CN107062477A - The progress control method of air-conditioning refrigerator all-in-one - Google Patents
The progress control method of air-conditioning refrigerator all-in-one Download PDFInfo
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- CN107062477A CN107062477A CN201710214490.9A CN201710214490A CN107062477A CN 107062477 A CN107062477 A CN 107062477A CN 201710214490 A CN201710214490 A CN 201710214490A CN 107062477 A CN107062477 A CN 107062477A
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- Prior art keywords
- control valve
- control
- valve
- controlled
- air
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0096—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater combined with domestic apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
Abstract
The invention discloses a kind of progress control method of air-conditioning refrigerator all-in-one, including：Start air-conditioning refrigerator all-in-one and run refrigeration mode；The first by-passing valve and the second by-passing valve is controlled to open 1/4, the operation of control defrosting area is thawed；The first control valve, the second control valve, the 3rd control valve, the 4th control valve, the 6th control valve is controlled to open, the 5th control valve of control and the 7th control valve are closed；The operation of compressor high frequency is controlled, makes indoor heat exchanger refrigerating operaton；Obtain the temperature deviation between indoor temperature and design temperature；Air-conditioning refrigerator all-in-one is controlled according to temperature deviation.Thawed in the present invention without electrical heating, defrosting cost can not only be saved, additionally it is possible to improve defrosting efficiency, reduction, which is thawed, consumes energy, it is to avoid the safety issue that electric leakage triggers occurs.
Description
Technical field
The present invention relates to air-conditioning technique field, the operation in particular to a kind of air-conditioning refrigerator all-in-one is controlled
Method.
Background technology
Existing air conditioner and the refrigeration plant that refrigerator is two pieces independence, the long-term use time of air-conditioning are average less than 30%, ice
Case utilization rate is relatively long, but is substantially at off-mode in the winter time in northern refrigerator.Two pieces refrigeration appliance whole year utilization rate
It is not high, if it is possible to unite two into one, then the substantial amounts of energy and material cost will be saved.
Existing refrigerator is typically thawed using electrical heating, and not only defrosting cost is high, and power consumption is high, and easily occurs electric leakage etc.
It is dangerous.
The content of the invention
The purpose of the present invention is to propose to a kind of progress control method of air-conditioning refrigerator all-in-one, defrosting cost is low, effect of thawing
Rate is high, consumes energy relatively low, and security is higher.
According to an aspect of the invention, there is provided a kind of progress control method of air-conditioning refrigerator all-in-one, including：Start
Air-conditioning refrigerator all-in-one simultaneously runs refrigeration mode；The first by-passing valve and the second by-passing valve is controlled to open 1/4, the operation of control defrosting area
Thaw；The first control valve, the second control valve, the 3rd control valve, the 4th control valve, the 6th control valve is controlled to open, control the 5th
Control valve and the 7th control valve are closed；The operation of compressor high frequency is controlled, makes indoor heat exchanger refrigerating operaton；Obtain indoor temperature with
Temperature deviation between design temperature；Air-conditioning refrigerator all-in-one is controlled according to temperature deviation.
Preferably, the step of being controlled according to temperature deviation to air-conditioning refrigerator all-in-one includes：When indoor deviation is less than
During T1, the first control valve of control, the second control valve, the 4th control valve and the 6th control valve standard-sized sheet, the 3rd control valve open a/b,
The first by-passing valve and the second by-passing valve standard-sized sheet are controlled, the 5th control valve and the 7th control valve are closed, the operation of compressor high frequency.
Preferably, progress control method also includes：When indoor deviation is more than or equal to T1, the first control valve of control, the
Two control valves, the 3rd control valve, the 4th control valve and the 6th control valve standard-sized sheet, the 5th control valve of control and the 7th control valve are closed
Close, the first by-passing valve of control and the second by-passing valve are closed, the high frequency operation of control compressor keeps indoor heat exchanger refrigerating operaton,
Air-conditioning refrigerator all-in-one is set to enter normal indoor heat exchanger and refrigeration for refrigerator state.
Preferably, T1 is 2 DEG C, and a/b is 1/2.
Preferably, the step of being controlled according to temperature deviation to air-conditioning refrigerator all-in-one also includes：When detecting defrosting
When area's temperature is more than T2 and continues t1 times, the first by-passing valve of control and the second by-passing valve are closed；Control the first control valve, second
Control valve, the 3rd control valve, the 4th control valve, the 6th control valve are opened, and the 5th control valve of control and the 7th control valve are closed；Control
Compressor low-frequency operation processed, makes indoor heat exchanger operation refrigeration.
