CN109387160A - Object surface contour measuring device and method in nuclear radiation environment - Google Patents
Object surface contour measuring device and method in nuclear radiation environment Download PDFInfo
- Publication number
- CN109387160A CN109387160A CN201811415985.9A CN201811415985A CN109387160A CN 109387160 A CN109387160 A CN 109387160A CN 201811415985 A CN201811415985 A CN 201811415985A CN 109387160 A CN109387160 A CN 109387160A
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- radiation shielding
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- shielding shell
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- 230000005855 radiation Effects 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000005259 measurement Methods 0.000 claims abstract description 43
- 238000009434 installation Methods 0.000 claims abstract description 17
- 239000011521 glass Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 2
- 239000005355 lead glass Substances 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 229910000978 Pb alloy Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000007787 solid Substances 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
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
本发明公开了一种在核辐射环境下的物体表面轮廓测量装置和方法，属于核工业测量设备领域，测量装置包括辐射屏蔽壳体(1)、测量模块(2)、安装壳体(3)和控制处理系统(4)。测量模块(2)安装在安装壳体(3)上，安装壳体(3)安装在辐射屏蔽壳体(1)上。本发明主要用于核辐射的环境下，对待测件表面轮廓进行测量。使用上述核辐射环境下的物体表面轮廓测量装置实现在核辐射环境下对待测件表面轮廓进行高精度的测量，同时该设备具备一定耐辐射能力，结构紧凑，操作简便，适应性和抗干扰强，可获取不同形状待测件的表面轮廓参数。
The invention discloses a device and a method for measuring the surface profile of an object in a nuclear radiation environment, belonging to the field of nuclear industry measuring equipment. The measuring device comprises a radiation shielding shell (1), a measuring module (2), and an installation shell (3). and control the processing system (4). The measurement module (2) is mounted on the mounting shell (3), and the mounting shell (3) is mounted on the radiation shielding shell (1). The invention is mainly used for measuring the surface contour of the object to be measured under the environment of nuclear radiation. Using the above-mentioned object surface profile measurement device in the nuclear radiation environment to achieve high-precision measurement of the surface profile of the object to be tested in the nuclear radiation environment, the device has certain radiation resistance, compact structure, easy operation, strong adaptability and anti-interference. , the surface profile parameters of the DUT with different shapes can be obtained.
Description
Technical field
The invention belongs to measuring device field, it is specifically related to profiling object surface measuring device under a kind of nuclear radiation environment
And method.
Background technique
At nuclear industry scene, the measurement that certain parts to be measured are carried out with surface profile parameters is generally required, such as sectional dimension is cut
Face deflection, overall size etc., measurement can be generally divided into contact type measurement and non-contact measurement, and contact type measurement is generally
Special equipment measurement, such as three coordinate measuring machine, non-contact measurement are generally based on optics, photoelectronics and photoelectricity test skill
The measurement method of art.
To the measurement of part to be measured in the environment of nuclear radiation, such as radioactive fuel, the workpiece appearance profile being activated
Measurement etc. mostly uses dedicated contact type measurement equipment at present, and higher cost, system complex, volume and weight are big, operation is multiple
It is miscellaneous, it is poor to the part adaptability to be measured of different cross section type.
Summary of the invention
The technical problems to be solved by the present invention are: provide a kind of measuring device to nontransparent part surface profile to be measured and
Its measurement method, realization carry out real-time, stable, high-precision measurement to part profile to be measured under nuclear radiation environment.It will
Vision measurement module is mounted in a radiation shield shell, and part to be measured is placed in the measurement range of measuring device, passes through
The intersection of laser plane and workpiece for measurement surface profile is acquired, and obtains the letter in workpiece for measurement intersection by image capture module
Breath calculates cross section profile data by controlling processing system, realizes the measurement of part surface profile to be measured.
The technical solution adopted by the present invention to solve the technical problems is:
Profiling object surface measuring device under a kind of nuclear radiation environment, including measurement module, installation shell, radiation shield shell
Body and control processing system.The measurement module is mounted on installation shell, and the installation shell is installed on radiation shield shell
Interior, the measurement module is electrically connected with control processing system.
Further, the measurement module mainly includes the line laser projector, image capture module, non-browning glass, survey
Module mounting plate is measured, the laser projecting apparatus is used for laser projection to part surface to be measured, and intersects shape with profiling object surface
At striation；Described image acquisition module for above-mentioned striation to be imaged, image sensor types can be CCD or
CMOS；The laser projecting apparatus and in a certain angle be mounted on of image capture module are installed on shell.
Further, the non-browning glass is installed on installation shell, and the non-browning glass is the height of nuclear industry
Density lead glass.
Further, the radiation shield shell is used for radiation shield, including radiation shield case front plate, radiation shield shell
Body left plate, radiation shield shell back plate, radiation shield shell upper plate, radiation shield shell right side plate, radiation shield shell bottom
Plate, each part are bolted as a cavity.The radiation shield case front plate is provided with watch window.
Further, the radiation shield shell is process using high atomic number material, such as tungsten, lead, copper alloy.
Further, calculating of the control processing system for image procossing and relevant calculation model.
The method that profiling object surface measures under above-mentioned nuclear radiation environment, comprising the following steps:
A. contour outline measuring set is mounted on workbench, object under test is placed in measurement range；
B. starting control processing system, laser projecting apparatus projects laser and part surface profile to be measured forms striation, and image is adopted
Collect module automatic collection striation information, and image data is transmitted to control processing system in real time, is calculated by control processing system
Object under test outline data out.
C. after completing step B, if other objects need to be measured, repeatedly step A, B.
Further, the workbench in the step A can be fixed work stage, and it is flat to be also possible to accurate movement
Platform etc..When carrying out the whole surface profile measurement of part to be measured, it can be that part to be measured is fixed and contour outline measuring set is mounted on
On mobile platform, increase third dimension coordinate by traverse measuring device；It is also possible to that measuring device is fixed and workpiece is logical
It is mobile to cross mobile platform, concrete condition can be according to the characteristics of part to be measured and the use space of equipment etc. is because usually selecting.
The beneficial effects of the present invention are: being realized using the profiling object surface measuring device under above-mentioned nuclear radiation environment in core
High-precision measurement is carried out to part surface profile to be measured under radiation environment, while the equipment has certain radiation hardness ability, structure
Compact, easy to operate, adaptability and anti-interference strong can obtain the surface profile parameters of different shape part to be measured.
Detailed description of the invention
Fig. 1 is the schematic diagram of the profiling object surface measuring device under a kind of nuclear radiation environment of the present invention；
Fig. 2 is the radiation shield shell signal of the profiling object surface measuring device under a kind of nuclear radiation environment of the present invention
Figure；
Fig. 3 is the measurement module schematic diagram of the profiling object surface measuring device under a kind of nuclear radiation environment of the present invention；
Fig. 4 is the measuring principle schematic diagram of the profiling object surface measuring device under a kind of nuclear radiation environment of the present invention；
Appended drawing reference in figure are as follows: radiation shield shell 1, measurement module 2, installation shell 3, control processing system 4, radiation shield
Cover case front plate 101, radiation shield shell left plate 102, radiation shield shell back plate 103, radiation shield shell upper plate 104,
Radiation shield shell right side plate 105, radiation shield Housing Base 106, laser projecting apparatus 201, image capture module 202, measurement
Module mounting plate 203, non-browning glass 204.
Specific embodiment
The following further describes the present invention with reference to the drawings:
As shown in Figure 1, described be used under radiation environment to workpiece surface contour outline measuring set to be measured, including radiation shield shell
Body 1, measurement module 2, installation shell 3, control processing system 4.Measurement module 2 is fixed on installation shell 3, and installation shell 3 is solid
Due in radiation shield shell 1.
As shown in Fig. 2, since the radiation shield shell 1 includes radiation shield case front plate 101, a radiation shield shell left side
Side plate 102, radiation shield shell back plate 103, radiation shield shell upper plate 104, radiation shield shell right side plate 105, radiation shield
Housing Base 106 is covered, each plate of radiation shield shell 1 is attached to form closed shell by screw, while radiation shield
Case front plate 101 is provided with watch window.
As shown in figure 3, measurement module 2 mainly includes laser projecting apparatus 201, image capture module 202, measurement module installation
Plate 203, non-browning glass 204.Laser projecting apparatus 201 and image capture module 202 are fixed on measurement module mounting plate 203,
The two need to arrange at an angle simultaneously, laser projecting apparatus 201 and 204 right angle setting of non-browning glass.Measurement module mounting plate
203 and non-browning glass 204 be fixed on installation shell 3 on.
Laser projecting apparatus 201 can be red laser, green laser, blue laser etc., image capture module 202
It can be ccd image sensor or cmos image sensor.
The measurement method of profiling object surface measuring device under above-mentioned nuclear radiation environment, comprising the following steps:
A. contour outline measuring set is mounted on workbench, object under test is placed in measurement range；
Workbench can be fixed work stage, be also possible to accurate mobile platform etc..Carry out the entire of part to be measured
When surface profile measurement, can be that part to be measured is fixed and contour outline measuring set installation on a mobile platform, pass through mobile survey
Device is measured to increase third dimension coordinate；It is also possible to that measuring device is fixed and workpiece mobile, the specific feelings that pass through mobile platform
Condition can be according to the characteristics of part to be measured and the use space of equipment etc. is because usually selecting.
B. starting control processing system 4, laser projecting apparatus 201 projects laser and part surface profile to be measured forms striation, figure
Image data is transmitted to control processing system 4 as 202 automatic collection striation information of acquisition module, and in real time, by control system 4
Calculate object under test outline data.
C. after completing step B, if other objects need to be measured, repeatedly step A, B.
The beneficial effects of the present invention are: being realized using the profiling object surface measuring device under above-mentioned nuclear radiation environment in core
High-precision measurement is carried out to part surface profile to be measured under radiation environment, while the equipment has certain radiation hardness ability, structure
Compact, easy to operate, adaptability and anti-interference strong can obtain the surface profile parameters of different shape part to be measured.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811415985.9A CN109387160A (en) | 2018-11-26 | 2018-11-26 | Object surface contour measuring device and method in nuclear radiation environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811415985.9A CN109387160A (en) | 2018-11-26 | 2018-11-26 | Object surface contour measuring device and method in nuclear radiation environment |
Publications (1)
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| CN109387160A true CN109387160A (en) | 2019-02-26 |
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| CN201811415985.9A Pending CN109387160A (en) | 2018-11-26 | 2018-11-26 | Object surface contour measuring device and method in nuclear radiation environment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111006610A (en) * | 2019-12-13 | 2020-04-14 | 中国科学院光电技术研究所 | An underwater 3D measurement data correction method based on structured light 3D measurement |
| CN113654476A (en) * | 2021-08-12 | 2021-11-16 | 上海交通大学 | Irradiation-resistant underwater deformation vision measurement unit and measurement method |
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| CN104180769A (en) * | 2013-05-22 | 2014-12-03 | 康耐视公司 | Systems and methods for efficient surface measurement using laser displacement sensors |
| US20170254639A1 (en) * | 2014-05-27 | 2017-09-07 | Generic Power Ptd Ltd | Methods of inspecting a 3d object using 2d image processing |
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| CN113654476A (en) * | 2021-08-12 | 2021-11-16 | 上海交通大学 | Irradiation-resistant underwater deformation vision measurement unit and measurement method |
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Application publication date: 20190226 |