An infrared spectrum detection test device

Abstract

The utility model relates to the technical field of detection devices. In order to solve the shortcomings of the prior art that the infrared probe is fixedly installed, the detection distance cannot be adjusted according to the volume of the detected object, signal distortion is prone to occur, and the applicable range of the detection object is small, an infrared spectrum detection test device is proposed, including a bottom frame, a side plate is fixedly installed on one side of the top of the bottom frame, a slide groove is opened on one side of the side plate, a cover plate and a tray are slidably installed in the slide groove, a clamping mechanism is installed on one side of the side plate, and a detection barrel is installed in the clamping mechanism. The utility model drives the adjusting screw to rotate by rotating the hand wheel, thereby driving the infrared probe to move up and down, and the moving distance of the infrared probe can be observed at all times through the scale line, so that it is suitable for the detection of objects of different volumes, and the detection accuracy is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to an infrared spectrum detection test device. Background Art

[0002] In infrared spectroscopy, when a sample is exposed to infrared light, the molecules will absorb infrared light of a specific wavelength. The energy of the absorbed light is related to the vibration and rotation of the molecules. Different molecular structures or chemical bonds will absorb infrared light at specific wavenumber positions, so the chemical composition and structural characteristics of the sample can be inferred based on the absorption characteristics of the sample on the infrared spectrum.

[0003] An infrared spectrum detection test device in the prior art (publication number: CN217688553U) discharges carbon dioxide in the detection environment out of the device by gas replacement, thereby preventing carbon dioxide from interfering with the sample peak and improving the accuracy of the test results. However, the infrared probe in the device is installed in a fixed position and the detection distance cannot be adjusted according to the volume of the detected object. Signal distortion is prone to occur and the applicable range of the detection object is small. Therefore, it is urgent to design an infrared spectrum detection test device with flexible detection. Utility Model Content

[0004] The utility model aims to solve the shortcomings of the prior art, that is, the infrared probe is fixed in installation position, the detection distance cannot be adjusted according to the volume of the detected object, signal distortion is easy to occur, and the applicable range of the detected object is small, and an infrared spectrum detection test device is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An infrared spectrum detection test device comprises a bottom frame, a side plate is fixedly mounted on one side of the top of the bottom frame, a slide groove is provided on one side of the side plate, a cover plate and a tray are slidably mounted in the slide groove, a clamping mechanism is installed on one side of the side plate, a detection barrel is installed in the clamping mechanism, a threaded hole is provided in the middle of the top of the cover plate, an adjusting screw is provided in the threaded hole, three grooves are evenly arranged on the surface of the adjusting screw in a circular shape, each of the grooves is engraved with scale lines, a sealing ring is sleeved on the outer surface of the adjusting screw, three convex rafters matching the grooves are provided on the inner surface of the sealing ring, an infrared probe is installed at the bottom of the adjusting screw, and a hand wheel is fixedly mounted on the top of the adjusting screw.

[0007] As a further technical solution of the utility model, the sealing ring is slidably installed on the surface of the adjusting screw through a convex rafter, and two air holes are opened on the surface of the cover plate. The air holes are connected to the nitrogen gas supply equipment through an air pipe, and the other air hole is connected to the air outside the equipment through an air pipe.

[0008] As a further technical solution of the utility model, a first screw rod and a second screw rod are rotatably installed in the slide groove, the top end of the second screw rod is fixedly installed on the bottom end of the first screw rod, a servo motor is fixedly installed on the bottom of the bottom frame, and the output end of the servo motor is fixedly installed on the rotation center of the bottom end of the second screw rod.

[0009] As a further technical solution of the utility model, one end of the first screw rod passes through the outer surface of the cover plate and is threadedly connected thereto, and one end of the second screw rod passes through the outer surface of the tray and is threadedly connected thereto.

[0010] As a further technical solution of the utility model, the clamping mechanism includes a fixed slot and a movable slot. The fixed slot is fixedly installed on one side of the side panel. One end of the movable slot is hinged to one end of the fixed slot. The inner diameter surrounded by the fixed slot and the movable slot is adapted to the outer diameter of the detection tube. Limiting holes are provided at the bottom of the other end of the movable slot and the fixed slot.

[0011] As a further technical solution of the utility model, an annular protrusion is provided on the outer surface of the detection tube, a connecting block is fixedly installed on the edge of the tray, and two limiting pins matching the limiting holes are provided on the top of the connecting block.

[0012] As a further technical solution of the utility model, a plurality of self-locking universal wheels are installed around the bottom of the bottom frame.

[0013] The beneficial effects of the utility model are:

[0014] By setting the cover plate and the tray to slide towards each other in the slide groove opened in the side plate at the same time, they work closely with the detection tube to form a sealed detection environment. The adjusting screw is driven to rotate by turning the handwheel, and then the infrared probe is driven to move up and down. The moving distance of the infrared probe can be observed at all times through the scale line, and the infrared probe can be accurately adjusted. The infrared probe is adjusted to the appropriate distance according to the different volumes of the material to be detected, thereby improving the accuracy of equipment detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of an infrared spectrum detection test device proposed by the utility model;

[0016] Figure 2 for Figure 1 A schematic diagram of the enlarged structure of part A;

[0017] Figure 3 This is a schematic diagram of the upward structure of an infrared spectrum detection test device proposed by the utility model;

[0018] Figure 4 This is a schematic diagram of the split structure of an infrared spectrum detection test device proposed by the utility model;

[0019] Figure 5 for Figure 4 Schematic diagram of the enlarged structure of part B.

[0020] In the figure: 1. bottom frame; 2. side panel; 3. first screw rod; 4. clamping mechanism; 5. detection tube; 6. cover plate; 7. adjusting screw rod; 8. hand wheel; 9. air hole; 10. sealing ring; 11. groove; 12. scale line; 13. second screw rod; 14. tray; 15. connecting block; 16. servo motor; 17. infrared probe; 401. fixed card slot; 402. movable card slot; 403. limit hole. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Please see attached Figure 1 -Attached Figure 5, an infrared spectrum detection test device, including a bottom frame 1, a side plate 2 is fixedly installed on one side of the top of the bottom frame 1, a slide groove is opened on one side of the side plate 2, a cover plate 6 and a tray 14 are slidably installed in the slide groove, a clamping mechanism 4 is installed on one side of the side plate 2, a detection tube 5 is installed in the clamping mechanism 4, a threaded hole is opened in the middle of the top of the cover plate 6, an adjusting screw 7 is arranged in the threaded hole, three grooves 11 are evenly opened on the surface of the adjusting screw 7 in a circumferential manner, each groove 11 is engraved with a scale line 12, a sealing ring 10 is sleeved on the outer surface of the adjusting screw 7, and three convex rafters matching the grooves 11 are arranged on the inner surface of the sealing ring 10, and the bottom of the adjusting screw 7 is installed There is an infrared probe 17, and a hand wheel 8 is fixedly installed on the top of the adjusting screw 7. Through the setting of the equipment, the cover plate 6 and the tray 14 slide towards each other in the slide groove opened in the side plate 2 at the same time, and cooperate closely with the detection tube 5 to form a sealed detection environment. By turning the hand wheel 8, the adjusting screw 7 is driven to rotate, and then the infrared probe 17 is driven to move up and down. The moving distance of the infrared probe 17 can be observed at all times through the scale line 12, and then the infrared probe 17 can be accurately adjusted, so that the infrared probe 17 is adjusted to an appropriate distance according to the different volumes of the material to be detected, thereby improving the applicable range of the equipment detection and the accuracy of the equipment detection.

[0025] Please see attached Figure 1 -Attached Figure 3 In a preferred embodiment, the sealing ring 10 is slidably installed on the surface of the adjusting screw 7 through the convex rafter, and two air holes 9 are opened on the surface of the cover plate 6. The air hole 9 is connected to the nitrogen gas supply device through the air pipe, and the other air hole 9 is connected to the air outside the equipment through the air pipe. The first screw rod 3 and the second screw rod 13 are rotatably installed in the slide groove, and the top of the second screw rod 13 is fixedly installed with the bottom end of the first screw rod 3. A servo motor 16 is fixedly installed at the bottom of the bottom frame 1, and the output end of the servo motor 16 is fixedly installed with the rotation center of the bottom end of the second screw rod 13. One end of the first screw rod 3 passes through the outer surface of the cover plate 6 and is threadedly connected with it, and the second One end of the screw rod 13 passes through the outer surface of the tray 14 and is threadedly connected thereto. Two air holes 9 are provided for gas replacement, and nitrogen is delivered to the sealed detection tube 5 through a nitrogen gas supply device, and the air containing carbon dioxide inside the equipment is discharged from the equipment through another air hole 9, which is convenient for infrared spectrum detection. The thread grooves of the first screw rod 3 and the second screw rod 13 are arranged in a symmetrical structure. After the servo motor 16 is started, it can simultaneously drive the first screw rod 3 and the second screw rod 13 to rotate, and then respectively drive the cover plate 6 and the tray 14 to slide toward and oppositely along the side plate 2, thereby improving the convenience of the equipment in taking and placing materials.

