CN111224714B - Online centralized detection and management equipment by using OTDR (optical time domain reflectometer) - Google Patents
Online centralized detection and management equipment by using OTDR (optical time domain reflectometer) Download PDFInfo
- Publication number
- CN111224714B CN111224714B CN201811414960.7A CN201811414960A CN111224714B CN 111224714 B CN111224714 B CN 111224714B CN 201811414960 A CN201811414960 A CN 201811414960A CN 111224714 B CN111224714 B CN 111224714B
- Authority
- CN
- China
- Prior art keywords
- time domain
- optical time
- domain reflectometer
- opening
- interface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention provides an online centralized detection and management device by utilizing OTDR (optical time domain reflectometer), which relates to the technical field of OTDR, wherein an optical fiber interface is electrically connected to the top end of an optical time domain reflectometer and positioned in a fixed plate, a movable groove is formed in the front end of the fixed plate, a small hole is formed in the upper portion of the left side of the fixed plate, the small hole is communicated with the movable groove, a clamping shaft is rotatably connected in the small hole, a movable plate is slidably connected in the movable groove, the front end of the movable plate is rotatably connected with a rotating shaft, the front end of the rotating shaft is rotatably connected with an opening and closing cylinder, the bottom end of the opening and closing cylinder is fixedly connected with an interface cylinder, branch bars are fixedly connected to the left side and the right side of the rear end of the optical time domain reflectomet; the work of realizing temperature detection further perfects the detection project, has solved optic fibre and the not hard up current signal frequency unstability that leads to of optic fibre interface connection department, and the too high problem that takes place the fire incident of optic fibre temperature.
Description
Technical Field
The invention relates to the technical field of OTDR (optical time domain reflectometer), in particular to an online centralized detection and management device by utilizing OTDR.
Background
In the existing on-line centralized detection and management equipment utilizing OTDR, because the equipment needs to switch and detect a plurality of optical fibers in daily use and is connected with the optical fibers after the equipment is used for a long time, when the optical fiber is detected, the looseness of the connecting port is easy to occur, so that the frequency of the current signal is unstable, the detection effect is influenced, secondly, the surface can produce high temperature when using, and current equipment mostly does not support temperature detection, though detect out other data of optic fibre, temperature data is unable to be judged, still has the potential safety hazard, so, we propose the fastening nature of guaranteeing optic fibre and optical fiber interface connection, avoid optic fibre and optical fiber interface connection mouth to appear becoming flexible and lead to current signal frequency unstable, realize temperature detection's work, further perfect the detection project, prevent that the too high fire incident that takes place of optic fibre temperature from, solve above-mentioned problem.
Disclosure of Invention
In order to solve the above technical problems, an object of the present invention is to provide an on-line centralized detection and management device using OTDR.
In order to achieve the purpose, the invention adopts the following technical scheme: the device comprises an optical time domain reflectometer and fixing plates, wherein the fixing plates are fixedly connected to the left side and the right side of the inner wall of the top end of the optical time domain reflectometer; the optical time domain reflectometer is characterized in that an optical fiber interface is electrically connected to the top end of the optical time domain reflectometer and located inside a fixed plate, a movable groove is formed in the front end of the fixed plate, a small hole is formed in the upper portion of the left side of the fixed plate, the small hole and the movable groove are communicated with each other, a clamping shaft is rotatably connected inside the small hole, a movable plate is slidably connected inside the movable groove, the front end of the movable plate is rotatably connected with a rotating shaft, the front end of the rotating shaft is rotatably connected with an opening and closing cylinder, the bottom end of the opening and closing cylinder is fixedly connected with an interface cylinder, the opening and closing cylinder and the interface cylinder are composed of two semicircular cylinders, the two semicircular cylinders of the opening and closing;
a strip, the equal fixedly connected with branch strip in optical time domain reflectometer rear end left and right sides, and branch strip inner wall has all opened the slide, be provided with interior axle between the slide, and interior axle left and right sides is located the slide inboard of the left and right sides respectively, interior axle and slide swing joint, and interior axle bottom fixedly connected with after-frame, open at after-frame front end middle part has the opening, and after-frame front end below left and right sides all imbeds and is provided with the magnetic core, there is the sensor after-frame rear end below through bolted connection, and the sensor top has evenly opened at least three arc groove, the arc inslot all has inlayed inductive probe, and sensor front end electric connection has the cable, the cable runs through and sets up in the after-frame.
Preferably, the optical time domain reflector comprises a battery port, a battery, an emitter, an OTDR port, a detector, a housing and the like, wherein at least seven buttons are uniformly and electrically connected to the lower part of the front end of the optical time domain reflector, a display screen is electrically connected to the upper part of the front end of the optical time domain reflector, and the display screen is embedded in the optical time domain reflector.
Preferably, the opening and closing cylinder and the interface cylinder can be opened and closed, the opening and closing cylinder and the interface cylinder surround the optical fiber interface, the movable plate moves up and down in the movable groove, and the tail end of the clamping shaft abuts against the movable plate.
Preferably, the length of the movable plate is at least 2cm, the distance between the optical fiber interface and the fixed plate is smaller than the length of the movable plate, and the clamping block is clamped between the two clamping grooves.
Preferably, the rear frame is located at the rear side of the optical time domain reflectometer, the left side and the right side below the rear end of the optical time domain reflectometer are both provided with grooves, the magnetic core is embedded in the grooves, and the sensor is electrically connected with the optical time domain reflectometer through a cable.
Preferably, the inductive probes are electrically connected with the sensor, and the arc grooves are located right behind the opening.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
according to the invention, the opening and closing barrel and the interface barrel are wrapped at the connecting position of the optical fiber and the optical fiber interface, the clamping block is clamped between the two clamping grooves, the opening and closing barrel and the interface barrel cannot be opened, the tightness of the connection of the optical fiber and the optical fiber interface is ensured, the current signal frequency instability caused by the looseness of the connecting position of the optical fiber and the optical fiber interface is avoided, and the detection effect is prevented from being influenced.
The optical fiber temperature detection device clamps two ends of the inner shaft through the slide ways, a user can respectively pass the optical fibers between the front end of the inner shaft and the optical time domain reflectometer, the optical fibers penetrate through the opening and are placed on the arc groove, the optical fibers are pressed to be tightly attached to the sensing probe in the arc groove, the sensing probe is controlled through the sensor to sense the temperature on the surface of the optical fibers and transmit the temperature to the optical time domain reflectometer through the cable, temperature data are detected by the detector of the optical time domain reflectometer and then displayed by the display screen, and therefore the temperature detection work is achieved, detection items are further perfected, and fire accidents caused by overhigh temperature of the optical fibers are prevented.
Drawings
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a fixing plate according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a part of the opening and closing cylinder according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of the structure of the components of the interface cylinder according to the embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an opening feature according to an embodiment of the present invention.
In the figure: 1, an optical time domain reflectometer; 101, pressing a key; 102 a display screen; 103 an optical fiber interface; 2, fixing a plate; 201 a movable slot; 202 small holes; 203 clamping a shaft; 204 movable plate; 205 a rotating shaft; 206 opening and closing the cylinder; 207 an interface cartridge; 208 card slots; 209, a fixture block; 3, branch bars; 301 a slideway; 302 an inner shaft; 303 is opened; 304 magnetic cores; 305 a sensor; 306 an inductive probe; 307 arc grooves; 308 a cable; 309, back box.
Detailed Description
The following describes a detailed embodiment of the present invention with reference to the accompanying drawings.
Referring to fig. 1-5, an on-line centralized detection and management device using OTDR includes an optical time domain reflectometer 1 and a fixing plate 2, wherein the fixing plate 2 is fixedly connected to both sides of the inner wall of the top end of the optical time domain reflectometer 1; the optical time domain reflectometer 1 is electrically connected with an optical fiber interface 103 at the top end of the optical time domain reflectometer 1 and positioned in the fixed plate 2, the front end of the fixed plate 2 is provided with a movable groove 201, the upper part of the left side of the fixed plate 2 is provided with a small hole 202, the small hole 202 and the movable groove 201 are communicated with each other, the inside of the small hole 202 is rotatably connected with a clamping shaft 203, the inside of the movable groove 201 is slidably connected with a movable plate 204, the front end of the movable plate 204 is rotatably connected with a rotating shaft 205, the front end of the rotating shaft 205 is rotatably connected with an opening and closing cylinder 206, the bottom end of the opening and closing cylinder 206 is fixedly connected with an interface cylinder 207, the opening and closing cylinder 206 and the interface cylinder 207 are composed of two semi-cylinders, the two semi-cylinders of the opening and closing cylinder 206 are hinged by the rotating shaft 205, the front side of the top end of the interface cylinder, when the optical time domain reflectometer 1 is used, one end of an optical fiber to be detected can be inserted into the optical fiber interface 103, after the optical fiber is connected, in order to ensure the firmness of the optical fiber and the optical fiber interface 103, the optical fiber and the optical fiber interface 103 need to be stabilized, firstly, the clamping shaft 203 is twisted out from the small hole 202, the opening and closing cylinder 206 and the interface cylinder 207 can be opened and closed, the opening and closing cylinder 206 and the interface cylinder 207 surround the optical fiber interface 103, the movable plate 204 moves up and down in the movable groove 201, the movable plate 204 at the tail end of the clamping shaft 203 is abutted against the movable plate 204, then, the movable plate 204 slides downwards, the opening and closing cylinder 206 and the interface cylinder 207 are opened, the opening and closing cylinder 206 and the interface cylinder 207 are adjusted at the connection position of the optical fiber and the optical fiber interface 103, and the interface cylinder 207 is aligned with the optical fiber interface 103, aligning the opening and closing cylinder 206 with the optical fiber, after the adjustment is completed, closing the two half cylinders of the opening and closing cylinder 206 and the interface cylinder 207, and forming a cylinder between the half cylinders, so that the opening and closing cylinder 206 and the interface cylinder 207 can be wrapped at the connecting position of the optical fiber and the optical fiber interface 103, the tightness of the connection of the optical fiber and the optical fiber interface 103 is ensured, the unstable current signal frequency caused by the looseness of the connecting position of the optical fiber and the optical fiber interface 103 is avoided, the detection effect is prevented from being influenced, the length of the movable plate 204 is at least 2cm, the distance between the optical fiber interface 103 and the fixed plate 2 is smaller than the length of the movable plate 204, the fixture block 209 is clamped between the two clamping grooves 208, in order to prevent the opening of the opening and closing cylinder 206 and the interface cylinder 207, a user can slide the fixture block 209, clamp the fixture block 209 between the two clamping grooves 208, the opening and closing cylinder 206 and, even if the fiber and the fiber interface 103 is wrapped by the opening and closing barrel 206 and the interface barrel 207, the end of the movable plate 204 is still located in the movable groove 201, and the movable plate 204 is prevented from being separated from the movable groove 201;
in this embodiment, as shown in fig. 1 to 5, the supporting bars 3 are fixedly connected to the left and right sides of the rear end of the optical time domain reflectometer 1, the inner walls of the supporting bars 3 are all provided with slide ways 301, an inner shaft 302 is arranged between the slide ways 301, the left and right sides of the inner shaft 302 are respectively located at the inner sides of the slide ways 301 at the left and right sides, the inner shaft 302 is movably connected with the slide ways 301, the bottom end of the inner shaft 302 is fixedly connected with a rear frame 309, the middle part of the front end of the rear frame 309 is provided with an opening 303, the left and right sides below the front end of the rear frame 309 are respectively embedded with a magnetic core 304, the lower part of the rear end of the rear frame 309 is connected with a sensor 305 through bolts, the top end of the sensor 305 is uniformly provided with at least three arc grooves 307, an inductive probe 306 is embedded in each arc groove 307, the front end of the sensor 305 is electrically connected with a cable 308, the, The optical time domain reflectometer comprises a battery, a transmitter, an OTDR port, a detector, a shell and the like, wherein the lower part of the front end of the optical time domain reflectometer 1 is uniformly and electrically connected with at least seven keys 101, the upper part of the front end of the optical time domain reflectometer 1 is electrically connected with a display screen 102, the display screen 102 is embedded in the optical time domain reflectometer 1, a user can start the optical time domain reflectometer through the keys 101, the optical fiber is detected by the optical time domain reflectometer 1, and the like, when optical pulse is transmitted in the optical fiber, because the property of the optical fiber can generate scattering and reflection, one part of the scattering and reflection can return to the optical time domain reflectometer 1, the returned useful information is measured by the detector of the optical time domain reflectometer 1, the returned useful information is used as time or curve segments on different positions in the optical fiber, the time from the transmission signal to the return signal, then the speed of the light in the glass substance, the display screen 102 displays the optical fiber to realize the detection of the optical fiber, the optical fiber can be detected and managed on line, if a user needs to detect the optical fiber comprehensively, the inner shaft 302 can be pulled out backwards, meanwhile, two ends of the inner shaft 302 slide in the slide way 301, two ends of the inner shaft 302 are clamped by the slide way 301 to prevent the inner shaft 302 from falling out, when the inner shaft 302 contacts the rear end of the slide way 301, the front end of the inner shaft 302 is separated from the optical time domain reflectometer 1 by a larger distance, the user can respectively pass the optical fiber between the front end of the inner shaft 302 and the optical time domain reflectometer 1, the optical fiber is placed on the arc groove 307 through the opening 303 and presses the optical fiber, the optical fiber is tightly attached to the induction probe 306 in the arc groove 307, the rear frame 309 is positioned at the rear side of the optical time domain reflectometer 1, the left side and the right side below the rear end of the optical time domain reflectometer 1 are both provided with grooves, the magnetic core 304 is embedded in the grooves, inductive probe 306 all with sensor 305 electric connection, and arc groove 307 all is located opening 303's dead back, control inductive probe 306 through sensor 305 and respond to the temperature on optical fiber surface, and transmit to optical time domain reflectometer 1 through the cable, temperature data is detected by the detector of optical time domain reflectometer 1, show by display screen 102 again, thereby realize the work of temperature detection, further perfect the testing project, prevent that the optical fiber temperature from taking out to the conflagration accident, after detecting, take out the optic fibre, and push away interior axle 302, back frame 309 is next to optical time domain reflectometer 1, magnetic core 304 enters into optical time domain reflectometer 1, pack up back frame 309.
The instrument used in the invention comprises:
the optical time domain reflectometer is of AOR500 type;
the display screen is of a RT635054 model;
the sensor is model DS18b 20;
the key is MP113 type;
the induction probe is TS-3950 and 604.
The above embodiments are described in detail for the purpose of further illustrating the present invention and should not be construed as limiting the scope of the present invention, and the skilled engineer can make insubstantial modifications and variations of the present invention based on the above disclosure.
Claims (6)
1. An OTDR on-line centralized detection and management device comprises an optical time domain reflectometer (1) and fixing plates (2), wherein the fixing plates (2) are fixedly connected to the left side and the right side of the inner wall of the top end of the optical time domain reflectometer (1); the method is characterized in that: the optical time domain reflectometer is characterized in that an optical fiber interface (103) is electrically connected to the top end of the optical time domain reflectometer (1) and positioned in a fixing plate (2), a movable groove (201) is formed in the front end of the fixing plate (2), a small hole (202) is formed in the upper portion of the left side of the fixing plate (2), the small hole (202) and the movable groove (201) are communicated with each other, a clamping shaft (203) is rotatably connected to the inner portion of the small hole (202), a movable plate (204) is slidably connected to the inner portion of the movable groove (201), a rotating shaft (205) is rotatably connected to the front end of the movable plate (204), an opening and closing cylinder (206) is rotatably connected to the front end of the rotating shaft (205), an interface cylinder (207) is fixedly connected to the bottom end of the opening and closing cylinder (206), the opening and closing cylinder (206) and the interface cylinder (207) are both composed of two semicircular cylinders, the opening and closing cylinder (206), the clamping grooves (208) correspond to each other, and clamping blocks (209) are connected in the clamping grooves (208) in a sliding manner;
the optical time domain reflectometer comprises supporting bars (3), wherein the left side and the right side of the rear end of the optical time domain reflectometer (1) are fixedly connected with the supporting bars (3), the inner walls of the supporting bars (3) are respectively provided with a slide way (301), an inner shaft (302) is arranged between the slide ways (301), the left side and the right side of the inner shaft (302) are respectively positioned at the inner sides of the slide ways (301) at the left side and the right side, the inner shaft (302) is movably connected with the slide ways (301), the bottom end of the inner shaft (302) is fixedly connected with a rear frame (309), the middle part of the front end of the rear frame (309) is provided with an opening (303), magnetic cores (304) are embedded at the left side and the right side below the front end of the rear frame (309), the lower part of the rear end of the rear frame (309) is connected with a sensor (305) through bolts, the top end of the sensor (305) is uniformly provided with at least three arc, the cable (308) penetrates through the rear frame (309).
2. An on-line centralized detection and management device using OTDR according to claim 1, characterized in that: the optical time domain reflectometer (1) comprises a battery port, a battery, an emitter, an OTDR port, a detector, a shell and the like, wherein the lower part of the front end of the optical time domain reflectometer (1) is uniformly and electrically connected with at least seven keys (101), the upper part of the front end of the optical time domain reflectometer (1) is electrically connected with a display screen (102), and the display screen (102) is embedded in the optical time domain reflectometer (1).
3. An on-line centralized detection and management device using OTDR according to claim 1, characterized in that: the opening and closing cylinder (206) and the interface cylinder (207) can be opened and closed, the opening and closing cylinder (206) and the interface cylinder (207) surround the optical fiber interface (103), the movable plate (204) moves up and down in the movable groove (201), and the tail end of the clamping shaft (203) abuts against the movable plate (204).
4. An on-line centralized detection and management device using OTDR according to claim 1, characterized in that: the length of the movable plate (204) is at least 2cm, the distance between the optical fiber interface (103) and the fixed plate (2) is smaller than the length of the movable plate (204), and the clamping block (209) is clamped between the two clamping grooves (208).
5. An on-line centralized detection and management device using OTDR according to claim 1, characterized in that: the rear frame (309) is located at the rear side of the optical time domain reflector (1), grooves are formed in the left side and the right side of the lower portion of the rear end of the optical time domain reflector (1), the magnetic core (304) is embedded in the grooves, and the sensor (305) is electrically connected with the optical time domain reflector (1) through a cable (308).
6. An on-line centralized detection and management device using OTDR according to claim 1, characterized in that: the inductive probes (306) are electrically connected with the sensor (305), and the arc grooves (307) are positioned right behind the opening (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811414960.7A CN111224714B (en) | 2018-11-23 | 2018-11-23 | Online centralized detection and management equipment by using OTDR (optical time domain reflectometer) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811414960.7A CN111224714B (en) | 2018-11-23 | 2018-11-23 | Online centralized detection and management equipment by using OTDR (optical time domain reflectometer) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111224714A CN111224714A (en) | 2020-06-02 |
| CN111224714B true CN111224714B (en) | 2021-03-05 |
Family
ID=70832127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811414960.7A Active CN111224714B (en) | 2018-11-23 | 2018-11-23 | Online centralized detection and management equipment by using OTDR (optical time domain reflectometer) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111224714B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112217560B (en) * | 2020-11-12 | 2022-07-29 | 苏北光缆有限公司 | Tester for OTDR test based on optical cable |
Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090124437A (en) * | 2008-05-30 | 2009-12-03 | 주식회사 피피아이 | Fixed reflector for otdr and supervisory apparaus thereuse |
| CN102840928A (en) * | 2012-08-22 | 2012-12-26 | 中国电力科学研究院 | Online temperature monitoring system and monitoring method for optical fiber composition phase conductor (OPPC) |
| JP2013221807A (en) * | 2012-04-14 | 2013-10-28 | Neolux Inc | Optical fiber strain sensor, and optical fiber temperature sensor |
| CN203503808U (en) * | 2013-10-28 | 2014-03-26 | 罗慧 | C type wire clamp |
| CN104465884A (en) * | 2014-12-23 | 2015-03-25 | 西南交通大学 | Beam-focusing device and method for optical fiber and superconducting thin film in single-photon detection system |
