CN201993613U

CN201993613U - Industrial automatic controller

Info

Publication number: CN201993613U
Application number: CN2011201153097U
Authority: CN
Inventors: 胡祥超; 史玉俊; 刘春强; 黄鹏祥; 刘亮峰; 李超群; 杨松
Original assignee: CHANGSHA 3USMART TECHNOLOGY CO LTD
Current assignee: Wang Qingxi
Priority date: 2011-04-19
Filing date: 2011-04-19
Publication date: 2011-09-28
Anticipated expiration: 2021-04-19

Abstract

The utility model discloses an industrial automatic controller, which comprises a core controller unit, an input and output interface unit, a peripheral unit and a communication interface unit. The peripheral unit is in a modular packaging form and comprises a simulation type peripheral element and a digital type peripheral element, and different peripheral elements can be configured according to different places. The industrial automatic controller has the advantages that the industrial automatic controller is small in volume, and consists of the abundant modularly packaged peripheral elements, the different peripheral elements can be configured according to different places so that complete control, testing and measurement operation can be completed by the controller, dynamic networking can be realized, a hardware system platform of the industrial automatic controller is also universal, and accordingly the industrial automatic controller integrates universality, intelligence, modularization, programmability with humanization.

Description

The industrial automation controller

Technical field

The utility model relates to fields such as power electronics, instrument and meter, household electrical appliance, industrial control equipment and scientific instrument, particularly a kind of industrial automation controller.

Background technology

The controller of existing application on a certain type equipment, basically be difficult to be applied on the equipment of other types, controller such as the intermediate frequency welding machine can not be applied on the injection machine, and traditional controller does not possess unified hardware platform, the non-constant of its extendability and applicability, though in the electric automatization field, adopt PLC control system scheme to solve above-mentioned deficiency to a certain extent at present, yet PLC control system scheme exists volume bigger, defective by cable interconnect assembling relative complex, therefore the PLC controlling schemes is not suitable for small-sized instrument and equipment basically, such as hot flow path temperature controller etc., and the PLC control system is relatively independent encapsulation, one cover PLC control system is combined by a plurality of equipment, and its price is expensive, and extendability and conformability are all bad.

The utility model content

The purpose of this utility model is to provide a kind of volume little and can use the industrial automation controller of different peripherals according to different occasion flexible configuration.

This industrial automation controller that the utility model provides, comprise the core controller unit that is used for transaction and coordinates each module, be used to instruct input and result's output the IO interface unit, be used for the peripheral unit of data acquisition and control output and be used for carrying out interconnected communications interface unit with other-end, described peripheral unit adopts the modularization package design, comprise simulation class peripheral hardware and numeric class peripheral hardware, use different peripheral according to different occasion flexible configuration.

Core controller in the described core controller unit adopts 32 high-end MCU processor STM32F103ZET6 of Cortex-M3 nuclear.Main control chip in the described peripheral unit adopts C8051F330.Described communications interface unit comprises RS232, RS484, USB and ethernet interface.

The utility model has the advantages that volume is little, and it comprises the peripheral hardware of abundant modularization encapsulation, can use different peripheral according to different occasion configurations, make this single device can finish a complete set of control and thermometrically work, the utility model can also be realized dynamic group net, its hardware system platform also can be general, so the utility model integrates universalization, intellectuality, modularization, able to programme, hommization.

Description of drawings

Fig. 1 is a theory diagram of the present utility model.

Fig. 2 is the circuit diagram of core controller unit in the utility model.

Fig. 3 is the circuit diagram of communications interface unit in the utility model.

Fig. 4 is the circuit diagram of the PWM control output module in the peripheral unit that modularization encapsulates in the utility model.

Fig. 5 is the circuit diagram of 8 passage ADC modular converters in the peripheral unit that modularization encapsulates in the utility model.

Fig. 6 is the circuit diagram of IO interface unit in the utility model.

Embodiment

Fig. 1 is a theory diagram of the present utility model, the peripheral unit that comprises core controller unit, IO interface unit, communications interface unit, modularization encapsulation, wherein the peripheral unit of modularization encapsulation comprises simulation class peripheral hardware and numeric class peripheral hardware, simulation class peripheral hardware comprises digital to analog converter, analog to digital converter, comparer and width modulation output module, the numeric class peripheral hardware comprises input/output module, Timer and real-time clock, and the utility model uses different peripheral hardwares according to different occasion configurations.The core controller unit is the core of the utility model control and issued transaction among the figure, coordinates other each modules to finish the function that preestablishes of total system; The IO interface unit receives operator's instruction, for example operator's button or touch-screen click etc., the input of the person that is complete operation instruction, after the operator that input is come in instructs and passes through the identification computing of IO interface unit, give the core controller unit with its result, and the IO interface unit receives the output order that the core controller unit sends over, and the running status and the operation result thereof of system are exported demonstration (comprising demonstration and audible alarm etc.); Communications interface unit carries out the utility model and other-end product interconnected, promptly realizes the interconnected communication function of the utility model and computing machine, intelligent man-machine terminal, PLC etc.; The peripheral unit of modularization encapsulation is realized subsidiary functions such as data acquisition (AD), simulating signal output (DA), pulse-width signal output (PWM), IO operation, real-time clock, relevant functional parameter can be by software programming, its result is directly given the core controller unit, and united and coordinating is finished functions such as system's control, thermometrically, input-output operation through the core controller unit.The core controller of the core controller unit in the utility model adopts 32 high-end MCU processor STM32F103ZET6 of Cortex-M3 nuclear, main control chip in the peripheral unit of modularization encapsulation adopts C8051F330, and communications interface unit comprises RS232, RS484, USB and ethernet interface.

Fig. 2 is the circuit diagram of core controller unit in the utility model, U1 is the voltage transitions chip among the figure, U2 is the I2C bus interface, U3 is a core controller, U4 is the LCD control chip, U5 is LCD data-interface and touch screen interface, U6 is the storage chip IS61LV51216 that extends out, its storage size is 512K, U7 is the SD interface of the SPI mode that extends out, U8 is NAND FLASH storage chip HY27UF (08_16) 2G2B that extends out, its storage size is 256M, and U3, U4, U5 has constituted the LCD display unit jointly, and wherein core controller U3 adopts 32 high-end MCU processor STM32F103ZET6 of Cortex-M3 nuclear, and LCD control chip U4 adopts RA8870.Voltage transitions chip U1 becomes the externally fed voltage transitions power supply of the required various parameters of this unit module; I2C bus interface U2 links to each other with external bus to realize the interactive function of data with the PB7 pin by the PB6 pin of core controller U3; LCD control chip RA8870 maximum can be supported 480 * 640 pixel, and it can drive any TFT digital liquid crystal screen below 16, and it has carried 10 AD in addition, and this AD is used for driving four-wire resistance type touch screen.

Fig. 3 is the circuit diagram of communications interface unit in the utility model, U1 is parallel interconnecting interface among the figure, U2 and U3 constitute the usb bus communication unit, wherein U2 is USB bus communication controller chip CH375, U3 is the usb communication interface, U4 is a RS232 serial communication controller MAX3232 chip, it supports the full-duplex communication of RS232 level, U5, U7 constitutes the Industrial Ethernet communication unit, wherein U5 is Industrial Ethernet Control device chip RTL8019AL, its support is communicated by letter with Industrial Ethernet RJ-45, and U7 is the serial storage chip, and it cooperates with U5 finishes Industrial Ethernet Control device function, U6 is a RS485 communication controler MAX485 chip, it supports and peripheral hardware CPU half-duplex operation that U8 is an Industrial Ethernet RJ-45 interface, and U9 is the voltage transitions chip.Parallel interconnecting interface U1 links to each other with core controller unit in the utility model, USB bus communication controller chip CH375 supports USB-HOST host mode and USB-SLAVE DeviceMode, and voltage conversion circuit U9 becomes the externally fed voltage transitions power supply of the required various parameters of unit module.

Fig. 4 is the circuit diagram of the PWM control output module in the peripheral unit that modularization encapsulates in the utility model, U4 is the core circuit control part among the figure, it adopts SOC type main control chip C8051F330, U6 is the I2C control bus, U1, U2 is a Power Entry Module, U8 is the on-line debugging C2 of a system interface, U3, U7 is a photoelectric isolating circuit, SOC type main control chip C8051F330 is responsible for the signal Processing of entire circuit and the coordination of each parts, the utility model carries out communication by I2C control bus U6 and external devices, U5 can implement 8 road PWM output control, the on-line debugging C2 of system interface U8 can carry out online communication to SOC type main control chip C8051F330, photoelectric isolating circuit U3, U7 has guaranteed the isolation of pwm control signal on electric, this circuit inserts the 9V power supply through U1, carries out voltage stabilizing to 3.3V by high-precision power voltage stabilizing chip LM2937 again.

Fig. 5 is the circuit diagram of 8 passage ADC modular converters in the peripheral unit that modularization encapsulates in the utility model, U5 is the core circuit control part among the figure, U3 is the I2C control bus, U1, U2 is a Power Entry Module, U7 is the on-line debugging C2 of a system interface, U4 is the ADC analog to digital conversion circuit, U5 is SOC type main control chip C8051F330, it is responsible for the signal Processing of entire circuit and the coordination of each parts, the utility model carries out communication by I2C control bus U3 and external devices, the on-line debugging C2 of system interface U7 can carry out online communication to SOC type main control chip C8051F330, U4 is 16 ADC chips of 8 passage high precision ADS8332 of TI company among the figure, and U8-U15 is an amplifier, does voltage follow in circuit, be used for driving the AD input signal, guarantee that simultaneously AD input port voltage clamp is at VCC.U1 inserts the 9V power supply among the figure, carries out voltage stabilizing to 3.3V through high-precision power voltage stabilizing chip LM2937 again.

Fig. 6 is the circuit diagram of IO interface unit in the utility model, and U1 is the voltage transitions chip among the figure, and U2 is a core controller, and U3 is the I2C bus interface, and U4 is lcd controller RA8870, and U5 is the LCD data-interface, and U6 is a touch screen interface.Electric pressure converter chip U1 becomes the externally fed voltage transitions power supply of the required various parameters of unit module, core controller U2 adopts 32 high-end MCU processor STM32F103ZET6 of Cortex-M3 nuclear, it is used for driving lcd controller RA8870, lcd controller RA8870 maximum can be supported 480 * 640 pixel, its built-in 10 AD is used for driving four-wire resistance type touch screen in addition, U7 is a digital output interface, U8 is 16 ADC chips of 8 passage high precision ADS8332 of TI company, and it is used as analog input and is converted to numeral output.

Claims

1. industrial automation controller, comprise the core controller unit that is used for transaction and coordinates each module, be used to instruct input and result's output the IO interface unit, be used for the peripheral unit of data acquisition and control output and be used for carrying out interconnected communications interface unit with other-end, it is characterized in that described peripheral unit adopts the modularization package design, comprise simulation class peripheral hardware and numeric class peripheral hardware, use different peripheral according to different occasion flexible configuration.

2. industrial automation controller according to claim 1 is characterized in that 32 high-end MCU processor STM32F103ZET6 that the core controller in the described core controller unit adopts Cortex-M3 to examine.

3. industrial automation controller according to claim 1 is characterized in that the main control chip in the described peripheral unit adopts C8051F330.

4. industrial automation controller according to claim 1 is characterized in that described communications interface unit comprises RS232, RS484, USB and ethernet interface.