CN1003738B - Optical instrument for determining rock compositions - Google Patents
Optical instrument for determining rock compositions Download PDFInfo
- Publication number
- CN1003738B CN1003738B CN86107175.1A CN86107175A CN1003738B CN 1003738 B CN1003738 B CN 1003738B CN 86107175 A CN86107175 A CN 86107175A CN 1003738 B CN1003738 B CN 1003738B
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- China
- Prior art keywords
- panel
- test plate
- video
- platform
- microcomputer
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention relates to an optical instrument for determining rock compositions, which is composed of a Fedorov desk, a color camera, a video board, a TV monitor, a microcomputer and output equipment. A translational device for thin pieces is arranged on the object desk of the Fedorov desk. A universal testing board is inserted into the testing board hole of a microscope on the Fedorov desk. In the present invention, the combination of quantitative calculation by a crystal optical theory and least square approximation is used for increasing the precision and the speed of the determination of the rock compositions. In general, the drawings of the rock compositions can be automatically obtained within 20 to 60 minutes. Additionally, the granularity determination and the centigrade content statistics of rocks can also be carried out by the optical instrument.
Description
A kind of optical instrument for determining rock compositions of measuring rock rock group.
The existing conventional method of measuring the rock group is that microscope is measured, the Fei Shi platform measures and X-ray-instrument for determining rock compositions is measured.Microscope is surveyed the rock group, needs two mutually perpendicular oriented thin sections, recovers the space preferential direction, with the naked eye measures by grain, and measuring a petrographic thin section need be with about 10 hour, can only manual mapping, and finding speed is slow.The Fei Shi platform is surveyed the rock group, needs last directed petrographic thin section, can only measure the space angle of each particle one by one, owing to measure by naked eyes, manual mapping, speed is slow, and the technical requirement height.X-ray-instrument for determining rock compositions is surveyed the rock group needs one to three oriented thin section, needs two to three hours, can manual mapping and computer mapping, and instrument costs an arm and a leg.The JGT type computing machine light pen image analyzer (seeing Chengdu Geology College's journal fourth phase nineteen eighty-two) that Lee's of Chengdu Geology College power etc. is succeeded in developing is made up of video camera, microscope, video case and microcomputer, its kinetic energy is to carry out that mineral granularity is measured and percentage composition is added up, but energy measurement rock group not.
Design a kind of energy fast measuring rock group, simple to operate, the optical instrument for determining rock compositions of measuring accuracy high energy computer mapping is a purpose of the present invention.
Optical instrument for determining rock compositions of the present invention is connected to form by Fei Shi platform (1), colour TV camera (2), video board (3), video monitor (4), microcomputer (5) and output device (6).On the screw of Fei Shi platform (1) compressing tablet hole thin slice translation device (7) is installed, Fei Shi platform (1) microscope test plate (panel) is inserted with an omnipotent test plate (panel) in the hole.Its syntagmatic is: connect colour TV camera (2) on Fei Shi platform (1) the lens barrel top opening, colour TV camera (2) video output (17) connects video board video input port (18), video board (3) video output (19) is connected on the video monitor (4), video board (3) is whole to be inserted in the total connecting groove of microcomputer (5), and microcomputer (5) connects output device (6).Its principle is according to quantitative crystal optics theory the image in the ken to be resolved into up to ten thousand pixels, each pixel is as a particle, be transformed into television signal through colour TV camera (2), by video board (3) television signal is transformed into numeral, by microcomputer (5) numeral is handled again, drawn petrofabric diagram automatically by output device (6) then.
Thin slice translation device (7) is made up of annular sheet (8) and U-shaped framework (9), be equipped with two locking pins (10) and translation screw (11) on the annular sheet (8), and having two fixed orifices (12), annular sheet (8) and U-shaped framework (9) can once be pressed into by metal or organic material.Three test plate (panel)s are arranged on the omnipotent test plate (panel) (13), and first test plate (panel) (14) selects for use quartz or gypsum material to make, and optical path difference is about 550 millimicrons, and second test plate (panel) (15) selects for use gypsum or muscovite material to make, and optical path difference is about 1100 millimicrons; The 3rd test plate (panel) selects for use the kalzit material to make, and optical path difference is about 2500～3000 millimicrons, and above-mentioned three test plate (panel) thickness are between the 0.02-0.07 millimeter, and omnipotent test plate (panel) (13) framework can once be pressed into by metal or organic material.
Accompanying drawing 1. optical instrument for determining rock compositions combination synoptic diagram.
Accompanying drawing 2. thin slice translation device planimetric maps.
Accompanying drawing 3. omnipotent test plate (panel) planimetric maps.
Description of drawings:
1. Fei Shi platform
2. colour TV camera
3. video board
4. TV monitor
5. microcomputer
6. output device
7. thin slice translation device
8. annular sheet
9.U shape framework
10. locking pin
11. translation screw
12. fixed orifice
13. omnipotent test plate (panel)
14. first test plate (panel)
15. second test plate (panel)
16. the 3rd test plate (panel)
17. colour TV camera video output
18. video board video input port
19. video board video delivery outlet
Embodiment 1
Petrographic thin section to be measured is placed on the Fei Shi platform thin slice translation device (7), insert omnipotent test plate (panel) first test plate (panel) (14), Fei Shi platform I axle is placed 0 ° of position, rotate thing platform to 0 ° position, strike any key of microcomputer (5), rotate 2n ° of thing platform again, strike any key of microcomputer (5), then Fei Shi platform I axle is turned clockwise 20 °, again the thing platform is placed 0 ° of position, repeat above-mentioned steps, obtain data, microcomputer (5) follow procedure calculates, and draws the uniaxial crystal petrofabric diagram automatically through output device (6).
Embodiment 2
Press embodiment 1 each operation steps complete operation, then Fei Shi platform I axle is returned 0 ° of position, and be rotated counterclockwise 20 °, again the thing platform is placed 0 ° of position, strike any key of microcomputer (5), rotate 2n ° of thing platform, strike any key of microcomputer (5), rotate 2n ° of thing platform again, strike any key of microcomputer (5), obtain data, microcomputer (5) follow procedure calculates, and draws the biaxial crystal petrofabric diagram automatically through output device (6).
The present invention adopts quantitative crystal optics Theoretical Calculation and least square fitting, has improved the measuring accuracy and the speed of rock group, generally can draw petrofabric diagram automatically in 20～60 minutes.In addition, use optical instrument for determining rock compositions of the present invention, also can carry out mineral granularity measurement and percentage composition statistics.
Claims (3)
1, a kind of optical instrument for determining rock compositions, by Fei Shi platform (1), colour TV camera (2), video board (3), video monitor (4), microcomputer (5) and output device (6) are formed, connect colour TV camera (2) on Fei Shi platform (1) the camera lens top opening, colour TV camera video output (17) connects video board video input port (18), video board video delivery outlet (19) is connected on the video monitor, video board (3) is whole to be inserted in microcomputer (5) bus duct, microcomputer (5) connects output device (6), it is characterized in that on the screw of Fei Shi platform (1) compressing tablet hole thin slice translation device (7) being installed, Fei Shi platform (1) microscope test plate (panel) is inserted with an omnipotent test plate (panel) (13) in the hole.
2, by the described optical instrument for determining rock compositions of claim 1, it is characterized in that thin slice translation device (7) is made up of annular sheet (8) and U type framework (9), be equipped with two locking pins (10) and translation screw (11) on the annular sheet (8), and having two fixed orifices (12), annular sheet (8) and U type framework (9) can once be pressed into by metal or organic material.
3, by the described optical instrument for determining rock compositions of claim 1, it is characterized in that three test plate (panel)s are arranged on the omnipotent test plate (panel) (13), first test plate (panel) (14) is selected for use quartzy and gypsum is made about 550 millimicrons of optical path differences; Second test plate (panel) (15) selects for use gypsum or white mica to make, about 1100 millimicrons of optical path differences; Second test plate (panel) (16) selects for use kalzit to make, about 2500～3000 millimicrons of optical path differences, and omnipotent test plate (panel) framework (20) once is pressed into by metal or organic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN86107175.1A CN1003738B (en) | 1986-11-01 | 1986-11-01 | Optical instrument for determining rock compositions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN86107175.1A CN1003738B (en) | 1986-11-01 | 1986-11-01 | Optical instrument for determining rock compositions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN86107175A CN86107175A (en) | 1987-11-11 |
| CN1003738B true CN1003738B (en) | 1989-03-29 |
Family
ID=4803496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN86107175.1A Expired CN1003738B (en) | 1986-11-01 | 1986-11-01 | Optical instrument for determining rock compositions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1003738B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100473968C (en) * | 2004-11-30 | 2009-04-01 | 中国科学院武汉岩土力学研究所 | Stress-water flow-ohemical coupled rock urpture process mesomechanic loading system |
| CN103439781B (en) * | 2013-09-06 | 2015-04-29 | 成都西图科技有限公司 | Polarizing microscopic image automatic acquisition and analysis device |
-
1986
- 1986-11-01 CN CN86107175.1A patent/CN1003738B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN86107175A (en) | 1987-11-11 |
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