Reflection spectrum detection optical system
By designing a compact reflection spectral detection optical system, the problem of difficulty in installing and using existing systems in confined locations is solved, and the detection effect of high accuracy and portability is achieved.
Patent Information
- Application Number
- CN202421731338.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-07-19
AI Technical Summary
Since the inlet and outlet of the existing reflective spectral detection optical system are arranged at right angles, the structure takes up a large space, making it difficult to install and use in positions where the installation space is limited.
A reflection spectral detection optical system is designed to focus light by setting a reflective integral sphere, a condenser, a light source and a power source in a compact shell, using the condenser to focus light, and a light inlet and an outlet port are provided on the same side of the reflective integral sphere to save space.
The compact structure of the reflective spectral detection system is realized, which improves the accuracy and portability of the detection, facilitates use in locations with limited installation space, and prevents the condensation from overheating through a radiator.
Smart Images
Figure CN222774109U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of spectrum detection, in particular to a reflection spectrum detection optical system. Background Art
[0002] Reflectance spectroscopy is an important optical analysis method used to determine the optical properties of objects or materials, especially their reflection behavior to different wavelengths of light. This technology has a wide range of applications in many fields, including but not limited to geology, environmental science, material science, biomedicine, food testing and art authentication.
[0003] When light hits the surface of an object, part of the light is absorbed and part of it is reflected. The reflection spectrum reflects the object's ability to reflect light of different wavelengths, which is related to the composition and structure of the object.
[0004] Reflection spectrum optical systems generally use an integrating sphere to collect diffuse reflected light in all directions to ensure measurement accuracy. The existing integrating sphere has a right-angled light inlet and light outlet, and optical fiber connection components are respectively set at the light inlet and light outlet, which requires a large structural space and is not conducive to device integration. It is difficult to install in locations with limited installation space and is very inconvenient to use. Utility Model Content
[0005] The technical problem to be solved by the utility model is to solve the deficiencies in the prior art and to design a reflection spectrum detection optical system.
[0006] The technical solution adopted by the utility model to solve its technical problems is:
[0007] A reflection spectrum detection optical system, comprising:
[0008] A housing, wherein a detection hole is provided on the housing;
[0009] A reflective integrating sphere is arranged at one end of the housing near the detection hole, and the window to be measured of the reflective integrating sphere is fitted with the detection hole; a reflective integrating sphere light inlet and a reflective integrating sphere light outlet are arranged on the reflective integrating sphere;
[0010] A condenser, wherein a condenser inlet and a condenser outlet are provided on the condenser, the condenser outlet is connected to the light inlet of the reflective integrating sphere, and the condenser inlet is connected to the light outlet of the light source;
[0011] A light source is arranged inside the housing and is used to generate test light, wherein a light outlet of the light source is connected to a light-collecting inlet of the light-collecting cover;
[0012] The power supply is arranged inside the shell and is used to provide working power for the light source.
[0013] As a further technical solution of the utility model, a heat sink is arranged outside the condenser.
[0014] As a further technical solution of the utility model, the shell includes a first shell and a second shell, the first shell and the second shell are detachable structures, and the second shell and the first shell are arranged at an angle.
[0015] As a further technical solution of the utility model, the light inlet and the light outlet of the reflecting integrating sphere are arranged on the same side of the reflecting integrating sphere, and the window to be measured of the reflecting integrating sphere is arranged on the shell on the side opposite to the light inlet of the reflecting integrating sphere.
[0016] As a further technical solution of the present invention, the angle between the light entrance of the reflective integrating sphere and the horizontal plane is less than 10°.
[0017] As a further technical solution of the utility model, the angle between the light entrance of the reflective integrating sphere and the horizontal plane is 8°.
[0018] As a further technical solution of the utility model, the shell is made of aluminum or aluminum alloy.
[0019] As a further technical solution of the utility model, the shell is made of engineering plastics.
[0020] Compared with the prior art, the utility model has the following beneficial effects:
[0021] 1. The utility model performs spectral detection of crops by setting up a reflection spectrum detection optical system, which has a compact structure and high detection accuracy. The utility model performs spectral detection of crops by setting up a reflection spectrum detection optical system, which has a compact structure and high detection accuracy.
[0022] 2. Since the condenser will generate a large amount of heat energy when focusing the light emitted by the light source, a radiator is set on the outside of the condenser to dissipate the heat energy generated by the light source and prevent the condenser from overheating and affecting the normal operation of the device.
[0023] 3. The first shell and the second shell are separately arranged, and the second shell is detachably connected to the first shell. A power supply is arranged inside the second shell, which is separately arranged from the light source inside the first shell. The first shell and the second shell are designed at an angle, which is convenient for handheld carrying.
[0024] 4. In order to save space, the light inlet and light outlet of the reflecting integrating sphere are set on the same side of the reflecting integrating sphere to make the structure more compact.
[0025] 5. The shell is made of aluminum or engineering plastic, which is light in weight, making the reflection integrating sphere lightweight and easy to use and install. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 This is a structural diagram of a reflection spectrum detection optical system proposed by the utility model;
[0027] As shown in the figure:
[0028] 1-housing, 2-reflection integrating sphere, 3-condenser, 4-light source, 5-power supply, 6-spectrometer, 7-heat sink;
[0029] 101- detection hole;
[0030] 201-test window, 202-reflective integrating sphere light inlet, 203-reflective integrating sphere light outlet;
[0031] 301-light-concentrating entrance, 302-light-concentrating exit;
[0032] 601-Spectrometer light entrance;
[0033] 11- first shell, 12- second shell. DETAILED DESCRIPTION
[0034] The following describes the specific implementation of the utility model in conjunction with the accompanying drawings and embodiments:
[0035] It should be noted that the structures, colors, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so that people familiar with this technology can understand and read them, and are not used to limit the conditions under which the present invention can be implemented. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.
[0036] At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" cited in this specification are only for the convenience of description and are not used to limit the scope of the implementation of the present utility model. Changes or adjustments to their relative relationships should be regarded as the scope of the implementation of the present utility model without substantially changing the technical content.
[0037] like Figure 1 As shown, the utility model provides a reflection spectrum detection optical system, comprising:
[0038] A housing 1, wherein a detection hole 101 is provided on the housing 1;
[0039] The reflecting integrating sphere 2 is arranged at one end of the housing 1 near the detection hole 101, and the to-be-measured window 201 of the reflecting integrating sphere 2 is in contact with the detection hole 101; the reflecting integrating sphere 2 is provided with a reflecting integrating sphere light inlet 202 and a reflecting integrating sphere light outlet 203;
[0040] A condenser 3, on which a condenser entrance 301 and a condenser exit 302 are arranged, the condenser exit 302 is connected to the light entrance 202 of the reflective integrating sphere, and the condenser entrance 301 is connected to the light exit of the light source 4;
[0041] The light source 4 is disposed inside the housing 1 and is used to generate test light. The light outlet of the light source 4 is connected to the light-focusing entrance 301 of the light-focusing cover 3.
[0042] The power supply 5 is arranged inside the housing 1 and is used to provide working power for the light source.
[0043] The reflective spectrum detection optical system provided by the utility model centrally arranges the reflective integrating sphere, the light source and the spectrometer inside the shell, has a compact structure, is convenient to carry and use, and when testing an object, the object to be tested is placed at the detection hole, the power is started, the light source is turned on, the light source focuses light through a condenser and transmits the light to the reflective integrating sphere through a focusing outlet, the reflective integrating sphere reflects light from the object to be tested, and finally the reflected light is transmitted to the spectrometer through the light outlet of the reflective integrating sphere, the spectrum is analyzed by the spectrometer and displayed on the control panel.
[0044] The output end of the optical system of the utility model is connected to the spectrometer 6, which is arranged inside the housing 1, and is used to receive the reflected light of the reflection integrating sphere 2 and perform spectral testing on the reflected light. The spectrometer light inlet 601 is arranged on the spectrometer 6, and the spectrometer light inlet 601 is connected to the reflection integrating sphere light outlet 203 through an optical fiber.
[0045] Since the focusing hood focuses the light emitted by the light source and generates a large amount of heat energy, a heat sink 7 is provided outside the focusing hood 3 to dissipate the heat energy generated by the light source and prevent the focusing hood from overheating and affecting the normal operation of the device.
[0046] In the embodiment of the utility model, the housing 1 includes a first housing 11 and a second housing 12. The first housing 11 and the second housing 12 are detachable structures, and the second housing is arranged at an angle with the first housing. The first housing and the second housing are arranged separately, and the second housing is detachably connected to the first housing. A power supply is arranged inside the second housing, which is arranged separately from the light source inside the first housing. The first housing and the second housing are designed at an angle, which is convenient for hand-held carrying.
[0047] In order to save space, the light inlet 202 and the light outlet 203 of the reflecting integrating sphere are arranged on the same side of the reflecting integrating sphere to make the structure more compact. The test window 201 of the reflecting integrating sphere is arranged on the housing on the side opposite to the light inlet 202 of the reflecting integrating sphere.
[0048] The included angle between the light entrance port 202 of the reflecting integrating sphere and the horizontal plane is less than 10°. Preferably, the included angle between the light entrance port 202 of the reflecting integrating sphere and the horizontal plane is 8°.
[0049] The shell is made of aluminum or engineering plastics, which is light in weight, making the reflection integrating sphere lightweight and easy to use and install.
[0050] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A reflection spectrum detection optical system, characterized in that: include: A housing, wherein a detection hole is provided on the housing; A reflective integrating sphere is arranged at one end of the housing near the detection hole, and the window to be measured of the reflective integrating sphere is fitted with the detection hole; a reflective integrating sphere light inlet and a reflective integrating sphere light outlet are arranged on the reflective integrating sphere; A condenser, wherein a condenser inlet and a condenser outlet are provided on the condenser, the condenser outlet is connected to the light inlet of the reflective integrating sphere, and the condenser inlet is connected to the light outlet of the light source; A light source is arranged inside the housing and is used to generate test light, wherein a light outlet of the light source is connected to a light-collecting inlet of the light-collecting cover; The power supply is arranged inside the shell and is used to provide working power for the light source.
2. The reflective spectrum detection optical system according to claim 1, characterized in that: A radiator is arranged outside the condenser.
3. The reflective spectrum detection optical system according to claim 1, characterized in that: The housing comprises a first housing and a second housing, the first housing and the second housing are detachable structures, and the second housing and the first housing are arranged at an angle.
4. The reflective spectrum detection optical system according to claim 1, characterized in that: The light inlet and the light outlet of the reflecting integrating sphere are arranged on the same side of the reflecting integrating sphere, and the window to be measured of the reflecting integrating sphere is arranged on the housing on the side opposite to the light inlet of the reflecting integrating sphere.
5. The reflective spectrum detection optical system according to claim 4, characterized in that: The angle between the light entrance of the reflective integrating sphere and the horizontal plane is less than 10°.
6. The reflective spectrum detection optical system according to claim 5, characterized in that: The angle between the light entrance of the reflective integrating sphere and the horizontal plane is 8°.
7. The reflective spectrum detection optical system according to claim 1, characterized in that: The shell is made of aluminum or aluminum alloy.
8. The reflective spectrum detection optical system according to claim 1, characterized in that: The shell is made of engineering plastics.