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Miss-seeding detection device based on complex programmable logic device (CPLD)

A detection device and detection module technology, applied in the direction of planter parts, etc., can solve the problems of poor detection accuracy and few monitorable paths, and achieve the effects of fast execution speed, accurate missed-seeding detection, and guaranteeing reliability and accuracy.

Active Publication Date: 2015-07-01
QINGDAO AGRI UNIV
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Problems solved by technology

[0004] The purpose of the present invention is to provide a CPLD-based missed-seeding detection device for the shortcomings of the existing missed-seeding detection device, which has poor detection accuracy and few monitoring channels, so as to realize accurate missed-seeding detection and missing-seeding information during the sowing operation of the seeder. Quick processing and missed broadcast alarm function

Method used

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  • Miss-seeding detection device based on complex programmable logic device (CPLD)
  • Miss-seeding detection device based on complex programmable logic device (CPLD)
  • Miss-seeding detection device based on complex programmable logic device (CPLD)

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specific Embodiment approach

[0021] Refer to the structure of the missed broadcast detection device of the present invention figure 1 , the specific arrangement of the infrared light-emitting diodes and infrared receiving diodes of the seed detection sensor refers to figure 2 , refer to the installation position of the leakage detection device image 3 .

[0022] A CPLD-based leak-seeding detection device, including a signal centralized control module and a multi-channel seed fall detection module, the signal centralized control module includes a serial communication interface circuit, a programmable logic unit CPLD control module and a signal acquisition interface circuit, and the signal centralized control module The module and the upper computer realize two-way signal transmission; the multi-channel seed fall detection module sends the collected seed fall information to the programmable logic unit CPLD control module for processing through the signal acquisition interface circuit.

[0023] The multi...

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Abstract

The invention relates to the technical field of agricultural machinery, and in particular relates to a miss-seeding detection device suitable for large-size automatic seeding machinery. The miss-seeding detection device comprises a signal centralized control module and multiple fallen seed detection modules, wherein the signal centralized control module comprises a serial communication interface circuit, a CPLD control module and a signal acquisition interface circuit; the signal centralized control module and an upper computer realize bidirectional signal transmission; and the multiple fallen seed detection modules send acquired fallen seed information to the CPLD control module through the signal acquisition interface circuit. The miss-seeding detection device has the advantages that precision miss-seeding detection, miss-seeding information quick treatment and miss-seeding alarming functions are realized in a seeding process of a seeding machine.

Description

technical field [0001] The invention relates to the technical field of agricultural machinery, in particular to a leak detection device suitable for large-scale automatic seeding machinery. Background technique [0002] The development of modern agriculture promotes the continuous development of automatic seeding machinery in the direction of precision, automation and informatization. Accurate detection, information processing and alarming of the seeding leakage of the seeder are a key technology for considering the mechanical performance of the seeder. During the sowing operation, due to the limitation of the mechanical structure of the seeder, the lack of seeds in the seeding box and the blockage of the seeding pipe caused by the untimely loading of the seeds, the leakage of sowing occurs from time to time. When this kind of situation occurs, if it cannot be discovered in time and replanted in time, it will delay the farming time and cause crop production reduction. [00...

Claims

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Application Information

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IPC IPC(8): A01C7/20
CPCA01C7/105
Inventor 赵艳华龚丽农岳丹松侯钦文王延耀尚书旗蒋金琳
Owner QINGDAO AGRI UNIV
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