CN208872656U - A kind of sonde-type porous silicon optical gas sensor - Google Patents
A kind of sonde-type porous silicon optical gas sensor Download PDFInfo
- Publication number
- CN208872656U CN208872656U CN201821595522.0U CN201821595522U CN208872656U CN 208872656 U CN208872656 U CN 208872656U CN 201821595522 U CN201821595522 U CN 201821595522U CN 208872656 U CN208872656 U CN 208872656U
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- China
- Prior art keywords
- bonding pad
- sonde
- porous silicon
- gas
- signal bonding
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Abstract
The utility model discloses a kind of sonde-type porous silicon optical gas sensors, including signal bonding pad, one end of the signal bonding pad is fixedly installed with chuck, the leading exterior surface of the chuck is equipped with clip, the inside of the clip is equipped with gasket, and gasket is set to the side of chuck, the side of the clip is equipped with hex bolts, the lower end outer surface of the signal bonding pad is equipped with gas conduction area, the lower section in the gas conduction area is equipped with lower cover, the leading exterior surface of the lower cover is equipped with screw thread, and the inside of the signal bonding pad is equipped with laser aligner.A kind of sonde-type porous silicon optical gas sensor described in the utility model, signal bonding pad can be made to be easily installed by being equipped with clip and chuck cooperation, it is conveniently replaceable different sensing substrates, realize different sensing capabilities, the service life and reliability that improve signal bonding pad may insure the stability of measurement result, bring better prospect of the application.
Description
Technical field
The utility model relates to sensor field, in particular to a kind of sonde-type porous silicon optical gas sensor.
Background technique
Gas sensor is a kind of converter that certain gas volume fraction is converted to corresponding electric signal；The prior art makes
With flow cell, senses substrate and be placed in gas flow cell.If gas flow cell and fiber distance change, transducing signal will
Change.This design needs in measurement while fixing optical fiber and gas flow cell, makes troubles to practical application.Meanwhile
The replacement process for sensing substrate is relatively complicated, certain adverse effect is brought to actual use, for this purpose, it is proposed that a kind of spy
Hair style porous silicon optical gas sensor.
Utility model content
The main purpose of the utility model is to provide a kind of sonde-type porous silicon optical gas sensors, can effectively solve
Certainly the problems in background technique.
The utility model is implemented by following technical solution: a kind of sonde-type porous silicon optical gas sensor, including signal
Bonding pad, one end of the signal bonding pad are fixedly installed with chuck, and the leading exterior surface of the chuck is equipped with clip, the card
The inside of hoop is equipped with gasket, and gasket is set to the side of chuck, and the side of the clip is fixedly installed with hex bolts, described
The lower end outer surface of signal bonding pad is equipped with gas conduction area, and the lower section in the gas conduction area is equipped with lower cover, the lower cover
Leading exterior surface is equipped with screw thread, and the inside of the signal bonding pad is equipped with laser aligner, and the inside of the signal bonding pad is remote
Side from laser aligner is equipped with photodetector, and the top of the laser aligner is fixed close to the lower section of photodetector
Sheet glass is installed, the lower end outer surface of the sheet glass is equipped with O-ring seal, and the one end in the gas conduction area is fixedly mounted
There is sensor chip.
Preferably, the upper end outer surface of the signal bonding pad is equipped with air plug, the laser aligner and sensor chip
Input port with the output port of air plug be electrically connected.
Preferably, the side of the air plug is equipped with flange, and the inside of the flange is equipped with groove, outside the side of the flange
Surface is fixedly connected by groove with a side external surface of air plug.
Preferably, the side of the photodetector is equipped with collimator fixator, the side appearance of the photodetector
Face is fixedly connected by collimator fixator with the inner wall of signal bonding pad.
Preferably, one end of the laser aligner is equipped with receiver fixator, the side appearance of the laser aligner
Face is fixedly connected by receiver fixator with the inner wall in gas conduction area.
Preferably, the leading exterior surface in the gas conduction area is equipped with terminal pad, and the leading exterior surface of the terminal pad is set
There is gas-tpe fitting, is fixedly connected between the gas-tpe fitting and terminal pad, the gas conduction area designs for cylindrical, hollow.
The advantages of the utility model: the sonde-type porous silicon optical gas sensor is cooperated by being equipped with clip and chuck
What be can be convenient is fixed on fibre-optical probe, by the way that fibre-optical probe to be connect with chuck, and by the way that two halves clip is buckled in optical fiber
Fixation can be completed by being inserted into hex bolts on chuck in probe, more convenient, by passing lower cover by screw thread and gas
It leads area to be attached, can facilitate and lower cover is dismantled, and then the sensing substrate that the replacement that can be convenient is different, realize different
Sensing capabilities, do not contacted under test gas by installing gasket in all parts junction with sealing means such as O-ring seals,
Can make signal bonding pad that can use under the complex working conditions such as corrosive conditions, improve signal bonding pad service life and can
It may insure the stability of measurement result, entire sonde-type porous silicon optical gas sensor, easy for installation, the effect used by property
Fruit is more preferable relative to traditional approach.
Detailed description of the invention:
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of overall structure diagram of sonde-type porous silicon optical gas sensor of the utility model；
Fig. 2 is a kind of partial view of sonde-type porous silicon optical gas sensor of the utility model；
Fig. 3 is a kind of enlarged drawing of the A of sonde-type porous silicon optical gas sensor of the utility model；
Fig. 4 is a kind of front cross-sectional view of sonde-type porous silicon optical gas sensor of the utility model.
In figure: 1, signal bonding pad；2, gas conduction area；3, terminal pad；4, gas-tpe fitting；5, laser aligner；6, it passes
Sensor chip；7, lower cover；8, clip；9, hex bolts；10, flange；11, air plug；12, chuck；13, gasket；14, photodetection
Device；15, sheet glass；16, O-ring seal；17, screw thread.
Specific embodiment:
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs 1-4, a kind of sonde-type porous silicon optical gas sensor, including signal bonding pad 1, signal bonding pad
1 one end is fixedly installed with chuck 12, and the leading exterior surface of chuck 12 is equipped with clip 8, and the inside of clip 8 is equipped with gasket 13, and
Gasket 13 is set to the side of chuck 12, and the side of clip 8 is fixedly installed with hex bolts 9, the lower end appearance of signal bonding pad 1
Face is equipped with gas conduction area 2, and the lower section in gas conduction area 2 is equipped with lower cover 7, and the leading exterior surface of lower cover 7 is equipped with screw thread 17, signal
The inside of bonding pad 1 is equipped with laser aligner 5, and the inside of signal bonding pad 1 is visited far from the side of laser aligner 5 equipped with photoelectricity
Survey device 14, the top of laser aligner 5 is fixedly installed with sheet glass 15 close to the lower section of photodetector 14, under sheet glass 15
Outer surface is held to be equipped with O-ring seal 16, the one end in gas conduction area 2 is fixedly installed with sensor chip 6.
The upper end outer surface of signal bonding pad 1 is equipped with air plug 11, and air plug 11 plays the role of transmission of monitoring signal, laser quasi
The input port of straight device 5 and sensor chip 6 is electrically connected with the output port of air plug 11；The side of air plug 11 is equipped with flange
10, flange 10 plays fixed function, and the inside of flange 10 is equipped with groove, and a side external surface of flange 10 passes through groove and air plug 11
A side external surface be fixedly connected；The side of photodetector 14 is equipped with collimator fixator, and collimator fixator plays fixation
The effect of photodetector 14, a side external surface of photodetector 14 are interior by collimator fixator and signal bonding pad 1
Wall is fixedly connected；One end of laser aligner 5 is equipped with receiver fixator, and receiver fixator plays fixed laser collimator 5
Effect, a side external surface of laser aligner 5 is fixedly connected by receiver fixator with the inner wall in gas conduction area 2；Gas
The leading exterior surface of body conducting region 2 is equipped with terminal pad 3, and terminal pad 3 plays the role of connecting gas-tpe fitting 4, the front end of terminal pad 3
Outer surface is equipped with gas-tpe fitting 4, is fixedly connected between gas-tpe fitting 4 and terminal pad 3, and gas conduction area 2 is cylindrical, hollow
Design.
It should be noted that the utility model is that a kind of sonde-type porous silicon optical gas sensor passes through when in use
Fibre-optical probe is connect with chuck 12, and by the way that two halves clip 8 to be buckled on fibre-optical probe and chuck 12, by being inserted into hexagonal spiral shell
Fixation can be completed in bolt 9, can be connect under test gas by gas-tpe fitting 4, can also can make gas by removing terminal pad 3
Body conducting region 2 is directly exposed under test gas, and incident laser can be carried out to collimation processing by photodetector 14 and passed
Enter 2 inside of gas conduction area, monitoring signals are spread out of on the inside of gas conduction area 2 by air plug 11, pass through 5 energy of laser aligner
Enough to convert electric signal for the optical signal after absorption, sensor chip 6 plays the work of the other parameters for measuring environment to be measured
With collimator fixator capable of being compressed by flange 10, collimator fixator plays the role of fixed photodetector 14, glass
Glass piece 15 plays the role of preventing measurement gaseous contamination probe, and gasket 13 and O-ring seal 16 play jointly and increase leakproofness
Effect, it is more practical.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of sonde-type porous silicon optical gas sensor, including signal bonding pad (1), it is characterised in that: the signal connects
The one end for meeting area (1) is fixedly installed with chuck (12), and the leading exterior surface of the chuck (12) is equipped with clip (8), the clip
(8) inside is equipped with gasket (13), and gasket (13) is set to the side of chuck (12), the fixed peace in the side of the clip (8)
Equipped with hex bolts (9), the lower end outer surface of the signal bonding pad (1) is equipped with gas conduction area (2), the gas conduction area
(2) lower section is equipped with lower cover (7), and the leading exterior surface of the lower cover (7) is equipped with screw thread (17), the signal bonding pad (1)
Inside is equipped with laser aligner (5), and the inside of the signal bonding pad (1) is equipped with photoelectricity far from the side of laser aligner (5)
The top of detector (14), the laser aligner (5) is fixedly installed with sheet glass below photodetector (14)
(15), the lower end outer surface of the sheet glass (15) is equipped with O-ring seal (16), and one end of the gas conduction area (2) is fixed
Sensor chip (6) are installed.
2. a kind of sonde-type porous silicon optical gas sensor according to claim 1, it is characterised in that: the signal connects
The upper end outer surface for meeting area (1) is equipped with air plug (11), and the laser aligner (5) and the input port of sensor chip (6) are equal
It is electrically connected with the output port of air plug (11).
3. a kind of sonde-type porous silicon optical gas sensor according to claim 2, it is characterised in that: the air plug
(11) side is equipped with flange (10), and the inside of the flange (10) is equipped with groove, and a side external surface of the flange (10) is logical
Groove is crossed to be fixedly connected with a side external surface of air plug (11).
4. a kind of sonde-type porous silicon optical gas sensor according to claim 1, it is characterised in that: the photoelectricity is visited
The side for surveying device (14) is equipped with collimator fixator, and a side external surface of the photodetector (14) passes through collimator fixator
It is fixedly connected with the inner wall of signal bonding pad (1).
5. a kind of sonde-type porous silicon optical gas sensor according to claim 1, it is characterised in that: the laser quasi
One end of straight device (5) is equipped with receiver fixator, a side external surface of the laser aligner (5) by receiver fixator with
The inner wall in gas conduction area (2) is fixedly connected.
6. a kind of sonde-type porous silicon optical gas sensor according to claim 1, it is characterised in that: the gas passes
The leading exterior surface for leading area (2) is equipped with terminal pad (3), and the leading exterior surface of the terminal pad (3) is equipped with gas-tpe fitting (4), institute
It states to be fixedly connected between gas-tpe fitting (4) and terminal pad (3), the gas conduction area (2) is designed for cylindrical, hollow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821595522.0U CN208872656U (en) | 2018-09-28 | 2018-09-28 | A kind of sonde-type porous silicon optical gas sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821595522.0U CN208872656U (en) | 2018-09-28 | 2018-09-28 | A kind of sonde-type porous silicon optical gas sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208872656U true CN208872656U (en) | 2019-05-17 |
Family
ID=66469163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821595522.0U Expired - Fee Related CN208872656U (en) | 2018-09-28 | 2018-09-28 | A kind of sonde-type porous silicon optical gas sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208872656U (en) |
-
2018
- 2018-09-28 CN CN201821595522.0U patent/CN208872656U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190517 |
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| CF01 | Termination of patent right due to non-payment of annual fee |