CN207896897U - A kind of motor-drive circuit with isolation coupling function - Google Patents
A kind of motor-drive circuit with isolation coupling function Download PDFInfo
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- CN207896897U CN207896897U CN201721701182.0U CN201721701182U CN207896897U CN 207896897 U CN207896897 U CN 207896897U CN 201721701182 U CN201721701182 U CN 201721701182U CN 207896897 U CN207896897 U CN 207896897U
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Abstract
The utility model discloses a kind of motor-drive circuits with isolation coupling function, it is provided with motor M, driving circuit, tri-state gate circuit and termination power, coupler VLC1, coupler VLC3, diode D1, resistance R15, diode D2 and resistance R16 are provided in termination power, diode D1 and resistance R15 is in parallel and is connected in coupler VLC1 between the emitter and ground of phototriode, the emitter of phototriode connects tri-state gate circuit in coupler VLC1, and the collector of phototriode connects driving circuit in coupler VLC1；Diode D2 and resistance R16 is in parallel and is connected in coupler VLC3 between the emitter and ground of phototriode, the emitter of phototriode connects tri-state gate circuit in coupler VLC3, the collector of phototriode connects driving circuit in coupler VLC3, and driving circuit connects motor M；Front-end control signal output apparatus can be avoided to constitute signal interference to rear end driving circuit, the case where normal operation for influencing motor M occurs.
Description
Technical field
The utility model is related to the fields such as electronic circuit technology, motor-drive technique, are a kind of band isolation couplings specifically
Close the motor-drive circuit of function.
Background technology
Dc motor is the motor that direct current energy is converted to mechanical energy.In electricity due to its good speed adjusting performance
It is used widely in power dragging.Dc motor is divided into 3 classes of permanent magnetism, separate excitation and self-excitation by excitation mode, wherein self-excitation is divided into
For 3 kinds of shunt excitation, series excitation and compound excitation.
When DC power supply is powered by brush to armature winding, the poles the N lower conductor of armature surface can flow through phase Tongfang
To electric current, will be by anticlockwise moment loading according to left hand rule conductor；The poles armature surface S lower part sub-conductor also flows
The electric current for crossing the same direction, also will be by anticlockwise moment loading also according to left hand rule conductor.In this way, entire electricity
Pivot winding, that is, rotor will be converted into the mechanical energy of rotor on-axis output by rotation counterclockwise, the direct current energy of input.By stator
It is formed with rotor, stator：Pedestal, main pole, commutating pole, brushgear etc.；Rotor（Armature）：Armature core, armature winding change
To device, shaft and fan etc..
The performance of dc motor is closely related with its excitation mode, and the excitation mode of usual dc motor has 4 kinds：
DC separately excited motor, DC shunt motor, D.C. series motor and DC compound motor.
DC separately excited motor：Exciting Windings for Transverse Differential Protection and armature be not electric to be contacted, and field circuit is supplied by other DC power supply
It gives.Therefore exciting current is not influenced by armature terminal voltage or armature supply.
DC shunt motor:Circuit in parallel, shunting, shunt connection of excitation wind both end voltage is exactly armature both end voltage, but is encouraged
Magnetic winding is coiled into thin wire, and there are many number of turns, therefore has larger resistance so that smaller by his exciting current.
D.C. series motor：Current-series, partial pressure, Exciting Windings for Transverse Differential Protection is concatenated with armature, so in this motor
There is significant change in magnetic field with the change of armature supply.In order to make that big loss and voltage drop will not be caused in Exciting Windings for Transverse Differential Protection,
The resistance of Exciting Windings for Transverse Differential Protection is the smaller the better, so D.C. series motor is usually coiled into thicker conducting wire, his the number of turns is less.
DC compound motor：The magnetic flux of motor is generated by the exciting current in two windings.
Utility model content
The purpose of this utility model is to provide a kind of motor-drive circuits with isolation coupling function, utilize termination power
Control signal is transported to tri-state gate circuit, then is transferred in driving circuit by tri-state gate circuit so that driving circuit driving electricity
Machine M work, the use of termination power can avoid directly controlling in signal loading to driving circuit to cause front-end control
Signal output apparatus constitutes signal interference to rear end driving circuit, and the case where normal operation for influencing motor M occurs.
