CN2354158Y - Digital panoramic drilling pick-up camera - Google Patents

Digital panoramic drilling pick-up camera Download PDF

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Publication number
CN2354158Y
CN2354158Y CN 98232288 CN98232288U CN2354158Y CN 2354158 Y CN2354158 Y CN 2354158Y CN 98232288 CN98232288 CN 98232288 CN 98232288 U CN98232288 U CN 98232288U CN 2354158 Y CN2354158 Y CN 2354158Y
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CN
China
Prior art keywords
compass
camera
probe
picture
panoramic
Prior art date
Application number
CN 98232288
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Chinese (zh)
Inventor
葛修润
白世伟
王川婴
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中国科学院武汉岩土力学研究所
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Priority to CN 98232288 priority Critical patent/CN2354158Y/en
Application granted granted Critical
Publication of CN2354158Y publication Critical patent/CN2354158Y/en

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Abstract

The utility model relates to a digital panoramic drilling camera, which can be used for the detection of geology phenomena in drilling. The utility model is composed of a probe, a depth pulse generator, a winch, an image card and a computer system; the digital panoramic drilling camera is characterized in that the reflector of the probe is made to a taper and be cut down a head; the centre of the taper reflector is drilled with a hole; the surface of the north arrow of the compass of the probe is coated with non reflecting material; the surface of the south arrow of the compass is coated with reflecting material; a panoramic picture merging with a compass bearing picture enter a computer with a depth quantity by a cable; the digital panoramic drilling camera can realize the panoramic picture of digitization, and reduce and display the plane unfolding picture of 360 DEG of a drilling wall and the three dimensional picture of a virtual rock core. The utility model is suitable for the engineering geological exploration, the engineering safety monitoring and the engineering quality detection of the technical field of water conservancy, civil engineering, energy source, traffic, mining, etc.

Description

The digital panoramic borehole camera device
The utility model relates to the digital panorama boring of cover camera head, the geologic examination in can be used for holing.
Engineering geological survey borehole television commonly used or panorama borehole television (as in Jing Liang etc., the development of vitascan and application thereof in panorama type the hole in, dam observation is tested with the geotechnique, and 1996,20 (4), P30-P32).Borehole television absorbs borehole wall by the probe that 45 ° of plane mirrors are housed that moves in holing topography, and on monitor, show and observation.If need to observe complete borehole wall image, then must carry out 360 ° and execute commentaries on classics.Panorama borehole television then 360 ° of stake face images by the probe picked-up borehole wall that hyperboloidal mirror and lens are housed that moves in boring can be implemented in by the spiral scan circuit and shows simultaneously on the monitor and launch 360 ° of cylindrical pictures and be used for observation on the pick-up tube target surface.The fundamental difference of these two kinds of borehole televisions is range of observation differences, but their common ground is can only be used for the geological phenomenon in holing is observed, can not calculate and analyze (as determining structural plane occurrence, spacing, gap length etc.) to them exactly, also just can not more in depth add up and analyze.
The purpose of this utility model is the problem that exists at above-mentioned two kinds of borehole televisions, proposes a kind of digital panorama boring of cover camera system of in the boring geologic structure being observed, measure, adding up and analyzing that is used in.It can realize the digitizing and the Computer Processing of image, realizes the real-time demonstration of 360 ° of cylindrical pictures of expansion of borehole wall, realizes computer statistics, analysis and the processing of geologic information.
In order to achieve the above object, this real book is novel to have adopted the conical reflector of the centre-drilling hole of butt to form the panoramic picture of 360 ° of the levels of borehole wall, the digital panoramic borehole camera device, it by probe 6., degree of depth pulse producer 10., winch 9., image card 8., computer system (11) forms, catoptron in it is characterized in that popping one's head in is made pyramid type and butt, the centre-drilling hole of pyramid type reflective mirror, the north arrow surface of compass is coated with not reflectorized material of last layer in the probe, and one deck reflectorized material is coated on the compass surface of compass.The ccd video camera picked-up that the magnetic compass image that is positioned at the conical reflector bottom is positioned at conical reflector top simultaneously through the center pit and the panoramic picture of conical reflector, this image carries out digitizing through cable transmission to the image card that is arranged in ground, this digitized image can pass through restoring transformation algorithm and efficient rendering algorithm, show and launch 360 ° of cylindrical pictures and three-dimensional histogram picture, be positioned at will the pop one's head in depth value at place of degree of depth pulse producer on the ground rise or fall device and set up corresponding relation with the digitized image that is obtained, depth value also is used for controlling automatically catching image simultaneously, by identification to the compass graph picture, can obtain the orientation of the panoramic picture that absorbs simultaneously with the compass graph picture, by the depth value of correspondence, just can determine the volume coordinate of panoramic picture again.After determining volume coordinate, can measure the geologic structure in holing, the result of measurement deposits in the geologic information database, utilizes these databases just can carry out the statistics and the analysis of geologic information.
The utility model has the advantages that: it is simple in structure that pop one's head in (1), is convenient to safeguard; (2) execute-in-place is simple, is controlled automatically by the degree of depth and catches image, does not need manually-operated; What (3) panoramic picture comprised contains much information, and is digital picture; (4) the observation scene is big, can observe 360 ° of cylindrical pictures of expansion of borehole wall simultaneously; (5) Flame Image Process, data extraction, result's statistics and anacomization; (6) has good development space.
Below in conjunction with accompanying drawing the utility model is described in further detail
The composition frame diagram of Fig. 1 probe
The composition frame diagram of Fig. 2 digital panoramic borehole camera system
The combination image of Fig. 3 panoramic picture and compass
Fig. 4 system for coordinate transformation figure
Fig. 5 launches 360 ° of face of cylinder images
Fig. 6 degree of depth pulse producer structural drawing
Digital panoramic borehole camera system, it is made up of probe, degree of depth pulse producer, winch, image card, computer system.As shown in Figure 1, optical system of the present utility model is made up of conical reflector (1), light source (2), magnetic compass (3) and ccd video camera (4), is positioned at probe (6) inside that has transparent window (5).Conical reflector (1) is made by metal material, butt and centre-drilling hole, and its conical surface need make it to become minute surface through polishing; North and south two pins of magnetic compass (3) need be handled, and make the north arrow surface be coated with not reflectorized material of last layer, make the compass surface coat one deck reflectorized material.Transparent window (5) the irradiation borehole wall of light source (2) on probe (6), the light of part being shot arrives conical reflector (1) as incident ray through the transparent window (5) on the probe (6), conical reflector (1) reflexes to the ccd video camera (4) that is positioned at conical reflector (1) top with incident ray and forms panoramic picture, the center pit that can obviously distinguish simultaneously the image process conical reflector (1) of north and south two pins in the magnetic compass (3) also reaches ccd video camera (4), make panoramic picture and bearing images exist together in the piece image, as shown in Figure 3, this bearing images has been indicated the level orientation of this panoramic picture.
Panoramic picture and compass azimuth image merga pass cable (7) shown in figure (3) enter computing machine (11).The degree of depth of part being shot is obtained by the degree of depth pulse producer (10) on the winch (9), and as shown in Figure 6: degree of depth pulse producer (10) is made up of measuring wheel (12), photoelectric coding (13) and controller (14), and depth value enters computing machine (11) by cable.Panoramic picture in the aforesaid digitized image is that the cylindrical plot picture forms through after the conversion.Being the circumference that the circumference of the different radii of round dot is represented different depth on the face of cylinder with the central point, specifically is exactly that the little circumference of radius represents that the circumference on the face of cylinder is positioned at its top, and the circumference that radius is big represents that the circumference on the face of cylinder is positioned at its underpart; Be that the ray of starting point is represented a radial line on the face of cylinder with the central point.According to the corresponding relation of panoramic picture and face of cylinder image, coordinate as shown in Figure 4 has following relational expression:
0°≤θ<360° (1)
r 1≤r≤r 2
Wherein: R is the radius on the face of cylinder, and h is the cylinder height;
r 1Be interior radius of a circle in the panoramic picture;
r 2Be panoramic picture China and foreign countries radius of a circle
By Fig. 3 and (1) formula, can reduce expansions to the panoramic picture in the aforesaid digitized image, its method is: with a certain ray is start line, rotates until start line around central point clockwise direction equal angles; Starting point on the ray is the intersection point of interior circle and ray, and terminating point is the intersection point of cylindrical and ray, is equally spaced a little between starting point and terminating point.Can launch 360 ° of cylindrical pictures of borehole wall as stated above, but lack the orientation indication, need to discern compass azimuth for this reason, the method of identification compass azimuth is, in the bearing images of aforesaid digitized image, set a circle, pixel value on this circumference can occur than big-difference because of the north and south pointer of compass is obviously different, according to its difference, can determine the angle θ of north arrow in aforesaid digitized image, be that the radial line on the face of cylinder of ray representative of θ is positive north orientation with the angle value.In the method that the reduction of aforesaid panoramic picture launches, be to be start line, here with a certain ray, a certain ray can after panoramic picture launches, carry out direction setting again with the ray that points to the right, its advantage is to reduce expansion fast, is used for real-time demonstration; A certain ray also can be used the ray of the direction of pointing to north arrow, and the orientation of the face of cylinder image after it launches is fixed, and it can be used for later computational analysis.
Can determine the volume coordinate of every bit on the face of cylinder by (1) formula,, can realize simulating three-dimensional drilling core and show 3-D view according to the efficient rendering algorithm in the computer graphics.Specific implementation method is: (1) selectes a certain observed ray, and for example the angle with axis is 45 °, and points to the direction in positive north: (2) do the parallel projection conversion by this direction; (3) half of the face of cylinder that direction is opposite therewith blocked by second half, should not be revealed; (4) part that is shown is come out according to its position display after the parallel projection conversion, can form 3-D view; (5) change observed ray, make it to observe the 3-D view of arbitrary portion.
Shown in Figure 5 is 360 ° of cylindrical pictures that launched by the panoramic picture in the aforesaid digitized image, and the coordinate of every bit is determined by (1) formula in this image, by obtaining the respective point in this image, just can obtain corresponding physical significance.For example be that definite structural plane occurrence need be obtained three points on the structural plane, find structural plane to be determined by 360 ° of cylindrical pictures that launch, obtain three points thereon, can calculate the method direction on the plane of forming by these three points according to the volume coordinate of these three points, if the Z component of method direction is a negative value is that the method direction is pointed to the bottom, then should get it in the other direction, assurance method direction is pointed to top, the angle of method direction and Z axle is the inclination angle of this structural plane just, and the method direction is the tendency that the projection on the surface level is this structural plane on the XY plane.

Claims (3)

1. digital panoramic borehole camera device of in being used to hole geological phenomenon being surveyed, it is made up of probe (6), degree of depth pulse producer (10), winch (9), image card (8), computer system (11); Catoptron in it is characterized in that popping one's head in is made pyramid type and butt, the centre-drilling hole of pyramid type reflective mirror, the north arrow surface of compass is coated with not reflectorized material of last layer in the probe, one deck reflectorized material is coated on the compass surface of compass, and panoramic picture and compass azimuth image merga pass cable (7) enter computing machine.
2. digital panoramic borehole camera device according to claim 1, the pyramid type catoptron in it is characterized in that popping one's head in is to be made by metal material.
3. mathematical expression panorama boring camera head according to claim 1, it is characterized in that: degree of depth pulse producer is made up of measuring wheel (12), photoelectric coding (13), controller (14), and depth value enters computing machine by cable.
CN 98232288 1998-12-29 1998-12-29 Digital panoramic drilling pick-up camera CN2354158Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 98232288 CN2354158Y (en) 1998-12-29 1998-12-29 Digital panoramic drilling pick-up camera

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Application Number Priority Date Filing Date Title
CN 98232288 CN2354158Y (en) 1998-12-29 1998-12-29 Digital panoramic drilling pick-up camera

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CN2354158Y true CN2354158Y (en) 1999-12-15

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100424321C (en) * 2006-03-27 2008-10-08 天地科技股份有限公司 Testing method and apparatus for geological mechanics parameter under coal mine
CN101482409B (en) * 2009-02-09 2010-08-18 吴志刚 Rock fissure direction and obliquity measuring method
CN102200415A (en) * 2011-05-19 2011-09-28 中南大学 Deep-hole blasting construction technology in fractured rocks
CN103362495A (en) * 2013-07-22 2013-10-23 中国科学院武汉岩土力学研究所 Hole panoramic image pair three-dimensional imaging method
CN103674963A (en) * 2013-11-15 2014-03-26 上海嘉珏实业有限公司 Tunnel detection device based on digital panoramic photography and detection method thereof
CN104359422A (en) * 2014-11-15 2015-02-18 中国科学院武汉岩土力学研究所 Device and method for detecting geometric outline of cavity through borehole camera shooting
CN104360562B (en) * 2014-12-10 2017-11-17 重庆地质仪器厂 Reflect axicon lens optical imaging system
CN110030939A (en) * 2019-04-04 2019-07-19 中铁十四局集团有限公司 A kind of country rock linear displacement measuring device and method

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100424321C (en) * 2006-03-27 2008-10-08 天地科技股份有限公司 Testing method and apparatus for geological mechanics parameter under coal mine
CN101482409B (en) * 2009-02-09 2010-08-18 吴志刚 Rock fissure direction and obliquity measuring method
CN102200415A (en) * 2011-05-19 2011-09-28 中南大学 Deep-hole blasting construction technology in fractured rocks
CN103362495A (en) * 2013-07-22 2013-10-23 中国科学院武汉岩土力学研究所 Hole panoramic image pair three-dimensional imaging method
CN103362495B (en) * 2013-07-22 2016-02-24 中国科学院武汉岩土力学研究所 Panoramic image pair three-dimensional formation method in a kind of hole
CN103674963A (en) * 2013-11-15 2014-03-26 上海嘉珏实业有限公司 Tunnel detection device based on digital panoramic photography and detection method thereof
CN104359422A (en) * 2014-11-15 2015-02-18 中国科学院武汉岩土力学研究所 Device and method for detecting geometric outline of cavity through borehole camera shooting
CN104359422B (en) * 2014-11-15 2018-02-02 中国科学院武汉岩土力学研究所 A kind of device and method of borehole camera detection cavity geometric profile
CN104360562B (en) * 2014-12-10 2017-11-17 重庆地质仪器厂 Reflect axicon lens optical imaging system
CN110030939A (en) * 2019-04-04 2019-07-19 中铁十四局集团有限公司 A kind of country rock linear displacement measuring device and method

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