CN215599373U - Surface alpha and beta radioactive pollution point measuring device - Google Patents
Surface alpha and beta radioactive pollution point measuring device Download PDFInfo
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- CN215599373U CN215599373U CN202121392895.XU CN202121392895U CN215599373U CN 215599373 U CN215599373 U CN 215599373U CN 202121392895 U CN202121392895 U CN 202121392895U CN 215599373 U CN215599373 U CN 215599373U
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- 238000003904 radioactive pollution Methods 0.000 title abstract description 4
- 238000005259 measurement Methods 0.000 claims abstract description 52
- 238000011109 contamination Methods 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000000007 visual effect Effects 0.000 claims abstract description 16
- 230000002285 radioactive effect Effects 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims abstract description 5
- 230000005250 beta ray Effects 0.000 claims description 9
- 230000005260 alpha ray Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 abstract description 34
- 238000000034 method Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a surface alpha and beta radioactive contamination point measuring device, which comprises a conveyor belt, wherein the conveyor belt transversely extends along the Y-axis direction and is used for conveying a measured object; the mounting base is arranged above the conveying belt, and is provided with a point measurement unit, a distance measurement unit and a visual capture unit, wherein the action ends of the point measurement unit, the distance measurement unit and the visual capture unit are all arranged towards the conveying belt; the position adjusting mechanism is used for controlling the mounting seat to move along the X-axis direction and the Z-axis direction; and the control unit is electrically connected with the visual capture unit, the distance measurement unit, the position adjustment unit and the point measurement unit. The point measurement device is high in automation degree, can quickly, efficiently and accurately detect the surface pollution of an object, and effectively avoids the problems of low precision, poor standardization and easy radioactive pollution caused by manual detection.
Description
Technical Field
The utility model relates to the technical field of radiation surface pollution detection, in particular to a surface alpha and beta radioactive pollution spot detection device.
Background
In the measurement of environmental radiation, direct or indirect measurement of surface contamination of an object is important to find out in time whether there is contamination or not in order to take decision-making action. The basic requirements for surface contamination measurement are to find in time whether there is contamination, to determine the location and extent of the contamination sites, and to give a measure of the amount of contaminating nuclides in the contaminated area.
In the prior art, a surface pollution detection instrument is adopted to detect the surface pollution of an object, the object is placed at a certain distance from the detection instrument during detection, an operator holds the detection instrument by hand to take a plurality of detection points on the surface of the object for detection, and the highest detection value is used as the surface pollution value of the detected object.
The detection method in the prior art adopts manual handheld detection, cannot accurately control the distance between a detection instrument and a detected object, and is easy to adjust the distance between the instrument and the object when switching among different detection points, so that the error of a final detection value is caused; and the problem of radioactive contamination is easy to occur in manual detection.
Therefore, it is necessary to develop a surface α, β radioactive contamination spot measuring device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a surface alpha and beta radioactive contamination spot detection device, which solves the technical problems that the detection method in the prior art adopts manual handheld detection, cannot accurately control the distance between a detection instrument and a detected object, causes errors of final detection numerical values, and is easy to generate radioactive contamination.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a surface alpha, beta radioactive contamination spot measuring device, comprising:
the conveying belt transversely extends along the Y-axis direction and is used for conveying a measured object;
the mounting base is arranged above the conveying belt, a point measurement unit, a distance measurement unit and a visual capture unit are arranged on the mounting base, action ends of the point measurement unit, the distance measurement unit and the visual capture unit are all arranged towards the conveying belt, the point measurement unit is used for detecting surface pollution of a measured object, the distance measurement unit is used for measuring the distance between the point measurement unit and the measured object, and the visual capture unit is used for capturing an image of the measured object;
the position adjusting mechanism is used for controlling the mounting seat to move along the X-axis direction and the Z-axis direction;
and the control unit is electrically connected with the visual capture unit, the distance measurement unit, the position adjusting unit and the point measurement unit, and is used for receiving signals of the visual capture unit and the distance measurement unit to control the position adjusting unit and the point measurement unit to work.
