CN104991524A - Simple controller applicable to human-computer interaction of numerical control machine tools - Google Patents
Simple controller applicable to human-computer interaction of numerical control machine tools Download PDFInfo
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- CN104991524A CN104991524A CN201510433950.8A CN201510433950A CN104991524A CN 104991524 A CN104991524 A CN 104991524A CN 201510433950 A CN201510433950 A CN 201510433950A CN 104991524 A CN104991524 A CN 104991524A
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- 230000003993 interaction Effects 0.000 title claims abstract description 16
- 238000004891 communication Methods 0.000 claims abstract description 26
- 238000002955 isolation Methods 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 241001269238 Data Species 0.000 claims description 3
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- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
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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
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/414—Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller
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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
- G05B2219/40—Robotics, robotics mapping to robotics vision
- G05B2219/40168—Simulated display of remote site, driven by operator interaction
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Abstract
The invention discloses a simple controller applicable to human-computer interaction of numerical control machine tools. The simple controller is a technologically improved invention in the field of industrial automation control and can be used in all machine tools adopting the numerical control systems of the DMG. The simple controller is mainly composed of a power supply unit, a communication unit, a control unit, and a display unit. Data interaction with all types of PLC systems is realized through six common I/O ports. A three-line serial data bus is defined, and LCD and LED display control is realized. An extendable RS232 serial bus is designed, which facilitates data storage and debugging. Through high-speed optical coupling isolation, the stability of signal reading is ensured. The problem that a controller is hard to generalize and high in cost, and has a complex communication system is solved effectively. The simple controller has very high use value.
Description
Technical field
The invention belongs to the technological improvement invention of field of industrial automation control, can be used in the lathe of all digital control systems of DMG.
Background technology
Traditional numeric-control machine duty and information inquiry need to be inquired about by special messenger in digital control system, and man-machine interaction is not directly perceived; Various bus communication is set up between various human-computer interactive control device and PLC, as set up Profibus bus communication with SIEMENS PLC, set up Modbus bus communication with Mitsubishi PLC, therefore controller is difficult to general, even if general, the problem also having that cost is high, communication system is complicated etc.;
The problems such as controller and LCD, LED display unit adopt parallel bus communication mostly, and it is many that existence takies controller resource, and line is complicated, and failure rate is high.
Summary of the invention
In order to overcome above-mentioned deficiency, the present invention proposes a kind of simple controller that can be used for numerically-controlled machine man-machine interaction.
Originally the simple controller that can be used for numerically-controlled machine man-machine interaction forms primarily of power supply unit, communication unit, control module and display unit.
Wherein power supply unit is made up of 12V, 5V voltage conversion chip; Communication unit is made up of six groups of light-coupled isolation chips and six groups of digital input signals; Control module is made up of singlechip chip, crystal oscillating circuit, reset circuit and SCI communication interface; The serial data bus that display unit is made up of three groups of digital output signals forms.
Power supply unit: be mainly used in providing various power supply signal to system.
Communication unit: be mainly used in the communication of setting up between PLC and controller.The data (lathe task and state) needing to transmit are sent to the light-coupled isolation chip of this controller by PLC by 6 groups of general digital quantity output interfaces, after light-coupled isolation, be sent to control module.In this controller, to define before 6 groups of digital quantity signals 3 groups is Status Information Frame, and latter 3 groups is Frame, as: 111001 current datas representing No. 7 status frames (111) are 1 (001); The current data of 001100 expression No. 1 status frames (001) is 4 (100), by that analogy.
Control module: for receiving the six circuit-switched data information that PLC is sent by light-coupled isolation chip, export the three circuit-switched data information controlled required for display unit, meanwhile, by SCI communication interface, the plc data received is sent to SCI receiver module (as PC) in real time.In this controller, the three circuit-switched data information that define are respectively: enable information, clock information and data message.Enable information is that low level represents that these data are effective, and the square-wave signal of clock information to be frequency be 1KHZ, data message is the concrete data that controller sends, and display unit reads this data when clock data is low level.
Display unit: send three-wire system serial data by reception control unit, in real time the data received are presented at LCD, LED screen.
Technique effect:
1. achieve the data interaction with all types PLC system by employing six universaling I/O ports;
2. define three-wire system serial data bus, achieve the display and control to LCD, LED;
3. devise extendible RS232 universal serial bus, facilitate storage and the debugging of data;
4. adopt high speed photo coupling isolation, ensure that signal-obtaining stability.
Accompanying drawing explanation
Fig. 1 is the composition structure of the simple controller that can be used for numerically-controlled machine man-machine interaction
Fig. 2 is power supply unit functional diagram
Fig. 3 is communication unit functional diagram
Fig. 4 is control module functional diagram
Fig. 5 is display unit functional diagram
Embodiment
Below embodiments of the invention are elaborated: the present embodiment is implemented under premised on technical solution of the present invention, give detailed embodiment and concrete operating process.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Below in conjunction with accompanying drawing, to embodiment further instruction.
The simple controller for numerically-controlled machine man-machine interaction that the present embodiment provides, as shown in Figure 1, forms primarily of power supply unit, communication unit, control module and display unit.Wherein power supply unit is made up of 12V, 5V voltage conversion chip; Communication unit is made up of six groups of light-coupled isolation chips and six groups of digital input signals; Control module is made up of singlechip chip, crystal oscillating circuit, reset circuit and SCI communication interface; The serial data bus that display unit is made up of three groups of digital output signals forms.
As shown in Figure 2, power supply unit is mainly used in providing various power supply signal to system, can realize the conversion between 24V, 12V, 5V voltage.
As shown in Figure 3, communication unit is mainly used in the communication of setting up between PLC and controller.The data (lathe task and state) needing to transmit are sent to the light-coupled isolation chip of this controller by PLC by 6 groups of general digital quantity output interfaces, after light-coupled isolation, be sent to control module.In this controller, to define before 6 groups of digital quantity signals 3 groups is Status Information Frame, and latter 3 groups is Frame, as: 111001 current datas representing No. 7 status frames (111) are 1 (001); The current data of 001100 expression No. 1 status frames (001) is 4 (100), by that analogy.
As shown in Figure 4, the six circuit-switched data information that control module is sent by light-coupled isolation chip for receiving PLC, export the three circuit-switched data information controlled required for display unit, meanwhile, by SCI communication interface, the plc data received is sent to SCI receiver module (as PC) in real time.In this controller, the three circuit-switched data information that define are respectively: enable information, clock information and data message.Enable information is that low level represents that these data are effective, and the square-wave signal of clock information to be frequency be 1KHZ, data message is the concrete data that controller sends, and display unit reads this data when clock data is low level.
As shown in Figure 5, display unit sends three-wire system serial data (enable information, all the time information, data message) by reception control unit, in real time the data received is presented at LCD, LED screen.
In the present embodiment:
The data interaction with all types PLC system is achieved by adopting six universaling I/O ports;
Define three-wire system serial data bus, achieve the display and control to LCD, LED;
Devise extendible RS232 universal serial bus, facilitate storage and the debugging of data;
Employing high speed photo coupling is isolated, and ensure that signal-obtaining stability
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (5)
1. for a simple controller for numerically-controlled machine man-machine interaction, it is characterized in that, form primarily of power supply unit, communication unit, control module and display unit.Power supply unit is made up of 12V, 5V voltage conversion chip; Communication unit is made up of six groups of light-coupled isolation chips and six groups of digital input signals; Control module is made up of singlechip chip, crystal oscillating circuit, reset circuit and SCI communication interface; The serial data bus that display unit is made up of three groups of digital output signals forms.
2. a kind of simple controller for numerically-controlled machine man-machine interaction according to claim 1, is characterized in that, described power supply unit is mainly used in providing various power supply signal to system, can realize the conversion between 24V, 12V, 5V voltage.
3. a kind of simple controller for numerically-controlled machine man-machine interaction according to claim 1, is characterized in that, described communication unit is mainly used in the communication of setting up between PLC and controller.The data (lathe task and state) needing to transmit are sent to the light-coupled isolation chip of this controller by PLC by 6 groups of general digital quantity output interfaces, after light-coupled isolation, be sent to control module.In this controller, to define before 6 groups of digital quantity signals 3 groups is Status Information Frame, and latter 3 groups is Frame, as: 111001 current datas representing No. 7 status frames (111) are 1 (001); The current data of 001100 expression No. 1 status frames (001) is 4 (100), by that analogy.
4. a kind of simple controller for numerically-controlled machine man-machine interaction according to claim 1, it is characterized in that, the six circuit-switched data information that described control module is sent by light-coupled isolation chip for receiving PLC, export the three circuit-switched data information controlled required for display unit, meanwhile, by SCI communication interface, the plc data received is sent to SCI receiver module (as PC) in real time.In this controller, the three circuit-switched data information that define are respectively: enable information, clock information and data message.Enable information is that low level represents that these data are effective, and the square-wave signal of clock information to be frequency be 1KHZ, data message is the concrete data that controller sends, and display unit reads this data when clock data is low level.
5. a kind of simple controller for numerically-controlled machine man-machine interaction according to claim 1, it is characterized in that, described display unit sends three-wire system serial data (enable information, all the time information, data message) by reception control unit, in real time the data received is presented at LCD, LED screen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510433950.8A CN104991524A (en) | 2015-07-21 | 2015-07-21 | Simple controller applicable to human-computer interaction of numerical control machine tools |
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| CN201510433950.8A CN104991524A (en) | 2015-07-21 | 2015-07-21 | Simple controller applicable to human-computer interaction of numerical control machine tools |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5946215A (en) * | 1996-01-23 | 1999-08-31 | Mitsubishi Denki Kabushiki Kaisha | Machine tool controlling network communication controlling system |
| JP2003186513A (en) * | 2002-10-25 | 2003-07-04 | Mitsubishi Electric Corp | Communication control method for operation board and remote i/o |
| CN1945480A (en) * | 2006-10-17 | 2007-04-11 | 南京科远自动化集团有限公司 | General industrial controller |
| CN101329570A (en) * | 2007-06-20 | 2008-12-24 | 沈阳高精数控技术有限公司 | Synchronous serial bus type numerical control system |
| CN201237732Y (en) * | 2008-07-07 | 2009-05-13 | 山东省计算中心 | Universal PLC principal controller module |
| CN101751012A (en) * | 2008-12-15 | 2010-06-23 | 安徽鑫龙电器股份有限公司 | Device and method for realizing communication of direct current cabinet and host computer based on communication supervisor |
| CN201965464U (en) * | 2011-01-13 | 2011-09-07 | 西门子公司 | Numerical control machine control panel and control system thereof |
| CN202141920U (en) * | 2011-04-29 | 2012-02-08 | 许继集团有限公司 | Monitoring system for numerical control machine |
| CN202383479U (en) * | 2011-11-14 | 2012-08-15 | 配天(安徽)电子技术有限公司 | Control system for numerical control machine tool |
| CN202486575U (en) * | 2012-03-22 | 2012-10-10 | 上海三一精机有限公司 | Numerical control machine tool control interface device using EtherCAT bus |
| CN204965140U (en) * | 2015-07-21 | 2016-01-13 | 上海新力机器厂 | Simple and easy controller that can be used to digit control machine tool human -computer interaction |
-
2015
- 2015-07-21 CN CN201510433950.8A patent/CN104991524A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5946215A (en) * | 1996-01-23 | 1999-08-31 | Mitsubishi Denki Kabushiki Kaisha | Machine tool controlling network communication controlling system |
| JP2003186513A (en) * | 2002-10-25 | 2003-07-04 | Mitsubishi Electric Corp | Communication control method for operation board and remote i/o |
| CN1945480A (en) * | 2006-10-17 | 2007-04-11 | 南京科远自动化集团有限公司 | General industrial controller |
| CN101329570A (en) * | 2007-06-20 | 2008-12-24 | 沈阳高精数控技术有限公司 | Synchronous serial bus type numerical control system |
| CN201237732Y (en) * | 2008-07-07 | 2009-05-13 | 山东省计算中心 | Universal PLC principal controller module |
| CN101751012A (en) * | 2008-12-15 | 2010-06-23 | 安徽鑫龙电器股份有限公司 | Device and method for realizing communication of direct current cabinet and host computer based on communication supervisor |
| CN201965464U (en) * | 2011-01-13 | 2011-09-07 | 西门子公司 | Numerical control machine control panel and control system thereof |
| CN202141920U (en) * | 2011-04-29 | 2012-02-08 | 许继集团有限公司 | Monitoring system for numerical control machine |
| CN202383479U (en) * | 2011-11-14 | 2012-08-15 | 配天(安徽)电子技术有限公司 | Control system for numerical control machine tool |
| CN202486575U (en) * | 2012-03-22 | 2012-10-10 | 上海三一精机有限公司 | Numerical control machine tool control interface device using EtherCAT bus |
| CN204965140U (en) * | 2015-07-21 | 2016-01-13 | 上海新力机器厂 | Simple and easy controller that can be used to digit control machine tool human -computer interaction |
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