CN203733354U - Fiber fault detection teaching device - Google Patents
Fiber fault detection teaching device Download PDFInfo
- Publication number
- CN203733354U CN203733354U CN201420036869.7U CN201420036869U CN203733354U CN 203733354 U CN203733354 U CN 203733354U CN 201420036869 U CN201420036869 U CN 201420036869U CN 203733354 U CN203733354 U CN 203733354U
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- fiber
- optical fiber
- fibre
- link
- fault
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Abstract
The utility model discloses a fiber fault detection teaching device. The teaching device comprises a fiber distribution frame and a fiber link which is placed within the fiber distribution frame; each fiber link includes a jumping fiber, a bear fiber, two pigtail fibers and a pair of couplers; two ends of the bare fiber are respectively connected with one end of the two pigtail fibers; the other end of the two pigtail fibers is connected with the coupler; and the fiber link comprises four fault fiber links. According to the fiber fault detection teaching device of the utility model, the small size bare fiber and pigtail fiber and multiple fault links are integrated in the same fiber distribution frame, so that the great portability is realized; and the fault type, fault location, and name of each part of the fiber distribution are displayed, so as to help students to directly know the fiber transmission medium, the fiber connection, and the fiber terminating, and also help students to master the fiber fault detection, positioning and repair.
Description
Technical field
The utility model relates to practice teaching equipment field, especially relates to a kind of fiber failure and detects instructional device.
Background technology
Along with the datumization of miscellaneous service, the demand of wideband switch-in business increases, demand to optical fiber wiring personnel also increases greatly, whether the optic communication links of network comprehensive lining system meets the requirement of design standards and network transmission performance, need to carry out Tier1 test (length and attenuation test) and Tier2 test (Tier1 and OTDR), wherein, the English that OTDR is optical time domain reflectometer is called for short, and OTDR test needs high-accuracy OTDR instrument and professional OTDR tracing analysis ability.Student is in the time carrying out integrated wiring training or pre-job training, learn correct construction method, but owing to can not seeing intuitively the various faults of optical fiber wiring process and lacking construction experience, in practice of construction process, optical fiber wiring percent of pass is not high, existing fiber failure detects instructional device, make an optical fiber cable link for every kind of fault, be put into again in casing or rack, because fiber failure Linktype is more, while showing various fault, just need to carry multiple casings, carry inconvenience, in addition, in faulty link, do not show trouble spot, student cognitive and grasp trouble spot intuitively.
Application publication number is that the patent of CN103268718A discloses a kind of fiber failure test macro for imparting knowledge to students, formed by optical fiber local side apparatus fault test case, backbone optical cable fault test case and secondary light-splitting terminal fault test case, backbone optical cable fault test case comprise one-level Optical cross connects case, secondary light-splitting case and between the backbone optical cable link that connects, show the normal fiber failure occurring in FTTx equipment, but casing is too many, carry very inconveniently, also do not show construction technology and the optical fiber cognition of P2P.
Utility model content
Task of the present utility model is to provide a kind of good portability, and the fiber failure that can show intuitively optical fiber construction technique and various fiber failures detects instructional device and carries inconvenience to solve, can not show intuitively that optical fiber construction technique and various fiber failure so that student's cable wiring manufacture technological level are low, can not carry out fast the problem of fault detect and location.
The utility model is achieved through the following technical solutions:
A kind of fiber failure detects instructional device, comprise fibre distribution frame and be placed in the optical fiber link in fibre distribution frame, every optical fiber link includes naked fibre, two tail optical fibers and a pair of coupling mechanism, and naked fine two ends are connected with two tail optical fibers respectively, tail optical fiber other end butt coupling device; Described optical fiber link comprises four fault optical fiber links, and the mixed fault optical fiber link of the pattern that is respectively, splice loss, splice attenuation fault optical fiber link, overbend fault optical fiber link and connector pollute fault optical fiber link.Thus, can in same fibre distribution frame, show various faulty link, easy to carry and cognitive fiber failure point and optical fiber cable wiring manufacture technique very intuitively.
Further, also comprise outdoor armored fiber optic introducing portion and indoor optical-fibre introducing portion, the strengthening core steel wire of outdoor armored fiber optic introducing portion is screwed on fibre distribution frame, and indoor optical-fibre introducing portion is fixed on fibre distribution frame by band.Thus, can learn intuitively the installation method of outdoor armored fiber optic and indoor optical-fibre.
Further, also comprise fiber management tray, on it, plug-in mounting has longitudinal plate of wire inlet/outlet hole, and a side of plate is provided with winding frame.Thus, the naked fibre having more and tail optical fiber can be wound around, neat appearance, capacity is large and be independent of each other, and has ensured the security performance of optical fiber.
Further, splice tray is also installed, it comprises fibre melting disc and optical fiber tempreature bulb, and fibre melting disc is fixed on fibre distribution frame, and in optical fiber tempreature bulb, cover has the fused fiber splice section of tail optical fiber and naked fibre and is stuck on fibre melting disc.Thus, can prevent the stressed fracture of naked fine welding section.
Further, described optical fiber link also comprises normal optical fiber link.Contrast is provided when thus, normal optical fiber link can be for the cognitive fault optical fiber link of student.
Further, fibre distribution frame is drawer structure, is also provided with cover plate on fibre distribution frame, and cover plate is plexiglas.Adopt drawer structure to make the welding of optical fiber more convenient to operate with allotment line, transparent cover plate can protect the optical fiber link parts in fibre distribution frame can learn without uncap in use once convenient simultaneously.
Further, fiber failure link is also connected with transmitting optical cable and fiber optic test instrument, one end of described transmitting optical cable is connected with fiber optic test instrument emission port, the other end is connected with the corresponding coupling mechanism interface of fault optical fiber link, transmitting optical cable is 100m single mode transmitting optical cable, naked fine part is coiled on the spindle of fiber-optic cable of a disk, and two ends connect cephalic disc in disc surfaces.Connect 100m single mode transmitting optical cable and make decay dead band that its length is longer than optical fiber instrument to record the loss of first coupling apparatus in optical fiber link, and fiber reel can be improved to the consistance of test and the repeatability of loss test result on spindle of fiber-optic cable.
Further, described fiber optic test instrument is optical time domain reflectometer OTDR.Thus, can test very delicately each event of failure, find out fast trouble spot.
Further, described optical fiber link also comprises extended fiber link, and another coupling mechanism of described fault optical fiber link is by wire jumper and extended fiber link connection.Thus, in can measuring optical fiber link, the loss of second coupling apparatus be convenient to find out more accurately trouble spot.
Further, corresponding component names mark is posted on all parts side of fibre distribution frame.Thus, student is can be very intuitively cognitive and be familiar with all parts in optical fiber link.
The fiber failure that the utility model provides detects instructional device, good portability, can show intuitively optical fiber construction technique, various fiber failures fiber failure detect instructional device, can help student to optical fiber, fibre junction and fiber failure carry out comprehensively cognitive and understanding, improve cable wiring manufacture technological level.Simple to operate, can help student correctly to judge fault type in optical fiber wiring process, carry out fault detect and location fast, shorten the wiring talent's cultivation cycle.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model fiber failure detects instructional device;
Fig. 2 is the panel schematic diagram that the utility model fiber failure detects instructional device;
Wherein: 1-fibre distribution frame, 2-pattern is used fault optical fiber link with, 3-splice loss, splice attenuation fault optical fiber link, 4-overbend fault optical fiber link, 5-connector pollutes fault optical fiber link, 6-naked fibre, 7-tail optical fiber, 8-coupling mechanism, 9-outdoor armored fiber optic introducing portion, 9a-strengthening core steel wire, 9b-screw, 10-indoor optical-fibre introducing portion, 11-fiber management tray, 12-splice tray, 12a-fibre melting disc, 12b-optical fiber tempreature bulb, 13-extended fiber link, 14-normal optical fiber link, 15-component identification, 16-optical fiber instrument, 17-transmitting optical cable, 18-disk, 19-spindle of fiber-optic cable, 20-wire jumper.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As depicted in figs. 1 and 2, fiber failure detects instructional device and comprises fibre distribution frame 1 and be placed in the optical fiber link in fibre distribution frame 1, fibre distribution frame 1 is drawer structure, on it, be also provided with cover plate, cover plate is plexiglas, and corresponding component names mark 15 is posted on all parts side of fibre distribution frame 1.Every optical fiber link includes naked fine 6, two tail optical fibers 7 and a pair of coupling mechanisms 8, and naked fine 6 two ends are connected with two tail optical fibers 7 respectively, tail optical fiber 7 other end butt coupling devices 8; Described optical fiber link comprises extended fiber link 13, normal optical fiber link 14 and four fault optical fiber links, and four fault optical fiber links are respectively the mixed fault optical fiber link 2 of pattern, splice loss, splice attenuation fault optical fiber link 3, overbend fault optical fiber link 4 and connector and pollute fault optical fiber link 5.Wherein, the trouble spot of the mixed fault optical fiber link 2 of pattern is arranged on the welding section of corresponding optical fiber tempreature bulb 12b, by a single-mode fiber, multimode optical fiber welding respectively with corresponding tail optical fiber welding, then by single-mode fiber and multimode optical fiber welding; The trouble spot of splice loss, splice attenuation fault optical fiber link 3 is arranged on the welding section of corresponding optical fiber tempreature bulb 12b, and fibre core poor cutting technique is welded together, and causes splice loss, splice attenuation excessive; The cable outer diameter that after optical fiber being tangled in overbend fault optical fiber link 4, fiber bending radius is greater than twice does not meet optical fiber total internal reflection and causes fibre loss excessive; The trouble spot that connector pollutes fault optical fiber link 5 is arranged on transmitting optical cable connector, fiber connector artificial pollution is inserted in the coupling mechanism 8 that link is corresponding again and caused that loss is excessive, and the fiber connector of pollution also can be arranged on to extend in optical cable and insert on the connector of coupling apparatus 8.
Fiber failure detects instructional device and also comprises outdoor armored fiber optic introducing portion 9 and indoor optical-fibre introducing portion 10, and wherein, the strengthening core steel wire 9a of outdoor armored fiber optic introducing portion 9 is fixed on fibre distribution frame 1 by screw 9b; Indoor optical-fibre introducing portion 10 is fixed on fibre distribution frame 1 by band.Outdoor armored fiber optic introducing portion is six core single-mode fibers, and indoor optical-fibre introducing portion is four-core single mode, also can be six core multimode optical fibers.
In fibre distribution frame, be also provided with fiber management tray 11, on it, plug-in mounting has longitudinal plate 11a of wire inlet/outlet hole, and a side of plate is provided with winding frame 11b.Fiber management tray 11 quantity are two, are distributed in the left and right sides on fibre distribution frame 1, and fiber management tray 11 quantity also can be one.
Splice tray 12 is also installed, and it comprises fibre melting disc 12a and optical fiber tempreature bulb 12b, and fibre melting disc 12a is fixed on fibre distribution frame 1, and in optical fiber tempreature bulb 12b, cover has the fused fiber splice section of tail optical fiber 7 and naked fine 6 and is stuck on fibre melting disc 12a.
When measuring fiber faulty link, comprise the following steps:
Step 1, fiber optic calibration test instrumentation 16 and parameters, fiber cable type, content measurement and method are set, or call the built-in preset configuration file of test instrumentation;
Step 2, clean and check fiber port, use again optical fiber microexamination cleanliness after adopting anhydrous alcohol to clean end face dirt, fiber optic test instrument 16 carries out self-inspection display port connection to self coupling apparatus well can be tested;
Step 3, connect fiber optic test instrument 16, transmitting optical cable 17 and fault optical fiber link, optical fiber instrument 16 is OTDR, transmitting optical cable 17 one end are connected with the emission port of OTDR, coupling mechanism 8 interfaces that the other end is corresponding with fault optical fiber link connect, as preferably, another coupling mechanism 8 of fault optical fiber link is also connected with extended fiber link 13 by wire jumper 20.Wherein, transmitting optical cable 17 is 100m single mode transmitting optical cable, and naked fibre part is coiled on the spindle of fiber-optic cable 19 of disk 18, and two ends connect cephalic disc on disk 18 surfaces;
Step 4, measuring fiber link selects test item to start test on OTDR;
Step 5, analytical test result, after having tested, optical time domain reflectometer shows that current test result is for " failure " or " passing through ", fault is checked and location to end section inspection, optical time domain reflectometer trace analysis, loss certification, length certification or the management of LinkWare test result.
Repeat above step, can test respectively each fault optical fiber link and normal optical fiber link 14, according to the further analytical test result of standard GB/T 50312-2007, OTDR curve occurs that false increasing is excessive, test from the other end again, occur that it is the mixed fault of pattern that relaxation phenomenon can be judged to be that fiber mode do not mate; Test result shows that decay exceedes 0.75dB, is that connector pollutes fault for connector pollutes decay; OTDR test event result is that a loss value exceedes 0.3dB, and fault is splice loss, splice attenuation or curved transitions, further checks OTDR curve, and shortwave and long wave loss value are roughly equal is splice loss, splice attenuation, and it is curved transitions loss that long wave loss is obviously greater than shortwave loss.The fiber failure that the utility model provides detects instructional device, find position of failure point according to test result, and solve corresponding failure, each fault optical fiber link is independent, be independent of each other, by contrasting with the test result of normal optical fiber link 14, can more profoundly be familiar with and grasp the most common failure of optical fiber link again, fault is carried out analyzing and positioning and found solution.
Above-described is only embodiments more of the present utility model.For the person of ordinary skill of the art, not departing under the prerequisite of the utility model creation design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (10)
1. a fiber failure detects instructional device, it is characterized in that: comprise fibre distribution frame (1) and be placed in the optical fiber link in fibre distribution frame (1), every optical fiber link includes naked fibre (6), two tail optical fibers (7) and a pair of coupling mechanism (8), naked fibre (6) two ends are connected with two tail optical fibers (7) respectively, tail optical fiber (7) other end butt coupling device (8); Described optical fiber link comprises four fault optical fiber links, and the mixed fault optical fiber link (2) of the pattern that is respectively, splice loss, splice attenuation fault optical fiber link (3), overbend fault optical fiber link (4) and connector pollute fault optical fiber link (5).
2. fiber failure according to claim 1 detects instructional device, it is characterized in that: be also provided with outdoor armored fiber optic introducing portion (9) and indoor optical-fibre introducing portion (10), it is upper that the strengthening core steel wire (9a) of outdoor armored fiber optic introducing portion (9) is fixed on fibre distribution frame (1) by screw (9b), and indoor optical-fibre introducing portion (10) is fixed on fibre distribution frame (1) by band.
3. fiber failure according to claim 1 detects instructional device, it is characterized in that: also comprise fiber management tray (11), on it, plug-in mounting is provided with longitudinal plate (11a) of wire inlet/outlet hole, and a side of plate is provided with winding frame (11b).
4. fiber failure according to claim 1 detects instructional device, it is characterized in that: splice tray (12) is also installed, it comprises fibre melting disc (12a) and optical fiber tempreature bulb (12b), it is upper that fibre melting disc (12a) is fixed on fibre distribution frame (1), and in optical fiber tempreature bulb (12b), cover has the fused fiber splice section of tail optical fiber (7) and naked fibre (6) and is stuck on fibre melting disc (12a).
5. fiber failure according to claim 1 detects instructional device, it is characterized in that: described optical fiber link also comprises normal optical fiber link (14).
6. fiber failure according to claim 1 detects instructional device, it is characterized in that: described fibre distribution frame (1) is drawer structure, is also provided with cover plate on fibre distribution frame (1), and cover plate is transparent resin glass.
7. fiber failure according to claim 1 detects instructional device, it is characterized in that: described fiber failure link is also connected with transmitting optical cable (17) and fiber optic test instrument (16), one end of described transmitting optical cable (17) is connected with the emission port of fiber optic test instrument (16), the other end is connected with the corresponding coupling mechanism of fault optical fiber link (8) interface, transmitting optical cable (17) is 100m single mode transmitting optical cable, the spindle of fiber-optic cable (19) that its naked fine part is coiled in a disk (18) is upper, and two ends connect cephalic disc on disk (18) surface.
8. fiber failure according to claim 7 detects instructional device, it is characterized in that: described fiber optic test instrument (16) is optical time domain reflectometer OTDR.
9. fiber failure according to claim 7 detects instructional device, it is characterized in that: described optical fiber link also comprises extended fiber link (13), another coupling mechanism (8) of described fault optical fiber link is connected with extended fiber link (13) by wire jumper (20).
10. detect instructional device according to the fiber failure described in any one claim in claim 1 ~ 9, it is characterized in that: corresponding component names mark (15) is posted on all parts side of described fibre distribution frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420036869.7U CN203733354U (en) | 2014-01-21 | 2014-01-21 | Fiber fault detection teaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420036869.7U CN203733354U (en) | 2014-01-21 | 2014-01-21 | Fiber fault detection teaching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203733354U true CN203733354U (en) | 2014-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420036869.7U Expired - Fee Related CN203733354U (en) | 2014-01-21 | 2014-01-21 | Fiber fault detection teaching device |
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| Country | Link |
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| CN (1) | CN203733354U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103761905A (en) * | 2014-01-21 | 2014-04-30 | 广东交通职业技术学院 | Optical fiber fault detection teaching device and using method thereof |
| CN105823431A (en) * | 2016-03-25 | 2016-08-03 | 江苏骏龙电力科技股份有限公司 | Optical fiber over-bending detection method |
-
2014
- 2014-01-21 CN CN201420036869.7U patent/CN203733354U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103761905A (en) * | 2014-01-21 | 2014-04-30 | 广东交通职业技术学院 | Optical fiber fault detection teaching device and using method thereof |
| CN103761905B (en) * | 2014-01-21 | 2016-03-23 | 广东交通职业技术学院 | Fiber failure detects instructional device and using method |
| CN105823431A (en) * | 2016-03-25 | 2016-08-03 | 江苏骏龙电力科技股份有限公司 | Optical fiber over-bending detection method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20170121 |