Compared with the prior art, the utility model has the beneficial effects that:
the mounting base is arranged above a conveyor belt and is controlled to move along the X-axis direction and the Z-axis direction by the position adjusting unit, when an object to be measured reaches the lower part of the mounting base, the object to be measured is captured by the visual capturing unit and information is fed back to the control unit, the control unit carries out edge analysis on the captured image to construct area information of the object to be measured, then random point acquisition can be carried out to confirm the positions of a plurality of detection points, the position adjusting unit is used for controlling the point measuring unit to reach the corresponding point acquisition positions, meanwhile, the distance measuring unit is used for detecting the distance between the distance measuring unit and the object to be measured at all times and feeding back the information to the control unit, the control unit controls the point measuring unit to be at a certain distance from the detection points by the position adjusting unit according to the distance information, and the point measuring unit is used for carrying out surface pollution point measurement to obtain a measured value.
The detection device provided by the utility model has higher automation degree, can be used for rapidly, efficiently and accurately detecting the surface pollution of an object, and effectively avoids the problems of low precision and poor standardization caused by manual detection.
On the basis of the technical scheme, the utility model can be further improved as follows:
furthermore, the position adjusting unit comprises a bracket erected on the conveyor belt, an X-axis guide rail is arranged at the top of the bracket, a sliding seat slides on the X-axis guide rail, and the sliding seat is controlled by an X-axis driving mechanism to slide along the X-axis guide rail; the sliding seat is provided with a Z-axis guide rail, the mounting seat slides on the Z-axis guide rail, and the mounting seat is controlled by a Z-axis driving mechanism to slide along the Z-axis guide rail.
Further, the X-axis driving mechanism comprises an X-axis motor installed at the control end of the X-axis guide rail.
Furthermore, the Z-axis driving mechanism comprises a Z-axis motor installed at the control end of the Z-axis guide rail.
Furthermore, the point measurement unit is an alpha and beta ray surface pollution point measurement instrument fixed on the bottom surface of the mounting seat.
Furthermore, the distance measuring unit is an ultrasonic distance detector or a laser distance meter fixed on the bottom surface of the mounting seat.
By adopting the scheme, the ultrasonic distance detector and the laser range finder can detect the distance between the probe and the detected object in real time, so that the detection precision is ensured.
Further, the vision capturing unit is a vision camera fixed on the bottom surface of the mounting seat.
Through adopting above-mentioned scheme, the measured object article can be caught fast to the vision camera to transmit the image for the control unit.
Further, the control unit is a PLC controller.
Drawings
In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a control flow diagram of an embodiment of the present invention.
Shown in the figure:
1. a conveyor belt;
2. an object to be tested;
3. a mounting seat;
4. a support;
5. an X-axis guide rail;
6. an X-axis motor;
7. a Z-axis guide rail;
8. a Z-axis motor;
9. a sliding seat;
10. alpha and beta ray surface pollution point measuring instruments;
11. an ultrasonic distance detector;
12. a vision camera;
13. a PLC controller.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the utility model pertains.
In the description of the present application, it is to be understood that the terms "longitudinal," "lateral," "upper," "lower," "vertical," "horizontal," "top," "bottom," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and simplicity in description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1-2, the present embodiment provides a surface α, β radioactive contamination spot measurement apparatus, which includes a conveyor belt 1, a mounting base 3, a position adjustment unit, a control unit, a spot measurement unit, a distance measurement unit and a vision capture unit.
The conveyor belt 1 extends laterally in the Y-axis direction for conveying the object 2 to be measured.
The mounting seat 3 is arranged above the conveyor belt 1, and the mounting seat 3 is controlled by the position adjusting mechanism to move along the X-axis direction and the Z-axis direction.
The position adjusting unit comprises a support 4 erected on the conveyor belt 1, an X-axis guide rail 5 is arranged at the top of the support 4, a sliding seat 9 slides on the X-axis guide rail 5, the sliding seat 9 slides along the X-axis guide rail 5 under the control of an X-axis driving mechanism, and the X-axis driving mechanism comprises an X-axis motor 6 installed at the control end of the X-axis guide rail 5.
