Color detection device and coffee bean maturity discrimination device

Abstract

The utility model discloses a color detection device and a coffee bean maturity distinguishing device. The color detection device comprises a shell, a tray, an image capturing device, an annular light source and color analysis equipment. The shell is provided with a bottom plate and a top plate which are oppositely arranged; the tray is arranged on the bottom plate; the image capturing device is arranged on the top plate and faces the tray; the annular light source is arranged on the lower surface of the top plate and surrounds the image capturing device; and the color analysis equipment is connected to the image capturing device. The annular light source is arranged to provide an irradiation light source for the detected article in the tray, the image capturing device shoots the image of the detected article in the tray and compares the image with a standard color to obtain the color of the detected article, and the accuracy and repeatability of evaluation can be ensured. When the maturity of the coffee beans is distinguished, the color of the coffee beans can be accurately recognized to judge the maturity of coffee bean fruits, and the processing efficiency is improved.

Description

Technical Field

[0001] This application relates to the fields of agricultural automation and botany, and particularly to a color detection device and a coffee bean maturity discrimination device for monitoring and recording the color changes of coffee beans during their growth cycle. Background Art

[0002] Currently, in the fields of agricultural automation and botany, for the determination of the maturity of plant fruits during the production process, the mature quality and yield prediction in their growth cycle can usually be identified based on the color of the fruits. For example, the color change of coffee beans during the growth process is one of the key factors for determining their maturity. At present, most coffee growers rely on visual observation and personal experience to judge the maturity of coffee beans. This method is not only inefficient but also highly subjective, making it difficult to ensure the accuracy and repeatability of the evaluation. Moreover, the current color contrast recognition devices are difficult to accurately identify the color of fruits during the growth process. Summary of the Utility Model

[0003] The embodiments of this application provide a color detection device and a coffee bean maturity discrimination device, which can solve the technical problems that there is currently a lack of a color contrast recognition device for fruits during the growth process, and it is inefficient to rely on visual observation and personal experience to judge the maturity of fruits, and it is difficult to ensure the accuracy and repeatability of the evaluation.

[0004] The embodiments of this application provide a color detection device, including:

[0005] A housing having a bottom plate and a top plate disposed opposite to each other;

[0006] A tray disposed on the bottom plate;

[0007] An image capture device disposed on the top plate and facing the tray;

[0008] A ring light source disposed on the lower surface of the top plate and surrounding the image capture device;

[0009] A color analysis device connected to the image capture device, and obtaining the color of the detected item by comparing the image of the detected item in the tray captured by the image capture device with a standard color.

[0010] Further, the color detection device further includes:

[0011] A color comparison card disposed on the bottom plate and adjacent to the tray;

[0012] The image capturing device is also arranged towards the color comparison card, and the image capturing device captures images of the item to be detected in the tray and the color comparison card; the color analysis device uses the captured image of the color comparison card as the standard color.

[0013] Further, the image capturing device includes a fixed bracket and a camera. The fixed bracket is fixed on the top plate, and the camera is fixed on the fixed bracket.

[0014] Further, the top plate is provided with a through hole. The fixed bracket is fixed on one side of the through hole, the annular light source is arranged around the through hole, and the camera passes through the through hole and extends into the housing.

[0015] Further, a lifting device is also arranged on the bottom plate. The tray is arranged on the lifting device, and the lifting device can adjust the distance between the item to be detected in the tray and the image capturing device.

[0016] Further, the color comparison card is arranged on the lifting device.

[0017] Further, the color analysis device includes a display screen. The display screen is connected to the image capturing device through a communication interface, and the communication interface includes a wireless network module and / or a wired port that support remote data transmission and system update.

[0018] Further, the display screen is connected to a local computer or a data center through the communication interface.

[0019] Further, the housing is in a cuboid shape. The housing is also provided with side plates. The bottom plate and the top plate are arranged in parallel, the side plates are perpendicular to both the bottom plate and the top plate, and the side plates are provided with hatches for placing the item to be detected.

[0020] This application also provides a coffee bean maturity discrimination device, which includes the color detection device described above and a robotic arm for placing coffee beans into the color detection device.

[0021] The color detection device and the coffee bean maturity discrimination device provided by the embodiments of this application can provide an illumination light source for the item to be detected in the tray by setting an annular light source. The image capturing device captures an image of the item to be detected in the tray and compares it with the standard color to obtain the color of the item to be detected, which can ensure the accuracy and repeatability of the evaluation. When discriminating the maturity of coffee beans, it can accurately identify the color of coffee beans to judge the maturity of coffee bean fruits and improve the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The technical solutions and other beneficial effects of this application will become obvious by describing the specific embodiments of this application in detail with reference to the accompanying drawings.

