CN106768443A - A kind of high-tension cable conductor temperature measurement apparatus - Google Patents
A kind of high-tension cable conductor temperature measurement apparatus Download PDFInfo
- 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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- Prior art keywords
- temperature
- unit
- measurement apparatus
- central processing
- wireless transmitting
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/028—Means for indicating or recording specially adapted for thermometers arrangements for numerical indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements 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
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.
Priority Applications (1)
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CN201611237845.8A CN106768443A (en) | 2016-12-28 | 2016-12-28 | A kind of high-tension cable conductor temperature measurement apparatus |
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CN201611237845.8A CN106768443A (en) | 2016-12-28 | 2016-12-28 | A kind of high-tension cable conductor temperature measurement apparatus |
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CN201611237845.8A Pending CN106768443A (en) | 2016-12-28 | 2016-12-28 | A kind of high-tension cable conductor temperature measurement apparatus |
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Cited By (8)
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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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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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 |
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 |
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Cited By (8)
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 |