CN106208886A - A kind of motor noise-reducing control circuit applied on intelligence clothes airing machine and method thereof - Google Patents
A kind of motor noise-reducing control circuit applied on intelligence clothes airing machine and method thereof Download PDFInfo
- Publication number
- CN106208886A CN106208886A CN201610595881.5A CN201610595881A CN106208886A CN 106208886 A CN106208886 A CN 106208886A CN 201610595881 A CN201610595881 A CN 201610595881A CN 106208886 A CN106208886 A CN 106208886A
- Authority
- CN
- China
- Prior art keywords
- motor
- phase
- current
- angle
- silicon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Control Of Ac Motors In General (AREA)
- Control Of Electrical Variables (AREA)
Abstract
A kind of motor noise-reducing control circuit applied on intelligence clothes airing machine, including MCU controller, phase voltage phase detecting module, current phase detection module, first, second drive circuit and first, second controllable silicon;First, second controllable silicon is connected to motor AC power supply and motor and rotates forward, between the voltage input end of reversion;The phase voltage phase detection signal of MCU controller input phase voltage phase detecting module output and the current phase of current phase detection module output detect signal and process, output first controls signal to the first drive circuit, control the first silicon controlled angle of flow, thus control the input voltage that motor rotates forward, or output second controls signal to the second drive circuit, control the second silicon controlled angle of flow, thus control the input voltage of motor reversal.The present invention also proposes a kind of motor noise-reducing control method applied on intelligence clothes airing machine.Even if present invention motor light running, motor torque and the speed of service also will not increase, and noise is little.
Description
Technical field
The present invention relates to a kind of motor noise-reducing control circuit applied on intelligence clothes airing machine and method thereof.
Background technology
Along with the development of intelligence clothes airing machine industry, exchange tube shaped electric machine is widely used in realizing the lifting merit of intelligence clothes airing machine
Can, the control mode that exchange tube shaped electric machine is traditional at present all uses Control, uses the controlling party directly initiating relay
Formula drives exchange tube shaped electric machine work, and no matter the load of motor is light load or heavy duty, and relay is all full voltage work,
At rated loads, exchange tubulose motor stabilizing runs, and noise is the least, and under light load, exchange tube shaped electric machine is under full voltage
Torque increases, and linear velocity increases, and the motor speed of service increases, and promotes motor noise to increase.
Summary of the invention
The purpose of the present invention overcomes the deficiencies in the prior art exactly, it is provided that a kind of motor fall applied on intelligence clothes airing machine
Control circuit of making an uproar and method thereof, during motor light running, torque will not increase, and the speed of service will not increase, and motor noise is little.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of motor noise-reducing control circuit applied on intelligence clothes airing machine, including MCU controller, phase voltage phase-detection
Module, current phase detection module, the first drive circuit, the first controllable silicon, the second drive circuit and the second controllable silicon;
Phase voltage phase detecting module, detects the zero potential point phase place of motor AC power supply and exports;
Current phase detection module, detects the zero-current point phase place of motor load electric current and exports;
First controllable silicon, is connected between the voltage input end of motor AC power supply and motor rotating forward;
First drive circuit, output drive signal is to the first silicon controlled trigger electrode;
Second controllable silicon, is connected between motor AC power supply and the voltage input end of motor reversal;
Second drive circuit, output drive signal is to the second silicon controlled trigger electrode;
MCU controller, the phase voltage phase detection signal of input phase voltage phase detecting module output and current phase inspection
Surveying the current phase detection signal processing of module output, output first controls signal to the first drive circuit, controls the
The one silicon controlled angle of flow, thus control the input voltage that motor rotates forward, or output second controls signal to the second drive circuit,
Control the second silicon controlled angle of flow, thus control the input voltage of motor reversal.
