A seed resource processing and sorting system and method

Abstract

The application relates to a seed resource processing and sorting system and method, which comprises a processing mechanism for processing seeds based on a high-voltage electrostatic field, a sorting mechanism for sorting the processed seeds, and a control mechanism for controlling the working parameters of the processing mechanism and the sorting mechanism. The control mechanism can control the processing duration of the processing mechanism based on the specific properties of a seed layer in the processing mechanism, so that the seed layer is in an expected polarization degree. The control mechanism can determine the voltage size of the sorting mechanism for sorting the polarized seeds based on the electric field intensity in the seed layer in the expected polarization degree, so that the polarized seeds fall into a preset material receiving part according to their own polarization force size. The method controls the processing time based on the specific properties of the seeds by the system, avoids incomplete processing or over-processing of the seeds, and determines the sorting voltage according to the electric field intensity in the stable state, so that the expected sorting effect is achieved.

Description

Technical Field

[0001] This invention relates to the field of seed treatment technology, and in particular to a seed resource treatment and sorting system and method. Background Technology

[0002] Currently, when propagating seedlings from seeds, seeds undergo screening and pretreatment, directly and positively impacting their germination and growth. In recent years, technologies utilizing physical methods such as light, electricity, and magnetism for seed pretreatment have gained increasing attention and application. Electric field treatment of crop seeds is a commonly used pretreatment method. The advantages of electric field treatment include the absence of contamination from chemical mutagenesis (soaking seeds in chemical solutions), and the stimulation of seed enzymes by the electric field, thereby improving germination rate, germination potential, and disease and pest resistance. It also promotes root development and plant growth. Electric field treatment also disinfects and sterilizes plant seeds and seedbeds, improving plant quality. Many methods and devices for treating seeds using high-intensity electrostatic fields exist both domestically and internationally. The voltage of high-voltage electrostatic fields is at least on the order of kilovolts, typically measured in kV.

[0003] Existing technologies, such as the plant seedling propagation method and system proposed in patent document CN102326471A, involve maintaining suitable temperature and humidity in the seedbed and applying an electric field of 50-100 kV and a magnetic field of 500-4000 Gauss to the seeds in the seedbed for 10-60 minutes each. When the seedlings are 0-35 mm tall, an electric field of 25-50 kV and a magnetic field of 500-4000 Gauss are applied 1-5 times for 5-30 minutes each. Experiments have yielded suitable magnetoelectric field induction parameters for different plant seedlings. The system includes a heating belt at the bottom of the seedbed, with coils and metal mesh or plates within the substrate. Seeds are sown on the substrate, and another metal mesh or plate sits above the surface substrate. The metal mesh is connected to a DC power supply to generate an electric field, and the coils are connected to an AC power supply to generate a magnetic field. An intelligent control center is also included, where the central processor controls the magnetoelectric field strength and the temperature and humidity of the seedbed according to instructions from a host computer.

[0004] The prior art, such as the patent document with publication number CN113661802A, proposes a method for treating rice seeds using a combination of high-voltage electrostatic field and gibberellin. This method includes the following steps: (1) Pre-selection: The rice seeds after physical screening are spread out in a ventilated place at a temperature of 18℃~21℃ and dried for 24 hours. During this period, the seeds are turned over every 2.5h~3.5h until the surface of the rice seeds is dried. Then, they are placed in a dry and cool place to cool completely; (2) Soaking: The dried rice seeds are soaked in water for 3 minutes, and stirred thoroughly during this period. The unripe seeds floating on the water surface are removed; (3) Treatment of rice seeds with gibberellin solution: The soaked rice seeds are placed in a ventilated place at a temperature of 18℃~21℃ and dried for 24 hours. Place the rice seeds in a constant temperature incubator at 25℃~30℃ and soak them in a gibberellin solution with a concentration of 30mg / L~70mg / L for 24 hours. Then rinse them repeatedly with deionized water until the gibberellin solution remaining on the seeds is washed away. (4) Take out the washed rice seeds, drain the water, and place them in a moist sand bed to maintain humidity. (5) Treat the rice seeds with a high voltage electrostatic field: Place the rice seeds in the sand bed in an electrostatic field with a voltage of 10~50kv and a plate spacing of 10cm for 3min~20min. (6) Place the rice seeds treated with the high voltage electrostatic field in a 25℃ incubator and add water every 24 hours. On the third day, count the number of normal seedlings.

[0005] The existing technologies described above involve directly placing seeds in an electric field and treating them for a period of time before direct sowing. However, these existing methods for seed cultivation have the following drawbacks. First, a persistent challenge for those skilled in the art is the inability to precisely determine and control the treatment time for different seeds using high-intensity electrostatic fields. This is because agricultural seeds vary greatly in type, particle size, moisture content, seed coat thickness, temperature, internal structure, and composition, thus requiring different treatment times. Excessive treatment time can cause significant changes and damage to the seed's molecular structure, leading to failure to germinate or slow germination, inhibiting crop growth and reducing yield. Insufficient treatment time results in no effect or minimal effect. In short, current electrostatic field treatment technology for crop seeds remains in a rudimentary stage, relying on experience or experimental data for operation.

[0006] Furthermore, for mutant seeds that have undergone electric field treatment, the degree of treatment, vigor, or polarization is not entirely the same, and some seeds may not have been treated at all. However, the existing technology does not sort the seeds with different degrees of treatment, vigor, or polarization, which may result in uneven germination times and uneven growth conditions. This makes it inconvenient for growers to water and fertilize the seedlings, increasing their workload.

[0007] Furthermore, on the one hand, there are differences in understanding between those skilled in the art and those skilled in the art; on the other hand, the inventors studied a large number of documents and patents when making this invention, but due to space limitations, not all details and contents were listed in detail. However, this invention does not lack the features of these prior art; on the contrary, this invention already possesses all the features of the prior art, and the applicant reserves the right to add relevant prior art to the background section. Summary of the Invention

