CN209281188U - High-performance cogeneration units operation data acquisition terminal based on ARM9 framework - Google Patents

High-performance cogeneration units operation data acquisition terminal based on ARM9 framework Download PDF

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CN209281188U
CN209281188U CN201821828496.1U CN201821828496U CN209281188U CN 209281188 U CN209281188 U CN 209281188U CN 201821828496 U CN201821828496 U CN 201821828496U CN 209281188 U CN209281188 U CN 209281188U
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arm9
interface
performance
framework
circuit
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高靖
张明理
邓鑫阳
沈方
刘岩
梁毅
杨博
韩震焘
王春生
李占军
许鉴
其他发明人请求不公开姓名
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State Grid Corp of China SGCC
Shenyang Institute of Engineering
Economic and Technological Research Institute of State Grid Liaoning Electric Power Co Ltd
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State Grid Corp of China SGCC
Shenyang Institute of Engineering
Economic and Technological Research Institute of State Grid Liaoning Electric Power Co Ltd
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Abstract

The utility model provides a kind of high-performance cogeneration units operation data acquisition terminal based on ARM9 framework, is related to cogeneration units operational monitoring technical field.The acquisition terminal includes the embedded hardware system based on ARM9 framework, the hardware system includes ARM9 architecture processor, power supply and reset circuit, clock circuit, 64M SDRAM, 64M NAND FLASH, NOR FLASH, serial communication interface, Ethernet interface, the various physical interfaces and human-computer interaction module for corresponding to peripheral interface on LCD interface and casing.The utility model is constructed using ARM9 framework high-performance processor hardware platform, performance substantially close to or reach industrial control computer level, it is and small in size, low-power consumption, also support multiplex roles, multithreading, mostly concurrent.

Description

High-performance cogeneration units operation data acquisition terminal based on ARM9 framework
Technical field
The utility model relates to cogeneration units operational monitoring technical fields more particularly to a kind of based on ARM9 framework High-performance cogeneration units operation data acquisition terminal.
Background technique
Cogeneration of heat and power refers to will be united production in same generating set for heat and generating power.Cogeneration of heat and power is conducive to The cascade utilization of energy can effectively facilitate unit and play odds for effectiveness and energy conservation and environmental protection advantage.Currently to cogeneration units Real-time running state lacks on-line monitoring system, traditional thermoelectric cost-apportion method due to energy quantity and quality heat with There is dispute in the distribution between electricity, through lacking corresponding Monitoring and supervision to power plant, being unfavorable for promoting frequently with " electricity determining by heat " mode Into the sound development of cogeneration of heat and power enterprise.It is therefore desirable to build a kind of on-line data acquisition terminal, cogeneration units are closed The sensor information of key point is acquired in real time, and is transmitted to remote monitoring center by the acquisition terminal equipment.
Existing cogeneration units operating parameter acquisition device generallys use 51 series monolithics or industrial control computer conduct The hardware platform of system.Acquisition device in data set based on the exploitation of 51 series monolithics, although small in size, low in energy consumption, Yi An Dress, but its process performance becomes the bottleneck of multisensor access, and more collection point accesses will cause data volume increase, be class to 51 The processing capacity of single-chip microcontroller brings challenges.And use industrial control computer as its performance of the data acquisition device of system hardware platform It is powerful, but volume is big, power consumption is high, is unfavorable for installation and deployment.
Utility model content
In view of the above-mentioned deficiencies of the prior art, technical problem to be solved by the utility model is to provide one kind to be based on ARM9 frame The high-performance cogeneration units operation data acquisition terminal of structure has high-performance, low-power consumption, small in size, multiport, multithreading The features such as.
In order to solve the above technical problems, technical solution adopted in the utility model is:
A kind of high-performance cogeneration units operation data acquisition terminal based on ARM9 framework, including it is based on ARM9 framework Embedded hardware system;
The embedded hardware system based on ARM9 framework includes mainboard and casing;
The mainboard includes core circuit and peripheral interface circuit;It is equipped on the casing corresponding to peripheral interface circuit Various physical interfaces, be connected by winding displacement with the socket of peripheral interface circuit;It is additionally provided with human-computer interaction module on the casing, Including LCD liquid crystal display screen and input keyboard;
The core circuit includes ARM9 architecture processor, power supply and reset circuit, clock circuit, 64M SDRAM data Memory, 64M NAND FLASH program storage, the communication of each section circuit are connected using universal serial bus;
The ARM9 architecture processor is 32 Embedded RISC microprocessors of kernel;In the power supply and reset circuit 5V DC power supply is used to power for entire terminal;The clock circuit includes the input of two-way clock, is the processing of ARM9 framework all the way Device work clock, another way are RTC clocks;The 64M SDRAM data storage, directly and ARM9 by I2C serial line interface Architecture processor is connected;The 64M NAND FLASH program storage is directly handled with ARM9 framework by I2C serial line interface Device is connected;
The peripheral interface circuit is connected on ARM9 architecture processor core board, including NOR FLASH, serial RS485 communication interface, Ethernet interface, LCD interface;
The NOR FLASH, is directly connected with ARM9 architecture processor;The serial RS485 communication interface is equipped with more It is a, by universal serial bus, ARM9 architecture processor is connected with acquisition sensor or intelligence instrument equipment;The Ethernet connects Mouthful, be equipped with it is multiple, ARM9 architecture processor is connect with internet;The LCD interface connects LCD liquid crystal by data flat cable Display screen;
The input keyboard uses 4 × 4 matrix button keyboards, is connected by data flat cable and ARM9 architecture processor board It connects.
Further, the ARM9 architecture processor is S3C2410X processor.
Further, the ARM9 architecture processor work clock has source crystal oscillator for 12MHz, is not necessarily to external capacitive, by Internal PLL is multiplied to 200MHz;The RTC clock is 32.768KHz without source crystal oscillator, and circuit is used with Ethernet interface Clock circuit it is identical.
Further, the NOR FLASH uses the SST39VF200A model NOR FLASH chip of 64K capacity.
Further, the multiple serial communication interface uses SP3232ECA chip.
Further, the Ethernet interface uses Ethernet chip CS8900A.
It further, include operation panel and interface panel on the casing, the operation panel is the front end face of casing Plate installs human-computer interaction module, and the interface panel is the rear end panel of casing, installs various physical interfaces.
The beneficial effects of adopting the technical scheme are that the height provided by the utility model based on ARM9 framework Performance cogeneration units operation data acquisition terminal is constructed, performance using ARM9 framework high-performance processor hardware platform Substantially close to or reach industrial control computer level, and small in size, low-power consumption, while being made using Linux embedded OS For the bottom of application and development operation, supports the characteristics such as multithreading, greatly facilitate developer that protocol convertor is rapidly completed.This Utility model also supports multiplex roles, multithreading, mostly concurrent, and the excellent properties and Linux just because of ARM9 processor architecture are embedding The multithreading for entering formula operating system is supported, the concurrent data processing function of multiplex roles is just achieved.As described above, this is practical new Type realizes performance, power consumption, volume, multiple balances of cost performance with uniformly, has accomplished the optimization of data collection station.
Detailed description of the invention
Fig. 1 is that the high-performance cogeneration units operation data provided by the embodiment of the utility model based on ARM9 framework is adopted Collect terminal applies system schematic;
Fig. 2 is hardware system block schematic illustration provided by the embodiment of the utility model;
Fig. 3 is casing interface panel schematic diagram provided by the embodiment of the utility model;
Fig. 4 is casing operation panel schematic diagram provided by the embodiment of the utility model;
Fig. 5 is software system framework schematic diagram provided by the embodiment of the utility model.
In figure: 1, acquiring sensor, 2, intelligence instrument, 3, RS485 bus, 4, the high-performance thermoelectricity connection based on ARM9 framework Produce data unit operation acquisition terminal, 5, Internet network, 6, remotely monitor main website, 7, LCD liquid crystal display screen, 8, enter key Disk.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
