CN205581309U - Many detectors radiation protection detecting system - Google Patents

Abstract

The utility model discloses a many detectors radiation protection detecting system, including a plurality of support frames, a plurality of radiation detector, a plurality of wireless data transmission device and host computer, a harmfulness for radiating workplace protection detects, this detecting system can reduce the number of times of ray apparatus exposure (start) in the testing process, reduces the harm to the bulb, improves the precision of testing result, improves the work efficiency who detects, reduce the detection achievement personnel personal.

Description

A kind of multi-detector radiation protection detecting system

Technical field

This utility model relates to radiation protection detection technique field, especially relates to a kind of multi-detector radiation protection detection and is System, it is adaptable to the protection detection of various radioactive workplaces.

Background technology

According to " radiosiotope and x-ray apparatus safety and protection management method " (Chinese Ministry of Environmental Protection the 18th command), every Produce, sell and use the unit of radiosiotope and x-ray apparatus, it should according to state environmental monitoring specification, to phase Close place and carry out Radiation monitoring." treatment for radiation-caused disease administrative provisions " (Ministry of Public Health makes No. 46) file also specifies simultaneously, doctor Treat mechanism and periodically treatment for radiation-caused disease working space, radiosiotope storage place and protective equipment should be carried out radiation protection Detection, it is ensured that radiation level complies with relevant regulations or the requirement of standard.

The method that various x-ray apparatus working spaces are protected detection employing at present is: radiation protection testing staff is hand-held Detecting instrument, patrols survey and fixed point detection to radioactive workplace surrounding.

According to national standard requirement, test point position must contain four sides body of wall, floor, ceiling, machine room door, observation window, Film magazine, light inlet window/forms, pipeline hole etc..Owing to x-ray apparatus single exposure (start) time is the shortest, therefore, Often survey a some position, be required for exposing (start) once, just can complete the multiple test points in a radioactive workplace Completely protect detection, finally need x-ray apparatus continuous exposure more than 10 times, cause x-ray apparatus to connect at short notice Continuous exposure frequency is more, damages bulb；And owing to x-ray apparatus single exposure (start) time is the shortest, often cause X-ray apparatus exposure (start) time occur and detect time irreversibility, testing result has deviation, inaccurate more；And it is right In an x-ray apparatus working space, there is multiple measuring point to be checked, testing staff needs hand-held detecting instrument by above-mentioned many Individual measuring point to be checked all detects one time, wastes time and energy, if unsuccessful to certain measuring point one-time detection to be checked further, inspection Survey personnel also repeatedly to detect until success, and detection work efficiency is relatively low；And often surveying a some position, testing staff is Must handheld device arrive at test point position, although under normal circumstances, roentgendosis is relatively low, will not be to the body of testing staff Body health causes significantly negative effect, but, the low ray of dosage eventually or ray, the most so patrols and examines multiple point Position, suffers roentgenization for a long time, it is clear that harmful to healthy of testing staff, does not has benefit, and further ten thousand One occurs protecting underproof position, and testing staff patrols and examines in the case of unwitting, can be shone by additional radiation Penetrate, health risk.

Therefore, how to reduce the number of times of x-ray apparatus exposure (start) during detection, the reduction infringement to bulb, carry The precision of high detection result, improves the work efficiency of detection, and it is current for reducing the hazardness to detection staff's person Those skilled in the art need badly and solve the technical problem that.

Utility model content

In view of this, the purpose of this utility model is to provide a kind of multi-detector radiation protection detecting system, is used for radiating Working space protection detection, the method can reduce the number of times of x-ray apparatus exposure (start) during detection, and it is right to reduce The infringement of bulb, improves the precision of testing result, improves the work efficiency of detection, reduces detection staff's person Hazardness.

For solving above-mentioned technical problem, the technical scheme that this utility model provides is:

This utility model provides a kind of multi-detector radiation protection detecting system, including multiple bracing frames, multiple radiation detection Device, multiple wireless data transmission device and main frame；

Support frame as described above includes spider, montant, cross bar and pedestal；

Described montant is arranged on the stand of described spider and can slide up and down by the through hole along stand, described spider Being provided with the fastening rotary switch for fixing described montant on stand, described montant is fixed on institute by described fastening rotary switch Stating on the stand of spider, described montant is marked with the scale apart from described spider least significant end；

Described cross bar is arranged on described montant by slide fastener, and described cross bar is marked with distance scale, and scale is initial Value is arranged far from one end of described montant；

Described pedestal is used for fixedly mounting described radiation detector, and is arranged on described cross bar by slide fastener；

It is provided with on described radiation detector for the data of described radiation detector detection gained are carried out wireless data biography Defeated wireless data transmission device, described radiation detector electrically connects with described wireless data transmission device；

At least provided with a described radiation detector on each support frame as described above, each described radiation detector is at least provided with one Individual described wireless data transmission device；

Described main frame include the wireless data of the data launched for receiving radio data transmitting device receive device, for Store described wireless data and receive the data storage device of the data that device receives, for described wireless data is received dress Put the data received and carry out the data processing equipment of Treatment Analysis, after showing described data processing equipment Treatment Analysis The display of the analysis result obtained and receiving at device, data storage device, data for controlling described wireless data The controller that reason device and display run.

Preferably, described radiation detector is gas ionization detector, semiconductor detector, scintillator detector and cuts One or more in Lun Kefu detector.

Preferably, when described radiation detector is scintillator detector, described scintillator detector include scintillator and Photomultiplier tube；

Described scintillator includes a center scintillator and several are around scintillator；

The profile of described center scintillator is to include a large end face, a small end face and the prismatoid shape of four sides, And the large end face of described center scintillator is rectangle with small end face and is parallel to each other, and four sides of described center scintillator Face is isosceles trapezoid；

Offer on the large end face of described center scintillator and start to be gradually reduced to small end face extension and its internal diameter from large end face A prismatoid shape cavity, described prismatoid shape cavity includes the large end face fabricated, a small end face and four Side, and the large end face of described prismatoid shape cavity is rectangle with small end face and is parallel to each other, and described prismatoid shape is empty Four sides in chamber are isosceles trapezoid；

Two imaginary longitudinal center's planes of symmetry of described prismatoid shape cavity with two of corresponding described center scintillator The longitudinal center plane of symmetry overlaps, and between the relative side of any two in four sides of described prismatoid shape cavity Angle is more than the angle between two opposite flanks in four sides of corresponding described center scintillator and described trapezoidal The small end face of the small end face of body shape cavity and described center scintillator is in a distance；

And the entrance point of the small end face of described center scintillator and described photomultiplier tube is fixing is connected；

Several described profiles around scintillators are include a large end face, a small end face and four sides trapezoidal Body shape, and the described large end face around scintillator is rectangle with small end face and is parallel to each other, and described cincture scintillator Four sides are isosceles trapezoid；

And whole described large end faces around scintillator fix with the entrance point of described photomultiplier tube and are connected；

Several described cincture scintillator wire loops centered by the longitudinal centre line of described center scintillator are close to around uniform Outside the surrounding of described center scintillator, and whole described small end faces around scintillators and described center scintillator after assembling Large end face in approximately the same plane, and whole described large end faces around scintillators and described center scintillator after assembling Small end face is in approximately the same plane；

Be provided with on all exposed faces in addition to described small end face of described center scintillator for prevent described in The optical reflecting layer penetrated outside the visible ray produced in heart scintillator；

It is provided with for preventing on all exposed faces in addition to described large end face of whole described cincture scintillators State the optical reflecting layer penetrated outside the visible ray produced in scintillator；

Described center scintillator is connected by optical coupled dose of bonding with whole described cincture scintillators.

Preferably, described scintillator detector also includes the optically focused being arranged between described scintillator and described photomultiplier tube Body, an end face of described condensing body identical with the rear end face area of described scintillator and by optical coupled dose with described sudden strain of a muscle The rear end face bonding of bright body connects, another end face of described condensing body by optical coupled dose with described photomultiplier tube Entrance point bonding connects；

Described condensing body include lateral cross section be circular small-sized convex lens, lateral cross section be circular medium-sized convex lens and Optical coupled oxidant layer；

Each described one described medium-sized convex lens of correspondence placement, each described medium-sized convex lens at the large end face of scintillator The longitudinal center line of mirror is perpendicular to the described large end face around scintillator of correspondence；

At the small end face of described center scintillator, correspondence places a described small-sized convex lens, described small-sized convex lens axial Central axis is in the small end face of corresponding described center scintillator；

Described optical coupled oxidant layer bonds embedding cloth at described scintillator, small-sized convex lens, medium-sized convex lens and photomultiplier tube Between.

