CN107218665A - A kind of full air-conditioning system of frequency conversion family formula fresh air purifying - Google Patents

A kind of full air-conditioning system of frequency conversion family formula fresh air purifying Download PDF

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Publication number
CN107218665A
CN107218665A CN201710582564.4A CN201710582564A CN107218665A CN 107218665 A CN107218665 A CN 107218665A CN 201710582564 A CN201710582564 A CN 201710582564A CN 107218665 A CN107218665 A CN 107218665A
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China
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air
valve
water
heat exchanger
concentration
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CN201710582564.4A
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CN107218665B (en
Inventor
赵蕾
李延
张爽
李莉
王超
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Xian University of Architecture and Technology
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Xian University of Architecture and Technology
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0043Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0047Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

A kind of full air-conditioning system of frequency conversion family formula fresh air purifying, mainly it is made up of fresh air purifying processor and frequency conversion air-cooled cold/hot water machine, in fresh air purifying processor, fresh air is mixed with return air in mixing section, filtered through low efficient filter, exchanged heat, dehumidified with the water of freezing/but in surface-type heat exchanger, then by air outlet feeding interior after high efficiency particulate air filter, the present invention realizes the miniaturization of central air-conditioning, by temperature, humidity, CO2Concentration, PM2.5 regulations, provide annual healthy, comfortable indoor environment, and improve energy utilization rate to greatest extent;In transition season, it is not turned in the case of cold, system can also be filtered to air, according to indoor PM2.5, CO2Fresh air proportion and pressure fan rotating speed are adjusted concentration, it is ensured that the ventilation in transition season room, filled up traditional air conditioner and the blank of any regulation and control is not added with to indoor environment in transition season, in addition, may also be combined with the long-range monitoring and control that mobile phone A PP realizes parameter.

Description

A kind of full air-conditioning system of frequency conversion family formula fresh air purifying
Technical field
The invention belongs to HVAC technical field, the more particularly to a kind of full air-conditioning system of frequency conversion family formula fresh air purifying.
Background technology
With the improvement of living standards, people improve therewith for the comfortableness of human settlement and the requirement of health. In the indoor environmental condition control of house, villa, independent office etc., the application of split-type air conditioner and multi-gang air-conditioner still accounts for larger Share.It occurs in that many problems in application process, it is impossible to fully meet user to indoor air quality and environmental degree of comfort Requirement, the Central Regulation of indoor environment arises at the historic moment.
Firstly, since the deterioration of Outdoor Air Quality in recent years, people thirst for creating health, clean indoor environment.But It is that conventional at present split-type air conditioner and multi-gang air-conditioner are only capable for the treatment of temperature and humidity, for PM2.5 concentration, CO2Concentration, The monitoring and control of the parameters such as TVOC concentration is helpless.So user can only place hope on additional equipment or windowing ventilation is solved So the problem of.But additional equipment and it is passed through untreated fresh air and generally can not solves these problems well.Moreover, indoor The control of environment is carried out often the most easily using a set of equipment.It is desirable to by a set of equipment reach temperature, humidity, Air freshness and the multi-parameter of cleanliness factor are precisely adjusted.
Secondly, the control of traditional air conditioner is start-up and shut-down control.Indoor environment parameter reaches that setting value space-time adjusts out of service, low Startup optimization when setting value lower limit.Energy consumption of the system during frequently start and stop are run is compared to convertible frequency air-conditioner Big many of the energy consumption of continuous service.In addition, this start and stop operation forms significant fluctuations in indoor temperature, human body is added not Comfort.Energy-conservation can be reached and reduce the dual purpose of temperature fluctuation by matching coordinated operation using full frequency conversion Cooling and Heat Source, can be with Preferably substitute start and stop operation.
Again, the split-type air conditioner and multi-gang air-conditioner of current family expenses are not run often in conditioning in Transition Season, but indoor ring The increase of PM2.5 concentration and CO in border2The problem of concentration increase, is still present, this health to indoor occupant with it is comfortable very not Profit.
