CN106768443A - A kind of high-tension cable conductor temperature measurement apparatus - Google Patents

A kind of high-tension cable conductor temperature measurement apparatus Download PDF

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Publication number
CN106768443A
CN106768443A CN201611237845.8A CN201611237845A CN106768443A CN 106768443 A CN106768443 A CN 106768443A CN 201611237845 A CN201611237845 A CN 201611237845A CN 106768443 A CN106768443 A CN 106768443A
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CN
China
Prior art keywords
temperature
unit
measurement apparatus
central processing
wireless transmitting
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
CN201611237845.8A
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Chinese (zh)
Inventor
刘哲
葛少伟
邝涛
侯建峰
王家斌
苏菲
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
Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd
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, Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201611237845.8A priority Critical patent/CN106768443A/en
Publication of CN106768443A publication Critical patent/CN106768443A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/02Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02Means for indicating or recording specially adapted for thermometers
    • G01K1/024Means for indicating or recording specially adapted for thermometers for remote indication
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02Means for indicating or recording specially adapted for thermometers
    • G01K1/028Means for indicating or recording specially adapted for thermometers arrangements for numerical indication
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/14Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

The present invention discloses a kind of high-tension cable conductor temperature measurement apparatus, including:Cable connector and the connecting tube being arranged at the cable connector, also include:Cable connector high-pressure side is arranged on, and the temperature monitoring module contacted with connecting tube;Temperature monitoring module includes:For Real-time Collection temperature of cable junction, and by the temperature sensor of institute's collecting temperature information transfer to temperature transition unit;For temperature sensor institute collecting temperature information to be carried out into analog-to-digital conversion, and the temperature information after treatment is sent to the temperature transition unit of central processing unit;And, central processing unit, data wireless transmitting unit and power subsystem.The present invention is easy for installation, without magnetic saturation, without vortex, built-in temperature measurement module is placed directly against into joint conductor position in the way of the apply of surface, realizes cable connector conductor temperature contact type measurement.

Description

A kind of high-tension cable conductor temperature measurement apparatus
Technical field
The present invention sets temperature measuring equipment, and in particular to a kind of temperature survey dress of Monitoring High Voltage Cable conductor temperature Put.
Background technology
With the fast development of Process of Urbanization Construction, urban distribution network cable degree is improved rapidly, and buried cable has become city The chief component of city's electric power rack, but cable monitoring running state is limited to by technology both at home and abroad at present, it is difficult to carry out complete The interruption of services such as the effective operational monitoring in face, various regions electric cable explosion emerge in an endless stream.In order to ensure that city production, living safety have Sequence, cable safe and reliable operation is extremely important, and effective cable operation monitoring system can provide safeguard for cable running safety. A key parameter for weighing cable operation safety is running temperature, main in the market to use epidermis thermometric, infrared heat As instrument, optical fiber temperature-measurement, these three thermometric modes have limitation, to appearance exposed component effectively, but can not truly reflect cable Internal closed space leads the running temperature of core, it is impossible to the monitoring and analysis to operation of power networks core key parameter are solved, so city It is badly in need of a kind of innovative technology that can accurately measure cable conductor temperature in real time in field.
The content of the invention
To solve the above problems, the present invention provides a kind of high-tension cable conductor temperature measurement apparatus, by being close to conductor On passive temperature measurement apparatus obtain temperature data, monitor in real time temperature data change.
The technical scheme is that:A kind of high-tension cable conductor temperature measurement apparatus, including:Cable connector and it is arranged on Connecting tube at the cable connector, also includes:Cable connector high-pressure side is arranged on, and the temperature monitoring mould contacted with connecting tube Block;
The temperature monitoring module includes:
For Real-time Collection temperature of cable junction, and by the TEMP of institute's collecting temperature information transfer to temperature transition unit Device;
For temperature sensor institute collecting temperature information to be carried out into analog-to-digital conversion, and the temperature information after treatment is sent to center The temperature transition unit of processor;
And, central processing unit, data wireless transmitting unit and power subsystem;
The output end of the temperature sensor is connected with the input of temperature transition unit, and the output end of temperature transition unit is with The input connection of central processor, the output end of central processing unit is connected with the input of data wireless transmitting unit;In described Central processor obtains the temperature information of temperature transition unit output, judges whether temperature is abnormal and temperature signal and temperature is different Regular signal is sent by data wireless transmitting unit;
The power subsystem is connected with temperature transition unit, central processing unit, data wireless transmitting unit respectively;The power supply list Unit provides power supply to temperature transition unit, central processing unit, data wireless transmitting unit.
Further, the power subsystem includes electricity taking coil and electric energy management unit;
The input of the electric energy management unit is connected with electricity taking coil, the input of electric energy management unit respectively with temperature transition Unit, central processing unit, the connection of data wireless transmitting unit;The electric energy management unit collects cable connector by electricity taking coil Surrounding magnetic field, converts magnetic fields to electric energy.
Further, also including housing, housing is hollow structure, and housing surrounding is provided with draw-in groove;Temperature monitoring module sets Put in the hollow structure of housing, electricity taking coil is wrapped in the draw-in groove of housing surrounding.
Further, housing bottom is provided with adsorption section.
Further, central processing unit is MCU central processing units.
Further, MCU central processing units be MPS430 chips, temperature transition unit be MAX31855 chips, data without Line transmitter unit is NRF24L01 chips, and electric energy management unit is BQ51021 chips.
Further, temperature sensor is K-type thermocouple.
Further, also include:Host computer communication and the display terminal for being provided with alarm module;
The host computer communication communicates with data wireless transmitting unit, and the display terminal is connected with host computer communication.
Further, the display terminal includes live display terminal and remote display terminals.
The high-tension cable conductor temperature measurement apparatus that the present invention is provided, realize cable connector using built-in temperature transducer, Cable connector internal high pressure side is placed in, the running temperature of conductor is measured using directly contact mensuration, to cable major insulation physics Structurally and electrically performance has no effect;For cable connector inside highfield feature, using high-voltage side Equipotential shield Work is covered, zero potential side joint is received, and technology for radio frequency penetrates cable connector major insulation, cable connector conductor high side temperature is led to Communication transmission most cable connector outside zero point position is crossed, high-pressure side direct contact type measurement conductor temperature is realized.
It is easy for installation, without magnetic saturation, without vortex, built-in temperature measurement module is placed directly against joint in the way of the apply of surface Conductor position, realizes cable connector conductor temperature contact type measurement.
Brief description of the drawings
Fig. 1 is specific embodiment of the invention system block diagram.
Fig. 2 is specific embodiment of the invention temperature monitoring module theory diagram.
Fig. 3 is specific embodiment of the invention temperature monitoring module schematic view of the mounting position.
Fig. 4 is A portions enlarged drawing in Fig. 3.
Fig. 5 is specific embodiment of the invention temperature monitoring module structural representation.
Fig. 6 is specific embodiment of the invention type of alarm schematic diagram.
Specific embodiment
The present invention will be described in detail below in conjunction with the accompanying drawings and by specific embodiment, and following examples are to the present invention Explanation, and the invention is not limited in implementation below.
It is as shown in figure 1, the high-tension cable conductor temperature measurement apparatus that the present invention is provided including temperature monitoring module 100, logical News main frame 110 and display terminal 120.Wherein display terminal 120 is provided with alarm module, and display terminal 120 includes that scene shows Terminal 700 and remote display terminals 710.Remote display terminals can be PC Surveillance center, smart machine, liquid crystal display panel Deng.
The temperature change of the real-time monitoring cable conductor of temperature monitoring module 100, judges whether cable conductor temperature exceedes police Ring value, when temperature exceedes warning value, sends alarm signal.Temperature monitoring module 100 in real time the temperature that will be monitored send to Host computer communication 110, the control display cable conductor temperature of display terminal 120 of host computer communication 110, and when alarm signal is received, Control display terminal 120 is alarmed.
As shown in fig. 6, when temperature monitoring module 100 detects temperature more than warning line, to the He of live display terminal 700 Remote display terminals 710 send data.Live display terminal 700 uses splashette 721 and audible alarm 723(Including buzzer or External loudspeaker)Mode to user alarm;Remote display terminals 710 are using the red prompting 722, audible alarm 723 of alarm point(Bag Include buzzer or external loudspeaker)Mode with short message alarm 724 is alarmed to user.It is type of alarm in dotted line frame in figure.
As shown in Fig. 2,3 and 4, the present apparatus also includes cable connector and the connecting tube being arranged at cable connector, temperature prison Survey module and be arranged on cable connector high-pressure side, and contacted with connecting tube.
Temperature monitoring module 110 includes:
For Real-time Collection temperature of cable junction, and the temperature of institute's collecting temperature information transfer to temperature transition unit 310 is passed Sensor 350;
For 350 collecting temperature information of temperature sensor to be carried out into analog-to-digital conversion, and by the temperature information after treatment send to The temperature transition unit 310 of central processing unit 300;
And, central processing unit 300, data wireless transmitting unit 320 and power subsystem 360;
The output end of temperature sensor 350 is connected with the input of temperature transition unit 310, the output of temperature transition unit 310 End is connected with the input of central processing unit 300, and the output end of central processing unit 300 is defeated with data wireless transmitting unit 320 Enter end connection;Central processing unit 300 obtains the temperature information of the output of temperature transition unit 310, judges whether temperature is abnormal, and will Temperature signal and temperature anomaly signal are sent by data wireless transmitting unit 320;Data wireless transmitting unit 320 is led with communication The radio communication of machine 110;Data wireless transmitting unit 320 is launched radio signal frequency and can be selected according to different cable connector structures The signal of different frequency is selected, frequency range is between 2.4GHz-5.8GHz.
Power subsystem 360 connects with temperature transition unit 310, central processing unit 300, data wireless transmitting unit 320 respectively Connect;Power subsystem 310 provides power supply to temperature transition unit 310, central processing unit 300, data wireless transmitting unit 320.
Power subsystem 360 include electricity taking coil 340 and electric energy management unit 330, the input of electric energy management unit 340 with Electricity taking coil 330 is connected, the input of electric energy management unit 340 respectively with temperature transition unit 310, central processing unit 300, number Connected according to wireless transmitting unit 320;Electric energy management unit 330 collects cable connector surrounding magnetic field by electricity taking coil 340, by magnetic Field is converted to electric energy.
As shown in figure 5, the present apparatus is additionally provided with housing 601, housing 610 is hollow structure, in the hollow structure of housing 610 Circuit board 602 is set, is set on circuit board 602 and temperature monitoring module 100 is set on temperature monitoring module 100, i.e. circuit board 602 Temperature transition unit 310, central processing unit 300, data wireless transmitting unit 320 and PMU 330 etc..Housing 610 surroundings are provided with draw-in groove, and electricity taking coil 340 is arranged on and is wrapped in the draw-in groove of the surrounding of housing 601.The bottom of housing 601 is set There is adsorption section, to be conveniently placed in connecting tube.
The present embodiment makes full use of energy of electromagnetic field characteristic to realize entirely autonomous power supply, need not can safeguard for a long time, as long as Point for measuring temperature has electric current to pass through, and will produce electromagnetic field, then high-tension cable conductor temperature measurement apparatus just can be obtained continuously Take magnetic field energy, maintenance work.High-tension cable conductor temperature measurement apparatus power consumption very little is minimum to only need to 0.04mW, it is only necessary to The electric current that point for measuring temperature has more than 3A passes through, and high-tension cable conductor temperature measurement apparatus can just have a wide range of application with normal work, complete The demand of power industry user can be met entirely.It is stable and reliable for performance, realize substantially non-maintaining.High-tension cable conductor temperature is measured Energy is obtained from magnetic field small, 0.04-9mW, it is not necessary to which protection circuit consumes big energy;Spontaneous heating is small, without substantially vortex Thermal phenomenon, will not measure internal overtemperature because of high-tension cable conductor temperature influences its normal operation, will not also aggravate measured point temperature Degree;Without external power supply(Such as lithium battery), in the absence of replacing battery problems;High-tension cable conductor temperature measurement apparatus inside uses Professional shield technology, is greatly reduced strong magnetic environment interference.
In the present embodiment, temperature sensor 350 can use K-type thermocouple, and central processing unit 300 is MCU central processing units, MCU central processing units are MPS430 chips, and temperature transition unit 310 is MAX31855 chips, and data wireless transmitting unit 320 is NRF24L01 chips, electric energy management unit 330 is BQ51021 chips.In other schemes, can be identical with having with upper module The chip or circuitry instead of function, are not limited only to said chip.
The above is only the preferred embodiment of the present invention, it should be pointed out that:For the ordinary skill people of the art For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (9)

1. a kind of high-tension cable conductor temperature measurement apparatus, including:Cable connector and the connection being arranged at the cable connector Pipe, it is characterised in that also include:Cable connector high-pressure side is arranged on, and the temperature monitoring module contacted with connecting tube;
The temperature monitoring module includes:
For Real-time Collection temperature of cable junction, and by the TEMP of institute's collecting temperature information transfer to temperature transition unit Device;
For temperature sensor institute collecting temperature information to be carried out into analog-to-digital conversion, and the temperature information after treatment is sent to center The temperature transition unit of processor;
And, central processing unit, data wireless transmitting unit and power subsystem;
The output end of the temperature sensor is connected with the input of temperature transition unit, and the output end of temperature transition unit is with The input connection of central processor, the output end of central processing unit is connected with the input of data wireless transmitting unit;In described Central processor obtains the temperature information of temperature transition unit output, judges whether temperature is abnormal and temperature signal and temperature is different Regular signal is sent by data wireless transmitting unit;
The power subsystem is connected with temperature transition unit, central processing unit, data wireless transmitting unit respectively;The power supply list Unit provides power supply to temperature transition unit, central processing unit, data wireless transmitting unit.
2. high-tension cable conductor temperature measurement apparatus according to claim 1, it is characterised in that the power subsystem includes Electricity taking coil and electric energy management unit;
The input of the electric energy management unit is connected with electricity taking coil, the input of electric energy management unit respectively with temperature transition Unit, central processing unit, the connection of data wireless transmitting unit;The electric energy management unit collects cable connector by electricity taking coil Surrounding magnetic field, converts magnetic fields to electric energy.
3. high-tension cable conductor temperature measurement apparatus according to claim 2, it is characterised in that also including housing, housing It is hollow structure, housing surrounding is provided with draw-in groove;Temperature monitoring module is arranged in the hollow structure of housing, electricity taking coil winding In the draw-in groove of housing surrounding.
4. high-tension cable conductor temperature measurement apparatus according to claim 3, it is characterised in that housing bottom is provided with suction Attached portion.
5. high-tension cable conductor temperature measurement apparatus according to claim any one of 2-4, it is characterised in that center treatment Device is MCU central processing units.
6. high-tension cable conductor temperature measurement apparatus according to claim 5, it is characterised in that MCU central processing units are MPS430 chips, temperature transition unit is MAX31855 chips, and data wireless transmitting unit is NRF24L01 chips, electric energy management Unit is BQ51021 chips.
7. high-tension cable conductor temperature measurement apparatus according to claim 1-4,6 any one, it is characterised in that temperature is passed Sensor is K-type thermocouple.
8. high-tension cable conductor temperature measurement apparatus according to claim 1-4,6 any one, it is characterised in that also wrap Include:Host computer communication and the display terminal for being provided with alarm module;
The host computer communication communicates with data wireless transmitting unit, and the display terminal is connected with host computer communication.
9. high-tension cable conductor temperature measurement apparatus according to claim 1-4,6 any one, it is characterised in that described aobvious Show that terminal includes live display terminal and remote display terminals.
CN201611237845.8A 2016-12-28 2016-12-28 A kind of high-tension cable conductor temperature measurement apparatus Pending CN106768443A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108919047A (en) * 2018-05-17 2018-11-30 湖南国奥电力设备有限公司 A kind of buried cable detection system and method
CN109490703A (en) * 2018-05-17 2019-03-19 袁茂银 A kind of sensor-based buried cable detection system
CN110261001A (en) * 2019-06-28 2019-09-20 浙江荷清柔性电子技术有限公司 Cable intermediate joint temperature measurement system
CN111855001A (en) * 2020-06-01 2020-10-30 国网浙江省电力有限公司宁波供电公司 Cable intermediate head temperature measuring device
CN112362188A (en) * 2020-11-11 2021-02-12 国网湖南省电力有限公司 Enhanced RFID passive temperature measurement label for power cable connector and temperature measurement method
CN112865009A (en) * 2020-12-31 2021-05-28 广州霍斯通电气股份有限公司 Cable intermediate joint, joint assembly and preparation method
CN113188682A (en) * 2021-06-01 2021-07-30 中广核新能源六安有限公司 Automatic temperature measurement protection device for cable joint on high-voltage side of box-type substation
CN113767290A (en) * 2019-04-30 2021-12-07 日立能源瑞士股份公司 Power cable joint device and electrical system

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JP2009053025A (en) * 2007-08-27 2009-03-12 Fujikura Ltd Connection device of high-voltage power cable, and temperature monitoring method of connection part of high-voltage power cable
CN101666686A (en) * 2009-09-16 2010-03-10 武汉本杰明自动化设备工程有限公司 Online monitoring device for temperature of high voltage board bus bar, cable joint and contact
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CN103453999A (en) * 2013-08-09 2013-12-18 国家电网公司 Transformer substation device temperature monitoring system based on self-energy-acquiring wireless temperature sensor
CN103674297A (en) * 2013-12-05 2014-03-26 国家电网公司 Temperature measurement system for cable joint of annular cabinet
CN104848956A (en) * 2014-11-22 2015-08-19 青岛同创节能环保工程有限公司 Wireless passive temperature sensor
CN206638359U (en) * 2016-12-28 2017-11-14 国网山东省电力公司济南供电公司 A kind of high-tension cable conductor temperature measurement apparatus

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Publication number Priority date Publication date Assignee Title
JP2009053025A (en) * 2007-08-27 2009-03-12 Fujikura Ltd Connection device of high-voltage power cable, and temperature monitoring method of connection part of high-voltage power cable
CN101666686A (en) * 2009-09-16 2010-03-10 武汉本杰明自动化设备工程有限公司 Online monitoring device for temperature of high voltage board bus bar, cable joint and contact
CN201867269U (en) * 2010-09-09 2011-06-15 杨毅 Electric power high-voltage self-powered wireless temperature measurement terminal
CN102494786A (en) * 2011-11-11 2012-06-13 江苏正佰电气有限公司 Device for wirelessly monitoring contact temperature of high-voltage switch cabinet
CN103453999A (en) * 2013-08-09 2013-12-18 国家电网公司 Transformer substation device temperature monitoring system based on self-energy-acquiring wireless temperature sensor
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CN206638359U (en) * 2016-12-28 2017-11-14 国网山东省电力公司济南供电公司 A kind of high-tension cable conductor temperature measurement apparatus

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108919047A (en) * 2018-05-17 2018-11-30 湖南国奥电力设备有限公司 A kind of buried cable detection system and method
CN109490703A (en) * 2018-05-17 2019-03-19 袁茂银 A kind of sensor-based buried cable detection system
CN113767290A (en) * 2019-04-30 2021-12-07 日立能源瑞士股份公司 Power cable joint device and electrical system
CN110261001A (en) * 2019-06-28 2019-09-20 浙江荷清柔性电子技术有限公司 Cable intermediate joint temperature measurement system
CN111855001A (en) * 2020-06-01 2020-10-30 国网浙江省电力有限公司宁波供电公司 Cable intermediate head temperature measuring device
CN112362188A (en) * 2020-11-11 2021-02-12 国网湖南省电力有限公司 Enhanced RFID passive temperature measurement label for power cable connector and temperature measurement method
CN112865009A (en) * 2020-12-31 2021-05-28 广州霍斯通电气股份有限公司 Cable intermediate joint, joint assembly and preparation method
CN113188682A (en) * 2021-06-01 2021-07-30 中广核新能源六安有限公司 Automatic temperature measurement protection device for cable joint on high-voltage side of box-type substation

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Application publication date: 20170531