CN105157296B - The blower control method and control system of dual system cooling by wind - Google Patents
The blower control method and control system of dual system cooling by wind Download PDFInfo
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- CN105157296B CN105157296B CN201510684355.1A CN201510684355A CN105157296B CN 105157296 B CN105157296 B CN 105157296B CN 201510684355 A CN201510684355 A CN 201510684355A CN 105157296 B CN105157296 B CN 105157296B
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Abstract
The invention discloses a kind of blower control methods and control system of dual system cooling by wind, including：Obtain trigger signal；When trigger signal is refrigeration mode trigger signal, the second exhaust pressure of the first exhaust pressure and the second compressor of the first compressor is acquired；It is greatly to refer to pressure at expulsion to choose numerical value in first exhaust pressure and second exhaust pressure；Judge with reference to the corresponding saturation temperature of pressure at expulsion whether in first threshold between second threshold, and when being opened no more than first threshold and the first wind turbine and the second wind turbine with reference to the corresponding saturation temperature of pressure at expulsion, close the second wind turbine；Alternatively, with reference to the corresponding saturation temperature of waiting pressure not less than second threshold and the first wind turbine open and the second wind turbine close when, open the second wind turbine.In real time to being adjusted with reference to pressure at expulsion, avoiding too high or too low situation occur with reference to pressure at expulsion, and then avoid frequently occurring overvoltage protection the case where, improves the reliability of dual system cooling by wind.
Description
Technical field
The present invention relates to wind-cooled cold-water machine technical group fields, more specifically, are related to a kind of dual system wind-cooled cold-water machine
The blower control method and control system of group.
Background technology
In general, it includes being switched in dual system cooling by wind there are two wind turbine that dual system, which determines frequency cooling by wind,
When work, a wind turbine or two wind turbines can individually be opened according to the difference of conditions present while being opened.And in double systems
In the cooling by wind course of work of uniting, two wind turbines are maintained at the original state fortune when booting of dual system cooling by wind
Row, cannot be adjusted according to the compressor actual conditions of dual system cooling by wind, so that dual system wind-cooled cold-water machine
Easily there is overvoltage protection in group, influences the reliability of unit.
Invention content
In view of this, the present invention provides a kind of blower control method and control system of dual system cooling by wind,
When dual system cooling by wind enters refrigeration mode, judged with reference to the corresponding saturation temperature of pressure at expulsion, to join
Windscreen is reduced when examining the corresponding saturation temperature of pressure at expulsion no more than the first threshold, or corresponding full with reference to pressure at expulsion
Wind shelves are increased when being not less than the second threshold with temperature, to being adjusted with reference to pressure at expulsion, to avoid referring to pressure at expulsion
There is too high or too low situation, to improve the reliability of dual system cooling by wind.
To achieve the above object, technical solution provided by the invention is as follows：
A kind of blower control method of dual system cooling by wind, the dual system cooling by wind include the first pressure
Contracting machine, the second compressor, the first wind turbine and the second wind turbine, the control method include：
Obtain trigger signal；
When the trigger signal is refrigeration mode trigger signal, acquire first compressor first exhaust pressure and
The second exhaust pressure of second compressor；
It is greatly to refer to pressure at expulsion to choose numerical value in the first exhaust pressure and second exhaust pressure；
Judge it is described with reference to the corresponding saturation temperature of pressure at expulsion whether in first threshold between second threshold, and in institute
It states and is opened no more than the first threshold and first wind turbine and the second wind turbine with reference to the corresponding saturation temperature of pressure at expulsion
When, close second wind turbine；Alternatively, it is described with reference to the corresponding saturation temperature of pressure at expulsion not less than the second threshold,
And first wind turbine is opened and the second wind turbine opens second wind turbine when closing.
Preferably, described with reference to the corresponding saturation temperature of pressure at expulsion it is more than the first threshold and less than described the
When two threshold values, first wind turbine and the second wind turbine are controlled with corresponding manner.
Preferably, described with reference to the corresponding saturation temperature of pressure at expulsion it is more than the first threshold and less than described the
When three threshold values, first wind turbine is opened, and close second wind turbine；
Alternatively, not less than the third threshold value and being not more than the 4th with reference to the corresponding saturation temperature of pressure at expulsion described
When threshold value, the current state of first wind turbine and the second wind turbine is kept；
Alternatively, more than the 4th threshold value and being less than described second with reference to the corresponding saturation temperature of pressure at expulsion described
When threshold value, first wind turbine and the second wind turbine are opened.
Preferably, further include：
When the trigger signal is heating mode trigger signal, acquire first compressor the first pressure of inspiration(Pi) and
Second pressure of inspiration(Pi) of second compressor；
It is greatly to refer to pressure of inspiration(Pi) to choose numerical value in first pressure of inspiration(Pi) and the second pressure of inspiration(Pi)；
Judge the relationship with reference to pressure of inspiration(Pi) corresponding saturation temperature and the 5th threshold value and the 6th threshold value, and with corresponding
Mode controls first wind turbine and the second wind turbine, wherein the 6th threshold value is more than the 5th threshold value.
Preferably, it is described be less than five threshold value with reference to the corresponding saturation temperature of pressure of inspiration(Pi) when, open described the
One wind turbine and the second wind turbine；
Alternatively, not less than the 5th threshold value and being not more than the 6th with reference to the corresponding saturation temperature of pressure of inspiration(Pi) described
When threshold value, the current state of first wind turbine and the second wind turbine is kept；
Alternatively, when the corresponding saturation temperature of the reference pressure of inspiration(Pi) is more than six threshold value, described first is opened
Wind turbine, and close second wind turbine.
Correspondingly, the present invention also provides a kind of blower fan control system of dual system cooling by wind, the dual system
Cooling by wind includes the first compressor, the second compressor, the first wind turbine and the second wind turbine, and the control system includes：
Acquiring unit, for obtaining trigger signal；
First collecting unit, for when the trigger signal is the refrigeration mode trigger signal, acquiring described first
The second exhaust pressure of the first exhaust pressure of compressor and second compressor；
First selection unit is with reference to row greatly for choosing numerical value in the first exhaust pressure and second exhaust pressure
Atmospheric pressure；
And first processing units, for judging the corresponding saturation temperature of the reference pressure at expulsion whether in the first threshold
Value between second threshold, and it is described with reference to the corresponding saturation temperature of pressure at expulsion no more than the first threshold and described
When first wind turbine and the second wind turbine are opened, second wind turbine is closed；Alternatively, described with reference to the corresponding saturation of pressure at expulsion
Temperature opens second wind turbine not less than the second threshold and first wind turbine unlatching and when the closing of the second wind turbine.
Preferably, the first processing units are more than first threshold described with reference to the corresponding saturation temperature of pressure at expulsion
When being worth and being less than the second threshold, first wind turbine and the second wind turbine are controlled with corresponding manner.
Preferably, the first processing units are more than first threshold described with reference to the corresponding saturation temperature of pressure at expulsion
When being worth and being less than the third threshold value, first wind turbine is opened, and close second wind turbine；
Alternatively, not less than the third threshold value and being not more than the 4th with reference to the corresponding saturation temperature of pressure at expulsion described
When threshold value, the current state of first wind turbine and the second wind turbine is kept；
Alternatively, more than the 4th threshold value and being less than described second with reference to the corresponding saturation temperature of pressure at expulsion described
When threshold value, first wind turbine and the second wind turbine are opened.
Preferably, further include：
Second collecting unit, for when the trigger signal is heating mode trigger signal, acquisition described first to be compressed
Second pressure of inspiration(Pi) of the first pressure of inspiration(Pi) of machine and second compressor；
Second selection unit is with reference to suction greatly for choosing numerical value in first pressure of inspiration(Pi) and the second pressure of inspiration(Pi)
Atmospheric pressure；
And second processing unit, for judge it is described with reference to the corresponding saturation temperature of pressure of inspiration(Pi) and the 5th threshold value and
The relationship of 6th threshold value, and first wind turbine and the second wind turbine are controlled with corresponding manner, wherein the 6th threshold value is more than institute
State the 5th threshold value.
Preferably, the second processing unit is less than the 5th threshold described with reference to the corresponding saturation temperature of pressure of inspiration(Pi)
When value, first wind turbine and the second wind turbine are opened；
Alternatively, not less than the 5th threshold value and being not more than the 6th with reference to the corresponding saturation temperature of pressure of inspiration(Pi) described
When threshold value, the current state of first wind turbine and the second wind turbine is kept；
Alternatively, when the corresponding saturation temperature of the reference pressure of inspiration(Pi) is more than six threshold value, described first is opened
Wind turbine, and close second wind turbine.