The content of the invention
In order to overcome the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of frequency conversion family formula fresh air purifying is complete Air-conditioning system, use can introduce fresh air and circulated air carries out the central air-conditioning of purified treatment, while realizing miniaturization, meet Healthy, comfortable temperature control, attractive in appearance, quick and technical property requirements, and preferable energy-saving effect can be obtained, in small indoor environment Application advantage it is obvious.
To achieve these goals, the technical solution adopted by the present invention is:
The full air-conditioning system of a kind of frequency conversion family formula fresh air purifying, mainly by fresh air purifying processor 1 and frequency conversion air-cooled cold/hot water Mechanism includes the pipeline with fresh wind port 2 and return air inlet 3 into, the fresh air purifying processor 1, fresh air that fresh wind port 2 is sent into and The return air that return air inlet 3 is sent into is mixed in the mixing section of pipeline, is filtered through low efficient filter 4, into surface-type heat exchanger 5 and freezing Water or cooling water carry out air heat humidity, and the air treated through surface-type heat exchanger 5 enters high efficiency filter under the driving of pressure fan 6 Device 7 is filtered again, sends into interior by air outlet 8 afterwards.
The frequency conversion air-cooled cold heat water dispenser includes frequency-changeable compressor 11, and frequency-changeable compressor 11 connects the pipe of four-way reversing valve 12 Mouthful a, the mouth of pipe b of four-way reversing valve 12 give a dinner for a visitor from afar cold heat exchanger 13, the connection water cooling heat exchanger 14 of air cooling heat exchanger 13, and refrigerant is in water The mouth of pipe d of four-way reversing valve 12 is followed by cold heat exchanger 14 with chilled water or cooling water heat exchange, the mouth of pipe c of four-way reversing valve 12 leads to Cross the tieback frequency-changeable compressor 11 of gas-liquid separator 15, chilled water or cooling water after heat exchange deliver to the surface-type heat exchanger 5 with Air heat-exchange, returns again to the circularly cooling of water cooling heat exchanger 14 or heat absorption afterwards.
Under summer condition, the mouth of pipe a of four-way reversing valve 12 is connected with mouth of pipe b inside valve, and mouth of pipe c and mouth of pipe d are in valve Portion is connected, so that the outlet of frequency-changeable compressor 11 is connected with the entrance of air cooling heat exchanger 13, now air cooling heat exchanger 13 is condensed Device is used;
Under winter condition, the mouth of pipe a of four-way reversing valve 12 is connected with mouth of pipe d inside valve, and mouth of pipe b and mouth of pipe c are in valve Portion is connected, so that the outlet of frequency-changeable compressor 11 is connected with water cooling heat exchanger 14, air cooling heat exchanger 13 is used as evaporator, its Refrigerant side outlet is connected with the entrance of gas-liquid separator 15, and the outlet of gas-liquid separator 15 takes back the entrance of frequency-changeable compressor 11.
The water cooling heat exchanger 14 is evaporator or condenser, and it is provided with water supply conduit to surface-type heat exchanger 5 The variable frequency pump 16 of integrated pump valve, the connecting line of the air cooling heat exchanger 13 and water cooling heat exchanger 14 is provided with electric expansion valve 27, the air outlet 8 is disposed in the interior eminence, from ABS or wooden air outlets, it is to avoid air port condenses;Return air inlet 3 be arranged on away from On the side wall of ground 50cm-70cm height, it is ensured that personnel are in recirculating zone.
The surface-type heat exchanger 5 is 9 DEG C, backwater temperature using the 8 combs design of full adverse current, standard cooling condition supply water temperature Spend for 16 DEG C;Summer, Air-Water can fully be exchanged heat, be dehumidified, and the wind pushing temperature after being processed will not be too low.Surface-type The lower section of heat exchanger 5 sets solidifying water pond 9, and condensate is drained into outdoor by solidifying water pond 9 by solidifying water comb 10, and pressure fan 6 is using efficient Centrifugal blower, configuring direct current brushless electric machine.
Return air temperature sensor 17, CO are provided with the return air inlet 32Concentration sensor 18 and PM2.5 concentration sensing Device 24;New air-valve 19 and the aperture of air returning valve 20 are by CO2Concentration set point (such as 500PPM) and return air CO2The comparison of concentration comes Control and regulation, if return air CO2When concentration exceedes setting value, the aperture of new air-valve 19 increase, while the aperture of air returning valve 20 reduces;If Return air CO2When concentration is less than setting value, the aperture of new air-valve 19 reduces, while the aperture of air returning valve 20 increases;The new air-valve 19 with When the linkage regulation of air returning valve 20, i.e. 19 aperture increase of new air-valve, the aperture of air returning valve 20 reduces, when the aperture of new air-valve 19 reduces, and returns The increase of the aperture of air-valve 20;The rotating speed of the pressure fan 6 is by PM2.5 concentration and CO2Concentration is controlled, as PM2.5 concentration and CO2 During both conflicts of concentration control, CO2Concentration only controls whether new air-valve 19 opens, and PM2.5 concentration controls the rotating speed of pressure fan 6; Proportion adjustment water valve with surface-type heat exchanger 5 in the frequency and circular water-loop of the variable frequency pump 16 of supporting integrated pump valve Aperture is controlled according to the comparison of return air temperature and its setting value (such as 22 DEG C), when return air temperature is close to its setting value, than The aperture of example water adjusting valve reduces, the reduction of water pump frequency, in water valve contract fully, still there is bare flow, plays antifreeze in the winter time Effect.
The confession of the surface-type heat exchanger 5, return water temperature are surveyed by supply water temperature sensor 21 and return water temperature sensor 22 Amount, when the frequency and water valve aperture of the variable frequency pump 16 of the integrated pump valve supporting with surface-type heat exchanger 5 change, surface The confession of formula heat exchanger 5, backwater temperature difference change therewith, and frequency-changeable compressor 11 comes according to the change of the difference variation and outside air temperature Change frequency, now the also correspondingly frequency-adjustable speed-adjustable of outdoor fan 23.
The aperture of the fresh wind port 2 and return air inlet 3 is adjusted by the new air-valve 19 and air returning valve 20 that are placed in inside respectively, Minimum air quantity air inlet is designed with new air-valve 19 and air returning valve 20, it is full to ensure still there is resh air requirement under circulated air pattern Foot interior minimum fresh air requirmente (about 100m3/ h) demand, while ensureing still there is a return air amount in all-fresh air pattern, obtain certain section Can effect.
System sets two kinds of control models, and one kind is indoor control, and another is mobile phone remote control, and indoor control divides again For manual mode and automatic mode;
When using manual mode being air conditioning mode, the rotating speed of pressure fan 6 is manually set, now the invariablenes turning speed of pressure fan 6, no Changed again by the comparison of return air temperature and its setting value, according only to supplying, the comparison of backwater temperature difference and its setting value changes The frequency of frequency-changeable compressor 11, the frequency of outdoor frequency conversion fan 23 accordingly changes therewith, so as to keep constant indoor temperature constant pressure;
During using automatic mode, it is not recommended that open air-cooled cold heat water dispenser (Cooling and Heat Source), be mainly used in transition season, according to CO2The rotating speed of pressure fan 6 is opened and changed to concentration control new air-valve 19 whether, as PM2.5 concentration and CO2Concentration is to pressure fan 6 Control instruction conflict when, CO2Concentration only controls whether new air-valve 19 opens, turn of the PM2.5 concentration control pressure fan 6 of return air Speed;
When being controlled using mobile phone remote, operational mode, wind speed regulation and indoor temperature and humidity, CO can be selected2Concentration, The inquiry of the historical record of PM2.5 concentration and instant situation.
During summer cooling, water cooling heat exchanger 14 treats the water temperature after air for 16 DEG C or so, therefore system can be with capillary Pipe radiation cooling Cascade System is used, and indoor environment internal consistency of general comfort is further enhanced;
During Winter heat supply, the supply water temperature of standard supplying thermal condition is 40 DEG C, and return water temperature is that, at 33 DEG C, so, condensation is warm Degree will not be too high, can improve the efficiency of full air-conditioning system;System also can be with the system combined work of indoor ground-heating, ground heating system Thermic load (floor heating supply water temperature is maintained at 35~40 DEG C) is undertaken, fresh air purifying processor 1 only undertakes new wind load, can pass through Manually or automatically pattern causes hot discomfort being adjusted to ensure that the new air temperature after processing only high.
