CN212872178U - Optical gas chamber - Google Patents
Optical gas chamber Download PDFInfo
- Publication number
- CN212872178U CN212872178U CN202020713550.9U CN202020713550U CN212872178U CN 212872178 U CN212872178 U CN 212872178U CN 202020713550 U CN202020713550 U CN 202020713550U CN 212872178 U CN212872178 U CN 212872178U
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- Prior art keywords
- adjusting
- mounting
- cavity
- plate
- reflecting mirror
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- Expired - Fee Related
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- 230000003287 optical effect Effects 0.000 title claims abstract description 24
- 239000000835 fiber Substances 0.000 claims description 7
- 238000012360 testing method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000013307 optical fiber Substances 0.000 description 15
- 238000009434 installation Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000013100 final test Methods 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses an optical gas chamber, including casing and top cap, optical window has been seted up on the casing, be formed with the cavity between casing and the top cap, be provided with speculum one, speculum two and speculum three in the cavity, speculum one sets up in cavity one side through alignment jig one, speculum two sets up respectively in the both sides of cavity with speculum three through alignment jig two. The utility model discloses have the speculum and adjust convenient, the high beneficial effect of testing result accuracy.
Description
Technical Field
The utility model relates to an optical detection field especially relates to an optical gas chamber.
Background
The gas analyzer is an instrument for detecting gas components by utilizing a photoelectric detection principle, and is multi-purpose for detecting atmospheric pollution. The gas chamber structure of current gas analysis appearance generally includes the gaseous cavity of holding, light source and light receiver, current gas chamber is mostly for the gaseous chamber of formula of returning, polylith speculum in gas chamber, detect the light and shoot into on the light receiver after the speculum through multiple reflection and receive by light receiver and obtain the testing result, but change the indoor speculum of gas and be fixed, only can adjust the light path through the emergent light angle of adjustment light source when focusing, the limitation of adjustment is great like this, the adjustment degree of difficulty is high, the accuracy of testing result is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gaseous room of optics that convenient, the testing result accuracy is high is adjusted to the speculum.
In order to solve the technical problem, the utility model discloses a following technical scheme:
an optical gas chamber comprises a shell and a top cover, wherein an optical window is formed in the shell, a cavity is formed between the shell and the top cover, a first reflector, a second reflector and a third reflector are arranged in the cavity, the first reflector is arranged on one side of the cavity through a first adjusting frame, and the second reflector and the third reflector are respectively arranged on two sides of the cavity through second adjusting frames.
Preferably, the first adjusting frame comprises a mounting plate and an adjusting plate, a first mounting groove for mounting the first reflecting mirror is formed in the mounting plate, the mounting plate is arranged on the adjusting plate through a mounting shaft, the mounting plate and the adjusting plate are separated from each other and are formed with adjusting gaps, a first adjusting screw is arranged on the adjusting plate, and the first adjusting screw penetrates through the adjusting plate and abuts against the surface of the mounting plate.
Preferably, the number of the first adjusting screws is at least three, and the three adjusting screws are arranged around the mounting shaft.
Preferably, an adjusting window is arranged on the shell close to the reflector.
Preferably, the second adjusting bracket comprises an L-shaped bracket, the L-shaped bracket comprises a vertically arranged installation part and an adjusting part, a second installation groove for installing a second reflector or a third reflector is formed in the installation part, and the adjusting part is adjustably installed on the inner wall of the cavity through a screw.
Preferably, the adjusting part is at least provided with three adjusting holes, the two adjusting holes are both provided with set screws, the set screws penetrate through the adjusting part and are fixedly arranged on the inner wall of the cavity, the remaining adjusting hole is internally provided with a second adjusting screw, and the front end of the second adjusting screw penetrates through the adjusting part and abuts against the inner wall of the cavity.
Preferably, the first reflecting mirror, the second reflecting mirror and the third reflecting mirror are all plane reflecting mirrors.
Preferably, the shell is provided with an optical fiber seat and an optical fiber, the optical fiber seat is communicated with the optical window, a collimating lens is arranged in the optical fiber seat, and the optical fiber is arranged on the optical fiber seat.
Compared with the prior art, the beneficial effects of the utility model are that be formed with the cavity between casing and the top cap, be provided with speculum one, speculum two and speculum three in the cavity, it is concrete, speculum one sets up in cavity one side through alignment jig one, speculum two and speculum three respectively set up in the both sides of cavity through alignment jig two, and operating personnel can make things convenient for the speculum to adjust the convenience to speculum one, speculum two and speculum three respectively when debugging like this, also guarantees final testing result accuracy simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of a first adjusting bracket according to a preferred embodiment of the present invention;
fig. 3 is a cross-sectional view of a first adjustment bracket in a preferred embodiment of the present invention;
fig. 4 is a schematic structural view of a second adjusting bracket according to a preferred embodiment of the present invention;
fig. 5 is a schematic view illustrating another perspective of the second bracket according to a preferred embodiment of the present invention;
the names of the components marked in the figures are as follows: 1. a housing; 11. an optical fiber holder; 12. an optical fiber; 13. an optical window; 14. adjusting the window; 15. a chamber; 2. a first reflecting mirror; 21. a first adjusting frame; 22. mounting a plate; 23. an adjusting plate; 24. installing a shaft; 25. adjusting a first screw; 3. a second reflecting mirror; 31. a third reflector; 32. a second adjusting frame; 33. an installation part; 34. an adjustment section; 35. tightening the screw; 36. a second adjusting screw; 4. a first groove; 41. and a second groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings 1 to 5 and the specific embodiments.
The utility model discloses an optical gas chamber, including casing 1 and top cap, the top cap lid is located on casing 1 just be formed with cavity 15 between casing 1 and the top cap, optical window 13 has been seted up to casing 1's lateral wall, still be provided with the flange on casing 1, be provided with optic fibre 12 on the flange, be provided with speculum 2, speculum two 3 and speculum three 31 in the cavity 15, it is concrete, speculum 2 sets up in cavity 15 one side through alignment jig 21, speculum two 3 and speculum three 31 set up respectively in cavity 15's both sides through alignment jig two 32, speculum 2 and speculum two 3 are located cavity 15 with one side.
Preferably, recess one 4 and recess two 41 have been seted up on the cavity 15 bottom surface respectively, reflector one 2 and reflector two 3 are located recess one 4, reflector three 31 is located the second recess, and the benefit of setting up like this lies in, reflector one 2, reflector two 3 and reflector three 31's minimum all is less than cavity 15 bottom surface, thereby guarantees the rigidity of cavity 15 structure, also guarantees the maximize of reflector one 2, reflector two 3 and reflector three 31 three's angle of regulation simultaneously.
Preferably, the first adjusting frame 21 comprises a mounting plate 22 and an adjusting plate 23, a first mounting groove for mounting the first reflecting mirror 2 is formed in the mounting plate 22, the mounting plate 22 is arranged on the adjusting plate 23 through a mounting shaft 24, the mounting plate 22 and the adjusting plate 23 are separated and formed with an adjusting gap, the mounting stability of the mounting plate 22 and the adjusting plate 23 is guaranteed through the arrangement, an adjusting screw 25 is arranged on the adjusting plate 23, the adjusting screw 25 penetrates through the adjusting plate 23 and abuts against the surface of the mounting plate 22, the adjusting screw 25 can adaptively adjust the reflecting angle of the first reflecting mirror 2, and the adjusting range of the first reflecting mirror 2 is enlarged.
Further, the number of the first adjusting screws 25 is at least three, and the three adjusting screws are arranged around the mounting shaft 24, so that the adjustment of each reflecting angle of the reflector can be carried out by using the mounting shaft 24 as a base point through the three adjusting screws 25.
Furthermore, the position, close to the first reflector 2, on the shell 1 is detachably provided with an adjusting window 14, the operator can open the adjusting window 14, and can adjust the reflection angle of the first reflector 2 adaptively through the three adjusting screws 25, and the setting of the adjusting window 14 facilitates the adjustment of the operator on the first reflector 2.
Preferably, the second adjusting bracket 32 includes L type support, L type support includes perpendicular installation department 33 and the regulating part 34 that sets up, offer the mounting groove two that is used for installing two 3 or three 31 of speculum on the installation department 33, regulating part 34 passes through screw adjustable mounting on cavity 15 inner wall, and the benefit that sets up like this lies in, two 3 and three 31 of speculum can both carry out adaptability through regulating part 34 and adjust, thereby made things convenient for the utility model discloses the debugging of light path before using.
Further, a boss is convexly formed on the cavity 15, at least three adjusting holes are formed in the adjusting portion 34, set screws 35 are arranged in the two adjusting holes, the set screws 35 penetrate through the adjusting portion 34 and are fixedly arranged on the boss, a second adjusting screw 36 is arranged in the remaining adjusting hole, the front end of the second adjusting screw 36 penetrates through the adjusting portion 34 and abuts against the surface of the boss, and the second adjusting screw 36 is screwed to adjust the reflecting angle of the second reflector 3 or the third reflector 31.
Preferably, the housing 1 is provided with an optical fiber 12 seat 11 and an optical fiber 12, the optical fiber 12 seat 11 is communicated with an optical window 13, a collimating mirror is arranged in the optical fiber 12 seat 11, the optical fiber 12 is installed on the optical fiber 12 seat 11, and detection light emitted by the optical fiber 12 passes through the optical window 13 and is emitted into the chamber 15 after being reflected by the collimating mirror.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, i.e. all equivalent changes and modifications made according to the present invention are covered by the scope of the claims of the present invention, which is not illustrated herein.
Claims (8)
1. The optical gas chamber is characterized by comprising a shell and a top cover, wherein an optical window is formed in the shell, a cavity is formed between the shell and the top cover, a first reflecting mirror, a second reflecting mirror and a third reflecting mirror are arranged in the cavity, the first reflecting mirror is arranged on one side of the cavity through a first adjusting frame, and the second reflecting mirror and the third reflecting mirror are respectively arranged on two sides of the cavity through second adjusting frames.
2. The optical gas cell as claimed in claim 1, wherein the first adjusting frame comprises a first mounting plate and a first adjusting plate, the first mounting plate is provided with a first mounting groove for mounting the first reflecting mirror, the first mounting plate is disposed on the first adjusting plate through a mounting shaft, the first mounting plate and the first adjusting plate are separated from each other and form an adjusting gap, the first adjusting plate is provided with a first adjusting screw, and the first adjusting screw passes through the first adjusting plate and abuts against the surface of the first mounting plate.
3. An optical gas cell according to claim 2, wherein the number of first adjustment screws is at least three, three adjustment screws being arranged around the mounting shaft.
4. An optical gas cell according to claim 3, wherein the housing is provided with an adjustment window adjacent the mirror.
5. The optical gas chamber as claimed in claim 1, wherein the second adjusting bracket comprises an L-shaped bracket, the L-shaped bracket comprises a vertically arranged mounting portion and an adjusting portion, the mounting portion is provided with a second mounting groove for mounting the second reflector or the third reflector, and the adjusting portion is adjustably mounted on the inner wall of the chamber through a screw.
6. The optical gas cell according to claim 5, wherein the adjusting portion has at least three adjusting holes, two of the adjusting holes have set screws, the set screws pass through the adjusting portion and are fixed on the inner wall of the chamber, the remaining adjusting hole has a second adjusting screw, and the front end of the second adjusting screw passes through the adjusting portion and abuts against the inner wall of the chamber.
7. An optical gas cell according to claim 4 or 6, wherein the first, second and third mirrors are planar mirrors.
8. An optical gas cell according to claim 1, wherein the housing is provided with a fiber mount and a fiber, the fiber mount being in communication with the optical window and the fiber mount having a collimating mirror disposed therein, the fiber being mounted on the fiber mount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020713550.9U CN212872178U (en) | 2020-04-30 | 2020-04-30 | Optical gas chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020713550.9U CN212872178U (en) | 2020-04-30 | 2020-04-30 | Optical gas chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212872178U true CN212872178U (en) | 2021-04-02 |
Family
ID=75204200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020713550.9U Expired - Fee Related CN212872178U (en) | 2020-04-30 | 2020-04-30 | Optical gas chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212872178U (en) |
-
2020
- 2020-04-30 CN CN202020713550.9U patent/CN212872178U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210402 |