CN204494896U - A kind of room air conditioner with temperature-fixing dehumidifying function - Google Patents

A kind of room air conditioner with temperature-fixing dehumidifying function Download PDF

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Publication number
CN204494896U
CN204494896U CN201520099462.3U CN201520099462U CN204494896U CN 204494896 U CN204494896 U CN 204494896U CN 201520099462 U CN201520099462 U CN 201520099462U CN 204494896 U CN204494896 U CN 204494896U
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China
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heat exchanger
indoor heat
compressor
valve
capillary
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Expired - Fee Related
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CN201520099462.3U
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Chinese (zh)
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王倩
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Guangdong University of Petrochemical Technology
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Guangdong University of Petrochemical Technology
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Abstract

A kind of room air conditioner with temperature-fixing dehumidifying function, 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; 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 (12), heat capillary (9), 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 (16), the first magnetic valve (14), secondary indoor heat exchanger, the 3rd check valve (13), dehumidifying capillary (10), one-level indoor heat exchanger through outdoor heat exchanger, then returns compressor through cross valve and forms loop dehumidification.The utility model not only can at cooling in summer, winter heating, can also meet the processing demands in humid conditions to air themperature and temperature, realize temperature-fixing dehumidifying.

Description

A kind of room air conditioner with temperature-fixing dehumidifying function
Technical field
The utility model belongs to air-conditioner technical field, relates 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 utility model is for 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 adopted in the utility model 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.
The utility model reasonable in design, 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 utility model.
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 that the utility model provides, 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 utility model, 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 utility model 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 utility model is not limited to above-mentioned embodiment, and anyone can draw other forms of product under enlightenment of the present utility model.Though but any change is done in its shape or structure, every technical scheme identical or close with the utility model, 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).
CN201520099462.3U 2015-02-12 2015-02-12 A kind of room air conditioner with temperature-fixing dehumidifying function Expired - Fee Related CN204494896U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104596148A (en) * 2015-02-12 2015-05-06 广东石油化工学院 Room air conditioner with constant-temperature dehumidification function
CN108592439A (en) * 2018-04-09 2018-09-28 浙江欧伦电气有限公司 Multifunction constant temperature dehumidification system and constant temperature dehumidification control method
CN109869951A (en) * 2018-12-29 2019-06-11 青岛海尔股份有限公司 Refrigeration system, refrigerator and control method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104596148A (en) * 2015-02-12 2015-05-06 广东石油化工学院 Room air conditioner with constant-temperature dehumidification function
CN108592439A (en) * 2018-04-09 2018-09-28 浙江欧伦电气有限公司 Multifunction constant temperature dehumidification system and constant temperature dehumidification control method
CN109869951A (en) * 2018-12-29 2019-06-11 青岛海尔股份有限公司 Refrigeration system, refrigerator and control method

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150722

Termination date: 20160212

CF01 Termination of patent right due to non-payment of annual fee