CN1159827C - Communication system for in-situ maintenance of electric distribution terminal - Google Patents
Communication system for in-situ maintenance of electric distribution terminal Download PDFInfo
- Publication number
- CN1159827C CN1159827C CNB001279300A CN00127930A CN1159827C CN 1159827 C CN1159827 C CN 1159827C CN B001279300 A CNB001279300 A CN B001279300A CN 00127930 A CN00127930 A CN 00127930A CN 1159827 C CN1159827 C CN 1159827C
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- China
- Prior art keywords
- distribution terminal
- infrared
- service port
- communication system
- maintenance
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Optical Communication System (AREA)
Abstract
The present invention discloses a field maintenance communication system of a distribution terminal in the field of electric power, which comprises an infrared transceiver (I) and an infrared transceiver (II), wherein the infrared transceiver (I) is positioned in the distribution terminal and comprises a transfer switch (A) for the communication modes of a maintenance port, an infrared transmitting unit (B) and an infrared receiving unit (C). The input end of the infrared transmitting unit (B) and the output end of the infrared receiving unit (C) are connected in series with the maintenance port of the distribution terminal through the transfer switch (A) for the communication modes of a maintenance port, and the infrared transceiver (II) comprises an infrared transmitting unit (B), an infrared receiving unit (C) and an RS232 interface. Therefore, the present invention is convenient for the field maintenance and improves the reliability of communication.
Description
The present invention relates to power domain, relate in particular to the electrical power distribution automatization system in the power domain.
In power domain, electrical power distribution automatization system is a very important part, electrical power distribution automatization system is that transformer station is exported to the integrated system that the power distribution network primary equipment between the end user monitors and controls, its main task is that supervision, control transformer station are exported to the primary equipment between the end user, and the coordination control between relevant transformer station's (gate out switch) in the responsible power distribution network.From the angle of product, electrical power distribution automatization system can be divided into main station system and distribution terminal.Wherein distribution terminal is the bottom equipment in the electrical power distribution automatization system, be responsible for on-the-spot remote measurement, remote signalling, data acquisition, remote control is carried out and and main station system between communication.For the ease of the upgrading of distribution terminal systems soft ware and the download and the demarcation of maintenance and various parameters, distribution terminal generally all has the function of online download and upgrade.Download is divided into remote download and local the download.Remote download is undertaken by the communication port of distribution terminal and main website, and local the download undertaken by service port.Communication port between distribution terminal and the main website requires to adapt to multiple communication modes such as distribution line carrier, optical fiber, wireless, special line passage and telephone channel, generally all be designed to compatible RS232 of energy and RS422/485 interface, the distribution terminal service port is generally only required and the computer communication, mostly be designed to RS232 interface or RS422/485 interface, connect by cable and carry out exchanges data.In addition, distribution terminal generally all runs on outdoor environment, and mostly is installed on the electric pole under open air, the high-tension electricity, is to adapt to adverse circumstances, and device should adopt hermetically sealed shell.According to the distribution terminal state of the art, distribution terminal generally all carries out the download and the demarcation of all kinds of parameters by service port before dispatching from the factory, and dispatches from the factory after qualified after tested.Distribution terminal is after Installation and Debugging finish at the scene, through confirming and the main website communication just can put into operation after errorless that later maintenance work is mainly finished by remote download.In a single day the shortcoming of such scheme mainly shows in the time of need safeguarding by service port the distribution terminal that has put into operation according to actual operating position, the system maintenance personnel just must be with the relevant device ascend operation, operating difficulties not only, and must open locking device, make the distribution terminal internal unit be directly exposed to abominable outdoor environment, cause device reliability to reduce easily.
The purpose of this invention is to provide a kind of distribution terminal that can make things convenient for on-site maintenance, improve the communication reliability
Communication system for in-situ maintenance of electric is to overcome on-site maintenance difficulty in the prior art, shortcoming that reliability is low.
For achieving the above object, the present invention has constructed a kind of communication system for in-situ maintenance of electric distribution terminal, and this system forms by first infrared transceiver that is installed in distribution terminal inside and by second infrared transceiver two parts of attendant's operation.First infrared transceiver that is installed in distribution terminal inside is made up of several parts such as service port communication modes change over switch, infrared emission unit, infrared receivers.Wherein, the output of the input of infrared emission unit and infrared receiver is connected with the service port of distribution terminal by service port communication modes change over switch; Described service port communication modes change over switch is by switching the output and the input series connection that the output of distribution terminal service port and input can be returned to RS232; By switching service port communication modes change over switch, both can realize adopting between distribution terminal and the computer wire communication mode of communication cable, also can realize adopting between distribution terminal and the computer ultrared wireless communication mode.Second infrared transceiver by attendant's operation is made up of infrared emission unit, infrared receiver and RS232 interface.
According to the structural design needs, first infrared transceiver that is installed in distribution terminal inside both can be installed on the veneer with the distribution terminal service port, also can be designed to a module separately, be installed in distribution terminal inside and be easy to transmit and receive ultrared place.In addition, for guaranteeing that infrared ray can reliably pass in and out distribution terminal, keep the sealing of distribution terminal rack simultaneously, the distribution terminal rack should design a sealing, transparent window.
Because the present invention has adopted the infrared-ray communication technology, when the distribution terminal that has put into operation is safeguarded by service port, the system maintenance personnel just need not be with relevant device to carry out work high above the ground, for on-site maintenance good effect is arranged, not only saved the on-site maintenance time, reduce work of maintenance personnel intensity, improved operating efficiency, also improved the reliability of distribution terminal.
The invention will be further described below in conjunction with accompanying drawing;
Fig. 1 is the communication system theory diagram that is used for in-situ maintenance of electric distribution terminal that the present invention constructs;
Fig. 2 is the described infrared emission unit theory diagram of Fig. 1;
Fig. 3 is the described infrared receiver theory diagram of Fig. 1;
Fig. 4 is the infrared emission unit circuit theory diagrams as the embodiment of the invention;
Fig. 5 is the infrared receiver circuit theory diagrams as the embodiment of the invention.
Fig. 1 is the communication device theory diagram that is used for in-situ maintenance of electric distribution terminal that the present invention constructs, by the infrared-ray communication technology is applied to the distribution terminal product; Realize adopting wireless mode that distribution terminal is carried out on-site maintenance.This device is formed by the first infrared transceiver I that is installed in distribution terminal inside and by second infrared transceiver II two parts of attendant's operation.Wherein, service port communication modes change over switch both can adopt toggle switch, also can adopt multiple mode such as wire jumper, and to be transmission signal (TXD) that in-situ maintenance of electric distribution terminal is used and received signal (RXD) switch between RS232 transceiving device (as ADM202) and infrared emission, receiving element in main effect.The infrared signal modulation system both can adopt amplitude modulation(PAM), also can adopt frequency modulation(FM).
Shown in Figure 2 is infra-red ray transmitting unit General Principle block diagram of the present invention.Infra-red ray transmitting unit is made up of modulation circuit, drive circuit and infrared device.After the signal of needs transmission enters infra-red ray transmitting unit, send signal and modulated by modulation circuit, the infrared signal modulation system both can adopt amplitude modulation(PAM), also can adopt frequency modulation(FM), transmission signal control drive circuit after the modulation drives the infrared device, sends infrared signal.
Shown in Figure 3 is infrared ray receiving element General Principle block diagram of the present invention.The infrared ray receiving element is made up of infrared receiver spare, pre-amplification circuit and demodulator circuit.When infrared receiver device is received the infrared signal that infrared emission unit sends, it becomes the signal of telecommunication with infrared signal and sends into preamplifier and amplify, behind demodulator, detect the signal that infrared emission unit sends again, export distribution terminal at last to.
Figure 4 shows that a kind of enforceable electrical schematic diagram of the infrared emission unit that adopts the frequency modulation(FM) mode.Among the figure, produce the carrier wave of the square wave (for example being 38kHz) of a fixed frequency by CMOS gate circuit and quartz crystal as infrared emission unit, carry out frequency modulation(FM) to sending signal (TXD) then, this modulated signal is modulated light source at last, the light pulse that output frequency constantly changes.By suitably choosing amplifier VT1 and infrarede emitting diode, scalable infrared emission power is to adapt to different transmission ranges.The transmission range of embodiment can reach 5～8 meters.
Figure 5 shows that a kind of enforceable electrical schematic diagram of the infrared receiver that adopts the frequency modulation(FM) mode.Embodiment is made up of integrated infrared receiver IRM-8601S (centre frequency 38kHz).After IRM-8601S reception, frequency-selecting amplification, demodulation, import the receiving terminal of distribution terminal when the infrared signal of coming through spatial transmission.
The present invention adopts infrared ray to realize the on-the-spot advanced function that distribution terminal is carried out wireless maintenance, and need not make any change to the distribution terminal software section, greatly reduce work of maintenance personnel intensity, improved operating efficiency, also avoided because of the attendant directly and equipment is directly exposed to equipment dependability is reduced operation of equipment.
Claims (7)
1, a kind of communication system for in-situ maintenance of electric distribution terminal is characterized in that, comprises first infrared transceiver (I) and second infrared transceiver (II);
Described first infrared transceiver (I) is installed in distribution terminal inside, comprises service port communication modes change over switch (A), infrared emission unit (B) and infrared receiver (C); The output of the input of described infrared emission unit (B) and described infrared receiver (C) is connected with the output and the input of distribution terminal service port respectively by described service port communication modes change over switch (A); Described service port communication modes change over switch (A) is by switching the output and the input series connection that the output of distribution terminal service port and input can be returned to RS232;
Described second infrared transceiver (II) is made up of infrared emission unit (B '), infrared receiver (C ') and RS232 interface; Described infrared emission unit (B '), infrared receiver (C ') respectively with the input and the output series connection of RS232 interface; Described second infrared transceiver (II) is connected with the PC with RS232 serial ports by the RS232 interface.
2, communication system for in-situ maintenance of electric distribution terminal according to claim 1 is characterized in that, the service port of described first infrared transceiver (I) and distribution terminal is on a veneer.
3, communication system for in-situ maintenance of electric distribution terminal according to claim 1 is characterized in that, described first infrared transceiver (I) is an independent modular unit.
4, communication system for in-situ maintenance of electric distribution terminal according to claim 1 is characterized in that, the modulation system of infrared signal is an amplitude modulation(PAM).
According to the described communication system for in-situ maintenance of electric distribution terminal of claim 1, it is characterized in that 5, the modulation system of infrared signal is frequency modulation(FM).
According to the described communication system for in-situ maintenance of electric distribution terminal of claim 1, it is characterized in that 6, described service port communication modes change over switch (A) adopts toggle switch.
According to the described communication system for in-situ maintenance of electric distribution terminal of claim 1, it is characterized in that 7, described service port communication modes change over switch (A) adopts jumper switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001279300A CN1159827C (en) | 2000-12-19 | 2000-12-19 | Communication system for in-situ maintenance of electric distribution terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001279300A CN1159827C (en) | 2000-12-19 | 2000-12-19 | Communication system for in-situ maintenance of electric distribution terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1360387A CN1360387A (en) | 2002-07-24 |
| CN1159827C true CN1159827C (en) | 2004-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001279300A Expired - Fee Related CN1159827C (en) | 2000-12-19 | 2000-12-19 | Communication system for in-situ maintenance of electric distribution terminal |
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| Country | Link |
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| CN (1) | CN1159827C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106354061A (en) * | 2016-10-13 | 2017-01-25 | 南京河海南自水电自动化有限公司 | Telemetering terminal and operation method thereof |
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2000
- 2000-12-19 CN CNB001279300A patent/CN1159827C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1360387A (en) | 2002-07-24 |
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| C14 | Grant of patent or utility model | ||
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Owner name: BEIJING POWER ECONOMIC RESEARCH INSTITUTE Free format text: FORMER OWNER: ZTE CORPORATION Effective date: 20140129 Owner name: STATE GRID BEIJING ELECTRIC POWER COMPANY CHINA TE Effective date: 20140129 |
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Free format text: CORRECT: ADDRESS; FROM: 518057 SHENZHEN, GUANGDONG PROVINCE TO: 100055 XICHENG, BEIJING |
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Effective date of registration: 20140129 Address after: 100055 No. 15 West Street, Guanganmen station, Beijing, Xicheng District Patentee after: State Power Economic Research Institute Patentee after: State Grid Beijing Electric Power Company Patentee after: CHINA TECHNOLOGY EXCHANGE CO., LTD. Address before: 518057 Nanshan District science and Technology Industrial Park, Guangdong high tech Industrial Park, ZTE building Patentee before: ZTE Corporation |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040728 Termination date: 20141219 |
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| EXPY | Termination of patent right or utility model |