CN106885346B - The progress control method of air-conditioning refrigerator all-in-one machine - Google Patents
The progress control method of air-conditioning refrigerator all-in-one machine Download PDFInfo
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- CN106885346B CN106885346B CN201710214489.6A CN201710214489A CN106885346B CN 106885346 B CN106885346 B CN 106885346B CN 201710214489 A CN201710214489 A CN 201710214489A CN 106885346 B CN106885346 B CN 106885346B
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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
- F24F11/62—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
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- 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
- 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
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
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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
- F24F11/62—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
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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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
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Atmospheric Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of progress control methods of air-conditioning refrigerator all-in-one machine, comprising: starting air-conditioning refrigerator all-in-one machine simultaneously runs refrigeration mode；It controls the first by-passing valve and the second by-passing valve is closed, control bypass line is closed；It controls the first control valve, the second control valve, third control valve, the 4th control valve, the 6th control valve to open, controls the 5th control valve and the 7th control valve is closed；The operation of compressor high frequency is controlled, indoor heat exchanger operation refrigeration is made；Obtain the temperature deviation between room temperature and set temperature；Air-conditioning refrigerator all-in-one machine is controlled according to temperature deviation.It thaws in the present invention without electric heating, defrosting cost can not only be saved, additionally it is possible to improve defrosting efficiency, reduce energy consumption of thawing, the safety issue for avoiding electric leakage from causing 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 machine is controlled
Method.
Background technique
Existing air conditioner and refrigerator are the independent refrigeration equipment of two pieces, and air-conditioning uses the time average less than 30% throughout the year, ice
Case utilization rate is relatively long, but is substantially at off-mode in winter in northern refrigerator.Two pieces refrigeration appliance whole year utilization rate
It is not high, if it is possible to be combined into one, then a large amount of energy and material cost will be saved.
Existing refrigerator generally uses electric heating to thaw, and not only thaws at high cost, and energy consumption is high, and be easy to happen electric leakage etc.
It is dangerous.
Summary of the invention
The purpose of the present invention is to propose to a kind of progress control methods of air-conditioning refrigerator all-in-one machine, thaw at low cost, effect of thawing
Rate is high, consumes energy lower, and safety 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 machine, comprising: starting
Air-conditioning refrigerator all-in-one machine simultaneously runs refrigeration mode；It controls the first by-passing valve and the second by-passing valve is closed, control bypass line is closed；
It controls the first control valve, the second control valve, third control valve, the 4th control valve, the 6th control valve to open, controls the 5th control valve
It is closed with the 7th control valve；The operation of compressor high frequency is controlled, indoor heat exchanger operation refrigeration is made；Obtain room temperature and setting temperature
Temperature deviation between degree；Air-conditioning refrigerator all-in-one machine is controlled according to temperature deviation.
Preferably, the step of being controlled according to temperature deviation air-conditioning refrigerator all-in-one machine includes: when temperature deviation is less than
When T1, the first control valve of control, the second control valve, the 4th control valve and the 6th control valve standard-sized sheet, third 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 further include: when temperature deviation is greater than or equal to T1, the first control valve of control, the
Two control valves, third control valve, the 4th control valve and the 6th control valve standard-sized sheet, control the 5th control valve and the 7th control valve closes
It closes, controls the first by-passing valve and the second by-passing valve is closed, control compressor high frequency operation keeps indoor heat exchanger refrigerating operaton,
Air-conditioning refrigerator all-in-one machine is set to enter normal air-conditioning refrigerator refrigerating state.
Preferably, T1 is 2 DEG C, a/b 1/2.
Preferably, the step of air-conditioning refrigerator all-in-one machine being controlled according to temperature deviation further include: thaw when detecting
When area's temperature is greater than T2 and continues the t2 time, controls the first by-passing valve and the second by-passing valve is closed；Control the first control valve, second
Control valve, third control valve, the 4th control valve, the 6th control valve are opened, and control the 5th control valve and the 7th control valve is closed；Control
Compressor low-frequency operation processed makes indoor heat exchanger operation refrigeration.
Preferably, T2 is 20 DEG C, t1 10min.
Above-mentioned technical proposal according to the present invention, the present invention in the process of running, can judge according to room temperature deviation
The time in defrosting area is opened, preferentially room temperature can be regulated and controled, so that room temperature when temperature deviation is larger indoors
Set temperature can be quickly reached, user usage requirements is met, hereafter can open defrosting area, defrosting area is carried out at defrosting
Reason improves the operational energy efficiency of air-conditioning refrigerator all-in-one machine.After starting defrosting area, the high pressure gaseous refrigerant in compressor can
Defrosting area is flowed into from the exhaust ports of compressor by bypass line, so that temperature in defrosting area be enabled to rise, reaches the mesh of defrosting
, cooling cryogenic high pressure gaseous coolant is exported by defrosting area after defrosting and bypass line returns in compressor, therefore
It thaws in the present invention without electric heating, defrosting cost can not only be saved, additionally it is possible to defrosting efficiency is improved, energy consumption of thawing is reduced,
The safety issue for avoiding electric leakage from causing occurs.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is a kind of structural schematic diagram of air-conditioning refrigerator all-in-one machine 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 machine of the embodiment of the present invention.
Description of symbols: 10, compressor；20, outdoor heat exchanger；30, indoor heat exchanger；40, refrigerator；41, refrigeration area；
411, chill space；412, freeze space；42, defrosting area；50, four-way reversing valve；60, throttling set；01, the first by-passing valve；02,
Two by-passing valves；1, the first control valve；2, the second control valve；3, third control valve；4, the 4th control valve；5, the 5th control valve；6,
6th control valve；7, the 7th control valve.
Specific embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Practice them.Other embodiments may include structure, logic, it is electrical, process and other change.Embodiment
Only represent possible variation.Unless explicitly requested, otherwise individual components and functionality is optional, and the sequence operated can be with
Variation.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This hair
The range of bright embodiment includes equivalent obtained by the entire scope of claims and all of claims
Object.Herein, each embodiment individually or can be indicated 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 range for being not meant to automatically limit the application is any single invention
Or inventive concept.Herein, relational terms such as first and second and the like be used only for by an entity or operation with
Another entity or operation distinguish, and without requiring or implying, there are any actual relationships between these entities or operation
Or sequence.Moreover, the terms "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, thus
So that process, method or equipment including a series of elements not only include those elements, but also including being not explicitly listed
Other element, or further include for this process, method or the intrinsic element of equipment.In the feelings not limited more
Under condition, the element that is limited by sentence "including a ...", it is not excluded that in process, method or equipment including the element
In there is also other identical elements.Each embodiment herein is described in a progressive manner, and each embodiment stresses
Be the difference from other embodiments, the same or similar parts in each embodiment may refer to each other.For implementing
For method, product etc. disclosed in example, since it is corresponding with method part disclosed in embodiment, so the comparison of description is simple
Single, reference may be made to the description of the method.
In conjunction with shown in Figure 1, the embodiment of the invention provides a kind of air-conditioning refrigerator all-in-one machines, 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 corresponding freeze space 412 in defrosting area 42 are arranged, and are connected with bypass pipe between compressor 10 and defrosting area 42
Road, wherein the exhaust outlet of compressor 10 is 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 by bypass line, enable solution
Freeze temperature in area 42 to rise, achieve the purpose that defrosting, cooling gas can be exported and be bypassed by defrosting area 42 after defrosting
Pipeline, which returns in compressor 10, re-starts compression, therefore thaws in the present invention without electric heating, can not only save defrosting
Cost, additionally it is possible to improve defrosting efficiency, reduce energy consumption of thawing, the safety issue for avoiding electric leakage from causing occurs.
Optionally, as shown in Figure 1, in the above-described embodiments, being provided on the bypass line of the exhaust ports of compressor 10
The aperture of first by-passing valve 01, the first by-passing valve 01 is adjustable.
In the above-described embodiments, air-conditioning refrigerator all-in-one machine can control compression by controlling the folding of the first by-passing valve 01
Whether the high pressure gaseous refrigerant in machine 10, which passes through bypass line, flow to defrosting area 42, when the first by-passing valve 01 is opened, also
The flow of the high pressure gaseous refrigerant in defrosting area 42 can be flowed by the aperture of the first by-passing valve 01 of control, control, not only
It can satisfy the food thawing demand of different phase, additionally it is possible to which energy-efficient effect 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 energy-efficient effect.
Optionally, it is 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 50, refrigeration area 41 passes through first interface of first piping connection to four-way reversing valve 50, the first end of indoor heat exchanger 30
By the second piping connection to the first interface of four-way reversing valve 50, it is connected between outdoor heat exchanger 20 and indoor heat exchanger 30
6th pipeline, the first end of the 6th pipeline are connected to outdoor heat exchanger 20, and the second end of the 6th pipeline passes through third piping connection
To the second end of indoor heat exchanger 30, the second end of the 6th pipeline passes through the 4th piping connection to refrigeration area 41, indoor heat exchanger
30 first end passes through the second interface of the 5th piping connection to four-way reversing valve, is provided with the first control valve 1 on the first pipeline,
It is provided with the second control valve 2 on second pipeline, third control valve 3 is provided on third pipeline, is provided with the 4th on the 4th pipeline
Control valve 4 is provided with the 5th control valve 5 on the 5th pipeline, is provided with the 6th control valve 6 and throttling set 60 on the 6th pipeline.
In the above-described embodiments, air-conditioning refrigerator all-in-one machine is controlled by the second control valve 2 of control, third control valve the 3, the 6th
The switch of valve 6 can control the switch of indoor heat exchanger 30, indoors in 30 operational process of heat exchanger, be changed by controlling four-way
Commutation to valve 50 can control the refrigeration and heating switching of indoor heat exchanger 30.Pass through control the first control valve the 1, the 6th control
The switch of valve 6 and the 4th control valve 4 processed can control the switch and refrigeration of refrigerator 40.Wherein, throttling set 60 can be electronics
The devices such as expansion valve, capillary, it is not limited here, as long as can achieve the purpose that throttling.
Optionally, as shown in Figure 1, the second end of air-conditioning indoor heat exchanger 30 is also connected with the 7th pipeline, the 7th pipeline
The other end is connected on the 6th pipeline between the 6th control valve 6 and throttling set 60, and the 7th control is provided on 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 can open simultaneously indoor heat exchanger and refrigerator, realize the heating of indoor heat exchanger and the refrigeration of refrigerator.
In conjunction with referring to figure 1 and figure 2, according to an embodiment of the invention, the progress control method of air-conditioning refrigerator all-in-one machine
Include: starting air-conditioning refrigerator all-in-one machine and runs refrigeration mode；It controls the first by-passing valve and the second by-passing valve is closed；Control first
Control valve, the second control valve, third control valve, the 4th control valve, the 6th control valve are opened, and the 5th control valve and the 7th control are controlled
Valve processed is closed；The operation of compressor high frequency is controlled, indoor heat exchanger is made to shut down；Obtain the temperature between room temperature and set temperature
Deviation；Air-conditioning refrigerator all-in-one machine is controlled according to temperature deviation.
Air-conditioning refrigerator all-in-one machine in the process of running, can judge the time for opening defrosting area according to room temperature deviation,
Preferentially room temperature can be regulated and controled, room temperature is enabled quickly to reach setting when temperature deviation is larger indoors
Temperature meets user usage requirements, hereafter can open defrosting area, carries out defrosting processing to defrosting area, improves air-conditioning refrigerator one
The operational energy efficiency of body machine.After starting defrosting area, high pressure gaseous refrigerant in compressor can be by bypass line from pressure
The exhaust ports of contracting machine flow into defrosting area, so that temperature in defrosting area be enabled to rise, achieve the purpose that defrosting, cooling is low after defrosting
Warm high-pressure gaseous refrigerant is exported by defrosting area and bypass line returns in compressor, therefore is not necessarily to electric heating in the present invention
It thaws, defrosting cost can not only be saved, additionally it is possible to defrosting efficiency is improved, energy consumption of thawing is reduced, the safety for avoiding electric leakage from causing
Property problem occur.
In refrigerator and air conditioner all-in-one machine operational process, the first by-passing valve 01 and the second by-passing valve 02 are closed, and bypass line closes
It closes, the high temperature and pressure refrigerant in compressor 10 can not flow through defrosting area 42, exchange heat with defrosting area 42, in defrosting area 42
Food etc. thaws, thus the area of defrosting at this time 42 and without thaw operate.First control valve 1, the second control valve 2, third
Control valve 3, the 4th control valve 4 and the 6th control valve 6 are opened, and the 5th control valve 5 and the 7th control valve 7 are closed, at this time refrigerant from
After the exhaust outlet discharge of compressor 10, two-way is divided into after outdoor heat exchanger 20 and electric expansion valve, all the way through third control valve 3
With the gas returning port for flowing back into compressor 10 from the second control valve 2 to external heat exchanger, another way is through the 4th control valve 4 and refrigeration area 41
The gas returning port of compressor 10 is flow back by the first control valve 1, air conditioner coolant divides after 20 exothermic condensation of outdoor heat exchanger
Evaporation endothermic at indoor heat exchanger 30 and refrigeration area 41 is not entered, is freezed to interior, while to the refrigeration area of refrigerator 41
Freeze, realizes that air-conditioning refrigerator is run simultaneously.After room temperature deviation reduces to a certain extent, so that it may according to temperature
Range locating for deviation is adjusted the operation of air-conditioning refrigerator all-in-one machine, so that air-conditioning refrigerator all-in-one machine is able to carry out reasonable fortune
Row regulation, so that the load of compressor obtains more reasonably distributing, enables air-conditioning refrigerator all-in-one machine to operate in higher
Efficiency.
The step of being controlled according to temperature deviation air-conditioning refrigerator all-in-one machine includes: the control when temperature deviation is less than T1
The first control valve, the second control valve, the 4th control valve and the 6th control valve standard-sized sheet are made, third 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 room temperature deviation reaches setting deviation range, indoor temperature has substantially achieved user's requirement at this time,
Only needing less heat both can satisfy the refrigeration needs of user, and the burden of compressor reduces, therefore can open the at this time
One by-passing valve 01 and the second by-passing valve 02, so that bypass line is connected to, while being controlled third control valve and being opened a/b, so that indoor
30 operation sub-loads of heat exchanger, reduce the workload of compressor, so that compressor meets indoor refrigeration and refrigeration for refrigerator
Except other loads can distribute to bypass line, realization thaws to the food in defrosting area 42, improves air-conditioning refrigerator
The operational efficiency of all-in-one machine.
Progress control method further include: when temperature deviation is greater than or equal to T1, the first control valve of control, the second control
Valve, third control valve, the 4th control valve and the 6th control valve standard-sized sheet, control the 5th control valve and the 7th control valve is closed, control
First by-passing valve and the second by-passing valve are closed, and control compressor high frequency operation keeps indoor heat exchanger shutdown, makes air-conditioning refrigerator one
Body machine enters normal freezer refrigerating state.
When temperature deviation is greater than or equal to T1, illustrate temperature needed for indoor temperature does not still adjust user, because
This still needs at this time continues to keep indoor refrigeration to run with all strength, therefore still maintains the first control valve 1, the second control valve 2, the
Three control valves 3, the 4th control valve 4 and 6 standard-sized sheet of the 6th control valve, so that indoor heat exchanger and refrigerator continue to freeze with all strength, first
By-passing valve 01 and the second by-passing valve 02 continue to close, so that defrosting area 42 does not still run defrosting, realize the quick of room temperature
Adjust, until room temperature bias adjustment arrive setting range when, in a manner mentioned above again row control.
Preferably, T1 is, for example, 2 DEG C, and a/b is a ratio less than 1, which is, for example, 1/2, specific to need according to room
Depending on what interior refrigeration and defrosting area thawed meets distribution.
The step of air-conditioning refrigerator all-in-one machine is controlled according to temperature deviation further include: when detecting 42 temperature of defrosting area
When greater than T2 and continuing the t2 time, controls the first by-passing valve 01 and the second by-passing valve 02 is closed；Control the first control valve 1, second
Control valve 2, third control valve 3, the 4th control valve 4, the 6th control valve 6 are opened, and the 5th control valve 5 and the 7th control valve 7 are controlled
It closes；10 low-frequency operation of compressor is controlled, the operation refrigeration of indoor heat exchanger 30 is made.
When defrosting area, 42 temperature reaches set temperature T2 and continues the t1 time, it is believed that the food etc. in defrosting area 42
It thaws completely, therefore no longer needs to open bypass line at this time, the first by-passing valve 01 and the second by-passing valve 02 can be closed, together
When requirement reached due to room temperature and refrigeration area temperature, refrigeration demand reduces, therefore can control the entrance of compressor 10
Low-frequency operation state improves the overall operation efficiency of air-conditioning refrigerator all-in-one machine so that the energy consumption of compressor reduces.
Preferably, T2 is 20 DEG C, t1 10min.
Above-mentioned specific value is preferred embodiment, and actual numerical value can be according to the reality of air-conditioning refrigerator all-in-one machine
Operation conditions is adjusted, so that refrigerator and air conditioner all-in-one machine can operate in high energy efficiency state always.
It should be understood that the invention is not limited to the process and structure that are described above and are shown in the accompanying drawings,
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is only limited by the attached claims
System.
Claims (6)
1. a kind of progress control method of air-conditioning refrigerator all-in-one machine, which is characterized in that the air-conditioning refrigerator all-in-one machine includes compression
Machine, outdoor heat exchanger, four-way reversing valve, indoor heat exchanger and refrigerator, the refrigerator include refrigeration area and defrosting area, the refrigeration
Area includes freeze space and chill space, and bypass line, the exhaust outlet of the compressor are connected between the compressor and defrosting area
The entrance in defrosting area is connected to by bypass line, the gas returning port of the compressor is connected to going out for defrosting area by bypass line
Mouthful；The four-way reversing valve, the system are connected between the compressor and the indoor heat exchanger and the outdoor heat exchanger
Cold-zone passes through the first interface of the first piping connection to the four-way reversing valve, and the first end of the indoor heat exchanger passes through second
Piping connection is connected with to the first interface of the four-way reversing valve between the outdoor heat exchanger and the indoor heat exchanger
Six pipelines, the first end of the 6th pipeline are connected to the outdoor heat exchanger, and the second end of the 6th pipeline passes through third piping connection
To the second end of the indoor heat exchanger, the second end of the 6th pipeline passes through the 4th piping connection to the refrigeration area, the room
The first end of interior heat exchanger is provided with the on the first pipeline by the second interface of the 5th piping connection to the four-way reversing valve
One control valve is provided with the second control valve on the second pipeline, third control valve is provided on third pipeline, is arranged on the 4th pipeline
There is the 4th control valve, the 5th control valve is provided on the 5th pipeline, is provided with the 6th control valve and throttling set on the 6th pipeline；
The second end of the indoor heat exchanger is also connected with the 7th pipeline, and the other end of the 7th pipeline is connected to the 6th control valve and throttling
On the 6th pipeline between device, the 7th control valve is provided on the 7th pipeline；The bypass pipe of the exhaust ports of the compressor
Road is provided with the first by-passing valve, and the aperture of the first by-passing valve is adjustable；It is set on bypass line at the gas returning port of the compressor
It is equipped with the second by-passing valve, the aperture of the second by-passing valve is adjustable；
The progress control method includes:
Start the air-conditioning refrigerator all-in-one machine and runs refrigeration mode；
It controls first by-passing valve and second by-passing valve is closed, control bypass line is closed；
Control first control valve, second control valve, the third control valve, the 4th control valve, the described 6th
Control valve is opened, and controls the 5th control valve and the 7th control valve is closed；
The compressor high frequency operation is controlled, the indoor heat exchanger operation refrigeration is made；
Obtain the temperature deviation between room temperature and set temperature；
The air-conditioning refrigerator all-in-one machine is controlled according to temperature deviation.
2. progress control method according to claim 1, which is characterized in that it is described according to temperature deviation to the air-conditioning ice
The step of case all-in-one machine is controlled include:
When temperature deviation is less than T1, first control valve, second control valve, the 4th control valve and described are controlled
6th control valve standard-sized sheet, the third control valve open a/b, control first by-passing valve and the second by-passing valve standard-sized sheet,
5th control valve and the 7th control valve are closed, the compressor high frequency operation；
Wherein, a/b < 1.
3. progress control method according to claim 2, which is characterized in that the progress control method further include:
When temperature deviation is greater than or equal to T1, first control valve, second control valve, third control are controlled
Valve, the 4th control valve and the 6th control valve standard-sized sheet, control the 5th control valve and the 7th control valve is closed,
It controls first by-passing valve and second by-passing valve is closed, control the compressor high frequency operation, the interior is kept to change
Hot device refrigerating operaton makes the air-conditioning refrigerator all-in-one machine enter normal air-conditioning refrigerator refrigerating state.
4. progress control method according to claim 3, which is characterized in that T1 is 2 DEG C, a/b 1/2.
5. progress control method according to claim 1, which is characterized in that it is described according to temperature deviation to the air-conditioning ice
The step of case all-in-one machine is controlled further include:
When detecting that defrosting area temperature is greater than T2 and continues the t2 time, control by first by-passing valve and described second
Port valve is closed；
Control first control valve, second control valve, the third control valve, the 4th control valve, the described 6th
Control valve is opened, and controls the 5th control valve and the 7th control valve is closed；
The compressor low-frequency operation is controlled, the indoor heat exchanger operation refrigeration is made.
6. progress control method according to claim 5, which is characterized in that T2 is 20 DEG C, t1 10min.
Priority Applications (1)
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