CN202002886U - Portable mineral age determinator - Google Patents
Portable mineral age determinator Download PDFInfo
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- CN202002886U CN202002886U CN 201120071891 CN201120071891U CN202002886U CN 202002886 U CN202002886 U CN 202002886U CN 201120071891 CN201120071891 CN 201120071891 CN 201120071891 U CN201120071891 U CN 201120071891U CN 202002886 U CN202002886 U CN 202002886U
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Abstract
The utility model relates to a portable mineral age determinator which is specifically applied to age determination of geological mineral samples. The portable mineral age determinator comprises a detector and a host which are connected by a control wire; a darkroom comprises a darkroom shell, a darkroom upper cover and a darkroom base; a photomultiplier is fixed on the darkroom upper cover, a detection optical filter is fixedly arranged in front of the photomultiplier, an excitation light source controlled by the host is arranged on the darkroom base, an excitation optical filter is fixedly arranged in front of the excitation light source, and a detachable box-type sample wafer bracket is arranged at the center of the darkroom base; the host comprises an ARM (Advanced RISC Machine), a liquid crystal screen, a high-pressure control module, a high-pressure module, a pulse reshaping module, a counting module and a light source control module which are connected by a control wire and a signal wire; the darkroom has a double-layer shell structure, namely, a shell is further arranged outside the darkroom; and a sealing structure is arranged at each joint of a detector in a matching way. The portable mineral age determinator has the advantages of being small in volume, light in weight and convenient for carrying.
Description
Technical field
The utility model relates to a kind of portable mineral dating instrument that specifically is applied to the dating of geology mineral sample.
Background technology
Just be meant the epoch that various geologic events take place on the earth geochron.It comprises two aspect implications: one is meant the sequencing that various places matter incident takes place, and is called relative geochron; Its two be meant that each geologic event takes place apart from age in this year owing to mainly be the utilization isotope technology, be called isotopic geological age (absolute geochronology).This two aspect combines, and just constitutes the complete understanding in epoch that geologic event and the earth, the earth's crust are developed.
Self character at the solid mineral crystal, it grows in the physical environment, the radiation that defective that produces in the crystal generative process and acquired environment bring it all can cause the lattice imperfection of its crystals, form free energy storage electronics, and be stored in these energy storage electronics in the crystal once the stimulation of external energy, will launch photon, adopt luminous energy to excite the method for mineral crystal just to be called light and release light.Light is released only a kind of phosphorescence, and under fixing light source and identical shooting conditions, the photon total amount of this phosphorescence is directly proportional with the total amount of energy storage electronics in the solid.Here it is, and light is released the theoretical foundation that optical tech is applied to geology mineral sample survey year.
Now, the commercialization instrument of geology mineral sample dating mostly is external product, costs an arm and a leg complicated operation and bulky.
Chinese patent application number: 201010148453, open day: 2010.08.05, wherein announced a kind ofly to be applied to the light that irradiated food detects and to release optical detector.This instrument comprises the darkroom, adopts light emitting diode (LED) annular lamp tube to carry out as light source, and a drawer type sample introduction platform is equipped with in the bottom, darkroom, is fixed with sample disc on the sample introduction platform.This utility model has characteristics such as volume is little, and detection speed is fast, and is simple to operate, need not pre-treatment, easy to carry.But its structure that adopts is released light-year for the determining instrument structure for comparatively general light, and only is applicable to that the irradiation dose of food detects.
Mineral samplers dating at present require its determining instrument volume little, in light weight, be easy to carry etc., and existing dating instrument can't satisfy its requirement.The utility model provides a kind of novel portable mineral dating instrument, and it is little, in light weight, simple to operate to have a volume, and characteristics such as be easy to carry.
The utility model content
The utility model wants cube little at geology mineral dating instrument, demand in light weight, portable, designed a kind of portable mineral dating instrument based on embedded microprocessor (ARM:Advanced RISC Machines is hereinafter to be referred as the ARM machine).
The utility model adopts following technical scheme:
The utility model comprises explorer and the main frame that connects by control line in described portable mineral dating instrument;
Described darkroom comprises the darkroom shell, the darkroom loam cake, the darkroom base, photomultiplier is fixed on the darkroom and covers, the front end of photomultiplier passes darkroom loam cake darkroom base central portion in the darkroom, be fixed with the detection optical filter before the photomultiplier, the darkroom base is provided with the excitation source that is subjected to host computer control, each organizes the lighting angle unanimity of excitation source, its spot center is positioned at mineral print center, be provided with dismountable box print support in darkroom base central authorities, the mineral print is placed on the box print support, and the center of mineral print and the center of photomultiplier align;
Described main frame comprises the ARM machine that is connected with signal wire by control line, liquid crystal display, high voltage control module, high-pressure modular, shaping pulse module, counting module, light source control module; ARM machine output high voltage control signal is connected to high voltage control module high voltage control module and is connected to high-pressure modular by control line, the output of high-pressure modular is connected to the testing photoelectronic multiplier tube in the explorer, described photomultiplier detects behind the photon output pulse signal shaping pulse module in the main frame, the shaping pulse module output signal is to counting module, and the ARM machine is connected with counting module by control line; ARM machine output light source control signal is to light source control module, and light source control module is connected to excitation source in the explorer by control line respectively; Liquid crystal display can be finished pulsed signal, the real-time demonstration of counting, release light curve and test data that the control of the switch of excitation source and photomultiplier, photomultiplier are passed back, release the light data storage, and it directly is connected with the ARM machine;
Described darkroom has double-layer shell structure, promptly also has shell outside the darkroom; Each interface of described explorer is equipped with hermetically-sealed construction.
Described in the utility modelly be equipped with hermetically-sealed construction at each interface of explorer and comprise, be provided with the rubber sealing structure between darkroom base and the darkroom loam cake: be provided with circular sealing colloid packing ring between darkroom loam cake and the darkroom base; Be provided with the rubber cushion hermetically-sealed construction between photomultiplier and the detection optical filter: between photomultiplier and detection optical filter, add the sealing colloid packing ring that is provided with circle.
The excitation source of host computer control that is subjected to described in the utility model adopts 4 groups, and every group of light source module is made of 10 light-emitting diode group.Described box print support comprises print cradling piece and print support casing.
ARM machine described in the utility model adopts its ingredient of ARM9 model to comprise central processing unit, data storage cell and data acquisition unit; It adopts central processing unit is that S3C2410AL-20 frequency of operation 203MHz, data acquisition unit are the above configuration of EPM7128 frequency of operation 100MHz.
Described in the utility model with the supporting high voltage control module of ARM machine, high-pressure modular, the shaping pulse module, counting module, the blue light control module, infrared control modules etc. all adopt conventional circuit design.
The utility model adopts liquid crystal display to finish light and releases the process control in flash ranging year and release light curve and the real-time demonstration of test data.The utility model disposes USB (universal serial bus) (being the USB mouth) on main frame.
The beneficial effects of the utility model are:
Compared with prior art, advantage of the present utility model is:
1. adopt double casing structure and many places that O-ring seal is set, improved the sealing in darkroom.
2. adopt simple ore thing print system, make the instrument volume little, in light weight.
3. exciter filter is housed and surveys optical filter, can divide exciting light and release light by active zone, improved the precision of releasing photodetection.
4. the print support adopts interchangeable case structure, has improved light and has released the efficient of light-year for test.
5. engine control system adopts the ARM machine, and operating system is WINCE, has improved arithmetic speed and precision, has alleviated instruments weight;
6. have the USB mouth on the ARM main control computer, make things convenient for the output of data.
7. the employing of liquid crystal display makes instrumentation simple, and can show in real time and release light curve and test data.
Description of drawings
Accompanying drawing 1 is the general structure synoptic diagram of the utility model embodiment;
Accompanying drawing 2 is the darkroom structural representation of the utility model embodiment;
Accompanying drawing 3 is the main machine structure synoptic diagram of the utility model embodiment;
Accompanying drawing 4 is the partial enlarged drawing of the packing washer 1 of the utility model embodiment;
Accompanying drawing 5 is the partial enlarged drawing of the packing washer 2 of the utility model embodiment;
Accompanying drawing 6 is positioned at the location drawing under the different operating state for the box print support of the utility model embodiment: state 1 is the state that the mineral print inserts the darkroom, the state when state 2 is installed for the mineral print;
Accompanying drawing 7 is the software workflow figure of the utility model embodiment;
Accompanying drawing 9 is the age computing module workflow diagram of the utility model embodiment.
Among the figure: 1. darkroom, 2. photomultiplier, 3. control line (), 4. control line (two), 5. main frame, 6. darkroom loam cake, 7. detection optical filter, 8. darkroom shell, 9. excitation source, 10. exciter filter, 11. the mineral print, 12. print supports, 13. darkroom bases, 14.ARM machine 15. liquid crystal displays, 16. the high voltage control module, 17. high-pressure modulars, 18. shaping pulse modules, 19. counting module, 20. light source control module, 21. packing washers, 1,22. packing washer 2,23. the print cradling piece, 24. print support casings.
Embodiment
As shown in Figure 1, a kind of portable mineral dating instrument of the utility model embodiment, it is by measuring mineral received radiation dose during very long burying, thereby determines its age.Present embodiment comprises two major parts: explorer and the main frame 5 be made up of darkroom 1 and photomultiplier 2; Connect by control line () 3 between photomultiplier 2 and the main frame 5 in the explorer, the electric pulse that the control signal of 5 pairs of photomultipliers 2 of main frame and photomultiplier 2 transform out is transmitted by control line () 3; Connect by control line (two) 4 between darkroom 1 and the main frame 5, the switch controlling signal of 5 pairs of excitation sources 9 of main frame is then by control line (two) 4 transmission.
As shown in Figure 2, the described darkroom 1 of present embodiment comprises darkroom shell 8, darkroom loam cake 6, darkroom base 13, photomultiplier 2 is fixed on the darkroom loam cake 6, the front end of photomultiplier 2 passes darkroom loam cake 6 base 13 central portions in darkroom in the darkroom, be fixed with before the photomultiplier 2 and survey optical filter 7, darkroom base 13 is provided with the excitation source 9 that is subjected to main frame 5 controls, each organizes the lighting angle unanimity of excitation source 9, its spot center is positioned at mineral print 11 centers, excitation source 9 front portions are provided with exciter filter 10, be provided with dismountable box print support 12 in darkroom base 13 central authorities, mineral print 11 is placed on the box print support 12, and the center of the center of mineral print 11 and photomultiplier 2 aligns;
Excitation source 9 comprises each 2 groups of blue light source and infrared light supplies, forms by 10 light emitting diodes for every group, during operate as normal, arrive the intensity of testing mineral prints (11) and be 89mW/cm2 (a little less than this intensity or be higher than this intensity all can).
As shown in Figure 3, main frame 5 comprises ARM machine 14, liquid crystal display 15, and high voltage control module 16, high-pressure modular 17, shaping pulse module 18, counting module 19, light source control module 20 is connected with signal wire by control line between them.The principle of work of main frame 5 is: at first send high voltage control signal by liquid crystal display 15, control by the power supply of 16 pairs of high-pressure modulars 17 of high voltage control module, and then control the output of its high pressure.After photomultiplier 2 adds high pressure, wait for half an hour, stable to it.And then send control signal by 15 pairs of light source control module 20 of liquid crystal display, and open excitation source 9, release optical excitation, photomultiplier 2 detects photon, changes into electric pulse, and electric pulse is input to shaping pulse module 18, amplify shaping, send into counting module 19 again and carry out step-by-step counting.The 14 same opening and closing of ARM machine by control signal gating pulse counting module 19.Introduce each module below respectively.
1. the ingredient of ARM machine 14:ARM machine 14 comprises central processing unit, data storage cell and data acquisition unit, adopts the operating system based on Windows CE.Its central processing unit is the little process chip of the high integration of SAMSUNG company, and model is S3C2410AL-20, frequency of operation 203MHz.Its data storage cell is two sdram memorys, and model is HY57V561620BT-H; A slice NandFlash storage chip, model are U-K9F1208UDM-YC80; A slice Nor Flash memory chip, model are 29VL800; The SD card that capacity is 1G; External 2 USB interface.Its data acquisition unit adopts a slice programmable chip, and model is EPM7128, and the maximum 100MHz of its frequency of operation is used for realizing the switch of high-speed data acquisition and gating pulse Shaping Module 18, high-pressure modular 17 and excitation source 9.If in the utility model, adopt the ARM machine of other types then its configuration adjusts accordingly, can adopt higher configuration.
2. the high voltage control module 16, with the little current controling signal that ARM machine 14 sends, adopt triode to carry out, and control the on/off of high-pressure modular 17 by the on-off function of triode under the different voltages, thereby control the duty of photomultiplier 2.
3. light source control module 20, with the little current controling signal that ARM machine 14 sends, adopt triode to carry out, and control the on/off of excitation source 9 by the on-off function of triode under the different voltages, thereby control the duty of photomultiplier 2.
4. high-pressure modular 17, and its supply voltage is 12V (by 18 controls of high voltage control module), and output voltage is 0-1500V, and output voltage values can be adjusted voluntarily by the adjustable resistance that module carries.
5. shaping pulse module 18, photomultiplier 2 is converted into electric pulse with the Light releasing photon that receives through multistage multiplication, pass electric pulse back main frame 5 by pulse transmission line again, shaping pulse module 18 at first adopts the two-stage transistor amplifier that pulse signal is amplified, adopt comparer MAX913 pulse signals to carry out shaping then, background signal is removed, then the square-wave signal that forms is imported the data acquisition module of ARM machine 14.
6. liquid crystal display 15, adopt touch-screen to finish light and release the setting of light initial parameter, and the switch control of photomultiplier 2 and excitation source 9 is released the real-time demonstration of light curve and test data, functions such as data storage.
As shown in Figure 4, added circular sealing colloid packing ring 21 between photomultiplier 2 and detection optical filter 7, central diameter is 33mm, and thickness is 1mm.
As shown in Figure 5, added circular sealing colloid packing ring 22 between darkroom loam cake 6 and darkroom base 13, central diameter is 66mm, and thickness is 2mm.
As shown in Figure 6, the utility model adopts simple ore thing print system and interchangeable box print support 12.This print supporting structure comprises that print cradling piece 23 and print support casing 24. mineral prints 11 are not positioned at state 2 when sending into darkroom 1, is positioned at state 1 after mineral print 11 is sent into darkroom 1.
As shown in Figure 7, the concrete workflow of portable mineral dating instrument is as follows: at first, mineral samplers 11 is positioned in the box sample holder 12, keep lucifuge state (being in state 2 shown in Figure 3), promote handle then print support 12 pushed in the darkroom 1 together with print 11, make mineral print 11 be positioned at photomultiplier 2 under (being in state 1 shown in Figure 3).Send control signal by touch-screen 15, at first open the photon counting function, this moment, photon count value should be 0, open the high pressure of photomultiplier 2 then, after waiting for half an hour behind photomultiplier 2 steady operations, the test natural background value. open 9 pairs of mineral samplers of excitation source then and excite, the photon that radiates is received by photomultiplier 2 by surveying optical filter 7 backs, and meanwhile exciting light then can be detected optical filter 7 and blocks.Photomultiplier 2 receives releases the multistage dynode system of light pulse by its inside and is converted into electric impulse signal, is returned to main frame 5.Each the module cooperative work of control system in the main frame 5, the dating data of these original mineral samples are stored, released the light curve demonstration and carry out further data processing, obtain the age data of mineral samplers, finish the mensuration in mineral age, also can raw data be derived, in other other processing of the enterprising line data of computing machine by USB flash disk.
The control application software of main frame is mainly used in to be measured and the data of gathering is carried out analyzing and processing sample, thereby obtains the age of sample.Program is made of parameter setting, data acquisition, age calculating, browsing data and data export function module.
1. parameter setting module, it is used for test and preserve the running software parameter, by this module the instrument acquisition time can be set, the radiation source type, α, β, γ unit's irradiation dose and counting modified value are called for other program module run duration.
2. data acquisition module is used for the original light classification of Data collection of releasing.
3. the age computing module is used for obtaining the dose,equivalent of mineral print by the dose,equivalent computing formula.
4. the browsing data module is used for browsing image data, has contrast and shows image data curve, derived curve figure and curve smoothing Presentation Function.
5. data derive module provides export to USB flash disk and deleted file function.
As shown in Figure 8, the workflow of data acquisition module is: at first select acquisition parameter, judge whether it is first print then, if not first print, provide so prompting " removing legacy data? " after respective handling is carried out in answer according to difference, then enter data acquisition, and if first print, so directly enter data acquisition, after data acquisition is finished, preserve collection result, inquire " gathering next print? " continue to gather if select, need to revise acquisition parameter, gather once more, otherwise EOP (end of program).
As shown in Figure 9, the workflow of age computing module is: at first calculate the area integral that light is released light curve, releasing light curve until the natural light of sample finishes with the area integral calculating that the light that adds different radiation dose is released light curve, calculate the equivalent annual dose of mineral samplers then according to the computing method of selected dose,equivalent, just can calculate the age of mineral again according to the year radiation dose value of known mineral samplers environment of living in, then EOP (end of program).
Compared with prior art, the utility model has the advantage of:
1. adopt double casing structure and many places that sealing ring is set, improved the sealing in darkroom.
2. adopt Within Monominerals print system, make the instrument volume little, in light weight.
3. exciter filter is housed respectively and surveys optical filter, effectively distinguish exciting light and sample is released light, improve and release the optical detection precision.
4. the print support adopts interchangeable case structure, has improved testing efficiency.
5. engine control system adopts the ARM machine, and operating system is WINCE, has alleviated instruments weight.
6.ARM have the USB mouth on the main control computer, make things convenient for the output of data.
7. the employing of liquid crystal display is so that instrumentation is simple, and can show in real time and release light curve and test data.
Claims (6)
1. a portable mineral dating instrument is characterized in that described portable mineral dating instrument comprises explorer and the main frame that connects by control line;
Described darkroom comprises the darkroom shell, the darkroom loam cake, and darkroom base, photomultiplier are fixed on the darkroom and cover, and the front end of photomultiplier passes darkroom loam cake darkroom base central portion in the darkroom, is fixed with the detection optical filter before the photomultiplier; The darkroom base is provided with the excitation source that is subjected to host computer control, and each organizes the lighting angle unanimity of excitation source, and its spot center is positioned at mineral print center, is fixed with exciter filter before the excitation source; Be provided with dismountable box print support in darkroom base central authorities, the mineral print is placed on the box print support, and the center of mineral print and the center of photomultiplier align;
Described main frame comprises the ARM machine that is connected with signal wire by control line, liquid crystal display, high voltage control module, high-pressure modular, shaping pulse module, counting module, light source control module; ARM machine output high voltage control signal is connected to high voltage control module high voltage control module and is connected to high-pressure modular by control line, the output of high-pressure modular is connected to the testing photoelectronic multiplier tube in the explorer, described photomultiplier detects behind the photon output pulse signal shaping pulse module in the main frame, the shaping pulse module output signal is to counting module, and the ARM machine is connected with counting module by control line; ARM machine output light source control signal is to light source control module, and light source control module is connected to excitation source in the explorer by control line respectively; Liquid crystal display can be finished pulsed signal, the real-time demonstration of counting, release light curve and test data that the control of the switch of excitation source and photomultiplier, photomultiplier are passed back, release the light data storage, and it directly is connected with the ARM machine;
Described darkroom has double-layer shell structure, promptly also has shell outside the darkroom; Each interface of described explorer is equipped with hermetically-sealed construction.
2. a kind of portable mineral dating instrument according to claim 1, it is characterized in that describedly being equipped with hermetically-sealed construction at each interface of explorer and comprising, be provided with the rubber sealing structure between darkroom base and the darkroom loam cake: be provided with circular sealing colloid packing ring between darkroom loam cake and the darkroom base; Be provided with the rubber cushion hermetically-sealed construction between photomultiplier and the detection optical filter: between photomultiplier and detection optical filter, add the sealing colloid packing ring that is provided with circle.
3. a kind of portable mineral dating instrument according to claim 1 is characterized in that the described excitation source of host computer control that is subjected to adopts 4 groups, and every group of light source module is made of 10 light-emitting diode group.
4. a kind of portable mineral dating instrument according to claim 1 is characterized in that described box print support comprises print cradling piece and print support casing.
5. a kind of portable mineral dating instrument according to claim 1 is characterized in that described ARM machine adopts its ingredient of ARM9 model to comprise central processing unit, data storage cell and data acquisition unit; It adopts central processing unit is that S3C2410AL-20 frequency of operation 203MHz, data acquisition unit are the above configuration of EPM7128 frequency of operation 100MHz.
6. a kind of portable mineral dating instrument according to claim 1, it is characterized in that disposing on main frame the USB (universal serial bus) mouth is the USB mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120071891 CN202002886U (en) | 2011-03-18 | 2011-03-18 | Portable mineral age determinator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120071891 CN202002886U (en) | 2011-03-18 | 2011-03-18 | Portable mineral age determinator |
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| CN202002886U true CN202002886U (en) | 2011-10-05 |
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| CN 201120071891 Expired - Fee Related CN202002886U (en) | 2011-03-18 | 2011-03-18 | Portable mineral age determinator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207461A (en) * | 2011-03-18 | 2011-10-05 | 石家庄经济学院 | Portable mineral age determinator |
| CN112857593A (en) * | 2021-02-07 | 2021-05-28 | 中国船舶重工集团公司第七一九研究所 | Simple darkroom |
-
2011
- 2011-03-18 CN CN 201120071891 patent/CN202002886U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207461A (en) * | 2011-03-18 | 2011-10-05 | 石家庄经济学院 | Portable mineral age determinator |
| CN112857593A (en) * | 2021-02-07 | 2021-05-28 | 中国船舶重工集团公司第七一九研究所 | Simple darkroom |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20140318 |