CN204013291U - The band-type brake drive circuit of motor driver - Google Patents
The band-type brake drive circuit of motor driver Download PDFInfo
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- CN204013291U CN204013291U CN201420319726.7U CN201420319726U CN204013291U CN 204013291 U CN204013291 U CN 204013291U CN 201420319726 U CN201420319726 U CN 201420319726U CN 204013291 U CN204013291 U CN 204013291U
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- interface
- brk
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- triode
- band
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Abstract
The utility model belongs to motor driver technical field, relates in particular to a kind of band-type brake drive circuit of motor driver.It has solved the technical problems such as prior art design is unreasonable.Comprise photoelectrical coupler, in photoelectrical coupler one end, be provided with first interface and the second interface, at the photoelectrical coupler other end, be provided with the 3rd interface and the 4th interface, on first interface, be connected with energization pins, on the second interface, be connected with DSP pin, on the 3rd interface, be connected with BRK+ terminal, on the 4th interface, be connected with BRK-terminal, this circuit also comprises triode, the collector electrode of triode is connected between the 3rd interface and BRK+ terminal, transistor emitter is connected on BRK-terminal, the base stage of triode is connected on the 4th interface, between the base stage of triode and the 4th interface, be serially connected with current-limiting resistance, on triode, be provided with the optocoupler protection component being connected between BRK+ terminal and BRK-terminal.The utility model advantage is: stable.
Description
Technical field
The utility model belongs to motor driver technical field, relates in particular to a kind of band-type brake drive circuit of motor driver.
Background technology
BRK circuit basicusing band band-type brake motor drives band-type brake to open or turn-off.In traditional circuit, the general photoelectrical coupler that uses drives, but because current drive capability is not enough, causes cannot using in some band-type brake occasions; For this reason, people have carried out long-term exploration, have proposed solution miscellaneous.
For example; Chinese patent literature discloses a kind of based on Rapid electromagnetic band brake power-off protection apparatus; [application number: 200720175943.3]; aim to provide a kind of under the unexpected powering-off state of servomotor; Digit Control Machine Tool is by the result of electrical network Real-Time Monitoring is controlled to the action of servo-driver to band-type brake electromagnet in good time, thereby keeps away the power-off protection apparatus that moving component moves along gravity direction.It is comprised of with the module of releasing fast, second brachium pontis and the module of releasing fast etc. external interface module, electrical network isolation Sampling Interface module, signal processing module, first brachium pontis;
Above-mentioned scheme, in power-off suddenly in the situation that, can make the accident amount of moving down of gravity direction moving component reduce to enough little in time to band-type brake magnet control, thereby guarantees that machine tool does not damage, processing work is not destroyed;
Although this scheme has been improved prior art to a certain extent, also at least there is following defect in this scheme: 1, the scope of application is little, because current drive capability is poor, can not be applicable to various band-type brake circuit; 2, operation stability is poor, and optocoupler is easily damaged.
Summary of the invention
The purpose of this utility model is for the problems referred to above, provides a kind of scope of application greatly and the band-type brake drive circuit of the motor driver of good operation stability.
For achieving the above object, the utility model has adopted following technical proposal: the band-type brake drive circuit of this motor driver comprises photoelectrical coupler, in one end of photoelectrical coupler, be provided with first interface and the second interface, the other end at photoelectrical coupler is provided with the 3rd interface and the 4th interface, on first interface, be connected with energization pins, on the second interface, be connected with DSP pin, on the 3rd interface, be connected with BRK+ terminal, on the 4th interface, be connected with BRK-terminal, this circuit also comprises triode, the collector electrode of triode is connected between the 3rd interface and BRK+ terminal, the emitter of triode is connected on BRK-terminal, the base stage of triode is connected on the 4th interface, between the base stage of triode and the 4th interface, be serially connected with current-limiting resistance, on triode, be provided with the optocoupler protection component being connected between BRK+ terminal and BRK-terminal.
In this application; on photoelectrical coupler, connected again a triode; the effect combining by photoelectrical coupler and triode can promote current drive capability; thereby be applicable to various band-type brake occasions, its driving force is than at least large 3 times of original existing common optical coupler driving force, in addition; there is serial connection current-limiting resistance to exist; optocoupler protection component of output reversal connection, can guarantee that optocoupler is not fragile, guarantees the reliability of band-type brake and uses safety.
In the band-type brake drive circuit of above-mentioned motor driver; described hasp structure comprises some frenulum free end and spaced positioning bodies of being arranged on; described optocoupler protection component is diode; the positive pole of diode is connected between the emitter and BRK-terminal of triode, and the negative pole of diode is connected between the collector electrode and BRK+ terminal of triode.
In the band-type brake drive circuit of above-mentioned motor driver, between described first interface and energization pins, be serially connected with the first resistance.
In the band-type brake drive circuit of above-mentioned motor driver, described photoelectrical coupler comprises light-emitting diode and phototriode, the positive pole of light-emitting diode is connected with first interface, the negative pole of light-emitting diode is connected with the second interface, the collector electrode of phototriode is connected with the 3rd interface, and the emitter of phototriode is connected with the 4th interface.
In the band-type brake drive circuit of above-mentioned motor driver, described photoelectrical coupler is EL357N photoelectrical coupler.
Compared with prior art, the band-type brake drive circuit of this motor driver and the advantage of semicircle bib are: 1, design is more reasonable, owing to having connect two triodes, so its driving force than existing common optical coupler driving force at least large 3 times, the scope of application (band-type brake circuit) expanded; 2, stable, there is serial connection current-limiting resistance to exist, diode of output reversal connection, guarantees that optocoupler is not fragile.
Accompanying drawing explanation
Fig. 1 is the circuit diagram that the utility model provides.
In figure, first interface 11, the second interface 12, the 3rd interface 13, the 4th interface 14, energization pins 15, DSP pin 16, BRK+ terminal 17, BRK-terminal 18, photoelectrical coupler M, triode Y1, phototriode Y2, current-limiting resistance R1, the first resistance R 2, optocoupler protection component D, diode D1, light-emitting diode D2.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
As shown in Figure 1, the band-type brake drive circuit of this motor driver comprises photoelectrical coupler M, this photoelectrical coupler M is EL357N photoelectrical coupler, in one end of photoelectrical coupler M, be provided with first interface 11 and the second interface 12, the other end at photoelectrical coupler M is provided with the 3rd interface 13 and the 4th interface 14, on first interface 11, be connected with energization pins 15, between first interface 11 and energization pins 15, be serially connected with the first resistance R 2, on the second interface 12, be connected with DSP pin 16, on the 3rd interface 13, be connected with BRK+ terminal 17, on the 4th interface 14, be connected with BRK-terminal 18,
Prioritization scheme; this circuit also comprises triode Y1; the collector electrode of triode Y1 is connected between the 3rd interface 13 and BRK+ terminal 17; the emitter of triode Y1 is connected on BRK-terminal 18; the base stage of triode Y1 is connected on the 4th interface 14; between the base stage of triode Y1 and the 4th interface 14, be serially connected with current-limiting resistance R1, on triode Y1, be provided with the optocoupler protection component D being connected between BRK+ terminal 17 and BRK-terminal 18.
Prioritization scheme, the optocoupler protection component D of the present embodiment is diode D1, and the positive pole of diode D1 is connected between the emitter and BRK-terminal 18 of triode Y1, and the negative pole of diode D1 is connected between the collector electrode and BRK+ terminal 17 of triode Y1.
Prioritization scheme as the present embodiment, the photoelectrical coupler M of the present embodiment comprises light-emitting diode D2 and phototriode Y2, the positive pole of light-emitting diode D2 is connected with first interface 11, the negative pole of light-emitting diode D2 is connected with the second interface 12, the collector electrode of phototriode Y2 is connected with the 3rd interface 13, and the emitter of phototriode Y2 is connected with the 4th interface 14.
