CN206656743U - Fiber switch sensing network - Google Patents
Fiber switch sensing network Download PDFInfo
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- CN206656743U CN206656743U CN201720315483.3U CN201720315483U CN206656743U CN 206656743 U CN206656743 U CN 206656743U CN 201720315483 U CN201720315483 U CN 201720315483U CN 206656743 U CN206656743 U CN 206656743U
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Abstract
The utility model discloses a kind of fiber switch sensing network, including being sequentially connected in series and multiple fiber cable cross connection boxes multiple junction sensors correspondingly, each junction sensor has first, second, and third port, first port is connected to the 3rd port of the junction sensor of upper level by higher level's optical fiber, 3rd port is connected to the first port of the junction sensor of next stage by subordinate's optical fiber, and second port is connected to local fiber cable cross connection box by local fiber and senses subnet；The first port of the junction sensor of head end is connected to a signal resolution equipment, the 3rd port termination of the junction sensor of tail end.The utility model is by multiple fiber cable cross connection boxes by carrying out networking with its one-to-one junction sensor, realize and utilize networking monitoring of the less fiber resource to multiple fiber cable cross connection boxes, solve because communications equipment room is less, it is difficult to find the technical barrier that enough communications equipment rooms dispose signal resolution equipment nearby.
Description
Technical field
Optical sensing field is the utility model is related to, is specifically related to a kind of fiber switch sensing network.
Background technology
Fiber cable cross connection box is the handing-over equipment that optic fiber distribution, jumper connection are provided for main dried layer optical cable, wiring layer optical cable.Optical cable draws
After entering fiber cable cross connection box, after fixation, termination, with fibre, trunk layer optical cable is connected with wiring layer optical cable using jumping fiber.It is led
It is used to connect backbone optical cable and branched cable in fiber optic cable communications network, terminal, protection, connection and tune is carried out to optical cable, optical fiber
Spend the distribution plant of management.
With the popularization of TTX network technologies, the extension of Various types of data business, operator largely sets optical cable to hand in city
Connect the access that case is used for fiber cable network.It is a large amount of important industry of carrying again but most of fiber cable cross connection box is installed outdoors, in case
The mute resource of business, as inactive component, longtime running out of doors, make by safe operation of the changeable peripheral environment to fiber cable cross connection box
Into potential threat, attendant can not distally be managed and monitoring is a very serious and urgent problem to be solved.
Because substantial amounts of fiber cable cross connection box is all the branch distributor case of optical fiber passive connection, fiber cable cross connection box is dispersed in city
Each corner, the access and management of power supply can not be accomplished, therefore in general electric transducer can not be applied.There is operator's design to open
The cross-connecting box management system of solar energy and battery is sent out, still, this kind of equipment investment cost is high, and operation maintenance cost is also high, because
And it is difficult to popularize.Because fiber cable cross connection box by unauthorised broken, casualty loss and caused by fiber-optic signal failure have resulted in fortune
The substantial amounts of O＆M of business and traffic lost are sought, serious even causes political fallout.Therefore, the safety of cross-connecting box is ensured, is to protect
Hinder the most important condition that network last one kilometer can be unobstructed.
In order to ensure the safety of cross-connecting box, a kind of chamber door that can detect fiber cable cross connection box is objectively needed to open and close
Technological means and sensing equipment, to judge whether fiber cable cross connection box is illegally opened, still, fiber cable cross connection box for optical fiber jump
Fibre, power supply is not provided.So objectively require that the switch sensor is inactive component.The door opening or closing shape that sensing equipment is detected
State amount is also required to pass to background system in the case of not powering.Therefore, present applicant has proposed a kind of reflection based on optical fiber
Formula switch sensor and a kind of transmission-type switch sensor based on optical fiber, referring to patent document CN205861075U and
CN205861076U, the reflected light break-make of the light beam sent using DC light source in the sensor express the opening and closing shape of sensor
State.This two classes switch sensor have been applied in distributing box of communication optical cable door leaf open, closure sensing in, by it is reflective with
The combination of two kinds of sensors of transmission-type, it is possible to achieve the monitoring to the multiple leaf door page of multi-door fiber cable cross connection box.
But for for handle reflected light signal signal resolution equipment can only by the presence of reflected light in optical fiber with
It is no to judge the door leaf open and-shut mode of single fiber optic cable cross-connecting box, i.e. a single fiber optic cable cross-connecting box corresponding signal resolution equipment, this
Result in needing to use a large amount of idle fiber resources to complete to multiple fiber cable cross connection box door leaf open and-shut modes in practical application
Monitoring, and then cause the deployment of optical fiber sensing system to cause the reduction of telecom operators' fiber optic network dilatation ability.
In addition, fiber cable cross connection box generally along optical cable tunnel-type into tandem semicircular configuration.Because base station was set in recent years
Standby size reduction, communications equipment room become fewer and fewer, cause to be difficult to find that enough communications equipment rooms dispose nearby now
For handling the signal resolution equipment of reflected light signal.Therefore, there is an urgent need to a kind of new fiber switch sensing solutions.
The content of the invention
In order to solve the above-mentioned technical problem, the utility model proposes a kind of fiber switch sensing network, multiple optical cables are handed over
Connect case and networking is carried out by junction sensor, realize and utilize networking monitoring of the less fiber resource to multiple fiber cable cross connection boxes
Function, solve because communications equipment room is less, it is difficult to find enough communications equipment rooms and dispose nearby for handling reflected light
The technical barrier of the signal resolution equipment of signal.
What the technical solution of the utility model was realized in：
A kind of fiber switch sensing network, using pulsed light as sensing optical signal, the fiber switch sensing network bag
The multiple junction sensors being sequentially connected in series are included, each junction sensor is correspondingly installed on a fiber cable cross connection box, and each node passes
Sensor is used for the monitoring of its corresponding one door opening or closing state of fiber cable cross connection box, and local junction sensor, which has, is used for higher level
The first port of intelligent acess, the second port for local fiber access and the 3rd port for subordinate's intelligent acess, this
The first port of the junction sensor on ground is connected to the 3rd port of the junction sensor of upper level by higher level's optical fiber, local
3rd port of junction sensor is connected to the first port of the junction sensor of next stage, local node by subordinate's optical fiber
The second port of sensor is connected to local fiber cable cross connection box by local fiber and senses subnet；The junction sensor of head end
First port is connected to a signal resolution equipment, the 3rd port termination of the junction sensor of tail end.
Further, each junction sensor includes sensor body, optical fiber fiber management tray, fiber splitter, the first optical fiber
Collimater, the second optical fiber collimator, movable slider and elastic component, first optical fiber collimator and second optical fiber collimator
Interval setpoint distance is accommodating to be positioned in the sensor body, and first optical fiber collimator and second fiber optic collimator
Device realizes Gaussian Beam Coupling；Higher level's optical fiber is penetrated after the first port from the fiber entrance of the optical fiber fiber management tray and disk
After fibre setting length, passed from the fiber outlet of the optical fiber fiber management tray, then access the input of the fiber splitter；Institute
State fiber splitter to be connected with the input of first optical fiber collimator by an output end, the fiber splitter passes through one
Output end is connected with the subordinate's optical fiber accessed through the 3rd port；The output end of second optical fiber collimator with through described the
The local fiber connection of Two-port netwerk access；There is light hole, the movable slider is located at described first in the middle part of the movable slider
It between optical fiber collimator and second optical fiber collimator, and can be slided in the sensor body, connect the light hole
Lead to first optical fiber collimator and second optical fiber collimator, form light path thang-kng；Or the light hole is set to stagger institute
The first optical fiber collimator and second optical fiber collimator are stated, light path is formed and blocks, it is sliding that the elastic component is folded in the activity
Between block and sensor body.
Further, local fiber cable cross connection box has a chamber door, and local fiber cable cross connection box sensing subnet is cancelled；This
The junction sensor on ground is used for the monitoring of the fiber cable cross connection box door opening or closing state, the second port of local junction sensor
A Faraday polarization apparatus is connected, or the second optical fiber collimator of local junction sensor is replaced by a light reflection mirror,
Direct impulse light from higher level's optical fiber is through optical fiber fiber management tray, fiber splitter, the first optical fiber collimator, light hole, the second light
Reflected by the Faraday polarization apparatus and formed backwards to pulsed light after fine collimater, or direct impulse light through optical fiber fiber management tray,
Reflected and formed backwards to pulsed light by the light reflection mirror after fiber splitter, the first optical fiber collimator, light hole.
Further, local fiber cable cross connection box has two chamber doors, and local junction sensor is used for the optical cable joining
The monitoring of one door opening or closing state of case, local fiber cable cross connection box sensing subnet is a reflection type optical fiber switch sensor, should
The open and-shut mode that reflection type optical fiber switch sensor is used for another chamber door of the fiber cable cross connection box monitors, local junction sensor
Second optical fiber collimator is connected to reflection type optical fiber switch sensor through local fiber；Direct impulse light warp from higher level's optical fiber
Opened after optical fiber fiber management tray, fiber splitter, the first optical fiber collimator, light hole, the second optical fiber collimator by the reflection type optical fiber
Sensor is closed to reflect to be formed backwards to pulsed light.
Further, local fiber cable cross connection box has two or more chamber door, and local junction sensor is handed over for optical cable
Connect the monitoring of one door opening or closing state of case, local fiber cable cross connection box sense subnet by a reflection type optical fiber switch sensor and
At least a transmission-type fiber switch sensor is sequentially connected in series forms together；The open and-shut mode of other chamber doors of the fiber cable cross connection box by
An at least transmission-type fiber switch sensor and reflection type optical fiber switch sensor monitoring, the positive arteries and veins from higher level's optical fiber
Wash off through optical fiber fiber management tray, fiber splitter, the first optical fiber collimator, light hole, at least the second optical fiber collimator, a transmission-type
Reflected and formed backwards to pulsed light by the reflection type optical fiber switch sensor after fiber switch sensor.
Further, the elastic component drives the movable slider to slide, and passes one end of movable slider and exposes to biography
Sensor sheet is external, and the light hole staggers first optical fiber collimator and second optical fiber collimator, and light path blocks；Driving
The compressible elastic component energy storage in the exposed one end of the movable slider, the light hole is set to connect first optical fiber collimator
With second optical fiber collimator, light path thang-kng.
Further, the elastic component is compression spring.
The beneficial effects of the utility model are：The utility model provides a kind of fiber switch sensing network, by going here and there successively
Be connected together multiple junction sensors carry out networkings correspondingly with multiple fiber cable cross connection boxes, each junction sensor is used for
The monitoring of its corresponding one door opening or closing state of fiber cable cross connection box, realize and multiple optical cables are handed over using less fiber resource
The function of the networking monitoring of case is connect, is solved because communications equipment room is less, it is difficult to find enough communications equipment rooms and dispose nearby
For the technical barrier for the signal resolution equipment for handling reflected light signal.Each junction sensor has three ports, is respectively
First port, second port and the 3rd port, first port are used to connect signal resolution equipment or upper level by higher level's optical fiber
Junction sensor in fiber cable cross connection box, second port are used to connect to other doors in local fiber network cross-connecting box by local fiber
The local fiber cable cross connection box sensing subnet that page is monitored, the 3rd port are used to hand over by subordinate's optical fiber connection next stage optical cable
The junction sensor in case is connect, so, the utility model is realized by junction sensor and sets up fiber switch sensing network
Function, that is to say, that only pass through a signal resolution equipment, so that it may monitor the case of each fiber cable cross connection box in multiple fiber cable cross connection boxes
Door open and-shut mode, solving communications equipment room becomes fewer and fewer, causes to be difficult to find that enough communications equipment rooms nearby now
The technical problem of the signal resolution equipment for handling reflected light signal is disposed, is avoided a large amount of due to being needed to use in practical application
Idle fiber resource could complete the monitoring to the opening and closing of multiple fiber cable cross connection box door leafs, cause the deployment of optical fiber sensing system may
The problem of causing the reduction of telecom operators' fiber optic network dilatation ability.Junction sensor is to one door opening or closing of fiber cable cross connection box
The monitoring of state simultaneously realizes that the technical principle of networking is：It is fine by the disk for setting length provided with optical fiber fiber management tray, increase backwards
Time slot between pulsed light, that is to say, that backwards to pulsed light, it is necessary to take longer time after optical fiber fiber management tray is undergone, it is made
There is different durations in arriving signal analyzing device with the pulsed light backwards for being so that each junction sensor, make backwards to arteries and veins
Pulsed light signal has clearly recognizable temporal characteristics in time domain, and signal resolution equipment is so as to multiple fiber cable cross connection boxes
Identified one by one.It may be such that the minimum range of two monitored adjacent fiber cable cross connection boxes is not limited by disk fibre increment
System, and transducing signal analyzing device can effectively pulse of the Division identification from two adjacent optical cross box inner sensor reflections
Optical signal.Provided with the fiber splitter for separating light path, for connecting more junction sensors, so as to set up multiple light
The link of cable distributing box；Provided with the first optical fiber collimator, the second optical fiber collimator and movable slider and elastic component, for local light
The monitoring of the door opening or closing state of cable distributing box one, reflective equivalent to one or transmission-type fiber switch sensor, Ke Yizhi
The opening and closing sensing for local fiber network cross-connecting box Yishanmen page is connect, so as to reduce the device that is of coupled connections in local sensing sub-network
Number, improve the stability of sensing network.Local fiber cable cross connection box has a chamber door, local fiber cable cross connection box sensing
Subnet is cancelled；The second port of junction sensor connects a Faraday polarization apparatus, or the second optical fiber standard of junction sensor
Straight device is replaced by a light reflection mirror；Local fiber cable cross connection box has two chamber doors, and local junction sensor is used for the light
The monitoring of one door opening or closing state of cable distributing box, local fiber cable cross connection box sensing subnet is a reflection type optical fiber switch sensing
Device, the open and-shut mode that the reflection type optical fiber switch sensor is used for another chamber door of the fiber cable cross connection box monitor, and local node passes
Second optical fiber collimator of sensor is connected to reflection type optical fiber switch sensor through local fiber；Local fiber cable cross connection box has
Two or more chamber door, local junction sensor are used for the monitoring of one door opening or closing state of fiber cable cross connection box, local optical cable
Cross-connecting box sensing subnet is sequentially connected in series by an at least transmission-type fiber switch sensor and a reflection type optical fiber switch sensor
Form together；The open and-shut mode of other chamber doors of the fiber cable cross connection box is by least a transmission-type fiber switch sensor and the reflection
Formula fiber switch Sensor monitoring.
Brief description of the drawings
Fig. 1 is the utility model fiber switch sensing network structural representation；
Fig. 2 is structural representation when the embodiment light path of the utility model interior joint sensor one blocks；
Structural representation when Fig. 3 is one embodiment light path thang-kng of the utility model interior joint sensor；
Fig. 4 is structural representation when the utility model interior joint sensor another kind embodiment light path blocks；
Structural representation when Fig. 5 is the utility model interior joint sensor another kind embodiment light path thang-kng.
Embodiment
In order to be more clearly understood that technology contents of the present utility model, described in detail especially exemplified by following examples, its mesh
Be only that be best understood from content of the present utility model and unrestricted the scope of protection of the utility model.
As shown in figure 1, a kind of fiber switch sensing network, including the multiple junction sensors being sequentially connected in series, each node
Sensor is correspondingly installed on a fiber cable cross connection box, and each junction sensor is opened for its corresponding one chamber door of fiber cable cross connection box
The monitoring of closed state, the junction sensor have the first port for higher level's intelligent acess, for local fiber access
Second port and the 3rd port for subordinate's intelligent acess, the first port of local junction sensor are connected by higher level's optical fiber
The 3rd port of the junction sensor of upper level is connected to, the 3rd port of local junction sensor is connected to by subordinate's optical fiber
The first port of the junction sensor of next stage, the second port of local node sensor are connected to local by local fiber
Fiber cable cross connection box senses subnet；The first port of the junction sensor of head end is connected to a signal resolution equipment, the node of tail end
The 3rd port termination of sensor.Here, the 3rd port termination is meant：Remove the pulsed light, for example connect backwards of the 3rd port
Connect an attenuator or optical fiber knots, so as to avoid the 3rd port from having backwards to pulsed light, influence local fiber network cross-connecting box sensing
Net.
Local junction sensor is different according to the chamber door number of local fiber network cross-connecting box, has different performance characteristics,
Local fiber network cross-connecting box have two and with during upper chamber door referring to such as next embodiment：
Referring to Fig. 2 and Fig. 3, local junction sensor includes sensor body 11, optical fiber fiber management tray 12, fiber splitter
13rd, the first optical fiber collimator 14, the second optical fiber collimator 15, movable slider 16, elastic component 17, first optical fiber collimator with
The second optical fiber collimator interval setpoint distance is accommodating to be positioned in the sensor body, and first optical fiber collimator
Gaussian Beam Coupling is realized with second optical fiber collimator；Higher level's optical fiber 18 is after the first port 1101 from the optical fiber
The fiber entrance of fiber management tray penetrates and after the fine setting length of disk, passes from the fiber outlet of the optical fiber fiber management tray, then access
The input of the fiber splitter；The fiber splitter passes through an output end and the input of first optical fiber collimator
Connection, the fiber splitter are connected by an output end with the subordinate's optical fiber 110 accessed through the 3rd port 1103；It is described
The output end of second optical fiber collimator is connected with the local fiber 19 accessed through the second port 1102；In the movable slider
Portion has light hole 1601, and the movable slider is located between first optical fiber collimator and second optical fiber collimator,
And can be slided in the sensor body, the light hole is connected first optical fiber collimator and second optical fiber standard
Straight device, form light path thang-kng；Or the light hole is staggered first optical fiber collimator and second optical fiber collimator,
Form light path to block, the elastic component is folded between the movable slider and sensor body.So, two optical fiber collimators
Stable light path is formd with light hole on movable slider；The displacement of movable slider makes light hole have connection or with blocking two kinds
Quantity of state；When the door of monitored device, such as when the chamber door of fiber cable cross connection box is closed mode, the exposed junction of movable slider is squeezed
Enter, elastic component is in compressive state, and referring to Fig. 2, now, the light hole in the middle part of movable slider is with two optical fiber collimators same
On straight line, optical path states are " logical ", i.e. light path thang-kng.On the contrary, the door of monitored device, such as the chamber door of fiber cable cross connection box
During in door opening state, compression elastic piece energy storage release, movable slider is ejected by elastic component, referring to Fig. 3, now, movable slider
The light hole at middle part is not arranged on the same straight line with two optical fiber collimators, and light path is " disconnected ", i.e., light path blocks.So far, supervised
The open and-shut mode for surveying " door " is changed for the on off operating mode of light path.So, the open and-shut mode of " door " can be changed for light path
Break-make, effectively solve various devices under non-transformer environment, equipment " door " open and-shut mode monitoring problem.
When local fiber cable cross connection box has two chamber doors, local junction sensor is used for one case of the fiber cable cross connection box
The monitoring of door open and-shut mode, local fiber cable cross connection box sensing subnet is a reflection type optical fiber switch sensor, the reflecting light
The open and-shut mode that fine switch sensor is used for another chamber door of the fiber cable cross connection box monitors, the second optical fiber of local junction sensor
Collimater is connected to reflection type optical fiber switch sensor through local fiber；Direct impulse light from higher level's optical fiber is fine through fiber reel
By the reflection type optical fiber switch sensor after box, fiber splitter, the first optical fiber collimator, light hole, the second optical fiber collimator
Reflect to be formed backwards to pulsed light light path.The structure and principle of reflection type optical fiber switch sensor, in patent document
It has been discussed in detail, has will not be repeated here in CN205861075U.
When local fiber cable cross connection box has two or more chamber door, local junction sensor is used for fiber cable cross connection box one
The monitoring of door opening or closing state, local fiber cable cross connection box sensing subnet are anti-by an at least transmission-type fiber switch sensor and one
Penetrate formula fiber switch sensor and be sequentially connected in series and form together；The open and-shut mode of other chamber doors of the fiber cable cross connection box is saturating by least one
Formula fiber switch sensor and reflection type optical fiber switch sensor monitoring are penetrated, the direct impulse light from higher level's optical fiber is through light
Fine fiber management tray, fiber splitter, the first optical fiber collimator, light hole, at least the second optical fiber collimator, a transmission-type fiber switch
Reflected and formed backwards to pulsed light light path by the reflection type optical fiber switch sensor after sensor.Reflection type optical fiber switch sensing
The structure and principle of device and transmission-type fiber switch sensor, in patent document CN205861075U and CN205861076U
Through being discussed in detail, will not be repeated here.
When local fiber cable cross connection box has a chamber door, local fiber cable cross connection box sensing subnet is cancelled；Local section
Point sensor is used for the monitoring of the fiber cable cross connection box door opening or closing state, the second port connection one of local junction sensor
Individual Faraday polarization apparatus, or the second optical fiber collimator of junction sensor are replaced by a light reflection mirror, input higher level's optical fiber
Direct impulse light after optical fiber fiber management tray, fiber splitter, the first optical fiber collimator, light hole, the second optical fiber collimator by
The Faraday reflects to be formed backwards to pulsed light light path, or direct impulse light through optical fiber fiber management tray, fiber splitter,
Reflected and formed backwards to pulsed light light path by the light reflection mirror after first optical fiber collimator, light hole.So, backwards to pulsed light
The presence of light path can express chamber door closure with opening two states with disappearance, that is to say, that door opening or closing quantity of state can direct thang-kng
Optical fiber is transferred to signal resolution equipment, under the site environment of passive condition, to monitor the various structures such as chamber door, cabinet door, well lid
Open and-shut mode, effectively solve various devices under non-transformer environment, equipment " door " open and-shut mode monitoring problem.
When second optical fiber collimator is replaced by a light reflection mirror, referring to following examples：
Referring to Fig. 4 and Fig. 5, local junction sensor includes sensor body 21, optical fiber fiber management tray 22, fiber splitter
23rd, the first optical fiber collimator 24, light reflection mirror 25, movable slider 26, elastic component 27, have in the sensor body and be used for
The first port 2101 that level optical fiber 28 accesses and the second port 2102 for the access of subordinate's optical fiber 29, first fiber optic collimator
Device is housed with light reflection mirror interval setpoint distance and is positioned in the sensor body, and first optical fiber collimator
Axis is perpendicular to the light reflection mirror；Higher level's optical fiber penetrates after the first port from the fiber entrance of the optical fiber fiber management tray
And after the fine setting length of disk, passed from the fiber outlet of the optical fiber fiber management tray, then access the input of the fiber splitter
End；The fiber splitter is connected by an output end with the input of first optical fiber collimator, the fiber splitter
It is connected by an output end with subordinate's optical fiber through the second port；There is light hole 2601 in the middle part of the movable slider,
The movable slider is located between first optical fiber collimator and the light reflection mirror, and can be slided in the sensor body
It is dynamic, the light hole is connected first optical fiber collimator and the light reflection mirror, form light path thang-kng；Or make described logical
Unthreaded hole staggers first optical fiber collimator and the light reflection mirror, forms light path and blocks, the elastic component is folded in the work
Between movable slider and sensor body.
The present embodiment is a difference in that with a upper embodiment：The second optical fiber collimator in embodiment 1 is replaced with into light
Speculum, so, direct impulse light can be reflected after light hole by light reflection mirror, be formed backwards to pulsed light, such case,
Because it lacks the port of the fiber switch sensor in connection local fiber network cross-connecting box on other door leafs, therefore, it is only applicable to
On fiber cable cross connection box with a chamber door.
The utility model by be sequentially connected in series together multiple nodes sense correspondingly with multiple fiber cable cross connection boxes
Device carries out networking, and each junction sensor is used for the monitoring of its corresponding one door opening or closing state of fiber cable cross connection box, realized
The function of being monitored using networking of the less fiber resource to multiple fiber cable cross connection boxes, is solved because communications equipment room is less, difficult
To find the technical barrier that enough communications equipment rooms dispose the signal resolution equipment for handling reflected light signal nearby.Each
Junction sensor has three ports, respectively first port, second port and the 3rd port, and first port is used to pass through higher level
Optical fiber connects the junction sensor in signal resolution equipment or upper level fiber cable cross connection box, and second port is used to pass through local fiber
Connect and subnet is sensed to the local fiber cable cross connection box being monitored on other door leafs in local fiber network cross-connecting box, the 3rd port is used
In connecting the junction sensor in next stage fiber cable cross connection box by subordinate's optical fiber, so, the utility model is sensed by node
Device realizes the function of setting up fiber switch sensing network, that is to say, that only passes through a signal resolution equipment, so that it may monitor multiple
The door opening or closing state of each fiber cable cross connection box in fiber cable cross connection box, solving communications equipment room becomes fewer and fewer, causes now
Through being difficult to find that enough communications equipment rooms dispose the technical problem of the signal resolution equipment for handling reflected light signal nearby,
Avoid due to needing to use a large amount of idle fiber resources to complete to the opening and closing of multiple fiber cable cross connection box door leafs in practical application
Monitoring, the problem of causing the deployment of optical fiber sensing system to cause the reduction of telecom operators' fiber optic network dilatation ability.
Monitoring of the junction sensor to one door opening or closing state of fiber cable cross connection box simultaneously realizes that the technical principle of networking is：If
There is optical fiber fiber management tray, it is fine by the disk for setting length, increase the time slot between pulsed light, that is to say, that backwards to pulsed light
, it is necessary to take longer time after optical fiber fiber management tray is undergone, it acts on the pulsed light backwards for being so that each junction sensor
There is different durations in arriving signal analyzing device, make backwards to pulsed optical signals when having clearly recognizable in time domain
Between feature, signal resolution equipment so as to being identified one by one to multiple fiber cable cross connection boxes.Provided with the optical fiber for separating light path
Optical splitter, for connecting more junction sensors, so as to set up the link of multiple fiber cable cross connection boxes；Provided with the first optical fiber
Collimater, the second optical fiber collimator and movable slider and elastic component, the prison for the door opening or closing state of local fiber network cross-connecting box one
Survey, reflective equivalent to one or transmission-type fiber switch sensor, be used directly for local fiber network cross-connecting box Yishanmen
The opening and closing sensing of page, so as to reduce the number for the device that is of coupled connections in local sensing sub-network, improve the stabilization of sensing network
Property.
Local fiber cable cross connection box has a chamber door, and local fiber cable cross connection box sensing subnet is cancelled；Local node
Sensor is used for the monitoring of the fiber cable cross connection box door opening or closing state, and the second port of local junction sensor connects one
Faraday polarization apparatus, or the second optical fiber collimator of junction sensor are replaced by a light reflection mirror；Local optical cable joining
Case has two chamber doors, and local junction sensor is used for the monitoring of one door opening or closing state of fiber cable cross connection box, local
Fiber cable cross connection box sensing subnet is a reflection type optical fiber switch sensor, and the reflection type optical fiber switch sensor is handed over for the optical cable
The open and-shut mode monitoring of another chamber door of case is connect, the second optical fiber collimator of local junction sensor is connected to instead through local fiber
Penetrate formula fiber switch sensor；Local fiber cable cross connection box has two or more chamber door, and local junction sensor is used for optical cable
The monitoring of one door opening or closing state of cross-connecting box, local fiber cable cross connection box sense subnet and passed by an at least transmission-type fiber switch
Sensor and a reflection type optical fiber switch sensor are sequentially connected in series and formed together；The open and-shut mode of other chamber doors of the fiber cable cross connection box
Monitored by an at least transmission-type fiber switch sensor and the reflection type optical fiber switch sensor.
Preferably, when light path blocks, the elastic component drives the movable slider to slide, and passes one end of movable slider
Expose to outside sensor body, the light hole staggers first optical fiber collimator and second optical fiber collimator；Light path
During thang-kng, the compressible elastic component energy storage in the exposed one end of the movable slider is driven, makes light hole connection described the
One optical fiber collimator and second optical fiber collimator.So, when light path blocks, elastic component can drive movable slider to slide,
Block the light path between the first optical fiber collimator and the second optical fiber collimator；In light path thang-kng, chamber door can drive movable cunning
The exposed one end compression elastic piece energy storage of block, makes between the first optical fiber collimator and the second optical fiber collimator through the light hole shape
Into light path；One end (press-side) of movable slider exposes to sensor body through the perforate of sensor body side, for connecing
By chamber door pressing and opening action.This is a kind of preferred embodiment, and other, can be according to actual feelings in other embodiment
Condition, when movable slider is designed to that some exposes sensor body, light path is thang-kng state, otherwise light path is blocked.
Preferably, the elastic component is compression spring.So, the sandwiched pressure between movable slider and sensor body is passed through
Contracting spring, compression spring is used for when chamber door is opened or the when of closure resets movable slider, shifts the light hole on movable slider to hinder
Disconnected or connection light path.
To sum up, this patent has been set up fiber switch sensing network, handed over connecting multiple optical cables by multiple junction sensors
Case is connect, the effect of junction sensor is to connect superior node, downstream site and local fiber network respectively by three ports to join
Case senses subnet, so as to establish backwards to pulsed light switch sensing network.
Above example is that referring to the drawings, preferred embodiment of the present utility model is described in detail.The skill of this area
Art personnel are by carrying out modification or change on various forms to above-described embodiment, but without departing substantially from substantive feelings of the present utility model
Under condition, all fall within the scope of protection of the utility model.
Claims (7)
- A kind of 1. fiber switch sensing network, using pulsed light as sensing optical signal, it is characterised in that：The fiber switch passes Sense network includes the multiple junction sensors being sequentially connected in series, and each junction sensor is correspondingly installed on a fiber cable cross connection box, often Individual junction sensor is used for the monitoring of its corresponding one door opening or closing state of fiber cable cross connection box, and local junction sensor has First port for higher level's intelligent acess, the second port for local fiber access and for subordinate's intelligent acess the 3rd Port, the first port of local junction sensor are connected to the 3rd end of the junction sensor of upper level by higher level's optical fiber Mouthful, the 3rd port of local junction sensor is connected to the first port of the junction sensor of next stage by subordinate's optical fiber, The second port of local junction sensor is connected to local fiber cable cross connection box by local fiber and senses subnet；The section of head end The first port of point sensor is connected to a signal resolution equipment, the 3rd port termination of the junction sensor of tail end.
- 2. fiber switch sensing network according to claim 1, it is characterised in that：Each junction sensor includes sensor Body, optical fiber fiber management tray, fiber splitter, the first optical fiber collimator, the second optical fiber collimator, movable slider and elastic component, institute State the first optical fiber collimator and the second optical fiber collimator interval setpoint distance is housed and is positioned in the sensor body, and First optical fiber collimator realizes Gaussian Beam Coupling with second optical fiber collimator；Higher level's optical fiber is through the first port The fiber entrance from the optical fiber fiber management tray is penetrated and after the fine setting length of disk, worn from the fiber outlet of the optical fiber fiber management tray afterwards Go out, then access the input of the fiber splitter；The fiber splitter is accurate by an output end and first optical fiber The input connection of straight device, the fiber splitter are connected by an output end with the subordinate's optical fiber accessed through the 3rd port Connect；The output end of second optical fiber collimator is connected with the local fiber accessed through the second port；The movable slider Middle part has light hole, and the movable slider is located between first optical fiber collimator and second optical fiber collimator, and It can be slided in the sensor body, the light hole is connected first optical fiber collimator and second fiber optic collimator Device, form light path thang-kng；Or the light hole is staggered first optical fiber collimator and second optical fiber collimator, structure Blocked into light path, the elastic component is folded between the movable slider and sensor body.
- 3. fiber switch sensing network according to claim 2, it is characterised in that：Local fiber cable cross connection box has one Chamber door, local fiber cable cross connection box sensing subnet are cancelled；Local junction sensor is for the fiber cable cross connection box door opening or closing The monitoring of state, the second port of local junction sensor connect a Faraday polarization apparatus, or local node sensing Second optical fiber collimator of device is replaced by a light reflection mirror, and the direct impulse light from higher level's optical fiber is through optical fiber fiber management tray, light Reflected after fine optical splitter, the first optical fiber collimator, light hole, the second optical fiber collimator by the Faraday polarization apparatus and form the back of the body To pulsed light, or direct impulse light after optical fiber fiber management tray, fiber splitter, the first optical fiber collimator, light hole by the light Speculum reflects to be formed backwards to pulsed light.
- 4. fiber switch sensing network according to claim 2, it is characterised in that：Local fiber cable cross connection box has two Chamber door, local junction sensor are used for the monitoring of one door opening or closing state of fiber cable cross connection box, local fiber cable cross connection box Sensing subnet is a reflection type optical fiber switch sensor, and the reflection type optical fiber switch sensor is used for another case of the fiber cable cross connection box The open and-shut mode monitoring of door, the second optical fiber collimator of local junction sensor are connected to reflection type optical fiber through local fiber and opened Close sensor；Direct impulse light from higher level's optical fiber is through optical fiber fiber management tray, fiber splitter, the first optical fiber collimator, thang-kng Reflected and formed backwards to pulsed light by the reflection type optical fiber switch sensor after hole, the second optical fiber collimator.
- 5. fiber switch sensing network according to claim 2, it is characterised in that：Local fiber cable cross connection box has two With upper chamber door, local junction sensor is used for the monitoring of one door opening or closing state of fiber cable cross connection box, local optical cable joining Case sense subnet by a reflection type optical fiber switch sensor with together with least a transmission-type fiber switch sensor is sequentially connected in series Composition；The open and-shut mode of other chamber doors of the fiber cable cross connection box is by least a transmission-type fiber switch sensor and the reflecting light Fine switch sensor monitoring, the direct impulse light from higher level's optical fiber is through optical fiber fiber management tray, fiber splitter, the first fiber optic collimator By the reflection type optical fiber switch sensor after device, light hole, the second optical fiber collimator, an at least transmission-type fiber switch sensor Reflect to be formed backwards to pulsed light.
- 6. fiber switch sensing network according to claim 2, it is characterised in that：The elastic component driving activity is sliding Block slides, and passes one end of movable slider and exposes to outside sensor body, and the light hole staggers first fiber optic collimator Device and second optical fiber collimator, light path block；Drive the compressible elastic component storage in the exposed one end of the movable slider Can, the light hole is connected first optical fiber collimator and second optical fiber collimator, light path thang-kng.
- 7. fiber switch sensing network according to claim 6, it is characterised in that：The elastic component is compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720315483.3U CN206656743U (en) | 2017-03-29 | 2017-03-29 | Fiber switch sensing network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720315483.3U CN206656743U (en) | 2017-03-29 | 2017-03-29 | Fiber switch sensing network |
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| CN206656743U true CN206656743U (en) | 2017-11-21 |
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| CN201720315483.3U Withdrawn - After Issue CN206656743U (en) | 2017-03-29 | 2017-03-29 | Fiber switch sensing network |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663073A (en) * | 2017-03-29 | 2018-10-16 | 昆山金鸣光电科技有限公司 | Fiber switch sensing network |
| CN117174511A (en) * | 2023-11-02 | 2023-12-05 | 西安西电电力系统有限公司 | State light reporting device and method for bypass switch of flexible direct-current transmission power module |
| CN108663073B (en) * | 2017-03-29 | 2024-09-10 | 武汉世纪金桥安全技术有限公司 | Optical fiber switch sensing network |
-
2017
- 2017-03-29 CN CN201720315483.3U patent/CN206656743U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663073A (en) * | 2017-03-29 | 2018-10-16 | 昆山金鸣光电科技有限公司 | Fiber switch sensing network |
| CN108663073B (en) * | 2017-03-29 | 2024-09-10 | 武汉世纪金桥安全技术有限公司 | Optical fiber switch sensing network |
| CN117174511A (en) * | 2023-11-02 | 2023-12-05 | 西安西电电力系统有限公司 | State light reporting device and method for bypass switch of flexible direct-current transmission power module |
| CN117174511B (en) * | 2023-11-02 | 2024-03-01 | 西安西电电力系统有限公司 | State light reporting device and method for bypass switch of flexible direct-current transmission power module |
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