Preferably, T2 is 20 DEG C, and t1 is 10min.
According to the above-mentioned technical proposal of the present invention, in the process of running, the high pressure gaseous in compressor is cold by the present invention
Matchmaker, so as to make temperature in defrosting area rise, can reach solution by bypass line from the exhaust ports inflow defrosting area of compressor
The cryogenic high pressure gaseous coolant cooled down after the purpose of jelly, defrosting is exported by defrosting area and bypass line is returned in compressor,
Therefore thawed in the present invention without electrical heating, defrosting cost can not only be saved, additionally it is possible to improve defrosting efficiency, reduction is thawed
Power consumption, it is to avoid the safety issue that electric leakage triggers occurs.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
Can the limitation present invention.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the present invention
Example, and for explaining principle of the invention together with specification.
Fig. 1 is a kind of structural representation of air-conditioning refrigerator all-in-one of the embodiment of the present invention；And
Fig. 2 is a kind of flow chart of the progress control method of air-conditioning refrigerator all-in-one of the embodiment of the present invention.
Description of reference numerals：10th, compressor；20th, outdoor heat exchanger；30th, indoor heat exchanger；40th, refrigerator；41st, refrigeration area；
411st, chill space；412nd, freeze space；42nd, defrosting area；84th, four-way reversing valve；60th, throttling arrangement；01st, the first by-passing valve；02nd,
Two by-passing valves；1st, the first control valve；2nd, the second control valve；3rd, the 3rd control valve；4th, the 4th control valve；5th, the 5th control valve；6、
6th control valve；7th, the 7th control valve.
Embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Put into practice them.Other embodiments can include structure, logic, electric, process and other changes.Embodiment
Only represent possible change.Unless explicitly requested, otherwise single components and functionality is optional, and the order operated can be with
Change.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This hair
The scope of bright embodiment includes the gamut of claims, and claims is all obtainable equivalent
Thing.Herein, each embodiment individually or can be represented generally with term " invention ", and it is convenient that this is used for the purpose of,
And if in fact disclosing the invention more than one, the scope for being not meant to automatically limit the application is any single invention
Or inventive concept.Herein, such as first and second or the like relational terms be used only for by an entity or operation with
Another entity or operation make a distinction, without requiring or implying between these entities or operation there is any actual relation
Or order.Moreover, term " comprising ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that
So that process, method or equipment including a series of key elements not only include those key elements, but also including being not expressly set out
Other key elements, or also include for this process, method or the intrinsic key element of equipment.In the feelings of not more limitations
Under condition, the key element limited by sentence "including a ...", it is not excluded that in the process including the key element, method or equipment
In also there is other identical element.Each embodiment herein is described by the way of progressive, and each embodiment is stressed
Be all between difference with other embodiment, each embodiment identical similar portion mutually referring to.For implementing
For example disclosed method, product etc., because it is corresponding with method part disclosed in embodiment, so the comparison of description is simple
Single, related part is referring to method part illustration.
With reference to shown in Figure 1, the embodiments of the invention provide a kind of air-conditioning refrigerator all-in-one, including compressor 10, room
External heat exchanger 20, indoor heat exchanger 30 and refrigerator 40, refrigerator 40 include refrigeration area 41 and defrosting area 42, and refrigeration area 41 includes freezing
Area 412 and chill space 411, the correspondence freeze space 412 of defrosting area 42 are set, and bypass pipe is connected between compressor 10 and defrosting area 42
Road, the wherein exhaust outlet of compressor 10 are connected to the entrance in defrosting area 42 by bypass line, and the gas returning port of compressor 10 passes through
Bypass line is connected to the outlet in defrosting area 42.
In the present invention, the high temperature and high pressure gas in compressor 10 can flow into defrosting area 42, order solution by bypass line
Freeze temperature in area 42 to rise, reach that the gas cooled down after the purpose of defrosting, defrosting can be exported and bypassed by defrosting area 42
Pipeline returns to and compression is re-started in compressor 10, therefore is thawed in the present invention without electrical heating, can not only save defrosting
Cost, additionally it is possible to improve defrosting efficiency, reduction, which is thawed, consumes energy, it is to avoid the safety issue that electric leakage triggers occurs.
Optionally, as shown in figure 1, in the above-described embodiments, being provided with the bypass line of the exhaust ports of compressor 10
First by-passing valve 01, the aperture of the first by-passing valve 01 is adjustable.
