CN112202371A - Time-sharing control switching system for multiple servo motors - Google Patents
Time-sharing control switching system for multiple servo motors Download PDFInfo
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- CN112202371A CN112202371A CN202011052184.8A CN202011052184A CN112202371A CN 112202371 A CN112202371 A CN 112202371A CN 202011052184 A CN202011052184 A CN 202011052184A CN 112202371 A CN112202371 A CN 112202371A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/74—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more ac dynamo-electric motors
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Abstract
A multi-servo motor time-sharing control switching system belongs to the technical field of motors. The automatic switching device comprises a power supply (1), a servo driver (2), a time-sharing control switching box (3), a motor (4), a switching operation box (5) and an upper computer (6), wherein the power supply (1) is connected with the servo driver (2) to supply power to a system, the servo driver (2) is respectively connected with the motors (4), the switching operation box (5) and the upper computer (6) through the time-sharing control switching box (3), and the switching operation box can be manually controlled and automatically controlled by the upper computer. The multi-motor time-sharing control system has the advantages of being simple in structure, reasonable in design, capable of achieving time-sharing control of multiple servo motors, reducing cost and energy consumption, enabling multiple motors to work in a time-sharing mode conveniently, quickly and effectively, economical in use and capable of being widely used for multiple motor time-sharing control work.
Description
Technical Field
The invention belongs to the technical field of motors, and particularly relates to a multi-servo motor time-sharing control switching system.
Background
With the development of power electronic technology and control technology, motors are widely applied to various industrial devices. The motor control generally adopts a method that one driver controls one motor, and a control system for working a plurality of servo motors is large in size and high in cost. By adding the control switching unit, the servo driver can control the operation of a plurality of motors in a time-sharing manner, so that the system volume is effectively reduced, and the cost is reduced.
Disclosure of Invention
The invention aims to provide a multi-servo motor time-sharing control switching system, which solves the problems of resource waste and the like caused by the need of a plurality of drivers for controlling a plurality of servo motors.
The invention comprises a power supply 1, a servo driver 2, a time-sharing control switching box 3, a motor 4 (a plurality of motors), a switching operation box 5 and an upper computer 6, wherein the power supply 1 is connected with the servo driver 2 to supply power for a system, the servo driver 2 is respectively connected with the plurality of motors 4, the switching operation box 5 and the upper computer 6 through the time-sharing control switching box 3, and the manual control of the switching operation box and the automatic control of the upper computer can be realized.
The power supply 1 is a direct current power supply or a battery and an alternating current power supply and supplies power to the servo driver 2, the time-sharing control switching box 3, the plurality of motors 4 and the switching operation box 5.
The servo driver 2 has the functions of current control, speed control and position control of a plurality of motors, fault signal and analog signal acquisition and alarm and the like.
The time-sharing control switching box 3 mainly comprises a digital signal processor unit and a switching unit, and realizes a time-sharing switching function. The digital signal processor unit is responsible for receiving the switching signal of the switching operation box 5 or the upper computer 6 and performing switching control and the like. The peripheral circuit of the digital signal processor unit comprises circuits such as a power supply, a CAN bus receiving circuit, a signal transmission circuit and the like. The switching unit comprises a plurality of groups of relays, contactors, digital switch circuits and the like, switching operation is executed after switching signals arrive, when the switching signals arrive at a certain moment, only one group is opened, and the rest groups are closed, and the switching signals are operated corresponding to one of the motors, and the rest groups are stopped.
The switching operation box 5 realizes a manual mode and comprises an operation module and an indication module.
The upper computer 6 realizes an automatic mode and comprises upper computer control software.
In the manual mode, the switching operation box is manually used, a power switch of the switching operation box is firstly turned on, the mode selection switch is turned to be manual, the wave band switch is rotated to indicate the gating condition of the number 1-n servo motors, and the switching box is controlled to switch the power supply and the signals corresponding to the current motor. And after the switching is finished, independently operating the selected motor to advance or retreat.
Under the automatic mode, the manual work uses the switching operation box, closes its switch earlier, dials the mode selection switch to automation, and the host computer gives the timesharing control command through relevant communication, and the control switches the case and accomplishes timesharing and switches, looks over selection and running state through the host computer.
