CN212255681U - Ultra-short baseline positioning device for lifesaving - Google Patents
Ultra-short baseline positioning device for lifesaving Download PDFInfo
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- CN212255681U CN212255681U CN202020606084.4U CN202020606084U CN212255681U CN 212255681 U CN212255681 U CN 212255681U CN 202020606084 U CN202020606084 U CN 202020606084U CN 212255681 U CN212255681 U CN 212255681U
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Abstract
The utility model discloses an ultra-short baseline positioning device for lifesaving, which comprises an underwater positioning host and a monitoring host; the underwater positioning host is used for transmitting sound wave signals, the monitoring host is used for receiving the sound wave signals transmitted by the underwater positioning host, and the three-dimensional position of the underwater positioning host is calculated according to the received sound wave signals. The utility model discloses when using, lay simply, the location host computer power consumption is few under water moreover.
Description
Technical Field
The utility model relates to a positioner especially indicates an ultrashort baseline positioner for lifesaving.
Background
Diving is an entertainment sport that is increasingly attractive to modern people. Since the rise of leisure diving, diving is no longer a patent of professional divers, marine scientists and other deep sea workers, and ordinary people can enjoy the fun of flying shallow fish.
However, because the underwater environment is complex and the underwater illumination is not good, the diving still has certain risk; when the rescue is carried out underwater, the position of the diver is very important to be confirmed. At present, in underwater lifesaving, a common underwater positioning technology is mainly used for positioning by utilizing a multipoint signal source, the underwater positioning technology is specifically characterized in that signal sources are arranged at least three reference points, an underwater positioning host carried by a diver receives sound waves emitted by the signal sources, the underwater positioning host calculates according to the intensity of the received sound waves of the signal sources to obtain the self three-dimensional position of the underwater positioning host, and then the underwater positioning host sends the self three-dimensional position information to a monitoring host on the water surface, so that the monitoring host obtains the three-dimensional position of the positioning host, and the monitoring host obtains the three-dimensional position of the diver.
The existing underwater positioning technology has the following defects:
1. signal sources need to be arranged at least three reference points, and the arrangement is complicated;
2. if the underwater positioning host adopts a mode of sending self three-dimensional position information to the control host in real time, the underwater positioning host needs to calculate the self position in real time and implement sending of the position information, so that the underwater positioning host consumes large energy, has poor endurance capacity and is not suitable for long-time diving; if the underwater positioning host is controlled by the divers to send three-dimensional position information to the monitoring host, the potential safety hazard is high, and the divers can not send position information in time when danger occurs easily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ultrashort baseline positioner for lifesaving, it lays simply when using.
In order to achieve the above purpose, the solution of the present invention is:
an ultra-short baseline positioning device for lifesaving comprises an underwater positioning host and a monitoring host; the underwater positioning host comprises an underwater processor module, a power amplification module and a transmitting transducer; the underwater processor module is electrically connected with the transmitting transducer through a power amplification module; the monitoring host comprises a monitoring processor module and a hydrophone array; the hydrophone array comprises at least three vector hydrophones, and each vector hydrophone is electrically connected with the monitoring processor module through a signal conditioning circuit; the underwater processor module drives the transmitting transducer to transmit sound wave signals through the power amplification module; each vector hydrophone of the hydrophone array is used for receiving the sound wave signal transmitted by the transmitting transducer and generating a corresponding analog electric signal, and the analog electric signal generated by each vector hydrophone is amplified by the signal conditioning circuit and then output to the monitoring processor module; and the monitoring processor module calculates according to the analog electric signals generated by the vector hydrophones to obtain the three-dimensional position information of the underwater positioning host.
Each vector hydrophone of the hydrophone array is a piezoelectric hydrophone.
And all the vector hydrophones of the hydrophone array are positioned on the same plane.
The transmitting transducer is a spherical transducer.
The monitoring host further comprises a display module electrically connected with the monitoring processor module.
The display module is an LCD display screen.
The monitoring host further comprises a wireless communication module electrically connected with the monitoring processor module.
The wireless communication module is a Bluetooth communication module or a WIFI communication module.
The power amplifier module is a D-type power amplifier.
The monitoring host further comprises an alarm module electrically connected with the monitoring processor module.
After the scheme is adopted, the utility model discloses lay simply when using, wherein the positioning host computer carries by the diver under water, and monitoring host computer then mountable on the lifesaving ship, and monitoring host computer's hydrophone array stretches into the aquatic.
The utility model discloses a theory of operation does: the underwater processor module of the underwater positioning host drives the transmitting transducer to transmit sound wave signals through the power amplification module; each vector hydrophone of the hydrophone array of the monitoring host is used for receiving the sound wave signals transmitted by the transmitting transducer, and the sound wave signals received by each vector hydrophone are amplified by the signal conditioning circuit and then output to the monitoring processor module; the monitoring processor module can calculate according to the sound wave signals received by the vector hydrophones to obtain the three-dimensional position information of the underwater positioning host, so that the three-dimensional position information of the divers is obtained.
Drawings
FIG. 1 is a schematic block diagram of the hardware of the present invention;
fig. 2 is a schematic diagram of a circuit connection between a vector hydrophone and a signal conditioning circuit of the monitoring host of the present invention;
FIG. 3 is a schematic circuit diagram of an underwater processor module of the underwater positioning host of the present invention;
fig. 4 is the circuit connection schematic diagram of the power amplifier module and the transmitting transducer of the water tank positioning host of the present invention.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
As shown in fig. 1 to 4, the utility model discloses an ultra-short baseline positioning device for lifesaving, which comprises an underwater positioning host a and a monitoring host B; the underwater positioning host A comprises an underwater processor module A1, a power amplifier module A2 and a transmitting transducer A3, wherein the underwater processor module A1 is electrically connected with the transmitting transducer A3 through the power amplifier module A2, and the underwater positioning host A can be powered by a built-in battery; the monitoring host B comprises a monitoring processor module B1 and a hydrophone array B2, the hydrophone array B2 comprises at least three vector hydrophones B21, each vector hydrophone B21 is electrically connected with the monitoring processor B1 module through a signal conditioning circuit B3, and the monitoring host B can be powered by a built-in battery or an external power supply.
The utility model discloses when using, positioning host A carries by the diver under water, and monitoring host B then the mountable is on the lifesaving boat, and monitoring host B's hydrophone array B2 stretches into the aquatic. The underwater processor module A1 of the underwater positioning host A drives the transmitting transducer A3 to transmit sound wave signals through the power amplifier module A2; each vector hydrophone B21 of the hydrophone array B2 of the monitoring host B is used for receiving the sound wave signal transmitted by the transmitting transducer A3 and generating a corresponding analog electric signal, the analog electric signal generated by each vector hydrophone B21 comprises two-dimensional position information of each vector hydrophone B21 relative to the monitoring host B, and the analog electric signal generated by each vector hydrophone B21 is amplified by a signal conditioning circuit B3 and then output to a monitoring processor module B1; the monitoring processor module B1 can calculate according to the analog electric signals generated by each vector hydrophone B21 to obtain the three-dimensional position information of the underwater positioning host A, so as to obtain the three-dimensional position information of the divers. And current positioning host under water compares, because the utility model discloses a positioning host A only needs the transmission sound wave signal under water, makes the utility model discloses a positioning host A consumes energy fewly under water, and duration is strong.
As shown in fig. 3 and fig. 4, the power amplifier module a2 of the underwater positioning host a may be a class D power amplifier; the transmitting transducer A3 can be a spherical transducer, so that the acoustic wave signal transmitted by the transmitting transducer A3 is spherical wave and can be diffused in all directions; in addition, the underwater processor module A1 can adopt a singlechip.
As shown in fig. 2, the signal conditioning circuit B3 in the monitoring host B may be a three-stage amplifying circuit, so that the signal conditioning circuit B3 can perform three-stage amplification on the acoustic wave signal received by the vector hydrophone B21 and output the acoustic wave signal to the monitoring processor module B1; and the monitoring processor module B1 may adopt a single chip microcomputer with a built-in AD conversion module. The vector hydrophones B21 of the hydrophone array B2 are located on the same plane, and the vector hydrophone B21 may be a piezoelectric vector hydrophone.
Further, as shown in fig. 1, the monitoring host B further includes a display module B4 electrically connected to the monitoring processor module B1, where the display module B4 may be an LCD display screen; the monitoring processor module B1 displays the three-dimensional position information of the underwater positioning host A through the display module B4 so as to be conveniently viewed by the rescue personnel.
Further, as shown in fig. 1, the monitoring host B further includes a wireless communication module B5 electrically connected to the monitoring processor module B1, the wireless communication module B5 may be a bluetooth communication module or a WIFI communication module, and the monitoring processor module B1 may transmit the three-dimensional position information of the underwater positioning host a to a smart phone through the wireless communication module B5, so that the rescue personnel can check the three-dimensional position information.
Further, as shown in fig. 1, the monitoring host B further includes an alarm module B6 electrically connected to the monitoring processor B1 module, and the alarm module B6 may be a warning light or a buzzer, so that when the vector hydrophones B21 do not receive the sound wave signal transmitted by the transmitting transducer A3, the monitoring processor B1 alarms through the alarm module B6 to remind the rescuer.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (10)
1. An ultrashort baseline positioning device for lifesaving is characterized in that: the underwater positioning system comprises an underwater positioning host and a monitoring host;
the underwater positioning host comprises an underwater processor module, a power amplification module and a transmitting transducer; the underwater processor module is electrically connected with the transmitting transducer through a power amplification module;
the monitoring host comprises a monitoring processor module and a hydrophone array; the hydrophone array comprises at least three vector hydrophones, and each vector hydrophone is electrically connected with the monitoring processor module through a signal conditioning circuit;
the underwater processor module drives the transmitting transducer to transmit sound wave signals through the power amplification module; each vector hydrophone of the hydrophone array is used for receiving the sound wave signal transmitted by the transmitting transducer and generating a corresponding analog electric signal, and the analog electric signal generated by each vector hydrophone is amplified by the signal conditioning circuit and then output to the monitoring processor module; and the monitoring processor module calculates according to the analog electric signals generated by the vector hydrophones to obtain the three-dimensional position information of the underwater positioning host.
2. An ultra short baseline positioning device for lifesaving as claimed in claim 1, wherein: each vector hydrophone of the hydrophone array is a piezoelectric hydrophone.
3. An ultra short baseline positioning device for lifesaving as claimed in claim 1 or 2, wherein: and all the vector hydrophones of the hydrophone array are positioned on the same plane.
4. An ultra short baseline positioning device for lifesaving as claimed in claim 1, wherein: the transmitting transducer is a spherical transducer.
5. An ultra short baseline positioning device for lifesaving as claimed in claim 1, wherein: the monitoring host further comprises a display module electrically connected with the monitoring processor module.
6. An ultra short baseline positioning device for lifesaving as claimed in claim 5, wherein: the display module is an LCD display screen.
7. An ultra short baseline positioning device for lifesaving as claimed in claim 1, wherein: the monitoring host further comprises a wireless communication module electrically connected with the monitoring processor module.
8. An ultra short baseline positioning device for lifesaving as claimed in claim 7, wherein: the wireless communication module is a Bluetooth communication module or a WIFI communication module.
9. An ultra short baseline positioning device for lifesaving as claimed in claim 1, wherein: the power amplifier module is a D-type power amplifier.
10. An ultra short baseline positioning device for lifesaving as claimed in claim 1, wherein: the monitoring host further comprises an alarm module electrically connected with the monitoring processor module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020606084.4U CN212255681U (en) | 2020-04-21 | 2020-04-21 | Ultra-short baseline positioning device for lifesaving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020606084.4U CN212255681U (en) | 2020-04-21 | 2020-04-21 | Ultra-short baseline positioning device for lifesaving |
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| Publication Number | Publication Date |
|---|---|
| CN212255681U true CN212255681U (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020606084.4U Active CN212255681U (en) | 2020-04-21 | 2020-04-21 | Ultra-short baseline positioning device for lifesaving |
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| Country | Link |
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| CN (1) | CN212255681U (en) |
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2020
- 2020-04-21 CN CN202020606084.4U patent/CN212255681U/en active Active
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