3471results about "Condensate prevention" patented technology

The invention discloses a cleaning control method for an indoor heat exchanger of an air conditioner. The cleaning control method includes the steps that when the air conditioner gets into the automatic cleaning mode, the refrigeration mode is started; evaporating temperature is reduced to enable water in air to be condensed into frost or thin ice on the indoor heat exchanger; after the air conditioner continuously runs in the refrigeration mode for set refrigeration time, the running mode of the air conditioner is switched to the heating mode from the refrigeration mode so that the frost or the thin ice on the heat exchanger can be thawed to clean the heat exchanger. The invention further discloses the air conditioner. By means of the cleaning control method and the air conditioner, automatic cleaning of the indoor heat exchanger of the air conditioner can be achieved, and therefore it can be avoided that the heat exchange efficiency of the heat exchanger is reduced.

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.

A forced air cooling tower includes an upright casing, and elevated water distribution system disposed in an upper portion of the casing and one or more fans for drawing air through the tower. The tower also includes a catch basin for collecting the cooled air and a pump for circulating the cooled water through a condenser and back to the top of the tower and to the water distribution system. The cooling tower also includes a controller and a variable frequency device for regulating the flow of air through the tower. A first temperature sensor senses the temperature T1 of the hot process water delivered to the water distribution system and a second sensor senses the dry bulb temperature of the air leaving the tower Tdbt2. A third sensor senses the temperature of the cooled water leaving the tower. The controller such as a computer and variable frequency drive controls the speed of the fan to minimize the difference in T1 and Tdbt2. A submaster control prevents the fan speed from being further reduced when a predetermined T2 (temperature of the cooled water) is reached.

A condensate drain pan comprises a compound-sloped floor surface having intersecting sloped faces which slope from a high point to a low point. The intersecting sloped faces form creases therebetween to facilitate condensate elimination, and the floor surface includes condensate directing embossments which further facilitate condensate elimination. The condensate drains to a drain opening at the low point.

A portable, combination dehydrator, dry return air and condensed water generator/dispenser configured to alternately provide water from a reservoir of condensed water or from an alternative source of water. In one embodiment, the alternative source comprises a five-gallon bottle of water and the mounting for the bottle includes a removable cover for preventing contamination of the system when the bottle is not in place. In one embodiment, the system provides purified dry make-up air to a home or office air conditioning system and dehydration cabinet, while producing pure atmospheric condensation from humidity found in the air and purifying the air and water for breathing, dispensing and drinking purposes.

A system for providing liquid refrigerant subcooling by means of evaporative cooling utilizing the condensate water of said air conditioner, refrigeration/heat pump system and/or other water supply to wet the surface of the subcool heat exchanger and pass the dry exhaust air across the wetted surface of the subcool heat exchanger. A system for providing hot gas discharge refrigerant precooling into the primary condenser of an air conditioner, refrigeration or heat pump system by evaporative cooling utilizing the condensate water of said system and/or other water supply to wet the surface of the precool heat exchanger and then passing the cold, dry exhaust air across the wetted surface of the precool heat exchanger. A combination subcooler/precooler system where the cold dry building exhaust air is used to evaporatively subcool the liquid refrigerant in the water wetted (or dry) subcooler and then used to conductively cool the hot gas refrigerant.

A condensate pump for an HVAC system includes a reservoir for collecting condensate water, a pump motor connected to an impeller pump for pumping the condensate water out of the reservoir, and a floatless pump control module. The floatless pump's microcontroller detects the water level in the reservoir and, based on the water level in the reservoir, controls the operation of the pump motor, and if necessary, sounds an alarm and shuts down the HVAC system. The floatless pump microcontroller may employ an ultrasonic transducer or capacitance sensors to detect the level of condensate water in the reservoir. The microcontroller implements a variable water lift feature to pump the water using the lowest possible speed for the pump. The microcontroller implements a self-cleaning feature to pump stagnant water out of the reservoir and to pulse water in the drain line and the agitation of the water in the reservoir. The microcontroller implements an anti-clog feature to clear a clogged drain line when an overflow condition is detected.

A variable speed air handling system for cooling and/or heating a room and a method of controlling the system. The system includes a fan assembly to transport air from the system into the room, the fan assembly having a substantially continuously adjustable speed within a range of speeds defined by a predetermined upper limit and a predetermined lower limit. A user interface transmits a signal in response to a desired speed of the fan assembly input by an operator via the user interface. The system further includes a control unit to substantially continuously adjust the speed of the fan assembly to a speed in the range of speeds in response to the signal transmitted by the user interface, and a climate control unit for heating and/or cooling the air to be transported from the air conditioner by the fan assembly.

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.

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.

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.

A condensate overflow prevention assembly prevents condensate overflow in an air cooling system using a fluid level sensor and a pump activated by the fluid level sensor to pump the condensate away from a drainage system when a blockage occurs in the drainage system.

A drying apparatus has a heat pump apparatus having a compressor, a radiator, an expansion mechanism and an evaporator connected in this order via pipes through which a refrigerant is circulated. The drying apparatus has a structure in which drying air heated in the radiator is introduced into a subject to be dried, drying air obtained by removing moisture or water from the subject to be dried is cooled and dehumidified by the evaporator, and then the drying air is reheated in the radiator to be reused as renewed drying air. The drying apparatus also has a structure in which drain water generated by dehumidifying the drying air in the evaporator is dropped or sprayed into the radiator.

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.

A condensate secondary pan for a central air conditioning system is herein disclosed whereby overflow protection of the primary condensate removal system for a fan coil unit of a central air conditioning system is realized. The secondary pan is positioned directly beneath the primary pan of the central air conditioning system to convey condensate safely outside an enclosure should the primary pan overflow due to clogging of the primary drain line, or leak due to cracks or fissures formed in the primary pan. The condensate secondary pan has a predetermined girth sufficient to extend laterally beyond the primary pan of a conventional fan coil unit. The condensate secondary pan also has a bottom panel which is frustoconical in shape, thus minimizing the pooling of condensate on its surface as well as an integral drain pipe connecting means, thereby eliminating the need for a superfluous user supplied connecting means which is typically made of metal and thus is susceptible to corrosion.

System and method are provided for removing condensate from an air-to-liquid heat exchanger of a combined air/liquid enclosed apparatus for cooling rack-mounted electronic equipment. The condensate removal system includes a condensate collector for collecting liquid condensate from the air-to-liquid heat exchanger, and a vaporizing chamber in fluid communication with the condensate collector for receiving collected liquid therefrom. An actively controlled vaporizer vaporizes collected liquid within the vaporizing chamber and a vapor exhaust is in communication with the vaporizing chamber for venting vapor from the vaporizing chamber outside the cabinet containing the combined air/liquid cooling apparatus and rack-mounted electronic equipment.

The invention is applicable to the technical field of refrigerating and provides a method and device for preventing condensation of a refrigerating device. The method includes: calculating the current condensation point temperature according to the current environment temperature and humidity; judging whether condensation risks exist or not according to the current condensation point temperature; if so, performing condensation prevention. By the method, an air outlet of an air conditioner condensates easily in the prior art can be solved.

The invention discloses an air conditioner control method, belongs to the field of an anti-condensation control method of an air conditioning device and is designed for solving the problems of high cost, poor practicability and the like of the existing method. The air conditioner control method comprises the following steps: when judging that an air conditioner is in a refrigeration mode, substituting an inner pipe temperature value Tn detected by a first thermometer bulb of an indoor unit into a formula, namely a wet bulb temperature Ts=A* inner pipe temperature value Tn+B, so as to obtain the wet bulb temperature Ts, wherein A and B are constant numbers, the A belongs to [-10,10] and the B belongs to [-20,20]; obtaining a relative humidity value S by checking a psychrometric chart or checking a table composed of dry bulb temperatures Tg and wet bulb temperatures Ts in the psychrometric chart; and when the relative humidity value S is more than or equal to 60%, enabling the air conditioner to enter an anti-condensation operation mode. The air conditioner control method can be used for accurately judging according to an actual working environment of the air conditioner and has strong practicability and good anti-condensation effect.

Disclosed is an indoor unit for an air conditioner to smoothly drain condensed water to the outside regardless of an installation state of the indoor unit. The indoor unit includes: a heat exchanger for performing heat exchange; a drain pan for collecting and draining condensed water generated in the heat exchanger; and two or more drain parts formed in the drain pan and through which the condensed water is drained.

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.

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.

A drain pan for capturing condensate from a cooling coil in an air conditioning system is configured to facilitate condensate drainage from the pan and to inhibit accumulation of condensate therein. The pan includes troughs for collecting condensate and for channeling the condensate to the front part of the pan where the drain openings are located. A back trough has a central hump to enhance the flow of condensate from the back trough in both directions into opposed side troughs. The side troughs are sloped from back to front to conduct the condensate into a front trough to faciliate drainage from the pan. The lowermost portion of the front trough region is defined by a relatively narrow, non-flat area to reduce the amount of condensate residue in the pan.

The embodiment of the invention discloses an air conditioner with automatic detection and automatic evaporator cleaning functions and a cleaning method thereof. The air conditioner comprises an evaporator, a compressor module, a fan module and a main control module. The compressor module is used for discharging low-temperature liquid refrigerant; after the refrigerant enters the evaporator, condensate is formed at the surface of the evaporator, and the dust at the surface of the evaporator is combined with the condensate. After a relative amount of condensate is formed at the surface of the evaporator and is fully combined with the dust at the surface, the fan module is restarted, and the condensate for condensing the dust is blown away from the evaporator. Then, the dust attached to the surface of the evaporator can be cleaned. A user can periodically enable the air conditioner to automatically clean the evaporator, the detachment of any part is not needed, the relevant professional personnel are not needed, the automatic cleaning is realized, and the convenience in use is provided for the user.

The invention discloses a control method of an air conditioner. The air conditioner comprises a fresh air inlet, an air outlet and a fresh air duct communicated between the fresh air inlet and the airoutlet; and a fresh air draught fan is arranged in the fresh air duct. The control method of the air conditioner includes the following steps that when it is detected that the air conditioner is in afresh air mode, condensation parameters of the air conditioner are acquired in real time or regularly; whether the condensation parameters meet the condensation conditions or not is judged; and whenthe condensation parameters meet the condensation conditions, a rotating speed value of the fresh air draught fan is lowered so as to lower the supply air rate of the fresh air duct. The invention further discloses the air conditioner and a computer readable storage medium. The air conditioner is reasonable in fresh air conveying.

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.

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.

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.

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.

The invention provides an operation control method, a device, an air conditioner and a computer readable storage medium. The operation control method comprises the following steps: when the air conditioner is detected to operate in a heating mode and meets preset conditions, a coiler temperature of an outdoor condenser is obtained; and a rotating speed of an outdoor fan is adjusted according to acorresponding relation between the coiler temperature of the outdoor condenser and a preset temperature range, wherein the coiler temperature of the outdoor condenser is in negative correlation with the rotating speed of the outdoor fan. The operation control method effectively delays the frosting time, prolongs effective operation time length of the heating mode, reduces frequent frosting and defrosting problems of the air conditioner, prolongs the service life, and facilitates to improve the use experiences.

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.