CN205484022U - Gas leakage monitoring device - Google Patents
Gas leakage monitoring device Download PDFInfo
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- CN205484022U CN205484022U CN201620039422.4U CN201620039422U CN205484022U CN 205484022 U CN205484022 U CN 205484022U CN 201620039422 U CN201620039422 U CN 201620039422U CN 205484022 U CN205484022 U CN 205484022U
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Abstract
The utility model provides a gas leakage monitoring device, distribute at the gas sensor of leakage point that awaits measuring, gas strength capture card, computer and valve control switch including a plurality of, gas sensor's output passing through gases concentration capture card is connected to the computer, and the output and the valve control switch of computer are connected, gas sensor is including leaking gaseous absorption cell, spectrum detection device and photoelectric detection appearance, leaking gaseous absorption cell and including absorption tube and U -shaped pipe, the top of absorption tube is sealed, and the bottom of absorption tube and the one end that the U -shaped was managed are connected, and the other end of U -shaped pipe opens wide, is equipped with a pair of transparent peephole on the absorption tube, and spectrum detection device obtains the interior gaseous spectrum of absorption tube through transparent peephole to transmit to the photoelectric detection appearance obtaining the gas strength, the output and the gas strength capture card of photoelectric detection appearance are connected. The utility model discloses utilize the methane gas to come accurate determination methane concentration to the absorption characteristic of specific wavelength light wave, safe and reliable is applicable to high -risk place.
Description
Technical field
This utility model relates to a kind of gas leakage supervising device.
Background technology
Fiber-optic fiber gas is revealed supervising device and is used to monitor the remote distributed of concentration of natural gas in real time, and on monitoring computer interface, show the gas concentration value that each measuring point goes out in real time, and then judge whether this gas has a kind of device of generation leakage accident according to the concentration value measured.Gas leakage supervising device needs to be applicable to some Different high risk sites, and scope of measuring wants big, and height is wanted in sensitivity, installation to facilitate, in addition it is also necessary to the transmission range of signal to be grown, and general supervising device of revealing is all charged monitoring, essence is dangerous and input cost is higher, installs inconvenience.
Utility model content
The technical problems to be solved in the utility model is: provide a kind of safe gas leakage supervising device.
The technical scheme that this utility model is taked by the above-mentioned technical problem of solution is: a kind of gas leakage supervising device, it is characterised in that: it includes that several are distributed in the gas sensor of leakage point to be measured, gas concentration capture card, computer and Valve controlling switch；Wherein the outfan of gas sensor is connected to computer by gas concentration capture card, and the outfan of computer is connected with Valve controlling switch；
Described gas sensor includes gas leakage absorption cell, spectrum detection device and photoelectric detector；Gas leakage absorption cell includes absorption tube and U-tube, the top seal of absorption tube, the bottom of absorption tube is connected with one end of U-tube, the other end of U-tube opens wide, absorption tube is provided with a pair transparent peephole, spectrum detection device obtains the spectrum of gas in absorption tube by transparent peephole, and transmits and obtain gas concentration to photoelectric detector, and the outfan of photoelectric detector is connected with described gas concentration capture card.
By such scheme, it also includes alarm device, is connected with the outfan of computer.
By such scheme, the length 1-2 rice of described absorption tube, the length of absorption tube is utilized to form stack effect, can be by heat effect automatically by the GAS ABSORPTION under low temperature to absorption cell.
The beneficial effects of the utility model are: utilize stack effect, when there is leakage in methane, enter in absorption tube by U-tube, the single line spectrum principle of absorption of recycling methane gas, by detection through the light intensity change-detection concentration of methane gas of absorption tube, then pass to computer and carry out threshold decision, control when a threshold is exceeded to close valve, avoid leakage that blast or fire occur, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model one embodiment
Fig. 2 is the structural representation of gas sensor in this utility model one embodiment.
In figure: 1-gas leakage absorption cell, 2-spectrum detection device.
Detailed description of the invention
Below in conjunction with instantiation, this utility model is described further.
Fig. 1 is the structural representation of this utility model one embodiment, is distributed in the gas sensor of leakage point to be measured, gas concentration capture card, computer and Valve controlling switch including several；Wherein the outfan of gas sensor is connected to computer by gas concentration capture card, and the outfan of computer is connected with Valve controlling switch；Described gas sensor is as in figure 2 it is shown, include gas leakage absorption cell 1, spectrum detection device 2 and photoelectric detector；Gas leakage absorption cell 1 includes absorption tube and U-tube, the top seal of absorption tube, the bottom of absorption tube is connected with one end of U-tube, the other end of U-tube opens wide, absorption tube is provided with a pair transparent peephole, spectrum detection device 2 obtains the spectrum of gas in absorption tube by transparent peephole, and transmits and obtain gas concentration to photoelectric detector, and the outfan of photoelectric detector is connected with described gas concentration capture card.
The length 1-2 rice of absorption tube, utilizes the length of absorption tube to form stack effect, can be by heat effect automatically by the GAS ABSORPTION under low temperature to absorption cell.
Preferably, it also includes alarm device, is connected with the outfan of computer.
In actual applications, light source can be arranged on safe distant place, utilize optical fiber to transmit light to spectrum detection device 2, through absorption tube, through spectrum detection device 2 light out again by fiber-optic transfer to photoelectric detector, the gas concentration being absorbed in pipe, when having methane and do not have methane, the gas concentration obtained is different, when the methane of leakage reaches to a certain degree, and the gas concentration detected exceedes threshold value, and computer controls valve closing, avoid methane to continue leakage, and preferably can report to the police simultaneously.Multiple threshold value can also be set, carry out early warning and warning, or Multi-stage alarming.
What spectrum detection device 2 and photoelectric detector utilized is the principle of spectroanalysis instrument, belongs to prior art, does not repeats at this.
This supervising device utilizes methane gas that the absorption characteristic of specific wavelength light wave is accurately measured methane concentration, it is applicable to some Different high risk sites, and the distributed real-time monitoring of remote passive can be realized, monitoring computer interface shows the concentration value of each measuring point in real time, there is the storage function of overload alarm and alert data.
Claims (3)
1. a gas leakage supervising device, it is characterised in that: it includes that several are distributed in the gas sensor of leakage point to be measured, gas concentration capture card, computer and Valve controlling switch；Wherein the outfan of gas sensor is connected to computer by gas concentration capture card, and the outfan of computer is connected with Valve controlling switch；
Described gas sensor includes gas leakage absorption cell, spectrum detection device and photoelectric detector；Gas leakage absorption cell includes absorption tube and U-tube, the top seal of absorption tube, the bottom of absorption tube is connected with one end of U-tube, the other end of U-tube opens wide, absorption tube is provided with a pair transparent peephole, spectrum detection device obtains the spectrum of gas in absorption tube by transparent peephole, and transmits and obtain gas concentration to photoelectric detector, and the outfan of photoelectric detector is connected with described gas concentration capture card.
Gas leakage supervising device the most according to claim 1, it is characterised in that: it also includes alarm device, is connected with the outfan of computer.
Gas leakage supervising device the most according to claim 1, it is characterised in that: the length 1-2 rice of absorption tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620039422.4U CN205484022U (en) | 2016-01-15 | 2016-01-15 | Gas leakage monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620039422.4U CN205484022U (en) | 2016-01-15 | 2016-01-15 | Gas leakage monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205484022U true CN205484022U (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620039422.4U Active CN205484022U (en) | 2016-01-15 | 2016-01-15 | Gas leakage monitoring device |
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| CN (1) | CN205484022U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044920A (en) * | 2019-04-26 | 2019-07-23 | 中国科学院自动化研究所 | Wire-shaped workpieces solder joint weld quality prediction system and method |
| CN112362625A (en) * | 2020-11-09 | 2021-02-12 | 中国南方电网有限责任公司超高压输电公司柳州局 | Sulfur dioxide detection device and sulfur dioxide detection method |
| CN116190817A (en) * | 2023-01-30 | 2023-05-30 | 北京索科曼正卓智能电气有限公司 | Industrial lithium battery safety management method and device, electronic equipment and medium |
-
2016
- 2016-01-15 CN CN201620039422.4U patent/CN205484022U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044920A (en) * | 2019-04-26 | 2019-07-23 | 中国科学院自动化研究所 | Wire-shaped workpieces solder joint weld quality prediction system and method |
| CN112362625A (en) * | 2020-11-09 | 2021-02-12 | 中国南方电网有限责任公司超高压输电公司柳州局 | Sulfur dioxide detection device and sulfur dioxide detection method |
| CN116190817A (en) * | 2023-01-30 | 2023-05-30 | 北京索科曼正卓智能电气有限公司 | Industrial lithium battery safety management method and device, electronic equipment and medium |
| CN116190817B (en) * | 2023-01-30 | 2024-02-06 | 北京索科曼正卓智能电气有限公司 | Industrial lithium battery safety management method and device, electronic equipment and medium |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170602 Address after: 438000 No. 186 Pagoda Road, Huangzhou District, Hubei, Huanggang Patentee after: Wuhan Dong Chuang Huanggang Ocean Industry Co., Ltd. Address before: 430070 Hubei Province, Wuhan city Hongshan District Luoshi Road No. 122 Patentee before: Wuhan University of Technology |