A kind of generated energy acquisition device
Technical field
The utility model relates to a kind of harvester, especially a kind ofly is used for the generated energy acquisition device that occasions such as generating plant, transformer station and large user are gathered the watt-hour meter data and data upload given main station system.
Background technology
The function of present generated energy acquisition device is become stronger day by day, device is more and more higher to travelling speed and the functional requirement of MCU, the user is to the simple and direct property of human-machine operation module, practicality requires also more and more higher, but, generated energy acquisition device circuit when function is expanded is changed bigger now, even to change MCU, cycle is long, the expense height, workload is big, the human-machine operation module generally has undersized LCD, simple button, the user is at configuration parameter, operation is numerous tired when change setting and daily servicing, have a strong impact on work efficiency, at present, good solution is not arranged also.
The utility model content
Technical assignment of the present utility model is to provide a kind of generated energy acquisition device at above-mentioned deficiency of the prior art, and this generated energy acquisition device has high performance MCU, the characteristics that the human-machine operation functions of modules is powerful.
The technical scheme that its technical matters that solves the utility model adopts is: it comprises CPU module, human-machine operation module and power module, and the CPU module links to each other with power module with the human-machine operation module with the power module interface by the human-machine operation module interface respectively; The CPU module comprises MCU and peripheral chip, human-machine operation module interface, USB interface, audio interface, many mouthfuls of serial bus modules, pulse collection processing module, electric board interface, expansion module interface, power module interface and networks, special line, GPRS/CDMA module; MCU and peripheral chip respectively with the human-machine operation module interface, USB interface, audio interface, many mouthfuls of serial bus modules, the pulse collection processing module, the electric board interface, the expansion module interface, power module interface and network, special line, the GPRS/CDMA module links to each other, many mouthfuls of serial bus modules and intelligent epiphase connect, the pulse collection processing module links to each other with pulse meter, audio interface links to each other with audio frequency apparatus, USB interface and mouse, keyboard, USB flash disk links to each other, the electric board interface links to each other with electric board, network, special line, the GPRS/CDMA module links to each other with main station system, the expansion module interface links to each other with expansion module, the power module interface links to each other with power module, and the human-machine operation module interface links to each other with the human-machine operation module.
The human-machine operation module comprises color LCD screen, touch-screen, button, liquid crystal display control line, touch-screen control line, button control line and CPU module interface, and the CPU module interface links to each other with color LCD screen, touch-screen and button with the control key control line by liquid crystal control line, touch-screen control line respectively.
Power module comprises multifunction switch power supply, alternating current-direct current filtration module, CPU module interface, expansion interface 1 and expansion interface 2, the CPU module interface links to each other with expansion interface 1, expansion interface 2 and multifunction switch power supply respectively, the multifunction switch power supply links to each other with the alternating current-direct current filtration module, and the alternating current-direct current filtration module links to each other with DC220V with AC220V.
MCU adopts Intel32 position technical grade embedded microcontroller PXA270, MCU passes through address bus, data bus is connected with various peripheral chips with peripheral bus, peripheral chip comprises audio chip, the touch-screen chip for driving, UART, USB interface, the LCD interface, FLASH, SDRAM, network chip, serial port chip, real-time real clock and CPLD, peripheral bus respectively with audio chip, the touch-screen chip for driving, UART, USB interface, the LCD interface links to each other, address bus and data bus respectively with FLASH, SDRAM, network chip, serial port chip, real-time real clock links to each other with CPLD.
A kind of generated energy acquisition device of the present utility model is compared with prior art, has following outstanding beneficial effect: do not need to change MCU, only the expansion interface design expander board of reserving by device gets final product the expansion of implement device function, greatly reduces the time and the expense of secondary development; The man machine operation interface close friend can only use touch-screen to the device operation, also can use abundant button to operate easily, can also pass through the keyboard or the mouse action of USB interface, and is greatly convenient for users to use.
Description of drawings
Accompanying drawing 1 is a principle assumption diagram of the present utility model;
Accompanying drawing 2 is the human-machine operation module principle structural drawing shown in Fig. 1;
Accompanying drawing 3 is the power module principle assumption diagrams shown in Fig. 1;
Accompanying drawing 4 is MCU shown in Fig. 1 and peripheral chip annexation figure.
Embodiment
Explain below doing with reference to Figure of description 1, accompanying drawing 2, accompanying drawing 3 and 4 pairs of a kind of generated energy acquisition devices of the present utility model of accompanying drawing.
A kind of generated energy acquisition device of the present utility model, its structure comprises CPU module, human-machine operation module and power module, the CPU module links to each other with power module with the human-machine operation module with the power module interface by the human-machine operation module interface respectively; The CPU module comprises MCU and peripheral chip, human-machine operation module interface, USB interface, audio interface, many mouthfuls of serial bus modules, pulse collection processing module, electric board interface, expansion module interface, power module interface and networks, special line, GPRS/CDMA module; MCU and peripheral chip respectively with the human-machine operation module interface, USB interface, audio interface, many mouthfuls of serial bus modules, the pulse collection processing module, the electric board interface, the expansion module interface, power module interface and network, special line, the GPRS/CDMA module links to each other, many mouthfuls of serial bus modules and intelligent epiphase connect, the pulse collection processing module links to each other with pulse meter, audio interface links to each other with audio frequency apparatus, USB interface and mouse, keyboard, USB flash disk links to each other, the electric board interface links to each other with electric board, network, special line, the GPRS/CDMA module links to each other with main station system, the expansion module interface links to each other with expansion module, the power module interface links to each other with power module, and the human-machine operation module interface links to each other with the human-machine operation module.
The human-machine operation module comprises color LCD screen, touch-screen, button, liquid crystal display control line, touch-screen control line, button control line and CPU module interface, and the CPU module interface links to each other with color LCD screen, touch-screen and button with the control key control line by liquid crystal control line, touch-screen control line respectively.
Power module comprises multifunction switch power supply, alternating current-direct current filtration module, CPU module interface, expansion interface 1 and expansion interface 2, the CPU module interface links to each other with expansion interface 1, expansion interface 2 and multifunction switch power supply respectively, the multifunction switch power supply links to each other with the alternating current-direct current filtration module, and the alternating current-direct current filtration module links to each other with DC220V with AC220V.
MCU adopts Intel32 position technical grade embedded microcontroller PXA270, MCU passes through address bus, data bus is connected with various peripheral chips with peripheral bus, peripheral chip comprises audio chip, the touch-screen chip for driving, UART, USB interface, the LCD interface, FLASH, SDRAM, network chip, serial port chip, real-time real clock and CPLD, peripheral bus respectively with audio chip, the touch-screen chip for driving, UART, USB interface, the LCD interface links to each other, address bus and data bus respectively with FLASH, SDRAM, network chip, serial port chip, real-time real clock links to each other with CPLD.
Device is gathered the data of intelligence table and pulse meter by many serial bus module and pulse collection processing module, MCU analyzes these data and handle: significant data is stored in the FLASH chip not to be lost with data after guaranteeing power down, need backed up data to be kept in the electric board by the electric board interface, ephemeral data is kept among the SDRAM.Network, special line and GPRS/CDMA (general designation communication module) are used for the main station system communication in a device and a distant place, give main website with corresponding data upload when receiving the request command of main station system, also can will upload in the mode that initiatively sends.Operation to device realizes by the human-machine operation module, as add, the parameter setting of deletion or change watt-hour meter, with the communications parameter setting of main website, stored parameter is provided with etc.; This module is connected with the CPU module with the CPU modular docking interface by the human-machine operation module interface, the user can pass through touch-screen or button operation, also can use keyboard or mouse action by USB interface, chip for driving SN74LVTH16245 is used for the control of liquid crystal display, chip for driving ADS7843E is used for the control of touch-screen, and color LCD screen is used for operation display interface.The various warning information of device are after MCU handles, and audio chip connects audio frequency apparatus output through audio interface.Real-time clock provides clock signal to MCU, needn't reset system time when the assurance device power down is restarted again, and distant place main station system can be provided with real-time clock through MCU by network, special line and GPRS/CDMA, the purpose when reaching the school.In addition, by CPLD network chip, serial port chip and real-time clock are carried out sheet choosing management for the burden that alleviates MCU, logical relation is realized by the software program of CPLD.
The expansion module interface is the contact pin socket of 4 row's standards, and its wiring has address bus, data bus and the various power supply wiring of MCU and peripheral chip thereof.When the watt-hour meter quantity of need gathering when device increases, can be according to the quantity and the type design expansion module of newly-increased watt-hour meter, expansion module is inserted on the contact pin socket of standard and gets final product, and need not change intrinsic circuit.Expansion interface 1 and expansion interface 2 are the contact pin socket of 2 groups of standards, link to each other with MCU and peripheral chip thereof by the CPU module interface, be used for expansion, communication modes carried out flexible configuration by design special line module and wireless (GPRS/CDMA) module to special line and GPRS/CDMA.
Except that the described technical characterictic of instructions, be the known technology of those skilled in the art.