CN109798701A - Air-conditioner control system, air conditioning control method and air-conditioning for continuous heating - Google Patents
Air-conditioner control system, air conditioning control method and air-conditioning for continuous heating Download PDFInfo
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- CN109798701A CN109798701A CN201910218610.1A CN201910218610A CN109798701A CN 109798701 A CN109798701 A CN 109798701A CN 201910218610 A CN201910218610 A CN 201910218610A CN 109798701 A CN109798701 A CN 109798701A
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Abstract
The invention discloses a kind of air-conditioner control systems, air conditioning control method and air-conditioning for continuous heating, wherein, the system includes: including compressor, gas-liquid separator, outdoor heat exchanger, and: liquid distributing device, one end is connect with gas-liquid separator, the other end is connect with compressor, is sent into compressor for receiving the liquid refrigerants of gas-liquid separator separates, and after being converted into gaseous coolant.The present invention solves the problems, such as that air-conditioning system is since hydrops or frosting cause fluctuations in indoor temperature larger in the prior art, guarantees that indoor environment temperature is stablized.
Description
Technical field
The present invention relates to air-conditioning technical fields, in particular to a kind of air-conditioner control system for continuous heating, sky
Control method and air-conditioning.
Background technique
Multi-line system requires machine set compressor frequency reducing during heating defrost at present, and four-way valve commutation is completed cold
Matchmaker, which flows to, to be changed, and high temperature refrigerant is made to carry out defrost to outdoor heat exchanger, this process chamber machine is in evaporation side, can not continue to make
Heat causes to fluctuate to indoor environment temperature, largely effects on unit comfort.Meanwhile under cryogenic conditions, unit vapour point is easy to happen
Hydrops, frosting influence the evaporating temperature of system, not can guarantee heating effect.
For the problem that air-conditioning system in the related technology causes fluctuations in indoor temperature larger due to hydrops or frosting, at present still
It does not propose to efficiently solve scheme.
Summary of the invention
The present invention provides a kind of air-conditioner control systems, air conditioning control method and air-conditioning for continuous heating, at least
Solve the problems, such as that air-conditioning system is since hydrops or frosting cause fluctuations in indoor temperature larger in the prior art.
In order to solve the above technical problems, according to an aspect of an embodiment of the present invention, a kind of air-conditioner control system is provided,
Including compressor, gas-liquid separator, outdoor heat exchanger, further includes: liquid distributing device, one end are connect with gas-liquid separator, the other end
It is connect with compressor, is sent into compressor for receiving the liquid refrigerants of gas-liquid separator separates, and after being converted into gaseous coolant.
Further, system further include: the exhaust side of bypass branch, one end and compressor connects, and the other end is changed with outdoor
Hot device connection, for the refrigerant that compressor is discharged being passed directly into outdoor heat exchanger, to outdoor heat exchange when system enters defrost
Device carries out defrost.
Further, liquid distributing device further include: heating device, for liquid refrigerants to be heated to be gaseous coolant.
Further, the outlet of liquid distributing device is connected by the air entry of first row air valve and compressor, is used for liquid separation
Gaseous coolant in device is sent into the air entry of compressor, realizes anti-hydrops control.
Further, the outlet of liquid distributing device is connected by the increasing enthalpy mouth of second row air valve and compressor, is used for liquid separation
Gaseous coolant in device is sent into the increasing enthalpy mouth of compressor, realizes increasing enthalpy control.
Further, the outlet of liquid distributing device is also connected by the outlet of gas balanced valve and gas-liquid separator, for balancing
The internal pressure of liquid distributing device.
Further, bypass branch is equipped with by-passing valve, for into open state, will press when system enters defrost
The part refrigerant of contracting machine discharge is passed directly into outdoor heat exchanger, carries out defrost to outdoor heat exchanger.
According to another aspect of an embodiment of the present invention, a kind of air conditioning control method is provided, air-conditioning as the aforementioned is applied to
Control system, comprising: whether detection system meets anti-hydrops control condition;When system meets anti-hydrops control condition, pass through
Liquid distributing device carries out anti-hydrops control to system.
Further, anti-hydrops control condition include: gas-liquid separator enter tube temperature degree and the difference of outlet pipe temperature is greater than
Equal to fiducial temperature.
Further, anti-hydrops control is carried out to system by liquid distributing device, comprising: gas-liquid point is received by liquid distributing device
Liquid refrigerants from device separation, and after being converted into gaseous coolant, it is sent into compressor.
Further, it is sent into compressor and includes: whether detection system needs to carry out increasing enthalpy control;If so, control first
Gaseous coolant in liquid distributing device is sent into the increasing enthalpy mouth of compressor by exhaust valve opening;Otherwise, control second row air valve is opened,
Gaseous coolant in liquid distributing device is sent into the air entry of compressor.
Further, liquid refrigerants is heated to be gaseous coolant, comprising: control heating device is started to work, and liquid separation is filled
Liquid refrigerants in setting is heated to be gas coolant.
Further, the operation power of heating device is adjusted according to the air outlet temperature of liquid distributing device.
Further, the operation power of heating device is adjusted according to the air outlet temperature of liquid distributing device, comprising: in liquid separation
When the air outlet temperature of device is more than or equal to the first preset temperature, the operation power of heating device is 0;Go out temperature in liquid distributing device
Degree is more than or equal to the second preset temperature and when less than the first preset temperature, and the operation power of heating device is the first operation power;
When the air outlet temperature of liquid distributing device is less than the second preset temperature, the operation power of heating device is the second operation power;Wherein,
First preset temperature is greater than the second preset temperature, and the first operation power is less than the second operation power.
Further, after carrying out anti-hydrops control to system by liquid distributing device, further includes: whether detection system is full
Sufficient defrost condition;When system meets defrost condition, bypass branch is opened, defrost is carried out to outdoor heat exchanger;Wherein, bypass branch
The connection of the exhaust side of road one end and compressor, the other end is connect with outdoor heat exchanger, for will compress when system enters defrost
The refrigerant of machine discharge is passed directly into outdoor heat exchanger, carries out defrost to outdoor heat exchanger.
Further, bypass branch is being opened, when carrying out defrost to outdoor heat exchanger, further includes: control heating device is opened
Liquid refrigerants in liquid distributing device is heated to be gas coolant by beginning work;It controls second row air valve to open, gas coolant is sent into
The increasing enthalpy mouth of compressor.
Further, after carrying out defrost to outdoor heat exchanger, or, after carrying out anti-hydrops control to system, method
Further include: at interval of preset time, gas balanced valve is opened, for balancing the internal pressure of liquid distributing device.
Another aspect according to an embodiment of the present invention provides a kind of air-conditioning, including air-conditioner control system as the aforementioned.
Another aspect according to an embodiment of the present invention, provides a kind of computer equipment, including memory, processor and deposits
The computer program that can be run on a memory and on a processor is stored up, processor realizes such as above-mentioned air-conditioning control when executing program
Method processed.
Another aspect according to an embodiment of the present invention provides a kind of storage medium comprising computer executable instructions,
Computer executable instructions by computer processor when being executed for executing such as above-mentioned air conditioning control method.
In the present invention, a kind of air-conditioner control system for continuous heating is provided, comprising: liquid distributing device receives gas
The liquid refrigerants of liquid/gas separator separation, avoids the hydrops problem that gas-liquid separator is likely to occur, while liquid refrigerants being converted
To be sent into compressor after gaseous coolant, the inspiratory capacity of compressor is improved, compressor air suction amount when including defrosting effectively solves
The problem that air-conditioning system causes temperature fluctuation larger due to hydrops or frosting in the prior art, guarantees that the interior machine of unit is persistently made
Heat guarantees that indoor environment temperature is stablized.
Detailed description of the invention
Fig. 1 is a kind of optional structural block diagram of air-conditioner control system according to an embodiment of the present invention;
Fig. 2 is a kind of optional flow chart of air conditioning control method according to an embodiment of the present invention;
Fig. 3 is a kind of optional refrigerant flow graph of normal heating operation according to an embodiment of the present invention;
Fig. 4 is a kind of optional refrigerant flow graph of anti-hydrops control according to an embodiment of the present invention;
Fig. 5 is the optional refrigerant flow graph of another kind of anti-hydrops control according to an embodiment of the present invention;And
Fig. 6 is a kind of optional refrigerant flow graph of defrost operation according to an embodiment of the present invention.