The sliding seat 9 is provided with a Z-axis guide rail 7, the Z-axis guide rail 7 is provided with a mounting seat 3 in a sliding manner, the mounting seat 3 is controlled by a Z-axis driving mechanism to slide along the Z-axis guide rail 7, and the Z-axis driving mechanism comprises a Z-axis motor 8 mounted at the control end of the Z-axis guide rail 7.
The point measurement unit, the distance measurement unit and the vision capture unit are all arranged on the bottom surface of the re-installation seat 3, and the action end is arranged towards the conveyor belt 1. The point measurement unit is used for detecting surface pollution of the measured object 2, the distance measurement unit is used for measuring the distance between the point measurement unit and the measured object 2, and the vision capture unit is used for capturing the image of the measured object 2.
The control unit is electrically connected with the visual capture unit, the distance measurement unit, the position adjusting unit and the point measurement unit, and is used for receiving signals of the visual capture unit and the distance measurement unit to control the position adjusting unit and the point measurement unit to work.
The installation base 3 is arranged above the conveyor belt 1 and moves along the X-axis direction and the Z-axis direction under the control of the position adjusting unit, when a measured object 2 reaches the lower part of the installation base 3, the measured object 2 is captured by the vision capturing unit and information is fed back to the control unit, the control unit performs edge analysis on the captured graph, area information of the measured object 2 is constructed, then random point taking can be performed to confirm the positions of a plurality of detection points, the distance measuring unit is controlled to reach corresponding point taking positions through the position adjusting unit, meanwhile, the distance measuring unit detects the distance between the distance measuring unit and the measured object 2 constantly and feeds back the information to the control unit, the control unit controls the point measuring unit to be at a certain distance from the detection points through the position adjusting unit according to the distance information, the point measuring unit performs surface pollution point measurement, and obtains a measured value.
Specifically, the point measurement unit in this embodiment is an α, β ray surface contamination point measurement instrument 10 fixed on the bottom surface of the mounting base 3, and the model is BG 9611.
The distance measuring unit is the ultrasonic distance detection instrument 11 of fixing in mount pad 3 bottom surface, and the model is STM32, and ultrasonic distance detection instrument 11 can real-time detection probe and measured object 2 between the interval to guarantee to detect the precision. The distance measuring unit can also adopt a high-precision distance measuring device such as a laser distance meter, and the effect of the embodiment can be realized.
The vision capturing unit is a vision camera 12 fixed on the bottom surface of the mounting seat 3, the model is a2A1920-51gmBAS, and the vision camera 12 can rapidly capture the object 2 to be detected and transmit the image to the control unit.
The control unit is a PLC (programmable logic controller) 13 with the model number of S7-200.
In specific implementation, the alpha and beta ray surface contamination point measuring instrument 10, the ultrasonic distance detector 11, the vision camera 12, the X-axis motor 6 and the Z-axis motor 8 are all electrically connected with the PLC controller 13, and the specific working process is as follows:
1. after capturing an object, the vision camera 12 transmits the image to the PLC 13, and the PLC 13 performs edge analysis on the image to determine the position of the object;
2. the PLC 13 selects a plurality of detection points according to the determined object position, controls the X-axis motor 6 to work and moves the alpha and beta ray surface pollution point measuring instrument 10 to the detection point position;
3. the ultrasonic distance detector 11 detects the distance between the probe and the object to be measured 2 at any time and feeds information back to the PLC 13, the PLC 13 controls the Z-axis motor 8 to work according to the information to move the alpha and beta ray surface contamination point measuring instrument 10 to a position with a certain distance from the object to be measured 2 for measurement, the alpha and beta ray surface contamination point measuring instrument 10 feeds measured values back to the PLC 13 for recording, and finally the maximum measured value is selected as the contamination value of the surface of the object to be measured.
The connection mode and the control method between the PLC controller 13 and the ultrasonic distance detector 11, the vision camera 12, the α, β ray surface contamination point measuring instrument 10, the X-axis motor 6, and the Z-axis motor 8 are common technical means in the art, and are not described herein again.
The detection device has the advantages of being high in automation degree, capable of detecting the surface pollution of the object quickly, efficiently and accurately, and effectively avoiding the problems of low precision, poor standardization and easy radiation pollution caused by manual detection.
In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (8)
1. A surface alpha, beta radioactive contamination spot measuring device, comprising:
the conveying belt transversely extends along the Y-axis direction and is used for conveying a measured object;
the mounting base is arranged above the conveying belt, a point measurement unit, a distance measurement unit and a visual capture unit are arranged on the mounting base, action ends of the point measurement unit, the distance measurement unit and the visual capture unit are all arranged towards the conveying belt, the point measurement unit is used for detecting surface pollution of a measured object, the distance measurement unit is used for measuring the distance between the point measurement unit and the measured object, and the visual capture unit is used for capturing an image of the measured object;
the position adjusting mechanism is used for controlling the mounting seat to move along the X-axis direction and the Z-axis direction;
and the control unit is electrically connected with the visual capture unit, the distance measurement unit, the position adjusting unit and the point measurement unit, and is used for receiving signals of the visual capture unit and the distance measurement unit to control the position adjusting unit and the point measurement unit to work.
2. The device for measuring the alpha and beta radioactive contamination points on the surface according to claim 1, wherein the position adjusting unit comprises a bracket erected on the conveyor belt, an X-axis guide rail is arranged on the top of the bracket, a sliding seat slides on the X-axis guide rail, and the sliding seat is controlled by an X-axis driving mechanism to slide along the X-axis guide rail; the sliding seat is provided with a Z-axis guide rail, the mounting seat slides on the Z-axis guide rail, and the mounting seat is controlled by a Z-axis driving mechanism to slide along the Z-axis guide rail.
3. The surface α, β radioactive contamination spot measuring device of claim 2, wherein the X-axis drive mechanism comprises an X-axis motor mounted at a control end of the X-axis rail.
4. The surface α, β radioactive contamination spot measuring device of claim 2, wherein the Z-axis drive mechanism comprises a Z-axis motor mounted at a control end of the Z-axis rail.
5. The surface alpha and beta radioactive contamination spot measuring device according to claim 1, wherein the spot measuring unit is an alpha and beta ray surface contamination spot measuring instrument fixed on the bottom surface of the mounting seat.
6. The surface alpha and beta radioactive contamination spot measuring device according to claim 1, wherein the distance measuring unit is an ultrasonic distance measuring instrument or a laser distance measuring instrument fixed on the bottom surface of the mounting seat.
7. The surface α, β radioactive contamination spot measuring device according to claim 1, wherein the vision capturing unit is a vision camera fixed to the bottom surface of the mounting base.
8. The apparatus for spot measurement of α, β -radioactive contamination on a surface of any one of claims 1 to 7, wherein the control unit is a PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121392895.XU CN215599373U (en) | 2021-06-22 | 2021-06-22 | Surface alpha and beta radioactive pollution point measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121392895.XU CN215599373U (en) | 2021-06-22 | 2021-06-22 | Surface alpha and beta radioactive pollution point measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215599373U true CN215599373U (en) | 2022-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121392895.XU Active CN215599373U (en) | 2021-06-22 | 2021-06-22 | Surface alpha and beta radioactive pollution point measuring device |
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| Country | Link |
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| CN (1) | CN215599373U (en) |
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2021
- 2021-06-22 CN CN202121392895.XU patent/CN215599373U/en active Active
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Effective date of registration: 20240129 Address after: No. 109 Beiqing Road, Haidian District, Beijing Patentee after: PLA 96901 Country or region after: China Address before: 109 Beiqing Road, Haidian District, Beijing Patentee before: Institute of nuclear technology, rocket Army Research Institute, PLA Country or region before: China Patentee before: CGN JIUYUAN (CHENGDU) TECHNOLOGY CO.,LTD. |