CN205374418U - Multiple sensor fusion's SF6 analyte on -line monitoring device - Google Patents
Multiple sensor fusion's SF6 analyte on -line monitoring device Download PDFInfo
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- CN205374418U CN205374418U CN201620115952.2U CN201620115952U CN205374418U CN 205374418 U CN205374418 U CN 205374418U CN 201620115952 U CN201620115952 U CN 201620115952U CN 205374418 U CN205374418 U CN 205374418U
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Abstract
The utility model discloses a multiple sensor fusion's SF6 analyte on -line monitoring device, including four -way connection, measuring chamber and drive room, the left interface of four -way connection links to each other through left check valve and GIS equipment, and the right interface of four -way connection is equipped with right check valve, the measuring chamber is installed on the last interface of four -way connection, is equipped with gas monitoring device and signal processor in the measuring chamber, and gas monitoring device links to each other with signal processor, and signal processor's signal output line draws forth through the lead wire interface of measuring chamber, install on the lower interface of four -way connection the drive room, drives the indoor fan that is equipped with, and drive room bottom interface is linked together through stainless steel pipeline and measuring chamber top interface. The utility model discloses a content of a plurality of sensors measuring multi -gas composition has reduced the cross interference between multi -gas, and simultaneously at the indoor fan that is equipped with of drive, drive SF6 gas is installing the inside circulation flow that carries on, and the gaseous gas that makes that flows is more even, and it is more accurate to measure.
Description
Technical field
This utility model relates to electric power detection apparatus field, particularly to the SF6 analyte on-Line Monitor Device that one kind of multiple sensors merge.
Background technology
GIS device adopts SF6 as insulation and arc-extinguishing medium, and its excellent specific property is also mainly derived from the high electric strength of SF6 and strong arc extinction performance characteristic.SF6 chemical property is extremely stable, be a kind of do not fire, odorless, nontoxic noble gas, density is about 5 times of air, and its decomposition temperature is about more than 5000C.When GIS device exists electric discharge or overheating fault, SF6 gas can be caused to decompose to a certain extent, produce analyte such as SO2,H2S, HF etc., not only cause GIS device insulating properties to reduce, it is also possible to cause serious fault.Therefore, by detection SF6 gas decomposition product content, discovering device Hidden fault and fault location are had very great help.
At present, in GIS device, SF6 gas decomposition product detection method mainly has gas chromatography, infrared absorption spectroscopy, detection tube method, electrochemical process etc..These methods are typically with hand-held analyzer and detect.Detecting device is as shown in Figure 1, during detection, being received by bleeder pipe one end and take gas on the non-return valve 23 in GIS device, control SF6 by flow valve 21 and enter the flow of hand-held analyzer, hand-held analyzer has been analyzed rear SF6 gas and has been discharged in air by exhaustor 22.This kind of device detection catabolite is adopted to have following defects that 1. is all relatively larger due to analytical tool volume, it is typically with off-line type, namely regularly hand-held analyzer is linked in GIS device and carries out sampling and testing, the distribution situation of GIS device internal breakup thing can not be monitored in real time, the SF6 gas simultaneously tested is directly discharged in air, and SF6 is greenhouse gases, it is discharged in air and can cause greenhouse effect；2.SF6 analyte comprises the multiple analyte such as SO2, H2S, HF, when adopting single-sensor detection, sensor can be caused cross interference, cause that accuracy of measurement reduces between multiple analyte；3. gas componant detection typically requires the gas of flowing, and the SF6 gas in GIS device is static, and prior art is difficult to stationary gas is detected, thus realizing on-line monitoring.
Summary of the invention
In order to solve above-mentioned technical problem, this utility model provides the SF6 analyte on-Line Monitor Device of the Multi-sensor fusion that a kind of certainty of measurement is high, pollution-free, can monitor in real time.
This utility model solves the technical scheme of the problems referred to above: the SF6 analyte on-Line Monitor Device that one kind of multiple sensors merge, including four-way connection, measuring chamber and drive chamber, the left interface of described four-way connection is connected with GIS device by left non-return valve, the right interface of four-way connection is provided with right non-return valve, described measuring chamber is arranged on the upper interface of four-way connection, gas controlling device and signal processor it is provided with in measuring chamber, gas controlling device is connected with signal processor, the output line of signal processor is drawn by the pin interfaces of measuring chamber, described drive chamber is arranged on the lower interface of four-way connection, fan it is provided with in drive chamber, drive chamber's bottom interface is connected with measuring chamber top interface by stainless steel pipes.
In the SF6 analyte on-Line Monitor Device of above-mentioned Multi-sensor fusion, described gas controlling device includes hydrogen sulfide sensor, SO 2 sensor, carbon monoxide transducer and electrochemical sensor of hydrogen, and hydrogen sulfide sensor, SO 2 sensor, carbon monoxide transducer are connected with signal processor with the signal output part of electrochemical sensor of hydrogen.
The beneficial effects of the utility model are in that: this utility model adopts the content of multiple sensors detection multiple gases composition, reduce the cross interference between multiple gases, in drive chamber, it is provided with fan simultaneously, driving SF6 gas to be circulated flowing inside device, the gas of flowing makes gas evenly, and it is more accurate to measure, owing to gas adopts internal recycle, the analyte of SF6 gas need not be discharged in air, air will not be polluted, be more beneficial for environmental protection.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing SF6 gas decomposition product detecting device.
Fig. 2 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is further described.
As in figure 2 it is shown, this utility model includes four-way connection 8, measuring chamber 7 and drive chamber 12, the left interface of described four-way connection 8 is connected with GIS device 13 by left non-return valve 9, the SF6 gas of sampling the inside；The right interface of four-way connection 8 is provided with right non-return valve 10, QI invigorating during for air pressure deficiency；Described measuring chamber 7 is arranged on the upper interface of four-way connection 8, gas controlling device and signal processor 2 it is provided with in measuring chamber 7, gas controlling device includes hydrogen sulfide sensor 1-1, SO 2 sensor 1-2, carbon monoxide transducer 1-3 and electrochemical sensor of hydrogen 1-4, hydrogen sulfide sensor 1-1, SO 2 sensor 1-2, the signal output part of carbon monoxide transducer 1-3 and electrochemical sensor of hydrogen 1-4 is connected with signal processor 2, the output line of signal processor 2 is drawn by the pin interfaces 3 of measuring chamber 7, described drive chamber 12 is arranged on the lower interface of four-way connection 8, fan 6 it is provided with in drive chamber 12, the bottom interface 11 of drive chamber 12 is connected with the top interface 4 of measuring chamber 7 by stainless steel pipes 14.
nullOperation principle of the present utility model is as follows: open left non-return valve 9，The SF6 analyte of GIS device 13 enters in the cavity 5 of four-way connection 8，Under the effect of fan 6，Analyte enters measuring chamber 8，Then successively through the top interface 4 of measuring chamber 7、Stainless steel pipes 14、The bottom interface 11 of drive chamber 12、The cavity 5 of four-way connection 8 is flowed back in drive chamber 12，Thus forming a gas circulation loop，Hydrogen sulfide sensor 1-1 in measuring chamber 8、SO 2 sensor 1-2、Carbon monoxide transducer 1-3 and electrochemical sensor of hydrogen 1-4 detects hydrogen sulfide respectively、Sulfur dioxide、Carbon monoxide、The concentration of four kinds of gas componants of electrochemical hydrogen，And concentration signal is sent into signal processor 2，Signal processor 2 is to signal shaping、Amplify、After Filtering Processing, signal is drawn from output line.
Claims (2)
1. the SF6 analyte on-Line Monitor Device that one kind of multiple sensors merge, it is characterized in that: include four-way connection, measuring chamber and drive chamber, the left interface of described four-way connection is connected with GIS device by left non-return valve, the right interface of four-way connection is provided with right non-return valve, described measuring chamber is arranged on the upper interface of four-way connection, gas controlling device and signal processor it is provided with in measuring chamber, gas controlling device is connected with signal processor, the output line of signal processor is drawn by the pin interfaces of measuring chamber, described drive chamber is arranged on the lower interface of four-way connection, fan it is provided with in drive chamber, drive chamber's bottom interface is connected with measuring chamber top interface by stainless steel pipes.
2. the SF6 analyte on-Line Monitor Device of Multi-sensor fusion according to claim 1, it is characterized in that: described gas controlling device includes hydrogen sulfide sensor, SO 2 sensor, carbon monoxide transducer and electrochemical sensor of hydrogen, and hydrogen sulfide sensor, SO 2 sensor, carbon monoxide transducer are connected with signal processor with the signal output part of electrochemical sensor of hydrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620115952.2U CN205374418U (en) | 2016-02-04 | 2016-02-04 | Multiple sensor fusion's SF6 analyte on -line monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620115952.2U CN205374418U (en) | 2016-02-04 | 2016-02-04 | Multiple sensor fusion's SF6 analyte on -line monitoring device |
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| Publication Number | Publication Date |
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| CN205374418U true CN205374418U (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620115952.2U Expired - Fee Related CN205374418U (en) | 2016-02-04 | 2016-02-04 | Multiple sensor fusion's SF6 analyte on -line monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297958A (en) * | 2018-11-13 | 2019-02-01 | 国网四川省电力公司成都供电公司 | It is a kind of for monitoring the colour developing prior-warning device of SF6 Electric Power Equipment Insulation gas decomposition product in real time |
-
2016
- 2016-02-04 CN CN201620115952.2U patent/CN205374418U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297958A (en) * | 2018-11-13 | 2019-02-01 | 国网四川省电力公司成都供电公司 | It is a kind of for monitoring the colour developing prior-warning device of SF6 Electric Power Equipment Insulation gas decomposition product in real time |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20170204 |
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| CF01 | Termination of patent right due to non-payment of annual fee |