Description of symbols:
1, compressor;2, oil eliminator;3, four-way valve;4, outdoor heat exchanger;5, outdoor fan;6, outdoor heating electronics is swollen
Swollen valve;7, by-passing valve;8, gas-liquid separator;9, liquid distributing device;10, tapping valve;11, exhaust valve 1;12, heating device;13, gas
Balanced valve;14, gas goes out temperature sensing package;15, vapour separates tube temperature degree;16, vapour is divided into tube temperature degree;17, exhaust valve 2.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
Embodiment 1
A kind of air-conditioner control system is provided in the preferred embodiment of the invention 1, specifically, Fig. 1 shows the device
A kind of optional structural block diagram removes this as shown in Figure 1, the device includes: compressor 1, gas-liquid separator 8, outdoor heat exchanger 4
Except, further includes:
Liquid distributing device 9, one end are connect with gas-liquid separator 8, and the other end is connect with compressor 1, for receiving gas-liquid separation
The isolated liquid refrigerants of device 8, and compressor 1 is sent into after being converted into gaseous coolant.
In the above-described embodiment, a kind of air-conditioner control system for continuous heating is provided, comprising: liquid distributing device,
The liquid refrigerants for receiving gas-liquid separator separates, avoids the hydrops problem that gas-liquid separator is likely to occur, while liquid is cold
Matchmaker is sent into compressor after being converted into gaseous coolant, improves the inspiratory capacity of compressor, and compressor air suction amount when including defrosting has
Effect solves the problems, such as that air-conditioning system is since hydrops or frosting cause temperature fluctuation larger in the prior art, guarantees that the interior machine of unit is held
Continuous heating guarantees that indoor environment temperature is stablized.
In addition to this, system further include: the exhaust side of bypass branch, one end and compressor connects, and the other end is changed with outdoor
Hot device connection, for the refrigerant that compressor is discharged being passed directly into outdoor heat exchanger, to outdoor heat exchange when system enters defrost
Device carries out defrost.
As shown in Figure 1, bypass branch is equipped with by-passing valve 7, for into open state, inciting somebody to action when system enters defrost
The part refrigerant that compressor generates is passed through outdoor heat exchanger, carries out defrost to outdoor heat exchanger.Unit enters defrost process, bypass
Valve is opened, and four-way valve continues heating operation without commutation, interior machine, and part high temperature refrigerant directly passes through bypass branch to outdoor heat exchange
Device defrosts.
Bypass branch is connect with compressor and outdoor heat exchanger, when system enters defrost, from the refrigerant of compressor outflow
Heat exchanger not only is entered the room according to normal channels, the refrigerant that compressor generates also is passed through by outdoor heat exchange by bypass branch
Device carries out defrost to outdoor heat exchanger, to guarantee also to realize in the case where meeting indoor heat exchange demand to outdoor heat exchanger
Defrost, effectively solve the problems, such as that air-conditioning system is since hydrops or frosting cause temperature fluctuation larger in the prior art, guarantee machine
The interior machine of group persistently heats, and guarantees that indoor environment temperature is stablized.
In one preferred embodiment of the invention, liquid distributing device further include: heating device 12 is used for liquid refrigerants
It is heated to be gaseous coolant, to be passed through in compressor.
Further, the outlet of liquid distributing device is connect by first row air valve (exhaust valve 1) with the air entry of compressor, is used
In the gaseous coolant in liquid distributing device is sent into compressor, anti-hydrops control is realized.Under cryogenic conditions, unit vapour point is easy to happen
Hydrops, frosting influence the evaporating temperature of system, not can guarantee heating effect.By being heated to liquid refrigerants in vapour point, mention
Evaporating temperature is risen, and uses EVI device, enhances compressor air suction amount, promotes low-temperature heating capacity.
Further, the outlet of liquid distributing device is connect by second row air valve (exhaust valve 2) with the increasing enthalpy mouth of compressor, is used
In the increasing enthalpy mouth that the gaseous coolant in liquid distributing device is sent into compressor, increasing enthalpy control is realized.Refrigerant after heating can enter
Compressor sprays enthalpy mouth, increases compressor air-discharging amount, further increases low-temperature heating capacity, if not needing compressor spray enthalpy at this time,
Refrigerant is returned directly to compressor air suction mouth.
Wherein, the outlet of liquid distributing device is also connect by gas balanced valve 13 with the outlet of gas-liquid separator 8, is divided for balancing
The internal pressure of liquid device.
As shown in Figure 1,2 outlet pipe of system oil increases bypass branch, outlet exports refrigeration direction with outdoor heat exchanger 4 and is connected
It connects, vapour point 8 increases liquid distributing device 9, and 8 bottoms of vapour point are by tapping valve 10 and liquid distributing device 9 together with the installation of 9 bottom of liquid distributing device
There is heating device 12,9 exhaust outlet of liquid distributing device has gas balanced valve 13, exhaust valve 1 (11) (first row air valve), exhaust valve 2 respectively
(17) (second row air valve), gas balanced valve 13 connect 8 outlet pipes of vapour point, and principal security liquid distributing device internal pressure balance guarantees to divide
Liquid is smooth;Exhaust valve 1 (11) is connect with 1 increasing enthalpy mouth of compressor, and exhaust valve 2 (17) is connect with 1 air entry of compressor.
Embodiment 2
The system provided in 1 based on the above embodiment, additionally provides a kind of air-conditioning control in the preferred embodiment of the invention 2
Method processed, the control method can be applied directly on above system.Specifically, Fig. 2 shows one kind of this method is optional
Flow chart, as shown in Fig. 2, this method comprises the following steps S202-S204:
S202: whether detection system meets anti-hydrops control condition;
S204: when system meets anti-hydrops control condition, anti-hydrops control is carried out to system by liquid distributing device.
In the above-described embodiment, a kind of air conditioning control method for continuous heating is provided, is by detection system
It is no to meet anti-hydrops control condition, when system meets anti-hydrops control condition, anti-hydrops is carried out to system by liquid distributing device
Control.Guarantee that the interior machine of unit persistently heats, guarantees that indoor environment temperature is stablized.
Wherein, anti-hydrops control condition include: gas-liquid separator enter tube temperature degree and the difference of outlet pipe temperature is more than or equal to
Fiducial temperature.
Further, anti-hydrops control is carried out to system by liquid distributing device, comprising: gas-liquid point is received by liquid distributing device
Liquid refrigerants from device separation, and after being converted into gaseous coolant, it is sent into compressor.In the above-described embodiment, added by control
Thermal is started to work, and the liquid refrigerants in liquid distributing device is heated to be gas coolant.
Further, it is sent into compressor and includes: whether detection system needs to carry out increasing enthalpy control;If so, control first
Gaseous coolant in liquid distributing device is sent into the increasing enthalpy mouth of compressor by exhaust valve opening;Otherwise, control second row air valve is opened,
Gaseous coolant in liquid distributing device is sent into the air entry of compressor.Anti- hydrops control and increasing enthalpy control belong to two independent mistakes
Journey, the two are not complementary, if but also need increasing enthalpy control simultaneously in the control of anti-hydrops, enter anti-hydrops and increases
Enthalpy control.
In the anti-hydrops control of system, the operation power of heating device is adjusted according to the air outlet temperature of liquid distributing device.
Specifically, the operation power of heating device is adjusted according to the air outlet temperature of liquid distributing device, comprising: is filled in liquid separation
When the air outlet temperature set is more than or equal to the first preset temperature, the operation power of heating device is 0;In the air outlet temperature of liquid distributing device
When more than or equal to the second preset temperature and less than the first preset temperature, the operation power of heating device is the first operation power;?
When the air outlet temperature of liquid distributing device is less than the second preset temperature, the operation power of heating device is the second operation power;Wherein,
One preset temperature is greater than the second preset temperature, and the first operation power is less than the second operation power.
In one preferred embodiment of the invention, after carrying out anti-hydrops control to system by liquid distributing device,
Further include: whether detection system meets defrost condition;When system meets defrost condition, bypass branch is opened, to outdoor heat exchange
Device carries out defrost;Wherein, the exhaust side of bypass branch one end and compressor connects, and the other end connect with outdoor heat exchanger, is used for
When system enters defrost, the refrigerant that compressor is discharged is passed directly into outdoor heat exchanger, defrost is carried out to outdoor heat exchanger.
Further, bypass branch is being opened, when carrying out defrost to outdoor heat exchanger, further includes: control heating device is opened
Liquid refrigerants in liquid distributing device is heated to be gas coolant by beginning work;It controls second row air valve to open, gas coolant is sent into
The increasing enthalpy mouth of compressor.Meanwhile in system defrost, heating device is according to default maximum operation Power operation.Above-mentioned embodiment party
The setting of formula is provided to increase the inspiratory capacity of compressor, and then improves heat exchange amount, improves defrosting effect.
When system enters defrost, the refrigerant flowed out from compressor not only enters the room heat exchanger according to normal channels, also
The refrigerant that compressor generates is passed through outdoor heat exchanger by bypass branch, defrost is carried out to outdoor heat exchanger, to guarantee
In the case where meeting indoor heat exchange demand, the defrost to outdoor heat exchanger is also realized, effectively solve air-conditioning system in the prior art
Due to the problem that frosting causes temperature fluctuation larger, guarantee that the interior machine of unit persistently heats, guarantees that indoor environment temperature is stablized.
Optionally, after carrying out defrost to outdoor heat exchanger, or, method is also after carrying out anti-hydrops control to system
It include: gas balanced valve to be opened, for balancing the internal pressure of liquid distributing device at interval of preset time.
In the present invention, the control method of system is divided into normal heating operation, the control of anti-hydrops, defrost operation.
1, normal heating operation
Refrigerant flowing is as shown in figure 3, bypass branch and liquid distributing device are not involved in work.Refrigerant after compressor work,
Be directly entered interior machine condensing heating, after return to the evaporation of outer machine heat exchanger and absorb heat, after flow through vapour point and return to compressor.
2, anti-hydrops control
Refrigerant flows as shown in figs. 4 and 5, and bypass branch does not work, and liquid distributing device participates in control.
Into this control condition: under heating mode, [vapour is divided into tube temperature degree 16- vapour and separates tube temperature degree 15] >=A DEG C, then it executes
This control action.
Control action 1: unit enters increasing enthalpy control
The system of detecting needs to carry out to use this control method when increasing enthalpy control.Refrigerant flowing is as shown in Fig. 4, tapping valve
10, exhaust valve 11 is opened, exhaust valve 17 is closed, and liquid refrigerants flows into liquid distributing device in vapour point, and Synchronous Heating device is started to work,
Liquid refrigerants in liquid distributing device is heated, medium pressure gas is heated to be, after through spray enthalpy pipeline enter compressor middle pressure chamber into
Row second-compressed.
Control action 2: unit does not enter increasing enthalpy control
The system of detecting does not need to carry out to use this control method when increasing enthalpy control.Refrigerant flowing is as shown in Fig. 5, drain
Valve 10, exhaust valve 17 are opened, exhaust valve 11 is closed, and liquid refrigerants flows into liquid distributing device in vapour point, and Synchronous Heating device starts work
Make, liquid refrigerants in liquid distributing device is heated, medium pressure gas is heated to be, mixes with gas sub-export refrigerant, returns to together afterwards
Compressor air suction mouth.
It into after the control of anti-hydrops, is opened once at interval of Ts gas balance 13, guarantees that liquid separation is smooth.
The power adjustable of heating device is whole, goes out temperature 14 according to liquid distributing device gas to be judged:
TGas goes out | Electrical heating power |
TGas goes out≥C | 0 |
B≤TGas goes out< C | M |
TGas goes out< B | N |
Wherein, M < N.
3, defrost is run
Refrigerant flowing such as attached drawing 6.Bypass branch and liquid distributing device both participate in work.
By-passing valve 7 is opened, and high temperature refrigerant flows through bypass branch and enter 4 heat exchanging device defrost of outdoor heat exchanger, after flow through four
Port valve 3 returns to vapour point 8.
Into after defrost, to realize quick defrost, it is forced into increasing enthalpy control at this time: tapping valve 10, exhaust valve 11 open,
Exhaust valve 17 is closed, and liquid refrigerants flows into liquid distributing device in vapour point, and Synchronous Heating device is started to work, to liquid in liquid distributing device
Refrigerant is heated, and medium pressure gas is heated to be, after through spray enthalpy pipeline enter compressor middle pressure chamber carry out second-compressed.
