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1696results about How to "Improve dehumidification effect" patented technology

Air conditioner, control method and device for air conditioner and dehumidification control method for air conditioner

The invention discloses an air conditioner, a control method and device for the air conditioner and a dehumidification control method for the air conditioner. The dehumidification control method comprises the steps of detecting an indoor environment temperature T<environment> and the environment humidity phi; when T<environment> - T<set><= a, judging whether phi is lower than or equal to the preset humidity or not, if phi is lower than or equal to the preset humidity, controlling a compressor of the air conditioner to be in a standby mode, if phi is higher than the preset humidity, controlling the frequency of the compressor of the air conditioner with a preset frequency serving as a reference, and changing as per the change rate of the preset frequency; when T<environment> - T<set>> a, judging whether T<environment> is lower than a preset temperature or not, if T<environment> is lower than the preset temperature, controlling the compressor to be in the standby mode, and if T<environment> is higher than or equal to the preset temperature, controlling a fan of the air conditioner to operate. By the aid of the air conditioner, the control method and device for the air conditioner and the dehumidification control method for the air conditioner, the temperature and the humidity are controlled in a combined mode during dehumidification control, so that an air-conditioned room is comfortable and intelligent, and the dehumidification effect of the air conditioner is improved.
Owner:GREE ELECTRIC APPLIANCES INC

Low-condensing-pressure deep supercooling efficient dehumidifier

The invention provides a low-condensing-pressure deep supercooling efficient dehumidifier. The low-condensing-pressure deep supercooling efficient dehumidifier comprises an air flue, a first draught fan and a refrigerating and dehumidifying system. The refrigerating and dehumidifying system comprises an evaporator, a first condenser, a second condenser, a compressor and a throttling device. According to the low-condensing-pressure deep supercooling efficient dehumidifier, a bypass airflow channel is additionally arranged in the air flue between the first condenser and the second condenser, so that the ventilation quantity of the first condenser is increased, and the condensing pressure of refrigerating fluid gas in the condensers is reduced; the first condenser is used for heat release and cooling of a sensible heat portion of the overheated refrigerating fluid gas and heat release, condensation and liquefaction of the refrigerating fluid gas, and the second condenser is used for cooling and supercooling of refrigerating fluid; since a finned thermal bridge between the first condenser and the second condenser is disconnected, the supercooling degree of the refrigerating fluid at the tail end of the second condenser is improved, the vaporization ratio of the refrigerating fluid in the throttling device can be lowered, the evaporation and heat absorption capacity of the refrigerating fluid in the evaporator is improved, and the energy efficiency ratio of the dehumidifier is increased substantially.
Owner:HANGZHOU PREAIR ELECTRICAL APPLIANCE IND

Externally laid masonry composite heat-insulating sintered building block exterior wall heat insulating system

The invention discloses an externally laid masonry composite heat-insulating sintered building block exterior wall heat insulating system, and relates to the technical field of building wall heat insulating and energy saving technology. The system comprises an exterior wall main body structure, a ring beam gutter, a floor gutter, a heat insulating material, I-type main building blocks, II-type main building blocks and the like, wherein the external laid masonry composite heat insulating sintered building blocks are laid and built outside a building exterior wall structure part; the heat insulating material is placed in the sintered building blocks; and an air space is reserved in the building blocks and outside the heat insulating material, and a protective layer is arranged on the outer side. The externally laid masonry composite heat-insulating sintered building blocks consist of main building blocks, corner matching blocks and hole matching blocks, wherein the main building blocks are divided into the I-type main building blocks and II-type main building blocks in category; and the corner matching blocks are divided into external corner matching blocks and internal corner matching blocks. The system has the advantages of easiness, convenience and practicability in building type construction, high construction speed, excellent wall integrity, superior wind resistance to the conventional sandwich heat insulation, factory production of materials and capability of reducing a complex operation process with high probability of causing the quality problem on site.
Owner:SHENYANG JIANZHU UNIVERSITY

Internally-cooled solution dehumidifying fresh air handling unit driven by heat pump

The invention relates to an internally-cooled solution dehumidifying fresh air handling unit driven by a heat pump, which is characterized by comprising a solution circulating system consisting of an internally-cooled dehumidifying module, an internally-thermal regeneration module and an evaporative cooling module, a heat pump system and an evaporative cooling water system, wherein the internally-cooled dehumidifying module is a fresh air channel; the internally-thermal regeneration module and the evaporative cooling module are arranged in parallel to form a regeneration air stream channel; the solution circulating system comprises an interstage solution circulation loop formed by connecting a dehumidifying sprinkler with a regeneration sprinkler through a solution circulating pump, and saline solution is filled into the interstage solution circulation loop; the heat pump system comprises a circulation loop performing heat exchange with solution and a circulation loop performing heat exchange with water, which are formed by connecting a dehumidifying heat exchange tube with a regeneration heat exchange tube and an evaporative cooling heat exchange tube in parallel through a compressor, and refrigeration working media are filled into the two circulation loops; and the evaporative cooling water system comprises a cooling water circulation loop formed by the evaporative cooling sprinkler through a water circulating pump. The internally-cooled solution dehumidifying fresh air handling unit can be widely applied on occasions where dry fresh air is needed to be supplied.
Owner:TSINGHUA UNIV +1

Constant temperature dehumidification control method of air conditioner

The invention relates to a constant temperature dehumidification control method of an air conditioner. The method includes a compressor, a condenser, an outdoor fan, an evaporator, an indoor fan and an auxiliary electric heater. The method comprises the steps of A, enabling the air conditioner to enter a constant temperature dehumidification operation mode, starting the compressor and the auxiliary electric heater, and operating air conditioning system by a refrigerating circulating manner; B, detecting the indoor environmental humidity psi 1 through the air conditioner, and determining the difference to the set humidity psi 2; if the difference is not less than psi, entering step C; if the difference is less than psi, entering step D; C, controlling the indoor fan to rotate at medium rotating speed V, and keeping the auxiliary electric heater and the compressor running; D, controlling the indoor fan to run at a low rotating speed V1, and keeping the auxiliary electric heater and the compressor running; E, stopping the compressor when the indoor environmental temperature psi 1 is reduced to reach the set temperature psi 2, and controlling the indoor fan and the auxiliary electric heater to continuously run for a period of time T, and then stopping the air conditioner. The control method is simple; indoor constant temperature can be ensured while dehumidifying; in addition, the dehumidifying capacity can be increased, the power consumption of the air conditioner in dehumidifying can be decreased, and as a result, the operation efficiency of the air conditioner can be improved.
Owner:HAIER GRP CORP +1

Hybrid refrigeration-turning wheel dehumidification device

The invention relates to a hybrid refrigeration-turning wheel dehumidification device. The advantages of a refrigeration system and a turning wheel are combined; the waste heat of a condenser is fully utilized to provide regenerated heat for the turning wheel; an auxiliary evaporator and an electric heating device are utilized to realize adjusting the air temperature so as to meet the comfort requirement; indoor humid air is humidified for the first step through a main evaporator after being primarily filtered, enters the turning wheel so as to be further humidified, and is then fed into the auxiliary evaporator for being further cooled to be discharged indoors or fed into the electric heating device for being heated to be discharged indoors according to the actual air supply temperature requirement of a user; and the waste heat of the condenser is fully utilized during a regeneration process, so that the heat required to be provided by the electric heating device is effectively reduced. The hybrid refrigeration-turning wheel dehumidification device provided by the invention provides several operating modes such as hybrid internal and external circulation, and when the air humidity is larger, dried air is utilized to directly and thoroughly desorb the turning wheel, so that the moisture absorption performance is ensured. The hybrid refrigeration-turning wheel dehumidification device provided by the invention has the advantages of high efficiency, low consumption, compact structure, good dehumidifying effect, safety, reliability, capability of stably working for a long time, and the like.
Owner:洞口县万美复合材料有限公司

On-line monitoring system and analysis method for volatile organic compounds

The invention belongs to the technical field of monitoring of volatile organic compounds and particularly relates to an on-line monitoring system and analysis method for volatile organic compounds. The on-line monitoring system comprises a data acquisition and transmission control system, a flue gas sampling system, a sample gas transfer pipe, a flue gas pretreatment modulation system, a gas analysis system and a temperature and pressure flow measuring system, wherein the data acquisition and transmission control system comprises a PLC (Programmable Logic Controller), a data acquisition module of the PLC and an industrial personal computer; monitoring configuration software and an SQL Server database are mounted in the industrial personal computer; the flue gas sampling system is connected with the flue gas pretreatment modulation system through the sample gas transfer pipe; and the sample gas transfer pipe is an electric tracing type constant-power sampling pipe and is made of a polytetrafluoroethylene material. The on-line monitoring system for volatile organic compounds is stable in operation, low in fault rate, high in monitoring accuracy, relatively small in error, stable in measurement and relatively low in equipment maintenance cost.
Owner:汇众翔环保科技股份有限公司

Heat pump clothes dryer control method and heat pump clothes dryer

The invention discloses a heat pump clothes dryer control method and a heat pump clothes dryer. The heat pump clothes dryer comprises a heat pump clothes drying system, the heat pump clothes drying system comprises a heat pump module, an auxiliary condenser and an auxiliary condensing fan, the heat pump module comprises a compressor, a main condenser, a throttling device and an evaporator, and the auxiliary condensing fan is used for cooling the surface of the auxiliary condenser and the compressor to adjust the load. The control method of the heat pump clothes dryer includes that different drying stages are divided according to the rotary drum inside humidity detected by a humidity sensor, and the auxiliary condensing fan is controlled to start and stop according to detected different temperature spots of the main condenser at each drying stage, so that the power of the compressor and the temperature of the evaporator are reduced at the later drying stage. According to the heat pump clothes dryer control method and the heat pump clothes dryer, the surface temperature of the main condenser is detected at different drying stages, so that the auxiliary condensing fan is controlled to start and stop, the power of the compressor and the temperature of the evaporator are reduced at the later drying stage, the dehumidification drying effect is improved, besides, the humidity removal is increased at the later drying stage, and the power consumption is reduced.
Owner:QINGDAO HAIER DRUM WASHING MACHINE

Air cooling refrigerator and dehumidifying method thereof

The invention provides an air cooling refrigerator and a dehumidifying method thereof. The air cooling refrigerator comprises a refrigerator body; a refrigeration chamber which is limited in the refrigerator body; an evaporator which cools flowing air; an air supply flue which is configured to supply the air cooled by the evaporator to the refrigeration chamber; an air return flue which is configured to convey the air from the refrigeration chamber to the evaporator for cooling; and at least one semiconductor refrigeration module which has a first temperature change end and a second temperature change end. The first temperature change end of each semiconductor refrigeration module is arranged in the air return flue; and each semiconductor refrigeration module is configured to allow the first temperature change end and the second temperature change end to serve as a refrigeration end for reducing temperature and a heating end for raising the temperature under control, so that the air entering the air return flue flows through the first temperature change end and the evaporator in sequence, and water therein is condensed at the first temperature change end. Before the air with higher humidity in the refrigeration chamber is returned to the evaporator, the water is condensed and removed at the first temperature change end, so that the frosting quantity of the evaporator is largely reduced.
Owner:HAIER SMART HOME CO LTD

Superhigh-temperature heat pump drying system

The invention relates to a superhigh-temperature heat pump drying system. The superhigh-temperature heat pump drying system comprises a drying room, an air return duct, a circulating draught fan, an exhaust duct, an exhaust fan, an air heat recovering device and at least two heat pump units. The air return duct is communicated with an air supply port and an air return port of the drying room. The circulating draught fan is arranged in the air return duct. The exhaust duct is communicated with the air return duct. The exhaust fan is arranged at a duct opening of the exhaust duct. The air heat recovering device is arranged at the intersection of the air return duct and the exhaust duct. The heat pump units are used in parallel. According to the superhigh-temperature heat pump drying system, the two or more heat pump units work in parallel, and the drying room is heated by absorbing low-grade ambient air heat at the initial stage of the drying process, so that the temperature is increased; after the temperature is increased to a certain extent, high-temperature and high-humidity air exhausted out of the drying room is dehumidified, and sensible heat and latent heat contained in the high-temperature and high-humidity air are recovered to the maximum extent; due to the gradient difference of the temperature ranges of cycle working fluid of the heat pump units, relatively higher air supply temperature can be provided through the system, and meanwhile it is guaranteed that the evaporating temperature of the drying units is sufficiently increased.
Owner:HEFEI TAONENG ENVIRONMENT TECH

Dual-temperature-heat-pipe constant-temperature and constant-humidity air-conditioning unit

InactiveCN102121731AReduce reheat energy consumptionEliminate sensible heatEnergy recovery in ventilation and heatingSpace heating and ventilation safety systemsLow voltageEvaporation
The invention discloses a dual-temperature-heat-pipe constant-temperature and constant-humidity air-conditioning unit, comprising an air treatment circulating system and a dual-temperature refrigeration circulating system which are coupled through a high-temperature evaporator (3) and a low-temperature evaporator (5), wherein the air treatment circulating system comprises an air inlet (1), a filter (2), the high-temperature evaporator (3), a heat pipe exchanger evaporation section (4), a low-temperature evaporator (5), an air blower (6), a heat pipe exchanger condensation section (7), an electric heater (8), an electrode-type steam humidifier (9) and an air supply outlet (10) which are arranged in sequence according to the air flowing path; and the dual-temperature refrigeration circulating system consists of a high-voltage level refrigeration circulating loop and a low-voltage level refrigeration circulating loop. The dual-temperature-heat-pipe constant-temperature and constant-humidity air-conditioning unit also comprises a temperature sensor (18), a temperature controller (20), a humidity sensor (19) and a humidity controller (21). The dual-temperature-heat-pipe constant-temperature and constant-humidity air-conditioning unit disclosed by the invention can be used for effectively solving the problem of the common cold-hot offset and has greater energy-saving potential.
Owner:ZHEJIANG SCI-TECH UNIV

Close hothouse loose-tobacco loading method

The invention discloses a loose tobacco filling method for a bulk curing barn, which comprises the following steps: firstly, manufacturing fixed square bars, a loose tobacco air-distributing partition board and metal contact pins, arranging a tobacco filling bracket and a fixed groove in the bulk curing barn, horizontally placing the air-distributing partition board on the tobacco filling bracket in the curing barn, and inserting the fixed square bars into the fixed groove; and loosing bundled tobacco leaves before tobacco filling, stacking the loose tobacco leaves with leaf tips upward and leaf bases downward, filling the fresh tobacco leaves into two fixed square bars tidily, then inserting the contact pins into holes of the fixed square bars to fix the tobacco leaves, and curing the tobacco leaves after the curing barn is fully filled with the tobacco leaves. The method has the following advantages: (1) the tobacco filling amount is large and is increased by 30 percent compared with a rod hanging method and increased by 10 percent compared with a loose tobacco stacking method, and the utilization rate of the curing barn is high; (2) the method saves labor and energy, saves about 70 percent of labor, and reduces coal and electricity consumption by 20 percent; (3) the method fills the tobacco tidily and reserves even gaps for the tobacco leaf bases, so the method is favorable for discharging moisture and prevent the tobacco leaves form smoothening and not stretching, and the method is easy to control the curing operation; (4) the structure is simple, and the material cost is reduced by 60 percent; and (5) the bulk curing barn is convenient to load and unload.
Owner:GUIZHOU TOBACCO SCI INST

Solution dehumidifying fresh air handling unit combining heat pump drive and evaporative cooling

The invention relates to a solution dehumidifying fresh air handling unit combining heat pump drive and evaporative cooling, which is characterized by comprising a solution circulating system, a heat pump system and an evaporative cooling water system, wherein the solution circulating system comprises an interstage solution circulation loop formed by connecting a dehumidifying module, a regeneration module and a solution circulating pump; the heat pump system comprises a solution heat exchange circulation loop formed by connecting a compressor, a first condenser, a throttle valve and an evaporator sequentially and a water heat exchange circulation loop formed by connecting the compressor, a solenoid valve, a second condenser, the throttle valve and the evaporator sequentially; the first condenser and the heat-exchange end of the evaporator are respectively connected with the regeneration module and the dehumidifying module through the solution circulating pump to form two intrastage solution circulation loops; the evaporative cooling water system comprises an evaporative cooling module, a water circulating pump and a water replenishing valve; and the evaporative cooling module is connected with the second condenser through the water circulating pump to form a circulation loop performing heat exchange with refrigeration working media. The solution dehumidifying fresh air handling unit can be widely applied to occasions without indoor ventilation for use.
Owner:TSINGHUA UNIV +1

Intelligent outdoor terminal box dehumidification device

The invention provides an intelligent outdoor terminal box dehumidification device, belongs to the technical field of dehumidification devices, and aims at solving the technical problem of dehumidification on the environment in a power equipment terminal box. The intelligent outdoor terminal box dehumidification device comprises a box body, a dehumidification module, a ventilating and drying module, a purging module, a humidity detection module, a temperature detection module and a control module, wherein the dehumidification module comprises a first exhaust fan, a dehumidifier and a heater; the dehumidifier comprises a dehumidifying shell, dehumidifying barrels and a dehumidifying tube; a plurality of dehumidifying barrels are arranged in the dehumidifying shell; a plurality of capillary tubes are arranged at the front end of the dehumidifying tube and are evenly distributed in the dehumidifying barrels respectively; an air outlet end of each capillary tube communicates with the heater through a pipe; the heater communicates with a purging tube through the pipe; the ventilating and drying module comprises a second exhaust fan and an exhaust blower; the humidity detection module comprises a first humidity detector and a second humidity detector; and the control module comprises a controller, a comparator and an intelligent switch drive module. By the intelligent outdoor terminal box dehumidification device, the inside of the box body can be significantly dehumidified.
Owner:STATE GRID SHANDONG ELECTRIC POWER +1

Air source heat pump drying house with air inlet of evaporator as fresh air inlet of drying house

The invention discloses an air source heat pump drying house with the air inlet of an evaporator as the fresh air inlet of a drying house. The air source heat pump drying house comprises an air source heat pump, the drying house and an air-to-air total heat exchanger, and the housing of the air source heat pump is divided into a first chamber and a second chamber. When an automatic air door is closed, under the function of a condenser fan, relatively closed circulating air is generated to heat the drying house; when the temperature of material in the drying house is increased to certain temperature and humidity is increased, the automatic air door is opened, so that the air inlet of the evaporator serves as the fresh air inlet of the drying house. With the overall system structure configuration and the utilization of cold air after the heat exchange of the evaporator as a basis and the opening and closing of the automatic air door as a switching condition, the material drying method in which dehumidification and moisture removal are carried out at the same time is innovated, thus realizing the organic combination of a variety of operating modes; the overall functional trend of the system can be automatically, flexibly and conveniently changed to meet the different and even contradictory requirements of all material drying stages; the great increases of both energy efficiency ratio and material drying speed can be taken into consideration; equipment investment is saved.
Owner:湖南省浏阳市择明热工器材有限公司

Device for continuously preparing low dew point low temperature drying air

The invention relates to a device for continuously preparing low-temperature dry air with low dew point, mainly comprising the parts as follows: an initial effect air filter, an induced device, a first-level surface refrigerant cooler, a turning wheel dehumidifier, a first-level cryogenic refrigerant cooler, a second-level cryogenic refrigerant cooler and a box body. An end part of the box body is provided with a gas inlet, a tail part of the box body is provided with a gas outlet, the inside of the box body is orderly provided with the initial effect air filter, the induced device, the first-level surface refrigerant cooler, the turning wheel dehumidifier, the first-level cryogenic refrigerant cooler and the second-level cryogenic refrigerant cooler from the end part to the tail part; and the initial effect air filter, the induced device, the first-level surface refrigerant cooler, the turning wheel dehumidifier, the first-level cryogenic refrigerant cooler and the second-level cryogenic refrigerant cooler are orderly connected in series through an air flue. The turning wheel dehumidifier of the device consists of a turning wheel and an air regeneration device; and the device can continuously prepare dry air with absolute water content 0.0003g/kg and the dew point between 80 and 90 DEG C below zero.
Owner:INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY

New material technological development superconducting material transporting device with good stability

The invention belongs to the technical field of transporting devices and in particular relates to a new material technological development superconducting material transporting device with good stability. In order to solve the technical problem that a superconducting material is easy to vibrate and collide during transportation to be damaged, the following scheme is provided. The new material technological development superconducting material transporting device with the good stability comprises a bottom plate, an internal box body and a transporting box body; a placing opening is formed in the external wall of the top of the transporting box body; a box cover is hinged to the internal wall of the placing opening through a hinge; two fixing blocks are welded on the external wall of the topof the box cover; the same pull handle is fixed on the external walls of the tops of the two fixing blocks through bolts; an internal box body is arranged in the transporting box body; and vent holeswhich are distributed in an equally spaced manner are formed in the external wall of the bottom of the internal box body. According to the new material technological development superconducting material transporting device with the good stability, as a second shock absorbing spring, a third shock absorbing spring and a shock absorbing rubber pad, a very good shock absorbing effect is realized toprevent the superconducting material from being damaged due to bumping and shaking during transportation; and a dehumidifier has a very good dehumidifying effect to prevent the superconducting material from being affected with damp to affect the quality of the superconducting material.
Owner:阜阳佰恩得新材料技术有限公司

Refrigerator temperature varying chamber and dehumidification controlling method thereof

A refrigerator temperature varying chamber comprises a temperature varying chamber body arranged in a refrigerator. The refrigerator temperature varying chamber is characterized in that a circular duct is arranged inside or outside the temperature varying chamber body, and a fan, an evaporator, a heating wire and a temperature sensor are arranged on the circular duct at least. After the fan is turned on, air is pushed into the temperature varying chamber body by fan through an air supply opening and returns to a return air inlet via the temperature varying chamber body, damp air in the temperature varying chamber body enters the evaporator and is condensed or iced by the evaporator to become dry air, the dry air is then fed to the temperature varying chamber body through the air supply opening to complete circular delivery of the air, and meanwhile dehumidification controlling of the temperature varying chamber body is realized. The fan and the heating wire are controlled by a control element separately, the temperature sensor detects temperature and feeds back the temperature to the control element, the control element then controls the fan and the heating wire cooperatively according to a preset instruction, fluctuation of the room temperature within a reasonable range is ensured, and when the temperature is too low, the fan stops operation while the heating wire continues operation; when the temperature is too high, the heating wire stops operation and the fan fan continues operation.
Owner:GUANGDONG GALANZ GRP CO LTD
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