CN207146721U - A kind of full air-conditioning system of family formula fresh air purifying suitable for cold district - Google Patents
A kind of full air-conditioning system of family formula fresh air purifying suitable for cold district Download PDFInfo
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- CN207146721U CN207146721U CN201720873943.4U CN201720873943U CN207146721U CN 207146721 U CN207146721 U CN 207146721U CN 201720873943 U CN201720873943 U CN 201720873943U CN 207146721 U CN207146721 U CN 207146721U
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 103
- 238000001816 cooling Methods 0.000 claims abstract description 46
- 238000002347 injection Methods 0.000 claims abstract description 38
- 239000007924 injection Substances 0.000 claims abstract description 38
- 239000000498 cooling water Substances 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 239000003507 refrigerant Substances 0.000 claims abstract description 21
- 230000007704 transition Effects 0.000 claims abstract description 9
- 238000009423 ventilation Methods 0.000 claims abstract description 5
- 239000002918 waste heat Substances 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 28
- 238000013461 design Methods 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 7
- 238000004146 energy storage Methods 0.000 claims description 6
- 238000010257 thawing Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000008400 supply water Substances 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 230000002411 adverse Effects 0.000 claims description 3
- 230000002528 anti-freeze Effects 0.000 claims description 3
- 210000001520 comb Anatomy 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- 230000003134 recirculating effect Effects 0.000 claims description 3
- 238000004134 energy conservation Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims 2
- 238000007710 freezing Methods 0.000 abstract description 4
- 230000008014 freezing Effects 0.000 abstract description 4
- 230000003750 conditioning effect Effects 0.000 abstract description 3
- 230000036541 health Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- 230000009467 reduction Effects 0.000 description 1
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Abstract
A kind of full air-conditioning system of family formula fresh air purifying suitable for cold district, mainly it is made up of fresh air purifying processor and air-cooled cold/hot water machine, in fresh air purifying processor, fresh air is mixed with return air and filtered through low efficient filter, in surface-type heat exchanger with freezing/but water exchanged heat, interior is sent into by air outlet after the air treated under pressure fan drives flows through high efficiency particulate air filter, in air-cooled cold heat water dispenser, using air cooling heat exchanger and water cooling heat exchanger to refrigerant heat exchanger, the cooling water loop of water cooling heat exchanger is connected with surface-type heat exchanger, the start and stop of air injection enthalpy-increasing compressor are according to outdoor temperature and freezing/but water confession, backwater temperature difference controls.Conditioning in Transition Season, air-to-water heat pump are not turned on, and fresh air purifying processor is used alone and ensures that indoor good ventilation and waste heat eliminate.The utility model realizes the miniaturized application of central air-conditioning, can meet the winter heating demand of cold district, can also ensure the requirement of summer and conditioning in Transition Season indoor air quality and thermal comfort.
Description
Technical field
The invention belongs to HVAC technical field, more particularly to a kind of family formula fresh air purifying suitable for cold district is complete
Air-conditioning system.
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.There are many problems in application process in it, it is impossible to fully meets 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 currently used 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 solves
The problem of such.But additional equipment and it is passed through untreated fresh air and generally can not solves these problems well.It is 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, efficiently and reliably long-term in -15 DEG C of atmospheric environment must be transported according to meteorological data, air source heat pump
Turn, can just meet the winter heating demand of China's cold district.The normal air source heat pump hot water of current southern in the market
Group can not have its source in what China's cold district was applied：(1) reduction of environment temperature, the increase of refrigerant suction specific volume, refrigeration
Agent mass flow declines, and heating capacity also just declines in proportion accordingly.The system of phase same horsepower, works at low ambient temperatures, table
Reveal smaller heating capacity；(2) raising of the final heating-up temperature of water, GB/T21362-2008《Business or industry and similar applications
Heat pump water-heating machine》It is 55 DEG C that the final heating-up temperature of hot water is provided in national standard.But in areas such as Europe, it is contemplated that legion
The influence of germ, it is desirable to which leaving water temperature is 65 DEG C.Therefore, as continuous lifting of the people to health perception, hot water finally heat
Temperature may also be improved further.
Again, the split-type air conditioner of family expenses and multi-gang air-conditioner are not run often in conditioning in Transition Season at present, 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.Can preferably solve the problem using the central air-conditioning that can introduce fresh air and circulated air progress purified treatment.Central hollow
Adjust the application advantage in small indoor environment obvious.Therefore a kind of new house, light business's air-conditioning system --- suitable for cold
The full air-conditioning system of family formula fresh air purifying in area can be while healthy, comfortable, attractive in appearance and technical property requirements be met, well
Solves this problem.
