CN207473102U - A kind of survey grid for the detection of submarine target magnetic method - Google Patents

A kind of survey grid for the detection of submarine target magnetic method Download PDF

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Publication number
CN207473102U
CN207473102U CN201720439809.3U CN201720439809U CN207473102U CN 207473102 U CN207473102 U CN 207473102U CN 201720439809 U CN201720439809 U CN 201720439809U CN 207473102 U CN207473102 U CN 207473102U
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anchor
hawser
detection
survey grid
anchor line
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张胜
方向
李裕春
杨力
郭涛
武双章
张健令
况懿
尹照华
刘冠华
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PLA University of Science and Technology
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PLA University of Science and Technology
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Abstract

The utility model discloses a kind of survey grids for the detection of submarine target magnetic method, and including hawser, anchor line, buoy and lead anchor, the hawser is waterproof rope, passes through one anchor line of knot that can be undone by a pull vertical connection;Anchor line be waterproof rope, one end connection cable, the other end connection lead anchor;Floating ball is foam ball, and floating ball is sequentially fixed at each hawser and anchor line tie point;Lead anchor is spherical metal lead pig, is fixed on anchor line one end, is connected between adjacent lead anchor by hawser.The utility model 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, underwater ferromagnetism target can be located in the range of 1m × 1m, arrangement interval 1m × 1m, size 20m × 20m survey grid an assault boat is only needed to work continuously 20 minutes.The utility model can greatly improve the efficiency of underwater ferromagnetic target detection.

