Portable Raman spectrometer

Abstract

The utility model belongs to the technical field of Raman spectrometers, and particularly relates to a portable Raman spectrometer which comprises a portable box, a Raman spectrometer platform is arranged in the portable box, an operation table and a sample table are arranged on the surface of the Raman spectrometer platform, and a power switch, a display screen and a probe lifting frame are arranged on the surface of the operation table. A storage bin is arranged at the bottom of the operation table, and an optical fiber detection mechanism is directly arranged between the operation table and the Raman spectrometer platform. According to the utility model, the Raman spectrometer is arranged in the portable box, so that the Raman spectrometer is convenient to carry, and the detection probe is inserted into the probe hole through the probe lifting frame, so that the detection probe is vertically aligned with a sample on the surface of the sample table, and vertical detection is carried out.

Description

Technical Field

[0001] The utility model belongs to the technical field of Raman spectrometers, and particularly relates to a portable Raman spectrometer. Background Art

[0002] Raman spectrometers are mainly used in scientific research institutes, physical and chemical laboratories of colleges and universities, biological and medical fields, and other optical fields to study the determination and confirmation of material composition; they can also be used in criminal investigation and jewelry industry to detect drugs and identify gemstones. The instrument is known for its simple structure, easy operation, fast, efficient and accurate measurement, and low wavenumber measurement capability; it adopts confocal optical path design to obtain higher resolution, and can perform um-level micro-area detection on the sample surface, and can also be used for microscopic image measurement.

[0003] Although existing Raman spectrometers can detect substances with high precision, they are bulky and heavy and need to be used in laboratories, which cannot meet the needs of rapid detection in actual situations.

[0004] Therefore, it is necessary to invent a portable Raman spectrometer to solve the above problems. Utility Model Content

[0005] In view of the above problems, the utility model provides a portable Raman spectrometer to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a portable Raman spectrometer, comprising a portable box, a Raman spectrometer platform is arranged inside the portable box, an operating table and a sample table are arranged on the surface of the Raman spectrometer platform, a power switch, a display screen and a probe lifting frame are arranged on the surface of the operating table, a storage bin is arranged at the bottom of the operating table, and an optical fiber detection mechanism is directly arranged between the operating table and the Raman spectrometer platform.

[0007] Furthermore, the probe lifting frame includes a positioning rod, the positioning rod is threadedly connected to the surface of the operating table, a probe rack is arranged on the surface of the positioning rod, and a probe hole is opened on the surface of the probe rack, and the probe hole is arranged corresponding to the position of the sample stage.

[0008] Furthermore, one end of the probe frame away from the probe hole is open, and a locking screw is threadedly connected between the two sides.

[0009] Furthermore, the display screen and the operating table are hinged, and the friction force at the connection position is greater than the gravity of the display screen, so as to tilt the display screen.

[0010] Furthermore, the optical fiber detection mechanism includes a detection probe and an optical fiber cable. The bottom of the detection probe is clamped with a probe fixing frame, and the probe fixing frame is fixedly connected to the surface of the Raman spectrometer platform. The optical fiber cable is wound around the side panel of the operating table, and limit plates are fixedly connected on both sides of the operating table for compacting the optical fiber cable.

[0011] Technical effects and advantages of the utility model:

[0012] 1. The utility model places the Raman spectrometer in a portable box so as to facilitate carrying the Raman spectrometer, and inserts the detection probe into the probe hole through the probe lifting frame, so that the detection probe is vertically aligned with the sample on the surface of the sample stage, thereby performing vertical detection.

[0013] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 The overall structure schematic diagram of the embodiment of the utility model is shown;

[0016] Figure 2 A partial structural schematic diagram of an embodiment of the utility model is shown;

[0017] Figure 3 A schematic diagram showing vertical detection of an embodiment of the utility model is shown.

[0018] In the figure: 1. portable box; 2. Raman spectrometer platform; 3. operating table; 4. sample table; 6. power switch; 7. display screen; 8. probe lifting frame; 801. positioning rod; 802. probe frame; 803. probe hole; 804. locking screw; 9. optical fiber detection mechanism; 901. detection probe; 902. optical fiber cable; 903. probe fixing frame; 904. limit plate. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The utility model provides a portable Raman spectrometer, such as Figure 1-3 As shown, it includes a portable box 1, wherein a Raman spectrometer platform 2 is arranged inside the portable box 1, an operating table 3 and a sample table 4 are arranged on the surface of the Raman spectrometer platform 2, a power switch 6, a display screen 7 and a probe lifting frame 8 are arranged on the surface of the operating table 3, a storage bin is arranged at the bottom of the operating table 3, wherein the storage bin can prevent adapters, sample bottles, probe lifting frames 8, etc., an optical fiber detection mechanism 9 is directly arranged between the operating table 3 and the Raman spectrometer platform 2, the display screen 7 and the operating table 3 are hingedly arranged, and the friction force at the connection position is greater than the gravity of the display screen 7, which is used to tilt the display screen 7, the probe lifting frame 8 includes a positioning rod 801, the positioning rod 801 is threadedly connected to the surface of the operating table 3, a probe frame 802 is arranged on the surface of the positioning rod 801, and a probe hole 803 is opened on the surface of the probe frame 802, the probe hole 803 is arranged corresponding to the position of the sample table 4, and the end of the probe frame 802 away from the probe hole 803 is open, and a locking screw 804 is threadedly connected between the two sides.

[0021] When the Raman spectrometer is in use, the display screen 7 can be bent upward to make it tilted for easy observation, and then the optical fiber cable 902 of the optical fiber detection mechanism 9 coiled on the side of the operating table 3 can be opened, and then the detection probe 901 can be inserted into the probe hole 803, so that the detection probe 901 is vertically aligned with the sample on the surface of the sample stage 4, so as to perform vertical detection. When the position of the detection probe 901 needs to be adjusted, the probe holder 802 is moved to the corresponding position by turning the locking screw 804, and then the locking screw 804 is tightened to fix the probe holder 802.

[0022] like Figure 1-3 As shown, the optical fiber detection mechanism 9 includes a detection probe 901 and an optical fiber cable 902. A probe fixing frame 903 is clamped at the bottom of the detection probe 901. The probe fixing frame 903 is fixedly connected to the surface of the Raman spectrometer platform 2. The optical fiber cable 902 is wound around the side panel of the operating table 3, and both sides of the operating table 3 are fixedly connected with limiting plates 904 for pressing the optical fiber cable 902.

[0023] The optical fiber detection mechanism 9 is fixed by winding the optical fiber cable 902 around the operating table 3 , clamping the detection probe 901 with the probe fixing frame 903 , and then pressing the optical fiber cable 902 with the limiting plate 904 .

[0024] Working principle of this utility model:

[0025] Refer to the instruction manual Figure 1-3 When the Raman spectrometer is in use, the display screen 7 can be bent upward to make the display screen 7 tilted for easy observation, and then the optical fiber cable 902 of the optical fiber detection mechanism 9 coiled on the side of the operating table 3 is opened, and then the detection probe 901 is inserted into the probe hole 803, so that the detection probe 901 is vertically aligned with the sample on the surface of the sample stage 4, so as to perform vertical detection. When the position of the detection probe 901 needs to be adjusted, the probe frame 802 is moved to the corresponding position by rotating the locking screw 804, and then the locking screw 804 is tightened to fix the probe frame 802.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A portable Raman spectrometer, comprising a portable case (1), characterized in that: A Raman spectrometer platform (2) is arranged inside the portable box (1); an operating table (3) and a sample table (4) are arranged on the surface of the Raman spectrometer platform (2); a power switch (6), a display screen (7) and a probe lifting frame (8) are arranged on the surface of the operating table (3); a storage compartment is arranged at the bottom of the operating table (3); and an optical fiber detection mechanism (9) is directly arranged between the operating table (3) and the Raman spectrometer platform (2).

2. The portable Raman spectrometer according to claim 1, characterized in that: The probe lifting frame (8) comprises a positioning rod (801), wherein the positioning rod (801) is threadedly connected to the surface of the operating table (3), a probe frame (802) is arranged on the surface of the positioning rod (801), and a probe hole (803) is opened on the surface of the probe frame (802), and the probe hole (803) is arranged corresponding to the position of the sample table (4).

3. The portable Raman spectrometer according to claim 2, characterized in that: One end of the probe frame (802) away from the probe hole (803) is open, and a locking screw (804) is threadedly connected between the two sides.

4. The portable Raman spectrometer according to claim 1, characterized in that: The display screen (7) and the operating table (3) are hingedly connected, and the friction force at the connection position is greater than the gravity of the display screen (7), which is used to tilt the display screen (7).

5. The portable Raman spectrometer according to claim 1, characterized in that: The optical fiber detection mechanism (9) comprises a detection probe (901) and an optical fiber cable (902); a probe fixing frame (903) is clamped at the bottom of the detection probe (901); the probe fixing frame (903) is fixedly connected to the surface of the Raman spectrometer platform (2); the optical fiber cable (902) is wound around the side plate of the operating table (3), and both sides of the operating table (3) are fixedly connected with limit plates (904) for pressing the optical fiber cable (902).

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