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3471results about "Condensate prevention" patented technology

Anti-condensation control method and device for air conditioner

The invention provides an anti-condensation control method and device for an air conditioner. The control method comprises the steps that after it is detected that the air conditioner is in a refrigeration mode, the temperature and the relative humidity of the inner environment where an air conditioner indoor unit is located and the heat exchanger coiler temperature of the indoor unit are detected; the dew point temperature of the indoor environment where the indoor unit is located is calculated according to the indoor environment temperature and the indoor environment relative humidity; if the indoor environment temperature is larger than or equal to the indoor environment temperature preset threshold value, the indoor environment relative humidity is larger than or equal to the indoor environment relative humidity preset threshold value and the heat exchanger coil temperature of the indoor unit is smaller than the indoor environment dew point temperature, whether the first anti-condensation mode or the second anti-condensation mode of the air conditioner is started is determined according to the comparison result of the difference value of the heat exchanger coil temperature and the indoor environment dew point temperature of the indoor unit and the preset temperature difference value. By the adoption of the anti-condensation control method and device, the anti-condensation control accuracy of the air conditioner is improved, and the air conditioner is prevented from generating condensation.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1

Condensation prevention method for air conditioner, controller, system and air conditioner

The invention provides a condensation prevention method for an air conditioner, a controller, a system and the air conditioner, and relates to the technical field of air conditioners. The condensation prevention method for the air conditioner comprises the steps that whether an air deflector reaches the condensation critical condition or not is judged according to at least one of the temperature of the air deflector and the set refrigeration temperature, the environment temperature and the ambient humidity, wherein the condensation critical condition comprises the critical temperature difference when condensation occurs under each humidity condition; and if the air deflector reaches the condensation critical condition, the condensation prevention mode is started. According to the method, whether the condition for generating condensation is reached or not can be judged according to the ambient humidity, the temperature, the temperature of the air deflector and the set refrigeration temperature, generation of the condensation can be determined in time, the air conditioner is adjusted to enter the condensation prevention mode under the condition that the condensation is determined to be generated, and therefore the generation of the condensation on the air deflector of an indoor unit can be reduced.
Owner:GREE ELECTRIC APPLIANCES INC

Defrosting control method and defrosting control device for outdoor unit of air conditioning unit as well as air conditioning system

The invention discloses a defrosting control method and a defrosting control device for an outdoor unit of an air conditioning unit as well as an air conditioning system. The method comprises the following steps: obtaining an environment temperature of the outdoor unit, a tube temperature of the outdoor unit and operation current of an outdoor fan; when the operation current of the outdoor fan reaches a preset current value and the tube temperature reaches a preset defrosting temperature, controlling the air conditioning unit to start defrosting; determining the preset defrosting temperature by the environment temperature; when the time that the operation current of the outdoor fan reaches the preset current value exceeds the first preset time, controlling the air conditioning unit to start defrosting; obtaining the operation current of the outdoor fan after the air conditioning unit starts defrosting; and when the operation current of the outdoor fan is smaller than the preset current value after the air conditioning unit starts defrosting, controlling the air conditioning unit to stop defrosting. According to the technical scheme provided by the invention, the heating comfort of the air conditioning unit can be improved.
Owner:GREE ELECTRIC APPLIANCES INC

Self-cleaning control method for air conditioners

The invention discloses a self-cleaning control method for air conditioners. The self-cleaning control method includes enabling the air conditioners to detect outdoor environmental temperatures, detecting the temperatures of inlets and outlets of outdoor heat exchangers or detecting the cumulative run time of compressors; enabling the air conditioners to carry out heating running to allow frost to condense on the outdoor heat exchangers when the outdoor environmental temperatures are lower than or equal to preset outdoor temperatures and temperature difference between the inlets and the outlets of the outdoor heat exchangers is lower than or equal to preset temperature difference or the cumulative run time of the compressors is longer than or equal to preset run time; switching the air conditioners into a refrigerating mode. The self-cleaning control method for the air conditioners has the advantages that the air conditioners carry out heating running to allow the frost to condense on the outdoor heat exchangers and then are switched into the refrigerating mode to defrost the outdoor heat exchangers, accordingly, dust accumulated on the outdoor heat exchangers can be cleaned by condensed water generated after the outdoor heat exchangers are defrosted and can be effectively reduced, heat exchange effects of the air conditioners can be effectively improved, and energy consumption can be reduced.
Owner:MIDEA GRP CO LTD

Method and device for controlling heat exchange temperature, collecting condensed water and cleaning air conditioner

The invention relates to a method and a device for controlling heat exchange temperature, collecting condensed water and cleaning an air conditioner. A heat exchanger in the air conditioner is utilized for condensing water vapor in the air conditioner into liquid-state water; dirt attached to the surface of the heat exchanger is cleared away; the surface temperature, used for condensation, of the heat exchanger is determined according to the current environment temperature and the current environment humidity, and is used as the expected temperature; the temperature of the heat exchanger is regulated and is maintained at the expected temperature through regulating the rotating speed of a compressor and the rotating speed of a fan in the air conditioner. Through analyzing the influence of the environment temperature and the environment humidity on the dew point, the optimum temperature of the heat exchanger in the current environment is determined, and sufficient condensed water is obtained for clearing dust and dirt on the surface of the heat exchanger. When the practical temperature of the heat exchanger is not consistent with the optimum temperature, the rise or the reduction of the surface temperature of the heat exchanger is realized through regulating the rotating speed of the compressor and the rotating speed of the fan, the surface temperature of the heat exchanger is maintained at the determined optimum temperature, and the water vapor in the air conditioner is condensed into liquid-state water.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD

Communication equipment room energy-conserving system

The invention discloses an energy-saving system in a communication room, which improves the refrigeration efficiency of the air conditioner, has good energy-saving effect, saves the running cost and prolongs the service life of the air conditioner. The energy-saving system comprises a precise air conditioner (30), a control device (70), a relay (71), a water box (3) and a supercharging pump (4); the precise air conditioner (30) comprises an outdoor condenser (1), an indoor evaporator (2) and a heat dissipation fan (10); the water box (3) is connected with a water inlet pipe (5) which is provided with a water inlet valve (51); the water inlet of the supercharging pump (4) is communicated with the water box (3); the water outlet of the supercharging pump (4) is divided into two passages: one passage is connected with a plurality of atomizing spray heads (7) and the pipeline is provided with a spraying electromagnetic valve (61); the other passage is connected with a plurality of cleaning spray-head (8) and the pipeline is provided with the cleaning electromagnetic valve (62); and the positions of the spraying electromagnetic valve (61) and the cleaning electromagnetic valve (62) correspond to the fin of the outdoor condenser (1). The energy-saving system can be widely applied to the energy-saving field of the communication system.
Owner:珠海横琴博信能源建设有限公司

Anti-condensation control method, anti-condensation control system and air conditioner

The invention provides an anti-condensation control method, an anti-condensation control system and an air conditioner. The anti-condensation control method comprises the following steps: judging whether a work mode of the air conditioner is a refrigeration mode or a dehumidification mode or not; judging whether the outdoor environment temperature of the air conditioner belongs to a first threshold value interval or not; judging whether the indoor environment temperature of the air conditioner belongs to a second threshold value interval or not; judging whether the operation time of the compressor of the air conditioner is greater than or equal to preset operation time or not; when the work mode is the refrigeration mode or the dehumidification mode, the outdoor environment temperature belongs to the first threshold value interval, the indoor environment temperature belongs to the second threshold value interval and the operation time of the compressor is greater than or equal to the preset operation time, controlling the air conditioner to enter an anti-condensation work mode. According to the technical scheme, condensation can be avoided while a situation that the air conditioner does normal refrigeration work or dehumidification work, and the situation that the reliability of the air conditioner is lowered and the like due to the generation of the condensation is avoided.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1

Anti-condensation control method and anti-condensation control device for electronic control on refrigerant heat dissipation of air conditioner

The invention discloses an anti-condensation control method for electronic control on the refrigerant heat dissipation of an air conditioner. The anti-condensation control method comprises the following steps: an environment temperature T1 and a refrigerant heat dissipation pipe temperature T2 are acquired, and the temperature difference value t between the environment temperature T1 and the refrigerant heat dissipation pipe temperature T2 is calculated; if the temperature difference value t is greater than a first preset temperature, the opening degree of an electronic expansion valve of an outdoor unit is controlled to be increased in a preset control manner; and because the opening degree of the electronic expansion valve of the outdoor unit is increased, interception for a refrigerant is reduced and then the flow rate of the refrigerant is increased, the refrigerant flows through a refrigerant heat dissipation pipe and then the refrigerant heat dissipation pipe temperature T2 rises, and the temperature difference value t is reduced in the case of the invariable environment temperature T1, so that an electronic control board is prevented from generating condensation. The invention further discloses an anti-condensation control device for electronic control on the refrigerant heat dissipation of an air conditioner. The method and the device solve the problem that the electronic control board generates dew to influence the electronic control reliability when the refrigerant heat dissipation pipe temperature is lower than a dew point temperature during the running of the air conditioner.
Owner:GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1

Condensate water generating method and cleaning method of air conditioner and air conditioner

The invention discloses a condensate water generating method and cleaning method of an air conditioner and the air conditioner. The operation frequency corresponding to the current outdoor environment temperature and target temperature are determined by obtaining the current outdoor environment temperature and according to the corresponding relation among the preset outdoor environment temperature, the operation frequency and the target temperature; the air conditioner is controlled to conduct refrigeration operation according to the determined operation frequency; and the air volume of the air conditioner is adjusted according to the current surface temperature of an indoor heat exchanger, so that the surface temperature of the indoor heat exchanger is within the temperature range corresponding to the determined target temperature, and condensate water is generated. In this way, in the condensate water generating process, the more proper operation frequency and target temperature are determined according to the current outdoor environment temperature, the surface temperature of the indoor heat exchanger is controlled to be within the temperature range corresponding to the target temperature, and condensate water is generated more easily and efficiently under the current outdoor environment temperature, and the condensate water generating efficiency is effectively improved.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1

Method and device for discharging condensate water for heating, ventilating or air conditioning system

The invention discloses a method and device for discharging condensate water for a heating, ventilating or air conditioning system and relates to the field of heating ventilation air conditioning. The method and device solves the problem that the system stops operating due to the fact that a single water discharging pump is used, and the reliability of system operation is improved. The method for discharging the condensate water includes: detecting liquid level height of the condensate water in a water receiving plate, and the water receiving plate is used for collecting the condensate water generated on a heat exchanger; when the liquid level height of the condensate water is detected to be higher than a preset first high liquid level, a main water discharging pump is controlled to be opened to discharge water; and when time during which the liquid level height of the condensate water is higher than the preset first high liquid level is detected to exceed first preset time or the liquid level height of the condensate water is detected to be higher than a preset second high liquid level, a spare water discharging pump is controlled to be opened to discharge water, and the preset second high liquid level is higher than the preset first high liquid level.
Owner:HUAWEI DIGITAL POWER TECH CO LTD

Integrated air conditioner and condensed water processing method for integrated air conditioner

The invention discloses an integrated air conditioner and a condensed water processing method for the integrated air conditioner. The integrated air conditioner comprises an indoor water receiving plate, a drainage device connected with the indoor water receiving plate and used for leading the condensed water in the indoor water receiving plate to the outer side walls of multiple rows of condensers of the integrated air conditioner, the multiple rows of condensers used for heating condensed water on the outer side walls to at least vaporize part of the condensed water, a water tank arranged on a chassis of the integrated air conditioner and used for receiving non-vaporized condensed water on the outer side wall, and a water beating motor which comprises a plurality of water beating wheels and is used for beating the non-vaporized condensed water to the outer side walls of the condensers through the water beating wheels so as to enable the multiple rows of condensers to vaporize the non-vaporized condensed water again. By means of the technical scheme, the condensed water in the integrated air conditioner can be discharged automatically, and a user is protected from manually discharging the condensed water.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1

Air conditioner control method

The invention discloses an air conditioner control method. The method comprises the steps that 1, the outdoor environment temperature T1 and the temperature T2 of an electrically controlled radiator are detected, the dew-point temperature Td of the outdoor environment is obtained by means of the outdoor environment temperature T1 and relative humidity RH, and comparison is conducted on the dew-point temperature Td and the temperature T2; 2, when T2-Td<delta T1, under the refrigeration working condition, the opening of a first throttling element is increased, and the opening of a second throttling element is decreased; under the heating condition, the opening of the first throttling element is decreased, and the opening of the second throttling element is increased; when delta T2>=T2-Td>=delta T1, the opening of the first throttling element and the opening of the second throttling element are not changed; when T2-Td>delta T2, under the refrigeration working condition, the opening of the first throttling element is decreased, and the opening of the second throttling element is increased; under the heating condition, the opening of the first throttling element is increased, and the opening of the second throttling element is decreased. By means of the air conditioner control method, it can be guaranteed that electronic controlled components are used safely, and the service life of an air conditioner is prolonged.
Owner:WUHU MATY AIR CONDITIONING EQUIP CO LTD
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