CN115208467B - A broken string alarm device for optical cable installation - Google Patents

Abstract

The invention relates to a broken line alarm device for optical cable installation, which comprises a bottom plate frame, a shell frame and an alarm unit, wherein the bottom plate frame is of a rectangular structure, the shell frame is installed at the upper end of the bottom plate frame through a screw, the cross section of the shell frame is of a U-shaped structure, and the alarm unit is installed inside the shell frame. The invention can accurately compress and fix the optical fiber fusion joint, avoids the phenomenon that the optical fiber connection part is broken due to stress, simultaneously, the silica glass layer arranged on the clamping plate can effectively play a role in reducing the refraction effect in the signal transmission process, ensures the accurate transmission of optical fiber signals, and when the optical cable is broken, the alarm mechanism can actively send alarm information with corresponding position information while rapidly sending an alarm.

Description

A broken string alarm device for optical cable installation

Technical Field

The application relates to the field of alarm devices, in particular to a broken line alarm device for optical cable installation.

Background

Fiber optic cables are manufactured to meet optical, mechanical, or environmental performance specifications and utilize one or more optical fibers disposed in a covering jacket as the transmission medium and are telecommunication cable assemblies that may be used individually or in groups. The optical cable is a communication line which is formed by a certain number of optical fibers into a cable core in a certain mode, is externally coated with a sheath, and is also coated with an outer protective layer for realizing optical signal transmission. Because the optical cable is generally transported in a long distance, it is particularly important to be able to quickly determine the position of the broken optical cable.

In the existing broken line alarm device installed on the optical cable, for example, the chinese patent with publication number CN212587001U discloses a novel broken line alarm device, specifically, a copper wire induction layer is uniformly arranged on one side close to the reel, and a strip-shaped copper wire induction layer can be respectively arranged on the middle part and the upper part of one side close to the reel. During the in-service use, can set up several rectangular shape copper line induction layers according to actual demand more, theoretically speaking, the copper line generally will be beaten the well upper portion at the copper line touch panel after the broken string, triggers the processing of follow-up relay. However, the area on the copper line response layer on the copper line touch panel must be the better more, can further guarantee that the work that can all trigger the relay is come from which position, which angle to the copper line of having no matter broken guarantees the utility model discloses a disconnection alarm device's reliability.

In the prior art, a function of rapidly alarming for a broken wire can be realized, but on the first hand, in the prior art, a broken wire falls on the surface of an induction layer to form an induced current, so that a function of rapidly alarming for the broken wire of the wire is realized, however, in the long-distance optical cable transmission process, if the induction layer is arranged at the lower end of the optical cable, the use cost is greatly increased; in the second aspect, the above-mentioned prior art can only sense that the wire break fault occurs rapidly, but cannot accurately determine the wire break fault, and therefore, there is room for improvement in the technology of the wire break alarm device installed on the existing optical cable.

Disclosure of Invention

In order to realize carrying out automatic alarm processing after the optical cable breaks, the application provides a broken string alarm device for optical cable installation.

The application provides a broken string alarm device for optical cable installation adopts following technical scheme:

the utility model provides a broken string alarm device for optical cable installation, includes bottom plate frame, casing frame and alarm unit, the bottom plate frame is the rectangle structure, and there is the casing frame bottom plate frame upper end through the mounting screw, and the casing frame cross-section is U type structure, and casing frame internally mounted has alarm unit.

Alarm unit includes inlet wire sleeve pipe, separated time board, battery module, wire winding module, wiring module and alarm module, casing frame left side mid-mounting has the inlet wire sleeve pipe, the inside left side of casing frame is provided with battery module, bottom plate frame upper end mid-mounting has the wire winding module, the wiring module is evenly installed on the inside right side of casing frame, alarm module is evenly installed to casing frame up end, optical cable thread tip is connected with the inlet wire sleeve pipe, the optical cable thread is the multicore structure, the separated time board is installed in the inside left side of casing frame, evenly install the miniature light branch of one minute two on the separated time board right flank, every heart yearn of optical cable thread is connected with a miniature light branch respectively, miniature light branch still includes two outputs, and an output of miniature light branch passes the wire winding module and is connected with the wiring module, and another output of miniature light branch is connected with alarm module.

By adopting the technical scheme, the winding module plays a tensioning effect, so that one output end of the micro light splitting is always in a tensioning state, the wiring module can facilitate accurate connection of optical fibers, the transmission effect of the optical fibers is guaranteed, and when an optical cable main line is broken, the alarm module can rapidly give an alarm.

The wiring module includes wiring frame, moving mechanism, wire guide, fixture and sealing plug, the wiring frame is the rectangle structure, and the wiring frame middle part is hollow structure, and the wiring frame middle part is connected with the wire guide through sliding fit's mode, and the inside rectangular channel that evenly is provided with of wiring frame, rectangular channel are the cross and arrange, installs moving mechanism and fixture respectively in the rectangular channel, and moving mechanism and fixture staggered arrangement, moving mechanism middle part are connected with the wire guide, and the sealing plug is installed to the wiring frame tip.

Through adopting above-mentioned technical scheme, inside the optical cable heart yearn got into the connection terminal through the conductor board, the phenomenon that can not take place to move back can only be taken out forward along the conductor board middle part to the optical cable heart yearn, moving mechanism can drive the conductor board and outwards shift out, be convenient for the optical cable heart yearn tip shifts out, cut the optical cable heart yearn through the cutter, then get rid of the protective layer in the optical cable heart yearn outside, clean optical fiber through alcohol cloth, carry out accurate being connected through the mode of butt fusion to optical fiber and output sinle silk again, later moving mechanism drives the conductor board and withdraws inside the connection terminal, make the butt fusion department of optical fiber just be in connection terminal central point and put, fixture can be accurate compress tightly fixedly to optical fiber, avoid optical fiber connection department atress to take place the phenomenon of rupture.

Preferably, the winding module comprises a baffle, a rotating roller and a telescopic spring, the baffle is uniformly installed at the upper end of the bottom plate frame, a sliding groove is uniformly formed in the inner side surface of the baffle, a sliding block is connected to the sliding groove in a sliding fit mode, the rotating roller is installed between adjacent sliding blocks through a bearing, and the telescopic spring is installed between the sliding block and the sliding groove.

Through adopting above-mentioned technical scheme, the optical cable heart yearn on the output of miniature light branch passes from between the live-rollers, and the optical cable heart yearn is the zigzag and arranges, and when outwards spurring the optical cable heart yearn, the live-rollers inwards moves, and expanding spring is in compression state, and when the optical cable heart yearn inwards moves, expanding spring resets for the optical cable heart yearn is in the state of tightening all the time, prevents that the phenomenon of buckling from taking place for the optical cable heart yearn.

Preferably, the moving mechanism comprises a screw rod, a guide rod and a connecting block, the screw rod is connected with the inside of the bearing rectangular groove, the guide rod is fixedly installed inside the rectangular groove, the connecting block is uniformly arranged on the screw rod and the guide rod, the screw rod is in threaded fit with the connecting block, a rotating seat connected with the screw rod is arranged on the wiring frame, the guide rod is in sliding fit with the connecting block, and the connecting block is connected with the wire guide plate.

Through adopting above-mentioned technical scheme, when the manual work when rotating the seat through the spanner regulation, rotate the seat and pass through the screw rod and drive the junction box seesaw, do benefit to the butt fusion of optical cable heart yearn tip optic fibre, can receive back the junction box with the optic fibre after the butt fusion simultaneously, prevent that the optic fibre atress after the butt fusion from taking place cracked phenomenon.

Preferably, the middle part of the wire guide plate is provided with a through hole, the wire guide plate is symmetrically provided with wire guide wheels, the wire guide wheels are uniformly provided with anti-skidding grooves, the wire guide plate is provided with reeds matched with the anti-skidding grooves, and the wire guide wheels can rotate irreversibly.

Through adopting above-mentioned technical scheme, when the optical cable heart yearn outwards takes out, the wire wheel plays the effect of direction for the wire wheel can drive the outward movement gradually of optical cable heart yearn, and the reed plays spacing effect, makes the wire wheel only can forward rotation, and when the wire wheel reversal, reed and anti-skidding groove looks joint, and then can realize preventing the effect of wire wheel reversal.

Preferably, the clamping mechanism comprises an electric push rod and a clamping plate, the electric push rod is installed in the rectangular groove, and the top end of the electric push rod is connected with the clamping plate through a flange.

Through adopting above-mentioned technical scheme, when the cord plate outwards moved, electric putter drove the grip block inwards movement, prevented to produce between grip block and the cord plate and interfered, when the cord plate inwards moved, electric putter drove the grip block outwards ejecting for the grip block can be fixed with the optic fibre interface centre gripping after the butt fusion, avoids optic fibre to take place cracked phenomenon.

Preferably, the upper end of the clamping plate is provided with a concave groove, and a silica glass layer with a low refractive index is arranged on the inner concave surface of the clamping plate.

By adopting the technical scheme, the clamping plate can accurately play a clamping effect, so that the optical fiber can be accurately in a flat state, and meanwhile, the silicon glass layer can effectively play a role in reducing the refraction effect in the signal transmission process, and the accurate transmission of optical fiber signals is ensured.

