CN203859710U - Direct-current motor positive/negative rotation control circuit - Google Patents
Direct-current motor positive/negative rotation control circuit Download PDFInfo
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- CN203859710U CN203859710U CN201420252098.5U CN201420252098U CN203859710U CN 203859710 U CN203859710 U CN 203859710U CN 201420252098 U CN201420252098 U CN 201420252098U CN 203859710 U CN203859710 U CN 203859710U
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- 230000006378 damage Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model provides a direct-current motor positive/negative rotation control circuit and belongs to the technical field of the direct-current motor control circuits. The technical problem to be solved is to provide a direct-current motor positive/negative rotation control circuit which is simple in control circuit and low in component cost, and the adopted technical scheme is as follows: the direct-current motor positive/negative rotation control circuit comprises a direct-current motor M1, a relay CJ1, a relay CJ2, a stop button SB1, a positive rotation button SB2, a negative rotation button SB3, a triode and a resistor, wherein the relay CJ1 comprises a coil CJ1.1, a normally open contact CJ1.2 and a normally closed contact CJ1.3; the relay CJ2 comprises a coil CJ2.1, a normally open contact CJ2.2 and a normally closed contact CJ2.3. The direct-current motor positive/negative rotation control circuit is applicable to the direct-current motor field.
Description
Technical field
The utility model belongs to DC motor control circuit technical field, is specially a kind of DC motor positive and negative rotation control circuit.
Background technology
Along with motor manufacturing technology increasingly mature, simple to operate, control direct current machine easily and be more and more applied in all trades and professions, the design of direct current machine driver circuit has been received to increasing concern.Direct current machine has the features such as direct current supply, speed governing is level and smooth, quick, speed adjustable range is wide; Utilize the forward and reverse rotation of direct current machine, the method that realizes system control is joined in various electric equipment products in a large number, so be necessary very much direct current machine to drive the cost of control circuit to carry out necessary control, decline with the holistic cost that ensures product, thereby make product in market competition, occupy favourable position.
Novel DC motor positive and negative rotation of the prior art drives control method mainly to adopt the forward and reverse controller of direct current machine, forward and reverse driving control of direct current machine mainly adopts field effect transistor or relay to realize, its driver circuit needs 4 field effect transistor or relay, price is comparatively expensive, need the forward and reverse driving control device of a kind of novel direct current machine for this reason, in realizing DC motor positive and negative rotation driving control function, reduce the cost of driver circuit.
Summary of the invention
The utility model overcomes the deficiency that prior art exists, and technical problem to be solved is: provide a kind of control circuit succinct, the DC motor positive and negative rotation control circuit that element cost is low.
The utility model is to adopt following technical scheme to realize: a kind of DC motor positive and negative rotation control circuit, comprise: direct current machine M1, relay CJ1, relay CJ2, stop button SB1, forward button SB2, invert button SB3, triode and resistance, wherein: described relay CJ1 comprises coil CJ1.1, normally opened contact CJ1.2 and normally-closed contact CJ1.3; Described relay CJ2 comprises that coil CJ2.1, normally opened contact are CJ2.2 and normally-closed contact CJ2.3.
One end of described stop button SB1 is connected with positive source VCC, the other end of stop button SB1 and succeed one end of normally-closed contact CJ2.3 of electrical equipment CJ2 after be connected with one end of the normally-closed contact CJ1.3 of relay CJ1, the other end of the normally-closed contact CJ2.3 of described relay CJ2 is connected in series the normally opened contact CJ1.2 of relay CJ1 successively, the coil CJ1.1 of relay CJ1 with after resistance R 1, be connected with the base stage of NPN type triode Q1, the other end of the normally-closed contact CJ1.3 of described relay CJ1 is connected in series the normally opened contact CJ2.2 of relay CJ2 successively, the coil CJ2.1 of relay CJ2 with after resistance R 2, be connected with the base stage of NPN type triode Q2, described forward button SB2 is attempted by the two ends of the normally opened contact CJ1.2 of above-mentioned relay CJ1, described invert button SB3 is attempted by the two ends of the normally opened contact CJ2.2 of above-mentioned relay CJ2.
After the collector series connection resistance R 3 of described NPN type triode Q1, be connected with the base stage of positive-negative-positive triode Q3, the emitter of described NPN type triode Q1 is connected with the base stage of NPN type triode Q6, after the collector series connection resistance R 4 of described NPN type triode Q2, be connected with the base stage of positive-negative-positive triode Q5, the emitter of described NPN type triode Q2 is connected with the base stage of NPN type triode Q4.
The emitter of described positive-negative-positive triode Q3 and connect the emitter of positive-negative-positive triode Q5 after be connected with positive source VCC, the collector electrode of described positive-negative-positive triode Q3 is connected with the collector electrode of NPN type triode Q4, the collector electrode of described positive-negative-positive triode Q5 is connected with the collector electrode of NPN type triode Q6, the emitter of described NPN type triode Q4 and connect the emitter of NPN type triode Q6 after ground connection.
