CN203193557U - Half-bridge drive circuit of permanent magnet brushless DC motor - Google Patents
Half-bridge drive circuit of permanent magnet brushless DC motor Download PDFInfo
- Publication number
- CN203193557U CN203193557U CN2013200506194U CN201320050619U CN203193557U CN 203193557 U CN203193557 U CN 203193557U CN 2013200506194 U CN2013200506194 U CN 2013200506194U CN 201320050619 U CN201320050619 U CN 201320050619U CN 203193557 U CN203193557 U CN 203193557U
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- winding
- switching tube
- motor
- drive circuit
- switch
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
The utility model relates to the technical field of circuits, and specifically relates to a half-bridge drive circuit of a permanent magnet brushless DC motor. The half-bridge drive circuit of the permanent magnet brushless DC motor comprises a two-phase winding W1, a winding W2, a winding W3, and a winding W4 winding in a same direction. An end of the winding W1, an end of the winding W2, an end of the winding W3, and an end of the winding W4 are respectively electrically connected with an anode of a power supply, and the other ends are respectively connected with a switch tube K1, a switch K2, a switch K3, and a switch K4. Two ends of the switch tube K1, the switch K2, the switch K3, and the switch K4 are respectively connected in parallel with a fly-wheel diode D1, a fly-wheel diode D2, a fly-wheel diode D3, and a fly-wheel diode D4. The utility model provides the half-bridge drive circuit of the permanent magnet brushless DC motor which is convenient in control and high in motor work efficiency, and is safe and reliable.
Description
Technical field
The utility model relates to the circuit engineering field, specifically a kind of non-brush permanent-magnet DC motor semibridge system drive circuit.
Background technology
N phase non-brush permanent-magnet DC motor is that every phase winding only is around on the electrode, takes semibridge system drive circuit or bridge-type control circuit.Take the control of semibridge system drive circuit simple, but the motor power output is low, switching tube is when closing, produce induced electromotive force at its two ends, this part energy discharges by the fly-wheel diode in parallel with switching tube, cause the reduction of electric efficiency, may cause the damage of semiconductor switch pipe when producing overtension.Take bridge drive circuit will cause control complicated, when the switching tube of upper and lower bridge arm is opened, add the dead band time-delay simultaneously, otherwise the conducting simultaneously of upper and lower bridge arm switching tube may occur, cause the system failure.
The utility model content
The utility model provides a kind of non-brush permanent-magnet DC motor semibridge system drive circuit easy, that motor working efficiency is high, safe and reliable of controlling.
The utility model is achieved through the following technical solutions:
A kind of non-brush permanent-magnet DC motor semibridge system drive circuit, comprise two phase winding W1, winding W2 and winding W3, winding W4 with identical direction coiling, described winding W1, winding W2, winding W3, winding W4 one end are electrically connected with positive source respectively, the other end is connected with switching tube K1, switching tube K2, switching tube K3, switching tube K4 respectively, and the two ends of described switching tube K1, switching tube K2, switching tube K3, switching tube K4 parallel connection respectively are provided with sustained diode 1, sustained diode 2, sustained diode 3, sustained diode 4.
Be respectively equipped with on described switching tube K1, switching tube K2, switching tube K3, the switching tube K4 for the control pin K11 that connects controller, control pin K12, control pin K13, control pin K14.
The beneficial effect that the utility model brings is:
In the utility model, the power output height of motor when described non-brush permanent-magnet DC motor semibridge system drive circuit is controlled, the long service life of described switching tube, and simple relatively by controller control, system is difficult for breaking down.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is the circuit diagram of non-brush permanent-magnet DC motor semibridge system drive circuit described in the utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail:
Embodiment as non-brush permanent-magnet DC motor semibridge system drive circuit described in the utility model, as shown in Figure 1, comprise two phase winding W1 with identical direction coiling, winding W2 and winding W3, winding W4, described winding W1, winding W2, winding W3, winding W4 one end is electrically connected with positive source respectively, the other end is connected with switching tube K1 respectively, switching tube K2, switching tube K3, switching tube K4, described switching tube K1, switching tube K2, switching tube K3, the two ends of switching tube K4 parallel connection respectively are provided with sustained diode 1, sustained diode 2, sustained diode 3, sustained diode 4.
In the present embodiment, be respectively equipped with on described switching tube K1, switching tube K2, switching tube K3, the switching tube K4 for the control pin K11 that connects controller, control pin K12, control pin K13, control pin K14.
Described winding W1 is around on the same electrode with identical direction with winding W2, two-phase conducting simultaneously, and pass to rightabout electric current, in like manner, winding W3 is the same with winding W2 with winding W4 and winding W1 to be arranged; Controller is according to the rotor-position of motor, determine switching tube open-minded of a certain phase winding among winding W1, winding W2, winding W3, the winding W4, be some open-minded among switching tube K1, switching tube K2, switching tube K3, the switching tube K4, producing the field drives rotor rotates, change according to rotor-position, normally or in advance open next phase switching tube, motor goes down continuous service; In opening process, be wound on two phase winding W1, winding W2 and winding W3 and winding W4 on the same electrode, but cannot open sustained diode 1, sustained diode 2 and sustained diode 3, sustained diode 4 simultaneously; Induced voltage when a certain phase switching tube is closed by another phase the mutual inductance effect and sustained diode 1, sustained diode 2 and sustained diode 3, sustained diode 4 in one, carry out energy and discharge, promote efficiency of motor.
Claims (2)
1. non-brush permanent-magnet DC motor semibridge system drive circuit, it is characterized in that comprising two phase winding W1, winding W2 and winding W3, winding W4 with identical direction coiling, described winding W1, winding W2, winding W3, winding W4 one end are electrically connected with positive source respectively, the other end is connected with switching tube K1, switching tube K2, switching tube K3, switching tube K4 respectively, and the two ends of described switching tube K1, switching tube K2, switching tube K3, switching tube K4 parallel connection respectively are provided with sustained diode 1, sustained diode 2, sustained diode 3, sustained diode 4.
2. non-brush permanent-magnet DC motor semibridge system drive circuit as claimed in claim 1 is characterized in that being respectively equipped with on described switching tube K1, switching tube K2, switching tube K3, the switching tube K4 for the control pin K11 that connects controller, control pin K12, control pin K13, control pin K14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200506194U CN203193557U (en) | 2013-01-30 | 2013-01-30 | Half-bridge drive circuit of permanent magnet brushless DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200506194U CN203193557U (en) | 2013-01-30 | 2013-01-30 | Half-bridge drive circuit of permanent magnet brushless DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203193557U true CN203193557U (en) | 2013-09-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200506194U Expired - Fee Related CN203193557U (en) | 2013-01-30 | 2013-01-30 | Half-bridge drive circuit of permanent magnet brushless DC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203193557U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105391353A (en) * | 2015-11-30 | 2016-03-09 | 北京控制工程研究所 | DC motor half-bridge drive circuit |
-
2013
- 2013-01-30 CN CN2013200506194U patent/CN203193557U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105391353A (en) * | 2015-11-30 | 2016-03-09 | 北京控制工程研究所 | DC motor half-bridge drive circuit |
| CN105391353B (en) * | 2015-11-30 | 2018-01-05 | 北京控制工程研究所 | A kind of direct current generator half-bridge drive 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 |
Granted publication date: 20130911 Termination date: 20160130 |
|
| EXPY | Termination of patent right or utility model |