CN210665462U - Flexible device for rapidly screening diamonds and diamond detection device - Google Patents

Abstract

The utility model discloses a flexible device and diamond detection device for diamond filters fast, the flexible device is the flexible device of no fluorescence basically under the ultraviolet, and its surperficial non-white basement, and the sample that awaits measuring directly places and carries out phosphorescence or fluorescence detection on the flexible device. The utility model discloses the advantage as follows: the flexible device is used as a sample bearing object, so that the fluorescence interference caused by an original white substrate can be better avoided during fluorescence detection. The position identification with the fluorescence reaction is adopted, so that clearer imaging can be carried out, and suspected diamonds can be found out more easily. Cover one deck dull polish film on it, can reduce the diamond sample to the surperficial wearing and tearing of the flexible device after flexible device and the processing, the film of dull polish material can further avoid light source specular reflection's interference simultaneously, has improved convenience and accuracy for the diamond of prescreening in question.

Description

Flexible device for rapidly screening diamonds and diamond detection device

Technical Field

The utility model relates to a diamond detection area, concretely relates to a diamond detection device that is used for flexible device of diamond quick screening and contains this flexible device that is used for diamond quick screening.

Background

The synthetic diamond and the natural diamond are distinguished only by naked eyes, the accuracy is low, instruments are needed, and the optical instrument is high in detection accuracy and high in detection speed, so that the synthetic diamond and the natural diamond are the most widely applied detection modes in the market at present.

The diamond has the characteristic of fluorescence reaction, and the fluorescence reaction of different diamonds has obvious color and intensity difference, so that the diamond can be preliminarily judged according to the intensity and the color of the fluorescence under the irradiation of an ultraviolet lamp.

Some diamonds may also have a phosphorescent response. The diamond is capable of exciting blue visible fluorescence of varying intensity when subjected to continued exposure to ultraviolet radiation, and is capable of phosphorescence when the ultraviolet radiation is removed.

For the detection of diamonds with larger particles, the existing detection technical means can achieve better detection effect, but for broken diamonds, the quantity is large, the batch is large, and the effective discrimination cannot be realized.

The method aims at the broken diamonds, synchronous screening is carried out through phosphor light and fluorescence at present, the mode that the type or the truth of the diamond is the most reliable spectrum is distinguished from two light sources, because the ultraviolet fluorescence light-emitting pattern and the phosphorescence pattern of natural diamonds and synthetic diamonds are obviously different, the diamond is excited to emit light through the built-in light source of the instrument, the fluorescence and phosphorescence images of a detected sample are shot and recorded, and then the analysis is carried out according to the recorded images, the diamonds with problems or even specific positions can be found out, so that the suspicious diamonds can be preliminarily screened.

The applicant's jewelry luminescence imaging analyzer is this type of detection device.

However, in the prior art, it is found that a better resolution can be achieved under phosphorescence, but in fluorescence, since the background of the current fluorescence imaging is a white substrate without fluorescence reaction (as shown in fig. 3, which indicates that a general fluorescence-free paper on the market is pure white), when illumination is performed, the color of the white substrate still interferes with the discrimination of the diamond emitting weak fluorescence, and the commercially available fluorescence-free paper cannot achieve 100% fluorescence, so that when fluorescence comparison is performed, a resolution is unclear, and erroneous or erroneous determination may be caused on primary determination.

Aiming at the problems, the design that a glass plate is arranged at a certain distance on a sample bearing table simultaneously exists in the prior art, diamonds are placed on the glass plate, a light source irradiates on the glass plate, imaging is carried out on a substrate, and light emitting judgment is further carried out, but due to the defect of the smooth surface of glass, the diamonds are not easy to select, and the operability is poor; and the portability and spatial design of the instrument are limited due to the height of the glass plate and the distance of the glass plate from the substrate.

Disclosure of Invention

In order to solve the problem, the utility model provides a flexible device for rapidly screening diamonds.

The utility model discloses still provide simultaneously and contain this diamond detection device that is used for the flexible installation of diamond quick screening.

In order to realize the technical purpose, the utility model discloses a scheme is:

a flexible device for rapidly screening diamonds is a flexible device which basically does not have fluorescence under ultraviolet, the surface of the flexible device is not a white substrate, and a sample to be tested is directly placed on the flexible device to carry out imaging detection on phosphorescence or fluorescence.

