Title:
METHOD AND DEVICE FOR CONTROLLING SEEDING DEPTH OF NO-TILLAGE SEEDER
Document Type and Number:
WIPO Patent Application WO/2021/208302
Kind Code:
A1
Abstract:
A method and device for controlling the seeding depth of a no-tillage seeder. The device is disposed on the no-tillage seeder. The device for controlling the seeding depth of the no-tillage seeder comprises: an overall control system (1); a detection system, comprising a furrowing depth detecting unit (21), a pressing force sensor (22), a compaction force sensor (23) and a data acquisition unit (24); and a regulating system, comprising a hydraulic controller (31), a hydraulic valve group (32), a pressing oil cylinder (33) and a compacting oil cylinder (34).
Inventors:
ZHOU LIMING (CN)
YUAN YANWEI (CN)
ZHAO BO (CN)
BAI HUIJUAN (CN)
NIU KANG (CN)
JIANG HANLU (CN)
ZHANG JUNNING (CN)
WANG LILI (CN)
YUAN YANWEI (CN)
ZHAO BO (CN)
BAI HUIJUAN (CN)
NIU KANG (CN)
JIANG HANLU (CN)
ZHANG JUNNING (CN)
WANG LILI (CN)
Application Number:
PCT/CN2020/108307
Publication Date:
October 21, 2021
Filing Date:
August 11, 2020
Export Citation:
Assignee:
CN ACAD AGRICULTURAL MECH SCI (CN)
International Classes:
A01C7/20; A01C5/06; G01B17/00
Foreign References:
| CN111373909A | 2020-07-07 | |||
| CN104255126A | 2015-01-07 | |||
| CN110320941A | 2019-10-11 | |||
| CN109892074A | 2019-06-18 | |||
| US20110313572A1 | 2011-12-22 |
Attorney, Agent or Firm:
QIANYUEIP INTELLECTUAL PROPERTY AGENCY (CN)
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