CN107144374B - A kind of power line temperature monitoring system - Google Patents

A kind of power line temperature monitoring system Download PDF

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Publication number
CN107144374B
CN107144374B CN201710259050.5A CN201710259050A CN107144374B CN 107144374 B CN107144374 B CN 107144374B CN 201710259050 A CN201710259050 A CN 201710259050A CN 107144374 B CN107144374 B CN 107144374B
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China
Prior art keywords
monitoring terminal
monitoring
power line
terminal
base station
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Application number
CN201710259050.5A
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Chinese (zh)
Other versions
CN107144374A (en
Inventor
张文玲
吴帆
吴一帆
吴爱峰
于龙飞
李树金
武强
杨新军
王伟龙
王大仟
卢营营
刘媛媛
刘航
黄明珠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongying Power Supply Co of State Grid Shandong Electric Power Co Ltd
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Dongying Power Supply Co of State Grid Shandong Electric Power Co Ltd
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Priority to CN201710259050.5A priority Critical patent/CN107144374B/en
Publication of CN107144374A publication Critical patent/CN107144374A/en
Application granted granted Critical
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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00Thermometers specially adapted for specific purposes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/2506Arrangements for conditioning or analysing measured signals, e.g. for indicating peak values ; Details concerning sampling, digitizing or waveform capturing
    • G01R19/2509Details concerning sampling, digitizing or waveform capturing
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423Input/output
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06Management of faults, events, alarms or notifications
    • H04L41/0631Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/21Pc I-O input output
    • G05B2219/21137Analog to digital conversion, ADC, DAC
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/25Pc structure of the system
    • G05B2219/25171Serial, RS232
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/25Pc structure of the system
    • G05B2219/25202Internet, tcp-ip, web server : see under S05B219-40
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/25Pc structure of the system
    • G05B2219/25257Microcontroller
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/26Pc applications
    • G05B2219/2604Test of external equipment
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/26Pc applications
    • G05B2219/2621Conveyor, transfert line

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The present invention provides a kind of power line temperature to monitor system, and the monitoring terminal being arranged on power transmission line including several and the base station connecting with monitoring terminal, the base station are connected to monitoring server by interchanger, and the monitoring server is connected to client;The monitoring terminal includes current transformer, temperature sensor, A/D converter, microcontroller, clock chip, wireless transport module, power supply, integrator, rectifier filter, storage unit, backup units, registering unit and comparison unit, the present invention is by the way that adjacent monitoring terminal to be attached, it is mutually backups, connection can be established by base station and monitoring server simultaneously, once one or more of which monitors terminal and breaks down, then you can't get the data informations of its acquisition for monitoring terminal connected to it, the data information that the monitoring terminal of the non-failure is sent back to would not include the data information of malfunction monitoring terminal.

Description

A kind of power line temperature monitoring system
Technical field
The present invention relates to power circuit detection technique fields, are related to a kind of power line temperature monitoring system.
Background technique
With the continuous growth of China's power transmission capabilities, power network current and voltage are constantly increased, to power supply reliability It is required that also higher and higher.In power Transmission, electric current and temperature are two important parameters of power transmission line safe operation.Currently, electric Measurement of the power department to line temperature generallys use patch color chips thermometric and infrared measurement of temperature, melts degree or contact according to color chips This requires artificial site inspection measurement to the amount of infrared radiation temperature collection data at place, and low efficiency, at high cost, monitoring result is unstable It is fixed, it is unfavorable for the raising of ability to transmit electricity and the early warning of electric power accident.
In order to solve the problem above-mentioned, there are many companies to be provided with a kind of high voltage transmission line current temperature wireless transmission system System.Using GPRS communication, be directly connected with Internet network by IP agreement, by collected electric current and Temperature data is transferred on the server of monitoring center.But such mode can be only formed unidirectional acquisition, once acquisition equipment is logical News break down, and will be unable to obtain relevant data information.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of power line temperature monitoring system.
The present invention adopts the following technical solutions: a kind of power line temperature monitoring system, including several are arranged on power transmission line Monitoring terminal and with the base station that connect of monitoring terminal, the base station is connected to monitoring server, the prison by interchanger Control server is connected to client;
The monitoring terminal includes current transformer, temperature sensor, A/D converter, microcontroller, clock chip, nothing Line transmission module, power supply, integrator, rectifier filter, storage unit, backup units, registering unit and comparison unit, The current transformer is wound on power line, and current transformer takes electricity to supply for the power supply by connecting with power line Electricity, described temperature sensor one end are connect with power line, and one end connects microcontroller, and described integrator one end connects Current Mutual Inductance Device, the integrator other end convert AC signal to smooth direct current signal, the A/ by rectifier filter and A/D converter D converter connects microcontroller, microcontroller connection wireless transport module, clock chip, storage unit, backup units, Registering unit and comparison unit, data and current transformer of the storage unit for the acquisition of storage temperature sensor are adopted The current data collected;
Prison when one or more monitoring terminal and monitoring server are attached, as acquisition power line temperature It surveys terminal to be communicated according to nearest base station with the monitoring terminal being connected, at this point, registering unit is whole by the monitoring being in communication with each other End is registered each other, and the state registered is updated to " normal ";
The connection setting for the monitoring terminal that the comparison unit is used to register mutually disconnects threshold value, and real-time perfoming pair Than;
The backup units will be registered each other and the data for keeping the monitoring terminal being stably connected with to acquire back up, and store up It is stored in storage unit;
The clock chip is for setting a fixed time interval T, as communications status between mutually redundant monitoring terminal Inquiry, inquiry when, if the two connection threshold value be greater than setting disconnection threshold value, that is, think to connect with the monitoring terminal another One monitoring terminal is offline or another monitoring SOT state of termination is updated to " failure " by failure, the monitoring terminal, otherwise for " just Often ";
The wireless transport module is established with nearest base station and is communicated, and will monitor the collected data of terminal by exchange Machine is transferred to monitoring server.
The wireless transport module includes that GSM/GPRS baseband controller, radio frequency part, power pack, Flash/SRAM are deposited Reservoir and interface unit, the GSM/GPRS baseband controller are used to transmit the transmission, conversion and enhanced processing process of signal, The GSM/GPRS baseband controller is connect with radio frequency part, power pack, Flash/SRAM memory and interface unit respectively.
The interface unit includes RS232 interface and GPRS interface module, the RS232 interface and the control of GSM/GPRS base band Device connection processed, the GPRS interface module log on to GPRS network using dialing, and realization is connected with Internet.
The power supply respectively with the A/D converter, microcontroller, clock chip, wireless transport module, integral Device, rectifier filter, storage unit, backup units, registering unit and comparison unit connection.
The invention has the following beneficial effects: the present invention by the way that adjacent monitoring terminal to be attached, and is mutually backups, can To establish connection by base station and monitoring server simultaneously, once one or more of which monitoring terminal breaks down, then Monitoring terminal connected to it is you can't get the data information of its acquisition, the data information that the monitoring terminal of the non-failure is sent back to It would not include the data information of malfunction monitoring terminal, at this point, monitoring server will sound an alarm, report fault message, and Maintenance is taken nearby, meanwhile, once transmission line malfunction occurs, can also be got in touch by base station with the maintenance station closed on, It is convenient and efficient.
Detailed description of the invention
Fig. 1 is system construction drawing of the invention;
Fig. 2 is the working principle diagram of present invention monitoring terminal.
Specific embodiment
Below in conjunction with attached drawing and specific embodiment, the present invention will be described in detail, herein illustrative examples of the invention And explanation is used to explain the present invention, but not as a limitation of the invention.
Referring to figs. 1 to Fig. 2, the invention discloses a kind of power line temperature to monitor system, including several are arranged in power transmission line On monitoring terminal and with the base station that connect of monitoring terminal, the base station is connected to monitoring server by interchanger, described Monitoring server is connected to client;
The monitoring terminal includes current transformer, temperature sensor, A/D converter, microcontroller, clock chip, nothing Line transmission module, power supply, integrator, rectifier filter, storage unit, backup units, registering unit and comparison unit, The current transformer is wound on power line, and current transformer takes electricity to supply for the power supply by connecting with power line Electricity, described temperature sensor one end are connect with power line, and one end connects microcontroller, and described integrator one end connects Current Mutual Inductance Device, the integrator other end convert AC signal to smooth direct current signal, the A/ by rectifier filter and A/D converter D converter connects microcontroller, microcontroller connection wireless transport module, clock chip, storage unit, backup units, Registering unit and comparison unit, data and current transformer of the storage unit for the acquisition of storage temperature sensor are adopted The current data collected;
Prison when one or more monitoring terminal and monitoring server are attached, as acquisition power line temperature It surveys terminal to be communicated according to nearest base station with the monitoring terminal being connected, at this point, registering unit is whole by the monitoring being in communication with each other End is registered each other, and the state registered is updated to " normal ";
The connection setting for the monitoring terminal that the comparison unit is used to register mutually disconnects threshold value, and real-time perfoming pair Than;
The backup units will be registered each other and the data for keeping the monitoring terminal being stably connected with to acquire back up, and store up It is stored in storage unit;
The clock chip is for setting a fixed time interval T, as communications status between mutually redundant monitoring terminal Inquiry, inquiry when, if the two connection threshold value be greater than setting disconnection threshold value, that is, think to connect with the monitoring terminal another One monitoring terminal is offline or another monitoring SOT state of termination is updated to " failure " by failure, the monitoring terminal, otherwise for " just Often ";
The wireless transport module is established with nearest base station and is communicated, and will monitor the collected data of terminal by exchange Machine is transferred to monitoring server.
The wireless transport module includes that GSM/GPRS baseband controller, radio frequency part, power pack, Flash/SRAM are deposited Reservoir and interface unit, the GSM/GPRS baseband controller are used to transmit the transmission, conversion and enhanced processing process of signal, The GSM/GPRS baseband controller is connect with radio frequency part, power pack, Flash/SRAM memory and interface unit respectively.
The interface unit includes RS232 interface and GPRS interface module, the RS232 interface and the control of GSM/GPRS base band Device connection processed, the GPRS interface module log on to GPRS network using dialing, and realization is connected with Internet.
The power supply respectively with the A/D converter, microcontroller, clock chip, wireless transport module, integral Device, rectifier filter, storage unit, backup units, registering unit and comparison unit connection.
Embodiment 1
Monitoring terminal 1 and monitoring terminal 2 are listed referring to Fig. 2, Fig. 2, when monitoring terminal 1 and monitoring terminal 2 starts, prison It surveys terminal 1 and monitoring terminal 2 establishes communication, and register each other, establish monitoring terminal 1 and monitor being stably connected between terminal 2, Comparison unit in monitoring terminal 1 and monitoring terminal 2 is used to set the connection of the monitoring terminal 1 registered mutually and monitoring terminal 2 Surely threshold value is disconnected, and real-time perfoming compares;The clock chip is for setting a fixed time interval T, as mutually redundant prison Survey terminal between communications status inquiry, inquiry when, if the two connection threshold value be greater than setting disconnection threshold value, that is, think with Another monitoring terminal of monitoring terminal connection is offline or failure, the monitoring terminal are updated to another monitoring SOT state of termination " failure ", on the contrary it is " normal ";
Temperature sensor and temperature and electric current on current transformer acquisition power transmission line, the present invention is by by adjacent monitoring Terminal 1 and monitoring terminal 2 are attached, and are mutually backups, and can establish connection by base station and monitoring server simultaneously, once its In monitoring terminal 1 or monitoring terminal 2 break down, then monitoring terminal 1 connected to it or monitor terminal 2 you can't get it The data information of acquisition, the data information that the monitoring terminal 1 or monitoring terminal 2 of the non-failure are sent back to would not include malfunction monitoring The data information of terminal reports fault message, and take maintenance nearby at this point, monitoring server will sound an alarm, meanwhile, Once transmission line malfunction occurs, can also be got in touch by base station with the maintenance station closed on, it is convenient and efficient.
Technical solution disclosed in the embodiment of the present invention is described in detail above, specific implementation used herein Example is expounded the principle and embodiment of the embodiment of the present invention, and the explanation of above embodiments is only applicable to help to understand The principle of the embodiment of the present invention;At the same time, for those skilled in the art is being embodied according to an embodiment of the present invention There will be changes in mode and application range, in conclusion the content of the present specification should not be construed as to limit of the invention System.

Claims (4)

1. a kind of power line temperature monitors system, which is characterized in that including several be arranged in monitoring terminal on power transmission line and The base station connecting with monitoring terminal, the base station are connected to monitoring server by interchanger, and the monitoring server is connected to Client;
The monitoring terminal includes current transformer, temperature sensor, A/D converter, microcontroller, clock chip, wireless biography Defeated module, power supply, integrator, rectifier filter, storage unit, backup units, registering unit and comparison unit, it is described Current transformer is wound on power line, and current transformer takes electricity to power for the power supply by connecting with power line, institute It states temperature sensor one end to connect with power line, one end connects microcontroller, and described integrator one end connects current transformer, product The device other end is divided to convert AC signal to smooth direct current signal, the A/D conversion by rectifier filter and A/D converter Device connects microcontroller, and the microcontroller connection wireless transport module, clock chip, storage unit, backup units, registration are single Member and comparison unit, data and current transformer of the storage unit for the acquisition of storage temperature sensor are collected Current data;
When one or more monitoring terminal and monitoring server are attached, the monitoring as acquisition power line temperature is whole End is communicated according to nearest base station with the monitoring terminal being connected, at this point, registering unit is mutual by the monitoring terminal being in communication with each other To register, and the state registered is updated to " normal ";
The connection setting for the monitoring terminal that the comparison unit is used to register mutually disconnects threshold value, and real-time perfoming compares;
The backup units will be registered each other and the data for keeping the monitoring terminal being stably connected with to acquire back up, and be stored in Storage unit;
The clock chip is looked into for setting fixed time interval T as communications status between mutually redundant monitoring terminal It askes, when inquiring, if the two connection threshold value is greater than the disconnection threshold value of setting, that is, thinks another prison connecting with the monitoring terminal Survey terminal is offline or another monitoring SOT state of termination is updated to " failure " by failure, the monitoring terminal, otherwise is " normal ";
The wireless transport module is established with nearest base station and is communicated, and will be monitored the collected data of terminal and be passed by interchanger It is handed to monitoring server.
2. power line temperature according to claim 1 monitors system, which is characterized in that the wireless transport module includes GSM/ GPRS baseband controller, radio frequency part, power pack, Flash/SRAM memory and interface unit, the GSM/GPRS base band Controller is used to transmit the transmission, conversion and enhanced processing process of signal, the GSM/GPRS baseband controller respectively with penetrate Frequency part, power pack, Flash/SRAM memory are connected with interface unit.
3. power line temperature according to claim 2 monitors system, which is characterized in that the interface unit includes that RS232 connects Mouth and GPRS interface module, the RS232 interface are connect with GSM/GPRS baseband controller, and the GPRS interface module, which utilizes, to be dialled GPRS network number is logged on to, realization is connected with Internet.
4. power line temperature according to claim 1 monitors system, which is characterized in that the power supply respectively with it is described A/D converter, microcontroller, clock chip, wireless transport module, integrator, rectifier filter, storage unit, backup units, Registering unit and comparison unit connection.
CN201710259050.5A 2017-04-20 2017-04-20 A kind of power line temperature monitoring system Active CN107144374B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710259050.5A CN107144374B (en) 2017-04-20 2017-04-20 A kind of power line temperature monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710259050.5A CN107144374B (en) 2017-04-20 2017-04-20 A kind of power line temperature monitoring system

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CN107144374B true CN107144374B (en) 2019-02-22

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Publication number Priority date Publication date Assignee Title
CN109634815A (en) * 2018-12-14 2019-04-16 河南飙风信息科技有限公司 Enterprise's hardware device automation collection monitoring system
CN109724709A (en) * 2019-01-04 2019-05-07 淮北工科检测检验有限公司 A kind of mine high-tension cable real-time monitoring system based on LPWAN

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CN101371492B (en) * 2006-01-17 2012-08-15 美国博通公司 Power over Ethernet controller and method for detecting and classifying power supply equipment
CN102111014A (en) * 2009-12-23 2011-06-29 上海科能电气科技有限公司 Comprehensive monitoring system of distributed power transmission lines
CN102313856B (en) * 2010-06-30 2013-09-25 北京泰优美科技有限责任公司 Intelligent 10kV power line state sensor
CN102141591A (en) * 2011-01-06 2011-08-03 上海交通大学 Device and method for monitoring transient state current-carrying capability of power transmission line
CN105807176B (en) * 2016-03-22 2020-03-17 国网山东省电力公司东营市东营区供电公司 Laboratory simulation test device and test method for electrical equipment online detection device

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