In one embodiment, described first drive circuit and the second drive circuit, arbitrary drive circuit includes three poles
Pipe Q1, photoelectrical coupler IC1 and current-limiting resistance R2, R3, R4, described current-limiting resistance R4 is connected to MCU controller and audion Q1
Base stage between, described current-limiting resistance R3 is connected between the colelctor electrode of audion Q1 and the input of photoelectrical coupler IC1, institute
Stating current-limiting resistance R2 and be serially connected in the outfan of photoelectrical coupler IC1, this photoelectrical coupler IC1 output drive signal is to silicon controlled
Trigger electrode, triggers controlled silicon conducting.Described first controllable silicon and the second controllable silicon, arbitrary controllable silicon two ends connect RC and absorb electricity
Road, this RC absorbing circuit comprises the resistance R1 and electric capacity C1 being connected in series.
The present invention uses controllable silicon semiconductor switch components and parts, gathers phase voltage phase detection signal by MCU controller
Detecting signal with current phase, MCU controller is according to the voltage and current phase detection signal collected, the reality of detection motor
Band carries situation, then, carries situation according to the actual band of motor, sends control signal, controls the size of thyristor operating angle, thus
Control motor input voltage size, with control motor by rated power factor run so that the torque of motor and rotating speed are steady
Fixed, it is ensured that motor low noise runs.
Another technical scheme that the present invention uses is as follows:
A kind of motor noise-reducing control method applied on intelligence clothes airing machine, comprises the following steps:
1) specified rate φ 0, motor AC power supply zero potential point when this specified rate φ 0 is motor belt motor nominal load are set
Phase place and the difference of motor load current zero current point phase place, this specified rate φ 0 is obtained by reality test;
2) MCU controller output controllable silicon initial turn-on angle control signal, triggers controllable silicon by initially leading through drive circuit
Current flow angle turns on, thus controls the initial input voltage of motor;
3) phase voltage phase detection signal and the current phase of MCU controller input phase voltage phase detecting module output is examined
Surveying the current phase detection signal of module output, obtaining detection limit φ c, this detection limit φ c is the inspection of phase voltage phase detecting module
The motor load current zero electricity that motor AC power supply zero potential point phase place and the current phase detection module measured detects
The difference of flow point phase place, detection limit φ c and specified rate φ 0 is compared process, comprises by MCU controller:
If detection limit φ c is more than specified rate φ 0, then under MCU controller controls, progressively reduce silicon controlled conducting
Angle, thus progressively reduce the input voltage of motor, until the deviation of detection limit φ c and specified rate φ 0 is in allowed band;
If the deviation of detection limit φ c and specified rate φ 0 is in allowed band, then under MCU controller controls, controllable silicon
Turn on by the current angle of flow, keep the present input voltage of motor;
If detection limit φ c is less than specified rate φ 0, then under MCU controller controls, incrementally increase silicon controlled conducting
Angle, thus incrementally increase the input voltage of motor, until the deviation of detection limit φ c and specified rate φ 0 is in allowed band, or
Till the silicon controlled angle of flow is adjusted to maximum conduction angle.
In one embodiment, described progressively reduce or be stepped up the silicon controlled angle of flow, for: successively decrease by setting value
Or the incremental silicon controlled angle of flow, until the deviation of detection limit φ c and specified rate φ 0 is in allowed band.
In another embodiment, described progressively reduce or be stepped up the silicon controlled angle of flow, for: first by bigger
Setting value is successively decreased or is incremented by the silicon controlled angle of flow, when the deviation of detection limit φ c and specified rate φ 0 is in allowed band,
Successively decrease by less setting value again or be incremented by the silicon controlled angle of flow, until the deviation of detection limit φ c and specified rate φ 0 is allowing
In the range of.
The motor AC power supply zero potential point phase place that phase voltage phase detecting module detects detects with current phase
The difference of the motor load current zero current point phase place that module detects is detection limit φ c, and this detection limit φ c is exactly the merit of motor
Rate factor angle, the power factor of motor is power factor cosine of an angle, so, detect power-factor angle, be equivalent to detect merit
Rate factor, and the band that the size of the power factor size of motor or detection limit φ c reflects motor carries situation, motor is that perception is negative
Carry, the difference of the voltage-phase of motor AC power supply and the current phase of motor load than nominal load time phase contrast big,
Showing that motor is in light condition, at this moment, motor torque is constant, and load lightens, and rotating speed accelerates, and power factor is low, and noise is high, therefore
Need to reduce the input voltage of motor, to reduce motor torque, improve power factor, reduce noise.
