CN208421262U - With new structural X-ray security inspection machine - Google Patents
With new structural X-ray security inspection machine Download PDFInfo
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- CN208421262U CN208421262U CN201820870279.2U CN201820870279U CN208421262U CN 208421262 U CN208421262 U CN 208421262U CN 201820870279 U CN201820870279 U CN 201820870279U CN 208421262 U CN208421262 U CN 208421262U
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Abstract
The utility model relates to instrument and equipment fields; more particularly to new structural X-ray security inspection machine; including x ray generator, X-ray detector, protective cover and image processing apparatus; beam limiting device is additionally provided on x ray generator; the beam limiting device is provided with transmissive slit; the transmissive slit is provided in the non-vertical direction of beam limiting device, X-ray detector setting upside projected position in protective cover in X-ray.To which low cost obtains three-dimensional image, fallout ratio, omission factor can be significantly reduced, and inspection efficiency was greatly improved, can satisfy safety check needs under more scenes, have great popularization value.
Description
Technical field
The utility model relates to instrument and equipment fields, and in particular to have new structural X-ray security inspection machine.
Background technique
X-ray safety check instrument is a kind of common safety detection electronic equipment, by x ray generator, X-ray detector, figure
As the part such as processing system forms.It is penetrated since X-ray safety check instrument can be sent into X to conveyer belt by X-ray scanning imaging technique
The luggage in beta radiation region is detected, therefore has been widely used in subway, airport, museum, government bodies etc. at present
Place.
X-ray safety check instrument at work, issues X-ray by X-ray production apparatus first, and then these X-rays pass through row to be detected
Lee, and different x-ray perspective view is formed, so as to judge luggage and articles.Specifically, since X-ray is a kind of than visible
The electromagnetic radiation of light wave length, thus X-ray have very strong penetration capacity, this penetration capacity can pass through solid, liquid,
Even steel plate.When X-ray passes through different articles, since the property of article itself is different, for example thickness is different, and composition is not
Together, density is different, causes article different to the degree of absorption of X ray, to transmit the X-ray of varying strength, passes through acquisition
The transmission X-ray of these varying strengths, so that it may reflect the structural information of article.For example, object big for density, volume is thick
For product, absorption is more, and the X-ray intensity for correspondingly thus locating transmission is just weaker, and vice versa, volume small for density
It for thin article, absorbs less, the X-ray intensity correspondingly thus penetrated is just relatively strong.
It is X-ray detector for receiving the structure of the X-ray of transmission, this detector can to the reception mode of X-ray
Understood with the working principle of reference scan instrument.Specifically, when working method of the X-ray safety check instrument using line scanning,
Internal highly sensitive X-ray linear array detector successively scans article under the driving of mechanical scanner.The X of these stratiforms
After ray signal is handled by image processing system, image creation is carried out to obtain the figure that can embody expression items within luggage
As information.
In currently available technology, the lower section of X-ray safety check instrument is arranged in x ray generator, itself has Z axial,
Launch the X-ray (Y direction) of vertical direction, luggage and articles from the side of safety check instrument are moved to the other side (X with conveyer belt
The movement of axis direction) during, the item sections image of several continuous vertical direction is formed in the top of x ray generator,
The article that passes through this moment is separately included in these images in the information of X axis.These images are superimposed along X-axis, form luggage and articles
X-axis-Z axis two dimensional image.
Since luggage is to form the Item Information of a vertical direction in the moment by transmitter, it hangs down positioned at this
All items in straightforward face are compressed in the same image information.When same position has the overlapping of multiple articles, or
When person's part objects are shielded, this two dimensional image is difficult to accurately reflect the form of luggage and articles itself.Security staff passes through
Two dimensional image be easy to cause erroneous detection, missing inspection.In particular, mutual masking is closed if items within luggage overlapping degree is higher
When being more serious, it is possible to cause safety check image complicated, it is difficult to recognize, so that extending security staff recognizes the time, increase
Add safety check by the time, causes the delay of personnel.If still can not recognize, further unpack detection, further increase
Security staff's workload.
In order to obtain information more fully safety check image, for example three-dimensional safety check image, has company to develop rotation at present
The X-ray emission source of formula, during safety check, X-ray emission source is constantly rotated, and matched receiver equally constantly revolves
Turn, to form the safety check image of several different angles, the fitting of these data is got up using fitting algorithm, reduction forms one
3-D image, such structure can greatly reduce missing inspection, erroneous detection, simultaneously because image is more nearly authentic item form, institute
It is easy with safety inspector's identification.
But this screening machine requires the running accuracy in X-ray emission source very high, whole screening machine cost height, at
This height, therefore can not widely promote the use of.
Summary of the invention
Goal of the invention of the invention is to be improved under the premise of not increasing safety check instrument cost by structure, and obtaining has three
The safety check image of dimension information avoids erroneous detection, missing inspection so as to improve safety check efficiency.
In order to achieve the above-mentioned object of the invention, the invention discloses with new structural X-ray safety check instrument, the X-ray
Safety check instrument includes x ray generator, X-ray detector, protective cover and image processing apparatus, and special emphasis is,
In the present invention, beam limiting device is additionally provided on x ray generator, the beam limiting device is provided with transmissive slit, which opens
It is located in the non-vertical direction of beam limiting device, X-ray detector setting upside projected position in protective cover in X-ray.Pass through
This structure, X-ray pass through X-ray radiation region via the transmissive slit in the form of oblique, when luggage passes through the X-ray radiation
When region, with continuous movement, several continuous images with certain oblique angle are obtained, these images contain simultaneously
The information of X-axis and Y axis both direction, by being constantly superimposed the information of X-axis and Y direction, due to x ray generator position itself
In in Z-direction, therefore X-axis-Y-axis-Z axis 3-D image can be formed.
Preferably, transmissive slit is horizontal by 45 °.
Or, it is preferred that transmissive slit is horizontal by 30 °.
Or, it is preferred that transmissive slit is horizontal by 60 °.
When transmissive slit is different from the angle of horizontal plane, and after being arranged to specific angle, can be by image at
Program is managed, multiple consecutive images that X-ray detection instrument is collected are rebuild, simulation forms 3-D image, thus preferably anti-
Answer article form.
More preferably mode be further include having the display screen being connected with image processing apparatus.
3-D image of the security staff by presentation on a display screen, judges what substance the article carried in luggage is,
And the correlation that can be clearly seen between each article.Since image is 3 D stereo, it is more nearly article itself,
Therefore, safety inspector can quickly judge the article in luggage, improve safety check effect, avoid stream of people's congestion;It is even more important
, due to can reflect relationship and three-dimensional structure between article, can understand distinguish and identify it is overlapped,
Either with the article of masking relationship, missing inspection, false retrieval are reduced.
After technical solution disclosed in this invention, fallout ratio, omission factor can be significantly reduced, and be greatly improved
Examine efficiency.Mitigate security staff's working strength, reduces security staff's working time.And it is disclosed in this invention with novel knot
The screening machine structure of structure is simple, is easily achieved to the reforming mode of existing screening machine, is a kind of inexpensive, high-precision safety check
Machine meets safety check needs under more scenes, has great popularization value.
Detailed description of the invention
Fig. 1 is the schematic diagram with new structural screening machine.
Fig. 2 is the specific schematic diagram of X-ray generator section.
Fig. 3 is safety check image schematic diagram, and wherein a is the safety check image that the present invention discloses safety check, and b is used for same structure and passed
The safety check image that screening machine of uniting obtains.
Specific embodiment
Below by embodiment, the present invention is described in further detail.It should be understood that following embodiments are only used
The present invention is explained in more clear, but this does not limit the scope of protection of the present invention.It is limited in the claims in the present invention
Protection scope in, the changes, modifications or equivalent change without substantial variation carried out to it should all be fallen into of the invention
In protection scope.
Embodiment 1
As shown in Figure 1 have a new structural X-ray safety check instrument, the X-ray safety check instrument include x ray generator 1,
X-ray detector 2, protective cover 3 and image processing apparatus 4 further include having the display screen 5 connecting with image processing apparatus, such as
Shown in Fig. 1, beam limiting device 6, special attention Fig. 2 are additionally provided on x ray generator, it can be seen that the beam limiting device 6
It is provided with transmissive slit (on the section in Fig. 2, which is rendered as the fracture of transmissive slit section circle), the transmissive slit
It is provided in the non-vertical direction of beam limiting device, in the present embodiment, transmissive slit is horizontal by 45 °, as shown in Figure 2
Like that, X ray detector setting projected position on the upside of X-ray is in protective cover, as shown in Figure 1.Pass through this knot
Structure, X-ray 7 pass through X-ray radiation region via the transmissive slit in the form of oblique, and transmission mechanism 8 drives conveyer belt 9 to rotate,
So that the luggage being placed on it constantly moves, when luggage passes through the X-ray radiation region, several continuous tools are obtained
There is the image of certain oblique angle, these images contain the information of X axis and Y-axis both direction simultaneously, by being constantly superimposed X
The information of axis and Y direction can form X-axis-Y-axis-Z axis three since x ray generator itself is located in Z-direction
Tie up image.For with folded plate and the shielded rectangle structure under it, through this embodiment disclosed in have
The image that new structural X-ray safety check instrument obtains is as shown in the part a in Fig. 3, it can be seen that article structure is reconditioned, and is held very much
Easily recognizing the article is the article composition with upper and lower relation for having upper and lower two parts or two separation.Article above
It is with thickness, and the folded plate of centre bending, on the downside of it is a rectangle structure.But if using tradition
Safety check instrument itself there is Z axis to launching vertical since the lower section of X-ray safety check instrument is arranged in x ray generator
The X-ray (Y direction) in direction, luggage and articles from the side of safety check instrument are moved to the other side (shifting of X-direction with conveyer belt
It is dynamic) during, the item sections image of several continuous vertical direction is formed in the top of x ray generator, in these images
The article that passes through this moment is separately included in the information of X-axis.These images are superimposed along X-axis, are only capable of forming the X-axis-Z of luggage and articles
Axis two dimensional image, as shown in the part b in Fig. 3.According to the comparison of two images in Fig. 3, it is thus evident that the present invention in 3-D image more
Good reduction and embodiment article structure, recognizes convenient for safety inspector.
Claims (5)
1. having new structural X-ray safety check instrument, the X-ray safety check instrument includes x ray generator, X-ray detector, guarantor
Shield and image processing apparatus, it is characterised in that: beam limiting device is additionally provided on x ray generator, the beam limiting device is opened
There is transmissive slit, which is provided in the non-vertical direction of beam limiting device, and X-ray detector setting is being protected in X-ray
Upside projected position in shield.
2. according to claim 1 have new structural X-ray safety check instrument, it is characterised in that: transmissive slit and level
Face is in 45 °.
3. according to claim 1 have new structural X-ray safety check instrument, it is characterised in that: transmissive slit and level
Face is in 30 °.
4. according to claim 1 have new structural X-ray safety check instrument, it is characterised in that: transmissive slit and level
Face is in 60 °.
5. according to claim 1 have new structural X-ray safety check instrument, it is characterised in that: further include having and image
The display screen that processing unit is connected.
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CN201820870279.2U CN208421262U (en) | 2018-06-06 | 2018-06-06 | With new structural X-ray security inspection machine |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112415619A (en) * | 2020-09-14 | 2021-02-26 | 上海奕瑞光电子科技股份有限公司 | High-speed big data transmission system, method, terminal and medium based on linear array detector |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112415619A (en) * | 2020-09-14 | 2021-02-26 | 上海奕瑞光电子科技股份有限公司 | High-speed big data transmission system, method, terminal and medium based on linear array detector |
CN112415619B (en) * | 2020-09-14 | 2024-03-19 | 上海奕瑞光电子科技股份有限公司 | High-speed big data transmission system, method, terminal and medium based on linear array detector |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: X ray security check machine with novel structure Effective date of registration: 20190610 Granted publication date: 20190122 Pledgee: Chengdong Branch of Nanjing Bank Co., Ltd. Pledgor: Nanjing gallop Technology Development Co., Ltd. Registration number: 2019320000266 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |