CN205485526U - Two PLC redundant control of district pump station and information collection system - Google Patents
Two PLC redundant control of district pump station and information collection system Download PDFInfo
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- CN205485526U CN205485526U CN201620113658.8U CN201620113658U CN205485526U CN 205485526 U CN205485526 U CN 205485526U CN 201620113658 U CN201620113658 U CN 201620113658U CN 205485526 U CN205485526 U CN 205485526U
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Abstract
The utility model relates to a two PLC redundant control of district pump station and information collection system, including GPRS data teletransmission device, status display touch -sensitive screen, the two PLC control system of activestandby, signal acquisition system, electrical drive control circuit, the activestandby two PLC control system include master control PLC and control PLC fully, master control PLC and control PLC fully and connect in parallel, GPRS data teletransmission device, status display touch -sensitive screen, signal acquisition system, electrical drive control circuit all are connected with the two PLC control system electricity of activestandby. The utility model provides a pump station electric information -based automatic control dedicated system in secondary water supply district simplifies the integration with the automatic and information -based required capital equipment of secondary water supply district pump station to increase reserve PLC, when master control PLC breaks down, through the manual switching switch, switch to reserve PLC, make the accessible automatic operation of control system. It is uninterrupted to reach district water supply, and convenient quick solution is the problem after sale.
Description
Technical field
This utility model relates to a kind of control and information acquisition system, it is specifically related to a kind of secondary water-supply community pumping plant electric information automatic control dedicated system, carry out simplifying integrated by the capital equipment needed for secondary water-supply community pumping station automatization and informationization, and increase standby PLC, when main control PLC breaks down, manually permutator, switches to standby PLC so that the double PLC Redundant Control of the community pumping plant of the accessible automatic operation of control system and information acquisition system.
Background technology
The secondary water-supply small pumping station quantity of the most domestic small and medium-sized pumping station especially community is more, distributed more widely, many areas use the automatization achieving medium and small pumping plant and the informationization that the design of large pumping station disregards cost, secondary water-supply community pumping plant majority uses the pattern that electrical control cabinet and PLC control cabinet combine, control system is all single control mode, there is no standby automatic control system, when switch board breaks down, electrically driven loop components and parts can nearby hard ware store be bought, but PLC and control program as control centre are cannot be quick-replaceable, this can cause community user to cut off the water supply, user is brought inconvenience.
Utility model content
For the problems referred to above, main purpose of the present utility model is to provide a kind of secondary water-supply community pumping plant electric information automatic control dedicated system, carry out simplifying integrated by the capital equipment needed for secondary water-supply community pumping station automatization and informationization, and increase standby PLC, when main control PLC breaks down, manually permutator, switches to standby PLC so that the double PLC Redundant Control of the community pumping plant of the accessible automatic operation of control system and information acquisition system.
This utility model solves above-mentioned technical problem by following technical proposals: the double PLC Redundant Control of a kind of community pumping plant and information acquisition system, the double PLC Redundant Control of described community pumping plant includes with information acquisition system: GPRS data remote transmission device, on-the-spot display touch screen, active and standby pair of PLC control system, signal acquiring system, electrically driven control loop.
Active and standby pair of PLC control system includes that main control PLC and standby control PLC, main control PLC and standby control PLC are in parallel；
GPRS data remote transmission device, on-the-spot display touch screen, signal acquiring system, electrically driven control loop all electrically connect with active and standby pair of PLC control system.
In specific embodiment of the utility model, signal acquiring system includes: pressure transducer, effusion meter, transmissometer, chlorine residue instrument and liquidometer；Described pressure transducer, effusion meter, transmissometer, chlorine residue instrument and liquidometer all electrically connect with active and standby pair of PLC control system.
In specific embodiment of the utility model, electrically driven control loop includes: chopper, display lamp, button, auxiliary reclay and converter；Described chopper, display lamp, button, auxiliary reclay and converter all electrically connect with active and standby pair of PLC control system.
In specific embodiment of the utility model, converter includes the first converter, the second converter and the 3rd converter；Driven by respective variable frequency pump respectively on first converter, the second converter and the 3rd converter.
Positive progressive effect of the present utility model is: the double PLC Redundant Control of the community pumping plant that this utility model provides has the following advantages with information acquisition system:
This utility model provides a kind of secondary water-supply community pumping plant electric information automatic control dedicated system, carry out simplifying integrated by the capital equipment needed for secondary water-supply community pumping station automatization and informationization, and increase standby PLC, when main control PLC breaks down, manually permutator, switch to standby PLC so that the accessible automatic operation of control system.Reach community water supply not interrupt, solve problem after sale easily and fast.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Detailed description of the invention
Provide this utility model preferred embodiment below in conjunction with the accompanying drawings, to describe the technical solution of the utility model in detail.
Fig. 1 is overall structure schematic diagram of the present utility model, as shown in Figure 1, the double PLC Redundant Control of the community pumping plant that this utility model provides and information acquisition system, including GPRS data remote transmission device 1, on-the-spot display touch screen 2, active and standby pair of PLC control system 3, signal acquiring system 4, electrically driven control loop 5；Active and standby pair of PLC control system 3 includes that main control PLC 301 and standby control PLC 302, main control PLC 301 and standby control PLC 302 are in parallel；GPRS data remote transmission device 1, on-the-spot display touch screen 2, signal acquiring system 4, electrically driven control loop 5 all electrically connect with active and standby pair of PLC control system 3.
Signal acquiring system 4 includes: pressure transducer 401, effusion meter 402, transmissometer 403, chlorine residue instrument 404 and liquidometer 405；Pressure transducer 401, effusion meter 402, transmissometer 403, chlorine residue instrument 404 and liquidometer 405 all electrically connect with active and standby pair of PLC control system 3.
Electrically driven control loop 5 includes: chopper 501, display lamp 502, button 503, auxiliary reclay 504 and converter 505；Chopper 501, display lamp 502, button 503, auxiliary reclay 504 and converter 505 all electrically connect with active and standby pair of PLC control system 3.
In concrete implementation process, converter 505 includes the first converter, the second converter and the 3rd converter；Driven by respective variable frequency pump respectively on first converter, the second converter and the 3rd converter.
The double PLC Redundant Control of community pumping plant and information acquisition system, by on-the-spot instrument and meter for automation, field data is transferred in PLC, have employed the automatic pressure-transforming without flow transducer (end constant voltage) control mode of advanced person, achieve automatic limiting frequency, pressure limiting operation function, according to inlet pressure automatic limiting frequency, avoid the excessive suction to city planting ductwork, also solve the overload of water pump variable parameter operation on a large scale, noise, problem of cavitation.Achieve the control way of automatic buffer transient process, can effectively prevent from adding, compression shock when subtracting pump.Use variable-frequency control technique so that equipment outlet transformation, user's terminal pressure is constant, has the comfortableness that preferably supplies water.Condition according to equipment outlet pressure change automatic decision plus-minus pump, it is ensured that equipment high efficiency runs.Utilize municipal administration pressure transducer, set intake pressure, when municipal administration pressure is low, can blood pressure lowering automatically, limit frequency, limit flow run, it is ensured that the most water demand of user is until municipal administration pressure is less than shutdown during not permissible value.When intake pressure is higher than when setting pressure, and water supply system resumes water supply automatically.Realize detection and the automatic switchover at two-way water source, it is achieved the real-time monitoring to high water tank.
PLC is connected with on-the-spot touch screen by Ethernet interface, on-the-spot flow, outlet pressure, high water tank, chlorine residue, turbidity is shown on the touchscreen, and records the running status of water pump.
GPRS module is connected with touch screen or PLC by RS485 serial ports, uploads download data, including on-the-spot flow, outlet pressure, high water tank, chlorine residue, turbidity and duty.
When main control PLC controller breaks down, field operator has only to rotate permutator, just can forward to control system, in standby PLC, reach the purpose of Redundant Control.Beck-up Control System and master control system are without any difference.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described.Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description, principle of the present utility model is simply described; on the premise of without departing from this utility model spirit and scope; this utility model also has various changes and modifications; in the range of these changes and improvements both fall within claimed this utility model, this utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (4)
1. the double PLC Redundant Control of community pumping plant and information acquisition system, it is characterised in that: described is little
Pumping plant double PLC Redundant Control in district's includes with information acquisition system: GPRS data remote transmission device, and on-the-spot display is touched
Touch screen, active and standby pair of PLC control system, signal acquiring system, electrically driven control loop；
Active and standby pair of PLC control system includes that main control PLC and standby control PLC, main control PLC and standby control PLC are in parallel；
GPRS data remote transmission device, on-the-spot display touch screen, signal acquiring system, electrically driven control loop
All electrically connect with active and standby pair of PLC control system.
The double PLC Redundant Control of community the most according to claim 1 pumping plant and information acquisition system, it is special
Levy and be: signal acquiring system includes: pressure transducer, effusion meter, transmissometer, chlorine residue instrument and liquidometer；
Described pressure transducer, effusion meter, transmissometer, chlorine residue instrument and liquidometer all with active and standby pair of PLC control system
Electrical connection.
The double PLC Redundant Control of community the most according to claim 1 and 2 pumping plant and information acquisition system,
It is characterized in that: electrically driven control loop includes: chopper, display lamp, button, auxiliary reclay and
Converter；Described chopper, display lamp, button, auxiliary reclay and converter are all controlled with active and standby couple of PLC
System processed electrically connects.
The double PLC Redundant Control of community the most according to claim 3 pumping plant and information acquisition system, it is special
Levy and be: converter includes the first converter, the second converter and the 3rd converter；First converter,
Driven by respective variable frequency pump respectively on two converters and the 3rd converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620113658.8U CN205485526U (en) | 2016-02-03 | 2016-02-03 | Two PLC redundant control of district pump station and information collection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620113658.8U CN205485526U (en) | 2016-02-03 | 2016-02-03 | Two PLC redundant control of district pump station and information collection system |
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| CN205485526U true CN205485526U (en) | 2016-08-17 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062551A (en) * | 2017-04-26 | 2017-08-18 | 冶金自动化研究设计院 | A kind of redundant measurement and the intellectual air-conditioning backwater full-automatic control system of control |
| CN109164728A (en) * | 2018-08-14 | 2019-01-08 | 江苏天纳节能科技股份有限公司 | A kind of technical grade control cabinet and its system security controls method |
| CN109240074A (en) * | 2018-08-02 | 2019-01-18 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of active and standby work switching method of actuator of double redundancy control mode |
| CN109272834A (en) * | 2017-07-18 | 2019-01-25 | 南京理工大学 | The high-frequency data display system of power supply conversion practice teaching table based on PLC |
| CN110806715A (en) * | 2019-11-20 | 2020-02-18 | 安徽舜禹水务股份有限公司 | Secondary water supply anti-interference dual-PLC redundancy control system |
| CN111030787A (en) * | 2019-12-26 | 2020-04-17 | 河南金源黄金矿业有限责任公司 | Remote linkage intelligent control signal transmission redundancy system |
| CN111522223A (en) * | 2020-05-13 | 2020-08-11 | 上海东方泵业(集团)有限公司 | Secondary water supply double-control system |
| CN114002945A (en) * | 2021-12-29 | 2022-02-01 | 潍坊力德电器有限公司 | Intelligent water supply control cabinet with multiple redundant control modules |
-
2016
- 2016-02-03 CN CN201620113658.8U patent/CN205485526U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062551A (en) * | 2017-04-26 | 2017-08-18 | 冶金自动化研究设计院 | A kind of redundant measurement and the intellectual air-conditioning backwater full-automatic control system of control |
| CN109272834A (en) * | 2017-07-18 | 2019-01-25 | 南京理工大学 | The high-frequency data display system of power supply conversion practice teaching table based on PLC |
| CN109240074A (en) * | 2018-08-02 | 2019-01-18 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of active and standby work switching method of actuator of double redundancy control mode |
| CN109240074B (en) * | 2018-08-02 | 2021-07-16 | 中国航空工业集团公司西安飞行自动控制研究所 | Method for switching main and standby work of actuator in dual-redundancy control mode |
| CN109164728A (en) * | 2018-08-14 | 2019-01-08 | 江苏天纳节能科技股份有限公司 | A kind of technical grade control cabinet and its system security controls method |
| CN110806715A (en) * | 2019-11-20 | 2020-02-18 | 安徽舜禹水务股份有限公司 | Secondary water supply anti-interference dual-PLC redundancy control system |
| CN111030787A (en) * | 2019-12-26 | 2020-04-17 | 河南金源黄金矿业有限责任公司 | Remote linkage intelligent control signal transmission redundancy system |
| CN111522223A (en) * | 2020-05-13 | 2020-08-11 | 上海东方泵业(集团)有限公司 | Secondary water supply double-control system |
| CN114002945A (en) * | 2021-12-29 | 2022-02-01 | 潍坊力德电器有限公司 | Intelligent water supply control cabinet with multiple redundant control modules |
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