In the above-described embodiments, air-conditioning refrigerator all-in-one can control compression by controlling the folding of the first by-passing valve 01
Whether the high pressure gaseous refrigerant in machine 10 flow to defrosting area 42 by bypass line, when the first by-passing valve 01 is opened, also
Can be by controlling the aperture of the first by-passing valve 01, control flows into the flow of the high pressure gaseous refrigerant in defrosting area 42, not only
It disclosure satisfy that the food thawing demand of different phase, additionally it is possible to which the effect of energy-conservation is reached according to the change of heating capacity demand.
Optionally, as shown in figure 1, being provided with the second by-passing valve 02 on bypass line at the gas returning port of compressor 10,
The aperture of two by-passing valves 02 is adjustable.
In the above-described embodiments, by controlling the folding of the second by-passing valve 02, the gas stream in defrosting area 42 can be controlled
Into compressor 10, by the aperture for controlling the second by-passing valve 02, additionally it is possible to which control returns to gas in compressor 10 from defrosting area 42
The flow of body, can not only meet different food thawing demands, additionally it is possible to reach the effect of energy-conservation.
Optionally, changed as shown in figure 1, being connected with four-way between compressor 10 and indoor heat exchanger 30 and outdoor heat exchanger 20
To valve 84, refrigeration area 41 is connected to the first interface of four-way reversing valve 84, the first end of indoor heat exchanger 30 by the first pipeline
The first interface of four-way reversing valve 84 is connected to by the second pipeline, is connected between outdoor heat exchanger 20 and indoor heat exchanger 30
6th pipeline, the first end of the 6th pipeline is connected to outdoor heat exchanger 20, and the second end of the 6th pipeline is connected by the 3rd pipeline
To the second end of indoor heat exchanger 30, the second end of the 6th pipeline is connected to refrigeration area 41 by the 4th pipeline, indoor heat exchanger
30 first end, which is connected to by the 5th pipeline on the second interface of four-way reversing valve, the first pipeline, is provided with the first control valve 1,
It is provided with second pipeline on the second control valve 2, the 3rd pipeline and is provided with the 3rd control valve 3, the 4th is provided with the 4th pipeline
It is provided with control valve 4, the 5th pipeline on the 5th control valve 5, the 6th pipeline and is provided with the 6th control valve 6 and throttling arrangement 60.
In the above-described embodiments, air-conditioning refrigerator all-in-one is by controlling the second control valve 2, the 3rd control valve the 3, the 6th to control
The switch of valve 6, can control the switch of indoor heat exchanger 30, indoors in the running of heat exchanger 30, by controlling four-way to change
To the commutation of valve 84, the refrigeration of indoor heat exchanger 30 can be controlled and switching is heated.By controlling the first control valve the 1, the 6th to control
The switch of the control valve 4 of valve 6 and the 4th processed, can control the switch and refrigeration of refrigerator 40.Wherein, throttling arrangement 60 can be electronics
The devices such as expansion valve, capillary, are not limited herein, as long as the purpose of throttling can be reached.
Optionally, as shown in figure 1, the second end of air-conditioning indoor heat exchanger 30 is also associated with the 7th pipeline, the 7th pipeline
The other end is connected on the 6th pipeline between the 6th control valve 6 and throttling arrangement 60, and the 7th control is provided with the 7th pipeline
Valve 7.
In the above-described embodiments, by opening the first control valve 1, the 4th control valve 4, the 5th control valve 5 and the 7th control
Valve 7, indoor heat exchanger and refrigerator can be opened simultaneously, realize the refrigeration heated with refrigerator of indoor heat exchanger.
With reference to shown in referring to Fig. 1 and Fig. 2, embodiments in accordance with the present invention, the progress control method of air-conditioning refrigerator all-in-one
Including：Start air-conditioning refrigerator all-in-one and run refrigeration mode；The first by-passing valve and the second by-passing valve is controlled to open 1/4, control
The operation of defrosting area is thawed；The first control valve, the second control valve, the 3rd control valve, the 4th control valve, the 6th control valve is controlled to beat
Open, the 5th control valve of control and the 7th control valve are closed；The operation of compressor high frequency is controlled, makes indoor heat exchanger refrigerating operaton；Obtain
Take the temperature deviation between indoor temperature and design temperature；Air-conditioning refrigerator all-in-one is controlled according to temperature deviation.
In the process of running, the high pressure gaseous refrigerant in compressor 10 can lead to the air-conditioning refrigerator all-in-one of the present invention
Cross bypass line and flow into defrosting area from the exhaust ports of compressor 10, so as to make temperature in defrosting area 42 rise, reach defrosting
The cryogenic high pressure gaseous coolant cooled down after purpose, defrosting is exported by defrosting area and bypass line is returned in compressor 10, because
This thaws without electrical heating in the present invention, can not only save defrosting cost, additionally it is possible to improve defrosting efficiency, and reduction, which is thawed, to consume
Can, it is to avoid the safety issue that electric leakage triggers occurs.
Because when air-conditioning refrigerator all-in-one is started shooting and run, indoor heat exchanger 30 shuts down, by the first by-passing valve 01 and second
Port valve 02 opens 1/4, and the high frequency of compressor 10 is run, therefore is divided into two parts to the condensation heat release of air-conditioning, and a part of refrigerant leads to
Cross bypass line and condense heat release in defrosting area 42, a part of refrigerant condenses heat release at outdoor heat exchanger 20, correspondingly, entered
Refrigerant at outdoor heat exchanger 20 can be reduced, and be thawed to reduce the operation of defrosting area 42 to the unfavorable shadow caused by refrigeration for refrigerator
Ring, the first by-passing valve 01 of control and the second by-passing valve 02 are a kind of simple and effective methods.By by the first by-passing valve 01 and
The aperture of two by-passing valves 02 is controlled 1/4, can reduce the flow that refrigerant flows back from bypass line so that refrigerant still largely leads to
Cross outdoor heat exchanger 20 and carry out heat release, so as to freeze to the freeze space 412 and chill space 411 of refrigerator, due to the first bypass
The aperture of the by-passing valve 02 of valve 01 and second is smaller, therefore, it is possible on the basis of preferentially freezing to refrigerator, while to thawing
Food in area 42 etc. is slowly thawed, and not only reduces the influence to refrigeration for refrigerator, and can improve air-conditioning refrigerator one
The operational efficiency of body machine.
The step of being controlled according to temperature deviation to air-conditioning refrigerator all-in-one includes：When indoor deviation is less than T1, control
The first control valve, the second control valve, the 4th control valve and the 6th control valve standard-sized sheet are made, the 3rd control valve opens a/b, control first
By-passing valve and the second by-passing valve standard-sized sheet, the 5th control valve and the 7th control valve are closed, the operation of compressor high frequency.
When indoor temperature deviation reaches setting deviation range, now indoor temperature has substantially achieved user's requirement,
The refrigeration needs of user can both have been met by only needing to less heat, and the burden of compressor reduces, therefore can now open the
One by-passing valve 01 and the second by-passing valve 02 so that bypass line is connected, while controlling the 3rd control valve to open a/b so that indoor
30 operation sub-loads of heat exchanger, reduce the live load of compressor so that compressor meets indoor refrigeration and refrigeration for refrigerator
Outside other loads can distribute to bypass line, realization is thawed to the food in defrosting area 42, raising air-conditioning refrigerator
The operational efficiency of all-in-one.
Progress control method also includes：When indoor deviation is more than or equal to T1, the first control valve of control, the second control
Valve, the 3rd control valve, the 4th control valve and the 6th control valve standard-sized sheet, the 5th control valve of control and the 7th control valve are closed, control
First by-passing valve and the second by-passing valve are closed, the high frequency operation of control compressor, are kept indoor heat exchanger refrigerating operaton, are made air-conditioning ice
Case all-in-one enters normal indoor heat exchanger and refrigeration for refrigerator state.
When temperature deviation is more than or equal to T1, illustrate that the temperature of interior does not still adjust the temperature needed for user, because
This now still needs continuation and keeps indoor refrigeration to run with all strength, therefore remains in that the first control valve 1, the second control valve 2, the
Three control valves 3, the 4th control valve 4 and the standard-sized sheet of the 6th control valve 6 so that indoor heat exchanger and refrigerator continue to freeze with all strength, first
The by-passing valve 02 of by-passing valve 01 and second continues to close so that defrosting area 42 does not still run defrosting, realizes the quick of indoor temperature
Regulation, until when indoor temperature bias adjustment is to setting range, row control again in a manner mentioned above.
Preferably, T1 is, for example, 2 DEG C, and a/b is a ratio less than 1, and the value is, for example, 1/2, is specifically needed according to room
Depending on what interior refrigeration and defrosting area thawed meets distribution.
The step of being controlled according to temperature deviation to air-conditioning refrigerator all-in-one also includes：When detecting the temperature of defrosting area 42
More than T2 and when continuing t2 times, the first by-passing valve 01 of control and the second by-passing valve 02 are closed；Control the first control valve 1, second
Control valve 2, the 3rd control valve 3, the 4th control valve 4, the 6th control valve 6 are opened, the 5th control valve 5 of control and the 7th control valve 7
Close；The low-frequency operation of compressor 10 is controlled, makes the operation refrigeration of indoor heat exchanger 30.
When the temperature of defrosting area 42 reaches design temperature T2 and continues t1 times, it is believed that food in defrosting area 42 etc.
Thaw completely, therefore now can close the first by-passing valve 01 and the second by-passing valve 02, together without opening bypass line again
When requirement, refrigeration demand reduction are reached due to indoor temperature and refrigeration area temperature, therefore compressor 10 can be controlled to enter
Low-frequency operation state so that the power consumption reduction of compressor, improves the overall operation efficiency of air-conditioning refrigerator all-in-one.
Preferably, T2 is 20 DEG C, and t1 is 10min.
Above-mentioned concrete numerical value is preferred embodiment, and actual numerical value can be according to the reality of air-conditioning refrigerator all-in-one
Operation conditions is adjusted, so that refrigerator and air conditioner all-in-one can operate in high energy efficiency state all the time.
It should be appreciated that the invention is not limited in the flow and structure for being described above and being shown in the drawings,
And various modifications and changes can be being carried out without departing from the scope.The scope of the present invention is only limited by appended claim
System.
Claims (6)
1. a kind of progress control method of air-conditioning refrigerator all-in-one, it is characterised in that including：
Start air-conditioning refrigerator all-in-one and run refrigeration mode；
The first by-passing valve and the second by-passing valve is controlled to open 1/4, the operation of control defrosting area is thawed；
The first control valve, the second control valve, the 3rd control valve, the 4th control valve, the 6th control valve is controlled to open, control the 5th is controlled
Valve processed and the 7th control valve are closed；
The operation of compressor high frequency is controlled, makes indoor heat exchanger refrigerating operaton；
Obtain the temperature deviation between indoor temperature and design temperature；
Air-conditioning refrigerator all-in-one is controlled according to temperature deviation.
2. progress control method according to claim 1, it is characterised in that it is described according to temperature deviation to air-conditioning refrigerator one
The step of body machine is controlled includes：
When indoor deviation is less than T1, the first control valve of control, the second control valve, the 4th control valve and the 6th control valve standard-sized sheet,
3rd control valve opens a/b, the first by-passing valve of control and the second by-passing valve standard-sized sheet, and the 5th control valve and the 7th control valve are closed,
Compressor high frequency is run.
3. progress control method according to claim 2, it is characterised in that the progress control method also includes：
When indoor deviation is more than or equal to T1, the first control valve of control, the second control valve, the 3rd control valve, the 4th control valve
With the 6th control valve standard-sized sheet, the 5th control valve of control and the 7th control valve are closed, and the first by-passing valve of control and the second by-passing valve are closed
Close, the high frequency operation of control compressor keeps indoor heat exchanger refrigerating operaton, air-conditioning refrigerator all-in-one is exchanged heat into normal indoor
Device and refrigeration for refrigerator state.
4. progress control method according to claim 3, it is characterised in that T1 is 2 DEG C, and a/b is 1/2.
5. progress control method according to claim 1, it is characterised in that it is described according to temperature deviation to air-conditioning refrigerator one
The step of body machine is controlled also includes：
When detecting defrosting area temperature more than T2 and when continuing t1 times, the first by-passing valve of control and the second by-passing valve are closed；
The first control valve, the second control valve, the 3rd control valve, the 4th control valve, the 6th control valve is controlled to open, control the 5th is controlled
Valve processed and the 7th control valve are closed；
Compressor low-frequency operation is controlled, makes indoor heat exchanger operation refrigeration.
6. progress control method according to claim 5, it is characterised in that T2 is 20 DEG C, and t1 is 10min.
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| CN201710214490.9A CN107062477B (en) | 2017-04-01 | 2017-04-01 | The progress control method of air-conditioning refrigerator all-in-one machine |
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| CN201710214490.9A CN107062477B (en) | 2017-04-01 | 2017-04-01 | The progress control method of air-conditioning refrigerator all-in-one machine |
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| CN107062477A true CN107062477A (en) | 2017-08-18 |
| CN107062477B CN107062477B (en) | 2019-10-01 |
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