CN220064429U - Long-distance direct coupling type optical fiber coupling module - Google Patents
Long-distance direct coupling type optical fiber coupling module Download PDFInfo
- Publication number
- CN220064429U CN220064429U CN202321565245.XU CN202321565245U CN220064429U CN 220064429 U CN220064429 U CN 220064429U CN 202321565245 U CN202321565245 U CN 202321565245U CN 220064429 U CN220064429 U CN 220064429U
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- shell
- signal transmission
- control block
- utility
- collimator
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- 238000010168 coupling process Methods 0.000 title claims abstract description 21
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 21
- 230000008878 coupling Effects 0.000 title claims abstract description 20
- 239000013307 optical fiber Substances 0.000 title abstract description 8
- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 12
- 230000008054 signal transmission Effects 0.000 claims abstract description 12
- 239000000835 fiber Substances 0.000 claims abstract description 8
- 230000003287 optical effect Effects 0.000 claims abstract description 7
- 230000002146 bilateral effect Effects 0.000 claims abstract description 3
- 239000011521 glass Substances 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000001285 laser absorption spectroscopy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model relates to the technical field of gas detection, and discloses a long-distance direct coupling type optical fiber coupling module, which comprises a shell and optical signal transmission components symmetrically arranged on two sides of the shell, and is characterized in that: the utility model discloses a light signal transmission module, including shell, light signal transmission module, shell, control block, protection shell and shell fixed connection, a plurality of detection hole has been seted up to the shell bilateral symmetry, light signal transmission module includes aspheric lens and collimator, aspheric lens installs on the installation piece, installation piece and shell fixed connection, shell terminal surface department installs the control block, the mid-mounting of control block has the collimator, the outside of control block is fixed and is provided with the protective housing, protective housing and shell fixed connection, the inner chamber fixedly connected with fiber sheath of shell one end is kept away from to the protective housing. The utility model can provide the long-range gas absorption tank with simple integral structure, low manufacturing cost and simple installation.
Description
Technical Field
The utility model relates to the technical field of gas detection, in particular to a long-distance direct coupling type optical fiber coupling module.
Background
Tunable semiconductor laser absorption spectroscopy is often used in industrial production for gas detection. After passing through the absorption cell filled with the detected gas, light with a certain single frequency is absorbed by the gas to be detected in the cell, and the attenuation and absorption degree of the light reflects the concentration of the gas to be detected. Most of the long-range gas absorption cells currently on the market can be roughly classified into White cells, herriott cells, and CMR cells. Wherein the White pool and the Herriott pool and the improved type thereof are formed by combining expensive optical reflectors such as concave reflectors. The CMR pool adopts multiple reflection in a circle, and the processing difficulty of the inner surface of the cylinder is very high; the three schemes have high cost, complex overall structure and inconvenient installation.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a long-distance direct coupling type optical fiber coupling module, which solves the problems of complex integral structure, high cost and complex subsequent installation of the existing long-range and wide-range gas absorption tank.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the utility model provides a long distance direct coupling formula fiber coupling module, includes shell and symmetry setting in the optical signal transmission subassembly of shell both sides, a plurality of detection hole has been seted up to the symmetry about the shell, optical signal transmission subassembly includes aspheric lens and collimator, aspheric lens installs on the installation piece, installation piece and shell fixed connection, the debugging piece is installed to shell terminal surface department, the mid-mounting of debugging piece has the collimator, the outside fixed of debugging piece is provided with the protective housing, protective housing and shell fixed connection, the inner chamber fixedly connected with fiber sheath of shell one end is kept away from to the protective housing.
Preferably, the debugging block is fixedly connected with a glass tube in the middle, and the collimator is arranged in the glass tube and is fixed through UV glue.
(III) beneficial effects
The utility model has the following beneficial effects:
the long-distance direct coupling type optical fiber coupling module is characterized in that light is collimated through the aspheric lens after passing through the collimator in operation, and is detected through the spectrum detection device at the moment among a plurality of detection holes, so that the concentration of gas to be detected at the moment is obtained, and the gas is emitted after being collimated again through the second aspheric lens, so that the optical fiber coupling module is simple in structure and low in cost and is worth popularizing. Through being provided with the glass pipe at the middle part of debugging piece, can conveniently bond the collimator through UV glue, and then convenient quick harmless installation collimator and debugging piece.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the semi-sectional structure of the present utility model;
fig. 3 is an enlarged view of the area a in fig. 2 according to the present utility model.
In the figure: 1. a housing; 2. a detection hole; 3. a protective shell; 4. an optical fiber sheath; 5. a test block; 6. a collimator; 7. a mounting block; 8. an aspherical lens; 9. a glass tube.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a long distance direct coupling formula fiber coupling module, including shell 1 and symmetry set up in the optical signal transmission subassembly of shell 1 both sides, a plurality of detection hole 2 has been seted up to shell 1 bilateral symmetry about, optical signal transmission subassembly includes aspheric lens 8 and collimator 6, aspheric lens 8 installs on installation piece 7, installation piece 7 and shell 1 fixed connection, the debugging piece 5 is installed to shell 1 terminal surface department, the mid-mounting of debugging piece 5 has collimator 6, the outside of debugging piece 5 is fixed and is provided with protective housing 3, protective housing 3 and shell 1 fixed connection, the inner chamber fixedly connected with fiber sheath 4 of shell 1 one end is kept away from to protective housing 3. According to the utility model, light is collimated through the aspheric lens 8 after passing through the collimator 6 in operation, and is detected through the spectrum detection device between the detection holes 2, so that the concentration of the gas to be detected is obtained, and the gas is emitted after being collimated again through the second aspheric lens 8, so that the device has a simple structure and is worth popularizing.
In this embodiment, a glass tube 9 is fixedly connected to the middle of the test block 5, and a collimator 6 is disposed in the glass tube 9 and is fixed by UV glue. Referring to fig. 3, a glass tube 9 is arranged in the middle of the debugging block 5, so that the collimator 6 can be conveniently bonded through UV glue, and the collimator 6 and the debugging block 5 can be conveniently and rapidly installed in a lossless manner.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a long distance direct coupling formula fiber coupling module, includes shell and symmetry setting in the optical signal transmission subassembly of shell both sides, its characterized in that: the utility model discloses a light signal transmission module, including shell, light signal transmission module, shell, control block, protection shell and shell fixed connection, a plurality of detection hole has been seted up to the shell bilateral symmetry, light signal transmission module includes aspheric lens and collimator, aspheric lens installs on the installation piece, installation piece and shell fixed connection, shell terminal surface department installs the control block, the mid-mounting of control block has the collimator, the outside of control block is fixed and is provided with the protective housing, protective housing and shell fixed connection, the inner chamber fixedly connected with fiber sheath of shell one end is kept away from to the protective housing.
2. The long-haul direct-coupling fiber optic coupling module of claim 1, wherein: and the middle of the debugging block is fixedly connected with a glass tube, and the collimator is arranged in the glass tube and is fixed through UV glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321565245.XU CN220064429U (en) | 2023-06-19 | 2023-06-19 | Long-distance direct coupling type optical fiber coupling module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321565245.XU CN220064429U (en) | 2023-06-19 | 2023-06-19 | Long-distance direct coupling type optical fiber coupling module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220064429U true CN220064429U (en) | 2023-11-21 |
Family
ID=88765002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321565245.XU Active CN220064429U (en) | 2023-06-19 | 2023-06-19 | Long-distance direct coupling type optical fiber coupling module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220064429U (en) |
-
2023
- 2023-06-19 CN CN202321565245.XU patent/CN220064429U/en active Active
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