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33results about How to "Guaranteed indoor comfort" patented technology

Air source heat pump air conditioner and defrosting method thereof

The invention discloses an air source heat pump type air conditioner and a defrosting method thereof. The air conditioner is outdoors connected with a first outdoor heat exchanger (4) and a second outdoor heat exchanger (5) in parallel, electromagnetic valves (6, 7, 8, 9) are respectively arranged on pipelines which connect the first outdoor heat exchanger (4) and the second outdoor heat exchanger (5) with a four-way valve (2), throttle devices (10, 11) are respectively arranged on the pipelines which are connected with an indoor heat exchanger (3), the electromagnetic valves (6, 7, 8, 9) are connected with a detection control system, and the throttle device (12) is connected between the first outdoor heat exchanger (4) and the second outdoor heat exchanger (5). When in need of defrosting, exhaust gas of a compressor is divided into two parts after passing through the four-way valve, one part enters the indoor machine for ensuring the indoor heat supply, the other part enters one of the outdoor heat exchangers for defrosting, condensate enters the other outdoor heat exchanger for evaporating after throttling, and refrigerant vapor returns to the compressor.
Owner:CENT SOUTH UNIV

Control method of air conditioner

The invention relates to the technical field of air-conditioning, in particular to a control method of an air conditioner, and aims to solve the problem that a conventional air conditioner with a function of fresh air is poor in user experience. In order to solve the problem, the invention relates to the control method of the air conditioner. The control method of an air conditioner comprises thefollowing steps of obtaining the concentration of indoor carbon dioxide; when the concentration of carbon dioxide is greater than a first preset value, obtaining the running state of the air conditioner; and based on the obtained result, selectively controlling a temperature regulating unit and / or a fresh air unit to operate. Through the adoption of the above control mode of the control method ofthe air conditioner disclosed by the invention, when the concentration of the indoor carbon dioxide is too high, the temperature control unit and the fresh air unit are jointly controlled, so that indoor comfort degree is guaranteed, and the user experience is improved.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1

Air conditioner, control method and control device of air conditioner

InactiveCN104279716AAvoid Situations That Difficult to Meet User NeedsSolve the problem of indoor comfortMechanical apparatusSpace heating and ventilation safety systemsEngineeringRefrigeration
The invention discloses an air conditioner, a control method and a control device of the air conditioner. The control method of the air conditioner comprises the following steps: receiving a model selecting signal which is used for selecting working condition modes of the air conditioner, wherein the working condition modes comprise a refrigeration mode and a heating mode; selecting the working condition mode of the air conditioner according to the received mode selecting signal; controlling air to be discharged from the upper end of the air conditioner under the condition that the selected working condition mode is the refrigeration mode; and controlling air to be discharged from the lower end of the air conditioner under the condition that the selected working condition mode is the heating mode. By virtue of the control method of the air conditioner, the problem that the indoor comfort under the refrigeration working condition and the heating working condition is difficultly ensured in the prior art is solved; the effect of ensuring the indoor comfort in the refrigeration working condition and the heating working condition is achieved.
Owner:GREE ELECTRIC APPLIANCES INC

Air conditioner and control method and device thereof

The invention discloses an air conditioner and a control method and device thereof. The air conditioner comprises a first fan, a second fan, an air guide mechanism and a top air outlet mechanism, wherein the top air outlet mechanism is arranged on the top of an indoor unit of the air conditioner in a up-and-down moving manner, and the air guide mechanism comprises a horizontal air guide strip anda vertical air guide strip; and the method comprises the following steps of receiving a starting command of a bath air mode in a refrigeration mode; acquiring a current indoor temperature; and controlling the first fan, the second fan, the top air outlet mechanism, the horizontal air guide strip and the vertical air guide strip according to the indoor temperature and a set temperature of the air conditioner. The method can enable the working states of the first fan, the second fan, the top air outlet mechanism, the horizontal air guide strip and the vertical air guide strip to be matched withthe bath air mode in the operation process of the air conditioner, and therefore, a comfortable and natural bath type air field state is created, and the cooling effect is also ensured while the indoor comfort is ensured.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD

Air supply temperature control method of variable-air-volume air conditioning system

The embodiment of the invention provides an air supply temperature control method of a variable-air-volume air conditioning system. The air supply temperature control method includes the steps that actual air supply quantities of multiple terminal devices of the variable-air-volume air conditioning system are collected; the percentages of the actual air supply quantities accounting for the maximumdesigned air supply quantity are obtained; an area with the percentage being the minimum designed air supply quantity is determined as the area with the minimum load; the minimum designed air supplyquantity of the area with the minimum load is increased by one increment to form a set value of the air supply quantity; a set value of the air supply temperature is determined according to the set value of the air supply quantity; and the actual air supply temperature is controlled to be the set value of the air supply temperature. The air supply temperature is increased in an air handling unit,control over the air supply quantity of the area with the minimum load is separated from a forced minimum value, and thus there is no need of adopting an electric heating mode at the terminal devicesfor heating supplied air, and the energy saving effect is achieved under the condition of guaranteeing the indoor comfort.
Owner:BEIJING UNIV OF CIVIL ENG & ARCHITECTURE +1

Air conditioner, and control method and device thereof

The invention discloses an air conditioner, and a control method and device thereof. The air conditioner comprises a first fan, a second fan, a compressor, an air guiding mechanism and a top air outlet mechanism. The top air outlet mechanism is arranged on the top of an indoor unit of the air conditioner in the manner of being capable of moving vertically. The air guiding mechanism comprises a horizontal air guiding bar and a vertical air guiding bar. The method comprises the steps that in a cooling mode, a starting instruction of a none-windy-feel mode is received; the top air outlet mechanism is controlled to ascend to a preset highest position, the horizontal air guiding bar is adjusted to be at the maximum opening as well, and the vertical air guiding bar is adjusted to be at the maximum opening angle as well; the current indoor temperature is acquired; and the first fan, the second fan and a compressor are controlled according to the indoor temperature and the set temperature of the air conditioner. With the method of the air conditioner, in the operational process of the air conditioner, the working state of the first fan, the working state of the second fan and the working state of the compressor can be matched with the none-windy-feel mode, then the comfortable and natural none-windy-feel wind field state can be created, and the temperature reduction effect is guaranteed while the indoor comfort level is guaranteed.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD

Air conditioner generating electricity through outdoor unit vibration

The invention relates to the technical field of air conditioners and discloses an air conditioner generating electricity through outdoor unit vibration. The air conditioner comprises an outdoor unit, an indoor unit and an electricity generating damping system; the electricity generating damping system comprises a damper, a generator, a hydraulic motor, a rectifier, a controller, a storage battery and an inverter; the damper which is installed below bottom feet of the outdoor unit is connected with the hydraulic motor; the hydraulic motor is connected with the generator; the rectifier and the controller is installed inside the outdoor unit; the generator is connected to the storage battery through the rectifier and the controller; the storage battery is connected to the outdoor unit and a power source end of an indoor unit; the storage battery unit and the inverter are installed inside a room. According to the air conditioner generating electricity through the outdoor unit vibration, harmful energy of vibration is converted to be useful electric energy through the electricity generating damping system to provide electricity for the air conditioner.
Owner:SHENZHEN WOHAISEN TECH CO LTD

Air source heat pump type air conditioner and its defrosting method

The invention discloses an air source heat pump type air conditioner and a defrosting method thereof. The air conditioner is outdoors connected with a first outdoor heat exchanger (4) and a second outdoor heat exchanger (5) in parallel, electromagnetic valves (6, 7, 8, 9) are respectively arranged on pipelines which connect the first outdoor heat exchanger (4) and the second outdoor heat exchanger(5) with a four-way valve (2), throttle devices (10, 11) are respectively arranged on the pipelines which are connected with an indoor heat exchanger (3), the electromagnetic valves (6, 7, 8, 9) areconnected with a detection control system, and the throttle device (12) is connected between the first outdoor heat exchanger (4) and the second outdoor heat exchanger (5). When in need of defrosting,exhaust gas of a compressor is divided into two parts after passing through the four-way valve, one part enters the indoor machine for ensuring the indoor heat supply, the other part enters one of the outdoor heat exchangers for defrosting, condensate enters the other outdoor heat exchanger for evaporating after throttling, and refrigerant vapor returns to the compressor.
Owner:CENT SOUTH UNIV

Air conditioning system, intelligent adjusting control method and device thereof, and computer equipment

The invention relates to an air conditioning system, an intelligent adjusting control method and device thereof, computer equipment, and a storage medium. The indoor and outdoor environment temperature difference is calculated by receiving the indoor environment temperature and the outdoor environment temperature, the indoor and outdoor temperature difference is compared with the preset temperature difference range, a terminal device of the corresponding type is control to conduct temperature adjusting according to the obtained comparison result and the preset corresponding relation, that is,when the comparison result of the indoor and outdoor temperature difference and the preset temperature difference range is obtained, a terminal device which is more suitable for the current environment temperature is selected to conduct temperature adjusting according to the indoor and outdoor temperature difference, and accordingly, the terminal device for temperature control can be controlled according to the indoor and outdoor temperature difference; and on the premise that the indoor comfort is ensured, electric energy consumption of a unit is reduced, the operation energy saving performance of the unit is improved, and the using operation cost of the unit is reduced.
Owner:GREE ELECTRIC APPLIANCES INC

Heat pump air conditioner with dehumidifying function

The invention discloses a heat pump air conditioner with a dehumidifying function. The heat pump air conditioner with the dehumidifying function comprises a heat pump main machine, a cold / heat supply circulating system, an indoor heat exchanger and a dehumidifying temperature adjusting machine arranged indoors, wherein the heat pump main machine comprises a compressor, a first heat exchanger, a fan, a second heat exchanger, a four-way valve and an expansion valve; the cold / heat supply circulating system comprises a cold / heat supply pipeline, a cold / heat return pipeline, a third heat exchanger, a water distributing and collecting device and a circulating water pump; the second heat exchanger and the third heat exchanger are coupled to form a double-flow-channel heat exchanger; the indoor heat exchanger and the dehumidifying temperature adjusting machine are connected in series and then communicate with the water distributing and collecting device, or the indoor heat exchanger and the dehumidifying temperature adjusting machine communicate with the water distributing and collecting device separately; and the dehumidifying and temperature adjusting machine works along with the cold / heat supply circulating system. Refrigeration functions of the dehumidifying and temperature adjusting machine and the heat pump main machine cooperate to adjust temperature and dehumidify, the synergistic effect is achieved, the energy is saved, the structure is simple, and installation is convenient; and under the conditions of low-temperature and high-humidity weather such as southern days and plum rainy days, a good effect is achieved for ensuring indoor comfort.
Owner:ZHONGSHAN AMITIME ELECTRIC CO LTD

Air conditioner, as well as control method and device thereof

ActiveCN110848805AMeet different cooling needsComfortable and natural bathing wind field stateMechanical apparatusSpace heating and ventilation safety systemsWind fieldRefrigeration
The invention discloses an air conditioner, as well as a control method and device thereof. The air conditioner comprises a compressor, a first fan, a second fan, an air guiding mechanism and an air ejection mechanism, wherein the air ejection mechanism can be arranged on the top part of an indoor unit of the air conditioner in an up-and-down movement way; and the air guiding mechanism comprises ahorizontal air guiding bar and a perpendicular air guiding bar. The control method comprises the steps of under a refrigeration mode, receiving a starting command and a wind-grade signal of a bathingwind mode; and according to the wind-grade signal, controlling the first fan, the second fan, the air ejection mechanism, the horizontal air guiding bar, the perpendicular air guiding bar and the compressor. According to the control method provided by the embodiment of the invention, the fans, the air ejection mechanism, the horizontal air guiding bar, the perpendicular air guiding bar and the compressor can be controlled according to the wind-grade signal, so that not only is a comfortable and natural bathing type wind field state created, but also a user can flexibly select a wind grade according to the position where the user is located, and different refrigeration demands of the user can be met.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD

Air conditioner and control method and device thereof

The invention discloses an air conditioner and a control method and device thereof. The air conditioner comprises a first fan, a second fan, an air guide mechanism and a top air outlet mechanism, wherein the top air outlet mechanism is arranged at the top of an indoor unit of the air conditioner in an up and down movable mode, and the air guide mechanism comprises a horizontal air guide strip anda vertical air guide strip. The control method comprises the following steps of under a refrigeration mode, receiving an opening instruction of a shower air mode, and controlling the air conditioner to operate in the shower air mode; obtaining the outdoor environment temperature; and determining a target frequency limited value of a compressor according to the outdoor environment temperature. According to the control method, the working states of the first fan, the second fan, the top air outlet mechanism, the horizontal air guide strip and the vertical air guide strip are enabled to match with the shower air mode in the operation process of the air conditioner, the compressor is controlled to operate in a frequency limited mode according to the obtained outdoor environment temperature, and the comfortable and natural shower type air field state is created so that the cooling effect can be ensured while the indoor comfort is ensured.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD

Control method of air conditioner

The invention discloses a control method of an air conditioner. The air conditioner comprises a casing, a heat exchanger assembly, a first fan assembly and an electrical auxiliary thermal assembly, wherein a first heat exchanger, the first fan assembly and first electric auxiliary heat are respectively arranged in a first air channel, a fresh air inlet is opened in a first operating mode, so thatfresh air enters the first air channel, and the first electric auxiliary heat is turned on when a first opening condition is satisfied. According to the control method of the air conditioner, the heating capability of the air conditioner can be increased, and the energy consumption of the whole air conditioner is reduced.
Owner:MIDEA GRP CO LTD +1

A kind of building interior decoration purple sand paint and preparation method thereof

ActiveCN105294062BEfficient killingHelps regulate microcirculationClaywaresPotassiumSilicon oxide
The invention relates to building paint and a preparation method thereof, in particular to a building interior decoration purple sand paint and a preparation method thereof. The paint is composed of the following ingredients by weight percent: 61.40% of silicon oxide, 20.16% of aluminum oxide, 7.74% of iron oxide, 0.64% of calcium oxide, 0.07% of sodium oxide, 1.31% of potassium oxide, 1.46% of magnesium oxide, 1.10% of titanium oxide and 6.12% of ignition loss. The preparation method comprises the following steps: firstly, firing purple sand ore for 6 h after being naturally weathered for 6 months; crushing fired slaked purple sand material, screening through sieves, dividing the screened material into four paint raw materials, namely 80-mesh paint raw material, 100-mesh paint raw material, 150-mesh paint raw material and 200-mesh paint raw material, for standby application, and uniformly stirring according to the ratio that 80 kg of redispersible latex powder is added into 1 ton of purple sand slaked powder. The purple sand paint has an obvious comprehensive effect, particularly, can purify air, eliminate formaldehyde and peculiar smell and sterilize, facilitates human body microcirculation regulation, and is scientific and reasonable in preparation process and excellent in conditions.
Owner:喀左县玉龙紫砂艺术品制造有限公司

Building interior decoration purple sand paint and preparation method thereof

ActiveCN105294062AEfficient killingHelps regulate microcirculationClaywaresPotassiumSilicon oxide
The invention relates to building paint and a preparation method thereof, in particular to a building interior decoration purple sand paint and a preparation method thereof. The paint is composed of the following ingredients by weight percent: 61.40% of silicon oxide, 20.16% of aluminum oxide, 7.74% of iron oxide, 0.64% of calcium oxide, 0.07% of sodium oxide, 1.31% of potassium oxide, 1.46% of magnesium oxide, 1.10% of titanium oxide and 6.12% of ignition loss. The preparation method comprises the following steps: firstly, firing purple sand ore for 6 h after being naturally weathered for 6 months; crushing fired slaked purple sand material, screening through sieves, dividing the screened material into four paint raw materials, namely 80-mesh paint raw material, 100-mesh paint raw material, 150-mesh paint raw material and 200-mesh paint raw material, for standby application, and uniformly stirring according to the ratio that 80 kg of redispersible latex powder is added into 1 ton of purple sand slaked powder. The purple sand paint has an obvious comprehensive effect, particularly, can purify air, eliminate formaldehyde and peculiar smell and sterilize, facilitates human body microcirculation regulation, and is scientific and reasonable in preparation process and excellent in conditions.
Owner:喀左县玉龙紫砂艺术品制造有限公司

A heat pump air conditioner using electric auxiliary heat to improve defrosting and dehumidification effects

The invention discloses a heat pump air conditioner, which includes an outdoor unit, an indoor unit, a gas pipe and a liquid pipe, the outdoor unit and the indoor unit are connected through the gas pipe and the liquid pipe, the indoor unit includes a casing, and the casing is provided with an air inlet and an outlet. In the air outlet, an indoor fan, an indoor heat exchanger and an electric heater are arranged in the casing, an air inlet grille for closing or opening the air inlet is arranged on the air inlet, and a grille for closing or opening the air outlet is arranged on the air outlet. Air outlet grille, when the air conditioner reverse cycle defrosting, the control will turn on the electric heater, and drive the air inlet and outlet grille to close the air inlet and outlet, so that the air inside the cabinet is isolated from the indoor air. Driven by the fan, the circulating air can quickly transfer the heat generated by the electric heater to the low-temperature refrigerant through the finned tube heat exchanger, which can not only quickly remove the frost, but also prevent the low-temperature refrigerant from absorbing heat from the room , improve indoor comfort, and apply the present invention can also improve the dehumidification effect of the air conditioner.
Owner:QINGDAO ECONOMIC & TECHN DEV ZONE HAIER WATER HEATER

Multi-connected direct-expansion all-air fresh air dehumidification system

The invention discloses a multi-connected direct-expansion all-air fresh air dehumidification system in the field of indoor air purification. Themulti-connected direct-expansion all-air fresh air dehumidification system comprises an outdoor unit and indoor evaporation dehumidification units, the outdoor unit is connected with a distribution box and a main control screen, the outdoor unit is connected with the multiple indoor evaporation dehumidification units in parallel, and the indoor evaporation dehumidification units are connected with indoor sub-control screens. Each indoor evaporation dehumidification unit comprises an outdoor fresh air inlet pipe, an indoor air return pipe, an evaporator, a reheater, a fan, an indoor air supply pipe and a temperature and humidity detection module, wherein an air pipe heat exchange pipe is arranged in the evaporator. The air pipe heat exchange pipes and liquid pipe heat exchange pipes are matched, the temperature and the humidity are controlled through two independent electronic expansion valves correspondingly, it can be guaranteed that dehumidification can be achieved after the room temperature reaches a set value, the indoor temperature is not reduced, the indoor comfort is guaranteed, a reheating coil is additionally arranged on each evaporator, the reheating function is achieved through waste heat of condensers, the purpose of dehumidification is achieved, waste heat can be utilized, and the energy utilization rate is increased.
Owner:杭州弗迪沃斯电气有限公司

Air conditioner and its control method and device

The application discloses an air conditioner and its control method and device. The air conditioner includes a first fan, a second fan, an air guide mechanism and a top air outlet mechanism. The top air outlet mechanism can be moved up and down on the air conditioner The top of the indoor unit of the air conditioner, the air guide mechanism includes horizontal air guide strips and vertical air guide strips, and the control method includes: in the cooling mode, receiving the start command of the shower air mode, and controlling the air conditioner to perform the shower Running in wind mode; obtaining the outdoor ambient temperature; determining the target frequency limit value of the compressor according to the outdoor and internal ambient temperature. This method can match the working state of the first fan, the second fan, the top air outlet mechanism, the horizontal air guide strip and the vertical air guide strip with the shower wind mode during the operation of the air conditioner, and according to the acquired outdoor environment Temperature, control the frequency limit operation of the compressor, and create a comfortable and natural bathing wind field state, thus ensuring indoor comfort and cooling effect at the same time.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD

Control method of supply air temperature for variable air volume air conditioning system

The embodiment of the invention provides an air supply temperature control method of a variable-air-volume air conditioning system. The air supply temperature control method includes the steps that actual air supply quantities of multiple terminal devices of the variable-air-volume air conditioning system are collected; the percentages of the actual air supply quantities accounting for the maximumdesigned air supply quantity are obtained; an area with the percentage being the minimum designed air supply quantity is determined as the area with the minimum load; the minimum designed air supplyquantity of the area with the minimum load is increased by one increment to form a set value of the air supply quantity; a set value of the air supply temperature is determined according to the set value of the air supply quantity; and the actual air supply temperature is controlled to be the set value of the air supply temperature. The air supply temperature is increased in an air handling unit,control over the air supply quantity of the area with the minimum load is separated from a forced minimum value, and thus there is no need of adopting an electric heating mode at the terminal devicesfor heating supplied air, and the energy saving effect is achieved under the condition of guaranteeing the indoor comfort.
Owner:BEIJING UNIV OF CIVIL ENG & ARCHITECTURE +1

Indoor decorating bentonite paint for building and preparation method thereof

InactiveCN106747163ARemove formaldehydeEliminate odorEmulsionAntimony
The invention provides an indoor decorating bentonite paint for a building and a preparation method thereof, relates to a building paint and a preparation method thereof. The bentonite sludge comprises the following components in percentage by weight: 90% of montmorillonite with whiteness of 85%, expanded ratio of 30% and colloid index of 99ML / 3g, 61% of silicon dioxide (SiO2), 1% of ferric oxide (Fe2O3), 14% of aluminum oxide (Al2O3), 0.01% of calcium oxide (CaO), 0.1% of magnesium oxide (MgO), 1.5% of potassium oxide (K2O), 2.9% of sodium oxide (Na2O) and 0.53% of antimony dioxide(SbO2), wherein the ignition loss is 5.92%. The preparation method comprises the following steps: firing bentonite ores; and crushing the fired bentonite clinker, screening, and uniformly stirring with redispersible emulsion powder according to a certain ratio. The bentonite paint provided by the invention has an obvious comprehensive effect, especially has the effects of purifying air, removing formaldehyde, eliminating peculiar smell, sterilizing and disinfecting, and is beneficial to human body microcirculation regulation. The preparation process is scientific, reasonable and excellent in conditions.
Owner:徐振海

Air conditioner and its control method and device

The application discloses an air conditioner and its control method and device. The air conditioner includes a first fan, a second fan, a compressor, an air guiding mechanism and a top outlet mechanism. The top outlet mechanism can be moved up and down on the air conditioner. The top of the indoor unit, the air guide mechanism includes horizontal air guide strips and vertical air guide strips, the method includes: in the cooling mode, receiving the opening command of the non-wind sense mode; controlling the top air outlet mechanism to rise to the preset highest position , adjust the horizontal air guide strip and vertical air guide strip to the maximum opening angle; obtain the current indoor temperature; control the first fan, the second fan and the compressor according to the indoor temperature and the set temperature of the air conditioner. The method can make the working state of the first fan, the second fan and the compressor match with the windless mode during the operation of the air conditioner, thereby creating a comfortable and natural wind field state without wind, thereby ensuring indoor comfort. At the same time, it can also ensure the cooling effect.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD

Air Conditioning System

The present invention provides an air-conditioning system, which includes a throttling guide assembly, which is arranged between an indoor heat exchanger and an outdoor heat exchanger. The throttling guide assembly controls the high-temperature gaseous refrigerant to selectively circulate the refrigerant in different modes. Distribution, entering different heat exchangers; when cooling, the throttling guide assembly makes the refrigerant pass through the first outdoor heat exchanger and the second outdoor heat exchanger successively and then throttling; when heating, the throttling guide assembly diverts the refrigerant , part of the refrigerant enters the first outdoor heat exchanger, part of it enters the second outdoor heat exchanger, and finally all the refrigerant enters the first outdoor heat exchanger; the first port of the first outdoor heat exchanger is connected to the compressor, and the first outdoor heat exchanger The second port of the heat exchanger communicates with the throttling guide assembly; both the first port and the second port of the second outdoor heat exchanger communicate with the throttling guide assembly, and the second port of the second outdoor heat exchanger is simultaneously connected to to the piping between the compressor and the indoor heat exchanger. Solved the problem of frosting when heating.
Owner:GREE ELECTRIC APPLIANCES INC

Control method and device for fresh air conditioning system and fresh air conditioning system

A control method for the fresh air conditioning system is applied to the fresh air conditioning system. The fresh air conditioning system comprises an indoor unit and an outdoor unit, the indoor unit comprises an indoor fan, and the outdoor unit comprises a compressor, an expansion valve and an outdoor fan. The indoor fan, the compressor, the expansion valve and the outdoor fan are executing mechanisms of the fresh air conditioning system. The method comprises the following steps that indoor and outdoor temperature parameters and indoor and outdoor humidity parameters are acquired when the fresh air exchange function is started; and according to the indoor and outdoor temperature parameters and the indoor and outdoor humidity parameters, operation parameters of one or more target executing mechanisms in the executing mechanisms are corrected, so that the target executing mechanisms operate according to the corrected operation parameters. According to the control method and device for the fresh air conditioning system and the fresh air conditioning system, when the fresh air exchange function is started, the high temperature rising speed or the high temperature lowering speed can be maintained, and indoor comfort can be guaranteed.
Owner:XIAOMI TECH (WUHAN) CO LTD +1

Spraying cooling method and cooling system for thick and large cavity transparent film lighting roof

The invention discloses a spraying cooling method and cooling system for a thick and large cavity transparent film lighting roof. According to the spraying cooling method for the thick and large cavity transparent film lighting roof, starting and stopping of a spraying pump are determined according to the factors such as the working time, the temperature of the outer surface of the roof and the lowest temperature maintained by the outer surface of the roof through single spraying, thus, under the condition that the comfort of indoor personnel is ensured, the cooling effect and energy-saving potential of the thick and large cavity transparent film lighting roof are improved, multiple targets such as thermal comfort of the indoor personnel and energy and water saving of a building are achieved, and the initial investment of equipment such as a water storage tank and a water pump can be reduced.
Owner:SOUTH CHINA UNIV OF TECH

Air conditioner and its control method and device

The application discloses an air conditioner and its control method and device. The air conditioner includes a first fan, a second fan, an air guide mechanism and a top air outlet mechanism. The top air outlet mechanism can be moved up and down on the air conditioner The top of the indoor unit of the device, the air guide mechanism includes horizontal air guide strips and vertical air guide strips, the method includes: in the cooling mode, receiving an instruction to turn on the shower air mode; obtaining the current indoor temperature; according to the indoor The temperature and the set temperature of the air conditioner control the first fan, the second fan, the top outlet mechanism, the horizontal air guide strip and the vertical air guide strip. This method can make the working state of the first fan, the second fan, the top air outlet mechanism, the horizontal air guide strip and the vertical air guide strip match with the shower wind mode during the operation of the air conditioner, creating a comfortable and natural bathing environment. The state of the wind field ensures the indoor comfort and the cooling effect at the same time.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD

How to control the air conditioner

The invention relates to the technical field of air conditioning, in particular to an air conditioner control method. The invention aims to solve the problem of poor user experience existing in existing air conditioners with a fresh air function. For this purpose, the control method of the air conditioner of the present invention includes: obtaining the indoor carbon dioxide concentration; when the carbon dioxide concentration is greater than the first preset value, obtaining the operating state of the air conditioner; based on the obtained result, selectively controlling the temperature adjustment unit and / or the fresh air unit is running. Through the above control method, the air conditioner control method of the present invention can jointly control the temperature adjustment unit and the fresh air unit when the indoor carbon dioxide concentration is too high, so as to ensure indoor comfort and improve user experience.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
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