CN102435626A - Table type X-ray diffractometer - Google Patents
Table type X-ray diffractometer Download PDFInfo
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- CN102435626A CN102435626A CN2011102699816A CN201110269981A CN102435626A CN 102435626 A CN102435626 A CN 102435626A CN 2011102699816 A CN2011102699816 A CN 2011102699816A CN 201110269981 A CN201110269981 A CN 201110269981A CN 102435626 A CN102435626 A CN 102435626A
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- ray diffractometer
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- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000005855 radiation Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000008358 core component Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000012113 quantitative test Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
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- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The invention relates to a desk-top X-ray diffractometer, comprising an X-ray generator, an angle measuring instrument, a high-voltage switch power supply and a control unit, wherein the angle measuring instrument is fixed on a rack through a base of the angle measuring instrument; the goniometer is provided with a sample stage and a detector which are respectively connected with different driving devices; the ray receiving part of the detector rotates along with the reflection line of the X ray in the motion state, and the output signal of the goniometer is sent to the control unit. The invention adopts a table structure, solves the problems of large overall size and heat dissipation of the traditional X-ray diffractometer, reduces the energy consumption of a power supply, and is beneficial to energy conservation and emission reduction.
Description
Technical field
The present invention relates to a kind of X-ray diffraction device, a kind of specifically desk-top X-ray diffractometer.
Background technology
X-ray diffractometer is to utilize diffraction principle; Accurately measure the crystal structure of material; Texture and stress carry out material phase analysis, qualitative analysis and quantitative test accurately, are widely used in fields such as metallurgy, oil, chemical industry, scientific research, Aero-Space, teaching and manufacture of materials.
X-ray diffractometer utilizes a kind of large-sized analytic instrument of X-ray diffraction Research on Principle material internal microstructure, is widely used in each big, special universities and colleges, scientific research institutions and industrial enterprise.
The main composition parts of X-ray diffractometer comprise 4 parts:
(1) x ray generator provides and measures required X ray, changes the wavelength that x ray generator plate target material can change X ray, the intensity of regulating anode voltage may command x-ray source;
(2) adjusting mechanism of sample position orientation, i.e. angular instrument system is used for the angle of diffraction of measuring samples;
(3) solid high-frequency and high-voltage X ray power supply is for x ray generator provides battery tube voltage and tube current, to produce the X ray of intensity stabilization;
(4) control module; Be the core control section of X-ray diffractometer,, obtain the interplanar distance d value of sample through the rotational angle that angular instrument is gathered; Thereby point out out material inner fine structure, and realize data transmission through communication bus (the RS485 interface that has standard) and terminal computer.
The angular instrument system that uses in the traditional X-ray x ray diffractometer x adopts two worm gears, twin shaft to drive, and its design size is big; Measure radius big (185mm); The heat radiation of high stability x ray generator need be adopted bulky refrigerating plant; The frequency high voltage power supply that the power supply of supplying power for the high stability x-ray source uses, its transformer dimension volume is bigger.Cause the X-ray diffractometer overall dimensions huge, can only in the laboratory of special use, use, can not use, in routine use and activity in production, bring inconvenience for the user in general environment even site environment.
Summary of the invention
Huge to X-ray diffractometer overall dimensions in the prior art, routine use and activity in production in have weak point such as inconvenience, the technical matters that the present invention will solve provides a kind of compact conformation, desk-top X-ray diffractometer that volume is little.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is:
The desk-top X-ray diffractometer of the present invention comprises x ray generator, angular instrument, high-voltage switch power supply and control module; Wherein angular instrument is fixed on the stand through its base; X ray generator is fixedly installed on the housing of angular instrument, and high-voltage switch power supply is located in the stand bottom space; Angular instrument has sample stage and detector, and the two is connected to different drive units respectively; The ray receiving unit of detector is followed the reflected ray rotation of X ray under the motion state, and the output signal of angular instrument is delivered to control module.
Said angular instrument comprises worm screw, worm gear, detector, housing, sample stage and base, and wherein sample stage is positioned at the centre of worm gear, and worm gear is located at the housing inboard, and housing is fixedly installed on the base; Worm screw links to each other with first drive unit and meshes with worm gear; Detector is installed on the worm gear; Detector and x ray generator are symmetrically distributed in the sample stage both sides.
The housing of said angular instrument is an annular of being located at the worm gear periphery.
Said sample stage links to each other with second drive unit, and this second drive unit fixedly on the worm gear, is connected to the control signal of control module.
At x ray generator conduction heat position heating radiator is installed, and blower fan is installed on heating radiator.
Said high-voltage switch power supply adopts the high-frequency and high-voltage Switching Power Supply.
Said desk-top X-ray diffractometer outside also is provided with the protective cover that prevents dust and radiation.
The present invention has following beneficial effect and advantage:
1. the present invention adopts mesa structure; Its core component angular instrument adopts single worm gear, single shaft drive form; Having solved the traditional X-ray x ray diffractometer x can only use in the laboratory of special use; Can not use in general environment even site environment, in routine use and activity in production, bring inconvenience and the huge problem of overall dimensions for the user.
2. the present invention installs heating radiator at x ray generator conduction heat position; And blower fan is installed on heating radiator is cooled off, traditional relatively X-ray diffractometer no longer need adopt bulky refrigerating plant; Solve the heat dissipation problem of x ray generator, and reached the effect of energy-saving and emission-reduction.
3. the present invention adopts solid high-frequency and high-voltage switch power technology, reaches not re-use huge frequency high voltage power supply, has reduced the volume of complete machine greatly.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a side of the present invention diagrammatic sketch.
Embodiment
Below in conjunction with Figure of description the present invention is done further elaboration.
As shown in Figure 1; The desk-top X-ray diffractometer of the present invention comprises x ray generator, angular instrument, high-voltage switch power supply 1 and control module; Wherein angular instrument is fixed on the stand 10 through its base; X ray generator is fixedly installed on the housing 7 of angular instrument, and high-voltage switch power supply 1 is located in stand 10 bottom spaces; Angular instrument has sample stage 8 and detector 5, and the two is connected to the drive unit with regulation rotating speed respectively; The ray receiving unit of angular instrument is followed the reflected ray rotation of X ray under the motion state under the driving of its drive unit, and the output signal of angular instrument is delivered to control module.
Angular instrument is a core component of the present invention; Adopt single worm gear, single shaft Drive Structure, comprise worm screw 2, worm gear 6, detector 5, housing 7 and base 8, wherein sample stage 8 is positioned at the centre of worm gear 6; Worm gear 6 is located at housing 7 inboards; Housing 7 is fixedly installed on the base, and for being located at the annular of worm gear 6 peripheries, this worm gear 6 can rotate in housing 7; Detector 5 is fixedly installed in the limit portion of worm gear 6, can be with worm gear 6 rotations; X ray generator is fixedly installed on the angular instrument housing 7.
Worm screw 2 and the action component of worm gear 6 engagements as angular instrument, first motor 9 (present embodiment is a stepper motor) is as its drive unit; As its drive unit, this second motor 4 is fixed on the worm gear 6 sample stage 8, is connected to the control signal of control module with second motor 4 (present embodiment is a stepper motor); Detector 5 is symmetrically distributed in sample stage 8 both sides with x ray generator.
At x ray generator conduction heat position heating radiator is installed, and blower fan is installed on heating radiator is cooled off, traditional relatively X-ray diffractometer no longer need adopt bulky refrigerating plant, has solved the heat dissipation problem of x ray generator; X ray generator adopts solid high-frequency and high-voltage switch power technology, reaches not re-use huge frequency high voltage power supply, has reduced the volume of complete machine greatly.
For the dust that reduces desk-top X-ray diffractometer reaches the radiation to the outside, protection equipment and personal safety, present embodiment has added protective cover in outside of the present invention.
The course of work of the present invention is following: when powering on; The control signal that first motor 9 and second motor 4 receive control module starts simultaneously; The output shaft of first motor 9 drives worm screw 2 and rotates predetermined angular, worm screw 2 and worm gear 3 engaged transmission, and detector 5 is rotated counterclockwise 2 θ angles with worm gear 6; If this moment, second motor 4 did not start; It should be rotated counterclockwise 2 θ angles with worm gear 6 servo-actuateds with sample stage 8, but second motor 4 can receive the control signal of control module simultaneously, and the rotating speed with 1/2 is done reverse rotation θ angle with respect to worm gear 6.
The X ray that x ray generator sends is mapped on the sample stage 8, and the axis along detector 5 behind sample scattering accurately enters into detector 5, and detector 5 is sent to control module with the sample detection signal again and carries out analyzing and processing.
Claims (7)
1. desk-top X-ray diffractometer; It is characterized in that: comprise x ray generator, angular instrument, high-voltage switch power supply (1) and control module; Wherein angular instrument is fixed on the stand (10) through its base; X ray generator is fixedly installed on the housing (7) of angular instrument, and high-voltage switch power supply (1) is located in stand (10) bottom space; Angular instrument has sample stage (8) and detector (5), and the two is connected to different drive units respectively; The ray receiving unit of detector under the motion state (5) is followed the reflected ray rotation of X ray, and the output signal of angular instrument is delivered to control module.
2. by the described desk-top X-ray diffractometer of claim 1; It is characterized in that: said angular instrument comprises worm screw (2), worm gear (6), detector (5), housing (7), sample stage (8) and base; Wherein sample stage (8) is positioned at the centre of worm gear (6); Worm gear (6) is located at housing (7) inboard, and housing (7) is fixedly installed on the base; Worm screw (2) links to each other with first drive unit and meshes with worm gear (6); Detector (5) is installed on the worm gear (6); Detector (5) is symmetrically distributed in sample stage (8) both sides with x ray generator.
3. by the described desk-top X-ray diffractometer of claim 1, it is characterized in that: the housing of said angular instrument (7) is for being located at the annular of worm gear (6) periphery.
4. by the described desk-top X-ray diffractometer of claim 1, it is characterized in that: said sample stage (8) links to each other with second drive unit, and this second drive unit fixedly on the worm gear (6), is connected to the control signal of control module.
5. by the described desk-top X-ray diffractometer of claim 1, it is characterized in that: at x ray generator conduction heat position heating radiator is installed, and blower fan is installed on heating radiator.
6. by the described desk-top X-ray diffractometer of claim 1, it is characterized in that: said high-voltage switch power supply (1) adopts the high-frequency and high-voltage Switching Power Supply.
7. by the described desk-top X-ray diffractometer of claim 1, it is characterized in that: said desk-top X-ray diffractometer outside also is provided with the protective cover that prevents dust and radiation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102699816A CN102435626A (en) | 2011-09-13 | 2011-09-13 | Table type X-ray diffractometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102699816A CN102435626A (en) | 2011-09-13 | 2011-09-13 | Table type X-ray diffractometer |
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| CN102435626A true CN102435626A (en) | 2012-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102699816A Pending CN102435626A (en) | 2011-09-13 | 2011-09-13 | Table type X-ray diffractometer |
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| Country | Link |
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| CN (1) | CN102435626A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048978A (en) * | 2013-03-15 | 2014-09-17 | 普罗托制造有限公司 | X-ray diffraction apparatus and method |
| CN106596607A (en) * | 2016-12-29 | 2017-04-26 | 中国科学院上海应用物理研究所 | Diffractometer capable of measuring protein crystal data at high precision |
| CN106841253A (en) * | 2016-12-29 | 2017-06-13 | 中国科学院上海应用物理研究所 | A kind of compound diffractometer that can accurately measure albumin crystal data |
| CN110441337A (en) * | 2019-09-03 | 2019-11-12 | 丹东浩元仪器有限公司 | A kind of X-ray diffractometer multifunctional sample platform detection device |
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|---|---|---|---|---|
| CN2236652Y (en) * | 1996-02-17 | 1996-10-02 | 中国航天工业总公司 | X ray diffractometer |
| CN2381094Y (en) * | 1999-07-12 | 2000-05-31 | 白景友 | X-ray generator |
| EP1462795A2 (en) * | 2003-03-26 | 2004-09-29 | Rigaku Corporation | X-Ray diffractometer for grazing incidence switchable between in-plane and out-of-plane measurements |
| CN1588019A (en) * | 2004-07-14 | 2005-03-02 | 西南技术工程研究所 | Short wave length X-ray diffraction measuring device and method |
| CN200993580Y (en) * | 2006-12-18 | 2007-12-19 | 北京有色金属研究总院 | Improved structure of X-ray diffraction instrument horizontal angle measuring instrument |
| CN201251557Y (en) * | 2008-08-27 | 2009-06-03 | 宝山钢铁股份有限公司 | X-ray diffraction on-line testing device of hot galvanizing alloying layer |
| CN201348614Y (en) * | 2009-01-14 | 2009-11-18 | 北京普析通用仪器有限责任公司 | Angle measuring instrument with adjustable scan circle for X ray diffraction instrument |
| CN201352204Y (en) * | 2009-01-22 | 2009-11-25 | 北京普析通用仪器有限责任公司 | Special sample table for measuring fiber orientation by using X-ray diffraction instrument |
| CN202196027U (en) * | 2011-09-13 | 2012-04-18 | 丹东通达科技有限公司 | Table type X-ray diffractometer |
-
2011
- 2011-09-13 CN CN2011102699816A patent/CN102435626A/en active Pending
Patent Citations (9)
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|---|---|---|---|---|
| CN2236652Y (en) * | 1996-02-17 | 1996-10-02 | 中国航天工业总公司 | X ray diffractometer |
| CN2381094Y (en) * | 1999-07-12 | 2000-05-31 | 白景友 | X-ray generator |
| EP1462795A2 (en) * | 2003-03-26 | 2004-09-29 | Rigaku Corporation | X-Ray diffractometer for grazing incidence switchable between in-plane and out-of-plane measurements |
| CN1588019A (en) * | 2004-07-14 | 2005-03-02 | 西南技术工程研究所 | Short wave length X-ray diffraction measuring device and method |
| CN200993580Y (en) * | 2006-12-18 | 2007-12-19 | 北京有色金属研究总院 | Improved structure of X-ray diffraction instrument horizontal angle measuring instrument |
| CN201251557Y (en) * | 2008-08-27 | 2009-06-03 | 宝山钢铁股份有限公司 | X-ray diffraction on-line testing device of hot galvanizing alloying layer |
| CN201348614Y (en) * | 2009-01-14 | 2009-11-18 | 北京普析通用仪器有限责任公司 | Angle measuring instrument with adjustable scan circle for X ray diffraction instrument |
| CN201352204Y (en) * | 2009-01-22 | 2009-11-25 | 北京普析通用仪器有限责任公司 | Special sample table for measuring fiber orientation by using X-ray diffraction instrument |
| CN202196027U (en) * | 2011-09-13 | 2012-04-18 | 丹东通达科技有限公司 | Table type X-ray diffractometer |
Non-Patent Citations (1)
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| 马跃 等: "小型高压开关电源设计", 《沈阳师范大学学报（自然科学版）》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048978A (en) * | 2013-03-15 | 2014-09-17 | 普罗托制造有限公司 | X-ray diffraction apparatus and method |
| CN106596607A (en) * | 2016-12-29 | 2017-04-26 | 中国科学院上海应用物理研究所 | Diffractometer capable of measuring protein crystal data at high precision |
| CN106841253A (en) * | 2016-12-29 | 2017-06-13 | 中国科学院上海应用物理研究所 | A kind of compound diffractometer that can accurately measure albumin crystal data |
| CN106596607B (en) * | 2016-12-29 | 2019-02-12 | 中国科学院上海应用物理研究所 | A diffractometer that can measure protein crystal data with high precision |
| CN106841253B (en) * | 2016-12-29 | 2019-06-28 | 中国科学院上海应用物理研究所 | A kind of compound diffractometer of energy accurately measure albumin crystal data |
| CN110441337A (en) * | 2019-09-03 | 2019-11-12 | 丹东浩元仪器有限公司 | A kind of X-ray diffractometer multifunctional sample platform detection device |
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Application publication date: 20120502 |