CN107255351A - Rotation speed of fan control method, rotation speed of fan control system and air-conditioning - Google Patents
Rotation speed of fan control method, rotation speed of fan control system and air-conditioning Download PDFInfo
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- CN107255351A CN107255351A CN201710510196.2A CN201710510196A CN107255351A CN 107255351 A CN107255351 A CN 107255351A CN 201710510196 A CN201710510196 A CN 201710510196A CN 107255351 A CN107255351 A CN 107255351A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The present invention proposes a kind of rotation speed of fan control method, rotation speed of fan control system and air-conditioning.Wherein, rotation speed of fan control method, for air-conditioning, including：Determine whether blower fan feedback signal is interfered；If the determination result is YES, then control blower fan is run with current rotary speed instruction, closes the compressor variable frequency device of air-conditioning；After close compressor frequency converter, it is determined that whether blower fan feedback signal when being run with current rotary speed instruction is interfered；If judged result is no, it is determined that the actual speed of blower fan, the tachometer value in revolution counter is updated according to actual speed.Pass through technical scheme; the identification being interfered to feedback signal is realized, and accurately judges that the interference source that blower fan is subject to comes from internal or outside, controls rotation speed of fan blower fan is run well by judged result; the possibility of air-conditioning shutdown is reduced, Consumer's Experience is improved.
Description
Technical field
The present invention relates to field of air conditioning, controlled in particular to a kind of rotation speed of fan control method, a kind of rotation speed of fan
System and a kind of air-conditioning.
Background technology
At present, in Control Method of Inverter Air Conditioner, DC motor speed detection is typically by detection motor feedback signals
Pulse number calculate the actual speed of motor, it is some it is specific under the conditions of, the controller and its circuit of frequency-changeable compressor
Strong jamming can be produced to direct current generator feedback signal, master control can not know the presence of interference so that master control collects turning for mistake
Fast signal, causes the shutdown of air-conditioning mistake.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art or correlation technique.
Therefore, one object of the present invention is there is provided a kind of rotation speed of fan control method, for air-conditioning.
It is another object of the present invention to propose a kind of rotation speed of fan control system, for air-conditioning.
Another object of the present invention is to propose a kind of computer equipment.
Another object of the present invention is to propose a kind of computer-readable recording medium.
Another object of the present invention is to propose a kind of air-conditioning.
In view of this, the technical scheme of the first aspect of the present invention proposes a kind of rotation speed of fan control method, for sky
Adjust, including：Determine whether blower fan feedback signal is interfered；If the determination result is YES, then control blower fan is referred to current rotating speed
Order operation, closes the compressor variable frequency device of air-conditioning；After close compressor frequency converter, it is determined that when being run with current rotary speed instruction
Blower fan feedback signal whether be interfered；If judged result is no, it is determined that the actual speed of blower fan, according to actual speed more
Tachometer value in new revolution counter.
In the technical scheme, at work, the controller and its circuit of frequency-changeable compressor are one capable and experienced to convertible frequency air-conditioner
Disturb source, it is some it is specific under the conditions of, these interference signals can disturb blower fan feedback signal.By determining that blower fan feedback signal is
It is no to be interfered, it is that blower fan further takes measures anti-interference offer foundation；If it is judged that being yes, illustrate that now blower fan is anti-
Feedback signal is interfered, then controls blower fan to be run with current rotary speed instruction, closes the compressor variable frequency device of air-conditioning, realizes
When detecting feedback signal and being interfered, strong interferers compressor is closed, to determine whether interference that feedback signal is subject to
From internal or outside offer foundation；After close compressor frequency converter, it is determined that wind when being run with current rotary speed instruction
Whether machine feedback signal is interfered, and realizes and accurately judges whether feedback signal is to be disturbed by compressor variable frequency device；Such as
Fruit judged result is no, illustrates that it is compressor variable frequency device that feedback signal, which is produced strongly disturbing, it is determined that the actual speed of blower fan,
Tachometer value in revolution counter is updated according to actual speed, the identification being interfered to feedback signal is realized, and accurately sentence
The interference source that disconnected blower fan is subject to controls rotation speed of fan blower fan is run well from internal or outside by judged result, drops
The possibility that low air-conditioning is shut down, improves Consumer's Experience.
In the above-mentioned technical solutions, it is preferable that determine whether blower fan feedback signal is interfered, specifically include：It is determined that dry
Disturb the value of register；If the value for disturbing register is not 0, the value of the emergent register corresponding to blower fan feedback signal is read；
If the value of emergent register is 0, the counter of statistics number is again read off anti-corresponding to blower fan from Jia one after preset time
The value of the emergent register of feedback signal, after the value of counter is preset times, determines that blower fan feedback signal is interfered；If
The value of emergent register is not 0, then controls blower fan to be run with the tachometer value in default revolution counter, and the value of emergent register is adjusted
Whole is 1, wherein, the initial value of counter is 0.
