CN205900224U - A permanent magnet device for nuclear magnetic resonance probe - Google Patents
A permanent magnet device for nuclear magnetic resonance probe Download PDFInfo
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- CN205900224U CN205900224U CN201620624042.7U CN201620624042U CN205900224U CN 205900224 U CN205900224 U CN 205900224U CN 201620624042 U CN201620624042 U CN 201620624042U CN 205900224 U CN205900224 U CN 205900224U
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- permanent magnet
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- permanent magnets
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- permanent
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Abstract
The utility model relates to a nuclear magnetic resonance technical field especially relates to a permanent magnet device for nuclear magnetic resonance probe, including column permanent magnet and taper permanent magnet, the middle part of column permanent magnet is equipped with the cylindricality cavity, the middle part of taper permanent magnet is equipped with the toper cavity, and the bottom surface of taper permanent magnet is the same and big or small equal with the shape of the axial cross section of column permanent magnet, a terminal surface of column permanent magnet and the bottom surface coaxial coupling of taper permanent magnet to with cylindricality cavity and toper cavity intercommunication. The utility model discloses a structure is more reasonable, and even magnetic field area is showing and is improving the magnetic field utilization ratio to the center of the skew column permanent magnet of taper permanent magnet direction to the effectual magnet size that reduces alleviates magnet weight. Overcome the huge and heavy shortcoming of polar plate formula magnet, it is very little that the pencil shape permanent magnet magnetic leakage that the combination formed is connected to column permanent magnet and taper permanent magnet, and event magnetic energy high -usage has reduced ferromagnetic material's quantity, has improved the interior magnetic field degree of consistency of cavity simultaneously.
Description
Technical field
This utility model is related to nuclear magnetic resonance technique field, more particularly, to a kind of permanent magnet dress for nmr probe
Put.
Background technology
In recent years, have been obtained for constantly developing it is proposed that many important application sides in nuclear magnetic resonance equipment field
To, and constantly realizing.
The current measurement to test core sample, the method for employing is to first pass through field probing to obtain rock core, then by rock core
Take back and measuring environment is required measure in higher laboratory.The defect of this method is to be measured from acquiring of rock core
Required overlong time, so that income analysis result is explored and is opened it is impossible to be effectively applied to guide field because of its poor in timeliness
Send out.The physicochemical characteristicss therefore realizing quick obtaining rock core sample have the meaning of reality.Also due to same the reason, agricultural production
In-site measurement of product and food quality detection and chemical products etc., also needs portable nuclear magnetic resonance instrument.
Magnetostatic field generator (magnetic source) is the important component part of nuclear magnetic resonance apparatus (nmr).Build portable nmr dress
The matter of utmost importance put is not that magnetic field intensity is how high, but the suitable size of magnetic field intensity, the uniformity and whole equipment of needs,
Weight.Portable nuclear magnetic resonance instrument requires magnet can provide suitable magnetic field intensity and the uniformity, and as reduces whole as possible
The size of individual equipment and weight.
When currently carrying out Nuclear Magnetic Resonance Measurement, most of research technique is all to be surveyed sample loading test tube
Amount, therefore portable nuclear magnetic resonance instrument need a kind of magnetic field space utilization rate height, uniformity height, small volume, lightweight, leakage field
Less it is adaptable to the permanent-magnet that sample in test tube is measured.
Utility model content
(1) technical problem to be solved
The technical problems to be solved in the utility model be solve existing nuclear magnetic resonance apparatus permanent magnet cannot provide suitable
Magnetic field intensity, the uniformity, and the size of whole equipment and weight are larger, sample in test tube is measured and brings inconvenience
Problem.
(2) technical scheme
In order to solve above-mentioned technical problem, this utility model provides a kind of dress of the permanent magnet for nmr probe
Put, including pillar-shaped permanent magnet and taper permanent magnet, the middle part of described pillar-shaped permanent magnet is provided with cylindrical cavity, described taper permanent magnet
Middle part be provided with conical cavity, the bottom surface of described taper permanent magnet is identical with the shape of the axial cross section of described pillar-shaped permanent magnet
And equal in magnitude, the end face of described pillar-shaped permanent magnet is coaxially connected with the bottom surface of described taper permanent magnet, by described cylindricality
Cavity is connected with described conical cavity.
Wherein, the axial cross section of described pillar-shaped permanent magnet is positive n side shape, n=2m, m is the integer more than 2, described post
Shape permanent magnet is along the circumferential direction sequentially connected by n identical triangular prism permanent magnets and forms, described triangular prism permanent magnets transversal
Face is isosceles triangle；In the axial cross section of described pillar-shaped permanent magnet, a waist of each described isosceles triangle and with
The base coincident of its adjacent isosceles triangle, the side of the described triangular prism permanent magnets at another waist place constitutes described column
The side of permanent magnet.
Wherein, described taper permanent magnet is by n identical and with the one-to-one triangular pyramid of described triangular prism permanent magnets forever
Magnetic piece is along the circumferential direction sequentially connected composition, and the bottom surface of described triangular pyramid permanent magnets forms the bottom surface of described taper permanent magnet, and
The bottom surface of described triangular pyramid permanent magnets is identical with the shape of cross section of described triangular prism permanent magnets and equal-sized isosceles three
Angular；In the bottom surface of described taper permanent magnet, a waist of each described isosceles triangle and the isoceles triangle being adjacent
The base coincident of shape, the side of another described triangular pyramid permanent magnets in waist edge place constitutes the side of described taper permanent magnet.
Wherein, the end face of described pillar-shaped permanent magnet that the magnetic field intensity of bottom surface of described taper permanent magnet is connected with it
Magnitude of field intensity is equal.
Wherein, each described triangular prism permanent magnets and the described triangular prism permanent magnets being adjacent bond together.
Wherein, each described triangular pyramid permanent magnets and the described triangular pyramid permanent magnets being adjacent bond together.
Wherein, described pillar-shaped permanent magnet and described taper permanent magnet bond together.
Wherein, if the axis of described pillar-shaped permanent magnet is the z-axis of space coordinates, each described triangular prism permanent magnets
The direction of magnetization is the center of its cross section and the axial cross section of described pillar-shaped permanent magnet with the angle of the y-axis of space coordinates
The twice of the angle of the line at center and the y-axis of space coordinates.
Wherein, the magnetization of the direction of magnetization of each the described triangular pyramid permanent magnets described triangular prism permanent magnets corresponding with it
Direction is identical.
Wherein, described pillar-shaped permanent magnet and magnetic field on the axis direction of described pillar-shaped permanent magnet for the described taper permanent magnet
Direction is identical.
(3) beneficial effect
Technique scheme of the present utility model has the advantage that this utility model is used for the permanent magnetism of nmr probe
Body device provides a kind of pencil shape permanent magnet, and the bottom surface of the taper permanent magnet of this permanent magnet is superimposed upon one of pillar-shaped permanent magnet
On end face, it is internally provided with cylindrical cavity and connects the pencil shape cavity being formed, uniform magnetic field of the present utility model with conical cavity
Area deviates the center of pillar-shaped permanent magnet to taper permanent magnet direction, using with nmr apparatus measures test tube of the present utility model
In sample when, the shape of permanent magnet is similar to the shape of test tube, uniform magnetic field region pencil shape permanent magnet spatial location with
Locus in test tube for the test sample are consistent, and the structure of permanent magnet device is more reasonable, therefore significantly improve magnetic field
Space availability ratio, thus effectively reducing magnet size, mitigates magnet weight.Meanwhile, constitute closed-loop path without ferromagnetic material
And improve uniformity of magnetic field in hollow cavity, overcome that polar-plate-type magnet is huge and heavy, be unfavorable for the shortcoming carrying,
Greatly reduce the consumption of ferromagnetic material, magnetic field space utilization rate is high, and pencil shape permanent magnet of the present utility model is in column forever
The circumference of magnet, and the outside leakage field very little of taper permanent magnet, therefore magnetic energy utilization rate is high, obtains needed for same magnetic field intensity
Permanent magnet material few.Be applied to the detection to sample test tube for the portable nuclear magnetic resonance instrument.
Except this utility model described above solve technical problem, constitute technical scheme technical characteristic and
Outside the technical characteristic having the advantages that these technical schemes is brought, other technical characteristics of the present utility model and these technology are special
Levy the advantage brought, accompanying drawing will be combined and further illustrate.
Brief description
Fig. 1 is the structural representation of the permanent magnet device that this utility model embodiment is used for nmr probe；
Fig. 2 is that the structure of the pillar-shaped permanent magnet of permanent magnet device that this utility model embodiment is used for nmr probe is shown
It is intended to；
Fig. 3 is that the structure of the taper permanent magnet of permanent magnet device that this utility model embodiment is used for nmr probe is shown
It is intended to；
Fig. 4 is that the axial direction of the pillar-shaped permanent magnet of permanent magnet device that this utility model embodiment is used for nmr probe is cut
Face figure；
Fig. 5 is the vertical view of the taper permanent magnet of permanent magnet device that this utility model embodiment is used for nmr probe
Figure.
In figure: 10: pillar-shaped permanent magnet；20: taper permanent magnet；30: cylindrical cavity；40: conical cavity；101: triangular prism is forever
Magnetic piece；201: triangular pyramid permanent magnets.
Specific embodiment
Purpose, technical scheme and advantage for making this utility model embodiment are clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described it is clear that being retouched to the technical scheme in this utility model embodiment
The embodiment stated is a part of embodiment of the present utility model, rather than whole embodiments.Based on the reality in this utility model
Apply example, the every other embodiment that those of ordinary skill in the art are obtained on the premise of not making creative work, all
Belong to the scope of this utility model protection.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly
Connect；Can be to be mechanically connected or electrically connect；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning in this utility model for the language.
Additionally, in description of the present utility model, unless otherwise stated, " multiple ", " many ", " multigroup " are meant that two
Individual or two or more, " several ", " some ", " some groups " are meant that one or more.
As shown in figure 1, the permanent magnet device for nmr probe that this utility model embodiment provides, including column
Permanent magnet 10 and taper permanent magnet 20, the middle part of pillar-shaped permanent magnet 10 is provided with cylindrical cavity 30, and the axial direction of cylindrical cavity 30 is transversal
Face is identical with the shape of the axial cross section of pillar-shaped permanent magnet 10；The middle part of taper permanent magnet 20 is provided with conical cavity 40, taper
The bottom surface of permanent magnet 20 is identical with the shape of the axial cross section of pillar-shaped permanent magnet 10 and equal in magnitude, and conical cavity 40 is in taper
Section at the bottom surface of permanent magnet 20 is identical with the shape of the axial cross section of cylindrical cavity 30 and equal in magnitude；Pillar-shaped permanent magnet
10 end face is coaxially connected with the bottom surface of taper permanent magnet 20, and cylindrical cavity 30 is connected with conical cavity 40.
The permanent magnet device that this utility model is used for nmr probe provides a kind of pencil shape permanent magnet, this permanent magnet
The bottom surface of taper permanent magnet be superimposed upon on an end face of pillar-shaped permanent magnet, be internally provided with cylindrical cavity with conical cavity even
The logical pencil shape cavity being formed, uniform magnetic field region of the present utility model is deviateed in pillar-shaped permanent magnet to taper permanent magnet direction
The heart, when using sample in nmr apparatus measures test tube of the present utility model, the shape of permanent magnet is similar to the shape of test tube,
In pencil shape permanent magnet spatial location, the locus in test tube are consistent with test sample for uniform magnetic field region, and permanent magnet fills
The structure put is more reasonable, therefore significantly improves magnetic field space utilization rate, thus effectively reducing magnet size, mitigates magnet
Weight.Meanwhile, constitute closed-loop path without ferromagnetic material and improve uniformity of magnetic field in hollow cavity, overcome pole plate
Formula magnet is huge and heavy, is unfavorable for the shortcoming carrying, and greatly reduces the consumption of ferromagnetic material, magnetic field space utilization rate
Height, pencil shape permanent magnet of the present utility model is in the circumference of pillar-shaped permanent magnet, and the outside leakage field very little of taper permanent magnet, therefore
Magnetic energy utilization rate is high, obtains the same permanent magnet material needed for magnetic field intensity few.It is applied to portable nuclear magnetic resonance instrument to examination
The detection of sample in pipe.
Wherein, as shown in Figure 2 and Figure 4, the axial cross section of pillar-shaped permanent magnet 10 is positive n side shape, n=2m, m is more than 2
Integer, pillar-shaped permanent magnet 10 is along the circumferential direction sequentially connected by n identical triangular prism permanent magnets 101 and forms, and triangular prism is forever
The cross section of magnetic piece 101 is isosceles triangle；In the axial cross section of pillar-shaped permanent magnet 10, one of each isosceles triangle
Waist and the base coincident of the isosceles triangle being adjacent, the side of the triangular prism permanent magnets 101 at another waist place constitutes post
The side of shape permanent magnet 10.Wherein, the triangular prism permanent magnets 101 that each triangular prism permanent magnets 101 is adjacent bond together.
Pillar-shaped permanent magnet is designed as the form of regular N-prism, and the pillar-shaped permanent magnet of hollow is according to the axial cross section of its positive n side shape circumferentially
The n cross section that direction is divided into is the triangular prism permanent magnets of isosceles triangle, when being easy to actual production manufacture processing with using
Installing/dismounting, and two adjacent isosceles triangle position relationships are waist and another one of one of isosceles triangle etc.
The base coincident of lumbar triangle shape, the waist of isosceles triangle with the angle on base isN is permanent magnet device along the circumferential direction decile
Block number.As shown in Fig. 2 the pillar-shaped permanent magnet of the hollow of the present embodiment by equal in magnitude, 8 pieces of cross sections of shape identical is etc.
Triangular prism permanent magnets 1,2,3,4,5,6,7 and 8 composition of lumbar triangle shape, consists of the column of a hollow seccotine adhesion
Body, is uniform magnetic field in the cavity of hollow column, and in Fig. 2, solid arrow show the direction of magnetization of each triangular prism permanent magnets,
Hollow arrow is magnetic direction in pillar-shaped permanent magnet.
Wherein, as shown in Figure 3 and Figure 5, taper permanent magnet 20 by n identical and with a pair of triangular prism permanent magnets 101 1
The triangular pyramid permanent magnets 201 answered along the circumferential direction are sequentially connected composition, the bottom surface composition taper permanent magnet of triangular pyramid permanent magnets 201
20 bottom surface, and the bottom surface of triangular pyramid permanent magnets 201 is identical with the shape of cross section of triangular prism permanent magnets 101 and equal in magnitude
Isosceles triangle；In the bottom surface of taper permanent magnet 20, a waist of each isosceles triangle and the isosceles three being adjacent
Angular base coincident, the side of another waist edge place triangular pyramid permanent magnets 201 constitutes the side of taper permanent magnet 20.Its
In, the triangular pyramid permanent magnets 201 that each triangular pyramid permanent magnets 201 is adjacent bond together.Wherein, pillar-shaped permanent magnet 10 with
Taper permanent magnet 20 bonds together.The taper permanent magnet of hollow is along the circumferential direction divided into n according to the end face of its positive n side shape
Bottom surface is the triangular pyramid permanent magnets of isosceles triangle, and two adjacent isosceles triangle position relationships are one of isosceles three
Angular waist and the base coincident of another one isosceles triangle, the waist of isosceles triangle with the angle on base isN is forever
The block number of magnet apparatus along the circumferential direction decile.As shown in figure 3, the taper permanent magnet of hollow is by equal in magnitude, shape identical 8
Block bottom surface is triangular pyramid permanent magnets 1', 2' of isosceles triangle, 3', 4', 5', 6', 7' and 8' composition, by seccotine adhesion structure
Become the cone of a hollow, and correspond to triangular prism permanent magnets 1,2,3,4,5,6,7 and 8 respectively and pass through seccotine adhesion, in Fig. 3
Solid arrow show the direction of magnetization of each triangular pyramid permanent magnets, and hollow arrow is magnetic direction in taper permanent magnetism body.
The bottom surface of the taper permanent magnet of the axial cross section of the pillar-shaped permanent magnet of hollow of the present utility model and hollow is
The positive n side shape of hollow, the length of side is to be divided into the waist of isosceles triangle cross section after triangular prism and triangular pyramid permanent magnets respectively.This reality
Improve the transverse magnetic field uniformity on cross section with new by increasing circumferential permanent magnetism block number.Column and two kinds of permanent magnets of taper
Magnetic field interaction, in the hollow cavity of pencil shape magnet, each magnetic-field component obtains and effectively compensates.Thus improving axial direction
The uniformity of upper transverse magnetic field, relatively reduces the volume of magnet, alleviates the weight of instrument.This utility model isosceles triangle
The triangular prism permanent magnets of cross section and the setting of triangular pyramid permanent magnets, make composition column and pyramidal circumferentially-adjacent magnetic piece it
Between there is not the behavior that the apparent same sex is repelled each other, improve the utilization rate of permanent magnet material, reduce processing cost, also therefore make peace
Fill convenient and swift.
Wherein, the magnetic field of the end face of pillar-shaped permanent magnet 10 that the magnetic field intensity of the bottom surface of taper permanent magnet 20 is connected with it
Intensity is equal in magnitude.Wherein, if the axis of pillar-shaped permanent magnet 10 is the z-axis of space coordinates, each triangular prism permanent magnets 101
The y-axis of the direction of magnetization and space coordinates angle be its cross section the axial cross section with pillar-shaped permanent magnet 10 for the center
The twice of the angle of the line at center and the y-axis of space coordinates.Wherein, the direction of magnetization of each triangular pyramid permanent magnets 201 with
The direction of magnetization of its corresponding triangular prism permanent magnets 101 is identical.Each triangular prism permanent magnets of the pillar-shaped permanent magnet of composition hollow
Shape is identical, magnitude of field intensity is equal, and the block-shaped identical, magnetic field of each triangular pyramid permanent magnetism of the taper permanent magnet of composition hollow is strong
Degree is equal in magnitude, and the magnitude of field intensity of triangular prism permanent magnets that the magnetic field intensity of each triangular pyramid permanent magnets is connected with it
Equal, the magnitude of field intensity of the end face of the pillar-shaped permanent magnet being connected by bottom surface and its of this taper permanent magnet is equal, each
Magnetic field distribution in triangular pyramid permanent magnets is uniform, so the taper of the taper permanent magnet of n triangular pyramid permanent magnets composition is empty
The magnetic field intensity in chamber is become larger to top by bottom surface.The magnitude of field intensity of each triangular prism permanent magnets is identical, appoints and takes wherein one
Individual numbering is 1, is followed successively by each triangular prism permanent magnetism block number clockwise, and y-axis is taken at first piece with last block triangular prism forever
The centre position of magnetic piece abutting edge, x-axis is vertical with y-axis.The axis of pillar-shaped permanent magnet as space coordinates z-axis perpendicular to x
The plane that axle is located with y-axis.If in the axial cross section of the cross-section center of i-th piece of triangular prism permanent magnets and pillar-shaped permanent magnet
The line of the heart and y-axis angle are defined as magnetic piece direction of rotation θi,Then i-th piece of magnet
The direction of magnetization and y-axis angleIf in general, permanent magnet is divided into n block (n
=2m, m is the integer more than 2) and permanent magnets, and the direction of rotation of permanent magnets isThen
The direction of magnetization of i-th permanent magnets and y-axis angleI.e. ωi=2 θi, the direction of magnetization of permanent magnets is magnet basis
The twice of body direction of rotation.
If the direction of magnetization of every bit can rotate 2 times of direction consecutive variations, reason by given permanent magnet itself in permanent magnet
Inhomogeneities by magnetic field space in upper whole hollow columnar body are zero, the method therefore adopting magnet piecemeal.Magnet decile
Block number is more, closer to ideal state.
Wherein, as shown in figure 1, pillar-shaped permanent magnet 10 and taper permanent magnet 20 are on the axis direction of pillar-shaped permanent magnet 10
Magnetic direction is identical.The taper permanent magnet of hollow of the present utility model is just in the outside closing column of the pillar-shaped permanent magnet of hollow
The end of permanent magnet, taper permanent magnet is consistent with the magnetic direction on pillar-shaped permanent magnet axis in cylindrical cavity, in order to compensate
The transverse magnetic field of pillar-shaped permanent magnet end.
In sum, this utility model provides a kind of pencil shape permanent magnetism for the permanent magnet device of nmr probe
Body, the bottom surface of the taper permanent magnet of this permanent magnet is superimposed upon on an end face of pillar-shaped permanent magnet, is internally provided with cylindrical cavity
Connect the pencil shape cavity being formed with conical cavity, column is deviateed to taper permanent magnet direction in uniform magnetic field region of the present utility model
The center of permanent magnet, when using sample in nmr apparatus measures test tube of the present utility model, the shape of permanent magnet and test tube
Shape is similar, and in pencil shape permanent magnet spatial location, the locus in test tube are consistent with test sample for uniform magnetic field region
Close, the structure of permanent magnet device is more reasonable, therefore significantly improves magnetic field space utilization rate, thus effectively reducing magnet chi
Very little, mitigate magnet weight.Meanwhile, constitute closed-loop path without ferromagnetic material and improve the field homogeneity in hollow cavity
Degree, overcomes that polar-plate-type magnet is huge and heavy, is unfavorable for the shortcoming carrying, greatly reduces the consumption of ferromagnetic material, magnetic
Space availability ratio is high, and pencil shape permanent magnet of the present utility model is in the circumference of pillar-shaped permanent magnet, and taper permanent magnet is outer
Side leakage magnetic very little, therefore magnetic energy utilization rate is high, obtains the same permanent magnet material needed for magnetic field intensity few.It is applied to portable nuclear-magnetism
The detection to sample in test tube for the resonance instrument.
Finally it is noted that above example, only in order to the technical solution of the utility model to be described, is not intended to limit；
Although being described in detail to this utility model with reference to the foregoing embodiments, it will be understood by those within the art that:
It still can be modified to the technical scheme described in foregoing embodiments, or wherein some technical characteristics are carried out etc.
With replacement；And these modifications or replacement, do not make the essence of appropriate technical solution depart from this utility model each embodiment technology
The spirit and scope of scheme.
Claims (10)
1. a kind of permanent magnet device for nmr probe it is characterised in that: include pillar-shaped permanent magnet and taper permanent magnet,
The middle part of described pillar-shaped permanent magnet is provided with cylindrical cavity, and the middle part of described taper permanent magnet is provided with conical cavity, and described taper is forever
The bottom surface of magnet is identical with the shape of the axial cross section of described pillar-shaped permanent magnet and equal in magnitude, and the one of described pillar-shaped permanent magnet
End face is coaxially connected with the bottom surface of described taper permanent magnet, and described cylindrical cavity is connected with described conical cavity.
2. the permanent magnet device for nmr probe according to claim 1 it is characterised in that: described column permanent magnetism
The axial cross section of body is positive n side shape, n=2m, m is the integer more than 2, and described pillar-shaped permanent magnet is by n identical triangular prism
Permanent magnets are along the circumferential direction sequentially connected composition, and the cross section of described triangular prism permanent magnets is isosceles triangle；In described column
In the axial cross section of permanent magnet, the base weight of a waist of each described isosceles triangle and the isosceles triangle being adjacent
Close, the side of the described triangular prism permanent magnets at another waist place constitutes the side of described pillar-shaped permanent magnet.
3. the permanent magnet device for nmr probe according to claim 2 it is characterised in that: described taper permanent magnetism
By n identical and one-to-one triangular pyramid permanent magnets are along the circumferential direction sequentially connected group to body with described triangular prism permanent magnets
Become, the bottom surface of described triangular pyramid permanent magnets forms the bottom surface of described taper permanent magnet, and the bottom surface of described triangular pyramid permanent magnets is
Identical with the shape of cross section of described triangular prism permanent magnets and equal-sized isosceles triangle；Bottom in described taper permanent magnet
In face, the base coincident of a waist of each described isosceles triangle and the isosceles triangle being adjacent, another waist edge institute
Constitute the side of described taper permanent magnet in the side of described triangular pyramid permanent magnets.
4. the permanent magnet device for nmr probe according to claim 1 it is characterised in that: described taper permanent magnetism
The magnetic field intensity of the bottom surface of body is equal with the magnitude of field intensity of the end face of the described pillar-shaped permanent magnet that it is connected.
5. the permanent magnet device for nmr probe according to claim 2 it is characterised in that: each described Rhizoma Sparganii
Post permanent magnets and the described triangular prism permanent magnets being adjacent bond together.
6. the permanent magnet device for nmr probe according to claim 3 it is characterised in that: each described Rhizoma Sparganii
Cone permanent magnets and the described triangular pyramid permanent magnets being adjacent bond together.
7. the permanent magnet device for nmr probe according to claim 1 it is characterised in that: described column permanent magnetism
Body is bonded together with described taper permanent magnet.
8. the permanent magnet device for nmr probe according to claim 2 it is characterised in that: if described column is forever
The axis of magnet is the z-axis of space coordinates, then the y-axis of the direction of magnetization of each described triangular prism permanent magnets and space coordinates
Angle be its cross section the y with space coordinates for the line at the center of axial cross section of center and described pillar-shaped permanent magnet
The twice of the angle of axle.
9. the permanent magnet device for nmr probe according to claim 8 it is characterised in that: each described Rhizoma Sparganii
The direction of magnetization of cone permanent magnets is identical with the direction of magnetization of its corresponding described triangular prism permanent magnets.
10. the permanent magnet device for nmr probe according to claim 1-9 any one it is characterised in that:
The magnetic direction on the axis direction of described pillar-shaped permanent magnet is identical with described taper permanent magnet for described pillar-shaped permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620624042.7U CN205900224U (en) | 2016-06-22 | 2016-06-22 | A permanent magnet device for nuclear magnetic resonance probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620624042.7U CN205900224U (en) | 2016-06-22 | 2016-06-22 | A permanent magnet device for nuclear magnetic resonance probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205900224U true CN205900224U (en) | 2017-01-18 |
Family
ID=57769765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620624042.7U Withdrawn - After Issue CN205900224U (en) | 2016-06-22 | 2016-06-22 | A permanent magnet device for nuclear magnetic resonance probe |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957686A (en) * | 2016-06-22 | 2016-09-21 | 北京工业大学 | Permanent magnet device used for nuclear magnetic resonance probe |
-
2016
- 2016-06-22 CN CN201620624042.7U patent/CN205900224U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957686A (en) * | 2016-06-22 | 2016-09-21 | 北京工业大学 | Permanent magnet device used for nuclear magnetic resonance probe |
| CN105957686B (en) * | 2016-06-22 | 2017-10-27 | 北京工业大学 | A kind of permanent magnet device for nmr probe |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170118 Effective date of abandoning: 20171027 |