CN105276753B - The control method and its control device of convertible frequency air-conditioner and frequency-variable air conditioner outdoor machine - Google Patents
The control method and its control device of convertible frequency air-conditioner and frequency-variable air conditioner outdoor machine Download PDFInfo
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- CN105276753B CN105276753B CN201410312852.4A CN201410312852A CN105276753B CN 105276753 B CN105276753 B CN 105276753B CN 201410312852 A CN201410312852 A CN 201410312852A CN 105276753 B CN105276753 B CN 105276753B
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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 invention discloses a kind of control methods of frequency-variable air conditioner outdoor machine, include the following steps：The environmental noise of frequency-variable air conditioner outdoor machine is detected before frequency-variable air conditioner outdoor machine operation；Detect the operation noise of frequency-variable air conditioner outdoor machine in real time when frequency-variable air conditioner outdoor machine is run；And in the noise that the operation noise of frequency-variable air conditioner outdoor machine is more than environmental noise or more than frequency-variable air conditioner outdoor machine normal operation when generates, the frequency-variable air conditioner outdoor machine is controlled according to the operation noise of frequency-variable air conditioner outdoor machine.The control method of the frequency-variable air conditioner outdoor machine of the present invention; it can be in frequency-variable air conditioner outdoor machine noise exception; the effective monitoring protection of progress, improves the reliability and stability of frequency-variable air conditioner outdoor machine, and then can reduce the influence caused by outdoor unit noise lives on user.The invention also discloses a kind of control device of frequency-variable air conditioner outdoor machine and convertible frequency air-conditioners.
Description
Technical field
The present invention relates to technical field of electric appliances, more particularly to a kind of control method of frequency-variable air conditioner outdoor machine and control fill
It sets, and the convertible frequency air-conditioner with the control device.
Background technology
Existing domestic variable frequency air-conditioner outdoor unit is usually selectively mounted near outdoor windowsill, when outdoor unit normal operation,
The noise decibel value of the generations such as the compressor and wind turbine of outdoor unit is smaller, can't be caused to the life of user too big
Negative effect.But frequency-variable air conditioner outdoor machine is before failure, often occurs in advance with tube vibration, compressor rotation is abnormal,
Situations such as fan stall, causes the noise decibel value of outdoor unit increasing, not only influences the daily life of user, finally also
Other electric-controlled parts of convertible frequency air-conditioner may be caused not ear a heavy burden, fail the failure risks such as shutdown.If carried out not in time real-time
Protection control, on the one hand can cause the noise problem of client to be complained, influence the market public praise of convertible frequency air-conditioner brand, on the other hand
The burdens of various aspects can be brought to manufacturer, such as reprocesses the problems such as cost increases etc..
Invention content
The purpose of the present invention is intended to solve above-mentioned technical problem at least to a certain extent.
For this purpose, an object of the present invention is to provide a kind of control method of frequency-variable air conditioner outdoor machine, the control method
It can carry out effective monitoring protection at frequency-variable air conditioner outdoor machine noise exception, improve the reliability of frequency-variable air conditioner outdoor machine
And stability, and then the influence caused by outdoor unit noise lives on user can be reduced.
It is another object of the present invention to propose a kind of control device of frequency-variable air conditioner outdoor machine.
Another object of the present invention is to propose a kind of convertible frequency air-conditioner.
In order to achieve the above objectives, an aspect of of the present present invention embodiment proposes a kind of control method of frequency-variable air conditioner outdoor machine,
The control method includes the following steps：The environment that the frequency-variable air conditioner outdoor machine is detected before frequency-variable air conditioner outdoor machine operation is made an uproar
Sound；Detect the operation noise of the frequency-variable air conditioner outdoor machine in real time when the frequency-variable air conditioner outdoor machine is run；And described
It is produced when the operation noise of frequency-variable air conditioner outdoor machine is more than the environmental noise or more than the frequency-variable air conditioner outdoor machine normal operation
When raw noise, the frequency-variable air conditioner outdoor machine is controlled according to the operation noise of the frequency-variable air conditioner outdoor machine.
The control method of frequency-variable air conditioner outdoor machine according to the ... of the embodiment of the present invention, by detecting frequency-variable air conditioner outdoor machine in real time
Operation noise, and be more than environmental noise in the operation noise of frequency-variable air conditioner outdoor machine or normally transport more than frequency-variable air conditioner outdoor machine
When the noise generated when row, starting protection control function, and then according to the operation noise of frequency-variable air conditioner outdoor machine to convertible frequency air-conditioner
Outdoor unit is controlled, and can be carried out effectively monitoring protection in frequency-variable air conditioner outdoor machine noise exception, be adjusted each portion in real time
The load of part improves the reliability and stability of frequency-variable air conditioner outdoor machine, reduces the operation noise pair because of frequency-variable air conditioner outdoor machine
The influence of user's life.
Wherein, it is more than the environmental noise in the operation noise of the frequency-variable air conditioner outdoor machine or is more than the convertible frequency air-conditioner
When noise when outdoor unit normal operation, according to the operation noise of the frequency-variable air conditioner outdoor machine to the frequency-variable air conditioner outdoor machine
It is controlled, is specifically included：If the operation noise of the frequency-variable air conditioner outdoor machine is all higher than or equal to the in preset time
It is out of service then to control the frequency-variable air conditioner outdoor machine for one noise threshold.
Further, if the operation noise of the frequency-variable air conditioner outdoor machine is respectively less than described in the preset time
One noise threshold and be greater than or equal to the second noise threshold, then control the load reduction rotating speed of the frequency-variable air conditioner outdoor machine,
In, second noise threshold is less than first noise threshold.
Further, if the operation noise of the frequency-variable air conditioner outdoor machine is respectively less than described in the preset time
Two noise thresholds and it is greater than or equal to third noise threshold, then the rotating speed for controlling the load of the frequency-variable air conditioner outdoor machine maintains
Current rotating speed, wherein the third noise threshold is less than second noise threshold.
Further, if the operation noise of the frequency-variable air conditioner outdoor machine is respectively less than described in the preset time
Three noise thresholds and it is greater than or equal to the 4th noise threshold, then the rotating speed for controlling the load of the frequency-variable air conditioner outdoor machine gradually rises
It is high, wherein the 4th noise threshold is less than the third noise threshold.
In order to achieve the above objectives, another aspect of the present invention embodiment proposes a kind of control dress of frequency-variable air conditioner outdoor machine
It sets, which includes：Noise monitor, for being detected before frequency-variable air conditioner outdoor machine is run outside the convertible frequency air-conditioner room
The environmental noise of machine, and detect when the frequency-variable air conditioner outdoor machine is run the operation of the frequency-variable air conditioner outdoor machine in real time and make an uproar
Sound；Controller, the controller are more than the environmental noise in the operation noise of the frequency-variable air conditioner outdoor machine or are more than described
When the noise generated when frequency-variable air conditioner outdoor machine normal operation, according to the operation noise of the frequency-variable air conditioner outdoor machine to the change
Frequency air-conditioner outdoor unit is controlled.
The control device of frequency-variable air conditioner outdoor machine according to the ... of the embodiment of the present invention detects frequency conversion in real time by noise monitor
The operation noise of air-conditioner outdoor unit, and be more than environmental noise in the operation noise of frequency-variable air conditioner outdoor machine or be more than convertible frequency air-conditioner room
When the noise generated when outer machine normal operation, starting protection control function, and then controller is according to the fortune of frequency-variable air conditioner outdoor machine
Row noise controls frequency-variable air conditioner outdoor machine, can carry out effectively monitoring in frequency-variable air conditioner outdoor machine noise exception and protect
Shield, adjusts the load of each component in real time, improves the reliability and stability of frequency-variable air conditioner outdoor machine, reduces outside because of convertible frequency air-conditioner room
The influence that the operation noise of machine lives to user.
Specifically, the noise monitor specifically includes：Noise measuring circuit, the noise measuring circuit include：Noise
Collector, one end ground connection of the noise gathering device；First resistor, one end of the first resistor connect with the first default power supply
It connects, the other end of the first resistor is connect with the other end of the noise gathering device, the other end of the first resistor and institute
Stating has first node between the other end of noise gathering device；The input terminal of amplifying circuit, the amplifying circuit passes through the first electricity
Appearance is connect with the first node；Peak detection circuit, the peak detection circuit include：Diode, the one of the diode
End is connect by the second capacitance with the output end of the amplifying circuit；Third capacitance and second resistance, the one of the third capacitance
End ground connection, the other end of the third capacitance are connect with the other end of the diode, one end ground connection of the second resistance, institute
The other end for stating second resistance is connect with the other end of the diode；Pressure/frequency converter circuit, the pressure/frequency converter circuit
Input terminal is connect with the other end of the diode；Output circuit, the output circuit include：Triode, the triode
Base stage is connect by 3rd resistor with the output end of the pressure/frequency converter circuit, between the triode and the 3rd resistor
With second node, the emitter of the triode is grounded；The collector of the triode is connect with the controller；4th electricity
Resistance, one end ground connection of the 4th resistance, the other end of the 4th resistance are connect with the second node；5th resistance, institute
The one end for stating the 5th resistance is connect with the second default power supply, and the other end of the 5th resistance connects with the collector of the triode
It connects, there is third node between the 5th resistance and the collector of the triode, pass through the third node and the control
Device connection processed.
Further, the controller be additionally operable to the frequency-variable air conditioner outdoor machine in preset time operation noise it is big
When the first noise threshold, it is out of service to control the frequency-variable air conditioner outdoor machine, and the institute in the preset time
State frequency-variable air conditioner outdoor machine operation noise be respectively less than first noise threshold and more than or equal to the second noise threshold when, control
Make the load reduction rotating speed of the frequency-variable air conditioner outdoor machine, wherein second noise threshold is less than first noise threshold.
Further, the controller is additionally operable to the operation noise of the frequency-variable air conditioner outdoor machine in the preset time
Respectively less than described second noise threshold and more than or equal to third noise threshold when, control the load of the frequency-variable air conditioner outdoor machine
Rotating speed maintain current rotating speed, and the operation noise of the frequency-variable air conditioner outdoor machine is respectively less than institute in the preset time
State third noise threshold and when more than or equal to four noise thresholds, control the rotating speed of the load of the frequency-variable air conditioner outdoor machine by
Edge up height, wherein the third noise threshold is less than second noise threshold, and the 4th noise threshold is less than the third
Noise threshold.
In order to achieve the above objectives, another aspect of the invention embodiment proposes that a kind of convertible frequency air-conditioner, the convertible frequency air-conditioner include
The control device of the frequency-variable air conditioner outdoor machine of above-described embodiment.
Convertible frequency air-conditioner according to the ... of the embodiment of the present invention, the operation by the control device of frequency-variable air conditioner outdoor machine to outdoor unit
The detection of noise and corresponding protection control, operation is relatively reliable, stablizes.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, wherein：
Fig. 1 is the flow chart according to the control method of the frequency-variable air conditioner outdoor machine of one embodiment of the present of invention；
Fig. 2 is to be shown according to the control interval of the control method of the frequency-variable air conditioner outdoor machine of the specific embodiment of the present invention
It is intended to；
Fig. 3 is the scheme of installation according to the control device of the frequency-variable air conditioner outdoor machine of one embodiment of the present of invention；
Fig. 4 is the circuit diagram according to the control device of the frequency-variable air conditioner outdoor machine of an alternative embodiment of the invention；
Fig. 5 is the block diagram according to the convertible frequency air-conditioner of one embodiment of the present of invention.
Reference numeral
The control device 100 of frequency-variable air conditioner outdoor machine, noise monitor 10 and controller 20, noise measuring circuit 101 are put
Big circuit 102, peak detection circuit 103, pressure/frequency converter circuit 104 and output circuit 105, noise gathering device M1, first node
O1 and second node O2.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not construed as limiting the claims.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.For letter
Change disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
It is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or letter.It is this heavy
It is for purposes of simplicity and clarity, itself not indicate the relationship between discussed various embodiments and/or setting again.This
Outside, the present invention provides various specific techniques and material example, but those of ordinary skill in the art may realize that
The applicable property of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it
The structure of "upper" may include the embodiment that the first and second features are formed as being in direct contact, and can also include other feature shape
At the embodiment between the first and second features, such first and second feature may not be to be in direct contact.
In the description of the present invention, it should be noted that unless otherwise specified and limited, term " installation ", " connected ",
" connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, can also be the connection inside two elements, it can
, can also indirectly connected through an intermediary, for the ordinary skill in the art to be to be connected directly, it can basis
Concrete condition understands the concrete meaning of above-mentioned term.
With reference to following description and drawings, it will be clear that these and other aspects of the embodiment of the present invention.In these descriptions
In attached drawing, some particular implementations in the embodiment of the present invention are specifically disclosed, to indicate to implement the implementation of the present invention
Some modes of the principle of example, but it is to be understood that the scope of embodiments of the invention is not limited.On the contrary, the present invention
Embodiment includes all changes, modification and the equivalent fallen within the scope of the spirit and intension of attached claims.
Control method and the control of the frequency-variable air conditioner outdoor machine proposed according to embodiments of the present invention are described with reference to the accompanying drawings
Device, and the convertible frequency air-conditioner with the control device.
The control method of the frequency-variable air conditioner outdoor machine of the embodiment of the present invention is illustrated first.Fig. 1 is according to the present invention
One embodiment frequency-variable air conditioner outdoor machine control method flow chart.As shown in Figure 1, the frequency conversion of the embodiment of the present invention is empty
The control method of outdoor unit is adjusted to include the following steps：
S1 detects the environmental noise of frequency-variable air conditioner outdoor machine before frequency-variable air conditioner outdoor machine operation.
For example, noise detection device is arranged on frequency-variable air conditioner outdoor machine, environment can be detected by noise detection device
Noise.
S2 detects the operation noise of frequency-variable air conditioner outdoor machine when frequency-variable air conditioner outdoor machine is run in real time.
Frequency-variable air conditioner outdoor machine at runtime, will produce certain noise, if noise is abnormal, frequency-variable air conditioner outdoor machine is very
Possible operation exception, so by detecting operation noise when frequency-variable air conditioner outdoor machine operation, and then can be according to operation noise
The operating condition for judging frequency-variable air conditioner outdoor machine imposes corresponding measure to frequency-variable air conditioner outdoor machine and protects.
S3 is more than environmental noise in the operation noise of frequency-variable air conditioner outdoor machine or is more than frequency-variable air conditioner outdoor machine normal operation
When generate noise when, frequency-variable air conditioner outdoor machine is controlled according to the operation noise of frequency-variable air conditioner outdoor machine.
Specifically, more than environmental noise or normal more than frequency-variable air conditioner outdoor machine in the operation noise of frequency-variable air conditioner outdoor machine
When the noise generated when operation, for example, the decibel value for the external environment noise that frequency-variable air conditioner outdoor machine operation acquires before is N1,
The decibel value for the operation noise that frequency-variable air conditioner outdoor machine generates when running is N2, if the frequency-variable air conditioner outdoor machine detected in real time
The decibel value N3 of noise is run, continues preset time and meets N3>N1 or N3>N2, then noise protection control function startup, in turn
Frequency-variable air conditioner outdoor machine is carried out outside protection control, such as control convertible frequency air-conditioner room according to the operation noise of frequency-variable air conditioner outdoor machine
The rotating speed or control frequency-variable air conditioner outdoor machine of machine load are out of service.
Below by various embodiments to according to the operation noise of frequency-variable air conditioner outdoor machine to frequency-variable air conditioner outdoor machine into
Row control is described in detail.
In one embodiment of the invention, if the operation noise of frequency-variable air conditioner outdoor machine is all higher than in preset time
Or be equal to the first noise threshold, then it is out of service to control frequency-variable air conditioner outdoor machine.In practical application, such as noise detection device will
The decibel value of the operation noise of the frequency-variable air conditioner outdoor machine detected is sent to controller such as Master control chip MCU, such as MCU
In interior control program, arrange parameter value such as KTStopNoice corresponds to corresponding noise decibel value i.e. the first noise threshold example
Such as 90 decibels, in addition preset time parameter such as Time is set, the wherein value range of Time can be 3-5 minutes.If become
The operation noise of frequency air-conditioner outdoor unit continues to be all higher than in the Time times or is equal to KTStopNoice values, such as is examined in 4 minutes
The operation noise of the frequency-variable air conditioner outdoor machine of survey then judges frequency-variable air conditioner outdoor machine failure, needs particular up to 90 decibels
It repairs, then it is out of service to control frequency-variable air conditioner outdoor machine, and sends failure code to indoor unit, prompts noise abnormal, needs
Want inspection declaration maintenance process.
Further, in another embodiment of the present invention, if in preset time the frequency-variable air conditioner outdoor machine
Operation noise be respectively less than first noise threshold and be greater than or equal to the second noise threshold, then control frequency-variable air conditioner outdoor machine
Load reduction rotating speed, wherein the second noise threshold be less than the first noise threshold.It in practical applications, can be in the control of MCU
Be arranged in the parameter list of program two parameters i.e. the first noise threshold and the second noise threshold such as KTStopNoice and
KTLimitNoice corresponds to the operation level of noise and preset time parameter Time of corresponding frequency-variable air conditioner outdoor machine.Work as frequency conversion
The operation noise of air-conditioner outdoor unit continues that KTStopNoice values are all higher than or be equal in the Time times, then controls convertible frequency air-conditioner room
Outer machine is out of service, and sends failure code to indoor unit, prompts noise abnormal, needs inspection declaration maintenance process.Further, when
The operation noise of frequency-variable air conditioner outdoor machine continues to be all higher than or be equal to KTLimitNoice in the Time times and be less than
When KTStopNoice, then the load reduction of speed for controlling frequency-variable air conditioner outdoor machine for example controls under the speed of service of compressor, wind turbine
It adjusts, to reduce the operation noise of frequency-variable air conditioner outdoor machine complete machine.For example, the frequency-variable air conditioner outdoor machine detected in 4 minutes
Run noise particular up to 90 decibels, then control frequency-variable air conditioner outdoor machine stopping, or in 4 minutes run noise be all higher than or
Compressor is then controlled equal to 70 decibels and less than 90 decibels and wind turbine carries out fall-back.
Further, if in preset time the operation noise of frequency-variable air conditioner outdoor machine be respectively less than the second noise threshold and
More than or equal to third noise threshold, then the rotating speed for controlling the load of frequency-variable air conditioner outdoor machine maintains current rotating speed, wherein the
Three noise thresholds are less than the second noise threshold.In practical applications, three can be arranged in the parameter list of the control program of MCU
Parameter i.e. the first noise threshold, the second noise threshold and third noise threshold, for example, KTHoldNoice, KTStopNoice and
KTLimitNoice corresponds to the operation level of noise and preset time parameter Time of corresponding frequency-variable air conditioner outdoor machine.
Wherein, when the operation noise decibel value of frequency-variable air conditioner outdoor machine continues to be all higher than or be equal in the Time times
KTHoldNoice and less than KTLimitNoice when, control the running frequency of the compressor of frequency-variable air conditioner outdoor machine, the rotation of wind turbine
Rotary speed maintains current rotating speed to keep to rise.When the operation noise decibel value of frequency-variable air conditioner outdoor machine continues the Time times
It is inside all higher than or equal to KTLimitNoice and when being less than KTStopNoice, controls the compressor of frequency-variable air conditioner outdoor machine
Running frequency, the rotary speed of wind turbine carry out downward processing, to reduce the noise of complete machine.Further, when convertible frequency air-conditioner room
When the operation noise decibel value of outer machine continues to be all higher than in the Time times or be equal to KTStopNoice, convertible frequency air-conditioner room is controlled
Outer machine is out of service, and sends failure code to indoor unit, prompts noise abnormal, needs inspection declaration maintenance process.
For example, when the operation noise decibel value of frequency-variable air conditioner outdoor machine enters and reaches 60 decibels, convertible frequency air-conditioner room is controlled
The running frequency of the compressor of outer machine, the holding of the rotary speed of wind turbine cannot rise.Reach 70 when operation noise decibel value enters
When decibel, the running frequency of the compressor of frequency-variable air conditioner outdoor machine is controlled, the rotary speed of wind turbine carries out downward processing.Work as operation
For noise decibel value into when reaching 90 decibels, control frequency-variable air conditioner outdoor machine is out of service.
Further, if in preset time the operation noise of frequency-variable air conditioner outdoor machine be respectively less than third noise threshold and
More than or equal to the 4th noise threshold, then the rotating speed for controlling the load of frequency-variable air conditioner outdoor machine gradually rises, wherein the 4th noise
Threshold value is less than third noise threshold.In practical applications, three parameters can be arranged in the parameter list of the control program of MCU is
First noise threshold, the second noise threshold, third noise threshold and the 4th noise threshold, such as KTSlowUpNoice,
KTHoldNoice, KTStopNoice and KTLimitNoice correspond to the operation level of noise of corresponding frequency-variable air conditioner outdoor machine, with
And preset time parameter Time.
Wherein, if Fig. 2 is the control according to the control method of the frequency-variable air conditioner outdoor machine of the specific embodiment of the present invention
Interval diagram processed.As shown in Fig. 2, continue to be all higher than in the Time times when the operation noise decibel value of frequency-variable air conditioner outdoor machine or
When person is equal to KTSlowUpNoice and is less than KTHoldNoice, the rotating speed for controlling the load of frequency-variable air conditioner outdoor machine is gradually slow
Rise, such as the running frequency of control compressor, the rotary speed of wind turbine enter an elevated areas at a slow speed.Work as convertible frequency air-conditioner
When the operation noise decibel value of outdoor unit continues to be all higher than in the Time times or be equal to KTHoldNoice values, outdoor unit compression
The running frequency of machine, the holding of the rotary speed of wind turbine cannot rise, as shown in Fig. 2, into holding area.When outside convertible frequency air-conditioner room
The operation noise decibel value of machine continues to be all higher than in the Time times or equal to KTLimitNoice and less than KTStopNoice
When, control the running frequency of the compressor of frequency-variable air conditioner outdoor machine, the rotary speed of wind turbine carries out downward processing, i.e., such as Fig. 2 institutes
Show into region is lowered, to reduce the noise of complete machine.When the operation noise decibel value of frequency-variable air conditioner outdoor machine continues Time
In be all higher than or equal to KTStopNoice values when, control frequency-variable air conditioner outdoor machine it is out of service, i.e., as shown in Figure 2 entrance
Region is shut down, and failure code is sent to indoor unit, prompts noise abnormal, it should inspection declaration maintenance process.
For example, when the operation noise decibel value of frequency-variable air conditioner outdoor machine enters and reaches 50 decibels, convertible frequency air-conditioner room is controlled
Running frequency, the rotary speed of wind turbine of the compressor of outer machine enter elevated areas at a slow speed.When operation noise decibel value enters
When reaching 60 decibels, the running frequency of the compressor of frequency-variable air conditioner outdoor machine is controlled, the holding of the rotary speed of wind turbine cannot rise.
When run noise decibel value enter reach 70 decibels when, control the running frequency of the compressor of frequency-variable air conditioner outdoor machine, wind turbine
Rotary speed carries out downward processing.When running noise decibel value into when reaching 90 decibels, control frequency-variable air conditioner outdoor machine stops
Operation.
In conclusion the control method of frequency-variable air conditioner outdoor machine according to the ... of the embodiment of the present invention, by detecting frequency conversion in real time
The operation noise of air-conditioner outdoor unit, and be more than environmental noise in the operation noise of frequency-variable air conditioner outdoor machine or be more than convertible frequency air-conditioner room
When the noise generated when outer machine normal operation, starting protection control function, and then according to the operation noise of frequency-variable air conditioner outdoor machine
Frequency-variable air conditioner outdoor machine is controlled, can carry out effectively monitoring protection in frequency-variable air conditioner outdoor machine noise exception, it is real
When adjust the load of each component, improve the reliability and stability of frequency-variable air conditioner outdoor machine, reduce because of frequency-variable air conditioner outdoor machine
The influence that operation noise lives to user.
The control device of the frequency-variable air conditioner outdoor machine of another aspect of the present invention embodiment will be illustrated below.
Fig. 3 is to be illustrated according to the installation of the control device of the frequency-variable air conditioner outdoor machine of the specific embodiment of the present invention
Figure.The control device 100 of frequency-variable air conditioner outdoor machine can be set on frequency-variable air conditioner outdoor machine, and control device 100 passes through connection
Line group is electricly connected with frequency-variable air conditioner outdoor machine, forms Data Detection side, transmission and control process.
Fig. 4 is the schematic diagram according to the control device of the frequency-variable air conditioner outdoor machine of one embodiment of the present of invention.Such as Fig. 4 institutes
Show, the control device 100 of the frequency-variable air conditioner outdoor machine of the embodiment of the present invention includes noise monitor 10 and controller 20.
Wherein, noise monitor 10 is used to before frequency-variable air conditioner outdoor machine operation detect the environment of frequency-variable air conditioner outdoor machine
Noise, and the operation noise of frequency-variable air conditioner outdoor machine is detected when frequency-variable air conditioner outdoor machine is run in real time.Outside convertible frequency air-conditioner room
Machine at runtime, will produce certain noise, if noise is abnormal, frequency-variable air conditioner outdoor machine is likely to operation exception, so logical
Operation noise when noise monitor 10 detects frequency-variable air conditioner outdoor machine operation is crossed, and then can judge frequency conversion according to operation noise
The operating condition of air-conditioner outdoor unit imposes corresponding measure to frequency-variable air conditioner outdoor machine and protects.
Controller 20 is more than environmental noise in the operation noise of frequency-variable air conditioner outdoor machine or is more than frequency-variable air conditioner outdoor machine just
When the noise often generated when operation, frequency-variable air conditioner outdoor machine is controlled according to the operation noise of frequency-variable air conditioner outdoor machine.Example
Such as, before frequency-variable air conditioner outdoor machine operation, the decibel value for the external environment noise that noise monitor 10 acquires is N1, convertible frequency air-conditioner
The decibel value for the operation noise that outdoor unit generates when running is N2, and after frequency-variable air conditioner outdoor machine operation, noise monitor 20 is real
When detect frequency-variable air conditioner outdoor machine operation noise decibel value N3, if continue preset time meet N3>N1 or N3>
N2, then noise protection control function startup, and then controller 20 are according to the operation noise of frequency-variable air conditioner outdoor machine to convertible frequency air-conditioner
Outdoor unit carries out protection control, such as controls rotating speed or the control frequency-variable air conditioner outdoor machine stopping of the load of frequency-variable air conditioner outdoor machine
Operation.
Specifically, it is illustrated in figure 4 the control device of frequency-variable air conditioner outdoor machine according to an embodiment of the invention
Circuit diagram, as shown in figure 4, noise monitor 10 can specifically include noise measuring circuit 101, amplifying circuit 102, peak value
Detection circuit 103, pressure/frequency converter circuit 104 and output circuit 105.
Wherein, noise measuring circuit 101 includes noise gathering device M1 and first resistor R1.Noise gathering device M1 such as electrets
One end of body microphone is grounded, and one end of first resistor R1 is connect with the first default power supply such as 12V, the other end of first resistor R1
It is connect with the other end of noise gathering device M1, has the between the other end and the other end of noise gathering device M1 of first resistor R1
One node O1.Noise measuring circuit 101 acquires the fortune of environmental noise signal and frequency-variable air conditioner outdoor machine by noise gathering device M1
Row noise signal, and noise signal is converted into sampled value such as voltage value or current value.
The input terminal of amplifying circuit 102 is connect by the first capacitance C1 with first node O1, and amplifying circuit 102 is by acquisition
The operation noise signal of frequency-variable air conditioner outdoor machine is amplified, wherein the first capacitance C1 can play the role of filtering.
Peak detection circuit 103 includes diode D1, third capacitance C3 and second resistance R2, and one end of diode D1 passes through
Second capacitance C2 is connect with the output end of amplifying circuit 102；One end of third capacitance C3 is grounded, the other end of third capacitance C3 with
The other end of diode D1 connects, one end ground connection of second resistance R2, and the other end of second resistance R2 is another with diode D2's
End connection.Wherein, diode D1 is as detecting element, useful in order to obtain for taking out low-frequency voltage signal from amplitude-modulated wave
Low-frequency voltage signal, it is also necessary to high fdrequency component is filtered out by filter, third capacitance C3 and second resistance R2 form low pass filtered
Wave device, to 103 output low frequency voltage signal of peak detection circuit.
The input terminal of pressure/frequency converter circuit 104 is connect with the other end of diode D1, and then can be converted by pressure/frequency
The low-frequency voltage signal that peak detection circuit 103 exports is converted to frequency signal by circuit 104.
Output circuit 105 includes triode Q1, the 4th resistance R4 and the 5th resistance R5.Wherein, the base stage b of triode Q1 is logical
It crosses 3rd resistor R3 to connect with the output end of pressure/frequency converter circuit 104, there is the second section between triode Q1 and 3rd resistor R3
The emitter E of point O2, triode Q1 are grounded；The collector C of triode Q1 is connect with controller 20；A termination of 4th resistance R4
The other end on ground, the 4th resistance R4 is connect with second node O2；One end of 5th resistance R5 connects with the second default power supply such as 5V
Connect, the other end of the 5th resistance R5 is connect with the collector C of triode Q1, the collector C of the 5th resistance R5 and triode Q1 it
Between have third node, connect with controller 20 by third node, so controller 20 according to frequency-variable air conditioner outdoor machine
The corresponding output signal of operation noise controls frequency-variable air conditioner outdoor machine.
Below by various embodiments to controller 20 according to the operation noise of frequency-variable air conditioner outdoor machine to convertible frequency air-conditioner
Outdoor unit carries out control and is described in detail.
In one embodiment of the invention, controller 20 is by the operation noise of frequency-variable air conditioner outdoor machine and preset noise
Threshold value is compared, and the operation noise of frequency-variable air conditioner outdoor machine is all higher than or is equal to the first noise threshold in preset time, then
It is out of service that controller 20 controls frequency-variable air conditioner outdoor machine.In practical application, such as frequency conversion that noise monitor 10 will detect
The decibel value of the operation noise of air-conditioner outdoor unit is exported to such as MCU of controller 20, it should be noted that the control in MCU
In program, arrange parameter value such as KTStopNoice corresponds to such as 90 decibels of corresponding noise decibel value i.e. the first noise threshold,
In addition preset time parameter such as Time is set, the wherein value range of Time can be 3-5 minutes.If outside convertible frequency air-conditioner room
The operation noise of machine continues that KTStopNoice values, such as the noise monitor 10 in 4 minutes are all higher than or be equal in the Time times
The operation noise of the frequency-variable air conditioner outdoor machine of detection is particular up to 90 decibels, then controller 20 judges frequency-variable air conditioner outdoor machine
Failure, needs to repair, then it is out of service to control frequency-variable air conditioner outdoor machine, and sends failure code to indoor unit, and prompt is made an uproar
Sound is abnormal, needs inspection declaration maintenance process.
Further, in another embodiment of the present invention, the operation of frequency-variable air conditioner outdoor machine is made an uproar in preset time
Sound is respectively less than the first noise threshold and is greater than or equal to the second noise threshold, then controller 20 controls the negative of frequency-variable air conditioner outdoor machine
Carrying reduces rotating speed, wherein the second noise threshold is less than the first noise threshold.It in practical applications, can be in the control program of MCU
Parameter list in setting two parameters i.e. the first noise threshold and the second noise threshold such as KTStopNoice and
KTLimitNoice corresponds to the operation level of noise and preset time parameter Time of corresponding frequency-variable air conditioner outdoor machine.Work as frequency conversion
The operation noise of air-conditioner outdoor unit continues to be all higher than in the Time times or is equal to KTStopNoice values, then the control of controller 20 becomes
Frequency air-conditioner outdoor unit is out of service, and sends failure code to indoor unit, prompts noise abnormal, needs inspection declaration maintenance process.Into
One step, when the operation noise of frequency-variable air conditioner outdoor machine continues to be all higher than or be equal to KTLimitNoice in the Time times and is less than
When KTStopNoice, then the load reduction of speed of the control of controller 20 frequency-variable air conditioner outdoor machine for example controls the operation of compressor, wind turbine
Speed is lowered, to reduce the operation noise of frequency-variable air conditioner outdoor machine complete machine.For example, noise monitor 10 detects in 4 minutes
Frequency-variable air conditioner outdoor machine operation noise particular up to 90 decibels, then controller 20 control frequency-variable air conditioner outdoor machine stop, or
Person run in 4 minutes noise be all higher than or equal to 70 decibels and less than 90 decibels then controller 20 control compressor and wind turbine into
Row fall-back.
Further, if in preset time the operation noise of frequency-variable air conditioner outdoor machine be respectively less than the second noise threshold and
More than or equal to third noise threshold, then the rotating speed of the load of the control of controller 20 frequency-variable air conditioner outdoor machine, which maintains, works as forward
Speed, wherein third noise threshold is less than the second noise threshold.It in practical applications, can be in the parameter list of the control program of MCU
In setting three parameters i.e. the first noise threshold, the second noise threshold and third noise threshold, such as KTHoldNoice,
KTStopNoice and KTLimitNoice corresponds to the operation level of noise and preset time ginseng of corresponding frequency-variable air conditioner outdoor machine
Number Time.
Wherein, when the operation noise decibel value of frequency-variable air conditioner outdoor machine continues to be all higher than or be equal in the Time times
KTHoldNoice and less than KTLimitNoice when, controller 20 control frequency-variable air conditioner outdoor machine compressor running frequency,
The rotary speed of wind turbine maintains current rotating speed to keep to rise.When the operation noise decibel value of frequency-variable air conditioner outdoor machine continues
It is all higher than in the Time times or equal to KTLimitNoice and when being less than KTStopNoice, controller 20 controls convertible frequency air-conditioner
The running frequency of the compressor of outdoor unit, the rotary speed of wind turbine carry out downward processing, to reduce the noise of complete machine.Further
Ground, when the operation noise decibel value of frequency-variable air conditioner outdoor machine continues to be all higher than in the Time times or be equal to KTStopNoice,
The control frequency-variable air conditioner outdoor machine of controller 20 is out of service, and sends failure code to indoor unit, prompts noise abnormal, needs to report
Checking maintenance processing.
For example, when the operation noise decibel value of frequency-variable air conditioner outdoor machine enters and reaches 60 decibels, the control of controller 20 becomes
The running frequency of the compressor of frequency air-conditioner outdoor unit, the holding of the rotary speed of wind turbine cannot rise.When operation noise decibel value into
When entering to reach 70 decibels, controller 20 control the running frequency of compressor of frequency-variable air conditioner outdoor machine, the rotary speed of wind turbine into
Row downward is handled.When running noise decibel value into when reaching 90 decibels, controller 20 controls frequency-variable air conditioner outdoor machine and stops fortune
Row.
Further, if in preset time the operation noise of frequency-variable air conditioner outdoor machine be respectively less than third noise threshold and
More than or equal to the 4th noise threshold, then controller 20 controls the rotating speed of the load of frequency-variable air conditioner outdoor machine and gradually rises, wherein
4th noise threshold is less than third noise threshold.In practical applications, three can be arranged in the parameter list of the control program of MCU
A parameter i.e. the first noise threshold, the second noise threshold, third noise threshold and the 4th noise threshold, such as
KTSlowUpNoice, KTHoldNoice, KTStopNoice and KTLimitNoice correspond to corresponding frequency-variable air conditioner outdoor machine
Run level of noise and preset time parameter Time.
Wherein, if Fig. 2 is the control according to the control method of the frequency-variable air conditioner outdoor machine of the specific embodiment of the present invention
Interval diagram processed.As shown in Fig. 2, continue to be all higher than in the Time times when the operation noise decibel value of frequency-variable air conditioner outdoor machine or
When person is equal to KTSlowUpNoice and is less than KTHoldNoice, controller 20 controls the rotating speed of the load of frequency-variable air conditioner outdoor machine
Gradually slowly rise, such as the running frequency of control compressor, the rotary speed of wind turbine enter elevated areas at a slow speed.Work as frequency conversion
When the operation noise decibel value of air-conditioner outdoor unit continues to be all higher than in the Time times or be equal to KTHoldNoice values, controller
The running frequency of 20 control compressor of outdoor unit, the holding of the rotary speed of wind turbine cannot rise, and enter holding area as shown in Figure 2
Domain.When the operation noise decibel value of frequency-variable air conditioner outdoor machine continue to be all higher than in the Time times or equal to KTLimitNoice and
When less than KTStopNoice, controller 20 controls running frequency, the rotary speed of wind turbine of the compressor of frequency-variable air conditioner outdoor machine
Downward processing is carried out, i.e., enters as shown in Figure 2 and lowers region, to reduce the noise of complete machine.When the fortune of frequency-variable air conditioner outdoor machine
When Row noise decibel value continues to be all higher than in the Time times or be equal to KTStopNoice values, controller 20 controls convertible frequency air-conditioner
Outdoor unit is out of service, i.e., enters as shown in Figure 2 and shut down region, and send failure code to indoor unit, prompt noise abnormal, answer
The inspection declaration maintenance process.
For example, when the operation noise decibel value of frequency-variable air conditioner outdoor machine enters and reaches 50 decibels, the control of controller 20 becomes
Running frequency, the rotary speed of wind turbine of the compressor of frequency air-conditioner outdoor unit enter elevated areas at a slow speed.When operation noise point
For shellfish value into when reaching 60 decibels, controller 20 controls the rotation of the running frequency, wind turbine of the compressor of frequency-variable air conditioner outdoor machine
Speed holding cannot rise.When running noise decibel value into when reaching 70 decibels, controller 20 controls frequency-variable air conditioner outdoor machine
Running frequency, the rotary speed of wind turbine of compressor carry out downward processing.Reach 90 decibels when operation noise decibel value enters
When, it is out of service that controller 20 controls frequency-variable air conditioner outdoor machine.
The control device of frequency-variable air conditioner outdoor machine according to the ... of the embodiment of the present invention detects frequency conversion in real time by noise monitor
The operation noise of air-conditioner outdoor unit, and be more than environmental noise in the operation noise of frequency-variable air conditioner outdoor machine or be more than convertible frequency air-conditioner room
When the noise generated when outer machine normal operation, starting protection control function, and then controller is according to the fortune of frequency-variable air conditioner outdoor machine
Row noise controls frequency-variable air conditioner outdoor machine, can carry out effectively monitoring in frequency-variable air conditioner outdoor machine noise exception and protect
Shield, adjusts the load of each component in real time, improves the reliability and stability of frequency-variable air conditioner outdoor machine, reduces outside because of convertible frequency air-conditioner room
The influence that the operation noise of machine lives to user.
A kind of convertible frequency air-conditioner that embodiment proposes in accordance with a further aspect of the present invention is described with reference to the accompanying drawings.
Fig. 5 is the block diagram according to the convertible frequency air-conditioner of one embodiment of the present of invention.As shown in figure 5, the embodiment of the present invention
Convertible frequency air-conditioner 200 includes the control device 100 of the frequency-variable air conditioner outdoor machine of above-described embodiment.
The convertible frequency air-conditioner of the embodiment of the present invention, by the control device of frequency-variable air conditioner outdoor machine to the operation noise of outdoor unit
Detection and corresponding protection control, operation is relatively reliable, stablizes.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable
Sequence, include according to involved function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (system of such as computer based system including processor or other can be held from instruction
The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicating, propagating or passing
Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment
It sets.The more specific example (non-exhaustive list) of computer-readable medium includes following：Electricity with one or more wiring
Interconnecting piece (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable
Medium, because can be for example by carrying out optical scanner to paper or other media, then into edlin, interpretation or when necessary with it
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of the present invention can be realized with hardware, software, firmware or combination thereof.Above-mentioned
In embodiment, software that multiple steps or method can in memory and by suitable instruction execution system be executed with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit application-specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that realize all or part of step that above-described embodiment method carries
Suddenly it is that relevant hardware can be instructed to complete by program, the program can be stored in a kind of computer-readable storage medium
In matter, which includes the steps that one or a combination set of embodiment of the method when being executed.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, it can also
That each unit physically exists alone, can also two or more units be integrated in a module.Above-mentioned integrated mould
The form that hardware had both may be used in block is realized, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized in the form of software function module and when sold or used as an independent product, can also be stored in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiments or example in can be combined in any suitable manner.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is by appended claims and its equivalent limits.
