CN101371787A - Device and method for testing light path system of radiographic detector - Google Patents
Device and method for testing light path system of radiographic detector Download PDFInfo
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- CN101371787A CN101371787A CNA2007100766190A CN200710076619A CN101371787A CN 101371787 A CN101371787 A CN 101371787A CN A2007100766190 A CNA2007100766190 A CN A2007100766190A CN 200710076619 A CN200710076619 A CN 200710076619A CN 101371787 A CN101371787 A CN 101371787A
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- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims description 4
- 230000005855 radiation Effects 0.000 claims abstract description 51
- 230000003287 optical effect Effects 0.000 claims abstract description 13
- 239000011521 glass Substances 0.000 claims description 19
- 210000001503 joint Anatomy 0.000 claims description 10
- 230000006378 damage Effects 0.000 abstract description 4
- 239000005337 ground glass Substances 0.000 abstract 4
- 238000005457 optimization Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000010998 test method Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The invention discloses a device for testing an optical path system of a radiation photography detector, which comprises a light source, a scintillation screen or ground glass, a reflector and a camera, wherein the light source is arranged at the upper end of the scintillation screen or the ground glass, the reflector is arranged at the lower end of the scintillation screen or the ground glass and forms a 45-degree angle with the scintillation screen or the ground glass, and the camera is arranged at the opposite end of the mirror surface of the reflector. The test device of the light path system of the radiographic detector uses the common light source to replace X rays, simplifies the test adjustment of the light path system of the radiographic detector into the position adjustment of the camera, and separates the test of the light path system of the radiographic detector onto the test device, thereby avoiding the damage of the X rays to personnel and equipment and greatly improving the test efficiency of the light path system of the radiographic detector.
Description
Technical field
The present invention relates to the radiation photograph detector technical field, be specifically related to a kind of radiation photograph detector light path system device and method of testing.
Background technology
As depicted in figs. 1 and 2, the radiation photograph detector image-forming principle is: after lonizing radiation penetrate object (human body, baggages, industrial part etc.), this ray with internal structure of body image information is projected on the scintillation screen of special material making, scintillation screen converts this black light of X ray to visible light, this then visible light is directly received by camera or is received by camera after mirror reflects, and optical signal is transferred to image workstation through the switching processing and stores and show.
The irradiation image detector in development and production process, the test of its light path system be the most basic in all tests also be most important test, test the coordinate values of camera repeatedly, to obtain optimum picture quality with respect to scintillation screen.Do not having under the situation of test set, then product is thrown photograph repeatedly through X ray, constantly adjusts the camera coordinate position, till adjusting to the image optimum state.Test is adjusted like this, carry out X ray continually and throw photograph, and bigger to people and equipment damage, parts are more in the product besides, and operation is adjusted very loaded down with trivial details, inefficiency.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of radiation photograph detector light path system device and method of testing, overcome prior art when carrying out radiation photograph detector light path system, must utilize the radiation photograph detector entity to test, equipment and personnel are subjected to X-ray injury easily, and the parts adjustment in the test process is very loaded down with trivial details, the defective that testing efficiency is low.
The present invention solves the problems of the technologies described above the technical scheme that is adopted to be:
A kind of radiation photograph detector light path system device, comprise light source, scintillation screen or the clouded glass, reflecting mirror, the camera that are placed on the support, described light source is arranged at the upper end of described scintillation screen or clouded glass, described reflecting mirror is arranged at the lower end of described scintillation screen or clouded glass, and being miter angle with described scintillation screen or clouded glass, described camera is arranged at the opposite end of described mirror mirror.
The further optimization of described radiation photograph detector light path system device is: also comprise lamp box cover, described light source is positioned at the inside of described lamp box cover, the described scintillation screen of uncovered butt joint or the clouded glass of described lamp box cover.
The further optimization of described radiation photograph detector light path system device is: also comprise the light cross box, the described scintillation screen of uncovered butt joint or the clouded glass of described light cross box, described reflecting mirror is arranged on the interior diagonal of described light cross box, on the case face of described light cross box with respect to described camera loophole is set.
The further optimization of described radiation photograph detector light path system device is: also comprise the camera camera bellows, described camera is positioned at described camera camera bellows inside, the described light cross box of the uncovered butt joint of described camera camera bellows.
The further optimization of described radiation photograph detector light path system device is: also comprise the adjustment support, described camera is positioned on the described adjustment support, and described adjustment is propped up and is placed on described camera camera bellows inside.
The further optimization of described radiation photograph detector light path system device is: described light source is made as daylight lamp.
