Device for rapidly measuring setting rate of rice
By designing an automated rice seed setting rate measuring device, and utilizing heating, vibration, and image acquisition technologies, the problems of low efficiency and unstable accuracy in traditional methods have been solved, enabling rapid and accurate measurement of rice seed setting rate.
Patent Information
- Application Number
- CN202520232908.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-14
AI Technical Summary
Traditional methods for measuring rice seed setting rate rely on manual identification, which is inefficient, has unstable accuracy, and is time-consuming and labor-intensive, making it difficult to meet the needs of rapid breeding.
An automated device comprising a black conveyor belt, a vibration mechanism, a detection mechanism, and a guide channel was designed. Through heating, vibration, and image acquisition technologies, it can automatically identify rice grains and calculate the grain filling rate.
It enables rapid and accurate measurement of rice seed setting rate without human visual inspection, improving measurement efficiency and accuracy while reducing the impact of human factors.
Smart Images

Figure CN223857033U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of plant breeding, specifically relates to a device for rapidly determining rice seed setting rate. BACKGROUND
[0002] Rice is one of the world's most important food crops, whether it is traditional hybrid breeding or transgenic breeding based on genetic improvement technology, and the breeder takes cultivating high-quality and high-yield rice as the primary goal. Among them, the rice seed setting rate is an important phenotypic parameter to characterize the quality of rice varieties. In agronomy, the seed setting rate is defined as the percentage of full grains in the sum of full grains and shriveled grains; among them, the full grains are grains with more than 1 / 3 of the filling degree, and the shriveled grains are grains with less than 1 / 3 of the filling degree. The traditional method of distinguishing the number of full grains and total grains mainly includes water floating method and air separation method, in addition to the grain lifting method and the like. The traditional measurement method mainly relies on manual differentiation of the fullness of rice grains, but the manual visual method has the disadvantages of low efficiency, unstable measurement accuracy, strong subjectivity of the operator, time-consuming and labor-consuming, etc. With the rapid development of breeding technology, hundreds of new breeding materials need to be processed in a day.
[0003] Therefore, there is an urgent need for a device that can automatically detect and accurately detect the rice seed setting rate. CONTENT OF THE UTILITY MODEL
[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0005] A device for rapidly determining the seed setting rate of rice, comprising:
[0006] A rack;
[0007] A black conveyor belt arranged in the rack;
[0008] A feed box arranged at the inner top of the rack and located at the starting end of the black conveyor belt, for heating the rice seed sample to be tested to a preset temperature and then falling onto the black conveyor belt;
[0009] A first vibration mechanism arranged on the black conveyor belt, for flattening the rice seed sample to be tested on the black conveyor belt by vibration;
[0010] A detection mechanism arranged at the inner top of the rack and located at the terminal end of the black conveyor belt, for detecting the rice seed sample to be tested on the black conveyor belt;
[0011] A guide channel located at the bottom of the detection mechanism and abutting against the black conveyor belt, for guiding the rice seed sample to be tested.
[0012] Further, the bottom of the feeding box is provided with a feeding disc, and a second vibration mechanism for vibrating the to-be-tested rice grain sample to the black conveyor belt is arranged on the feeding disc, the second vibration mechanism is located directly below the feeding disc and abuts against the feeding disc.
[0013] Further, a plurality of sample heating ports are arranged on the feeding disc, and the plurality of sample heating ports are uniformly distributed on the end face of the feeding disc; and a heating element is arranged in each sample heating port.
[0014] Further, the first vibration mechanism comprises a control box, a motor, a limiting rod, a plurality of gears and two racks.
[0015] The control box is arranged at the bottom of the feeding box; the motor is fixedly connected to the inner wall of the control box, the front side of the output shaft of the motor is fixedly connected with a rotating disc, the front side of the rotating disc is fixedly connected with a rotating rod, and the rotating rod is located on the outer circumference of the rotating disc.
[0016] The first end of the limiting rod is provided with a limiting opening, and the outer wall of the limiting rod is slidably connected with the inner wall of the limiting opening.
[0017] The bottom of the control box is provided with a sliding rail, the sliding rail is provided with a sliding plate, and the second end of the limiting rod is connected with the sliding plate.
[0018] The two racks are oppositely arranged at the middle part of the limiting rod, and the plurality of gears are uniformly distributed on both sides of the limiting rod, and the gears and the racks are meshed with each other.
[0019] The gears are connected with the control box through rotating rods, and one end of each rotating rod extends out of the control box and is connected with a beating hammer.
[0020] Further, the first vibration mechanism and the second vibration mechanism are similar in structure.
[0021] Further, the guide channel comprises a square frame and a plurality of partition plates.
[0022] The square frame is arranged at the bottom of the detection mechanism, the plurality of partition plates are uniformly distributed along the width direction of the square frame, and the side of the partition plate away from the detection mechanism abuts against the black conveyor belt.
[0023] Further, the spacing of the partition plates matches the size of the to-be-tested rice grain sample.
[0024] Further, the detection mechanism comprises a dark box, a thermal infrared camera, an RGB camera, an LED light source and a processor.
[0025] The dark box is located on the rack and above the rear end of the black conveyor belt, the LED light source, the thermal infrared camera and the RGB camera are located in the dark box and connected with the processor respectively; and the square frame is arranged at the bottom of the dark box.
[0026] Further, the size of the square frame matches the size of the dark box.
[0027] Beneficial effects:
[0028] The device for measuring the rice setting rate of the utility model can measure the rice setting rate without manual visual recognition counting, and excludes the influence of human factors; the guiding channel is arranged, the rice grain samples to be measured can be sequentially passed in, and the efficiency, accuracy and automation degree of the rice setting rate measurement can be improved. BRIEF DESCRIPTION OF DRAWINGS
[0029] Figure 1 is a structural schematic view of a device for quickly measuring the rice setting rate of the utility model;
[0030] Figure 2 is a structural schematic view of a feeding tray of the utility model;
[0031] Figure 3 is a structural schematic view of a first vibration mechanism of the utility model;
[0032] Figure 4 is a structural schematic view of a guiding channel of the utility model;
[0033] Among them, 1, rack; 2, black conveyor belt; 21, square frame; 22, partition; 3, first vibration mechanism; 31, turntable; 32, rotating rod; 33, gear; 34, limiting rod; 35, sliding plate; 36, sliding rail; 37, rack; 4, feeding box; 41, feeding tray; 42, second vibration mechanism; 5, dark box; 51, RGB camera; 52, thermal infrared camera; 53, processor; 54, LED light source. DETAILED DESCRIPTION
[0034] Example 1
[0035] Reference Figures 1-4 A device for quickly measuring the rice setting rate, comprising:
[0036] Rack 1;
[0037] Black conveyor belt 2, the black conveyor belt 2 is arranged in the rack 1;
[0038] Feeding box 4, the feeding box 4 is arranged at the inner top of the rack 1 and located at the starting end of the black conveyor belt 2, used for heating the rice grain samples to be measured to a preset temperature and then falling on the black conveyor belt 2;
[0039] The first vibrating mechanism 3 is arranged on the black conveying belt 2 and is used for vibrating the to-be-tested rice seed sample on the black conveying belt 2 to be laid flat on the black conveying belt 2;
[0040] The detection mechanism is arranged on the inner top of the rack 1 and is located at the terminal end of the black conveying belt 2 and is used for detecting the to-be-tested rice seed sample on the black conveying belt 2;
[0041] The guide channel is located at the bottom of the detection mechanism and is in abutment with the black conveying belt 2 and is used for guiding the to-be-tested rice seed sample.
[0042] In the embodiment, the terminal end of the black conveying belt 2 is provided with a sample collecting box and is used for collecting the tested rice seed sample.
[0043] Preferably, the bottom of the feeding box 4 is provided with a feeding disc 41, the feeding disc 41 is provided with a second vibrating mechanism 42 for vibrating the to-be-tested rice seed sample to the black conveying belt, the second vibrating mechanism 42 is located directly below the feeding disc 41 and is in abutment with the feeding disc 41.
