CN108134556A - The adjusting method and device of motor operation frequency - Google Patents
The adjusting method and device of motor operation frequency Download PDFInfo
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- CN108134556A CN108134556A CN201711322183.9A CN201711322183A CN108134556A CN 108134556 A CN108134556 A CN 108134556A CN 201711322183 A CN201711322183 A CN 201711322183A CN 108134556 A CN108134556 A CN 108134556A
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- motor
- input voltage
- acceleration
- operation frequency
- vibration acceleration
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/04—Arrangements or methods for the control of AC motors characterised by a control method other than vector control specially adapted for damping motor oscillations, e.g. for reducing hunting
Abstract
The present invention provides a kind of adjusting methods and device of motor operation frequency.The adjusting method of wherein motor operation frequency includes：Utilize the vibration acceleration of acceleration transducer detection motor set inside motor；Judge whether the vibration acceleration of motor is more than predetermined acceleration；And if so, the input voltage of adjustment motor, is not equal to the intrinsic frequency of motor so as to the running frequency of regulation motor.The solution of the present invention it is possible to prevente effectively from covibration occurs, reduces the complete machine oscillation and noise of motor, promotes the usage experience of user, and entire detection and adjusting process are automatically performed, significantly reduce the complete machine oscillation of motor, effectively extend the service life of motor.
Description
Technical field
The present invention relates to technical field of motors, more particularly to a kind of adjusting method and device of motor operation frequency.
Background technology
As social development and people’s lives level are continuously improved, air conditioner has become in people's daily life not
One of electrical equipment that can or lack.Air conditioner can be when environment temperature be too high or too low, and people is helped, which to reach one, to fit
The temperature answered.
The wind turbine of air conditioner can realize ventilation, and heat dissipation can be played when air conditioner is freezed and is made
With.And an important component of the motor as wind turbine, blower fan work can be driven.The motor of air conditioner was being run at present
Often there is running frequency and is equal to intrinsic frequency, the problem of resonance in Cheng Zhong.Resonance can increase the vibration of complete machine, generate
Extraordinary noise, can not only influence the usage experience of user, be also possible to will appear electrical fault when serious, and influence motor uses the longevity
Life.
Invention content
It is an object of the invention to which the running frequency of motor is made to avoid its intrinsic frequency, covibration is avoided.
The present invention one extends the service life of motor further objective is that reduce the complete machine oscillation of motor.
Particularly, the present invention provides a kind of adjusting method of motor operation frequency, including：Utilize what is set inside motor
Acceleration transducer detects the vibration acceleration of motor；Judge whether the vibration acceleration of motor is more than predetermined acceleration；And
If so, the input voltage of adjustment motor, is not equal to the intrinsic frequency of motor so as to the running frequency of regulation motor.
Optionally, it is further included after the step of input voltage for adjusting motor：The vibration acceleration of motor is detected again,
And when the vibration acceleration of motor is still greater than predetermined acceleration, the input voltage of motor is adjusted again.
Optionally, the step of input voltage for adjusting motor, includes：Predeterminated voltage is raised and lowered in input voltage, makes electricity
The rotating speed of machine changes.
Optionally, when input voltage being increased predeterminated voltage, the rotating speed of motor is per minute to increase default revolution；It will input electricity
During the low predeterminated voltage of pressure drop, the rotating speed of motor is per minute to reduce default revolution.
Optionally, the undulating value that input voltage is raised and lowered is less than or equal to default undulating value.
Optionally, predeterminated voltage 0.02V, it is 10 turns to preset revolution, and it is 0.06V to preset undulating value.
According to another aspect of the present invention, a kind of regulating device of motor operation frequency is additionally provided, including：Detect mould
Block is configured with the vibration acceleration of the acceleration transducer set inside motor detection motor；Judgment module is configured to sentence
Whether the vibration acceleration of power machine is more than predetermined acceleration；And adjustment module, the vibration acceleration being configured in motor are big
When predetermined acceleration, the input voltage of motor is adjusted, is not equal to the intrinsic frequency of motor so as to the running frequency of regulation motor.
Optionally, detection module is configured to：Motor is detected again after the step of input voltage for adjusting motor
Vibration acceleration；Adjustment module is configured to：When the vibration acceleration of motor is still greater than predetermined acceleration, motor is adjusted again
Input voltage.
Optionally, adjustment module is configured to：Predeterminated voltage is raised and lowered in input voltage, changes the rotating speed of motor
Become.
Optionally, adjustment module includes：Raising adjusts submodule, when being configured to input voltage increasing predeterminated voltage, electricity
The rotating speed of machine is per minute to increase default revolution；And reduce and adjust submodule, when being configured to input voltage reducing predeterminated voltage,
The rotating speed of motor is per minute to reduce default revolution.
The adjusting method and device of the motor operation frequency of the present invention are examined using the acceleration transducer set inside motor
The vibration acceleration of measured motor；Judge whether the vibration acceleration of motor is more than predetermined acceleration；And in result when being, to pass through
The input voltage of motor is adjusted, is not equal to the intrinsic frequency of motor so as to the running frequency of regulation motor, it is possible to prevente effectively from altogether
It shakes phenomenon, reduces the complete machine oscillation and noise of motor, promote the usage experience of user.
Further, the adjusting method and device of motor operation frequency of the invention is adjusting the input voltage of motor
It is further included after step：Again detect motor vibration acceleration, and motor vibration acceleration still greater than predetermined acceleration
When, the input voltage of motor is adjusted again, may further ensure that the running frequency of motor avoids its intrinsic frequency, and can lead to
It crosses and predeterminated voltage is raised and lowered in input voltage, change the rotating speed of motor, and then the running frequency of regulation motor, it is entire to examine
It surveys and adjusts process to be automatically performed, significantly reduce the complete machine oscillation of motor, effectively extend the service life of motor.
According to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Description of the drawings
Some specific embodiments of detailed description of the present invention by way of example rather than limitation with reference to the accompanying drawings hereinafter.
Identical reference numeral denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing：
Fig. 1 is the schematic diagram of the adjusting method of motor operation frequency according to an embodiment of the invention；
Fig. 2 is the detail flowchart of the adjusting method of motor operation frequency according to an embodiment of the invention；
Fig. 3 is the structure diagram of the regulating device of motor operation frequency according to an embodiment of the invention；And
Fig. 4 is the structure diagram of the regulating device of motor operation frequency in accordance with another embodiment of the present invention.
Specific embodiment
The present embodiment provides firstly a kind of adjusting method of motor operation frequency, can be with the running frequency of regulation motor not
Equal to the intrinsic frequency of motor, covibration is effectively avoided, the complete machine oscillation and noise of motor is reduced, promotes making for user
With experience.Fig. 1 is the schematic diagram of the adjusting method of motor operation frequency according to an embodiment of the invention, and the motor operation is frequently
The adjusting method of rate can perform following steps：
Step S102 utilizes the vibration acceleration of acceleration transducer detection motor set inside motor；
Step S104, judges whether the vibration acceleration of motor is more than predetermined acceleration, if so, step S106 is performed, if
It is no, it returns and performs step S102；
Step S106 adjusts the input voltage of motor, is not equal to the intrinsic frequency of motor so as to the running frequency of regulation motor
Rate.
In above step, the predetermined acceleration in step S104 can be configured according to actual needs.Such as in electricity
The vibration acceleration of machine is more than X ㎜/s2When, it is believed that the running frequency of motor is equal to intrinsic frequency, and covibration has occurred, then may be used
Predetermined acceleration is set as X ㎜/s2.The vibration acceleration of motor is judged in step S104 whether more than predetermined acceleration i.e.
It is to judge whether motor has occurred covibration.
The step of input voltage that motor is adjusted in step S106, can include：Default electricity is raised and lowered in input voltage
Pressure, changes the rotating speed of motor.In a kind of specific embodiment, the running frequency f=24n/60 of motor, wherein n are motor
Rotating speed, i.e. the running frequency of motor is directly proportional to rotating speed, and input voltage is being raised and lowered predeterminated voltage, make motor turn
When speed changes, running frequency changes correspondingly.During since covibration occurs, illustrate that the running frequency of motor is equal to its intrinsic frequency
Rate, the input voltage of motor, which is raised and lowered, can change the running frequency of motor so that the running frequency of motor avoids it
Intrinsic frequency, so as to which covibration be avoided to generate.
Specifically, when input voltage being increased predeterminated voltage, the rotating speed of motor is per minute to increase default revolution；It will input electricity
During the low predeterminated voltage of pressure drop, the rotating speed of motor is per minute to reduce default revolution.It should be noted that it can repeatedly be raised and lowered
Input voltage, but the undulating value that input voltage is raised and lowered is less than or equal to default undulating value.In a kind of specific embodiment
In, predeterminated voltage 0.02V, it is 10 turns to preset revolution, and it is 0.06V to preset undulating value.When input voltage being increased 0.02V,
Motor speed is per minute to increase by 10 turns；When input voltage is increased 0.04V, motor speed is per minute to increase by 20 turns；It will input electricity
During pressure raising 0.06V, motor speed is per minute to increase by 30 turns.Similarly, when input voltage being reduced 0.02V, motor speed is every
Minute reduces 10 turns；When input voltage is reduced 0.04V, motor speed is per minute to reduce 20 turns；Input voltage is reduced into 0.06V
When, motor speed is per minute to reduce 30 turns.The undulating value that input voltage is raised and lowered is less than or equal to 0.06V, i.e. input voltage
0.06V is raised and lowered in maximum.
It can also include after the step of input voltage of step S106 adjustment motors：The vibration of detection motor adds again
Speed, and when the vibration acceleration of motor is still greater than predetermined acceleration, the input voltage of motor is adjusted again.I.e. to input
After voltage is adjusted, vibration acceleration is detected again, determines whether the running frequency of motor has been avoided it and consolidated
There is frequency, can confirm whether the adjusting to motor operation frequency is reasonable, is further ensured that the functional reliability of motor in time.
The adjusting method of the motor operation frequency of the present embodiment detects electricity using the acceleration transducer set inside motor
The vibration acceleration of machine；Judge whether the vibration acceleration of motor is more than predetermined acceleration；And when result is to be, by adjusting
The input voltage of motor is not equal to the intrinsic frequency of motor, it is possible to prevente effectively from resonance is existing so as to the running frequency of regulation motor
As occurring, the complete machine oscillation and noise of motor are reduced, promotes the usage experience of user.
In some optional embodiments, it can be realized more by the motor that advanced optimizes and be configured to above-mentioned steps
High technique effect, below in conjunction with an introduction for optionally performing flow to the present embodiment to the motor operation frequency of the present embodiment
The adjusting method of rate is described in detail, the embodiment be only to perform flow for example, in the specific implementation, Ke Yigen
According to specific implementation demand, to part steps perform sequence, service condition is modified.Fig. 2 is according to one implementation of the present invention
The detail flowchart of the adjusting method of the motor operation frequency of example, the adjusting method of the motor operation frequency include the following steps：
Step S202 utilizes the vibration acceleration of acceleration transducer detection motor set inside motor；
Step S204, judges whether the vibration acceleration of motor is more than predetermined acceleration, if so, step S206 is performed, if
It is no, it returns and performs step S202；
Predeterminated voltage is raised and lowered in input voltage by step S206, changes the rotating speed of motor, so as to regulation motor
Running frequency is not equal to the intrinsic frequency of motor, and returns and perform step S202.
In above step, the predetermined acceleration in step S204 can be configured according to actual needs.Such as in electricity
The vibration acceleration of machine is more than X ㎜/s2When, it is believed that the running frequency of motor is equal to intrinsic frequency, and covibration has occurred, then may be used
Predetermined acceleration is set as X ㎜/s2.The vibration acceleration of motor is judged in step S204 whether more than predetermined acceleration i.e.
It is to judge whether motor has occurred covibration.
Predeterminated voltage is raised and lowered in input voltage in step S206, changes the rotating speed of motor.Specifically, it will input
When voltage increases predeterminated voltage, the rotating speed of motor is per minute to increase default revolution；When input voltage is reduced predeterminated voltage, motor
Rotating speed per minute reduce default revolution.It should be noted that input voltage can repeatedly be raised and lowered, but input voltage
The undulating value being raised and lowered is less than or equal to default undulating value.
In a kind of specific embodiment, predeterminated voltage 0.02V, it is 10 turns to preset revolution, and default undulating value is
0.06V.When input voltage being increased 0.02V, motor speed is per minute to increase by 10 turns；When input voltage is increased 0.04V, electricity
Machine rotating speed is per minute to increase by 20 turns；When input voltage is increased 0.06V, motor speed is per minute to increase by 30 turns.It similarly, will be defeated
When entering voltage reduces 0.02V, motor speed is per minute to reduce 10 turns；When input voltage is reduced 0.04V, motor speed is per minute
Reduce 20 turns；When input voltage is reduced 0.06V, motor speed is per minute to reduce 30 turns.The wave that input voltage is raised and lowered
Dynamic value is less than or equal to 0.06V, i.e. 0.06V is raised and lowered in input voltage maximum.
It is adjusted in step S206 to input voltage, after the running frequency for changing motor, returns and perform step
S202 is detected vibration acceleration again, determines whether the running frequency of motor has avoided its intrinsic frequency, Neng Gouji
When confirm it is whether reasonable to the adjusting of motor operation frequency, be further ensured that the functional reliability of motor.
A specific example is introduced below：
It is 2.0 ㎜/s using the vibration acceleration of acceleration transducer detection motor set inside motor2If default add
Speed is 1.5 ㎜/s2, since the vibration acceleration of motor is more than predetermined acceleration, it is believed that covibration occurs.At this time may be used
The input voltage of motor is declined 0.02V, the rotating speed of motor corresponds to 10 turns of reduction per minute.The vibration of detection motor adds again
Speed, if still greater than 1.5 ㎜ of predetermined acceleration/s2, then can continue the input voltage of motor declining 0.02V, motor turns
Speed is per minute again to reduce 10 turns.So cycle, is constantly detected the real-time vibration acceleration of motor, according to shaking for motor
Dynamic acceleration determines the need for the input voltage of adjustment motor, so as to effectively avoid covibration.But it needs to illustrate
, the input voltage of motor is adjusted in any case, and the undulating value that input voltage is raised and lowered is less than or equal to default undulating value
0.06V.The input voltage of motor cannot be raised and lowered more than 0.06V, if because input voltage tune by motor
Haveing suffered greatly, may influence the normal work of motor.Such as the motor applied to air conditioner, if making under the input voltage of motor
The range of decrease is spent greatly, even if the running frequency of motor avoids intrinsic frequency, avoids covibration, but may result in just
Normal air feed demand can not be satisfied.The adjusting method of the motor operation frequency of the present embodiment, to the tune of motor input voltage
Whole picture degree is defined, and fine adjustments are carried out to the input voltage of motor, and the running frequency of motor can either be made to avoid it inherently
Frequency avoids covibration from generating, and can meet the normal work needs of motor.
It should be noted that the mode that input voltage is adjusted in above-mentioned specific embodiment is only to enumerate, and not to this hair
Bright restriction.By repeatedly reducing the running frequency of input voltage regulation motor in above-described embodiment, the intrinsic frequency of motor is avoided
Rate.In some other embodiment, it can also afterwards reduce by repeatedly increasing input voltage, first increasing, first reduce and increase afterwards
Various ways adjust input voltage.Because if motor initially resonates, as long as input voltage changes, therewith motor turn
Speed, running frequency all change, and running frequency changes, it will be able to avoid motor intrinsic frequency, avoid resonating.
The adjusting method of the motor operation frequency of the present embodiment, input voltage and then secondary detection electricity in adjustment motor
The vibration acceleration of machine, and when the vibration acceleration of motor is still greater than predetermined acceleration, the input voltage of motor is adjusted again,
It may further ensure that the running frequency of motor avoids its intrinsic frequency, and can be default by the way that input voltage is raised and lowered
Voltage changes the rotating speed of motor, and then the running frequency of regulation motor, and entire detection and adjusting process are automatically performed, greatly
Ground reduces the complete machine oscillation of motor, effectively extends the service life of motor.
Fig. 3 is the structure diagram of the regulating device 300 of motor operation frequency according to an embodiment of the invention.The motor
The regulating device 300 of running frequency can be set in motor, for performing the motor operation frequency of any of the above embodiment
Adjusting method.The regulating device 300 of the motor operation frequency can include in general manner：Detection module 310, judgment module 320
And adjustment module 330.
In with upper module, detection module 310 can be configured to detect using the acceleration transducer set inside motor
The vibration acceleration of motor.
Judgment module 320 can be configured to judge whether the vibration acceleration of motor is more than predetermined acceleration.It is wherein default
Acceleration can be configured according to actual needs.Such as motor vibration acceleration be more than X ㎜/s2When, it is believed that motor
Running frequency is equal to intrinsic frequency, and covibration has occurred, then predetermined acceleration can be set as to X ㎜/s2.Judge motor
Whether vibration acceleration is to judge whether motor has occurred covibration more than predetermined acceleration.
Adjustment module 330 can be configured to, when the vibration acceleration of motor is more than predetermined acceleration, adjust the defeated of motor
Enter voltage, be not equal to the intrinsic frequency of motor so as to the running frequency of regulation motor.Adjust the specific step of the input voltage of motor
Suddenly can include：Predeterminated voltage is raised and lowered in input voltage, changes the rotating speed of motor.In a kind of specific embodiment
In, the running frequency f=24n/60 of motor, wherein n are the rotating speed of motor, i.e. the running frequency of motor is directly proportional to rotating speed,
Predeterminated voltage is raised and lowered in input voltage, when changing the rotating speed of motor, running frequency changes correspondingly.Due to resonating
During phenomenon, illustrate that the running frequency of motor is equal to its intrinsic frequency, the input voltage of motor, which is raised and lowered, can change electricity
The running frequency of machine so that the running frequency of motor avoids its intrinsic frequency, so as to which covibration be avoided to generate.
Specifically, when input voltage being increased predeterminated voltage, the rotating speed of motor is per minute to increase default revolution；It will input electricity
During the low predeterminated voltage of pressure drop, the rotating speed of motor is per minute to reduce default revolution.It should be noted that it can repeatedly be raised and lowered
Input voltage, but the undulating value that input voltage is raised and lowered is less than or equal to default undulating value.In a kind of specific embodiment
In, predeterminated voltage 0.02V, it is 10 turns to preset revolution, and it is 0.06V to preset undulating value.When input voltage being increased 0.02V,
Motor speed is per minute to increase by 10 turns；When input voltage is increased 0.04V, motor speed is per minute to increase by 20 turns；It will input electricity
During pressure raising 0.06V, motor speed is per minute to increase by 30 turns.Similarly, when input voltage being reduced 0.02V, motor speed is every
Minute reduces 10 turns；When input voltage is reduced 0.04V, motor speed is per minute to reduce 20 turns；Input voltage is reduced into 0.06V
When, motor speed is per minute to reduce 30 turns.The undulating value that input voltage is raised and lowered is less than or equal to 0.06V, i.e. input voltage
0.06V is raised and lowered in maximum.
Fig. 4 is the structure diagram of the regulating device 300 of motor operation frequency in accordance with another embodiment of the present invention.Upper
On the basis of one embodiment, adjustment module 330 can include：Raising, which adjusts submodule 331 and reduces, adjusts submodule 332.
Wherein, the detection module 310 of the present embodiment may be configured to：After the step of input voltage for adjusting motor
The vibration acceleration of motor is detected again.Adjustment module 330 may be configured to：Motor vibration acceleration still greater than default
During acceleration, the input voltage of motor is adjusted again.After being adjusted to input voltage, vibration acceleration is carried out again
Detection, determines whether the running frequency of motor has avoided its intrinsic frequency, can confirm the tune to motor operation frequency in time
Whether section is reasonable, is further ensured that the functional reliability of motor.
Adjustment module 330 may be configured to：Predeterminated voltage is raised and lowered in input voltage, changes the rotating speed of motor
Become.Adjustment module 330 includes：Raising, which adjusts submodule 331 and reduces, adjusts submodule 332, wherein raising adjusts submodule 331
When can be configured to input voltage increasing predeterminated voltage, the rotating speed of motor is per minute to increase default revolution；And it reduces and adjusts
When submodule 332 can be configured to input voltage reducing predeterminated voltage, the rotating speed of motor is per minute to reduce default revolution.
It should be noted that adjusting the input voltage of motor in any case, the undulating value that input voltage is raised and lowered is small
In equal to default undulating value.The amplitude being adjusted to the input voltage of motor limits, if because by the defeated of motor
It is excessive to enter voltage adjustment, the normal work of motor may be influenced.Such as the motor applied to air conditioner, if making the defeated of motor
Enter that voltage fall is excessive, even if the running frequency of motor avoids intrinsic frequency, avoid covibration, but may
It can cause normal air feed demand that can not be satisfied.Fine adjustments only are carried out to the input voltage of motor, motor can either be made
Running frequency avoid its intrinsic frequency, covibration is avoided to generate, and the normal work needs of motor can be met.
The regulating device 300 of the motor operation frequency of the present embodiment is examined using the acceleration transducer set inside motor
The vibration acceleration of measured motor；Judge whether the vibration acceleration of motor is more than predetermined acceleration；And in result when being, to pass through
The input voltage of motor is adjusted, is not equal to the intrinsic frequency of motor so as to the running frequency of regulation motor, it is possible to prevente effectively from altogether
It shakes phenomenon, reduces the complete machine oscillation and noise of motor, promote the usage experience of user.
Further, the regulating device 300 of the motor operation frequency of the present embodiment, in the step of the input voltage of adjustment motor
It is further included after rapid：The vibration acceleration of motor is detected again, and when the vibration acceleration of motor is still greater than predetermined acceleration,
The input voltage of motor is adjusted again, may further ensure that the running frequency of motor avoids its intrinsic frequency, and can pass through
Predeterminated voltage is raised and lowered in input voltage, changes the rotating speed of motor, and then the running frequency of regulation motor, it is entire to detect
It is automatically performed with adjusting process, significantly reduces the complete machine oscillation of motor, effectively extend the service life of motor.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple showing for the present invention
Example property embodiment, still, without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or derive many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers other all these variations or modifications.
Claims (10)
1. a kind of adjusting method of motor operation frequency, including：
The vibration acceleration of the motor is detected using the acceleration transducer set inside the motor；
Judge whether the vibration acceleration of the motor is more than predetermined acceleration；And
If so, the input voltage of the motor is adjusted, so as to adjust the running frequency of the motor consolidating not equal to the motor
There is frequency.
2. the adjusting method of motor operation frequency according to claim 1, wherein in the input voltage for adjusting the motor
The step of after further include：
Detect the vibration acceleration of the motor again, and the motor vibration acceleration still greater than the predetermined acceleration
When, the input voltage of the motor is adjusted again.
3. the adjusting method of motor operation frequency according to claim 2, wherein adjust the input voltage of the motor
Step includes：
Predeterminated voltage is raised and lowered in the input voltage, changes the rotating speed of the motor.
4. the adjusting method of motor operation frequency according to claim 3, wherein,
When the input voltage is increased the predeterminated voltage, the rotating speed of the motor is per minute to increase default revolution；
When the input voltage is reduced the predeterminated voltage, the rotating speed of the motor is per minute to reduce the default revolution.
5. the adjusting method of motor operation frequency according to claim 4, wherein,
The undulating value that the input voltage is raised and lowered is less than or equal to default undulating value.
6. the adjusting method of motor operation frequency according to claim 5, wherein,
The predeterminated voltage is 0.02V, and the default revolution is 10 turns, and the default undulating value is 0.06V.
7. a kind of regulating device of motor operation frequency, including：
Detection module is configured with the vibration acceleration that the acceleration transducer set inside the motor detects the motor
Degree；
Judgment module, is configured to judge whether the vibration acceleration of the motor is more than predetermined acceleration；And
Adjustment module is configured to, when the vibration acceleration of the motor is more than the predetermined acceleration, adjust the motor
Input voltage, so as to adjust the intrinsic frequency that the running frequency of the motor is not equal to the motor.
8. the regulating device of motor operation frequency according to claim 7, wherein,
The detection module is configured to：The motor is detected again after the step of input voltage for adjusting the motor
Vibration acceleration；
The adjustment module is configured to：When the vibration acceleration of the motor is still greater than the predetermined acceleration, adjust again
The input voltage of the whole motor.
9. the regulating device of motor operation frequency according to claim 7, wherein the adjustment module is configured to：
Predeterminated voltage is raised and lowered in the input voltage, changes the rotating speed of the motor.
10. the regulating device of motor operation frequency according to claim 9, wherein the adjustment module includes：
Raising adjusts submodule, when being configured to the input voltage increasing the predeterminated voltage, every point of the rotating speed of the motor
Clock increases default revolution；And
It reduces and adjusts submodule, when being configured to the input voltage reducing the predeterminated voltage, every point of the rotating speed of the motor
Clock reduces the default revolution.
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