CN112833067A - Method and device for detecting oil leakage of oil tank of hydraulic station - Google Patents
Method and device for detecting oil leakage of oil tank of hydraulic station Download PDFInfo
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- 239000007788 liquid Substances 0.000 claims abstract description 146
- 238000001514 detection method Methods 0.000 claims description 17
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- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 4
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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
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
- F15B20/005—Leakage; Spillage; Hose burst
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Abstract
The application provides a method and a device for detecting oil leakage of an oil tank of a hydraulic station, wherein the method comprises the following steps: collecting liquid level data of a hydraulic station oil tank at preset time intervals; selecting N adjacent liquid level data as sample data, comparing the adjacent liquid level data, calculating the difference value between the liquid level data of the next time and the liquid level data of the previous time, and recording as a liquid level difference; and if the liquid level data of the next time is smaller than the liquid level data of the previous time and the corresponding liquid level difference is larger than the threshold value after N-1 times of continuous comparison, outputting the result as oil leakage. Through the device and the method for detecting the oil leakage of the oil tank of the hydraulic station, the liquid level of the oil tank of the hydraulic station can be monitored in real time, whether the oil tank leaks oil or not is accurately and timely judged, a good monitoring effect can be particularly achieved for the leakage of a hydraulic pipeline which often happens but is difficult to find, the fault finding and processing time is shortened, and the production efficiency is improved.
Description
Technical Field
The application relates to the technical field of power, in particular to a method and a device for detecting oil leakage of an oil tank of a hydraulic station.
Background
The hydraulic station is also called as a hydraulic pump station, a motor drives an oil pump to rotate, the pump pumps oil after absorbing oil from an oil tank, mechanical energy is converted into pressure energy of hydraulic oil, the hydraulic oil is subjected to direction, pressure and flow regulation by a hydraulic valve through an integrated block (or valve combination) and then is transmitted to an oil cylinder or an oil motor of the hydraulic machine through an external pipeline, so that the direction change of a hydraulic motor, the strength and the speed of the hydraulic motor are controlled, and various hydraulic machines are pushed to do work. The quantity and quality of the hydraulic oil in the hydraulic station directly affect the working efficiency of the hydraulic station.
At present most hydraulic pressure station oil tank does not have oil leak detection device, only has actual liquid level value and height liquid level to report to the police, can not in time detect when the oil leak takes place, need reduce to low liquid level switch when triggering when the liquid level just can discover, and this has not only wasted the hydraulic oil and has polluted the environment, more can cause very big influence to the normal production of mill.
Disclosure of Invention
The application provides a method and a device for detecting oil leakage of an oil tank of a hydraulic station, which are used for accurately detecting whether the oil tank of the hydraulic station leaks oil or not in real time.
In order to solve the technical problem, the embodiment of the application discloses the following technical scheme:
in a first aspect, an embodiment of the present application discloses a method for detecting oil leakage of an oil tank of a hydraulic station, including:
collecting liquid level data of a hydraulic station oil tank at preset time intervals;
selecting N adjacent liquid level data as sample data, comparing the adjacent sample data, calculating the difference value between the last sample data and the first sample data according to the recording time sequence, and recording as the liquid level difference;
if the sample data of the next time is smaller than the sample data of the previous time and the corresponding liquid level difference is larger than the liquid level difference threshold value after N-1 times of continuous comparison, outputting an oil leakage signal of the oil tank of the hydraulic station;
otherwise, continuously selecting N adjacent liquid level data as sample data, and comparing the adjacent sample data. Optionally, the predetermined time interval is 3-6 seconds.
Optionally, the predetermined time interval is 4 seconds.
Optionally, the outputting the oil leakage signal of the oil tank of the hydraulic station further includes: an audible and visual alarm occurs.
In a second aspect, an embodiment of the present application discloses a hydraulic station oil tank oil leak detection device, including: the liquid level detection unit is used for detecting a liquid level signal leaked from an oil tank of the hydraulic station in real time;
the signal acquisition unit is connected with the liquid level detection unit and is used for acquiring the liquid level signal;
the data processing module is connected with the signal acquisition unit and used for performing data conversion on the liquid level signal to generate liquid level data;
the control module is connected with the data processing module and used for calculating whether oil leakage exists or not according to the liquid level data and outputting a result;
wherein, whether oil leakage exists or not is calculated according to the liquid level data, and the output result comprises: comparing adjacent liquid level data, calculating the difference value between the liquid level data of the next time and the liquid level data of the previous time, and recording as a liquid level difference;
and if the liquid level data of the next time is smaller than the liquid level data of the previous time and the corresponding liquid level difference is larger than the threshold value through continuous four times of comparison, outputting a result that the oil leakage occurs.
Optionally, the method further includes: and the display module is connected with the control module and used for carrying out visual display according to the output result.
Optionally, the method further includes: and the alarm module is connected with the control module and gives out sound and light alarm when the output result is oil leakage.
Optionally, the alarm module is an audible and visual alarm.
Compared with the prior art, the beneficial effect of this application is:
the application provides a hydraulic station oil tank oil leakage detection device and method, which comprise the following steps: acquiring a liquid level signal of an oil tank of the hydraulic station at preset time intervals by using a signal acquisition unit; the data processing module converts the liquid level signal into liquid level data; and the control module calculates whether oil leakage exists according to the liquid level data and outputs a result. Wherein, whether oil leakage exists or not is calculated according to the liquid level data, and the output result comprises: selecting N adjacent liquid level data as sample data, comparing the adjacent liquid level data, calculating the difference value between the liquid level data of the next time and the liquid level data of the previous time, and recording as a liquid level difference; and if the liquid level data of the next time is smaller than the liquid level data of the previous time and the corresponding liquid level difference is larger than the threshold value after N-1 times of continuous comparison, outputting the result as oil leakage. Through the device and the method for detecting the oil leakage of the oil tank of the hydraulic station, the liquid level of the oil tank of the hydraulic station can be monitored in real time, whether the oil tank leaks oil or not is accurately and timely judged, a good monitoring effect can be particularly achieved for the leakage of a hydraulic pipeline which often happens but is difficult to find, the fault finding and processing time is shortened, and the production efficiency is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a method for detecting oil leakage of an oil tank of a hydraulic station according to an embodiment of the present disclosure;
fig. 2 is a schematic view of an oil leakage detection device for an oil tank of a hydraulic station according to an embodiment of the present application.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Fig. 1 is a flowchart of a method for detecting oil leakage of an oil tank of a hydraulic station according to an embodiment of the present application. As shown in fig. 1, an embodiment of the present application provides a method for detecting oil leakage of an oil tank of a hydraulic station, including:
s100: and collecting liquid level data of the oil tank of the hydraulic station at preset time intervals as sample data.
The control module is internally provided with a preset time interval and a liquid level difference threshold, wherein: the preset time interval is set according to the working parameters of the hydraulic station, and data acquisition is carried out under the condition that the mechanical states in the hydraulic station are consistent. The setting of the liquid level difference threshold is defined according to the liquid level fluctuation value when the hydraulic station is normally used, and the liquid level difference threshold is defined as T in the embodiment. In some embodiments, the predetermined time interval is 4 seconds.
An oil tank liquid level meter is arranged in the hydraulic station oil tank and serves as a liquid level detection unit, and liquid level signals of the hydraulic station oil tank are monitored in real time. The hydraulic station is externally provided with a signal acquisition unit which is connected with an oil tank liquid level meter through a signal line to acquire a liquid level signal of an oil tank of the hydraulic station in real time. The data processing module calculates and converts the acquired liquid level signals of the oil tank of the acquisition hydraulic station into liquid level data. In this application, liquid level data is defined as sample data.
S200: selecting N adjacent liquid level data as sample data, comparing the adjacent sample data, and calculating the liquid level difference of the sample data.
And calculating the difference value between the last sample data and the first sample data according to the time sequence of sample data acquisition.
In some embodiments, the value of N is a natural number greater than or equal to 3, and N is selected to be 5 in the present application.
Comparing every two adjacent sample data, and if the recorded data is: s1, S2, S3, S4, S5; comparing the sample data as follows: calculating S2-S1, S3-S2, S4-S3 and S5-S4, and calculating the liquid level difference of S5-S1.
S300: and if the sample data of the next time is smaller than the sample data of the previous time and the corresponding liquid level difference is larger than the liquid level difference threshold value after N-1 times of continuous comparison, outputting an oil leakage signal of the oil tank of the hydraulic station.
And if S2-S1 is less than 0, S3-S2 is less than 0, S4-S3 is less than 0, S5-S4 is less than 0, and S5-S1 is more than T, judging that the oil leaks from the oil tank of the hydraulic station, and outputting a result that the oil leaks from the oil tank of the hydraulic station.
S400: otherwise, continuing to execute S200-S300.
If any item is not met in the comparison process, the oil tank of the hydraulic station does not leak oil in the time period corresponding to the selected sample data. And according to the acquired time sequence, reselecting N adjacent liquid level data as sample data, comparing the adjacent sample data, calculating the difference value between the last sample data and the first sample data according to the recorded time sequence, recording the difference value as a liquid level difference, and then performing comparison calculation.
In this process, the re-selection of the sample data can be performed according to the numerical value in the comparison process. Such as: and S4-S3 are not less than 0, the time point corresponding to S4 is taken as the first sample of the new sample data, and the next N-1 data are reselected as the new sample data. Then, comparing adjacent sample data, calculating the difference value between the last sample data and the first sample data according to the recording time sequence, and recording as the liquid level difference; and if the sample data of the next time is smaller than the sample data of the previous time and the corresponding liquid level difference is larger than the liquid level difference threshold value after N-1 times of continuous comparison, outputting an oil leakage signal of the oil tank of the hydraulic station.
The application provides a method for detecting oil leakage of an oil tank of a hydraulic station, which comprises the steps of collecting a liquid level signal of the oil tank of the hydraulic station at intervals of preset time by a signal collecting unit; the data processing module converts the liquid level signal into liquid level data; and the control module calculates whether oil leakage exists according to the liquid level data and outputs a result. Wherein, whether oil leakage exists or not is calculated according to the liquid level data, and the output result comprises: selecting N adjacent liquid level data as sample data, comparing the adjacent liquid level data, calculating the difference value between the liquid level data of the next time and the liquid level data of the previous time, and recording as a liquid level difference; and if the liquid level data of the next time is smaller than the liquid level data of the previous time and the corresponding liquid level difference is larger than the threshold value after N-1 times of continuous comparison, outputting the result as oil leakage. Through the device and the method for detecting the oil leakage of the oil tank of the hydraulic station, the liquid level of the oil tank of the hydraulic station can be monitored in real time, whether the oil tank leaks oil or not is accurately and timely judged, a good monitoring effect can be particularly achieved for the leakage of a hydraulic pipeline which often happens but is difficult to find, the fault finding and processing time is shortened, and the production efficiency is improved.
Fig. 2 is a schematic view of an oil leakage detection device for an oil tank of a hydraulic station according to an embodiment of the present application. As shown in fig. 2, an embodiment of the present application provides a device for detecting oil leakage from an oil tank of a hydraulic station, including:
and the liquid level detection unit 100 is used for detecting a liquid level signal leaked from an oil tank of the hydraulic station in real time. In some embodiments, a tank liquid level meter is arranged inside the hydraulic station oil tank to serve as a liquid level detection unit, and liquid level signals of the hydraulic station oil tank are monitored in real time.
And the signal acquisition unit 200 is connected with the liquid level detection unit 100 and is used for acquiring liquid level signals.
And the data processing module 300 is connected with the signal acquisition unit 200 and is used for performing data conversion on the liquid level signal to generate liquid level data.
And the control module 400 is connected with the data processing module 300 and is used for calculating whether oil leakage exists according to the liquid level data and outputting a result. And the control module 400 is further configured to set a predetermined time interval and a liquid level difference threshold, and the control module 400 is connected to the signal acquisition unit 200 and configured to control the signal acquisition unit 200 to acquire liquid level data of the oil tank of the hydraulic station according to the predetermined time interval.
The control module 400 selects N adjacent liquid level data as sample data, compares the adjacent sample data, and calculates a difference between the last sample data and the first sample data according to the recording time sequence, and records the difference as a liquid level difference. In some embodiments, the value of N is a natural number greater than or equal to 3, and N is selected to be 5 in the present application.
Comparing every two adjacent sample data, and if the recorded data is: s1, S2, S3, S4, S5; comparing the sample data as follows: calculating S2-S1, S3-S2, S4-S3 and S5-S4, and calculating the liquid level difference of S5-S1.
And if the sample data of the next time is smaller than the sample data of the previous time and the corresponding liquid level difference is larger than the liquid level difference threshold value after N-1 times of continuous comparison, outputting an oil leakage signal of the oil tank of the hydraulic station.
And if S2-S1 is less than 0, S3-S2 is less than 0, S4-S3 is less than 0, S5-S4 is less than 0, and S5-S1 is more than T, judging that the oil leaks from the oil tank of the hydraulic station, and outputting a result that the oil leaks from the oil tank of the hydraulic station.
If any item is not met in the comparison process, the oil tank of the hydraulic station does not leak oil in the time period corresponding to the selected sample data. And according to the acquired time sequence, reselecting N adjacent liquid level data as sample data, comparing the adjacent sample data, calculating the difference value between the last sample data and the first sample data according to the recorded time sequence, recording the difference value as a liquid level difference, and then performing comparison calculation.
In this process, the re-selection of the sample data can be performed according to the numerical value in the comparison process. Such as: and S4-S3 are not less than 0, the time point corresponding to S4 is taken as the first sample of the new sample data, and the next N-1 data are reselected as the new sample data. Then, comparing adjacent sample data, calculating the difference value between the last sample data and the first sample data according to the recording time sequence, and recording as the liquid level difference; and if the sample data of the next time is smaller than the sample data of the previous time and the corresponding liquid level difference is larger than the liquid level difference threshold value after N-1 times of continuous comparison, outputting an oil leakage signal of the oil tank of the hydraulic station.
In some embodiments, the oil leakage detection device for the oil tank of the hydraulic station further includes: and the display module 500 is connected with the control module 400 and is used for performing visual display according to the output result. Specifically, the display module 500 may be an industrial display screen, and performs display according to the calculation result of the control module 400. For example, the method can be used for visually displaying whether the oil leakage of the hydraulic tank occurs or not, or displaying the current liquid level data of the hydraulic tank in terms of characters or images, or displaying the trend of the liquid level data of the hydraulic tank in terms of characters or images, and the like. The method can be specifically set according to the actual needs of the field.
In some embodiments, the oil leakage detection device for the oil tank of the hydraulic station further includes: and the alarm module 600 is connected with the control module 400, and emits an audible and visual alarm when the output result is oil leakage. Further, the alarm module 600 is an audible and visual alarm.
The application provides a method and a device for detecting oil leakage of an oil tank of a hydraulic station, wherein a signal acquisition unit is used for acquiring a liquid level signal of the oil tank of the hydraulic station at intervals of preset time; the data processing module converts the liquid level signal into liquid level data; and the control module calculates whether oil leakage exists according to the liquid level data and outputs a result. Wherein, whether oil leakage exists or not is calculated according to the liquid level data, and the output result comprises: selecting N adjacent liquid level data as sample data, comparing the adjacent liquid level data, calculating the difference value between the liquid level data of the next time and the liquid level data of the previous time, and recording as a liquid level difference; and if the liquid level data of the next time is smaller than the liquid level data of the previous time and the corresponding liquid level difference is larger than the threshold value after N-1 times of continuous comparison, outputting the result as oil leakage. Through the device and the method for detecting the oil leakage of the oil tank of the hydraulic station, the liquid level of the oil tank of the hydraulic station can be monitored in real time, whether the oil tank leaks oil or not is accurately and timely judged, a good monitoring effect can be particularly achieved for the leakage of a hydraulic pipeline which often happens but is difficult to find, the fault finding and processing time is shortened, and the production efficiency is improved.
Since the above embodiments are all described by referring to and combining with other embodiments, the same portions are provided between different embodiments, and the same and similar portions between the various embodiments in this specification may be referred to each other. And will not be described in detail herein.
It should be noted that, in the present specification, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a circuit structure, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such circuit structure, article, or apparatus. Without further limitation, the presence of an element identified by the phrase "comprising an … …" does not exclude the presence of other like elements in a circuit structure, article or device comprising the element.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
The above-described embodiments of the present application do not limit the scope of the present application.
Claims (8)
1. A method for detecting oil leakage of an oil tank of a hydraulic station is characterized by comprising the following steps:
collecting liquid level data of a hydraulic station oil tank at preset time intervals;
selecting N adjacent liquid level data as sample data, comparing the adjacent sample data, and calculating the liquid level difference of the sample data;
if the sample data of the next time is smaller than the sample data of the previous time and the corresponding liquid level difference is larger than the liquid level difference threshold value after N-1 times of continuous comparison, outputting an oil leakage signal of the oil tank of the hydraulic station;
otherwise, continuously selecting N adjacent liquid level data as sample data, and comparing the adjacent sample data.
2. The method for detecting the oil leakage of the oil tank of the hydraulic station according to claim 1, wherein the liquid level difference is a difference value between the last sample data and the first sample data according to a time sequence of sample data acquisition.
3. The method according to claim 2, wherein the predetermined time interval is 4 seconds.
4. The method for detecting oil leakage from an oil tank of a hydraulic station according to claim 1, wherein the outputting the oil leakage signal from the oil tank of the hydraulic station further comprises: an audible and visual alarm occurs.
5. The utility model provides a hydraulic pressure station oil tank oil leak detection device which characterized in that includes: the liquid level detection unit is used for detecting a liquid level signal leaked from an oil tank of the hydraulic station in real time;
the signal acquisition unit is connected with the liquid level detection unit and is used for acquiring the liquid level signal;
the data processing module is connected with the signal acquisition unit and used for performing data conversion on the liquid level signal to generate liquid level data;
the control module is connected with the data processing module and used for calculating whether oil leakage exists or not according to the liquid level data and outputting a result;
wherein, whether oil leakage exists or not is calculated according to the liquid level data, and the output result comprises: comparing adjacent liquid level data, calculating the difference value between the liquid level data of the next time and the liquid level data of the previous time, and recording as a liquid level difference;
and if the liquid level data of the next time is smaller than the liquid level data of the previous time and the corresponding liquid level difference is larger than the threshold value through continuous four times of comparison, outputting a result that the oil leakage occurs.
6. The device for detecting oil leakage from a hydraulic station tank of claim 5, further comprising: and the display module is connected with the control module and used for carrying out visual display according to the output result.
7. The device for detecting oil leakage from a hydraulic station tank of claim 5, further comprising: and the alarm module is connected with the control module and gives out sound and light alarm when the output result is oil leakage.
8. The oil leakage detection device for the oil tank of the hydraulic station as claimed in claim 7, wherein the alarm module is an audible and visual alarm.
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE60218718D1 (en) * | 2001-09-18 | 2007-04-19 | Atlas Copco Rock Drills Ab | METHOD FOR RESTRICTING LEAKAGE OF HYDRAULIC OIL IN A ROCKING DEVICE |
| CN103913282A (en) * | 2014-04-11 | 2014-07-09 | 中冶南方工程技术有限公司 | Leakage detection method for closed circulating water system of calcium carbide furnace |
| CN105570234A (en) * | 2015-09-25 | 2016-05-11 | 北汽福田汽车股份有限公司 | Device and method for detecting hydraulic oil leakage |
| CN105890844A (en) * | 2016-06-11 | 2016-08-24 | 税爱社 | Qualitative and quantitative detection method for tiny leakage of hidden oil storage tank |
| CN107727191A (en) * | 2017-10-23 | 2018-02-23 | 华能海南发电股份有限公司 | A kind of liquid level lifts alarm method |
| CN108006017A (en) * | 2018-01-02 | 2018-05-08 | 攀钢集团攀枝花钢钒有限公司 | Hot continuous rolling skin pass mill group hydraulic station real-time level tracking and controlling method |
| JP2018204784A (en) * | 2017-06-02 | 2018-12-27 | 株式会社ユーテック | Hydraulic cylinder device and working fluid leakage detection method of hydraulic cylinder device |
| CN110542520A (en) * | 2019-09-29 | 2019-12-06 | 潍柴动力股份有限公司 | engine liquid leakage monitoring method and system |
| CN110615196A (en) * | 2019-08-29 | 2019-12-27 | 青岛澳科仪器有限责任公司 | Oiling machine leakage detection and air return fault detection system |
| CN110823482A (en) * | 2019-11-22 | 2020-02-21 | 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 |
| CN111197517A (en) * | 2019-12-03 | 2020-05-26 | 一汽解放汽车有限公司 | Fault diagnosis method and device for urea tank, vehicle and storage medium |
| CN111425281A (en) * | 2020-04-01 | 2020-07-17 | 北京理工新源信息科技有限公司 | Diesel vehicle refueling or urea adding behavior detection method and system |
| CN111486925A (en) * | 2020-04-17 | 2020-08-04 | 三一重机有限公司 | Vehicle fuel level measuring method, measuring device and readable storage medium |
| CN112032571A (en) * | 2020-09-07 | 2020-12-04 | 宜昌湖蓝科技开发有限公司 | Underground drainage pipe network leakage detection alarm device and use method thereof |
-
2021
- 2021-01-22 CN CN202110089385.3A patent/CN112833067A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE60218718D1 (en) * | 2001-09-18 | 2007-04-19 | Atlas Copco Rock Drills Ab | METHOD FOR RESTRICTING LEAKAGE OF HYDRAULIC OIL IN A ROCKING DEVICE |
| CN103913282A (en) * | 2014-04-11 | 2014-07-09 | 中冶南方工程技术有限公司 | Leakage detection method for closed circulating water system of calcium carbide furnace |
| CN105570234A (en) * | 2015-09-25 | 2016-05-11 | 北汽福田汽车股份有限公司 | Device and method for detecting hydraulic oil leakage |
| CN105890844A (en) * | 2016-06-11 | 2016-08-24 | 税爱社 | Qualitative and quantitative detection method for tiny leakage of hidden oil storage tank |
| JP2018204784A (en) * | 2017-06-02 | 2018-12-27 | 株式会社ユーテック | Hydraulic cylinder device and working fluid leakage detection method of hydraulic cylinder device |
| CN107727191A (en) * | 2017-10-23 | 2018-02-23 | 华能海南发电股份有限公司 | A kind of liquid level lifts alarm method |
| CN108006017A (en) * | 2018-01-02 | 2018-05-08 | 攀钢集团攀枝花钢钒有限公司 | Hot continuous rolling skin pass mill group hydraulic station real-time level tracking and controlling method |
| CN110615196A (en) * | 2019-08-29 | 2019-12-27 | 青岛澳科仪器有限责任公司 | Oiling machine leakage detection and air return fault detection system |
| CN110542520A (en) * | 2019-09-29 | 2019-12-06 | 潍柴动力股份有限公司 | engine liquid leakage monitoring method and system |
| CN110823482A (en) * | 2019-11-22 | 2020-02-21 | 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 |
| CN111197517A (en) * | 2019-12-03 | 2020-05-26 | 一汽解放汽车有限公司 | Fault diagnosis method and device for urea tank, vehicle and storage medium |
| CN111425281A (en) * | 2020-04-01 | 2020-07-17 | 北京理工新源信息科技有限公司 | Diesel vehicle refueling or urea adding behavior detection method and system |
| CN111486925A (en) * | 2020-04-17 | 2020-08-04 | 三一重机有限公司 | Vehicle fuel level measuring method, measuring device and readable storage medium |
| CN112032571A (en) * | 2020-09-07 | 2020-12-04 | 宜昌湖蓝科技开发有限公司 | Underground drainage pipe network leakage detection alarm device and use method thereof |
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Application publication date: 20210525 |