CN113692813B - Pneumatic centralized conveying type seed distribution system based on electrostatic attraction and seed distribution operation method - Google Patents
Pneumatic centralized conveying type seed distribution system based on electrostatic attraction and seed distribution operation method Download PDFInfo
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- CN113692813B CN113692813B CN202110935273.5A CN202110935273A CN113692813B CN 113692813 B CN113692813 B CN 113692813B CN 202110935273 A CN202110935273 A CN 202110935273A CN 113692813 B CN113692813 B CN 113692813B
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- seed
- sowing
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- separating device
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/08—Broadcast seeders; Seeders depositing seeds in rows
- A01C7/081—Seeders depositing seeds in rows using pneumatic means
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
Abstract
The invention provides a pneumatic centralized conveying type seed distribution system based on electrostatic attraction and a seed distribution operation method, which are used for detecting the seeding quantity and the seed conveying force of each row in real time, adjusting the seed distribution system in real time, improving the seed discharging consistency of each row, accurately controlling the seeding quantity and further improving the seeding quality. The pneumatic centralized conveying type seed distribution system based on the electrostatic attraction comprises a rack, a seed box, a seed separating device, a seed discharging device and a pneumatic centralized conveying device; the seed sowing device comprises a seed sowing wheel, a seed sowing motor and a seed sowing box, the seed sowing box is positioned below the seed falling port, the seed sowing wheel is positioned in the seed sowing box, and the seed sowing wheel is driven by the seed sowing motor; the pneumatic centralized conveying device comprises a fan and a conveying pipe; the seed separating device comprises a seed separating device, wherein a bulge is arranged at the top end of the inner cavity of the seed separating device, and a plurality of seed guide pipes are connected below the seed separating device; the seed separating amount regulator includes electrostatic generator and attraction plate inside the conveying pipe near the upper end, and each attraction plate has electrostatic generator outside.
Description
Technical Field
The invention relates to a pneumatic centralized conveying type seed distribution system, in particular to a pneumatic centralized conveying type seed distribution system based on electrostatic attraction and a seed distribution operation method, which are suitable for a pneumatic centralized conveying type seeding operation machine.
Background
The crop seeding operation adopts two modes of single grain precision seeding and drill seeding, the drill seeding and the broadcast seeding are mainly used in the seeding of small-grain-size crops such as conventional wheat, quinoa, sesbania and the like, the pneumatic centralized seed feeding type seeder has high conveying efficiency and is the most advanced grain drill seeding machine in the world at present and suitable for the precision seeding operation requirement. The consistency of the seed metering quantity is an important index for evaluating the operation quality of the seeder, the better the consistency, the more uniform the seeding, the better the later-stage crop growth and the higher the farmland yield. Due to the influence of differences of different seed varieties, sizes, qualities, whole machine vibration, conveying air pressure and the like, the corners of the conveying pipes are easy to cause seed aggregation, the seeding quantity control and uniform seed distribution effects of the conventional air centralized conveying mode are not ideal, and the consistency of the seeding quantity of each row is poor.
Disclosure of Invention
The invention aims to provide a pneumatic centralized conveying type seed distribution system and a seed distribution operation method based on electrostatic attraction, which are used for detecting the seeding quantity and the seed conveying force of each row in real time, adjusting the seed distribution system in real time, improving the seed discharging consistency of each row, accurately controlling the seeding quantity and further improving the seeding quality.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a pneumatic centralized conveying type seed distribution system based on electrostatic attraction comprises a rack, a seed box, a seed separation device, a seed discharging device and a pneumatic centralized conveying device; wherein:
the seed box is provided with a seed dropping port;
the seed sowing device comprises a seed sowing wheel, a seed sowing motor and a seed sowing box, the seed sowing box is positioned below the seed falling port, the seed sowing wheel is positioned in the seed sowing box, and the seed sowing wheel is driven by the seed sowing motor;
the pneumatic centralized conveying device comprises a fan and a conveying pipe, one end of the conveying pipe is connected with the seed separating device, and the other end of the conveying pipe is connected with the fan;
the seed separating device comprises a seed separating device, wherein a bulge is arranged at the top end of the inner cavity of the seed separating device, and a plurality of seed guide pipes are connected below the seed separating device;
the seed separating amount regulator includes electrostatic generator and attraction plate inside the conveying pipe near the upper end, and each attraction plate has electrostatic generator outside.
On the basis of the pneumatic centralized conveying type seed distribution system based on the electrostatic attraction, the seed distribution amount adjusting device further comprises a longitudinal guide rail and transverse guide rails, the longitudinal guide rail is located at the upper end of the seed distributor, the two transverse guide rails are located above the longitudinal guide rail, and the transverse guide rails are located on the rack.
On the basis of the pneumatic centralized conveying type seed distribution system based on the electrostatic attraction, the piezoelectric sensor is arranged in the seed separator, and a plurality of seed falling sensors are connected between the seed separator and the seed guide pipe.
On the basis of the pneumatic centralized conveying type seed distribution system based on the electrostatic attraction, the upper end of the conveying pipe is connected with the seed distributor through the connecting disc.
A method for performing seed distribution operation by utilizing the pneumatic centralized conveying type seed distribution system based on the electrostatic attraction comprises the following steps: fan and seed metering motor rotate, and the seed falls into the recess of seed metering wheel from the seed case, and seed metering wheel is rotated by the seed metering motor and is sprinkled the seed to the air cavity of seed metering box, and the seed is sent into the seed distributor by the conveyer pipe under the air current effect of fan exhaust in, there is the arch on seed distributor inner chamber top, and the seed is beaten protruding position by the air current effect and is evenly dispersed, through in the seed distributor inner chamber edge landing goes into each kind of the hole that falls of lower extreme border, through the kind of a hole entering duct that falls to accomplish each kind of operation.
On the basis of the method for performing the seed distribution operation by utilizing the pneumatic centralized conveying type seed distribution system based on the electrostatic attraction, the seed distribution condition is adjusted by adopting the following two methods: one is to control the longitudinal guide rail and the transverse guide rail to move the seed separator, so as to change the relative seed separation position of the protrusion at the top end of the inner cavity of the seed separator corresponding to the outlet of the conveying pipe and further adjust the seed separation amount of each seed guiding pipe; the other method is that an electrostatic generator is uniformly distributed to enable an attraction plate to generate electrostatic attraction, the electrostatic force of the attraction plate at different positions is changed to enable the seeds to be deviated in the conveying process, or the electrostatic force is alternately generated to enable the conveyed seeds to rotate, so that the seed distribution amount of each seed guide pipe is adjusted, and uniform seed distribution is realized.
The invention has the advantages that:
the seed dropping sensor can detect the dropping amount in the seed guide pipe in real time, the seeding amount in unit time can be accurately detected through the calculation of the amount, and the system can adjust the rotating speed of the seeding motor to change the seeding amount in real time according to the operation speed and the set standard seeding amount; the piezoelectric sensor can detect the force of the seeds striking the top end in real time, and the system can adjust the air pressure of the electric fan in real time to change the seed feeding speed and force to deal with the seeds with different sizes and qualities according to the striking force and the lower weight; the real-time adjustment of the seed distribution system improves the consistency of each row seed metering, accurately controls the seeding quantity and further has very important significance in improving the seeding quality.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic diagram of a gravitational plate and an electrostatic generator according to an embodiment of the present invention.
FIG. 3 is a schematic structural view of a seed metering device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a pneumatic centralized conveying type seed distribution system based on electrostatic attraction comprises a frame 9, a seed box 10, a seed separating device, a seed discharging device and a pneumatic centralized conveying device; wherein:
the seed box 10 has a seed dropping port;
the seed sowing device comprises a seed sowing wheel 11, a seed sowing motor 12 and a seed sowing box 14, the seed sowing box 14 is positioned below the seed falling port, the seed sowing wheel 11 is positioned in the seed sowing box 14, and the seed sowing wheel 11 is driven by the seed sowing motor 12;
the pneumatic centralized conveying device comprises a fan 13 and a conveying pipe 1, the upper end of the conveying pipe 1 is connected with the seed separating device through a connecting disc 4, and the other end of the conveying pipe 1 is connected with the fan 13;
the seed separating device comprises a seed separating device 5, wherein the top end of the inner cavity of the seed separating device 5 is provided with a bulge, and a plurality of seed guide pipes 2 are connected below the seed separating device 5;
the seed quantity adjusting device comprises an electrostatic generator 15 and an attraction plate 16, wherein the attraction plate 16 is positioned inside the conveying pipe 1 close to the upper end, the electrostatic generator 15 is arranged outside each attraction plate 16, the attraction plate 6 generates electrostatic attraction through the uniformly distributed electrostatic generators 15, the electrostatic force of the attraction plates 16 at different positions is changed to enable the seeds to deviate in the conveying process, or the electrostatic force is alternately generated to enable the conveyed seeds to rotate, so that the seed quantity of each seed guide pipe 2 is adjusted, and uniform seed distribution is realized.
In this embodiment, divide kind of volume adjusting device still includes longitudinal rail 6 and transverse guide 7, and longitudinal rail 6 is located 5 upper ends of dividing kind of ware, and two transverse guide 7 are located longitudinal rail 6 tops, and transverse guide 7 is located frame 9. The seed separator 5 is enabled to move within the allowable deformation range of the connecting disc 4, so that the relative seed separation position of the protrusion at the top end of the inner cavity of the seed separator 5 corresponding to the outlet of the seed delivery pipe is changed, the seed separation amount of each seed delivery pipe is adjusted, and uniform and consistent seed separation is realized.
In the embodiment, the piezoelectric sensor 8 is arranged in the seed divider 5, so that the force of striking the top end of the seeds can be detected in real time, and according to the striking force and the lower weight, the system can adjust the air pressure of the electric fan in real time to change the seed feeding speed and force so as to deal with the seeds with different sizes and qualities; a plurality of seed falling sensors 3 are connected between the seed distributor 5 and the seed guide pipe 2, the seed falling sensors adopt a grating sensing principle, the falling amount in the seed guide pipe can be detected in real time, the seeding amount in unit time can be accurately detected through the calculation of the amount, and the system can adjust the rotating speed of a seed discharging motor in real time according to the operation speed and the set standard seeding amount to change the seed discharging amount.
A method for performing seed distribution operation by utilizing the pneumatic centralized conveying type seed distribution system based on the electrostatic attraction comprises the following steps: the fan 13 and the seed sowing motor 12 rotate, seeds fall into the groove of the seed sowing wheel 11 from the seed box 10, the seed sowing wheel 11 is rotated by the seed sowing motor 12 to scatter the seeds into the air cavity of the seed sowing box 14, the seeds are conveyed into the seed divider 5 through the conveying pipe 1 under the action of airflow discharged by the fan 13, the top end of the inner cavity of the seed divider 5 is protruded, the seeds are uniformly dispersed after being hit to the protruded part under the action of the airflow, and the seeds slide into each seed falling hole on the periphery of the lower end through the edge of the inner cavity of the seed divider 5 and enter the seed guide pipe 2 through the seed falling holes, so that each row of seed dividing operation is completed.
Because the conveying pipe 1 is provided with a bent part, the seeds collide the bent part when passing through the bent part, the distribution of the seeds can become uneven, the concentration of the seeds among the regions is changed, and the system can adjust the distribution condition of the seeds by adopting the following two methods according to the difference and the distribution condition of the seed falling amount detected by each seed falling sensor in unit time: one is to control the longitudinal guide rail and the transverse guide rail to move the seed separator 5, so as to change the relative seed separation position of the protrusion at the top end of the inner cavity of the seed separator 5 corresponding to the outlet of the conveying pipe 1 and further adjust the seed separation amount of each seed guiding pipe 2; the other is to make the attraction plate 16 generate electrostatic attraction through the uniformly distributed electrostatic generators 15, make the seeds offset in the conveying process by changing the electrostatic force of the attraction plate 16 at different positions, or alternatively generate electrostatic force to make the conveyed seeds rotate, and further adjust the seed amount of each seed guide tube 2, so as to realize uniform seed division.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a pneumatic centralized conveying type seed distribution system based on electrostatic attraction which characterized in that: comprises a frame (9), a seed box (10), a seed separating device, a seeding device and a pneumatic centralized conveying device; wherein:
the seed box (10) is provided with a seed dropping opening;
the seed sowing device comprises a seed sowing wheel (11), a seed sowing motor (12) and a seed sowing box (14), the seed sowing box (14) is positioned below the seed dropping opening, the seed sowing wheel (11) is positioned in the seed sowing box (14), and the seed sowing wheel (11) is driven by the seed sowing motor (12);
the pneumatic centralized conveying device comprises a fan (13) and a conveying pipe (1), one end of the conveying pipe (1) is connected with the seed separating device, and the other end of the conveying pipe (1) is connected with the fan (13);
the seed separating device comprises a seed separating device (5), wherein the top end of the inner cavity of the seed separating device (5) is provided with a bulge, and a plurality of seed guide pipes (2) are connected below the seed separating device (5);
the seed separating amount adjusting device comprises an electrostatic generator (15) and an attraction plate (16), the attraction plate (16) is positioned inside the conveying pipe (1) close to the upper end, and the electrostatic generator (15) is arranged outside each attraction plate (16);
the seed separating amount adjusting device further comprises a longitudinal guide rail (6) and transverse guide rails (7), the longitudinal guide rail (6) is located at the upper end of the seed separating device (5), the two transverse guide rails (7) are located above the longitudinal guide rail (6), and the transverse guide rails (7) are located on the rack (9).
2. The pneumatic centralized conveying type seed distribution system based on the electrostatic attraction force as claimed in claim 1, wherein: a piezoelectric sensor (8) is arranged in the seed separator (5), and a plurality of seed falling sensors (3) are connected between the seed separator (5) and the seed guide tube (2).
3. The pneumatic centralized conveying type seed distribution system based on the electrostatic attraction force as claimed in claim 2, wherein: the upper end of the delivery pipe (1) is connected with a seed divider (5) through a connecting disc (4).
4. A seed distribution method by using the pneumatic centralized conveying type seed distribution system based on the electrostatic attraction as claimed in any one of claims 1 to 3, which is characterized by comprising the following steps: fan (13) and seed metering motor (12) rotate, the seed falls into the recess of seed metering wheel (11) from seed case (10), seed metering wheel (11) are rotated by seed metering motor (12) and are spilt the seed in the air cavity of seed metering box (14), the seed is sent into in seed divider (5) by conveyer pipe (1) under fan (13) exhaust air current effect, seed divider (5) inner chamber top has the arch, the seed is beaten protruding position by the air current effect and is evenly dispersed, through seed divider (5) inner chamber edge slip to each seed falling hole of lower extreme week, get into seed guide pipe (2) through the seed falling hole to accomplish each row of seed dividing operation.
5. The seed sorting work method according to claim 4, characterized in that: the seed distribution is adjusted by the following two methods: one is to control the longitudinal guide rail and the transverse guide rail to move the seed separator (5), so as to change the relative seed separation position of the protrusion at the top end of the inner cavity of the seed separator (5) corresponding to the outlet of the conveying pipe (1), and further adjust the seed separation amount of each seed guiding pipe (2); the other method is that a gravitational plate (16) generates electrostatic attraction through an evenly distributed electrostatic generator (15), electrostatic force of the gravitational plate (16) at different positions is changed to enable the seeds to deviate in the conveying process, or the electrostatic force is alternately generated to enable the conveyed seeds to rotate, so that the seed distribution amount of each seed guide pipe (2) is adjusted, and uniform seed distribution is realized.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110935273.5A CN113692813B (en) | 2021-08-16 | 2021-08-16 | Pneumatic centralized conveying type seed distribution system based on electrostatic attraction and seed distribution operation method |
| PCT/CN2021/116219 WO2023019647A1 (en) | 2021-08-16 | 2021-09-02 | Pneumatic centralized conveying type seed distribution system based on electrostatic attraction and method for seed separation operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110935273.5A CN113692813B (en) | 2021-08-16 | 2021-08-16 | Pneumatic centralized conveying type seed distribution system based on electrostatic attraction and seed distribution operation method |
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| Publication Number | Publication Date |
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| CN113692813A CN113692813A (en) | 2021-11-26 |
| CN113692813B true CN113692813B (en) | 2022-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110935273.5A Active CN113692813B (en) | 2021-08-16 | 2021-08-16 | Pneumatic centralized conveying type seed distribution system based on electrostatic attraction and seed distribution operation method |
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| Country | Link |
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| CN (1) | CN113692813B (en) |
| WO (1) | WO2023019647A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117561846B (en) * | 2024-01-15 | 2024-03-12 | 中国农业大学 | Seeding device based on static electricity |
Citations (6)
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| DE2821361A1 (en) * | 1977-05-13 | 1978-11-23 | Anvar | DEVICE FOR DISPENSING PARTICLES, IN PARTICULAR SEEDS |
| CN105453775A (en) * | 2015-12-17 | 2016-04-06 | 华中农业大学 | Rape and wheat dual-purpose centralized-discharging pneumatic distribution device |
| DE102015100087A1 (en) * | 2015-01-07 | 2016-07-07 | Amazonen-Werke H. Dreyer Gmbh & Co. Kg | Pneumatic seed drill |
| CA2911182A1 (en) * | 2015-11-03 | 2017-05-03 | Norbert Beaujot | Air seeder manifold with improved distribution uniformity |
| CN210594254U (en) * | 2019-08-21 | 2020-05-22 | 大唐湘潭发电有限责任公司 | Prevent blockking up defeated grey system of coal fired power plant electrostatic precipitator |
| CN211687377U (en) * | 2019-12-25 | 2020-10-16 | 广东力泰德食品工程有限公司 | Anti-blocking elbow device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6505569B1 (en) * | 2001-07-09 | 2003-01-14 | Leroy J. Richard | Seeder airflow control system |
| CN101066015A (en) * | 2007-06-06 | 2007-11-07 | 山东农业大学 | Airflow type seeder |
| EP2932818B1 (en) * | 2014-04-16 | 2018-08-01 | Horsch Maschinen GmbH | Distribution device and method for delivery of granular goods |
| RO135186A2 (en) * | 2018-08-10 | 2021-09-30 | Great Plains Manufacturing,Inc. | Seed-flow adjustment system |
| CN110606373A (en) * | 2019-09-29 | 2019-12-24 | 中国石油大学(北京) | Wear-resistant electrostatic method and electrostatic adjusting device for elbow of pneumatic conveying system |
| CN112889419A (en) * | 2021-03-11 | 2021-06-04 | 山东省农业机械科学研究院 | Multi-crop self-adaptive seed conveying and uniform seed distributing device |
-
2021
- 2021-08-16 CN CN202110935273.5A patent/CN113692813B/en active Active
- 2021-09-02 WO PCT/CN2021/116219 patent/WO2023019647A1/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2821361A1 (en) * | 1977-05-13 | 1978-11-23 | Anvar | DEVICE FOR DISPENSING PARTICLES, IN PARTICULAR SEEDS |
| DE102015100087A1 (en) * | 2015-01-07 | 2016-07-07 | Amazonen-Werke H. Dreyer Gmbh & Co. Kg | Pneumatic seed drill |
| CA2911182A1 (en) * | 2015-11-03 | 2017-05-03 | Norbert Beaujot | Air seeder manifold with improved distribution uniformity |
| CN105453775A (en) * | 2015-12-17 | 2016-04-06 | 华中农业大学 | Rape and wheat dual-purpose centralized-discharging pneumatic distribution device |
| CN210594254U (en) * | 2019-08-21 | 2020-05-22 | 大唐湘潭发电有限责任公司 | Prevent blockking up defeated grey system of coal fired power plant electrostatic precipitator |
| CN211687377U (en) * | 2019-12-25 | 2020-10-16 | 广东力泰德食品工程有限公司 | Anti-blocking elbow device |
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| Publication number | Publication date |
|---|---|
| CN113692813A (en) | 2021-11-26 |
| WO2023019647A1 (en) | 2023-02-23 |
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