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CN-122016751-A - Novel airtight anti-interference device for optical detection of fluorescent material

CN122016751ACN 122016751 ACN122016751 ACN 122016751ACN-122016751-A

Abstract

The invention provides a novel airtight anti-interference device for optical detection of fluorescent materials, and belongs to the technical field of optical detection of fluorescent materials. This novel airtight anti-interference of fluorescent material optical detection device, including detecting the main part, the inside of detecting the main part is provided with sealed sleeve, its characterized in that: the inside of sealed sleeve is provided with iris formula edge and seals light mechanism, iris formula edge seals light mechanism and includes swivel ring and centering drive plate. According to the invention, by arranging the mechanical iris type edge light sealing mechanism, after the self-adaptive centering of the fluorescent powder tabletting is completed by the centering driving plate, the edge light sealing block can automatically descend and precisely attach to the cylindrical side walls of the tabletting with different diameters, and the waveguide fluorescence overflowing from the side walls of the tabletting is mechanically reflected and absorbed for many times in the groove by utilizing the V-shaped labyrinth groove and the light absorption coating, so that diffuse reflection interference of a side halo to a receiver is blocked from a physical source head, and the detection accuracy is improved.

Inventors

  • YIN PEIWEN

Assignees

  • 山东牧也仪器设备有限公司

Dates

Publication Date
20260512
Application Date
20260408

Claims (10)

  1. 1. The novel airtight anti-interference device for optical detection of fluorescent materials comprises a detection main body (1), wherein a sealing sleeve (2) is arranged in the detection main body (1), and is characterized in that an iris type edge light sealing mechanism is arranged in the sealing sleeve (2), the iris type edge light sealing mechanism comprises, The rotary rings (301) are arranged on the vertical shaft in a staggered manner, the rotary rings (301) are rotatably arranged on the inner wall of the sealing sleeve (2), a synchronous rod (302) is fixedly arranged between the two rotary rings (301), a fixed ring (303) is fixedly arranged on the inner wall of the sealing sleeve (2), a plurality of first sliding grooves (304) are formed in the inner bottom wall of the fixed ring (303) and the inner bottom wall of the sealing sleeve (2) in a circumferential array, and a plurality of second sliding grooves (305) are formed in the two rotary rings (301) in a circumferential array; Centering drive plate (306), centering drive plate (306) set up between one of them swivel ring (301) and the interior bottom wall of sealed sleeve (2), another be provided with synchronous locating plate (307) between swivel ring (301) and fixed ring (303), slide (308) have been set firmly at the top of centering drive plate (306) and synchronous locating plate (307), slide (309) have been set firmly at the bottom of centering drive plate (306) and synchronous locating plate (307), slide (308) slip cap is established in the inside of first spout (304), slide (309) slip cap is established in the inside of second spout (305).
  2. 2. The novel airtight anti-interference device for optical detection of fluorescent materials according to claim 1, wherein a guide lifting rod (310) is slidably arranged in the synchronous positioning plate (307), an edge light sealing block (311) is fixedly arranged at the bottom of the guide lifting rod (310), a V-shaped labyrinth groove (312) is formed in the edge light sealing block (311), a first bearing plate (313) is fixedly arranged at the top of the guide lifting rod (310), and a first spring (314) is arranged between the first bearing plate (313) and the synchronous positioning plate (307).
  3. 3. The novel airtight anti-interference device for optical detection of fluorescent materials according to claim 2, wherein a flexible centering plate (315) is hinged to the bottom of the centering driving plate (306), a flexible pad (316) is arranged on one side, close to the center of a fixed ring (303), of the flexible centering plate (315), and a threaded sleeve (317) is fixedly arranged on the top of the flexible centering plate (315).
  4. 4. The device for optical detection of a novel fluorescent material according to claim 3, wherein a mounting short rod (318) is fixedly arranged on the surface of the edge light sealing block (311), a thread driving rod (319) is fixedly arranged at the bottom of the mounting short rod (318), and the thread driving rod (319) is sleeved in the thread sleeve (317) in a threaded mode.
  5. 5. The novel airtight anti-interference device for optical detection of fluorescent materials according to claim 2, wherein a hydraulic cylinder (320) is arranged on the sealing sleeve (2), a reflection pressing ring (321) is fixedly arranged at the output end of the hydraulic cylinder (320), a second spring (322) is arranged at the bottom of the reflection pressing ring (321), a light sealing pressing ring (323) is arranged at the other end of the second spring (322), and the light sealing pressing ring (323) is located above the first bearing plate (313).
  6. 6. The novel airtight anti-interference device for optical detection of fluorescent materials according to claim 1, wherein a sealing cover (324) is arranged in the detection main body (1), an irradiation source (325) and a receiver (326) are arranged on the bottom wall of the sealing cover (324), and the receiver (326) is located above the center of a fixed ring (303).
  7. 7. The novel airtight anti-interference device for optical detection of fluorescent materials according to claim 5, wherein the edge light sealing block (311) is provided with a multi-angle aggregation reflection mechanism, the multi-angle aggregation reflection mechanism comprises a mounting platform (401), the mounting platform (401) is fixedly arranged on the edge light sealing block (311), and a central reflector (402) is arranged below the mounting platform (401).
  8. 8. The novel airtight anti-interference device for optical detection of fluorescent materials according to claim 7, wherein a second lifting rod (403) is slidably arranged in the mounting platform (401), a second bearing plate (404) is fixedly arranged at the top of the second lifting rod (403), the second bearing plate (404) is located between the reflecting compression ring (321) and the light sealing compression ring (323), and a third spring (405) is arranged between the mounting platform (401) and the second bearing plate (404).
  9. 9. The novel airtight anti-interference device for optical detection of fluorescent materials according to claim 8, wherein a reflector mounting seat (406) is fixedly arranged at the bottom of the second lifting rod (403), a flexible pressing plate (407) is fixedly arranged at the bottom of the reflector mounting seat (406), a first hinging rod (408) is fixedly arranged on the reflector mounting seat (406), a second hinging rod (409) is fixedly arranged on the central reflector (402), and the first hinging rod (408) and the second hinging rod (409) are hinged.
  10. 10. The novel airtight anti-interference device for optical detection of fluorescent materials according to claim 7, wherein a connecting rod (410) is arranged between the mounting platform (401) and the central reflecting mirror (402), one end of the connecting rod (410) is hinged with the mounting platform (401), and the other end of the connecting rod (410) is hinged with the central reflecting mirror (402).

