CN211378026U - Few-mode optical fiber fault detection device - Google Patents
Few-mode optical fiber fault detection device Download PDFInfo
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- CN211378026U CN211378026U CN202020569481.9U CN202020569481U CN211378026U CN 211378026 U CN211378026 U CN 211378026U CN 202020569481 U CN202020569481 U CN 202020569481U CN 211378026 U CN211378026 U CN 211378026U
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Abstract
The utility model discloses a few mode fiber failure detection device, including optical signal transmitter, first fiber connector and second fiber connector, the last connector that is equipped with of optical signal transmitter, first fiber connector one side is equipped with two spread grooves at least, and first fiber connector's opposite side is equipped with the fiber connection hole of being connected with the spread groove, spread groove and connector swing joint, be equipped with the even grating of being connected with fiber circuit, chirp grating and slope grating on the second fiber connector, even grating, chirp grating and slope grating connect into optical signal receiving equipment simultaneously. The utility model discloses a simultaneously with the different grating of many optical fiber access, by optical signal transmitter transmission laser, through the transmission of optic fibre and grating, arrive optical signal receiving equipment on, operating personnel can confirm the light path according to received optical signal, simplified the step that the light path was confirmed, just the utility model discloses simple structure, convenient operation, portable.
Description
Technical Field
The utility model relates to a light fault detection technical field especially relates to a few mode fiber fault detection device.
Background
In the prior art, when an optical fiber installer detects an optical fiber line, an OTDR tester needs to be used, that is, one end of a light is cleaned by alcohol, and then the OTDR tester is connected to the end, an optical signal sent by the OTDR tester reaches a port at the other end of the optical fiber after being transmitted by the optical fiber, because the port of the optical fiber can reflect a certain optical signal, the sent optical signal reaches the OTDR tester after being transmitted by an optical path, and after receiving the optical signal, the OTDR tester displays an optical signal curve, and the installer can judge the condition of the optical path according to the signal curve on the OTDR tester. When detecting multipath signals, an inspector needs to install a grating at the other end of light to determine a specific line, and by using the method, equipment needs to be repeatedly installed and debugged at two ends of a light path, or a plurality of operators need to be respectively arranged at two ends of the light path, so that the investment of manpower is not increased, and the detection steps are complicated and tedious.
To above problem, the utility model provides a few mode fiber fault detection device, it can connect the grating of a plurality of differences in the one end of light path, can confirm fiber circuit through judging light signal, has simplified operating procedure, reduces check-out time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a few-mode optical fiber fault detection device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a few mode fiber failure detection device, is including optical signal transmitter, first fiber connector and second fiber connector, be equipped with the connector on the optical signal transmitter, first fiber connector one side is equipped with two spread grooves at least, and first fiber connector's opposite side is equipped with the fiber connection hole of being connected with the spread groove, spread groove and connector swing joint, be equipped with even grating, chirp grating and the slope grating of being connected with fiber circuit on the second fiber connector, even grating, chirp grating and slope grating connect into optical signal receiving equipment simultaneously.
Preferably, a shielding piece is slidably mounted on the first optical fiber connector.
Preferably, the outer surface of the optical signal transmitter is provided with a mounting groove for the first optical fiber connector to be inserted.
Preferably, the number of the mounting grooves is the same as that of the shielding sheets, and the first optical fiber connector additionally has a position corresponding to the size of the shielding sheet.
Preferably, a magnet for attracting the first optical fiber connector is arranged at the front end of the optical signal transmitter.
Preferably, the optical fiber connector further comprises a protective sleeve used for wrapping the second optical fiber connector.
Compared with the prior art, the utility model provides a few mode fiber fault detection device possesses following beneficial effect:
1. through setting up second fiber connector, be equipped with even grating, chirp grating and slope grating on the second fiber connector, connect second fiber connector into optical signal receiving equipment, the optical signal of being launched by optical signal transmitter reachs even grating respectively through the propagation of optic fibre, and during chirp grating and the slope grating, the change that the optical signal takes place the difference, can determine the fiber circuit from this.
2. Through setting up first fiber connector, slidable mounting shelters from the piece on first fiber connector, when the light path is not inserted to the spread groove, shelters from the piece and can protect the spread groove port not receive the erosion of dust to the light path is clean has been guaranteed.
3. Through setting up the mounting groove, when not using first fiber connector and second fiber connector, can cup joint the protective sheath with second fiber connector to whole cuttage is in the mounting groove, and first fiber connector can be inserted into in another mounting groove.
The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses an application has simplified the step that the light path is confirmed, the user only need with the other end switch-on simultaneously a plurality of different gratings can, the both ends that need not optic fibre again are measured repeatedly, have simplified the step that detects, just the utility model discloses simple structure, convenient operation, portable.
Drawings
Fig. 1 is a schematic structural diagram of an optical signal transmitter according to the present invention;
fig. 2 is a schematic structural diagram of a front side of a first optical fiber connector according to the present invention;
fig. 3 is a schematic structural diagram of a side surface of a first optical fiber connector according to the present invention;
fig. 4 is a schematic structural diagram of a second optical fiber connector according to the present invention.
In the figure: the optical fiber grating sensor comprises a 1-optical signal transmitter, a 2-connector, a 3-magnet, a 4-mounting groove, a 5-first optical fiber connector, a 6-shielding sheet, a 7-connecting groove, an 8-optical fiber connecting hole, a 9-second optical fiber connector, a 10-uniform grating, a 11-chirped grating, a 12-tilted grating and a 13-protective sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-4, a few-mode fiber fault detection device includes an optical signal transmitter 1, a first fiber connector 5 and a second fiber connector 9, where the optical signal transmitter 1 is provided with a connector 2, one side of the first fiber connector 5 is provided with at least two connection slots 7, the other side of the first fiber connector 5 is provided with a fiber connection hole 8 connected with the connection slot 7, the connection slot 7 is movably connected with the connector 2, the second fiber connector 9 is provided with a uniform grating 10, a chirped grating 11 and an inclined grating 12 connected with an optical fiber line, and the uniform grating 10, the chirped grating 11 and the inclined grating 12 are simultaneously connected to an optical signal receiving device.
In the utility model, the shielding piece 6 is slidably mounted on the first optical fiber connector 5, and the shielding piece 6 is mounted to prevent the connecting groove 7 from being eroded by dust, thereby ensuring the tidiness of the optical path; the first optical fiber connector 5 is used for shielding the connecting groove 7, and a position with the size of the shielding sheet 6 is additionally reserved on the first optical fiber connector 5 for the shielding sheet 6 to keep sliding; the number of the mounting grooves 4 is the same as that of the shielding pieces 6, the mounting grooves 4 for the cuttage of the first optical fiber connectors 5 are arranged on the outer surface of the optical signal transmitter 1, the first optical fiber connectors 5 and the second optical fiber connectors 9 which are idle can be connected to the optical signal transmitter 1 through the arrangement of the mounting grooves 4, the optical signal transmitter is convenient to carry by a user, and the occupied space of the utility model is saved; the front end of the optical signal transmitter 1 is provided with a magnet 3 for adsorbing a first optical fiber connector 5, and the first optical fiber connector 5 can be firmly fixed on the optical signal transmitter 1 by the arrangement of the magnet 3; the optical fiber connector comprises a first optical fiber connector 9 and a protective sleeve 13, wherein the first optical fiber connector 9 is wrapped by the protective sleeve 13, the second optical fiber connector 9 can be protected when the optical fiber connector is not used, and the uniform grating 10, the chirped grating 11 and the inclined grating 12 on the second optical fiber connector 9 are prevented from being infected with dust, so that the detection result can be influenced.
The utility model discloses an use step as follows: firstly, an operator cleans a light port, light at one end of a light path is respectively connected to the uniform grating 10, the chirped grating 11 and the inclined grating 12 on the second optical fiber connector 9, then the first optical fiber connector 5 is respectively connected to the other end of the light path, then the uniform grating 10, the chirped grating 11 and the inclined grating 12 are simultaneously connected to the optical signal receiving equipment, finally, the optical signal generator is respectively connected to the connecting groove 7 on the first optical fiber connector 5, and before the connecting groove 7 is connected, the corresponding shielding sheet 6 needs to slide. The laser emitted by the optical signal emitter 1 is transmitted by the optical fiber and the uniform grating 10, the chirped grating 11 and the inclined grating 12, and then is received by the optical signal receiving equipment, so that an operator observes the change of the optical signal, thereby judging which grating the other end of the accessed optical fiber passes through, and further obtaining the condition of the whole optical path. Compared with the prior art, the steps of determining the light path are simplified.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a few mode fiber failure detection device, its characterized in that, including optical signal transmitter (1), first fiber connector (5) and second fiber connector (9), be equipped with connector (2) on optical signal transmitter (1), first fiber connector (5) one side is equipped with two spread groove (7) at least, and the opposite side of first fiber connector (5) is equipped with fiber connection hole (8) of being connected with spread groove (7), spread groove (7) and connector (2) swing joint, be equipped with even grating (10), chirp grating (11) and slope grating (12) of being connected with fiber circuit on second fiber connector (9), even grating (10), chirp grating (11) and slope grating (12) connect into optical signal receiving equipment simultaneously.
2. The few-mode optical fiber fault detection device according to claim 1, characterized in that a shielding piece (6) is slidably mounted on the first optical fiber connector (5) for shielding the connecting slot (7).
3. The few-mode optical fiber fault detection device according to claim 2, wherein the outer surface of the optical signal transmitter (1) is provided with a mounting groove (4) for the first optical fiber connector (5) to be inserted.
4. The few-mode optical fiber fault detection device according to claim 3, wherein the number of the mounting grooves (4) is the same as the number of the shielding sheets (6).
5. The few-mode optical fiber fault detection device according to claim 1, wherein a magnet (3) for attracting the first optical fiber connector (5) is arranged at the front end of the optical signal transmitter (1).
6. The few-mode fiber optic fault detection device of claim 1, further comprising a protective boot (13) for wrapping around the second fiber optic connector (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020569481.9U CN211378026U (en) | 2020-04-17 | 2020-04-17 | Few-mode optical fiber fault detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020569481.9U CN211378026U (en) | 2020-04-17 | 2020-04-17 | Few-mode optical fiber fault detection device |
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| Publication Number | Publication Date |
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| CN211378026U true CN211378026U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020569481.9U Active CN211378026U (en) | 2020-04-17 | 2020-04-17 | Few-mode optical fiber fault detection device |
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| CN (1) | CN211378026U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113138065A (en) * | 2021-04-14 | 2021-07-20 | 温州大学 | Device and method for analyzing few-mode fiber faults based on multi-mode transmission reflection |
-
2020
- 2020-04-17 CN CN202020569481.9U patent/CN211378026U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113138065A (en) * | 2021-04-14 | 2021-07-20 | 温州大学 | Device and method for analyzing few-mode fiber faults based on multi-mode transmission reflection |
| CN113138065B (en) * | 2021-04-14 | 2022-08-16 | 温州大学 | Device and method for analyzing few-mode fiber faults based on multi-mode transmission reflection |
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