In the present embodiment, on photoelectrical coupler M, connected again a triode Y1, by photoelectrical coupler M and the triode Y1 effect of (i.e. two triode actings in conjunction) of combining, can promote current drive capability, thereby be applicable to various band-type brake occasions, its driving force is than at least large 3 times of original existing common optical coupler driving force, in addition, there is serial connection current-limiting resistance R1 to exist, diode D1 of output reversal connection, can guarantee that optocoupler is not fragile, guarantees the reliability of band-type brake and uses safety.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used the terms such as first interface 11, the second interface 12, the 3rd interface 13, the 4th interface 14, energization pins 15, DSP pin 16, BRK+ terminal 17, BRK-terminal 18, photoelectrical coupler M, triode Y1, phototriode Y2, current-limiting resistance R1, the first resistance R 2, optocoupler protection component D, diode D1, light-emitting diode D2 herein, do not got rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (5)
1. the band-type brake drive circuit of a motor driver, comprise photoelectrical coupler (M), it is characterized in that, one end of described photoelectrical coupler (M) is provided with first interface (11) and the second interface (12), the other end at photoelectrical coupler (M) is provided with the 3rd interface (13) and the 4th interface (14), on first interface (11), be connected with energization pins (15), on the second interface (12), be connected with DSP pin (16), on the 3rd interface (13), be connected with BRK+ terminal (17), on the 4th interface (14), be connected with BRK-terminal (18), this circuit also comprises triode (Y1), the collector electrode of triode (Y1) is connected between the 3rd interface (13) and BRK+ terminal (17), the emitter of triode (Y1) is connected on BRK-terminal (18), the base stage of triode (Y1) is connected on the 4th interface (14), between the base stage of triode (Y1) and the 4th interface (14), be serially connected with current-limiting resistance (R1), on triode (Y1), be provided with the optocoupler protection component (D) being connected between BRK+ terminal (17) and BRK-terminal (18).
2. the band-type brake drive circuit of motor driver according to claim 1; it is characterized in that; described optocoupler protection component (D) is diode (D1); the positive pole of diode (D1) is connected between the emitter and BRK-terminal (18) of triode (Y1), and the negative pole of diode (D1) is connected between the collector electrode and BRK+ terminal (17) of triode (Y1).
3. the band-type brake drive circuit of motor driver according to claim 1 and 2, is characterized in that, between described first interface (11) and energization pins (15), is serially connected with the first resistance (R2).
4. the band-type brake drive circuit of motor driver according to claim 1 and 2, it is characterized in that, described photoelectrical coupler (M) comprises light-emitting diode (D2) and phototriode (Y2), the positive pole of light-emitting diode (D2) is connected with first interface (11), the negative pole of light-emitting diode (D2) is connected with the second interface (12), the collector electrode of phototriode (Y2) is connected with the 3rd interface (13), and the emitter of phototriode (Y2) is connected with the 4th interface (14).
5. the band-type brake drive circuit of motor driver according to claim 4, is characterized in that, described photoelectrical coupler (M) is EL357N photoelectrical coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420319726.7U CN204013291U (en) | 2014-06-16 | 2014-06-16 | The band-type brake drive circuit of motor driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420319726.7U CN204013291U (en) | 2014-06-16 | 2014-06-16 | The band-type brake drive circuit of motor driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204013291U true CN204013291U (en) | 2014-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420319726.7U Expired - Fee Related CN204013291U (en) | 2014-06-16 | 2014-06-16 | The band-type brake drive circuit of motor driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204013291U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485853A (en) * | 2014-12-19 | 2015-04-01 | 清能德创电气技术（北京）有限公司 | Servo driver with motor brake monitor and abnormal brake detection method thereof |
| WO2022217847A1 (en) * | 2021-04-13 | 2022-10-20 | 苏州汇川技术有限公司 | Driving and monitoring circuits for band brake of servo motor |
-
2014
- 2014-06-16 CN CN201420319726.7U patent/CN204013291U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485853A (en) * | 2014-12-19 | 2015-04-01 | 清能德创电气技术（北京）有限公司 | Servo driver with motor brake monitor and abnormal brake detection method thereof |
| WO2022217847A1 (en) * | 2021-04-13 | 2022-10-20 | 苏州汇川技术有限公司 | Driving and monitoring circuits for band brake of servo motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170327 Address after: Hangzhou City, Zhejiang province 311122 Yuhang District Xianlin Xianlin Street Road No. 9 3 floor Patentee after: HANGZHOU ZHISHAN INTELLIGENT CONTROL TECHNOLOGY CO., LTD. Address before: Hangzhou City, Zhejiang province 311122 Yuhang District Xianlin Street Xian Xing Road No. 9 Patentee before: HANGZHOU BAIKONG TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20210616 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |