CN103900174B - A kind of dual temperature radiant heat pump-type room air conditioner processing new wind - Google Patents

A kind of dual temperature radiant heat pump-type room air conditioner processing new wind Download PDF

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Publication number
CN103900174B
CN103900174B CN201410062508.4A CN201410062508A CN103900174B CN 103900174 B CN103900174 B CN 103900174B CN 201410062508 A CN201410062508 A CN 201410062508A CN 103900174 B CN103900174 B CN 103900174B
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China
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valve
pipe
mouth
heat exchanger
connects
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CN201410062508.4A
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Chinese (zh)
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CN103900174A (en
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赵蕾
赵锡锦
胡安都
王君
赵庆亮
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西安建筑科技大学
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

nullA kind of dual temperature radiant heat pump-type room air conditioner processing new wind,Including compressor,Compressor passes through four-way change-over valve junction chamber external heat exchanger,Outdoor heat exchanger connects metal radiant panel in parallel and induction type Fresh air handing device and arranges valve combination on connecting line,Metal radiant panel and induction type Fresh air handing device by ejector and three-way valve tieback four-way change-over valve and outdoor heat exchanger,Cold-producing medium glide path is changed by four-way change-over valve and three-way valve and valve combination,Make metal radiant panel and induction type Fresh air handing device for parallel evaporator under summer condition,It it is parallel condensing device under winter condition,And defrosting operating condition is provided,Present invention achieves the low-temperature receiver demand for independent temperature-humidity control under single compressor summer condition,Winter、The two-fold advantage of radiation and new wind heat/cool is used under summer condition,And indoor air quality can be improved,Improve thermal comfort and avoid secondary heat exchange loss,Improve energy utilization rate.

Description

A kind of dual temperature radiant heat pump-type room air conditioner processing new wind

Technical field

The invention belongs to field of heating ventilation air conditioning, particularly to a kind of dual temperature radiant heat pump-type room air conditioner processing new wind.

Background technology

Traditional air conditioner summer cooling generally uses the cold water of 7 DEG C or lower as coolant, it is achieved the dehumidifying and cooling to air.Usually process room sensible heat, latent heat load less than the low-temperature cold water of room air dew point temperature, but this portion of energy processing sensible heat load can be by what high temperature low-temperature receiver was taken away, thus result in the waste of high-grade energy;Traditional air conditioner heating in winter operating mode, generally uses the heating agent that temperature is higher, process chamber inner circulating air.Generally using convection type and air to carry out heat exchange, the supply air temperature difference after process is the biggest, easily causes human body comfort poor, and local cold-hot wind air-flow is excessive.Have that indoor air quality is the best, comfortableness is poor and room air in winter such as is excessively dried at the problem.

Existing air-conditioning system usual summer is with cold water, winter with hot water as medium, i.e. reduce/improve the temperature of radiating surface by cold/hot water heat convection in pipe, radiating surface again by radiation, in the way of convection current to indoor offer cold heat amount, maintain indoor thermal balance;On the other hand wet in order to eliminate more than Summer Indoor, it is necessary for the cold water using temperature relatively low, the evaporating temperature causing kind of refrigeration cycle vaporizer is relatively low, and COP is relatively low.And winter in order to process air quantity bigger circulation air needed for hot water temperature higher, condensation temperature can be caused higher, COP is relatively low.Through cryogen and water heat exchange, there is secondary heat exchange loss, energy ecology is low.

For the problems referred to above, independent temperature-humidity control can well overcome these defects.Indoor comfort can be improved well, it is to avoid second heat loses in conjunction with the measure such as radiant panel, dedicated outdoor air system.

Summary of the invention

For the shortcoming overcoming above-mentioned prior art, it is an object of the invention to provide a kind of dual temperature radiant heat pump-type room air conditioner processing new wind, only need single compressor, under summer condition, cold-producing medium respectively enters metal radiant panel by two heating power expansion valves after being throttled and the evaporation gasification of induction type Fresh air handing device meets the demand to low-temperature receiver, metal radiant panel carries out heat exchange to indoor with convection current, radiation mode, and induction type Fresh air handing device carries out cool-down dehumidification by convection to new wind;Under winter condition, indoor metal radiant panel, induction type Fresh air handing device are that condenser avoids radiation air-conditioner and uses water as the second heat loss problem that cold and hot matchmaker causes, system directly utilizes metal radiant panel, induction type Fresh air handing device as condenser, indoor environment is adjusted, relatively low condensation temperature can be used, make the coefficient of performance of system improve;Process in conjunction with dedicated fresh air, improve traditional air conditioner indoor Control platform poor, the problem that the excessive comfortableness caused of supply air temperature difference is not good enough.

To achieve these goals, the technical solution used in the present invention is:

A kind of dual temperature radiant heat pump-type room air conditioner processing new wind, including compressor 1, compressor 1 is by four-way change-over valve 2 junction chamber external heat exchanger 3, outdoor heat exchanger 3 connects metal radiant panel 6 in parallel and induction type Fresh air handing device 7 and arranges valve combination on connecting line, metal radiant panel 6 and induction type Fresh air handing device 7 connect tieback compressor 1 after gas-liquid separator 10 by ejector 8 and three-way valve 9, cold-producing medium glide path is changed by four-way change-over valve 2 and three-way valve 9 and valve combination, make metal radiant panel 6 and induction type Fresh air handing device 7 for parallel evaporator under summer condition, it it is parallel condensing device under winter condition.

Bypass line is set between three-way valve 9 mouth of pipe e and the outlet of outdoor heat exchanger 3 and on pipeline, is provided with electromagnetic valve 11;

Under summer condition, the outlet of described compressor 1 meets the mouth of pipe a of four-way change-over valve 2, the mouth of pipe b junction chamber external heat exchanger 3 of four-way change-over valve 2, outdoor heat exchanger 3 connects metal radiant panel 6 by heating power expansion valve two 4b and check valve two 5b, induction type Fresh air handing device 7 is connected by heating power expansion valve four 4d and check valve four 5d, metal radiant panel 6 and induction type Fresh air handing device 7 connect two entrances of ejector 8 respectively, the mouth of pipe f of the outlet connecting tee valve 9 of ejector 8, the mouth of pipe e of three-way valve 9 connects the mouth of pipe d of four-way change-over valve 2, the mouth of pipe c of four-way change-over valve 2 passes through gas-liquid separator 10 tieback to compressor 1, electromagnetic valve 11 cuts out;Wherein, entrance and the outdoor heat exchanger 3 of heating power expansion valve two 4b connect, and the outlet of heating power expansion valve two 4b connects with the entrance of check valve two 5b, and the outlet of check valve two 5b connects with metal radiant panel 6.Entrance and the outdoor heat exchanger 3 of heating power expansion valve four 4d connect, and the outlet of heating power expansion valve four 4d connects with the entrance of check valve four 5d, and the outlet of check valve four 5d connects with induction type Fresh air handing device 7.

Under winter condition, the outlet of described compressor 1 meets the mouth of pipe a of four-way change-over valve 2, the mouth of pipe e of the mouth of pipe d connecting tee valve 9 of four-way change-over valve 2, the mouth of pipe g of three-way valve 9 connects metal radiant panel 6 in parallel and induction type Fresh air handing device 7, metal radiant panel 6 is connected with outdoor heat exchanger 3 by heating power expansion valve one 4a and check valve one 5a, induction type Fresh air handing device is connected with outdoor heat exchanger 3 by heating power expansion valve three 4c and check valve three 5c, outdoor heat exchanger 3 connects the mouth of pipe b of four-way change-over valve 2, the mouth of pipe c of four-way change-over valve 2 passes through gas-liquid separator 10 tieback to compressor 1, the mouth of pipe f of three-way valve 9 turns off, ejector 8 does not plays a role, electromagnetic valve 11 cuts out.Wherein, entrance and the metal radiant panel 6 of heating power expansion valve one 4a connect, and the outlet of heating power expansion valve one 4a connects with the entrance of check valve one 5a, and the outlet of check valve one 5a connects with outdoor heat exchanger 3.Entrance and the induction type Fresh air handing device 7 of heating power expansion valve three 4c connect, and the outlet of heating power expansion valve three 4c connects with the entrance of check valve three 5c, and the outlet of check valve three 5c connects with outdoor heat exchanger 3.

Described electromagnetic valve 11 is only opened when defrosting operating condition, under defrosting operating condition, the outlet of compressor 1 meets the mouth of pipe a of four-way change-over valve 2, mouth of pipe b connecting tee valve 9 mouth of pipe e of four-way change-over valve 2, electromagnetic valve 11 is opened, the pipeline being connected between three-way valve 9 mouth of pipe e and outdoor heat exchanger 3 connects with outdoor heat exchanger 3, so that outdoor heat exchanger 3 is defrosted, outdoor heat exchanger 3 connects the mouth of pipe b of four-way change-over valve 2, the mouth of pipe c of four-way change-over valve 2 connects the entrance of gas-liquid separator 10, the entrance of the outlet 10 tieback compressor 1 of gas-liquid separator.

Under described summer condition, the mouth of pipe a of four-way change-over valve 2 connects inside valve with mouth of pipe b, mouth of pipe c connects inside valve with mouth of pipe d, thus the outlet of compressor 1 connects with the entrance of outdoor heat exchanger 3, the mouth of pipe e of three-way valve 9 connects with the entrance of gas-liquid separator 10, outlet tieback compressor 1 entrance of gas-liquid separator 10, and the outlet of ejector 8 connects with the mouth of pipe f of three-way valve 9, the f-e passage of three-way valve 9 is opened, g pathway closure;

Under described winter condition, the mouth of pipe a of four-way change-over valve 2 connects inside valve with mouth of pipe d, mouth of pipe b connects inside valve with mouth of pipe c, thus the outlet of compressor 1 connects with the mouth of pipe e of three-way valve 9, outdoor heat exchanger 3 outlet connects with the entrance of gas-liquid separator 10, takes back the entrance of compressor 1 through the outlet of gas-liquid separator 10, the e-g passage unlatching of three-way valve 9, f pathway closure, ejector 8 does not plays a role.

Described metal radiant panel 6 is the top metallic plate with thin metal pipe, it is installed on furred ceiling in room 12, wall or ground, in thin metal pipe, flow media is cold-producing medium R22, under summer condition, metal radiant panel 6 is middle temperature vaporizer, cold-producing medium evaporates boiling wherein, the function of room temperature regulation is played by metal radiant panel 6 and room air and the convection current of wall thereof and radiation effects, the evaporating temperature controlling metal radiant panel inner refrigerant is 15-16 ± 0.5 DEG C, the temperature making radiant panel surface is in 18 DEG C~20 DEG C, i.e. the surface temperature of radiant panel is higher than the dew point temperature of room conditioning design parameter;In the winter time under operating mode, metal radiant panel 6 is condenser, and cold-producing medium condensation temperature wherein is 35-36 ± 0.5 DEG C, maintains metal sheet surface temperature to be in 30 DEG C~32 DEG C by heat transmission, meets radiant heating design specification for human body comfort requirement.

Described induction type Fresh air handing device 7 is with horizontal or vertical be installed in room 12, fresh wind port 13 is set on it, fresh wind port 13 is provided for the fan 19 pressurization of new wind imported, inside arranges fin-tube heat exchanger 18 and newly wind sprays and induces the nozzle 20 of indoor return air after processing, wherein new wind sprays from air outlet 15, and indoor return air enters from return air inlet 14;Under summer condition, fin-tube heat exchanger 18 is cryogenic vaporizer, and new wind is by its cool-down dehumidification, and induces indoor return air to be sprayed by nozzle 20;In the winter time under operating mode, fin-tube heat exchanger 18 is condenser, and new wind is heated by heating up, and induces indoor return air to be sprayed by nozzle 20.

Flow media in fin-tube heat exchanger 18 is cold-producing medium R22, and under summer condition, the evaporating temperature controlling cold-producing medium is 5 ± 0.5 DEG C, with to new wind cool-down dehumidification;In the winter time under operating mode, the condensation temperature of control cold-producing medium is in 35-36 ± 0.5 DEG C, with to new wind heat temperature raising.

Being provided with solidifying water pond 16 below described fin-tube heat exchanger 18, it is outside that solidifying water pond 16 picks out induction type Fresh air handing device 7 by solidifying water comb 17.

Described ejector 8 includes nozzle, injection mixing section and diffuser, under summer condition, going out the cold-producing medium of metal radiant panel 6 after nozzle blood pressure lowering is raised speed, injection goes out the cold-producing medium of induction type Fresh air handing device 5, diffusion after the two isobaric mixing, returns again to reciprocation cycle work in compressor 1;In the winter time under operating mode, by three-way valve 9, ejector 8 is cut off and make it not play a role.

Compared with prior art, the invention has the beneficial effects as follows:

1) have employed metal radiant panel and dedicated fresh air shared indoor load, have more preferable comfortableness and indoor air quality compared to traditional air conditioner.

2) in the metal radiant panel of unit, induction type Fresh air handing device, flow media is cold-producing medium, it is to avoid the second heat loss problem of cryogen and water heat transfer process.

3) use single compressor, meet building effect for the cooling/heating of indoor environment simultaneously.

4) using induction type Fresh air handing device can reduce supply air temperature difference, new wind first processes through fin-tube heat exchanger, then sends into after mix with indoor return air indoor, supply air temperature difference reduces, the blowing feeling of air-supply weakens, and noise reduces, the comfortableness raising that indoor comfort is more indoor than traditional air conditioner;The air quantity that induction type Fresh air handing device processes reduces, and can reduce the heat exchange area of induction type Fresh air handing device, reduces its volume further.

5) system uses single compressor, under summer condition, obtains different evaporating pressures after two heating power expansion valves, is respectively different evaporating temperatures, meets the low-temperature receiver requirement of room independent temperature-humidity control in radiant panel, fin-tube heat exchanger;In radiant panel, evaporating temperature improves, the beneficially raising of the Energy Efficiency Ratio of system;In the winter time under operating mode, in radiant panel, fin-tube heat exchanger, cold-producing medium can regulate indoor environment temperature under relatively low condensing pressure, and process air, after after heating power expansion valve throttles, be passed through outdoor heat exchanger, condensation temperature reduces and is conducive to improving systematic energy efficiency ratio.The load that in dual temperature radiation air-conditioner device, radiant panel undertakes is the most, and energy saving is higher.

6) system operating mode in the winter time can meet defrosting requirement by opens solenoid valve.

Accompanying drawing explanation

Fig. 1 is present configuration schematic diagram.

Fig. 2 is the structural representation of induction type Fresh air handing device of the present invention.

Detailed description of the invention

Embodiments of the present invention are described in detail below in conjunction with the accompanying drawings with embodiment.

As shown in Figure 1, a kind of dual temperature radiant heat pump-type room air conditioner processing new wind of the present invention, including compressor 1, the outlet of compressor 1 meets the mouth of pipe a of four-way change-over valve 2, the mouth of pipe b junction chamber external heat exchanger 3 of four-way change-over valve 2, outdoor heat exchanger 3 connects metal radiant panel 6 and induction type Fresh air handing device 7 and arranges valve combination on connecting line, metal radiant panel 6 and induction type Fresh air handing device 7 connect two entrances of ejector 8 respectively, the mouth of pipe f of the outlet connecting tee valve 9 of ejector 8, the mouth of pipe e of three-way valve 9 connects mouth of pipe d and the outlet of outdoor heat exchanger 3 of four-way change-over valve 2, the mouth of pipe c of four-way change-over valve 2 passes through gas-liquid separator 10 tieback to compressor 1.

Wherein, valve combination is:

Outdoor heat exchanger 3 is provided with, on the connecting line of metal radiant panel 6, the valve combination being made up of heating power expansion valve one 4a and check valve one 5a, heating power expansion valve two 4b and check valve two 5b, wherein, metal radiant panel 6 connects the entrance of heating power expansion valve one 4a, the outlet of heating power expansion valve one 4a connects the entrance of check valve one 5a, and the outlet of check valve one 5a connects outdoor heat exchanger 3;Outdoor heat exchanger connects the entrance of heating power expansion valve two 4b, and the outlet of heating power expansion valve two 4b connects the entrance of check valve two 5b, and the outlet of check valve 5b connects metal radiant panel;

Outdoor heat exchanger 3 is provided with, on the connecting line of induction type Fresh air handing device 7, the valve combination being made up of heating power expansion valve three 4c, heating power expansion valve four 4d, check valve three 5c and check valve four 5d, wherein, the entrance of outdoor heat exchanger 3 heating power expansion valve four 4d, the outlet of heating power expansion valve four 4d connects the entrance of check valve four 5d, and the outlet of check valve four 5d connects induction type Fresh air handing device 7;Induction type Fresh air handing device 7 connects the entrance of heating power expansion valve three 4c, and the outlet of heating power expansion valve three 4c connects the entrance of check valve three 5c, and the outlet of check valve three 5c connects outdoor heat exchanger.

According to summer and winter condition, select to open and close different valves and adjust flow channel.

As shown in Figure 2, induction type Fresh air handing device 7 is with horizontal or vertical be installed in room 12, fresh wind port 13 is set on it, fresh wind port 13 is provided for the fan 19 pressurization of new wind imported, inside arranges fin-tube heat exchanger 18 and newly wind sprays and induces the nozzle 20 of indoor return air after processing, wherein new wind sprays from air outlet 15, and indoor return air enters from return air inlet 14;Flow media in fin-tube heat exchanger 18 is cold-producing medium R22.New wind is entered in induction type Fresh air handing device by fresh wind port 13, and new wind adds pressure fan 19, moves downward from fresh wind port 13.

Under summer condition, fin-tube heat exchanger 18 is cryogenic vaporizer, and the evaporating temperature controlling cold-producing medium is 5 ± 0.5 DEG C, and new wind is by its cool-down dehumidification, and induces indoor return air to be sprayed by nozzle 20;In the winter time under operating mode, fin-tube heat exchanger 18 is condenser, and the condensation temperature of control cold-producing medium is in 35-36 ± 0.5 DEG C, and new wind is heated by heating up, and induces indoor return air to be sprayed by nozzle 20.

Airflow passes fin-tube heat exchanger 18 carries out heat exchange, and fin-tube heat exchanger 18 Bottomhole pressure medium is cold-producing medium, and its wind new to outdoor processes;New wind after treatment, under the effect of nozzle 20 send into indoor, when supply air temperature difference is the highest can not meet human comfort in the case of, can induce indoor return air after return air inlet 14 mixes with new wind, after reaching suitable wind pushing temperature, send into indoor from air outlet 15.

Being provided with solidifying water pond 16 below fin-tube heat exchanger 18, it is outside that solidifying water pond 16 picks out induction type Fresh air handing device 7 by solidifying water comb 17, thus is discharged by condensed water.

The present invention changes cold-producing medium glide path by four-way change-over valve 2 and three-way valve 9 and valve combination and makes metal radiant panel 6 and induction type Fresh air handing device 7 be parallel evaporator under summer condition, is parallel condensing device under winter condition.

Concrete workflow with principle is:

Under summer condition, cold-producing medium is done work by compressor 1, and compressor 1 outlet is connected with four-way change-over valve 2 mouth of pipe a, and four-way change-over valve 2 mouth of pipe b is connected with outdoor heat exchange machine 3, and cold-producing medium flows to mouth of pipe b from mouth of pipe a in four-way change-over valve 2 and enters back into outdoor heat exchange machine 3;Cold-producing medium heat release in outdoor heat exchanger 3 condenses;Outdoor heat exchanger 3 exports and is connected in parallel with heating power expansion valve two 4b and heating power expansion valve four 4d entrance respectively, and cold-producing medium is reducing pressure by regulating flow in heating power expansion valve two 4b and heating power expansion valve four 4d;Heating power expansion valve two 4b outlet is connected with check valve two 5b entrance;Check valve two 5b outlet is connected with metal radiant panel 6 entrance, medium temperature and medium pressure cold-producing medium gasifies in metal radiant panel, cold-producing medium flows and avoids adopting the secondary heat exchange loss using water as medium and produce in metal radiant panel 6, can improve the evaporating temperature in metal radiant panel 6.On the other hand metal radiant panel 6 exit is provided with the temperature-sensing element of heating power expansion valve two 4b, and temperature-sensing element controls the aperture of heating power expansion valve two 4b, thus controls the radiant panel surface temperature dew point temperature higher than room conditioning design parameter, it is to avoid radiant panel surface sweating.Heating power expansion valve four 4d outlet is connected with check valve four 5d entrance, and cold-producing medium is reducing pressure by regulating flow in heating power expansion valve four 4d;Check valve four 5d outlet is connected with induction type Fresh air handing device 7 entrance, low-temperature low-pressure refrigerant gasifies wind cool-down dehumidification new to outdoor in fin-tube heat exchanger 18, room is sent into indoor return air after mixing, on the other hand at induction type Fresh air handing device 7 refrigerant outlet, it is provided with temperature-sensing element, temperature-sensing element controls the aperture of heating power expansion valve four 4d, thus controls the evaporating temperature of heat exchanger in induction type Fresh air handing device 7 and can reach the purpose of the cool-down dehumidification to new wind.Metal radiant panel 6 exports, induction type Fresh air handing device 7 exports and is connected with two entrances of ejector 8 respectively, the cold-producing medium going out metal radiant panel 6 of middle temperature cold-producing medium going out induction type Fresh air handing device 7 of injection low temperature after blood pressure lowering speed-raising in ejector 8, the two mixing after and diffusion, flow out from ejector 8;Ejector 8 outlet is connected with the mouth of pipe f of three-way valve 9, and now three-way valve 9 opens e-f passage, g pathway closure;The mouth of pipe e of three-way valve 9 is connected with the mouth of pipe d of four-way change-over valve 2, and cold-producing medium is flowed to mouth of pipe c by mouth of pipe d in four-way change-over valve 2;The mouth of pipe c of four-way change-over valve 2 is connected with gas-liquid separator 10 entrance;Gas-liquid separator 10 outlet is connected with compressor 1 entrance.

In the winter time under operating mode, cold-producing medium is done work by compressor 1, and compressor 1 outlet is connected with four-way change-over valve 2 mouth of pipe a, and cold-producing medium flows to mouth of pipe d from heating power expansion valve 2 mouth of pipe a;Four-way change-over valve 2 mouth of pipe d is connected with three-way valve 9 mouth of pipe e, and now three-way valve 9 opens e-g passage, f pathway closure, and ejector 8 is cut off, i.e. ejector does not works;Three-way valve 9 mouth of pipe g is connected in parallel with metal radiant panel 6, induction type Fresh air handing device 7 entrance respectively, metal radiant panel 6 outlet is connected with heating power expansion valve one 4a entrance, cold-producing medium flows and avoids adopting the second heat loss using water as medium and produce in metal radiant panel 6, can reduce the condensation temperature in metal radiant panel 6;Cold-producing medium is reducing pressure by regulating flow in heating power expansion valve one 4a, and heating power expansion valve one 4a outlet is connected with check valve one 5a entrance, and check valve one 5a outlet is connected with outdoor heat exchanger 3 entrance, and outdoor heat exchanger 3 is vaporizer.Metal radiant panel 6 exit is provided with the temperature-sensing element of heating power expansion valve one 4a, temperature-sensing element controls the aperture of heating power expansion valve one 4a, thus controlling cold-producing medium condensation temperature wherein is 35-36 ± 0.5 DEG C, maintain metal sheet surface temperature to be in 30 DEG C~32 DEG C by heat transmission, meet radiant heating design specification for human body comfort requirement.The outlet of induction type Fresh air handing device 7 is connected with heating power expansion valve three 4c entrance, and cold-producing medium flows in finned heat exchanger 18, it is to avoid adopt the second heat loss using water as medium and produce;Heating power expansion valve three 4c outlet is connected with check valve three 5c entrance;Check valve three 5c outlet is connected with outdoor heat exchanger 3 entrance, and outdoor heat exchanger 3 is vaporizer;Being provided with temperature-sensing element at induction type Fresh air handing device 7 refrigerant outlet, temperature-sensing element controls the aperture of heating power expansion valve three 4c, thus controls in induction type Fresh air handing device 7 heat exchanger that the condensation temperature of cold-producing medium is in 35-36 ± 0.5 DEG C, with to new wind heat temperature raising;New wind flows through nozzle and induces room air to enter Fresh air handing device from return air inlet after heating up, mix with new wind after treatment, then send into indoor from air outlet.Outdoor heat exchanger 3 outlet is connected with four-way change-over valve 2 mouth of pipe b, and cold-producing medium flows to mouth of pipe c from four-way change-over valve 2 mouth of pipe b;Four-way change-over valve 2 mouth of pipe c is connected with gas-liquid separator 10 entrance;Gas-liquid separator 10 outlet is connected with compressor 1 entrance.In the winter time under operating mode, metal radiant panel 6 and induction type Fresh air handing device 7 are condenser, cold-producing medium condensation temperature wherein is 35-36 ± 0.5 DEG C, maintains metal sheet surface temperature to be in 30 DEG C~32 DEG C by heat transmission, meets radiant heating design specification for human body comfort requirement.

Its in the winter time operating mode defrosting operation principle, compressor 1 outlet be connected with four-way change-over valve 2 mouth of pipe a, cold-producing medium flows to mouth of pipe d from four-way change-over valve 2 mouth of pipe a;Four-way change-over valve 2 mouth of pipe d is connected with electromagnetic valve 11 entrance;Electromagnetic valve 11 outlet is connected with outdoor heat exchanger 3 entrance;Outdoor heat exchanger 3 outlet is connected with four-way change-over valve 2 mouth of pipe b, and cold-producing medium flows to mouth of pipe c from four-way change-over valve 2 mouth of pipe b;Four-way change-over valve 2 mouth of pipe c is connected with gas-liquid separator 10 entrance;Gas-liquid separator 10 outlet is connected with the entrance of compressor 1.

The present invention can realize cooling, two kinds of functions of heating under the operating mode of single compressor, and combines radiant panel/dedicated fresh air, wherein use cryogen formula radiant panel directly to indoor process, it is to avoid secondary heat exchange loss, improves energy utilization rate.In the winter time with under summer condition, the gateway of outdoor heat exchanger 3 parts such as grade is mutually changed.

In the above-described embodiments, being described the canonical process of invention, those skilled in the art can carry out various improvement and deformation on the basis of above-mentioned principle, and these are changed and deformation is within the scope of the present invention.

Claims (9)

1. the dual temperature radiant heat pump-type room air conditioner that can process new wind, including compressor (1), it is characterized in that, compressor (1) passes through four-way change-over valve (2) junction chamber external heat exchanger (3), outdoor heat exchanger (3) connects metal radiant panel (6) in parallel and induction type Fresh air handing device (7) and arranges valve combination on connecting line, metal radiant panel (6) and induction type Fresh air handing device (7) connect gas-liquid separator (10) tieback compressor (1) afterwards by ejector (8) and three-way valve (9), cold-producing medium glide path is changed by four-way change-over valve (2) and three-way valve (9) and valve combination, make metal radiant panel (6) and induction type Fresh air handing device (7) for parallel evaporator under summer condition, it it is parallel condensing device under winter condition.
Dual temperature radiant heat pump-type room air conditioner the most according to claim 1, it is characterised in that
Bypass line is set between the outlet of three-way valve (9) mouth of pipe e and outdoor heat exchanger (3) and on pipeline, is provided with electromagnetic valve (11);
Under summer condition, the outlet of described compressor (1) meets the mouth of pipe a of four-way change-over valve (2), mouth of pipe b junction chamber external heat exchanger (3) of four-way change-over valve (2), outdoor heat exchanger (3) connects metal radiant panel (6) by heating power expansion valve two (4b) and check valve two (5b), induction type Fresh air handing device (7) is connected by heating power expansion valve four (4d) and check valve four (5d), metal radiant panel (6) and induction type Fresh air handing device (7) connect two entrances of ejector (8) respectively, the mouth of pipe f of outlet connecting tee valve (9) of ejector (8), the mouth of pipe e of three-way valve (9) connects the mouth of pipe d of four-way change-over valve (2), the mouth of pipe c of four-way change-over valve (2) is by gas-liquid separator (10) tieback to compressor (1), electromagnetic valve (11) cuts out;
nullUnder winter condition,The outlet of described compressor (1) meets the mouth of pipe a of four-way change-over valve (2),The mouth of pipe e of mouth of pipe d connecting tee valve (9) of four-way change-over valve (2),The mouth of pipe g of three-way valve (9) connects metal radiant panel (6) in parallel and induction type Fresh air handing device (7),Metal radiant panel (6) is connected with outdoor heat exchanger (3) by heating power expansion valve one (4a) and check valve one (5a),Induction type Fresh air handing device is connected with outdoor heat exchanger (3) by heating power expansion valve three (4c) and check valve three (5c),Outdoor heat exchanger (3) connects the mouth of pipe b of four-way change-over valve (2),The mouth of pipe c of four-way change-over valve (2) is by gas-liquid separator (10) tieback to compressor (1),The mouth of pipe f of three-way valve (9) turns off,Ejector (8) does not plays a role,Electromagnetic valve (11) cuts out.
Dual temperature radiant heat pump-type room air conditioner the most according to claim 2, it is characterised in that
Under described summer condition, the mouth of pipe a of four-way change-over valve (2) connects inside valve with mouth of pipe b, mouth of pipe c connects inside valve with mouth of pipe d, thus the outlet of compressor (1) connects with the entrance of outdoor heat exchanger (3), the mouth of pipe e of three-way valve (9) connects with the entrance of gas-liquid separator (10), outlet tieback compressor (1) entrance of gas-liquid separator (10), the outlet of ejector (8) connects with the mouth of pipe f of three-way valve (9), the mouth of pipe f and mouth of pipe e of three-way valve (9) opens and forms passage, and mouth of pipe g closes;
Under described winter condition, the mouth of pipe a of four-way change-over valve (2) connects inside valve with mouth of pipe d, mouth of pipe b connects inside valve with mouth of pipe c, thus the outlet of compressor (1) connects with the mouth of pipe e of three-way valve (9), outdoor heat exchanger (3) outlet connects with the entrance of gas-liquid separator (10), the entrance of compressor (1) is taken back through the outlet of gas-liquid separator (10), the mouth of pipe e and mouth of pipe g of three-way valve (9) opens and forms passage, mouth of pipe f closes, and ejector (8) does not plays a role.
Dual temperature radiant heat pump-type room air conditioner the most according to claim 2, it is characterized in that, described electromagnetic valve (11) is only opened when defrosting operating condition, under defrosting operating condition, the outlet of compressor (1) meets the mouth of pipe a of four-way change-over valve (2), mouth of pipe b connecting tee valve (9) mouth of pipe e of four-way change-over valve (2), electromagnetic valve (11) is opened, the pipeline being connected between three-way valve (9) mouth of pipe e and outdoor heat exchanger (3) connects with outdoor heat exchanger (3), so that outdoor heat exchanger (3) is defrosted, outdoor heat exchanger (3) connects the mouth of pipe b of four-way change-over valve (2), the mouth of pipe c of four-way change-over valve (2) connects the entrance of gas-liquid separator (10), the entrance of outlet tieback compressor (1) of gas-liquid separator (10).
Dual temperature radiant heat pump-type room air conditioner the most according to claim 1, it is characterized in that, described metal radiant panel (6) is the top metallic plate with thin metal pipe, it is installed on room (12) interior furred ceiling, wall or ground, in thin metal pipe, flow media is cold-producing medium R22, under summer condition, metal radiant panel (6) is middle temperature vaporizer, cold-producing medium evaporates boiling wherein, the function of room temperature regulation is played by metal radiant panel (6) and room air and the convection current of wall thereof and radiation effects, the evaporating temperature controlling metal radiant panel inner refrigerant is (15~16) ± 0.5 DEG C, the temperature making radiant panel surface is in 18 DEG C~20 DEG C, i.e. the surface temperature of radiant panel is higher than the dew point temperature of room conditioning design parameter;In the winter time under operating mode, metal radiant panel (6) is condenser, cold-producing medium condensation temperature wherein is (35~36) ± 0.5 DEG C, maintains metal sheet surface temperature to be in 30 DEG C~32 DEG C by heat transmission, meets radiant heating design specification for human body comfort requirement.
Dual temperature radiant heat pump-type room air conditioner the most according to claim 1, it is characterized in that, described induction type Fresh air handing device (7) with horizontal or vertical be installed on room (12) in, fresh wind port (13) is set on it, fresh wind port (13) is provided for the fan (19) pressurization of new wind imported, inside arranges fin-tube heat exchanger (18) and newly wind sprays and induce the nozzle (20) of indoor return air after processing, wherein new wind sprays from air outlet (15), and indoor return air enters from return air inlet (14);Under summer condition, fin-tube heat exchanger (18) is cryogenic vaporizer, and new wind is by its cool-down dehumidification, and induces indoor return air to be sprayed by nozzle (20);In the winter time under operating mode, fin-tube heat exchanger (18) is condenser, and new wind is heated by heating up, and induces indoor return air to be sprayed by nozzle (20).
Dual temperature radiant heat pump-type room air conditioner the most according to claim 6, it is characterized in that, the flow media in fin-tube heat exchanger (18) is cold-producing medium R22, under summer condition, the evaporating temperature controlling cold-producing medium is 5 ± 0.5 DEG C, with to new wind cool-down dehumidification;In the winter time under operating mode, control the condensation temperature of cold-producing medium (35~36) ± 0.5 DEG C, with to new wind heat temperature raising.
Dual temperature radiant heat pump-type room air conditioner the most according to claim 6, it is characterized in that, described fin-tube heat exchanger (18) lower section is provided with solidifying water pond (16), and it is outside that solidifying water pond (16) picks out induction type Fresh air handing device (7) by solidifying water comb (17).
Dual temperature radiant heat pump-type room air conditioner the most according to claim 1, it is characterized in that, described ejector (8) includes nozzle, injection mixing section and diffuser, under summer condition, go out the cold-producing medium of metal radiant panel (6) after nozzle blood pressure lowering is raised speed, injection goes out the cold-producing medium of induction type Fresh air handing device (5), diffusion after the two isobaric mixing, returns again to reciprocation cycle work in compressor (1);In the winter time under operating mode, by three-way valve (9), ejector (8) is cut off and make it not play a role.
CN201410062508.4A 2014-02-24 2014-02-24 A kind of dual temperature radiant heat pump-type room air conditioner processing new wind CN103900174B (en)

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