CN202159243U - Monitoring module of engineering machinery monitoring system - Google Patents
Monitoring module of engineering machinery monitoring system Download PDFInfo
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- CN202159243U CN202159243U CN2011200899122U CN201120089912U CN202159243U CN 202159243 U CN202159243 U CN 202159243U CN 2011200899122 U CN2011200899122 U CN 2011200899122U CN 201120089912 U CN201120089912 U CN 201120089912U CN 202159243 U CN202159243 U CN 202159243U
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Abstract
The utility model provides a monitoring module of an engineering machinery monitoring system, belongs to the technical field of engineering machinery monitoring and control, and solves the problem that the present large-scale engineering machinery generally can not uniformly monitor corresponding sensors and actuators on the same equipment. A data receiving and storing module of the monitoring module stores acquired data in a memory space for a user program to call by performing filtering and identification to data uploaded by a CAN (Controller Area Network) bus; a data sending module packs a control command input by a user into a CAN data frame with an identification code, and periodically sends data to the CAN bus; a display and command input module checks operation conditions of the engineering machinery through the data acquired by the data receiving and storing module according to a user command, and sends the control command input by the user to the data sending module by changing states of interface controls; and a system parameter setting module sets a baud rate, a frame type and a filter in the process of communication according to the user command.
Description
Technical field
The utility model relates to a kind of monitoring module of engineering machinery supervisory system, belongs to engineering machinery and keeps watch on and the control technology field.
Background technology
Engineering machinery is human nature remodeling, utilizes the strongest instrument of nature, irreplaceable effect is all arranged in a lot of fields.PLC (Programmable Logic Controller; Programmable logic controller (PLC)) owing to have that reliability height, universal strong, cost are lower, software and hardware is easy to exploitation and characteristics such as the industry spot antijamming capability is strong, it is very extensive that it is used in fields such as Industry Control and engineering machinery.But along with the further raising of engineering machinery automaticity, the increasing of process information amount and the raising of manipulating object complexity, the sequential control ability that PLC was good at can't satisfy the requirement of the high-end product of big-and-middle-sized engineering machinery.
Along with the development of computing machine and microelectric technique, to adopt 32 bit CPU controllers be core and use higher level lanquages such as C, LabVIEW to programme and adopt the high-end large-scale engineering machinery control system of the real time operating system that improves control performance to become the development trend in engineering machinery control field.The control system of present existing large-scale engineering machinery is all very complicated; The duty parameter that needs respectively various sensors (for example Temperature Humidity Sensor, pressure transducer, displacement transducer, speed pickup etc.) to be gathered is monitored, and separately to each corresponding actuator transmitting control commands.Therefore, existing large-scale engineering machinery ubiquity can not be unified problem that corresponding sensor and actuator are monitored on same equipment.
Summary of the invention
The utility model can not be unified problem that corresponding sensor and actuator are monitored for solving at existing large-scale engineering machinery ubiquity on same equipment, proposed a kind of monitoring module of engineering machinery supervisory system, comprising:
Data Receiving and memory module are used for through the CAN bus being uploaded the filtering and the identification of data, in memory headroom, supply user program to call the data storage of gathering;
Data transmission blocks is used for the control command of user's input is packaged into the CAN Frame of subsidiary identification code, and periodically sends data to the CAN bus;
Show the and instruction load module, be used for checking the operating condition of engineering machinery according to user instruction and through the data of Data Receiving and memory module collection, and through the change of interface control state is sent the control command of user's input to data transmission blocks;
The system parameter setting module is used for being provided with according to user instruction baud rate, frame type and the wave filter of communication process.
The utility model is through passing through CAN bus image data with the work information of gathering; And check the operating condition of engineering machinery and change input of control commands according to user instruction, realized unified on same equipment corresponding sensor and actuator in the existing large-scale engineering machinery being detected and control.
Description of drawings
Fig. 1 is the structural representation that the monitoring module of the engineering machinery supervisory system that provides of the embodiment of the utility model is connected with the CAN bus.
Fig. 2 is the main control interface synoptic diagram of the monitoring module that provides of the embodiment of the utility model;
Fig. 3 is the detection system interface synoptic diagram of the monitoring module that provides of the embodiment of the utility model;
Fig. 4 is the control system switch control interface synoptic diagram of the monitoring module that provides of the embodiment of the utility model;
Fig. 5 is the control system stepless control interface synoptic diagram of the monitoring module that provides of the embodiment of the utility model;
Fig. 6 is the pwm signal frequency and the dutycycle control synoptic diagram of the monitoring module that provides of the embodiment of the utility model.
