CN112697742B - Far infrared spectrum element content tester - Google Patents
Far infrared spectrum element content tester Download PDFInfo
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- CN112697742B CN112697742B CN202011569841.6A CN202011569841A CN112697742B CN 112697742 B CN112697742 B CN 112697742B CN 202011569841 A CN202011569841 A CN 202011569841A CN 112697742 B CN112697742 B CN 112697742B
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- 238000002329 infrared spectrum Methods 0.000 title abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 37
- 238000005096 rolling process Methods 0.000 claims abstract description 16
- 238000001413 far-infrared spectroscopy Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 230000005489 elastic deformation Effects 0.000 abstract 1
- 239000010437 gem Substances 0.000 description 5
- 229910001751 gemstone Inorganic materials 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 239000000872 buffer Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3581—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using far infrared light; using Terahertz radiation
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- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
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Abstract
The invention discloses a far infrared spectrum element content tester, which comprises a detection main machine, a support table, a display panel and a window, wherein the lower end of the detection main machine is fixedly arranged at the upper end of the support table, the ball jewelry is attached and clamped with the inner side surfaces of two attaching plates at the left side and the right side, a sliding block slides on a guide rod at the moment to drive an attaching rod to carry out linkage deflection, an auxiliary rotating effect is achieved through a rotating ball, the rotating sheet is ensured to rotate stably in the attaching plates, the ball jewelry can rotate stably in the two attaching plates, the detection head is ensured to carry out penetrating detection on the inner part of the ball jewelry more comprehensively, a spring in a connecting pipe sleeve carries out elastic deformation, the phenomenon that the pushing force of a sliding device on the ball jewelry is overlarge is avoided, a rolling wheel rotates stably on the upper end of a bottom plate at the rolling wheel, so that the bottom of the ball jewelry is rotated stably, the effect of penetrating detection of the detection head on the ball jewelry is improved.
Description
Technical Field
The invention relates to the field of rate testers, in particular to a far infrared spectrum element content tester.
Background
The far infrared spectrum element content tester is an instrument for analyzing molecular structure and chemical composition by utilizing absorption characteristics of substances to infrared radiation with different wavelengths, and an infrared spectrometer is generally composed of a light source, a monochromator, a detector and a computer information processing system, durability and flexibility are achieved through the integral diamond crystal and the high-efficiency and total reflection optical device in combination with a plurality of interchangeable crystal plates, however, when the far infrared spectrum element content tester is used for detecting jewelry, the jewelry is mostly in a spherical structure, the spherical jewelry is easy to displace in the tester, the thickness that the tester detected is limited simultaneously comparatively plane, only can pierce through the detection to the one end of jewelry, causes the tester to pierce through inside the detection less comprehensive at the spheroid jewelry, leads to the infrared spectrum data that the spheroid jewelry detected out less comprehensive, exists certain error.
Disclosure of Invention
The technical scheme adopted by the invention for realizing the technical purpose is as follows: this far infrared spectroscopy element content tester, its structure is including detecting host computer, brace table, display panel, window, it is in brace table upper end to detect host computer lower extreme fixed mounting, it installs display panel to detect the embedding of host computer front surface right-hand member to detect host computer front surface left end fixed mounting has the window, it includes the mainframe box, detects head, clamping device, goes up the top mounted device to detect the host computer, mainframe box bottom fixed mounting is at brace table top, the inside fixed mounting of mainframe box has the detection head to detect the head and be connected with the display panel electricity, clamping device fixed mounting is at the inside left end of mainframe box, go up top mounted device bottom fixed mounting in the inboard bottom of mainframe box, clamping device is located the top mounted device top, clamping device is equipped with two altogether, is bilateral symmetry respectively and installs inside the mainframe box.
As a further improvement of the invention, the clamping device comprises a fixed pipe sleeve, a flexible hose, two linkage rods and a clamping piece device, wherein the fixed pipe sleeve is fixedly arranged inside the mainframe box, the flexible hose is arranged at the right end inside the fixed pipe sleeve, the left end of the flexible hose is abutted against the right end of the linkage rod, the left end of the linkage rod is connected with the right side surface of the clamping piece device, the flexible hose is of a fold structure and made of rubber materials and has certain resilience, the two linkage rods are arranged and are in a vertically symmetrical structure to form a V-shaped structure, and the left ends are respectively arranged at the upper end and the lower end of the clamping piece device.
As a further improvement of the invention, the clamping piece device comprises a sliding block, a guide rod and an auxiliary rotating plate, wherein the right end of the sliding block is fixed with the left end of the linkage rod, the guide rod penetrates through the inside of the sliding block in a clearance fit manner, the sliding block is fixedly arranged inside the right end of the auxiliary rotating plate, and the number of the sliding block and the number of the guide rod are two, and the two sliding blocks and the two guide rods are respectively connected with the left ends of the two linkage rods.
As a further improvement of the invention, the auxiliary rotating plate comprises an attaching plate, a rotating ball and a rotating piece, wherein a guide rod is arranged inside the right side of the attaching plate, the rotating ball is arranged inside the middle end of the left side of the attaching plate in a clearance fit manner, the left end of the rotating ball is fixed with the rotating piece, the rotating piece is arranged at the middle end of the inside of the left side of the attaching plate in a clearance fit manner, and the rotating piece is of an arc-shaped circular surface structure.
As a further improvement of the invention, the top lifting device comprises a support shell, an air cylinder, a top block, a connecting pipe sleeve, a spring and a sliding device, wherein the bottom of the support shell is welded at the bottom of the inner side of the main case, the air cylinder is fixedly arranged in the support shell, the output end of the air cylinder is fixed with the bottom of the top block, the lower end of the connecting pipe sleeve is arranged in the upper end of the top block in a clearance fit manner, the spring is arranged in the connecting pipe sleeve, the lower end of the spring is fixed with the top surface of the top block, the upper end of the connecting pipe sleeve is fixed with the bottom of the sliding device, the air cylinder, the top block, the connecting pipe sleeve and the sliding device are all arranged in a vertical angle, and the sliding device is positioned right below a ball jewelry position.
As a further improvement of the invention, the sliding device comprises a bottom plate, a micro motor, belts and rolling wheels, wherein the bottom of the bottom plate is welded with the top of the connecting pipe sleeve, the micro motor is arranged at the middle end inside the bottom plate and synchronously rotates with the rolling wheels through the belts, the rolling wheels are arranged inside the upper end of the bottom plate in a clearance fit manner, the bottom plate is of an arc-shaped structure, the micro motor is a double-shaft rotating motor, the double shafts are both provided with one belt, and the two belts are in transmission connection with the left shaft end and the right shaft end of the rolling wheels.
The invention has the beneficial effects that:
1. laminate the clamping with the binding plate inboard surface of spheroid jewelry and the left and right sides, at this moment the sliding block slides on the guide bar, it carries out the interlock skew to have driven the trace, flexible hose applys outer ability of propping up to the trace, play supplementary rotation effect through the rolling ball, ensure that the rotor steadily rotates in binding plate inside, thereby ensure that spheroid jewelry clamping is fixed the back, can carry out steady rotation in two binding plate inboards, ensure that the detection head pierces through the detection more comprehensively to spheroid jewelry inside.
2. After the ball jewelry is clamped and fixed in the clamping device, the spring inside the connecting pipe sleeve is elastically deformed, the upward pushing force of the sliding device on the ball jewelry is avoided to be too large, the rolling wheel is stably rotated on the upper end of the bottom plate, so that the bottom of the ball jewelry is stably rotated, and the detection head is improved to penetrate through the detection effect of the ball jewelry.
Drawings
Fig. 1 is a schematic structural diagram of a far infrared spectrum element content tester of the present invention.
Fig. 2 is a schematic structural diagram of a detection host according to the present invention.
Fig. 3 is a schematic view of the internal structure of a clip loading device according to the present invention.
Fig. 4 is a schematic view of an internal structure of a clip device according to the present invention.
Fig. 5 is a schematic view of an internal structure of an auxiliary rotating plate according to the present invention.
Fig. 6 is a schematic diagram of an internal structure of a roof mounting apparatus according to the present invention.
Fig. 7 is a schematic view of the internal structure of a sliding device according to the present invention.
In the figure: the detection device comprises a detection host machine-1, a support table-2, a display panel-3, a window-4, a host machine box-11, a detection head-12, a clamp-13, a top device-14, a fixed pipe sleeve-131, a telescopic hose-132, a linkage rod-133, a clamping device-134, a sliding block-34 a, a guide rod-34 b, an auxiliary rotating plate-34 c, an attaching plate-c 1, a rotating ball-c 2, a rotating plate-c 3, a support shell-141, a cylinder-142, a top block-143, a connecting pipe sleeve-144, a spring-145, a sliding device-146, a bottom plate-46 a, a micro motor-46 b, a belt-46 c and a rolling wheel-46 d.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1:
as shown in figures 1 to 5:
the invention relates to a far infrared spectrum element content tester, which structurally comprises a detection host machine 1, a support table 2, a display panel 3 and a window 4, wherein the lower end of the detection host machine 1 is fixedly arranged at the upper end of the support table 2, the display panel 3 is fixedly embedded at the right end of the front surface of the detection host machine 1, the window 4 is fixedly arranged at the left end of the front surface of the detection host machine 1, the detection host machine 1 comprises a host machine box 11, a detection head 12, a clamp 13 and an upper jacking device 14, the bottom of the host machine box 11 is fixedly arranged at the top of the support table 2, the detection head 12 is fixedly arranged in the host machine box 11, the detection head 12 is electrically connected with the display panel 3, the clamp 13 is fixedly arranged at the left end in the host machine box 11, the bottom of the upper jacking device 14 is fixedly arranged at the bottom of the inner side of the host machine box 11, the clamp 13 is positioned above the upper jacking device 14, and the clamp 13 is provided with two clamps, be bilateral symmetry respectively and install inside mainframe box 11, do benefit to the clamping to spheroid jewelry both sides, improve the clamping fastness of spheroid jewelry.
Wherein, the clamping device 13 comprises a fixed pipe sleeve 131, a flexible pipe 132, a linkage rod 133 and a clamping device 134, the fixing tube sleeve 131 is fixedly installed inside the main cabinet 11, the right end inside the fixing tube sleeve 131 is provided with a flexible tube 132, the left end of the flexible hose 132 is abutted against the right end of the linkage rod 133, the left end of the linkage rod 133 is connected with the right side surface of the clamping piece device 134, the flexible hose 132 is of a corrugated structure, and is made of rubber, has certain resilience, is beneficial to squeeze and adjust the transverse distance of the linkage rod 133, avoids overlarge squeezing force of the linkage rod 133, to the spheroid jewelry surface cause the pressure wound, trace 133 is equipped with two altogether to be the longitudinal symmetry structure, form V style of calligraphy structure, the upper and lower both ends at clamping piece device 134 are established respectively to the left end, do benefit to and cushion the regulation to clamping piece device 134, ensure that clamping piece device 134 carries out firm clamping to the spheroid jewelry outside both ends of equidimension not.
The clamping piece device 134 comprises a sliding block 34a, a guide rod 34b and an auxiliary rotating plate 34c, the right end of the sliding block 34a is fixed to the left end of a linkage rod 133, the guide rod 34b penetrates through the inside of the sliding block 34a in a clearance fit mode, the sliding block 34a is fixedly installed inside the right end of the auxiliary rotating plate 34c, the sliding block 34a and the guide rod 34b are respectively connected with the left ends of the two linkage rods 133, the sliding block 34a can slide on the guide rod 34b, therefore, the micro-distance adjustment is conducted on the auxiliary rotating plate 34c, and the auxiliary rotating plate 34c is prevented from excessively extruding the outer side of the ball jewelry.
Wherein, supplementary commentaries on classics board 34c includes rigging board c1, rotating ball c2, rotor c3, rigging board c1 right side inside is equipped with guide bar 34b to rotating ball c2 adopts clearance fit to install inside rigging board c1 left side middle-end, rotating ball c2 left end is fixed mutually with rotor c3, rotor c3 adopts clearance fit to install at rigging board c1 left side inside middle-end, rotor c3 is the arc disc structure, does benefit to conflicting ball jewelry outside end face, ensures that ball jewelry outside end face carries out steady rotation, thereby makes detection head 12 rotate the detection to ball jewelry, improves the effect that pierces through the detection.
The specific use mode and function of the embodiment are as follows:
in the invention, the ball jewel is jointed and clamped with the inner side surfaces of the jointing plates c1 on the left and right sides, at the same time, the sliding block 34a slides on the guide rod 34b to drive the linkage rod 133 to carry out linkage deflection, at the same time, the linkage rod 133 carries out outer jacking on the flexible hose 132, the flexible hose 132 contracts in the fixed pipe sleeve 131, and the flexible hose 132 exerts outer jacking capacity on the linkage rod 133, so that the jointing plate c1 is firmly clamped and fixed with the left and right end surfaces of the ball jewel, then the top of the jacking device 14 rotates, so that the rotating sheet c3 rotates in the jointing plate c1, the rotating ball c2 plays an auxiliary rotating effect to ensure that the rotating sheet c3 rotates stably in the jointing plate c1, thereby ensuring that the ball jewel can rotate stably in the inner sides of the two jointing plates c1 after being clamped and fixed, and the ball jewel is detected by the detection head 12 on the upper end, the effect of penetrating detection is improved, and the detection head 12 is ensured to penetrate and detect the interior of the ball jewelry more comprehensively.
Example 2:
as shown in fig. 6 to 7:
the upper supporting device 14 includes a supporting shell 141, an air cylinder 142, a top block 143, a connecting pipe sleeve 144, a spring 145 and a sliding device 146, the bottom of the supporting shell 141 is welded to the bottom of the inner side of the main cabinet 11, the air cylinder 142 is fixedly installed inside the supporting shell 141, the output end of the air cylinder 142 is fixed to the bottom of the top block 143, the lower end of the connecting pipe sleeve 144 is installed inside the upper end of the top block 143 in a clearance fit manner, the spring 145 is installed inside the connecting pipe sleeve 144, the lower end of the spring 145 is fixed to the top surface of the top block 143, the upper end of the connecting pipe sleeve 144 is fixed to the bottom of the sliding device 146, the air cylinder 142, the top block 143, the connecting pipe sleeve 144 and the sliding device 146 are all installed at a vertical angle, it is ensured that the air cylinder 142 drives the sliding device 146 to vertically lift, and the sliding device 146 is located right below the position of the ball jewelry, which is beneficial to the smooth interference of the bottom of the ball jewelry in the upper supporting process of the sliding device 146, preventing the slide 146 from ejecting the ball jewel out of the clip holder 13.
The sliding device 146 comprises a bottom plate 46a, a micro motor 46b, a belt 46c and a rolling wheel 46d, the bottom of the bottom plate 46a is welded to the top of the connecting pipe sleeve 144, the micro motor 46b is arranged at the middle end inside the bottom plate 46a, the micro motor 46b synchronously rotates with the rolling wheel 46d through the belt 46c, the rolling wheel 46d is installed inside the upper end of the bottom plate 46a in a clearance fit mode, the bottom plate 46a is of an arc-shaped structure and is beneficial to supporting the bottom of a jewelry ball, the micro motor 46b is a double-shaft rotating motor, the double shafts are respectively provided with the belt 46c, the two belts 46c are in transmission connection with the left shaft end and the right shaft end of the rolling wheel 46d, the rolling wheel 46d is ensured to smoothly rotate at the upper end of the bottom plate 46a, and accordingly the bottom of the jewelry ball smoothly rotates.
The specific use mode and function of the embodiment are as follows:
according to the invention, after the ball jewelry is clamped and fixed on the inner side of the clamp 13, the air cylinder 142 is started to enable the ejector block 143 to move upwards, the sliding device 146 is driven to eject upwards to support the bottom of the ball jewelry in an abutting mode, and at the moment, the spring 145 in the connecting pipe sleeve 144 elastically deforms, so that the connecting pipe sleeve 144 extrudes and buffers in the ejector block 143, the phenomenon that the sliding device 146 ejects and buffers the ball jewelry from the inner side of the clamp 13 is avoided, and then the rolling wheel 46d stably rotates at the upper end of the bottom plate 46a through the transmission of the belt 46c through the rotation of the micro motor 46b, so that the bottom of the ball jewelry stably rotates, and the effect of the detection head 12 for penetrating detection of the ball jewelry is improved.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (1)
1. The utility model provides a far infrared spectroscopy element content tester, its structure is including detecting host computer (1), brace table (2), display panel (3), window (4), it installs in brace table (2) upper end to detect host computer (1) lower extreme fixed mounting, it installs display panel (3) to detect host computer (1) front surface right-hand member to inlay solid to detect host computer (1) front surface left end fixed mounting has window (4), its characterized in that:
the detection host (1) comprises a host case (11), a detection head (12), a clamp (13) and an upper ejection device (14), wherein the bottom of the host case (11) is fixedly arranged at the top of the support table (2), the detection head (12) is fixedly arranged in the host case (11), the detection head (12) is electrically connected with the display panel (3), the clamp (13) is fixedly arranged in the host case (11), the bottom of the upper ejection device (14) is fixedly arranged at the bottom of the inner side of the host case (11), and the clamp (13) is positioned above the upper ejection device (14);
the two clamping devices (13) are oppositely distributed at the left end and the right end of the mainframe box (11), the right clamping device (13) comprises a fixed pipe sleeve (131), a flexible hose (132), a linkage rod (133) and a clamping piece device (134), the fixed pipe sleeve (131) is fixedly arranged in the mainframe box (11), the flexible hose (132) is arranged at the right end in the fixed pipe sleeve (131), the left end of the flexible hose (132) is abutted to the right end of the linkage rod (133), the left end of the linkage rod (133) is connected with the right side surface of the clamping piece device (134), and the clamping devices (13) at the left side and the clamping devices (13) at the right side are oppositely distributed;
the clamping piece device (134) comprises a sliding block (34a), a guide rod (34b) and an auxiliary rotating plate (34c), the right end of the sliding block (34a) is fixed with the left end of a linkage rod (133), the guide rod (34b) penetrates through the inside of the sliding block (34a) in a clearance fit mode, and the sliding block (34a) is fixedly installed inside the right end of the auxiliary rotating plate (34 c);
the auxiliary rotating plate (34c) comprises a jointing plate (c1), a rotating ball (c2) and a rotating sheet (c3), a guide rod (34b) is arranged inside the right side of the jointing plate (c1), the rotating ball (c2) is installed inside the middle end of the left side of the jointing plate (c1) in a clearance fit mode, the left end of the rotating ball (c2) is fixed with the rotating sheet (c3), and the rotating sheet (c3) is installed at the middle end of the inside of the left side of the jointing plate (c1) in a clearance fit mode;
the upper top device (14) comprises a supporting shell (141), an air cylinder (142), a top block (143), a connecting pipe sleeve (144), a spring (145) and a sliding device (146), wherein the bottom of the supporting shell (141) is welded to the bottom of the inner side of the main case (11), the air cylinder (142) is fixedly installed inside the supporting shell (141), the output end of the air cylinder (142) is fixed to the bottom of the top block (143), the lower end of the connecting pipe sleeve (144) is installed inside the upper end of the top block (143) in a clearance fit mode, the spring (145) is arranged inside the connecting pipe sleeve (144), the lower end of the spring (145) is fixed to the top surface of the top block (143), and the upper end of the connecting pipe sleeve (144) is fixed to the bottom of the sliding device (146);
slider (146) include bottom plate (46a), micro motor (46b), belt (46c), roll wheel (46d), bottom plate (46a) bottom is welded mutually with connecting pipe box (144) top, bottom plate (46a) inside middle-end is equipped with micro motor (46b) to micro motor (46b) rotate with rolling wheel (46d) synchronous through belt (46c), it installs inside bottom plate (46a) upper end to roll wheel (46d) adoption clearance fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011569841.6A CN112697742B (en) | 2020-12-26 | 2020-12-26 | Far infrared spectrum element content tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011569841.6A CN112697742B (en) | 2020-12-26 | 2020-12-26 | Far infrared spectrum element content tester |
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| Publication Number | Publication Date |
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| CN112697742A CN112697742A (en) | 2021-04-23 |
| CN112697742B true CN112697742B (en) | 2022-07-19 |
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| CN202011569841.6A Active CN112697742B (en) | 2020-12-26 | 2020-12-26 | Far infrared spectrum element content tester |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115194672A (en) * | 2022-07-04 | 2022-10-18 | 蚌埠市产品质量监督检验研究院 | Clamping and fixing tool for jewelry detection |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108621055B (en) * | 2018-06-08 | 2024-03-26 | 深圳市艺中乐珠宝有限公司 | Clamping and fixing tool for jewelry detection |
| CN208366844U (en) * | 2018-07-12 | 2019-01-11 | 深圳市国检珠宝检测检验中心有限公司 | A kind of fixture for jewelry detection |
| CN209327292U (en) * | 2018-11-14 | 2019-08-30 | 广州市名钻荟珠宝有限公司 | A kind of testing equipment that can distinguish that jewelry is true and false |
| CN210953843U (en) * | 2019-11-08 | 2020-07-07 | 杨军 | Luminosity adjusting device for jewelry inspection |
| CN211967259U (en) * | 2020-04-29 | 2020-11-20 | 青岛市计量技术研究院 | Jewelry detection clamp capable of replacing clamping body |
| CN111993309A (en) * | 2020-08-20 | 2020-11-27 | 义乌品恒饰品有限公司 | Clamping tool for jewelry detection and detection method thereof |
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Denomination of invention: A Far Infrared Spectroscopic Element Content Tester Effective date of registration: 20230515 Granted publication date: 20220719 Pledgee: Bank of China Limited Foshan Nanhai Xiqiao Sub-branch Pledgor: Round corner technology development (Foshan) Co.,Ltd. Registration number: Y2023980040615 |
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