CN109507948A - A kind of environment-friendly engineering monitoring system based on PLC system - Google Patents
A kind of environment-friendly engineering monitoring system based on PLC system Download PDFInfo
- Publication number
- CN109507948A CN109507948A CN201811523207.1A CN201811523207A CN109507948A CN 109507948 A CN109507948 A CN 109507948A CN 201811523207 A CN201811523207 A CN 201811523207A CN 109507948 A CN109507948 A CN 109507948A
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- printer
- plc
- environment
- electrically connected
- main control
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/14—Plc safety
- G05B2219/14006—Safety, monitoring in general
Abstract
The present invention relates to environment-friendly engineering monitoring device technical fields; specially a kind of environment-friendly engineering monitoring system based on PLC system, including main control PLC, self-locking and locked loop, Brake stop circuit, automatically with manual loop, signal circuit, protective loop, PH thermometer, DO instrument, upper monitoring machine, the first printer, the second printer and third printer；The main control PLC respectively with self-locking and locked loop, Brake stop circuit, automatically with manual loop, signal circuit, protective loop, PH thermometer and DO instrument be electrically connected；The main control PLC and upper monitoring machine are electrically connected, and the upper monitoring machine and the first printer are electrically connected, and the main control PLC and the second printer are electrically connected, and second printer and third printer are electrically connected；The present invention effectively can monitor and control entire environment-protective process process in environment-friendly engineering, and have the function of the functions such as defencive function, measurement, function for monitoring and automatic control.
Description
Technical field
The present invention relates to environment-friendly engineering monitoring device technical field, specially a kind of environment-friendly engineering prison based on PLC system
Control system.
Background technique
In computer technology, electronic technology and internet, having for breath letter technology is engaged under promotion, Electrical Control Technology
Cracking development is obtained.Electric control system generally also be unable to do without PLC controller.It is all extensive in the every field in China
Using the Electrical Control Technology for having arrived PLC system, the application of electric control technology is obtained especially in environment-friendly engineering
Very big achievement.In view of this, it is necessary to it is furtherd investigate for utilization of the electric control in environment-friendly engineering,
To promote the continuous development of environment-friendly engineering.
Therefore, the application provides a kind of environment-friendly engineering monitoring system based on PLC system.
Summary of the invention
It can be in environment-friendly engineering effectively in view of the deficienciess of the prior art, the object of the present invention is to provide one kind
Monitor and control the environment-friendly engineering monitoring system based on PLC system of entire environment-protective process process.
To achieve the above object, the invention provides the following technical scheme: a kind of environment-friendly engineering based on PLC system monitors system
System, including main control PLC, self-locking and locked loop, Brake stop circuit, automatically with manual loop, signal circuit, protective loop,
PH thermometer, DO instrument, upper monitoring machine, the first printer, the second printer and third printer；The main control PLC respectively with
Self-locking and locked loop, Brake stop circuit, automatically with manual loop, signal circuit, protective loop, PH thermometer and DO instrument electricity
Property connection；The main control PLC and upper monitoring machine are electrically connected, and the upper monitoring machine and the first printer are electrically connected, institute
It states main control PLC and the second printer is electrically connected, second printer and third printer are electrically connected.
Further, the main control PLC is connect with end-equipment, the end-equipment include touch screen, AI sensor,
AD/ air blower adjusts unit, DI/ equipment running status unit, DO/ equipment start-stop unit and ups power；The main control PLC point
With touch screen, AI sensor, AD/ air blower adjust unit, DI/ equipment running status unit, DO/ equipment start-stop unit and
Ups power is electrically connected, and the ups power and upper monitoring machine are electrically connected.
Further, acoustic device and signal lamp are equipped in the signal circuit.
Further, in the protective loop be equipped with power supply, the power supply include direct current 24V, exchange 22V,
Exchange 36V with exchange 24V.
Further, the upper monitoring machine uses HMI.
Compared with prior art, the beneficial effects of the present invention are: a kind of environmentally friendly work based on PLC system of the present invention
Range monitoring system effectively can monitor and control entire environment-protective process process in environment-friendly engineering, and with the following functions:
1) defencive function: electrical equipment in the process of running necessarily will appear some failures, in this way believe this kind of failure
Have to have corresponding protection act after number detecting, conventional movement has disconnects switching electrical equipment or route in time
Deng, and prompt on monitoring display screen.
2) measure function: energy real-time control route or motor can be sent into more parameters in processor and carry out
Differentiate and analyze, then sends out movement response.It can be led in a manner of being formulated according to common operating condition or experience habit
Enter data.
3) function for monitoring: due to can not with the naked eye observe whether electrical equipment normal operation and charge,
Supervision equipment, which is mounted in control system, can enable the operator to carry out the operation conditions of route intuitively and timely
Monitoring.
4) automatic control function: breaker often has bigger volume, so needing to expend a large amount of manually to it
Switch is cooperated, and is also difficult to accomplish convenient, quick and timely when reaction, at this time just needs selection operation
System is controlled.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the schematic diagram that main control PLC is connect with end-equipment in the present invention.
In figure: 1 main control PLC, 2 is self-locking and locked loop, 3 Brake stop circuits, 4 are returned with manual loop, 5 signals automatically
Road, 6 protective loops, 7PH thermometer, 8DO instrument, 9 upper monitoring machines, 10 first printers, 11 second printers, the printing of 12 thirds
Machine, 13 touch screens, 14AI sensor, 15AD/ air blower adjust unit, 16DI/ equipment running status unit, 17DO/ equipment and open
Stop unit, 18UPS power supply.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of environment-friendly engineering monitoring system based on PLC system,
Including main control PLC 1, self-locking and locked loop 2, Brake stop circuit 3, automatically with manual loop 4, signal circuit 5, protective loop
6, PH thermometer 7, DO instrument 8, upper monitoring machine 9, the first printer 10, the second printer 11 and third printer 12；The master
Control PLC1 respectively with self-locking and locked loop 2, Brake stop circuit 3, automatically with manual loop 4, signal circuit 5, protective loop
6, PH thermometer 7 and DO instrument 8 are electrically connected；The main control PLC 1 is electrically connected with upper monitoring machine 9, the upper monitoring machine 9
Be electrically connected with the first printer 10, the main control PLC 1 and the second printer 11 are electrically connected, second printer 11 and
Third printer 12 is electrically connected.
Specifically, the main control PLC 1 is connect with end-equipment, the end-equipment includes touch screen 13, AI sensor
14, AD/ air blower adjusts unit 15, DI/ equipment running status unit 16, DO/ equipment start-stop unit 17 and ups power 18；Institute
It states main control PLC 1 and adjusts unit 15, DI/ equipment running status unit with touch screen 13, AI sensor 14, AD/ air blower respectively
16, DO/ equipment start-stop unit 17 and ups power 18 are electrically connected, and the ups power 18 is electrically connected with upper monitoring machine 9.
Specifically, self-locking and locked loop；After unclamping starting button, self-locking circuit can be with coil circuit by connecing
The moving together contact of tentaculum is connected, and so as to route into being powered, can thus electrical equipment be made discontinuously to work.
Locked loop is used usually in two or more electric devices, in order to make the safe and reliable operation of equipment be protected or
Person makes technique require to be met with energy saving requirement, as long as generally one or part motor of starting.At this time just need
It to be connected respectively using the break contact of two contactors with other coil circuits.
Specifically, Brake stop circuit: the power supply of motor circuit can be cut off by Brake stop circuit, simultaneously
Some brake measures can also be started, motor can be made to realize quickly parking.When practical application, main mode of braking has again
Hair tonic electric braking falls to draw reversing braking, Power Source Reversal and dynamic braking.
Specifically, automatically and manual loop: in environment-friendly engineering some electrical equipments often have more quantity with
And farther away arrangement distance, so the effect to realize energy efficiency, must just be configured for automatic control link.For
It can be realized more conveniently and flexibly during handling emergency episode, debugging and installation, it will usually will control manually
Device processed is mounted in control route, converts manual mode and automated manner followed by change-over switch etc..
Specifically, being equipped with acoustic device and signal lamp in the signal circuit 5；In practical applications, signal circuit:
The acoustic device (such as buzzer, loudspeaker etc.) and the signal lamp of different colours for having the different sounds are installed in signal circuit
In the middle, so as to whether route and equipment are timely shown operating normally.
Specifically, being equipped with power supply in the protective loop 6, in practical applications, have in protective loop very much
Kind of power supply, wherein there is direct current 24V, alternating current 220V, exchange 36V, exchange 24V, protective loop can be using stabipacks, whole
Some protections such as stream, coil without tension, shunt opening coil, closing coil, electrothermal relay, contactor, fuse and miniature circuit breaker
Device jointly forms corresponding circuit, each so as to carry out decompression, overload and short circuit etc. to route and electrical equipment
Kind protection.
Specifically, main control PLC: main control PLC is connected directly with end-equipment, local control system is formed, in reality
In the application of border, generally there is the structure of two PLC of principal and subordinate, one main one is standby.With the structure of this hardware redundancy, it is ensured that PLC exists
When failure, the treatment process of whole system is not influenced.The reality of main control PLC completion end-o f-pipe -control low-level devices scene number
When acquisition and substation control, condition discrimination, local alarm and control etc..
Specifically, the upper monitoring machine 9 uses HMI, HMI is man-machine interface, is configuration later in Industry Control meter
The monitored picture of real-time display on calculation machine is developed using configuration software.In man-machine interface, it can complete to whole
A environment-friendly engineering monitoring system user authority management, system setting, tupe management, the alarm of failure, event record and
Real-time display can also complete the statistical function of report.
In addition, the communication of host computer and slave computer: the system is realized using two methods of serial communication and I/O card
, host communication uses RS232 interface, the I/O card that terminal uses.
In conclusion should the environment-friendly engineering monitoring system based on PLC system, there is energy efficiency, reliable, safety and fast
The feature of speed, the management operating level of entire environmental protection industry (epi) are had been significantly improved with automatization level, and help enterprise
A large amount of maintenance, operation, management and human cost have been saved.Meanwhile the active computer technological system communication technology
And electron electric power technology development be getting faster, the development of electric control system will necessarily be played and effectively promote work
With.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore under without departing substantially from universal defined by claim and equivalency range, the present invention is not
It is limited to specific details and legend shown and described herein.
Claims (5)
1. a kind of environment-friendly engineering monitoring system based on PLC system, it is characterised in that: including main control PLC (1), self-locking and locking
Circuit (2), Brake stop circuit (3), automatically with manual loop (4), signal circuit (5), protective loop (6), PH thermometer
(7), DO instrument (8), upper monitoring machine (9), the first printer (10), the second printer (11) and third printer (12)；It is described
Main control PLC (1) respectively with self-locking and locked loop (2), Brake stop circuit (3), automatically with manual loop (4), signal circuit
(5), protective loop (6), PH thermometer (7) and DO instrument (8) are electrically connected；The main control PLC (1) and upper monitoring machine (9) electricity
Property connection, the upper monitoring machine (9) and the first printer (10) are electrically connected, the main control PLC (1) and the second printer
(11) it is electrically connected, second printer (11) and third printer (12) are electrically connected.
2. a kind of environment-friendly engineering monitoring system based on PLC system according to claim 1, it is characterised in that: the master
Control PLC (1) is connect with end-equipment, and the end-equipment includes touch screen (13), AI sensor (14), the adjusting of AD/ air blower
Unit (15), DI/ equipment running status unit (16), DO/ equipment start-stop unit (17) and ups power (18)；The main control PLC
(1) unit (15), DI/ equipment running status unit are adjusted with touch screen (13), AI sensor (14), AD/ air blower respectively
(16), DO/ equipment start-stop unit (17) and ups power (18) are electrically connected, the ups power (18) and upper monitoring machine (9)
It is electrically connected.
3. a kind of environment-friendly engineering monitoring system based on PLC system according to claim 1, it is characterised in that: the letter
Acoustic device and signal lamp are equipped in number circuit (5).
4. a kind of environment-friendly engineering monitoring system based on PLC system according to claim 1, it is characterised in that: the guarantor
It protects and is equipped with power supply in circuit (6), the power supply includes direct current 24V, exchange 22V, exchange 36V and exchanges 24V.
5. a kind of environment-friendly engineering monitoring system based on PLC system according to claim 1, it is characterised in that: on described
Position monitoring equipment (9) uses HMI.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811523207.1A CN109507948A (en) | 2018-12-13 | 2018-12-13 | A kind of environment-friendly engineering monitoring system based on PLC system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811523207.1A CN109507948A (en) | 2018-12-13 | 2018-12-13 | A kind of environment-friendly engineering monitoring system based on PLC system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109507948A true CN109507948A (en) | 2019-03-22 |
Family
ID=65753396
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811523207.1A Pending CN109507948A (en) | 2018-12-13 | 2018-12-13 | A kind of environment-friendly engineering monitoring system based on PLC system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102541034A (en) * | 2012-02-14 | 2012-07-04 | 中国华电工程(集团)有限公司 | Biogas power generation control system |
| CN103157354A (en) * | 2011-12-08 | 2013-06-19 | 江苏东嘉能源科技有限公司 | Modularized control system for large desulfurization equipment |
| CN205301960U (en) * | 2016-01-14 | 2016-06-08 | 北华大学 | Colliery sewage centralized monitoring system based on GPRS |
| CN205382948U (en) * | 2016-03-01 | 2016-07-13 | 张万军 | Coal mine safety air door winch monitored control system of PLC control |
| CN205485555U (en) * | 2016-03-23 | 2016-08-17 | 沈阳蓝天公用节能环保设备有限公司 | Desulfurization control system |
| CN107272557A (en) * | 2017-07-05 | 2017-10-20 | 安徽潜润环保科技有限公司 | Sewage disposal monitoring system |
-
2018
- 2018-12-13 CN CN201811523207.1A patent/CN109507948A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103157354A (en) * | 2011-12-08 | 2013-06-19 | 江苏东嘉能源科技有限公司 | Modularized control system for large desulfurization equipment |
| CN102541034A (en) * | 2012-02-14 | 2012-07-04 | 中国华电工程(集团)有限公司 | Biogas power generation control system |
| CN205301960U (en) * | 2016-01-14 | 2016-06-08 | 北华大学 | Colliery sewage centralized monitoring system based on GPRS |
| CN205382948U (en) * | 2016-03-01 | 2016-07-13 | 张万军 | Coal mine safety air door winch monitored control system of PLC control |
| CN205485555U (en) * | 2016-03-23 | 2016-08-17 | 沈阳蓝天公用节能环保设备有限公司 | Desulfurization control system |
| CN107272557A (en) * | 2017-07-05 | 2017-10-20 | 安徽潜润环保科技有限公司 | Sewage disposal monitoring system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190322 |
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| RJ01 | Rejection of invention patent application after publication |