CN203911820U - Contactless reversing device of large-power series-excited DC motor - Google Patents
Contactless reversing device of large-power series-excited DC motor Download PDFInfo
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- CN203911820U CN203911820U CN201420295800.6U CN201420295800U CN203911820U CN 203911820 U CN203911820 U CN 203911820U CN 201420295800 U CN201420295800 U CN 201420295800U CN 203911820 U CN203911820 U CN 203911820U
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- insulated gate
- gate field
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Abstract
A contactless reversing device of a large-power series-excited DC motor is disclosed and characterized in that when the large-power series-excited DC motor rotates clockwise, a 1st light-operated contactless reversing trigger TTL/1 and a 4th light-operated contactless reversing trigger TTL/4 receive a signal and output voltage and current which pass through a 201st resistor R201 and a 211th resistor R211 to respectively trigger a 1st emitter follower GB1 and a 4th emitter follower GB4 and pass through a 202nd resistor R202 and a 210th resistor R210 to respectively enable a 1st large-power insulated gate field effect transistor MOS1 and a 4th large-power insulated gate field effect transistor MOS4 to be conducted; and a positive electrode of main circuit current is led to a 1st wiring terminal D1 of a motor winding L through the 1st large-power insulated gate field effect transistor MOS1, led to a 2nd wiring terminal D2 through the motor winding L, and then led to a negative electrode through the 4th large-power insulated gate field effect transistor MOS4.
Description
Technical field
The utility model relates to high-power series DC machine contactless commutation device.
Background technology
High-power series DC machine controller, because operating current is very large, all adopts mechanical switching, has the sound when work, produces spark, and explosion-proof performance is poor, and useful life is short, works unreliable.
Summary of the invention
The purpose of this utility model is the shortcoming existing in order to overcome prior art, and a kind of silent is provided, and does not produce spark, and explosion-proof ability is good, long service life, and functional reliability is good, high-power series DC machine contactless commutation device low in energy consumption.
The technical scheme of the high-power series DC machine contactless commutation of the utility model device is: while it is characterized in that high-power series DC machine clockwise rotates, the 1st light-operated contactless commutation trigger TTL/1 and the 4th light-operated contactless commutation trigger TTL/4 receive signal, make the 1st light-operated contactless commutation trigger TTL/1 and the 4th light-operated contactless commutation trigger TTL/4 output voltage, electric current triggers respectively the 1st emitter follower GB1 and the 4th emitter follower GB4 through the 201st resistance R 201 and the 211st resistance R 211, make respectively the 1st high-power insulated gate field effect transistor MOS1 and the 4th high-power insulated gate field effect transistor MOS4 conducting through the 202nd resistance R 202 and the 210th resistance R 210, main circuit current positive pole is the 1st terminal stud D1 to motor winding L through the 1st high-power insulated gate field effect transistor MOS1, after motor winding L to the 2 terminal stud D2, again through the 4th high-power insulated gate field effect transistor MOS4 to negative pole,
When high-power series DC machine rotates counterclockwise, the 2nd light-operated contactless commutation trigger TTL/2 and the 3rd light-operated contactless commutation trigger TTL/3 receive signal, make the 2nd light-operated contactless commutation trigger TTL/2 and the 3rd light-operated contactless commutation trigger TTL/3 output voltage, electric current triggers respectively the 2nd emitter follower GB2 and the 3rd emitter follower GB3 through the 205th resistance R 205 and the 207th resistance R 207, make respectively the 2nd high-power insulated gate field effect transistor MOS2 and the 3rd high-power insulated gate field effect transistor MOS3 conducting through the 204th resistance R 204 and the 208th resistance R 208, main circuit current negative pole is the 2nd terminal stud D2 to motor winding L through the 2nd high-power insulated gate field effect transistor MOS2, after motor winding L to the 1 terminal stud D1, arrive again anodal through the 3rd high-power insulated gate field effect transistor MOS3.
