CN201075178Y - Multi-step motor controller based on network control - Google Patents
Multi-step motor controller based on network control Download PDFInfo
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- CN201075178Y CN201075178Y CNU2007200646315U CN200720064631U CN201075178Y CN 201075178 Y CN201075178 Y CN 201075178Y CN U2007200646315 U CNU2007200646315 U CN U2007200646315U CN 200720064631 U CN200720064631 U CN 200720064631U CN 201075178 Y CN201075178 Y CN 201075178Y
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- stepper motor
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- multistep
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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
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses a multi-stepping motor controller based on network control, which is used for controlling and driving a stepping motor group which consists of a plurality of stepping motors at the same time. The utility model comprises a network interface which is used for network connection and receiving control commands, a CPU which is connected with the network interface, used for extracting control parameters from the control commands and converting the control parameters into control signals for output, a signal isolation circuit which is connected with the output terminal of the CPU, a stepping motor drive group which is connected with the output terminal of the signal isolation circuit and composed of a plurality of stepping motor drives, and a time-sharing control communication circuit which is connected between the stepping motor drive group and the stepping motor group and used for communicating one stepping motor drive of the stepping motor drive group which drives a corresponding stepping motor according to the control signals . The utility model implements the control of a plurality of stepping motors by virtue of network time-sharing.
Description
Technical field
The utility model relates to electric machines control technology, especially relates to a kind of being applied in the industrial control field, and the multistep of control Network Based is advanced electric machine controller.
Background technology
Conventional motors in electrified process plays a part key in Human's production with living to enter as electromechanical energy conversion device.Along with progress of science and technology, conventional motors adapts to the requirement of various kinetic control systems such as factory automation and office automation, developed a series of new electric motor systems that possess control function, own characteristics have wherein been arranged, and used very widely that a class is a stepper motor.
Stepper motor is the open loop control element that electric impulse signal is changed into angular displacement or displacement of the lines.Under the situation of non-overload, the frequency and the umber of pulse of pulse signal are only depended in rotating speed of motor, the position that stops, and are not subjected to the influence of load variations, promptly add a pulse signal to motor, and motor then turns over a step angle.The existence of this linear relationship adds that stepper motor has only periodic error and do not have characteristics such as cumulative errors.Make in control fields such as speed, positions very simple of controlling change with stepper motor.Therefore, stepper motor has become the 3rd class motor except that direct current motor and AC motor.
The development and the computer industry of stepper motor are closely related.On the one hand, since stepper motor replaces small-sized DC motor in computer peripheral after, the performance of its equipment is improved, promoted the development of stepper motor soon; On the other hand, the development of microcomputer and digital control technology, to promote the use of other field as the stepper motor of digital control system execution unit again, as electrical process machine, miniwatt mechanical processing machine, surveying instrument, optics and Medical Instruments and package packing machine etc.
There is a large amount of universal stepper motor drivers the market at present, only needs to offer its power supply, direction signal and action pulse signal and gets final product work.Though this series products is convenient user,, still there is following defective:
1, all can only control one to one owing to this quasi-driver stepping is electronic, therefore, in the automatic blending processing industry of a lot of industries such as food, need to install a plurality of stepper motors on the process equipment, and because the volume and the space constraint of equipment, existence can't be installed the situation of a plurality of stepper motor drivers simultaneously;
2, be that timesharing is finished owing to the action of stepper motor is actual, a plurality of stepper motors do not adopted the time-sharing multiplex controlling and driving, but all adopt a plurality of drivers that stepper motor is adopted controlling and driving one to one, so there is the too high shortcoming of cost.
3 and, along with networks development, the product line of factory need carry out the robotization of workshop level, can carry out chain interactive control by computer control between each workshop appliance, press for by ethernet network control field apparatus, and at present most controllor for step-by-step motor is not realized network control.
The utility model content
The purpose of this utility model is to provide a kind of multistep of control Network Based to advance electric machine controller, to utilize the network timesharing to control a plurality of stepper motors, solve the technical matters that existing stepper motor driver can't be controlled a plurality of stepper motors simultaneously and realize network control.
For solving technical matters of the present utility model, the utility model discloses a kind of multistep of control Network Based and advances electric machine controller, be used for the stepper motor that the while controlling and driving is made up of a plurality of stepper motors, comprise: be used for the network interface that network connects and receive control command; Be connected with described network interface, be used for extracting controlled variable, and controlled variable is changed into the CPU (central processing unit) of control signal output from described control command; Be connected described CPU (central processing unit) output terminal, be used to receive described control signal and amplifying signal buffer circuit; Be connected described signal isolation circuit output terminal, the stepper motor driver group that constitutes by a plurality of step motor drive; And be connected between described stepper motor driver group and the described stepper motor, be used for according to described one of them stepper motor driver of stepper motor driver group of described control signal gating, and drive the timesharing control gating circuit of corresponding stepper motor by this stepper motor driver.
More excellent, described timesharing control gating circuit comprises: be connected the relay circuit between described stepper motor driver group and the described stepper motor; Be connected gating and driving circuit between described signal isolation circuit output terminal and the described relay circuit.
More excellent, described network interface comprises one or more of serial line interface, Ethernet interface or light port.
More excellent, the multistep of described control Network Based is advanced electric machine controller and is also comprised: be connected the output terminal of described CPU (central processing unit), be used to send the warning circuit of visual alarm or audible ringing signal.
More excellent, the multistep of described control Network Based is advanced electric machine controller and is also comprised: be connected the input end of described CPU (central processing unit), be used for the digital-quantity input interface of input digit information.
More excellent, the multistep of described control Network Based is advanced electric machine controller and is also comprised: be connected the input end of described CPU (central processing unit), be used to import the analog quantity input interface of analog information.
More excellent, the multistep of described control Network Based is advanced electric machine controller and is also comprised: be connected the input end of described CPU (central processing unit), be used to show described CPU (central processing unit) current execution control command and the touch-screen at control interface is provided for the user.
More excellent, described CPU (central processing unit) is the ARM microprocessor.
Compared with prior art, the utlity model has following beneficial effect:
1, the utility model adopts the time-sharing multiplex control technology, has broken away from stepper motor driver Stepping Motor Control driving in pairs in the prior art, has realized utilizing time-sharing multiplex to control a plurality of stepper motors simultaneously;
2, network interface of the present utility model can receive external network and transmit the control command that is used for the control step motor, and therefore, the utility model is with all multi-control apparatus interconnection in workshop, utilizes the realization of the unified control of network that condition is provided;
3, broken away from stepper motor driver Stepping Motor Control driving in pairs in the prior art, especially in the equipment of a large amount of stepper motors of needs, utilize the utility model can significantly reduce the usage quantity of stepper motor driver, the cost of reduction equipment, owing to the usage quantity of stepper motor driver, also help the device space volume of minimizing simultaneously.
Description of drawings
Fig. 1 is the structural representation of the utility model controller.
Fig. 2 is the electrical block diagram of a specific embodiment of the utility model controller.
Embodiment
Please refer to shown in Figure 1ly, is the structural representation of a preferred embodiment of the controllor for step-by-step motor that discloses of the utility model.
This controller is used for the stepper motor 150 that the while controlling and driving is made up of a plurality of stepper motors, comprising: be used for the network interface 100 that network connects and receive control command; Be connected with described network interface 100, be used for extracting controlled variable, and controlled variable is changed into the CPU (central processing unit) 110 of control signal output from described control command; Be connected described CPU (central processing unit) 110 output terminals, be used to receive described control signal and amplifying signal buffer circuit 120; Be connected described signal isolation circuit 120 output terminals, the stepper motor driver group 130 that constitutes by a plurality of step motor drive; And be connected between described stepper motor driver group 130 and the described stepper motor 150, be used for according to described stepper motor driver group 150 one of them stepper motor driver of described control signal gating, and drive the timesharing control gating circuit 140 of corresponding stepper motor by this stepper motor driver.
Wherein, described CPU (central processing unit) 110 is the ARM microprocessor.Described timesharing control gating circuit 140 comprises: be connected the relay circuit 141 between described stepper motor driver group 130 and the described stepper motor 150; Be connected gating and driving circuit 142 between described signal isolation circuit 120 output terminals and the described relay circuit 141.
