Portable detection device for visual detection of Huanglongbing

Abstract

The utility model discloses a portable detection device for visual detection of Huanglongbing, which is characterized in that on the basis of the prior art, two parallel horizontal slide rails and a lead screw motor are arranged on a lower support plate, and a lead screw sliding table which is driven by a lead screw and the lead screw motor to slide is arranged on the horizontal slide rails; a conveying module located under the recognition camera is arranged on the lead screw sliding table. The conveying module comprises a support arranged on the top face of the lead screw sliding table, a transmission roller arranged on the support and driven by a servo motor, and a conveying belt arranged on the transmission roller. According to the leaf detection device, a plurality of placing grooves in the conveying belt are utilized, so that a plurality of to-be-detected leaves can be conveniently detected in sequence, the detection efficiency is improved, meanwhile, by means of automatic conveying of the conveying belt, a detection area of the CCD camera can be conveniently and rapidly loaded and unloaded for detection of a plurality of to-be-detected samples, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plant disease detection, in particular to a portable detection device for visual detection of Huanglongbing disease. Background Art

[0002] Conventional methods for the detection of Huanglongbing include field diagnosis, pathogen microscopic observation, chemical detection and PCR detection. From the outside, the colors of citrus leaves infected with Huanglongbing and nitrogen deficiency are very similar and difficult to distinguish with the naked eye. The absorption peaks of the hyperspectral images of normal, Huanglongbing and nitrogen deficiency are not much different, so the first-order derivative processing is used for the three types of images, and it is found that the absorbance of nitrogen-deficient leaves is significantly different from that of Huanglongbing leaves.

[0003] In order to conveniently and quickly detect whether pomelo has Huanglongbing, the patent publication number CN117269102A discloses a rapid detector based on Huanglongbing and its use method, which relates to the field of plant disease detection technology. The invention includes a CCD camera, a near-infrared lamp, a dark box, a DSP data processing module, a display module, a micro-movement support platform, and a power module; the dark box includes an upper opening box, a mounting seat, an upper cover, and a shielding cover; a window is opened on the side surface of the lower end of the box; the shielding cover is slidably mounted on the outer wall of the box to shield the window; the near-infrared lamp is mounted on the inner wall of the box; the mounting seat and the upper cover are sequentially mounted on the upper end of the box and sealed and fixed with bolts; the CCD camera is installed through the middle of the mounting seat.

[0004] However, the scenario in the prior art is an entire orchard, so a large number of samples need to be processed for testing. In order to quickly cope with the workload of testing large samples, it is also necessary to design an auxiliary equipment that is convenient for loading and unloading samples to be tested. Utility Model Content

[0005] The utility model aims to provide a portable detection device for visual detection of Huanglongbing, so as to solve the problem of how to quickly cope with the detection workload of large samples.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] The utility model provides a portable detection device for visual detection of Huanglongbing, comprising a box, an infrared light source arranged in the box, a recognition camera, a data processing module, a power supply, and a display unit located outside the box; the recognition camera, the infrared light source, the data processing module, and the display unit are respectively connected to the power supply; the recognition camera and the display unit are respectively connected to the data processing module;

[0008] A lower support plate is provided at the inner bottom of the box body, two parallel horizontal slide rails and a lead screw motor are provided on the lower support plate, and a lead screw slide table driven to slide by a lead screw and a lead screw motor is provided on the horizontal slide rail;

[0009] A conveying module is arranged on the lead screw slide and is located directly below the recognition camera; the conveying module includes a support arranged on the top surface of the lead screw slide, a transmission roller arranged on the support and driven by a servo motor, and a conveyor belt arranged on the transmission roller; wherein placement grooves for placing blades to be tested are evenly spaced on the conveyor belt, wherein a transparent cover plate is also provided in the placement grooves.

[0010] Furthermore, adjustment bases are respectively provided at the four corners of the bottom of the box; wherein the adjustment base includes screw sleeves welded to the four corners of the bottom of the box, and screws arranged in the screw sleeves; an adjustment handle is installed on the top of the screw, and a support plate is provided at its bottom.

[0011] Furthermore, a shading plate is arranged in the box and above the conveyor belt, and a light hole is opened on the shading plate and directly below the recognition camera.

[0012] Furthermore, the recognition camera is a CCD camera; the infrared light source is a near-infrared lamp; the data processing module is a DSP data processing module; and the display unit is a data display screen.

[0013] Furthermore, an upper support plate is arranged on the inner top of the box body, and a data processing module, a recognition camera, and a power supply are arranged on the upper support plate.

[0014] Furthermore, two horizontal slide rails are symmetrically arranged on the lower support plate, wherein two supports are arranged on the lower support plate and between the two horizontal slide rails, and a lead screw is arranged on the two supports through bearings, and the lead screw is driven by the lead screw motor, wherein a slide groove adapted to the horizontal slide rail is arranged at the bottom of the lead screw slide, and a lead screw nut seat installed on the lead screw is also arranged.

[0015] Compared with the prior art, the utility model has the following beneficial technical effects: in the present application, multiple placement slots on the conveyor belt are utilized to facilitate sequential detection of multiple leaves to be tested, thereby improving detection efficiency; at the same time, the automatic transportation of the conveyor belt can be used to facilitate the detection area of ​​the CCD camera, so as to facilitate rapid loading and unloading detection of multiple samples to be tested, thereby improving detection efficiency.

[0016] In addition, the lead screw motor is used to drive the lead screw slide to slide horizontally relative to the lower support plate, so that the blade to be measured on the lead screw slide is facing the CCD camera. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model will be further described below in conjunction with the accompanying drawings.

[0018] Figure 1 This is a schematic diagram of the main structure of the portable detection device for visual detection of Huanglongbing in the utility model;

[0019] Figure 2 It is a schematic diagram of the conveying and adjusting in the portable detection device for visual detection of Huanglongbing in the utility model;

[0020] Figure 3 for Figure 2 Schematic diagram of the structure.

[0021] Explanation of the accompanying drawings: 1. Box body; 11. Upper support plate; 12. Shading plate; 13. Light hole; 14. Adjustment base; 2. Display unit; 3. Data processing module; 4. Recognition camera; 5. Power supply; 6. Infrared light source; 7. Conveying module; 71. Support; 72. Drive roller; 73. Conveyor belt; 74. Placement groove; 75. Cover plate; 8. Screw motor; 9. Screw slide; 91. Horizontal slide rail. DETAILED DESCRIPTION

[0022] The present embodiment discloses a portable detection device for visual detection of Huanglongbing, comprising a box 1, an infrared light source 6 installed in the box 1, a recognition camera 4, a data processing module 3, a power supply 5, and a display unit 2 located outside the box 1; the recognition camera 4, the infrared light source 6, the data processing module 3, and the display unit 2 are respectively connected to the power supply 5; the recognition camera 4 and the display unit 2 are respectively connected to the data processing module 3;

[0023] The recognition camera 4 is a CCD camera; the infrared light source 6 is a near-infrared lamp; the data processing module 3 is a DSP data processing module; the display unit 2 is a data display screen; an upper support plate 11 is arranged on the inner top of the box body 1, and the data processing module 3, the recognition camera 4, and the power supply 5 are arranged on the upper support plate 11.

[0024] According to the patent publication number CN117269102A, a rapid darkroom detection device for determining whether citrus leaves are infected with Huanglongbing disease is formed by combining a CCD camera, a near-infrared lamp, a darkroom, a DSP data processing module, a display module, a micro-movement support platform, a power module, a first switch, and a button switch. A near-infrared light source of a specific wavelength irradiates the citrus leaves, generating a reflection. The reflected signal light is received by the CCD camera. After receiving the signal, the CCD camera transmits it to the DSP data processing module, and calls the algorithm integrated therein to complete the visual identification of citrus Huanglongbing disease.

[0025] like Figure 1 As shown, in this embodiment, a lower support plate is installed on the inner bottom of the box body 1, two parallel horizontal slide rails 91 and a lead screw motor 8 are installed on the lower support plate, and a lead screw slide 9 driven to slide by a lead screw and a lead screw motor 8 is installed on the horizontal slide rail 91;

[0026] Specifically, in this embodiment, two horizontal slide rails 91 are symmetrically installed on the lower support plate, wherein two supports are installed on the lower support plate and between the two horizontal slide rails 91, and a lead screw is installed on the two supports through bearings, and the lead screw is driven by the lead screw motor 8, wherein a slide groove adapted to the horizontal slide rail 91 is provided at the bottom of the lead screw slide 9, and a lead screw nut seat installed on the lead screw is also installed;

[0027] The lead screw motor 8 is used to drive the lead screw slide 9 to slide horizontally relative to the lower support plate, so that the blade to be measured on the lead screw slide 9 is facing the CCD camera.

[0028] In this embodiment, Figure 1-3 As shown, a conveying module 7 located directly below the identification camera 4 is installed on the lead screw slide 9; the conveying module 7 includes a support 71 installed on the top surface of the lead screw slide 9, a transmission roller 72 installed on the support 71 and driven by a servo motor, and a conveyor belt 73 installed on the transmission roller 72; wherein placement grooves 74 for installing the blades to be measured are evenly spaced on the conveyor belt 73, wherein a transparent cover plate 75 is also provided in the placement groove 74;

[0029] The plurality of placement slots 74 on the conveyor belt 73 are utilized to facilitate sequential detection of a plurality of leaves to be detected, thereby improving detection efficiency. At the same time, the automatic transportation of the conveyor belt 73 can also facilitate the detection area of ​​the CCD camera.

[0030] In this embodiment, an adjustment base 14 is respectively installed at the four corners of the bottom of the box body 1; wherein the adjustment base 14 includes a screw sleeve welded to the four corners of the bottom of the box body 1, and a screw installed in the screw sleeve; an adjustment handle is installed on the top of the screw rod, and a support plate is installed at the bottom thereof; it is convenient to position according to needs and keep the position of the box body 1 stable.

[0031] In this embodiment, a shading plate 12 is installed in the box 1 and above the conveyor belt 73, and a light hole 13 is opened on the shading plate 12 and directly below the recognition camera 4, so as to form a black box with a relatively closed light source, so that the blade to be measured can radiate light from the infrared light source 6.

[0032] The above embodiments are only descriptions of the preferred methods of the invention, and are not intended to limit the scope of the invention. Without departing from the design spirit of the invention, various modifications and improvements made to the technical solution of the invention by ordinary technicians in this field should fall within the protection scope of the claims of the invention.

Claims

1. A portable detection device for visual detection of Huanglongbing, comprising a housing (1), an infrared light source (6) arranged in the housing (1), a recognition camera (4), a data processing module (3), a power supply (5), and a display unit (2) located outside the housing (1); the recognition camera (4), the infrared light source (6), the data processing module (3), and the display unit (2) are respectively connected to the power supply (5); the recognition camera (4) and the display unit (2) are respectively connected to the data processing module (3); characterized in that: A lower support plate is arranged at the inner bottom of the box body (1), two parallel horizontal slide rails (91) and a lead screw motor (8) are arranged on the lower support plate, and a lead screw slide table (9) driven to slide by a lead screw and a lead screw motor (8) is arranged on the horizontal slide rail (91); A conveying module (7) is arranged on the lead screw slide (9) and is located directly below the recognition camera (4); the conveying module (7) comprises a support (71) arranged on the top surface of the lead screw slide (9), a transmission roller (72) arranged on the support (71) and driven by a servo motor, and a conveyor belt (73) arranged on the transmission roller (72); placement grooves (74) for placing blades to be measured are evenly spaced on the conveyor belt (73), and a transparent cover plate (75) is also provided in the placement grooves (74).

2. The portable detection device for visual detection of Huanglongbing according to claim 1 is characterized in that: Adjustment bases (14) are respectively arranged at the four corners of the bottom of the box body (1); wherein the adjustment base (14) comprises screw sleeves welded to the four corners of the bottom of the box body (1) and screw rods arranged in the screw sleeves; an adjustment knob is installed at the top of the screw rod, and a support plate is arranged at the bottom thereof.

3. The portable detection device for visual detection of Huanglongbing according to claim 1, characterized in that: A shading plate (12) is arranged inside the box (1) and above the conveyor belt (73), and a light hole (13) is provided on the shading plate (12) and directly below the recognition camera (4).

4. The portable detection device for visual detection of Huanglongbing according to claim 1, characterized in that: The recognition camera (4) is a CCD camera; the infrared light source (6) is a near-infrared lamp; the data processing module (3) is a DSP data processing module; and the display unit (2) is a data display screen.

5. The portable detection device for visual detection of Huanglongbing according to claim 4 is characterized in that: An upper support plate (11) is arranged on the inner top of the box body (1), and a data processing module (3), an identification camera (4), and a power supply (5) are arranged on the upper support plate (11).

6. The portable detection device for visual detection of Huanglongbing according to claim 1, characterized in that: Two horizontal slide rails (91) are symmetrically arranged on the lower support plate, wherein two supports are arranged on the lower support plate and between the two horizontal slide rails (91), and a lead screw is arranged on the two supports through bearings, and the lead screw is driven by the lead screw motor (8), wherein a slide groove adapted to the horizontal slide rail (91) is arranged at the bottom of the lead screw slide (9), and a lead screw nut seat installed on the lead screw is also arranged.

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