CN103900174A - Dual-temperature radiation heat pump type room air conditioner capable of processing fresh air - Google Patents

Dual-temperature radiation heat pump type room air conditioner capable of processing fresh air Download PDF

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Publication number
CN103900174A
CN103900174A CN201410062508.4A CN201410062508A CN103900174A CN 103900174 A CN103900174 A CN 103900174A CN 201410062508 A CN201410062508 A CN 201410062508A CN 103900174 A CN103900174 A CN 103900174A
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valve
pipe
mouth
heat exchanger
new wind
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CN201410062508.4A
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CN103900174B (en
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赵蕾
赵锡锦
胡安都
王君
赵庆亮
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Xian University of Architecture and Technology
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Xian University of Architecture and Technology
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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

A dual-temperature radiation heat pump type room air conditioner capable of processing fresh air comprises an air compressor. The air compressor is connected with an outdoor heat exchanger through a four-way reversing valve, the outdoor heat exchanger is connected with a metal radiation plate and an induction-type fresh air processor which are connected in parallel, a valve combination is arranged on a connecting pipeline, and the metal radiation plate and the induction-type fresh air processor are connected with the four-way reversing valve and the outdoor heat exchanger through an ejector and a three-way valve backwards. The refrigerant flow path is changed through the four-way reversing valve, the three-way valve and the valve combination to enable the metal radiation plate and the induction-type fresh air processor to serve as a parallel evaporator in the summer working condition and to serve as a parallel condenser and provide the defrosting working condition in the winter working condition. The dual-temperature radiation heat pump type room air conditioner meets the cold source requirement for temperature and humidity independent control in the summer working condition of the single air compressor, the dual advantages of radiation and fresh air heat/cold supplying are adopted in the winter working condition and the summer working condition, the quality of indoor air can be improved, the thermal comfort can be improved, secondary heat exchanging losses can be avoided and the energy utilization rate can be increased.

Description

A kind of two temperature radiant heat pump type room air conditioners of processing new wind
Technical field
The invention belongs to field of heating ventilation air conditioning, particularly a kind of two temperature radiant heat pump type room air conditioners of processing new wind.
Background technology
Tradition air-conditioning summer cooling is general uses 7 DEG C or lower cold water as refrigerant, realizes the dehumidifying and cooling to air.Be generally lower than the low-temperature cold water of room air dew-point temperature and process room sensible heat, latent heat load, but this part energy of processing sensible heat load can take away by high temperature low-temperature receiver, therefore caused high-grade can waste; Winter, tradition air conditioning and heating operating mode, adopted the heating agent that temperature is higher, process chamber inner circulating air conventionally.Conventionally adopt convection type and air to carry out heat exchange, supply air temperature difference after treatment is often larger, easily causes human body comfort poor, and local cold-hot wind air-flow is excessive.Have that indoor air quality is not good, comfortableness is poor and room air in the winter problem such as too dry.
Existing air-conditioning system common summer with cold water, winter taking hot water as medium, by cold/hot water, the heat convection in pipe reduces/improves the temperature of radiating surface, radiating surface provides cold/heat in the mode of radiation, convection current to indoor again, maintains indoor thermal balance; In order to eliminate the remaining wet of Summer Indoor, just must adopt the lower cold water of temperature on the other hand, cause the evaporating temperature of kind of refrigeration cycle evaporimeter lower, COP is lower.And winter is higher in order to process the required hot water temperature of circulated air that air quantity is larger, can cause condensation temperature higher, COP is lower.Through cryogen and water heat exchange, there is secondary heat exchange loss, energy service efficiency is low.
For the problems referred to above, the control of humiture independence can well overcome these defects.Can improve well indoor comfort in conjunction with the measure such as radiant panel, dedicated outdoor air system, avoid second heat loss.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of two temperature radiant heat pump type room air conditioners of processing new wind, only need single compressor, under summer condition, cold-producing medium enters respectively metal radiant panel after by two heating power expansion valve throttlings and the new wind processor evaporation of induction type gasification meets the demand to low-temperature receiver, metal radiant panel carries out heat exchange to indoor with convection current, radiation mode, and the new wind processor of induction type carries out cool-down dehumidification to new wind in the mode of convection current; Under winter condition, indoor metal radiant panel, the new wind processor of induction type are the second heat loss problem that condenser has avoided radiation air-conditioner to utilize water to cause as cold and hot matchmaker, system directly utilizes metal radiant panel, the new wind processor of induction type as condenser, indoor environment is regulated, can adopt lower condensation temperature, the coefficient of performance of system is improved; In conjunction with independent new wind processing, improve traditional air conditioning chamber internal control poor quality processed, the not good enough problem of the excessive comfortableness causing of supply air temperature difference.
To achieve these goals, the technical solution used in the present invention is:
A kind of two temperature radiant heat pump type room air conditioners of processing new wind, comprise compressor 1, compressor 1 is by four-way change-over valve 2 junction chamber external heat exchangers 3, outdoor heat exchanger 3 connects metal radiant panel in parallel 6 and the new wind processor 7 of induction type and valve combination is set on connecting line, the new wind processor 7 of metal radiant panel 6 and induction type connects the rear tieback compressor 1 of gas-liquid separator 10 by injector 8 and triple valve 9, by four-way change-over valve 2 and triple valve 9 and valve combination change flow of refrigerant route, make the new wind processor 7 of metal radiant panel 6 and induction type is parallel evaporator under summer condition, it under winter condition, is parallel condensing device.
Between triple valve 9 mouth of pipe e and the outlet of outdoor heat exchanger 3, bypass line is set and on pipeline, is provided with magnetic 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 is by heating power expansion valve two 4b and check valve two 5b connection metal radiant panels 6, be connected the new wind processor 7 of induction type with check valve four 5d by heating power expansion valve four 4d, metal radiant panel 6 and the new wind processor 7 of induction type are connected respectively two entrances of injector 8, the mouth of pipe f of the outlet connecting tee valve 9 of injector 8, the mouth of pipe e of triple 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 tiebacks to compressor 1, magnetic valve 11 cuts out, wherein, entrance and the outdoor heat exchanger 3 of heating power expansion valve two 4b join, and the entrance of the outlet of heating power expansion valve two 4b and check valve two 5b joins, and outlet and the metal radiant panel 6 of check valve two 5b join.Entrance and the outdoor heat exchanger 3 of heating power expansion valve four 4d join, and the entrance of the outlet of heating power expansion valve four 4d and check valve four 5d joins, and the new wind processor 7 of the outlet of check valve four 5d and induction type joins.
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 triple valve 9 connects metal radiant panel in parallel 6 and the new wind processor 7 of induction type, metal radiant panel 6 is connected with outdoor heat exchanger 3 with check valve one 5a by heating power expansion valve one 4a, the new wind processor of induction type is connected with outdoor heat exchanger 3 with check valve three 5c by heating power expansion valve three 4c, 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 tiebacks to compressor 1, the mouth of pipe f of triple valve 9 turn-offs, injector 8 does not play a role, magnetic valve 11 cuts out.Wherein, entrance and the metal radiant panel 6 of heating power expansion valve one 4a join, and the entrance of the outlet of heating power expansion valve one 4a and check valve one 5a joins, and outlet and the outdoor heat exchanger 3 of check valve one 5a join.The new wind processor 7 of the entrance of heating power expansion valve three 4c and induction type joins, and the entrance of the outlet of heating power expansion valve three 4c and check valve three 5c joins, and outlet and the outdoor heat exchanger 3 of check valve three 5c join.
Described magnetic valve 11 is only opened in the time of 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, magnetic valve 11 is opened, the pipeline being connected between triple valve 9 mouth of pipe e and outdoor heat exchanger 3 is communicated 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 compressors 1 of gas-liquid separator.
Under described summer condition, the mouth of pipe a of four-way change-over valve 2 and mouth of pipe b are in valve internal communication, mouth of pipe c and mouth of pipe d are in valve internal communication, thereby the outlet of compressor 1 is communicated with the entrance of outdoor heat exchanger 3, the mouth of pipe e of triple valve 9 is communicated with the entrance of gas-liquid separator 10, outlet tieback compressor 1 entrance of gas-liquid separator 10, and the outlet of injector 8 is communicated with the mouth of pipe f of triple valve 9, the f-e passage of triple valve 9 is opened, g pathway closure;
Under described winter condition, the mouth of pipe a of four-way change-over valve 2 and mouth of pipe d are in valve internal communication, mouth of pipe b and mouth of pipe c are in valve internal communication, thereby the outlet of compressor 1 is communicated with the mouth of pipe e of triple valve 9, outdoor heat exchanger 3 outlets are communicated with the entrance of gas-liquid separator 10, take back the entrance of compressor 1 through the outlet of gas-liquid separator 10, and the e-g passage of triple valve 9 is opened, f pathway closure, injector 8 does not play a role.
Described metal radiant panel 6 is the metallic plate of top with thin metal pipe, be installed on the interior 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 evaporimeter, cold-producing medium evaporates boiling therein, the function regulating by metal radiant panel 6 and convection current and the radiation effects performance room temperature of room air and wall thereof, the evaporating temperature of controlling metal radiant panel inner refrigerant is 15-16 ± 0.5 DEG C, make the temperature on radiant panel surface in 18 DEG C~20 DEG C, be that the surface temperature of radiant panel is higher than the dew-point temperature of room conditioning design parameter, under operating mode, metal radiant panel 6 is condenser in the winter time, and cold-producing medium condensation temperature is therein 35-36 ± 0.5 DEG C, maintains metal sheet surface temperature be in 30 DEG C~32 DEG C by heat transmission, meets radiant heating design specification for human body comfort requirement.
The new wind processor 7 of described induction type is with horizontal or vertical being installed in room 12, fresh wind port 13 is set on it, in fresh wind port 13, be provided for the fan 19 that new wind pressurization is imported, inside arranges fin-tube heat exchanger 18 and for by the nozzle 20 of return air in new wind ejection induction room 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 in induction room, return air is sprayed by nozzle 20; Under operating mode, fin-tube heat exchanger 18 is condenser in the winter time, and new wind is by its heat temperature raising, and in induction room, return air is sprayed by nozzle 20.
Flow media in fin-tube heat exchanger 18 is cold-producing medium R22, and under summer condition, controlling the evaporating temperature of 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 in 35-36 ± 0.5 DEG C, with to new wind heat temperature raising.
Described fin-tube heat exchanger 18 belows are provided with solidifying water pond 16, and solidifying water pond 16 picks out the new wind processor of induction type 7 outsides by solidifying water comb 17.
Described injector 8 comprises nozzle, injection mixing section and diffuser, under summer condition, go out the cold-producing medium of metal radiant panel 6 after nozzle step-down speed-raising, injection goes out the cold-producing medium of the new wind processor 5 of induction type, diffusion after the two isobaric mixing, then return to reciprocation cycle work in compressor 1; Under operating mode, by triple valve 9, injector 8 is cut off it is not played a role in the winter time.
Compared with prior art, the invention has the beneficial effects as follows:
1) adopt metal radiant panel and independent new wind shared indoor load, had better comfortableness and indoor air quality than traditional air-conditioning.
2) in the metal radiant panel of unit, the new wind processor of induction type, flow media is cold-producing medium, has avoided the second heat loss problem of cryogen and water heat transfer process.
3) adopt single compressor, meet building effect for the cooling/heating of indoor environment simultaneously.
4) adopt the new wind processor of induction type can reduce supply air temperature difference, new wind is first through fin-tube heat exchanger processing, then after mixing with indoor return air, sends into indoor, supply air temperature difference reduces, the blowing feeling of air-supply weakens, and noise reduces, and indoor comfort improves than the comfortableness in traditional air conditioning chamber; The air quantity of the new wind processor of induction type processing reduces, and can reduce the heat exchange area of the new wind processor of induction type, further reduces its volume.
5) system adopts single compressor, under summer condition, after two heating power expansion valves, obtains different evaporating pressures, is respectively different evaporating temperatures in radiant panel, fin-tube heat exchanger, meets the low-temperature receiver requirement that room humiture is independently controlled; In radiant panel, evaporating temperature improves, and is conducive to the 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 lower condensing pressure, and process air, and after heating power expansion valve throttling, passing into outdoor heat exchanger afterwards, condensation temperature reduction is conducive to improve systematic energy efficiency ratio.The load that in two temperature radiation air-conditioner devices, radiant panel is born is more, and energy saving is higher.
6) system in the winter time operating mode can by opens solenoid valve meet defrosting requirement.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of the new wind processor of induction type of the present invention.
Detailed description of the invention
Describe embodiments of the present invention in detail below in conjunction with drawings and Examples.
As shown in Figure 1, a kind of two temperature radiant heat pump type room air conditioners of processing new wind of the present invention, comprise 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 connection metal radiant panels 6 and the new wind processor 7 of induction type also arrange valve combination on connecting line, metal radiant panel 6 and the new wind processor 7 of induction type are connected respectively two entrances of injector 8, the mouth of pipe f of the outlet connecting tee valve 9 of injector 8, the mouth of pipe e of triple valve 9 connects the mouth of pipe d of four-way change-over valve 2 and the outlet of outdoor heat exchanger 3, the mouth of pipe c of four-way change-over valve 2 passes through gas-liquid separator 10 tiebacks to compressor 1.
Wherein, valve combination is:
On the connecting line of outdoor heat exchanger 3 and metal radiant panel 6, be provided with the valve combination being formed by 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;
On the connecting line of outdoor heat exchanger 3 and the new wind processor 7 of induction type, be provided with the valve combination being formed by 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 the new wind processor 7 of induction type; The new wind processor 7 of induction type 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, the new wind processor 7 of induction type is with horizontal or vertical being installed in room 12, fresh wind port 13 is set on it, in fresh wind port 13, be provided for the fan 19 that new wind pressurization is imported, inside arranges fin-tube heat exchanger 18 and for by the nozzle 20 of return air in new wind ejection induction room 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 the new wind processor of induction type by fresh wind port 13, and new wind was depressed in adding of fan 19, moved downward from fresh wind port 13.
Under summer condition, fin-tube heat exchanger 18 is cryogenic vaporizer, and the evaporating temperature of controlling cold-producing medium is 5 ± 0.5 DEG C, and new wind is by its cool-down dehumidification, and in induction room, return air is sprayed by nozzle 20; Under operating mode, fin-tube heat exchanger 18 is condenser in the winter time, controls the condensation temperature of cold-producing medium in 35-36 ± 0.5 DEG C, and new wind is by its heat temperature raising, and in induction room, return air is sprayed by nozzle 20.
Airflow passes fin-tube heat exchanger 18 carries out heat exchange, and in fin-tube heat exchanger 18 pipes, flow media is cold-producing medium, and it is processed outdoor new wind; New wind after treatment, under the effect of nozzle 20, send into indoor, when in the too high situation that can not meet human comfort of supply air temperature difference, can induction room in return air through return air inlet 14 after newly wind mixes, reach after suitable wind pushing temperature, send into indoor from air outlet 15.
Fin-tube heat exchanger 18 belows are provided with solidifying water pond 16, and solidifying water pond 16 picks out the new wind processor of induction type 7 outsides by solidifying water comb 17, thereby condensed water is discharged.
The present invention changes flow of refrigerant route by four-way change-over valve 2 and triple valve 9 and valve combination, and to make metal radiant panel 6 and the new wind processor 7 of induction type be parallel evaporator under summer condition, is parallel condensing device under winter condition.
Concrete workflow and principle are:
Under summer condition, compressor 1 is to cold-producing medium acting, 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 are connected with outdoor heat exchange machine 3, and cold-producing medium flows to mouth of pipe b from mouth of pipe a and enters into outdoor heat exchange machine 3 again in four-way change-over valve 2; Cold-producing medium heat release in outdoor heat exchanger 3 is condensed; Outdoor heat exchanger 3 exports respectively and is connected in parallel with heating power expansion valve two 4b and heating power expansion valve four 4d entrances, 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 outlets are connected with check valve two 5b entrances; Check valve two 5b outlets are connected with metal radiant panel 6 entrances, medium temperature and medium pressure cold-producing medium gasifies in metal radiant panel, flow of refrigerant is avoided the secondary heat exchange loss that adopts water to produce as medium in metal radiant panel 6, can improve the evaporating temperature in metal radiant panel 6.Metal radiant panel 6 exits are provided with the temperature-sensing element of heating power expansion valve two 4b on the other hand, the aperture of temperature-sensing element control heating power expansion valve two 4b, thereby control the dew-point temperature of radiant panel surface temperature higher than room conditioning design parameter, avoid radiant panel surface sweating.Heating power expansion valve four 4d outlets are connected with check valve four 5d entrances, and cold-producing medium is reducing pressure by regulating flow in heating power expansion valve four 4d; Check valve four 5d outlets are connected with new wind processor 7 entrances of induction type, low-temperature low-pressure refrigerant gasifies to outdoor new wind cool-down dehumidification in fin-tube heat exchanger 18, after mixing with indoor return air, send into room, be provided with temperature-sensing element at the new wind processor of induction type 7 refrigerant outlet places on the other hand, the aperture of temperature-sensing element control heating power expansion valve four 4d, thus the evaporating temperature of controlling heat exchanger in induction type new wind processor 7 can reach the object of the cool-down dehumidification to new wind.Metal radiant panel 6 exports, the new wind processor 7 of induction type exports respectively and is connected with two entrances of injector 8, the cold-producing medium that goes out the new wind processor 7 of induction type of the cold-producing medium that goes out metal radiant panel 6 of middle temperature rear injection low temperature of step-down speed-raising in injector 8, the two mixes afterwards and diffusion, flows out from injector 8; Injector 8 outlets are connected with the mouth of pipe f of triple valve 9, and now triple valve 9 is opened e-f passage, g pathway closure; The mouth of pipe e of triple valve 9 is connected with the mouth of pipe d of four-way change-over valve 2, and cold-producing medium flows 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 entrances; Gas-liquid separator 10 outlets are connected with compressor 1 entrance.
Under operating mode, compressor 1 is to cold-producing medium acting in the winter time, 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 are connected with triple valve 9 mouth of pipe e, and now triple valve 9 is opened e-g passage, f pathway closure, and injector 8 is cut off, and injector is not worked; Triple valve 9 mouth of pipe g are connected in parallel with metal radiant panel 6, new wind processor 7 entrances of induction type respectively, metal radiant panel 6 outlets are connected with heating power expansion valve one 4a entrance, flow of refrigerant is avoided the second heat loss that adopts water to produce as medium 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 entrances, and outdoor heat exchanger 3 is evaporimeter.Metal radiant panel 6 exits are provided with the temperature-sensing element of heating power expansion valve one 4a, the aperture of temperature-sensing element control heating power expansion valve one 4a, thereby controlling cold-producing medium condensation temperature is therein 35-36 ± 0.5 DEG C, maintain metal sheet surface temperature by heat transmission and be in 30 DEG C~32 DEG C, meet radiant heating design specification for human body comfort requirement.New wind processor 7 outlets of induction type are connected with heating power expansion valve three 4c entrances, and flow of refrigerant, in finned heat exchanger 18, is avoided the second heat loss that adopts water to produce as medium; Heating power expansion valve three 4c outlets are connected with check valve three 5c entrances; Check valve three 5c outlets are connected with outdoor heat exchanger 3 entrances, and outdoor heat exchanger 3 is evaporimeter; At the new wind processor of induction type, 7 refrigerant outlet places are provided with temperature-sensing element, the aperture of temperature-sensing element control heating power expansion valve three 4c, thus the condensation temperature of controlling cold-producing medium in induction type new wind processor 7 heat exchangers is in 35-36 ± 0.5 DEG C, with to new wind heat temperature raising; Flow through after heating up nozzle induce room air to enter new wind processor from return air inlet of new wind, mixes with new wind after treatment, then sends into indoor from air outlet.Outdoor heat exchanger 3 outlets are 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 are connected with gas-liquid separator 10 entrances; Gas-liquid separator 10 outlets are connected with compressor 1 entrance.In the winter time under operating mode, the new wind processor 7 of metal radiant panel 6 and induction type is condenser, cold-producing medium condensation temperature is therein 35-36 ± 0.5 DEG C, maintains metal sheet surface temperature be in 30 DEG C~32 DEG C by heat transmission, meets radiant heating design specification for human body comfort requirement.
It is operating mode defrosting operation principle in the winter time, 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 four-way change-over valve 2 mouth of pipe a; Four-way change-over valve 2 mouth of pipe d are connected with magnetic valve 11 entrances; Magnetic valve 11 outlets are connected with outdoor heat exchanger 3 entrances; Outdoor heat exchanger 3 outlets are 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 are connected with gas-liquid separator 10 entrances; Gas-liquid separator 10 outlets are 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 in conjunction with the new wind of radiant panel/independence, wherein adopts cryogen formula radiant panel directly to indoor processing, has avoided secondary heat exchange loss, has improved energy utilization rate.In the winter time with summer condition under, change mutually the gateway of outdoor heat exchanger 3 parts such as grade.
In the above-described embodiments, the canonical process of invention is described, those skilled in the art can carry out various improvement and distortion on the basis of above-mentioned principle, and these changes and distortion drop in protection scope of the present invention.

Claims (9)

1. can process two temperature radiant heat pump type room air conditioners of new wind for one kind, comprise compressor (1), it is characterized in that, compressor (1) is by four-way change-over valve (2) junction chamber external heat exchanger (3), outdoor heat exchanger (3) connects metal radiant panel in parallel (6) and the new wind processor of induction type (7) and valve combination is set on connecting line, the new wind processor of metal radiant panel (6) and induction type (7) connects the rear tieback compressor (1) of gas-liquid separator (10) by injector (8) and triple valve (9), by four-way change-over valve (2) and triple valve (9) and valve combination change flow of refrigerant route, make the new wind processor of metal radiant panel (6) and induction type (7) is parallel evaporator under summer condition, it under winter condition, is parallel condensing device.
2. two warm radiant heat pump type room air conditioners according to claim 1, is characterized in that,
Between triple valve (9) mouth of pipe e and the outlet of outdoor heat exchanger (3), bypass line is set and on pipeline, is provided with magnetic 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) is by heating power expansion valve two (4b) and check valve two (5b) connection metal radiant panel (6), be connected the new wind processor of induction type (7) by heating power expansion valve four (4d) with check valve four (5d), metal radiant panel (6) and the new wind processor of induction type (7) are connected respectively two entrances of injector (8), the mouth of pipe f of the outlet connecting tee valve (9) of injector (8), the mouth of pipe e of triple 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), magnetic valve (11) cuts out,
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 triple valve (9) connects metal radiant panel in parallel (6) and the new wind processor of induction type (7), metal radiant panel (6) is connected with outdoor heat exchanger (3) with check valve one (5a) by heating power expansion valve one (4a), the new wind processor of induction type is connected with outdoor heat exchanger (3) with check valve three (5c) by heating power expansion valve three (4c), 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 triple valve (9) turn-offs, injector (8) does not play a role, magnetic valve (11) cuts out.
3. two warm radiant heat pump type room air conditioners according to claim 2, is characterized in that,
Under described summer condition, the mouth of pipe a of four-way change-over valve (2) and mouth of pipe b are in valve internal communication, mouth of pipe c and mouth of pipe d are in valve internal communication, thereby the outlet of compressor (1) is communicated with the entrance of outdoor heat exchanger (3), the mouth of pipe e of triple valve (9) is communicated with the entrance of gas-liquid separator (10), outlet tieback compressor (1) entrance of gas-liquid separator (10), and the outlet of injector (8) is communicated with the mouth of pipe f of triple valve (9), the f-e passage of triple valve (9) is opened, g pathway closure;
Under described winter condition, the mouth of pipe a of four-way change-over valve (2) and mouth of pipe d are in valve internal communication, mouth of pipe b and mouth of pipe c are in valve internal communication, thereby the outlet of compressor (1) is communicated with the mouth of pipe e of triple valve (9), outdoor heat exchanger (3) outlet is communicated with the entrance of gas-liquid separator (10), takes back the entrance of compressor (1) through the outlet of gas-liquid separator (10), and the e-g passage of triple valve (9) is opened, f pathway closure, injector (8) does not play a role.
4. two warm radiant heat pump type room air conditioners according to claim 2, it is characterized in that, described magnetic valve (11) is only opened in the time of 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), magnetic valve (11) is opened, the pipeline being connected between triple valve (9) mouth of pipe e and outdoor heat exchanger (3) is communicated 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 (10) the tieback compressor (1) of gas-liquid separator.
5. two warm radiant heat pump type room air conditioners according to claim 1, it is characterized in that, described metal radiant panel (6) is the metallic plate of top with thin metal pipe, be installed on the interior 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 evaporimeter, cold-producing medium evaporates boiling therein, the function regulating by metal radiant panel (6) and convection current and the radiation effects performance room temperature of room air and wall thereof, the evaporating temperature of controlling metal radiant panel inner refrigerant is (15-16) ± 0.5 DEG C, make the temperature on radiant panel surface in 18 DEG C~20 DEG C, be that 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 is therein (35-36) ± 0.5 DEG C, maintains metal sheet surface temperature be in 30 DEG C~32 DEG C by heat transmission, meets radiant heating design specification for human body comfort requirement.
6. two warm radiant heat pump type room air conditioners according to claim 1, it is characterized in that, the new wind processor of described induction type (7) is with horizontal or vertical being installed in room (12), fresh wind port (13) is set on it, in fresh wind port (13), be provided for the fan (19) that new wind pressurization is imported, inside arranges fin-tube heat exchanger (18) and for by the nozzle (20) of return air in new wind ejection induction room after processing, wherein new wind is from air outlet (15) ejection, 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 in induction room, return air is sprayed by nozzle (20); Under operating mode, fin-tube heat exchanger (18) is condenser in the winter time, and new wind is by its heat temperature raising, and in induction room, return air is sprayed by nozzle (20).
7. two warm radiant heat pump type room air conditioners 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, controlling the evaporating temperature of 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 in (35-36) ± 0.5 DEG C, with to new wind heat temperature raising.
8. two warm radiant heat pump type room air conditioners according to claim 6, it is characterized in that, described fin-tube heat exchanger (18) below is provided with solidifying water pond (16), and solidifying water pond (16) picks out the new wind processor of induction type (7) outside by solidifying water comb (17).
9. two warm radiant heat pump type room air conditioners according to claim 1, it is characterized in that, described injector (8) comprises nozzle, injection mixing section and diffuser, under summer condition, go out the cold-producing medium of metal radiant panel (6) after nozzle step-down speed-raising, injection goes out the cold-producing medium of the new wind processor of induction type (5), diffusion after the two isobaric mixing, then return to reciprocation cycle work in compressor (1); Under operating mode, by triple valve (9), injector (8) is cut off it is not played a role in the winter time.
CN201410062508.4A 2014-02-24 2014-02-24 A kind of dual temperature radiant heat pump-type room air conditioner processing new wind Expired - Fee Related CN103900174B (en)

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