CN103234644A - Online temperature monitoring system for closed cable equipment on basis of wireless radiofrequency technology - Google Patents

Online temperature monitoring system for closed cable equipment on basis of wireless radiofrequency technology Download PDF

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Publication number
CN103234644A
CN103234644A CN2013100883857A CN201310088385A CN103234644A CN 103234644 A CN103234644 A CN 103234644A CN 2013100883857 A CN2013100883857 A CN 2013100883857A CN 201310088385 A CN201310088385 A CN 201310088385A CN 103234644 A CN103234644 A CN 103234644A
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CN
China
Prior art keywords
temperature
temperature data
management server
stage management
frequency
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2013100883857A
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Chinese (zh)
Inventor
蒋晓娟
王媚
闵红
钱天宇
吴成建
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.)
State Grid Corp of China SGCC
Shanghai Municipal Electric Power Co
Original Assignee
State Grid Corp of China SGCC
Shanghai Municipal Electric Power Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Shanghai Municipal Electric Power Co filed Critical State Grid Corp of China SGCC
Priority to CN2013100883857A priority Critical patent/CN103234644A/en
Publication of CN103234644A publication Critical patent/CN103234644A/en
Pending legal-status Critical Current

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Abstract

The invention relates to an online temperature monitoring system for closed cable equipment on the basis of a wireless radiofrequency technology. The online temperature monitoring system comprises a temperature data acquisition terminal, a wireless radiofrequency network, a data transmission concentrator, a mobile communication network and a back-stage management server which are sequentially connected with one another. After acquiring temperature data, the temperature data acquisition terminal stores the temperature data locally and judges whether the temperature data exceed a set threshold value or not; if the temperature data exceed the set threshold value, the temperature data acquisition terminal gives an alarm locally and transmits the temperature data and alarm information to the back-stage management server via the data transmission concentrator in real time, and the back-stage management server stores the received temperature data and the received alarm information and transmits the alarm information to a client; and if the temperature data do not exceed the set threshold value, the temperature data acquisition terminal transmits the temperature data to the back-stage management server via the data transmission concentrator in real time, and the back-stage management server stores the received temperature data. Compared with the prior art, the online temperature monitoring system has the advantages that damage to the equipment and power failure accidents are effectively prevented, and the like.

Description

Closed cable device temperature on-line monitoring system based on wireless radio-frequency
Technical field
The present invention relates to a kind of temperature online monitoring system, especially relate to a kind of closed cable device temperature on-line monitoring system based on wireless radio-frequency.
Background technology
On-line temperature monitoring has obtained widespread use in every field, and for power industry, the temperature real time on-line monitoring of cable and relevant device thereof is the important behave that guarantees power network safety operation.But the work that present this respect is done also seldom.
Cable line is progressively replacing overhead transmission line now, become the main body of urban distribution network, therefore network structure becomes increasingly complex, joint and branch are a lot, these cables form heat generating spot one by one, when current-carrying capacity of cable is bigger easily in the place of connection and tap, be easy to generate overheated and cause the damage of equipment, even the power failure fault takes place.Thereby for the safe and stable operation of electrical network, it is especially important that the on-line temperature monitoring of these key points just seems.
At present can't learn in real time for the running temperature of each contact in cable splice, feeder pillar and the ring main unit whether running temperature normally generally need check with thermal infrared imager when patrolling and examining.In view of the importance of cable line and auxiliary device thereof, Utilities Electric Co. can regularly patrol and examine the equipment on the circuit, and groundwork has: the degree of aging of 1 visual various kinds of equipment, to determine whether to arrive serviceable life, change; 2 carry thermal infrared imager checks each easy heat generating spot whether temperature is normal, record measurement point temperature.For emphasis circuit, heavy load circuit and responsible consumer circuit, need make an inspection tour frequently, normal to guarantee power supply.It seems at present, have following problem:
1. thermal infrared imager is expensive, carries inconvenience, and manpower and materials consumption is very big;
2. the influence that is subjected to weather, time is big, and because the number of devices restriction can not realize generaI investigation;
3. information at that time can only be obtained patrolling and examining, its historical temperature information can't be obtained;
4. for the indoor terminal of closed position in storehouse cable, can't obtain its temperature information;
5. can't carry out real time temperature monitoring, can't realize that remote information is obtained with temperature in time to report to the police.
Along with wireless temperature measurement technology and development of Communication Technique, the temperature monitoring of cable line and auxiliary facility thereof has been subjected to increasing concern.Now the domestic and international research emphasis generally concentrates in the monitoring to the temperature of cable itself and current-carrying capacity, and as the DTS optical fiber temperature measurement system of present rise etc., this type systematic generally is that the cable line to long distance carries out the line style thermometric, the temperature of understanding whole piece cable; And need carry out the local of point type thermometric and be not suitable for for joint, feeder pillar and ring main unit etc.The point type thermometric also rests on the stage of manual patrol at present, for have real-time, for the thermometric of linearity and wireless transmission characteristics, also lack ripe, use widely.
Summary of the invention
Purpose of the present invention is exactly to provide a kind of closed cable device temperature on-line monitoring system based on wireless radio-frequency for the defective that overcomes above-mentioned prior art existence.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of closed cable device temperature on-line monitoring system based on wireless radio-frequency is characterized in that, comprises the temperature data acquisition terminal, radio frequency network, data transmission concentrator, mobile communications network, the back-stage management server that connect successively;
After the described temperature data acquisition terminal collecting temperature data, carry out this locality and preserve and judge whether to surpass setting threshold, if surpass, carrying out this locality reports to the police, simultaneously temperature data and warning message are sent to back-stage management server in real time by the data transmission concentrator, this back-stage management server is preserved the temperature data that receives and warning message and warning message is sent to user side, if do not surpass, temperature data acquisition terminal just temperature data sends to back-stage management server in real time by the data transmission concentrator, and this back-stage management server is preserved the temperature data that receives.
Described temperature data acquisition terminal is the active electronic label that is embedded with temperature sensor, and this active electronic label is connected with the data transmission concentrator by radio frequency network.
Also comprise the handheld terminal that is connected with active label, back-stage management server respectively, this handheld terminal is used for the collection of scene temperature data and the parameter of active label is set.
Described active electronic label has stronger anti-metal jamming performance.
Described handheld terminal is the PDA that card reader is housed.
Described mobile communications network is GPRS network.
Described user side can be visited back-stage management server by internet, checks temperature data and the warning message of equipment.
Compared with prior art, the present invention has the following advantages:
1) present temperature monitoring for closed cable terminal is in the blind area, implements designed system of the present invention, can fundamentally solve the problem of temperature monitoring disappearance;
2) can provide portable temperature monitoring means and method for heavily loaded cable intermediate joint;
3) based on the temperature-sensitive equipment of RFID, it is little, easy for installation to have a volume, and information record amount is big, and the characteristics of long service life conveniently undergo technological transformation to existing equipment;
4) temperature information of each monitoring point can read on the spot by handheld terminal, can also be sent to background management system by the GPRS public network, and is easy to use;
5) safe operation for power distribution network provides guarantee more reliably, effectively prevented the generation of device damage and power outage, particularly protect electricity and some tricky times at high temperature, important application value is arranged, eliminated the temperature monitoring blind area on the electrical network, help to realize the electrical network intelligent target, the application of this system, power grid construction work is upgraded to a new height, create huge economic benefit, open vast market space more.
Description of drawings
Fig. 1 is structural representation of the present invention.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Embodiment
As shown in Figure 1, a kind of closed cable device temperature on-line monitoring system based on wireless radio-frequency comprises the temperature data acquisition terminal 1, radio frequency network 2, data transmission concentrator 3, mobile communications network 4, the back-stage management server 5 that connect successively;
After the described temperature data acquisition terminal 1 collecting temperature data, carry out this locality and preserve and judge whether to surpass setting threshold, if surpass, carrying out this locality reports to the police, simultaneously temperature data and warning message are sent to back-stage management server in real time by data transmission concentrator 3, this back-stage management server is preserved the temperature data that receives and warning message and warning message is sent to user side, if do not surpass, temperature data acquisition terminal just temperature data sends to back-stage management server in real time by the data transmission concentrator, and this back-stage management server is preserved the temperature data that receives.
Described temperature data acquisition terminal is the active electronic label that is embedded with temperature sensor, and this active electronic label is connected with the data transmission concentrator by radio frequency network.
The present invention also comprises the handheld terminal 6 that is connected with active label, back-stage management server respectively, and this handheld terminal 6 is used for the collection of scene temperature data and the parameter of active label is set.
Described active electronic label has stronger anti-metal jamming performance.Described handheld terminal 6 is for being equipped with the PDA of card reader.Described mobile communications network is GPRS network.Described user side can be visited back-stage management server by internet, checks temperature data and the warning message of equipment.
For active electronic label, monitored equipment mostly is the metal surface, it is RFID technology application difficult point all the time that metal disturbs, disturb and be easy to stick on the first-class difficult problem of all size assets for solving metal, the attachment labels and the drop label that are applicable to different size specification equipment have been researched and developed specially, by particular design and the packing to the label built-in aerial, label has anti-metal jamming performance preferably.
Meet EPC C1G2 standard, its frequency of operation is 860MHz~960MHz, has 240 EPC sign indicating numbers, 64 TID sign indicating numbers, and 512 user data areas can repeat erasable use, and 32 access code and kill instruction can effectively ensure Item Information safety and privacy of user.Anti-collision mechanism is contained in this label inside, can be suitable for the application scenario of many tag recognition, and is the Asset Tag that is applicable to the metal surface.Only need during use the adhesive sticker scraps of paper of label back are torn, can stick on directly that this label is the linear polarization label on the equipment of band metal shell, if be consistent with the reader antenna polarised direction, will obtain best recognition performance.
Working temperature :-20 ℃~+ 70 ℃;
Storing temperature :-40 ℃~+ 85 ℃;
The data holding time:>10 years;
Anti-collision mechanism: be suitable for many labels and read.
For hand-held technical grade PDA, system adopts based on the up-to-date Mobile operating system of Microsoft PDA terminal.It is very convenient, stable to carry operation.Improve convenience, the accuracy of patrolling and examining in very big degree.PDA memory capacity is big, has enough spaces to store and patrols and examines data.PDA configuration high-performance CPU provides stronger processing power than other hand-held functions.PDA also provides character input function and full frame handwriting functions, can be handwriting characters and Chinese character at screen directly.Technical grade design, dustproof, waterproof, shatter-resistant, degree of protection reaches IP65.
The data transmission concentrator, modular design is adopted in the design of radio frequency-GPRS data acquisition, storage and transmission terminal just.Satisfy the requirement of EMC IV level electromagnetic compatible.Adopt the GPRS communication module MC52i of technical grade, host CPU adopts LPC2138, and built-in operating system can be carried out the function expansion easily; Cooperate master chip to carry out the design of peripheral circuit, comprise that mainly the flash storer that adopts 16M stores Various types of data; Adopt 32K ferroelectric data and clock information are stored frequently to reading;
For the design of back-stage management server, mainly comprise following several respects:
Perfect statistical study: the temperature information that obtains is done labor and processing, is the importance that improves the using value of equipment operation management software product.System is explained intuitively by forms such as chart, forms, is convenient to the supvr and makes correct decision-making;
Diverse in function: can online trick copy temperature information, can the design temperature alarming value, the clock information of setting terminal etc.;
With the PMS system integration: in Utilities Electric Co. running, the groundwork of operation of power networks department is all undertaken by the PMS production management system at present, for the better application native system, expands the function of original PMS system simultaneously.Native system is at original PMS system specialized designs configuration interface, realizes sharing and synchronously of data.
The present invention has effectively prevented the generation of device damage and power outage for the safe operation of power distribution network provides guarantee more reliably, particularly protects electricity and some tricky times at high temperature, and important application value is arranged.Eliminate the temperature monitoring blind area on the electrical network, helped to realize the electrical network intelligent target.The application of this system will make power grid construction work upgrade to a new height, and creates huge economic benefit, opens vast market space more.

Claims (7)

1. the closed cable device temperature on-line monitoring system based on wireless radio-frequency is characterized in that, comprises the temperature data acquisition terminal, radio frequency network, data transmission concentrator, mobile communications network, the back-stage management server that connect successively;
After the described temperature data acquisition terminal collecting temperature data, carry out this locality and preserve and judge whether to surpass setting threshold, if surpass, carrying out this locality reports to the police, simultaneously temperature data and warning message are sent to back-stage management server in real time by the data transmission concentrator, this back-stage management server is preserved the temperature data that receives and warning message and warning message is sent to user side, if do not surpass, temperature data acquisition terminal just temperature data sends to back-stage management server in real time by the data transmission concentrator, and this back-stage management server is preserved the temperature data that receives.
2. a kind of closed cable device temperature on-line monitoring system based on wireless radio-frequency according to claim 1, it is characterized in that, described temperature data acquisition terminal is the active electronic label that is embedded with temperature sensor, and this active electronic label is connected with the data transmission concentrator by radio frequency network.
3. a kind of closed cable device temperature on-line monitoring system based on wireless radio-frequency according to claim 2, it is characterized in that, also comprise the handheld terminal that is connected with active label, back-stage management server respectively, this handheld terminal is used for the collection of scene temperature data and the parameter of active label is set.
4. a kind of closed cable device temperature on-line monitoring system based on wireless radio-frequency according to claim 2 is characterized in that described active electronic label has stronger anti-metal jamming performance.
5. a kind of closed cable device temperature on-line monitoring system based on wireless radio-frequency according to claim 3 is characterized in that described handheld terminal is the PDA that card reader is housed.
6. a kind of closed cable device temperature on-line monitoring system based on wireless radio-frequency according to claim 1 is characterized in that described mobile communications network is GPRS network.
7. a kind of closed cable device temperature on-line monitoring system based on wireless radio-frequency according to claim 1, it is characterized in that, described user side can be visited back-stage management server by internet, checks temperature data and the warning message of equipment.
CN2013100883857A 2013-03-19 2013-03-19 Online temperature monitoring system for closed cable equipment on basis of wireless radiofrequency technology Pending CN103234644A (en)

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Application Number Priority Date Filing Date Title
CN2013100883857A CN103234644A (en) 2013-03-19 2013-03-19 Online temperature monitoring system for closed cable equipment on basis of wireless radiofrequency technology

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103575415A (en) * 2013-09-13 2014-02-12 国家电网公司 On-line temperature monitoring system and method for intermediate joints of buried cable
CN103604529A (en) * 2013-11-25 2014-02-26 中国南方电网有限责任公司超高压输电公司天生桥局 Non-contact type converter valve temperature on-line monitoring method and device
CN103837245A (en) * 2014-03-27 2014-06-04 南京智中信息技术有限公司 Wireless temperature monitoring inspecting system and method
CN104640130A (en) * 2015-03-12 2015-05-20 成都金本华科技股份有限公司 Rapid transfer method for message
CN105098695A (en) * 2015-09-06 2015-11-25 福建中电合创电力科技有限公司 Intelligent explosion-proof system and control method
CN105629031A (en) * 2015-12-27 2016-06-01 东北电力大学 Portable ring network cabinet data tour inspection acquisition method based on internet of things information integration
CN105844578A (en) * 2016-05-16 2016-08-10 苏州迈奇杰智能技术有限公司 RFID technology-based double read-write mode vehicle management system
CN105841827A (en) * 2016-05-13 2016-08-10 郑州双杰科技股份有限公司 Temperature detection input system and method
CN106022798A (en) * 2016-05-16 2016-10-12 苏州迈奇杰智能技术有限公司 Comprehensive management system designed on the basis of RFID technology

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JP2002181628A (en) * 2000-12-19 2002-06-26 Sanyo Electric Co Ltd Management system
CN201878170U (en) * 2010-09-21 2011-06-22 武汉钢铁(集团)公司 Radio frequency identification device (RFID) handheld information acquisition and network management system
CN202600445U (en) * 2012-03-28 2012-12-12 上海市电力公司 A temperature monitoring system used for patrol and detection of electric power operation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002181628A (en) * 2000-12-19 2002-06-26 Sanyo Electric Co Ltd Management system
CN201878170U (en) * 2010-09-21 2011-06-22 武汉钢铁(集团)公司 Radio frequency identification device (RFID) handheld information acquisition and network management system
CN202600445U (en) * 2012-03-28 2012-12-12 上海市电力公司 A temperature monitoring system used for patrol and detection of electric power operation

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103575415A (en) * 2013-09-13 2014-02-12 国家电网公司 On-line temperature monitoring system and method for intermediate joints of buried cable
CN103575415B (en) * 2013-09-13 2016-04-20 国家电网公司 A kind of underground cable Joint Temperature on-line monitoring system and monitoring method thereof
CN103604529A (en) * 2013-11-25 2014-02-26 中国南方电网有限责任公司超高压输电公司天生桥局 Non-contact type converter valve temperature on-line monitoring method and device
CN103837245A (en) * 2014-03-27 2014-06-04 南京智中信息技术有限公司 Wireless temperature monitoring inspecting system and method
CN104640130A (en) * 2015-03-12 2015-05-20 成都金本华科技股份有限公司 Rapid transfer method for message
CN105098695A (en) * 2015-09-06 2015-11-25 福建中电合创电力科技有限公司 Intelligent explosion-proof system and control method
CN105098695B (en) * 2015-09-06 2018-02-23 福建中电合创电力科技有限公司 A kind of intelligently realizing explosion-proof system and control method
CN105629031A (en) * 2015-12-27 2016-06-01 东北电力大学 Portable ring network cabinet data tour inspection acquisition method based on internet of things information integration
CN105841827A (en) * 2016-05-13 2016-08-10 郑州双杰科技股份有限公司 Temperature detection input system and method
CN105841827B (en) * 2016-05-13 2019-01-11 郑州双杰科技股份有限公司 The temperature monitoring input method of temperature monitoring input system
CN105844578A (en) * 2016-05-16 2016-08-10 苏州迈奇杰智能技术有限公司 RFID technology-based double read-write mode vehicle management system
CN106022798A (en) * 2016-05-16 2016-10-12 苏州迈奇杰智能技术有限公司 Comprehensive management system designed on the basis of RFID technology

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Application publication date: 20130807