[0008] To clarify and control the duration of high-intensity electrostatic field treatment for different seeds, existing technologies have developed solutions capable of determining the electrostatic field polarization time of crop seeds. For example, patent document CN110771304A discloses an automatic control device for electrostatic field polarization of crop seeds. In this solution, during the high-intensity electrostatic field polarization treatment of crop seeds, when the seed layer's electric field strength, capacitance, resistance, and thermal motion are constant, all constant data will eventually stabilize at a specific point in time. When the data remain constant for 5-10 minutes, the seed polarization is considered to be in a stable state, at which point the electrostatic field can be turned off, ending the treatment. This results in the optimal treatment effect for the crop seeds. This technical solution, under a constant high-intensity electrostatic field, considers the treated seed layer as a non-uniform dielectric formed by the mixture of seeds and air. Within this dielectric layer, the electric field strength decreases over time, the capacitance increases, the resistance increases, and the random molecular thermal motion within the seed becomes orderly and stable over time, ultimately reaching a constant value and a stable state at the same time. This point is considered the optimal time for high-intensity electrostatic field polarization of crop seeds. However, this technical solution requires four parameters related to the inner layer of the crop seed to determine the optimal time for high-intensity electrostatic field polarization, which obviously increases the complexity of the polarization process, makes it impossible to complete the sorting of crop seeds in a timely manner, and reduces the overall processing and sorting efficiency of seed resources. To address the shortcomings of the existing technical solution, this application proposes a seed resource processing and sorting system, comprising: a processing mechanism for processing seeds based on a high-voltage electrostatic field; a sorting mechanism for sorting the processed seeds; and a control mechanism for controlling the operating parameters of the processing mechanism and the sorting mechanism. The control mechanism can at least control the processing duration of the processing mechanism based on the specific properties of the seed layer in the processing mechanism, so that the seed layer is at the expected polarization level. The control mechanism can at least determine the voltage used by the sorting mechanism to sort polarized seeds based on the electric field strength within the seed layer at the expected polarization level, so that the polarized seeds fall into the preset receiving section according to their own polarization force. When the seed layer under the high-voltage electrostatic field is at the expected polarization level, this indicates that the seeds within the seed layer have reached an extreme of relatively good polarization. If the high-voltage electrostatic field is continuously applied, the seeds may be damaged due to the electric field effect, resulting in problems such as seed failure and inability to germinate. The technical solution of this application controls the duration of the electric field based on the specific properties within the seed layer, avoiding problems such as incomplete polarization or over-polarization.

[0009] The difference between this application and conventional high-voltage electrostatic field treatment methods for seeds lies in the fact that conventional high-intensity electrostatic fields cannot determine or control the precise treatment time for different seeds, while the technical solution of this application can determine the treatment time based on monitoring the specific properties of the seed layer under the high-voltage electrostatic field. Specifically, for example, the electric field strength of the seed layer under continuous high-voltage electric field will change due to its polarization. When the electric field strength at the seed layer stabilizes, it indicates that the seed layer is in an optimal polarization state. In this state, the application of the high-voltage electrostatic field can be stopped. This method avoids the problems of excessively long treatment time leading to significant changes in the molecular structure of the seeds and causing damage, and insufficient treatment time resulting in no or minimal effect from the electric field treatment. More specifically, the specific properties of the seed layer, such as the electric field strength, obtained under the high-voltage electrostatic field in this application have a positive effect on subsequent seed sorting.

[0010] Traditional seed sorting mechanisms rely on the differences in the physical and mechanical properties of seeds within a force field to achieve sorting, utilizing techniques such as wind, gravity, and water power. However, because the internal quality of seeds—including germination rate and vigor—is not closely related to these physical and mechanical properties, especially for seeds treated with an electric field, traditional sorting methods are not ideal. Some existing technologies propose sorting seeds using an electric field, but the magnitude of the electric field used for sorting is determined empirically without specific reference. While this may be effective for long-term treatment of the same type of seeds, it is insufficient for sorting seeds with significant differences in vigor and polarization caused by the electric field treatment itself. Furthermore, due to inherent differences in the seeds themselves, past experience cannot adequately address the sorting needs of seeds with substantial variations.

[0011] Existing technologies have developed solutions for screening single-type seeds using independently controlled dielectric sorting devices. For example, patent document CN210816325U discloses a dielectric sorting device for wheat seeds, including a housing, a drive mechanism, and a dielectric sorting drum. The dielectric sorting drum is rotatably connected inside the housing, while the drive mechanism is located outside the housing and connected to the dielectric sorting drum. By using an axially wound dielectric sorting drum, the grains immediately undergo a polarization process after falling onto the drum from the feed rollers, reducing jumping and dwell time. Furthermore, the axial arrangement of copper tube electrodes results in a wider distribution range of seeds, which is highly advantageous for sorting seeds of different grades. In other words, the electrostatic polarization and dielectric sorting processes in this solution occur simultaneously and both take place within the same drum structure. However, the degree of polarization produced by a stationary high-voltage electrostatic field and a rotating high-voltage electrostatic field may differ, thus it cannot be guaranteed that the polarization of seeds by a rotating high-voltage electrostatic field is relatively uniform. Furthermore, the degree of electrostatic polarization of the seeds directly affects the subsequent seed sorting process. The drum structure in this technical solution is only used to adsorb poorly vigorous wheat seeds by forming an electrostatic field; it does not involve controlling the relationship between the centrifugal force and polarization force of the drum to achieve screening and grading of different seeds. The specific drum devices used for sorting have clearly different functions. Therefore, those skilled in the art would not employ the aforementioned prior art or combinations thereof to solve the technical problems of this invention.

[0012] Therefore, this application, combining the specific properties of the seed layer in a stable state measured during the high-voltage electrostatic field process, especially the electric field strength, designs a technical solution that can determine the magnitude of the sorting electric field in the subsequent sorting process based on the stable electric field strength of the seed layer under the action of the high-voltage electrostatic field. Compared with the prior art, the control mechanism of this invention can determine the voltage used by the sorting mechanism to sort polarized seeds based on the electric field strength within the seed layer at the expected polarization level, so that the polarized seeds fall into the preset receiving section according to their own polarization force. Based on the above distinguishing technical features, the problem to be solved by this invention can include: how to accurately sort seeds according to their polarization degree. Specifically, the control mechanism of this application can at least determine the voltage applied to the double-wound coil assembly of the sorting section of the sorting mechanism based on the electric field strength sensor of the seed layer in a stable state measured by the electric field strength sensor inside the processing section of the processing mechanism and the applied high-voltage electrostatic field, thereby ensuring that the electric field where the polarized seeds are located is within an appropriate intensity range, achieving a better sorting effect. The method for determining the voltage applied to the dual-wound coil assembly based on the electric field strength of the seed layer in a steady state is as follows: For a seed layer under a high-voltage electrostatic field, the electric field strength at the seed layer will change due to its polarization. When the electric field strength at the seed layer is stable, it indicates that the seed layer is in the optimal polarization state. However, this stable electric field strength is not exactly the same as that under the high-voltage electrostatic field. By comparing the high-voltage electrostatic field with the stable electric field strength, the change in electric field strength caused by the polarization process of the seed layer can be calculated, thereby determining the voltage that should be applied to the polarized seed and avoiding insufficient sorting due to excessive or insufficient voltage.

[0013] Preferably, the specific properties of the seed layer within the high-voltage electrostatic field include at least one or more of the following: electric field strength, capacitance, and resistance. These specific properties gradually tend towards a stable state under the influence of the high-voltage electrostatic field. When the control mechanism analyzes that one or more specific properties have deviated from the stable state, it immediately controls the processing mechanism to stop applying the high-voltage electrostatic field. A stable state refers to a state where the electric field strength, capacitance, and resistance of the dielectric ultimately fluctuate within a small range without continuously decreasing or increasing.

[0014] Preferably, the sorting mechanism sorts polarized seeds of different polarization degrees based on a sorting layer that applies centrifugal force to the polarized seeds and a dual-wound coil assembly that applies polarizing force to the polarized seeds. Polarized seeds with lower polarizing force preferentially leave the sorting layer than those with higher polarizing force. Compared with the prior art, the sorting mechanism of the present invention has a layered structure capable of simultaneously applying centrifugal force and polarizing force to the polarized seeds. Based on the above distinguishing technical features, the problem to be solved by the present invention may include: how to achieve accurate sorting of different seeds according to the timing of their ejection from the sorting mechanism. Specifically, during the rotation of the sorting layer, the double-wound coil mechanism arranged inside the sorting layer of the sorting unit can provide a certain electric field to the seeds on the sorting layer. This causes the polarized seeds to generate a certain polarization force under the action of the electric field. Since the polarization degree of the polarized seeds is different, the resulting polarization force is also different. Therefore, for polarized seeds on the sorting layer that have the same frictional force and rotate at the same speed, a single polarized seed is subjected to five forces on the rotating sorting layer: gravity, polarization force, centrifugal force, frictional force, and supporting force. Force analysis of individual seeds reveals that, due to differences in polarization force, as seeds move with the sorting layer to different heights, they detach from the sorting layer in descending order of polarization force, from lowest to highest. That is, seeds with lower polarization force detach first. Furthermore, because of their higher detachment height and greater horizontal velocity, the earlier detached polarized seeds fall into the receiving section, which is horizontally farther from the sorting section. This results in different polarization levels of seeds being obtained in different receiving sections at different distances, thus achieving sorting. This method differs significantly from existing technologies that simply use a roller to create a strong electrostatic field to adsorb unqualified (poorly viable) seeds for sorting between qualified and unqualified seeds. Therefore, this method achieves a more accurate and diverse sorting effect.

[0015] Preferably, the processing unit transports the seeds to be processed sequentially to the feeding section, processing section, and cooling section via the transport section for particle size screening, electric field treatment, and cooling treatment, respectively. The transport section is provided with a number of seed trays for carrying the seeds at intervals.

[0016] Preferably, the feeding section includes at least a screen with adjustable mesh size under the control of a control mechanism, which in turn adjusts the voltage of the high-voltage electrostatic field in the treatment section according to the seed particle size in the seed tray. Compared with the prior art, the control mechanism of the present invention can provide differentiated high-voltage electrostatic field voltages based on the parameters of different seeds. Based on the above-mentioned distinguishing technical features, the problem to be solved by the present invention can include: how to improve the polarization effect of seeds in a high-voltage electrostatic field. Specifically, different seed coat thicknesses, seed moisture content, and seed quality are related to the applied high-voltage electrostatic field voltage. By pre-inputting the relationship between particle size and the applied high-voltage electrostatic field voltage into the treatment mechanism, the treatment mechanism can adaptively adjust the voltage of the high-voltage electrostatic field according to the particle size during electric field treatment, thereby enabling the seeds to achieve better polarization effect and polarization efficiency.

[0017] Preferably, the processing unit includes at least a high-voltage electrostatic field generator capable of generating a high-voltage electrostatic field, an electric field strength sensor capable of measuring the electric field of the seed layer, a capacitance sensor capable of measuring the capacitance of the seed layer, and a resistance sensor capable of measuring the resistance of the seed layer. The electric field strength sensor, capacitance sensor, and resistance sensor can all send the measured real-time data to the processing mechanism for analysis and processing. The processing mechanism analyzes and processes the real-time changes in the electric field strength, capacitance, and resistance values. Compared with the prior art, the processing structure of the present invention can perform analysis and processing based on the real-time state parameters of the seeds. Based on the above-mentioned distinguishing technical features, the problem to be solved by the present invention can include: how to improve the accuracy of the processing mechanism in determining the relevant parameters of the applied high-voltage electrostatic field. Specifically, when the control mechanism analyzes and determines that the electric field strength, capacitance, and resistance values ​​fluctuate within a small range over a period of time, the processing mechanism can determine that the duration of the applied high-voltage electrostatic field has reached a relatively optimal point. At this time, the processing mechanism determines that the processing of the processing unit has ended, thereby controlling the high-voltage electrostatic field to stop working, and quickly transporting the processed seed layer to the cooling unit via the transport unit.

[0018] Preferably, the cooling section includes at least a refrigerator capable of cooling the treated seed layer, with the four peripheral edges of the refrigerator in the cooling state adhering to the four peripheral edges of the seed tray. Compared with the prior art, the cooling section of the present invention can maintain the polarization state of the seeds by setting a refrigerator. Based on the above distinguishing technical features, the problem to be solved by the present invention can include: how to extend the polarization time of polarized seeds. Based on the above technical solution, the polarization time of polarized seeds can be extended. In the prior art, conventional seeds are centrally and uniformly planted and cultivated after polarization treatment, and there is no need to perform low-temperature treatment to maintain their polarization state. For the seeds treated with the present invention, when they are removed from the high-strength electrostatic field, the high-strength electrostatic force will no longer act on the seeds, but the thermal motion inside the seeds will not stop, and the seed molecules inside the seeds will gradually recover from their natural state to the initial equilibrium state under the action of the natural electrostatic field. Therefore, in order to extend the polarization time of polarized seeds and reduce thermal motion, the processing mechanism of this application performs low-temperature treatment on the treated polarized seeds. When the temperature is low, the seed molecules are tightly connected, the dipoles are difficult to turn, and the polarization recovery is weakened.

[0019] Preferably, the polarized seeds are transferred between the sorting section and the transport section via a transfer section. The height of the transport section is greater than the height of the transfer section, and the transport section and the transfer section are connected by an inclined slide. At the reversing end of the transport section's conveyor belt, as the plane or curved surface where the seed tray is located gradually changes from a horizontal to a vertical state, the seeds in the seed tray can fall from the seed tray onto the transfer section's conveyor belt due to gravity. More specifically, an inclined slide is provided between the transport section's conveyor belt and the transfer section's conveyor belt. The inclined slide smoothly transports the seeds that have fallen from the transport section onto the transfer section's conveyor belt, avoiding excessive collisions or bouncing when the seeds fall onto the transfer section's conveyor belt due to the height difference, thus ensuring that the seeds are not excessively damaged or wasted.

[0020] Preferably, the transfer section transfers the polarized seeds back to the sorting layer of the sorting section. The height of the transfer section is greater than the height of the sorting section. The sorting section sorts the polarized seeds into different receiving sections at different distances from the sorting section according to the position of the polarized seeds after they leave the sorting layer.

[0021] This application also proposes a method for processing and sorting seed resources, which includes:

[0022] Seeds are treated using a high-voltage electrostatic field; the treated seeds are then sorted.

[0023] The processing duration of the processing mechanism is controlled based on the specific properties of the seed layer in the process, so that the seed layer is at the desired polarization level;

[0024] The voltage used by the sorting mechanism to sort polarized seeds is determined based on the electric field strength within the seed layer at the expected polarization level, so that the polarized seeds fall into the preset receiving section according to their own polarization force.

[0025] The control mechanism of this application can determine the voltage applied to the double-wound coil mechanism of the sorting section of the sorting mechanism based on the electric field strength of the seed layer in a steady state measured by the electric field strength sensor inside the processing unit of the processing mechanism and the applied high-voltage electrostatic field. This ensures that the electric field of the polarized seed is within an appropriate strength range, achieving a better sorting effect. The method of determining the voltage applied to the double-wound coil mechanism based on the electric field strength of the seed layer in a steady state is as follows: for a seed layer under a high-voltage electrostatic field, the electric field strength at the seed layer changes due to its polarization. When the electric field strength at the seed layer is stable, it indicates that the seed layer is in an optimal polarization state. However, this stable electric field strength is not exactly the same as that under the high-voltage electrostatic field. By comparing the high-voltage electrostatic field with the stable electric field strength, the change in electric field strength caused by the polarization process of the seed layer can be calculated, thereby determining the voltage that should be applied to the polarized seed and avoiding insufficient sorting due to excessive or insufficient voltage. Attached Figure Description

[0026] Figure 1 This is a simplified structural diagram of a preferred embodiment of the processing and sorting mechanisms of the seed resource processing and sorting system of the present invention;

[0027] Figure 2 This is a simplified relational diagram of a preferred embodiment of the seed resource processing and sorting system of the present invention;

[0028] Figure 3 This is a simplified structural diagram of a preferred embodiment of the sorting unit of the seed resource processing and sorting system of the present invention;

[0029] Figure 4 This is a simplified schematic diagram illustrating the stress state of a single seed on the sorting layer of the seed resource processing and sorting system of the present invention.

[0030] List of reference numerals

[0031] 100: Processing mechanism; 200: Sorting mechanism; 300: Control mechanism; 110: Feeding section; 120: Processing section; 130: Cooling section; 140: Transport section; 210: Transfer section; 220: Sorting section; 230: Receiving section; 111: Screen; 112: Vibration module; 121: High-voltage electrostatic field generator; 122: Electric field strength sensor; 123: Capacitive sensor; 124: Resistive sensor; 131: Cooler; 141: Seed tray; 211: Inclined slide; 221: Sorting layer; 222: Double-wound coil assembly; 223: Rotary motor; 224: Power supply equipment. Detailed Implementation

[0032] The following is in conjunction with the appendix Figure 1-4 The present invention will be described in detail below.

[0033] Example 1

[0034] Figure 1 This diagram illustrates a simplified structural representation of a preferred embodiment of the seed resource processing and sorting system of this application. The system includes at least: a processing unit 100 for processing seed resources; a sorting unit 200 for sorting the processed seeds; and a control unit 300. Figure 1 (Not shown in the image) It can at least control the operating parameters of the sub-components of the processing mechanism 100 and the sorting mechanism 200. The processing mechanism 100 can control the processing duration according to the specific properties of the seed layer under the high-voltage electrostatic treatment field, thereby ensuring that most seeds are in a polarized state as much as possible and reducing the probability of seed breakdown caused by prolonged application of high-voltage electrostatic field, thus significantly improving the processing effect; the sorting mechanism 200 can sort the seeds after treatment by the high-voltage electrostatic treatment field according to their polarization degree, thereby allowing seeds with similar polarization degrees to be planted and cultivated in batches and areas, which is convenient for cultivation personnel to carry out cultivation and care.

[0035] For existing technologies that use high-intensity electric fields to treat seeds, the treatment time within the electric field is difficult to control. A persistent challenge for those skilled in the art is the inability to precisely determine and control the treatment time for different seeds. This is because agricultural seeds vary greatly in type, particle size, moisture content, seed coat thickness, temperature, internal structure, and composition, thus requiring different treatment times. Excessive treatment time can cause significant changes and damage to the seed's molecular structure, leading to failure to germinate or slow germination, inhibiting crop growth and reducing yield. Insufficient treatment time results in no effect or minimal effect. In short, current electrostatic field treatment technology for agricultural seeds remains in a rudimentary stage, relying on experience or experimental data for operation.

[0036] Preferably, the processing mechanism 100 includes at least a transport section 140 capable of transporting seeds. The transport section 140 is essentially constructed by a conveyor belt. At least a plurality of seed trays 141 are provided on the transport section 140. The seed trays 141 can both load seeds and transport seeds to the required location via the conveyor belt. The seed trays 141 are driven by the conveyor belt of the transport section 140 at least, and can also bend along with the conveyor belt at the bending points of the conveyor belt of the transport section 140.

[0037] Preferably, according to Figure 2 As shown, the control mechanism 300 can control the operating parameters of the sub-components of the processing mechanism 100, including at least the transport speed of the conveyor belt of the transport section 140.

[0038] Preferably, the processing mechanism 100 is provided with a feeding section 110, a processing section 120 and a cooling section 130 in sequence at least in the conveying direction of the transport section 140. The feeding section 110 is used to add seeds to be processed, the processing section 120 is used to apply a high voltage electrostatic field to process the seeds, and the cooling section 130 cools the seeds after processing in order to maintain seed viability.

[0039] Preferably, the feeding section 110 of the processing mechanism 100 includes at least a sieve 111 capable of screening seeds by size. Specifically, the feeding section 110 can screen seeds of different sizes according to the sieve 111 with different apertures, so that the seeds on the same seed tray 141 are kept basically the same size during the initial screening process. This is to facilitate electric field treatment and sorting in the subsequent seed processing and the sorting process of the processed seeds.

[0040] Preferably, the screen 111 of the feed section 110 of the processing mechanism 100 is designed with adjustable screen aperture size. Specifically, the screen 111 is a continuously adjustable screen aperture size screen 111, composed of several horizontal bars, several vertical bars, and a hydraulic drive device. The horizontal bars and vertical bars are evenly distributed and interlaced to form screen apertures. All the horizontal bars constituting the screen 111 are located on the same plane, and all the vertical bars are located on another plane that is in close contact with the horizontal bars. The horizontal bars and vertical bars intertwine to form the screen 111, and the screen 111 is divided into several groups, the number of groups being set according to actual needs. One group of screens 111 is fixed, while the other groups of relatively fixed screens 111 can move laterally or longitudinally under the control of the hydraulic drive device. Each set of screens 111 may include several crossbars and longitudinal bars. The crossbars and longitudinal bars constituting the same set of screens 111 are fixed together at each intersection point. If the support rods (i.e., crossbars and longitudinal bars) are made of metal, they can be fixed by welding so that the crossbars and longitudinal bars of the same set of screens 111 can move synchronously. In this way, the screen holes of the same set of screens 111 will not deform when subjected to external impact, ensuring the accuracy of screening. Each set of movable screens 111 moves laterally and longitudinally relative to the fixed screens 111 under the control of a hydraulic drive device, thereby changing the size of the screen holes defined between each set of screens 111 and realizing the adjustment of the screen hole size.

[0041] Preferably, according to Figure 2 As shown, the control mechanism 300 can control the operating parameters of the sub-components of the processing mechanism 100, including at least the aperture size of the screen 111 of the feed section 110.

[0042] Preferably, the feeding section 110 of the processing mechanism 100 includes at least a vibration module 112 capable of vibrating the seed tray 141. The vibration module 112 vibrates the seed tray 141 and the seeds in the seed tray 141 to make the seeds evenly distributed in the seed tray 141 and prevent seed overlap, thereby forming a seed layer with a single seed thickness in the seed tray 141, which further facilitates the subsequent high-voltage electrostatic field treatment of the seeds by the processing section 120.

[0043] Preferably, according to Figure 2 As shown, the control mechanism 300 can control the operating parameters of the sub-components of the processing mechanism 100, including at least the vibration start and stop time of the vibration module 112 of the feeding section 110.

[0044] Preferably, the feeding section 110 of the processing unit 100 further includes at least a heating module capable of heating the seed tray 141. The heating module heats the seed layer in the seed tray 141 to increase the molecular thermal motion activity inside the seed layer, thereby further increasing the possibility of the seeds exhibiting a polarized state in the processing section 120.

[0045] Preferably, the control mechanism 300 is able to control the operating parameters of the sub-components of the processing mechanism 100, including at least the heating time and heating temperature of the heating module of the feeding section 110.

[0046] Preferably, based on the above scheme, the feed section 110 of the processing unit 100 is capable of pre-treating the seeds, wherein the pre-treatment operation includes at least pre-screening according to size, distributing the seeds in the form of a seed layer, and preheating the seed layer.

[0047] Preferably, the seed tray 141, after pretreatment by the feeding section 110 of the processing unit 100, is transported from the conveyor belt of the transport section 140 to the processing section 120 of the processing unit 100. The processing section 120 at least provides insulation to the seed tray 141 to prevent leakage of electricity during the treatment of the seeds using a high-voltage electrostatic field.

[0048] Preferably, the processing unit 120 of the processing mechanism 100 includes at least a high-voltage electrostatic field generator 121 connected to the opposite edge of the seed tray 141. This generator is capable of producing a high-voltage electrostatic field approximately parallel to the seed tray 141. The seeds are affected laterally by this high-voltage electrostatic field, causing internal polarization within the seeds. Specifically, the crop seed layer being processed is a mixture of seeds and air, belonging to a non-uniform dielectric. The main component of the seeds is organic matter, containing numerous covalent bonds within the molecules. The centers of gravity of the positive and negative charges of the molecules do not coincide. The charged particles of the seeds are tightly bound by the internal forces of atoms and molecules or the forces between molecules; that is, the positive and negative charges are bound charges. Under the action of a high-strength electrostatic field, they can only make minute displacements within the atomic or molecular range. These charges cannot leave the dielectric to other charged bodies, nor can they move freely within the seed layer. In the electrostatic field, an electric field can exist within the seed layer. Before sowing, untreated crop seeds are in a dormant state. In the absence of an external electric field, the positive and negative charges of the seed molecules cancel each other out, resulting in no macroscopic electrical properties. The mixture of seed and air is not polarized externally; that is, the combined electric field generated externally is zero, and therefore, it exhibits no electrical characteristics. Under the influence of a strong external electrostatic field, each electric dipole (a system composed of two equal and opposite point charges) within the seed is oriented by the electric field, eventually becoming parallel to the direction of the electric field and exhibiting polarity. Specifically, with an external electric field, the electric moment of each polar molecule is subjected to an external electric field torque, causing the electric moments of the polar molecules to align to some extent with the direction of the external electric field, ultimately resulting in a non-zero vector sum of the molecular electric moments in the seed. The stronger the external electric field, the more orderly the molecular electric moments are arranged, and the larger the vector sum of the molecular electric moments in the dielectric. This polarization is called dielectric polarization, or seed polarization.

[0049] Preferably, according to Figure 2As shown, the control mechanism 300 can control the operating parameters of the sub-components of the processing mechanism 100, including at least the time and voltage of the high voltage electrostatic field generated by the high voltage electrostatic field generator 121 in the processing section 120. Specifically, the control mechanism 300 can control the duration of the high voltage electrostatic field based on the specific properties of the seed layer in the high voltage electrostatic field and can control the voltage of the high voltage electrostatic field based on the aperture of the screen 111 of the feed section 110.

[0050] Preferably, the specific properties of the seed layer within the high-voltage electrostatic field include at least one or more of the following: electric field strength, capacitance, and resistance. Specifically, under a constant-intensity high-voltage electrostatic field, the treated seed layer can be considered as a non-uniform dielectric formed by the mixture of seeds and air. In this dielectric layer, the electric field strength decreases over time, the capacitance increases over time, and the resistance increases over time, eventually reaching a stable state at the same time. A stable state refers to a state where the electric field strength, capacitance, and resistance of the dielectric fluctuate within a small range without continuously decreasing or increasing. When the seed layer under the high-voltage electrostatic field is in this state, it indicates that the seeds within the seed layer have achieved relatively good polarization. If a high-voltage electrostatic field is continuously applied, the seeds may be damaged due to the electric field, leading to problems such as failure to germinate.

[0051] Preferably, according to Figure 2 As shown, the processing unit 120 of the processing mechanism 100 includes at least an electric field strength sensor 122 capable of measuring the electric field of the seed layer (dielectric layer), a capacitance sensor 123 capable of measuring the capacitance of the seed layer (dielectric layer), and a resistance sensor 124 capable of measuring the resistance of the seed layer (dielectric layer). The electric field strength sensor 122, capacitance sensor 123, and resistance sensor 124 can all send the measured real-time data to the processing mechanism 100 for analysis and processing. The processing mechanism 100 analyzes and processes the real-time changes in the electric field strength, capacitance, and resistance values. When the control mechanism 300 analyzes and finds that the electric field strength, capacitance, and resistance values ​​continue to fluctuate within a small range for a period of time, the processing mechanism determines that the duration of the applied high-voltage electrostatic field has reached a relatively optimal time point. At this time, the processing mechanism judges that the processing of the processing unit 120 has ended, thereby controlling the high-voltage electrostatic field to stop working, and quickly transporting the processed seed layer to the cooling unit 130 through the transport unit 140.

[0052] Preferably, the specific properties of the seed layer within the high-voltage electrostatic field also include the molecular thermal motion of the seed layer. Specifically, under the high-voltage electrostatic field, the internal molecular thermal motion of the seed will gradually change from a chaotic and disordered state to a stable and ordered state.

[0053] Preferably, the processing unit 120 of the processing mechanism 100 is equipped with an infrared sensor capable of measuring the molecular thermal motion of the seed layer. The molecular thermal motion information of the seed layer acquired by the infrared sensor is transmitted to the processing mechanism for analysis and processing. The processing mechanism can compare the molecular thermal motion information of ordinary seeds with the molecular thermal motion information of polarized states, find the differences between them, and judge whether the molecular thermal motion information of the real-time acquired infrared sensor is in a stable and orderly state based on the differences between the molecular thermal motion of the seed layer acquired by the infrared sensor and the molecular thermal motion of polarized states.

[0054] Preferably, the processing logic of the processing mechanism for the aforementioned specific properties is as follows: if only one specific property is in a stable state, a high-voltage electrostatic field is continuously applied until all specific properties tend to be in a stable state, at which point the processing mechanism controls the high-voltage electrostatic field generator 121 of the processing unit 120 to stop applying the high-voltage electrostatic field; if, during the continuous application of the high-voltage electrostatic field, one or more specific properties abruptly change from a stable state, i.e., deviate from a stable state, the processing mechanism controls the high-voltage electrostatic field generator 121 of the processing unit 120 to immediately stop applying the high-voltage electrostatic field. After the application of the high-voltage electrostatic field is stopped, the seed tray 141 is released from the processing unit 120 and transported by the transport unit 140 to the cooling unit 130 for cooling.

[0055] Preferably, the processing mechanism can control the voltage of the high-voltage electrostatic field based at least on the aperture of the sieve 111 of the feed section 110. Different apertures of the sieve 110 can produce different seed sizes on the seed tray 141. The processing mechanism can control the seed size within the same seed tray 141 by controlling the aperture size of the sieve 111 of the feed section 110. Different seed sizes may correspond to different seed coat thicknesses, different seed moisture contents, and different seed masses. Generally, the processing mechanism assumes that seed coat thickness, seed moisture content, and seed mass should increase with increasing seed size. If there are special seed types, the processing mechanism can perform special treatment. Different seed coat thicknesses, seed moisture contents, and seed masses are related to the applied high-voltage electrostatic field voltage. By pre-inputting the relationship between the seed size and the applied high-voltage electrostatic field voltage into the processing mechanism 100, the processing voltage within the processing mechanism 100 can be controlled to a certain extent.

[0056] Preferably, according to Figure 2As shown, the cooling section 130 of the processing mechanism 100 can cool the processed seed layer. Specifically, the cooling section 130 is connected to a cooler 131, which is generally a plate-shaped structure similar in shape and size to the seed tray 141. When the seed tray 141 moves to the cooling section 130 of the processing mechanism 100, the cooler 131 of the cooling section 130 moves vertically along the axial direction of the cooling section 130 until the four peripheral edges of the plate-shaped cooler 131 are attached to the four peripheral edges of the seed tray 141. Then, the cooler 131 begins to cool the processed seed layer to a preset temperature. Based on the above technical solution, the polarization time of polarized seeds can be extended. For seeds that have undergone polarization treatment, once they are removed from the high-intensity electrostatic field, the high-intensity electrostatic force will no longer act on the seeds. However, the thermal motion inside the seeds will not stop, and the seed molecules inside the seeds will gradually recover from their natural state to their initial equilibrium state under the influence of the natural electrostatic field. Therefore, in order to prolong the polarization time of polarized seeds and reduce thermal motion, the treatment mechanism 100 of this application performs low-temperature treatment on the polarized seeds. When the temperature is low, the connections between seed molecules are close, the dipoles are difficult to turn, and the polarization recovery is weakened.

[0057] Preferably, after the seeds have been screened, processed and cooled by the processing unit 100, the degree of polarization of the seeds is not completely the same due to individual differences. Seeds with different degrees of polarization should be sorted to facilitate subsequent planting and maintenance. Therefore, the processing unit 100 transports the cooled polarized seeds to the sorting unit 200 for seed sorting.

[0058] Example 2

[0059] This embodiment is an improvement and supplement to embodiment 1, and repeated content will not be repeated.

[0060] Figure 1 The diagram shows a simplified structural schematic of a preferred embodiment of the seed resource processing and sorting system of this application. After being screened, processed and cooled by the processing unit 100, the polarization degree of the seeds is not completely the same due to individual differences. Seeds with different polarization degrees should be sorted to facilitate subsequent planting and maintenance. Thus, the processing unit 100 transports the cooled polarized seeds to the sorting unit 200 for seed sorting.

[0061] For mutant seeds that have undergone electric field treatment, the degree of treatment, vigor, or polarization is not entirely the same. Some seeds may not have been treated at all. However, the existing technology does not sort the seeds with different degrees of treatment, vigor, or polarization. This may result in uneven germination times and uneven growth conditions, making it inconvenient for growers to water and fertilize the seedlings, thus increasing their workload.

[0062] Preferably, the sorting mechanism 200 of this application can sort the polarization degree of the polarized seeds, so as to sow seeds in different areas according to the degree of treatment, vigor, and polarization. By planting seeds of a certain degree range in the same area, the relevant staff only need to treat the crops in the same planting area uniformly during subsequent watering, fertilization, or harvesting, reducing the unnecessary workload of the staff.

[0063] Preferably, such as Figure 1 As shown, the sorting mechanism 200 uses a transfer part 210 that is non-contactly connected to the end of the conveyor belt of the transport section 140 of the processing mechanism 100 to transport seeds from the seed tray 141 on the transport section 140 of the processing mechanism 100 to the drive belt of the transfer part 210, and then further transported by the transfer part 210 to the sorting section 220 of the sorting mechanism 200 for sorting. The vertical height of the transfer part 210 is lower than that of the transport section 140, so that at the reversing end of the conveyor belt of the transport section 140, the seeds on the plane where the seed tray 141 is located are sorted. As the curved surface gradually changes from a horizontal to a vertical state, it is subjected to gravity. Seeds in the seed tray 141 can fall from the seed tray 141 onto the conveyor belt of the transfer section 210. More specifically, an inclined slide 211 is provided between the conveyor belt of the transport section 140 and the conveyor belt of the transfer section 210. The inclined slide 211 smoothly transports the seeds that fall from the transport section 140 onto the conveyor belt of the transfer section 210, avoiding excessive collisions and bouncing when the seeds fall onto the conveyor belt of the transfer section 210 due to height differences, thereby ensuring that the seeds are not excessively damaged or wasted.

[0064] Preferably, the sorting mechanism 200 transports the processed polarized seeds to the sorting unit 220 via the transfer unit 210. The sorting unit 220 can sort the polarized seeds according to their degree of polarization; in essence, the sorting unit 220 can sort the polarized seeds according to their polarization force.

[0065] Preferably, Figure 3A simplified structural schematic diagram of a preferred embodiment of the sorting section 220 of the seed resource processing and sorting system of the present invention is shown. The sorting section 220 is configured as a circular roller structure. The axial direction of the roller structure of the sorting section 220 is parallel to the width direction of the transfer section 210, and the height of the sorting section 220 is lower than the height of the transfer section 210, so that polarized seeds can move from the conveyor belt of the transfer section 210 to the housing of the sorting section 220. The housing of the sorting section 220 is configured as a sorting layer 221 that can rotate around a central axis in the shape of a circular drum. Specifically, during the rotation of the sorting layer 221, the double-wound coil assembly 222 arranged inside the sorting layer 221 of the sorting section 220 can provide a certain electric field to the seeds on the sorting layer 221, thereby generating a certain polarization force under the action of the electric field. Since the polarization degree of the polarized seeds is different, the polarization force generated is also different. Therefore, for the polarized seeds on the sorting layer 221 that have the same friction and rotate at the same speed, the polarized seeds with the smaller polarization force will detach from the sorting layer 221 first. And because they detach from the layer at a higher height and have a greater horizontal speed when detaching, the polarized seeds that detach first can fall into the receiving section 230 that is horizontally farther away from the sorting section 220. Thus, polarized seeds with different polarization degrees are obtained in different receiving sections 230 at different distances, thereby achieving sorting.

[0066] Preferably, the magnitude of the electric field applied by the sorting section 220 can affect the polarization force on the polarized seed. In fact, the magnitude of the electric field applied by the double-wound coil assembly 222 of the sorting section 220 is positively correlated with the polarization force on the polarized seed. Furthermore, the control mechanism 300 can control the voltage supplied to the double-wound coil assembly 222 of the sorting section 220 to adjust the electric field strength generated by the double-wound coil assembly 222.

[0067] For the polarized seeds to be sorted on the sorting layer 221, the electric field strength provided by the double-wound coil assembly 222 must be neither too large nor too small. If the electric field strength is too large, even seeds with low polarization will not be able to detach from the sorting layer 221 at the expected time and position under the action of a large electric field strength, thus causing the low polarized seeds to fall into the receiving part 230 of the high polarized seeds. Similarly, if the electric field strength is too small, even polarized seeds with high polarization will experience a small polarization force due to the small electric field strength, thus causing the high polarized seeds to detach from the sorting layer 221 too early, causing the high polarized seeds to fall into the receiving part 230 of the low polarized seeds that should be collected.

[0068] To address the aforementioned issues, the control mechanism 300 of this application can determine the voltage applied to the double-wound coil assembly 222 of the sorting unit 220 of the sorting mechanism 200 based on the electric field strength of the seed layer in a stable state measured by the electric field strength sensor 122 inside the processing unit 120 of the processing mechanism 100 and the applied high-voltage electrostatic field. This ensures that the electric field around the polarized seeds is within an appropriate strength range, achieving a better sorting effect. The method of determining the voltage applied to the double-wound coil assembly 222 based on the electric field strength of the seed layer in a stable state is as follows: for a seed layer under a high-voltage electrostatic field, the electric field strength at the seed layer changes due to its polarization. When the electric field strength at the seed layer is stable, it indicates that the seed layer is in an optimal polarization state. However, this stable electric field strength is not exactly the same as that under the high-voltage electrostatic field. By comparing the high-voltage electrostatic field with the stable electric field strength, the change in electric field strength caused by the polarization process of the seed layer can be calculated, thereby determining the voltage that should be applied to the polarized seeds and avoiding insufficient sorting due to excessive or insufficient voltage.

[0069] Specifically, the seeds of this application are processed in different batches in the processing unit 120 of the processing mechanism 100. The high-voltage electrostatic field generator 121 in the processing unit 120 generates a uniform high-voltage electrostatic field that acts on the seed layer forming the dielectric layer. Under the action of the applied high-intensity electrostatic field, each electric dipole in the seed is rotated by the electric field and eventually becomes parallel to the direction of the electric field, exhibiting polarity. The direction of the electric field generated by the seed layer is opposite to the direction of the applied electric field, reducing the electric field strength of the applied electric field. At this time, the electric field strength at the seed layer is measured by the electric field strength sensor 122. This electric field strength is the superposition of the applied high-voltage electrostatic field and the electric field generated by the seed layer. Since the electric field strength of the applied high-voltage electrostatic field is known, the electric field strength of the electric field generated by the seed layer can be determined by simple calculation.

[0070] Therefore, the sorting mechanism 200 of this application can determine the magnitude of the sorting voltage used to generate the sorting electric field during the sorting process based on the calculated electric field strength of the electric field generated by the seed layer. That is, there is an objective mathematical relationship between the electric field strength generated by the seed layer and the magnitude of the sorting voltage used for sorting. This mathematical relationship can be established by those skilled in the art using conventional data model construction methods. The main idea is to measure the electric field strength of multiple sets of different seed layers, conduct sorting experiments on multiple sets of seeds at several sorting voltages, record the sorting effect of each set of seeds under several sorting voltages, select the sorting voltage at which the sorting effect of each set of seeds is optimal, and take the electric field strength of the seed and the optimal sorting voltage corresponding to the electric field strength as a pair of data sets. Multiple pairs of data sets are obtained in this way, and then the mathematical relationship formed by multiple pairs of data sets is calculated by, for example, linear regression analysis. In summary, the above mathematical relationship is entered into the control mechanism 300. The control mechanism 300 calculates the electric field strength of the electric field generated by the seed layer based on the stable electric field obtained by the electric field strength sensor 122 in the processing unit 120 of the processing mechanism 100. Then, the calculated electric field strength of the seed layer is substituted into the above-entered mathematical relationship to calculate the required sorting voltage for this batch of seeds.

[0071] Preferably, the frequency at which the processing mechanism 100 transports seeds to the sorting mechanism 200 is consistent with the frequency at which the sorting mechanism 200 adjusts the sorting voltage. Specifically, it is necessary to ensure that the seeds on the sorting section 220 of the sorting mechanism 200 are from the same batch to avoid mixing seeds with different electric field strengths, which would reduce the sorting effect. The main method is to control the rotational speeds of the transport section 140 of the processing mechanism 100, the transfer section 210 of the sorting mechanism 200, and the sorting section 220 to be consistent. That is, the transport section 140, the transfer section 210, and the sorting section 220 operate at preset speeds, and the relationship between them is as follows: the time period is defined as the entire process from the transport section 140 to the transfer section 210 and then to the sorting section 220 where the seeds are completely separated. This time period is the time required to sort a batch of seeds, and this time mainly depends on the transfer section 210 and the sorting section 220. The operating speed of the sorting section 220 is controlled, and then the transport section 140 is controlled to transfer the seeds to the transfer section 210 according to the time cycle to enter the sorting stage. When the seeds are on the transfer section 210, the seeds on the sorting section 220 have been emptied. At this moment, the sorting voltage of the sorting section 220 is adjusted. When the seeds are transported from the transfer section 210 to the sorting section 220, the sorting voltage of the sorting section 220 is also adjusted. Thus, the sorting of the next batch of seeds begins, ensuring that the entire processing and sorting process is automated and improving the processing efficiency of seed resources.

[0072] Specifically, to facilitate understanding of the technical solution of this application, this application explains the sorting principle of the sorting section 220 in conjunction with relevant content, based on... Figure 4 The diagram shows a simplified force analysis of a single seed on the sorting layer 221. A single polarized seed is subjected to five forces on the rotating sorting layer 221, including gravity mg, polarization force F, and centrifugal force mv. 2 / r, friction force F f As well as the supporting force N, force analysis of a single seed shows that, due to the different magnitudes of its polarization force F, when the seed moves to different heights with the sorting layer 221, it will detach from the sorting layer 221 in order from high to low according to the order of increasing polarization force F, thereby achieving sorting.

[0073] Preferably, the control mechanism 300 can also control parameters such as the rotation radius and rotation speed of the sorting layer 221 of the sorting section 220 to control the sorting adjustment, and set the sorting parameters according to the specific situation to achieve the best sorting effect.

[0074] Preferably, the two ends of the sorting section 220 are respectively configured as a rotary motor 223 for providing rotation drive to the sorting layer 221 and a power supply device 224 for providing power to the double-wound coil assembly 222. Specifically, the end of the sorting layer 221 of the sorting section 220 near the rotary motor 223 is fixedly connected to the circular edge of the sorting layer 221. The rotary motor 223 is located at the center of the circular end, thereby driving the sorting layer 221 to rotate around the axis of the sorting section 220. The end of the sorting layer 221 of the sorting section 220 near the power supply device 224 is in an unclosed state, that is, the double-wound coil assembly 222 is placed into the sorting layer 221 through this end. Specifically, the end face of the double-wound coil assembly 222 is close to the end face of the sorting layer 221, but there is a certain gap. Furthermore, the double-wound coil assembly 222 and the sorting layer 221 are coaxially configured to ensure that the electric field strength on the circular curved surface of the sorting layer 221 is the same. Furthermore, the dual-wound coil assembly 222 of the sorting unit 220 can be stationary; that is, the dual-wound coil assembly 222 does not need to rotate synchronously when the sorting layer 221 rotates. In addition, the dual-wound coil assembly 222 of this application is configured using existing technology, and no improvements are made to the dual-wound coil assembly 222 itself; therefore, the specific configuration of the dual-wound coil assembly 222 will not be described in detail.

[0075] It should be noted that the specific embodiments described above are exemplary, and those skilled in the art can devise various solutions inspired by the disclosure of this invention. These solutions all fall within the scope of this invention and its protection. Those skilled in the art should understand that this specification and its accompanying drawings are illustrative and not intended to limit the scope of the claims. The scope of protection of this invention is defined by the claims and their equivalents.

Claims

1. A seed resource processing and sorting system, comprising: The processing unit (100) processes the seeds based on a high-voltage electrostatic field; The sorting mechanism (200) sorts the treated seeds; A control mechanism (300) controls the operating parameters of the processing mechanism (100) and the sorting mechanism (200); Its features are, The control mechanism (300) is at least able to control the processing duration of the processing mechanism (100) based on the specific properties of the seed layer in the processing mechanism (100) so that the seed layer is at a desired polarization level; The control mechanism (300) can at least determine the voltage used by the sorting mechanism (200) to sort polarized seeds based on the electric field strength in the seed layer at the expected polarization level. The change in electric field strength caused by the polarization process of the seed layer can be calculated by the high-voltage electrostatic field and the electric field strength at a stable state, thereby determining the voltage to be applied to the polarized seeds so that the polarized seeds fall into the preset receiving part (230) according to their own polarization force.

2. The seed resource handling and sorting system of claim 1, wherein, The specific properties of the seed layer in the high voltage electrostatic field include at least one or more of the following: electric field strength, capacitance, and resistance. Under the action of the high voltage electrostatic field, the specific properties of the seed layer will gradually tend to a stable state. When the control mechanism (300) analyzes that one or more specific properties have deviated from the stable state, it immediately controls the processing mechanism (100) to stop applying the high voltage electrostatic field.

3. The system for handling and sorting of seed resources according to claim 1 or 2, characterized in that, The sorting mechanism (200) sorts polarized seeds with different polarization degrees based on the sorting layer (221) that applies centrifugal force to the polarized seeds and the dual-wound coil assembly (222) that applies polarization force to the polarized seeds, wherein the polarized seeds with smaller polarization force are more likely to leave the sorting layer (221).

4. The seed resource handling and sorting system of claim 3, wherein, The processing unit (100) transports the seeds to be processed sequentially to the feeding unit (110), the processing unit (120), and the cooling unit (130) via the transport unit (140) for particle size screening, electric field treatment, and cooling treatment, respectively. The transport unit (140) is provided with a number of seed trays (141) for carrying the seeds at intervals.

5. The seed resource handling and sorting system of claim 4, wherein, The feeding section (110) includes at least a screen (111) whose mesh size can be adjusted under the control of the control mechanism (300), and the control mechanism (300) can adjust the voltage of the high voltage electrostatic field of the processing section (120) according to the seed particle size in the seed tray (141).

6. The seed resource handling and sorting system of claim 4, wherein, The processing unit (120) includes at least a high voltage electrostatic field generator (121) capable of generating a high voltage electrostatic field, an electric field strength sensor (122) capable of measuring the electric field strength of the seed layer, a capacitance sensor (123) capable of measuring the capacitance of the seed layer, and a resistance sensor (124) capable of measuring the resistance of the seed layer.

7. The seed resource handling and sorting system of claim 4, wherein, The cooling section (130) includes at least a cooler (131) capable of cooling the processed seed layer, wherein the four periphery of the cooler (131) in the cooling state is attached to the four periphery of the seed tray (141).

8. The seed resource processing and sorting system according to claim 4, characterized in that, The sorting section (220) of the sorting mechanism (200) and the transport section (140) transfer polarized seeds through a transfer section (210), wherein the height of the transport section (140) is greater than the height of the transfer section (210), and the transport section (140) and the transfer section (210) are connected by an inclined slide (211).

9. The seed resource handling and sorting system of claim 8, wherein, The transfer section (210) transfers the polarized seeds back to the sorting layer (221) of the sorting section (220). The height of the transfer section (210) is greater than the height of the sorting section (220). The sorting section (220) sorts the polarized seeds into different receiving sections (230) at different distances from the sorting section (220) according to the position of the polarized seeds after they leave the sorting layer (221).

10. A method for processing and sorting seed resources, comprising: Seeds are treated using a high-voltage electrostatic field; The treated seeds are sorted. Its features are, The processing duration of the processing mechanism (100) is controlled based on the specific properties of the seed layer in the process so that the seed layer is at the desired polarization level; The voltage used by the sorting mechanism (200) to sort polarized seeds is determined based on the electric field strength within the seed layer at the expected polarization level. The change in electric field strength caused by the polarization process of the seed layer can be calculated by the high-voltage electrostatic field and the electric field strength at a stable state, thereby determining the voltage to be applied to the polarized seeds so that the polarized seeds fall into the preset receiving part (230) according to their own polarization force.

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