Material penetration rate detection mechanism

Abstract

The utility model discloses a material penetration rate detection mechanism, which is used for detecting light transmittances corresponding to different angles of an optical material. The material penetration rate detection mechanism comprises a black box, a focus lens, a collecting lens, a light source, an angle adjusting assembly, an optical fiber and a control device; the black box is made of shading materials, and a movably-closed containing cavity is formed in the black box. The upper wall and the lower wall of the containing cavity are provided with a focus lens and a collecting lens which are opposite respectively. The light source is arranged above the black box and is opposite to the focus lens; the angle adjusting assembly is arranged in the containing cavity and comprises a fixed base, a semicircular movable base and a clamping jaw. An arc groove is formed in the upper surface of the fixing base, and an arc guide rail extending in the circumferential direction of the arc groove is arranged in the arc groove. The circumferential surface of the semicircular movable seat is attached to the bottom wall of the arc groove and is provided with a groove matched with the arc guide rail, and the arc guide rail is tightly matched in the groove; the clamping jaw is mounted in the radial direction of the semicircular movable seat; the collecting lens is connected to a spectrum card of the control device through an optical fiber, and the light source is electrically connected with the control device.

Description

Technical Field

[0001] The utility model relates to the technical field of optical instruments, in particular to a material penetration rate detection mechanism. Background Art

[0002] With the continuous improvement of the requirements for optical materials in all walks of life, the research and development of optical materials in the industry have become increasingly diversified.

[0003] At present, the detection of the light transmittance of optical materials is no longer limited to detecting the light transmittance when the light source is perpendicular to the optical material, but the light source is directed at the surface of the optical material from different angles, so as to detect the light shielding / light transmission effects corresponding to different angles of the optical material. At present, in the laboratory environment, only manual holding of the optical material can be used for detection, which has problems such as high labor intensity and inaccurate angles, and it is difficult to achieve detection in a closed environment, and the detection results are easily affected by the environmental light source. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a material penetration rate detection mechanism, which can solve the problems existing in the prior art and can conveniently and quickly detect the light transmittance corresponding to different angles of the optical material.

[0005] To achieve the above purpose, the solution of the utility model is:

[0006] A material penetration rate detection mechanism includes a black box, a focusing lens, a condenser lens, a light source, an angle adjustment component, an optical fiber and a control device; the black box is made of a light-shielding material, and an activity-closed cavity is arranged therein; the upper and lower walls of the cavity are respectively provided with opposite focusing lenses and condenser lenses; the light source is arranged above the black box and is opposite to the focusing lens; the angle adjustment component is arranged in the cavity and includes a fixed seat, a semi-circular movable seat and a clamping jaw; an arc groove is arranged on the upper surface of the fixed seat, and an arc guide rail extending along the circumference of the arc groove is arranged in the arc groove; the circumferential surface of the semi-circular movable seat is attached to the bottom wall of the arc groove, and a groove matching the arc guide rail is arranged, and the arc guide rail is tightly fitted in the groove; the clamping jaw is installed in the radial direction of the semi-circular movable seat for clamping the sample to be detected; the condenser lens is connected to the spectral card of the control device through the optical fiber, and the light source is electrically connected to the control device.

[0007] The light-shielding material of the black box includes a first layer, a second layer, a third layer and a fourth layer which are stacked in sequence; the material of the first layer is Ti; the material of the second layer is SiO2 or MgF2; the material of the third layer is Ti3O5; the material of the fourth layer is SiO2 or MgF2 and is located on the outermost side of the black box.

[0008] A light source mounting seat and a cover body are arranged above the black box; the light source mounting seat is provided with a mounting groove, and an optical channel connected to the focusing lens at the bottom of the mounting groove; an adjustment ring is arranged in the mounting groove, and a plurality of screws are arranged on the circumference of the adjustment ring, and the screws are inserted into the mounting groove from the surface of the light source mounting seat and abut against the circumference of the adjustment ring; the light source is fixed on the axis of the adjustment ring by a bracket; and the cover body covers the opening of the mounting groove.

[0009] Preferably, the end of the screw is configured as a spherical surface or a curved surface.

[0010] Preferably, the number of the screws is designed to be three, and the three screws are arranged at equal angles around the circumference of the light source mounting seat.

[0011] Preferably, the light source is connected to an electric wire which passes through a side wall of the mounting slot and is connected to a control device.

[0012] The surface of the fixing seat is provided with an angle ruler which is concentric with the circular arc groove.

