CN206648754U - A kind of HV cable accessories for including passive wireless temperature sensor - Google Patents
A kind of HV cable accessories for including passive wireless temperature sensor Download PDFInfo
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- CN206648754U CN206648754U CN201621066670.4U CN201621066670U CN206648754U CN 206648754 U CN206648754 U CN 206648754U CN 201621066670 U CN201621066670 U CN 201621066670U CN 206648754 U CN206648754 U CN 206648754U
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- temperature sensor
- wireless temperature
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Abstract
A kind of HV cable accessories for including passive wireless temperature sensor are the utility model is related to, include conductor connecting tube and cold-hot shrink intervalve, it is characterised in that:The passive wireless temperature sensor mainly includes sensor base plate, sensor chip and sensor dual-mode antenna, and passive wireless temperature sensor can be made into one with conductor connecting tube, or sensor is made into one with cold-hot shrink intervalve.HV cable accessories comprising passive wireless temperature sensor, built-in sensor radiofrequency signal dual-mode antenna, this antenna can receive inquiry radiofrequency signal, also can emission sensor feedback radiofrequency signal.Passive wireless temperature sensor utilizes the physical characteristic of material, power supply is not needed, directly contacted with measured point, and use wireless communication with radiofrequency signal dual-mode antenna, using this HV cable accessories connecting cable comprising passive wireless temperature sensor, the passive and wireless contact temperature-measuring to high-tension cable tie point is really realized.
Description
Technical field
The present invention relates to a kind of HV cable accessories for including passive wireless temperature sensor.
Background technology
Power transmission and distribution high-voltage cable joint is put with the extension of run time, the loosening of crimp head, insulation ag(e)ing and part
Electricity, high-pressure leakage etc., the rise of heating and temperature will be caused, this will be such that operation conditions further deteriorates, and promote temperature further
Lifting, the result of this vicious circle just triggers short circuit to blow out, or even fire.Because electric line cable connector is numerous and divides
Dissipate, be not easy manual patrol, therefore the temperature online measurement of high-tension cable electric connecting point can be realized, and propose corresponding pre-
Alert and alarm mechanism, the further expansion of loss can be avoided, while avoid due to height before danger occurs by failture evacuation
Power grid accident caused by pressing power transmission cable failure, has in power network actual motion safety and is of great significance.
Power equipment safety reliability is the important step of ultra-large power transmission and distribution and power grid security guarantee, to grid power
Equipment carries out safe operation, and monitoring necessitates in real time.Long-term operation of power networks as shown by data, power network electrical equipment malfunction are mostly
Because the reasons such as high current operation, ageing equipment, dielectric level decline cause equipment to be run under the high temperature conditions, and then trigger combustion
Burn, caused by the serious consequence such as blast.
Currently, in electrical power trans mission/distribution system, high voltage electric transmission cable is just obtaining more and more extensive application.This kind of cable distribution exists
In institute of electric substation and on transmission line of electricity, influenceed by processing technology, construction quality, operating condition and running environment, cable
And cable and junction malfunction rate is higher, and the normal work of power transmission cable whether the normal operation of direct relation transmission and distribution networkses.
For case above, in HV cable accessories field, current existing infrared measurement of temperature, optical fiber temperature-measurement, active radio
The solutions such as thermometric, equal existing defects:Infrared measurement of temperature is unable to on-line measurement, it is necessary to which inspection, can only measure intermediate connector pipe
Temperature outside insulating barrier, non-direct contact type thermometric;Optical fiber temperature-measurement difficult wiring, construction is complicated, due to light after working long hours
Fine insulation ag(e)ing, cause to produce along optical fiber and climb risk;Wired thermometric scheme needs to use at high-tension cable tie point
Battery uses CT power takings, application risk be present, later maintenance is big, while can only also measure outside intermediate connector pipe insulation layer
Temperature.
All there are some defects in these traditional HV cable accessories temperature survey modes, can not meet HV cable accessories
The thermometric requirement of various application scenarios, the HV cable accessories comprising passive wireless temperature sensor turn into current rational thermometric
Solution.
The content of the invention
For problems of the prior art, it is an object of the present invention to provide a kind of comprising passive wireless temperature sensor
HV cable accessories, realize that existing HV cable accessories (are received and dispatched with passive wireless temperature sensor containing sensor chip, sensor
Antenna, sensor base plate) integrated design.Using the cable accessory comprising passive wireless temperature sensor, cable can be achieved
The contact of tie point, passive and wireless formula thermometric.Surface acoustic wave (SAW is based on using one kind:Surface Acoustic Wave)
The novel passive radio temperature sensor of technology, the sensor utilize the physical characteristic of crystal installed therein, without work
Circuit, it is not necessary to power, and the communication with signal transmitting and receiving antenna is realized using wireless radiofrequency mode, really realize height piezoelectricity
Road separation operation.After the HV cable accessories installation of the type, without the replacing battery that has a power failure, power taking, failure need not be sensed
Point is few, the features such as without interruption maintenance.
In order to realize foregoing invention purpose, the technical solution adopted by the present invention is:One kind includes passive and wireless TEMP
The HV cable accessories of device, the integrated design of existing HV cable accessories and passive wireless temperature sensor is realized, utilizes bag
Cable accessory containing passive wireless temperature sensor, contact, the passive and wireless formula thermometric of cable connection point can be achieved.High-tension electricity
Cable fittings mainly include conductor connecting tube and cold-hot shrink intervalve.This kind of HV cable accessories are wirelessly warm using a kind of novel passive
Sensor is spent, passive wireless temperature sensor mainly includes sensor base plate, sensor chip and sensor dual-mode antenna, passive
Radio temperature sensor can be made into one with conductor connecting tube, or sensor is made into one with cold-hot shrink intervalve.Comprising passive
The HV cable accessories of radio temperature sensor, built-in sensor radiofrequency signal dual-mode antenna, this antenna can receive inquiry and penetrate
Frequency signal, also can emission sensor feedback radiofrequency signal, integration in sensor dual-mode antenna can use a variety of production methods.
Sensor base plate and conductor connecting tube or cold-hot shrink intervalve integral production;
Or sensor chip and conductor connecting tube or cold-hot shrink intervalve integral production;
Or sensor dual-mode antenna and conductor connecting tube or cold-hot shrink intervalve integral production.
Signal processing module control signal transmitter module in temperature analysis device by radiofrequency signal dual-mode antenna to comprising
The HV cable accessories of passive wireless temperature sensor send its feature rf frequency signal, and the cable accessory is set by integration
After the helical antenna of meter receives radiofrequency signal, the surface acoustic wave of plane of crystal in sensor, this surface acoustic wave are translated into
Spread speed and the temperature of crystal have certain characteristic relation.By setting reflecting grating in sensor crystal, make sensor
Resonance is produced on crystal, radiofrequency signal caused by resonance is by the HV cable accessories integration comprising passive wireless temperature sensor
The helical antenna transmitting of design.When returning radiofrequency signal generation, the signal controlled by analyzer signal processing module receives
Module is in work.The passback radiofrequency signal of reception obtains the temperature of HV cable accessories tie point after being analyzed device analysis.
Using such a HV cable accessories link cable joint comprising passive wireless temperature sensor, contact can be achieved
Thermometric, the temperature for measuring acquisition are identical with cable connection point temperature.This kind includes the high-tension cable of passive wireless temperature sensor
The physical characteristic for the crystal that annex is wherein included using passive wireless temperature sensor, without low voltage operating circuit, without electricity
Source, the direct temperature measurement of HV cable accessories is realized, it is safe to use, and reduce line service.
Brief description of the drawings
Fig. 1 is the conductor connecting tube integration sketch one comprising passive wireless temperature sensor HV cable accessories.
1 in Fig. 1, passive wireless temperature sensor chip;2nd, passive wireless temperature sensor substrate;3rd, passive and wireless temperature
Sensor dual-mode antenna;4th, conductor connecting tube.
Fig. 2 is the conductor connecting tube integration sketch two comprising passive wireless temperature sensor HV cable accessories.
1 in Fig. 2, passive wireless temperature sensor chip;2nd, passive wireless temperature sensor substrate;3rd, passive and wireless temperature
Sensor dual-mode antenna;4th, conductor connecting tube.
Fig. 3 is pipe integrated sketch one among the cold-hot shrink comprising passive wireless temperature sensor HV cable accessories.
1 in Fig. 3, passive wireless temperature sensor chip;2nd, passive wireless temperature sensor substrate;3rd, passive and wireless temperature
Sensor dual-mode antenna;5th, cold-hot shrink intervalve.
Fig. 4 is pipe integrated sketch two among the cold-hot shrink comprising passive wireless temperature sensor HV cable accessories.
1 in Fig. 4, passive wireless temperature sensor chip;2nd, passive wireless temperature sensor substrate;3rd, passive and wireless temperature
Sensor dual-mode antenna;5th, cold-hot shrink intervalve.
Fig. 5 is pipe integrated sketch three among the cold-hot shrink comprising passive wireless temperature sensor HV cable accessories.
1 in Fig. 5, passive wireless temperature sensor chip;2nd, passive wireless temperature sensor substrate;3rd, passive and wireless temperature
Sensor dual-mode antenna;5th, cold-hot shrink intervalve.
Embodiment
The present invention is further described with specific embodiment below in conjunction with the accompanying drawings.
Passive wireless temperature sensor substrate 2 (can be hard substrate or soft base plate) is deposited on conductor connecting tube 4 in Fig. 1
On, passive wireless temperature sensor chip 1 is welded on passive wireless temperature sensor substrate 2, passive wireless temperature sensor
The one end of dual-mode antenna 3 is welded on passive wireless temperature sensor substrate 2, passes through wire on passive wireless temperature sensor substrate 2
It is connected with passive wireless temperature sensor chip 1, passive wireless temperature sensor dual-mode antenna 3 is wrapped in conductor connecting tube 4,
Passive wireless temperature sensor dual-mode antenna 3 does not contact with conductor connecting tube 4, can be air or insulating materials.
Passive wireless temperature sensor substrate 2 (can be hard substrate or soft base plate) is deposited on conductor connecting tube 4 in Fig. 2
On, passive wireless temperature sensor chip 1 is welded on passive wireless temperature sensor substrate 2, passive wireless temperature sensor
The one end of dual-mode antenna 3 is welded on passive wireless temperature sensor substrate 2, passes through wire on passive wireless temperature sensor substrate 2
It is connected with passive wireless temperature sensor chip 1, passive wireless temperature sensor dual-mode antenna 3 is parallel to conductor connecting tube 4, nothing
Source radio temperature sensor dual-mode antenna 3 does not contact with conductor connecting tube 4, can be air or insulating materials.
By in passive wireless temperature sensor substrate 2 (can be hard substrate or soft base plate) and cold-hot shrink intervalve 5 in Fig. 3
Wall is in the same face, and passive wireless temperature sensor substrate 2 can directly contact with measured object, passive wireless temperature sensor core
Piece 1 is welded on passive wireless temperature sensor substrate 2, and the one end of passive wireless temperature sensor dual-mode antenna 3 is welded on passive
Radio temperature sensor substrate 2, pass through wire on passive wireless temperature sensor substrate 2 and passive wireless temperature sensor chip
1 connection, passive wireless temperature sensor dual-mode antenna 3 are wrapped in cold-hot shrink intervalve 5, passive wireless temperature sensor transmitting-receiving
Antenna 3 is wrapped up by cold-hot shrink intervalve 5 with material substance.
By in passive wireless temperature sensor substrate 2 (can be hard substrate or soft base plate) and cold-hot shrink intervalve 5 in Fig. 4
Wall is in the same face, and passive wireless temperature sensor substrate 2 can directly contact with measured object, passive wireless temperature sensor core
Piece 1 is welded on passive wireless temperature sensor substrate 2, and the one end of passive wireless temperature sensor dual-mode antenna 3 is welded on passive
Radio temperature sensor substrate 2, pass through wire on passive wireless temperature sensor substrate 2 and passive wireless temperature sensor chip
1 connection, passive wireless temperature sensor dual-mode antenna 3 are received parallel to the inwall of cold-hot shrink intervalve 5, passive wireless temperature sensor
Antenna 3 is sent out to be wrapped up with material substance by cold-hot shrink intervalve 5.
By in passive wireless temperature sensor substrate 2 (can be hard substrate or soft base plate) and cold-hot shrink intervalve 5 in Fig. 5
Wall is in the same face, and passive wireless temperature sensor substrate 2 can directly contact with measured object, passive wireless temperature sensor core
Piece 1 is welded on passive wireless temperature sensor substrate 2, and the one end of passive wireless temperature sensor dual-mode antenna 3 is welded on passive
Radio temperature sensor substrate 2, pass through wire on passive wireless temperature sensor substrate 2 and passive wireless temperature sensor chip
1 connection, passive wireless temperature sensor dual-mode antenna 3 are received perpendicular to the inwall of cold-hot shrink intervalve 5, passive wireless temperature sensor
Antenna 3 is sent out to be wrapped up with material substance by cold-hot shrink intervalve 5.
Passive wireless temperature sensor utilizes the physical characteristic of material, it is not necessary to power supply, directly contacted with measured point, and with
Radiofrequency signal dual-mode antenna uses wireless communication, uses this HV cable accessories for including passive wireless temperature sensor
Connecting cable, really realize the passive and wireless contact temperature-measuring to high-tension cable tie point.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in spirit of the invention and former
Within then, any modification, equivalent substitution and improvements done etc., it should be included in the scope of the protection.
Claims (2)
1. a kind of HV cable accessories for including passive wireless temperature sensor, comprising conductor connecting tube and cold-hot shrink intervalve,
It is characterized in that:The passive wireless temperature sensor includes sensor base plate, sensor chip, sensor dual-mode antenna, high
Piezoelectricity cable fittings built-in sensors dual-mode antenna;The passive wireless temperature sensor and the conductor connecting tube are fabricated to one
Body, or the passive wireless temperature sensor and the cold-hot shrink intervalve are made integrally;
Sensor base plate and conductor connecting tube or cold-hot shrink intervalve integral production;
Or sensor chip and conductor connecting tube or cold-hot shrink intervalve integral production;
Or sensor dual-mode antenna and conductor connecting tube or cold-hot shrink intervalve integral production.
2. according to the HV cable accessories for including passive wireless temperature sensor described in claim 1, it is characterised in that:Institute
It is a kind of sensor radiofrequency signal dual-mode antenna to state sensor dual-mode antenna.
Priority Applications (1)
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CN201621066670.4U CN206648754U (en) | 2016-09-20 | 2016-09-20 | A kind of HV cable accessories for including passive wireless temperature sensor |
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CN201621066670.4U CN206648754U (en) | 2016-09-20 | 2016-09-20 | A kind of HV cable accessories for including passive wireless temperature sensor |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110702259A (en) * | 2019-11-18 | 2020-01-17 | 国网江苏省电力有限公司南通供电分公司 | Cable joint temperature on-line monitoring device and implementation method thereof |
CN110707656A (en) * | 2019-11-18 | 2020-01-17 | 国网江苏省电力有限公司南通供电分公司 | Cable joint sleeve pipe of colding pressing with temperature sensing function |
WO2021077772A1 (en) * | 2019-10-21 | 2021-04-29 | 长缆电工科技股份有限公司 | Pressure equalizing cover of cable connector |
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 |
-
2016
- 2016-09-20 CN CN201621066670.4U patent/CN206648754U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021077772A1 (en) * | 2019-10-21 | 2021-04-29 | 长缆电工科技股份有限公司 | Pressure equalizing cover of cable connector |
CN110702259A (en) * | 2019-11-18 | 2020-01-17 | 国网江苏省电力有限公司南通供电分公司 | Cable joint temperature on-line monitoring device and implementation method thereof |
CN110707656A (en) * | 2019-11-18 | 2020-01-17 | 国网江苏省电力有限公司南通供电分公司 | Cable joint sleeve pipe of colding pressing with temperature sensing function |
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 |
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