Preferably, described condensing body also includes at least one large-scale convex lens, the external diameter of described large-scale convex lens and whole institute The rear end face external diameter stating scintillator is identical, described large-scale convex lens be placed on described small-sized convex lens and medium-sized convex lens with Between the entrance point of described photomultiplier tube, the longitudinal center line of described large-scale convex lens is perpendicular to described center scintillator Small end face；

Described optical coupled oxidant layer bonds embedding cloth at described scintillator, small-sized convex lens, medium-sized convex lens, large-scale convex lens And between photomultiplier tube.

Preferably, described data storage device is provided with usb data output interface.

Compared with prior art, this utility model provides a kind of multi-detector radiation protection detecting system, is detecting Multiple detectors are arranged on above-mentioned pedestal by Cheng Zhong, are fixed on triangular support bracket, and each bracing frame is fixed at least One detector (probe), multiple gusseted are placed on radioactive workplace needs each position of detection, root According to standard-required, the position should placed according to each test point location probe, by adjusting the montant on triangular support bracket Distance scale with on cross bar, reaches requirement.All detectors (probe) used in detection, all by wireless The mode of transmission, with main frame is connected；X-ray apparatus is according to the start exposure of required testing conditions, the spy of each test point position Survey device and all can detect the dosage rate values of present position, by being wirelessly transferred, directly will detect data transfer to main frame, Each detector indicating value is directly displayed at host interface.During detection, x-ray apparatus only need to expose start once, this radiation work Place the detection numerical value of a little position all can disposably obtain, thus complete the radiation protection to whole radioactive workplace Detection, it is not necessary to the repetition of x-ray apparatus, multiexposure, multiple exposure, effectively protects x-ray apparatus bulb.

Meanwhile, conventional detection technique, testing staff handheld device detection from operating room point position farther out time, it is impossible to accurate True knows when operator start start exposure, exposes it is, detection equipment cannot detect whole start accurately The process of light, because x-ray apparatus time of exposure is the shortest sometimes, by mobile phone communication or other modes, passes on exposure to open Begin the process stopped, the deviation that middle existence is the biggest.And if the detecting system using this utility model to provide detects If, before testing, install the detector (probe) of each test point position in advance to put and put in place standby, open master Machine, operator, in the whole process of start exposure, can show the detection numerical value of each test point position at any time by main frame, whole The detection change in value of individual exposure process all stores record on main frame, does not haves the exposure available machine time with detection time not Synchronizing, detector cannot respond to x-ray apparatus start exposure process, causes the detection inaccurate phenomenon of numerical value, improves The precision of testing result, and disposably complete the detection to whole ray working space, improve the work effect of detection Rate.

Further, protect now detection technique, need testing staff's hand-held detection equipment to arrive each point needing detection Position is detected, and protects underproof situation if there is somewhere, then testing staff will be irradiated by ray.And this The detecting system that utility model provides, during detection, it is not necessary to testing staff arrives at test point position, only needs testing staff Operation main frame, observes each change detecting Point location detection numerical value in host display at operation room, at any time even if occurring Underproof situation is protected in test point position, somewhere, and testing staff also will not be irradiated by ray, well protects detection The personal safety of personnel, reduces the hazardness healthy to them.No matter this utility model is to tested unit, also It is all favourable to detection unit, well protects the interests of the two.

Accompanying drawing explanation

The structural representation of the scintillator detector that Fig. 1 provides for this utility model embodiment.

In figure: 1 scintillator, 101 center scintillators, 102 around scintillator, 103 prismatoid shape cavitys, 104 optics Reflecting layer, 2 photomultiplier tubes, 3 small-sized convex lenss, 4 medium-sized convex lenss, 5 large-scale convex lenss, 6 optical coupled oxidant layer.

Detailed description of the invention

For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with embodiment, to this practicality Technical scheme in new embodiment is clearly and completely described, it is clear that described embodiment is this utility model A part of embodiment rather than whole embodiments.Based on the embodiment in this utility model, ordinary skill The every other embodiment that personnel are obtained on the premise of not making creative work, broadly falls into this utility model protection Scope.

In description of the present utility model, it is to be understood that term " " center ", " axially ", " radially ", " longitudinally ", " laterally ", " length ", " width ", " on ", D score, "front", "rear", "left", "right", " top ", " end ", " interior ", Orientation or the position relationship of the instruction such as " outward ", " clockwise ", " counterclockwise " are the side under scintillator detector use state Position or position relationship, be for only for ease of and describe this utility model and simplify description rather than instruction or the dress of hint indication Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that new to this practicality The restriction of type.

In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it D score, can include that the first and second features directly contact, it is also possible to include that the first and second features are not directly contacts But by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " include fisrt feature second feature surface and oblique upper, or be merely representative of fisrt feature level height Higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " include that fisrt feature is second The underface of feature and obliquely downward, or it is merely representative of fisrt feature level height less than second feature.

Structural representation with reference to the scintillator detector that Fig. 1, Fig. 1 provide for this utility model embodiment.

This utility model provides a kind of multi-detector radiation protection detecting system, visits including multiple bracing frames, multiple radiation Survey device, multiple wireless data transmission device and main frame；

Bracing frame includes spider, montant, cross bar and pedestal；

Montant is arranged on the stand of spider and can slide up and down by the through hole along stand, and the stand of spider is provided with For fixing the fastening rotary switch of montant, montant is fixed on the stand of spider by fastening rotary switch, and montant is marked with The scale of distance spider least significant end；

Cross bar is arranged on montant by slide fastener, and cross bar is marked with distance scale, and scale initial value is arranged far from One end of montant；

Pedestal is used for fixedly mounting radiation detector, and is arranged on cross bar by slide fastener；

It is provided with on radiation detector and carries out the wireless of wireless data transmission for the data that radiation detector is detected gained Data transmission device, radiation detector electrically connects with wireless data transmission device；

At least provided with a radiation detector on each bracing frame, each radiation detector passes at least provided with a wireless data Defeated device；

Main frame includes that the wireless data of the data launched for receiving radio data transmitting device receives device, for storing Wireless data receives the data storage device of the data that device receives, for wireless data is received the number that device receives According to the data processing equipment that carries out Treatment Analysis, the analysis result that obtains after display data processing apparatus Treatment Analysis Display and being used for controls wireless data and receives device, data storage device, data processing equipment and display and run Controller.

In an embodiment of the present utility model, radiation detector is gas ionization detector, semiconductor detector, sudden strain of a muscle One or more in bright bulk detector and Cerenkov detector.

In an embodiment of the present utility model, when radiation detector is scintillator detector, scintillator detector bag Include scintillator 1 and photomultiplier tube 2；

Scintillator 1 includes a center scintillator 101 and several are around scintillator 102；

The profile of center scintillator 101 is to include a large end face, a small end face and the prismatoid shape of four sides, And the large end face of center scintillator 101 is rectangle with small end face and is parallel to each other, and four sides of center scintillator 101 Face is isosceles trapezoid；

Offer on the large end face of center scintillator 101 and to start to extend to small end face from large end face and its internal diameter is gradually reduced One prismatoid shape cavity 103, prismatoid shape cavity 103 includes a large end face, the small end face and four fabricated Individual side, and the large end face of prismatoid shape cavity 103 is rectangle with small end face and is parallel to each other, and prismatoid shape cavity Four sides of 103 are isosceles trapezoid；

Two imaginary longitudinal center's planes of symmetry of prismatoid shape cavity 103 are indulged with two of corresponding center scintillator 101 Overlap to centrosymmetry face, and the folder between the relative side of any two in four sides of prismatoid shape cavity 103 Angle is more than the angle between two opposite flanks in four sides of corresponding center scintillator 101, and prismatoid shape is empty The small end face of the small end face in chamber 103 and center scintillator 101 is in a distance；

And the entrance point of the small end face of center scintillator 101 and photomultiplier tube 2 is fixing is connected；

Several are include a large end face, a small end face and four sides trapezoidal around the profile of scintillators 102 Body shape, and be rectangle with small end face around the large end face of scintillator 102 and be parallel to each other, and cincture scintillator 102 Four sides are isosceles trapezoid；

And fix be connected entirely around the large end face of scintillator 102 and the entrance point of photomultiplier tube 2；

Several around scintillators 102 centered by the longitudinal centre line of center scintillator 101 wire loop in uniform being close to Outside the surrounding of heart scintillator 101, and entirely around small end face and the center scintillator 101 of scintillator 102 after assembling Large end face is in approximately the same plane, and entirely around large end face and center scintillator 101 little of scintillator 102 after assembling End face is in approximately the same plane；

It is provided with for preventing center scintillator on all exposed faces in addition to small end face of center scintillator 101 The optical reflecting layer 104 penetrated outside the visible ray produced in 101；

Entirely around being provided with on all exposed faces in addition to large end face of scintillator 102 for preventing around flicker The optical reflecting layer 104 penetrated outside the visible ray produced in body 102；

Center scintillator 101 is connected by optical coupled dose of bonding around scintillator 102 with whole.

The profile of center scintillator 101 is to include a large end face, a small end face and the prismatoid shape of four sides, And the large end face of center scintillator 101 is rectangle with small end face and is parallel to each other, and four sides of center scintillator 101 Face is isosceles trapezoid and makes the relative side of any two of which all symmetrical about longitudinal center's plane of symmetry so that it is arbitrary One longitudinal cross-section is isosceles trapezoid；Preferably, the large end face of center scintillator 101 and small end face are square.

Offer on the large end face of center scintillator 101 and to start to extend to small end face from large end face and its internal diameter is gradually reduced One prismatoid shape cavity 103, prismatoid shape cavity 103 includes a large end face, the small end face and four fabricated Individual side, and the large end face of prismatoid shape cavity 103 is rectangle with small end face and is parallel to each other, and prismatoid shape cavity Four sides of 103 are isosceles trapezoid and make the relative side of any two of which all about longitudinal center's plane of symmetry pair Claim so that its arbitrary longitudinal cross-section is isosceles trapezoid；Preferably, the large end face of prismatoid shape cavity 103 is with little End face is square.

Two imaginary longitudinal center's planes of symmetry of prismatoid shape cavity 103 are indulged with two of corresponding center scintillator 101 Overlap to centrosymmetry face, be arranged such so that each side of prismatoid shape cavity 103 all flashes with corresponding center The side of body 101 is the most corresponding, face-to-face.

And the angle between the relative side of any two in four sides of prismatoid shape cavity 103 is more than in corresponding The angle between two opposite flanks in four sides of heart scintillator 101, is arranged such so that empty molding trapezoidal After body shape cavity 103, center scintillator 101 remaining surrounding lateral parts remains prismatoid shape along its length, The face area entering ray end is relatively big, and the face area going out photon end is less.

Several are include a large end face, a small end face and four sides trapezoidal around the profile of scintillators 102 Body shape, and be rectangle with small end face around the large end face of scintillator 102 and be parallel to each other, and cincture scintillator 102 It is all symmetrical about longitudinal center's plane of symmetry that four sides are the side that isosceles trapezoid makes any two of which relative so that Its arbitrary longitudinal cross-section is isosceles trapezoid；Preferably, arbitrary large end face around scintillator 102 is equal with small end face For square.

The operation principle of scintillator detector is substantially: radioprotective ray injects scintillator detection by self penetration capacity In scintillator 1 in device, scintillator 1, due to the ins and outs of self, accepts the energy excitation of ray, and then de excitation is sent out Going out macroscopic fluorescent photon, fluorescent photon, in scintillator 1 internal reflection, finally reflects scintillator 1, enters photoelectricity Multiplier tube 2, is converted optical signals to the signal of telecommunication by photomultiplier tube 2, thus obtains the detection data of ray.Work as ray After one end of scintillator 1 is transmitted into scintillator 1, near enter ray end part de excitation output photon, then remove The most individual other photon directly along the longitudinal direction of scintillator 1 without entering reflectingly beyond in photomultiplier tube 2, other are most Multiple reflections is there is, in the longitudinal direction side of scintillator 1 in photon between certain a pair relative two side of scintillator 1 The most gradually move to going out photon end from entering ray end, finally reflect away from the photon end that goes out of scintillator 1, subsequently enter Photomultiplier tube 2.The reflection in scintillator 1 of the above-mentioned photon, as the reflection of other photons or light, meets all Light principle of reflection.

In view of above-mentioned principle, this utility model design scintillator 1 includes multiple around scintillator 102, and multiple around dodging Bright body 102 is above-mentioned prismatoid shape, and is set to into ray end, by cincture by the small end face around scintillator 102 The large end face of scintillator 102 is set to photon end.Owing to the arbitrary longitudinal cross-section around scintillator 102 is Waist is trapezoidal, when above-mentioned photon is oneself enters ray end and moves to going out photon end in the way of multiple reflections in the scintillator 102 During, the angle of incidence of above-mentioned photon is gradually increased along with the increase of order of reflection, and scintillator of the prior art Longitudinal cross-section be mostly rectangle, a pair side that reflection occurs is parallel, and in the multiple reflections front and back occurred, photon enters Firing angle is all equal, constant, according to light reflection principle, in the scintillator 1 of equal longitudinal length, angle of incidence The reflectivity invariable incident angle ground reflection of more and more bigger ground can be earlier through the longitudinal length of whole scintillator 1, i.e. angle of incidence Increasingly earth reflection can be to reflect with less reflection total degree through the longitudinal direction of whole scintillator 1 than invariable incident angle Length, goes out photon end with what shorter photon motion total kilometres arrived scintillator 1, and less reflection total degree is with shorter Motion total kilometres mean the light loss that photon is less in communication process, improve the propagation efficiency of light so that photon exists Remain with more primary power when moving on photomultiplier tube 2, improve the collecting effect of photon, improve flicker The sensitivity of bulk detector and data accuracy.

This utility model further, is emptied on the center scintillator 101 of above-mentioned prismatoid shape and is formed with one and is equally The above-mentioned cavity of prismatoid shape, and two the imaginary longitudinal center's planes of symmetry arranging prismatoid shape cavity 103 are with corresponding The Liang Ge longitudinal center plane of symmetry of center scintillator 101 overlaps, and any in four sides of prismatoid shape cavity 103 Angle between two relative sides more than corresponding center scintillator 101 four sides in two opposite flanks it Between angle, and the small end face of the small end face of prismatoid shape cavity 103 and center scintillator 101 is in a distance, as This is arranged so that in the remainder of center scintillator 101, except the sub-fraction near small end face, other surrounding side Face part remains prismatoid shape along its length, and this prismatoid is as above-mentioned cincture scintillator 102, also Be small end face be ray enter ray end, be also large end face for going out photon end, when photon reflects wherein, be also as anti- The angle of incidence that increases penetrating number of times is gradually increased, with less reflection total degree with shorter photon total kilometres from center scintillator The small end face of 101 reflects away, and improves the propagation efficiency of light so that photon is protected when moving on photomultiplier tube 2 Leaving more primary power, improve the collecting effect of photon, the sensitivity and the data that improve scintillator detector are accurate Really property.

It is provided with for preventing center scintillator on all exposed faces in addition to small end face of center scintillator 101 The optical reflecting layer 104 penetrated outside the visible ray produced in 101 so that photon energy in center scintillator 101 and can only be from Its small end face reflects away.

Entirely around being provided with on all exposed faces in addition to large end face of scintillator 102 for preventing around flicker The optical reflecting layer 104 penetrated outside the visible ray produced in body 102；Make the photon energy in the scintillator 102 and can only Reflect away from its large end face.

Above-mentioned optical reflecting layer 104 can be that aluminium foil, aluminized plastic film, magnesium oxide or titanium dioxide are made.Optics Reflecting layer 104 can only stop the transmission of photon so that it is reflection, and can not stop the transmission of radioprotective ray.

Center scintillator 101 is connected by optical coupled dose of bonding around scintillator 102 with whole.Optical coupled dose is Silicone grease or optics cement, be initially liquid or pureed, is the optical coupled oxidant layer 6 of solid-state after solidification.

In an embodiment of the present utility model, scintillator detector also includes being arranged on scintillator 1 and photomultiplier tube Condensing body between 2, an end face of condensing body identical with the rear end face area of scintillator 1 and by optical coupled dose with The rear end face bonding of scintillator 1 connects, another end face of condensing body by optical coupled dose with the entering of photomultiplier tube 2 Mouth end bonding connects；

Condensing body include lateral cross section be circular small-sized convex lens 3, lateral cross section be circular medium-sized convex lens 4 and Optical coupled oxidant layer 6；

Each one medium-sized convex lens 4 of correspondence placement at the large end face of scintillator 102, each medium-sized convex lens 4 Longitudinal center line is perpendicular to the large end face around scintillator 102 of correspondence；

At the small end face of center scintillator 101, correspondence places a small-sized convex lens 3, the axial centre of small-sized convex lens 3 Line is perpendicular to the small end face of the center scintillator 101 of correspondence；

Optical coupled oxidant layer 6 bonds embedding cloth at scintillator 1, small-sized convex lens 3, medium-sized convex lens 4 and photomultiplier tube 2 Between.

In an embodiment of the present utility model, condensing body also includes at least one large-scale convex lens 5, large-scale convex lens The external diameter of 5 is identical with the rear end face external diameter of whole scintillator, and large-scale convex lens 5 is placed on small-sized convex lens 3 and medium-sized Between the entrance point of convex lens 4 and photomultiplier tube 2, the longitudinal center line of large-scale convex lens 5 is perpendicular to center scintillator The small end face of 101；

Optical coupled oxidant layer 6 bonds embedding cloth at scintillator 1, small-sized convex lens 3, medium-sized convex lens 4, large-scale convex lens 5 And between photomultiplier tube 2.

This utility model make full use of convex lens can to light converge principle, the transmission path of photon is arranged multilamellar, Small-sized convex lens 3, medium-sized convex lens 4 and the large-scale convex lens 5 that size does not waits, the photon that scintillator is produced Layer by layer to centre convergence so that photon finally pools a branch of directional light that external diameter is less, being even merged into one can See light ray, subsequently into photomultiplier tube 2 so that the energy of a plurality of visible light rays can compare intensively by photoelectricity Multiplier tube 2 absorbs, and improves the collecting effect of photon, improves sensitivity and the data accuracy of scintillator detector.

In an embodiment of the present utility model, data storage device is provided with usb data output interface, with side Just will detection data unofficial biography.

The using method of above-mentioned a kind of multi-detector radiation protection detecting system is: comprise the following steps:

1) at least one radiation detector, described spoke are laid at the measuring point position each to be checked in x-ray apparatus working space Penetrate the wireless number being provided with on detector for the data of described radiation detector detection gained being carried out wireless data transmission According to transmitting device, described radiation detector electrically connects with described wireless data transmission device, then open radiation detector with The run switch of wireless data transmission device, standby；

2) by x-ray apparatus start exposure, in start exposure process, the detection of described radiation detector obtains the inspection of ray Survey data；

3) the detection data that described radiation detector is obtained by described wireless data transmission device are by the way of being wirelessly transferred It is transferred to main frame；

Described wireless data receives device and the detection data received is transferred to described data processing equipment, the most described number According to processing means, detection data being carried out Treatment Analysis, draw analysis result, analysis is tied by the most described data processing equipment Fruit is transferred to described display and shows with the form of datagram or tables of data, and the most described data processing equipment also will divide Analysis result is transferred to described data storage device testing result to be stored.

This utility model mentions multiple technical problem, is simultaneous for each technical problem and proposes corresponding technical scheme.Multiple Technical problem is not separate, is interactional so that above-mentioned multiple technical schemes are solving corresponding technology On the basis of problem, further and other solution pool, can significantly improve and solve acquired by corresponding technical problem Technique effect, or multiple technical problem can be solved simultaneously.Solve corresponding technology in each independent technical scheme to ask On the basis of topic, multiple laddering technical schemes are mutually combined superposition, cooperate, mutually promote between technical scheme, Forming an overall plan, the technique effect of acquirement is much better than the technique effect of an any of the above described technical scheme, and superposition is imitated Should be notable.

Material, method and device that the application does not describes in detail are prior art.

Principle of the present utility model and embodiment are set forth by specific embodiment used herein, above example Explanation be only intended to help to understand method of the present utility model and core concept thereof.It should be pointed out that, for the art Those of ordinary skill for, on the premise of without departing from this utility model principle, it is also possible to if this utility model is carried out Dry improvement and modification, these improve and modification also falls in this utility model scope of the claims.

Claims (6)

1. a multi-detector radiation protection detecting system, it is characterised in that include that multiple bracing frame, multiple radiation are visited Survey device, multiple wireless data transmission device and main frame；

Support frame as described above includes spider, montant, cross bar and pedestal；

Described montant is arranged on the stand of described spider and can slide up and down by the through hole along stand, described spider Being provided with the fastening rotary switch for fixing described montant on stand, described montant is fixed on institute by described fastening rotary switch Stating on the stand of spider, described montant is marked with the scale apart from described spider least significant end；

Described cross bar is arranged on described montant by slide fastener, and described cross bar is marked with distance scale, and scale is initial Value is arranged far from one end of described montant；

Described pedestal is used for fixedly mounting described radiation detector, and is arranged on described cross bar by slide fastener；

It is provided with on described radiation detector for the data of described radiation detector detection gained are carried out wireless data biography Defeated wireless data transmission device, described radiation detector electrically connects with described wireless data transmission device；

At least provided with a described radiation detector on each support frame as described above, each described radiation detector is at least provided with one Individual described wireless data transmission device；

Described main frame include the wireless data of the data launched for receiving radio data transmitting device receive device, for Store described wireless data and receive the data storage device of the data that device receives, for described wireless data is received dress Put the data received and carry out the data processing equipment of Treatment Analysis, after showing described data processing equipment Treatment Analysis The display of the analysis result obtained and receiving at device, data storage device, data for controlling described wireless data The controller that reason device and display run.

Multi-detector radiation protection detecting system the most according to claim 1, it is characterised in that described radiation is visited Survey device be the one in gas ionization detector, semiconductor detector, scintillator detector and Cerenkov detector or Multiple.

Multi-detector radiation protection detecting system the most according to claim 2, it is characterised in that when described radiation When detector is scintillator detector, described scintillator detector includes scintillator and photomultiplier tube；

Described scintillator includes a center scintillator and several are around scintillator；

The profile of described center scintillator is to include a large end face, a small end face and the prismatoid shape of four sides, And the large end face of described center scintillator is rectangle with small end face and is parallel to each other, and four sides of described center scintillator Face is isosceles trapezoid；

Offer on the large end face of described center scintillator and start to be gradually reduced to small end face extension and its internal diameter from large end face A prismatoid shape cavity, described prismatoid shape cavity includes the large end face fabricated, a small end face and four Side, and the large end face of described prismatoid shape cavity is rectangle with small end face and is parallel to each other, and described prismatoid shape is empty Four sides in chamber are isosceles trapezoid；

Two imaginary longitudinal center's planes of symmetry of described prismatoid shape cavity with two of corresponding described center scintillator The longitudinal center plane of symmetry overlaps, and between the relative side of any two in four sides of described prismatoid shape cavity Angle is more than the angle between two opposite flanks in four sides of corresponding described center scintillator and described trapezoidal The small end face of the small end face of body shape cavity and described center scintillator is in a distance；

And the entrance point of the small end face of described center scintillator and described photomultiplier tube is fixing is connected；

Several described profiles around scintillators are include a large end face, a small end face and four sides trapezoidal Body shape, and the described large end face around scintillator is rectangle with small end face and is parallel to each other, and described cincture scintillator Four sides are isosceles trapezoid；

And whole described large end faces around scintillator fix with the entrance point of described photomultiplier tube and are connected；

Several described cincture scintillator wire loops centered by the longitudinal centre line of described center scintillator are close to around uniform Outside the surrounding of described center scintillator, and whole described small end faces around scintillators and described center scintillator after assembling Large end face in approximately the same plane, and whole described large end faces around scintillators and described center scintillator after assembling Small end face is in approximately the same plane；

Be provided with on all exposed faces in addition to described small end face of described center scintillator for prevent described in The optical reflecting layer penetrated outside the visible ray produced in heart scintillator；

It is provided with for preventing on all exposed faces in addition to described large end face of whole described cincture scintillators State the optical reflecting layer penetrated outside the visible ray produced in scintillator；

Described center scintillator is connected by optical coupled dose of bonding with whole described cincture scintillators.

Multi-detector radiation protection detecting system the most according to claim 3, it is characterised in that described scintillator Detector also includes the condensing body being arranged between described scintillator and described photomultiplier tube, an end of described condensing body Face is identical with the rear end face area of described scintillator and is connected with the rear end face bonding of described scintillator by optical coupled dose, Another end face of described condensing body is connected with the entrance point bonding of described photomultiplier tube by optical coupled dose；

Described condensing body include lateral cross section be circular small-sized convex lens, lateral cross section be circular medium-sized convex lens and Optical coupled oxidant layer；

Each described one described medium-sized convex lens of correspondence placement, each described medium-sized convex lens at the large end face of scintillator The longitudinal center line of mirror is perpendicular to the described large end face around scintillator of correspondence；

At the small end face of described center scintillator, correspondence places a described small-sized convex lens, described small-sized convex lens axial Central axis is in the small end face of corresponding described center scintillator；

Described optical coupled oxidant layer bonds embedding cloth at described scintillator, small-sized convex lens, medium-sized convex lens and photomultiplier tube Between.

Multi-detector radiation protection detecting system the most according to claim 4, it is characterised in that described condensing body is also Including at least one large-scale convex lens, the rear end face external diameter phase of the external diameter of described large-scale convex lens and whole described scintillator With, described large-scale convex lens is placed on the entrance point of described small-sized convex lens and medium-sized convex lens and described photomultiplier tube Between, the longitudinal center line of described large-scale convex lens is perpendicular to the small end face of described center scintillator；

Described optical coupled oxidant layer bonds embedding cloth at described scintillator, small-sized convex lens, medium-sized convex lens, large-scale convex lens And between photomultiplier tube.

Multi-detector radiation protection detecting system the most according to claim 1, it is characterised in that described data store Usb data output interface it is provided with on device.