CN109541253A - A kind of 2-D electromagnetic to test the speed for naval vessel and the integrated velocity sensor of acoustics - Google Patents
A kind of 2-D electromagnetic to test the speed for naval vessel and the integrated velocity sensor of acoustics Download PDFInfo
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- CN109541253A CN109541253A CN201811439394.5A CN201811439394A CN109541253A CN 109541253 A CN109541253 A CN 109541253A CN 201811439394 A CN201811439394 A CN 201811439394A CN 109541253 A CN109541253 A CN 109541253A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/50—Devices characterised by the use of electric or magnetic means for measuring linear speed
- G01P3/54—Devices characterised by the use of electric or magnetic means for measuring linear speed by measuring frequency of generated current or voltage
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- General Physics & Mathematics (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
A kind of 2-D electromagnetic to test the speed for naval vessel and the integrated velocity sensor of acoustics, including integrated sensor head, the body of rod, end cap, mounting plate, lifting bolt, electric connector, the integrated sensor head includes electromagnetic sensor and acoustic transducer, two pairs of electrodes are arranged in electromagnetic sensor end face, it is tested the speed using the realization of faraday electromagnetic induction principle, two pairs of electrodes sense naval vessel longitudinal direction simultaneously, the speed of transverse direction, acoustic transducer uses JANUS arrangement, emit sound wave to seabed simultaneously, according to Doppler effect principle, naval vessel longitudinal direction can also be sensed simultaneously, the speed of transverse direction.It is integrated by the sensor to two kinds of different principles, can accomplish speed measuring function permits remaining backup, alow under identical bore size, compared with single sensor, integrates velocity sensor function more comprehensively, practicability is higher.
Description
Technical field
The present invention relates to the velocity sensors that a kind of 2-D electromagnetic to test the speed for naval vessel and acoustics are integrated.
Background technique
Tachometer is generally divided into hydraulic type tachometer, electromagnet log, Doppler log etc., from practical angle from principle
Degree analysis respectively has advantage and disadvantage.Hydraulic type tachometer high speed is relatively stable, but low speed low precision；Electromagnet log is highly reliable, but
It is influenced vulnerable to marine growth；Doppler log precision is high, but vulnerable to hull bottom aeration.At present naval vessel generally configure two kinds or with
The tachometer of upper principle, and sensor as tachometer important component must and contact with sea water, this makes hull bottom the number of openings
Increase, warship safety reduces.Electromagnet log uses electromagnetic sensor, and Doppler log uses acoustic transducer
Electromagnetic sensor and acoustic transducer are such as carried out Integration Design by device, can reduce hull bottom the number of openings, reduce maintenance cost,
The advantage of two kinds of sensors is given full play to, realizes Redundancy Design.
Summary of the invention
Its of the invention purpose, which is that, provides a kind of 2-D electromagnetic to test the speed for naval vessel and the integrated sensing that tests the speed of acoustics
Device, be alow equipped with integrated velocity sensor tachometer it can be made to be provided simultaneously with electromagnetism tests the speed and acoustics tests the speed ability, collection
Speed when working at electromagnetic sensor component in velocity sensor using Faraday's electromagnetic induction law sensing naval vessel with respect to seawater
Signal is spent, carries out velocity calculated using the Doppler effect principle of sound wave when acoustic transducer component works.Integrated survey is installed
It is strong that the tachometer of fast sensor can give full play to test the speed all weather operations, environmental suitability of electromagnetism, and acoustics rate accuracy is high, variance
Small feature.To realize the redundancy backup of speed measuring function.
It adopts the technical scheme that achieve the above object, a kind of 2-D electromagnetic to test the speed for naval vessel and acoustics are integrated
Velocity sensor, including integrated sensor head, the body of rod, end cap, mounting plate, lifting bolt, electric connector, the integrated sensing
Device head includes acoustic transducer, screw, electromagnetic sensor, is fixed between acoustic transducer and electromagnetic sensor by screw；Institute
Stating acoustic transducer includes shell, sound absorbent rubber, potsherd；The electromagnetic sensor includes gland, pedestal, magnet exciting coil group
Part, electrode, electrode plate are equipped with two pairs of electrodes on electrode plate, and two pairs of electrodes are using vertical symmetry arrangement；The field coil assembly
Including interior loop, iron core, exterior loop；The body of rod is equipped between the integrated sensor head and mounting plate.
Beneficial effect
The present invention has the following advantages that compared with prior art.
It is opposite all can to measure simultaneously vertical, horizontal both direction for electromagnetic sensor component and acoustics transducer element in the present apparatus
The speed of seawater, the two are simultaneously operable, and also can work independently, and are independent of each other, facilitate realize that electromagnetism, acoustics tests the speed without seaming and cutting
It changes.Electromagnetism is given full play to test the speed the advantages of testing the speed with acoustics, electromagnetism test the speed can full sea area work, sturdy reliable, acoustics tests the speed essence
Degree is high, and variance is small.Integrated velocity sensor provides the velocity information of two kinds of different principles, and user is facilitated to select source.It is installing, it can
Naval vessel the number of openings is reduced, is maintained easily.In structure, two pairs of electrodes are arranged in electromagnetic sensor end face, and acoustic transducer uses
The JUANS mode of structuring the formation is arranged symmetrically 4 independent acoustics basic matrixs.Acoustic transducer is according to selected working frequency and rear end resolving side
Formula also can provide the bidimensional ground speed of certain depth range.In production fit on, electromagnetic sensor and acoustic transducer are independent
Encapsulating, it is i.e. composable after molding, from raising yield rate and maintainability.
Detailed description of the invention
Below in conjunction with attached drawing, the invention will be further described.
Fig. 1 is present apparatus structural representation cross-sectional view；
Fig. 2 is present apparatus structural representation front view；
Fig. 3 is integrated sensor header structure schematic sectional view in the present apparatus；
Fig. 4 is integrated sensor header structure diagrammatic side view in the present apparatus；
Fig. 5 is acoustic transducer structural representation cross-sectional view in the present apparatus；
Fig. 6 is electromagnetic sensor structural representation cross-sectional view in the present apparatus；
Fig. 7 is electromagnetic sensor structural representation side view in the present apparatus；
Fig. 8 is field coil assembly structural representation cross-sectional view in the present apparatus.
Specific embodiment
A kind of 2-D electromagnetic to test the speed for naval vessel and the integrated velocity sensor of acoustics, including integrated sensor head 1, bar
Body 2, end cap 3, mounting plate 4, lifting bolt 5, electric connector 6, as shown in figures 1-8, the integrated sensor head 1 are changed including acoustics
Energy device 1-1, screw 1-2, electromagnetic sensor 1-3, it is solid by screw 1-2 between acoustic transducer 1-1 and electromagnetic sensor 1-3
It is fixed；The acoustic transducer 1-1 includes shell 2-1, sound absorbent rubber 2-2, potsherd 2-3；The electromagnetic sensor 1-3 includes pressure
3-1, pedestal 3-2, field coil assembly 3-3, electrode 3-4, electrode plate 3-5 are covered, two pairs of electrodes 3-4 is housed on electrode plate 3-5, two
Electrode 3-4 is arranged using vertical symmetry；The field coil assembly 3-3 includes interior loop 4-1, iron core 4-2, exterior loop 4-3；
The body of rod 2 is equipped between the integrated sensor head 1 and mounting plate 4.
The electric connector 6 uses water-tight electrical connector.
Embodiment
Present apparatus electromagnetic sensor and acoustic transducer are integrated in same sensor internal, and electromagnetic sensor two pairs of electrodes connect
Line is mutually perpendicular to structure the formation, and electromagnetic sensor magnetic core is designed using cylindrical annular, and the magnetic line of force is right in 360 ° along core center when work
Claim, guarantee the consistency of two pairs of electrodes sensitivity from structure, electromagnetic sensor uses epoxy resin encapsulated.In acoustic transducer
Portion arranges four acoustics basic matrixs using the JANUS mode of structuring the formation, and end face uses encapsulating polyurethane, and acoustic transducer end face and electromagnetism pass
Guarantee in the same plane when sensor end face is designed.
The present apparatus is made of integrated sensor head 1, the body of rod 2, end cap 3, mounting plate 4, lifting bolt 5, electric connector 6, such as
Shown in Fig. 1, Fig. 2；The integrated sensor head 1 includes acoustic transducer 1-1, screw 1-2, electromagnetic sensor 1-3, acoustic transducer
It is fixed between device 1-1 and electromagnetic sensor 1-3 by screw 1-2, as shown in Figure 3, Figure 4；The acoustic transducer 1-1 includes shell
Body 2-1, sound absorbent rubber 2-2, potsherd 2-3, it is whole to be formed using encapsulating polyurethane, as shown in Figure 5；The electromagnetic sensor 1-
3 include gland 3-1, pedestal 3-2, field coil assembly 3-3, electrode 3-4, electrode plate 3-5, and two pairs of electricity are housed on electrode plate 3-5
Pole 3-4, two pairs of electrodes 3-4 are using vertical symmetry arrangement, as shown in Figure 6, Figure 7；The field coil assembly 3-3 includes interior loop
4-1, iron core 4-2, exterior loop 4-3, as shown in Figure 8；The body of rod 2 is equipped between the integrated sensor head 1 and mounting plate 4.
It is sealed and fixes using O-ring and screw between the integrated sensor head 1 and the body of rod 2；Mounting plate 4 passes through
End cap 3 is fixed on the body of rod 2；It is fixed between electric connector 6 and end cap 3 by screw, electric connector 6 uses water-tight electrical connector；
The electrode plate 3-5 is equipped with positioning groove, is positioned by it to field coil assembly 3-3, and pass through epoxy resin
It is bonded and is solidified；" wedge shape " structure is used on pedestal 3-2 and electrode plate 3-5 sealing surface, electrode plate 3-5 position and
Increase bond area, and electrode plate 3-5 carry out level is fixed by gland 3-1, guarantees bonding quality；
Two pairs of electrodes 3-4 is housed, two pairs of electrodes are arranged using vertical symmetry, electrode 3-4 and electrode plate 3- on the electrode plate 3-5
Using threaded connection between 5, and is bonded and solidified using epoxy resin；
The field coil assembly 3-3 is made of interior loop 4-1, iron core 4-2, exterior loop 4-3.By adjusting position between two coils
Relationship can be finely adjusted and control to coil parameter, eliminate the discrete type in coil-winding process, improve product static parameter
Consistency.
The field coil assembly 3-3 uses inside and outside dual coil designs, as interior loop 4-1 and exterior loop 4-3 tandem working
When, Distribution of Magnetic Field has wider radiation scope, and bigger induction of signal ability is obtained in same magnetic field working region.
The course of work of the invention:
A component of the velocity sensor that 2-D electromagnetic and acoustics integrate as tachometer equipment, cannot work independently, it is necessary to
The excitation that backend processing unit carries out sensor is matched, transmitting, the treatment processes such as signal amplification, filtering, to calculate speed
Information.
The sense of faraday's electromagnetism is based on when the work of electromagnetic sensor component in the velocity sensor that 2-D electromagnetic and acoustics integrate
Law is answered, the low frequency excitation function of current of electromagnetic sensor makes it generate alternating magnetic field, works as naval vessel in the internal coil of sensor
When navigation, the seawater sectioned coil of relative motion generates the magnetic line of force, so that the directly proportional electric potential signal of ship velocity is resulted from, it should
Signal is picked up by two pairs of electrodes, and a pair picks up longitudinal speed signal, and another pair picks up horizontal rate signal, passes through back-end processing list
Member amplifies speed signal, is filtered, to calculate ship velocity.
2-D electromagnetic and acoustics are based on doppler shift effect when integrating acoustic transducer component work in velocity sensor
Type element is set in principle, the transmitting-receiving conjunction that energy converter device is a kind of mechanical energy and electric energy is mutually converted, and energy converter generates transmitter
Power electric signal is converted to acoustic signals to submarine radiative, and sound wave, which encounters impurity particle in water body or bubble and seabed, to be produced
Raw reflection, reflected sound wave can be received with Doppler shift information by energy converter, after energy converter receives acoustic signals
It is converted to electric signal and gives receiver, the frequency displacement size of this signal is directly proportional to ship velocity.Pass through the signal of receiver rear end
Processing, calculates hull speed.Due to all around respectively arranging an acoustics base using JANUS gusts of modes inside energy converter
Battle array, when hull bottom is installed, front and back battle array is the direction naval vessel Shou Wei, and left and right battle array is that naval vessel is lateral, wherein front and back battle array can be used for measuring naval vessel
Longitudinal velocity, left and right battle array can measure naval vessel lateral velocity.
As seen from the above analysis, 2-D electromagnetic and acoustics integrate electromagnetic sensor component and acoustics in velocity sensor
Transducer element can be used in measurement naval vessel vertical and horizontal speed, to give full play to the advantage of two kinds of sensors, realize superfluous
Remaining design.
Claims (2)
1. the velocity sensor that a kind of 2-D electromagnetic to test the speed for naval vessel and acoustics integrate, including integrated sensor head (1), bar
Body (2), end cap (3), mounting plate (4), lifting bolt (5), electric connector (6), which is characterized in that the integrated sensor head
It (1) include acoustic transducer (1-1), screw (1-2), electromagnetic sensor (1-3), acoustic transducer (1-1) and electromagnetic sensor
It is fixed by screw (1-2) between (1-3)；The acoustic transducer (1-1) includes shell (2-1), sound absorbent rubber (2-2), pottery
Tile (2-3)；The electromagnetic sensor (1-3) includes gland (3-1), pedestal (3-2), field coil assembly (3-3), electrode
(3-4), electrode plate (3-5) is equipped with two pairs of electrodes (3-4) on electrode plate (3-5), and two pairs of electrodes (3-4) use vertical symmetry cloth
It sets；The field coil assembly (3-3) includes interior loop (4-1), iron core (4-2), exterior loop (4-3)；The integrated sensor
The body of rod (2) are equipped between head (1) and mounting plate (4).
2. the velocity sensor that a kind of 2-D electromagnetic to test the speed for naval vessel according to claim 1 and acoustics integrate,
It is characterized in that, the electric connector (6) uses water-tight electrical connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811439394.5A CN109541253B (en) | 2018-11-29 | 2018-11-29 | Two-dimensional electromagnetic and acoustic integrated speed measurement sensor for ship speed measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811439394.5A CN109541253B (en) | 2018-11-29 | 2018-11-29 | Two-dimensional electromagnetic and acoustic integrated speed measurement sensor for ship speed measurement |
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| Publication Number | Publication Date |
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| CN109541253A true CN109541253A (en) | 2019-03-29 |
| CN109541253B CN109541253B (en) | 2021-08-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110618290A (en) * | 2019-09-09 | 2019-12-27 | 中国船舶重工集团公司第七0七研究所九江分部 | Speed information fusion method |
| CN112083184A (en) * | 2020-09-04 | 2020-12-15 | 中国船舶重工集团公司第七0七研究所九江分部 | Wing-like electromagnetic sensor with reverse series-connection double coils and glass fiber material |
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| US4063214A (en) * | 1975-12-15 | 1977-12-13 | Sperry Rand Corporation | Lens transducer for use in marine sonar doppler apparatus |
| US5581515A (en) * | 1994-11-14 | 1996-12-03 | Masreliez; Karl | Thin speed transducer sensor |
| CN1942344A (en) * | 2004-04-02 | 2007-04-04 | 罗伯特·博世有限公司 | Multifunctional upfront sensor |
| CN101458331A (en) * | 2009-01-04 | 2009-06-17 | 中国人民解放军海军工程大学 | Acoustic coupling device for doppler sonar test |
| CN106950394A (en) * | 2017-03-01 | 2017-07-14 | 中国船舶重工集团公司第七0七研究所九江分部 | It is a kind of the bidimensional that water tests the speed to be tested the speed electromagnetic sensor for naval vessel |
| CN107390292A (en) * | 2017-07-05 | 2017-11-24 | 国家海洋局第二海洋研究所 | The seabed high-resolution pull-type detection device and method of acoustics optical fusion |
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2018
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|---|---|---|---|---|
| US4063214A (en) * | 1975-12-15 | 1977-12-13 | Sperry Rand Corporation | Lens transducer for use in marine sonar doppler apparatus |
| US5581515A (en) * | 1994-11-14 | 1996-12-03 | Masreliez; Karl | Thin speed transducer sensor |
| CN1942344A (en) * | 2004-04-02 | 2007-04-04 | 罗伯特·博世有限公司 | Multifunctional upfront sensor |
| CN101458331A (en) * | 2009-01-04 | 2009-06-17 | 中国人民解放军海军工程大学 | Acoustic coupling device for doppler sonar test |
| CN107660302A (en) * | 2015-05-29 | 2018-02-02 | 康士廉公司 | Hull for ship assembles electronic equipment |
| CN106950394A (en) * | 2017-03-01 | 2017-07-14 | 中国船舶重工集团公司第七0七研究所九江分部 | It is a kind of the bidimensional that water tests the speed to be tested the speed electromagnetic sensor for naval vessel |
| CN107390292A (en) * | 2017-07-05 | 2017-11-24 | 国家海洋局第二海洋研究所 | The seabed high-resolution pull-type detection device and method of acoustics optical fusion |
Non-Patent Citations (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110618290A (en) * | 2019-09-09 | 2019-12-27 | 中国船舶重工集团公司第七0七研究所九江分部 | Speed information fusion method |
| CN110618290B (en) * | 2019-09-09 | 2021-09-28 | 中国船舶重工集团公司第七0七研究所九江分部 | Speed information fusion method |
| CN112083184A (en) * | 2020-09-04 | 2020-12-15 | 中国船舶重工集团公司第七0七研究所九江分部 | Wing-like electromagnetic sensor with reverse series-connection double coils and glass fiber material |
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| Publication number | Publication date |
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| CN109541253B (en) | 2021-08-20 |
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