CN203491791U - Communication device for cable fault indicator - Google Patents
Communication device for cable fault indicator Download PDFInfo
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- CN203491791U CN203491791U CN201320547341.1U CN201320547341U CN203491791U CN 203491791 U CN203491791 U CN 203491791U CN 201320547341 U CN201320547341 U CN 201320547341U CN 203491791 U CN203491791 U CN 203491791U
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- cable fault
- fault indicator
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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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Abstract
The utility model discloses a communication device for a cable fault indicator, and the device comprises a PC debugging terminal, an on-site indicator, and a remote control center. The device is characterized in that the device comprises a communication unit, a data transmission unit, a power detection and control unit, an input/output unit, an MCU master-control unit, and a serial EEPROM unit; and the superiority lies in that: 1, a signal is received through employing wireless communication, thereby bringing convenience to on-site installation and debugging, and saving time and labor; 2, the device can accurately detect the section where a fault of a power grid happens and the type of the fault, and can effectively search the fault; 3, the cost is low, the structure is simple, the operation is easy, and the maintenance is easy.
Description
(1) technical field:
The utility model belongs to electric power transmission line technical field, especially a kind of cable fault indicator communication device.
(2) background technology:
Cable fault indicator communication unit is mounted in power distribution network ring main unit and cable branch box, has the distribution automation remote terminal of the functions such as remote signalling and cable fault signals collecting.Communication unit adopts wireless mode and cable fault indicator to carry out real-time communication, obtain the various detection data of fault detector, and by GRPS/GSM, information is sent to background terminal command and control center, in command and control center, have and show and control terminal, can monitor each high-tension line state; When breaking down, command and control center can intervention schedule related personnel be on the scene and processes.1 communication unit can 12 fault detectors of maximum supervision.
With regard to current cable fault indicator communication unit system, when being connected with indicating device, be substantially all to connect by modes such as optical fiber or holding wires, be not easy to on-the-spot installation and debugging and waste time and energy; Aspect power supply, adopting the mode that voltage transformer is installed more, the cost of increasing input, and can bring potential safety hazard to system; With remote control terminal communication aspect adopt installation communication cable more, increase cost, and extremely inconvenient.
(3) utility model content:
The purpose of this utility model is to design a kind of cable fault indicator communication device, and it can overcome the deficiencies in the prior art, is a kind of easy care simple in structure, easy to operate, the communication device that time saving and energy saving, cost low-security is high.
The technical solution of the utility model: a kind of cable fault indicator communication device, comprise PC debug terminal, on-the-spot indicating device and remote control center, it is characterized in that it comprises communication unit, data transmission unit, power supply Detection & Controling unit, I/O unit, MCU(Micro Control Unit---micro-control unit) main control unit and serial EEPROM (Electrically-Erasable Programmable Read-Only Memory---the electronics formula of erasing can be made carbon copies read-only memory) unit; Wherein said communication unit is two-way with PC debug terminal, on-the-spot indicating device, remote control center and data transmission unit respectively and is connected; Described MCU Main Processing Unit is two-way with Serial E EPRPM unit and is connected with data transmission unit, power supply Detection & Controling unit, I/O unit respectively.
Described communication unit is by serial input module, wireless communication module and communications protocol cell formation; Wherein, described serial input module PC debug terminal and data transmission unit are two-way connection; Described wireless communication module is two-way with on-the-spot indicating device and data transmission unit and is connected; Described communications protocol unit is two-way with remote control center and data transmission unit and is connected.
Described serial input module is RS232 serial input module.
Described wireless communication module is wireless transmission antenna.
Described data transmission unit is by serial communication module, radio-frequency (RF) receiving and transmission module and DTU(Date Transfer Unit---data link) communication module formation; Wherein, described serial communication module is two-way with RS232 serial input module with MCU Main Processing Unit respectively and is connected; Described radio-frequency (RF) receiving and transmission module is two-way with wireless communication module and MCU Main Processing Unit respectively and is connected; Described DTU communication module is two-way with communications protocol unit and MCU Main Processing Unit respectively and is connected.
Described radio-frequency (RF) receiving and transmission module is Zigbee radio-frequency (RF) receiving and transmission module.
Described power supply Detection & Controling unit is by CT(Current Transformer---current transformer) electricity-fetching module, super-capacitor module and 220V supply module form; And being two-way with MCU Main Processing Unit is respectively connected.
Described I/O unit is to consist of switching input module, optocoupler output module and relay output module; And being two-way with MCU Main Processing Unit is respectively connected.
Described I/O unit is the I/O unit that comprises 30 way switch amount input modules, 1 road optocoupler output module and 1 road relay output module.
The switching value input of described 30 way switch amount input modules is passive contact inputs; The loop voltage of switching input module is DC24V; The light-coupled isolation amount of described optocoupler output module is 500VDC; The relay of described relay output module is for often leaving node.
Global system for mobile communications that described communications protocol unit is to adopt GPRS(General Packet Radio Service---GPRS) or GSM(Global System for Mobile Communications---) unit of agreement.
Operation principle of the present utility model: (1) MCU Main Processing Unit (see figure 2): control unit adopts PIC8 position single-chip microcomputer conventionally, there is good stability and antijamming capability, can control clock chip, serial port chip, Flash storage chip, wireless communication module, GPRS/GSM communication module, button, the operation of toggle switch part; In order to reduce power consumption, single-chip microcomputer shakes employing twin crystal, adopts 4MHz external crystal-controlled oscillation when working, and while not working, will enter resting state, adopts inner low frequency crystal oscillator; (2) data transmission unit (see figure 2): wireless transmission unit is divided into three parts a: part is to adopt wireless module to realize with on-the-spot maximum 12 indicating devices to carry out both-way communication, a part adopts DTU(GRPS/GSM pattern) and control centre keep in touch, to control centre's transmission data, a part adopts serial ports to debug; Realize by ZigBee wireless module with the communication of indicating device.Wireless module part usually and indicating device keep in communication, and break down and set up communication when control centre needs real time data at high-voltage line; With the communication of control centre be by DTU module, the opening time of DTU and frequency need to control, to meet the requirement of low-power consumption; (3) I/O unit (see figure 3): Gong12 road, every road 5V/3mA; Intake is passive contact input; Digital quantity input circuit voltage is DC24V; The isolation of 500VDC photoelectricity; Logic state: closed pair is answered binary code " 1 ", disconnects corresponding binary code " 0 "; Remote signalling disappears, and to tremble time range (anti-shake ability) 10ms～100ms adjustable; Sequence of events recording (SOE) resolution≤2ms; Digital output mode is relay normally open node; The remote signalling of arbitrfary point, any amount can be merged into some remote signalling and upload main website; (4) power supply Detection & Controling unit (see figure 3): adopt alternating current 220V power supply or CT power taking pattern, with power distribution automation master station communication, upload remote signalling amount and cable fault signal.Adopt super capacitor to make back-up source, in main power source dead electricity situation, back-up source can maintain communication unit work 30 minutes.Under normal circumstances, terminal is preferentially selected ac power supply method, once AC power and CT power supply are all interrupted, terminal will automatically switch to super capacitor supply power mode in undisturbed situation.When AC power restores electricity, the terminal ac power supply method that will automatically switch back, in handoff procedure, terminal is all normally worked.Terminal power work state has indicator light to show, the normal bright expression Alternating Current Power Supply pattern of power lights, every light on and off in a second, represents CT powering mode, and terminal power lights under mode of operation goes out and represents in super capacitor powering mode.Terminal can realize the Stateful Inspection to power supply, Power supply situation can be uploaded to main website in remote signalling mode.
Superiority of the present utility model is: 1. adopts wireless telecommunications to receive signal, is convenient to on-the-spot installation and adjustment, and time saving and energy saving; 2. the section that detection of grid breaks down accurately and reliably and fault type, search cable fault efficiently; 3. low, simple in structure, easy to operate, the easy care of cost.
(4) accompanying drawing explanation:
Fig. 1 is the overall structure figure of the related a kind of cable fault indicator communication device of the utility model.
Fig. 2 is the fundamental diagram of the related a kind of cable fault indicator communication device of the utility model.
Fig. 3 is the power supply Detection & Controling power supply of the related a kind of cable fault indicator communication device of the utility model and the fundamental diagram of I/O unit.
(5) embodiment:
Embodiment: a kind of cable fault indicator communication device (see figure 1), comprise PC debug terminal, on-the-spot indicating device and remote control center, it is characterized in that it comprises communication unit, data transmission unit, power supply Detection & Controling unit, I/O unit, MCU Main Processing Unit and serial EEPROM unit; Wherein said communication unit is two-way with PC debug terminal, on-the-spot indicating device, remote control center and data transmission unit respectively and is connected; Described MCU Main Processing Unit is two-way with Serial E EPRPM unit and is connected with data transmission unit, power supply Detection & Controling unit, I/O unit respectively.
Described communication unit (see figure 1) is by serial input module, wireless communication module and communications protocol cell formation; Wherein, described serial input module PC debug terminal and data transmission unit are two-way connection; Described wireless communication module is two-way with on-the-spot indicating device and data transmission unit and is connected; Described communications protocol unit is two-way with remote control center and data transmission unit and is connected.
Described serial input module (see figure 1) is RS232 serial input module.
Described wireless communication module (see figure 1) is wireless transmission antenna.
Described data transmission unit (see figure 1) is to consist of serial communication module, radio-frequency (RF) receiving and transmission module and DTU communication module; Wherein, described serial communication module is two-way with RS232 serial input module with MCU Main Processing Unit respectively and is connected; Described radio-frequency (RF) receiving and transmission module is two-way with wireless communication module and MCU Main Processing Unit respectively and is connected; Described DTU communication module is two-way with communications protocol unit and MCU Main Processing Unit respectively and is connected.
Described radio-frequency (RF) receiving and transmission module (see figure 1) is Zigbee radio-frequency (RF) receiving and transmission module.
Described power supply Detection & Controling unit (see figure 1) is to consist of CT electricity-fetching module, super-capacitor module and 220V supply module; And being two-way with MCU Main Processing Unit is respectively connected.
Described I/O unit (see figure 1) is to consist of switching input module, optocoupler output module and relay output module; And being two-way with MCU Main Processing Unit is respectively connected.
Described I/O unit (see figure 1) is the I/O unit that comprises 30 way switch amount input modules, 1 road optocoupler output module and 1 road relay output module.
The switching value input of described 30 way switch amount input modules is passive contact inputs; The loop voltage of described switching input module is DC24V; The light-coupled isolation amount of described optocoupler output module is 500VDC; The relay of described relay output module is for often leaving node.
Described communications protocol unit is the unit that adopts GPRS agreement.
Claims (10)
1. a cable fault indicator communication device, comprise PC debug terminal, on-the-spot indicating device and remote control center, it is characterized in that it comprises communication unit, data transmission unit, power supply Detection & Controling unit, I/O unit, MCU Main Processing Unit and serial EEPROM unit; Wherein said communication unit is two-way with PC debug terminal, on-the-spot indicating device, remote control center and data transmission unit respectively and is connected; Described MCU Main Processing Unit is two-way with Serial E EPRPM unit and is connected with data transmission unit, power supply Detection & Controling unit, I/O unit respectively.
2. a kind of cable fault indicator communication device according to claim 1, is characterized in that described communication unit is by serial input module, wireless communication module and communications protocol cell formation; Wherein, described serial input module PC debug terminal and data transmission unit are two-way connection; Described wireless communication module is two-way with on-the-spot indicating device and data transmission unit and is connected; Described communications protocol unit is two-way with remote control center and data transmission unit and is connected.
3. a kind of cable fault indicator communication device according to claim 2, is characterized in that described serial input module is RS232 serial input module.
4. a kind of cable fault indicator communication device according to claim 2, is characterized in that described wireless communication module is wireless transmission antenna.
5. a kind of cable fault indicator communication device according to claim 2, is characterized in that described communications protocol unit is the unit that adopts GPRS or gsm protocol.
6. a kind of cable fault indicator communication device according to claim 1, is characterized in that described data transmission unit is to consist of serial communication module, radio-frequency (RF) receiving and transmission module and DTU communication module; Wherein, described serial communication module is two-way with RS232 serial input module with MCU Main Processing Unit respectively and is connected; Described radio-frequency (RF) receiving and transmission module is two-way with wireless communication module and MCU Main Processing Unit respectively and is connected; Described DTU communication module is two-way with communications protocol unit and MCU Main Processing Unit respectively and is connected.
7. a kind of cable fault indicator communication device according to claim 6, is characterized in that described radio-frequency (RF) receiving and transmission module is Zigbee radio-frequency (RF) receiving and transmission module.
8. a kind of cable fault indicator communication device according to claim 1, is characterized in that described power supply Detection & Controling unit is to consist of CT electricity-fetching module, super-capacitor module and 220V supply module; And being two-way with MCU Main Processing Unit is respectively connected.
9. a kind of cable fault indicator communication device according to claim 1, is characterized in that described I/O unit is to consist of switching input module, optocoupler output module and relay output module; And being two-way with MCU Main Processing Unit is respectively connected.
10. a kind of cable fault indicator communication device according to claim 9, is characterized in that described I/O unit is the I/O unit that comprises 30 way switch amount input modules, 1 road optocoupler output module and 1 road relay output module; The switching value input of described 30 way switch amount input modules is passive contact inputs; The loop voltage of described switching input module is DC24V; The light-coupled isolation amount of described optocoupler output module is 500VDC; The relay of described relay output module is for often leaving node.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320547341.1U CN203491791U (en) | 2013-09-04 | 2013-09-04 | Communication device for cable fault indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320547341.1U CN203491791U (en) | 2013-09-04 | 2013-09-04 | Communication device for cable fault indicator |
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| Publication Number | Publication Date |
|---|---|
| CN203491791U true CN203491791U (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320547341.1U Expired - Fee Related CN203491791U (en) | 2013-09-04 | 2013-09-04 | Communication device for cable fault indicator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198857A (en) * | 2014-09-03 | 2014-12-10 | 广西电网公司电力科学研究院 | Fault indicator remote transmission communication terminal |
-
2013
- 2013-09-04 CN CN201320547341.1U patent/CN203491791U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198857A (en) * | 2014-09-03 | 2014-12-10 | 广西电网公司电力科学研究院 | Fault indicator remote transmission communication terminal |
| CN104198857B (en) * | 2014-09-03 | 2018-04-13 | 广西电网公司电力科学研究院 | Fault detector distant communication terminal |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20140319 Termination date: 20170904 |