The utility model content
The motion control signal between the CNC motion controller and servo-drive controller need cause signal to disturb big and the bad problem of synchronous effect with velocity simulate signal wire or pulse signal-line transmission in the prior art in order to solve, and a kind of integrated digital controlled system is provided.
The utility model provides a kind of integrated digital controlled system, comprises the housing that electromagnetic radiation source is played shielding action, is provided with power module, control module, driver module, display module and I/O module in the said housing;
Said power module is that said control module and said driver module provide power supply;
Said control module is connected with said driver module, I/O module and display module, is used for receiving the control information that exterior I/O equipment sends through the I/O module; And according to the control signal of said control information to said driver module transmission control motor movement; Said control module also is used to gather current motor positional information and work at present platform positional information; Said current motor positional information and work at present platform positional information are carried out the display message that handled becomes suitable display screen demonstration, display message is sent to display module show;
Said driver module is used for linking to each other with exterior motor, receives the indication campaign of the control signal driving motor of control module transmission according to control signal;
Said I/O module is used to receive the control information that exterior I/O equipment sends, and said control information is sent to control module handle;
Said display module receives the display message of said control module transmission and shows.
Said control module comprises double-core data processing and motion-control module and servocontrol and I/O module, and said double-core data processing and motion-control module and said servocontrol and I/O module are integrated on the control panel.
Said servocontrol and I/O module are used to receive the control information that exterior I/O equipment sends; And according to the control signal of said control information to the motion of said driver module transmission control motor; Said control module also is used to gather current motor positional information and work at present platform positional information.
Said servocontrol and I/O module are gathered current motor positional information and work at present platform positional information through scrambler and grating chi.
Said double-core data processing and motion-control module carry out the display message that handled becomes suitable display screen demonstration to said current motor positional information and work at present platform positional information, display message is sent to display module show.
The external connection apparatus of said double-core data processing and motion-control module comprises communication interface RS232, keyboard input, LCD, SD card and USB flash disk interface.
Said driver module comprises IGBT chip for driving and IGBT module; Said IGBT chip for driving links to each other with said power module respectively with said IGBT module, and it is the motor power supply that the servosignal that said IGBT chip for driving is used to receive said servocontrol and I/O module is controlled said IGBT module.
Said driver module also comprises optocoupler, and said optocoupler input end connects servocontrol and I/O module, and output terminal connects the IGBT module.
Integrated digital controlled lathe comprises above-mentioned integrated digital controlled system, at least one spindle motor that links to each other with said integral control system, at least one servomotor that links to each other with said integral control system and the scrambler that links to each other with servomotor.
Also comprise the grating chi, I/O equipment and the handwheel that link to each other with control module, control module is gathered current motor positional information and work at present platform positional information, receives with I/O equipment or is transmitted control signal through scrambler and grating chi
The utility model provides a kind of integrated digital controlled system and integrated digital controlled lathe, through power module, control module, driver module, display module and I/O module are integrated in the device, has shortened controlling unit; Avoid environmental disturbances, reduced time loss and distorted signals that the signal transmission brings, reduced conversion of signals cost and signal transmission cost; Layout is tightly short simultaneously, connects simple, easily manufactured; Reliability is high, and cost is low.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is a part of embodiment of the utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment one, the utility model provide a kind of integrated digital controlled system, and be as shown in Figure 2, comprises the housing 7 that electromagnetic radiation source is played shielding action, is provided with power module 8, control module 3, driver module 2, display module 5 and I/O module 6 in the said housing 7;
Said power module 8 provides power supply for said control module 3 with said driver module 2;
Said control module 3 is connected with said driver module 2, I/O module 6 and display module 5, is used for receiving the control information that exterior I/O equipment sends through I/O module 6; And according to the control signal of said control information to said driver module 2 transmission control motor movements; Said control module 3 also is used to gather current motor positional information and work at present platform positional information; Said current motor positional information and work at present platform positional information are carried out the display message that handled becomes suitable display screen demonstration, display message is sent to display module 5 show;
Said driver module 2 is used for linking to each other with exterior motor, receives the indication campaign of the control signal driving motor of control module transmission according to control signal;
Said I/O module 6 is used to receive the control information that exterior I/O equipment sends, and said control information is sent to control module handle;
Said display module 5 receives the display message of said control module 3 transmissions and shows.
As shown in Figure 3, said control module comprises double-core data processing and motion-control module and servocontrol module, and said double-core data processing and motion-control module and said servocontrol and I/O module are integrated on the control panel.
Said servocontrol and I/O module are used to receive the control information that exterior I/O equipment sends; And according to the control signal of said control information to the motion of said driver module transmission control motor; Said control module also is used to gather current motor positional information and work at present platform positional information.
Said servocontrol and I/O module are gathered current motor positional information and work at present platform positional information through scrambler and grating chi.
Said servocontrol and I/O module adopt FPGA (Field-Programmable Gate Array; Field programmable gate array); Be preferably the fpga chip XC3S1400A of match SEL; FPGA carries out that the logic control, I/O of whole integral system are handled, the signal Processing of the feedback processing of incremental encoder/absolute encoder, grating chi feedback processing, handwheel (hand pulse producer); Also can comprise main axle servo/VFC and spindle encoder feedback, can also comprise the servocontrol of electric current loop, speed ring and position ring etc.
Said integrated digital controlled system comprises handwheel, and said handwheel is connected with the I/O module with said servocontrol.Handwheel is input to FPGA, realizes counting algorithm by FPGA, data latching, and last DSP reads the step value of handwheel.
Said servocontrol is connected with the outside of I/O module and comprises scrambler, grating chi, I/O equipment and said driver module.Said servocontrol and I/O module realize PLC (Programmable Logic Controller, programmable logic controller (PLC)) function.
Said double-core data processing and motion-control module carry out the display message that handled becomes suitable display screen demonstration to said current motor positional information and work at present platform positional information, display message is sent to display module show.
Said double-core data processing and motion-control module are preferably the high-performance double-core process chip C6A8167 of the up-to-date release of TI company, the highest 1.5G processing speed that this chip is integrated
Cortex
TM-A8RISC MPU and high primary frequency are 1.5G and the high-speed dsp process chip with 64 floating-point processing poweies; This dsp processor can be accomplished the Chebyshev computing of 780 15 precision trigonometric functions in 125us; Satisfy nanometer interpolation requirement; Its Peripheral Interface is rich also, satisfies the requirement of digital control system: LCD and shows output, USB flash disk interface, network interface, serial line interface, FLASH memory interface, I2C, SPI, EMIF, PCIe etc., and these also satisfy the digital control system needs of expanded function later on; And this chip of TI integrates ARM and DSP; ARM and DSP carry out data interaction through inner shared drive alternately, have increased the reliability and the rapidity of reading and writing data, have also reduced some development difficulties simultaneously relatively.
The external connection apparatus of said double-core data processing and motion-control module comprises communication interface RS232, keyboard input, LCD (Liquid Crystal Display, LCD), SD card and USB flash disk interface.
As shown in Figure 4; Said driver module comprises IGBT (Insulated Gate Bipolar Transistor insulated gate bipolar transistor) chip for driving 10 and IGBT module 11; Said IGBT chip for driving 10 links to each other with said power module 8 respectively with said IGBT module 11, and the said IGBT module of signal controlling that said IGBT chip for driving is used to receive said control module is the motor power supply.Said chip for driving is preferably Infineon's chip for driving: 2ED020I12-FI.
Said power supply adopts the input of 380v power supply, control 380v motor, and the user need not do the three phase power distribution can realize three-phase equilibrium, and power factor (PF) is high, obvious energy conservation.
Said driver module also comprises optocoupler 9, said optocoupler input end link control module, and output terminal connects the IGBT chip for driving.Because driver module closely links to each other with motor, the high pressure of commutation inversion, high frequency possibly have certain influence to MCU (Micro Control Unit, micro-control unit), so MCU adopts the mode of isolating to motor-driven control, selects light-coupled isolation at present for use.
The utility model provide a kind of integrated digital controlled system with power supply, control module and driver module design in a device, the shared power supply of control module and driver module has reached the purpose of resource sharing; Double-core data processing and motion-control module and servocontrol and I/O module are integrated on the control panel, have reduced time loss and distorted signals that the signal transmission brings, have reduced environmental disturbances; Reduced controlling unit part components and parts, reduced conversion of signals cost and signal transmission cost, layout is tightly short simultaneously; Connect simple; Easily manufactured, reliability is high, and cost is low.The shared power supply of a plurality of servo-driven modules, the energy of dynamic braking can be recycled, and can save the energy.The shared power supply of a plurality of servo-driven modules can also be saved the power supply cost.
Embodiment two; The integrated digital controlled lathe of the utility model; Comprise above-mentioned integrated digital controlled system, integrated digital controlled lathe, at least one spindle motor, at least one servomotor, the scrambler that links to each other with servomotor, control module to said driver module transmit control signal the said spindle motor of control and said servomotor, through scrambler gather motor information, reception or transmitting control commands and data are handled and send display message to display module from the I/O module.
Said integrated digital controlled lathe also comprises grating chi, I/O equipment and the handwheel that links to each other with control module, and control module is gathered current motor positional information and work at present platform positional information, receives with I/O equipment or transmitted control signal through scrambler and grating chi.
What deserves to be mentioned is that among the above embodiment, various structure characteristic (for example above-mentioned multiple connected mode) can make up use each other, is not limited to shown in each accompanying drawing.
In the above-described embodiments, only the utility model has been carried out exemplary description, but those skilled in the art can carry out various modifications to the utility model after reading present patent application under the situation of spirit that does not break away from the utility model and scope.