CN205941893U - Synchronous hydrolocation broadband beacon system of big dipper - Google Patents
Synchronous hydrolocation broadband beacon system of big dipper Download PDFInfo
- Publication number
- CN205941893U CN205941893U CN201620896326.1U CN201620896326U CN205941893U CN 205941893 U CN205941893 U CN 205941893U CN 201620896326 U CN201620896326 U CN 201620896326U CN 205941893 U CN205941893 U CN 205941893U
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- circuit
- synchronous
- change
- big dipper
- flush bonding
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Abstract
The utility model discloses a synchronous hydrolocation broadband beacon system of big dipper, including synchronous and clock circuit, communication circuit, single -chip control circuit, FPGA flush bonding module, DA converting circuit, power amplifier circuit, matching circuit, transmitting transducer, the FPGA flush bonding module links to each other with synchronization and clock circuit, single -chip control circuit and DA converting circuit respectively. The utility model discloses a broadband design is in order to improve the acoustic marker signal at the complicated underwater sound environment suitability of work down, easy detection and identification. Simultaneously to high accuracy big dipper second pulse as the time signals all, can improve to the time avoid using the various problems that GPS system etc. Brought in the precision.
Description
Technical field
This utility model belongs to submarine target acoustic positioning technique field, and more specifically a kind of Big Dipper synchronous underwater acoustic is fixed
Bit wide frequency band beacon system.
Background technology
Domestic at present target waterborne is positioned to technological means (GPS system, the Jia Li generally adopting based on satellite technology
Slightly system, dipper system etc.), it is aided with inertia and other location technology.When target is under water, because aqueous medium is to radio
The strong Absorption of ripple, limits the application of satellite fix.Using sound wave as the acoustic positioning technique of information carrier become based on
Select, wherein synchronous underwater acoustic alignment system applies ripe, simple and effective system to be generally used as a kind of.Synchronous underwater acoustic
Alignment system is the cooperation acoustic marker that certain frequency is installed in a kind of requirement on being positioned target additional, receives array element and passes through estimation time delay
Or delay inequality is come the equipment being positioned.In recent years, the research and development with a large amount of underwater sound equipments and application, its working frequency range covering
More and more wider, and due to lacking unified frequency range operating specification, other underwater sound equipments inevitably occur and closes under water
Make the overlapping problem of the working frequency range of object locating system, the suitability to positioning measurment system proposes challenge.Meanwhile, position
The positioning precision of measuring system and equipment complexity are not only closely related with system structure and location algorithm, and to a certain extent
Design depending on localizer beacon is good and bad, and good localizer beacon design not only can reduce many in beacon signal communication process
Plant interference, and be conducive to quick, high precision test to beacon signal for the alignment system.
Utility model content
The purpose of this utility model is to avoid of the prior art not enough and provides a kind of Big Dipper synchronous underwater acoustic fixed
Bit wide frequency band beacon system, this utility model is achieved through the following technical solutions：
A kind of Big Dipper synchronous underwater acoustic positions broadband beacon system, including synchronous and clock circuit, telecommunication circuit, single-chip microcomputer
Control circuit, FPGA flush bonding module, D/A change-over circuit, power amplifier, match circuit, transmitting transducer；Described FPGA embeds
Formula module is connected with synchronization and clock circuit, single chip machine controlling circuit and D/A change-over circuit respectively；
Described FPGA flush bonding module, as control core, is used for completing with host computer communication function and synchronizing signal is sent out
The configuration feature of raw unit；
Described synchronization and clock circuit adopt Low Drift Temperature constant-temperature crystal oscillator, during for synchronizing pair with reference synchronization clock；
Described D/A change-over circuit is used for realizing digital signal to the translation function of analogue signal；
Described power amplifier is used for amplifying the analogue signal of described D/A change-over circuit output to reach described transmitting transducing
The transmission power of device；
Described match circuit is used for making described power amplifier output signal have more preferable frequency characteristic, improves transmitting effect
Rate.
Wherein, described D/A change-over circuit includes D/A control module, signal emission module, arithmetical operation and control unit,
Described FPGA flush bonding module is realized defeated to the logic control data of described D/A change-over circuit by described D/A control module
Go out.
Wherein, described power amplifier is in-phase amplification circuit.
Wherein, described transmitting transducer is piezoelectric ceramics underwater acoustic transducer.
