CN203193262U - High-integration integrated automation protective device with on-line temperature measurement and arc light monitoring - Google Patents

High-integration integrated automation protective device with on-line temperature measurement and arc light monitoring Download PDF

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Publication number
CN203193262U
CN203193262U CN2013200546187U CN201320054618U CN203193262U CN 203193262 U CN203193262 U CN 203193262U CN 2013200546187 U CN2013200546187 U CN 2013200546187U CN 201320054618 U CN201320054618 U CN 201320054618U CN 203193262 U CN203193262 U CN 203193262U
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Prior art keywords
temperature measurement
arc light
arm processor
monitoring
unit
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CN2013200546187U
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Chinese (zh)
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毛金敏
王荣
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Co - run intelligent control Limited by Share Ltd
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ZHEJIANG KERUN POWER EQUIPMENT CO Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/20Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems

Abstract

Provided is a high-integration integrated automation protective device with on-line temperature measurement and arc light monitoring. The device comprises an ARM processor, a hardware phase-locked loop module, and a motion execution unit. A signal acquisition end of the ARM processor is connected with an I/U sampling unit and the motion execution unit. The signal acquisition end of the ARM processor is also connected with an arc light monitoring unit and an on-line temperature measurement unit. A signal transmission end of the ARM processor is provided with a communication module. The device solves problems of synthesis technology of integrated automated protection and a monitoring device, and improvement of high integration and economical efficiency of the automated protection, etc. The device realizes high integration of the on-line temperature measurement and arc light monitoring in a high-tension switch board with an existing integrated automation protective device, so that use safety performance of the on-line automated protection and monitoring of the intelligent switch board is further improved, and cost is greatly reduced.

Description

High integrated comprehensive automation protective device with the monitoring of temperature measurement on-line and arc light
Technical field
The utility model patent relates to equipment for power transmission and distribution automation resist technology field, is specifically related to a kind of have Medium Voltage Switchgear temperature measurement on-line and arc light monitoring and the high integrated comprehensive automation protection system device of the automation of transformation substations comprehensive declaration form unit.
Background technology
In high-tension switch cabinet on-line intelligence monitoring technology; wireless temperature measurement and arc light monitoring function also obtain exploitation gradually; but all just have separate modular and control device; the intelligent switchboard system cost is increased; and in the cabinet configuration is installed and wiring increases, the stability of protecting to The whole control and safe spacing etc. bring the new hidden danger of fail safe aspect.
Combine in the insurance system device in the automation of transformation substations at present; usually adopting arm processor is central processing unit; by I/U sampling unit, insulation monitoring protected location and residual current protective unit etc., realize defencive functions such as current protection, cable insulation Pilot line protection, earth leakage protective, voltage protection.Adopt integrated protection and wireless temperature measurement, arc light monitoring two parts of switch cubicle separate control and protection, its cost height, circuit are mixed more, and integrated level is low, brings new hidden danger to the safety of switch cubicle.Owing to do not have thermometric and arc light monitoring modular in the integrated protection, make the device overall performance not high, integrated level is poor, and particularly inconvenient operation, upgrading improve also relatively difficulty, and these all can not satisfy the needs of electric power system automation development.
The utility model content
The design's technical purpose is further comprehensive exploitation intelligent protection technology; solve the problem of existing intelligent switchboard temperature measurement on-line, arc light monitoring and the discrete monitoring and protection of comprehensive automation protection system device; develop high integrated comprehensive Intellectualized monitoring device; reach and reduce production costs and the reduction means space; promote the high integration of comprehensive automation protective device; and reduce the cost of investment that intelligent grid is transformed, promote the security performance of switch cubicle.
The technical scheme that the technical problem that the utility model solves adopts is:
A kind of high integrated comprehensive automation protective device with temperature measurement on-line and arc light monitoring comprises arm processor, hardware phase-locked-loop module and action execution unit; arm processor signals collecting end is connected with I/U sampling unit, action execution unit; it is characterized in that arm processor signals collecting end also is connected with arc light monitoring means and temperature measurement on-line unit, arm processor signal transmission ends is provided with communication module.
Arm processor is CPU.Arm processor has become abundant peripheral control unit at chip integration, and the ARM processor do not need peripheral hardware is carried out bridge joint when accessed peripheral, all is to adopt real address mode to the visit of peripheral hardware.All peripheral hardwares all are to be connected on the AMBA bus, according to the distribution of address in system space, by inside integrated Memory Controller conduct interviews, control.
Action execution unit is by the judgment processing of arm processor to the information of input, and when finding unusual parameter is arranged, action execution unit is carried out corresponding action.The input signal of arc light monitoring means detects arc light and heavy current at feeder line; Detect secondary arc light and heavy current at bus; Detect lasting 600 seconds heavy current at bus, feeder line, when satisfying trip condition, action execution unit is sent instruction, trips rapidly, guarantees the safety of equipment.
I/U sampling unit collection capacity comprises: line voltage Ua, Ub, Uc, Uo, electric current I a, Ic, Uo.Mainly be the analog signal that PT, CT export to be kept converting to CPU through signal condition, low-pass filtering, sampling carry out the required voltage sample hardware phase-locked-loop module realization hardware synchronization AC sampling of AD conversion.
The arc light monitoring means is monitored sampling by pressure sensor or arc photosensor etc., and its signal is analyzed by arm processor and judged.Electric power system is owing to various short circuit reasons can cause arc light, and arc light can destroy any material in the way with the speed outburst of 300m/s.As long as do not cut off the power supply in the system, arc light will exist always.The arc light monitoring means reduces the harm of arc light to greatest extent, promptly breaking arc light.
The temperature measurement on-line unit compares the problem of crossing the border and reporting to the police for measuring the temperature that contact of breaker etc. is located with user-defined pre-seting; Solving original In-Line Temperature Measure System can not store historical data, makes the staff can not pass through analytical equipment history run situation, thereby draws the problem of incipient fault.
The hardware phase-locked-loop module is a kind of feedback circuit, and its effect is to make clock on the circuit and the Phase synchronization of a certain external clock.Phase-locked loop by external signal relatively phase place and realized synchronously by the phase place of VCXO, in process relatively, phase-locked loop circuit can constantly be adjusted the clock phase of local crystal oscillator according to the phase place of external signal, up to the Phase synchronization of two signals.Phase-locked loop can not only make output signal frequency and frequency input signal synchronously strict, but also have frequency tracking characteristic, so it all has a wide range of applications in the every field of electronic technology after locking.The hardware synchronization sampling method is to produce the sampling pulse that is synchronized with measured signal by special hardware circuit.Sampled signals such as arc light monitoring, temperature measurement on-line are realized the synchronous AC sampling by the hardware phase-locked-loop module.
Communication module: system can adopt CAN communication, can realize reliably and the communicating by letter of host computer, and by communication module, can be transferred to background monitoring system to each parameter in real time.
The utility model is that intelligent protection device integrates " measure, control, protect, communicate by letter " four big functions.Newly-increased contact of breaker temperature measurement on-line and arc light Monitoring and Controlling electronics plate in complex protection device; power supply and communication part are utilized power panel and the communication signal interface in the former comprehensive automation device; be connected with newly-increased electric function plate by winding displacement and socket; fault electric arc and contact temperature on-line monitoring and the fusion of former comprehensive automation protective device, promoted the Highgrade integration of the automatically-monitored technology of intelligent multi-function greatly.
The intellectualized module that will have the fault electric arc tracking and monitoring incorporates in the automation of transformation substations complex protection device unit with integrated electronics plate structural shape, the fault electric arc monitoring function utilizes power panel, signal and communication plate, the check-out console of complex protection device, realize combining the integrated function expansion of guarantor, at last by optical fiber with the accessible transformer station's background monitoring system that is transferred to of fault-signal, realize the on-line monitoring to fault electric arc.
During concrete enforcement, arm processor signals collecting end is connected with insulation monitoring protected location and residual current protective unit.
The insulation monitoring protected location is by the electric current between measurement pilot wire and the ground wire, and then realizes insulation monitoring with monitor voltage by the method that Ohm's law calculates resistance.
Residual current protective unit: can utilize software to select the phase method, by comparing the phase place of residual voltage, zero-sequence current, can realize selective earth leakage protection, and also irrelevant with the neutral point mode of connection.
During concrete enforcement, arm processor is connected with the man-machine interface unit.
The man-machine interface unit: system's man-machine interface is made up of LCD, LED and Infrared remote controller.The LCD LCD is used for dynamically showing information such as real time data, mainly comprises menu demonstration, system parameters and function setting demonstration, self check demonstration, the fault of LCD, alarm type demonstration, the demonstration of real-time grid parameter, divide-shut brake demonstration etc.LED light, display system running status, fault type, divide-shut brake situation intuitively.For system safety and easy to operate, adopt Infrared remote controller that it is controlled.Infrared signal is received by an integrated infrared receiving terminal, is connected on the external interrupt of STM32F103, realizes decoding by interrupt service routine.Infrared remote controller has function keys such as function setting, parameter tuning adjustment, operational factor inquiry, System self-test and closing by hand.
Integrated protection of the present utility model has strong real-time, high reliability, extensibility, stronger network communications capability reaches more friendly human-computer interaction interface.
During concrete enforcement, the intellectualized module that will have the contact temperature measurement on-line incorporates in the automation of transformation substations complex protection device unit with integrated electronics plate structural shape, the power panel of temperature measurement on-line functional utilization complex protection device, signal and communication plate, check-out console, realize combining the integrated function expansion of guarantor, then by optical fiber temperature is transferred to transformer station's background monitoring system, realizes the online monitoring temperature to switch cubicle.Be integrated in the comprehensive automation device by " fault electric arc monitoring and temperature measurement on-line " function, form highly integrated automation module and electronics plate.Technological synthesis such as fault electric arc monitoring and temperature measurement on-line in automation equipment, are formed one and have the integrated automatic monitored control system of the multi-functional height in a distant place.
The beneficial effects of the utility model are: the utility model solves the complex art of comprehensive automation protection and supervising device; problems such as the high integration of lifting automation protection and economy; realize the highly integrated of temperature measurement on-line and arc light monitoring in the high-tension switch cabinet and present comprehensive automation protective device; further promote on-line automaticization of intelligent switchboard and combined the usage safety performance of protecting and monitoring, and greatly reduced cost.
Description of drawings
Below in conjunction with drawings and Examples utility model is further specified.
Fig. 1 is the functional-block diagram of the utility model patent working example.
Among the figure: 1, arm processor 2, arc light monitoring means 3, temperature measurement on-line unit 4, I/U sampling unit 5, hardware phase-locked-loop module 6, action execution unit 7, man-machine interface unit 8, CAN communication module 9, insulation monitoring protected location 10, residual current protective unit 11, power supply
Embodiment:
In Fig. 1; a kind of high integrated comprehensive automation protective device with temperature measurement on-line and arc light monitoring comprises arm processor 1, power supply 11, hardware phase-locked-loop module 5, man-machine interface unit 7 and action execution unit 6; arm processor 1 signals collecting end is connected with I/U sampling unit 4, arc light monitoring means 2, temperature measurement on-line unit 3, insulation monitoring protected location 9, residual current protective unit 10, and arm processor 1 signal transmission ends is provided with CAN communication module 8.
The utility model carries out analysis and judgement by the signal of samplings such as 1 pair of I/U sampling unit 4 of arm processor, arc light monitoring means 2, temperature measurement on-line unit 3, insulation monitoring protected location 9, residual current protective unit 10; detect on the feeder line when detecting that arc light and heavy current, contact of breaker temperature are too high, insulation property problem and electric leakage signal etc., action execution unit 6 is sent instruction and is taked corresponding safeguard measure.Hardware phase-locked-loop module 5 is a kind of feedback circuits, and its effect is to make clock on the circuit and the Phase synchronization of a certain external clock.Hardware phase-locked-loop module 5 guarantees that sampled signals such as arc light monitoring, temperature measurement on-line are by the sampling of hardware phase-locked-loop module realization synchronous AC.CAN communication module 8 can be transferred to background monitoring system to each parameter in real time.Man-machine interface unit 7 is made up of LCD, LED and Infrared remote controller.The LCD LCD is used for dynamically showing information such as real time data, mainly comprises menu demonstration, system parameters and function setting demonstration, self check demonstration, the fault of LCD, alarm type demonstration, the demonstration of real-time grid parameter, divide-shut brake demonstration etc.LED light, display system running status, fault type, divide-shut brake situation intuitively.
The utility model is that intelligent protection device integrates " measure, control, protect, communicate by letter " four big functions.The control electronics plate of newly-increased arc light monitoring means 2 and temperature measurement on-line unit 3 in complex protection device; power supply 1 and communication part are utilized power panel and the communication signal interface in the former comprehensive automation device; be connected with newly-increased electric function plate by winding displacement and socket; fault electric arc and contact temperature on-line monitoring and the fusion of former comprehensive automation protective device, promoted the Highgrade integration of the automatically-monitored technology of intelligent multi-function greatly.

Claims (3)

1. the high integrated comprehensive automation protective device that has the monitoring of temperature measurement on-line and arc light; comprise arm processor, hardware phase-locked-loop module and action execution unit; arm processor signals collecting end is connected with I/U sampling unit, action execution unit; it is characterized in that arm processor signals collecting end also is connected with arc light monitoring means and temperature measurement on-line unit, arm processor signal transmission ends is provided with communication module.
2. the high integrated comprehensive automation protective device with temperature measurement on-line and arc light monitoring according to claim 1 is characterized in that arm processor signals collecting end is connected with insulation monitoring protected location and residual current protective unit.
3. the high integrated comprehensive automation protective device with temperature measurement on-line and arc light monitoring according to claim 1 is characterized in that arm processor is connected with the man-machine interface unit.
CN2013200546187U 2013-01-31 2013-01-31 High-integration integrated automation protective device with on-line temperature measurement and arc light monitoring Active CN203193262U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103138245A (en) * 2013-01-31 2013-06-05 浙江科润电力设备有限公司 High-integration integrated automation protective device provided with on-line temperature measurement and arc light monitoring
WO2015067080A1 (en) * 2013-11-08 2015-05-14 苏州康开电气有限公司 Intelligent information collection system for electromechanical equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103138245A (en) * 2013-01-31 2013-06-05 浙江科润电力设备有限公司 High-integration integrated automation protective device provided with on-line temperature measurement and arc light monitoring
WO2015067080A1 (en) * 2013-11-08 2015-05-14 苏州康开电气有限公司 Intelligent information collection system for electromechanical equipment

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP03 Change of name, title or address

Address after: Jiangshan City, Zhejiang city in Quzhou Province, the 324100 park open source road No. 1

Patentee after: KERUN ELECTRIC POWER TECHNOLOGY CO., LTD.

Address before: 324100, 27, North Road, Jiangdong District, Jiangshan Economic Development Zone, Zhejiang, Quzhou

Patentee before: Zhejiang Kerun Power Equipment Co., Ltd.

CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 324100 Jiangshan City, Quzhou, Zhejiang province Kaiyuan Road 1

Patentee after: Co - run intelligent control Limited by Share Ltd

Address before: 324100 Jiangshan City, Quzhou, Zhejiang province Kaiyuan Road 1

Patentee before: KERUN ELECTRIC POWER TECHNOLOGY CO., LTD.