The utility model is achieved through the following technical solutions：A kind of motor-drive circuit with isolation coupling function, setting
Have motor M, driving circuit, tri-state gate circuit and a termination power, the driving circuit connects tri-state gate circuit, tri-state gate circuit with
Termination power is connected；Be provided in the termination power coupler VLC1, coupler VLC3, diode D1, resistance R15,
Diode D2 and resistance R16, diode D1 and resistance R15 parallel connections and the emitter for being connected to phototriode in coupler VLC1
Between ground, the emitter of phototriode connects tri-state gate circuit in coupler VLC1, phototriode in coupler VLC1
Collector connect driving circuit；Diode D2 and resistance R16 is in parallel and is connected to the hair of phototriode in coupler VLC3
Between emitter-base bandgap grading and ground, the emitter of phototriode connects tri-state gate circuit in coupler VLC3, photosensitive three in coupler VLC3
The collector of pole pipe connects driving circuit, and driving circuit connects motor M.
Further is that the utility model is better achieved, and especially uses following setting structures：In the coupler VLC1
The cathode of photodiode is grounded by resistance R17, and the cathode of photodiode is grounded by resistance R18 in coupler VLC3.
Further is that the utility model is better achieved, and especially uses following setting structures：The diode D1 and two
Pole pipe D2 all uses light emitting diode, and the cathode ground connection of diode D1, the cathode of diode D2 are also grounded.
Further is that the utility model is better achieved, and especially uses following setting structures：The tri-state gate circuit packet
Triple gate S1, triple gate S2, triple gate S3 and triple gate S4 are included, the input terminal of triple gate S1 is separately connected light in coupler VLC1
The input terminal of the input terminal of the emitter and triple gate S4 of quick triode, triple gate S3 is separately connected photosensitive three in coupler VLC3
The input terminal of the emitter and triple gate S2 of pole pipe, the output end of the control terminal connection triple gate S2 of triple gate S1, triple gate S3
Control terminal connection triple gate S4 output end, the control terminal ground connection of triple gate S2, the control terminal ground connection of triple gate S4；Triple gate
S1, triple gate S2, triple gate S3 and triple gate S4 output end all connect driving circuit.
Further is that the utility model is better achieved, and especially uses following setting structures：The driving circuit includes
The output end of first driving circuit, the second driving circuit, third driving circuit, the 4th driving circuit, the triple gate S1 passes through
Resistance R11 the first driving circuits of connection, the first driving circuit are connected with the second driving circuit, the output end of the triple gate S2
It is connected with the second driving circuit by resistance R12；The output end of the triple gate S3 drives electricity by resistance R13 connection thirds
Road, third driving circuit are connected with the 4th driving circuit, and the output end of the triple gate S4 is driven by resistance R14 and second
Circuit is connected, and motor M turns to winding and connects the first driving circuit, the second driving circuit, third driving circuit and the 4th driving
Circuit.
Further is that the utility model is better achieved, and especially uses following setting structures：First driving circuit
Including triode V1, triode V5, triode V6, resistance R2 and resistance R3, the 4th driving circuit includes triode V4, three
Pole pipe V10, resistance R8, resistance R9, resistance R11 are connected with the base stage of triode V1, and the emitter of triode V1 connects three poles
The base stage of pipe V5, the collector of the triode V1 collection with phototriode in the collector of triode V4 and coupler VLC1 respectively
Electrode is connected, and the collector of triode V5 is passed through by the base stage of resistance R2 connecting triodes V6, the emitter of triode V5
The collector of resistance R3 ground connection, triode V6 connects the second driving circuit and motor M turns to the first end of winding；Resistance R14 connects
The base stage of triode V4 is connect, the emitter of triode V4 passes through the base stage of resistance R8 connecting triodes V10, the hair of triode V10
Emitter grounding, and the base stage of triode V10 is also grounded by resistance R9, the collector of triode V10 drives electricity with third respectively
The second end that road turns to winding with motor M is connected.
Further is that the utility model is better achieved, and especially uses following setting structures：The triode V6's
Voltage-stabiliser tube Z1, and the emitter of the cathode connecting triode V6 of voltage-stabiliser tube Z1 are additionally provided between emitter and collector；Institute
It states and is additionally provided with voltage-stabiliser tube Z4, and the positive connecting triode V10 of voltage-stabiliser tube Z4 between the emitter and collector of triode V10
Emitter.
Further is that the utility model is better achieved, and especially uses following setting structures：The third driving circuit
Include triode V2, three including triode V3, triode V8, triode V9, resistance R6 and resistance R7, second driving circuit
Pole pipe V7, resistance R4, resistance R5, resistance R13 are connected with the base stage of triode V3, the emitter connecting triode of triode V3
The base stage of V8, the collector of the triode V3 current collection with phototriode in the collector of triode V2 and coupler VLC1 respectively
Pole is connected, and the collector of triode V8 passes through electricity by the base stage of resistance R6 connecting triodes V9, the emitter of triode V8
R7 ground connection is hindered, the collector connection motor M of triode V9 turns to the second end of winding；The base stage of resistance R12 connecting triodes V2,
The emitter of triode V2 passes through the base stage of resistance R4 connecting triodes V7, the emitter ground connection of triode V7, and triode V7
Base stage be also grounded by resistance R5, the first end that the collector of triode V7 turns to winding with motor M is connected.
Further is that the utility model is better achieved, and especially uses following setting structures：The triode V7's
Voltage-stabiliser tube Z2, and the emitter of the positive connecting triode V7 of voltage-stabiliser tube Z2 are additionally provided between emitter and collector；Institute
It states and is additionally provided with voltage-stabiliser tube Z3 between the emitter and collector of triode V9, and the cathode connecting triode V9 of voltage-stabiliser tube Z3
Emitter.
Further is that the utility model is better achieved, and especially uses following setting structures：It is turned on winding in motor M
Also it is parallel with resistance R1.
The utility model compared with prior art, has the following advantages and advantageous effect：
The utility model is transported to tri-state gate circuit using termination power by signal is controlled, then is transferred to by tri-state gate circuit
In driving circuit so that the M work of driving circuit driving motor, the use of termination power can avoid directly controlling signal loading
To cause front-end control signal output apparatus to constitute signal interference to rear end driving circuit in driving circuit, motor M is influenced
Normal operation the case where occur.
The utility model can realize that the main story of motor and reversion control, and with the high characteristic of control accuracy.
The utility model is gated using triple gate, can effectively improve the driving stability of entire motor-drive circuit
And control reliability.
Description of the drawings
Fig. 1 is the utility model circuit diagram.
Specific implementation mode
The utility model is described in further detail with reference to embodiment, but the embodiment of the utility model is not
It is limited to this.
Embodiment 1：
A kind of motor-drive circuit with isolation coupling function will control signal using termination power and be transported to triple gate electricity
Road, then be transferred in driving circuit by tri-state gate circuit so that the M work of driving circuit driving motor, termination power use energy
Enough avoiding directly will be electric to cause front-end control signal output apparatus to drive rear end in control signal loading to driving circuit
The case where road composition signal interference, the normal operation for influencing motor M, occurs, as shown in Figure 1, especially using following setting structures：
It is provided with motor M, driving circuit, tri-state gate circuit and termination power, the driving circuit connects tri-state gate circuit, triple gate electricity
Road is connected with termination power；Coupler VLC1, coupler VLC3, diode D1, resistance are provided in the termination power
R15, diode D2 and resistance R16, diode D1 and resistance R15 parallel connections and the hair for being connected to phototriode in coupler VLC1
Between emitter-base bandgap grading and ground, the emitter of phototriode connects tri-state gate circuit in coupler VLC1, photosensitive three in coupler VLC1
The collector of pole pipe connects driving circuit；Diode D2 and resistance R16 is in parallel and is connected to phototriode in coupler VLC3
Emitter and ground between, the emitter of phototriode connects tri-state gate circuit in coupler VLC3, light in coupler VLC3
The collector of quick triode connects driving circuit, and driving circuit connects motor M, and preferred 110V direct currents pass through the ports Uo and ground
It is loaded on the armature winding of motor M.
Embodiment 2：
The present embodiment is further optimized based on the above embodiments, as shown in Figure 1, further is preferably real
Existing the utility model, especially uses following setting structures：The cathode of photodiode in the coupler VLC1（2 feet）Pass through electricity
It hinders R17 to be grounded, the cathode of photodiode in coupler VLC3（6）It is grounded by resistance R18.
Embodiment 3：
The present embodiment is to advanced optimize based on any of the above embodiments, as shown in Figure 1, further is more preferable
The utility model is realized on ground, especially uses following setting structures：The diode D1 and diode D2 all uses light emitting diode,
And the cathode ground connection of diode D1, the cathode of diode D2 are also grounded.
Embodiment 4：
The present embodiment is to advanced optimize based on any of the above embodiments, as shown in Figure 1, further is more preferable
The utility model is realized on ground, especially uses following setting structures：The tri-state gate circuit includes triple gate S1, triple gate S2, three
State door S3 and triple gate S4, the input terminal of triple gate S1（2 feet）It is separately connected the emitter of phototriode in coupler VLC1
（15 feet）With the input terminal of triple gate S4（12 feet）, the input terminal of triple gate S3（9 feet）It is separately connected photosensitive in coupler VLC3
The emitter of triode（11 feet）With the input terminal of triple gate S2（5 feet）, the control terminal of triple gate S1（1 foot）Connect triple gate S2
Output end（6 feet）, the control terminal of triple gate S3（10 feet）Connect the output end of triple gate S4（11 feet）, the control of triple gate S2
End（4 feet）Ground connection, the control terminal of triple gate S4（13 feet）Ground connection；Triple gate S1, triple gate S2, triple gate S3 and triple gate S4
Output end all connects driving circuit.
Embodiment 5：
The present embodiment is to advanced optimize based on any of the above embodiments, as shown in Figure 1, further is more preferable
The utility model is realized on ground, especially uses following setting structures：The driving circuit includes the first driving circuit, the second driving electricity
Road, third driving circuit, the 4th driving circuit, the output end of the triple gate S1（3 feet）It is driven by resistance R11 connections first
Circuit, the first driving circuit are connected with the second driving circuit, the output end of the triple gate S2（6 feet）By resistance R12 with
Second driving circuit is connected；The output end of the triple gate S3（8 feet）Pass through resistance R13 connection third driving circuits, third
Driving circuit is connected with the 4th driving circuit, the output end of the triple gate S4（11 feet）It is driven by resistance R14 and second
Circuit is connected, and motor M turns to winding and connects the first driving circuit, the second driving circuit, third driving circuit and the 4th driving
Circuit.
Embodiment 6：
The present embodiment is to advanced optimize based on any of the above embodiments, as shown in Figure 1, further is more preferable
The utility model is realized on ground, especially uses following setting structures：First driving circuit include triode V1, triode V5,
Triode V6, resistance R2 and resistance R3, the 4th driving circuit include triode V4, triode V10, resistance R8, resistance R9,
Resistance R11 is connected with the base stage of triode V1, the base stage of the emitter connecting triode V5 of triode V1, the collection of triode V1
The electrode collector with phototriode in the collector of triode V4 and coupler VLC1 respectively（16 feet）It is connected, triode
The collector of V5 is grounded by the base stage of resistance R2 connecting triodes V6, the emitter of triode V5 by resistance R3, triode
The collector of V6 connects the second driving circuit and motor M turns to the first end of winding；The base stage of resistance R14 connecting triodes V4,
The emitter of triode V4 passes through the base stage of resistance R8 connecting triodes V10, the emitter ground connection of triode V10, and triode
The base stage of V10 is also grounded by resistance R9, and the collector of triode V10 turns to winding with third driving circuit and motor M respectively
Second end be connected.
Preferred triode V1, triode V5, triode V4 and triode V10 all use NPN type triode, triode V6
Select PNP type triode.
Embodiment 7：
The present embodiment is to advanced optimize based on any of the above embodiments, as shown in Figure 1, further is more preferable
The utility model is realized on ground, especially uses following setting structures：It is also set between the emitter and collector of the triode V6
It is equipped with voltage-stabiliser tube Z1, and the emitter of the cathode connecting triode V6 of voltage-stabiliser tube Z1；In the emitter sum aggregate of the triode V10
Voltage-stabiliser tube Z4, and the emitter of the positive connecting triode V10 of voltage-stabiliser tube Z4 are additionally provided between electrode.
Embodiment 8：
The present embodiment is to advanced optimize based on any of the above embodiments, as shown in Figure 1, further is more preferable
The utility model is realized on ground, especially uses following setting structures：The third driving circuit include triode V3, triode V8,
Triode V9, resistance R6 and resistance R7, second driving circuit include triode V2, triode V7, resistance R4, resistance R5,
Resistance R13 is connected with the base stage of triode V3, the base stage of the emitter connecting triode V8 of triode V3, the collection of triode V3
The electrode collector with phototriode in the collector of triode V2 and coupler VLC1 respectively（16 feet）It is connected, triode
The collector of V8 is grounded by the base stage of resistance R6 connecting triodes V9, the emitter of triode V8 by resistance R7, triode
The collector connection motor M of V9 turns to the second end of winding；The base stage of resistance R12 connecting triodes V2, the transmitting of triode V2
Pole is by the base stage of resistance R4 connecting triodes V7, the emitter ground connection of triode V7, and the base stage of triode V7 also passes through electricity
R5 ground connection is hindered, the collector of triode V7 is connected with the first end of motor M steering windings.
Embodiment 9：
The present embodiment is to advanced optimize based on any of the above embodiments, as shown in Figure 1, further is more preferable
The utility model is realized on ground, especially uses following setting structures：It is also set between the emitter and collector of the triode V7
It is equipped with voltage-stabiliser tube Z2, and the emitter of the positive connecting triode V7 of voltage-stabiliser tube Z2；In the emitter sum aggregate of the triode V9
Voltage-stabiliser tube Z3, and the emitter of the cathode connecting triode V9 of voltage-stabiliser tube Z3 are additionally provided between electrode.Preferred triode V2,
Triode V7, triode V3 and triode V8 all use NPN type triode, triode V9 to select PNP type triode.Preferably
NPN type triode uses BU508, PNP type triode to use 3DA87.
Embodiment 10：
The present embodiment is to advanced optimize based on any of the above embodiments, as shown in Figure 1, further is more preferable
The utility model is realized on ground, especially uses following setting structures：It is turned in motor M and is also parallel with resistance R1 on winding.
In design in use, in coupler VLC1 and coupler VLC2 access+5V on the collector of phototriode
Direct current is terminated fashionable by IN2, works as rising when the control signal of rising edge terminates the control signal into, failing edge by IN1
When signal passes through VLC1.Light emitting diode D1 conductings are shinny, and establish voltage on resistance R15, which is added in triple gate S1
2 pins and triple gate S4 12 leads ends, at the same time, due to coupler VLC3 no signals, light emitting diode D2 cut-offs,
No-voltage on resistance R16,5 foot of input terminal of triple gate S2 is low level at this time, which is exported by triple gate S2
Give triple gate S1 control terminals（1 foot）, triple gate S1 gatings.While triple gate S1 conductings, the triple gate S4 output signals of gating
It is added to the control terminal of triple gate S3（10 feet）, block triple gate S3.
When dropping signal is by coupler VLC3, light emitting diode D2 conductings, and voltage is established on resistance R16, it should
Voltage is added to 9 feet of triple gate S3 and 5 feet of triple gate S2；At the same time, due to coupler VLC1 no signals, light emitting diode
D1 ends, no-voltage on resistance R15, and 12 foot of input terminal of triple gate S4 is low level at this time, which passes through tri-state
Door S4, exports to the control terminal of triple gate S3（10 feet）, triple gate S3 gatings.While triple gate S2 is connected, the three of gating
State door S2 output signals are added to the control terminal of triple gate S1（1 foot）, block triple gate S1.
It is to motor M controls：When triple gate S1, triple gate S2, triple gate S4 gating, triode V1, triode V5,
Triode V6, triode V4, triode V10 conductings；Triode V2, triode V7, triode V3, triode V8, triode V9
Cut-off.Due to triode V6 and triode V10 conductings, 110 V voltages of direct current are applied directly to motor M and turn to winding both ends, motor M
Just（Instead）Turn；When triple gate S2, triple gate S3, triple gate S4 gatings, triode V2, triode V7, triode V3, triode
V8, triode V9 conductings；Triode V1, triode V5, triode V6, triode V4, triode V10 cut-offs, due to triode
V9 and triode V7 conductings, 110 V voltages of direct current are applied directly to motor M and turn to winding both ends, and motor M is anti-（Just）Turn.
The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model
System, any simple modification made by the above technical examples according to the technical essence of the present invention, equivalent variations, each falls within
Within the scope of protection of the utility model.
Claims (10)
1. a kind of motor-drive circuit with isolation coupling function, it is characterised in that：It is provided with motor M, driving circuit, triple gate
Circuit and termination power, the driving circuit connect tri-state gate circuit, and tri-state gate circuit is connected with termination power；In the coupling
It closes in circuit and is provided with coupler VLC1, coupler VLC3, diode D1, resistance R15, diode D2 and resistance R16, diode
D1 and resistance R15 is in parallel and is connected in coupler VLC1 between the emitter and ground of phototriode, light in coupler VLC1
The emitter of quick triode connects tri-state gate circuit, and the collector of phototriode connects driving circuit in coupler VLC1；Two
Pole pipe D2 and resistance R16 is in parallel and is connected in coupler VLC3 between the emitter and ground of phototriode, coupler VLC3
The emitter of interior phototriode connects tri-state gate circuit, the collector connection driving electricity of phototriode in coupler VLC3
Road, driving circuit connect motor M.
2. a kind of motor-drive circuit with isolation coupling function according to claim 1, it is characterised in that：The coupling
The cathode of photodiode is grounded by resistance R17 in device VLC1, and the cathode of photodiode passes through resistance in coupler VLC3
R18 is grounded.
3. a kind of motor-drive circuit with isolation coupling function according to claim 1, it is characterised in that：Two pole
Pipe D1 and diode D2 all uses light emitting diode, and the cathode ground connection of diode D1, the cathode of diode D2 are also grounded.
4. a kind of motor-drive circuit with isolation coupling function according to claim 1, it is characterised in that：The tri-state
Gate circuit includes triple gate S1, triple gate S2, triple gate S3 and triple gate S4, and the input terminal of triple gate S1 is separately connected coupler
The input terminal of the input terminal of the emitter of phototriode and triple gate S4 in VLC1, triple gate S3 is separately connected coupler VLC3
The input terminal of the emitter and triple gate S2 of interior phototriode, the output end of the control terminal connection triple gate S2 of triple gate S1,
The output end of the control terminal connection triple gate S4 of triple gate S3, the control terminal ground connection of triple gate S2, the control termination of triple gate S4
Ground；Triple gate S1, triple gate S2, triple gate S3 and triple gate S4 output end all connect driving circuit.
5. a kind of motor-drive circuit with isolation coupling function according to claim 4, it is characterised in that：The driving
Circuit includes the first driving circuit, the second driving circuit, third driving circuit, the 4th driving circuit, and the triple gate S1's is defeated
Outlet is connected by resistance R11 the first driving circuits of connection, the first driving circuit with the second driving circuit, the triple gate S2
Output end be connected with the second driving circuit by resistance R12；The output end of the triple gate S3 passes through resistance R13 connections
Three driving circuits, third driving circuit are connected with the 4th driving circuit, the output end of the triple gate S4 by resistance R14 with
Second driving circuit is connected, motor M turn to winding connect the first driving circuit, the second driving circuit, third driving circuit and
4th driving circuit.
6. a kind of motor-drive circuit with isolation coupling function according to claim 5, it is characterised in that：Described first
Driving circuit includes triode V1, triode V5, triode V6, resistance R2 and resistance R3, and the 4th driving circuit includes three
Pole pipe V4, triode V10, resistance R8, resistance R9, resistance R11 are connected with the base stage of triode V1, the emitter of triode V1
The base stage of connecting triode V5, the collector of triode V1 is respectively in the collector of triode V4 and coupler VLC1 photosensitive three
The collector of pole pipe is connected, and the collector of triode V5 passes through the base stage of resistance R2 connecting triodes V6, the hair of triode V5
Emitter-base bandgap grading is grounded by resistance R3, and the collector of triode V6 connects the second driving circuit and motor M turns to the first end of winding；Electricity
The base stage of R14 connecting triodes V4 is hindered, the emitter of triode V4 passes through the base stage of resistance R8 connecting triodes V10, triode
The emitter of V10 is grounded, and the base stage of triode V10 is also grounded by resistance R9, the collector of triode V10 respectively with third
The second end that driving circuit turns to winding with motor M is connected.
7. a kind of motor-drive circuit with isolation coupling function according to claim 6, it is characterised in that：Described three
Voltage-stabiliser tube Z1, and the transmitting of the cathode connecting triode V6 of voltage-stabiliser tube Z1 are additionally provided between the emitter and collector of pole pipe V6
Pole；Voltage-stabiliser tube Z4, and the anode connection three of voltage-stabiliser tube Z4 are additionally provided between the emitter and collector of the triode V10
The emitter of pole pipe V10.
8. a kind of motor-drive circuit with isolation coupling function according to claim 5, it is characterised in that：The third
Driving circuit includes triode V3, triode V8, triode V9, resistance R6 and resistance R7, and second driving circuit includes three
Pole pipe V2, triode V7, resistance R4, resistance R5, resistance R13 are connected with the base stage of triode V3, the emitter of triode V3
The base stage of connecting triode V8, the collector of triode V3 is respectively in the collector of triode V2 and coupler VLC1 photosensitive three
The collector of pole pipe is connected, and the collector of triode V8 passes through the base stage of resistance R6 connecting triodes V9, the hair of triode V8
Emitter-base bandgap grading is grounded by resistance R7, and the collector connection motor M of triode V9 turns to the second end of winding；Three pole of resistance R12 connections
The base stage of pipe V2, the emitter of triode V2 is by the base stage of resistance R4 connecting triodes V7, the emitter ground connection of triode V7,
And the base stage of triode V7 is also grounded by resistance R5, the collector of triode V7 is connected with the first end of motor M steering windings
It connects.
9. a kind of motor-drive circuit with isolation coupling function according to claim 8, it is characterised in that：Described three
Voltage-stabiliser tube Z2, and the transmitting of the positive connecting triode V7 of voltage-stabiliser tube Z2 are additionally provided between the emitter and collector of pole pipe V7
Pole；Voltage-stabiliser tube Z3, and the cathode connection three of voltage-stabiliser tube Z3 are additionally provided between the emitter and collector of the triode V9
The emitter of pole pipe V9.
10. according to a kind of motor-drive circuit with isolation coupling function of claim 5-9 any one of them, feature exists
In：It is turned in motor M and is also parallel with resistance R1 on winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721701182.0U CN207896897U (en) | 2017-12-08 | 2017-12-08 | A kind of motor-drive circuit with isolation coupling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721701182.0U CN207896897U (en) | 2017-12-08 | 2017-12-08 | A kind of motor-drive circuit with isolation coupling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207896897U true CN207896897U (en) | 2018-09-21 |
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| CN201721701182.0U Expired - Fee Related CN207896897U (en) | 2017-12-08 | 2017-12-08 | A kind of motor-drive circuit with isolation coupling function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107888115A (en) * | 2017-12-08 | 2018-04-06 | 成都互聚科技有限公司 | A kind of motor-drive circuit with isolation coupling function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107888115A (en) * | 2017-12-08 | 2018-04-06 | 成都互聚科技有限公司 | A kind of motor-drive circuit with isolation coupling function |
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Granted publication date: 20180921 Termination date: 20201208 |