The content of the invention
The shortcomings that in order to overcome above-mentioned prior art, it is an object of the invention to provide a kind of family suitable for cold district
The full air-conditioning system of formula fresh air purifying, by by return air CO2Concentration compares with its setting value, controls the big of resh air requirement and return air amount
Small and pressure fan rotating speed；By the comparison to return air temperature and its setting value, water valve aperture is controlled.This system by using
Air injection enthalpy-increasing compressor can be in the case of evaporator cycle fluid identical, compared with ordinary single-stage compressor, and evaporator is inhaled
Heat increase, the increase of condenser heat rejection amount, heating capacity is stronger, is more suitable for cold district；Secondly, this system can be to air-conditioning
System items technical parameter (indoor temperature and humidity change, PM2.5, CO2Concentration) it is controlled, while parameters can be carried out
Compartmentalization is set and modification, realizes miniaturization, the sophistication application of large-scale high-end central air conditioner system.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of full air-conditioning system of family formula fresh air purifying suitable for cold district, mainly include the He of fresh air purifying processor 1
Air-cooled cold heat water dispenser, the fresh air purifying processor 1 include the pipeline with fresh wind port 2 and return air inlet 3, what fresh wind port 2 was sent into
The return air that fresh air and return air inlet 3 are sent into mixes in the mixing section of pipeline, is filtered by low efficient filter 4, is exchanged heat into surface-type
Device 5 carries out air heat humidity with chilled water or cooling water, enters through the air that surface-type heat exchanger 5 treats under the driving of pressure fan 6
Enter high efficiency particulate air filter 7 to filter again, interior be sent into by air outlet 8 afterwards, it is characterised in that：
The air-cooled cold heat water dispenser includes air injection enthalpy-increasing compressor 9, and air injection enthalpy-increasing compressor 9 connects four-way reversing valve 10
Mouth of pipe a and stop valve 2 18 is provided with connecting line, the mouth of pipe b water receivings cold heat exchanger 11 of four-way reversing valve 10, water cooling is changed
Hot device 11 connects the entrance of shwoot gas-liquid separator 13 and electric expansion valve 1 and valve 1 is disposed with connecting line,
The mouth of pipe c of four-way reversing valve 10 connects gas-liquid separator 17, the gas vent tieback air injection enthalpy-increasing compressor 9 of gas-liquid separator 17,
The mouth of pipe d of four-way reversing valve 10 gives a dinner for a visitor from afar cold heat exchanger 16, and air cooling heat exchanger 16 connects electric expansion valve 1 and on connecting line
Electric expansion valve 2 15 and valve 2 33 are disposed with, shwoot gas-liquid separator 13 is also connected on electric expansion valve 2 15 and valve
On pipeline between 2 33, gas vent tieback air injection enthalpy-increasing compressor 9 and stop valve 1 is provided with connecting line, institute
Surface-type heat exchanger 5 is stated to connect with the cooling water loop of water cooling heat exchanger 11.
The surface-type heat exchanger 5 on the connecting line of the cooling water loop head of water cooling heat exchanger 11 with being provided with accumulation of energy water
Case 29, and the connecting line between the connecting line of surface-type heat exchanger 5 and the cooling water ring way outlet of water cooling heat exchanger 11 the same as setting
Bypass line is equipped with, bypass line is by triple valve 19 with surface-type heat exchanger 5 and the cooling water ring way outlet of water cooling heat exchanger 11
Connecting line connection.
The aperture of the triple valve 19 is compared control by return air temperature and design temperature, when return air temperature is close to design temperature
When, water adjusting valve main line aperture reduces, the increase of bypass branch aperture；Conversely, if return air temperature deviates design temperature, triple valve
The increase of main line aperture, bypass valve opening also reduce therewith so that the water quantity holding by water cooling heat exchanger 11 is constant.
During winter heating's operating mode, the mouth of pipe a of four-way reversing valve 10 connects with mouth of pipe b inside valve, and mouth of pipe c and mouth of pipe d exist
Connected inside valve, the water cooled heat exchanger 11 of refrigerant of air injection enthalpy-increasing compressor 9 is exchanged heat, and valve 1 is opened, and valve 2 33 closes
Close, refrigerant loopback air injection enthalpy-increasing compressor 9 after the separation of shwoot gas-liquid separator 13 after heat exchange；Exchanged heat in water cooling heat exchanger 11
Cooling water afterwards delivers to surface-type heat exchanger 5 and air heat-exchange, the cooling after the heat exchange of surface-type heat exchanger 5 after flowing through triple valve 19
Water returns again to the circulation heat absorption of water cooling heat exchanger 11；
When cooling in summer operating mode or winter frost removing, the mouth of pipe a of four-way reversing valve 10 connects with mouth of pipe d inside valve, pipe
Mouth b connects with mouth of pipe c inside valve, and the refrigerant of air injection enthalpy-increasing compressor 9 exchanges heat through air cooling heat exchanger 16, and valve 1 closes
Close, valve 2 33 is opened, and refrigerant is not passed through shwoot gas-liquid separator 13, but enters gas-liquid separation via water cooling heat exchanger 11
Loopback air injection enthalpy-increasing compressor 9 after device 17 separates；2 15 pairs of refrigerant depth throttlings of electric expansion valve, refrigerant is in air-cooled heat exchange
After being exchanged heat in device 16 air injection enthalpy-increasing compressor 9, electric expansion valve 1 and electric expansion valve 2 15 are flowed back to through gas-liquid separator 17
Aperture jointly controlled according to outside air temperature and confession, backwater temperature difference, realize the regulation of source pump cold/heat supply ability；
During defrosting operating condition, a certain amount of hot water heated is stored in energy storage water tank 29, on the one hand ensures normally entering for circulation
OK, the quickly defrosting to air cooling heat exchanger 16 is realized, on the other hand continues to ensure to provide hot water to Fresh air handing device 1, avoids pair
Indoor feeding cold wind.
Transition season, air-to-water heat pump are not run, and outdoor fresh air after Fresh air handing unit filtration, purification through being sent into
Interior, ventilation, eliminate waste heat.
Return air temperature sensor 20, CO are provided with the return air inlet 32Concentration sensor 21 and PM2.5 concentration sensing
Device 22；New air-valve 23 and the aperture of air returning valve 24 are by CO2Concentration set point and return air CO2The comparison of concentration is controlled and adjusted, if
Return air CO2When concentration exceedes setting value, the increase of the aperture of new air-valve 23, while the aperture of air returning valve 24 reduces；If CO2Concentration is less than
During setting value, the aperture of new air-valve 23 reduces, while the aperture of air returning valve 24 increases；New air-valve 23 is adjusted with the linkage of air returning valve 24, i.e.,
When the aperture of new air-valve 23 increases, the aperture of air returning valve 24 reduces, and when the aperture of new air-valve 23 reduces, the increase of the aperture of air returning valve 24 is described
The rotating speed of pressure fan 6 is by PM2.5 concentration and CO2Concentration controls, as PM2.5 concentration and CO2During both coincidences of concentration control,
CO2Concentration only controls whether new air-valve 23 opens, and PM2.5 concentration controls the rotating speed of pressure fan 6, is kept out the wind speed high, medium and low three
Between change；Air-cooled cold heat water dispenser is with the aperture in the triple valve 19 on the connecting line of surface-type heat exchanger 5 according to return air temperature
And its comparison of setting value is adjusted, when return air temperature is close to its setting value, proportion adjustment aperture reduces, complete in triple valve 19
During closing, still there is bare flow, play antifreeze effect in the winter time.
The confession of the surface-type heat exchanger 5, return water temperature are surveyed by supply water temperature sensor 25 and return water temperature sensor 26
Amount, when proportion adjustment water valve aperture changes in triple valve 19, the confession of surface-type heat exchanger 5, backwater temperature difference change therewith,
Air injection enthalpy-increasing compressor 9 controls it according to the contrast of outside air temperature and surface-type heat exchanger confession, backwater temperature difference and setting value
Open or stop.
The aperture of the fresh wind port 2 and return air inlet 3 is adjusted by the new air-valve 23 and the air returning valve 24 that are placed in inside respectively
Save, minimum air quantity air inlet is designed with new air-valve 23 and air returning valve 24, to ensure still there is resh air requirement under circulated air pattern,
Meet the needs of indoor minimum fresh air requirmente, while ensure still there is return air amount in all-fresh air pattern, obtain certain energy-saving effect.
Two kinds of control models can be set in the system, and one kind is indoor control, and another kind controls for mobile phone remote, indoor control
It is divided into manual mode and automatic mode again；
During using manual mode, the rotating speed of pressure fan 6 is manually set, now the invariablenes turning speed of pressure fan 6, no longer passes through return air
The comparison of temperature and its setting value and change, according only to supply, the comparison of backwater temperature difference and its setting value determines air injection enthalpy-increasing pressure
The start and stop of contracting machine 9, so as to keep constant indoor temperature constant pressure；
During using automatic mode, it is mainly used in transition season, by CO2Whether concentration control fresh air air-valve 23 is opened and is changed
Become the rotating speed of pressure fan 6, as PM2.5 concentration and CO2When concentration overlaps to the control instruction of pressure fan 6, CO2Concentration only controls newly
Whether wind air-valve 23 is opened, 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,
The inquiry of the historical record of PM2.5 concentration and instant situation.
The surface-type heat exchanger 5 is using the 8 combs design of full adverse current；The lower section of surface-type heat exchanger 5 sets solidifying water pond 30, coagulates
Condensate is drained into outdoor by water pond 30 by condensate comb 31, and pressure fan 6 uses efficient centrifugal blower fan, configuring direct current is brushless electricity
Machine, the air outlet 8 are disposed in the interior eminence, from ABS or wooden air outlets, avoid air port from condensing, air supply direction can be adjusted
Section, so that hot blast can more effectively be sent into workspace；Return air inlet 3 is arranged in the side wall away from ground 50cm-70cm height, guarantor
Member is in recirculating zone.
The system and the system combined work of indoor ground-heating, ground heating system undertake thermic load, and fresh air purifying processor 1 is only held
New wind load is carried on a shoulder pole, manually or automatically pattern is only high to be adjusted to ensure that the new air temperature after processing.
Compared with prior art, the beneficial effects of the invention are as follows：
1) use of the present invention can automatically control the fresh air purifying processor of new, 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 has 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), PM2.5 and most of bacterium mould are effectively filtered, filter efficiency can
Up to 95%.
4) air injection enthalpy-increasing compressor and shwoot gas-liquid separator, Ke Yiman strong relative to traditional air conditioner heating capacity are used
The winter heating demand of sufficient China's cold district.
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 the schematic diagram of fresh air purifying processor 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 air-cooled cold/hot water mechanism into.
Reference picture 2, fresh air purifying processor 1 include a fresh wind port 2 and two return air inlets 3, and fresh wind port 2 is sent into new
The return air that wind and return air inlet 3 are sent into mixes in the mixing section of pipeline, is filtered by low efficient filter 4, into surface-type heat exchanger 5
In with chilled water or cooling water carry out air heat humidity, enter through the air that surface-type heat exchanger 5 treats under the driving of pressure fan 6
Enter high efficiency particulate air filter 7 to filter again, interior is sent into by air outlet 8 afterwards.Air outlet 8 is disposed in the interior eminence, and selected
ABS or wooden air outlets, avoid air port from condensing, and air supply direction can be adjusted, and so that hot blast can more effectively be sent into workspace, avoid
There is upper heat and lower cold phenomenon；Return air inlet 3 is arranged in the side wall away from ground 50cm-70cm height, ensures that personnel are in recirculating zone.
Surface-type heat exchanger 5 is using the 8 combs design of full adverse current；Reference picture 3, the lower section of surface-type heat exchanger 5 set solidifying water pond 30, solidifying water pond
Condensate is drained into outdoor by 30 by condensate comb 31, and pressure fan 6 uses efficient centrifugal blower fan, configuring direct current brushless electric machine.
Reference picture 1, air-cooled cold heat water dispenser include air injection enthalpy-increasing compressor 9, four-way reversing valve 10, water cooling heat exchanger 11, electricity
Sub- expansion valve 1, shwoot gas-liquid separator 13, stop valve 1, electric expansion valve 2 15, air cooling heat exchanger 16, gas-liquid point
From device 17, stop valve 2 18, triple valve 19, bypass line and energy storage water tank 29 etc..
Air injection enthalpy-increasing compressor 9 meets the mouth of pipe a of four-way reversing valve 10 and stop valve 2 18 is provided with connecting line, and four
The mouth of pipe b water receivings cold heat exchanger 11 of logical reversal valve 10, water cooling heat exchanger 11 connects the entrance of shwoot gas-liquid separator 13 and in connecting tube
Electric expansion valve 1 and valve 1 are disposed with road, the mouth of pipe c of four-way reversing valve 10 connects gas-liquid separator 17, gas-liquid
The gas vent tieback air injection enthalpy-increasing compressor 9 of separator 17, the mouth of pipe d of four-way reversing valve 10 give a dinner for a visitor from afar cold heat exchanger 16, air-cooled
Heat exchanger 16 connects electric expansion valve 1 and electric expansion valve 2 15 and valve 2 33, shwoot is disposed with connecting line
Gas-liquid separator 13 is also connected on the pipeline between electric expansion valve 2 15 and valve 2 33, gas vent tieback air injection enthalpy-increasing pressure
The middle air entry of contracting machine 9 and stop valve 1 is provided with connecting line, prevents the refrigerant at puff prot from can produce back
Flow phenomenon.
Surface-type heat exchanger 5 on the connecting line of the cooling water loop head of water cooling heat exchanger 11 with being provided with energy storage water tank
29, and the connecting line between the connecting line of surface-type heat exchanger 5 and the cooling water ring way outlet of water cooling heat exchanger 11 the same as setting
There is bypass line, bypass line is by triple valve 19 with surface-type heat exchanger 5 and the cooling water ring way outlet of water cooling heat exchanger 11
Connecting line connects.
