CN104967366B - The device of many DC brushless motor speeds is adjusted at a distance - Google Patents
The device of many DC brushless motor speeds is adjusted at a distance Download PDFInfo
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- CN104967366B CN104967366B CN201510386831.1A CN201510386831A CN104967366B CN 104967366 B CN104967366 B CN 104967366B CN 201510386831 A CN201510386831 A CN 201510386831A CN 104967366 B CN104967366 B CN 104967366B
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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
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/68—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more dc dynamo-electric motors
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Abstract
A kind of device for adjusting many DC brushless motor speeds at a distance, the device being made up of Commutation control unit, multiple speed regulation units is realized.Commutation control unit includes transformer, control power module, controllable rectifier module, zero passage detection module, single chip control module, trigger control module, speed preset module, input single-phase 220V AC powers, the controlled rectification voltage after transformer pressure-reducing is exported, the speed control signal comprising motor operation direction and speed of service grade is sent in controlled rectification voltage；Speed regulation unit includes regulation power supply module, waveform sampling module, single-chip microcomputer adjustment module, address given module, motor drive module, and the speed control signal in controlled rectification voltage controls the speed of DC brushless motor.Described device is without remote control, without individually laying control line, directly utilizes single phase poaer supply line transmit speed control signal, and the control and regulation of remote many DC brushless motor speeds can be achieved.
Description
Technical field
It is especially a kind of to adjust many DC brushless motor speeds at a distance the present invention relates to a kind of electric machine speed regulation technology
Device.
Background technology
When needing to carry out the speed of DC brushless motor remote control with regulation, usual way has：
One is to use remote control control.The drive control circuit of DC brushless motor is equipped with remote-receiver, Ke Yitong
Cross remote control and step speed regulation either stepless speed regulation is carried out to DC brushless motor, it has the disadvantage to need to be equipped with remote control, management
Trouble, remote control is also easy to lose.
Two be to use digital control technology.For example, being controlled using RS-485 buses come the speed to DC brushless motor
System.Program advanced technology, but cost is high, and system is in addition to needing to lay power line, in addition it is also necessary to lay digital control bus.
Three be to use analog signal control technology.For example, carrying out speed control using long-range potentiometer, cost is relatively low.But
This method needs also exist for increasing control line, and antijamming capability is poor.
The content of the invention
The purpose of the present invention aim to provide it is a kind of do not increase control signal wire and without using remote control in the case of, utilize
Single phase poaer supply line realizes the device for adjusting many DC brushless motor speeds at a distance.
To reach above-mentioned purpose, the present invention is adopted the technical scheme that：
A kind of device for adjusting many DC brushless motor speeds at a distance, is adjusted by Commutation control unit and m speed
The device of unit composition is realized；M is the integer more than or equal to 2.
The Commutation control unit is provided with phase line input terminal, zero line input terminal, the first controlled rectification lead-out terminal, the
Two controlled rectification lead-out terminals；The phase line input terminal, zero line input terminal input single-phase 220V AC powers；Described first
Controlled rectification lead-out terminal, the second controlled rectification lead-out terminal output controlled rectification voltage.
The speed regulation unit is provided with the first controlled rectification input terminal, the second controlled rectification input terminal, described the
The first controlled rectification that one controlled rectification input terminal, the second controlled rectification input terminal are respectively connecting to Commutation control unit is defeated
Go out terminal, the second controlled rectification lead-out terminal.
The Commutation control unit is by transformer, control power module, controllable rectifier module, zero passage detection module, monolithic
Machine control module, trigger control module, speed preset module composition.
Two input terminals of the transformer are respectively phase line input terminal, zero line input terminal, two lead-out terminals
Respectively the first ac terminal, the second ac terminal；First ac terminal, the second ac terminal export the second alternating current
Source.
The control power module is made up of control power supply single-phase rectification bridge and the first filter regulator circuit, and output first is straight
Flow working power；Two ac input ends of the control power supply single-phase rectification bridge are respectively connecting to the first ac terminal, second
Ac terminal；The rectification negative polarity end for controlling power supply single-phase rectification bridge is publicly.
The controllable rectifier module is by rectifier bridge UR1, bidirectional thyristor V1, bidirectional thyristor V2, bidirectional thyristor V3, double
Constituted to IGCT V4；2 ac input ends of the rectifier bridge UR1 are respectively connecting to the first ac terminal and the second exchange end
Son, rectification output plus terminal is connected to bidirectional thyristor V3 second plate, and rectification output negative terminal is connected to bidirectional thyristor V4's
Second plate；It is controllable whole that first is connected to after the bidirectional thyristor V1 first anode is in parallel with the bidirectional thyristor V3 first anode
Flow lead-out terminal；Bidirectional thyristor V1 second plate is connected to the first ac terminal；The bidirectional thyristor V2 first anode with
The second controlled rectification lead-out terminal is connected to after the bidirectional thyristor V4 first anode is in parallel；Bidirectional thyristor V2 second plate
It is connected to the second ac terminal.
The trigger control module is provided with exchange control signal, rectification control signal；The exchange control signal
When the AC controling signal of input is effective, trigger control module controls to trigger when bidirectional thyristor V1 and bidirectional thyristor V2 zero passages
Conducting；When the AC controling signal of the exchange control signal input is invalid, trigger control module control bidirectional thyristor V1
End with after bidirectional thyristor V2 zero passages；When the rectification control signal of the rectification control signal input is effective, triggering control
Module controls bidirectional thyristor V3 and triggering and conducting during bidirectional thyristor V4 zero passages；The rectification of the rectification control signal input
When control signal is invalid, end after trigger control module control bidirectional thyristor V3 and bidirectional thyristor V4 zero passages.
The zero passage detection module is provided with zero passage voltage input, zero-crossing pulse output end；The zero passage voltage input
Two terminals be respectively connecting to the first ac terminal and the second ac terminal；The zero passage arteries and veins of the zero-crossing pulse output end output
Punching is positive pulse；The zero-crossing pulse is corresponding with the second AC power positive half-wave；The width of the zero-crossing pulse is less than second and handed over
Flow power supply positive half-wave width；The second AC power positive half-wave is that the first ac terminal current potential is higher than the second ac terminal current potential
The second AC power half-wave.
The speed preset module is provided with speed preset signal output part and direction Setting signal output end.
The single chip control module includes speed preset signal input part, direction Setting signal input, catches letter
Number input and two-way level signal output end；The speed preset signal input part be connected to the speed of speed preset module to
Determine signal output part；The direction Setting signal input is connected to the direction Setting signal output end of speed preset module；Institute
State the zero-crossing pulse output end that signal acquisition input is connected to zero passage detection module；The two-way level signal output end difference
For exchange control output end, rectification control output end；The exchange control output end, rectification control output end are respectively connecting to touch
Send out exchange control signal, the rectification control signal of control module.
The speed regulation unit is by regulation power supply module, waveform sampling module, single-chip microcomputer adjustment module, address to cover half
Block, motor drive module composition.
The regulation power supply module input controlled rectification voltage, the second DC supply of output, it is single-phase by regulation power supply
Rectifier bridge and the second filter regulator circuit composition；The rectification negative polarity end of the regulation power supply single-phase rectification bridge is reference ground.
The waveform sampling module is provided with sampling Waveform Input end and sampling pulse output end；The sampling Waveform Input end
It is connected to the second controlled rectification input terminal；Second controlled rectification input terminal current potential is higher than first by the waveform sampling module
Simultaneously amplitude limit obtains sampling pulse for the waveform detection of controlled rectification input terminal current potential；The positive pulse of the sampling pulse and second can
Control rectification input terminal current potential corresponding higher than the waveform of the first controlled rectification input terminal current potential.
The address, which gives module, is used for the address code of speed regulation unit where setting, provided with address code output end.
The single-chip microcomputer adjustment module, which has, catches input, address code input and speed regulation output end, direction control
Output end processed, control for brake output end；The seizure input of the single-chip microcomputer adjustment module is connected to taking for waveform sampling module
Sample pulse output end；The address code input is connected to the address code output end that address gives module.
The motor drive module is used to drive DC brushless motor, provided with speed regulation input, direction controlling input
End, control for brake input；The speed regulation input is connected to the speed regulation output end of single-chip microcomputer adjustment module, direction
Control signal is connected to the direction controlling output end of single-chip microcomputer adjustment module, and control for brake input is connected to single-chip microcomputer regulation
The control for brake output end of module.
The Commutation control unit is by controlling controlled rectification voltage come transmission speed control signal；The speed control letter
Number by guide wave and data wave component.
The guide wave by y power frequency period rectification wave component；Y is the integer more than or equal to 1；The data wave is x
The controlled rectification voltage wave of individual power frequency period, x is the integer more than or equal to 3.
In the controlled rectification voltage wave of the x power frequency period, 1 power frequency period 1 numeric data code of correspondence；X power frequency week
The controlled rectification voltage wave correspondence x-bit data code of phase.
The x-bit data code includes address code, direction code and speed code；The numeric data code, address code, direction code, speed
It is binary code to spend code.
The speed regulation unit receives speed control signal and adjusts DC brushless motor speed.
The zero passage detection module is made up of diode D1, resistance R9, voltage-stabiliser tube DW1, provided with zero passage voltage input, mistake
Zero pulse output end；Resistance R9 two ends are respectively connecting to diode D1 negative electrodes and voltage-stabiliser tube DW1 negative electrodes；Diode D1 anodes are
Zero passage voltage input, is connected to the first ac terminal；Voltage-stabiliser tube DW1 anodes are connected to publicly；Voltage-stabiliser tube DW1 negative electrodes were
Zero pulse output end.
The waveform sampling module is provided with sampling Waveform Input end and sampling pulse output end, by diode D2, resistance
R12, voltage-stabiliser tube DW2 are constituted；Resistance R12 two ends are respectively connecting to diode D2 negative electrodes and voltage-stabiliser tube DW2 negative electrodes；Diode D2
Anode is sampling Waveform Input end, is connected to the second controlled rectification input terminal；Voltage-stabiliser tube DW2 anodes are connected to reference ground；Surely
Pressure pipe DW2 negative electrodes are sampling pulse output end.
The speed preset module includes potentiometer.The speed preset module includes direction switch.
The input signal of the speed regulation input of the motor drive module is pwm pulse or analog voltage.
The beneficial effects of the invention are as follows using many DC brushless motor speeds of power line far distance controlled and operation side
To without remote control, without control line；DC brushless motor speed can be divided into multiple grades as needed；Using rectified wave
Transfer rate control signal, its virtual value is identical with waves AC, power supply when not resulting in DC brushless motor speed regulation
It is unstable.
Brief description of the drawings
Fig. 1 is embodiment system architecture diagram.
Fig. 2 is Commutation control unit structure chart.
Fig. 3 is controllable rectifier module embodiment circuit diagram.
Fig. 4 is trigger control module embodiment circuit diagram.
Fig. 5 is control section embodiment circuit diagram in Commutation control unit.
Waveform diagram when Fig. 6 is transmission speed control signal.
Fig. 7 is speed control signal sending method.
Fig. 8 is speed regulation unit structure chart.
Fig. 9 is speed regulation unit regulation section Example circuit diagram.
Figure 10 is the circuit diagram of motor drive module embodiment 1.
Figure 11 is the circuit diagram of motor drive module embodiment 2.
Figure 12 is that speed is received and adjusting method.
Embodiment
Below by accompanying drawing and the present invention is described in further detail in conjunction with the embodiments, but embodiments of the present invention
Not limited to this.
Apparatus of the present invention are made up of Commutation control unit and m speed regulation unit, and m is the integer more than or equal to 2.Have 3
The system structure of device block diagram of individual speed regulation unit is as shown in figure 1, Commutation control unit is defeated by phase line input terminal L, zero line
Enter terminal N input single-phase 220V AC powers, by the first controlled rectification lead-out terminal AC1, the second controlled rectification lead-out terminal AC2
Export controlled rectification voltage.1-3# speed regulation units are defeated by the first controlled rectification input terminal AC1, the second controlled rectification
Enter terminal AC2 input controlled rectification voltages and control DC brushless motor speed.
The structure of Commutation control unit by transformer, control power module, controllable rectifier module, zero passage as shown in Fig. 2 examined
Survey module, single chip control module, trigger control module, speed preset module composition.
Two input terminals of transformer are respectively phase line input terminal L, zero line input terminal N, two lead-out terminals point
Wei not the first ac terminal L1, the second ac terminal N1.First ac terminal L1, the second ac terminal N1 export the second alternating current
Source.The voltage effective value of second AC power is effective less than the voltage for the single-phase 220V AC powers that Commutation control unit is inputted
Value.
The embodiment of controllable rectifier module as shown in figure 3, by rectifier bridge UR1, bidirectional thyristor V1, bidirectional thyristor V2,
Bidirectional thyristor V3, bidirectional thyristor V4 are constituted.Rectifier bridge UR1 2 ac input ends are respectively connecting to the first ac terminal
L1 and the second ac terminal N1, rectification output plus terminal is connected to bidirectional thyristor V3 second plate, rectification output negative terminal connection
To bidirectional thyristor V4 second plate；After the bidirectional thyristor V1 first anode is in parallel with the bidirectional thyristor V3 first anode
It is connected to the first controlled rectification lead-out terminal AC1；Bidirectional thyristor V1 second plate is connected to the first ac terminal L1；It is two-way
The second controlled rectification lead-out terminal is connected to after the IGCT V2 first anode is in parallel with the bidirectional thyristor V4 first anode
AC2；Bidirectional thyristor V2 second plate is connected to the second ac terminal N1.
Bidirectional thyristor V1 trigger pulse is inputted from its control pole K11 and first anode K12, and bidirectional thyristor V2's touches
Send out pulse to input from its control pole K21 and first anode K22, bidirectional thyristor V3 trigger pulse is from its control pole K31 and the
One anode K32 is inputted, and bidirectional thyristor V4 trigger pulse is inputted from its control pole K41 and first anode K42.
Rectifier bridge UR1 uses single-phase rectification bridge stack, or is replaced using 4 diode composition single-phase rectification bridges.
Trigger control module is the circuit for meeting following functions：Provided with exchange control signal, rectification control signal；Hand over
When the AC controling signal of flow control input input is effective, trigger control module control bidirectional thyristor V1 and bidirectional thyristor
Triggering and conducting during V2 zero passages；When the AC controling signal of exchange control signal input is invalid, trigger control module control is two-way
End after IGCT V1 and bidirectional thyristor V2 zero passages；When the rectification control signal of rectification control signal input is effective, triggering
Control module controls bidirectional thyristor V3 and triggering and conducting during bidirectional thyristor V4 zero passages；The rectification of rectification control signal input
When control signal is invalid, end after trigger control module control bidirectional thyristor V3 and bidirectional thyristor V4 zero passages.
The embodiment of trigger control module is as shown in figure 4, by zero cross fired optocoupler U1-U4 and input current-limiting resistance R1-
R4, output current limiting resistance R5-R8 are constituted, provided with exchange control signal KJ, rectification control signal KZ.Zero cross fired optocoupler
U1-U4 inside includes input light emitting diode, output optical controlled bidirectional thyrister, and zero-cross triggering circuit.Zero cross fired
Optocoupler U1-U4 model is selected in MOC3041, MOC3042, MOC3043, MOC3061, MOC3062, MOC3063.
Input current-limiting resistance R1 connects with zero cross fired optocoupler U1 input light emitting diode, and series circuit is connected in parallel to the again
One DC supply VDD1 with exchange control signal KJ.Input current-limiting resistance R1 is connected on zero cross fired optocoupler U1 input
Light-emitting diodes tube anode, as shown in Figure 4；Input current-limiting resistance R1 can also be connected on zero cross fired optocoupler U1 input luminous two
The negative electrode of pole pipe.
Input current-limiting resistance R2 connects with zero cross fired optocoupler U2 input light emitting diode, and series circuit is connected in parallel to the again
One DC supply VDD1 with exchange control signal KJ.The input for inputting current-limiting resistance R3 and zero cross fired optocoupler U3 lights
Diode series, series circuit is connected in parallel to the first DC supply VDD1 and rectification control signal KZ again.Input current limliting electricity
Resistance R4 connects with zero cross fired optocoupler U4 input light emitting diode, and series circuit is connected in parallel to the first DC supply VDD1 again
With rectification control signal KZ.Input current-limiting resistance R2-R4 can be connected on the input light-emitting diodes of corresponding zero cross fired optocoupler
Tube anode, as shown in Figure 4；The input light-emitting diodes tube cathode of corresponding zero cross fired optocoupler can also be connected on.
Output current limiting resistance R5 is connected in parallel to double again after being connected with output optical controlled bidirectional thyrister inside zero cross fired optocoupler U1
To IGCT V1 control pole K11 and first anode K12；Output is light-operated inside output current limiting resistance R6 and zero cross fired optocoupler U2
Bidirectional thyristor V2 control pole K21 and first anode K22 are connected in parallel to after bidirectional thyristor series connection again；Output current limiting resistance R7 with
It is connected in parallel to bidirectional thyristor V3 control pole K31 and the inside zero cross fired optocoupler U3 after the series connection of output optical controlled bidirectional thyrister again
One anode K32；Output current limiting resistance R8 is connected in parallel to again after being connected with output optical controlled bidirectional thyrister inside zero cross fired optocoupler U4
Bidirectional thyristor V4 control pole K41 and first anode K42.
Control section includes control power module, zero passage detection module, single chip control module, speed in Commutation control unit
The given module of degree, embodiment circuit is as shown in Figure 5.
It is the second AC power to control power module input, is output as the first DC operation provided to Commutation control unit
Power vd D1.In Fig. 5 embodiments, control power module is by diode D01, diode D02, diode D03, diode D04, electricity
Hold C1, three terminal regulator U5 composition.Diode D01, diode D02, diode D03, diode D04 composition control power supplys are single-phase
Rectifier bridge；Electric capacity C1 is connected in parallel on the DC voltage output end of control power supply single-phase rectification bridge, strobes；Three terminal regulator U5
Input VIN is connected to the rectification positive ends of control power supply single-phase rectification bridge；First DC supply VDD1 is steady from three ends
Depressor U5 output ends VOUT is exported.The rectification negative polarity end of power supply single-phase rectification bridge is controlled for publicly.Three terminal regulator U5 is selected
Select H7133.
Control power module can also use other implementations.Diode D01, diode D02, diode D03, two poles
The control power supply single-phase rectification bridge of pipe D04 compositions can be replaced with single-phase rectification bridge stack, and three terminal regulator U5 can use voltage stabilizing
Pipe mu balanced circuit or DC/DC voltage-stablizers.
Zero passage detection module is the circuit with following functions：Provided with zero passage voltage input, zero-crossing pulse output end；Cross
No-voltage input is connected to the first ac terminal；The zero-crossing pulse of zero-crossing pulse output end output is positive pulse；Zero-crossing pulse
It is corresponding with the second AC power positive half-wave；The width of zero-crossing pulse is less than the second AC power positive half-wave width；Second alternating current
Source positive half-wave is the second AC power half-wave that the first ac terminal current potential is higher than the second ac terminal current potential.
In Fig. 5 embodiments, zero passage detection module is detection shaping circuit, by diode D1, resistance R9, voltage-stabiliser tube DW1 groups
Into.Resistance R9 two ends are respectively connecting to diode D1 negative electrodes and voltage-stabiliser tube DW1 negative electrodes, and diode D1 anodes are connected to the first friendship
Terminal L1 is flowed, voltage-stabiliser tube DW1 anodes are connected to publicly.Voltage-stabiliser tube DW1 negative electrodes export for the zero-crossing pulse of output zero-crossing pulse
End.
Speed preset module is provided with speed preset signal output part output speed Setting signal.The speed of speed preset signal
Grade is speed 1-n；N is the integer more than or equal to 2.There is the device of m speed regulation unit, the output of its speed preset module
Speed preset signal include and the one-to-one speed class signal of m speed regulation unit.In Fig. 5 embodiments, speed
Given module carries out partial pressure to the first DC supply VDD1 respectively using potentiometer RW1, potentiometer RW2, potentiometer RW3,
Potentiometer RW1, potentiometer RW2, potentiometer RW3 partial pressure output end constitute jointly speed preset signal output part, obtained speed
Setting signal is spent for speed preset voltage V1 corresponding with 1-3# speed regulation units, speed preset voltage V2, speed are given respectively
Determine voltage V3.Speed preset voltage V1, speed preset voltage V2, speed preset voltage V3 are divided into n voltage range, respectively
Speed class of the voltage range respectively with speed preset signal is corresponding, and minimum voltage interval corresponding speed 1, ceiling voltage interval is right
Answer speed n.
Speed preset module is additionally provided with direction Setting signal output end outbound course Setting signal, has m speed regulation single
The device of member, the direction Setting signal that its speed preset module is exported includes square correspondingly with m speed regulation unit
To semaphore.In Fig. 5 embodiments, speed preset module is defeated using direction switch SWD1, direction switch SWD2, direction switch SWD3
Go out direction corresponding with 1-3# speed regulation units specified rate.Direction switch SWD1, direction switch SWD2, direction switch SWD3
One termination publicly, other end be direction specified rate output end, constitute jointly direction Setting signal output end.
Single chip control module includes speed preset signal input part, and direction Setting signal input, signal acquisition is defeated
Enter end, 2 tunnel level signal output ends.Speed preset signal input part is connected to the speed preset signal output of speed preset module
End；Direction Setting signal input is connected to the direction Setting signal output end of speed preset module；Signal acquisition input connects
The zero-crossing pulse output end of zero passage detection module is connected to, zero-crossing pulse is inputted；2 tunnel level signal output ends are exchange control output
KJ, rectification control output end KZ are held, exchange control signal KJ, the rectification control signal of trigger control module is respectively connecting to
KZ。
In Fig. 5 embodiments, single chip control module is made up of single-chip microprocessor MCU 1, crystal oscillator XT1, single-chip microprocessor MCU 1
Model is MSP430G2553.Analog voltage input A0, A1, A2 of single-chip microprocessor MCU 1 are speed preset signal input part, current potential
Device RW1, potentiometer RW2, potentiometer RW3 output voltage are respectively connecting to A0, A1, A2.If sent out using other devices
Guan Liang, digital quantity form speed preset signal, can be inputted from the I/O mouths of single-chip microprocessor MCU 1.Single-chip microprocessor MCU 1 is by mould
The speed preset voltage for intending voltage input end A0, A1, A2 input carries out A/D conversions, or reads I/O mouthfuls of input signal,
Obtain the speed class of speed preset signal.The P2.0 of single-chip microprocessor MCU 1 is signal acquisition input, is connected to zero passage detection mould
The zero-crossing pulse output end of block.P1.3, P1.4, P1.5 of single-chip microprocessor MCU 1 are direction Setting signal inputs, P1.3, P1.4,
P1.5 be respectively connecting to direction switch SWD1 in speed preset module, direction switch SWD2, direction switch SWD3 direction give
Measure output end.P1.6, P1.7 of single-chip microprocessor MCU 1 are level signal output ends, and wherein P1.6 is exchange control output end KJ,
P1.7 is rectification control output end KZ；Exchange control output end KJ, rectification control output end KZ are respectively connecting to triggering control mould
Exchange control signal KJ, the rectification control signal KZ of block.
The first controlled rectification lead-out terminal AC1, the second controlled rectification lead-out terminal AC2 output of Commutation control unit are controllable
Commutating voltage, Commutation control unit is by controlling controlled rectification voltage come transmission speed control signal, and speed control signal is by drawing
Guided wave and data wave component.The virtual value of controlled rectification voltage is identical with the voltage effective value of the second AC power.
The speed control signal has speed 1-n, common n speed class.
The guide wave is by y power frequency period rectification wave component, and y is the integer more than or equal to 1.
The data wave is the controlled rectification voltage wave of x power frequency period, and x is the integer more than or equal to 3.Speed control is believed
Correspond number between the speed 1-n of speed class and the speed 1-n of speed preset signal speed grade.The speed of speed class
1 corresponding DC brushless motor state is spent for on-position.
In the controlled rectification voltage wave of x power frequency period, 1 power frequency period, 1 numeric data code of correspondence, x power frequency period
Controlled rectification voltage wave correspondence x-bit data code；In each power frequency period, when its controlled rectification voltage wave is waves AC, corresponding 1
Position numeric data code is 0；In each power frequency period, when its controlled rectification voltage wave is rectified wave, corresponding 1 numeric data code is 1.Or
Be x power frequency period controlled rectification voltage wave in, 1 power frequency period, 1 numeric data code of correspondence；In each power frequency period, it can
When controlling commutating voltage ripple for waves AC, corresponding 1 numeric data code is 1；In each power frequency period, its controlled rectification voltage wave is whole
When flowing ripple, corresponding 1 numeric data code is 0.
The x-bit data code includes x1Bit address code, 1 direction code and x2Bit rate code；x1、x2It is to be more than or equal to 1
Integer；x、x1、x2Between relation be x=x1+x2+1；M and x1Between relation be：M is less than or equal to 2x1；N and x2Between
Relation is：N is less than or equal to 2x2；During composition data code, the sequencing between address code, direction code and speed code can freely pacify
Row, arranges not change after determining.Speed code is determined that direction code is determined by direction Setting signal by speed preset signal.The number
It is binary code according to code, address code, direction code, speed code.
Waveform embodiment is as shown in Figure 6 during Commutation control unit transmission speed control signal.Y etc. in embodiment illustrated in fig. 6
It is equal to 7 in 2, x；Wherein x1Equal to 2,4 speed regulation units can be at most controlled, when address code is 00-11, are represented respectively
Control 1-4# speed regulation units；x2Equal to 4, shared totally 16 speed class of representation speed control signal, speed code 0000-
1111 represent the speed 1-16 of speed class respectively.In embodiment illustrated in fig. 6, the sequencing of composition data code is followed successively by ground
Location code, direction code, speed code.
What Fig. 6 was sent is to control 2# speed regulation unit DC brushless motors inverted running, speed class to be speed 13
Speed control signal.Fig. 6 (a) is the waveform of controlled rectification voltage, and T1 therein interval is guide wave, by 2 power frequency periods
Rectification wave component.T2 intervals are the controlled rectification voltage wave of the power frequency period of data wave, i.e., 7.T3 intervals and ground during T2 is interval
Interval, the T5 interval corresponding with direction code of location code correspondence, T4 and speed code correspondence.The controlled rectification of 7 power frequency periods of embodiment
In voltage wave, 1 power frequency period 1 numeric data code of correspondence；In each power frequency period, when its controlled rectification voltage wave is waves AC,
Corresponding numeric data code is 0；In each power frequency period, when its controlled rectification voltage wave is rectified wave, corresponding numeric data code is 1；7
Power frequency period is followed successively by waves AC, rectified wave, rectified wave, rectified wave, rectified wave, waves AC, waves AC, corresponding 7 data
Code is 0111100.First 2 of 7 numeric data codes are address codes 01, represent control 2# speed regulation units；The 3rd of 7 numeric data codes
Position is direction code 1, represents control DC brushless motor inverted running；Latter 4 of 7 numeric data codes are speed codes 1100, represent control
The speed class of DC brushless motor processed is speed 13.
When DC brushless motor is without control direction, the x-bit data code is by x1Bit address code and x2Bit rate code composition,
x、x1、x2Between relation be x=x1+x2。
The step of single chip control module sends a speed control signal is as follows：
Step 1, step 2 is entered when waiting until the rising edge for receiving zero-crossing pulse；
Step 2, stop exchange output, start rectification output；
Step 3, the zero-crossing pulse rising edge received is counted, count value enters step 4 when reaching y；
Step 4, the controlled rectification voltage wave of 1 power frequency period is sent；
Step 5, step 6 is entered when waiting until the rising edge for receiving zero-crossing pulse；
Step 6, have been sent from going to step 7 during the controlled rectification voltage wave of x power frequency period, otherwise return to step 5；
Step 7, stop rectification output, start exchange output.
Commutation control unit is not when normal maintenance sends speed control signal state, and single chip control module control is handed over
Flow control output end KJ exports useful signal, and rectification control output end KZ exports invalid signals, zero cross fired optocoupler U1's and U2
Input LEDs ON, zero cross fired optocoupler U3 and U4 input light emitting diode cut-off, bidirectional thyristor V1, two-way crystalline substance
Brake tube V2 is turned on, bidirectional thyristor V3, bidirectional thyristor V4 cut-off, the first controlled rectification lead-out terminal AC1, the second controlled rectification
The controlled rectification voltage of lead-out terminal AC2 outputs is alternating voltage.In the embodiment shown in fig. 4, single chip control module is defeated
Exchange control output end KJ, the rectification control output end KZ signal gone out is that low level is effective.
The zero-crossing pulse of the output of zero passage detection module shown in Fig. 5 is corresponding with the positive half-wave of the second AC power, and zero passage arteries and veins
The width of punching is less than the second AC power positive half-wave width.The second AC power positive half-wave is that the first ac terminal current potential is high
In the second AC power half-wave of the second ac terminal current potential.
Single chip control module is detected after the zero-crossing pulse rising edge corresponding with half-wave in Fig. 61, into step 2.Institute
Stopping exchange output is stated, refers to control exchange control output end KJ output invalid signals, from next mistake of the second AC power
Zero point starts, bidirectional thyristor V1, bidirectional thyristor V2 cut-off；The beginning rectification output, refers to control rectification control output
KZ output useful signals are held, since next zero crossing of the second AC power, bidirectional thyristor V3, bidirectional thyristor V4 are led
Logical, the controlled rectification voltage of the first controlled rectification lead-out terminal AC1, the second controlled rectification lead-out terminal AC2 output is rectified current
Pressure.
The stopping rectification output, refers to control rectification control output end KZ output invalid signals, from the second AC power
Next zero crossing start, bidirectional thyristor V3, bidirectional thyristor V4 cut-off；It is described to start exchange output, refer to that control is handed over
Flow control output end KJ exports useful signal, since next zero crossing of the second AC power, bidirectional thyristor V1, two-way
IGCT V2 is turned on, the controlled rectification electricity of the first controlled rectification lead-out terminal AC1, the second controlled rectification lead-out terminal AC2 output
Press as alternating voltage.
The controlled rectification voltage wave for sending 1 power frequency period, its method is the power frequency period for judging to need to send
Controlled rectification voltage wave be waves AC or rectified wave, if waves AC, then stop rectification output, start exchange output；
If rectified wave, then stop exchange output, start rectification output.
Each single power frequency period in the controlled rectification voltage wave is waves AC, or rectified wave；Single power frequency period
Waves AC by 1 single phase alternating current power supply positive half-wave and minus half wave component of 1 single phase alternating current power supply, positive half-wave bears half-wave preceding
Rear；The rectified wave of single power frequency period is made up of 2 rectified half-waves, first rectified half-waves and the second AC power positive half-wave pair
Should, it is corresponding that second rectified half-waves bears half-wave with the second AC power.The time of the power frequency period is 20ms.The either simplex frequency
Cycle is 1 power frequency period.
The method of Commutation control unit transmission speed control signal as shown in fig. 7, comprises：
Step A, reads Setting signal；
Step B, sends a speed control signal to all speed regulation units successively；
Step C, judges whether speed changes, and speed changes, and goes to step D；Speed does not change, and returns
Return step C；
Step D, constitutes speed control signal and sends；Return to step C.
A speed control signal is sent to all speed regulation units successively, the purpose is to each speed regulation unit
Initial velocity control signal is sent, respective initial velocity is controlled.
It is to have speed class to change in speed preset signal, Huo Zheyou to judge the method whether speed changes
Direction Setting signal changes, then speed changes.
Composition speed control signal is simultaneously sent, and method is, when the corresponding speed class of certain speed regulation unit changes
When either direction Setting signal changes, the speed class after change, direction Setting signal are converted into corresponding speed
Code, direction code, composition data code, is converted into speed control signal and sends together with the address code of the speed regulation unit.
The structure of speed regulation unit by regulation power supply module, waveform sampling module, single-chip microcomputer as shown in figure 8, adjust mould
Block, address give module, motor drive module composition.The circuit structure and operation principle of all m speed regulation units are complete
Equally.
The adjustment portion of speed regulation unit point include regulation power supply module, waveform sampling module, single-chip microcomputer adjustment module,
Location gives module, and embodiment is as shown in Figure 9.
Regulation power supply module provides the second DC supply VDD2 for speed regulation unit.In Fig. 9 embodiments, regulation electricity
Source module is made up of diode D05, diode D06, diode D07, diode D08, electric capacity C2, three terminal regulator U6.Two poles
Pipe D05, diode D06, diode D07, diode D08 composition regulation power supply single-phase rectification bridges；Electric capacity C2 is connected in parallel on regulation electricity
The DC voltage output end of source single-phase rectification bridge, strobes；Three terminal regulator U6 inputs VIN is connected to regulation power supply list
The rectification positive ends of commutating phase bridge；Second DC supply VDD2 is exported from three terminal regulator U6 output ends VOUT.Regulation
The rectification negative polarity end of power supply single-phase rectification bridge is reference ground.Three terminal regulator U6 selects H7133.
Regulation power supply module can also use other implementations.Diode D05, diode D06, diode D07, two poles
The regulation power supply single-phase rectification bridge of pipe D08 compositions can be replaced with single-phase rectification bridge stack, and three terminal regulator U6 can use voltage stabilizing
Pipe mu balanced circuit or DC/DC voltage-stablizers.
Waveform sampling module is the circuit with following functions：Provided with sampling Waveform Input end and sampling pulse output end；
Sampling Waveform Input end is connected to the second controlled rectification input terminal；Waveform sampling module is electric by the second controlled rectification input terminal
Position is detected higher than the waveform of the first controlled rectification input terminal current potential and amplitude limit obtains sampling pulse；The positive pulse of sampling pulse with
Second controlled rectification input terminal current potential is corresponding higher than the waveform of the first controlled rectification input terminal current potential.
In Fig. 9 embodiments, waveform sampling module is detection shaping circuit, by diode D2, resistance R12, voltage-stabiliser tube DW2 groups
Into.Resistance R12 two ends are respectively connecting to diode D2 negative electrodes and voltage-stabiliser tube DW2 negative electrodes；Diode D2 anodes are sampling waveform
Input, is connected to the second controlled rectification input terminal AC2；Voltage-stabiliser tube DW2 anodes are connected to reference ground；Voltage-stabiliser tube DW2 negative electrodes
For sampling pulse output end.
Address, which gives module, is used for the address code of speed regulation unit where setting, provided with address code output end.Address is given
The address code output end of cover half block is connected to the address code input of single-chip microcomputer adjustment module.3 speed tune are had in embodiment
Unit is saved, is made a distinction with 2 bit address code, the corresponding 2 bit address code division of 1-3# speed regulation units is not 00,01,10.Fig. 9
In embodiment, 2 bit address code is set using toggle switch SW1, and toggle switch SW1 common port COM is connected to reference ground,
Toggle switch SW1 output end S1, S2 is address code output end.
Single-chip microcomputer adjustment module, which has, catches input, address code input and speed regulation output terminals A DJ, direction controlling
Output end DIR, control for brake output end BRAK.Catch the sampling pulse output end that input is connected to waveform sampling module.Side
It is switching value to control output end DIR, control for brake output end BRAK output type；Speed regulation output terminals A DJ output
Type is pwm pulse or analog voltage.
In Fig. 9 embodiments, single-chip microcomputer adjustment module is made up of single-chip microprocessor MCU 2, crystal oscillator XT2, single-chip microprocessor MCU 2
Model is MSP430G2553, and the seizure input of single-chip microprocessor MCU 2 is P2.0, and speed regulation output terminals A DJ is P1.2, output class
Type is pwm pulse；Direction controlling output end DIR is P1.4, and control for brake output end BRAK is P1.5, P1.4, P1.5 output TTL
Level signal；P1.6, P1.7 are address code inputs, are respectively connecting to address code output end S1, S2 that address gives module.
Motor drive module is used to drive DC brushless motor, is adjusted provided with pwm pulse speed governing input or analog voltage
Driver for brushless DC motor, the driven by Brush-Less DC motor chip of fast input may be suitable for the present invention.Shown in Figure 10
For using the circuit of the embodiment 1 of driven by Brush-Less DC motor chip, Figure 11 is shown using driver for brushless DC motor
The circuit of embodiment 2.
In embodiment illustrated in fig. 10, motor drive module drives core by motor drive ic F310, three phase full bridge MOSFET
Piece U7 and diode D31-D34, electric capacity C31-C32, resistance R31-R48, triode V31, potentiometer RW31, temperature-sensitive electricity
Hinder NTC compositions.
In Figure 10 embodiments, diode D31-D34 constitutes single phase bridge type rectifier circu to the first controlled rectification input terminal
The controlled rectification voltage of AC1, the second controlled rectification input terminal AC2 input carries out rectification, then obtains electricity after electric capacity C31 filtering
Machine driving power supply U+, powers to motor drive ic F310, three phase full bridge MOSFET driving chips U7.Single phase bridge type rectifier circu
Negative polarity end be connected to reference ground.
In Figure 10 embodiments, resistance R31, resistance R32, triode V31, electric capacity C32 composition pwm pulse/analog voltages turn
Circuit is changed, the pwm pulse that speed is adjusted into input ADJ is converted to analog voltage speed Regulate signal, analog voltage speed is adjusted
Section signal is connected to motor drive ic F310 speed electric input SREF.Dc source VDD6 is by motor drive ic
F310+6V power output ends are provided.If single-chip microcomputer adjustment module speed regulation output terminals A DJ output type is simulation electricity
Press, then motor drive ic F310 speed electric input SREF is connected directly to speed regulation output terminals A DJ, without PWM
Pulse/analog voltage change-over circuit.
In Figure 10 embodiments, HU, LU, HV, LV, HW, LW points of three phase full bridge MOSFET driving chips U7 driving input
Motor drive ic F310 drive output PWM_HU, PWM_LU, PWM_HV, PWM_LV, PWM_HW, PWM_ are not connected to
LW；The three phase mains that three phase full bridge MOSFET driving chips U7 three-phase output end U, V, W is connected to DC brushless motor M31 is defeated
Enter end；Three phase full bridge MOSFET driving chips U7 negative supply input V- is connected to reference ground through resistance R39.On resistance R39
Sampling voltage be connected to motor drive ic F310 sampling current input ITRIP；Current limliting threshold voltage ILIMIT is by electricity
Position device RW31 is determined.
In Figure 10 embodiments, RPI voltages are determined by resistance R33, resistance R34, and RPI voltage swings determine electric motor starting electric current
Size；RSF voltages are determined that RSF voltage swings determine the size of commutating frequency during electric motor starting by resistance R35, resistance R36；
RSD voltages determine that the time restarted automatically after excessively stream is set by RSD by resistance R37, resistance R38.
In Figure 10 embodiments, VLIMIT is that overtemperature protection refers to threshold voltage, is determined by resistance R41, resistance R42；VTH is
Input judgement voltage, is determined by resistance R40, thermistor NTC.
In Figure 10 embodiments, resistance R43-R48 composition bleeder circuit collections mutually hold feedback voltage to detect counter electromotive force,
Three-phase feedback voltage is respectively connecting to motor drive ic F310 feedback input end EMF_U, EMF_V, EMF_W.
In Figure 10 embodiments, direction controlling output end DIR, control for brake output end the BRAK difference of single-chip microcomputer adjustment module
It is connected to motor drive ic F310 direction controlling input F/R, braking input RESET.Motor drive ic F310's
Braking input RESET is also known as reseting controling end RESET.
In Figure 10 embodiments, motor drive ic F310 power end VCC is connected to motor drive power supply U+, ground terminal GND
It is connected to reference ground.
In Figure 10 embodiments, DC brushless motor M31 is the DC brushless motor without Hall sensor.
In embodiment illustrated in fig. 11, motor drive module is by brushless motor driver U61 and diode D61-D64, electricity
Hold C61-C62, resistance R61-R62, triode V61 compositions.Brushless motor driver U61 model is BLD-70.
In Figure 11 embodiments, diode D61-D64 constitutes single phase bridge type rectifier circu to the first controlled rectification input terminal
The controlled rectification voltage of AC1, the second controlled rectification input terminal AC2 input carries out rectification, then obtains electricity after electric capacity C61 filtering
Machine driving power supply V+, powers to brushless motor driver U61.The negative polarity end of single phase bridge type rectifier circu is connected to reference ground.
In Figure 11 embodiments, resistance R61, resistance R62, triode V61, electric capacity C62 composition pwm pulse/analog voltages turn
Circuit is changed, the pwm pulse that speed is adjusted into input ADJ is converted to analog voltage speed Regulate signal, analog voltage speed is adjusted
Section signal is connected to brushless motor driver U61 speed electric input SV.Dc source VDD62 is by brushless motor driver
U61 power output end VCC (+6.25V) is provided.
In Figure 11 embodiments, brshless DC motor M61 three-phase phase terminal U, V, W are connected to brushless motor driver
U61 three-phase output end U, V, W；Brshless DC motor M61 hall signal output end HU, HV, HW is connected to brushless electric machine drive
Dynamic device U61 hall signal input HU, HV, HW；Brshless DC motor M61 Hall power supply is by brushless motor driver U61
Power output end VCC (+6.25V) provide, H+ be connected to brushless motor driver U61 power output end VCC, H- connection
To reference ground.
In Figure 11 embodiments, direction controlling output end DIR, control for brake output end the BRAK difference of single-chip microcomputer adjustment module
It is connected to brushless motor driver U61 direction controlling input F/R, braking input BRK.
In Figure 11 embodiments, brushless motor driver U61 power positive end DC+ is connected to motor drive power supply V+, power supply
Negative terminal DC- is connected to reference ground.
Speed regulation unit receives speed control signal and adjusts the speed of DC brushless motor, its method such as Figure 12 institutes
Show, including：
Step one, motor control is initialized, and sets DC brushless motor as on-position；
Step 2, determines whether speed control signal；There is no speed control signal, return to step two；There is speed control
Signal, goes to step 3；
Step 3, receives speed control signal；
Step 4, judges whether the address code that receives meets with the setting address code-phase of place speed regulation unit, phase
Meet, go to step 5；It is inconsistent, return to step two；
Step 5, adjusts DC brushless motor speed；Return to step two.
When rotating switches, it is necessary to which first passing through control for brake output end BRAK output brake signals makes motor braking, make
After dynamic end, then from direction controlling output end DIR outbound course control signals, realize motor reversal.Directly switch without braking
Realize that rotating may result in load current and increased dramatically and damage drive circuit.
The method of regulation DC brushless motor speed is, in the speed control signal that single-chip microcomputer adjustment module is received, side
When not changing to code, the speed of DC brushless motor is controlled according to the corresponding speed class of speed code；Single-chip microcomputer adjustment module
In the speed control signal received, when direction code changes, DC brushless motor braking is first controlled, it is right further according to speed code
The speed class answered controls the speed of DC brushless motor.
When adjusting the method for DC brushless motor speed, the speed control signal correspondence received when single-chip microcomputer adjustment module
Speed class be grade 1 when, control DC brushless motor braking.
Determine whether speed control signal, method is judges from the first controlled rectification input terminal AC1, second controllable whole
Whether the controlled rectification voltage of stream input terminal AC2 inputs has guide wave.
Speed control signal is received, method is the controlled rectification voltage wave for receiving x power frequency period, by x power frequency period
Controlled rectification voltage wave be converted to x-bit data code.
The function of waveform sampling module is to carry out detection shaping to controlled rectification voltage.In Fig. 9 embodiments, waveform sampling mould
Waveform detection and amplitude limit of the block by the first controlled rectification input terminal AC1 current potentials less than the second controlled rectification input terminal AC2 are obtained
To sampling pulse, export to the seizure input of single-chip microcomputer adjustment module；The positive pulse of sampling pulse and the first controlled rectification are defeated
Enter terminal current potential corresponding less than the half-wave of the second controlled rectification input terminal current potential, sampling pulse positive pulse width is less than should be partly
Wave width.Speed control signal medium velocity grade is shown in sampling pulse example such as Fig. 6 (b) of speed 13；When controlled rectification electricity
When pressing as alternating voltage, sampling pulse is that dutycycle is less than the 50%, square wave with the second AC power same frequency；When controllable whole
When flowing voltage for commutating voltage, sampling pulse is low level.
In embodiment illustrated in fig. 6, guide wave is by the rectification wave component of 2 power frequency periods, the sampling pulse before guide wave
It is the square wave that the cycle is power frequency period.The rectified wave of 2 power frequency periods should make to occur in sampling pulse width for 40ms, i.e.
The interval low level of 2 power frequency periods.
Judge whether controlled rectification voltage has guide wave, method is judged in sampling pulse after power frequency period square wave
More than the interval power frequency period number of low level of power frequency period width；Had more than in the sampling pulse after power frequency period square wave
Power frequency period number is interval for y low level, then has guide wave in controlled rectification voltage；Sampling after power frequency period square wave
The low level that power frequency period number is y is not above in pulse interval, then there is no guide wave in controlled rectification voltage.
Judge the interval power frequency period of low level after power frequency period square wave more than power frequency period width in sampling pulse
Several methods are to measure wide to the low level pulse after power frequency period square wave in sampling pulse more than power frequency period width
Degree, if the obtained low level pulse width more than power frequency period width of measurement is W, then the power frequency period number in low level interval
For INT (W/20)；The function of INT functions is that fractions omitted part is rounded.
In the controlled rectification voltage wave of x power frequency period of data wave, 1 power frequency period 1 numeric data code of correspondence, Mei Gegong
The voltage wave in frequency cycle can be waves AC or rectified wave.When the voltage wave of 1 power frequency period is rectified wave, with
Its corresponding sampling pulse is the interval low level of 1 power frequency period；When the voltage wave of 1 power frequency period is waves AC, with
Its corresponding sampling pulse is the square wave that 1 dutycycle is less than 50%.In embodiment illustrated in fig. 6, continuous 7 works of data wave
The frequency cycle is followed successively by waves AC, rectified wave, rectified wave, rectified wave, rectified wave, waves AC, waves AC, corresponding sampling pulse area
Between T7, interval T8, interval T9, interval T10, interval T11, interval T12, interval T13 be followed successively by square wave, low level, low level,
Low level, low level, square wave, square wave, 7 numeric data codes are 0111100.
By the controlled rectification voltage wave of x power frequency period be converted to x-bit data code method be, the x after guide wave
During individual power frequency period is interval, when the interval sampling pulse of 1 power frequency period is low level, corresponding this numeric data code is 1, when
When the interval sampling pulse of 1 power frequency period is less than 50% square wave for 1 dutycycle, corresponding this numeric data code is 0.Or
Person is, in x power frequency period after guide wave is interval, when the interval sampling pulse of 1 power frequency period is low level, phase
This numeric data code answered is 0, when the interval sampling pulse of 1 power frequency period is less than 50% square wave for 1 dutycycle, phase
This numeric data code answered is 1.
