CN107144061B - Compressor cooling means, system and air-conditioning - Google Patents
Compressor cooling means, system and air-conditioning Download PDFInfo
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- CN107144061B CN107144061B CN201710471572.1A CN201710471572A CN107144061B CN 107144061 B CN107144061 B CN 107144061B CN 201710471572 A CN201710471572 A CN 201710471572A CN 107144061 B CN107144061 B CN 107144061B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/024—Compressor control by controlling the electric parameters, e.g. current or voltage
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- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention proposes a kind of compressor cooling means, system and air-conditionings, wherein compressor cooling means, comprising: determines first current value of the compressor when running with predeterminated frequency；If the first current value is not less than predetermined current threshold, adjusts compressor and run with the first frequency lower than predeterminated frequency；Determine the second current value when compressor is run with first frequency；When the second current value is less than predetermined current threshold, cooling action is executed to compressor.According to the technical solution of the present invention, it may be implemented in front of executing cooling action and detect the running current of compressor, when the compressor running current detected is greater than pre-set current value, by adjusting the running frequency for reducing compressor, it is reduced to compressor running current in normal range (NR), a possibility that reducing trigger current frequency limit when executing cooling action, user experience is improved, while extending service life.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of compressor cooling means, a kind of compressor cooling system
System, a kind of computer equipment, a kind of computer readable storage medium and a kind of air-conditioning.
Background technique
In refrigeration compressor ventilating temperature or the excessively high return-air degree of superheat, in order to operate normally compressor, often need
Side spray is therefrom pressed to penetrate the cooling compressor of liquid refrigerants.Typically hot environment operating condition when execute cooling action, machine at this time
Oepration at full load, electric current is larger, close to the electric current frequency limit value or protection value of machine.Existing cooling control method is according to exhaust temperature
Degree or the control opening and closing of the return-air degree of superheat, when there is no considering that cooling solenoid valve is opened, compressor refrigerant circulation moment increases,
Electric current is caused to increase and trigger current frequency limit suddenly, or even after there is also electric current frequency limit, frequency decline or is returned at delivery temperature
The gas degree of superheat reduces, and exits cooling action, after electric current decline, exits electric current frequency limit, and frequency is slowly climbed again, delivery temperature or
The return-air degree of superheat increases again, and triggers cooling action, forms the case where " hydrojet-frequency reducing-raising frequency-hydrojet " constantly fluctuates, a side
Face rings the comfort that user uses, and on the other hand influences solenoid valve and service life of a machine.
Summary of the invention
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
For this purpose, an object of the present invention is to provide a kind of compressor cooling means.
Another object of the present invention is to propose a kind of compressor cooling system.
Yet another object of the invention is that proposing a kind of computer equipment.
Yet another object of the invention is that proposing a kind of computer readable storage medium.
Yet another object of the invention is that proposing a kind of air-conditioning.
In view of this, the technical solution of first aspect present invention proposes a kind of compressor cooling means, comprising: determine pressure
First current value of the contracting machine when being run with predeterminated frequency；If the first current value is not less than predetermined current threshold, compression is adjusted
Machine is run with the first frequency lower than predeterminated frequency；Determine the second current value when compressor is run with first frequency；Second
When current value is less than predetermined current threshold, cooling action is executed to compressor.
In the technical scheme, the running current of compressor and running frequency direct proportionality, running frequency reduce, then
Running current decreases, and before executing cooling action to compressor, determines first when compressor is run with predeterminated frequency
Current value is adjusted compressor and is transported with the first frequency lower than predeterminated frequency if the first current value is not less than predetermined current threshold
Row is realized when detecting that the first current value is greater than pre-set current value, by adjusting the running frequency for reducing compressor, to drop
Low compressor running current, when reducing execution cooling action a possibility that trigger current frequency limit；Determine compressor with the first frequency
The second current value when rate is run, running current later to compressor adjustment running frequency at this time detects, if the second electricity
When flow valuve is less than pre-set current value, illustrate that compressor running current is in the normal range at this time, cooling action executed to compressor,
A possibility that reducing trigger current frequency limit, improves user experience, while extending the service life of compressor.
Wherein, the predeterminated frequency of compressor is frequency when air-conditioning works normally under setting mode, for non-frequency sky
For tune, predeterminated frequency is rated frequency of the air-conditioning under setting mode, for convertible frequency air-conditioner, the running frequency of air-conditioning with
The variation of room temperature and change, predeterminated frequency at this time is the normal working frequency that air-conditioning corresponds to current indoor temperature.
It should be noted that first frequency can obtain respective counts by experiment and the relationship of the first electric current according to the actual situation
According to rear setting, the adjusting of compressor running current is imitated with minimizing because compressor operating frequency reduces to freeze to air-conditioning heating
Premised on the influence of fruit.
In addition it is also necessary to explanation, when air-conditioning is run in different modalities, the corresponding predetermined current of compressor running current
Threshold value is different, and the maximum current of compressor is under special operation condition under the conditions of such as temperature, humidity, and air-conditioning is in different modalities
The corresponding current average of the maximum power of operation starts to execute in different modes cold according to measuring different model air-conditioning
But the raised numerical value of immediate current predetermined current threshold corresponding with the setting of the relationship of specified running current is acted.
In addition, it is necessary to which, it is noted that the cooling action in above-mentioned technical proposal includes but is not limited to be vented cooling action, inhale
Air cooling movement, second vapor injection cooling action and Liquid injection cooling movement.
In the above-mentioned technical solutions, it is preferable that further include: if the first current value is less than predetermined current threshold, to compressor
Execute cooling action.
In the technical scheme, if the first current value is less than predetermined current threshold, illustrate that compressor running current exists at this time
In normal range (NR), without adjusting running current by adjusting compressor operating frequency, cooling action is executed to compressor at this time,
It realizes and compressor running current is detected before executing cooling action to compressor, reduce trigger current frequency limit can
It can property.
In the above-mentioned technical solutions, it is preferable that further include: if the second current value is not less than predetermined current threshold, adjust
Compressor is run with the second frequency lower than first frequency；Determine third current value when compressor is run with second frequency,
When third current value is less than predetermined current threshold, cooling action is executed to compressor.
In the technical scheme, if the second current value is not less than predetermined current threshold, illustrate to still need to transport compressor at this time
Row electric current is adjusted, then continues to adjust compressor with the second frequency operation lower than first frequency, determine compressor with second
Third current value when frequency is run illustrates at this time when third current value is less than predetermined current threshold by adjusting compressor
Running frequency makes compressor running current in the normal range, executes cooling action to compressor at this time, reduces triggering electricity
A possibility that ductility limit frequency, improves user experience, while extending the service life of solenoid valve and compressor.
Wherein, the predeterminated frequency of compressor is frequency when air-conditioning works normally under setting mode, for non-frequency sky
For tune, predeterminated frequency is rated frequency of the air-conditioning under setting mode, for convertible frequency air-conditioner, the running frequency of air-conditioning with
The variation of room temperature and change, predeterminated frequency at this time is the normal working frequency that air-conditioning corresponds to current indoor temperature.
It should be noted that the relationship of compressor operating frequency and running current is obtained through testing according to the actual situation, if
When determining second frequency, in the case where realizing that third current value is less than predetermined current threshold, the normal fortune of compressor is ensured as far as possible
Row is minimized because compressor frequency reduces the influence to air conditioner refrigerating heating effect, and energy saving is repeatedly adjusted by continuous
Section, gradually reduces compressor running current.
In any of the above-described technical solution, it is preferable that further include: after cooling action, compressor is controlled with pre-
If frequency is run.
In the technical scheme, after cooling action, control compressor is run with predeterminated frequency, so that compressor is just
Often operation, so that air-conditioning heating refrigeration effect restores normal, the user experience is improved.
In any of the above-described technical solution, it is preferable that the first electric current when determining that compressor is run with predeterminated frequency
Before value, further includes: after compressor runs preset time with predeterminated frequency, determine the delivery temperature of compressor；In exhaust temperature
When degree is not less than delivery temperature threshold value, the first current value of compressor is detected；After executing cooling action to compressor, also wrap
It includes: stopping cooling action when the delivery temperature of compressor is less than delivery temperature threshold value.
In the technical scheme, after compressor runs preset time with predeterminated frequency, the delivery temperature of compressor is determined,
When delivery temperature is not less than delivery temperature threshold value, illustrate that compressor is cooled down at this time, with safeguards system reliability service；
After executing cooling action to compressor, when the delivery temperature for detecting compressor is less than delivery temperature threshold value, stop cold
But it acts, has saved energy consumption.
It should be noted that the delivery temperature threshold value of the model of different compressors and the corresponding compressor of the type of refrigerant
It is different, need to be tested and be obtained according to the concrete model of air-conditioning.
In addition it is also possible to execute cooling action and knot to compressor according to the delivery temperature of compressor and discharge superheat
Beam cooling action is judged.
In any of the above-described technical solution, it is preferable that the first electric current when determining that compressor is run with predeterminated frequency
Before value, further includes: after compressor runs preset time with predeterminated frequency, determine the return-air degree of superheat of compressor；In return-air
When the degree of superheat is not less than degree of superheat threshold value, the first current value of compressor is detected；After executing cooling action to compressor, also
It include: to stop cooling action when the return-air degree of superheat of compressor is less than degree of superheat threshold value.
In the technical scheme, after compressor runs preset time with predeterminated frequency, the return-air overheat of compressor is determined
Degree, the return-air degree of superheat are the first temperature difference of compressor return air temperature saturation temperature corresponding with condensing pressure, and compressor relies on
Return-air cooling, compressor cannot obtain effective temperature-reducing when the return-air degree of superheat is excessively high, be sentenced by the detection compressor return air degree of superheat
It is disconnected whether to need to execute cooling action to compressor, when the return-air degree of superheat is not less than degree of superheat threshold value, illustrate to need at this time pair
Compressor executes cooling action, then detects the first current value of compressor, further determines whether to meet execution cooling action
Condition；After executing cooling action to compressor, when the return-air degree of superheat for detecting compressor is less than degree of superheat threshold value,
Stop cooling action, saves energy consumption.
The technical solution of second aspect of the present invention proposes a kind of compressor cooling system, comprising: the first electric current determines single
Member, for determining first current value of the compressor when running with predeterminated frequency；First frequency adjustment unit, in the first electricity
When flow valuve is not less than predetermined current threshold, adjusts compressor and run with the first frequency lower than predeterminated frequency；Second electric current determines
Unit, the second current value when for determining that compressor is run with first frequency；First execution unit, in the second current value
When less than predetermined current threshold, cooling action is executed to compressor.
In the technical scheme, the running current of compressor and running frequency direct proportionality, running frequency reduce, then
Running current decreases, before executing cooling action to compressor, by the first current determination unit, determine compressor with
The first current value when predeterminated frequency is run is adjusted single if the first current value is not less than predetermined current threshold by first frequency
Member is adjusted compressor and is run with the first frequency lower than predeterminated frequency, is realized and is being detected the first current value greater than default electricity
When flow valuve, by adjusting the running frequency for reducing compressor, to reduce compressor running current, when reducing execution cooling action
A possibility that trigger current frequency limit；Again by the second current determination unit, second when compressor is run with first frequency is determined
Current value, running current later to compressor adjustment running frequency at this time detects, if the second current value is less than default electricity
When flow valuve, illustrate that compressor running current is in the normal range at this time, by the first execution unit, compressor is executed cooling dynamic
A possibility that making, reducing trigger current frequency limit, improves user experience, while extending the service life of compressor.
It should be noted that first frequency can obtain respective counts by experiment and the relationship of the first electric current according to the actual situation
According to rear setting, the adjusting of compressor running current is imitated with minimizing because compressor operating frequency reduces to freeze to air-conditioning heating
Premised on the influence of fruit.
In addition it is also necessary to explanation, when air-conditioning is run in different modalities, the corresponding predetermined current of compressor running current
Threshold value is different, and the maximum current of compressor is under special operation condition under the conditions of such as temperature, humidity, and air-conditioning is in different modalities
The corresponding current average of the maximum power of operation starts to execute in different modes cold according to measuring different model air-conditioning
But the raised numerical value of immediate current predetermined current threshold corresponding with the setting of the relationship of specified running current is acted.
In addition it is also necessary to explanation, when air-conditioning is run in different modalities, the corresponding predetermined current of compressor running current
Threshold value is different, and predetermined current threshold can be under the conditions of such as temperature, humidity, air-conditioning is transported in different modalities under special operation condition
The corresponding current average of capable maximum power.
In addition, it is necessary to which, it is noted that the cooling action in above-mentioned technical proposal includes but is not limited to be vented cooling action, inhale
Air cooling movement, second vapor injection cooling action and Liquid injection cooling movement.
In the above-mentioned technical solutions, it is preferable that further include: the second execution unit, it is default for being less than in the first current value
When current threshold, cooling action is executed to compressor.
In the technical scheme, if the first current value is less than predetermined current threshold, illustrate that compressor running current exists at this time
In normal range (NR), without adjusting running current by adjusting compressor operating frequency, at this time by the second execution unit, to pressure
Contracting machine executes cooling action, realizes and detects before executing cooling action to compressor to compressor running current, reduces
A possibility that trigger current frequency limit.
In the above-mentioned technical solutions, it is preferable that further include: second frequency adjustment unit, for not small in the second current value
When predetermined current threshold, adjusts compressor and run with the second frequency lower than first frequency；Third current determination unit, is used for
Third current value when compressor is run with second frequency is determined, when third current value is less than predetermined current threshold, to compression
Machine executes cooling action.
In the technical scheme, if the second current value is not less than predetermined current threshold, illustrate to still need to transport compressor at this time
Row electric current is adjusted, then by second frequency adjustment unit, continues to adjust second frequency of the compressor to be lower than first frequency
Operation, then by third current determination unit, third current value when compressor is run with second frequency is determined, in third electric current
When value is less than predetermined current threshold, illustrate to make compressor running current in normal model by adjusting compressor operating frequency at this time
In enclosing, a possibility that executing cooling action to compressor at this time, reduce trigger current frequency limit, user experience is improved, simultaneously
Extend the service life of solenoid valve and compressor.
It should be noted that the relationship of compressor operating frequency and running current is obtained through testing according to the actual situation, if
When determining second frequency, in the case where realizing that third current value is less than predetermined current threshold, the normal fortune of compressor is ensured as far as possible
Row, energy saving are repeatedly adjusted by continuous, gradually reduce compressor running current.
In any of the above-described technical solution, it is preferable that further include: reset unit, for controlling after cooling action
Compressor processed is run with predeterminated frequency.
In the technical scheme, by reset unit, after cooling action, control compressor is transported with predeterminated frequency
Row, so that compressor operates normally, so that air-conditioning heating refrigeration effect restores normal, the user experience is improved.
In any of the above-described technical solution, it is preferable that further include: delivery temperature detection unit, for compressor with
After predeterminated frequency runs preset time, the delivery temperature of compressor is determined；First judging unit, for being not less than in delivery temperature
When delivery temperature threshold value, the first current value of compressor is detected；First control unit is less than for the delivery temperature in compressor
Stop cooling action when delivery temperature threshold value.
In the technical scheme, after compressor runs preset time with predeterminated frequency, pass through delivery temperature detection unit
It determines the delivery temperature of compressor, then this is illustrated when delivery temperature is not less than delivery temperature threshold value by the first judging unit
When compressor cooled down, with safeguards system reliability service；After executing cooling action to compressor, pass through the first control
Unit processed stops cooling action, has saved energy consumption when the delivery temperature for detecting compressor is less than delivery temperature threshold value.
In any of the above-described technical solution, it is preferable that further include: return-air degree of superheat detection unit, in compressor
After running preset time with predeterminated frequency, the return-air degree of superheat of compressor is determined；Second judgment unit, in the return-air degree of superheat
When not less than degree of superheat threshold value, the first current value of compressor is detected；Second control unit is small in the return-air degree of superheat of compressor
Stop cooling action when degree of superheat threshold value.
In the technical scheme, it after compressor runs preset time with predeterminated frequency, is detected by the return-air degree of superheat single
Member determines that the return-air degree of superheat of compressor, the return-air degree of superheat are compressor return air temperature saturation temperature corresponding with condensing pressure
The first temperature difference, compressor by return-air cool down, compressor cannot obtain effective temperature-reducing when the return-air degree of superheat is excessively high, pass through inspection
The measured compressed machine return-air degree of superheat is to determine whether need to execute cooling action to compressor, in the return-air degree of superheat not less than the degree of superheat
When threshold value, illustrates to need to execute cooling action to compressor at this time, at this time by second judgment unit, detect the first of compressor
Current value further determines whether to meet the condition for executing cooling action；After executing cooling action to compressor, by the
Two control units stop cooling action, have saved energy when the return-air degree of superheat for detecting compressor is less than degree of superheat threshold value
Consumption.
The technical solution of third aspect present invention proposes a kind of computer equipment, including memory, processor and storage
On a memory and the computer program that can run on a processor, processor execute any of the above-described when executing computer program
Compressor cooling means.
In the technical scheme, the computer program for executing the compressor cooling means of any of the above-described is stored in memory
On, it can be achieved that detecting the running current of compressor before executing cooling action when processor executes computer program, detecting
When the compressor running current arrived is greater than pre-set current value, by adjusting the running frequency for reducing compressor, to reduce compressor
In running current to normal range (NR), when reducing execution cooling action a possibility that trigger current frequency limit, user experience is improved,
The service life of compressor is extended simultaneously.
The technical solution of fourth aspect present invention proposes a kind of computer readable storage medium, is stored thereon with computer
Program realizes the compressor cooling means of any of the above-described when computer program is executed by processor.
In the technical scheme, processor realizes that compressor cooling means as described above is needed through computer program,
This computer program needs to be stored in computer-readable medium.This computer-readable medium ensure that computer journey
Sequence can be executed by processor, to realize the running current for detecting compressor before executing cooling action, detected
Compressor running current be greater than pre-set current value when, by adjusting reduce compressor running frequency, come reduce compressor fortune
In row electric current to normal range (NR), when reducing execution cooling action a possibility that trigger current frequency limit, user experience is improved, together
When extend the service life of compressor.
The technical solution of fifth aspect present invention proposes a kind of air-conditioning, comprising: the compressor cooling system of any of the above-described
System.
In the technical scheme, air-conditioning including any one compressor cooling system, it can be achieved that execute cooling action it
The running current of preceding detection compressor, when the compressor running current detected is greater than pre-set current value, by adjusting reduction
The running frequency of compressor reduces triggering electricity when executing cooling action to reduce in compressor running current to normal range (NR)
A possibility that ductility limit frequency, improves user experience, while extending the service life of compressor.
Additional aspect and advantage of the invention will become obviously in following description section, or practice through the invention
Recognize.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 shows the flow diagram of compressor cooling means according to an embodiment of the invention；
Fig. 2 shows the flow diagrams of the compressor cooling means of still another embodiment in accordance with the present invention；
Fig. 3 shows the flow diagram of compressor cooling means according to still another embodiment of the invention；
Fig. 4 shows the flow diagram of compressor cooling means according to still another embodiment of the invention；
Fig. 5 shows the flow diagram of compressor cooling means according to still another embodiment of the invention；
Fig. 6 shows the flow diagram of compressor cooling means according to still another embodiment of the invention；
Fig. 7 shows the structural schematic diagram of compressor cooling system according to an embodiment of the invention；
Fig. 8 shows the structural schematic diagram of the compressor cooling system of still another embodiment in accordance with the present invention；
Fig. 9 shows the structural schematic diagram of compressor cooling system according to still another embodiment of the invention；
Figure 10 shows the structural schematic diagram of compressor cooling system according to still another embodiment of the invention；
Figure 11 shows the structural schematic diagram of compressor cooling system according to still another embodiment of the invention；
Figure 12 shows the structural schematic diagram of compressor cooling system according to still another embodiment of the invention；
Figure 13 shows the structural schematic diagram of computer equipment according to an embodiment of the invention；
Figure 14 shows the structural schematic diagram of compressor according to an embodiment of the invention.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Fig. 1 shows the flow diagram of compressor cooling means according to an embodiment of the invention.
As shown in Figure 1, compressor cooling means, comprising:
Step S102 determines first current value of the compressor when running with predeterminated frequency；
Step S104 adjusts compressor lower than predeterminated frequency if the first current value is not less than predetermined current threshold
First frequency operation；
Step S106 determines the second current value when compressor is run with first frequency；
Step S108 executes cooling action to compressor when the second current value is less than predetermined current threshold.
In this embodiment, the running current of compressor and running frequency direct proportionality, running frequency are reduced, are then transported
Row electric current decreases, and before executing cooling action to compressor, by step S102, determines that compressor is transported with predeterminated frequency
The first current value when row adjusts compressor if the first current value is not less than predetermined current threshold by step S104 with low
It runs, is realized when detecting that the first current value is greater than pre-set current value, by adjusting drop in the first frequency of predeterminated frequency
The running frequency of low compressor, to reduce compressor running current, trigger current frequency limit can when reducing execution cooling action
It can property；Again by step S106, the second current value when compressor is run with first frequency is determined, compressor is adjusted transport at this time
The later running current of line frequency is detected, and is said if the second current value is less than pre-set current value by step S108 later
The bright running current of compressor at this time executes cooling action in the normal range, to compressor, and reduce trigger current frequency limit can
Energy property, improves user experience, while extending service life.
Wherein, the predeterminated frequency of compressor is frequency when air-conditioning works normally under setting mode, for non-frequency sky
For tune, predeterminated frequency is rated frequency of the air-conditioning under setting mode, for convertible frequency air-conditioner, the running frequency of air-conditioning with
The variation of room temperature and change, predeterminated frequency at this time is the normal working frequency that air-conditioning corresponds to current indoor temperature.
It should be noted that first frequency can obtain respective counts by experiment and the relationship of the first electric current according to the actual situation
According to rear setting, the adjusting of compressor running current is imitated with minimizing because compressor operating frequency reduces to freeze to air-conditioning heating
Premised on the influence of fruit.
In addition it is also necessary to explanation, when air-conditioning is run in different modalities, the corresponding predetermined current of compressor running current
Threshold value is different, and the maximum current of compressor is under special operation condition under the conditions of such as temperature, humidity, and air-conditioning is in different modalities
The corresponding current average of the maximum power of operation starts to execute in different modes cold according to measuring different model air-conditioning
But the raised numerical value of immediate current predetermined current threshold corresponding with the setting of the relationship of specified running current is acted.
In addition it is also necessary to explanation, when air-conditioning is run in different modalities, the corresponding predetermined current of compressor running current
Threshold value is different, and predetermined current threshold can be under the conditions of such as temperature, humidity, air-conditioning is transported in different modalities under special operation condition
The corresponding current average of capable maximum power.
In addition, it is necessary to which, it is noted that the cooling action in above-mentioned technical proposal includes but is not limited to be vented cooling action, inhale
Air cooling movement, second vapor injection cooling action and Liquid injection cooling movement.
Specific embodiment one:
Non-frequency air-conditioning determines first electric current of the compressor with predeterminated frequency F operation when with the mode operation of setting
I1If I1More than or equal to Imax, compressor is adjusted to be lower than the F of predeterminated frequency F1Frequency operation, determines air-conditioning with first frequency F1
The second electric current I when operation2, in the second electric current I2Less than ImaxWhen, cooling action is executed to compressor.
Fig. 2 shows the flow diagrams of the compressor cooling means of still another embodiment in accordance with the present invention.
As shown in Fig. 2, compressor cooling means, comprising:
Step S202 determines first current value of the compressor when running with predeterminated frequency；
Step S204 executes cooling action to compressor if the first current value is less than predetermined current threshold.
In this embodiment, the running current of compressor and running frequency direct proportionality, running frequency are reduced, are then transported
Row electric current decreases, and before executing cooling action to compressor, by step S202, determines that compressor is transported with predeterminated frequency
The first current value when row illustrates that compressor running current is in normal model at this time if the first current value is less than predetermined current threshold
In enclosing, without adjusting running current by adjusting compressor operating frequency, at this time by step S204, compressor is executed cold
But it acts, realizes and compressor running current is detected before executing cooling action to compressor, reduce trigger current
A possibility that frequency limit.
Fig. 3 shows the flow diagram of compressor cooling means according to still another embodiment of the invention.
As shown in figure 3, compressor cooling means, comprising:
Step S302 determines first current value of the compressor when running with predeterminated frequency；
Step S304 adjusts compressor lower than predeterminated frequency if the first current value is not less than predetermined current threshold
First frequency operation；
Step S306 determines the second current value when compressor is run with first frequency；
Step S308 adjusts compressor lower than first frequency if the second current value is not less than predetermined current threshold
Second frequency operation；
Step S310 determines third current value when compressor is run with second frequency, is less than in third current value default
When current threshold, cooling action is executed to compressor.
In this embodiment, the running current of compressor and running frequency direct proportionality, running frequency are reduced, are then transported
Row electric current decreases, and before executing cooling action to compressor, by step S302, determines that compressor is transported with predeterminated frequency
The first current value when row adjusts compressor if the first current value is not less than predetermined current threshold by step S304 with low
It runs, is realized when detecting that the first current value is greater than pre-set current value, by adjusting drop in the first frequency of predeterminated frequency
The running frequency of low compressor, to reduce compressor running current, trigger current frequency limit can when reducing execution cooling action
It can property；Again by step S306, the second current value when compressor is run with first frequency is determined, compressor is adjusted transport at this time
The later running current of line frequency is detected, if the second current value is not less than predetermined current threshold, illustrates to be still needed at this time to pressure
Contracting machine running current is adjusted, and by step S308, continues to adjust second frequency operation of the compressor to be lower than first frequency,
Later by step S310, third current value when compressor is run with second frequency is determined, be less than in third current value default
When current threshold, illustrate to make compressor running current in the normal range by adjusting compressor operating frequency at this time, at this time
A possibility that executing cooling action to compressor, reduce trigger current frequency limit, improves user experience, while extending electromagnetism
The service life of valve and compressor.
It should be noted that the relationship of compressor operating frequency and running current is obtained through testing according to the actual situation, if
When determining second frequency, in the case where realizing that third current value is less than predetermined current threshold, the normal fortune of compressor is ensured as far as possible
Row, energy saving gradually reduce compressor running current by repeatedly adjusting.
Fig. 4 shows the flow diagram of compressor cooling means according to still another embodiment of the invention.
As shown in figure 4, compressor cooling means, comprising:
Step S402 determines first current value of the compressor when running with predeterminated frequency；
Step S404 adjusts compressor lower than predeterminated frequency if the first current value is not less than predetermined current threshold
First frequency operation；
Step S406 determines the second current value when compressor is run with first frequency；
Step S408 executes cooling action to compressor when the second current value is less than predetermined current threshold；
Step S410, after cooling action, control compressor is run with predeterminated frequency.
In this embodiment, the running current of compressor and running frequency direct proportionality, running frequency are reduced, are then transported
Row electric current decreases, and before executing cooling action to compressor, by step S402, determines that compressor is transported with predeterminated frequency
The first current value when row adjusts compressor if the first current value is not less than predetermined current threshold by step S404 with low
It runs, is realized when detecting that the first current value is greater than pre-set current value, by adjusting drop in the first frequency of predeterminated frequency
The running frequency of low compressor, to reduce compressor running current, trigger current frequency limit can when reducing execution cooling action
It can property；Again by step S406, the second current value when compressor is run with first frequency is determined, compressor is adjusted transport at this time
The later running current of line frequency is detected, and is said if the second current value is less than pre-set current value by step S408 later
The bright running current of compressor at this time executes cooling action in the normal range, to compressor, and reduce trigger current frequency limit can
Energy property, improves user experience, while extending service life, by step S410, after cooling action, and control compression
Machine is run with predeterminated frequency, so that compressor operates normally, the user experience is improved.
Fig. 5 shows the flow diagram of compressor cooling means according to still another embodiment of the invention.
Step S502 determines the delivery temperature of compressor after compressor runs preset time with predeterminated frequency；
Step S504 detects the first current value of compressor when delivery temperature is not less than delivery temperature threshold value；
Step S506 determines first current value of the compressor when running with predeterminated frequency；
Step S508 adjusts compressor lower than predeterminated frequency if the first current value is not less than predetermined current threshold
First frequency operation；
Step S510 determines the second current value when compressor is run with first frequency；
Step S512 executes cooling action to compressor when the second current value is less than predetermined current threshold；
Step S514 stops cooling action when the delivery temperature of compressor is less than delivery temperature threshold value.
In this embodiment, compressor is determined after compressor runs preset time with predeterminated frequency by step S502
Delivery temperature when delivery temperature is not less than delivery temperature threshold value, illustrate that compressor needs to carry out at this time by step S504
It is cooling, with safeguards system reliability service；By step S506, the first current value when compressor is run with predeterminated frequency is determined,
By step S508, if the first current value is not less than predetermined current threshold, compressor is adjusted to be lower than the first of predeterminated frequency
Frequency operation is realized when detecting that the first current value is greater than pre-set current value, by adjusting the operation frequency for reducing compressor
Rate, to reduce compressor running current, when reducing execution cooling action a possibility that trigger current frequency limit；Pass through step again
S510 determines the second current value when compressor is run with first frequency, fortune later to compressor adjustment running frequency at this time
Row electric current is detected, and later by step S512, if the second current value is less than pre-set current value, illustrates compressor fortune at this time
Row electric current in the normal range, a possibility that executing cooling action to compressor, reduce trigger current frequency limit, improves user
Experience, while service life is extended, after executing cooling action to compressor, by step S514, detecting compression
When the delivery temperature of machine is less than delivery temperature threshold value, stops cooling action, saved energy consumption.
Fig. 6 shows the flow diagram of compressor cooling means according to still another embodiment of the invention.
As shown in fig. 6, compressor cooling means, comprising:
Step S602 determines the return-air degree of superheat of compressor after compressor runs preset time with predeterminated frequency；
Step S604 detects the first current value of compressor when the return-air degree of superheat is not less than degree of superheat threshold value；
Step S606 determines first current value of the compressor when running with predeterminated frequency；
Step S608 adjusts compressor lower than predeterminated frequency if the first current value is not less than predetermined current threshold
First frequency operation；
Step S610 determines the second current value when compressor is run with first frequency；
Step S612 executes cooling action to compressor when the second current value is less than predetermined current threshold；
Step S614 stops cooling action when the return-air degree of superheat of compressor is less than degree of superheat threshold value.
In this embodiment, compressor is determined after compressor runs preset time with predeterminated frequency by step S602
The return-air degree of superheat, the return-air degree of superheat be compressor return air temperature saturation temperature corresponding with condensing pressure the first temperature difference,
By the detection compressor return air degree of superheat to determine whether needing to execute cooling action to compressor, by step S604, returning
When the gas degree of superheat is not less than degree of superheat threshold value, illustrates to need to execute cooling action to compressor at this time, detect compressor at this time
First current value further determines whether to meet the condition for executing cooling action；By step S606, determine compressor with default
The first current value when frequency is run adjusts compression if the first current value is not less than predetermined current threshold by step S608
Machine is run with the first frequency lower than predeterminated frequency, is realized when detecting that the first current value is greater than pre-set current value, is passed through
Adjustment reduces the running frequency of compressor, to reduce compressor running current, reduces trigger current when executing cooling action and limits
A possibility that frequency；Again by step S610, the second current value when compressor is run with first frequency is determined, at this time to compressor
The later running current of adjustment running frequency is detected, later by step S612, if the second current value is less than predetermined current
When value, illustrate that compressor running current is in the normal range at this time, cooling action is executed to compressor, reduces trigger current limit
A possibility that frequency, improves user experience, while extending service life, after executing cooling action to compressor, passes through
Step S614 stops cooling action, has saved energy when the return-air degree of superheat for detecting compressor is less than return-air degree of superheat threshold value
Consumption.
Fig. 7 shows the structural schematic diagram of compressor cooling system according to an embodiment of the invention.
As shown in fig. 7, compressor cooling system 700, comprising:
First current determination unit 702, for determining first current value of the compressor when running with predeterminated frequency；
First frequency adjustment unit 704, for the first current value be not less than predetermined current threshold when, adjust compressor with
First frequency lower than predeterminated frequency is run；
Second current determination unit 706, the second current value when for determining that compressor is run with first frequency；
First execution unit 708, for being executed to compressor cooling dynamic when the second current value is less than predetermined current threshold
Make.
In this embodiment, the running current of compressor and running frequency direct proportionality, running frequency are reduced, are then transported
Row electric current decreases, and before executing cooling action to compressor, by the first current determination unit 702, determines compressor
The first current value when being run with predeterminated frequency is adjusted if the first current value is not less than predetermined current threshold by first frequency
Unit 704 is adjusted compressor and is run with the first frequency lower than predeterminated frequency, is realized and is being detected that it is pre- that the first current value is greater than
If when current value, by adjusting the running frequency for reducing compressor, to reduce compressor running current, it is cooling dynamic to reduce execution
When making a possibility that trigger current frequency limit；Again by the second current determination unit 706, when determining that compressor is run with first frequency
The second current value, the later running current of compressor adjustment running frequency is detected at this time, if the second current value is less than
When pre-set current value, illustrate that compressor running current is in the normal range at this time, by the first execution unit 708, to compressor
A possibility that executing cooling action, reducing trigger current frequency limit, improves user experience, while extending service life.
Fig. 8 shows the structural schematic diagram of the compressor cooling system of still another embodiment in accordance with the present invention.
First current determination unit 802, for determining first current value of the compressor when running with predeterminated frequency；
First frequency adjustment unit 804, for the first current value be not less than predetermined current threshold when, adjust compressor with
First frequency lower than predeterminated frequency is run；
Second current determination unit 806, the second current value when for determining that compressor is run with first frequency；
First execution unit 808, for being executed to compressor cooling dynamic when the second current value is less than predetermined current threshold
Make；
Second execution unit 810, for being executed to compressor cooling dynamic when the first current value is less than predetermined current threshold
Make.
In this embodiment, the running current of compressor and running frequency direct proportionality, running frequency are reduced, are then transported
Row electric current decreases, and before executing cooling action to compressor, by the first current determination unit 802, determines compressor
The first current value when being run with predeterminated frequency illustrates compressor operation at this time if the first current value is less than predetermined current threshold
Electric current in the normal range, without adjusting running current by adjusting compressor operating frequency, executes list by second at this time
Member 810 executes cooling action to compressor, realizes and carries out before executing cooling action to compressor to compressor running current
A possibility that detecting, reducing trigger current frequency limit.
Fig. 9 shows the structural schematic diagram of compressor cooling system according to still another embodiment of the invention.
As shown in figure 9, compressor cooling system 900, comprising:
First current determination unit 902, for determining first current value of the compressor when running with predeterminated frequency；
First frequency adjustment unit 904, for the first current value be not less than predetermined current threshold when, adjust compressor with
First frequency lower than predeterminated frequency is run；
Second current determination unit 906, the second current value when for determining that compressor is run with first frequency；
First execution unit 908, for being executed to compressor cooling dynamic when the second current value is less than predetermined current threshold
Make；
Second execution unit 910, for being executed to compressor cooling dynamic when the first current value is less than predetermined current threshold
Make；
Second frequency adjustment unit 912, for the second current value be not less than predetermined current threshold when, adjust compressor with
Second frequency lower than first frequency is run；
Third current determination unit 914, third current value when for determining that compressor is run with second frequency, in third
When current value is less than predetermined current threshold, cooling action is executed to compressor.
In this embodiment, the running current of compressor and running frequency direct proportionality, running frequency are reduced, are then transported
Row electric current decreases, and before executing cooling action to compressor, by the first current determination unit 902, determines compressor
The first current value when being run with predeterminated frequency is adjusted if the first current value is not less than predetermined current threshold by first frequency
Unit 904 is adjusted compressor and is run with the first frequency lower than predeterminated frequency, is realized and is being detected that it is pre- that the first current value is greater than
If when current value, by adjusting the running frequency for reducing compressor, to reduce compressor running current, it is cooling dynamic to reduce execution
When making a possibility that trigger current frequency limit；Again by the second current determination unit 906, when determining that compressor is run with first frequency
The second current value illustrate to still need at this time to the progress of compressor running current if the second current value is not less than predetermined current threshold
It adjusts, then by second frequency adjustment unit 912, continues to adjust compressor with the second frequency operation lower than first frequency, then
By third current determination unit 914, third current value when compressor is run with second frequency is determined, it is small in third current value
When predetermined current threshold, illustrate to make compressor running current in normal range (NR) by adjusting compressor operating frequency at this time
It is interior, a possibility that executing cooling action to compressor at this time, reduce trigger current frequency limit, improve user experience, same to time delay
The service life of solenoid valve and compressor is grown.
It should be noted that the relationship of compressor operating frequency and running current is obtained through testing according to the actual situation, if
When determining second frequency, in the case where realizing that third current value is less than predetermined current threshold, the normal fortune of compressor is ensured as far as possible
Row, energy saving gradually reduce compressor running current by repeatedly adjusting.
Figure 10 shows the structural schematic diagram of compressor cooling system according to still another embodiment of the invention.
As shown in Figure 10, compressor cooling system 1000, comprising:
First current determination unit 1002, for determining first current value of the compressor when running with predeterminated frequency；
First frequency adjustment unit 1004, for adjusting compressor when the first current value is not less than predetermined current threshold
It is run with the first frequency lower than predeterminated frequency；
Second current determination unit 1006, the second current value when for determining that compressor is run with first frequency；
First execution unit 1008, for executing cooling to compressor when the second current value is less than predetermined current threshold
Movement；
Reset unit 1010, for after cooling action, control compressor to be run with predeterminated frequency.
In this embodiment, by reset unit 1010, after cooling action, control compressor is transported with predeterminated frequency
Row, so that compressor operates normally, the user experience is improved.
Figure 11 shows the structural schematic diagram of compressor cooling system according to still another embodiment of the invention.
As shown in figure 11, compressor cooling system 1100, comprising:
First current determination unit 1102, for determining first current value of the compressor when running with predeterminated frequency；
First frequency adjustment unit 1104, for adjusting compressor when the first current value is not less than predetermined current threshold
It is run with the first frequency lower than predeterminated frequency；
Second current determination unit 1106, the second current value when for determining that compressor is run with first frequency；
First execution unit 1108, for executing cooling to compressor when the second current value is less than predetermined current threshold
Movement；
Delivery temperature detection unit 1110 is used for after the compressor runs preset time with the predeterminated frequency, really
Determine the delivery temperature of compressor；
First judging unit 1112, for detecting the first of compressor when delivery temperature is not less than delivery temperature threshold value
Current value；
First control unit 1114 stops cooling dynamic when being less than delivery temperature threshold value for the delivery temperature in compressor
Make.
In this embodiment, after compressor runs preset time with predeterminated frequency, pass through delivery temperature detection unit
1110 determine the delivery temperature of compressor, then by the first judging unit 1112, are not less than delivery temperature threshold value in delivery temperature
When, illustrate that compressor is cooled down at this time, with safeguards system reliability service；Before executing cooling action to compressor,
By the first current determination unit 1102, the first current value when compressor is run with predeterminated frequency is determined, if the first current value
Compressor is adjusted with the first frequency lower than predeterminated frequency by first frequency adjustment unit 1104 not less than predetermined current threshold
Rate operation, realize detect the first current value be greater than pre-set current value when, by adjusting reduce compressor running frequency,
Come a possibility that reducing compressor running current, reduce trigger current frequency limit when executing cooling action；Pass through the second electric current again
Determination unit 1106 determines the second current value when compressor is run with first frequency, adjusts running frequency to compressor at this time
Later running current is detected, if the second current value is less than pre-set current value, illustrates that compressor running current exists at this time
In normal range (NR), by the first execution unit 1108, cooling action is executed to compressor, reduces the possibility of trigger current frequency limit
Property, user experience is improved, while extending service life, after executing cooling action to compressor, passes through the first control
Unit 1114 stops cooling action, has saved energy consumption when the delivery temperature for detecting compressor is less than delivery temperature threshold value.
Figure 12 shows the structural schematic diagram of compressor cooling system according to still another embodiment of the invention.
As shown in figure 12, compressor cooling system 1200, comprising:
First current determination unit 1202, for determining first current value of the compressor when running with predeterminated frequency；
First frequency adjustment unit 1204, for adjusting compressor when the first current value is not less than predetermined current threshold
It is run with the first frequency lower than predeterminated frequency；
Second current determination unit 1206, the second current value when for determining that compressor is run with first frequency；
First execution unit 1208, for executing cooling to compressor when the second current value is less than predetermined current threshold
Movement；
Return-air degree of superheat detection unit 1210, for determining compression after compressor runs preset time with predeterminated frequency
The return-air degree of superheat of machine；
Second judgment unit 1212, for detecting the described of compressor when the return-air degree of superheat is not less than degree of superheat threshold value
First current value；
Second control unit 1214 stops cooling action when the return-air degree of superheat of compressor is less than degree of superheat threshold value.
In this embodiment, after compressor runs preset time with predeterminated frequency, pass through return-air degree of superheat detection unit
1210, determine that the return-air degree of superheat of compressor, the return-air degree of superheat are compressor exhaust temperature saturation temperature corresponding with condensing pressure
First temperature difference of degree, by the detection compressor return air degree of superheat to determine whether needing to execute cooling action to compressor,
When the return-air degree of superheat is not less than degree of superheat threshold value, illustrates to need to execute cooling action to compressor at this time, sentence at this time by second
Disconnected unit 1212, detects the first current value of compressor, further determines whether to meet the condition for executing cooling action；To compression
Before machine executes cooling action, by the first current determination unit 1202, first when compressor is run with predeterminated frequency is determined
Current value, by first frequency adjustment unit 1204, adjusts compressor if the first current value is not less than predetermined current threshold with low
It runs, is realized when detecting that the first current value is greater than pre-set current value, by adjusting drop in the first frequency of predeterminated frequency
The running frequency of low compressor, to reduce compressor running current, trigger current frequency limit can when reducing execution cooling action
It can property；Again by the second current determination unit 1206, the second current value when compressor is run with first frequency is determined, it is right at this time
The later running current of compressor adjustment running frequency is detected, if the second current value is less than pre-set current value, illustrates this
When compressor running current in the normal range, by the first execution unit 1208, cooling action is executed to compressor, is reduced
A possibility that trigger current frequency limit, improves user experience, while extending service life, is executing cooling action to compressor
Later, by the second control unit, when the return-air degree of superheat for detecting compressor is less than degree of superheat threshold value, stop cooling dynamic
Make, has saved energy consumption.
Figure 13 shows the structural schematic diagram of computer equipment according to an embodiment of the invention.
As shown in figure 13, computer equipment 1, comprising:
Memory 12, memory 12 is for storing computer program；
Processor 14, processor 14 is for executing the computer program stored in memory；
Processor 14 executes following steps when executing computer program:
Determine first current value of the compressor when running with predeterminated frequency；If the first current value is not less than predetermined current threshold
Value is then adjusted compressor and is run with the first frequency lower than predeterminated frequency；Determine second when compressor is run with first frequency
Current value；When the second current value is less than predetermined current threshold, cooling action is executed to compressor.
In this embodiment, the computer program storage of the compressor cooling means of any of the above-described is executed on a memory
12, it can be achieved that detecting the running current of compressor before executing cooling action when processor 14 executes computer program, examining
When the compressor running current measured is greater than pre-set current value, by adjusting the running frequency for reducing compressor, to reduce compression
In machine running current to normal range (NR), when reducing execution cooling action a possibility that trigger current frequency limit, user's body is improved
It tests, while extending service life.
Figure 14 shows the structural schematic diagram of compressor according to an embodiment of the invention.
As shown in figure 14, air-conditioning 1400, comprising:
Compressor cooling system 1402, for making operation electricity by adjusting compressor frequency when compressor needs cooling
Stream cools down compressor in normal range (NR).
In this embodiment, the air-conditioning 1400 including any one compressor cooling system 1402 is, it can be achieved that executing cooling
The running current that compressor is detected before movement passes through tune when the compressor running current detected is greater than pre-set current value
The whole running frequency for reducing compressor, to reduce in compressor running current to normal range (NR), when reducing execution cooling action
A possibility that trigger current frequency limit, improves user experience, while extending service life.
The technical scheme of the present invention has been explained in detail above with reference to the attached drawings, a kind of compressor cooling means, system and air-conditioning,
According to the technical solution of the present invention, it can be achieved that the running current of compressor is detected before executing cooling action, what is detected
When compressor running current is greater than pre-set current value, by adjusting the running frequency for reducing compressor, to reduce compressor operation
In electric current to normal range (NR), when reducing execution cooling action a possibility that trigger current frequency limit, user experience is improved, simultaneously
Extend service life.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (15)
1. a kind of compressor cooling means is used for air-conditioning characterized by comprising
Determine first current value of the compressor when running with predeterminated frequency；
If first current value is not less than predetermined current threshold, the compressor is adjusted with the lower than the predeterminated frequency
The operation of one frequency；
Determine the second current value when the compressor is run with the first frequency；
When second current value is less than the predetermined current threshold, cooling action is executed to the compressor；
Before the first current value when the determining compressor is run with predeterminated frequency, further includes: in the compressor with institute
After stating predeterminated frequency operation preset time, the delivery temperature of compressor is determined；It is not less than delivery temperature threshold in the delivery temperature
When value, first current value of the compressor is detected；Or
Before the first current value when the determining compressor is run with predeterminated frequency, further includes: in the compressor with institute
After stating predeterminated frequency operation preset time, the return-air degree of superheat of compressor is determined；It is not less than the degree of superheat in the return-air degree of superheat
When threshold value, first current value of the compressor is detected.
2. compressor cooling means according to claim 1, which is characterized in that further include:
If first current value is less than the predetermined current threshold, cooling action is executed to the compressor.
3. compressor cooling means according to claim 1, which is characterized in that further include:
If second current value is not less than the predetermined current threshold, the compressor is adjusted lower than the first frequency
Second frequency operation；
It determines the third current value when compressor is run with the second frequency, is less than in the third current value described pre-
If when current threshold, executing cooling action to the compressor.
4. compressor cooling means according to any one of claim 1 to 3, which is characterized in that described to the pressure
Contracting machine executes after cooling action, further includes:
After the cooling action, controls the compressor and run with the predeterminated frequency.
5. compressor cooling means according to any one of claim 1 to 3, which is characterized in that
After the execution cooling action to the compressor, further includes:
Stop the cooling action when the delivery temperature of the compressor is less than the delivery temperature threshold value.
6. compressor cooling means according to any one of claim 1 to 3, which is characterized in that
After the execution cooling action to the compressor, further includes:
Stop the cooling action when the return-air degree of superheat of the compressor is less than the degree of superheat threshold value.
7. a kind of compressor cooling system characterized by comprising
First current determination unit, for determining first current value of the compressor when running with predeterminated frequency；
First frequency adjustment unit, for adjusting the compressor when first current value is not less than predetermined current threshold
It is run with the first frequency lower than the predeterminated frequency；
Second current determination unit, the second current value when for determining that the compressor is run with the first frequency；
First execution unit, for being executed to the compressor when second current value is less than the predetermined current threshold
Cooling action；
Delivery temperature detection unit, for determining compressor after the compressor runs preset time with the predeterminated frequency
Delivery temperature；First judging unit, for detecting the compressor when the delivery temperature is not less than delivery temperature threshold value
First current value；Or
Return-air degree of superheat detection unit, for determining compression after the compressor runs preset time with the predeterminated frequency
The return-air degree of superheat of machine；Second judgment unit, for detecting the pressure when the return-air degree of superheat is not less than degree of superheat threshold value
First current value of contracting machine.
8. compressor cooling system according to claim 7, which is characterized in that further include:
Second execution unit, for being executed to the compressor when first current value is less than the predetermined current threshold
Cooling action.
9. compressor cooling system according to claim 8, which is characterized in that further include:
Second frequency adjustment unit, for adjusting the pressure when second current value is not less than the predetermined current threshold
Contracting machine is run with the second frequency lower than the first frequency；
Third current determination unit, third current value when for determining that the compressor is run with the second frequency, in institute
When stating third current value less than the predetermined current threshold, cooling action is executed to the compressor.
10. compressor cooling system according to any one of claims 7 to 9, further includes:
Reset unit, for controlling the compressor and being run with the predeterminated frequency after cooling action.
11. compressor cooling system according to any one of claims 7 to 9, which is characterized in that further include:
First control unit, when being less than the delivery temperature threshold value for the delivery temperature in the compressor described in stopping
Cooling action.
12. compressor cooling system according to any one of claims 7 to 9, which is characterized in that further include:
Second control unit stops the cooling when the return-air degree of superheat of the compressor is less than the degree of superheat threshold value
Movement.
13. a kind of computer equipment, including memory, processor and it is stored on the memory and can be on the processor
The computer program of operation, which is characterized in that the processor executes such as claim 1 to 6 when executing the computer program
Any one of described in compressor cooling means.
14. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
Such as compressor cooling means described in any one of claims 1 to 6 is realized when being executed by processor.
15. a kind of air-conditioning characterized by comprising compressor cooling system described in any one of claim 7 to 12.
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| CN108088051A (en) * | 2017-12-01 | 2018-05-29 | 芜湖美智空调设备有限公司 | Fault detection method, air conditioner and the storage medium of cooler compressor |
| CN107940811A (en) * | 2017-12-25 | 2018-04-20 | 广东美的制冷设备有限公司 | Progress control method, device, air conditioner and computer-readable recording medium |
| JP6857813B2 (en) * | 2018-03-05 | 2021-04-14 | パナソニックＩｐマネジメント株式会社 | Refrigeration cycle equipment |
| CN108489037A (en) * | 2018-03-28 | 2018-09-04 | 广东美的暖通设备有限公司 | Control method, system and the air conditioner of frequency-changeable compressor |
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| CN106246523A (en) * | 2016-08-18 | 2016-12-21 | 合肥美的电冰箱有限公司 | Frequency-changeable compressor control method, controller and refrigerator |
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