CN101937097B - Cabinet body provided with gamma detector and neutron detector and radioactive substance detection system - Google Patents
Cabinet body provided with gamma detector and neutron detector and radioactive substance detection system Download PDFInfo
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- CN101937097B CN101937097B CN200910088637XA CN200910088637A CN101937097B CN 101937097 B CN101937097 B CN 101937097B CN 200910088637X A CN200910088637X A CN 200910088637XA CN 200910088637 A CN200910088637 A CN 200910088637A CN 101937097 B CN101937097 B CN 101937097B
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Abstract
The invention discloses a cabinet body provided with a gamma detector and a neutron detector, which comprises an upper frame, a lower frame, a left frame, a right frame, an upper bracket, a lower bracket, a vertical bracket, at least three left longitudinal brackets and at least three right longitudinal brackets. The upper frame, the lower frame, the left frame and the right frame, which have a preset thickness and are arranged in the anterior-posterior direction of the cabinet body, are mutually connected to form a cuboid structure. The upper bracket and the lower bracket are arranged on the inner sides of the upper frame and the lower frame along the thickness direction of the cabinet body. The vertical bracket can be installed between the upper frame and the lower frame. The at least three left longitudinal brackets and the at least three right longitudinal brackets are respectively installed on the left frame and the right frame along the thickness direction of the cabinet body and are installed at an equal distance along the up-down direction. The vertical bracket, the left longitudinal brackets and the right longitudinal brackets are respectively and relatively provided with a plurality of first installation parts used for installing the gamma detector and a plurality of second installation parts used for installing the neutron detector. The invention also provides a radioactive substance detection system of the cabinet body.
Description
Technical field:
The present invention relates to a kind of cabinet that the radiomaterial pick-up unit is installed, this radiomaterial possibly be present in train, container and oversize vehicle.Particularly, the present invention relates to a kind of radiomaterial detection system of the cabinet of a gamma detector and a neutron detector being installed and comprising this cabinet of being used to.
Background technology
In customs, civil aviaton, railway, transport by road or near the nuclear power station, will detect whether there are radioactive ray usually, thereby determine whether to exist radiomaterial.As shown in Figure 1, in order to detect, two groups of checkout equipments are installed Face to face usually such as main equipments such as container, lorries.In detail, traditional radiomaterial detection system comprises major-minor two groups of cabinets, and major-minor pick-up unit comprises two groups of cabinets up and down again, is respectively Your Majesty's cabinet, main cabinet down, auxilliary Over-The-Counter, auxilliary cabinet down.And the inside of each cabinet is all installed a gamma detector and a neutron detector respectively.The height and the thickness of gamma detector and neutron detector are roughly the same, but the width of gamma detector is generally greater than the width of neutron detector.
Because the use user of radiomaterial detection system is different, gamma detector that major-minor pick-up unit is inner and neutron detector need multilayer ground positioned opposite.In order to enlarge sensing range, the radiomaterial detection system needs up and down the identical detector positioned opposite in two cabinets.And for the user of some region, two inner detectors of single cabinet need be arranged to the height adjustable ground.Further, because the detected object of radiomaterial detection system is different, the inner detector of cabinet possibly adjusted with the difference of removable carrier, to satisfy more large user's demand.
In order to adapt to the needs of different user or different objective circumstances, the installation direction up and down of gamma detector in each cabinet and neutron detector, left and right sides arrangement and setting height(from bottom) all possibly change.For this reason, need to change the inside mounting structure of each cabinet, to adapt to these variations.As a result, needs are made different cabinets to different installation requirements, improve the manufacturing cost of cabinet, have also increased to have difficulty.
Summary of the invention
The present invention provides the cabinet of a kind of installation one gamma detector and a neutron detector; Said cabinet can adopt unified mounting structure with different installation gamma detector and neutron detector to be installed; And a kind of modular design, production is provided, the cabinet of assembling flexibly.The present invention also provides a kind of radiomaterial detection system that comprises this cabinet.
In order to reach above-mentioned goal of the invention; Technical scheme of the present invention realizes as follows: the cabinet that a kind of installation one gamma detector and a neutron detector are provided; Comprise: on the fore-and-aft direction of cabinet, have upper frame, underframe, left frame and the correct frame of predetermined thickness, said framework is interconnected to rectangular structure; Be arranged on the upper bracket on the upper frame inboard and be arranged on the lower carriage on the underframe inboard along the thickness direction of cabinet along the thickness direction of cabinet; Be installed in the perpendicular support between said upper bracket and the lower carriage; And the said thickness direction in edge is installed at least 3 left longitudinal supports and at least 3 right longitudinal supports on said left frame and the correct frame respectively; At least 3 left longitudinal supports and at least 3 right longitudinal supports are installed on above-below direction equal intervals ground; Wherein, said perpendicular support, left longitudinal support and right longitudinal support are provided with a plurality of second installation portions that are used to that a plurality of first installation portions of said gamma detector are installed and are used to install said neutron detector respectively accordingly.
In the cabinet of above-mentioned installation one gamma detector and a neutron detector; Said upper bracket and lower carriage comprise: be symmetricly set on upper left support, upper right support, left lower carriage and the bottom right support of mid point both sides of the left and right directions of upper frame and underframe respectively, said perpendicular support is installed between said upper left support and the left lower carriage, or upper right support and bottom right support between.
In the cabinet of above-mentioned installation one gamma detector and a neutron detector; Said perpendicular support comprises: base portion and first sidepiece and second sidepiece that vertically extend to form from the both sides of base portion; Be respectively equipped with a plurality of first installation portions on said first sidepiece and second sidepiece, said base portion is provided with a plurality of second installation portions.
In the cabinet of above-mentioned installation one gamma detector and a neutron detector; First installation portion on said left longitudinal support and the right longitudinal support has at least two and be provided with along the vertical direction, and second installation portion of said left longitudinal support and right longitudinal support has at least two and along the fore-and-aft direction setting.
The above-mentioned cabinet that is used to install a gamma detector and a neutron detector further comprises a plurality of " L " shape web member; Be provided with along the vertical direction on the sidepiece of each said " L " shape web member with left longitudinal support or right longitudinal support on the corresponding first connection portion of first installation portion, the other side is provided with along the vertical direction the second connection portion that arranges.
The cabinet of above-mentioned installation one gamma detector and a neutron detector further comprises:
The first doorframe part that extends to form at the first side direction center of said upper frame, underframe, left frame and correct frame is provided with the conductive seal bar around said first doorframe periphery edge partly;
Access door; Said access door is arranged to open or close the opening that is positioned at said first side and on the part corresponding with the conductive seal bar, is had conductive strips; When said access door is closed into said first doorframe and partly goes up; Said conductive seal bar is connected with said conductive strips, is connected and seals between access door and first doorframe part, to realize conduction simultaneously.
In the cabinet of above-mentioned installation one gamma detector and a neutron detector; The top of said first doorframe part is outwards outstanding to form the first rain eaves structure; When said access door was closed into the said first doorframe part, said access door was positioned at the bottom of the said first rain eaves structure.
The cabinet of above-mentioned installation one gamma detector and a neutron detector further comprises the Strain lock that is arranged on the said access door, is used to adjust the decrement of conductive seal bar.
In the cabinet of above-mentioned installation one gamma detector and a neutron detector, said first doorframe comprises that partly said conductive seal bar is installed on the said seamed edge from the outside vertically extending seamed edge of the said first doorframe part.
In the cabinet of above-mentioned installation one gamma detector and a neutron detector, an end of said conductive seal bar comprises the elasticity draw-in groove, and said seamed edge inserts in the said elasticity draw-in groove.
The cabinet of above-mentioned installation one gamma detector and a neutron detector further is included in the second doorframe part that the second side direction center relative with said first side of said upper frame, underframe, left frame and correct frame extends to form; The top of said second doorframe part is outwards outstanding to form the second rain eaves structure, and the bottom of the said second rain eaves structure is provided with the detection panel.
In the cabinet of above-mentioned installation one gamma detector and a neutron detector; The periphery of said detection panel has the bonding part; Have conductive strips in said second doorframe part and the said bonding part at least one, said second doorframe part and said bonding part are in contact with one another through conductive strips and realize being electrically connected.
In the cabinet of above-mentioned installation one gamma detector and a neutron detector, said second doorframe part and said bonding part are through the rivet mechanical connection.
In the cabinet of above-mentioned installation one gamma detector and a neutron detector, the seam crossing between said second doorframe part and said detection panel is used the fluid sealant joint filling, between second doorframe part and detection panel, to realize the water proof and dust proof sealing.
In the cabinet of above-mentioned installation one gamma detector and a neutron detector, said upper frame and underframe are respectively equipped with a plurality of through holes, in said through hole the line pipe adapter that rubs are set.
According to a further aspect in the invention; A kind of radiomaterial detection system is provided, comprises pick-up unit, said pick-up unit comprises: framework; Aforesaid cabinet; Said cabinet is by said frame supported, and an interior gamma detecting device and the neutron detector installed of said cabinet, and wherein the width of gamma detector is greater than the width of said neutron detector.
In above-mentioned radiomaterial detection system, said cabinet is installed on the said framework through mounting structure, and said mounting structure comprises: be installed in first fabricated section on the said framework; Be installed in second fabricated section on the said cabinet; And be connected the damper mechanism between said first web member and second web member.
In above-mentioned radiomaterial detection system; Said framework comprises first framework that is arranged on the bottom and is stacked in second framework on said first framework; Said second framework and said first framework support a said cabinet respectively, are installed in two gamma detector and neutron detectors in the cabinet and are mutually symmetrical about the bisector between said second framework and said first framework.
In above-mentioned radiomaterial detection system; Said pick-up unit is two main pick-up units that face with each other and auxilliary pick-up unit, gamma detector in gamma detector in the said main pick-up unit and neutron detector and the said auxilliary pick-up unit and neutron detector be respectively each other mirror to symmetry.
In above-mentioned radiomaterial detection system, said first framework is arranged to removably be connected with second framework.
In above-mentioned radiomaterial detection system, on said second framework and contacted two end faces of first framework, be provided with many through holes to being communicated with, a plurality of fixed parts pass these paired through holes respectively, thereby second framework and first frame fixation are in the same place.
In above-mentioned radiomaterial detection system, be provided with opening near separately the position that contacts end face in the same side of said second framework and first framework.
According to the cabinet that is used to install gamma detecting device and neutron detector of the present invention; Can be to different installation sites and the requirement of installation direction in cabinet of gamma detecting device and neutron detector; Correspondingly change the installation site and the installation direction of perpendicular support and be installed in the installation site on the longitudinal support of the left and right sides, and need not to increase other annex.
Description of drawings
To come further explain the present invention with reference to accompanying drawing, wherein:
Fig. 1 is traditional and principle schematic radiomaterial detection system of the present invention;
Fig. 2 is the front elevation according to a pick-up unit in the radiomaterial detection system of the present invention;
Fig. 3 is the connection synoptic diagram of shown in Figure 2 the being used to last lower carriage that supports lower cabinet body;
Fig. 4 is the enlarged diagram of the coupling part A of Fig. 3;
Fig. 5 is the enlarged diagram of damper mechanism shown in Fig. 2;
Fig. 6 is a kind of schematic perspective view of going up cabinet;
Fig. 7 is a kind of schematic perspective view of lower cabinet body;
Fig. 8 is the schematic perspective view of general cabinet body frame;
Fig. 9 is the enlarged diagram of the left longitudinal support of cabinet shown in Figure 8;
Figure 10 is the enlarged diagram of two right longitudinal supports of cabinet;
Figure 11 is the local enlarged diagram of perpendicular support shown in Fig. 7;
Figure 12 is the schematic perspective view that Your Majesty's cabinet of gamma detector and neutron detector is installed;
Figure 13 is the schematic perspective view that the main lower cabinet body of gamma detector and neutron detector is installed;
Figure 14 is the schematic perspective view that the auxilliary lower cabinet body of gamma detector and neutron detector is installed;
Figure 15 is the zoomed-in view of the upper right portion of last cabinet shown in Figure 6;
Figure 16 is the broken section skeleton view that the conductive seal bar when the maintenance every is shown with cabinet main body closure is connected with conductive strips;
Figure 17 is that sectional perspective view is amplified in the part of Figure 16; And
Figure 18 is the local amplification view that detects the bonding part between panel and the cabinet main body.
Embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish label is represented same or analogous element.The embodiment that is described with reference to the drawings below is exemplary, is intended to explain the present invention, and can not be interpreted as a kind of restriction of the present invention.
At first need to prove; In this manual; The term in some expression orientation " on ", D score, " left side ", " right side ", " preceding ", " back " be meant after main pick-up unit 100 installations of the present invention; From the unilateral observation at detected object (for example container) place should be main during pick-up unit 100 see the orientation, and above-below direction, left and right directions and fore-and-aft direction are perpendicular to one another.
With reference to Fig. 1-3, whether radiomaterial detection system according to the present invention exists radioactive ray applicable near detection in customs, civil aviaton, railway, transport by road or the nuclear power station, thereby determines whether to exist radiomaterial.Particularly, radiomaterial detection system of the present invention is applicable in the main equipments such as detection such as train, container, lorry whether have radiomaterial.Because these main equipments have apparent in view requirement aspect height, therefore radiomaterial detection system of the present invention comprises the last cabinet and the lower cabinet body of stack.In addition; Because radioactive matter monitoring is not the detection of penetrability; Require multiaspect to detect for the large-scale train that normally passes through, truck, container etc.; Therefore radiomaterial detection system of the present invention comprises the main pick-up unit 100 and auxilliary pick-up unit 200 that faces with each other, and main pick-up unit 100 all comprises cabinet and lower cabinet body with auxilliary pick-up unit 200.Radiomaterial detection system of the present invention so just comprises Your Majesty's cabinet 101, main lower cabinet body 102, auxilliary cabinet 201 and auxilliary lower cabinet body 202 these four cabinets gone up.All comprise the gamma detector 300 and neutron detector 400 (referring to Figure 12) that are arranged side by side in each cabinet; And the detection performance index of the gamma detector in each cabinet are identical with external structure, and the detection performance index of each neutron detector are also identical with the profile structure.The width of gamma detector 300 is greater than the width of neutron detector 400.
Further; In radiomaterial detection system of the present invention; Your Majesty's cabinet 101 of main pick-up unit 100 is installed on the main frame 103 with main lower cabinet body 102, and auxilliary pick-up unit 200 auxilliary goes up cabinet 201 and auxilliary lower cabinet body 202 and be installed on the identical auxilliary framework 203 of the structure of its structure and main frame 103.Referring to Figure 12-14; The gamma detector 300 and the neutron detector 400 of Your Majesty's cabinet 101 and main lower cabinet body 102 is mounted to the same side that on above-below direction, is positioned at Your Majesty's cabinet 101 and main lower cabinet body 102; And two multiplier tubes 301 of two gamma detectors 300 are arranged on above-below direction, face with each other, and two multiplier tubes 401 of two neutron detectors 400 are arranged on above-below direction, face with each other.Similarly, the multiplier tube of gamma detector in auxilliary upward cabinet 201 and the auxilliary lower cabinet body 202 and neutron detector also is arranged on the above-below direction respectively and faces with each other.That is to say; The gamma detector of main pick-up unit 100 and auxilliary pick-up unit 200 and neutron detector be each other mirror to symmetry; The gamma detector of promptly main pick-up unit 100 and auxilliary pick-up unit 200 and neutron detector are mutually symmetrical with auxilliary pick-up unit 200 middle parallel plane X with respect to main pick-up unit 100, and gamma detector and the neutron detector gone up in the lower cabinet body are mutually symmetrical about the bisector between main frame 103 and the auxilliary framework 203.The mounting structure that can make being used in each cabinet that gamma detector and neutron detector are installed like this differs from one another, and will specifically describe these differences below.
Referring to Fig. 2, Fig. 2 shows the front elevation of main pick-up unit 100, is appreciated that auxilliary pick-up unit 200 also has similar structure and mounting means.The main frame 103 of this main pick-up unit 100 comprises underframe 104 and is stacked in the upper frame 105 on the underframe 104.Main lower cabinet body 102 is installed on underframe 104 and the upper frame 105 through a plurality of identical mounting structures 106 respectively with Your Majesty's cabinet 101 in an identical manner.Fig. 5 shows the enlarged diagram of mounting structure 106.As shown in Figure 5, mounting structure 106 comprises: be installed in first fabricated section 1061 on the underframe 104, the web member 1063 that is installed in second fabricated section 1062 on the main lower cabinet body 102 and first fabricated section 1061 is connected with second fabricated section 1062.The instance of web member 1063 can be the bolt arrangement that passes first fabricated section 1061 and second fabricated section 1062, also can be other coupling arrangement that can connect first fabricated section 1061 and second fabricated section 1062, such as buckle connection, riveted joint etc.Further, the for example damper mechanism 1064 of spring and so on is set between first fabricated section 1061 and second fabricated section 1062.Bolt arrangement as web member 1063 passes damper mechanism 1064.Be appreciated that and make also that damper mechanism 1064 is double to be done bindiny mechanism and omit web member 1063.
In a further embodiment, underframe 104 is arranged to removably be connected with upper frame 105.Particularly, as shown in Figure 4, on upper frame 105 and underframe 104 contacted two end faces, be provided with many through holes to being communicated with, a plurality of bolt mechanism 107 are passed these paired through holes respectively, thereby upper frame 105 and underframe 104 are fixed together.In addition, be provided with opening 108 (as shown in Figure 3) in the same side of upper frame 105 and underframe 104 near separately the position that contacts end face, so that operating personnel are placed into bolt arrangement 107 in the said through hole through opening 108.Adopt this structure, under the situation that detects the main equipment such as container, train, truck, can be convenient to upper frame 105 is installed on the underframe 104, have the radiomaterial pick-up unit of stacked detection cabinet with formation; Under the situation that detects the mini-plant such as car, jubilee wagon, a underframe and a detection cabinet can only be installed, to constitute small-sized radiomaterial checkout equipment.Same reason can only be provided with an aforesaid main pick-up unit or one and the similarly auxilliary pick-up unit of main pick-up unit according to the needs of actual detected.For the needs of describing; Above-mentioned two kinds of mirrors are called main pick-up unit and auxilliary pick-up unit to two pick-up units of symmetry; Be appreciated that; The gamma detecting device in above-mentioned main pick-up unit and the auxilliary pick-up unit and the installation site of neutron detector and installation direction can exchange, and do not influence the detection effect after exchanging.
With reference to Fig. 6-11 cabinet of the present invention is described below.The cabinet (for example Your Majesty's cabinet 101) that is used to install a gamma detector and a neutron detector according to the present invention comprising: the upper frame 110, underframe 111, left frame 112 and the correct frame 113 that on fore-and-aft direction, have predetermined thickness; Said framework is interconnected to rectangular structure; 4 faces in the upper and lower, left and right of this rectangular structure seal with radiation proof board; And adopt the detection panel of processing by low density material (for example aluminium) 115 to seal towards the 5th face (promptly being positioned at anterior face) of detected object; The 6th face (promptly being positioned at the face at rear portion) away from detected object installed access door 114; So that when access door 114 is opened, gamma detector and neutron detector are installed in the cabinet, perhaps gamma detector and the neutron detector that is installed in the cabinet keeped in repair; Be arranged on the upper bracket (not shown) and the lower carriage 116 (referring to Fig. 6 and Fig. 7) of upper frame 110 and underframe 111 along said thickness direction; Can be installed in the perpendicular support 117 between upper bracket and the lower carriage 116; And be installed at least 3 (having illustrated 4 in the accompanying drawing) left longitudinal supports 118 (referring to Fig. 8) and right longitudinal support 119 (referring to Figure 14) on left frame 112 and the correct frame 113 equally spacedly along thickness direction.Wherein, perpendicular support 117, left longitudinal support 118 and right longitudinal support 119 be provided with accordingly respectively be used to install gamma detector 300 a plurality of such as first hole 120 first installation portion and be used to install second installation portion such as a plurality of second holes 121 of neutron detector 400.
In a kind of exemplary embodiment; Upper bracket and lower carriage 116 comprise: be arranged on upper left support, upper right support, left lower carriage and the bottom right support of mid point both sides of the left and right directions of upper frame 110 and underframe 111 respectively symmetrically, perpendicular support 117 selectively is installed between upper left support and the left lower carriage, or upper right support and bottom right support between.That is to say that when the relatively large gamma detector 300 of width is installed in the right side of cabinet (like Fig. 6,7, shown in 12 and 13), perpendicular support 117 is installed between upper left support and the left lower carriage; When gamma detector 300 is installed in the left side of cabinet (shown in figure 14), when promptly this cabinet was as Your Majesty's cabinet 101 or main lower cabinet body 102, perpendicular support 117 was installed between upper right support and the bottom right support.Be appreciated that a pair of lower carriage of going up also can only be set, and according to the installation site difference of gamma detector and move left and right should be to last lower carriage.
Referring to Fig. 6 and 11, perpendicular support 117 comprises: base portion 1171 and first sidepiece 1172 and the second sidepiece (not shown) that vertically extend to form from the same direction of two side direction of base portion 1171.The xsect that promptly should erect support 117 is " ㄇ " shape, has four sides on its length direction, one of them lateral opening.Be respectively equipped with a plurality of first holes 120 on first sidepiece 1172 and second sidepiece, base portion 1171 is provided with a plurality of second holes 121.Like Fig. 6,7, shown in 12 and 13; When gamma detector 300 is arranged on the right side of cabinet, the left side that neutron detector 400 is arranged on cabinet; Be that cabinet is when being used as Your Majesty's cabinet 101 or main lower cabinet body 102; One side of the opening of perpendicular support 117 is to the right direction, and at this moment, first sidepiece 1172 is towards the outside.Shown in figure 14; When gamma detector 300 is arranged on the left side of cabinet, the right side that neutron detector 400 is arranged on cabinet, promptly cabinet is as auxilliary when going up cabinet 201 or auxilliary lower cabinet body 202, and a side of the opening of perpendicular support 117 is to left direction; At this moment, second sidepiece is towards the outside.In one embodiment, the base portion 1171 of perpendicular support 117 is provided with 4 group of second hole 121.Cabinet is being mounted to Your Majesty's cabinet 101 or is assisting under the situation of cabinet 201 superposed three group of second hole 121 capable of using; And under the situation that cabinet is mounted to main lower cabinet body 101 or auxilliary lower cabinet body 202, three group of second hole 121 that is positioned at the bottom capable of using.In addition, also be provided with 14 first holes 120 equally spacedly on the perpendicular support 117.If cabinet is assembled into Your Majesty's cabinet 101 and the auxilliary cabinet 201 of going up, then utilizes superposed 10 first holes 120; If be assembled into main lower cabinet body 102 and auxilliary lower cabinet body 202, then utilize 10 first holes 120 that are positioned at the bottom.
In one embodiment, on first sidepiece 1172 of perpendicular support 117 and second sidepiece respectively the above-below direction equal intervals be provided with 14 first holes 120 that are used to install gamma detector.If be assembled into Your Majesty's cabinet 101,10 first holes 120 above then utilizing; If be assembled into main lower cabinet body 102,10 first holes 120 below then utilizing.And second hole 121 in the substrate 1171 is divided at least three groups, preferably, is divided into four groups, and each group comprises at least two second holes of arranging along fore-and-aft direction 121.
Be arranged on equally spacedly on the left frame 112 with reference to Fig. 8 and 9, four left longitudinal supports 118.Comprise second hole of having arranged about first hole 120 that at least two (having illustrated two among the figure) arrange up and down and at least two (having illustrated two among the figure) 121 on each left longitudinal support 118.Further; The height that corresponding one group of first hole 120 on height and spacing and the perpendicular support 117 is set in first hole 120 on each left longitudinal support 118 is identical with the spacing difference, and second hole 121 on each left longitudinal support 118 be provided with highly with spacing and perpendicular support 117 on the height in corresponding one group of second hole 121 distinguish identical with spacing.First hole 120 on left side longitudinal support 118 and the right longitudinal support 119 is near the front end setting of left longitudinal support 118 and right longitudinal support 119, and second hole 121 is away from the front end setting of left longitudinal support 118 and right longitudinal support 119.
Show first embodiment of cabinet of the present invention below with reference to Fig. 6,8,9 and 12, in this first embodiment, gamma detector 300 and neutron detector 400 are installed in Your Majesty's cabinet 101.In this embodiment; Gamma detector 300 is installed in the right side of Your Majesty's cabinet 101; And neutron detector 400 is installed in the left side of Your Majesty's cabinet 101, and the multiplier tube 401 of the multiplier tube 301 of gamma detector 300 and neutron detector 400 is all installed towards downward direction.Perpendicular support 117 is installed between upper left support and the left lower carriage.And gamma detector 300 is installed between superposed three group of first hole 120 of superposed three right longitudinal supports 119 and perpendicular support 117, and neutron detector 400 is installed between superposed three group of second hole of superposed three left longitudinal supports 118 and perpendicular support 117.
In detail, on the left and right sides of neutron detector 400, be respectively equipped with one and ranked first the left mounting hole and the first right mounting hole.Be inserted into respectively through for example bolt arrangement in the corresponding first left mounting hole in a plurality of second holes 121 and neutron detector 400 left sides on three left longitudinal supports 118.Simultaneously, be inserted into respectively in the corresponding first right mounting hole on a plurality of second holes 121 and neutron detector 400 right sides on the base portion 1171 of perpendicular support 117 through bolt arrangement.Can neutron detector 400 be installed to the left side of Your Majesty's cabinet 101 thus.For another kind of neutron detector 400, its back side is provided with the groove 402 (referring to Figure 14) that connects about three.At this moment; Can between corresponding second hole 121 of second hole 121 of three the left longitudinal supports 118 in top and perpendicular support 117, three support members be installed respectively through bolt arrangement; Afterwards; Three support members are inserted into be arranged in three grooves 402 at neutron detector 400 back sides respectively, so also can neutron detector 400 be installed to the left side of Your Majesty's cabinet 101.
Further, on the left and right sides of the front panel of gamma detector 300, be respectively equipped with one and ranked second the left mounting hole 302 and the second right mounting hole 303.Three web member (not shown) that the cross section is L-shaped are provided in addition; Be provided with along the vertical direction on the sidepiece that should " L " shape web member with right longitudinal support 119 on first hole, 120 corresponding first connecting holes, the bindiny mechanism that utilizes bolt and so on for example is through coupling together corresponding first hole 120 and first connecting hole and said web member being installed on the right longitudinal support 119.Like this, three web members are installed in respectively on three right longitudinal supports 119.At this moment, extend along left and right directions from the inboard of right longitudinal support 119 to the left the other side of web member, and the other side of web member is provided with second connecting hole of arranging along the vertical direction.The arrangement of second connecting hole is consistent with the arrangement of the second right mounting hole 303 of gamma detector 300.Like this, be inserted into respectively in corresponding second connecting hole on a plurality of second right mounting hole 303 and " L " shape web member through for example bolt arrangement.Simultaneously, be inserted into a plurality of second left mounting hole 302 and corresponding first hole 120 that is positioned on first sidepiece 1172 that erects support 117 respectively through bolt arrangement.Can gamma detector 300 be installed to the right side of Your Majesty's cabinet 101 thus.
Install under the situation of gamma detector 300 and neutron detector 400 at above-mentioned Your Majesty's cabinet 101, perpendicular support 117 is installed between upper left support and the left lower carriage, and therefore upper right support and bottom right support are in idle (promptly not using) state.At this moment, the side that perpendicular support 117 is positioned to its opening is to the right direction, and at this moment, first sidepiece 1172 is towards the outside, and second sidepiece is towards the rear portion, and therefore first hole 120 on second sidepiece is in idle state.Likewise, the left longitudinal support 118 that is positioned at foot is in idle state with right longitudinal support 119 and top first hole 120 and second hole 121 thereof.Also have, first hole 120 on superposed three left longitudinal supports 118 is in idle state, and second hole 121 on superposed three right longitudinal supports 119 is in idle state.
Figure 13 shows second embodiment of cabinet of the present invention, in this second embodiment, gamma detector 300 and neutron detector 400 is installed in the main lower cabinet body 102.Shown in figure 13; Different with first embodiment is; The multiplier tube of gamma detector 300 and neutron detector 400 all is provided with towards top;, neutron detector 400 and gamma detector 300 be installed in respectively on three left longitudinal supports 118 being positioned at the bottom and the right longitudinal support 119, and the left and right sides longitudinal support that is positioned at topmost is in idle state for this reason.
Figure 14 shows the 3rd embodiment of cabinet of the present invention, in the 3rd embodiment, gamma detector 300 and neutron detector 400 is installed in the auxilliary lower cabinet body 104.Shown in figure 14, different with second embodiment is, gamma detector 300 is installed in the left side of auxilliary lower cabinet body 104, and neutron detector 400 is installed in the right side of auxilliary lower cabinet body 103.For this reason, perpendicular support 117 is installed between upper right support and the bottom right support, and a side that is positioned to its opening is to left direction.At this moment, second sidepiece of perpendicular support is towards the outside, and first sidepiece 1172 is towards the rear portion, and therefore first hole 120 on first sidepiece is in idle state.The multiplier tube of gamma detector 300 and neutron detector 400 all is provided with towards top; For this reason; Neutron detector 400 and gamma detector 300 be installed in respectively on three right longitudinal supports 119 being positioned at the bottom and the left longitudinal support 118, and the left and right sides longitudinal support that is positioned at topmost is in idle state.Also have, first hole 120 that is positioned on three right longitudinal supports 119 of bottom is in idle state, and second hole 121 that is positioned on three left longitudinal supports 118 of bottom is in idle state.
According to this design, be appreciated that in the 3rd embodiment (not shown) of cabinet of the present invention, gamma detector 300 and neutron detector 400 are installed to auxilliary going up in the cabinet 103.What the 3rd embodiment was different with first embodiment is; The multiplier tube of gamma detector 300 and neutron detector 400 all is provided with towards the bottom; For this reason; Neutron detector 400 and gamma detector 300 are installed in respectively on superposed three left longitudinal supports 118 and the right longitudinal support 119, and the left and right sides longitudinal support that is positioned at foot is in idle state.
According to the cabinet that is used to install gamma detecting device and neutron detector of the present invention; Can be to different installation sites and the requirement of installation direction in cabinet of gamma detecting device and neutron detector; Correspondingly change the installation site and the installation direction of perpendicular support 117 and be installed in the installation site on the longitudinal support of the left and right sides, and need not to increase other annex.Therefore cabinet of the present invention is reasonable in design, simple in structure, needs to amount to 35 process components, utilizes the mode of piling up wood just can realize the cabinet of four kinds of different installation requirements, is convenient to management and operation, is fit to mass production.Further, than higher error protection performance; Because in this kind equipment, there is not similar part, just with this part according to drawing requirement, be aided with frock and be welded, greatly reduce the possibility of makeing mistakes, improved work efficiency.And aspect installation gamma detector and neutron detector; Because perpendicular support 117 can only be installed between upper right support and the bottom right support or be installed between upper left support and the left lower carriage; To distinguish cabinet is main cabinet or auxilliary cabinet; If gamma detector and neutron detector misplace the position, then can not install.
Because first hole 120 and second hole 121 all are provided with equally spacedly, therefore can make gamma detector 300 and neutron detector 400 up and down equidistance move, for example, can be mobile in the scope of 100mm-500mm according to user's demand.
Described perpendicular support 117 above and can be installed between upper right support and the bottom right support or be installed between upper left support and the left lower carriage, promptly be provided with two pairs and go up lower carriages.But the present invention is not limited thereto; But the last lower carriage of a pair of move left and right can be set also; And it is different with neutron detector 400 in the installation site of the left and right sides according to gamma detector 300; And in upper frame 110 and underframe 111 lower carriage to suitable position on the move left and right, and then gamma detector 300 and neutron detector 400 are installed.
In another kind of embodiment; But the left longitudinal support 118 and right longitudinal support 119 of three pairs of move left and right are set; And it is different with the installation site of neutron detector 400 on above-below direction according to gamma detector 300; And in left frame 112 and correct frame 113, move up and down left longitudinal support 118 and right longitudinal support 119 to suitable position, and then gamma detector 300 and neutron detector 400 are installed.
As a kind of connected mode, described the employing bolt arrangement above and inserted each hole and corresponding parts are connected.But the present invention is not limited thereto, and being appreciated that to have other connected mode, such as modes such as welding, riveted joint, buckle connections, as long as can corresponding two parts be linked together.
When making that gamma detector and neutron detector are shifted one's position; Can not influence equipment performance; Aspect the material selection of the maintenance or the access door 114 of installed surface, should adopt same material; And because gamma ray generally is weaker than neutron to the penetration performance of material, so the material of access door 114 should select low-density material, adopts highdensity material and the material at other 5 back sides of cabinet is general.Owing to use at least two kinds of material different to process cabinet, when forming cabinet, just can not realize installing with traditional welding technology, in the present invention, the mode that adopts riveted joint and cabinet application to combine realizes the demand of the difference in functionality of cabinet.
Further, because inner structure, surveyed area and the mounting means of main cabinet and auxilliary cabinet is different, therefore need the cabinet body door that is used to survey that the low density material Rotate 180 of the access door 114 of main cabinet ° becomes auxilliary cabinet be satisfied installation requirements.
On the upper frame 110 of each cabinet, be provided with two through holes 1101, be provided with four through holes 1111 at underframe 111.On Your Majesty's cabinet 101 and the top of assisting cabinet 201 warning lamp is installed; Therefore need signal wire be drawn; Pack in through hole 1101 therein line pipe adapter 1102 (referring to Fig. 6) that rubs of IP55 degree of protection; Thereby realize the input and output of power supply and signal wire, also played the effect of shutoff cabinet.According to cabinet as the still auxilliary cabinet of main cabinet, and use one of them through hole, and another through hole carries out shutoff with blind plugging.Owing to also there is signal to connect between the last lower cabinet body; Have only two holes on the upper frame of lower cabinet body; And upward on the underframe of cabinet four holes are arranged; Therefore two pairs of wherein relative through holes connect with the line pipe adapter 1112 (referring to Fig. 7) that rubs with IP55 degree of protection respectively, have both realized the input and output of signal and power supply, have also realized the shutoff of the corresponding through hole of last lower cabinet body.And the through hole of not using in the underframe for last cabinet 1111 is used to have the blind plugging shutoff of degree of protection, thereby forms the complete cabinet with water proof and dust proof, electromagnetic screen.For four through holes in the underframe of lower cabinet body; All connect with the line pipe adapter that rubs; Realize between the major-minor cabinet respectively, power supply and the input and output of signal independence between major-minor cabinet and the backstage, with the control section of realizing major-minor cabinet and the communication between the monitor portion of backstage.Lower cabinet body also can form a complete cabinet with water proof and dust proof, electromagnetic screen like this.Like this, cabinet of the present invention can be not limited to as major-minor cabinet and use or use as last lower cabinet body, all can realize flexible installation.Can be after each cabinet all to be assembled completion, the through hole that the line pipe adapter connects has signal wire to pass through in it that rubs with degree of protection allows then gets final product with the blind plugging shutoff for obsolete through hole.
Be example with Your Majesty's cabinet shown in Figure 6 101 below, the electromagnetic screen and the waterproof and dustproof structure of cabinet of the present invention is described.Figure 15 is the zoomed-in view of the upper right portion of Your Majesty's cabinet 101 shown in Figure 6.A side of facing access door 114 at upper frame 110, underframe 111, left frame 112 and the correct frame 113 of cabinet is provided with the flanged structure that extends to the center of cabinet, and this flanged structure forms the first doorframe part 122 of said frame.Conductive seal bar 123 is installed on the first doorframe part 122; On part corresponding on the access door 114, conductive strips 124 are set with conductive seal bar 123; Make when access door 114 closures; Conductive seal bar 123 is connected with conductive strips 124, realizing simultaneously that between the access door 114 and the first doorframe part 122 conduction connects and sealing, thereby reaches the purpose of electromagnetic screen and water proof and dust proof.
In order to reach the desired water proof and dust proof performance of radiomaterial detection system, the conductive seal bar 123 of selection should be able to reach water proof and dust proof IP55 grade.According to embodiments of the invention, conductive seal bar 123 is T font conductive seal bars, and the bottom surface of T font is a sealed end, and when shutting access door 114, the conductive seal bar 123 on the first doorframe part 122 contacts with conductive strips 124 on access door 114 planes.Further, conductive seal bar 123 is installed on the installation seamed edge 126 of first doorframe part.Seamed edge 126 is installed outwards vertically to extend to form from the said first doorframe part 122.
In a kind of exemplary embodiment, the mounting means of conductive seal bar 123 is shown in figure 17.The installation side of conductive seal bar 123 has the elasticity draw-in groove, is used to engage the installation seamed edge 126 on the periphery edge of the first doorframe part 122.During installation,, sealing strip 123 is force-fitted on the installation seamed edge 126 equably along the first doorframe part 122.Further, for enhance seal performance, Strain lock 131 can be set on access door 114.According to embodiments of the invention, on access door 114, evenly arranged 8 Strain lock 131, can be according to user's climatic environment, degree of protection requirement, through the decrement of Strain lock 131 adjustment to conductive seal bar 123.Particularly; After closing access door 114, when making the conductive strips 124 on sealed end contact access door 114 planes of conductive seal bar 123, through the Strain lock 131 on the adjustment access door 114; Compression seal bar 123; Make sealing strip 123 that enough distortion arranged, thereby make very strong " barrier " of formation between conductive seal bar 123 and the access door 114, can further improve the water proof and dust proof performance like this.
When selecting conductive seal bar 123 with conductive strips 124, have the higher water proof and dust proof performance rate except selecting it, also select it to have electric conductivity to realize electro-magnetic screen function.The cabinet of making being carried out electromagnetic screen when handling, carry out surface preparation in advance for access door 114, make the access door 114 surface energies conductive strips 124 that directly bond.Conductive strips 124 are being bonded on the access door 114, and after assurance access door 114 conducted electricity well with conductive strips 124, covered with protective film on conductive strips 124, and then brush corrosion resistant coating were taken the diaphragm on the conductive strips 124 at last off.Utilize the viscosity of conductive strips 124 self, can solve anticorrosion topic of main cabinet door well.For seamed edge 126 is installed, also be when carrying out the surface anticorrosion processing, to being installed, seamed edge 126 protects, to guarantee that after installation conductive seal bar 123 carries out favorable conductive with access door 114 and contacts.Bonding conductive strips 124 on access door 114; And on the installation seamed edge 126 of the first doorframe part 122, install after the conductive seal bar 123; Shut access door 114, conductive seal bar 123 is contacted with conductive strips 124, promptly can be in the water proof and dust proof sealing that realizes between the access door 114 and the first doorframe part 122; Realize that the conduction between the access door 114 and the first doorframe part 122 connects, thereby realize the purpose of electromagnetic screen.
According to the present invention; Owing to use same device to realize that conduction connects and sealing, thereby when realizing electromagnetic screen, promptly realized water proof and dust proof, therefore; The electromagnetic screen and the waterproof and dustproof structure of cabinet are fairly simple; Practiced thrift installing space, and avoided electromagnetic armouring structure and waterproof and dustproof structure branch to come doing the waterproof and dustproof structure and the electromagnetic armouring structure that possibly occur interfering with each other the situation that causes functions of waterproof and dustproof and electro-magnetic screen function not to take into account; And installation process is fairly simple, and the planarization of base material is required and can reduce.
Shown in figure 16, for further improving water-resistant performance, the top of the first doorframe part 122 can outwards be given prominence to, and forms rain eaves structure 125, and access door 114 is installed in the bottom of rain eaves structure 125.When the purpose of doing was like this avoided raining exactly, rainwater directly watered the slit between door and the cabinet main body, formed roof leaking, realized weakening the function of rainwater.Through design rain eaves structure 125; Because the slit between the first doorframe part 122 and the access door 114 is positioned at the below of rain eaves structure 125; A large amount of rainwater are along flowing through the slit perpendicular to being directed downwards of slit; Can not get in the slit, have only a small amount of rainwater slowly to infiltrate between the first doorframe part 122 and the access door 114 along the slit.The a small amount of rainwater that gets between the first doorframe part 122 and the access door 114 is stopped by conductive seal bar 123; Can not get into the inner harm equipment of cabinet; But flow downward along the periphery of access door 114; Flow to the bottom of access door 114, when design, can design several osculums, just can a small amount of rainwater that get into access door 114 be discharged to outside the cabinet once more in the bottom of access door 114.
Be example with Your Majesty's cabinet shown in Figure 6 101 below, detection panel of being processed by the low-density material 115 of the present invention and electromagnetic screen and the waterproof and dustproof structure between the cabinet main body are described.Shown in figure 18, to face a side that detects panel 115 at upper frame 110, underframe 111, left frame 112 and the correct frame 113 of cabinet and be provided with the flanged structure that extends to form to the center, this flanged structure forms the second doorframe part 127 of said frame.The second doorframe part 127 comprises the rain eaves structure 125 the same with the first doorframe part 122, and detects panel 115 and be positioned at the below of rain eaves structure 125, thereby can prevent the directly slit 128 between the pouring second doorframe part 127 and the detection panel 115 of rainwater.
In order to realize the second doorframe part 127 and to detect being electrically connected between the panel 115; Can have conductive strips in the bonding part 130 of the second doorframe part 127 and detection panel 115 at least one, realize being electrically connected thereby the second doorframe part 127 is in contact with one another through conductive strips with bonding part 130.Concrete processing procedure is following: before installation and measuring panel 115; To the surface preparation of the second doorframe part 127 time; The second doorframe part 127 is protected with the part (being bonding part 130) that detection panel 115 contacts, made it possess excellent conducting performance.In addition, when pre-service is carried out on the surface of detecting panel 115, protect with the face that the second doorframe part 127 contacts, make it possess excellent conductive performance detecting panel 115.When mounted; Earlier a kind of special conductive strips are bonded on one of them surface in the second doorframe part 127 and the bonding part 130; To detect panel 115 again packs in the cabinet main body; The surface of contact that detects the panel 115 and the second doorframe part 127 is conducted electricity each other, thereby realize electro-magnetic screen function.For the good conductive of guaranteeing surface of contact connects, can be further through the rivet 129 mechanical connections second doorframe part 127 and bonding part 130.Certainly, can not use conductive strips yet and only realize that through the rivet mechanical connection conduction of the second doorframe part 127 and bonding part 130 is connected.Through the material of the second doorframe part 127 is more critically riveted with the material that detects panel 115, can under situation about producing after the temperature variation, still can keep tight connection than small deformation, realize basic sealing function.But, in order further to improve sealing property, can be when assembling; Earlier fluid sealant is filled in the slit 128 between the second doorframe part 127 and the detection panel 115; Floating then, to be dried after, carry out spray treatment at the cabinet outside surface; Good electromagnetic screen, the water proof and dust proof performance of final realization, and guaranteed appearance.
In the further exemplary embodiment of the present invention; Gamma detecting device and the trigger and the mounting bracket thereof of neutron detector that will be used to drive in the cabinet are arranged in cabinet position in addition; And cable tube joint is set at through hole 1101 places of cabinet, be used to connect the cable of external components such as trigger with installation.It is the line pipe adapter 1102 that rubs of IP55 that cable tube joint adopts the water proof and dust proof grade, guarantees the electric conductivity and the sealing property of cable tube joint and cabinet through special processing.Like this, trigger and mounting bracket thereof are installed in beyond the cabinet main body, with drawing in the line pipe adapter 1102 that rubs of cable from the cabinet, and are connected with trigger.Thereby need not open the cabinet door again trigger is safeguarded, therefore, be convenient to maintenance, installation, the debugging of trigger.
Although illustrated and described embodiments of the invention; For those of ordinary skill in the art; Be appreciated that under the situation that does not break away from principle of the present invention and spirit and can change that scope of the present invention is limited accompanying claims and equivalent thereof to these embodiment.
Claims (22)
1. cabinet that a gamma detector and a neutron detector are installed comprises:
On the fore-and-aft direction of cabinet, have upper frame, underframe, left frame and the correct frame of predetermined thickness, said framework is interconnected to rectangular structure;
Be arranged on the upper bracket on the upper frame inboard and be arranged on the lower carriage on the underframe inboard along the thickness direction of cabinet along the thickness direction of cabinet;
Be installed in the perpendicular support between said upper bracket and the lower carriage; And
Be installed at least 3 left longitudinal supports and at least 3 right longitudinal supports on said left frame and the correct frame respectively along said thickness direction, at least 3 left longitudinal supports and at least 3 right longitudinal supports are installed on above-below direction equal intervals ground,
Wherein, said perpendicular support, left longitudinal support and right longitudinal support are provided with a plurality of second installation portions that are used to that a plurality of first installation portions of said gamma detector are installed and are used to install said neutron detector respectively accordingly.
2. the cabinet of installation one gamma detector as claimed in claim 1 and a neutron detector; Wherein said upper bracket and lower carriage comprise: be symmetricly set on upper left support, upper right support, left lower carriage and the bottom right support of mid point both sides of the left and right directions of upper frame and underframe respectively, said perpendicular support is installed between said upper left support and the left lower carriage, or upper right support and bottom right support between.
3. according to claim 1 or claim 2 installation one gamma detector and the cabinet of a neutron detector; Wherein said perpendicular support comprises: base portion and first sidepiece and second sidepiece that vertically extend to form from the both sides of base portion; Be respectively equipped with a plurality of first installation portions on said first sidepiece and second sidepiece, said base portion is provided with a plurality of second installation portions.
4. according to claim 1 or claim 2 installation one gamma detector and the cabinet of a neutron detector; First installation portion on wherein said left longitudinal support and the right longitudinal support has at least two and be provided with along the vertical direction, and second installation portion of said left longitudinal support and right longitudinal support has at least two and along the fore-and-aft direction setting.
5. the cabinet of installation one gamma detector as claimed in claim 4 and a neutron detector; Further comprise a plurality of " L " shape web member; Be provided with along the vertical direction on the sidepiece of each said " L " shape web member with left longitudinal support or right longitudinal support on the corresponding first connection portion of first installation portion, the other side is provided with along the vertical direction the second connection portion that arranges.
6. the cabinet of installation one gamma detector as claimed in claim 1 and a neutron detector further comprises:
The first doorframe part that extends to form at the first side direction center of said upper frame, underframe, left frame and correct frame is provided with the conductive seal bar around said first doorframe periphery edge partly;
Access door; Said access door is arranged to open or close the opening that is positioned at said first side and on the part corresponding with the conductive seal bar, is had conductive strips; When said access door is closed into said first doorframe and partly goes up; Said conductive seal bar is connected with said conductive strips, is connected and seals between access door and first doorframe part, to realize conduction simultaneously.
7. the cabinet of installation one gamma detector as claimed in claim 6 and a neutron detector; Wherein, The top of said first doorframe part is outwards outstanding to form the first rain eaves structure; When said access door was closed into the said first doorframe part, said access door was positioned at the bottom of the said first rain eaves structure.
8. the cabinet of installation one gamma detector as claimed in claim 6 and a neutron detector further comprises the Strain lock that is arranged on the said access door, is used to adjust the decrement of conductive seal bar.
9. the cabinet of installation one gamma detector as claimed in claim 6 and a neutron detector, wherein said first doorframe comprise that partly said conductive seal bar is installed on the said seamed edge from the outside vertically extending seamed edge of the said first doorframe part.
10. the cabinet of installation one gamma detector as claimed in claim 9 and a neutron detector, wherein, an end of said conductive seal bar comprises the elasticity draw-in groove, said seamed edge inserts in the said elasticity draw-in groove.
11. the cabinet of installation one gamma detector as claimed in claim 6 and a neutron detector; The second doorframe part that the second side direction center relative with said first side of said upper frame, underframe, left frame and correct frame of further being included in extends to form; The top of said second doorframe part is outwards outstanding to form the second rain eaves structure, and the bottom of the said second rain eaves structure is provided with the detection panel.
12. the cabinet of installation one gamma detector as claimed in claim 11 and a neutron detector; Wherein, The periphery of said detection panel has the bonding part; Have conductive strips in said second doorframe part and the said bonding part at least one, said second doorframe part and said bonding part are in contact with one another through conductive strips and realize being electrically connected.
13. the cabinet of installation one gamma detector as claimed in claim 12 and a neutron detector, wherein, said second doorframe part and said bonding part are through the rivet mechanical connection.
14. the cabinet of installation one gamma detector as claimed in claim 12 and a neutron detector; Wherein, Seam crossing between said second doorframe part and said detection panel is used the fluid sealant joint filling, between second doorframe part and detection panel, to realize the water proof and dust proof sealing.
15. the cabinet of installation one gamma detector as claimed in claim 12 and a neutron detector, wherein said upper frame and underframe are respectively equipped with a plurality of through holes, in said through hole the line pipe adapter that rubs are set.
16. a radiomaterial detection system comprises pick-up unit, said pick-up unit comprises:
Framework,
Like each the described cabinet among the claim 1-15, said cabinet is by said frame supported, and an interior gamma detecting device and the neutron detector installed of said cabinet, and wherein the width of gamma detector is greater than the width of said neutron detector.
17. radiomaterial detection system as claimed in claim 16, said cabinet is installed on the said framework through mounting structure, and said mounting structure comprises:
Be installed in first fabricated section on the said framework;
Be installed in second fabricated section on the said cabinet; And
Be connected the damper mechanism between said first web member and second web member.
18. like claim 16 or 17 described radiomaterial detection systems; Wherein said framework comprises first framework that is arranged on the bottom and is stacked in second framework on said first framework; Said second framework and said first framework support a said cabinet respectively, are installed in two gamma detector and neutron detectors in the cabinet and are mutually symmetrical about the bisector between said second framework and said first framework.
19. radiomaterial detection system as claimed in claim 18; Wherein said pick-up unit is two main pick-up units that face with each other and auxilliary pick-up unit, gamma detector in gamma detector in the said main pick-up unit and neutron detector and the said auxilliary pick-up unit and neutron detector be respectively each other mirror to symmetry.
20. radiomaterial detection system as claimed in claim 18, wherein said first framework is arranged to removably be connected with second framework.
21. radiomaterial detection system as claimed in claim 20; Wherein on said second framework and contacted two end faces of first framework, be provided with many through holes to being communicated with; A plurality of fixed parts pass these paired through holes respectively, thereby second framework and first frame fixation are in the same place.
22. radiomaterial detection system as claimed in claim 21 wherein is provided with opening in the same side of said second framework and first framework near separately the position that contacts end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200910088637XA CN101937097B (en) | 2009-06-30 | 2009-06-30 | Cabinet body provided with gamma detector and neutron detector and radioactive substance detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910088637XA CN101937097B (en) | 2009-06-30 | 2009-06-30 | Cabinet body provided with gamma detector and neutron detector and radioactive substance detection system |
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| CN101937097A CN101937097A (en) | 2011-01-05 |
| CN101937097B true CN101937097B (en) | 2012-11-28 |
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| CN109597116B (en) * | 2018-12-07 | 2020-03-27 | 中国科学院高能物理研究所 | Case component for high-energy particle beam experiment prototype system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5153431A (en) * | 1991-04-05 | 1992-10-06 | Computalog Research, Inc. | Well logging radioactive detector assembly |
| CN101152085A (en) * | 2006-09-26 | 2008-04-02 | 西门子公司 | Detection unit comprising HF emitting-receiving system and PET detector |
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2009
- 2009-06-30 CN CN200910088637XA patent/CN101937097B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5153431A (en) * | 1991-04-05 | 1992-10-06 | Computalog Research, Inc. | Well logging radioactive detector assembly |
| CN101152085A (en) * | 2006-09-26 | 2008-04-02 | 西门子公司 | Detection unit comprising HF emitting-receiving system and PET detector |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平11-183628A 1999.07.09 |
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