Handheld detection equipment for rapidly detecting citrus huanglongbing

Abstract

The invention relates to the field of detection equipment, in particular to handheld detection equipment for rapidly detecting citrus huanglongbing. The handheld detection equipment for rapidly detecting the citrus huanglongbing comprises an infrared detector body, a holding handle is arranged at the lower end of the infrared detector body, an infrared detection probe is arranged at the front end of the infrared detector body, and a display screen is arranged at the rear end of the infrared detector body. According to the handheld detection equipment for rapidly detecting the citrus huanglongbing, through cooperation of the infrared detector body, the holding handle, the infrared detection probe, the display screen and the like, when the handheld detection equipment is used, the holding handle is held, and the infrared detection probe is aligned to citrus branches and leaves to be detected; the infrared thermal imaging analysis unit in the infrared detector body is combined with chlorophyll fluorescence parameters and an imaging picture, so that a detection result can be displayed on the display screen, whether the citrus is infected with the citrus huanglongbing or not can be conveniently and timely found, early prevention and treatment can be performed, and the device has the advantages of simple structure, convenience in carrying and convenience in detection.

Description

Technical Field

[0001] The invention relates to the field of detection equipment, and in particular to a handheld detection equipment for rapid detection of citrus Huanglongbing disease. Background Art

[0002] Citrus Huanglongbing (HLB or Citrus Greening) is a citrus plant disease caused by the phloem-parasitic Gram-negative bacteria Candidatus Liberibacter asiaticus (CLas), which seriously affects the quality and yield of citrus fruits and causes huge economic losses. Huanglongbing can cause a decline in both the quality and yield of citrus fruits in the first year of its onset, and the entire citrus tree will die within three years. It is the number one killer of citrus production, and there is no effective treatment. It is called the "cancer" of citrus. Scientists have conducted a lot of research on the prevention of Huanglongbing. However, no treatment method with promotional value has been found. Therefore, scientists' research on Huanglongbing mainly focuses on how to prevent and control it in the early stage. The disease causes changes in the pigment and structure of crop leaves and fruits, resulting in the reflectance spectrum of infected plants being different from that of healthy plants. The comprehensive use of hyperspectral imaging detection technology, chlorophyll fluorescence imaging technology and multispectral fluorescence imaging technology can achieve visual rapid detection and evaluate the stage of disease occurrence and the degree of damage. Optional functional units such as RGB visible light imaging and infrared thermal imaging analysis can be used to conduct a comprehensive study on the incidence of Huanglongbing and its physiological phenotype. Researchers have determined the unique fluorescent markers of Huanglongbing by performing chlorophyll fluorescence imaging analysis on healthy leaves, leaves infected with Huanglongbing, and leaves lacking nutrients. Combining chlorophyll fluorescence parameters with imaging images, the best identification and classification effect of Huanglongbing on leaves has been achieved, with an accuracy rate of 97%.

[0003] Therefore, it is necessary to design a handheld detection device for rapid detection of citrus Huanglongbing. Summary of the invention

[0004] In view of the defects in the prior art, the present invention provides a handheld detection device for rapid detection of citrus Huanglongbing.

[0005] The technical solution adopted by the present invention is: a handheld detection device for quickly detecting citrus Huanglongbing disease, comprising an infrared detector body, a gripping handle is arranged at the lower end of the infrared detector body, an infrared detection probe is arranged at the front end of the infrared detector body, and a display screen is arranged at the rear end; a detection optical path structure, an infrared thermal imaging analysis unit and a battery are arranged in the infrared detector body, the battery is connected to the infrared thermal imaging analysis unit, and a photosensitive array matched with the detection optical path structure is arranged on the infrared thermal imaging analysis unit.

[0006] To better implement the present invention, the optical path structure includes a first convex mirror arranged at the infrared detection probe, a light channel is arranged between the first convex mirror and the photosensitive array, and a second convex mirror and a filter grating are arranged in sequence in the light channel.

[0007] In order to better implement the present invention, an LED light source is arranged in the infrared detector body, and the light of the LED light source is directed to the infrared detection probe through the first convex mirror.

[0008] In order to better implement the present invention, a USB interface is provided at the rear end of the infrared detector body.

[0009] In order to better implement the present invention, a push switch for controlling the infrared detection probe is provided on the gripping handle.

[0010] In order to better implement the present invention, it also includes a protective cover, the lower end of which is installed on the front end of the infrared detector body through a hinge; a pull rod is also hinged on the protective cover below the hinge, the other end of the pull rod is connected to a push switch, and a reset spring is connected to the back of the push switch.

[0011] In order to better implement the present invention, a hexagonal prism platform is arranged at the lower end of the gripping handle.

[0012] In order to better realize the present invention, the infrared detector body, the gripping handle and the hexagonal prism stand are integrally formed of polyethylene material.

[0013] The beneficial effects of the present invention are embodied in the following aspects: the handheld detection device for rapid detection of citrus Huanglongbing disease of the present invention, through the cooperation of an infrared detector body, a holding handle, an infrared detection probe and a display screen, etc., when in use, the holding handle is held, and the infrared detection probe is aimed at the branches and leaves of the citrus to be detected. The infrared thermal imaging analysis unit in the infrared detector body is combined with chlorophyll fluorescence parameters and imaging diagrams, and the detection results can be displayed on the display screen. It is convenient and timely to find out whether the citrus is infected with Huanglongbing disease, and early prevention and treatment can be carried out. It has the advantages of simple structure, easy to carry and easy to detect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0015] Figure 1 A schematic diagram of the structure of a handheld detection device for rapid detection of citrus Huanglongbing disease according to the present invention; Figure 2 A schematic diagram of the structure of a display screen of a handheld detection device for rapid detection of citrus Huanglongbing disease according to the present invention; Figure 3 A schematic diagram of the structure of a holding handle of a handheld detection device for rapid detection of citrus Huanglongbing disease according to the present invention; Figure 4 A schematic diagram of the structure of a protective cover of a handheld detection device for rapid detection of citrus Huanglongbing disease according to the present invention; Figure 5 A schematic diagram of the structure of a handheld detection device for rapid detection of citrus Huanglongbing disease according to the present invention; In the attached drawings, 1 is the infrared detector body, 2 is the gripping handle, 3 is the infrared detection probe, 4 is the USB interface, 5 is the display screen, 6 is the protective cover, 7 is the push switch, 8 is the hexagonal prism base, 9 is the return spring, 10 is the hinge part, 11 is the pull rod, 12 is the spring mounting seat, 13 is the battery, 14 is the first convex mirror, 15 is the LED light source, 16 is the light channel, 17 is the second convex mirror, 18 is the filtering grating, 19 is the infrared thermal imaging analysis unit, and 20 is the photosensitive array. DETAILED DESCRIPTION

[0016] The following embodiments of the technical solution of the present invention are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and are therefore only used as examples, and cannot be used to limit the protection scope of the present invention. In order to make the purpose, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all the embodiments. The components of the embodiments of the present disclosure described and shown in the drawings here can be arranged and designed in various different configurations.

[0017] In the description of the present disclosure, it should be noted that the orientation or positional relationship indicated by the terms "upper", "inner", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the disclosed product is usually placed when in use, and is only for the convenience of describing the present disclosure and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present disclosure. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0018] In the description of the present disclosure, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "disposed" and "connected" 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 elements. For ordinary technicians in this field, the specific meanings of the above terms in the present disclosure can be understood according to specific circumstances.

[0019] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by those skilled in the art in the field to which the present invention relates.

[0020] Example: like Figures 1 to 5 As shown, the handheld detection device for rapid detection of citrus Huanglongbing disease of the present invention comprises an infrared detector body 1, a gripping handle 2 is arranged at the lower end of the infrared detector body 1, an infrared detection probe 3 is arranged at the front end of the infrared detector body 1, and a display screen 5 is arranged at the rear end; a detection optical path structure, an infrared thermal imaging analysis unit 19 and a battery 13 are arranged in the infrared detector body 1, the battery 13 is connected to the infrared thermal imaging analysis unit 19, and a photosensitive array 20 matched with the detection optical path structure is arranged on the infrared thermal imaging analysis unit 19. The handheld detection device for rapid detection of citrus Huanglongbing disease of the present invention cooperates with an infrared detector body 1, a gripping handle 2, an infrared detection probe 3 and a display screen 5. When in use, the gripping handle 2 is held and the infrared detection probe 3 is aimed at the branches and leaves of the citrus to be detected. The infrared thermal imaging analysis unit 19 in the infrared detector body 1 combines chlorophyll fluorescence parameters with the imaging diagram to display the detection result on the display screen 5. It is convenient and timely to find out whether the citrus is infected with Huanglongbing disease, and early prevention and treatment can be carried out. It has the advantages of simple structure, easy carrying and easy detection.

[0021] As a preferred embodiment, the optical path structure includes a first convex mirror 14 disposed at the infrared detection probe 3, a light channel 16 is disposed between the first convex mirror 14 and the photosensitive array 20, and a second convex mirror 17 and a filter grating 18 are sequentially disposed in the light channel 16. Further preferably, an LED light source 15 is disposed in the infrared detector body 1, and the light of the LED light source 15 is emitted toward the infrared detection probe 3 through the first convex mirror 14. When in use, the LED light source 15 emits light to reach the branches and leaves, and then reflects through the first convex mirror 14, advances in the light channel 16 in the form of parallel light, and converges on the photosensitive array 20 after passing through the second convex mirror 17 and the filter grating 18. The infrared thermal imaging analysis unit 19 obtains the corresponding light information, and combines the chlorophyll fluorescence parameters with the imaging diagram to display the detection results on the display screen 5, so that it is convenient and timely to find out whether the citrus is infected with Huanglongbing, and can prevent and treat it at an early stage, and has the advantages of simple structure, easy to carry, and easy to detect.

