CN202663337U - Two-phase low-power stepping motor drive controller - Google Patents
Two-phase low-power stepping motor drive controller Download PDFInfo
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- CN202663337U CN202663337U CN2012202016284U CN201220201628U CN202663337U CN 202663337 U CN202663337 U CN 202663337U CN 2012202016284 U CN2012202016284 U CN 2012202016284U CN 201220201628 U CN201220201628 U CN 201220201628U CN 202663337 U CN202663337 U CN 202663337U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
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Abstract
The utility model belongs to the technical field of stepping motors and particularly relates to a two-phase low-power stepping motor drive controller. Problems such as unreasonable design in the prior art are solved. The two-phase low-power stepping motor drive controller comprises a central processing unit capable of processing operation data according to signal input and output, wherein a signal access circuit capable of controlling signal access is connected to the central processing unit; a phase sequence signal module is connected to the central processing unit; a drive control module capable of determining the start and stop of a motor according to phase sequence signals is connected to the phase sequence signal module; and a current detection module capable of detecting the working current of the drive control module and feeding detection results back to the central processing unit is connected to the drive control module. Compared with the prior art, the two-phase low-power stepping motor drive controller has the advantages of strong anti-interference capability, high-resolution step angle, high-positioning-accuracy stepping motor, lower heat dissipation, small vibration, low noise and high efficiency.
Description
Technical field
The utility model belongs to the stepping motor technical field, especially relates to a kind of two-phase low-power stepper motor driving governor.
Background technology
Stepping motor is a kind of specific type of electric machine as control usefulness, it is the electric drive device that digital quantity is converted into angular displacement, its rotation and control impuls are synchronous, the not long-term accumulation of step pitch error, structure can be formed comparatively simple and have the open-loop control system of certain precision, also closed-loop control system can be when requiring higher precision, formed.Stepping motor is because high-precision positioning control, position and speed control are easy, the step pitch error is without advantages such as accumulations, and application is very extensive in the Industry Control of low load, low velocity.It is widely used in the fields such as Digit Control Machine Tool, automatic production line, industrial instruments, computer equipment, becomes indispensable important electric machine assembly.But the operation of stepping motor can not by common power of alterating and direct current power supply, need special-purpose driving arrangement, so the performance of stepping motor depends on the quality of its drive system performance to a great extent.
At present, stepper motor driver on the market is comprised of single-chip microcomputer and discrete component mostly, level of integrated system is low, poor anti jamming capability, step angle resolution is not high, cause the stepping motor positioning accuracy not high, the problem such as have step-out, vibration, caloric value is large, noise is large has restricted the application of stepping motor.
The problem that exists in order to solve prior art, people have carried out long-term exploration, have proposed solution miscellaneous.For example, Chinese patent literature discloses a kind of two-phase step actuator [application number: 200920204601.9], comprise main control chip circuit, dual H-bridge drive circuit, D/A change-over circuit, current sampling circuit, and dual H-bridge MOSFET circuit, be provided with the current ratio integral adjustment circuit that formed by the two-stage calculation amplifier cascade, with the pwm signal generative circuit of triangular wave generating circuit, the pwm signal generative circuit is that the PWM frequency is current of electric change frequency 1/2 and the pwm signal generative circuit that adopts synchronous rectification in the afterflow stage.
Such scheme has been alleviated the problem of two-phase step actuator heating to a certain extent, reduced current ripples, so that the stepping motor caloric value is little, but still existed: structure is relatively complicated, the motor positioning accuracy is not high, has step-out, vibration, problem that noise is large.
Summary of the invention
The purpose of this utility model is for the problems referred to above, provides a kind of reasonable in design, simple and reliable for structure, and the motor positioning accuracy is high, vibrates little two-phase low-power stepper motor driving governor.
For achieving the above object, the utility model has adopted following technical proposal: this two-phase low-power stepper motor driving governor, comprise the CPU that to process operational data according to signal input and output, be connected with the Signal interface module of energy control signal access in CPU, it is characterized in that, also be connected with on the described CPU and can control motor-driven phase sequence signaling module, be connected with the drive control module that to determine the motor start and stop according to the signal of phase sequence signaling module input at the phase sequence signaling module, be connected with the current detection module that can detect the drive control module operating current and testing result can be fed back to CPU at drive control module.
In above-mentioned two-phase low-power stepper motor driving governor, described drive control module comprises the full H bridge of two-way drive circuit.
In above-mentioned two-phase low-power stepper motor driving governor, also be connected with the circuit protection module that to carry out circuit protection according to the signal pair Central Processing Unit that CPU is sent on the described CPU.
In above-mentioned two-phase low-power stepper motor driving governor, described circuit protection module comprises overvoltage circuit, under-voltage circuit, crosses current circuit and over-temperature circuit.
In above-mentioned two-phase low-power stepper motor driving governor, the segmentation electric current that described CPU also is connected with for the input of user's signalization arranges circuit.
In above-mentioned two-phase low-power stepper motor driving governor, described segmentation electric current arranges circuit and is connected with the PORT COM module.
In above-mentioned two-phase low-power stepper motor driving governor, described CPU is connected with the internal electric source module.
Compared with prior art, the advantage of this two-phase low-power stepper motor driving governor is: reasonable in design, simple and reliable for structure, antijamming capability is strong, step angle resolution is high, and the stepping motor positioning accuracy is high, and caloric value is little, vibrate littlely, noise is little, and efficient is high.
Description of drawings
Fig. 1 is the structured flowchart that the utility model provides.
Fig. 2 is the physical circuit figure that the utility model provides.
Among the figure, CPU 1, Signal interface module 2, phase sequence signaling module 3, drive control module 4, current detection module 5, circuit protection module 6, segmentation electric current arrange circuit 7, PORT COM module 71, internal electric source module 8.
Embodiment
The utility model is described in more detail below in conjunction with the drawings and specific embodiments.
Such as Fig. 1, shown in 2, this two-phase low-power stepper motor driving governor, comprise the CPU 1 that to process operational data according to signal input and output, be connected with the Signal interface module 2 of energy control signal access on the CPU 1, also be connected with on the CPU 1 and can control motor-driven phase sequence signaling module 3, be connected with the drive control module 4 that to determine the motor start and stop according to the signal of phase sequence signaling module 3 inputs at phase sequence signaling module 3, be connected with the current detection module 5 that can detect drive control module 4 operating currents and testing result can be fed back to CPU 1 at drive control module 4.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more used CPU 1, Signal interface module 2, phase sequence signaling module 3, drive control module 4, current detection module 5, circuit protection module 6, segmentation electric current that the terms such as circuit 7, PORT COM module 71, internal electric source module 8 are set, do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (7)
1. two-phase low-power stepper motor driving governor, comprise the CPU (1) that to process operational data according to signal input and output, be connected with the Signal interface module (2) of energy control signal access in CPU (1), it is characterized in that, also be connected with on the described CPU (1) and can control motor-driven phase sequence signaling module (3), be connected with the drive control module (4) that to determine the motor start and stop according to the signal of phase sequence signaling module (3) input at phase sequence signaling module (3), be connected with the current detection module (5) that can detect drive control module (4) operating current and testing result can be fed back to CPU (1) at drive control module (4).
2. two-phase low-power stepper motor driving governor according to claim 1 is characterized in that, described drive control module (4) comprises the full H bridge of two-way drive circuit.
3. two-phase low-power stepper motor driving governor according to claim 2; it is characterized in that, also be connected with the circuit protection module (6) that to carry out circuit protection according to the signal pair Central Processing Unit (1) that send CPU (1) on the described CPU (1).
4. two-phase low-power stepper motor driving governor according to claim 3 is characterized in that, described circuit protection module (6) comprises overvoltage circuit, under-voltage circuit, crosses current circuit and over-temperature circuit.
5. according to claim 1 and 2 or 3 or 4 described two-phase low-power stepper motor driving governors, it is characterized in that, the segmentation electric current that described CPU (1) also is connected with for the input of user's signalization arranges circuit (7).
6. two-phase low-power stepper motor driving governor according to claim 5 is characterized in that, described segmentation electric current arranges circuit (7) and is connected with PORT COM module (71).
7. two-phase low-power stepper motor driving governor according to claim 6 is characterized in that, described CPU (1) is connected with internal electric source module (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202016284U CN202663337U (en) | 2012-05-08 | 2012-05-08 | Two-phase low-power stepping motor drive controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202016284U CN202663337U (en) | 2012-05-08 | 2012-05-08 | Two-phase low-power stepping motor drive controller |
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| Publication Number | Publication Date |
|---|---|
| CN202663337U true CN202663337U (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202016284U Expired - Fee Related CN202663337U (en) | 2012-05-08 | 2012-05-08 | Two-phase low-power stepping motor drive controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142223A (en) * | 2018-10-11 | 2019-01-04 | 中国科学院植物研究所 | A kind of automatic sample-changing equipment |
-
2012
- 2012-05-08 CN CN2012202016284U patent/CN202663337U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142223A (en) * | 2018-10-11 | 2019-01-04 | 中国科学院植物研究所 | A kind of automatic sample-changing equipment |
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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: 20130109 Termination date: 20150508 |
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| EXPY | Termination of patent right or utility model |