CN203337824U - X-gamma radiation protection instrument automatic verification device using pattern identification - Google Patents
X-gamma radiation protection instrument automatic verification device using pattern identification Download PDFInfo
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- CN203337824U CN203337824U CN201320445618XU CN201320445618U CN203337824U CN 203337824 U CN203337824 U CN 203337824U CN 201320445618X U CN201320445618X U CN 201320445618XU CN 201320445618 U CN201320445618 U CN 201320445618U CN 203337824 U CN203337824 U CN 203337824U
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Abstract
The utility model discloses an X-gamma radiation protection instrument automatic verification device using pattern identification. The device comprises an image acquisition unit and a processing unit. The image acquisition unit comprises an image sensor and an image capturing module. The processing unit comprises a data receiving module, a pattern identification module and a certificate processing module. The device provided by the utility model has the advantages that the image sensor is used to acquire display data on a radiation protection instrument; the pattern identification module identifies an image; according to the requirements of a test task, the verification device automatically judges whether the tested instrument is qualified and generates an electronic version certificate which is used by an MIS system and an original data record; the electronic version certificate is transmitted to the MIS system through a certificate output module for further processing; a lot of labor can be saved; the problem that manual recording easily makes mistakes is solved; emotional manipulation of staff can be avoided; and the verification/calibration/detection is objective.
Description
Technical field
The utility model relates to a kind of automatic calibrator, particularly relates to a kind of X-γ radiation protection instrument automatic calibrator that adopts figure identification, for the calibrating/calibration of radiation protection instrument/detection.
Background technology
In the calibrating of X-γ radiation protection instrument/calibration/testing process, usually use gamma-rays (or X ray) air kerma device to the radiation protection instrument examined and determine/calibrated/detect.
In the calibrating of radiation protection instrument/calibration/testing process, the instrument and the several vertification regulation that relate to hundreds of model, usually need to determine to use vertification regulation according to model and the title of instrument, then according to the model of vertification regulation and instrument, determine test condition and method.
Traditional radiation protection instrument calibration/calibration/detection method is: the staff determines to use vertification regulation according to model and the title of instrument, then determine test condition and method according to the model of vertification regulation and instrument, this just likely the instrument of same model occurs but test condition and method are inconsistent, the instrument of different operating personnel same model equally, also may appear but test condition and method are inconsistent.
In test, the staff reads the reading of tested radiation protection instrument and records raw readings with notes by display screen in pulpit, according to the test assignment requirement, manually fill in corresponding certificate (as: calibration certificate or defective L. A., calibration certificate, examining report), manual record is not only easily omitted, and need to expend a large amount of labours.
The utility model content
The purpose of this utility model is to overcome the shortcoming and defect of above-mentioned prior art, a kind of X-γ radiation protection instrument automatic calibrator that adopts figure identification is provided, overcome in the calibrating of existing radiation protection instrument/calibration/detection method, by the selected vertification regulation of staff with determine that test condition and method cause the instrument of same model but test condition and method may inconsistent situations, adopt manual record, not only easily cause error of omission, also need labor-consuming drawback.
The purpose of this utility model is achieved through the following technical solutions: the X-γ radiation protection instrument automatic calibrator that adopts figure identification, comprise processing unit, image acquisition units, operating unit and display unit, described operating unit is connected on processing unit, and described display unit is connected to processing unit;
Described processing unit is provided with data reception module, figure identification module and certificate processing module, described data reception module is connected to the output of image acquisition units, its output is connected to the figure identification module, the output of figure identification module is connected to certificate processing module, and described image acquisition units is aimed at the data display equipment of radiation protection instrument.
