CN206517329U - Electromagnetic adjustable speed motor control device - Google Patents
Electromagnetic adjustable speed motor control device Download PDFInfo
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- CN206517329U CN206517329U CN201621354354.7U CN201621354354U CN206517329U CN 206517329 U CN206517329 U CN 206517329U CN 201621354354 U CN201621354354 U CN 201621354354U CN 206517329 U CN206517329 U CN 206517329U
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- microprocessor
- motor control
- control device
- speed motor
- photoelectrical coupler
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Abstract
The utility model is related to Low Voltage Electrical Apparatus, and in particular to a kind of electromagnetic adjustable speed motor control device；It includes speed display module, and speed display module includes microprocessor, and the current supply circuit being connected respectively with microprocessor and signal acquisition loop；The signal acquisition loop includes the signal shaping loop being connected with microprocessor, signal shaping loop includes the photoelectrical coupler being connected between input and microprocessor, in the input of a photoelectrical coupler filter capacitor in parallel to reduce the interference of high frequency spurs signal, shaping filter is carried out to signal in the output end of a photoelectrical coupler decoupling capacitor in parallel.Electromagnetic adjustable speed motor control device of the present utility model shows that accurate, feature-rich, synchronism is high.
Description
Technical field
The utility model is related to Low Voltage Electrical Apparatus, and in particular to a kind of electromagnetic adjustable speed motor control device.
Background technology
Electromagnetic adjustable speed motor, is a kind of permanent torque AC stepless variable-speed motor.Its speed adjustable range is wide, speed regulation is opened
Sliding, detent torque is big, control power is small and has the series of advantages such as negative velocity feedback automatic regulating system, therefore it is using also ten
Divide extensive；Electromagnetic adjustable speed motor control device is a kind of electrical equipment that speed monitoring and regulation and control are carried out to electromagnetic adjustable speed motor, at present
Electromagnetic adjustable speed motor control device there is problems with：
1. filtering of the signal adjustment circuit to frequency medium-high frequency clutter is not enough, signal is caused to disturb, speed display is lost
True phenomenon；
2. power supply is interfered with optocoupler in signal transformation circuit, output waveform is uneven, influences display effect；
3. the chip of control device is analyzed the frequency signal for clicking on feedback using scan mode, in the presence of scanning
Between displacement, cause motor actual speed and device to show that rotating speed is inconsistent；
Each pin voltage value of 4.LED charactrons is different, causes charactron brightness inconsistent.
The content of the invention
The purpose of this utility model is to overcome the defect of prior art to show accurate, feature-rich, synchronous there is provided one kind
The high electromagnetic adjustable speed motor control device of property.
A kind of electromagnetic adjustable speed motor control device, it includes speed display module, and speed display module includes microprocessor,
And the current supply circuit 200 being connected respectively with microprocessor and signal acquisition loop；
The signal acquisition loop includes the signal shaping loop 100 being connected with microprocessor, and signal shaping loop 100 is wrapped
The photoelectrical coupler being connected between input and microprocessor is included, in the input of a photoelectrical coupler filter capacitor 1 in parallel
To reduce the interference of high frequency spurs signal, shaping filter is carried out to signal in the output end of a photoelectrical coupler decoupling capacitor 2 in parallel.
It is preferred that, the signal shaping loop 100 include first input end, the second input, resistance R2, diode D5,
Filter capacitor 1, photoelectrical coupler, decoupling capacitor 2 and resistance R3, wherein, first input end is through resistance R2 and photoelectrical coupler
Light emitting diode one end is connected, and the second input is connected to the light emitting diode other end of photoelectrical coupler, filter capacitor 1 and two
Light emitting diodes of the pole pipe D5 with photoelectrical coupler is in parallel, and decoupling capacitor 2 is in parallel with the transistor output of photoelectrical coupler,
And one end ground connection after parallel connection, the other end is connected through resistance R3 with power supply VCC.
It is preferred that, the current supply circuit 200 include power input b6, power input b7, full-wave bridge rectifier circuit,
Resistance R1, voltage-stabiliser tube 3, electric capacity C1, power input b6 and power input b7 respectively with full-wave bridge rectifier circuit two
Input is connected, and two output ends of full-wave bridge rectifier circuit are connected with microprocessor, the one of full-wave bridge rectifier circuit
Between individual output end and microprocessor be provided with resistance R1, the full-wave bridge rectifier circuit include end to end diode D1,
Diode D2, diode D3 and diode D4, voltage-stabiliser tube 3 and electric capacity C1 be connected in parallel on full-wave bridge rectifier circuit respectively two are defeated
Go out between end.
It is preferred that, the filter capacitor 1 is 4.7 μ F/50V electrodeless electric capacities；The decoupling capacitor 2 is that 0.1 μ F/50V are electrodeless
Electric capacity.
It is preferred that, the microprocessor is dominant frequency 18.432Mhz chips, and it includes exterior interrupt, in addition to program is deposited
Reservoir and data storage, program storage include 2048 14 memory spaces, and data storage includes 128 8 storages
Space.
It is preferred that, the current supply circuit 200 include a voltage-stabiliser tube 3, voltage-stabiliser tube 3 use model 1N4733, voltage stabilizing value for
5.1V voltage-stabiliser tube.
It is preferred that, the speed display module also includes the display unit 40 being connected with microprocessor, and display unit 40 is
LED charactrons.
It is preferred that, in addition to be connected with microprocessor include negative velocity feedback circuit, ghyristor circuit and speed regulation electricity
Road, microprocessor is connected by negative velocity feedback circuit and ghyristor circuit with electromagnetic adjustable speed motor, on the housing 10 provided with
The speed governing knob 20 of speed adjustment circuit connection.
It is preferred that, in addition to housing 10, the display unit 40 of speed display module is arranged on the top of housing 10, display unit
40 outsides are provided with speed governing knob 20 and starting switch 30；The side of housing 10 is provided for accessing the terminals of external power source
Son.
Believed by photoelectrical coupler in electromagnetic adjustable speed motor control device of the present utility model, the signal shaping loop
Number collection isolation, distinguishes a filter capacitor in parallel and a decoupling capacitor at the two ends of photoelectrical coupler, not only effectively reduces high frequency
Noise signal is disturbed, it is to avoid speed shows the problem of distortion occur, and is avoided that power supply and photoelectricity coupling in signal transformation circuit
Clutch is interfered, so that output waveform is uneven, influences display effect.In addition, the microprocessor is dominant frequency
18.432Mhz chips, refresh rate faster, can support 35 instructions, it includes program storage and data storage, and program is deposited
Reservoir includes 2048 14 memory spaces, and data storage includes 128 8 memory spaces, and internal resource is more rich, writeable
Enter more MIMD.
Brief description of the drawings
Fig. 1 is the utility model speed display module circuit theory diagrams；
Fig. 2 is the structural representation of the utility model housing；
Marked in the figures above：1 filter capacitor, 2 decoupling capacitors, 3 voltage-stabiliser tubes, 10 housings, 20 speed governing knobs,
30 starting switches, 40 display units, 100 signal shaping loops, 200 current supply circuits.
Embodiment
The embodiment provided below in conjunction with accompanying drawing 1 to 2, further illustrates electromagnetic adjustable speed motor control dress of the present utility model
The embodiment put.Electromagnetic adjustable speed motor control device of the present utility model is not limited to the following description.
Electromagnetic adjustable speed motor control device of the present utility model, it includes speed display module, and speed display module includes
Microprocessor, and the current supply circuit 200 being connected with microprocessor and signal acquisition loop；The signal acquisition loop include with
The signal shaping loop 100 of microprocessor connection, signal shaping loop 100 includes being connected between input and microprocessor
Photoelectrical coupler, in the input of a photoelectrical coupler filter capacitor 1 in parallel to reduce the interference of high frequency spurs signal, in photoelectricity coupling
The output end of a clutch decoupling capacitor 2 in parallel carries out shaping filter to signal.Existing electromagnetic adjustable speed motor control device, it is believed
The real-time frequency that tachometer feed-back comes is converted into figure pattern and is mapped on charactron by number Acquisition Circuit, and with frequency
The improvement of rate and change, the numeral of numeral method is current motor actual speed；The signal acquisition loop includes signal
Shaping loop, because filtering of the signal shaping loop to frequency medium-high frequency clutter is not enough, causes high frequency spurs signal to disturb, existing
Technology is not provided with filter capacitor, or only shows speed in side filtering and distortion phenomenon occur.Electromagnetic speed-adjusting of the present utility model
Motor control assembly, the signal shaping loop carries out signal acquisition isolation by photoelectrical coupler, the two of photoelectrical coupler
An end difference filter capacitor in parallel and a decoupling capacitor, two electric capacity effects are different, not only effectively reduce high frequency spurs letter
Number interference, it is to avoid speed shows the problem of distortion occur, and is avoided that power supply and photoelectrical coupler phase in signal transformation circuit
Mutually interference, so that output waveform is uneven, influences display effect.
As shown in figure 1, being one embodiment of the utility model speed display module.
The speed display module includes microprocessor, and the current supply circuit 200 and signal that are connected with microprocessor are adopted
Collect loop；The signal acquisition loop includes signal shaping loop 100.
The signal shaping loop 100 include first input end 5., the second input 6., resistance R2, diode D5, filtering
Electric capacity 1, photoelectrical coupler, decoupling capacitor 2 and resistance R3, wherein, the first input end 5. hair through resistance R2 and photoelectrical coupler
Optical diode one end is connected, and 6. the second input is connected to the light emitting diode other end of photoelectrical coupler, filter capacitor 1 and two
Light emitting diodes of the pole pipe D5 with photoelectrical coupler is in parallel, and decoupling capacitor 2 is in parallel with the transistor output of photoelectrical coupler,
And one end ground connection after parallel connection, the other end is connected through resistance R3 with power supply VCC.It is preferred that, the specification of the resistance R2 is
3.9K/1/2W, the diode D5 model IN4007, the filter capacitor 1 are 4.7 μ F/50V electrodeless electric capacities, described to go
Coupling electric capacity 2 is 0.1 μ F/50V electrodeless electric capacities, and the resistance of the resistance R3 is 56K.The filter capacitor 1, which can be filtered, to be come from
The high frequency spurs signal of tachometer generator, it is to avoid high frequency spurs signal is disturbed, and causes motor speed display distortion；The decoupling electricity
Shaping filter can be carried out to signal by holding 2, be consistent the waveform of output.
The current supply circuit 200 include power input b6, power input b7, full-wave bridge rectifier circuit, resistance R1,
Voltage-stabiliser tube 3, electric capacity C1, power input b6 and power input b7 connect with two inputs of full-wave bridge rectifier circuit respectively
Connect, two output ends of full-wave bridge rectifier circuit are connected with microprocessor, in an output end of full-wave bridge rectifier circuit
Between microprocessor be provided with resistance R1, the full-wave bridge rectifier circuit include end to end diode D1, diode D2,
Diode D3 and diode D4, voltage-stabiliser tube 3 and electric capacity C1 are connected in parallel between two output ends of full-wave bridge rectifier circuit respectively.
The resistance of the resistance R1 is 20R, and the electric capacity C1 is that 220 μ F/16V have electrode capacitance, the model of the voltage-stabiliser tube 3
1N4733, voltage stabilizing value is 5.1V.The voltage-stabiliser tube 3 be voltage-regulator diode, reduce voltage stabilizing value, make magnitude of voltage meet chip and
The requirement of LED charactrons.
The microprocessor is dominant frequency 18.432Mhz chips, including exterior interrupt and internal interrupt source；The microprocessor
Device includes program storage and data storage, and program storage includes 2048 14 memory spaces, supports 35 instructions, number
Include 128 8 memory spaces according to memory.
The input port scan mode of prior art is timing scan, and error is larger, needs repeated detection to go average value ability
Ensure precision, when directly resulting in the change of motor actual speed, the change of motor actual speed shows rotation speed change time phase with motor
Poor 0.5s, it is and existing along with display refreshes the 0.75s, i.e., the delay nearly 0.6s that speed is finally shown that once need
The scan mode of technology is compared, and the scan mode of the utility model microprocessor input mouthful is external interrupt, works as frequency signal
When input port changes from 1 to 0 edge, triggering is interrupted, and program moment performs interrupt service subroutine, the utility model microprocessor
The basic frequency of device is higher, and display, which refreshes, once only needs 0.25s, and the time significantly shortens, external interrupt mode and the speed that refreshes faster
Speed, makes motor show rotating speed and the change of motor actual speed without the time difference, speed shows more accurate；Microprocessor of the present utility model
The internal interrupt source of device is used for program timing；Microprocessor of the present utility model, resource is more rich, can write more fingers
Order, writable program reaches each LED numbers according to LED charactrons position section, adjustment driving pin magnitude of voltage (duty ratio modulation method)
Code tube voltage mean allocation, display brightness is consistent, extends the service life of LED charactrons, can also have been written into significant instruction,
When opening electromagnetic adjustable speed motor control device of the present utility model, display unit can show trademark information or anti-counterfeiting information.
The speed display module also includes the display unit 40 being connected with microprocessor, and display unit 40 is LED digital
Pipe.
Electromagnetic adjustable speed motor control device of the present utility model also include be connected with microprocessor negative velocity feedback circuit,
Ghyristor circuit and speed adjustment circuit；The interior tachometer generator of electromagnetic adjustable speed motor exports feedback voltage to velocity feedback electricity
Road, feedback signal input microprocessor, microprocessor is connected by ghyristor circuit with electromagnetic adjustable speed motor, is monitored and is adjusted in real time
The rotating speed of whole electromagnetic adjustable speed motor, makes it be rotated with stabilized (steady-state) speed；The speed governing knob 20 can pass through speed adjustment circuit pair
Electromagnetic adjustable speed motor carries out speed adjustment.
Electromagnetic adjustable speed motor control device of the present utility model also includes housing 10, and the top of housing 10 sets panel, speed
The display unit 40 of display module is arranged on panel, and the outside of display unit 40 is provided with speed governing knob 20 and starting switch 30；Institute
State the binding post that the side of housing 10 is provided for accessing external power source, with electromagnetic adjustable speed motor being connected.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded
To belong to protection domain of the present utility model.
Claims (9)
1. a kind of electromagnetic adjustable speed motor control device, it includes speed display module, and speed display module includes microprocessor, with
And the current supply circuit (200) being connected respectively with microprocessor and signal acquisition loop；
It is characterized in that：The signal acquisition loop includes the signal shaping loop (100) being connected with microprocessor, signal shaping
Loop (100) includes the photoelectrical coupler being connected between input and microprocessor, in parallel in the input of photoelectrical coupler
One filter capacitor (1) is to reduce the interference of high frequency spurs signal, in the output end of a photoelectrical coupler decoupling capacitor (2) in parallel to letter
Number carry out shaping filter.
2. electromagnetic adjustable speed motor control device according to claim 1, it is characterised in that：The signal shaping loop
(100) first input end, the second input, resistance R2, diode D5, filter capacitor (1), photoelectrical coupler, decoupling electricity are included
Hold (2) and resistance R3, wherein, light emitting diode one end connection of the first input end through resistance R2 and photoelectrical coupler, second is defeated
Enter end and be connected to the light emitting diode other end of photoelectrical coupler, filter capacitor (1) and diode D5 with photoelectrical coupler
Light emitting diode is in parallel, and decoupling capacitor (2) is in parallel with the transistor output of photoelectrical coupler, and the termination after parallel connection
Ground, the other end is connected through resistance R3 with power supply VCC.
3. electromagnetic adjustable speed motor control device according to claim 1, it is characterised in that：Current supply circuit (200) bag
Include power input, power input, full-wave bridge rectifier circuit, resistance R1, voltage-stabiliser tube (3), electric capacity C1, power input and
Power input is connected with two inputs of full-wave bridge rectifier circuit respectively, two output ends of full-wave bridge rectifier circuit
Be connected with microprocessor, one of full-wave bridge rectifier circuit between output end and microprocessor provided with resistance R1, it is described complete
Ripple bridge rectifier include end to end diode D1, diode D2, diode D3 and diode D4, voltage-stabiliser tube (3) and
Electric capacity C1 is connected in parallel between two output ends of full-wave bridge rectifier circuit respectively.
4. electromagnetic adjustable speed motor control device according to claim 1, it is characterised in that：The filter capacitor (1) is 4.7
μ F/50V electrodeless electric capacities；The decoupling capacitor (2) is 0.1 μ F/50V electrodeless electric capacities.
5. electromagnetic adjustable speed motor control device according to claim 1, it is characterised in that：The microprocessor is dominant frequency
18.432Mhz chips, it includes exterior interrupt, in addition to program storage and data storage, and program storage includes
2048 14 memory spaces, data storage includes 128 8 memory spaces.
6. according to any described electromagnetic adjustable speed motor control devices of claim 1-5, it is characterised in that：The current supply circuit
(200) voltage-stabiliser tube (3) is included, voltage-stabiliser tube (3) uses model 1N4733, voltage stabilizing value for 5.1V voltage-stabiliser tube.
7. electromagnetic adjustable speed motor control device according to claim 1, it is characterised in that：The speed display module is also wrapped
The display unit (40) being connected with microprocessor is included, display unit (40) is LED charactrons.
8. electromagnetic adjustable speed motor control device according to claim 1, it is characterised in that：Also include being connected with microprocessor
Include negative velocity feedback circuit, ghyristor circuit and speed adjustment circuit, microprocessor passes through negative velocity feedback circuit and controllable
Silicon circuit is connected with electromagnetic adjustable speed motor, provided with the speed governing knob (20) being connected with speed adjustment circuit on housing (10).
9. electromagnetic adjustable speed motor control device according to claim 1, it is characterised in that：Also include housing (10), speed
The display unit (40) of display module is arranged on the outside of housing (10) top, display unit (40) provided with speed governing knob (20) and opened
Dynamic switch (30)；Housing (10) side is provided for accessing the binding post of external power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621354354.7U CN206517329U (en) | 2016-12-09 | 2016-12-09 | Electromagnetic adjustable speed motor control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621354354.7U CN206517329U (en) | 2016-12-09 | 2016-12-09 | Electromagnetic adjustable speed motor control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206517329U true CN206517329U (en) | 2017-09-22 |
Family
ID=59863332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621354354.7U Active CN206517329U (en) | 2016-12-09 | 2016-12-09 | Electromagnetic adjustable speed motor control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206517329U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107742956A (en) * | 2017-11-28 | 2018-02-27 | 奥克斯空调股份有限公司 | A kind of motor operating circuit and air-conditioning |
| CN108388190A (en) * | 2018-05-07 | 2018-08-10 | 中山永裕智能科技有限公司 | A kind of sewing-machine control systems and sewing machine |
-
2016
- 2016-12-09 CN CN201621354354.7U patent/CN206517329U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107742956A (en) * | 2017-11-28 | 2018-02-27 | 奥克斯空调股份有限公司 | A kind of motor operating circuit and air-conditioning |
| CN108388190A (en) * | 2018-05-07 | 2018-08-10 | 中山永裕智能科技有限公司 | A kind of sewing-machine control systems and sewing machine |
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