Seed counting or germination rate measuring device

Abstract

The utility model discloses a seed counting or germination rate measuring device which comprises a culture dish, a partition plate, a distance detection plate, a data processor and a partition plate fixing ring, a plurality of seed fixing holes are distributed in the partition plate, seeds to be germinated are vertically placed in the seed fixing holes, and the edge of the circular partition plate is fixed on the inner wall of the partition plate fixing ring. The partition plate fixing ring is detachably connected with the culture dish, a plurality of distance detectors are arranged on the distance detection plate, the distance detectors are just arranged right above the corresponding seed fixing holes during testing, and the data processor is connected with any distance detector. The distance detectors are used for measuring distances D1 and D2 between the upper parts of the seeds and the distance detection plate before and after seed germination and sending the distances and corresponding distance detector codes to the data processor, and the data processor counts the seeds on the partition plate and calculates the germination rate based on the distances D1 and D2. The partition plate and the distance detection plate are matched with each other, so that the germination rate is accurately measured.

Description

Technical field:

[0001] The utility model belongs to the technical field of seed breeding, and in particular relates to a device for accurately counting seeds or measuring germination rates. Background technology:

[0002] Whether it's grain crops like wheat and rice or cash crops, good seeds are the foundation for normal crop growth. Seeds are small, and traditional seed germination experiments involve manual placement of seeds using tweezers or manual counting of seeds during germination rate calculations. This method is suitable for small seed quantities. Batch testing is time-consuming and labor-intensive, and has low accuracy. Alternatively, using a fixed counting plate, varying seed sizes or the presence of damaged seeds can result in two or more seeds being accommodated in a single counting hole, affecting the accuracy of the count or germination rate. Therefore, researchers are dedicated to developing rapid seed counting and germination rate determination methods. For example, invention patent CN116420465A discloses a machine vision-based seed germination rate determination method, system, and apparatus. This method proposes using image processing to segment binary images for germination statistics, but the statistical process is complex and technically demanding. Invention patent CN115918321B discloses a large-scale seed cultivation and quality inspection device and method. While addressing the entire large-scale breeding process, it only discusses seed image acquisition and does not clearly describe a germination rate statistical method. Therefore, existing counters or germination rate measuring devices have brought troubles to related scientific research. The utility model designs a device for accurately counting seeds and measuring germination rates, which can save manpower and time costs while implementing seed germination experiments more economically and efficiently. Utility model content:

[0003] The purpose of the utility model is to seek to design a device for accurately counting seeds or measuring germination rates, so as to solve the problem that the calculation of germination rates in the traditional seed germination process is time-consuming and labor-intensive, and the technology currently used needs to be based on complex graphics processing algorithms.

[0004] In order to achieve the above-mentioned purpose, the seed counting or germination rate measuring device involved in the present invention includes a culture dish, a partition, a distance detection plate, a data processor and a partition fixing ring. A plurality of seed fixing holes are arranged on the partition, each seed fixing hole corresponds to a number, the diameter of the seed fixing hole is between the diameter of the tip of the seed to be germinated and the diameter of the expanded part, the seed to be germinated is vertically placed in the seed fixing hole, the edge of the circular partition is fixed on the inner wall of the partition fixing ring, the lower opening of the partition fixing ring is detachably connected to the upper opening of the culture dish, a plurality of distance detectors are arranged on the distance detection plate, and any distance detector is The device is provided with a code. During the test, the distance detection plate is placed directly above the partition. The seed fixing hole number corresponds one-to-one with the code of the distance detector and the distance detector is placed just above the corresponding seed fixing hole. The data processor is connected to any distance detector. The distance detector is used to measure the distance D1 between the upper part of the seed and the distance detection plate before the seed germination, and the distance D2 between the upper part of the seed and the distance detection plate after the seed germination, and sends the distance and the corresponding distance detector code to the data processor. The data processor counts the seeds on the partition and calculates the germination rate based on the distances D1 and D2.

[0005] The seed counting or germination rate measuring device also includes a seed attractor, which includes an outer shell, a fan, a fan cover, a partition net and a handle. The front end of the barrel-shaped outer shell is open, and the rear end face is provided with an air outlet. The fan is installed in the outer shell cavity and the air outlet at the rear end of the fan is close to the air outlet. The fan cover is arranged at the front end of the fan, and the outer wall of the air inlet of the fan is sealed with the inner wall at the rear end of the fan cover. Ventilation holes are evenly distributed on the front end face of the fan cover. A partition net is fixed between the front end of the fan cover and the outer shell opening. The lower opening of the partition fixing ring is detachably connected to the front end opening of the outer shell. The mesh of the partition net is smaller than the aperture of the seed fixing hole. The gap between the seed fixing holes of the partition is provided with small ventilation holes, and the diameter of the small holes is much smaller than the diameter of the seed fixing holes.

[0006] In order to remove the dried and damaged seeds from the seeds to be germinated, as an implementation method, a vibrator is installed on the annular outer wall of the partition fixing ring 10.

[0007] As another implementation method, the seed attractor also includes a screen and a screen fixing ring. The lower opening of the screen fixing ring is detachably connected to the front end opening of the shell, and the aperture of the screen is smaller than the aperture of the seed fixing hole.

[0008] Compared with the existing technology, the present invention has the following beneficial effects: (1) The partition and the distance detection plate cooperate with each other to achieve accurate determination of the germination rate; (2) The seed attractor can realize automatic placement of seeds without manual placement, saving time and effort; (3) The structure is simple and the method of use is easy to understand and master; (4) The partition can be quickly and stably transferred between the seed attractor and the culture dish by moving the partition fixing ring, avoiding the displacement of seeds when the partition is directly taken and placed. (5) The partition can be embedded with a light strip according to needs to sterilize seeds before germination or provide light for seed germination. (6) Compared with the traditional counting plate, the device adopts the method of first screening, then attracting and then counting. The defective or underdeveloped seeds are first screened. The normal seeds are matched with the appropriate diameter of the partition holes. The attraction process effectively ensures that there is only a single seed in each hole on the partition, greatly improving the counting accuracy and avoiding counting errors caused by overlapping wheat seeds. (7) In order to completely eliminate the deviation in counting caused by the cross-overlapping of incomplete or underdeveloped wheat seeds, a vibrator is added to the partition to ensure that all embedded seeds can exist independently on the small holes of the partition. Description of the drawings:

[0009] Figure 1 Schematic diagram of the structure of the seed germination rate measuring device involved in Example 1.

[0010] Figure 2 This is a schematic diagram of the distance detection board structure involved in Example 1.

[0011] Figure 3 This is a schematic diagram of the seed attractor structure involved in Example 1.

[0012] Figure 4 Schematic diagram of the structure of the seed germination rate measuring device involved in Example 2.

[0013] Figure 5 This is a schematic diagram of the seed attractor structure involved in Example 2. Specific implementation method:

[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0015] Example 1

[0016] like Figure 1-2As shown, a seed counting or germination rate determination device involved in this embodiment includes a culture dish 1, a partition 2, a distance detection plate 3, a data processor 4 and a partition fixing ring 10, a plurality of seed fixing holes 201 are arranged on the partition 2, each seed fixing hole 201 corresponds to a number, the diameter of the seed fixing hole 201 is between the diameter of the tip of the seed to be germinated and the diameter of the swollen part, the seed to be germinated is vertically placed in the seed fixing hole 201, the edge of the circular partition 2 is fixed on the inner wall of the partition fixing ring 10, the lower opening of the partition fixing ring 10 is detachably connected to the upper opening of the culture dish 1 (such as threaded connection, snap connection), a plurality of distance detectors 301 are arranged on the distance detection plate 3, any distance detector There is a code inside the device 301. During the test, the distance detection plate 3 is placed directly above the partition 2. The number of the seed fixing hole 201 corresponds one-to-one to the code of the distance detector 301, and the distance detector 301 is placed just above the corresponding seed fixing hole 201. The data processor 4 is connected to any distance detector 301. The distance detector 301 is used to measure the distance D1 between the upper part of the seed and the distance detection plate 3 before the seed germinates, and the distance D2 between the upper part of the seed and the distance detection plate 3 after the seed germinates, and sends the distance and the corresponding distance detector 301 code to the data processor 4. The data processor 4 counts the seeds on the partition and calculates the germination rate based on the distances D1 and D2.

