CN111307376A - Method and system for detecting GIS gas leakage - Google Patents
Method and system for detecting GIS gas leakage Download PDFInfo
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- CN111307376A CN111307376A CN202010144129.5A CN202010144129A CN111307376A CN 111307376 A CN111307376 A CN 111307376A CN 202010144129 A CN202010144129 A CN 202010144129A CN 111307376 A CN111307376 A CN 111307376A
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Abstract
The method and the system for detecting the gas leakage of the GIS comprise a gas sensor, an acquisition card, an industrial personal computer and a buzzer, wherein the gas sensor is used for acquiring a gas signal of the detected GIS, the acquisition card and the industrial personal computer are used for monitoring the gas signal of the detected GIS on line and storing data at intervals, the buzzer sends out different levels of chirping sounds according to different levels of command signals given by the industrial personal computer, the industrial personal computer analyzes the gas signal through a fuzzy control algorithm, classifies the gas signal and obtains the different levels of command signals, and leakage states of different levels are judged; the GIS gas leakage condition can be detected on line in real time, response reminding is made in time, timeliness and accuracy of response when a leakage accident happens are improved, corresponding measures are made in time, and situation deterioration is prevented.
Description
Technical Field
The application relates to the field of equipment detection, in particular to a method and a system for detecting GIS gas leakage.
Background
GAS INSULATED metal enclosed SWITCHGEAR (GIS) is increasingly used in modern electrical power engineering, and it is particularly important to detect GAS leakage in GIS in order to ensure the safe operation of GIS and reduce the potential safety hazard.
In the operation process of the GIS, sulfur hexafluoride gas is inert and widely used as an insulating medium of high-voltage electrical equipment, but the sulfur hexafluoride gas is absorbed too much to suffocate people, the sulfur hexafluoride gas is dispersed in the air and can also cause serious pollution to the surrounding environment, and the detection of the sulfur hexafluoride gas by using a Feijul sensor is very common at present and is applied to the state monitoring of electrical equipment.
However, many GIS leakage detection at present only analyze and process by sense organs within a certain time, but because of uncertainty of GIS fault, operation and maintenance personnel can not detect GIS leakage during regular detection, and further cannot timely take countermeasures to prevent situation deterioration.
Disclosure of Invention
The application provides a method and a system for detecting GIS gas leakage, which can realize online real-time monitoring of GIS gas leakage aiming at the defect problem of the existing GIS gas leakage acquisition mode, and can store data once at intervals to process and analyze the data.
In order to achieve the above purpose, the embodiments of the present application adopt the following technical solutions:
in a first aspect, a method for detecting GIS gas leakage is provided, comprising:
acquiring a gas signal of the detected GIS;
monitoring the gas signal of the detected GIS on line, and storing data at intervals;
analyzing the gas signals through a fuzzy control algorithm, classifying the gas signals and obtaining instruction signals of different grades, wherein the classification of the gas signals is divided into a non-leakage state grade, a slight leakage state grade and a severe leakage state grade;
and judging the leakage states of different levels according to the instruction signals of different levels.
Optionally, the classification of the gas signal is divided into a no-leakage state signal, a slight-leakage state signal and a severe-leakage state signal:
the level of the non-leakage state is 0g/m after the fuzzy control algorithm3The gas signal of (a);
the grade of the slight leakage state is 0g/m after the fuzzy control algorithm3-7.5g/m3Gas signal in between;
the severe leakage state level is more than 7.5g/m after the fuzzy control algorithm3The gas signal of (1).
Optionally, the gas signals are classified and different levels of command signals are obtained:
the non-leakage state level corresponds to a non-reaction instruction signal;
the slight leakage state level corresponds to a mild instruction signal;
the severe leakage state level corresponds to a jerky command signal.
In a second aspect, a system for detecting GIS gas leakage is provided, which comprises a gas sensor, a collecting card, an industrial personal computer and a buzzer,
the gas sensor is fixed on an interface of a shell of the detected GIS through a magnetic seat and is used for acquiring a gas signal of the detected GIS;
the input end of the acquisition card is connected with the gas sensor, and the output end of the acquisition card is connected with the industrial personal computer, and the acquisition card is used for monitoring the gas signal of the detected GIS on line and storing data at intervals;
the buzzer is connected with the industrial personal computer, sends out different levels of buzzing sounds according to different levels of command signals given by the industrial personal computer, analyzes the gas signals through a fuzzy control algorithm, classifies the gas signals, obtains the different levels of command signals, and judges the leakage states of different levels.
Optionally, the acquisition card is an NI9234 acquisition card.
Optionally, the gas sensor is a fegaro sensor.
Optionally, the input end of the acquisition card is connected to the gas sensor: and the input end of the acquisition card is connected with the gas sensor through a BNC electrical conversion head.
Optionally, the output end of the acquisition card is connected with the industrial personal computer: and the output end of the acquisition card is connected with the industrial personal computer through a USB interface.
Optionally, the acquisition card is used for converting and transmitting the gas signal acquired by the gas sensor to the industrial personal computer.
Optionally, the buzzer sends out different levels of buzzing sounds, and the different levels of buzzing sounds can be in a non-reaction state, a gentle buzzing sound and a rapid buzzing sound.
The method and the system for detecting the GIS gas leakage provided by the embodiment of the application comprise a gas sensor, a collecting card, an industrial personal computer and a buzzer, the gas sensor is fixed on an interface of a shell of the detected GIS through a magnetic seat, used for acquiring the gas signal of the detected GIS, the input end of the acquisition card is connected with the gas sensor, the output end of the acquisition card is connected with the industrial personal computer, used for monitoring the gas signal of the detected GIS on line and storing data at intervals, the buzzer is connected with the industrial personal computer, sending out different levels of chirping sounds according to different levels of command signals given by the industrial personal computer, analyzing the gas signals by a fuzzy control algorithm, classifying the gas signals, obtaining the instruction signals of different grades, and judging the leakage states of different grades; the GIS gas leakage condition can be detected on line in real time, response reminding is made in time, the response accuracy when a leakage accident happens is improved, corresponding measures are made in time, and situation deterioration is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a method for detecting GIS gas leakage according to an embodiment of the present disclosure;
fig. 2 is a structural diagram of a system for detecting GIS gas leakage according to an embodiment of the present disclosure;
fig. 3 is a block diagram of another system for detecting GIS gas leakage according to an embodiment of the present disclosure.
Wherein: 1-a gas sensor; 2, collecting card; 3-an industrial personal computer; 4-a buzzer; 11-a fexoul sensor; 21-NI9234 acquisition card.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, 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 partial embodiments of the present application, but not all 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.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The present application is described in further detail below with reference to the attached drawing figures:
example one
The embodiment of the application provides a method for detecting GIS gas leakage, which is used in the field of equipment detection and is shown in figure 1, and the method for detecting GIS gas leakage comprises the following steps:
101. and acquiring a gas signal of the detected GIS.
102. And monitoring the gas signal of the detected GIS on line, and storing data at intervals.
103. And analyzing the gas signals through a fuzzy control algorithm, classifying the gas signals and obtaining instruction signals of different grades, wherein the classification of the gas signals is divided into a non-leakage state grade, a slight leakage state grade and a severe leakage state grade.
Specifically, the classification of the gas signal is divided into a no-leak state signal, a slight-leak state signal, and a severe-leak state signal:
the level of the non-leakage state is 0g/m after the fuzzy control algorithm3The gas signal of (a);
the grade of the slight leakage state is 0g/m after the fuzzy control algorithm3-7.5g/m3Gas signal in between;
the severe leakage state level is more than 7.5g/m after the fuzzy control algorithm3The gas signal of (1).
104. And judging the leakage states of different levels according to the instruction signals of different levels.
Specifically, the gas signals are classified and different levels of command signals are obtained:
the non-leakage state level corresponds to a non-reaction instruction signal;
the slight leakage state level corresponds to a mild instruction signal;
the severe leakage state level corresponds to a jerky command signal.
The method for detecting the gas leakage of the GIS comprises the steps of obtaining a gas signal of the detected GIS, monitoring the gas signal of the detected GIS on line, storing data at intervals, analyzing the gas signal through a fuzzy control algorithm, classifying the gas signal to obtain instruction signals of different grades, classifying the gas signal into a non-leakage state grade, a slight leakage state grade and a serious leakage state grade, and judging the leakage states of the different grades according to the instruction signals of the different grades; the GIS gas leakage condition can be detected on line in real time, response reminding is made in time, the response accuracy when a leakage accident happens is improved, corresponding measures are made in time, and situation deterioration is prevented.
Example two
The embodiment of the application provides a system for detecting GIS gas leakage for equipment detection field, refer to fig. 2 and show, a system for detecting GIS gas leakage includes: the device comprises a gas sensor 1, a collection card 2, an industrial personal computer 3 and a buzzer 4.
The gas sensor 1 is fixed on an interface of a shell of the detected GIS through a magnetic seat and is used for acquiring a gas signal of the detected GIS.
Specifically, the gas sensor 1 is a fegaro sensor.
The input end of the acquisition card 2 is connected with the gas sensor 1, and the output end of the acquisition card 2 is connected with the industrial personal computer 3, and the acquisition card is used for monitoring the gas signal of the detected GIS on line and storing data at intervals. The occupation ratio of the storage space of the industrial personal computer 3 is reduced.
Specifically, the input end of the acquisition card 2 is connected with the gas sensor 1 through a BNC electrical conversion head, and the output end of the acquisition card 2 is connected with the industrial personal computer 3 through a USB interface.
Specifically, the acquisition card 2 is an NI9234 acquisition card. The acquisition card 2 is used for converting and transmitting the gas signals acquired by the gas sensor 1 to the industrial personal computer 3.
The buzzer 4 is connected with the industrial personal computer 3, sends out different levels of buzzing sounds according to different levels of command signals given by the industrial personal computer 3, analyzes the gas signals through a fuzzy control algorithm, classifies the gas signals, obtains the different levels of command signals, and judges different levels of leakage states.
Specifically, the buzzer 4 emits different levels of buzzing sounds, and the different levels of buzzing sounds can be in a non-reaction state, a gentle buzzing sound and a rapid buzzing sound.
Referring to fig. 3, in actual operation, the feijul sensor 11 is fixed on the periphery of the interface of the GIS housing through the magnetic base, the condition of the interface of the GIS device is detected, the gas signal of the detected GIS is acquired through the NI9234 acquisition card 21, the data is stored at intervals through the industrial computer 3, the gas signal is analyzed through the fuzzy control algorithm, the gas signal is classified, the command signals of different grades are obtained, and if 0g/m is detected, the command signals of different grades are obtained3When no gas leaks, the buzzer 4 does not react; if GIS appears 0g/m3-7.5g/m3When the leakage is slight, the buzzer 4 gives out a gentle sound; if GIS is more than 7.5g/m3In case of a serious leakage, the buzzer 4 sounds abruptly.
The system for detecting GIS gas leakage provided by the embodiment of the application comprises a gas sensor, a collecting card, an industrial personal computer and a buzzer, the gas sensor is fixed on an interface of a shell of the detected GIS through a magnetic seat, used for acquiring the gas signal of the detected GIS, the input end of the acquisition card is connected with the gas sensor, the output end of the acquisition card is connected with the industrial personal computer, used for monitoring the gas signal of the detected GIS on line and storing data at intervals, the buzzer is connected with the industrial personal computer, sending out different levels of chirping sounds according to different levels of command signals given by the industrial personal computer, analyzing the gas signals by a fuzzy control algorithm, classifying the gas signals, obtaining the instruction signals of different grades, and judging the leakage states of different grades; the GIS gas leakage condition can be detected on line in real time, response reminding is made in time, the response accuracy when a leakage accident happens is improved, corresponding measures are made in time, and situation deterioration is prevented.
The above-mentioned contents are only for explaining the technical idea of the present application, and the protection scope of the present application is not limited thereby, and any modification made on the basis of the technical idea presented in the present application falls within the protection scope of the claims of the present application.
Additionally, the order in which elements and sequences of the processes described herein are processed, the use of alphanumeric characters, or the use of other designations, is not intended to limit the order of the processes and methods described herein, unless explicitly claimed. While various presently contemplated embodiments of the invention have been discussed in the foregoing disclosure by way of example, it is to be understood that such detail is solely for that purpose and that the appended claims are not limited to the disclosed embodiments, but, on the contrary, are intended to cover all modifications and equivalent arrangements that are within the spirit and scope of the embodiments herein. For example, although the system components described above may be implemented by hardware devices, they may also be implemented by software-only solutions, such as installing the described system on an existing server or mobile device.
Similarly, it should be noted that in the preceding description of embodiments of the application, various features are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure aiding in the understanding of one or more of the embodiments. This method of disclosure, however, is not intended to require more features than are expressly recited in the claims. Indeed, the embodiments may be characterized as having less than all of the features of a single embodiment disclosed above.
The entire contents of each patent, patent application publication, and other material cited in this application, such as articles, books, specifications, publications, documents, and the like, are hereby incorporated by reference into this application. Except where the application is filed in a manner inconsistent or contrary to the present disclosure, and except where the claim is filed in its broadest scope (whether present or later appended to the application) as well. It is noted that the descriptions, definitions and/or use of terms in this application shall control if they are inconsistent or contrary to the statements and/or uses of the present application in the material attached to this application.
Claims (10)
1. A method of detecting GIS gas leaks, comprising:
acquiring a gas signal of the detected GIS;
monitoring the gas signal of the detected GIS on line, and storing data at intervals;
analyzing the gas signals through a fuzzy control algorithm, classifying the gas signals and obtaining instruction signals of different grades, wherein the classification of the gas signals is divided into a non-leakage state grade, a slight leakage state grade and a severe leakage state grade;
and judging the leakage states of different levels according to the instruction signals of different levels.
2. The method of claim 1, wherein the classification of the gas signal is classified into a no-leak state signal, a light-leak state signal and a severe-leak state signal:
the level of the non-leakage state is 0g/m after the fuzzy control algorithm3The gas signal of (a);
the grade of the slight leakage state is 0g/m after the fuzzy control algorithm3-7.5g/m3Gas signal in between;
the severe leakage state level is more than 7.5g/m after the fuzzy control algorithm3The gas signal of (1).
3. The method of claim 1, wherein the gas signals are classified and different levels of command signals are obtained:
the non-leakage state level corresponds to a non-reaction instruction signal;
the slight leakage state level corresponds to a mild instruction signal;
the severe leakage state level corresponds to a jerky command signal.
4. A system for detecting GIS gas leakage is characterized by comprising a gas sensor, a collecting card, an industrial personal computer and a buzzer,
the gas sensor is fixed on an interface of a shell of the detected GIS through a magnetic seat and is used for acquiring a gas signal of the detected GIS;
the input end of the acquisition card is connected with the gas sensor, and the output end of the acquisition card is connected with the industrial personal computer, and the acquisition card is used for monitoring the gas signal of the detected GIS on line and storing data at intervals;
the buzzer is connected with the industrial personal computer, sends out different levels of buzzing sounds according to different levels of command signals given by the industrial personal computer, analyzes the gas signals through a fuzzy control algorithm, classifies the gas signals, obtains the different levels of command signals, and judges the leakage states of different levels.
5. The system for detecting GIS gas leakage according to claim 4, wherein said acquisition card is NI9234 acquisition card.
6. The system for detecting GIS gas leaks of claim 4 wherein the gas sensor is a Feijul sensor.
7. The system for detecting GIS gas leakage according to claim 4, wherein the input end of the acquisition card is connected with the gas sensor:
and the input end of the acquisition card is connected with the gas sensor through a BNC electrical conversion head.
8. The system for detecting GIS gas leakage according to claim 4, wherein the output end of the acquisition card is connected with the industrial personal computer:
and the output end of the acquisition card is connected with the industrial personal computer through a USB interface.
9. The system for detecting GIS gas leakage according to claim 4, wherein the acquisition card is used for converting the gas signal acquired by the gas sensor and transmitting the converted signal to the industrial personal computer.
10. The system for detecting GIS gas leakage according to claim 4, wherein the buzzer sounds in different levels, and the different levels of sounds can be in a non-response state, a mild sound and a rapid sound.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06337996A (en) * | 1993-05-29 | 1994-12-06 | Tokyo Gas Co Ltd | Gas leakage alarm |
| CN103698478A (en) * | 2013-12-18 | 2014-04-02 | 广东电网公司潮州供电局 | SF6 (sulfur hexafluoride) gas concentration vertical distribution monitoring system in GIS (Gas Insulated Switchgear) chamber |
| KR101556604B1 (en) * | 2015-04-30 | 2015-10-05 | 주식회사 도일전기 | Gas leak detection device of indoor GIS substations |
| CN207335991U (en) * | 2017-07-25 | 2018-05-08 | 长园深瑞监测技术有限公司 | The quantitative alarm system of SF6 gases leakage |
| CN208780408U (en) * | 2018-03-28 | 2019-04-23 | 国网山西省电力公司晋中供电公司 | A kind of GIS device gas leakage sensor |
| CN109990831A (en) * | 2019-01-18 | 2019-07-09 | 中铁电气化局集团有限公司 | A kind of GIS switchgear on-line monitoring system |
| CN110836835A (en) * | 2019-10-30 | 2020-02-25 | 国网福建省电力有限公司检修分公司 | Intelligent SF6 density on-line monitoring data analysis and information feedback system |
-
2020
- 2020-03-04 CN CN202010144129.5A patent/CN111307376A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06337996A (en) * | 1993-05-29 | 1994-12-06 | Tokyo Gas Co Ltd | Gas leakage alarm |
| CN103698478A (en) * | 2013-12-18 | 2014-04-02 | 广东电网公司潮州供电局 | SF6 (sulfur hexafluoride) gas concentration vertical distribution monitoring system in GIS (Gas Insulated Switchgear) chamber |
| KR101556604B1 (en) * | 2015-04-30 | 2015-10-05 | 주식회사 도일전기 | Gas leak detection device of indoor GIS substations |
| CN207335991U (en) * | 2017-07-25 | 2018-05-08 | 长园深瑞监测技术有限公司 | The quantitative alarm system of SF6 gases leakage |
| CN208780408U (en) * | 2018-03-28 | 2019-04-23 | 国网山西省电力公司晋中供电公司 | A kind of GIS device gas leakage sensor |
| CN109990831A (en) * | 2019-01-18 | 2019-07-09 | 中铁电气化局集团有限公司 | A kind of GIS switchgear on-line monitoring system |
| CN110836835A (en) * | 2019-10-30 | 2020-02-25 | 国网福建省电力有限公司检修分公司 | Intelligent SF6 density on-line monitoring data analysis and information feedback system |
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Application publication date: 20200619 |