Described image acquisition units comprises imageing sensor and image capture module, the output of imageing sensor is connected to image capture module, the output of image capture module is connected to processing unit, the data display equipment of described image sensor alignment radiation protection instrument;
Further, the camera that described imageing sensor is outputting analog signal, image capture module is image capture card, and imageing sensor adopts concentric cable to be connected with image capture card, and the output of image capture card is connected to processing unit;
Detected object radiation protection instrument is placed in irradiation field, its active center point position overlaps with test point, the data display equipment of image sensor alignment radiation protection instrument, for reading the reading of data display equipment of radiation protection instrument, the simulating signal of imageing sensor output becomes digital signal after image capture module A/D changes and encodes, image capture module is sent to processing unit by this digital signal, in processing unit, data reception module extracts single frames static images buffer memory in addition from digital signal data stream, and send to the figure identification module, the figure identification module extracts the displayed value of radiation protection instrument from static images, and this information is sent to certificate processing module, after certificate processing module completes all test parameters, requirement according to test assignment, draw the conclusion whether this tested instrument is qualified and automatically generate for mis system electronic edition certificate (as: calibration certificate, or defective L. A., or calibration certificate, or examining report) and original data record, and the electronic edition certificate of generation is transferred to mis system by the certificate output module further processes and (as: veritified by the donor that qualification is arranged, approval, the work such as printing),
Describedly also comprise a USB camera, described USB camera is connected on processing unit, this camera inside has just comprised imageing sensor and image capture module, the simulating signal of imageing sensor output becomes digital signal after image capture module A/D changes and encodes, and this digital signal connects and is sent to processing unit through USB; Limited by the USB wire length, the USB camera obtains for the display graphics that is placed on the X-gamma-rays place alarm host machine in pulpit.
Describedly also comprise an IP network camera, described IP network camera is connected on processing unit, this camera inside has just comprised imageing sensor and image capture module, the simulating signal of imageing sensor output becomes digital signal after image capture module A/D changes and encodes, and this digital signal IP network connection is sent to processing unit; Due to IP network wire length substantially unrestricted (increasing switch/router etc.), this IP network camera is for apart from pulpit, irradiation field far away is used.
Be provided with a database in described processing unit, this database comprises the gamma-rays conventional true value, censorship unit information of the test point of radiation protection Instrument use, by test examination instrument information, rules information etc.According to by the test examination instrument model, being recalled test parameter and condition from database.In the censorship unit information by certificate the censorship unit information (as: censorship organization, address etc.) of palpus; By test examination instrument information, be also necessary information on certificate (as: by the test examination instrument title, model, factory's title etc.); Rules information is rules information required on certificate (as: vertification regulation title, test event, to requirement of technical indicator etc.), and certificate processing module, when automatically Generating Certificate electronic edition, can be added above-mentioned information to assigned address on certificate.Also encrypt the information related in raw measurement data and certificate that stores in database; The certificate information of encrypting storage can be used for checking the authenticity of certificate; The original measurement of encrypting storage can be used for further checking the authenticity of certificate and the reliability of certificate data;
Describedly also comprise an operating unit, described operating unit is connected on processing unit, and the staff can carry out certain operations to processing unit by operating unit, as database is read, interpolation or Update Table;
Describedly also comprise a display unit, described display unit is connected to processing unit, and display unit is for showing staff's operating process, and realizes the result of certificate processing module;
Described processing unit is provided with a certificate output module, and the certificate output module comprises USB port, RS232 interface or the network port, and certificate processing module is connected to mis system by this certificate output module;
The beneficial effects of the utility model are: adopt imageing sensor to gather the demonstration data on the radiation protection instrument, the figure identification module is identified image, different requirements according to the test assignment type, the rules of setting in this device Automatically invoked database, test event, test condition and method etc., only in completing database after the regulation test event, this calibrating installation automatically draws the conclusion whether this tested instrument is qualified and generates for mis system electronic edition certificate (as: calibration certificate, or defective L. A., or calibration certificate, or examining report) and original data record, and the electronic edition certificate is transferred to mis system by the certificate output module further to be processed, saved a large amount of labours, also solved the drawback that manual record is easily made mistakes, and can avoid staff's changeable in mood operation, make calibrating/calibration/detection more objective.
The accompanying drawing explanation
The structured flowchart that Fig. 1 is embodiment 1;
The structured flowchart that Fig. 2 is database of the present utility model;
Fig. 3 is workflow diagram of the present utility model.
The structured flowchart that Fig. 4 is embodiment 2.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but structure of the present utility model is not limited only to following examples:
[embodiment 1]
As shown in Figure 1, adopt the X-γ radiation protection instrument automatic calibrator of figure identification, comprise processing unit and image acquisition units;
Described processing unit is provided with data reception module, figure identification module and certificate processing module, described data reception module is connected with the output of image acquisition units, its output is connected to the figure identification module, and the output of figure identification module is connected to certificate processing module;
Described image acquisition units comprises imageing sensor and image capture module, the output of imageing sensor is connected to image capture module, the output of image capture module is connected to processing unit, the data display equipment of described image sensor alignment radiation protection instrument;
Further, the camera that described imageing sensor is outputting analog signal, image capture module is image capture card, and imageing sensor adopts concentric cable to be connected with image capture card, and the output of image capture card is connected to processing unit;
In the present embodiment, image acquisition units is the analog signal output camera, and concrete model is: 910S6F, and resolution 700 lines, core is the 4140GG of Sony chip; Image capture module adopts C729 high definition capture card, and high definition capture card resolution reaches 1080P(1920*1080 resolution).In addition, the DIRECT SHOW API of support standard develops third party software and SDK secondary development bag.Principal feature: (1) HDMI 1080P high definition gathers; (2) abundant input interface: HDMI, DVI, 1080i analogue component, S-Video and the collection of composite video input interface are provided; (3) abundant resolution and form support: 1080 30p 50i/60i, 720 50p/60p, 576 50p/50i, 480 60p/60i.1920x1200,1680x1050,1440x990,1280x1024,1280x800,1024x768.
Detected object radiation protection instrument is placed in irradiation field, its active center point position overlaps with test point, the data display equipment of image sensor alignment radiation protection instrument, for reading the reading of data display equipment of radiation protection instrument, the simulating signal of imageing sensor output becomes digital signal after image capture module A/D changes and encodes, image capture module is sent to processing unit by this digital signal, in processing unit, data reception module extracts single frames static images buffer memory in addition from digital signal data stream, and send to the figure identification module, the figure identification module extracts the displayed value of radiation protection instrument from static images, and this information is sent to certificate processing module, after certificate processing module completes all test parameters, requirement according to test assignment, draw the conclusion whether this tested instrument is qualified and automatically generate for mis system electronic edition certificate (as: calibration certificate, or defective L. A., or calibration certificate, or examining report) and original data record, certificate processing module is transferred to mis system by the electronic edition certificate of generation by the certificate output module and further processes and (as: veritified by the donor that qualification is arranged, approval, the work such as printing), in the present embodiment, data reception module is a FPGA board, and certificate processing module is a CPU board card.
As shown in Figure 2, this database comprise the gamma-rays conventional true value, censorship unit information of the test point of radiation protection Instrument use, by test examination instrument information, rules information etc.According to by the test examination instrument model, from database, recalled test parameter and condition (for example: some measured instrument be limited to 10mSv/h, in the test parameter of interior this instrument of database, highest measurement point is 10mSv/h, and certain measured instrument on be limited to 1Sv/h, in the test parameter of interior this instrument of database, highest measurement point is 1Sv/h, etc.).In the censorship unit information by certificate the censorship unit information (as: censorship organization, address etc.) of palpus; By test examination instrument information, be also necessary information on certificate (as: by the test examination instrument title, model, production firm's title etc.); Rules information is rules information (as: vertification regulation title, test event, technical indicator etc.) required on certificate, and certificate processing module, when automatically Generating Certificate electronic edition, is added above-mentioned information to assigned address on certificate.Also encrypt the information related in raw measurement data and certificate that stores in database; The certificate information of encrypting storage can be used for checking the authenticity of certificate; The original measurement of encrypting storage can be used for further checking the authenticity of certificate and the reliability of certificate data;
Data reception module core in the present embodiment is that FPGA adopts the chip that the model of Xilinx is XC5VSX95T, this chip can control interface and FIFO buffer and preprocessing function that various data are provided, figure identification module core is digital signal processor, the C6455 that adopts TI company is except providing powerful digital signal processing function, also the SDRAM of plug-in 256MB * 2 slice is for the mass data storage, certificate processing module adopts the processor that model is ARM946E-S, and database is a storer.
Describedly also comprise an operating unit, described operating unit is connected on processing unit, and operating unit is load module, i.e. keyboard, a mouse etc., the staff can carry out certain operations to processing unit by operating unit, as database is read, interpolation or Update Table;
Describedly also comprise a display unit, be display, described display unit is connected to processing unit, and display unit is for showing staff's operating process, and realizes the result of certificate processing module;
Described processing unit is provided with a certificate output module, and the certificate output module comprises USB port, RS232 interface or the network port, and certificate processing module is connected to mis system by this certificate output module.
Be more than the structure explanation of device, below the said apparatus application process described, as shown in Figure 3, adopt said apparatus to gather the method for calibrating, comprise the following steps:
(1) detected object is protected to instrument and be placed in irradiation field, its active center point position overlaps with test point; It is neighbouring for the reading that reads the radiation protection instrument and do not affect the suffered radiation dose of detected object that imageing sensor is placed in the radiation protection instrument.
(2) staff arranges Detection task type (calibrating/calibration/detection) by operating unit, data by reading, in interpolation or Update Table storehouse, obtain the required information that Generates Certificate, comprise the censorship unit information, by the gamma-rays conventional true value of test examination instrument information, rules information, protection instrument test point of living in etc.
(3) according to step (2) by the model in test examination instrument information, this device recalls test event, test condition and the method etc. of the setting in database;
(4) analog video signal of imageing sensor output changes digital signal into through image capture module;
(5) data reception module in processing unit the image capture modulus is received according to stream and data stream in extract in addition buffer memory of single frames static images, then send to the figure identification module;
(6) the figure identification module by the displayed value interpretation of the radiation protection instrument that comprises in the static images received out and send to certificate processing module;
(7) data that certificate processing module sends step (6) encrypt as raw measurement data the parameter (as: inherent error relatively) that stores in database and calculate the test event regulation;
(8) only in completing database after the regulation test event, the result that certificate processing module calculates according to the information of setting in step (2) and step (7), automatically generate for the electronic edition certificate of mis system and add above-mentioned information to assigned address on certificate, and storing the information encryption related in certificate into certificate data in database;
(9) this device by the certificate output unit to mis system submit to the electronic edition certificate (as: by the donor that qualification is arranged veritified, ratified, the work such as printing).
[embodiment 2]
As shown in Figure 4, the structure of the present embodiment and embodiment 1 are basically identical, difference is that processing unit has also connected a USB camera, this camera inside has just comprised imageing sensor and image capture module, the simulating signal of imageing sensor output becomes digital signal after image capture module A/D changes and encodes, and this digital signal connects and is sent to processing unit through USB; Limited by the USB wire length, the USB camera is for the test of radiation protection instrument X-gamma-rays place alarm, generally the main frame of X-gamma-rays place alarm is placed in pulpit, its sensor is positioned in irradiation field and its active center point position overlaps with test point, and the USB camera is aimed at the display window of the main frame of X-gamma-rays place alarm; The concrete model of USB camera is: LifeCam Studio camera, sensor: CMOS, pixel: 5,000,000 (software enhancings), catch breadth: 1280x720, video resolution (resolution): 2304 * 1728, maximum frame number: 30 frames/second, interface: USB.
Also connected an IP network camera in the present embodiment in processing unit, this camera inside has just comprised imageing sensor and image capture module, the simulating signal of imageing sensor output becomes digital signal after image capture module A/D changes and encodes, and this digital signal IP network connection is sent to processing unit; Due to IP network wire length substantially unrestricted (increasing switch/router etc.), this IP network camera is for apart from pulpit, irradiation field far away is used, concrete model is: dragon looks peace (Loosafe) LS-RF25200 type 1080P 1,000,000 high-definition network cameras, valid pixel 752 (H) X582 (V), supported protocol: TCP/IP, FTP, PPPOE, DHCP, DDNS/NTP/UPNP, support real-time video transmission, support client remote monitoring software interface, communication interface: 1 RJ45 10/100M self-adaptation Ethernet interface.
The above; it is only preferably embodiment of the utility model; but protection domain of the present utility model is not limited to this; in the technical scope that any technician who is familiar with this professional skill field discloses at the utility model; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.
