CN208238739U - Tunnel optical fiber monitoring device and tunnel monitor system - Google Patents
Tunnel optical fiber monitoring device and tunnel monitor system Download PDFInfo
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- CN208238739U CN208238739U CN201820996344.6U CN201820996344U CN208238739U CN 208238739 U CN208238739 U CN 208238739U CN 201820996344 U CN201820996344 U CN 201820996344U CN 208238739 U CN208238739 U CN 208238739U
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- optical fiber
- tunnel
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- shelf
- steel arch
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Abstract
The utility model provides a kind of tunnel optical fiber monitoring device and tunnel monitor system, it is related to monitoring device field, the tunnel optical fiber monitoring device includes: light source generator, steel arch-shelf, optical fiber and signal transponder, the steel arch-shelf is close to tunnel setting, it is used to support tunnel, the light source generator and the signal transponder are set on the steel arch-shelf, the optical fiber, which is centered around on the steel arch-shelf, is close to the tunnel, described optical fiber one end is connect with the light source generator, the optical fiber other end is connect with signal transponder one end, the tunnel optical fiber monitoring device has monitoring sensitivity height, the advantages that at low cost, and monitoring route is optical fiber, avoid danger caused by electric signal；The tunnel monitor system has remote terminal and alarm equipment alarm, and the remote terminal controls the alarm, which has the advantages that monitoring sensitivity is high, at low cost, and monitoring route is optical fiber, avoids danger caused by electric signal.
Description
Technical field
The utility model relates to monitoring device fields, supervise in particular to a kind of tunnel optical fiber monitoring device and tunnel
Examining system
Background technique
As country continues to optimize energy industry structure, critical role of the tunnel safety in the exploitation of coal mine is more next
More important, the stratum that the coal mining activity tunnel generally dug is located at is relatively weak, and tunnel can be sent out by rear original reservoir stress
Raw fairly large redistribution, aggravates roadway deformation, easily causes the safety that accident threatens operating worker and equipment.
In existing tunnel technology, monitoring route is mostly used to be monitored the deformation in tunnel, but general monitoring line
Road transmission is electric signal, however can generally have inflammable and explosive gas in tunnel, is easy to happen when the gas is with electrical contact
It is dangerous.
Utility model content
The purpose of this utility model is to provide a kind of tunnel optical fiber monitoring devices, can carry out to the deformation in tunnel quasi-
True monitoring has the advantages that monitoring sensitivity is high, at low cost, and monitoring route is optical fiber, is avoided caused by electric signal
It is dangerous.
The another object of the utility model is to provide a kind of tunnel monitor system, can its can be to the deformation in tunnel
It is accurately monitored, and when certain deformation occurs, remote terminal controls alarm equipment alarm, and operating personnel is reminded to remove
From the tunnel monitor system has the advantages that monitoring sensitivity is high, at low cost, and monitoring route is optical fiber, avoids electric signal
Generated danger.
The embodiments of the present invention are achieved in that
A kind of tunnel optical fiber monitoring device comprising include: light source generator, steel arch-shelf, optical fiber and signal transponder, institute
It states steel arch-shelf and is close to tunnel setting, be used to support tunnel, be arranged in the light source generator and the signal on the steel arch-shelf
Turning device, the optical fiber, which is centered around on the steel arch-shelf, is close to the tunnel, and described optical fiber one end is connect with the light source generator,
The optical fiber other end is connect with signal transponder one end, and the light source generator is for generating optical signal, the signal
Transponder is used to compensating optical signal into amplification output.
As described above, the steel arch-shelf includes: hogback steel arch-shelf and soffit steel arch-shelf.
As described above, the optical fiber includes: the first optical fiber and the second optical fiber, first fiber distribution is in the hogback steel
On arch, second optical fiber is evenly distributed on the soffit steel arch-shelf.
As described above, the hogback steel arch-shelf is provided with the first optical fiber duct, the soffit steel arch-shelf is provided with the second optical fiber
Slot, first optical fiber is with solidification glue embedding in first optical fiber duct, and second optical fiber is with solidification glue embedding in described
In second optical fiber duct.
As described above, the light source generator includes: first light source generator and second light source generator, first light
Source generator is connect with first optical fiber, and the first light source generator is used for the first fibre optical transmission optical signal, institute
It states second light source generator to connect with second optical fiber, the second light source generator is used for the second fibre optical transmission light
Signal.
As described above, the other end of the other end of first optical fiber and second optical fiber with the signal transponder
One end connection, the signal compensation amplification that the signal transponder respectively transmits first optical fiber and second optical fiber are defeated
Out.
As described above, the signal transponder includes: signal receiver, compensation amplifier and signal projector, the light
Fine to connect with the signal receiver, the signal receiver is connect with the compensation amplifier, the compensation amplifier and institute
Signal projector connection is stated, the signal receiver is for receiving the optical signal that one end of the optical fiber is transmitted, the compensation
For compensating and amplifying the optical signal that the optical signal receiver receives, the optical signal transmitter is used for amplifier
By the optical signal output after compensation and amplification.
The another object of the utility model is to provide a kind of tunnel monitor system comprising any one of the above tunnel light
Fine monitoring device,
As described above, further including alarm, the alarm is set in the tunnel, the alarm and described long-range
Terminal connection.
As described above, the alarm includes: voice guard, visual alarm and combined aural and visual alarm.
The beneficial effect of the utility model embodiment is:, can be to lane by using above-mentioned tunnel optical fiber monitoring device
The deformation in road is accurately monitored, and has the advantages that monitoring sensitivity is high, at low cost, and monitoring route is optical fiber, is avoided
Danger caused by electric signal.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of the utility model tunnel optical fiber monitoring device；
Fig. 2 is the utility model tunnel optical fiber monitoring device schematic diagram；
Fig. 3 is the schematic diagram of the utility model tunnel optical fiber monitoring device signal transponder；
Fig. 4 is the structural schematic diagram of the utility model tunnel monitor system.
Icon: the tunnel a- optical fiber monitoring device；B- tunnel monitor system；1- steel arch-shelf；3- light source generator；31-
First light source generator；33- second light source generator；5- signal transponder；51- signal receiver；53- compensation amplification
Device；55- signal projector；7- optical fiber；The first optical fiber of 71-；The second optical fiber of 73-；9- remote terminal；91- alarm.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
First embodiment
Fig. 1-Fig. 3 is please referred to, the present embodiment provides a kind of tunnel optical fiber monitoring device a comprising: light source generator 3,
Steel arch-shelf 1, optical fiber 7 and signal transponder 5, the steel arch-shelf 1 are close to tunnel setting, are used to support tunnel, on the steel arch-shelf 1
The light source generator 3 and the signal transponder 5 are set, and the optical fiber 7, which is centered around on the steel arch-shelf 1, is close to the lane
Road, described 7 one end of optical fiber are connect with the light source generator 3, and 7 other end of optical fiber and described 5 one end of signal transponder connect
It connects, specifically, the steel arch-shelf 1 is equipped with optical fiber duct, the optical fiber duct is distributed along the tunnel, and the optical fiber duct is for fixing institute
Optical fiber 7 is stated, the light source generator 3 is separately positioned on the two of the optical fiber 7 being arranged in the tunnel with the signal transponder 5
End, the light source generator 3 are used to compensating optical signal into amplification output for generating optical signal, the signal transponder 5.
Optionally, the optical fiber 7 can be directly wound in around the steel arch-shelf 1, to reach the monitoring steel arch-shelf 1
Deformation quantity is not specifically limited the position of optical fiber 7, monitors the deformation quantity of the steel arch-shelf 1 or tunnel i.e. as long as can reach
It can.
Optionally, the light source generator 3 is arranged except the tunnel, the power supply of the corresponding light source generator 3
Be also disposed at except the tunnel accordingly, be optical signal to reach the signal transmitted in the tunnel, reduce it is dangerous because
The effect of element.
Further, the steel arch-shelf 1 includes: hogback steel arch-shelf and soffit steel arch-shelf, specifically, the hogback steel arch-shelf
For the one side for being close to the tunnel, i.e., optical fiber duct, the soffit steel arch are equipped in the one side in tunnel on the steel arch-shelf
Frame is the one side far from the tunnel, i.e., is equipped with optical fiber duct, the optical fiber duct in the one side on the steel arch-shelf far from tunnel
It is inside provided with the optical fiber, for more accurately monitoring the deformation quantity in the tunnel and the steel arch-shelf.
Optionally, the optical fiber duct that the hogback steel arch-shelf is equipped with, close to the face of the hogback steel arch-shelf directly on tunnel
It is equipped with optical fiber duct, will be arranged in the optical fiber duct in the tunnel between the optical fiber with solidification glue, it is described preferably to monitor
The deformation quantity in tunnel.
Specifically, the optical fiber duct is the baltimore groove being arranged along the steel arch-shelf 1, the optical fiber duct is for being arranged the light
Fibre, the optical fiber duct include: soffit steel arch-shelf optical fiber duct and hogback steel arch-shelf optical fiber duct, and the soffit steel arch-shelf optical fiber duct is used for
Second optical fiber 73 is set, and second optical fiber 73 is used to monitor the deformation quantity of the soffit steel arch-shelf, the hogback steel arch
Frame optical fiber duct is used to monitor the deformation quantity of the hogback steel arch-shelf for first optical fiber 71, first optical fiber 71 to be arranged.
Further, the optical fiber 7 includes: the first optical fiber 71 and the second optical fiber 73, and first optical fiber 71 is distributed in institute
It states on hogback steel arch-shelf, second optical fiber 73 is evenly distributed on the soffit steel arch-shelf.
Further, the hogback steel arch-shelf is provided with the first optical fiber duct, and the soffit steel arch-shelf is provided with the second optical fiber
Slot, first optical fiber 71 with solidification glue embedding in first optical fiber duct, second optical fiber 73 with solidification glue embedding in
In second optical fiber duct.
Optionally, first optical fiber 71 and second optical fiber 73 can be arranged described by line card or bolt
In optical fiber duct, to specific set-up mode without limiting, as long as the tunnel or institute can be monitored by being able to achieve the optical fiber 7
State the purpose of steel arch-shelf 1.
Further, the light source generator 3 includes: first light source generator 31 and second light source generator 33, described
First light source generator 31 is connect with first optical fiber 71, and the first light source generator 31 is used for first optical fiber 71
Emit optical signal, the second light source generator 33 is connect with second optical fiber 73, and the second light source generator 33 is used for
Emit optical signal to second optical fiber 73.
Further, the other end of the other end of first optical fiber 71 and second optical fiber 73 is and in the signal
Turn the connection of 5 one end of device, the optical signal that the signal transponder 5 respectively transmits first optical fiber 71 and second optical fiber 73
Compensation amplification output.
Specifically, the signal transponder 5 can receive first optical fiber 71 and the two of second optical fiber 73 respectively
Optical signal, and non-interfering can compensate amplification output.
Further, the signal transponder 5 includes: signal receiver 51, compensates amplifier 53 and signal projector 55,
The optical fiber 7 is connect with the signal receiver 51, and the receiver 51 is connect with the compensation amplifier 53, and the compensation is put
Big device 53 is connect with the signal projector 55, what one end that the signal receiver 51 is used to receive the optical fiber 7 was transmitted
Optical signal, the compensation amplifier 53 is for compensating and amplifying the optical signal that the signal receiver 51 receives, institute
Optical signal transmitter 55 is stated for the optical signal output after compensating and amplifying.
Optionally, the optical fiber 7 includes: at least one of single mode optical fiber, UV fiber and multimode fibre.
The working principle of optical fiber monitoring device a in tunnel provided in this embodiment is: the fixation of optical fiber 7 in the optical fiber duct is set
It sets on the tunnel or the steel arch-shelf 1, when deformation occurs for the tunnel or the steel arch-shelf 1, the optical fiber 7 is just
Can occur microbending loss, light when optical fiber 7 is bent in part fiber 7 can lose because of scattering, caused by optical signal loss,
Because 7 optical signal of optical fiber is excessively faint, the optical signal that transmits in optical fiber 7 cannot be directly embodied by the tunnel or described
The influence of the deformation quantity of steel arch-shelf 1, so the optical signal for exporting the optical fiber 7, carries out light by the compensation amplifier 53
The amplification of signal, preferably to embody the optical signal transmitted in the optical fiber 7 by the tunnel or the shape of the steel arch-shelf 1
The relationship for influencing the deformation relationship of the tunnel or the steel arch-shelf 1 and the loss of optical signal amount in other words of variable.Specifically
, and when constantly increasing with the deformation quantity in tunnel or steel arch-shelf 1, the pressure that the optical fiber 7 is subject to can also increase with it, institute
The optical signal that inside of optical fibre loses is stated to be consequently increased.
Specifically, working principle 1: the light source generator 3 generates optical signal, and optical signal is passed by the optical fiber 7
Defeated, when deformation occurs for the tunnel or steel arch-shelf 1, microbending loss occurs for the optical fiber 7, and then the signal receives
Device 51 receives the remaining optical signal that the optical fiber 7 transmits, and gives the remaining optical signal transmission to the compensation amplifier 53, mends
It repays flourishing device 53 to amplify the remaining optical signal, and gives the optical signal transmission to the signal projector 55, it is described
The amount for the remaining optical signal that signal projector 55 receives, the deformation quantity with the tunnel or steel arch-shelf 1 are more in inverse ratio, i.e. institute
The amount for stating the remaining optical signal that signal projector 55 receives is bigger, and the deformation quantity of the tunnel or steel arch-shelf 1 is smaller, described
The amount for the remaining optical signal that signal projector 55 receives is smaller, and the deformation quantity of the tunnel or steel arch-shelf 1 is bigger.
Specifically, the first optical fiber 71 in the hogback optical fiber duct is fixed on the hogback steel arch-shelf, when described
When deformation occurs on hogback steel arch-shelf, microbending loss, part first when the first optical fiber 71 is bent can occur for first optical fiber 71
Optical signal in optical fiber 71 can lose because of scattering, caused by optical signal loss, because of 71 optical signal of the first optical fiber
It is excessively faint, the interior optical signal transmitted of the first optical fiber 71 cannot be directly embodied by the shadow of the deformation quantity of the hogback steel arch-shelf
It rings, so the optical signal for exporting first optical fiber 71, the amplification of optical signal is carried out by the compensation amplifier 53, so as to
Preferably embody the optical signal transmitted in first optical fiber 71 is influenced by the deformation quantity of the hogback steel arch-shelf.
Specifically, first optical fiber 71 sends the optical signal after microbending loss to the compensation amplifier 53, institute
It states compensation amplifier 53 to amplify the remaining optical signal of first optical fiber 71, and by the remaining optical signal transmission to letter
Number transmitter 55, signal projector 55 exports amplified remaining optical signal for described, with the deformation quantity of soffit steel arch-shelf
When constantly increasing, the pressure that first optical fiber 71 is subject to can also be increased with it, the light that 71 internal exergy dissipation of the first optical fiber loses
Signal is consequently increased, and remaining output optical signal will be reduced.
Specifically, working principle 2: the first light source generator 31 generates optical signal, and optical signal passes through first light
Fibre 71 is transmitted, and when deformation occurs for hogback steel arch-shelf, microbending loss occurs for first optical fiber 71, then institute
It states signal receiver 51 and receives the remaining optical signal that first optical fiber 71 transmits, and by the remaining optical signal transmission to described
Amplifier 53 is compensated, flourishing device 53 is compensated and the remaining optical signal of first optical fiber 71 is amplified, and the optical signal is passed
It is defeated by the signal projector 55, the amount for the remaining optical signal that the signal projector 55 receives, the signal projector 55
The amount of the remaining optical signal of first optical fiber 71 received is used to indicate the size of the deformation quantity of the hogback steel arch-shelf, described
The amount of the remaining optical signal of first optical fiber 71 that signal projector 55 receives and the deformation quantity of hogback steel arch-shelf are more in inverse ratio,
The amount for the remaining optical signal that the i.e. described signal projector 55 receives is bigger, and the deformation quantity of the hogback steel arch-shelf is smaller, described
The amount for the remaining optical signal that signal projector 55 receives is smaller, and the deformation quantity of the hogback steel arch-shelf is bigger.
Specifically, the second optical fiber 73 in the soffit optical fiber duct is fixed on the soffit steel arch-shelf, when described
When deformation occurs on soffit steel arch-shelf, microbending loss, part second when the second optical fiber 73 is bent can occur for second optical fiber 73
Optical signal in optical fiber 73 can lose because of scattering, caused by optical signal loss, because of 73 optical signal of the second optical fiber
It is excessively faint, the interior optical signal transmitted of the second optical fiber 73 cannot be directly embodied by the shadow of the deformation quantity of the soffit steel arch-shelf
It rings, so the optical signal for exporting second optical fiber 73, the amplification of optical signal is carried out by the compensation amplifier 53, so as to
Preferably embody the optical signal transmitted in second optical fiber 73 is influenced by the deformation quantity of the soffit steel arch-shelf.
Specifically, second optical fiber 73 sends the optical signal after microbending loss to the compensation amplifier 53, institute
It states compensation amplifier 53 to amplify the remaining optical signal of second optical fiber 73, and by the remaining optical signal transmission to letter
Number transmitter 55, signal projector 55 export amplified remaining optical signal for described.With the deformation quantity of soffit steel arch-shelf
When constantly increasing, the pressure that second optical fiber 73 is subject to can also be increased with it, the light that 73 internal exergy dissipation of the second optical fiber loses
Signal is consequently increased, and remaining output optical signal will be reduced.
Specifically, working principle 3: the second light source generator 33 generates optical signal, and optical signal passes through second light
Fibre 73 is transmitted, and when deformation occurs for soffit steel arch-shelf, microbending loss occurs for second optical fiber 73, then institute
It states signal receiver 51 and receives the remaining optical signal that second optical fiber 73 transmits, and by the remaining optical signal transmission to described
Amplifier 53 is compensated, flourishing device 53 is compensated and the remaining optical signal of second optical fiber 73 is amplified, and the optical signal is passed
It is defeated by the signal projector 55, the amount for the remaining optical signal that the signal projector 55 receives, the signal projector 55
The amount of the remaining optical signal of second optical fiber 73 received is used to indicate the size of the deformation quantity of the soffit steel arch-shelf, described
The amount of the remaining optical signal of second optical fiber 73 that signal projector 55 receives and the deformation quantity of soffit steel arch-shelf are more in inverse ratio,
The amount for the remaining optical signal that the i.e. described signal projector 55 receives is bigger, and the deformation quantity of the soffit steel arch-shelf is smaller, described
The amount for the remaining optical signal that signal projector 55 receives is smaller, and the deformation quantity of the soffit steel arch-shelf is bigger.
The present embodiment provides a kind of tunnel optical fiber monitoring device a, the tunnel optical fiber monitoring device a includes: light source
Device 3, steel arch-shelf 1, optical fiber 7 and signal transponder 5, the shape that the tunnel optical fiber monitoring device a passes through the tunnel where 7 pairs of optical fiber
Change is monitored.
Second embodiment
Referring to figure 4., the present embodiment provides a kind of tunnel monitor system b comprising in remote terminal 9 and first embodiment
Any one tunnel optical fiber monitoring device a, the specific remote terminal 9 and tunnel optical fiber monitoring device a passes through light
Fibre 7 connects, and the remote terminal 9 is remotely connect with the signal projector 55, and the remote terminal 9 is to the signal projector
The optical signal of 55 transmittings is analyzed and processed and monitors the loss of optical signal amount.
Further, the tunnel monitor system b further includes alarm 91, and the alarm 91 is set to the tunnel
Interior, the alarm 91 is electrically connected with the remote terminal 9.
Specifically, the alarm 91 includes: voice guard, at least one of visual alarm and combined aural and visual alarm,
The alarm 91 can be set at the remote terminal 9, also can be set in the tunnel, to where the alarm
Position is without limiting, as long as being able to achieve warning function.
Optical fiber 7 in the optical fiber duct is fixed on the tunnel or the steel arch-shelf 1, when the tunnel or described
Steel arch-shelf 1 is when deformation occurs, and microbending loss will occur for the optical fiber 7, and light when fibre-optical bending in part fiber 7 can be because
Scatter and lose, caused by optical signal loss, and be as the deformation quantity of tunnel or steel arch-shelf 1 constantly increases, it is described
The pressure that optical fiber 7 is subject to can also increase with it, and the optical signal that 7 internal exergy dissipation of optical fiber loses is consequently increased remaining amount of fibre and subtracts
It is few.
Specifically, tunnel optical fiber monitoring device a monitors the working principle and the of steel arch-shelf 1 in above-mentioned tunnel monitor system b
Working principle 1 in one embodiment is identical, only by the remaining optical signal transmission of optical fiber 7 in signal projector 55 to described long-range
Terminal 9, remote terminal 9 analyze the remaining optical signal amount of optical fiber 7, and the optical fiber 7 that the remote terminal 9 receives is surplus
The deformation quantity of the amount of remaining light signal and the steel arch-shelf is in inverse ratio, i.e., the remaining light of the optical fiber 7 that the described signal projector 55 receives
The amount of signal is bigger, and the deformation quantity of the steel arch-shelf is smaller, the remaining optical signal of the optical fiber 7 that the signal projector 55 receives
Measure smaller, the deformation quantity of the steel arch-shelf is bigger.
Specifically, the first optical fiber 71 in the hogback optical fiber duct is fixed on the hogback steel arch-shelf, when described
When deformation occurs on hogback steel arch-shelf, microbending loss, part first when the first optical fiber 71 is bent can occur for first optical fiber 71
Optical signal in optical fiber 71 can lose because of scattering, caused by optical signal loss, because of 71 optical signal of the first optical fiber
Loss amount it is excessively faint, cannot directly embody the deformation of the optical signal that transmits in the first optical fiber 71 by the hogback steel arch-shelf
The influence of amount, so the optical signal for exporting first optical fiber 71, carries out putting for optical signal by the compensation amplifier 53
Greatly, preferably to embody the optical signal transmitted in first optical fiber 71 by the shadow of the deformation quantity of the hogback steel arch-shelf
Ring, specifically, and when constantly increasing with the deformation quantity in tunnel or hogback steel arch-shelf, pressure that first optical fiber 71 is subject to
Also it can increase with it, the optical signal that 71 internal exergy dissipation of the first optical fiber loses is consequently increased, and remaining output optical signal will be reduced.
Specifically, first optical fiber 71 sends the optical signal after microbending loss to the compensation amplifier 53, institute
It states compensation amplifier 53 to amplify the remaining optical signal of first optical fiber 71, and by the remaining optical signal transmission to letter
Number transmitter 55, signal projector 55 exports amplified remaining optical signal to the remote terminal 9 for described, described long-range
Terminal 9 analyzes the remaining optical signal in second optical fiber 73.
Specifically, in the remote terminal 9 tunnel optical fiber monitoring device a monitor the working principle of the soffit steel arch-shelf with
Working principle 2 in first embodiment is identical, only by the remaining optical signal transmission of optical fiber 7 in signal projector 55 to described remote
Journey terminal 9, remote terminal 9 analyze the remaining optical signal amount of the first optical fiber 71, the remote terminal 9 receive first
The amount of the remaining optical signal of optical fiber 71 and the deformation quantity of the soffit steel arch-shelf are in inverse ratio, i.e., what the described signal projector 55 received
The amount of the remaining optical signal of first optical fiber 71 is bigger, and the deformation quantity of the soffit steel arch-shelf is smaller, and the signal projector 55 receives
The amount of the remaining optical signal of the first optical fiber 71 arrived is smaller, and the deformation quantity of the soffit steel arch-shelf is bigger.
Specifically, the second optical fiber 73 in the soffit optical fiber duct is fixed on the soffit steel arch-shelf, when described
When deformation occurs on soffit steel arch-shelf, microbending loss, part second when the second optical fiber 73 is bent can occur for second optical fiber 73
Optical signal in optical fiber 73 can lose because of scattering, caused by optical signal loss, because of 73 optical signal of the second optical fiber
It is excessively faint, the interior optical signal transmitted of the second optical fiber 73 cannot be directly embodied by the shadow of the deformation quantity of the soffit steel arch-shelf
It rings, so the optical signal for exporting second optical fiber 73, the amplification of optical signal is carried out by the compensation amplifier 53, so as to
Preferably embody the optical signal transmitted in second optical fiber 73 is influenced by the deformation quantity of the soffit steel arch-shelf, specifically
, and when constantly increasing with the deformation quantity in tunnel or soffit steel arch-shelf, the pressure that second optical fiber 73 is subject to also can be with
Increase, the optical signal that 73 internal exergy dissipation of the second optical fiber loses is consequently increased, and remaining output optical signal will be reduced.
Specifically, second optical fiber 73 sends the optical signal after microbending loss to the compensation amplifier 53, institute
It states compensation amplifier 53 to amplify the remaining optical signal of second optical fiber 73, and by the remaining optical signal transmission to letter
Number transmitter 55, signal projector 55 export amplified remaining optical signal to the remote terminal 9, remote terminal for described
Remaining optical signal in 9 pairs of second optical fiber 73 is analyzed.
Specifically, in the remote terminal 9 tunnel optical fiber monitoring device a monitor the working principle of the hogback steel arch-shelf with
Working principle 3 in first embodiment is identical, only gives the remaining optical signal transmission of the second optical fiber 73 in signal projector 55
The remote terminal 9, remote terminal 9 analyze the remaining optical signal amount of the second optical fiber 73, and the remote terminal 9 receives
The amount of the remaining optical signal of the second optical fiber 73 and the deformation quantity of the hogback steel arch-shelf be in inverse ratio, i.e., the described signal projector 55 connects
The amount of the remaining optical signal of the second optical fiber 73 received is bigger, and the deformation quantity of the hogback steel arch-shelf is smaller, the signal projector
The amount of the 55 remaining optical signals of the second optical fiber 73 received is smaller, and the deformation quantity of the hogback steel arch-shelf is bigger.
It is described when the loss amount of first optical fiber 71 or 73 optical signal of the second optical fiber is more than certain threshold values
Remote terminal 9 controls the alarm 91 and alarms, and the threshold values is set according to the actual situation, as long as can reach described
The deformation quantity of tunnel or steel arch-shelf 1 reaches a timing and is alarmed.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of tunnel optical fiber monitoring device characterized by comprising light source generator, steel arch-shelf, optical fiber and signal transfer
Device, the steel arch-shelf are close to tunnel setting, are used to support tunnel, the light source generator and the letter are arranged on the steel arch-shelf
Number transponder, the optical fiber, which is centered around on the steel arch-shelf, is close to the tunnel, described optical fiber one end and the light source generator
Connection, the optical fiber other end are connect with signal transponder one end, and the light source generator is described for generating optical signal
Signal transponder is used to compensating optical signal into amplification output.
2. tunnel optical fiber monitoring device according to claim 1, which is characterized in that the steel arch-shelf includes: hogback steel arch
Frame and soffit steel arch-shelf.
3. tunnel optical fiber monitoring device according to claim 2, which is characterized in that the optical fiber include: the first optical fiber and
Second optical fiber, for first fiber distribution on the hogback steel arch-shelf, second optical fiber is evenly distributed on the soffit steel
On arch.
4. tunnel optical fiber monitoring device according to claim 3, which is characterized in that the hogback steel arch-shelf is provided with first
Optical fiber duct, the soffit steel arch-shelf are provided with the second optical fiber duct, and first optical fiber is with solidification glue embedding in first optical fiber
In slot, second optical fiber is with solidification glue embedding in second optical fiber duct.
5. tunnel optical fiber monitoring device according to claim 3, which is characterized in that the light source generator includes: first
Light source generator and second light source generator, the first light source generator are connect with first optical fiber, the first light source
Generator is used for the first fibre optical transmission optical signal, and the second light source generator is connect with second optical fiber, described
Second light source generator is used for the second fibre optical transmission optical signal.
6. tunnel optical fiber monitoring device according to claim 3, which is characterized in that the other end of first optical fiber and institute
The other end for stating the second optical fiber is connect with signal transponder one end, and the signal transponder is respectively to first optical fiber
Amplify output with the signal compensation of second optical fiber transmission.
7. tunnel optical fiber monitoring device according to claim 1, which is characterized in that the signal transponder includes: signal
Receiver, compensation amplifier and signal projector, the optical fiber are connect with the signal receiver, the signal receiver and institute
Compensation amplifier connection is stated, the compensation amplifier is connect with the signal projector, and the signal receiver is for receiving institute
State the optical signal that one end of optical fiber is transmitted, the optical signal that the compensation amplifier is used to receive the optical signal receiver
It compensates and amplifies, the optical signal after the optical signal transmitter is used to compensate and amplify exports.
8. a kind of tunnel monitor system characterized by comprising any one tunnel described in remote terminal and claim 1-7
Optical fiber monitoring device.
9. tunnel monitor system according to claim 8, which is characterized in that it further include alarm, the alarm setting
In in the tunnel, the alarm is connect with the remote terminal.
10. tunnel monitor system according to claim 9, which is characterized in that the alarm includes: voice guard,
At least one of visual alarm and combined aural and visual alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820996344.6U CN208238739U (en) | 2018-06-26 | 2018-06-26 | Tunnel optical fiber monitoring device and tunnel monitor system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820996344.6U CN208238739U (en) | 2018-06-26 | 2018-06-26 | Tunnel optical fiber monitoring device and tunnel monitor system |
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| CN208238739U true CN208238739U (en) | 2018-12-14 |
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| CN201820996344.6U Expired - Fee Related CN208238739U (en) | 2018-06-26 | 2018-06-26 | Tunnel optical fiber monitoring device and tunnel monitor system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116007738A (en) * | 2022-12-27 | 2023-04-25 | 无锡联河光子技术有限公司 | Distributed multichannel sound monitoring device and sound monitoring and restoring system |
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2018
- 2018-06-26 CN CN201820996344.6U patent/CN208238739U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116007738A (en) * | 2022-12-27 | 2023-04-25 | 无锡联河光子技术有限公司 | Distributed multichannel sound monitoring device and sound monitoring and restoring system |
| CN116007738B (en) * | 2022-12-27 | 2023-12-15 | 宁波联河光子技术有限公司 | Distributed multichannel sound monitoring device and sound monitoring and restoring system |
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Granted publication date: 20181214 Termination date: 20190626 |