The utility model discloses a kind of high-power series DC machine contactless commutation device, high-power series DC machine is in the time clockwise rotating, the 1st light-operated contactless commutation trigger TTL/1 and the 4th light-operated contactless commutation trigger TTL/4 receive signal, output voltage, electric current triggers respectively the 1st emitter follower GB1 and the 4th emitter follower GB4 through the 201st resistance R 201 and the 211st resistance R 211, make respectively the 1st high-power insulated gate field effect transistor MOS1 and the 4th high-power insulated gate field effect transistor MOS4 conducting through the 202nd resistance R 202 and the 210th resistance R 210, main circuit current positive pole is the 1st terminal stud D1 to motor winding L through the 1st high-power insulated gate field effect transistor MOS1, after motor winding L to the 2 terminal stud D2, again through the 4th high-power insulated gate field effect transistor MOS4 to negative pole, now motor produces forward, in the time rotating counterclockwise, the 2nd light-operated contactless commutation trigger TTL/2 and the 3rd light-operated contactless commutation trigger TTL/3 receive signal, output voltage, electric current triggers respectively the 2nd emitter follower GB2 and the 3rd emitter follower GB3 through the 205th resistance R 205 and the 207th resistance R 207, make respectively the 2nd high-power insulated gate field effect transistor MOS2 and the 3rd high-power insulated gate field effect transistor MOS3 conducting through the 204th resistance R 204 and the 208th resistance R 208, main circuit current negative pole is the 2nd terminal stud D2 to motor winding L through the 2nd high-power insulated gate field effect transistor MOS2, after motor winding L to the 1 terminal stud D1, arrive again anodal through the 3rd high-power insulated gate field effect transistor MOS3, now motor produces reversion.According to the high-power series DC machine of the size adjustment of load, series DC machine is operated on maximum power ratio, reach Contacless switch for electric motor commutation, made up existing series DC machine controller due to the very large existing shortcoming of operating current, silent when commutation, does not produce spark, explosion-proof ability is good, long service life, reliable operation performance is good, low in energy consumption.
Brief description of the drawings
Fig. 1 is the circuit diagram of high-power series DC machine contactless commutation device.
Embodiment
The utility model relates to a kind of high-power series DC machine contactless commutation device, as shown in Figure 1, while it is characterized in that high-power series DC machine clockwise rotates, the 1st light-operated contactless commutation trigger TTL/1 and the 4th light-operated contactless commutation trigger TTL/4 receive signal, make the 1st light-operated contactless commutation trigger TTL/1 and the 4th light-operated contactless commutation trigger TTL/4 output voltage, electric current triggers respectively the 1st emitter follower GB1 and the 4th emitter follower GB4 through the 201st resistance R 201 and the 211st resistance R 211, make respectively the 1st high-power insulated gate field effect transistor MOS1 and the 4th high-power insulated gate field effect transistor MOS4 conducting through the 202nd resistance R 202 and the 210th resistance R 210, main circuit current positive pole is the 1st terminal stud D1 to motor winding L through the 1st high-power insulated gate field effect transistor MOS1, after motor winding L to the 2 terminal stud D2, again through the 4th high-power insulated gate field effect transistor MOS4 to negative pole,
When high-power series DC machine rotates counterclockwise, the 2nd light-operated contactless commutation trigger TTL/2 and the 3rd light-operated contactless commutation trigger TTL/3 receive signal, make the 2nd light-operated contactless commutation trigger TTL/2 and the 3rd light-operated contactless commutation trigger TTL/3 output voltage, electric current triggers respectively the 2nd emitter follower GB2 and the 3rd emitter follower GB3 through the 205th resistance R 205 and the 207th resistance R 207, make respectively the 2nd high-power insulated gate field effect transistor MOS2 and the 3rd high-power insulated gate field effect transistor MOS3 conducting through the 204th resistance R 204 and the 208th resistance R 208, main circuit current negative pole is the 2nd terminal stud D2 to motor winding L through the 2nd high-power insulated gate field effect transistor MOS2, after motor winding L to the 1 terminal stud D1, arrive again anodal through the 3rd high-power insulated gate field effect transistor MOS3.High-power series DC machine is in the time clockwise rotating, the 1st light-operated contactless commutation trigger TTL/1 and the 4th light-operated contactless commutation trigger TTL/4 receive signal, output voltage, electric current triggers respectively the 1st emitter follower GB1 and the 4th emitter follower GB4 through the 201st resistance R 201 and the 211st resistance R 211, make respectively the 1st high-power insulated gate field effect transistor MOS1 and the 4th high-power insulated gate field effect transistor MOS4 conducting through the 202nd resistance R 202 and the 210th resistance R 210, main circuit current positive pole is the 1st terminal stud D1 to motor winding L through the 1st high-power insulated gate field effect transistor MOS1, after motor winding L to the 2 terminal stud D2, again through the 4th high-power insulated gate field effect transistor MOS4 to negative pole, now motor produces forward, in the time rotating counterclockwise, the 2nd light-operated contactless commutation trigger TTL/2 and the 3rd light-operated contactless commutation trigger TTL/3 receive signal, output voltage, electric current triggers respectively the 2nd emitter follower GB2 and the 3rd emitter follower GB3 through the 205th resistance R 205 and the 207th resistance R 207, make respectively the 2nd high-power insulated gate field effect transistor MOS2 and the 3rd high-power insulated gate field effect transistor MOS3 conducting through the 204th resistance R 204 and the 208th resistance R 208, main circuit current negative pole is the 2nd terminal stud D2 to motor winding L through the 2nd high-power insulated gate field effect transistor MOS2, after motor winding L to the 1 terminal stud D1, arrive again anodal through the 3rd high-power insulated gate field effect transistor MOS3, now motor produces reversion.According to the high-power series DC machine of the size adjustment of load, series DC machine is operated on maximum power ratio, reach Contacless switch for electric motor commutation, made up existing series DC machine controller due to the very large existing shortcoming of operating current, silent when commutation, does not produce spark, explosion-proof ability is good, long service life, reliable operation performance is good, low in energy consumption.
Claims (1)
1. high-power series DC machine contactless commutation device, it is characterized in that: when high-power series DC machine clockwise rotates, the 1st light-operated contactless commutation trigger (TTL/1) is received signal with the 4th light-operated contactless commutation trigger (TTL/4), make the 1st light-operated contactless commutation trigger (TTL/1) and the 4th light-operated contactless commutation trigger (TTL/4) output voltage, electric current triggers respectively the 1st emitter follower (GB1) and the 4th emitter follower (GB4) through the 201st resistance (R201) and the 211st resistance (R211), make respectively the 1st high-power insulated gate field effect transistor (MOS1) and the 4th high-power insulated gate field effect transistor (MOS4) conducting through the 202nd resistance (R202) and the 210th resistance (R210), main circuit current positive pole is the 1st terminal stud (D1) to motor winding (L) through the 1st high-power insulated gate field effect transistor (MOS1), through motor winding (L) after the 2nd terminal stud (D2), arrive negative pole through the 4th high-power insulated gate field effect transistor (MOS4) again,
When high-power series DC machine rotates counterclockwise, the 2nd light-operated contactless commutation trigger (TTL/2) is received signal with the 3rd light-operated contactless commutation trigger (TTL/3), make the 2nd light-operated contactless commutation trigger (TTL/2) and the 3rd light-operated contactless commutation trigger (TTL/3) output voltage, electric current triggers respectively the 2nd emitter follower (GB2) and the 3rd emitter follower (GB3) through the 205th resistance (R205) and the 207th resistance (R207), make respectively the 2nd high-power insulated gate field effect transistor (MOS2) and the 3rd high-power insulated gate field effect transistor (MOS3) conducting through the 204th resistance (R204) and the 208th resistance (R208), main circuit current negative pole is the 2nd terminal stud (D2) to motor winding (L) through the 2nd high-power insulated gate field effect transistor (MOS2), through motor winding (L) after the 1st terminal stud (D1), arrive again anodal through the 3rd high-power insulated gate field effect transistor (MOS3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420295800.6U CN203911820U (en) | 2014-06-05 | 2014-06-05 | Contactless reversing device of large-power series-excited DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420295800.6U CN203911820U (en) | 2014-06-05 | 2014-06-05 | Contactless reversing device of large-power series-excited DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203911820U true CN203911820U (en) | 2014-10-29 |
Family
ID=51786063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420295800.6U Expired - Fee Related CN203911820U (en) | 2014-06-05 | 2014-06-05 | Contactless reversing device of large-power series-excited DC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203911820U (en) |
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2014
- 2014-06-05 CN CN201420295800.6U patent/CN203911820U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20141029 Termination date: 20160605 |