Into this control, liquid distributing device bottom electrical heating power can be forced to execute according to greatest level, at this time indoor heat exchange
Device and outdoor heat exchanger are used as condensation side, and middle pressure liquid refrigerants increases in system, increase electrical heating power, supplement evaporation and heat-exchange
Amount guarantees unit heating capacity.
Embodiment 3
The air-conditioner control system provided in 1 based on the above embodiment, additionally provides one in the preferred embodiment of the invention 3
Kind air-conditioning, including air-conditioner control system as the aforementioned.
In the above-described embodiment, a kind of air-conditioner control system for continuous heating is provided, comprising: liquid distributing device,
The liquid refrigerants for receiving gas-liquid separator separates, avoids the hydrops problem that gas-liquid separator is likely to occur, while liquid is cold
Matchmaker is sent into compressor after being converted into gaseous coolant, improves the inspiratory capacity of compressor, and compressor air suction amount when including defrosting has
Effect solves the problems, such as that air-conditioning system is since hydrops or frosting cause temperature fluctuation larger in the prior art, guarantees that the interior machine of unit is held
Continuous heating guarantees that indoor environment temperature is stablized.
Embodiment 4
The air conditioning control method provided in 2 based on the above embodiment, additionally provides one in the preferred embodiment of the invention 4
Kind computer equipment including memory, processor and stores the computer program that can be run on a memory and on a processor,
The processor realizes such as above-mentioned air conditioning control method when executing described program.
In the above-described embodiment, a kind of air conditioning control method for continuous heating is provided, is by detection system
It is no to meet anti-hydrops control condition, when system meets anti-hydrops control condition, anti-hydrops is carried out to system by liquid distributing device
Control.Guarantee that the interior machine of unit persistently heats, guarantees that indoor environment temperature is stablized.
Embodiment 5
The air conditioning control method provided in 2 based on the above embodiment, additionally provides one in the preferred embodiment of the invention 5
Kind includes the storage medium of computer executable instructions, and the computer executable instructions are used when being executed by computer processor
In execution such as above-mentioned air conditioning control method.
In the above-described embodiment, a kind of air conditioning control method for continuous heating is provided, is by detection system
It is no to meet anti-hydrops control condition, when system meets anti-hydrops control condition, anti-hydrops is carried out to system by liquid distributing device
Control.Guarantee that the interior machine of unit persistently heats, guarantees that indoor environment temperature is stablized.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention its
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
The common knowledge in the art that person's adaptive change follows general principle of the invention and do not invent including the present invention
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (20)
1. a kind of air-conditioner control system, including compressor, gas-liquid separator, outdoor heat exchanger, which is characterized in that further include:
Liquid distributing device, one end are connect with the gas-liquid separator, and the other end is connect with the compressor, for receiving the gas-liquid
The liquid refrigerants of separator separation, and the compressor is sent into after being converted into gaseous coolant.
2. system according to claim 1, which is characterized in that the system also includes:
Bypass branch, one end are connect with the exhaust side of the compressor, and the other end is connect with the outdoor heat exchanger, in institute
When the system of stating enters defrost, the refrigerant that the compressor is discharged is passed directly into the outdoor heat exchanger, to the outdoor heat exchange
Device carries out defrost.
3. system according to claim 1, which is characterized in that the liquid distributing device further include:
Heating device, for the liquid refrigerants to be heated to be gaseous coolant.
4. system according to claim 3, which is characterized in that the outlet of the liquid distributing device passes through first row air valve and institute
The air entry connection of compressor is stated, it is real for the gaseous coolant in the liquid distributing device to be sent into the air entry of the compressor
Now anti-hydrops control.
5. system according to claim 3, which is characterized in that the outlet of the liquid distributing device passes through second row air valve and institute
The increasing enthalpy mouth connection of compressor is stated, it is real for the gaseous coolant in the liquid distributing device to be sent into the increasing enthalpy mouth of the compressor
Existing increasing enthalpy control.
6. system according to claim 1, which is characterized in that the outlet of the liquid distributing device also passes through gas balanced valve and institute
The outlet connection for stating gas-liquid separator, for balancing the internal pressure of the liquid distributing device.
7. system according to claim 2, which is characterized in that the bypass branch is equipped with by-passing valve, in system
Into when defrost, into open state, the part refrigerant that the compressor is discharged is passed directly into the outdoor heat exchanger, to institute
It states outdoor heat exchanger and carries out defrost.
8. a kind of air conditioning control method, is applied to air-conditioner control system as claimed in any one of claims 1 to 6, feature exists
In, comprising:
Whether detection system meets anti-hydrops control condition;
When the system meets anti-hydrops control condition, anti-hydrops control is carried out to the system by liquid distributing device.
9. according to the method described in claim 8, it is characterized in that, the anti-hydrops control condition includes: the gas-liquid separation
The difference for entering tube temperature degree and outlet pipe temperature of device is more than or equal to fiducial temperature.
10. according to the method described in claim 8, it is characterized in that, carrying out anti-hydrops control to the system by liquid distributing device
System, comprising:
The liquid refrigerants of gas-liquid separator separates is received by the liquid distributing device, and after being converted into gaseous coolant, be sent into compression
Machine.
11. according to the method described in claim 10, it is characterized in that, feeding compressor includes:
Detect whether the system needs to carry out increasing enthalpy control;
If so, control first row air valve is opened, the gaseous coolant in the liquid distributing device is sent into the increasing enthalpy of the compressor
Mouthful;
Otherwise, control second row air valve is opened, and the gaseous coolant in the liquid distributing device is sent into the air entry of the compressor.
12. according to the method described in claim 10, it is characterized in that, the liquid refrigerants is heated to be gaseous coolant, comprising:
It controls heating device to start to work, the liquid refrigerants in the liquid distributing device is heated to be gas coolant.
13. according to the method for claim 12, which is characterized in that the operation power of the heating device is according to the liquid separation
The air outlet temperature of device is adjusted.
14. according to the method for claim 13, which is characterized in that the operation power of the heating device is according to the liquid separation
The air outlet temperature of device is adjusted, comprising:
When the air outlet temperature of the liquid distributing device is more than or equal to the first preset temperature, the operation power of the heating device is 0;
It is more than or equal to the second preset temperature in the air outlet temperature of the liquid distributing device and when less than the first preset temperature, the heating
The operation power of device is the first operation power;
When the air outlet temperature of the liquid distributing device is less than the second preset temperature, the operation power of the heating device is the second fortune
Row power;
Wherein, first preset temperature is greater than second preset temperature, and the first operation power is less than second fortune
Row power.
15. according to the method described in claim 8, it is characterized in that, carrying out anti-hydrops to the system by liquid distributing device
After control, further includes:
Whether detection system meets defrost condition;
When the system meets defrost condition, bypass branch is opened, defrost is carried out to outdoor heat exchanger;Wherein, the bypass
Branch one end is connect with the exhaust side of the compressor, and the other end is connect with outdoor heat exchanger, in the system entrance
When white, the refrigerant that the compressor is discharged is passed directly into the outdoor heat exchanger, defrost is carried out to the outdoor heat exchanger.
16. according to the method for claim 15, which is characterized in that bypass branch is being opened, to outdoor heat exchanger
When white, further includes:
It controls heating device to start to work, the liquid refrigerants in the liquid distributing device is heated to be gas coolant;
It controls second row air valve to open, the gas coolant is sent into the increasing enthalpy mouth of the compressor.
17. according to the method for claim 15, which is characterized in that after carrying out defrost to outdoor heat exchanger, or, to institute
After the system of stating carries out anti-hydrops control, the method also includes:
At interval of preset time, gas balanced valve is opened, for balancing the internal pressure of the liquid distributing device.
18. a kind of air-conditioning, which is characterized in that including such as described in any item air-conditioner control systems of claim 1-7.
19. a kind of computer equipment including memory, processor and stores the meter that can be run on a memory and on a processor
Calculation machine program, which is characterized in that the processor is realized as described in any one of claim 8 to 17 when executing described program
Air conditioning control method.