Compared with prior art, the beneficial effects of the invention are as follows:
1) use of the present invention can automatically control newly, the fresh air purifying processor of return air when breeze fan, relative to tradition Air-conditioning has more preferable comfortableness and indoor air quality.
2) minimum air quantity air inlet is equipped with the fresh wind port of fresh air purifying processor and the air-valve of return air inlet, to ensure All-fresh air pattern still has return air amount, reaches energy-saving effect, still there is fresh air under circulated air pattern, meets indoor minimum fresh air requirmente 100m3/ h demand.
3) pressure fan uses efficient centrifugal blower fan, configuring direct current brushless electric machine, relative to traditional air conditioner efficiency high, noise It is small.Fresh air purifying crew qiting double-filtration (G4+H12), effectively filtering PM2.5 and most of bacterium mould, filter efficiency can Up to 95%.
4) using advanced PWM variable frequency pumps, frequency-changeable compressor and outdoor frequency conversion fan, variable air rate, variable water volume, change are accomplished The design of refrigerant amount (VAV/VWV/VRV), so as to reduce energy consumption, improves Cooling and Heat Source unit utilization rate, with minimum energy consumption, wound Make healthy, comfortable indoor environment.
5) fresh air purifying air-conditioner set can be installed in kitchen or toilet furred ceiling, and the design of unit integration can save sky Between.Unit double air outlet, double back air port designs, can avoid pipeline monitor, reduce thickness of interlayer, effective utilization space.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is fresh air purifying processor structure schematic diagram of the present invention.
Fig. 3 is surface-type heat exchanger bottom discharge structure schematic diagram of the present invention.
Embodiment
Describe embodiments of the present invention in detail with reference to the accompanying drawings and examples.
As shown in figure 1, the full air-conditioning system of frequency conversion family formula fresh air purifying of the present invention, the system is by fresh air purifying processor 1 With frequency conversion air-cooled cold/hot water mechanism into.Reference picture 2, fresh air purifying processor 1 includes a fresh wind port 2 and two return air inlets 3, Fresh air is mixed with return air in pipeline mixing section, is filtered by low efficient filter 4, in surface-type heat exchanger 5 with freezing/but water enter Row heat exchange, dehumidifying, the air treated under the driving of pressure fan 6 flow through high efficiency particulate air filter 7 and filtered, afterwards by two air-supplies The feeding of mouth 8 is indoor, and air outlet 8 is disposed in the interior eminence, from ABS or wooden air outlets, it is to avoid air port condenses, and return air inlet 3 is set Put on the side wall away from ground 50cm-70cm height, it is ensured that personnel are in recirculating zone.According to season, selection using chilled water or Cooling water.
Frequency conversion air-cooled cold heat water dispenser includes frequency-changeable compressor 11, and frequency-changeable compressor 11 meets the mouth of pipe a of four-way reversing valve 12, The mouth of pipe b of four-way reversing valve 12 is given a dinner for a visitor from afar cold heat exchanger 13, the connection water cooling heat exchanger 14 of air cooling heat exchanger 13, and refrigerant is changed in water cooling The mouth of pipe d of four-way reversing valve 12 is followed by hot device 14 with chilled water or cooling water heat exchange, the mouth of pipe c of four-way reversing valve 12 passes through gas The tieback frequency-changeable compressor 11 of liquid/gas separator 15, chilled water or cooling water after heat exchange deliver to surface-type via surface cooler water inlet 25 Heat exchanger 5 and air heat-exchange, return again to the circularly cooling of water cooling heat exchanger 14 or heat absorption by surface cooler delivery port 26 afterwards.
According to season, water cooling heat exchanger 14 is evaporator or condenser, and it sets in water supply conduit to surface-type heat exchanger 5 The variable frequency pump 16 of integrated pump valve is equipped with, the connecting line of air cooling heat exchanger 13 and water cooling heat exchanger 14 is provided with electric expansion valve 27.As shown in figure 3, the lower section of surface-type heat exchanger 5 sets solidifying water pond 9, condensate is drained into room by solidifying water pond 9 by solidifying water comb 10 Outside, pressure fan 6 uses efficient centrifugal blower fan, and configuring direct current brushless electric machine can effectively reduce noise.
Wherein, the aperture of fresh wind port 2 and return air inlet 3 is adjusted by the new air-valve 19 and air returning valve 20 that are placed in inside respectively Section, the rotating speed of pressure fan 6 is by indoor CO2Concentration and PM2.5 concentration control, the frequency of frequency-changeable compressor 11 by freezing/but water supply, backwater The temperature difference is controlled, and proportion adjustment water valve aperture is by return air temperature and setting return air temperature difference shadow in the variable frequency pump 16 of integrated pump valve Ring, when proportion adjustment water valve aperture reduces, water pump is increased by resistance, frequency reduction is on the contrary then increase.
Minimum air quantity air inlet is designed with new air-valve 19 and air returning valve 20, it is new to ensure still to have under circulated air pattern Air quantity, meets demand (the about 100m of indoor minimum fresh air requirmente3/ h), it can also ensure still there is return air amount in all-fresh air pattern, obtain Certain energy-saving effect.Surface-type heat exchanger 5 is 9 DEG C using the 8 combs design of full adverse current, standard cooling condition supply water temperature, is returned Coolant-temperature gage is 16 DEG C.Summer, Air-Water can fully be exchanged heat, be dehumidified, and the wind pushing temperature after being processed will not be too low.
Under cooling in summer operating mode, the mouth of pipe a of four-way reversing valve 12 is connected with mouth of pipe b inside valve, and the mouth of pipe c and d are in valve Portion is connected, so that the outlet of frequency-changeable compressor 11 is connected with the entrance of air cooling heat exchanger 13;Under winter heating's operating mode, four-way commutation The mouth of pipe a of valve 12 is connected with mouth of pipe d inside valve, mouth of pipe b is connected with mouth of pipe c inside valve, so that frequency-changeable compressor 11 goes out Mouth is connected with water cooling heat exchanger 14, and the outlet of air cooling heat exchanger 13 is connected with the entrance of gas-liquid separator 15, gas-liquid separator 15 Outlet takes back the entrance of frequency-changeable compressor 11.
Return air temperature sensor 17, CO are provided with during specific works, in backwind tube2Concentration sensor 18 and PM2.5 are dense Spend sensor 24;New air-valve 19 and the aperture of air returning valve 20 are by CO2Concentration set point and return air CO2The comparison of concentration controlling and Regulation, such as, and CO2Concentration set point is 500PPM, if the CO of return air2When concentration exceedes setting value, the increase of the aperture of new air-valve 19, The aperture of air returning valve 20 reduces simultaneously;If CO2When concentration is less than setting value, the aperture of new air-valve 19 reduces, while the aperture of air returning valve 20 Increase;When new air-valve 19 is with the linkage regulation of air returning valve 20, i.e. 19 aperture increase of new air-valve, the aperture of air returning valve 20 reduces.Wherein, return Air temperature setting value is 22 DEG C, CO2Concentration set point is 500PPM.The rotating speed of blower fan 6 equipped with DC brushless motor is by PM2.5 Concentration and CO2Concentration is controlled, as PM2.5 concentration and CO2During both coincidences of concentration control, CO2Concentration only controls new air-valve 19 Whether open, PM2.5 concentration controls the rotating speed of pressure fan 6.The variable frequency pump 16 of supporting integrated pump valve with surface-type heat exchanger 5 Frequency and circular water-loop in the aperture of proportion adjustment water valve controlled according to the comparison of return air temperature and its setting value, when When return air temperature is close to its setting value, the aperture of proportion adjustment water valve reduces, the reduction of water pump frequency, in water valve contract fully, still There is bare flow, winter can play antifreeze effect.The confession of surface-type heat exchanger, return water temperature is by supply water temperature sensor 21 and returns Water temperature sensor 22 is measured, when the frequency and water valve aperture of variable frequency pump 16 change, the confession of surface-type heat exchanger 5, Backwater temperature difference changes therewith, and frequency-changeable compressor 11 is according to the confession, backwater temperature difference change and outside air temperature of surface-type heat exchanger Change changes frequency, now outdoor fan 23 also can correspondingly frequency-adjustable speed-adjustable, so as to reach energy-saving effect.System has two kinds of controls Molding formula, one kind is indoor control, another for mobile phone remote control.Indoor control be divided into again manual mode (air conditioning mode) and Automatic mode.During using manual mode, the rotating speed of pressure fan 6 is manually set, now the rotating speed of pressure fan 6 will no longer change, no longer Changed by the comparison of return air temperature and its setting value, according only to supplying, the comparison of backwater temperature difference and its setting value change change The frequency of frequency compressor 11, the frequency of outdoor frequency conversion fan 23 accordingly changes therewith, so as to keep constant indoor temperature constant pressure;Using certainly During dynamic model formula, it is not recommended that open air-cooled cold (heat) water dispenser (Cooling and Heat Source), be mainly used in transition season, by CO2Concentration controls fresh air The rotating speed of pressure fan 6 is opened and changed to valve 19 whether, as PM2.5 concentration and CO2Concentration is overlapped to the control instruction of pressure fan 6 When, CO2Concentration only controls whether new air-valve 19 opens, and the PM2.5 concentration of return air controls the rotating speed of pressure fan 6.
When being controlled using mobile phone remote, operational mode, wind speed regulation and indoor temperature and humidity, CO can be selected2Concentration, The inquiry of the historical record of PM2.5 concentration and instant situation.
During summer cooling, it is 16 DEG C or so that the water temperature after air is treated because of water cooling heat exchanger, therefore can be with capillary spoke Penetrate cold supply system to be used in series, indoor environment internal consistency of general comfort is further enhanced.
During Winter heat supply, the supply water temperature of standard supplying thermal condition is 40 DEG C, and return water temperature is at 33 DEG C.So, temperature is condensed Degree will not be too high, can improve the efficiency of full air-conditioning system.The system can also combine work with the ground heating system of indoor use Make, ground heating system undertakes thermic load (floor heating supply water temperature is maintained at 35~40 DEG C), fresh air purifying processor 1 only undertakes fresh air and born Lotus, manually or automatically pattern can cause hot discomfort being adjusted to ensure that the new air temperature after processing only high.
To sum up, the aperture of the full air-conditioning system of frequency conversion family formula fresh air purifying of the present invention, new air-valve and air returning valve is according to return air CO2Concentration is adjusted, and pressure fan rotating speed is according to CO2Adjusted with PM2.5 concentration, proportion adjustment water valve in frequency conversion air-cooled cold heat water dispenser Aperture adjusted according to return air temperature, frequency-changeable compressor frequency according to freezing/but water supply, backwater temperature difference adjust, and then change room Outer rotation speed of fan.By by return air CO2Concentration is compared with its setting value, size and the air-supply of control resh air requirement and return air amount The rotating speed of machine;By the comparison to return air temperature and its setting value, the rotating speed of control water valve aperture and water pump.By using change Frequency compressor, the drive manner for heating, freezing and dehumidifying can be automatically selected according to environment temperature, makes room fast in a short time Speed reaches required temperature, and is fluctuated under the slow-speed of revolution, low power consuming with the less temperature difference, realizes energy-conservation, quickly and comfortably controls Temp effect;And can technical parameter (indoor temperature and humidity change, PM2.5, CO every to air-conditioning system2Concentration) it is controlled, Parameters can be carried out with compartmentalization setting and modification simultaneously, the minimizing of large-scale high-end central air conditioner system is realized, exquisite Change application.By to temperature, humidity, CO2Concentration, the regulation of PM2.5 concentration, provide annual healthy, comfortable room to greatest extent Interior environment, improves comfort level, and improve energy utilization rate.In transition season, in the case of being not turned on cold, system also can be right Air is filtered, according to indoor PM2.5 concentration, CO2Fresh air proportion and pressure fan rotating speed are adjusted concentration, it is ensured that mistake The ventilation crossed in season room, has filled up the blank that traditional air conditioner is not added with any regulation and control in transition season to indoor environment.

Claims (10)

1. the full air-conditioning system of a kind of frequency conversion family formula fresh air purifying, mainly by fresh air purifying processor (1) and frequency conversion air-cooled cold/hot water Mechanism includes the pipeline with fresh wind port (2) and return air inlet (3) into, it is characterised in that the fresh air purifying processor (1), newly The fresh air of air port (2) feeding and the return air of return air inlet (3) feeding are mixed in the mixing section of pipeline, are filtered through low efficient filter (4), Air heat humidity is carried out into surface-type heat exchanger (5) and chilled water or cooling water, the air treated through surface-type heat exchanger (5) Enter high efficiency particulate air filter (7) under pressure fan (6) driving to filter again, sent into afterwards by air outlet (8) indoor.
2. the full air-conditioning system of frequency conversion family formula fresh air purifying according to claim 1, it is characterised in that the frequency conversion air-cooled is cold/ Hot water machine includes frequency-changeable compressor (11), and frequency-changeable compressor (11) meets the mouth of pipe a of four-way reversing valve (12), four-way reversing valve (12) Mouth of pipe b give a dinner for a visitor from afar cold heat exchanger (13), air cooling heat exchanger (13) connection water cooling heat exchanger (14), refrigerant is in water cooling heat exchanger (14) mouth of pipe d of four-way reversing valve (12) is followed by chilled water or cooling water heat exchange, the mouth of pipe c of four-way reversing valve (12) passes through Gas-liquid separator (15) tieback frequency-changeable compressor (11), chilled water or cooling water after heat exchange deliver to the surface-type heat exchanger (5) and air heat-exchange, water cooling heat exchanger (14) circularly cooling or heat absorption are returned again to afterwards.
3. the full air-conditioning system of frequency conversion family formula fresh air purifying according to claim 2, it is characterised in that under summer condition, four-way The mouth of pipe a of reversal valve (12) is connected with mouth of pipe b inside valve, and mouth of pipe c is connected with mouth of pipe d inside valve, so that frequency-changeable compressor (11) outlet is connected with the entrance of air cooling heat exchanger (13), and now air cooling heat exchanger (13) is used as condenser;Winter condition Under, the mouth of pipe a of four-way reversing valve (12) is connected with mouth of pipe d inside valve, and mouth of pipe b is connected with mouth of pipe c inside valve, so that frequency conversion The outlet of compressor (11) is connected with water cooling heat exchanger (14), and air cooling heat exchanger (13) is used as evaporator, its refrigerant side Outlet is connected with gas-liquid separator (15) entrance, and the outlet of gas-liquid separator (15) takes back frequency-changeable compressor (11) entrance.
4. the full air-conditioning system of frequency conversion family formula fresh air purifying according to Claims 2 or 3, it is characterised in that the water cooling heat exchange Device (14) is evaporator or condenser, and it is provided with the frequency conversion water of integrated pump valve in water supply conduit to surface-type heat exchanger (5) The connecting line of pump (16), the air cooling heat exchanger (13) and water cooling heat exchanger (14) is provided with electric expansion valve (27), described Air outlet (8) is disposed in the interior eminence, from ABS or wooden air outlets, it is to avoid air port condenses;Return air inlet (3) is arranged on away from ground On the side wall of face 50cm-70cm height, it is ensured that personnel are in recirculating zone.
5. the full air-conditioning system of frequency conversion family formula fresh air purifying according to claim 1, it is characterised in that the surface-type heat exchanger (5) using the 8 combs design of full adverse current, standard cooling condition supply water temperature is 9 DEG C, and return water temperature is 16 DEG C;Surface-type heat exchanger (5) lower section sets solidifying water pond (9), and condensate is drained into outdoor by solidifying water pond (9) by solidifying water comb (10), and pressure fan (6) is used Efficient centrifugal blower fan, configuring direct current brushless electric machine.
