CN203933480U - A kind of stepping motor reducing power consumption control system - Google Patents
A kind of stepping motor reducing power consumption control system Download PDFInfo
- Publication number
- CN203933480U CN203933480U CN201320854618.5U CN201320854618U CN203933480U CN 203933480 U CN203933480 U CN 203933480U CN 201320854618 U CN201320854618 U CN 201320854618U CN 203933480 U CN203933480 U CN 203933480U
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- stepping motor
- signal input
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- control module
- power consumption
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Abstract
The utility model provides a kind of stepping motor reducing power consumption control system.Stepper motor driving circuit now, in the time that motor moves, the current threshold of setting is all definite value, does not make corresponding change according to the motor speed of service.The current controling signal interface of MCU of the present utility model is connected with the signal input port of stepping motor current control module, the stepping motor drive control signal interface of MCU is connected with the signal input port of stepping motor driver module, the driving signal output port of stepping motor driver module is connected with the driving signal input mouth of stepping motor current control module, and the signal output port of stepping motor current control module is connected with the signal input port of stepping motor.The utility model solves stepping motor in the time that speed change degree moves, and easily generates heat at low regime drive circuit chip or stepping motor, easily blocks the problem of the phenomenons such as a step-out at high velocity stepping motor, the power consumption can reduce stepping motor operation simultaneously time.
Description
Technical field
The utility model belongs to electric machines control technology field, relates in particular to a kind of reducing power consumption control system of stepping motor.
Background technology
Motor is the large key element of industrial development indispensable, and is playing the part of important role.Stepping motor is a kind of performer that pulse signal can be converted to angular displacement or linear displacement, and its angular displacement or linear displacement are directly proportional to control impuls number, just can regulate the rotating speed of motor by changing pulse frequency.
In order to meet the requirement of some occasion to aspects such as stepping motor precision positioning, Precision Machining, make stepping motor improve precision, reduce step angle, improve the step pitch uniformity, need to realize by segmenting.The segmentation control of stepping motor, is by the control of electric current in the excitation winding of stepping motor in essence, and the resultant magnetic field that makes stepping motor inside is uniform circular rotating field.The amplitude of resultant magnetic field vector has determined the size of stepping motor turning moment, and the corner dimension between adjacent two resultant magnetic field vectors has determined the size of step angle.
And stepper motor driving circuit now, in the time that motor moves, the current threshold of setting is all definite value, makes corresponding change according to the motor speed of service.If stepping motor is in speed change degree operation, in the time operating in low speed, because pulse frequency is lower, a certain time being conducted of motor longer, the larger electric current of can flowing through, this can be than being easier to cause motor and drive circuit chip is overheated even burns; And in the time that motor operates in high speed, if current settings deficiency, the moment that stepping motor provides is not enough to again pushing equipment, cause the phenomenons such as step-out card pauses.
Summary of the invention
The utility model, for the deficiencies in the prior art, has proposed a kind of stepping motor reducing power consumption control system.
The control system of a kind of stepping motor reducing power consumption of the utility model, comprises MCU, stepping motor driver module, stepping motor current control module and stepping motor;
The current controling signal interface of MCU is connected with the signal input port of stepping motor current control module, the stepping motor drive control signal interface of MCU is connected with the signal input port of stepping motor driver module, the driving signal output port of stepping motor driver module is connected with the driving signal input mouth of stepping motor current control module, and the signal output port of stepping motor current control module is connected with the signal input port of stepping motor.
Beneficial effect: the utility model dynamically changes stepping motor drive current according to the stepping motor speed of service, be intended to solve stepping motor in the time that speed change degree moves, easily generate heat at low regime drive circuit chip or stepping motor, easily block the problem of the phenomenons such as a step-out at high velocity stepping motor, the power consumption can reduce stepping motor operation simultaneously time.
Brief description of the drawings
Fig. 1 is the control method of a kind of stepping motor electric current in the time that speed change degree moves of providing of the utility model;
Fig. 2 is the control system of a kind of stepping motor reducing power consumption of providing of the utility model.
Embodiment
In order to make the purpose of this utility model, control method, technical scheme clearer, below in conjunction with accompanying drawing, the utility model is further described.And emphasize, embodiment described herein is only in order to explain the utility model, and is not used in restriction the utility model.
In the control method of a kind of stepping motor providing at the utility model electric current in the time that speed change degree moves, highest running speed while operation according to stepping motor and minimum operation speed, determine maximum running current and minimum running current, calculate again current curve, required necessary electric current while farthest reducing stepping motor operation, reach with this object that reduces power consumption, make stepping motor in the time running up, avoid step-out simultaneously.
As shown in Figure 1, the realization flow of a kind of stepping motor that the utility model provides Current Control in the time that speed change degree moves, details are as follows:
In step S1, minimum operation speed and the highest running speed of requirement when system is arranged to stepping motor operation, the minimum operation speed of mentioning here and highest running speed are the needed rate requests of stepping motor use occasion.
In step S2, system is arranged to minimum running current parameter and maximum running current parameter, by minimum running current parameter and maximum running current parameter, again in conjunction with the square of stepping motor curve frequently, calculate the relation curve of speed and electric current, in conjunction with certain safe current threshold value, obtain the speed of practice and the corresponding relation of electric current again.Here, can be according to systematic function, in real time according to the speedometer induced current numerical value of getting it right, or calculate several points, if speed meets the speed that this point is corresponding, obtain current values corresponding to this region.
In step S3, stepping motor is set and carries out corresponding action, this action can be the constant-velocity operation between minimum operation speed and highest running speed, or become Accelerating running to specifying at a high speed with a certain lower speed, or from a certain appointments at a high speed change be decelerated to a certain appointment low speed or to 0 speed.
In step S4, judge whether stepping motor completes required movement, and if so, flow process finishes; If not, jump to electric current setting steps S5.
In step S5, according to present speed MCU, stepping motor current control module is arranged to electric current corresponding to this speed.
In step S6, MCU sends some driving pulses to stepping motor driver module, makes stepping motor running.
In step S7, judge that this moment speed, whether lower than phase-locked speed, if so, jumps to electric current setting steps S8; If not, jump to determining step S4.
In step S8, MCU arranges phase-locked electric current to stepping motor current control module, and etc. next driving pulse to be sent, then enter step S4 and judge.
As shown in Figure 2, the control system of a kind of stepping motor reducing power consumption that the utility model provides, microcontroller (MicroController, MCU) is connected with stepping motor driver module, sends control command to stepping motor driver module.Stepping motor driver module is connected with stepping motor current control module, send and drive signal to stepping motor current control module, here be noted that, stepping motor driver module and stepping motor current control module can be integrated in a stepping motor drive integrated circuit (Intergrated Circuit, IC) chip.Driving signal after stepping motor current control module is complete to from current processing to stepping motor transmission, Driving Stepping Motor is carried out corresponding action.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (1)
1. a control system for stepping motor reducing power consumption, comprises MCU, stepping motor driver module, stepping motor current control module and stepping motor;
It is characterized in that: the current controling signal interface of MCU is connected with the signal input port of stepping motor current control module, the stepping motor drive control signal interface of MCU is connected with the signal input port of stepping motor driver module, the driving signal output port of stepping motor driver module is connected with the driving signal input mouth of stepping motor current control module, and the signal output port of stepping motor current control module is connected with the signal input port of stepping motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320854618.5U CN203933480U (en) | 2013-12-23 | 2013-12-23 | A kind of stepping motor reducing power consumption control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320854618.5U CN203933480U (en) | 2013-12-23 | 2013-12-23 | A kind of stepping motor reducing power consumption control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203933480U true CN203933480U (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320854618.5U Expired - Fee Related CN203933480U (en) | 2013-12-23 | 2013-12-23 | A kind of stepping motor reducing power consumption control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203933480U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103684150A (en) * | 2013-12-23 | 2014-03-26 | 杭州电子科技大学 | Control method and control system for reducing power consumption of stepping motor |
-
2013
- 2013-12-23 CN CN201320854618.5U patent/CN203933480U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103684150A (en) * | 2013-12-23 | 2014-03-26 | 杭州电子科技大学 | Control method and control system for reducing power consumption of stepping motor |
| CN103684150B (en) * | 2013-12-23 | 2016-03-16 | 杭州电子科技大学 | A kind of stepping motor reducing power consumption control method |
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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: 20141105 Termination date: 20161223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |