CN104133447A - Engineering machine control system and engineering machine - Google Patents
Engineering machine control system and engineering machine Download PDFInfo
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- CN104133447A CN104133447A CN201410363925.2A CN201410363925A CN104133447A CN 104133447 A CN104133447 A CN 104133447A CN 201410363925 A CN201410363925 A CN 201410363925A CN 104133447 A CN104133447 A CN 104133447A
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- engineering machinery
- control system
- controller
- ethernet
- display terminal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses an engineering machine control system and an engineering machine, and relates to the field of engineering machines. The engineering machine control system comprises a display terminal and a plurality of controllers. Communication between the display terminal and the controllers and between the controllers is carried out by means of an industrial real-time Ethernet. The industrial real-time Ethernet adopted for the engineering machine control system has the advantage of being high in communication speed, so that the transmission speed and the load rate of the system are improved; the industrial real-time Ethernet can be compatible with Ethernet devices, so the system can keep good communication with common Ethernet devices, and communication capability of the system is improved.
Description
Technical field
The present invention relates to engineering machinery field, relate in particular to a kind of engineering machinery control system and engineering machinery based on Ethernet.
Background technology
At present, the control system in engineering machinery is mainly made up of display screen and controller and performance element, and the communication between controller is mainly realized by CAN (Controller Area Network, controller local area network) communication.Due to CAN bus and existing ethernet device incompatible, do not possess the interface being connected with Ethernet, a lot of network equipments in engineering machinery cannot be added in the middle of network, and CAN bus also exists communication data amount few, communication speed low (only having the soonest the speed of 1Mbps/s), real-time is general, and the shortcoming such as bus disturbing effect scope is wide, thereby has affected transmission speed and the load factor of system.
For the problems referred to above, existing engineering machinery control system transmission speed is slow and incompatible with ethernet device.
Summary of the invention
The problems referred to above that exist for existing engineering machinery control system, now provide a kind of and are intended to realize that transmission data are fast, engineering machinery control system and engineering machinery that can compatible ethernet device.
Concrete technical scheme is as follows:
A kind of engineering machinery control system, comprising: display terminal and a plurality of controller, described display terminal by and described controller between, and all adopt industrial real-time ethernet to communicate between described controller and described controller.
Preferably, described display terminal comprises:
Touching display screen, in order to receive touching signals, and operation display interface;
Processing unit, in order to connect described touching display screen, the touching signals sending in order to receive described touching display screen, is converted to control signal by described touching signals;
Ethernet fieldbus main website, connects described processing unit, in order to communicate by industrial real-time ethernet and described controller.
Preferably, described display terminal also comprises:
Storage unit, connects described processing unit, in order to the network service description document of storage industry real-time ethernet;
Described Ethernet fieldbus main website reads described network service description document, is configured by industrial real-time ethernet and described controller.
Preferably, described display terminal also comprises:
Driver element, connects described processing unit, in order to drive described Ethernet fieldbus main website;
Peripheral port, connects described processing unit, in order to be connected with external equipment.
Preferably, controller comprises:
Control module;
Communication unit, connects described control module, and the data that send according to described display terminal read the data of described control module, and send described data by industrial real-time ethernet Frame.
Preferably, described communication unit adopts slave station control chip.
Preferably, between described communication unit and described controller, adopt Serial Peripheral Interface (SPI) to communicate by letter.
Preferably, controller also comprises:
Performance element, connects described control module, makes respective response according to the control signal of described control module output.
Preferably, between described performance element and described control module, adopt IO interface communication.
A kind of engineering machinery, wherein, comprises described engineering machinery control system.
The beneficial effect of technique scheme:
1. industrial real-time ethernet has advantages of that communication speed is fast, has improved transmission speed and the load factor of system;
2. industrial real-time ethernet can compatible ethernet device, can keep good communicating by letter with common ethernet device, has improved the communication capacity of system.
Brief description of the drawings
Fig. 1 is the module map of a kind of embodiment of engineering machinery control system of the present invention.
In accompanying drawing: 1. display terminal; 11. peripheral port; 12. storage unit; 13. processing units; 14. Ethernet fieldbus main websites; 15. touching display screens; 16. driver elements; 2. controller; 21. communication units; 22. control modules; 23. performance elements.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, belongs to the scope of protection of the invention.
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the present invention can combine mutually.
Below in conjunction with the drawings and specific embodiments, the invention will be further described, but not as limiting to the invention.
As shown in Figure 1, a kind of engineering machinery control system, comprising: display terminal 1 and a plurality of controller 2, display terminal 1 by and controller 2 between, and all adopt industrial real-time ethernet to communicate between controller 2 and controller 2.
Adopt in the present embodiment industrial real-time ethernet to have advantages of that communication speed is fast, improved transmission speed and the load factor of system; And industrial real-time ethernet can compatible ethernet device, can keep good communicating by letter with common ethernet device, has improved compatibility and the communication capacity of engineering machinery control system.
In a preferred embodiment, display terminal 1 comprises:
Touching display screen 15, in order to receive touching signals, and operation display interface;
Processing unit 13, in order to connect touching display screen 15, the touching signals sending in order to receive touching display screen 15, is converted to control signal by touching signals;
Ethernet fieldbus (Ethernet for Control Automation Technology is called for short EtherCAT) main website, connects processing unit 13, in order to communicate by industrial real-time ethernet and controller 2.
Display terminal 1 in the present embodiment adopts main core board based on WinCE system as master chip, the WinCE system of carrying, in display terminal 1, be provided with engineering machinery user interface, having realized Ethernet fieldbus main website 14 unites two into one with engineering machinery display screen, save hardware cost, and improved system information comprehensive treatment capability; EtherCAT main website provides the interface of each peripheral hardware of system, has integrated system communication platform, has eliminated the barrier of multi-interface communication; Adopt Ethernet as communication media, for remote wire communication provides technical feasibility.Between display terminal 1 and controller 2, communicated by letter by EtherCAT, EtherCAT main website has replaced existing CAN bus as the communication backbone of system, has greatly improved communication efficiency, has improved the communication capacity of system and has reduced cost.Further processing unit 13 can adopt arm processor, and arm processor cost is low, and arithmetic capability is high, and dirigibility is good; Also can adopt monitoring software, be responsible for man-machine interaction, the data that controller 2 is transmitted are carried out visual demonstration, and operating personnel's operation are converted to the steering order of engineering machinery, carry out control work.
EtherCAT network uses master slave mode medium access control, and main website sends ethernet frame to each slave station, slave station extracted data or by data data inserting frame from Frame.From the angle of Ethernet, an EtherCAT network segment can be regarded as an independently ethernet device simply, should " equipment " be made up of multiple EtherCAT slave stations, receives and send Ethernet message.These slave stations can directly be processed the message of reception, and extract or insert relevant user data from message, then message transmissions are arrived to next EtherCAT slave station.When frame is gone over by slave station transmission, identify related command from standing-meeting, and process.This process be from station control 2 by hard-wired, therefore irrelevant with Real-time running system or the processor performance of protocol stack software.Last slave station is beamed back the message of processing through completely, and sends to main website by first slave station as response message.
In a preferred embodiment, display terminal 1 also comprises: storage unit 12, and storage unit 12 connects processing unit 13, in order to the network service description document of storage industry real-time ethernet; Ethernet fieldbus main website 14 reads network service description document, is configured by industrial real-time ethernet and controller 2.
The exploitation of EtherCAT main website is in the present embodiment to use the sample code that provides of ETG association to carry out the development sample of EtherCAT protocol stack, be mainly to carry out according to the actual requirements network service description document (XML) actual disposition in application aspect, thereby realized the communication between system.
In a preferred embodiment, display terminal 1 also comprises: driver element 16 and peripheral port 11, and driver element 16 connects processing unit 13, in order to drive Ethernet fieldbus main website 14; Peripheral port 11 connects processing unit 13, in order to be connected with external equipment.
Driver element 16 can carry out independent development according to the technical requirement of the model of network interface card and EtherCAT in the present embodiment, and peripheral port 11 makes system can connect other external equipments, has improved the compatibility of system.
In a preferred embodiment, controller 2 comprises: control module 22 and communication unit 21, and communication unit 21 connection control units 22, the data that send according to display terminal 1 read the data of control module 22, and send data by industrial real-time ethernet Frame.
Control module 22 can adopt 32 automotive grade main control chip MCU in the present embodiment, and control module 22 is centralized control units 22 of engineering machinery, is mainly responsible for the control function of device.Further, controller 2 can leave two networking mouths,, makes can carry out the connection of Industrial Ethernet between engineering machinery, thereby can realize remote communication from station interface as topology, has solved the problem that in the past uses CAN bus to connect at a distance.
In a preferred embodiment, communication unit 21 can adopt slave station control chip (EtherCAT Slave Controller is called for short ESC) as EtherCAT slave station.
In a preferred embodiment, between communication unit and controller 2, adopt Serial Peripheral Interface (SPI) (Serial Peripheral Interface is called for short SPI) communication.SPI interface can make MCU and multiple peripherals communicate with exchange message with serial mode, has improved the compatibility of system.
In a preferred embodiment, controller 2 also comprises: performance element 23, and performance element 23 connection control units 22, the control signal of exporting according to control module 22 is made respective response.Further, performance element 23 can be sensor or other actuating units.
Controller 2 in a preferred embodiment, between performance element 23 and control module 22, adopts IO interface communication, so that can connect other equipment.
Based on above-described embodiment, the principle of work of engineering machinery control system is:
Storage unit 12 stores network service description document, reads for EtherCAT main website.After display terminal 1 start, user only can touch operation interface, i.e. configuration software interface, and system has realized the startup of EtherCAT main website and has read network service description document and carry out the configuration of slave station on backstage.In addition, the driving of each Peripheral Interface of controller 2 also, after backstage starts, is read desired data by the interface that reads EtherCAT main website and provide.Slave station reads the data of MCU by SPI, and is sent to main website by EtherCAT Frame, thereby has realized the communication of whole system.
In technical scheme of the present invention, also comprise a kind of engineering machinery comprise above-mentioned in arbitrary described engineering machinery control system.
The foregoing is only preferred embodiment of the present invention; not thereby limit embodiments of the present invention and protection domain; to those skilled in the art; the scheme that being equal to of should recognizing that all utilizations instructions of the present invention and diagramatic content done replaces and apparent variation obtains, all should be included in protection scope of the present invention.
Claims (10)
1. an engineering machinery control system, is characterized in that, comprising: display terminal and a plurality of controller, described display terminal by and described controller between, and all adopt industrial real-time ethernet to communicate between described controller and described controller.
2. engineering machinery control system as claimed in claim 1, is characterized in that, described display terminal comprises:
Touching display screen, in order to receive touching signals, and operation display interface;
Processing unit, in order to connect described touching display screen, the touching signals sending in order to receive described touching display screen, is converted to control signal by described touching signals;
Ethernet fieldbus main website, connects described processing unit, in order to communicate by industrial real-time ethernet and described controller.
3. engineering machinery control system as claimed in claim 2, is characterized in that, described display terminal also comprises:
Storage unit, connects described processing unit, in order to the network service description document of storage industry real-time ethernet;
Described Ethernet fieldbus main website reads described network service description document, is configured by industrial real-time ethernet and described controller.
4. engineering machinery control system as claimed in claim 2, is characterized in that, described display terminal also comprises:
Driver element, connects described processing unit, in order to drive described Ethernet fieldbus main website;
Peripheral port, connects described processing unit, in order to be connected with external equipment.
5. engineering machinery control system as claimed in claim 1, is characterized in that, controller comprises:
Control module;
Communication unit, connects described control module, and the data that send according to described display terminal read the data of described control module, and send described data by industrial real-time ethernet Frame.
6. engineering machinery control system as claimed in claim 5, is characterized in that, described communication unit adopts slave station control chip.
7. engineering machinery control system as claimed in claim 5, is characterized in that, between described communication unit and described controller, adopts Serial Peripheral Interface (SPI) to communicate by letter.
8. engineering machinery control system as claimed in claim 5, is characterized in that, controller also comprises:
Performance element, connects described control module, makes respective response according to the control signal of described control module output.
9. engineering machinery control system as claimed in claim 8, is characterized in that, between described performance element and described control module, adopts IO interface communication.
10. an engineering machinery, is characterized in that, comprising: arbitrary described engineering machinery control system in claim 1-9.
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| CN201410363925.2A CN104133447A (en) | 2014-07-28 | 2014-07-28 | Engineering machine control system and engineering machine |
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| CN201410363925.2A CN104133447A (en) | 2014-07-28 | 2014-07-28 | Engineering machine control system and engineering machine |
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| CN107942900A (en) * | 2017-11-14 | 2018-04-20 | 中南民族大学 | Co-extrusion film blowing machine group human-computer interactive control system based on ethernet communication |
| CN108363322A (en) * | 2018-03-05 | 2018-08-03 | 湖南盈峰国创智能科技有限公司 | Engineering machinery control module, work machine control system and method |
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Application publication date: 20141105 |