CN110346397A - Nuclear magnetic resonance multimode detects die body - Google Patents
Nuclear magnetic resonance multimode detects die body Download PDFInfo
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- CN110346397A CN110346397A CN201910715550.4A CN201910715550A CN110346397A CN 110346397 A CN110346397 A CN 110346397A CN 201910715550 A CN201910715550 A CN 201910715550A CN 110346397 A CN110346397 A CN 110346397A
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- 238000005481 NMR spectroscopy Methods 0.000 title claims abstract description 41
- 238000012360 testing method Methods 0.000 claims abstract description 106
- 238000007789 sealing Methods 0.000 claims description 32
- 238000009826 distribution Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 24
- 238000010586 diagram Methods 0.000 description 12
- 238000003745 diagnosis Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 241000446313 Lamella Species 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241000375392 Tana Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
- G01N24/08—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
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Abstract
This application discloses a kind of nuclear magnetic resonance multimodes to detect die body, including shell and is connected to the intracorporal multiple modules of shell；At least two are selected from thickness test module, spatial linear test module, spatial resolution test module, low-contrast resolution test module in multiple modules.Multiple detection modules are arranged in nuclear magnetic resonance multimode detection die body provided by the present application, each detection module is for one or more than one detection, modules need to connect according to detection, and a detection die body integrates multinomial detectability, and it is convenient to use and carry.
Description
Technical field
The application belongs to nuclear magnetic resonance technique field, and in particular to a kind of nuclear magnetic resonance multimode detection die body.
Background technique
Soon from after roentgen's discovery x-ray in 1895, X-ray is just widely used in checking human body, as right
The foundation of medical diagnosis on disease.Occurs X ray computer Tomography in succession again to the 1970s and the eighties, it is modern age
The product that computer technology of developing by leaps and bounds and X-ray medical diagnosis technology combine.EMI company, Britain is studied successfully within 1971
First head CT Scanner, S Design First whole body CT machine comes out within 1975, it is to be carried out with X-ray to human body level
Scanning obtains information, and the reconstruction image for handling and obtaining through computer improves to be significantly expanded the detection range of human body
The recall rate of lesion and the accuracy of diagnosis, this diagnosis height, no pain, hurtless measure, non-hazardous diagnostic means are radiation
One quantum jump of diagnostic field.The new model CT of countries in the world CT production at present is based on constantly improve for original model CT machine
And innovation, scanning speed, processing speed, in terms of continuously improve, bring more convenient and quicker for people
CT diagnosis.And CT diagnostic machine is also that people bring a big problem, production firms are also to the detection of this instrument, norm controlling
Constantly grope and study, carrying out detection to CT instrument currently with die body becomes mainstream instantly.
General nuclear magnetic resonance test die body will be completed total to a certain magnetic often just for a certain specific test item
The comprehensive assessment for equipment of shaking, often requires to use multiple die bodys, all not convenient for testing and carrying.
Summary of the invention
In view of drawbacks described above in the prior art or deficiency, it is intended to provide a kind of nuclear magnetic resonance multimode detection die body.
The application provides a kind of nuclear magnetic resonance multimode detection die body, including shell and is connected to the intracorporal multiple moulds of shell
Block；At least two selected from thickness test module, spatial linear test module, spatial resolution test module, low in multiple modules
Contrast resolution's test module；
Thickness test module includes support plate and the whole frame in rectangular-ambulatory-plane；Frame end face is connected in support plate；Frame
Frame outer wall is equipped with skewback on four faces；4 pieces of skewbacks are with frame axis oblique, and angle degree is equal；
Spatial linear test module includes spatial linear test panel；Rectangular array is distributed with more on spatial linear test panel
A rectangular array position；Spatial linear test through-hole is provided on segment rectangle array position；
Spatial resolution test module includes spatial resolution test panel；Spatial resolution test panel is equipped with multiple groups line pair
Through-hole is tested with multiple groups spatial resolution；Every group of spatial resolution test through-hole is using spatial resolution test disk center as the center of circle
Circular array distribution, distribution angle are greater than 150 °；
Low-contrast resolution test module includes low-contrast resolution test panel；On low-contrast resolution test panel in a ring
Array distribution has multiple annular array positions；Using a straight line by low-contrast resolution test disk center as boundary line, boundary line one
The annular array position of side is equipped with circular hole, vacant on the annular array position of the boundary line other side or be equipped with cylinder；Circular hole depth is small
Disc thickness is tested in low-contrast resolution；Each circular hole depth identical with annular array centre distance is different；With annular
Array center is different apart from identical each cylinder height.
Multiple detection modules are arranged in nuclear magnetic resonance multimode detection die body provided by the present application, and each detection module is used for one
Item or more than one of detection, modules need to connect according to detection, and a detection die body integrates multinomial detectability, makes
With with carry it is convenient.
Further, support plate is equipped with square hole；The distance between frame inner wall opposing sides is greater than square hole size.
Further, skewback is in cuboid plate, and a seamed edge is arranged along frame outer wall diagonal line.
Further, the rectangular array position totally two of not set spatial linear test through-hole, the extended line of line passes through
Spatial linear tests disk center.
Further, isosceles right triangle through-hole is additionally provided on spatial resolution test panel；Isosceles right triangle is logical
One sharp-angled apex in hole is located at spatial resolution test disk center.
Further, line is mutually perpendicular to total two rows, the orientation of two winding displacements pair.
Further, the diameter of spatial resolution test through-hole, circular hole, cylinder is with center and place circular array
It arranges the increase of distance between the center of circle and increases.
Further, the depth value about the symmetrical circular hole in boundary line is equal with the height value of cylinder.
Further, shell includes bottom panel, side plate and sealing cover；Side plate is cylindrical；Sealing cover and bottom panel are in
Disc is connected to side plate upper and lower ends；Two screws are symmetrically arranged on sealing cover；Screw lower end surface and sealing cover lower end
Face is concordant.
Further, at least two connecting columns are equipped in shell；Connecting column both ends are connected to sealing cover and bottom panel
On；Modules are equipped with the through-hole passed through for connecting column in connecting column corresponding position；In adjacent block on connecting column circumferential surface
Between, between the module and sealing cover of the top, between the lowermost module and bottom panel be equipped with casing with fixed module.
The application has the advantages and positive effects of: nuclear magnetic resonance multimode detection die body setting provided by the present application is more
A detection module, each detection module need to connect for one or more than one detection, modules according to detection, an inspection
It surveys die body and integrates multinomial detectability, it is convenient to use and carry.
The technical issues of in addition to the application described above solution, constitutes the technical characteristic of technical solution and by these
Except advantage brought by the technical characteristic of technical solution, wrapped in other technologies problem that the application can solve, technical solution
Advantage brought by the other technical characteristics contained and these technical characteristics, makees further details of hereinafter in conjunction with attached drawing
Explanation.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is that the nuclear magnetic resonance multimode that the embodiment of the present application 1 provides detects die body outline structural diagram；
Fig. 2 is that the nuclear magnetic resonance multimode that the embodiment of the present application 1 provides detects die body schematic diagram of internal structure；
Fig. 3 is the structural schematic diagram that the nuclear magnetic resonance multimode that the embodiment of the present application 1 provides detects sealing cover in die body；
Fig. 4 is that the nuclear magnetic resonance multimode that the embodiment of the present application 1 provides detects connecting column structural schematic diagram in die body；
Fig. 5 is that the nuclear magnetic resonance multimode that the embodiment of the present application 1 provides detects the test module structural representation of die body layer thicknesses
Figure；
Fig. 6 is that the nuclear magnetic resonance multimode that the embodiment of the present application 1 provides detects die body concave slot structure schematic diagram；
Fig. 7 is that the nuclear magnetic resonance multimode that the embodiment of the present application 1 provides detects spatial linear test module structure in die body
Schematic diagram；
Fig. 8 is that the nuclear magnetic resonance multimode that the embodiment of the present application 1 provides detects space resolution test module knot in die body
Structure schematic diagram；
Fig. 9 is that the nuclear magnetic resonance multimode that the embodiment of the present application 1 provides detects low resolution test module solid in die body
Structural schematic diagram；
Figure 10 is that the nuclear magnetic resonance multimode that the embodiment of the present application 1 provides detects low resolution test module section in die body
Structural schematic diagram；
Figure 11 is that the nuclear magnetic resonance multimode that the embodiment of the present application 2 provides detects die body schematic diagram of internal structure；
Figure 12 is that the nuclear magnetic resonance multimode that the embodiment of the present application 2 provides detects the test module structural representation of die body layer thicknesses
Figure；
Figure 13 is that the nuclear magnetic resonance multimode that the embodiment of the present application 2 provides detects space resolution test module knot in die body
Structure schematic diagram；
Figure 14 is that the nuclear magnetic resonance multimode that the embodiment of the present application 3 provides detects low resolution test module solid in die body
Structural schematic diagram.
In figure: 10, shell；11, side plate；12, sealing cover；13, bottom panel；14, screw；15, screw；16, connecting column；
17, casing；20, thickness test module；21, frame；22, skewback；23, support plate；24, square hole；25, groove；26, cylinder；
30, spatial linear test module；31, spatial linear test panel；32, spatial linear tests through-hole；40, spatial resolution tests mould
Block；41, spatial resolution test panel；42, line pair；43, spatial resolution tests through-hole；44, isosceles right triangle through-hole；
50, low-contrast resolution test module；51, low-contrast resolution test panel；52, circular hole；53, cylinder.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 and Fig. 2 are please referred to, the present embodiment provides a kind of nuclear magnetic resonance multimodes to detect die body, including shell 10 and company
Connect 4 modules in shell 10；4 modules are respectively thickness test module 20, spatial linear test module 30, spatial discrimination
Power test module 40, low-contrast resolution test module 50.Die body appearance is as shown in Figure 1, internal module layout is as shown in Figure 2.
11 outer diameter of cylinder-shaped side plate of die body is 130mm, internal diameter 120mm；The long 125mm of die body (contains two bottoms), 11 liang of cylinder-shaped side plate
The sealing cover 12 at end and the thickness of bottom panel 13 are respectively 15,10mm.
1, shell
1.1 sealing cover
Sealing cover 12 by diameter is 140mm, the disk with a thickness of 12mm and diameter are 120mm, with a thickness of the disc set of 3mm
At the two disks are an entirety.12 medial surface of sealing cover accompany a diameter be 120mm sealing ring, thickness according to
Depending on situation.(sealing ring keeps the fixation of sealing cover and shell stronger, prevents leakage).12 stereochemical structure of sealing cover is referring to figure
3。
It is 6mm that, which there is a depth in place on sealing cover 12 apart from the left and right each 54mm of disc centre, diameter is the blind of 8mm
Hole will be used for connecting column 16 and be inserted, and be used for fixing internal modular structure.
(2) internal screw thread that the place of the left and right each 30mm of horizontal direction distance disc centre has diameter 20mm to run through sealing cover
Hole (inside is threaded), so that screw 14 (outside is threaded) screws in wherein；There are six small internal screw threads for disk perimeter
Hole (inside is threaded) keeps sealing cover 12 and side plate 11 fixed so that screw 15 (outside is threaded) screws in wherein.
(3) nut of screw 14 is located at outside sealing cover 12, and with a thickness of 10mm, stud is threaded onto sealing cover 12, and length is
15mm, end are just concordant with sealing cover 12.
Bottom panel 13 is diameter 130mm, with a thickness of the disk of 10mm.Medial surface there are two diameter be 8mm, with a thickness of
The blind hole of 6mm.
There is the blind hole that depth is 6mm, diameter is 8mm in place on bottom panel 13 apart from the left and right each 54mm of disc centre, with
It is inserted into connecting column 16.Facilitate the fixation of body mould inner part.
1.3 side plate
Columnar 11 inside radius 60mm (diameter 120mm) of side plate, outer radius 65mm (diameter 130mm), length 103mm.
Bottom surface is fixed with 13 welded seal of bottom panel.Upper bottom surface and sealing cover 12 are fixed by sealing ring and fixed screw 15.
1.4 casings and connection rod structure
A disc structure is equipped in die body in each module, having 2 diameters above disk is the circular through hole of 8mm,
It can be 112mm (100+6+6) with two root long degree, the connecting column 16 that diameter is 10mm passes through every aspect and passes through shell both ends
Dished circular blind hole (hole depth 6mm, diameter 8mm) connects each lamella.Then 17 (the interior diameter of casing of different length is used
8mm, overall diameter 12mm) modules are fixed up.Casing 17 shares two sets, it is desirable that every layer of 17 length of casing is consistent, set
Positional relationship between pipe 17 and connecting column 16 is referring to fig. 4.
Two connecting columns 16 can be inserted into the circular hole (hole depth 6mm, diameter 8mm) of 13 inside of body mould sealing cover 12 and bottom panel.
Each functional module can be fixed using the circular hole of connecting column 16, casing 17 and sealing cover 12 and bottom panel 13.
In the application other embodiments, connecting column can have more, and such as 3,4；Correspondingly, casing is correspondingly arranged 3
Set, 4 sets.
2, inner function module constructs
2.1 modules one
Referring to FIG. 5, module one is thickness test module 20, primary structure is that cross section is that square cuboid is hollow
The skewback 22 installed in the frame 21 and groove of structure (with reeded " time " font)；" returning " font, which has been fixed on 2, to be determined
In the support plate 23 of the 5mm thickness in position hole.
Support plate 23 is the disk with 40 × 40mm square hole 24.The frame welding of " returning " character form structure is in support plate 23
On.
" returning " character form structure of the module, outer side length 60mm, interior side length 50mm, a height of 15mm.Four in the module are outer
Side cuts out the groove 25 for having certain tilt angle A (tanA=0.25) respectively (referring to Fig. 6).The groove 25 of each side
It is all out of shape by the upper left lower right in its section.The groove 25 plays fixed function, can insert the skewback 22 for testing thickness
Enter and wherein fixes.
Skewback 22 thickness 2mm, wide 20mm, length can be placed in groove 25 can (about 61mm) by two close end.
Support plate 23 is diameter 120mm, and with a thickness of the disk of 5mm, there is the square hole 24 of a 40 × 40mm in disk center.?
The circular through hole of two diameter 8mm of place processing apart from the left and right each 54mm of disc centre, so that connecting column 16 passes through, fixing layer
Face.
In the other embodiments of the application, the angular bisector and disk of four quadrants are located on support plate cross-sectional view
The semicircle orifice that 4 radiuses are 5mm is arranged in the point of intersection at edge.
It is 2.5mm, the cylinder of a height of 10mm that an apex in the inside of " returning " character form structure, which is fixed with a radius,
26。
2.2 modules two
Referring to FIG. 7, module is second is that spatial linear test module 30, including spatial linear test panel 31, spatial linear are surveyed
Examination disk 31 is the disc structure of diameter 120mm (the small 1mm of diameter, conveniently puts in shell when processing), thickness 3mm.Space line
Property test panel 31 at equal intervals (5mm) process 5mm × 5mm spatial linear test through-hole 32, formed run through the lamella length
Cube hole battle array.The center of disc centre and spatial linear test through-hole 32 is overlapped.
Described with orientation shown in Fig. 7, spatial linear test, 31 centers of circle are origin, and right is that x-axis is positive, top be y-axis just
To then there are two the regions (entity area) without digging small square hole at the position of first quartile, wherein first small side not hollowed out
The center in hole is in the apex with two sides in the upper right corner of positive, the 20 × 20mm of y-axis forward the square of x-axis；Second
The center of a small square hole not hollowed out with two sides in the upper right corner of positive, the 30 × 30mm of y-axis forward the square of x-axis
Apex.
The circle of the two diameter 8mm of place processing of the left and right each 54mm of horizontal direction distance disc centre on Fig. 7 is logical
Hole, so that connecting column 16 passes through, fixed level.
2.3 modules three
Referring to FIG. 8, module three is spatial resolution test module 40, including spatial resolution test panel 41；Space point
Distinguish that power test panel 41 is the disk of diameter 120mm (diameter is less than 1mm when processing, conveniently puts in shell), thickness 2mm.
It is logical that spatial resolution test panel 41 is equipped with the spatial resolution test rounded to 42 and multiple groups section of multiple groups line
Hole 43；Every group of spatial resolution test through-hole 43 is distributed by center of circle circular array of 41 center of spatial resolution test panel,
Distribution angle is 180 °.
Line is two rows of altogether to 42, describes according to orientation shown in Fig. 8, a winding displacement is horizontally arranged to 42, and another row is vertically arranged.Its
Line is respectively the periodic structure of 2.0,1.25,1.1,1.0,0.9,0.5mm to 42 corresponding intervals, and every group of line is to 42 length
10mm.The line in each direction is in 42 structures, and two groups of adjacent lines are to 42 distance 4mm.
For the line for the horizontal direction that Fig. 8 is shown to structure inner distance disc centre 34mm, the third that width is 1.1mm is long
Rectangular left side crosses the center of circle diametrically in vertical direction just；The line of vertical direction to structure by it is above-mentioned it is same in a manner of obtain
It arrives.
It is described with orientation shown in Fig. 8,41 center of circle of spatial resolution test panel is origin, and right is that x-axis is positive, top y
Axis is positive, then y-axis forward direction is respectively 6.3727,9.5591,12.7455,15.9319,19.1182 apart from disc centre,
At 25.4910mm, radius of machining is respectively that 0.2498,0.3747,0.4996,0.6245,0.7494,0.9992mm circle is logical
Hole.The depth of these circles is 2mm (running through disk), and as spatial resolution tests through-hole 43.Structure shown in Fig. 8 be y-axis just
To an emptying between resolution test through-hole 43 to x-axis, positive, negative sense with 9 ° rotates 10 formation for stepping respectively.Space point
It distinguishes and is additionally provided with isosceles right triangle through-hole 44 on power test panel 41, the vertex of a 45° angle of the isosceles right angle trigonometry is located at
It is the center of disk, a length of 40mm of right-angle side, two right-angle sides are respectively parallel to x-axis and y-axis.The isosceles right triangle runs through should
Module.
Position of the x-axis direction apart from the left and right each 54mm of disc centre is the circular through hole of 8mm there are two diameter in Fig. 8, with
Pass through connecting column, fixed level.
In the other embodiments of the application, module three can be located at the angular bisector and y of upper semi-circle quadrant on Fig. 8
The semicircle orifice that 3 radiuses are 5mm is arranged in the negative direction of axis and the point of intersection of disk border.
2.4 modules four (disc thickness 2mm, diameter 120mm)
Please referring to Fig. 9 and Figure 10, module four is low resolution test module 50, including low resolution test panel 51, low point
Distinguish that power test panel 51 is diameter 120mm (diameter is less than 1mm when processing, conveniently puts in shell), the disk of thickness 2mm.
It is described with orientation shown in Figure 10,51 center of circle of low resolution test panel is origin, and right is that x-axis is positive, and top is y-axis
Forward direction, then in positive direction of the y-axis apart from the center of circle be respectively 10,17,25,36, the position 48mm radius of machining be respectively 1,1.5,2,
2.5,3mm, depth is the circular hole 52 of 0.5mm；In negative direction of the y-axis apart from the center of circle be respectively 10,17,25,36, the position 48mm adds
Work radius is respectively 1,1.5,2,2.5,3mm, is highly the cylinder of 0.5mm 53.The structure is respectively to x-axis forward direction, negative sense with 26 °
For stepping rotation 3 times, other 6 groups of circular holes 52 and cylinder 53 are obtained.Change the depth and height of these structures, left-half depth
Respectively 0.2,0.3,0.4mm are rotated clockwise, rotation is respectively 0.2,0.3,0.4mm to height counterclockwise；Right half part depth
Respectively 0.6,0.8,1.0mm is rotated clockwise, rotation is respectively 0.6,0.8,1.0mm to height counterclockwise.It is formed as shown in Figure 9
Structure.
There are two the circles that diameter is 8mm to lead to for the position apart from the center of disk or so 54mm in the horizontal direction on Figure 10
Hole, so that connecting column 16 passes through, fixed level.
In the application other embodiments, module four can be on cross-sectional view in the angular bisector and disk of four quadrants
It is the semicircle orifice of 5mm that the point of intersection at edge, which has 4 radiuses,.
Embodiment 2
The present embodiment provides a kind of nuclear magnetic resonance multimodes to detect die body, and primary structure is same as Example 1, something in common
It repeats no more.This embodiment differs from embodiment 1 in that:
Please further refer to Figure 11, each module array sequence and reality in the nuclear magnetic resonance multimode detection die body of the present embodiment
It is different to apply example 1, part of module concrete shape is slightly different.
Please further refer to Figure 12, square hole is not set in the support plate 23 in thickness test module 20 in this implementation.
Please further refer to Figure 13, resolution test module 40 middle line in space is to 42 positions and embodiment 1 in the present embodiment
Difference, horizontally arranged line are located at y-axis forward position to 42.44 size of isosceles right triangle through-hole is bigger than embodiment 1.
Please further refer to Figure 14, low resolution test module stereochemical structure is different from embodiment 1 in the present embodiment；Low point
Distinguish not set cylinder in power test module 50.Correspondingly position is arranged one with cylinder in embodiment 1 on low resolution test panel
A through-hole, through hole section shape are diagonally to remove the square of 1/4 area；One jiao of square is located at low resolution test panel
The diagonal line at the angle is crossed along y-axis negative sense in center；1/4 removed is the lower right corner in orientation shown in Figure 14.
Embodiment 3
The present embodiment provides a kind of nuclear magnetic resonance multimodes to detect die body, and primary structure is same as Example 1, something in common
It repeats no more.This embodiment differs from embodiment 1 in that:
In the present embodiment, only setup module one and module two, are not provided with module three and module four.
In the other embodiments of the application, optional two in four modules other combining forms can also be only set,
Such as module two and module three.
Embodiment 4
The present embodiment provides a kind of nuclear magnetic resonance multimodes to detect die body, and primary structure is same as Example 1, something in common
It repeats no more.This embodiment differs from embodiment 1 in that:
In the present embodiment, only setup module one, module two and module three, are not provided with module four.
In the other embodiments of the application, optional three in four modules other combining forms can also be only set,
Such as module two, module three and module four.
Embodiment 5
The present embodiment provides a kind of nuclear magnetic resonance multimodes to detect die body, and primary structure is same as Example 1, something in common
It repeats no more.This embodiment differs from embodiment 1 in that:
In the present embodiment, 4 modules are set, wherein 3 are above-mentioned module two, module three and module four, in addition 1 is
A pair of of wedge block is arranged in the thickness test module of other structures such as on disk.
It, can also be by module one in above-described embodiment 1 or embodiment 2 into module four in the other embodiments of the application
Any one or two replace with the test module of other same function, or replace with the test module of new function.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (10)
1. a kind of nuclear magnetic resonance multimode detects die body, which is characterized in that including shell and be connected to the intracorporal multiple modules of shell；
At least two selected from thickness test module, spatial linear test module, spatial resolution test module, low in multiple modules
Contrast resolution's test module；
The thickness test module includes support plate and the whole frame in rectangular-ambulatory-plane；The frame end face is connected to the support
On disk；The frame outer wall is equipped with skewback on four faces；4 pieces of skewbacks with the frame axis oblique, and press from both sides
Angle number is equal；
The spatial linear test module includes spatial linear test panel；Rectangular array is distributed on the spatial linear test panel
There are multiple rectangular array positions；Spatial linear test through-hole is provided on the rectangular array position of part；
The spatial resolution test module includes spatial resolution test panel；The spatial resolution test panel is equipped with multiple groups
Line to and multiple groups spatial resolution test through-hole；Spatial resolution described in every group tests through-hole with spatial resolution test
Disk center is the distribution of center of circle circular array, and distribution is greater than 150 °；
The low-contrast resolution test module includes low-contrast resolution test panel；It is on the low-contrast resolution test panel
Multiple annular array positions are distributed in annular array；The straight line of disk center is tested as boundary by the low-contrast resolution using one
Line, the annular array position of boundary line side are equipped with circular hole, vacant on the annular array position of the boundary line other side or set
There is cylinder；The circular hole depth is less than the low-contrast resolution and tests disc thickness；It is identical with annular array centre distance each
A circular hole depth is different；Each cylinder height identical with annular array centre distance is different.
2. nuclear magnetic resonance multimode according to claim 1 detects die body, which is characterized in that the support plate is equipped with side
Hole；The distance between described frame inner wall opposing sides is greater than the square hole size.
3. nuclear magnetic resonance multimode according to claim 1 detects die body, which is characterized in that the skewback is in cuboid
Plate, a seamed edge are arranged along the frame outer wall diagonal line.
4. nuclear magnetic resonance multimode according to claim 1 detects die body, which is characterized in that the not set spatial linear
The rectangular array position totally two of through-hole is tested, the extended line of line tests disk center by the spatial linear.
5. nuclear magnetic resonance multimode according to claim 1 detects die body, which is characterized in that the spatial resolution test
Isosceles right triangle through-hole is additionally provided on disk；One sharp-angled apex of the isosceles right triangle through-hole is located at the space
At resolution test disk center.
6. nuclear magnetic resonance multimode according to claim 1 detects die body, which is characterized in that the line is to total two rows, and two
The orientation for arranging the line pair is mutually perpendicular to.
7. nuclear magnetic resonance multimode according to claim 1 detects die body, which is characterized in that the spatial resolution test
Through-hole, circular hole, cylinder diameter increase with the increase of distance between center and the place annular array center of circle.
8. nuclear magnetic resonance multimode according to claim 1 detects die body, which is characterized in that symmetrical about the boundary line
The depth value of the circular hole is equal with the height value of the cylinder.
9. nuclear magnetic resonance multimode according to claim 1 detects die body, which is characterized in that the shell includes bottom surface
Plate, side plate and sealing cover；The side plate is cylindrical；The sealing cover and bottom panel are in disk form, are connected to described
Side plate upper and lower ends；Two screws are symmetrically arranged on the sealing cover；The screw lower end surface and the sealing cover lower end surface are flat
Together.
10. nuclear magnetic resonance multimode according to claim 9 detects die body, which is characterized in that be equipped with extremely in the shell
Few two connecting columns；The connecting column both ends are connected on the sealing cover and bottom panel；Each module is in described
Connecting column corresponding position is equipped with the through-hole passed through for the connecting column；On the connecting column circumferential surface in the adjacent module it
Between, between the module and sealing cover of the top, described in the lowermost casing is equipped between module and bottom panel with fixation
The module.
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