[0023] Figure 1 This is a schematic structural diagram of the color detection device provided by the embodiment of the present application.

[0024] Figure 2 This is an internal schematic diagram of a part of the structure of the color detection device provided by the embodiment of the present application.

[0025] The identifications in the figure are as follows:

[0026] Color detection device 10, housing 1, bottom plate 11, top plate 12, side plate 13, tray 3, image capture device 4, fixing bracket 41, camera 42, annular light source 5, color analysis device 6, display screen 61, communication interface 62, color comparison card 7. Specific implementation manners

[0027] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present application.

[0028] In the description of the present application, it should be noted that, unless otherwise clearly defined and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, an electrical connection, or a communication with each other; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.

[0029] In the present application, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but are in contact through other features between them. Moreover, the first feature being "above", "above", and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "below", and "under" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is lower than that of the second feature.

[0030] Such as Figure 1 、 Figure 2As shown in the figure, an embodiment of the present application provides a color detection device 10, including: a housing 1, a tray 3, an image capture device 4, an annular light source 5, and a color analysis device 6.

[0031] The housing 1 is provided with a bottom plate 11 and a top plate 12 which are oppositely arranged; the tray 3 is arranged on the bottom plate 11; the image capture device 4 is arranged on the top plate 12 and is oriented towards the tray 3; the annular light source 5 is arranged on the lower surface of the top plate 12 and surrounds the image capture device 4; the color analysis device 6 is connected to the image capture device 4, and obtains the color of the item to be detected in the tray 3 by comparing the image of the item to be detected in the tray 3 captured by the image capture device 4 with a standard color.

[0032] Preferably, the housing 1 is a transparent structure, and the bottom plate 11 and the top plate 12 are light-transmitting plates, which can facilitate the operator to directly observe the detection process. Moreover, the top plate 12 being a light-transmitting plate can also facilitate the image capture device 4 to capture the image of the item to be detected in the tray 3. It provides a strong protection structure and can work stably under various climatic conditions.

[0033] In this embodiment, by setting the annular light source 5, an illumination light source can be provided for the item to be detected in the tray 3. The image capture device 4 captures the image of the item to be detected in the tray 3 and compares it with a standard color to obtain the color of the item to be detected, which can ensure the accuracy and repeatability of the evaluation.

[0034] Preferably, the item to be detected includes coffee beans. When distinguishing the maturity of coffee beans, the color of the coffee beans can be accurately identified to judge the maturity of the coffee bean fruits, improving the processing efficiency.

[0035] In this embodiment, the color detection device 10 further includes a color comparison card 7. The color comparison card 7 is arranged on the bottom plate 11 and is adjacent to the tray 3.

[0036] The image capture device 4 is also oriented towards the color comparison card 7, and the image capture device 4 captures the images of the item to be detected in the tray 3 and the color comparison card 7; the color analysis device 6 uses the image of the color comparison card 7 obtained as the standard color.

[0037] Preferably, the color comparison card 7 is a 24-color color comparison card 7. Identify the colors in the color comparison card 7 for comparison with the color of the coffee beans.

[0038] The following are the standard values of the 24-color color comparison card 7:

[0039] 1. Red R: 255, 0, 0;

[0040] 2. Orange 0: 255, 165, 0;

[0041] 3. Yellow Y: 255, 255, 0;

[0042] 4. Green - Yellow GY: 128, 255, 0;

[0043] 5. Cyan - Green CG: 0, 255, 128;

[0044] 6. Green G: 0, 255, 0;

[0045] 7. Green - Blue GB: 0, 128, 128;

[0046] 8. Indigo DB: 0, 0, 255;

[0047] 9. Blue B: 0, 0, 128;

[0048] 10. Violet V: 128, 0, 128;

[0049] 11. Red - Violet RP: 255, 0, 255;

[0050] 12. Rose Red MR: 255, 0, 128;

[0051] 13. Brown Br: 139, 69, 19;

[0052] 14. Black Bl: 0, 0, 0;

[0053] 15. Grey GY: 128, 128, 128;

[0054] 16. White W: 255, 255, 255;

[0055] 17. Pink P: 255, 192, 203;

[0056] 18. Chocolate Ch: 210, 105, 30;

[0057] 19. Royal Blue RB: 65, 105, 225;

[0058] 20. Silver S: 192, 192, 192;

[0059] 21. Gold G: 255, 215, 0;

[0060] 22. Lemon - Yellow LF: 255, 255, 77;

[0061] 23. Earth - Yellow FN: 255, 228, 141;

[0062] 24. Cream MN: 255, 248, 220.