[0013] After adopting the above technical solution, the utility model has the following technical effects:

[0014] The angle adjustment component of the utility model can adjust the angle of the clamping claw by adjusting the relative angle between the semicircular movable seat and the fixed seat, thereby fixing the sample to be tested at different angles, which is convenient for testing the light transmittance of the material at different angles; at the same time, the utility model provides a closed testing environment by a light-shielding black box, which minimizes the influence of external ambient light sources on the test results, and improves the detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a specific embodiment of the utility model;

[0016] Figure 2 It is a top view of a part of the structure of a specific embodiment of the utility model;

[0017] Description of Figure Numbers:

[0018] 1-black box; 11-cavity; 2-focusing mirror; 3-condenser; 4-light source; 5-angle adjustment assembly; 51-fixed seat; 511-arc groove; 512-arc guide rail; 52-semicircular movable seat; 53-clamping jaw; 6-optical fiber; 7-control device; 8-light source mounting seat; 81-mounting groove; 82-optical channel; 9-cover; 10-adjustment ring; 20-screw; 30-bracket; 40-wire; a-sample to be tested. DETAILED DESCRIPTION

[0019] In order to further explain the technical solution of the present utility model, the present utility model is described in detail below through specific embodiments.

[0020] refer to Figure 1 and Figure 2 As shown, the utility model discloses a material penetration detection mechanism, including a black box 1, a focusing lens 2, a condenser lens 3, a light source 4, an angle adjustment component 5, an optical fiber 6 and a control device 7;

[0021] The black box 1 is made of a light-shielding material, and a movable and closed cavity 11 is provided therein; the upper and lower walls of the cavity 11 are respectively provided with a focusing lens 2 and a condensing lens 3 which are opposite to each other;

[0022] The light source 4 is arranged above the black box 1 and opposite to the focusing lens 2;

[0023] The angle adjustment assembly 5 is arranged in the cavity 11, and includes a fixed seat 51, a semicircular movable seat 52 and a clamping jaw 53; the upper surface of the fixed seat 51 is provided with an arc groove 511, and the arc groove 511 is provided with an arc guide rail 512 extending along the circumference of the arc groove 511; the circumferential surface of the semicircular movable seat 52 is in contact with the bottom wall of the arc groove 511, and is provided with a groove matching the arc guide rail 512 (not shown in the figure, similar to the matching structure of an angle gauge), and the arc guide rail 512 is tightly fitted in the groove to fix the angle of the semicircular movable seat 52 relative to the fixed seat 51; the clamping jaw 53 is installed in the radial direction of the semicircular movable seat 52, and is used to clamp the sample a to be tested;

[0024] The condenser 3 is connected to the spectrum card of the control device 7 through the optical fiber 6 , and the light source 4 is electrically connected to the control device 7 .

[0025] Through the above scheme, the angle adjustment component 5 of the utility model can adjust the angle of the clamping claw 53 by adjusting the relative angle between the semicircular movable seat 52 and the fixed seat 51, thereby fixing the sample a to be tested at different angles, which is convenient for testing the transmittance of the material at different angles; at the same time, the utility model provides a closed testing environment by the light-shielding black box 1, which minimizes the influence of external ambient light sources on the test results, and the detection accuracy is improved.

[0026] Specific embodiments of the present utility model are shown below.

[0027] The shading material of the black box 1 includes a first layer, a second layer, a third layer and a fourth layer stacked in sequence; the material of the first layer is Ti (titanium); the material of the second layer is SiO2 (silicon dioxide) or MgF2 (magnesium fluoride); the material of the third layer is Ti3O5 (titanium pentoxide); the material of the fourth layer is SiO2 (silicon dioxide) or MgF2 (magnesium fluoride), and is located at the outermost side of the black box 1. The shading material meets the shading requirements of most experimental scenes.

[0028] The above-mentioned cavity 11 can be provided with a window on one side and a movable closed door / window can be installed to facilitate the access and adjustment of the optical material.

[0029] Above the above-mentioned black box 1, a light source mounting seat 8 and a cover 9 are provided; the light source mounting seat 8 is provided with a mounting groove 81 and a light channel 82 located at the bottom of the mounting groove 81 and communicating with the focusing lens 2; an adjusting ring 10 is arranged in the mounting groove 81, and a plurality of screws 20 are arranged on the circumferential surface of the adjusting ring 10. The screws 20 penetrate into the mounting groove 81 from the surface of the light source mounting seat 8 and abut against the circumferential surface of the adjusting ring 10; the light source 4 is fixed on the axis of the adjusting ring 10 through a bracket 30; the cover 9 covers the opening of the mounting groove 81. Considering the accumulation of tolerances during the assembly of the accessories, in order to ensure that the light source 4, the focusing lens 2 and the condenser lens 3 can be coaxial, the light source 4 is designed to be position-adjustable, which can eliminate errors and can also cope with other situations where the position of the light source needs to be adjusted; this structure only needs to rotate the screws 20 at different positions and change the depth of the screws 20 penetrating into the light source mounting seat 8 to change the position of the adjusting ring 10 in the mounting groove 81. When all the screws 20 abut against the circumferential surface of the adjusting ring 10, the adjusting ring 10 will be firmly fixed to ensure that the light source 4 does not shake.

[0030] Furthermore, the end of the above-mentioned screw 20 is set to be spherical or arc-shaped.

[0031] At the same time, the number of the above-mentioned screws 20 is designed to be three, and the three screws 20 are arranged at equal angular intervals around the circumferential surface of the light source mounting seat 8.

[0032] In addition, the wire 40 connected to the light source 4 penetrates out of the side wall of the mounting groove 81 and is connected to the control device 7; the bracket 30 is locked to the upper surface of the adjusting ring 10 by screws.

[0033] On the surface of the above-mentioned fixing seat 51, an angle scale 513 concentric with the arc groove 511 is provided, which is convenient for directly observing the corresponding angle value when adjusting the angle of the semi-circular movable seat 52.

[0034] The above-mentioned embodiments and drawings do not limit the product form and style of the present invention. Any appropriate changes or modifications made by those of ordinary skill in the art shall be regarded as not departing from the patent scope of the present invention.

Claims

1. A material penetration rate detection mechanism, characterized in that: It includes a black box, a focusing lens, a condenser lens, a light source, an angle adjustment component, an optical fiber and a control device; The black box is made of a light-shielding material, and an actively closed cavity is arranged inside it; a relative focusing lens and condenser lens are respectively installed on the upper and lower walls of the cavity; The light source is arranged above the black box and is opposite to the focusing lens; The angle adjustment component is arranged inside the cavity, and it includes a fixed seat, a semi-circular movable seat and a clamping jaw; an arc groove is arranged on the upper surface of the fixed seat, and an arc guide rail extending along the circumference of the arc groove is arranged in the arc groove; the circumferential surface of the semi-circular movable seat fits with the bottom wall of the arc groove and is provided with a groove matching the arc guide rail, and the arc guide rail is tightly fitted in the groove; the clamping jaw is installed on the radial direction of the semi-circular movable seat and is used for clamping the sample to be detected; The condenser lens is connected to the spectral card of the control device through the optical fiber, and the light source is electrically connected to the control device.

2. The material penetration rate detection mechanism according to claim 1, characterized in that: The light-shielding material of the black box includes a first layer, a second layer, a third layer and a fourth layer laminated in sequence; the material of the first layer is Ti; the material of the second layer is SiO2 or MgF2; the material of the third layer is Ti3O5; the material of the fourth layer is SiO2 or MgF2 and is located on the outermost side of the black box.

3. The material penetration rate detection mechanism according to claim 1, characterized in that: A light source mounting seat and a cover are arranged above the black box; the light source mounting seat is provided with a mounting groove and a light channel located at the bottom of the mounting groove and communicating with the focusing lens; an adjusting ring is arranged in the mounting groove, and a plurality of screws are arranged on the circumferential surface of the adjusting ring, and the screws penetrate from the surface of the light source mounting seat into the mounting groove and abut against the circumferential surface of the adjusting ring; the light source is fixed on the axis of the adjusting ring through a bracket; the cover covers the opening of the mounting groove.

4. The material penetration rate detection mechanism according to claim 3, characterized in that: The end of the screw is set as a spherical surface or an arc surface.

5. The material penetration rate detection mechanism according to claim 3, characterized in that: The number of the screws is designed to be three, and the three screws are arranged at equal angular intervals around the circumferential surface of the light source mounting seat.

6. The material penetration rate detection mechanism according to claim 3, characterized in that: The light source is connected with an electric wire that passes through the side wall of the mounting groove and is connected to the control device.

7. The material penetration rate detection mechanism according to claim 1, characterized in that: An angle scale concentric with the arc groove is arranged on the surface of the fixed seat.

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