[0017] like Figure 3 As shown, the present embodiment involves a seed counting or germination rate determination device, which also includes a seed attractor. The seed attractor includes a shell 5, a fan 6, a fan cover 7, a partition 8 and a handle 9. The front end of the barrel-shaped shell 5 is open, and the rear end face is provided with an air outlet 501. The fan 6 is installed in the cavity of the shell 5 and the air outlet 602 at the rear end of the fan 6 is close to the air outlet 501. The fan cover 7 is arranged at the front end of the fan 6, and the outer wall of the air inlet 601 of the fan 6 is sealed with the inner wall of the rear end of the fan cover 7. The ventilation holes 701 are evenly distributed on the front end face of the fan cover 7. The partition 8 is fixed between the front end of the fan cover 7 and the opening of the shell 5. The lower opening of the partition fixing ring 10 is detachably connected to the front end opening of the shell 5 (such as threaded connection, snap connection), the mesh of the partition 8 is smaller than the aperture of the seed fixing hole 201, and the gap between the seed fixing holes 201 of the partition 2 is provided with a ventilation hole, and the diameter of the small hole is much smaller than the diameter of the seed fixing hole 201. The seed aspirator can automatically discharge seeds into the seed fixing holes of the partition, improving seed placement efficiency. In addition, the partition 2 is mounted on the partition fixing ring 10. By moving the partition fixing ring 10, the partition 2 can be switched between the seed aspirator and the culture dish, avoiding the displacement of seeds when the partition 2 is directly removed and placed. At the same time, removing the partition fixing ring 10 also makes it convenient to pour out dust or damaged or underdeveloped seeds on the outside of the partition.

[0018] To facilitate installation, the inner diameters of the partition fixing ring, the culture dish and the opening of the housing 5 are all the same.

[0019] Due to different seed sizes or damaged seeds, two or more seeds may be contained in one seed fixing hole. As a way to achieve this, a vibrator 11 is installed on the annular outer wall of the partition fixing ring 10 to vibrate the shriveled and damaged seeds out of the seed fixing hole. Of course, the seeds used in this embodiment can also be pre-screened seeds with uniform size and full grains.

[0020] Specifically, a germination matrix, such as gauze, filter paper or other new materials in solid form, is placed at the bottom of the culture dish 1, and the partition 2 is placed on the germination matrix.

[0021] The seeds are oval or round in shape, with different diameters at the head, middle and tail, and smooth surfaces, such as wheat seeds, sunflower seeds, etc. Different sizes of seeds correspond to different types of partitions. The diameter of the seed fixing hole 201 is between the diameter of the seed tip and the diameter of the seed bulge. When placed, the seeds are fixed in a vertical state in the fixing hole 201. The size and cross-section of the seed fixing hole are designed according to the seeds that need to be germinated. The seed fixing hole can be circular or oval, etc. A variety of partitions are designed according to the number and density of the seed fixing holes 2 to meet different experimental needs.

[0022] Specifically, N seed fixing holes 201 are provided on the partition 2, and the seed fixing holes 201 are numbered K001, K002, K003...K00N respectively; correspondingly, N distance detectors 301 are installed on the distance detection plate 3, and the codes of the distance detectors 301 are Q001, Q002, Q003...Q00N respectively. During measurement, the distance detector Q00i is placed just above the seed fixing hole K00i, and is used to detect the distance between the seed head in the seed fixing hole K00i and the distance detection plate 3, and i is a positive integer from 0 to N.

[0023] Preferably, the partition plate 2 is provided with N seed fixing holes 201 arranged in an array of X rows and Y columns, and the seed fixing holes 201 are numbered K011, K012, K013...K01Y, K021, K022, K023...K02Y,..., K0X1, K0X2, K0X3...K0XY; correspondingly, the distance detection plate 3 is provided with N distance detectors 301 arranged in an array of X rows and Y columns, and the coding of the distance detector 301 is They are Q011, Q012, Q013, ..., Q01Y, Q021, Q022, Q023, ..., Q02Y, ..., Q0X1, Q0X2, Q0X3, ..., Q0XY. Distance detector Q0xy is placed directly above seed fixing hole K0xy, where x is a positive integer from 1 to X, and y is a positive integer from 1 to Y. That is, the number of seed fixing hole 201 and the code of distance detector 301 contain specific information about the row and column to which they belong. This information can accurately determine the location of ungerminated seeds and the location of the faulty distance detector 301.

[0024] The specific method of using the seed counting or germination rate measuring device involved in this embodiment includes the following steps:

[0025] (1) The seeds are laid flat in the container, and the partition fixing ring 10 is installed at the front opening of the shell 5. The partition fixing ring 10 is placed horizontally with the opening facing downward and aligned with the seeds. The fan 6 is started to form a negative pressure in the fan cover 7. The seeds enter the partition fixing ring 10 along with the air. Since the diameter of the seed fixing hole in the partition 2 is between the diameter of the seed tip and the diameter of the seed bulge, the seeds are vertically stuck in the seed fixing hole;

[0026] (2) The fan 6 is opened upward, the fan 6 is turned off, and the vibrator is turned on. The seeds are arranged regularly on the partition through vibration, and the smaller or broken seeds and other abnormal seeds fall off, ensuring that the seed fixing holes are filled with full and uniform seeds;

[0027] (3) Repeat steps (1)-(2) until the seed fixing holes 201 on the partition 2 are filled or nearly filled. During the experiment, it was found that most seeds can be arranged in a vertical state smoothly. For individual seed fixing holes with problems, manual adjustments are made as needed;

[0028] (4) Finally, with the open end of the seed attractor facing upward and placed horizontally, the partition fixing ring is removed from the fan 6 and transferred to the upper part of the culture dish 1. The distance detector 301 and the data processor 4 are turned on. The distance detector 301 measures the distance D1 between the upper part of the seed and the distance detection plate 3 before the seed germination, and the distance D2 between the upper part of the seed and the distance detection plate 3 after the seed germination, and sends the distance and the corresponding distance detector 301 code to the data processor 4.

[0029] (5) The data processor 4 sequentially calculates the distance difference d=D1-D2 twice between the distance detectors 301 with the same code. If the difference falls within the set range, it is determined that the seed has germinated. Otherwise, it is determined that the seed has not germinated, and then the seed germination rate is calculated. If the distance D1 falls within the set range, it is determined that the corresponding seed fixing hole 201 is fixed with a seed. Otherwise, the corresponding seed fixing hole 201 is not filled with a seed, and then the number of seeds arranged on the partition 2 is counted.

[0030] Example 2

[0031] like Figure 4 As shown, a seed counting or germination rate determination device involved in this embodiment includes a culture dish 1, a partition 2, a distance detection plate 3, a data processor 4 and a partition fixing ring 10, a plurality of seed fixing holes 201 are arranged on the partition 2, each seed fixing hole 201 corresponds to a number, the diameter of the seed fixing hole 201 is between the diameter of the seed tip and the diameter of the seed bulge, the seed is vertically placed in the seed fixing hole 201, the partition 2 is installed in the partition fixing ring 10, the lower opening of the partition fixing ring 10 is detachably connected to the upper opening of the culture dish 1 (such as threaded connection, snap connection), a plurality of distance detectors 301 are arranged on the distance detection plate 3, and any distance detector 301 is connected to the upper opening of the culture dish 1. The distance detector 301 is provided with a code. During the test, the distance detection plate 3 is placed directly above the partition 2. The number of the seed fixing hole 201 corresponds to the code of the distance detector 301 one by one, and the distance detector 301 is placed just above the corresponding seed fixing hole 201. The data processor 4 is connected to any distance detector 301. The distance detector 301 is used to measure the distance D1 between the upper part of the seed and the distance detection plate 3 before the seed germination, and the distance D2 between the upper part of the seed and the distance detection plate 3 after the seed germination, and sends the distance and the corresponding distance detector 301 code to the data processor 4. The data processor 4 counts the seeds on the partition and calculates the germination rate based on the distances D1 and D2.

[0032] like Figure 5As shown, a seed counting or germination rate determination device involved in this embodiment also includes a seed attractor, which includes a shell 5, a fan 6, a fan cover 7, a partition 8, a handle 9, a screen 13 and a screen fixing ring 12. The front end of the barrel-shaped shell 5 is open, and the rear end surface is provided with an air outlet 501. The fan 6 is installed in the cavity of the shell 5 and the air outlet 602 at the rear end of the fan 6 is close to the air outlet 501. The fan cover 7 is arranged at the front end of the fan 6, and the outer wall of the air inlet 601 of the fan 6 is sealed with the inner wall of the rear end of the fan cover 7. The ventilation holes 701 are evenly distributed on the front end surface of the fan cover 7. The front end of the fan cover 7 and the shell 5, a partition net 8 is fixed between the openings, the lower opening of the partition fixing ring 10 is detachably connected to the front end opening of the shell 5 (such as threaded connection, snap connection), the mesh of the partition net 8 is smaller than the aperture of the seed fixing hole 201 on the partition 2, and the gap between the seed fixing holes 201 of the partition 2 is provided with a ventilation hole, the diameter of the small hole is much smaller than the diameter of the seed fixing hole 201, the edge of the circular screen 13 is fixed on the inner wall of the screen fixing ring 12, the lower opening of the screen fixing ring 12 is detachably connected to the front end opening of the shell 5 (such as threaded connection, snap connection), and the aperture of the screen 13 is smaller than the aperture of the seed fixing hole 201.

[0033] The specific method of using the seed counting or germination rate measuring device involved in this embodiment includes the following steps:

[0034] (1) The seeds are laid flat in the container, the lower opening of the screen fixing ring 12 is installed on the front opening of the shell 5, the fan 6 is placed horizontally with the opening facing downward and aimed at the seeds, the fan 6 is started, and a negative pressure is formed in the fan cover 7. The seeds enter the screen fixing ring 12 with the air. Since the aperture of the screen is smaller than the aperture of the seed fixing hole 201, the irregular seeds are sucked into the space between the screen fixing ring 12 and the partition 8. The screen fixing ring 12 is removed and the sucked seeds are poured out;

[0035] (2) The partition fixing ring 10 is installed at the front opening of the housing 5. The partition fixing ring 10 is placed horizontally with the opening facing downward and aligned with the seeds. The fan 6 is started to form a negative pressure in the fan cover 7. The seeds enter the partition fixing ring 10 along with the air. Since the diameter of the seed fixing hole in the partition 2 is between the diameter of the seed tip and the diameter of the seed bulge, the seeds are vertically stuck in the seed fixing hole until the seed fixing hole 201 on the partition 2 is filled or nearly filled.

[0036] (3) Finally, with the open end of the seed attractor facing upward and placed horizontally, the partition fixing ring is removed from the fan 6 and transferred to the upper part of the culture dish 1. The distance detector 301 and the data processor 4 are turned on. The distance detector 301 measures the distance D1 between the upper part of the seed and the distance detection plate 3 before the seed germination, and the distance D2 between the upper part of the seed and the distance detection plate 3 after the seed germination, and sends the distance and the corresponding distance detector 301 code to the data processor 4.

[0037] (4) The data processor 4 sequentially calculates the distance difference d=D1-D2 twice between the distance detectors 301 with the same code. If the difference falls within the set range, it is determined that the seed has germinated. Otherwise, it is determined that the seed has not germinated, and then the seed germination rate is calculated. If the distance D1 falls within the set range, it is determined that the corresponding seed fixing hole 201 is fixed with a seed. Otherwise, the corresponding seed fixing hole 201 is not filled with a seed, and then the number of seeds arranged on the partition 2 is counted.

Claims

1. A seed counting or germination rate measuring device, characterized in that: The device comprises a culture dish, a partition, a distance detection plate, a data processor and a partition fixing ring. The partition is provided with a plurality of seed fixing holes, each of which corresponds to a number. The diameter of the seed fixing hole is between the diameter of the tip of the seed to be germinated and the diameter of the expanded part. The seed to be germinated is placed vertically in the seed fixing hole. The edge of the circular partition is fixed to the inner wall of the partition fixing ring. The lower opening of the partition fixing ring is detachably connected to the upper opening of the culture dish. The distance detection plate is provided with a plurality of distance detectors, each of which has a code inside. During testing, the distance detection plate is placed directly above the partition, the seed fixing hole numbers correspond to the distance detector codes one by one, and the distance detector is placed exactly above the corresponding seed fixing hole. The data processor is connected to any distance detector. The distance detector is used to measure the distance D1 between the upper part of the seed and the distance detection plate before seed germination, and the distance D2 between the upper part of the seed and the distance detection plate after seed germination, and sends the distance and the corresponding distance detector code to the data processor. The data processor counts the seeds on the partition and calculates the germination rate based on the distances D1 and D2.

2. The seed counting or germination rate measuring device according to claim 1, characterized in that: The seed counting or germination rate measuring device also includes a seed attractor, which includes an outer shell, a fan, a fan cover, a partition net and a handle. The front end of the barrel-shaped outer shell is open, and the rear end face is provided with an air outlet. The fan is installed in the outer shell cavity and the air outlet at the rear end of the fan is close to the air outlet. The fan cover is arranged at the front end of the fan, and the outer wall of the air inlet of the fan is sealed with the inner wall at the rear end of the fan cover. Ventilation holes are evenly distributed on the front end face of the fan cover. A partition net is fixed between the front end of the fan cover and the outer shell opening. The lower opening of the partition fixing ring is detachably connected to the front end opening of the outer shell. The mesh of the partition net is smaller than the aperture of the seed fixing hole. The gap between the seed fixing holes of the partition is provided with small ventilation holes, and the diameter of the small holes is much smaller than the diameter of the seed fixing holes.

3. The seed counting or germination rate measuring device according to claim 2, characterized in that: A vibrator is installed on the annular outer wall of the partition fixing ring 10.

4. The seed counting or germination rate measuring device according to claim 2, characterized in that: The seed attractor further comprises a screen and a screen fixing ring. The lower opening of the screen fixing ring is detachably connected to the front opening of the shell. The aperture of the screen is smaller than the aperture of the seed fixing hole.

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