CN109884683A - A kind of radiation detector assembly - Google Patents
A kind of radiation detector assembly Download PDFInfo
- Publication number
- CN109884683A CN109884683A CN201910185562.0A CN201910185562A CN109884683A CN 109884683 A CN109884683 A CN 109884683A CN 201910185562 A CN201910185562 A CN 201910185562A CN 109884683 A CN109884683 A CN 109884683A
- Authority
- CN
- China
- Prior art keywords
- detector
- hand
- foot
- radiation detector
- support frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005855 radiation Effects 0.000 title claims abstract description 82
- 239000000523 sample Substances 0.000 claims abstract description 70
- 238000001514 detection method Methods 0.000 claims abstract description 45
- 239000013078 crystal Substances 0.000 claims description 36
- 238000011109 contamination Methods 0.000 claims description 22
- 238000012360 testing method Methods 0.000 claims description 14
- 230000006698 induction Effects 0.000 claims description 4
- 238000004880 explosion Methods 0.000 description 10
- 238000005259 measurement Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000005250 beta ray Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005865 ionizing radiation Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000005260 alpha ray Effects 0.000 description 2
- XQPRBTXUXXVTKB-UHFFFAOYSA-M caesium iodide Chemical compound [I-].[Cs+] XQPRBTXUXXVTKB-UHFFFAOYSA-M 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 210000001699 lower leg Anatomy 0.000 description 2
- ADOANNTYRWJJIS-UHFFFAOYSA-N lutetium silicic acid Chemical compound [Lu].[Si](O)(O)(O)O ADOANNTYRWJJIS-UHFFFAOYSA-N 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052727 yttrium Inorganic materials 0.000 description 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000030833 cell death Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000005025 nuclear technology Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003904 radioactive pollution Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 235000012773 waffles Nutrition 0.000 description 1
Abstract
The present invention provides a kind of radiation detector assembly, including bracket, hand probe unit, foot probe unit, industrial personal computer and power supply, and bracket has opposite top and bottom；Hand probe unit is set to the top of bracket, hand probe unit includes two groups of hand detectors, two groups of hand detectors are respectively arranged at the opposite two sides in top, each group of hand detector respectively includes two detectors, has detection gap between two detectors in each group of hand detector；Foot probe unit is set to the bottom of bracket, and foot probe unit includes two foot detectors；Industrial personal computer is connect respectively to handle radiation detection signal received by detector and foot detector with detector and foot detector；Power supply is connect with hand probe unit, foot probe unit and industrial personal computer respectively.The present invention highly shortened radiation detection duration, easy to operate.
Description
Technical field
The present invention relates to radiation detection technology fields, relate more specifically to a kind of radiation detection for detecting ionizing radiation
Device.
Background technique
Ionising radiation refers to that all radiation general names that substance can be caused to ionize, including alpha ray, β ray, gamma-rays, X are penetrated
Line, neutron ray etc..Ionising radiation is divided into direct ionizing radiation and indirect ionizing radiation, wherein alpha ray, β ray, matter
Son etc. is electrically charged, directly substance can be caused to ionize；The neutrals such as X-ray, γ photon and neutron, but with material effect
When generate " secondary " to making substance ionize.With the development of nuclear technology, application of the ionising radiation in life is increasingly
?
α, beta activity pollution.However, tissue is by will lead to cell death, damage after ionising radiation, or even to be converted to cancer thin
Born of the same parents have a great impact to human health to become the stealthy killer of many difficult diseases.It therefore, can be by ionizing spoke
It penetrates detection and carries out ionising radiation early warning, avoid or reduce human body by the injury of ionising radiation.
The instruments detection such as surface contamination probe nuclear power station, core treatment plant, nuke rubbish warehouse, doctor are generallyd use in the prior art
The surface of the ionising radiation in the regions such as the radiology department of institute, the positions such as hand, foot and the clothing of emphasis detection contact personnel is
It is no by radioactive pollution, when the ionising radiation on brothers, clothing keypoint part surface is no more than secure threshold, personnel can be from
It opens, so that it is guaranteed that safety.However, two pieces of detectors only are designed in hand in the design scheme of pollution detection instrument common at present,
Not can guarantee the palm of the hand, the back of the hand while detecting, the palm of the hand, the back of the hand need separate detection in detection process, increase detection time, also between
It connects and results in the not accurate enough problem of testing result.
In addition, detecting instrument in the prior art often uses fixed structure form, detector position is relatively fixed, for
The subject of different height different building shapes, can generate different movements when in use, cause detection result not accurate enough, simultaneously
Comfort level is insufficient, and it is not convenient enough to operate.
Summary of the invention
The object of the present invention is to provide a kind of radiation detector assemblies, to solve the problems, such as above-mentioned minimum a kind of.
In order to solve the above-mentioned technical problem, the technical solution of the present invention is to provide a kind of radiation detector assembly, which is visited
Surveying device includes bracket, hand probe unit, foot probe unit, industrial personal computer and power supply, and the bracket has opposite top
Portion and bottom；The hand probe unit is set to the top of the bracket, and the hand probe unit includes that two groups of hands are visited
Device is surveyed, hand detector described in two groups is respectively arranged at the opposite two sides in the top, the difference of hand detector described in each group
Including two detectors, there is detection gap between two detectors in each group of hand detector；The foot is visited
The bottom that unit is set to the bracket is surveyed, the foot probe unit includes two foot detectors；The industrial personal computer difference
It is connect with the detector and the foot detector to handle spoke received by the detector and the foot detector
Penetrate detectable signal；The power supply is connect with the hand probe unit, the foot probe unit and the industrial personal computer respectively.
