CN219245359U

CN219245359U - Light path reflectivity tester

Info

Publication number: CN219245359U
Application number: CN202320675100.9U
Authority: CN
Inventors: 王雅娜; 纵艳芝; 秦少平; 温新竹; 冯冲
Original assignee: Nanjing Yuhe Electronic Technology Co ltd
Current assignee: Nanjing Yuhe Electronic Technology Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-06-23
Anticipated expiration: 2033-03-30

Abstract

The utility model discloses an optical path reflectivity tester, which comprises a reflectivity tester host, a detection probe and two working plates, wherein the detection probe is connected with the reflectivity tester host, color blocks of black and white colors are respectively arranged on the middle surfaces of the two working plates, a positioning structure is arranged between the bottom end of the detection probe and the working plates, and the positioning structure comprises side blocks; the light path reflectivity tester provided by the utility model can avoid the influence of external light on the detection of the detection probe, ensure that the detection probe can accurately read the color of the working plate, reduce the error of the detection probe in the later stage for reading a sample, avoid the condition that the sun of a photocell is tired due to the fact that the detection probe is placed at the white working plate for a long time, ensure that the working plate is used in pairs and avoid the loss of the working plate, and reduce the impulsive force of the detection probe for pressing the working plate by the second magnetic block, and avoid the damage of the detection probe caused by overlarge strength.

Description

Light path reflectivity tester

Technical Field

The utility model relates to the field of reflectivity measurement, in particular to an optical path reflectivity measuring instrument.

Background

The reflectivity measuring instrument can measure the transparency degree of various coatings, grease and film products by utilizing an optical path, and can also measure the reflectivity of a solid surface, wherein the reflectivity of the coating and the paint is measured by the optical path reflectivity measuring instrument when the reflectivity of the coating and the paint is detected.

The existing light path reflectivity tester has certain defects, when reflectivity of paint, pigment and the like is measured, external light can influence illumination of a detection head, the light enters the working plate to influence measured data, the detection head is placed on a white standard plate for a long time, the condition that sunlight of a photocell is tired can be caused, and workers can influence the measured data of the detection head if the detection head is placed on the white standard plate for a long time, so that data difference is large when reflectivity of paint, pigment and the like is measured.

Disclosure of Invention

The utility model mainly aims to provide a light path reflectivity tester which can effectively solve the technical problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a light path reflectivity apparatus, includes reflectivity apparatus host computer, test probe, two working plates, test probe is connected with reflectivity apparatus host computer, two the middle surface of working plate is provided with the colour piece of two colours of black and white respectively, be provided with location structure between test probe's bottom and the working plate, location structure includes the avris piece, the avris piece sets up in test probe's lateral wall bottom, and test probe's bottom is provided with the holding ring, the constant head tank with the avris piece alignment has been seted up to the upper surface of working plate, the cooperation groove with the holding ring alignment has been seted up to the upper surface of working plate.

As a preferable technical scheme of the utility model, the shape of the side block is matched with that of the positioning groove, and the positioning ring is matched with that of the matching groove.

As a preferable technical scheme of the utility model, a contact structure is arranged between the interiors of the two working plates and the bottom end of the detection probe, the contact structure comprises a fixed block, the fixed block is arranged in the interiors of the two working plates, a second magnetic block and a telescopic spring are arranged in the fixed block, the second magnetic block is in sliding connection with the interiors of the fixed blocks, the telescopic spring is positioned below the second magnetic block, the side wall of the fixed block is provided with a pin, the end part of the pin is in sliding connection with the second magnetic block, and the bottom end of the detection probe is provided with a first magnetic block.

As a preferable technical scheme of the utility model, the first magnetic block and the second magnetic block are aligned in position, and the first magnetic block and the fixed block are arranged in pairs.

As a preferable technical scheme of the utility model, the magnetic poles of the second magnetic blocks of the two working plates are opposite, the second magnetic block at the black color block is attracted with the first magnetic block, and the second magnetic block at the white color block is repelled with the first magnetic block.

Compared with the prior art, the utility model has the following beneficial effects: the positioning structure is arranged in the utility model, so that the detection probe and the working plate can be mutually aligned, and the positioning ring is matched with the matching groove, thereby avoiding the influence of external light on the detection of the detection probe, ensuring that the detection probe can accurately read the color of the working plate, and reducing the error of the detection probe in the later stage for reading a sample;

the contact structure is arranged, the principle that the same-name magnetic poles repel and the different-name magnetic poles attract is utilized, the detection probe is attracted to the working plate with the black color block, the detection probe is repelled to the working plate with the white color block, the condition that the long-time placement of the detection probe at the white working plate is tired in sunlight irradiation of a photocell is avoided, the working plates with the black color and the white color can be attracted, the pair use of the working plates is ensured, the loss of the working plates is avoided, the impulsive force of the detection probe for pressing the working plate is reduced by the second magnetic block, and the damage of the detection probe caused by overlarge strength is avoided.

Drawings

FIG. 1 is a schematic diagram showing the overall structure of an optical path reflectivity measuring instrument according to the present utility model;

FIG. 2 is a schematic diagram showing a bonding state of a detection probe of the optical path reflectivity tester and a working plate;

FIG. 3 is a schematic diagram showing a positioning structure of an optical path reflectivity measuring instrument according to the present utility model;

fig. 4 is a schematic view of a contact structure of an optical path reflectivity measuring instrument according to the present utility model.

In the figure: 1. a reflectance meter host; 2. a detection probe; 3. a work plate; 4. color blocks; 5. a positioning structure; 6. a contact structure; 51. side blocks; 52. a positioning ring; 53. a positioning groove; 54. a mating groove; 61. a first magnetic block; 62. a fixed block; 63. a second magnetic block; 64. a telescopic spring; 65. and (5) a pin.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, an optical path reflectivity tester comprises a reflectivity tester host 1, a detection probe 2 and two working plates 3, wherein the detection probe 2 is connected with the reflectivity tester host 1, color blocks 4 with black and white colors are respectively arranged on the middle surfaces of the two working plates 3, a positioning structure 5 is arranged between the bottom end of the detection probe 2 and the working plates 3, the positioning structure 5 comprises side blocks 51, the side blocks 51 are arranged at the bottom end of the side wall of the detection probe 2, a positioning ring 52 is arranged at the bottom end of the detection probe 2, positioning grooves 53 aligned with the side blocks 51 are formed in the upper surface of the working plates 3, and matching grooves 54 aligned with the positioning ring 52 are formed in the upper surface of the working plates 3.

In this embodiment, the shapes of the side block 51 and the positioning groove 53 are adapted, and the positioning ring 52 is adapted to the shape of the matching groove 54, so that the detection probe 2 and the working plate 3 can be aligned with each other, and the positioning ring 52 is matched with the matching groove 54, so that the influence of external light on the detection of the detection probe 2 is avoided, the detection probe 2 can accurately read the color of the working plate 3, and the error of the later detection probe 2 in reading the sample is reduced.

In this embodiment, be provided with contact structure 6 between the inside of two working plates 3 and the bottom of test probe 2, contact structure 6 includes fixed block 62, the inside of fixed block 62 is installed in the inside of two working plates 3, the inside of fixed block 62 is provided with second magnetic path 63 and expansion spring 64, the inside sliding connection of second magnetic path 63 and fixed block 62, and expansion spring 64 is located the below of second magnetic path 63, and the lateral wall of fixed block 62 is provided with pin 65, and the tip and the second magnetic path 63 sliding connection of pin 65, the bottom of test probe 2 is provided with first magnetic path 61, and the impact of test probe 2 pressure working plate 3 is reduced to second magnetic path 63, avoid the too big damage that causes test probe 2 of strength.

In this embodiment, the positions of the first magnetic block 61 and the second magnetic block 63 are aligned, and the first magnetic block 61 and the fixed block 62 are arranged in pairs, so that the working plates 3 with black and white colors can be attracted, the working plates 3 are ensured to be used in pairs, and the loss of the working plates 3 is avoided.

In this embodiment, the magnetic poles of the second magnetic blocks 63 of the two working plates 3 are opposite, the second magnetic block 63 at the black color block 4 is attracted to the first magnetic block 61, the second magnetic block 63 at the white color block 4 is repelled to the first magnetic block 61, the detection probe 2 is attracted to the working plate 3 with the black color block 4, the detection probe 2 is repelled to the working plate 3 with the white color block 4, and the condition that the long-time placement of the detection probe 2 at the white working plate 3 causes the fatigue of sunlight irradiation of photocells is avoided.

In the light path reflectivity measurement of some paint and ink coatings, the relevant data is measured by a reflectivity measuring instrument, paint, ink and the like are smeared in a transparent film to be used as samples, then a main body 1 of the reflectivity measuring instrument is opened and preheated for a period of time, a detection probe 2 is placed in a black working plate 3, a positioning ring 52 at the bottom end of the detection probe 2 is aligned with a matching groove 54, external light enters the working plate 3 to influence the light emitted by the detection probe 2, the detection probe 2 is taken out of the working plate 3 with a black block 4 and then placed in the working plate 3 with a white block 4, the positions of a contact structure 6 are prevented from deflecting by aligning a side block 51 with a positioning groove 53, the reflectivity of pigment, coating and the like is measured according to the white block 4 and the black block 4 as a reference, the second magnetic block 63 is under the action of the telescopic spring 64 when the detection probe 2 is pressed down, the influence of the impact of the detection probe 2 on the working plate 3 and the color block 4 is avoided, the damage caused by the direct impact of the working plate 3 and the color block 4 and the detection probe 2 is avoided, the prepared sample is placed on the surfaces of the black detection block and the white detection block, the data of the two detection blocks are sequentially read, the reflectivity of the sample can be obtained by conversion according to relevant regulations, the condition that the photocell is tired in sunshine is eliminated, the detection probe 2 is placed on the black block 4 in the detected gap time, because the contact structure 6 is arranged between the working plate 3 and the detection probe 2, the second magnetic block 63 is attracted with the first magnetic block 61 of the detection probe 2 when the detection probe 2 and the working plate 3 of the black block 4 are arranged each time, thus, the detection probe 2 can be placed at the black working plate 3 for a long time, when the detection probe 2 is in contact with the white working plate 3, the second magnetic block 63 and the first magnetic block 61 are in magnetic pole repulsion at the moment, and obvious resistance is generated when the detection probe 2 is pressed down, so that the detection probe 2 can be prevented from being placed at the white working plate 3 for a long time, and abnormal data detection caused by the long-time placement of the detection probe 2 on the white working plate 3 is avoided.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An optical path reflectivity tester, which is characterized in that: including reflectivity apparatus host computer (1), test probe (2), two work boards (3), test probe (2) are connected with reflectivity apparatus host computer (1), two the middle surface of work board (3) is provided with colour lump sum (4) of two colours of black and white respectively, be provided with location structure (5) between the bottom of test probe (2) and work board (3), location structure (5) include limit side piece (51), limit side piece (51) set up in the lateral wall bottom of test probe (2), and the bottom of test probe (2) is provided with holding ring (52), holding tank (53) with limit side piece (51) alignment have been seted up to the upper surface of work board (3), cooperation groove (54) with holding ring (52) alignment have been seted up to the upper surface of work board (3).

2. The light path reflectance meter of claim 1, wherein: the side blocks (51) and the locating grooves (53) are matched in shape, and the locating rings (52) and the matching grooves (54) are matched in shape.

3. An optical path reflectance meter according to claim 2, wherein: the two be provided with contact structure (6) between the inside of working plate (3) and the bottom of test probe (2), contact structure (6) are including fixed block (62), fixed block (62) are installed in the inside of two working plates (3), the inside of fixed block (62) is provided with second magnetic path (63) and expansion spring (64), the inside sliding connection of second magnetic path (63) and fixed block (62), and expansion spring (64) are located the below of second magnetic path (63), and the lateral wall of fixed block (62) is provided with pin (65), and the tip and the second magnetic path (63) sliding connection of pin (65), the bottom of test probe (2) is provided with first magnetic path (61).

4. A light path reflectance meter according to claim 3, wherein: the first magnetic blocks (61) are aligned with the second magnetic blocks (63), and the first magnetic blocks (61) and the fixed blocks (62) are arranged in pairs.

5. The light path reflectance meter according to claim 4, wherein: the magnetic poles of the second magnetic blocks (63) of the two working plates (3) are opposite, the second magnetic block (63) at the black color block (4) is attracted with the first magnetic block (61), and the second magnetic block (63) at the white color block (4) is repelled with the first magnetic block (61).