The term "said flexible device is a flexible device substantially non-fluorescent under uv light" as defined above, and the term "substantially" is meant to have the following meanings and ranges:

in contrast to the color interference inherent in the commercially available white substrates, the flexible devices can substantially overcome the color interference under fluorescence, e.g., to enable identification of at least a portion or a large number of otherwise unrecognizable weakly fluorescent samples.

Further, on the basis, the optimal scheme is as follows: the flexible device can completely (100%) avoid the interference of the background color to the fluorescence detection.

The above white substrate represents the meaning: most or all of the underlying color of the substrate carrying the sample is white, and the color itself can interfere with fluorescence detection.

The utility model provides a flexible device is the fluorescence or phosphorescence operation process who carries out the diamond detection, bears the part of the sample that awaits measuring.

Preferably, the surface of the flexible device is a black matrix.

The meaning of the black background mentioned in the utility model is as follows:

the black part in the black matrix does not reflect light rays of any color, and absorbs all light rays in the spectrum, so that the surface of the flexible device is set to be black, and then the light rays are not emitted or reflected, and when fluorescence irradiation imaging is carried out, background interference caused by the white matrix is avoided, and visual misjudgment of the original sample to be detected emitting weak fluorescence is avoided.

In addition, pure black matrix is the utility model discloses comparatively preferred scheme to it changes in the material to be measured of distinguishing weak fluorescence to be convenient for the naked eye. On the basis of the pure black matrix, the purity of black can be appropriately reduced and a certain effect can be achieved.

Preferably, the flexible device is provided with a position mark, the position mark is arranged on the flexible device, and the position mark has a fluorescent reaction (namely, fluorescence exists) under ultraviolet light.

The position mark has a fluorescence reaction under ultraviolet light, and can be positioned when carrying out fluorescence irradiation, so that the position of the diamond can be conveniently found out.

Preferably, the location identity comprises an identity that can be formed by a point, a line or a combination of both.

Preferably, the position mark is a grid formed by line segments, and a mark is arranged in the grid and used for marking the position of the grid.

Preferably, the label is fluorescent under ultraviolet light. Like the position sign, when carrying out fluorescence and shining, can fix a position, conveniently find out the diamond position.

On the basis of the position identification, the mark is added, the position of the sample to be detected can be known more clearly, the mark can be a letter or any other similar representation, the position of the sample to be detected can be actually reflected, and the operation and the recognition are convenient.

Further, the processing manner of the position identification and the mark on the flexible device can be one or more of the following manners:

the first method comprises the following steps: planning position marks and marks on the existing white substrate, then covering the position marks and the mark positions, and carrying out blackening treatment on the rest parts, wherein the blackening treatment can be realized by adopting the existing modes such as laser engraving, laser printing, spraying and the like;

as mentioned above, in the existing diamond detection device, the sample substrate is usually white, and the white substrate itself interferes with color resolution, so that the black processing is performed on the white substrate in the prior art, and the position mark and the mark with fluorescence effect are reserved, thereby overcoming the adverse effect of the substrate caused by white or other similar white colors, and simultaneously clearly identifying the position information.

Secondly, the surface of the flexible device with the black matrix is directly utilized, and in addition, the position mark and the mark with the fluorescent reaction effect are added, and the fluorescent processing mode can be carried out by adopting the prior art.

In addition, in the process of the fluorescence treatment, the effect of the fluorescence reaction is not strictly limited, and only the position mark and the mark can be displayed under the irradiation of ultraviolet light.

Preferably, the flexible device surface is covered with a light-transmissive film.

Preferably, the light-transmitting film is a flexible frosted film.

Directly place the sample that awaits measuring on the blackbottom, because the sample that awaits measuring is the material that has certain hardness, and during the instrument of the sample that awaits measuring of operation, also possess certain dynamics usually, above sample itself or when operating, all can lead to the fact the damage to flexible device itself, make its effect reduce or even lose the effect, consequently, set up the protection part on the flexible device, can protect the flexible device simultaneously on not influencing its fluorescence imaging basis.

Further, the frosted film can further avoid the interference of light source mirror reflection, and the accuracy of the diamond sample suspected for preliminary screening is improved.

More preferably, the flexible means is a substrate of paper material. As an optimal presentation, a paper sample placement substrate facilitates both handling and various treatments (laser, etc.).

Better results can also be achieved with substrates made of plastic or lint materials, etc.

The utility model discloses protect a diamond detection device simultaneously contains a flexible installation for the quick screening of diamond.

Further, the diamond detection device comprises a light-emitting source, a camera module and a box body, wherein the light-emitting source is arranged on one side of the middle of the box body, a light splitting module is arranged on one side of the light-emitting source, the camera module for shooting and recording is arranged on one side of the light splitting module, a sample table is arranged below the light splitting module, a flexible device is placed on the sample table, and a box door is further arranged on the side surface of the box body; the sample to be tested is placed on the flexible device.

Preferably, a heat dissipation fan is disposed at one side of the light emitting source.

Preferably, a slide rail is arranged between the sample table and the box body, the box door is opened, and the sample table slides out or in from the side surface of the box body.

Preferably, the camera module is also electrically connected to a computer for image processing.

Preferably, the light source comprises a visible light-containing light source and an ultraviolet light source.

Preferably, the visible light source is a xenon lamp or a deuterium lamp, and the ultraviolet light source is a light source with the wavelength of 220-250 nm.

Preferably, the light splitting module is a high-pass dichroic mirror.

Preferably, the light splitting module is a low-pass dichroic mirror.

Preferably, a condenser lens is installed at the front end of the light-emitting source.

The diamond detection device can obtain parallel light rays through the condenser lens, and then the light wave with the short wavelength is emitted to the sample by adopting the light splitting module, so that the interference of visible light to phosphorescence and fluorescence is reduced, the sample can be effectively ensured to be uniformly irradiated, and meanwhile, the camera module is arranged, so that the photographing is more accurate; meanwhile, a plurality of diamonds can be screened simultaneously, so that the inspection efficiency can be greatly improved, and the screening cost can be reduced; the screening method is suitable for rapid detection of diamonds in various states, batch non-inlaid diamonds can be obtained, inlaid diamonds can also be obtained, diamonds with 0.001ct can be measured at minimum, diamonds with any shape can be measured, and the application range is wide; meanwhile, the fluorescence imaging image contrast is adopted, so that the screening accuracy can be improved, and the misjudgment probability can be reduced.

Compared with the prior art, the utility model discloses possess following advantage and beneficial effect:

1. the non-white flexible device which basically has no fluorescence under ultraviolet is used as a sample bearing object, so that the fluorescence interference caused by an original pure white substrate can be better avoided during fluorescence detection.

2. The position identification and the mark with the fluorescence reaction are adopted, so that clearer imaging can be performed, and suspected diamonds can be found out more easily.

3. The film of one deck dull polish material covers on the flexible mounting, can reduce diamond sample to the wearing and tearing of the black material or fluorescent material on flexible mounting and the flexible mounting, and the film of dull polish material can further avoid light source specular reflection's interference simultaneously, has improved convenience and accuracy for the diamond of prescreening in question.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a partial structure of the present invention.

Fig. 3 shows a sample placement material in the prior art.

Fig. 4 is a schematic structural diagram of the flexible device provided by the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

By way of example, the diamond detection device of the applicant is shown in fig. 1-2, a specific embodiment is a diamond detection device, including light emitting source 1, camera module 2, box 3 middle part is provided with a fixed plate 4, fixed plate 4 one side at box 3 middle part is provided with light emitting source 1, light emitting source 1 one side is provided with one or more spectral module 5 that are used for emitting light, spectral module 5 top is provided with camera module 2 that is used for shooing the record perpendicularly, spectral module 5 below is provided with sample platform 7, fixed plate 4 middle part is hollow out construction, and light can pass hollow out construction, and hollow out construction is corresponding with sample platform 7, sample 8 has been placed on sample platform 7, the side of box 3 still is provided with the chamber door.

In order to ensure the stable operation of the light source, a heat dissipation fan 11 is disposed on one side of the light source 1.

In order to place a sample conveniently, a slide rail 12 is arranged between the sample table 7 and the box body 3, and when the box door is opened, the sample table slides out or in from the side surface of the box body. When the device is used, the test can be started only by opening the box door to push the sample platform with the sample in place into the box body.

In order to facilitate the processing of the image data, the camera module 2 is also electrically connected to a computer 13 for image processing. And the computer for image processing is used for carrying out random combination and superposition display on the diamond distribution image, the fluorescence luminous image and the phosphorescence luminous image.

In order to simultaneously acquire fluorescence and phosphorescence images, the luminescent light source 1 includes a visible light-containing light source and an ultraviolet light source. The visible light source is a xenon lamp or a deuterium lamp, and the ultraviolet light source is a light source with the wavelength of 220-250 nm.

As shown in fig. 2, when the dichroic module adopts a high-pass dichroic mirror, the light source is horizontally arranged, the camera module is vertically arranged above the sample, the high-pass dichroic mirror is characterized in that the wavelength is transmitted and the short wavelength is reflected, i.e. the ultraviolet light wave band is reflected and then emitted to the sample downwards, the visible light wave band is transmitted through the dichroic mirror, and the fluorescence or phosphorescence of the sample belongs to visible light, so that the fluorescence or phosphorescence can be transmitted through the dichroic mirror to the camera module in the opposite direction.

When the light splitting module adopts the low-pass dichroic mirror, the light source is vertically arranged, the camera module is horizontally arranged on one side of the light splitting module, and the low-pass dichroic mirror is characterized in that short wavelength is transmitted and long wavelength is reflected, namely ultraviolet rays are vertically incident and then directly pass through the dichroic mirror, and after the ultraviolet rays irradiate a sample, fluorescence or phosphorescence of the sample belongs to visible light and reaches the dichroic mirror along the opposite direction and then is reflected to the camera module.

As shown in fig. 2, taking a high-pass dichroic mirror as an example of the light splitting module, when the device is used, a sample is horizontally placed on a sample stage, a door is closed, light of a light source is focused by a condenser lens and horizontally collimated and then emitted to the surface of the light splitting module, the light splitting module reflects light wave horizontal light with a wavelength to the sample, the sample excites fluorescence and phosphorescence by absorbing the light, the fluorescence and phosphorescence are shot and recorded by a camera module through the light splitting module, and a diamond distribution map, a fluorescence light-emitting image and a phosphorescence light-emitting image are shot by controlling the on-off time sequence of the light source. Specifically, the imaging is explained by irradiating with a visible light source and taking a picture to obtain a basic imaging graph; turning off the ultraviolet light source after the ultraviolet light source irradiates for a period of time, and taking a picture to obtain a phosphorescence map; and (4) continuously irradiating by using only an ultraviolet light source, and photographing to obtain a fluorescence image. The abnormal diamonds mixed in the broken diamonds can be rapidly and preliminarily checked in batches by comparing a basic imaging graph, a phosphorescence graph and a fluorescence graph.

In order to obtain better parallel light, the front end of the luminous light source 1 is provided with a condenser lens 6. If the laser is adopted, because the collimation of the laser is better, a condenser lens can not be used; when the light source is a divergent light source, a condenser lens is required to focus to obtain better horizontal light.

The device can obtain parallel light rays through the condenser lens, and then the light wave with the short wavelength is emitted to the sample by adopting the light splitting module, so that the interference of visible light to phosphorescence and fluorescence is avoided, meanwhile, the sample can be effectively ensured to be vertically and uniformly irradiated, and meanwhile, the camera module is arranged, so that the photographing is more accurate; meanwhile, a plurality of diamonds can be screened simultaneously, so that the inspection efficiency can be greatly improved, and the screening cost can be reduced; the screening method is suitable for rapid detection of diamonds in various states, batch non-inlaid diamonds can be obtained, inlaid diamonds can also be obtained, diamonds with 0.001ct can be measured at minimum, diamonds with any shape can be measured, and the application range is wide; meanwhile, the fluorescence imaging image contrast is adopted, so that the screening accuracy can be improved, and the misjudgment probability can be reduced.

As shown in fig. 4, in order to identify the sample on the sample stage, a sample paper 10 (corresponding to the flexible device mentioned in the claims of the present invention) is disposed on the sample stage 7.

The sample paper 10 is pure black-bottom sample paper, and a sample to be detected is directly placed on the pure black-bottom sample paper 10 to perform phosphorescence or fluorescence imaging detection.

The sample paper with the pure black bottom is adopted, so that the color interference influence of white bottom non-fluorescent paper in the prior art is avoided, and the identification of the weakly luminous object to be detected is clearer.

The sample paper is provided with a position mark, the position mark is arranged on the surface of the sample paper, and the position mark has certain fluorescent reaction under ultraviolet light.

The above-mentioned fluorescent treatment can be carried out by using a conventional technique such as laser printing or the like. Can also be directly obtained by using a commercial channel.

The location identity includes an identity that can be formed by a point, a line, or a combination of both.

One way in which the identification is clear is: the position mark is a grid formed by line segments, and marks are arranged in the grid and used for marking the position of the grid.

When a plurality of bits of broken bits are tested at one time, the positions of the pictures before and after each bit of broken bits need to be distinguished through position identification and marks, so that the accurate positioning is convenient, and abnormal bits of broken bits can be picked up conveniently in the later stage.

Meanwhile, the surface of the sample paper can be covered with a light-transmitting film.

Further, the light-transmitting film is a flexible light-transmitting cover film.

Further, the light-transmitting film is a flexible frosted film.

The flexible frosted film is easy to obtain on the market, the flexible frosted film is loaded on the surface of the sample paper, the loading mode can be carried out by adopting the prior art, for example, laser laminating, direct pasting of a coating film and the like, the arrangement of the film can protect a black substrate and a fluorescence area on the sample paper, and on the other hand, the interference of specular reflection of a light source can be avoided.

In addition, the flexible device (the flexibility is relative to the hardness of the diamond) can also be made of soft plastic or natural and synthetic cloth components (such as flannelette and the like), the hardness is relatively low, the diamond can not be damaged, the position of the diamond can be conveniently selected, the diamond cannot easily slide out and fall off, and the operability is good.

The utility model discloses an above-mentioned detection device signals, and in fact, the device that the bearing article that need use sample paper or other devices carry out the detection all can adopt the utility model discloses the scheme that mentions goes on, because this flexible installation does not need the connection of electric property or other routes, only needs the shining of fluorescence or phosphorescence, consequently, other devices can adopt above-mentioned flexible installation equally.

Furthermore, the utility model provides a flexible device is particularly useful for garrulous detection of boring or a large amount of diamond samples, and the location is accurate, and fluorescence and phosphorescence's detection is distinguished more accurately.

The above, only do the preferred embodiment of the present invention, not used to limit the present invention, all the technical matters of the present invention should be included in the protection scope of the present invention for any slight modification, equivalent replacement and improvement of the above embodiments.

It should be noted that the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that the technical solutions described in the foregoing embodiments may be modified or some technical features may be equivalently replaced. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A flexible device for rapidly screening diamonds is characterized in that the flexible device is basically non-fluorescent under ultraviolet, the flexible device is a flexible device with a non-white substrate, and a sample to be tested is directly placed on the flexible device to perform imaging detection on phosphorescence or fluorescence.

2. The flexible apparatus of claim 1, wherein the surface of the flexible apparatus is a black matrix.

3. The flexible apparatus of claim 1, wherein the flexible apparatus is provided with raised position markers, and the position markers have fluorescence response under ultraviolet light.

4. The flexible apparatus of claim 3 wherein the location marks are protrusions staggered in the horizontal and vertical directions.

5. The flexible apparatus of claim 1, wherein the surface of the flexible apparatus is covered with a transparent film.

6. The flexible apparatus of claim 5 wherein the light transparent film is a flexible frosted film.

7. The flexible apparatus for rapid screening of diamonds according to any one of claims 1 to 6, wherein said flexible apparatus is a substrate of a paper, plastic or flannelette apparatus.

8. A diamond inspection apparatus comprising the flexible apparatus of claim 1 for rapid diamond screening.

9. The diamond detection device according to claim 8, wherein the diamond detection device comprises a light emitting source, a camera module and a box body, wherein the light emitting source is arranged on one side of the middle part of the box body, the light splitting module is arranged on one side of the light emitting source, the camera module for shooting and recording is arranged on one side of the light splitting module, a sample table is arranged below the light splitting module, a flexible device is placed on the sample table, and a box door is further arranged on the side surface of the box body; the sample to be tested is placed on the flexible device.

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