[0063] In this embodiment, the image capturing device 4 includes a fixed bracket 41 and a camera 42. The fixed bracket 41 is fixed on the top plate 12, and the camera 42 is fixed on the fixed bracket 41. The fixed bracket 41 is an articulated and adjustable structure capable of adjusting the position of the camera 42 in the X-axis, Y-axis, and Z-axis. The camera 42 of the image capturing device 4 can simultaneously capture images of the item to be detected and the color comparison card 7 in the tray 3.

[0064] The image capturing device 4 can regularly and automatically capture high-definition images of the item to be detected.

[0065] The annular light source 5 is arranged around the image capturing device 4 and can provide stable and uniform light for shooting, ensuring the consistency of images under any weather conditions.

[0066] Preferably, the annular light source 5 is composed of multiple series-connected LED lights or OLED lights. The annular light source 5 surrounds the tray 3 and the color comparison card 7 is arranged, and can illuminate the item to be detected and the color comparison card 7 in the tray 3, facilitating the camera 42 of the image capturing device 4 to clearly capture images of the item to be detected and the color comparison card 7 in the tray 3.

[0067] In this embodiment, the top plate 12 is provided with a through hole. The fixed bracket 41 is fixed on one side of the through hole. The annular light source 5 is arranged around the through hole. The camera 42 passes through the through hole and extends into the housing 1. Wherein the top plate 12 is preferably a light-transmitting plate, which can also facilitate the image of the item to be detected in the tray 3 captured by the image capturing device 4. Further setting the through hole can capture the images of the item to be detected and the color comparison card 7 in the tray 3 without obstruction, improving the accuracy of image color recognition.

[0068] In this embodiment, a lifting device is further provided on the bottom plate 11. The tray 3 is arranged on the lifting device. The lifting device can adjust the distance between the item to be detected in the tray 3 and the image capturing device 4. During use, due to the focal length limitation of the camera 42 and the different diameter sizes of the coffee beans when the item to be detected includes coffee beans, the distance between the item to be detected in the tray 3 and the image capturing device 4 can be adjusted by the lifting device to facilitate focusing and improve the image quality.

[0069] In this embodiment, the color comparison card 7 is arranged on the lifting device. Such a setting can enable the color comparison card 7 and the item to be detected in the tray 3 to rise and fall synchronously, enabling the camera 42 to focus and obtain clear images of the item to be detected and the color comparison card 7 in the tray 3, improving the image quality.

[0070] In this embodiment, the color analysis device 6 includes a display screen 61, and the display screen 61 is connected to the image capture device 4 through a communication interface 62. The communication interface 62 includes a wireless network module and / or a wired port that support remote data transmission and system update.

[0071] Among them, the color analysis device 6 analyzes the data collected from the image capture device 4, can identify the subtle changes in the color of coffee fruits, convert the data into a color change curve, and compare it with the color comparison card 7. The display screen 61 displays the color change curve and analysis results of coffee beans, including the prediction of coffee fruit maturity, the color change rate, etc.

[0072] The implementation method in which the color analysis device 6 analyzes the data collected from the image capture device 4, can identify the subtle changes in the color of coffee fruits, convert the data into a color change curve, and compare it with the color comparison card 7 is a prior art.

[0073] In this embodiment, the display screen 61 is connected to a local computer or a data center through the communication interface 62. In the local computer or data center, more powerful data processing capabilities can be utilized for more in-depth data analysis and model optimization.

[0074] In this embodiment, the housing 1 is in the shape of a cuboid. The housing 1 is further provided with side plates 13. The bottom plate 11 and the top plate 12 are arranged in parallel, and the side plates 13 are perpendicular to both the bottom plate 11 and the top plate 12. The side plates 13 are provided with hatches for placing the items to be detected.

[0075] In a specific embodiment, the image capture device 4 adopts timing control and automatically captures coffee fruit images at regular intervals. The ambient light source is controlled by a photosensor, and the brightness is automatically adjusted according to the natural light conditions to ensure the consistency of image quality. The data processing unit is equipped with a high-performance microprocessor and advanced image recognition algorithms, can quickly and accurately analyze the color information in the image, and calculate the maturity of coffee beans through a preset color change model. This model is trained based on a large amount of historical data and can adapt to the maturity standards of different varieties of coffee beans.

[0076] The display screen 61 is designed to be touch-sensitive, not only displays real-time data and historical trend charts, but also allows users to input parameter settings and retrieve historical records. Users can set the capture frequency, analysis period, data synchronization time, etc., and customize the monitoring plan according to the actual planting situation.

[0077] The communication interface 62 ensures the secure transmission of data through an encrypted wireless network connection. The device can also be directly connected to a local computer or a data center through a wired port. In the data center, more powerful data processing capabilities can be utilized for more in-depth data analysis and model optimization.

[0078] The device also has a self-diagnosis function, which can detect and report faults or maintenance requirements to ensure continuous and stable operation.

[0079] This application also provides a device for distinguishing the maturity of coffee beans, which includes the color detection device 10 described above, and a robotic arm for placing the coffee beans into the color detection device 10.

[0080] The robotic arm can automatically position and place the coffee beans in the tray 3, and can also take the coffee beans out of the tray 3.

[0081] The device for distinguishing the maturity of coffee beans provided by the utility model can detect the color during the growth process of coffee beans. It not only provides an efficient and accurate monitoring means for coffee growers, but also provides a powerful tool for researchers to study the growth process of coffee beans. The use of this device helps to optimize the growth environment of coffee beans, improve the quality of the final product, and at the same time bring a scientific and standardized planting mode to the coffee industry.

[0082] The color detection device and the device for distinguishing the maturity of coffee beans provided by the embodiments of this application can provide an illumination light source for the item to be detected in the tray by setting an annular light source. The image capture device captures the image of the item to be detected in the tray and compares it with the standard color to obtain the color of the item to be detected, which can ensure the accuracy and repeatability of the evaluation. When distinguishing the maturity of coffee beans, it can accurately identify the color of coffee beans to judge the maturity of coffee bean fruits and improve the processing efficiency.

[0083] The technical solution provided by the utility model has the following advantages:

[0084] Objectivity: By means of automated image capture and data processing, the influence of human factors on the determination of the color of coffee beans is reduced.

[0085] Continuous monitoring: It can automatically capture images and record data regularly to provide continuous monitoring results.

[0086] Data traceability: The stored data can be used for traceability analysis to help understand the relationship between the coffee bean ripening process and environmental factors.

[0087] Easy to operate: The simple user interface and automated functions make the device easy to operate and manage.

[0088] In the above embodiments, the descriptions of each embodiment have their own emphases. For the parts not detailed in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0089] The above has introduced in detail a color detection device and a coffee bean maturity discrimination device provided by the embodiments of the present application. Specific examples are used herein to elaborate on the principle and implementation manner of the present application. The description of the above embodiments is only used to help understand the technical solution and its core idea of the present application; those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A color detection device, characterized in that: include: The housing is provided with a bottom plate and a top plate which are arranged opposite to each other; A tray, arranged on the bottom plate; An image capturing device is disposed on the top plate and is arranged toward the tray; An annular light source is disposed on the lower surface of the top plate and surrounds the image capturing device; The color analysis device is connected to the image capturing device and acquires the color of the detected object by comparing the detected object in the tray photographed by the image capturing device with a standard color.

2. The color detection device according to claim 1, characterized in that: The color detection device also includes: A colorimetric card is disposed on the bottom plate and adjacent to the tray; The image capturing device is also arranged toward the colorimetric card, and the image capturing device captures images of the inspected objects in the tray and the colorimetric card; the color analyzing device uses the acquired image of the colorimetric card as the standard color.

3. The color detection device according to claim 2, characterized in that: The image capturing device comprises a fixing bracket and a camera, wherein the fixing bracket is fixed on the top plate, and the camera is fixed on the fixing bracket.

4. The color detection device according to claim 3, characterized in that: The top plate is provided with a through hole, the fixing bracket is fixed on one side of the through hole, the annular light source is arranged around the through hole, and the camera extends into the shell through the through hole.

5. The color detection device according to claim 2, characterized in that: The bottom plate is also provided with a lifting device, the tray is arranged on the lifting device, and the lifting device can adjust the distance between the detected object in the tray and the image capturing device.

6. The color detection device according to claim 5, characterized in that: The colorimetric card is arranged on the lifting device.

7. The color detection device according to claim 1, characterized in that: The color analysis device includes a display screen, which is connected to the image capture device via a communication interface. The communication interface includes a wireless network module and / or a wired port that supports remote data transmission and system update.

8. The color detection device according to claim 7, characterized in that: The display screen is connected to a local computer or a data center via a communication interface.

9. The color detection device according to claim 1, characterized in that: The shell is in a rectangular shape and is further provided with side panels. The bottom panel and the top panel are arranged in parallel, and the side panels are arranged perpendicular to the bottom panel and the top panel. The side panels are provided with hatches for placing detected objects.

10. A coffee bean maturity identification device, characterized in that: The invention comprises a color detection device as claimed in any one of claims 1 to 9, and a robotic arm for placing coffee beans in the color detection device.

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