Claims (7)
1. adopt the X-γ radiation protection instrument automatic calibrator of figure identification, it is characterized in that, comprise processing unit, image acquisition units, operating unit and display unit, described operating unit is connected on processing unit, described display unit is connected to processing unit, described processing unit is provided with data reception module, figure identification module and certificate processing module, described data reception module is connected to the output of image acquisition units, its output is connected to the figure identification module, the output of figure identification module is connected to certificate processing module, described image acquisition units is aimed at the data display equipment of radiation protection instrument.
2. the X-γ radiation protection instrument automatic calibrator that employing figure according to claim 1 is identified, it is characterized in that, described image acquisition units comprises imageing sensor and image capture module, the output of imageing sensor is connected to image capture module, and the output of image capture module is connected to processing unit.
3. the X-γ radiation protection instrument automatic calibrator that employing figure according to claim 2 is identified, it is characterized in that, the camera that described imageing sensor is outputting analog signal, image capture module is image capture card, imageing sensor adopts concentric cable to be connected with image capture card, and the output of image capture card is connected to processing unit.
4. the X-γ radiation protection instrument automatic calibrator of employing figure identification according to claim 1, is characterized in that, also comprise a USB camera, described USB camera is connected on processing unit.
5. the X-γ radiation protection instrument automatic calibrator of employing figure identification according to claim 1, is characterized in that, also comprise an IP network camera, described IP network camera is connected on processing unit.
6. the X-γ radiation protection instrument automatic calibrator of employing figure identification according to claim 1, is characterized in that, is provided with a database in described processing unit.
7. the X-γ radiation protection instrument automatic calibrator of employing figure identification according to claim 1, is characterized in that, described processing unit is provided with a certificate output module, and the certificate output module is USB port, RS232 interface or the network port.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104331718A (en) * | 2014-07-11 | 2015-02-04 | 江西省农业科学院土壤肥料与资源环境研究所 | Agricultural digital display detection instrument auxiliary system and working method |
| CN104330815A (en) * | 2014-11-26 | 2015-02-04 | 中国工程物理研究院核物理与化学研究所 | Method applied to detection of air kerma conventional true value |
| CN107180332A (en) * | 2016-03-11 | 2017-09-19 | 北大方正集团有限公司 | Digital certificates generation method and digital certificates generation system |
| CN110596746A (en) * | 2019-10-17 | 2019-12-20 | 中国测试技术研究院辐射研究所 | Method for using an automatic test/calibration/verification device for a dose equivalent instrument |
-
2013
- 2013-07-25 CN CN201320445618XU patent/CN203337824U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104331718A (en) * | 2014-07-11 | 2015-02-04 | 江西省农业科学院土壤肥料与资源环境研究所 | Agricultural digital display detection instrument auxiliary system and working method |
| CN104331718B (en) * | 2014-07-11 | 2017-03-08 | 江西省农业科学院土壤肥料与资源环境研究所 | A kind of agricultural digital displaying detector device accessory system and method for work |
| CN104330815A (en) * | 2014-11-26 | 2015-02-04 | 中国工程物理研究院核物理与化学研究所 | Method applied to detection of air kerma conventional true value |
| CN104330815B (en) * | 2014-11-26 | 2016-09-07 | 中国工程物理研究院核物理与化学研究所 | Air kerma conventional true value assay method |
| CN107180332A (en) * | 2016-03-11 | 2017-09-19 | 北大方正集团有限公司 | Digital certificates generation method and digital certificates generation system |
| CN110596746A (en) * | 2019-10-17 | 2019-12-20 | 中国测试技术研究院辐射研究所 | Method for using an automatic test/calibration/verification device for a dose equivalent instrument |
| CN110596746B (en) * | 2019-10-17 | 2024-03-01 | 中国测试技术研究院辐射研究所 | Method for automatic testing/calibrating device using dose equivalent instrument |
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Owner name: RADIATION INSTITUTE OF NIMTT Free format text: FORMER OWNER: LIU ZHIHONG Effective date: 20140916 |
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Effective date of registration: 20140916 Address after: 610000 Sichuan city of Chengdu province Yushuang Road No. 10 Patentee after: Radiation Institute of NIMTT Address before: 44, No. 1, building 27, 29 bamboo forest village, Wangjiang Road, Chengdu, Sichuan, Wuhou District 610000, China Patentee before: Liu Zhihong |
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