CN107917512A - A kind of control method of air-conditioning system, device and air conditioner - Google Patents
A kind of control method of air-conditioning system, device and air conditioner Download PDFInfo
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- CN107917512A CN107917512A CN201711071787.0A CN201711071787A CN107917512A CN 107917512 A CN107917512 A CN 107917512A CN 201711071787 A CN201711071787 A CN 201711071787A CN 107917512 A CN107917512 A CN 107917512A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The present invention proposes a kind of control method of air-conditioning system, device and air conditioner, and air-conditioning system includes outdoor unit, wherein, control method includes:Detection Compressor Discharge Pressure Pc, outdoor environment temperature Th in real time, condensator outlet refrigerant pressure P, condenser inlet refrigerant pressure and any one in the Compressor Discharge Pressure, outdoor condensator outlet line temperature Tc;Wind turbine is controlled to run the first preset time with preset gear;The corresponding saturation temperature of current refrigerant pressure is drawn according to condensator outlet refrigerant pressure P, condenser inlet refrigerant pressure and any one in the Compressor Discharge Pressure, and calculates current refrigerant coefficient n;According to the pre-set interval where refrigerant coefficient n, the operational taps of wind turbine are controlled.The present invention proposes a kind of control method of air-conditioning system, wind turbine is in optimal operating status, improves the heat transfer effect of whole air-conditioning system.
Description
Technical field
The present invention relates to air conditioner technical field, in particular to a kind of control method of air-conditioning system, a kind of air-conditioning
The control device of system, a kind of air conditioner.
Background technology
At present, the enhancing with awareness of saving energy with the improvement of people ' s living standards, air conditioner is energy saving with its, and control is flexible,
The features such as easily installing and safeguard, has come into vast average family, and have been more and more widely used.In recent years, the energy is tight
, national policy also proposes the energy saving, Effec-tive Function of air-conditioning system higher and higher requirement, and the air-conditioning system in correlation technique
The control mode and control logic of system, it is impossible to according to the operation characteristic of unit, the air-conditioning system moment is in the shape of Effec-tive Function
State, causes the heat transfer efficiency of heat exchanger cannot effectively to play, and then influences the actual motion effect of whole unit, Wu Fashi
Existing efficient heat transfer.
The content of the invention
It is contemplated that at least solve one of technical problem existing in the prior art.
A kind of for this reason, the first aspect of the present invention embodiment, there is provided control method of air-conditioning system.
A kind of the second aspect of the present invention embodiment, there is provided control device of air-conditioning system.
A kind of the third aspect of the present invention embodiment, there is provided air conditioner.
In view of this, embodiment, the present invention propose a kind of controlling party of air-conditioning system according to the first aspect of the invention
Method, air-conditioning system include outdoor unit, and outdoor unit includes outdoor unit environment temperature sensor, compressor and Compressor Discharge Pressure and passes
Sensor, outdoor heat exchanger and outdoor heat exchanger line temperature sensor, outdoor condenser refrigerant pressure sensor, and wind turbine,
Control method includes:Detection Compressor Discharge Pressure Pc, outdoor environment temperature Th, condensator outlet refrigerant pressure P or cold in real time
Condenser entrance refrigerant pressure, outdoor condensator outlet line temperature Tc;Wind turbine is controlled to run the first preset time with preset gear;
According to any one in condensator outlet refrigerant pressure P, condenser inlet refrigerant pressure and Compressor Discharge Pressure, draw current cold
The corresponding saturation temperature Tb of matchmaker's pressure, and calculate current refrigerant coefficient n;According to the pre-set interval where refrigerant coefficient n, control
The operational taps of wind turbine;Wherein, when preset gear is started shooting for air-conditioning system, original speed position corresponding with outdoor environment temperature Th.
The control method of air-conditioning system proposed by the present invention, after air conditioner startup, with corresponding to outdoor environment temperature Th
Preset gear operation the first preset time of wind turbine, and according to condensator outlet refrigerant pressure P, condenser inlet refrigerant pressure with
Any one in Compressor Discharge Pressure draws the corresponding saturation temperature Tb of current refrigerant pressure, and then calculates current refrigerant system
Number n, so that by the pre-set interval where refrigerant coefficient n, controls the operational taps of wind turbine, and then the gear of wind turbine is carried out certainly
It is dynamic to adjust, also, reasonably optimizing control mode is carried out to the gear of wind turbine according to the pre-set interval where refrigerant coefficient n, realize
Automatically adjust wind turbine gear, wind turbine be in optimal operating status all the time, thus improve unit heat exchange efficiency and reliably
Property, run in a manner of more energy-efficient, improve the heat transfer effect of whole air-conditioning system.
In addition, the control method of the air-conditioning system in above-described embodiment provided by the invention can also have additional skill as follows
Art feature:
In the above-mentioned technical solutions, it is preferable that pre-set interval includes:First pre-set interval, the second pre-set interval and the 3rd
Pre-set interval;Wherein, the scope of the first pre-set interval is that, more than or equal to a, the scope of the second pre-set interval is small less than or equal to b
In a, it more than b, a and b is constant that the scope of the 3rd pre-set interval, which is,.
In the technical scheme, by being set smaller than the scope of the first pre-set interval to be equal to b, more than or equal to a;By
The scope of two pre-set intervals is set smaller than a;The scope of 3rd pre-set interval is set greater than b, so that pre-set interval
Forgive whole constant range so that no matter the occurrence of refrigerant coefficient n why, can have corresponding corresponding section, into
And it ensure that the effect that wind turbine gear is controlled according to refrigerant coefficient n.
In any of the above-described technical solution, it is preferable that according to the pre-set interval where refrigerant coefficient n, control the fortune of wind turbine
The step of row gear, specifically include:Judge refrigerant coefficient n whether in the first pre-set interval;When refrigerant coefficient n is default first
When in section, the default pressure at expulsion section according to where Compressor Discharge Pressure Pc, controls the gear of wind turbine;When refrigerant coefficient
When n is not in the first pre-set interval, the gear of pre-set interval adjustment wind turbine according to where refrigerant coefficient n, so that refrigerant coefficient n
In the first pre-set interval.
When in the technical scheme, by judging that refrigerant coefficient n is in the first pre-set interval, according to Compressor Discharge Pressure
Default pressure at expulsion section where Pc, controls the gear of wind turbine;When judging refrigerant coefficient n not in the first pre-set interval,
According to the gear of pre-set interval adjustment wind turbine where refrigerant coefficient n, so that refrigerant coefficient n is in the first pre-set interval, so that
So that wind turbine remains at optimal gear.
In any of the above-described technical solution, it is preferable that default pressure at expulsion section includes, the first default pressure at expulsion area
Between, the second default pressure at expulsion section and the 3rd default pressure at expulsion section;Wherein, the value in the first default pressure at expulsion section
Scope is less than A, more than B;The value range in the second default pressure at expulsion section is less than or equal to B;3rd default pressure at expulsion
Section is more than or equal to A.
In the technical scheme, by the way that the value range in the first default pressure at expulsion section is set smaller than A, more than B;
The value range in the second default pressure at expulsion section is set smaller than being equal to B;3rd default pressure at expulsion section is arranged to
More than or equal to A so that pre-set interval forgives whole constant range so that no matter Compressor Discharge Pressure Pc it is specific
Why is value, can have corresponding corresponding section, and then ensure that the effect that wind turbine gear is controlled according to Compressor Discharge Pressure Pc
Fruit.
In any of the above-described technical solution, it is preferable that when refrigerant coefficient n is in the first pre-set interval, according to compressor
Default pressure at expulsion section where pressure at expulsion Pc, the step of controlling the gear of wind turbine, specifically includes:According to the first default frequency
Rate obtains Compressor Discharge Pressure Pc;Determine the default pressure at expulsion section where Compressor Discharge Pressure Pc;When compressor is arranged
Atmospheric pressure Pc keeps the wind shelves of wind turbine constant at the first default pressure at expulsion section;When Compressor Discharge Pressure Pc is second
During default pressure at expulsion section, reduce the gear of wind turbine, to lowest gear;When Compressor Discharge Pressure Pc is in the 3rd default exhaust
During pressure range, increase the gear of wind turbine, to highest gear.
In the technical scheme, by obtaining current compressor pressure at expulsion Pc, Compressor Discharge Pressure Pc places are determined
Default pressure at expulsion section, wherein, when Compressor Discharge Pressure Pc is in the first default pressure at expulsion section, i.e. current compression
Machine pressure at expulsion Pc is less than A, during more than B, keeps the gear of wind turbine constant;When Compressor Discharge Pressure Pc is in the second default exhaust
During pressure range, i.e. when current compressor pressure at expulsion Pc is less than or equal to B, reduce the gear of wind turbine, through one or many operations
Afterwards, until the gear of wind turbine is preferably minimized;When Compressor Discharge Pressure Pc is in the 3rd default pressure at expulsion section, i.e., current pressure
When contracting machine pressure at expulsion Pc is more than or equal to A, increase the gear of wind turbine, after one or many operations, until the gear liter of wind turbine
To highest, and then the rationalization control to wind turbine gear is realized, when ensure that air-conditioning system operation, wind turbine is all the time in optimal
State.
In any of the above-described technical solution, it is preferable that when refrigerant coefficient n is not in the first pre-set interval, according to refrigerant
The gear of pre-set interval adjustment wind turbine where coefficient n, so that steps of the refrigerant coefficient n in the first pre-set interval, specific bag
Include:Judge refrigerant coefficient n whether in the second pre-set interval;When refrigerant coefficient n is in the second pre-set interval, determine whether
The current gear of wind turbine whether be wind turbine lowest gear;When current gear is lowest gear, according to Compressor Discharge Pressure
Default pressure at expulsion section where Pc, controls the gear of wind turbine;It is default according to second when current gear is not lowest gear
Frequency reduces the gear of wind turbine, so that refrigerant coefficient n is in the first pre-set interval.
In the technical scheme, when judging that refrigerant coefficient n is in the second pre-set interval, the current of wind turbine is determined whether
Gear whether be wind turbine lowest gear, if current gear is lowest gear, according to where Compressor Discharge Pressure Pc
Default pressure at expulsion section, controls the gear of wind turbine, if current gear is not lowest gear, dropped with the second predeterminated frequency
The gear of low wind turbine, so that the gear of wind turbine is reduced, after one or many operations, until refrigerant coefficient n is in the first preset areas
In, and then realize the automated control to wind turbine gear.
In any of the above-described technical solution, it is preferable that when refrigerant coefficient n is not in the second pre-set interval, further sentence
Whether disconnected refrigerant coefficient n is in the 3rd pre-set interval;When refrigerant coefficient n is in the 3rd pre-set interval, wind turbine is determined whether
Current gear whether be wind turbine highest gear;When current gear is highest gear, according to Compressor Discharge Pressure Pc institutes
Default pressure at expulsion section, control the gear of wind turbine;When current gear is not highest gear, according to the 3rd predeterminated frequency
Increase the gear of wind turbine, so that refrigerant coefficient n is in the first pre-set interval.
In the technical scheme, when judging that refrigerant coefficient n is in the 3rd pre-set interval, the current of wind turbine is determined whether
Gear whether be wind turbine highest gear, if current gear is highest gear, according to where Compressor Discharge Pressure Pc
Default pressure at expulsion section, is controlled the gear of wind turbine, if current gear is not highest gear, is carried with the 3rd predeterminated frequency
The gear of wind turbine is risen, so that the gear of wind turbine is lifted, after one or many operations, until refrigerant coefficient n is in the first preset areas
In, and then realize the automated control to wind turbine gear.
In any of the above-described technical solution, it is preferable that the step of calculating refrigerant coefficient n, specifically includes:According to formula:N=
(Tb-Tc)/(Tb-Th), calculates the refrigerant coefficient n.
In the technical scheme, formula is passed through:N=(Tb-Tc)/(Tb-Th), calculates refrigerant coefficient n, so as to obtain cold
Matchmaker coefficient n, is controlled with the operational taps to wind turbine.
Embodiment according to the second aspect of the invention, the present invention propose a kind of control device of air-conditioning system, air-conditioning system
System includes outdoor unit, and outdoor unit includes outdoor unit environment temperature sensor, compressor and compressor discharge pressure sensor, outdoor
Heat exchanger and outdoor heat exchanger line temperature sensor, outdoor condenser refrigerant pressure sensor, and wind turbine, including:Detection
Unit, for detecting Compressor Discharge Pressure Pc, outdoor environment temperature Th, condensator outlet refrigerant pressure P or condenser in real time
Entrance refrigerant pressure, outdoor condensator outlet line temperature Tc;First control unit, for controlling wind turbine to be run with preset gear
First preset time;First computing unit, for showing that current refrigerant pressure is corresponding full according to condensator outlet refrigerant pressure P
And temperature;Second computing unit, for calculating current refrigerant coefficient n;Second control unit, when fan operation first is preset
Between after, according to the pre-set interval where refrigerant coefficient n, control the operational taps of wind turbine;Wherein, preset gear is opened for air-conditioning system
During machine, original speed position corresponding with outdoor environment temperature Th.
The control device of air-conditioning system proposed by the present invention, after air conditioner startup, with corresponding to outdoor environment temperature Th
Preset gear operation the first preset time of wind turbine, and show that current refrigerant pressure corresponds to according to condensator outlet refrigerant pressure P
Saturation temperature, and then calculate current refrigerant coefficient n, so as to pass through the pre-set interval where refrigerant coefficient n, control wind turbine
Operational taps, and then automatically adjust to the gear of wind turbine, also, according to the pre-set interval where refrigerant coefficient n to wind
The gear of machine carries out reasonably optimizing control mode, realizes the gear of automatic adjustment wind turbine, wind turbine is in optimal operation all the time
State, so as to improve the heat exchange efficiency and reliability of unit, is run in a manner of more energy-efficient, improves whole air-conditioning system
Heat transfer effect.
In the above-mentioned technical solutions, it is preferable that pre-set interval includes:First pre-set interval, the second pre-set interval and the 3rd
Pre-set interval;Wherein, the scope of the first pre-set interval is that, more than or equal to a, the scope of the second pre-set interval is small less than or equal to b
In a, it more than b, a and b is constant that the scope of the 3rd pre-set interval, which is,.
In the technical scheme, by being set smaller than the scope of the first pre-set interval to be equal to b, more than or equal to a;By
The scope of two pre-set intervals is set smaller than a;The scope of 3rd pre-set interval is set greater than b, so that pre-set interval
Forgive whole constant range so that no matter the occurrence of refrigerant coefficient n why, can have corresponding corresponding section, into
And it ensure that the effect that wind turbine gear is controlled according to refrigerant coefficient n.
In any of the above-described technical solution, it is preferable that further include:First judging unit, for whether judging refrigerant coefficient n
In the first pre-set interval;3rd control unit, for judging refrigerant coefficient n in the first pre-set interval when the first judging unit
When, the default pressure at expulsion section according to where Compressor Discharge Pressure Pc, controls the gear of wind turbine;When the first judging unit is sentenced
When disconnected refrigerant coefficient n is not in the first pre-set interval, the gear of pre-set interval adjustment wind turbine according to where refrigerant coefficient n, so that
Refrigerant coefficient n is obtained in the first pre-set interval.
When in the technical scheme, by judging that refrigerant coefficient n is in the first pre-set interval, according to Compressor Discharge Pressure
Default pressure at expulsion section where Pc, controls the gear of wind turbine;When judging refrigerant coefficient n not in the first pre-set interval,
According to the gear of pre-set interval adjustment wind turbine where refrigerant coefficient n, so that refrigerant coefficient n is in the first pre-set interval, so that
So that wind turbine remains at optimal gear.
In any of the above-described technical solution, it is preferable that default pressure at expulsion section includes, the first default pressure at expulsion area
Between, the second default pressure at expulsion section and the 3rd default pressure at expulsion section;Wherein, the value in the first default pressure at expulsion section
Scope is less than A, more than B;The value range in the second default pressure at expulsion section is less than or equal to B;3rd default pressure at expulsion
Section is more than or equal to A.
In the technical scheme, by the way that the value range in the first default pressure at expulsion section is set smaller than A, more than B;
The value range in the second default pressure at expulsion section is set smaller than being equal to B;3rd default pressure at expulsion section is arranged to
More than or equal to A so that pre-set interval forgives whole constant range so that no matter Compressor Discharge Pressure Pc it is specific
Why is value, can have corresponding corresponding section, and then ensure that the effect that wind turbine gear is controlled according to Compressor Discharge Pressure Pc
Fruit.
