CN201134785Y - PWM motor controller - Google Patents
PWM motor controller Download PDFInfo
- Publication number
- CN201134785Y CN201134785Y CNU2007203087040U CN200720308704U CN201134785Y CN 201134785 Y CN201134785 Y CN 201134785Y CN U2007203087040 U CNU2007203087040 U CN U2007203087040U CN 200720308704 U CN200720308704 U CN 200720308704U CN 201134785 Y CN201134785 Y CN 201134785Y
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- China
- Prior art keywords
- circuit
- pwm
- electric machine
- machine controller
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000001681 protective effect Effects 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000001419 dependent effect Effects 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Control Of Ac Motors In General (AREA)
Abstract
The utility model relates to a PWM motor controller, which comprises a power source and a PWM control circuit, wherein the power source is composed of a rectification circuit, an alternating input and protection circuit, a switch power supply, a low voltage output circuit and a motor control circuit, the PWM control circuit is composed of a DSP, a multipath transceiver and a high speed asynchronous communication circuit, the alternating input and protection circuit comprises a voltage dependent resistor, a safety regulated capacitance and a common mode filter, the motor control circuit is composed of six power switch pipes, every two are connected in series, each series connection point is a phase output end which is connected with the controlled motor, the asynchronous communication circuit is connected with a photoelectric coupler in series, and six output ends of the DSP are directly connected with six control ends of a PWM motor controller. The PWM motor controller simplifies the circuit and increases the power supply protection, the DSP increases the control speed, high speed asynchronous communication increases the feedback speed, and the heat dissipating capability is increased and the volume is reduced through selecting a metal shell with a rational structure additionally.
Description
Technical field
The utility model relates to a kind of electric machines control technology, particularly a kind of PWM electric machine controller.
Background technology
Electric Machine Control is the technology that is widely used now, a kind of especially convenience of PWM Electric Machine Control, the control technology that control precision is high.Volume is big, the circuit complicated problems but present PWM Electric Machine Control, ubiquity.
The utility model content
For remedying above-mentioned deficiency, the utility model provides a kind of miniaturization, the simple PWM electric machine controller of circuit.
The utility model PWM electric machine controller; comprise power power-supply and pwm control circuit; wherein: described power power-supply is formed by drawing together rectification circuit, interchange input and protective circuit, Switching Power Supply, low voltage output circuit and circuit for controlling motor, and described pwm control circuit is made up of DSP, multichannel transceiver and high-speed asynchronous telecommunication circuit.
The utility model PWM electric machine controller, wherein: described interchange input and protective circuit comprise piezo-resistance, safety electric capacity and the common-mode filter that is connected in parallel on the AC power cord.
The utility model PWM electric machine controller, wherein: described circuit for controlling motor is composed in series in twos by six power switch pipes, and each serial connection point is a phase output terminal, connects institute's control motor.
The utility model PWM electric machine controller, wherein: described high-speed asynchronous telecommunication circuit string has photoelectrical coupler.
The utility model PWM electric machine controller, wherein: six outputs of described DSP directly connect six control ends of described PWM electric machine controller.
The utility model PWM electric machine controller has been simplified circuit, has increased power protection, and DSP has improved control rate, and high-speed asynchronous communication has improved feedback speed, adds the metal shell of selecting Rational structure for use, has improved heat-sinking capability, has dwindled volume.
Description of drawings
Fig. 1 is the circuit block diagram of the utility model PWM electric machine controller;
Fig. 2 is a PWM control section circuit diagram in the utility model PWM electric machine controller;
Fig. 3 is power power-supply partial circuit figure in the utility model PWM electric machine controller.
Embodiment
For further setting forth the utility model PWM electric machine controller, do more detailed explanation below in conjunction with embodiment.
Fig. 1 is the circuit block diagram of the utility model PWM electric machine controller, and the utility model PWM electric machine controller is formed by exchanging input and protective circuit, rectification circuit, Switching Power Supply, low voltage output circuit, circuit for controlling motor, DSP, multichannel transceiver and high-speed asynchronous telecommunication circuit.
Fig. 2 is a PWM control section circuit diagram in the utility model PWM electric machine controller, and Fig. 3 is power power-supply partial circuit figure in the utility model PWM electric machine controller.
The utility model PWM electric machine controller selects for use DSP TMS320C2801 to make the master control chip, selects for use multichannel transceiver SN74LVC16245 as multi channel testing, and selects the high-speed asynchronous telecommunication circuit of band optocoupler for use, and communication speed can reach 19200bit/s.
See Fig. 3, circuit for controlling motor is made up of six power switch pipe Q1, Q2, Q3, Q4, Q5, Q6, all selects IRGIB15B60KD for use.Series connection in twos, the serial connection point is output.As Q1, Q4 is a pair of, and its serial connection point is output U+; The grid of these six power switch pipes connects six output WH, WL, VH, VL, UH, the UL of DSP respectively, controlled by DSP, six power switch pipes are in conducting or not on-state respectively, three output U+, V+, W+ or be in high voltage or be in low-voltage, form pwm pulse, the operation of control institute control motor.
Among Fig. 3, Switching Power Supply integrated package U2 and switch transformer T1 form Switching Power Supply, and its output has two-way: through 15V of D10 output, through D8 and voltage stabilizing 5V of U4 output, be the power supply of PWM control section.5V through D7 output feeds back to Switching Power Supply integrated package U2, regulated output voltage through controllable silicon Q8 and optocoupler U3.
The power supply of six power switch pipe Q1, Q2, Q3, Q4, Q5, Q6 is provided by rectified current road and bridge heap BRIDGE1, and the power supply of Switching Power Supply has bridge heap BRIDGE2 that direct current is provided in addition.
Be connected to the piezo-resistance R001, safety capacitor C 001 and the common-mode filter L1 that are connected in parallel on the AC power cord in the power supply input circuit, can effectively prevent interference such as thunder and lightning, clutter, electromagnetism.
Claims (5)
1, a kind of PWM electric machine controller; comprise power power-supply and pwm control circuit; it is characterized in that: described power power-supply is formed by drawing together rectification circuit, interchange input and protective circuit, Switching Power Supply, low voltage output circuit and circuit for controlling motor, and described pwm control circuit is made up of DSP, multichannel transceiver and high-speed asynchronous telecommunication circuit.
2, PWM electric machine controller according to claim 1 is characterized in that: described interchange input and protective circuit comprise piezo-resistance R001, safety capacitor C 001 and the common-mode filter L1 that is connected in parallel on the AC power cord.
3, PWM electric machine controller according to claim 2 is characterized in that: described circuit for controlling motor is composed in series in twos by six power switch pipes (Q1, Q2, Q3, Q4, Q5, Q6), and each serial connection point is a phase output terminal, connects institute's control motor.
4, PWM electric machine controller according to claim 3 is characterized in that: described high-speed asynchronous telecommunication circuit string has photoelectrical coupler (U6, U7).
5, PWM electric machine controller according to claim 4 is characterized in that: six outputs of described DSP directly connect six control ends (WH, WL, VH, VL, UH, UL) of described PWM electric machine controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203087040U CN201134785Y (en) | 2007-12-29 | 2007-12-29 | PWM motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203087040U CN201134785Y (en) | 2007-12-29 | 2007-12-29 | PWM motor controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201134785Y true CN201134785Y (en) | 2008-10-15 |
Family
ID=40063055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203087040U Expired - Fee Related CN201134785Y (en) | 2007-12-29 | 2007-12-29 | PWM motor controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201134785Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010124582A1 (en) * | 2009-04-30 | 2010-11-04 | 浙江关西电机有限公司 | Pumping unit system and electricity-saving control method thereof |
| CN102460339A (en) * | 2009-05-12 | 2012-05-16 | 雷蒙德·约翰·佩托 | Motor controller and related method |
| CN103781671A (en) * | 2012-06-12 | 2014-05-07 | 松下电器产业株式会社 | Motor control system, motor control method, and motor control apparatus |
-
2007
- 2007-12-29 CN CNU2007203087040U patent/CN201134785Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010124582A1 (en) * | 2009-04-30 | 2010-11-04 | 浙江关西电机有限公司 | Pumping unit system and electricity-saving control method thereof |
| CN101876239B (en) * | 2009-04-30 | 2014-01-15 | 浙江中科德润科技有限公司 | Pumping unit system and power saving control method thereof |
| CN102460339A (en) * | 2009-05-12 | 2012-05-16 | 雷蒙德·约翰·佩托 | Motor controller and related method |
| CN102460339B (en) * | 2009-05-12 | 2014-10-29 | 雷蒙德·约翰·佩托 | Motor controller and related method |
| CN103781671A (en) * | 2012-06-12 | 2014-05-07 | 松下电器产业株式会社 | Motor control system, motor control method, and motor control apparatus |
| US9785156B2 (en) | 2012-06-12 | 2017-10-10 | Panasonic Intellectual Property Management Co., Ltd. | Motor control system, method, and device for changing control software for a vehicle cooling blower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081015 Termination date: 20100129 |