CN203942803U - For detection of the device of grain yield - Google Patents
For detection of the device of grain yield Download PDFInfo
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- CN203942803U CN203942803U CN201420275495.4U CN201420275495U CN203942803U CN 203942803 U CN203942803 U CN 203942803U CN 201420275495 U CN201420275495 U CN 201420275495U CN 203942803 U CN203942803 U CN 203942803U
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Abstract
The utility model provides a kind of device for detection of grain yield, wherein, described device comprises: for detection of the first sensor of cereal flow, for detection of the second sensor of grain moisture, be used for the data acquisition module of the data that gather described first sensor and described the second sensor, be used for according to the processing module of the data acquisition grain harvest information of described data collecting module collected, for showing the client of described grain harvest information, described processing module connects respectively described data acquisition module and described client, described data acquisition module connects respectively described first sensor and described the second sensor.Said apparatus can be realized fast detecting grain yield, improves operating efficiency, and improves the accuracy of grain yield metering.
Description
Technical field
The utility model relates to grain yield detection technique, relates in particular to a kind of device for detection of grain yield.
Background technology
In the last few years, the research of " accurate agricultural " technology and be applied in developed country and obtained developing rapidly, and promoted practice and the industrialization process of series of agricultural machinery associated electrical information equipment technology.Combine (following abbreviation " grain header ") grain yield distribution information obtains technology and in precision agriculture technology, accounts for the extremely important status of tool.For this reason, grain yield metering system being installed on combine can facilitate peasant household and farmer to carry out access and the scheduling of output metering fast, grain warehouse-in and production information.
Grain yield metering method of the prior art can comprise: Weighing type, impulse type or photo-electric metering method.For instance, a kind of grain yield metering system that comprises force cell is disclosed in prior art, at the seed lift outlet of grain header, force cell is installed, cereal periodically clashes into force plate along guiding device, can measure cereal flow by force cell signal, obtain grain yield information.
But the factors such as the gradient in kind, changes in flow rate and the field of the vibration of grain header, cereal moisture percentage, cereal are very large on the certainty of measurement impact of force cell.Especially vibrate the error effect of force cell the most remarkable.
In addition, in prior art, do not consider domestic land structures and farming feature from external grain yield metering system, it cannot be applied to domestic combine; And the price of external grain yield metering system is very expensive, cannot large-scale promotion use.
Utility model content
The utility model provides a kind of device for detection of grain yield, realizes fast detecting grain yield, improves the accuracy of grain yield metering, and is applicable to domestic combine.
The utility model provides a kind of device for detection of grain yield, comprising:
For detection of the first sensor of cereal flow;
For detection of the second sensor of grain moisture;
Be used for the data acquisition module of the data that gather described first sensor and described the second sensor;
Be used for according to the processing module of the data acquisition grain harvest information of described data collecting module collected;
For showing the client of described grain harvest information;
Described processing module connects respectively described data acquisition module and described client, and described data acquisition module connects respectively described first sensor and described the second sensor.
Alternatively, described device also comprises:
The 3rd sensor that is used for the operating rate of the grain header that obtains described cereal, described the 3rd sensor connects described data acquisition module;
And/or
For obtaining the four-sensor of described grain header elevator operating rate, described four-sensor connects described data acquisition module.
Alternatively, described first sensor comprises:
Stressed plate, pressure sensor;
One end of described stressed plate is connected with the foil gauge of described pressure sensor.
Alternatively, described first sensor also comprises the signal condition unit for by millivolt level signal condition being volt level signal;
The input of described signal condition unit connects the output of described pressure sensor, and the output of described signal condition unit connects described data acquisition module.
Alternatively, described the 3rd sensor is Hall element;
Or described four-sensor is Hall element.
Alternatively, described data acquisition module is connected with described processing module by Controller Area Network BUS.
Alternatively, described data acquisition module comprises:
Power conversion unit, collecting sensor signal unit, AD conversion unit, clock-reset unit, controller local area network communication unit;
Described power conversion unit connects described collecting sensor signal unit, described AD conversion unit, described clock-reset unit and described controller local area network communication unit;
Described collecting sensor signal unit is connected with described AD conversion unit;
Described AD conversion unit is connected with described controller local area network communication unit;
Described controller local area network communication unit is connected with described clock-reset unit.
Alternatively, the built-in terminal that described client is touch-screen.
Alternatively, described processing module comprises:
Microprocessor, for storing the memory of described grain harvest information, for described grain harvest information being sent to the transmitter of monitor supervision platform;
Described microprocessor is connected with described memory, described transmitter respectively;
Described microprocessor respectively with described data acquisition module, described client connects.
As shown from the above technical solution, device for detection of grain yield of the present utility model, connect the first sensor that detects cereal flow by data acquisition module, detect the second sensor of grain moisture, and then by the grain stream value obtaining in first sensor and the second sensor with grain moisture value changes so that the harvesting information of cereal is identified and obtained to processing module, and then show grain harvest information by client, realize fast detecting grain yield, improve the accuracy of grain yield metering, in simultaneously can combine at home, large-scale promotion be used.
Brief description of the drawings
The structural representation of the device for detection of grain yield that Fig. 1 provides for the utility model one embodiment;
The structural representation of the device for detection of grain yield that Fig. 2 provides for another embodiment of the utility model;
Fig. 3 is the structural representation of the first sensor in Fig. 2;
Fig. 4 is the structural representation of data acquisition module in Fig. 2;
Fig. 5 is the schematic diagram of the displayable grain harvest information of client in Fig. 2;
Fig. 6 is the experimental result picture for detection of the device of grain yield in Fig. 2.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
The structural representation of the device for detection of grain yield that Fig. 1 provides for the utility model one embodiment, as shown in Figure 1, the device 10 for detection of grain yield of the present embodiment comprises: first sensor 11, the second sensor 12, data acquisition module 15, processing module 16 and client 17;
Wherein, first sensor 11 is for detection of cereal flow, the second sensor 12 is for detection of grain moisture, the data that data acquisition module 15 detects for gathering first sensor 11 and the second sensor 12, and data are converted to the data that processing module 16 can be identified, and the data after conversion are sent to processing module 16;
The data acquisition grain harvest information of processing module 16 for detecting according to first sensor 11 and the second sensor 12;
Client 17 shows for the grain harvest information that described processing module 16 is obtained, for user or peasant household's real time inspection of grain header, to grasp grain yield.
Be understood that, aforesaid first sensor 11 (being flow sensor) can be installed on the elevator top of grain header, the second sensor 12 (being humidity sensor) is installed on the elevator middle part of grain header, in the time that cereal rises with elevator, first detect grain moisture by the second sensor 12, then impact first sensor 11 on elevator top, the signal of exporting according to first sensor 11, obtains grain yield.
Thus, the above-mentioned device for detection of grain yield, connect and detect the first sensor of cereal flow, the second sensor of detection grain moisture by data acquisition module, and then by the cereal flow signal obtaining in first sensor and the second sensor with grain moisture signal changes so that grain harvest information is identified and obtained to processing module, and then show grain harvest information by client, realize fast detecting grain yield, improved the object of the accuracy of grain yield metering.
In concrete application process, the aforesaid device 10 for detection of grain yield also can comprise the 3rd sensor 13 of connection data acquisition module 15 and/or the four-sensor 14 of connection data acquisition module 15.As shown in Figure 2, the device for detection of grain yield in Fig. 2 comprises: the 3rd sensor 13 and four-sensor 14, wherein, the 3rd sensor 13 is for obtaining the operating rate of grain header of described cereal, and described the 3rd sensor 13 connects described data acquisition module; Four-sensor 14 is for obtaining the operating rate of elevator of described grain header, and described four-sensor 14 connects described data acquisition module 15.
In the present embodiment, the operating rate that adopts the 3rd sensor 13 to obtain grain header is estimated the output of cereal in real time accurately with the data of cooperation first sensor 11, and then improves the accuracy rate of grain yield metering.That is to say, the data that gather according to the 3rd sensor 13 can be known the harvesting area of grain header, and then estimate the grain yield that grain header is gathered in the crops.
Certainly,, for more accurately grain yield being measured, also need speed by elevator in grain header to know the capacity of granary in grain header, and then can estimate the grain yield that grain header is gathered in the crops.
In the present embodiment, the 3rd sensor 13 and four-sensor 14 can be Hall element.That is to say, it is that the 3rd sensor 13 is for measuring the operating rate of grain header that Hall element is set on the main shaft of grain header, the elevator activation point of grain header arrange another Hall element four-sensor 14 for measuring the operating rate of elevator rotating speed, realize Real-Time Monitoring combine gait of march and elevator rotating speed.That is to say, the 3rd sensor 13 is positioned on grain header main shaft, is mainly used in monitoring grain header gait of march; Four-sensor 14 is positioned at elevator activation point, is mainly used in monitoring elevator rotating speed.
In the present embodiment, as shown in Figure 2, described data acquisition module 15 is connected with described processing module 16 by controller local area network (Controller Area Network is called for short CAN) bus.
Processing module 16 in the present embodiment can comprise: microprocessor 161, memory 162 and transmitter 163;
Wherein, microprocessor 161, for storing the memory 162 of described grain harvest information, for described grain harvest information being sent to the transmitter 163 of monitor supervision platform;
Described microprocessor 161 is connected with described memory 162, described transmitter 163 respectively;
Described microprocessor 161 respectively with described data acquisition module 15, described client 17 connects.
Certainly, in concrete application, aforesaid processing module 16 also can comprise receiver 164 (not shown)s, this receiver 164 can receive the instruction that monitor supervision platform sends, so that microprocessor obtains described grain harvest information according to described instruction, or mutual according to described instruction and described monitor supervision platform.
Aforesaid processing module 16 can be one and has general packet radio service technology (General Packet Radio Service, be called for short GPRS), the communication equipment of RS232, CAN communication interface, carry out data interaction by CAN bus and data acquisition module 15.
In the present embodiment, processing module 16 is obtained grain harvest information according to the elevator rotary speed information of cereal flow, grain header gait of march, grain header etc., realizes access and the scheduling of the output metering fast of peasant household's cereal.
In the present embodiment, in the microprocessor of processing module 16, be built-in with conversion yield model, microprocessor is crossed conversion yield model by the information exchange of data acquisition module output and is converted, to obtain the quality information of grain harvest, and then show grain harvest information in client, for grain header user reference.
In concrete application, processing module 16 also can be passed through general packet radio service technology (General Packet Radio Service is called for short GPRS) and carry out data transmission with remote monitoring platform, realizes monitoring and management to grain yield.
In addition, Fig. 3 shows the structural representation of the first sensor in the present embodiment, and as shown in Figure 3, the first sensor 11 in the present embodiment comprises: stressed plate 111, pressure sensor 112;
One end of described stressed plate 111 is connected with the foil gauge 113 of described pressure sensor 112.
In concrete application, the range of pressure sensor 112 is 0～6kg, and pressure sensor 112 can be beam type pressure sensor, or pressure sensor 112 can adopt diplopore beam type structure.
Above-mentioned stressed plate 111 can adopt No. 45 steels standby, and then improves the intrinsic frequency of sense power link, reduce the possibility of damaging stressed plate 111 due to vibration overshoot, and No. 45 steel is wear-resisting, can prevent stressed plate 111 excessive wear in long-term use procedure.
First sensor 11 in the present embodiment can fast detecting grain yield, has alleviated the burden that peasant household's meter produces point grain, improves operating efficiency.
In concrete application process, described first sensor 11 also comprises signal condition unit 114 (not shown)s for by millivolt level signal condition being volt level signal;
The input of described signal condition unit 114 connects the output of described pressure sensor 112, and the output of described signal condition unit 114 connects described data acquisition module 15.
That is to say, the magnitude of the signal that above-mentioned pressure sensor 112 is exported is millivolt level, and data acquisition module 15 needs the magnitude of the signal gathering for lying prostrate level, for this reason, arrange millivolt level signal condition is the signal condition unit 114 of volt level signal, can directly gather volt level signal for data acquisition module 15, and then improve the operating efficiency of grain yield metering.Will be understood that, signal condition unit 114 is standard voltage signal by cereal flow from ultra-weak electronic signal conditioning.
Alternatively, Fig. 4 shows the structural representation of data acquisition module, as shown in Figure 4, described data acquisition module 15 comprises: power conversion unit 151, collecting sensor signal unit 152, AD conversion unit 153, clock-reset unit 154, controller local area network communication unit 155;
Described power conversion unit 151 is used to data acquisition module 15 that power supply is provided, for example power conversion unit 151 can connect described collecting sensor signal unit 152, described AD conversion unit 153, described clock-reset unit 154 and described controller local area network communication unit 155, and then is these unit power supplies;
Described collecting sensor signal unit 152 is connected with described AD conversion unit 153; The collecting sensor signal unit 152 of the present embodiment is for gathering the signal of aforesaid first sensor, the second sensor and the 3rd sensor, and by AD conversion unit 153, gathered signal is changed, and then by CAN communication unit, the signal after described conversion is sent to aforesaid microprocessor.
Described AD conversion unit 153 is connected with described controller local area network communication unit 155.Described controller local area network communication unit 155 is connected with clock-reset unit 154.The AD conversion unit 153 of the present embodiment is for analog signal is converted to data signal, so that microprocessor can identify, and then carries out later stage use.
It should be noted that aforesaid clock-reset unit can realize by programming.
That is to say, the data acquisition module 15 of the present embodiment be set up taking AVR single-chip microcomputer as core cell comprise power conversion unit 151, collecting sensor signal unit 152, AD conversion unit 153, clock-reset unit 154, CAN communication unit 155 etc., realized the supplemental characteristic such as output, ground velocity acquisition function, CAN communication function, interrupted processing capacity etc.Further, the data acquisition module in the present embodiment is realized the function of dustproof and waterproof by encapsulation process, has increased the reliability of its work.
In addition, the client 16 in the present embodiment can be the built-in terminal of touch-screen, as 7 cun of screen built-in terminals.The content that in the present embodiment, client 16 shows as shown in Figure 5, realizes man-machine interaction by touch-screen form, and it is easy to operate, can make peasant directly know grain harvest information.
Said apparatus can realize peasant household and farmer carries out access and the scheduling of output metering fast, grain warehouse-in and production information.
In addition, insider also tests the above-mentioned device for detection of grain yield, for example, has carried out the precision test experiment of each sensor performance confirmatory experiment and grain yield metering.According to experimental result, measuring accuracy and the error of the device for detection of grain yield to the present embodiment are analyzed, as shown in Figure 6.The grain yield error in dipping of the device for detection of grain yield shown in Fig. 6 is in ± 6%, and mean error can meet field reality of work needs.
Said apparatus can be applicable to domestic middle-size and small-size combine, is easily installed in dismounting, and human-computer interaction interface is Chinese environment, is convenient to user's operation.
Finally it should be noted that: above each embodiment, only in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of claim protection of the present utility model.
Claims (9)
1. for detection of a device for grain yield, it is characterized in that, comprising:
For detection of the first sensor of cereal flow;
For detection of the second sensor of grain moisture;
Be used for the data acquisition module of the data that gather described first sensor and described the second sensor;
Be used for according to the processing module of the data acquisition grain harvest information of described data collecting module collected;
For showing the client of described grain harvest information;
Described processing module connects respectively described data acquisition module and described client, and described data acquisition module connects respectively described first sensor and described the second sensor.
2. device according to claim 1, is characterized in that, described device also comprises:
The 3rd sensor that is used for the operating rate of the grain header that obtains described cereal, described the 3rd sensor connects described data acquisition module;
And/or,
For obtaining the four-sensor of described grain header elevator operating rate, described four-sensor connects described data acquisition module.
3. device according to claim 1, is characterized in that, described first sensor comprises: stressed plate and pressure sensor;
One end of described stressed plate is connected with the foil gauge of described pressure sensor.
4. device according to claim 3, is characterized in that, described first sensor also comprises the signal condition unit for by millivolt level signal condition being volt level signal;
The input of described signal condition unit connects the output of described pressure sensor, and the output of described signal condition unit connects described data acquisition module.
5. device according to claim 2, is characterized in that, described the 3rd sensor is Hall element;
Or described four-sensor is Hall element.
6. device according to claim 1, is characterized in that, described data acquisition module is connected with described processing module by Controller Area Network BUS.
7. device according to claim 1, is characterized in that, described data acquisition module comprises: power conversion unit, collecting sensor signal unit, AD conversion unit, clock-reset unit, controller local area network communication unit;
Described power conversion unit connects described collecting sensor signal unit, described AD conversion unit, described clock-reset unit and described controller local area network communication unit;
Described collecting sensor signal unit is connected with described AD conversion unit;
Described AD conversion unit is connected with described controller local area network communication unit;
Described controller local area network communication unit is connected with described clock-reset unit.
8. device according to claim 1, is characterized in that, the built-in terminal that described client is touch-screen.
9. according to the arbitrary described device of claim 1 to 8, it is characterized in that, described processing module comprises:
Microprocessor, for storing the memory of described grain harvest information, for described grain harvest information being sent to the transmitter of monitor supervision platform;
Described microprocessor is connected with described memory, described transmitter respectively;
Described microprocessor respectively with described data acquisition module, described client connects.
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| CN201420275495.4U CN203942803U (en) | 2014-05-27 | 2014-05-27 | For detection of the device of grain yield |
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| CN201420275495.4U CN203942803U (en) | 2014-05-27 | 2014-05-27 | For detection of the device of grain yield |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106508258A (en) * | 2016-10-11 | 2017-03-22 | 北京农业智能装备技术研究中心 | Photoelectric grain yield metering device |
| CN109655589A (en) * | 2019-01-25 | 2019-04-19 | 河南农业大学 | Experimental plot grain yield measuring device and measuring method |
| CN109900754A (en) * | 2019-04-17 | 2019-06-18 | 岭南师范学院 | A kind of veneer impulse type grain quality measuring system and its application method |
| CN110753491A (en) * | 2017-06-26 | 2020-02-04 | 株式会社久保田 | Harvesting machine |
| CN111802061A (en) * | 2019-04-10 | 2020-10-23 | 迪尔公司 | Machine control using real-time models |
| CN111903318A (en) * | 2020-08-24 | 2020-11-10 | 山东理工大学 | Method and system for monitoring yield of grain harvester |
-
2014
- 2014-05-27 CN CN201420275495.4U patent/CN203942803U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106508258A (en) * | 2016-10-11 | 2017-03-22 | 北京农业智能装备技术研究中心 | Photoelectric grain yield metering device |
| CN110753491A (en) * | 2017-06-26 | 2020-02-04 | 株式会社久保田 | Harvesting machine |
| CN109655589A (en) * | 2019-01-25 | 2019-04-19 | 河南农业大学 | Experimental plot grain yield measuring device and measuring method |
| CN111802061A (en) * | 2019-04-10 | 2020-10-23 | 迪尔公司 | Machine control using real-time models |
| CN111802061B (en) * | 2019-04-10 | 2023-09-26 | 迪尔公司 | Mechanical control using real-time models |
| CN109900754A (en) * | 2019-04-17 | 2019-06-18 | 岭南师范学院 | A kind of veneer impulse type grain quality measuring system and its application method |
| CN111903318A (en) * | 2020-08-24 | 2020-11-10 | 山东理工大学 | Method and system for monitoring yield of grain harvester |
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