CN110296507A - A kind of heat exchange control of air-conditioner outdoor unit - Google Patents

A kind of heat exchange control of air-conditioner outdoor unit Download PDF

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Publication number
CN110296507A
CN110296507A CN201910345891.7A CN201910345891A CN110296507A CN 110296507 A CN110296507 A CN 110296507A CN 201910345891 A CN201910345891 A CN 201910345891A CN 110296507 A CN110296507 A CN 110296507A
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CN
China
Prior art keywords
air
temperature
heat exchanger
outdoor
outdoor heat
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.)
Pending
Application number
CN201910345891.7A
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Chinese (zh)
Inventor
黄锦伦
王美
胡宽宏
邓婷
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.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
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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Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201910345891.7A priority Critical patent/CN110296507A/en
Publication of CN110296507A publication Critical patent/CN110296507A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/65Electronic processing for selecting an operating mode
    • F24F11/67Switching between heating and cooling modes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • 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

The present invention provides a kind of heat exchange control of air-conditioner outdoor unit, in which: air-conditioner outdoor unit includes outdoor heat exchanger (2);Interior is provided with air-exhausting duct (1), and the position in outdoor heat exchanger (2) or the position close to outdoor heat exchanger (2) is arranged, can send air draft at outdoor heat exchanger (2) in the outlet end of air-exhausting duct (1);Detecting step, for detecting outdoor heat exchanger (2) inlet air temperature;Judgment step, judges whether the inlet air temperature of outdoor heat exchanger is in the first preset temperature section;Rate-determining steps open new blower, send the air draft of air-exhausting duct to outdoor heat exchanger when meeting decision condition, when decision condition includes that the inlet air temperature of outdoor heat exchanger is in the first preset temperature section.Indoor air draft can be emitted into the position of outdoor heat exchanger, to be heated up or be cooled down to it through the invention, improve the heat exchange efficiency of outdoor unit.

Description

A kind of heat exchange control of air-conditioner outdoor unit
Technical field
The invention belongs to air-conditioning technical fields, and in particular to a kind of heat exchange control of air-conditioner outdoor unit.
Background technique
With the continuous improvement of people's living standard, the popularity of air-conditioning is very extensive, fresh air+air-conditioning and formed A kind of air-conditioning should need and give birth to, fresh air conditioner is not only able to satisfy people to the fundamental importance of cooling and warming, also adds Requirement of the people to environmental amenity degree;But it is increasingly severe with environment, the service requirement of air-conditioning is gradually increased;
Existing home-use outdoor machine of air-conditioner heat-exchange method uses air-cooled heat exchange, and heat exchange efficiency is by outdoor environment temperature shadow Ring, such as when outdoor environment temperature is excessively high, air-conditioner operation time is longer when cooling, it is more difficult to outdoor carry out heat release or Exothermal efficiency has been substantially reduced, therefore leads to the great decline of heat exchange efficiency;If when heating, outdoor environment temperature is too low, air-conditioning fortune It is more difficult outdoor absorbed heat or heat absorption efficiency has been substantially reduced when the row time is longer, therefore cause heat exchange efficiency great Decline.
Since there are heat exchange efficiencies to be affected by outdoor environment temperature for air-conditioning system in the prior art, outdoor environment The technical problems such as the heat exchange efficiency too high or too low for temperature that can seriously affect air-conditioning system especially outdoor unit, therefore the present invention Researching and designing goes out a kind of heat exchange control of air-conditioner outdoor unit.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcome air-conditioning system in the prior art there are heat exchange efficiency by The defect for being affected to outdoor environment temperature, causing heat exchange efficiency very low, to provide a kind of heat exchange control of air-conditioner outdoor unit Method processed.
The present invention provides a kind of heat exchange control of air-conditioner outdoor unit, in which:
The air-conditioner outdoor unit includes outdoor heat exchanger;
Interior is provided with air-exhausting duct, and the outlet end of the air-exhausting duct is arranged in the position of the outdoor heat exchanger or close to institute State the position of outdoor heat exchanger, can send air draft to the outdoor heat exchanger;
Detecting step, for detecting the inlet air temperature of outdoor heat exchanger;
Judgment step, judges whether the inlet air temperature of the outdoor heat exchanger is in the first preset temperature section;
Rate-determining steps open the new blower, send the air draft of the air-exhausting duct to the room when meeting decision condition At external heat exchanger, when the decision condition includes that the inlet air temperature of the outdoor heat exchanger is in the first preset temperature section.
