Pearl detection equipment based on fluorescence spectrum

Abstract

The utility model relates to the field of pearl detection equipment, and discloses pearl detection equipment based on fluorescence spectrum, which comprises an equipment main body, a detection bin is arranged on the right side of the front of the equipment main body, rail grooves are respectively arranged on the left inner wall and the right inner wall of the detection bin, sliding frames are connected in the rail grooves in a sliding manner, and a supporting plate is arranged between the two sliding frames. A driving motor is arranged on the support, the output end of the driving motor penetrates through the supporting plate and is detachably provided with a placement disc, a plurality of pearl placement tables are uniformly arranged above the placement disc, a fluorescence spectrum processing assembly is arranged above the detection bin, and a fluorescence light source and a spectrum detection piece are arranged on the inner side of the upper portion of the detection bin; the fluorescent light source and the spectrum detection piece correspond to the position of the pearl placement table in front, an arc groove is formed in the pearl placement table, a cushion layer is arranged on the arc groove, a cover plate is arranged in front of the two sliding frames and the supporting plate and matched with a bin opening of the detection bin, a sealing gasket is arranged on the outer side of the cover plate, and the pearl detection device can continuously detect a plurality of pearls.

Description

Technical Field

[0001] The utility model relates to the technical field of pearl detection equipment, in particular to a pearl detection equipment based on fluorescence spectrum. Background Art

[0002] With the continuous development of society, people are no longer satisfied with basic materials, but are pursuing consumption for enjoyment. As a major direction of consumption for enjoyment, the pearl jewelry industry has attracted much attention for its pearl color and quality.

[0003] At present, the common pearls on the market are mixed with fakes and difficult to distinguish between the real and the fake. Workers often use fluorescent spectrum pearl testing equipment to test pearls. Generally, when the pearl testing equipment is used, the pearl to be tested is usually placed in the testing equipment. After the pearl is analyzed by fluorescence, the tested pearl is taken out, and then the next pearl to be tested is placed in the pearl testing equipment for analysis. Such operation makes it inconvenient for the pearl testing equipment to continuously test multiple pearls, resulting in low efficiency of pearl fluorescence spectrum detection. Therefore, we propose a pearl testing equipment based on fluorescence spectroscopy. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a pearl detection device based on fluorescence spectroscopy, which solves the problems mentioned in the above background.

[0005] The utility model provides the following technical solutions: The utility model discloses a pearl detection device based on fluorescence spectroscopy, including a device body, a detection chamber is arranged on the front right side of the device body, rail grooves are respectively opened on the left and right inner walls of the detection chamber, the longitudinal section of the rail groove is T-shaped, a slide is slidably connected in the rail groove, a support plate is arranged between two of the slides, a bracket is arranged below the support plate, a driving motor is arranged on the bracket, the output end of the driving motor passes through the support plate and is detachably provided with a placement plate, a plurality of pearl placement tables are evenly arranged above the placement plate, and the plurality of pearl placement tables are distributed in a circle, a fluorescence spectrum processing component is arranged above the detection chamber, a fluorescent light source and a spectrum detection component are arranged on the inner side above the detection chamber, and the fluorescent light source and the spectrum detection component correspond to the position of the pearl placement table in the front.

[0006] As a preferred solution, an arc groove is provided on the pearl placing table, and a cushion layer is provided on the arc groove.

[0007] As a preferred solution, a cover plate is arranged in front of the two slides and the support plate, the cover plate is matched with the opening of the detection chamber, and a sealing gasket is arranged on the outer side of the cover plate.

[0008] As a preferred solution, a groove is provided above the detection chamber, the groove corresponds to the position of the pearl placing platform at the rear, and a cover is hingedly connected to the groove.

[0009] As a preferred solution, a control panel is provided on the front left side of the device body, and the control panel is electrically connected to the electrical components in the pearl detection device.

[0010] As a preferred solution, supporting feet are respectively provided at the four corners of the bottom of the device body, and gaskets are provided at the bottom of the supporting feet, and anti-slip patterns are provided on the gaskets.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The utility model places a plurality of pearls to be subjected to fluorescence spectrum detection in the arc groove of the pearl placing table in sequence, and adjusts the placement of the pearls. A cushion layer is arranged on the arc groove to improve the stability of the placement of the pearls. Then, the cover plate is pushed inward to close the cover plate and the opening of the detection chamber. The operation of the driving motor is controlled by the control panel so that the placement disk arranged on the driving motor can rotate continuously and intermittently, so that the fluorescent light source and the spectrum detection component perform fluorescence spectrum detection processing on the pearls on the designated pearl placing table. At this time, the LED ultraviolet light source on the fluorescent light source is used to irradiate the pearls to be detected. When the spectrum detection component receives the excited fluorescence, a spectrum electric signal of a specific intensity is obtained through the primary color filter and the photodiode on the spectrum detection component. Then, the fluorescence spectrum processing component converts the spectrum electric signal of the spectrum detection component into a digital signal. Then, the obtained digital signal is processed and compared through the signal processing module, so as to realize continuous detection of a plurality of pearls. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0014] Figure 2 for Figure 1 The structural diagram at A in the middle;

[0015] Figure 3 It is a structural schematic diagram of the lower part of the utility model;

[0016] Figure 4 for Figure 3 Enlarged view of point B in the middle.

[0017] In the figure: 1. Equipment body; 2. Detection chamber; 3. Rail groove; 4. Slide; 5. Support plate; 6. Bracket; 7. Placement tray; 8. Pearl placement table; 9. Fluorescence spectrum processing component; 10. Fluorescence light source; 11. Spectrum detection component; 12. Pad; 13. Cover plate; 14. Cover sheet; 15. Control panel; 16. Support foot. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4 A pearl detection device based on fluorescence spectrum in this embodiment includes a device body 1, the shell of the device body 1 is made of polyethylene material, a detection chamber 2 is arranged on the front right side of the device body 1, the inner wall of the detection chamber 2 is made of stainless steel, and rail grooves 3 are respectively opened on the left and right inner walls of the detection chamber 2, the longitudinal section of the rail groove 3 is T-shaped, and a slide 4 is slidably connected in the rail groove 3, and the longitudinal section of the rail groove 3 is T-shaped, which improves the stability of the slide 4 moving in the rail groove 3, a support plate 5 is arranged between the two slides 4, and a bracket 6 is arranged below the support plate 5, and a driving motor is arranged on the bracket 6, and the driving motor is a kind of Mitsubishi micro servo motor, so that the driving motor runs stably and can realize forward and reverse rotation, and the operation of the driving motor is controlled by the control panel 15, so that the placement plate 7 arranged on the driving motor can be moved in a continuous interval, so that the fluorescent light source 10 and the spectrum detection component 11 perform fluorescence spectrum detection processing on the pearls on the designated pearl placement table 8, and the output end of the driving motor is detachably provided with a placement plate 7 through the support plate 5, and the material of the placement plate 7 is stainless steel. The pearl placing tray 7 is made of steel. A plurality of pearl placing tables 8 are evenly arranged above the placing tray 7. The pearl placing tables 8 are used to place the pearls to be tested. The plurality of pearl placing tables 8 are distributed in a circle. A fluorescence spectrum processing component 9 is arranged above the testing chamber 2. A fluorescence light source 10 and a spectrum detection component 11 are arranged on the inner side above the testing chamber 2. The fluorescence light source 10 and the spectrum detection component 11 correspond to the positions of the pearl placing tables 8 in front. The fluorescence light source 10 is an ultraviolet fluorescence light source 10. The pearls to be tested are irradiated by the LED ultraviolet light source on the fluorescence light source 10. A primary color filter and a photodiode are arranged in the spectrum detection component 11. When the spectrum detection component 11 receives the excited fluorescence, spectrum electrical signals of different intensities are obtained through the primary color filter and the photodiode. A spectrum conversion module and a signal processing module are arranged in the fluorescence spectrum processing component 9. The signal processing module is preset with spectrum signal data range values ​​of different categories of pearls. The spectrum electrical signal of the spectrum detection component 11 is converted into a digital signal through the fluorescence spectrum processing component 9, and then the obtained digital signal is processed and compared through the signal processing module.

[0020] like Figure 1 , 2As shown, an arc groove is provided on the pearl placing table 8, and a cushion layer 12 is provided on the arc groove. The cushion layer 12 is made of silicone, and the surface of the cushion layer 12 is frosted. The pearl to be tested is placed in the arc groove to improve the stability of the pearl placement.

[0021] like Figure 1 As shown, a cover plate 13 is arranged in front of the two slides 4 and the support plate 5, and the cover plate 13 is matched with the compartment opening of the detection compartment 2. A sealing gasket is arranged on the outer side of the cover plate 13, and a handle is arranged on the cover plate 13 for easy use to push and pull the cover plate 13. The sealing gasket on the cover plate 13 improves the sealing of the detection compartment 2 during detection, thereby preventing dust from entering the detection compartment 2 during light detection by the fluorescent light source 10.

[0022] like Figure 1 , 3 As shown, a groove is provided above the detection chamber 2, and the groove corresponds to the position of the pearl placing table 8 at the rear. A cover plate 14 is hingedly connected to the groove, and the user can adjust the position of the pearls on the pearl placing table 8 at the rear, and can also take out the pearls without using the cover plate 13.

[0023] like Figure 1 As shown, a control panel 15 is provided on the front left side of the device body 1, and the control panel 15 is electrically connected to the electrical components in the pearl detection device. The control panel 15 is provided with touch buttons and a liquid crystal display screen to display the pearl data detected by the fluorescence spectrum.

[0024] like Figure 1 , 3 As shown, feet 16 are respectively provided at the four corners of the bottom of the device body 1, and a gasket is provided at the bottom of the feet 16. The gasket is made of nitrile rubber and has anti-slip texture to improve the stability of the placement of the device body 1.

[0025] During the specific implementation of this embodiment, the user pulls the handle on the cover plate 13 to separate the cover plate 13 from the opening of the detection chamber 2. At this time, the slide 4 moves in the track groove 3. The user places a plurality of pearls to be tested for fluorescence spectrum in the arc groove of the pearl placement table 8 in sequence and adjusts the placement of the pearls. A cushion layer 12 is provided on the arc groove to improve the stability of the pearl placement. Then, the cover plate 13 is pushed inward to close the cover plate 13 and the opening of the detection chamber 2. The operation of the driving motor is controlled by the control panel 15 so that the placement plate 7 provided on the driving motor can rotate continuously and intermittently. Thereby, the fluorescent light source 10 and the spectrum detection element 11 perform fluorescence spectrum detection processing on the pearls on the designated pearl placement table 8. At this time, the LED ultraviolet light source on the fluorescent light source 10 is used to irradiate the pearls to be detected. When the spectrum detection element 11 receives the excited fluorescence, a spectrum electrical signal of a specific intensity is obtained through the primary color filter and the photodiode on the spectrum detection element 11. Then, the fluorescence spectrum processing component 9 converts the spectrum electrical signal of the spectrum detection element 11 into a digital signal, and then the obtained digital signal is processed and compared through the signal processing module, so as to perform fluorescence detection on the pearls.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pearl detection device based on fluorescence spectroscopy, comprising a device body (1), characterized in that: A detection chamber (2) is arranged on the front right side of the device body (1), and rail grooves (3) are respectively provided on the left and right inner walls of the detection chamber (2), and the longitudinal section of the rail groove (3) is T-shaped. A slide (4) is slidably connected in the rail groove (3), and a support plate (5) is arranged between the two slides (4). A bracket (6) is arranged below the support plate (5), and a driving motor is arranged on the bracket (6). The output end of the driving motor passes through the support plate (5) and is detachably provided with a placement plate (7). A plurality of pearl placement tables (8) are evenly arranged above the placement plate (7), and the plurality of pearl placement tables (8) are distributed in a circular pattern. A fluorescent spectrum processing component (9) is arranged above the detection chamber (2), and a fluorescent light source (10) and a spectrum detection component (11) are arranged on the inner side of the upper part of the detection chamber (2), and the fluorescent light source (10) and the spectrum detection component (11) correspond to the positions of the pearl placement table (8) in the front.

2. The pearl detection device based on fluorescence spectroscopy according to claim 1, characterized in that: The pearl placing platform (8) is provided with an arc groove, and a cushion layer (12) is provided on the arc groove.

3. The pearl detection device based on fluorescence spectroscopy according to claim 1, characterized in that: A cover plate (13) is arranged in front of the two slides (4) and the support plate (5), the cover plate (13) is matched with the opening of the detection chamber (2), and a sealing gasket is arranged on the outer side of the cover plate (13).

4. The pearl detection device based on fluorescence spectroscopy according to claim 1, characterized in that: A slot body is provided above the detection chamber (2), the slot body corresponds to the position of the pearl placing platform (8) at the rear, and a cover sheet (14) is hingedly connected to the slot body.

5. The pearl detection device based on fluorescence spectroscopy according to claim 1, characterized in that: A control panel (15) is provided on the front left side of the device body (1), and the control panel (15) is electrically connected to the electrical components in the pearl detection device.

6. The pearl detection device based on fluorescence spectroscopy according to claim 1, characterized in that: Support feet (16) are respectively arranged at the four corners of the bottom of the device body (1), and a gasket is arranged at the bottom of the support foot (16), and an anti-slip pattern is arranged on the gasket.

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