[0026] Please see attached Figure 4 and attached Figure 5In a preferred embodiment, the clamping mechanism 4 includes a fixed card slot 401 and a movable card slot 402, the fixed card slot 401 is fixedly installed on one side of the side plate 2, one end of the movable card slot 402 is hinged to one end of the fixed card slot 401, the inner diameter surrounded by the fixed card slot 401 and the movable card slot 402 is adapted to the outer diameter of the detection tube 5, and the bottom of the movable card slot 402 and the other end of the fixed card slot 401 are both provided with a limiting hole 403, the outer surface of the detection tube 5 is provided with an annular protrusion, and the edge of the tray 14 is fixedly installed There is a connecting block 15, and two limit pins matched with the limit holes 403 are arranged on the top of the connecting block 15. A plurality of self-locking universal wheels are installed around the bottom of the bottom frame 1. By setting an annular protrusion, it is convenient to place the detection tube 5 on the top of the clamping mechanism 4, rotate the movable card slot 402 to clamp the detection tube 5, and the tray 14 rises and seals against the bottom of the detection tube 5. The limit pins of the connecting block 15 are inserted into the corresponding limit holes 403, so that the equipment is more stable during the detection process and the accuracy of the equipment detection data is improved.

[0027] 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. An infrared spectrum detection test device, comprising a bottom frame (1), characterized in that: A side plate (2) is fixedly mounted on one side of the top of the bottom frame (1), a slide groove is provided on one side of the side plate (2), a cover plate (6) and a tray (14) are slidably mounted in the slide groove, a clamping mechanism (4) is installed on one side of the side plate (2), a detection tube (5) is installed in the clamping mechanism (4), a threaded hole is provided in the middle of the top of the cover plate (6), an adjusting screw (7) is provided in the threaded hole, three grooves (11) are evenly arranged on the surface of the adjusting screw (7), each of the grooves (11) is engraved with a scale line (12), a sealing ring (10) is sleeved on the outer surface of the adjusting screw (7), and three convex rafters matching the grooves (11) are provided on the inner surface of the sealing ring (10), an infrared probe (17) is installed at the bottom of the adjusting screw (7), and a hand wheel (8) is fixedly mounted on the top of the adjusting screw (7).

2. An infrared spectrum detection test device according to claim 1, characterized in that: The sealing ring (10) is slidably mounted on the surface of the adjusting screw (7) through a convex rafter. Two air holes (9) are provided on the surface of the cover plate (6). The air holes (9) are connected to the nitrogen gas supply device through an air pipe, and the other air hole (9) is connected to the air outside the device through an air pipe.

3. An infrared spectrum detection test device according to claim 1, characterized in that: A first screw rod (3) and a second screw rod (13) are rotatably mounted in the slide groove, the top end of the second screw rod (13) is fixedly mounted to the bottom end of the first screw rod (3), a servo motor (16) is fixedly mounted to the bottom of the bottom frame (1), and the output end of the servo motor (16) is fixedly mounted to the rotation center of the bottom end of the second screw rod (13).

4. An infrared spectrum detection test device according to claim 3, characterized in that: One end of the first screw rod (3) passes through the outer surface of the cover plate (6) and is threadedly connected thereto, and one end of the second screw rod (13) passes through the outer surface of the tray (14) and is threadedly connected thereto.

5. The infrared spectrum detection test device according to claim 1, characterized in that: The clamping mechanism (4) comprises a fixed slot (401) and a movable slot (402); the fixed slot (401) is fixedly mounted on one side of the side plate (2); one end of the movable slot (402) is hinged to one end of the fixed slot (401); the inner diameter enclosed by the fixed slot (401) and the movable slot (402) is adapted to the outer diameter of the detection tube (5); and limiting holes (403) are provided at the bottoms of the other ends of the movable slot (402) and the fixed slot (401).

6. An infrared spectrum detection test device according to claim 5, characterized in that: An annular protrusion is provided on the outer surface of the detection cylinder (5), a connecting block (15) is fixedly mounted on the edge of the tray (14), and two limiting pins matching the limiting holes (403) are provided on the top of the connecting block (15).

7. An infrared spectrum detection test device according to claim 1, characterized in that: A plurality of self-locking universal wheels are installed around the bottom of the bottom frame (1).

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