In the technical scheme, by the value for determining interference register, it can be determined that whether blower fan feedback signal is by dry
Disturb；If the value for disturbing register is not 0, illustrate that blower fan feedback signal is interfered, then read and correspond to blower fan feedback signal
Emergent register value, realization accurately judge whether feedback signal is interfered, reduction error；If the value of emergent register
For 0, illustrating now start emergency measure control rotation speed of fan, it is necessary to the interference for being subject to blower fan feedback signal judge more
Several times, the possibility for frequently executing emergency flight control to blower fan when blower fan is interfered once in a while is reduced, energy consumption is reduced, then unites
The counter of metering number realizes and the interference number of times that blower fan feedback signal is subject to is counted, after preset time from Jia one
The value of the emergent register corresponding to blower fan feedback signal is again read off, after the value of counter is preset times, wind is determined
Machine feedback signal receives strong jamming, realizes the repeated detection being interfered to blower fan feedback signal, and reduce erroneous judgement can
Can property；If the value of emergent register is not 0, illustrate that blower fan feedback signal has been actually subjected to strong jamming, then control blower fan with pre-
If revolution counter in tachometer value operation, realize and rotation speed of fan answered detecting after blower fan feedback signal is interfered
Anxious control, reduces the possibility of mistake shutdown, improves the stability of a system, improve Consumer's Experience；By emergent register
Value is adjusted to 1, and foundation is provided to continue to judge whether interference source exists always.
In the above-mentioned technical solutions, it is preferable that it is determined that the value of interference register is specifically included：Determine the rotation speed change of motor
Rate, corresponding running status is determined according to relative speed variation；In motor operation course, the feedback letter in running status is detected
Number quantity；If quantity is more than the corresponding amount threshold of running status, the value for disturbing register is not 0, otherwise, interference deposit
The value of device is 0.
In the technical scheme, by detecting the relative speed variation of motor, determine that motor is current according to relative speed variation
Running status, is the premise determined to the corresponding amount threshold of running status；In motor operation course, by detecting in operation
The quantity of feedback signal in state, amount threshold corresponding with running status is compared, and motor, which can be recognized accurately, is
It is no to there is interference, if quantity is more than the corresponding amount threshold of running status, illustrate that motor is interfered, then disturb register
Value is not 0；If quantity is less than or equal to the corresponding amount threshold of running status, illustrates that motor is not affected by interference, disturb register
Value be 0, realize and motor recognized by High-frequency Interference, be further anti-interference offer foundation, reduce master control collection
Cause the possibility that air-conditioning mistake is shut down to error signal, improve the stability of a system.
In the above-mentioned technical solutions, it is preferable that if the value of interference register is 0, to be controlled according to blower fan feedback signal
The rotating speed of blower fan.
In the technical scheme, if the value of interference register is 0, illustrate that blower fan feedback signal is not interfered, this
When according to blower fan feedback signal control blower fan rotating speed, improve system reliability and stability, improve Consumer's Experience.
In the above-mentioned technical solutions, it is preferable that rotation speed of fan control method, in addition to：If being transported with current rotary speed instruction
Blower fan feedback signal during row is interfered, then opens compressor variable frequency device.
In the technical scheme, if detected with blower fan feedback signal during rotary speed instruction operation after adjustment by dry
Disturb, illustrate that it is not compressor variable frequency device that blower fan, which is produced strongly disturbing, then opens compressor variable frequency device, realize and interference source is come
From internal or outside accurate judgement, and after internal interference is excluded, control air-conditioning runs well, and improves system reliable
Property.
The technical scheme of the second aspect of the present invention proposes a kind of rotation speed of fan control system, for air-conditioning, including：It is dry
Determining unit is disturbed, for determining whether blower fan feedback signal is interfered；Closing unit, for what is determined in interference determining unit
Judged result closes the compressor variable frequency device of air-conditioning for when being, control blower fan is run with current rotary speed instruction；Failture evacuation list
Member, for after close compressor frequency converter, it is determined that blower fan feedback signal when being run with current rotary speed instruction whether by
Interference；Adjustment of rotational speed unit, when the judged result for being determined in failure deliverying unit is no, determines the actual speed of blower fan,
Tachometer value in revolution counter is updated according to actual speed.
In the technical scheme, by disturbing determining unit, determine whether blower fan feedback signal is interfered, be that blower fan enters
One step takes measures anti-interference offer foundation；If it is judged that being yes, illustrate that now blower fan feedback signal is interfered, and passes through
Closing unit, control blower fan is run with current rotary speed instruction, closes the compressor variable frequency device of air-conditioning, is realized and is being detected instead
When feedback signal is interfered, strong interferers compressor is closed, to determine whether that the interference that feedback signal is subject to comes from inside
Or it is outside that foundation is provided；By failture evacuation unit, after close compressor frequency converter, it is determined that being transported with current rotary speed instruction
Whether blower fan feedback signal during row is interfered, and realizes and accurately judges whether feedback signal is by compressor variable frequency device
Interference；If it is judged that being no, illustrate that it is compressor variable frequency device that feedback signal, which is produced strongly disturbing, passes through adjustment of rotational speed list
Member, determines the actual speed of blower fan, and the tachometer value in revolution counter is updated according to actual speed, realizes after interference disappears, control
Blower fan processed runs well.
In the above-mentioned technical solutions, it is preferable that interference determining unit is specifically included：First reading unit, for determining to do
Disturb the value of register；Second reading unit, is not 0 for the value in interference register, then reads and correspond to blower fan feedback signal
Emergent register value；Count judging unit, for when the value of emergent register is 0, the counter of statistics number from plus
One, the value of the emergent register corresponding to blower fan feedback signal is again read off after preset time, until the value of counter is pre-
If after number of times, determining that blower fan feedback signal is interfered；First running unit, when being not 0 for the value in emergent register, control
Blower fan processed with default revolution counter tachometer value run, the value of emergent register is adjusted to 1, wherein, counter it is initial
It is worth for 0.
In the technical scheme, by the first reading unit, it is determined that the value of interference register, it can be determined that blower fan feedback letter
Number whether it is interfered；If the value for disturbing register is not 0, illustrates that blower fan feedback signal is interfered, read by second
Unit, reads the value of the emergent register corresponding to blower fan feedback signal, and realization accurately judges whether feedback signal is interfered,
Reduce error；If the value of emergent register is 0, illustrate that need not now start emergency measure controls rotation speed of fan, it is necessary to right
Judging the interference that blower fan feedback signal is subject to more several times, reduce blower fan is frequently executed when blower fan is interfered once in a while it is emergent
The possibility of control, reduces energy consumption, then the counter of statistics number, by counting judging unit, is realized to wind from Jia one
The interference number of times that machine feedback signal is subject to is counted, and is again read off after preset time corresponding to the emergent of blower fan feedback signal
The value of register, after the value of counter is preset times, determines that blower fan feedback signal receives strong jamming, realizes to wind
The repeated detection that machine feedback signal is interfered, reduces the possibility of erroneous judgement；If the value of emergent register is not 0, explanation
Blower fan feedback signal has been actually subjected to strong jamming, and by the first running unit, control blower fan is with the rotating speed in default revolution counter
Value operation, realizes and is detecting after blower fan feedback signal is interfered to rotation speed of fan progress emergency flight control, reduce mistake
The possibility of shutdown, improves the stability of a system, improves Consumer's Experience；The value of emergent register is adjusted to 1, is further
Continuation judges whether interference source exists always and provides foundation.
In the above-mentioned technical solutions, it is preferable that the first reading unit is specifically included：Status determining unit, for determining electricity
The relative speed variation of machine, corresponding running status is determined according to relative speed variation；Number of signals detection unit, for being transported in motor
During row, the quantity of the feedback signal in running status is detected；Assignment unit is disturbed, for being more than running status in quantity
During corresponding amount threshold, the value for disturbing register is not 0, otherwise, and the value of interference register is 0.
In the technical scheme, the relative speed variation of motor is detected by status determining unit, it is true according to relative speed variation
Determine the current running status of motor, be to determine the premise of the corresponding amount threshold of running status；In motor operation course, pass through
Number of signals detection unit, detects the quantity of the feedback signal in running status, and amount threshold corresponding with running status is entered
Row compares, and motor can be recognized accurately with the presence or absence of interference, if quantity is more than the corresponding amount threshold of running status, explanation
Now there is interference in motor, by disturbing assignment unit, and it is not 0 that the value for disturbing register, which is adjusted to,；If quantity be less than etc.
In the corresponding amount threshold of running status, illustrate that now motor is not interfered, now disturb assignment unit not post interference
The value of storage is adjusted, and the value of interference register is 0, realizes and motor is recognized by High-frequency Interference, be further anti-
Interference provides foundation, reduces master control and collects the possibility that error signal causes air-conditioning mistake to be shut down, improves system stable
Property.
In the above-mentioned technical solutions, it is preferable that rotation speed of fan control system, in addition to：Second running unit, for dry
When the value for disturbing register is 0, to control the rotating speed of blower fan according to blower fan feedback signal.
In the technical scheme, if the value of interference register is 0, illustrate that blower fan feedback signal is not interfered, this
When by the second running unit, the rotating speed of blower fan is controlled according to blower fan feedback signal, system reliability and stability is improved, carries
Consumer's Experience is risen.
In the above-mentioned technical solutions, it is preferable that rotation speed of fan control system, in addition to：Opening unit, for current
Rotary speed instruction operation when blower fan feedback signal when being interfered, open compressor variable frequency device.
In the technical scheme, if detected with blower fan feedback signal during rotary speed instruction operation after adjustment by dry
Disturb, illustrate that it is not compressor variable frequency device that blower fan, which is produced strongly disturbing, by opening unit, open compressor variable frequency device, realize
To interference source from internal or outside accurate judgement, and after internal interference is excluded, control air-conditioning runs well, lifting
System reliability.
The technical scheme of the third aspect of the present invention proposes a kind of computer equipment, including memory, processor and deposits
The computer program that can be run on the memory and on the processor is stored up, is performed during computing device computer program
Rotation speed of fan control method.
In the technical scheme, the computer program for performing the rotation speed of fan control method of any of the above-described is stored in storage
It on device, during computing device computer program, can accurately identify, and accurately judge to whether blower fan is interfered
The interference source that blower fan is subject to controls rotation speed of fan blower fan is run well from internal or outside, and by judged result, drops
The possibility that low air-conditioning is shut down, improves system reliability.
The technical scheme of the fourth aspect of the present invention proposes a kind of computer-readable recording medium, is stored thereon with calculating
Machine program, realizes rotation speed of fan control method when computer program is executed by processor.
In the technical scheme, processor realizes that rotation speed of fan control method as described above is needed by computer journey
Sequence, this computer program needs to be stored in computer-readable medium.This computer-readable medium ensure that calculating
Machine program can be executed by processor, so as to be accurately identified to whether blower fan is interfered, and accurately judge blower fan
The interference source being subject to controls rotation speed of fan blower fan is run well from internal or outside, and by judged result, reduces
The possibility that air-conditioning is shut down, improves system reliability.
The technical scheme of the fifth aspect of the present invention proposes a kind of air-conditioning, including：The rotation speed of fan control system of any one
System.
In the technical scheme, include the air-conditioning of any of the above-described rotation speed of fan control system, can to blower fan whether by
Accurately identified to interference, and accurately judge that the interference source that blower fan is subject to comes from internal or outside, and pass through judgement
Output control rotation speed of fan makes blower fan run well, and reduces the possibility of air-conditioning shutdown, improves system reliability.
The additional aspect and advantage of the present invention will become obvious in following description section, or pass through the practice of the present invention
Recognize.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 shows the schematic flow sheet of rotation speed of fan control method according to an embodiment of the invention；
Fig. 2 shows the schematic flow sheet of rotation speed of fan control method according to still a further embodiment；
Fig. 3 shows the schematic diagram of rotation speed of fan control system according to an embodiment of the invention；
Fig. 4 shows the schematic diagram of interference determining unit according to an embodiment of the invention；
Fig. 5 shows the first reading unit schematic diagram according to an embodiment of the invention；
Fig. 6 shows the schematic diagram of rotation speed of fan control system according to still a further embodiment；
Fig. 7 shows the schematic diagram of computer equipment according to an embodiment of the invention；
Fig. 8 shows the schematic diagram of air-conditioning according to an embodiment of the invention.
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Fig. 1 shows the schematic flow sheet of rotation speed of fan control method according to an embodiment of the invention.
As shown in figure 1, rotation speed of fan control method includes：
Step S102, determines whether blower fan feedback signal is interfered；
Step S104, if the determination result is YES, is then controlled blower fan to be run with current rotary speed instruction, closes the compression of air-conditioning
Machine frequency converter；
Step S106, after close compressor frequency converter, it is determined that blower fan feedback letter when being run with current rotary speed instruction
Number whether it is interfered；
Step S108, if judged result is no, it is determined that the actual speed of blower fan, updates in revolution counter according to actual speed
Tachometer value.
In this embodiment, it is that blower fan further takes measures to resist by determining whether blower fan feedback signal is interfered
Interference provides foundation；If it is judged that being yes, illustrate that now blower fan feedback signal is interfered, then control blower fan with current
Rotary speed instruction is run, and closes the compressor variable frequency device of air-conditioning, is realized when detecting feedback signal and being interfered, by strong jamming
Source compressor is closed, to determine whether that the interference that feedback signal is subject to provides foundation from internal or outside；Closing pressure
After contracting machine frequency converter, it is determined that whether blower fan feedback signal when being run with current rotary speed instruction is interfered, it is accurate to realize
Whether judge feedback signal is to be disturbed by compressor variable frequency device；If it is judged that being no, illustrate to produce feedback signal
Strongly disturbing is compressor variable frequency device, it is determined that the actual speed of blower fan, and the tachometer value in revolution counter is updated according to actual speed,
Realize after interference disappears, control blower fan runs well.
In addition, the rotation speed of fan control method in above-described embodiment that the present invention is provided can also have following supplementary technology
Feature：
Specific embodiment one：
In above-described embodiment, it is preferable that determine whether blower fan feedback signal is interfered, specifically include：It is determined that interference is posted
The value of storage；If the value for disturbing register is not 0, the value of the emergent register corresponding to blower fan feedback signal is read；If should
The value of anxious register is 0, then the counter of statistics number is again read off corresponding to blower fan feedback letter from Jia one after preset time
Number emergent register value, until counter value be preset times after, determine that blower fan feedback signal is interfered；If emergent
The value of register is not 0, then controls blower fan to be run with the tachometer value in default revolution counter, the value of emergent register is adjusted to
1, wherein, the initial value of the counter is 0.
In this embodiment, the value of register is disturbed by determination, it can be determined that whether blower fan feedback signal is interfered；
If the value for disturbing register is not 0, illustrate that blower fan feedback signal is interfered, then read answering corresponding to blower fan feedback signal
The value of anxious register, realization accurately judges whether feedback signal is interfered, and reduces error；If the value of emergent register is 0,
Illustrate that need not now start emergency measure controls rotation speed of fan, it is necessary to judge several the interference being subject to blower fan feedback signal more
It is secondary, the possibility for frequently executing emergency flight control to blower fan when blower fan is interfered once in a while is reduced, energy consumption is reduced, then counts
The counter of number of times realizes and the interference number of times that blower fan feedback signal is subject to is counted, after preset time again from Jia one
The secondary value for reading the emergent register corresponding to blower fan feedback signal, after the value of counter is preset times, determines blower fan
Feedback signal receives strong jamming, realizes the repeated detection being interfered to blower fan feedback signal, reduces the possibility of erroneous judgement
Property；If the value of emergent register is not 0, illustrate that blower fan feedback signal has been actually subjected to strong jamming, then control blower fan with default
Revolution counter in tachometer value operation, realize and rotation speed of fan met an urgent need detecting after blower fan feedback signal is interfered
Control, reduces the possibility of mistake shutdown, improves the stability of a system, improve Consumer's Experience；By the value of emergent register
1 is adjusted to, foundation is provided to continue to judge whether interference source exists always.
Specifically, when air-conditioning draught fan is run, it is determined that whether the value R of interference register is 0, if being not 0, then read
The value Z of the emergent register of correspondence blower fan feedback signal1If the value for register of meeting an urgent need is 0, statistical number device numerical value T1From adding
One, statistical counter initial value is 0, and a natural number is set according to actual needs as counter number threshold value, such as 3, work as system
Count counter values T1During more than or equal to 3, control blower fan is run with current rotary speed instruction, closes the compressor variable frequency of air-conditioning
Device, close compressor frequency converter needs T2Time, in T2After time, statistical counter numerical value T1Reset, control blower fan to work as forward
Fast instruction operation, continues to gather blower fan feedback signal and judges whether feedback signal is interfered.
Preferably, the T that close compressor frequency converter needs2Time needs to determine by actual measurement.
Fig. 2 shows the schematic flow sheet of rotation speed of fan control method according to still a further embodiment.
As shown in Fig. 2 rotation speed of fan control method includes：
Step S202, determines whether blower fan feedback signal is interfered；
Step S204, if the determination result is YES, is then controlled blower fan to be run with current rotary speed instruction, closes the compression of air-conditioning
Machine frequency converter；
Step S206, after close compressor frequency converter, it is determined that blower fan feedback letter when being run with current rotary speed instruction
Number whether it is interfered；
Step S208, if blower fan feedback signal when being run with current rotary speed instruction is interfered, opens compressor
Frequency converter.
In this embodiment, it is that blower fan further takes measures to resist by determining whether blower fan feedback signal is interfered
Interference provides foundation；If it is judged that being yes, illustrate that now blower fan feedback signal is interfered, then control blower fan with current
Rotary speed instruction is run, and closes the compressor variable frequency device of air-conditioning, is realized when detecting feedback signal and being interfered, by strong jamming
Source compressor is closed, to determine whether that the interference that feedback signal is subject to provides foundation from internal or outside；Closing pressure
After contracting machine frequency converter, it is determined that whether blower fan feedback signal when being run with current rotary speed instruction is interfered, it is accurate to realize
Whether judge feedback signal is to be disturbed by compressor variable frequency device；If detected when being run with the rotary speed instruction after adjustment
Blower fan feedback signal is interfered, and illustrates that it is not compressor variable frequency device that blower fan, which is produced strongly disturbing, then opens compressor variable frequency
Device, is realized to interference source from internal or outside accurate judgement, and after internal interference is excluded, control air-conditioning is normally transported
Turn, improve system reliability.
Fig. 3 shows the schematic diagram of rotation speed of fan control system according to an embodiment of the invention.
As shown in figure 3, rotation speed of fan control system 100, including：
Determining unit 102 is disturbed, for determining whether blower fan feedback signal is interfered；
Closing unit 104, for when disturbing the judged result that determining unit is determined to be, control blower fan to be turned with current
Fast instruction operation, closes the compressor variable frequency device of air-conditioning；
Failture evacuation unit 106, for after close compressor frequency converter, it is determined that when being run with current rotary speed instruction
Whether blower fan feedback signal is interfered；
Adjustment of rotational speed unit 108, when the judged result for being determined in failure deliverying unit is no, determines the reality of blower fan
Rotating speed, the tachometer value in revolution counter is updated according to actual speed.
In this embodiment, by disturbing determining unit 102, determine whether blower fan feedback signal is interfered, be blower fan
Further take measures anti-interference offer foundation；If it is judged that being yes, illustrate that now blower fan feedback signal is interfered, lead to
Closing unit 104 is crossed, control blower fan is run with current rotary speed instruction, closes the compressor variable frequency device of air-conditioning, is realized in inspection
When measuring feedback signal and being interfered, strong interferers compressor is closed, to determine whether that the interference that feedback signal is subject to comes
From internal or outside offer foundation；By failture evacuation unit 106, after close compressor frequency converter, it is determined that with current
Whether blower fan feedback signal when rotary speed instruction is run is interfered, and realizes and accurately judges whether feedback signal is to be compressed
The interference of machine frequency converter；If it is judged that being no, illustrate that it is compressor variable frequency device that feedback signal, which is produced strongly disturbing, is passed through
Adjustment of rotational speed unit 108, determines the actual speed of blower fan, updates the tachometer value in revolution counter according to actual speed, realizes
After interference disappears, control blower fan runs well.
Fig. 4 shows the schematic diagram of interference determining unit according to an embodiment of the invention.
As shown in figure 4, interference determining unit 202, including：
First reading unit 2022, the value for determining interference register；
Second reading unit 2024, is not 0 for the value in interference register, then reads corresponding to blower fan feedback signal
The value of emergent register；
Count judging unit 2026, for when the value of emergent register is 0, the counter of statistics number from Jia one,
The value of the emergent register corresponding to blower fan feedback signal is again read off after preset time, until the value of counter is preset times
Afterwards, determine that blower fan feedback signal is interfered；
First running unit 2028, when being not 0 for the value in emergent register, control blower fan is with default revolution counter
Tachometer value operation, the value of emergent register is adjusted to 1, wherein, the initial value of counter is 0.
In this embodiment, by the first reading unit 2022, it is determined that the value of interference register, it can be determined that blower fan feeds back
Whether signal is interfered；If the value for disturbing register is not 0, illustrates that blower fan feedback signal is interfered, read by second
Take unit 2024, read the value of the emergent register corresponding to blower fan feedback signal, realize it is accurate judge feedback signal whether by
To interference, error is reduced；If the value of emergent register is 0, illustrate now start emergency measure control rotation speed of fan,
Needing to judge several times, to reduce and frequently hold blower fan when blower fan is interfered once in a while the interference for being subject to blower fan feedback signal more
The possibility of row emergency flight control, reduces energy consumption, then the counter of statistics number is from Jia one, by counting judging unit 2026,
Realize and the interference number of times that blower fan feedback signal is subject to is counted, again read off after preset time corresponding to blower fan feedback
The value of the emergent register of signal, until the value of counter is after preset times, determines that blower fan feedback signal receives strong jamming,
The repeated detection being interfered to blower fan feedback signal is realized, the possibility of erroneous judgement is reduced；If the value of emergent register
It is not 0, illustrates that blower fan feedback signal has been actually subjected to strong jamming, by the first running unit 2028, control blower fan is with default
Tachometer value operation in revolution counter, realizes and is detecting after blower fan feedback signal is interfered to the emergent control of rotation speed of fan progress
System, reduces the possibility of mistake shutdown, improves the stability of a system, improve Consumer's Experience；The value of emergent register is adjusted
Whole is 1, and foundation is provided to continue to judge whether interference source exists always.
Fig. 5 shows the first reading unit schematic diagram according to an embodiment of the invention.
As shown in figure 5, the first reading unit 3022, including：
Status determining unit 30222, the relative speed variation for determining motor, corresponding fortune is determined according to relative speed variation
Row state；
Number of signals detection unit 30224, in motor operation course, detecting the feedback signal in running status
Quantity；
Assignment unit 30226 is disturbed, in quantity amount threshold corresponding more than running status, disturbing register
Value is not 0, otherwise, and the value of interference register is 0.
In this embodiment, the relative speed variation of motor is detected by status determining unit 30222, according to relative speed variation
The current running status of motor is determined, the premise of the corresponding amount threshold of running status is to determine；In motor operation course, lead to
Number of signals detection unit 30224 is crossed, the quantity of the feedback signal in running status, quantity corresponding with running status is detected
Threshold value is compared, and motor can be recognized accurately with the presence or absence of interference, if quantity is more than the corresponding quantity threshold of running status
Value, illustrates that now motor has interference, by disturbing assignment unit 30226, and it is not 0 that the value for disturbing register, which is adjusted to,；Such as
Fruit quantity is less than or equal to the corresponding amount threshold of running status, illustrates that now motor is not interfered, and now disturbs assignment list
Member is not adjusted to the value for disturbing register, and the value of interference register is 0, realizes and motor is known by High-frequency Interference
Not, it is further anti-interference offer foundation, reduces master control and collect the possibility that error signal causes air-conditioning mistake to be shut down, carry
The stability of a system is risen.
Fig. 6 shows the schematic diagram of rotation speed of fan control system according to still a further embodiment.