Claims (4)
1. a kind of control device of frequency-variable air conditioner outdoor machine, which is characterized in that including：
Noise monitor, the environmental noise for detecting the frequency-variable air conditioner outdoor machine before frequency-variable air conditioner outdoor machine is run,
And detect the operation noise of the frequency-variable air conditioner outdoor machine in real time when the frequency-variable air conditioner outdoor machine is run；
Controller, the controller are more than the environmental noise in the operation noise of the frequency-variable air conditioner outdoor machine or are more than described
When the noise generated when frequency-variable air conditioner outdoor machine normal operation, according to the operation noise of the frequency-variable air conditioner outdoor machine to the change
Frequency air-conditioner outdoor unit is controlled；
Wherein, the noise monitor specifically includes：
Noise measuring circuit, the noise measuring circuit include：
Noise gathering device, one end ground connection of the noise gathering device；
First resistor, one end of the first resistor are connect with the first default power supply, the other end of the first resistor with it is described
The other end of noise gathering device connects, and has the between the other end of the first resistor and the other end of the noise gathering device
One node；
The input terminal of amplifying circuit, the amplifying circuit is connect by the first capacitance with the first node；
Peak detection circuit, the peak detection circuit include：
One end of diode, the diode is connect by the second capacitance with the output end of the amplifying circuit；
Third capacitance and second resistance, one end ground connection of the third capacitance, the other end of the third capacitance and two pole
The other end of pipe connects, one end ground connection of the second resistance, and the other end of the second resistance is another with the diode
End connection；
The input terminal of pressure/frequency converter circuit, the pressure/frequency converter circuit is connect with the other end of the diode；
Output circuit, the output circuit include：
The base stage of triode, the triode is connect by 3rd resistor with the output end of the pressure/frequency converter circuit, and described three
There is second node, the emitter of the triode to be grounded between pole pipe and the 3rd resistor；The collector of the triode
It is connect with the controller；
4th resistance, one end ground connection of the 4th resistance, the other end of the 4th resistance are connect with the second node；
One end of 5th resistance, the 5th resistance is connect with the second default power supply, the other end of the 5th resistance with it is described
The collector of triode connects, and has third node between the 5th resistance and the collector of the triode, by described
Third node is connect with the controller.
2. the control device of frequency-variable air conditioner outdoor machine as described in claim 1, which is characterized in that the controller is additionally operable to
When the operation noise of the frequency-variable air conditioner outdoor machine is all higher than or is equal to the first noise threshold in preset time, the frequency conversion is controlled
Air-conditioner outdoor unit is out of service, and the operation noise of the frequency-variable air conditioner outdoor machine is respectively less than described in the preset time
First noise threshold and more than or equal to the second noise threshold when, control the load reduction rotating speed of the frequency-variable air conditioner outdoor machine,
Wherein, second noise threshold is less than first noise threshold.
3. the control device of frequency-variable air conditioner outdoor machine as claimed in claim 2, which is characterized in that the controller is additionally operable to
The operation noise of the frequency-variable air conditioner outdoor machine is respectively less than second noise threshold and is greater than or equal in the preset time
When third noise threshold, the rotating speed for controlling the load of the frequency-variable air conditioner outdoor machine maintains current rotating speed, and described pre-
If the operation noise of the frequency-variable air conditioner outdoor machine is respectively less than the third noise threshold and makes an uproar more than or equal to the 4th in the time
When sound threshold value, the rotating speed for controlling the load of the frequency-variable air conditioner outdoor machine gradually rises, wherein the third noise threshold is less than
Second noise threshold, the 4th noise threshold are less than the third noise threshold.
4. a kind of convertible frequency air-conditioner, which is characterized in that include the control of frequency-variable air conditioner outdoor machine as described in any one of claims 1-3
Device processed.
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| CN107688305A (en) * | 2016-08-04 | 2018-02-13 | 九阳股份有限公司 | A kind of cooking machine and its method of work |
| CN106288182B (en) * | 2016-08-15 | 2019-05-24 | 珠海格力电器股份有限公司 | A kind of compressor monitoring method, device and air-conditioning |
| CN106642574B (en) * | 2016-12-22 | 2019-10-29 | 芜湖美智空调设备有限公司 | Active denoising method and active noise reducing device, the air conditioner of air conditioner |
| CN107608240A (en) * | 2017-08-29 | 2018-01-19 | 苏州麦喆思科电子有限公司 | A kind of method for eliminating night construction noise |
| CN108592322A (en) * | 2018-03-20 | 2018-09-28 | 珠海格力电器股份有限公司 | Control method and device, the system of outer machine noise |
| CN108800476B (en) * | 2018-06-20 | 2021-06-18 | 广东美的制冷设备有限公司 | Detection device for environmental noise and control method, device and system for air conditioner |
| CN109237623B (en) * | 2018-09-27 | 2019-10-29 | 珠海格力电器股份有限公司 | The noise control method of air conditioner indoor unit, air-conditioner set and air conditioner indoor unit |
| CN109615736B (en) * | 2018-11-27 | 2020-09-01 | 珠海格力电器股份有限公司 | Intelligent door lock |
| CN110173865B (en) * | 2019-04-19 | 2021-05-25 | 青岛海尔空调器有限总公司 | Method and device for controlling fan of air conditioner outdoor unit and computer storage medium |
| CN110220279A (en) * | 2019-05-13 | 2019-09-10 | 青岛海尔空调电子有限公司 | The control method of air-conditioner outdoor unit |
| CN111023503B (en) * | 2019-12-19 | 2021-07-06 | 四川长虹空调有限公司 | Air conditioner noise control method |
| CN112413689A (en) * | 2020-12-08 | 2021-02-26 | 珠海格力电器股份有限公司 | Control method and device of refrigeration integrated cooker, processor and refrigeration integrated cooker system |
| CN114413440B (en) * | 2022-01-04 | 2023-07-04 | 宁波奥克斯电气股份有限公司 | Air conditioner control method, air conditioner and storage medium |
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