CN109323653B - X-ray facula positioning instrument and positioning method thereof - Google Patents
X-ray facula positioning instrument and positioning method thereof Download PDFInfo
- Publication number
- CN109323653B CN109323653B CN201811352132.5A CN201811352132A CN109323653B CN 109323653 B CN109323653 B CN 109323653B CN 201811352132 A CN201811352132 A CN 201811352132A CN 109323653 B CN109323653 B CN 109323653B
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000000007 visual effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000004876 x-ray fluorescence Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/002—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates
Abstract
The invention discloses an X-ray facula positioning instrument, which comprises a CCD photosensitive plate, a baffle, an upper computer, a first CCD camera, a second CCD camera, a lens, a visible light and X-ray branching device, wherein the CCD photosensitive plate is arranged in the first CCD camera; the baffle is arranged outside the first CCD camera and is wrapped outside the CCD photosensitive plate; the upper computer is connected with the CCD photosensitive plate and is used for checking the position of the X-ray light spot; the second CCD camera is connected with the upper computer, the light inlet end of the lens is connected with the second CCD camera, and the light outlet end of the lens is connected with the visible light and X-ray branching device. The invention also discloses a positioning method based on the X-ray spot positioning instrument, and the technical effects of time-saving calibration, real-time visual observation of the position of the X-ray spot and accurate calibration position and shape are achieved by adopting the X-ray spot positioning instrument.
Description
Technical Field
The invention relates to an X-ray facula positioning instrument and a positioning method thereof.
Background
When an X-ray fluorescence spectrometer detects a sample, the specific position of the detected sample needs to be accurately known, X-ray is invisible light and cannot be directly observed by naked eyes or a camera, so that a coordinate is required to be calibrated on a camera display window, and the position and the size of X-ray irradiation are determined by the origin circle of the coordinate; the industry has been to determine the location and area of the X-ray radiation by irradiating the X-ray radiation onto a particular substance, continuously moving the substance and detecting the change in intensity of the reflected characteristic secondary rays by a detector, and then calibrating a coordinate. The detection equipment and the detection method have the following defects: 1. calibration is time-consuming; 2. the method is not intuitive, and the calibrated position and shape are easy to deviate.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the X-ray spot positioning instrument which is time-saving in calibration and capable of visually seeing the position of an X-ray spot in real time, and the calibrated position and shape are accurate.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: an X-ray facula positioning instrument comprises a CCD photosensitive plate, a baffle, an upper computer, a first CCD camera, a second CCD camera, a lens, a visible light and X-ray branching device, wherein the CCD photosensitive plate is arranged in the first CCD camera; the baffle is arranged outside the first CCD camera and is wrapped outside the CCD photosensitive plate; the upper computer is connected with the CCD photosensitive plate and is used for checking the position of the X-ray light spot; the second CCD camera is connected with the upper computer, the light inlet end of the lens is connected with the second CCD camera, and the light outlet end of the lens is connected with the visible light and X-ray branching device; the visible light and X-ray branching device comprises a well logging and a reflecting mirror, wherein a Z-direction through hole in the vertical direction and an X-direction through hole in the horizontal direction are formed in the well logging; the reflector is inserted into the logging and positioned in the X-direction through hole, and the reflector is provided with a vertical through hole which is vertically downward.
As a preferable scheme, a cross mark positioned at the photosensitive center of the CCD is arranged on one surface of the baffle plate, which is far away from the first CCD camera.
As a preferable scheme, X-rays are emitted from the bottom of the well logging from bottom to top after passing through the Z-direction through holes and the vertical through holes.
As a preferable scheme, a Y-direction through hole is formed in the side face of the well logging, and the Y-direction through hole is vertically communicated with the X-direction through hole and the Z-direction through hole in pairs.
As a preferable scheme, the visible light reaches the reflector from top to bottom and then is reflected 90 degrees to reach the inside of the Y-direction through hole of the well logging.
As a preferable scheme, the light emitting end of the lens is communicated with the Y-direction through hole.
A positioning method based on an X-ray facula positioning instrument comprises the following steps: firstly, a cross mark is drawn on the outside of a baffle by a CCD photosensitive center, the X-ray spot positioning instrument is placed on a test bench, the center of a cross coordinate displayed by a second CCD camera is arranged at an origin, the center of the cross mark on the baffle is overlapped with the origin by moving the X-ray spot positioning instrument, then the coordinate value of the X-ray spot positioning instrument can be reset according to the coordinate value of an X-ray spot displayed by a cross coordinate on an upper computer, and meanwhile, the cross coordinate displayed by the second CCD camera, the cross coordinate on the upper computer and the cross mark on the baffle are all overlapped, namely, the origin of the second CCD camera is consistent with the X-ray spot, and the position and the shape are determined according to the X-ray spot on the upper computer.
Compared with the prior art, the invention has the beneficial effects that: the invention has the advantages of time-saving calibration, real-time visual observation of the position of the X-ray light spot, and accurate calibration position and shape.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
fig. 2 is a schematic structural view of the present invention.
Detailed Description
The invention is further described below in connection with specific embodiments. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
Examples:
as shown in fig. 1-2, an X-ray spot positioning apparatus comprises a CCD photosensitive plate (not shown in the figure), a baffle 1, an upper computer 2, a first CCD camera 3, a second CCD camera 4, a lens 5, a visible light and X-ray branching device 6, wherein the CCD photosensitive plate is arranged in the first CCD camera 3; the baffle plate 1 is arranged outside the first CCD camera 3 and is wrapped outside the CCD photosensitive plate; the upper computer 2 is connected with the CCD photosensitive plate and is used for checking the position of the X-ray light spot; the second CCD camera 4 is connected with the upper computer 2, the light inlet end of the lens 5 is connected with the second CCD camera 4, and the light outlet end is connected with the visible light and X-ray branching device 6; the visible light and X-ray branching device 6 comprises a logging 61 and a reflecting mirror 62, wherein a Z-direction through hole 63 in the vertical direction and an X-direction through hole 64 in the horizontal direction are formed in the logging 61; the mirror 62 is inserted into the well 61 and is positioned in the X-direction through hole 64, and the mirror 62 is provided with a vertical through hole 65 vertically downward.
Specifically, a cross mark positioned at the photosensitive center of the CCD is arranged on one surface of the baffle plate 1, which is far away from the first CCD camera 3. Wherein, a common CCD camera can see a CCD photosensitive plate after removing the optical lens, and the CCD camera with the optical lens removed is the first CCD camera 3 in the invention; the baffle 1 in the invention is made of an organic matter which can block the X-ray but can block the visible light.
Specifically, the X-ray is emitted from the bottom of the well 61 through the Z-direction through hole 63 and the vertical through hole 65 from bottom to top.
Specifically, a Y-directional through hole 66 is formed on the side surface of the logging hole 61, and the Y-directional through hole 66 is vertically communicated with the X-directional through hole 64 and the Z-directional through hole 63 in pairs.
Specifically, the visible light reaches the mirror 62 from top to bottom and then is reflected 90 degrees to reach the inside of the Y-direction through hole 66 of the well 61.
Specifically, the light-emitting end of the lens 5 is communicated with the Y-direction through hole 66.
More specifically, the Y-direction through hole 66 is communicated with the lens 5, the visible light in the invention can be an image, a complete image can be obtained through the first CCD camera 3 on the well logging 61, because the depth of the image is shallow, the through holes cannot be imaged into the lens 5 or the CCD camera halfway, further, the visible light is obtained through the lens 5 or the CCD camera from the Y-direction through hole 66 of the well logging 61, and the X-ray is emitted from the bottom of the well logging 61 after passing through the Z-direction through hole 63 and the vertical through hole 65 from bottom to top.
A positioning method based on an X-ray facula positioning instrument comprises the following steps: firstly, a cross mark is drawn on the outside of the baffle plate 1 by using a CCD photosensitive center, the X-ray spot positioning instrument is placed on a test bench, the center of a cross coordinate displayed by the second CCD camera 4 is arranged at an origin, the center of the cross mark on the baffle plate 1 is overlapped with the origin by moving the X-ray spot positioning instrument, then the coordinate value of the X-ray spot positioning instrument can be reset according to the coordinate value of the X-ray spot displayed by the cross coordinate on the upper computer 2, and meanwhile, the cross coordinate displayed by the second CCD camera 4, the cross coordinate on the upper computer 2 and the cross mark on the baffle plate 1 are all overlapped, namely, the origin of the second CCD camera 4 is consistent with the X-ray spot, and the position and the shape are determined according to the X-ray spot on the upper computer 2.
In the invention, the X-ray light spot coordinate display software well known by those skilled in the art is installed in the upper computer for positioning display.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (3)
1. An X-ray facula positioning instrument, which is characterized in that: the device comprises a CCD photosensitive plate, a baffle, an upper computer, a first CCD camera, a second CCD camera, a lens, a visible light and X-ray branching device, wherein the CCD photosensitive plate is arranged in the first CCD camera;
the baffle is arranged outside the first CCD camera and is wrapped outside the CCD photosensitive plate; the upper computer is connected with the CCD photosensitive plate and is used for checking the position of the X-ray light spot; the second CCD camera is connected with the upper computer, the light inlet end of the lens is connected with the second CCD camera, and the light outlet end of the lens is connected with the visible light and X-ray branching device; the visible light and X-ray branching device comprises a well logging and a reflecting mirror, wherein a Z-direction through hole in the vertical direction and an X-direction through hole in the horizontal direction are formed in the well logging; the reflector is inserted into the logging and positioned in the X-direction through hole, and the reflector is provided with a vertical through hole which is vertically downward;
x-ray is emitted from the bottom of the well logging from bottom to top through the Z-direction through hole and the vertical through hole;
a Y-direction through hole is formed in the side face of the well logging, and the Y-direction through hole is vertically communicated with the X-direction through hole and the Z-direction through hole in pairs;
the visible light reaches the reflector from top to bottom and then is reflected by 90 degrees to reach the inside of the Y-direction through hole of the well logging;
the X-ray spot positioning instrument positioning method comprises the following steps of firstly drawing a cross mark on the outer surface of a baffle plate by using a CCD photosensitive center, placing the X-ray spot positioning instrument on a test bench, setting the center of a cross coordinate displayed by a second CCD camera at an origin, enabling the center of the cross mark on the baffle plate to coincide with the origin by moving the X-ray spot positioning instrument, resetting the coordinate value of the X-ray spot positioning instrument according to the value according to the coordinate value of an X-ray spot displayed by a cross coordinate on an upper computer, and simultaneously, overlapping the cross coordinate displayed by the second CCD camera, the cross coordinate on the upper computer and the cross mark on the baffle plate, namely enabling the origin of the second CCD camera to coincide with the X-ray spot, and determining the position and the shape according to the X-ray spot on the upper computer.
2. An X-ray spot locator according to claim 1, wherein: one surface of the baffle, which is far away from the first CCD camera, is provided with a cross mark positioned at the photosensitive center of the CCD.
3. An X-ray spot locator according to claim 2, wherein: the light-emitting end of the lens is communicated with the Y-direction through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811352132.5A CN109323653B (en) | 2018-11-14 | 2018-11-14 | X-ray facula positioning instrument and positioning method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811352132.5A CN109323653B (en) | 2018-11-14 | 2018-11-14 | X-ray facula positioning instrument and positioning method thereof |
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| CN109323653A CN109323653A (en) | 2019-02-12 |
| CN109323653B true CN109323653B (en) | 2024-03-08 |
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| CN109323653A (en) | 2019-02-12 |
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