve the cooling at two evaporating temperatures, wherein the evaporating temperature of the mental radiation plate which is used as an evaporator is relatively high, thereby being good for improving refrigeration coefficients to achieve the energy-saving effect, avoiding the problem of the secondary heat loss caused by using cold water as refrigerants of radiation air-conditioners, improving indoor air quality and expanding the range of application of air-conditioner systems with independent control of temperature and humidity.

The invention discloses an auxiliary compressor defrosting system for an air source heat pump and relates to an air source heat pump defrosting system. The invention aims at solving the problems of low indoor heat supply, long defrosting time and potential safety hazard of the compressor as a result of the fact that the compressor in the traditional air source heat pump defrosting system needs to simultaneously supply heat indoor and supply energy for defrosting. A liquid reservoir is communicated with a subcooler, a pipeline between the liquid reservoir and the subcooler is connected with an expansion valve in parallel, the subcooler is communicated with the inlet end of an auxiliary compressor, the auxiliary compressor is respectively communicated with a plurality of outdoor machines by a third electromagnetic valve, each outdoor machine is communicated with the liquid reservoir by a fourth electromagnetic valve, the remaining one of two outlet ends of the subcooler is communicated with the inlet end of a second throttling valve, the second throttling valve is connected with a second one-way valve in parallel, the second throttling valve is respectively communicated with a plurality of outdoor units, each outdoor unit is communicated with a four-way reversing valve, and the four-way reversing valve is communicated with a main compressor by a gas-liquid separator. The invention is used for defrosting an air source heat pump.

The invention provides a heat pump air conditioner provided with a thermal storage defrosting humidification device based on existing defrosting water. The air conditioner comprises an air conditioning device and is characterized in that the air conditioner further comprises the thermal storage defrosting humidification device, the thermal storage defrosting humidification device is arranged belowan outdoor heat exchanger of the air conditioning device, a water collecting port of the thermal storage defrosting humidification device is located below the outdoor heat exchanger, a water outlet of the thermal storage defrosting humidification device is located on the side surface of the outdoor heat exchanger, one end of the thermal storage defrosting humidification device communicates with acapillary tube of the air conditioning device, and the other end of the thermal storage defrosting humidification device communicates with an indoor heat exchanger of the air conditioning device. According to the heat pump air conditioner, defrosting water is utilized for storing excessive heat of a unit during heat supply in winter, during defrosting, the high-temperature defrosting water is sprayed to a frost layer for defrosting firstly and then used as the low-temperature heat source of the unit so as to evaporate retained defrosting water to dryness or to perform deicing, and meanwhile,excessive defrosting water can also be used for indoor humidification; and during refrigerating in summer, generated condensate water is used for indoor humidification or used as part of the cold source. According to the heat pump air conditioner, the defrosting time is short, no indoor heat is sucked away, a humidification function is also achieved, and wasting caused by discharging of the largeamount of defrosting water and condensate water is avoided.

The invention discloses a hydroponic plant wall planting method and device. The method comprises the following steps that formed hydroponic plants are adopted for planting; formed plant planting baskets are adopted for planting hydroponic plants; water of a circulating system is absorbed thoroughly through a hydroponic plant wall device with water tanks and a circulating water draining system for plant culture to form a hydroponic plant wall. Plants of different varieties can be combined and planted on the water tanks by adopting the formed plant planting baskets, a water pump pumps water in a fish tank or a fish pond to the top of the plant wall, the water of each-level water tank reaches the overflow opening and then naturally flows down to the next level, and water of the lowest-level water tank reaches the overflow opening position and then flows back to the fish tank or the fish pond to form water circulation. Air purification, clean planting and ecological environmental protection can be achieved, the life quality can be improved, modular production can be achieved, operation is convenient, maintenance is easy, and the practicability is high.

The invention discloses a multi-unit system. By replacing an original single air cooling heat exchanger with two air cooling heat exchangers, during low-temperature refrigeration, the multi-unit system can achieve the aim of the area of an air cooling condenser by powering off one of the air cooling heat exchangers, or reduce the area of the air cooling condenser, enlarge the area of an air cooling evaporator and reduce the risk of liquid-state refrigerant returning of the system by taking one of the air cooling heat exchangers as the condenser and the other air cooling heat exchanger as an evaporator; during high-temperature heating, the multi-unit system can take one of the air cooling heat exchangers as the evaporator and the other air cooling heat exchanger as the condenser to control and maintain system pressure and air return temperature within a reasonable range; during low-temperature heating and when the air cooling heat exchanger of an outdoor unit needs defrosting, the multi-unit system performs defrosting by taking one of the air cooling heat exchangers as the condenser and continues to perform heating by taking the other air cooling heat exchanger as the evaporator. Therefore, the requirements of units on continuous heat supply can be met, and further the comfort level of users can be guaranteed.

The invention relates to a new energy air-conditioning method and a new energy air-conditioning system for extremely low energy consumption houses of new rural construction. Aiming at actual air-conditioner requirements and economy bearing capabilities of new rural construction users and increasing national macro energy tension, air-conditioner design target parameters are radically adjusted, and thermal performance design of buildings are improved; the system is designed according to the basic design principles of greatly reducing load demand and furthest utilizing natural energy sources such as solar energy, geothermal energy, air energy and the like; thermal air-condition independent humidification, low temperature radiation and water loop heat pump technology are comprehensively adopted; when cold is supplied in summer, ground source water flows through a water loop heat pump evaporator, an indoor radiation tail end, a fresh air unit surface cooler and a ground source heat pump condenser; the solar energy and the water loop heat pump condenser work together for regeneration of independent humidification components; and when heat is supplied in winter, the ultralow temperature solar energy and the ground source heat pump are combined to provide heated water of 15 to 25 DEG C. Compared with the traditional urban air-conditioning system, the power consumption of the system is only about 10 to 25 percent; and indoor comfortableness is effectively promoted, and initial investment is greatly reduced.

A thermal insulation coating for external walls includes the following components in parts by mass: 30-50 parts of an acrylic resin emulsion, 6-10 parts of hollow glass micro-beads, 5-9 parts of nanofar-infrared ceramic powder, 10-16 parts of nano silica powder, 5-15 parts of titanium dioxide, 6-9 parts of graphene, 1-3 parts of electroconductive powder, 0.1-1.5 parts of a dispersant, 1-1.5 partsof a defoamer, 0.4-0.8 part of a pH regulator, 1-1.5 parts of an antifreeze agent, 0.8-1.5 parts of an antisettling agent, 0.4-1 part of a preservative, 12-15 parts of a film forming auxiliary agent,0.8-1.8 parts of a thickener, and 60-80 parts of deionized water. The thermal insulation coating for the external walls has the advantages of effectively improving the thermal insulation performanceof the coating, improving indoor comfort degree and reducing energy consumption by adding the glass hollow micro-beads and the nano far-infrared ceramic powder into the coating, and has a good promotion prospect.

The invention discloses an air conditioner six-way valve and a heat-pump-type air conditioner comprising the same. The air conditioner six-way valve comprises a main valve and a guide valve; the mainvalve is connected with the guide valve through a pipeline; the main valve comprises a main valve shell, a main valve sliding block, a main valve left-side spring, a main valve right-side spring and six valve ports; the guide valve comprises a guide valve shell, a guide valve sliding block, a left-end controller, a right-end controller and four guide valve ports; the heat-pump-type air conditionercomprises the air conditioner six-way valve, a compressor, a first outdoor heat exchanger, a second outdoor heat exchanger, an indoor heat exchanger, an electronic expansion valve, a throttling controller and a pipeline selector. By adopting the air conditioner six-way valve, switching of a left state, a middle state and a right state can be realized; an ordinary air conditioner four-way valve can be replaced; the air conditioner can switch among a refrigeration mode, a heating mode and three defrosting modes; and the heat-pump-type air conditioner comprising the air conditioner six-way valvecan heat indoors and operate in a defrosting mode outdoors at the same time in winter, so that indoor comfortability is improved.