CN209446768U - A kind of underwater sailing body towrope release length-measuring appliance - Google Patents
A kind of underwater sailing body towrope release length-measuring appliance Download PDFInfo
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- CN209446768U CN209446768U CN201822167390.8U CN201822167390U CN209446768U CN 209446768 U CN209446768 U CN 209446768U CN 201822167390 U CN201822167390 U CN 201822167390U CN 209446768 U CN209446768 U CN 209446768U
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- 238000012360 testing method Methods 0.000 description 4
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- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The utility model belongs to field of marine equipment, it is related to a kind of underwater sailing body towrope release length-measuring appliance, the measuring device includes synchronous acoustic marker component, hydrophone component, data handling component and towrope, the hydrophone component is mounted on the towrope tail end, four core wires that the hydrophone component occupies towrope are connected with data handling component, the measuring device is mounted on underwater sailing body, the synchronous acoustic marker component and data handling component are mounted in the endpiece of underwater sailing body, the synchronization acoustic marker component and data handling component share one group of synchronization signal；The towrope, which is wrapped on wire spool, to be placed in underwater sailing body cabin or tail portion.The present apparatus passes through the length of run of real-time measurement towrope, judges whether towrope release succeeds.
Description
Technical field
The utility model relates to a kind of underwater sailing body towropes to discharge length-measuring appliance, be based on underwater sound synchronous range finding
Technology, the release length of the towrope for real-time measurement underwater sailing body, belongs to field of marine equipment.
Background technique
Instruction target belongs to a kind of underwater unmanned sail body, plays very important effect during the test of weapons in water.
The size for instructing target sail body is smaller, for more life-like simulation submarine, adds one very long drag in the tail portion of instruction target sail body
Cable is draged to increase the size of simulated target, towrope tail portion is to instruct target measuring system and the shared underwater acoustic transducer of sound system,
It instructs target sail body endpiece and synchronous acoustic marker is housed, can be used to sail body sound and show position, while being discharged as synchro measure towrope
The sound source of length.For the ease of transporting and storing, the towrope for instructing target is all wound around on a wire spool, and some is placed on
In sail body cabin, some is placed on tail portion；It tests in use process, instruction target control system is detecting that instructing target enters water gauge will
Afterwards, just the towrope entirely wound up is discharged into water, towrope is influenced by gravity and water resistance, can be with instruction target
Sail body is navigated by water forward and is gradually spread out.Under current techniques background, it is unascertainable, presence that whether towrope, which is fully deployed,
The risk not being fully deployed brings biggish negative shadow if towrope expansion not exclusively will result in follow-up test failure
Loud and huge economic loss.
Utility model content
The utility model proposes a kind of underwater sailing body towropes to discharge length-measuring appliance thus, by surveying in real time
The length of run for measuring towrope, judges whether towrope release succeeds.
To achieve the above object, the utility model uses following design structure and design scheme.
A kind of underwater sailing body towrope discharges length-measuring appliance, the measuring device include synchronous acoustic marker component (2),
Hydrophone component (3), data handling component (1) and towrope (4), the hydrophone component (3) are mounted on the towrope (4)
Tail end, four core wires which occupies towrope (4) are connected with data handling component (1), measurement dress
It sets and is mounted on underwater sailing body (100), the synchronous acoustic marker component (2) and data handling component (1) installation are navigated under water
In the endpiece of row body (100), wherein synchronous acoustic marker component (2) are mounted on the endpiece bullet of underwater sailing body (100),
The synchronization acoustic marker component (2) and data handling component (1) share one group of synchronization signal；The towrope (4) is wrapped in coiling
It is placed on disk in underwater sailing body (100) cabin or tail portion.
Further, the hydrophone component (3) is formed by putting Barrel for connecting cable before underwater sound reception energy converter and number, described
The underwater sound receives energy converter and receives the underwater sound signal of sync beacon transmitting and be converted to electric signal；Barrel for connecting cable progress is put before the number
Signal condition, acquisition, analog-to-digital conversion, serial digital circulation change and are sent to data handling component (1).
Further, the sensing element that the underwater sound receives energy converter selects piezoelectric ceramics ball.
Further, the synchronization acoustic marker component (2) by synchronous circuit, signal generating circuit, power amplification circuit,
Transmitting transducer composition, synchronous circuit are connected with signal generating circuit, and signal generating circuit is connected with power amplification circuit, power
Amplifying circuit is connected with transmitting transducer.
Further, the transmitting transducer uses piezoelectric ceramics as sensing element.
Further, the transmitting transducer shape is water-drop-shaped.
Further, the data handling component (1) is realized using signal-processing board, and input includes synchronous pulse per second (PPS)
The serial digital stream of signal and hydrophone component (3), output are the release length sequences data of resolved towrope (4), benefit
Underwater sailing body control system is sent result to communication interface.
Further, the synchronization signal is synchronous second pulse signal.
The design principle of the utility model are as follows: a kind of underwater sailing body towrope release length-measuring appliance utilizes synchronization
Range measurement principle realizes the real-time measurement of towrope release length；When sail body control system needs to obtain towrope release length number
According to when, send order and control synchronous acoustic marker component and emit synchronization pulse, while notification data processing component starts to receive
The underwater sound data of synchronization signal and towrope end hydrophone component calculate towrope release length using synchronous range finding principle
Degree, and return result to sail body control system.
The utility model produces following beneficial effect compared with prior art.
(1) the measuring device structure of the utility model is simple, low in cost, for needing to obtain towrope release length
On underwater sailing body, real-time measurement is carried out to its length after towrope starts release, measurement accuracy is high.
(2) it may determine that whether towrope expansion succeeds by the utility model measuring device, if unsuccessful notice is navigated
Row body emergency shutdown avoids the time of waste follow-up test and wastes subsequent coordinative experiments expense.
(3) this measuring device can repeatedly use, only need to be after instructing the simulated experiments such as the underwater sailing bodies such as target, will
Its complete disassembly saves, and when using next time, and is disposed on the underwater sailing bodies such as instruction target.
Detailed description of the invention
Fig. 1 is the underwater sailing body towrope release length-measuring appliance structural schematic diagram of the utility model.
Fig. 2 is the underwater sailing body towrope release length-measuring appliance composition block diagram of the utility model.
Fig. 3 is the synchronization acoustic marker component operation schematic diagram of the utility model.
Fig. 4 is the towrope end hydrophone component working principle diagram of the utility model.
Wherein label is 100- underwater sailing body in figure；1- data handling component；2- synchronizes acoustic marker component；3- water is listened
Device assembly；4- towrope.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and examples.
Embodiment 1
As shown in Figures 1 to 4, a kind of underwater sailing body towrope of the utility model discharges length-measuring appliance, including
Synchronization acoustic marker component 2, data handling component 1 and the towrope 4 being mounted in 100 endpiece of underwater sailing body, and be mounted on
The hydrophone component 3 of 4 tail portion of towrope, optimal, synchronous acoustic marker component 2 is mounted on the endpiece taper of underwater sailing body 100
On body.It wherein synchronizes acoustic marker component 2 and shares one group of synchronous second pulse signal with data handling component 1, and hydrophone component 3 accounts for
Differential data line, while hydrophone group are shielded with four core electric wires in sail body towrope 4, including two core power supply lines and a band
Part 3 is connected with data handling component 1.Wherein data handling component 1 is used realizes by the signal-processing board of core of FPGA+DSP,
FPGA completes time series stereodata and data input/output interface is realized, Data Input Interface includes synchronous second pulse signal input
It is inputted with the serial digital stream of hydrophone component 3, output is the communication interface with sail body control system, uses CAN or RS-
485 interfaces send result to underwater sailing body control system.
Synchronous acoustic marker component 2 is made of synchronous circuit, signal generating circuit, power amplification circuit, transmitting transducer, together
Step circuit is connected with signal generating circuit, and signal generating circuit is connected with power amplification circuit, and power amplification circuit is changed with transmitting
Energy device is connected.
Wherein, synchronous circuit realizes that it is every that precision is up to positive and negative 3E-11 using high-precision miniature rubidium atomic clock SA.33M
Second, it can keep for a long time synchronous with after GPS second impulsive synchronization.
Signal generating circuit realizes DDS arbitrary waveform generator using FPGA, the ranging burst letter of standard needed for generating
Number, a piece of FPGA is shared with upper module FPGA and data handling component.
Power amplification circuit uses Linear Power Amplifier, and circuit form is push-pull amplifier circuit, with small excellent of non-linear distortion
Point.
Transmitting transducer uses piezoelectric ceramics as sensing element, and shape is designed as water-drop-shaped, reduces to sail body resistance,
The electric signal of power amplifier output is converted to acoustical signal by it, and minimum sound source level is not less than 165dB at assigned work frequency point.
Wherein synchronous circuit can receive external synchronization signal and complete to synchronize, and keep same using high-precision rubidium atomic clock
Step export synchronous second pulse signal all the way and to data handling component synchronizes resolving；Signal generating circuit utilizes Direct Digital
Formula frequency synthesis technique realizes that the signal of standard needed for generating, power amplification circuit utilizes driving element and transformer by small letter
Number carry out power amplification, for driving transmitting transducer；The electric signal that power amplifier exports is converted to water by transmitting transducer
Acoustical signal, synchronous acoustic marker signal can be used as underwater sailing body and show a sound source, discharge length at the same time as measurement towrope 4
Sound-source signal.
Hydrophone component 3 is formed by putting Barrel for connecting cable before end underwater sound reception energy converter and number, and the underwater sound receives energy converter
Sensing element selects piezoelectric ceramics ball, and underwater sound signal is converted to electric signal, Barrel for connecting cable is put before number by received acoustical signal point
Not after analog circuit completes analog filtering, amplification, A/D conversion, it is sent to fpga chip and completes digital filtering and convert bunchiness
Row digital stream, finally using High Speed Serial transceiving chip SN65HVD24 as serial transceiver chip, the performance of the chip is far super
Common RS-485 transceiver is crossed, in order to meet TIA/EIA-485-A standard, SN65HVD24 works in the common-mode voltage of extension
On, and have the characteristics that high ESD protection, wide receive allow sluggish and fail safe, long cable is suitble to transmit and severe
Working environment, satisfaction are used herein as needs.
The underwater sound receives energy converter and is used to the underwater sound signal of sync beacon being converted to electric signal；Barrel for connecting cable completion is put before number
Reception signal filter and amplification, acquisition, analog-to-digital conversion, serial digital circulation are changed, and are sent to data finally by differential data line
Processing component 1.
Embodiment 2
A kind of underwater sailing body towrope release length-measuring appliance of the utility model is using preceding needing to utilize synchronous control
Control equipment synchronizes it, keeps synchronization signal, output by rubidium atomic clock high-precision in synchronous circuit after synchronously completing
Second pulse signal is synchronized all the way and synchronizes resolving to data handling component, and synchronous sound is emitted when opening work and shows a signal, i.e.,
The sync beacon that can be used as Underwater Navigation discharges the sound-source signal of length at the same time as measurement towrope 4.
Digital Signal Processing software is for detecting the synchronization acoustic marker signal received and synchronous second in data handling component 1
Pulse signal sets thresholding in sync beacon signal and finds pulse, and calculates the synchronization point of each pulse, accurate arteries and veins
The characteristic informations such as initial time, pulsewidth, frequency are rushed, then generate a classification further according to the feature of sync beacon pulse standard
The pulse information data looked for just can be extracted after the classifier ranging burst therein, then pass through ranging arteries and veins by device
It rushes synchronization point and precision pulse initial time in information and calculates 4 length of run of towrope, finally by the length data of resolving
Underwater sailing body 100 is sent to by communication interface to use.
Above embodiments are only to illustrate the technical solution of the utility model, rather than are limited；Although referring to before
Embodiment is stated the utility model is described in detail, it for those of ordinary skill in the art, still can be right
Technical solution documented by previous embodiment is modified or equivalent replacement of some of the technical features；And these
Modifications or substitutions, the utility model technical solution claimed that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (8)
1. a kind of underwater sailing body towrope discharges length-measuring appliance, which is characterized in that the measuring device includes synchronous sound letter
Mark component (2), hydrophone component (3), data handling component (1) and towrope (4), the hydrophone component (3) are mounted on institute
Towrope (4) tail end is stated, which occupies four core wires and data handling component (1) phase of towrope (4)
Even, which is mounted on underwater sailing body (100), the synchronous acoustic marker component (2) and data handling component (1) peace
In the endpiece of underwater sailing body (100), wherein synchronous acoustic marker component (2) are mounted on the endpiece of underwater sailing body (100)
On bullet, the synchronization acoustic marker component (2) and data handling component (1) share one group of synchronization signal；The towrope (4) twines
It is wound on wire spool and is placed in underwater sailing body (100) cabin or tail portion.
2. underwater sailing body towrope as described in claim 1 discharges length-measuring appliance, which is characterized in that the water is listened
Device assembly (3) is formed by putting Barrel for connecting cable before underwater sound reception energy converter and number, and the underwater sound receives energy converter and receives sync beacon
The underwater sound signal of transmitting is simultaneously converted to electric signal；Barrel for connecting cable, which is put, before the number carries out signal condition, acquisition, analog-to-digital conversion, string
The circulation of line number word changes and is sent to data handling component (1).
3. underwater sailing body towrope as claimed in claim 2 discharges length-measuring appliance, which is characterized in that the underwater sound
The sensing element for receiving energy converter selects piezoelectric ceramics ball.
4. underwater sailing body towrope as described in claim 1 discharges length-measuring appliance, which is characterized in that the synchronization
Acoustic marker component (2) is made of synchronous circuit, signal generating circuit, power amplification circuit, transmitting transducer, synchronous circuit and letter
Number generative circuit is connected, and signal generating circuit is connected with power amplification circuit, and power amplification circuit is connected with transmitting transducer.
5. underwater sailing body towrope as claimed in claim 4 discharges length-measuring appliance, which is characterized in that the transmitting
Energy converter uses piezoelectric ceramics as sensing element.
6. underwater sailing body towrope as described in claim 4 or 5 discharges length-measuring appliance, which is characterized in that described
Transmitting transducer shape is water-drop-shaped.
7. underwater sailing body towrope as described in claim 1 discharges length-measuring appliance, which is characterized in that the data
Processing component (1) realizes that input includes the serial number of synchronous second pulse signal and hydrophone component (3) using signal-processing board
Word stream, output are the release length sequences data of resolved towrope (4), send result to underwater boat using communication interface
Row body control system.
8. underwater sailing body towrope as described in claim 1 discharges length-measuring appliance, which is characterized in that the synchronization
Signal is synchronous second pulse signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822167390.8U CN209446768U (en) | 2018-12-24 | 2018-12-24 | A kind of underwater sailing body towrope release length-measuring appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822167390.8U CN209446768U (en) | 2018-12-24 | 2018-12-24 | A kind of underwater sailing body towrope release length-measuring appliance |
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| CN209446768U true CN209446768U (en) | 2019-09-27 |
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| CN201822167390.8U Active CN209446768U (en) | 2018-12-24 | 2018-12-24 | A kind of underwater sailing body towrope release length-measuring appliance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111521972A (en) * | 2020-04-14 | 2020-08-11 | 哈尔滨工程大学 | A wave glider-based ocean acoustic information acquisition system for fixed depth |
-
2018
- 2018-12-24 CN CN201822167390.8U patent/CN209446768U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111521972A (en) * | 2020-04-14 | 2020-08-11 | 哈尔滨工程大学 | A wave glider-based ocean acoustic information acquisition system for fixed depth |
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