CN106873042A - The detection system of the water surface/submarine target based on magnetic core coil - Google Patents
The detection system of the water surface/submarine target based on magnetic core coil Download PDFInfo
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- CN106873042A CN106873042A CN201510922376.2A CN201510922376A CN106873042A CN 106873042 A CN106873042 A CN 106873042A CN 201510922376 A CN201510922376 A CN 201510922376A CN 106873042 A CN106873042 A CN 106873042A
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- G—PHYSICS
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- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
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Abstract
The invention discloses a kind of detection system of the water surface/submarine target based on magnetic core coil, equidistantly some magnetic core induction coil groups of laying are included in region under water to be detected.Wherein, each magnetic core induction coil group is independently connected to the signal processing system on land by main cables, signal processing system is processed each induced voltage signal for gathering, and determines the data message of the position, translational speed and magnetic size of target, and data message is pointed out or early warning accordingly.Magnetic core coil pair of each magnetic core induction coil group comprising some parallel and equidistant laying, each magnetic core coil is to comprising 3 (Cxn, Cyn, Czn) orthogonal but disjunct elongated cylindrical magnetic core coil, the equidirectional laying magnetic core coil (Cx1~Cxn of all magnetic core coils pair；Cy1~Cyn；Cz1~Czn) it is arranged in series.The invention also discloses the application of a kind of detection method and magnetic core coil.
Description
Technical field
The invention belongs to Electromagnetic measurements technical field, and in particular to a kind of electromagnetism of utilization magnetic core coil
Sensing Detection Techniques realize the detecting to the water surface/underwater moving target.
Background technology
At present, the Main Means of countries in the world detecting underwater object are sonars, but with the Jing Yin skill of submarine
The raising of art and the development of small-sized submariner device, sonar detection become more difficult.Regardless of whether under water, also
It is waterborne target, due to largely using magnetic material, its magnetic is difficult to eliminate.In bottom laying magnetic core line
Coil sensor, when magnetic target passes through sensor proximity, meeting disturbed magnetic field is distributed so that magnetic core coil
There is ANOMALOUS VARIATIONS in magnetic flux, so as to produce induced voltage signal on magnetic core coil, by the signal detection
Go out, and using the signal processing means such as wavelet analysis by the marine background ELIMINATION OF ITS INTERFERENCE in detection signal, from
And reach the purpose of identification magnetic moving-target.
Additionally, magnetic core coil can also be detected without magnetic target, because inevitable in motion process without magnetic target
Seawater can be disturbed, the abnormal disturbances of conducting medium also necessarily lead to magnetic anomaly regular signal.
Sonar is, using the underwater propagation characteristic of sound wave, to be changed by electroacoustic and information processing, completes water
A kind of technology of lower object ranging, positioning.Sonar detection haves the shortcomings that its is intrinsic：Active sonar is past
Toward because the position of itself easily is exposed into other side, and make the military using when have certain scruples；Passive type
Sonar when target sends relatively large noise, could only be detected to it, determine sound source position,
And whether differentiate is what measured target sent.
Airborne magnetic spy instrument can be used for detecting underwater object.In patrol, its afterbody lifts magnetic to anti-submarine helicopter
Visit instrument (a kind of magnetometer of measurement magnetic induction)；It was found that after magnetic force distribution exception, 2 are being flown nearby just
The course line of friendship, can just measure position, depth and the tonnage of submarine at once.The technology is relative to sonar
Have the advantages that positioning precision is high, do not influenceed by shallow sea complex environment, but operating distance is short, it is general only
There are hundreds of meters, small-sized, weak magnetic target is difficult to detect, the required precision to magnetometer is very high, it is impossible to be long
Phase, real-time, hidden monitoring.
The content of the invention
It is an object of the invention to provide a kind of detection system of the water surface/submarine target based on magnetic core coil
System, the detection system is based on Faraday's electromagnetic induction law, senses by water-bed equidistantly laying magnetic core
Coil, when magnetic target is moved by induction coil top or near zone under water, causes magnetic in coil
The change of flux, the change of magnetic flux produces induced electromotive force at induction coil two ends, by electronic to inducting
The analysis of gesture, it is possible to achieve passive detecting is continued to underwater moving target.
Another object of the present invention is to provide a kind of detection of the water surface/submarine target based on magnetic core coil
Systems approach, the method can realize that mobile target (including without magnetic target) to the water surface or under water is implemented
Detect incessantly, judge target property, send corresponding prompting and early warning signal.
Additionally, it is still another object of the present invention to provide a kind of magnetic core coil in the water surface/Underwater Target Detection
In application.The application passes through multiple magnetic core coils in water or the bottom is equipped with, and realizes the water surface
The mobile detection of/submarine target.
Present invention employs following technical scheme：
A kind of probe segment of the detection system of the water surface/submarine target based on magnetic core coil, is included in and treats
Some magnetic core induction coil groups of equidistant parallel laid in the region under water of detection.Wherein, each magnetic core
Induction coil group is independently connected to the signal processing system on land by main cables, and signal processing system is to adopting
Each induced voltage signal of collection is processed, and determines the number of the position, translational speed and magnetic size of target
It is believed that breath, and data message is pointed out or early warning accordingly.
Wherein, each magnetic core induction coil group includes some (being more than or equal to 2) parallel and equidistant layings
Magnetic core coil pair, each magnetic core coil is to orthogonal but not comprising 3 (Cxn, Cyn, Czn)
Connected elongated cylindrical magnetic core coil, the equidirectional laying magnetic core coil of all magnetic core coils pair
(Cx1~Cxn；Cy1~Cyn；Cz1~Czn) it is arranged in series, direction of winding also must be consistent.
Wherein, the laying direction of the magnetic core coil pair in each magnetic core coil group and the laying of magnetic core coil group
Direction is consistent.
Wherein, the coil Cx1~Cxn and Cy1~Cyn in each magnetic core coil group is in seabed, and
Level is laid, and coil Cz1~Czn is pricked into seabed vertically, and upper end is neat with plane where level laying coil
It is flat.
Wherein, magnetic core coil is the spiral shell coiling with permalloy magnetic core, in elongated cylindrical.
Wherein, the length L of magnetic core coil is in 400mm~2000mm values, permalloy core diameter
The value between 10mm~80mm, and draw ratio L/d have to be larger than 25, magnetic core coil number of turns
The value between 2000~30000.
Wherein, the water surface/submarine target is mobile magnetic target or without magnetic target.
Wherein, the water surface/submarine target is submarine, torpedo, autonomous underwater vehicle, frogman, large-scale
Animal, above water craft etc. under water.
The present invention can be used for Underwater Target Detection, early warning, especially low noise, it is small-sized, without magnetic target,
And the aspect such as yard craft traffic statistics.
Detection system of the invention is based on Faraday's electromagnetic induction law, by water-bed equidistantly laying
Magnetic core induction coil group, when magnetic target is moved by induction coil top or near zone under water,
The change of the change of magnetic flux in coil, magnetic flux is caused to produce induced electromotive force at induction coil two ends,
By the analysis to induced electromotive force, it is possible to achieve continue passive detecting to underwater moving target.This
The method of invention has the characteristics that：1) full passive detection, good concealment；2) energy need not be consumed,
Unregulated power transmission problem；3) system can continuous service, round-the-clock detecting, not by water wave weather for a long time
Influence；4) low cost, highly reliable；5) magnetic core coil size is smaller, is easy to lay under water.
Brief description of the drawings
Fig. 1 is the detection system schematic diagram of the water surface/submarine target based on magnetic core coil of the invention；
Wherein, 1- land；2- seashores；3- harbours or control waters；4- is layed in the magnetic core line at the bottom
Circle group；5- is layed in the signal transmission main cables at the bottom；6- off-lying seas；7- signal transacting systems on the bank
System.
Fig. 2 be in the present invention structure for magnetic core coil group with electrically connect schematic diagram.Wherein,
N (n is more than or equal to 2) individual horizontal magnetic core coil in x directions that Cx1~Cxn is included by a coil group；
The n horizontal magnetic core coil in y directions that Cy1~Cyn is included by a coil group；Cz1~Czn is one
The n vertical magnetic core coil in z directions that individual coil group is included；
Specific embodiment
The detection system to the water surface/submarine target based on magnetic core coil of the invention is entered below in conjunction with the accompanying drawings
Row is further illustrated, what the explanation was merely exemplary, it is no intended to limit the scope of the invention.
Assuming that a control waters throat width is 1.5km, maximum water depth is 10m.Now need lasting statistics
The waters speed of service is passed in and out more than 0.8m/s, magnetic moment is more than 100A.m2The water surface/submarine target number
Amount.In order to solve the problem, referring to Figures 1 and 2, at the harbour, the bottom of 5km wide portions is equidistant
Laying magnetic core coil group (4 are denoted as in Fig. 1).
1st, each magnetic core induction coil group 4 is independently connected to by main cables (5 are denoted as in Fig. 1)
The signal processing system 7 on land 1, at 7 pairs of each induced voltage signals of collection of signal processing system
Reason, identifies target and is counted.
2nd, this example only requires the flow of the statistics water surface/submarine target, and target location positioning precision is not made
It is required that, then the maximum detectable range of magnetic core coil group spacing Main Basiss unicoil group determines, its value
Scope is 10m~60m.
3rd, magnetic of each magnetic core induction coil group comprising 4 parallel and equidistant (20m~50m) laying
Core coil pair, each magnetic core coil is to orthogonal comprising 3 (Cxn, Cyn, Czn) but be not attached to
Elongated cylindrical magnetic core coil, the equidirectional laying magnetic core coil (Cx1~Cxn of all magnetic core coils pair；
Cy1~Cyn；Cz1~Czn) it is arranged in series, direction of winding also must be consistent.
4th, the laying direction and the laying side of magnetic core coil group of the magnetic core coil pair in each magnetic core coil group
To consistent, i.e., the x directions of cartesian coordinate system shown in Fig. 2.
5th, the coil Cx1~Cxn and Cy1~Cyn in each magnetic core coil group is in seabed, and water
Tiling is set, and coil Cz1~Czn is pricked into seabed, upper end and planes align where level laying coil vertically.
6th, magnetic core coil is designed as the spiral shell coiling with permalloy magnetic core, in elongated cylindrical.
7th, in 1200mm~1800mm values, permalloy core diameter exists the length L of magnetic core coil
Value between 40mm~70mm, draw ratio L/d is taken as 30, and magnetic core coil number of turns is 8000~15000
Between value.
Method described in the invention can obtain the motion letter of testee by way of flux of magnetic induction
Breath and extrinsic information.The non-acoustic detection that this patent is used, first with non-contacting feature,
The detection system is produced using measured object peculiar magnetic information in itself and measured object motion tail
Magnetic information, it is not necessary to contacted with testee, you can judge testee extrinsic information；Secondly,
Without power supply, a major issue for habitata is exactly energy resource supply to the detection system, and this
The flux of magnetic induction coil of system is completely without power supply, it is to avoid while the maintenance of system itself is supplied
Avoid the destruction and detection of extraneous device；The system is passive system, will not be because of actively launching any
Detectable signal, only in measured object near sensing is just had to certain limit, so the detection system is very
Difficulty is detected；The characteristics of the system has convenient laying simultaneously, for complicated environments such as subsea, this is
System is laid simply, and with low cost, Effect on Detecting is excellent.
Although giving detailed description to specific embodiment of the invention above and illustrating, should refer to
It is bright, we can according to it is of the invention conception above-mentioned implementation method is carried out it is various it is equivalent change and repair
Change, the function produced by it still without departing from specification and accompanying drawing covered it is spiritual when, all should this
Within the protection domain of invention.
Claims (8)
1. a kind of detection system of the water surface/submarine target based on magnetic core coil, is included in water to be detected
Some magnetic core induction coil groups of equidistant parallel laid in lower region, wherein, each magnetic core induction coil
Group is independently connected to the signal processing system on land, each sense of the signal processing system to gathering by main cables
Answer voltage signal to be processed, determine the data message of the position, translational speed and magnetic size of target,
And data message is pointed out or early warning accordingly.
2. detection system according to claim 1, wherein, each magnetic core induction coil group is included
The magnetic core coil pair of some parallel and equidistant laying, each magnetic core coil to comprising 3 (Cxn, Cyn,
Czn) orthogonal but disjunct elongated cylindrical magnetic core coil, all magnetic core coils pair it is equidirectional
Laying magnetic core coil (Cx1~Cxn；Cy1~Cyn；Cz1~Czn) it is arranged in series, direction of winding is consistent.
3. the probe segment of the detection system according to claim 1-2, wherein, each magnetic core line
The laying direction of the magnetic core coil pair in circle group is consistent with the laying direction of magnetic core coil group.
4. the probe segment of the detection system according to claim 1-2, wherein, each magnetic core line
Coil Cx1~Cxn and Cy1~Cyn in circle group is in seabed, and level is laid, coil Cz1~Czn
Prick vertically into seabed, upper end and planes align where level laying coil.
5. the detection system according to claim 1-2, wherein, magnetic core coil is band permalloy
The spiral shell coiling of magnetic core, in elongated cylindrical.
6. the probe segment of the detection system according to claim 1-2, wherein, magnetic core coil
, in 400mm~2000mm values, d is between 10mm~80mm for permalloy core diameter for length L
Value, and draw ratio L/d have to be larger than 25, magnetic core coil number of turns takes between 2000~50000
Value.
7. the detection system according to claim any one of 1-2, wherein, the water surface/submarine target is
Mobile magnetic target or without magnetic target.
8. the detection system according to claim any one of 1-2, wherein, the mesh of the water surface/under water
It is designated as submarine, torpedo, autonomous underwater vehicle, frogman, Large Underwater animal, above water craft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510922376.2A CN106873042A (en) | 2015-12-14 | 2015-12-14 | The detection system of the water surface/submarine target based on magnetic core coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510922376.2A CN106873042A (en) | 2015-12-14 | 2015-12-14 | The detection system of the water surface/submarine target based on magnetic core coil |
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| Publication Number | Publication Date |
|---|---|
| CN106873042A true CN106873042A (en) | 2017-06-20 |
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| CN201510922376.2A Pending CN106873042A (en) | 2015-12-14 | 2015-12-14 | The detection system of the water surface/submarine target based on magnetic core coil |
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Citations (7)
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|---|---|---|---|---|
| US4867558A (en) * | 1987-06-22 | 1989-09-19 | Gte Government Systems Corporation | Method of remotely detecting submarines using a laser |
| JPH07181248A (en) * | 1993-12-22 | 1995-07-21 | Tech Res & Dev Inst Of Japan Def Agency | Horizontal straight line type wave receiver array |
| CN1614441A (en) * | 2004-12-01 | 2005-05-11 | 南京市长江河道管理处 | Automatic underwater object positioning method and system |
| CN102012529A (en) * | 2010-09-20 | 2011-04-13 | 西安电子科技大学 | System and method for detecting target back trace in water based on laser pulse back scattering |
| CN102508287A (en) * | 2011-10-17 | 2012-06-20 | 大连海事大学 | Underwater object detection device |
| CN103529489A (en) * | 2013-10-23 | 2014-01-22 | 广州市海林电子科技发展有限公司 | Underwater target monitoring system |
| CN103926625A (en) * | 2014-04-18 | 2014-07-16 | 哈尔滨工程大学 | Method for positioning underwater magnetic target in high-precision and long-distance mode through total geomagnetic field |
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2015
- 2015-12-14 CN CN201510922376.2A patent/CN106873042A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4867558A (en) * | 1987-06-22 | 1989-09-19 | Gte Government Systems Corporation | Method of remotely detecting submarines using a laser |
| JPH07181248A (en) * | 1993-12-22 | 1995-07-21 | Tech Res & Dev Inst Of Japan Def Agency | Horizontal straight line type wave receiver array |
| CN1614441A (en) * | 2004-12-01 | 2005-05-11 | 南京市长江河道管理处 | Automatic underwater object positioning method and system |
| CN102012529A (en) * | 2010-09-20 | 2011-04-13 | 西安电子科技大学 | System and method for detecting target back trace in water based on laser pulse back scattering |
| CN102508287A (en) * | 2011-10-17 | 2012-06-20 | 大连海事大学 | Underwater object detection device |
| CN103529489A (en) * | 2013-10-23 | 2014-01-22 | 广州市海林电子科技发展有限公司 | Underwater target monitoring system |
| CN103926625A (en) * | 2014-04-18 | 2014-07-16 | 哈尔滨工程大学 | Method for positioning underwater magnetic target in high-precision and long-distance mode through total geomagnetic field |
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| 石东 等: "线圈磁传感器的发展现状与空间应用", 《航天器环境工程》 * |
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Application publication date: 20170620 |