CN203848955U - On-line temperature measurement device for monitoring connection part of ring main unit and 10kV cable head - Google Patents
On-line temperature measurement device for monitoring connection part of ring main unit and 10kV cable head Download PDFInfo
- Publication number
- CN203848955U CN203848955U CN201420286524.7U CN201420286524U CN203848955U CN 203848955 U CN203848955 U CN 203848955U CN 201420286524 U CN201420286524 U CN 201420286524U CN 203848955 U CN203848955 U CN 203848955U
- Authority
- CN
- China
- Prior art keywords
- temperature measurement
- main unit
- temperature sensor
- ring main
- hole
- 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.)
- Expired - Lifetime
Links
- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 14
- 238000012544 monitoring process Methods 0.000 title claims abstract description 9
- 238000005516 engineering process Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 239000004020 conductor Substances 0.000 claims abstract description 10
- 239000003822 epoxy resin Substances 0.000 claims abstract description 8
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Classifications
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- 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
- 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
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/53—Bases or cases for heavy duty; Bases or cases for high voltage with means for preventing corona or arcing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model provides an on-line temperature measurement device for monitoring the connection part of a ring main unit and a 10kV cable head, wherein the connection part of a cable head is provided with a wireless temperature sensor in direct contact with a metal heating body to acquire data. Meanwhile, based on the wireless transmission technology, acquired data are transmitted to an information collector arranged on the inner wall of a ring man unit. After that, the data are processed by the information collector and then are transmitted to a main control chamber based on the wireless transmission technology. According to the structure of the wireless temperature sensor, the rear part of a European plug at the connection part of a 10kV cable head is provided with a temperature measurement hole. Threads at the bottom of the temperature measurement hole, in direct contact with the European plug, are connected with the back part of a metal conductor. At the bottom of the temperature measurement hole, the wireless temperature sensor is arranged to cling to the back part of the metal conductor. Within the temperature measurement hole, the epoxy resin is filled between the wireless temperature sensor and the mouth part of the temperature measurement hole to ensure the insulativity. According to the technical scheme of the utility model, the contact type temperature measurement is conducted at the same time during the operation of the ring main unit, which cannot be realized in the prior art. Meanwhile, the accuracy and reliability of the temperature measurement are greatly improved.
Description
Technical field
The utility model belongs in electric system for monitoring ring main unit and 10 kV ring main unit cables.
Background technology
Existing in electric system, the T-shaped connector insulating sheath of 10 kV ring main unit cable is as a kind of novel cable coupling, and the situation that often has generation high temperature catching fire in the outdoor use of reality occurs.Summing up reason, is mainly because the reasons such as production technology, mounting process, product quality and amblent air temperature cause the T-shaped connector of cable to burn out electric leakage or impaired gas leakage.After having had this type of fault, the replacing that need have a power failure of whole ring main unit, the T-shaped connector of cable need be reinstalled connection, has a strong impact on stability, the reliability of power supply, has a power failure and also brings larger economic loss simultaneously.At present, the thermometric early warning for the T-shaped connector of ring main unit inner cable there is no method and correlation technique effectively accurately.This is mainly because ring main unit is totally enclosed switch cubicle, is in operation and can not opens, and current conventional infrared measurement of temperature equipment in operational inspection, cannot measure the temperature of its joint, if open thermometer hole on cable cell header board, has reduced again the degree of protection of ring main unit.Easily cause casualties.Because the T-shaped connector of cable has characteristic totally-enclosed, high temperature resistant, insulation and thermal insulation, make traditional contact temperature-measuring cannot effectively measure accurate temperature on the other hand.Its reason is because current existing method there will be the operation measures of wrong report early warning signal and strick precaution ring main unit joint hot stall not have the problem of intuitive and integrity.
Summary of the invention
The purpose of this utility model provides a kind of for monitoring the on-line measuring device of ring main unit and 10kV cable end connecting portion temperature in order to overcome deficiency that above-mentioned prior art exists and defect just.
Technical matters of the present utility model is solved by following scheme.
A kind of for monitoring the temperature measurement on-line device of ring main unit and 10kV cable end connecting portion, the utility model feature is, the direct contacting metal heater of radio temperature sensor image data is set in cable end junction, and by Radio Transmission Technology, transfer data to the information acquisition device that is arranged on ring main unit inwall, by information acquisition device, undertaken by Radio Transmission Technology, data being sent to master-control room again after the processing of data; Wherein, the structure that arranges of radio temperature sensor is: the rear portion at the European plug of 10kV cable end connecting portion offers thermometer hole, at the bottom of this thermometer hole hole, directly contact the back of the metallic conductor that is threaded of European plug, at the bottom of thermometer hole hole, be close to the back of this metallic conductor and place radio temperature sensor, in the hole in radio temperature sensor and thermometer hole aperture, be filled with epoxy resin to guarantee insulativity; In the tapered pole surface of European plug, be coated with one deck insulation insulation resin.
The utility model is provided with insulation protection cover at the rear portion of the European plug of 10kV cable end connecting portion.
Device of the present utility model also comprises insulating sleeve, tangible front plug, test point block, ground wire, European stress cone and is wound around the thick semiconduction step of 5mm.
The utility model is gathered by information acquisition device by the temperature-sensitive data of radio temperature sensor; And by Radio Transmission Technology, transfer data to master-control room by information acquisition device, then by the computer system of master-control room, temperature signal is issued to keeper with note form, if detected temperatures surpasses setting value, send early warning signal; Make fault can access timely processing.
The utility model has the advantage of: 1, realized the early warning to ring main unit fire alarm, and what adopt is direct contact type thermometric (directly contacting metal heater), has guaranteed the accuracy of device; If 2, after information acquisition higher than setting value; by historical data, contrast to guarantee the accuracy of early warning signal; 3, owing to having filled epoxide resin material, make temperature measuring equipment and temperature detector in an enclosed environment of equipotential, the breakdown discharge scenario of the equipment of having stopped, guaranteed whole ring main unit security, in the tapered pole surface of European plug, be coated with one deck insulation insulation resin and also played corresponding heat-blocking action; 4, automaticity is high, without manual maintenance; 5. overcome in the past and can not in ring main unit operation, carry out contact temperature-measuring, greatly improved accuracy and the reliability of thermometric.
Below in conjunction with drawings and Examples, further set forth the utility model content.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the manuscript that European plug adds temperature measuring equipment;
Fig. 3 is the utility model wireless transmission schematic diagram.
In figure: 1, European plug; 2, thermometer hole; 3, radio temperature sensor; 4, metallic conductor; 5, insulating sleeve; 6, tangible front plug; 7, insulation protection cover; 8, test point block; 9, ground wire; 10, European stress cone; 11, be wound around the thick semiconduction step of 5mm; 12, epoxy resin; 13, insulation insulation resin; 14, ring main unit; 15, information acquisition device.
Embodiment
See Fig. 1, Fig. 2, Fig. 3, a kind of for monitoring the temperature measurement on-line device of ring main unit and 10kV cable end connecting portion, the utility model feature is, the direct contacting metal heater image data of radio temperature sensor 3 is set in cable end junction, and by Radio Transmission Technology, transfers data to the information acquisition device 15 that is arranged on ring main unit 14 inwalls, by information acquisition device 15, undertaken by Radio Transmission Technology, data being sent to master-control room again after the processing of data; Wherein, the structure that arranges of radio temperature sensor 3 is: the rear portion at the European plug 1 of 10kV cable end connecting portion offers thermometer hole 2, at the bottom of these thermometer hole 2 holes, directly contact the back of the metallic conductor 4 that is threaded of European plug 1, at the bottom of thermometer hole 2 holes, be close to the back of this metallic conductor 4 and place radio temperature sensor 3, in the hole in radio temperature sensor 3 and thermometer hole 2 apertures, be filled with epoxy resin 12 to guarantee insulativity; In the tapered pole surface of European plug 1, be coated with one deck insulation insulation resin 13.
The utility model is provided with insulation protection cover 7 at the rear portion of the European plug of 10kV cable end connecting portion.
Device of the present utility model also comprises insulating sleeve 5, tangible front plug 6, test point block 8, ground wire 9, European stress cone 10 and is wound around the thick semiconduction step 11 of 5mm.
The utility model is gathered by information acquisition device by the temperature-sensitive data of radio temperature sensor; And by Radio Transmission Technology, transfer data to master-control room by information acquisition device, then by the computer system of master-control room, temperature signal is issued to keeper with note form, if detected temperatures surpasses setting value, send early warning signal; Make fault can access timely processing.
The one-piece construction of the present embodiment temperature measuring equipment is as Fig. 1, and conventionally, the T-shaped connector of ring main unit inner cable has three groups, and each group has a connector.The present embodiment temperature measuring equipment adopts radio temperature sensor to be arranged in the European plug perforate of each the group connector in Fig. 1.
Fig. 2 is the embodiment manuscript that European plug adds temperature measuring equipment, Fig. 2 is seen in installation site, at European plug 1, to open a diameter be that the 38mm degree of depth is the thermometer hole 2 of 35mm to position, middle below, its metallic conductor that touches plug back 4 will be made in radio temperature sensor 1 load hole, to reach the effect of contact temperature-measuring, plug 1 is filled sealing to guarantee the insulation thermal insulation (epoxide resin material 10mm can resist the withstand voltage of 10kV and puncture) of whole plug with epoxy resin 12 after adding temperature measuring equipment.
When intensification is broken down in connector inside, wireless temperature measuring device can be transferred to signal picker by real-time temperature, and then by signal picker, signal is passed to master control set, finally by system, temperature signal is issued to keeper with note form.
The electric property of the utility model product is as follows:
Claims (2)
1. one kind for monitoring the temperature measurement on-line device of ring main unit and 10kV cable end connecting portion, it is characterized in that, the direct contacting metal heater of radio temperature sensor image data is set in cable end junction, and by Radio Transmission Technology, transfer data to the information acquisition device that is arranged on ring main unit inwall, by information acquisition device, undertaken by Radio Transmission Technology, data being sent to master-control room again after the processing of data; Wherein, the structure that arranges of radio temperature sensor is: the rear portion at the European plug of 10kV cable end connecting portion offers thermometer hole, at the bottom of this thermometer hole hole, directly contact the back of the metallic conductor that is threaded of European plug, at the bottom of thermometer hole hole, be close to the back of this metallic conductor and place radio temperature sensor, in the hole in radio temperature sensor and thermometer hole aperture, be filled with epoxy resin to guarantee insulativity; In the tapered pole surface of European plug, be coated with one deck insulation insulation resin.
2. according to claim 1 a kind ofly it is characterized in that for monitoring the temperature measurement on-line device of ring main unit and 10kV cable end connecting portion, at the rear portion of the European plug of 10kV cable end connecting portion, be provided with insulation protection cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420286524.7U CN203848955U (en) | 2014-05-30 | 2014-05-30 | On-line temperature measurement device for monitoring connection part of ring main unit and 10kV cable head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420286524.7U CN203848955U (en) | 2014-05-30 | 2014-05-30 | On-line temperature measurement device for monitoring connection part of ring main unit and 10kV cable head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203848955U true CN203848955U (en) | 2014-09-24 |
Family
ID=51561958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420286524.7U Expired - Lifetime CN203848955U (en) | 2014-05-30 | 2014-05-30 | On-line temperature measurement device for monitoring connection part of ring main unit and 10kV cable head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203848955U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983377A (en) * | 2014-05-30 | 2014-08-13 | 潘晨 | On-line temperature measuring device for monitoring connecting portion between ring main unit and 10 kV cable head |
| CN105698938A (en) * | 2016-04-18 | 2016-06-22 | 国网辽宁省电力有限公司本溪供电公司 | Wireless thermodetector for cable connector in switchgear |
| EP3598596A1 (en) * | 2018-07-20 | 2020-01-22 | Schneider Electric Industries SAS | Temperature sensor for a cable head for a ring main unit |
-
2014
- 2014-05-30 CN CN201420286524.7U patent/CN203848955U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983377A (en) * | 2014-05-30 | 2014-08-13 | 潘晨 | On-line temperature measuring device for monitoring connecting portion between ring main unit and 10 kV cable head |
| CN105698938A (en) * | 2016-04-18 | 2016-06-22 | 国网辽宁省电力有限公司本溪供电公司 | Wireless thermodetector for cable connector in switchgear |
| EP3598596A1 (en) * | 2018-07-20 | 2020-01-22 | Schneider Electric Industries SAS | Temperature sensor for a cable head for a ring main unit |
| CN110739657A (en) * | 2018-07-20 | 2020-01-31 | 施耐德电器工业公司 | Cable head for ring main unit and ring main unit |
| AU2019200224B2 (en) * | 2018-07-20 | 2020-06-04 | Schneider Electric Industries Sas | A cable head for a ring main unit and a ring main unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140924 |