| CN204464863U (en) * | 2015-03-09 | 2015-07-08 | 广州供电局有限公司 | The charged insulator taking tool of pin insulator |
| CN204666872U (en) * | 2015-06-12 | 2015-09-23 | 国网山东章丘市供电公司 | A kind of optical fiber Quick Connect Kit |
| CN204903813U (en) * | 2015-09-14 | 2015-12-23 | 成都新锐鑫光通信技术有限公司 | Fibre -optical connector assembly |
| CN105291036A (en) * | 2015-12-04 | 2016-02-03 | 中国航空工业集团公司洛阳电光设备研究所 | Quick assembling and disassembling device for aviation plug |
| CN105509727A (en) * | 2016-01-19 | 2016-04-20 | 中国电子科技集团公司第二十三研究所 | Framework-free optical fiber loop winding clamp and winding method |
| CN105823496A (en) * | 2015-01-22 | 2016-08-03 | 西安金和光学科技有限公司 | Linear optical fiber sensing device |
| CN106059659A (en) * | 2016-05-20 | 2016-10-26 | 国网天津市电力公司 | Method of performing optical cable fault detection by utilizing fixed optical cable detection equipment |
| CN206161936U (en) * | 2016-11-11 | 2017-05-10 | 广东星玮电讯有限公司 | Sealed dustproof fiber distribution box |
| CN107131910A (en) * | 2017-06-02 | 2017-09-05 | 深圳市特发信息股份有限公司 | optical fiber loose tube performance testing device |
| CN107165461A (en) * | 2017-04-28 | 2017-09-15 | 东阳市光明电力建设有限公司 | Electric pole rotary clamp |
| CN207134751U (en) * | 2017-09-14 | 2018-03-23 | 江苏百安居管业有限公司 | One kind is fixed easily high voltage power cable sheath |
| CN207326711U (en) * | 2017-08-28 | 2018-05-08 | 绵阳思迈光网科技有限公司 | A kind of end surface of optical fiber connector grinding clamp |
| CN108173168A (en) * | 2017-12-20 | 2018-06-15 | 方芳 | A kind of cable pulling fixing device |
| CN207638664U (en) * | 2018-01-09 | 2018-07-20 | 沈祥瑞 | A kind of photoelectric converter that can be dust-proof when heat dissipation |
| CN207689103U (en) * | 2017-12-28 | 2018-08-03 | 辽宁和鸿盈科通信有限公司 | A kind of Cable Test Instrument convenient for placing |
| CN108695603A (en) * | 2018-06-18 | 2018-10-23 | 郭金泉 | Ear shape crocodile stings formula parallel groove clamp |
| CN208013490U (en) * | 2018-03-23 | 2018-10-26 | 一诺仪器（中国）有限公司 | A kind of optical time domain reflectometer connection plug-in unit |
| CN108761687A (en) * | 2018-06-25 | 2018-11-06 | 南京铁道职业技术学院 | A kind of novel optical fiber access case |
| CN208079078U (en) * | 2018-04-25 | 2018-11-09 | 吉林省荣达通讯工程有限公司 | A kind of optical cable OTDR testers |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201517530A (en) * | 2013-10-31 | 2015-05-01 | Hon Hai Prec Ind Co Ltd | Optical subassembly auxiliary detection device and detection method for optical subassembly |
-
2018
- 2018-11-23 CN CN201811414960.7A patent/CN111224714B/en active Active
Patent Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090124437A (en) * | 2008-05-30 | 2009-12-03 | 주식회사 피피아이 | Fixed reflector for otdr and supervisory apparaus thereuse |
| JP2013221807A (en) * | 2012-04-14 | 2013-10-28 | Neolux Inc | Optical fiber strain sensor, and optical fiber temperature sensor |
| CN102840928A (en) * | 2012-08-22 | 2012-12-26 | 中国电力科学研究院 | Online temperature monitoring system and monitoring method for optical fiber composition phase conductor (OPPC) |
| CN203503808U (en) * | 2013-10-28 | 2014-03-26 | 罗慧 | C type wire clamp |
| CN104465884A (en) * | 2014-12-23 | 2015-03-25 | 西南交通大学 | Beam-focusing device and method for optical fiber and superconducting thin film in single-photon detection system |
| CN105823496A (en) * | 2015-01-22 | 2016-08-03 | 西安金和光学科技有限公司 | Linear optical fiber sensing device |
| CN204464863U (en) * | 2015-03-09 | 2015-07-08 | 广州供电局有限公司 | The charged insulator taking tool of pin insulator |
| CN204666872U (en) * | 2015-06-12 | 2015-09-23 | 国网山东章丘市供电公司 | A kind of optical fiber Quick Connect Kit |
| CN204903813U (en) * | 2015-09-14 | 2015-12-23 | 成都新锐鑫光通信技术有限公司 | Fibre -optical connector assembly |
| CN105291036A (en) * | 2015-12-04 | 2016-02-03 | 中国航空工业集团公司洛阳电光设备研究所 | Quick assembling and disassembling device for aviation plug |
| CN105509727A (en) * | 2016-01-19 | 2016-04-20 | 中国电子科技集团公司第二十三研究所 | Framework-free optical fiber loop winding clamp and winding method |
| CN106059659A (en) * | 2016-05-20 | 2016-10-26 | 国网天津市电力公司 | Method of performing optical cable fault detection by utilizing fixed optical cable detection equipment |
| CN206161936U (en) * | 2016-11-11 | 2017-05-10 | 广东星玮电讯有限公司 | Sealed dustproof fiber distribution box |
| CN107165461A (en) * | 2017-04-28 | 2017-09-15 | 东阳市光明电力建设有限公司 | Electric pole rotary clamp |
| CN107131910A (en) * | 2017-06-02 | 2017-09-05 | 深圳市特发信息股份有限公司 | optical fiber loose tube performance testing device |
| CN207326711U (en) * | 2017-08-28 | 2018-05-08 | 绵阳思迈光网科技有限公司 | A kind of end surface of optical fiber connector grinding clamp |
| CN207134751U (en) * | 2017-09-14 | 2018-03-23 | 江苏百安居管业有限公司 | One kind is fixed easily high voltage power cable sheath |
| CN108173168A (en) * | 2017-12-20 | 2018-06-15 | 方芳 | A kind of cable pulling fixing device |
| CN207689103U (en) * | 2017-12-28 | 2018-08-03 | 辽宁和鸿盈科通信有限公司 | A kind of Cable Test Instrument convenient for placing |
| CN207638664U (en) * | 2018-01-09 | 2018-07-20 | 沈祥瑞 | A kind of photoelectric converter that can be dust-proof when heat dissipation |
| CN208013490U (en) * | 2018-03-23 | 2018-10-26 | 一诺仪器（中国）有限公司 | A kind of optical time domain reflectometer connection plug-in unit |
| CN208079078U (en) * | 2018-04-25 | 2018-11-09 | 吉林省荣达通讯工程有限公司 | A kind of optical cable OTDR testers |
| CN108695603A (en) * | 2018-06-18 | 2018-10-23 | 郭金泉 | Ear shape crocodile stings formula parallel groove clamp |
| CN108761687A (en) * | 2018-06-25 | 2018-11-06 | 南京铁道职业技术学院 | A kind of novel optical fiber access case |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111224714A (en) | 2020-06-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111224714B (en) | Online centralized detection and management equipment by using OTDR (optical time domain reflectometer) | |
| US4778248A (en) | Pressurized optical cable equipped to detect and locate pressure losses that might affect it | |
| CN210780795U (en) | Distributed optical fiber multi-parameter measurement light distribution control device of power optical cable network | |
| CN205352657U (en) | Connector interface converting box that optic fibre capability test used | |
| CN208076790U (en) | A kind of cable terminal box of data monitoring | |
| CN104483102A (en) | Intelligent on-line test device of power characteristics of carbon dioxide laser devices | |
| CN206990192U (en) | A kind of Cable Test Instrument | |
| CN216434158U (en) | Block terminal line detection equipment | |
| CN211629396U (en) | Light power prediction device convenient to installation | |
| CN214201842U (en) | LC optical fiber adapter with detection function | |
| CN216449028U (en) | Integrative optical power meter of ruddiness of optic fibre light sense | |
| CN211012893U (en) | Optical fiber length precision calculation device | |
| CN209387160U (en) | A kind of distributed Raman fiber temperature sensor system | |
| CN103162860A (en) | Optical fiber temperature measurement system of high voltage distribution cabinet | |
| CN205670078U (en) | A kind of plastic optical fiber signal detection device | |
| CN205912058U (en) | Optic fibre on -line monitoring system | |
| CN211927958U (en) | Installation device of fire-fighting equipment power monitoring sensor | |
| CN213148276U (en) | Be used for optic fibre wire jumper to detect auxiliary fixtures | |
| CN211123264U (en) | High tension cable prevents outer broken positioner | |
| CN212905070U (en) | Stepping motor test master control machine with leakage protection | |
| CN215065186U (en) | Switch stress detection device | |
| CN215448238U (en) | Handheld fluorescence optical fiber temperature measuring instrument with temperature measuring module replaceable on site | |
| CN221173461U (en) | Switch state indicator capable of self-checking | |
| CN214583731U (en) | Temperature detection device for power cable | |
| CN218349713U (en) | Combined special equipment tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |