CN105259878A - Workshop site information acquisition system - Google Patents
Workshop site information acquisition system Download PDFInfo
- Publication number
- CN105259878A CN105259878A CN201510704334.1A CN201510704334A CN105259878A CN 105259878 A CN105259878 A CN 105259878A CN 201510704334 A CN201510704334 A CN 201510704334A CN 105259878 A CN105259878 A CN 105259878A
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- CN
- China
- Prior art keywords
- numerical control
- control device
- workstation
- information acquisition
- acquisition system
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/41865—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/32—Operator till task planning
- G05B2219/32252—Scheduling production, machining, job shop
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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
A workshop site information acquisition system comprises a switch, workstations, a server, and at least one DNC interface machine. Each DNC interface machine is correspondingly connected with one numerical control device, and is suitable for acquiring the current motion state information of the numerical control device in real time. The switch is connected with all the DNC interface machines, and is suitable for transmitting the current motion state information of the numerical control devices to the server and the workstations. The workstations are connected with the switch, and are suitable for conducting operation processing of the current motion state information of the numerical control devices. The server is connected with the switch, and is suitable for storing the current motion state information of the numerical control devices. According to the workshop site information acquisition system provided by the invention, a structure composed of a bus Ethernet and serial communication interfaces is adopted to acquire the workshop site information of serial numerical control devices.
Description
Technical field
The present invention relates to information acquiring technology field, particularly a kind of plant site information acquisition system.
Background technology
Along with the development of computer technology, the communication technology and Numeric Control Technology self, manufacture process relates to increasing manufacturing equipment, changeable technological factor, and thus it contains complex environment and status information.Realize the robotization of manufacture process, except the technology such as Systematical control, management, the information acquisition of manufacture process seems most important.Only have and adopt effective information acquiring technology, fully, in real time the various status informations in manufacture process, are obtained exactly, well realizes making and management effectively digging of manufacture process based on this, could improve the flexibility of whole system, robustness and troubleshooting capability.
Realize the core missions that dynamic dispatching is Workshop control system, some dynamic factors in system operation are considered as static by traditional dispatching method mostly, and therefore practicality is very poor.Along with going deep into of manufacturing systems engineering research, one of feedback of status characteristic characteristic becoming manufacturing system, in manufacturing system operational process, its output state such as product quality information and manufacturing recourses utilization obstacle always constantly feed back to the links of manufacture process, thus realize the continuous adjustment of manufacturing system, improvement and optimization.
In the research of current Shop floor control system, the feedback of field data has become a wherein requisite part, and its Main Function is for running status between production management department's monitoring car and analyzes workshop data.By finding the manufacturing system Controlling model research with feedback function, must consider the random uncertain factor of system in the structure of Shop floor control system, the product processed as equipment has qualified also has underproof, equipment to break down.The control system only can feeding back workshop actual motion state is timely and accurately quarried complete efficient system, could play a role in actual production.
Summary of the invention
Problem to be solved by this invention is to provide a kind of plant site information acquisition system, and the structure adopting bus-type Ethernet and serial communication interface to combine realizes the plant site information acquisition for serial ports numerical control device.
For solving the problem, the invention provides a kind of plant site information acquisition system, comprising switch, workstation, server and at least one DNC interface message processor (IMP); Every platform DNC interface message processor (IMP) correspondence connects a numerical control device, is suitable for the current motion state information of Real-time Obtaining numerical control device; Described switch is connected with every platform DNC interface message processor (IMP), is suitable for the current motion state information transmission of numerical control device to described server and described workstation; Described workstation is connected with described switch, is suitable for carrying out calculation process to the current motion state information of numerical control device; Described server is connected with described switch, is suitable for the current motion state information storing numerical control device.
Optionally, described workstation comprises MRP workstation, cutter workstation, CAM workstation, CAD Work Station and CAPP workstation.
Optionally, every platform DNC interface message processor (IMP) connects a numerical control device by RS232 interface correspondence.
Optionally, described plant site information acquisition system also comprises the ordinary terminal be connected with described switch.
Compared with prior art, the present invention has the following advantages:
Mostly plant site information acquisition system provided by the invention, be to be equipped with RS232 serial port for the numerical control device used at present, gathered the switching value of reflection lathe running status by the mode of adding hardware.The network structure of this system is divided into two-layer, and one deck is the communication in LAN (Local Area Network), belongs to the communication between computing machine and computing machine, and another layer is that node microcomputer communicates with digital control system.Employing LAN (Local Area Network) can overcome the two problems in serial communication in conjunction with point-to-point mode: according to different numerical control devices, arrange the correlation parameter of communication software in Node station, mask the isomerism of digital control system; Near every platform numerical control device, arrange a Node station, solve long distance information transmission problem.
Accompanying drawing explanation
Fig. 1 is the structural representation of the plant site information acquisition system of the embodiment of the present invention.
Embodiment
Relative to the communication between computing machine and computing machine, the gatherer process of numerical control device running status is more complex.In manufacturing digital plant management operational process, the duty of the various switching value I/O point of some automation equipment on-line monitorings can be adopted, reach the object gathering numerical control device running state information.The information acquisition of numerical control device and transmission method depend on DNC (DNC, the DistributedNumericalControl) interface itself provided.The digital control system multi-band that the nineties in 20th century, external Ge great numerical control device company produced has DNC communication interface, as long as be configured with corresponding interface software just can realize information collection function, only need set up information exchange platform at the receiving end of information.For the digital control system only with RS232 serial communication interface, its information transmission interface provided can only realize the transmission of numerical control program, cannot be realized the collection of information by this communication interface, needs exploitation DNC communication board to increase I/O controlling functions.The acquisition mode of equipment running status should be selected the demand of real-time information and the actual conditions of automation equipment according to administration and supervision authorities, and the communication function that can make full use of the device such as single-chip microcomputer and PLC realizes the automation collection of equipment running status.In most cases, till the service data of the equipment control system of only delivering to it or industrial computer.
Because the numerical control device great majority used at present are only furnished with RS232 serial port, so the present invention gathers the switching value of those reflection lathe running statuses by the mode of adding hardware.For the numerically-controlled machine with RS232 serial ports, low in line with cost, be easy to expand and principle easy for installation, and consider the distribution of each place of working at workshop, select bus-type Ethernet as the network topology structure of workshop information acquisition system.For realizing data collection and administration, each place of working all configures a node computer.Numerical control device is first connected with the computing machine in place of working with the form of point-to-point, computing machine is connected to LAN (Local Area Network) simultaneously and is connected with parent server to form complete system.
Below in conjunction with embodiment and accompanying drawing, to the detailed description further of the present invention's do, but embodiments of the present invention are not limited thereto.
Fig. 1 is the structural representation of the plant site information acquisition system of the embodiment of the present invention, and described plant site information acquisition system comprises switch 30, workstation, server 50 and at least one DNC interface message processor (IMP).Every platform DNC interface message processor (IMP) correspondence connects a numerical control device, and namely the quantity of DNC interface message processor (IMP) is equal with the quantity of numerical control device.In the present embodiment, for four numerical control devices: numerical control device 11 connects DNC interface message processor (IMP) 21; Numerical control device 12 connects DNC interface message processor (IMP) 22; Numerical control device 13 connects DNC interface message processor (IMP) 23; Numerical control device 14 connects DNC interface message processor (IMP) 24.Further, every platform DNC interface message processor (IMP) connects a numerical control device by RS232 interface correspondence, is suitable for the current motion state information of the numerical control device that Real-time Obtaining is attached thereto.Described switch 30 is connected with every platform DNC interface message processor (IMP), namely DNC interface message processor (IMP) 21, DNC interface message processor (IMP) 22, DNC interface message processor (IMP) 23 and DNC interface message processor (IMP) 24 are all connected with described switch, and described switch 30 is suitable for the current motion state information transmission of numerical control device to described server 50 and described workstation.Described workstation is connected with described switch 30, is suitable for carrying out calculation process to the current motion state information of numerical control device.According to the type of numerical control device, described workstation comprises MRP (MRP, MaterialRequirementPlanning) workstation 41, cutter workstation 42, computer-aided manufacturing (CAM, ComputerAidedManufacturing) workstation 43, computer-aided design (CAD) (CAD, ComputerAidedDesign) workstation 44 and Condition of Computer Aided Process Planning (CAPP, ComputerAidedProcessPlanning) workstation 45.Described server 50 is connected with described switch 30, is suitable for the current motion state information storing numerical control device.
In the present embodiment, described plant site information acquisition system can also comprise the ordinary terminal be connected with described switch 30.
The network structure of plant site information acquisition system provided by the invention is divided into two-layer, and one deck is the communication in LAN (Local Area Network), belongs to the communication between computing machine and computing machine, and another layer is that node microcomputer communicates with digital control system.Employing LAN (Local Area Network) can overcome the two problems in serial communication in conjunction with point-to-point mode: according to different numerical control devices, arrange the correlation parameter of communication software in Node station, mask the isomerism of digital control system; Near every platform numerical control device, arrange a Node station, solve long distance information transmission problem.
The above is only preferred embodiment of the present invention, and not do any pro forma restriction to the present invention, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present invention, all falls within protection scope of the present invention.
Claims (4)
1. a plant site information acquisition system, is characterized in that, comprises switch, workstation, server and at least one DNC interface message processor (IMP);
Every platform DNC interface message processor (IMP) correspondence connects a numerical control device, is suitable for the current motion state information of Real-time Obtaining numerical control device;
Described switch is connected with every platform DNC interface message processor (IMP), is suitable for the current motion state information transmission of numerical control device to described server and described workstation;
Described workstation is connected with described switch, is suitable for carrying out calculation process to the current motion state information of numerical control device;
Described server is connected with described switch, is suitable for the current motion state information storing numerical control device.
2. plant site information acquisition system according to claim 1, is characterized in that, described workstation comprises MRP workstation, cutter workstation, CAM workstation, CAD Work Station and CAPP workstation.
3. plant site information acquisition system according to claim 1, is characterized in that, every platform DNC interface message processor (IMP) connects a numerical control device by RS232 interface correspondence.
4. plant site information acquisition system according to claim 1, is characterized in that, also comprises the ordinary terminal be connected with described switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510704334.1A CN105259878A (en) | 2015-10-27 | 2015-10-27 | Workshop site information acquisition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510704334.1A CN105259878A (en) | 2015-10-27 | 2015-10-27 | Workshop site information acquisition system |
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| CN105259878A true CN105259878A (en) | 2016-01-20 |
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| CN201510704334.1A Pending CN105259878A (en) | 2015-10-27 | 2015-10-27 | Workshop site information acquisition system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105843203A (en) * | 2016-06-12 | 2016-08-10 | 连云港杰瑞深软科技有限公司 | Intelligent production line process monitoring system |
| CN108833408A (en) * | 2018-06-15 | 2018-11-16 | 杭州数途信息科技有限公司 | Centralized machine tool data acquires framework |
Citations (3)
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|---|---|---|---|---|
| CN102043394A (en) * | 2009-10-09 | 2011-05-04 | 卢健华 | Direct numerical control (DNC) information acquisition method |
| CN102662352A (en) * | 2012-05-29 | 2012-09-12 | 重庆大学 | System and method for automatically recording geometric parameters of numerical-control tools |
| CN103034205A (en) * | 2012-12-12 | 2013-04-10 | 济南大学 | Open-type numerical control system facing production line |
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2015
- 2015-10-27 CN CN201510704334.1A patent/CN105259878A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102043394A (en) * | 2009-10-09 | 2011-05-04 | 卢健华 | Direct numerical control (DNC) information acquisition method |
| CN102662352A (en) * | 2012-05-29 | 2012-09-12 | 重庆大学 | System and method for automatically recording geometric parameters of numerical-control tools |
| CN103034205A (en) * | 2012-12-12 | 2013-04-10 | 济南大学 | Open-type numerical control system facing production line |
Non-Patent Citations (1)
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| 吴文秀等: "基于工业以太网的数控机床网络控制系统", 《石油天然气学报(江汉石油学院学报)》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105843203A (en) * | 2016-06-12 | 2016-08-10 | 连云港杰瑞深软科技有限公司 | Intelligent production line process monitoring system |
| CN108833408A (en) * | 2018-06-15 | 2018-11-16 | 杭州数途信息科技有限公司 | Centralized machine tool data acquires framework |
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Application publication date: 20160120 |
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