Spectral signal light collecting and enhancing device

Abstract

The utility model relates to a spectral signal light collecting and enhancing device, which comprises a reflective surface, the reflective surface is provided with an emission position and a collection position, light from the emission position is concentrated at the collection position through the reflective surface, and an object to be measured is arranged at the emission position; and the light collecting part is arranged at the collecting part, the light passing through the light collecting part is concentrated on one side of the light collecting part and forms a focus, and the focus is used for arranging a light receiving element. According to the utility model, the light reflecting surface is matched with the light collecting part, so that spectral signals emitted by an object to be detected can be continuously collected, the intensity of the spectral signals at a light receiving part is increased, and the precision of a spectral analysis process is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to material detection equipment technical field, specifically is a kind of spectrum signal light collection enhancement device. BACKGROUND

[0002] Laser-induced breakdown spectroscopy (LIBS) forms specific spectrum by using laser beam to ablate on the surface of sample to be measured, and obtains element type and content information in sample to be measured by analyzing spectrum.LIBS has good application prospect in many fields, such as smelting, food safety detection, energy exploration, ocean exploration and space exploration, etc.

[0003] The above, in the process of spectrum analysis, the strength of spectrum signal has certain requirement, when signal is weak, there can be low analysis accuracy and poor stability etc.Problems, in the current technology, laser source and light receiving probe are usually arranged on the side of sample to be measured, spectrum signal has certain distance when forming and transmitting to light receiving probe, and the equipment cannot converge spectrum signal, so that spectrum signal is difficult to concentrate at light receiving probe, so that signal can not reach required intensity, finally bring influence to analysis process. SUMMARY

[0004] This section aims to outline some aspects of the embodiments of the present utility model and briefly introduce some preferred embodiments.In this section, as well as the abstract of the specification and the utility model name, some simplification or omission can be made to avoid obscuring the purpose of this section, abstract of specification and utility model name, and this simplification or omission cannot be used to limit the scope of the present utility model.

[0005] To solve the problems in the above background art, the present utility model provides the following technical solutions:

[0006] A spectrum signal light collection enhancement device, comprising:

[0007] Reflective surface, the reflective surface has emission place and collection place, light from the emission place is concentrated on the collection place by reflective surface, and sample to be measured is arranged at the emission place;

[0008] Light collection part, arranged at the collection place, light passing through the light collection part is concentrated on one side of light collection part, and forms focal point, and light receiving element is arranged at the focal point.

[0009] As a preferred technical solution of spectrum signal light collection enhancement device, the reflective surface is concave, and the light collection part covers the concave side of the reflective surface and forms a sealed cavity.

[0010] As a preferred technical solution for a spectral signal light collection and enhancement device, it also includes a carrier, the reflective surface is constructed on the carrier, and a load part located at the emission point is detachably disposed on the carrier.

[0011] As a preferred technical solution for a spectral signal light collection and enhancement device, the loading part is threadedly engaged with the carrier.

[0012] As a preferred technical solution for a spectral signal light-gathering and enhancement device, the light receiving element includes a condenser and an optical fiber connected to the condenser.

[0013] As a preferred technical solution for a spectral signal light-gathering enhancement device, the light-gathering part includes a lens.

[0014] As a preferred technical solution for a spectral signal light collection and enhancement device, it also includes a laser emission source, which is set at a fixed point relative to the lens, and the light is emitted by the laser emission source and reaches the emission point after passing through the lens.

[0015] The beneficial effects of the spectral signal collection and enhancement device provided by this utility model are: by utilizing the cooperation between the reflective surface and the light-collecting part, the spectral signal emitted by the object to be measured can be continuously collected to increase the intensity of the spectral signal at the light receiving point, thereby ensuring the accuracy of the spectral analysis process. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0017] Figure 1 This is a perspective view of one embodiment of the present utility model.

[0018] Figure 2 For about Figure 1 A three-dimensional vertical section diagram of the structure shown in the middle section.

[0019] Figure 3 This is a schematic diagram of the light path during the light collection process described in the embodiments of this utility model.

[0020] Figure 4 This is a schematic diagram of the light path during the laser emission process described in this embodiment of the present invention.

[0021] Reference numerals: 1. Reflective surface; 2. Light collecting part; 3. Light receiving element; 301. Condenser; 302. Optical fiber; 4. Carrier; 5. Object carrying part; 6. Laser emission source. Detailed Implementation

[0022] In order to make the above objects, features and advantages of the present application more apparent, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0023] In the following description, a lot of specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be practiced in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0024] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent of or mutually exclusive of other embodiments.

