Taro internal rot detection system based on near infrared spectrum and working method thereof

Abstract

The invention discloses a taro internal rot detection system based on a near infrared spectrum and a working method thereof, and belongs to the field of nondestructive detection.The taro internal rot detection system comprises a first conveying module, a second conveying module, a third conveying module and a fourth conveying module, one end of the first power roller is in mechanical transmission connection with the first motor; the second screening module comprises a conveying disc, a screening disc, a screening funnel, an electric push rod, a photoelectric sensor, a conveying disc baffle and a screening module main shaft; the second motor is in mechanical transmission connection with the first transmission gear; the second transmission gear is connected with the screening module main shaft; the third identification module comprises a spectrograph, a halogen lamp, a spectrograph support, a data display and a control processing module; through the cooperation of the modules, the second screening module screens and packages the taros which are not internally rotted or not; through cooperation of the first conveying module, the second screening module and the third recognition module, internally-rotted taros are recognized and sorted, and therefore the screening and processing efficiency of the taros is improved.

Description

Technical Field

[0001] The invention belongs to the field of nondestructive testing, in particular to a taro internal decay detection system based on near infrared spectroscopy and a working method thereof. Background Art

[0002] Taro is an important vegetable and food crop with high nutritional and medicinal value. However, it is susceptible to infection by pathogens during growth or transportation and storage, leading to internal corruption, which affects the quality of taro. Traditionally, taro detection is generally done by inspecting the taro's skin, peeling off the surface hair to observe whether there are signs of mold, rot, hardening, wilting, and spots, or by cutting it open for inspection, which is not only inaccurate but also time-consuming and labor-intensive. Therefore, it is very important to develop a fast, accurate, and non-destructive detection method.

[0003] At present, the existing methods for detecting taro internal decay include visible light and image recognition technology, and ultrasonic imaging technology. Among them, visible light imaging technology simulates human vision to perform non-destructive detection of the inside of taro. Combined with image processing algorithms, it is possible to detect foreign matter or corruption inside taro. This method has the advantages of simple operation and low cost. Ultrasonic imaging technology uses the propagation characteristics of ultrasound in materials to obtain structural information inside taro by measuring parameters such as the time, amplitude and frequency of reflected or transmitted waves. This method has the advantages of non-contact, no radiation, and low cost. However, the above two methods may be affected in detection accuracy and depth. Summary of the invention

[0004] The invention provides a taro nondestructive detection system based on near infrared spectroscopy and a working method thereof, so as to solve the above problems existing in the prior art.

[0005] The objective of the present invention can be achieved through the following technical scheme: a device for detecting internal decay of taro by near-infrared spectroscopy, comprising a transport module, a screening module and an identification module, wherein the transport module is on the upper side of the screening module and is transported to one side of a transport tray of the screening module by a belt, and the near-infrared spectroscopy identification module is located above the other side.

[0006] The transport module includes a first motor, a first transmission belt, a first funnel, a first power transmission belt, casters, a first motor support and a height adjuster; one end of the first power roller is mechanically connected to the first motor, the first motor is fixed on the support frame, both ends of the second power roller are connected to the first funnel support frame, the universal wheel is fixed under the aluminum profile by bolts, the first power roller and the second power roller are connected by the first transmission belt, and the height adjuster is under the casters.

[0007] The screening module includes a transport plate, a screening plate, a screening funnel, an electric push rod, a photoelectric sensor, a transport plate baffle, a first push rod baffle, a second push rod baffle, a screening module main shaft, a first transmission gear, a second transmission gear, a second motor, a first collecting box, and a second collecting box; the second motor is connected to the first transmission gear, the first transmission gear is meshed with the second transmission gear, the second transmission gear is connected to the screening module main shaft, the transport plate and the screening plate are concentric through the screening module, the transport plate is above the screening plate, the bottom of the electric push rod and the bottom of the transport plate baffle are in the same plane, and are generally located between the screening plate and the transport plate.

[0008] The identification module includes a spectrometer, a halogen lamp, a spectrometer bracket, a data display, and a control processing module; the spectrometer and the halogen lamp are placed above the transport plate, the spectrometer is supported by the spectrometer bracket, and the control processing module is connected to the spectrometer for analysis and processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 The present invention is a structural schematic diagram of a taro internal decay detection system based on near infrared spectroscopy from one perspective.

[0010] Figure 2 The present invention is a schematic structural diagram of a taro internal decay detection system based on near infrared spectroscopy from another perspective.

[0011] Figure 3 This is a schematic diagram of the structure of the second screening module.

[0012] Figure 4 This is a schematic diagram of the electric push rod structure.

[0013] Figure 5 It is a schematic structural diagram of the first transport module of the present invention.

[0014] Markings in the accompanying drawings: 4, bearing plate; 11, first motor; 12, first conveyor belt; 13, first funnel; 14, height adjuster; 15, caster; 16, first motor support; 17, first power transmission belt; 18, first driven roller; 19, second driven roller; 21, coupling; 22, spindle support frame; 23, transport plate; 24, screening plate; 25, second motor; 26, first push rod baffle; 27, screening funnel; 28, second transmission gear; 29, first collection box; 210, second collection box; 211, screening module spindle; 212, first transmission gear; 213, transport plate baffle; 214, photoelectric sensor; 215, electric push rod; 216, second push rod baffle; 217, push rod; 31, control processing module; 32, halogen lamp; 33, spectrometer; 34, spectrometer bracket; 35, data display; 36, data display bracket; DETAILED DESCRIPTION

[0015] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment 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. Unless otherwise defined, the technical terms or scientific terms used herein should be the common meaning understood by people with general skills in the field to which the present invention belongs.

[0016] The words "first", "second" and similar words used in the specification and claims of the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, unless the context clearly indicates otherwise, the singular forms of "a", "an" or "the" and other similar words do not indicate a quantitative limitation, but indicate the existence of at least one. Words such as "include" or "comprise" mean that the elements or objects appearing before "include" or "comprise" cover the features, wholes, steps, operations, elements and / or components listed after "include" or "comprise", and do not exclude the existence or addition of one or more other features, wholes, steps, operations, elements, components and / or their collections. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it 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 indirectly connected 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.

[0017] Step 1: Adjust the height adjuster 14 to make the first funnel 13 and the transport plate 23 maintain a certain distance, drive the first motor 11 to drive the first driven roller 18 to rotate, thereby driving the second driven roller 19 to rotate through the tension of the first force transmission belt 17, and driving the first conveyor belt 12 to run, and place the taro on the first conveyor belt 12 and drop it into the first funnel 13 through the belt drive.

[0018] Step 2: When the first transport module transports the taro through the first funnel 13 and drops onto the transport tray 23, the photoelectric sensor 214 arranged on the main body of the electric push rod 215 detects that the taro falls onto the transport tray 23, and the control processing module 31 drives the second motor 25 to rotate clockwise, and the second motor 25 drives the first transmission gear 212 to rotate clockwise, and then drives the second transmission gear 28 to rotate. Since the screening module main shaft 211 is connected to the second transmission gear 28 and the screening tray 24 and the transport tray 23 are fixed on the screening module main shaft 211, the control processing module 31 controls the screening The module main shaft 211 rotates 60° clockwise until the spectrometer 33 detects whether the taro is rotten. After analysis and identification by the control processing module 31, the data is displayed on the data display 35, and the screening module main shaft 211 is controlled to rotate again. The control processing module 31 drives the electric push rod 215 to drive the push rod 217 and the first push rod baffle 26 and the second push rod baffle 216 to push the taro to the screening plate 24, and the taro falls into the first collection box 29 and the second collection box 210 through the screening funnel 27 respectively. The first collection box 29 stores rotten taro, and the second collection box 210 stores normal taro.

Claims

1. A taro internal rot detection system based on near infrared spectroscopy, characterized in that: include: The control processing module (31) is connected to the carrying plate (4); the first collecting box (29) and the second collecting box (210) are connected to the carrying plate (4); the screening module bracket (22) is fixed on the carrying plate (4); the first motor support (16), the first motor (11) is mechanically connected to the first power roller (18); the first power roller (18) and the second power roller (19) are horizontally distributed in the axis; the first power transmission belt (17) and the first transmission belt (12) are connected to one end of the first power roller (18) and the second power roller (19); One end of the power roller (19) is frictionally connected; the caster (15) is bolted to the bottom of the aluminum profile; the funnel (13) is mechanically connected to both ends of the second power roller (19); the second motor (25), the second motor (25) is mechanically connected to the first transmission gear (212); the first transmission gear (212) is meshed with the second transmission gear (28); the other end of the second transmission gear (28) is mechanically connected to the main shaft (211) of the screening module; the transport plate (23) and the screening plate (24) are fixed on the main shaft (211) of the screening module and maintain a certain gap; the screening funnel (27) and the electric push rod (215) are mechanically connected to the screening plate (24); the photoelectric sensor (214) is connected to the electric push rod (215); the push rod (217) is mechanically connected to the electric push rod (215); the first push rod baffle (26) and the second push rod baffle (216) are bolted to the push rod (217); the transport plate baffle (213) is mechanically connected to the transport plate (23); the coupling (21) is connected to the screening module main shaft (211), and the screening module main shaft ( 211) rotates, the coupling (21) remains stationary and relies on the internal bearing to play a fixing role; the spectrometer bracket (34) is connected to the bearing plate (4) and fixed on the bearing plate (4); the spectrometer (33) is mechanically connected to the spectrometer bracket (34); the halogen lamp (32) is fixed on the spectrometer bracket (34) to ensure that the third recognition module is not affected by the external light intensity, to ensure sufficient light and the recognition speed and recognition accuracy of the spectrometer (33); the control processing module (31) receives and processes the data measured by the spectrometer (33) and displays it on the data display (35); 2. A taro internal decay detection system based on near infrared spectroscopy according to claim 1, characterized in that: A control system; the control system is connected to the first motor (11) and the second motor (25) in an electric circuit; the control system is integrated into the control system module (31); the control system is connected to the data display (35), the spectrometer (33), the halogen lamp (32), the electric push rod (215), and the photoelectric sensor (214) in an electric circuit.

3. A taro internal rot detection system based on near infrared spectroscopy according to claim 2, characterized in that: There is a certain gap between the transport tray (23) and the screening tray (24).

4. A taro internal rot detection system based on near infrared spectroscopy according to claim 3, characterized in that: The second screening module, when the first transport module transports taro through the first funnel (13) and drops onto the transport tray (23), the photoelectric sensor (214) arranged on the main body of the electric push rod (215) detects that the taro has dropped onto the transport tray (23), and the control processing module (31) drives the second motor (25) to rotate clockwise, and the second motor (25) drives the first transmission gear (212) to rotate clockwise, and then drives the second transmission gear (28) to rotate. Since the main shaft (211) of the screening module is connected to the second transmission gear (28) and the screening tray (24) and the transport tray (23) are fixed on the main shaft (211) of the screening module, the control processing module (31) controls the second motor (25) to rotate clockwise. The main shaft (211) of the screening module is controlled to rotate 60° clockwise until the spectrometer (33) detects whether the taro is internally rotten. After analysis and identification by the control processing module (31), the data is displayed on the data display (35). The main shaft (211) of the screening module is controlled to rotate again. The control processing module (31) drives the electric push rod (215) to drive the push rod (217) and the first push rod baffle (26) and the second push rod baffle (216) to push the taro to the screening plate (24). The taro falls into the first collection box (29) and the second collection box (210) respectively through the screening funnel (27). The first collection box (29) stores the internally rotten taro, and the second collection box (210) stores the normal taro.

5. A taro internal rot detection system based on near infrared spectroscopy according to claim 4, characterized in that: The transport tray baffles (213) are symmetrically installed in the six transport holes of the transport tray (23) to push the taro that falls into the transport tray (23) to rotate along with the transport tray (23).

6. A taro internal rot detection system based on near infrared spectroscopy according to claim 5, characterized in that: A height adjuster (14), four height adjusters (14) are maintained at the same height; casters (15) are bolted and fixed to the aluminum profile; the first motor (11) in the first conveying device is connected to the control processing module (31) circuit; the first motor (11) is mechanically connected to the first power roller (18); the first power roller (18) and the second power roller (19) are tensionedly connected to the first power transmission belt (17); the first power roller (18) and the second power roller (19) cooperate to drive the first conveyor belt (12) to run; the first funnel (13) and the second power roller (19) are mechanically connected at both ends.

7. A taro internal decay detection system based on near infrared spectroscopy according to claim 6, characterized in that: The bearing plate (4) is bolted to the height adjuster (14).

8. A taro internal decay detection system based on near infrared spectroscopy according to claim 7, characterized in that: A hole is formed in the square bearing rod above the coupling (21); a buckle is provided in the coupling (21) to connect the screening module main shaft (211) with a bearing and enable the screening module main shaft (211) to rotate freely; and a hole above the coupling (21) is key-connected to the second screening module bracket (22).

9. The working method of a taro internal decay detection system based on near infrared spectroscopy according to claim 1, characterized in that: The method comprises the following steps: Step 1: adjusting the height of the height adjuster (14) to make the first funnel (13) and the transport plate (23) maintain a certain distance, driving the first motor (11) to drive the first driven roller (18) to rotate, thereby driving the second driven roller (19) to rotate through the tension of the first force transmission belt (17), driving the first conveyor belt (12) to run, placing the taro on the first conveyor belt (12) and dropping it into the first funnel (13) through the belt transmission. Step 2: When the first transport module transports the taro through the first funnel (13) and drops onto the transport tray (23), the photoelectric sensor (214) arranged on the main body of the electric push rod (215) detects that the taro has dropped onto the transport tray (23), and the control processing module (31) drives the second motor (25) to rotate clockwise, and the second motor (25) drives the first transmission gear (212) to rotate clockwise, and then drives the second transmission gear (28) to rotate. Since the main shaft (211) of the screening module is connected to the second transmission gear (28) and the screening tray (24) and the transport tray (23) are fixed on the main shaft (211) of the screening module, the control processing module (31) controls the screening module (24) to rotate clockwise. The main shaft (211) of the selection module rotates 60° clockwise until the spectrometer (33) detects whether the taro is internally rotten. After analysis and identification by the control processing module (31), the data is displayed on the data display (35). The main shaft (211) of the screening module is controlled to rotate again. The control processing module (31) drives the electric push rod (215) to drive the push rod (217) and the first push rod baffle (26) and the second push rod baffle (216) to push the taro to the screening plate (24). The taro falls into the first collection box (29) and the second collection box (210) respectively through the screening funnel (27). The first collection box (29) stores the internally rotten taro, and the second collection box (210) stores the normal taro.

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