CN2826487Y - Variable fertilizing control system - Google Patents
Variable fertilizing control system Download PDFInfo
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- CN2826487Y CN2826487Y CNU2005201062317U CN200520106231U CN2826487Y CN 2826487 Y CN2826487 Y CN 2826487Y CN U2005201062317 U CNU2005201062317 U CN U2005201062317U CN 200520106231 U CN200520106231 U CN 200520106231U CN 2826487 Y CN2826487 Y CN 2826487Y
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Abstract
The utility model relates to a variable fertilizing control system, which includes: a controller for controlling application rate; an epigyny computer, which is connected with the controller, for inputting information to the controller; a fertilizer mechanism; a hydraulic motor, which is connected with the fertilizer mechanism, for controlling fertilizer spreading rate of the fertilizer mechanism; a hydraulic valve, which is connected with the hydraulic motor, for controlling rotation speed of the hydraulic motor; a relay, which is connected with the hydraulic valve and the controller, for controlling degree of opening of the hydraulic valve. Thus, the variable fertilizing control system of the utility model realizes variable fertilizer control in field through simple structure and low cost.
Description
Technical field
The utility model relates to a kind of variable fertilization control system, the especially a kind of variable fertilization control system that can adjust rate of fertilizer application according to the required rate of fertilizer application in plot and fertilizer machinery gait of march in real time.
Background technology
Along with the modern agriculture science and technology development, scientific and rational fertilising is to keep soil nutrient abundance, equilibrium, the basic guarantee of crops growing way, stable yield.It is all the more so for large tracts of land is cultivated the farmland.Because the soil is wide, the soil property difference of different regions is bigger, and nutrient content also differs bigger in the soil, therefore, needs to adopt the equipment that can carry out variable fertilization according to soil quality, reaches the purpose of balance soil nutrient.
Existing variable fertilization machinery reaches the purpose of uniform broadcasting fertilizer mostly by the disk of rotation.The scope that chemical fertilizer broadcasts sowing reaches adjustment by the rotating speed of adjusting disk, generally the chemical fertilizer scope of broadcasting sowing is between 10-30 rice, variable fertilization machinery with this structure only is applicable to the operation of large tracts of land plot on the one hand, is that the manufacturing cost of machinery is higher on the other hand.
The control of variable-rate fertilization realizes by two kinds of approach, first kind is by utilizing the knob of artificial adjustment hydraulic control valve, flow by control hydraulic oil is realized variable fertilization, the mode of this kind control rate of fertilizer application is not considered the speed conditions of Work machine, under the situation that the Work machine pace changes, owing to do not take velocity feedback, rate of fertilizer application is still applied fertilizer according to predefined rate of fertilizer application, has caused plot fertilising quantity situation bigger than normal like this.Another is to realize variable fertilization according to the fertilising prescription map, and data interchanger of prescription map information via that this kind variable fertilization mode at first will be applied fertilizer figure will apply fertilizer information transmission to the fertilising controller through data exchange unit; Otherwise also having only by data exchange unit, the relevant information of fertilising controller just can be transferred to the control counter, the state that is provided with of data exchange unit also must be correct in addition, otherwise be difficult to realize the normal communication of host computer and controller, caused like this in the fertilising process the operation of total system difficulty relatively.The cost of total system is also very high in addition.
The utility model content
The purpose of this utility model is at the deficiency of existing variable fertilization control system, and a kind of variable fertilization control system is provided, and it is simple in structure and cost is lower.
For achieving the above object, the utility model provides a kind of variable fertilization control system, comprising: the controller of a control rate of fertilizer application; One host computer to the controller input information is connected with described controller; One fertilizer mechanism; The oil motor of the described fertilizer mechanism defertilizing amount of one control is connected with described fertilizer mechanism; The hydraulic valve of the described oil motor rotating speed of one control is connected with described oil motor; The relay of the described hydraulic valve aperture of one control is connected with controller with described hydraulic valve.
Described controller comprises: a CPU is connected with relay with described host computer; The keyboard of one input fertilizer information is connected with described CPU; One shows the display of current information, is connected with described CPU; One provides the power module of power supply, is connected with described CPU.