Description

A kind of survey grid for the detection of submarine target magnetic method
Technical field
The utility model belongs to Underwater Target Detection field, be related to it is a kind of for submarine target magnetic method detection survey grid and its Measuring method.
Background technology
The principle of magnetic method detection is that the magnetic ladder of the target proximity water surface (ground) each point is measured using magnetic gradient measurements instrument Degree, the magnetic gradient numerical value of comprehensive analysis all the points can be obtained by target and is located near which measurement point.Magnetic method detection pair at present In the detection of the larger metal target in underwater, underground be most economical, most efficient method.The undergrounds such as the unexploded for piercing underground The magnetic method detection of metal target, may be used arrangement survey grid, point-to-point measurement, the method for software synthesis judgement, and positioning accuracy is higher. But the unexploded for falling into the water, shipwreck or other metal targets, when being detected using magnetic method, since 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, exploitation is a kind of The survey grid that can be arranged on the water surface, becomes urgent problem to be solved.
The ground survey grid of magnetic method detection uses the nylon rope grid of 10cm × 10cm, is measured using magnetic detector in each site Magnetic gradient data simultaneously store, after the completion of all site measurement data, mesh point region where comprehensive analysis judgement target.
The ground survey grid of the prior art can not be laid on the water surface, because what is be made of hawser and buoy is used for bottom culture Water surface positioning Netcom cross hawser and be fixed on seabed, surveying vessel can be blocked, can not implement to measure.
Based on drawbacks described above, the prior art can not meet magnetic method detecting underwater object positioning requirements.
Utility model content
The technical issues of the utility model solves is to close buoy using waterproof knot and non-ferromagnetic metal anchor is formed The water surface positions survey grid, ensures that measurement navigation channel is unobstructed, accurate positioning reaches the basic demand of magnetic method detecting underwater object.
Realize the utility model aim technical solution be:A kind of survey grid for the detection of submarine target magnetic method, packet Hawser, anchor line, buoy and lead anchor are included, the quantity of the hawser is two, respectively upper hawser and lower cable, upper hawser and lower cable Several anchor lines are arranged side by side between rope at equal intervals, the tie point of upper hawser and anchor line is respectively provided with the company of buoy, lower cable and anchor line Contact is respectively provided with lead anchor.
A kind of Underwater Target Detection method using above-mentioned survey grid includes the following steps:
Step 1 prepares surveying vessel and magnetic detector, and ship selects the small boat that water plane width is less than 80cm, so as to In being navigated by water in survey grid;Magnetic detector is located on surveying vessel;
Step 2 determines search coverage, centered on the approximate location for detecting target, determines the detection of 20m × 20m sizes Region;
Step 3 determines the search coverage depth of water;
Step 4, adjustment anchor line length adjust the underwater penetration of anchor line according to the depth of water;
Step 5, the serial number 1-21, and according to the sequence unfolding first of buoy number successively on the buoy of every survey grid Survey grid, the survey grid pass through search coverage center;
Step 6, using first survey grid as symmetry axis, unfold second, third according to the sequence of buoy label 21-1 in both sides 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 buoy label 1-21 sequence unfold the four, the 5th Survey grid, it is 1m to make adjacent two survey grids distance;
Step 8 repeats step 6 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 buoys, it are made just to expose The water surface;
The probe of magnetic detector is placed in water by step 10, and surveying vessel is advanced according to serpentine course line, often floating by one The measured value of label one magnetic gradient of record, finally integrating all magnetic gradient measurements by Data Analysis Software is worth detection target position Near which measuring point, Detection location is completed.
Compared with prior art, remarkable advantage is the utility model:1) the utility model can be no more than 5m in the depth of water Waters arrangement Underwater Target Detection positioning survey grid, feature is that operating speed is fast, simple and reliable, can be by underwater ferromagnetism target It is located in the range of 1m × 1m.Result of the test shows, the utility model arrangement interval 1m × 1m, size 20m × 20m survey grid An assault boat is only needed to work continuously 18~20 minutes.Coordinate GTL312 type dud detection devices and Data Analysis Software, it can A hair 122mm shells at effective position depth of water 4m.The utility model can greatly improve the efficiency of underwater ferromagnetic target detection. 2) the utility model closes buoy using waterproof knot and non-ferromagnetic metal anchor forms water surface positioning survey grid, ensures that measuring navigation channel leads to Freely, accurate positioning reaches the basic demand of magnetic method detecting underwater object.
The utility model is described in further detail below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is the survey grid structure diagram of the utility model.
Fig. 2 is the vertical view that survey grid is arranged in the water surface.
The meaning numbered in figure is:1 hawser, 2 anchor lines, 3 buoys, 4 lead anchors, 5 surveying vessels, 6 course lines.
Specific embodiment
With reference to Fig. 1 and Fig. 2, a kind of survey grid for the detection of submarine target magnetic method of the utility model, including hawser 1, anchor Rope 2, buoy 3 and lead anchor 4, the quantity of the hawser 1 is two, respectively upper hawser and lower cable, upper hawser and lower cable it Between several anchor lines 2 are arranged side by side at equal intervals, 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.
The hawser 1 is waterproof rope, length 20m ± 1m, per 10cm one scale of label on hawser;Every 1m on hawser Place, passes through one anchor line 2 of knot that can be undone by a pull vertical connection.
The anchor line 2 is waterproof rope, length 5m ± 0.5m, per 10cm one scale of label.
The buoy 3 is foam ball, and housing waterproof ball cover, ball cover surface indicates number.
The lead anchor 4 is spherical metal lead pig.Because lead is the metal of nonferromagnetic, magnetic field of the goal will not be generated larger Influence, and proportion is larger, when material as anchoring.
Preferably, the quantity of anchor line 2 is 21.
A kind of Underwater Target Detection method using above-mentioned survey grid includes the following steps:
Step 1 prepares surveying vessel and magnetic detector, and ship selects the small boat that water plane width is less than 80cm, so as to In being navigated by water in survey grid;Magnetic detector is located on surveying vessel;Detector used is GTL312 type dud detection devices.
Step 2 determines search coverage, centered on the approximate location for detecting target, determines the detection of 20m × 20m sizes Region;
Step 3 determines the search coverage depth of water;
Step 4, adjustment 2 length of anchor line adjust the underwater penetration of anchor line 2 according to the depth of water;
Step 5, the serial number 1-21, and according to the sequence unfolding first of buoy number successively on the buoy of every survey grid Survey grid, the survey grid pass through search coverage center;
Step 6, using first survey grid as symmetry axis, unfold second, third according to the sequence of buoy label 21-1 in both sides 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 buoy label 1-21 sequence unfold the four, the 5th Survey grid, it is 1m to make adjacent two survey grids distance;
Step 8 repeats step 6 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 buoys, it are made just to expose The water surface;
The probe of magnetic detector is placed in water by step 10, and surveying vessel is advanced according to serpentine course line, often floating by one The measured value of label one magnetic gradient of record, finally integrating all magnetic gradient measurements by Data Analysis Software is worth detection target position Near which measuring point, Detection location is completed.
The utility model closes buoy using waterproof knot and non-ferromagnetic metal anchor forms water surface positioning survey grid, ensures to measure Navigation channel is unobstructed, accurate positioning, reaches the basic demand of magnetic method detecting underwater object.
Further detailed description is done to the utility model with reference to embodiment.
Embodiment 1
A kind of survey grid for the detection of 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 label.At 1m, pass through one anchor line 2 of knot that can be undone by a pull vertical connection.Anchor line 2 For waterproof rope, length 5m, per 10cm one scale of label.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.Buoy 3 is foam ball, and housing waterproof ball cover, ball cover surface indicates digital " 1 " to " 21 ". Buoy 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, magnetic field of the goal will not be produced bigger effect, and proportion is larger, when material as anchoring. It is connected between adjacent lead anchor by hawser 1.
Implement as follows:
The first step:Prepare surveying vessel and magnetic detector.The small boat that water plane width is 65cm is selected, in order to survey It is 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.
Third walks:Determine the search coverage depth of water.This search coverage depth of water 4.0m.
4th step:Adjust 2 length of anchor line.Knot that can be undone by a pull is loosened according to the depth of water, adjustment 2 length of anchor line is to the depth of water, and locked knot that can be undone by a pull.
5th step:First survey grid is unfolded according to the sequence of buoy number 1-21, which passes through search coverage center.
6th step:Using first survey grid as symmetry axis, second, third is unfolded according to the sequence of buoy label 21-1 in both sides 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 the sequence of buoy label 1-21 in both sides 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 buoys is adjusted, just to expose water Face is advisable.
Tenth step:It measures.The probe of magnetic detector is placed in water, surveying vessel is advanced according to serpentine course line.Often pass through one A buoy records the measured value of a magnetic gradient, and finally integrating all magnetic gradient measurements by Data Analysis Software is worth detection mesh Mark completes Detection location near which measuring point.
It can arrange that submarine target is visited in the waters of depth of water 4.0m using the above-mentioned survey grid for the detection of submarine target magnetic method Position survey grid is measured, underwater ferromagnetism target can be located in the range of 1m × 1m, arrangement interval 1m × 1m, size 20m × The survey grid of 20m only needs an assault boat to work continuously 18 minutes.Coordinate GTL312 type dud detection devices and Data Analysis Software, Hair 122mm shells that can be at effective position depth of water 4.0m.The utility model coordinates above-mentioned implementation steps to have operating speed Soon, the characteristics of simple and reliable, can greatly improve the efficiency of underwater ferromagnetic target detection.
Embodiment 2
A kind of survey grid for the detection of 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 label.At 1m, pass through one anchor line 2 of knot that can be undone by a pull vertical connection.Anchor line 2 be waterproof rope, length 5.5m, per 10cm one scale of label.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.Buoy 3 is foam ball, and housing waterproof ball cover, ball cover surface indicates digital " 1 " extremely “21”.Buoy 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 be nonferromagnetic metal, magnetic field of the goal will not be produced bigger effect, and proportion is larger, when as anchoring Material.It is connected between adjacent lead anchor by hawser 1.
Implement as follows:
The first step:Prepare surveying vessel and magnetic detector.The small boat that water plane width is 70cm is selected, in order to survey It is 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.
Third walks:Determine the search coverage depth of water.This search coverage depth of water 5.0m.
4th step:Adjust 2 length of anchor line.Knot that can be undone by a pull is loosened according to the depth of water, adjustment 2 length of anchor line is to the depth of water, and locked knot that can be undone by a pull.
5th step:First survey grid is unfolded according to the sequence of buoy number 1-21, which passes through search coverage center.
6th step:Using first survey grid as symmetry axis, second, third is unfolded according to the sequence of buoy label 21-1 in both sides 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 the sequence of buoy label 1-21 in both sides 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 buoys is adjusted, just to expose water Face is advisable.
Tenth step:It measures.The probe of magnetic detector is placed in water, surveying vessel is advanced according to serpentine course line.Often pass through one A buoy records the measured value of a magnetic gradient, and finally integrating all magnetic gradient measurements by Data Analysis Software is worth detection mesh Mark completes Detection location near which measuring point.
It can arrange that submarine target is visited in the waters of depth of water 5.0m using the above-mentioned survey grid for the detection of submarine target magnetic method Position survey grid is measured, underwater ferromagnetism target can be located in the range of 1m × 1m, arrangement interval 1m × 1m, size 20m × The survey grid of 20m only needs an assault boat to work continuously 20 minutes.Coordinate GTL312 type dud detection devices and Data Analysis Software, Hair 127mm shells that can be at effective position depth of water 5.0m.The utility model can greatly improve underwater ferromagnetic target detection Efficiency.

Claims (6)

1. it is a kind of for submarine target magnetic method detection survey grid, which is characterized 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 The tie point of several anchor lines [2] arranged side by side, 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 for the detection of submarine target magnetic method, which is characterized in that the hawser [1] is Waterproof rope, length 20m ± 1m, per 10cm one scale of label on hawser;On hawser at 1m, pass through knot that can be undone by a pull vertical connection one Bar anchor line [2].
3. the survey grid according to claim 1 for the detection of submarine target magnetic method, which is characterized in that the anchor line [2] is Waterproof rope, length 5m ± 0.5m, per 10cm one scale of label.
4. the survey grid according to claim 1 for the detection of submarine target magnetic method, which is characterized in that the buoy [3] is Foam ball, housing waterproof ball cover, ball cover surface indicates number.
5. the survey grid according to claim 1 for the detection of submarine target magnetic method, which is characterized in that the lead anchor [4] is Spherical metal lead pig.
6. the survey grid according to claim 1 for the detection of submarine target magnetic method, which is characterized in that the quantity of anchor line [2] It is 21.
CN201720439809.3U 2017-04-24 2017-04-24 A kind of survey grid for the detection of submarine target magnetic method Active CN207473102U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106980140A (en) * 2017-04-24 2017-07-25 中国人民解放军理工大学 A kind of survey grid detected for submarine target magnetic method and its measuring method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106980140A (en) * 2017-04-24 2017-07-25 中国人民解放军理工大学 A kind of survey grid detected for submarine target magnetic method and its measuring method
CN106980140B (en) * 2017-04-24 2023-07-21 中国人民解放军理工大学 Underwater target magnetic method detection method

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