One end of described direct current machine M1 is connected with the line between the collector electrode of above-mentioned positive-negative-positive triode Q3 and the collector electrode of NPN type triode Q4, and the other end of direct current machine M1 is connected with the line between the collector electrode of above-mentioned positive-negative-positive triode Q5 and the collector electrode of NPN type triode Q6.
Above-mentioned positive-negative-positive triode Q3, NPN type triode Q4, positive-negative-positive triode Q5, NPN type triode Q6 form 4 brachium pontis, NPN type triode Q1 controls positive-negative-positive triode Q3 and NPN type triode Q6 turn-on and turn-off, realize the prograde circuit turn-on and turn-off of motor, NPN type triode Q2 controls NPN type triode Q4 and positive-negative-positive triode Q5 turn-on and turn-off, realizes the circuit for reversing turn-on and turn-off of motor.
In the time pressing forward button SB2, the base stage of NPN type triode Q1 is high level, positive-negative-positive triode Q3 and NPN type triode Q6 conducting, realize the forward of motor, simultaneously the coil CJ1.1 of relay CJ1 obtains electric adhesive, and its normally opened contact CJ1.2 closure realizes the lasting forward of motor, now interlock circuit for reversing, the forward that has both realized motor prevents that misoperation from causing the destruction of circuit simultaneously.Press stop button SB1, realize stopping of motor.
In like manner, press invert button SB3, the base stage of NPN type triode Q2 is high level, positive-negative-positive triode Q5 and NPN type triode Q4 conducting, realize the reversion of motor, and the coil CJ2.1 of relay CJ2 obtains electric adhesive simultaneously, its normally opened contact CJ2.2 closure, realize the lasting reversion of motor, now interlock prograde circuit, the reversion that has both realized motor prevents that misoperation from causing the destruction of circuit simultaneously.Press stop button SB1, realize stopping of motor.
Whole circuit structure is succinct, and element cost is lower, practical.
The beneficial effect that the utility model compared with prior art has is: the utility model is controlled NPN type triode Q1 by forward button SB2, positive-negative-positive triode Q3 and NPN type triode Q6 conducting, realize the prograde circuit conducting of motor, control NPN type triode Q2 by invert button SB3, NPN type triode Q4 and positive-negative-positive triode Q5 realize the circuit for reversing conducting of motor, whole circuit can be realized the rotating operation of direct current machine, and there is interlock function, the overvoltage that prevents triode damages, whole circuit structure is succinct, element cost is lower, practical.
Brief description of the drawings
Fig. 1 is electrical block diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in more detail:
As shown in Figure 1, a kind of DC motor positive and negative rotation control circuit, comprising: direct current machine M1, relay CJ1, relay CJ2, stop button SB1, forward button SB2, invert button SB3, triode and resistance, wherein:
The coil of relay CJ1 is CJ1.1, and its normally opened contact is CJ1.2, and its normally-closed contact is CJ1.3;
The coil of relay CJ2 is CJ2.1, and its normally opened contact is CJ2.2, and its normally-closed contact is CJ2.3.
One end of described stop button SB1 is connected with positive source VCC, the other end of stop button SB1 and succeed one end of normally-closed contact CJ2.3 of electrical equipment CJ2 after be connected with one end of the normally-closed contact CJ1.3 of relay CJ1, the other end of the normally-closed contact CJ2.3 of described relay CJ2 is connected in series the normally opened contact CJ1.2 of relay CJ1 successively, the coil CJ1.1 of relay CJ1 with after resistance R 1, be connected with the base stage of NPN type triode Q1, the other end of the normally-closed contact CJ1.3 of described relay CJ1 is connected in series the normally opened contact CJ2.2 of relay CJ2 successively, the coil CJ2.1 of relay CJ2 with after resistance R 2, be connected with the base stage of NPN type triode Q2, described forward button SB2 is attempted by the two ends of the normally opened contact CJ1.2 of above-mentioned relay CJ1, described invert button SB3 is attempted by the two ends of the normally opened contact CJ2.2 of above-mentioned relay CJ2.
After the collector series connection resistance R 3 of described NPN type triode Q1, be connected with the base stage of positive-negative-positive triode Q3, the emitter of described NPN type triode Q1 is connected with the base stage of NPN type triode Q6, after the collector series connection resistance R 4 of described NPN type triode Q2, be connected with the base stage of positive-negative-positive triode Q5, the emitter of described NPN type triode Q2 is connected with the base stage of NPN type triode Q4.
The emitter of described positive-negative-positive triode Q3 and connect the emitter of positive-negative-positive triode Q5 after be connected with positive source VCC, the collector electrode of described positive-negative-positive triode Q3 is connected with the collector electrode of NPN type triode Q4, the collector electrode of described positive-negative-positive triode Q5 is connected with the collector electrode of NPN type triode Q6, the emitter of described NPN type triode Q4 and connect the emitter of NPN type triode Q6 after ground connection.
One end of described direct current machine M1 is connected with the line between the collector electrode of above-mentioned positive-negative-positive triode Q3 and the collector electrode of NPN type triode Q4, and the other end of direct current machine M1 is connected with the line between the collector electrode of above-mentioned positive-negative-positive triode Q5 and the collector electrode of NPN type triode Q6.
When concrete enforcement, described NPN type triode Q1, NPN type triode Q2, NPN type triode Q4 and NPN type triode Q6 all adopt 8050 type triodes; Described positive-negative-positive triode Q3 and positive-negative-positive triode Q5 all adopt 8550 type triodes.
Claims (2)
1. a DC motor positive and negative rotation control circuit, comprising: direct current machine M1, relay CJ1, relay CJ2, stop button SB1, forward button SB2, invert button SB3:
Described relay CJ1 comprises coil CJ1.1, normally opened contact CJ1.2 and normally-closed contact CJ1.3;
Described relay CJ2 comprises coil CJ2.1, normally opened contact CJ2.2 and normally-closed contact CJ2.3;
It is characterized in that: one end of described stop button SB1 is connected with positive source VCC, the other end of stop button SB1 and succeed one end of normally-closed contact CJ2.3 of electrical equipment CJ2 after be connected with one end of the normally-closed contact CJ1.3 of relay CJ1, the other end of the normally-closed contact CJ2.3 of described relay CJ2 is connected in series the normally opened contact CJ1.2 of relay CJ1 successively, the coil CJ1.1 of relay CJ1 with after resistance R 1, be connected with the base stage of NPN type triode Q1, the other end of the normally-closed contact CJ1.3 of described relay CJ1 is connected in series the normally opened contact CJ2.2 of relay CJ2 successively, the coil CJ2.1 of relay CJ2 with after resistance R 2, be connected with the base stage of NPN type triode Q2, described forward button SB2 is attempted by the two ends of the normally opened contact CJ1.2 of above-mentioned relay CJ1, described invert button SB3 is attempted by the two ends of the normally opened contact CJ2.2 of above-mentioned relay CJ2,
After the collector series connection resistance R 3 of described NPN type triode Q1, be connected with the base stage of positive-negative-positive triode Q3, the emitter of described NPN type triode Q1 is connected with the base stage of NPN type triode Q6, after the collector series connection resistance R 4 of described NPN type triode Q2, be connected with the base stage of positive-negative-positive triode Q5, the emitter of described NPN type triode Q2 is connected with the base stage of NPN type triode Q4;
The emitter of described positive-negative-positive triode Q3 and connect the emitter of positive-negative-positive triode Q5 after be connected with positive source VCC, the collector electrode of described positive-negative-positive triode Q3 is connected with the collector electrode of NPN type triode Q4, the collector electrode of described positive-negative-positive triode Q5 is connected with the collector electrode of NPN type triode Q6, the emitter of described NPN type triode Q4 and connect the emitter of NPN type triode Q6 after ground connection;
One end of described direct current machine M1 is connected with the line between the collector electrode of above-mentioned positive-negative-positive triode Q3 and the collector electrode of NPN type triode Q4, and the other end of direct current machine M1 is connected with the line between the collector electrode of above-mentioned positive-negative-positive triode Q5 and the collector electrode of NPN type triode Q6.
2. a kind of DC motor positive and negative rotation control circuit according to claim 1, is characterized in that: described NPN type triode Q1, NPN type triode Q2, NPN type triode Q4 and NPN type triode Q6 all adopt 8050 type triodes; Described positive-negative-positive triode Q3 and positive-negative-positive triode Q5 all adopt 8550 type triodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420252098.5U CN203859710U (en) | 2014-05-17 | 2014-05-17 | Direct-current motor positive/negative rotation control circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420252098.5U CN203859710U (en) | 2014-05-17 | 2014-05-17 | Direct-current motor positive/negative rotation control circuit |
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| CN203859710U true CN203859710U (en) | 2014-10-01 |
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| CN201420252098.5U Expired - Fee Related CN203859710U (en) | 2014-05-17 | 2014-05-17 | Direct-current motor positive/negative rotation control circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944466A (en) * | 2014-05-17 | 2014-07-23 | 国家电网公司 | Direct-current motor positive/negative rotation control circuit |
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2014
- 2014-05-17 CN CN201420252098.5U patent/CN203859710U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944466A (en) * | 2014-05-17 | 2014-07-23 | 国家电网公司 | Direct-current motor positive/negative rotation control circuit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 |