CN105158752B - Photoelectric conversion device, the system and method for towed linear-array sonar signal transmission - Google Patents
Photoelectric conversion device, the system and method for towed linear-array sonar signal transmission Download PDFInfo
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- CN105158752B CN105158752B CN201510351241.5A CN201510351241A CN105158752B CN 105158752 B CN105158752 B CN 105158752B CN 201510351241 A CN201510351241 A CN 201510351241A CN 105158752 B CN105158752 B CN 105158752B
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- photoelectric conversion
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- relay
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
Abstract
The invention provides a kind of photoelectric conversion device of towed linear-array sonar signal transmission, system and method, including multiple photoelectric conversion unit circuits in parallel;Photoelectric conversion unit circuit includes power supply chip, photoelectric conversion module, relay and differential signal connectors;Photoelectric conversion module includes relay control module, up photoelectric conversion module and descending photoelectric conversion module;Relay control module connects the control loop of relay, and the switching circuitry for control relay after up photoelectric conversion module is with optical fiber successful connection switches to conducting state by initial short-circuit condition;Up photoelectric conversion module connects the upload end of differential signal connectors by the switching circuitry of relay.The present invention is compared to the design only backed up in the past outside dragging line battle array interface to optical fiber, optical fiber backup is also increased inside towing cable, multiple photoelectric conversion unit circuits in parallel are set, and reduce causes the probability of signal Transmission due to optical fibre damage in towing line array.
Description
Technical field
The present invention relates to fiber optic applications, in particular it relates to a kind of opto-electronic conversion dress of towed linear-array sonar signal transmission
Put, system and method.
Background technology
In digitlization towed linear array sonar, linear array needs substantial amounts of hydrophone signals carrying out signal tune under water
Reason, analog-to-digital conversion and then coding upload to dry end and handled, so the signal after coding is typically all transmitted using optical fiber.But
It is that optical fiber has vulnerability, particularly in this movement of towing line array frequently, frequently optical fibre damage occurs in equipment for folding and unfolding
Probability can be bigger;Once and optical fibre damage, except return factory disassemble maintenance in addition to have nothing for it.
Based on situation above, in order to reduce the probability that signal Transmission is brought because of optical fibre damage, sonar alignment is improved
The mission reliability of battle array, therefore it is badly in need of a kind of photoelectric conversion unit circuit with automatic switching function.
The content of the invention
For defect of the prior art, it is an object of the invention to provide a kind of light of towed linear-array sonar signal transmission
Electrical switching device, system and method.So as to after one is damaged with optical fiber, another optical fiber is switched to and worked on.
, will if directly in parallel because the output impedance of photoelectric conversion module differential output signal (TX+, TX-) is small, it is impossible to directly in parallel
Output level can be caused to change and data transfer accuracy is influenceed, and easily burn out photoelectric conversion module, then in photoelectricity
Relay is added in conversion unit circuit.The present invention adds towing on the premise of linear array global design structure is not increased
The durability of linear array;Backup is added for the optical fiber being easily damaged, the reliability of signal transmission is improved.
The photoelectric conversion device that the towed linear-array sonar signal that the one side carried according to the present invention is supplied is transmitted, including it is many
Individual photoelectric conversion unit circuit in parallel;
The photoelectric conversion unit circuit includes power supply chip, photoelectric conversion module, relay and differential signal connection
Device;
The photoelectric conversion module includes relay control module, up photoelectric conversion module and descending opto-electronic conversion mould
Block;
The relay control module connects the control loop of the relay, for when up photoelectric conversion module and light
The switching circuitry of the relay is controlled to switch to conducting state by initial short-circuit condition after fine successful connection;The up light
Electric modular converter connects the upload end of the differential signal connectors by the switching circuitry of the relay;
The biography end down of the differential signal connectors connects the descending photoelectric conversion module;
The power supply chip is used to provide electric energy to the control loop of photoelectric conversion module and relay.
Preferably, in addition to differential electric signal line, optical fiber and interface;
The differential signal connectors connect the interface by differential electric signal line;The up photoelectric conversion module and
Descending photoelectric conversion module is all connected with the optical fiber;
The descending photoelectric conversion module is used to be converted to the differential electric signal received by differential signal connectors 4
Optical signal and by being passed under optical fiber;
The up photoelectric conversion module is used to that differential electric signal upload will to be converted to by the optical signal sent out on optical fiber.
