CN106980140A - A kind of survey grid detected for submarine target magnetic method and its measuring method - Google Patents
A kind of survey grid detected for submarine target magnetic method and its measuring method Download PDFInfo
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- CN106980140A CN106980140A CN201710272334.8A CN201710272334A CN106980140A CN 106980140 A CN106980140 A CN 106980140A CN 201710272334 A CN201710272334 A CN 201710272334A CN 106980140 A CN106980140 A CN 106980140A
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/022—Measuring gradient
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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Abstract
The invention discloses a kind of survey grid detected for submarine target magnetic method, including hawser, anchor line, buoy and lead anchor, the hawser is waterproof rope, and an anchor line is vertically connected by knot that can be undone by a pull；Anchor line is waterproof rope, one end connection cable, other end connection lead anchor；Ball float is foam ball, and ball float is sequentially fixed at each hawser and anchor line tie point；Lead anchor is spherical metal lead pig, is fixed between anchor line one end, adjacent lead anchor and is connected by hawser.The present invention can be in waters arrangement Underwater Target Detection positioning survey grid of the depth of water no more than 5m, feature is that operating speed is fast, it is simple and reliable, ferromagnetism target under water can be positioned in the range of 1m × 1m, arrangement interval 1m × 1m, size 20m × 20m survey grid only need an assault boat to work continuously 20 minutes.The present invention can greatly improve the efficiency of ferromagnetic target detection under water.
Description
Technical field
The invention belongs to Underwater Target Detection field, it is related to a kind of survey grid detected for submarine target magnetic method and its measurement
Method.
Background technology
The principle of magnetic method detection is to utilize magnetic gradient measurements instrument, measures the magnetic ladder of the target proximity water surface (ground) each point
Degree, comprehensive analysis institute magnetic gradient numerical value a little can be obtained by target and be located near which measurement point.Current magnetic method detection pair
In under water, the detection of the larger metal target in underground be most economical, most efficient method.The undergrounds such as the dud for piercing underground
The magnetic method detection of metal target, can be using arrangement survey grid, and point-to-point measurement, the method that software synthesis judges, positioning precision is higher.
But for the dud fallen into the water, shipwreck or other metal targets, when being detected using magnetic method, because ground survey grid can not cloth
The water surface is put, can only often be judged by operating personnel according to real-time measuring data, usual error is larger.Therefore, develop a kind of
The survey grid that can be arranged on the water surface, as urgent problem to be solved.
The ground survey grid of magnetic method detection uses 10cm × 10cm nylon rope grid, is measured using magnetic detector in each site
Magnetic gradient data are simultaneously stored, after the completion of all site measurement data, mesh point region where comprehensive analysis judges target.
The ground survey grid of prior art can not be laid on the water surface, because being used for bottom culture by what hawser and ball float were constituted
Water surface positioning Netcom cross hawser and be fixed on seabed, surveying vessel can be blocked, it is impossible to implement measurement.
Based on drawbacks described above, prior art can not meet magnetic method detecting underwater object positioning requirements.
The content of the invention
Technical problem solved by the invention is to close buoy using waterproof knot and non-ferromagnetic metal anchor constitutes the water surface
Position survey grid, it is ensured that measurement navigation channel is unobstructed, and accurate positioning reaches the basic demand of magnetic method detecting underwater object.
The technical solution for realizing the object of the invention is：A kind of survey grid detected for submarine target magnetic method, including cable
Rope, anchor line, buoy and lead anchor, the quantity of the hawser are two, respectively upper hawser and lower cable, upper hawser and lower cable it
Between some anchor lines are arranged side by side at equal intervals, the tie point of upper hawser and anchor line is respectively provided with the tie point of buoy, lower cable and anchor line
It is respectively provided with lead anchor.
A kind of Underwater Target Detection method using above-mentioned survey grid, comprises the following steps：
Step 1, preparation surveying vessel and magnetic detector, ship are less than 80cm small boat from water plane width, so as to
In the navigation in survey grid；Magnetic detector is located on surveying vessel；
Step 2, search coverage is determined, centered on the approximate location for detecting target, determine the detection of 20m × 20m sizes
Region；
Step 3, determine the search coverage depth of water；
Step 4, adjustment anchor line length, the underwater penetration of anchor line is adjusted according to the depth of water；
Step 5, the serial number 1-21, and the order unfolding first numbered according to ball float successively on the ball float of every survey grid
Bar survey grid, the survey grid passes through search coverage center；
Step 6, using first survey grid as symmetry axis, unfold second, third according to ball float label 21-1 order in both sides
Bar survey grid, it is 1m to make adjacent two survey grids distance；
Step 7, using first survey grid as symmetry axis, both sides according to ball float label 1-21 order unfold the four, the 5th
Bar survey grid, it is 1m to make adjacent two survey grids distance；
Step 8, repeat step 6 are to step 7, until 21 survey grids are laid and completed；
Step 9, the water depth ratio according to different measuring points, adjust the anchor line length below indivedual ball floats, it is just exposed
The water surface；
Step 10, the probe of magnetic detector is placed in water, surveying vessel is advanced according to serpentine course line, is often floated by one
Ball records the measured value of a magnetic gradient, and finally integrating all magnetic gradient measurements by DAS is worth detection target position
Near which measuring point, Detection location is completed.
Compared with prior art, its remarkable advantage is the present invention：1) present invention can be no more than 5m waters cloth in the depth of water
Underwater Target Detection positioning survey grid is put, feature is that operating speed is fast, simple and reliable, ferromagnetism target under water can be positioned at into 1m
In the range of × 1m.Result of the test shows that arrangement interval 1m × 1m of the present invention, size 20m × 20m survey grid only need one to charge
Boat is worked continuously 18~20 minutes.Coordinate GTL312 type dud detection devices and DAS, can effectively position depth of water 4m
The one hair 122mm shells at place.The present invention can greatly improve the efficiency of ferromagnetic target detection under water.2) present invention uses waterproof rope
Water surface positioning survey grid is constituted with reference to buoy and non-ferromagnetic metal anchor, it is ensured that measurement navigation channel is unobstructed, accurate positioning, reaches that magnetic method is visited
Survey the basic demand of submarine target.
The present invention is described in further detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the survey grid structural representation of the present invention.
Fig. 2 is the top view that survey grid is arranged in the water surface.
The implication numbered in figure is：1 hawser, 2 anchor lines, 3 ball floats, 4 lead anchors, 5 surveying vessels, 6 course lines.
Embodiment
With reference to Fig. 1 and Fig. 2, a kind of survey grid detected for submarine target magnetic method of the invention, including hawser 1, anchor line 2,
Buoy 3 and lead anchor 4, the quantity of the hawser 1 is two, respectively upper hawser and lower cable, between upper hawser and lower cable etc.
Some anchor lines 2 are arranged side by side in interval, and the tie point of upper hawser and anchor line 2 is respectively provided with the tie point of buoy 3, lower cable and anchor line 2
It is respectively provided with lead anchor 4.
The hawser 1 is waterproof rope, length 20m ± 1m, per 10cm one scale of mark on hawser；Every 1m on hawser
Place, an anchor line 2 is vertically connected by knot that can be undone by a pull.
The anchor line 2 is waterproof rope, length 5m ± 0.5m, per 10cm one scale of mark.
The ball float 3 be foam ball, overcoat waterproof ball cover, ball cover surface indicates numeral.
The lead anchor 4 is spherical metal lead pig.Because lead is the metal of nonferromagnetic, magnetic field of the goal will not be produced larger
Influence, and proportion is larger, when as anchoring material.
It is preferred that, the quantity of anchor line 2 is 21.
A kind of Underwater Target Detection method using above-mentioned survey grid, comprises the following steps：
Step 1, preparation surveying vessel and magnetic detector, ship are less than 80cm small boat from water plane width, so as to
In the navigation in survey grid；Magnetic detector is located on surveying vessel；Detector used is GTL312 type dud detection devices.