Speed code, which is converted to speed class, the method such as can use calculating, table look-up.In embodiment, the scope of 4 bit rates code
It is 0000-1111, the speed class scope of representative is speed 1-16；When speed code is 0000, speed class is speed 1；Speed
When degree code is 0001, speed class is speed 2；When speed code is 0010, speed class is speed 3；By that analogy, speed code is
When 1111, speed class is speed 16.
When DC brushless motor does not need control direction, speed preset module is without direction Setting signal output end, monolithic
Machine control module is without direction Setting signal input, and single-chip microcomputer adjustment module is without direction controlling output end, motor driving mould
Block is without direction controlling input.
Controlled rectification voltage is straight to the regulation power supply module of speed regulation unit, motor drive module and waveform sampling module
Power supply is connect, regulation power supply module therein, motor drive module carry out rectification to controlled rectification voltage first, then through capacitor filtering
Afterwards, power supply is provided to interlock circuit；When controlled rectification voltage is zero, regulation power supply module, the source current of motor drive module
Also it is zero；Waveform sampling module loads for non-linear resistive, when controlled rectification voltage is zero, the power supply electricity of waveform sampling module
Stream is zero.Therefore, when controlled rectification voltage is zero, its source current provided to speed regulation unit is zero.So, rectification control
Unit processed the second AC power zero crossing carry out stop exchange output, start rectification output, or be off rectification output,
When starting the switching of exchange output, between bidirectional thyristor V1, bidirectional thyristor V2 and bidirectional thyristor V3, bidirectional thyristor V4
Can be succeeded the change of current, will not cause power supply short circuit.
The present invention has following features：
1. the speed of many DC brushless motors of power line far distance controlled is used, without remote control, without control line；
2. DC brushless motor speed can be divided into multiple grades as needed；
3. rectified wave transfer rate control signal is used, its virtual value is identical with waves AC, does not result in brush DC electricity
Power supply is unstable when machine speed is adjusted.
Claims (7)
1. a kind of device for adjusting many DC brushless motor speeds at a distance, it is characterised in that：
The device being made up of Commutation control unit and m speed regulation unit is realized；M is the integer more than or equal to 2；
The Commutation control unit provided with phase line input terminal, zero line input terminal, the first controlled rectification lead-out terminal, second can
Control rectification output end；The phase line input terminal, zero line input terminal input single-phase 220V AC powers；Described first is controllable
Rectification output end, the second controlled rectification lead-out terminal output controlled rectification voltage；
The speed regulation unit is provided with the first controlled rectification input terminal, the second controlled rectification input terminal, and described first can
Control rectification input terminal, the second controlled rectification input terminal are respectively connecting to the first controlled rectification output end of Commutation control unit
Son, the second controlled rectification lead-out terminal；
The Commutation control unit is by transformer, control power module, controllable rectifier module, zero passage detection module, single-chip microcomputer control
Molding block, trigger control module, speed preset module composition；
Two input terminals of the transformer are respectively phase line input terminal, zero line input terminal, two lead-out terminal difference
For the first ac terminal, the second ac terminal；First ac terminal, the second ac terminal export the second AC power；
The control power module is made up of control power supply single-phase rectification bridge and the first filter regulator circuit, exports the first direct current work
Make power supply；Two ac input ends of the control power supply single-phase rectification bridge are respectively connecting to the first ac terminal, the second exchange
Terminal；The rectification negative polarity end for controlling power supply single-phase rectification bridge is publicly；
The controllable rectifier module is by rectifier bridge UR1, bidirectional thyristor V1, bidirectional thyristor V2, bidirectional thyristor V3, two-way crystalline substance
Brake tube V4 is constituted；2 ac input ends of the rectifier bridge UR1 are respectively connecting to the first ac terminal and the second ac terminal,
Rectification output plus terminal is connected to bidirectional thyristor V3 second plate, and rectification output negative terminal is connected to the second of bidirectional thyristor V4
Anode；It is defeated that the first controlled rectification is connected to after the bidirectional thyristor V1 first anode is in parallel with the bidirectional thyristor V3 first anode
Go out terminal；Bidirectional thyristor V1 second plate is connected to the first ac terminal；The bidirectional thyristor V2 first anode with it is two-way
The second controlled rectification lead-out terminal is connected to after the IGCT V4 first anode is in parallel；Bidirectional thyristor V2 second plate connection
To the second ac terminal；
The trigger control module is provided with exchange control signal, rectification control signal；The exchange control signal input
AC controling signal it is effective when, trigger control module control bidirectional thyristor V1 and during bidirectional thyristor V2 zero passages triggering lead
It is logical；It is described exchange control signal input AC controling signal it is invalid when, trigger control module control bidirectional thyristor V1 and
End after bidirectional thyristor V2 zero passages；When the rectification control signal of the rectification control signal input is effective, triggering control mould
Block controls bidirectional thyristor V3 and triggering and conducting during bidirectional thyristor V4 zero passages；The rectification control of the rectification control signal input
During invalidating signal processed, end after trigger control module control bidirectional thyristor V3 and bidirectional thyristor V4 zero passages；
The zero passage detection module is provided with zero passage voltage input, zero-crossing pulse output end；The two of the zero passage voltage input
Individual terminal is respectively connecting to the first ac terminal and the second ac terminal；The zero-crossing pulse of zero-crossing pulse output end output is
Positive pulse；
The zero-crossing pulse is corresponding with the second AC power positive half-wave；The width of the zero-crossing pulse is being less than the second AC power just
Half band-width；The second AC power positive half-wave is that the first ac terminal current potential is handed over higher than the second of the second ac terminal current potential
Flow mains half-wave；
The speed preset module is provided with speed preset signal output part and direction Setting signal output end；
It is defeated that the single chip control module includes speed preset signal input part, direction Setting signal input, signal acquisition
Enter end and two-way level signal output end；The speed preset signal input part is connected to the speed preset letter of speed preset module
Number output end；The direction Setting signal input is connected to the direction Setting signal output end of speed preset module；It is described to catch
Catch the zero-crossing pulse output end that signal input part is connected to zero passage detection module；The two-way level signal output end is respectively to hand over
Flow control output end, rectification control output end；The exchange control output end, rectification control output end are respectively connecting to triggering control
Exchange control signal, the rectification control signal of molding block；
The speed regulation unit by regulation power supply module, waveform sampling module, single-chip microcomputer adjustment module, address give module,
Motor drive module is constituted；
The regulation power supply module input controlled rectification voltage, the second DC supply of output, by regulation power supply single-phase rectifier
Bridge and the second filter regulator circuit composition；The rectification negative polarity end of the regulation power supply single-phase rectification bridge is reference ground；
The waveform sampling module is provided with sampling Waveform Input end and sampling pulse output end；Sampling Waveform Input end connection
To the second controlled rectification input terminal；The waveform sampling module is controllable higher than first by the second controlled rectification input terminal current potential
Simultaneously amplitude limit obtains sampling pulse for the waveform detection of rectification input terminal current potential；The positive pulse of the sampling pulse is controllable whole with second
Flow input terminal current potential corresponding higher than the waveform of the first controlled rectification input terminal current potential；
The address, which gives module, is used for the address code of speed regulation unit where setting, provided with address code output end；
The single-chip microcomputer adjustment module has seizure input, address code input and speed regulation output end, direction controlling defeated
Go out end, control for brake output end；The seizure input of the single-chip microcomputer adjustment module is connected to the sampling arteries and veins of waveform sampling module
Rush output end；The address code input is connected to the address code output end that address gives module；
The motor drive module is used to drive DC brushless motor, provided with speed regulation input, direction controlling input, system
Dynamic control signal；The speed regulation input is connected to the speed regulation output end of single-chip microcomputer adjustment module, direction controlling
Input is connected to the direction controlling output end of single-chip microcomputer adjustment module, and control for brake input is connected to single-chip microcomputer adjustment module
Control for brake output end；
The Commutation control unit is by controlling controlled rectification voltage come transmission speed control signal；The speed control signal by
Guide wave and data wave component；
The guide wave by y power frequency period rectification wave component；Y is the integer more than or equal to 1；
The data wave is the controlled rectification voltage wave of x power frequency period, and x is the integer more than or equal to 3；
In the controlled rectification voltage wave of the x power frequency period, 1 power frequency period 1 numeric data code of correspondence；X power frequency period
Controlled rectification voltage wave correspondence x-bit data code；
The x-bit data code includes address code, direction code and speed code；The numeric data code, address code, direction code, speed code
It is binary code；
The speed regulation unit receives speed control signal and adjusts DC brushless motor speed.
2. the device according to claim 1 for adjusting many DC brushless motor speeds at a distance, it is characterised in that：It is described
Zero passage detection module is made up of diode D1, resistance R9, voltage-stabiliser tube DW1, is exported provided with zero passage voltage input, zero-crossing pulse
End；Resistance R9 two ends are respectively connecting to diode D1 negative electrodes and voltage-stabiliser tube DW1 negative electrodes；Diode D1 anodes are that zero passage voltage is defeated
Enter end, be connected to the first ac terminal；Voltage-stabiliser tube DW1 anodes are connected to publicly；Voltage-stabiliser tube DW1 negative electrodes export for zero-crossing pulse
End.
3. the device according to claim 1 for adjusting many DC brushless motor speeds at a distance, it is characterised in that：It is described
Waveform sampling module is provided with sampling Waveform Input end and sampling pulse output end, by diode D2, resistance R12, voltage-stabiliser tube DW2 groups
Into；Resistance R12 two ends are respectively connecting to diode D2 negative electrodes and voltage-stabiliser tube DW2 negative electrodes；Diode D2 anodes are sampling waveform
Input, is connected to the second controlled rectification input terminal；Voltage-stabiliser tube DW2 anodes are connected to reference ground；Voltage-stabiliser tube DW2 negative electrodes are to take
Sample pulse output end.
4. the device according to claim 1 for adjusting many DC brushless motor speeds at a distance, it is characterised in that：It is described
The input signal of the speed regulation input of motor drive module is pwm pulse or analog voltage.
5. the device according to claim 1 for adjusting many DC brushless motor speeds at a distance, it is characterised in that：It is described
Motor drive module is made up of brushless motor driver and its peripheral circuit；The model of the brushless motor driver is BLD-
70。
6. the device according to claim 1 for adjusting many DC brushless motor speeds at a distance, it is characterised in that：It is described
Motor drive module is made up of motor drive ic F310 and its peripheral circuit, three phase full bridge MOSFET driving chips；The electricity
Machine driving chip model F310.
7. the device according to claim 1 for adjusting many DC brushless motor speeds at a distance, it is characterised in that：It is described
Single chip control module is made up of single-chip microprocessor MCU 1, crystal oscillator XT1；The model of the single-chip microprocessor MCU 1 is
MSP430G2553；The single-chip microcomputer adjustment module is made up of single-chip microprocessor MCU 2, crystal oscillator XT2；The single-chip microprocessor MCU 2
Model is MSP430G2553.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510386831.1A CN104967366B (en) | 2015-07-06 | 2015-07-06 | The device of many DC brushless motor speeds is adjusted at a distance |
| CN201710790579.XA CN107370422B (en) | 2015-07-06 | 2015-07-06 | A kind of single phase poaer supply line sends the circuit of more DC brushless motor speed-regulating signals |
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| CN201510386831.1A CN104967366B (en) | 2015-07-06 | 2015-07-06 | The device of many DC brushless motor speeds is adjusted at a distance |
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| CN201710790579.XA Division CN107370422B (en) | 2015-07-06 | 2015-07-06 | A kind of single phase poaer supply line sends the circuit of more DC brushless motor speed-regulating signals |
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| CN104967366A CN104967366A (en) | 2015-10-07 |
| CN104967366B true CN104967366B (en) | 2017-10-20 |
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| CN201710790579.XA Active CN107370422B (en) | 2015-07-06 | 2015-07-06 | A kind of single phase poaer supply line sends the circuit of more DC brushless motor speed-regulating signals |
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| CN201710790579.XA Active CN107370422B (en) | 2015-07-06 | 2015-07-06 | A kind of single phase poaer supply line sends the circuit of more DC brushless motor speed-regulating signals |
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| CN114583895B (en) * | 2022-04-29 | 2022-09-02 | 中山大洋电机股份有限公司 | BLDC motor and electrical equipment with networking communication function |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103079319A (en) * | 2013-01-24 | 2013-05-01 | 福建侨汇电子科技有限公司 | Single-wire-system radio-frequency light modulator based on microcontroller |
| CN103281849A (en) * | 2013-06-26 | 2013-09-04 | 湖南工业大学 | Light-adjusting device and method of LED illuminating lamp |
| CN204156768U (en) * | 2014-10-29 | 2015-02-11 | 哈尔滨理工大学 | The Switched Reluctance Motor that a kind of portable wireless controls |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3719244B2 (en) * | 2002-12-18 | 2005-11-24 | 日産自動車株式会社 | Coaxial multiple position detector and rotating electric machine using the same |
| JP4293064B2 (en) * | 2004-06-18 | 2009-07-08 | ブラザー工業株式会社 | Image forming apparatus |
| JP3772898B2 (en) * | 2004-09-08 | 2006-05-10 | ダイキン工業株式会社 | Multiphase current supply circuit and drive device |
| CN100403622C (en) * | 2006-09-01 | 2008-07-16 | 桂林航天电子有限公司 | Intelligent power distribution administrative center |
| US7675761B2 (en) * | 2007-06-01 | 2010-03-09 | Power Integrations, Inc. | Method and apparatus to control two regulated outputs of a flyback power supply |
| JP6048052B2 (en) * | 2012-10-11 | 2016-12-21 | 富士電機株式会社 | Signal transmission device and switching power supply device |
| CN204046475U (en) * | 2014-09-13 | 2014-12-24 | 北京精密机电控制设备研究所 | A kind of down-hole brushless DC motor driving controller |
-
2015
- 2015-07-06 CN CN201510386831.1A patent/CN104967366B/en active Active
- 2015-07-06 CN CN201710790579.XA patent/CN107370422B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103079319A (en) * | 2013-01-24 | 2013-05-01 | 福建侨汇电子科技有限公司 | Single-wire-system radio-frequency light modulator based on microcontroller |
| CN103281849A (en) * | 2013-06-26 | 2013-09-04 | 湖南工业大学 | Light-adjusting device and method of LED illuminating lamp |
| CN204156768U (en) * | 2014-10-29 | 2015-02-11 | 哈尔滨理工大学 | The Switched Reluctance Motor that a kind of portable wireless controls |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107370422A (en) | 2017-11-21 |
| CN107370422B (en) | 2019-08-06 |
| CN104967366A (en) | 2015-10-07 |
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Effective date of registration: 20191211 Address after: 213000 Dongfang East Road, Wujin District, Changzhou, Jiangsu Province, No. 151 Patentee after: Changzhou Zhongzhi Electrical Machinery Co.,Ltd. Address before: 518110 808, 8 / F, building B, business center, gangzhilong Science Park, No. 6, Qinglong Road, Qinghua community, Longhua street, Longhua District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Pengbo Information Technology Co.,Ltd. Effective date of registration: 20191211 Address after: 518110 808, 8 / F, building B, business center, gangzhilong Science Park, No. 6, Qinglong Road, Qinghua community, Longhua street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Pengbo Information Technology Co.,Ltd. Address before: 412007 School of industry, research and production, Hunan University of Technology, 88 West Taishan Road, Zhuzhou, Hunan Patentee before: Hunan University of Technology |
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Address after: 213000 4 / F, building 3, rail transit Industrial Park, 355 Longjin Road, Lucheng street, Changzhou Economic Development Zone, Changzhou City, Jiangsu Province Patentee after: Changzhou Zhongzhi Electrical Machinery Co.,Ltd. Address before: 213000, No. 151, Dongfang East Road, Wujin District, Changzhou City, Jiangsu Province Patentee before: Changzhou Zhongzhi Electrical Machinery Co.,Ltd. |
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