CN104596148A - Room air conditioner with constant-temperature dehumidification function - Google Patents

Room air conditioner with constant-temperature dehumidification function Download PDF

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Publication number
CN104596148A
CN104596148A CN201510073014.0A CN201510073014A CN104596148A CN 104596148 A CN104596148 A CN 104596148A CN 201510073014 A CN201510073014 A CN 201510073014A CN 104596148 A CN104596148 A CN 104596148A
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CN
China
Prior art keywords
heat exchanger
indoor heat
valve
compressor
room air
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Pending
Application number
CN201510073014.0A
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Chinese (zh)
Inventor
王倩
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Guangdong University of Petrochemical Technology
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Guangdong University of Petrochemical Technology
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Application filed by Guangdong University of Petrochemical Technology filed Critical Guangdong University of Petrochemical Technology
Priority to CN201510073014.0A priority Critical patent/CN104596148A/en
Publication of CN104596148A publication Critical patent/CN104596148A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00Compression machines, plants or systems, with reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B29/00Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • F25B29/003Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/20Disposition of valves, e.g. of on-off valves or flow control valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/30Expansion means; Dispositions thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/027Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
    • F25B2313/02741Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve

Abstract

The invention discloses a room air conditioner with a constant-temperature dehumidification function. A refrigerant discharged by a compressor (1) passes through a four-way valve (7), an outdoor heat exchanger (2), a first one-way valve (11), a refrigeration capillary tube (8), a secondary indoor heat exchanger (4), a second electromagnetic valve (15) and a primary indoor heat exchanger (3), passes through the four-way valve and returns to the compressor to form a refrigeration loop; the refrigerant discharged by the compressor passes through the four-way valve, the primary indoor heat exchanger, the second electromagnetic valve, the secondary indoor heat exchanger, a second one-way valve (12), a heating capillary tube (9) and the outdoor heat exchanger, passes through the four-way valve and returns to the compressor to form a heating loop; the refrigerant discharged by the compressor passes through the outdoor heat exchanger, passes through the four-way valve, part of pipelines of the outdoor heat exchanger, a Y-shaped tee joint (16), a first electromagnetic valve (14), the secondary indoor heat exchanger, a third one-way valve (13), a dehumidification capillary tube (10) and the primary indoor heat exchanger, passes through the four-way valve and returns to the compressor to form a dehumidification loop. The room air conditioner not only can be used for refrigeration in summer and heating in winter but also can meet treatment demands on air temperature and humidity in a wet condition and realize constant-temperature dehumidification.