[0022] As a preferred embodiment, a USB interface 4 is provided at the rear end of the infrared detector body 1. After such a design, the USB interface 4 can not only be used as a charging interface to charge the infrared detector body 1, but also can be used for data transmission, and the data obtained by the detection can be transmitted and copied for subsequent processing.

[0023] As a preferred embodiment, a push switch 7 for controlling the infrared detection probe 3 is provided on the gripping handle 2. After such a design, when detection is required, the infrared detection probe 3 can be made to perform detection by pressing the push switch 7.

[0024] As a preferred embodiment, it also includes a protective cover 6, the lower end of which is mounted on the front end of the infrared detector body 1 through a hinge 10; a pull rod 11 is also hinged on the protective cover 6 below the hinge 10, and the other end of the pull rod 11 is connected to the push switch 7, and the back of the push switch 7 is connected to a reset spring 9. After such a design, when the push switch 7 is pressed to allow the infrared detection probe 3 to work, the lower part of the protective cover 6 can be pulled by the pull rod 11, and the upper part of the protective cover 6 can be rotated to open, so that the infrared detection probe 3 can detect branches and leaves. The setting of the reset spring 9 can facilitate the reset of the push switch 7. When the detection is completed, the push switch 7 is released, and the reset spring 9 resets the push switch 7, and the lower end of the protective cover 6 is pushed by the pull rod 11, so that the upper end of the protective cover 6 is covered, which plays a better protective role on the infrared detection probe 3.

[0025] As a preferred embodiment, a hexagonal prism platform 8 is provided at the lower end of the gripping handle 2. An extension rod can be provided, and a corresponding hexagonal prism groove is provided at the end, and the hexagonal prism platform 8 can be inserted therein, which plays a certain extension role. For example, when the staff is not convenient to carry the device when climbing a tree, when reaching the tree, the staff on the ground can use a long rod with a hexagonal prism groove to lift the entire device up.

[0026] As a preferred embodiment, the infrared detector body 1, the gripping handle 2 and the hexagonal prism base 8 are integrally formed of polyethylene material, and have good heat resistance, cold resistance, mechanical properties, dielectric properties, chemical stability and low water absorption.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

Claims

1. A handheld detection device for rapid detection of citrus Huanglongbing, characterized in that: The infrared detector body (1) comprises an infrared detector body (1), a gripping handle (2) is arranged at the lower end of the infrared detector body (1), an infrared detection probe (3) is arranged at the front end of the infrared detector body (1), and a display screen (5) is arranged at the rear end; a detection optical path structure, an infrared thermal imaging analysis unit (19) and a storage battery (13) are arranged in the infrared detector body (1), the storage battery (13) is connected to the infrared thermal imaging analysis unit (19), and a photosensitive array (20) matched with the detection optical path structure is arranged on the infrared thermal imaging analysis unit (19).

2. The handheld detection device for rapid detection of citrus Huanglongbing according to claim 1, characterized in that: The optical path structure comprises a first convex mirror (14) arranged at the infrared detection probe (3), a light channel (16) is arranged between the first convex mirror (14) and the photosensitive array (20), and a second convex mirror (17) and a filtering grating (18) are arranged in sequence in the light channel (16).

3. The handheld detection device for rapid detection of citrus Huanglongbing according to claim 2, characterized in that: An LED light source (15) is arranged in the infrared detector body (1), and light from the LED light source (15) is emitted toward the infrared detection probe (3) through a first convex mirror (14).

4. The handheld detection device for rapid detection of citrus Huanglongbing according to claim 1, characterized in that: A USB interface (4) is provided at the rear end of the infrared detector body (1).

5. The handheld detection device for rapid detection of citrus Huanglongbing according to claim 4, characterized in that: A push switch (7) for controlling the infrared detection probe (3) is provided on the holding handle (2).

6. The handheld detection device for rapid detection of citrus Huanglongbing according to claim 5, characterized in that: It also includes a protective cover (6), the lower end of which is mounted on the front end of the infrared detector body (1) via a hinged portion (10); a pull rod (11) is hingedly connected to the protective cover (6) below the hinged portion (10), the other end of which is connected to a push switch (7), and a return spring (9) is connected to the back of the push switch (7).

7. The handheld detection device for rapid detection of citrus Huanglongbing according to claim 6, characterized in that: A hexagonal prism platform (8) is provided at the lower end of the holding handle (2).

8. The handheld detection device for rapid detection of citrus Huanglongbing according to claim 7, characterized in that: The infrared detector body (1), the gripping handle (2) and the hexagonal prism base (8) are integrally formed using polyethylene material.

Images