As shown in Figure 1, being deployed in acquisition sensor 1 or the acquisition in real time of intelligence instrument 2 of cogeneration units key point Cogeneration units difference running state data, such as power plant's electricity volume, cogeneration units load and generated energy, heating steam The data such as pressure and temperature, steam supply flow, furnace coal weight after, provided in this embodiment be based on is passed to by RS485 bus 3 The high-performance cogeneration units operation data acquisition terminal 4 of ARM9 framework, 4 pairs of acquisition data of data collection station are located in advance Reason judges data correctness, whether out-of-limit etc., then by data buffer storage while, remote monitoring master is sent to by internet 5 Stand 6.It monitors main website 6 to operate by deep processing, excavation, storage, analysis, the display etc. to information, eventually by computer UI Interface is presented to user.
High-performance cogeneration units operation data acquisition terminal 4 provided in this embodiment based on ARM9 framework includes base In the embedded hardware system of ARM9 framework and in the hardware system embed based on built-in Linux operating system be application The software systems of bottom.
Based on the embedded hardware system of ARM9 framework, as shown in Fig. 2, including mainboard and casing.Mainboard includes core electricity Road and peripheral interface circuit.Core circuit includes ARM9 architecture processor, power supply and reset circuit, clock circuit, 64M SDRAM Data storage, 64M NAND FLASH program storage.Peripheral interface circuit is connected to ARM9 architecture processor core board On, including NOR FLASH, multiple serial communication interfaces, multiple Ethernet interfaces, LCD interface.The rear end panel of casing is used as and connects Mouth panel is connect as shown in figure 3, being equipped with the various physical interfaces corresponding to peripheral interface circuit thereon by winding displacement and periphery The socket of mouth circuit is connected;The front console of casing is as operation panel, as shown in figure 4, it is additionally provided with human-computer interaction module thereon, Including LCD liquid crystal display screen and input keyboard.
In the present embodiment, ARM9 architecture processor uses S3C2410X processor, is a kind of kernel 32 embedded Risc microcontroller.5V DC power supply is used to power in power supply and reset circuit for entire terminal.Clock circuit, at S3C2410X Reason device needs two-way clock to input, and is processor work clock all the way, another way is RTC clock.Processor work clock is 12MHz Have source crystal oscillator, be not necessarily to external capacitive, 200MHz be multiplied to by internal PLL, RTC clock is 32.768KHz without source crystal oscillator, Circuit is identical with clock circuit used in Ethernet chip CS8900A below.64M SDRAM data storage, Feature is that capacity is big, access speed is fast, at low cost, for storing executable code, due to band inside S3C2410XARM processor There are storage control and flush logic, so the SDRAM selected can be connected directly with arm processor by interface circuit.64M NAND FLASH program storage, selects the K9F1208 program storage chip of SAMSUNG, and capacity 64M, 8bit data are wide Degree, the solidification for (SuSE) Linux OS kernel, file system and application program store.
In the present embodiment, NOR FLASH selects the SST39VF200A model NOR FLASH chip of 64K capacity, for depositing Startup program is put, arm processor is started by the startup program that NOR FLASH is stored.Serial communication interface, multiple serial ports use SP3232ECA chip is connected with acquisition sensor or intelligence instrument equipment, for passing through serial ports from acquisition sensor device Communication data is obtained, is equipped with 4 serial communication interface RS485 in the present embodiment.Ethernet interface, it is real for connecting internet Existing data collection station and distal end monitor the network communication of main website, are equipped with 2 Ethernet interface RJ45 in the present embodiment.
LCD liquid crystal display screen selects the TD035STEB1 of TOPPOLY photoelectricity company, is a 3.5 " TFT type Transflective liquid Crystal display screen, display resolution are 240 × 320 pixels, provide 18 RGB pixel data interfaces, pixel clock signal CLK, number According to enable signal DE and the positioning signal YU, XR, YL, XL of touch screen.Worked as by 3.5 inches of LCD liquid crystal display screens to export Preceding operating status, statistics of data acquisition, system parameter value information.Input keyboard selects 4 × 4 array keyboards, for completing data The configuration of acquisition terminal parameter.
Software systems, as shown in figure 5, including bottom linux system program and upper layer data acquisition process application program.Bottom Layer linux system program includes Linux embedded operating system kernel and hardware circuit driver, for directly operating hardware System is responsible for hardware resource distribution, scheduling, management.Upper layer data acquisition process application program based on operating system API, It is developed using C Plus Plus and object-oriented method, the ICP/IP protocol stack embedded based on operating system is more by multithreading realization Port communication, for complete by serial communication interface transmit power plant's electricity volume, cogeneration units load and generated energy, (acquisition data are located in processing, transmission in advance for the pressure and temperature of heating steam, steam supply flow, furnace coal weight acquisition data Reason judges data correctness, whether out-of-limit, then will be sent to remote monitoring main website by internet while data buffer storage; Upper layer data acquisition process application program includes data communication module, data processing module, data memory module, task processing team Column management module.Data communication module completes the data asynchronous communication function based on Socket;Data processing module, to acquisition Data are classified, are formatted, precision is handled, numerical value judgement;Data memory module serializes collected data, It stores in nonvolatile storage;Task handles queue management module, completes to the sequence of acquisition tasks queue, priority, appoints Queue executive condition of being engaged in carries out integrated management.
The core of hardware structure in the present embodiment is the processor of S3C2410X ARM9 framework, when power circuit is to be After system power supply, S3C2410X processor completes system starting process from startup program is read in NOR FLASH into itself RAM. After above-mentioned workflow, the bootstrap of the embedded OS Linux of load NAND FLASH storage.Embedded operation system It unites after Linux operation, automatic running upper level applications are responsible for data processing and transmission.System collects reality in RS485 interface When data after, transfer to ARM9 processor to be handled, remote monitoring central master station sent to by RJ45 Ethernet interface.
Originally it is the high-performance cogeneration units operation data acquisition terminal based on ARM9 framework that example provides, is based on The building of ARM9 framework high-performance processor hardware platform, performance basically reach industrial control computer level, and small in size, low function Consumption, while the physical layer interface run as application and development using embedded OS, can be used high-level programming language (towards The C Plus Plus of object) etc. carry out data acquisition and processing written in code, operating system embed ICP/IP protocol stack, support it is multi-thread The characteristics such as journey, very convenient developer quickly write acquisition process control program.Also support multiplex roles (4 serial ports, 2 RJ45 interface), it is multithreading, mostly concurrent, have benefited from arm processor framework excellent properties and embedded OS it is multi-thread Journey is supported.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations; Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: It can still modify to technical solution documented by previous embodiment, or to some or all of the technical features It is equivalently replaced;And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and the utility model right is wanted Seek limited range.

Claims (7)

1. a kind of high-performance cogeneration units operation data acquisition terminal based on ARM9 framework, it is characterised in that: including base In the embedded hardware system of ARM9 framework;
The embedded hardware system based on ARM9 framework includes mainboard and casing;
The mainboard includes core circuit and peripheral interface circuit;It is equipped on the casing corresponding to each of peripheral interface circuit Kind physical interface, is connected by winding displacement with the socket of peripheral interface circuit;Human-computer interaction module is additionally provided on the casing, including LCD liquid crystal display screen and input keyboard;
The core circuit includes ARM9 architecture processor, power supply and reset circuit, clock circuit, the storage of 64M SDRAM data Device, 64M NAND FLASH program storage, the communication of each section circuit are connected using universal serial bus;
The ARM9 architecture processor is 32 Embedded RISC microprocessors of kernel;It is used in the power supply and reset circuit 5V DC power supply is the power supply of entire terminal;The clock circuit includes the input of two-way clock, is ARM9 architecture processor work all the way Make clock, another way is RTC clock;The 64M SDRAM data storage, by I2C serial line interface directly with ARM9 framework Processor is connected;The 64M NAND FLASH program storage, by I2C serial line interface directly with ARM9 architecture processor phase Even;
The peripheral interface circuit is connected on ARM9 architecture processor core board, including NOR FLASH, serial RS485 logical Communication interface, Ethernet interface, LCD interface;
The NOR FLASH, is directly connected with ARM9 architecture processor;The serial RS485 communication interface, be equipped with it is multiple, lead to Universal serial bus is crossed, ARM9 architecture processor is connected with acquisition sensor or intelligence instrument equipment;The Ethernet interface, if Have multiple, ARM9 architecture processor is connect with internet;The LCD interface connects LCD liquid crystal display by data flat cable Screen;
The input keyboard uses 4 × 4 matrix button keyboards, is connect by data flat cable with ARM9 architecture processor board.
2. the high-performance cogeneration units operation data acquisition terminal according to claim 1 based on ARM9 framework, Be characterized in that: the ARM9 architecture processor is S3C2410X processor.
3. the high-performance cogeneration units operation data acquisition terminal according to claim 1 or 2 based on ARM9 framework, It is characterized by: the ARM9 architecture processor work clock has source crystal oscillator for 12MHz, it is not necessarily to external capacitive, by internal PLL It is multiplied to 200MHz;The RTC clock is 32.768KHz without source crystal oscillator, circuit and clock used in Ethernet interface Circuit is identical.
4. the high-performance cogeneration units operation data acquisition terminal according to claim 1 based on ARM9 framework, Be characterized in that: the NOR FLASH uses the SST39VF200A model NOR FLASH chip of 64K capacity.
5. the high-performance cogeneration units operation data acquisition terminal according to claim 1 based on ARM9 framework, Be characterized in that: the multiple serial RS485 communication interface uses SP3232ECA chip.
6. the high-performance cogeneration units operation data acquisition terminal according to claim 1 based on ARM9 framework, Be characterized in that: the Ethernet interface uses Ethernet chip CS8900A.
7. the high-performance cogeneration units operation data acquisition terminal according to claim 1 based on ARM9 framework, It is characterized in that: including operation panel and interface panel on the casing, the operation panel is the front console of casing, installs people Machine interactive module, the interface panel are the rear end panel of casing, install various physical interfaces.
CN201821828496.1U 2018-11-07 2018-11-07 High-performance cogeneration units operation data acquisition terminal based on ARM9 framework Active CN209281188U (en)

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CN201821828496.1U CN209281188U (en) 2018-11-07 2018-11-07 High-performance cogeneration units operation data acquisition terminal based on ARM9 framework

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Application Number Priority Date Filing Date Title
CN201821828496.1U CN209281188U (en) 2018-11-07 2018-11-07 High-performance cogeneration units operation data acquisition terminal based on ARM9 framework

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