Embodiment
The embodiment of the utility model provides a kind of monitoring module of engineering machinery supervisory system; Comprise Data Receiving and memory module, data transmission blocks, demonstration and instruction load module and system parameter setting module; Corresponding Data Receiving and memory module are used for through the CAN bus being uploaded the filtering and the identification of data; In memory headroom, supply user program to call the data storage of gathering; Data transmission blocks is used for the control command of user's input is packaged into the CAN Frame of subsidiary identification code, and periodically sends data to the CAN bus; Show that the and instruction load module is used for checking the operating condition of engineering machinery according to user instruction and through the data of Data Receiving and memory module collection, and through the change of interface control state is sent the control command of user's input to data transmission blocks; The system parameter setting module is used for being provided with according to user instruction baud rate, frame type and the wave filter of communication process.The monitoring module of this project machinery supervisory system is used for through a separate equipment operating mode of large-scale engineering machinery being kept watch on and being controlled, and major function comprises: in testing process, realize reception, processing, demonstration and the storage of data; In control procedure, realize the output of pwm signal and switch controlling signal.Its cardinal principle is under the support of CAN bus; Read the duty parameter of large-scale engineering machinery through Data Receiving and memory module; And through showing that the and instruction load module keeps watch on and control; In the process of control, through data transmission blocks user instruction is sent to large-scale engineering machinery through the CAN bus, simultaneously can also be through the messaging parameter between setting of system parameter setting module and the large-scale engineering machinery.
For this technical scheme of clearer explanation, describe below in conjunction with Figure of description, as shown in Figure 1, the simulation table of this project machinery supervisory system specifically can comprise:
Data Receiving and memory module 1 are used for through the CAN bus being uploaded the filtering and the identification of data, in memory headroom, supply user program to call the data storage of gathering;
Show and instruction load module 3; Be used for checking the operating condition of engineering machinery according to user instruction and through the data that Data Receiving and memory module 1 are gathered, and through the change of interface control state is sent the control command of user's input to data transmission blocks 2; The change of interface control state comprises the change of Boolean quantity and the change of control successive value;
System parameter setting module 4 is used for being provided with according to user instruction baud rate, frame type and the wave filter of communication process.
Concrete; The monitoring module that this embodiment provides can be made up of base plate and EM9161 mainboard; Wherein EM9161 is an embedded main board, and mainly towards industrial automation, there is double contact pin the both sides of EM9161 mainboard; And on base plate, being provided with slot, the cooperation of EM9161 mainboard and base plate has constituted complete smart machine like this.The basic function of EM9161 base plate comprises that mainly various communication interfaces being provided, power module is provided according to the practical applications demand is main board power supply, expansion special circuit etc.; The design of base plate comprises the position that base plate size and interface are placed, and all should take into full account the actual demand of the product that is designed.Show that the and instruction load module can adopt the four-wire resistance type touch screen.
Monitoring module mainly triggers relative program through two timers (timer_Receive and timer_Send) within a certain period of time after program definition and memory allocated space, accomplish the transmission of round-robin data acquisition and control signal.In the time of 300ms, router is accomplished the assembling and the transmission of data, waits for the next arrival constantly that triggers; In the time of 10ms, the program of accepting receives a Frame, and comes the Frame that receives is carried out information sifting through the switch_case structure, and a data storage that collects is to the data space that defines; Timer timer_apply uses in the framework at each to be had; And the timing time that is provided with is 100ms; This means at 100ms in the time; The program that this timer triggers can arrive corresponding data space and take out data, and with showing in data textization and the text box on the interface.
In this embodiment, the mainboard that is adopted is supported the CAN EBI, and can realize the streaming driver (Stream Device Driver) based on Widows CE standard.Because C# does not support calling of static library, therefore on the basis of original can_api.lib interface function static library, encapsulate an Application of Interface com component based on CAN communication, satisfy the data transmit-receive requirement wrong of CAN communication interface with monitoring.The interface method function that this com component provides is more succinct and support calling of various development tools (like C# and LabVIEW etc.).The use of this assembly is also very convenient, only needs when bringing into use most, to register a sub-assembly, in application program, calls the function that corresponding D LL file just can be realized the interface method function.The com component of corresponding C AN communication interface provides five interface method functions: open CAN interface (StartCAN); To CAN interface write data (WriteCAN); From CAN interface reading of data (ReadCAN), fetch interface error code (GetErrorCode) and close CAN interface (StopCAN).After the CAN interface is opened by the StartCAN function; Can produce data thread of accepting and the thread that communicates fault processing; Data are accepted the generation of thread waits Data Receiving incident, and deposit buffer memory in, can data be called out from buffer memory through the read data function.With the CAN message of the standard frame of CAN bus communication totally 13 bytes, include the data content of eight bytes, the identification of data relies on is first three or preceding four bytes of every frame data, the 5th byte is used for store data.Program is through progressively extracting these Information signs, and the target data in the Frame reads and stores the most at last.
Only being the CAN module through the data that read from the CAN bus carries out the numeral between the 0-255 that 8 analogs to digital conversion obtain with the voltage signal that collects; Can not know the size of its corresponding physical value intuitively; Therefore; According to quantity corresponding relation between the magnitude of voltage that records of experiment and the digital quantity in the system debug process, draw scatter diagram, and carry out data fitting according to these diffusing dot informations and obtain fitting formula; Come coding according to these formula, digital quantity is reflected as measured physical quantity.
In view of the data content of being gathered is tree-like structure; And data volume is big; Can show corresponding duty parameter through the man-machine interface that comprises the multilayer tab as shown in Figure 2, be specially: the detection system of top layer and control system are told separately event to show the duty parameter of various engineering machinery; Detection system is as shown in Figure 3 can be divided into seven of hydraulic system, pneumatic system, power driven system, mechanical hook-up, cooling device, environmental parameter, image informations etc.; Control system is told two of switch control and stepless controls.More than several down segmentations successively again, comprise switch as shown in Figure 4 control interface, stepless control interface as shown in Figure 5 and pwm signal frequency and dutycycle control interface as shown in Figure 6, the parameter of all needs monitoring is included interior.But can find the corresponding monitoring page smoothly when considering operation, the rank of all tab all is no more than 5 grades.Can select for use GUI Design Studio software to design main interface, after running application, can eject the main control interface automatically.Can get into detection system respectively through this main interface carries out data and checks; Also but metering-in control system is operated each performer on the simulated experiment stand, opens or closes each switch valve or adjust pwm control signal and export the stepless control executive component is adjusted.In addition can also be through the parameters of " set " button adjustment CAN communication, as changing communication baud rate etc.Like this, the user just can detect and control corresponding sensor and actuator in the engineering machinery through the monitoring module that this embodiment provides.
The technical scheme that adopts this embodiment to provide; Through the work information of gathering is sent to the monitoring host computer through the CAN module; And according to the control command of duty parameter and user input propulsion system, gearing and the equipment of engineering machinery carried out control corresponding by the monitoring host computer; Can obtain the executing state of high-end large-scale engineering machinery intuitively, have characteristics less to the control operation difficulty of high-end large-scale engineering machinery and that can be in advance the result of high-end large-scale engineering machinery control operation be estimated.
The above; Be merely the preferable embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technician who is familiar with the present technique field is in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection domain of the utility model.Therefore, the protection domain of the utility model should be as the criterion with the protection domain of claims.
Claims (3)
1. the monitoring module of an engineering machinery supervisory system is characterized in that, comprising:
Data Receiving and memory module are used for through the CAN bus being uploaded the filtering and the identification of data, in memory headroom, supply user program to call the data storage of gathering;
Data transmission blocks is used for the control command of user's input is packaged into the CAN Frame of subsidiary identification code, and periodically sends data to the CAN bus;
Show the and instruction load module, be used for checking the operating condition of engineering machinery according to user instruction and through the data of Data Receiving and memory module collection, and through the change of interface control state is sent the control command of user's input to data transmission blocks;
The system parameter setting module is used for being provided with according to user instruction baud rate, frame type and the wave filter of communication process.
2. monitoring module according to claim 1 is characterized in that, said demonstration and instruction load module adopts the four-wire resistance type touch screen.
3. monitoring module according to claim 1 is characterized in that, the change of said interface control state comprises the change of Boolean quantity and the change of control successive value.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200899122U CN202159243U (en) | 2011-03-30 | 2011-03-30 | Monitoring module of engineering machinery monitoring system |
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| CN2011200899122U CN202159243U (en) | 2011-03-30 | 2011-03-30 | Monitoring module of engineering machinery monitoring system |
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| CN202159243U true CN202159243U (en) | 2012-03-07 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103744375A (en) * | 2013-12-25 | 2014-04-23 | 长城信息产业股份有限公司 | Distributed control apparatus and control method for weighing instrument of mixing plant |
| CN104156565A (en) * | 2014-07-21 | 2014-11-19 | 北京航天发射技术研究所 | System state analysis method and analysis device based on offline CAN bus data |
| CN104536746A (en) * | 2014-12-23 | 2015-04-22 | 惠州市亿能电子有限公司 | Software structure based on DLL |
| CN106023337A (en) * | 2016-06-02 | 2016-10-12 | 简式国际汽车设计（北京）有限公司 | Controller SD card information reading method and device based on CAN bus communication |
| CN106909327A (en) * | 2015-12-23 | 2017-06-30 | 研祥智能科技股份有限公司 | A kind of display control unit for industrial control equipment |
-
2011
- 2011-03-30 CN CN2011200899122U patent/CN202159243U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103744375A (en) * | 2013-12-25 | 2014-04-23 | 长城信息产业股份有限公司 | Distributed control apparatus and control method for weighing instrument of mixing plant |
| CN104156565A (en) * | 2014-07-21 | 2014-11-19 | 北京航天发射技术研究所 | System state analysis method and analysis device based on offline CAN bus data |
| CN104156565B (en) * | 2014-07-21 | 2018-08-24 | 北京航天发射技术研究所 | System mode analysis method based on offline CAN bus data and analytical equipment |
| CN104536746A (en) * | 2014-12-23 | 2015-04-22 | 惠州市亿能电子有限公司 | Software structure based on DLL |
| CN106909327A (en) * | 2015-12-23 | 2017-06-30 | 研祥智能科技股份有限公司 | A kind of display control unit for industrial control equipment |
| CN106023337A (en) * | 2016-06-02 | 2016-10-12 | 简式国际汽车设计（北京）有限公司 | Controller SD card information reading method and device based on CAN bus communication |
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| 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: 20120307 Termination date: 20130330 |