Description

Novel airtight anti-interference device for optical detection of fluorescent material Technical Field The invention relates to the technical field of novel fluorescent material optical detection, in particular to a novel airtight anti-interference device for fluorescent material optical detection. Background Before optical performance detection, the fluorescent powder material is usually prepared into a round solid powder tablet by high pressure, in the existing optical detection process, a measured tablet is usually placed in a closed test cabin, excitation light is provided by an irradiation source, and a receiver is used for collecting fluorescent signals stimulated and emitted by the tablet so as to evaluate the luminous efficiency and spectral characteristics of the tablet. However, the upper and lower surfaces of the phosphor powder preform are relatively flat, which results in extremely severe total reflection waveguide effect, a large amount of high-intensity fluorescence generated by internal excitation of the preform is not emitted from the front surface, but is conducted to the cylindrical side wall of the phosphor powder preform like an optical fiber to be emitted, a circle of extremely bright halation is formed and diffused reflection occurs at the bulkhead, the quantitative accuracy of the front surface receiver is seriously disturbed, and after the phosphor powder material is subjected to high-pressure preform by a machine, extremely complex mechanical residual stress is generated in the interior and the lattice is slightly deformed, and the deformation causes the emitted fluorescence to have anisotropy in space, namely, the intensity and the polarization state of the fluorescence emitted from different angles are different, so that the detection result generates great fluctuation, and stable and real quantitative data are difficult to obtain. Disclosure of Invention In order to overcome the above disadvantages, the present invention provides a novel optical detection airtight anti-interference device for fluorescent materials, which overcomes or at least partially solves the above technical problems. The invention is realized in the following way: The invention provides a novel airtight anti-interference device for optical detection of fluorescent materials, which comprises a detection main body, wherein a sealing sleeve is arranged in the detection main body, an iris type edge light sealing mechanism is arranged in the sealing sleeve, the iris type edge light sealing mechanism comprises, The rotary rings are arranged on the vertical shaft in a staggered manner, the rotary rings are rotatably arranged on the inner wall of the sealing sleeve, a synchronous rod is fixedly arranged between the two rotary rings, a fixed ring is fixedly arranged on the inner wall of the sealing sleeve, a plurality of first sliding grooves are formed in the inner bottom wall of the fixed ring and the inner bottom wall of the sealing sleeve in a circumferential array, and a plurality of second sliding grooves are formed in the two rotary rings in a circumferential array; The centering driving plate is arranged between one rotating ring and the inner bottom wall of the sealing sleeve, a synchronous positioning plate is arranged between the other rotating ring and the fixed ring, sliding shafts are fixedly arranged at the tops of the centering driving plate and the synchronous positioning plate, sliding strips are fixedly arranged at the bottoms of the centering driving plate and the synchronous positioning plate, the sliding shaft is sleeved in the first sliding groove in a sliding mode, and the sliding strips are sleeved in the second sliding groove in a sliding mode. In a preferred scheme, the inside slip of synchronous locating plate is provided with the direction lifter, the edge light sealing piece has been set firmly to the bottom of direction lifter, the V-arrangement maze groove has been seted up on the edge light sealing piece, the top of direction lifter has set firmly first bearing plate, be provided with first spring between first bearing plate and the synchronous locating plate. In a preferred scheme, the bottom of centering drive plate articulates there is flexible centering board, one side that the centering of flexible centering board was close to solid fixed ring centre of a circle department is provided with flexible pad, the screw sleeve has been set firmly at the top of flexible centering board. In a preferred scheme, the surface of the edge light sealing block is fixedly provided with a mounting short rod, the bottom of the mounting short rod is fixedly provided with a thread driving rod, and the thread driving rod is sleeved in the thread sleeve. In a preferred scheme, be provided with the pneumatic cylinder on the sealed sleeve, the output of pneumatic cylinder sets firmly the reflection clamping ring, the bottom of reflection clamping ring is provided with the second spring, the other end of