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Low-cost natural gemstone detection method and detection system thereof

A detection method and detection system technology, applied in measuring devices, testing jewelry, color/spectral characteristic measurement, etc., can solve problems such as difficult operation, inconvenient use, and difficult observation of absorption spectrum, so as to avoid errors and ensure consistency sexual effect

Inactive Publication Date: 2020-12-22
SHENZHEN FABLE JEWELRY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this detection method is simple and low in cost, it is limited to the size of the gemstone spectroscope, and it is difficult for the detection personnel to observe the absorption spectrum in the eyepiece, and the operation is difficult and inconvenient to use

Method used

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  • Low-cost natural gemstone detection method and detection system thereof
  • Low-cost natural gemstone detection method and detection system thereof
  • Low-cost natural gemstone detection method and detection system thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0044] Please refer to the attached Figure 1-3 , propose a kind of low-cost natural stone detection method in the embodiment of the present invention, this detection method comprises the steps:

[0045] Step S1, transmitting an incident light onto the gemstone sample 5, and receiving the light transmitted from the gemstone sample 5 through the gemstone spectroscope 3;

[0046] Step S2, collect the visible light absorption spectrum formed in the gemstone beamsplitter 3 through the CCD camera 4 coaxially arranged on the eyepiece side of the gemstone beamsplitter 3, and obtain the spectral image 41 of the gemstone sample 5;

[0047] Step S3, judging whether the gemstone sample 5 is a natural gemstone according to the acquired spectral image 41.

[0048] The present invention receives the transmitted light from the gemstone sample 5 by adopting the gemstone beamsplitter 3, the light is decomposed by the dispersion element in the gemstone beamsplitter 3, and projects a visible li...

Embodiment 2

[0072] Please refer to the attached Figure 4-5 , another low-cost natural gemstone detection method is proposed in the embodiment of the present invention, and the detection method includes the following steps:

[0073] Step S1', transmitting an incident light onto the gemstone sample 5, and receiving light reflected from the gemstone sample 5 through the gemstone spectroscope 3;

[0074] Step S2', collect the visible light absorption spectrum formed in the gemstone beamsplitter 3 through the CCD camera 4 coaxially arranged on the eyepiece side of the gemstone beamsplitter 3, and obtain the spectral image of the gemstone sample 5;

[0075] Step S3', judging whether the gemstone sample 5 is a natural gemstone according to the acquired spectral image.

[0076] In the embodiment of the present invention, the detection principle is the same as that in embodiment 1, all using gemstones containing various pigment ions (transition group elements, some rare elements, radioactive ele...

Embodiment 3

[0081] Please refer to the attached Figure 6 , In the embodiment of the present invention, a low-cost natural gemstone detection system is proposed, the detection system includes a light source, a carrying mechanism 2, a gemstone spectroscope 3, a CCD camera 4 and a microcomputer (not shown in the figure).

[0082] The light source comprises a top light source 11 and a bottom light source 12. The top light source 11 is located on the top of the gemstone sample 5. The bottom light source 12 is distributed on the peripheral side of the objective lens of the gemstone beam splitter 3. The top light source 11, the carrying hole, the bottom light source 12, and the gemstone beam splitter 3 1. The CCD camera 4 is arranged coaxially up and down in turn, and the output end of the CCD camera 4 is electrically connected with the input end of the microcomputer.

[0083] Wherein, both the top light source 11 and the bottom light source 12 are full-band light sources combined with multiple...

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Abstract

The invention discloses a low-cost natural gemstone detection method and a detection system thereof. The detection system comprises a light source, a bearing mechanism, a gemstone spectroscope, a CCDcamera and a microcomputer. The detection method comprises the following steps: transmitting incident light emitted by the light source to a gemstone sample, and receiving light transmitted or refracted from the gemstone sample through the gemstone spectroscope; collecting a spectrum formed in the gemstone spectroscope through the CCD camera so as to obtain a spectral image of the gemstone sample;and judging whether the gemstone sample is a natural gemstone or not by using the microcomputer according to the obtained spectral image. According to the invention, the gemstone spectroscope is adopted to receive the light transmitted or refracted from the gemstone sample, the light is decomposed by a dispersion element in the gemstone spectroscope, the visible light absorption spectrum is projected to an ocular lens of the gemstone spectroscope, and the visible light absorption spectrum is acquired by the CCD camera, so that whether the gemstone is a natural gemstone or not can be judged according to the absorption line or absorption band characteristics of the visible light absorption spectrum.

Description

technical field [0001] The invention relates to the technical field of gemstone detection, in particular to a low-cost natural gemstone detection method and a detection system thereof. Background technique [0002] Gemstone spectroscope is a device that uses dispersion elements (triangular prisms or gratings) to decompose white light into monochromatic light of different wavelengths and form a continuous visible light spectrum. It is mainly suitable for colored gemstones, colorless gemstones except zircon, diamond, Except for enstatite, there is no obvious absorption spectrum, and gemstones with typical spectra can be directly used as diagnostic identification features. [0003] The existing gemstone beamsplitter is mainly a hand-held beamsplitter. When using it, the inspector needs to hold the gemstone beamsplitter, put his eyes close to the eyepiece of the gemstone beamsplitter, align the objective lens of the gemstone beamsplitter with the gemstone on the light source, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/27G01N21/25G01N21/31G01N21/87
CPCG01N21/27G01N21/255G01N21/31G01N21/87G01N21/251
Inventor 徐思海陈品凡杨如顺陈步林
Owner SHENZHEN FABLE JEWELRY TECH