CN107190813A - It is a kind of to realize the control system of two sets of variable frequency water supply pump alternate runs - Google Patents
It is a kind of to realize the control system of two sets of variable frequency water supply pump alternate runs Download PDFInfo
- Publication number
- CN107190813A CN107190813A CN201710543442.4A CN201710543442A CN107190813A CN 107190813 A CN107190813 A CN 107190813A CN 201710543442 A CN201710543442 A CN 201710543442A CN 107190813 A CN107190813 A CN 107190813A
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- China
- Prior art keywords
- water supply
- frequency
- sets
- plc
- control system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B5/00—Use of pumping plants or installations; Layouts thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
Abstract
The control system of two sets of variable frequency water supply pump alternate runs, including logic control element and two sets of frequency-conversion water supply systems can be realized the invention discloses a kind of；The logic control element is made up of touch-screen, PLC and expanded mode analog quantity module, pressure transmitter and Switching Power Supply；The frequency-conversion water supply system includes air switch, relay, contactor, frequency converter and pump, present invention offer is a kind of can to realize the control system of two sets of variable frequency water supply pump alternate runs, the present invention uses the programmable logical process functions of PLC, and the switching value of peripheral circuit, realize the automatic alternate run of two sets of frequency-conversion water supply systems, two sets of frequency-conversion water supply systems can only run a set of in the same time, it is impossible to run simultaneously, when the system of operation breaks down, another set of system is automatically switched to, and shows fault alarm on the touchscreen.
Description
Technical field
It is specifically a kind of to realize two sets of variable frequency water supply pump alternate runs the present invention relates to water supply control technology field
Control system.
Background technology
The stabilization of frequency-conversion water supply system operation is the important leverage of industrial or agricultural water and resident living water, with China two
The development in secondary pressurized water supply field, with the increasingly popularization of the theory such as low-carbon, intellectuality, simple to operate, to water supply field
The requirement of control system also more and more higher.
At present, the control system in water supply field is mainly made up of frequency converter and pressure transmitter, the signal of pressure transmitter
Frequency converter is fed directly to, the rotating speed of pump is adjusted by the setting to converter parameter, makes the pressure of pipeline steady in this way
It is scheduled within the scope of one.This system architecture is single, can substantially make pipeline pressure stable in certain scope, user to
Change the pressure of pipeline, it is necessary to which professional operates.
Existing frequency-conversion water supply system is mainly made up of pressure transmitter and frequency converter, and such system, function is single, application
Narrow range, debugs complexity；The parameter for setting pressure to need professional to change frequency converter, if to adjust in use
Save pressure of supply water very inconvenient；When system breaks down to system progress maintenance, repair, it is necessary to stop supplying water, to user
Bring inconvenience.
The content of the invention
The purpose of the present invention is to set up a kind of simple to operate, it is possible to achieve the control system of two sets of variable frequency water supply pump alternate runs
System, control system can efficiently, energy-conservation, stably operation, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical scheme：
It is a kind of to realize that the control system of two sets of variable frequency water supply pump alternate runs, including logic control element and two sets of frequency conversions are supplied
Water system；The logic control element is made up of touch-screen, PLC and expanded mode analog quantity module, pressure transmitter and Switching Power Supply；
The frequency-conversion water supply system includes air switch, relay, contactor, frequency converter and pump；PLC controls two sets of frequency-conversion water supply systems
Automatic alternate run, and for frequency convertor PID set port data write-in and the place to pressure transmitter feedback signal
Reason.
It is used as further scheme of the invention：The PLC selects EMAM06 using S7-200smart series, expansion module,
Frequency converter is from Siemens V20 series, and touch-screen selects smart1000IEV3, and pressure transmitter is that 4-20ma is defeated from type
Go out.
It is used as further scheme of the invention：System pressure is set by touch-screen realizing, touch-screen write-in number
According to rear, the conversion from data signal to voltage signal is realized by PLC and analog quantity spread module, and pass through analog module
Output port is exported, the PID settings port connection of analog module output port and frequency converter, is realized in this way to becoming
Frequency device PID sets the write-in of port data.
It is used as further scheme of the invention：The pressure transmitter collection line pressure signal simultaneously feeds back to signal
PLC expanded mode analog quantity module EMAM06.
It is used as further scheme of the invention：The circuit pressure feedback signal includes two paths of signals, wherein believing all the way
Number by analog module EMAM06 output port, the actual value port of frequency convertor PID is transmitted to；Another road signal is in PLC
After handling data, for the logic control of system, the operation or stopping of major control frequency converter.
It is used as further scheme of the invention：The touch-screen sets five button switches, and " automatic/hand " is switched,
" frequency converter VF1 " switches are opened, " pump M1 " switches is opened, " opens frequency converter VF2 " switches, " open pump M2 " switches.
It is used as further scheme of the invention：The logic control element sets manually and automatically two kinds of mode of operations,
The switching of manual/auto pattern is carried out by touch-screen " automatic/hand " button switch.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention, which provides one kind, can realize two sets of variable frequency water supplies
The control system of pump alternate run, the switching value of the invention with the programmable logical process functions of PLC, and peripheral circuit,
Realize the automatic alternate run of two sets of frequency-conversion water supply systems, two sets of frequency-conversion water supply systems can only be run in the same time it is a set of, no
It can simultaneously run, when the system of operation breaks down, automatically switch to another set of system, and show failure report on the touchscreen
It is alert；The alt time of two sets of frequency-conversion water supply systems is set by touch-screen, and the present invention is in original pressure transmitter and frequency converter
On the basis of increase PLC module and touch-screen, two sets water systems are set, system fully automatic operation, two sets water systems regularly oneself
It is dynamic to exchange, it is not required to special messenger and keeps an eye on, automatically switches to another set of system when meeting failure, and provide alarm.Pressure of supply water can pass through
Touch-screen is set, and facilitates user to change pressure at any time；Using two sets of water systems of the using and the reserved, system is being safeguarded, tieed up
Another set of system can be run when repairing, system is safeguarded in the case where not influenceing user just commonly using water, repaired；With tactile
The combination control form of screen, PLC, frequency converter is touched, system is more efficient, saved, the operation of system is more stablized, and integrates this
Outstanding advantages of the invention with the following aspects：1. the present invention realizes that the Full automatic timing of two sets of frequency-conversion water supply systems is alternately transported
OK, failure alternate run；2. the present invention is realized sets pressure of supply water by touch-screen；3. the present invention is realized and shown by touch-screen
Running status to system is monitored；4. the present invention provides fault alarm.
Brief description of the drawings
Fig. 1 is the operation principle block diagram for the control system that can realize two sets of variable frequency water supply pump alternate runs.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Referring to Fig. 1, a kind of can realize the control system of two sets of variable frequency water supply pump alternate runs, including logic control list
Member and two sets of frequency-conversion water supply systems；The logic control element is by touch-screen, PLC and expanded mode analog quantity module, pressure transmitter
With Switching Power Supply composition；The frequency-conversion water supply system includes air switch, relay, contactor, frequency converter and pump；
The PLC is using S7-200smart series, and expansion module selects EMAM06, and frequency converter is touched from Siemens V20 series
Touch screen and select smart1000IEV3, pressure transmitter is exported from type for 4-20ma.The system focuses on two sets of frequency conversions
The automatic alternate run of water system, the write-in of port data is set to frequency convertor PID and to pressure transmitter feedback signal
Processing.
System pressure is set by touch-screen to realize, after touch-screen write-in data, passes through PLC and analog quantity spread mould
Block realizes the conversion from data signal to voltage signal, and is exported by the output port of analog module, and analog module is defeated
The PID settings port connection of exit port and frequency converter, realizes and frequency convertor PID setting port data is write in this way
Enter.
Pressure transmitter gathers line pressure signal and signal is fed back to PLC expanded mode analog quantity module EMAM06, its
In all the way by analog module EMAM06 output port, be transmitted to the actual value port of frequency convertor PID；Another road is in PLC
After handling data, for the logic control of system, the operation or stopping of major control frequency converter.
Switching Power Supply is powered for logic control element, and air switch QF1 is that frequency-conversion water supply system 1 is powered, air switch QF2
Powered for frequency-conversion water supply system 2；Connected between touch-screen and PLC and expanded mode analog quantity module by RS485 connections, pressure becomes
Device is sent to connect the input of PLC analog quantity spread modules, the output end connection frequency converter VF1 of PLC analog quantity spread modules and change
Frequency device VF2 control terminal, PLC output end and relay KA1, relay KA2, relay KA3, relay KA4 coil
Connection；Relay KA1 built-up circuit is connected to contactor KM1 coil, and relay KA2 built-up circuit is connected to contactor
KM2 coil, relay KA3 built-up circuit is connected to contactor KM3 coil, and relay KA4 built-up circuit is connected to
Contactor KM4 coil；Air switch QF1 output is connected to contactor KM1 input, and contactor KM1 output is connected to frequency conversion
Device VF1 input, frequency converter VF1 output is connected to contactor KM2 input, and contactor KM2 output is connected to pump M1；Air is opened
The output for closing QF2 is connected to contactor KM3 input, and contactor KM3 output is connected to frequency converter VF2 input, frequency converter VF2's
Output is connected to contactor KM4 input, and contactor KM4 output is connected to pump M2.
Touch-screen sets five button switches, and " automatic/hand " switch " opens frequency converter VF1 " switches, " opens pump M1 "
Switch, " opens frequency converter VF2 " switches, " opens pump M2 " switches.
The present invention sets manually and automatically two kinds of mode of operations, and hand is carried out by touch-screen " automatic/hand " button switch
The switching of dynamic/automatic mode.The operation or stopping of two sets of frequency-conversion water supply system frequency converters are controlled by logic control element.
Under manual mode, to operation frequency-conversion water supply system 1, it is necessary to the pump M2 first closed in frequency-conversion water supply system 2 and change
Frequency device VF2, then presses and " opens pump M1 ", then press and " open frequency converter VF1 ", then system is according to the finger of logic control element
The normal operation of order；To operation frequency-conversion water supply system 2, it is necessary to first close frequency-conversion water supply system 1 in pump M1 and frequency converter VF1,
Then press " open pump M2 ", then press " open frequency converter VF2 ", then system normally transported according to the instruction of logic control element
OK；Interlock circuit is set under manual mode, it is ensured that two systems can not be run simultaneously.
Under automatic mode, system realizes full-automatic alternate run, and " automatic/hand " switch is switched into automatic mode, is
System would automatically turn on pump M1 and frequency converter VF1, when running between reach alt time setting value when, logic control element sends finger
Order stops frequency converter VF1 operation, is then shut off pump M1, turns off frequency converter VF1, starts pump M2 after three seconds, restarts frequency conversion
Device VF2, then system normally run according to the instruction of logic control element.Automatic mode down coversion water system 2 is supplied to frequency conversion
Water system 1 is changed, and conversion when running into failure is ibid.
The present invention operation principle be：Present invention offer is a kind of can to realize the control of two sets of variable frequency water supply pump alternate runs
System, the present invention realizes two sets of variable frequency water supplies with the switching value of the programmable logical process functions of PLC, and peripheral circuit
The automatic alternate run of system, two sets of frequency-conversion water supply systems can only run a set of in the same time, it is impossible to run simultaneously, work as operation
System break down when, automatically switch to another set of system, and show fault alarm on the touchscreen；Two sets of variable frequency water supply systems
The alt time of system is set by touch-screen.
The better embodiment to this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
, can also be on the premise of this patent objective not be departed from formula, the knowledge that one skilled in the relevant art possesses
Make a variety of changes.
Claims (6)
1. a kind of can realize the control system of two sets of variable frequency water supply pump alternate runs, it is characterised in that including logic control list
Member and two sets of frequency-conversion water supply systems；The logic control element is by touch-screen, PLC and expanded mode analog quantity module, pressure transmitter
With Switching Power Supply composition；The frequency-conversion water supply system includes air switch, relay, contactor, frequency converter and pump, PLC controls
The automatic alternate run of two sets of frequency-conversion water supply systems, and for setting the write-in of port data to frequency convertor PID and pressure being become
Send the processing of device feedback signal.
2. according to claim 1 can realize the control system of two sets of variable frequency water supply pump alternate runs, it is characterised in that
The PLC is using S7-200smart series, and expansion module selects EMAM06, and frequency converter is from Siemens V20 series, touch-screen
From smart1000IEV3, pressure transmitter is exported from type for 4-20ma.
3. according to claim 1 can realize the control system of two sets of variable frequency water supply pump alternate runs, it is characterised in that
System pressure is set by touch-screen to realize, after touch-screen write-in data, by PLC and analog quantity spread module realize from
Data signal and is exported, analog module output port and frequency conversion to the conversion of voltage signal by the output port of analog quantity
The PID settings port connection of device, realizes the write-in that port data is set to frequency convertor PID in this way.
4. according to claim 1 can realize the control system of two sets of variable frequency water supply pump alternate runs, it is characterised in that
The pressure transmitter collection line pressure signal and the expanded mode analog quantity module EMAM06 that signal is fed back to PLC.
5. according to claim 4 can realize the control system of two sets of variable frequency water supply pump alternate runs, it is characterised in that
The circuit pressure feedback signal includes two paths of signals, wherein all the way signal by analog module EMAM06 output port,
It is transmitted to the actual value port of frequency convertor PID；Another road signal is after PLC is handled data, the logic control for system
System, the operation or stopping of major control frequency converter.
6. according to claim 1 can realize the control system of two sets of variable frequency water supply pump alternate runs, it is characterised in that
The logic control element sets manually and automatically two kinds of mode of operations, and touch-screen is provided with for manual/auto pattern switching
" automatic/hand " button switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710543442.4A CN107190813A (en) | 2017-07-05 | 2017-07-05 | It is a kind of to realize the control system of two sets of variable frequency water supply pump alternate runs |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710543442.4A CN107190813A (en) | 2017-07-05 | 2017-07-05 | It is a kind of to realize the control system of two sets of variable frequency water supply pump alternate runs |
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| Publication Number | Publication Date |
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| CN107190813A true CN107190813A (en) | 2017-09-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710543442.4A Pending CN107190813A (en) | 2017-07-05 | 2017-07-05 | It is a kind of to realize the control system of two sets of variable frequency water supply pump alternate runs |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751268A (en) * | 2018-03-22 | 2018-11-06 | 珠海格力电器股份有限公司 | Control method and device for integrating cold station sewerage disposing instrument |
| CN110725366A (en) * | 2019-10-08 | 2020-01-24 | 彩虹（合肥）液晶玻璃有限公司 | Multi-pump water supply control system, method and device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08159079A (en) * | 1994-12-05 | 1996-06-18 | Bridgestone Corp | Revolution control water supply system with pressure fluctuation restraining function |
| CN102465547A (en) * | 2010-11-09 | 2012-05-23 | 重庆成峰二次供水设备有限责任公司 | Control system of one-frequency one-pump constant pressure water supply equipment |
| CN103774717A (en) * | 2014-01-25 | 2014-05-07 | 富阳博进机械制造有限公司 | Electric controller for PLC (Programmable Logic Controller) unit of water supply system |
| CN203795531U (en) * | 2014-03-23 | 2014-08-27 | 孙庆高 | Variable-frequency constant-pressure water supply control system based on GPRS |
| CN203878671U (en) * | 2014-06-06 | 2014-10-15 | 丹东川宇电气智能控制系统有限公司 | PLC intelligent-control multi-frequency-converter pressure-adjustment water supply device |
| CN205475479U (en) * | 2016-01-27 | 2016-08-17 | 连云港清源科技有限公司 | Two drag three types intelligence variable frequency control cabinet and contain its constant pressure water supply system |
| CN106400895A (en) * | 2016-08-26 | 2017-02-15 | 上海亨公电线电缆有限公司 | Constant-pressure water supply system based on PLC and control method of constant-pressure water supply system |
-
2017
- 2017-07-05 CN CN201710543442.4A patent/CN107190813A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08159079A (en) * | 1994-12-05 | 1996-06-18 | Bridgestone Corp | Revolution control water supply system with pressure fluctuation restraining function |
| CN102465547A (en) * | 2010-11-09 | 2012-05-23 | 重庆成峰二次供水设备有限责任公司 | Control system of one-frequency one-pump constant pressure water supply equipment |
| CN103774717A (en) * | 2014-01-25 | 2014-05-07 | 富阳博进机械制造有限公司 | Electric controller for PLC (Programmable Logic Controller) unit of water supply system |
| CN203795531U (en) * | 2014-03-23 | 2014-08-27 | 孙庆高 | Variable-frequency constant-pressure water supply control system based on GPRS |
| CN203878671U (en) * | 2014-06-06 | 2014-10-15 | 丹东川宇电气智能控制系统有限公司 | PLC intelligent-control multi-frequency-converter pressure-adjustment water supply device |
| CN205475479U (en) * | 2016-01-27 | 2016-08-17 | 连云港清源科技有限公司 | Two drag three types intelligence variable frequency control cabinet and contain its constant pressure water supply system |
| CN106400895A (en) * | 2016-08-26 | 2017-02-15 | 上海亨公电线电缆有限公司 | Constant-pressure water supply system based on PLC and control method of constant-pressure water supply system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751268A (en) * | 2018-03-22 | 2018-11-06 | 珠海格力电器股份有限公司 | Control method and device for integrating cold station sewerage disposing instrument |
| CN108751268B (en) * | 2018-03-22 | 2023-11-14 | 珠海格力电器股份有限公司 | Control method and device for integrated cold station water treatment instrument |
| CN110725366A (en) * | 2019-10-08 | 2020-01-24 | 彩虹（合肥）液晶玻璃有限公司 | Multi-pump water supply control system, method and device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170922 |
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| RJ01 | Rejection of invention patent application after publication |