CN107023914A - 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
- Publication number
- CN107023914A CN107023914A CN201710213751.5A CN201710213751A CN107023914A CN 107023914 A CN107023914 A CN 107023914A CN 201710213751 A CN201710213751 A CN 201710213751A CN 107023914 A CN107023914 A CN 107023914A
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- Prior art keywords
- control valve
- control
- valve
- passing
- space
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
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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
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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 close;The first control valve, the 4th control valve, the 6th control valve is controlled to open, the second control valve of control, the 3rd control valve, the 5th control valve and the 7th control valve are closed;The operation of compressor high frequency is controlled, indoor heat exchanger is shut down;Detect the temperature of freeze space and chill space;Reach that the time control defrosting area of design temperature is run according to freeze space and chill space to thaw.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 close;Control the first control valve,
Four control valves, the 6th control valve are opened, and the second control valve of control, the 3rd control valve, the 5th control valve and the 7th control valve are closed;
The operation of compressor high frequency is controlled, indoor heat exchanger is shut down;Detect the temperature of freeze space and chill space;According to freeze space and refrigeration
Area reaches that the time control defrosting area operation of design temperature is thawed.
Preferably, reach that the time control defrosting area of design temperature runs the step of thawing and wrapped according to freeze space and chill space
Include:When freeze space and chill space temperature reach design temperature and continue t2 times, the first control valve of control and the 6th control valve
Standard-sized sheet, the 4th control valve opens c/d, control the first by-passing valve and the second by-passing valve standard-sized sheet, the second control valve, the 3rd control valve,
5th control valve and the 7th control valve are closed, the operation of compressor high frequency.
Preferably, progress control method also includes:When defrosting area temperature reaches design temperature T1 and continues t1 times, control
Make the first control valve, the 4th control valve and the 6th control valve to open, the second control valve of control, the 3rd control valve, the 5th control valve
Closed with the 7th control valve, the high frequency operation of control compressor, the first by-passing valve of control and the second by-passing valve are closed, and keep interior to change
Hot device shutdown, makes air-conditioning refrigerator all-in-one enter normal freezer refrigerating state.
Preferably, c/d is that 1/2, t2 is 10min.
Preferably, T1 is 20 DEG C, and t1 is 10min.
Preferably, when detecting, freeze space and chill space temperature reach design temperature but the duration is not up to the t2 times
When, the first by-passing valve of control and the second by-passing valve open a/b, connect bypass line;Control the first control valve, the 4th control
Valve, the 6th control valve are opened, and the second control valve of control, the 3rd control valve, the 5th control valve and the 7th control valve are closed;Control pressure
Contracting machine high frequency is run, and makes indoor heat exchanger operation refrigeration, and the operation of defrosting area is thawed.
Preferably, a/b is 1/2.
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 30 and refrigerator 40 can be opened simultaneously, realize the refrigeration heated with refrigerator of indoor heat exchanger.
As depicted in figs. 1 and 2, embodiments in accordance with the present invention, the progress control method of air-conditioning refrigerator all-in-one includes:Open
Dynamic air-conditioning refrigerator all-in-one simultaneously runs refrigeration mode;The first by-passing valve 01 and the second by-passing valve 02 is controlled to close;Control first is controlled
Valve 1 processed, the 4th control valve 4, the 6th control valve 6 are opened, the second control valve 2 of control, the 3rd control valve 3, the and of the 5th control valve 55
7th control valve 7 is closed;The operation of the high frequency of compressor 10 is controlled, indoor heat exchanger 30 is shut down;Detect freeze space 412 and chill space
411 temperature;Reach that the time control defrosting area 42 of design temperature is run according to freeze space 412 and chill space 411 to thaw.
In air-conditioning refrigerator all-in-one running, the high pressure gaseous refrigerant in compressor 10 can pass through bypass pipe
Road flows into defrosting area from the exhaust ports of compressor 10, so as to make temperature in defrosting area rise, the purpose of defrosting is reached, after defrosting
The cryogenic high pressure gaseous coolant of cooling is returned in compressor by the outlet and bypass line in defrosting area 42, therefore in the present invention
In thawed 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 leakage
The safety issue that electricity triggers occurs.
When air-conditioning refrigerator all-in-one is run, the first by-passing valve 01 and the second by-passing valve 02 are closed, and bypass line is closed, first not
Food in defrosting area 42 etc. is thawed.First control valve 1, the 4th control valve 4 and the 6th control valve 6 are opened, the second control
Valve 2 processed, the 3rd control valve 3, the 5th control valve 5 and the 7th control valve 7 are closed, and now refrigerant is discharged from the exhaust outlet of compressor 10
Afterwards, it is divided into two-way after outdoor heat exchanger 20 and electric expansion valve, through the first control valve after the 4th control valve 4 and refrigeration area 41
1 flows back into the gas returning port of compressor 10, and air conditioner coolant is entered at refrigeration area 41 after the exothermic condensation of outdoor heat exchanger 20
Evaporation endothermic, freezes, now indoor heat exchanger is not run, and bypass line is not run, compressor to the refrigeration area 41 of refrigerator
10 high frequencies are run, and air-conditioning refrigerator all-in-one freezes to refrigeration area 41 with all strength, realize the fast-refrigerating of refrigeration area 41, improve system
Cold efficiency.
Reach that the time control defrosting area of design temperature runs the step of thawing and included according to freeze space and chill space:When cold
When freezing area and chill space temperature and reaching design temperature and continue t2 times, the first control valve 1 of control and the standard-sized sheet of the 6th control valve 6,
4th control valve 5 opens c/d, the first by-passing valve 01 of control and the standard-sized sheet of the second by-passing valve 02, the second control valve 2, the 3rd control valve
3rd, the 5th control valve 5 and the 7th control valve 7 are closed, the operation of the high frequency of compressor 10.
When freeze space 412 and the temperature of chill space 411 reach design temperature and continue t2 times, illustrate the temperature of refrigeration area
It has been stabilized to up to design temperature, therefore can have ensured that refrigeration for refrigerator area 41 disclosure satisfy that the temperature requirement of food storage, now
The first control valve 1 and the standard-sized sheet of the 6th control valve 6 are controlled, the 4th control valve 5 opens c/d, can reduce the aperture of the 4th control valve,
Reduce the heat exchange amount demand of outdoor heat exchanger 20 so that refrigeration area 41 maintains cryogenic temperature.When freeze space 412 and chill space 411
Temperature reaches design temperature and continued after the t2 times, and now food has been completed to refrigerate or freezed, if necessary to enter to food
Row thaws, then needs food being transferred at defrosting area 42, then control the first by-passing valve 01 and the standard-sized sheet of the second by-passing valve 02, right
The all one's effort of defrosting area 42 starts to thaw, and meets the defrosting demand of user.
Progress control method also includes:When defrosting area temperature reaches design temperature T1 and continues t1 times, control first
Control valve 1, the 4th control valve 4 and the 6th control valve 6 are opened, the second control valve 2 of control, the 3rd control valve 3, the 5th control valve 4
Closed with the 7th control valve 7, the high frequency operation of control compressor 10, the first by-passing valve 01 of control and the second by-passing valve 02 are closed, protected
Indoor heat exchanger shutdown is held, air-conditioning refrigerator all-in-one is entered normal freezer refrigerating state.When defrosting area temperature reaches setting temperature
Degree T1 simultaneously continues the t1 times, then illustrates that the food in defrosting area has completed defrosting, can stop the defrosting in defrosting area 42, reduce
The operational energy efficiency of air-conditioning refrigerator all-in-one, therefore the first by-passing valve 01 and the second by-passing valve 02 can be now closed, keep indoor
Heat exchanger shuts down, and air-conditioning refrigerator all-in-one is entered normal freezer refrigerating state so that air-conditioning refrigerator all-in-one operates in higher
Energy efficiency state.
Preferably, c/d is that 1/2, t2 is 10min.
Preferably, T1 is 20 DEG C, and t1 is 10min.
Design temperature is reached when detecting freeze space and chill space temperature but when the duration is not up to t2 times, control the
One by-passing valve and the second by-passing valve open a/b, connect bypass line;Control the first control valve, the 4th control valve, the 6th control
Valve is opened, and the second control valve of control, the 3rd control valve, the 5th control valve and the 7th control valve are closed;Control compressor high frequency fortune
OK, freeze space 412 and chill space 411 is made to run refrigeration, the operation of defrosting area is thawed.
If freeze space 412 and the temperature of chill space 411 are not adjusted in place, outdoor heat exchanger 20 now should be remained in that most
Big heat exchange operation so that freeze space 412 and the temperature of chill space 411 can quick regulation in place, meet the use requirement of user, when
Freeze space 412 and the temperature adjustment of chill space 411 in place after, it is possible to subsequent adjustment is proceeded according to above-mentioned regulative mode,
Ensure that air-conditioning refrigerator all-in-one operates in higher energy efficiency state.
Preferably, a/b is 1/2.It should be noted that a/b and c/d are the ratio less than 1.
Certainly, above-mentioned operational factor numerical value be for example, do not play restriction effect to the solution of the present invention, this
A little parameters can be adjusted according to the operation conditions of air-conditioning refrigerator all-in-one so that air-conditioning refrigerator all-in-one can be run
In higher energy efficiency.
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 (7)
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 close;
The first control valve, the 4th control valve, the 6th control valve is controlled to open, the second control valve of control, the 3rd control valve, the 5th control
Valve processed and the 7th control valve are closed;
The operation of compressor high frequency is controlled, indoor heat exchanger is shut down;
Detect the temperature of freeze space and chill space;
Reach that the time control defrosting area of design temperature is run according to freeze space and chill space to thaw.
2. progress control method according to claim 1, it is characterised in that described reached according to freeze space and chill space sets
The step of time control defrosting area operation of constant temperature degree is thawed includes:
When freeze space and chill space temperature reach design temperature and continue t2 times, the first control valve of control and the 6th control valve
Standard-sized sheet, the 4th control valve opens c/d, control the first by-passing valve and the second by-passing valve standard-sized sheet, the second control valve, the 3rd control valve,
5th control valve and the 7th control valve are closed, the operation of compressor high frequency.
3. progress control method according to claim 2, it is characterised in that the progress control method also includes:
When defrosting area temperature reaches design temperature T1 and continues t1 times, the first control valve of control, the 4th control valve and the 6th
Control valve is opened, and the second control valve of control, the 3rd control valve, the 5th control valve and the 7th control valve are closed, and control compressor is high
Frequency is run, and the first by-passing valve of control and the second by-passing valve are closed, and is kept indoor heat exchanger shutdown, is entered air-conditioning refrigerator all-in-one
Normal freezer refrigerating state.
4. progress control method according to claim 2, it is characterised in that c/d is that 1/2, t2 is 10min.
5. progress control method according to claim 3, it is characterised in that T1 is 20 DEG C, and t1 is 10min.
6. progress control method according to claim 1, it is characterised in that when detecting freeze space and chill space temperature is arrived
When being not up to t2 times up to design temperature but duration, the first by-passing valve of control and the second by-passing valve open a/b, make bypass pipe
Road is connected;
The first control valve, the 4th control valve, the 6th control valve is controlled to open, the second control valve of control, the 3rd control valve, the 5th control
Valve processed and the 7th control valve are closed;
The operation of compressor high frequency is controlled, makes indoor heat exchanger operation refrigeration, the operation of defrosting area is thawed.
7. progress control method according to claim 6, it is characterised in that a/b is 1/2.
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CN202361545U (en) * | 2011-12-04 | 2012-08-01 | 东华大学 | Frequency conversion and fixed frequency combined-type air conditioner and refrigerator all-in-one machine with human body infrared induction function |
JP2016099015A (en) * | 2014-11-18 | 2016-05-30 | 富士電機株式会社 | Refrigerant circuit device |
CN205425239U (en) * | 2015-11-26 | 2016-08-03 | 江苏新科电器有限公司 | Air conditioner and refrigerator all -in -one machine |
CN106225392A (en) * | 2016-08-29 | 2016-12-14 | 童杨益 | A kind of multifunctional intellectual refrigerator |
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