Preferably, alarm module includes mounting bracket, detection mechanism and alarm mechanism, casing frame up end evenly is provided with the open slot, installs the mounting bracket in the open slot, and detection mechanism is installed on the inside left side of mounting bracket, and alarm mechanism is installed on the inside right side of mounting bracket, and detection mechanism and alarm mechanism are connected with battery module respectively.

By adopting the technical scheme, when the optical cable main line is broken, the optical fiber signal is interrupted, so that the detection mechanism cannot detect the optical fiber signal, the detection mechanism drives the alarm mechanism to work, and the alarm mechanism gives an alarm rapidly.

Preferably, detection mechanism is including grafting frame, light frame, photo resistor, winding coil, iron core and lamp pearl close, the grafting frame is installed to the mounting bracket lower extreme, and the grafting frame is connected with an output of miniature light branch, and mounting bracket internally mounted has the light frame of closing, and the light frame of closing is linked together with the grafting frame, and the light frame internally mounted that closes has photo resistor, and the iron core is installed on the inside right side of mounting bracket, and the winding coil is installed in the iron core outside, and the lamp pearl is installed on the left of the mounting bracket upper end, lamp pearl, photo resistor, winding coil and battery module series connection.

Through adopting above-mentioned technical scheme, when optical fiber signal normal access, the optical fiber signal through miniature light branch produces the light spot and shines on the photo resistance of closing the light stand inside, close the light stand and play the effect of shielding light, can make optical fiber signal produce the light spot and shine completely on the photo resistance simultaneously again, the circuit circular telegram this moment, the lamp pearl is bright, when optical fiber signal takes place to open circuit, the optical fiber signal light spot disappears, make the resistance on the photo resistance increase rapidly, make the circuit be in the state of opening circuit, the lamp pearl is not bright.

Preferably, alarm mechanism includes bee calling organ, release link and iron sheet, be provided with the guiding hole on the mounting bracket, be connected with the release link through sliding fit's mode in the guiding hole, be provided with reset spring on the release link, the iron sheet is installed to the release link lower extreme, installs bee calling organ on the mounting bracket, and bee calling organ is connected with battery module.

Through adopting above-mentioned technical scheme, when detection mechanism internal circuit takes place to open circuit, iron core outage magnetism disappears for iron sheet and iron core surface phase separation, the release link upwards bounces, and the release link can drive bee calling organ simultaneously and take place the police dispatch newspaper.

Preferably, the shell frame outside symmetry is provided with the heat dissipation grid, and the screen frame is installed to the symmetry on the bottom plate frame, is provided with the multilayer filter screen on the screen frame.

Through adopting above-mentioned technical scheme, the heat dissipation grid can play radiating effect, avoids the heat to pile up inside casing frame, and the screen frame plays filterable effect, prevents that external dust and moist air from getting into inside casing frame.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in order to be convenient for quick butt fusion between the optical cable, moving mechanism has been set up in this embodiment, moving mechanism can drive the wire guide outwards and shift out, the optical cable heart yearn tip of being convenient for shifts out, cut the optical cable heart yearn through the cutter, then get rid of the protective layer in the optical cable heart yearn outside, clean optical fiber through alcohol cloth, carry out accurate being connected through the mode of butt fusion to optic fibre and output core again, later moving mechanism drives the wire guide and withdraws inside the connection terminal frame, make the butt fusion department of optic fibre just be in connection terminal frame central point and put.

2. In order to clamp and fix the spliced optical fiber, the clamping mechanism is arranged in the embodiment, the clamping mechanism can accurately compress and fix the optical fiber, the phenomenon that the optical fiber joint is broken due to stress is avoided, and meanwhile, the silica glass layer arranged on the clamping plate can effectively play a role in reducing the refraction effect in the signal transmission process and ensure the accurate transmission of optical fiber signals.

3. In order to accurately detect the optical fiber signals, a plurality of detection mechanisms are arranged in the embodiment, and when the beads on the plurality of detection mechanisms are simultaneously unlit, the phenomenon that the input optical cable main line is broken can be judged; if only a single lamp bead is not bright, the phenomenon that the connection between the one-in-two micro light split and the optical cable main line is broken can be judged; if the lamp beads are lighted and the output optical cable core wire has no signal, the phenomenon that the connection between the micro light with one-to-two and the output optical cable core wire is broken can be judged.

4. In order to effectively and accurately reflect the alarm signal, the alarm mechanism is arranged in the embodiment, when the optical cable is disconnected, the alarm mechanism can send out an alarm rapidly and can send alarm information with corresponding position information actively, so that the fault finding and positioning time is greatly shortened, and the optical cable fault positioning time reaches second-level response.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a perspective view of the present application.

Fig. 2 is a schematic perspective view of the present application.

Fig. 3 is a schematic cross-sectional view of the floor frame, strainer holder and winding module according to the present invention.

Fig. 4 is a bottom view of the present application between the housing bracket and the alarm unit.

Fig. 5 is a sectional structure diagram of the present application.

Fig. 6 is a perspective view of the junction module of the present application.

Fig. 7 is a schematic sectional view of a junction module according to the present invention.

Fig. 8 is a sectional structure diagram of the alarm module of the present application.

Description of the reference numerals: 1. a base plate frame; 2. a housing frame; 21. a heat dissipation grid; 22. a screen frame; 3. an alarm unit; 31. a wire inlet sleeve; 32. a wire distributing plate; 33. a battery module; 34. a winding module; 341. a baffle plate; 342. a rotating roller; 343. a tension spring; 35. a wiring module; 351. a wire frame; 352. a moving mechanism; 3521. a screw; 3522. a guide bar; 3523. connecting blocks; 353. a wire guide plate; 354. a clamping mechanism; 3541. an electric push rod; 3542. a clamping plate; 355. a sealing plug; 36. an alarm module; 361. a mounting frame; 362. a detection mechanism; 3621. a plug-in frame; 3622. a light blocking frame; 3623. a photoresistor; 3624. a winding coil; 3625. an iron core; 3626. a lamp bead; 363. an alarm mechanism; 3631. a buzzer; 3632. a reset lever; 3633. iron sheets.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses a broken string alarm device for optical cable installation, can be accurate realize quick butt fusion installation between the cable and the function that can make the warning response rapidly after the optical cable broken string.

The first embodiment is as follows:

referring to fig. 1-3, for the broken string alarm device for optical cable installation that this embodiment discloses, a broken string alarm device for optical cable installation, including bottom plate frame 1, casing frame 2 and alarm unit 3, bottom plate frame 1 is the rectangle structure, and casing frame 2 is installed through the screw in bottom plate frame 1 upper end, and casing frame 2 cross-section is the U type structure, and casing frame 2 internally mounted has alarm unit 3.

2 outside symmetries of casing frame are provided with radiator grille 21, and screen frame 22 is installed to the symmetry on the bottom plate frame 1, is provided with the multilayer filter screen on the screen frame 22.

In the in-service use process, heat dissipation grid 21 can play radiating effect, avoids the heat to pile up inside casing frame 2, and screen frame 22 plays filterable effect, prevents that external dust and moist air from getting into inside casing frame 2.

Referring to as shown in fig. 1-4, alarm unit 3 includes incoming line sleeve 31, separated time board 32, battery module 33, wire-wound module 34, wiring module 35 and alarm module 36, 2 left sides mid-mounting of casing frame has incoming line sleeve 31, the inside left side of casing frame 2 is provided with battery module 33, bottom plate frame 1 upper end mid-mounting has wire-wound module 34, the inside right side of casing frame 2 evenly installs wiring module 35, alarm module 36 is evenly installed to casing frame 2 upper end face, optical cable thread tip is connected with incoming line sleeve 31, the optical cable thread is multicore structure, separated time board 32 is installed on the inside left side of casing frame 2, evenly install the miniature light branch of a minute two on the separated time board 32 right flank, every heart yearn of optical cable thread is connected with a miniature light branch respectively, miniature light branch still includes two outputs, an output of miniature light branch passes wound time board module 34 and is connected with wiring module 35, another output of miniature light branch is connected with alarm module 36.

In the actual use process, the winding module 34 plays a tensioning effect, so that one output end of the micro light splitting is always in a tensioned state, the wiring module 35 can facilitate accurate connection of the optical fiber, the transmission effect of the optical fiber is ensured, and when the optical cable main line is broken, the alarm module 36 can rapidly give an alarm.

It should be noted that the housing frame 2 is further provided with a plug port, the plug port is connected to the battery module 33, the plug port is used for being connected to an external power supply, and the battery module 33 is a rechargeable battery.

Referring to fig. 3, in order to enable the optical cable core wire to be always in a tensioned state, in this embodiment, a winding module 34 is provided, where the winding module 34 includes a baffle 341, a rotating roller 342 and a telescopic spring 343, the baffle 341 is uniformly installed at the upper end of the base plate frame 1, a uniform sliding slot is formed on the inner side surface of the baffle 341, a sliding block is connected in the sliding slot in a sliding fit manner, the rotating roller 342 is installed between adjacent sliding blocks through a bearing, and the telescopic spring 343 is installed between the sliding block and the sliding slot.

In the in-service use process, the optical cable heart yearn on the miniature optical branch's an output passes from between the live-rollers 342, and the optical cable heart yearn is the zigzag and arranges, and when outwards pulling the optical cable heart yearn, live-rollers 342 inwards moves, and expanding spring 343 is in the compression state, and when the optical cable heart yearn inwards moves, expanding spring 343 resets for the optical cable heart yearn is in the state of tightening all the time, prevents that the optical cable heart yearn from taking place the phenomenon of buckling.

Referring to fig. 5 to 7, in order to accurately realize an accurate connection function between optical cables, in this embodiment, a connection module 35 is provided, the connection module 35 includes a connection frame 351, a moving mechanism 352, a wire guide plate 353, a clamping mechanism 354 and a sealing plug 355, the connection frame 351 is in a rectangular structure, the middle of the connection frame 351 is in a hollow structure, the wire guide plate 353 is connected to the middle of the connection frame 351 in a sliding fit manner, rectangular grooves are uniformly provided in the connection frame 351, the rectangular grooves are arranged in a cross shape, the moving mechanism 352 and the clamping mechanism 354 are respectively installed in the rectangular grooves, the moving mechanism 352 and the clamping mechanism 354 are arranged in a staggered manner, the middle of the moving mechanism 352 is connected with the wire guide plate 353, and the sealing plug 355 is installed at an end of the connection frame 351.

In the in-service use process, the optical cable heart yearn gets into inside the connection terminal 351 through wire guide 353, the optical cable heart yearn can only be taken out forward along wire guide 353 middle part and can not take place the phenomenon of moving back, moving mechanism 352 can drive wire guide 353 and outwards shift out, be convenient for the optical cable heart yearn tip shifts out, cut the optical cable heart yearn through the cutter, cut and reserve 3-5cm, then get rid of the protective layer in the optical cable heart yearn outside, clean optical fiber through alcohol cloth, again carry out accurate being connected through the mode of butt fusion to optical fiber and output core, moving mechanism 352 drives wire guide 353 and withdraws inside connection terminal 351, make the butt fusion department of optical fiber just be in connection terminal 351 central point, fixture 354 can be accurate compress tightly fixed optical fiber, avoid the phenomenon that optical fiber connection department atress takes place the rupture.

In order to facilitate quick fusion between optical cables, a moving mechanism 352 is provided in this embodiment, the moving mechanism 352 includes a screw rod 3521, a guide rod 3522 and a connecting block 3523, the screw rod 3521 is connected inside a rectangular groove through a bearing, the guide rod 3522 is fixedly installed inside the rectangular groove, the connecting blocks 3523 are uniformly provided on the screw rod 3521 and the guide rod 3522, the screw rod 3521 is in threaded fit with the connecting block 3523, a rotating seat connected with the screw rod 3521 is provided on the junction box 351, the guide rod 3522 is in sliding fit with the connecting block 3523, and the connecting blocks 3523 are connected with the wire guide plate 353.

In the in-service use process, when the manual work when rotating the seat through the spanner regulation, rotate the seat and pass through screw rod 3521 and drive junction box 351 seesaw, do benefit to the butt fusion of optical cable heart yearn tip optic fibre, can receive back junction box 351 with the optic fibre after the butt fusion simultaneously, prevent that the optic fibre atress after the butt fusion from taking place cracked phenomenon.

In order to prevent the optical cable core wire drawn out outwards from retracting, in this embodiment, a through hole is formed in the middle of the wire guide plate 353, wire guide wheels 3531 are symmetrically arranged on the wire guide plate 353, anti-slip grooves are uniformly formed in the wire guide wheels 3531, and spring pieces matched with the anti-slip grooves are arranged on the wire guide plate 353, and the wire guide wheels rotate irreversibly.

In the in-service use process, when the optical cable heart yearn outwards takes out, wire wheel 3531 plays the effect of direction, make wire wheel 3531 can drive the optical cable heart yearn and outwards move gradually, the reed plays spacing effect, make wire wheel 3531 only can forward rotation, when wire wheel 3531 reverses, reed and anti-skidding groove looks joint, and then can realize preventing the effect of wire wheel 3531 reversal, avoid the optic fibre after the butt fusion to receive the inside restoring force effect of winding module 34 down to take place to collapse disconnected phenomenon.

In order to clamp and fix the fused optical fiber, a clamping mechanism 354 is provided in this embodiment, the clamping mechanism 354 includes an electric push rod 3541 and a clamping plate 3542, the electric push rod 3541 is installed in the rectangular groove, and the clamping plate 3542 is connected to the top end of the electric push rod 3541 through a flange.

In an actual use process, when the wire guide plate 353 moves outwards, the electric push rod 3541 drives the clamping plate 3542 to move inwards to prevent interference between the clamping plate 3542 and the wire guide plate 353, and when the wire guide plate 353 moves inwards, the electric push rod 3541 drives the clamping plate 3542 to eject outwards, so that the clamping plate 3542 can clamp and fix the fused optical fiber interface, and the phenomenon that the optical fiber is broken is avoided.

In order to reduce the refraction of the optical fiber signal at the fusion splicing interface, in this embodiment, a concave groove is formed at the upper end of the clamping plate 3542, and a silica glass layer with a low refractive index is mounted on the inner concave surface of the clamping plate 3542.

In the actual use process, the clamping plate 3542 can accurately play a clamping role, so that the optical fiber can be accurately in a flat state, and meanwhile, the silica glass layer can effectively play a role in reducing the refraction effect in the signal transmission process, and the accurate transmission of the optical fiber signal is ensured.

The second embodiment:

referring to fig. 8, on the basis of the first embodiment, in order to accurately and quickly respond to a broken optical cable and greatly shorten the time for finding and locating a fault, a corresponding alarm module 36 is provided in the second embodiment.

With reference to fig. 8, in order to realize the function of rapidly giving an alarm to the signal after the optical cable is disconnected, the alarm module 36 includes an installation frame 361, a detection mechanism 362 and an alarm mechanism 363, an open slot is uniformly arranged on the upper end face of the housing frame 2, the installation frame 361 is installed in the open slot, the detection mechanism 362 is installed on the left side inside the installation frame 361, the alarm mechanism 363 is installed on the right side inside the installation frame 361, and the detection mechanism 362 and the alarm mechanism 363 are respectively connected to the battery module 33.

In the actual use process, when the optical cable main line is broken, the optical fiber signal is interrupted, so that the detection mechanism 362 cannot detect the optical fiber signal, the detection mechanism 362 drives the alarm mechanism 363 to work, and the alarm mechanism 363 can actively send alarm information with corresponding position information while rapidly sending an alarm.

In order to accurately detect the optical fiber signal, a detection mechanism 362 is provided in this embodiment, the detection mechanism 362 includes a plug-in frame 3621, a light-blocking frame 3622, a photo resistor 3623, a winding coil 3624, an iron core 3625 and a lamp bead 3626, the plug-in frame 3621 is installed at the lower end of the mounting frame 361, the plug-in frame 3621 is connected with an output end of the micro light beam, the light-blocking frame 3622 is installed inside the mounting frame 361, the photo resistor 3622 is communicated with the plug-in frame 3621, the photo resistor 3623 is installed inside the light-blocking frame 3622, the iron core 3625 is installed on the right side inside the mounting frame 361, the winding coil 3624 is installed on the outer side of the iron core 3625, the lamp bead 3626 is installed on the left side of the upper end of the mounting frame 361, and the lamp beads 3626, the photo resistor 3623, the winding coil 3624 and the battery module 33 are connected in series.

In the practical use process, when the optical fiber signal is normally switched on, the optical fiber signal separated by the micro light generates a light spot to irradiate on the photosensitive resistor 3623 inside the light-blocking frame 3622, the light-blocking frame 3622 plays a role in shielding light, and simultaneously, the light spot generated by the optical fiber signal can completely irradiate on the photosensitive resistor 3623, at the moment, the circuit is powered on, the light bead 3626 is bright, when the optical fiber signal is switched off, the light spot of the optical fiber signal disappears, so that the resistance on the photosensitive resistor 3623 is rapidly increased, the circuit is in an open-circuit state, and the light bead 3626 is not bright.

It should be noted that the photo resistor 3623 is a specific resistor, and under the effect of the optical fiber signal with a specific wavelength in the optical fiber transmission, the resistance of the photo resistor 3623 is rapidly decreased, so that the circuit is in a closed state, and when the optical fiber signal is interrupted, the resistance of the photo resistor 3623 is rapidly increased, so that the circuit is in an open state.

It should be noted that, the number of the detection mechanisms 362 is plural, and when the beads 3626 on the plural detection mechanisms 362 are simultaneously turned off, it can be determined that the input optical cable main line is broken; if only a single lamp bead 3626 is not bright, the phenomenon that the connection between the micro light beam divided into two and the optical cable main line is broken can be judged, and manual maintenance is needed at the moment; if the lamp bead 3626 is on and the optical cable core wire after output has no signal, the phenomenon that the connection between the micro light with one minute and two minutes and the optical cable core wire after output is broken can be judged, and manual maintenance is needed at the moment.

In order to effectively and accurately reflect an alarm signal, the alarm mechanism 363 is provided in this embodiment, the alarm mechanism 363 includes a buzzer 3631, a reset rod 3632 and an iron sheet 3633, a guide hole is provided on the mounting bracket 361, the reset rod 3632 is connected in the guide hole in a sliding fit manner, a reset spring is provided on the reset rod 3632, the iron sheet 3633 is installed at the lower end of the reset rod 3632, the buzzer 3631 is installed on the mounting bracket 361, and the buzzer 3631 is connected with the battery module 33.

In the actual use process, when the internal circuit of the detecting mechanism 362 is broken, the iron core 3625 is powered off and the magnetism disappears, so that the iron sheet 3633 is separated from the surface of the iron core 3625, the reset rod 3632 bounces upwards, and meanwhile the reset rod 3632 can drive the buzzer 3631 to alarm.

It should be noted that, a wireless transmitting module is further disposed on the alarm mechanism 363, and when the alarm mechanism 363 is powered on and gives an alarm, the wireless transmitting module can simultaneously and actively transmit alarm information with corresponding position information, so that the time for finding and positioning a fault is greatly shortened, and the time for positioning a fault on an optical cable reaches a second-level response.

The implementation principle of the embodiment is as follows:

1: the optical cable main line is branched, the end part of the optical cable main line is connected with the incoming line sleeve 31, the optical cable main line is of a multi-core structure, the left side inside the shell frame 2 is provided with the branching board 32, the right side surface of the branching board 32 is uniformly provided with one-to-two micro light branches, each core wire of the optical cable main line is respectively connected with one micro light branch, each micro light branch further comprises two output ends, one output end of each micro light branch penetrates through the winding module 34 to be connected with the wiring module 35, and the other output end of each micro light branch is connected with the alarm module 36.

2: output optical cable butt fusion, can drive wire guide 353 through moving mechanism 352 and outwards shift out, be convenient for optical cable heart yearn tip shifts out, cut the optical cable heart yearn through the cutter, 3-5cm is reserved in the shearing, then get rid of the protective layer in the optical cable heart yearn outside, clean optical fiber through alcohol cloth, carry out accurate connection to optic fibre and output core again through the mode of butt fusion, later moving mechanism 352 drives wire guide 353 and withdraws inside junction frame 351, make the butt fusion department of optic fibre just be in junction frame 351 central point, fixture 354 can be accurate compress tightly fixedly to optical fiber, avoid the phenomenon that the rupture takes place for the stress of fiber connection department.

3: the alarm of broken string, when the optical fiber signal normally closed, the optical fiber signal through miniature light branch produces the light spot and shines on the photoresistor 3623 of closing light frame 3622 inside, it plays the effect of shielding light to close light frame 3622, simultaneously can make the optical fiber signal produce the light spot and shine completely on photoresistor 3623 again, the circuit circular telegram this moment, lamp pearl 3626 is bright, when the optical fiber signal takes place the disconnection, the optical fiber signal light spot disappears, make the resistance on the photoresistor 3623 increase rapidly, make the circuit be in the state of disconnection, lamp pearl 3626 is not bright, iron core 3625 outage magnetism disappears this moment, make iron sheet 3633 and iron core 3625 surface phase separation, reset lever 3632 upwards bounces, reset lever 3632 can drive bee calling organ 3631 and take place the alarm simultaneously.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (10)

1. The utility model provides a broken string alarm device for optical cable installation, includes bottom plate frame (1), casing frame (2) and alarm unit (3), its characterized in that, bottom plate frame (1) is the rectangle structure, and casing frame (2) are installed through the screw in bottom plate frame (1) upper end, and casing frame (2) cross-section is U type structure, and casing frame (2) internally mounted has alarm unit (3), wherein:

the alarm unit (3) comprises a wire inlet sleeve (31), a branching plate (32), a battery module (33), a winding module (34), a wiring module (35) and an alarm module (36), the wire inlet sleeve (31) is installed in the middle of the left side of the shell frame (2), the battery module (33) is arranged on the left side inside the shell frame (2), the wiring module (34) is installed in the middle of the upper end of the bottom plate frame (1), the wiring module (35) is evenly installed on the right side inside the shell frame (2), the alarm module (36) is evenly installed on the upper end face of the shell frame (2), the end portion of an optical cable is connected with the wire inlet sleeve (31), the optical cable main wire is of a multi-core structure, the branching plate (32) is installed on the left side inside the shell frame (2), two micro light branches are evenly installed on the right side face of the branching plate (32), each core wire of the optical cable is connected with one micro light branch respectively, the micro light branch further comprises two output ends, one output end of the micro light branch penetrates through the wiring module (34) to be connected with the wiring module (35), and the other output end of the micro light branch is connected with the alarm module (36);

wiring module (35) are including connection frame (351), moving mechanism (352), wire guide (353), fixture (354) and sealing plug (355), connection frame (351) is the rectangle structure, connection frame (351) middle part is hollow structure, connection frame (351) middle part is connected with wire guide (353) through sliding fit's mode, connection frame (351) inside evenly is provided with the rectangular channel, the rectangular channel is the cross and arranges, moving mechanism (352) and fixture (354) are installed respectively to the rectangular channel, moving mechanism (352) and fixture (354) staggered arrangement, moving mechanism (352) middle part is connected with wire guide (353), sealing plug (355) are installed to connection frame (351) tip.

2. A disconnection warning device for optical cable installation according to claim 1, wherein: the winding module (34) comprises a baffle (341), a rotating roller (342) and a telescopic spring (343), the baffle (341) is evenly installed at the upper end of the bottom plate frame (1), an even sliding groove is formed in the inner side surface of the baffle (341), a sliding block is connected in the sliding groove in a sliding fit mode, the rotating roller (342) is installed between the adjacent sliding blocks through a bearing, and the telescopic spring (343) is installed between the sliding block and the sliding groove.

3. A disconnection warning device for optical cable installation according to claim 1, wherein: moving mechanism (352) include screw rod (3521), guide arm (3522) and connecting block (3523), screw rod (3521) are connected through bearing rectangular channel inside, guide arm (3522) fixed mounting is inside the rectangular channel, evenly be provided with connecting block (3523) on screw rod (3521) and guide arm (3522), screw rod (3521) and connecting block (3523) screw-thread fit, be provided with the seat of rotating of being connected with screw rod (3521) on connection frame (351), guide arm (3522) and connecting block (3523) sliding fit, be connected with wire guide (353) between connecting block (3523).

4. A disconnection warning device for optical cable installation according to claim 1, wherein: the wire guide plate (353) is provided with a through hole in the middle, wire guide wheels (3531) are symmetrically arranged on the wire guide plate (353), anti-skidding grooves are uniformly formed in the wire guide wheels (3531), spring leaves matched with the anti-skidding grooves are arranged on the wire guide plate (353), and the wire guide wheels can rotate irreversibly.

5. A disconnection warning device for optical cable installation according to claim 1, wherein: the clamping mechanism (354) comprises an electric push rod (3541) and a clamping plate (3542), the electric push rod (3541) is installed in the rectangular groove, and the top end of the electric push rod (3541) is connected with the clamping plate (3542) through a flange.

6. A disconnection warning device for optical cable installation according to claim 5, wherein: the upper end of the clamping plate (3542) is provided with a concave groove, and a silica glass layer with low refractive index is arranged on the inner concave surface of the clamping plate (3542).

7. A disconnection warning device for optical cable installation according to claim 1, wherein: alarm module (36) include mounting bracket (361), detection mechanism (362) and alarm mechanism (363), casing frame (2) up end evenly is provided with the open slot, installs mounting bracket (361) in the open slot, and detection mechanism (362) are installed to the inside left side of mounting bracket (361), and alarm mechanism (363) are installed on the inside right side of mounting bracket (361), and detection mechanism (362) and alarm mechanism (363) are connected with battery module (33) respectively.

8. A disconnection warning device for an optical cable installation according to claim 7, wherein: detection mechanism (362) is including grafting frame (3621), light frame (3622) closes, photo resistance (3623), winding coil (3624), iron core (3625) and lamp pearl (3626), grafting frame (3621) is installed to mounting bracket (361) lower extreme, grafting frame (3621) is connected with an output of miniature light branch, mounting bracket (361) internally mounted has light frame (3622) of closing, it is linked together with grafting frame (3621) to close light frame (3622), it has photo resistance (3623) to close light frame (3622) internally mounted, iron core (3625) are installed on mounting bracket (361) inside right side, winding coil (3624) are installed in iron core (3625) outside, lamp pearl (3626) are installed on mounting bracket (361) upper end left side, lamp pearl (3626), photo resistance (3623), winding coil (3624) and battery module (33) series connection.

9. A disconnection warning device for optical cable installation according to claim 7, wherein: alarm mechanism (363) include bee calling organ (3631), release link (3632) and iron sheet (3633), be provided with the guiding hole on mounting bracket (361), be connected with release link (3632) through sliding fit's mode in the guiding hole, be provided with reset spring on release link (3632), iron sheet (3633) are installed to release link (3632) lower extreme, install bee calling organ (3631) on mounting bracket (361), bee calling organ (3631) are connected with battery module (33).

10. A disconnection warning device for optical cable installation according to claim 1, wherein: the shell frame (2) outside symmetry is provided with heat dissipation grid (21), and screen frame (22) are installed to the symmetry on bottom plate frame (1), are provided with the multilayer filter screen on screen frame (22).

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