CN107655919B - Positioning structure for multiple collimators of X-ray fluorescence spectrometer - Google Patents
Positioning structure for multiple collimators of X-ray fluorescence spectrometer Download PDFInfo
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- CN107655919B CN107655919B CN201710812520.6A CN201710812520A CN107655919B CN 107655919 B CN107655919 B CN 107655919B CN 201710812520 A CN201710812520 A CN 201710812520A CN 107655919 B CN107655919 B CN 107655919B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/223—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/07—Investigating materials by wave or particle radiation secondary emission
- G01N2223/076—X-ray fluorescence
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/30—Accessories, mechanical or electrical features
- G01N2223/316—Accessories, mechanical or electrical features collimators
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Abstract
The invention discloses a positioning structure for multiple collimators of an X-ray fluorescence spectrometer, which comprises: the collimator comprises a fixing part with a through hole, a cylinder body which is rotatably arranged in the through hole, is concentric with the fixing part and is internally provided with a plurality of collimators, a fixed positioning part arranged on a flange of the fixing part and a rotary positioning part which is arranged on the outer surface of the cylinder body and corresponds to the fixed positioning part; the fixed positioning part comprises a fixed positioning support arranged on a fixed part flange, an elastic structure arranged on the fixed positioning support and a positioning structure arranged at the top end of the elastic structure; the rotary positioning component comprises a tail section, a head structure and a fastener, wherein the tail section is arranged on the barrel body and is provided with a through hole, the head structure is connected with the tail section and extends out of the through hole of the positioning component, and is precisely matched with the positioning structure, and the fastener is connected with the other end of the tail section.
Description
Technical Field
The invention belongs to the field of X-ray fluorescence spectrometers, and particularly relates to a positioning structure of a multi-collimator.
Background
An X-ray or other photon source excites atoms in the substance to be measured, causing it to fluoresce (secondary X-rays). Thereby performing an analysis of the composition of matter. X-ray fluorescence spectrometers, also known as XRF spectrometers, are both dispersive and non-dispersive. The dispersion type is classified into a wavelength dispersion type and an energy dispersion type. The wavelength dispersion type XRF spectrometer comprises an X-ray tube excitation source, a light splitting system, a detector system, a vacuum system, an airflow system and the like. According to different focusing geometrical conditions of the analysis crystal, the analysis crystal is divided into a non-focusing reflection flat crystal type, a semi-focusing reflection curved crystal type, a full-focusing reflection curved crystal type, a semi-focusing transmission curved crystal type and the like. The principle is that after a sample is irradiated by X-rays, the electrons of the atomic inner shell layer of the element are excited, shell layer electrons jump and emit characteristic X-rays of the element, and the proportional relation between the intensity and the concentration of the wavelength (energy) of the characteristic X-rays of the element is measured by a detector, so that quantitative analysis can be performed, the quantitative analysis method has the advantages of no damage to the sample, high analysis speed, suitability for measuring all chemical elements with the atomic number of more than 4, high analysis precision and simple sample preparation; at present, no commercial sequential wavelength dispersion X-ray fluorescence spectrometer is available in China, so that corresponding equipment is still in a blank stage, further research and development of the equipment are needed, multiple collimators are needed for more effectively measuring multiple substance components, the requirement on position accuracy cannot be avoided due to the structure of the multiple collimators, and the positioning structure which can meet the requirement on position accuracy and is simple in structure is needed.
Disclosure of Invention
In view of the above, there is a need to overcome at least one of the above-mentioned deficiencies in the prior art. The invention provides a positioning structure for multiple collimators of an X-ray fluorescence spectrometer, which comprises: the collimator mounting device comprises a fixing part with a through hole, a cylinder body which is rotatably arranged in the through hole, is concentric with the fixing part and is internally provided with a plurality of collimators, a fixed positioning part arranged on a flange of the fixing part, and a rotary positioning part which is arranged on the outer surface of the cylinder body and corresponds to the fixed positioning part; the fixed positioning part comprises a fixed positioning support arranged on the fixed part flange, an elastic structure arranged on the fixed positioning support and a positioning structure arranged at the top end of the elastic structure; the rotary positioning component comprises a tail section arranged on the barrel body and provided with a through hole for the positioning component, a head structure which is connected with the tail section and extends out of the through hole for the positioning component and is precisely matched with the positioning structure, and a fastener connected with the other end of the tail section.
According to the prior art in the patent background art, a commercial sequential wavelength dispersion X-ray fluorescence spectrometer does not exist in China, so that corresponding equipment is still in a blank stage, further research and development of the equipment are needed, and a plurality of collimators are needed for more effectively measuring various substance components, the structure of the collimators inevitably has high requirement on position accuracy, so that a positioning structure which can meet the position accuracy and is simple in structure is needed, and the prior art lacks a convenient positioning structure of the multi-collimator structure; the positioning structure for the multiple collimators of the X-ray fluorescence spectrometer adopts the matching of the fixed positioning part fixed on the fixed part and the rotating positioning part arranged on the cylinder body rotatably arranged with the fixed part, and simultaneously, the rotating positioning can be adjusted and locked through the installation of the fastener, thereby avoiding the requirement of higher processing precision and simultaneously meeting the requirement of the position precision of the multiple collimators.
In addition, the positioning structure for the multi-collimator disclosed by the invention also has the following additional technical characteristics:
further, the tail section is provided with an external thread which is matched with an internal thread in the through hole of the positioning component.
The position can be accurately adjusted by the external thread of the tail section and the internal thread in the through hole of the positioning part.
Further, the tail section of the rotating positioning component is provided with an external thread and penetrates through the through hole of the positioning component, and the fastening component comprises two fastening components which are locked with each other.
Optionally, the number of fasteners is two, including a first fastener and a second fastener, both of which mate with the external threads of the tail section;
optionally, the first fastener is engaged with an external thread of the tail section, the end of the tail section has an internally threaded bore, and the second fastener is engaged with the internally threaded bore.
Furthermore, the elastic structure is a flat elastic sheet, and the end part of the flat elastic sheet is provided with the positioning structure.
Further, the positioning structure includes a shaft mounted on an end of the elastic structure and a column-shaped rotating member mounted on the shaft.
Preferably, the positioning structure comprises a shaft mounted at an end of the elastic structure and a cylindrical rotating member mounted on the shaft, and the head structure is a cylindrical structure having a groove for fitting the cylindrical rotating member.
The cylindrical rotating part is adopted to reduce the abrasion and the resistance compared with other non-rotating parts, and meanwhile, the phenomenon that the non-rotating parts are easy to break down can be avoided.
Further, the groove is provided with slopes on both sides.
Preferably, the slope angle is 30 degrees or more and 80 degrees or less.
The angular range here may be such that the fixed positioning part can be disengaged or locked from the rotating positioning part without requiring too much force.
Furthermore, the fixed positioning component and the rotary positioning component are matched one by one, and are uniformly distributed and arranged on the fixed component and the cylinder body.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic perspective view of an embodiment having a stationary component and a barrel according to the present invention;
FIG. 2 is a schematic perspective view of an embodiment of a hidden stationary component and cartridge according to the present invention;
FIG. 3 is a schematic view of a fixed positioning component according to an embodiment of the invention;
FIG. 4 is a schematic view of a stationary locating member having an internally threaded bore at the end of a tail section and a fastener according to an embodiment of the present invention;
FIG. 5 is a schematic view of a fixed positioning component having two fasteners according to an embodiment of the invention;
FIG. 6 is a schematic view of a cartridge according to an embodiment of the invention;
in the figure, 1 a fixing part, 2 a cylinder, 21 a positioning part through hole, 3 a fixing positioning part, 31 a fixing positioning support, 32 an elastic structure, 33 a column-shaped rotating part, 34 a shaft, 4 a rotating positioning part, 41 a head structure, 42 a groove, 43 a tail section, 44 a fastening part, 441 a first fastening part and 442 a second fastening part.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "lateral", "vertical", "inner", "outer", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "coupled," "communicating," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly connected, integrally connected, or detachably connected; may be communication within two elements; can be directly connected or indirectly connected through an intermediate medium; "mating" may be a surface-to-surface mating, a point-to-surface or line-to-surface mating, and also includes a hole axis mating, and it is obvious to those skilled in the art that the above terms have specific meanings in the present invention.
The invention adopts the following conception that the fixed positioning part 3 fixed on the fixed part 1 is matched with the rotary positioning part 4 arranged on the cylinder body 2 rotatably arranged with the fixed part 1, and the rotary positioning can be adjusted and locked by arranging the fastening piece 44, thereby avoiding the requirement of higher processing precision and simultaneously meeting the requirement of the position precision of the multi-collimator structure.
The aligning apparatus of the present invention will be described with reference to the accompanying drawings, in which fig. 1 is a perspective view of an embodiment having a fixing member and a cylinder according to the present invention; FIG. 2 is a schematic perspective view of an embodiment of a hidden stationary component and cartridge according to the present invention; FIG. 3 is a schematic view of a fixed positioning component according to an embodiment of the invention; FIG. 4 is a schematic view of a stationary locating member having an internally threaded bore at the end of a tail section and a fastener according to an embodiment of the present invention; FIG. 5 is a schematic view of a fixed positioning component having two fasteners according to an embodiment of the invention; fig. 6 is a schematic view of a cartridge according to an embodiment of the present invention.
According to the embodiment of the invention, as shown in fig. 1 and 2, the positioning structure for multiple collimators disclosed by the invention comprises a fixing part 1 with a through hole, a cylinder 2 which is rotatably installed in the through hole and is concentric with the fixing part 1 and is internally provided with a plurality of collimators, a fixed positioning part 3 installed on a flange of the fixing part 1, and a rotary positioning part 4 installed on the outer surface of the cylinder 2 and corresponding to the fixed positioning part 3; the fixed positioning part 3 comprises a fixed positioning support 31 arranged on a flange of the fixed part 1, an elastic structure 32 arranged on the fixed positioning support 31 and a positioning structure arranged at the top end of the elastic structure 32; the rotary positioning component 4 comprises a tail section 43 arranged on the barrel body 2 and used for positioning the component through hole 21, a head structure 41 which is connected with the tail section 43, extends out of the positioning component through hole 21 and is precisely matched with the positioning structure, and a fastener 44 connected with the other end of the tail section 43.
In addition, the positioning structure for the multi-collimator disclosed by the invention also has the following additional technical characteristics:
according to some embodiments of the invention, the tail section 43 has an external thread that mates with an internal thread in the positioning member through bore 21.
The position can be precisely adjusted by means of the external thread of the end section 43 and the internal thread in the through-opening 21 of the positioning element.
According to some embodiments of the present invention, the tail section 43 of the rotating positioning member 4 is externally threaded and passes through the positioning member through hole 21, and the fastening member 44 comprises two fastening members 44 locked to each other.
Optionally, two fasteners 44 are provided, including a first fastener 441 and a second fastener 442, both of which fasteners 441 and 442 are mated with the external threads of the tail section 43;
optionally, the first fastener 441 is engaged with the external thread of the tail section 43, the end of the tail section 43 has an internally threaded hole, and the second fastener 442 is engaged with the internally threaded hole.
According to an embodiment of the present invention, the elastic structure 32 is a flat spring, and the end of the flat spring is mounted with the positioning structure.
According to one embodiment of the invention, the positioning structure comprises a shaft 34 mounted on the end of the elastic structure 32 and a cylindrical rotating member 33 mounted on the shaft 34.
Preferably, the positioning structure comprises a shaft 34 mounted at an end of the elastic structure 32 and a cylindrical rotating member 33 mounted on the shaft 34, and the head structure 41 is a cylindrical structure having a groove 42 engaged with the cylindrical rotating member 33.
The use of the cylindrical rotating member 33 reduces wear and resistance more than other non-rotating members, and avoids the problem of failure of the non-rotating members.
Further, the groove 42 is sloped on both sides.
Preferably, the slope angle is 30 degrees or more and 80 degrees or less.
The angular range here may be such that the fixed positioning element 3 can be disengaged or latched from the rotating positioning element 4 without requiring too much force.
According to some embodiments of the present invention, the fixed positioning component 3 and the rotating positioning component 4 are multiple and are matched one by one, and are uniformly distributed and installed on the fixed component 1 and the cylinder 2.
Any reference to "one embodiment," "an embodiment," "example embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the invention. This schematic representation in various places throughout this specification does not necessarily refer to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the purview of one skilled in the art to effect such feature, structure, or characteristic in connection with other ones of the embodiments.
While specific embodiments of the invention have been described in detail with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. In particular, reasonable variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the foregoing disclosure, the drawings and the appended claims without departing from the spirit of the invention. Except variations and modifications in the component parts and/or arrangements, the scope of which is defined by the appended claims and equivalents thereof.
Claims (10)
1. A positioning structure for multiple collimators of an X-ray fluorescence spectrometer, comprising a fixing part having a through hole, characterized by comprising: the collimator fixing device comprises a cylinder, a fixed positioning component and a rotary positioning component, wherein the cylinder is rotatably arranged in the through hole, is concentric with the fixed component and is internally provided with a plurality of collimators, the fixed positioning component is arranged on a flange of the fixed component, and the rotary positioning component is arranged on the outer surface of the cylinder and corresponds to the fixed positioning component; the fixed positioning part comprises a fixed positioning support arranged on the fixed part flange, an elastic structure arranged on the fixed positioning support and a positioning structure arranged at the top end of the elastic structure; the rotary positioning component comprises a tail section arranged on the barrel body and provided with a through hole for the positioning component, a head structure which is connected with the tail section and extends out of the through hole for the positioning component and is precisely matched with the positioning structure, and a fastener connected with the other end of the tail section.
2. The positioning structure for multiple collimators of an X-ray fluorescence spectrometer according to claim 1, wherein said tail section has external threads for mating with internal threads in the through hole of said positioning member.
3. The positioning structure for multiple collimators of an X-ray fluorescence spectrometer according to claim 1, wherein the tail section of the rotary positioning member has an external thread and passes through the through hole of the positioning member, and the fastening member comprises two fastening members locked to each other.
4. The positioning structure for multiple collimators of an X-ray fluorescence spectrometer according to claim 3, wherein said fasteners are two, comprising a first fastener and a second fastener, both of which mate with the external thread of said tail section;
or
The first fastener with the external screw thread cooperation of tail section, the tip of tail section has the internal thread hole, the second fastener with the internal thread hole cooperation.
5. The positioning structure for multiple collimators of an X-ray fluorescence spectrometer according to claim 1, wherein the elastic structure is a flat spring, and the positioning structure is mounted at an end of the flat spring.
6. The positioning structure for multiple collimators of an X-ray fluorescence spectrometer according to claim 1 or claim 5, wherein said positioning structure comprises a shaft mounted on an end of said elastic structure and a cylindrical rotating member mounted on said shaft.
7. The positioning structure for multiple collimators of an X-ray fluorescence spectrometer according to claim 1, wherein said positioning structure comprises a shaft mounted at the end of said elastic structure and a cylindrical rotating member mounted on said shaft, said head structure being a cylindrical structure having a groove cooperating with said cylindrical rotating member.
8. The positioning structure for multiple collimators of an X-ray fluorescence spectrometer according to claim 7, wherein both sides of said slot are slopes with slopes.
9. The positioning structure for multiple collimators of an X-ray fluorescence spectrometer according to claim 8, wherein the angle of the inclined plane having a slope is 30 degrees or more and 80 degrees or less.
10. The positioning structure for multiple collimators of an X-ray fluorescence spectrometer according to claim 1, wherein the fixed positioning members and the rotating positioning members are multiple and matched one by one, and are uniformly distributed and mounted on the fixed members and the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710812520.6A CN107655919B (en) | 2017-09-11 | 2017-09-11 | Positioning structure for multiple collimators of X-ray fluorescence spectrometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710812520.6A CN107655919B (en) | 2017-09-11 | 2017-09-11 | Positioning structure for multiple collimators of X-ray fluorescence spectrometer |
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| CN107655919A CN107655919A (en) | 2018-02-02 |
| CN107655919B true CN107655919B (en) | 2020-04-03 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57172205A (en) * | 1981-04-16 | 1982-10-23 | Seiko Instr & Electronics Ltd | Head device for measuring plating thickness by x rays |
| JPS60127405A (en) * | 1983-12-13 | 1985-07-08 | Seiko Instr & Electronics Ltd | Fluorescent-x-ray film-thickness gage |
| CN201339878Y (en) * | 2009-01-20 | 2009-11-04 | 江苏天瑞仪器股份有限公司 | Light filter and collimator combined switching unit |
| CN201387734Y (en) * | 2009-04-02 | 2010-01-20 | 深圳市华唯计量技术开发有限公司 | Optical filter device of X-ray fluorescence spectrometer |
| CN201600339U (en) * | 2010-01-20 | 2010-10-06 | 纳优科技（北京）有限公司 | Filtering collimator combined device of X-ray fluorescence spectrometer |
| CN201622253U (en) * | 2010-01-15 | 2010-11-03 | 纳优科技（北京）有限公司 | Wheel disc type light-filtering collimating device of X-ray fluorescence spectrometer |
| CN103385732A (en) * | 2013-07-25 | 2013-11-13 | 中国科学院苏州生物医学工程技术研究所 | Static CT (Computed Tomography) scanner |
| CN204575572U (en) * | 2015-04-10 | 2015-08-19 | 苏州浪声科学仪器有限公司 | X fluorescence spectrometer collimating apparatus switching device of optical fiber |
| CN106267587A (en) * | 2016-08-18 | 2017-01-04 | 上海联影医疗科技有限公司 | Collimator positioner assembly |
-
2017
- 2017-09-11 CN CN201710812520.6A patent/CN107655919B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57172205A (en) * | 1981-04-16 | 1982-10-23 | Seiko Instr & Electronics Ltd | Head device for measuring plating thickness by x rays |
| JPS60127405A (en) * | 1983-12-13 | 1985-07-08 | Seiko Instr & Electronics Ltd | Fluorescent-x-ray film-thickness gage |
| CN201339878Y (en) * | 2009-01-20 | 2009-11-04 | 江苏天瑞仪器股份有限公司 | Light filter and collimator combined switching unit |
| CN201387734Y (en) * | 2009-04-02 | 2010-01-20 | 深圳市华唯计量技术开发有限公司 | Optical filter device of X-ray fluorescence spectrometer |
| CN201622253U (en) * | 2010-01-15 | 2010-11-03 | 纳优科技（北京）有限公司 | Wheel disc type light-filtering collimating device of X-ray fluorescence spectrometer |
| CN201600339U (en) * | 2010-01-20 | 2010-10-06 | 纳优科技（北京）有限公司 | Filtering collimator combined device of X-ray fluorescence spectrometer |
| CN103385732A (en) * | 2013-07-25 | 2013-11-13 | 中国科学院苏州生物医学工程技术研究所 | Static CT (Computed Tomography) scanner |
| CN204575572U (en) * | 2015-04-10 | 2015-08-19 | 苏州浪声科学仪器有限公司 | X fluorescence spectrometer collimating apparatus switching device of optical fiber |
| CN106267587A (en) * | 2016-08-18 | 2017-01-04 | 上海联影医疗科技有限公司 | Collimator positioner assembly |
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