Described network interface 100 is an Ethernet interface, such as being the RJ45 interface, also can be the serial line interface for RS-232 or RS-232-C, even can also be light port (or SC port).Described network interface 100 is connected with control end on the network, and the control command on the control end is sent to described CPU (central processing unit) 110, also the execution result of described CPU (central processing unit) 110 can be fed back to control end by described network interface 100.
Be divided into two kinds in the described control command, first kind is the device configuration order, comprises the various characteristics parameter of the controllers such as condition that configuration is reported to the police to the output impulse speed of each stepper motor, configuration; Another kind is the production technology file, has comprised action step number, the direction of given each motor, the sequential scheduling information of action hereof, the process that it has specified described stepper motor 150 to carry out work.
Controller of the present utility model moves for the first time, generally at first can carry out the configuration of an initialization self.During ordinary production, described CPU (central processing unit) 110 receives the production technology file that the control end on the network transmits, command parameter in the middle of extracting, such as M19 1,000 01, M19 represents No. 19 stepper motors in the described stepper motor 150, after this command signal made processing and amplifying by described signal isolation circuit 120, by the relay in described gating and the corresponding relay circuit 141 of driving circuit 142 drivings, with required relay adhesive, make No. 19 stepper motors and described stepper motor driver gating with a free time in the stepper motor driver group 130, then provide the control command signal to this stepper motor driver, comprise the direction pulse of controlling No. 19 stepper motors and the pulse of working step number, No. 19 stepper motor is promptly made corresponding action according to this order.So, reached the purpose of general stepper motor driver time-sharing multiplex.
Controller of the present utility model also is provided with 8 tunnel 10 digital-quantity input interface 181 of photoelectricity isolation and 8 tunnel 10 analog quantity input interface 182, all the input end with described CPU (central processing unit) 110 is connected, make and the function that to finish detection constitute closed-loop control.This interface 181 and 182 can carry out the network remote configuration by the configuration order of controller.Whether described digital-quantity input interface 181 is usually used as position probing, can receive 48V and import with interior d. c. voltage signal, detect controller and put in place, and its concrete implication can be according to actual disposition.Analog quantity input interface 182 can receive the normal voltage signal of 0-5V usually, and its concrete implication can be generally the input of analog quantitys such as liquid level according to actual disposition.
Controller of the present utility model also is provided with the warning circuit 160 of acoustical signal or light signal, and all the output terminal with described CPU (central processing unit) 110 is connected, and when reaching alert if, sends alerting signal, reminds the field personnel in time to handle.
In addition, the touch-screen 170 that controller of the present utility model also is provided with the control command of the current execution that is used to show described CPU (central processing unit) and provides the control interface for the user is connected with the input end of described CPU (central processing unit) 110.Therefore, the user can start, end even stop controller of the present utility model by described touch-screen 170, also can handle the alarm failure that described warning circuit 160 sends by described touch-screen 170.
Simultaneously, please refer to shown in Figure 2ly, is the electrical block diagram of a specific embodiment of the utility model controller.The microprocessor of the ARM7 series of the Samsung that described CPU (central processing unit) 110 employing models are S3C440B0X; Described signal isolation circuit 120 can adopt the model more than 2 or 2 to be the optocoupler coupling mechanism of TLP521 series as required; Described timesharing control gating circuit 140 then is to adopt the model more than 2 or 2 to be 74138 logic chips generation gating signal as required, its gating signal is amplified by Darlington transistor integrated circuit MC1413, drive the DC relay adhesive of 4 passages, the stepper motor that comes gating to drive.By the number of pulses to general stepper motor driver assigned direction signal and stepping, control is moved by the stepper motor of gating.
Claims (8)
1. the multistep of a control Network Based is advanced electric machine controller, is used for the stepper motor that the while controlling and driving is made up of a plurality of stepper motors, it is characterized in that, comprising:
Be used for the network interface that network connects and receive control command;
Be connected with described network interface, be used for extracting controlled variable, and controlled variable is changed into the CPU (central processing unit) of control signal output from described control command;
Be connected described CPU (central processing unit) output terminal, be used to receive described control signal and amplifying signal buffer circuit;
Be connected described signal isolation circuit output terminal, the stepper motor driver group that constitutes by a plurality of step motor drive;
And be connected between described stepper motor driver group and the described stepper motor, be used for according to described one of them stepper motor driver of stepper motor driver group of described control signal gating, and drive the timesharing control gating circuit of corresponding stepper motor by this stepper motor driver.
2. the multistep of control Network Based according to claim 1 is advanced electric machine controller, it is characterized in that, described timesharing control gating circuit comprises:
Be connected the relay circuit between described stepper motor driver group and the described stepper motor;
Be connected gating and driving circuit between described signal isolation circuit output terminal and the described relay circuit.
3. the multistep of control Network Based according to claim 1 is advanced electric machine controller, it is characterized in that, described network interface comprises one or more of serial line interface, Ethernet interface or light port.
4. the multistep of control Network Based according to claim 1 is advanced electric machine controller, it is characterized in that, also comprises: be connected the output terminal of described CPU (central processing unit), be used to send the warning circuit of visual alarm or audible ringing signal.
5. the multistep of control Network Based according to claim 1 is advanced electric machine controller, it is characterized in that, also comprises: be connected the input end of described CPU (central processing unit), be used for the digital-quantity input interface of input digit information.
6. the multistep of control Network Based according to claim 1 is advanced electric machine controller, it is characterized in that, also comprises: be connected the input end of described CPU (central processing unit), be used to import the analog quantity input interface of analog information.
7. the multistep of control Network Based according to claim 1 is advanced electric machine controller, it is characterized in that, also comprise: be connected the input end of described CPU (central processing unit), be used to show described CPU (central processing unit) current execution control command and the touch-screen at control interface is provided for the user.
8. advance electric machine controller according to the multistep of any one described control Network Based of claim 1 to 7, it is characterized in that, described CPU (central processing unit) is the ARM microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200646315U CN201075178Y (en) | 2007-09-28 | 2007-09-28 | Multi-step motor controller based on network control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200646315U CN201075178Y (en) | 2007-09-28 | 2007-09-28 | Multi-step motor controller based on network control |
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| Publication Number | Publication Date |
|---|---|
| CN201075178Y true CN201075178Y (en) | 2008-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007200646315U Expired - Fee Related CN201075178Y (en) | 2007-09-28 | 2007-09-28 | Multi-step motor controller based on network control |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010118646A1 (en) * | 2009-04-13 | 2010-10-21 | 中山大洋电机制造有限公司 | Motor, control method thereof and clustered control system for multiple motors |
| CN102736573A (en) * | 2011-04-14 | 2012-10-17 | 上海斯达普实业有限公司 | Local area network type intelligent automatic stepping control device with CAN fieldbus structure |
| CN107750034A (en) * | 2017-11-27 | 2018-03-02 | 中山路得斯空调有限公司 | A kind of performing art centre reverberation audio wall unit and control system |
| CN112506090A (en) * | 2020-10-19 | 2021-03-16 | 中国人民解放军海军工程大学 | Time-sharing multiplexing servo device and method for controlling operation of multiple motors |
-
2007
- 2007-09-28 CN CNU2007200646315U patent/CN201075178Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010118646A1 (en) * | 2009-04-13 | 2010-10-21 | 中山大洋电机制造有限公司 | Motor, control method thereof and clustered control system for multiple motors |
| CN102736573A (en) * | 2011-04-14 | 2012-10-17 | 上海斯达普实业有限公司 | Local area network type intelligent automatic stepping control device with CAN fieldbus structure |
| CN107750034A (en) * | 2017-11-27 | 2018-03-02 | 中山路得斯空调有限公司 | A kind of performing art centre reverberation audio wall unit and control system |
| CN112506090A (en) * | 2020-10-19 | 2021-03-16 | 中国人民解放军海军工程大学 | Time-sharing multiplexing servo device and method for controlling operation of multiple motors |
| CN112506090B (en) * | 2020-10-19 | 2022-03-29 | 中国人民解放军海军工程大学 | Time-sharing multiplexing servo device and method for controlling operation of multiple motors |
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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: 20080618 Termination date: 20100928 |