CN215525011U - Detection device for distributed optical fiber - Google Patents
Detection device for distributed optical fiber Download PDFInfo
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- CN215525011U CN215525011U CN202121974782.0U CN202121974782U CN215525011U CN 215525011 U CN215525011 U CN 215525011U CN 202121974782 U CN202121974782 U CN 202121974782U CN 215525011 U CN215525011 U CN 215525011U
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- optical fiber
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- shell
- switch
- distributed optical
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Abstract
The utility model discloses a detection device for a distributed optical fiber, which comprises an optical fiber and a detection structure, wherein the optical fiber extends into the detection structure, and the detection structure utilizes the refraction and scattering of optical signals after the optical fiber is damaged so as to detect the damage of the optical fiber. The utility model has the advantages of simple structure, convenience and practicability.
Description
Technical Field
The utility model relates to the technical field of sensing systems for measuring space temperature field distribution by using distributed optical fibers, in particular to a detection device for distributed optical fibers.
Background
A distributed optical fiber temperature sensor system is a sensing system which is developed in recent years and is used for measuring the spatial temperature field distribution in real time. In the system, the optical fiber is used as a sensor and a signal transmission channel, so that a large number of optical fibers are required in the system.
And at actual test's optic fibre unwrapping wire in-process, optic fibre easily produces the epidermis damaged in the transportation, thereby just should carry out damage detection to optic fibre when the unwrapping wire, among the prior art, the workman is generally through the naked eye to whether damaged to optic fibre in-process, because the limitation of naked eye, often a lot of damaged departments can't the accurate observation just direct unwrapping wire leads to the fact the later stage to do over again and need the unwrapping wire, influence work efficiency, based on this, this design proposes a detection device for distributed optical fibre and detects whether optic fibre has the damage at the unwrapping wire in-process, avoid still directly causing the condition emergence of doing over again at last because of the optic fibre damage.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a detection device for detecting optical fiber damage.
In order to achieve the above object, the present invention is achieved by the technical solution, in which the detection apparatus for a distributed optical fiber includes an optical fiber and a detection structure, the optical fiber extends into the detection structure, and the detection structure detects a damage of the optical fiber by using refraction and scattering of an optical signal after the optical fiber is damaged.
Further, it includes the shell to detect the structure, the shell is the rectangle, the shell is equipped with the through-hole along the axis of left and right sides direction, the outside at both ends still overlaps there are two rubber packing rings about the through-hole, the inboard at both ends still is equipped with four pulleys about the through-hole, four two double-liang a set of set up respectively in the upper and lower both sides at both ends about the through-hole.
Further, the inner wall of the through hole on the shell is also provided with a plurality of annular detectors respectively, the annular detectors are provided with a plurality of light sources and a plurality of photoelectric switches respectively, the light sources are direct light sources, the light sources and the photoelectric switches are arranged in a pairwise adjacent mode, the light sources are further electrically connected with a switch and a power supply, and the photoelectric switches are further electrically connected with a warning lamp, a vibrator and the power supply.
Furthermore, the warning light, the switch, the power supply and the vibrator are all embedded in the outer side of the shell.
The beneficial effect of above-mentioned scheme is:
by adopting the technical scheme, the optical fiber pay-off device is convenient to use, when the optical fiber pay-off is carried out during specific operation, the pay-off end of the optical fiber is stretched into the through hole from one end of the through hole, the light source in the through hole emits direct light, if the outer surface skin of the optical fiber in the through hole is damaged, the direct light transmits an optical signal to the photoelectric switch through the refraction or scattering of the damaged optical fiber, and therefore the photoelectric switch is connected with a loop among the photoelectric switch, the warning lamp, the vibrator and the power supply, so that the warning lamp and the vibrator can emit vibration warning and lamplight warning.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic sectional view A-A of FIG. 2;
fig. 4 is a schematic diagram of the working principle of the present invention.
In the figure: 1. an optical fiber; 2. a housing; 3. a through hole; 4. an annular detector; 5. a switch; 6. a power source; 7. a light source; 8. a photoelectric switch; 9. a warning light; 10. a vibrator; 11. a rubber gasket; 12. a pulley.
Detailed Description
The utility model will be further clarified and fully described in the following with reference to the accompanying drawings, without limiting the scope of the utility model thereto.
Example 1:
as shown in fig. 1 to 4, a detection apparatus for a distributed optical fiber includes an optical fiber 1 and a detection structure, as shown in fig. 1, the optical fiber 1 extends into the detection structure, and the detection structure detects a damage of the optical fiber by using refraction and scattering of an optical signal after the optical fiber 1 is damaged.
Wherein, it includes shell 2 to detect the structure, shell 2 is the rectangle, shell 2 is equipped with through-hole 3 along the axis of left right direction, the outside at both ends still overlaps there are two rubber packing rings 11 about through-hole 3, the inboard at both ends still is equipped with four pulleys 12 about through-hole 3, four two double-liang a set of pulleys 12 set up respectively in the upper and lower both sides at both ends about through-hole 3.
As shown in fig. 2, the inner wall of the through hole 3 on the housing 2 is further provided with a plurality of annular detectors 4, as shown in fig. 3, the annular detectors 4 are provided with a plurality of light sources 7 and a plurality of photoelectric switches 8, the light sources 7 are direct light sources, wherein the plurality of light sources 7 and the plurality of photoelectric switches 8 are arranged adjacent to each other, the light sources 7 are further electrically connected with the switch 5 and the power source 6, and the photoelectric switches 8 are further electrically connected with the warning light 9, the vibrator 10 and the power source 6.
The warning light 9, the switch 5, the power supply 6 and the vibrator 10 are all embedded outside the shell 2.
Specifically, the design is as follows:
this design uses when distributed optical fiber system carries out optic fibre 1 and carries out unwrapping wire, only need to carry out one side that the unwrapping wire was carried out to optic fibre 1 through-hole 3 on the shell 2 insert in the shell 2 and stretch out by the opposite side of through-hole 3, thereby make one section in the through-hole 3 that optic fibre 1 got into then can detect through annular detector 4 in the through-hole 3, then open switch 5 on the shell 2, make the return circuit between annular detector 4 and switch 5 and power 6 switch-on, thereby light source 7 on the annular detector 4 sends direct light and shines on the outer skin of optic fibre 1, if the outer skin of optic fibre 1 has the damage, the direct light that light source 7 sent can be refracted or scattered to photoelectric switch 8 on the annular detector 4 by the inside glass or plastics of optic fibre 1, and photoelectric switch 8 receives the light signal, then can switch 8 and warning light 9, The closed loop that electromagnetic shaker 10 and power 6 are constituteed, thereby make the warning of warning light 9 often bright and electromagnetic shaker 10 vibrations make the user in time discover optic fibre 1's damage and then in time handle damaged optic fibre 1, and at above-mentioned in-process, in order to prevent the influence of external natural light to this design, this design has still set up rubber packing ring 11 at the both ends of through-hole 3 and has sealed the inside of through-hole 3, in addition, for the convenience of optical fibre 1 twitch in this design, still set up two sets of pulleys 12 at the both ends of through-hole inboard and guide the twitch of optic fibre 1.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (3)
1. A detection device for a distributed optical fiber comprising an optical fiber (1) and a detection structure, characterized in that: optic fibre (1) stretches into in the detection structure, the detection structure includes shell (2), shell (2) are the rectangle, shell (2) are equipped with through-hole (3) along the axis of left right direction, the outside at both ends still overlaps about through-hole (3) has two rubber packing rings (11), the inboard at both ends still is equipped with four pulley (12), four about through-hole (3) two liang of a set of pulley (12) set up respectively in the upper and lower both sides at both ends about through-hole (3), on shell (2) the inner wall of through-hole (3) still is equipped with a plurality of annular detector (4) respectively, be equipped with a plurality of light sources (7) and a plurality of photoelectric switch (8) on annular detector (4) respectively.
2. A test device for a distributed optical fiber according to claim 1, wherein: the light source (7) is a direct light source, wherein the light source (7) and the photoelectric switches (8) are arranged in a pairwise adjacent mode, the light source (7) is further electrically connected with the switch (5) and the power supply (6), and the photoelectric switches (8) are further electrically connected with the warning lamp (9), the vibrator (10) and the power supply (6).
3. A test device for a distributed optical fiber according to claim 2, wherein: the warning light (9), the switch (5), the power supply (6) and the vibrator (10) are embedded in the outer side of the shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121974782.0U CN215525011U (en) | 2021-08-23 | 2021-08-23 | Detection device for distributed optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121974782.0U CN215525011U (en) | 2021-08-23 | 2021-08-23 | Detection device for distributed optical fiber |
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| Publication Number | Publication Date |
|---|---|
| CN215525011U true CN215525011U (en) | 2022-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121974782.0U Active CN215525011U (en) | 2021-08-23 | 2021-08-23 | Detection device for distributed optical fiber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114878140A (en) * | 2022-03-04 | 2022-08-09 | 中国科学院上海光学精密机械研究所 | Non-destructive microstructure optical fiber side scattering loss measuring device and method |
-
2021
- 2021-08-23 CN CN202121974782.0U patent/CN215525011U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114878140A (en) * | 2022-03-04 | 2022-08-09 | 中国科学院上海光学精密机械研究所 | Non-destructive microstructure optical fiber side scattering loss measuring device and method |
| CN114878140B (en) * | 2022-03-04 | 2023-01-20 | 中国科学院上海光学精密机械研究所 | Non-destructive microstructure optical fiber side scattering loss measuring device and method |
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