Description

A kind of room air conditioner with temperature-fixing dehumidifying function
Technical field
The invention belongs to air-conditioner technical field, relate generally to a kind of cold-warm type room air conditioner with temperature-fixing dehumidifying function.
Background technology
Expanding economy and growth in the living standard make the requirement of people to living space comfortableness more and more higher, and room air conditioner develops fast as regulating the home appliance of Indoor Thermal Environment to obtain.According to statistics, in China's urban household durable consumer goods, the air-conditioner quantity that every one hundred houses have has been only second to mobile phone and colour TV, is the household electrical appliances popularized very much.The purchase of different regions air-conditioner is not only relevant with economic condition, also and weather conditions have very large relation, purchase room air conditioner the most enthusiastically be the urban household of China's Xia Redong cold-peace hot summer and warm winter region.In these areas, not only there is the demand of cooling in summer and winter heating in residential architecture, at the end of spring and the beginning of summer also there is very large dehumidification, during as In Middle And Lower Reaches of Changjiang River plum rain season, air themperature is not high but humidity is very large, various bacterium very easily breeds, people easily suffers from the skin diseases such as eczema and rheumatism, architectural exterior-protecting construction, furniture, curtain fabric etc. go rotten, clothes cannot dry, and electrical equipment makes moist and cannot use, and moist sombre environment also can affect the mood of people, therefore, the air conditioning mode of temperature-fixing dehumidifying has very strong user demand in these areas.
Existing room air conditioner generally has dehumidification mode function choosing-item, but the method for operation of dehumidification mode is air-conditioning design temperature to be arranged by minimum, the low wind speed running of indoor fan, compressor intermittent duty, each producer is arranged at the start/stop time of compressor exists some differences.This dehumidification mode is in itself with refrigeration mode and indifference, all utilize cooling and dehumidifying principle, make the dew-point temperature of surface temperature lower than room air of indoor heat exchanger, steam in air condenses at heat exchanger surface, produce condensed water thus realize dehumidification function, when dehumidification mode runs, room air conditioner can intermittently blowing cold air, and this can make people feel under the weather under the weather conditions that temperature is not high.Because dehumidifying and refrigeration are coupled, the room air conditioner dehumidifying effect deficiency worked under certainly will causing this dehumidification mode of can not freezing constantly, practical effect is bad.Traditional rooms air-conditioner is thought only dehumidifying and is not freezed and can not realize.If should dehumidify to space air, do not make again room air temperature reduce, just must change the structure of room air conditioner.
Summary of the invention
The present invention is directed to the shortcoming of dehumidifying effect deficiency under existing air conditioner dehumidification mode, a kind of cold-warm type room air conditioner with temperature-fixing dehumidifying function is provided, not only can at cooling in summer, winter heating, the processing demands in humid conditions to air themperature and temperature can also be met, realize temperature-fixing dehumidifying.
For achieving the above object, the technical solution used in the present invention is:
A kind of room air conditioner with temperature-fixing dehumidifying function, the cold-producing medium that compressor is discharged through cross valve, outdoor heat exchanger, the first check valve, refrigerating capillary, secondary indoor heat exchanger, the second magnetic valve, one-level indoor heat exchanger, then returns compressor formation refrigerating circuit through cross valve; Compressor discharge cold-producing medium through cross valve, one-level indoor heat exchanger, the second magnetic valve, secondary indoor heat exchanger, the second check valve, heat capillary, outdoor heat exchanger, then through cross valve return compressor formed heat loop; The cold-producing medium that compressor is discharged through the part pipeline of cross valve, outdoor heat exchanger, Y-type three way type, the first magnetic valve, secondary indoor heat exchanger, the 3rd check valve, dehumidifying capillary, one-level indoor heat exchanger through outdoor heat exchanger, then returns compressor through cross valve and forms loop dehumidification.
In above-mentioned, heat capillary and the second check valve serial connection, they are connected in parallel between outdoor heat exchanger and secondary indoor heat exchanger by the first check valve and refrigerating capillary serial connection afterwards.
In above-mentioned, dehumidifying capillary and the 3rd check valve serial connection after again and the second magnetic valve be connected in parallel between one-level indoor heat exchanger and secondary indoor heat exchanger.
Indoor and outdoor heat exchanger is connected with compressor inlet or exhaust outlet by cross valve; Refrigerating capillary, heat capillary and dehumidifying capillary before all have check valve, ensure the flow direction of cold-producing medium under different operating mode; Indoor heat exchanger is divided into the front and back two parts be separated from each other, and indoor machine fan makes indoor air flow successively by one-level indoor heat exchanger and secondary indoor heat exchanger; A part, outdoor heat exchanger termination is provided with Y shape threeway, and one end is by magnetic valve access secondary indoor heat exchanger, and the other end is got back in outdoor heat exchanger, and the heat exchange area of outdoor heat exchanger can be divided into two parts by Y shape threeway; Be connected with two-way pipeline between one-level indoor heat exchanger and secondary indoor heat exchanger, magnetic valve is equipped with on a road, and dehumidifying capillary and check valve are equipped with in another road.This design makes when refrigeration mode, and two indoor heat exchangers can be together in series as evaporimeter use, to room cooling; During heating mode, two indoor heat exchangers can be together in series as condenser use, to rooms; When dehumidification mode, open the magnetic valve on the bypass line of Y-type three way type connection, compressor air-discharging enters secondary indoor heat exchanger after entering outdoor heat exchanger part heat exchange area release portion condensation heat again, secondary indoor heat exchanger also uses as condenser, and condensation liberated heat is used for heating up to process air.Cold-producing medium is after the condensation of secondary indoor heat exchanger, and enter one-level indoor heat exchanger through the step-down of dehumidifying capillary-compensated, one-level indoor heat exchanger uses as evaporimeter, because surface temperature is lower than air dew point temperature, can remove the steam in air.Like this, room air first through one-level indoor heat exchanger cooling and dehumidifying, then through wet heating such as secondary indoor heat exchangers, just can realize the air handling process of temperature-fixing dehumidifying.The heat exchange area of outdoor heat exchanger being divided into two parts is because outdoor heat exchanger designs according to the requirement of condenser during cooling in summer operating mode, the emission request of condensation heat dissipation capacity under satisfied refrigeration design conditions, therefore, outdoor heat exchanger area is relative to bigger than normal for wet cooling condition, dehumidifying season, outdoor temperature is lower, corresponding condensation temperature is also lower, condensation radiating condition is good, ensure that indoor condenser has enough heats to shed, just must the heat dissipation capacity of control room external condenser well, utilize Y-type three way type that outdoor heat exchanger is divided into two parts, the work area of dehumidifying outdoor heat exchanger in season can be controlled preferably by the position controlling Y-type three way type, and then the condensation heat dissipation capacity of control room external heat exchanger, under making dehumidification mode, the condensation heat dissipation capacity of secondary indoor heat exchanger meets the designing requirement of temperature-fixing dehumidifying.
Reasonable in design of the present invention, can make heating and air conditioner use as dehumidifier, and moisture removal is large, send the problem of cold wind, improve the function of air-conditioner, improve the utilization ratio of air-conditioner when can solve the dehumidifying of common air-conditioning device.
Accompanying drawing explanation
Fig. 1 is structure principle chart of the present invention.
Fig. 2 is the front view of outdoor heat exchanger.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the right view of Fig. 2.
detailed description of the invention:
With reference to Fig. 1, a kind of room air conditioner with temperature-fixing dehumidifying function provided by the invention, the cold-producing medium that compressor 1 is discharged through cross valve 7, outdoor heat exchanger 2, first check valve 11, refrigerating capillary 8, secondary indoor heat exchanger 4, second magnetic valve 15, one-level indoor heat exchanger 3, then returns compressor formation refrigerating circuit through cross valve 7; Compressor 1 discharge cold-producing medium through cross valve 7, one-level indoor heat exchanger 3, second magnetic valve 15, secondary indoor heat exchanger 4, second check valve 12, heat capillary 9, outdoor heat exchanger 2, then through cross valve 7 return compressor formed heat loop; The cold-producing medium that compressor is discharged through the part pipeline of cross valve 7, outdoor heat exchanger 2, Y-type three way type 16, first magnetic valve 14, secondary indoor heat exchanger 4, the 3rd check valve 13, dehumidifying capillary 10, one-level indoor heat exchanger 3 through outdoor heat exchanger 2, then returns compressor 1 through cross valve 7 and forms loop dehumidification.Wherein, heat capillary 9 and the second check valve 12 is connected in series, the first check valve 11 and refrigerating capillary 8 are connected in series, and they are connected in parallel between outdoor heat exchanger 2 and secondary indoor heat exchanger 4 afterwards; Dehumidifying capillary 10 and the 3rd check valve 13 serial connection after again and the second magnetic valve 15 be connected in parallel between one-level indoor heat exchanger 3 and secondary indoor heat exchanger 4.
Fig. 2 to Fig. 4 is the connection diagram of outdoor heat exchanger 2 pipe-connecting mode in the present invention, and the pipe-connecting mode of outdoor heat exchanger has a variety of, just for a kind of common pipe-connecting mode, the position relationship of Y-type three way type 16 in outdoor heat exchanger 2 is described here.
The present invention can be different according to indoor set pattern, can be designed to the various ways such as wall-hanging, cabinet-type.
When needing refrigeration summer, first magnetic valve 14 cuts out, second magnetic valve 15 is opened, the exhaust outlet of compressor 1 is connected with outdoor heat exchanger 2 through cross valve 7, compressor air-discharging enters outdoor heat exchanger 2, at Y-type three way type 16 place, cold-producing medium continues to flow into outdoor heat exchanger, under the effect of outdoor fan 5, outdoor air skims over outdoor heat exchanger surface, gaseous refrigerant and outdoor air carry out heat exchange, condensation heat is dispersed in outdoor air by gaseous refrigerant, liquid refrigerant is become after condensation, through the first check valve 11, refrigerating capillary 8 reducing pressure by regulating flow laggard enter indoor, flow through secondary indoor heat exchanger 4 successively, second magnetic valve 15 and one-level indoor heat exchanger 3, now, two indoor heat exchangers all use as evaporimeter.Under the effect of indoor fan 6, room air is freezed by one-level indoor heat exchanger 3 and secondary indoor heat exchanger 4 successively.Gasify after heat in refrigerant suction space air, gaseous refrigerant is connected with compressor suction through cross valve 7, is sucked by compressor, starts next cyclic process after compression.
When needing in the winter time to heat, cross valve commutates, cross valve 7 place exhaust outlet of compressor is connected with one-level indoor heat exchanger 3, compressor suction is connected with outdoor heat exchanger 2, first magnetic valve 14 cuts out, second magnetic valve 15 is opened, the exhaust of compressor 1 enters one-level indoor heat exchanger 3 through cross valve 7, one-level indoor heat exchanger 3 uses as condenser, cold-producing medium is in one-level indoor heat exchanger 3 after condensation heat release, continue to enter secondary indoor heat exchanger 4 by the second magnetic valve 15 and carry out condensation heat release, now secondary indoor heat exchanger 4 also uses as condenser, under the effect of indoor fan 6, room air skims over one-level indoor heat exchanger 3, secondary indoor heat exchanger 4 surface, gaseous refrigerant and room air carry out heat exchange, condensation heat is dispersed in room air by gaseous refrigerant, room air is heated, to room blowout hot blast, realize air-conditioning heating.Liquid refrigerant is become after condensation of refrigerant, through the second check valve 12, heat capillary 9 throttling laggard enter outdoor heat exchanger 2, now, outdoor heat exchanger 2 uses as evaporimeter, gasify after the heat of refrigerant suction outdoor air, gaseous refrigerant is sucked by compressor suction through cross valve 7, starts next cyclic process after compression.
When wet season needs to carry out temperature-fixing dehumidifying to room air, be switched to dehumidification mode, now the getting type of cross valve 7 is identical with refrigeration mode, compressor air-discharging is communicated with outdoor heat exchanger 2, compressor air suction is communicated with one-level indoor heat exchanger 3, first magnetic valve 14 is opened, second magnetic valve 15 cuts out, the exhaust of compressor 1 enters outdoor heat exchanger 2 through cross valve 7, condensation heat radiation is carried out at outdoor heat exchanger place, when the end that flow of refrigerant connects to Y-type three way type 16, because the first magnetic valve 14 is opened, cold-producing medium no longer enters in the second half section heat exchanger tube of outdoor heat exchanger 2, but flow in secondary indoor heat exchanger 4 by the first magnetic valve 14, now the function of secondary indoor heat exchanger 4 is condenser but not evaporimeter, cold-producing medium heats in secondary indoor heat exchanger place release condensation heat the room air flow through, the 3rd check valve 13 and dehumidifying capillary 10 is flowed into after condensation of refrigerant, one-level indoor heat exchanger 3 is entered after reducing pressure by regulating flow, dehumidification mode next stage indoor heat exchanger 3 is evaporimeter, because surface temperature is lower than air dew point temperature, produce a large amount of condensate water, the process of air dewetting is cooled simultaneously.Because indoor air-supply first enters secondary indoor heat exchanger 4 again through one-level indoor heat exchanger 3, therefore, room air is first through one-level indoor heat exchanger cooling and dehumidifying, secondary indoor heat exchanger absorption condensation heat is entered again after water capacity and temperature all reduce, water capacity is constant and temperature raises, by the area of appropriate design one-level indoor heat exchanger 3 and secondary indoor heat exchanger 4 and the position control of Y-type three way type except the condensation heat dissipation capacity of off-premises station under wet cooling condition, the function of temperature-fixing dehumidifying just can be realized.
Although indoor heat exchanger be divide into two parts by this air conditioner, and add magnetic valve etc. and control cost, initial cost is increased, but the moisture performance of air-conditioner under obviously improving wet condition, moisture removal is large and send the problem of cold wind when can solve the dehumidifying of common air-conditioning device, realize temperature-fixing dehumidifying function, not only widen the using function of room air conditioner, improve the annual utilization rate of air-conditioning, also can avoid because of the high humidity environment economic loss brought and the generation reducing disease, improve the indoor air quality of living environment, meet the requirement of human thermal comfort and improve the life housing condition of people.
The present invention is not limited to above-mentioned embodiment, and anyone can draw other forms of product under enlightenment of the present invention.Though but any change is done in its shape or structure, every technical scheme identical or close with the present invention, all within protection domain.

Claims (3)

1. one kind has the room air conditioner of temperature-fixing dehumidifying function, it is characterized in that, the cold-producing medium that compressor (1) is discharged through cross valve (7), outdoor heat exchanger (2), the first check valve (11), refrigerating capillary (8), secondary indoor heat exchanger (4), the second magnetic valve (15), one-level indoor heat exchanger (3), then returns compressor formation refrigerating circuit through cross valve (7); The cold-producing medium that compressor (1) is discharged through cross valve (7), one-level indoor heat exchanger (3), the second magnetic valve (15), secondary indoor heat exchanger (4), the second check valve (12), heat capillary (9), outdoor heat exchanger (2), then through cross valve (7) return compressor formed heat loop; The cold-producing medium that compressor is discharged through the part pipeline of cross valve (7), outdoor heat exchanger (2), Y-type three way type (16), the first magnetic valve (14), secondary indoor heat exchanger (4), the 3rd check valve (13), dehumidifying capillary (10), one-level indoor heat exchanger (3) through outdoor heat exchanger (2), then returns compressor (1) through cross valve (7) and forms loop dehumidification.
2. a kind of room air conditioner with temperature-fixing dehumidifying function according to claim 1, it is characterized in that, heat capillary (9) and the second check valve (12) serial connection, they are connected in parallel between outdoor heat exchanger (2) and secondary indoor heat exchanger (4) by the first check valve (11) and refrigerating capillary (8) serial connection afterwards.
3. a kind of room air conditioner with temperature-fixing dehumidifying function according to claim 1, it is characterized in that, dehumidifying capillary (10) and the 3rd check valve (13) be connected in series after again and the second magnetic valve (15) be connected in parallel between one-level indoor heat exchanger (3) and secondary indoor heat exchanger (4).
CN201510073014.0A 2015-02-12 2015-02-12 Room air conditioner with constant-temperature dehumidification function Pending CN104596148A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104848497A (en) * 2015-06-10 2015-08-19 广东志高暖通设备股份有限公司 Air conditioner
CN104949207A (en) * 2015-06-30 2015-09-30 广东美的暖通设备有限公司 Temperature-humidity double-control type air conditioner system and control method thereof
CN110898339A (en) * 2019-12-27 2020-03-24 陆秀权 Ultraviolet phototherapy equipment with humidifying function for dermatology department
CN111609589A (en) * 2020-04-24 2020-09-01 珠海格力电器股份有限公司 Double-temperature air conditioning system, control method and air conditioner
CN113432261A (en) * 2021-06-29 2021-09-24 海信(山东)空调有限公司 Refrigerant circulation system, method for controlling air conditioner to dehumidify and air conditioner

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104848497A (en) * 2015-06-10 2015-08-19 广东志高暖通设备股份有限公司 Air conditioner
CN104949207A (en) * 2015-06-30 2015-09-30 广东美的暖通设备有限公司 Temperature-humidity double-control type air conditioner system and control method thereof
CN110898339A (en) * 2019-12-27 2020-03-24 陆秀权 Ultraviolet phototherapy equipment with humidifying function for dermatology department
CN111609589A (en) * 2020-04-24 2020-09-01 珠海格力电器股份有限公司 Double-temperature air conditioning system, control method and air conditioner
CN113432261A (en) * 2021-06-29 2021-09-24 海信(山东)空调有限公司 Refrigerant circulation system, method for controlling air conditioner to dehumidify and air conditioner

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