CN201248020Y - Corotation, reversion control circuit for exchange guide type single power supply DC motor - Google Patents
Corotation, reversion control circuit for exchange guide type single power supply DC motor Download PDFInfo
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- CN201248020Y CN201248020Y CNU2008200548232U CN200820054823U CN201248020Y CN 201248020 Y CN201248020 Y CN 201248020Y CN U2008200548232 U CNU2008200548232 U CN U2008200548232U CN 200820054823 U CN200820054823 U CN 200820054823U CN 201248020 Y CN201248020 Y CN 201248020Y
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Abstract
The utility model belongs to the field of mechanical and electronic integration and relates to a reversible control circuit of a transition single DC motor, which is characterized in that one end of a starting resistor R6 is connected with emitting electrodes of power tubes (BG3, BG4) and one end of a load M, and the other end of the starting resistor R6 is connected with emitting electrodes of symmetrical push tubes (BG5, BG6), collecting electrodes of transitions (BG2, BG1) are connected with the other end of the load M, two collecting electrodes of the symmetrical push tubes are respectively connected with one end of a current-limiting resistor R5 and one end of a current-limiting resistor R7, the other ends of the current-limiting resistor R5 and the current-limiting resistor R7 are respectively connected with base electrodes of the two transitions, emitting electrodes of the two transitions are respectively connected with the anode and the cathode of a power supply; two base electrodes of the symmetrical push tubes (BG5, BG6) are respectively connected to the anode and the cathode of a diode D2 and are respectively connected with the anode end and the cathode end of a voltage regulator tube D1 of polarization and voltage stabilization through a resistor R3 and a resistor R4.
Description
Technical field:
The utility model belongs to the electromechanical integration field, relates to a kind of changeable guide type single electric power dc electric machine regular, reverse turn control circuit.Relate to a kind of changeable conduction-type single power direct-current motor.
Background technology:
The forward and backward control circuit of present single electric power dc electric machine all uses similar Starting mode, all needs to control respectively with two road signals forward and backward of motor.This circuit then uses one road signal to control, and connects positive level or negative level (mid point with supply voltage is virtual zero point, divides positive and negative level), the i.e. forward and backward of may command direct current machine as long as change the biasing of its input.Entire circuit is when static state, and motor is to float on the point midway of supply voltage as load.
Summary of the invention:
This utility model technology is different fully with prior art on the thinking that circuit constitutes, and is a kind of new single electric power dc electric machine regular, reverse turn control circuit.Its beneficial effect is: the reactance voltage fluctuation, anti-pulse ripple, operate steadily, circuit self electromagnetic interference is very little, driving power is powerful, circuit in the Figure of description is the key content of this circuit, that is: connect power tube BG3 by starting resistance R6 one end, the end of the emitter of BG4 and load M, the other end connects symmetry and promotes pipe BG5, the emitter of BG6, change conduit BG2, the collector electrode of BG1 connects the other end of load M, two collector electrodes that symmetry promotes pipe connect current-limiting resistance R5 respectively, the end of R7, the other end of two current-limiting resistances connects two base stages of changing conduit respectively, and two emitters that change conduit are just connecting power supply respectively, negative pole; Symmetrical two base stages that promote pipe BG5, BG6 are connected to anode, the negative electrode (therefore voltage is fixed to 0.7V between the base stage of symmetry promotion pipe) of diode D2 respectively, and are connected with anode, the cathode terminal of the voltage-stabiliser tube D1 of first order voltage stabilizing biasing by resistance R 3, R4 respectively; Therefore when being based upon change in voltage on the load M with power tube BG3, BG4, starting resistance R6 is transmitted to symmetry when promoting to manage the emitter of BG5, BG6, one of them electric current that promotes pipe is increased and another promotes Guan Ze and is tending towards ending, thereby it is saturated to promote to change conduit (BG2 or BG1) trend, tend to saturated degree and decide, cooperate power tube to promote load with this by the size of current and the load impedance of power tube.
Description of drawings:
In Figure of description, supply voltage and transistor withstand voltage and power can be determined according to motor required voltage and power, wherein R1=R2, R3=R4, R5=R7, and triode BG1, BG2 are for changing conduit; Triode BG3, BG4 are power tube; Triode BG5, BG6 are for promoting pipe; M is a motor.Voltage is 0.7V between the base stage of symmetry promotion pipe, and the promotion pipe can not have reverse leakage.
Fig. 1 is the schematic diagram of changeable guide type single electric power dc electric machine regular, reverse turn control circuit.
Embodiment:
The concrete working condition of circuit is as follows: when input (in) when connecing positive level, biasing resistor R8 has electric current to flow through, and makes the BG4 conducting.BG4 draws high the current potential of BG5, BG6 emitter by resistance R 6, and this moment, BG5 was tending towards ending, and BG6 is conducting then, thereby the base stage that electric current just changes conduit BG1 by resistance R 7 inflows makes its trend saturated.The saturated degree of its trend is decided by the size of current of power tube BG4.So, just from power tube BG4 → motor → change conduit BG1 formation current path, motor just changes big electric current.In like manner, when input (in) when connecing negative level, biasing resistor R8 has electric current to flow through, and makes the BG3 conducting.BG3 drags down the current potential of BG5, BG6 emitter by resistance R 6, this moment, BG6 was tending towards ending, and BG5 is conducting then, thereby electric current just flows into the base stage of changing conduit BG2 by resistance R 5, make its trend saturated, the saturated degree of its trend is decided by the size of current of power tube BG3.So big electric current just forms current path from changing conduit BG2 → motor → power tube BG3, the motor counter-rotating.
The realization of circuit is: at first connect by 2 resistance R 1, R2 and 1 first order voltage stabilizing biasing that voltage-stabiliser tube D1 constitutes, wherein an end connects the anode of resistance R 1 its other end connection voltage-stabiliser tube D1 of positive source, one end connects the negative electrode of resistance R 2 its other ends connection voltage-stabiliser tube D1 of power cathode, and output end of pressure-stabilizing is anode, the cathode terminal of voltage-stabiliser tube D1; Connect again by 2 resistance R 3, R4 and 1 second level voltage stabilizing biasing that diode D2 series connection back is in parallel with voltage-stabiliser tube D1, wherein an end connects the anode of resistance R 3 its other ends connection diode D2 of voltage-stabiliser tube D1 anode, one end connects the negative electrode of resistance R 4 its other ends connection diode D2 of voltage-stabiliser tube D1 negative electrode, and output end of pressure-stabilizing is anode, the cathode terminal of diode D2.The base stage that so can make symmetry promote pipe BG5, BG6 has very stable quiescent bias current, has guaranteed symmetrical promotion pipe BG5, BG6 and has changed static working current constant of conduit BG1, BG2.And then with symmetry promotion pipe BG5, the base stage of BG6 is connected respectively to the anode of diode D2, cathode terminal, two emitters that symmetry promotes pipe are connected to each other and connect starting resistance R6, two collector electrodes that symmetry promotes pipe connect current-limiting resistance R5 respectively, the end of R7, the other end of two current-limiting resistances connects respectively and changes conduit BG2, the base stage of BG1, two emitters that change conduit are just connecting power supply respectively, negative pole, two collector electrodes that change conduit are connected to each other and connect the other end of motor M, two power tube BG4, the emitter of BG3 is connected to each other and connects an end and the starting resistance R6 of motor M, and the collector electrode of two power tubes is just connecting power supply respectively, negative pole.
Reach above-mentioned steps shown in the by specification accompanying drawing and manufactured this circuit, the emitter that promotes pipe BG5, BG6 is placed the mid point of supply voltage, and choosing to promote pipe BG5, BG6 be that high β value NPN and positive-negative-positive are to managing, the β value is between 350～500, and whole transistors get final product ± 5% the Matching Error of pipe in the accompanying drawing.
Claims (3)
1. changeable guide type single electric power dc electric machine regular, reverse turn control circuit, it is characterized in that: connect power tube BG3, the emitter of BG4 and the end of load M by starting resistance R6 one end, the other end connects the emitter that symmetry promotes pipe BG5, BG6, the collector electrode that changes conduit BG2, BG1 connects the other end of load M, two collector electrodes of symmetry promotion pipe connect the end of current-limiting resistance R5, R7 respectively, the other end of two current-limiting resistances connects two base stages of changing conduit respectively, and two emitters that change conduit connect the positive and negative electrode of power supply respectively; Two base stages that symmetry promotes pipe BG5, BG6 are connected to anode, the negative electrode of diode D2 respectively, and are connected with anode, the cathode terminal of the voltage-stabiliser tube D1 of first order voltage stabilizing biasing by resistance R 3, R4 respectively.
2. according to the described changeable guide type single electric power dc electric machine regular of claim 1., reverse turn control circuit, its feature comprises: by 2 resistance R 1, R2 and 1 first order voltage stabilizing biasing that voltage-stabiliser tube D1 constitutes, wherein an end connects the anode of resistance R 1 its other end connection voltage-stabiliser tube D1 of positive source, one end connects the negative electrode of resistance R 2 its other ends connection voltage-stabiliser tube D1 of power cathode, and output end of pressure-stabilizing is anode, the cathode terminal of voltage-stabiliser tube D1.
3. according to the described changeable guide type single electric power dc electric machine regular of claim 1., reverse turn control circuit, its feature comprises: by 2 resistance R 3, R4 and 1 second level voltage stabilizing biasing that diode D2 series connection back is in parallel with voltage-stabiliser tube D1, wherein an end connects the anode of resistance R 3 its other ends connection diode D2 of voltage-stabiliser tube D1 anode, one end connects the negative electrode of resistance R 4 its other ends connection diode D2 of voltage-stabiliser tube D1 negative electrode, and output end of pressure-stabilizing is anode, the cathode terminal of diode D2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200548232U CN201248020Y (en) | 2008-01-17 | 2008-01-17 | Corotation, reversion control circuit for exchange guide type single power supply DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200548232U CN201248020Y (en) | 2008-01-17 | 2008-01-17 | Corotation, reversion control circuit for exchange guide type single power supply DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201248020Y true CN201248020Y (en) | 2009-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200548232U Expired - Fee Related CN201248020Y (en) | 2008-01-17 | 2008-01-17 | Corotation, reversion control circuit for exchange guide type single power supply DC motor |
Country Status (1)
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| CN (1) | CN201248020Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107546722A (en) * | 2017-09-01 | 2018-01-05 | 北京机械设备研究所 | A kind of DC motor positive and negative rotation protects control circuit |
-
2008
- 2008-01-17 CN CNU2008200548232U patent/CN201248020Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107546722A (en) * | 2017-09-01 | 2018-01-05 | 北京机械设备研究所 | A kind of DC motor positive and negative rotation protects control circuit |
| CN107546722B (en) * | 2017-09-01 | 2019-04-19 | 北京机械设备研究所 | A kind of DC motor positive and negative rotation protection control circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090527 Termination date: 20170117 |