CN107063429A - A kind of numeric type hydrophone - Google Patents
A kind of numeric type hydrophone Download PDFInfo
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- CN107063429A CN107063429A CN201710290539.9A CN201710290539A CN107063429A CN 107063429 A CN107063429 A CN 107063429A CN 201710290539 A CN201710290539 A CN 201710290539A CN 107063429 A CN107063429 A CN 107063429A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
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Abstract
The invention discloses a kind of numeric type hydrophone, including：Water listens sensor, front-end driven circuit, A/D converter circuit, microcontroller and the first RS485 interface driving circuits；The input of front-end driven circuit listens the output end of sensor to be connected with water, and the output end of front-end driven circuit is connected by the input of A/D converter circuit and microcontroller, and the first RS485 interface driving circuits connect with microcontroller；Front-end driven circuit is used to the analog signal that water listens sensor to detect being amplified；A/D converter circuit is used for the signal after front-end driven circuit is amplified and carries out analog-to-digital conversion；Microcontroller is used for the data signal after A/D converter circuit is changed and handled, and is sent by the first RS485 interface driving circuits to monitor supervision platform.Present invention reduces the decay and interference for the earthquake acoustical signal that sensor collection is listened water, improve the acquisition performance of hydrophone, and then cause monitor supervision platform to receive accurate earthquake acoustical signal.
Description
Technical field
The present invention relates to hydrophone technical field, more particularly to a kind of numeric type hydrophone.
Background technology
Hydrophone is also known as underwater microphone, is the transducer for underwater signal being converted to electric signal, is widely used in dragging
In cable system.It is most in current towing cable that the energy for receiving analog signal is improved using the series-parallel mode of multiple hydrophones, its
In, hydrophone listens sensor including water, and water listens sensor to be used to receiving earthquake acoustical signal, and by the simulation earthquake acoustical signal of reception
Transmitted after front end circuit is amplified by several meters even up to a hundred meters of towing cable to control platform, by control platform to receiving
To simulation earthquake acoustical signal carry out analog-to-digital conversion after be further processed.Understand, simulation earthquake acoustical signal need by it is long away from
It is transmitted from towing cable, so, long range towing cable can be caused to decay and disturbed to simulation earthquake acoustical signal, and the length of towing cable
Restricted by hydrophone lead distance, so that causing the acquisition performance of hydrophone reduces.
The content of the invention
In view of this, the present invention provides a kind of numeric type hydrophone, which reduces the earthquake sound for listening water sensor to gather
The decay and interference of signal, improve the acquisition performance of hydrophone, and then cause monitor supervision platform to receive accurate earthquake sound letter
Number.
The present invention is solved the above problems by following technological means：
A kind of numeric type hydrophone of the present invention, including：Water listens sensor, front-end driven circuit, A/D converter circuit, microcontroller
With the first RS485 interface driving circuits；The input of the front-end driven circuit listens the output end of sensor to be connected with the water,
The output end of the front-end driven circuit is connected by the A/D converter circuit with the input of the microcontroller, and described first
RS485 interface driving circuits connect with the microcontroller；The front-end driven circuit, for listening sensor to detect in the water
To analog signal be amplified；The A/D converter circuit, for the signal after front-end driven circuit amplification to be carried out into mould
Number conversion；The microcontroller, is handled for the data signal after the A/D converter circuit is changed, and passes through described the
One RS485 interface driving circuits are sent to monitor supervision platform.
Further, in addition to the 2nd RS485 interface driving circuits, the 2nd RS485 interface driving circuits with it is described micro-
Controller connects；The microcontroller, is additionally operable to after the data signal after A/D converter circuit conversion is handled, passes through
The 2nd RS485 interface driving circuits are sent to slave computer.
Further, in addition to attitude transducer, the attitude transducer is connected with the input of the microcontroller.
Further, the microcontroller includes model STM32L432KCU7 ARM controller U4.
Further, the water listens the model TL-30DS of sensor.
Further, the front-end driven circuit includes model ADA4522-2ARMZ two-path amplifier U1 and model
The 2nd pin for THS4551IDGKT difference amplifier U2, the U1 is connected with resistance R26 one end, and resistance R26's is another
End is connected with electric capacity C45 one end and resistance R25 one end respectively, the letter of the electric capacity C45 other end respectively with the TL-30DS
Number output end and resistance R28 one end connection, resistance R28 other end ground connection, the resistance R25 other end and the 1st of the U1
Pin is connected, and electric capacity C42 and electric capacity C43 be in parallel with resistance R25, the resistance R26 other end also with diode BAV99S the 6th
Pin is connected, and the 2nd pin of the diode BAV99S connects 5V power supplys, the 1st pin ground connection of the diode BAV99S；It is described
U1 the 3rd pin is connected with the 6th pin of the U1 and the 7th pin respectively, and the 5th pin of the U1 passes through resistance R31 and ginseng
Voltage source connection is examined, the 5th pin of the U1 is also grounded by resistance R33 and electric capacity C54 in parallel, the 1st pin of the U1
It is connected respectively with resistance R27 one end and electric capacity C48 one end, the resistance R27 other end is connected with the 8th pin of the U2,
The electric capacity C48 other end is connected with the 2nd pin of the U2, and is connected by resistance R32 with the 1st pin of the U2, and logical
Electric capacity C51 ground connection is crossed, the 7th pin of the U1 is also connected by resistance R32 with the 1st pin of the U2, resistance R24 and electric capacity
C44 is connected between the 8th pin of the U2 and the 5th pin of the U2, and resistance R34 and electric capacity C53 are connected to
Between the 1st pin of the U2 and the 4th pin of the U2, the 4th pin of the U2 is connected with resistance R30 one end, resistance
The input of R30 other end one end respectively with electric capacity C52, electric capacity C50 one end and the A/D converter circuit is connected, electric capacity
The C50 other end is connected with resistance R29 one end and the input of the A/D converter circuit respectively, and is grounded by electric capacity C49,
Electric capacity C52 other end ground connection.
Further, chip U3, the U3 of the A/D converter circuit including model ADS1263IPW the 23rd pin lead to
Cross resistance R30 to be connected with the 4th pin of the U2, the 24th pin of the U3 is connected by the resistance R29 and U1 the 5th pin
Connect, the 9th pin of the U3 is connected with the 25th pin of the U4, the 10th pin of the U3 connects with the 18th pin of the U4
Connect, the 11st pin of the U3 is connected with the 26th pin of the U4, the 12nd pin of the U3 and the 28th pin of the U4
Connection, the 13rd pin of the U3 is connected with the 27th pin of the U4, and the 14th pin of the U3 draws with the 22nd of the U4
Pin is connected, and the 20th pin of the U3 is connected with the 21st pin of the U4.
Further, the first RS485 interface driving circuits include model SN65HVD1474 chip U5, the U5
The 2nd pin be connected with the 30th pin of the U4, the 3rd pin of the U5 is connected with the 29th pin of the U4, the U5
The 5th pin, the 6th pin, the 7th pin and the 8th pin be connected by bus with the monitor supervision platform.
Further, the 2nd RS485 interface driving circuits include model SN65HVD1474 chip U6, the U6
The 2nd pin be connected with the 9th pin of the U4, the 3rd pin of the U6 is connected with the 8th pin of the U4, the U6's
5th pin, the 6th pin, the 7th pin and the 8th pin are connected by bus with the slave computer.
Further, the model MTi-3-8A7G6T of the attitude transducer, the signal output of the MTi-3-8A7G6T
End is connected with the input/output port of the U4.
A kind of numeric type hydrophone of the present invention has the advantages that：
Sensor, front-end driven circuit, A/D converter circuit, micro-control are listened the invention provides a kind of numeric type hydrophone, including water
Device processed and the first RS485 interface driving circuits, water listen sensor to send the simulation earthquake acoustical signal detected in real time to front end
Drive circuit, is exported to A/D converter circuit after amplifying through front end drive circuit, is believed the earthquake sound received by A/D converter circuit
Number carry out analog-to-digital conversion, be converted into sending after data signal to microcontroller, through the first RS485 interfaces after handling through microcontroller
Drive circuit is sent to monitor supervision platform by RS485 buses, is realized monitor supervision platform and is listened water the gathered data of sensor to carry out
Retaking of a year or grade, meanwhile, monitor supervision platform also to microcontroller can issue configuration information and control information etc. by RS485 buses, due to this
Invention is that water is listened into sensor, front-end driven circuit, A/D converter circuit, microcontroller and the first RS485 interface driving circuit collection
Numeric type hydrophone is constituted on Cheng Yi block circuit boards, so, water can be listened to the simulation of sensor collection by A/D converter circuit
Earthquake acoustical signal is converted to after digital seismics acoustical signal, then total by the RS485 of long range through the first RS485 interface driving circuits
Line is sent to monitor supervision platform, i.e., what is transmitted over long distances is digital seismics acoustical signal so that monitor supervision platform preferably believes earthquake sound
Number reduced and parsed, reduced the decay and interference for the earthquake acoustical signal for listening water sensor to gather, improve hydrophone
Acquisition performance, and then cause monitor supervision platform receive accurate earthquake acoustical signal.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is a kind of schematic block circuit diagram of numeric type hydrophone of the present invention；
Fig. 2 is a kind of circuit diagram of microcontroller of the present invention；
Fig. 3 is a kind of circuit diagram of front-end driven circuit of the present invention；
Fig. 4 is a kind of circuit diagram of A/D converter circuit of the present invention；
Fig. 5 is a kind of first RS485 interface driving circuits of the present invention and the circuit diagram of the 2nd RS485 interface driving circuits.
Embodiment
Below with reference to accompanying drawing, the present invention is described in detail, as shown in Figure 1：A kind of numeric type water of the present embodiment is listened
Device includes：Water listens sensor 101, front-end driven circuit 102, A/D converter circuit 103, the RS485 interfaces of microcontroller 104 and the first
Drive circuit 105.
The input of the front-end driven circuit 102 listens the output end of sensor 101 to be connected with the water, and the front end is driven
The output end of dynamic circuit 102 is connected by the A/D converter circuit 103 with the input of the microcontroller 104, and described first
RS485 interface driving circuits 105 connect with the microcontroller 104.
The front-end driven circuit 102, for the analog signal that the water listens sensor 101 to detect to be amplified.
The A/D converter circuit 103, for the front-end driven circuit 102 to be amplified after signal carry out analog-to-digital conversion.
The microcontroller 104, is handled, and lead to for the data signal after the A/D converter circuit 103 is changed
The first RS485 interface driving circuits 105 are crossed to send to monitor supervision platform 106.
As the further improvement of above-mentioned technical proposal, the numeric type hydrophone also includes the 2nd RS485 interface drivers
Circuit 107, the 2nd RS485 interface driving circuits 107 connect with the microcontroller 104.
The microcontroller 104, is additionally operable to after the data signal after the A/D converter circuit 103 is changed handled,
Sent by the 2nd RS485 interface driving circuits 107 to slave computer 108.
As the further improvement of above-mentioned technical proposal, the numeric type hydrophone also includes attitude transducer 109, described
Attitude transducer 109 is connected with the input of the microcontroller 104.
Wherein, attitude transducer 109 is used for the attitude information for detecting hydrophone in real time, and by the appearance of the hydrophone detected
State information is sent to microcontroller 104, and the attitude information of the hydrophone received is passed through the first RS485 by microcontroller 104 again
Interface driving circuit 105 is sent to monitor supervision platform 106 so that monitor supervision platform 106 is according to the attitude information of the hydrophone received
Analyze towing cable and pull posture, and dragging posture is issued to microcontroller 104 by the first RS485 interface driving circuits 105 and order
Order, realizes the adjustment to towing cable posture；In addition, microcontroller 104 can also be sent by the 2nd RS485 interface driving circuits 107
To slave computer 108.
In the present embodiment, as shown in Fig. 2 the ARM that the microcontroller 104 includes model STM32L432KCU7 is controlled
Device U4.
Wherein, ARM controller U4 carries temperature sensor, and the temperature change inside hydrophone can be detected in real time.
In the present embodiment, the water listens the model TL-30DS of sensor 101.
In the present embodiment, as shown in figure 3, the front-end driven circuit 102 includes model ADA4522-2ARMZ bilateral
Road amplifier U1 and model THS4551IDGKT difference amplifier U2, the U1 the 2nd pin connect with resistance R26 one end
Connect, the resistance R26 other end is connected with electric capacity C45 one end and resistance R25 one end respectively, electric capacity C45 other end difference
It is connected with the signal output part of the TL-30DS and resistance R28 one end, resistance R28 other end ground connection, resistance R25's is another
One end is connected with the 1st pin of the U1, and electric capacity C42 and electric capacity C43 are in parallel with resistance R25, the resistance R26 other end also with
Diode BAV99S the 6th pin connection, the 2nd pin of the diode BAV99S connects 5V power supplys, the diode BAV99S
The 1st pin ground connection；The 3rd pin of the U1 is connected with the 6th pin of the U1 and the 7th pin respectively, and the 5th of the U1 draws
Pin is connected by resistance R31 with reference voltage source, and the 5th pin of the U1 is also connect by resistance R33 and electric capacity C54 in parallel
Ground, the 1st pin of the U1 is connected with resistance R27 one end and electric capacity C48 one end respectively, the resistance R27 other end and institute
U2 the 8th pin connection is stated, the electric capacity C48 other end is connected with the 2nd pin of the U2, and passes through resistance R32 and the U2
The connection of the 1st pin, and be grounded by electric capacity C51, the 7th pin of the U1 also passes through the resistance R32 and U2 the 1st pin
Connection, resistance R24 and electric capacity C44 be connected between the 8th pin of the U2 and the 5th pin of the U2, resistance R34 and
Electric capacity C53 is connected between the 1st pin of the U2 and the 4th pin of the U2, the 4th pin and resistance of the U2
R30 one end connection, one end, electric capacity C50 one end and the AD conversion electricity of the resistance R30 other end respectively with electric capacity C52
The input connection on road 103, electric capacity C50 other end one end respectively with resistance R29 and the input of the A/D converter circuit 103
End connection, and be grounded by electric capacity C49, electric capacity C52 other end ground connection.
Specifically, water listens sensor TL-30DS to be inputted earthquake acoustical signal is simulated to two-path amplifier ADA4522-
The 2ARMZ pin of inverting input the 2nd, is inputted to difference amplifier after amplifying through two-path amplifier ADA4522-2ARMZ
THS4551IDGKT, then inputted after difference amplifier THS4551IDGKT further amplification to A/D converter circuit 103.
In the present embodiment, as shown in figure 4, the A/D converter circuit 103 includes model ADS1263IPW chip U3, institute
The 23rd pin for stating U3 is connected by resistance R30 with the 4th pin of the U2, the 24th pin of the U3 by resistance R29 with
The 5th pin connection of the U1, the 9th pin of the U3 is connected with the 25th pin of the U4, the 10th pin of the U3 and
The 18th pin connection of the U4, the 11st pin of the U3 is connected with the 26th pin of the U4, the 12nd pin of the U3
It is connected with the 28th pin of the U4, the 13rd pin of the U3 is connected with the 27th pin of the U4, the 14th of the U3 draws
Pin is connected with the 22nd pin of the U4, and the 20th pin of the U3 is connected with the 21st pin of the U4.
In the present embodiment, as shown in figure 5, the first RS485 interface driving circuits 105 include model
SN65HVD1474 chip U5, the U5 the 2nd pin are connected with the 30th pin of the U4, the 3rd pin of the U5 and institute
U4 the 29th pin connection is stated, the 5th pin, the 6th pin, the 7th pin and the 8th pin of the U5 pass through bus and the prison
Control platform 106 is connected.
In the present embodiment, as shown in figure 5, the 2nd RS485 interface driving circuits 107 include model
SN65HVD1474 chip U6, the U6 the 2nd pin are connected with the 9th pin of the U4, the 3rd pin of the U6 and institute
State U4 the 8th pin connection, the 5th pin, the 6th pin, the 7th pin and the 8th pin of the U6 by bus with it is described under
Position machine 108 is connected.
In the present embodiment, the model MTi-3-8A7G6T of the attitude transducer 109, the letter of the MTi-3-8A7G6T
Number output end is connected with the input/output port of the U4.
Sensor 101, front-end driven circuit 102, AD conversion are listened the invention provides a kind of numeric type hydrophone, including water
Circuit 103, the RS485 interface driving circuits 105 of microcontroller 104 and the first, water listen sensor 101 by the simulation detected in real time
Earthquake acoustical signal is sent to front-end driven circuit 102, is exported after amplifying through front end drive circuit 102 to A/D converter circuit 103, by
The earthquake acoustical signal received is carried out analog-to-digital conversion by A/D converter circuit 103, is converted into sending after data signal to microcontroller
104, sent after being handled through microcontroller 104 through the first RS485 interface driving circuits 105 by RS485 buses to monitor supervision platform
106, realize monitor supervision platform 106 and listen water the gathered data of sensor 101 to carry out retaking of a year or grade, meanwhile, monitor supervision platform 106 can also lead to
Cross RS485 buses and issue configuration information and control information etc. to microcontroller 104, due to the present invention be by water listen sensor 101,
Front-end driven circuit 102, A/D converter circuit 103, the RS485 interface driving circuits 105 of microcontroller 104 and the first are integrated in one piece
Numeric type hydrophone is constituted on circuit board, so, can by A/D converter circuit 103 by water with listening simulation that sensor 101 gathers
Barisal guns signal is converted to after digital seismics acoustical signal, then the RS485 for passing through long range through the first RS485 interface driving circuits 105
Bus is sent to monitor supervision platform 106, i.e., what is transmitted over long distances is digital seismics acoustical signal so that monitor supervision platform 106 preferably will
Earthquake acoustical signal is reduced and parsed, and is reduced the decay and interference of the earthquake acoustical signal for listening water sensor 101 to gather, is carried
The high acquisition performance of hydrophone, and then cause monitor supervision platform 106 to receive accurate earthquake acoustical signal.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to skill of the invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this
Among the right of invention.
Claims (10)
1. a kind of numeric type hydrophone, it is characterised in that：Including：Water listens sensor, front-end driven circuit, A/D converter circuit, micro-
Controller and the first RS485 interface driving circuits；
The input of the front-end driven circuit listens the output end of sensor to be connected with the water, the front-end driven circuit it is defeated
Go out end be connected by the A/D converter circuit with the input of the microcontroller, the first RS485 interface driving circuits and
The microcontroller connects；
The front-end driven circuit, for the analog signal that the water listens sensor to detect to be amplified；
The A/D converter circuit, for the signal after front-end driven circuit amplification to be carried out into analog-to-digital conversion；
The microcontroller, is handled, and pass through described first for the data signal after the A/D converter circuit is changed
RS485 interface driving circuits are sent to monitor supervision platform.
2. a kind of numeric type hydrophone according to claim 1, it is characterised in that：Also include the 2nd RS485 interface drivers
Circuit, the 2nd RS485 interface driving circuits connect with the microcontroller；
The microcontroller, is additionally operable to after the data signal after the A/D converter circuit is changed handled, passes through described the
Two RS485 interface driving circuits are sent to slave computer.
3. a kind of numeric type hydrophone according to claim 2, it is characterised in that：Also include attitude transducer, the appearance
State sensor is connected with the input of the microcontroller.
4. a kind of numeric type hydrophone according to claim 1, it is characterised in that：The microcontroller includes model
STM32F207VCT6 ARM controller U4.
5. a kind of numeric type hydrophone according to claim 4, it is characterised in that：The water listens the model of sensor
TL-30DS。
6. a kind of numeric type hydrophone according to claim 5, it is characterised in that：The front-end driven circuit includes model
For ADA4522-2ARMZ two-path amplifier U1 and model THS4551IDGKT difference amplifier U2, the 2nd of the U1 the
Pin is connected with resistance R26 one end, and the resistance R26 other end connects with electric capacity C45 one end and resistance R25 one end respectively
Connect, the electric capacity C45 other end is connected with the signal output part of the TL-30DS and resistance R28 one end respectively, resistance R28's
The other end is grounded, and the resistance R25 other end is connected with the 1st pin of the U1, electric capacity C42 and electric capacity C43 with resistance R25 simultaneously
Connection, the resistance R26 other end is also connected with diode BAV99S the 6th pin, and the 2nd pin of the diode BAV99S meets 5V
Power supply, the 1st pin ground connection of the diode BAV99S；The 3rd pin of the U1 respectively with the 6th pin of the U1 and the 7th
Pin is connected, and the 5th pin of the U1 is connected by resistance R31 with reference voltage source, and the 5th pin of the U1 also passes through parallel connection
Resistance R33 and electric capacity C54 ground connection, the 1st pin of the U1 is connected with resistance R27 one end and electric capacity C48 one end respectively,
The resistance R27 other end is connected with the 8th pin of the U2, and the electric capacity C48 other end is connected with the 2nd pin of the U2, and
It is connected, and is grounded by electric capacity C51 with the 1st pin of the U2 by resistance R32, the 7th pin of the U1 also passes through resistance
R32 is connected with the 1st pin of the U2, and resistance R24 and electric capacity C44 are connected to the 8th pin and the U2 of the U2
Between 5th pin, resistance R34 and electric capacity C53 are connected between the 1st pin of the U2 and the 4th pin of the U2, institute
The 4th pin for stating U2 is connected with resistance R30 one end, resistance R30 other end one end respectively with electric capacity C52, electric capacity C50
The input connection of one end and the A/D converter circuit, the electric capacity C50 other end turns with resistance R29 one end and the AD respectively
The input connection of circuit is changed, and is grounded by electric capacity C49, electric capacity C52 other end ground connection.
7. a kind of numeric type hydrophone according to claim 6, it is characterised in that：The A/D converter circuit includes model
ADS1263IPW chip U3, the U3 the 23rd pin are connected by resistance R30 with the 4th pin of the U2, the U3's
24th pin is connected by resistance R29 with the 5th pin of the U1, and the 9th pin of the U3 connects with the 25th pin of the U4
Connect, the 10th pin of the U3 is connected with the 18th pin of the U4, the 11st pin of the U3 and the 26th pin of the U4
Connection, the 12nd pin of the U3 is connected with the 28th pin of the U4, and the 13rd pin of the U3 draws with the 27th of the U4
Pin is connected, and the 14th pin of the U3 is connected with the 22nd pin of the U4, the 20th pin of the U3 and the 21st of the U4 the
Pin is connected.
8. a kind of numeric type hydrophone according to claim 7, it is characterised in that：The first RS485 interface drivers electricity
The 2nd pin that road includes model SN65HVD1474 chip U5, the U5 is connected with the 30th pin of the U4, the U5
The 3rd pin be connected with the 29th pin of the U4, the 5th pin, the 6th pin, the 7th pin and the 8th pin of the U5 lead to
Bus is crossed to be connected with the monitor supervision platform.
9. a kind of numeric type hydrophone according to claim 7, it is characterised in that：The 2nd RS485 interface drivers electricity
The 2nd pin that road includes model SN65HVD1474 chip U6, the U6 is connected with the 9th pin of the U4, the U6's
3rd pin is connected with the 8th pin of the U4, and the 5th pin, the 6th pin, the 7th pin and the 8th pin of the U6 is by total
Line is connected with the slave computer.
10. a kind of numeric type hydrophone according to claim 4, it is characterised in that：The model of the attitude transducer
MTi-3-8A7G6T, the signal output part of the MTi-3-8A7G6T is connected with the input/output port of the U4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710290539.9A CN107063429A (en) | 2017-04-28 | 2017-04-28 | A kind of numeric type hydrophone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710290539.9A CN107063429A (en) | 2017-04-28 | 2017-04-28 | A kind of numeric type hydrophone |
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| CN107063429A true CN107063429A (en) | 2017-08-18 |
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| CN201710290539.9A Pending CN107063429A (en) | 2017-04-28 | 2017-04-28 | A kind of numeric type hydrophone |
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| CN109459125A (en) * | 2018-12-26 | 2019-03-12 | 北京溯云科技有限公司 | A kind of digitlization scalar hydrophone |
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Application publication date: 20170818 |
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