CN104296857B - Optical fiber vibration sensing system and fiber-optic vibration detection device based on ATCA - Google Patents
Optical fiber vibration sensing system and fiber-optic vibration detection device based on ATCA Download PDFInfo
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- CN104296857B CN104296857B CN201410535888.9A CN201410535888A CN104296857B CN 104296857 B CN104296857 B CN 104296857B CN 201410535888 A CN201410535888 A CN 201410535888A CN 104296857 B CN104296857 B CN 104296857B
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Abstract
The invention discloses a kind of optical fiber vibration sensing system based on ATCA and fiber-optic vibration detection device, wherein, system includes：Cabinet based on ATCA platforms, the first light processes board, the second light processes board, Signal transacting board analysis, signal exchange board and central Processing Board card, first light processes board is connected by embedded first interface pinboard with the cabinet slot of the first light processes board, produce LASER Light Source and be modulated and amplify, the connection that second light processes board passes through the cabinet slot of embedded second interface pinboard and the second light processes board, the light signal of the first smooth process plate output is sent to its exterior and the light signal of return is converted into analog signal.Signal transacting board analysis analysis mode signal recognizes and positioning that central Processing Board card carries out respective handling according to the vibration event of identification and positioning to vibration event.Using the present invention, realize that hardware builds detecting system in ATCA platforms, save the resource and space cost of network equipment.
Description
Technical field
The present invention relates to the expansion equipment of computer realm standard ATCA processor blades, more particularly to one kind is based on
The optical fiber vibration sensing system and fiber-optic vibration detection device of ATCA.
Background technology
Existing optical fiber sensing system, acts on the external disturbance signal on optical fiber, according to photoelastic effect, in causing optical fiber
The phase place change of transmission light, by interference technique, obtains the two-way interference optical interference signals comprising external disturbance information.To interference
Signal carries out the treatment such as opto-electronic conversion, amplification, A/D conversions, obtains the data signal comprising external disturbance information.Generally, in prison
Prosecutor sets server and is processed with to the optical interference signals for obtaining, data signal etc., realizes the detection of Fibre Optical Sensor vibration source.
But, the server used by this system is usually using boxlike framework.By the disposal ability of network processing unit, control sum
Realized with software according to forwarding capability.
This technology hardware design is simple, because machine box surface board area is small, it is difficult to provide more external interface.Its equipment
Inside makes that its heat dispersion is low, anti-adverse environment ability also without enough spaces, is not suitable in large-scale and intensive computer room
Deployment.
ATCA (Advanced Telecom Computing Architecture, senior communication computer framework) standard
I.e. advanced telecommunications computing platform, it is derived from telecommunications, space flight, Industry Control, medicine equipment, intelligent transportation, military equipment
Deng the widely used mainstream industry computing technique-CompactPCI standards of new generation in field.It is converged communication of future generation and number to be
The high performance-price ratio provided according to network application, based on modular construction, compatible and expansible hardware architecture.
ATCA is the telecommunications industry standard of a kind of Full-open, interoperable, employs brand-new design standard, and this new standard contributes to
Telecom equipment manufacturers meet the increasingly harsh requirement of operator.ATCA is in back board structure, radiating, reliability and opening side
There is the innovation of uniqueness in face.Therefore, optical fiber vibration sensing server is integrated based on ATCA, so that the server built
Stable performance and cost-effective.
The content of the invention
Shaken the present invention solves the technical problem of a kind of optical fiber vibration sensing system and optical fiber based on ATCA is provided
Motion detection device, optical fiber vibration sensing server is integrated based on ATCA.
In order to solve the above technical problems, one aspect of the present invention is：A kind of optical fiber based on ATCA is provided
Vibration sensing system, the system includes：Based on the cabinet of ATCA platforms, including backboard and be arranged on the backboard
The cabinet of one light processes board, the second light processes board, Signal transacting board analysis, signal exchange board and central Processing Board card is inserted
Groove, the backboard includes the data exchange line of the connection cabinet slot and control exchange line；Signal exchange board, with institute
The cabinet slot connection of signal exchange board is stated, for carrying out letter by the data exchange line and the control exchange line
Number with instruction alternating transmission；First light processes board, by embed first interface pinboard by serial ports be converted to network interface with
Cabinet slot with first light processes board is connected；First light processes board is used to produce LASER Light Source, and by institute
LASER Light Source is stated to be modulated and will amplify through the light signal after ovennodulation；Second light processes board, by embed the
Serial ports is converted to network interface with the connection with the cabinet slot of second light processes board by two interface plates；Second light
Treatment board is used to obtain the light signal amplified by first light processes board, and the light signal is amplified
After be sent to its exterior, and the light signal of return is converted into analog signal；At Signal transacting board analysis, with the signal
The cabinet slot connection of board is managed, for gathering the analog signal that second light processes board is produced, and to the simulation letter
Number it is analyzed and is identified and position with to vibration event；And central Processing Board card, the machine with the central Processing Board card
Case slot is connected, and for obtaining the vibration event of the Signal transacting board analysis identification and positioning, and carries out respective handling.
Wherein, first light processes board includes laser, driver, modulator and fiber amplifier；The laser
Device is used to launch laser to produce light signal, and the driver is for driving the modulator to adjust the light signal
System treatment, the light signal that the fiber amplifier is used to be processed by the modulator amplifies.
Wherein, second light processes board includes raman amplifier, photodetector, the first photo-coupler and wavelength-division
Multiplexer；The wavelength division multiplexer is used to receive the light signal of the first light processes board output, the raman amplifier
The wavelength division multiplexer is acted on to amplify the light signal, and is transferred to its exterior；The wavelength division multiplexer is also received
The light signal of return, the light signal of the return that first photo-coupler receives the wavelength division multiplexer is divided into two
The two-beam source signal is carried out opto-electronic conversion and quadrature demodulation treatment to export simulation letter by beam, the photodetector
Number.
Wherein, the cabinet based on ATCA platforms also includes power supply, and first light processes board includes laser, drives
Dynamic device, modulator and fiber amplifier, the first interface pinboard include that first interface switching daughter board is transferred with second interface
Daughter board；The power supply is powered by the voltage conversion of the first power-switching circuit to the laser, and the laser passes through institute
First interface switching daughter board is stated to be connected with the cabinet slot of first light processes board；The power supply is changed by second source
The voltage conversion of circuit is powered to the modulator；The power supply is by the voltage conversion of the 3rd power-switching circuit to the light
Fiber amplifier is powered, and the fiber amplifier is by second interface switching daughter board and the cabinet of first light processes board
Slot is connected；The central Processing Board card is connected respectively to described the by the data exchange line and control exchange line
First, two interface daughter board, rs 232 serial interface signal is converted to by network interface signal, correspondingly controls the laser and the optical fiber
Amplifier realizes corresponding function.
Wherein, the fiber amplifier is erbium-doped fiber amplifier.
Wherein, the cabinet based on ATCA platforms also includes power supply, and second light processes board includes Raman amplifiction
Device, photodetector, the first photo-coupler and wavelength division multiplexer；The power supply turns by the voltage of the 4th power-switching circuit
Change and the raman amplifier is powered, the raman amplifier is by the second interface pinboard and the described second smooth process plate
The cabinet slot connection of card；The central Processing Board card is connected to described by the data exchange line and control exchange line
Second interface pinboard, rs 232 serial interface signal is converted to by network interface signal, controls the raman amplifier to realize corresponding function；Institute
Power supply is stated also to power the photodetector by the voltage conversion of the 5th power-switching circuit.
Wherein, the cabinet based on ATCA platforms also includes power supply, and the Signal transacting board analysis connect including cpci bus
Mouthful, the cpci bus interface by the 3rd interface plate by cpci bus interface conversion be network interface with the signal transacting
The cabinet slot connection of board, the power supply is by the voltage conversion of the 6th power-switching circuit for the Signal transacting board analysis are supplied
Electricity.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of light based on ATCA is provided
Fine vibration detection device, described device includes：Based on the cabinet of ATCA platforms, including backboard and it is arranged on the backboard
The cabinet slot of the first light processes board and the second light processes board, the backboard includes that the data of the connection cabinet slot are handed over
Thread-changing road and control exchange line；First light processes board, network interface is converted to by the first interface pinboard for embedding by serial ports
It is connected with the cabinet slot with first light processes board；First light processes board is used to produce LASER Light Source, and will
The LASER Light Source is modulated and will amplify through the light signal after ovennodulation；And second light processes board, by interior
Serial ports is converted to network interface with the connection with the cabinet slot of second light processes board by embedding second interface pinboard；It is described
Second light processes board is used to obtain the light signal amplified by first light processes board, and the light signal is entered
Row is sent to its exterior after amplifying, and the light signal of return is converted into analog signal.
Wherein, the cabinet based on ATCA platforms also includes power supply, and first light processes board includes laser, drives
Dynamic device, modulator and fiber amplifier, the first interface pinboard include that first interface switching daughter board is transferred with second interface
Daughter board；The power supply is powered by the voltage conversion of the first power-switching circuit to the laser, and the laser passes through institute
First interface switching daughter board is stated to be connected with the cabinet slot of first light processes board；The power supply is changed by second source
The voltage conversion of circuit is powered to the modulator；The power supply is by the voltage conversion of the 3rd power-switching circuit to the light
Fiber amplifier is powered, and the fiber amplifier is by second interface switching daughter board and the cabinet of first light processes board
Slot is connected.
Wherein, the cabinet based on ATCA platforms also includes power supply, and second light processes board includes Raman amplifiction
Device, photodetector, the first photo-coupler and wavelength division multiplexer；The power supply turns by the voltage of the 4th power-switching circuit
Change and the raman amplifier is powered, the raman amplifier is by the second interface pinboard and the described second smooth process plate
The cabinet slot connection of card；The central Processing Board card is connected to described by the data exchange line and control exchange line
Second interface pinboard, rs 232 serial interface signal is converted to by network interface signal, controls the raman amplifier to realize corresponding function；Institute
Power supply is stated also to power the photodetector by the voltage conversion of the 5th power-switching circuit.
The beneficial effects of the invention are as follows：The situation of prior art is different from, the present invention is by signal exchange board, the first light
Reason board, the second light processes board, Signal transacting board analysis and central Processing Board card are arranged in ATCA platforms, and flat with ATCA
The cabinet slot correspondence that platform is provided is connected, wherein, the first light processes board can realize fiber-optic vibration with the second light processes board
Detection function, and export corresponding analog signal；The data exchange line that the Signal transacting board analysis can be provided by ATCA platforms
Road obtains the analog signal and carries out identification and the positioning of vibration event, and provided by ATCA platforms by the central Processing Board card
Data exchange line obtains identification and the positioning result of the Signal transacting board analysis, to be processed accordingly.So as to utilize hardware
Detecting system is built in ATCA platforms, the demand of internet high speed development instantly is met, and saves network equipment
Resource and space cost.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the optical fiber vibration sensing system based on ATCA in embodiment of the present invention；
Fig. 2 is the structural representation of the Signal transacting board analysis in the optical fiber vibration sensing system based on ATCA shown in Fig. 1；
Fig. 3 is the first light processes board in a kind of optical fiber vibration sensing system based on ATCA in embodiment of the present invention
Structural representation；
Fig. 4 is the structural representation of the laser in the first light processes board shown in Fig. 3；
Fig. 5 is the structural representation of the modulator in the first light processes board shown in Fig. 3；
Fig. 6 is the structural representation of the fiber amplifier in the first light processes board shown in Fig. 3；
Fig. 7 is the second light processes board in a kind of optical fiber vibration sensing system based on ATCA in embodiment of the present invention
Structural representation；
Fig. 8 is the structural representation of the raman amplifier in the second light processes board shown in Fig. 7；
Fig. 9 is the structural representation of the photodetector in the second light processes board shown in Fig. 7；
Figure 10 is a kind of operation principle schematic diagram of the optical fiber vibration sensing system based on ATCA in embodiment of the present invention.
Element numbers：
System 10
Cabinet 11
Backboard 110
Signal exchange board 12
First light processes board 13
Laser 130
Driver 131
Modulator 132
Fiber amplifier 133
First interface pinboard 134
First interface switching daughter board 1340
Second interface switching daughter board 1341
First power-switching circuit 135
Second source change-over circuit 136
3rd power-switching circuit 137
Adjustable attenuator 138
Fiber management tray 139
Second light processes board 14
First photo-coupler 140
Wavelength division multiplexer 141
Raman amplifier 142
Second photo-coupler 143
Photodetector 144
Second interface pinboard 145
4th power-switching circuit 146
5th power-switching circuit 147
Power convert submodule 1471,1472,1473
Fiber management tray 148
Signal transacting board analysis 15
Cpci bus interface 150
3rd interface plate 151
6th power-switching circuit 152
Central Processing Board card 16
Specific embodiment
To describe technology contents of the invention, structural feature, the objects and the effects in detail, below in conjunction with accompanying drawing and reality
The present invention is described in detail to apply example.