Compared to the prior art, technical solution provided by the invention has at least the following advantages：
The present invention provides a kind of blower control method and control system of dual system cooling by wind, the dual systems
Cooling by wind includes the first compressor, the second compressor, the first wind turbine and the second wind turbine, and the control method includes：It obtains
Take trigger signal；When the trigger signal is refrigeration mode trigger signal, the first row air pressure of first compressor is acquired
The second exhaust pressure of power and second compressor；It is big to choose numerical value in the first exhaust pressure and second exhaust pressure
To refer to pressure at expulsion；Judge it is described with reference to the corresponding saturation temperature of pressure at expulsion whether first threshold to second threshold it
Between, and it is not more than the first threshold and first wind turbine and second with reference to the corresponding saturation temperature of pressure at expulsion described
When wind turbine is opened, second wind turbine is closed；Alternatively, in the corresponding saturation temperature of the reference pressure at expulsion not less than described
Second threshold and first wind turbine are opened and the second wind turbine opens second wind turbine when closing.
As shown in the above, technical solution provided by the invention enters refrigeration mode in dual system cooling by wind
When, by numerical value in the first exhaust pressure of the first compressor and the second exhaust pressure of the second compressor it is larger be chosen for referring to
Pressure at expulsion, and to judging with reference to the corresponding saturation temperature of pressure at expulsion, with reference to the corresponding saturation temperature of pressure at expulsion
Windscreen is reduced when degree is no more than the first threshold, that is, is opened the first wind turbine, and is closed the second wind turbine；Or with reference to exhaust pressure
Power corresponding saturation temperature increases wind shelves when being not less than the second threshold, that is, opens the first wind turbine and the second wind turbine, and then right
It is adjusted with reference to pressure at expulsion, avoids too high or too low situation occur with reference to pressure at expulsion, and then avoid and frequently occur
The case where overvoltage protection, to improve the reliability of dual system cooling by wind.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow chart of the blower control method of dual system cooling by wind provided by the embodiments of the present application；
Fig. 2 is the flow of the blower control method of another dual system cooling by wind provided by the embodiments of the present application
Figure；
Fig. 3 is the flow of the blower control method of another dual system cooling by wind provided by the embodiments of the present application
Figure；
Fig. 4 is a kind of structural representation of the blower fan control system of dual system cooling by wind provided by the embodiments of the present application
Figure；
Fig. 5 is that the structure of the blower fan control system of another dual system cooling by wind provided by the embodiments of the present application is shown
It is intended to.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As described in background, in the dual system cooling by wind course of work, two wind turbines are maintained at dual system
Original state operation when cooling by wind is switched on, cannot according to the compressor actual conditions of dual system cooling by wind into
Row is adjusted, so that overvoltage protection easily occurs in dual system cooling by wind, influences the reliability of unit.
Based on this, the embodiment of the present application provides blower control method and the control system of a kind of dual system cooling by wind
System, when dual system cooling by wind enters refrigeration mode, judged with reference to the corresponding saturation temperature of pressure at expulsion, with
Windscreen is reduced when being not more than the first threshold with reference to the corresponding saturation temperature of pressure at expulsion, or corresponding with reference to pressure at expulsion
Saturation temperature increases wind shelves when being not less than the second threshold, to being adjusted with reference to pressure at expulsion, to avoid referring to exhaust pressure
There is too high or too low situation in power, to improve the reliability of dual system cooling by wind.
Refering to what is shown in Fig. 1, being a kind of blower control method of dual system cooling by wind provided by the embodiments of the present application
Flow chart, wherein dual system cooling by wind include the first compressor, the second compressor, the first wind turbine and the second wind turbine,
Control method includes：
S1, trigger signal is obtained；
S2, trigger signal be refrigeration mode trigger signal when, acquire the first compressor first exhaust pressure and second
The second exhaust pressure of compressor；
It is to refer to pressure at expulsion that numerical value is big in S3, selection first exhaust pressure and second exhaust pressure；
S4, judge with reference to the corresponding saturation temperature of pressure at expulsion whether in first threshold between second threshold, and S41,
When the corresponding saturation temperature of reference pressure at expulsion is not more than first threshold and the first wind turbine and the second wind turbine are opened, close
Second wind turbine；Alternatively, with reference to the corresponding saturation temperature of pressure at expulsion not less than second threshold and the first wind turbine open and second
When wind turbine is closed, the second wind turbine is opened.
It should be noted that the structure of dual system cooling by wind provided by the embodiments of the present application and prior art phase
Together, stock does not make extra repeat.
As shown in the above, technical solution provided by the invention enters refrigeration mode in dual system cooling by wind
When, the second exhaust pressure of the first exhaust pressure and the second compressor of the first compressor is acquired in real time, by the first compressor
What numerical value was larger in first exhaust pressure and the second exhaust pressure of the second compressor is chosen for referring to pressure at expulsion, and right in real time
Judged with reference to the corresponding saturation temperature of pressure at expulsion, with reference to the corresponding saturation temperature of pressure at expulsion no more than described the
Windscreen is reduced when one threshold value, that is, open the first wind turbine, and close the second wind turbine；Or with reference to the corresponding saturation temperature of pressure at expulsion
Wind shelves are increased when degree is not less than the second threshold, that is, the first wind turbine and the second wind turbine are opened, by timely changing windscreen,
And then to being adjusted with reference to pressure at expulsion, avoid too high or too low situation occur with reference to pressure at expulsion, and then avoid frequency
It is numerous the case where overvoltage protection occur, to improve the reliability of dual system cooling by wind.
Further, in order to improve dual system cooling by wind, to occur pressure at expulsion during the work time too high or too low
The case where, when being more than first threshold with reference to the corresponding saturation temperature of pressure at expulsion and less than second threshold, with corresponding manner control
Make the first wind turbine and the second wind turbine.
Specifically, refering to what is shown in Fig. 2, being the wind turbine of another dual system cooling by wind provided by the embodiments of the present application
The flow chart of control method, wherein whether judging with reference to the corresponding saturation temperature of pressure at expulsion in first threshold to the second threshold
When between value：
S42, when being more than first threshold with reference to the corresponding saturation temperature of pressure at expulsion and less than third threshold value, open the
One wind turbine, and close the second wind turbine；
Alternatively, when being not less than third threshold value with reference to the corresponding saturation temperature of pressure at expulsion and no more than four threshold values, protect
Hold the current state of the first wind turbine and the second wind turbine；
Alternatively, when being more than the 4th threshold value with reference to the corresponding saturation temperature of pressure at expulsion and less than second threshold, the is opened
One wind turbine and the second wind turbine.
Wherein, first threshold is less than third threshold value, and third threshold value is less than the 4th threshold value, and the 4th threshold value is less than the second threshold
Value.Cooling by wind during the work time, in real time to judging with reference to the corresponding saturation temperature of pressure at expulsion, and not
State with the first wind turbine of stage pair and the second wind turbine is adjusted, that is, adjusts windscreen, to ensure dual system cooling by wind
Pressure at expulsion be in allowable range, the case where avoiding frequently occurring overvoltage protection, improve dual system cooling by wind
Reliability.
Further, dual system cooling by wind provided by the embodiments of the present application further includes heating mode, that is, reference chart
It is the flow chart of the blower control method of another dual system cooling by wind provided by the embodiments of the present application shown in 3,
In, after S1, acquisition trigger signal, further include：
S2 ', trigger signal be heating mode trigger signal when, acquire the first compressor the first pressure of inspiration(Pi) and second
Second pressure of inspiration(Pi) of compressor；
It is to refer to pressure of inspiration(Pi) that numerical value is big in S3 ', the first pressure of inspiration(Pi) of selection and the second pressure of inspiration(Pi)；
S4 ', judge to refer to the relationship of pressure of inspiration(Pi) corresponding saturation temperature and the 5th threshold value and the 6th threshold value, and with corresponding
Mode controls the first wind turbine and the second wind turbine, wherein the 6th threshold value is more than the 5th threshold value.
Specifically, when being less than five threshold values with reference to the corresponding saturation temperature of pressure of inspiration(Pi), the first wind turbine and second is opened
Wind turbine；
Alternatively, when being not less than the 5th threshold value with reference to the corresponding saturation temperature of pressure of inspiration(Pi) and no more than six threshold values, protect
Hold the current state of the first wind turbine and the second wind turbine；
Alternatively, when being more than six threshold values with reference to the corresponding saturation temperature of pressure of inspiration(Pi), the first wind turbine is opened, and closes the
Two wind turbines.
It as shown in the above, can be by with reference to suction when dual system cooling by wind further includes heating mode
The corresponding saturation temperature of atmospheric pressure is judged, so that with reference to the corresponding saturation temperature of pressure of inspiration(Pi) in different phase, to first
The state of wind turbine and the second wind turbine is adjusted correspondingly, that is, adjusts windscreen, to ensure the air-breathing of dual system cooling by wind
Pressure is in allowable range, the case where avoiding frequently occurring overvoltage protection, improves the reliability of dual system cooling by wind.
Corresponding to the control method that above-described embodiment provides, the embodiment of the present application also provides a kind of dual system wind-cooled cold-waters
The blower fan control system of unit.
It is a kind of control system of dual system cooling by wind provided by the embodiments of the present application shown in Fig. 4
The structural schematic diagram of system, wherein dual system cooling by wind include the first compressor, the second compressor, the first wind turbine and
Second wind turbine, control system include：
Acquiring unit 100, for obtaining trigger signal；
First collecting unit 200, for when trigger signal is refrigeration mode trigger signal, the of the first compressor of acquisition
The second exhaust pressure of one pressure at expulsion and the second compressor；
First selection unit 300 is with reference to row greatly for choosing numerical value in first exhaust pressure and second exhaust pressure
Atmospheric pressure；
And first processing units 400, for whether judging with reference to the corresponding saturation temperature of pressure at expulsion in first threshold
To between second threshold, and it is being not more than first threshold and the first wind turbine and second with reference to the corresponding saturation temperature of pressure at expulsion
When wind turbine is opened, the second wind turbine is closed；Alternatively, with reference to the corresponding saturation temperature of pressure at expulsion not less than second threshold and
First wind turbine open and the second wind turbine close when, open the second wind turbine.
Wherein, for the first collecting unit in real time the first exhaust pressure of the first compressor of acquisition and the second compressor the
The case where two pressures at expulsion, can by the exhaust outlet of the first compressor and the second compressor be arranged back pressure transducer,
To be acquired to pressure at expulsion data.
In addition, occurring the too high or too low feelings of pressure at expulsion during the work time to improve dual system cooling by wind
Condition, first processing units with reference to the corresponding saturation temperature of pressure at expulsion when being more than first threshold and less than second threshold, with phase
Mode is answered to control the first wind turbine and the second wind turbine.
Specifically, first processing units are being more than first threshold and less than the with reference to the corresponding saturation temperature of pressure at expulsion
When three threshold values, the first wind turbine is opened, and close the second wind turbine；
Alternatively, when being not less than third threshold value with reference to the corresponding saturation temperature of pressure at expulsion and no more than four threshold values, protect
Hold the current state of the first wind turbine and the second wind turbine；
Alternatively, when being more than the 4th threshold value with reference to the corresponding saturation temperature of pressure at expulsion and less than second threshold, the is opened
One wind turbine and the second wind turbine.
Further, dual system cooling by wind provided by the embodiments of the present application further includes heating mode, that is, reference chart
It is the structural schematic diagram of the control system system of another dual system cooling by wind provided by the embodiments of the present application shown in 5,
Control system further includes：
Second collecting unit 200 ', for when trigger signal is heating mode trigger signal, acquiring the first compressor
Second pressure of inspiration(Pi) of the first pressure of inspiration(Pi) and the second compressor；
Second selection unit 300 ' is with reference to suction for it is big to choose numerical value in the first pressure of inspiration(Pi) and the second pressure of inspiration(Pi)
Atmospheric pressure；
And second processing unit 400 ', for judging with reference to the corresponding saturation temperature of pressure of inspiration(Pi) and the 5th threshold value and
The relationship of 6th threshold value, and the first wind turbine and the second wind turbine are controlled with corresponding manner, wherein the 6th threshold value is more than the 5th threshold value.
Wherein, second processing unit opens first when being less than five threshold values with reference to the corresponding saturation temperature of pressure of inspiration(Pi)
Wind turbine and the second wind turbine；
Alternatively, when being not less than the 5th threshold value with reference to the corresponding saturation temperature of pressure of inspiration(Pi) and no more than six threshold values, protect
Hold the current state of the first wind turbine and the second wind turbine；
Alternatively, when being more than six threshold values with reference to the corresponding saturation temperature of pressure of inspiration(Pi), the first wind turbine is opened, and closes the
Two wind turbines.
It wherein, can be by being corresponded to reference to pressure of inspiration(Pi) when dual system cooling by wind further includes heating mode
Saturation temperature judged so that with reference to the corresponding saturation temperature of pressure of inspiration(Pi) in different phase, to the first wind turbine and second
The state of wind turbine is adjusted correspondingly, that is, adjusts windscreen, is permitted with ensureing that the pressure of inspiration(Pi) of dual system cooling by wind is in
Perhaps in range, the case where avoiding frequently occurring overvoltage protection, the reliability of dual system cooling by wind is improved.
The embodiment of the present application provides a kind of blower control method and control system of dual system cooling by wind, double systems
System cooling by wind includes that the first compressor, the second compressor, the first wind turbine and the second wind turbine, control method include：It obtains
Trigger signal；When trigger signal is refrigeration mode trigger signal, the first exhaust pressure and the second pressure of the first compressor are acquired
The second exhaust pressure of contracting machine；It is greatly to refer to pressure at expulsion to choose numerical value in first exhaust pressure and second exhaust pressure；Sentence
It is disconnected it is described with reference to the corresponding saturation temperature of pressure at expulsion whether in first threshold between second threshold, and described with reference to exhaust
When the corresponding saturation temperature of pressure is opened no more than the first threshold and first wind turbine and the second wind turbine, institute is closed
State the second wind turbine；Alternatively, being not less than the second threshold and described first with reference to the corresponding saturation temperature of pressure at expulsion described
Wind turbine is opened and the second wind turbine opens second wind turbine when closing.
As shown in the above, technical solution provided by the embodiments of the present application enters system in dual system cooling by wind
When chill formula, by the selection that numerical value in the first exhaust pressure of the first compressor and the second exhaust pressure of the second compressor is larger
To refer to pressure at expulsion, and to judging with reference to the corresponding saturation temperature of pressure at expulsion, with corresponding with reference to pressure at expulsion
Saturation temperature reduces windscreen when being not more than first threshold, that is, opens the first wind turbine, and closes the second wind turbine；Or with reference to exhaust
Pressure corresponding saturation temperature increases wind shelves when being not less than second threshold, that is, opens the first wind turbine and the second wind turbine, and then to ginseng
It examines pressure at expulsion to be adjusted, avoids too high or too low situation occur with reference to pressure at expulsion, and then avoid and frequently occurred
The case where pressure protection, to improve the reliability of dual system cooling by wind.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (4)
1. a kind of blower control method of dual system cooling by wind, which is characterized in that the dual system cooling by wind
Including the first compressor, the second compressor, the first wind turbine and the second wind turbine, the control method includes：
Obtain trigger signal；
When the trigger signal is refrigeration mode trigger signal, the first exhaust pressure of first compressor and described is acquired
The second exhaust pressure of second compressor；
It is greatly to refer to pressure at expulsion to choose numerical value in the first exhaust pressure and second exhaust pressure；
Judge it is described with reference to the corresponding saturation temperature of pressure at expulsion whether in first threshold between second threshold, and in the ginseng
When examining the corresponding saturation temperature of pressure at expulsion and being opened no more than the first threshold and first wind turbine and the second wind turbine,
Close second wind turbine；Alternatively, being not less than the second threshold and institute with reference to the corresponding saturation temperature of pressure at expulsion described
State that the first wind turbine is opened and the second wind turbine opens second wind turbine when closing；
Wherein, further include：
When the trigger signal is heating mode trigger signal, the first pressure of inspiration(Pi) of first compressor and described is acquired
Second pressure of inspiration(Pi) of the second compressor；
It is greatly to refer to pressure of inspiration(Pi) to choose numerical value in first pressure of inspiration(Pi) and the second pressure of inspiration(Pi)；
Judge the relationship with reference to pressure of inspiration(Pi) corresponding saturation temperature and the 5th threshold value and the 6th threshold value, and with corresponding manner
Control first wind turbine and the second wind turbine, wherein the 6th threshold value is more than the 5th threshold value；
Wherein, when the corresponding saturation temperature of the reference pressure of inspiration(Pi) is less than five threshold value, first wind turbine is opened
With the second wind turbine；
Alternatively, not less than the 5th threshold value and being not more than the 6th threshold value with reference to the corresponding saturation temperature of pressure of inspiration(Pi) described
When, keep the current state of first wind turbine and the second wind turbine；
Alternatively, when the corresponding saturation temperature of the reference pressure of inspiration(Pi) is more than six threshold value, first wind turbine is opened,
And close second wind turbine.
2. control method according to claim 1, which is characterized in that described with reference to the corresponding saturation temperature of pressure at expulsion
When more than the first threshold and less than the second threshold, first wind turbine and the second wind turbine are controlled with corresponding manner；
Wherein, it more than the first threshold and when being less than third threshold value, is opened with reference to the corresponding saturation temperature of pressure at expulsion described
First wind turbine is opened, and closes second wind turbine；
Alternatively, not less than the third threshold value and being not more than the 4th threshold value with reference to the corresponding saturation temperature of pressure at expulsion described
When, keep the current state of first wind turbine and the second wind turbine；
Alternatively, more than the 4th threshold value and being less than the second threshold with reference to the corresponding saturation temperature of pressure at expulsion described
When, open first wind turbine and the second wind turbine.
3. a kind of blower fan control system of dual system cooling by wind, which is characterized in that the dual system cooling by wind
Including the first compressor, the second compressor, the first wind turbine and the second wind turbine, the control system includes：
Acquiring unit, for obtaining trigger signal；
First collecting unit, for when the trigger signal is refrigeration mode trigger signal, acquiring first compressor
The second exhaust pressure of first exhaust pressure and second compressor；
First selection unit is greatly to refer to exhaust pressure for choosing numerical value in the first exhaust pressure and second exhaust pressure
Power；
And first processing units, for judge it is described with reference to the corresponding saturation temperature of pressure at expulsion whether first threshold extremely
Between second threshold, and it is not more than the first threshold and described first with reference to the corresponding saturation temperature of pressure at expulsion described
When wind turbine and the second wind turbine are opened, second wind turbine is closed；Alternatively, described with reference to the corresponding saturation temperature of pressure at expulsion
When the second wind turbine is closed not less than the second threshold and first wind turbine unlatching, second wind turbine is opened；
Wherein, further include：
Second collecting unit, for when the trigger signal is heating mode trigger signal, acquiring first compressor
Second pressure of inspiration(Pi) of the first pressure of inspiration(Pi) and second compressor；
Second selection unit is greatly to refer to pressure of inspiration(Pi) for choosing numerical value in first pressure of inspiration(Pi) and the second pressure of inspiration(Pi)
Power；
And second processing unit, it is described with reference to the corresponding saturation temperature of pressure of inspiration(Pi) and the 5th threshold value and the 6th for judging
The relationship of threshold value, and first wind turbine and the second wind turbine are controlled with corresponding manner, wherein the 6th threshold value is more than described the
Five threshold values；
Wherein, the second processing unit it is described be less than five threshold value with reference to the corresponding saturation temperature of pressure of inspiration(Pi) when,
Open first wind turbine and the second wind turbine；
Alternatively, not less than the 5th threshold value and being not more than the 6th threshold value with reference to the corresponding saturation temperature of pressure of inspiration(Pi) described
When, keep the current state of first wind turbine and the second wind turbine；
Alternatively, when the corresponding saturation temperature of the reference pressure of inspiration(Pi) is more than six threshold value, first wind turbine is opened,
And close second wind turbine.
4. control system according to claim 3, which is characterized in that the first processing units refer to exhaust pressure described
When the corresponding saturation temperature of power is more than the first threshold and is less than the second threshold, described first is controlled with corresponding manner
Wind turbine and the second wind turbine；
Wherein, the first processing units it is described with reference to the corresponding saturation temperature of pressure at expulsion be more than the first threshold and
When less than third threshold value, first wind turbine is opened, and close second wind turbine；
Alternatively, not less than the third threshold value and being not more than the 4th threshold value with reference to the corresponding saturation temperature of pressure at expulsion described
When, keep the current state of first wind turbine and the second wind turbine；
Alternatively, more than the 4th threshold value and being less than the second threshold with reference to the corresponding saturation temperature of pressure at expulsion described
When, open first wind turbine and the second wind turbine.
Priority Applications (1)
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| CN107763887B (en) * | 2017-11-03 | 2020-08-04 | 广东芬尼能源技术有限公司 | Energy level control method and control device for dual-system heat pump unit |
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