CN109194201A - A kind of motor linkage control method based on motor protector - Google Patents
A kind of motor linkage control method based on motor protector Download PDFInfo
- Publication number
- CN109194201A CN109194201A CN201811070891.2A CN201811070891A CN109194201A CN 109194201 A CN109194201 A CN 109194201A CN 201811070891 A CN201811070891 A CN 201811070891A CN 109194201 A CN109194201 A CN 109194201A
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- CN
- China
- Prior art keywords
- motor
- protector
- motor protector
- linkage control
- wireless module
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Classifications
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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
- H02P5/46—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor And Converter Starters (AREA)
Abstract
The motor linkage control method based on motor protector that the present invention relates to a kind of, motor protector is installed respectively on the every motor mutually to link, motor protector controls turn stopping for motor by controlling the on-off of contactor KM being electrically connected with motor, and each motor protector is respectively provided with 485 ports, wireless module and timer, 485 ports are electrically connected to each other by 485 lines, the Wi-Fi of wireless module covers the motor protector entirely interconnected, when motor status exception, motor protector issues local halt command, disconnecting relay makes contactor KM power loss, motor shuts down；Meanwhile motor protector issues remote interlocking control command, the method for substituting traditional PLC linkage control greatly reduces production cost, is suitble to small-sized manufacturing enterprise.
Description
Technical field
The present invention relates to industrial motor control technology fields, and in particular to a kind of motor based on motor protector
Inter-linked controlling method.
Background technique
Motor protector is also referred to as motor protector, and effect is comprehensively protected to motor, goes out in motor
Existing time-out starting, overcurrent, undercurrent, disconnected phase, stall, short circuit, over-voltage, under-voltage, electric leakage ground connection, three-phase imbalance, overheat, Bearing Grinding
When damage, rotor bias, external fault, incoming call self-starting, inverse time lag, the device being alarmed or protected.For industry spot,
For coaxial motor or belt driving motor, after one of abnormal motor is by motor protector power-off parking, industry is raw
Production can not continue, remaining normal motor is also required to stop simultaneously, this just needs to carry out the state synchronization operation of part motor.
Currently, industrial motor linkage is realized by the method for PLC, but the production cost is very high, is not suitable for small-sized life
The enterprise of production, the present invention is based on a kind of methods that motor protector devises motor linkage control thus.
Summary of the invention
To solve the above problems, the present invention provides a kind of motor linkage control method based on motor protector, give up PLC
The method of linkage control realizes the simultaneously operating of association motor based on 485 communications of motor protector or wireless telecommunications.
The present invention provides a kind of motor linkage control method based on motor protector in order to solve the above problem, mutually
Motor protector is installed respectively, motor protector is by controlling the contactor KM's being electrically connected with motor on every motor of linkage
On-off turns to stop to control motor, and each motor protector is respectively provided with 485 ports, wireless module and timer, 485 ports
It is electrically connected to each other by 485 lines, the Wi-Fi of wireless module covers the motor protector entirely interconnected, when motor status exception
When, motor protector issues local halt command, and disconnecting relay makes contactor KM power loss, and motor shuts down；Meanwhile motor
Protector issues remote interlocking control command, passes through the wireless wide of 485 lines based on modbus rtu protocol or wireless module
Broadcast mode be sent to it is each association motor motor protector on, be associated with motor motor protector receive linkage command after,
Data packet is parsed, matches respective IP and number, after successful match, is operated according to the instruction of data packet, is associated with motor
Motor protector starting timer starts timing, and relay, contactor KM power loss are disconnected after timing, and association motor stops fortune
Turn.
As a kind of further scheme of the motor linkage control method based on motor protector of the present invention, the wireless mould
Block is WiFi module, ZigBee module or GPRS module.
As a kind of further scheme of the motor linkage control method based on motor protector of the present invention, the data packet
CRC check is set, and the data field of data packet includes action command, delay duration, be finished confirmation.
Beneficial effect
1, a kind of motor linkage control method based on motor protector of the present invention, by designing electricity directly on motor protector
Machine linkage control function, the method for substituting traditional PLC linkage control, greatly reduces production cost, and small-sized production is suitble to look forward to
Industry, and good function bright spot also is provided for motor protector manufacturer, improve the brand competitiveness of enterprise；
2,485 ports are not only arranged also in a kind of motor linkage control method based on motor protector of the present invention, motor protector
Wireless module is set, and synchronization can be realized by the way that respective 485 port is connected in the motor protector for being closer
Control, for can be by WiFi module, ZigBee module and GPRS module, to realize that motor is protected apart from farther away motor protector
The communication for protecting device, can adapt to the working environment of different scenes, meet factory needing.
Detailed description of the invention
Fig. 1 is structural block diagram of the invention；
Fig. 2 is flow chart of the invention；
In figure: 1, motor, 2, motor protector, 201,485 ports, 202, wireless module, 3, contactor, 4, relay.
Specific embodiment
It is as shown in the figure: a kind of motor linkage control method based on motor protector, on the every motor 1 mutually to link point
Not An Zhuan motor protector 2, motor protector 2 controls motor 1 by controlling the on-off of contactor 3 being electrically connected with motor 1
Turn stop, and each motor protector 2 is respectively provided with 485 ports 201, wireless module 202 and timer, and 485 ports 201 pass through
485 lines are electrically connected to each other, and the Wi-Fi of wireless module 202 covers the motor protector entirely interconnected.
For the motor protector 2 being closer, linkage control is relatively easy, by by respective 485 port 201 into
Row series connection, hardware components can be completed, can be by external in motor protector 2 for the farther away motor protector 2 of mutual distance
Or built-in WiFi module or ZigBee module, and large-scale wireless network covering is realized by 202 ad hoc network of wireless module,
The motor protector 2 of local faulty motor 1 is then broadcasted by wireless network, and the motor protector 2 of notice associated motor 1 is held
The corresponding linkage action of row；For the motor protector 2 not in the same power distribution room, using 485 lines or WiFi module, and
ZigBee module is obviously inconvenient, and the present invention is directed to such situation, design external or built-in GPRS mould on motor protector 2
Remote interlocking order is sent to the GPRS wireless module of each motor protector 2 by GPRS module by block by GPRS signal
On, respectively whether need to carry out linkage action by analysis judgment.
Industry spot breaks down when motor 1 is abnormal, its motor protector 2 is caused to issue local halt command and long-range connection
Dynamic control command, motor protector 2 execute local halt command, and disconnecting relay 4 makes 3 power loss of contactor, and motor 1 stops fortune
Turn；Meanwhile remote interlocking control command, by 485 lines, is based on modbus rtu protocol in the case where only 485 communication,
Linkage control order is sent to remaining motor protector 2, in the case where there is wireless module 202, by way of radio broadcasting,
Linkage control order is sent to remaining motor protector 2, after remaining motor protector 2 receives linkage control order, parses number
According to packet, respective IP and number are matched, after successful match, operated according to the instruction of data packet, can wherein be wrapped in data packet
Containing delay command, if the corresponding motor protector 2 of motor 1 of successful match includes delay command, the starting of motor protector 2 is certainly
Timer built in body starts timing, and hard stop order is executed after timing, disconnects relay 4, and 3 power loss of contactor is closed
Connection motor 1 shuts down, likewise, if no-delay order in data packet, that is, be immediately performed halt command.
Wherein communication data packets remove communication protocol standard format, and data field includes at least action command, and delay duration is held
Row finishes confirmation etc., and reference format carries CRC check, and motor protector 2 executes operation program by single local shutdown life
Order becomes local halt command or remote machine order, and trigger action program also becomes sending local stop from sending local halt instruction
Machine instruction and long-range halt instruction；When GPRS module carries out data communication, there may be not expectable delay because of signal reason, connect
It needs to carry out local time tick operation after receiving data packet, after removing unexpected delay time, then processing is timed, if unexpected delay
Time, which is greater than in data packet, needs timing delay time, then motor protector 2 directly skips fixed cycle operator, is immediately performed parking life
It enables.
The present invention passes through designs motor linkage control function directly on motor protector 2, substitutes traditional PLC linkage control
The method of system, greatly reduces production cost, is suitble to small-sized manufacturing enterprise, and also provides for 2 manufacturer of motor protector
Good function bright spot, improves the brand competitiveness of enterprise.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
It is right according to the technical essence of the invention for the equivalent embodiment of equivalent variations, but without departing from the technical solutions of the present invention
Any simple modification, equivalent change and modification made by above embodiments, all of which are still within the scope of the technical scheme of the invention.
Claims (3)
1. a kind of motor linkage control method based on motor protector, it is characterised in that: on the every motor (1) mutually to link
Motor protector (2) are installed respectively, motor protector (2) by the on-off of contactor (3) that control is electrically connected with motor (1) come
Control motor (1) turns to stop, and each motor protector (2) is respectively provided with 485 ports (201), wireless module (202) and timing
Device, 485 ports (201) are electrically connected to each other by 485 lines, and the Wi-Fi of wireless module (202) covers the motor entirely interconnected
Protector, when motor (1) abnormal state, motor protector (2) issues local halt command, and disconnecting relay (4) makes to contact
Device (3) power loss, motor (1) shut down；Meanwhile motor protector (2) issues remote interlocking control command, by being based on
The radio broadcasting mode of 485 lines or wireless module (202) of modbus rtu protocol is sent to the horse of each association motor (1)
Up on protector (2), after the motor protector (2) of association motor (1) receives linkage control order, data packet, matching are parsed
Respective IP and number after successful match, are operated according to the instruction of data packet, and motor protector (2) starting timer is opened
Begin periodically, to disconnect relay (4) after timing, contactor (3) power loss, association motor (1) shuts down.
2. a kind of motor linkage control method based on motor protector according to claim 1, it is characterised in that: described
Wireless module (202) is WiFi module, ZigBee module or GPRS module.
3. a kind of motor linkage control method based on motor protector according to claim 1, it is characterised in that: described
CRC check is arranged in data packet, and the data field of data packet includes action command, delay duration, be finished confirmation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811070891.2A CN109194201A (en) | 2018-09-14 | 2018-09-14 | A kind of motor linkage control method based on motor protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811070891.2A CN109194201A (en) | 2018-09-14 | 2018-09-14 | A kind of motor linkage control method based on motor protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109194201A true CN109194201A (en) | 2019-01-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811070891.2A Pending CN109194201A (en) | 2018-09-14 | 2018-09-14 | A kind of motor linkage control method based on motor protector |
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| Country | Link |
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| CN (1) | CN109194201A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111142506A (en) * | 2020-01-22 | 2020-05-12 | 许昌中科森尼瑞技术有限公司 | Method for controlling starting and stopping of motor, motor protector and industrial control system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201584759U (en) * | 2009-12-28 | 2010-09-15 | 东南大学 | Double-motor linkage device of motor protector |
| CN204361667U (en) * | 2015-02-03 | 2015-05-27 | 成都赛诺菲电气有限公司 | A kind of comprehensive Intelligent motor protector |
| CN206180409U (en) * | 2016-10-26 | 2017-05-17 | 株洲中车机电科技有限公司 | Ring accuse cabinet |
| CN108375732A (en) * | 2018-03-01 | 2018-08-07 | 北京迪利科技有限公司 | Motor monitoring and pre-alarming method and system |
-
2018
- 2018-09-14 CN CN201811070891.2A patent/CN109194201A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201584759U (en) * | 2009-12-28 | 2010-09-15 | 东南大学 | Double-motor linkage device of motor protector |
| CN204361667U (en) * | 2015-02-03 | 2015-05-27 | 成都赛诺菲电气有限公司 | A kind of comprehensive Intelligent motor protector |
| CN206180409U (en) * | 2016-10-26 | 2017-05-17 | 株洲中车机电科技有限公司 | Ring accuse cabinet |
| CN108375732A (en) * | 2018-03-01 | 2018-08-07 | 北京迪利科技有限公司 | Motor monitoring and pre-alarming method and system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111142506A (en) * | 2020-01-22 | 2020-05-12 | 许昌中科森尼瑞技术有限公司 | Method for controlling starting and stopping of motor, motor protector and industrial control system |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190111 |
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| RJ01 | Rejection of invention patent application after publication |