Fig. 1 is referred to, is a kind of structural representation of the optical fiber vibration sensing system based on ATCA in embodiment of the present invention
Figure.The system 10 is included at the cabinet 11 based on ATCA platforms, signal exchange board 12, the first light processes board 13, the second light
Reason board 14, Signal transacting board analysis 15, central Processing Board card 16, first interface pinboard 134 and second interface pinboard
145。
The cabinet 11 for being based on ATCA platforms includes backboard 110 and the first smooth process plate being arranged on the backboard 110
The cabinet slot of card, the second light processes board, Signal transacting board analysis, signal exchange board and central Processing Board card, the backboard 110
Data exchange line and control exchange line including connecting cabinet slot.
Further, the cabinet 11 also includes power supply, fan.
The signal exchange board 12 is connected with the cabinet slot of the signal exchange board, for by the data exchange line
With the alternating transmission that the control exchange line carries out signal and instruction.
First light processes board 13 by the embedded first interface pinboard 134 by serial ports be converted to network interface with this
The cabinet slot of the first light processes board, first light processes board 13 is used to produce LASER Light Source, and the LASER Light Source is entered
Row is modulated and will amplified through the light signal after ovennodulation.
Second light processes board 14 by the embedded second interface pinboard 145 by serial ports be converted to network interface with this
The cabinet slot connection of the second light processes board, second light processes board 14 is used to obtain passes through first light processes board 13
The light signal of amplification, and be sent to outside system 10 after being amplified to the light signal, and the light signal that will be returned
Be converted to analog signal.
The Signal transacting board analysis 15 are connected with the cabinet slot of the Signal transacting board analysis, for gathering the second smooth process plate
The analog signals that card 14 is produced, and the analog signal is analyzed is identified and positions with to vibration event.
The central Processing Board card 16 is connected with the cabinet slot of the central Processing Board card, for obtaining the Signal transacting board analysis
15 identifications and the vibration event of positioning, and carry out respective handling.
The cabinet slot that the cabinet 11 is provided is divided into ZONE1, ZONE2 and ZONE3.
Fig. 2 is referred to, the structural representation of the Signal transacting board analysis in the optical fiber vibration sensing system of ATCA is based on for this.
The Signal transacting board analysis 15 include cpci bus interface 150, and the cpci bus interface 150 passes through the 3rd interface plate 151
It is connected with the cabinet slot of the Signal transacting board analysis, the power supply of the cabinet 11 passes through the voltage of the 6th power-switching circuit 152
The Signal transacting board analysis 15 are converted to power.Wherein, the 3rd interface plate 151 has and changes cpci bus interface 150
It is the function with the network interface of the cabinet slot structure matching of the Signal transacting board analysis.
Further, the Signal transacting board analysis 15 also include that 1 road DA and 3 road TTL, the ZONE3 with the cabinet 11 connect
Connect.The network interface of the Signal transacting board analysis 15 is transferred on ATCA backboards by ZONE2, and the power supply of the cabinet 11 passes through ZONE1 simultaneously
Via the voltage conversion of the 6th power-switching circuit 152 for the Signal transacting board analysis 15 are powered, specifically, the 6th power supply turns
Change circuit 152 and the voltage that the power supply of the cabinet 11 is provided is converted into 5V by -48V, for the Signal transacting board analysis 15 are powered.
Fig. 3 is referred to, the structural representation of the first light processes board in the optical fiber vibration sensing system of ATCA is based on for this
Figure.First light processes board 13 includes laser 130, driver 131, modulator 132, fiber amplifier 133, adjustable damping
Device 138 and fiber management tray 139.
Please refer to Fig. 4, the first interface pinboard 134 includes first interface switching daughter board 1340 and second interface
Switching daughter board 1341, the power supply of the cabinet 11 is supplied the laser 130 by the voltage conversion of the first power-switching circuit 135
Electricity, the laser 130 is connected by first interface switching daughter board 1340 with the cabinet slot of first light processes board.Specifically
Ground, the network interface of the laser 130 is transferred on ATCA backboards 110 by ZONE2, and the power supply of the cabinet 11 passes through ZONE1 and passes through
By the voltage conversion of first power-switching circuit 135 for the laser 130 is powered.Wherein, first power-switching circuit 135
The voltage that the power supply of cabinet 11 is provided is converted into 5V by -48V, for the laser 130 is powered.The central Processing Board card 16 passes through
The data exchange line and control exchange line are connected to first interface switching daughter board 1340 via ZONE2, and network interface is believed
Number rs 232 serial interface signal is converted to, controls the laser 130 to send laser.
Please refer to Fig. 5, the power supply of the cabinet 11 passes through the voltage conversion of the second source change-over circuit 136 to the tune
Device processed 132 is powered.Specifically, the power supply of the cabinet 11 is turned by ZONE1 and via the voltage of the second source change-over circuit 136
The modulator 132 is changed to power.Wherein, the voltage that the second source change-over circuit 136 provides the power supply of cabinet 11 is by -48V
Be converted to 24V.
Please refer to Fig. 6, the power supply of the cabinet 11 passes through the voltage conversion of the 3rd power-switching circuit 137 to the light
Fiber amplifier 133 is powered, and the fiber amplifier 133 is by second interface switching daughter board 1341 and first light processes board
The connection of cabinet slot.Specifically, the network interface of the fiber amplifier 133 is transferred on ATCA backboards 110 by ZONE2, the machine
The power supply of case 11 is supplied for the fiber amplifier 133 by ZONE1 and via the voltage conversion of the 3rd power-switching circuit 137
Electricity.Wherein, the voltage that the power supply of cabinet 11 is provided is converted to 5V by the 3rd power-switching circuit 137 by -48V.The centre
Reason board 16 is connected to second interface switching daughter board by the data exchange line and control exchange line via ZONE2
1341, network interface signal is converted into rs 232 serial interface signal, control the fiber amplifier 133 to work.In the present embodiment, the optical fiber
Amplifier 133 is erbium-doped fiber amplifier (EDFA).
Fig. 7 is referred to, the structural representation of the second light processes board in the optical fiber vibration sensing system of ATCA is based on for this
Figure.Second light processes board 14 includes the first photo-coupler 140, wavelength division multiplexer 141, raman amplifier 142, the second optocoupler
Clutch 143, photodetector 144 and fiber management tray 148.Wherein, the photo-coupler 141 of the first photo-coupler 140 and second can
Being beam splitter or optical splitter.
Please refer to Fig. 8, the power supply of the cabinet 11 passes through the voltage conversion of the 4th power-switching circuit 146 to the drawing
Graceful amplifier 142 is powered, and the raman amplifier 142 is by the second interface pinboard 145 and the machine of second light processes board
Case slot is connected.Specifically, the network interface of the raman amplifier 142 is transferred on ATCA backboards 110 by ZONE2, the cabinet 11
Power supply powered for the raman amplifier 142 by ZONE1 and via the voltage conversion of the 4th power-switching circuit 146.Its
In, the voltage that the power supply of cabinet 11 is provided is converted to 5V by the 4th power-switching circuit 146 by -48V.The central Processing Board card
16 are connected to the second interface pinboard 145 by the data exchange line and control exchange line by ZONE2, and network interface is believed
Number rs 232 serial interface signal is converted to, controls the raman amplifier 142 to work.
Please refer to Fig. 9, the power supply of the cabinet 11 passes through the voltage conversion of the 5th power-switching circuit 147 to the light
Electric explorer 144 is powered.Specifically, the power supply of the cabinet 11 is to be somebody's turn to do by ZONE1 and via the 5th power-switching circuit 147
Photodetector 144 is powered, wherein, the 5th power-switching circuit 147 includes three power convert submodules 1471,1472 and
1473, the voltage that power convert submodule 1471 is used to provide the power supply of cabinet 11 is converted to 5V, Power convert by -48V
The voltage that module 1472 is used to provide the power supply of cabinet 11 is converted to -5V by -48V, and power convert submodule 1473 is used for will
The voltage that the power supply of cabinet 11 is provided is converted to 48V by -48V.
Figure 10 is referred to, the operation principle schematic diagram of the optical fiber vibration sensing system of ATCA is based on for this.The laser 130
Launch laser to produce light signal, wherein, the laser 130 receives the analog signal of the Signal transacting board analysis 15 transmission with true
Sent optical maser wavelength is protected to immobilize.The light signal that the laser 130 sends is transmitted to be transported to by optical fiber
The adjustable attenuator 138, wherein, the excess fiber between the laser 130 and the adjustable attenuator 138 is wrapped in fiber management tray
In 139.The adjustable attenuator 138 is used for the light signal decayed in preset range, and the driver 131 receives the signal-processing board
The TTL switch levels signal that card 15 sends is believed with driving the modulator 132 pairs by the light source after the adjustable attenuator 138 decay
Number it is modulated treatment.Similarly, the light signal that the modulator 132 sends is transmitted to be transported to the optical fiber by optical fiber
Amplifier 133, the excess fiber between the modulator 132 and the fiber amplifier 133 is wrapped in fiber management tray 139.The optical fiber
The light signal of 133 pairs of processes of amplifier modulators 132 treatment is amplified again, with amplify the power of the light signal from
And improve signal transmission distance.This is transmitted to be transported to by the light signal that fiber amplifier 133 amplifies by optical fiber
The wavelength division multiplexer 141, and be transferred to outside system 10 by the wavelength division multiplexer 141.Further, the raman amplifier
142 act on the wavelength division multiplexer 141 to amplify the light signal, and are transferred to outside system 10.It is transferred to outside system 10
Light signal occur vibration event when can be reflected by vibration source object and be transmitted back to system 10, the wavelength division multiplexer 141 is received
The light signal of return.The light signal of the return that first photo-coupler 140 receives the wavelength division multiplexer 141 is divided into two
The two-beam source signal is carried out opto-electronic conversion and orthogonal conciliation by beam, the photodetector 144, so as to export analog signal.
Wherein, the sub-light source letter that the wavelength division multiplexer 141 can be sent the first photo-coupler 140 by same optical fiber
Its exterior number is transferred to, and receives the light signal returned from its exterior.The raman amplifier 142 acts directly on this
On wavelength division multiplexer 141, its exterior will be again transferred to after the sub-light source signal of the wavelength division multiplexer 141 is amplified,
So as to increase the transmission range of light signal, correspondingly to increase detecting distance.
In the present embodiment, this is transmitted by the light signal that fiber amplifier 133 amplifies by optical fiber, and first
The second photo-coupler 143 is first transported to, and the light signal for being amplified the fiber amplifier 133 by second photo-coupler 143
Graduation is divided into the first beam sub-light source signal and the second beam sub-light source signal.Two light are set simultaneously in second light processes board 14
Source signal process circuit, every light signal process circuit is by light wave multiplexer 141, the first photo-coupler 140 and photoelectricity
Detector 144 is constituted.The first beam sub-light source signal is with the second beam sub-light source signal respectively through two light signal treatment electricity
Road, and light signal is transferred to its exterior as described above, and receive the light signal of the system that is back to and export accordingly
Analog signal.
A kind of optical fiber vibration sensing system and fiber-optic vibration detection device based on ATCA that the present invention is provided, signal is handed over
Change board, the first light processes board, the second light processes board, Signal transacting board analysis and central Processing Board card be arranged on ATCA put down
In platform, and connection corresponding with the cabinet slot that ATCA platforms are provided, wherein, the first light processes board and the second light processes board energy
Fiber-optic vibration detection function is enough realized, and exports corresponding analog signal；The Signal transacting board analysis can be carried by ATCA platforms
The data exchange line of confession obtains the analog signal and carries out identification and the positioning of vibration event, and is passed through by the central Processing Board card
The data exchange line that ATCA platforms are provided obtains identification and the positioning result of the Signal transacting board analysis, to be located accordingly
Reason.So as to build detecting system in ATCA platforms using hardware, the demand of internet high speed development instantly is met, and save
The resource and space cost of network equipment.
Embodiments of the present invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, is included within the scope of the present invention.
Claims (10)
1. a kind of optical fiber vibration sensing system based on ATCA, it is characterised in that the system includes：
Based on the cabinet of ATCA platforms, including backboard and be arranged on the backboard the first light processes board, at the second light
The cabinet slot of reason board, Signal transacting board analysis, signal exchange board and central Processing Board card, the backboard includes that connection is described
The data exchange line and control exchange line of cabinet slot；
Signal exchange board, the cabinet slot with the signal exchange board is connected, for by the data exchange line and
The control exchange line carries out the alternating transmission of signal and instruction；
First light processes board, is converted to network interface and is processed with first light by the first interface pinboard for embedding by serial ports
The cabinet slot connection of board；First light processes board is used to produce LASER Light Source, and the LASER Light Source is adjusted
Make and will amplify through the light signal after ovennodulation；
Second light processes board, is converted to network interface and is processed with second light by the second interface pinboard for embedding by serial ports
The cabinet slot connection of board；Second light processes board is used to obtain the light source amplified by first light processes board
Signal, and its exterior is sent to after being amplified to the light signal, and the light signal of return is converted into simulation
Signal；
Signal transacting board analysis, the cabinet slot with the Signal transacting board analysis is connected, for gathering second light processes board
The analog signal of generation, and the analog signal is analyzed is identified and positions with to vibration event；And
Central Processing Board card, the cabinet slot with the central Processing Board card is connected, and knows for obtaining the Signal transacting board analysis
Not with the vibration event of positioning, and carry out respective handling.
2. the optical fiber vibration sensing system based on ATCA according to claim 1, it is characterised in that the first light treatment
Board includes laser, driver, modulator and fiber amplifier；The laser is used to launch laser to produce light source to believe
Number, the driver is used to drive the modulator to be modulated the light signal treatment, and the fiber amplifier is used for
The light signal that will be processed by the modulator amplifies.
3. the optical fiber vibration sensing system based on ATCA according to claim 1, it is characterised in that the second light treatment
Board includes raman amplifier, photodetector, the first photo-coupler and wavelength division multiplexer；The wavelength division multiplexer is used to connect
The light signal of the first light processes board output is received, the raman amplifier acts on the wavelength division multiplexer to amplify
Light signal is stated, and is transferred to its exterior；The wavelength division multiplexer also receives the light signal of return, first optical coupling
The light signal of the return that device receives the wavelength division multiplexer is divided into two beams, and the photodetector is by the two-beam source
Signal carries out opto-electronic conversion and quadrature demodulation treatment to export analog signal.
4. the optical fiber vibration sensing system based on ATCA according to claim 1, it is characterised in that described flat based on ATCA
The cabinet of platform also includes power supply, and first light processes board includes laser, driver, modulator and fiber amplifier, institute
Stating first interface pinboard includes first interface switching daughter board and second interface switching daughter board；The power supply turns by the first power supply
The voltage conversion for changing circuit is powered to the laser, and the laser is by first interface switching daughter board and described first
The cabinet slot connection of light processes board；The power supply is supplied the modulator by the voltage conversion of second source change-over circuit
Electricity；The power supply is powered by the voltage conversion of the 3rd power-switching circuit to the fiber amplifier, the fiber amplifier
It is connected with the cabinet slot of first light processes board by second interface switching daughter board；The Central Processing Board cartoon
Cross the data exchange line and control exchange line is connected respectively to the first and second interface daughter board, network interface is believed
Number rs 232 serial interface signal is converted to, correspondingly controls the laser and the fiber amplifier to realize corresponding function.
5. the optical fiber vibration sensing system based on ATCA according to claim 2 or 4, it is characterised in that the optical fiber is put
Big device is erbium-doped fiber amplifier.
6. the optical fiber vibration sensing system based on ATCA according to claim 1, it is characterised in that described flat based on ATCA
The cabinet of platform also include power supply, second light processes board include raman amplifier, photodetector, the first photo-coupler with
And wavelength division multiplexer；The power supply is powered by the voltage conversion of the 4th power-switching circuit to the raman amplifier, described
Raman amplifier is connected by the second interface pinboard with the cabinet slot of second light processes board；The centre
Reason board is connected to the second interface pinboard by the data exchange line and control exchange line, by network interface signal
Rs 232 serial interface signal is converted to, controls the raman amplifier to realize corresponding function；The power supply is also by the 5th Power convert electricity
The voltage conversion on road is powered to the photodetector.
7. the optical fiber vibration sensing system based on ATCA according to claim 1, it is characterised in that described flat based on ATCA
The cabinet of platform also includes power supply, and the Signal transacting board analysis include cpci bus interface, and the cpci bus interface passes through the 3rd
Interface plate by cpci bus interface conversion for network interface is connected with the cabinet slot with the Signal transacting board analysis, the power supply
By the voltage conversion of the 6th power-switching circuit for the Signal transacting board analysis are powered.
8. a kind of fiber-optic vibration detection device based on ATCA, it is characterised in that described device includes：
Based on the cabinet of senior communication computer framework ATCA platforms, including backboard and the first light for being arranged on the backboard
The cabinet slot for the treatment of board and the second light processes board, the backboard includes the data exchange line of the connection cabinet slot
With control exchange line；
First light processes board and first interface pinboard, first light processes board will by the first interface pinboard
Serial ports is converted to network interface and is connected with the cabinet slot with first light processes board；First light processes board is used to produce
LASER Light Source, and the LASER Light Source is modulated and will amplified through the light signal after ovennodulation；And
Second light processes board, and second interface pinboard, second light processes board is by the second interface pinboard
Serial ports is converted into network interface to be connected with the cabinet slot with second light processes board；Second light processes board is used to obtain
The light signal that first light processes board of learning from else's experience is amplified, and be sent to outside system after being amplified to the light signal
Portion, and the light signal of return is converted into analog signal.
9. the fiber-optic vibration detection device based on ATCA according to claim 8, it is characterised in that described flat based on ATCA
The cabinet of platform also includes power supply, and first light processes board includes laser, driver, modulator and fiber amplifier, institute
Stating first interface pinboard includes first interface switching daughter board and second interface switching daughter board；The power supply turns by the first power supply
The voltage conversion for changing circuit is powered to the laser, and the laser is by first interface switching daughter board and described first
The cabinet slot connection of light processes board；The power supply is supplied the modulator by the voltage conversion of second source change-over circuit
Electricity；The power supply is powered by the voltage conversion of the 3rd power-switching circuit to the fiber amplifier, the fiber amplifier
It is connected with the cabinet slot of first light processes board by second interface switching daughter board.
10. the fiber-optic vibration detection device based on ATCA according to claim 8, it is characterised in that described based on ATCA
The cabinet of platform also includes power supply, and second light processes board includes raman amplifier, photodetector, the first photo-coupler
And wavelength division multiplexer；The power supply is powered by the voltage conversion of the 4th power-switching circuit to the raman amplifier, institute
Raman amplifier is stated to be connected with the cabinet slot of second light processes board by the second interface pinboard；Center treatment
Board is connected to the second interface pinboard by the data exchange line and control exchange line, and network interface signal is turned
Rs 232 serial interface signal is changed to, controls the raman amplifier to realize corresponding function；The power supply is also by the 5th power-switching circuit
Voltage conversion the photodetector is powered.
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| CN202696612U (en) * | 2012-06-07 | 2013-01-23 | 武汉电信器件有限公司 | 40 G CFP (computer form printer) optical module using integrated photoelectric detector |
| CN103727969A (en) * | 2014-01-10 | 2014-04-16 | 电子科技大学 | Delay pulse Raman amplification based distributed sensing system |
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| US8391157B2 (en) * | 2008-06-16 | 2013-03-05 | Ixia | Distributed flow analysis |
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|---|---|---|---|---|
| CN202696612U (en) * | 2012-06-07 | 2013-01-23 | 武汉电信器件有限公司 | 40 G CFP (computer form printer) optical module using integrated photoelectric detector |
| CN103727969A (en) * | 2014-01-10 | 2014-04-16 | 电子科技大学 | Delay pulse Raman amplification based distributed sensing system |
| CN203853677U (en) * | 2014-03-21 | 2014-10-01 | 中国人民解放军总装备部军械技术研究所 | Portable all-direction laser rust removing instrument |
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| CN204214541U (en) * | 2014-10-11 | 2015-03-18 | 深圳艾瑞斯通技术有限公司 | Based on optical fiber vibration sensing system and the fiber-optic vibration pick-up unit of ATCA |
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