During winter heating's operating mode, the mouth of pipe a of four-way reversing valve 10 connects with mouth of pipe b inside valve, and mouth of pipe c and mouth of pipe d exist
Connect, connected so as to the outlet of air injection enthalpy-increasing compressor 9 with the material inlet of water cooling heat exchanger 11, one 32 dozens, valve inside valve
Open, valve 2 33 is closed；The refrigerant for going out air injection enthalpy-increasing compressor 9 exchanges heat in water cooling heat exchanger 11 with cooling water, after heat exchange
Cooling water flow through triple valve 19 and deliver to surface-type heat exchanger 5 and air heat-exchange, the cooling water after being exchanged heat in surface-type heat exchanger 5
Return again to the circulation heat absorption of water cooling heat exchanger 11.Refrigerant after being exchanged heat in water cooling heat exchanger 11 passes through electric expansion valve 1 and valve
Door 1 enters shwoot gas-liquid separator 13, and after separation, refrigerant is recycled to 9 middle air entry of air injection enthalpy-increasing compressor, increase
The capacity of air injection enthalpy-increasing compressor 9, so as to increase the inner refrigerant flow of water cooling heat exchanger 11, improve heating capacity；On the other hand, it is electric
The liquid refrigerant depth throttling that sub- 2 15 pairs of expansion valve goes out shwoot gas-liquid separator 13, realizes that low temperature takes heat, part refrigeration
Agent through gas-liquid separator 17 flows back to air injection enthalpy-increasing compressor 9 after being exchanged heat in air cooling heat exchanger 16；Electric expansion valve 1 and electricity
The aperture of sub- expansion valve 2 15 jointly controls according to outside air temperature and confession, backwater temperature difference, realizes source pump cold/heat supply ability
Regulation.
When cooling in summer operating mode or winter frost removing, the mouth of pipe a of four-way reversing valve 10 connects with mouth of pipe d inside valve, pipe
Mouth b connects with mouth of pipe c inside valve, is connected so as to the outlet of air injection enthalpy-increasing compressor 9 with the entrance of air cooling heat exchanger 16.Valve
One 32 are closed, and valve 2 33 is opened, and refrigerant is not passed through flash evaporation 13.
During defrosting operating condition, a certain amount of hot water heated is stored in energy storage water tank 29, on the one hand can ensure circulation just
Often carry out, realize the quickly defrosting to air cooling heat exchanger, on the other hand can also continue to ensure to provide hot water to Fresh air handing device, keep away
Exempt to indoor feeding cold wind.
Transition season, air-to-water heat pump are not run, and outdoor fresh air after Fresh air handing unit filtration, purification through being sent into
Interior, ventilation, eliminate waste heat.
During the full air-conditioning system specific works of frequency conversion family formula fresh air purifying of the present invention, return air temperature biography is provided with return air inlet 3
Sensor 20, CO2Concentration sensor 21 and PM2.5 concentration sensors 22；New air-valve 23 and the aperture of air returning valve 24 are by CO2Concentration
Setting value and return air CO2The comparison of concentration is controlled and adjusted, such as, CO2Concentration set point is 500PPM, if the CO of return air2
When concentration exceedes setting value, the increase of the aperture of new air-valve 23, while the aperture of air returning valve 24 reduces；If CO2Concentration is less than setting value
When, the aperture of new air-valve 23 reduces, while the aperture of air returning valve 24 increases；New air-valve 23 is adjusted with the linkage of air returning valve 24, i.e. new air-valve
When 23 apertures increase, the aperture of air returning valve 24 reduces.The rotating speed of blower fan 6 equipped with DC brushless motor by PM2.5 concentration and
CO2Concentration controls, as PM2.5 concentration and CO2During both coincidences of concentration control, CO2Concentration only controls whether fresh air air-valve 23 is opened
Open, PM2.5 concentration controls the rotating speed of pressure fan 6.
The aperture of triple valve 19 is compared control by return air temperature and design temperature, when return air temperature is close to design temperature,
Water adjusting valve main line aperture reduces, the increase of bypass branch aperture；Conversely, if return air temperature deviates design temperature, triple valve master
The increase of pipeline aperture, bypass valve opening also reduce therewith so that the water quantity holding by water cooling heat exchanger 11 is constant.In triple valve
During 19 contract fully, still there is bare flow, winter can play antifreeze effect.
The confession of surface-type heat exchanger, return water temperature are measured by supply water temperature sensor 25 and return water temperature sensor 26, when
When proportion adjustment water valve aperture changes in triple valve 19 in air-cooled cold heat water dispenser and the connecting line of surface-type heat exchanger 5,
The confession of surface-type heat exchanger 5, backwater temperature difference change therewith, and air injection enthalpy-increasing compressor 9 supplies according to surface-type heat exchanger, backwater temperature difference
Contrast with setting value controls it to open or stop.
The aperture of fresh wind port 2 and return air inlet 3 is adjusted by the new air-valve 23 and the air returning valve 24 that are placed in inside respectively, fresh air
Minimum air quantity air inlet is designed with valve 23 and air returning valve 24, to ensure still there is resh air requirement under circulated air pattern, meets room
Demand (the about 100m of interior minimum fresh air requirmente3/ h), it can also ensure still there is return air amount in all-fresh air pattern, obtain certain energy-conservation effect
Fruit.
Present system has two kinds of control models, and one kind is indoor control, and another kind controls for mobile phone remote.Indoor control
It is divided into manual mode (air conditioning mode) and automatic mode again.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, and no longer be changed by the comparison of return air temperature and its setting value, according only to supply, backwater temperature
Difference is compared to determine the start and stop of air injection enthalpy-increasing compressor 9, so as to keep constant indoor temperature constant pressure with its setting value；Using automatic mold
During formula, it is not recommended that open air-cooled cold heat water dispenser, be mainly used in transition season, by CO2Whether concentration control fresh air air-valve 23 is opened
The rotating speed of pressure fan 6 is opened and changes, as PM2.5 concentration and CO2When concentration overlaps to the control instruction of pressure fan 6, CO2Concentration
Only whether control fresh air air-valve 23 is opened, 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,
The inquiry of the historical record of PM2.5 concentration and instant situation.
Present system can also work together with the ground heating system of indoor use, and ground heating system undertakes thermic load (floor heating
Supply water temperature is maintained at 35~40 DEG C), then fresh air purifying processor 1 only undertakes new wind load, can be manually or automatically
Pattern causes hot discomfort being adjusted to ensure that the new air temperature after processing only high.
To sum up, a kind of full air-conditioning system of family formula fresh air purifying suitable for cold district of the invention, mainly by fresh air purifying
Processor and air-cooled cold/hot water machine form, and in fresh air purifying processor, fresh air mixes with return air in mixing section, by slightly imitating
Filter filter, in surface-type heat exchanger with freezing/but water exchanged heat, frequency conversion pressure fan driving under treat air stream
It is sent into after high efficiency particulate air filter by two air outlets indoor, the aperture of new air-valve and air returning valve is according to the CO of return air2Concentration is adjusted
Section, breeze fan rotating speed is according to CO2Adjusted with PM2.5 concentration, connect air-cooled cold heat water dispenser and surface cooler in Fresh air handing device
Water route in the aperture of ratio triple valve adjusted according to the difference of return air temperature and its setting value, air injection enthalpy-increasing compressor
Start and stop are according to outdoor temperature and freezing/but water confession, backwater temperature difference control.The present invention realizes the miniaturized application of central air-conditioning,
By to temperature, humidity, CO2Concentration, the regulation of PM2.5 concentration, provide annual healthy, comfortable indoor environment to greatest extent,
Improve comfort level, further, since using air injection enthalpy-increasing technology, greatly strengthen the heating energy of source pump at low ambient temperatures
Power, air-conditioning system efficiently and reliably long-term operating in -15 DEG C of low temperature environments can be made, meet the winter of China's cold district
Heating demand, it can also ensure annual air conditioning requirements.
Claims (11)
1. a kind of full air-conditioning system of family formula fresh air purifying suitable for cold district, mainly include fresh air purifying processor (1) and
Air-cooled cold heat water dispenser, the fresh air purifying processor (1) include the pipeline with fresh wind port (2) and return air inlet (3), fresh wind port
(2) return air that the fresh air and return air inlet (3) being sent into are sent into mixes in the mixing section of pipeline, filters, enters by low efficient filter (4)
Enter surface-type heat exchanger (5) and carry out air heat humidity with chilled water or cooling water, the air treated through surface-type heat exchanger (5) exists
Pressure fan (6) driving is lower to filter again into high efficiency particulate air filter (7), is sent into afterwards by air outlet (8) indoor, it is characterised in that：
The air-cooled cold heat water dispenser includes air injection enthalpy-increasing compressor (9), and air injection enthalpy-increasing compressor (9) connects four-way reversing valve (10)
Mouth of pipe a and stop valve two (18) is provided with connecting line, the mouth of pipe b water receiving cold heat exchangers of four-way reversing valve (10)
(11), water cooling heat exchanger (11) connects shwoot gas-liquid separator (13) entrance and electric expansion valve is disposed with connecting line
One (12) and valve one (32), the mouth of pipe c of four-way reversing valve (10) connect gas-liquid separator (17), the gas of gas-liquid separator (17)
Export tieback air injection enthalpy-increasing compressor (9), the mouth of pipe d of four-way reversing valve (10) gives a dinner for a visitor from afar cold heat exchanger (16), air cooling heat exchanger
(16) connect electric expansion valve one (12) and electric expansion valve two (15) and valve two (33) are disposed with connecting line, dodge
Liquid/gas separator (13) of getting angry also is connected on the pipeline between electric expansion valve two (15) and valve two (33), the spray of gas vent tieback
Gas enthalpy-increasing compressor (9) and stop valve one (14) is provided with connecting line, the surface-type heat exchanger (5) exchanges heat with water cooling
The cooling water loop connection of device (11).
2. it is applied to the full air-conditioning system of family formula fresh air purifying of cold district according to claim 1, it is characterised in that described
Energy storage water tank (29) is provided with the connecting line of surface-type heat exchanger (5) and water cooling heat exchanger (11) cooling water loop head,
And set between the connecting line of the same surface-type heat exchanger of the connecting line (5) and water cooling heat exchanger (11) cooling water ring way outlet
There is bypass line, bypass line passes through triple valve (19) same to surface-type heat exchanger (5) and water cooling heat exchanger (11) cooling water loop
The connecting line connection of outlet.
3. it is applied to the full air-conditioning system of family formula fresh air purifying of cold district according to claim 2, it is characterised in that described
The aperture of triple valve (19) is compared control by return air temperature and design temperature, when return air temperature is close to design temperature, water valve master
Pipeline aperture reduces, the increase of bypass branch aperture；Conversely, if return air temperature deviates design temperature, triple valve main line aperture increases
Add, bypass valve opening also reduces therewith so that the water quantity holding by water cooling heat exchanger (11) is constant.
4. it is applied to the full air-conditioning system of family formula fresh air purifying of cold district according to claim 1, it is characterised in that
During winter heating's operating mode, the mouth of pipe a of four-way reversing valve (10) connects with mouth of pipe b inside valve, and mouth of pipe c and mouth of pipe d are in valve
Inside connection, the water cooled heat exchanger of refrigerant (11) heat exchange of air injection enthalpy-increasing compressor (9), valve one (32) are opened, valve two
(33) close, refrigerant loopback air injection enthalpy-increasing compressor (9) after shwoot gas-liquid separator (13) separation after heat exchange；Water cooling exchanges heat
Cooling water after being exchanged heat in device (11) delivers to surface-type heat exchanger (5) after flowing through triple valve (19) and air heat-exchange, surface-type change
Cooling water after hot device (5) heat exchange returns again to water cooling heat exchanger (11) circulation heat absorption；
When cooling in summer operating mode or winter frost removing, the mouth of pipe a of four-way reversing valve (10) connects with mouth of pipe d inside valve, mouth of pipe b
Connected with mouth of pipe c inside valve, the refrigerant of air injection enthalpy-increasing compressor (9) exchanges heat through air cooling heat exchanger (16), valve one (32)
Close, valve two (33) is opened, and refrigerant is not passed through shwoot gas-liquid separator (13), but enters via water cooling heat exchanger (11)
Loopback air injection enthalpy-increasing compressor (9) after gas-liquid separator (17) separation；Electric expansion valve two (15) throttles to refrigerant depth, system
Cryogen flows back to air injection enthalpy-increasing compressor (9), electric expansion valve after heat exchange in air cooling heat exchanger (16) through gas-liquid separator (17)
The aperture of one (12) and electric expansion valve two (15) jointly controls according to outside air temperature and confession, backwater temperature difference, realizes source pump
The regulation of cold/heat supply ability；
During defrosting operating condition, storage hot water in energy storage water tank (29), it on the one hand can ensure being normally carried out for circulation, realize and change air-cooled
The quickly defrosting of hot device (16), it on the other hand can continue to ensure to provide hot water to Fresh air handing device (1), avoid cold to indoor feeding
Wind；
Transition season, air-to-water heat pump are not run, and outdoor fresh air is sent into interior afterwards through Fresh air handing unit filtration, purification,
Ventilation, eliminate waste heat.
5. it is applied to the full air-conditioning system of family formula fresh air purifying of cold district according to claim 1, it is characterised in that described
Return air inlet (3) place is provided with return air temperature sensor (20), CO2Concentration sensor (21) and PM2.5 concentration sensors (22)；
New air-valve (23) and the aperture of air returning valve (24) are by CO2Concentration set point and return air CO2The comparison of concentration is controlled and adjusted, if
Return air CO2When concentration exceedes setting value, the increase of new air-valve (23) aperture, while the aperture of air returning valve (24) reduces；If CO2Concentration
During less than setting value, new air-valve (23) aperture reduces, while air returning valve (24) aperture increases；New air-valve (23) and air returning valve (24)
Linkage regulation, i.e., when new air-valve (23) aperture increases, air returning valve (24) aperture reduces, when new air-valve (23) aperture reduces, return air
Valve (24) aperture increases, and the rotating speed of the pressure fan (6) is by PM2.5 concentration and CO2Concentration controls, when PM2.5 concentration and
CO2During both coincidences of concentration control, CO2Concentration only controls whether new air-valve (23) opens, PM2.5 concentration control pressure fan (6)
Rotating speed, keep out the wind high, medium and low three and change between speed；Air-cooled cold heat water dispenser and three on surface-type heat exchanger (5) connecting line
Aperture in port valve (19) is adjusted according to the comparison of return air temperature and its setting value, when return air temperature is close to its setting value,
Proportion adjustment aperture reduces, and in triple valve (19) contract fully, still has flow, plays antifreeze effect in the winter time.
6. it is applied to the full air-conditioning system of family formula fresh air purifying of cold district according to claim 1, it is characterised in that described
The confession of surface-type heat exchanger (5), return water temperature are measured by supply water temperature sensor (25) and return water temperature sensor (26), when three
When proportion adjustment water valve aperture changes in port valve (19), the confession of surface-type heat exchanger (5), backwater temperature difference change therewith, spray
Gas enthalpy-increasing compressor (9) controls it according to the contrast of outside air temperature and surface-type heat exchanger confession, backwater temperature difference and setting value
Open or stop.
7. it is applied to the full air-conditioning system of family formula fresh air purifying of cold district according to claim 1, it is characterised in that described
The aperture of fresh wind port (2) and return air inlet (3) is adjusted by the new air-valve (23) and the air returning valve (24) that are placed in inside respectively, fresh air
Minimum air quantity air inlet is designed with valve (23) and air returning valve (24), it is full to ensure still there is resh air requirement under circulated air pattern
The demand of the indoor minimum fresh air requirmente of foot, while ensure still there is return air amount, obtain energy-conservation effect in all-fresh air pattern.
8. it is applied to the full air-conditioning system of family formula fresh air purifying of cold district according to claim 1, it is characterised in that system
Set two kinds of control models, one kind be indoor control, another kind for mobile phone remote control, indoor control be divided into again manual mode with
Automatic mode；
During using manual mode, the rotating speed of pressure fan (6) is manually set, now pressure fan (6) invariablenes turning speed, no longer passes through return air
The comparison of temperature and its setting value and change, according only to supply, the comparison of backwater temperature difference and its setting value determines air injection enthalpy-increasing pressure
The start and stop of contracting machine (9), so as to keep constant indoor temperature constant pressure；
During using automatic mode, it is mainly used in transition season, by CO2Whether concentration control fresh air air-valve (23) is opened and is changed
The rotating speed of pressure fan (6), as PM2.5 concentration and CO2When concentration overlaps to the control instruction of pressure fan (6), CO2Concentration only controls
Whether fresh air air-valve (23) is opened, 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.
9. it is applied to the full air-conditioning system of family formula fresh air purifying of cold district according to claim 1, it is characterised in that described
Surface-type heat exchanger (5) is using the 8 combs design of full adverse current；Solidifying water pond (30), solidifying water pond are set below surface-type heat exchanger (5)
(30) condensate is drained into by outdoor by condensate comb (31), pressure fan (6) uses efficient centrifugal blower fan, configuring direct current is brushless electricity
Machine, the air outlet (8) are disposed in the interior eminence, from ABS or wooden air outlets, avoid air port from condensing, and air supply direction can be with
Regulation, so that hot blast can more effectively be sent into workspace；Return air inlet (3) is arranged in the side wall away from ground 50cm-70cm height, is protected
Witness person is in recirculating zone.
10. it is applied to the full air-conditioning system of family formula fresh air purifying of cold district according to claim 1, it is characterised in that be
System and the system combined work of indoor ground-heating, ground heating system undertake thermic load, and fresh air purifying processor (1) only undertakes new wind load,
Manually or automatically pattern is only high to be adjusted to ensure that the new air temperature after processing.
11. it is applied to the full air-conditioning system of family formula fresh air purifying of cold district according to claim 2, it is characterised in that
The middle air entry that shwoot gas-liquid separator (13) is connected with air injection enthalpy-increasing compressor (9) goes out to set stop valve one (14), prevents
Refrigerant at puff prot can produce backflow phenomenon.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720873943.4U CN207146721U (en) | 2017-07-17 | 2017-07-17 | A kind of full air-conditioning system of family formula fresh air purifying suitable for cold district |
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| CN201720873943.4U CN207146721U (en) | 2017-07-17 | 2017-07-17 | A kind of full air-conditioning system of family formula fresh air purifying suitable for cold district |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107246672A (en) * | 2017-07-17 | 2017-10-13 | 西安建筑科技大学 | A kind of full air-conditioning system of family formula fresh air purifying suitable for cold district |
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Cited By (1)
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| CN107246672A (en) * | 2017-07-17 | 2017-10-13 | 西安建筑科技大学 | A kind of full air-conditioning system of family formula fresh air purifying suitable for cold district |
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