CN201697852U - Test box for detecting computed tomography (CT) type security check equipment - Google Patents
Test box for detecting computed tomography (CT) type security check equipment Download PDFInfo
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- CN201697852U CN201697852U CN2010202236552U CN201020223655U CN201697852U CN 201697852 U CN201697852 U CN 201697852U CN 2010202236552 U CN2010202236552 U CN 2010202236552U CN 201020223655 U CN201020223655 U CN 201020223655U CN 201697852 U CN201697852 U CN 201697852U
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Abstract
The utility model discloses a test box for detecting computed tomography (CT) type security check equipment. The test box comprises a shell, a first test body and/or a third test body, wherein a cavity is formed in the shell; the first test body is used for testing space resolution and comprises at least one metal plate pair; the third testing body is used for testing density resolution and comprises at least one test post the density of which is different from that of a substrate of the third testing body; and the first testing body and/or the third testing body are/is arranged in the cavity of the shell. The test case of the utility model can be used for testing the space resolution and/or the density resolution of the CT type security check equipment.
Description
Technical field
The utility model relates to the field tests of safety inspection equipment, more specifically, relates to a kind of test box that is used to detect CT type safety inspection equipment.
Background technology
The characteristics of CT type safety inspection equipment are to utilize X ray computer fault imaging principle, and inspected object is formed the computer tomography image, and inspected object is differentiated.Particularly, this safety inspection equipment can form the 3-D view of inspected object based on a series of two-dimensional x-ray penetration scan images that produce along the rotation of single shaft circumference.Utilize this technology can accurately discern the inner structural features and the material density of inspected object.
For the safety inspection field, need according to the shape and the intrinsic information of inspected object each article in the inspected object to be discerned comparatively exactly.Therefore when evaluate CT type safety inspection equipment, need to understand safety inspection equipment to nuance on the inspected object fault surface recognition capability, and CT type safety inspection equipment is to the accuracy of the measurement of inspected object density.
The utility model content
Given this, the purpose of this utility model is intended to solve at least one aspect of the above-mentioned problems in the prior art and defective.
Therefore, at least one aspect of the present utility model is to provide a kind of test box that is used to detect CT type safety inspection equipment, and wherein, described test box comprises: housing is provided with the chamber in the described housing; Be used for comprising the first right test body of at least one sheet metal and/or being used for the 3rd test body of test density resolution of test space resolution, and described the 3rd test body comprises at least one test pole different with the substrate density of the 3rd test body, and described first test body and/or the 3rd test body are arranged in the chamber in the described housing.
In one embodiment, described test box comprises second test body of the prod that comprises at least one predetermined density that is used for the test density measured deviation, and described second test body is arranged in the interior chamber of described housing.
Particularly, described sheet metal is arranged in symmetrically to the central axis about described first test body on the same circumference in the xsect of described first test body, and each sheet metal is to being made of equally spaced from the sheet metal of opening a plurality of.
Preferably, described first test body comprises that 6 aluminium sheets are right, and the thickness and the spacing of the aluminium sheet of each aluminium sheet centering equate.
Particularly, described each aluminium sheet is to comprising three first aluminium sheets that distribute along the longitudinal direction of the xsect of described first test body symmetrically from described circumference and three second aluminium sheets of arranging along the horizontal direction of the xsect of described first test body from the first aluminium sheet compartment of terrain of described aluminium sheet centering.
Preferably, described second test body comprises the prod of at least two predetermined densities in the xsect that is arranged in described second test body symmetrically.
In one embodiment, described the 3rd test body comprises the test pole of at least two different densities.
In another embodiment, described the 3rd test body comprises at least three test poles that are arranged in described the 3rd test body, the density of described at least three test poles increases with the form of arithmetic progression or reduces, and a test pole in described three test poles is centrally located on the central axis of described the 3rd test body, and remaining test pole distributes symmetrically about the central axis of described the 3rd test body.
Preferably, described test pole is solid or liquid testing post.
In another embodiment, described housing is rectangle, square or cylindrical plastic housing, and it is divided into three sections by two dividing plates, and each section connects by described dividing plate.
Particularly, each test body in described first test body, second test body and the 3rd test body is fixed on the described dividing plate by securing member.
Description of drawings
Fig. 1 is according to the overall perspective of the test box of an embodiment of the present utility model and exploded view;
Fig. 2 is the plan view according to the test box of an embodiment of the present utility model;
Fig. 3 is the viewgraph of cross-section according to the test body of the test space resolution of an embodiment of the present utility model;
Fig. 4 is the structural representation according to the test body of the test density measured deviation of an embodiment of the present utility model; With
Fig. 5 is the viewgraph of cross-section according to the test body of the test density resolution of an embodiment of the present utility model.
Embodiment
Below be according to specific instantiation embodiment of the present utility model to be described, those of ordinary skill in the art can understand structure of the present utility model easily by the content that is disclosed in following examples, advantage and effect.
The utility model also can be implemented or be used by other different instantiation, and the every details in this instructions also can be carried out various modifications and change based on different viewpoints and application under the spirit that does not deviate from creation of the present utility model.
Moreover, below the graphic signal that is simplification graphic, and basic conception of the present utility model only is described in a schematic way, so only show the assembly relevant in graphic but not component count, shape and size drafting when implementing according to reality with the utility model, kenel, quantity and the ratio of each assembly can be done random change during its actual enforcement, and its assembly layout form may be more complicated.
Referring to figs. 1 to Fig. 2, an embodiment of the present utility model provides a kind of test box that is used to detect CT type safety inspection equipment, and this test box comprises: housing 10 is provided with chamber 20 in the described housing 10; The first test body A that is used for test space resolution; The second test body B that is used for the test density measured deviation; With the 3rd test body C that is used for test density resolution, the wherein said first test body A, the second test body B and the 3rd test body C are successively set on respectively in the chamber 20 in the described housing 10.
Be appreciated that described housing 10 is rectangle, square or cylindrical plastic housing, it is divided into three sections by two dividing plates 30, and each section connects by described dividing plate 30.Each test body among the described first test body A, the second test body B and the 3rd test body C is fixed on the described dividing plate 30 by securing member.Particularly, this securing member can be for being arranged on the screw channel and the screw that is arranged on the test body on the dividing plate 30, and vice versa.Certainly design the quantity and the form of securing member as required.Can certainly adopt alternate manner well known by persons skilled in the art to connect described test body and dividing plate 30.
In an embodiment of the present utility model, described housing 10 is a rectangle, and this housing 10 is divided into three sections by two dividing plates 30.Described each section can adopt the mode identical with test body to be fixed together by dividing plate 30.Housing 10 is formed by plastic casing, for example tygon.Certainly, the described screw of present embodiment also can be plastic screw.
Next, will be used for the test body A of test space resolution, the test body B of test density measured deviation and the test body C of test density resolution is elaborated to described respectively with reference to figure 3 to Fig. 5 particularly.
With reference to figure 3, the first test body A that is used for test space resolution comprises that at least one sheet metal of the xsect that is arranged in the first test body A is right particularly.Sheet metal is arranged in symmetrically to the central axis about the described first test body A on the same circumference (for example radius is Φ 5=145mm) in the xsect of the described first test body A, and each sheet metal is to constituting (for example being spaced apart k) by a plurality of equally spaced from the sheet metal of opening.The first test body A comprises that 6 aluminium sheets are right, and the thickness and the spacing of the aluminium sheet of each aluminium sheet centering equate.Described each aluminium sheet is to comprising three first aluminium sheets that distribute along the longitudinal direction of the xsect of the described first test body A symmetrically from described circumference and three second aluminium sheets of arranging along the horizontal direction of the xsect of the described first test body A from the first aluminium sheet compartment of terrain of described aluminium sheet centering.As shown in the figure, demonstrate particularly, the radius Φ 2=180mm of the described first test body A, the interval between described three first aluminium sheets and the thickness of each first aluminium sheet are respectively k.The interval between described three second aluminium sheets and the thickness of each second aluminium sheet are respectively k.But be that first aluminium sheet or their length L of second aluminium sheet 1 all are 150mm, width w is 10mm.Further, the interval s between described first aluminium sheet and nearest second aluminium sheet also is 10mm.So, only change the thickness of aluminium sheet and the spacing between them, arranged symmetrically on the space that in the first test body A 6 pairs of aluminium sheets are right.Referring to Fig. 3 as can be known, that is to say that the right center of all aluminium sheets is that the distance of Φ 1=110mm circumference equates to radius.Shown specifically respectively that in table 1 aluminium sheet among the first test body A is to distributing and the corresponding relation of size.
Aluminium sheet among the table 1 first test body A is to the corresponding relation of distribution and size
| Line is to the card numbering | Location number | Embedded aluminium sheet size (long * wide * thick) | Aluminium sheet at interval |
| 1 | A1 | 150×10×6.00 | 6.00 |
| 2 | A2 | 150×10×5.00 | 5.00 |
| 3 | A3 | 150×10×4.00 | 4.00 |
| 4 | A4 | 150×10×3.00 | 3.00 |
| 5 | A5 | 150×10×2.00 | 2.00 |
| 6 | A6 | 150×10×1.00 | 1.00 |
Referring to Fig. 4, the second test body B that is used for the test density measured deviation comprises the prod of at least two predetermined densities of the xsect that is arranged in the described second test body B symmetrically.In an embodiment of the present utility model, the described second test body B comprises two predetermined graphite rods of density.As shown in the figure, described graphite rod has elongated cylindrical.Preferably, the prod among the described second test body B has the identical length of length with the test pole of the length of the aluminium sheet of the first test body A and/or the 3rd test body C (being described hereinafter).Like this, can be so that the manufacturing of described test box and make it attractive in appearance.
As shown in Figure 5, the 3rd test body C that is used for test density resolution comprises the different test pole of substrate density of at least one of being arranged in described the 3rd test body C and the 3rd test body C.Particularly, the 3rd test body C can comprise at least two test poles.Additionally, the 3rd test body C comprises at least three test poles, the density of described at least three test poles increases with the form of arithmetic progression or reduces, and a test pole in described three test poles is centrally located on the central axis of described the 3rd test body C, and remaining test pole distributes symmetrically about the central axis of described the 3rd test body C.In one embodiment, described test pole is solid or liquid testing post.In addition, as shown in Figure 5, the length L 2=150mm of described test pole, and all center on radius Φ 3=94mm setting.Certainly, as can be known, the radius Φ 4=150mm of the 3rd test body C.
Be appreciated that by measuring the resolution characteristic of CT type safety inspection equipment, obtain the density resolution of described CT type safety inspection equipment the test pole (for example solid or liquid testing post) of adjacent density value.In an embodiment of the present utility model, the 3rd test body C is the inner right cylinder of inlaying 6 different densities test poles.Particularly, first test pole is positioned on the central axis of the 3rd test body C, and remaining 5 test poles are distributed in the xsect of the 3rd test body C symmetrically.The density difference of each test pole among the 3rd test body C and the substrate of the 3rd test body C is as shown in table 2.
The density difference of each test pole among table 2 the 3rd test body C
| Sequence number | The density difference of each test pole and substrate | Corresponding density resolution |
| 1 | Substrate density+1% | +1％ |
| 2 | Substrate density+2% | +2％ |
| 3 | Substrate density+3% | +3％ |
| 4 | Substrate density+4% | +4％ |
| 5 | Substrate density+5% | +5％ |
| 6 | Substrate density+6% | +6％ |
| Substrate | - |
It will be appreciated, of course, that the right cylinder that also can directly get out 6 hollows as described above in the 3rd test body C, the liquid of having arranged definite density in advance wherein is housed respectively, the density difference is a plurality of test poles of a constant thereby formation for example has.More simply, can one of them test pole be set to comprise the cylinder of water, and other test pole comprises the aqueous solution of different densities value.So promptly practicably produced the 3rd test body C simply again.Certainly, also can in the right cylinder of 6 above-mentioned hollows, inject the gas of different densities, have the gas test post of different densities with formation.From above-mentioned description as can be known, the substrate of described the 3rd test body in use can be thought a test pole or substrate post.That is to say that the density of substrate post is identical with substrate.Like this, in actual manufacturing, just can partly reduce the quantity of the test pole of required manufacturing.
Be appreciated that concrete configuration, size, distribution relation relevant for the first test body A, the second test body B and the 3rd test body C can change as required, and not necessarily will be constrained to the concrete form that the utility model exemplifies.The embodiment that the utility model exemplified only is used to illustrate the utility model.
In sum, the test box that provides of the utility model can carry out spatial resolution, density measure deviation and density resolution test to CT type safety inspection equipment.
The explanation that above-mentioned embodiment of the present utility model is only exemplary principle of the present utility model and effect thereof, but not be used to limit the utility model, know and it will be understood by those skilled in the art that, under the situation that does not depart from spirit and scope of the present utility model, any changes and improvements that the utility model is done are all in scope of the present utility model.Rights protection scope of the present utility model, should as the application claim defined is as the criterion.
Claims (11)
1. test box that is used to detect CT type safety inspection equipment is characterized in that described test box comprises:
Housing is provided with the chamber in the described housing;
Be used for comprising the first right test body of at least one sheet metal and/or being used for the 3rd test body of test density resolution of test space resolution, and described the 3rd test body comprises at least one test pole different with the substrate density of the 3rd test body, and described first test body and/or the 3rd test body are arranged in the chamber in the described housing.
2. test box according to claim 1 is characterized in that, described test box comprises second test body of the prod that comprises at least one predetermined density that is used for the test density measured deviation, and described second test body is arranged in the interior chamber of described housing.
3. test box according to claim 1, it is characterized in that, described sheet metal is arranged in symmetrically to the central axis about described first test body on the same circumference in the xsect of described first test body, and each sheet metal is to being made of equally spaced from the sheet metal of opening a plurality of.
4. test box according to claim 3 is characterized in that, described first test body comprises that 6 aluminium sheets are right, and the thickness and the spacing of the aluminium sheet of each aluminium sheet centering equate.
5. test box according to claim 4, it is characterized in that, described each aluminium sheet is to comprising three first aluminium sheets that distribute along the longitudinal direction of the xsect of described first test body symmetrically from described circumference and three second aluminium sheets of arranging along the horizontal direction of the xsect of described first test body from the first aluminium sheet compartment of terrain of described aluminium sheet centering.
6. test box according to claim 2 is characterized in that described second test body comprises the prod of at least two predetermined densities in the xsect that is arranged in described second test body symmetrically.
7. test box according to claim 1 is characterized in that described the 3rd test body comprises the test pole of at least two different densities.
8. test box according to claim 7, it is characterized in that, described the 3rd test body comprises at least three test poles that are arranged in described the 3rd test body, the density of described at least three test poles increases with the form of arithmetic progression or reduces, and a test pole in described three test poles is centrally located on the central axis of described the 3rd test body, and remaining test pole distributes symmetrically about the central axis of described the 3rd test body.
9. test box according to claim 7 is characterized in that, described test pole is solid or liquid testing post.
10. test box according to claim 1 is characterized in that, described housing is rectangle, square or cylindrical plastic housing, and it is divided into three sections by two dividing plates, and each section connects by described dividing plate.
11. test box according to claim 10 is characterized in that, each test body in described first test body, second test body and the 3rd test body is fixed on the described dividing plate by securing member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202236552U CN201697852U (en) | 2010-06-12 | 2010-06-12 | Test box for detecting computed tomography (CT) type security check equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202236552U CN201697852U (en) | 2010-06-12 | 2010-06-12 | Test box for detecting computed tomography (CT) type security check equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201697852U true CN201697852U (en) | 2011-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202236552U Expired - Lifetime CN201697852U (en) | 2010-06-12 | 2010-06-12 | Test box for detecting computed tomography (CT) type security check equipment |
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| Country | Link |
|---|---|
| CN (1) | CN201697852U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279141A (en) * | 2010-06-12 | 2011-12-14 | 中国民航科学技术研究院 | Test box for detecting CT (Computed Tomography) type safety inspection equipment |
| CN106546610A (en) * | 2016-10-28 | 2017-03-29 | 中国计量科学研究院 | The test system of spatial resolution |
| CN107515431A (en) * | 2017-07-04 | 2017-12-26 | 北京航天易联科技发展有限公司 | A kind of performance test methods and device of passive type Terahertz human body safety check instrument |
-
2010
- 2010-06-12 CN CN2010202236552U patent/CN201697852U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279141A (en) * | 2010-06-12 | 2011-12-14 | 中国民航科学技术研究院 | Test box for detecting CT (Computed Tomography) type safety inspection equipment |
| CN102279141B (en) * | 2010-06-12 | 2013-05-01 | 中国民航科学技术研究院 | Test box for detecting CT (Computed Tomography) type safety inspection equipment |
| CN106546610A (en) * | 2016-10-28 | 2017-03-29 | 中国计量科学研究院 | The test system of spatial resolution |
| CN107515431A (en) * | 2017-07-04 | 2017-12-26 | 北京航天易联科技发展有限公司 | A kind of performance test methods and device of passive type Terahertz human body safety check instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110105 Effective date of abandoning: 20130501 |
|
| RGAV | Abandon patent right to avoid regrant |