Preferably,
The detecting step is also used to detect indoor environment temperature;
The judgment step, is also used to judge whether the indoor environment temperature is in the second preset temperature section;
The rate-determining steps, the decision condition further include when the indoor environment temperature is in the second preset temperature area Between when.
Preferably,
The detecting step is also used to detect the operational mode of air-conditioning;
The judgment step is also used to judge that the operational mode of air-conditioning is in refrigeration mode or heating mode.
Preferably,
First preset temperature section includes the first preset temperature T1, and second preset temperature section includes second pre- If temperature T2:
When air-conditioning is in refrigeration mode, and work as the inlet air temperature T of the outdoor heat exchangerOutside>=the first preset temperature T1 When, simultaneously the indoor environment temperature TIt is interiorWhen the≤the second preset temperature T2, the new blower is opened, by the row of the air-exhausting duct Wind is sent to the outdoor heat exchanger.
Preferably,
First preset temperature section includes third preset temperature T3, and second preset temperature section includes the 4th pre- If temperature T4:
When air-conditioning is in heating mode, and work as the inlet air temperature T of the outdoor heat exchangerOutside≤ third preset temperature T3 When, simultaneously the indoor environment temperature TIt is interiorWhen the >=the four preset temperature T4, the new blower is opened, by the row of the air-exhausting duct Wind is sent to the outdoor heat exchanger.
Preferably,
When air-conditioning is in refrigeration mode, and work as the inlet air temperature T of the outdoor heat exchangerOutsideWhen the < the first preset temperature T1, Or the indoor environment temperature TIt is interiorWhen the > the second preset temperature T2, the new blower, the air-exhausting duct are closed without air draft.
Preferably,
When air-conditioning is in heating mode, and work as the inlet air temperature T of the outdoor heat exchangerOutsideWhen > third preset temperature T3, Or the indoor environment temperature TIt is interiorWhen the < the four preset temperature T4, the new blower, the air-exhausting duct are closed without air draft.
Preferably,
Bypass conduit is also provided with and communicated on the air-exhausting duct, air draft can be sent to outdoor by the bypass line Position other than the outdoor heat exchanger.
Preferably,
Further include control unit, the control unit can control in the bypass line and the air-exhausting duct at least it One opens or closes.
Preferably,
When the inlet air temperature of the outdoor heat exchanger is not at the first preset temperature section, and when needs are to indoor progress It when fresh air recycles, controls the new blower and opens, and control the control unit, the air-exhausting duct closed, the bypass Pipeline is connected, so that air draft drains into the outdoor position in addition to outdoor heat exchanger from the bypass line.
Preferably,
Interior is additionally provided with new blower, and the new blower includes the air-exhausting duct.
A kind of heat exchange control of air-conditioner outdoor unit provided by the invention has the following beneficial effects:
1. the heat exchange control of air-conditioner outdoor unit of the invention is by being arranged the air-exhausting duct outlet end of new blower in sky Adjust the position of outdoor unit or the position of the close air-conditioner outdoor unit, can send air draft to the air-conditioner outdoor unit, and The judgement that new blower is opened is controlled according to whether the inlet air temperature of air-conditioner outdoor unit is in the first preset temperature section as judgement One of condition enables to inlet air temperature to be in so that when in the first preset temperature interval range of heat exchange efficiency lowly, opening Indoor air draft is emitted into the position of outdoor heat exchanger, to be heated up or be cooled down to it by new blower, cooling, system when refrigeration Hot Shi Shengwen improves the heat exchange efficiency of outdoor unit to enhance the heat transfer temperature difference between outdoor heat exchanger and outdoor;
2. whether the heat exchange control of air-conditioner outdoor unit of the invention is in second in advance also according to indoor environment temperature If temperature range controls one of the decision condition that new blower is opened as judgement, when indoor environment temperature is not in the second default temperature Degree interval range in when, indoor environment temperature do not reach comfort temperature required for interior (or assigned temperature), if at this time Room air will be drained into again to original purpose outdoor and that indoor refrigeration or heating is not achieved if opening new blower, because This only when indoor environment temperature be in by indoor second preset temperature interval range when, indoor environment temperature just reach room Comfort temperature (or assigned temperature) required for interior just opens blower, air draft to outdoor heat exchanger at this time, increases outdoor unit and room The temperature difference between external environment, to improve the heat exchange efficiency of outdoor unit while the comfort for meeting indoor environment temperature;
3. the present invention is also in so that other than the first preset temperature interval range of heat exchange efficiency lowly by inlet air temperature When, close new blower, the temperature difference maintains enough heat exchange efficiencies enough between outdoor unit temperature and outdoor environment temperature at this time, and changes The thermal efficiency is not low, not air draft at this time, improves high intelligent control degree;It is default that second also is not in by indoor environment temperature When within the scope of temperature range, new blower is closed, so that room air is drained into outdoor again, indoor environment temperature does not reach at this time Comfort temperature required for interior (or assigned temperature), thus the control can guarantee it is indoor continue freeze or heat work, To guarantee that indoor environment temperature reaches the temperature of comfort, guarantee the comfort of human body;
4. the present invention is also by setting bypass line, and the inlet air temperature for working as the air-conditioner outdoor unit is not at first in advance If when temperature range, illustrating that outdoor unit heat exchange efficiency does not need fresh air air draft to the position of outdoor unit enough at this time, but again Need to carry out fresh air circulation (indoor to recycle with outdoor fresh air), thus control control unit at this time and control air-exhausting duct close, Bypass line is connected, so that air draft is drained into the position other than outdoor unit, so that while not draining into outdoor unit position also It is able to achieve fresh air circulation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of air-conditioner outdoor unit and new blower air-exhausting duct connecting part of the invention;
Fig. 2 is the control flow chart of the heat exchange control of air-conditioner outdoor unit of the invention.
Appended drawing reference indicates in figure are as follows:
1, air-exhausting duct;2, outdoor heat exchanger;3, bypass line;4, wall;5, control unit.
Specific embodiment
As shown in Figs. 1-2, the present invention provides a kind of heat exchange control of air-conditioner outdoor unit, in which:
The air-conditioner outdoor unit includes outdoor heat exchanger 2;
Interior is provided with new blower, and the new blower includes air-exhausting duct 1, and the outlet end of the air-exhausting duct 1 is arranged in institute State the position of outdoor heat exchanger 2 or the position of the close outdoor heat exchanger 2, can send air draft to the outdoor heat exchanger 2 Place;
Detecting step, for detecting 2 inlet air temperature of outdoor heat exchanger;
Judgment step, judges whether the inlet air temperature of the outdoor heat exchanger is in the first preset temperature section;
Rate-determining steps open the new blower, send the air draft of the air-exhausting duct to the room when meeting decision condition At external heat exchanger, when the decision condition includes that the inlet air temperature of the outdoor heat exchanger is in the first preset temperature section.
The heat exchange control of air-conditioner outdoor unit of the invention is by being arranged the air-exhausting duct outlet end of new blower in air-conditioning The position of outdoor unit is (low in exhaust system by the exhaust system of fresh air conditioner close to the position of the air-conditioner outdoor unit Warm air is used, and lengthens in outside connecting tube, indoor connecting tube is connected directly at outdoor unit heat exchanger), with Air draft can be sent to the air-conditioner outdoor unit, and whether the first preset temperature is according to the inlet air temperature of air-conditioner outdoor unit Section controls one of the decision condition that new blower is opened as judgement, and inlet air temperature is enabled to be in so that heat exchange efficiency is low The first preset temperature interval range in when, open new blower, indoor air draft is emitted into the position of outdoor heat exchanger, with right It is heated up or is cooled down, and is heated up when refrigeration when cooling, heating, to enhance the heat exchange temperature between outdoor heat exchanger and outdoor Difference improves the heat exchange efficiency of outdoor unit.
The present invention is used to the indoor air of the discharge of fresh air conditioner, improve air-conditioner outdoor unit refrigeration, heating The heat exchange efficiency of situation, though under the outdoor environment of two kinds of limit of high temperature, low temperature, indoor can also have sufficient cooling capacity, Heat guarantees comfort level
The present invention has the fresh air conditioner of exhaust system, and foul indoor air is discharged by exhaust system: in refrigeration situation Under, indoor air temperature is lower than outdoor temperature, so the foul atmosphere being discharged in exhaust system is also Cryogenic air (relative to room For outer air);For same, in heating, indoor air temperature is higher than outdoor temperature, so being discharged in exhaust system Foul atmosphere be also high temperature air (for outdoor air).
Preferably,
The detecting step is also used to detect indoor environment temperature;
The judgment step, is also used to judge whether the indoor environment temperature is in the second preset temperature section;
The rate-determining steps, the decision condition further include when the indoor environment temperature is in the second preset temperature area Between when.
The heat exchange control of air-conditioner outdoor unit of the invention is preset also according to whether indoor environment temperature is in second Temperature range controls one of the decision condition that new blower is opened as judgement, when indoor environment temperature is not in the second preset temperature When in interval range, indoor environment temperature do not reach comfort temperature required for interior (or assigned temperature), at this time to Room air will be drained into again to original purpose outdoor and that indoor refrigeration or heating is not achieved, therefore if opening new blower Only when indoor environment temperature be in by indoor second preset temperature interval range when, indoor environment temperature just reach interior Required comfort temperature (or assigned temperature) just opens blower, air draft to outdoor heat exchanger at this time, increases outdoor unit and outdoor The temperature difference between environment, to improve the heat exchange efficiency of outdoor unit while the comfort for meeting indoor environment temperature.
Preferably,
The detecting step is also used to detect the operational mode of air-conditioning;
The judgment step is also used to judge that the operational mode of air-conditioning is in refrigeration mode or heating mode.
This is the preferred embodiment of detecting step and judgment step of the invention, and detection and the operational mode for judging air-conditioning are systems Heat pattern or refrigeration mode can detect again according to specific operating mode and judge whether the heat exchange efficiency of outdoor heat exchanger is low Down and/or judge whether indoor refrigeration or heating reach target temperature, realizes the heat exchange efficiency purpose for improving outdoor heat exchanger.
Preferably,
First preset temperature section includes the first preset temperature T1, and second preset temperature section includes second pre- If temperature T2:
When air-conditioning is in refrigeration mode, and work as the inlet air temperature T of the outdoor heat exchangerOutside>=the first preset temperature T1 When, simultaneously the indoor environment temperature TIt is interiorWhen the≤the second preset temperature T2, the new blower is opened, by the row of the air-exhausting duct Wind is sent to the outdoor heat exchanger.
This is the preferred control mode under refrigeration mode of the invention, can be in the inlet air temperature T of outdoor heat exchangerOutside>=the When one preset temperature T1, simultaneously the indoor environment temperature TIt is interiorWhen the≤the second preset temperature T2, the new blower is opened, by institute The air draft for stating air-exhausting duct is sent to the outdoor heat exchanger, and the heat exchange efficiency of outdoor heat exchanger is low at this time and indoor environment temperature Degree has had reached target temperature T2 hereinafter, indoor low temperature gas to be directed to the position of outdoor heat exchanger by air-exhausting duct, can The heat exchange efficiency of outdoor heat exchanger is improved, and do not influence indoor environment temperature also, influence comfort.
In the case where refrigeration, outdoor unit is by heat exchanger heat release into environment, if improving the heat exchange of outdoor heat exchanger at this time Efficiency reduces the inlet air temperature for passing through heat exchanger, the heat exchange efficiency of outside can be just effectively improved, even if in outdoor high temperature Also there can be sufficient cooling capacity under environment, guarantee the comfort level of indoor;
Preferably,
First preset temperature section includes third preset temperature T3, and second preset temperature section includes the 4th pre- If temperature T4:
When air-conditioning is in heating mode, and when the inlet air temperature T of the outdoor heat exchanger it is outer≤third preset temperature T3 When, simultaneously in the indoor environment temperature T >=the 4th preset temperature T4 when, open the new blower, by the air-exhausting duct Air draft is sent to the outdoor heat exchanger.
This is the preferred control mode under heating mode of the invention, can outside the inlet air temperature T of outdoor heat exchanger≤ When third preset temperature T3, simultaneously in the indoor environment temperature T >=the 4th preset temperature T4 when, open the new blower, The air draft of the air-exhausting duct is sent to the outdoor heat exchanger, the heat exchange efficiency of outdoor heat exchanger is low at this time and indoor ring Border temperature has had reached target temperature T4 or more, and indoor high-temperature gas is directed to the position of outdoor heat exchanger by air-exhausting duct, It can be improved the heat exchange efficiency of outdoor heat exchanger, and do not influence indoor environment temperature also, do not influence comfort.
In the case where heating, outdoor unit is absorbed heat by heat exchanger into environment, usually in the case where winter, outdoor temp Lower, phenomena such as outdoor unit is easy to appear frosting is spent, the heat exchange efficiency of heat exchanger is influenced, if improving outdoor environment temperature at this time, The heat exchange efficiency of outdoor heat exchanger can be effectively improved, heat is promoted, even if guaranteeing in the comfortable of cold winter indoor Degree
Preferably,
When air-conditioning is in refrigeration mode, and when the inlet air temperature T of the outdoor heat exchanger it is outer < the first preset temperature T1 When or the indoor environment temperature T in > the second preset temperature T2 when, close the new blower, the air-exhausting duct without row Wind.
This is the present invention in refrigeration mode, closes the preferred control mode of new blower, when the outdoor heat exchanger into Air temperature TOutsideWhen the < the first preset temperature T1 or the indoor environment temperature TIt is interiorWhen the > the second preset temperature T2, illustrate or The heat exchange efficiency of outdoor heat exchanger is enough, do not need at air draft to outdoor heat exchanger or indoor environment temperature is also not up to Specified comfort temperature T2 hereinafter, therefore close new blower at this time, not must air draft, guarantee the heat exchange efficiency of outdoor heat exchanger Simultaneously and guarantee indoor comfort degree.
Preferably,
When air-conditioning is in heating mode, and work as the inlet air temperature T of the outdoor heat exchangerOutsideWhen > third preset temperature T3, Or the indoor environment temperature TIt is interiorWhen the < the four preset temperature T4, the new blower, the air-exhausting duct are closed without air draft.
This is the present invention in heating mode, closes the preferred control mode of new blower, when the outdoor heat exchanger into Air temperature TOutsideWhen > third preset temperature T3 or the indoor environment temperature TIt is interiorWhen the < the four preset temperature T4, illustrate or The heat exchange efficiency of outdoor heat exchanger is enough, do not need at air draft to outdoor heat exchanger or indoor environment temperature is also not up to Specified comfort temperature T4 or more, therefore close new blower at this time, not must air draft, guarantee the heat exchange efficiency of outdoor heat exchanger Simultaneously and guarantee indoor comfort degree.
Preferably,
Bypass conduit 3 is also provided with and communicated on the air-exhausting duct 1, air draft can be sent to room by the bypass line 3 Position other than the outer outdoor heat exchanger.The present invention also passes through setting bypass line, and when the air-conditioner outdoor unit When inlet air temperature is not at the first preset temperature section, illustrate that outdoor unit heat exchange efficiency does not need fresh air air draft extremely enough at this time The position of outdoor unit, but need to carry out fresh air circulation (indoor to recycle with outdoor fresh air) again, therefore control control unit at this time Part and control air-exhausting duct close, bypass line connect, so that air draft is drained into the position other than outdoor unit, so that not draining into Fresh air circulation is also able to achieve while outdoor unit position.
Preferably,
It further include control unit 5, the control unit can control in the bypass line 3 and the air-exhausting duct 1 extremely It is one of few to open or close.Air-exhausting duct can be controlled by control unit to open or close, and can be controlled bypass line and be beaten On or off is closed.
Preferably,
When the inlet air temperature of the outdoor heat exchanger is not at the first preset temperature section, and when needs are to indoor progress It when fresh air recycles, controls the new blower and opens, and control the control unit, the air-exhausting duct closed, the bypass Pipeline is connected, so that air draft drains into the outdoor position in addition to outdoor heat exchanger from the bypass line.Control control unit And air-exhausting duct closing, bypass line connection are controlled, so that air draft is drained into the position other than outdoor unit, so that not draining into room Fresh air circulation is also able to achieve while outer machine position.
User's normal use refrigeration:
1, fresh air conditioner receives refrigeration mode signal, and fresh air conditioner opens normal refrigeration mode, and fresh air at this time is empty Fresh air system in tune does not start;
User, which can choose, to be selected to open fresh air system, fresh air system by remote controler (or function button on interior machine side plate) System receives signal unlatching, the supply air system (passing through filtered outdoor fresh air) in fresh air system, exhaust system synchronous averaging;
2, after exhaust system starting, the air of foul indoor is emitted into outdoor by the air-exhausting duct in exhaust system, due to Air-exhausting duct lengthens, and the air of indoor low temperature is emitted at the heat exchange of outdoor unit, improves outdoor crosswind heat exchange efficiency, so that outdoor exists Also it can guarantee that user also can comfortably live in an environment of high temperature to the cooling capacity of indoor offer abundance in the case where high temperature
The optimization processing of foul indoor air is used, reinforces using the invalid energy, reduces the invalid loss of the energy, The comfort that user can not only be improved provides the refrigerating capacity of air-conditioning, is a kind of effectively development side now to air-conditioning exploitation Formula is the Air-conditioning Development direction of new era, can also play a certain protective role to environment
4, new blower turns internal-circulation type, and new blower exhaust system air door wind deflector is closed, and air-exhausting duct is without air draft;
5, fresh air conditioner is opened, and fresh air organ closes!
The heating of user's normal use:
1, fresh air conditioner receives heating mode signal, and fresh air conditioner opens normal heating mode, and fresh air at this time is empty Fresh air system in tune does not start;
User, which can choose, to be selected to open fresh air system, fresh air system by remote controler (or function button on interior machine side plate) System receives signal unlatching, the supply air system (passing through filtered outdoor fresh air) in fresh air system, exhaust system synchronous averaging;
2, in a heating mode, due to be easy to causeing outdoor heat exchanger frosting situation in the environment of outdoor low temperature, Under frosting condition, outside heat exchange efficiency is low, be easy to cause indoor heat supply insufficient, the bad complaint after sale of heating effect;
3, the high temperature air of the discharge in heating in exhaust system is now efficiently used, delivery pipe is connected directly to room At the heat exchanger of outside, the high temperature air of exhaust system exchanges heat to the heat exchanger of outside to form direct effective effect
In outdoor low temperature, outer machine heat exchanger frost-free: the air themperature for passing through heat exchanger is improved, the heat exchange of heat exchanger is improved Rate improves the heating capacity of complete machine, also can effectively prevent heat exchanger from carrying out frosting;
In outdoor low temperature, outer machine heat exchanger frosting: accelerating heat exchanger defrosting, shortens the defrost period, reduces on heat exchanger Water condensation is condensed, so that not having the influence of condensed water on condenser, windage is reduced, accelerates heat exchange.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.With It is only the preferred embodiment of the present invention described in upper, it is noted that for those skilled in the art, not Under the premise of being detached from the technology of the present invention principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as this The protection scope of invention.

Claims (11)

1. a kind of heat exchange control of air-conditioner outdoor unit, it is characterised in that:
The air-conditioner outdoor unit includes outdoor heat exchanger (2);
Interior is provided with air-exhausting duct (1), the setting of the outlet end of the air-exhausting duct (1) the outdoor heat exchanger (2) position or Close to the position of the outdoor heat exchanger (2), air draft can be sent at the outdoor heat exchanger (2);
Detecting step, for detecting the outdoor heat exchanger (2) inlet air temperature;
Judgment step, judges whether the inlet air temperature of the outdoor heat exchanger is in the first preset temperature section;
Rate-determining steps open the new blower, the air draft of the air-exhausting duct are sent to the outdoor and is changed when meeting decision condition At hot device, when the decision condition includes that the inlet air temperature of the outdoor heat exchanger is in the first preset temperature section.
2. heat exchange control according to claim 1, it is characterised in that:
The detecting step is also used to detect indoor environment temperature;
The judgment step, is also used to judge whether the indoor environment temperature is in the second preset temperature section;
The rate-determining steps, the decision condition further include when the indoor environment temperature is in the second preset temperature section When.
3. heat exchange control according to claim 2, it is characterised in that:
The detecting step is also used to detect the operational mode of air-conditioning;
The judgment step is also used to judge that the operational mode of air-conditioning is in refrigeration mode or heating mode.
4. heat exchange control according to claim 3, it is characterised in that:
First preset temperature section includes the first preset temperature T1, and second preset temperature section includes the second default temperature Spend T2:
When air-conditioning is in refrigeration mode, and work as the inlet air temperature T of the outdoor heat exchangerOutsideWhen the >=the first preset temperature T1, together The indoor environment temperature T of Shi SuoshuIt is interiorWhen the≤the second preset temperature T2, the new blower is opened, send the air draft of the air-exhausting duct At to the outdoor heat exchanger.
5. heat exchange control according to claim 3, it is characterised in that:
First preset temperature section includes third preset temperature T3, and second preset temperature section includes the 4th default temperature Spend T4:
When air-conditioning is in heating mode, and work as the inlet air temperature T of the outdoor heat exchangerOutsideWhen≤third preset temperature T3, together The indoor environment temperature T of Shi SuoshuIt is interiorWhen the >=the four preset temperature T4, the new blower is opened, send the air draft of the air-exhausting duct At to the outdoor heat exchanger.
6. the heat exchange control according to any one of claim 3-5, it is characterised in that:
When air-conditioning is in refrigeration mode, and work as the inlet air temperature T of the outdoor heat exchangerOutsideWhen the < the first preset temperature T1 or The indoor environment temperature TIt is interiorWhen the > the second preset temperature T2, the new blower, the air-exhausting duct are closed without air draft.
7. the heat exchange control according to any one of claim 3-5, it is characterised in that:
When air-conditioning is in heating mode, and work as the inlet air temperature T of the outdoor heat exchangerOutsideWhen > third preset temperature T3 or The indoor environment temperature TIt is interiorWhen the < the four preset temperature T4, the new blower, the air-exhausting duct are closed without air draft.
8. heat exchange control described in any one of -7 according to claim 1, it is characterised in that:
It is also provided with and communicated with bypass conduit (3) on the air-exhausting duct (1), air draft can be sent to by the bypass line (3) Position other than the outdoor outdoor heat exchanger.
9. heat exchange control according to claim 8, it is characterised in that:
It further include control unit (5), the control unit can control in the bypass line (3) and the air-exhausting duct (1) At least one open or close.
10. heat exchange control according to claim 9, it is characterised in that:
When the inlet air temperature of the outdoor heat exchanger is not at the first preset temperature section, and when needs are to indoor carry out fresh air It when circulation, controls the new blower and opens, and control the control unit, the air-exhausting duct closed, the bypass line It connects, so that air draft drains into the outdoor position in addition to outdoor heat exchanger from the bypass line.
11. heat exchange control according to claim 1 to 10, it is characterised in that:
Interior is additionally provided with new blower, and the new blower includes the air-exhausting duct (1).
CN201910345891.7A 2019-04-26 2019-04-26 A kind of heat exchange control of air-conditioner outdoor unit Pending CN110296507A (en)

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Publication number Priority date Publication date Assignee Title
CN105890070A (en) * 2016-06-01 2016-08-24 江苏慧居建筑科技有限公司 Multi-condenser and double-return-air bypass dehumidification fresh air unit and air conditioning method
CN106678963A (en) * 2016-12-08 2017-05-17 刘国箫 Multifunctional air conditioner
CN207471774U (en) * 2017-11-06 2018-06-08 深圳市感通机电工程有限公司 For the heat reclaim unit of energy-saving fresh air system
KR20180075175A (en) * 2016-12-26 2018-07-04 엘지전자 주식회사 Air-conditioner and Method thereof
CN108302715A (en) * 2018-01-11 2018-07-20 广东美的制冷设备有限公司 The control method and air conditioner of air conditioner

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105890070A (en) * 2016-06-01 2016-08-24 江苏慧居建筑科技有限公司 Multi-condenser and double-return-air bypass dehumidification fresh air unit and air conditioning method
CN106678963A (en) * 2016-12-08 2017-05-17 刘国箫 Multifunctional air conditioner
KR20180075175A (en) * 2016-12-26 2018-07-04 엘지전자 주식회사 Air-conditioner and Method thereof
CN207471774U (en) * 2017-11-06 2018-06-08 深圳市感通机电工程有限公司 For the heat reclaim unit of energy-saving fresh air system
CN108302715A (en) * 2018-01-11 2018-07-20 广东美的制冷设备有限公司 The control method and air conditioner of air conditioner

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