CN103453933A - Agricultural machine working parameter integrated monitoring platform and using method thereof - Google Patents
Agricultural machine working parameter integrated monitoring platform and using method thereof Download PDFInfo
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Abstract
The invention discloses an agricultural machine working parameter integrated monitoring platform and a using method thereof and belongs to the technical field of agricultural machine testing. A function node I, a function node II and a function node III...a function node n are connected with a main node through a CAN bus formed by a CANH line and a CANL line, and a terminal resistor I and a terminal resistor II are connected to the two ends of the CAN bus respectively in parallel. Working conditions of various type of agricultural machines can be monitored through the agricultural machine working parameter integrated monitoring platform, and the agricultural machine working parameter integrated monitoring platform has strong expansibility; modularization design is adopted in connection of various parts of the platform, therefore, the structure of the platform can be simplified, and working stability of the platform can be improved beneficially; the agricultural machine working parameter integrated monitoring platform is beneficial to monitoring working parameters of modern agriculture machines.
Description
Technical field
The invention belongs to the agricultural machinery technical field of measurement and test, relate in particular to integrated monitoring platform and using method that a kind of parameter of the several work to agricultural machinery is monitored.
Background technology
The quality that the job parameter of agricultural machinery in the process of operation and situation directly affect its operation.In order to guarantee the operation quality of agricultural machinery, need to be overall to facility in the agricultural mechanical operation process, and the core component performance parameter is carried out real-time monitoring.
At present, the existing relevant researchist of the agricultural machinery of part has developed special-purpose monitoring (or monitoring) system.The variable operation control system of for example, for variable fertilization, variable, spraying the variable operations such as medicine; Broadcast leakage monitoring system for the monitoring of seeder job status; For cropper parameter monitoring system of the operational situation of combined harvester etc.For scientific research institutions and research institution, each facility is all developed to a kind of supporting monitoring system, not only caused the waste of resource, the more important thing is at every turn and all need to carry out the design of monitoring system hardware and software, need to grow the cycle of exploitation.But of a great variety due to agricultural machinery, there is again larger difference in the topworks of different work machines, makes a monitoring system that contains all agricultural machinery and implement and is not easy to realize.
Summary of the invention
For the problems referred to above, the present invention proposes to use agricultural mechanical operation parametric synthesis monitoring platform and using method, in order to realize the monitoring of agricultural mechanical operation parameter.
Agricultural mechanical operation parametric synthesis monitoring platform of the present invention is comprised of host node A, functional node I B, functional node II C, functional node III D...... functional node nN, terminal resistance I 5, CANH line 6, CANL line 7 and terminal resistance II 8, CAN bus (the Controller Area Network that wherein functional node I B, functional node II C, functional node III D...... functional node nN and host node A form via CANH line 6 and CANL line 7, controller local area network) connect, terminal resistance I 5 and terminal resistance II 8 are parallel to respectively CAN bus two ends.
Described functional node I B is comprised of CAN interface II 9, microcontroller II 10, topworks's I 11 and sensor I 12, wherein topworks's I 11 is connected with microcontroller II 10 with sensor I 12, and microcontroller II 10 is connected with the CAN bus through CAN interface II 9.
Described functional node II C is comprised of CAN interface III 13, microcontroller III 14, topworks's II 15 and sensor II 16, wherein topworks's II 15 is connected with microcontroller III 14 with sensor II 16, and microcontroller III 14 is connected with the CAN bus through CAN interface III 13.
Described functional node III D is comprised of CAN interface IV 17, microcontroller IV 18, topworks's III 19 and sensor III 20, wherein topworks's III 19 is connected with microcontroller IV 18 with sensor III 20, and microcontroller IV 18 is connected with the CAN bus through CAN interface IV 17.
Described functional node nN is comprised of CAN interface n21, microcontroller n22, the n23 of topworks and sensor n24, and wherein the n22 of topworks is connected with microcontroller n22 with sensor n24, and microcontroller n22 is connected with the CAN bus through CAN interface n21.
Described functional node B-N is for realizing the particular job task.Described host node A is for the job information man-machine interaction.Between functional node B-N and host node A, by the CAN bus, be connected.
Described host node A is comprised of touch-screen 1, industrial computer 2 and microcontroller I 3, wherein touch-screen 1 is connected with industrial computer 2 by data line, industrial computer (2) is connected with microcontroller I (3), and microcontroller I (3) is connected with the CAN bus be comprised of with CANL line 7 CANH line 6 through CAN interface I 4.The monitoring facilities software that on described industrial computer 1, operation is write by configuration software, the job parameter initial work before can fulfiling assignment by configuration monitoring software.Show the job parameter information of work tool in operation process by configuration monitoring software in the process of facility operation.Monitoring of software not only has chart Presentation Function clearly and also has complete file storage capacity, can the critical data of job parameter be stored on industrial computer or movable storage device according to user's selection.
Described functional node (comprising: functional node I B, functional node II C, functional node III D...... functional node nN) by CAN interface, the functional node microcontroller of each functional node, realize the topworks of particular task and form for the sensor of information acquisition.Wherein topworks is connected with microcontroller with sensor, and microcontroller is connected with the CAN bus through the CAN interface.The CAN interface is comprised of CAN controller and CAN transceiver, and the CAN controller can be provided by the microcontroller with the CAN controller or be provided by CAN controller independently.Topworks and sensor are not that functional node is necessary, can increase according to the mission requirements of node or delete.
Described host node microcontroller I 3 is processed the information of being sent by each functional node on the CAN bus.Host node microcontroller I 3 is carried out the conversion of communications protocol after the information on the CAN bus is identified, and sends to afterwards industrial computer 2.
Carry out communication by the RS-232 agreement between described host node microcontroller I 3 and industrial computer 2.
Described touch-screen 1 is connected by data line with industrial computer 2.
Described terminal resistance I 5 and terminal resistance II 8 are parallel to the CAN bus be comprised of CANH line 6 and CANL line 7, and its resistance value is 120 Europe, in actual system, can carry out according to the concrete structure of system the coupling of resistance value.
The internodal CAN communication part of described system platform is used the communication modes that meets the ISO11783 agreement.
Between the host node A of described platform and functional node I B, functional node II C, functional node III D...... functional node nN when physical connection, adopt modular design, adopt wooden mode of accumulation to be combined into an integral body, locked by bindiny mechanism between each several part.
Use described agricultural mechanical operation parametric synthesis monitoring platform, when needs increase a new monitoring task, complete by following steps:
1. increase the hardware design of the functional node of monitoring task newly, will meet the composition requirement of functional node mentioned above when design;
2. increase the microcontroller software design of the functional node of monitoring task newly, when design, will guarantee that the CAN communication part meets the regulation of ISO11783 agreement;
3. add the observation interface for new task in configuration monitoring software;
4. add the driving code of new task observation interface in configuration monitoring software;
5. newly-designed functional node is articulated on the CAN bus of agricultural mechanical operation parametric synthesis monitoring platform;
6. new functional node and host node are debugged, revised, until meet the requirement of new monitoring task.
Agricultural mechanical operation parametric synthesis monitoring platform of the present invention and using method have the following advantages:
1. the discrete part of traditional simple function is become to comprehensive monitoring platform, a plurality of monitoring systems share a platform host node and carry out the demonstration of information, and and the user between man-machine interaction.When increasing new functional task, without the redesign of carrying out host node hardware, energy is focused on the functional node of realizing specific function;
2. monitoring platform has very strong extendability, all is easy to the expansion of implementation platform function when needs increase new functional task on hardware or software;
3. the monitoring of software of monitoring platform is used configuration software to write, and programming is simple, can alleviate the developer and spend in the time on design monitoring of software interface;
4. adopt modular design when platform host node and each functional node carry out physical connection, can effectively reduce the space occupied when platform is used, can strengthen the stability of working platform simultaneously.
The accompanying drawing explanation
The general frame figure that Fig. 1 is agricultural mechanical operation parametric synthesis monitoring platform
Fig. 2 is the physical connection mode schematic diagram between agricultural mechanical operation parametric synthesis monitoring platform node
Flow chart of steps when Fig. 3 is the newly-increased monitoring task of agricultural mechanical operation parametric synthesis monitoring platform
Wherein: A--host node B--functional node I C--functional node II D--functional node III N--functional node n1. touch-screen 2. industrial computer 3. microcontroller I 4.CAN interface I 5. terminal resistance I 6.CANH line 7.CANL line 8. terminal resistance II 9.CAN interface II 10. microcontroller II 11. topworks's I 12. sensor I 13.CAN interface III 14. microcontroller III 15. topworks's II 16. sensor II 17.CAN interface IV 18. microcontroller IV 19. topworks's III 20. sensor III 21.CAN interface n 22. microcontroller n 23. n of topworks 24. sensor n
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further explained.
Shown in Fig. 1, be the general frame figure of agricultural mechanical operation parametric synthesis monitoring platform of the present invention, the present invention is by host node A, functional node I B, functional node II C, functional node III D...... functional node nN, CANH line 6, CANL line 7, and terminal resistance I 5 and terminal resistance II 8 that the CAN bus network needs form.Described functional node is for realizing specific functional task, such as variable fertilization, broadcast leakage warning, the detection of facility operating speed etc.Functional node is by the CAN interface, and the functional node microcontroller is realized the topworks of particular task and forms for the sensor of information acquisition.The CAN interface is comprised of CAN controller and CAN transceiver, and the CAN controller can have the microcontroller with the CAN controller to provide or be provided by CAN controller independently.Functional node is connected on the system CAN bus by the CAN interface.Topworks and sensor are not that functional node is necessary, can increase according to the mission requirements of node or delete.Due to the otherness of functional node function, the kind of topworks and sensor has larger difference.
Described host node A forms by industrial computer 2, host node microcontroller I 3 with for the touch-screen 1 of information interaction.Host node A is for the man-machine interaction of job information.Before starting operation, the user can input by host node A the initialization information of operation, such as: the width of facility, the feature of speed pickup, the job parameter data of storing what type and the information such as path of storage.In the facility operation process, the touch-screen 1 that the information exchange of machinery operation parameter is crossed host node A is shown.Host node microcontroller I 3 is being monitored the information of transmitting on the CAN bus, while having functional node to send to the information of host node A on the CAN bus being detected, this information is read.Consider that most of industrial computer does not have the CAN interface, and all there is RS-232 interface.For guaranteeing the versatility of system, between host node microcontroller I 3 and industrial computer 2, by the RS-232 bus, be connected, use RS-232 agreement is carried out communication.Host node microcontroller I 3 is converted into by the information read the form that meets the RS-232 communications protocol, sends to industrial computer 2, and industrial computer 2 is processed the information received, and uses touch-screen 1 to be shown corresponding information.Simultaneously, according to user's selection, by some data, the mode with file stores on industrial computer 2 or movable storage device.
The monitoring of software that on described industrial computer 2, operation is write by configuration software, be easy to design directly perceived, succinct patterned observation interface by configuration software, is conducive to carry out alternately with the user.And configuration software has the simple characteristics of programming, is conducive to monitoring platform and carries out the new task expansion.Before the facility operation, can be by the fulfil assignment initial work of parameter of monitoring of software.The parameter information of work tool show operation process by monitoring of software in the process of facility operation in.
Mainly the fulfil assignment demonstration work of job parameter in the initialization of front job parameter and operation process of the host node A of agricultural mechanical operation parametric synthesis monitoring platform, do not do the real-time control task of particular task, control task has specific functional node B-N to complete.Adopt this project organization, following reason is arranged: the first, the general operating system (for example window) of industrial computer 2 operation, this system is not real-time operating system, can not guarantee the real-time of controlling.And the real-time that can accomplish control by the microcontroller of functional node; The second, complete real-time control by the microcontroller of functional node, can alleviate the burden of host node A, only fulfil assignment in facility operation process demonstration and the storage of parameter information of host node is just passable.
Described touch-screen 1 is connected to industrial computer 2 by data line, for input and the demonstration of information.There is no physical keyboard in system, by touch-screen 1 dummy keyboard, carry out input information.
Described terminal resistance I 5 and terminal resistance II 8 are that composition CAN network is necessary, and its resistance value is 120 Europe, and system can be carried out the coupling of resistance value in actual applications according to the concrete structure of system, make the CAN network be operated in optimum condition.
The internodal CAN communication part of system platform is used the communication modes that meets the ISO11783 agreement.29 ID labels of the message transmitted on the system CAN bus are all according to ISO11783 agreement regulation name, and this advantageously guarantees system when newly-increased task node and the compatibility of original system.
It shown in Fig. 2, is the physical connection mode schematic diagram between agricultural mechanical operation parametric synthesis monitoring platform node of the present invention, between the host node A of described platform and functional node B-N when physical connection, adopt modular design, adopt wooden mode of accumulation to be combined into an integral body, locked by bindiny mechanism between each several part.When which functional node of needs, this node is connected on platform, unwanted functional node is removed, can effectively reduce system volume, strengthen the stability of system.
Flow chart of steps while shown in Fig. 3 being the newly-increased monitoring task of agricultural mechanical operation parametric synthesis monitoring platform of the present invention.Use described agricultural mechanical operation parametric synthesis monitoring platform, when needs increase a new monitoring task, complete by following steps:
1. increase the hardware design of the functional node of monitoring task newly, will meet the composition requirement of functional node mentioned above when design;
2. increase the microcontroller software design of the functional node of monitoring task newly, when design, will guarantee that the CAN communication part meets the regulation of ISO11783 agreement;
3. add the observation interface for new task in configuration monitoring software;
4. add the driving code of new task observation interface in configuration monitoring software;
5. newly-designed functional node is articulated on the CAN bus of agricultural mechanical operation parametric synthesis monitoring platform;
6. new functional node and host node are debugged, revised until meet the requirement of new monitoring task.
Claims (9)
1. an agricultural mechanical operation parametric synthesis monitoring platform, it is characterized in that by host node (A), functional node I (B), functional node II (C), functional node III (D) ... functional node n (N), terminal resistance I (5), CANH line (6), CANL line (7) and terminal resistance II (8) form, functional node I (B) wherein, functional node II (C), functional node III (D) ... functional node n (N) is connected with the CAN bus that CANL line (7) forms via CANH line (6) with host node (A), terminal resistance I (5) and terminal resistance II (8) are parallel to respectively CAN bus two ends.
2. by agricultural mechanical operation parametric synthesis monitoring platform claimed in claim 1, it is characterized in that described host node (A) is comprised of touch-screen (1), industrial computer (2) and microcontroller I (3), wherein touch-screen (1) is connected with industrial computer (2) by data line, industrial computer (2) is connected with microcontroller I (3), microcontroller I (3) through CAN interface I (4) with by CANH line (6), with the CAN bus that CANL line (7) forms, be connected, carry out communication by the RS-232 agreement between microcontroller I (3) and industrial computer (2).
3. by agricultural mechanical operation parametric synthesis monitoring platform claimed in claim 1, it is characterized in that described functional node I (B) is comprised of CAN interface II (9), microcontroller II (10), topworks's I (11) and sensor I (12), wherein topworks's I (11) is connected with microcontroller II (10) with sensor I (12), and microcontroller II (10) is connected with the CAN bus through CAN interface II (9).
4. by agricultural mechanical operation parametric synthesis monitoring platform claimed in claim 1, it is characterized in that described functional node II (C) is comprised of CAN interface III (13), microcontroller III (14), topworks's II (15) and sensor II (16), wherein topworks's II (15) is connected with microcontroller III (14) with sensor II (16), and microcontroller III (14) is connected with the CAN bus through CAN interface III (13).
5. by agricultural mechanical operation parametric synthesis monitoring platform claimed in claim 1, it is characterized in that described functional node III (D) is comprised of CAN interface IV (17), microcontroller IV (18), topworks's III (19) and sensor III (20), wherein topworks's III (19) is connected with microcontroller IV (18) with sensor III (20), and microcontroller IV (18) is connected with the CAN bus through CAN interface IV (17).
6. by agricultural mechanical operation parametric synthesis monitoring platform claimed in claim 1, it is characterized in that described functional node n (N) is comprised of CAN interface n (21), microcontroller n (22), the n of topworks (23) and sensor n (24), wherein the n of topworks (22) is connected with microcontroller n (22) with sensor n (24), and microcontroller n (22) is connected with the CAN bus through CAN interface n (21).
7. by agricultural mechanical operation parametric synthesis monitoring platform claimed in claim 1, it is characterized in that the representative value of described terminal resistance I (5) and terminal resistance II (8) is 120 Europe.
8. by agricultural mechanical operation parametric synthesis monitoring platform claimed in claim 1, it is characterized in that described host node (A) and functional node I (B), functional node II (C), functional node III (D) ... adopt modular design between functional node n (N) when physical connection, adopt wooden mode of accumulation to be combined into an integral body, locked by bindiny mechanism between each several part.
9. by the using method of the described agricultural mechanical operation parametric synthesis of claim 1 monitoring platform, it is characterized in that by following steps, completing when the new monitoring task of one of needs increase:
9.1 increase the hardware design of the functional node of monitoring task newly, will meet the composition requirement of the described functional node of claim 3 when design;
9.2 increase the microcontroller software design of the functional node of monitoring task newly, when design, will guarantee that the CAN communication part meets the regulation of ISO11783 agreement;
9.3 add the observation interface for new task in configuration monitoring software;
9.4 add the driving code of new task observation interface in configuration monitoring software;
9.5 newly-designed functional node is articulated on the CAN bus of agricultural mechanical operation parametric synthesis monitoring platform;
9.6 new functional node and host node are debugged, revised, until meet the requirement of new monitoring task.
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| CN103941708A (en) * | 2014-05-09 | 2014-07-23 | 核工业理化工程研究院 | System and method for monitoring operation states of multiple rotating machines |
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| CN105302029A (en) * | 2015-11-18 | 2016-02-03 | 江苏省农业科学院 | Intelligent mobile operation control system and method for mini-tiller |
| CN105814552A (en) * | 2014-01-14 | 2016-07-27 | 迪尔公司 | Agronomic variation and team performance analysis |
| CN109752205A (en) * | 2019-02-01 | 2019-05-14 | 北京农业智能装备技术研究中心 | Planting with sowing machine quality evaluation device and method |
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Application publication date: 20131218 |