CN203675024U - Subdivision driving circuit of stepping motor - Google Patents
Subdivision driving circuit of stepping motor Download PDFInfo
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- CN203675024U CN203675024U CN201320755025.3U CN201320755025U CN203675024U CN 203675024 U CN203675024 U CN 203675024U CN 201320755025 U CN201320755025 U CN 201320755025U CN 203675024 U CN203675024 U CN 203675024U
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- motor
- microcontroller
- stepping motor
- drive
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Abstract
The utility model discloses a subdivision driving circuit of stepping motor, comprising a motor driving chip connected with a stepping motor M. The motor driving chip is also provided with a control module formed by a microcontroller and a host computer. The motor driving chip is connected with the microcontroller. The motor driving chip is an A3967SLB driver which is provided with a signal output interface and a signal input interface. The signal input interface is connected with the microcontroller, and the signal output interface is connected with the stepping motor M. The circuit is simple in structure and reasonable in design. Using the design of the motor driving chip, control of the stepping motor M is effectively simplified and realized, structure of the motor is simplified, and flexibility of control of the stepping motor M is improved. The subdivision driving circuit is suitable to be popularized and use widely.
Description
Technical field
The utility model relates to circuit control field, specifically, is a kind of stepper motor subdivision drive circuit.
Background technology
Stepping motor is called again pulse motor or step motor, it is the electromechanical equipment that digit pulse is directly converted to displacement angle, there is the characteristics such as precision is high, inertia is little, out-of-step free in the situation that, there is no the step pitch accumulation of error, be specially adapted to numerically controlled navigation system.But in actual applications, but often have that drive circuit efficiency is low, low frequency vibration, high frequency undercapacity and the problem such as frequency characteristic is poor, for improving the control precision of stepping motor, the segmentation that people have proposed to improve motor runnability, accurately control the technical parameter such as phase current of motor drives electricity.In the prior art, traditional sub-driver circuit is mainly made up of parts such as segmentation ring distributor, amplifier and synthesizers, and sort circuit application is complicated, very flexible, and therefore, the utility model is applied and is given birth to.
Utility model content
The purpose of this utility model is to provide a kind of stepper motor subdivision drive circuit, adopt the design of motor drive ic, the control of effectively having simplified stepping motor M realizes, have circuit structure simple, control the characteristics such as flexible, also can utilize the hardware resource loading on host computer to enrich the control system of stepping motor M simultaneously, realize the work such as data processing, demonstration, function is very powerful.
The utility model is achieved through the following technical solutions: a kind of stepper motor subdivision drive circuit, comprise the motor drive ic being connected with stepping motor M, the control that this motor drive ic can effectively be simplified stepping motor M realizes, that is: on motor drive ic, be also provided with the control module being formed by microcontroller and host computer, described motor drive ic is connected on microcontroller, in the time of actual motion, host computer is for the management of stepping motor M, microcontroller is for the execution of this stepping motor M control program, and control principle is very simple.
Described motor drive ic is the A3967SLB driver that is provided with signal output interface and signal input interface; signal input interface is connected on microcontroller; signal output interface is connected on stepping motor M; can provide PWM constant current control micro-stepping to drive; realizing 8 segmentations drives; meanwhile, can also provide perfect safeguard measure, comprise transient suppression voltage, overtemperature protection, prevent the functions such as electric current is straight-through, under voltage self-locking.
Between motor drive ic and microprocessor, do not need to add other interface circuit, whole drive circuit is very simple, its connection is as follows: described signal input interface comprises the MS1 pin, MS2 pin, DIR pin, STEP pin, the SLEEP pin that are defined on motor drive ic pin, and described microcontroller is connected with motor drive ic by MS1 pin, MS2 pin, DIR pin, STEP pin, SLEEP pin.
In the utility model, described signal output interface comprises the OUT1A pin, OUT1B pin, OUT2A pin, the OUT2B pin that are defined on motor drive ic pin, and described stepping motor M is connected with motor drive ic by OUT1A pin, OUT1B pin, OUT2A pin, OUT2B pin.
For better realizing said structure, described microcontroller is the Executive Module that is provided with communication interface, and described host computer is connected with microcontroller signal by communication interface.
The utility model is reasonable in design, and wherein, described microcontroller is AT89C52 single-chip microcomputer; Described communication interface is RS232 interface chip.
The utility model compared with prior art, has the following advantages and beneficial effect:
(1) the utility model has adopted the design of motor drive ic, and the control of effectively having simplified stepping motor M realizes, have circuit structure simple, control the characteristics such as flexible, have promotional value.
(2) host computer described in the utility model is PC, have abundant hardware resource, in working control, microcontroller can be by loading on hardware resource on PC when stepping motor M is controlled, realize the work such as data processing, demonstration, function is very powerful.
(3) microcontroller that the utility model adopts is AT89C52 single-chip microcomputer, in whole control system, be mainly used to produce control impuls and carry out serial communication with host computer, not only use very convenient, its peripheral circuit structure is also extremely simple, especially facilitate the encapsulation of its hardware, it is very reasonable to design.
Accompanying drawing explanation
Fig. 1 is electrical block diagram of the present utility model.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but execution mode of the present utility model is not limited to this.
Embodiment:
The application complexity existing for overcoming existing sub-driver circuit, the defects such as very flexible, the utility model proposes a kind of stepper motor subdivision drive circuit, this drive circuit comprises following structure: motor drive ic and the control module composition being connected with motor drive ic, wherein, it is upper that motor drive ic is connected to stepping motor M, as: A3967SLB driver; Control module is made up of interconnective microcontroller and host computer (that is: PC), and microcontroller is connected on motor drive ic.In actual moving process, host computer is for the management of stepping motor M, and microcontroller is for the execution of this stepping motor M control program, and control principle is very simple.
The utility model circuit structure is simple, between A3967SLB driver and microcontroller, can realize connection without the interface circuit that adds other, its connecting circuit as shown in Figure 1, be connected by signal output interface and the signal input interface be located on A3967SLB driver, in its structure, signal input interface is connected on microcontroller; Signal output interface is connected on stepping motor M; can provide PWM constant current control micro-stepping to drive, realize 8 segmentations and drive, simultaneously; perfect safeguard measure can also be provided, comprise transient suppression voltage, overtemperature protection, prevent the functions such as electric current is straight-through, under voltage self-locking.In the time that reality is used, as long as the pulse of input control stepping motor M simply, the embedded transducer of this A3967SLB driver just can be realized the control to stepping motor M, and whole drive circuit is very simple.
In the utility model, the signal input interface being connected with microcontroller comprises the MS1 pin, MS2 pin, DIR pin, STEP pin, the SLEEP pin that are defined on motor drive ic pin, wherein, MS1 pin, MS2 pin are the logic input port that stepping motor M segmentation resolution is selected; DIR pin is the selection mouth of stepping motor M rotation direction; STEP pin is the pulse input end mouth of stepping motor M; SLEEP pin is sleep pattern.The signal output interface being connected with motor drive ic comprises the OUT1A pin, OUT1B pin, OUT2A pin, the OUT2B pin that are defined on motor drive ic pin, as shown in Figure 1, OUT1A pin, OUT1B pin, OUT2A pin, OUT2B pin are two pairs of output ports of H bridge, and the ENABLE pin being defined on A3967SLB driver pin is Enable Pin; RESET pin, for the chip initial value of resetting, shields all outside output; SENSE1 pin, SENSE2 pin are the current sense resistor of H bridge; REF pin is reference voltage; GND pin for logically with power supply ground; RC1, RC2 pin are the analog input of H bridge firm deadline.
For better realizing said structure, microcontroller described in the utility model is the Executive Module that is provided with communication interface, as: AT89C52 single-chip microcomputer, this single-chip microcomputer can be connected with host computer signal by RS232 interface chip, its circuit structure as shown in Figure 1, in the time that reality is used, AT89C52 single-chip microcomputer can be by loading on hardware resource on host computer when stepping motor M is controlled, realize the work such as data processing, demonstration, function is very powerful, practical.
The utility model is simple in structure, reasonable in design, adopts the design of motor drive ic, and the control of not only effectively having simplified stepping motor M realizes, and has simplified circuit structure, has more improved the flexibility that stepping motor M controls, and suitablely extensively promotes the use of.
The above; it is only preferred embodiment of the present utility model; not the utility model is done to any pro forma restriction, any simple modification, equivalent variations that every foundation technical spirit of the present utility model is done above embodiment, within all falling into protection range of the present utility model.
Claims (7)
1. a stepper motor subdivision drive circuit, it is characterized in that: comprise the motor drive ic being connected with stepping motor M, on motor drive ic, be also provided with the control module being made up of microcontroller and host computer, described motor drive ic is connected on microcontroller.
2. a kind of stepper motor subdivision drive circuit according to claim 1, it is characterized in that: described motor drive ic is the A3967SLB driver that is provided with signal output interface and signal input interface, signal input interface is connected on microcontroller, and signal output interface is connected on stepping motor M.
3. a kind of stepper motor subdivision drive circuit according to claim 2, it is characterized in that: described signal input interface comprises the MS1 pin, MS2 pin, DIR pin, STEP pin, the SLEEP pin that are defined on motor drive ic pin, and described microcontroller is connected with motor drive ic by MS1 pin, MS2 pin, DIR pin, STEP pin, SLEEP pin.
4. a kind of stepper motor subdivision drive circuit according to claim 3, it is characterized in that: described signal output interface comprises the OUT1A pin, OUT1B pin, OUT2A pin, the OUT2B pin that are defined on motor drive ic pin, and described stepping motor M is connected with motor drive ic by OUT1A pin, OUT1B pin, OUT2A pin, OUT2B pin.
5. according to a kind of stepper motor subdivision drive circuit described in claim 1～4 any one, it is characterized in that: described microcontroller is the Executive Module that is provided with communication interface, described host computer is connected with microcontroller signal by communication interface.
6. a kind of stepper motor subdivision drive circuit according to claim 5, is characterized in that: described microcontroller is AT89C52 single-chip microcomputer.
7. a kind of stepper motor subdivision drive circuit according to claim 6, is characterized in that: described communication interface is RS232 interface chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320755025.3U CN203675024U (en) | 2013-11-27 | 2013-11-27 | Subdivision driving circuit of stepping motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320755025.3U CN203675024U (en) | 2013-11-27 | 2013-11-27 | Subdivision driving circuit of stepping motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203675024U true CN203675024U (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320755025.3U Expired - Fee Related CN203675024U (en) | 2013-11-27 | 2013-11-27 | Subdivision driving circuit of stepping motor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406783A (en) * | 2015-12-24 | 2016-03-16 | 赵晓玲 | Stepping motor drive control system based on computer control |
| CN105656373A (en) * | 2016-03-14 | 2016-06-08 | 路亮 | Stepping motor control system based on AT89C52 single chip microcomputer |
| RU2722417C1 (en) * | 2019-03-21 | 2020-05-29 | Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") | Device for control of step motor |
-
2013
- 2013-11-27 CN CN201320755025.3U patent/CN203675024U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406783A (en) * | 2015-12-24 | 2016-03-16 | 赵晓玲 | Stepping motor drive control system based on computer control |
| CN105656373A (en) * | 2016-03-14 | 2016-06-08 | 路亮 | Stepping motor control system based on AT89C52 single chip microcomputer |
| RU2722417C1 (en) * | 2019-03-21 | 2020-05-29 | Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") | Device for control of step motor |
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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: 20140625 Termination date: 20141127 |
|
| EXPY | Termination of patent right or utility model |