CN103746296B - A kind of Intelligent Microcomputer Protection Unit that possesses mode of operation demonstration, wireless temperature measurement and communication protocol auto-conversion function - Google Patents
A kind of Intelligent Microcomputer Protection Unit that possesses mode of operation demonstration, wireless temperature measurement and communication protocol auto-conversion function Download PDFInfo
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- CN103746296B CN103746296B CN201310408740.4A CN201310408740A CN103746296B CN 103746296 B CN103746296 B CN 103746296B CN 201310408740 A CN201310408740 A CN 201310408740A CN 103746296 B CN103746296 B CN 103746296B
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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Abstract
The invention discloses a kind of Intelligent Microcomputer Protection Unit that possesses mode of operation demonstration, wireless temperature measurement and communication protocol auto-conversion function. it comprises the input circuit by transformer group and the electric circuit constitute, intelligent protection CPU, wireless temperature measurement part, operation and state display part are divided, dead electricity delay tripping part, the automatic conversion portion of stipulations, large screen color liquid crystal screen, keyboard, real-time clock, photoelectricity isolated part and power unit, it also comprises high-voltage charge display device and infrared induction probe, the present invention has realized HV live displaying, temperature control, control change-over switch, switch cabinet one-time state diagram is colored to be shown, wireless temperature measurement, communication protocol is changed automatically, the functions such as decompression deferred action, also can be connected with higher level's dispatching patcher by Ethernet optical fiber interface, related data is uploaded on the spot in real time. the present invention combines complete series Microcomputer Protection function, can be widely used in Power System Intelligent type computer integrated protection field.
Description
Technical field
The present invention relates to a kind of transformer station switch cubicle and computer integrated protection, relate in particular to one and possess operation shapeThe Intelligent Microcomputer Protection Unit of state demonstration, wireless temperature measurement and communication protocol auto-conversion function.
Background technology
Supply of electric power seems more and more important at society, safety, quality and change distribution and the power supply unit of power supplyAdvanced closely related with modernization, oneself can not meet the need of modern electric industry far away the function that traditional switch cubicle possessesWant, for example: the demonstration of various states and high voltage, humiture display unit, wireless temperature measurement warning device, red in switch cubicle operationSniffer and complete series microcomputer protecting device are responded in outside line automatically, also will have decompression deferred action function, network schedulingAnd function such as transmission data etc.
Due to development course and the reason such as historical, possess completely and to meet the equipment of above-mentioned condition and function still rare,Mostly electric power system, in building and transforming, is above-mentioned single devices at present or installs to add on the spot to mend to be arranged on switch cubicle; ByIn not being Uniting, it is very inconvenient to install, and if these devices incompatible also increased buying and debugging, operation,The cost of safeguarding.
Applicant, for above-mentioned present situation and user's feedback, has developed and has possessed mode of operation demonstration and wireless temperature measurement and logicalThe Intelligent Microcomputer Protection Unit of news stipulations auto-conversion function. This Intelligent Microcomputer Protection Unit is owing to having integrated above meritCan, substantially contain the demand such as control, protection, communication of switch cubicle, be applicable to being very much arranged on autogamy transfer transformer station, area becomesPower station and power distribution station; Because only an intelligent apparatus being installed on the spot, reduce operation expense, easy to operate and cost performance is excellentAnd enjoy customer acceptance.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, provides one to possess mode of operation aobviousShow, the Intelligent Microcomputer Protection Unit of wireless temperature measurement and communication protocol auto-conversion function.
The technical solution adopted in the present invention is: the present invention it comprise by the input circuit of transformer group and the electric circuit constitute,Intelligent protection CPU, wireless temperature measurement part, operation and state display part is divided, dead electricity delay tripping part, the automatic converter section of stipulationsPoint, large screen color liquid crystal screen, keyboard, real-time clock, photoelectricity isolated part and power unit, the automatic conversion portion of described stipulationsComprise communication interface, described photoelectricity isolated part comprises relay, and described wireless temperature measurement part comprises wireless temperature measurement probe and nothingLine thermometric receiver module, described power unit comprises 5V and the output of 24V direct current, described intelligent protection CPU comprises that A/D modulus turnsChange, SPI interface, timer, definite value memory block, program storage area, serial port, I/O input/output interface, described A/D modulus turnsChange with described input circuit and be connected, described SPl interface is connected with described wireless temperature measurement receiver module, described definite value memory block and instituteState operation and state display part and divide connection, described program storage area is connected with described dead electricity delay tripping part, described serial portBe connected with the automatic conversion portion of described stipulations, described I/O input/output interface is connecting described large screen color liquid crystal screen, keyDish, real-time clock, photoelectricity isolated part.
Described intelligent protection CPU also comprises:
Intelligent cell state detection module, for detection of electrification display, change-over switch, temp probe, moisture probe, redThe state of outside line probe, current transformer, voltage transformer also sends data to intelligent cell control module in real time;
Intelligent cell judge module, for carrying out the real time data that receives described intelligent cell state detection module transmissionJudgement, in the time that the result of judgement exceeds setting range, starts described intelligent cell control module and controls accordingly;
Intelligent cell control module, for receiving instruction that described intelligent cell judge module sends and to described charged aobviousThe state that shows device, change-over switch, temp probe, moisture probe, infrared probe, current transformer, voltage transformer is controlledSystem and driving relay send alarm signal;
Communication transmission module, receives the instruction of described intelligent cell control module and by off state, electric current and voltage parameterTransfer to the superior Background communication system transmission again of the automatic conversion portion of described stipulations by the packing of device internal agreement.
Described intelligent cell control module can be jumped according to actual conditions control electric heater, dehumidifying fan, relay outletLock, light malfunction indicator lamp and drive color screen carry out fault message demonstration.
It also comprises high-voltage charge display device and infrared induction probe, described high-voltage charge display device and infrared sense this deviceShould pop one's head in and all be connected with described intelligent protection CPU and large screen color liquid crystal screen, described large screen color liquid crystal screen can show to be openedClosing the various operating modes of cabinet and mode of operation and loop once schemes.
Described wireless temperature measurement probe is one or more, and is arranged on required monitoring point described wireless temperature measurement by externalProbe and the wireless telecommunications of described wireless temperature measurement receiver module, described wireless temperature measurement receiver module can while and 128 wireless temperature measurementsProbe communication.
The automatic conversion portion of described stipulations is built-in with a communication protocol change-over panel, and described communication protocol change-over panel is by deviceInternal communication protocol conversion is standard 104 communication protocols, connects with superior system by communication interface.
The invention has the beneficial effects as follows: due to the present invention, it comprises input circuit, the intelligence by transformer group and the electric circuit constituteCan protect CPU, wireless temperature measurement part, operation and state display part is divided, dead electricity delay tripping part, the automatic conversion portion of stipulations,Large screen color liquid crystal screen, keyboard, real-time clock, photoelectricity isolated part and power unit, the automatic converter section subpackage of described stipulationsDraw together communication interface, described photoelectricity isolated part comprises relay, and described wireless temperature measurement part comprises wireless temperature measurement probe and wirelessThermometric receiver module, described power unit comprises the output of 5V and 24V direct current, described intelligent protection CPU comprise A/D analog-to-digital conversion,SPI interface, timer, definite value memory block, program storage area, serial port, I/O input/output interface, described A/D analog-to-digital conversion withDescribed input circuit connects, and described SPl interface is connected with described wireless temperature measurement receiver module, described definite value memory block and described behaviourWork and state display part are divided connection, and described program storage area is connected with described dead electricity delay tripping part, described serial port and instituteState the automatic conversion portion of stipulations and connect, described I/O input/output interface is connecting described large screen color liquid crystal screen, keyboard, realityShi Shizhong, photoelectricity isolated part, it also comprises high-voltage charge display device and infrared induction probe, described high pressure belt this device of whileElectricity display is all connected with described intelligent protection CPU and large screen color liquid crystal screen with infrared induction probe, described giant-screen coloured silkOnce scheme in the dichroic liquid crystal screen energy various operating modes of display switch cabinet and mode of operation and loop. So being one, the present invention possesses operation shapeThe Intelligent Microcomputer Protection Unit of state demonstration and wireless temperature measurement and communication protocol auto-conversion function.
Brief description of the drawings
Fig. 1 is circuit structure block diagram of the present invention;
Fig. 2 is the structural representation that mode of operation of the present invention shows;
Fig. 3 is the structural representation of wireless temperature measurement some work of the present invention;
Fig. 4 is the structural representation of dead electricity delay tripping part of the present invention.
Detailed description of the invention
As shown in Figure 1, the present invention it comprise input circuit, the intelligent protection CPU, wireless by transformer group and the electric circuit constituteTemperature measurement fraction, operation and state display part are divided, dead electricity delay tripping part, the automatic conversion portion of stipulations, large screen color liquid crystalScreen, keyboard, real-time clock, photoelectricity isolated part and power unit, the automatic conversion portion of described stipulations comprises communication interface, described inPhotoelectricity isolated part comprises relay, and described wireless temperature measurement part comprises wireless temperature measurement probe and wireless temperature measurement receiver module, instituteState power unit and comprise the output of 5V and 24V direct current, described intelligent protection CPU comprise A/D analog-to-digital conversion, SPI interface, timer,Definite value memory block, program storage area, serial port, I/O input/output interface, described A/D analog-to-digital conversion and described input circuit connectConnect, described SPl interface is connected with described wireless temperature measurement receiver module, described definite value memory block and described operation and state display partDivide and connect, described program storage area is connected with described dead electricity delay tripping part, and described serial port and described stipulations are changed automaticallyPart connects, and described I/O input/output interface is connecting described large screen color liquid crystal screen, keyboard, real-time clock, photoelectricity isolationPart, described intelligent protection CPU also comprises: intelligent cell state detection module, for detection of electrification display, change-over switch,The state of temp probe, moisture probe, infrared probe, current transformer, voltage transformer also sends data to intelligence in real timeUnit controls module; Intelligent cell judge module, for the real-time number sending receiving described intelligent cell state detection moduleAccording to judging, in the time that the result of judgement exceeds setting range, start described intelligent cell control module and control accordinglySystem; Intelligent cell control module, for receive instruction that described intelligent cell judge module sends and to above-mentioned electrification display,The state of change-over switch, temp probe, moisture probe, infrared probe, current transformer, voltage transformer is controlled and is drivenMotor type relay sends alarm signal, described intelligent cell control module can according to actual conditions control electric heater, dehumidifying fan,Relay outlet is tripped, is lighted malfunction indicator lamp and drives color screen to show fault message; Communication transmission module, described in receptionThe instruction of intelligent cell control module is also transmitted the relevant parameters such as on off state, electric current, voltage by the packing of device internal agreementTo the superior Background communication system transmission again of the automatic conversion portion of described stipulations.
It also comprises high-voltage charge display device and infrared induction probe, described high-voltage charge display device and infrared sense this deviceShould pop one's head in and all be connected with described intelligent protection CPU and large screen color liquid crystal screen, described large screen color liquid crystal screen can show to be openedClosing the various operating modes of cabinet and mode of operation and loop once schemes.
Described wireless temperature measurement probe is one or more, and is arranged on required monitoring point described wireless temperature measurement by externalProbe and the wireless telecommunications of described wireless temperature measurement receiver module, described wireless temperature measurement receiver module can while and 128 wireless temperature measurementsProbe communication.
Due to power system requires intelligent protection device can be directly and 104 communications protocol seamless connections, described stipulations oneselfMoving conversion portion is a built-in communication protocol change-over panel, can be standard 104 communication protocols by the protocol conversion of device internal communication,Connect with superior system by communication interface.
In the present embodiment, comprehensive multiple apparatus function is in an Intelligent Microcomputer Protection Unit, it
Implementation method is:
One, switch cubicle mode of operation Presentation Function:
1, switch cubicle high-voltage charge display device is arranged on intelligent protection device panel with controlling change-over switch, and its wiring existsIntelligent protection device outside, and then ensured strong and weak electricity separation.
2, temperature measuring probe line access intelligent protection device terminal, by intelligent protection device CPU by real time temperatureBe shown in liquid crystal display.
3, infrared induction probe is arranged on device panel, when sensing while having commissioning staff within the scope of first two meters of cabinet,Can automatically light intelligent protection device liquid crystal color screen, so that operation commissioning staff observes switch cabinet one-time state.
Two, wireless temperature measuring function:
1, on the external monitoring point that is arranged on switch cubicle of wireless temperature measurement probe, by wireless communication mode and intelligent protection dressPut the communication of internal wireless receiver module, and then monitoring point real time temperature is uploaded.
2, intelligent protection device internal wireless receiver module can be simultaneously and the communication of 128 wireless temperature measurements probes, gathersMonitoring point real time temperature is judged whether excess Temperature and is sent alarm signal by intelligent protection device CPU.
Three, communication protocol auto-conversion function:
1, due to power system requires intelligent protection device can be directly and 104 communications protocol seamless connections, intelligent protectionHaving installed a communication protocol change-over panel built-in, can be standard 104 communication protocols by the protocol conversion of device internal communication, by turningThe Ethernet optical fiber interface changing on plate connects with superior system.
Four, decompression deferred action function:
1, for ensureing that breaker of switch cabinet can reliable disjunction in the time of fault, intelligent protection device inside has been installed capacity and has beenThe electric capacity of 2000 μ f, continues section breaker cabinet breaker in the time of guarantee 60S, has increased the reliability of equipment. Described capacityThe break-make connection that is the electric capacity of 2000 μ f is controlled by the included relay of described photoelectricity isolated part.
This Intelligent Microcomputer Protection Unit comprehensive integration has also realized HV live displaying, temperature control, controls conversion and openPass, the colored demonstration of switch cabinet one-time state diagram, infrared ray automatic induction probe, wireless temperature measurement, communication protocol are changed automatically, complete setThe functions such as row Microcomputer Protection and decompression deferred action, also can be connected with higher level's dispatching patcher by Ethernet optical fiber interface, in real timeRelated data is uploaded on the spot. The field requirement that can all be applicable to different user, range of application is very extensive. The present invention can be wideThe general Power System Intelligent type computer integrated protection field that is applied to.
Claims (5)
1. one kind possesses the intelligent Microcomputer Protection dress of mode of operation demonstration, wireless temperature measurement and communication protocol auto-conversion functionPut, it comprises by the input circuit of transformer group and the electric circuit constitute, intelligent protection CPU, wireless temperature measurement part, operation and state aobviousShow part, dead electricity delay tripping part, the automatic conversion portion of stipulations, large screen color liquid crystal screen, keyboard, real-time clock, photoelectricityIsolated part and power unit, the automatic conversion portion of described stipulations comprises communication interface, described photoelectricity isolated part comprises relayDevice, described wireless temperature measurement part comprises wireless temperature measurement probe and wireless temperature measurement receiver module, described power unit comprises 5V and 24VDirect current output, described intelligent protection CPU comprise A/D analog-to-digital conversion, SPI interface, timer, definite value memory block, program storage area,Serial port and I/O input/output interface, described A/D analog-to-digital conversion is connected with described input circuit, it is characterized in that: described SPIInterface is connected with described wireless temperature measurement receiver module, and described definite value memory block is divided and is connected with described operation and state display part, instituteState program storage area and be connected with described dead electricity delay tripping part, described serial port is connected with the automatic conversion portion of described stipulations,Described I/O input/output interface is connecting described large screen color liquid crystal screen, keyboard, real-time clock and photoelectricity isolated part; InstituteStating intelligent protection CPU also comprises:
Intelligent cell state detection module, for detection of electrification display, change-over switch, temp probe, moisture probe, infrared rayThe state of probe, current transformer and voltage transformer also sends data to intelligent cell control module in real time;
Intelligent cell judge module, for sentencing the real time data that receives described intelligent cell state detection module transmissionDisconnected, in the time that the result of judgement exceeds setting range, start described intelligent cell control module and control accordingly;
Intelligent cell control module, for receiving instruction that described intelligent cell judge module sends and to described charged demonstrationThe state of device, change-over switch, temp probe, moisture probe, infrared probe, current transformer and voltage transformer is controlledAnd drive relay to send alarm signal;
Communication transmission module, receives the instruction of described intelligent cell control module and on off state, electric current and voltage parameter is passed throughThe packing of device internal agreement transfers to the superior Background communication system transmission again of the automatic conversion portion of described stipulations.
2. one according to claim 1 possesses mode of operation demonstration, wireless temperature measurement and communication protocol auto-conversion functionIntelligent Microcomputer Protection Unit, it is characterized in that: described intelligent cell control module can be according to actual conditions control electrical heatingDevice, dehumidifying fan, relay outlet are tripped and light malfunction indicator lamp and drive color screen to carry out fault message demonstration.
3. one according to claim 1 possesses mode of operation demonstration, wireless temperature measurement and communication protocol auto-conversion functionIntelligent Microcomputer Protection Unit, it is characterized in that: it also comprises high-voltage charge display device and infrared induction probe, described high pressureElectrification display is all connected with described intelligent protection CPU and large screen color liquid crystal screen with infrared induction probe, described giant-screenOnce scheme in the various operating modes of color LCD screen energy display switch cabinet and mode of operation and loop.
4. one according to claim 1 possesses mode of operation demonstration, wireless temperature measurement and communication protocol auto-conversion functionIntelligent Microcomputer Protection Unit, it is characterized in that: described wireless temperature measurement probe is for one or more, and by the external institute that is arranged onNeed on monitoring point, described wireless temperature measurement probe and the wireless telecommunications of described wireless temperature measurement receiver module, described wireless temperature measurement receives mouldPiece can while and the communication of 128 wireless temperature measurements probes.
5. one according to claim 1 possesses mode of operation demonstration, wireless temperature measurement and communication protocol auto-conversion functionIntelligent Microcomputer Protection Unit, it is characterized in that: the automatic conversion portion of described stipulations is built-in with a communication protocol change-over panel,It is standard 104 communication protocols that described communication protocol change-over panel will install internal communication protocol conversion, by communication interface and higher levelSystem connects.
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| CN201310408740.4A CN103746296B (en) | 2013-09-10 | 2013-09-10 | A kind of Intelligent Microcomputer Protection Unit that possesses mode of operation demonstration, wireless temperature measurement and communication protocol auto-conversion function |
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| CN201310408740.4A CN103746296B (en) | 2013-09-10 | 2013-09-10 | A kind of Intelligent Microcomputer Protection Unit that possesses mode of operation demonstration, wireless temperature measurement and communication protocol auto-conversion function |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104125693B (en) * | 2014-08-12 | 2016-04-06 | 国网重庆市电力公司 | The control method of transformer station's lamp light control system |
| CN104298276A (en) * | 2014-10-16 | 2015-01-21 | 国家电网公司 | Internal temperature monitoring device of electrical equipment mechanism |
| CN106711826A (en) * | 2017-01-19 | 2017-05-24 | 珠海瑞捷电气股份有限公司 | Removable circuit breaker switch cabinet and wiring-omitting method thereof |
| CN106849028A (en) * | 2017-01-19 | 2017-06-13 | 珠海瑞捷电气股份有限公司 | A kind of on-load switch intelligent control unit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5428553A (en) * | 1989-02-22 | 1995-06-27 | Hitachi, Ltd. | Digital control and protection equipment for power system |
| CN2891133Y (en) * | 2005-11-30 | 2007-04-18 | 杭州市电力局 | Tele-controlled and telemetric online monitoring and diagnostic apparatus |
| CN201450320U (en) * | 2009-08-14 | 2010-05-05 | 珠海瑞捷电气有限公司 | Intelligent microcomputer integrated protective device with temperature monitoring function |
| CN202373969U (en) * | 2011-12-08 | 2012-08-08 | 北京四方华能电气设备有限公司 | Intelligent current protection device |
-
2013
- 2013-09-10 CN CN201310408740.4A patent/CN103746296B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5428553A (en) * | 1989-02-22 | 1995-06-27 | Hitachi, Ltd. | Digital control and protection equipment for power system |
| CN2891133Y (en) * | 2005-11-30 | 2007-04-18 | 杭州市电力局 | Tele-controlled and telemetric online monitoring and diagnostic apparatus |
| CN201450320U (en) * | 2009-08-14 | 2010-05-05 | 珠海瑞捷电气有限公司 | Intelligent microcomputer integrated protective device with temperature monitoring function |
| CN202373969U (en) * | 2011-12-08 | 2012-08-08 | 北京四方华能电气设备有限公司 | Intelligent current protection device |
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Address after: 519000, No. 33, No. three road, Tang Wan Town, Zhuhai hi tech Zone, Guangdong, 2 Applicant after: ZHUHAI RADIANCE ELECTRIC CO., LTD. Address before: 519085 new economic resources development port, No. 1, Ha Ha Road, Tang Wan, Zhuhai, Guangdong Applicant before: Zhuhai Radiance Electric Co., Ltd. |
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