CN103983655B - The protection system of X-ray detector - Google Patents
The protection system of X-ray detector Download PDFInfo
- Publication number
- CN103983655B CN103983655B CN201410136504.6A CN201410136504A CN103983655B CN 103983655 B CN103983655 B CN 103983655B CN 201410136504 A CN201410136504 A CN 201410136504A CN 103983655 B CN103983655 B CN 103983655B
- Authority
- CN
- China
- Prior art keywords
- ray detector
- rotating shaft
- fixed
- probe
- screening glass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
A kind of protection system of X-ray detector, comprise host computer unit, embedded control unit and protective device, host computer unit sends control instruction to embedded control unit, and embedded control unit is resolved instruction control protective unit swivelling cover and covered or leave above X-ray detector probe; The bearing calibration of X-ray detector, comprises the steps: that (1) X-ray light pipe, to probe screening glass transmitting X ray, excites the electron energy in probe screening glass. (2) X-ray detector receives electron energy and converts data signal to and be sent to embedded control unit, embedded control unit by digital signal transfers to host computer unit. (3) host computer unit is after receiving digital signals, completes the correction of the inverse signal to X-ray detector by revising the peak coefficient that wafts. The present invention can realize the correction of X-ray detector, and can protect detector probe, thereby convenient, quick, flexible.
Description
Technical field
The present invention relates to X-fluorescence spectrometer technical field, particularly to X-fluorescence spectrometerThe system that core component-X-ray detector is protected and X-ray detector is proofreaied and correctMethod.
Background technology
X-ray detector is the parts of most critical in Xray fluorescence spectrometer, its effect be byXRF light quantum changes the electric pulse of definite shape and quantity into, glimmering to characterize X rayThe energy of light and intensity, it is in the nature the sensor of energy-electric weight. At present, most of X penetrateThe probe of line detector is made by Be window material, due to Be window very thin thickness, is only75um, therefore be easy to be damaged. As while utilizing the detection of Xray fluorescence spectrometer, BeWindow be installed on test item under, between Be window and test item, only have a very thin inspectionThe isolation of survey film, so be easy to penetrate at placement sample the damage of testing mould and cause Be window.In addition, because being almost naked state, X-ray detector head is vulnerable to extraneous dust and airIn moisture contamination, once and Be window is damaged or be subject to heavier pollution and just cannot recover.
The critical component of X-ray detector based on Be window, once be damaged or heavier dirtDye, just can cause complete machine to work, and the production of Be window is complicated, expensive, so needWant a kind of Be window protective device to be protected. But, because the energy of X-ray fluorescence is little,Traditional Be window protective device has blocked the space of Be window reception signal, to the standard of signals collectingReally property has caused impact; In addition, because the resolution ratio of detector itself is very high, be easy to be subject toTo temperature, humidity and the impact of other external environment, cause whenever some changes occur external environmentTime, the inverse signal of X-ray detector own all can produce certain variation, thus impact is measuredPrecision, so X-ray detector inverse signal need to regularly be carried out system compensation, to guarantee XThe accuracy of ray detector detection signal.
Existing Xray fluorescence spectrometer adopts outer method of joining correcting sheet regularly by manually completeBecome to proofread and correct, but correcting sheet is generally standard items, volume is little, expensive, easily lose, and peopleWork is proofreaied and correct more loaded down with trivial details. In addition, due to the problem such as employee and company system, often cannot accurately sentence,The disconnected time of proofreading and correct, easily occur that failing regularly to complete correction work causes system testing result to go outExisting deviation.
Summary of the invention
In order to solve the problems of the technologies described above, the object of the present invention is to provide a kind of X-ray detectionThe method of the protection system of device and corrected X ray detector thereof. Utilize protection system to completeTo the protection of X-ray detector probe, prevent that X-ray detector probe from being polluted or damaging.In addition, the protective device of protection system can not disturb and affect X-ray detector adopting signalCollection, utilizes protective device can complete the correction to X-ray detector inverse signal, to guaranteeX-ray detector certainty of measurement.
A protection system for X-ray detector, comprises host computer unit, embedded Control listUnit and the protective device of popping one's head in for the protection of X-ray detector;
Described host computer unit is used for sending control instruction, and control instruction is sent to embeddedControl module;
Described embedded control unit, for receiving the control instruction that send seat in the plane, refers to controllingOrder is resolved, and sends parsing instruction to protective device.
Described protective device receives resolves instruction, and swivelling cover overlays on X-ray detector probeThe top of X-ray detector probe is left in top with the rotation of protection X-ray detector probe.
Described host computer is provided with control module in unit, and described control module is to described embedded controlThe control instruction that unit processed sends.
As one of preferred version of the present invention, described protective device comprises rotary magnet, turnsAxis mechanism, the first fixed support, the second fixed support, probe screening glass, flexible restoring organ,X-ray detector installing plate, one end of described rotary magnet is fixed at described first and fixesOn support, described rotating shaft mechanism is arranged in described the second fixed support, described rotating shaft mechanismOne end connects the other end of described rotary magnet, described in the other end of described rotating shaft mechanism connectsProbe screening glass, described rotary magnet can drive described probe protection through described rotating shaft mechanismSheet rotation, described flexible restoring organ one end is fixedly arranged on described the first fixed support, its anotherEnd is fixedly arranged on described rotating shaft mechanism, and described X-ray detector installing plate is fixedly arranged on described secondSupport bracket fastened end.
As one of preferred version of the present invention, described rotating shaft mechanism comprises a long rotating shaft, described inLong rotating shaft is arranged in described the second fixed support, in described long rotating shaft, fixes and props up in described secondOne side of frame is provided with cross axle card, spacing fixed block, external stability piece successively, described long rotating shaftAbove be provided with an inner fixed block in described the second support bracket fastened opposite side, described inner fixed blockOn be equiped with a cutting ferrule.
As one of preferred version of the present invention, this protection system also comprises an axle sleeve, described in revolveThe central shaft that turns electromagnet is assemblied in one end of described axle sleeve, and described long rotating shaft is assemblied in described axleThe other end of cover, is located at cross axle card in described long rotating shaft and is inserted in the breach of described axle sleeveIn, described external stability piece is fixed on a described second support bracket fastened side, and described inside is fixedPiece is fixed on described the second support bracket fastened opposite side, and described cutting ferrule connects described probe protectionSheet.
As one of preferred version of the present invention, described cutting ferrule is through a screening glass support and described spyHead protection sheet is connected.
As one of preferred version of the present invention, described flexible restoring organ comprises a reset bulletSpring, the first spring that one end of described back-moving spring is fixedly arranged on described the first fixed support is fixedKong Zhong, the second spring that the other end of described back-moving spring is fixedly arranged on described spacing fixed block is consolidatedDetermine in hole.
As one of preferred version of the present invention, this protection system also comprises a caging bolt, instituteStating caging bolt is fixed on described the first fixed support.
As one of preferred version of the present invention, described probe screening glass is by proofreading and correct material makingBecoming, is high low peak correcting sheet or special correcting circuit sheet.
A bearing calibration for the protection system of X-ray detector probe, comprises the steps:
(1), prepare to proofread and correct, the X-ray light pipe of X-fluorescence spectrometer is to probe screening glass transmitting XRay, excites the electron energy in probe screening glass.
(2), the electron energy signal that is excited in X-ray detector receiving transducer screening glass,Amplify after shaping filter conversion by analog circuit, then pass through analog-to-digital circuit by electronic energyAmount signal is converted into data signal, and data signal is sent to embedded by usb communication portControl module, embedded control unit by digital signal transfers to host computer unit.
(3), host computer unit after receiving digital signals, data signal is converted into current energyAmount scale signal, and go out when leading peak road value according to current energy calibration calculated signals, by revisingThe peak coefficient that wafts completes the correction of the inverse signal to X-ray detector. Wherein, the value school of wafing, peakPositive formula is: C=t+ (1+g) c,
In above formula: establish r=1+g, t and r are the peak coefficient that wafts, and C is the warp that system has been preservedRoad, the accurate peak value of overcorrect, c is for when leading peak road value, specifically by first coarse regulation coefficient r withAnd rear inching coefficient t adjusts the relation of c and C, and make c and C in full accord, therebyReach the object of the inverse signal of corrected X ray detector.
Compared with prior art, the present invention at least tool have the following advantages:
1. utilize protection system can complete the protection to X-ray detector probe, prevent that X from penetratingLine detector probe is polluted or is damaged. In addition, the protective device of protection system can not disturbAnd affect the collection of X-ray detector to signal, utilize protective device can complete X rayThe correction of detector inverse signal, to guarantee X-ray detector certainty of measurement. The present invention moreConvenient, fast, flexible.
2. can realize the correction of X-ray detector because of the present invention, and can be to visitingSurvey device probe and protect, therefore that the present invention operates is convenient, quick, flexible.
Brief description of the drawings
In order to be illustrated more clearly in architectural feature of the present invention and technical essential, below in conjunction with accompanying drawing andThe present invention is described in detail for detailed description of the invention.
Fig. 1 is the protective device of the disclosed X-ray detector protection system of the embodiment of the present inventionStructural representation;
Fig. 2 is the structural representation of the disclosed rotating shaft mechanism of the embodiment of the present invention;
Fig. 3 is the control flow of the disclosed X-ray detector protection system of the embodiment of the present inventionFigure;
Fig. 4 is the flow chart of the disclosed X-ray detector bearing calibration of the embodiment of the present invention;
Fig. 5 is the workflow diagram of the disclosed X-fluorescence spectrometer of the embodiment of the present invention.
Description of reference numerals: 1-rotary magnet, 2-rotating shaft mechanism, the long rotating shaft of 21-, 22-crossAxle card, the spacing fixed block of 23-, 24-external stability piece, the inner fixed block of 25-, 26-cutting ferrule,3-the first fixed support, 4-the second fixed support, the 5-screening glass of popping one's head in, 6-elastic reset machineStructure, 61-back-moving spring, 7-X ray detector installing plate, 8-axle sleeve, 9-screening glass support,10-caging bolt.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the present embodiment, the technical scheme in embodiment is carried out to toolBody, description clearly and completely.
A protection system for X-ray detector, for the protection of the probe of X-ray detector,It comprises host computer unit, embedded control unit and for the protection of X-ray detector probeProtective device; Host computer unit is used for sending control instruction, and control instruction is sent to embeddingFormula control module; Embedded control unit is for receiving the control instruction that send seat in the plane, to controlInstruction processed is resolved, and sends parsing instruction to protective device; Protective device receives to resolve and refers toOrder, and the top that swivelling cover overlays on X-ray detector probe is with protection X-ray detector probeThe top of X-ray detector probe is left in rotation; Host computer is provided with control module in unit, instituteState the control instruction that control module is sent to described embedded control unit.
Shown in Fig. 1-3, protective device comprises rotary magnet 1, rotating shaft mechanism 2,One fixed support 3, the second fixed support 4, probe screening glass 5, flexible restoring organ 6, XRay detector installing plate 7, the first fixed supports 3 are U-shaped structure, rotary magnet 1One end is fixed on the first fixed support 3 and is contained in the U-shaped knot of the first fixed support 3Structure inside, rotating shaft mechanism 2 is arranged in the second fixed support 4, and one end of rotating shaft mechanism 2 connectsConnect the other end of rotary magnet 1, the other end of rotating shaft mechanism 2 connects probe screening glass 5,This probe screening glass is prepared from for proofreading and correct material, can be that height peak value correcting sheet or industry are specialUse correcting sheet. Rotary magnet 1 can drive probe screening glass 5 to rotate through rotating shaft mechanism 2,One end of flexible restoring organ 6 is fixedly arranged on the first fixed support 3, and its other end is fixedly arranged on and turnsOn axis mechanism 2, the second fixed support 4 is U-shaped structure, and X-ray detector installing plate 7 is solidBe located at the end of the U-shaped structure of the second fixed support, for X-ray detector is installed.
Rotating shaft mechanism 2 comprises a long rotating shaft 21, and long rotating shaft 21 is arranged in the second fixed support 4In, in long rotating shaft 21, be provided with successively cross axle card 22, limit in a side of the second fixed support 4Position fixed block 23, external stability piece 24, in long rotating shaft 21 in another of the second fixed support 4Side is provided with an inner fixed block 25, is equiped with a cutting ferrule 26 on inner fixed block 25.
This protection system also comprises an axle sleeve 8, and the central shaft of rotary magnet 1 is assemblied in axle sleeveOne end of 8, long rotating shaft 21 is assemblied in the other end of axle sleeve 8, is located at ten in long rotating shaft 21Word axle card 22 is inserted in the breach of axle sleeve 8, so, can make long rotating shaft 21 and axle sleeve8 can be assembled together more securely, and external stability piece 24 is fixed on the second fixed support 4A side, inner fixed block 25 is fixed on the opposite side of the second fixed support 4, by outsideThe clamping action of fixed block 24 and inner fixed block 25, can be solid securely by long rotating shaft 21On the second fixed support 4, cutting ferrule 26 is through a screening glass support 9 and probe screening glass 5Be connected.
Flexible restoring organ 6 comprises a back-moving spring 61, and one end of back-moving spring 61 is fixedly arranged onIn the first spring fixed hole on the first fixed support 3, the other end of back-moving spring 61 sets firmlyIn the second spring fixed hole on spacing fixed block 23. Back-moving spring 61 produces certain resistanceBuddhist nun, guarantee system can make the rapid return of rotary magnet 1 after finishing the work. This elasticity is multiplePosition mechanism 6 can also be other elastic construction, as rubber mechanism.
This protection system also comprises a caging bolt 10, and caging bolt 10 is fixed on first to be fixedOn support 4, relative with back-moving spring 61 and establish, it is for ensureing revolving of rotary magnet 1Gyration be unlikely to excessive and with other structure generation interference.
Shown in Figure 3, the control flow of X-ray detector protection system is as follows:
Host computer unit sends control signal, and by external communication interface by control signal transmissionGive embedded control unit, embedded control unit is resolved control instruction and is controlled PWM and drives electricityRoad makes the rotation of X-ray detector protective device.
In the time that the X-ray detector of X-fluorescence spectrometer is started working, outside host computer unit passes throughConnect communication interface to embedded control unit transmission work communication instruction, embedded control unit solutionAnalysing instruction rear drive PWM drive circuit makes the rotary magnet 1 of protective device rotate certain angleDegree, rotary magnet 1 drives long rotating shaft 21 to rotate, thereby drive probe screening glass 5 rotates,And remove from the probe top of X-ray detector. After X-ray detector work completes, onMachine unit, position sends the communication instruction that quits work, embedded control unit to embedded control unitTurn-off PWM drive circuit by resolving after instruction, rotary magnet 1 without after driving by itselfRotary torque and back-moving spring 61 elastic force effects and turn round reset, in the limit that arrives caging boltAfter bit switch, stop revolution mobile.
Due to the special nature of PWM drive circuit itself, can greatly reduce rotary magnet 1Fever phenomenon, thereby can make rotary magnet 1 caloric value under long attracting stateLower, thus the loss to rotary magnet 1 reduced.
Shown in Figure 4, the trimming process of X-ray detector detector is as follows:
(1), host computer unit checks the whether intact rear beginning preheating of each parts, as parts inspectionGo wrong and return to the warning of host computer unit, after preheating, whether preheating is complete for host computer unit judgesBecome, if host computer unit does not complete preheating, return to preheating, if preheating completes, host computerUnit starts automatic calibration, and the X-ray light pipe of X-fluorescence spectrometer is penetrated to probe screening glass transmitting XLine, excites the electron energy in probe screening glass.
(2), the electron energy signal that is excited in X-ray detector receiving transducer screening glass,Amplify after shaping filter conversion by analog circuit, then pass through analog-to-digital circuit by electronic energyAmount signal is converted into data signal, and data signal is sent to embedded by usb communication portControl module, embedded control unit by digital signal transfers to host computer unit.
(3), host computer unit after receiving digital signals, data signal is converted into current energyAmount scale signal, and go out when leading peak road value according to current energy calibration calculated signals, by revisingThe peak coefficient that wafts completes the correction of the inverse signal to X-ray detector. Wherein, the value school of wafing, peakPositive formula is: C=t+ (1+g) c,
In above formula: establish r=1+g, t and r are the peak coefficient that wafts, and C is the warp that system has been preservedRoad, the accurate peak value of overcorrect, c is for when leading peak road value, specifically by first coarse regulation coefficient r withAnd rear inching coefficient t adjusts the relation of c and C, and make c and C in full accord, therebyReach the object of the inverse signal of corrected X ray detector.
The waft formulation process of value of peak is as follows:
The formula table of energy calibration is shown: E (c)=Gc+E0
Wherein c is be corresponding c passage when leading peak road value, E (c) excitation electron energy, E0Be the energy of the 0th passage, G is energy curve gradient constant, wherein, and when leading peak road value formulaBe expressed as:
c＝T+E/G
T represents corresponding zero energy Feng road value, i.e. c=0, so can obtain T=-E0/G。
Can there is the peak phenomenon of wafing in X-fluorescence spectrometer before correction, and the variable quantity of establishing T is △ T,The variable quantity of gain G is △ G, when the variable quantity of leading peak road value c is △ c, by bringing front formula intoCan obtain:
△c＝△T+△(1/G)E＝△T-(△G/G)(E/G)
Because T has compared T < < c with c, T ≈ 0 can derive thus:
△c≈△T-(△G/G)c＝t+gc
Wherein, t represents the variable quantity △ T of T, and g represents the percentage that G changes, the peak phenomenon of wafingRoad, the accurate peak value in the c road before wafing corresponding to peak after generation is C,
C＝c+△c
Bringing front formula into can obtain:
C＝t+(1+g)c
Wherein, establish r=1+g, t and r are the peak coefficient that wafts
Shown in Figure 5, X-fluorescence spectrometer workflow is as follows:
Before X-ray detector work, host computer unit first judges whether to need to proofread and correct, ifNeed to proofread and correct host computer unit controls and close rotary magnet 1, probe screening glass 5 rotary capOverlay on X-ray detector probe top, start the probe screening glass 5 that utilizes correction material to prepareCarry out correction work, trimming process as described above. If do not need to proofread and correct host computer listUnit sends preparation measuring control signal, detect the enclosing cover switch of X-fluorescence spectrometer and close, as outsideLid switch open tester can be accepted X-ray radiation, and institute thinks and guarantees the safe feelings of testerCondition system is not carried out next step downwards, and enclosing cover switch cuts out and represents that test belongs to peace at presentFull test, host computer unit is sent and is measured command signal, embedded control by USB communication interfaceUnit processed receives the measurement instruction that host computer unit sends, as embedded control unit does not receiveTo measuring instruction, be back to and check that whether usb communication interface is in running order or USB logicalWhether letter interface has command; As normally receiving measurement instruction, embedded control unit resolvesInstruction, instruction drives the control of PWM drive circuit to revolve according to the requirement of resolving instruction after resolvingTurn electromagnet 1 and rotate corresponding angle, the probe screening glass 5 of protective device is visited from X raySurvey on device probe and remove corresponding angle, waiting system has been tested. After detection, upperMachine unit sends to embedded control unit the communication instruction that quits work, and embedded control unit is logicalAfter crossing parsing instruction, turn-off PWM drive circuit, rotary magnet 1 is without returning by itself after drivingTorque and back-moving spring 61 elastic force effects and turn round reset, thus X-ray detection ensuredDevice probe continues to be effectively protected.
Above-mentioned detailed description of the invention, is only explanation technical conceive of the present invention and architectural feature, and object existsIn the stakeholder who is familiar with technique can be implemented according to this, but above said content is not limitProtection scope of the present invention processed, any equivalence that every foundation Spirit Essence of the present invention is done becomesChange or modify, within all should falling into protection scope of the present invention.
Claims (5)
1. a protection system for X-ray detector, is characterized in that, comprise host computer unit,Embedded control unit and the protective device of popping one's head in for the protection of X-ray detector; Described upperMachine unit is used for sending control instruction, and control instruction is sent to embedded control unit; InstituteState the control instruction that embedded control unit is sent for receiving upper seat in the plane, control instruction is carried outResolve, and send parsing instruction to protective device; Described protective device receives resolves instruction, andSwivelling cover overlays on the top of X-ray detector probe and pops one's head in or revolve with protection X-ray detectorLeave out the top of X-ray detector probe;
Described host computer is provided with control module in unit, and described control module is to described embedded controlThe control instruction that unit processed sends, described protective device comprise rotary magnet, rotating shaft mechanism,The first fixed support, the second fixed support, probe screening glass, flexible restoring organ, X rayDetector installing plate, one end of described rotary magnet is fixed at described the first fixed supportUpper, described rotating shaft mechanism is arranged in described the second fixed support, one end of described rotating shaft mechanismConnect the other end of described rotary magnet, the other end of described rotating shaft mechanism connects described probeScreening glass, described rotary magnet can drive described probe screening glass to revolve through described rotating shaft mechanismTurn, described flexible restoring organ one end is fixedly arranged on described the first fixed support, and its other end is solidBe located on described rotating shaft mechanism, described X-ray detector installing plate is fixedly arranged on described second and fixesThe end of support, described rotating shaft mechanism comprises a long rotating shaft, described long rotating shaft is arranged in described theIn two fixed supports, in described long rotating shaft, be provided with successively ten in a described second support bracket fastened sideWord axle card, spacing fixed block, external stability piece, fix and prop up in described second in described long rotating shaftThe opposite side of frame is provided with an inner fixed block, on described inner fixed block, is equiped with a cutting ferrule, shouldProtection system also comprises an axle sleeve, and the central shaft of described rotary magnet is assemblied in described axle sleeveOne end, described long rotating shaft is assemblied in the other end of described axle sleeve, is located at ten in described long rotating shaftWord axle card is inserted in the breach of described axle sleeve, and described external stability piece is fixed on described second admittedlyOne side of fixed rack, described inner fixed block is fixed on described the second support bracket fastened opposite side,Described cutting ferrule connects described probe screening glass.
2. the protection system of X-ray detector according to claim 1, is characterized in that,Described cutting ferrule is connected with described probe screening glass through a screening glass support.
3. X-ray detector protection system according to claim 1, is characterized in that,Described flexible restoring organ comprises a back-moving spring, described in one end of described back-moving spring is fixedly arranged onIn the first spring fixed hole on the first fixed support, the other end of described back-moving spring is fixedly arranged onIn the second spring fixed hole on described spacing fixed block.
4. the protection system of X-ray detector according to claim 1, is characterized in that,This protection system also comprises a caging bolt, and described caging bolt is fixed on described first fixingOn frame.
5. according to the protection system of the X-ray detector described in any one in claim 1-4,It is characterized in that, described probe screening glass is made by proofreading and correct material, for high low peak is proofreaied and correctSheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410136504.6A CN103983655B (en) | 2014-04-04 | 2014-04-04 | The protection system of X-ray detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410136504.6A CN103983655B (en) | 2014-04-04 | 2014-04-04 | The protection system of X-ray detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103983655A CN103983655A (en) | 2014-08-13 |
| CN103983655B true CN103983655B (en) | 2016-06-08 |
Family
ID=51275711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410136504.6A Active CN103983655B (en) | 2014-04-04 | 2014-04-04 | The protection system of X-ray detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103983655B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3081921B1 (en) * | 2015-04-16 | 2019-08-14 | Heraeus Electro-Nite International N.V. | Spectrometer calibration method |
| FR3052259B1 (en) * | 2016-06-02 | 2023-08-25 | Avenisense | SENSOR, METHOD FOR CALIBRATING A SENSOR AND AUTOMATED METHOD FOR ONLINE MONITORING OF THE EVOLUTION OF A LIQUID BODY |
| CN107569249A (en) * | 2017-08-25 | 2018-01-12 | 沈阳东软医疗系统有限公司 | A kind of crystal energy bearing calibration and device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57166549A (en) * | 1981-04-07 | 1982-10-14 | Rigaku Denki Kogyo Kk | Apparatus for fluorescence x-ray analysis |
| JPS61129557A (en) * | 1984-11-28 | 1986-06-17 | Horiba Ltd | Automatic decision device for kind of steel |
| CN2867543Y (en) * | 2006-01-10 | 2007-02-07 | 上海瑞京机电发展有限公司 | Rotational rate electromagnet |
| US9176080B2 (en) * | 2011-07-19 | 2015-11-03 | Olympus Ndt, Inc. | X-ray analysis apparatus with detector window protection feature |
-
2014
- 2014-04-04 CN CN201410136504.6A patent/CN103983655B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103983655A (en) | 2014-08-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103983655B (en) | The protection system of X-ray detector | |
| JP2006526791A5 (en) | ||
| JP2009538435A5 (en) | ||
| CN104406996B (en) | Ray-intensity-adjustable quantitative paper sensor and control method thereof | |
| CN103424768A (en) | Gain stabilizing apparatus for detector system and controlling method thereof | |
| CN103323624A (en) | Method and device for verifying the consistency of the measurements of the angle-of-attack probe of an aircraft | |
| EP2653892A3 (en) | Method for analyzing an EDS signal | |
| CN202256124U (en) | Field test device for mechanical property of existing glass curtain wall structural glue | |
| CN1632544A (en) | Neutron cement multi-element analyzer | |
| CN106197479A (en) | A kind of portable incidence vane calibrating installation | |
| US4489236A (en) | Method for calibrating scintillation crystal | |
| Gendre et al. | X-ray afterglow light curves: toward a standard candle? | |
| CN203444733U (en) | Testing device for measuring device response time | |
| CN203561570U (en) | Atmospheric particulate monitor calibration device based on beta ray method | |
| CN205300563U (en) | Corner tester | |
| CN213067468U (en) | Building foundation depth detection device based on big dipper | |
| CN209167109U (en) | A kind of timber EO-1 hyperion nondestructive testing instrument | |
| KR20150120205A (en) | Apparatus for detecting radiation portable and method using the same | |
| US10812788B1 (en) | Systems and methods to calibrate spectral characteristics of imaging sensors | |
| CN207396667U (en) | Ultraviolet partial discharge number of photons detection device based on laser radar range compensation | |
| CN220187653U (en) | Snow depth detection device | |
| CN207623142U (en) | A kind of connection force checking device | |
| CN207248245U (en) | A kind of energy-dispersion X-ray fluorescence spectrometer temperature humidity monitoring device | |
| AU2006200080A1 (en) | Temperature reduction fixture for accelerated weathering test apparatus | |
| Pechousek | Application of virtual instrumentation in nuclear physics experiments |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |