CN106124041A - A kind of hydrophone of band amplifying circuit - Google Patents
A kind of hydrophone of band amplifying circuit Download PDFInfo
- Publication number
- CN106124041A CN106124041A CN201610608999.7A CN201610608999A CN106124041A CN 106124041 A CN106124041 A CN 106124041A CN 201610608999 A CN201610608999 A CN 201610608999A CN 106124041 A CN106124041 A CN 106124041A
- Authority
- CN
- China
- Prior art keywords
- hydrophone
- signal
- electric charge
- amplifying circuit
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000919 ceramic Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 7
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
- G01H11/08—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
Abstract
The present invention relates to the hydrophone of a kind of band amplifying circuit, electrically connect with control equipment waterborne；Including piezoelectric transducer, it is connected by wire between the signal output part of described piezoelectric transducer and the signal input part of described control equipment waterborne and has at least one electric charge change-over circuit that charge signal is converted to voltage signal.Hydrophone of the present invention, can be converted to voltage signal by the charge signal that piezoelectric transducer produces, it is possible to realize the long-distance transmissions of the signal of telecommunication that piezoelectric transducer produces, and the signal of telecommunication produced is not readily susceptible to noise jamming on line, low cost.
Description
Technical field
The present invention relates to undersea detection, identify, communicate and marine environmental monitoring and marine resources development technical field, specifically
Relate to the hydrophone of a kind of band amplifying circuit.
Background technology
In common hydrophone, it is all to use piezoelectric transducer.That is the model of piezoelectric transducer is by electricity
Lotus signal is transmitted.Traditional piezoelectric hydrophone is directly to use electric charge transmission, owing to piezoelectric ceramics internal driving is non-
Chang great, the signal of telecommunication therefore produced cannot be carried out long-distance transmissions.And the signal of piezoelectric transducer generation is more weak, is easily subject to
Noise jamming on line, therefore, in order to reduce noise, improve signal to noise ratio, it is often necessary to use expensive mininoise cable.
Summary of the invention
The technical problem to be solved is for the deficiencies in the prior art, it is provided that the water of a kind of band amplifying circuit is listened
Device.
The technical scheme is that the hydrophone of a kind of band amplifying circuit, with control waterborne
Control equipment electrically connects；Letter including piezoelectric transducer, the signal output part of described piezoelectric transducer and described control equipment waterborne
Being connected by wire between number input has at least one that charge signal is converted to the electric charge change-over circuit of voltage signal.
The invention has the beneficial effects as follows: hydrophone of the present invention, the charge signal that piezoelectric transducer produces can be converted to electricity
Pressure signal, it is possible to realize the long-distance transmissions of the signal of telecommunication that piezoelectric transducer produces, and the signal of telecommunication produced is not readily susceptible to line
Upper noise jamming, low cost.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described electric charge change-over circuit is built in described piezoelectric transducer.
Further, described electric charge change-over circuit is integrating amplification circuit.
Further, described integrating amplification circuit includes amplifier, resistance and electric capacity.Described resistance and electric capacity are all put with described
Big device is arranged in parallel.
Further, described piezoelectric transducer includes sensor body and is uniformly arranged on outside described sensor body along ring week
Multiple piezoelectric ceramic transducers being arranged in parallel on wall, the signal output part of described piezoelectric ceramic transducer turns with described electric charge
Changing the signal input part electrical connection of circuit, the signal output part of described electric charge change-over circuit is electrically connected with described control equipment waterborne
Connect.
Further, described sensor body is cylinder, and its two ends are covered with sealing lid, and described electric charge change-over circuit is arranged
In the described inner side sealing lid.
Further, the number of described piezoelectric ceramic transducer is 4.
Accompanying drawing explanation
Fig. 1 is the structural representation of the piezoelectric transducer of the embodiment of the present invention；
Fig. 2 is the structural representation of the amplifying circuit of the embodiment of the present invention；
Fig. 3 is the connection circuit diagram of the piezoelectric ceramic transducer of the embodiment of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows:
1, piezoelectric transducer；11, sensor body；12, piezoelectric ceramic transducer；2, lid is sealed.
Detailed description of the invention
Being described principle and the feature of the present invention below in conjunction with accompanying drawing, example is served only for explaining the present invention, and
Non-for limiting the scope of the present invention.
As shown in Figure 1-Figure 3, the hydrophone of a kind of band amplifying circuit of the present embodiment, electrically connect with control equipment waterborne；
Including piezoelectric transducer 1, between signal output part and the signal input part of described control equipment waterborne of described piezoelectric transducer 1
Being connected by wire has at least one that charge signal is converted to the electric charge change-over circuit of voltage signal.
The hydrophone of the present embodiment, can be converted to voltage signal by the charge signal that piezoelectric transducer produces, it is possible to realize
The long-distance transmissions of the signal of telecommunication that piezoelectric transducer produces, and the signal of telecommunication produced is not readily susceptible to noise jamming on line, cost
Low.
As it is shown in figure 1, the described electric charge change-over circuit of the present embodiment is built in described piezoelectric transducer 1.The present embodiment
Described electric charge change-over circuit be integrating amplification circuit.
As in figure 2 it is shown, the described integrating amplification circuit of the present embodiment includes amplifier, resistance and electric capacity.Described resistance and
Electric capacity is all arranged with described amplifier in parallel.
As it is shown in figure 1, the described piezoelectric transducer 1 of the present embodiment includes sensor body 11 and is uniformly arranged on along ring week
Multiple piezoelectric ceramic transducers 12 being arranged in parallel on described sensor body 11 outer wall, described piezoelectric ceramic transducer 12
Signal output part electrically connects with the signal input part of described electric charge change-over circuit, the signal output part of described electric charge change-over circuit with
Described control equipment waterborne electrically connects；Piezoelectric ceramic transducer 12 is experienced underwater signal by contacting with water to carry out signal defeated
Enter.
As it is shown in figure 1, the described sensor body 11 of the present embodiment is in cylinder, its two ends are covered with sealing lid 2, each
The described inner side sealing lid 2 is equipped with an electric charge change-over circuit.The number of described piezoelectric ceramic transducer 12 is 4.
The hydrophone of the present embodiment, work when, is placed on sealing complete hydrophone in water, and hydrophone passes through
Cable is connected with the control equipment on ship, and the underwater signal received is converted to charge signal by piezoelectric transducer, then warp
The signal output part of piezoelectric transducer is by the signal input part of charge signal transmission to electric charge change-over circuit, and electric charge change-over circuit will
Described charge signal is converted to voltage signal, and through voltage signal transmission to control equipment waterborne.The hydrophone energy of the present embodiment
Enough realize the long-distance transmissions of the signal of telecommunication that piezoelectric transducer produces, and the signal of telecommunication produced is not readily susceptible to noise on line and does
Disturb, low cost.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (7)
1. a hydrophone for band amplifying circuit, electrically connects with control equipment waterborne；It is characterized in that, including piezoelectric transducer
(1), between signal output part and the signal input part of described control equipment waterborne of described piezoelectric transducer (1) by wire even
It is connected at least one electric charge change-over circuit that charge signal is converted to voltage signal.
The hydrophone of a kind of band amplifying circuit, it is characterised in that described electric charge change-over circuit is built-in
In described piezoelectric transducer (1).
The hydrophone of a kind of band amplifying circuit the most according to claim 1 or claim 2, it is characterised in that described electric charge change-over circuit
For integrating amplification circuit.
The hydrophone of a kind of band amplifying circuit, it is characterised in that described integrating amplification circuit includes
Amplifier, resistance and electric capacity, described resistance and electric capacity are all arranged with described amplifier in parallel.
5. according to the hydrophone of a kind of band amplifying circuit described in claim 1-2,4 any one, it is characterised in that described piezoelectricity passes
Sensor (1) includes sensor body (11) and along the multiple parallel connections being uniformly arranged in ring week on described sensor body (11) outer wall
The piezoelectric ceramic transducer (12) arranged, the signal output part of described piezoelectric ceramic transducer (12) and described electric charge change-over circuit
Signal input part electrical connection, the signal output part of described electric charge change-over circuit electrically connects with described control equipment waterborne.
A kind of hydrophone of band amplifying circuit, it is characterised in that described sensor body (11) in
Cylinder, its two ends are covered with sealing lid (2), and described electric charge change-over circuit is arranged on the described inner side sealing lid (2).
The hydrophone of a kind of band amplifying circuit, it is characterised in that described piezoelectric ceramic transducer
(12) number is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610608999.7A CN106124041A (en) | 2016-07-28 | 2016-07-28 | A kind of hydrophone of band amplifying circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610608999.7A CN106124041A (en) | 2016-07-28 | 2016-07-28 | A kind of hydrophone of band amplifying circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106124041A true CN106124041A (en) | 2016-11-16 |
Family
ID=57254157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610608999.7A Pending CN106124041A (en) | 2016-07-28 | 2016-07-28 | A kind of hydrophone of band amplifying circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106124041A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855721A (en) * | 2019-02-01 | 2019-06-07 | 中北大学 | Condenser type pressure hydrophone based on MEMS technology and preparation method thereof |
| CN110794486A (en) * | 2018-08-02 | 2020-02-14 | 北京交通大学 | Rainfall sensor |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2066575U (en) * | 1990-04-28 | 1990-11-28 | 北京大学 | Flexible high sensitive hydrophone |
| US5675556A (en) * | 1995-10-19 | 1997-10-07 | Syntron, Inc. | Hydrophone structure and method |
| CN200983671Y (en) * | 2006-12-14 | 2007-11-28 | 中船重工海声科技有限公司 | 2D co-shaking voltage porcelain vector water hearer |
| CN101118428A (en) * | 2007-09-05 | 2008-02-06 | 重庆大学 | Intelligent sensor |
| CN101261282A (en) * | 2008-04-10 | 2008-09-10 | 江苏联能电子技术有限公司 | Intelligent piezoelectric type acceleration sensor |
| CN103954794A (en) * | 2014-05-13 | 2014-07-30 | 安徽理工大学 | Charge amplification and acquisition system of low-frequency piezoelectricity acceleration sensor |
| CN104270108A (en) * | 2014-10-15 | 2015-01-07 | 威海北洋光电信息技术股份公司 | Charge amplifier |
| CN104931162A (en) * | 2015-06-30 | 2015-09-23 | 安徽智敏电气技术有限公司 | Piezoelectric sensor |
| CN204836096U (en) * | 2015-07-08 | 2015-12-02 | 上海大学 | Piezoelectric acceleration sensor's charge amplifier |
| CN105323685A (en) * | 2015-06-09 | 2016-02-10 | 中国科学院声学研究所 | Full-depth low-frequency broadband highly-sensitive piezoelectric hydrophone |
| CN205319192U (en) * | 2015-12-31 | 2016-06-15 | 中国船舶重工集团公司七五○试验场 | Piezoceramics component with shielding layer |
| CN105759308A (en) * | 2014-12-17 | 2016-07-13 | 北京大学深圳研究生院 | Great earthquake impending earthquake sound monitoring probe unit structure based on piezoelectric cable sensor and circuit module structure |
| CN205826127U (en) * | 2016-07-28 | 2016-12-21 | 北京中智永科技发展有限公司 | A kind of hydrophone of band amplifying circuit |
-
2016
- 2016-07-28 CN CN201610608999.7A patent/CN106124041A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2066575U (en) * | 1990-04-28 | 1990-11-28 | 北京大学 | Flexible high sensitive hydrophone |
| US5675556A (en) * | 1995-10-19 | 1997-10-07 | Syntron, Inc. | Hydrophone structure and method |
| CN200983671Y (en) * | 2006-12-14 | 2007-11-28 | 中船重工海声科技有限公司 | 2D co-shaking voltage porcelain vector water hearer |
| CN101118428A (en) * | 2007-09-05 | 2008-02-06 | 重庆大学 | Intelligent sensor |
| CN101261282A (en) * | 2008-04-10 | 2008-09-10 | 江苏联能电子技术有限公司 | Intelligent piezoelectric type acceleration sensor |
| CN103954794A (en) * | 2014-05-13 | 2014-07-30 | 安徽理工大学 | Charge amplification and acquisition system of low-frequency piezoelectricity acceleration sensor |
| CN104270108A (en) * | 2014-10-15 | 2015-01-07 | 威海北洋光电信息技术股份公司 | Charge amplifier |
| CN105759308A (en) * | 2014-12-17 | 2016-07-13 | 北京大学深圳研究生院 | Great earthquake impending earthquake sound monitoring probe unit structure based on piezoelectric cable sensor and circuit module structure |
| CN105323685A (en) * | 2015-06-09 | 2016-02-10 | 中国科学院声学研究所 | Full-depth low-frequency broadband highly-sensitive piezoelectric hydrophone |
| CN104931162A (en) * | 2015-06-30 | 2015-09-23 | 安徽智敏电气技术有限公司 | Piezoelectric sensor |
| CN204836096U (en) * | 2015-07-08 | 2015-12-02 | 上海大学 | Piezoelectric acceleration sensor's charge amplifier |
| CN205319192U (en) * | 2015-12-31 | 2016-06-15 | 中国船舶重工集团公司七五○试验场 | Piezoceramics component with shielding layer |
| CN205826127U (en) * | 2016-07-28 | 2016-12-21 | 北京中智永科技发展有限公司 | A kind of hydrophone of band amplifying circuit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110794486A (en) * | 2018-08-02 | 2020-02-14 | 北京交通大学 | Rainfall sensor |
| CN110794486B (en) * | 2018-08-02 | 2022-04-05 | 北京交通大学 | Rainfall sensor |
| CN109855721A (en) * | 2019-02-01 | 2019-06-07 | 中北大学 | Condenser type pressure hydrophone based on MEMS technology and preparation method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161116 |
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| RJ01 | Rejection of invention patent application after publication |