CN204967677U - PMSM power steady voltage protection control system - Google Patents
PMSM power steady voltage protection control system Download PDFInfo
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- CN204967677U CN204967677U CN201520634762.7U CN201520634762U CN204967677U CN 204967677 U CN204967677 U CN 204967677U CN 201520634762 U CN201520634762 U CN 201520634762U CN 204967677 U CN204967677 U CN 204967677U
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Abstract
The utility model discloses a PMSM power steady voltage protection control system, including microprocessor controller, microprocessor controller signal input part is respectively with be used for detecting PMSM D's rotor -position speedtransmitter signal output part and the signal output part of steady voltage protective film piece is connected, microprocessor controller's output control terminal is connected with the control coil of power supply relay, the contact switch one end and the power of power supply relay are connected, the other end respectively with power converter's input with the input of steady voltage protective film piece is connected, power converter's output and PMSM D's power input end is connected, is provided with voltage sensor at power converter's output, voltage sensor's the signal output part and the signal input part of steady voltage protective film piece are connected. The utility model discloses the advantage lies in the high and reliable operation of steady voltage performance, and it is good to monitor the prescription simultaneously, has improved the fail safe nature of PMSM operation greatly.
Description
Technical field
The utility model relates to power supply voltage-stabilizing protection control system, especially relates to permanent magnet synchronous electric electromechanical source voltage-stabilizing protection control system.
Background technology
Voltage instability is the problem often run into during permagnetic synchronous motor runs, particularly when very strict to permagnetic synchronous motor rotation speed requirements, voltage levels instability not only affects the normal operation of permagnetic synchronous motor, permagnetic synchronous motor also can be caused overheated hot, cause permanent magnet demagnetization or cause other accident.Therefore current control system for permanent-magnet synchronous motor is all with stable-pressure device.But there is the defects such as circuit structure complexity, voltage stabilizing be undesirable in existing stable-pressure device.
Summary of the invention
The utility model object is to provide a kind of permanent magnet synchronous electric electromechanical source voltage-stabilizing protection control system.
For achieving the above object, the utility model takes following technical proposals:
Permanent magnet synchronous electric electromechanical source voltage-stabilizing protection control system described in the utility model, comprise microprocessor controller, described microprocessor controller signal input part is connected with the signal output part of the rotor-position for detecting permagnetic synchronous motor D/speed sensor signal output and voltage-stabilizing protection module respectively; The output control terminal of microprocessor controller is connected with the control coil of power supply relay; Contact switch one end of described power supply relay is connected with power supply, and the other end is connected with the input of power inverter and the input of described voltage-stabilizing protection module respectively; The output of described power inverter is connected with the power input of permagnetic synchronous motor D, and the output of power inverter is provided with voltage sensor, and the signal output part of described voltage sensor is connected with the signal input part of voltage-stabilizing protection module.
Described voltage-stabilizing protection module comprises integrated voltage stabilizer U1(LM3978), described integrated voltage stabilizer U1(LM3978) input be connected with power supply by the contact switch of described power supply relay, integrated voltage stabilizer U1(LM3978) output by resistance R1 and power field effect pipe Q1(IRF3710) grid be connected, described power field effect pipe Q1(IRF3710) drain electrode by transient voltage twin zener dioder D1(SMBJ30CA) be connected with the signal input part of described microprocessor controller, power field effect pipe Q1(IRF3710) source electrode by resistance R2 ground connection.
The utility model advantage is the high and reliable operation of voltage regulation performance, monitors timeliness good simultaneously, substantially increases the security reliability that permagnetic synchronous motor runs.
Accompanying drawing explanation
Fig. 1 is circuit principle structure block diagram of the present utility model.
Fig. 2 is the circuit theory diagrams of voltage-stabilizing protection module described in the utility model.
Embodiment
As shown in Figure 1-2, permanent magnet synchronous electric electromechanical source voltage-stabilizing protection control system described in the utility model, comprise microprocessor controller, described microprocessor controller signal input part is connected with the signal output part of the rotor-position for detecting permagnetic synchronous motor D/speed sensor signal output and voltage-stabilizing protection module respectively; The output control terminal of microprocessor controller is connected with the control coil of power supply relay; Contact switch one end of described power supply relay is connected with power supply, and the other end is connected with the input of power inverter and the input of described voltage-stabilizing protection module respectively; The output of described power inverter is connected with the power input of permagnetic synchronous motor D, and the output of power inverter is provided with voltage sensor, and the signal output part of described voltage sensor is connected with the signal input part of voltage-stabilizing protection module.Described voltage-stabilizing protection module comprises integrated voltage stabilizer U1(LM3978), described integrated voltage stabilizer U1(LM3978) input be connected with power supply by the contact switch of described power supply relay, integrated voltage stabilizer U1(LM3978) output by resistance R1 and power field effect pipe Q1(IRF3710) grid be connected, described power field effect pipe Q1(IRF3710) drain electrode by transient voltage twin zener dioder D1(SMBJ30CA) be connected with the signal input part of described microprocessor controller, power field effect pipe Q1(IRF3710) source electrode by resistance R2 ground connection.
Utility model works principle is summarized as follows:
External power source, by the contact switch access power converter of power supply relay, provides more stable voltage to permagnetic synchronous motor D after power inverter.The voltage sensor that the output of power inverter is arranged detects the voltage being supplied to permagnetic synchronous motor in real time, and the voltage signal detected is exported to microprocessor controller by voltage-stabilizing protection module, the signal of detection is exported to microprocessor controller by the rotor-position/velocity transducer be simultaneously arranged on permagnetic synchronous motor, microprocessor controller through internal processes process, after judging whether the voltage signal being input to permagnetic synchronous motor meets the requirements; If the voltage signal that voltage-stabilizing protection module exports is in the normal range value set by microprocessor controller internal processes, microprocessor controller does not send control signal, and permagnetic synchronous motor normally runs; When the voltage signal that voltage-stabilizing protection module exports exceedes the normal range value set by microprocessor controller internal processes; microprocessor controller then sends control signal; its contact switch disconnects by power supply relay action; power inverter quits work and cuts off the power supply of permagnetic synchronous motor, reaches the effect of protection permagnetic synchronous motor.
Claims (2)
1. a permanent magnet synchronous electric electromechanical source voltage-stabilizing protection control system, comprise microprocessor controller, it is characterized in that: described microprocessor controller signal input part is connected with the signal output part of the rotor-position for detecting permagnetic synchronous motor D/speed sensor signal output and voltage-stabilizing protection module respectively; The output control terminal of microprocessor controller is connected with the control coil of power supply relay; Contact switch one end of described power supply relay is connected with power supply, and the other end is connected with the input of power inverter and the input of described voltage-stabilizing protection module respectively; The output of described power inverter is connected with the power input of permagnetic synchronous motor D, and the output of power inverter is provided with voltage sensor, and the signal output part of described voltage sensor is connected with the signal input part of voltage-stabilizing protection module.
2. permanent magnet synchronous electric electromechanical source voltage-stabilizing protection control system according to claim 1, it is characterized in that: described voltage-stabilizing protection module comprises integrated voltage stabilizer U1, the input of described integrated voltage stabilizer U1 is connected with power supply by the contact switch of described power supply relay, the output of integrated voltage stabilizer U1 is connected with the grid of power field effect pipe Q1 by resistance R1, the drain electrode of described power field effect pipe Q1 is connected with the signal input part of described microprocessor controller by transient voltage twin zener dioder D1, the source electrode of power field effect pipe Q1 is by resistance R2 ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520634762.7U CN204967677U (en) | 2015-08-21 | 2015-08-21 | PMSM power steady voltage protection control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520634762.7U CN204967677U (en) | 2015-08-21 | 2015-08-21 | PMSM power steady voltage protection control system |
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| Publication Number | Publication Date |
|---|---|
| CN204967677U true CN204967677U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520634762.7U Active CN204967677U (en) | 2015-08-21 | 2015-08-21 | PMSM power steady voltage protection control system |
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| CN (1) | CN204967677U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051740A (en) * | 2017-11-21 | 2018-05-18 | 武汉奥泽电子有限公司 | A kind of detecting system and detection method of motor open fault |
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2015
- 2015-08-21 CN CN201520634762.7U patent/CN204967677U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051740A (en) * | 2017-11-21 | 2018-05-18 | 武汉奥泽电子有限公司 | A kind of detecting system and detection method of motor open fault |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450005 mailbox 1084 in the middle section of South Third Ring Road, Zhengzhou City, Henan Province Co-patentee after: Zhengzhou Zhengfei Special Equipment Co.,Ltd. Patentee after: ZHENGZHOU AIRCRAFT EQUIPMENT Co.,Ltd. Address before: 450005 mailbox 1084 in the middle section of South Third Ring Road, Zhengzhou City, Henan Province Co-patentee before: AVIC ELECTRIC VEHICLES (ZHENGZHOU) CO.,LTD. Patentee before: ZHENGZHOU AIRCRAFT EQUIPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 451162 No. 20 Dongting Lake Road, Zhengzhou Airport District, Henan Province Co-patentee after: ZHENGZHOU AIRCRAFT EQUIPMENT Co.,Ltd. Patentee after: Zhengzhou Zhengfei Special Equipment Co.,Ltd. Address before: 450005 mailbox 1084 in the middle section of South Third Ring Road, Zhengzhou City, Henan Province Co-patentee before: Zhengzhou Zhengfei Special Equipment Co.,Ltd. Patentee before: ZHENGZHOU AIRCRAFT EQUIPMENT Co.,Ltd. |
|
| CP03 | Change of name, title or address |