[0025] Thirdly, the present application is described in detail in conjunction with the schematic diagram, and in order to facilitate the description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0026] Referring to Figures 1-4 , one embodiment of the present application provides a light spectrum signal light collection enhancement device, comprising the following technical features or components:

[0027] The light-reflecting surface 1 has an emission position and a collection position, and the structure of the light-reflecting surface 1 can enable the light from the emission position to be concentrated at the collection position under the reflection of the light-reflecting surface 1;

[0028] The light collection part 2 is arranged at the collection position, and the light passing through the light collection part 2 can be concentrated on one side of the light collection part 2, and the range is collected into a focal point;

[0029] When the present application is configured on a laser-induced breakdown spectroscopy analysis device, the light receiving element 3 on the device is arranged at the focal point, and when the substance is analyzed, the measured substance is arranged at the emission position, and after the measured substance is acted on by the laser, the plasma emission spectrum signal is collected by the action of the light-reflecting surface 1, and then is converged at the focal point under the action of the light collection part 2 to be received, thereby ensuring the intensity of the final spectrum signal.

[0030] Specifically, for some specific elements and structural features involved in the present application, the following:

[0031] With reference to Figures 1-4 The utility model also includes carrier 4, the reflective surface 1 constructs on carrier 4, the structure of carrier 4 can facilitate installation on equipment, thereby facilitating the configuration of reflective surface 1 on equipment;

[0032] Further, and the structure of carrier 4 makes reflective surface 1 present concave, the recess is the collection place of reflective surface 1, the light collecting part 2 forms cover to the recess on the side of reflective surface 1, to form a sealed cavity structure with reflective surface 1, the structure of sealed cavity makes it convenient to fill inert gas in its inside, to protect the chemical stability of the measured object in the process of laser burning;

[0033] With reference to Figures 1-4 For the placement process of measured object, the utility model also includes carrier 5, which is detachably arranged on carrier 4, so that when placing the measured object, the measured object is placed on carrier 5, and carrier 5 is arranged on carrier 4, as shown in Figure 2 And Figure 3 The position of carrier 5 is the emission position, when the measured object forms a spectrum signal, the reflection path of the spectrum is shown by the arrow in the figure, and the light reaches the light collecting part 2 after being reflected by the reflective surface 1 for the first time. The light collecting part 2 can specifically adopt a lens structure, and the light reaching the light collecting part 2 is bent again for the second time and finally concentrates on the light receiving element 3.

[0034] With reference to Figure 2 For the disassembly process of carrier 5, the carrier 5 and the carrier 4 are arranged in threaded cooperation, so that the carrier 5 can be taken out by screwing, and when the inert gas is filled into the sealed cavity, the carrier 5 is taken off, and the inert gas is filled from the bottom of the carrier 4, and then the carrier 5 is mounted on the carrier 4 to realize the storage of the inert gas.

[0035] With reference to Figure 1 And Figure 3 The light receiving element 3 specifically includes a light condensing cover 301 and an optical fiber 302 connected to the light condensing cover 301, the light condensing cover 301 can further guide and condense the collected light, so as to guide to the end of the optical fiber 302, and the other end of the optical fiber 302 is connected to the spectrum analyzer.

[0036] Further, with reference to Figure 1 And Figure 4On the basis of the lens matching, for the laser emission mode, specifically, the laser emission source 6 can be arranged at a fixed position on one side of the lens, in the process of burning the measured object, after the light is emitted by the laser emission source 6, the light passes through the lens and is refracted under the action of the lens to reach the emission position, this structure makes the configuration process of the laser emission source 6 more simple, and the number of the laser emission source 6 can be configured as multiple and arrayed.

[0037] It should be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions can be made. Such development efforts might be complex and time-consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure, without undue experimentation.

[0038] It should be noted that the above examples are only used to illustrate the technical scheme of the present application, not to limit it, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical scheme of the present application can be modified or replaced by equivalent, without departing from the spirit and scope of the technical scheme of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. A spectral signal set light enhancement device, characterized by: The application relates to a light reflection surface and a light collection device. The light reflection surface has a light emission position and a light collection position, light from the light emission position is collected by the light reflection surface and concentrated at the light collection position, and an object to be measured is arranged at the light emission position. The light collection device is arranged at the light collection position, light passing through the light collection device is concentrated on one side of the light collection device and forms a focal point, and a light receiving element is arranged at the focal point.

2. The optical spectral signal set light enhancing device according to claim 1, characterized in that: The light reflection surface is concave, the light collection device covers the concave side of the light reflection surface and forms a sealed cavity.

3. The optical spectral signal light-enhancing device of claim 1, wherein: The light reflection surface is arranged on a carrier, and a carrier object part is detachably arranged on the carrier at the light emission position.

4. The optical spectral signal set light enhancing device according to claim 3, characterized in that: The carrier object part is threadedly connected with the carrier.

5. The optical spectral signal light-enhancing device of claim 1, wherein: The light receiving element comprises a light collection cover and an optical fiber connected with the light collection cover.

6. The optical spectral signal light-enhancing device of claim 1, wherein: The light collection device comprises a lens.

7. The optical spectral signal light-enhancing device according to claim 6, characterized in that: A laser emission source is arranged at a relative fixed position of the lens, light is emitted from the laser emission source, passes through the lens and reaches the light emission position.

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