CN105402937A - Air-conditioning system - Google Patents

Air-conditioning system Download PDF

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Publication number
CN105402937A
CN105402937A CN201510981519.7A CN201510981519A CN105402937A CN 105402937 A CN105402937 A CN 105402937A CN 201510981519 A CN201510981519 A CN 201510981519A CN 105402937 A CN105402937 A CN 105402937A
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CN
China
Prior art keywords
heat exchanger
indoor heat
compressor
air
conditioning system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510981519.7A
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Chinese (zh)
Other versions
CN105402937B (en
Inventor
李四祥
滕贺明
陈艺帆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Chigo Heating and Ventilation Equipment Co Ltd
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Guangdong Chigo Heating and Ventilation Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Guangdong Chigo Heating and Ventilation Equipment Co Ltd filed Critical Guangdong Chigo Heating and Ventilation Equipment Co Ltd
Priority to CN201510981519.7A priority Critical patent/CN105402937B/en
Publication of CN105402937A publication Critical patent/CN105402937A/en
Application granted granted Critical
Publication of CN105402937B publication Critical patent/CN105402937B/en
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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
    • 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

Abstract

The invention discloses an air-conditioning system to solve the problems that the conventional air conditioner allows the indoor temperature to drop in a low-temperature and high-humidity rainy season and the comfort level of an indoor environment is affected. The air-conditioning system comprises a compressor, a four-way valve, an outdoor heat exchanger, a first indoor heat exchanger, a second indoor heat exchanger and a dehumidification solenoid valve, wherein the compressor is connected with the outdoor heat exchanger through the four-way valve; the outdoor heat exchanger is connected with the first indoor heat exchanger and the second indoor heat exchanger sequentially; the second indoor heat exchanger is connected with the compressor through the four-way valve; and the dehumidification solenoid valve is connected with the outdoor heat exchanger in parallel.

