CN205404806U - Height finding sonar equipment - Google Patents
Height finding sonar equipment Download PDFInfo
- Publication number
- CN205404806U CN205404806U CN201620206261.3U CN201620206261U CN205404806U CN 205404806 U CN205404806 U CN 205404806U CN 201620206261 U CN201620206261 U CN 201620206261U CN 205404806 U CN205404806 U CN 205404806U
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- China
- Prior art keywords
- circuit
- signal
- fpga
- echo
- sonar
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- Withdrawn - After Issue
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Abstract
The utility model relates to a height finding sonar equipment, including the sonar transducer for send out injection die and plan the signal, receive echo signal simultaneously, the signal that comes from the FPGA treatment circuit is received to the signal source transmitting circuit, sends for the sonar transducer, echo signal receiving circuit receives echo signal, exports the FPGA treatment circuit to, the FPGA treatment circuit for the signal source provides the data sample point, sends the data signal simulationization to sonar transducer, the control sonar transducer is changed echo signal, utilize FPGA to realize the cross -correlation algorithm to convert the result to elevation information, build serial communication module and overall state machine, communication circuit for communication between FPGA treatment circuit and the computer, power supply circuit alternaties into the required voltage of each module with height finding sonar equipment's power supply. The utility model discloses an advantage embodies: small, light in weight are suitable for and use in the robot under water, be applicable to the echometric measurement to multiple seabed substrate, measurement accuracy is high.
Description
Technical field
This utility model relates to sonar technique field, is specifically related to the high sonar equipment of a kind of survey.
Background technology
The high sonar of existing survey uses CW signal pulse and fixed threshold to differentiate echo-signal due to majority, thus, often cannot carry out the seabed distance of different substrates measuring accurately, measurement error big.Additionally, volume is big, Heavy Weight, it is less compliant on underwater robot and uses.
Utility model content
The purpose of this utility model is for deficiency of the prior art, it is provided that a kind of survey high sonar equipment, with solve prior art is measured inaccurate, error is big and volume big, the shortcoming of Heavy Weight.
For achieving the above object, the utility model discloses following technical scheme:
The high sonar equipment of a kind of survey, including
Sonar transducer, for the analogue signal of transmiting signal source radiating circuit input, receives echo-signal simultaneously and exports to echo signal reception circuit；
Signal source radiating circuit, receives the signal processing circuit from FPGA, after simulated for digital signal, is sent to sonar transducer；
Echo signal reception circuit, receives the echo-signal from sonar transducer, and to FPGA, the echo-signal output received is processed circuit；
FPGA processes circuit, provides data sample point for signal source, is stored in FPGA after quantifying by the MATLAB LFM signal made, and is sent to sonar transducer by FPGA control sequential by simulated for digital signal；Meanwhile, control sonar transducer and echo-signal is changed, digital signal is cached in FIFO, in order to follow-up process；Utilize FPGA to realize cross correlation algorithm, and convert result to elevation information；Build serial communication modular, after elevation information is carried out data encoding, be sent to terminal；Build overall status machine, it is ensured that the work-based logic sequential of functions is correct；
Telecommunication circuit, processes the communication between circuit and computer for FPGA；
Power circuit, is transformed into the voltage required for modules by the power supply surveying high sonar equipment.
Further, described signal source radiating circuit includes D/A change-over circuit and amplification driving circuit, receives the digital signal processing circuit from FPGA, and by digital signal after D/A change-over circuit is simulated, amplified drive circuit exports to sonar transducer after processing.
Further, described echo signal reception circuit includes A/D change-over circuit and filter amplification circuit, receives the echo-signal from sonar transducer, after the filtered amplification of echo-signal of reception, processes circuit through the output of A/D change-over circuit to FPGA.
This utility model high sonar equipment of disclosed a kind of survey, has the advantages that
1. volume is little, lightweight, is suitable to use in robot under water；
2. it is applicable to the echometric measurement to multiple sediment, certainty of measurement high (≤2cm).
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
Detailed description of the invention
Also with reference to accompanying drawing, this utility model is further described below in conjunction with embodiment.
Refer to Fig. 1.The high sonar equipment of a kind of survey, including
Sonar transducer, for the analogue signal of transmiting signal source radiating circuit input, receives echo-signal simultaneously and exports to echo signal reception circuit；
Signal source radiating circuit, receives the signal processing circuit from FPGA, after simulated for digital signal, is sent to sonar transducer；
Echo signal reception circuit, receives the echo-signal from sonar transducer, and to FPGA, the echo-signal output received is processed circuit；
FPGA processes circuit, provides data sample point for signal source, is stored in FPGA after quantifying by the MATLAB LFM signal made, and is sent to sonar transducer by FPGA control sequential by simulated for digital signal；Meanwhile, control sonar transducer and echo-signal is changed, digital signal is cached in FIFO, in order to follow-up process；Utilize FPGA to realize cross correlation algorithm, and convert result to elevation information；Build serial communication modular, after elevation information is carried out data encoding, be sent to terminal；Build overall status machine, it is ensured that the work-based logic sequential of functions is correct, make that system is ruly to be carried out；
Telecommunication circuit, processes the communication between circuit and computer for FPGA；
Power circuit, is transformed into the voltage required for modules by the power supply surveying high sonar equipment.
In the present embodiment, described signal source radiating circuit includes D/A change-over circuit and amplification driving circuit, receives the digital signal processing circuit from FPGA, and by digital signal after D/A change-over circuit is simulated, amplified drive circuit exports to sonar transducer after processing.
In the present embodiment, described echo signal reception circuit includes A/D change-over circuit and filter amplification circuit, receives the echo-signal from sonar transducer, after the filtered amplification of echo-signal of reception, processes circuit through the output of A/D change-over circuit to FPGA.
This utility model volume is little, lightweight, is suitable to use in robot under water；Being applicable to the echometric measurement to multiple sediment, certainty of measurement is high.
The above is only preferred implementation of the present utility model, is not intended to limit；Should be understood that, although this utility model being described in detail with reference to the various embodiments described above, it will be understood by those within the art that, the technical scheme described in the various embodiments described above still can be modified by it, or wherein some or all of technical characteristic carries out equivalent replacement；And these amendments and replacement, do not make the essence of corresponding technical scheme depart from the scope of each embodiment technical scheme of this utility model.
Claims (3)
1. survey high sonar equipment for one kind, it is characterised in that include
Sonar transducer, for the analogue signal of transmiting signal source radiating circuit input, receives echo-signal simultaneously and exports to echo signal reception circuit；
Signal source radiating circuit, receives the signal processing circuit from FPGA, after simulated for digital signal, is sent to sonar transducer；
Echo signal reception circuit, receives the echo-signal from sonar transducer, and to FPGA, the echo-signal output received is processed circuit；
FPGA processes circuit, provides data sample point for signal source, is stored in FPGA after quantifying by the MATLAB LFM signal made, and is sent to sonar transducer by FPGA control sequential by simulated for digital signal；Meanwhile, control sonar transducer and echo-signal is changed, digital signal is cached in FIFO, in order to follow-up process；Utilize FPGA to realize cross correlation algorithm, and convert result to elevation information；Build serial communication modular, after elevation information is carried out data encoding, be sent to terminal；Build overall status machine, it is ensured that the work-based logic sequential of functions is correct；
Telecommunication circuit, processes the communication between circuit and computer for FPGA；
Power circuit, is transformed into the voltage required for modules by the power supply surveying high sonar equipment.
2. the high sonar equipment of a kind of survey according to claim 1, it is characterized in that, described signal source radiating circuit includes D/A change-over circuit and amplification driving circuit, receive the digital signal processing circuit from FPGA, by digital signal after D/A change-over circuit is simulated, amplified drive circuit exports to sonar transducer after processing.
3. the high sonar equipment of a kind of survey according to claim 1, it is characterized in that, described echo signal reception circuit includes A/D change-over circuit and filter amplification circuit, receive the echo-signal from sonar transducer, after the filtered amplification of echo-signal of reception, process circuit through the output of A/D change-over circuit to FPGA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620206261.3U CN205404806U (en) | 2016-03-17 | 2016-03-17 | Height finding sonar equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620206261.3U CN205404806U (en) | 2016-03-17 | 2016-03-17 | Height finding sonar equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205404806U true CN205404806U (en) | 2016-07-27 |
Family
ID=56422514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620206261.3U Withdrawn - After Issue CN205404806U (en) | 2016-03-17 | 2016-03-17 | Height finding sonar equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205404806U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105629245A (en) * | 2016-03-17 | 2016-06-01 | 天津海之星海洋科技发展有限公司 | Height measurement sonar device |
-
2016
- 2016-03-17 CN CN201620206261.3U patent/CN205404806U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105629245A (en) * | 2016-03-17 | 2016-06-01 | 天津海之星海洋科技发展有限公司 | Height measurement sonar device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171018 Address after: 300450 No. 107 building, No. 4 building, Tianjin TEDA small and medium sized enterprise park, Binhai New Area, Tianjin Patentee after: Tianjin sea star underwater robot Co., Ltd. Address before: 300457, Tianjin Binhai New Area Economic and Technological Development Zone, Tianjin TEDA SME Park Building 1, block C1, 603 Patentee before: TIANJIN OSTAR OCEAN SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160727 Effective date of abandoning: 20171215 |
|
| AV01 | Patent right actively abandoned |