CN108519323B - Anti-attenuation aging detection device for luminescent material - Google Patents

Anti-attenuation aging detection device for luminescent material Download PDF

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Publication number
CN108519323B
CN108519323B CN201810368541.8A CN201810368541A CN108519323B CN 108519323 B CN108519323 B CN 108519323B CN 201810368541 A CN201810368541 A CN 201810368541A CN 108519323 B CN108519323 B CN 108519323B
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China
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sample
luminescent material
fixed frame
movable plate
plate
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CN108519323A (en
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陈哲
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Nanchang Institute of Technology
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Nanchang Institute of Technology
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00Investigating resistance of materials to the weather, to corrosion, or to light
    • G01N17/002Test chambers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00Investigating resistance of materials to the weather, to corrosion, or to light
    • G01N17/004Investigating resistance of materials to the weather, to corrosion, or to light to light

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  • Biodiversity & Conservation Biology (AREA)
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  • Environmental & Geological Engineering (AREA)
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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
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  • Pathology (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)

Abstract

The invention belongs to the technical field of luminescent material detection equipment, and particularly relates to a luminescent material anti-attenuation aging detection device which comprises a box body, a sample rotating frame and a rotating motor for controlling the sample rotating frame to rotate, wherein two corners of the same diagonal line in the box body are respectively provided with a main light source, the sample rotating frame comprises a top plate and a bottom plate, a plurality of sample placing frames are arranged between the top plate and the bottom plate at intervals, each sample placing frame comprises a fixed frame and a movable plate, the movable plate is rotatably connected to the fixed frame, the fixed frame is provided with a heating plate and a winding post, a pull rope is tied on the winding post, the movable plate is provided with a sample groove, a spring and a bulge are arranged in the sample groove, and a light shielding. The anti-attenuation and anti-aging detection device for the luminescent material enables a sample to be detected to be rotatable, realizes the adjustment of arrangement of the sample to be detected in the horizontal direction and the vertical direction, can enable light rays to comprehensively irradiate the luminescent material to be detected, and improves the use efficiency of the device.

Description

Anti-attenuation aging detection device for luminescent material
Technical Field
The invention belongs to the technical field of luminescent material detection equipment, and particularly relates to an anti-attenuation aging detection device for a luminescent material.
Background
Luminescent materials are materials of a substance that are capable of absorbing energy in some way, converting it into light radiation. In practical applications, materials that emit light when excited by the outside are generally used as light-emitting materials, which may be in the form of powder, single crystal, thin film, or amorphous, and mainly include compounds of rare earth metals and semiconductor materials. The decay aging of the luminescent material is a characteristic existing in various luminescent materials, a lot of materials can have larger characteristic change after being irradiated by high-intensity blue light or ultraviolet for a long time, the most measurement of the decay aging of the luminescent material is a lighting test of the LED industry in terms of the related tests of the current enterprises, and the stability of the material to be detected after being continuously lighted in different environments is an important evaluation index for measuring the quality of the luminescent material.
Chinese patent CN206756658U discloses a luminescent material accelerated aging detection device, including sample detection support, sample splendid attire mould, test light source sample test support has at least two layers of supporting platform, sample splendid attire mould with test light source locates the difference respectively on the supporting platform, in the sample splendid attire mould was put into to the sample material that will test light stability, place sample splendid attire mould on one of them supporting platform, keep the distance of splendid attire mould and test light source, open test light source, last a period, take out sample reuse steady state fluorescence spectrum appearance or other monitoring instrument and carry out the productivity and detect or absorb the detection, track the light stability change of sample after this illumination is long. However, the position of the sample containing mold of the device is fixed, the light source is located below the position of the sample containing mold, the angle of the sample to be detected is not adjustable, and due to the shading effect of part of the luminescent material, the light can not irradiate the material comprehensively, so that the use efficiency of the device is affected, and an improved luminescent material anti-attenuation aging detection device needs to be developed.
Disclosure of Invention
The invention aims to provide a device for detecting attenuation and aging resistance of a luminescent material, which solves the problem that in the prior art, the use efficiency of the device is influenced because light cannot comprehensively irradiate the material due to the fact that the angle of a sample to be detected is not adjustable.
The invention provides a luminescent material anti-attenuation aging detection device, which comprises a box body, a sample rotating frame and a rotating motor for controlling the rotation of the sample rotating frame, wherein a box door is arranged on the box body, two corners of the same diagonal line in the box body are respectively provided with a main light source, the rotating motor is arranged on the box body, the sample rotating frame is arranged in the box body and comprises a top plate and a bottom plate, the top plate is connected with an output shaft of the rotating motor through a transmission shaft, the bottom plate is rotatably connected with the inner bottom surface of the box body through a first rotating shaft, a plurality of sample placing frames are arranged between the top plate and the bottom plate at intervals, each sample placing frame comprises a fixed frame and a movable plate, the upper end of each fixed frame is fixedly arranged on the top plate, the lower end of each fixed frame is fixedly arranged on the bottom plate, the fixed frame is gone up and is centers on the hot plate is installed to the fly leaf, install the wrapping post on the upper end front of fixed frame and the back respectively, the stay cord has been tied on the wrapping post, install on the fly leaf can with the go-between that the stay cord is connected, the sample groove has been seted up on the fly leaf, install the spring on the relative both sides face in the sample groove respectively, install a plurality of archs on two other relative sides in the sample groove, the outside of box still overlaps and is equipped with the shading cover.
Preferably, in the above-mentioned device for detecting degradation of anti-attenuation of luminescent material, the number of the sample-placing racks is 3-6, and the sample-placing racks are uniformly distributed around the edge of the top plate.
Preferably, in the above device for detecting the anti-attenuation and anti-aging of the luminescent material, a hook is installed at one end of the pull rope, which is far away from the wrapping post, and the hook can be hung on the wrapping post and also can be hung on the connecting ring.
Preferably, in the above-mentioned device for detecting attenuation and aging of a luminescent material, the top plate, the bottom plate, the fixing frame and the movable plate are all made of hollow-out light-transmitting materials.
Preferably, in the above anti-degradation detection apparatus for a luminescent material, the protrusion is a protrusion made of a soft material.
Preferably, in the above-mentioned device for detecting degradation due to attenuation of a luminescent material, the number of the protrusions is 8, and the protrusions are symmetrically arranged on two opposite sides of the sample tank.
Preferably, in the above anti-attenuation and anti-aging detection apparatus for a luminescent material, a reflective material layer is coated on the outer wall of the protrusion.