Description

A kind of air-conditioning system
Technical field
The present invention relates to field of air conditioning, particularly relate to a kind of air-conditioning system.
Background technology
Air-conditioning can regulate the air of building environment, makes the indoor environments such as family, office, factory building be more suitable for people's life and office, has become a requisite part in people's life.There is the area of plum rain season in part, people also can dehumidify by using air-condition, to keep the dry and comfortable clean of environment.
But existing air-conditioning with cold gas when dehumidifying, makes indoor temperature decline further, affects the comfort level of indoor environment under the plum rain season environment of low temperature and high relative humidity.
Summary of the invention
Embodiments provide a kind of air-conditioning system, existing air-conditioning can be solved and under the plum rain season environment of low temperature and high relative humidity, indoor temperature is declined further, affect the problem of the comfort level of indoor environment.
A kind of air-conditioning system that the embodiment of the present invention provides, comprising: compressor, cross valve, outdoor heat exchanger, the first indoor heat exchanger, the second indoor heat exchanger and dehumidifying magnetic valve;
Described compressor is connected with described outdoor heat exchanger by cross valve, and described outdoor heat exchanger is connected with described first indoor heat exchanger, the second indoor heat exchanger successively, and described second indoor heat exchanger is connected with described compressor by described cross valve;
Described dehumidifying magnetic valve and described outdoor heat exchanger are installed in parallel.
Alternatively, the connecting pipe between described first indoor heat exchanger and the second indoor heat exchanger is also provided with first throttle valve.
Alternatively, described first throttle valve is electric expansion valve.
Alternatively, the interface channel between described outdoor heat exchanger and described first indoor heat exchanger is also provided with second throttle;
Described second throttle is arranged on the pipeline in parallel with described dehumidifying magnetic valve place lateral.
Alternatively, described second throttle is electric expansion valve.
Alternatively, described air-conditioning system also comprises hydrojet magnetic valve and plate type heat exchanger;
One end of described plate type heat exchanger is connected with described compressor, and the other end is connected with described hydrojet magnetic valve;
One end of described hydrojet magnetic valve is connected with described plate type heat exchanger, and the other end is connected with described first indoor heat exchanger.
Alternatively, when heating, cold-producing medium flows to described second indoor heat exchanger via described cross valve from compressor, then turns back in described compressor after described first indoor heat exchanger, hydrojet magnetic valve and plate type heat exchanger successively.
Alternatively, during dehumidifying, cold-producing medium flows on the lateral of described dehumidifying magnetic valve place via described cross valve from compressor, then turns back in described compressor after described first indoor heat exchanger and the second indoor heat exchanger.
Alternatively, during refrigeration, cold-producing medium flows to described outdoor heat exchanger via described cross valve from compressor, then turns back in described compressor after described first indoor heat exchanger and the second indoor heat exchanger successively.
Alternatively, described outdoor heat exchanger is provided with the blower fan of rotation rate-controllable.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
In the embodiment of the present invention, a kind of air-conditioning system, comprising: compressor, cross valve, outdoor heat exchanger, the first indoor heat exchanger, the second indoor heat exchanger and dehumidifying magnetic valve; Described compressor is connected with described outdoor heat exchanger by cross valve, and described outdoor heat exchanger is connected with described first indoor heat exchanger, the second indoor heat exchanger successively, and described second indoor heat exchanger is connected with described compressor by described cross valve; Described dehumidifying magnetic valve and described outdoor heat exchanger are installed in parallel.In embodiments of the present invention, when dehumidifying, according to change switching chamber external heat exchanger and the dehumidifying magnetic valve of indoor temperature, the heat exhaust of dynamic conditioning first indoor heat exchanger and the second indoor heat exchanger and row's cold, thus indoor temperature is constant when realizing dehumidifying, avoid the situation that indoor temperature declines further under the plum rain season environment of low temperature and high relative humidity, improve the comfort level of indoor environment.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of air-conditioning system in the embodiment of the present invention.
Detailed description of the invention
Embodiments provide a kind of air-conditioning system, under the plum rain season environment of low temperature and high relative humidity, indoor temperature being declined for solving existing air-conditioning further, affecting the problem of the comfort level of indoor environment.
For making goal of the invention of the present invention, feature, advantage can be more obvious and understandable, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, the embodiments described below are only the present invention's part embodiments, and the embodiment of not all.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, a kind of air-conditioning system in the embodiment of the present invention, comprising: compressor 1, cross valve 2, outdoor heat exchanger 3, first indoor heat exchanger 5, second indoor heat exchanger 7 and dehumidifying magnetic valve 10;
This compressor 1 is connected with this outdoor heat exchanger 3 by cross valve 2, and this outdoor heat exchanger 3 is connected with this first indoor heat exchanger 5, second indoor heat exchanger 7 successively, and this second indoor heat exchanger 7 is connected with this compressor 1 by this cross valve 2;
This dehumidifying magnetic valve 10 is installed in parallel with this outdoor heat exchanger 3, and one end is connected with this cross valve 2, and the other end is connected with this first indoor heat exchanger 5.
Preferably, the connecting pipe between this first indoor heat exchanger 5 and second indoor heat exchanger 7 is also provided with first throttle valve 6, and this first throttle valve 6 is preferably electric expansion valve, can give the cold-producing medium expenditure and pressure of process.
Preferably, the interface channel between this outdoor heat exchanger 3 and this first indoor heat exchanger 5 is also provided with second throttle 4, this second throttle 4 is arranged on the pipeline in parallel with this dehumidifying magnetic valve 10 place lateral.Especially, this second throttle 4 can be electric expansion valve, and electric expansion valve has function admirable, is convenient to the feature controlled.
Preferably, described air-conditioning system also comprises hydrojet magnetic valve and plate type heat exchanger, as shown in Figure 1, one end of described plate type heat exchanger is connected with described compressor, the other end is connected with described hydrojet magnetic valve, one end of described hydrojet magnetic valve is connected with described plate type heat exchanger, and the other end is connected with described first indoor heat exchanger.
Preferably, this outdoor heat exchanger 3 is provided with the blower fan of rotation rate-controllable.
In the present embodiment, the operation principle of this air-conditioning system is as follows:
During refrigeration: cold-producing medium is compressed into the gas of HTHP by compressor 1, after cross valve 2, arrive outdoor heat exchanger 3 and cool (now, dehumidifying magnetic valve 10 cuts out), become the gas-liquid mixture of high normal pressure and temperature.Then, this gas-liquid mixture is by becoming the gas-liquid mixture of low-temp low-pressure after second throttle 4, again by the first indoor heat exchanger 5, first throttle valve 6 and the second indoor heat exchanger 7 (now, first throttle valve 6 standard-sized sheet, hydrojet magnetic valve 8 cuts out) heat exchange evaporation become overheated gas, be back to compressor 1 from cross valve 2, form kind of refrigeration cycle.
When heating: cold-producing medium is compressed into the gas of HTHP by compressor 1, after cross valve 2, arrive the second indoor heat exchanger 7, first throttle valve 6 and the first indoor heat exchanger 5 successively (now, first throttle valve 6 standard-sized sheet, hydrojet magnetic valve 8 cuts out) heat exchange cooling, become the gas-liquid mixture of high normal pressure and temperature, again by becoming the gas-liquid mixture of low-temp low-pressure after second throttle 4, to return compressor 1 (now from cross valve 2 after becoming overheated gas by outdoor heat exchanger 3 evaporation again, dehumidifying magnetic valve 10 cuts out), formed and heat circulation.
Especially, during low-temperature heating: when external environment temperature is lower, the heat exchange amount of outdoor heat exchanger 3 is few, easily causes return-air amount few.Therefore open plate type heat exchanger 9 and hydrojet magnetic valve 8, close dehumidifying magnetic valve 10 and second throttle 4.Cold-producing medium is compressed into the gas of HTHP by compressor 1, after cross valve 2, arrive the second indoor heat exchanger 7, first throttle valve 6 and the first indoor heat exchanger 5 heat exchange cooling successively, become the gas-liquid mixture of high normal pressure and temperature, again by becoming overheated gas after hydrojet magnetic valve 8 and plate type heat exchanger 9, finally return in compressor 1, form low temperature spray liquid enthalpy gain systemic circulation, effectively improve the heating capacity under low temperature environment.
During dehumidifying: when indoor temperature is less than design temperature, dehumidifying magnetic valve 10 is opened, cold-producing medium is compressed into the gas of HTHP by compressor 1, after cross valve 2, arrive dehumidifying magnetic valve 10 (now, hydrojet magnetic valve 8 and second throttle 4 are closed), then the gas-liquid mixture of high normal pressure and temperature is become by the first indoor heat exchanger 5 cooling, again by becoming the gas-liquid mixture of low-temp low-pressure after first throttle valve 6, becoming overheated gas by the second indoor heat exchanger 7 evaporation again returns compressor 1 from cross valve 2, forms desiccant cooling.It should be noted that, in this process, because system off heat amount is greater than row's cold, indoor temperature will slowly rise, and when indoor temperature is greater than design temperature, can open the blower fan of outdoor heat exchanger 3, and control the rotating speed of blower fan, unnecessary system thermal is discharged outward, and indoor temperature is slow is down to design temperature, thus keeps the constant of indoor temperature.
In the present embodiment, a kind of air-conditioning system, comprising: compressor 1, cross valve 2, outdoor heat exchanger 3, first indoor heat exchanger 5, second indoor heat exchanger 7 and dehumidifying magnetic valve 10; This compressor 1 is connected with this outdoor heat exchanger 3 by cross valve 2, and this outdoor heat exchanger 3 is connected with this first indoor heat exchanger 5, second indoor heat exchanger 7 successively, and this second indoor heat exchanger 7 is connected with this compressor 1 by this cross valve 2; This dehumidifying magnetic valve 10 is installed in parallel with this outdoor heat exchanger 3.In the present embodiment, when dehumidifying, according to change switching chamber external heat exchanger 3 and the dehumidifying magnetic valve 10 of indoor temperature, the heat exhaust of dynamic conditioning first indoor heat exchanger 5 and the second indoor heat exchanger 7 and row's cold, thus indoor temperature is constant when realizing dehumidifying, avoid the situation that indoor temperature declines further under the plum rain season environment of low temperature and high relative humidity, improve the comfort level of indoor environment.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that, disclosed system, apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the INDIRECT COUPLING of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed on multiple NE.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only storage (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), magnetic disc or CD etc. various can be program code stored medium.
The above, above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (10)

1. an air-conditioning system, is characterized in that, comprising: compressor, cross valve, outdoor heat exchanger, the first indoor heat exchanger, the second indoor heat exchanger and dehumidifying magnetic valve;
Described compressor is connected with described outdoor heat exchanger by cross valve, and described outdoor heat exchanger is connected with described first indoor heat exchanger, the second indoor heat exchanger successively, and described second indoor heat exchanger is connected with described compressor by described cross valve;
Described dehumidifying magnetic valve and described outdoor heat exchanger are installed in parallel.
2. air-conditioning system according to claim 1, is characterized in that, the connecting pipe between described first indoor heat exchanger and the second indoor heat exchanger is also provided with first throttle valve.
3. air-conditioning system according to claim 2, is characterized in that, described first throttle valve is electric expansion valve.
4. air-conditioning system according to claim 1, is characterized in that, the interface channel between described outdoor heat exchanger and described first indoor heat exchanger is also provided with second throttle;
Described second throttle is arranged on the pipeline in parallel with described dehumidifying magnetic valve place lateral.
5. air-conditioning system according to claim 4, is characterized in that, described second throttle is electric expansion valve.
6. air-conditioning system according to claim 1, is characterized in that, described air-conditioning system also comprises hydrojet magnetic valve and plate type heat exchanger;
One end of described plate type heat exchanger is connected with described compressor, and the other end is connected with described hydrojet magnetic valve;
One end of described hydrojet magnetic valve is connected with described plate type heat exchanger, and the other end is connected with described first indoor heat exchanger.
7. air-conditioning system according to claim 6, it is characterized in that, when heating, cold-producing medium flows to described second indoor heat exchanger via described cross valve from compressor, then turns back in described compressor after described first indoor heat exchanger, hydrojet magnetic valve and plate type heat exchanger successively.
8. air-conditioning system according to any one of claim 1 to 7, it is characterized in that, during dehumidifying, cold-producing medium flows on the lateral of described dehumidifying magnetic valve place via described cross valve from compressor, then turns back in described compressor after described first indoor heat exchanger and the second indoor heat exchanger.
9. air-conditioning system according to any one of claim 1 to 7, it is characterized in that, during refrigeration, cold-producing medium flows to described outdoor heat exchanger via described cross valve from compressor, then turns back in described compressor after described first indoor heat exchanger and the second indoor heat exchanger successively.
10. air-conditioning system according to claim 8, is characterized in that, described outdoor heat exchanger is provided with the blower fan of rotation rate-controllable.
CN201510981519.7A 2015-12-22 2015-12-22 A kind of air-conditioning system Active CN105402937B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105928065A (en) * 2016-04-29 2016-09-07 海信(山东)空调有限公司 Air-conditioner constant temperature dehumidification method and constant temperature dehumidification air-conditioner
CN106322810A (en) * 2016-09-27 2017-01-11 东南大学 Frostless air source heat pump system based on humidity adjustment and evaporative cooling
CN106871478A (en) * 2017-03-21 2017-06-20 李军 A kind of frequency conversion type dehumidifying, air conditioner integrated machine
CN110873225A (en) * 2018-08-31 2020-03-10 株式会社鹭宫制作所 Electric valve and refrigeration cycle system

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CN201335568Y (en) * 2008-12-27 2009-10-28 广东美的电器股份有限公司 Defrosting system for outdoor unit of air conditioner
CN101603705A (en) * 2009-07-09 2009-12-16 苏宇贵 The thermoregulation and dehumidification type water loop heat pump unit
JP2012002436A (en) * 2010-06-17 2012-01-05 Panasonic Corp Air conditioner
CN103528267A (en) * 2013-10-11 2014-01-22 无锡同方人工环境有限公司 Low-environmental-temperature air source heat pump refrigerating system with heat pipe loop
CN104132474A (en) * 2014-07-14 2014-11-05 珠海格力电器股份有限公司 Environment conditioning device for low-temperature laboratory
CN105143779A (en) * 2013-04-10 2015-12-09 三菱电机株式会社 Dehumidification device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0477475A2 (en) * 1990-09-28 1992-04-01 Costan S.P.A. An improved refrigeration circuit and method of de-frosting it
JP2000146319A (en) * 1998-11-16 2000-05-26 Calsonic Corp Heat pump type air conditioner
CN1813162A (en) * 2003-06-30 2006-08-02 开利公司 Control scheme and method for dehumidification systems at low ambient conditions
JP2008298379A (en) * 2007-05-31 2008-12-11 Chubu Electric Power Co Inc Reheat type air conditioner
CN201335568Y (en) * 2008-12-27 2009-10-28 广东美的电器股份有限公司 Defrosting system for outdoor unit of air conditioner
CN101603705A (en) * 2009-07-09 2009-12-16 苏宇贵 The thermoregulation and dehumidification type water loop heat pump unit
JP2012002436A (en) * 2010-06-17 2012-01-05 Panasonic Corp Air conditioner
CN105143779A (en) * 2013-04-10 2015-12-09 三菱电机株式会社 Dehumidification device
CN103528267A (en) * 2013-10-11 2014-01-22 无锡同方人工环境有限公司 Low-environmental-temperature air source heat pump refrigerating system with heat pipe loop
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105928065A (en) * 2016-04-29 2016-09-07 海信(山东)空调有限公司 Air-conditioner constant temperature dehumidification method and constant temperature dehumidification air-conditioner
CN105928065B (en) * 2016-04-29 2019-06-28 海信(山东)空调有限公司 A kind of air-conditioning constant temperature dehumidification method and type constant temperature dehumidifying air conditioner
CN106322810A (en) * 2016-09-27 2017-01-11 东南大学 Frostless air source heat pump system based on humidity adjustment and evaporative cooling
CN106871478A (en) * 2017-03-21 2017-06-20 李军 A kind of frequency conversion type dehumidifying, air conditioner integrated machine
CN110873225A (en) * 2018-08-31 2020-03-10 株式会社鹭宫制作所 Electric valve and refrigeration cycle system

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