CN104467625B - A kind of motor speed control method, system and device - Google Patents
A kind of motor speed control method, system and device Download PDFInfo
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- CN104467625B CN104467625B CN201410653611.6A CN201410653611A CN104467625B CN 104467625 B CN104467625 B CN 104467625B CN 201410653611 A CN201410653611 A CN 201410653611A CN 104467625 B CN104467625 B CN 104467625B
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 230000033228 biological regulation Effects 0.000 claims abstract description 23
- 230000000052 comparative effect Effects 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
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Abstract
The present invention relates to field of energy-saving technology, discloses a kind of motor speed control method, system and device.Wherein, this method includes：The number of phases of motor is judged；Gather environment parameter data；By environment parameter data compared with preset value, a comparative result is obtained；According to the comparative result to being judged as that single-phase or two-phase motor carries out pressure regulation to realize the control to its rotating speed；Motor to being judged as three-phase carries out frequency conversion to realize the control to its rotating speed, it is achieved thereby that the control and regulation of the rotating speed to the motor of electrical equipment, not only reduce use cost, and has reached the purpose of energy-conserving and environment-protective.
Description
Technical field
The present invention relates to field of energy-saving technology, is primarily adapted for use in motor speed control method, system and device.
Background technology
With the continuous development of society, people increasingly pay attention to energy-conserving and environment-protective and smart home.In order to reach this purpose,
People are made that substantial amounts of effort.Many people start with from the air quality of interior, energy-conserving and environment-protective, intelligent home etc., such as wrap
Number of patent application is included as 200720175998.4, entitled " new fan intelligent control frequency converting and energy saving device ", number of patent application is
200820183396.8th, some patents including entitled " a kind of stepless time adjustment range hood of VFC " have been directed to whole
The converter technique of the new blower fan and range hood of body, to reach energy-conserving and environment-protective, comfortable purpose.Wherein, " new fan intelligent control
Frequency converting and energy saving device " patent is to control frequency converter by the number in room to reach energy-conserving and environment-protective purpose, and " one kind becomes
Frequency control electrodeless range hood " patent be then can stepless time adjustment, with realize reach effects of energy conservation and environmental protection in varied situations.
But the price of the new blower fan, range hood with frequency conversion function is than the price of common new blower fan, range hood
It is much higher, and most of user be all common new blower fan, range hood, but existing common fresh air
Machine, range hood do not have the function of frequency conversion, thus can not realize the effect of energy-conserving and environment-protective.In addition, it is other existing
Electrical equipment (such as air-conditioning, motor vehicle) there is also it is above-mentioned the problem of.
In summary, existing electrical equipment on the basis of cost is reduced, can not reach the purpose of energy-conserving and environment-protective.
The content of the invention
The present invention provides a kind of motor speed control method, system and device, the rotating speed for the motor to electrical equipment
Regulation is controlled, not only reduces use cost, and has reached the purpose of energy-conserving and environment-protective.
In order to solve the above technical problems, the invention provides a kind of motor speed control method, including：
The number of phases of motor is judged；
Gather environment parameter data；
By the environment parameter data compared with preset value, a comparative result is obtained；
According to the comparative result to being judged as that single-phase or two-phase motor carries out pressure regulation to realize the control to its rotating speed；
Motor to being judged as three-phase carries out frequency conversion to realize the control to its rotating speed.
Further, the number of phases to motor judges, including：Three test signals are sent to motor, according to
The number and waveform of the feedback signal of the test signal are judged the number of phases of the motor.
Further, the number of the feedback signal according to the test signal and waveform enter to the number of phases of the motor
Row judgement, including：
If an only test signal has feedback signal output, the number of phases of the motor is single-phase；
If there are two test signals to have feedback signal output, and the waveform of the feedback signal is step pulse, then
The number of phases of the motor is two-phase；
If three test signals have feedback signal output, and the waveform of the feedback signal and the test signal
Waveform it is the same, then the number of phases of the motor is three-phase.
Further, methods described also includes：Anti-interference process is carried out to the environment parameter data；
It is described by the environment parameter data compared with preset value, be specially：By the ring after anti-interference process
Border parametric data is compared with the preset value.
A kind of Motor Rotating Speed Control System provided by the invention, including：
Number of phases judge module, for judging the number of phases of motor；
Data acquisition module, for gathering environment parameter data；
Comparison module, for compared with preset value, the environment parameter data to be obtained into a comparative result；
Control module, it is single-phase to being judged as by the number of phases judge module for the comparative result according to the comparison module
Or the motor of two-phase carries out pressure regulation to realize the control to its rotating speed；Motor to being judged as three-phase carries out frequency conversion to realize to it
The control of rotating speed.
Further, the number of phases judge module, specifically for three test signals are sent into motor, according to the survey
The number and waveform of the feedback signal of trial signal are judged the number of phases of the motor.
Further, the number of phases judge module, including：
Communication unit, for sending the test signal to the motor, and receive the feedback signal；
First judging unit, if having feedback signal output for an only test signal, judge the motor
The number of phases to be single-phase；
Second judging unit, if for there is two test signals to have feedback signal output, and the feedback signal
Waveform is step pulse, then judges the number of phases of the motor for two-phase；
3rd judging unit, if there is feedback signal output for three test signals, and the feedback signal
Waveform then judges the number of phases of the motor for three-phase as the waveform of the test signal.
Further, in addition to：
Anti-interference process module, for carrying out anti-interference process to the environment parameter data；
The comparison module, specifically for the environment parameter data after anti-interference process and the preset value are carried out
Compare.
A kind of motor speed control device provided by the invention, including：Environment parameter data acquisition equipment, PLC technology
Device and speed control device；The output end of the environment parameter data acquisition equipment is connected with the input of the programmable controller；
The output end of the programmable controller is connected with the input of the speed control device；The output end and motor of the speed control device
Input connection；The programmable controller is also connected with the motor signal.
Further, in addition to：Warning device；The output of the input of the warning device and the programmable controller
End connection.
The beneficial effects of the present invention are：
Motor speed control method, system and device provided by the invention, first judge the number of phases of motor, and gather
Environment parameter data, by environment parameter data compared with preset value, according to environment parameter data and the comparison knot of preset value
Fruit is to being judged as that the rotating speed of single-phase or two-phase motor carries out Regulation Control；The rotating speed of motor to being judged as three-phase carries out frequency conversion
Control, it is achieved thereby that the control and regulation of the rotating speed to the motor of electrical equipment, not only reduce use cost, and reach
The purpose of energy-conserving and environment-protective.
Brief description of the drawings
Fig. 1 is the flow chart of motor speed control method provided in an embodiment of the present invention；
Fig. 2 is the flow being controlled by motor speed control method provided in an embodiment of the present invention to blower motor
Figure；
Fig. 3 is the structured flowchart of Motor Rotating Speed Control System provided in an embodiment of the present invention；
Fig. 4 is the structured flowchart of motor speed control device provided in an embodiment of the present invention.
Embodiment
For the present invention is expanded on further to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with attached
Figure and preferred embodiment, to the embodiment according to motor speed control method proposed by the present invention, system and device and
Operation principle is described in detail.
Referring to Fig. 1, motor speed control method provided in an embodiment of the present invention, including：
Step S110：The number of phases of motor is judged；
This step is illustrated, this step specifically includes：
Three test signals are sent to motor, the phase according to the number of the feedback signal of test signal and waveform to motor
Number is judged.More specifically：
If an only test signal has feedback signal output, the number of phases of motor is single-phase；
If there are two test signals to have feedback signal output, and the waveform of feedback signal is the phase of step pulse, then motor
Number is two-phase, i.e. motor has two group rotors；
If three test signals have feedback signal output, and the waveform of feedback signal is as the waveform of test signal,
Then the number of phases of motor is three-phase.
Step S120：Gather environment parameter data；In embodiments of the present invention, environment parameter data can include：
PM2.5, temperature, humidity, motor operation speed etc., the embodiment of the present invention does not make specific limitation to this.
Step S130：By environment parameter data compared with preset value, a comparative result is obtained；
Step S140：According to the comparative result to being judged as that single-phase or two-phase motor carries out pressure regulation to realize to its rotating speed
Control；Motor to being judged as three-phase carries out frequency conversion to realize the control to its rotating speed.In embodiments of the present invention, single-phase electricity
Machine can include direct current generator and alternating current generator, and two-phase induction motor can be stepper motor, and the embodiment of the present invention is not provided to this
The restriction of body.
The operation conditions of electrical equipment can be visually known for the ease of user, is entered in the motor to electrical equipment
While row controls to adjust, can by the environment parameter data and preset value that collect and its comparative result by picture and/or
The modes such as voice show user, and light different indicator lamps.
Referring to Fig. 2, when environment parameter data are PM2.5, the particulate count in air is gathered first according to X, then by particle
Thing data X respectively with the acceptable air particle threshold X of default usermin, dangerous values XmaxIt is compared；If X>Xmax, and
When the motor is single-phase or two-phase machine, accelerate the rotating speed of blower motor by improving the input voltage of the motor, simultaneously
It can be sent out red alarm；When the motor is three phase electric machine, accelerate blower fan electricity by improving the incoming frequency of the motor
The rotating speed of machine, while can be sent out red alarm；If Xmin<X<Xmax, can be with and when the motor is single-phase or two-phase machine
Accelerate the rotating speed of blower motor by improving the input voltage of the motor or keep the input voltage of the motor constant by wind
The rotating speed of electromechanical machine is controlled in present level, while can be sent out yellow alarm；And when the motor is three phase electric machine, can be with
Accelerate the rotating speed of blower motor by improving the incoming frequency of the motor or keep the incoming frequency of the motor constant by wind
The rotating speed of electromechanical machine is controlled in present level, while can be sent out yellow alarm；If X<Xmin, and when the motor to be single-phase or
During two-phase machine, it can slow down the rotating speed of blower motor by reducing the input voltage of the motor or stop defeated to the motor
Go out voltage to stop blower fan, while green indicating lamp can also be lighted；When the motor is three phase electric machine, reduction can be passed through
The incoming frequency of the motor slows down the rotating speed of blower motor or stops stopping blower fan to the motor output voltage, also simultaneously
Green indicating lamp can be lighted.According to the method described above, blower motor can be turned according to real-time PM2.5 values in air
Speed is controlled regulation, so as to reach the purpose of energy-conserving and environment-protective.
When environment parameter data are temperature, collecting temperature data Y first, then by the temperature data Y collected respectively with
The default acceptable lowest temperature Y of usermin, the acceptable highest temperature Y of usermaxIt is compared；If Y>Ymax, and work as the motor
For single-phase or two-phase machine when, the rotating speed of the blower motor of cooling/heating air conditioner can be slowed down by reducing the input voltage of the motor
Or stop stopping the blower fan of cooling/heating air conditioner to the motor output voltage, while can be sent out red alarm；When the motor
For three phase electric machine when, can slow down the rotating speed of the blower motor of cooling/heating air conditioner by reducing the incoming frequency of the motor or stop
The blower fan of cooling/heating air conditioner only is stopped to the motor output voltage, while can be sent out red alarm；If Ymin<Y<Ymax, and
When the motor is single-phase or two-phase machine, the rotating speed of the constant blower motor by cooling/heating air conditioner of input voltage of the motor is kept
Control can be sent out yellow alarm in present level；And when the motor is three phase electric machine, keep the input of the motor
The rotating speed of the constant blower motor by cooling/heating air conditioner of frequency is controlled in present level, while can be sent out yellow alarm；If Y<
Ymin, and when the motor is single-phase or two-phase machine, accelerate the blower fan of cooling/heating air conditioner by improving the input voltage of the motor
The rotating speed of motor, while can be sent out orange alarm.When the motor is three phase electric machine, by the input frequency for improving the motor
Rate accelerates the rotating speed of the blower motor of cooling/heating air conditioner, while can be sent out orange alarm.According to the method described above, can basis
Real-time temperature value, regulation is controlled to the rotating speed of the motor of cooling/heating air conditioner, so as to reach the purpose of energy-conserving and environment-protective.
When environment parameter data are humidity, first gather humidity data Q, then by the humidity data Q collected respectively with
The default acceptable humidity minimum Q of usermin, the acceptable humidity peak Q of usermaxIt is compared；If Q>Qmax, and
When the motor is single-phase or two-phase machine, the blower motor of humidifier can be slowed down by reducing the input voltage of the motor
Rotating speed or stop stopping the blower fan of humidifier to the motor output voltage, while can be sent out red alarm；When this
When motor is three phase electric machine, can by reduce the incoming frequency of the motor slow down the rotating speed of the blower motor of humidifier or
Stop stopping the blower fan of humidifier to the motor output voltage, while can be sent out red alarm；If Qmin<Q<Qmax, and
When the motor is single-phase or two-phase machine, the rotating speed control of the constant blower motor by humidifier of input voltage of the motor is kept
System can be sent out yellow alarm in present level；When the motor is three phase electric machine, the incoming frequency of the motor is kept
The rotating speed of the constant blower motor by humidifier is controlled in present level, while can be sent out yellow alarm；If Q<Qmin, and
When the motor is single-phase or two-phase machine, the input voltage of the motor is improved to accelerate the rotating speed of the blower motor of humidifier,
It can be sent out orange alarm simultaneously.When the motor is three phase electric machine, accelerated by improving the incoming frequency of the motor
The rotating speed of the blower motor of wet device, while can be sent out orange alarm.According to the method described above, can be according to real-time humidity
Value, is controlled regulation, so as to reach the purpose of energy-conserving and environment-protective to the rotating speed of the motor of humidifier.
When environment parameter data are the travel speed of motor vehicle, the travel speed data Z of motor vehicle is gathered first, then will
The travel speed data Z collected respectively with the acceptable lowest speed Z of default usermin, the acceptable most high speed Z of usermax
It is compared；If Z>Zmax, and when the motor is single-phase or two-phase machine, slowed down by reducing the input voltage of the motor
The rotating speed of the motor of motor vehicle, while can be sent out red alarm；When the motor is three phase electric machine, by reducing the motor
Incoming frequency slow down the rotating speed of the motor of motor vehicle, while can be sent out red alarm；If Zmin<Z<Zmax, and work as and be somebody's turn to do
When motor is single-phase or two-phase machine, the constant rotating speed by motor vehicle motor of input voltage of the motor is kept to control in current water
It is flat, while can be sent out yellow alarm；When the motor is three phase electric machine, keep the motor incoming frequency it is constant will be motor-driven
The rotating speed of vehicle motor is controlled in present level, while can be sent out yellow alarm；If Z<Zmin, and when the motor to be single-phase or
During two-phase machine, the input voltage of the motor is improved to accelerate the rotating speed of the motor of motor vehicle, while can also make green instruction
Lamp lights；When the motor is three phase electric machine, accelerate the rotating speed of the motor of motor vehicle by improving the incoming frequency of the motor,
Green indicating lamp can also be lighted simultaneously.According to the method described above, can be according to the real-time travel speed of motor vehicle, to motor vehicle
The rotating speed of motor is controlled regulation, so as to reach the purpose of energy-conserving and environment-protective.
In order to improve the control accuracy of the embodiment of the present invention, method provided in an embodiment of the present invention, in addition to：Environment is joined
Measure the step of data carry out anti-interference process；Specific anti-interference process step can include：Isolation and/or filtration step etc.,
The embodiment of the present invention does not make specific limitation to this.
In this case, then by the environment parameter data after anti-interference process compared with preset value, go forward side by side
The follow-up control and regulation step of row.
Referring to Fig. 3, Motor Rotating Speed Control System provided in an embodiment of the present invention, including：
Number of phases judge module 100, for judging the number of phases of motor；
In embodiments of the present invention, number of phases judge module 100, specifically for three test signals are sent into motor, root
The number of phases of motor is judged according to the number and waveform of the feedback signal of test signal.Further, number of phases judge module
100, including：
Communication unit, for sending test signal to motor, and receive feedback signal；
First judging unit, if having feedback signal output for an only test signal, the number of phases for judging motor is
It is single-phase；
Second judging unit, if for there is two test signals to have feedback signal output, and the waveform of feedback signal is rank
Jump pulse, then judges the number of phases of motor for two-phase, i.e., motor has two group rotors；
3rd judging unit, if having feedback signal output, and the waveform of feedback signal and survey for three test signals
The waveform of trial signal is the same, then judges the number of phases of motor for three-phase.
Data acquisition module 200, for gathering environment parameter data；In embodiments of the present invention, environment parameter data can
With including：PM2.5, temperature, humidity, motor operation speed etc., the embodiment of the present invention does not make specific limitation to this.
Comparison module 300, for compared with preset value, environment parameter data to be obtained into a comparative result；
Control module 400, for the comparative result according to comparison module 300 to being judged as list by number of phases judge module 100
The motor of phase or two-phase carries out pressure regulation to realize the control to its rotating speed；Electricity to being judged as three-phase by number of phases judge module 100
Machine carries out frequency conversion to realize the control to its rotating speed.
Further, system provided in an embodiment of the present invention, can also include：Data display module 500, for that will gather
To environment parameter data and preset value and its comparative result show user.
In order to improve the control accuracy of the embodiment of the present invention, system provided in an embodiment of the present invention, in addition to：
Anti-interference process module, for carrying out anti-interference process to environment parameter data；Specifically, at can be by isolation
Some anti-interference process means such as reason and/or filtration treatment carry out anti-interference process to environment parameter data.
In this case, comparison module 300, specifically for by the environment parameter data after anti-interference process and in advance
If value is compared.
Referring to Fig. 4, motor speed control device provided in an embodiment of the present invention, including：Environment parameter data acquisition equipment,
Programmable controller and speed control device；The output end of environment parameter data acquisition equipment and the input of programmable controller connect
Connect；The output end of programmable controller and the input of speed control device connect；The output end of speed control device and the input of motor
Connection；Programmable controller is also connected with motor signal.
In order that device provided in an embodiment of the present invention has warning function, the embodiment of the present invention also includes：Warning device；
The input of warning device and the output end of programmable controller connect.
The operation conditions of electrical equipment, dress provided in an embodiment of the present invention can be visually known for the ease of user
Put, in addition to：Presentation device；The input of presentation device and the output end of programmable controller connect.
In embodiments of the present invention, environment parameter data acquisition equipment can include：PM2.5 detection devices, temperature detection
Equipment, Humidity Detection equipment, speed detection equipment etc..Warning device can include：Alarm lamp, buzzer etc.；Displaying is set
It is standby to include display screen, voice playing equipment etc..
Regulation is controlled to the rotating speed of the motor of electrical equipment by device provided in an embodiment of the present invention, passed through first
Programmable controller sends test signal to the motor of the electrical equipment connect, and collects feedback signal, thereby determines that speed governing is set
The standby mode of speed regulation that regulation is controlled to electrical equipment.If the motor of connect electrical equipment is judged as single-phase AC/DC motor
Or two-phase stepping motor, then by controlling the output voltage of speed control device to carry out Regulation Control to the motor；If connect electricity consumption is set
Standby motor is judged as three phase electric machine, then by controlling the output frequency of speed control device to carry out VFC to the motor.Again
By the environment parameter data around the collection of environment parameter data acquisition equipment, will be collected by environment parameter data acquisition equipment
Data be sent to programmable controller；Programmable controller by the environment parameter data received compared with preset value,
And speed control device is sent control signals to according to comparative result regulation is controlled to the rotating speed of the motor of electrical equipment, simultaneously
Alarm signal also is sent into warning device to be alarmed, and by preset value, the environment parameter data received and its compares knot
Fruit is sent to presentation device and is shown, it is achieved thereby that the change based on surrounding environment, to the rotating speed of the motor of electrical equipment
It is controlled, has reached the purpose of energy-conserving and environment-protective.
The embodiment of the present invention can separate speed regulating control part with tested motor, individually speed regulating control part system
Make the form of forming apparatus, will be mounted in inside an apparatus body after each function element connection, just be stayed on the surface of apparatus body
There are the plug for connecing power supply and the interface for connecing tested motor.Again by this apparatus body and common blower fan, air-conditioning, humidifier, machine
The motor connection of the electrical equipments such as motor-car, with regard to can enable common electrical equipment motor rotating speed according to the change of external environment
Change and change, enable common electrical equipment have intelligent speed-regulating function, so as to reach energy-conserving and environment-protective and reduction use into
This purpose.Because the apparatus body can be connected in different electrical equipments according to different use demands, have very strong
Versatility, thus reduce further use cost.
Motor speed control method, system and device provided in an embodiment of the present invention, first judge the number of phases of motor,
And gather environment parameter data, by the environment parameter data collected compared with preset value, according to environment parameter data with
The comparative result of preset value is to being judged as that the rotating speed of single-phase or two-phase motor carries out Regulation Control；Motor to being judged as three-phase
Rotating speed carry out VFC, it is achieved thereby that the control and regulation of the rotating speed to the motor of electrical equipment, not only reduce use
Cost, but also reached the purpose of energy-conserving and environment-protective.
It should be noted last that above embodiment is merely illustrative of the technical solution of the present invention and unrestricted,
Although the present invention is described in detail with reference to example, it will be understood by those within the art that, can be to the present invention
Technical scheme modify or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention, it all should cover
Among scope of the presently claimed invention.
Claims (4)
- A kind of 1. motor speed control method, it is characterised in that including：The number of phases of motor is judged；Gather environment parameter data；By the environment parameter data compared with preset value, a comparative result is obtained；According to the comparative result to being judged as that single-phase or two-phase motor carries out pressure regulation to realize the control to its rotating speed；To sentencing Break and carry out frequency conversion for the motor of three-phase to realize the control to its rotating speed；Wherein, the number of phases to motor judges, including：Three test signals are sent to motor, according to the test The number and waveform of the feedback signal of signal are judged the number of phases of the motor；Wherein, it is described according to the test signal Feedback signal number and waveform the number of phases of the motor is judged, including：If an only test signal has feedback signal output, the number of phases of the motor is single-phase；If there are two test signals to have feedback signal output, and the waveform of the feedback signal is step pulse, then it is described The number of phases of motor is two-phase；If three test signals have feedback signal output, and the waveform of the feedback signal and the ripple of the test signal Shape is the same, then the number of phases of the motor is three-phase；Speed regulating control part is separated with tested motor, individually speed regulating control part is made the form of forming apparatus, will After the connection of each function element inside an apparatus body, just left on the surface of apparatus body the plug for connecing power supply and connect by The interface of measured motor；Again by this apparatus body and the motor connection of electrical equipment, the rotating speed of the motor of electric equipment can be just used It can be changed according to the change of external environment, can have the function of intelligent speed-regulating using electric equipment.
- 2. the method as described in claim 1, it is characterised in that methods described also includes：The environment parameter data are carried out Anti-interference process；It is described by the environment parameter data compared with preset value, be specially：Environment after anti-interference process is joined Data are measured compared with the preset value.
- A kind of 3. Motor Rotating Speed Control System, it is characterised in that including：Number of phases judge module, for judging the number of phases of motor；Data acquisition module, for gathering environment parameter data；Comparison module, for compared with preset value, the environment parameter data to be obtained into a comparative result；Control module, for the comparative result according to the comparison module to being judged as single-phase or two by the number of phases judge module The motor of phase carries out pressure regulation to realize the control to its rotating speed；Motor to being judged as three-phase carries out frequency conversion to realize to its rotating speed Control；Wherein, the number of phases judge module, specifically for three test signals are sent into motor, according to the test signal The number and waveform of feedback signal are judged the number of phases of the motor；Wherein, the number of phases judge module, including：Communication unit, for sending the test signal to the motor, and receive the feedback signal；First judging unit, if having feedback signal output for an only test signal, judge the phase of the motor Number is single-phase；Second judging unit, if for there is two test signals to have feedback signal output, and the waveform of the feedback signal For step pulse, then judge the number of phases of the motor for two-phase；3rd judging unit, if having feedback signal output, and the waveform of the feedback signal for three test signals As the waveform of the test signal, then judge the number of phases of the motor for three-phase；Speed regulating control part is separated with tested motor, individually speed regulating control part is made the form of forming apparatus, will After the connection of each function element inside an apparatus body, just left on the surface of apparatus body the plug for connecing power supply and connect by The interface of measured motor；Again by this apparatus body and the motor connection of electrical equipment, the rotating speed of the motor of electric equipment can be just used It can be changed according to the change of external environment, can have the function of intelligent speed-regulating using electric equipment.
- 4. system as claimed in claim 3, it is characterised in that also include：Anti-interference process module, for carrying out anti-interference process to the environment parameter data；The comparison module, specifically for the environment parameter data after anti-interference process are compared with the preset value Compared with.
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|---|---|---|---|---|
| JPH01138993A (en) * | 1987-11-26 | 1989-05-31 | Mitsubishi Electric Corp | Disc driving gear |
| US8193796B2 (en) * | 2006-07-03 | 2012-06-05 | Infineon Technologies Austria Ag | Multiphase power regulator with load adaptive phase control |
| CN200965321Y (en) * | 2006-10-12 | 2007-10-24 | 广东省吉荣空调设备公司 | High precision frequency-variable constant-temperature constant-humidity air conditioner |
| EP2680434B1 (en) * | 2011-02-25 | 2020-09-30 | NTN Corporation | Electric automobile |
| JP2014007905A (en) * | 2012-06-26 | 2014-01-16 | Honda Motor Co Ltd | Controller for motor drive system |
| CN103944377B (en) * | 2013-01-21 | 2016-10-26 | 登丰微电子股份有限公司 | The polyphase source switching controller of tool current balance type |
-
2014
- 2014-11-14 CN CN201410653611.6A patent/CN104467625B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN104467625A (en) | 2015-03-25 |
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