CN209513605U - A kind of pipe gallery distributed gas sensor - Google Patents
A kind of pipe gallery distributed gas sensor Download PDFInfo
- Publication number
- CN209513605U CN209513605U CN201822136610.0U CN201822136610U CN209513605U CN 209513605 U CN209513605 U CN 209513605U CN 201822136610 U CN201822136610 U CN 201822136610U CN 209513605 U CN209513605 U CN 209513605U
- Authority
- CN
- China
- Prior art keywords
- demodulator
- optical
- communication device
- pipe gallery
- host
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model discloses a kind of pipe gallery distributed gas sensors, comprising: host, several reception devices, several gas absorption cells, the host includes optical transmitting set, demodulator and driving mechanism, the driving mechanism is connect with the optical transmitting set and the demodulator, the reception device includes optical receiver and communication device, the optical receiver is connect with the communication device, the communication device is connect with the demodulator, the optical transmitting set is for emitting light, the optical receiver is used to receive the optical signal by the gas absorption cell, the demodulator is used to receive the signal that communication device is sent and is handled.The pipe gallery distributed gas sensor accuracy is high, at low cost, and detection speed is fast.
Description
Technical field
The utility model relates to gas detection technology fields, and in particular to a kind of pipe gallery distributed gas sensor.
Background technique
Typical distributed gas sensor common are both of which, the first: each detection in detection space
Individual detectors are both provided on point, each individual detectors include host and sensor；This mode higher cost；Second
Kind: a host is arranged in the center in detection space, and reflecting plate is both provided on each test point, and host, which issues spatial light, to be passed through
Baffle reflection returns host and receives, and this mode is at low cost but the accuracy of leak source position is poor.
Utility model content
The purpose of this utility model is to provide a kind of pipe gallery distributed gas sensor for above-mentioned status, with solution
The certainly above problem.
The technical solution adopted in the utility model are as follows: a kind of pipe gallery distributed gas sensor, including it is host, several
Reception device, several gas absorption cells, the host include optical transmitting set, demodulator and driving mechanism, the driving mechanism with
The optical transmitting set and demodulator connection, the reception device includes optical receiver and communication device, the optical receiver
It is connect with the communication device, the communication device is connect with the demodulator, and the optical transmitting set is for emitting light, the light
Receiver is used to receive the optical signal by the gas absorption cell, and the demodulator is for receiving the signal that communication device is sent
And it is handled.
The effect of the utility model is: the pipe gallery distributed gas sensor accuracy is high, at low cost, detects speed
Fastly.
Detailed description of the invention
Fig. 1 show the structural schematic diagram of pipe gallery distributed gas sensor provided by the utility model.
The structure that Fig. 2 show another embodiment of pipe gallery distributed gas sensor provided by the utility model is shown
It is intended to；
Fig. 3 show the structural schematic diagram of host；
Fig. 4 show the structural schematic diagram of reception device.
Specific embodiment
The pipe gallery distributed gas sensor of the utility model is introduced with reference to the accompanying drawing:
Embodiment one
It is a kind of pipe gallery distributed gas sensor provided by the utility model as shown in Fig. 1, Fig. 3 and Fig. 4,
Including host 1 and several reception devices 2, the space between the reception device 2 and the host 1 is as gas absorption cell 3.
In this present embodiment, several reception devices 2 are centered on the host 1, with the side of corresponding points radiation of light source
Formula arrangement.
The host 1 includes optical transmitting set 11, demodulator 12 and driving mechanism 13, and the driving mechanism 13 is sent out with the light
Emitter 11 and the demodulator 12 connect.
The reception device 2 includes optical receiver 21 and communication device 22, the optical receiver 21 and the communication device
22 connections, the communication device 22 are connect with the demodulator 12.
The optical transmitting set 11 is for outwardly emitting light.
The optical receiver 21 is used to receive the optical signal by the gas absorption cell 3.
The demodulator 12 is used to receive the signal that communication device 22 is sent and is handled.
The driving mechanism 13 is used to provide power for the optical transmitting set 11 and the demodulator 12.
The light that the host 1 issues is divided into the road n by space, forms gas between the host 1 and the reception device 2
Absorption cell；If having under test gas generation in some position, near and the reception device 2 later can receive by
Optical signal after gas absorption, the position of gas can be determined by numbering and receive the difference on signal time according to reception device,
To realize gas sensing.
Embodiment two
It is a kind of pipe gallery distributed gas sensor provided by the utility model shown in as shown in Figure 2, Figure 3 and Figure 4,
Including host 1, several reception devices 2, several gas absorption cells 3, optical splitter 4 and optical fiber 5, the host 1 and the light point
Road device 4 connects, and the optical splitter 4 is connect with several gas absorption cells 3 by the optical fiber 5, and several gases are inhaled
Receives pond 3 links into an integrated entity with several reception devices 2, and several reception devices 2 are centered on the host 1, with correspondence
The mode of point light source radiation arranges.
The host 1 includes optical transmitting set 11, demodulator 12 and driving mechanism 13, and the driving mechanism 13 is sent out with the light
Emitter 11 and the demodulator 12 connect.
The reception device 2 includes optical receiver 21 and communication device 22, the optical receiver 21 and the communication device
22 connections, the communication device 22 are connect with the demodulator 12.
The optical transmitting set 11 is for emitting light.
The optical receiver 21 is used to receive the optical signal by the gas absorption cell 3.
The demodulator 12 is used to receive the signal that communication device 22 is sent and is handled.
The driving mechanism 13 is used to provide power for the optical transmitting set 11 and the demodulator 12.
The optical transmitting set 11 is connect with the optical fiber splitter 4, and the optical receiver 21 is connect with the optical fiber 5.
The light that the host 1 issues splits the light into the road n by the optical fiber splitter 4, the gas absorption cell 3 with it is described
Reception device 2 integrates, and when there is under test gas generation in some position, then the reception device 2 near it completes detection,
The position of gas can be determined by numbering and receive the difference on signal time according to reception device.
The pipe gallery distributed gas sensor accuracy is high, at low cost, and detection speed is fast.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (4)
1. a kind of pipe gallery distributed gas sensor, characterized in that it comprises: if host, several reception devices, dry gas
Body absorption cell, the host include optical transmitting set, demodulator and driving mechanism, the driving mechanism and the optical transmitting set and institute
Demodulator connection is stated, the reception device includes optical receiver and communication device, and the optical receiver and the communication device connect
It connects, the communication device is connect with the demodulator, and the optical transmitting set is for emitting light, and the optical receiver is for receiving warp
The optical signal of the gas absorption cell is crossed, the demodulator is used to receive the signal that communication device is sent and is handled.
2. pipe gallery distributed gas sensor according to claim 1, which is characterized in that the gas absorption cell is
Space between the reception device 2 and the host 1.
3. pipe gallery distributed gas sensor according to claim 2, which is characterized in that several reception devices
Centered on the host, arranged in a manner of corresponding points radiation of light source.
4. pipe gallery distributed gas sensor according to claim 1, which is characterized in that further include optical splitter and
Optical fiber, the optical fiber are connect with several gas absorption cells, several gas absorption cells and reception device one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822136610.0U CN209513605U (en) | 2018-12-19 | 2018-12-19 | A kind of pipe gallery distributed gas sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822136610.0U CN209513605U (en) | 2018-12-19 | 2018-12-19 | A kind of pipe gallery distributed gas sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209513605U true CN209513605U (en) | 2019-10-18 |
Family
ID=68195704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822136610.0U Active CN209513605U (en) | 2018-12-19 | 2018-12-19 | A kind of pipe gallery distributed gas sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209513605U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111665165A (en) * | 2020-05-26 | 2020-09-15 | 中国地质大学（武汉） | Natural gas hydrate density sensor based on induced charges |
-
2018
- 2018-12-19 CN CN201822136610.0U patent/CN209513605U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111665165A (en) * | 2020-05-26 | 2020-09-15 | 中国地质大学（武汉） | Natural gas hydrate density sensor based on induced charges |
| CN111665165B (en) * | 2020-05-26 | 2021-09-24 | 中国地质大学（武汉） | Natural gas hydrate density sensor based on induced charges |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101592601B (en) | High-efficiency infrared gas sensor with small volume | |
| CN102393972A (en) | Gate passage detection system and method | |
| CN107148566A (en) | The optical gas sensor of LED emitters with the light for launching narrow bandwidth | |
| CN209513605U (en) | A kind of pipe gallery distributed gas sensor | |
| CN205067286U (en) | Particulate matter detection device | |
| CN109883979A (en) | A kind of adjustable long light-path infrared gas sensor and detection method | |
| CN103293139B (en) | A kind of sensing device of fluorescence explosive detection instrument | |
| CN103940713B (en) | A kind of haze particle sniffer | |
| CN203705864U (en) | Photoelectric switch for object detection | |
| CN201138324Y (en) | Photoelectric coal dust concentration sensor in rare diffusing type | |
| CN101592599A (en) | Absorbing cavity of infrared gas sensor with wide spectrum light source | |
| CN101221123A (en) | Air chamber suitable for multiple gas detecting | |
| CN207349851U (en) | A kind of coal mine roadway visible light communication arm light bar | |
| CN201759945U (en) | Luminous flux difference infusion alarm | |
| CN205317667U (en) | Laser gas sensor | |
| CN105261158A (en) | High-precision natural gas leakage detector based on Internet of things | |
| CN201819881U (en) | Three-angle gloss meter | |
| CN209215210U (en) | A kind of Tail gas measuring light path system | |
| CN203811528U (en) | Flat plate type optical fiber gas sensor | |
| CN102928383A (en) | Device for measuring gas concentration through optical interference method | |
| CN208125570U (en) | A kind of atmosphere particle concentration detection device based on laser differential detection | |
| CN208140570U (en) | A kind of high-precision formula photoelectric detection system | |
| CN110865007A (en) | Hand-held type light-tight smokemeter | |
| CN207865047U (en) | A kind of methane gas laser acquisition pump means | |
| CN204576656U (en) | There is the paper currency sorter of cash dispensing port bank note checking function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |