CN102854899A - Water tower water level monitoring system - Google Patents
Water tower water level monitoring system Download PDFInfo
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- CN102854899A CN102854899A CN 201110178583 CN201110178583A CN102854899A CN 102854899 A CN102854899 A CN 102854899A CN 201110178583 CN201110178583 CN 201110178583 CN 201110178583 A CN201110178583 A CN 201110178583A CN 102854899 A CN102854899 A CN 102854899A
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Abstract
The invention discloses a water tower water level monitoring system. The water tower water level monitoring system comprises a water tower, a water pump and a water tank which are connected with one another in sequence, wherein a first liquid level sensor and a second liquid level sensor which are respectively used for monitoring the upper limit liquid level and the lower limit liquid level of the water tower are arranged in the water tower; a third liquid level sensor and a fourth liquid level sensor which are respectively used for monitoring the upper limit liquid level and the lower limit liquid level of the water tank are arranged in the water tank; and the four liquid level sensors are connected with a general monitoring system through a programmable controller. According to the water tower water level monitoring system, the programmable controller is adopted for main control, an automatic water level measuring device is arranged on the water tower to measure changes of the water level continuously around the clock by using the electrical conductivity of water, the measured water level changes are converted into corresponding electric signals, and a main control station uses configuration software of the general monitoring system to perform data processing on received signals to finish corresponding water level display, fault alarm information display, report output, and the display of real-time curves and historical curves, so that the water level is kept at an appropriate position.
Description
Technical field
The present invention relates to a kind of supervisory system, be specifically related to a kind of water tower level supervisory system.
Background technology
In the industrial and agricultural production process, often need to measure and control water level.Water level control is used also quite extensive in daily life, controls such as the water level in the situations such as water tower, underground water, power station.And water level detecting can have multiple implementation method, such as machinery control, logical circuit control, Electromechanical Control etc.
Programmable logic controller (PLC) (PLC) is the industry automatic control fexible unit take microprocessor as core, have simple in structure, circuit is directly perceived, cheap, easy operation, advantage for ease of maintenaince.This kind control system layout is fixed, by the time of predesignating, condition, sequential working.Fix, require fairly simple occasion very applicable for mode of operation, still have so far widely purposes.
In the prior art, the method for carrying out water level control with programmable logic controller (PLC) (PLC) is more numerous and diverse.
Summary of the invention
For overcoming deficiency of the prior art, the object of the present invention is to provide a kind of Level Control of Water Towers system.
In order to solve the problems of the technologies described above, realize above-mentioned purpose, the present invention has adopted following technical scheme:
A kind of water tower level supervisory system, comprise the water tower, water pump and the pond that in succession connect, be provided with the first liquid level sensor and the second liquid level sensor that are respectively applied to monitor water tower upper and lower bound liquid level in the water tower, be provided with the 3rd liquid level sensor and the 4th liquid level sensor for monitoring pond upper and lower bound liquid level in the pond, the first liquid level sensor, the second liquid level sensor, the 3rd liquid level sensor and the 4th liquid level sensor are connected with universal monitoring system by Programmable Logic Controller, and concrete monitoring step is:
When water level was lower than the pond bottom limit level, the 4th liquid level sensor S4 output signal was 1, the water intaking valve running, and the pond begins water inlet, and timer also carries out timing simultaneously;
Behind the 4s, if the output signal of switch S 4 still is 1, not water inlet is broken down in the expression water inlet pipe, produces and reports to the police; When water level reached upper limit liquid level position, pond, the 3rd liquid level sensor S3 output signal was 1, and water intaking valve quits work;
When water tower level was lower than the water tower bottom limit level, the second water tower liquid level sensor S2 output signal was on, and liquid level sensor S4 output signal is 0 o'clock, and pump operation draws water;
When water tower level was higher than water tower upper limit liquid level, namely the first liquid level sensor S1 output signal was 1 o'clock, and water pump quits work.
Preferably, described the first liquid level sensor, the second liquid level sensor, the 3rd liquid level sensor and the 4th liquid level sensor are connected on the input/output interface of Programmable Logic Controller.
The present invention has the following advantages: water tower level supervisory system of the present invention adopts Programmable Logic Controller to carry out main control, install one at water tower and automatically survey water level device, the variation that utilizes the electric conductivity of water to measure water level continuously round-the-clockly, the SEA LEVEL VARIATION that measures is converted to corresponding electric signal, master station is used the universal monitoring system configuration software and is carried out to the received signal the data processing, finish the demonstration of corresponding water level demonstration, fault alarm information demonstration, report output, real-time curve and history curve, water level is kept in position.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, below with preferred embodiment of the present invention and cooperate accompanying drawing to be described in detail as follows.The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the synoptic diagram of water tower level supervisory system of the present invention.
Fig. 2 is the Controlled by Programmable Controller process flow diagram of water tower level supervisory system of the present invention.
Number in the figure explanation: S1. the first liquid level sensor, S2. the second liquid level sensor, S3. the 3rd liquid level sensor, S4. the 4th liquid level sensor.
Embodiment
Below in conjunction with drawings and Examples technology implementation process of the present invention is described further.
Referring to shown in Figure 1, a kind of water tower level supervisory system, comprise the water tower, water pump and the pond that in succession connect, be provided with the first liquid level sensor S1 and the second liquid level sensor S2 that are respectively applied to monitor water tower upper and lower bound liquid level in the water tower, be provided with the 3rd liquid level sensor S3 and the 4th liquid level sensor S4 for monitoring pond upper and lower bound liquid level in the pond, the first liquid level sensor S1, the second liquid level sensor S2, the 3rd liquid level sensor S3 and the 4th liquid level sensor S4 are connected with universal monitoring system by Programmable Logic Controller, and concrete monitoring step is:
When water level was lower than the pond bottom limit level, the 4th liquid level sensor S4 output signal was 1, and namely the on off state at the 4th liquid level sensor S4 place is 0N, the water intaking valve running, and the pond begins water inlet, and timer also carries out timing simultaneously;
Behind the 4s, if the output signal of the 3rd liquid level sensor S4 still is 1, namely the on off state at the 3rd liquid level sensor S3 place is ON, and not water inlet is broken down in the expression water inlet pipe, produces and reports to the police; When water level reached upper limit liquid level position, pond, the 3rd liquid level sensor S3 output signal was 1, and namely the on off state at the 3rd liquid level sensor S3 place is ON, and water intaking valve quits work;
When water tower level was lower than the water tower bottom limit level, the second water tower liquid level sensor S2 output signal was 1, and namely the on off state at the 3rd liquid level sensor S3 place is ON, and liquid level sensor S4 output signal is 0, and when namely in the pond retaining being arranged, pump operation draws water;
When water tower level was higher than water tower upper limit liquid level, namely the first liquid level sensor S1 output signal was 1, and namely water tower level is higher than water tower upper limit liquid level, and water pump quits work.
Described the first liquid level sensor S1, the second liquid level sensor S2, the 3rd liquid level sensor S3 and the 4th liquid level sensor S4 are connected to the input/output interface of Programmable Logic Controller, the interface assignment table sees the following form 1: the input/output interface allocation table of table 1 water tower level supervisory system PLC
| Input signal | Input variable name | Output signal | Output variable name |
| X000 | Gauge tap | Y000 | Water intaking valve |
| X001 | Water tower upper limit liquid level sensor switch | Y001 | Water pump |
| X002 | Water tower bottom limit level sensing switch | Y002 | Alarm lamp |
| X003 | Pond upper limit liquid level sensor switch | ? | ? |
| X004 | Pond bottom limit level sensing switch | ? | ? |
Require and control analysis according to control, 5 switching values are set, switching value output contact number has 3, and input, output contact number have 8, select general middle-size and small-size controller to get final product.Accordingly, can make address assignment to input and output number.
The PLC control flow of water tower level supervisory system, as shown in Figure 2.
According to the control requirement, for realizing water level control, 2 timer: T0 are set---the 4s time-delay, regularly prevalue is 40; T2---the flicker of reporting to the police, regularly prevalue is 5.
The course of work: it all is empty establishing water tower, pond original state, when executive routine, when scanning the pond and be liquid level and being lower than the pond bottom limit level, water intaking valve is opened, beginning is intake in the pond, if water inlet surpasses 4 seconds, and pond liquid level does not surpass the pond bottom limit level, illustrative system breaks down, and system will automatic alarm.If pond liquid level is by the predetermined pond lower limit that surpasses after 4 seconds, illustrative system is in normal work, and at this moment, the liquid level in pond has surpassed bottom limit level.When system detects this signal, because the water tower liquid level is lower than the water tower bottom limit level, water pump is started working, to water tower water-feeding, when the liquid level in pond surpasses pond upper limit liquid level, water intaking valve is just closed, but water tower also do not fill now, can this moment the water tower liquid level surpassed the water tower bottom limit level, water pump works on, to water tower water-feeding, water tower is taken out when full at pool water-pumping, and the water tower liquid level surpasses water tower upper limit liquid level, but when just standpipe supplies water, water pump has been taken the water in pond away, and this moment, pond liquid level was lower than pond upper limit liquid level, and this time standpipe supplies water and finishes.
Above-described embodiment just is to allow the one of ordinary skilled in the art can understand content of the present invention and according to this enforcement for technical conceive of the present invention and characteristics being described, its objective is, can not limit protection scope of the present invention with this.Variation or the modification of every equivalence that the essence of content has been done according to the present invention all should be encompassed in protection scope of the present invention.
Claims (2)
1. water tower level supervisory system, it is characterized in that, comprise the water tower that in succession connects, water pump and pond, be provided with the first liquid level sensor S1 and the second liquid level sensor S2 that are respectively applied to monitor water tower upper and lower bound liquid level in the water tower, be provided with the 3rd liquid level sensor S3 and the 4th liquid level sensor S4 for monitoring pond upper and lower bound liquid level in the pond, the first liquid level sensor S1, the second liquid level sensor S2, the 3rd liquid level sensor S3 is connected with universal monitoring system by Programmable Logic Controller with the 4th liquid level sensor S4, and the concrete monitoring step of described universal monitoring system is as follows:
When water level was lower than the pond bottom limit level, the 4th liquid level sensor S4 output signal was 1, the water intaking valve running, and the pond begins water inlet, and timer also carries out timing simultaneously;
Behind the 4s, if the output signal of switch S 4 still is 1, not water inlet is broken down in the expression water inlet pipe, produces and reports to the police; When water level reached upper limit liquid level position, pond, the 3rd liquid level sensor S3 output signal was 1, and water intaking valve quits work;
When water tower level was lower than the water tower bottom limit level, the second water tower liquid level sensor S2 output signal was 1, and liquid level sensor S4 output signal is 0 o'clock, and pump operation draws water;
When water tower level was higher than water tower upper limit liquid level, namely the first liquid level sensor S1 output signal was 1 o'clock, and water pump quits work.
2. according to claims 1 described water tower level supervisory system, it is characterized in that: described the first liquid level sensor S1, the second liquid level sensor S2, the 3rd liquid level sensor S3 and the 4th liquid level sensor S4 are connected on the input/output interface of Programmable Logic Controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110178583 CN102854899A (en) | 2011-06-29 | 2011-06-29 | Water tower water level monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110178583 CN102854899A (en) | 2011-06-29 | 2011-06-29 | Water tower water level monitoring system |
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| CN102854899A true CN102854899A (en) | 2013-01-02 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104765388A (en) * | 2015-01-30 | 2015-07-08 | 江苏农林职业技术学院 | Automatic water level control system based on configuration software |
| CN105912037A (en) * | 2015-12-30 | 2016-08-31 | 东莞市青麦田数码科技有限公司 | Water level control system and control method |
| CN110244783A (en) * | 2019-05-27 | 2019-09-17 | 深圳市赛格车圣科技有限公司 | Full-auto water level control system and water system |
-
2011
- 2011-06-29 CN CN 201110178583 patent/CN102854899A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104765388A (en) * | 2015-01-30 | 2015-07-08 | 江苏农林职业技术学院 | Automatic water level control system based on configuration software |
| CN105912037A (en) * | 2015-12-30 | 2016-08-31 | 东莞市青麦田数码科技有限公司 | Water level control system and control method |
| CN110244783A (en) * | 2019-05-27 | 2019-09-17 | 深圳市赛格车圣科技有限公司 | Full-auto water level control system and water system |
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Application publication date: 20130102 |