[0044] In the embodiment, the bottom of the feeding box is provided with a feeding port, the feeding port is provided with a solenoid valve; wherein, the feeding disc is arranged at the feeding port and is located directly above the solenoid valve.
[0045] Preferably, the feeding disc 41 is provided with a plurality of sample heating ports, the plurality of sample heating ports are uniformly distributed on the end face of the feeding disc 41; the sample heating port is provided with a heating element.
[0046] In the embodiment, the heating element can be an electric heating plate, an electric heating wire or the like.
[0047] Preferably, the first vibrating mechanism 3 comprises a control box, a motor, a limiting rod 34, a plurality of gears 33 and two racks 37;
[0048] The control box is arranged at the bottom of the feeding box; the motor is fixedly connected to the inner wall of the control box, the front side of the output shaft of the motor is fixedly connected with a rotating disc 31, the front side of the rotating disc 31 is fixedly connected with a rotating rod 32, the rotating rod 32 is located on the outer circumference of the rotating disc 31;
[0049] The first end of the limiting rod 34 is provided with a limiting port, the outer wall of the limiting rod 34 is in sliding connection with the inner wall of the limiting port;
[0050] The bottom of the control box is provided with a sliding rail 36, the sliding rail 36 is provided with a sliding plate 35, the second end of the limiting rod 34 is connected with the sliding plate 35;
[0051] Two racks 37 are oppositely arranged at the middle part of the limiting rod 34, and a plurality of gears 33 are uniformly distributed on both sides of the limiting rod 34, and the gears 33 are meshed with the racks 37;
[0052] The gear 33 is connected with the control box through a rotating rod, one end of the rotating rod extends out of the control box and is connected with the hitting hammer.
[0053] In the actual use, the motor is started to drive the rotating disc to rotate, and the rotating disc can drive the rotating rod to rotate when the rotating disc rotates. The rotating rod reciprocates in the limiting opening of the limiting rod, and the limiting rod can drive the sliding plate to reciprocate along the sliding rail, so that the sliding plate 11 moves stably transversely. The sliding plate transversely moves to drive the rack to move transversely, and the rack transversely moves to drive the meshed gear to rotate. The gear rotates to drive the rotating rod to rotate, and the hitting hammer rotates to contact the bottom of the black conveyor belt. The hitting hammer hits the black conveyor belt to make the black conveyor belt vibrate, so that the rice grain sample to be analyzed and measured can be laid flat on the black conveyor belt.
[0054] Preferably, the first vibration mechanism 3 and the second vibration mechanism 42 are similar in structure.
[0055] Preferably, the guide channel comprises a square frame 21 and a plurality of partitions 22.
[0056] The square frame 21 is arranged at the bottom of the detection mechanism, and the plurality of partitions 22 are uniformly distributed along the width direction of the square frame 21. The side of the partition 22 away from the detection mechanism abuts against the black conveyor belt 2.
[0057] Preferably, the spacing of the partition 22 matches the size of the rice grain sample to be measured.
[0058] Preferably, the detection mechanism comprises a dark box 5, a thermal infrared camera 52, an RGB camera 51, an LED light source 54 and a processor 53.
[0059] The dark box 5 is located on the rack 1 and above the rear end of the black conveyor belt 2. The LED light source 54, the thermal infrared camera 52 and the RGB camera 51 are located in the dark box 5 and are respectively connected with the processor 53. The square frame 21 is arranged at the bottom of the dark box 5.
[0060] Preferably, the size of the square frame 21 matches the size of the dark box 5.
[0061] Working principle: The rice grain sample to be analyzed is placed into the feed box. The feed tray is equipped with multiple sample heating ports. Each sample heating port is a through hole, consisting of a conical hole and a cylindrical hole. The largest end of the conical hole faces outward, and a heating wire is built into the inner wall of the cylindrical hole to rapidly heat the rice grain sample to be analyzed. The solenoid valve is opened, and the second vibration mechanism is started. The hammer of the second vibration mechanism strikes the feed tray, causing the rice grain sample to be analyzed to fall onto the black conveyor belt.
[0062] The black conveyor belt and the second vibration mechanism are activated. The hammer of the second vibration mechanism strikes the black conveyor belt to generate vibration, ensuring that the rice grain sample to be analyzed and measured can be laid flat on the black conveyor belt. The rice grain sample to be analyzed and measured enters the guide channel for diversion, and the detection mechanism detects it. When the black conveyor belt transports the rice grain sample to be tested into the guide channel and it is located below the dark box, LED light source provides illumination. Thermal infrared camera and RGB camera respectively collect thermal infrared image and RGB image of the rice grain sample to be tested and send them to the processor. The processor processes the thermal infrared image and RGB image to calculate the grain filling rate of the rice grain sample to be tested.
[0063] After the test is completed, the black conveyor belt collects the rice grain samples into the sample collection box.
[0064] The above description is merely a preferred embodiment of the present utility model and does not constitute any limitation on the technical scope of the present utility model. Therefore, any minor modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall still fall within the scope of the technical solution of the present utility model.
Claims
1. A device for rapidly determining the seed setting rate of rice, characterized in that, The utility model relates to a kind of water rice grain sample detection device, including: Rack; Black conveyer belt, the black conveyer belt is arranged in the rack; Feed box, the feed box is arranged in the inner top of the rack, and is located at the starting end of the black conveyer belt, for the water rice grain sample to be measured to be heated to preset temperature and then fall on the black conveyer belt; First vibrating mechanism, the first vibrating mechanism is arranged on the black conveyer belt, for the water rice grain sample to be measured on the black conveyer belt is paved on the black conveyer belt by vibration; Detection mechanism, the detection mechanism is arranged in the inner top of the rack, and is located at the terminal end of the black conveyer belt, for the water rice grain sample to be measured on the black conveyer belt; Guide channel, the guide channel is located at the bottom of the detection mechanism and is abutted with the black conveyer belt, for the water rice grain sample to be measured is guided.
2. The device for rapidly determining the seed setting rate of rice according to claim 1, wherein, The bottom of the feed box is provided with a feed tray, and the feed tray is provided with a second vibrating mechanism for vibrating the water rice grain sample to be measured to the black conveyer belt, and the second vibrating mechanism is located directly below the feed tray and is abutted with the feed tray.
3. The device for rapidly determining the seed setting rate of rice according to claim 2, wherein, A plurality of sample heating ports are provided on the feed tray, and the plurality of sample heating ports are uniformly distributed on the end face of the feed tray.
4. The device for rapidly determining the seed setting rate of rice according to claim 2, wherein, The first vibrating mechanism includes a control box, a motor, a limiting rod, a plurality of gears and two racks. The control box is arranged at the bottom of the feed box. The output shaft of the motor is fixedly connected with a rotating disc at the front side. The first end of the limiting rod is provided with a limiting opening. The outer wall of the limiting rod is slidably connected with the inner wall of the limiting opening. The bottom of the control box is provided with a sliding rail.
5. The device for rapidly determining the seed setting rate of rice according to claim 4, wherein, The second end of the limiting rod is connected with the sliding plate.
6. The device for rapidly determining the seed setting rate of rice according to claim 5, wherein, The two racks are oppositely arranged at the middle part of the limiting rod. The plurality of gears are uniformly distributed on both sides of the limiting rod and are meshed with the racks.
7. The device for rapidly determining the seed setting rate of rice according to claim 6, wherein, The gears are connected with the control box through rotating rods.
8. The device for rapidly determining the seed setting rate of rice according to claim 6, wherein, The first vibrating mechanism and the second vibrating mechanism are similar in structure. The guide channel includes a square frame and a plurality of partitions.
9. The device for rapidly determining the seed setting rate of rice according to claim 8, wherein, The square frame is arranged at the bottom of the detection mechanism. The partitions are uniformly distributed along the width direction of the square frame. The partitions are abutted with the black conveyer belt away from the detection mechanism. The partitions are matched with the size of the water rice grain sample to be measured. The detection mechanism includes a dark box, a thermal infrared camera, an RGB camera, an LED light source and a processor. The dark box is located above the rear end of the black conveyer belt in the rack. The square frame is matched with the size of the dark box.