Step 2, search coverage is determined, centered on the approximate location for detecting target, determine the detection of 20m × 20m sizes
Region；
Step 3, determine the search coverage depth of water；
Step 4, the adjustment length of anchor line 2, the underwater penetration of anchor line 2 is adjusted according to the depth of water；
Step 5, the serial number 1-21, and the order unfolding first numbered according to ball float successively on the ball float of every survey grid
Bar survey grid, the survey grid passes through search coverage center；
Step 6, using first survey grid as symmetry axis, unfold second, third according to ball float label 21-1 order in both sides
Bar survey grid, it is 1m to make adjacent two survey grids distance；
Step 7, using first survey grid as symmetry axis, both sides according to ball float label 1-21 order unfold the four, the 5th
Bar survey grid, it is 1m to make adjacent two survey grids distance；
Step 8, repeat step 6 are to step 7, until 21 survey grids are laid and completed；
Step 9, the water depth ratio according to different measuring points, adjust the anchor line length below indivedual ball floats, it is just exposed
The water surface；
Step 10, the probe of magnetic detector is placed in water, surveying vessel is advanced according to serpentine course line, is often floated by one
Ball records the measured value of a magnetic gradient, and finally integrating all magnetic gradient measurements by DAS is worth detection target position
Near which measuring point, Detection location is completed.
The present invention closes buoy using waterproof knot and non-ferromagnetic metal anchor constitutes water surface positioning survey grid, it is ensured that measurement navigation channel
Unobstructed, accurate positioning reaches the basic demand of magnetic method detecting underwater object.
Further detailed description is done to the present invention with reference to embodiment.
Embodiment 1
A kind of survey grid detected for submarine target magnetic method, including hawser 1, anchor line 2, buoy 3, lead anchor 4, the hawser 1
For waterproof rope, length 20m, per 10cm one scale of mark.At 1m, an anchor line 2 is vertically connected by knot that can be undone by a pull.Anchor line 2
For waterproof rope, length 5m, per 10cm one scale of mark.One end connection cable 1, other end connection lead anchor 4.Anchor line 2 arrives lead anchor 4
Length can be adjusted by knot that can be undone by a pull.Ball float 3 is foam ball, and overcoat waterproof ball cover, ball cover surface is indicated digital " 1 " to " 21 ".
Ball float is sequentially fixed at each hawser and anchor line tie point 2.Lead anchor 4 is spherical metal lead pig, is fixed on anchor line one end.Because
Lead is the metal of nonferromagnetic, will not produce considerable influence to magnetic field of the goal, and proportion is larger, when as anchoring material.
Connected between adjacent lead anchor by hawser 1.
Implement as follows：
The first step：Prepare surveying vessel and magnetic detector.From the small boat that water plane width is 65cm, in order to survey
Navigated by water in net.
Second step：Determine search coverage.Centered on the approximate location for detecting target, the detection of 20m × 20m sizes is determined
Region.
3rd step：Determine the search coverage depth of water.This search coverage depth of water 4.0m.
4th step：Adjust the length of anchor line 2.Knot that can be undone by a pull, the adjustment length of anchor line 2 to the depth of water, and locked knot that can be undone by a pull are loosened according to the depth of water.
5th step：First survey grid is unfolded according to ball float numbering 1-21 order, the survey grid passes through search coverage center.
6th step：Using first survey grid as symmetry axis, second, third is unfolded according to ball float label 21-1 order in both sides
Bar survey grid, the closest survey grid 1m of this two survey grids.
7th step：Using first survey grid as symmetry axis, the four, the 5th are unfolded according to ball float label 1-21 order in both sides
Bar survey grid, the closest survey grid 1m of this two survey grids.
8th step：The 6th step and the 7th step are repeated, until 21 survey grids are laid and completed.
9th step：According to the water depth ratio of different measuring points, the anchor line length below indivedual ball floats is adjusted, just to expose water
Face is advisable.
Tenth step：Measurement.The probe of magnetic detector is placed in water, surveying vessel is advanced according to serpentine course line.Often pass through one
Individual ball float records the measured value of a magnetic gradient, and finally integrating all magnetic gradient measurements by DAS is worth detection mesh
Mark completes Detection location near which measuring point.
It can be visited using above-mentioned for the survey grid that submarine target magnetic method is detected in depth of water 4.0m waters arrangement submarine target
Position survey grid is determined, ferromagnetism target under water can be positioned in the range of 1m × 1m, arrangement interval 1m × 1m, size 20m × 20m
Survey grid only need an assault boat to work continuously 18 minutes.Coordinate GTL312 type dud detection devices and DAS, energy
A hair 122mm shells at enough effectively positioning depth of water 4.0m.The present invention coordinates above-mentioned implementation steps to have operating speed fast, simple
Reliable the characteristics of, the efficiency of ferromagnetic target detection under water can be greatly improved.
Embodiment 2
A kind of survey grid detected for submarine target magnetic method, including hawser 1, anchor line 2, buoy 3, lead anchor 4, the hawser 1
For waterproof rope, length 20.5m, per 10cm one scale of mark.At 1m, an anchor line 2 is vertically connected by knot that can be undone by a pull.Anchor line
2 be waterproof rope, length 5.5m, per 10cm one scale of mark.One end connection cable 1, other end connection lead anchor 4.Anchor line 2 arrives lead
The length of anchor 4 can be adjusted by knot that can be undone by a pull.Ball float 3 is foam ball, and overcoat waterproof ball cover, ball cover surface indicates digital " 1 " extremely
“21”.Ball float is sequentially fixed at each hawser and anchor line tie point 2.Lead anchor 4 is spherical metal lead pig, is fixed on anchor line one
End.Because lead is the metal of nonferromagnetic, considerable influence will not be produced to magnetic field of the goal, and proportion is larger, when be used as anchoring
Material.Connected between adjacent lead anchor by hawser 1.
Implement as follows：
The first step：Prepare surveying vessel and magnetic detector.From the small boat that water plane width is 70cm, in order to survey
Navigated by water in net.
Second step：Determine search coverage.Centered on the approximate location for detecting target, the detection of 20m × 20m sizes is determined
Region.
3rd step：Determine the search coverage depth of water.This search coverage depth of water 5.0m.
4th step：Adjust the length of anchor line 2.Knot that can be undone by a pull, the adjustment length of anchor line 2 to the depth of water, and locked knot that can be undone by a pull are loosened according to the depth of water.
5th step：First survey grid is unfolded according to ball float numbering 1-21 order, the survey grid passes through search coverage center.
6th step：Using first survey grid as symmetry axis, second, third is unfolded according to ball float label 21-1 order in both sides
Bar survey grid, the closest survey grid 1m of this two survey grids.
7th step：Using first survey grid as symmetry axis, the four, the 5th are unfolded according to ball float label 1-21 order in both sides
Bar survey grid, the closest survey grid 1m of this two survey grids.
8th step：The 6th step and the 7th step are repeated, until 21 survey grids are laid and completed.
9th step：According to the water depth ratio of different measuring points, the anchor line length below indivedual ball floats is adjusted, just to expose water
Face is advisable.
Tenth step：Measurement.The probe of magnetic detector is placed in water, surveying vessel is advanced according to serpentine course line.Often pass through one
Individual ball float records the measured value of a magnetic gradient, and finally integrating all magnetic gradient measurements by DAS is worth detection mesh
Mark completes Detection location near which measuring point.
It can be visited using above-mentioned for the survey grid that submarine target magnetic method is detected in depth of water 5.0m waters arrangement submarine target
Position survey grid is determined, ferromagnetism target under water can be positioned in the range of 1m × 1m, arrangement interval 1m × 1m, size 20m × 20m
Survey grid only need an assault boat to work continuously 20 minutes.Coordinate GTL312 type dud detection devices and DAS, energy
A hair 127mm shells at enough effectively positioning depth of water 5.0m.The present invention can greatly improve the efficiency of ferromagnetic target detection under water.
Claims (8)
1. it is a kind of for submarine target magnetic method detect survey grid, it is characterised in that including hawser [1], anchor line [2], buoy [3] and
Lead anchor [4], the quantity of the hawser [1] is two, respectively upper hawser and lower cable, between upper hawser and lower cable at equal intervals
Some anchor lines [2] are arranged side by side, the tie point of upper hawser and anchor line [2] is respectively provided with the company of buoy [3], lower cable and anchor line [2]
Contact is respectively provided with lead anchor [4].
2. the survey grid according to claim 1 detected for submarine target magnetic method, it is characterised in that the hawser [1] is
Per 10cm one scale of mark on waterproof rope, length 20m ± 1m, hawser；On hawser at 1m, one is vertically connected by knot that can be undone by a pull
Bar anchor line [2].
3. the survey grid according to claim 1 detected for submarine target magnetic method, it is characterised in that the anchor line [2] is
Waterproof rope, length 5m ± 0.5m, per 10cm one scale of mark.
4. the survey grid according to claim 1 detected for submarine target magnetic method, it is characterised in that the ball float [3] is
Foam ball, overcoat waterproof ball cover, ball cover surface indicates numeral.
5. the survey grid according to claim 1 detected for submarine target magnetic method, it is characterised in that the lead anchor [4] is
Spherical metal lead pig.
6. the survey grid according to claim 1 detected for submarine target magnetic method, it is characterised in that the quantity of anchor line [2]
For 21.
7. a kind of Underwater Target Detection method of survey grid described in utilization claim 1, it is characterised in that comprise the following steps：
Step 1, prepare surveying vessel and magnetic detector, ship is less than 80cm small boat from water plane width, in order to
Navigated by water in survey grid；Magnetic detector is located on surveying vessel；
Step 2, search coverage is determined, centered on the approximate location for detecting target, determine the search coverage of 20m × 20m sizes；
Step 3, determine the search coverage depth of water；
Step 4, adjustment anchor line [2] length, the underwater penetration of anchor line [2] is adjusted according to the depth of water；
Step 5, the serial number 1-21, and the order numbered according to ball float unfolds first survey successively on the ball float of every survey grid
Net, the survey grid passes through search coverage center；
Step 6, using first survey grid as symmetry axis, both sides according to ball float label 21-1 order unfold second, third survey
Net, it is 1m to make adjacent two survey grids distance；
Step 7, using first survey grid as symmetry axis, both sides according to ball float label 1-21 order unfolding the 4th, Article 5 survey
Net, it is 1m to make adjacent two survey grids distance；
Step 8, repeat step 6 are to step 7, until 21 survey grids are laid and completed；
Step 9, the water depth ratio according to different measuring points, adjust the anchor line length below indivedual ball floats, it is just surfaced；
Step 10, the probe of magnetic detector is placed in water, surveying vessel is advanced according to serpentine course line, often by a ball float note
The measured value of a magnetic gradient is recorded, finally integrating all magnetic gradient measurements by DAS is worth which detection target is located at
Near individual measuring point, Detection location is completed.
8. Underwater Target Detection method according to claim 7, it is characterised in that detector used is in step 1
GTL312 type dud detection devices.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107367764A (en) * | 2017-07-28 | 2017-11-21 | 吉林大学 | A kind of apparatus and method of accurate measurement dud transient electromagnetic characteristic response |
| CN109283513A (en) * | 2018-08-31 | 2019-01-29 | 中国船舶重工集团公司第七〇五研究所 | A kind of towing line array Lake trial static state array structure and method |
| CN110220499A (en) * | 2019-05-28 | 2019-09-10 | 潍坊新力蒙水产技术有限公司 | Search drafting system in seabed |
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| CN207473102U (en) * | 2017-04-24 | 2018-06-08 | 中国人民解放军理工大学 | A kind of survey grid for the detection of submarine target magnetic method |
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| JPH09329668A (en) * | 1996-06-06 | 1997-12-22 | Kokusai Denshin Denwa Co Ltd <Kdd> | Submarine cable surveying means |
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| CN107367764A (en) * | 2017-07-28 | 2017-11-21 | 吉林大学 | A kind of apparatus and method of accurate measurement dud transient electromagnetic characteristic response |
| CN109283513A (en) * | 2018-08-31 | 2019-01-29 | 中国船舶重工集团公司第七〇五研究所 | A kind of towing line array Lake trial static state array structure and method |
| CN110220499A (en) * | 2019-05-28 | 2019-09-10 | 潍坊新力蒙水产技术有限公司 | Search drafting system in seabed |
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| Publication number | Publication date |
|---|---|
| CN106980140B (en) | 2023-07-21 |
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