CN104950789B - A kind of control method to transformer cooler auto-flushing - Google Patents
A kind of control method to transformer cooler auto-flushing Download PDFInfo
- Publication number
- CN104950789B CN104950789B CN201510337612.4A CN201510337612A CN104950789B CN 104950789 B CN104950789 B CN 104950789B CN 201510337612 A CN201510337612 A CN 201510337612A CN 104950789 B CN104950789 B CN 104950789B
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- oil
- valves
- cooler
- filter
- entrance
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
Abstract
A kind of control method to transformer cooler auto-flushing, the present invention is installed on the pressure value of pressure sensor in oily detergent line using PLC collection, judgement is predicted to the variation tendency of line pressure using predictive control algorithm, and utilize fuzzy PID algorithm control valve, the present invention is directed to cooler oiling, latent oil pump circulation, oil filter circulates, the flows such as cooler oil extraction automatically control, complete to but device auto-flushing, this direction product blank is filled up, judgement can be predicted to the variation tendency of pipeline pressure value, ensure pipeline inner pressure smooth steady, the failure occurred in flusher can be detected in time.
Description
Technical field
The present invention relates to a kind of method rinsed to transformer cooler, and in particular to a kind of automatic to transformer cooler
The control method of flushing.
Background technology
At present using purging method be mainly that oil filter connects and carries out artificial flushing, people's industry control to cooler by the way of oil pipe
The method of system is rinsed, extremely inefficient and oil pressure and flow velocity are difficult to control when rinsing, and pressure in pipeline during equipment fault
Exception is not easy to be detected.
The content of the invention
In view of the above-mentioned problems, the present invention provide it is a kind of be easy to signal piping pressure and can be adjusted in time it is time saving and energy saving
The control method to transformer cooler auto-flushing.
To solve the above problems, the technical scheme that the present invention takes is：A kind of control to transformer cooler auto-flushing
Method processed, comprises the following steps：
Step 1：After system starts main program, PLC monitors the pressure value transmitted by pressure sensor in real time；
Step 2：If monitoring result is abnormal, opens interruption and enter regulation program：The pressure value of pressure sensor is gathered, is used
Predictive control algorithm is predicted judgement to the variation tendency of pressure value and adjusts each motor-driven valve using fuzzy PID algorithm so as to adjust
Whole loine pressure, until testing result is normal, the Central Shanxi Plain is broken, into step 3；If testing result is normally directly entered step 3；
Judgement is predicted to the variation tendency of pipeline pressure value using predictive control algorithm, can be gradual to pipeline pressure
Increase, reduction trend make reliably early warning；Magnetic valve, oil-immersed pump, oil filter field apparatus are controlled using fuzzy PID algorithm,
Fuzzy PID algorithm can maintain pressure value to ensure the smooth steady of pressure in oily detergent line near setting value.
Step 3：Selection operation pattern：Automatic mode or manual mode；
Step 4：According to selected operator scheme, procedure below is carried out successively:Cooler, cooler oiling, latent oil are installed
Pump circulation, oil filter circulation, cooler oil extraction, after the completion of flushing, return to step three.
Remote monitoring flushing process and manufacturing history form are carried out for ease of staff, described PLC passes through
Loop ethernet is connected to host computer.
Described PLC is connected with touch screen control panel.Whole work process is entered by touch screen control panel
Row status real time monitor shows, the realization of finishing man-machine interaction program.
Oil conservater that described flusher includes being connected with cooler pipeline, oil-immersed pump and it is connected with latent oil pump conduit
Filter, oil filter, pressure sensor is provided with the pipeline for be connected to filter；The entrance of wherein cooler is connected to latent oil
The outlet of pump, the entrance of oil-immersed pump are connected to the outlet of filter through A1 valves, and the entrance of filter connects through C valves, D valves
To the outlet of oil conservater；The outlet of cooler is connected to the entrance of oil conservater through A4 valves, and through A3 valves be connected to C valves and
On pipeline between D valves；The entrance of oil-immersed pump is connected to the entrance of oil filter through A2 valves, and the entrance of oil filter is through B valves
It is connected between C valves and D valves on pipeline；The pressure of detection is inputted PLC, above-mentioned valve by the pressure sensor
And oil-immersed pump, oil filter are controlled by PLC.Moved for ease of oil filter, the pipeline of oil filter both sides is flexibility
Pipeline, remaining pipeline are rigid line.It is controlled for ease of PLC, above-mentioned each valve uses motor-driven valve.
The present invention is directed to the automatic control of the flows such as cooler oiling, latent oil pump circulation, oil filter circulation, cooler oil extraction
System, completes to but device auto-flushing, has filled up this direction product blank, the variation tendency of pipeline pressure value can be predicted
Judge, ensure pipeline inner pressure smooth steady.
Brief description of the drawings
Fig. 1 is the control flow chart of the present invention；
Fig. 2 is the schematic diagram of flusher；
Wherein, 1, cooler, 2, oil conservater, 3, oil-immersed pump, 4, filter, 5, oil filter, 6, A1 valves, 7, A2 valves,
8th, A3 valves, 9, A4 valves, 10, B valves, 11, C valves, 12, D valves, 13, pressure sensor.
Embodiment
A kind of control method to transformer cooler auto-flushing, as shown in figure 1, comprising the following steps：
Step 1：After system starts main program, PLC monitors the pressure sensor by being installed on flusher in real time
The pressure value transmitted；
Step 2：If monitoring result is abnormal, opens interruption and enter regulation program：The pressure value of pressure sensor is gathered, is used
Predictive control algorithm is predicted judgement to the variation tendency of pressure value and adjusts each motor-driven valve using fuzzy PID algorithm so as to adjust
Whole loine pressure, until testing result is normal, the Central Shanxi Plain is broken, into step 3；If testing result is normally directly entered step 3；
Step 3：Selection operation pattern：Automatic mode or manual mode；
Step 4：According to selected operator scheme, procedure below is carried out successively:Cooler, cooler oiling, latent oil are installed
Pump circulation, oil filter circulation, cooler oil extraction, after the completion of flushing, return to step three.
Described PLC is connected to host computer by loop ethernet.
Described PLC is connected with touch screen control panel.
As shown in Fig. 2 described flusher include be connected with the pipeline of cooler 1 oil conservater 2, oil-immersed pump 3 and with
Filter 4, the oil filter 5 of the pipeline of oil-immersed pump 3 connection, are provided with pressure sensor 13 and filter on the pipeline for be connected to filter
In be provided with strainer valve sensor.The entrance of wherein cooler 1 is connected to the outlet of oil-immersed pump 3, and the entrance of oil-immersed pump 3 is through A1 valves
6 are connected to the outlet of filter 4, and the entrance of filter 4 is connected to the outlet of oil conservater 2 through C valves 11, D valves 12；Cooler
1 outlet is connected to the entrance of oil conservater 2 through A4 valves 9, and is connected to the pipe between C valves 11 and D valves 12 through A3 valves 8
Lu Shang；The entrance of oil-immersed pump 3 is connected to the entrance of oil filter 5 through A2 valves 7, and the entrance of oil filter 5 is connected to C through B valves 10
Between valve 11 and D valves 12 on pipeline, the pressure of detection is inputted PLC, above-mentioned valve by the pressure sensor 13
And oil-immersed pump 3, oil filter 5 are controlled by PLC.
Claims (3)
1. a kind of control method to transformer cooler auto-flushing, it is characterised in that comprise the following steps：
Step 1：After system starts main program, PLC in real time by the pressure sensor for being installed on flusher transmitted by monitoring
Pressure value；
Step 2：If monitoring result is abnormal, opens interruption and enter regulation program：The pressure value of pressure sensor is gathered, using prediction
Control algolithm is predicted judgement to the variation tendency of pressure value and adjusts each motor-driven valve using fuzzy PID algorithm so as to adjust pipe
Road pressure, until testing result is normal, the Central Shanxi Plain is broken, into step 3；If testing result is normally directly entered step 3；
Step 3：Selection operation pattern：Automatic mode or manual mode；
Step 4：According to selected operator scheme, procedure below is carried out successively:Installation cooler, cooler oiling, oil-immersed pump follow
Ring, oil filter circulation, cooler oil extraction, return to step three after the completion of flushing；
Described flusher includes oil conservater, oil-immersed pump and the mistake being connected with latent oil pump conduit being connected with cooler pipeline
Filter, oil filter, pressure sensor is provided with the pipeline for be connected to filter；The entrance of wherein cooler is connected to oil-immersed pump
Outlet, the entrance of oil-immersed pump are connected to the outlet of filter through A1 valves, and the entrance of filter is connected to storage through C valves, D valves
The outlet of Oil Tank；The outlet of cooler is connected to the entrance of oil conservater through A4 valves, and is connected to C valves and D valves through A3 valves
On pipeline between door；The entrance of oil-immersed pump is connected to the entrance of oil filter through A2 valves, and the entrance of oil filter connects through B valves
To between C valves and D valves on pipeline；The pressure of detection is inputted PLC by the pressure sensor, above-mentioned valve and
Oil-immersed pump, oil filter are controlled by PLC.
2. the control method according to claim 1 to transformer cooler auto-flushing, it is characterised in that：Described
PLC is connected to host computer by loop ethernet.
3. the control method according to claim 1 to transformer cooler auto-flushing, it is characterised in that：Described
PLC is connected with touch screen control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510337612.4A CN104950789B (en) | 2015-06-17 | 2015-06-17 | A kind of control method to transformer cooler auto-flushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510337612.4A CN104950789B (en) | 2015-06-17 | 2015-06-17 | A kind of control method to transformer cooler auto-flushing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104950789A CN104950789A (en) | 2015-09-30 |
| CN104950789B true CN104950789B (en) | 2018-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510337612.4A Active CN104950789B (en) | 2015-06-17 | 2015-06-17 | A kind of control method to transformer cooler auto-flushing |
Country Status (1)
| Country | Link |
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| CN (1) | CN104950789B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113522894B (en) * | 2021-07-10 | 2023-05-26 | 浙江尔格科技股份有限公司 | Water cooler cleaning and detecting integrated workstation and cleaning and detecting method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4178134A (en) * | 1978-01-06 | 1979-12-11 | Wynn Oil Company | Engine coolant system flush attachment for coolant hose |
| CN101943921A (en) * | 2010-08-10 | 2011-01-12 | 西安市双合软件技术有限公司 | Intelligent control method and intelligent control device of transformer cooling system |
| CN202673797U (en) * | 2012-06-11 | 2013-01-16 | 九江大安自控工程有限公司 | Seal flush monitoring device for high-temperature pump |
| CN103346661A (en) * | 2013-08-02 | 2013-10-09 | 新誉集团有限公司 | Treatment device and treatment method for traction current transformer cooling system cycling pipeline |
-
2015
- 2015-06-17 CN CN201510337612.4A patent/CN104950789B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4178134A (en) * | 1978-01-06 | 1979-12-11 | Wynn Oil Company | Engine coolant system flush attachment for coolant hose |
| CN101943921A (en) * | 2010-08-10 | 2011-01-12 | 西安市双合软件技术有限公司 | Intelligent control method and intelligent control device of transformer cooling system |
| CN202673797U (en) * | 2012-06-11 | 2013-01-16 | 九江大安自控工程有限公司 | Seal flush monitoring device for high-temperature pump |
| CN103346661A (en) * | 2013-08-02 | 2013-10-09 | 新誉集团有限公司 | Treatment device and treatment method for traction current transformer cooling system cycling pipeline |
Non-Patent Citations (1)
| Title |
|---|
| 高性能变压器冷却器控制系统设计;张世荣 等;《变压器》;20071130;第45卷(第11期);第2.2节、第3节，图1-2，表1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104950789A (en) | 2015-09-30 |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Zongzhen Inventor after: Fu Chunming Inventor after: Qin Wei Inventor after: Ma Zhenfang Inventor after: Jiang Lianggang Inventor after: Tan Li Inventor after: Yan Zihong Inventor after: Chou Hui Inventor after: Liu Ziting Inventor after: Han Zhiwei Inventor after: Ren Bin Inventor after: Zhao Qiang Inventor after: Zhang Yong Inventor before: Liu Zongzhen Inventor before: Qin Wei Inventor before: Ma Zhenfang Inventor before: Jiang Lianggang Inventor before: Yan Zihong Inventor before: Chou Hui Inventor before: Liu Ziting Inventor before: Han Zhiwei Inventor before: Ren Bin Inventor before: Zhao Qiang Inventor before: Zhang Yong Inventor before: Fu Chunming |
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