According to one embodiment of present invention, between two detectors in hand detector described in each group mutually
In parallel.
According to one embodiment of present invention, each detector is placed in a box detector body, a detector grid
Orifice plate is fixed on one of surface of the detector box body, the test surface of the detector and the detector grid orifice plate
It is corresponding.
According to one embodiment of present invention, the test surface of two detectors in hand detector described in each group
Face each other setting.
According to one embodiment of present invention, be provided with several holes on the detector grid orifice plate, described hole it is total
Area is not less than the 60% of the test surface area.
According to one embodiment of present invention, infrared inductor, the infrared inductor are provided in the detection gap
It is fixed on the top of the bracket, the infrared inductor is connect with the industrial personal computer.
According to one embodiment of present invention, two foot detectors are arranged parallel to each other, each described foot
Detector includes several scintillation crystals and the electrooptical device coupled with scintillation crystal.
According to one embodiment of present invention, the foot probe unit further includes upper cover plate, the first mesh plate and peace
Mounted box, the foot detector are installed in the mounting box, first mesh plate be installed on the upper cover plate and with
The test surface of the foot detector is corresponding, and the upper cover plate is installed on the bottom of the rack, described in the upper cover plate covering
Mounting box.
According to one embodiment of present invention, the bottom of the rack is provided with clump weight.
According to one embodiment of present invention, the bracket includes the first support frame, the second support frame and third support
Frame, the third support frame are located at the opposite upper and lower ends of second support frame with first support frame and form institute
Top and the bottom are stated, while the third support frame and first support frame are located at where second support frame
The opposite two sides of plane.
According to one embodiment of present invention, second support frame further includes the first support panel, the second support panel
And support frame, the support frame are connect with first support frame and the third support frame respectively, described first
Support panel and the second support panel are covered on the surface of the support frame.
According to one embodiment of present invention, the power supply is fixedly installed in the gap of the support frame.
According to one embodiment of present invention, communication interface and power interface are provided on the first support panel.
According to one embodiment of present invention, surface contamination is provided at the top on the first support panel
Fixed frame.
According to one embodiment of present invention, the radiation detector assembly further includes surface contamination probe, and the surface is dirty
Dye probe is placed in the surface contamination fixed frame and connect with the industrial personal computer.
According to one embodiment of present invention, surface contamination probe comprising several scintillation crystals and with the sudden strain of a muscle
The electrooptical device of bright crystal coupling, the electrooptical device are connect with the second mainboard, second mainboard and the work
The connection of control machine.
According to one embodiment of present invention, the radiation detector assembly further includes display unit, and the display unit is set
It is placed in the top of the bracket and is connect with the industrial personal computer.
According to one embodiment of present invention, pass through between two detectors in hand detector described in each group
The connection of one shaft, the shaft are connect with driver.
According to one embodiment of present invention, the radiation detector assembly further includes the first shell, and first shell is set
It is placed in the top of the bracket and coats the hand probe unit.
Radiation detector assembly provided by the invention detects the palm of the hand, the back of the hand of right-hand man using 4 pieces of detectors, significantly simultaneously
Shorten detection duration；Using infrared induction module, when both hands are correctly placed in detection position, device launches into inspection at once
Survey mode operates easier；While extraneous interface is used, it can sweep external multiple surface contaminations probe progress whole bodies as needed
It retouches；In addition, the present invention has lower ionising radiation detection limit, can accurate detection to micropollution, high sensitivity.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in invention, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the stereoscopic schematic diagram of radiation detector assembly according to an embodiment of the invention；
Fig. 2 is the schematic top plan view according to the radiation detector assembly of Fig. 1；
Fig. 3 is the front schematic view according to the radiation detector assembly of Fig. 1；
Fig. 4 is the perspective view of the explosion according to the rack of the radiation detector assembly of Fig. 1；
Fig. 5 is the perspective view of the explosion according to the foot probe unit of the radiation detector assembly of Fig. 1；
Fig. 6 is according to the hand probe unit of the radiation detector assembly of Fig. 1 and the perspective view of the explosion of display unit；
Fig. 7 is the perspective view of the explosion according to the hand detector of the hand probe unit of Fig. 6；
Fig. 8 is to transmit connection schematic diagram according to the signal of the radiation detector assembly of Fig. 1-Fig. 7 embodiment；
Fig. 9 is the stereoscopic schematic diagram of radiation detector assembly according to another embodiment of the invention；
Figure 10 is the schematic rear view according to the radiation detector assembly of Fig. 9；
Figure 11 is the side schematic view according to the radiation detector assembly of Fig. 9；
Figure 12 is the perspective view of the explosion popped one's head according to the surface contamination of the radiation detector assembly of Fig. 9；
Figure 13 is the scheme of installation of hand probe unit according to still another embodiment of the invention.
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be further described.It should be understood that following embodiment is merely to illustrate this
The range of invention and is not intended to limit the present invention.
It should be noted that it can directly set when component/part is referred to as on " setting exists " another component/part
It sets on another component/part or there may also be component/parts placed in the middle.When component/part is referred to as " connection/connection
Connect " to another component/part, it, which can be, is directly connected to/is attached to another component/part or may be simultaneously present residence
Middle component/part.Term as used herein " connection/connection " may include electrical and/or mechanical-physical connection/connection.This
Term "comprises/comprising" used in text refers to feature, step or the presence of component/part, but is not precluded one or more
Other feature, step or the presence of component/part or addition.Term as used herein "and/or" includes one or more phases
Close any and all combinations of listed item.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.Term used herein is intended merely to the purpose of description specific embodiment, and
It is not intended to limitation the application.
In addition, term " first ", " second " etc. are used for description purposes only pair similar with distinguishing in the description of the present application
As between the two and sequencing being not present, indication or suggestion relative importance can not be interpreted as.In addition, the application's
In description, unless otherwise indicated, the meaning of " plurality " is two or more.
Fig. 1 is the stereoscopic schematic diagram of radiation detector assembly according to an embodiment of the invention, as shown in Figure 1, this hair
The radiation detector assembly of bright offer includes rack 10, foot probe unit 20 and hand probe unit 30, wherein rack 10 is excellent
Selection of land is integrally formed, and rack 10 includes the first support frame 11, the second support frame 12 and third support frame 13, the first support frame 11
The plane at place is approximately horizontal plane, and the second support frame 12 substantially extends along perpendicular, third support frame 13 and the first support
Frame 11 is located at the opposite upper and lower ends of the second support frame 12, while third support frame 13 is located at the first support frame 11
The opposite two sides of second support frame, 12 place plane；Foot probe unit 20 is set at the first support frame 11, and foot detection is single
Member 20 includes two foot detectors (left foot detector, right crus of diaphragm detector) being arranged symmetrically；Hand probe unit 30 is set to
On third support frame 13, hand probe unit 30 includes two groups of hand detectors, wherein one group of hand detector and another set
Hand detector is respectively arranged at the two sides of third support frame 13, and one group of hand detector of the every side of third support frame 13 includes
Two detectors positioned opposite.
Fig. 2 be according to the schematic top plan view of the radiation detector assembly of Fig. 1, Fig. 3 be according to the radiation detector assembly of Fig. 1 just
Face schematic diagram, by Fig. 2 combination Fig. 3 it is found that the cloth that is parallel to each other between two groups of hand detectors at 13 both ends of third support frame
It sets, two detectors that two groups of hand detectors are included also are arranged parallel each other, two detectors in same group
Between have detection gap 38.Further combined with Fig. 1 it is found that one of detector in two groups of hand detectors is set to
Below three support frame 13, another detector in two groups of hand detectors is respectively arranged at the both ends of the first shell 72, the
One shell 72 is set to the lower section of third support frame 13, and the side of the first shell 72 is provided with the first communication of connection external device (ED)
Interface 61 and the second communication interface 62.
Further, by Fig. 1 combination Fig. 2, Fig. 3 it is found that radiation detector assembly provided by the invention further includes display unit
50, display unit 50 is set on third support frame 13, and two groups of hand detectors are located at the two sides of display unit 50, hand
Probe unit 30 and foot probe unit 20 communicate to connect respectively with display unit 50 to send acquisition to display unit 50
Radiation detection data.
In the embodiment of Fig. 1-Fig. 3, radiation detector assembly provided by the invention further includes infrared inductor 80, infrared sense
Answer device 80 to be set near hand detector, specifically, infrared inductor 80 can be set in detection gap 38 in, consequently facilitating
Whether induction hand is put into detection gap 38.
The embodiment of Fig. 1-Fig. 3 is further combined, the two sides of 12 place plane of the second support frame are respectively arranged with first
Panel 14 and the second support panel 16 are supported, the first support panel 14, the second support frame 12 and the second support panel 16 surround
Substantially closed space can be routed in the space, for example arrangement is for connecting foot probe unit 20 and display unit
50 cable.It is additionally provided with multifunctional ports 141 and power interface 142 at bottom on first support panel 14, is mostly used
Way interface 141 can be convenient the connection of external device (ED) and radiation detector assembly, and power interface 142 is for connecting power supply to power.
Fig. 4 be according to the perspective view of the explosion of the rack 10 of the radiation detector assembly of Fig. 1, as shown in Figure 4, the first support frame 11
Inner wall on be provided with several bolts hole 111,115 and fixed part 112, bolt hole 111 and fixed part 112 is used for and foot is visited
The associated components surveyed in unit 20 are cooperated to fix foot probe unit 20；Interval point is additionally provided on second support frame 12
The bolt block 124 of cloth；Rack 10 further includes support frame 15, and support frame 15 passes through several transversely arranged first ribs
151 and the connections intersected with each other of the second rib 152 of several longitudinal arrangements form rectangular frame structure, the edge of support frame
Several bolt holes 153 are set, and support frame 15 is placed in the second support frame 12 and by mutual corresponding bolt hole 153
It is fixed with bolt block 124, at this point, support frame 15 is located at the second support frame 12, first support panel 14 and the second support panel
In 16 spaces formed；15 bottom of support frame is provided with support 154, when install rear support 154 support ground so that
First support frame 11 is not directly contacted with ground；First support 14 bottom of panel is provided with bolt hole 144 corresponding with bolt block 124
And bolt hole 145 corresponding with the bolt hole 115 on the first support frame 11, so that the first support panel 14 can be fixed
In in rack 10.It is worth noting that, being provided with several bolts hole 122 on the second support panel 16, it is provided on power supply 90
Bolt hole 91, power supply 90 is fixed on the second support panel 16 by the cooperation of bolt hole 91,122, while the size of power supply 90
It is just placed in the gap of the formation of rib 151,152 of support frame 15, power supply 90 and foot probe unit 20, hand detect
Unit 30 and display unit 50 are all connected with to power.
Fig. 5 is according to the perspective view of the explosion of the foot probe unit 20 of the radiation detector assembly of Fig. 1, as shown in Figure 5, foot
Probe unit 20 includes that two foot detectors 23 arranged in parallel (also may be respectively referred to as left foot detector and right crus of diaphragm detection
Device), the photoelectric converter that may include several scintillation crystals and coupled with scintillation crystal in each foot detector 23
The high energy ray photons such as α, β for receiving can be converted to light photon, photoelectric conversion by part (not shown), scintillation crystal
Device can will be seen that light photon is converted to electric signal, and electrooptical device is communicated to connect with industrial personal computer (Fig. 6) simultaneously, thus will
Electric signal is sent to industrial personal computer and carries out data processing.Scintillation crystal is preferably plastic scintillant, thus the volume of reduction device
With weight；Scintillation crystal can also be sodium iodide (NaI) crystal, yttrium luetcium silicate (LYSO) crystal, silicic acid lutetium (LSO) crystal, silicon
Sour yttrium (YSO) crystal and cesium iodide (CsI) crystal etc.；Scintillation crystal can be formed as what several scintillation crystal items were coupled to form
Scintillation crystal array or individual scintillation crystal block.Electrooptical device is preferably SiPM (silicon photo multiplier device), light
Electric diode (APD) or photomultiplier tube (PMT).In the 5 embodiment of figure 5, the spacing base between two foot detectors 23
Originally the spacing being equal to when people stands naturally between both feet, so that tested personnel can naturally stand and examine when detection
It surveys.Moreover, it is noted that other embodiment, detector can also include light guide according to the present invention, light guide is set to light
It is coupled between power conversion device and scintillation crystal and respectively with electrooptical device and scintillation crystal, light guide is for conducting visible light
Photon and can be improved collection light photon quality.
Further, in the 5 embodiment of figure 5, each foot detector 23 includes three sudden strains of a muscle along the arrangement of same axis
Bright crystal or scintillation crystal array, two corresponding axis of foot detector 23 are parallel to each other, and foot probe unit 20 also wraps
Include upper cover plate 21, the first mesh plate 22, mounting box 24, baffle 25, support bracket 26, clump weight 27 and lower cover plate 28, wherein
Upper cover plate 21 and lower cover plate 28 two sides up and down that be installed on the first support frame 11 by bolt hole 111 or 112 respectively opposite；Counterweight
Block 27 is fixed on lower cover plate 28；Support bracket 26 covers clump weight 27 and is fixed on first support by corresponding bolt hole
On 11,26 surface of support bracket forms two supporting cases 261, fixes a mounting box 24 in each supporting case 261；Mounting box
24 surface forms three box-like spaces, one scintillation crystal of corresponding placement or scintillation crystal battle array in each box-like space
Column, each scintillation crystal or the opposite two sides of scintillation crystal array are provided with clamping portion 231, mounting box 24 it is opposite two
The installation cartridge apertures 241,251 cooperated with clamping portion 231 is also equipped on side wall, the one of side wall of mounting box 24 is detachable
, i.e. the clamping portion 231 at detector both ends is respectively charged between installation cartridge apertures 241 and 251 by baffle 25, when installation, then
Baffle 25, which is fixed on mounting box 24, to fix scintillation crystal or scintillation crystal array；The fixed peace of first mesh plate 22
Mounted in installing 24 surfaces, 22 surface of the first mesh plate is respectively set there are two mesh area, the area of each mesh area and every
The top surface area (test surface) of one group of foot detector 23 is corresponding；There are two open area, open areas for setting on upper cover plate 21
It is respectively corresponded with the mesh area area of the first mesh plate 22, to reduce the influence to ray detection by mesh.This field
Technical staff should be noted that the gross area of mesh area inside aperture is no less than the surface area of the scintillation crystal of detector
60%.After being installed, tested personnel can stand and detect in mesh area.
Fig. 6 is the perspective view of the explosion of the hand probe unit 30 and display unit 50 according to the radiation detector assembly of Fig. 1,
It will be appreciated from fig. 6 that hand probe unit 30 includes two groups of hand detectors, first group of hand detector is set to the first shell 72
At one end 721, second group of hand detector is set at the other end 722 of the first shell 72, and two groups of hand detectors are about
One shell 72 is arranged symmetrically, and each group of hand detector includes two detectors positioned opposite again, herein only with first group of hand
It is described in detail for portion's detector.First group of hand detector includes the first detector box body 31, the first detector 32, the
One detector grid orifice plate 33 and the second detector box body 34, the second detector 35, the second detector grid orifice plate 36, wherein the
One detector box body 31 is identical as the shape of the second detector box body 34, construction, the first detector 32 and the second detector 35
Shape, construction are identical, and the first detector grid orifice plate 33 is identical as the shape of the second detector grid orifice plate 36, construction, the first detection
Device 32 is fixed in the first detector box body 31, and the first detector grid orifice plate 36 is fixed on wherein the one of the first detector box body 31
On a surface, the test surface of the first detector 32 is corresponding with the first detector grid orifice plate, the detection of the first detector box body 31, first
Device 32 and the first detector grid orifice plate 33 form a detector after being installed；Similarly, the second detector box body 34,
Two detectors 35 and the second detector grid orifice plate 36 form another detector after being installed；Each group of two detectors
Be arranged parallel each other and have detection gap 38, when the hand of tested personnel be put into detection gap 38 in start into
When row detection, one of detector detects the radiation of the back of the hand side, another detector detects the radiation of palm of the hand side.Into one
Step ground, display unit 50 further include industrial personal computer 60, industrial personal computer fixed frame 61 and display screen 71, and industrial personal computer fixed frame 61 is located at two
Group hand detector between and be fixed on third support frame 13, industrial personal computer 60 be fixed on industrial personal computer fixed frame 61 and respectively with
Detector in each group of hand detector and the communication connection of foot detector with receive and analyze respectively hand detector and
Radiation data transmitted by foot detector, display screen 71 is fixed on 60 surface of industrial personal computer and connect with industrial personal computer 60, thus just
It is shown in by coherent radiation data.
Fig. 7 be according to the perspective view of the explosion of the hand detector of the hand probe unit of Fig. 6, by Fig. 7 it is further known that,
One of surface of one detector box body 31 has opening, several otic placodes are provided with outside the side wall of the first detector box body 31
311, there is screw hole, the first detector 32 is placed in the first detector box body 31, the first detector grid orifice plate 33 on otic placode 311
On be provided with mesh 331, the first detector grid orifice plate 33 is fixed on the first detector box body 31 by the cooperation of screw, screw hole
Opening, the test surface face mesh 331 of the first detector 32, the test surface are that the scintillation crystal in detector receives high energy light
The surface of son.
Those skilled in the art should be noted that in an embodiment of the present invention foot probe unit and hand detect
Detector employed in unit can be same size, be also possible to different size, and those skilled in the art can root
It needs to select according to actually detected, not be distinguish herein.
Fig. 8 is to transmit connection schematic diagram according to the signal of the radiation detector assembly of Fig. 1-Fig. 7 embodiment, as shown in Figure 8, the
Detector in one group of hand detector, second group of hand detector and foot probe unit connect respectively with industrial personal computer 60 with
The measurement result of the rays such as α, β, γ to industrial personal computer transmission measurement；Infrared inductor 80 can incude the brothers of tested personnel just
Position state, and the signal sensed is sent to industrial personal computer 60 and is handled；Power supply 90 is whole device power supply, can be cooperated outer
Set power supply adaptor power supply；The data of each detector, infrared inductor can be collected, be managed to industrial personal computer 60, and further lead to
Cross corresponding management software measure, record, data export.
Radiation detector assembly provided by the invention when in use, starts and initializes automatically after opening device, quilt when measurement
The both feet of survey personnel are stood on foot detector, and both hands are put into detection gap and corresponding hand detector, two-hand positions are put
Correct i.e. triggerable infrared inductor is set, crosses whether infrared sensor induction both hands are in place, and after hand is in place, industrial personal computer receives phase
The hand position signal answered simultaneously shows whether hand is in place；After both hands are in place, device initially enters the measurement page, measures
Cheng Zhongruo hand leaves detector, and process of measurement can terminate, and return to the standby page；Screen shows measurement result after measurement,
If any staiing then with red font warning and with acoustic alarm, entire measurement process is full-automatic, easy to detect quick.
Radiation detector assembly provided by the invention hand use 4 pieces of detectors, can detect simultaneously the left hand palm of the hand, the back of the hand and
The right hand palm of the hand, the back of the hand substantially reduce detection duration, by infrared inductor can be convenient detection right-hand man whether correct placement
In detection position, operate easier.
Fig. 9 is the stereoscopic schematic diagram of radiation detector assembly according to another embodiment of the invention, and Figure 10 is according to Fig. 9
Radiation detector assembly schematic rear view, Figure 11 be according to the side schematic view of the radiation detector assembly of Fig. 9, Fig. 9-Figure 11's
Embodiment compared with the embodiment of Fig. 1-Fig. 7, same or similar component by increase " ' " appended drawing reference be labeled,
The difference of the embodiment of Fig. 9-Figure 11 and the embodiment of Fig. 1-Fig. 7 is only described herein.In the embodiment of Fig. 9-Figure 11, it is
The radiation pollution situation of tested personnel's abdomen is detected, surface contamination is provided on the second rack 12' and is fixed
Frame 144', specifically, surface contamination fixed frame 144' are box shaped, are fixed on the first support panel 14' and support close to third
At frame 13', setting surface contamination probe 40' in surface contamination fixed frame 144', the test surface after surface contamination probe 40' installation
Towards tested personnel.
Figure 12 be according to the surface contamination of the radiation detector assembly of Fig. 9 pop one's head in 40' perspective view of the explosion, as shown in Figure 12,
Surface contamination probe 40' includes probe body, detector 46', the second mainboard 47' and handle, wherein probe body packet
It includes detector upper cover 41' and detector lower cover 48', detector upper cover 41' and detector lower cover 48' forms box-like space；Detection
Device 46' and the second mainboard 47' are placed in the box-like space, and detector 46' and the second mainboard 47' are communicated to connect；Handle and spy
Device cage connection is surveyed, handle is in handle, accommodate battery compartment in handle, placing battery (not shown) in battery compartment, battery and the
Two mainboard 47' are electrically connected, and are additionally provided with to pollute with the indicator light of the second mainboard 47' communication connection with display surface on handle and be popped one's head in
The working condition of 40'.
Further, in the fig. 12 embodiment, the one side of detector upper cover 41' has opening, the opening and detector
The shape of lower cover 48' matches, so that detector upper cover 41' and detector lower cover 48' can surround hollow box-like space；
Detector upper cover 41''s is internally provided with mounting base 44', designs multiple bolts hole, detector as needed on mounting base 44'
It is also equipped with corresponding bolt hole on 46' and the second mainboard 47', thus can be by detector 46', the by that will be bolted
Two mainboard 47' and detector lower cover 48' are fixed on detector upper cover 41'.The global shape of detector lower cover 48' is in be distributed with
The plate of multiple holes, so that the main body of detector lower cover 48' is formed as the shape of waffle slab；The size and shape of hole
Can be same or different, it is it is not limited here, flat where the main body for extending perpendicularly to detector lower cover 48' of hole
Face, the gross area of hole are not less than the 60% of the surface area of the scintillation crystal of the detector in corresponding surface contamination probe 40'.
In the fig. 12 embodiment, the second mainboard 47' is preferably FPGA (field programmable gate array) or MCU (micro-
Cyclelog), it may include preamplifier, main amplifier, time detection circuit and energy measuring electricity in the second mainboard 47'
Road etc., to acquire the electric signal from electrooptical device and calculate the energy of corresponding α, β ray photons in electric signal
Information, the second mainboard 47' can be connect simultaneously to handle simultaneously display surface pollution probe with industrial personal computer by communication interface 61,62
Radiation information collected.
Further, in the fig. 12 embodiment, surface contamination probe 40' can also include shield 49', shield
49' is set on the outside of detector lower cover 48' and cooperates with detector lower cover 48' or detector upper cover 41', shield 49'
Detector lower cover 48' is covered on the whole so that dust or foreign matter etc. not can enter the hole of detector lower cover 48' when storing
Interior pollution or damage detection device.Shield 49' can be connected and fixed directly in the groove at 10 edge of detector upper cover, or
Shield 49' can be set to be directly sleeved on outside surface contamination probe 40', and details are not described herein.
In Figure 12, handle includes handle upper cover 42' and handle lower cover 45', wherein handle upper cover 42' and subordinate
Lid 45' surrounds the handle of hollow similar cylinder, and fixation is bolted between handle upper cover 42' and handle lower cover 45'；?
It is covered on 42' on hand and is provided with upper cover notch, upper cover notch is connected to the battery compartment inside handle, so that being lacked by the upper cover
Mouth can load or take out the battery in battery compartment；Upper cover notch is detachably matched with battery cabin cap.Battery anode and
Cathode passes through conducting wire (not shown) respectively and connect with the second mainboard 47', this belongs to the common technology hand of those skilled in the art
Section, details are not described herein.
Those skilled in the art should be noted that the detector used in surface contamination probe 40' can be visited with hand
The detector surveyed in unit or foot probe unit is identical, for example, detector may include two electrooptical devices, it is same
The opposite two sides of scintillation crystal couple an electrooptical device respectively, and electrooptical device is connect with the second mainboard and same respectively
When read conversion electric signal improve the detection efficient of high-energy ray so as to increase the uniformity of Photon count statistic.
Figure 13 is the scheme of installation of hand probe unit according to still another embodiment of the invention, the embodiment of Figure 13
Compared with the embodiment of Fig. 1-Fig. 7, same or similar component pass through increase " " " appended drawing reference be labeled, herein only
The difference of the embodiment of Figure 13 and the embodiment of Fig. 1-Fig. 7 is described.In the embodiment of figure 13, hand probe unit 30 "
It also include two groups of hand detectors, first group of hand detector is set to the first shell 72 " one end 721 " place, second group of hand
Detector is set to the first shell 72 " the other end 722 " place, and two groups of hand detectors are about the first shell 72 " it is arranged symmetrically,
Each group of hand detector includes two detectors positioned opposite again, for example, first group of hand detector includes the first detection
Device 31 " and second detector 32 ", second group of hand detector include third detector 33 " and the 4th detector 34 ", herein only
It is described in detail by taking first group of hand detector as an example, passes through rotary shaft between the first detector 31 " and second detector 32 "
37 " it connects, rotary shaft 37 " being driven by the driver being built in rack, so that the first detector 31 " and second
Detector 32 " can surround rotary shaft 37 " is rotated.Hand is being put into detection gap by the tested personnel due to different heights
When interior, comfort level brought by the height difference that arm extends is different, which can be improved tested by the rotation of detector
The comfort level of personnel when detecting.
Above-described, only presently preferred embodiments of the present invention, the range being not intended to limit the invention, of the invention is upper
Stating embodiment can also make a variety of changes, for example industrial personal computer can be integrated in one with display unit.I.e. all foundations are originally
Simple, equivalent changes and modifications, fall within the invention patent made by claims and description of patent application
Claims.The not detailed description of the present invention is routine techniques content.
Claims (19)
1. a kind of radiation detector assembly, which is characterized in that the radiation detector assembly includes:
Bracket, the bracket have opposite top and bottom；
Hand probe unit, the hand probe unit are set to the top of the bracket, and the hand probe unit includes two
Group hand detector, hand detector described in two groups are respectively arranged at the opposite two sides in the top, and hand described in each group is visited
It surveys device and respectively includes two detectors, there is detection gap between two detectors in each group of hand detector；
Foot probe unit, the foot probe unit are set to the bottom of the bracket, and the foot probe unit includes two
A foot detector；
Industrial personal computer, the industrial personal computer are connect respectively with the detector and the foot detector to handle the detector and institute
State radiation detection signal received by foot detector；And
Power supply, the power supply are connect with the hand probe unit, the foot probe unit and the industrial personal computer respectively.
2. radiation detector assembly according to claim 1, which is characterized in that two in hand detector described in each group
It is parallel to each other between the detector.
3. radiation detector assembly according to claim 1, which is characterized in that each detector is placed in a detector
In box body, a detector grid orifice plate is fixed on one of surface of the detector box body, the test surface of the detector
It is corresponding with the detector grid orifice plate.
4. radiation detector assembly according to claim 3, which is characterized in that two in hand detector described in each group
The test surface of the detector faces each other setting.
5. radiation detector assembly according to claim 4, which is characterized in that be provided on the detector grid orifice plate several
Hole, the gross area of described hole are not less than the 60% of the test surface area.
6. radiation detector assembly according to claim 1, which is characterized in that be provided with infrared induction in the detection gap
Device, the infrared inductor are fixed on the top of the bracket, and the infrared inductor is connect with the industrial personal computer.
7. radiation detector assembly according to claim 1, which is characterized in that two foot detectors are parallel to each other row
Column, each described foot detector include several scintillation crystals and the electrooptical device coupled with scintillation crystal.
8. radiation detector assembly according to claim 1, which is characterized in that the foot probe unit further includes upper cover
Plate, the first mesh plate and mounting box, the foot detector are installed in the mounting box, and first mesh plate is installed on
On the upper cover plate and corresponding with the test surface of the foot detector, the upper cover plate is installed on the bottom of the rack,
The upper cover plate covers the mounting box.
9. radiation detector assembly according to claim 1, which is characterized in that the bottom of the rack is provided with clump weight.
10. radiation detector assembly according to claim 1, which is characterized in that the bracket includes the first support frame, second
Support frame and third support frame, it is opposite that the third support frame with first support frame is located at second support frame
Upper and lower ends and form the top and the bottom, while the third support frame is located at first support frame
The opposite two sides of plane where second support frame.
11. radiation detector assembly according to claim 10, which is characterized in that second support frame further includes first
Support panel, the second support panel and support frame, the support frame respectively with first support frame and the third branch
Support connection, the first support panel and the second support panel are covered on the surface of the support frame.
12. radiation detector assembly according to claim 11, which is characterized in that the power supply is fixedly installed on the support
In the gap of skeleton.
13. radiation detector assembly according to claim 11, which is characterized in that be provided on the first support panel logical
Believe interface and power interface.
14. radiation detector assembly according to claim 11, which is characterized in that close to described on the first support panel
Surface contamination fixed frame is provided at top.
15. radiation detector assembly according to claim 14, which is characterized in that the radiation detector assembly further includes surface
Pollution probe, the surface contamination probe are placed in the surface contamination fixed frame and connect with the industrial personal computer.
16. radiation detector assembly according to claim 15, which is characterized in that the surface contamination probe includes several
Scintillation crystal and the electrooptical device coupled with the scintillation crystal, the electrooptical device are connect with the second mainboard,
Second mainboard is connect with the industrial personal computer.
17. radiation detector assembly according to claim 1, which is characterized in that the radiation detector assembly further includes display
Unit, the display unit are set to the top of the bracket and connect with the industrial personal computer.
18. radiation detector assembly according to claim 1, which is characterized in that two in hand detector described in each group
It is connected between a detector by a shaft, the shaft is connect with driver.
19. radiation detector assembly according to claim 1, which is characterized in that the radiation detector assembly further includes first
Shell, first shell are set to the top of the bracket and coat the hand probe unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910185562.0A CN109884683A (en) | 2019-03-12 | 2019-03-12 | A kind of radiation detector assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910185562.0A CN109884683A (en) | 2019-03-12 | 2019-03-12 | A kind of radiation detector assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109884683A true CN109884683A (en) | 2019-06-14 |
Family
ID=66931910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910185562.0A Pending CN109884683A (en) | 2019-03-12 | 2019-03-12 | A kind of radiation detector assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109884683A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110687567A (en) * | 2019-11-26 | 2020-01-14 | 绵阳市维博电子有限责任公司 | Gamma pollution monitor and monitoring method |
| CN111308539A (en) * | 2020-03-24 | 2020-06-19 | 北京方鸿智能科技有限公司 | αβ measuring instrument |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102292654A (en) * | 2009-07-10 | 2011-12-21 | 富士电机株式会社 | Surface contamination monitor |
| CN102576084A (en) * | 2010-10-21 | 2012-07-11 | 富士电机株式会社 | Radiation monitor comprising hand monitor part, and hand foot clothing monitor |
| CN102998692A (en) * | 2011-09-16 | 2013-03-27 | 中国人民解放军63973部队 | Hands-and-feet contamination detecting instrument |
| CN203773063U (en) * | 2013-12-30 | 2014-08-13 | 中国辐射防护研究院 | Hand model used for calibration of hand and foot surface contamination monitoring meter |
| CN106405614A (en) * | 2016-10-26 | 2017-02-15 | 绵阳市维博电子有限责任公司 | Simple hand and foot detector |
| CN206020673U (en) * | 2016-08-30 | 2017-03-15 | 中广核久源（成都）科技有限公司 | α, β brothers surface contamination detector |
| CN208188349U (en) * | 2018-04-19 | 2018-12-04 | 苏州绿磁精密仪器有限公司 | Brothers' pollution detection instrument |
| CN108983275A (en) * | 2018-05-25 | 2018-12-11 | 长安大学 | A kind of trick surface α β contamination meter |
| CN209928027U (en) * | 2019-03-12 | 2020-01-10 | 苏州瑞派宁科技有限公司 | Radiation detection device |
-
2019
- 2019-03-12 CN CN201910185562.0A patent/CN109884683A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102292654A (en) * | 2009-07-10 | 2011-12-21 | 富士电机株式会社 | Surface contamination monitor |
| CN102576084A (en) * | 2010-10-21 | 2012-07-11 | 富士电机株式会社 | Radiation monitor comprising hand monitor part, and hand foot clothing monitor |
| CN102998692A (en) * | 2011-09-16 | 2013-03-27 | 中国人民解放军63973部队 | Hands-and-feet contamination detecting instrument |
| CN203773063U (en) * | 2013-12-30 | 2014-08-13 | 中国辐射防护研究院 | Hand model used for calibration of hand and foot surface contamination monitoring meter |
| CN206020673U (en) * | 2016-08-30 | 2017-03-15 | 中广核久源（成都）科技有限公司 | α, β brothers surface contamination detector |
| CN106405614A (en) * | 2016-10-26 | 2017-02-15 | 绵阳市维博电子有限责任公司 | Simple hand and foot detector |
| CN208188349U (en) * | 2018-04-19 | 2018-12-04 | 苏州绿磁精密仪器有限公司 | Brothers' pollution detection instrument |
| CN108983275A (en) * | 2018-05-25 | 2018-12-11 | 长安大学 | A kind of trick surface α β contamination meter |
| CN209928027U (en) * | 2019-03-12 | 2020-01-10 | 苏州瑞派宁科技有限公司 | Radiation detection device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110687567A (en) * | 2019-11-26 | 2020-01-14 | 绵阳市维博电子有限责任公司 | Gamma pollution monitor and monitoring method |
| CN111308539A (en) * | 2020-03-24 | 2020-06-19 | 北京方鸿智能科技有限公司 | αβ measuring instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Shao et al. | Development of a PET detector system compatible with MRI/NMR systems | |
| EP1262796B1 (en) | High spatial resolution scintigraphic device having collimator with integrated crystals | |
| US5041728A (en) | Portable personnel monitor which is collapsible for transporting and storage | |
| CN109884683A (en) | A kind of radiation detector assembly | |
| CN106997058B (en) | A kind of scintillator performance testing device and its Concordance method | |
| US20100264319A1 (en) | Intelligent Sensor Platform | |
| CN109143306A (en) | Nuclear radiation field imaging device based on cadmium-zinc-teiluride array | |
| CN103491876B (en) | Energy applicator | |
| CN209928027U (en) | Radiation detection device | |
| CN102183778A (en) | Flashing probe | |
| CN105676257B (en) | Radioactive activity detection device and its detection method in the mobile solid of miniaturization, liquid substance | |
| CN110426728A (en) | Radiation monitoring system and method | |
| CN109974810A (en) | A kind of more fronts radiation level-sensing device and its measurement method | |
| CN207752159U (en) | Array large area always puts detection device | |
| CN113484895B (en) | Alpha surface pollution detector and detection method for high radon background | |
| CN204086174U (en) | A kind of light guide test device | |
| CN219143105U (en) | Digital buried soil radon measuring instrument for monitoring earthquake precursor | |
| CN105444989A (en) | Light guide test device | |
| CN213275976U (en) | Device for rapidly detecting protection equivalent of radiation protection material | |
| GB2424702A (en) | Collecting data on radioactive material | |
| JP2825580B2 (en) | Apparatus for measuring radioactive properties and volumes of radioactive fluids | |
| CN205809315U (en) | A kind of radionuclide rapid detection system | |
| CN205317951U (en) | X ray energy fluence measuring device | |
| CN214750859U (en) | Fixed measuring device for depth position of 3mm of directional dose equivalent rate | |
| CN220437471U (en) | Granary cereal temperature measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190614 |