CN203337528U - Multifunctional gas chamber for optical fiber gas sensing - Google Patents
Multifunctional gas chamber for optical fiber gas sensing Download PDFInfo
- Publication number
- CN203337528U CN203337528U CN2013204191884U CN201320419188U CN203337528U CN 203337528 U CN203337528 U CN 203337528U CN 2013204191884 U CN2013204191884 U CN 2013204191884U CN 201320419188 U CN201320419188 U CN 201320419188U CN 203337528 U CN203337528 U CN 203337528U
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- CN
- China
- Prior art keywords
- optical fiber
- air chamber
- functional air
- cavity
- gas sensing
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Abstract
The utility model relates to a multifunctional gas chamber for optical fiber gas sensing. A cavity is formed in the multifunctional gas chamber. The multifunctional gas chamber further comprises a gas inlet, a light inlet, a light outlet, a first lens frame, a second lens frame, a first optical fiber collimating lens and a second collimating lens, wherein the gas inlet, the light inlet and the light outlet are communicated with the cavity, a first optical fiber head and a second optical fiber head are arranged at one end of the first optical fiber collimating lens and one end of the second optical fiber collimating lens, a first self-focusing lens and a second self-focusing lens are arranged at the other end of the first optical fiber collimating lens and the other end of the second optical fiber collimating lens, the first optical fiber head and the second optical fiber head are connected with the light inlet and the light outlet, the first self-focusing lens and the second self-focusing lens are fixed on the first lens frame and the second lens frame, the first self-focusing lens is parallel to the second self-focusing lens, a guide rail is fixedly arranged in the cavity, a first sliding block and a second sliding block are arranged on the guide rail and can slide, and the first lens frame and the second lens frame are fixedly arranged on the first sliding block and the second sliding block. The guide rail is fixedly arranged in the cavity of the multifunctional gas chamber for optical fiber gas sensing, and the first sliding block and the second sliding block are arranged on the guide rail and can slide so that the distance between the first self-focusing lens and the second self-focusing lens can be changed by adjusting the first sliding block and the second sliding block, and the sensing length is changed.
Description
Technical field
The utility model belongs to the optical fiber gas sensing technical field, relates in particular to a kind of multi-functional air chamber for optical fiber gas sensing.
Background technology
The air chamber of absorption-type fiber gas sensor is divided into monochromatic light road air chamber and multi-pass air chamber at present, although the multi-pass air chamber has solved the contradictory relation between gas sensing length and volume, but current air chamber does not all solve this problem of gas sensing adjustable in length, want to change gas sensing length, just must design the air chamber of a plurality of gas with various sensing length.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of multi-functional air chamber for optical fiber gas sensing of gas sensing adjustable in length.
The utility model is to realize like this, a kind of multi-functional air chamber for optical fiber gas sensing is provided, its inside has cavity, described multi-functional air chamber one end is provided with the air intake opening that is communicated in described cavity, offer the light inlet and the light-emitting window that are communicated in described cavity on its side, described multi-functional air chamber comprises the first mirror holder, the second mirror holder, the first fiber optic collimator mirror, the second fiber optic collimator mirror, described first, the second mirror holder is positioned at described cavity, and described first, one end of the second fiber optic collimator mirror has first, the second optical fiber head, the other end has first, the second GRIN Lens, described first, the second optical fiber head is connected to described light inlet and light-emitting window, and described first, the second GRIN Lens is individually fixed in described first, on the second mirror holder, described first, the second GRIN Lens is parallel to each other, and in described cavity, is installed with guide rail, and described guide rail is provided with slidably the first slide block and the second slide block, described first, the second mirror holder is fixedly arranged on respectively described first, on the second slide block.
Further, described guide rail is positioned on the bottom surface of described cavity.
Further, described multi-functional air chamber comprises main body and upper cover, and described main body has the groove of opening upwards, and described upper cover gland bonnet is loaded on the opening of described groove, forms described cavity.
Further, described upper cover and main body are by the seal valve fixing seal.
Further, described upper cover and main body are by several described seal valve fixing seals, and described seal valve is uniformly distributed in the periphery of described upper cover.
Further, described multi-functional air chamber also comprises the threeway connection valve, and the first end of described threeway connection valve is connected in described air intake opening, and the second end is connected with pressure gauge, and the 3rd end connects gas input device.
Further, described the 3rd end middle part is connected with the variable valve that can control gas flow.
Further, also be provided with Hygrothermograph in described cavity.
Compared with prior art, be installed with guide rail in the cavity of the utility model for the multi-functional air chamber of optical fiber gas sensing, guide rail is provided with slidably the first slide block and the second slide block, can change the distance between first, second GRIN Lens by regulating first, second slide block, thereby change sensing length.
The accompanying drawing explanation
Fig. 1 is the schematic perspective view of the utility model for multi-functional air chamber one preferred embodiment of optical fiber gas sensing;
Fig. 2 is the upper cover schematic perspective view afterwards of hiding embodiment illustrated in fig. 1;
Fig. 3 is hide upper cover and first, second mirror holder schematic perspective view afterwards embodiment illustrated in fig. 1.
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1 to Figure 3, be a preferred embodiment of the present utility model, should there is cavity 100 for multi-functional air chamber 1 inside of optical fiber gas sensing.Multi-functional air chamber 1 one ends are provided with the air intake opening 101 that is communicated in cavity 100.Offer the light inlet 102 and the light-emitting window 103 that are communicated in cavity 100 on the side of multi-functional air chamber 1.Cavity is installed with guide rail 200 on 100 bottom surfaces, and guide rail 200 is provided with slidably the first slide block 300 and the second slide block 400.Be installed with respectively first, second mirror holder 310,410 on first, second slide block 300,400, multi-functional air chamber 1 also comprises first, second fiber optic collimator mirror (not shown), one end of first, second fiber optic collimator mirror has first, second optical fiber head, the other end has first, second GRIN Lens, first, second optical fiber head is connected to light inlet 102 and light-emitting window 103, first, second GRIN Lens is individually fixed on first, second mirror holder 310,410, and first, second GRIN Lens is parallel to each other.Operating personnel can change the distance between first, second GRIN Lens by the distance of regulating between first, second slide block 300,400, thereby change sensing length.
First, second mirror holder 310,410 is five dimension adjustment racks, can regulate position and the angle of inclination of first, second GRIN Lens level, vertical direction, and this is prior art, does not repeat them here.
In the present embodiment, this multi-functional air chamber 1 comprises main body 10 and upper cover 20, and main body 10 has the groove 11 of opening upwards, and upper cover 20 gland bonnets are loaded on the opening of groove 11, forms cavity 100.
Particularly, upper cover 20 is with main body 10 by several seal valve 500 fixing seals, and seal valve 500 is uniformly distributed in the periphery of upper cover 20.
This multi-functional air chamber also comprises threeway connection valve 600, the first end of threeway connection valve 600 is connected in air intake opening 101, the second ends and is connected with pressure gauge 601, the three ends connection gas input devices, the 3rd end middle part is connected with variable valve 602, can control the flow of gas.
In addition, also be provided with the Hygrothermograph (not shown) in cavity 100.
Above-mentioned multi-functional air chamber 1 in use, first from air intake opening 101 injecting gas.Flashlight, from light inlet 102 input, enters the first optical fiber head of the first collimating mirror, after optical fiber, through first, second GRIN Lens, after collimation, arrives the second optical fiber head through the optical fiber of the second fiber optic collimator mirror, finally from light-emitting window 103 outputs.Operating personnel can change sensing length by the distance of regulating between first, second slide block 300,400, control pressure and the concentration of the gas in these multi-functional air chambers 1 by variable valve 602 and pressure gauge 601, temperature and humidity that can adjustments of gas by Hygrothermograph.Therefore can use same air chamber, carry out the measurement of gas absorption characteristic under different parameters.
Be installed with guide rail 200 on the cavity 100 of the above-mentioned multi-functional air chamber 1 for optical fiber gas sensing, guide rail 200 is provided with slidably the first slide block 300 and the second slide block 400, the distance that can change between first, second GRIN Lens by regulating first, second slide block 300,400, thus sensing length changed.In addition, can control pressure and the concentration of the gas in this multi-functional air chamber 1 by variable valve 602 and pressure gauge 601, temperature and humidity that can adjustments of gas by Hygrothermograph.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. the multi-functional air chamber for optical fiber gas sensing, its inside has cavity, described multi-functional air chamber one end is provided with the air intake opening that is communicated in described cavity, offer the light inlet and the light-emitting window that are communicated in described cavity on its side, described multi-functional air chamber comprises the first mirror holder, the second mirror holder, the first fiber optic collimator mirror, the second fiber optic collimator mirror, described first, the second mirror holder is positioned at described cavity, described first, one end of the second fiber optic collimator mirror has first, the second optical fiber head, the other end has first, the second GRIN Lens, described first, the second optical fiber head is connected to described light inlet and light-emitting window, described first, the second GRIN Lens is individually fixed in described first, on the second mirror holder, described first, the second GRIN Lens is parallel to each other, it is characterized in that, be installed with guide rail in described cavity, described guide rail is provided with slidably the first slide block and the second slide block, described first, the second mirror holder is fixedly arranged on respectively described first, on the second slide block.
2. the multi-functional air chamber for optical fiber gas sensing as claimed in claim 1, is characterized in that, described guide rail is positioned on the bottom surface of described cavity.
3. the multi-functional air chamber for optical fiber gas sensing as claimed in claim 1, it is characterized in that, described multi-functional air chamber comprises main body and upper cover, and described main body has the groove of opening upwards, described upper cover gland bonnet is loaded on the opening of described groove, forms described cavity.
4. the multi-functional air chamber for optical fiber gas sensing as claimed in claim 3, is characterized in that, described upper cover and main body are by the seal valve fixing seal.
5. the multi-functional air chamber for optical fiber gas sensing as claimed in claim 4, is characterized in that, described upper cover and main body are by several described seal valve fixing seals, and described seal valve is uniformly distributed in the periphery of described upper cover.
6. the multi-functional air chamber for optical fiber gas sensing as claimed in claim 1, it is characterized in that, described multi-functional air chamber also comprises the threeway connection valve, and the first end of described threeway connection valve is connected in described air intake opening, the second end is connected with pressure gauge, and the 3rd end connects gas input device.
7. the multi-functional air chamber for optical fiber gas sensing as claimed in claim 6, is characterized in that, described the 3rd end middle part is connected with the variable valve that can control gas flow.
8. as claimed in any of claims 1 to 7 in one of claims for the multi-functional air chamber of optical fiber gas sensing, it is characterized in that, also be provided with Hygrothermograph in described cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204191884U CN203337528U (en) | 2013-07-15 | 2013-07-15 | Multifunctional gas chamber for optical fiber gas sensing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204191884U CN203337528U (en) | 2013-07-15 | 2013-07-15 | Multifunctional gas chamber for optical fiber gas sensing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203337528U true CN203337528U (en) | 2013-12-11 |
Family
ID=49706197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204191884U Expired - Fee Related CN203337528U (en) | 2013-07-15 | 2013-07-15 | Multifunctional gas chamber for optical fiber gas sensing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203337528U (en) |
-
2013
- 2013-07-15 CN CN2013204191884U patent/CN203337528U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20140715 |
|
| EXPY | Termination of patent right or utility model |