[미국특허]
Agricultural apparatus for sensing and providing feedback of soil property changes in real time
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A01B-063/111
A01B-063/24
A01C-007/20
A01C-005/06
출원번호
US-0750720
(2013-01-25)
등록번호
US-9113589
(2015-08-25)
발명자
/ 주소
Bassett, Joseph D.
출원인 / 주소
Dawn Equipment Company
대리인 / 주소
Nixon Peabody LLP
인용정보
피인용 횟수 :
9인용 특허 :
215
초록▼
An agricultural system includes a towing frame to which a planting row unit is attached. The planting row unit is movable in a forward direction on a field having soil of varying hardness conditions, including a soft soil and a hard soil. The planting row unit includes a planting bin positioned rear
An agricultural system includes a towing frame to which a planting row unit is attached. The planting row unit is movable in a forward direction on a field having soil of varying hardness conditions, including a soft soil and a hard soil. The planting row unit includes a planting bin positioned rearwardly of the towing frame for carrying at least one of a fertilizer and seeds to be deposited into the soil. The planting row unit further includes a linkage assembly for coupling the planting bin to the towing frame, and an opener device forward of the towing frame. The opener device prepares the soil and includes an opener blade and a soil-hardness sensor. The opener blade maintains the same soil-penetration depth Z in the soft soil and the hard soil based on soil-hardness changes detected by the soil-hardness sensor.
대표청구항▼
1. An agricultural system comprising: a towing frame; anda planting row unit attached to the towing frame, the planting row unit being movable in a forward direction on a field having soil of varying hardness conditions, the soil including a soft soil and a hard soil, the soft soil being easier to p
1. An agricultural system comprising: a towing frame; anda planting row unit attached to the towing frame, the planting row unit being movable in a forward direction on a field having soil of varying hardness conditions, the soil including a soft soil and a hard soil, the soft soil being easier to penetrate than the hard soil, the planting row unit including a planting bin rearwardly of the towing frame for carrying at least one of a fertilizer and seeds to be deposited into the soil,a linkage assembly for coupling the planting bin to the towing frame, andan opener device forward of the towing frame for preparing the soil for receiving at least one of the fertilizer and the seeds, the opener device including an opener blade and a soil-hardness sensor, the opener blade maintaining the same soil-penetration depth Z in the soft soil and the hard soil based on soil-hardness changes detected by the soil-hardness sensor. 2. The agricultural system of claim 1, wherein the opener blade is selected from a group consisting of a cutting coulter and a fertilizer opener. 3. The agricultural system of claim 2, wherein the cutting coulter is positioned directly in-line with and forward of the planter row unit. 4. The agricultural system of claim 2, wherein the fertilizer opener is positioned off to a side of a planted area and forward of the planter row unit. 5. The agricultural system of claim 1, wherein the opener device further includes a gauge wheel attached to a wheel arm, the opener blade being attached to a blade arm, the wheel arm pivoting relative to the blade arm in response to the planting row unit moving between the soft soil and the hard soil; andan angular sensor for measuring changes between the blade arm and the wheel arm. 6. The agricultural system of claim 5, further comprising a controller for determining, in response to the changes, pressure output to the planting row unit. 7. The agricultural system of claim 1, wherein the opener device further includes a first linear position sensor coupled to the opener blade;a wheel gauge; anda second linear position sensor coupled to the wheel gauge;wherein the soil-hardness changes are determined in part based on relative motion between the opener blade and the wheel gauge as measured by the first linear position sensor and the second linear position sensor. 8. The agricultural system of claim 1, further comprising a side-by-side arrangement of planting row units attached to the towing frame, the planting row units including the planting row unit and forming a first group of planting row units and a second group of planting row units, the first group of planting row units being positioned inside a compacted path formed by wheels of a towing vehicle, the second group of planting row units being positioned outside the compacted path. 9. The agricultural system of claim 1, wherein the planting row unit further includes a hydraulic actuator mounted rearwardly of the towing frame for applying down-pressure to the planting row unit, the down-pressure changing in real time in accordance with the soil-hardness changes detected by the soil-hardness sensor. 10. An agricultural system comprising: a towing frame;a plurality of planting row units attached to the towing frame in a side-by-side arrangement, the plurality of planting row units being movable in a forward direction on a field having soil of varying hardness conditions, the soil including a soft soil and a hard soil, the soft soil being easier to penetrate than the hard soil, at least one of the plurality of planting row units including a planting bin rearwardly of the towing frame for carrying at least one of a fertilizer and seeds to be deposited into the soil,a parallel-bar linkage assembly for coupling the planting bin to the towing frame,a hydraulic actuator mounted rearwardly of the towing frame for applying down-pressure to the at least one of the plurality of planting row units, andan opener device attached to and forward of the towing frame for preparing the soil for receiving at least one of the fertilizer and the seeds from the planting bin, the opener device including an opener blade and a soil-hardness sensor, the opener blade maintaining the same soil-penetration depth Z in the soft soil and the hard soil based on soil-hardness changes detected by the soil-hardness sensor; andat least one controller for determining changes to pressure in the hydraulic actuator in accordance with the soil-hardness changes. 11. The agricultural system of claim 10, wherein the opener blade is selected from a group consisting of a cutting coulter and a fertilizer opener. 12. The agricultural system of claim 11, wherein the cutting coulter is positioned directly in-line with and forward of the planter row unit. 13. The agricultural system of claim 11, wherein the fertilizer opener is positioned off to a side of a planted area and forward of the planter row unit. 14. The agricultural system of claim 10, wherein the opener device further includes a gauge wheel attached to a wheel arm, the opener blade being attached to a blade arm, the wheel arm pivoting relative to the blade arm in response to the planting row unit moving between the soft soil and the hard soil; andan encoder for measuring angular changes between the blade arm and the wheel arm. 15. The agricultural system of claim 14, wherein the wheel arm is biased down by a spring. 16. The agricultural system of claim 10, wherein the opener device further includes a first linear position sensor coupled to the opener blade;a wheel gauge; anda second linear position sensor coupled to the wheel gauge;wherein the soil-hardness changes are determined in part based on relative motion between the opener blade and the wheel gauge as measured by the first linear position sensor and the second linear position sensor. 17. The agricultural system of claim 10, wherein the plurality of planting row units includes a first group of planting row units and a second group of planting row units, the first group of planting row units being positioned inside a compacted path formed by wheels of a towing vehicle, the second group of planting row units being positioned outside the compacted path. 18. The agricultural system of claim 10, wherein the at least one controller is mounted on the at least one of the plurality of planting row units. 19. The agricultural system of claim 10, wherein the at least one controller is remote from the plurality of planting row units. 20. The agricultural system of claim 10, wherein the changes to pressure in the hydraulic actuator are determined in real time as the plurality of planting row units are movable between the soft soil and the hard soil.
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