As shown in fig. 6, rotation speed of fan control system 400, including：
Determining unit 402 is disturbed, for determining whether blower fan feedback signal is interfered；
Closing unit 404, for when disturbing the judged result that determining unit is determined to be, control blower fan to be turned with current
Fast instruction operation, closes the compressor variable frequency device of air-conditioning；
Failture evacuation unit 406, for after close compressor frequency converter, it is determined that when being run with current rotary speed instruction
Whether blower fan feedback signal is interfered；
Adjustment of rotational speed unit 408, when the judged result for being determined in failure deliverying unit is no, determines the reality of blower fan
Rotating speed, the tachometer value in revolution counter is updated according to actual speed.
Second running unit 410, for disturb register value be 0 when, with according to the blower fan feedback signal control
The rotating speed of the blower fan.
In this embodiment, by disturbing determining unit 402, determine whether blower fan feedback signal is interfered, be blower fan
Further take measures anti-interference offer foundation；If it is judged that being yes, illustrate that now blower fan feedback signal is interfered, lead to
Closing unit 404 is crossed, control blower fan is run with current rotary speed instruction, closes the compressor variable frequency device of air-conditioning, is realized in inspection
When measuring feedback signal and being interfered, strong interferers compressor is closed, to determine whether that the interference that feedback signal is subject to comes
From internal or outside offer foundation；By failture evacuation unit 406, after close compressor frequency converter, it is determined that with current
Whether blower fan feedback signal when rotary speed instruction is run is interfered, and realizes and accurately judges whether feedback signal is to be compressed
The interference of machine frequency converter；If it is judged that being no, illustrate that it is compressor variable frequency device that feedback signal, which is produced strongly disturbing, is passed through
Adjustment of rotational speed unit 408, determines the actual speed of blower fan, updates the tachometer value in revolution counter according to actual speed, realizes
After interference disappears, control blower fan runs well.If the value for disturbing register is 0, illustrate blower fan feedback signal not by dry
Disturb, now by the second running unit 410, according to blower fan feedback signal control blower fan rotating speed, improve system reliability and
Stability, improves Consumer's Experience.
Fig. 7 shows the schematic diagram of computer equipment according to an embodiment of the invention.
As shown in fig. 7, computer equipment 1 includes：
Memory 12, memory 12 is used to store computer program；
Processor 14, processor 14 is used to perform the computer program stored in memory；
Processor 14 performs following steps when performing computer program：
Determine whether blower fan feedback signal is interfered；If the determination result is YES, then control blower fan is referred to current rotating speed
Order operation, closes the compressor variable frequency device of air-conditioning；After close compressor frequency converter, it is determined that when being run with current rotary speed instruction
Blower fan feedback signal whether be interfered；If judged result is no, it is determined that the actual speed of blower fan, according to actual speed more
Tachometer value in new revolution counter.
In this embodiment, the computer program for performing the rotation speed of fan control method of any of the above-described is stored in memory
On 12, when processor 14 performs computer program, it can be accurately identified to whether blower fan is interfered, and accurately sentence
The interference source that disconnected blower fan is subject to controls rotation speed of fan blower fan is run well from internal or outside, and by judged result,
The possibility of air-conditioning shutdown is reduced, system reliability is improved.
Fig. 8 shows the schematic diagram of air-conditioning according to an embodiment of the invention.
As shown in figure 8, air-conditioning 800 includes：
Rotation speed of fan control system 802, for judging whether blower fan is interfered, and excludes itself interference, root
It is judged that result adjustment rotation speed of fan makes blower fan run well.
In this embodiment, include the air-conditioning of any of the above-described rotation speed of fan control system, can to blower fan whether by
Interference is accurately identified, and accurately judges that the interference source that blower fan is subject to is tied from internal or outside, and by judgement
Fruit control rotation speed of fan makes blower fan run well, and reduces the possibility of air-conditioning shutdown, improves system reliability.
Technical scheme, a kind of rotation speed of fan control method, rotation speed of fan is described in detail above in association with accompanying drawing
Control system and air-conditioning, by technical scheme, realize the identification being interfered to feedback signal, and accurately judge
Judge that the interference source that blower fan is subject to comes from internal or outside, control rotation speed of fan blower fan is run well by judged result,
The possibility of air-conditioning shutdown is reduced, Consumer's Experience is improved.
In the present invention, term " first ", " second ", " the 3rd " are only used for the purpose described, and it is not intended that indicating
Or imply relative importance；Term " multiple " then refers to two or more, unless otherwise clear and definite restriction.Term " installation ",
The term such as " connected ", " connection ", " fixation " all should be interpreted broadly, for example, " connection " can be fixedly connected or can
Dismounting connection, or be integrally connected；" connected " can be joined directly together, and can also be indirectly connected to by intermediary.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In description of the invention, it is to be understood that the instruction such as term " on ", " under ", "left", "right", "front", "rear"
Orientation or position relationship are, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplification is retouched
State, rather than indicate or imply that the device or unit of meaning there must be specific direction, with specific azimuth configuration and operation,
It is thus impossible to be interpreted as limitation of the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that combining the embodiment or specific features, structure, material or the feature of example description is contained at least one reality of the invention
Apply in example or example.In this manual, identical embodiment or reality are not necessarily referring to the schematic representation of above-mentioned term
Example.Moreover, description specific features, structure, material or feature can in any one or more embodiments or example with
Suitable mode is combined.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (13)
1. a kind of rotation speed of fan control method, for air-conditioning, it is characterised in that including：
Determine whether blower fan feedback signal is interfered；
If the determination result is YES, then control blower fan is run with current rotary speed instruction, closes the compressor variable frequency device of air-conditioning；
After the compressor variable frequency device is closed, it is determined that blower fan feedback signal when being run with the current rotary speed instruction whether
It is interfered；
If judged result is no, it is determined that the actual speed of the blower fan, turning in revolution counter is updated according to the actual speed
Speed value.
2. rotation speed of fan control method according to claim 1, it is characterised in that whether the determination blower fan feedback signal
It is interfered, specifically includes：
It is determined that the value of interference register；
If the value of the interference register is not 0, the value of the emergent register corresponding to blower fan feedback signal is read；
If the value of the emergent register is 0, the counter of statistics number again reads off correspondence from Jia one after preset time
In the value of the emergent register of the blower fan feedback signal, after the value of the counter is preset times, the wind is determined
Machine feedback signal is interfered；
If the value of the emergent register is not 0, control blower fan is run with the tachometer value in default revolution counter, should by described in
The value of anxious register is adjusted to 1,
Wherein, the initial value of the counter is 0.
3. rotation speed of fan control method according to claim 2, it is characterised in that the value tool of the determination interference register
Body includes：
The relative speed variation of motor is determined, corresponding running status is determined according to the relative speed variation；
In the motor operation course, the quantity of the feedback signal in running status is detected；
If the quantity is more than the corresponding amount threshold of the running status, the value of the interference register is not 0, otherwise,
The value of the interference register is 0.
4. rotation speed of fan control method according to claim 3, it is characterised in that if the value of the interference register is 0,
Then with the rotating speed according to the blower fan feedback signal control blower fan.
5. rotation speed of fan control method according to any one of claim 1 to 4, it is characterised in that also include：
If blower fan feedback signal when being run with the current rotary speed instruction is interfered, the compressor variable frequency is opened
Device.
6. a kind of rotation speed of fan control system, for air-conditioning, it is characterised in that including：
Determining unit is disturbed, for determining whether blower fan feedback signal is interfered；
Closing unit, when the judged result for being determined in the interference determining unit is to be, control blower fan is with current rotating speed
Instruction operation, closes the compressor variable frequency device of air-conditioning；
Failture evacuation unit, for after the compressor variable frequency device is closed, it is determined that when being run with the current rotary speed instruction
Blower fan feedback signal whether be interfered；
Adjustment of rotational speed unit, when the judged result for being determined in the failure deliverying unit is no, determines the reality of the blower fan
Border rotating speed, the tachometer value in revolution counter is updated according to the actual speed.
7. rotation speed of fan control system according to claim 6, it is characterised in that the interference determining unit is specifically wrapped
Include：
First reading unit, the value for determining interference register；
Second reading unit, for not being 0 in the value of the interference register, then reads corresponding to the emergent of blower fan feedback signal
The value of register；
Judging unit is counted, for when the value of the emergent register is 0, the counter of statistics number to be from Jia one, default
The value of the emergent register corresponding to the blower fan feedback signal is again read off after time, until the value of the counter is default
After number of times, determine that the blower fan feedback signal is interfered；
First running unit, when being not 0 for the value in the emergent register, control blower fan is with turning in default revolution counter
Speed value operation, 1 is adjusted to by the value of the emergent register,
Wherein, the initial value of the counter is 0.
8. rotation speed of fan control system according to claim 7, it is characterised in that first reading unit is specifically wrapped
Include：
Status determining unit, the relative speed variation for determining motor determines corresponding operation shape according to the relative speed variation
State；
Number of signals detection unit, in the motor operation course, detecting the number of the feedback signal in running status
Amount；
Assignment unit is disturbed, in quantity amount threshold corresponding more than the running status, the interference to be deposited
The value of device is not 0, otherwise, and the value of the interference register is 0.
9. rotation speed of fan control system according to claim 8, it is characterised in that also include：
Second running unit, for it is described interference register value be 0 when, with according to the blower fan feedback signal control described in
The rotating speed of blower fan.
10. the rotation speed of fan control system according to any one of claim 6 to 9, it is characterised in that also include：
Opening unit, when being interfered for the blower fan feedback signal when being run with the current rotary speed instruction, opens institute
State compressor variable frequency device.
11. 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, it is characterised in that perform such as claim 1 to 5 described in the computing device during computer program
Any one of rotation speed of fan control method.
12. a kind of computer-readable recording medium, is stored thereon with computer program, it is characterised in that the computer program
The rotation speed of fan control method as any one of claim 1 to 5 is realized when being executed by processor.
13. a kind of air-conditioning, it is characterised in that including：Rotation speed of fan control system any one of claim 6 to 10.
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