CN102798880A - Device and method for detecting leakage dose rate of X-ray security detection equipment - Google Patents
Device and method for detecting leakage dose rate of X-ray security detection equipment Download PDFInfo
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- CN102798880A CN102798880A CN2012102892409A CN201210289240A CN102798880A CN 102798880 A CN102798880 A CN 102798880A CN 2012102892409 A CN2012102892409 A CN 2012102892409A CN 201210289240 A CN201210289240 A CN 201210289240A CN 102798880 A CN102798880 A CN 102798880A
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Abstract
The invention discloses a device and method for detecting the leakage dose rate of X-ray security detection equipment. The leaked ray dose rate detection device comprises a radiation detection alarm host machine, five radiation detection probes and a specific positioning bracket which is used for fixing the radiation detection probes, wherein the radiation detection alarm host machine is provided with radiation detection alarm probe connecting wire imports; and the radiation detection alarm probes are connected with the radiation detection alarm host machine through connecting wires. The radiation detection alarm host machine of the detection device can simultaneously display detection results of the five radiation detection probes, and the alarm threshold valve of each radiation detection probe can be set respectively; when ultralimit alarm occurs, alarm probe numbers and information of actually measured leaked radiation dose rate can be definitely displayed by the radiation detection alarm host machine; and the method has the advantages of reasonable measuring point location setting, excellent synchronous measurement performance, scientific and safe detection mode, higher accuracy of detection results, and the like.
Description
Technical field
The present invention relates to the pick-up unit of X ray leakage agent dose rate, particularly be used for the device and the method for inspection of X ray safety inspection equipment leakage dose rate check.
Background technology
Along with the large-scale application of little dosage X ray safety inspection equipment, the radiation safety performance of X ray safety inspection equipment particularly its leakage roentgen dose X rate index has caused related management department and the public's great attention.GB15208 is " at any place (inlet, the exit that comprise equipment) apart from device outer surface 5cm, X ray leakage agent dose rate should less than 5 μ Gy/h " to the technical requirement of X ray safety inspection equipment leakage roentgen dose X rate.In the practical application, related management department has proposed higher radsafe requirement.
The instrument that is used for the check of X ray safety inspection equipment leakage dose rate at present generally is made up of radiation detection alarm host machine and single channel radiation detection police-spy head; When measuring, need artificial fixedly radiation detection probe positions; Cause the work for inspection personnel X ray safety inspection equipment in the long-time close contact work of having to; Cause the work for inspection personnel to receive the radiation integral dose and strengthen, influence that it is healthy.
In addition; The leakage roentgen dose X rate pick-up unit of existing X ray safety inspection equipment is generally single channel radiation detection probe; Assay to the different check points of same seized equipment position is in the test of different order, to obtain, and has influenced the comparability and the test error of assay data; Simultaneously, as desire to obtain the leakage roentgen dose X rate assay of 5 some positions, must repeat 5 checks, also influenced work for inspection efficient to a great extent.
Summary of the invention
The technical matters that the present invention will solve provide a kind of simple in structure, measuring accuracy is high, security performance is strong is used for the device and the method for inspection of the check of X ray safety inspection equipment leakage dose rate.
For achieving the above object, technical scheme of the present invention is following:
Be used for the device of X ray safety inspection equipment leakage dose rate check, comprise
One radiation detection alarm host machine, said radiation detection alarm host machine are provided with at least 5 radiation detection alarm probe line access ports;
5 radiation detection alarm probe, said radiation detection alarm probe is connected with line access port on the radiation detection alarm host machine through line;
One is used for fixing the locating support of radiation detection alarm probe;
Said locating support comprises
One is placed in the mount pad at radiation detection alarm host machine end face middle part, is provided with a probe fixed frame in the said mount pad;
Being placed on the mount pad and being used to install 4 supports of radiation detection alarm probe of upset; Said 4 supports are symmetrical set across;
The probe fixed frame that said support comprises the supporting leg that freely stretches and is placed in supporting leg one end;
Said radiation detection alarm probe is placed in the probe fixed frame.
In one embodiment of the invention, said radiation detection alarm probe is the split type high sensitivity dose rate instrument of multichannel that range is not more than 200 μ Sv/h.
In one embodiment of the invention, said probe fixed frame is connected with an end of supporting leg through a Demountable metallic hasp.
In one embodiment of the invention, said metal hasp by the fixed block that is fixed on supporting leg one end, be placed in the L shaped web member under the fixed block, the triangle web member that is placed under the L shaped web member is formed; One end of said L shaped web member is that blind end, the other end are openend, and said L shaped web member openend is spacing through fixture block.
Be used for the method for inspection of the device of X ray safety inspection equipment leakage dose rate check, the said method of inspection comprises the steps:
(1) chooses 5 radiation detection alarm probe, and it is separately fixed in the probe fixed frame, through wiring the radiation detection alarm probe is connected with access port on the radiation detection alarm host machine again;
The locating support that (2) will install radiation detection probe is positioned over seized X ray safety inspection equipment end face; Mount pad and the probe of the radiation detection in this mount pad of confirming locating support are in seized X ray safety inspection equipment end face central point, and the support of 4 across settings of adjustment makes other four radiation detection probes be in luggage import central point, luggage export center point, the 5cm place, Device Host two sides central point top of seized X ray safety inspection equipment respectively;
(3) open radiation detection alarm host machine power supply, confirm the corresponding check point position of radiation detection probe, the alarm threshold value and the radiation detection refresh time of respective point position is set respectively;
(4) start seized X ray safety inspection equipment; On the security check passage of seized X ray safety inspection equipment, put into the wooden simulation luggage parcel of 700mm * 500mm * 300mm; When simulation luggage parcel gets in the seized X ray safety inspection equipment; Seized X ray safety inspection equipment sends X ray, and 5 radiation detection alarm probe read corresponding leakage x-ray dose rate value simultaneously; The radiation detection alarm host machine shows the testing result of 5 radiation detection alarm probe simultaneously, and when overload alarm occurring, the radiation detection alarm host machine should clear and definite display alarm probe positions and corresponding actual measurement radiation dose rate information;
(5) in this method of inspection, the alarm threshold value of five probes can be set at 5 μ Gy/h according to will seeking unification of GB15208; Also can require independent respectively the setting according to concrete detection; As the alarm threshold value that luggage import central point, luggage export center point are set is 5 μ Gy/h; Two sides central point and end face central point alarm threshold value must not be above 0.5 μ Gy/h; Exceed predefined alarm threshold value like actual testing result, the radiation detection alarm host machine is promptly sent the sound and light alarm signal, and this moment, decidable respective point position radiation safety index was defective.
Through technique scheme, the invention has the beneficial effects as follows:
The present invention adopts fixedly radiation detection alarm probe of locating support, and it has easy installation and removal, security performance advantages of higher with respect to the existing manual fixed form.
Verifying attachment of the present invention is 5 radiation detection probe synchronous workings, and the radiation detection alarm host machine receives the testing result of 5 road probes simultaneously, and simultaneously, the alarm threshold value of 5 road probes can be provided with respectively; Both efficiently solved the comparability and the testing efficiency of multiple spot bit data, and verifying attachment can have been satisfied according to multiple technologies require the work of testing.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a locating support structural representation of the present invention;
Fig. 3 is a supporting structure synoptic diagram of the present invention;
Fig. 4 is a fundamental diagram of the present invention.
The numeral corresponding component title represented among the figure with letter:
100; Radiation detection alarm host machine 110; Line access port 200; Locating support 210; Mount pad 211; Key seat 220; Probe fixed frame 221; Cover plate 230; Supporting leg 231; Bearing pin 300; Radiation detection alarm probe 310; Line 400; Support 511; Fixed block body 511a; Threaded hole 512; Abutment ring 512a; Through hole 520; L shaped web member 521; Blind end 522; Openend 530; Triangle web member 540; Fixture block 600; Seized X ray safety inspection equipment
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete diagram, further set forth the present invention.
To shown in Figure 4, the device that the present invention is used for the check of X ray safety inspection equipment leakage dose rate comprises radiation detection alarm host machine 100, locating support 200 and 5 radiation detection alarm probe 300 referring to Fig. 1.
Radiation detection alarm host machine 100 of the present invention is basic identical with existing radiation detection alarm host machine; Its difference is; Radiation detection alarm host machine 100 is provided with the line access port 110 of at least 5 radiation detection alarm probe lines 310; When mounted, 5 radiation detection alarm probe 300 are connected with line access port 110 on the radiation detection alarm host machine 100 through line 310 respectively.
Locating support 200 of the present invention is used for replacing fixedly radiation detection alarm probe 300 of staff in use; Locating support 200 by one be placed in radiation detection alarm host machine 10 end faces middle parts mount pad 210 form with rotatable 4 supports 400 that are placed on the mount pad 210 and are used to install radiation detection alarm probe 300,4 supports 400 are symmetrical set across.
Be provided with a probe fixed frame 220 in the mount pad 210 of the present invention; Probe fixed frame 220 is used to settle radiation detection alarm probe 300; Radiation detection alarm probe 300 of the present invention is not more than the split type high sensitivity dose rate instrument of multichannel of 200Sv/h for range, background radiation detection alarm probe 300 highly sensitive, cost is low.
Support 400 of the present invention comprises supporting leg 230 that can freely stretch and the probe fixed frame 220 that is placed in supporting leg 230 1 ends, connects through metal hasp 500 when supporting leg 230 1 ends are connected with probe fixed frame 220; Metal hasp 500 is a demountable structure; Supporting leg 230 can shrink to change the position of radiation detection alarm probe 300 in use back and forth.
Metal hasp 500 by the fixed block that is fixed on supporting leg 230 1 ends, be placed in the L shaped web member 520 under the fixed block, the triangle web member 530 that is placed under the L shaped web member 520 is formed; One end of L shaped web member 520 is that blind end 521, the other end are openend 522, and L shaped web member 520 openends 522 are spacing through fixture block 540.
Fixed block is made up of fixed block body 511 that is nested in supporting leg 230 1 ends and the abutment ring 512 that is placed under the fixed block body 511, and fixed block body 511 tops are provided with a threaded hole 511a, and only needing to insert a screw when mounted can fix; Abutment ring 512 middle parts are provided with a through hole 512a, and when mounted, the openend 522 of L shaped web member 520 passes through hole 512a, and the blind end 521 of web member 520 is suspended in the through hole 512a of abutment ring 512; Triangle web member 530 is placed in the openend 522 of L shaped web member 520, and the openend 522 of L shaped web member 520 carries out spacing through fixture block 540 diabolo web members 530, thereby stops triangle web member 530 to skid off from the openend 522 of L shaped web member 520.
The lower end of each triangle web member 530 of the present invention all connects a probe fixed frame 220; One end of probe fixed frame 220 is radiation detection alarm probe 300 installing ports; It needs through cover plate 221 fixing after radiation detection alarm probe 300 is installed, thus the stability when improving radiation detection alarm probe 300 and installing.
The method of inspection of the present invention comprises the steps:
(1) at first chooses 5 radiation detection alarm probe 300, and it is separately fixed in the probe fixed frame 220, radiation detection alarm probe 300 is being connected with access port on the radiation detection alarm host machine 100 through wiring;
The locating support 200 that (2) will install radiation detection probe 300 is positioned over seized X ray safety inspection equipment 600 end faces; Confirm that the mount pad 210 of locating support 200 and the radiation detection probe 300 in this mount pad 210 are in seized X ray safety inspection equipment 600 end face central points, the support 400 of 4 across settings of adjustment makes other four radiation detection probes 300 be in luggage import central point, luggage export center point, the 5cm place, Device Host two sides central point top of seized X ray safety inspection 600 equipment respectively;
(3) open radiation detection alarm host machine 100 power supplys, confirm the check point position of radiation detection probe 300 correspondences, the alarm threshold value and the radiation detection refresh time of respective point position is set respectively;
(4) start seized X ray safety inspection equipment 600; On the security check passage of seized X ray safety inspection equipment 600, put into the wooden simulation luggage parcel of 700mm * 500mm * 300mm; When simulation luggage parcel gets in the seized X ray safety inspection equipment 600; Seized X ray safety inspection equipment 600 sends X ray, and 5 radiation detection alarm probe 300 read corresponding leakage x-ray dose rate value simultaneously; Radiation detection alarm host machine 100 shows the testing result of 5 radiation detection alarm probe 300 simultaneously, and when overload alarm occurring, radiation detection alarm host machine 100 should clear and definite display alarm probe positions and corresponding actual measurement radiation dose rate information;
(5) in this method of inspection, the alarm threshold value of five probes can be set at 5 μ Gy/h according to will seeking unification of GB15208; Also can require independent respectively the setting according to concrete detection; As the alarm threshold value that luggage import central point, luggage export center point are set is 5 μ Gy/h; Two sides central point and end face central point alarm threshold value are 0.5 μ Gy/h; Exceed predefined alarm threshold value like actual testing result, the radiation detection alarm host machine is promptly sent the sound and light alarm signal, and this moment, decidable respective point position radiation safety index was defective.
The seized X ray safety inspection equipment that has joint designs for indivedual volumes than big and shell; In seized X ray safety inspection equipment both sides and end face respectively set up two must the measuring point position; And on fixed support, 6 radiation detection alarm probe are being installed; The x-ray dose rate value maximal value that these 6 radiation detection alarm probe are measured must not surpass 0.5 μ Gy/h, otherwise is judged to be defectively, and the radiation detection alarm probe will be sent the sound and light alarm signal.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the instructions just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (5)
1. be used for the device of X ray safety inspection equipment leakage dose rate check, it is characterized in that: comprise
One radiation detection alarm host machine, said radiation detection alarm host machine are provided with at least 5 radiation detection alarm probe line access ports;
5 radiation detection alarm probe, said radiation detection alarm probe is connected with line access port on the radiation detection alarm host machine through line;
One is used for fixing the locating support of radiation detection alarm probe;
Said locating support comprises
One is placed in the mount pad at radiation detection alarm host machine end face middle part, is provided with a probe fixed frame in the said mount pad;
Being placed on the mount pad and being used to install 4 supports of radiation detection alarm probe of upset; Said 4 supports are symmetrical set across;
The probe fixed frame that said support comprises the supporting leg that freely stretches and is placed in supporting leg one end;
Said radiation detection alarm probe is placed in the probe fixed frame.
2. the device that is used for the check of X ray safety inspection equipment leakage dose rate according to claim 1, it is characterized in that: said radiation detection alarm probe is the split type high sensitivity dose rate instrument of multichannel that range is not more than 200 μ Sv/h.
3. the device that is used for the check of X ray safety inspection equipment leakage dose rate according to claim 1 is characterized in that: said probe fixed frame is connected with an end of supporting leg through a Demountable metallic hasp.
4. the device that is used for X ray safety inspection equipment leakage dose rate check according to claim 3 is characterized in that: said metal hasp by the fixed block that is fixed on supporting leg one end, be placed in the L shaped web member under the fixed block, the triangle web member that is placed under the L shaped web member is formed; One end of said L shaped web member is that blind end, the other end are openend, and said L shaped web member openend is spacing through fixture block.
5. be used for the method for inspection of the device of X ray safety inspection equipment leakage dose rate check, it is characterized in that: the said method of inspection comprises the steps:
(1) chooses 5 radiation detection alarm probe, and it is separately fixed in the probe fixed frame, through wiring the radiation detection alarm probe is connected with access port on the radiation detection alarm host machine again;
The locating support that (2) will install radiation detection probe is positioned over seized X ray safety inspection equipment end face; Mount pad and the probe of the radiation detection in this mount pad of confirming locating support are in seized X ray safety inspection equipment end face central point, and the support of 4 across settings of adjustment makes other four radiation detection probes be in luggage import central point, luggage export center point, the 5cm place, Device Host two sides central point top of seized X ray safety inspection equipment respectively;
(3) open radiation detection alarm host machine power supply, confirm the corresponding check point position of radiation detection probe, the alarm threshold value and the radiation detection refresh time of respective point position is set respectively;
(4) start seized X ray safety inspection equipment; On the security check passage of seized X ray safety inspection equipment, put into the wooden simulation luggage parcel of 700mm * 500mm * 300mm; When simulation luggage parcel gets in the seized X ray safety inspection equipment; Seized X ray safety inspection equipment sends X ray, and 5 radiation detection alarm probe read corresponding leakage x-ray dose rate value simultaneously; The radiation detection alarm host machine shows the testing result of 5 radiation detection alarm probe simultaneously, and when overload alarm occurring, the radiation detection alarm host machine should clear and definite display alarm probe positions and corresponding actual measurement radiation dose rate information;
(5) in this method of inspection, the alarm threshold value of five probes can be set at 5 μ Gy/h according to will seeking unification of GB15208; Also can require independent respectively the setting according to concrete detection; As the alarm threshold value that luggage import central point, luggage export center point are set is 5 μ Gy/h; Two sides central point and end face central point alarm threshold value must not be above 0.5 μ Gy/h; Exceed predefined alarm threshold value like actual testing result, the radiation detection alarm host machine is promptly sent the sound and light alarm signal, and this moment, decidable respective point position radiation safety index was defective.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210289240.9A CN102798880B (en) | 2012-08-14 | 2012-08-14 | Device and method for detecting leakage dose rate of X-ray security detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210289240.9A CN102798880B (en) | 2012-08-14 | 2012-08-14 | Device and method for detecting leakage dose rate of X-ray security detection equipment |
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| CN102798880A true CN102798880A (en) | 2012-11-28 |
| CN102798880B CN102798880B (en) | 2014-12-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254777A (en) * | 2018-03-20 | 2018-07-06 | 叶华伟 | A kind of control method and device for detecting spoke amount |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007101467A (en) * | 2005-10-07 | 2007-04-19 | Chugoku Electric Power Co Inc:The | Personal alarm dosemeter |
| US7456405B1 (en) * | 2004-03-08 | 2008-11-25 | Thermo Fisher Scientific Inc. | Portable radiation monitor methods and apparatus |
| CN101258421B (en) * | 2005-08-25 | 2012-04-18 | Rae系统股份有限公司 | Combined radiation dosimeter and rate meter |
| CN202196044U (en) * | 2011-07-26 | 2012-04-18 | 天津开发区诺克石油技术服务有限公司 | Scanner for scanning circumferential welds and longitudinal welds of storage tank |
| CN202256686U (en) * | 2011-10-18 | 2012-05-30 | 丹东华日理学电气有限公司 | Automatic detection device for leaking rays in X-ray protection system |
-
2012
- 2012-08-14 CN CN201210289240.9A patent/CN102798880B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7456405B1 (en) * | 2004-03-08 | 2008-11-25 | Thermo Fisher Scientific Inc. | Portable radiation monitor methods and apparatus |
| CN101258421B (en) * | 2005-08-25 | 2012-04-18 | Rae系统股份有限公司 | Combined radiation dosimeter and rate meter |
| JP2007101467A (en) * | 2005-10-07 | 2007-04-19 | Chugoku Electric Power Co Inc:The | Personal alarm dosemeter |
| CN202196044U (en) * | 2011-07-26 | 2012-04-18 | 天津开发区诺克石油技术服务有限公司 | Scanner for scanning circumferential welds and longitudinal welds of storage tank |
| CN202256686U (en) * | 2011-10-18 | 2012-05-30 | 丹东华日理学电气有限公司 | Automatic detection device for leaking rays in X-ray protection system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254777A (en) * | 2018-03-20 | 2018-07-06 | 叶华伟 | A kind of control method and device for detecting spoke amount |
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