CN109827304A - A kind of fresh air-capillary network air joint regulating system and its winter or summer fresh air temperature control method - Google Patents
A kind of fresh air-capillary network air joint regulating system and its winter or summer fresh air temperature control method Download PDFInfo
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 73
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 100
- 238000003303 reheating Methods 0.000 claims description 36
- 238000005057 refrigeration Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 6
- 239000008400 supply water Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 2
- 230000005855 radiation Effects 0.000 abstract description 30
- 230000000694 effects Effects 0.000 abstract description 6
- 238000011282 treatment Methods 0.000 abstract description 6
- 238000004378 air conditioning Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 27
- 239000003507 refrigerant Substances 0.000 description 18
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- 239000012530 fluid Substances 0.000 description 4
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- 230000001276 controlling effect Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
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- 230000026676 system process Effects 0.000 description 2
- 210000005239 tubule Anatomy 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
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Abstract
The invention discloses a kind of fresh air-capillary network air joint regulating system and its winter or summer fresh air temperature control methods, belong to apparatus of air conditioning field.The present invention includes outdoor unit, fresh air unit and radiation thermostat units；Outdoor unit includes compressor, outdoor supervisor and four-way valve, and radiation thermostat units include trim heat exchanger, regulating valve and capillary network, and fresh air unit includes refrigerated heat exchanger and heat exchanger again.The work that outdoor unit passes through compressor in the present invention, corresponding working medium is provided for fresh air unit and radiation thermostat units, allow fresh air unit and radiation the independent steady operation of thermostat units, and reduce fresh air unit and radiate the cost that thermostat units work at the same time, space needed for reducing installation equipment；In addition its winter or summer fresh air temperature control method carries out reasonable distribution to the working medium flow of the exhaust outlet discharge of compressor, can improve fresh air Temperature Treatment effect, and be conducive to the stable operation of system entirety.
Description
Technical field
The present invention relates to apparatus of air conditioning fields, adjust more specifically to a kind of fresh air-capillary network air joint
Section system and its winter or summer fresh air temperature control method.
Background technique
As continuous improvement of people's living standards and scientific and technological are constantly progressive, requirement of the user to indoor environment is increasingly
It is high；Traditional forced convertion heat-exchanging air conditioner changes indoor temperature and humidity, this kind in the form of circulative convection heat transfer in indoor wind
Mode be easy to cause the sense of discomfort of indoor user.And in late 1980s, capillary has been invented by German DonadHerbst
Pipe network planar radiation system attracts wide attention.Hereafter decades, the air handling system of this stealth are applied to successively
In numerous high-end business buildings, government building, bank, public utility and medical treatment construction.And today is developed to, capillary network spoke
It penetrates temperature control technology to combine with fresh air technology, capillary network capillary network provides sensible heat, and Fresh air handing unit provides latent heat
And fresh air needed for ventilation；This kind of air-conditioning system is compared to conventional air regulative mode and blows with stable and safe in operation, nothing
Wind sense, low noise, comfortable energy conservation and the room temperature significant advantages such as uniformly.
But there is also some defects for current capillary network radiation fresh air conditioner system；In use process, when indoor capillary
Net surface temperature is easy to happen moisture condensation when being lower than room air dew point, but guarantees the circulation of indoor fresh air and the perseverance of temperature again
It is fixed, thus it is particularly significant to the dehumidification treatments of fresh air in use process (especially summer use), but the dehumidifying to fresh air
Treatment process needs additional refrigeration unit to freeze again, this results in current capillary network radiation fresh air conditioner system needs
Additional cold source is provided or increases outer machine quantity, this is resulted in, and system structure is complicated, use cost is high and takes up a large area installation
It is inconvenient.There is correlative study unit to propose the technical side for controlling all cooling loads using a set of refrigeration unit at present
Case, but mostly there are problems that the temperature and humidity of the temperature of capillary network and Fresh air handling units can not be controlled individually.
Through retrieving, denomination of invention are as follows: a kind of capillary radiation special air conditioner heat pump fresh air group and its control method (application
Number: 2017105163691, the applying date: 2017.06.29), this application just first passes through heat exchanger pair using a set of refrigeration unit
Water exchanges heat, and then water provides heat source perhaps cold source while water provides cold source or heat for Fresh air handling units again for capillary network
Source；Although this application realizes a set of refrigeration unit to capillary network and Fresh air handling units offer cold source or heat source, but its
Cold source or heat source can only be provided to Fresh air handling units merely, cause Fresh air handling units fresh air can not be carried out further temperature control and
Wet control；In addition this application can not the temperature and humidity of temperature and Fresh air handling units to capillary network individually controlled.
Summary of the invention
1. technical problems to be solved by the inivention
It is an object of the invention to overcome in the prior art, capillary network radiation fresh air conditioner system needs multiple groups refrigeration machine
Group, and capillary network temperature can not individually be controlled with Fresh air handling units temperature and humidity and new air temperature adjusts inconvenient technology and asks
Topic provides a kind of fresh air-capillary network air joint regulating system and its winter or summer fresh air temperature control method, the system
Heat source or cold source are provided to the capillary network that Fresh air handling units and water recycle by single chiller group, while can be to tubule net
Temperature and the temperature and humidity of Fresh air handling units individually controlled.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
A kind of fresh air of the invention-capillary network air combines regulating system, including outdoor unit, radiation thermostat units and
Fresh air unit, outdoor unit include compressor, outdoor supervisor and four-way valve；The exhaust outlet and air entry of compressor respectively with four-way
Valve is connected, and outdoor supervisor is connected with the port E of four-way valve, and outdoor heat exchanger and expansion valve I are provided on the supervisor of the outdoor；Spoke
Penetrating thermostat units includes trim heat exchanger, regulating valve and capillary network, and the working medium mouth I of trim heat exchanger is connected with outdoor supervisor,
The working medium mouth II of trim heat exchanger is connected with the C port of four-way valve, between trim heat exchanger and capillary network by water supplying pipe and
Outlet pipe constitutes water flow circuits, and regulating valve is provided on water flow circuits, and regulating valve is used to adjust the water flow into trim heat exchanger
Amount；Fresh air unit includes refrigerated heat exchanger and heat exchanger again；Refrigerated heat exchanger entrance is connected with outdoor supervisor, refrigerated heat exchanger
Outlet is unidirectionally connected with the C port of four-way valve；Reheating heat exchanger entrance is connected with the exhaust outlet of compressor, reheating heat exchanger exit
It is connected with working medium mouth I, and is provided with expansion valve II on the pipeline between reheating heat exchanger exit and working medium mouth I.
Preferably, the water inlet of trim heat exchanger is connected by outlet pipe with the water outlet of capillary network, trim heat exchanger
Water outlet be connected with the water inlet end of capillary network by water supplying pipe；Regulating valve is threeway ratio adjusting valve, the interflow of regulating valve
Mouth is connected with outlet pipe, and the diffluence pass I of regulating valve is connected with the water inlet of trim heat exchanger, the diffluence pass II of regulating valve and confession
Water pipe is connected.
Preferably, suction temperature meter and suction pressure ga(u)ge are provided on outdoor return pipe.
Preferably, thermometer is provided on refrigerated heat exchanger, refrigerated heat exchanger is provided with thermometer in outlet；Cooling heat exchange
Expansion valve III is provided on the pipeline that device entrance is connected with outdoor supervisor.
Preferably, the air inlet of fresh air unit is provided with filter screen, miscellaneous into fresh air unit air for filtering
Matter.
Preferably, supply water temperature meter is provided on water supplying pipe.
Preferably, it is provided with exhaust pipe between exhaust outlet and four-way valve, air discharge cook, exhaust pressure are provided on exhaust pipe
Power meter and exhaust temperature gage.
Preferably, outdoor heat exchanger and refrigerated heat exchanger are fin-tube type heat exchanger；Heat exchanger is coil exchanger again；
Trim heat exchanger is plate heat exchanger.
A kind of fresh air of the invention-capillary network air combines regulating system summer fresh air temperature control method, from compression
The ratio that the working medium flow that the exhaust outlet of machine enters again heat exchanger accounts for the exhaust outlet discharge working medium total flow of compressor is K, K=
B×e^(0.05×TIt send'), B takes 0.01~0.03, TIt send' it is preset supply air temperature.
A kind of fresh air of the invention-capillary network air combines regulating system winter fresh air temperature control method, in fresh air
The air inlet of unit is provided with environment temperature meter；The environment temperature that environment temperature measures is TRing；From the exhaust outlet of compressor
Into heat exchanger again working medium flow account for compressor exhaust outlet discharge working medium total flow ratio be K, K=A × e^ [0.05
×(TIt send'-1.2TRing+ 8)], A takes 0.05~0.08, TIt send' it is preset supply air temperature.
3. beneficial effect
Using technical solution provided by the invention, compared with existing well-known technique, there is following remarkable result:
(1) a kind of fresh air of the invention-capillary network air combines regulating system, including outdoor unit, fresh air unit and
Radiate thermostat units；Outdoor unit includes compressor, outdoor supervisor and four-way valve, radiation thermostat units include trim heat exchanger,
Regulating valve and capillary network, fresh air unit include refrigerated heat exchanger and heat exchanger again；Outdoor unit by the work of compressor,
Heat exchanger and radiation thermostat units provide corresponding working medium for the refrigerated heat exchanger in fresh air unit and again, realize separate unit pressure
Contracting machine can provide corresponding working medium simultaneously for fresh air unit and radiation thermostat units simultaneously, not only make fresh air unit and radiation
Thermostat units can independent steady operation；And it reduces fresh air unit and radiates the cost that thermostat units work at the same time, reduce
The occupied space of equipment is installed.
(2) a kind of fresh air of the invention-capillary network air combines regulating system, and trim heat exchanger is set to pipeline III
On, water flow circuits, the water inlet of trim heat exchanger are constituted by water supplying pipe and outlet pipe between trim heat exchanger and capillary network
It is connected by outlet pipe with the water outlet of capillary network, the water outlet of trim heat exchanger passes through the water inlet of water supplying pipe and capillary network
End is connected；Be provided with water pump and regulating valve on water flow circuits, regulating valve is threeway ratio adjusting valve, the interflow mouth of regulating valve with go out
Water pipe is connected, and the diffluence pass I of regulating valve is connected with the water inlet of trim heat exchanger, diffluence pass II and the water supplying pipe phase of regulating valve
Even；The adjustable water flow into trim heat exchanger with working medium heat exchange of regulating valve, and then realize capillary network radiation temperature
The independent control of degree, avoids the influence in the adjustment process of capillary network radiation temperature to fresh air unit.
(3) a kind of fresh air of the invention-capillary network air joint regulating system summer adjusting method, from compressor
The ratio that the working medium flow that exhaust outlet enters again heat exchanger accounts for the exhaust outlet discharge working medium total flow of compressor is K, K=B × e
^(0.05×TIt send'), B takes 0.01~0.03, TIt send' it is preset supply air temperature；According to above-mentioned formula in summer to compressor
The working medium flow of exhaust outlet discharge is allocated, and can improve fresh air Temperature Treatment effect, and is conducive to the steady of system entirety
Fixed operation.
(4) a kind of fresh air of the invention-capillary network air joint regulating system winter adjusting method, in fresh air unit
Air inlet be provided with environment temperature meter；The environment temperature that environment temperature measures is TRing；Enter from the exhaust outlet of compressor
Again the working medium flow of heat exchanger account for compressor exhaust outlet discharge working medium total flow ratio be K, K=A × e^ [0.05 ×
(TIt send'-1.2TRing+ 8)], A takes 0.05~0.08, TIt send' it is preset supply air temperature；To compressor when according to above-mentioned formula in winter
Exhaust outlet discharge working medium flow carry out reasonable distribution, fresh air Temperature Treatment effect can be improved, and it is whole to be conducive to system
The stable operation of body.
Detailed description of the invention
Fig. 1 is the overall structure diagram that a kind of fresh air-capillary network air combines regulating system；
Fig. 2 is that a kind of fresh air-capillary network air combines fresh air unit partial enlargement diagram in regulating system；
Fig. 3 is that a kind of fresh air-capillary network air combines radiation thermostat units partial enlargement diagram in regulating system；
Fig. 4 is that a kind of fresh air-capillary network air combines working condition signal of regulating system in the state of embodiment 2
Figure；
Fig. 5 is that a kind of fresh air-capillary network air combines working condition signal of regulating system in the state of embodiment 3
Figure.
Label declaration in schematic diagram:
100, outdoor unit；110, compressor；111, exhaust outlet；112, air entry；
120, outdoor heat exchanger；130, expansion valve I；140, four-way valve；150, fluid reservoir；
200, thermostat units are radiated；210, trim heat exchanger；211, working medium mouth I；212, working medium mouth II；213, water inlet；
214, water outlet；
220, regulating valve；221, diffluence pass I；222, diffluence pass II；223, interflow mouth；
230, water pump；240, capillary network；241, water inlet end；242, water outlet；250, expansion drum；260, supply water temperature
Meter；
300, fresh air unit；301, air inlet；302, air outlet；310, fresh air pipeline；311, air-introduced machine；312, it filters
Net；313, refrigerated heat exchanger；313T, thermometer；313a, refrigerated heat exchanger entrance；313b, refrigerated heat exchanger outlet；313bT,
Thermometer；
314, heat exchanger again；314a, reheating heat exchanger entrance；314b, reheating heat exchanger exit；
315, humidifier；316, wet bulb thermometer is removed；317, supply air temperature meter；318, check valve；319, expansion valve II；320,
Expansion valve III；321, environment temperature meter；
411, exhaust pipe；412, outdoor return pipe；413, outdoor supervisor；414, air discharge cook；415, pressure at expulsion meter；416,
Exhaust temperature gage；417, suction temperature meter；418, suction pressure ga(u)ge；
421, fulcrum I；422, fulcrum II；
431, pipeline I；432, pipeline II；433, bypass pipe；434, hot back tube again；435, pipeline III；
441, water supplying pipe；442, outlet pipe.
Specific embodiment
To further appreciate that the contents of the present invention, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Structure depicted in this specification attached drawing, ratio, size etc., only to cooperate the revealed content of specification,
So that those skilled in the art understands and reads, enforceable qualifications are not intended to limit the invention, therefore do not have technology
On essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size can be generated not influencing the present invention
The effect of and the purpose that can reach under, should all still fall in the range of disclosed technology contents obtain and can cover.Together
When, cited such as "upper", "lower", "left", "right", " centre " term in this specification are merely convenient to the clear of narration,
Rather than to limit enforceable range, relativeness is altered or modified, under the content of no substantial changes in technology, when also regarding
For the enforceable scope of the present invention；In addition to this, it is not independent from each other between each embodiment of the invention, but can be with
It is combined.
As shown in Figures 1 to 3, a kind of fresh air of the invention-capillary network air combines regulating system, including radiation temperature adjustment list
Member 200, fresh air unit 300 and outdoor unit 100, wherein radiation thermostat units 200 lead to for undertaking indoor sensible heat load
Indoor temperature is adjusted in the form of overshoot heat transfer；300 one side of fresh air unit is used to provide fresh air for interior, another
Aspect carries out conditioning to fresh air, has larger difference to avoid the fresh air of offer and the temperature and humidity of room air, causes to use
There are sense of discomfort, fresh air units 300 to be also used to undertake indoor latent heat load at family；And outdoor unit 100 is used for working condition
Middle fresh air unit 300 and radiation thermostat units 200 suitable cold and heat source is provided.Specific embodiments of the present invention are as follows.
Embodiment 1
A kind of fresh air of the present embodiment-capillary network air combines regulating system, including outdoor unit 100, fresh air unit
300 and radiation thermostat units 200.Wherein, outdoor unit 100 includes compressor 110, outdoor supervisor 413 and four-way valve 140, pressure
The exhaust outlet 111 and air entry 112 of contracting machine 110 are connected with four-way valve 140 respectively, and the exhaust outlet 111 of compressor 110 passes through exhaust
Pipe 411 is connected with the port D of four-way valve 140；Compressor 110 is by mechanical work, by working medium boil down to high pressure gaseous,
The working medium of high pressure gaseous is transported by exhaust outlet 111 to stand-by in exhaust pipe 411；The air entry 112 of compressor 110 passes through
Outdoor return pipe 412 is connected with the port S of four-way valve 140；Low-temp low-pressure gaseous working medium at the port S passes through outdoor return pipe 412
It is recycled to the air entry 112 of compressor 110, then compressor 110 is by low-temp low-pressure gaseous working medium boil down to high pressure gaseous
Working medium.
In addition, outdoor unit 100 further includes outdoor supervisor 413, outdoor supervisor 413 is connected with the port E of four-way valve 140,
Outdoor heat exchanger 120 and expansion valve I 130 are provided on outdoor supervisor 413；Herein it should be noted that four-way valve 140 exists
In use process, outdoor supervisor 413 can also be connected with the C port of four-way valve 140, the technology work that two kinds of connection types are realized
Difference that can not substantially.
Outdoor heat exchanger 120 is fin-tube type heat exchanger in the present embodiment, and outdoor heat exchanger 120 is according to different use environments
Play it is different change temperature function, when outdoor unit 100 needs to provide cold source to fresh air unit 300 and radiation thermostat units 200,
The outdoor heat exchanger 120 plays the role of condenser at this time；When outdoor unit 100 is needed to fresh air unit 300 and radiation temperature adjustment
When unit 200 provides heat source, the outdoor heat exchanger 120 plays the role of evaporator at this time.Expansion valve I 130 is electronic expansion
Valve, expansion valve I 130 can will pass through the high temperature and pressure liquid work of outdoor supervisor 413 by adjusting the flow and pressure of working medium
Qualitative change is the gas-liquid two-phase state working medium of low-temp low-pressure.It is worth noting that expansion valve I 130 is more than merely in the present embodiment
Ground changes working medium state in outdoor supervisor 413 and is in addition additionally provided with air-breathing on outdoor return pipe 412 to adapt to the subsequent course of work
Thermometer 417 and suction pressure ga(u)ge 418 pass through suction temperature measured by measurement suction temperature meter 417 and suction pressure ga(u)ge 418
Parameter and pressure of inspiration(Pi) parameter can calculate the suction superheat of system, pass through variable expansion valve I 130 in the present embodiment
Aperture, so that suction superheat is maintained at 3~8 DEG C, to guarantee system safe and highly efficient operation；In addition, the row at exhaust outlet 111
Air discharge cook 414, pressure at expulsion meter 415 and exhaust temperature gage 416, pressure at expulsion meter are provided on tracheae 411 at exhaust outlet 111
415 and exhaust temperature gage 416 measured by pressure at expulsion parameter and delivery temperature parameter be used for the calculating of discharge superheat, expansion
Valve I 130 can carry out adaptability adjusting to its aperture, facilitate system more with reference to suction superheat and discharge superheat
Add and safely and efficiently runs.Fluid reservoir 150 is additionally provided on outdoor supervisor 413 in the present embodiment.
Radiating thermostat units 200 includes trim heat exchanger 210, regulating valve 220 and capillary network 240, trim heat exchanger 210
It include working medium side and water flow side, its role is to change water flow side flowing water flow the heat of working medium side institute flow working medium
Heat, working medium side include working medium mouth I 211 and working medium mouth II 212, and water flow side includes water inlet 213 and water outlet 214；Its
The working medium mouth I 211 of middle trim heat exchanger 210 is connected with outdoor supervisor 413, the working medium mouth II 212 of trim heat exchanger 210 and four
The C port of port valve 140 is connected, likewise, four-way valve 140 is in use, working medium mouth II 212 can also be with four-way valve 140
The port E be connected, the difference of the technical functionality that two kinds of connection types are realized not substantially, four-way valve 140 in use process
The port E and C port can be arbitrarily connected to one of outdoor supervisor 413 and working medium mouth II 212.
Specific mode of communicating in the present embodiment are as follows: outdoor supervisor 413 is connected to fulcrum I 421, and I 211, working medium mouth logical
Piping is connected with fulcrum I 421, i.e., is connected to outdoor supervisor 413；Working medium mouth II 212 passes through pipeline III 435 and four-way valve
140 C port is connected.Compressor 110, outdoor heat exchanger 120, expansion valve I 130 and trim heat exchanger 210 constitute one at this time
Working medium flow cycle；Again by adjusting the connection type that each port is different in four-way valve 140, so that in above-mentioned working medium flow cycle
Working fluid flow direction changes, and trim heat exchanger then may be implemented in the switching in Working fluid flow direction in working medium flow cycle
The refrigeration or heating of 210 pairs of capillary networks 240.
Water flow circuits, water are constituted by water supplying pipe 441 and outlet pipe 442 between trim heat exchanger 210 and capillary network 240
It flows back to road and is provided with regulating valve 220, regulating valve 220 is used to adjust the water flow into trim heat exchanger 210；In the present embodiment
The mode of communicating of trim heat exchanger 210 and capillary network 240 are as follows: the water inlet 213 of trim heat exchanger 210 passes through outlet pipe 442
It is connected with the water outlet 242 of capillary network 240, the water outlet 214 of trim heat exchanger 210 passes through water supplying pipe 441 and capillary network
240 water inlet end 241 is connected；In trim heat exchanger 210, working medium exchanges heat with water, and water enters back into capillary network 240,
Capillary network 240 changes indoor temperature by radiant heat transfer.Regulating valve 220 is threeway ratio adjusting valve, the conjunction of regulating valve 220
Head piece 223 is connected with outlet pipe 442, the diffluence pass I 221 of regulating valve 220 and 213 phase of water inlet of trim heat exchanger 210
Even, the diffluence pass II 222 of regulating valve 220 is connected with water supplying pipe 441.Water pump 230 and regulating valve 220 are provided on water flow circuits,
Regulating valve 220 is used to adjust the water flow entered in trim heat exchanger 210 with working medium heat exchange, and water pump 230 is for driving water flow to exist
It is moved in water flow circuits, expansion drum 250 is in addition provided on water flow circuits.In addition the capillary in thermostat units 200 is radiated
Net 240 is mounted on indoor wall, and can be replaced by other radiation heat transfer devices, such as radiation water wooden partition and radiation water pipe
Device.
Herein it should be noted that the temperature adjustment principle of regulating valve 220 are as follows: after the water radiant heat transfer in capillary network 240 from
The water outlet 242 of capillary network 240 is flowed out, and the interflow mouth 223 of regulating valve 220 is entered to through outlet pipe 442, in interflow mouth 223
Place is shunted, and water flow flow to the water inlet 213 of trim heat exchanger 210 from diffluence pass I 221 by outlet pipe 442 all the way, should
Road water carries out heat with working medium in trim heat exchanger 210 and exchanges, and then flows out from water outlet 214, then entered by water supplying pipe 441
240 pairs of interiors of capillary network carry out heat transfer radiation；Another way water flow is flowed directly to water supplying pipe 441 from diffluence pass II 222 and returns to hair
In tubule net 240.So on the whole, capillary network 240 flow to temperature adjustment by diffluence pass I 221 to indoor radiations heat energy
The water that heat exchanger 210 exchanges heat is controlled, for example regulating valve 220 increases the flow at diffluence pass I 221, meeting simultaneously
The flow at diffluence pass II 222 is reduced, the water flow to exchange heat in trim heat exchanger 210 is gone in capillary network 240 will
It will increase, to increase the heat exchange amount of water flow in capillary network 240, and then the radiant heat transfer amount in capillary network 240 is increased by；
And in contrast, regulating valve 220 reduces the flow at diffluence pass I 221, while will increase the stream at diffluence pass II 222
It measures, going to the water flow to exchange heat in trim heat exchanger 210 in capillary network 240 will be reduced, to reduce capillary
The heat exchange amount of water flow in net 240, and then the radiant heat transfer amount in capillary network 240 is just reduced；It is possible thereby to indoor temperature
It is controlled.
It is worth noting that being provided with supply water temperature on water supplying pipe 441 to improve the degree of regulation of regulating valve 220
Meter 260, supply water temperature meter 260 can measure the water temperature in water supplying pipe 441, regulating valve 220 according to the water temperature of feedback just
The adjusting to 240 radiant heat transfer amount of capillary network may be implemented, and then improve indoor temperature control precision；In addition this kind of mode is realized
The independent temperature control of radiation thermostat units 200, and this kind of temperature control method do not influence the pressure of outdoor unit 100 in adjustment process
The working condition of contracting machine 110, allows system to work more stablely.
Fresh air unit 300 includes fresh air pipeline 310, and interior is connected by fresh air pipeline 310 with outdoor, fresh air pipeline
Air-introduced machine 311 is provided in 310, outdoor air is introduced to interior by air-introduced machine 311；Along the stream of fresh air in fresh air pipeline 310
Dynamic direction is disposed with refrigerated heat exchanger 313, reheating heat exchanger 314 and humidifier 315；Refrigerated heat exchanger in the present embodiment
313 be fin-tube type heat exchanger, and the refrigerated heat exchanger outlet 313b of refrigerated heat exchanger 313 passes through pipeline I 431 and four-way valve 140
C port is connected, and refrigerated heat exchanger entrance 313a is connected with outdoor supervisor 413, and refrigerated heat exchanger exports 313b and four-way valve 140
C port be connected；Likewise, four-way valve 140 is in use, refrigerated heat exchanger exports 313b can also be with four-way valve 140
The port E be connected, the difference of the technical functionality that two kinds of connection types are realized not substantially, four-way valve 140 in use process
The port E and C port can be arbitrarily connected to outdoor supervisor 413 and refrigerated heat exchanger outlet one of 313b.
Reheating heat exchanger entrance 314a is connected with the exhaust outlet 111 of compressor 110, reheating heat exchanger exit 314b and working medium
Mouth I 211 is connected.Refrigerated heat exchanger entrance 313a is connected by pipeline II 432 with fulcrum I 421 in the present embodiment, pipeline I
431 are provided with check valve 318 along the working medium outflow direction of refrigerated heat exchanger outlet 313b, and working medium can only be from refrigerated heat exchanger entrance
313a enters in refrigerated heat exchanger 313, and from refrigerated heat exchanger outlet, 313b flows out refrigerated heat exchanger 313；Refrigerated heat exchanger 313 is used
It dehumidifies in outdoor air, on the one hand in summer, the humidity of outdoor air is larger, if outdoor air is without suitable
The indoor comfort for influencing whether user to a certain extent is entered when dehumidifying, and since the specific heat capacity of water is larger, air
In containing more moisture be unfavorable for the adjusting of subsequent new air temperature；On the other hand, if the new rheumatism that enters the room of when summer
It spends larger, radiates in the capillary network 240 of thermostat units 200 that the water temperature that is circulated is lower at this time, be easy in this way in capillary
There is dew condensation phenomenon in 240 surface of net, is unfavorable for the operation and maintenance of system.In addition humidifier 315 may be implemented in winter to new
Wind humidify and then realizes the adjusting to indoor air humidity.
In order to further increase the effect on moisture extraction of refrigerated heat exchanger 313 and remove wet stability, freezes in the present embodiment and change
It is provided with thermometer 313T on hot device 313, is provided with thermometer 313bT on refrigerated heat exchanger outlet 313b；Pipeline II I 432
On be provided with expansion valve III 320, temperature measured by thermometer 313T is T1, temperature measured by thermometer 313bT is T2, lead to
The aperture for crossing control expansion valve III 320, so that T2-T1=3~8 DEG C, guarantee that refrigerated heat exchanger 313 has preferable effect on moisture extraction.
Reheating heat exchanger 314 is coil exchanger；The reheating heat exchanger entrance 314a of reheating heat exchanger 314 passes through bypass
Pipe 433 is connected with exhaust pipe 411；The reheating heat exchanger exit 314b of reheating heat exchanger 314 passes through reheating return pipe 434 and fulcrum I
421 are connected, and expansion valve II 319 is provided on reheating return pipe 434, and expansion valve II 319 is electric expansion valve；Heat exchanger again
314 for carrying out temperature adjusting to the fresh air after reheating；In addition environment temperature is provided in fresh air unit 300 in the present embodiment
Meter 321 and supply air temperature meter 317, environment temperature meter 321 are set at the air inlet 301 of fresh air unit 300, i.e. fresh air pipeline
At 310 air inlet 301, supply air temperature meter 317 is set at the air outlet 302 of fresh air unit 300, i.e. fresh air pipeline 310
At air outlet 302.It is additionally provided in fresh air pipeline 310 in the present embodiment except wet bulb thermometer 316, except wet bulb thermometer 316 is set to
Between refrigerated heat exchanger 313 and reheating heat exchanger 314, cooperates the use of supply air temperature meter 317, humidifier 315 can be monitored
New air temperature after humidification, and then monitor the working condition of humidifier 315.
Fulcrum I 421 is connected to the port S of four-way valve 140 by pipeline III 435；The end S of four-way valve 140 in the present embodiment
There is a fulcrum II 422 on pipeline I 431 between mouth and check valve 318, fulcrum II 422 passes through pipeline III 435 and fulcrum I
421 are connected.In addition it is worth noting that, filter screen 312 is additionally provided in fresh air pipeline 310, the setting of filter screen 312 is changed in refrigeration
In the fresh air pipeline 310 in hot 313 front of device, for filtering the impurity in the air for entering fresh air pipeline 310.
Embodiment 2
As shown in figure 4, the system of the present embodiment is same as Example 1, the present embodiment is a kind of fresh air-capillary of the invention
Pipe network air combines regulating system process of refrigerastion, when external environment is in summer or the indoor state for needing to be in lower temperature
When, system starts process of refrigerastion.Cooling system process are as follows:
As shown in Figures 1 to 3, compressor 110 compresses working medium, generates the gaseous working medium of high temperature and pressure, high temperature and pressure
Gaseous working medium transport into exhaust pipe 411, then the gaseous working medium is divided into two-way, all the way reach four-way valve 140 the port D,
Another way flows into bypass pipe 433.
A, be described herein as 411 high temperature high pressure of exhaust pipe gaseous working medium reach the port four-way valve 140C that all the way.This
The port D of four-way valve 140 is connected with the port E in embodiment, so the gaseous working medium on the road enters outdoor supervisor by E port flow
413, then entered in outdoor heat exchanger 120 by outdoor supervisor 413, outdoor heat exchanger 120 is condenser, high temperature in the present embodiment
The gaseous working medium of high pressure is condensed into the liquid refrigerant of high temperature and pressure within the condenser, and discharges the heat of transformation；Then high temperature and pressure
For liquid refrigerant by expansion valve I 130, expansion valve I 130 reduces the pressure of liquid refrigerant, and liquid in 413 is responsible for outside regulation room
The flow of state working medium here makes the high temperature and pressure liquid working medium become the gas-liquid two-phase state working medium of low-temp low-pressure, and then this is low
The gas-liquid two-phase state working medium of warm low pressure passes through outdoor supervisor 413 and flow to fulcrum I 421, the gas of low-temp low-pressure at fulcrum I 421
Two phase working medium of liquid is divided into two-way, enters in trim heat exchanger 210 exchange heat all the way, and another way is entered by pipeline II 432
In refrigerated heat exchanger 313.
A, the gas-liquid two-phase state working medium for being described herein as low-temp low-pressure at fulcrum I 421 enters that in trim heat exchanger 210
All the way.The liquid refrigerant of low-temp low-pressure enters pipeline III 435, and enters trim heat exchanger 210, low temperature by working medium mouth I 211
Liquid refrigerant the water in trim heat exchanger 210 is cooled down so that the lower water of circulating temperature in capillary network 240, from
And it absorbs and takes away indoor heat, and then realize to indoor refrigeration.The shape after the heat exchange of the liquid refrigerant of trim heat exchanger 210
It is flowed out at the gaseous working medium of low-temp low-pressure from working medium mouth II 212, fulcrum II 422 is then flow to by pipeline III 435, low temperature is low
The gaseous working medium of pressure passes through the port S that pipeline I 431 flow to four-way valve 140 again, and in the present embodiment, C port is connected with the port S
It connects, the gaseous working medium of low-temp low-pressure flow to the port S from C port, then passes through outdoor return pipe 412 from the port S and enters compressor 110
Air entry 112.
B, the liquid refrigerant for being described herein as low-temp low-pressure at fulcrum I 421 enters refrigerated heat exchanger by pipeline II 432
In 313 that all the way.The liquid refrigerant of low-temp low-pressure is entered by the refrigerated heat exchanger that pipeline II 432 enters refrigerated heat exchanger 313
In mouth 313a, then 313b is exported from refrigerated heat exchanger and is discharged.In the present embodiment, it is evaporator, warp that refrigerated heat exchanger, which exports 313b,
The working medium for crossing refrigerated heat exchanger 313 is become the gaseous working medium of low-temp low-pressure from the liquid refrigerant of low-temp low-pressure, and working medium is undergone phase transition
Heat absorption, by the fresh air of refrigerated heat exchanger 313 by absorbing and cooling temperature in fresh air pipeline 310, vapor is cold during fresh air cooling
It is solidifying, and then realize the dehumidifying of fresh air.From the gaseous state work of the low-temp low-pressure of refrigerated heat exchanger outlet 313b outflow refrigerated heat exchanger 313
Matter flows to fulcrum II 422, then flows to the C port of four-way valve 140, then flows out again from the port S, passes through outdoor return pipe
412 enter the air entry 112 of compressor 110.
B, be described herein as 411 high temperature high pressure of exhaust pipe gaseous working medium flow into bypass pipe 433 that all the way, high temperature is high
The gaseous working medium of pressure flows into the reheating heat exchanger entrance 314a of reheating heat exchanger 314 by bypass pipe 433, by heat exchanger again
Entrance 314a is flowed into reheating heat exchanger 314 and is exchanged heat, and the fresh air after dehumidifying in fresh air pipeline 310 is by heat exchanger again
314 occur heat exchange with the gaseous working medium of high temperature and pressure, and fresh air obtains heat, herein main purpose be to the fresh air after dehumidifying into
Row temperature adjustment, because the new air temperature after the dehumidifying of 313 depth of refrigerated heat exchanger is lower, flowing directly into interior will cause user's
New air temperature is adjusted to preset temperature so needing to carry out reheating to it by discomfort.And with the working medium after new air heat-exchange from reheating
Heat exchanger exit 314b outflow, flows to expansion valve II 319 by reheating return pipe 434, working medium is changed by expansion valve II 319
The liquid refrigerant of low-temp low-pressure.It is low with the low temperature described in Aa all the way that the liquid refrigerant of low-temp low-pressure passes through reheating return pipe 434 again
The liquid refrigerant of pressure converges, and into trim heat exchanger 210, subsequent process is identical as described in Aa, and details are not described herein.
Herein it should be noted that when system is in the working condition of refrigeration, in inflow bypass pipe 433 described in B
The flow of that working medium all the way determine the height of new air temperature after 314 reheating of reheating heat exchanger, so to expansion valve II
319 apertures carry out controlling the control that can be realized to fresh air final temperature.In addition, except damp-warm syndrome is removed measured by wet bulb thermometer 316
Degree is T3, preset except wet temp is T3', work as T3'-T3Increase 110 frequency of compressor when > 0, works as T3'-T3Reduce compressor when < 0
110 frequencies.
It is worth noting that a kind of fresh air of the present embodiment-capillary network air combines regulating system summer new air temperature
Adjusting method are as follows: the working medium flow for entering reheating heat exchanger 314 from the exhaust outlet 111 of compressor 110 accounts for the exhaust of compressor 110
The ratios that working medium total flows are discharged in mouth 111 are K, rule of thumb formula: K=B × e^ (0.05 × TIt send'), B takes 0.01~0.03.
In the present embodiment, preset supply air temperature TIt send' it is 22 DEG C, B takes 0.020, K=0.18 in the present embodiment.It is then swollen by controlling
Swollen valve I 130 and expansion valve II 319 adjust the flow of two branch road working medium, and then K is controlled to 0.18；Then system can
To enter a stable fresh air tempered state.It should be noted that being not directed in the empirical equation of adjusting summer supply air temperature
To environment temperature, which is because, needing first to dehumidify to extraneous fresh air during summer Fresh air handing, the fresh air after dehumidifying
Temperature is generally relatively stable.
Embodiment 3
As shown in figure 5, the system of the present embodiment is same as Example 1, the present embodiment is a kind of fresh air-capillary of the invention
Pipe network air combines regulating system heating operations, when external environment is in winter or the indoor state for needing to be in higher temperature
When, system starts heating operations.System heating operations are as follows:
As shown in Figures 1 to 3, compressor 110 compresses working medium, generates the gaseous working medium of high temperature and pressure, high temperature and pressure
Gaseous working medium transport into exhaust pipe 411, then the gaseous working medium is divided into two-way, all the way reach four-way valve 140 the port D,
Another way flows into bypass pipe 433.
A, be described herein as 411 high temperature high pressure of exhaust pipe gaseous working medium reach four-way valve 140 C port that all the way.
The port D of four-way valve 140 is connected with C port in the present embodiment, so the gaseous working medium on the road is by C port flow ipe I
431, then the gaseous working medium on the road flows to fulcrum II 422 by pipeline I 431, exports due to leading to refrigerated heat exchanger
It is provided with check valve 318 on the pipeline I 431 of 313b, so gaseous working medium cannot be introduced into refrigerated heat exchanger outlet 313b, only
It can be flowed at working medium mouth II 212 by pipeline III 435, and trim heat exchanger 210, high temperature and pressure are entered by working medium mouth I 211
Gaseous working medium the water in trim heat exchanger 210 is heated so that the higher water of circulating temperature in capillary network 240, from
And to indoor radiations heat energy, and then realize to indoor heating, it is formed after the heat exchange of the gaseous working medium of trim heat exchanger 210 high
The liquid refrigerant of warm high pressure from working medium mouth I 211 flow out, flow out at fulcrum I 421 then pass through outdoor supervisor 413 reach it is swollen
At swollen valve I 130, expansion valve I 130 is transformed into the liquid refrigerant of low-temp low-pressure, and the liquid refrigerant is again by outdoor supervisor 413
It reaches in outdoor heat exchanger 120, outdoor heat exchanger 120 is evaporator in the present embodiment, and the liquid refrigerant of low-temp low-pressure is evaporating
It is evaporated to the gaseous working medium of low-temp low-pressure in device, and absorbs a large amount of heat, which flows to the end E of four-way valve 140
Mouthful；In the present embodiment, the port D of four-way valve 140 is connected with the port E, and gaseous working medium flows to the port S from V port, then by S
Port passes through the air entry 112 that outdoor return pipe 412 is back to compressor 110.
B, be described herein as 411 high temperature high pressure of exhaust pipe gaseous working medium flow into bypass pipe 433 that all the way, high temperature is high
The gaseous working medium of pressure flows into the reheating heat exchanger entrance 314a of reheating heat exchanger 314 by bypass pipe 433, by heat exchanger again
Entrance 314a is flowed into reheating heat exchanger 314 and is exchanged heat, and the fresh air after dehumidifying in fresh air pipeline 310 is by heat exchanger again
314 occur heat exchange with the gaseous working medium of high temperature and pressure, and fresh air obtains heat, and main purpose is entered the room to outdoor herein
Fresh air is heated, and otherwise influences whether the comfort of indoor user.And go out with the working medium after new air heat-exchange from heat exchanger again
Mouth 314b outflow, flows to expansion valve II 319 by reheating return pipe 434, working medium is changed into low-temp low-pressure by expansion valve II 319
Liquid refrigerant.The liquid refrigerant of low-temp low-pressure passes through the liquid work of the low-temp low-pressure described in reheating return pipe 434 and A all the way again
Matter is converged, then by outdoor supervisor 413 into expansion valve I 130 is crossed, subsequent process is identical as described in A, and details are not described herein.
It is worth noting that a kind of fresh air of the present embodiment-capillary network air combines regulating system winter new air temperature
Adjusting method are as follows: the environment temperature that environment temperature meter 321 measures is TRing；Enter reheating from the exhaust outlet 111 of compressor 110 to exchange heat
The ratio that working medium total flow is discharged in the exhaust outlet 111 that the working medium flow of device 314 accounts for compressor 110 is K, rule of thumb formula: K=
A×e^[0.05×(TIt send'-1.2TRing+ 8)], A takes 0.05~0.08, TIt send' it is preset supply air temperature.In the present embodiment, TRing=3
DEG C, TIt send'=25 DEG C, A takes 0.065, K=0.22.Two branch are then adjusted by control expansion valve I 130 and expansion valve II 319
The flow of road working medium, and then K is controlled to 0.22；Then system can enter a stable fresh air tempered state.
The present invention is described in detail above in conjunction with specific exemplary embodiment.It is understood, however, that can not take off
It is carry out various modifications in the case where from the scope of the present invention being defined by the following claims and modification.Detailed description and drawings
Should be to be considered only as it is illustrative and not restrictive, if there is any such modifications and variations, then they all will
It falls into the scope of the present invention described herein.In addition, Development Status and meaning that background technique is intended in order to illustrate this technology,
It is not intended to limit the present invention or the application and application field of the invention.
More specifically, although exemplary embodiment of the present invention has been described herein, the invention is not limited to
These embodiments, but modified, the omission, example that can be appreciated that including those skilled in the art according to the detailed description of front
Any and whole embodiments of combination, adaptive change and/or replacement between such as each embodiment.Restriction in claim
The language according to used in claim and widely explained, and be not limited in foregoing detailed description or implement should
The example described during application, these examples should be considered as nonexcludability.It is in office where to arrange in method or process claims
Any step lifted can execute in any order and be not limited to the sequence proposed in claim.Therefore, model of the invention
Enclosing only to be determined by appended claims and its legal equivalents, rather than by descriptions and examples given above Lai really
It is fixed.
Claims (10)
1. a kind of fresh air-capillary network air combines regulating system, which is characterized in that including
Outdoor unit (100) comprising compressor (110), outdoor supervisor (413) and four-way valve (140)；Compressor (110)
Exhaust outlet (111) and air entry (112) are connected with four-way valve (140) respectively, and the E of outdoor supervisor (413) and four-way valve (140)
Port is connected, and outdoor heat exchanger (120) and expansion valve I (130) are provided on outdoor supervisor (413)；
It radiates thermostat units (200) comprising trim heat exchanger (210), regulating valve (220) and capillary network (240), temperature adjustment is changed
The working medium mouth I (211) of hot device (210) is connected with outdoor supervisor (413), the working medium mouth II (212) and four of trim heat exchanger (210)
The C port of port valve (140) is connected, and passes through water supplying pipe (441) and water outlet between trim heat exchanger (210) and capillary network (240)
It manages (442) and constitutes water flow circuits, be provided with regulating valve (220) on water flow circuits, regulating valve (220) is changed for adjusting into temperature adjustment
The water flow of hot device (210)；
Fresh air unit (300), fresh air unit (300) include refrigerated heat exchanger (313) and heat exchanger (314) again；Cooling heat exchange
Device entrance (313a) is connected with outdoor supervisor (413), and the C port that refrigerated heat exchanger exports (313b) and four-way valve (140) is unidirectional
It is connected；Reheating heat exchanger entrance (314a) is connected with the exhaust outlet (111) of compressor (110), reheating heat exchanger exit (314b)
It is connected with working medium mouth I (211), and is provided on the pipeline between reheating heat exchanger exit (314b) and working medium mouth I (211) swollen
Swollen valve II (319).
2. a kind of fresh air according to claim 1-capillary network air combines regulating system, which is characterized in that temperature adjustment is changed
The water inlet (213) of hot device (210) is connected by outlet pipe (442) with the water outlet (242) of capillary network (240), and temperature adjustment is changed
The water outlet (214) of hot device (210) is connected by water supplying pipe (441) with the water inlet end (241) of capillary network (240)；Regulating valve
It (220) is threeway ratio adjusting valve, the interflow mouth (223) of regulating valve (220) is connected with outlet pipe (442), regulating valve (220)
Diffluence pass I (221) be connected with the water inlet (213) of trim heat exchanger (210), the diffluence pass II (222) of regulating valve (220) with
Water supplying pipe (441) is connected.
3. a kind of fresh air according to claim 1-capillary network air combines regulating system, which is characterized in that outdoor is returned
Suction temperature meter (417) and suction pressure ga(u)ge (418) are provided on pipe (412).
4. a kind of fresh air according to claim 1-capillary network air combines regulating system, which is characterized in that refrigeration is changed
It is provided with thermometer (313T) on hot device (313), is provided with thermometer (313bT) in refrigerated heat exchanger outlet (313b)；Refrigeration
Expansion valve III (320) is provided on the pipeline that heat exchanger entrance (313a) is connected with outdoor supervisor (413).
5. a kind of fresh air according to claim 1-capillary network air combines regulating system, which is characterized in that fresh air list
Filter screen (312) are provided at the air inlet 301 of first (300), for filtering the impurity entered in fresh air unit (300) air.
6. a kind of fresh air according to claim 2-capillary network air combines regulating system, which is characterized in that water supplying pipe
(441) supply water temperature meter (260) are provided on.
7. a kind of fresh air according to claim 3-capillary network air combines regulating system, which is characterized in that exhaust outlet
(111) it is provided between four-way valve (140) exhaust pipe (411), air discharge cook (414), row is provided on exhaust pipe (411)
Pressure gauge (415) and exhaust temperature gage (416).
8. a kind of described in any item fresh airs-capillary network air combines regulating system according to claim 1~7, feature exists
In outdoor heat exchanger (120) and refrigerated heat exchanger (313) are fin-tube type heat exchanger；Heat exchanger (314) is coiled heat exchange again
Device；Trim heat exchanger (210) is plate heat exchanger.
9. a kind of fresh air-capillary network air combines regulating system summer fresh air temperature control method, which is characterized in that described new
Wind-capillary network air joint regulating system is that fresh air according to any one of claims 1 to 8-capillary network air joint is adjusted
Section system, the working medium flow for entering again heat exchanger (314) from the exhaust outlet (111) of compressor (110) account for compressor (110)
The ratio that working medium total flow is discharged in exhaust outlet (111) is K, K=B × e^ (0.05 × TIt send'), B takes 0.01~0.03, TIt send' it is pre-
If supply air temperature.
10. a kind of fresh air-capillary network air combines regulating system winter fresh air temperature control method, which is characterized in that described
Fresh air-capillary network air joint regulating system is fresh air according to any one of claims 1 to 8-capillary network air joint
Regulating system, and environment temperature meter (321) are provided at the air inlet of fresh air unit (300) (301)；Environment temperature meter
(321) environment temperature measured is TRing；Enter again the working medium stream of heat exchanger (314) from the exhaust outlet (111) of compressor (110)
The ratio that amount accounts for compressor (110) discharge working medium total flow is K, K=A × e^ [0.05 × (TIt send'-1.2TRing+ 8)], A takes 0.05
~0.08, TIt send' it is preset supply air temperature.
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| CN113007916A (en) * | 2021-02-08 | 2021-06-22 | 南京慧和建筑技术有限公司 | Fresh air heat exchange method and air conditioning system using same |
| CN113266898A (en) * | 2021-04-16 | 2021-08-17 | 浙江理工大学 | Capillary tube radiation and fresh air dehumidifier combined operation heat pump system |
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| CN109827304B (en) | 2024-06-04 |
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