In any of the above-described technical solution, it is preferable that further include:Acquiring unit, for being obtained according to the first predeterminated frequency
Compressor Discharge Pressure Pc;Second judging unit, judges the default pressure at expulsion section where Compressor Discharge Pressure Pc;4th
Control unit, for when the second judging unit judges Compressor Discharge Pressure Pc in the first default pressure at expulsion section, keeping
The wind shelves of wind turbine are constant;When the second judging unit judges Compressor Discharge Pressure Pc in the second default pressure at expulsion section, subtract
The gear of small wind turbine, to lowest gear;When the second judging unit judges Compressor Discharge Pressure Pc in the 3rd default pressure at expulsion
During section, increase the gear of wind turbine, to highest gear.
In the technical scheme, by obtaining current compressor pressure at expulsion Pc, Compressor Discharge Pressure Pc places are determined
Default pressure at expulsion section, wherein, when Compressor Discharge Pressure Pc is in the first default pressure at expulsion section, i.e. current compression
Machine pressure at expulsion Pc is less than A, during more than B, keeps the gear of wind turbine constant;When Compressor Discharge Pressure Pc is in the second default exhaust
During pressure range, i.e. when current compressor pressure at expulsion Pc is less than or equal to B, reduce the gear of wind turbine, through one or many operations
Afterwards, until the gear of wind turbine is preferably minimized;When Compressor Discharge Pressure Pc is in the 3rd default pressure at expulsion section, i.e., current pressure
When contracting machine pressure at expulsion Pc is more than or equal to A, increase the gear of wind turbine, after one or many operations, until the gear liter of wind turbine
To highest, and then the rationalization control to wind turbine gear is realized, when ensure that air-conditioning system operation, wind turbine is all the time in optimal
State.
In any of the above-described technical solution, it is preferable that further include:3rd judging unit, for whether judging refrigerant coefficient n
In the second pre-set interval;4th judging unit, for judging refrigerant coefficient n in the second pre-set interval when the 3rd judging unit
When, determine whether wind turbine current gear whether be wind turbine lowest gear;5th control unit, for when the 4th judgement list
Member is when to judge current gear be lowest gear, the default pressure at expulsion section according to where Compressor Discharge Pressure Pc, control wind
The gear of machine;When it is not lowest gear that the 4th judging unit, which judges current gear, reduce wind turbine according to the second predeterminated frequency
Gear, so that refrigerant coefficient n is in the first pre-set interval.
In the technical scheme, when judging that refrigerant coefficient n is in the second pre-set interval, the current of wind turbine is determined whether
Gear whether be wind turbine lowest gear, if current gear is lowest gear, according to where Compressor Discharge Pressure Pc
Default pressure at expulsion section, controls the gear of wind turbine, if current gear is not lowest gear, dropped with the second predeterminated frequency
The gear of low wind turbine, so that the gear of wind turbine is reduced, after one or many operations, until refrigerant coefficient n is in the first preset areas
In, and then realize the automated control to wind turbine gear.
In any of the above-described technical solution, it is preferable that further include:5th judging unit, for sentencing when the 3rd judging unit
When disconnected refrigerant coefficient n is not in the second pre-set interval, determine whether refrigerant coefficient n whether in the 3rd pre-set interval;6th
Judging unit, for when the 5th judging unit judges that refrigerant coefficient n is in the 3rd pre-set interval, determining whether working as wind turbine
Preceding gear whether be wind turbine highest gear;6th control unit, for judging that current gear is highest when the 6th judging unit
During gear, the default pressure at expulsion section according to where Compressor Discharge Pressure Pc, controls the gear of wind turbine;When the 6th judgement is single
Member increases the gear of wind turbine according to the 3rd predeterminated frequency, so that refrigerant coefficient n exists when to judge current gear be not highest gear
In first pre-set interval.
In the technical scheme, when judging that refrigerant coefficient n is in the 3rd pre-set interval, the current of wind turbine is determined whether
Gear whether be wind turbine highest gear, if current gear is highest gear, according to where Compressor Discharge Pressure Pc
Default pressure at expulsion section, is controlled the gear of wind turbine, if current gear is not highest gear, is carried with the 3rd predeterminated frequency
The gear of wind turbine is risen, so that the gear of wind turbine is lifted, after one or many operations, until refrigerant coefficient n is in the first preset areas
In, and then realize the automated control to wind turbine gear.
In any of the above-described technical solution, it is preferable that the second computing unit, the refrigerant coefficient n for calculating current are specific
Including:According to formula:N=(Tb-Tc)/(Tb-Th), calculates the refrigerant coefficient n.
In the technical scheme, formula is passed through:N=(Tb-Tc)/(Tb-Th), calculates refrigerant coefficient n, so as to obtain cold
Matchmaker coefficient n, is controlled with the operational taps to wind turbine.
Embodiment according to the third aspect of the invention we, a kind of air conditioner proposed by the present invention, including:Such as above-mentioned technical proposal
Any one of air-conditioning system control device.
Air conditioner proposed by the present invention, because of the control dress including the air-conditioning system as any one of above-mentioned technical proposal
Put, therefore, whole beneficial effects of the control device with the air-conditioning system as any one of above-mentioned technical proposal,
This is no longer stated one by one.
The additional aspect and advantage of the present invention will become obvious in following description section, or the practice by the present invention
Recognize.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein:
Fig. 1 shows the flow chart of the control method of air-conditioning system provided by one embodiment of the present invention;
Fig. 2 shows the flow chart of the control method for the air-conditioning system that another embodiment of the present invention provides;
Fig. 3 shows the flow chart of the control method for the air-conditioning system that another embodiment of the present invention provides;
Fig. 4 shows the schematic block diagram of the control device of air-conditioning system provided by one embodiment of the present invention;
Fig. 5 shows the schematic block diagram of the control device for the air-conditioning system that another embodiment of the present invention provides;
Fig. 6 shows the schematic block diagram of the control device for the air-conditioning system that another embodiment of the present invention provides.
Embodiment
It is to better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied the present invention is further described in detail.It should be noted that in the case where there is no conflict, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be implemented using other different from other modes described here, therefore, protection scope of the present invention and from described below
Specific embodiment limitation.
Hoistable platform component 10 described according to some embodiments of the invention and dish-washing machine 1 are described referring to Fig. 1 to Fig. 4.
Referring to Fig. 1 to Fig. 6 describe the throttling control method of described according to some embodiments of the invention air-conditioning system with
The throttle control device of air-conditioning system.
Fig. 1 shows the flow chart of the control method of air-conditioning system provided by one embodiment of the present invention.
As shown in Figure 1, the control method of air-conditioning system provided by one embodiment of the present invention includes:
Step 102:In real time detection Compressor Discharge Pressure Pc, outdoor environment temperature Th, condensator outlet refrigerant pressure P or
Condenser inlet refrigerant pressure, outdoor condensator outlet line temperature Tc;
Step 104:Wind turbine is controlled to run the first preset time with original speed position corresponding with outdoor environment temperature Th;
Step 106:According in condensator outlet refrigerant pressure P, condenser inlet refrigerant pressure and Compressor Discharge Pressure
Any one draws the corresponding saturation temperature Tb of current refrigerant pressure, and calculates current refrigerant coefficient n;
Step 108:According to the pre-set interval where refrigerant coefficient n, the operational taps of wind turbine are controlled.
The control method of air-conditioning system provided by the invention, after air conditioner startup, with corresponding to outdoor environment temperature Th
Preset gear operation the first preset time of wind turbine, and according to condensator outlet refrigerant pressure P, condenser inlet refrigerant pressure with
Any one in Compressor Discharge Pressure Pc three draws the corresponding saturation temperature Tb of current refrigerant pressure, and then calculates current
Refrigerant coefficient n, so that by the pre-set interval where refrigerant coefficient n, controls the operational taps of wind turbine, and then to the gear of wind turbine
Automatically adjust, also, reasonably optimizing controlling party is carried out to the gear of wind turbine according to the pre-set interval where refrigerant coefficient n
Formula, realizes the gear of automatic adjustment wind turbine, wind turbine is in optimal operating status all the time, so as to improve the heat exchange efficiency of unit
And reliability, run in a manner of more energy-efficient, improve the heat transfer effect of whole air-conditioning system.
Fig. 2 shows the flow chart of the control method for the air-conditioning system that another embodiment of the present invention provides.
As shown in Fig. 2, the control method for the air-conditioning system that another embodiment of the present invention provides includes:
Step 202:In real time detection Compressor Discharge Pressure Pc, outdoor environment temperature Th, condensator outlet refrigerant pressure P or
Condenser inlet refrigerant pressure, outdoor condensator outlet line temperature Tc;
Step 204:Wind turbine is controlled to run the first preset time with original speed position corresponding with outdoor environment temperature Th;
Step 206:According to condensator outlet refrigerant pressure P, condenser inlet refrigerant pressure and Compressor Discharge Pressure Pc
In any one draw the corresponding saturation temperature Tb of current refrigerant pressure, and calculate current refrigerant coefficient n;
Step 208:Refrigerant coefficient n is judged whether in the first pre-set interval, when judging result is to be, performs step
210, when judging result is no, perform step 220;
Step 210:Refrigerant coefficient n is judged whether in the second pre-set interval, when judging result is to be, performs step
212, when judging result is no, perform step 216;
Step 212:Judge wind turbine current gear whether be wind turbine lowest gear, when judging result for be when, perform
Step 220, when judging result is no, step 214 is performed;
Step 214:Reduce the gear of wind turbine according to the second predeterminated frequency, re-execute step 208;
Step 216:Judge wind turbine current gear whether be wind turbine highest gear, when judging result for be when, perform
Step 220, when judging result is no, step 218 is performed;
Step 218:According to the gear of the 3rd predeterminated frequency increase wind turbine, step 208 is re-executed;
Step 220:Default pressure at expulsion section according to where Compressor Discharge Pressure Pc, controls the gear of wind turbine.
The control method of air-conditioning system provided by the invention, after air conditioner startup, with corresponding to outdoor environment temperature Th
Preset gear operation the first preset time of wind turbine, and according to condensator outlet refrigerant pressure P, condenser inlet refrigerant pressure with
Any one in Compressor Discharge Pressure three draws the corresponding saturation temperature of current refrigerant pressure, and then calculates current refrigerant
Coefficient n, when refrigerant coefficient n is in the first pre-set interval, the default pressure at expulsion area according to where Compressor Discharge Pressure Pc
Between, control the gear of wind turbine;When judging that refrigerant coefficient n is in the second pre-set interval, the current gear of wind turbine is determined whether
Whether be wind turbine lowest gear, it is default according to where Compressor Discharge Pressure Pc if current gear is lowest gear
Pressure at expulsion section, controls the gear of wind turbine, if current gear is not lowest gear, wind is reduced with the second predeterminated frequency
The gear of machine, so that the gear of wind turbine is reduced, after one or many operations, until refrigerant coefficient n is in the first pre-set interval;
When judging that refrigerant coefficient n is in the 3rd pre-set interval, whether the current gear for determining whether wind turbine is the most high-grade of wind turbine
Position, if current gear is highest gear, the default pressure at expulsion section according to where Compressor Discharge Pressure Pc, controls wind
The gear of machine, if current gear is not highest gear, with the gear of the 3rd predeterminated frequency lifting wind turbine, so as to lift wind
The gear of machine, after one or many operations, until refrigerant coefficient n in the first pre-set interval, realizes automatic adjustment wind turbine
Gear, makes wind turbine be in optimal operating status all the time, so that the heat exchange efficiency and reliability of unit are improved, more efficiently to save
The mode of energy is run, and improves the heat transfer effect of whole air-conditioning system.
Fig. 3 shows the flow chart of the control method for the air-conditioning system that another embodiment of the present invention provides.
As shown in figure 3, the control method for the air-conditioning system that another embodiment of the present invention provides includes:
Step 302:In real time detection Compressor Discharge Pressure Pc, outdoor environment temperature Th, condensator outlet refrigerant pressure P or
Condenser inlet refrigerant pressure, outdoor condensator outlet line temperature Tc;
Step 304:Wind turbine is controlled to run the first preset time with original speed position corresponding with outdoor environment temperature Th;
Step 306:According to condensator outlet refrigerant pressure P, condenser inlet refrigerant pressure and Compressor Discharge Pressure Pc
In any one draw the corresponding saturation temperature Tb of current refrigerant pressure, and according to formula:N=(Tb-Tc)/(Tb-Th), calculates and works as
Preceding refrigerant coefficient n;
Step 308:Refrigerant coefficient n is judged whether in the first pre-set interval, when judging result is to be, performs step
320, when judging result is no, perform step 310;
Step 310:Refrigerant coefficient n is judged whether in the second pre-set interval, when judging result is to be, performs step
312, when judging result is no, perform step 316;
Step 312:Judge wind turbine current gear whether be wind turbine lowest gear, when judging result for be when, perform
Step 320, when judging result is no, step 314 is performed;
Step 314:Reduce the gear of wind turbine according to the second predeterminated frequency, re-execute step 308;
Step 316:Judge wind turbine current gear whether be wind turbine highest gear, when judging result for be when, perform
Step 320, when judging result is no, step 318 is performed;
Step 318:According to the gear of the 3rd predeterminated frequency increase wind turbine;
Step 320:Obtain Compressor Discharge Pressure Pc;
Step 322:Determine the default pressure at expulsion section where the Compressor Discharge Pressure Pc;
Step 324:Compressor Discharge Pressure Pc is in the second default pressure at expulsion section;
Step 326:Reduce the gear of wind turbine, until lowest gear;
Step 328:Compressor Discharge Pressure Pc is in the first default pressure at expulsion section;
Step 330:Keep the wind shelves of wind turbine constant;
Step 332:Compressor Discharge Pressure Pc is in the 3rd default pressure at expulsion section;
Step 334:Increase the gear of wind turbine, until highest gear.
The control method of air-conditioning system provided by the invention, after air conditioner startup, with corresponding to outdoor environment temperature Th
Preset gear operation the first preset time of wind turbine, and according to condensator outlet refrigerant pressure P, condenser inlet refrigerant pressure with
Any one in Compressor Discharge Pressure Pc three draws the corresponding saturation temperature of current refrigerant pressure, and according to formula:N=(Tb-
Tc)/(Tb-Th), calculates the refrigerant coefficient n, when refrigerant coefficient n is in the first pre-set interval, obtains current compressor
Pressure at expulsion Pc, determines the default pressure at expulsion section where Compressor Discharge Pressure Pc, wherein, as Compressor Discharge Pressure Pc
At the first default pressure at expulsion section, i.e. current compressor pressure at expulsion Pc is less than or equal to A, during more than or equal to B, holding wind turbine
Gear it is constant;When Compressor Discharge Pressure Pc is in the second default pressure at expulsion section, i.e. current compressor pressure at expulsion Pc
During less than B, reduce the gear of wind turbine, after one or many operations, until the gear of wind turbine is preferably minimized;Work as compressor air-discharging
Pressure Pc when i.e. current compressor pressure at expulsion Pc is more than A, increases the gear of wind turbine at the 3rd default pressure at expulsion section,
After one or many operations, until the gear of wind turbine is raised to highest;When judging that refrigerant coefficient n is in the second pre-set interval,
Determine whether wind turbine current gear whether be wind turbine lowest gear, if current gear is lowest gear, according to pressure
Default pressure at expulsion section where contracting machine pressure at expulsion Pc, controls the gear of wind turbine, if current gear is not lowest gear
When, then the gear of wind turbine is reduced with the second predeterminated frequency, so that the gear of wind turbine is reduced, after one or many operations, until
Refrigerant coefficient n is in the first pre-set interval;When judging that refrigerant coefficient n is in the 3rd pre-set interval, wind turbine is determined whether
Current gear whether be wind turbine highest gear, if current gear is highest gear, according to Compressor Discharge Pressure Pc institutes
Default pressure at expulsion section, the gear of wind turbine is controlled, if current gear is not highest gear, with the 3rd default frequency
Rate lifts the gear of wind turbine, so that the gear of wind turbine is lifted, after one or many operations, until refrigerant coefficient n pre- first
If in section, realize the gear of automatic adjustment wind turbine, wind turbine is in optimal operating status all the time, so as to improve changing for unit
The thermal efficiency and reliability, are run in a manner of more energy-efficient, improve the heat transfer effect of whole air-conditioning system.
In a particular embodiment, pre-set interval includes:First pre-set interval, the second pre-set interval and the 3rd pre-set interval;
Wherein, the scope of the first pre-set interval is that, more than or equal to a, the scope of the second pre-set interval is pre- less than a, the 3rd less than or equal to b
It more than b, a and b is constant that if the scope in section, which is,.Such as:A=0.1;B=2, i.e. the first pre-set interval are [0.1,2], second
Pre-set interval is for more than 2 less than 0.1, the 3rd pre-set interval.
In a particular embodiment, after air conditioner unit receives power-on command, unit start, wind turbine is according to outdoor ring
Temperature Th corresponding initial wind shelves in border run some seconds, and detect Compressor Discharge Pressure Pc, outdoor environment temperature Th in real time, cold
Condenser outlet refrigerant pressure P, outdoor condensator outlet line temperature Tc.Drawn according to condensator outlet refrigerant pressure P current cold
The corresponding saturation temperature of matchmaker's pressure, and according to formula:N=(Tb-Tc)/(Tb-Th), calculates the refrigerant coefficient n.
Further, judge whether refrigerant coefficient n=[a, b] sets up, if so, then wind turbine enters Compressor Discharge Pressure
Pc control logics.If Pc >=A, the current gear for controlling wind turbine adds 1 grade, until wind shelves increase to most strong wind shelves, then no longer increases
Greatly;If Pc≤B, the current gear for controlling wind turbine subtracts 1 grade, until wind shelves are reduced to 0, then no longer reduces;If B < Pc < A,
Wind shelves carry out keeping current wind shelves not adjust.First compression machine pressure at expulsion Pc was detected every some seconds, carries out repeating judgement.
If refrigerant coefficient n=[a, b] is invalid, then determine whether n < a set up, if so, then determine whether
Whether current wind shelves are minimum wind shelves, if minimum wind shelves, then go successively to Compressor Discharge Pressure Pc control logics and adjust wind
Shelves, if not minimum wind shelves, then currently the gear of control wind turbine subtracts 1 grade, and is once judged every some minutes.
If refrigerant coefficient n < a are invalid, determine whether n > b set up, if so, determine whether current wind
Whether shelves are most strong wind shelves, if most strong wind shelves, then go successively to Compressor Discharge Pressure Pc control logics and adjust wind shelves, if not
It is most strong wind shelves, then currently the gear of control wind turbine adds 1 grade, and is once judged every some minutes.
Herein it should be noted that since refrigerant coefficient n and the first pre-set interval, the second pre-set interval and the 3rd are default
Section enumerates the situation included by whole refrigerant coefficient n, therefore, when judging refrigerant coefficient n not in the second pre-set interval, then
Illustrate refrigerant coefficient n in the 3rd pre-set interval, be i.e. achievable to wind can not carry out further judging to refrigerant coefficient n
The control of machine gear;Correspondingly, when judging refrigerant coefficient n not in three pre-set intervals, then illustrate that refrigerant coefficient n is pre- second
If section, meanwhile, the mode of control wind turbine gear is to control the rotating speed of wind turbine.
As shown in figure 4, embodiment, the present invention propose a kind of control dress of air-conditioning system according to the second aspect of the invention
400 are put, air-conditioning system includes outdoor unit, and outdoor unit includes outdoor unit environment temperature sensor, compressor and compressor air-discharging pressure
Force snesor, outdoor heat exchanger and outdoor heat exchanger line temperature sensor, outdoor condenser refrigerant pressure sensor, Yi Jifeng
Machine, including:Detection unit 402, for detecting Compressor Discharge Pressure Pc, outdoor environment temperature Th in real time, condensator outlet is cold
Matchmaker's pressure P, condenser inlet refrigerant pressure and any one in the Compressor Discharge Pressure, outdoor condensator outlet line temperature
Tc;First control unit 404, for controlling wind turbine to run the first preset time with preset gear;First computing unit 406, is used
Drawn according to condensator outlet refrigerant pressure P, condenser inlet refrigerant pressure and any one in the Compressor Discharge Pressure
The corresponding saturation temperature Tb of current refrigerant pressure;Second computing unit 408, for calculating current refrigerant coefficient n;Second control
Unit 410, after the first preset time of fan operation, according to the pre-set interval where refrigerant coefficient n, controls the operation shelves of wind turbine
Position;Wherein, when preset gear is started shooting for air-conditioning system, original speed position corresponding with outdoor environment temperature Th.
The control device of air-conditioning system proposed by the present invention, after air conditioner startup, with corresponding to outdoor environment temperature Th
Preset gear operation the first preset time of wind turbine, and according to condensator outlet refrigerant pressure P, condenser inlet refrigerant pressure with
Any one in the Compressor Discharge Pressure three draws the corresponding saturation temperature of current refrigerant pressure, and then calculates current
Refrigerant coefficient n, so that by the pre-set interval where refrigerant coefficient n, controls the operational taps of wind turbine, and then to the gear of wind turbine
Automatically adjust, also, reasonably optimizing controlling party is carried out to the gear of wind turbine according to the pre-set interval where refrigerant coefficient n
Formula, realizes the gear of automatic adjustment wind turbine, wind turbine is in optimal operating status all the time, so as to improve the heat exchange efficiency of unit
And reliability, run in a manner of more energy-efficient, improve the heat transfer effect of whole air-conditioning system.
As shown in figure 5, according to another embodiment of the invention, the present invention proposes a kind of control dress of air-conditioning system
500 are put, air-conditioning system includes outdoor unit, and outdoor unit includes outdoor unit environment temperature sensor, compressor and compressor air-discharging pressure
Force snesor, outdoor heat exchanger and outdoor heat exchanger line temperature sensor, outdoor condenser refrigerant pressure sensor, Yi Jifeng
Machine, including:Detection unit 502, for detecting Compressor Discharge Pressure Pc, outdoor environment temperature Th in real time, condensator outlet is cold
Matchmaker's pressure P, condenser inlet refrigerant pressure and any one in the Compressor Discharge Pressure, outdoor condensator outlet line temperature
Tc;First control unit 504, for controlling wind turbine to run the first preset time with preset gear;First computing unit 506, is used
Drawn according to condensator outlet refrigerant pressure P, condenser inlet refrigerant pressure and any one in the Compressor Discharge Pressure
The corresponding saturation temperature Tb of current refrigerant pressure;Second computing unit 508, for calculating current refrigerant coefficient n;Second control
Unit 510, after the first preset time of fan operation, according to the pre-set interval where refrigerant coefficient n, controls the operation shelves of wind turbine
Position;Wherein, when preset gear is started shooting for air-conditioning system, original speed position corresponding with outdoor environment temperature Th;First judging unit
512, for judging refrigerant coefficient n whether in the first pre-set interval;3rd control unit 514, for when the first judging unit
512 when judging that refrigerant coefficient n is in the first pre-set interval, the default pressure at expulsion area according to where Compressor Discharge Pressure Pc
Between, control the gear of wind turbine;When the first judging unit 512 judges refrigerant coefficient n not in the first pre-set interval, according to refrigerant
The gear of pre-set interval adjustment wind turbine where coefficient n, so that refrigerant coefficient n is in the first pre-set interval;3rd judging unit
516, for judging refrigerant coefficient n whether in the second pre-set interval;4th judging unit 518, for when the 3rd judging unit
516 when judging that refrigerant coefficient n is in the second pre-set interval, determine whether wind turbine current gear whether be wind turbine deep low gear
Position;5th control unit 520, for when it is lowest gear that the 4th judging unit, which judges 518 current gears, being arranged according to compressor
Default pressure at expulsion section where atmospheric pressure Pc, controls the gear of wind turbine;When the 4th judging unit 518 judges current gear not
When being lowest gear, reduce the gear of wind turbine according to the second predeterminated frequency, so that refrigerant coefficient n is in the first pre-set interval;
5th judging unit 522, for when the 3rd judging unit 516 judges refrigerant coefficient n not in the second pre-set interval, further
Judge refrigerant coefficient n whether in the 3rd pre-set interval;6th judging unit 524, for when the 5th judging unit 522 judge it is cold
When matchmaker's coefficient n is in the 3rd pre-set interval, determine whether wind turbine current gear whether be wind turbine highest gear;6th control
Unit 526 processed, for when it is highest gear that the 5th judging unit 522, which judges current gear, according to Compressor Discharge Pressure Pc
The default pressure at expulsion section at place, controls the gear of wind turbine;When the 6th judging unit judges that 524 current gears are not most high-grade
During position, according to the gear of the 3rd predeterminated frequency increase wind turbine, so that refrigerant coefficient n is in the first pre-set interval.
As shown in fig. 6, according to another embodiment of the invention, the present invention proposes a kind of control dress of air-conditioning system
600 are put, air-conditioning system includes outdoor unit, and outdoor unit includes outdoor unit environment temperature sensor, compressor and compressor air-discharging pressure
Force snesor, outdoor heat exchanger and outdoor heat exchanger line temperature sensor, outdoor condenser refrigerant pressure sensor, Yi Jifeng
Machine, including:Detection unit 602, for detecting Compressor Discharge Pressure Pc, outdoor environment temperature Th in real time, condensator outlet is cold
Matchmaker's pressure P, condenser inlet refrigerant pressure and any one in the Compressor Discharge Pressure three, outdoor condensator outlet pipeline
Temperature Tc;First control unit 604, for controlling wind turbine to run the first preset time with preset gear;First computing unit
606, for according to condensator outlet refrigerant pressure P, condenser inlet refrigerant pressure with it is any in the Compressor Discharge Pressure
Person draws the corresponding saturation temperature Tb of current refrigerant pressure;Second computing unit 608, for calculating current refrigerant coefficient n;The
Two control units 610, after the first preset time of fan operation, according to the pre-set interval where refrigerant coefficient n, control wind turbine
Operational taps;Wherein, when preset gear is started shooting for air-conditioning system, original speed position corresponding with outdoor environment temperature Th;First sentences
Disconnected unit 612, for judging refrigerant coefficient n whether in the first pre-set interval;3rd control unit 614, sentences for working as first
When disconnected unit 612 judges that refrigerant coefficient n is in the first pre-set interval, the default exhaust pressure according to where Compressor Discharge Pressure Pc
Power section, controls the gear of wind turbine;When the first judging unit 612 judges refrigerant coefficient n not in the first pre-set interval, according to
The gear of pre-set interval adjustment wind turbine where refrigerant coefficient n, so that refrigerant coefficient n is in the first pre-set interval;3rd judges
Unit 616, for judging refrigerant coefficient n whether in the second pre-set interval;4th judging unit 618, for when the 3rd judgement
When unit 616 judges that refrigerant coefficient n is in the second pre-set interval, determine whether wind turbine current gear whether be wind turbine most
Low-grade location;5th control unit 620, for when it is lowest gear that the 4th judging unit 618, which judges current gear, according to compression
Default pressure at expulsion section where machine pressure at expulsion Pc, controls the gear of wind turbine;When the 4th judging unit 618 judges current shelves
When position is not lowest gear, reduce the gear of wind turbine according to the second predeterminated frequency, so that refrigerant coefficient n is in the first pre-set interval
It is interior;5th judging unit 622, for when the 3rd judging unit 616 judges refrigerant coefficient n not in the second pre-set interval, into
Whether one step judges refrigerant coefficient n in the 3rd pre-set interval;6th judging unit 624, for sentencing when the 5th judging unit 622
When disconnected refrigerant coefficient n is in the 3rd pre-set interval, determine whether wind turbine current gear whether be wind turbine highest gear;The
Six control units 626, for when it is highest gear that the 5th judging unit 622, which judges current gear, according to compressor air-discharging pressure
Default pressure at expulsion section where power Pc, controls the gear of wind turbine;When the 6th judging unit 626 judges that current gear is not most
During high tap position, according to the gear of the 3rd predeterminated frequency increase wind turbine, so that refrigerant coefficient n is in the first pre-set interval;Obtain
Unit 628, for obtaining Compressor Discharge Pressure Pc according to the first predeterminated frequency;Second judging unit 630, judges that compressor is arranged
Default pressure at expulsion section where atmospheric pressure Pc;4th control unit 632, for judging compression when the second judging unit 630
Machine pressure at expulsion Pc keeps the wind shelves of wind turbine constant at the first default pressure at expulsion section;When the second judging unit 630 judges
Compressor Discharge Pressure Pc reduces the gear of wind turbine, to lowest gear at the second default pressure at expulsion section;When the second judgement
Unit 630 judges that Compressor Discharge Pressure Pc at the 3rd default pressure at expulsion section, increases the gear of wind turbine, to most high-grade
Position.
In a particular embodiment, pre-set interval includes:First pre-set interval, the second pre-set interval and the 3rd pre-set interval;
Wherein, the scope of the first pre-set interval is that, more than or equal to a, the scope of the second pre-set interval is pre- less than a, the 3rd less than or equal to b
It more than b, a and b is constant that if the scope in section, which is,.
In a particular embodiment, after air conditioner unit receives power-on command, unit start, wind turbine is according to outdoor ring
Temperature Th corresponding initial wind shelves in border run some seconds, and detect Compressor Discharge Pressure Pc, outdoor environment temperature Th in real time, cold
Condenser outlet refrigerant pressure P, outdoor condensator outlet line temperature Tc.Drawn according to condensator outlet refrigerant pressure P current cold
The corresponding saturation temperature of matchmaker's pressure, and according to formula:N=(Tb-Tc)/(Tb-Th), calculates the refrigerant coefficient n.
Further, judge whether refrigerant coefficient n=[a, b] sets up, if so, then wind turbine enters Compressor Discharge Pressure
Pc control logics.If Pc >=A, the current gear for controlling wind turbine adds 1 grade, until wind shelves increase to most strong wind shelves, then no longer increases
Greatly;If Pc≤B, the current gear for controlling wind turbine subtracts 1 grade, until wind shelves are reduced to 0, then no longer reduces;If B < Pc < A,
Wind shelves carry out keeping current wind shelves not adjust.First compression machine pressure at expulsion Pc was detected every some seconds, carries out repeating judgement.
If refrigerant coefficient n=[a, b] is invalid, then determine whether n < a set up, if so, then determine whether
Whether current wind shelves are minimum wind shelves, if minimum wind shelves, then go successively to Compressor Discharge Pressure Pc control logics and adjust wind
Shelves, if not minimum wind shelves, then currently the gear of control wind turbine subtracts 1 grade, and is once judged every some minutes;
If refrigerant coefficient n < a are invalid, determine whether n > b set up, if so, determine whether current wind
Whether shelves are most strong wind shelves, if most strong wind shelves, then go successively to Compressor Discharge Pressure Pc control logics and adjust wind shelves, if not
It is most strong wind shelves, then currently the gear of control wind turbine adds 1 grade, and is once judged every some minutes.
Herein it should be noted that since refrigerant coefficient n and the first pre-set interval, the second pre-set interval and the 3rd are default
Section enumerates the situation included by whole refrigerant coefficient n, therefore, when judging refrigerant coefficient n not in the second pre-set interval, then
Illustrate refrigerant coefficient n in the 3rd pre-set interval, be i.e. achievable to wind can not carry out further judging to refrigerant coefficient n
The control of machine gear;Correspondingly, when judging refrigerant coefficient n not in three pre-set intervals, then illustrate that refrigerant coefficient n is pre- second
If section, meanwhile, the mode of control wind turbine gear is to control the rotating speed of wind turbine.
In conclusion the control method of air-conditioning system provided by the invention, device and air conditioner, after air conditioner startup,
The first preset time of wind turbine is run with the preset gear corresponding to outdoor environment temperature Th, and according to condensator outlet refrigerant pressure
P, condenser inlet refrigerant pressure show that current refrigerant pressure is corresponding full with any one in the Compressor Discharge Pressure three
And temperature, and then current refrigerant coefficient n is calculated, so that by the pre-set interval where refrigerant coefficient n, control the fortune of wind turbine
Row gear, and then automatically adjust to the gear of wind turbine, also, according to the pre-set interval where refrigerant coefficient n to wind turbine
Gear carries out reasonably optimizing control mode, realizes the gear of automatic adjustment wind turbine, wind turbine is in optimal operating status all the time,
So as to improve the heat exchange efficiency and reliability of unit, run in a manner of more energy-efficient, improve changing for whole air-conditioning system
Thermal effect.
In the present invention, term " first ", " second " are only used for the purpose described, and it is not intended that instruction or hint phase
To importance, the term such as term " connected ", " connection " should all be interpreted broadly, for example, " connection " can be fixedly connected, also may be used
To be to be detachably connected, or it is integrally connected;" connected " can be directly connected, and can also be indirectly connected by intermediary,
For the ordinary skill in the art, it can understand that above-mentioned term in the present invention specific contains as the case may be
Justice.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean to combine at least one reality that the particular features, structures, materials, or characteristics that the embodiment or example describe are contained in the present invention
Apply in example or example.In the present specification, schematic expression of the above terms is not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more embodiments or example with
Suitable mode combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (17)
1. a kind of control method of air-conditioning system, the air-conditioning system includes outdoor unit, and the outdoor unit includes outdoor unit environment
Temperature sensor, compressor and compressor discharge pressure sensor, outdoor heat exchanger and outdoor heat exchanger line temperature sensor,
Outdoor condenser refrigerant pressure sensor, and wind turbine, it is characterised in that the control method includes:
Detection Compressor Discharge Pressure Pc, outdoor environment temperature Th in real time, condensator outlet refrigerant pressure P or condenser inlet are cold
Matchmaker's pressure, outdoor condensator outlet line temperature Tc;
The wind turbine is controlled to run the first preset time with preset gear;
According to the condensator outlet refrigerant pressure P, the condenser inlet refrigerant pressure and the Compressor Discharge Pressure Pc
In any one, draw the corresponding saturation temperature Tb of current refrigerant pressure, and calculate current refrigerant coefficient n;
According to the pre-set interval where the refrigerant coefficient n, the operational taps of the wind turbine are controlled;
Wherein, when the preset gear is started shooting for the air-conditioning system, original speed position corresponding with the outdoor environment temperature Th.
2. the control method of air-conditioning system according to claim 1, it is characterised in that
The pre-set interval includes:First pre-set interval, the second pre-set interval and the 3rd pre-set interval;
Wherein, the scope of first pre-set interval is that, more than or equal to a, the scope of second pre-set interval is less than or equal to b
Less than a, it more than b, a and the b is constant that the scope of the 3rd pre-set interval, which is,.
3. the control method of air-conditioning system according to claim 1, it is characterised in that described according to the refrigerant coefficient n
The pre-set interval at place, the step of controlling the operational taps of the wind turbine, specifically includes:
Judge the refrigerant coefficient n whether in first pre-set interval;
It is default according to where the Compressor Discharge Pressure Pc when the refrigerant coefficient n is in first pre-set interval
Pressure at expulsion section, controls the gear of the wind turbine;
When the refrigerant coefficient n is not in first pre-set interval, the pre-set interval according to where the refrigerant coefficient n
The gear of the wind turbine is adjusted, so that the refrigerant coefficient n is in first pre-set interval.
4. the control method of air-conditioning system according to claim 3, it is characterised in that
The default pressure at expulsion section includes, the first default pressure at expulsion section, the second default pressure at expulsion section and the 3rd
Default pressure at expulsion section;
Wherein, the value range in the described first default pressure at expulsion section is less than A, more than B;Described second default pressure at expulsion
The value range in section is less than or equal to B;Described 3rd default pressure at expulsion section is more than or equal to A.
5. the control method of air-conditioning system according to claim 4, it is characterised in that described when the refrigerant coefficient n exists
When in first pre-set interval, the default pressure at expulsion section according to where the Compressor Discharge Pressure Pc, described in control
The step of gear of wind turbine, specifically include:
The Compressor Discharge Pressure Pc is obtained according to the first predeterminated frequency;
Determine the default pressure at expulsion section where the Compressor Discharge Pressure Pc;
When the Compressor Discharge Pressure Pc is in the described first default pressure at expulsion section, the wind shelves of the wind turbine are kept not
Become;
When the Compressor Discharge Pressure Pc is in the described second default pressure at expulsion section, reduce the gear of the wind turbine, extremely
Lowest gear;
When the Compressor Discharge Pressure Pc is in the described 3rd default pressure at expulsion section, increase the gear of the wind turbine, extremely
Highest gear.
6. the control method of air-conditioning system according to claim 3, it is characterised in that described to work as the refrigerant coefficient n not
When in first pre-set interval, the pre-set interval adjusts the gear of the wind turbine according to where the refrigerant coefficient n, with
So that steps of the refrigerant coefficient n in first pre-set interval, specifically includes:
Judge the refrigerant coefficient n whether in second pre-set interval;
When the refrigerant coefficient n is in second pre-set interval, determine whether the wind turbine current gear whether be
The lowest gear of the wind turbine;
When the current gear is the lowest gear, according to the default pressure at expulsion where the Compressor Discharge Pressure Pc
Section, controls the gear of the wind turbine;
When the current gear is not the lowest gear, reduce the gear of the wind turbine according to the second predeterminated frequency, so that
The refrigerant coefficient n is obtained in first pre-set interval.
7. the control method of air-conditioning system according to claim 6, it is characterised in that
When the refrigerant coefficient n is not in second pre-set interval, determine whether the refrigerant coefficient n whether described
In 3rd pre-set interval;
When the refrigerant coefficient n is in the 3rd pre-set interval, determine whether the wind turbine current gear whether be
The highest gear of the wind turbine;
When the current gear is the highest gear, according to the default pressure at expulsion where the Compressor Discharge Pressure Pc
Section, controls the gear of the wind turbine;
When the current gear is not the highest gear, increase the gear of the wind turbine according to the 3rd predeterminated frequency, so that
The refrigerant coefficient n is obtained in first pre-set interval.
8. the control method of air-conditioning system according to any one of claim 1 to 7, it is characterised in that the calculating is cold
The step of matchmaker coefficient n, specifically include:
According to formula:N=(Tb-Tc)/(Tb-Th), calculates the refrigerant coefficient n.
9. a kind of control device of air-conditioning system, the air-conditioning system includes outdoor unit, and the outdoor unit includes outdoor unit environment
Temperature sensor, compressor and compressor discharge pressure sensor, outdoor heat exchanger and outdoor heat exchanger line temperature sensor,
Outdoor condenser refrigerant pressure sensor, and wind turbine, it is characterised in that including:
Detection unit, for detecting Compressor Discharge Pressure Pc, outdoor environment temperature Th, condensator outlet refrigerant pressure P in real time
Or condenser inlet refrigerant pressure, outdoor condensator outlet line temperature Tc;
First control unit, for controlling the wind turbine to run the first preset time with preset gear;
First computing unit, for according to the condensator outlet refrigerant pressure P, the condenser inlet refrigerant pressure with it is described
Any one in Compressor Discharge Pressure Pc draws the corresponding saturation temperature Tb of current refrigerant pressure;
Second computing unit, for calculating current refrigerant coefficient n;
Second control unit, it is default according to where the refrigerant coefficient n after the first preset time described in the fan operation
Section, controls the operational taps of the wind turbine;
Wherein, when the preset gear is started shooting for the air-conditioning system, original speed position corresponding with the outdoor environment temperature Th.
10. the control device of air-conditioning system according to claim 9, it is characterised in that
The pre-set interval includes:First pre-set interval, the second pre-set interval and the 3rd pre-set interval;
Wherein, the scope of first pre-set interval is that, more than or equal to a, the scope of second pre-set interval is less than or equal to b
Less than a, it more than b, a and the b is constant that the scope of the 3rd pre-set interval, which is,.
11. the control device of air-conditioning system according to claim 9, it is characterised in that further include:
First judging unit, for judging the refrigerant coefficient n whether in first pre-set interval;
3rd control unit, for judging the refrigerant coefficient n in first pre-set interval when first judging unit
When, the default pressure at expulsion section according to where the Compressor Discharge Pressure Pc, controls the gear of the wind turbine;When described
When one judging unit judges the refrigerant coefficient n not in first pre-set interval, described according to where the refrigerant coefficient n
Pre-set interval adjusts the gear of the wind turbine, so that the refrigerant coefficient n is in first pre-set interval.
12. the control device of air-conditioning system according to claim 11, it is characterised in that
The default pressure at expulsion section includes, the first default pressure at expulsion section, the second default pressure at expulsion section and the 3rd
Default pressure at expulsion section;
Wherein, the value range in the described first default pressure at expulsion section is less than A, more than B;Described second default pressure at expulsion
The value range in section is less than or equal to B;Described 3rd default pressure at expulsion section is more than or equal to A.
13. the control device of air-conditioning system according to claim 12, it is characterised in that further include:
Acquiring unit, for obtaining the Compressor Discharge Pressure Pc according to the first predeterminated frequency;
Second judging unit, judges the default pressure at expulsion section where the Compressor Discharge Pressure Pc;
4th control unit, for judging that the Compressor Discharge Pressure Pc is default described first when second judging unit
During pressure at expulsion section, keep the wind shelves of the wind turbine constant;When second judging unit judges the compressor air-discharging pressure
Power Pc reduces the gear of the wind turbine, to lowest gear at the described second default pressure at expulsion section;When the described second judgement
Compressor Discharge Pressure Pc described in unit judges increases the gear of the wind turbine at the described 3rd default pressure at expulsion section,
To highest gear.
14. the control device of air-conditioning system according to claim 11, it is characterised in that further include:
3rd judging unit, for judging the refrigerant coefficient n whether in second pre-set interval;
4th judging unit, for judging the refrigerant coefficient n in second pre-set interval when the 3rd judging unit
When, determine whether the wind turbine current gear whether be the wind turbine lowest gear;
5th control unit, for when it is the lowest gear that the 4th judging unit, which judges the current gear, according to
Default pressure at expulsion section where the Compressor Discharge Pressure Pc, controls the gear of the wind turbine;When the described 4th judgement
When current gear described in unit judges is not the lowest gear, reduce the gear of the wind turbine according to the second predeterminated frequency, with
So that the refrigerant coefficient n is in first pre-set interval.
15. the control device of air-conditioning system according to claim 14, it is characterised in that further include:
5th judging unit, for judging the refrigerant coefficient n not in second pre-set interval when the 3rd judging unit
When interior, determine whether the refrigerant coefficient n whether in the 3rd pre-set interval;
6th judging unit, for judging the refrigerant coefficient n in the 3rd pre-set interval when the 5th judging unit
When, determine whether the wind turbine current gear whether be the wind turbine highest gear;
6th control unit, for when it is the highest gear that the 6th judging unit, which judges the current gear, according to
Default pressure at expulsion section where the Compressor Discharge Pressure Pc, controls the gear of the wind turbine;When the described 6th judgement
When current gear described in unit judges is not the highest gear, increase the gear of the wind turbine according to the 3rd predeterminated frequency, with
So that the refrigerant coefficient n is in first pre-set interval.
16. the control device of the air-conditioning system according to any one of claim 9 to 15, it is characterised in that described second
Computing unit, the refrigerant coefficient n for calculating current are specifically included:
According to formula:N=(Tb-Tc)/(Tb-Th), calculates the refrigerant coefficient n.
A kind of 17. air conditioner, it is characterised in that including:
The control device of air-conditioning system as any one of claim 9 to 16.
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108534309A (en) * | 2018-04-19 | 2018-09-14 | 广东美的暖通设备有限公司 | Air-conditioning system and its control method |
CN108534310A (en) * | 2018-04-19 | 2018-09-14 | 广东美的暖通设备有限公司 | Air-conditioning system and its control method |
CN109915990A (en) * | 2019-02-22 | 2019-06-21 | 珠海格力电器股份有限公司 | Method and device for controlling fan and air conditioning system |
CN110440406A (en) * | 2019-08-05 | 2019-11-12 | 珠海格力电器股份有限公司 | Fan control method, device and unit equipment |
CN110726219A (en) * | 2019-10-29 | 2020-01-24 | 珠海格力电器股份有限公司 | Control method, device and system of air conditioner, storage medium and processor |
WO2022151747A1 (en) * | 2021-01-15 | 2022-07-21 | 广东美的暖通设备有限公司 | Air conditioning system and refrigerant state inspection method and device thereof |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102518595A (en) * | 2011-12-13 | 2012-06-27 | Tcl空调器(中山)有限公司 | Method for controlling rotating speed of outer fan of multi-split air conditioner |
CN103292421A (en) * | 2013-06-17 | 2013-09-11 | 南京天加空调设备有限公司 | Multi-split refrigeration operation outer draught fan rotating speed control method |
CN103759345A (en) * | 2014-02-21 | 2014-04-30 | 广东志高暖通设备股份有限公司 | Draught fan control method |
JP2015068596A (en) * | 2013-09-30 | 2015-04-13 | 株式会社富士通ゼネラル | Air conditioner |
CN104697106A (en) * | 2013-12-09 | 2015-06-10 | 珠海格力电器股份有限公司 | Pressure control method of air conditioning system |
JP2015124893A (en) * | 2013-12-25 | 2015-07-06 | 株式会社富士通ゼネラル | Air conditioning device |
CN105371403A (en) * | 2015-11-30 | 2016-03-02 | 珠海格力电器股份有限公司 | variable-frequency air-cooled air conditioning unit and control method |
CN105485865A (en) * | 2016-02-16 | 2016-04-13 | 珠海格力电器股份有限公司 | Air conditioner control method and device and air conditioner |
CN105737389A (en) * | 2014-12-10 | 2016-07-06 | 青岛经济技术开发区海尔热水器有限公司 | Efficient defrosting method and device combining fan speed and pressure control |
CN106839294A (en) * | 2017-01-17 | 2017-06-13 | 广东美的暖通设备有限公司 | Control method and device when multiple on-line system and its cryogenic refrigeration |
CN107062564A (en) * | 2017-06-13 | 2017-08-18 | 广东美的暖通设备有限公司 | Control method, air conditioner and the storage medium of air conditioner |
CN107120784A (en) * | 2017-04-07 | 2017-09-01 | 广东美的暖通设备有限公司 | Air-conditioning system and its control method of outdoor fan, device |
-
2017
- 2017-11-03 CN CN201711071787.0A patent/CN107917512B/en active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102518595A (en) * | 2011-12-13 | 2012-06-27 | Tcl空调器(中山)有限公司 | Method for controlling rotating speed of outer fan of multi-split air conditioner |
CN103292421A (en) * | 2013-06-17 | 2013-09-11 | 南京天加空调设备有限公司 | Multi-split refrigeration operation outer draught fan rotating speed control method |
JP2015068596A (en) * | 2013-09-30 | 2015-04-13 | 株式会社富士通ゼネラル | Air conditioner |
CN104697106A (en) * | 2013-12-09 | 2015-06-10 | 珠海格力电器股份有限公司 | Pressure control method of air conditioning system |
JP2015124893A (en) * | 2013-12-25 | 2015-07-06 | 株式会社富士通ゼネラル | Air conditioning device |
CN103759345A (en) * | 2014-02-21 | 2014-04-30 | 广东志高暖通设备股份有限公司 | Draught fan control method |
CN105737389A (en) * | 2014-12-10 | 2016-07-06 | 青岛经济技术开发区海尔热水器有限公司 | Efficient defrosting method and device combining fan speed and pressure control |
CN105371403A (en) * | 2015-11-30 | 2016-03-02 | 珠海格力电器股份有限公司 | variable-frequency air-cooled air conditioning unit and control method |
CN105485865A (en) * | 2016-02-16 | 2016-04-13 | 珠海格力电器股份有限公司 | Air conditioner control method and device and air conditioner |
CN106839294A (en) * | 2017-01-17 | 2017-06-13 | 广东美的暖通设备有限公司 | Control method and device when multiple on-line system and its cryogenic refrigeration |
CN107120784A (en) * | 2017-04-07 | 2017-09-01 | 广东美的暖通设备有限公司 | Air-conditioning system and its control method of outdoor fan, device |
CN107062564A (en) * | 2017-06-13 | 2017-08-18 | 广东美的暖通设备有限公司 | Control method, air conditioner and the storage medium of air conditioner |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108534309A (en) * | 2018-04-19 | 2018-09-14 | 广东美的暖通设备有限公司 | Air-conditioning system and its control method |
CN108534310A (en) * | 2018-04-19 | 2018-09-14 | 广东美的暖通设备有限公司 | Air-conditioning system and its control method |
CN109915990A (en) * | 2019-02-22 | 2019-06-21 | 珠海格力电器股份有限公司 | Method and device for controlling fan and air conditioning system |
CN110440406A (en) * | 2019-08-05 | 2019-11-12 | 珠海格力电器股份有限公司 | Fan control method, device and unit equipment |
CN110726219A (en) * | 2019-10-29 | 2020-01-24 | 珠海格力电器股份有限公司 | Control method, device and system of air conditioner, storage medium and processor |
CN110726219B (en) * | 2019-10-29 | 2020-10-09 | 珠海格力电器股份有限公司 | Control method, device and system of air conditioner, storage medium and processor |
WO2022151747A1 (en) * | 2021-01-15 | 2022-07-21 | 广东美的暖通设备有限公司 | Air conditioning system and refrigerant state inspection method and device thereof |
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