CN201118512Y - Speed-adjusting motor torque compensation circuit - Google Patents
Speed-adjusting motor torque compensation circuit Download PDFInfo
- Publication number
- CN201118512Y CN201118512Y CNU2007201724773U CN200720172477U CN201118512Y CN 201118512 Y CN201118512 Y CN 201118512Y CN U2007201724773 U CNU2007201724773 U CN U2007201724773U CN 200720172477 U CN200720172477 U CN 200720172477U CN 201118512 Y CN201118512 Y CN 201118512Y
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- CN
- China
- Prior art keywords
- torque compensation
- current
- compensation circuit
- motor torque
- detection module
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- Expired - Fee Related
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- Control Of Ac Motors In General (AREA)
Abstract
The utility model relates to a speed regulating motor torque compensation circuit, which comprises a motor used to regulate a drive current control module of the motor drive current, a current detection module used to detect the working current of the motor, a speed detection module used to detect the rotating speed of the motor, and a master module; the master module is connected with the drive current control module, the current detection module and the speed detection module to control the current control module to change the drive current according to the current value outputted by the current detection module and the speed value outputted by the speed detection module. The application of the speed regulating motor torque compensation circuit of the utility model can help achieve the closed loop control of the rotating speed of the motor and increase the running stability of the motor.
Description
Technical field
The utility model relates to the torque compensation circuit, is specifically related to a kind of governor motor torque compensation circuit.
Background technology
Common motor does not have speed closed loop control, and in external condition, under motor load, mains voltage variations situation, unsettled situation can appear in the rotating speed of motor.
The utility model content
The technical problems to be solved in the utility model is, at the unsettled shortcoming of prior art motor operation, provides a kind of governor motor torque compensation circuit.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of governor motor torque compensation circuit, comprise motor, also comprise the drive current control module that is used to regulate described motor drive current; Be used to detect the current detection module of described motor operations electric current; Be used to detect the speed detection module of described motor rotary speed; Link to each other with described drive current control module, current detection module, speed detection module, according to the current value of the described current detection module output of reading and the velocity amplitude of described speed detection module output, control the main control module that described current control module changes drive current.
In governor motor torque compensation circuit described in the utility model, described current control module comprises the controllable silicon that is connected in the described motor current supply circuit, link to each other with described silicon controlled control end, be used for and amplify from the control signal of described main control module, thereby control the drive circuit of the described thyristor supply angle of flow.
In governor motor torque compensation circuit described in the utility model, described speed detection module comprises the Hall element that is used for the motor field signal is converted to the signal of telecommunication, is used for exporting to after the signal of telecommunication to the output of described Hall element amplifies the amplifying circuit of described main control module.
In governor motor torque compensation circuit described in the utility model, described current detection module is used for that described motor working current is converted to voltage signal and sends the sampling resistor of described main control module to.
In governor motor torque compensation circuit described in the utility model, described drive circuit is a NPN triode cascode level amplifying circuit.
In governor motor torque compensation circuit described in the utility model, described amplifying circuit is a NPN triode cascode level amplifying circuit.
In governor motor torque compensation circuit described in the utility model, described amplifying circuit output signal is a pulse signal.
In governor motor torque compensation circuit described in the utility model, described sampling resistor output signal is an analog signal.
In governor motor torque compensation circuit described in the utility model, described main control module comprises that also the analog signal conversion with described sampling resistor output is the A/D change-over circuit of digital signal.
In governor motor torque compensation circuit described in the utility model, described main control module is a single-chip microcomputer.
The beneficial effects of the utility model are that the rotating speed of motor has been realized the control of closed loop, has increased the stationarity of motor operation.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the utility model governor motor torque compensation circuit module schematic diagram;
Fig. 2 is the partial circuit figure of a kind of preferred embodiment of the utility model governor motor torque compensation circuit.
Embodiment
Below in conjunction with Fig. 2 a preferred embodiment of the utility model governor motor torque compensation circuit is described, main control module adopts the single-chip microcomputer with A/D conversion port, and M1 is a motor.
U201, C202, R202, R203, TR201 and R201 constitute the speed detection module, wherein U201 is a hall device, TR201 and peripheral discrete device thereof constitute amplifying circuit, the signal after the collector electrode output of TR201 is amplified, and output signal is given the I/O port of single-chip microcomputer;
R105, R106 and R107 constitute current detection module, and wherein R105 is a sampling resistor, give the A/D port of single-chip microcomputer after sampled signal process R106 and the R107 dividing potential drop;
S102, C110, C105, R104, R109, R110 and TR102 have constituted the drive current control module, and wherein SR102 is a controllable silicon, and TR102 and R109, R110 constitute the driving amplifying circuit.
The operation principle of circuit is as follows: use the SCR control motor, can realize the speed governing of motor by the angle of flow of regulating power supply; With the speed of Hall element test motor, the output pulse.I/O mouth with single-chip microcomputer comes measuring unit time pulse number, is used for judging the speed of motor.With the electric current of sampling resistor collection motor, use the voltage of the A/D mouth measuring resistance of single-chip microcomputer, judge the moment of motor thus.
The I/O mouth of single-chip microcomputer comes measuring unit time pulse number, is used for judging the speed of motor, and the electric current and the moment of prediction motor.The A/D mouth of single-chip microcomputer is measured the electric current and the moment of the voltage judgement motor of sampling resistor; The electric current of finding motor increases suddenly, increases the angle of flow of power supply at once, to satisfy the speed of motor, reaches the traveling comfort of motor.
Claims (10)
1, a kind of governor motor torque compensation circuit comprises motor, it is characterized in that, also comprises the drive current control module that is used to regulate described motor drive current; Be used to detect the current detection module of described motor operations electric current; Be used to detect the speed detection module of described motor rotary speed; Link to each other with described drive current control module, current detection module, speed detection module, according to the current value of the described current detection module output of reading and the velocity amplitude of described speed detection module output, control the main control module that described current control module changes drive current.
2, governor motor torque compensation circuit according to claim 1, it is characterized in that, described current control module comprises the controllable silicon that is connected in the described motor current supply circuit, link to each other with described silicon controlled control end, be used for and amplify from the control signal of described main control module, thereby control the drive circuit of the described thyristor supply angle of flow.
3, governor motor torque compensation circuit according to claim 1, it is characterized in that, described speed detection module comprises the Hall element that is used for the motor field signal is converted to the signal of telecommunication, is used for exporting to after the signal of telecommunication to the output of described Hall element amplifies the amplifying circuit of described main control module.
4, governor motor torque compensation circuit according to claim 1 is characterized in that, described current detection module is used for that described motor working current is converted to voltage signal and sends the sampling resistor of described main control module to.
5, governor motor torque compensation circuit according to claim 2 is characterized in that, described drive circuit is a NPN triode cascode level amplifying circuit.
6, governor motor torque compensation circuit according to claim 3 is characterized in that, described amplifying circuit is a NPN triode cascode level amplifying circuit.
7, governor motor torque compensation circuit according to claim 3 is characterized in that, described amplifying circuit output signal is a pulse signal.
8, governor motor torque compensation circuit according to claim 4 is characterized in that, described sampling resistor output signal is an analog signal.
9, governor motor torque compensation circuit according to claim 1 is characterized in that, described main control module comprises that also the analog signal conversion with described sampling resistor output is the A/D change-over circuit of digital signal.
10, governor motor torque compensation circuit according to claim 1 is characterized in that, described main control module is a single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201724773U CN201118512Y (en) | 2007-10-19 | 2007-10-19 | Speed-adjusting motor torque compensation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201724773U CN201118512Y (en) | 2007-10-19 | 2007-10-19 | Speed-adjusting motor torque compensation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201118512Y true CN201118512Y (en) | 2008-09-17 |
Family
ID=39993106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201724773U Expired - Fee Related CN201118512Y (en) | 2007-10-19 | 2007-10-19 | Speed-adjusting motor torque compensation circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201118512Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101762780A (en) * | 2008-11-10 | 2010-06-30 | 樱花卫厨（中国）股份有限公司 | Motor control and detection circuit of forced-exhaust gas water heater |
| CN109188268A (en) * | 2018-07-13 | 2019-01-11 | 广东瑞德智能科技股份有限公司 | A kind of modified low cost motor open circuit detecting device |
-
2007
- 2007-10-19 CN CNU2007201724773U patent/CN201118512Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101762780A (en) * | 2008-11-10 | 2010-06-30 | 樱花卫厨（中国）股份有限公司 | Motor control and detection circuit of forced-exhaust gas water heater |
| CN101762780B (en) * | 2008-11-10 | 2013-05-22 | 樱花卫厨（中国）股份有限公司 | Motor control and detection circuit of forced-exhaust gas water heater |
| CN109188268A (en) * | 2018-07-13 | 2019-01-11 | 广东瑞德智能科技股份有限公司 | A kind of modified low cost motor open circuit detecting device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080917 Termination date: 20161019 |