CN106968928B - A kind of yellow irrigation pumping station clear water vacuum detecting of pumping and control system and detection method - Google Patents
A kind of yellow irrigation pumping station clear water vacuum detecting of pumping and control system and detection method Download PDFInfo
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- CN106968928B CN106968928B CN201710208344.5A CN201710208344A CN106968928B CN 106968928 B CN106968928 B CN 106968928B CN 201710208344 A CN201710208344 A CN 201710208344A CN 106968928 B CN106968928 B CN 106968928B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 105
- 238000001514 detection method Methods 0.000 title claims abstract description 42
- 238000005086 pumping Methods 0.000 title claims abstract description 37
- 230000002262 irrigation Effects 0.000 title claims abstract description 16
- 238000003973 irrigation Methods 0.000 title claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000012360 testing method Methods 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 5
- 238000004062 sedimentation Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/143—Filter condition indicators
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- F04B51/00—Testing machines, pumps, or pumping installations
-
- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/20—Filtering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Computer Hardware Design (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Jet Pumps And Other Pumps (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a kind of yellow irrigation pumping station clear water vacuum detecting of pumping and control systems, including vacuum-ness detecting device, interface control unit, Clean water valve and executing agency, the output end of the Clean water valve is connected with the input terminal of vacuum-ness detecting device, the output end of vacuum-ness detecting device is connected with the input terminal of interface control unit, and the output end of interface control unit is connected with the input terminal of executing agency.The detection method of the system is the method combined using heat-conducted flow sensor and negative pressure of vacuum force detection sensor, the water flow signal and negative pressure force signal that will test, it is analyzed and processed through Signal Regulation processor, removal falseness and interference signal, to signal after processing through the work of PLC signal control output module driving executing agency, control the starting operation of water pump, overcome short detecting element service life, frequent replacement, detection accuracy and the drawbacks of poor accuracy, improve control accuracy, human and material resources are saved, are improved work efficiency.
Description
Technical field
The present invention relates to a kind of measurement and control system, in particular to a kind of yellow irrigation pumping station clear water vacuum detecting of pumping and control
System and detection method processed.
Background technique
It is taken out in yellow irrigation pumping station operation in water conservancy, is that feed pump vacuumizes first before water pump starting, allow the water of priming reservoir
Enter water pump by the suction line of pump, then start water pump, could normal pumping irrigation, so water pump open in front pump whether
Reach vacuum, whether clear water fills the signal detection of water pump, is to ensure that the important link that can water pump operate normally.
Water pump, which vacuumizes in operational process, in water conservancy pumping plant has following two situation to make vacuum degree measurement value and actual value
Generate relatively large deviation: although the water for (1) sucking water pump is the water precipitated by sedimentation basin, since the Yellow River water impurity is relatively more,
To the serious corrosion of detecting element, long-term erosion often makes the detecting element service life very short, and detection accuracy is poor, influences to control
System；(2) fluctuation is very big when water pump sucking water, and detection jitter has seriously affected the detection of actual value, to make to control
System generates erroneous judgement, influences to control.
The pumping plant user having at present listens the sound in feeling water pump to determine whether to start water pump by worker's experience with ear；
A kind of electric conductivity by water of some reaches two electrode closure conductings by water level and issues electric signal driving intermediate relay
The control mode of control water pump starting reaches the control requirement for opening pump.Both modes are all unable to satisfy true in accurate detection water pump
Reciprocal of duty cycle and the requirement controlled not can avoid the problem of detecting element frequent breakage and accuracy in detection difference, it is difficult to meet water
Sharp construction requirements water conservancy pumping plant realization is unattended, realizes the requirement of automation control.
Summary of the invention
In order to overcome the defects of the prior art described above, the purpose of the present invention is to provide a kind of water conservancies to take out yellow irrigation pumping station system
System clear water vacuum degree measurement and control system, should solve the accuracy stability problem of clear water vacuum degree measurement signal, again
The service life for guaranteeing detecting element avoids pumping station automatization process from malfunctioning, and further realizes pumping station automatization control
It is required that.
In order to achieve the above object, the technical solution adopted in the present invention is as follows:
A kind of yellow irrigation pumping station clear water vacuum detecting of pumping and control system, including vacuum-ness detecting device, Interface Control list
Member, Clean water valve and executing agency, the output end of the Clean water valve are connected with the condition entry end of vacuum-ness detecting device,
The output end of vacuum-ness detecting device is connected with the input terminal of interface control unit, the output end and execution machine of interface control unit
The input terminal of structure is connected.
The vacuum-ness detecting device include clean water filter, plugged filter detection unit, flow sensor and
Vacuum pressure sensor, the input terminal of the clean water filter are connected with the control output end of Clean water valve, clear water filtering
The output end of device is connected with the input terminal of plugged filter detection unit, flow sensor, vacuum pressure sensor respectively, mistake
Filter jam detection unit, flow sensor, vacuum pressure sensor output end adopted with the PLC signal of interface control unit
The input terminal for collecting module is connected.
The clean water filter is a kind of stainless steel filter, including the shell with inlet and outlet, peace
Filter core and cleaning machine loaded on the enclosure interior are arranged with filter screen on filter core, and the inner cavity of shell is divided into above and below by partition
Chamber, water enter filter cavity of resorption by water inlet, then enter filter screen by partition and are filtered, and filtered clear water enters upper
Chamber is discharged from water outlet, and while filtering, cleaning machine clears up filter screen in time.
The plugged filter detection unit is a kind of negative pressure of vacuum force detection sensor, extremely by output electric signal
PLC signal acquisition module, carrying out signal processing by interface control unit, simultaneously sender is alarmed, and control filter device progress is internal certainly
Impurity is discharged in cleaning.
The flow sensor is heat-conducted flow sensor.
The interface control unit includes PLC signal acquisition module, Signal Regulation processor, the control output of PLC signal
The output end of module, PLC signal acquisition module is connected with the input terminal of Signal Regulation processor, the output of Signal Regulation processor
It holds and is connected with the input terminal of PLC signal control output module.
The executing agency includes vacuum pump discharges controller, vacuum pump operation controller and high pressure switching-on controller,
The output end that PLC signal controls output module closes a floodgate with vacuum pump discharges controller, vacuum pump operation controller and high pressure respectively
The input terminal of controller is connected, and PLC signal controls the work of output module driving executing agency, control water pump starting operation.
A kind of detection method for taking out yellow irrigation pumping station clear water vacuum detecting and control system, using heat-conducted flow sensor
And the vacuum water flow rate testing methods that negative pressure of vacuum force detection sensor combines, this method are first using detecting in heat exchange principle
Part heat conducts the correlation with detected fluid flow velocity, detects negative pressure in the water flow signal and vacuum pump that will test
Signal is analyzed and processed measured signal through Signal Regulation processor, and removal is false and interference signal, to signal after processing into
Row comparison operation is through the work of PLC signal control output module driving executing agency, control water pump starting operation.
Beneficial effects of the present invention:
Present invention employs the vacuum water flows that heat-conducted flow sensor and negative pressure of vacuum force detection sensor combine
Detection means and method, using in heat exchange principle detecting element heat conduction with the closely related relationship of detected fluid flow velocity,
The water flow signal that detects simultaneously with negative pressure force signal is detected in vacuum pump, through Signal Regulation processor to measured signal into
Row analysis processing removes false and interference signal with control algolithm software, is compared operation to signal after processing and believes through PLC
The work of number control output module driving executing agency, control water pump starting operation；Measurement and control system of the invention is put into certainly
After use, previous detecting element is overcome since detection bad environments cause corrosion to cause component life short frequently detecting element
The drawbacks of replacement, detection accuracy and poor accuracy, control accuracy is greatly improved, human and material resources are saved, improves work
Make efficiency, basically reached the purpose that pumping plant starting operation automatically controls, realizes that unattended control maintenance provides for pumping plant
It ensures.
Detailed description of the invention
Fig. 1 is structure principle chart of the invention.
Description of symbols
1- vacuum-ness detecting device, 2- interface control unit, 3- Clean water valve, 4- clean water filter, 5- filter are stifled
Plug detection unit, 6- flow sensor, 7- vacuum pressure sensor, 8-PLC signal acquisition module, 9- Signal Regulation processor,
10-PLC signal control output module, 11- executing agency, 12- vacuum pump discharges controller, 13- vacuum pump operation controller,
14- high pressure switching-on controller.
Structural principle and working principle of the invention are described in detail with reference to the accompanying drawing
Specific embodiment
Embodiment 1
As shown in Figure 1, a kind of yellow irrigation pumping station clear water vacuum detecting of pumping and control system, including vacuum-ness detecting device 1,
Interface control unit 2, Clean water valve 3 and executing agency 11, the output end and vacuum-ness detecting device 1 of the Clean water valve 3
Condition entry end be connected, the output end of vacuum-ness detecting device 1 is connected with the input terminal of interface control unit 2, Interface Control
The output end of unit 2 is connected with the input terminal of executing agency 11.
Vacuum-ness detecting device 1 can be filtered detection, 2 pairs of detection signal numbers of interface control unit to the water for entering the pump housing
According to carrying out identification calculation process, when reaching control and requiring, control output driving executing agency 11 works, and controls water pump operation.
Embodiment 2
On the basis of embodiment 1, the vacuum-ness detecting device 1 includes clean water filter 4, plugged filter inspection
Survey unit 5, flow sensor 6 and vacuum pressure sensor 7, input terminal and the Clean water valve 3 of the clean water filter 4
Control output end is connected, the output end of clean water filter 4 respectively with plugged filter detection unit 5, flow sensor 6, true
The input terminal of pneumatics force snesor 7 is connected, plugged filter detection unit 5, flow sensor 6, vacuum pressure sensor 7 it is defeated
Outlet is connected with the input terminal of the PLC signal acquisition module 8 of interface control unit 2.
The clean water filter 4 is a kind of stainless steel filter, including the shell with inlet and outlet, peace
Filter core and cleaning machine loaded on the enclosure interior are arranged with filter screen on filter core, and the inner cavity of shell is divided into above and below by partition
Chamber, the water precipitated by sedimentation basin also have many suspended matters, and the water precipitated enters filter cavity of resorption by water inlet, then
It is for re-filtering to enter stainless steel wedge shaped filter net by partition, goes to clean, filtered clear water enters epicoele from water outlet
Discharge, while filtering, cleaning machine clears up filter screen in time.Plugged filter detection unit 5 is negative for a kind of vacuum
Press detection sensor can detect filter tube way outlet pressure signal, when filter device since other impurities block
Afterwards, filter tube way outlet pressure signal can generate variation, and negative pressure of vacuum force detection sensor is believed by output electric signal to PLC
Number acquisition module 8 carries out signal processing by interface control unit 2 and sender is alarmed, and control filter device 4 carries out internal from clear
Impurity is discharged in reason；Flow sensor 6 is heat-conducted flow sensor, can be detected to water flow, using this sensor energy
The interference for effectively excluding accuracy of the various impurity to signal detection improves the service life of detecting element；Vacuum pressure sensing
Device 7 can detect vacuum degree in the pump housing.
The interface control unit 2 includes the PLC signal acquisition module 8 for acquiring water flow, pressure, Signal Regulation
Processor 9, PLC signal output module 10, the input terminal phase of the output end and Signal Regulation processor 9 of PLC signal acquisition module 8
Even, the output end of Signal Regulation processor 9 is connected with the input terminal of PLC signal control output module 10.
The executing agency 11 includes the vacuum pump discharges controller 12 for vacuum line exhaust, vacuum pump operation control
Device 13 processed, high pressure switching-on controller 14 before water pump starting is run, PLC signal control output module output end 10 respectively with vacuum pump
The input terminal of exhaust controller 12,13 high pressure switching-on controller 14 of vacuum pump operation controller is connected.
The detection method of a kind of pumping Huang the irrigation pumping station clear water vacuum detecting and control system uses heat-conducted stream
The vacuum water flow detection means and method that quantity sensor and negative pressure of vacuum force detection sensor combine, utilize heat exchange principle
Middle detecting element heat conduction is with the closely related relationship of detected fluid flow velocity, the water flow signal detected while and vacuum pump
It inside detects negative pressure force signal, measured signal is analyzed and processed through Signal Regulation processor 9, gone with control algolithm software
Except false and interference signal, operation is compared to signal after processing and drives executing agency through PLC signal control output module 10
11 work, control water pump starting operation.
The operation principle of the present invention is that: before pumping plant starting operation, the water of sedimentation basin enters clear water mistake through Clean water valve 3
After filtering device 4, clean water filter 4 can be filtered the water by sedimentation basin precipitating；Heat-conducted flow sensor 6 detects
Corresponding electric signal can be exported after water flow signal variation to PLC signal acquisition module 8, while vacuum pressure sensor 7 detects
Pressure in the pump housing, a current signal can be also inputted when pressure reaches setting value by PLC signal acquisition module 8, and PLC will
Collected data are analyzed and processed measured signal by Signal Regulation processor 9, remove with control algolithm software empty
False and interference signal is compared operation to signal after processing and drives 11 work of executing agency through PLC signal control output module 10
Make, control water pump starting operation.
The present invention overcomes previous detecting element since detection bad environments cause corrosion to cause the element longevity detecting element
The drawbacks of ordering short frequent replacement, detection accuracy and poor accuracy, greatly improves control accuracy, saves human and material resources,
It improves work efficiency, has basically reached the purpose that pumping plant starting operation automatically controls, realize unattended control dimension for pumping plant
Shield provides guarantee.
Claims (5)
1. a kind of yellow irrigation pumping station clear water vacuum detecting of pumping and control system, it is characterized in that: include vacuum-ness detecting device (1),
Interface control unit (2), Clean water valve (3) and executing agency (11), the output end and vacuum degree of the Clean water valve (3) are examined
The input terminal for surveying device (1) is connected, and the output end of vacuum-ness detecting device (1) is connected with the input terminal of interface control unit (2),
The output end of interface control unit (2) is connected with the input terminal of executing agency (11)；The interface control unit (2) includes
PLC signal acquisition module (8), Signal Regulation processor (9), PLC signal control output module (10), PLC signal acquisition module
(8) output end is connected with the input terminal of Signal Regulation processor (9), the output end and PLC signal of Signal Regulation processor (9)
The input terminal for controlling output module (10) is connected；The vacuum-ness detecting device (1) includes clean water filter (4), filtering
Device jam detection unit (5), flow sensor (6) and vacuum pressure sensor (7), the clean water filter (4) it is defeated
Enter end to be connected with the control output end of Clean water valve (3), the output end of clean water filter (4) is detected with plugged filter respectively
Unit (5), flow sensor (6), the input terminal of vacuum pressure sensor (7) are connected, plugged filter detection unit (5), stream
Quantity sensor (6), vacuum pressure sensor (7) output end with the PLC signal acquisition module (8) of interface control unit (2)
Input terminal be connected；The plugged filter detection unit (5) is a kind of negative pressure of vacuum force detection sensor, passes through output electricity
Signal carries out signal processing by interface control unit (2) and sender is alarmed, dress is filtered in control to PLC signal acquisition module (8)
It sets (4) and carries out internal self-cleaning, impurity is discharged.
2. a kind of pumping Huang irrigation pumping station clear water vacuum detecting according to claim 1 and control system, it is characterized in that: described
Clean water filter (4) be a kind of stainless steel filter, including with inlet and outlet shell, be installed on the shell
The filter core and cleaning machine in internal portion, are arranged with filter screen on filter core, and the inner cavity of shell is divided into upper and lower chamber by partition, water by into
The mouth of a river enters filter cavity of resorption, then enters filter screen by partition and is filtered, filtered clear water enters epicoele from water outlet
Mouth discharge, while filtering, cleaning machine clears up filter screen in time.
3. a kind of pumping Huang irrigation pumping station clear water vacuum detecting according to claim 1 and control system, it is characterized in that: described
Flow sensor (6) be heat-conducted flow sensor.
4. a kind of pumping Huang irrigation pumping station clear water vacuum detecting according to claim 1 and control system, it is characterized in that: described
Executing agency (11) include vacuum pump discharges controller (12), vacuum pump operation controller (13) and high pressure switching-on controller
(14), the output end of PLC signal control output module (10) is controlled with vacuum pump discharges controller (12), vacuum pump operation respectively
Device (13) is connected with the input terminal of high pressure switching-on controller (14), and PLC signal controls output module (10) and drives executing agency
(11) it works, control water pump starting operation.
5. based on a kind of described in any item detections for taking out yellow irrigation pumping station clear water vacuum detecting and control system of claim 1-4
Method, it is characterized in that: correlation of this method using detecting element heat conduction and detected fluid flow velocity in heat exchange principle,
Negative pressure force signal is detected in the water flow signal and vacuum pump that will test, and measured signal is carried out through Signal Regulation processor
Analysis processing, removal falseness and interference signal are compared operation to signal after processing and drive through PLC signal control output module
Dynamic executing agency's work, control water pump starting operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710208344.5A CN106968928B (en) | 2017-03-31 | 2017-03-31 | A kind of yellow irrigation pumping station clear water vacuum detecting of pumping and control system and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710208344.5A CN106968928B (en) | 2017-03-31 | 2017-03-31 | A kind of yellow irrigation pumping station clear water vacuum detecting of pumping and control system and detection method |
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| Publication Number | Publication Date |
|---|---|
| CN106968928A CN106968928A (en) | 2017-07-21 |
| CN106968928B true CN106968928B (en) | 2019-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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Families Citing this family (1)
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| CN110608164A (en) * | 2019-10-28 | 2019-12-24 | 苏州工业职业技术学院 | Positive and negative pressure test equipment for fuel pump |
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|---|---|---|---|---|
| US4124332A (en) * | 1975-05-19 | 1978-11-07 | Matsushita Electric Industrial Company, Limited | Automatically operative pumping equipment |
| CN201081777Y (en) * | 2007-04-30 | 2008-07-02 | 深圳克拉克自动化控制有限公司 | Scale-free heat conductive flow controller |
| CN201526470U (en) * | 2009-11-17 | 2010-07-14 | 天津市引滦工程尔王庄管理处 | Vacuum water-inducing control device Centrifugal pump |
| CN201613053U (en) * | 2010-02-01 | 2010-10-27 | 蔡忠 | Automatic high-efficient backflushing clear water filter |
| CN104329268A (en) * | 2014-09-26 | 2015-02-04 | 徐州圣能科技有限公司 | Mine draining pump control system |
| CN204386649U (en) * | 2015-01-12 | 2015-06-10 | 温州乐控节能科技有限公司 | A kind of Mine Drainage System |
| CN206647248U (en) * | 2017-03-31 | 2017-11-17 | 中国重型机械研究院股份公司 | A kind of water conservancy takes out yellow irrigation pumping station clear water vacuum detecting and control system |
-
2017
- 2017-03-31 CN CN201710208344.5A patent/CN106968928B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4124332A (en) * | 1975-05-19 | 1978-11-07 | Matsushita Electric Industrial Company, Limited | Automatically operative pumping equipment |
| CN201081777Y (en) * | 2007-04-30 | 2008-07-02 | 深圳克拉克自动化控制有限公司 | Scale-free heat conductive flow controller |
| CN201526470U (en) * | 2009-11-17 | 2010-07-14 | 天津市引滦工程尔王庄管理处 | Vacuum water-inducing control device Centrifugal pump |
| CN201613053U (en) * | 2010-02-01 | 2010-10-27 | 蔡忠 | Automatic high-efficient backflushing clear water filter |
| CN104329268A (en) * | 2014-09-26 | 2015-02-04 | 徐州圣能科技有限公司 | Mine draining pump control system |
| CN204386649U (en) * | 2015-01-12 | 2015-06-10 | 温州乐控节能科技有限公司 | A kind of Mine Drainage System |
| CN206647248U (en) * | 2017-03-31 | 2017-11-17 | 中国重型机械研究院股份公司 | A kind of water conservancy takes out yellow irrigation pumping station clear water vacuum detecting and control system |
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