Near-infrared detection device with adjusting structure

Abstract

The invention discloses a near-infrared detection device with an adjusting structure, and particularly relates to the technical field of near-infrared detection.The near-infrared detection device comprises a material runner, the bottom of the material runner communicates with a shell, a heat dissipation mechanism is arranged on the back face of the shell, and the heat dissipation mechanism comprises an electric telescopic rod; the right side of the electric telescopic rod is fixedly connected with a connecting block, the top of the connecting block is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with a driving gear. According to the device, the heat dissipation mechanism is arranged, a fan and a first motor are controlled to work through a PLC, gas is sucked in through a suction pipe, and then through cooperation of a connecting pipe, a sleeve, a movable pipe and a spray head, the gas is exhausted into an inner cavity of the frame, so that the air flow speed of the inner cavity of the frame can be increased, and a driving gear is driven to rotate through the first motor; the driving gear drives the driven gear to rotate, the driven gear drives the movable pipe to rotate, and the movable pipe drives the spray head to rotate, so that the near-infrared probe body can conveniently carry out heat dissipation work.

Description

Technical Field

[0001] The present invention relates to the technical field of near infrared detection, and more specifically, to a near infrared detection device with an adjustment structure. Background Art

[0002] Near-infrared spectroscopy (NIR) is an important spectral analysis technology, which is widely used in chemistry, materials science, biology and medicine. In the intelligent production process of food, pharmaceuticals, feed production and other fields, online near-infrared detection systems are used to measure liquid or solid powder materials. The light signal obtained by the infrared probe is transmitted back to the spectrometer to analyze the material information, such as the mixing uniformity, content uniformity, moisture content, etc.

[0003] According to the patent document: CN209327211U, a near-infrared detection device is disclosed, which includes a diffuse reflection phototube, a diffuse reflection filter, a diffuse reflection Fresnel lens, a near-infrared light source, a sample stage, a transmission Fresnel lens, a transmission filter and a transmission phototube. The present invention forms the transmission light and diffuse reflection light optical paths respectively through the diffuse reflection Fresnel lens and the transmission Fresnel lens, and uses the diffuse reflection phototube and the transmission phototube to generate photoelectric signals respectively, thereby providing a data basis for detecting sample characteristic information; the present invention has the advantages of simple structure and low cost, few functions but can be customized, and is suitable for promotion and application.

[0004] At present, in daily use, traditional near-infrared detection devices are unable to alternately adjust and use two near-infrared detection devices. They all work with a single near-infrared detection device. When the detection end of the near-infrared detection device needs to be cleaned, it needs to be shut down, which will affect the operation of the equipment. If it is not cleaned, the attached dust will affect the detection effect of the near-infrared detection device. At the same time, it does not have an auxiliary heat dissipation function, resulting in poor heat dissipation effect of the near-infrared detection device, which will also affect its sensitivity and cannot meet the use requirements. Summary of the invention

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a near-infrared detection device with an adjustment structure. The technical problem to be solved by the present invention is: in the daily use of the current traditional near-infrared detection device, it is impossible to alternately adjust and use two near-infrared detection devices. A single near-infrared detection device is used for work. When the detection end of the near-infrared detection device needs to be cleaned, it needs to be shut down, which will affect the operation of the equipment. If it is not cleaned, the attached dust will affect the detection effect of the near-infrared detection device. At the same time, it does not have an auxiliary heat dissipation function, resulting in poor heat dissipation effect of the near-infrared detection device, which will also affect its sensitivity, thereby failing to meet the use requirements.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a near-infrared detection device with an adjustment structure, comprising a material flow channel, the bottom of the material flow channel is connected to a shell, the back of the shell is provided with a heat dissipation mechanism, the heat dissipation mechanism comprises an electric telescopic rod, the right side of the electric telescopic rod is fixedly connected to a connecting block, the top of the connecting block is fixedly connected to a first motor, the output end of the first motor is fixedly connected to a driving gear, a fan is provided at the bottom of the back of the shell, one side of the fan is connected to an exhaust pipe, the other side of the fan is connected to a connecting pipe, one side of the connecting pipe is connected to a sleeve, the front of the sleeve is plugged with a movable pipe, the surface of the movable pipe is fixedly connected to a driven gear, the front of the movable pipe is connected to a nozzle, the bottom of the sleeve is movably connected to a movable valve, the bottom of the movable valve is fixedly connected to an adjusting gear, one side of the adjusting gear is meshed with a tooth plate, one side of the tooth plate is fixedly connected to a fixed rod, and one side of the fixed rod is fixedly connected to the connecting block.

[0007] As a further solution of the present invention: an adjustment mechanism is provided on one side of the shell, and the adjustment mechanism includes an electric push rod, one side of the electric push rod is fixedly connected to a rectangular block, one side of the rectangular block is fixedly connected to a first sealing plate, one side of the first sealing plate is fixedly connected to an adjustment rod, and one side of the adjustment rod is fixedly connected to a second sealing plate.

[0008] As a further solution of the present invention: a cleaning mechanism is provided on the outside of the shell, and the cleaning mechanism includes a water tank, one side of the water tank is fixedly connected to the shell, the other side of the water tank is connected to a water pump, one side of the water pump is connected to a drain pipe, one side of the drain pipe is connected to a connector, the front side of the shell and both sides located at the central axis are fixedly connected to a second motor, the output end of the second motor is fixedly connected to a screw rod, the surface of the screw rod is threadedly connected to a connecting frame, and one side of the connecting frame is fixedly connected to a brush rod.

[0009] As a further solution of the present invention: the tops of both sides of the inner wall of the shell are fixedly connected to a frame, both sides of the inner cavity of the frame are fixedly connected to limit blocks, and one side of the limit blocks is fixedly connected to a near-infrared probe body, a rectangular groove is opened on the top of the frame, and transparent glass is fixedly connected to the inner cavity of the rectangular groove.

[0010] As a further solution of the present invention: a rectangular plate is fixedly connected to one side of the electric telescopic rod, and the front side of the rectangular plate is fixedly connected to the housing.

[0011] As a further solution of the present invention: a bracket is fixedly connected to one side of the fan, one side of the bracket is fixedly connected to the shell, a sealing ring is fixedly connected to the front side of the inner wall of the sleeve, and the inner surface of the sealing ring is in contact with the movable tube.

[0012] As a further solution of the present invention: a partition is fixedly connected to the central axis of the inner wall of the shell, both sides of the inner cavity of the shell are movably connected to the movable tube through bearings, and rectangular heat dissipation grooves are opened on both sides of the front side of the shell.

[0013] As a further solution of the present invention: the inner cavity of the connecting frame is slidably connected with a sliding rod, and the rear side of the sliding rod is fixedly connected to the shell.

[0014] As a further solution of the present invention: the top of the water tank is connected to a water injection pipe, and the top of the front side of the shell is provided with a movable groove used in conjunction with the connecting frame.

[0015] As a further solution of the present invention: the bottom of the front side of the shell is fixedly connected to a box body, the rear side of the inner cavity of the box body is fixedly connected to a PLC controller, the bottom of the inner cavity of the box body is fixedly connected to a battery, and the front side of the box body is movably connected to a movable door.

[0016] The beneficial effects of the present invention are:

[0017] 1. The present invention sets a heat dissipation mechanism, controls the operation of the fan and the first motor through a PLC controller, draws gas in through an exhaust pipe, and then discharges the gas into the inner cavity of the frame through the cooperation of a connecting pipe, a sleeve, a movable pipe and a nozzle, so as to accelerate the air flow rate in the inner cavity of the frame, drives the driving gear to rotate through the first motor, drives the driven gear to rotate through the driving gear, drives the movable pipe to rotate through the driven gear, and drives the nozzle to rotate through the movable pipe, so as to facilitate the heat dissipation of the near-infrared probe body, and avoid the decrease in the sensitivity of the near-infrared probe body caused by heat accumulation. After the near-infrared probe body on the left side stops working and the near-infrared probe body on the right side starts working, the electric telescopic rod is controlled to work through the PLC controller, drives the connecting block to move through the electric telescopic rod, drives the first motor and the fixed rod to move, and drives the driving gear to move, so that the driving gear is meshed with the driven gear on the right side, and the fixed rod drives the tooth plate to move, and the tooth plate drives the adjusting gear to rotate, so as to close the movable valve on the left side and open the movable valve on the right side, thereby adjusting the air flow direction and facilitating the heat dissipation.

[0018] 2. The present invention sets an adjustment mechanism and controls the operation of the electric push rod through a PLC controller. The electric push rod drives the rectangular block to move, the rectangular block drives the first sealing plate to move, the first sealing plate drives the adjustment rod to move, and the adjustment rod drives the second sealing plate to move, so as to facilitate the operation of the near-infrared probe body on the right side.

[0019] 3. The present invention sets a cleaning mechanism, controls the corresponding water pump and the second motor through a PLC controller, pumps water out of the inner cavity of the water tank through the water pump, and then sprays water onto the top of the transparent glass with dust attached through a drain pipe and a connector, drives the screw rod to rotate through the second motor, drives the connecting frame to move, and drives the brush rod to move. The brush rod brushes the top of the transparent glass, and the sewage flows to the bottom of the inner cavity of the shell for easy collection. The two near-infrared probe bodies work alternately, so that cleaning work can be performed without affecting the detection work, thereby making the detection accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention in the first viewing angle state;

[0021] Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention in a second viewing angle state;

[0022] Figure 3 It is a schematic diagram of the cross-sectional structure of the box body of the present invention;

[0023] Figure 4 It is a schematic diagram of the three-dimensional structure of the present invention in the third viewing angle state;

[0024] Figure 5 It is a schematic diagram of the enlarged structure of point A of the present invention;

[0025] Figure 6 It is a schematic diagram of a partial three-dimensional structure of the heat dissipation mechanism of the present invention;

[0026] Figure 7 It is a schematic diagram of the cross-sectional structure of the shell of the present invention;

[0027] Figure 8 It is a schematic diagram of the nozzle structure of the present invention.

[0028] In the figure: 1. material flow channel; 2. shell; 3. frame; 4. transparent glass; 5. near infrared probe body; 6. heat dissipation mechanism; 601. electric telescopic rod; 602. connecting block; 603. first motor; 604. driving gear; 605. bracket; 606. fan; 607. connecting pipe; 608. sleeve; 609. movable valve; 610. adjusting gear; 611. movable pipe; 612. driven gear; 613. nozzle; 614. fixing rod; 615. tooth plate ; 616, exhaust pipe; 7, adjusting mechanism; 701, electric push rod; 702, rectangular block; 703, first sealing plate; 704, adjusting rod; 705, second sealing plate; 8, cleaning mechanism; 801, water tank; 802, water pump; 803, drain pipe; 804, connector; 805, brush rod; 806, second motor; 807, screw rod; 808, connecting frame; 809, sliding rod; 9, partition; 10, box body; 11, PLC controller; 12, battery. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8As shown, the present invention provides a near-infrared detection device with an adjustment structure, including a material flow channel 1, the bottom of the material flow channel 1 is connected to a shell 2, the back of the shell 2 is provided with a heat dissipation mechanism 6, the heat dissipation mechanism 6 includes an electric telescopic rod 601, the right side of the electric telescopic rod 601 is fixedly connected to a connecting block 602, the top of the connecting block 602 is fixedly connected to a first motor 603, the output end of the first motor 603 is fixedly connected to a driving gear 604, a fan 606 is provided at the bottom of the back of the shell 2, one side of the fan 606 is connected to an exhaust pipe 616, the other side of the fan 606 is connected to a connecting pipe 607, one side of the connecting pipe 607 is connected to a sleeve 608, the front of the sleeve 608 is plugged with a movable pipe 611, and the movable pipe 61 1 is fixedly connected with a driven gear 612, the front of the movable tube 611 is connected with a nozzle 613, the bottom of the sleeve 608 is movably connected with a movable valve 609, the bottom of the movable valve 609 is fixedly connected with an adjusting gear 610, one side of the adjusting gear 610 is meshed with a tooth plate 615, one side of the tooth plate 615 is fixedly connected with a fixing rod 614, one side of the fixing rod 614 is fixedly connected with the connecting block 602, the continuous powder material in the material flow channel 1 moves along the direction of movement, and will inevitably pass through the top of the near-infrared probe body 5, and will form a layered material flow in the material flow channel 1, the layered material flow passes above the near-infrared probe body 5, the material covers the light spot emitted by the near-infrared probe body 5, and the light spot is reflected back to the near-infrared probe body 5, The optical signal is transmitted back to the spectrometer, and the information of the material, such as mixing uniformity, content uniformity and moisture, is obtained by analysis. By setting the heat dissipation mechanism 6, the PLC controller 11 controls the operation of the fan 606 and the first motor 603, and the gas is sucked in through the exhaust pipe 616, and then the gas is discharged into the inner cavity of the frame 3 through the cooperation of the connecting pipe 607, the sleeve 608, the movable pipe 611 and the nozzle 613, so that the air flow rate in the inner cavity of the frame 3 can be accelerated, and the driving gear 604 is driven to rotate by the first motor 603, and the driving gear 604 drives the driven gear 612 to rotate, and the driven gear 612 drives the movable pipe 611 to rotate, and the movable pipe 611 drives the nozzle 613 to rotate, so that the heat dissipation of the near-infrared probe body 5 is convenient to avoid heat. The accumulation of quantity causes the sensitivity of the near-infrared probe body 5 to decrease. After the near-infrared probe body 5 on the left stops working and the near-infrared probe body 5 on the right starts working, the electric telescopic rod 601 is controlled to work by the PLC controller 11, and the connecting block 602 is driven to move by the electric telescopic rod 601, and the connecting block 602 drives the first motor 603 and the fixed rod 614 to move, and the first motor 603 drives the driving gear 604 to move, so that the driving gear 604 is meshed with the driven gear 612 on the right, and the fixed rod 614 drives the tooth plate 615 to move, and the tooth plate 615 drives the adjusting gear 610 to rotate, so that the movable valve 609 on the left can be closed, and the movable valve 609 on the right can be opened, so as to adjust the air flow direction and facilitate the heat dissipation work;The top of both sides of the inner wall of the shell 2 is fixedly connected with a frame 3, both sides of the inner cavity of the frame 3 are fixedly connected with a limiting block, and one side of the limiting block is fixedly connected with a near-infrared probe body 5, a rectangular groove is opened on the top of the frame 3, and the inner cavity of the rectangular groove is fixedly connected with a transparent glass 4, by setting the limiting block, the operation of the near-infrared probe body 5 is stabilized, and the near-infrared probe body 5 is limited; a rectangular plate is fixedly connected to one side of the electric telescopic rod 601, and the front side of the rectangular plate is fixedly connected to the shell 2, and by setting the rectangular plate, the operation of the electric telescopic rod 601 is stabilized, and the electric telescopic rod 601 is limited; a bracket 605 is fixedly connected to one side of the fan 606, and one side of the bracket 605 is fixedly connected to the shell 2, a sealing ring is fixedly connected to the front side of the inner wall of the sleeve 608, and the inner surface of the sealing ring is in contact with the movable tube 611 Contact, by setting the bracket 605, the work of the fan 606 is stabilized, the fan 606 is limited, and by setting the sealing ring, the sealing effect is good to prevent gas from escaping and affecting the heat dissipation effect; the central axis of the inner wall of the shell 2 is fixedly connected with a partition 9, both sides of the inner cavity of the shell 2 are movably connected with the movable tube 611 through bearings, and both sides of the front of the shell 2 are provided with rectangular heat dissipation grooves. By setting bearings, the work of the movable tube 611 is stabilized and the movable tube 611 is limited; the bottom of the front of the shell 2 is fixedly connected with a box 10, the rear side of the inner cavity of the box 10 is fixedly connected with a PLC controller 11, the bottom of the inner cavity of the box 10 is fixedly connected with a battery 12, and the front of the box 10 is movably connected with a movable door. By setting the battery 12, it is convenient to power the electrical equipment, thereby facilitating the work of the electrical components. ;

[0031] like Figure 1 , Figure 2 , Figure 7 and Figure 8 As shown, an adjustment mechanism 7 is provided on one side of the shell 2, and the adjustment mechanism 7 includes an electric push rod 701, one side of the electric push rod 701 is fixedly connected with a rectangular block 702, one side of the rectangular block 702 is fixedly connected with a first sealing plate 703, one side of the first sealing plate 703 is fixedly connected with an adjustment rod 704, and one side of the adjustment rod 704 is fixedly connected with a second sealing plate 705. By setting the adjustment mechanism 7, the electric push rod 701 is controlled to work by the PLC controller 11, the rectangular block 702 is driven to move by the electric push rod 701, the rectangular block 702 drives the first sealing plate 703 to move, the first sealing plate 703 drives the adjustment rod 704 to move, and the adjustment rod 704 drives the second sealing plate 705 to move, so as to facilitate the operation of the near-infrared probe body 5 on the right side.

[0032] like Figure 1 , Figure 2 , Figure 7 and Figure 8As shown, a cleaning mechanism 8 is provided on the outside of the shell 2, and the cleaning mechanism 8 includes a water tank 801, one side of the water tank 801 is fixedly connected to the shell 2, the other side of the water tank 801 is connected to a water pump 802, one side of the water pump 802 is connected to a drain pipe 803, one side of the drain pipe 803 is connected to a connector 804, and the front side of the shell 2 and both sides located at the central axis are fixedly connected to a second motor 806, the output end of the second motor 806 is fixedly connected to a screw rod 807, the surface of the screw rod 807 is threadedly connected to a connecting frame 808, and one side of the connecting frame 808 is fixedly connected to a brush rod 805. By setting the cleaning mechanism 8, the corresponding water pump 802 and the second motor 806 are controlled to work by the PLC controller 11, the water in the inner cavity of the water tank 801 is pumped out by the water pump 802, and then the water is sprayed to the top of the transparent glass 4 with dust attached through the drain pipe 803 and the connector 804. The second motor 806 drives the screw rod 807 to rotate, the screw rod 807 drives the connecting frame 808 to move, and the connecting frame 808 drives the brush rod 805 to move. The brush rod 805 brushes the top of the transparent glass 4, and the sewage will flow to the bottom of the inner cavity of the shell 2, which is convenient for collection. The two near-infrared probe bodies 5 work alternately, so that the cleaning work can be carried out without affecting the detection work, thereby making the detection accurate; the inner cavity of the connecting frame 808 is slidably connected with a slide bar 809, and the rear side of the slide bar 809 is fixedly connected to the shell 2. By setting the slide bar 809, the operation of the connecting frame 808 is stabilized, and the connecting frame 808 is balanced and supported; the top of the water tank 801 is connected with a water injection pipe, and the top of the front side of the shell 2 is provided with a movable groove used in conjunction with the connecting frame 808. By setting the water injection pipe, water can be easily injected into the inner cavity of the water tank 801, thereby facilitating cleaning work.

[0033] Working principle of the present invention: the continuous powder material in the material flow channel 1 moves forward along the direction of movement and will inevitably pass through the top of the near-infrared probe body 5, forming a layered material flow in the material flow channel 1. The layered material flow passes above the near-infrared probe body 5, and the material covers the light spot emitted by the near-infrared probe body 5. The light spot is reflected back to the near-infrared probe body 5, and the optical signal is transmitted back to the spectrometer to analyze and obtain information about the material, such as mixing uniformity, content uniformity and moisture, etc. By setting a heat dissipation mechanism 6, the fan 606 and the first motor 603 are controlled by the PLC controller 11 to work, and the gas is drawn in through the exhaust pipe 616, and then the gas is discharged into the inner cavity of the frame 3 through the cooperation of the connecting pipe 607, the sleeve 608, the movable pipe 611 and the nozzle 613, so as to accelerate the air flow rate in the inner cavity of the frame 3, and the driving gear 604 is driven to rotate by the first motor 603, and the driving gear 604 drives the driven gear 61 2 rotates, the driven gear 612 drives the movable tube 611 to rotate, and the movable tube 611 drives the nozzle 613 to rotate, so as to facilitate the heat dissipation of the near-infrared probe body 5 and avoid the decrease of the sensitivity of the near-infrared probe body 5 due to heat accumulation. After the near-infrared probe body 5 on the left stops working and the near-infrared probe body 5 on the right starts working, the electric telescopic rod 601 is controlled to work by the PLC controller 11, and the connecting block 602 is driven to move by the electric telescopic rod 601, and the connecting block 602 drives the first motor 603 and the fixed rod 614 to move, and the first motor 603 drives the driving gear 604 to move, so that the driving gear 604 is meshed with the driven gear 612 on the right, and the fixed rod 614 drives the tooth plate 615 to move, and the tooth plate 615 drives the adjusting gear 610 to rotate, so as to close the movable valve 609 on the left and open the movable valve 609 on the right, so as to adjust the air flow direction and facilitate the heat dissipation work;

[0034] By setting the adjustment mechanism 7, the electric push rod 701 is controlled by the PLC controller 11 to work, the electric push rod 701 drives the rectangular block 702 to move, the rectangular block 702 drives the first sealing plate 703 to move, the first sealing plate 703 drives the adjustment rod 704 to move, and the adjustment rod 704 drives the second sealing plate 705 to move, so that the near-infrared probe body 5 on the right side can work conveniently;

[0035] By setting up a cleaning mechanism 8, the corresponding water pump 802 and the second motor 806 are controlled by the PLC controller 11 to work, the water in the inner cavity of the water tank 801 is pumped out by the water pump 802, and then the water is sprayed to the top of the transparent glass 4 with dust attached through the drain pipe 803 and the connector 804, the second motor 806 drives the screw rod 807 to rotate, the screw rod 807 drives the connecting frame 808 to move, and the connecting frame 808 drives the brush rod 805 to move, and the brush rod 805 brushes the top of the transparent glass 4, and the sewage will flow to the bottom of the inner cavity of the shell 2 for easy collection, and the two near-infrared probe bodies 5 work alternately, so that the cleaning work can be carried out without affecting the detection work, thereby making the detection accurate.

[0036] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0037] Secondly: In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0038] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A near-infrared detection device with an adjustment structure, comprising a material flow channel (1), characterized in that: The bottom of the material flow channel (1) is connected to the shell (2), and a heat dissipation mechanism (6) is arranged on the back of the shell (2). The heat dissipation mechanism (6) comprises an electric telescopic rod (601), and a connecting block (602) is fixedly connected to the right side of the electric telescopic rod (601), and a first motor (603) is fixedly connected to the top of the connecting block (602). The output end of the first motor (603) is fixedly connected to a driving gear (604). A fan (606) is arranged at the bottom of the back of the shell (2), and one side of the fan (606) is connected to an exhaust pipe (616), and the other side of the fan (606) is connected to a connecting pipe (607). One side of the tube (607) is connected to a sleeve (608), a movable tube (611) is inserted into the front of the sleeve (608), a driven gear (612) is fixedly connected to the surface of the movable tube (611), a nozzle (613) is connected to the front of the movable tube (611), a movable valve (609) is movably connected to the bottom of the sleeve (608), an adjusting gear (610) is fixedly connected to the bottom of the movable valve (609), a tooth plate (615) is meshed on one side of the adjusting gear (610), a fixed rod (614) is fixedly connected to one side of the tooth plate (615), and one side of the fixed rod (614) is fixedly connected to the connecting block (602).

2. A near infrared detection device with an adjustment structure according to claim 1, characterized in that: An adjustment mechanism (7) is provided on one side of the shell (2), and the adjustment mechanism (7) comprises an electric push rod (701), one side of the electric push rod (701) is fixedly connected to a rectangular block (702), one side of the rectangular block (702) is fixedly connected to a first sealing plate (703), one side of the first sealing plate (703) is fixedly connected to an adjustment rod (704), and one side of the adjustment rod (704) is fixedly connected to a second sealing plate (705).

3. The near-infrared detection device with an adjustment structure according to claim 1, characterized in that: A cleaning mechanism (8) is arranged on the outside of the shell (2), and the cleaning mechanism (8) comprises a water tank (801), one side of the water tank (801) is fixedly connected to the shell (2), the other side of the water tank (801) is connected to a water pump (802), one side of the water pump (802) is connected to a drain pipe (803), one side of the drain pipe (803) is connected to a connector (804), the front side of the shell (2) and both sides located at the center axis are fixedly connected to a second motor (806), the output end of the second motor (806) is fixedly connected to a screw rod (807), the surface of the screw rod (807) is threadedly connected to a connecting frame (808), and one side of the connecting frame (808) is fixedly connected to a brush rod (805).

4. The near-infrared detection device with an adjustment structure according to claim 1, characterized in that: The tops of both sides of the inner wall of the shell (2) are fixedly connected to a frame (3), both sides of the inner cavity of the frame (3) are fixedly connected to limit blocks, and one side of the limit blocks is fixedly connected to a near-infrared probe body (5), a rectangular groove is opened on the top of the frame (3), and the inner cavity of the rectangular groove is fixedly connected to a transparent glass (4).

5. The near-infrared detection device with an adjustment structure according to claim 1, characterized in that: A rectangular plate is fixedly connected to one side of the electric telescopic rod (601), and the front side of the rectangular plate is fixedly connected to the housing (2).

6. The near infrared detection device with an adjustment structure according to claim 1, characterized in that: One side of the fan (606) is fixedly connected to a bracket (605), one side of the bracket (605) is fixedly connected to the housing (2), the front side of the inner wall of the sleeve (608) is fixedly connected to a sealing ring, and the inner surface of the sealing ring is in contact with the movable tube (611).

7. The near-infrared detection device with an adjustment structure according to claim 1, characterized in that: A partition plate (9) is fixedly connected to the central axis of the inner wall of the shell (2), both sides of the inner cavity of the shell (2) are movably connected to the movable tube (611) via bearings, and rectangular heat dissipation grooves are provided on both sides of the front side of the shell (2).

8. The near-infrared detection device with an adjustment structure according to claim 3, characterized in that: The inner cavity of the connecting frame (808) is slidably connected to a sliding rod (809), and the rear side of the sliding rod (809) is fixedly connected to the housing (2).

9. The near infrared detection device with an adjustment structure according to claim 3, characterized in that: The top of the water tank (801) is connected to a water injection pipe, and the top of the front side of the shell (2) is provided with a movable groove used in conjunction with the connecting frame (808).

10. The near infrared detection device with an adjustment structure according to claim 1, characterized in that: The bottom of the front side of the shell (2) is fixedly connected to a box body (10), the rear side of the inner cavity of the box body (10) is fixedly connected to a PLC controller (11), the bottom of the inner cavity of the box body (10) is fixedly connected to a storage battery (12), and the front side of the box body (10) is movably connected to a movable door.

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