6. the full air-conditioning system of frequency conversion family formula fresh air purifying according to claim 1, it is characterised in that return air inlet (3) place It is provided with return air temperature sensor (17), CO2Concentration sensor (18) and PM2.5 concentration sensors (24);New air-valve (19) Aperture with air returning valve (20) is by CO2Concentration set point and return air CO2The comparison of concentration is controlled and adjusted, if return air CO2Concentration During more than setting value, new air-valve (19) aperture increase, while air returning valve (20) aperture reduces;If return air CO2Concentration is less than setting During value, new air-valve (19) aperture reduces, while air returning valve (20) aperture increases;The new air-valve (19) is linked with air returning valve (20) When regulation, i.e. new air-valve (19) aperture increase, air returning valve (20) aperture reduces, when new air-valve (19) aperture reduces, air returning valve (20) aperture increase;The rotating speed of the pressure fan (6) is by PM2.5 concentration and CO2Concentration is controlled, as PM2.5 concentration and CO2 During both conflicts of concentration control, CO2Concentration only controls whether new air-valve (19) opens, turn of PM2.5 concentration control pressure fan (6) Speed;Ratio with surface-type heat exchanger (5) in the frequency and circular water-loop of the variable frequency pump (16) of supporting integrated pump valve is adjusted The aperture of thrift lock is controlled according to the comparison of return air temperature and its setting value, when return air temperature is close to its setting value, ratio The aperture of water adjusting valve reduces, the reduction of water pump frequency, in water valve contract fully, still there is bare flow, antifreeze work is played in the winter time With.
7. the full air-conditioning system of frequency conversion family formula fresh air purifying according to claim 1, it is characterised in that the surface-type heat exchanger (5) confession, return water temperature are measured by supply water temperature sensor (21) and return water temperature sensor (22), when with surface-type heat exchanger (5) when the frequency and water valve aperture of the variable frequency pump (16) of supporting integrated pump valve change, surface-type heat exchanger (5) Change therewith for, backwater temperature difference, frequency-changeable compressor (11) changes frequency according to the change of the difference variation and outside air temperature, Now outdoor fan (23) also correspondingly frequency-adjustable speed-adjustable.
8. the full air-conditioning system of frequency conversion family formula fresh air purifying according to claim 1, it is characterised in that the fresh wind port (2) and The aperture of return air inlet (3) is adjusted by the new air-valve (19) and air returning valve (20) that are placed in inside respectively, new air-valve (19) and time Minimum air quantity air inlet is designed with air-valve (20), to ensure still to have under circulated air pattern resh air requirement, meets indoor minimum The demand of resh air requirement, while ensureing still there is return air amount in all-fresh air pattern, obtains certain energy-saving effect.
9. the full air-conditioning system of frequency conversion family formula fresh air purifying according to claim 1, it is characterised in that system sets two kinds of controls Pattern, one kind is indoor control, and another to be controlled for mobile phone remote, indoor control is divided into manual mode and automatic mode again;
When using manual mode being air conditioning mode, the rotating speed of pressure fan (6) is manually set, now pressure fan (6) invariablenes turning speed, no Changed again by the comparison of return air temperature and its setting value, according only to supplying, the comparison of backwater temperature difference and its setting value changes The frequency of frequency-changeable compressor (11), the frequency of outdoor frequency conversion fan (23) accordingly changes therewith, so as to keep constant indoor temperature constant pressure;
During using automatic mode, it is mainly used in transition season, according to CO2Whether concentration control new air-valve (19) is opened and is changed The rotating speed of pressure fan (6), as PM2.5 concentration and CO2When concentration conflicts to the control instruction of pressure fan (6), CO2Concentration is only controlled Whether new air-valve (19) opens, the rotating speed of the PM2.5 concentration control pressure fan (6) of return air;
When being controlled using mobile phone remote, operational mode, wind speed regulation and indoor temperature and humidity, CO can be selected2Concentration, PM2.5 are dense The inquiry of the historical record of degree and instant situation.
10. the full air-conditioning system of frequency conversion family formula fresh air purifying according to claim 1, it is characterised in that
During summer cooling, it is 16 DEG C or so that water cooling heat exchanger (14), which treats the water temperature after air, and system is supplied with capillary radiation Cooling system is used in series;
During Winter heat supply, the supply water temperature of standard supplying thermal condition is 40 DEG C, and return water temperature is at 33 DEG C;System and indoor ground-heating system System associated working, ground heating system undertakes thermic load, and fresh air purifying processor (1) only undertakes new wind load.
CN201710582564.4A 2017-07-17 2017-07-17 Frequency conversion household type fresh air purification full air conditioning system Active CN107218665B (en)

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