CN105158752A - Photovoltaic conversion device, system and method for signal transmission of towed line array sonar - Google Patents
Photovoltaic conversion device, system and method for signal transmission of towed line array sonar Download PDFInfo
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- CN105158752A CN105158752A CN201510351241.5A CN201510351241A CN105158752A CN 105158752 A CN105158752 A CN 105158752A CN 201510351241 A CN201510351241 A CN 201510351241A CN 105158752 A CN105158752 A CN 105158752A
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- photoelectric conversion
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- conversion module
- 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 present invention provides a photovoltaic conversion device, a photovoltaic conversion system and a method for signal transmission of a towed line array sonar. The photovoltaic conversion device comprises a plurality of photovoltaic conversion unit circuits which are connected in parallel; wherein each photovoltaic conversion unit circuit comprises a power supply chip, a photovoltaic conversion module, a relay and a differential signal connector; the photovoltaic conversion module comprises a relay control module, an uplink photovoltaic conversion module and a downlink photovoltaic conversion module; the relay control module is connected with a control loop of the relay, and is used for controlling a switching loop of the relay to switch from an original short-circuit state to a conducting state after the uplink photovoltaic conversion module is successfully connected with an optical fiber; and the uplink photovoltaic conversion module is connected with an uploading end of the differential signal connector through the switching loop of the relay. Compared with a conventional designing scheme in which optical fiber back-up is only provided at the external part of a towed line array interface, the photovoltaic conversion device of the present invention has the advantages that optical fiber back-up is added to the internal part of atowed line, i.e., the plurality of photovoltaic conversion unit circuits which are connected in parallel are provided, thereby reducing the probability of signal transmission interruption caused by damage of the optical fiber in the towed line array.
Description
Technical field
The present invention relates to fiber optic applications, particularly, relate to a kind of photoelectric conversion device, system and method for towed linear-array sonar Signal transmissions.
Background technology
In digitizing towed linear array sonar, underwater line array needs a large amount of hydrophone signals to be carried out signal condition, analog to digital conversion, then coding upload to dry end and process, so the signal after coding generally all adopts Optical Fiber Transmission.But optical fiber has vulnerability, particularly frequent in this movement of towing line array, the probability of optical fibre damage occurs in equipment frequently in folding and unfolding can be larger; And once optical fibre damage, have nothing for it except returning factory and disassembling maintenance.
Based on above situation, in order to reduce because of optical fibre damage with the probability that signals interrupts, improve the mission reliability of sonar linear array, being therefore badly in need of a kind of photoelectric conversion unit circuit with automatic switching function.
Summary of the invention
For defect of the prior art, the object of this invention is to provide a kind of photoelectric conversion device, system and method for towed linear-array sonar Signal transmissions.Thus after being damaged with optical fiber when one, another root optical fiber can being switched to and working on.Due to photoelectric conversion module differential output signal (TX+, TX-) output impedance is little, cannot be directly in parallel, if directly parallel connection will cause output level to change and affect data transmission accuracy, and easily burn out photoelectric conversion module, so add relay in photoelectric conversion unit circuit.The present invention, under the prerequisite not increasing linear array global design structure, adds the durability of towing line array; Backup is added for the flimsy optical fiber of appearance, improves the reliability of Signal transmissions.
The photoelectric conversion device of the towed linear-array sonar Signal transmissions of the aspect confession carried according to the present invention, comprises the photoelectric conversion unit circuit of multiple parallel connection;
Described photoelectric conversion unit circuit comprises power supply chip, photoelectric conversion module, relay and differential signal connectors;
Described photoelectric conversion module comprises relay control module, up photoelectric conversion module and descending photoelectric conversion module;
Described relay control module connects the control loop of described relay, for switching to conducting state when the switching circuitry controlling described relay after up photoelectric conversion module and Fiber connection success by initial short-circuit condition; What described up photoelectric conversion module connected described differential signal connectors by the switching circuitry of described relay uploads end;
The biography end down of described differential signal connectors connects described descending photoelectric conversion module;
Described power supply chip is used for providing electric energy to the control loop of photoelectric conversion module and relay.
Preferably, differential electric signal line, optical fiber and interface is also comprised;
Described differential signal connectors connects described interface by differential electric signal line; Described up photoelectric conversion module is all connected described optical fiber with descending photoelectric conversion module;
Described descending photoelectric conversion module is used for the differential electric signal received by differential signal connectors 4 being converted to light signal and passing by under optical fiber;
Described up photoelectric conversion module is uploaded for the light signal by optical fiber is sent out is converted to differential electric signal.
Preferably, described power supply chip is for providing the magnitude of voltage of 3.3V.
The photo-translating system being suitable for towed linear-array sonar Signal transmissions that another aspect carried according to the present invention provides, comprises the photoelectric conversion device of described towed linear-array sonar Signal transmissions, also comprises group section; Described group section is by photoelectric conversion module described in Fiber connection.
Preferably, also comprise vibration isolation section I, digital section I, acoustic matrix section, every battle array section II and tail rope section;
Wherein, described group section, described vibration isolation section I, described digital section I, described acoustic matrix section, describedly to arrange in turn every battle array section II and described tail rope section;
Described group section is electrically connected described digital section I, and described digital section I is electrically connected the described sound section of shaking;
Described group section is used for host computer being handed down to digital section I by the controling parameters light signal that the photoelectric conversion device of described towed linear-array sonar Signal transmissions issues and sonar light signal being uploaded to host computer by the photoelectric conversion device of described towed linear-array sonar Signal transmissions; Described digital section I is used for described controling parameters light signal to be converted to controling parameters electric signal and is handed down to the sound section of shaking and sonar electric signal is converted to sonar light signal and be uploaded to group section; The described sound section of shaking is for receiving described controling parameters electric signal and the sonar electric signal collected being uploaded to digital section I.
Another aspect carried according to the present invention provides the using method of the photoelectric conversion device of described towed linear-array sonar Signal transmissions, comprises the steps:
Step 1; Initialization;
Step 2: choose a photoelectric conversion unit circuit;
Step 3: judge the whether successful connection of the optical fiber that this photoelectric conversion unit circuit is corresponding and up photoelectric conversion module; If successful connection, then enter step 4; Otherwise, then step 5 is entered;
Step 4: when optical fiber corresponding to this photoelectric conversion unit circuit and up photoelectric conversion module successful connection, the connection status signal that the relay control module that this photoelectric conversion unit circuit is corresponding exports is high level signal, the switching circuitry that this high level signal controls corresponding relay switches to conducting state, thus can realize the connection of corresponding up photoelectric conversion module to differential signal connectors; Flow process terminates;
Step 5: do not have successful connection between optical fiber corresponding to this photoelectric conversion unit circuit and up photoelectric conversion module, the connection status signal that the relay control module that this photoelectric conversion unit circuit is corresponding exports is low level signal, the switching circuitry that this low level signal controls corresponding relay keeps off state, thus the photoelectric conversion module of correspondence and differential signal connectors remain open; Then step 6 is entered;
Step 6: choose another photoelectric conversion unit circuit, then enters step 3 and continues to perform judgement.
Compared with prior art, the present invention has following beneficial effect:
1, failure rate is low, only dragging linear array interface outside to the design proposal of optical fiber backup before the present invention compares, optical fiber backup is too increased in towing cable inside, namely the photoelectric conversion unit circuit of multiple parallel connection is set, greatly reduces in towing line array the probability causing due to optical fibre damage Signal transmissions to interrupt;
2, maintainability is more convenient, and structure of the present invention is simple, even if the fault of there occurs, maintenance is more convenient before also comparing, and only need change photoelectric conversion unit, eliminate the time of malfunction elimination;
3, versatility, the mobile device that the present invention uses optical fiber to carry out communicating for other field has versatility;
4, cost is low, and the present invention produces by reducing, fault rate in debug process, and increases the convenience of maintenance, can improve the production efficiency of dragging linear array, reduces wholely to drag linear array cost.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the application structure schematic diagram in the present invention in sonar towed linear-array sonar Signal transmissions;
In figure:
represent between circuit through light-coupled isolation;
---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 is the first photoelectric conversion module;
3 is the first relay;
4 is differential signal connectors;
5 is photoelectric conversion unit circuit;
6 is light pricker;
7 is interface;
8 is the first differential electric signal line;
9 is the second differential electric signal line;
10 is group section;
11 is vibration isolation section I;
12 is digital section I;
13 is acoustic matrix section A;
14 is acoustic matrix section B;
15 is vibration isolation section II;
16 is tail rope section.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
In the present embodiment, the photoelectric conversion device of towed linear-array sonar Signal transmissions provided by the invention, comprises the photoelectric conversion unit circuit of multiple parallel connection;
Described photoelectric conversion unit circuit comprises power supply chip 1, photoelectric conversion module 2, relay 3 and differential signal connectors 4; Described photoelectric conversion module 2 comprises relay control module, up photoelectric conversion module and descending photoelectric conversion module; Described relay control module connects the control loop of described relay 3, for switching to conducting state when the switching circuitry controlling described relay 3 after up photoelectric conversion module and Fiber connection success by initial short-circuit condition; What described up photoelectric conversion module connected described differential signal connectors 4 by the switching circuitry of described relay 3 uploads end; The biography end down of described differential signal connectors 4 connects described descending photoelectric conversion module; Described power supply chip 1 provides electric energy for giving the control loop of photoelectric conversion module 2 and relay 3.
The photoelectric conversion device of towed linear-array sonar Signal transmissions provided by the invention, also comprises differential electric signal line, optical fiber 6 and interface 7; Described differential signal connectors 4 connects described interface 7 by differential electric signal line; Described up photoelectric conversion module and descending photoelectric conversion module are all connected described optical fiber 6; Described descending photoelectric conversion module is used for the differential electric signal received by differential signal connectors 4 being converted to light signal and being passed for 6 times by optical fiber; Described up photoelectric conversion module is used for that the light signal by optical fiber 6 is sent out is converted to differential electric signal and uploads.Described power supply chip 1 is for providing the magnitude of voltage of 3.3V.
The photoelectric conversion device of towed linear-array sonar Signal transmissions provided by the invention, comprises the photoelectric conversion unit circuit of multiple parallel connection; Make when one with optical fiber, after namely a photoelectric conversion unit circuit is damaged, can by another root optical fiber of link, i.e. another photoelectric conversion unit circuit and sonar linear array is normally worked.The differential electric signal received by differential signal connectors 4 is converted to light signal and is uploaded by optical fiber 6 by photoelectric conversion module 2, also other devices are passed under host computer can being converted to differential electric signal (TX+, TX-) by the light signal that optical fiber issues.When after optical fiber and photoelectric conversion module 2 successful connection, its connection status signal LINK_STATE is high level signal, thus makes relay 3 conducting, thus can realize the connection of optic module 2 and differential signal connectors 4.Due to photoelectric conversion module 2 differential output signal (TX+, TX-) output impedance is little, cannot be directly in parallel, if directly parallel connection will cause output level to change and affect data transmission accuracy, and easily burn out photoelectric conversion module 2, so add relay 3 in photoelectric conversion unit circuit 5.The break-make of relay realizes according to the Fiber connection status signal (LINK_STATE) of photoelectric conversion module 2, thus realize the isolation of two photoelectric conversion module differential output signals (TX+, TX-).This photoelectric conversion unit circuit, under the prerequisite not increasing linear array global design structure, adds the durability of towing line array; Backup is added for the flimsy optical fiber of appearance, improves the reliability of Signal transmissions.
The photo-translating system being suitable for towed linear-array sonar Signal transmissions provided by the invention, the photoelectric conversion device of namely described towed linear-array sonar Signal transmissions is applied to the Optical Fiber Transmission of sonar signal in sonar towing line array, comprise the photoelectric conversion device of described towed linear-array sonar Signal transmissions, also comprise group section 10; Described group section 10 is by photoelectric conversion module 2 described in Fiber connection.
The photo-translating system being suitable for towed linear-array sonar Signal transmissions provided by the invention, also comprise vibration isolation section I11, digital section I12, acoustic matrix section, every battle array section II15 and tail rope section 16; Wherein, described group section 10, described vibration isolation section I11, described digital section I12, described acoustic matrix section A143, described acoustic matrix section B14, describedly to arrange in turn every battle array section II15 and described tail rope section 16; Described group section 10 is electrically connected described digital section I12, and described digital section I12 is electrically connected the described sound section of shaking; Described group section 10 is for being handed down to digital section I12 by host computer by the controling parameters light signal that the photoelectric conversion device of described towed linear-array sonar Signal transmissions issues and sonar light signal being uploaded to host computer by the photoelectric conversion device of described towed linear-array sonar Signal transmissions; Described digital section I12 is used for described controling parameters light signal to be converted to controling parameters electric signal and is handed down to the sound section of shaking and sonar electric signal is converted to sonar light signal and be uploaded to group section 10; The described sound section of shaking is for receiving described controling parameters electric signal and the sonar electric signal collected being uploaded to digital section I12.
Described group section 10 is by twisted-pair feeder Received signal strength, by optical fiber output digit signals.The present invention can effectively reduce the probability dragging linear array to cause optical fibre damage in dragging process.
The using method of the photoelectric conversion device of towed linear-array sonar Signal transmissions provided by the invention, comprises the steps:
Step 1; Initialization;
Step 2: choose a photoelectric conversion unit circuit 5;
Step 3: judge the whether successful connection of the optical fiber 6 of this photoelectric conversion unit circuit 5 correspondence and up photoelectric conversion module; If successful connection, then enter step 4; Otherwise, then step 5 is entered;
Step 4: when optical fiber 6 and the up photoelectric conversion module successful connection of this photoelectric conversion unit circuit 5 correspondence, the connection status signal that the relay control module of this photoelectric conversion unit circuit 5 correspondence exports is high level signal, the switching circuitry that this high level signal controls corresponding relay 3 switches to conducting state, thus can realize the connection of corresponding up photoelectric conversion module to differential signal connectors 4; Flow process terminates;
Step 5: do not have successful connection between the optical fiber 6 and up photoelectric conversion module of this photoelectric conversion unit circuit 5 correspondence, the connection status signal that the relay control module of this photoelectric conversion unit circuit 5 correspondence exports is low level signal, the switching circuitry that this low level signal controls corresponding relay 3 keeps off state, thus the photoelectric conversion module 2 of correspondence and differential signal connectors 4 remain open; Then step 6 is entered;
Step 6: choose another photoelectric conversion unit circuit 5, then enters step 3 and continues to perform judgement.
More specifically, the differential electric signal 8 received by differential signal connectors 4 is converted to light signal and is uploaded by optical fiber 6 by described photoelectric conversion module 2; Also host computer can be converted to differential electric signal by the light signal that optical fiber issues and pass to other devices 9 times.When after the optical fiber 6 and photoelectric conversion module 2 successful connection of wherein any one photoelectric conversion unit circuit 5 correspondence, the connection status signal LINK_STATE of its photoelectric conversion module 2 is high level signal, it can make relay 3 conducting, thus can realize the output signal TX of optic module 2 and the connection of differential signal connectors 4.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (6)
1. a photoelectric conversion device for towed linear-array sonar Signal transmissions, is characterized in that, comprises the photoelectric conversion unit circuit of multiple parallel connection;
Described photoelectric conversion unit circuit comprises power supply chip (1), photoelectric conversion module (2), relay (3) and differential signal connectors (4);
Described photoelectric conversion module (2) comprises relay control module, up photoelectric conversion module and descending photoelectric conversion module;
Described relay control module connects the control loop of described relay (3), for switching to conducting state when the switching circuitry controlling described relay (3) after up photoelectric conversion module and Fiber connection success by initial short-circuit condition; What described up photoelectric conversion module connected described differential signal connectors (4) by the switching circuitry of described relay (3) uploads end;
The biography end down of described differential signal connectors (4) connects described descending photoelectric conversion module;
Described power supply chip (1) provides electric energy for giving the control loop of photoelectric conversion module (2) and relay (3).
2. the photoelectric conversion device of towed linear-array sonar Signal transmissions according to claim 1, is characterized in that, also comprises differential electric signal line, optical fiber (6) and interface (7);
Described differential signal connectors (4) connects described interface (7) by differential electric signal line; Described up photoelectric conversion module and descending photoelectric conversion module are all connected described optical fiber (6);
Described descending photoelectric conversion module is used for the differential electric signal received by differential signal connectors (4) being converted to light signal and being passed down by optical fiber (6);
Described up photoelectric conversion module is used for uploading being converted to differential electric signal by the upper light signal sent out of optical fiber (6).
3. the photoelectric conversion device of towed linear-array sonar Signal transmissions according to claim 1, is characterized in that, described power supply chip (1) is for providing the magnitude of voltage of 3.3V.
4. be suitable for a photo-translating system for towed linear-array sonar Signal transmissions, it is characterized in that, comprise the photoelectric conversion device of the towed linear-array sonar Signal transmissions described in any one of claims 1 to 3, also comprise group section (10); Described group section (10) is by photoelectric conversion module described in Fiber connection (2).
5. the photoelectric conversion device of towed linear-array sonar Signal transmissions according to claim 4, it is characterized in that, also comprise vibration isolation section I (11), digital section I (12), acoustic matrix section, every battle array section II (15) and tail rope section (16);
Wherein, described group section (10), described vibration isolation section I (11), described digital section I (12), described acoustic matrix section, describedly to arrange in turn every battle array section II (15) and described tail rope section (16);
Described group section (10) is electrically connected described digital section I (12), and described digital section I (12) is electrically connected the described sound section of shaking;
Described group section (10) is for being handed down to digital section I (12) by host computer by the controling parameters light signal that the photoelectric conversion device of described towed linear-array sonar Signal transmissions issues and sonar light signal being uploaded to host computer by the photoelectric conversion device of described towed linear-array sonar Signal transmissions; Described digital section I (12) is uploaded to group section (10) for described controling parameters light signal being converted to controling parameters electric signal and being handed down to the sound section of shaking and sonar electric signal being converted to sonar light signal; The described sound section of shaking is for receiving described controling parameters electric signal and the sonar electric signal collected being uploaded to digital section I (12).
6. a using method for the photoelectric conversion device of the towed linear-array sonar Signal transmissions described in any one of claims 1 to 3, is characterized in that, comprise the steps:
Step 1; Initialization;
Step 2: choose a photoelectric conversion unit circuit (5);
Step 3: judge the whether successful connection of the optical fiber (6) that this photoelectric conversion unit circuit (5) is corresponding and up photoelectric conversion module; If successful connection, then enter step 4; Otherwise, then step 5 is entered;
Step 4: when optical fiber (6) and the up photoelectric conversion module successful connection of this photoelectric conversion unit circuit (5) correspondence, the connection status signal that the relay control module that this photoelectric conversion unit circuit (5) is corresponding exports is high level signal, the switching circuitry that this high level signal controls corresponding relay (3) switches to conducting state, thus can realize the connection of corresponding up photoelectric conversion module to differential signal connectors (4); Flow process terminates;
Step 5: do not have successful connection between the optical fiber (6) and up photoelectric conversion module of this photoelectric conversion unit circuit (5) correspondence, the connection status signal that the relay control module that this photoelectric conversion unit circuit (5) is corresponding exports is low level signal, the switching circuitry that this low level signal controls corresponding relay (3) keeps off state, thus the photoelectric conversion module of correspondence (2) and differential signal connectors (4) remain open; Then step 6 is entered;
Step 6: choose another photoelectric conversion unit circuit (5), then enters step 3 and continues to perform judgement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510351241.5A CN105158752B (en) | 2015-06-23 | 2015-06-23 | Photoelectric conversion device, the system and method for towed linear-array sonar signal transmission |
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|---|---|---|---|
| CN201510351241.5A CN105158752B (en) | 2015-06-23 | 2015-06-23 | Photoelectric conversion device, the system and method for towed linear-array sonar signal transmission |
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| CN105158752B CN105158752B (en) | 2017-10-24 |
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| CN105976594A (en) * | 2016-04-29 | 2016-09-28 | 天津大学 | Double backup transmission link device of array system |
| CN108983200A (en) * | 2018-07-13 | 2018-12-11 | 中国船舶重工集团公司第七二六研究所 | Towing line array array shape estimation method and system |
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| CN105158752B (en) | 2017-10-24 |
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