20. a kind of storage medium comprising computer executable instructions, the computer executable instructions are by computer disposal
For executing the air conditioning control method as described in any one of claim 8 to 17 when device executes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910218610.1A CN109798701B (en) | 2019-03-21 | 2019-03-21 | Air conditioner control system and method for continuous heating and air conditioner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910218610.1A CN109798701B (en) | 2019-03-21 | 2019-03-21 | Air conditioner control system and method for continuous heating and air conditioner |
Publications (2)
Publication Number | Publication Date |
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CN109798701A true CN109798701A (en) | 2019-05-24 |
CN109798701B CN109798701B (en) | 2023-09-12 |
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CN110346665A (en) * | 2019-07-15 | 2019-10-18 | 上海交通大学 | A kind of width temperature range low temperature environment testing apparatus |
CN110529965A (en) * | 2019-09-09 | 2019-12-03 | 宁波奥克斯电气股份有限公司 | A kind of low-temperature heating air conditioner system and its control method |
CN110736273A (en) * | 2019-09-26 | 2020-01-31 | 青岛海尔空调器有限总公司 | Control method and control device for air make-up enthalpy increase of air conditioner and air conditioner |
CN110736274A (en) * | 2019-09-26 | 2020-01-31 | 青岛海尔空调器有限总公司 | Control method and control device for air make-up enthalpy increase of air conditioner and air conditioner |
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CN111102774A (en) * | 2019-10-23 | 2020-05-05 | 珠海格力电器股份有限公司 | Air conditioning system capable of realizing uninterrupted heating, control method of air conditioning system and air conditioning equipment |
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CN111578442A (en) * | 2020-05-12 | 2020-08-25 | 宁波奥克斯电气股份有限公司 | Liquid return prevention control method and device for compressor and air conditioner |
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CN110346665A (en) * | 2019-07-15 | 2019-10-18 | 上海交通大学 | A kind of width temperature range low temperature environment testing apparatus |
CN110529965A (en) * | 2019-09-09 | 2019-12-03 | 宁波奥克斯电气股份有限公司 | A kind of low-temperature heating air conditioner system and its control method |
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CN110736274A (en) * | 2019-09-26 | 2020-01-31 | 青岛海尔空调器有限总公司 | Control method and control device for air make-up enthalpy increase of air conditioner and air conditioner |
CN110736272A (en) * | 2019-09-26 | 2020-01-31 | 青岛海尔空调器有限总公司 | Control method and control device for air make-up enthalpy increase of air conditioner and air conditioner |
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CN111102774A (en) * | 2019-10-23 | 2020-05-05 | 珠海格力电器股份有限公司 | Air conditioning system capable of realizing uninterrupted heating, control method of air conditioning system and air conditioning equipment |
CN111102771A (en) * | 2019-10-23 | 2020-05-05 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
EP4012300A4 (en) * | 2019-10-23 | 2022-09-28 | Gree Electric Appliances, Inc. of Zhuhai | Continuous heating control system and method, and air-conditioning device |
CN111288694A (en) * | 2019-10-23 | 2020-06-16 | 珠海格力电器股份有限公司 | Air conditioner capable of continuously heating and control method thereof |
WO2021098317A1 (en) * | 2019-11-18 | 2021-05-27 | 珠海格力电器股份有限公司 | Air conditioner and air conditioner control method |
CN110906580A (en) * | 2019-11-27 | 2020-03-24 | 青岛海尔空调电子有限公司 | Control method of air conditioning system |
WO2021169533A1 (en) * | 2020-02-26 | 2021-09-02 | 珠海格力电器股份有限公司 | Refrigerant heating control method and apparatus capable of improving stability, and air conditioning device |
CN111197877A (en) * | 2020-02-26 | 2020-05-26 | 珠海格力电器股份有限公司 | Pressure regulator, outdoor unit, air conditioning system and control method of air conditioning system |
CN111197877B (en) * | 2020-02-26 | 2023-12-19 | 珠海格力电器股份有限公司 | Pressure regulator, outdoor unit, air conditioning system and control method of air conditioning system |
CN111412694A (en) * | 2020-03-26 | 2020-07-14 | 宁波奥克斯电气股份有限公司 | Condenser, air conditioner defrosting control method and air conditioner |
CN111578442A (en) * | 2020-05-12 | 2020-08-25 | 宁波奥克斯电气股份有限公司 | Liquid return prevention control method and device for compressor and air conditioner |
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