Preferably, the power supply chip is used for the magnitude of voltage for providing 3.3V.
What the other side carried according to the present invention was provided is suitable to the opto-electronic conversion system that towed linear-array sonar signal is transmitted
System, includes the photoelectric conversion device of described towed linear-array sonar signal transmission, in addition to group section;The group section passes through
Optical fiber connects the photoelectric conversion module.
Preferably, in addition to vibration isolation section I, digital section I, acoustic matrix section, vibration isolation section II and tail rope section;
Wherein, the group section, vibration isolation section I, the digital section I, acoustic matrix section, vibration isolation section II and described
Tail rope section is sequentially arranged;
The group section is electrically connected the digital section I, and the digital section I is electrically connected the acoustic matrix section;
The group section is used under the photoelectric conversion device that transmits host computer by the towed linear-array sonar signal
The control parameter optical signal of hair is handed down to digital section I and transmits sonar optical signal by the towed linear-array sonar signal
Photoelectric conversion device be uploaded to host computer;The digital section I is used to the control parameter optical signal being converted to control parameter
Electric signal, which is handed down to acoustic matrix section and sonar electric signal is converted into sonar optical signal, is uploaded to group section;The acoustic matrix section is used for
Receive the control parameter electric signal and the sonar electric signal collected is uploaded to digital section I.
The another aspect carried according to the present invention provides the opto-electronic conversion dress that described towed linear-array sonar signal is transmitted
The application method put, comprises the following steps:
Step 1;Initialization;
Step 2:Choose a photoelectric conversion unit circuit;
Step 3:Judge the corresponding optical fiber of photoelectric conversion unit circuit and up photoelectric conversion module whether successful connection;
If successful connection, into step 4;Otherwise, then into step 5;
Step 4:When the corresponding optical fiber of photoelectric conversion unit circuit and up photoelectric conversion module successful connection, the photoelectricity
The connection status signal of the corresponding relay control module output of conversion unit circuit is high level signal, the high level signal control
The switching circuitry for making corresponding relay switches to conducting state, so as to realize corresponding up photoelectric conversion module to difference
The connection of sub-signal connector;Flow terminates;
Step 5:Do not connected into when between the corresponding optical fiber of photoelectric conversion unit circuit and up photoelectric conversion module
Work(, the connection status signal of the corresponding relay control module output of the photoelectric conversion unit circuit is low level signal, and this is low
Level signal controls the switching circuitry of corresponding relay to keep off state, so that corresponding photoelectric conversion module and difference letter
Number connector is remained open;Subsequently into step 6;
Step 6:Another photoelectric conversion unit circuit is chosen, judgement is continued executing with subsequently into step 3.
Compared with prior art, the present invention has following beneficial effect:
1st, fault rate is low, and the present invention is being dragged compared to the design only backed up in the past outside dragging line battle array interface to optical fiber
Optical fiber backup is also increased inside cable, that is, multiple photoelectric conversion unit circuits in parallel are set, towing line array is greatly reduced
In cause the probability of signal Transmission due to optical fibre damage;
2nd, maintainability is more convenient, and the present invention is simple in construction, even if there occurs failure, and maintenance also can be more convenient compared to former,
Photoelectric conversion unit only need to be changed, the time of malfunction elimination is eliminated;
3rd, versatility, the present invention has versatility for the mobile device that other field is communicated using optical fiber;
4th, cost is low, and the present invention is by reducing fault rate in production, debugging process, and the convenience that increase is repaired
Property, the production efficiency of dragging line battle array can be improved, whole dragging line battle array cost is reduced.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is structural representation of the invention;
Fig. 2 is the application structure schematic diagram in sonar towed linear-array sonar signal transmission in the present invention;
In figure:
Represent to pass through light-coupled isolation between circuit;
Represent two-way communication;
Represent one-way communication;
Fig. 3 is the block diagram of prior art.
In figure:
1 is power supply chip;
2 be photoelectric conversion module;
3 be the first relay;
4 be differential signal connectors;
5 be photoelectric conversion unit circuit;
6 be light pricker;
7 be interface;
8 be the first differential electric signal line;
9 be the second differential electric signal line;
10 be group section;
11 be vibration isolation section I;
12 be digital section I;
13 be acoustic matrix section A;
14 be acoustic matrix section B;
15 be vibration isolation section II;
16 be tail rope section.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that to the ordinary skill of this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
In the present embodiment, the photoelectric conversion device for the towed linear-array sonar signal transmission that the present invention is provided, including it is many
Individual photoelectric conversion unit circuit in parallel;
The photoelectric conversion unit circuit includes power supply chip 1, photoelectric conversion module 2, relay 3 and differential signal and connected
Connect device 4;The photoelectric conversion module 2 includes relay control module, up photoelectric conversion module and descending photoelectric conversion module;
The relay control module connects the control loop of the relay 3, for being connected when up photoelectric conversion module with optical fiber
The switching circuitry of the relay 3 is controlled to switch to conducting state by initial short-circuit condition after success;The up photoelectricity turns
Change the mold the upload end that block connects the differential signal connectors 4 by the switching circuitry of the relay 3;The differential signal connects
The biography end down for connecing device 4 connects the descending photoelectric conversion module;The power supply chip 1 is used for photoelectric conversion module 2 and relay
The control loop of device 3 provides electric energy.
The photoelectric conversion device for the towed linear-array sonar signal transmission that the present invention is provided, in addition to differential electric signal line,
Optical fiber 6 and interface 7;The differential signal connectors 4 connect the interface 7 by differential electric signal line;The up photoelectricity turns
Mold changing block and descending photoelectric conversion module are all connected with the optical fiber 6;The descending photoelectric conversion module is used to by difference to believe
The differential electric signal that number connector 4 is received is converted to optical signal and by being passed under optical fiber 6;The up photoelectric conversion module is used
Uploaded in differential electric signal will be converted to by the optical signal sent out on optical fiber 6.The power supply chip 1 is used for the voltage for providing 3.3V
Value.
The photoelectric conversion device for the towed linear-array sonar signal transmission that the present invention is provided, including multiple photoelectricity in parallel turn
Change element circuit;So that after being damaged when one with the photoelectric conversion unit circuit of optical fiber, i.e., one, can be by linking another
Optical fiber, i.e. another photoelectric conversion unit circuit and make sonar linear array normal work.Photoelectric conversion module 2 will be believed by difference
The differential electric signal that number connector 4 is received is converted to optical signal and uploaded by optical fiber 6, also can issue host computer by optical fiber
Optical signal be converted to and be transmitted to other devices under differential electric signal (TX+, TX-).When optical fiber and the successful connection of photoelectric conversion module 2
Afterwards, its connection status signal LINK_STATE is high level signal, so that relay 3 is turned on, so as to realize that photoelectricity turns
Change the mold the connection of block 2 and differential signal connectors 4.Because the output of the differential output signal of photoelectric conversion module 2 (TX+, TX-) hinders
It is anti-small, it is impossible to directly in parallel, if directly parallel connection will cause output level to change and influence data transfer accuracy, and
Photoelectric conversion module 2 easily is burnt out, relay 3 is then added in photoelectric conversion unit circuit 5.The break-make of relay is basis
The optical fiber connection status signal (LINK_STATE) of photoelectric conversion module 2 is come what is realized, so as to realize two photoelectric conversion modules
The isolation of differential output signal (TX+, TX-).This photoelectric conversion unit circuit is not before linear array global design structure is increased
Put, add the durability of towing line array;Add backup for the optical fiber being easily damaged, improve signal transmission can
By property.
What the present invention was provided is suitable to the photo-translating system that towed linear-array sonar signal is transmitted, i.e. described towing alignment
The photoelectric conversion device of battle array sonar signal transmission is applied to the optical fiber transmission of sonar signal in sonar towing line array, including described
The transmission of towed linear-array sonar signal photoelectric conversion device, in addition to group section 10;The group section 10 is connected by optical fiber
Connect the photoelectric conversion module 2.
The photo-translating system for being suitable to the transmission of towed linear-array sonar signal that the present invention is provided, in addition to vibration isolation section I11,
Digital section I12, acoustic matrix section, vibration isolation section II15 and tail rope section 16;Wherein, the group section 10, vibration isolation section I11, the number
Field I12, acoustic matrix section A143, acoustic matrix section B14, vibration isolation section II15 and tail rope section 16 are sequentially arranged;Institute
State group section 10 and be electrically connected the digital section I12, the digital section I12 is electrically connected the acoustic matrix section;The group section 10
The control parameter optical signal issued for the photoelectric conversion device for transmitting host computer by the towed linear-array sonar signal
It is handed down on digital section I12 and the photoelectric conversion device for transmitting sonar optical signal by the towed linear-array sonar signal
It is transmitted to host computer;The digital section I12 is handed down to sound for the control parameter optical signal to be converted into control parameter electric signal
Battle array section and sonar electric signal is converted into sonar optical signal it is uploaded to group section 10;The acoustic matrix section is used to receive the control
Parameter electric signal and the sonar electric signal collected is uploaded to digital section I12.
The group section 10 is to receive signal by twisted-pair feeder, passes through optical fiber output data signal.The present invention can effectively subtract
Few dragging line battle array causes the probability of optical fibre damage in dragging process.
The application method of the photoelectric conversion device for the towed linear-array sonar signal transmission that the present invention is provided, including following step
Suddenly:
Step 1;Initialization;
Step 2:Choose a photoelectric conversion unit circuit 5;
Step 3:Judge whether the corresponding optical fiber 6 of the photoelectric conversion unit circuit 5 and up photoelectric conversion module connect into
Work(;If successful connection, into step 4;Otherwise, then into step 5;
Step 4:When the corresponding optical fiber 6 of the photoelectric conversion unit circuit 5 and up photoelectric conversion module successful connection, the light
The connection status signal of electric conversion unit circuit 5 corresponding relay control module output is high level signal, high level letter
The switching circuitry of number corresponding relay 3 of control switches to conducting state, so as to realize corresponding up opto-electronic conversion mould
Connection from block to differential signal connectors 4;Flow terminates;
Step 5:Do not connected when between the corresponding optical fiber 6 of the photoelectric conversion unit circuit 5 and up photoelectric conversion module
Success, the connection status signal of the corresponding relay control module of photoelectric conversion unit circuit 5 output is low level signal, should
Low level signal controls the switching circuitry of corresponding relay 3 to keep off state, so that corresponding photoelectric conversion module 2 and poor
Sub-signal connector 4 is remained open;Subsequently into step 6;
Step 6:Another photoelectric conversion unit circuit 5 is chosen, judgement is continued executing with subsequently into step 3.
More specifically, the differential electric signal that described photoelectric conversion module 2 will be received by differential signal connectors 4
8 are converted to optical signal and are uploaded by optical fiber 6;Also the optical signal that can be issued host computer by optical fiber is converted to differential electric signal
Other devices are transmitted under 9.When the corresponding optical fiber 6 of any of which photoelectric conversion unit circuit 5 and photoelectric conversion module 2 are connected into
After work(, the connection status signal LINK_STATE of its photoelectric conversion module 2 is high level signal, and it can turn on relay 3,
So as to the output signal TX and differential signal connectors 4 that realize photoelectric conversion module 2 connection.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (6)
1. a kind of photoelectric conversion device of towed linear-array sonar signal transmission, it is characterised in that including multiple photoelectricity in parallel
Conversion unit circuit;
The photoelectric conversion unit circuit includes power supply chip (1), photoelectric conversion module (2), relay (3) and differential signal
Connector (4);
The photoelectric conversion module (2) includes relay control module, up photoelectric conversion module and descending photoelectric conversion module;
The relay control module connects the control loop of the relay (3), for when up photoelectric conversion module and light
The switching circuitry of the relay (3) is controlled to switch to conducting state by initial short-circuit condition after fine successful connection;On described
Row photoelectric conversion module connects the upload end of the differential signal connectors (4) by the switching circuitry of the relay (3);
The biography end down of the differential signal connectors (4) connects the descending photoelectric conversion module;
The power supply chip (1) is used to provide electric energy to the control loop of photoelectric conversion module (2) and relay (3).
2. the photoelectric conversion device of towed linear-array sonar signal transmission according to claim 1, it is characterised in that also wrap
Include differential electric signal line, optical fiber (6) and interface (7);
The differential signal connectors (4) connect the interface (7) by differential electric signal line;The up photoelectric conversion module
The optical fiber (6) is all connected with descending photoelectric conversion module;
The descending photoelectric conversion module is used to the differential electric signal received by differential signal connectors (4) being converted to light
Signal is simultaneously passed down by optical fiber (6);
The up photoelectric conversion module is used to that differential electric signal upload will to be converted to by the optical signal sent out on optical fiber (6).
3. the photoelectric conversion device of towed linear-array sonar signal transmission according to claim 1, it is characterised in that described
Power supply chip (1) is used for the magnitude of voltage for providing 3.3V.
4. it is a kind of suitable for towed linear-array sonar signal transmit photo-translating system, it is characterised in that including claim 1 to
The photoelectric conversion device of towed linear-array sonar signal transmission described in 3 any one, in addition to group section (10);The group section
(10) photoelectric conversion module (2) is connected by optical fiber.
5. the photo-translating system according to claim 4 transmitted suitable for towed linear-array sonar signal, it is characterised in that
Also include vibration isolation section I (11), digital section I (12), acoustic matrix section, vibration isolation section II (15) and tail rope section (16);
Wherein, the group section (10), vibration isolation section I (11), the digital section I (12), acoustic matrix section, vibration isolation section
II (15) and tail rope section (16) are sequentially arranged;
The group section (10) is electrically connected the digital section I (12), and the digital section I (12) is electrically connected the acoustic matrix section;
The group section (10) is used under the photoelectric conversion device that transmits host computer by the towed linear-array sonar signal
The control parameter optical signal of hair is handed down to digital section I (12) and sonar optical signal is passed through into the towed linear-array sonar signal
The photoelectric conversion device of transmission is uploaded to host computer;The digital section I (12) is used to be converted to the control parameter optical signal
Control parameter electric signal, which is handed down to acoustic matrix section and sonar electric signal is converted into sonar optical signal, is uploaded to group section (10);Institute
Stating acoustic matrix section is used to receive the control parameter electric signal and the sonar electric signal collected is uploaded into digital section I (12).
6. a kind of use of the photoelectric conversion device of the towed linear-array sonar signal transmission described in any one of claims 1 to 3
Method, it is characterised in that comprise the following steps:
Step 1;Initialization;
Step 2:Choose a photoelectric conversion unit circuit (5);
Step 3:Judge whether the corresponding optical fiber (6) of photoelectric conversion unit circuit (5) and up photoelectric conversion module connect into
Work(;If successful connection, into step 4;Otherwise, then into step 5;
Step 4:When the corresponding optical fiber (6) of the photoelectric conversion unit circuit (5) and up photoelectric conversion module successful connection, the light
The connection status signal of the corresponding relay control module output of electric conversion unit circuit (5) is high level signal, the high level
Signal controls the switching circuitry of corresponding relay (3) to switch to conducting state, so as to realize that corresponding up photoelectricity turns
Change the mold connection of the block to differential signal connectors (4);Flow terminates;
Step 5:Do not connected when between the corresponding optical fiber (6) of photoelectric conversion unit circuit (5) and up photoelectric conversion module
Success, the connection status signal of the corresponding relay control module output of the photoelectric conversion unit circuit (5) is low level signal,
The low level signal controls the switching circuitry of corresponding relay (3) to keep off state, so that corresponding photoelectric conversion module
(2) remained open with differential signal connectors (4);Subsequently into step 6;
Step 6:Another photoelectric conversion unit circuit (5) is chosen, judgement is continued executing with subsequently into step 3.
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CN105976594A (en) * | 2016-04-29 | 2016-09-28 | 天津大学 | Double backup transmission link device of array system |
CN105761474B (en) * | 2016-05-12 | 2019-05-14 | 苏州联视泰电子信息技术有限公司 | A kind of towed linear-array sonar system signal loop transfer method based on Ethernet |
CN108983200B (en) * | 2018-07-13 | 2021-06-08 | 中国船舶重工集团公司第七二六研究所 | Towed linear array formation estimation method and system |
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