CN203301414U - Sine subdivision drive circuit used for stepping motor - Google Patents
Sine subdivision drive circuit used for stepping motor Download PDFInfo
- Publication number
- CN203301414U CN203301414U CN2013203193312U CN201320319331U CN203301414U CN 203301414 U CN203301414 U CN 203301414U CN 2013203193312 U CN2013203193312 U CN 2013203193312U CN 201320319331 U CN201320319331 U CN 201320319331U CN 203301414 U CN203301414 U CN 203301414U
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- constant frequency
- pwm control
- control circuit
- frequency pwm
- stepping motor
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Abstract
The utility model relates to the technical field of motors, and especially relates to a sine subdivision drive circuit used for a stepping motor. The sine subdivision drive circuit used for a stepping motor comprises a singlechip, a constant frequency PWM control circuit, an H-bridge inverter, a current detector, and a DA. The singlechip controls and connects with the constant frequency PWM control circuit and the DA. Output of the DA is connected with the constant frequency PWM control circuit. Output of the constant frequency PWM control circuit is connected with the H-bridge inverter. Output of the H-bridge inverter is connected with the current detector. Output of the current detector is connected with the constant frequency PWM control circuit. The sine subdivision drive circuit used for a stepping motor is simple in structure, and can accurately control values of winding current of the stepping motor, so efficiency is very high.
Description
Technical field
The utility model relates to a kind of drive circuit, relates in particular to a kind of sinusoidal sub-driver circuit for stepping motor.
Background technology
Motor is because having good speed adjusting performance, the occasion that much needs speed governing as: there is extensive application in the fields such as Digit Control Machine Tool, experimental facilities, robot, electric automobile.Particularly modern energy is deficient, and electric automobile is used direct current machine as automobile power, and this has just proposed requirement to speed governing and the drive unit of direct current machine.Need direct current machine to have the performances such as good startup, braking, counter-rotating, acceleration, deceleration, and these performances must rely on driving control device to realize.Therefore to dc motor speed drive system, driving control device has critical role.In prior art, the system of selection one of driver module is to adopt resistor network or digital regulation resistance to adjust the dividing potential drop of motor, thereby reaches the purpose of speed governing.The main problem of this method is that the resistance of general motor is very little, but electric current is very large; Dividing potential drop not only can lower efficiency, and realizes very difficult.Method two is to adopt relay to control opening or closing of motor, and this method is comparatively simple to people's circuit, but the response time of relay is slow, mechanical structure is fragile, the life-span is shorter, reliability is not high.
Summary of the invention
The technical problems to be solved in the utility model is: available technology adopting resistor network or digital regulation resistance are adjusted the dividing potential drop of motor, thereby reach the purpose of speed governing, dividing potential drop not only can lower efficiency, and realize very difficult, adopt relay to control opening or closing of motor, this method is comparatively simple to people's circuit, but the response time of relay is slow, mechanical structure is fragile, the life-span is shorter, reliability is not high, and a kind of sinusoidal sub-driver circuit for stepping motor is provided.
In order to overcome the defect that exists in background technology, the technical scheme that its technical problem that solves the utility model adopts is: this sinusoidal sub-driver circuit for stepping motor comprises single-chip microcomputer, constant frequency PWM control circuit, H bridge inverter, current detecting and DA, described Single-chip Controlling connects constant frequency PWM control circuit and DA, DA output connects the constant frequency PWM control circuit, the output of constant frequency PWM control circuit connects the H bridge inverter, the output of H bridge inverter connects current detecting, and the output of current detecting connects the constant frequency PWM control circuit.
The beneficial effects of the utility model are: this sinusoidal sub-driver circuit for stepping motor simple in structure, and the accurate size of the winding current of control step motor, efficiency is very high.
Description of drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
Embodiment
Fig. 1 is structural representation of the present utility model, comprise single-chip microcomputer, constant frequency PWM control circuit, H bridge inverter, current detecting and DA, described Single-chip Controlling connects constant frequency PWM control circuit and DA, DA output connects the constant frequency PWM control circuit, the output of constant frequency PWM control circuit connects the H bridge inverter, the output of H bridge inverter connects current detecting, and the output of current detecting connects the constant frequency PWM control circuit.
This sinusoidal sub-driver circuit for stepping motor mainly consists of constant current carrier wave drive circuit and DA change-over circuit, wherein the Double power driving circuit is used for the size of the winding current of accurate control step motor, and it mainly consists of constant frequency PWM control circuit, H bridge inverter and current detecting three parts; The DA change-over circuit is used for setting the size of winding current, thereby the ladder reference voltage signal that changes according to the sine and cosine rule when Single-chip Controlling DA change-over circuit output, thereby electric current that just can the indirectly control winding changes and realizes sinusoidal segmentation driving according to the sine and cosine rule.
This sinusoidal sub-driver circuit for stepping motor simple in structure, the accurate size of the winding current of control step motor, efficiency is very high.
Claims (1)
1. sinusoidal sub-driver circuit that is used for stepping motor, comprise single-chip microcomputer, constant frequency PWM control circuit, H bridge inverter, current detecting and DA, it is characterized in that: described Single-chip Controlling connects constant frequency PWM control circuit and DA, DA output connects the constant frequency PWM control circuit, the output of constant frequency PWM control circuit connects the H bridge inverter, the output of H bridge inverter connects current detecting, and the output of current detecting connects the constant frequency PWM control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203193312U CN203301414U (en) | 2013-06-05 | 2013-06-05 | Sine subdivision drive circuit used for stepping motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203193312U CN203301414U (en) | 2013-06-05 | 2013-06-05 | Sine subdivision drive circuit used for stepping motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203301414U true CN203301414U (en) | 2013-11-20 |
Family
ID=49577394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203193312U Expired - Fee Related CN203301414U (en) | 2013-06-05 | 2013-06-05 | Sine subdivision drive circuit used for stepping motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203301414U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553357A (en) * | 2015-12-10 | 2016-05-04 | 中国航空工业集团公司西安航空计算技术研究所 | Constant current driving system and constant current driving method for stepping motor with fixed duty ratio |
| CN106330025A (en) * | 2016-10-24 | 2017-01-11 | 北京灵铱科技有限公司 | Low-noise stepping driver |
| CN108809171A (en) * | 2018-05-23 | 2018-11-13 | 北京控制工程研究所 | It is a kind of to determine frequency PWM full-bridge type motor micro-stepping subdivision drive control methods and circuit |
-
2013
- 2013-06-05 CN CN2013203193312U patent/CN203301414U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553357A (en) * | 2015-12-10 | 2016-05-04 | 中国航空工业集团公司西安航空计算技术研究所 | Constant current driving system and constant current driving method for stepping motor with fixed duty ratio |
| CN106330025A (en) * | 2016-10-24 | 2017-01-11 | 北京灵铱科技有限公司 | Low-noise stepping driver |
| CN108809171A (en) * | 2018-05-23 | 2018-11-13 | 北京控制工程研究所 | It is a kind of to determine frequency PWM full-bridge type motor micro-stepping subdivision drive control methods and circuit |
| CN108809171B (en) * | 2018-05-23 | 2021-04-13 | 北京控制工程研究所 | Fixed-frequency PWM full-bridge motor micro-step subdivision drive control method and circuit |
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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: 20131120 Termination date: 20140605 |