CN216500820U - Automatic detection device for appearance quality of fruits - Google Patents
Automatic detection device for appearance quality of fruits Download PDFInfo
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- CN216500820U CN216500820U CN202123148478.3U CN202123148478U CN216500820U CN 216500820 U CN216500820 U CN 216500820U CN 202123148478 U CN202123148478 U CN 202123148478U CN 216500820 U CN216500820 U CN 216500820U
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Abstract
The utility model relates to a fruit appearance quality automatic detection device, which comprises: the base frame comprises a three-dimensional square frame type support, a bottom plate and a base, wherein the bottom plate is arranged at the bottom of the three-dimensional square frame type support, and the base is arranged at the central position of the bottom plate; a control module disposed on the base of the base frame; the weighing module is arranged on the control module and used for bearing the fruits to be detected; one end of the rotating bracket is connected with the control module, and the rotating bracket is driven by the control module to rotate; and the machine vision module is arranged at the other end of the rotating support, synchronously moves along with the rotating support and is used for detecting the appearance quality of the fruit to be detected. This practicality can realize the intellectuality of fruit outward appearance quality on-line measuring classification process, improves fruit and detects hierarchical efficiency and precision.
Description
Technical Field
The utility model relates to the technical field of fruit quality detection, in particular to an automatic detection device for the appearance quality of fruits.
Background
China is the biggest fruit producing country and consuming country such as apples in the world, for example, the planting area and yield of apples account for more than 40% of the total amount of the world, and the apples play an important role in the world apple industry, but apples in China are generally lack of treatment after picking, and are even put into the market without grading, so that the average export of apples in nearly 6 years is less than 6%. It has long been an unscientific method to grade apples by weight, size alone, and weight does not represent the quality and maturity of the apples. The quality of the apples can be judged only by distinguishing professional indexes such as apple surface color, fruit point size, fruit point density degree, skin smoothness and the like, if the color of the apples is judged and classified by means of artificial naked eyes, a large amount of manpower and time are input, the classification precision and consistency are poor and the classification quality cannot be guaranteed due to the influence of individual subjective factors. Therefore, the development of the fruit industry urgently needs the technology of automatic detection after the fruits are picked.
Disclosure of Invention
In view of the above problems, the present invention provides an automatic detecting device for fruit appearance quality, which can realize the intellectualization of the on-line detecting and grading process of fruit appearance quality and improve the efficiency and precision of fruit detection and grading.
In order to achieve the purpose, the utility model adopts the following technical scheme: an automatic detection device for the appearance quality of fruits comprises: the base frame comprises a three-dimensional square frame type support, a bottom plate and a base, wherein the bottom plate is arranged at the bottom of the three-dimensional square frame type support, and the base is arranged at the central position of the bottom plate; a control module disposed on the base of the base frame; the weighing module is arranged on the control module and used for bearing the fruits to be detected; one end of the rotating bracket is connected with the control module, and the rotating bracket is driven by the control module to rotate; and the machine vision module is arranged at the other end of the rotating support, synchronously moves along with the rotating support and is used for detecting the appearance quality of the fruit to be detected.
Further, the control module includes: the bottom of an inner ring of the movable bearing is fixed on the base, and the top of the inner ring is connected with the weighing module; a large cylindrical gear is arranged in the middle of the movable bearing and is fixedly connected with the outer ring of the movable bearing, and the large cylindrical gear drives the outer ring to rotate; the three-phase hybrid stepping motor is arranged below the bottom plate, and an output shaft of the three-phase hybrid stepping motor penetrates through the bottom plate and is positioned above the bottom plate; the small cylindrical gear is coaxially connected with an output shaft of the three-phase hybrid stepping motor through a plum coupling, and the small cylindrical gear is in meshed transmission connection with the large cylindrical gear.
Further, the weighing module includes: one end of the pressure weighing base is connected with the control module; the pressure sensor is arranged at the top of the other end of the pressure weighing base, is connected with a main control device arranged outside the device through an HX711 module, and transmits sensed weight data to the active device; and the containing tray is arranged on the upper part of the pressure sensor and is used for bearing the fruits to be detected.
Further, the rotating bracket comprises a stretching bracket and a camera supporting rod; one end of the stretching support is fixedly connected with the upper part of the outer ring of the movable bearing in the control module, the other end of the stretching support is a telescopic end, and the camera supporting rod is vertically movably arranged at the other end of the stretching support.
Further, the machine vision module includes a camera; the camera is arranged at the top of the camera supporting rod.
Further, the top of the camera supporting rod is also provided with an ultrasonic distance measuring sensor for measuring the distance between the camera and the fruit to be detected.
Further, the distance between the camera and the fruit to be detected is 10-12 cm.
Further, the base frame further comprises rubber shockproof ground feet and an LED lamp strip; the rubber shockproof ground feet are arranged at four vertex angles at the bottom of the three-dimensional square frame type support, and the LED lamp belts are arranged around the top of the three-dimensional square frame type support and used for providing auxiliary light sources for detection.
Due to the adoption of the technical scheme, the utility model has the following advantages:
1. the utility model can be used for the sorting stage of a fruit detection production line, can replace the traditional artificial subjective judgment and classification, and improves the detection efficiency and the detection accuracy.
2. The utility model adopts a surrounding shooting identification structure, thereby reducing the visual blind area and the visual error of the fruit appearance detection process as much as possible.
3. The utility model can meet the special requirement of detecting the non-dead-angle type fruit skin, can detect any part of the fruit in real time and improves the detection precision.
Drawings
FIG. 1 is an isometric view of a detection device in an embodiment of the utility model;
FIG. 2 is a front view of an automatic detecting apparatus for fruit appearance quality according to an embodiment of the present invention;
FIG. 3 is an assembly view of a control module in one embodiment of the present invention;
FIG. 4 is an assembly view of a rotating bracket in one embodiment of the present invention;
FIG. 5a is a schematic view of a live bearing in an embodiment of the present invention;
FIG. 5b is a schematic view of a camera support bar according to an embodiment of the present invention;
FIG. 6a is a schematic view of a weighing module installation in one embodiment of the present invention;
FIG. 6b is a schematic view of a pressure weighing base in one embodiment of the present invention;
FIG. 7 is an isometric view of a base frame in an embodiment of the utility model;
the reference numbers are as follows:
1. a three-dimensional square frame type bracket; 2. a base plate; 3. a base; 4. a movable bearing; 5. a large cylindrical gear; 6. a three-phase hybrid stepping motor; 7. a small cylindrical gear; 8. a quincuncial coupler; 9. a pressure weighing base; 10. a pressure sensor; 11. a holding tray; 12. stretching the bracket; 13. a camera support bar; 14. a camera; 15. rubber shockproof ground feet; 16. an LED strip.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model, are within the scope of the utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The utility model discloses an automatic detection device for the appearance quality of apples. The device comprises a base frame, a base frame and a supporting frame, wherein the base frame comprises a three-dimensional square frame type support 1, a bottom plate 2 and a base 3, the bottom plate 2 is arranged at the bottom of the three-dimensional square frame type support 1, and the base 3 is arranged at the central position of the bottom plate 2; a control module disposed on the base 3 of the base frame; the weighing module is arranged on the control module and used for bearing the fruits to be detected; one end of the rotating bracket is connected with the control module, and the rotating bracket is driven by the control module to rotate; and the machine vision module is arranged at the other end of the rotating support, synchronously moves along with the rotating support and is used for detecting the appearance quality of the fruit to be detected. The utility model shoots central fruit in real time in a surrounding way through the movable camera, detects the appearance quality of the apple, and the detection indexes comprise: apple species, surface smoothness, fruit peel and fruit point size, peel and fruit point density, fruit core size and color category. And realizing professional intelligent detection grading of the apples according to different detection indexes. The utility model realizes the intelligent detection of the appearance quality of the fruits and improves the detection efficiency and precision.
In an embodiment of the present invention, as shown in fig. 1 and fig. 2, an automatic detecting device for the appearance quality of fruit is provided, and in this embodiment, the device includes:
the base frame comprises a three-dimensional square frame type support 1, a bottom plate 2 and a base 3, wherein the bottom plate 2 is arranged at the bottom of the three-dimensional square frame type support 1, and the base 3 is arranged at the central position of the bottom plate 2;
a control module disposed on the base 3 of the base frame;
the weighing module is arranged on the control module and used for bearing the fruits to be detected;
one end of the rotating bracket is connected with the control module, and the rotating bracket is driven by the control module to rotate;
and the machine vision module is arranged at the other end of the rotating support, synchronously moves along with the rotating support and is used for detecting the appearance quality of the fruit to be detected.
In the above embodiment, as shown in fig. 3, the control module includes:
the bottom of an inner ring of the movable bearing 4 is fixed on the base 3, and the top of the inner ring is connected with the weighing module; a large cylindrical gear 5 is arranged in the middle of the movable bearing 4, the large cylindrical gear 5 is fixedly connected with the outer ring of the movable bearing 4, and the outer ring is driven to rotate by the large cylindrical gear 5;
the three-phase hybrid stepping motor 6 is arranged below the bottom plate 2, and an output shaft of the three-phase hybrid stepping motor penetrates through the bottom plate 2 and is positioned above the bottom plate 2;
the small cylindrical gear 7 is coaxially connected with an output shaft of the three-phase hybrid stepping motor 6 through a plum coupling 8, and the small cylindrical gear 7 is in meshing transmission connection with the large cylindrical gear 5.
During the use, three-phase hybrid step motor 6 is external in the main control unit, and plum blossom shaft coupling 8 is installed on the top, and its just biography and reversal all can be through plum blossom shaft coupling 8 and control the rotation of small circle cylindrical gear 7, and then drive big cylindrical gear 5 to this drives and rotates support and machine vision module and rotates.
In the above embodiment, as shown in fig. 2, 6a, and 6b, the weighing module includes:
one end of the pressure weighing base 9 is connected with the control module;
the pressure sensor 10 is arranged at the top of the other end of the pressure weighing base 9, is connected with a main control device arranged outside the device through an HX711 module, and transmits sensed weight data to the active device;
and the containing tray 11 is arranged at the upper part of the pressure sensor 10 and is used for bearing the fruits to be detected.
When the fruit weight sensor is used, target fruits to be detected are placed into the containing tray 11, and the pressure sensor 10 transmits sensed weight data to the main control equipment through the HX711 module.
Preferably, the pressure sensor 10 may adopt a 1kg pressure sensor; the HX711 module is connected with the main control equipment, and the collected apple weight data information is sent to the main control equipment in a serial port mode.
Preferably, the master control equipment can adopt a single chip microcomputer, a PLC or an Arduino and the like.
In the above embodiment, as shown in fig. 4, 5a, and 5b, the rotating bracket includes the stretching bracket 12 and the camera supporting rod 13; one end of a stretching bracket 12 is fixedly connected with the upper part of the outer ring of the movable bearing 4 in the control module, the other end of the stretching bracket 12 is a telescopic end, and a camera supporting rod 13 is vertically and movably arranged at the other end of the stretching bracket 12.
Wherein, the top of the camera supporting rod 13 is also provided with an ultrasonic distance measuring sensor for measuring the distance between the camera 14 and the fruit to be detected.
When the pressure weighing device is used, the control module three-phase hybrid stepping motor 6 and the movable bearing 4 are linked to rotate by taking the pressure weighing base 9 as a shaft. Meanwhile, an active area is arranged at the movable connection position of the camera supporting rod 13 and the stretching support 12, and when data from the ultrasonic distance measuring sensor exceeds a defined threshold value, the distance between the camera 14 above the camera supporting rod 13 and the apple can be adjusted.
In the above embodiment, the machine vision module includes the camera 14; the camera 14 is arranged at the top of the camera supporting rod 13 and used for collecting the fruit image to be detected. When the fruit peeling machine is used, the camera 14 always faces to the center of a fruit, and the distance between the camera 14 and the fruit is kept between 10cm and 12 cm.
In this embodiment, the machine vision module is in a mobile mode for taking a real-time photograph of the side of the central fruit.
In the above embodiment, as shown in fig. 7, the base frame further includes rubber shock-proof feet 15 and an LED strip 16; rubber shockproof foot margin 15 sets up four apex angle departments in three-dimensional square frame support 1 bottom, and LED lamp area 16 sets up around 1 top of three-dimensional square frame support for provide the auxiliary light source for the detection. During the use, whole base frame provides a good environment and bears for image information gathers, and rubber shockproof lower margin 15 has guaranteed the stability of whole device, and LED lamp area 16 provides the illumination shooting condition.
In summary, for example, when the appearance quality of the apple is detected, the using process of the utility model is as follows: put the apple on holding tray 11, three-phase hybrid step motor 6 is gone up the electricity back drive and is rotated the support and rotate, rotate the image that in-process camera 14 can 360 degrees shooting apple epidermis situations, the interval of supersound range sensor measuring lens and apple simultaneously, pressure sensor 10 gets rid of and holds tray 11 weight back and can record the net weight of apple, whether the interval between camera 14 and the apple need be adjusted to control module accessible supersound range sensor's measuring distance affirmation. And processing the shot image, and detecting the apple variety, the surface smoothness, the fruit point size of the fruit skin, the fruit point density of the fruit skin, the fruit core size and the color category. And realizing professional intelligent detection grading of the apples according to different detection indexes.
The utility model can meet the requirements of the detection link of the existing apple appearance quality detection and classification technology, further improve the specialized detection degree of commercialized treatment after picking the apples, and can be used for the detection and classification stage after picking the apples.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a fruit outward appearance quality automatic checkout device which characterized in that includes:
the base frame comprises a three-dimensional square frame type support (1), a bottom plate (2) and a base (3), wherein the bottom plate (2) is arranged at the bottom of the three-dimensional square frame type support (1), and the base (3) is arranged at the central position of the bottom plate (2);
a control module arranged on the base (3) of the base frame;
the weighing module is arranged on the control module and used for bearing the fruits to be detected;
one end of the rotating bracket is connected with the control module, and the rotating bracket is driven by the control module to rotate;
and the machine vision module is arranged at the other end of the rotating support, synchronously moves along with the rotating support and is used for detecting the appearance quality of the fruit to be detected.
2. The automatic fruit appearance quality detection device of claim 1, wherein the control module comprises:
the bottom of an inner ring of the movable bearing (4) is fixed on the base (3), and the top of the inner ring is connected with the weighing module; a large cylindrical gear (5) is arranged in the middle of the movable bearing (4), the large cylindrical gear (5) is fixedly connected with the outer ring of the movable bearing (4), and the large cylindrical gear (5) drives the outer ring to rotate;
the three-phase hybrid stepping motor (6) is arranged below the bottom plate (2), and an output shaft of the three-phase hybrid stepping motor penetrates through the bottom plate (2) and is positioned above the bottom plate (2);
small circle cylindrical gear (7), through plum blossom shaft coupling (8) with the output shaft coaxial coupling of three-phase hybrid step motor (6), small circle cylindrical gear (7) with big cylindrical gear (5) meshing transmission is connected.
3. The automatic fruit appearance quality detection device of claim 1, wherein the weighing module comprises:
the pressure weighing base (9) is connected with one end of the pressure weighing base and the control module;
the pressure sensor (10) is arranged at the top of the other end of the pressure weighing base (9), is connected with a main control device arranged outside the device through an HX711 module, and transmits sensed weight data to the main control device;
and the containing tray (11) is arranged at the upper part of the pressure sensor (10) and is used for bearing the fruits to be detected.
4. The automatic fruit appearance quality detection device according to claim 2, wherein the rotating bracket comprises a stretching bracket (12) and a camera supporting rod (13); one end of the stretching support (12) is fixedly connected with the upper portion of the outer ring of the movable bearing (4) in the control module, the other end of the stretching support (12) is provided with a telescopic end, and the camera supporting rod (13) is vertically movably arranged at the other end of the stretching support (12).
5. The automatic fruit appearance quality detection device according to claim 4, wherein the machine vision module comprises a camera (14); the camera (14) is arranged at the top of the camera supporting rod (13).
6. The automatic detecting device for the appearance quality of fruit according to claim 5, characterized in that an ultrasonic distance measuring sensor for measuring the distance between the camera (14) and the fruit to be detected is further arranged on the top of the camera supporting rod (13).
7. The automatic detection device for the appearance quality of the fruits according to claim 5, wherein the distance between the camera (14) and the fruits to be detected is 10 cm-12 cm.
8. The automatic fruit appearance quality detection device according to claim 1, wherein the base frame further comprises rubber shock-proof feet (15) and an LED lamp strip (16); the rubber shockproof ground feet (15) are arranged at four vertex angles at the bottom of the three-dimensional square frame type support (1), and the LED lamp belts (16) are arranged around the top of the three-dimensional square frame type support (1) and used for providing auxiliary light sources for detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123148478.3U CN216500820U (en) | 2021-12-15 | 2021-12-15 | Automatic detection device for appearance quality of fruits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123148478.3U CN216500820U (en) | 2021-12-15 | 2021-12-15 | Automatic detection device for appearance quality of fruits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216500820U true CN216500820U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123148478.3U Active CN216500820U (en) | 2021-12-15 | 2021-12-15 | Automatic detection device for appearance quality of fruits |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216500820U (en) |
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2021
- 2021-12-15 CN CN202123148478.3U patent/CN216500820U/en active Active
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