CN1695420A - System for measuring yield of stored grain based on single chip nicrocemputer and electric tray - Google Patents
System for measuring yield of stored grain based on single chip nicrocemputer and electric tray Download PDFInfo
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- CN1695420A CN1695420A CN 200510027056 CN200510027056A CN1695420A CN 1695420 A CN1695420 A CN 1695420A CN 200510027056 CN200510027056 CN 200510027056 CN 200510027056 A CN200510027056 A CN 200510027056A CN 1695420 A CN1695420 A CN 1695420A
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Abstract
A grains yield estimating system based on single-chip microprocessor and disc storage is composed of speed sensor for measuring the speed of harvester, impulsive yield sensor for real-time measuring the yield of grains, capacitor-type humidity sensor for measuring the humidity of grains, harvesting branch state sensor, GPS module, disc storage module and master controller.
Description
Technical field
The present invention relates to a kind of grain yield on-line measurement device, specifically be meant a kind of cereal system for measuring yield that is installed on the combine based on single-chip microcomputer and electric board storage.Belong to the measurement mechanism technical field.
Background technology
In agricultural production practice, because the difference of situations such as each location point place soil fertility, irrigation, damage by disease and insect, the output in a same field distributes often also inhomogeneous.But traditional agricultural cultivating mode has generally been ignored this phenomenon, and uniform of application in the monoblock farmland, irrigation, spray medicine make that the local consumption of fertilizer deficiency is still not enough; And the local fertilizing amount of nutrient abundance too much not only can not all be absorbed by crop, also can cause soil acidification and environmental pollution.Precision agriculture is a kind of novel advanced practice of agronomy system that forms 21 century, its target is to carry out at the actual variance in the farmland to treat with a certain discrimination, with input and the energy consumption of optimizing various goods and materials, when improving the agricultural production economic benefit to greatest extent, avoid as far as possible or than the of low pollution natural environment, to guarantee the sustainable development of agricultural.Reach this target, the accurate system for measuring yield that obtains output distributional difference information one of the key link that is absolutely necessary, i.e. the crop yield data of regional area in the piece of field can be accurately measured in requirement.Also require easy as far as possible easy-to-use, the economically feasible of this system for measuring yield simultaneously.
Find by prior art documents, Chinese patent application number: 200310117204.5, title: " a kind of combine grain yield traffic monitor method and device ", this device pushes away conveyer, LOAD CELLS and car-mounted computer by drive unit, spiral to be formed, and pushes away conveyer by the rack-mounted spiral of level grain is delivered to silo.LOAD CELLS is equipped with at the two ends that spiral pushes away conveyer, and the signal that LOAD CELLS is recorded obtains grain yield after integrated.This is a kind of corn mass flow sensor of the mode of weighing, but because the quality of sensor device own is bigger, very responsive to dynamic excitations such as combine frame vibration, the acceleration of advancing.And the field when travelling the ground injustice can cause the inclination of the various directions of combine frame, can cause LOAD CELLS output to take place equally than mistake.In addition, this surveillance is installed relatively difficulty owing to needs add reasons such as drive unit, volume are bigger on combine.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, a kind of cereal system for measuring yield based on single-chip microcomputer and electric board storage is provided, by adopt single-chip microcomputer as master controller, adopt big capacity electric board to do the data storage, make it have the characteristics such as reliable, cost and energy consumption are low of using.It is installed on the grain combine, each sensor is gathered the information such as output, humidity in field in real time in the harvesting process, mate fusion with the residing longitude of synchronization grain header, latitude information again, can draw the production information in each location point place subrange, also can obtain to gather in the gross area and accumulative total gross yield simultaneously, these data all are stored in the electric board, just can generate the agricultural production that output figure instructs next year through suitably handling.
The present invention is achieved by the following technical solutions, the present invention includes: single-chip microcomputer is that master controller, velocity sensor, output sensor, humidity sensor, ceding of Taiwan state sensor, the GPS (global positioning system) of core accepts module, electric board memory module, power supply, control box, shielded conductor.Its annexation is: master controller and electric board memory module and power supply outward appearance are double-deck pcb board, are fixed on the inside of control box by the insulation screw, and control box is arranged in the driver's cabin of grain header; Velocity sensor adopts noncontact Hall element formula sensor, be arranged on during use on the grain header wheel, by analytical unit in the time wheel revolutions convert and obtain grain header speed of travel value, and link to each other with master controller by shielded conductor; Impulse type output sensor is arranged on the cereal lifter exit on the grain header silo, links to each other the real-time online measuring grain yield with master controller by shielded conductor; Capacitance type humidity sensor is arranged in the silo equally, links to each other with master controller by shielded conductor, measures cereal humidity; Ceding of Taiwan state sensor is fixed in the ceding of Taiwan, links to each other with master controller through shielded conductor, and the carrying out of judging the harvesting operation by the monitoring taiwan cut off and landing whether; GPS accepts module and is fixed on grain header driver's cabin top, links to each other with master controller by shielded conductor, accepts satellite positioning signal, obtains warp, the latitude data of grain header present position.Master controller collection fusion velocity sensor, output sensor, humidity sensor, ceding of Taiwan state sensor, GPS accept the output distributed data that module by signal calculates crop in the regional area, and be sent to the electric board memory module, the electric board memory module receives the data that master controller sends, and form is stored in the electric board in accordance with regulations.
The present invention works under the uniform dispatching of master controller.Ceding of Taiwan state sensor is responsible for monitoring the harvester header jacking condition as the logic switch of system works, falls and begins to gather in operation if ceding of Taiwan state sensor detects the ceding of Taiwan, then signals to master controller, and reporting system begins data acquisition; Lift and then notify master controller to stop data acquisition if instead detect the ceding of Taiwan, enter wait state.Velocity sensor is scaled gait of march by back that the grain header wheel revolutions is added up by master controller, and multiplying each other with ceding of Taiwan width is converted into the harvesting area again.And the output sensor and the humidity sensor that are arranged on cereal lifter exit on the grain header silo are responsible for gathering in real time grain quality and the humidity that enters silo, related data is after shielded conductor is delivered to master controller, through promptly obtaining yield data accurately with harvesting area coupling computing.Because it is high a lot of that the gait of march of the relative grain header of sample frequency of system is wanted, so can obtain the desired accurate lattice-shaped production information of precision agriculture.Production information mates GPS again accepts the satellite positioning coordinate that module is obtained, and can draw out the output distribution map.Master controller is gathered each sensor signal on one side and is obtained above-mentioned data and information, data be delivered in electric board memory module preserve on one side.Can take off electric board easily after harvesting finishes, carry out deep processing so that data are changed over to calculator.
Advantage of the present invention is: the control core of complete machine is made up of chip microprocessor, and simple in structure, antijamming capability is strong, and the reliability height is easy for operation.Electric board storage data can avoid hard disk etc. to have the anti-seismic problem of mechanical movement member class memory, and power consumption reduces greatly, and memory capacity is big, speed is fast.Sensor is equipped with rationally, only gathers and information such as the closely-related speed of output, output and humidity, has both reduced the system handles burden, can not sacrifice acquisition precision again.Velocity sensor adopts measuring car wheel revolution mode to convert, and mode costs such as relative radar velocity measurement greatly reduce, and precision can satisfy accurate demand fully.Be suitable for precision agriculture output distributed intelligence collection.
The present invention has realized the real-time online measuring of grain yield data, produces device for the enforcement of precision agriculture provides a kind of effective and feasible survey.Owing to adopted SCM system and electric board storage, cost and energy consumption are all very low, and the reliability height, and be easy to use simultaneously, satisfied characteristics and requirement that precision agriculture is produced.
Description of drawings
Fig. 1 is provided with schematic diagram for the present invention on grain header;
Fig. 2 is a structured flowchart of the present invention;
Fig. 3 is a master controller structured flowchart of the present invention;
Fig. 4 is an electric board memory module configuration block diagram of the present invention.
Embodiment
As Fig. 1, shown in Figure 2, the present invention includes: single-chip microcomputer is the master controller 1 of core, velocity sensor 2, output sensor 3, humidity sensor 4, ceding of Taiwan state sensor 5, GPS accepts module 6, electric board memory module 7, power supply 8, control box 9, shielded conductor 10, its annexation is: single-chip microcomputer is that the master controller 1 that constitutes of core and electric board memory module 7 and power supply 8 outward appearances are double-deck pcb board, be fixed on the inside of control box 9 by the insulation screw, control box 9 is arranged in the driver's cabin of grain header, velocity sensor 2 is arranged on the grain header wheel, by analytical unit in the time wheel revolutions convert and to obtain grain header speed of travel value; Impulse type output sensor 3 is arranged on the cereal lifter exit on the grain header silo, real-time online measuring grain yield; Capacitance type humidity sensor 4 is arranged in the silo equally, measures cereal humidity; Ceding of Taiwan state sensor 5 is fixed in the ceding of Taiwan, and the carrying out of judging the harvesting operation by the monitoring taiwan cut off and landing whether; GPS accepts module 6 and is fixed on grain header driver's cabin top, accepts satellite positioning signal, obtains warp, the latitude data of grain header present position; Each sensor and GPS accept module 6 and link to each other with master controller 1 by shielded conductor 10 with electric board memory module 7, master controller 1 collection fusion velocity sensor 2, output sensor 3, humidity sensor 4, ceding of Taiwan state sensor 5, GPS accept the output distributed data that module 6 calculated signals go out crop in the regional area, and be sent to electric board memory module 7, electric board memory module 7 receives the data that master controller 1 sends, and form is stored in the electric board in accordance with regulations.
Velocity sensor 2 adopts noncontact Hall element formula sensor.Impulse type output sensor 3 adopts the interception based on the diplopore parallel girder to refer to the formula cereal flow transducer.Humidity sensor 4 adopts condenser type cereal humidity sensor.Ceding of Taiwan state sensor 5 adopts near switch perception ceding of Taiwan state.
As shown in Figure 3, master controller 1 is made up of one chip microcontroller 11, program storage 12, data storage 13, serial ports 16,17, AD modular converter 18, button 14 and display screen 15, they are articulated on one 8 bit data bus independently of one another, intercom mutually by microcontroller 11.
As shown in Figure 4, electric board memory module 7 comprises one chip microcontroller 19, expansion I/O mouth 20, ide interface 21 and erasable formula electric board 22.Equally, they also are articulated on one 8 bit data bus independently of one another and then form a subsystem, and one chip microcontroller 19 is by serial ports 17 and master controller 1 mutual swap data in this subsystem.
When the present invention uses, at first carry out man-machine interaction, can take this to change the every system setting in the master controller 1, and can in operation process subsequently, come information such as observing system duty and real-time output whereby by button 14 and display screen 15.Harvesting during operation system's start that powers on enter wait state, puts down when the ceding of Taiwan and trigger ceding of Taiwan state sensor 5 when gathering in operation, and through the master controller 1 of lead 10 with the signal transmission, reporting system begins to carry out data acquisition.Along with the operation of grain header walking, velocity sensor 2 is counting wheel rotational pulses constantly, send master controller 1 to after photoelectricity is isolated, by master controller 1 according to demarcating the revolution that obtains and actual range in advance than the speed of travel V that calculates in the unit interval; Harvesting area S=VL in obtaining sometime by grain header speed of travel V and ceding of Taiwan width L then; Simultaneously, output sensor 3 is arranged on seed elevator exit, grain header silo top, be responsible for the uninterrupted corn mass flow data that enter silo of gathering, the grain stream of coming out from the seed elevator acts on capable signal of corresponding electric current of impulse type output sensor 3 generations, be delivered to AD modular converter 18 through lead, be transformed to master controller 1 and can receive data signal; Humidity sensor 4 is gathered the corn wet degrees of data h that enters the grain cabin, is delivered to AD modular converter 18 through lead equally, is transformed to master controller 1 and can receives data signal; The grain quality information m that master controller 1 calculates according to the output of output sensor 3 in conjunction with harvesting area S=VL, passes through humidity compensate, the output in the regional area then again
Just measured (k is a correction factor, obtains by the proportionate relationship demarcation of calculating measured value and weighing value during actual the use) here.Master controller 1 obtains GPS by serial line interface 16 and accepts the latitude and longitude information that module 6 receives, and output and the latitude and longitude information that calculates this moment merged, and has just formed the output distributed data at this some place.When harvesting finished, the ceding of Taiwan was risen, and ceding of Taiwan state sensor 5 reporting system immediately stops data collection task, enters wait state once more.
Behind the output distributed data of master controller 1 in obtaining certain location point regional area, pass to electric board memory module 7 by serial ports 17.After electric board memory module 7 receives the yield data that master controller 1 transmits, be converted to by microcontroller 19 and be fit to the electric board formats stored and be transferred to preservation electric board 22 in through expansion I/O mouth 20 and ide interface 21.
Power supply 8 is responsible for whole system reliable and stable dc source is provided, and being included as master controller 1 and electric board memory module 7 provides the 5V dc source, provides 24V dc source for each sensor.
Whole system is easy to use, and cost is low, and reliability and precision height can satisfy the precision agriculture yield data and gather demand.
Claims (9)
1, a kind of cereal system for measuring yield based on single-chip microcomputer and electric board storage, comprise: power supply (8), shielded conductor (10), GPS accepts module (6), it is characterized in that, also comprise: single-chip microcomputer is the master controller (1) of core, velocity sensor (2), output sensor (3), humidity sensor (4), ceding of Taiwan state sensor (5), electric board memory module (7), control box (9), single-chip microcomputer is the master controller (1) and the electric board memory module (7) of core, power supply (8) is fixed on the inside of control box (9), control box (9) is arranged in the driver's cabin of grain header, velocity sensor (2) is arranged on the grain header wheel, by analytical unit in the time wheel revolutions convert and to obtain grain header speed of travel value; Impulse type output sensor (3) is arranged on the cereal lifter exit on the grain header silo, real-time online measuring grain yield; Capacitance type humidity sensor (4) is arranged in the silo equally, measures cereal humidity; Ceding of Taiwan state sensor (5) is fixed in the ceding of Taiwan, and the carrying out of judging the harvesting operation by the monitoring taiwan cut off and landing whether; GPS accepts module (6) and is fixed on grain header driver's cabin top, accepts satellite positioning signal, obtains warp, the latitude data of grain header present position; Each sensor and GPS accept module (6) and link to each other with master controller (1) by shielded conductor (10) with electric board memory module (7), master controller (1) passes through data/address bus linker memory (12) by the one chip microcontroller, data storage (13), serial ports (16,17), AD modular converter (18), button (14) and display screen (15) are formed, they are articulated on one 8 bit data bus independently of one another, intercom mutually by microcontroller (11), electric board memory module (7) is by one chip microcontroller (19), expansion I/O mouth (20), ide interface (21) and erasable formula electric board (22) are formed, they are connected to integral body and then form a subsystem by one 8 bit data bus, one chip microcontroller (19) is by serial ports (17) and the mutual swap data of master controller (1) in this subsystem, the calculated signals that master controller (1) collection each sensor of fusion and GPS accept module (6) goes out the output distributed data of crop in the regional area, and be sent to electric board memory module (7), electric board memory module (7) receives the data that master controller (1) sends, and form is stored in the electric board in accordance with regulations.
2, intelligent system for measuring yield based on remote data transmission according to claim 1, it is characterized in that, AD modular converter (18) is transformed to master controller (1) with sensor signal can receive data signal, behind the output distributed data of master controller (1) in obtaining certain location point regional area, pass to electric board memory module (7) by serial ports (17), after electric board memory module (7) receives the yield data that master controller (1) transmits, be converted to by microcontroller (19) and be fit to the electric board formats stored and be transferred to preservation in the erasable formula electric board (22) through expansion I/O mouth (20) and ide interface (21).
3, the cereal system for measuring yield based on single-chip microcomputer and electric board storage according to claim 1, it is characterized in that, master controller (1) carries out man-machine interaction by button (14) and display screen (15), take this to change the every system setting in the master controller (1), and in operation process subsequently, come observing system duty and real-time production information whereby.
4, the cereal system for measuring yield based on single-chip microcomputer and electric board storage according to claim 1 is characterized in that, velocity sensor (2) adopts noncontact Hall element formula sensor.
5, the intelligent system for measuring yield based on remote data transmission according to claim 1 is characterized in that, impulse type output sensor (3) adopts the interception based on the diplopore parallel girder to refer to the formula cereal flow transducer.
According to claim 1 or 2 described intelligent system for measuring yield, it is characterized in that 6, humidity sensor (4) adopts condenser type cereal humidity sensor based on remote data transmission.
7, the intelligent system for measuring yield based on remote data transmission according to claim 1 is characterized in that, ceding of Taiwan state sensor (5) adopts near switch perception ceding of Taiwan state.
8, the intelligent system for measuring yield based on remote data transmission according to claim 1, it is characterized in that, power supply (8) is responsible for whole system reliable and stable dc source is provided, and being included as master controller (1) and electric board memory module (7) provides the 5V dc source, provides 24V dc source for each sensor.
9, the intelligent system for measuring yield based on remote data transmission according to claim 1 is characterized in that, master controller (1) and electric board memory module (7) and power supply (8) outward appearance are double-deck pcb board, is fixed on the inside of control box (9) by the insulation screw.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200510027056 CN1695420A (en) | 2005-06-23 | 2005-06-23 | System for measuring yield of stored grain based on single chip nicrocemputer and electric tray |
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| CN 200510027056 CN1695420A (en) | 2005-06-23 | 2005-06-23 | System for measuring yield of stored grain based on single chip nicrocemputer and electric tray |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102379189A (en) * | 2010-08-31 | 2012-03-21 | 中国农业机械化科学研究院 | Grain yield distribution information measurement method and device |
| CN102445233A (en) * | 2011-09-27 | 2012-05-09 | 南京工业职业技术学院 | System for measuring corn yield in real time based on working path |
| CN106198885A (en) * | 2016-08-10 | 2016-12-07 | 江苏大学 | A kind of Combine Harvester Grain water content on-line testing device and method |
| CN106679717A (en) * | 2016-08-28 | 2017-05-17 | 山东北斗华宸导航技术有限公司 | Beidou single antenna-based crop yield and humidity distribution measurement device and yield and humidity measuring measurement thereof |
| US10055781B2 (en) | 2015-06-05 | 2018-08-21 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
| CN109963457A (en) * | 2016-11-15 | 2019-07-02 | 洋马株式会社 | Output distribotion computing device and output distribotion calculation method |
| US10909607B2 (en) | 2015-06-05 | 2021-02-02 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
| CN113207416A (en) * | 2021-05-08 | 2021-08-06 | 中国农业机械化科学研究院 | Method for detecting grain bin yield of combine harvester based on ultrasonic waves |
| CN113748945A (en) * | 2021-09-09 | 2021-12-07 | 青岛农业大学 | Fine yield measurement method and system for potato crops |
| CN114902860A (en) * | 2022-05-26 | 2022-08-16 | 潍柴雷沃重工股份有限公司 | Harvester output monitoring system and harvester |
| CN116235687A (en) * | 2022-12-29 | 2023-06-09 | 吉林大学 | Remote network harvester yield measurement system and yield measurement method thereof |
| CN116235687B (en) * | 2022-12-29 | 2024-05-17 | 吉林大学 | Remote network harvester yield measurement system and yield measurement method thereof |
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2005
- 2005-06-23 CN CN 200510027056 patent/CN1695420A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102379189B (en) * | 2010-08-31 | 2013-06-26 | 中国农业机械化科学研究院 | Grain yield distribution information measurement method and device |
| CN102379189A (en) * | 2010-08-31 | 2012-03-21 | 中国农业机械化科学研究院 | Grain yield distribution information measurement method and device |
| CN102445233A (en) * | 2011-09-27 | 2012-05-09 | 南京工业职业技术学院 | System for measuring corn yield in real time based on working path |
| US10909607B2 (en) | 2015-06-05 | 2021-02-02 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
| US10055781B2 (en) | 2015-06-05 | 2018-08-21 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
| CN106198885A (en) * | 2016-08-10 | 2016-12-07 | 江苏大学 | A kind of Combine Harvester Grain water content on-line testing device and method |
| CN106198885B (en) * | 2016-08-10 | 2019-04-30 | 江苏大学 | A kind of Combine Harvester Grain water content on-line testing device and method |
| CN106679717A (en) * | 2016-08-28 | 2017-05-17 | 山东北斗华宸导航技术有限公司 | Beidou single antenna-based crop yield and humidity distribution measurement device and yield and humidity measuring measurement thereof |
| CN109963457A (en) * | 2016-11-15 | 2019-07-02 | 洋马株式会社 | Output distribotion computing device and output distribotion calculation method |
| CN109963457B (en) * | 2016-11-15 | 2021-11-12 | 洋马动力科技有限公司 | Yield distribution calculation device and yield distribution calculation method |
| CN113207416A (en) * | 2021-05-08 | 2021-08-06 | 中国农业机械化科学研究院 | Method for detecting grain bin yield of combine harvester based on ultrasonic waves |
| CN113748945A (en) * | 2021-09-09 | 2021-12-07 | 青岛农业大学 | Fine yield measurement method and system for potato crops |
| CN113748945B (en) * | 2021-09-09 | 2023-02-07 | 青岛农业大学 | Fine yield measurement method and system for potato crops |
| CN114902860A (en) * | 2022-05-26 | 2022-08-16 | 潍柴雷沃重工股份有限公司 | Harvester output monitoring system and harvester |
| CN116235687A (en) * | 2022-12-29 | 2023-06-09 | 吉林大学 | Remote network harvester yield measurement system and yield measurement method thereof |
| CN116235687B (en) * | 2022-12-29 | 2024-05-17 | 吉林大学 | Remote network harvester yield measurement system and yield measurement method thereof |
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