CN105909595B - A kind of method for judging hydraulic station oil leak and pressure oscillation - Google Patents
A kind of method for judging hydraulic station oil leak and pressure oscillation Download PDFInfo
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- CN105909595B CN105909595B CN201610370718.9A CN201610370718A CN105909595B CN 105909595 B CN105909595 B CN 105909595B CN 201610370718 A CN201610370718 A CN 201610370718A CN 105909595 B CN105909595 B CN 105909595B
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- pressure
- monitoring alarm
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
- F15B19/005—Fault detection or monitoring
Abstract
The invention discloses a kind of method for judging hydraulic station oil leak and pressure oscillation, measure the liquid level and pressure value of hydraulic station in real time using liquid level sensor and pressure sensor, accessed PLC analog input channels, and liquid level and pressure value are filed using Siemens configuration software WINCC, attendant can demarcate according to Historical archiving curve during hydraulic station stable operation to warning system, oil leak and pressure oscillation in terms of " rate of change " and " cumulant " two to hydraulic station judge, instantaneous monitoring alarm and history monitoring alarm are carried out respectively, judge that alarm is more comprehensive with " threshold value " compared to simple, in time and effectively.Instantaneous monitoring alarm value and history the monitoring alarm value that the system uses is to file curve by analyzing substantial amounts of WINCC, and is obtained by long-time demarcation, compared to having higher adaptability and reliability for the general method using empirical value.
Description
Technical field
The present invention relates to field of hydraulic station, more particularly to a kind of method for judging hydraulic station oil leak and pressure oscillation.
Background technology
Oil leak and pressure oscillation are the accidents often easily occurred in hydraulic station running, and hydraulic station is in long-term use of mistake
Cheng Zhong, caused by liquid flows in Hydraulic Elements and pipeline there is the reasons such as gap in pressure differential and each element, when
Leakage can be produced frequently.Hydraulic system is once revealed, it will is caused system pressure not build up, while can also be caused ring
Border is polluted, and has a strong impact on the production efficiency of enterprise.In general way is real-time using liquid level sensor and pressure sensor at present
The liquid level and pressure value of hydraulic station are measured, a threshold value is then set to it, when more than this threshold value, i.e., entering to hydraulic system
Row alarm.If to the appropriate of threshold value setting, this method can play good effect.But the setting to threshold value has at present
Very big is empirical, if setting is improper, can produce false alarm, cause corresponding device to malfunction, often run counter to desire.
The content of the invention
Present invention seek to address that the deficiencies in the prior art, and a kind of oil leak of accurate judgement hydraulic station and pressure oscillation are provided
Method.
The present invention to achieve the above object, using following technical scheme：A kind of judgement hydraulic station oil leak and pressure oscillation
Method, it is characterised in that comprise the following steps：
(1), measure the liquid level of hydraulic station in real time using liquid level sensor, hydraulic station is measured in real time using pressure sensor
Pressure value；
(2) liquid level of measurement and pressure value, are accessed into PLC analog input channels, and utilize process monitoring system software
Liquid level and pressure value are filed；
(3) demarcation of instantaneous monitoring alarm value and history the monitoring alarm value of liquid level and pressure, is carried out to warning system；
(4), system carries out instantaneous monitoring alarm and history monitoring alarm respectively to the liquid level and pressure of hydraulic station,
The step of instantaneous monitoring alarm is：1. master control system is to each specific time point in hydraulic station running
Calculate the undulate quantity of liquid level and pressure in certain time；2. by the undulate quantity of the liquid level at the time point being calculated and pressure with
The instantaneous monitoring alarm value of system calibrating compares；3. when undulate quantity is both greater than instantaneous monitoring alarm value within a certain period of time,
Then send warning message；
The step of history monitoring alarm is：1. master control system is total from hydraulic station stable operation start recording its running
Level fluctuation amount and pressure wave momentum；2. by total level fluctuation amount and the history of pressure wave momentum and system calibrating of record
Monitoring alarm value compares；3. when undulate quantity is both greater than history monitoring alarm value within a certain period of time, then warning message is sent.
Preferably, the process monitoring system software in the step (2) is Siemens configuration software WINCC.
Preferably, instantaneous monitoring alarm value and history the monitoring alarm value of liquid level and pressure in the step (3)
Demarcation is the filing curve by analyzing substantial amounts of process monitoring system software, and is obtained by long-time demarcation.
The beneficial effects of the invention are as follows：Oil leak of the present invention in terms of " rate of change " and " cumulant " two to hydraulic station with
Pressure oscillation judges, and carries out instantaneous monitoring alarm and history monitoring alarm respectively, judges to report with " threshold value " compared to simple
Police is more comprehensive, timely and effective.Instantaneous monitoring alarm value and history the monitoring alarm value that the system uses is big by analyzing
The WINCC filing curves of amount, and obtained by long-time demarcation, it is higher compared to having for the general method using empirical value
Adaptability and reliability.
Embodiment
With reference to embodiment, the invention will be further described：
Embodiment 1
A kind of method for judging hydraulic station oil leak and pressure oscillation, it is characterised in that comprise the following steps：
(1), hydraulic station is measured in real time using model NS10/25-K-SK166/1400-4xMKS1/W liquid level sensor
Liquid level, measure the pressure value of hydraulic station in real time using model MDF-5-250+E05+M01 pressure sensor；
(2) liquid level of measurement and pressure value, are accessed into PLC analog input channels, and utilize Siemens's configuration software
WINCC files to liquid level and pressure value；
(3) liquid level, is carried out to warning system and the instantaneous monitoring alarm value and history monitoring alarm value of pressure are demarcated, alarm
The demarcation of value is to file curve by analyzing substantial amounts of WINCC, and is obtained by long-time demarcation；
(4), system carries out instantaneous monitoring alarm and history monitoring alarm respectively to the liquid level and pressure of hydraulic station,
The step of instantaneous monitoring alarm is：1. master control system is to each specific time point in hydraulic station running
Calculate the undulate quantity of liquid level and pressure in certain time；2. by the undulate quantity of the liquid level at the time point being calculated and pressure with
The instantaneous monitoring alarm value of system calibrating compares；3. when undulate quantity is both greater than instantaneous monitoring alarm value within a certain period of time,
Then send warning message；
The step of history monitoring alarm is：1. master control system is total from hydraulic station stable operation start recording its running
Level fluctuation amount and pressure wave momentum；2. by total level fluctuation amount and the history of pressure wave momentum and system calibrating of record
Monitoring alarm value compares；3. when undulate quantity is both greater than history monitoring alarm value within a certain period of time, then warning message is sent.
The present invention is exemplarily described above, it is clear that present invention specific implementation is not subject to the restrictions described above,
As long as employing the various improvement of inventive concept and technical scheme of the present invention progress, or not improved directly apply to other fields
Close, within protection scope of the present invention.
Claims (3)
- A kind of 1. method for judging hydraulic station oil leak and pressure oscillation, it is characterised in that comprise the following steps：(1), measure the liquid level of hydraulic station in real time using liquid level sensor, measure the pressure of hydraulic station in real time using pressure sensor Value；(2) liquid level of measurement and pressure value, are accessed into PLC analog input channels, and using process monitoring system software to liquid Position and pressure value are filed；(3) demarcation of instantaneous monitoring alarm value and history the monitoring alarm value of liquid level and pressure, is carried out respectively to warning system；(4), system carries out instantaneous monitoring alarm and history monitoring alarm respectively to the liquid level and pressure of hydraulic station,The step of instantaneous monitoring alarm is：1. master control system was calculated each specific time point in hydraulic station running The undulate quantity of liquid level and pressure in certain time；2. by the liquid level at the time point being calculated and the undulate quantity and system of pressure The instantaneous monitoring alarm value of demarcation compares；3. when undulate quantity is both greater than instantaneous monitoring alarm value within a certain period of time, then send out Send warning message；The step of history monitoring alarm is：1. master control system liquid total from hydraulic station stable operation start recording its running Position undulate quantity and pressure wave momentum；2. the total level fluctuation amount and the history of pressure wave momentum and system calibrating of record are monitored Alarming value compares；3. when undulate quantity is both greater than history monitoring alarm value within a certain period of time, then warning message is sent.
- A kind of 2. method for judging hydraulic station oil leak and pressure oscillation according to claim 1, it is characterised in that the step Suddenly the process monitoring system software in (2) is Siemens configuration software WINCC.
- A kind of 3. method for judging hydraulic station oil leak and pressure oscillation according to claim 1, it is characterised in that the step Suddenly the demarcation of instantaneous monitoring alarm value and history the monitoring alarm value of the liquid level in (3) and pressure is by analyzing substantial amounts of process The filing curve of monitoring system software, and obtained by long-time demarcation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610370718.9A CN105909595B (en) | 2016-05-27 | 2016-05-27 | A kind of method for judging hydraulic station oil leak and pressure oscillation |
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| CN201610370718.9A CN105909595B (en) | 2016-05-27 | 2016-05-27 | A kind of method for judging hydraulic station oil leak and pressure oscillation |
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| CN105909595A CN105909595A (en) | 2016-08-31 |
| CN105909595B true CN105909595B (en) | 2018-01-19 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762980A (en) * | 2016-12-22 | 2017-05-31 | 珠海格力电器股份有限公司 | A kind of method and device for carrying out pressure monitor |
| CN109268343B (en) * | 2017-07-18 | 2022-02-22 | 罗伯特·博世有限公司 | Method and recording medium for determining a malfunction of an actuator of a hydraulic system |
| CN109268689A (en) * | 2018-09-30 | 2019-01-25 | 南京钢铁股份有限公司 | A kind of Ferrous Metallurgy gas piping scene leaks site monitoring system |
| CN110823482B (en) * | 2019-11-22 | 2021-07-23 | 马鞍山钢铁股份有限公司 | Early warning method for abnormal liquid level of oil tank of hydraulic lubricating system |
| CN112065820A (en) * | 2020-10-10 | 2020-12-11 | 攀钢集团攀枝花钢钒有限公司 | Dynamic control method for oil in oil tank of hot continuous rolling hydraulic system |
| CN113586961A (en) * | 2021-07-22 | 2021-11-02 | 北京山太公务机维修技术有限公司 | Aircraft maintenance oxygenation method, system, terminal and storage medium |
| CN117508091A (en) * | 2023-12-07 | 2024-02-06 | 名商科技有限公司 | Truck oil theft prevention method, control device and computer readable storage medium |
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| CN102853871A (en) * | 2011-06-30 | 2013-01-02 | 艾默生网络能源有限公司 | Oil level monitoring method and system |
| CN104061976A (en) * | 2014-07-14 | 2014-09-24 | 济钢集团有限公司 | Dynamic monitoring device and method for liquid level of oil tank of hydraulic system |
| CN104061207A (en) * | 2014-06-23 | 2014-09-24 | 首钢京唐钢铁联合有限责任公司 | Determination method and system of oil leakage of rolling mill |
| CN104880247A (en) * | 2015-05-04 | 2015-09-02 | 华中科技大学 | Combined alarming method for on-line monitoring system for rotary machinery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7249530B2 (en) * | 2004-12-29 | 2007-07-31 | Caterpillar Inc. | Oil consumption simulating device |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568148A (en) * | 2010-12-31 | 2012-07-11 | 淮南矿业(集团)有限责任公司 | Early warning method and early warning system |
| CN102853871A (en) * | 2011-06-30 | 2013-01-02 | 艾默生网络能源有限公司 | Oil level monitoring method and system |
| CN104061207A (en) * | 2014-06-23 | 2014-09-24 | 首钢京唐钢铁联合有限责任公司 | Determination method and system of oil leakage of rolling mill |
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