CN106931552A - A kind of dehydrating unit and its control method - Google Patents
A kind of dehydrating unit and its control method Download PDFInfo
- Publication number
- CN106931552A CN106931552A CN201710245457.2A CN201710245457A CN106931552A CN 106931552 A CN106931552 A CN 106931552A CN 201710245457 A CN201710245457 A CN 201710245457A CN 106931552 A CN106931552 A CN 106931552A
- Authority
- CN
- China
- Prior art keywords
- air
- evaporator
- pipeline
- temperature
- compressor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Drying Of Gases (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of dehydrating unit, including fan assembly and main frame；Fan assembly includes the housing with air intake passage, and air inlet and air outlet are additionally provided with housing；Breeze fan is provided with air intake passage；Main frame includes main condenser, expansion valve, compressor and evaporator；Wherein evaporator is arranged in air intake passage, and heater is additionally provided with air intake passage；Connected by the first pipeline between the outlet of main condenser and the import of evaporator；Connected by second pipe between the outlet of evaporator and the import of compressor；Connected by the 3rd pipeline between the outlet of compressor and the import of heater；Connected by the 4th pipeline between the outlet of heater and the import of main condenser.The invention also discloses a kind of control method of dehydrating unit.Dehydrating unit disclosed by the invention and its control method, take full advantage of waste heat of condensation, without extra duty, with energy-efficient effect during whole dehumidifying and heating.
Description
Technical field
The present invention relates to air dewetting technical field, more particularly to a kind of dehydrating unit and its control method.
Background technology
South China, East China (such as Haikou, Chongqing, Chengdu, Guangzhou area), 30-35 DEG C of summer mean temperature, humidity
70-90%, temperature high humility is big, and 10-20 DEG C of mean winter temperature, humidity 80-90%, temperature low humidity is very high, human comfort
Degree is poor, particularly " goes back to Nan Tian " and " rainy day ", and close to saturation, this region needs dehumidifying to air humidity throughout the year, in the same of dehumidifying
When also to solve the problems, such as room ventilation.
Summer over North China damp and hot winter is dry and cold, and summer needs dehumidifying winter to need to heat, and solves indoor fresh-air ventilation
Problem.Traditional way is to use fresh air ventilator, and the equipment is without dehumidifying and heating function (although fresh air ventilator
With heat exchange function, but heat exchange organic efficiency is limited), outdoor humid air is introduced indoor during summer ventilation, interior also needs
Want other dehumidification equipments to undertake the humidity load that introducing fresh air is brought, during winter Leads to new breeze, in addition it is also necessary to which other firing equipments add
Hot fresh air.Particularly in conditioning in Transition Season, after Heating Period terminates, such as relatively low fresh air that introduces of early spring outside air temperature can take away indoor heat
Reduce indoor temperature and cause discomfort.When outside humidity gives indoor increase hot humidity load greatly when autumn introduces fresh air, room is caused
Interior high humidity temperature is high, causes discomfort.
Moist hypogee, not only needs dehumidifying of divulging information but also need.Traditional basement dehumidification uses gravity-flow ventilation, but
Gravity-flow ventilation is to be influenceed larger by outdoor climate, and summer ventilation causes basement damp and hot, and winter ventilation causes basement sombre.For
Solving the problem can open basement air-conditioning, but the load very little of hypogee, and opening air-conditioning can virtually cause the energy
Waste.
Temperature independent control air-conditioning technical was also in fast development in recent years, with comfortable, energy-efficient radiation air-conditioner system high
It is Typical Representative to unite, but it needs to be equipped with special dehumidification equipment, it is impossible to realized energy-efficient.Influence the one of the System Development
Individual bottleneck is exactly that neither one performance is good, energy-efficient dehumidification equipment.
And dehumidification equipment in the market, mostly using indoor circulation wind, room is can't resolve when dehumidifying is solved the problems, such as
There is dehumidifying depth and do not reach requirements in interior ventilating problem, the dehumidification equipment that fresh air can be connect, or when dehumidifying compressor condensation
Heat cannot emission problem.
The content of the invention
It is an object of the invention to overcome defect of the prior art, there is provided a kind of energy-efficient dehydrating unit and its control
Method processed.
Technical solution of the present invention provides a kind of dehydrating unit, including fan assembly and main frame；The fan assembly includes tool
There is the housing of air intake passage, the air inlet and air outlet connected with the air intake passage are additionally provided with the housing；Described
It is provided with air intake passage for the breeze fan to the air outlet Lateral supply；The main frame include main condenser, expansion valve,
Compressor and evaporator；Wherein described evaporator is arranged on for carrying out cool-down dehumidification to air in the air intake passage, in institute
State the heater being additionally provided with air intake passage for being heated to the air after cool-down dehumidification；The outlet of the main condenser
It is connected by the first pipeline between import with the evaporator, the expansion valve is arranged on first pipeline；The steaming
Connected by second pipe between the outlet and the import of the compressor of hair device；The outlet of the compressor and the heater
Import between by the 3rd pipeline connect；By the 4th pipe between the outlet and the import of the main condenser of the heater
Road is connected；In first pipeline, the second pipe, the 3rd pipeline, the 4th pipeline, the main condenser, institute
Circulation has what can be converted between gaseous state and liquid in stating expansion valve, the compressor, the evaporator and the heater
Refrigerant.
Further, the heater is secondary condenser.
Further, the dehydrating unit also includes appearance water pot, be provided with the appearance water pot for outside running water
The water inlet of pipe connection and the discharge outlet for the water releasing in water pot will to be held；Wherein, it is provided with hot friendship in the appearance water pot
Parallel operation, the heat exchanger is connected with the 3rd placed in series.
Further, the compressor is frequency-changeable compressor, and it can be adjusted according to the evaporating temperature of the evaporator
The rotating speed of compressor, the moment ensures that the evaporating temperature of the evaporator is more than 0 °.
Further, the evaporating temperature of the evaporator is maintained between 1 ° -3 °.
Further, also it is communicated with for conveying HTHP gas between the outlet of the compressor and the evaporator
The medium delivery pipe of the refrigerant of body state；It is provided with the medium delivery pipe for controlling the medium delivery pipe to open
The delivery pipe control valve for closing；The temperature sensing of the evaporating temperature for monitoring the evaporator is provided with the evaporator
Instrument；The temperature sounder is connected with delivery pipe control valve signal.
Further, at least one of which heat-insulation layer is also wrapped in the medium delivery pipe.
Further, at least one is additionally provided with the 3rd pipeline for conveying refrigerant to the heater
Pipeline branch pipe；It is provided with every pipeline branch pipe for controlling the branch pipe of the pipeline branch pipe opening and closing to control valve.
Further, it is provided with four-way reversing valve between the second pipe and the 4th pipeline.
Further, return air channel is additionally provided with the housing, is provided with the housing and connected with the return air channel
Logical return air inlet and exhaust outlet；The exhaust fan for wind to be delivered to exhaust outlet is provided with the return air channel；It is described
Dividing plate is provided between return air channel and the air intake passage.
Further, ventilating opening is provided with the dividing plate, the ventilating opening is located at the air inlet and the evaporation
Between device；It is provided with the ventilating opening for controlling the logical of the air quantity in from the return air channel into the air intake passage
Air port controls valve.
Further, the ventilating opening control valve has completely closed state, partially open state and fully open state；
Wherein, when ventilating opening control valve is in the completely closed state, the ventilating opening is fully closed, and the return air leads to
Wind in road is all discharged from the exhaust outlet；It is described logical when ventilating opening control valve is in the partially open state
Air port is partly opened, and a part of wind in the return air channel enters in the air intake passage through the ventilating opening, another portion
Wind is divided to be discharged through the exhaust outlet；When ventilating opening control valve is in the fully open state, the ventilating opening is complete
Full open, and the ventilating opening control valve return air channel is closed, the wind in the return air channel fully enter described in enter
In wind passage.
Further, the air intake blower fan and the exhaust fan are all frequency conversion fan；In the exhaust fan and described
Air velocity transducer is respectively arranged with air intake blower fan.
Further, it is respectively arranged with air cleaner at the air inlet and the return air inlet.
Technical solution of the present invention also provides what a kind of dehydrating unit using described in foregoing any technical scheme was dehumidified
Control method, comprises the following steps：
S001：Air intake blower fan is opened, the air in external environment condition is entered in air intake passage；
S002：Evaporator carries out cool-down dehumidification to the air for entering, by the water vapor condensation in air；
S003：Heater is heated to the air by dehumidifying, and is heated to preset temperature；
S004：Air after being heated is discharged through air outlet.
Further, in step S002：First pipeline supplies the refrigeration of low temperature low pressure gas state to the evaporator
Medium, refrigerant is converted into Low temperature low pressure liquid in the evaporator, and the refrigerant of Low temperature low pressure liquid state leads to
Cross second pipe and be delivered to compressor；In this process, evaporator heat absorption, and air cooling-down dehumidifies simultaneously；
In step S003：3rd pipeline freezes to the refrigerant of the heater fed high temperature and high pressure gas state
Medium is converted into high temperature high pressure liquid in the heater, and the refrigerant of high temperature high pressure liquid state passes through the 4th pipeline
It is delivered to main condenser；In this process, the heater heat release, and the air after dehumidifying is heated to preset temperature simultaneously.
Further, also comprise the following steps：3rd pipeline supplies HTHP to the heat exchanger held in water pot
The refrigerant of gaseous state, the water held in water pot is heated by the heat exchanger.
Further, the compressor is frequency-changeable compressor；Also comprise the following steps：
When evaporating temperature≤1 ° of the evaporator is monitored, the frequency-changeable compressor reduction frequency reduces output；
When evaporating temperature=3 ° of the evaporator are monitored, the frequency-changeable compressor stop frequency regulation.
Further, also comprise the following steps：When temperature sounder monitors the evaporating temperature of the evaporator less than pre-
If during threshold value, opening delivery pipe control valve, by medium delivery pipe to supply high temperature and high pressure gas state in the evaporator
Refrigerant.
Further, also comprise the following steps：When the temperature of the air for monitoring to be heated by the heaters is less than preset temperature
During value, the one or more branch pipe control valve of selectively unlocking.
Further, also comprise the following steps：By operating four-way reversing valve, main condenser is set to absorb the heat of surrounding air
Amount, while make evaporator heat release, to heat the air in air intake passage.
Further, also comprise the following steps：According to the humidity of air in external environment condition, selectively turn on ventilating opening
Ventilating opening control valve opening angle.
Using above-mentioned technical proposal, have the advantages that：
The present invention provide dehydrating unit and its control method, by evaporator to from the refrigerant at expansion valve from
Liquid is converted to gaseous state, in this process evaporator heat absorption, such that it is able to by the water vapor condensation in air, realize dropping air
Temperature dehumidifying；By heater to being converted into liquid from gaseous state from the refrigerant at compressor, heater is put in this process
Heat, such that it is able to air heating after dehumidifying.Required heat, both is from main frame during whole dehumidifying and heating
Main condenser, compressor, take full advantage of the condensation heat of main frame, without extra duty, so that with energy-efficient effect.
Brief description of the drawings
The structural representation of the dehydrating unit that Fig. 1 is provided for one embodiment of the invention；
The structural representation of the dehydrating unit that Fig. 2 is provided for another embodiment of the present invention；
Fig. 3 is the schematic diagram that medium delivery pipe is provided between compressor and evaporator；
Fig. 4 is that the end of the 3rd pipeline is provided with the schematic diagram of pipeline branch pipe；
Fig. 5 is that ventilating opening control valve has four schematic diagrames of gear.
The reference table of comparisons：
1- fan assemblies；11- housings；12- air intake passages；
121- air inlets；122- air outlets；13- return air channels；
131- return air inlets；132- exhaust outlets；14- breeze fans；
15- exhaust fans；16- heaters；17- air cleaners；
18- dividing plates；19- ventilating openings；191- ventilating openings control valve；
2- main frames；21- main condensers；22- expansion valves；
23- compressors；231- is exported；232- medium delivery pipes；
233- delivery pipes control valve；234- heat-insulation layers；24- evaporators；
241- temperature sounders；25- four-way reversing valves；The pipelines of 3- first；
4- second pipes；The pipelines of 5- the 3rd；51- laterals；
52- branch pipes control valve；The pipelines of 6- the 4th；7- holds water pot；
71- water inlets；72- discharge outlet；73- heat exchangers.
Specific embodiment
Further illustrate specific embodiment of the invention below in conjunction with the accompanying drawings.Wherein identical parts identical
Reference is represented.It should be noted that the word "front", "rear", "left", "right", the "up" and "down" that are used in description below
The direction in accompanying drawing is referred to, word " interior " and " outward " are referred respectively to towards or away from the direction of particular elements geometric center.
As shown in figure 1, a kind of dehydrating unit that one embodiment of the invention is provided, including fan assembly 1 and main frame 2.
Fan assembly 1 includes the housing 11 with air intake passage 12, is additionally provided with housing 11 and is connected with air intake passage 12
Air inlet 121 and air outlet 122.It is provided with for the breeze fan 14 to the Lateral supply of air outlet 122 in air intake passage 12.
Main frame 2 includes main condenser 21, expansion valve 22, compressor 23 and evaporator 24.
Wherein, evaporator 24 is arranged in air intake passage 12 for carrying out cool-down dehumidification to air.
The heater 16 heated for the air after to cool-down dehumidification is additionally provided with the air intake passage 12.
Connected by the first pipeline 3 between the outlet of main condenser 21 and the import of evaporator 24, expansion valve 22 is arranged on
On first pipeline；Connected by second pipe 4 between the outlet of evaporator 24 and the import of compressor 23；The outlet of compressor 23
It is connected by the 3rd pipeline 5 between import with heater 16；Lead between the outlet of heater 16 and the import of main condenser 21
The 4th pipeline 6 is crossed to connect.
In the first pipeline 3, second pipe 4, the 3rd pipeline 5, the 4th pipeline 6, main condenser 21, expansion valve 22, compressor
23rd, circulation has the refrigerant that can be converted between gaseous state and liquid in evaporator 24 and heater 16.
Refrigerant is preferably fluorine, and it can be changed between gaseous state and liquid under pressure, so as to complete heat absorption
And heat release.
Fresh air or extraneous air enter in air intake passage 12 through after air inlet 121, then by the cool-down dehumidification of evaporator 24,
Heated by heater 16 afterwards, be most expelled in designated space through air outlet 122 afterwards.
Realize carrying out cool-down dehumidification to air by the way that evaporator 24 is arranged in air intake passage 12, its import passes through first
Pipeline 3 is connected with the outlet of main condenser 21.Expansion valve 22 is arranged on the first pipeline 3, for by going out from main condenser 21
The refrigerant of mouth outflow is converted to Low temperature low pressure liquid state.
Be arranged such, then in the first pipeline 3 from expansion valve 22 to the circulating direction of evaporator 24 on, refrigerant is in low
Warm low pressure liquid state.The refrigerant of Low temperature low pressure liquid state enters in evaporator 24, and is acted on by evaporator, conversion
It is low temperature low pressure gas state.The refrigerant of low temperature low pressure gas state enters in compressor 23 through second pipe 4.
In this process, evaporator 24 absorbs heat, so as to carry out cool-down dehumidification to the air entered from air inlet 121, by sky
Water vapor condensation in gas, makes Water vapor condensation in air for dewdrop, is attached on evaporator 24, so that vapor is from sky
Depart from gas, reduce the moisture in air, reach effect on moisture extraction.
After air dewetting, temperature is relatively low, and being directly discharged into interior can cause people user uncomfortable, therefore, it is logical in air intake
Heater 16 is additionally provided with road 12, heater 16 is located at the rear side of evaporator 24, or near air outlet side, for cooling
Air after dehumidifying is heated.
Enter in compressor 23 from the refrigerant of the low temperature low pressure gas state of the outflow of second pipe 4, by compressor
Compression, refrigerant is converted to high temperature and high pressure gas state.The refrigerant of high temperature and high pressure gas state enters in heater 16,
The heat release of heater 16, heats air, while the refrigerant of high temperature and high pressure gas state is converted to high temperature high pressure liquid state.
The refrigerant of high temperature high pressure liquid state enters in main condenser 21 through the 4th pipeline 6, the heat release of main condenser 21,
The refrigerant of high temperature high pressure liquid state is converted to cryogenic high pressure liquid condition, the refrigerant warp of cryogenic high pressure liquid condition
Expansion valve 22 is converted to Low temperature low pressure liquid state, reciprocation cycle.
In this process, the heat release of heater 16 such that it is able to which the air in air intake passage 12 is heated to preset temperature.
HTHP, low-temp low-pressure, the cryogenic high pressure only relative concept being related in the present invention, do not represent refrigeration and are situated between
The absolute pressure and temperature value of matter.
Heater 16 in the present invention can be heat exchanger, in the refrigerant heat release of high temperature and high pressure gas state,
Air can be heated, refrigerant is converted to high temperature high pressure liquid state afterwards.
The dehydrating unit that the present invention is provided, the required heat during whole air dewetting and air are heated, all
Come from main condenser, the compressor of main frame, take full advantage of the condensation heat of main frame, without extra duty, so as to have efficient
The effect of energy-conservation.
Preferably, heater 16 is secondary condenser.Main condenser 21 and secondary condenser 16 in the present invention are all common
Condenser, its " major-minor " is only distinguished name, is easy to description.The need for typically in order to install, the size or work(of main condenser 21
Size or power of the rate more than secondary condenser 16.
Secondary condenser 16 plays exothermic effects in air intake passage 12, for being heated to the air after dehumidifying.
It is preferred that as shown in Fig. 2 the dehydrating unit also include appearance water pot 7, hold water pot 7 on be provided with for outside
The water inlet 71 of running water pipe connection and the discharge outlet 72 for the water releasing in water pot 7 will to be held.
Wherein, heat exchanger 73 is provided with water pot 7 is held, heat exchanger 73 is connected in series with the 3rd pipeline 5.
When using, the refrigerant of the high temperature and high pressure gas state in the 3rd pipeline 5 enters in heat exchanger 73, to holding water
Water in tank 7 is heated, after the need for disclosure satisfy that dehumidifying, heating air, additionally it is possible to which domestic water is heated,
Improve the utilization ratio of waste heat of condensation.
It is preferred that compressor 23 is frequency-changeable compressor, it can adjust compressor according to the evaporating temperature of evaporator 24
23 rotating speed, the moment ensures that the evaporating temperature of evaporator 24 is more than 0 °, it is to avoid the surface frosting of evaporator 24, causes the equipment can not
Run well.
Involved evaporating temperature in the present invention, it is produced during State Transferring to be that refrigerant is carried out in evaporator
Temperature.
When evaporating temperature is monitored close to 0 °, frequency-changeable compressor reduces rotating speed automatically, reduces output, it is to avoid tie on surface
Frost.
Preferably, the evaporating temperature of evaporator 24 is maintained between 1 ° -3 °, it is possible to achieve avoid evaporator surface frosting,
Cool-down dehumidification at utmost can be carried out to air again simultaneously.
Temperature sounder is set at evaporator 24, and it is connected with frequency-changeable compressor signal.
When evaporating temperature≤1 ° of evaporator 24 is monitored, frequency-changeable compressor reduction frequency reduces output.
When evaporating temperature=3 ° of evaporator 24 are monitored, the regulation of frequency-changeable compressor stop frequency.
Preferably, as shown in figure 3, being also communicated with for conveying height between the outlet 231 of compressor 23 and evaporator 24
The medium delivery pipe 232 of the refrigerant of warm high-pressure gaseous state.
The delivery pipe for controlling medium delivery pipe 232 to be opened and closed is provided with medium delivery pipe 232 and controls valve 233.
The temperature sounder 241 of the evaporating temperature for monitoring evaporator 24 is provided with evaporator 24.
Temperature sounder 241 is connected with the delivery pipe control signal of valve 233.
When temperature sounder 241 monitors that the evaporating temperature of evaporator 24 is less than predetermined threshold value, delivery pipe control is opened
Valve 233, by medium delivery pipe 232 to the refrigerant that high temperature and high pressure gas state is supplied in evaporator 24, such that it is able to carry
The evaporating temperature of evaporator high 24, it is to avoid the evaporating temperature of evaporator 24 is less than 0 °, causes surface frosting.
Preferably, meanwhile, the variable frequency adjustment of frequency-changeable compressor is adjusted with the medium of medium delivery pipe, and sets change frequency modulation
Section is preferential, to ensure that evaporator 24 will not frosting.
Specifically,
When temperature sounder 241 monitors evaporating temperature=3 ° of evaporator 24, the regulation of frequency-changeable compressor stop frequency,
Delivery pipe control valve 233 closes medium delivery pipe 232.
When temperature sounder 241 monitors evaporating temperature≤1 ° of evaporator 24, frequency-changeable compressor reduction frequency is reduced
Output；
When temperature sounder 241 monitors evaporating temperature≤1 ° of evaporator 24, delivery pipe control valve 233 is opened, led to
Medium delivery pipe 232 is crossed to the refrigerant that high temperature and high pressure gas state is supplied in evaporator 24.
It is preferred that as shown in figure 3, be also wrapped at least one of which heat-insulation layer 234 in medium delivery pipe 232, playing insulation
Effect, it is to avoid the temperature leak of the cooling medium in medium delivery pipe 232.
Medium delivery pipe 232 is capillary, if set heat-insulation layer, its internal refrigerant is easy to enter with the external world
Row heat exchange causes temperature leak, is unfavorable for maintaining or raising the evaporating temperature of evaporator 24.
It is preferred that as shown in figure 4, being additionally provided with least one on the 3rd pipeline 5 for conveying refrigeration to heater 16
The pipeline branch pipe 51 of medium.
The branch pipe being provided with every pipeline branch pipe 51 for the opening and closing of control pipeline branch pipe 51 controls valve 52.
The end of the 3rd pipeline 5 directly connects with to heater 16, maintains a normally open state, can be supplied in heater 16
The refrigerant of high temperature and high pressure gas state.
Pipeline branch pipe 51 is arranged on the 3rd pipeline 5, and it can also be to supply high temperature and high pressure gas state in heater 16
Refrigerant, be provided with pipeline branch pipe 51 branch pipe control valve 52, can open as needed branch pipe control valve 52, increase
To the amount that refrigerant is supplied in heater 16, the heating-up temperature to air is improved.
When the temperature of the air for monitoring to be heated by heater 16 is less than preset temperature value, selectively unlocking one or
Branch pipe control valve 52 more than individual, increases to the amount that refrigerant is supplied in heater 16, improves the heating-up temperature to air.
For example, when refrigerant is supplied only with the 3rd pipeline 5, air can be heated to 20 DEG C by heater 16, when
When branch pipe control valve 52 is opened, air can be heated to more than 20 DEG C by heater 16, meet different demands.
It is preferred that as shown in figure 1, being provided with four-way reversing valve 25 between the pipeline 6 of second pipe 4 and the 4th.By behaviour
Make four-way reversing valve 25, main condenser 21 can be made to absorb the heat of surrounding air, while make the heat release of evaporator 24, with heat into
Air in wind passage 12, realizes heating mode.
It is preferred that as shown in figure 1, housing 11 in be additionally provided with return air channel 13, be provided with housing 11 and return air channel
The return air inlet 131 and exhaust outlet 132 of 13 connections.
The exhaust fan 15 for wind to be delivered to exhaust outlet 132 is provided with return air channel 13.
Dividing plate 18 is provided between return air channel 13 and air intake passage 12.
It is arranged such, while air intake is realized, indoor air can also be discharged by return air channel 13.
Specifically, room air enters in return air channel 13 through return air inlet 131, is then discharged through exhaust outlet 132, realizes
Indoor and outdoor air is circulated.
Meanwhile, setting dividing plate 18 separates between air intake passage 12 and return air channel 13, it is ensured that each run well, it is to avoid
The wind for being dehumidified and/or heating in air intake passage 12 is discharged into return air channel 13 is interior, causes to waste.
Preferably, as shown in figure 1, being provided with ventilating opening 19 on dividing plate 18, ventilating opening 19 is located at air inlet 121 with evaporation
Between device 24.
The ventilating opening for the air quantity for controlling to enter in air intake passage 12 from return air channel 13 is provided with ventilating opening 19
Control valve 191.
Be arranged such, can as needed, by the part or all of return air in return air channel 13 through ventilating opening 19 send into
In wind passage 12, dehumidified through evaporator 24 again, heated device 16 enters interior after heating, recycled.
When the humidity ratio of air in external environment is larger, if the air in air intake passage 12 all is from the external world,
Air humidity is larger, and the live load of evaporator 24 and compressor 23 is larger, and power consumption is more.
The humidity of indoor air is comparatively smaller, and partial air is got in after being dehumidified through evaporator 24
, its humidity is obviously smaller than the humidity of the air in external environment.
And now, if opening ventilating opening control valve 191 so that the air in return air channel 13 is partly or entirely through ventilation
Mouthfuls 19 send into air intake passages 12, and when dehumidify through evaporator 24 again, humidity is small, can mitigate bearing for evaporator and compressor
Load, has saved electric energy.
Preferably, as shown in figs. 1 and 4, ventilating opening control valve 191 has completely closed state, partially open state and complete
Full open state.
Wherein, when ventilating opening control valve 191 is in the completely closed state, ventilating opening 19 is fully closed, return air channel
Wind in 13 is all discharged from exhaust outlet 132.
When ventilating opening control valve 191 is in partially open state, ventilating opening 19 is partly opened, in return air channel 13
A part of wind enters in air intake passage 12 through ventilating opening 19, and another part wind is discharged through exhaust outlet 132.
When ventilating opening control valve 191 is in fully open state, ventilating opening 19 is fully opened, and ventilating opening control valve
191 close return air channel 13, and the wind in return air channel 13 is fully entered in air intake passage 12.
As needed, ventilating opening control valve 191 can be set multiple gears, such as four gears can be by control
Device is realized switching between each gear.
As shown in figure 5, when ventilating opening control valve 191 is in 1 grade, when its is in the completely closed state, the quilt of ventilating opening 19
Completely close, the wind in return air channel 13 is all discharged from exhaust outlet 132.Now, all extraneous fresh airs in air intake passage 12
Or new air, realize all-fresh air operating mode.
When ventilating opening control valve 191 is in 2 grades, when it is in partially open state, ventilating opening control valve 191 is opened
30 °, in return air channel 13 about 30% wind through ventilating opening 19 enter air intake passage 12 in, about 70% wind is through exhaust outlet
132 discharges.Now there is 30% return air in air intake passage 12, realize 30% return air operating mode.
When ventilating opening control valve 191 is in 3 grades, when it is in partially open state, ventilating opening control valve 191 is opened
60 °, in return air channel 13 about 60% wind through ventilating opening 19 enter air intake passage 12 in, about 40% wind is through exhaust outlet
132 discharges.Now there is 60% return air in air intake passage 12, realize 60% return air operating mode.
When ventilating opening control valve 191 is in 4 grades, during its fully open state, ventilating opening 19 is fully opened, and ventilation
Mouth control valve 191 closes return air channel 13, and the wind in return air channel 13 is fully entered in air intake passage 12.Now air intake passage
There is 100% return air in 12, realize full return air operating mode.
Preferably, as shown in figure 1, air intake blower fan 14 and exhaust fan 15 are all frequency conversion fan；Exhaust fan 14 and entering
Air velocity transducer (not shown) is respectively arranged with wind blower fan 15.
The air-supply air quantity of the breeze fan 14 in the present invention uses autoranging, can be become according to field pipes resistance
Change, realize automatically adjusting the blast of air outlet to ensure air-out volume.
Breeze fan 14 uses frequency conversion fan, and is provided with air velocity transducer, and air quantity analog quantity is turned into by conversion, according to
Air quantity adjusts the rotating speed of breeze fan 14 automatically, the automatic change for adapting to the resistance of ducting.
Exhaust fan 15 in the present invention can automatically adjust air draft air quantity according to the air draft ratio of air output and setting, to tie up
It is a positive pressure environment to hold interior, reduces the fresh air infiltration load that the permeable belt of outdoor air comes.
Air velocity transducer, the air draft ratio of air draft air quantity=air-supply air quantity × setting are provided with exhaust fan 15.Air draft
Blower fan 15 uses frequency conversion fan, can automatically adjust rotating speed to meet the air draft air quantity of design needs.
It is preferred that as shown in figure 1, be respectively arranged with air cleaner 17 at air inlet 121 and return air inlet 131, playing
The effect of purify air.
The dehydrating unit that the present invention is provided, can be reduced to 6-8g/Kg by the water capacity of air.
The dehydrating unit that the present invention is provided, the air that will can be dehumidified is heated to 17 DEG C -26 DEG C.
The dehydrating unit that the present invention is provided, it is ensured that evaporator frost-free, maintains equipment to run well.
The dehydrating unit that the present invention is provided, its whole dehumidification process and heating process, are all to use waste heat of condensation, will not be right
Equipment increases extra burden, has saved electric energy and has reduced cost.
The present invention also provides the control method that the dehydrating unit described by a kind of use above-mentioned technical proposal is dehumidified, and wraps
Include following steps：
S001：Air intake blower fan 14 is opened, the air in external environment condition is entered in air intake passage 12.
S002：The air of 24 pairs of entrance of evaporator carries out cool-down dehumidification, by the water vapor condensation in air.
S003：16 pairs of air by dehumidifying of heater are heated, and are heated to preset temperature.
S004：Air after being heated is discharged through air outlet 122.
The required heat during whole air dewetting and air are heated, both be from main condenser in main frame,
Compressor, takes full advantage of the condensation heat of main frame, without extra duty, so that with energy-efficient effect.
In step S002：
First pipeline 3 supplies the refrigerant of low temperature low pressure gas state to evaporator 24, and refrigerant is in evaporator 24
Low temperature low pressure liquid is inside converted into, the refrigerant of Low temperature low pressure liquid state is delivered to compressor 23 by second pipe 4；
In this process, evaporator 24 absorbs heat, and air cooling-down dehumidifies simultaneously.
In step S003：
3rd pipeline 5 supplies the refrigerant of high temperature and high pressure gas state to heater 16, and refrigerant is in heater 16
High temperature high pressure liquid is inside converted into, the refrigerant of high temperature high pressure liquid state is delivered to main condenser by the 4th pipeline 6
21；In this process, the heat release of heater 16, and the air after dehumidifying is heated to preset temperature simultaneously.
The control method also comprises the following steps：
3rd pipeline 5 supplies the refrigerant of high temperature and high pressure gas state to the heat exchanger 73 held in water pot 7, by heat
The water in water pot 7 is held in the heating of exchanger 7.After the need for disclosure satisfy that dehumidifying, heating air, additionally it is possible to which domestic water is entered
Row heating, improves the utilization ratio of waste heat of condensation.
Above-mentioned compressor 23 is frequency-changeable compressor.
The control method also comprises the following steps：
When evaporating temperature≤1 ° of evaporator 24 is monitored, frequency-changeable compressor reduction frequency reduces output.
When evaporating temperature=3 ° of evaporator 24 are monitored, the regulation of frequency-changeable compressor stop frequency.
Can realize avoiding evaporator surface frosting, while again cool-down dehumidification at utmost can be carried out to air.
The control method also comprises the following steps：
When temperature sounder 241 monitors that the evaporating temperature of evaporator 24 is less than predetermined threshold value, delivery pipe control is opened
Valve 233, by medium delivery pipe 232 to the refrigerant that high temperature and high pressure gas state is supplied in evaporator 24.
The evaporating temperature of evaporator 24 can be improved, it is to avoid the evaporating temperature of evaporator 24 is less than 0 °, causes surface frosting.
The control method also comprises the following steps：
When the temperature of the air for monitoring to be heated by heater 16 is less than preset temperature value, selectively unlocking one or
Branch pipe control valve 52 more than individual, improves the heating-up temperature to air.
The control method also comprises the following steps：
By operating four-way reversing valve 25, main condenser 21 is set to absorb the heat of surrounding air, while putting evaporator 24
Heat, to heat the air in air intake passage 12, realizes heating mode.
The control method also comprises the following steps：
According to the humidity of air in external environment condition, opening for the control valve 191 of the ventilating opening on ventilating opening 19 is selectively turned on
Angle is opened, mitigates the burden of evaporator and compressor, save electric energy.
As needed, above-mentioned each technical scheme can be combined, to reach best-of-breed technology effect.
The above is only principle of the invention and preferred embodiment.It should be pointed out that for the ordinary skill people of this area
For member, on the basis of the principle of the invention, some other modifications can also be made, also should be regarded as protection scope of the present invention.
Claims (22)
1. a kind of dehydrating unit, it is characterised in that including fan assembly and main frame；
The fan assembly includes the housing with air intake passage, is additionally provided with what is connected with the air intake passage on the housing
Air inlet and air outlet；
It is provided with the air intake passage for the breeze fan to the air outlet Lateral supply；
The main frame includes main condenser, expansion valve, compressor and evaporator；
Wherein, the evaporator is arranged in the air intake passage for carrying out cool-down dehumidification to air；
The heater for being heated to the air after cool-down dehumidification is additionally provided with the air intake passage；
Connected by the first pipeline between the outlet and the import of the evaporator of the main condenser, the expansion valve is arranged on
On first pipeline；
Connected by second pipe between the outlet and the import of the compressor of the evaporator；
Connected by the 3rd pipeline between the outlet and the import of the heater of the compressor；
Connected by the 4th pipeline between the outlet and the import of the main condenser of the heater；
In the first pipeline, second pipe, the 3rd pipeline, the 4th pipeline, the main condenser, described swollen
Circulation has the refrigeration that can be converted between gaseous state and liquid in swollen valve, the compressor, the evaporator and the heater
Medium.
2. dehydrating unit according to claim 1, it is characterised in that the heater is secondary condenser.
3. dehydrating unit according to claim 1 and 2, it is characterised in that the dehydrating unit also includes appearance water pot, described
Hold and the water inlet for being connected with outside running water pipe is provided with water pot and for the discharge outlet that the water in water pot is released will to be held；
Wherein, heat exchanger is provided with the appearance water pot, the heat exchanger is connected with the 3rd placed in series.
4. dehydrating unit according to claim 1, it is characterised in that the compressor is frequency-changeable compressor, and it being capable of root
The rotating speed of compressor is adjusted according to the evaporating temperature of the evaporator, the moment ensures that the evaporating temperature of the evaporator is more than 0 °.
5. dehydrating unit according to claim 4, it is characterised in that the evaporating temperature of the evaporator is maintained at 1 ° -3 °
Between.
6. dehydrating unit according to claim 1, it is characterised in that
The refrigeration for conveying high temperature and high pressure gas state is also communicated between the outlet of the compressor and the evaporator
The medium delivery pipe of medium；
It is provided with the medium delivery pipe for controlling the delivery pipe of the medium delivery pipe opening and closing to control valve；
The temperature sounder of the evaporating temperature for monitoring the evaporator is provided with the evaporator；
The temperature sounder is connected with delivery pipe control valve signal.
7. dehydrating unit according to claim 6, it is characterised in that at least is also wrapped in the medium delivery pipe
Layer heat-insulation layer.
8. dehydrating unit according to claim 1 and 2, it is characterised in that be additionally provided with least on the 3rd pipeline
One pipeline branch pipe for being used to convey refrigerant to the heater；
It is provided with every pipeline branch pipe for controlling the branch pipe of the pipeline branch pipe opening and closing to control valve.
9. dehydrating unit according to claim 1, it is characterised in that between the second pipe and the 4th pipeline
It is provided with four-way reversing valve.
10. dehydrating unit according to claim 1 and 2, it is characterised in that be additionally provided with return air channel in the housing,
The return air inlet and exhaust outlet connected with the return air channel are provided with the housing；
The exhaust fan for wind to be delivered to exhaust outlet is provided with the return air channel；
Dividing plate is provided between the return air channel and the air intake passage.
11. dehydrating units according to claim 10, it is characterised in that ventilating opening is provided with the dividing plate, it is described
Ventilating opening is located between the air inlet and the evaporator；
The ventilation for the air quantity for controlling to enter in the air intake passage from the return air channel is provided with the ventilating opening
Mouth control valve.
12. dehydrating units according to claim 11, it is characterised in that the ventilating opening controls valve to have and completely closes shape
State, partially open state and fully open state；
Wherein, when ventilating opening control valve is in the completely closed state, the ventilating opening is fully closed, described time
Wind in wind passage is all discharged from the exhaust outlet；
When ventilating opening control valve is in the partially open state, the ventilating opening is partly opened, and the return air leads to
A part of wind in road enters in the air intake passage through the ventilating opening, and another part wind is discharged through the exhaust outlet；
When ventilating opening control valve is in the fully open state, the ventilating opening is fully opened, and the ventilation
Mouth control valve closes the return air channel, and the wind in the return air channel is fully entered in the air intake passage.
13. dehydrating units according to claim 11, it is characterised in that the air intake blower fan and the exhaust fan are all
Frequency conversion fan；
Air velocity transducer is respectively arranged with the exhaust fan and the air intake blower fan.
14. dehydrating units according to claim 10, it is characterised in that distinguish at the air inlet and the return air inlet
It is provided with air cleaner.
The control method that dehydrating unit in a kind of 15. use claim 1-14 described in any claim is dehumidified, its
It is characterised by, comprises the following steps：
S001：Air intake blower fan is opened, the air in external environment condition is entered in air intake passage；
S002：Evaporator carries out cool-down dehumidification to the air for entering, by the water vapor condensation in air；
S003：Heater is heated to the air by dehumidifying, and is heated to preset temperature；
S004：Air after being heated is discharged through air outlet.
16. control methods according to claim 15, it is characterised in that in step S002：
First pipeline supplies the refrigerant of low temperature low pressure gas state to the evaporator, and refrigerant is in the evaporator
Low temperature low pressure liquid is converted into, the refrigerant of Low temperature low pressure liquid state is delivered to compressor by second pipe；At this
During, evaporator heat absorption, and air cooling-down dehumidifies simultaneously；
In step S003：
Refrigerant from 3rd pipeline to the heater fed high temperature and high pressure gas state, refrigerant is in the heater
High temperature high pressure liquid is converted into, the refrigerant of high temperature high pressure liquid state is by the 4th pipeline to main condenser；
Should during, the heater heat release, and the air after dehumidifying is heated to preset temperature simultaneously.
17. control method according to claim 15 or 16, it is characterised in that also comprise the following steps：
3rd pipeline supplies the refrigerant of high temperature and high pressure gas state to the heat exchanger held in water pot, by the heat
The exchanger heating water held in water pot.
18. control method according to claim 15 or 16, it is characterised in that the compressor is frequency-changeable compressor；
Also comprise the following steps：
When evaporating temperature≤1 ° of the evaporator is monitored, the frequency-changeable compressor reduction frequency reduces output；
When evaporating temperature=3 ° of the evaporator are monitored, the frequency-changeable compressor stop frequency regulation.
19. control method according to claim 15 or 16, it is characterised in that also comprise the following steps：
When temperature sounder monitors that the evaporating temperature of the evaporator is less than predetermined threshold value, delivery pipe control valve is opened, led to
Medium delivery pipe is crossed to the refrigerant that high temperature and high pressure gas state is supplied in the evaporator.
20. control method according to claim 15 or 16, it is characterised in that also comprise the following steps：
When the air for monitoring to be heated by the heaters temperature be less than preset temperature value when, selectively unlocking one or more
Branch pipe control valve.
21. control method according to claim 15 or 16, it is characterised in that
Also comprise the following steps：
By operating four-way reversing valve, main condenser is absorbed the heat of surrounding air, while make evaporator heat release, with heat into
Air in wind passage.
22. control method according to claim 15 or 16, it is characterised in that also comprise the following steps：
According to the humidity of air in external environment condition, the opening angle that the ventilating opening on ventilating opening controls valve is selectively turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710245457.2A CN106931552B (en) | 2017-04-14 | 2017-04-14 | Dehumidification device and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710245457.2A CN106931552B (en) | 2017-04-14 | 2017-04-14 | Dehumidification device and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106931552A true CN106931552A (en) | 2017-07-07 |
| CN106931552B CN106931552B (en) | 2023-04-28 |
Family
ID=59437239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710245457.2A Active CN106931552B (en) | 2017-04-14 | 2017-04-14 | Dehumidification device and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106931552B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777222A (en) * | 2022-04-25 | 2022-07-22 | 珠海格力电器股份有限公司 | Dehumidification system, control method and device thereof and storage medium |
| TWI772765B (en) * | 2020-03-23 | 2022-08-01 | 新加坡商特靈新加坡企業私人有限公司 | Heat exchange system |
| WO2024093454A1 (en) * | 2022-10-31 | 2024-05-10 | 海信（广东）空调有限公司 | Dehumidifier |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202675486U (en) * | 2012-06-13 | 2013-01-16 | 上海朗诗节能技术有限公司 | All-air dehumidifier with filtering device by mixing fresh air with return air |
| CN105371395A (en) * | 2015-12-05 | 2016-03-02 | 泰豪科技股份有限公司 | Defrosting quantity adjustable low-temperature dehumidifier |
| KR20160037387A (en) * | 2014-09-27 | 2016-04-06 | (주)귀뚜라미 | Hybrid dehumidification system using supplying water of Indirect-Evaporation device in heat pump |
| CN205227615U (en) * | 2015-12-18 | 2016-05-11 | 上海朗绿建筑科技有限公司 | Take new trend dehumidification unit of heat of condensation recovery |
| CN205351765U (en) * | 2016-01-31 | 2016-06-29 | 佛山光腾新能源股份有限公司 | Swimming pool heat pump of wet function is taken out in area |
-
2017
- 2017-04-14 CN CN201710245457.2A patent/CN106931552B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202675486U (en) * | 2012-06-13 | 2013-01-16 | 上海朗诗节能技术有限公司 | All-air dehumidifier with filtering device by mixing fresh air with return air |
| KR20160037387A (en) * | 2014-09-27 | 2016-04-06 | (주)귀뚜라미 | Hybrid dehumidification system using supplying water of Indirect-Evaporation device in heat pump |
| CN105371395A (en) * | 2015-12-05 | 2016-03-02 | 泰豪科技股份有限公司 | Defrosting quantity adjustable low-temperature dehumidifier |
| CN205227615U (en) * | 2015-12-18 | 2016-05-11 | 上海朗绿建筑科技有限公司 | Take new trend dehumidification unit of heat of condensation recovery |
| CN205351765U (en) * | 2016-01-31 | 2016-06-29 | 佛山光腾新能源股份有限公司 | Swimming pool heat pump of wet function is taken out in area |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI772765B (en) * | 2020-03-23 | 2022-08-01 | 新加坡商特靈新加坡企業私人有限公司 | Heat exchange system |
| CN114777222A (en) * | 2022-04-25 | 2022-07-22 | 珠海格力电器股份有限公司 | Dehumidification system, control method and device thereof and storage medium |
| WO2024093454A1 (en) * | 2022-10-31 | 2024-05-10 | 海信（广东）空调有限公司 | Dehumidifier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106931552B (en) | 2023-04-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205878363U (en) | Heat recovery cooling dehumidification type fresh air processing unit that adjusts temperature | |
| CN105890070A (en) | Multi-condenser and double-return-air bypass dehumidification fresh air unit and air conditioning method | |
| CN109764438B (en) | Integral fresh air dehumidifying clothes dryer | |
| CN108679870A (en) | A kind of warm and humid sub-control air-conditioning system with Fresh air handing function | |
| CN102384539B (en) | Composite air-conditioning system combining air source heat pump system and rotating wheel dehumidification system | |
| CN106594908A (en) | Novel frostless air source heat pump system with runner dehumidification | |
| CN207438791U (en) | The air-conditioning system that a kind of rotary wheel dehumidifying is combined with earth source heat pump | |
| CN107178836A (en) | A kind of fresh air dehumidifying system provided with double heat exchanger cores | |
| CN109595704A (en) | A kind of efficient swimming pool heat pump dehumidifier and its working method | |
| CN104613574B (en) | Humiture independence control air conditioner system based on cascaded utilization of energy | |
| CN110207295A (en) | A kind of heat pump type air conditioner improving refrigeration and heating effect using condensed water | |
| CN206817647U (en) | A kind of dehydrating unit | |
| CN107575967A (en) | A kind of heat pump type air conditioning system and its operation method suitable for annual operating mode | |
| CN109595703A (en) | A kind of multistage cold source swimming pool heat pump dehumidifier and its working method | |
| CN109595705A (en) | A kind of energy conservation swimming pool heat pump dehumidifier and its working method | |
| CN106931552A (en) | A kind of dehydrating unit and its control method | |
| CN108826541A (en) | A kind of dehumidification heat exchange heat pump air conditioning system and its operation method with regenerator | |
| CN105823171A (en) | Novel air conditioner system with reinforced dehumidifying function | |
| CN209558595U (en) | Self coupling heat exchange and cold and heat recovery fresh air dehumidification air conditioner | |
| CN209558569U (en) | A kind of efficient swimming pool heat pump dehumidifier | |
| CN108224628A (en) | With reference to heat pump driven standpipe indirect evaporating-cooling and the air-conditioner set of solution dehumidification | |
| CN100451467C (en) | Combined method and device for treating air | |
| CN110469927A (en) | Self coupling heat exchange and cold and heat recovery fresh air dehumidification air conditioner | |
| CN106949547B (en) | Dehumidification apparatus and control method thereof | |
| CN206846948U (en) | Dehumidification equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |