CN107587549A - A kind of water-supply systems based on PLC network terminal - Google Patents
A kind of water-supply systems based on PLC network terminal Download PDFInfo
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- CN107587549A CN107587549A CN201710770075.1A CN201710770075A CN107587549A CN 107587549 A CN107587549 A CN 107587549A CN 201710770075 A CN201710770075 A CN 201710770075A CN 107587549 A CN107587549 A CN 107587549A
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Abstract
The present invention provides a kind of water-supply systems based on PLC network terminal, and warning device and fluid level transmitter are electrically connected with the first PLC interface and the second PLC interface respectively, and the first PLC interface and the second PLC interface are electrically connected with the computer respectively；Computer is electrically connected with by the 3rd PLC interface and LED screen curtain wall；Computer is electrically connected with by the 4th PLC interface and frequency converter；Water pump is electrically connected with by the 5th PLC interface and computer；Cistern is by the 6th PLC interface with being electrically connected with respectively with the warning device and the fluid level transmitter.The present invention is connected by multiple PLC control systems with the electric elements in publicity system, rational management that can not only effectively in this control system, further, when some link breaks down in control system, pass through computer, it can be checked in the very first time, so as to be fixed a breakdown within the very first time, ensure water system normal operation.
Description
Technical field
The invention mainly relates to water-supply systems, and in particular to a kind of water-supply systems based on PLC network terminal.
Technical background
Water supply system is the part of urban public utilities.Water supply system planning is overall city planning
Part.Water supply system is generally made up of water source, transmission conduit, water factory and the distribution system of water supply.After water source water intaking, through defeated
Water pipe canal is sent into water factory and carries out water treatment, and user is delivered to by the distribution system of water supply after the pressurization of treated water.
In existing water-supply systems, whole system is only controlled by a PLC system, when the PLC system occurs
During failure, cause total system to collapse, cause each link work can not normal operation, meanwhile, when some ring in system
When section breaks down, it can not find in time, meanwhile, when total system breaks down, event can not be checked within the very first time
Hinder source.
Further, whole water system is controlled by a PLC system, easily causes the confusion of each link, cause to control
The phenomenon that the scheduling of system processed causes confusion.
The content of the invention
The invention provides a kind of water-supply systems based on PLC network terminal, are mainly used in solving the above-mentioned technology back of the body
Itd is proposed in scape, in existing water-supply systems, whole water system is controlled by a PLC system so that system goes out again
During existing problem, it can not be fixed a breakdown within the very first time, meanwhile, easily cause the chaotic technical problem of scheduling.
The present invention solve the technical scheme that uses of above-mentioned technical problem for：A kind of urban water supply based on PLC network terminal
System, including warning device, fluid level transmitter, computer, LED screen curtain wall, frequency converter, threephase motor, water pump, cistern and
User；
The warning device and the fluid level transmitter are electrically connected with the first PLC interface and the second PLC interface respectively, and described the
One PLC interface and second PLC interface are electrically connected with the computer respectively；
The computer is electrically connected with by the 3rd PLC interface and the LED screen curtain wall；
The computer is electrically connected with by the 4th PLC interface and the frequency converter；
The water pump is electrically connected with by the 5th PLC interface and the computer；
The cistern is by the 6th PLC interface with being electrically connected with respectively with the warning device and the fluid level transmitter.
Preferably, the water level in the cistern can be measured by the warning device, and is connect by the first PLC
Mouth sends detection information to the computer, and the computer will can be received on information transmission fluid level transmitter, the liquid
Position transmitter can control SEA LEVEL VARIATION in cistern, meanwhile, by the second PLC interface by SEA LEVEL VARIATION information transmission to computer
In.
Preferably, after the computer receives the signal of the warning device and the fluid level transmitter, figure can be carried out
Shadow is changed, and is shown by the 3rd PLC interface on the LED screen curtain wall.
Preferably, the user can be sent on computer with water signal by the 5th PLC interface, the computer meeting
The electric signal received is analyzed, analysis result is being sent on frequency converter by the 4th PLC interface, the frequency converter
The electric signal of reception can be sent on threephase motor, three-phase electric chance urges water pump, extracts the water in cistern, conveying
Into user family.
Preferably, the 4th PLC interface can monitor the water pump at the moment.
Preferably, the liquid that the warning device can be monitored in cistern by the 7th PLC interface moment changes, the liquid
Position transmitter can control the liquid level in cistern to change by the 6th PLC interface.
Compared with prior art, beneficial effects of the present invention are：The present invention passes through multiple PLC control systems and publicity system
In electric elements connection, rational management that can not only effectively in this control system, further, when certain in control system
When one link breaks down, by computer, it can be checked in the very first time, so as to exclude event within the very first time
Barrier, ensure water system normal operation.
Detailed explanation is carried out to the present invention below with reference to accompanying drawing and specific embodiment.
Brief description of the drawings
Fig. 1 is existing water system structural representation；
Fig. 2 is the water system structural representation of the present invention.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings, accompanying drawing
In give the present invention some embodiments, but the present invention can be realized by different forms, however it is not limited to text institute
The embodiment of description, opposite, there is provided these embodiments are in order that to present disclosure more thorough and comprehensive.
It should be noted that when element is referred to as " being fixedly arranged on " another element, it can be directly on another element
There may also be element placed in the middle, and when an element is considered as " connection " another element, it can be directly to separately
One element may be simultaneously present centering elements, term as used herein " vertically ", " horizontal ", "left", "right"
And similar statement is for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff generally connects is identical, herein in the description of the invention used term knowledge in order to describe to have
The purpose of the embodiment of body, it is not intended that it is of the invention in limitation, term as used herein " and/or " include one or more phases
The arbitrary and all combination of the Listed Items of pass.
Embodiment, accompanying drawing 1 is refer to, be the water system structure of existing structure, water storage can detect by warning device
Liquid level change in pond, and will detect that liquid level change is sent in PLC, after the alarm signal that PLC analyses receive, utilize
Fluid level transmitter realizes the liquid level change in cistern；Meanwhile after user sends and instructed with water, it will be believed by high pressure transmitter
Number it is sent in PLC, after PLC receives instruction, controls frequency converter and motor, urge water pump, beat the water taken in cistern, and
It is pipelined to at home.
Please be emphatically referring to the drawings 2, for the water system structure of the present invention, a kind of urban water supply based on PLC network terminal
System, including warning device, fluid level transmitter, computer, LED screen curtain wall, frequency converter, threephase motor, water pump, cistern and
User；
The warning device and the fluid level transmitter are electrically connected with the first PLC interface and the second PLC interface respectively, and described the
One PLC interface and second PLC interface are electrically connected with the computer respectively；
The computer is electrically connected with by the 3rd PLC interface and the LED screen curtain wall；
The computer is electrically connected with by the 4th PLC interface and the frequency converter；
The water pump is electrically connected with by the 5th PLC interface and the computer；
The cistern is by the 6th PLC interface with electrically connecting with the warning device and the fluid level transmitter respectively
Connect.
In the present embodiment, the present invention is connected by multiple PLC control systems with the electric elements in publicity system, not only
Rational management in this effective control system of energy, further, when some link breaks down in control system, lead to
Computer is crossed, can be checked in the very first time, so as to be fixed a breakdown within the very first time, ensures that water system is normally transported
OK.
The water level in the cistern can be measured by the warning device, and will be examined by the first PLC interface
Measurement information sends the computer to, and the computer will can be received on information transmission fluid level transmitter, the level transmitting
Device can control SEA LEVEL VARIATION in cistern, meanwhile, by the second PLC interface by SEA LEVEL VARIATION information transmission into computer.
Acted on, the signal in cistern can be transferred on computer by the first PLC interface and the first PLC interface, and
And unified allocation of resources is carried out by computer, so as to ensure the rational management of water storage pool inner water.
After the computer receives the signal of the warning device and the fluid level transmitter, figure shadow conversion can be carried out,
Shown by the 3rd PLC interface on the LED screen curtain wall.
By the effect of LED screen curtain wall, the situation in cistern can be shown the moment, it is ensured that cistern supplies water normal.
The user's can be sent on computer with water signal by the 5th PLC interface, and the computer can be to receiving
To electric signal analyzed, analysis result is being sent on frequency converter by the 4th PLC interface, the frequency converter will can connect
The electric signal of receipts is sent on threephase motor, and three-phase electric chance urges water pump, is extracted the water in cistern, is transported to user
In family.
4th PLC interface can monitor the water pump at the moment.
The liquid that the warning device can be monitored in cistern by the 7th PLC interface moment changes, the level transmitting
Device can control the liquid level in cistern to change by the 6th PLC interface.
The specific embodiment 1 of the present invention, when user needs to use water, tap is opened, the 5th PLC interface will can receive
Signal be sent on computer, after computer receives signal, can pass the signal in the 4th PLC interface, the 4th PLC connects
Order can be sent on frequency converter by mouth, and frequency converter is opened by threephase motor, control water pump, can by the effect of water pump
Water in cistern is sent in user family.
When water pump is started working, meeting effect of the moment by the 5th PLC interface, the working condition of water pump is transmitted
Onto computer, after computer receives water pump signal, can be shown by the effect of the 3rd PLC interface on LED screen curtain wall
Show.
The specific embodiment 2 of the present invention, when to cistern tank water, when liquid level reaches the warning line of cistern, alarm
Device can send signal, and be sent to by the first PLC interface in computer, and computer can will receive signal by second
PLC interface is sent on fluid level transmitter, and the change of liquid height in cistern is controlled by fluid level transmitter.
In summary, the present invention is connected by multiple PLC control systems with the electric elements in publicity system, can not only be had
Rational management in this control system of effect, further, when some link breaks down in control system, pass through meter
It calculation machine, can be checked in the very first time, so as to be fixed a breakdown within the very first time, ensure water system normal operation.
Embodiment described above only expresses certain embodiment of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (6)
1. a kind of water-supply systems based on PLC network terminal, it is characterised in that including warning device, fluid level transmitter, meter
Calculation machine, LED screen curtain wall, frequency converter, threephase motor, water pump, cistern and user；
The warning device and the fluid level transmitter are electrically connected with the first PLC interface and the second PLC interface respectively, and described the
One PLC interface and second PLC interface are electrically connected with the computer respectively；
The computer is electrically connected with by the 3rd PLC interface and the LED screen curtain wall；
The computer is electrically connected with by the 4th PLC interface and the frequency converter；
The water pump is electrically connected with by the 5th PLC interface and the computer；
The cistern is by the 6th PLC interface with electrically connecting with the warning device and the fluid level transmitter respectively
Connect.
2. a kind of water-supply systems based on PLC network terminal according to claim 1, it is characterised in that pass through institute
Stating warning device can measure to the water level in the cistern, and send detection information to institute by the first PLC interface
Computer is stated, the computer will can be received on information transmission fluid level transmitter, and the fluid level transmitter can control cistern
Interior SEA LEVEL VARIATION, meanwhile, by the second PLC interface by SEA LEVEL VARIATION information transmission into computer.
A kind of 3. water-supply systems based on PLC network terminal according to claim 2, it is characterised in that the meter
After calculation machine receives the signal of the warning device and the fluid level transmitter, figure shadow conversion can be carried out, passes through the 3rd PLC interface
Shown on the LED screen curtain wall.
A kind of 4. water-supply systems based on PLC network terminal according to claim 1, it is characterised in that the use
Family can be sent on computer with water signal by the 5th PLC interface, and the computer can be carried out to the electric signal received
Analysis, analysis result is being sent on frequency converter by the 4th PLC interface, and the frequency converter can transmit the electric signal of reception
Onto threephase motor, three-phase electric chance urges water pump, extracts the water in cistern, is transported in user family.
5. a kind of water-supply systems based on PLC network terminal according to claim 4, it is characterised in that described
Four PLC interfaces can monitor the water pump at the moment.
A kind of 6. water-supply systems based on PLC network terminal according to claim 2, it is characterised in that the report
The liquid that alarm device can be monitored in cistern by the 7th PLC interface moment changes, and the fluid level transmitter can pass through the 6th PLC
Liquid level change in Interface Controller cistern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710770075.1A CN107587549A (en) | 2017-08-26 | 2017-08-26 | A kind of water-supply systems based on PLC network terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710770075.1A CN107587549A (en) | 2017-08-26 | 2017-08-26 | A kind of water-supply systems based on PLC network terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107587549A true CN107587549A (en) | 2018-01-16 |
Family
ID=61050738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710770075.1A Pending CN107587549A (en) | 2017-08-26 | 2017-08-26 | A kind of water-supply systems based on PLC network terminal |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003336296A (en) * | 2003-04-28 | 2003-11-28 | Ebara Corp | Water supply system of its operation controller |
| CN102116043A (en) * | 2009-12-31 | 2011-07-06 | 上海东方泵业(集团)有限公司 | Frequency conversion constant-pressure water supply system and control method thereof |
| CN203191839U (en) * | 2013-05-03 | 2013-09-11 | 北京嘉源易润工程技术股份有限公司 | Centralized water supply remote monitoring device for high-level reservoir |
| CN203361244U (en) * | 2013-06-21 | 2013-12-25 | 重庆赛塔科技发展有限公司 | Real-time control and back-up converting device of water supply device |
-
2017
- 2017-08-26 CN CN201710770075.1A patent/CN107587549A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003336296A (en) * | 2003-04-28 | 2003-11-28 | Ebara Corp | Water supply system of its operation controller |
| CN102116043A (en) * | 2009-12-31 | 2011-07-06 | 上海东方泵业(集团)有限公司 | Frequency conversion constant-pressure water supply system and control method thereof |
| CN203191839U (en) * | 2013-05-03 | 2013-09-11 | 北京嘉源易润工程技术股份有限公司 | Centralized water supply remote monitoring device for high-level reservoir |
| CN203361244U (en) * | 2013-06-21 | 2013-12-25 | 重庆赛塔科技发展有限公司 | Real-time control and back-up converting device of water supply device |
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Application publication date: 20180116 |
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