Described CPU also is connected with and is used for the radar sensor of measuring speed.Described CPU and oil motor also are connected with the sensor that is used to measure described oil motor rotating speed.Described CPU also is connected with the hummer of warning usefulness.Described CPU also is connected with flash memory and dynamic storage.Described CPU also is connected with serial ports and USB interface.Described host computer also is connected with GPS module and the Geographic Information System module that is used for locating.
Therefore, the utility model variable fertilization control system cost is very low, and structure is very simple.
Description of drawings
Fig. 1 is the structural representation of the utility model variable fertilization control system.
Fig. 2 is the structural representation of the controller of the utility model variable fertilization control system.
Fig. 3 is the circuit diagram of the utility model variable fertilization control system.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Embodiment
The utility model is to utilize the information of nutrient situation in plot and the travelling speed of agricultural machinery, and the rate of fertilizer application of control fertilizer apparatus realizes the variable fertilization control in plot.
As shown in Figure 1, be structural representation of the present utility model, controller 1 utilizes serial ports 18 to be connected with host computer 2, host computer 2 is connected with GPS module 7 and Geographic Information System (GIS) module 9, hydraulic valve 4 is connected with controller 1 by relay 3, adjust the aperture of hydraulic valve 4 by the control signal that relay 3 produces, thereby drive the rotating speed of the oil motor 5 that is connected with hydraulic valve 4, reach the defertilizing amount of controlling the fertilizer mechanism 6 that is connected with oil motor 5 gears.And controller 1 and oil motor 5 also are connected with the sensor 8 of the rotating speed of measuring oil motor 5.
As shown in Figure 2, be the structural representation of controller 1 of the present utility model.Comprise a CPU13, with the keyboard 19 that is connected with CPU13, display 11, power module 12, radar sensor 10, hummer 14, flash memory 15, dynamic storage 16, usb 17 and serial ports 18.And host computer 2, sensor 8 and relay 3 all are connected with CPU13.
It is the S3C44B0X of Samsung company that CPU adopts, and is the processor of ARM7 series, frequency of operation 66MHz, integrated 8KB cache, memory controller, lcd controller, 4 passage DMA, 2 passage UART, 1 passage I on the sheet
2C, 1 passage I
2Clock generator on S, 5 passage PWM timers, 1 channel interior timer, house dog, 8 path 10 position ADC, 71 universal I/O ports (multiplexing), the outer interrupt source of 8 passages, RTC and the sheet.Therefore have profuse and go up resource, nearly all chip-scale bus structure commonly used all have the corresponding hardware controller, and are very convenient when doing peripheral expansion.By extending out 2M flash memory 15, there is absolute space to download, extend out the dynamic storage (SDRAM) 16 of 8M, calling program is improved greatly than travelling speed on 51 series monolithics, and the high speed that can carry out data read and store.Keyboard 19 is the 1*4 keyboard, be used for importing the size that the plot needs rate of fertilizer application, display 11 is the LCD LCD, is equipped with to have the LCDs of various Presentation Functions, can adopt Chinese character, character, numeral and figure etc. to show the various status informations of agricultural machinery; Possess a plurality of light emitting diodes, different light emitting diodes is lighted and can be indicated fertilization system state at that time, can be used for showing the real-time rotating speed, contained with the gait of march of facility and instantaneous displacement of fertile amount or the like of size, the oil motor 5 of the rate of fertilizer application of this operation unit.Power module 12 is an AS1117 series power conversion chip, can provide the power supply that needs for system for carrying out level conversion between 5V system, 3V system and the 2.5V system.Radar sensor 10 can the contained travelling speed with facility of measuring system.
Referring to shown in Figure 3, be circuit theory diagrams of the present utility model, this variable fertilization controller main control circuit part is made up of RS232 interface, power conversion chip AS1117-5.0, AS1117-3.3 and AS1117-2.5 (required 5V, 3.3V and 2.5V voltage is provided respectively), phase inverter 74HC04D and the 74HC32D of S3C44B0X, flash storer SST39VF1601, dynamic storage HY57V641620, LCD liquid crystal display EG1147, SP3232EEA expansion; With two group relay group JZC-32f and DC-DC power transfer module DFA5-12S5; The software of S3C44B0X and inside thereof is as the control core of total system, storer SST39VF1601 links to each other with S3C44B0X with bank6 by bank0 respectively with HY57V641620, the RS232 serial ports is connected on the UART0 mouth of S3C44B0X by the SP3232EEA conversion chip, the digital signal of sensor is by external interrupt mouth ENT2, ENT3 inserts S3C44B0X, the control communication port of other chips all directly links to each other with S3C44B0X, and AS1117 series power conversion chip provides the power supply that needs for system.Adopt 32 ARM chip S3C44B0X as core processor in the circuit, expanded two serial ports, adopted 2 74HC04 chips to expand 34 road I/O (I/O) mouthfuls by level transferring chip SP3232EEA, wherein 20 road LCD ports of ARM chip are connected with display as the LCDs interface.As the control core of total system, its controls the tasks such as conversion, data storage and wire communication that read that each several part circuit is finished the data of the setting of parameter, sensor 8.14 road jtag ports link to each other with external emulator, make things convenient for system to carry out the high speed on-line debugging.
In use, native system is placed on the agricultural machinery and implement, divide two steps to use then, the phase one is manual keyboard input, and second step is for carrying out automatically.
In first stage, the size that needs rate of fertilizer application by keyboard 19 these plot of input, CPU13 handles this input signal amount, produce the aperture that control signal is adjusted hydraulic valve 4 by relay 3, thereby drive the rotating speed that oil motor 5 is controlled fertilizer mechanism 6, because the rotating speed of defertilizing amount and fertilizer mechanism 6 has certain corresponding relation, therefore the rotating speed by control fertilizer mechanism 6 just can reach the purpose of fertilising as required.The speed output of oil motor 5 is sent to CPU13 by speed probe 8 and forms FEEDBACK CONTROL.Because the rotating speed of fertilizer mechanism 6 and the pace of facility do not have direct corresponding relation, rotating speed one timing when fertilizer mechanism 6, the pace of facility can influence defertilizing amount, records the facility pace by radar speed sensor 10, is input to the apply fertilizer adjustment of discharge capacity of CPU13.After LCD display 12 drives through the lcd controller of CPU13 inside, can show the instantaneous displacement of real-time rotating speed, facility gait of march and fertilizer of rate of fertilizer application size, the oil motor 5 of this operation unit.Simultaneously, this display message also can show on host computer 2 in real time by serial ports 18.
Native system integrates total system by the rotating speed that control hydraulic pressure horse 5 reaches, and can realize manual control variable fertilising, directly by manual button input rate of fertilizer application signal triggering fertilising decision information.As need fertilising 300kg/hm2, then select corresponding key to get final product.Controller 1 can be exported control signal in conjunction with the agricultural machinery movement velocity according to this rate of fertilizer application, adjusts the size of oil motor 5 valves, thereby drives the rotating speed of fertilizer mechanism 6.Simultaneity factor is partly pacified at motor gear and is connect a speed probe 8, as the feedback quantity access controller, is used to revise the rotating speed of motor 5, makes it reach dynamic stability.
Second stage, controller 1 links to each other with host computer 2 by serial ports, host computer 2 receives the locating information of GPS module 7 and the fertilising decision information that Geographic Information System module (GIS) 9 is made, and has stored the farmland electronic chart, can judge the particular location of agricultural machinery in the farmland; Can will sow crop fertilizer demand and expertise combination according to the information of soil nutrient content, generate the required prescription map of using chemical fertilizer of this edaphic condition, and with this prescription map information and and information such as agricultural machinery position output to controller 1 by serial ports 18.The above-mentioned information that controller 1 processing host computer 2 sends is controlled the aperture of hydraulic valve 4, by adjusting the purpose that the fuel delivery size realizes controlling oil motor 5 rotating speeds, this rotating speed feeds back to CPU13 by sensor 8 detections compares with setting value, adjusts the dynamic stability that deviation realizes rotating speed.The pace of facility is linked among the CPU13 by radar speed sensor 10, as another input quantity of decision control signal.
Thus, the utility model is by simple structure, and cheap cost has been realized the variable fertilization control in plot.
It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the spirit and scope of technical solutions of the utility model.
Claims (8)
1, a kind of variable fertilization control system is characterized in that comprising:
The controller of one control rate of fertilizer application;
One host computer to the controller input information is connected with described controller;
One fertilizer mechanism;
The oil motor of the described fertilizer mechanism defertilizing amount of one control is connected with described fertilizer mechanism;
The hydraulic valve of the described oil motor rotating speed of one control is connected with described oil motor;
The relay of the described hydraulic valve aperture of one control is connected with controller with described hydraulic valve.
2, variable fertilization control system according to claim 1 is characterized in that described controller comprises:
One CPU is connected with relay with described host computer;
The keyboard of one input fertilising information is connected with described CPU;
One shows the display of current information, is connected with described CPU;
One provides the power module of power supply, is connected with described CPU.
3, variable fertilization control system according to claim 2 is characterized in that described CPU also is connected with to be used for the radar sensor of measuring speed.
4, variable fertilization control system according to claim 2 is characterized in that described CPU and oil motor also are connected with the sensor that is used to measure described oil motor rotating speed.
5, variable fertilization control system according to claim 2 is characterized in that described CPU also is connected with the hummer of warning usefulness.
6, variable fertilization control system according to claim 2 is characterized in that described CPU also is connected with flash memory and dynamic storage.
7, variable fertilization control system according to claim 2 is characterized in that described CPU also is connected with serial ports and USB interface.
8, variable fertilization control system according to claim 1 is characterized in that described host computer also is connected with GPS module and the Geographic Information System module that is used for locating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201062317U CN2826487Y (en) | 2005-08-25 | 2005-08-25 | Variable fertilizing control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201062317U CN2826487Y (en) | 2005-08-25 | 2005-08-25 | Variable fertilizing control system |
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| Publication Number | Publication Date |
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| CN2826487Y true CN2826487Y (en) | 2006-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2005201062317U Expired - Fee Related CN2826487Y (en) | 2005-08-25 | 2005-08-25 | Variable fertilizing control system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103092142A (en) * | 2011-11-03 | 2013-05-08 | 中国科学院合肥物质科学研究院 | Farmland fertility data collect and analysis system based on data mining |
| CN106416558A (en) * | 2015-08-11 | 2017-02-22 | 山东泉林纸业有限责任公司 | Method and device of controlling flow of liquid-state fertilizer |
| CN106444445A (en) * | 2016-09-30 | 2017-02-22 | 北京东方优国途科技有限公司 | Precise-control fertilization control system |
| CN108934319A (en) * | 2018-05-31 | 2018-12-07 | 重庆市农业机械化技术推广总站 | Full-automatic accurate fertilizing control system and control method |
| CN110612799A (en) * | 2019-04-19 | 2019-12-27 | 青岛农业大学 | Travel sensing-based walking and seed metering speed matching control system and method thereof |
-
2005
- 2005-08-25 CN CNU2005201062317U patent/CN2826487Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103092142A (en) * | 2011-11-03 | 2013-05-08 | 中国科学院合肥物质科学研究院 | Farmland fertility data collect and analysis system based on data mining |
| CN103092142B (en) * | 2011-11-03 | 2015-11-25 | 中国科学院合肥物质科学研究院 | Based on the farmland fertility data acquisition analysis system of data mining |
| CN106416558A (en) * | 2015-08-11 | 2017-02-22 | 山东泉林纸业有限责任公司 | Method and device of controlling flow of liquid-state fertilizer |
| CN106444445A (en) * | 2016-09-30 | 2017-02-22 | 北京东方优国途科技有限公司 | Precise-control fertilization control system |
| CN108934319A (en) * | 2018-05-31 | 2018-12-07 | 重庆市农业机械化技术推广总站 | Full-automatic accurate fertilizing control system and control method |
| CN108934319B (en) * | 2018-05-31 | 2021-11-02 | 重庆市农业机械化技术推广总站 | Full-automatic precision fertilization control system and control method |
| CN110612799A (en) * | 2019-04-19 | 2019-12-27 | 青岛农业大学 | Travel sensing-based walking and seed metering speed matching control system and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061011 Termination date: 20100825 |