This utility model adopts broadband to design to improve the suitability that acoustic marker signal works under complicated Underwater Acoustic Environment,
It is easy to detect and identify.Meanwhile, this utility model voluntarily develops the big-dipper satellite alignment system of operation as positioning using China
Synchronizer, overcomes the dependency in the past to external alignment system；Using big-dipper satellite alignment system hi-Fix time service
Function, improves certainty of measurement and confidentiality.
Brief description
Using accompanying drawing, the utility model is described in further detail, but the embodiment in accompanying drawing is not constituted to of the present utility model
Any restriction, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to following attached
Figure obtains other accompanying drawings.
Fig. 1 is module connection diagram of the present utility model.
Fig. 2 is synchronous and clock circuit block diagram.
Fig. 3 is D/A change-over circuit block diagram.
Fig. 4 is in-phase amplification circuit schematic diagram.
Specific embodiment
In order that those skilled in the art more fully understands the technical solution of the utility model, below in conjunction with the accompanying drawings and tool
Body embodiment is described in further detail to this utility model, it should be noted that in the case of not conflicting, the application's
Feature in embodiment and embodiment can be mutually combined.
As shown in Figures 1 to 4, Big Dipper synchronous underwater acoustic described in the utility model positions broadband beacon system, including synchronous
With clock circuit, telecommunication circuit, single chip machine controlling circuit, FPGA flush bonding module, D/A change-over circuit, power amplifier, coupling electricity
Road, transmitting transducer；Described FPGA flush bonding module is changed with synchronization and clock circuit, single chip machine controlling circuit and D/A respectively
Circuit is connected.
Field programmable gate array (FPGA, Field Programmable Gate Array) is PLD
Typical Representative, be there is the function of being realized specialized application by user program, and research worker develop a large amount of through checking
IP (Intellectual Property) use for designer, can greatly shorten the lead time of system, reduce fund and throw
Enter.
Synchronous and clock circuit adopts Low Drift Temperature constant-temperature crystal oscillator, and the logical circuit of counter synchronizing with reference synchronization clock can be by
FPGA embedded system is completing.This utility model, in order to reduce the complexity of system design, reduces volume, and strengthening system works
Stability, select wired synchronization system, when system was passed through cable and BEI-DOU position system before entering water and synchronized pair, enter
After water, signal transmitting is carried out according to synchronizing signal.Further, since BEI-DOU position system and this utility model are two different being
System, in circuit system, the voltage of signal, current amplitude may differ by very greatly, synchronous to constantly, if two systems are directly mutual
Even it is possible to will interfere with each other, ill-conditioned may lead to system cisco unity malfunction or burn.In order to prevent this situation
Occur, install optocoupler isolator part between the two additional, both sides' normal work thus can be made not influence each other.
The signal of FPGA flush bonding module output is then digital signal, and therefore D/A change-over circuit will be realized digital signal and arrives
The translation function of analogue signal.The signal rule being exported by DAC-circuit is unable to reach underwater acoustic transducer transmission power, therefore uses
Power amplification circuit is making underwater acoustic transducer normal work.Meanwhile, match circuit then makes the output of localizer beacon module more preferably
Frequency characteristic, improve emission effciency.D/A change-over circuit includes D/A control module, signal emission module, arithmetical operation and control
Unit processed, FPGA flush bonding module passes through D/A control module and realizes the logic control data output to D/A change-over circuit.
Power amplifier is used for amplifying the analogue signal of D/A change-over circuit output to reach the transmitting of described transmitting transducer
Power is it is preferable that power amplifier is in-phase amplification circuit；Match circuit is used for making described power amplifier output signal have more preferably
Frequency characteristic, improve emission effciency.
Transmitting transducer is one kind acoustic emission device under water, and this is a kind of capacitive load it is preferable that transmitting transducer adopts
Piezoelectric ceramics underwater acoustic transducer.
Operation principle of the present utility model is：Single-chip microcomputer receives PC control instruction and calculates transmit cycle, pulsewidth, D/
The parameters such as the state control signal of A change-over circuit are sent to FPGA embedded system module, and FPGA flush bonding module is by specific calculation
Method and waveform digital signal needed for control instruction generation, send into D/A change-over circuit and carry out D/A switch, the analogue signal obtaining
Through power amplification and coupling transmitting output.Synchronizing signal is produced by big-dipper satellite timing equipment, with realization and receiver simultaneously
When synchronous pair of circuit.Combined by SCM＆FPGA flush bonding module, the transmitting beacon letter realized using special algorithm
Number, hardware circuit can be reduced as far as, circuit structure is clear, succinct, low in energy consumption, using the IP through a large amount of checkings
The work of (Intellectual Property) safeguards system has preferable reliability and stability, meets Small object hardware installation
Space and the requirement of reliability and stability.
A lot of details are elaborated in order to fully understand this utility model in above description, but, this practicality is new
Type can also be different from other modes described here to implement using other, it is thus impossible to be interpreted as this utility model is protected
The restriction of shield scope.
In a word although those skilled in the art can carry out various change and remodeling, unless such change and remodeling
Deviate from scope of the present utility model, otherwise should be construed as being included in protection domain of the present utility model.
Claims (4)
1. a kind of Big Dipper synchronous underwater acoustic positioning broadband beacon system it is characterised in that：Including synchronous and clock circuit, communication electricity
Road, single chip machine controlling circuit, FPGA flush bonding module, D/A change-over circuit, power amplifier, match circuit, transmitting transducer；Institute
State FPGA flush bonding module to be connected with synchronization and clock circuit, single chip machine controlling circuit and D/A change-over circuit respectively；
Described FPGA flush bonding module, as control core, is used for completing with host computer communication function and to synchronizing signal, list occurs
The configuration feature of unit；
Described synchronization and clock circuit adopt Low Drift Temperature constant-temperature crystal oscillator, during for synchronizing pair with reference synchronization clock；
Described D/A change-over circuit is used for realizing digital signal to the translation function of analogue signal；
Described power amplifier is used for amplifying the analogue signal of described D/A change-over circuit output to reach described transmitting transducer
Transmission power；
Described match circuit is used for making described power amplifier output signal have more preferable frequency characteristic, improves emission effciency.
2. Big Dipper synchronous underwater acoustic according to claim 1 positioning broadband beacon system it is characterised in that：Described D/A turns
Change circuit and include D/A control module, signal emission module, arithmetical operation and control unit, described FPGA flush bonding module passes through
Described D/A control module realizes the logic control data output to described D/A change-over circuit.
3. Big Dipper synchronous underwater acoustic according to claim 1 positioning broadband beacon system it is characterised in that：Described power amplifier electricity
Road is in-phase amplification circuit.
4. Big Dipper synchronous underwater acoustic according to claim 1 positioning broadband beacon system it is characterised in that：Described transmitting is changed
Can device be piezoelectric ceramics underwater acoustic transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620896326.1U CN205941893U (en) | 2016-08-17 | 2016-08-17 | Synchronous hydrolocation broadband beacon system of big dipper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620896326.1U CN205941893U (en) | 2016-08-17 | 2016-08-17 | Synchronous hydrolocation broadband beacon system of big dipper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205941893U true CN205941893U (en) | 2017-02-08 |
Family
ID=57919276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620896326.1U Expired - Fee Related CN205941893U (en) | 2016-08-17 | 2016-08-17 | Synchronous hydrolocation broadband beacon system of big dipper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205941893U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108427133A (en) * | 2018-03-20 | 2018-08-21 | 交通运输部北海航海保障中心天津海事测绘中心 | A kind of tide register system based on Big Dipper harmony Bathymetric Technology |
| CN108549053A (en) * | 2018-03-15 | 2018-09-18 | 中国人民解放军91388部队 | A kind of multi signal system hydrolocation beacon system Big Dipper synchronization and be remotely controlled |
| CN110928176A (en) * | 2019-11-21 | 2020-03-27 | 北京计算机技术及应用研究所 | Multifunctional time service equipment supporting multiple time service technologies |
-
2016
- 2016-08-17 CN CN201620896326.1U patent/CN205941893U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108549053A (en) * | 2018-03-15 | 2018-09-18 | 中国人民解放军91388部队 | A kind of multi signal system hydrolocation beacon system Big Dipper synchronization and be remotely controlled |
| CN108427133A (en) * | 2018-03-20 | 2018-08-21 | 交通运输部北海航海保障中心天津海事测绘中心 | A kind of tide register system based on Big Dipper harmony Bathymetric Technology |
| CN110928176A (en) * | 2019-11-21 | 2020-03-27 | 北京计算机技术及应用研究所 | Multifunctional time service equipment supporting multiple time service technologies |
| CN110928176B (en) * | 2019-11-21 | 2021-11-30 | 北京计算机技术及应用研究所 | Multifunctional time service equipment supporting multiple time service technologies |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20170817 |