Preferably, in the above anti-attenuation and anti-aging detection apparatus for a luminescent material, an auxiliary light source is further installed in the middle of the upper surface of the base plate.
Compared with the prior art, the anti-attenuation aging detection device for the luminescent material has the following beneficial effects:
1. the anti-attenuation aging detection device for the luminescent material, disclosed by the invention, has the advantages that the sample can rotate by arranging the sample rotating frame and the rotating motor for controlling the sample rotating frame to rotate, the horizontal direction and the vertical direction of the sample can be adjusted by arranging the fixed frame and the movable plate, the luminescent material to be detected can be comprehensively irradiated by light, and the use efficiency of the device is improved. The distance between the two main light sources in the box body is farthest, so that the light can be irradiated from top to bottom, and the light can also be irradiated from bottom to top, and other parts are prevented from blocking the light to irradiate on a sample to be detected; the heating effect of the heating plate can heat the sample to be detected, and the influence of high temperature on the material is simulated; when the device is used, heating and illumination can be carried out simultaneously, and the device can also be independently illuminated or heated, so that the flexibility is high.
2. The flexible material bulge can improve the buffer force and avoid rigid damage caused when the bulge clamps the material to be detected; the symmetrically distributed bulges divide the sample tank into a plurality of areas, and the material to be detected can be independently placed in each area, so that the size limitation of the material is relaxed, and the material can meet the requirements of materials with different sizes; the outer wall of the protrusion is coated with a reflective material layer, and the reflective material layer can reflect light rays and increase the illuminance of the material to be detected.
Drawings
FIG. 1 is a schematic perspective view of an anti-attenuation aging detection apparatus for a luminescent material according to the present invention;
FIG. 2 is a schematic structural diagram of a sample rotating rack in the device for detecting the decay and aging resistance of a luminescent material according to the present invention;
FIG. 3 is a schematic front view of a sample rack in the device for detecting the decay and aging resistance of a luminescent material according to the present invention;
FIG. 4 is a schematic perspective view of a sample rack in the device for detecting the decay and aging resistance of a luminescent material of the present invention.
Description of reference numerals:
1. the automatic detection device comprises a box body, 11 a box door, 12 a main light source, 2 a rotating motor, 3 a top plate, 31 a transmission shaft, 4 a bottom plate, 41 a first rotating shaft, 5 a sample placing frame, 51 a fixed frame, 511 a winding post, 512 a pull rope, 52 a movable plate, 521 a connecting ring, 53 a heating plate, 6 a sample groove, 61 a spring, 62 a bulge and 7 a shading sleeve.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
A luminescent material anti-attenuation aging detection device is specifically shown in figures 1-4 and comprises a box body 1, a sample rotating frame and a rotating motor 2 for controlling the sample rotating frame to rotate, wherein a box door 11 is installed on the box body 1, two corners of the same diagonal line in the box body 1 are respectively provided with a main light source 12, the rotating motor 2 is installed at the upper top of the box body 1, the sample rotating frame is installed in the box body 1 and comprises a top plate 3 and a bottom plate 4, the top plate 3 is connected with an output shaft of the rotating motor 2 through a transmission shaft 31, the top of the box body 1 is provided with a through hole, the transmission shaft 31 penetrates through the through hole, the bottom plate 4 is rotatably connected with the inner bottom surface of the box body 1 through a first rotating shaft 41, the first rotating shaft 41 can rotate and cannot influence the rotation of the bottom plate 4, the first rotating shaft 41 and the transmission shaft 31 are coaxially arranged, the sample rest 5 comprises a fixed frame 51 and a movable plate 52, the upper end of the fixed frame 51 is fixedly arranged on the top plate 3, the lower end is fixedly arranged on the bottom plate 4, the movable plate 52 is rotatably connected on the inner side surface of the fixed frame 51, the left side surface of the movable plate 52 is rotatably connected on the left inner side surface of the fixed frame 51 through a second rotating shaft, the right side surface of the movable plate 52 is rotatably connected on the right inner side surface of the fixed frame 51 through a third rotating shaft, a heating plate 53 is arranged on the fixed frame 51 around the movable plate 52, the front surface (the surface far away from the central axis of the sample rotating frame) and the back surface (the surface close to the central axis of the sample rotating frame) of the upper end of the fixed frame 51 are respectively provided with a winding post 511, a pull rope 512 is tied on the winding post 511, a connecting ring 521 capable of being connected with, compressible springs 61 are respectively arranged on two opposite side surfaces in the sample groove 6, bulges 62 are arranged on the other two opposite side surfaces in the sample groove 6, and a shading sleeve 7 is sleeved outside the box body 1.
It should be noted that the box body 1 is a cube, and the two main light sources 12 are respectively located at the corners where the end points of the same diagonal line in the box body 1 are located, that is, the two main light sources 12 are respectively located at the two opposite corners farthest away in the box body 1.
The anti-attenuation and anti-aging detection device for the luminescent material, disclosed by the invention, has the advantages that the sample can rotate by arranging the sample rotating frame and the rotating motor 2 for controlling the sample rotating frame to rotate, the horizontal direction and the vertical direction of the sample can be adjusted by arranging the fixed frame 51 and the movable plate 52, the light can comprehensively irradiate the luminescent material to be detected, and the use efficiency of the device is improved. The specific working principle is as follows:
as shown in fig. 1, the main light source 12 is used to change the light environment in the box 1 and accelerate the attenuation and aging of the luminescent material to be tested, and the main light source 12 can be adjusted to blue light, ultraviolet light, etc. according to the actual situation. The main light sources 12 are arranged at two corners of the same diagonal line in the box body 1, the two main light sources 12 are singly controlled, the distance between the two diagonal lines is farthest, so that light can be irradiated from top to bottom, and the light can also be irradiated from bottom to top, thereby preventing other parts from shielding the light from irradiating a sample to be detected. The rotating motor 2 is used for controlling the rotation of the sample rotating frame, the sample slot 6 is used for placing samples, and due to the rotating connection relationship between the fixed frame 51 and the movable plate 52, the length of the pull rope 512 is adjusted by winding the pull rope 512 on the winding post 511, so that the movable plate 52 can be adjusted to be in a horizontal state, an inclined state or a vertical state according to actual operation requirements, as shown in fig. 3-4. If the state is vertical, the pull rope 512 is wound on the winding post 511. The springs 61 arranged at the two ends in the sample groove 6 can be compressed, when a sample to be detected is placed in the sample groove 6, the sample can be fixed through the extrusion effect of the springs 61, the length limit of the sample to be detected is also widened, and the sample to be detected can be conveniently manufactured. The function of the projections 62 is to increase the stability of the sample to be tested in the sample well 6 by friction. The winding post 511 may be an i-shaped bobbin structure, or a plastic hose structure made of metal or plastic, which can be bent to prevent the pull rope 512 from slipping. The heating effect of the heating plate 53 can heat the sample to be detected, the influence of high temperature on the material is simulated, and different heating plates 53 are controlled by independent switches. When the device is used, heating and illumination can be carried out simultaneously, and the device can also be independently illuminated or heated, so that the flexibility is high. The shading sleeve 7 is used for preventing dust and avoiding light in the box body 1 from leaking, so that the box body 1 can be made of transparent materials, and the internal condition of the box body 1 can be observed conveniently.
In the embodiment of the present invention, the number of the sample-rest racks 5 is 3 to 6 and is uniformly distributed around the edge of the top plate 3. The anti-attenuation aging condition of a plurality of luminescent materials can be detected simultaneously, and the efficiency is improved.
In the embodiment of the invention, a hook is installed at one end of the pulling rope 512 far away from the wrapping post 511, the hook can be hung on the wrapping post 511 in a matching way, when the pulling rope 512 is completely wound on the wrapping post 511, the hook is hung on the wrapping post 511, so that the pulling rope 512 is prevented from loosening and slipping, and the hook can be hung on the connecting ring 521. The connection between the pull rope 512 and the connecting ring 521 on the movable plate 52 is facilitated.
In the embodiment of the present invention, the top plate 3, the bottom plate 4, the fixed frame 51 and the movable plate 52 are made of hollow light-transmitting materials. Thereby furthest light passes through the parts except the material to be detected and the light irradiation efficiency is improved.
In the embodiment of the present invention, the protrusion 62 is a protrusion made of a soft material, and the soft material is latex or plastic. The soft material bulge 62 can improve the buffer force and avoid rigid damage caused when the bulge 62 clamps the material to be detected.
In the embodiment of the present invention, the number of the projections 62 is 8, and are symmetrically installed on the opposite sides of the sample well 6. The bulges 62 have the clamping and buffering functions, the sample groove 6 is divided into a plurality of areas by the symmetrically distributed bulges 62, the material to be detected can be independently placed in each area, the size limitation of the material is relaxed, and the material can meet the requirements of materials with different sizes.
In the embodiment of the present invention, the outer wall of the protrusion 62 is coated with a reflective material layer, which can reflect light and increase the illumination of the material to be detected; the protrusions 62 are hemispherical in structure, and the spherical surface can reflect light rays to various angles, so that the illuminance of the material to be detected is further increased.
In the embodiment of the invention, the auxiliary light source 8 is also arranged in the middle of the upper surface of the bottom plate 4, so that the inside and the outside of the sample rotating frame can be irradiated with light, and the efficiency of the device is improved.
It should be noted that the preferred embodiments of the present invention have been described for the sake of brevity, but that further variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (8)

1. The utility model provides an anti ageing detection device that attenuates of luminescent material, its characterized in that includes box (1), sample swivel mount and is used for controlling sample swivel mount pivoted rotating electrical machines (2), install chamber door (11) on box (1), install main light source (12) respectively on two angles at same diagonal place in box (1), rotating electrical machines (2) are installed on box (1), the sample swivel mount is installed in box (1), including roof (3) and bottom plate (4), roof (3) through transmission shaft (31) with the output shaft of rotating electrical machines (2), bottom plate (4) through first pivot (41) with the bottom surface rotates in box (1) and is connected, roof (3) with the interval is provided with a plurality of sample rest stand (5) between bottom plate (4), the sample shelf (5) comprises a fixed frame (51) and a movable plate (52), the upper end of the fixed frame (51) is fixedly mounted on the top plate (3), the lower end of the fixed frame is fixedly mounted on the bottom plate (4), the movable plate (52) is rotatably connected to the inner side surface of the fixed frame (51), samples are adjusted to be arranged in the horizontal direction and the vertical direction, the fixed frame (51) is surrounded by the movable plate (52), a heating plate (53) is mounted on the movable plate (52), winding posts (511) are respectively mounted on the front surface and the back surface of the upper end of the fixed frame (51), pull ropes (512) are tied on the winding posts (511), connecting rings (521) capable of being connected with the pull ropes (512) are mounted on the movable plate (52), sample grooves (6) are formed in the movable plate (52), and springs (61) are respectively mounted on the two opposite side surfaces in the, a plurality of bulges (62) are arranged on the other two opposite side surfaces in the sample groove (6), and a shading sleeve (7) is sleeved outside the box body (1).
2. The detection apparatus for detecting degradation of anti-decay of luminescent material according to claim 1, wherein the number of the sample rest racks (5) is 3-6 and is evenly distributed around the edge of the top plate (3).
3. The device for detecting the anti-attenuation and anti-aging of the luminescent material as claimed in claim 2, wherein a hook is mounted at one end of the pull rope (512) far away from the wrapping post (511), and the hook can be hung on the wrapping post (511) and the connecting ring (521).
4. The device for detecting aging of a luminescent material in an anti-attenuation manner according to claim 2, wherein the top plate (3), the bottom plate (4), the fixed frame (51) and the movable plate (52) are all made of a hollow light-transmitting material.
5. The detecting apparatus for detecting aging of luminescent material in accordance with claim 4, wherein the protrusion (62) is a protrusion of soft material.
6. The detecting device for detecting aging of fluorescent material in anti-attenuation manner according to claim 4, wherein the number of the protrusions (62) is 8, and the protrusions are symmetrically arranged on two opposite sides of the sample groove (6).
7. An anti-degradation detection apparatus for luminescent material according to claim 5 or 6, wherein the outer wall of the protrusion (62) is coated with a layer of reflective material.
8. The device for detecting the decay and aging resistance of the luminescent material as claimed in claim 1, wherein an auxiliary light source (8) is further installed in the middle of the upper surface of the bottom plate (4).
CN201810368541.8A 2018-04-23 2018-04-23 Anti-attenuation aging detection device for luminescent material Expired - Fee Related CN108519323B (en)

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CN111392624B (en) * 2018-11-23 2021-05-07 浙江厚达智能科技股份有限公司 Clamping and lifting method for integrally moving clamping type optical fiber disc
CN113466114B (en) * 2021-05-31 2023-08-11 苏州方正工程技术开发检测有限公司 Low-energy consumption artificial climate aging device
CN113324894A (en) * 2021-05-31 2021-08-31 海南大学 Experimental device for be used for studying plastics photodegradation
CN114062232B (en) * 2021-09-30 2024-02-02 国高材高分子材料产业创新中心有限公司 Automatic measuring system and method for thermal oxidative aging life of baking oven and polymer material

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