The present invention utilizes MCU controller automatically to detect motor AC power supply and the phase relation of motor load electric current,
Carry situation by its actual band of phase difference detection motor, and be automatically adjusted the silicon controlled angle of flow accordingly, thus be automatically adjusted electricity
The input voltage of machine, makes the stabilization of speed of motor, it is ensured that motor power factor levels off to the motor power factor under nominal load,
Make motor operate in optimum state, reduce the noise produced due to load change, save the energy simultaneously.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of embodiment;
Fig. 2 is the control flow chart of embodiment;
Load current and the phase diagram of supply voltage when Fig. 3 is the motor underloading of embodiment;
Load current and the phase diagram of supply voltage when Fig. 4 is the Rated motor load of embodiment;
Fig. 5 is the controlled interval graph of controllable silicon SCR of embodiment;
Fig. 6 is the controllable silicon SCR circuit theory diagrams of embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawings the embodiment of the present invention is described in detail.
As it is shown in figure 1, embodiment include MCU controller, phase voltage phase detecting module, current phase detection module,
One drive circuit, the first controllable silicon SCR the 1, second drive circuit and the second controllable silicon SCR 2;Phase voltage phase detecting module detects
The zero potential point phase place of motor AC power supply also exports;The zero current of current phase detection module detection motor load electric current
Point phase place also exports;First controllable silicon SCR 1 is connected to motor AC power supply ACL and the voltage input end of motor rotating forward
Between ACK1;The trigger electrode of the first drive circuit output drive signal to the first controllable silicon SCR 1, triggers the first controllable silicon SCR 1
Conducting;Second controllable silicon SCR 2 is connected between motor AC power supply ACL and the voltage input end ACK2 of motor reversal;The
The trigger electrode of two drive circuit output drive signals to the second controllable silicon SCR 2, triggers the second controllable silicon SCR 2 and turns on;MCU controls
The phase voltage phase detection signal of device input phase voltage phase detecting module output and the electric current of current phase detection module output
Phase detection signal also processes, and exports the first control signal H1 to the first drive circuit, controls the first controllable silicon SCR 1
The angle of flow, thus control the input voltage that motor rotates forward, or output the second control signal H2 to the second drive circuit, control second
The angle of flow of controllable silicon SCR 2, thus control the input voltage of motor reversal.
As shown in Figure 6, the first drive circuit of embodiment and the second drive circuit, arbitrary drive circuit includes audion
Q1, photoelectrical coupler IC1 and current-limiting resistance R2, R3, R4, current-limiting resistance R4 is connected to MCU controller and the base stage of audion Q1
Between, current-limiting resistance R3 is connected between the colelctor electrode of audion Q1 and the input of photoelectrical coupler IC1, and current-limiting resistance R2 goes here and there
It is connected on the outfan of photoelectrical coupler IC1, the trigger electrode of this photoelectrical coupler IC1 output drive signal to controllable silicon SCR, triggers
Controllable silicon SCR turns on.First controllable silicon SCR 1 and the second controllable silicon SCR 2 of embodiment, arbitrary controllable silicon SCR two ends connect RC
Absorbing circuit, this RC absorbing circuit comprises the resistance R1 and electric capacity C1 being connected in series, is used for protecting controllable silicon SCR reliability service.
Controllable silicon SCR is switching device, MCU controller output control signal H, triggers controllable silicon SCR conducting through drive circuit.Such as Fig. 6
Shown in, when control signal H is high level, audion Q1 turns on, and photoelectrical coupler IC1 turns on, and drives controllable silicon SCR conducting,
Motor obtains electric operation;When control signal H is low level, audion Q1 ends, and photoelectrical coupler IC1 ends, and controllable silicon SCR exists
Cut-off near zero potential point, motor power-off is out of service.Adjust the time point of MCU controller output high-level control signal H, i.e.
