CN201497701U - Jewelry identification device - Google Patents
Jewelry identification device Download PDFInfo
- Publication number
- CN201497701U CN201497701U CN2009201935966U CN200920193596U CN201497701U CN 201497701 U CN201497701 U CN 201497701U CN 2009201935966 U CN2009201935966 U CN 2009201935966U CN 200920193596 U CN200920193596 U CN 200920193596U CN 201497701 U CN201497701 U CN 201497701U
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- integrating sphere
- light
- jewelry
- data processing
- testing instrument
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Abstract
The utility model discloses a jewelry identification device which comprises an integrating sphere, an optical fiber, a post light splitting system, a photoelectric detection array, an A/D conversion system and a data processing terminal, wherein the compound light emitted by the light source inside the integrating sphere is subjected to the multiple total reflections through the inner wall of the integrating sphere and then irradiated to a jewelry sample through the sampling port of the integrating sphere, the reflected and diffused light is received by the integrating sphere and then guided to the post light splitting system through the optical fiber mounted on the side edge of the integrating sphere, the light dispersed by the diffraction grating of the post light splitting system is recorded in sequence by the photoelectric detection array, and the photon information of the compound light is converted to the voltage value according to the wavelength sequence and then to form the real-time spectrum at the data processing terminal through the A/D conversion system. The jewelry identification device eliminates the monochrome scanning procedure, the mechanical light splitting procedure and the like, greatly improves the analysis and detection efficiency, shortens the full-spectrum scanning time from the minute level to the millisecond level, and has a small size. Besides, the jewelry identification device has no mechanical transmission device, thereby reducing the manufacturing cost and prolonging the service life, and is particularly applied to meet the need of rapid jewelry identification.
Description
Technical field:
The utility model relates to a kind of assessing instrument, especially relates to the spectrometer that a kind of applied spectroscopy principle is used to identify the jewelry true and false.
Background technology:
Current requirement to gemstone testing work is more and more higher, and along with the develop rapidly of jewelry people technology for making, the difficulty of gemstone testing work is also increasing.Gemstone testing has following five kinds of detection methods usually: 1, visual inspection identification method (color, form, gloss, cleavage etc.); 2, physical property Test Identification method (relative density, refractive index, hardness); 3, with crystal optics character be the polarizing microscope identification method of foundation; 4, chemical composition analysis method (chemical simple analysis, complete chemical analysis, electronic probe component analysis etc.); 5, crystal structure analysis method (X-ray diffraction analysis, Infrared spectroscopy, electron probe, Raman spectroscopy instrument, jewel spectroscope, ultraviolet spectrophotometer etc.).In the testing process of method 1,2,3, its analysis result needs the serious artificial experience that relies on, and interference caused by subjective factors is excessive, is unfavorable for forming the standard of the objective measurement jewelry true and false; The shortcoming of method 4 is that speed is slow, and damages sample through regular meeting, because the singularity of jewelry can not arbitrarily delineate, destroys, corrode, has been subjected to great limitation so chemical analysis method ground is used.In present gemstone testing, the modern large-scale instrument in the using method 5 is identified more, but at present in the method 5 institute generally the gemstone testing equipment of use all exist shortcomings such as equipment price costliness, analysis cost height, analysis speed be not fast.
And in traditional crystal structure analysis method large-scale instrument, using more is ultraviolet spectrophotometer, and also there is following problem in this equipment in measurement:
1, when the detection shape is not fixed the jewelry of (being commonly referred to conformal), incident ray all has reflected light at any direction of jewelry surface, and the light path of traditional ultraviolet spectrophotometer sampling system is fixed, object for conformal is difficult to guarantee catoptrical highly effective gathering, so exist uncertain for the sample measurement of conformal.
2, traditional ultraviolet spectrophotometer all adopts preposition beam split, and promptly the complex light sent of light source becomes monochromatic light after by beam splitter, monochromator beam split and projects on the sample, passes through the optical detection device recorded information then.In order to realize the continuous recording of shading value under the different wave length, just need and adjust by the mechanical hook-up rotation, if will guarantee that wavelength resolution just needs to sacrifice sweep time, measuring speed is very slow, efficient is very low.Simultaneously, owing to adopted the precision optical machinery whirligig, existing surveying instrument causes the instrument complex process, involves great expense the requirement height of debugging and installation.This surveying instrument obviously can not adapt to the development trend that current jewelry detects industry fully.
The utility model content:
The purpose of this utility model is the deficiency that exists at prior art and a kind of gemstone testing instrument is provided, can not only make things convenient for, the sample to conformal detects accurately, and test speed is exceedingly fast, and can reach Millisecond, simultaneously, this operation of equipment is simple, do not have mechanical driving part, equipment cost is low, and the life-span is long, volume is little, is fit to very much at present jewelry be identified fast and effectively.
Technology solution of the present utility model is as follows:
A kind of gemstone testing instrument comprises integrating sphere, light transmitting fiber, rearmounted beam splitting system, photoelectronic detecting array, A/D conversion system, data processing terminal; The light source that is fixed in the integrating sphere sends the inwall repeatedly total reflection of complex light through integrating sphere, shines on the jewelry sample through the integrating sphere thief hatch; Integrating sphere receives reflection, irreflexive light after the light transmitting fiber that the integrating sphere side is installed imports rearmounted beam splitting system; Light after the chromatic dispersion of rearmounted beam splitting system diffraction grating is by photoelectronic detecting array record in regular turn; The photon information of complex light is converted to magnitude of voltage after A/D conversion system forms real-time spectrogram at data processing terminal according to the wavelength order.
Described gemstone testing instrument, integrating sphere is provided with light source interface.
Described gemstone testing instrument, the integrating sphere thief hatch is provided with high transmittance film.
Described gemstone testing instrument, integrating sphere is provided with the light trapping switch.
Described gemstone testing instrument, data processing terminal are robot calculator (PC) or other data processing equipments.
The beneficial effects of the utility model are:
The utility model changes preposition beam splitting system into rearmounted beam splitting system, become " detecting after the beam split " and be " detecting the back beam split ", promptly earlier excite jewelry sample to be measured with the complex light all band, obtain " full light " information of user-selected wavelength coverage, the linear photoconductor detection array of sampling then based on high-quality diffraction grating is recorded as spectrum in regular turn; Eliminated steps such as monochromatic scanning, mechanical beam split, greatly improved analytical test efficient, composed sweep time entirely and reduce to Millisecond from classification, volume is little; And do not have mechanical driving device, and cost is low, and the life-span is long, is more suitable for the needs of present jewelry fast detecting.
The utility model integrating sphere is provided with light source interface, radiant light that can external special source, standard fiber connector by the integrating sphere side is coupled into integrating sphere inside, forms composite light source and measures, and can satisfy the detection needs of how different jewelry samples.
The utility model integrating sphere thief hatch is provided with high transmittance film, can place very little and jewelry sample conformal easily, thereby and high transmittance film does not influence the percent of pass of light and can obtain good light reflecting effect.Can bring the angle with 180 ° together at the integrating sphere thief hatch and gather reflected light after the jewelry sample surfaces is stimulated, satisfy the measurement requirement of the surface reflection of diversified, nontransparent (artificial imitation stone), complicated (conformal) sample.
The utility model integrating sphere is provided with the light trapping switch, can open or close fibre-optic connectivity port according to actual conditions and shield or keep specular light, thereby guarantee the parasitic light minimum introduced in the handoff procedure of external light source and two kinds of metering systems of built-in light source.
Description of drawings:
Below in conjunction with accompanying drawing the utility model is described further:
Fig. 1 is a light path principle synoptic diagram of the present utility model;
Fig. 2 is the utility model apparatus structure synoptic diagram.
Embodiment:
See shown in the accompanying drawing 2: a kind of gemstone testing instrument comprises integrating sphere 1, light transmitting fiber 4, rearmounted beam splitting system 6, photoelectronic detecting array 7, A/D conversion system 8, data processing terminal 9; The light source 2 that is fixed in the integrating sphere 1 sends the inwall repeatedly total reflection of complex light through integrating sphere 1, shines on the jewelry sample 3 through integrating sphere thief hatch 11; Integrating sphere 1 receives reflection, irreflexive light after the light transmitting fiber 4 that the integrating sphere side is installed imports rearmounted beam splitting system 6; Light after the rearmounted beam splitting system 6 diffraction grating chromatic dispersions is by photoelectronic detecting array 7 record in regular turn; The photon information of complex light is converted to magnitude of voltage according to the wavelength order after A/D conversion system 8 forms real-time spectrogram 9 at data processing terminal.After obtaining the ultraviolet of jewelry sample, visible or near infrared and part Infrared Reflective Spectra figure,, just can science determine the true and false of jewelry sample quickly and accurately by pairing characteristic absorption peak of jewel or absorption band in the comparison reflected light collection of illustrative plates.
Described gemstone testing instrument, integrating sphere 1 is provided with light source interface 12.
Described gemstone testing instrument, integrating sphere thief hatch 11 is provided with high transmittance film.
Described gemstone testing instrument, integrating sphere 1 is provided with light trapping switch 5.
Described gemstone testing instrument, data processing terminal 9 are robot calculator (PC) or other data processing equipments.
In the utility model, the wavelength coverage of integrating sphere 1 built-in light source 2 is 360-2500nm, can external wavelength coverage be the light source of 200-10000nm also by light source interface 12 simultaneously, even the light source of bigger wavelength coverage.Can select as required in the testing process can guarantee in the 200-10000nm wavelength coverage, all might measure with built-in light source or external light source or composite light source.Present device mainly uses the 200-1100nm wavelength coverage, can select different measurement light source for use according to the characteristic absorption spectrum of different jewelry easily like this.Illuminator can need be selected according to detecting, as selecting deuterium lamp, halogen tungsten lamp, deuterium-halogen tungsten combination balancing light source as light source.
Claims (5)
1. a gemstone testing instrument comprises integrating sphere (1), light transmitting fiber (4), rearmounted beam splitting system (6), photoelectronic detecting array (7), A/D conversion system (8), data processing terminal (9); It is characterized in that: the light source (2) that is fixed in the integrating sphere (1) sends the inwall repeatedly total reflection of complex light through integrating sphere (1), shines on the jewelry sample (3) through integrating sphere thief hatch (11); Integrating sphere (1) receives reflection, irreflexive light after the light transmitting fiber (4) that integrating sphere (1) side is installed imports rearmounted beam splitting system (6); Light after rearmounted beam splitting system (6) the diffraction grating chromatic dispersion is by photoelectronic detecting array (7) record in regular turn; The photon information of complex light is converted to magnitude of voltage according to the wavelength order after A/D conversion system (8) forms real-time spectrogram at data processing terminal (9).
2. gemstone testing instrument according to claim 1 is characterized in that: integrating sphere (1) is provided with light source interface (12).
3. gemstone testing instrument according to claim 1 is characterized in that: integrating sphere thief hatch (11) is provided with high transmittance film.
4. gemstone testing instrument according to claim 1 is characterized in that: integrating sphere (1) is provided with light trapping switch (5).
5. gemstone testing instrument according to claim 1 is characterized in that: data processing terminal (9) is a robot calculator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201935966U CN201497701U (en) | 2009-08-28 | 2009-08-28 | Jewelry identification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201935966U CN201497701U (en) | 2009-08-28 | 2009-08-28 | Jewelry identification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201497701U true CN201497701U (en) | 2010-06-02 |
Family
ID=42440905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201935966U Ceased CN201497701U (en) | 2009-08-28 | 2009-08-28 | Jewelry identification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201497701U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967604A (en) * | 2012-11-06 | 2013-03-13 | 广州标旗电子科技有限公司 | Reflectance spectrum measuring and sampling system and method used for jewel detection |
| CN103439266A (en) * | 2013-08-26 | 2013-12-11 | 广东省珠宝玉石及贵金属检测中心 | Identification and analysis system for jewelry jade and rock minerals |
| WO2020177631A1 (en) * | 2019-03-01 | 2020-09-10 | Goldway Technology Limited | System for ascertaining optical characteristics of gemstone |
-
2009
- 2009-08-28 CN CN2009201935966U patent/CN201497701U/en not_active Ceased
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967604A (en) * | 2012-11-06 | 2013-03-13 | 广州标旗电子科技有限公司 | Reflectance spectrum measuring and sampling system and method used for jewel detection |
| CN103439266A (en) * | 2013-08-26 | 2013-12-11 | 广东省珠宝玉石及贵金属检测中心 | Identification and analysis system for jewelry jade and rock minerals |
| WO2020177631A1 (en) * | 2019-03-01 | 2020-09-10 | Goldway Technology Limited | System for ascertaining optical characteristics of gemstone |
| US11467101B2 (en) | 2019-03-01 | 2022-10-11 | Goldway Technology Limited | System for ascertaining optical characteristics of gemstone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20180608 Decision number of declaring invalidation: 36199 Granted publication date: 20100602 |
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| IW01 | Full invalidation of patent right |