A device for detecting reseeding and missed sowing of Codonopsis pilosula

Abstract

This utility model discloses a device for detecting reseeding and missed sowing of Codonopsis pilosula, including a seeder mounted above a conveying mechanism. The conveying mechanism includes a frame with a mounting bracket connected to it. The seeder is driven by a servo motor. A detection mechanism is located below the seed outlet of the seeder. The detection mechanism includes a housing containing light curtain sensors. The housing has openings at both ends, and the light curtain sensors are spaced vertically. Guide plates are inclined between adjacent light curtain sensors. In this utility model, the support frame and mounting holes allow the conveying mechanism to move, making it more flexible and convenient to use. The detection mechanism separates seeds that were originally on the same horizontal plane, creating a time difference. This, combined with the next light curtain sensor, allows for continued reseeding detection. Compared to existing technologies, this improves detection accuracy and practicality.

Description

Technical Field

[0001] This utility model relates to the field of Codonopsis pilosula sowing technology, and in particular to a device for detecting Codonopsis pilosula reseeding or missed sowing. Background Technology

[0002] Codonopsis pilosula can be sown using a seed drill, but during use, there are instances of double-seeding and missed seeding. An existing patent (publication number: CN209745575U) discloses an automatic detection device for missed seeding in seed drills. This invention uses a proximity switch and a light curtain sensor, along with a microcontroller in the control box, to achieve accurate and stable detection, thereby determining whether the seed drill is qualified before leaving the factory. However, in practical applications, when two or more seeds are discharged simultaneously, the seeds may be on the same horizontal plane, causing the light curtain sensor to only detect one seed, reducing detection accuracy. Therefore, we propose a double-seeding and missed seeding detection device for Codonopsis pilosula. Utility Model Content

[0003] To address the aforementioned problems, this invention provides a device for detecting reseeding or missed sowing of Codonopsis pilosula.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A device for detecting overseeding and underseeding of Codonopsis pilosula is designed, comprising a seeder installed above a conveying mechanism. The conveying mechanism includes a frame with a mounting bracket connected to it. The seeder is driven by a servo motor. A detection mechanism is provided below the seeding port of the seeder. The detection mechanism includes a housing containing light curtain sensors. The housing has openings at both the top and bottom. The light curtain sensors are spaced apart vertically, and guide plates are inclined between adjacent light curtain sensors.

[0006] In the above scheme, a servo motor is installed on the frame.

[0007] In the above scheme, the seeding machine is connected to the mounting frame via a drive shaft, and the drive shaft is connected to a servo motor.

[0008] In the above scheme, assembly plates that are connected to the mounting bracket are fixed on both sides of the box body.

[0009] In the above scheme, the light curtain sensor includes a transmitter and a receiver respectively disposed on the inner walls of both sides of the box. At least three light curtain sensors are provided inside the box, and adjacent guide plates are tilted in opposite directions. A junction box is provided outside the box.

[0010] In the above scheme, mounting grooves are equidistantly provided on the upper surface of the guide plate, and guide rollers are provided in the mounting grooves. The two ends of the guide rollers are connected to the inner wall of the mounting grooves through rotating shafts.

[0011] In the above scheme, a support frame is fixed at the bottom of the frame, and the support frame has mounting holes.

[0012] The advantages and beneficial effects of this utility model are as follows: By setting a support frame and mounting holes, on the one hand, the support frame can be placed on a flat surface for direct application; on the other hand, the mounting holes allow the support frame to be connected to the movable base, giving the conveying mechanism mobility, making it more flexible and convenient to use. By setting a detection mechanism, the seeds fall from the seed outlet of the seed planter into the box, passing through the light curtain sensor and the guide plate. Seeds on the same horizontal plane pass between the transmitter and receiver simultaneously. The seeds continue to fall until they hit the guide plate and slide down along it, separating the seeds that were originally on the same horizontal plane, thus creating a time difference. This is then combined with the next light curtain sensor for reseeding detection. Compared with the existing technology, this improves the accuracy of detection and enhances practicality. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the structure of a device for detecting reseeding or missed sowing of Codonopsis pilosula proposed in this utility model;

[0015] Figure 2 This is a top view of the housing of a device for detecting reseeding or missed sowing of Codonopsis pilosula according to this utility model;

[0016] Figure 3 This is a side sectional view of the housing of a device for detecting reseeding or missed reseeding of Codonopsis pilosula proposed in this utility model.

[0017] In the diagram: 1. Conveying mechanism; 2. Servo motor 1; 3. Seeder; 4. Mounting frame; 5. Drive shaft; 6. Servo motor 2; 7. Detection mechanism; 71. Box; 72. Assembly plate; 73. Transmitter; 74. Guide plate; 75. Mounting groove; 76. Guide roller; 77. Rotating shaft; 78. Junction box; 79. Receiver; 8. Support frame; 9. Mounting hole. Detailed Implementation

[0018] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings and examples. The following examples are only used to more clearly illustrate the technical solution of this utility model and should not be construed as limiting the scope of protection of this utility model.

[0019] Please see Figure 1-3 This utility model provides a technical solution: a device for detecting overseeding and underseeding of Codonopsis pilosula, including a seeder 3 set above the conveying mechanism 1. The seeder 3 has been disclosed in the announcement number CN209745575U as an automatic detection device for underseeding of seed. The conveying mechanism 1 includes a frame, and a control box with a built-in control system is installed on the frame.

[0020] In more detail, a pair of conveyor rollers are connected inside the frame via a support shaft. The conveyor rollers are located at both ends of the frame. A sprocket is mounted on one of the support shafts at one end. A servo motor is mounted on the frame. A sprocket is coaxially mounted on the output shaft of the servo motor. A chain is connected between the sprocket and the sprocket, and a conveyor belt is connected between the conveyor rollers.

[0021] The frame is connected to the mounting bracket 4 by fasteners, and the seeding machine 3 is driven by servo motor 6;

[0022] Furthermore, the seeding machine 3 is connected to the mounting frame 4 via the drive shaft 5, and the drive shaft 5 is connected to the servo motor 6 via a transmission connection.

[0023] Specifically, a sprocket three is coaxially mounted on the drive shaft 5, a sprocket four is coaxially mounted on the output shaft of the servo motor two 6, and a chain two connects the sprocket three and the sprocket four.

[0024] The seeding machine has a detection mechanism 7 below the seed inlet of the third row. The detection mechanism 7 includes a box 71 with a light curtain sensor inside. The box 71 has openings at the top and bottom. The light curtain sensors are arranged at intervals. A guide plate 74 is inclined between adjacent light curtain sensors.

[0025] Furthermore, the box 71 has mounting plates 72 fixed on both sides that are connected to the mounting bracket 4; this facilitates the disassembly of the box 71 for subsequent maintenance.

[0026] Furthermore, the light curtain sensor includes a transmitter 73 and a receiver 79 respectively disposed on the inner walls of both sides of the housing 71. At least three light curtain sensors are provided inside the housing 71. Adjacent guide plates 74 are tilted in opposite directions. A cable management box 78 is provided outside the housing 71 to store cables and prevent them from getting tangled with the outside. When seeds pass through, they will block the receiver 79 from receiving infrared light. Data is transmitted after the missing sensor is detected. The actual number of seeds is obtained through the calculation and analysis of the control system.

[0027] Specifically, by setting up a detection mechanism 7, the seeds fall from the seed outlet of the seed planter 3 into the box 71, passing through the light curtain sensor and the guide plate 74. Seeds on the same horizontal plane pass between the transmitter 73 and the receiver 79 simultaneously. The seeds continue to fall until they hit the guide plate 74 and slide down along it, separating the seeds that were originally on the same horizontal plane. This creates a time difference, which is then used in conjunction with the next light curtain sensor to continue the reseeding detection. Compared with existing technologies, this improves the accuracy of detection and enhances practicality.

[0028] Furthermore, the upper surface of the guide plate 74 is provided with mounting grooves 75 at equal intervals, and a guide roller 76 is provided in the mounting groove 75. The two ends of the guide roller 76 are connected to the inner wall of the mounting groove 75 through the rotating shaft 77. The guide roller 76 is made of rubber. By using the movable guide roller 76, the friction between the seed and the guide plate 74 is reduced, the seed moves along the guide plate, and the smoothness of the movement is improved.

[0029] Furthermore, a support frame 8 is fixed at the bottom of the frame, and mounting holes 9 are provided on the support frame 8;

[0030] Specifically, by setting the support frame 8 and the mounting hole 9, on the one hand, the support frame 8 can be placed on a flat surface for direct application; on the other hand, the mounting hole 9 allows the support frame 8 to be connected to the movable base. The movable base includes a base with brake casters installed at the bottom. The base is connected to the mounting hole 9 by fasteners, giving the conveying mechanism 1 the ability to move, making it more flexible and convenient to use.

[0031] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A device for detecting overseeding and underseeding of Codonopsis pilosula, comprising a seeder (3) disposed above a conveying mechanism (1), characterized in that, The conveying mechanism (1) includes a frame, on which a mounting bracket (4) is connected. The seeding machine (3) is driven by a servo motor (6). A detection mechanism (7) is provided below the seeding port of the seeding machine (3). The detection mechanism (7) includes a box (71) containing a light curtain sensor. The box (71) has openings at both the top and bottom. The light curtain sensors are arranged at intervals, and a guide plate (74) is inclined between adjacent light curtain sensors.

2. The device for detecting reseeding or missed sowing of Codonopsis pilosula according to claim 1, characterized in that, The frame is equipped with a servo motor (2).

3. The device for detecting the heavy and light germination of Radix Pseudoginseng according to claim 1, characterized in that, The seeding machine (3) is connected to the mounting frame (4) via a drive shaft (5), and the drive shaft (5) is connected to the servo motor (6) via a transmission connection.

4. The device for detecting the heavy and light germination of Radix Pseudoginseng according to claim 1, characterized in that, The box body (71) has mounting plates (72) fixed on both sides, which are connected to the mounting bracket (4).

5. The device for detecting reseeding or missed sowing of Codonopsis pilosula according to claim 1, characterized in that, The light curtain sensor includes a transmitter (73) and a receiver (79) respectively disposed on the inner walls of both sides of the box (71). At least three light curtain sensors are provided inside the box (71). Adjacent guide plates (74) are tilted in opposite directions. A junction box (78) is provided outside the box (71).

6. The device for detecting reseeding or missed sowing of Codonopsis pilosula according to claim 1, characterized in that, The guide plate (74) has mounting grooves (75) evenly spaced on its upper surface. The mounting grooves (75) are provided with guide rollers (76), and the two ends of the guide rollers (76) are connected to the inner wall of the mounting grooves (75) through rotating shafts (77).

7. The device for detecting reseeding or missed sowing of *Codonopsis pilosula* according to claim 1, characterized in that, The bottom of the frame is fixed with a support frame (8), and the support frame (8) has mounting holes (9).

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