一种多通道手持LIBS光谱设备
By designing a compact, multi-channel handheld LIBS spectrometer, configuring multiple spectrometers with fiber optic connection output ports, and setting up a protective gas path, the problems of low resolution and limited detection range of existing spectrometers are solved, the detection accuracy and signal stability of non-metals are improved, and the device is made small and portable.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEFEI GOLD STAR INTELLIGENT CONTROL TECH CO LTD
- Filing Date
- 2025-08-12
- Publication Date
- 2026-07-17
AI Technical Summary
Existing handheld LIBS spectrometers suffer from insufficient resolution, limited detection range, low testing accuracy, and lack of atmosphere protection, especially when detecting non-metallic substances. Furthermore, multi-channel spectrometers are bulky and too large.
Design a compact, multi-channel handheld LIBS spectrometer, equipped with multiple spectrometers and fiber optic output ports, featuring protective gas and purge gas paths, employing a high-energy micro-pulse solid-state laser and a micro temperature control circuit, powered by a touchscreen, and with an overall compact and portable structure.
It improves the resolution of the spectrometer, the detection accuracy of non-metallic elements, signal strength and stability, overcomes the detection limitations of single-channel spectrometers, and the overall device is compact and portable.
Smart Images
Figure CN224518531U_ABST
Abstract
Claims
1. A multi-channel handheld LIBS spectroscopy device, characterized in that, It includes a housing (1), a battery (201), a laser (302), and several spectrometers (204). The housing (1) includes a working cavity and a handle cavity that are interconnected. One end of the working cavity is provided with a light outlet, and the other end is equipped with a touch screen (402). The laser (302) is installed in the working cavity of the housing (1), and the laser (302) is used to emit laser light toward the light outlet; The spectrometers (204) are located in the working cavity of the housing (1) and are installed on both sides of the laser (302); each spectrometer (204) is connected to an optical fiber (401) that extends to the light outlet. The battery (201) is detachably mounted in the handle cavity of the housing (1), and the spectrometer (204), laser (302) and touch screen (402) are electrically connected.
2. The multi-channel handheld LIBS spectroscopy device according to claim 1, wherein, The upper surface of the housing (1) is provided with a top cover (103), the surface of the top cover (103) is provided with a gas cylinder opening, and the gas cylinder opening is provided with a gas cylinder cap (102).
3. The multi-channel handheld LIBS spectroscopy device according to claim 1, wherein, The housing (1) has a screen cover (117) at one end where the touch screen (402) is installed. The screen cover (117) is used to protect the touch screen (402).
4. The multi-channel handheld LIBS spectroscopy device of claim 1, wherein, The housing (1) is also equipped with a safety switch (108) and a test trigger (109); the safety switch (108) and the test trigger (109) are both electrically connected to the touch screen (402).
5. The multi-channel handheld LIBS spectroscopic device according to claim 1, wherein, A focusing lens (403) is installed in the optical path between the laser (302) and the output port.
6. The multi-channel handheld LIBS spectroscopic device according to claim 1, wherein, The handle cavity of the housing (1) has an opening at its end, and a battery cover (111) is provided at the opening of the handle cavity.
7. The multi-channel handheld LIBS spectroscopic device according to claim 1, wherein, Two spectrometers (204) are provided.
8. The multi-channel handheld LIBS spectroscopic device according to claim 2, wherein, An air valve (306) is also installed in the working chamber of the housing (1); the air valve (306) is connected to an air cylinder (304), and the air cylinder (304) is inserted into the air cylinder opening after the air cylinder cap (102) is removed.
9. The multi-channel handheld LIBS spectroscopic device according to claim 8, wherein, The gas valve (306) is connected to a protective gas passage (305), and the protective gas passage (305) is connected to a purge gas passage hole (303); the purge gas passage hole (303) extends to the light outlet and is used to purge gas to the light outlet.
10. A multi-channel handheld LIBS spectrometer according to any one of claims 1-9, characterized in that, In the working cavity of the housing (1), an upper support plate (205) is installed on the upper surface of the spectrometer (204), and a lower support plate (209) is installed on the lower surface. A transition support member (210) is connected between the upper support plate (205) and the cavity wall of the working cavity. The lower support plate (209) is connected to a battery support member (202). The surface of the battery support (202) away from the lower support plate (209) abuts against one end of the battery (201).