A kind of radiation photograph detector light path system method, setting is as the arbitrary described radiation photograph detector light path system device of claim 1 to 6 and carry out following steps:
A1, start described test set, use the described reflecting mirror of described light source irradiation;
The intersection point of A2, adjustment camera lens optical axis and reflecting mirror is to the distance D of camera lens, up to the image of described camera clear display;
The intersection point of A3, record camera lens optical axis and reflecting mirror is to the distance D of camera lens;
A4, be placed to described camera in the radiation photograph detector light path system after, adjust camera position according to described distance D.
Beneficial effect of the present invention is: because radiation photograph detector light path system device of the present invention uses ordinary light source to substitute X ray, and the test adjustment of radiation photograph detector light path system is reduced to position adjustment to camera, the test of radiation photograph detector light path system is separated on the test set carries out, therefore avoided the injury of X ray to personnel and equipment, improved the testing efficiency of radiation photograph detector light path system greatly, radiation photograph detector light path system device of the present invention can also be as the testing tool of scintillation screen quality quality, this has saved cost equally, has improved detection efficiency.
Description of drawings
Fig. 1 is one of prior art radiation photograph detector image-forming principle sketch map;
Fig. 2 is two of a prior art radiation photograph detector image-forming principle sketch map;
Fig. 3 is a radiation photograph detector light path system sketch map of the present invention;
Fig. 4 is a radiation photograph detector light path system device sketch map of the present invention;
Fig. 5 is a radiation photograph detector light path system device lamp box sketch map of the present invention;
Fig. 6 is a radiation photograph detector light path system device light cross box sketch map of the present invention;
Fig. 7 adjusts the support sketch map for radiation photograph detector light path system device of the present invention;
Fig. 8 is a radiation photograph detector light path system device camera camera bellows sketch map of the present invention.
The specific embodiment
With embodiment the present invention is described in further detail with reference to the accompanying drawings below:
As shown in Figure 3, the X-ray line incides search coverage during radiation photograph detector light path system work, converted to visible light by scintillator after passing testee, be reflected again mirror (45 ° of inclinations) reflection of visible light, through the imaging on the CCD chip of camera optics lens focus, just can obtain the image of human body.Wherein: d: the plane mirror axial dimension, d1: camera lens optical axis is to the vertical dimension of detection plane, d2: the intersection point of camera lens optical axis and reflecting mirror is to the distance of optical center, θ: the angle of view, L: object distance, L ': image distance, calculation of parameter: if lens focus is f, search coverage is of a size of a * a mm, and the CCD chip size is b * b mm, object distance L=d1+d2=f (1+a/b) then, image distance L '=f (1+b/a).Can calculate d, d1, d2 by angle of view θ and triangle geometry knowledge again.In radiation photograph detector, the position relation of detection plane and reflecting mirror is fixed, in the debugging of actual light path, intersection point that can be by adjusting camera lens optical axis and reflecting mirror obtains image clearly to the distance D of camera lens, and generally the adjustment numerical value of distance D is all near the d2 theoretical value.According to above-mentioned analysis, now radiation photograph detector light path system is arranged in the radiation photograph detector light path system device of the present invention, using ordinary light source to substitute X-ray tests, and the d2 value of record measurement, then after installing to camera on the radiation photograph detector, according to the riding position of the definite camera of d2 value, can finish radiation photograph detector light path system debugging work soon.
As Fig. 4, Fig. 5, Fig. 6, Fig. 7 and shown in Figure 8, radiation photograph detector light path system device of the present invention comprises daylight lamp 5, scintillation screen or clouded glass 9, reflecting mirror 12, camera 13, daylight lamp 5 is arranged at the upper end of scintillation screen or clouded glass 9, reflecting mirror 12 is arranged at the lower end of scintillation screen or clouded glass 9, and being miter angle with scintillation screen or clouded glass 9, camera 13 is arranged at the opposite end of reflecting mirror 12 minute surfaces.
The embodiment of radiation photograph detector light path system device of the present invention comprises lamp box cover 1, light cross box 2, adjusts support 3 and camera camera bellows 4, adjust support 3 and be positioned at camera camera bellows 4 inside, the casing edge of lamp box cover 1, light cross box 2 and camera camera bellows 4 is fixed together by screw, 4 daylight lamp 5 are set, lamp box cover 1 outer setting lamp switch 6 and power line and plug 7 in the lamp box cover 1.The uncovered butt joint scintillation screen or the clouded glass 9 of lamp box cover 1.Light cross box 2 comprises the uncovered butt joint scintillation screen or the clouded glass 9 of scintillation screen or clouded glass gland 8, light cross box 2, light cross box 2 is divided into cross box 10 and cross box 11 again, reflecting mirror 12 is arranged on the diagonal of cross box 10 and cross box 11 butt joint back formation, on the case face of light cross box 2 with respect to camera loophole is set.The uncovered butt joint light cross box 2 of camera camera bellows 4.Adjust and place camera 13 on the support 3.
This test set is transplanted to the test set with same space structure to the parts of wherein light path system and optical test path and is finished.And, test camera image with lamp box visible light replacement x ray, and obtaining the test result of optimized image, the safety of people and equipment is guaranteed, and has simplified operation.Radiation photograph detector light path system device of the present invention can also be as the testing tool of scintillation screen quality quality, and this has saved cost equally, has improved detection efficiency.
The present invention carries out following steps according to above-mentioned radiation photograph detector light path system device when testing:
A1, start described test set, use the described reflecting mirror of described light source irradiation;
The intersection point of A2, adjustment camera lens optical axis and reflecting mirror is to the distance D of camera lens, up to the image of described camera clear display;
The intersection point of A3, record camera lens optical axis and reflecting mirror is to the distance D of camera lens;
A4, be placed to described camera in the radiation photograph detector light path system after, adjust camera position according to described distance D.
Those skilled in the art do not break away from essence of the present invention and spirit, can there be the various deformation scheme to realize the present invention, the above only is the preferable feasible embodiment of the present invention, be not so limit to interest field of the present invention, the equivalent structure that all utilizations description of the present invention and accompanying drawing content are done changes, and all is contained within the interest field of the present invention.
Claims (7)
1. radiation photograph detector light path system device, it is characterized in that: comprise light source, scintillation screen or the clouded glass, reflecting mirror, the camera that are placed on the support, described light source is arranged at the upper end of described scintillation screen or clouded glass, described reflecting mirror is arranged at the lower end of described scintillation screen or clouded glass, and being miter angle with described scintillation screen or clouded glass, described camera is arranged at the opposite end of described mirror mirror.
2. radiation photograph detector light path system device according to claim 1 is characterized in that: also comprise lamp box cover, described light source is positioned at the inside of described lamp box cover, the described scintillation screen of uncovered butt joint or the clouded glass of described lamp box cover.
3. radiation photograph detector light path system device according to claim 2, it is characterized in that: also comprise the light cross box, the described scintillation screen of uncovered butt joint or the clouded glass of described light cross box, described reflecting mirror is arranged on the interior diagonal of described light cross box, on the case face of described light cross box with respect to described camera loophole is set.
4. radiation photograph detector light path system device according to claim 3 is characterized in that: also comprise the camera camera bellows, described camera is positioned at described camera camera bellows inside, the described light cross box of the uncovered butt joint of described camera camera bellows.
5. radiation photograph detector light path system device according to claim 4 is characterized in that: also comprise the adjustment support, described camera is positioned on the described adjustment support, and described adjustment is propped up and is placed on described camera camera bellows inside.
6. according to the arbitrary described radiation photograph detector light path system device of claim 1 to 5, it is characterized in that: described light source is made as daylight lamp.
7. a radiation photograph detector light path system method is characterized in that, setting is as the arbitrary described radiation photograph detector light path system device of claim 1 to 6 and carry out following steps:
A1, start described test set, use the described reflecting mirror of described light source irradiation;
The intersection point of A2, adjustment camera lens optical axis and reflecting mirror is to the distance D of camera lens, up to the image of described camera clear display;
The intersection point of A3, record camera lens optical axis and reflecting mirror is to the distance D of camera lens;
A4, be placed to described camera in the radiation photograph detector light path system after, adjust camera position according to described distance D.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007100766190A CN101371787B (en) | 2007-08-24 | 2007-08-24 | Device and method for testing light path system of radiographic detector |
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| CN2007100766190A CN101371787B (en) | 2007-08-24 | 2007-08-24 | Device and method for testing light path system of radiographic detector |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937510A (en) * | 2012-11-12 | 2013-02-20 | 中国科学院高能物理研究所 | Performance testing device aiming at X-ray scintillation screen |
| CN103528610A (en) * | 2013-10-30 | 2014-01-22 | 苏州晋翌生物医学仪器有限公司 | Reflective photoelectric sensing device |
| US9500600B2 (en) | 2012-07-20 | 2016-11-22 | Hamamatsu Photonics K.K. | Radiation image acquisition system |
| CN110123363A (en) * | 2019-05-13 | 2019-08-16 | 飞瑞医疗器械(嘉兴)有限公司 | Beam-defining clipper and X-ray production apparatus |
| CN111221157A (en) * | 2020-01-16 | 2020-06-02 | 深圳谦华益科技有限公司 | LCD display detection system with optical scanning |
| US10746884B2 (en) | 2011-01-25 | 2020-08-18 | Hamamatsu Photonics K.K. | Radiation image acquisition device |
| US10859715B2 (en) | 2015-09-30 | 2020-12-08 | Hamamatsu Photonics K.K. | Radiation image acquisition system and radiation image acquisition method |
Families Citing this family (1)
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| CN106125368A (en) * | 2016-08-26 | 2016-11-16 | 深圳市华星光电技术有限公司 | The flicker degree detection device of a kind of display floater and detection method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2310319Y (en) * | 1997-08-29 | 1999-03-10 | 中国科学院上海原子核研究所 | Laser positioner for X-ray microprobe |
| CN2537974Y (en) * | 2002-04-30 | 2003-02-26 | 南通科电电子高技术有限公司 | Digital X-ray image detector |
| CN1212726C (en) * | 2003-04-18 | 2005-07-27 | 清华大学 | Digitized flashy X ray imaging system with multiple channels |
| CN201184838Y (en) * | 2007-08-24 | 2009-01-21 | 深圳市蓝韵实业有限公司 | Test device for light path system of radiation photograph detector |
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2007
- 2007-08-24 CN CN2007100766190A patent/CN101371787B/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10746884B2 (en) | 2011-01-25 | 2020-08-18 | Hamamatsu Photonics K.K. | Radiation image acquisition device |
| US9500600B2 (en) | 2012-07-20 | 2016-11-22 | Hamamatsu Photonics K.K. | Radiation image acquisition system |
| CN102937510A (en) * | 2012-11-12 | 2013-02-20 | 中国科学院高能物理研究所 | Performance testing device aiming at X-ray scintillation screen |
| CN103528610A (en) * | 2013-10-30 | 2014-01-22 | 苏州晋翌生物医学仪器有限公司 | Reflective photoelectric sensing device |
| US10859715B2 (en) | 2015-09-30 | 2020-12-08 | Hamamatsu Photonics K.K. | Radiation image acquisition system and radiation image acquisition method |
| US11237278B2 (en) | 2015-09-30 | 2022-02-01 | Hamamatsu Photonics K.K. | Radiation image acquisition system and radiation image acquisition method |
| CN110123363A (en) * | 2019-05-13 | 2019-08-16 | 飞瑞医疗器械(嘉兴)有限公司 | Beam-defining clipper and X-ray production apparatus |
| CN110123363B (en) * | 2019-05-13 | 2024-04-12 | 飞瑞医疗器械(嘉兴)有限公司 | Beam limiter and X-ray machine |
| CN111221157A (en) * | 2020-01-16 | 2020-06-02 | 深圳谦华益科技有限公司 | LCD display detection system with optical scanning |
| CN111221157B (en) * | 2020-01-16 | 2023-03-07 | 深圳谦华益科技有限公司 | LCD display detection system with optical scanning |
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| CN101371787B (en) | 2010-09-15 |
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Denomination of invention: Device and method for testing radiation photograph detector light path system Effective date of registration: 20141128 Granted publication date: 20100915 Pledgee: Shenzhen Chaoshang microfinance Ltd. Pledgor: Landwind Co., Ltd. Registration number: 2014440000016 |
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Date of cancellation: 20150316 Granted publication date: 20100915 Pledgee: Shenzhen Chaoshang microfinance Ltd. Pledgor: Landwind Co., Ltd. Registration number: 2014440000016 |
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Effective date of registration: 20151229 Address after: 518000, Guangdong, Shiyan City, Shenzhen province Baoan District Stone Street neighborhood committee, brick village, Liyuan Industrial Zone, hung long hi tech Industrial Park (blue rhyme Industrial Park), 2, 1 floor Patentee after: Shenzhen blue ribbon medical imaging Co., Ltd. Address before: Futian District King Road Shenzhen city Guangdong province 518034 No. 81 country garden building E 601 Patentee before: Landwind Co., Ltd. |
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Address after: No.103, baguang District Service Center, No.2 BaiShaWan Road, baguang community, Kuiyong street, Dapeng New District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Lanying Medical Technology Co.,Ltd. Address before: 518000 Shenzhen, Baoan District, Guangdong Shiyan street, Lang Xin neighborhood committee, brick factory village, Liyuan Industrial Zone, hung lung hi tech Industrial Park (blue Yun Industrial Park), 1 1 buildings. Patentee before: SHENZHEN LANYUN MEDICAL IMAGE CO.,LTD. |
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