CN102346465A - Energy-saving energy online monitoring system - Google Patents
Energy-saving energy online monitoring system Download PDFInfo
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- CN102346465A CN102346465A CN2011101622342A CN201110162234A CN102346465A CN 102346465 A CN102346465 A CN 102346465A CN 2011101622342 A CN2011101622342 A CN 2011101622342A CN 201110162234 A CN201110162234 A CN 201110162234A CN 102346465 A CN102346465 A CN 102346465A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses an energy-saving energy online monitoring system which comprises a main board module, a remote signaling module, a remote control module, a remote metering module, a controller area network (CAN) bus module, a serial port module and a modulator-demodulator, wherein the main board module is respectively in bidirectional connection with the remote signaling module, the remote control module, the CAN bus module and the serial port module through a remote terminal unit (RTU) mother board bus; the serial port module is in bidirectional connection with the modulator-demodulator; and the CAN bus module is in bidirectional connection with the remote metering module. The system can realize metering, monitoring and tracing of energy, completes energy conservation, monitoring and control of energy utilization equipment, and can save the energy by 15-20%.
Description
Technical field
The present invention relates to a kind of energy-saving energy online monitoring system.
Background technology
In systems such as street lamp Monitoring and Controlling, energy for factory management, building automatic control, environmental monitoring, remote data acquisition and monitor terminal (RTU) are key equipments, realize functions such as remote control, remote measurement, remote signalling.Adopt industrial control computer, expansion observing and controlling hardware interface circuit be the common method of RTU design, but the RTU cost of this method design is high, volume is big, power consumption is many.Adopt single-chip microcomputer design RTU such as 80C196,, influence the performance of RTU because abilities such as the calculation process of single-chip microcomputer and hardware expanding are lower.In addition, existing supervisory system all is that Monitoring and Controlling is separated with electricity-saving appliance, and promptly monitoring can not be energy-conservation, energy-conservationly do not monitor.
Summary of the invention
The objective of the invention is the deficiency to above-mentioned prior art, provide that a kind of cost is low, volume is little and integrate energy-conservation energy-saving energy online monitoring system.
The objective of the invention is to realize: comprise mainboard module, remote signal module, remote control module, telemetry module, CAN bus module, serial port module, modulator-demodular unit through following technical scheme; Said mainboard module through the RTU motherboard bus respectively with remote signal module, remote control module, CAN bus module, serial port module is two-way is connected; Said serial port module is connected with modulator-demodular unit is two-way, and said CAN bus module is connected with telemetry module is two-way.
Further; Said mainboard module comprises microprocessor, Ethernet interface, dynamic RAM, electronics flash memory, watchdog reset circuit, microprocessor bus, bus driving circuits; Said microprocessor with Ethernet interface, dynamic RAM, the electronics flash memory is two-way is connected; Said microprocessor is connected with watchdog reset circuit is unidirectional, integrated two asynchronous serial communication interface serial ports 0 of said microprocessor internal and serial ports 1.
Further, said serial port module can be the PC16C550 serial port module.
Further, the preferred S3C4510B of said microprocessor model.
Further, said dynamic RAM can be 16M byte dynamic RAM.
Further, said electronics flash memory can be 2M byte electronics flash memory.
Further, said watchdog reset circuit is the MAX507 chip.
Further, said bus driving circuits is the internal communication bus of mainboard module, can adopt the bidirectional bus level translator 74LVX4245 of dual power supply, realizes level conversion and driving between microprocessor bus and the RTU motherboard bus.
Said mainboard module i.e. central authorities is handled computing module, and its effect is to be responsible for processing and all inner data of algorithm computer.
Said remote signal module is an analogue collection module, and its effect is to gather with analog datas such as voltage that can equipment, electric current, electric degrees.
Said remote control module, its effect are to carry out main website to assign to branch, combined floodgate module with ability equipment.
Said CAN bus module is that external data is gathered bus.
Said serial port module, its effect are that data are transmitted to a distant place with modulator-demodular unit through this serial ports.
Said modulator-demodular unit, its effect are to communicate by letter with master station through the form of telephone carrier.
Said dynamic RAM, its effect are temporary service data of storage and swap data.
Said electronics flash memory, its effect is an application storing.
The effect of said watchdog reset circuit is that the program of operation is monitored.
Said serial ports 0 connects control desk, is used for commissioning device.
Said serial ports 1 connects LCD display and touch-screen, realizes the man-machine interface of local monitoring.
The present invention's energy-saving energy online monitoring system, its hardware cost is low, and volume is little; Energy consumption is low, and processing power is strong, The software adopted μ Clinux operating system; Many application programs are all capable of using, can realize the energy metering, monitor and review, accomplish with energy-conservation and monitoring that can equipment with control.
The present invention has broken through monitoring can not be energy-conservation, and energy-conservation this technical bottleneck of not monitoring is when gathering energy consumption data automatically; Analyze, contrast previous data; Draw meet with can equipment operation curve under the perfect condition, can real-time regulated with establishing the reserved energy state, can save energy 5%.
Description of drawings
Fig. 1 is an embodiment of the invention structural representation;
Fig. 2 is an embodiment of the invention RTU motherboard bus driving circuit synoptic diagram;
Fig. 3 is an embodiment of the invention CAN bus module circuit diagram.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
With reference to Fig. 1; Present embodiment comprises mainboard module, remote signal module, remote control module, telemetry module, CAN bus module, PC16C550 serial port module, modulator-demodular unit; Said mainboard module through the RTU motherboard bus respectively with remote signal module, remote control module, CAN bus module, the two-way connection of PC16C550 serial port module interface; Said PC16C550 serial port module is connected with modulator-demodular unit is two-way, and said CAN bus module is connected with telemetry module is two-way.
Said mainboard module comprises S3C4510B microprocessor, Ethernet interface, 16M byte dynamic RAM (two HY57V651620B), 2M byte electronics flash memory (a slice AM29LV160DB), watchdog reset circuit, microprocessor bus, bus driving circuits; Said S3C4510B microprocessor and Ethernet interface, 16M byte dynamic RAM, 2M byte electronics two-way connection of flash memory; Said S3C4510B microprocessor is connected with watchdog reset circuit is unidirectional, integrated two asynchronous serial communication interface serial ports 0 of said S3C4510B microprocessor internal and serial ports 1.
Said microprocessor bus is the CMOS level of 3.3V, and its effect is to coordinate the internal bus synchronization of data to calculate.
The Transistor-Transistor Logic level that said RTU motherboard bus is 5V (TTL exports high level>2.4V, output low level 0.4V, and at room temperature, generally exporting high level is 3.5V, output low level is 0.2V.Minimum input high level and low level: input high level >=2.0V, input low level=0.8V, noise margin is 0.4V).
There are the difference on speed and the level in microprocessor bus and RTU motherboard bus, can not directly link to each other, and need a bus driving circuits (speed refers to the running frequency of double bus, and the former is high, and the latter is low) between them.
With reference to Fig. 2; The RTU motherboard bus is provided with data bus H-D0～H-D7, address bus H-A0～H-A7, address chip selection signal H-S0～H-S6; Read-write operation signal H-WR and H-RD; Address latch control signal H-ALE, breakout service request control signal H-INT0～H-INT3, reset signal H-RESET.
Bus driving circuits is the part of mainboard module; Can realize the interface expansion of microprocessor bus, and adopt the bidirectional bus of dual power supply actively to dash level conversion and driving between district 74LVX4245 realization microprocessor bus and the RTU motherboard bus to the RTU motherboard bus.
Said bus driving circuits is provided with three or eight code translator U1 (741S318); 2K byte address space is translated into 8 address chip selection signals; Be called S0～S7, after wherein S0～S6 is driven by bus driver chip 74LS244, as this RTU motherboard bus address chip selection signal.
The chip that some are commonly used, like CAN bus controller SJA1000, clock chip DS12887 etc., an address latch is with in inside, needs address latch signal ALE, could realize interface.The S3C4510B microprocessor does not have the ALE signal, so the RTU motherboard bus is expanded ale signal, could realize the interface of this type device.An address chip selection signal S7 negate with U1 writes data to the S7 address, can simulate the ALE control signal, and realizes the function of ALE.
Said RTU motherboard bus is as a peripheral hardware of microprocessor, and its address and access speed are determined by microprocessor.S3C4510B bus unified addressing, nECS0 is a peripheral hardware address chip selection signal, accounts for the initial 16K byte of peripheral hardware address space.NECS0 connects the U3 Enable Pin, the base address and the access speed of decision RTU motherboard bus.1,21 positions 0, S3C4510B control register 2EXTDBWTH the 20th position, expression nECS0 is by 8 mode addressing, and low 10 of register REFEXTCON are made as 0x360, and then the base address of nECS0 is 0x3600000.
With reference to Fig. 3, the CAN bus module is core with SJA1000, and communication data is isolated through high-speed photoelectric coupler G1, G2; 82C250 drives; Be connected to outside CAN bus from connection terminal J2, P1 is the DC/DC power module (being the B0505S chip, the inside and outside isolating chip of a power supply) that the 5V of 1W changes 5V; The CAN module uses H-S0 as chip selection signal, and its base address is 0x3600000.
Said SJA1000 is an independent CAN bus controller, has the desired complete characteristic of the CAN communication protocol of completion, and connects all functions of the physical and datalink layer that can accomplish the CAN bus through simple bus.Basic CAN pattern (BesicCAN) compatibility of its hardware and software design and PCA82C200, the enhancing CAN pattern (PeliCAN) that increases newly simultaneously also can be supported the CAN2.0B agreement.
Said high-speed photoelectric coupler G1 and G2 a kind ofly accept device and signal processing circuit etc. to infrared transmitter spare and infrared light and are encapsulated in the device in the same base.When input electrical signal is added on the input end luminescent device LED; LED is luminous, and optical receiving set spare is accepted light signal and converted electric signal to, then electric signal is directly exported; Perhaps the electric signal processing and amplifying is become the output of standard digital level, the conversion and the transmission that have so just realized " electricity-light-".Only the media of transmission because of input end and output terminal insulates, is also referred to as electric isolation on electric.
Its effect of said 82C250 is the differential reception and the sending function that can provide bus, and to realize the electrical isolation between each node on the bus, highest communication speed can reach 1Mb/s.
The software μ Clinux operating system of said energy-saving energy online monitoring system is to improve from linux operating system, is adapted to operate in the processor of the administrative unit MMU that makes an exception in this nothing of S3C4510B.Based on the energy-saving energy online monitoring system program of industrial computer-linux, can be transplanted to easily in the energy-saving energy online monitoring system of ARM-μ Clinux design.Said energy-saving energy online monitoring system procedure development comprises application development and Driver Development two parts, all adopts the C language.
1. energy-saving energy online monitoring system application program debugging
The debugging of energy-saving energy online monitoring system application program, use JTAG simulator tool and corresponding tool software with the programming of μ Clinux operating system in the 2M electronics flash memory of mainboard module.μ Clinux operating system is after operation on the mainboard module, and the tool software that can use μ Clinux operating system to provide upgrades self and application program on 2M electronics flash memory.Connect the serial ports of PC and the serial ports 0 of mainboard module, use the Windows hyper terminal, set up interactive relation with mainboard module.Mainboard module and PC are inserted same LAN, dispose suitable IP address, use file transfer services instrument FTP or TFTP, the μ Clinux application program of PC compiling is downloaded in mainboard module/ramdisk catalogue, carry out after changing attribute-executable into.In application program, add printf () function, the detecting information in the output implementation.
2.JFFS2 file system is used
JFFS2 is a kind of file system that designs for embedded system Flash storage file.Adding the JFFS2 file system during μ Clinux operating system compile option, the Flash of 2MB is divided into mtd0 and two districts of mtd1, respectively is 1MB.Said Mtd0 is the storage space since 0 address, is used to store μ Clinux operating system image file, and said Mtd1 is used for application storing.μ Clinux /the dev catalogue in, character device file mtd0, mtd1 and corresponding block device file mtdblock0, mtdblock1 are arranged.The support of JFFS2 file system has been arranged, used the document copying method of operating can the operating system and the application program of energy-saving energy online monitoring system be upgraded on 2M electronics flash memory.The exploitation of energy-saving energy online monitoring system and field adjustable can break away from the JTAG simulator tool, convenience are provided for energy-saving energy online monitoring system exploitation and maintenance.
3. upgrade the step of μ Clinux:
(1) arrives/the ramdisk/ catalogue with FTP transmission operating system file IMAGE.ROM;
(2) wipe mtd0 subregion: eraseall/dev/mtd0;
(3) IMAGE.ROM is write mtd0:cp/ramdisk/IMAGE.ROM/dev/mtd0.
After prompting operation was accomplished, the mainboard module that resets promptly moved new operating system.Because μ Clinux operating system is carried out in 16M byte dynamic RAM, upgrade in the operating system process and can not cut off the power supply.
4. renewal and the execution of application program on 2M electronics flash memory
(1) mtd1 subregion: mount-t-jffs2/dev/mtdblock/mnt is installed.This operation with the mtd1 subregion by the block device mode be installed in μ Clinux /the mnt catalogue in, the file storage of in/mnt catalogue, adding can not lost because of outage in 2M electronics flash memory.
(2) application program myapp is downloaded to/the ramdisk catalogue, cp/ramdisk/myapp/mnt has promptly accomplished the renewal of application program on 2M electronics flash memory then.
(3) revised file attribute: chmod755/mnt/myapp.
(4) execute file: ./mnt/myapp.
Behind the μ Clinux os starting, read and carry out/ order in the proc/rc file.The myapp application program is automatically performed, in the rc file, add mount-tjffs2/dev/mtdblock1/mnt./mnt/myapp, after the system start-up, the mtd1 subregion is installed automatically, executive utility myapp.
The present invention's energy-saving energy online monitoring system can save energy 5%, and stable and reliable for performance.
Claims (8)
1. energy-saving energy online monitoring system; It is characterized in that; Comprise mainboard module, remote signal module, remote control module, telemetry module, CAN bus module, serial port module, modulator-demodular unit; Said mainboard module through the RTU motherboard bus respectively with remote signal module, remote control module, CAN bus module, serial port module is two-way is connected, said serial port module is connected with modulator-demodular unit is two-way, said CAN bus module is connected with telemetry module is two-way.
2. energy-saving energy online monitoring system as claimed in claim 1; It is characterized in that; Said mainboard module comprises microprocessor, Ethernet interface, dynamic RAM, electronics flash memory, watchdog reset circuit, microprocessor bus, bus driving circuits; Said microprocessor with Ethernet interface, dynamic RAM, the electronics flash memory is two-way is connected; Said microprocessor is connected with watchdog reset circuit is unidirectional, integrated two asynchronous serial communication interface serial ports 0 of said microprocessor internal and serial ports 1.
3. energy-saving energy online monitoring system as claimed in claim 1 is characterized in that said serial port module is the PC16C550 serial port module.
4. energy-saving energy online monitoring system as claimed in claim 2 is characterized in that said microprocessor is the S3C4510B microprocessor.
5. energy-saving energy online monitoring system as claimed in claim 2 is characterized in that, said dynamic RAM is a 16M byte dynamic RAM.
6. energy-saving energy online monitoring system as claimed in claim 2 is characterized in that, said electronics flash memory is a 2M byte electronics flash memory.
7. energy-saving energy online monitoring system as claimed in claim 2 is characterized in that said watchdog reset circuit is the MAX507 chip.
8. energy-saving energy online monitoring system as claimed in claim 2; It is characterized in that; Said bus driving circuits is the internal communication bus of mainboard module; Adopt the bidirectional bus level translator 74LVX4245 of dual power supply, realize level conversion and driving between microprocessor bus and the RTU motherboard bus.
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| CN2011101622342A CN102346465A (en) | 2011-06-16 | 2011-06-16 | Energy-saving energy online monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103699102A (en) * | 2013-12-27 | 2014-04-02 | 山东三龙智能技术有限公司 | Distributed RTU (Remote Terminal Unit) system |
| CN105334779A (en) * | 2015-11-30 | 2016-02-17 | 国网浙江省电力公司绍兴供电公司 | Intelligent communication measurement and control device and debugging method thereof |
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| CN101267448A (en) * | 2008-05-09 | 2008-09-17 | 东北大学 | An intelligent protocol conversion device and method based on embedded QNX operating system |
| CN201312143Y (en) * | 2008-11-14 | 2009-09-16 | 北京太格时代自动化系统设备有限公司 | Measuring and control terminal of signal power supply |
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| JP2008033902A (en) * | 2006-06-30 | 2008-02-14 | Toshiba Corp | Alarm device |
| CN201113374Y (en) * | 2007-02-15 | 2008-09-10 | 湖南大学 | Electrical power system microcomputer protecting measuring and controlling device based on double CPU structure |
| CN101267448A (en) * | 2008-05-09 | 2008-09-17 | 东北大学 | An intelligent protocol conversion device and method based on embedded QNX operating system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103699102A (en) * | 2013-12-27 | 2014-04-02 | 山东三龙智能技术有限公司 | Distributed RTU (Remote Terminal Unit) system |
| CN105334779A (en) * | 2015-11-30 | 2016-02-17 | 国网浙江省电力公司绍兴供电公司 | Intelligent communication measurement and control device and debugging method thereof |
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Application publication date: 20120208 |