Reflection spectrum detection light path structure

Abstract

The utility model discloses a reflection spectrum detection light path structure, and relates to the field of spectrum detection, the light path structure comprises an integrating sphere, the upper end interface of the right side of the integrating sphere is connected with a light emitting tube through a first optical fiber; the light emitting pipe is fixedly mounted in the center hole of the end cover; the end cover is fixedly mounted on the heat dissipation cover; a plurality of heat dissipation fins are arranged on the outer wall of the heat dissipation cover at equal intervals; the light gathering cover is fixedly mounted in the central groove of the heat dissipation cover; the lamp holder is fixedly mounted on the bottom surface of the central groove of the heat dissipation cover; the halogen lamp is mounted on the lamp holder; and the spectrograph is connected with the interface at the lower end of the right side of the integrating sphere through a second optical fiber. The device is simple in structure and low in cost, reduces the attenuation of light transmission, can effectively guarantee the reliability and stability of object detection, and guarantees the accuracy of a detection result.

Description

Technical Field

[0001] This utility model belongs to the field of spectral detection technology, and in particular relates to an optical path structure for reflectance spectral detection. Background Technology

[0002] The existing optical path structure for reflectance spectral detection in spectrometers is complex, with large light attenuation during reflection, and poor stability and reliability, which can easily lead to deviations in the detection results and thus incorrect analysis results. Summary of the Invention

[0003] This application provides a reflectance spectral detection optical path structure that solves the above-mentioned problems in the prior art. Its structure is simple and low-cost, reduces the attenuation of light transmission, and can effectively ensure the reliability and stability of object detection, as well as the accuracy of the detection results.

[0004] This utility model provides a reflectance spectral detection optical path structure, which includes: an integrating sphere, the upper right interface of which is connected to a light-emitting tube via a first optical fiber; a light-emitting tube, which is fixedly installed in the central hole of an end cap; an end cap, which is fixedly installed on a heat sink; a heat sink, on which multiple heat dissipation fins are evenly spaced on its outer wall; a focusing cover, which is fixedly installed in the central groove of the heat sink; a lamp holder, which is fixedly installed on the bottom surface of the central groove of the heat sink; a halogen lamp, which is installed on the lamp holder; and a spectrometer, which is connected to the lower right interface of the integrating sphere via a second optical fiber.

[0005] Preferably, the outer left wall of the heat sink is provided with an annular groove and an O-ring is installed in the annular groove.

[0006] Preferably, the angle between the central axis of the first optical fiber and the central axis of the second optical fiber is 15° to 25°.

[0007] Preferably, the heat sink has a cable outlet hole on its right side.

[0008] The above-described one or more technical solutions in the embodiments of this utility model have at least one or more of the following technical effects:

[0009] This utility model provides a reflectance spectral detection optical path structure, comprising: an integrating sphere, the upper right interface of which is connected to a light-emitting tube via a first optical fiber; a light-emitting tube fixedly installed in the central hole of an end cap; an end cap fixedly installed on a heat sink; a heat sink with multiple heat dissipation fins evenly spaced on its outer wall; a focusing cover fixedly installed in a central groove of the heat sink; a lamp holder fixedly installed on the bottom surface of the central groove of the heat sink; a halogen lamp installed on the lamp holder; and a spectrometer connected to the lower right interface of the integrating sphere via a second optical fiber. The structure is simple and low-cost, reducing light transmission attenuation and effectively ensuring the reliability and stability of object detection, as well as the accuracy of the detection results.

[0010] The above description is merely an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this utility model more obvious and understandable, specific embodiments of this utility model are given below. Attached Figure Description

[0011] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model.

[0012] Explanation of reference numerals in the attached diagram: Integrating sphere 1; First optical fiber 2; Light output tube 3; End cap 4; Condenser 5; Lamp holder 6; Halogen lamp 7; Heat sink 8; Second optical fiber 9; Spectrometer 10. Detailed Implementation

[0013] This application provides a reflectance spectral detection optical path structure to solve the technical problem of the lack of a stable, reliable, and effective transmittance and reflectance optical path structure in the prior art.

[0014] The overall structure of the technical solution in this embodiment of the utility model is as follows: The optical path structure includes: an integrating sphere, the upper right interface of which is connected to the light output tube via a first optical fiber; a light output tube, which is fixedly installed in the central hole of an end cap; an end cap, which is fixedly installed on a heat sink; a heat sink, on which multiple heat dissipation fins are evenly spaced on the outer wall; a focusing cover, which is fixedly installed in the central groove of the heat sink; a lamp holder, which is fixedly installed on the bottom surface of the central groove of the heat sink; a halogen lamp, which is installed on the lamp holder; and a spectrometer, which is connected to the lower right interface of the integrating sphere via a second optical fiber.

[0015] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0016] Example

[0017] This embodiment provides an optical path structure for reflectance spectroscopy detection. Please refer to [reference needed]. Figure 1 The details are as follows:

[0018] The optical path structure for reflectance spectroscopy detection includes: an integrating sphere 1, the upper right interface of which is connected to a light-emitting tube 3 via a first optical fiber 2; a light-emitting tube 3, which is fixedly installed in the central hole of an end cap 4; an end cap 4, which is fixedly installed on a heat sink 8; a heat sink 8, on which multiple heat dissipation fins are evenly spaced on its outer wall; a focusing cover 5, which is fixedly installed in the central groove of the heat sink 8; a lamp holder 6, which is fixedly installed on the bottom surface of the central groove of the heat sink 8; a halogen lamp 7, which is installed on the lamp holder 6; and a spectrometer 10, which is connected to the lower right interface of the integrating sphere 1 via a second optical fiber 9.

[0019] Furthermore, the outer left side wall of the heat sink 8 is provided with an annular groove and an O-ring is installed in the annular groove.

[0020] Furthermore, the angle between the central axis of the first optical fiber 2 and the central axis of the second optical fiber 9 is 15° to 25°.

[0021] Furthermore, a cable outlet hole is provided on the right side of the heat sink 8.

[0022] The working principle of this utility model is as follows: During reflection, the light emitted by the halogen lamp in the heat sink is focused by the condenser and then enters the integrating sphere through the light outlet tube and the first optical fiber. After exiting the integrating sphere, it is reflected back into the integrating sphere by the detection object on the glass slide and then enters the spectrometer through the second optical fiber for spectral analysis.

[0023] The above-described one or more technical solutions in the embodiments of this utility model have at least one or more of the following technical effects:

[0024] This utility model provides a reflectance spectral detection optical path structure, comprising: an integrating sphere 1, the upper right interface of which is connected to a light-emitting tube 3 via a first optical fiber 2; a light-emitting tube 3, fixedly installed in the central hole of an end cap 4; an end cap 4, fixedly installed on a heat sink 8; a heat sink 8, with multiple heat dissipation fins evenly spaced on its outer wall; a focusing cover 5, fixedly installed in a central groove of the heat sink 8; a lamp holder 6, fixedly installed on the bottom surface of the central groove of the heat sink 8; a halogen lamp 7, installed on the lamp holder 6; and a spectrometer 10, connected to the lower right interface of the integrating sphere 1 via a second optical fiber 9. The structure is simple and low-cost, reducing light transmission attenuation and effectively ensuring the reliability and stability of object detection, as well as the accuracy of the detection results.

[0025] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention.

[0026] Obviously, those skilled in the art can make various modifications and variations to the embodiments of this utility model without departing from the spirit and scope of the embodiments of this utility model. Therefore, if these modifications and variations to the embodiments of this utility model fall within the scope of the claims of this utility model and their equivalents, then this utility model also intends to include these modifications and variations.

Claims

1. A reflectance spectral detection optical path structure, characterized in that, The optical path structure includes: An integrating sphere, wherein the upper right interface of the integrating sphere is connected to the light output tube via a first optical fiber; A light-emitting tube is fixedly installed in the center hole of the end cover; End cap, which is fixedly mounted on the heat sink cover; A heat sink, wherein multiple heat dissipation fins are provided at equal intervals on the outer wall of the heat sink; A light-concentrating cover is fixedly installed in the central groove of the heat sink cover; The lamp holder is fixedly installed on the bottom surface of the central groove of the heat sink cover; A halogen lamp, wherein the halogen lamp is mounted on a lamp holder; The spectrometer is connected to the interface on the lower right side of the integrating sphere via a second optical fiber.

2. The optical path structure for reflectance spectral detection according to claim 1, characterized in that, The outer left side wall of the heat sink is provided with an annular groove and an O-ring is installed in the annular groove.

3. The optical path structure for reflectance spectral detection according to claim 1, characterized in that, The angle between the central axis of the first optical fiber and the central axis of the second optical fiber is 15° to 25°.

4. The optical path structure for reflectance spectral detection according to claim 1, characterized in that, The heat sink has a cable outlet hole on its right side.

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