CN201654012U - Sulfur hexafluoride decomposition product analyzer - Google Patents
Sulfur hexafluoride decomposition product analyzer Download PDFInfo
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- CN201654012U CN201654012U CN2010200412672U CN201020041267U CN201654012U CN 201654012 U CN201654012 U CN 201654012U CN 2010200412672 U CN2010200412672 U CN 2010200412672U CN 201020041267 U CN201020041267 U CN 201020041267U CN 201654012 U CN201654012 U CN 201654012U
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Abstract
The utility model discloses a sulfur hexafluoride decomposition product analyzer. A signal acquisition unit comprises a first sensor air chamber, a second sensor air chamber and a gate valve, wherein the first sensor air chamber comprises a first sulfur dioxide sensor for measuring the concentration of sulfur dioxide in a small measuring range; the second sensor air chamber comprises a second sulfur dioxide sensor for measuring the concentration of sulfur dioxide in a large measuring range; the measuring range of the first sulfur dioxide sensor for measuring the concentration of sulfur dioxide is contained in the measuring range of the second sulfur dioxide sensor for measuring the concentration of sulfur dioxide; an air inlet of the gate valve is connected with an air inlet pipe; an outlet of the second sensor air chamber is connected with an air outlet pipe; the gate valve comprises a first gate shift which is independently communicated with the second sensor air chamber and a second gate shift through which air circuits of the first sensor air chamber and the second sensor air chamber are connected in series and communicated; single output ends of the first sulfur dioxide sensor and the second sulfur dioxide sensor are respectively connected with a first signal input end and a second signal input end of a signal processing unit; and the control signal output end of the signal processing unit is connected with the shift-adjusting control end of the gate valve.
Description
Technical field
The utility model relates to a kind of sulfur hexafluoride decomposition product analyser.
Background technology
Be illustrated in figure 1 as a kind of sulfur hexafluoride decomposition product analyser of the prior art, comprise air intake opening 1, pressure maintaining valve 2, flow control valve 3, sensor air chamber 4, exhausr port 5, electronic flow-meter 7, signal processing unit 6, air intake opening 1 is arranged on the inlet of sulfur hexafluoride decomposition product analyser draft tube, also be provided with pressure maintaining valve 2 and flow control valve 3 on the draft tube of sulfur hexafluoride decomposition product analyser, the outlet of draft tube connects the inlet of sensor air chamber 4, includes the sensor that is used to measure carbon monoxide (CO) content in the sensor air chamber 4, be used to measure sulphuric dioxide (SO
2) content sensor and be used to measure sulfuretted hydrogen (H
2S) sensor of content, the outlet of sensor air chamber 4 connects exhausr port 5 by escape pipe; In addition, the air intake opening of electronic flow-meter 7 is connected on the draft tube, and the gas outlet of electronic flow-meter 7 is connected on the escape pipe; The signal output part of sensor air chamber 4, the signal output part of electronic flow-meter connect sensing signal input end, the flow signal input end of signal processing unit respectively; Tested sulfur hexafluoride (SF
6) gas measures wherein carbon monoxide (CO) content, sulphuric dioxide (SO by sensor air chamber 4
2) content and sulfuretted hydrogen (H
2S) content, by the flow of the tested gas of electronic flow-meter 7 meterings, signal processing unit 6 is handled the signal of sending here.Because of tested sulfur hexafluoride (SF
6) sulphuric dioxide (SO that contains in the gas
2) concentration floats greatlyyer, if the sulfur dioxide concentration that sulfur hexafluoride electrical equipment contains is too high, causes poisoning, the inefficacy of SO 2 sensor in the analyser easily, causes analyser device damage even damage, influence user's use.If carrying out wide range to the sulfur dioxide concentration in the sulfur hexafluoride to be measured, sulfur hexafluoride decomposition product analyser estimates, and can avoid the sulphuric dioxide of excessive concentration that the analyser sensor is caused damage according to estimation results, will significantly reduce the probability of sulfur hexafluoride decomposition product analyser depot repair.
The utility model content
The purpose of this utility model provides a kind of sulfur hexafluoride decomposition product analyser that wide range is estimated function that has.
A kind of sulfur hexafluoride decomposition product analyser, comprise signal gathering unit, signal processing unit, wherein the signal output part of signal gathering unit connects the signal input part of signal processing unit, wherein: described signal gathering unit comprises the first sensor air chamber, the second sensor air chamber, sluice valve, the first sensor air chamber comprises first SO 2 sensor of journey measurements of sulfur dioxide concentrations law in a small amount, the second sensor air chamber comprises second SO 2 sensor of large range measuring sulfur dioxide concentration, and the range of the first SO 2 sensor measurements of sulfur dioxide concentrations law is included within the range ability of the second SO 2 sensor measurements of sulfur dioxide concentrations law; The sluice valve air intake opening connects draft tube, the outlet of the second sensor air chamber connects escape pipe, and sluice valve comprises first gating shelves of the independent connection second sensor air chamber and the second gating shelves that make the first sensor air chamber connect with the gas circuit of the second sensor air chamber and be communicated with; The signal output part of first, second SO 2 sensor connects first, second signal input part of signal processing unit respectively, and the control signal output ends of signal processing unit connects the control end of transferring the files of sluice valve.
Described sulfur hexafluoride decomposition product analyser, it is characterized in that: described sluice valve is two position four-way valves, its the 4th port connects draft tube, its first port connects the air intake opening of the second sensor air chamber, its second, third port connects air intake opening, the gas outlet of first sensor air chamber respectively, the first gating shelves of two position four-way valves are to be communicated with between the first, the 4th port, simultaneously, be communicated with between second, third port, the second gating shelves of two position four-way valves be first port with the 3rd port between be communicated with, simultaneously, be communicated with between second port and the 4th port.
Described sulfur hexafluoride decomposition product analyser is characterized in that: described first sensor air chamber also comprises the hydrogen sulfide sensor that is used to measure concentration of hydrogen sulfide, and the signal output part of hydrogen sulfide sensor connects the 3rd signal input part of signal processing unit.
Described sulfur hexafluoride decomposition product analyser, it is characterized in that: the described second sensor air chamber also comprises the carbon monoxide transducer that is used to measure carbonomonoxide concentration, and the signal output part of carbon monoxide transducer connects the 4th signal input part of signal processing unit.
Described sulfur hexafluoride decomposition product analyser, it is characterized in that: described analyser also comprises the electronic flow-meter that is arranged on the analyser gas circuit, the signal output part of electronic flow-meter connects the 5th signal input part of signal processing unit.
Described sulfur hexafluoride decomposition product analyser, it is characterized in that: described signal processing unit comprises display unit, system processor, signal processing module, wherein, system processor is connected with the signal processing module communication, and the shows signal output terminal of system processor connects the signal input part of display unit; First, second, third and fourth of signal processing module, five signal input parts connect the signal output part of first SO 2 sensor, second SO 2 sensor, hydrogen sulfide sensor, carbon monoxide transducer, electronic flow-meter respectively, and the control signal output ends of signal processing module connects the control end of transferring the files of sluice valve.
Described sulfur hexafluoride decomposition product analyser is characterized in that: also be provided with pressure maintaining valve and flow control valve on this analyser draft tube.
The utility model adopts technique scheme will reach following technique effect:
Sulfur hexafluoride decomposition product analyser of the present utility model, the sulfur dioxide concentration range of first SO 2 sensor is designed to little range, the sulfur dioxide concentration range of second SO 2 sensor is designed to wide range, the range of the first SO 2 sensor measurements of sulfur dioxide concentrations law is included within the range ability of the second SO 2 sensor measurements of sulfur dioxide concentrations law, sense sulfur dioxide concentration when being higher than the value of setting in second SO 2 sensor, send signal to signal processing unit, output control signal control sluice valve only is communicated with the second sensor air chamber after the signal processing unit processes with the gas circuit of analyser; Sense sulfur dioxide concentration when being lower than the value of setting in second SO 2 sensor, send signal to signal processing unit, output control signal control sluice valve is communicated with first, second sensor air chamber series connection and be communicated with the gas circuit of analyser after the signal processing unit processes; Like this; sulfur hexafluoride decomposition product analyser of the prior art relatively; sulfur hexafluoride decomposition product analyser of the present utility model; not only the measurement range of sulfur dioxide concentration is big; also can protect first SO 2 sensor of little range to avoid damaging because sulfur dioxide concentration is too high; so as seen, sulfur hexafluoride decomposition product analyser of the present utility model is fit to the bigger sulfur hexafluoride gas measurement of content of sulfur dioxide fluctuation ratio very much.
Description of drawings
Fig. 1 is the structured flowchart of sulfur hexafluoride decomposition product analyser in the prior art;
Fig. 2 is the structured flowchart of the utility model sulfur hexafluoride decomposition product analyser.
Embodiment
A kind of sulfur hexafluoride decomposition product analyser as shown in Figure 2, comprises air intake opening 1, exhausr port 5, pressure maintaining valve 2, flow control valve 3, electronic flow-meter 7, signal gathering unit, signal processing unit; Described signal processing unit comprises display 13, system processor 12, signal processing module 11, wherein, system processor 12 is connected with signal processing module 11 communications, the shows signal output terminal of system processor 12 connects the signal input part of display 13, signal processing unit is a prior art, repeats no more here; Pressure maintaining valve 2 and flow control valve 3 are arranged on the draft tube of analyser; The signal output part of signal gathering unit connects the signal input part of signal processing unit, wherein: described signal gathering unit comprises first sensor air chamber 9, the second sensor air chamber 10, sluice valve 8, hydrogen sulfide sensor 92, the second sensor air chambers 10 that first sensor air chamber 9 comprises first SO 2 sensor 91 of journey measurements of sulfur dioxide concentrations law in a small amount and is used to measure concentration of hydrogen sulfide comprise second SO 2 sensor 101 of large range measuring sulfur dioxide concentration and are used to measure the carbon monoxide transducer 102 of carbonomonoxide concentration; The range of first SO 2 sensor, 91 measurements of sulfur dioxide concentrations law is included within the range ability of second SO 2 sensor, 101 measurements of sulfur dioxide concentrations law; Sluice valve 8 adopts two position four-way valves, its the 4th port connects draft tube, its first port connects the air intake opening of the second sensor air chamber 10, its second, third port connects air intake opening, the gas outlet of first sensor air chamber respectively, two position four-way valves 8 have two gating shelves, its first gating shelves are to be communicated with between the first, the 4th port, simultaneously, are communicated with between second, third port; The second gating shelves of two position four-way valves 8 be first port with the 3rd port between be communicated with, simultaneously, be communicated with between second port and the 4th port.The outlet of the second sensor air chamber 10 connects escape pipe.The signal output part of first, second SO 2 sensor 91,101 connects first, second signal input part of signal processing module 11 respectively, the signal output part of hydrogen sulfide sensor 92 connects the 3rd signal input part of signal processing module 11, the signal output part of carbon monoxide transducer 102 connects the 4th signal input part of signal processing module 11, the signal output part of electronic flow-meter 7 connects the 5th signal input part of signal processing module 11, and the control signal output ends of signal processing module 11 connects the control end of transferring the files of two sluice valves 8; The air intake opening of electronic flow-meter 7 is connected on the draft tube of the second sensor air chamber 10, and the gas outlet of electronic flow-meter 7 is connected on the escape pipe of the second sensor air chamber 10.
Sulfur hexafluoride decomposition product analyser of the present utility model, the sulphuric dioxide range of first SO 2 sensor 91 is elected 0～100ppm as, the sulphuric dioxide range of second SO 2 sensor 101 is elected 0～5000ppm as, and setting value is elected 100ppm as in the present embodiment.Sense sulfur dioxide concentration when being higher than setting value 100ppm in second SO 2 sensor 101; second SO 2 sensor 101 sends signal to signal processing module 11; signal processing module 11 is passed to system processor 12 again and is handled; system processor 12 output control signals are given signal processing module 11; signal processing module 11 controls two position four-way valves 8 are got to the first gating shelves; the second sensor air chamber 10 is communicated with the gas circuit of analyser; at this moment; be communicated with between second port of two position four-way valves 8 and the 3rd port; sensor air chamber 9 is in closed state; disconnect with the gas circuit of analyser; like this; sulfur hexafluoride decomposition product analyser of the present utility model not only can protect first SO 2 sensor 91 of little range to avoid damaging because sulfur dioxide concentration is too high, and makes in the analyser sulfur dioxide concentration measure range to expand 5000ppm to.
Sense sulfur dioxide concentration when being lower than 100ppm in second SO 2 sensor 101, second SO 2 sensor 101 sends after the signal processing unit processes signal to the output control signal and controls two position four-way valves 8 and get to the second gating shelves, first, second sensor air chamber 9,10 series connection are communicated with and are communicated with the gas circuit of analyser, sensor in first, second sensor air chamber 9,10 is all in running order, first SO 2 sensor 91 is less because of its range, and measured value can be more accurate.
So as seen, sulfur hexafluoride decomposition product analyser of the present utility model is fit to the bigger sulfur hexafluoride gas of content of sulfur dioxide fluctuation ratio very much to be measured, and is fit to on-the-spot actual measurement more.
Claims (7)
1. sulfur hexafluoride decomposition product analyser, comprise signal gathering unit, signal processing unit, wherein the signal output part of signal gathering unit connects the signal input part of signal processing unit, it is characterized in that: described signal gathering unit comprises the first sensor air chamber, the second sensor air chamber, sluice valve, the first sensor air chamber comprises first SO 2 sensor of journey measurements of sulfur dioxide concentrations law in a small amount, the second sensor air chamber comprises second SO 2 sensor of large range measuring sulfur dioxide concentration, and the range of the first SO 2 sensor measurements of sulfur dioxide concentrations law is included within the range ability of the second SO 2 sensor measurements of sulfur dioxide concentrations law; The sluice valve air intake opening connects draft tube, the outlet of the second sensor air chamber connects escape pipe, and sluice valve comprises first gating shelves of the independent connection second sensor air chamber and the second gating shelves that make the first sensor air chamber connect with the gas circuit of the second sensor air chamber and be communicated with; The signal output part of first, second SO 2 sensor connects first, second signal input part of signal processing unit respectively, and the control signal output ends of signal processing unit connects the control end of transferring the files of sluice valve.
2. sulfur hexafluoride decomposition product analyser as claimed in claim 1, it is characterized in that: described sluice valve is two position four-way valves, its the 4th port connects draft tube, its first port connects the air intake opening of the second sensor air chamber, it is second years old, the 3rd port connects the air intake opening of first sensor air chamber respectively, the gas outlet, the first gating shelves of two position four-way valves are first, be communicated with between the 4th port, simultaneously, second, be communicated with between the 3rd port, the second gating shelves of two position four-way valves be first port with the 3rd port between be communicated with, simultaneously, be communicated with between second port and the 4th port.
3. sulfur hexafluoride decomposition product analyser as claimed in claim 1 or 2, it is characterized in that: described first sensor air chamber also comprises the hydrogen sulfide sensor that is used to measure concentration of hydrogen sulfide, and the signal output part of hydrogen sulfide sensor connects the 3rd signal input part of signal processing unit.
4. sulfur hexafluoride decomposition product analyser as claimed in claim 3, it is characterized in that: the described second sensor air chamber also comprises the carbon monoxide transducer that is used to measure carbonomonoxide concentration, and the signal output part of carbon monoxide transducer connects the 4th signal input part of signal processing unit.
5. sulfur hexafluoride decomposition product analyser as claimed in claim 4, it is characterized in that: described analyser also comprises the electronic flow-meter that is arranged on the analyser gas circuit, the signal output part of electronic flow-meter connects the 5th signal input part of signal processing unit.
6. sulfur hexafluoride decomposition product analyser as claimed in claim 5, it is characterized in that: described signal processing unit comprises display unit, system processor, signal processing module, wherein, system processor is connected with the signal processing module communication, and the shows signal output terminal of system processor connects the signal input part of display unit; First, second, third and fourth of signal processing module, five signal input parts connect the signal output part of first SO 2 sensor, second SO 2 sensor, hydrogen sulfide sensor, carbon monoxide transducer, electronic flow-meter respectively, and the control signal output ends of signal processing module connects the control end of transferring the files of sluice valve.
7. sulfur hexafluoride decomposition product analyser as claimed in claim 6 is characterized in that: also be provided with pressure maintaining valve and flow control valve on this analyser draft tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200412672U CN201654012U (en) | 2010-01-19 | 2010-01-19 | Sulfur hexafluoride decomposition product analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200412672U CN201654012U (en) | 2010-01-19 | 2010-01-19 | Sulfur hexafluoride decomposition product analyzer |
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| CN201654012U true CN201654012U (en) | 2010-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010200412672U Expired - Lifetime CN201654012U (en) | 2010-01-19 | 2010-01-19 | Sulfur hexafluoride decomposition product analyzer |
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| CN (1) | CN201654012U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792365A (en) * | 2015-04-21 | 2015-07-22 | 国家电网公司 | Sulfur hexafluoride gas quality field integrated detector and detection method |
| CN105911117A (en) * | 2016-07-04 | 2016-08-31 | 贵州电网有限责任公司电力科学研究院 | SF6 comprehensive analyzer-based multi-gas detection chamber and detection method thereof |
| CN106595761A (en) * | 2016-12-09 | 2017-04-26 | 河南省日立信股份有限公司 | Sulfur hexafluoride and nitrogen mixed gas decomposition product detection system and detection method therefor |
| CN108562696A (en) * | 2018-03-29 | 2018-09-21 | 北京新能联合仪器仪表厂 | A kind of hydrogen sulfide device for fast detecting |
| CN113804841A (en) * | 2021-10-14 | 2021-12-17 | 中国科学院上海高等研究院 | Portable gas concentration detection device and gas concentration detection method |
-
2010
- 2010-01-19 CN CN2010200412672U patent/CN201654012U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792365A (en) * | 2015-04-21 | 2015-07-22 | 国家电网公司 | Sulfur hexafluoride gas quality field integrated detector and detection method |
| CN105911117A (en) * | 2016-07-04 | 2016-08-31 | 贵州电网有限责任公司电力科学研究院 | SF6 comprehensive analyzer-based multi-gas detection chamber and detection method thereof |
| CN106595761A (en) * | 2016-12-09 | 2017-04-26 | 河南省日立信股份有限公司 | Sulfur hexafluoride and nitrogen mixed gas decomposition product detection system and detection method therefor |
| CN108562696A (en) * | 2018-03-29 | 2018-09-21 | 北京新能联合仪器仪表厂 | A kind of hydrogen sulfide device for fast detecting |
| CN113804841A (en) * | 2021-10-14 | 2021-12-17 | 中国科学院上海高等研究院 | Portable gas concentration detection device and gas concentration detection method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |
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| CX01 | Expiry of patent term |