Due to the adoption of the technical scheme, the invention has the following advantages:
1. the time-sharing control of a plurality of servo motors is realized through one set of control system, and the cost and the energy consumption are reduced.
2. The invention realizes the switching between the automatic mode and the manual mode, and has wider application range.
3. The invention has simple structure, convenient operation, economy and applicability, and can be widely used for multi-motor time-sharing control work.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the time-sharing control switching box of the invention.
Fig. 3 is a schematic structural diagram of the switching operation box in the present invention.
In fig. 1, a power supply 1, a servo driver 2, a time-sharing control switching box 3, a motor 4 (a plurality of motors), a switching operation box 5, and an upper computer 6.
Detailed Description
For the purpose of describing the objects, structural features and technical solutions of the present invention in detail, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of the present invention.
As shown in fig. 1, the multi-servo motor time-sharing control switching system provided by the invention comprises a power supply 1, a servo driver 2, a time-sharing control switching box 3, a plurality of motors 4, a switching operation box 5 and an upper computer 6, and can realize manual control of the switching operation box and automatic control of the upper computer.
The power supply 1 is a direct current power supply or a battery and an alternating current power supply and supplies power to the servo driver 2, the time-sharing control switching box 3, the plurality of motors 4 and the switching operation box 5.
The servo driver 2 has the functions of current control, speed control and position control of a plurality of motors 4, fault signal and analog signal acquisition and alarm and the like.
The time-sharing control switching box 3 mainly includes a digital signal processor and a switching unit, and implements a time-sharing switching function, as shown in fig. 2. The digital signal processor is responsible for receiving switching signals of the switching operation box 5 or the upper computer 6 and performing switching control and the like. The digital signal processor peripheral circuit comprises a power supply, a CAN bus receiving circuit, a signal transmission circuit and the like. The switching unit comprises a plurality of groups of relays, contactors, digital switch circuits and the like, switching operation is executed after switching signals arrive, when the switching signals arrive at a certain moment, only one group is opened, and the rest groups are closed, and the switching signals are operated corresponding to one of the motors 4, and the rest are stopped.
Wherein, the switching operation box 5 realizes a manual mode, and comprises an operation module and an indication module, as shown in fig. 3.
The upper computer 6 realizes an automatic mode and comprises upper computer control software.
In the manual mode, the switching operation box 5 is manually used, a power switch of the switching operation box is firstly turned on, a mode selection switch is turned to be manual, a wave band switch is rotated to indicate gating conditions of No. 1-n servo motors, and the switching box is controlled to switch the power supply and signals corresponding to the current motor. And after the switching is finished, independently operating the selected motor to advance or retreat.
Under the automatic mode, the manual operation uses switching operation box 5, closes its switch earlier, dials the mode selection switch to automatic, and host computer 6 gives the timesharing control command through relevant communication, and the control switching case accomplishes timesharing and switches, looks over selection and running state through host computer 6.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The multi-servo-motor time-sharing control switching system is characterized by comprising a power supply (1), a servo driver (2), a time-sharing control switching box (3), motors (4), a switching operation box (5) and an upper computer (6), wherein the power supply (1) is connected with the servo driver (2) to supply power to the system, the servo driver (2) is respectively connected with the motors (4), the switching operation box (5) and the upper computer (6) through the time-sharing control switching box (3), and manual control of the switching operation box and automatic control of the upper computer can be realized;
the power supply (1) is a direct-current power supply or a battery and an alternating-current power supply and supplies power to the servo driver (2), the time-sharing control switching box (3), the multiple motors (4) and the switching operation box (5);
the servo driver (2) has the functions of current control, speed control and position control of a plurality of motors, fault signal and analog signal acquisition, alarm and the like.
The time-sharing control switching box (3) comprises a digital signal processor unit and a switching unit, and realizes a time-sharing switching function; the digital signal processor unit is responsible for receiving the switching signal of the switching operation box (5) or the upper computer (6) and performing switching control.
2. The time-sharing control switching system for multiple servo motors according to claim 1, wherein the peripheral circuits of the digital signal processor unit comprise circuits of a power supply, a CAN bus receiving circuit, a signal transmitting circuit and the like; the switching unit comprises a plurality of groups of relays, contactors and digital switch circuits, switching operation is executed after switching signals arrive, when the switching signals arrive at a certain moment, only one group is opened, and the rest groups are closed, and the switching signals are operated corresponding to one of the motors, and the rest are stopped.
3. The multiple-servo motor time-sharing control switching system according to claim 1, wherein the switching operation box (5) implements a manual mode including an operation module and an indication module.
4. The multi-servo motor time-sharing control switching system according to claim 1, wherein the upper computer (6) implements an automatic mode, including upper computer control software.
5. The time-sharing control switching system for multiple servo motors according to claim 3, wherein in the manual mode, the switching operation box is manually used, the power switch is turned on, the mode selection switch is turned to manual mode, the wave band switch is rotated to indicate the gating condition of No. 1-n servo motors, and the control switching box switches the power supply and the signal corresponding to the current motor; and after the switching is finished, independently operating the selected motor to advance or retreat.
6. The system for time-sharing control and switching of multiple servo motors according to claim 4, wherein in the automatic mode, the switching operation box is manually used, the power switch is turned off, the mode selection switch is turned to automatic, the upper computer sends a time-sharing control command through related communication to control the switching box to complete time-sharing switching, and the upper computer checks the selection and running states.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011052184.8A CN112202371A (en) | 2020-09-29 | 2020-09-29 | Time-sharing control switching system for multiple servo motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011052184.8A CN112202371A (en) | 2020-09-29 | 2020-09-29 | Time-sharing control switching system for multiple servo motors |
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| Publication Number | Publication Date |
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| CN112202371A true CN112202371A (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011052184.8A Pending CN112202371A (en) | 2020-09-29 | 2020-09-29 | Time-sharing control switching system for multiple servo motors |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113141132A (en) * | 2021-04-08 | 2021-07-20 | 苏州汇川技术有限公司 | Control method, system and equipment for driving multiple motors to operate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203596773U (en) * | 2012-12-04 | 2014-05-14 | 北京特种机械研究所 | Multi-unit integrated driver for brushless direct-current motor |
| CN105846726A (en) * | 2015-01-14 | 2016-08-10 | 上海西门子医疗器械有限公司 | Multi-motor time-sharing control system and imaging device |
| CN107219757A (en) * | 2017-07-30 | 2017-09-29 | 吴述梗 | One kind is electronic to be tethered at many rotor redundant power system architectures and control method |
| CN207148553U (en) * | 2017-07-30 | 2018-03-27 | 吴述梗 | One kind is electronic to be tethered at more rotor redundant power system architectures |
| CN209120088U (en) * | 2018-12-10 | 2019-07-16 | 上汽通用五菱汽车股份有限公司 | A kind of electric machine control system based on sharing frequency converter |
-
2020
- 2020-09-29 CN CN202011052184.8A patent/CN112202371A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203596773U (en) * | 2012-12-04 | 2014-05-14 | 北京特种机械研究所 | Multi-unit integrated driver for brushless direct-current motor |
| CN105846726A (en) * | 2015-01-14 | 2016-08-10 | 上海西门子医疗器械有限公司 | Multi-motor time-sharing control system and imaging device |
| CN107219757A (en) * | 2017-07-30 | 2017-09-29 | 吴述梗 | One kind is electronic to be tethered at many rotor redundant power system architectures and control method |
| CN207148553U (en) * | 2017-07-30 | 2018-03-27 | 吴述梗 | One kind is electronic to be tethered at more rotor redundant power system architectures |
| CN209120088U (en) * | 2018-12-10 | 2019-07-16 | 上汽通用五菱汽车股份有限公司 | A kind of electric machine control system based on sharing frequency converter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113141132A (en) * | 2021-04-08 | 2021-07-20 | 苏州汇川技术有限公司 | Control method, system and equipment for driving multiple motors to operate |
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Application publication date: 20210108 |