CN109916525A - A kind of cable local temperature measuring device - Google Patents

A kind of cable local temperature measuring device Download PDF

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Publication number
CN109916525A
CN109916525A CN201811564963.9A CN201811564963A CN109916525A CN 109916525 A CN109916525 A CN 109916525A CN 201811564963 A CN201811564963 A CN 201811564963A CN 109916525 A CN109916525 A CN 109916525A
Authority
CN
China
Prior art keywords
cable
anchor ear
temperature measuring
measuring device
local temperature
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
CN201811564963.9A
Other languages
Chinese (zh)
Inventor
方玉群
姜文东
徐飞明
朱亦振
蒋其武
潜力群
蒋卫东
顾浩
黄磊磊
李进荣
姜慧
齐以涛
马阳晓
刘文杰
张帆
郝维瀚
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.)
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
Jinhua Power Supply Co of State Grid Zhejiang 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 Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority to CN201811564963.9A priority Critical patent/CN109916525A/en
Publication of CN109916525A publication Critical patent/CN109916525A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a kind of cable local temperature measuring devices, including anchor ear and measurement component, the measurement component includes measurement end and processing end, the anchor ear, which is arranged, to be mounted on cable, anchor ear is provided with the measured hole in outside in connection anchor ear, and the measurement end is mounted in the measured hole, and the processing end connects measurement end, waterproof cover is additionally provided on processing end, processing end is mounted on the outside of anchor ear.The present invention realizes the point type thermometric to cable run cable jacket, effectively monitors the temperature at the temperature bottleneck point position in cable run, has the characteristics that high measurement accuracy, at low cost, high reliablity, is easily installed and is conducive to maintenance.

Description

A kind of cable local temperature measuring device
Technical field
The present invention relates to cable field of temperature measurement, in particular to a kind of cable local temperature measuring device.
Background technique
Since power cable line usually there are continuous several kilometers even tens kilometers, there is the characteristic of long length distribution, when Temperature can be generated when passing through load current in cable on cable conductor, temperature is successively transmitted to straight on the other structures layer of cable To external sheath layer.It and is always that a major issue and technology are difficult to the monitoring of the cable jacket layer temperature of long range distribution Point.Generally use distributed optical fiber temperature measurement realize long range cable temperature distribution monitoring, but for long range distribution Cable often becomes bottleneck point due to closing on other heat sources at portion, for the temperature monitoring of this bottleneck point Point type thermometric is needed to realize, and common point type temperature measuring equipment is difficult to be directly applied to cable run due to its design feature On thermometric, lack targetedly point type cable jacket temperature measuring equipment at present.
The patent of invention of Authorization Notice No. CN104596669B discloses a kind of distribution cable conductor temperature measurement dress It sets, further includes one-point type including being located at cable outer surface and the distributed optical fiber temperature sensor arranged longitudinally along the cable Temperature measuring equipment, the point type temperature measuring equipment include the thermal resistor being coated on cable outer surface, and the inner surface of the thermal resistor is equipped with The outer surface of the one internal layer temperature sensor being in contact with cable outer surface, the thermal resistor is equipped with an exospheric temperature sensor, The internal layer temperature sensor and exospheric temperature sensor are located in the same radial alignment of cable.The distribution cable conductor temperature Degree measuring device can obtain the Temperature Distribution of the cable conductor along cable.
Temperature measuring device in above-mentioned documents is mounted on cable by way of pasting or tying up, and is existed one The fixed risk that falls off, influences accuracy of measurement, and is unfavorable for the maintenance in later period, improves cost indirectly.
Summary of the invention
For the problem that prior art measurement accuracy is low, it is at high cost and be unfavorable for maintenance, the present invention provides a kind of cables Local temperature measuring device realizes the point type thermometric to cable run cable jacket, effectively monitors the temperature in cable run Temperature at bottleneck point position has the characteristics that high measurement accuracy, at low cost, high reliablity, is easily installed and is conducive to maintenance.
It is technical solution of the present invention below.
A kind of cable local temperature measuring device, including anchor ear and measurement component, the measurement component include measurement end and Processing end, the anchor ear, which is arranged, to be mounted on cable, and anchor ear is provided with the measured hole in outside in connection anchor ear, the measurement end installation In the measured hole, the processing end connects measurement end, is additionally provided with waterproof cover on processing end, processing end is mounted on outside anchor ear Side.Anchor ear is common a kind of component on cable, by the way that measurement component is arranged on anchor ear, it is possible to reduce additional is mounted to This simplifies later maintenance, and the mode in measured hole, which is arranged in, in measurement end makes to install more firm, high reliablity.No matter in addition existing Underground or outdoor, requiring measurement component has certain waterproof ability, and preventing into water leads to short trouble, therefore anti- Water cover is very necessary.
Further, the measurement end includes thermocouple, conducting wire, shell and fixture nut, and the shell passes through described solid Determine nut connection measured hole, inside the shell, thermocouple abuts cable, the conducting wire connection thermocouple and place to the installation of TC Manage end.The present apparatus converts electric signal for temperature signal by thermocouple, then is handled by processing end.
Further, the processing end includes sampling module, power supply module, display module and communication module, the sampling Module connects measurement end, and the display module and communication module connect sampling module, and the power supply module provides power supply.Sample mould Block analysis handles resulting signal, then transfers information to display module and show, and connects exterior terminal by communication module, real Now real-time monitoring temperature.
Further, the communication module is 4G communication module.This communication modes technology maturation is suitble to make here With.
Further, the processing end further includes solar battery, and the solar battery connects power supply module, solar energy Battery is in a certain angle with horizontal direction.In some outdoor cables, solar battery can be added, improves the continuation of the journey of device Ability.
Further, the solar battery is in equilateral triangle, shares the solar battery of 4 pieces of same specifications with square cone Form setting.Square centrum is arranged so that having good solar energy acquisition ability in each period on daytime.
Further, the waterproof cover is transparent watertight cover.In transparent watertight cover can be observed in the case where not removing The situation of parts.
Further, the anchor ear is made of two half hoops, is bolted and adjusts distance between the half hoop.
Further, anti-slip layer is equipped on the inside of the anchor ear, the anti-slip layer abuts cable outer surface.Anti-slip layer can be to prevent Only anchor ear occurs sliding or overturn, and guarantees the reliability of device.
Further, the shell is bullet-headed.Set bullet-headed for the shell of measurement end, when can make installation It is more convenient, it improves efficiency.
The present invention will measure component integration on anchor ear, install convenient and cost is relatively low, it can be achieved that running to cable The temperature measurement and display of cable jacket layer in journey, and then the temperature of construction of cable layer is analyzed, there is accuracy height, reliability It is good and be conducive to maintenance the characteristics of.
Detailed description of the invention
Fig. 1 show overall schematic of the invention;
Fig. 2 show the schematic diagram of present invention measurement component.
Specific embodiment
The technical program is further elaborated below in conjunction with Figure of description.
Embodiment: being as shown in Figure 1 a kind of cable local temperature measuring device, including anchor ear 1 and measurement component, the survey Measuring component includes measurement end 2 and processing end 3, and the anchor ear 1, which is arranged, to be mounted on cable, and anchor ear 1 is provided with outside in connection anchor ear 1 Measured hole, the measurement end 2 is mounted in the measured hole, and the processing end 3 connects measurement end 2, is additionally provided on processing end 3 Waterproof cover, processing end 3 are mounted on 1 outside of anchor ear.Anchor ear 1 is common a kind of component on cable, is surveyed by being arranged on anchor ear 1 Measure component, it is possible to reduce additional installation cost simplifies later maintenance, and the mode in measured hole, which is arranged in, in measurement end 2 makes to install It is more firm, high reliablity.No matter requiring measurement component has certain waterproof ability in addition in underground or outdoor, prevent Water inlet only occur leads to short trouble, therefore waterproof cover is very necessary.
It is illustrated in figure 2 measurement component diagram, the measurement end 2 includes thermocouple 4, conducting wire 5, shell 6 and fixed spiral shell Mother 7, the shell 6 connect measured hole by the fixture nut 7, and the thermocouple 4 is mounted in shell 6, and thermocouple 4 abuts Cable, the conducting wire 5 connect thermocouple 4 and processing end 3.The present apparatus converts electric signal for temperature signal by thermocouple 4, then It is handled by processing end 3.
In the present embodiment, the processing end 3 includes sampling module 12, power supply module 8, display module 9 and communication module 10, The sampling module 12 connects measurement end 2, and the display module 9 and communication module 10 connect sampling module 12, the power supply mould Block 8 provides power supply.The analysis of sampling module 12 handles resulting signal, then transfers information to the display of display module 9, and by logical It interrogates module 10 and connects exterior terminal, realize real-time monitoring temperature.
In the present embodiment, the communication module 10 is 4G communication module 10.This communication modes technology maturation is suitble to herein Place uses.
In the present embodiment, the processing end 3 further includes solar battery 11, and the solar battery 11 connects power supply module 8, solar battery 11 and horizontal direction are in a certain angle.In some outdoor cables, adding solar battery 11 can be mentioned The cruising ability of high device.
In the present embodiment, the solar battery 11 is in equilateral triangle, share the solar battery 11 of 4 pieces of same specifications with The form of square cone is arranged.Square centrum is arranged so that having good solar energy acquisition ability in each period on daytime.
In the present embodiment, the waterproof cover is transparent watertight cover.Transparent watertight cover can be observed in the case where not removing The situation of internal component.
In the present embodiment, the anchor ear 1 is made of two half hoops, be bolted and adjust between the half hoop away from From.
In the present embodiment, anti-slip layer is equipped on the inside of the anchor ear 1, the anti-slip layer abuts cable outer surface.Anti-slip layer can To prevent anchor ear 1 from occurring sliding or overturn, guarantee the reliability of device.
In the present embodiment, the shell 6 is bullet-headed.It sets bullet-headed for the shell 6 of measurement end 2, can make It is more convenient when installation, it improves efficiency.
The present embodiment will measure component integration on anchor ear 1, install convenient and cost is relatively low, it can be achieved that running to cable The temperature measurement and display of cable jacket layer in the process, and then the temperature of construction of cable layer is analyzed, have accuracy high, reliable Property it is good and be conducive to maintenance the characteristics of.
It should be noted that the specific embodiment is only used for that technical solution is further described, it is not used in and limits the skill The range of art scheme, any modifications, equivalent substitutions and improvements etc. based on this technical solution are regarded as in protection of the invention In range.

Claims (10)

1. a kind of cable local temperature measuring device, including anchor ear and measurement component, which is characterized in that the measurement component includes Measurement end and processing end, the anchor ear, which is arranged, to be mounted on cable, and anchor ear is provided with the measured hole in outside in connection anchor ear, the survey Amount end is mounted in the measured hole, and the processing end connects measurement end, is additionally provided with waterproof cover on processing end, processing end is mounted on On the outside of anchor ear.
2. a kind of cable local temperature measuring device according to claim 1, which is characterized in that the measurement end includes heat Galvanic couple, conducting wire, shell and fixture nut, the shell connect measured hole by the fixture nut, and the installation of TC exists In shell, thermocouple abuts cable, the conducting wire connection thermocouple and processing end.
3. a kind of cable local temperature measuring device according to claim 1 or 2, which is characterized in that the processing end packet Include sampling module, power supply module, display module and communication module, the sampling module connects measurement end, the display module and Communication module connects sampling module, and the power supply module provides power supply.
4. a kind of cable local temperature measuring device according to claim 3, which is characterized in that the communication module is 4G Communication module.
5. a kind of cable local temperature measuring device according to claim 3, which is characterized in that the processing end further includes Solar battery, the solar battery connect power supply module, and solar battery is in a certain angle with horizontal direction.
6. a kind of cable local temperature measuring device according to claim 5, which is characterized in that the solar battery is in Equilateral triangle, the solar battery for sharing 4 pieces of same specifications are arranged in the form of square cone.
7. a kind of cable local temperature measuring device according to claim 1, which is characterized in that the waterproof cover is transparent Waterproof cover.
8. a kind of cable local temperature measuring device according to claim 1, which is characterized in that the anchor ear is by two and half Hoop forms, and is bolted and adjusts distance between the half hoop.
9. a kind of cable local temperature measuring device according to claim 1, which is characterized in that be equipped on the inside of the anchor ear Anti-slip layer, the anti-slip layer abut cable outer surface.
10. a kind of cable local temperature measuring device according to claim 2, which is characterized in that the shell is bullet Capitiform.
CN201811564963.9A 2018-12-20 2018-12-20 A kind of cable local temperature measuring device Pending CN109916525A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811564963.9A CN109916525A (en) 2018-12-20 2018-12-20 A kind of cable local temperature measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811564963.9A CN109916525A (en) 2018-12-20 2018-12-20 A kind of cable local temperature measuring device

Publications (1)

Publication Number Publication Date
CN109916525A true CN109916525A (en) 2019-06-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811564963.9A Pending CN109916525A (en) 2018-12-20 2018-12-20 A kind of cable local temperature measuring device

Country Status (1)

Country Link
CN (1) CN109916525A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201917403U (en) * 2010-12-30 2011-08-03 常州电子研究所有限公司 Temperature measuring clamp for cable connector
CN203572581U (en) * 2013-11-25 2014-04-30 国家电网公司 Temperature measuring device for cable terminal
CN204027732U (en) * 2014-07-22 2014-12-17 深圳市特力康科技有限公司 Transmission line wire temperature detection device
CN205195206U (en) * 2015-12-03 2016-04-27 沈阳电力勘测设计院 Single core cable fixation clamp
ES2573842A1 (en) * 2014-12-10 2016-06-10 Innomerics S.L. Non-invasive system for measuring temperature at precise points on the outer surface of a tubular component (Machine-translation by Google Translate, not legally binding)
CN208224413U (en) * 2018-05-11 2018-12-11 广州广华智电科技有限公司 A kind of cable monitoring device and cable live monitoring system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201917403U (en) * 2010-12-30 2011-08-03 常州电子研究所有限公司 Temperature measuring clamp for cable connector
CN203572581U (en) * 2013-11-25 2014-04-30 国家电网公司 Temperature measuring device for cable terminal
CN204027732U (en) * 2014-07-22 2014-12-17 深圳市特力康科技有限公司 Transmission line wire temperature detection device
ES2573842A1 (en) * 2014-12-10 2016-06-10 Innomerics S.L. Non-invasive system for measuring temperature at precise points on the outer surface of a tubular component (Machine-translation by Google Translate, not legally binding)
CN205195206U (en) * 2015-12-03 2016-04-27 沈阳电力勘测设计院 Single core cable fixation clamp
CN208224413U (en) * 2018-05-11 2018-12-11 广州广华智电科技有限公司 A kind of cable monitoring device and cable live monitoring system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
郑雷: "《500kV芝堰变电所电缆沟温度在线监测技术应用》", 《科技促进发展》 *

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Application publication date: 20190621

RJ01 Rejection of invention patent application after publication