Adjustable triggers the time point of controllable silicon SCR conducting, and adjusts the size of the controllable silicon SCR angle of flow, just can adjust electric moter voltage
The input voltage size of input ACK.
As in figure 2 it is shown, be the control flow chart of embodiment, when specified rate φ 0 is motor belt motor nominal load, motor AC supplies
Electricity power supply zero potential point phase place and the difference of motor load current zero current point phase place, actual test obtains;Detection limit φ c is phase
The motor AC power supply zero potential point phase place that voltage-phase detection module detects detects with current phase detection module
The difference of motor load current zero current point phase place, preferable optimal noise is that detection limit φ c is equal to specified rate φ 0.MCU controls
Device sends the control signal at controllable silicon initial turn-on angle, and through drive circuit to controllable silicon SCR, controllable silicon SCR is according to MCU controller
Control signal open the corresponding angle of flow and power to motor, phase voltage phase detecting module and current phase detection module conduct
Detection device, the zero potential point phase place of detection power supply and the zero-current point phase place of load current, feed back to MCU controller, MCU is controlled
Device processed is through comparison process, if φ is c > φ 0, illustrate that power-factor angle is too big, motor institute bringing onto load is too small, motor torque mistake
Greatly, rotating speed is too high, it is desirable to reduce the input voltage of motor, then gradually reduce thyristor operating angle, until the deviation of φ c Yu φ 0
In allowed band, if the deviation of φ c Yu φ 0 is in allowed band, it is maintained for the angle of flow that controllable silicon is current, keeps motor
Current input voltage, if φ is c, < φ 0, then explanation motor input voltage is too low, and motor torque is too small, and rotating speed is too low, needs
Increase motor input voltage, then be stepped up the silicon controlled angle of flow, until the deviation of φ c Yu φ 0 in allowed band or
Person is adjusted to the angle of flow of maximum.As shown in Figure 3 and Figure 4, represent that load is for load current and electricity during underloading and during nominal load
The phase diagram of source voltage, owing to alternating current generator is inductive load, so current lagging voltage, when during underloading, φ c is than nominal load
φ 0 is big, and φ c is the biggest, and power factor is the lowest, and motor institute bringing onto load is the lightest.As it is shown in figure 5, U1-t is source voltage curve figure,
A1, A2, A3 are zero potential point, and B1, B2, B3, C1, C2, C3 are approximation zero potential point, and U2-t is that the voltage after all wave rectification is bent
Line chart, U3-t is the curve chart of the phase voltage phase detection signal of phase voltage phase detecting module output, can from U3-t
Arriving, communication power supply U1 is interval at C1 to B1, and MCU controller detects high level, in C1 point position, detect low level to
High level saltus step, in B1 point position, detect high level to low transition, the time span of C1 to B1 be exactly high level time
Between length a, can test and obtain, the zero potential point phase place of communication power supply is exactly a/2 location point, and the saltus step of level is the most permissible
Detected by MCU controller.Current phase is detected by current phase detection module, in I-t curve chart, and D1, D2, D3 table
Show that the zero-current point of load current, communication power supply zero potential point are tc with time difference A11-D1 of load current zero-current point
MS, the frequency of mains supply is 50HZ, cycle T=20MS, and corresponding angle is 360 °, then φ c=tc/20*360 °.According to
The control characteristic of bidirectional triode thyristor no-voltage cut-off, controllable silicon is controlled in B1-C2, B2-C3 section, to the trigger electrode of bidirectional triode thyristor
Sending one and trigger pulse b, trigger bidirectional triode thyristor conducting, for ease of contrast sequential, this triggering pulse b is marked in U3-t, can
Control silicon, in A11-A12 mains half-cycle, turns in E-A12 section, and A11-E section is ended, and is also similar control at other voltage half cycle
System.Regulation triggers the time point E of controlled silicon conducting, it is simply that the size of regulation thyristor operating angle, thus regulates the input of motor
Voltage.
If silicon controlled initial turn-on angle is set as 80% conducting of civil power half period, then MCU controller sends
The control signal at controllable silicon initial turn-on angle, can be after time point communication power supply zero potential point being detected, time delay
2MS, sends control signal, triggers controlled silicon conducting through drive circuit, and the civil power half period is 10MS, then silicon controlled ON time
It is 8MS.Progressively reduce or be stepped up the silicon controlled angle of flow, as a example by being stepped up the silicon controlled angle of flow, such as setting value
For the 1% of the civil power half period, i.e. 0.1MS, then regulate by this setting value, the silicon controlled angle of flow is stepped up, it is simply that: controllable silicon
ON time press 8.1MS, 8.2MS, 8.3MS ... be stepped up, until the motor that phase voltage phase detecting module detects
The motor load current zero current point phase place that communication power supply zero potential point phase place and current phase detection module detect
Difference φ c, level off to motor belt motor nominal load time motor AC power supply zero potential point phase place and motor load current zero electricity
Difference φ 0 of flow point phase place, or increase to adjustable maximum conduction angle.For making governing speed faster, it is also possible to be: just open
Begin by bigger setting value, as regulated by the speed of the 5% of civil power half period, i.e. 0.5MS, close to again by less setting value
Regulation, as regulated by the speed of the 1% of civil power half period, i.e. 0.1MS, until the motor that phase voltage phase detecting module detects
The motor load current zero current point phase place that communication power supply zero potential point phase place and current phase detection module detect
Difference ф c level off to motor belt motor nominal load time motor AC power supply zero potential point phase place and motor load current zero electric current
Difference φ 0 of some phase place, or increase to adjustable maximum conduction angle.The zero potential point phase place of motor AC power supply is used
The zero potential point time value of motor AC power supply represents, the zero-current point phase place motor load current of motor load electric current
Zero-current point time value represent, equally, specified rate φ 0 be with during motor belt motor nominal load motor AC power supply zero electricity
Gesture point time value represents with the difference of the zero-current point time value of load current, and the detection limit φ c that MCU controller obtains is with phase
The zero potential point time value of the motor AC power supply that voltage-phase detection module detects is examined with current phase detection module
The difference of the zero-current point time value of the load current measured represents.
Motor runs under rated voltage, nominal load, and noise is minimum.
Due to the fact that and be provided with MCU controller, and be provided with detection device, i.e. phase voltage phase detecting module and electric current
Phase detecting module, therefore MCU controller can detect phase place and the phase of motor load electric current of motor AC power supply automatically
Position, carries situation by its actual band of phase difference detection motor, and carries situation according to the actual band of motor, send control signal, control
The size of thyristor operating angle processed, thus control the size of motor input voltage, make the stabilization of speed of motor, it is ensured that power of motor
Factor levels off to the motor power factor under nominal load, makes motor operate in optimum state, reduces and produces due to load change
Raw noise, saves the energy simultaneously.
In sum, a kind of motor noise-reducing control method applied on intelligence clothes airing machine of the present invention, comprise the following steps:
1) specified rate φ 0, motor AC power supply zero potential point when this specified rate φ 0 is motor belt motor nominal load are set
Phase place and the difference of motor load current zero current point phase place, this specified rate φ 0 is obtained by reality test;
2) MCU controller output controllable silicon initial turn-on angle control signal, triggers controllable silicon by initially leading through drive circuit
Current flow angle turns on, thus controls the initial input voltage of motor;
3) phase voltage phase detection signal and the current phase of MCU controller input phase voltage phase detecting module output is examined
Surveying the current phase detection signal of module output, obtaining detection limit φ c, this detection limit φ c is the inspection of phase voltage phase detecting module
The motor load current zero electricity that motor AC power supply zero potential point phase place and the current phase detection module measured detects
The difference of flow point phase place, detection limit φ c and specified rate φ 0 is compared process, comprises by MCU controller:
If detection limit φ c is more than specified rate φ 0, then under MCU controller controls, progressively reduce silicon controlled conducting
Angle, thus progressively reduce the input voltage of motor, until the deviation of detection limit φ c and specified rate φ 0 is in allowed band;
If the deviation of detection limit φ c and specified rate φ 0 is in allowed band, then under MCU controller controls, controllable silicon
Turn on by the current angle of flow, keep the present input voltage of motor;
If detection limit φ c is less than specified rate φ 0, then under MCU controller controls, incrementally increase silicon controlled conducting
Angle, thus incrementally increase the input voltage of motor, until the deviation of detection limit φ c and specified rate φ 0 is in allowed band, or
Till the silicon controlled angle of flow is adjusted to maximum conduction angle.
Described progressively reduce or be stepped up the silicon controlled angle of flow, for: successively decrease by setting value or be incremented by silicon controlled and lead
Current flow angle, until the deviation of detection limit φ c and specified rate φ 0 is in allowed band.
Described progressively reduce or be stepped up the silicon controlled angle of flow, for: first successively decreasing by bigger setting value or be incremented by can
The angle of flow of control silicon, when the deviation of detection limit φ c and specified rate φ 0 is in allowed band, then is passed by less setting value
Subtract or be incremented by the silicon controlled angle of flow, until the deviation of detection limit φ c and specified rate φ 0 is in allowed band.
Claims (6)
1. the motor noise-reducing control circuit applied on intelligence clothes airing machine, it is characterised in that: include MCU controller, mutually electricity
Press phase detecting module, current phase detection module, the first drive circuit, the first controllable silicon, the second drive circuit and second can
Control silicon;
Phase voltage phase detecting module, detects the zero potential point phase place of motor AC power supply and exports;
Current phase detection module, detects the zero-current point phase place of motor load electric current and exports;
First controllable silicon, is connected between the voltage input end of motor AC power supply and motor rotating forward;
First drive circuit;Output drive signal is to the first silicon controlled trigger electrode;
Second controllable silicon, is connected between motor AC power supply and the voltage input end of motor reversal;
Second drive circuit;Output drive signal is to the second silicon controlled trigger electrode;
MCU controller, the phase voltage phase detection signal of input phase voltage phase detecting module output and current phase detection mould
The current phase of block output detects signal and processes, and output first controls signal to the first drive circuit, and controlling first can
The angle of flow of control silicon, thus control the input voltage that motor rotates forward, or output second controls signal to the second drive circuit, controls
The second silicon controlled angle of flow, thus control the input voltage of motor reversal.
Control circuit the most according to claim 1, it is characterised in that: described first drive circuit and the second drive circuit,
Arbitrary drive circuit includes that audion Q1, photoelectrical coupler IC1 and current-limiting resistance R2, R3, R4, described current-limiting resistance R4 are connected to
Between the base stage of MCU controller and audion Q1, described current-limiting resistance R3 is connected to colelctor electrode and the photoelectric coupling of audion Q1
Between the input of device IC1, described current-limiting resistance R2 is serially connected in the outfan of photoelectrical coupler IC1, and IC1 is defeated for this photoelectrical coupler
Go out to drive signal to silicon controlled trigger electrode, trigger controlled silicon conducting.
Control circuit the most according to claim 1, it is characterised in that: described first controllable silicon and the second controllable silicon, arbitrary
Controllable silicon two ends connect RC absorbing circuit, and this RC absorbing circuit comprises the resistance R1 and electric capacity C1 being connected in series.
4. the motor noise-reducing control method applied on intelligence clothes airing machine, it is characterised in that: comprise the following steps:
1) specified rate φ 0, motor AC power supply zero potential point phase place when this specified rate φ 0 is motor belt motor nominal load are set
With the difference of motor load current zero current point phase place, this specified rate φ 0 is obtained by reality test;
2) MCU controller output controllable silicon initial turn-on angle control signal, triggers controllable silicon through drive circuit and presses initial turn-on angle
Conducting, thus control the initial input voltage of motor;
3) phase voltage phase detection signal and the current phase of MCU controller input phase voltage phase detecting module output detects mould
The current phase detection signal of block output, obtaining detection limit φ c, this detection limit φ c is that phase voltage phase detecting module detects
The motor load current zero current point that detects with current phase detection module of motor AC power supply zero potential point phase place
The difference of phase place, detection limit φ c and specified rate φ 0 is compared process, comprises by MCU controller:
If detection limit φ c is more than specified rate φ 0, then under MCU controller controls, progressively reduce the silicon controlled angle of flow, from
And progressively reduce the input voltage of motor, until the deviation of detection limit φ c and specified rate φ 0 is in allowed band;
If the deviation of detection limit φ c and specified rate φ 0 is in allowed band, then under MCU controller controls, controllable silicon is by working as
The front angle of flow turns on, and keeps the present input voltage of motor;
If detection limit φ c is less than specified rate φ 0, then, under MCU controller controls, incrementally increase the silicon controlled angle of flow, from
And incrementally increase the input voltage of motor, until the deviation of detection limit φ c and specified rate φ 0 is in allowed band, or until
Till the silicon controlled angle of flow is adjusted to maximum conduction angle.
Motor noise-reducing control method the most according to claim 4, it is characterised in that: described progressively reduce or be stepped up can
The angle of flow of control silicon, for: successively decrease by setting value or be incremented by the silicon controlled angle of flow, until detection limit φ c and specified rate φ's 0 is inclined
Difference is in allowed band.
Motor noise-reducing control method the most according to claim 4, it is characterised in that: described progressively reduce or be stepped up can
The angle of flow of control silicon, for: first successively decrease by bigger setting value or be incremented by the silicon controlled angle of flow, when detection limit φ c and specified rate
The deviation of φ 0 is in allowed band, then successively decreases by less setting value or be incremented by the silicon controlled angle of flow, until detection limit
The deviation of φ c and specified rate φ 0 is in allowed band.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610595881.5A CN106208886B (en) | 2016-07-26 | 2016-07-26 | A kind of motor noise-reducing control circuit applied on intelligent clothes airing machine and its method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610595881.5A CN106208886B (en) | 2016-07-26 | 2016-07-26 | A kind of motor noise-reducing control circuit applied on intelligent clothes airing machine and its method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106208886A true CN106208886A (en) | 2016-12-07 |
CN106208886B CN106208886B (en) | 2017-10-03 |
Family
ID=57495975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610595881.5A Active CN106208886B (en) | 2016-07-26 | 2016-07-26 | A kind of motor noise-reducing control circuit applied on intelligent clothes airing machine and its method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106208886B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107800347A (en) * | 2017-11-22 | 2018-03-13 | 广东美的制冷设备有限公司 | AC Motor Control method, AC motor control circuit and air conditioner |
CN108063570A (en) * | 2018-01-22 | 2018-05-22 | 安图实验仪器(郑州)有限公司 | Stepper motor torque self_adaptive adjusting system |
CN110658855A (en) * | 2019-09-12 | 2020-01-07 | 九牧厨卫股份有限公司 | Airing machine stroke control method |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201282444Y (en) * | 2008-09-27 | 2009-07-29 | 深圳市华太节能科技有限公司 | 380V three-phase motor phase control electricity-saving device |
CN202998004U (en) * | 2012-12-19 | 2013-06-12 | 宁波市佳鑫电子有限公司 | Intelligent power-saving controller of three-phase asynchronous motor |
CN203206176U (en) * | 2013-01-24 | 2013-09-18 | 珠海市蓝德节能科技有限公司 | Electricity saving device for motor |
CN105337557A (en) * | 2014-08-07 | 2016-02-17 | 陶建波 | Energy saver control system for three-phase asynchronous motor |
CN205864315U (en) * | 2016-07-26 | 2017-01-04 | 广东好太太科技集团股份有限公司 | A kind of motor noise-reducing control circuit applied on intelligence clothes airing machine |
-
2016
- 2016-07-26 CN CN201610595881.5A patent/CN106208886B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201282444Y (en) * | 2008-09-27 | 2009-07-29 | 深圳市华太节能科技有限公司 | 380V three-phase motor phase control electricity-saving device |
CN202998004U (en) * | 2012-12-19 | 2013-06-12 | 宁波市佳鑫电子有限公司 | Intelligent power-saving controller of three-phase asynchronous motor |
CN203206176U (en) * | 2013-01-24 | 2013-09-18 | 珠海市蓝德节能科技有限公司 | Electricity saving device for motor |
CN105337557A (en) * | 2014-08-07 | 2016-02-17 | 陶建波 | Energy saver control system for three-phase asynchronous motor |
CN205864315U (en) * | 2016-07-26 | 2017-01-04 | 广东好太太科技集团股份有限公司 | A kind of motor noise-reducing control circuit applied on intelligence clothes airing machine |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107800347A (en) * | 2017-11-22 | 2018-03-13 | 广东美的制冷设备有限公司 | AC Motor Control method, AC motor control circuit and air conditioner |
CN107800347B (en) * | 2017-11-22 | 2020-09-01 | 广东美的制冷设备有限公司 | Alternating current motor control method, alternating current motor control circuit and air conditioner |
CN108063570A (en) * | 2018-01-22 | 2018-05-22 | 安图实验仪器(郑州)有限公司 | Stepper motor torque self_adaptive adjusting system |
CN110658855A (en) * | 2019-09-12 | 2020-01-07 | 九牧厨卫股份有限公司 | Airing machine stroke control method |
Also Published As
Publication number | Publication date |
---|---|
CN106208886B (en) | 2017-10-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN205864315U (en) | A kind of motor noise-reducing control circuit applied on intelligence clothes airing machine | |
CN101207352B (en) | Control method and control device of power supply soft launch for intermittent power supply by balance beam type pumping unit | |
CN105060037B (en) | Brake control method and system | |
CN106208886A (en) | A kind of motor noise-reducing control circuit applied on intelligence clothes airing machine and method thereof | |
TWI446138B (en) | Wind power excitation synchronous generator system and control method thereof | |
CN106026787A (en) | Five-stage discrete frequency-conversion soft-start device based on power factor angle closed-loop control | |
US11723125B2 (en) | Method and system for a flicker-free light dimmer in an electricity distribution network | |
CN104333292A (en) | Load tracking type electricity saving device | |
CN102377385B (en) | Bypass variable-frequency controller with phase detection | |
CN104503529A (en) | Thyristor single-phase voltage adjusting circuit and control method thereof | |
CN201967167U (en) | Induction heating dual-cycle controller | |
CN208806765U (en) | The no load energy-saving device of monophase machine | |
CN101090252A (en) | Electric saving method for AC motor and corresponding AC motor electric saver | |
CN103280997B (en) | The rectification circuit of power adjustable | |
CN105553338B (en) | A kind of soft-starting method of MW | |
CN206041861U (en) | Automatic voltage regulation circuit on rolling slats door current motor controller | |
Lu et al. | Research and design of a multifunctional soft starter | |
CN201732275U (en) | Control device of plastic wire-receiving machine | |
CN206195667U (en) | Single -phase asynchronous fan stepless speed regulation control system of alternating current input | |
CN205787994U (en) | The pre-regulating circuit of exchange based on transistor | |
EP4145653A1 (en) | Short-circuit protection apparatus, short-circuit protection method for target circuit, and power conversion device | |
CN202998535U (en) | An intermediate-frequency induction heating power supply | |
CN218940978U (en) | Power supply circuit of single-phase motor | |
CN208046476U (en) | A kind of photovoltaic DC-to-AC converter and photovoltaic inversion equipment | |
CN204553301U (en) | A kind of ac fan multistep speed regulation circuit |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |