CN202008844U - Beam adjusting mechanism of x-ray safety inspection equipment - Google Patents
Beam adjusting mechanism of x-ray safety inspection equipment Download PDFInfo
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- CN202008844U CN202008844U CN201120045153XU CN201120045153U CN202008844U CN 202008844 U CN202008844 U CN 202008844U CN 201120045153X U CN201120045153X U CN 201120045153XU CN 201120045153 U CN201120045153 U CN 201120045153U CN 202008844 U CN202008844 U CN 202008844U
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- ray
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- level crossing
- visible light
- adjusting mechanism
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Abstract
The utility model discloses a beam adjusting mechanism of x-ray safety inspection equipment. The beam adjusting mechanism comprises two main parts, namely an x-ray light spot size display device and an x-ray light spot shape adjusting device; the x-ray light spot size display device comprises a plane mirror and a visible light source; the distance between the visible light source and the plane mirror is equal to that between an x-ray light source and the plane mirror; and the included angle between the x-ray central line and the mirror plane of the plane mirror is equal to that between the visible light central line and the mirror plane of the plane mirror, so as to ensure the size consistency of the light spot of the visible light and that of the x-ray and the observability of the light spot size of the x-ray. An upper layer and a lower layer are arranged in the irradiation direction of the x-ray and comprise four light barriers in X direction and Y direction, the two light barriers in each layer can realize rotary open-close through gear transmission to control the size and the shape of the light spot of the x-ray, and when the light spot size is adjusted to meet the demand, a gear transmission mechanism is locked and the light barriers no longer rotate. The utility model has the advantages of compact and simple structure, convenience in operation, low cost, and favorable performance.
Description
Technical field
The utility model relates to X ray safety inspection equipment field, particularly relates to a kind of X ray safety inspection equipment light beam adjusting mechanism.
Background technology
The basic comprising of X ray safety inspection equipment is X source, sniffer (detector), receiving trap (receiver).Main process is by means of checked people or thing, after entering the inspection passage, stop and produce light barrier signal, light barrier signal is sent to control module, trigger x-ray source emission X beam, the X beam of process collimating apparatus penetrates human body or article are fallen on the detector, the high efficiency semiconductor detector becomes electric signal to the X ray that receives, these very weak current signals are directly quantized, be sent to industrial control computer by USB (universal serial bus) and be for further processing, through obtaining high-quality image after complex calculations and the imaging processing.
The light beam that X-ray tube produces is conical, but the used X-ray light spot of safety check instrument generally is rectangle or circle, and this just need finish this target with the light beam adjusting mechanism.Used light beam adjusting mechanism is a kind of parts of complicated in mechanical structure on the medicine equipment, can be divided into X ray light beam adjusting mechanism and detector beam adjusting mechanism again by position, place difference, and the two must cooperate precision, just can not influence the collection of scan-data.And the safety check field does not need complicated like this light beam adjusting mechanism.
The utility model content
It is high that technical problem to be solved in the utility model is that medical field requires image quality, used light beam adjusting mechanism complexity, need frequent the replacing, and the safety check field does not need to reach the requirement of medical domain image quality, the bundle optical mechanism does not need too complicated, a kind of the playing that does not also need the frequent problem of changing and design eliminated scattered ray to the detecting device interference effect, and structure, performance are simple, the light beam adjusting mechanism that cost is low.
The technical matters that the utility model requires to solve can be achieved through the following technical solutions:
A kind of X ray safety inspection equipment light beam adjusting mechanism comprises two parts: X-ray spot size display device and X-ray light spot shape regulating device;
Described X-ray spot size display device comprises a level crossing and a visible light source, described level crossing is installed on the X-ray line transmit direction, the level crossing minute surface becomes miter angle with the X-ray center line, described visible light source be installed in the perpendicular direction of X-ray center line on, level crossing have reflection function one facing to visible light source, and this one side also becomes miter angle with the visible light ray center line, described visible light source and X source equate to the distance of level crossing, the X-ray line overlaps with the reflection ray of visible light source after flat mirror reflects after seeing through level crossing, make X-ray and visible light spot equal and opposite in direction, realize the observability of X-ray;
Described X-ray light spot shape regulating device is in the level crossing dead astern, comprise datum plate, light barrier, regulate propulsion system, regulate gearing, locking device, the most close level crossing of described datum plate, datum plate plate face is vertical with X-ray line center line, have the hole of a diameter on the datum plate greater than beam diameter, on the described datum plate back side, following and left, " L " template is respectively installed on right side symmetry in twos, described light barrier has four, wherein two light barriers are connected a left side, between right " L " template, and can rotate around the mounting points on " L " template, described these two light barriers are closure state when being in same plane, two light barriers are positioned at above or below two light barriers noted earlier in addition, be connected, down between " L " template, also can rotate around the mounting points on " L " template, described these two light barriers also are closure state when being in same plane, described two light barrier homonymies that are positioned at the top, two light barrier homonymies that are positioned at the below connect an axle respectively at the part end that connects " L " template, all be with gear on described four axles, described gear meshes in twos, described be positioned at the top an axle axle head and be positioned at the below an axle axle head all connect rotation apparatus, be positioned at the top another root axle axial end and be positioned at the below another root axle axial end locking device all is installed, be used for when hot spot is adjusted to required size, lock gear is no longer rotated it.
Described level crossing is that optical glass surface is aluminized.
The described rotation apparatus that is connected axle head is manual knob or electronic knob.
The utility model structure is small and exquisite simple, and cost is lower, but functional.
Description of drawings
Fig. 1 X ray safety inspection equipment light beam adjusting mechanism general structure synoptic diagram.
Fig. 2 is an X-ray light spot shape regulating device general structure synoptic diagram.
Fig. 3 is that X is to X-ray light spot shape regulating device structural representation.
Fig. 4 is that Y is to X-ray light spot shape regulating device structural representation.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, entire mechanism comprises X-ray spot size display device and X-ray light spot shape regulating device two large divisions.
X-ray spot size display device comprises level crossing 1, visible light source 2.Level crossing 1 is the optical flat mirror, and being aluminized by optical glass surface forms, and has 99.9% reflectivity.Visible light source 2 is ruddiness or green glow, and power is a bit larger tham 12W, see through the thick ground glass plate of 2mm after light do not absorbed fully.
X-ray light spot shape regulating device comprises datum plate 3, and light barrier 4 is regulated propulsion system 5, regulates gearing 6, locking device 7.
The concrete enforcement step is poly-as follows:
Adorn a level crossing 1 on X-ray line direction, level crossing 1 minute surface becomes 45 degree with X-ray line center line.With adorn a visible light source 2 on the X-ray line center line vertical direction, concrete mounting means is seen accompanying drawing 1.Visible light ray becomes identical incident angle to impinge upon on the level crossing 1 with x-ray, guarantees that visible light is consistent with X-ray after reflection, and spot size equates.
As Fig. 2, Fig. 3, shown in Figure 4, on datum plate 3, open a hole (not shown) greater than beam diameter, X-ray can not be blocked enters into the subsequent adjustment device.The regulating device of square focus spot be divided into X to regulating device and Y to regulating device two parts.Two of two regulating devices light barriers 4 all are closed under the original state, guarantee leakage in a large number of X-ray.Can realize the adjusting of spot size when needing to regulate by the adjusting propulsion system 5 such as electronic moving knob of manual knob or connection micromachine.
Two light barrier 4 one ends of two regulating devices all connect main shaft 61, countershaft 62 respectively, manually electronic moving the revolving of rotation or connection micromachine drives main drive shaft 61 rotations, first gear, 63 drives that are enclosed within on the main drive shaft 61 are enclosed within second gear, 64 rotations on the countershaft 62, and then drive countershaft 62 rotates, light barrier 4 slowly rotates in the opposite direction, slit in the middle of the light barrier 4 can be increasing, and it is big that the hot spot on a certain direction can become gradually.Same method is regulated the spot size of other direction, after the hot spot of both direction all is transferred to the size of required hot spot, uses locking device 7 with 64 lockings of second gear, and light barrier 4 will no longer rotate.Whole adjustment process also just is through with.
More than show and described ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the instructions just illustrates principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. an X ray safety inspection equipment light beam adjusting mechanism is characterized in that, comprises two parts: X-ray spot size display device and X-ray light spot shape regulating device;
Described X-ray spot size display device comprises a level crossing and a visible light source, described level crossing is installed on the X-ray line transmit direction, the level crossing minute surface becomes miter angle with the X-ray center line, described visible light source be installed in the perpendicular direction of X-ray center line on, level crossing have reflection function one facing to visible light source, and this one side also becomes miter angle with the visible light ray center line, described visible light source and X source equate to the distance of level crossing, the X-ray line overlaps with the reflection ray of visible light source after flat mirror reflects after seeing through level crossing, make X-ray and visible light spot equal and opposite in direction, realize the observability of X-ray;
Described X-ray light spot shape regulating device is in the level crossing dead astern, comprise datum plate, light barrier, regulate propulsion system, regulate gearing, locking device, the most close level crossing of described datum plate, datum plate plate face is vertical with X-ray line center line, have the hole of a diameter on the datum plate greater than beam diameter, on the described datum plate back side, following and left, " L " template is respectively installed on right side symmetry in twos, described light barrier has four, wherein two light barriers are connected a left side, between right " L " template, and can rotate around the mounting points on " L " template, described these two light barriers are closure state when being in same plane, two light barriers are positioned at above or below two light barriers noted earlier in addition, be connected, down between " L " template, also can rotate around the mounting points on " L " template, described these two light barriers also are closure state when being in same plane, described two light barrier homonymies that are positioned at the top, two light barrier homonymies that are positioned at the below connect an axle respectively at the part end that connects " L " template, all be with gear on described four axles, described gear meshes in twos, described be positioned at the top an axle axle head and be positioned at the below an axle axle head all connect rotation apparatus, be positioned at the top another root axle axial end and be positioned at the below another root axle axial end locking device all is installed, be used for when hot spot is adjusted to required size, lock gear is no longer rotated it.
2. a kind of X ray safety inspection equipment light beam adjusting mechanism as claimed in claim 1 is characterized in that described level crossing is an optical glass, aluminizes in the surface.
3. a kind of X ray safety inspection equipment light beam adjusting mechanism as claimed in claim 1 or 2 is characterized in that the described rotation apparatus that is connected axle head is manual knob or electronic knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120045153XU CN202008844U (en) | 2011-02-23 | 2011-02-23 | Beam adjusting mechanism of x-ray safety inspection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120045153XU CN202008844U (en) | 2011-02-23 | 2011-02-23 | Beam adjusting mechanism of x-ray safety inspection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202008844U true CN202008844U (en) | 2011-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120045153XU Expired - Fee Related CN202008844U (en) | 2011-02-23 | 2011-02-23 | Beam adjusting mechanism of x-ray safety inspection equipment |
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| CN (1) | CN202008844U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110720943A (en) * | 2019-12-19 | 2020-01-24 | 深圳市创谷科技发展有限公司 | Beam limiter and X-ray machine |
-
2011
- 2011-02-23 CN CN201120045153XU patent/CN202008844U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110720943A (en) * | 2019-12-19 | 2020-01-24 | 深圳市创谷科技发展有限公司 | Beam limiter and X-ray machine |
| CN110720943B (en) * | 2019-12-19 | 2020-04-10 | 深圳市创谷科技发展有限公司 | Beam limiter and X-ray machine |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111012 Termination date: 20160223 |