CN108957165A - A kind of transmission line of electricity porcelain insulator thermometric experimental provision - Google Patents

A kind of transmission line of electricity porcelain insulator thermometric experimental provision Download PDF

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Publication number
CN108957165A
CN108957165A CN201810401324.4A CN201810401324A CN108957165A CN 108957165 A CN108957165 A CN 108957165A CN 201810401324 A CN201810401324 A CN 201810401324A CN 108957165 A CN108957165 A CN 108957165A
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China
Prior art keywords
temperature
controlled box
porcelain insulator
heating
porcelain
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Pending
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CN201810401324.4A
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Chinese (zh)
Inventor
王茂成
查新安
杨德慈
刘洪正
柴晶
邹洪英
孙怡
张铭刚
季善浩
李红新
刘冠军
马俊
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.)
YANTAI XINFENGYUAN ELECTRIC STATION EQUIPMENT CO Ltd
State Grid Corp of China SGCC
Shandong University
Electric Power Research Institute of State Grid Shandong Electric Power Co Ltd
Yantai Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
YANTAI XINFENGYUAN ELECTRIC STATION EQUIPMENT CO Ltd
State Grid Corp of China SGCC
Shandong University
Electric Power Research Institute of State Grid Shandong Electric Power Co Ltd
Yantai 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.)
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Application filed by YANTAI XINFENGYUAN ELECTRIC STATION EQUIPMENT CO Ltd, State Grid Corp of China SGCC, Shandong University, Electric Power Research Institute of State Grid Shandong Electric Power Co Ltd, Yantai Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical YANTAI XINFENGYUAN ELECTRIC STATION EQUIPMENT CO Ltd
Priority to CN201810401324.4A priority Critical patent/CN108957165A/en
Publication of CN108957165A publication Critical patent/CN108957165A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/003Environmental or reliability tests
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00Investigating or analyzing materials by the use of thermal means
    • G01N25/20Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Resistance Heating (AREA)

Abstract

The present invention relates to a kind of transmission line of electricity porcelain insulator thermometric experimental provisions, belong to transmission line of electricity porcelain insulator thermometric experimental provision technical field.The temperature-controlled box of porcelain insulator is installed including inside, for showing the temperature value of each device in temperature-controlled box and the heating schedule control and parameter display equipment of heat source can be provided to temperature-controlled box, the constent temperature heater for adjusting temperature control the temperature inside the box is also equipped in temperature-controlled box, the bottom of porcelain insulator is equipped with vertical round steel, the bottom of round steel, which is equipped with, shows that equipment provides the heating mechanism of heat source by heating schedule control and parameter, constent temperature heater, porcelain insulator, heating mechanism passes through thermocouple wire and temperature data is transferred to heating schedule control and parameter shows to be shown in equipment.The present invention can thoroughly solve to fall to go here and there phenomenon caused by declining due to composite insulator mechanical load, it is ensured that power grid is more safe and reliable.

Description

A kind of transmission line of electricity porcelain insulator thermometric experimental provision
Technical field
The present invention relates to a kind of transmission line of electricity porcelain insulator thermometric experimental provisions, and it is real to belong to transmission line of electricity porcelain insulator thermometric Experiment device technical field.
Background technique
Carbon fiber composite core wire is as novel conductive wire, the current-carrying capacity with 2 times of common steel-cored aluminium strand, throughout the country Examination application is had begun in transmission line of electricity transformation;It is introduced according to domestic multiple carbon fiber composite core wire manufacturer publicity, carbon The arc sag of fiber composite core wire is less than original traverse design arc sag because light-weight, fits entirely into original route increase-volume and changes It makes, this viewpoint is worth discussion;In addition, plug, silastic material will be directly affected in 90~160 °C of hot operations With the crimp strength performance of metal-ware bonding pad, it can cause to fall string accident when serious.According to investigations, in all parts of the country at present to have transported The capable line load using carbon fiber composite core wire is not up to maximum planned load, and security risk not yet embodies.Carbon Fiber composite core wire belongs to the examination application stage, and related engineering department of country still exists without putting into effect carbon fiber composite core wire at present Design discipline or design specification in terms of Transmission Line Design.
So far, domestic to have applied in the route of carbon fiber composite core wire, insulator, which mostly uses greatly, exempts from the antifouling of cleaning Composite insulator or porcelain composite insulator being dodged, and application time is shorter, the load of route conveying is not up to maximum planned load, Composite insulator or porcelain composite insulator potential risks is not yet exposed in high temperature.During route capacity-increasing transformation, it is Without departing from former bar Deethanizer design condition, it should rationally determine the safety coefficient of carbon fiber composite core wire, it is compound to will lead to carbon fiber The arc sag of core conducting wire is likely larger than original traverse design arc sag, need to verify again in this way along every place's scissors crossing point it is electrical Safe distance.
It would therefore be highly desirable to a kind of safe operation that can ensure that power grid occur, the transmission line of electricity porcelain having important practical significance is exhausted Edge thermometric experimental provision.
Summary of the invention
It is an object of the invention to solve the shortcomings of the prior art, providing one kind can thoroughly be solved due to multiple It closes and falls to go here and there phenomenon caused by the decline of insulator mechanical load, it is ensured that the more safe and reliable transmission line of electricity porcelain insulating of power grid Sub- thermometric experimental provision.
A kind of transmission line of electricity porcelain insulator thermometric experimental provision, is characterized in that and is equipped with porcelain insulator including inside 4 temperature-controlled box 1, for showing the temperature value of each device in temperature-controlled box 1 and the heating schedule control of heat source can be provided to temperature-controlled box 1 And parameter shows equipment 18, and the constent temperature heater 3 for adjusting temperature in temperature-controlled box 1, porcelain insulator are also equipped in temperature-controlled box 1 4 bottom is equipped with vertical round steel 8, and the bottom of round steel 8, which is equipped with, shows that equipment 18 provides by heating schedule control and parameter The heating mechanism of heat source, constent temperature heater 3, porcelain insulator 4, heating mechanism pass through thermocouple wire temperature data is transferred to plus Hot process control and parameter show and are shown and recorded in equipment 18;
As a preferred technical solution of the present invention, the temperature-controlled box 1 include cabinet made of metal, the one of cabinet Face is equipped with viewing window 2;
As a preferred technical solution of the present invention, the porcelain insulator 4 includes porcelain patticoat 6, the metal ball set on 6 top of porcelain patticoat Nest 5, the metal ball-head 7 for being installed on 6 bottom of porcelain patticoat;
As a preferred technical solution of the present invention, the heating schedule control and parameter show that equipment 18 includes temperature-controlled box control Instrument 19 processed, heating tape control instrument 20, the temperature-time recorder 21 with USB interface, temperature-controlled box power switch 23, power supply refer to Show lamp 22, heating power switch 24, positive and negative terminal 25, wherein temperature-controlled box control instrument 19 and heating tape control instrument 20 mutually communicate with the temperature-time recorder 21 with USB interface;
As a preferred technical solution of the present invention, the heating mechanism includes being installed on the heating tape 10 of 8 bottom of round steel, circle Steel 8 is installed on heating tape 10 by steel plate 9, and cathode power supply line 16, anode power cord 17, anode are drawn in the side of heating tape 10 Power supply line 16, anode power cord 17 are controlled with heating schedule and parameter shows that the positive and negative terminal 25 in equipment 18 is connected;
As a preferred technical solution of the present invention, the steel plate 9 and 10 surrounding of heating tape are covered with heat insulation foam 11, metal ball The entire outer surface of nest 5 is again covered with heat insulation foam 11;
As a preferred technical solution of the present invention, the metal ball-and-socket 5, porcelain patticoat 6 draw metal ball-and-socket thermocouple wire respectively 13, porcelain patticoat thermocouple wire 14, metal ball-and-socket thermocouple wire 13, the other end of porcelain patticoat thermocouple wire 14 and heating tape control instrument 20 It is connected, heating tape thermocouple wire 15, the other end and heating tape controller of heating tape thermocouple wire 15 are drawn in the lower section of steel plate 9 Table 20 is connected, and constent temperature heater 3 draws temperature-controlled box thermocouple wire 12, the other end of temperature-controlled box thermocouple wire 12 and temperature-controlled box control Instrument 19 processed is connected;
As a preferred technical solution of the present invention, offer on the temperature-controlled box 1 for across metal ball-and-socket thermocouple wire 13, the through hole of porcelain patticoat thermocouple wire 14, heating tape thermocouple wire 15, cathode power supply line 16, anode power cord 17;
As a preferred technical solution of the present invention, the length of the round steel 8 simulates the distance between porcelain patticoat and conducting wire, length It is 210-290 millimeters;
As a preferred technical solution of the present invention, constent temperature heater connection and reasonable arrangement in the temperature-controlled box should ensure that temperature control The uniformity of environment temperature in case 1, the heat that also should ensure that steel plate 9 and heating tape 10 distribute do not influence after heat insulation foam 11 To the environment temperature in temperature-controlled box 1.
The present invention can produce following good effect compared with the prior art:
1, in specification track remodelling engineering carbon-fibre wire safety coefficient value, it is ensured that 90~180 °C of high temperature of carbon-fibre wire When work over the ground with the safe distance of scissors crossing;
2, high-temp. resisting composite insulation substring assembly type when being suitable for 90~180 °C of hot operations of carbon-fibre wire is designed, It avoids that the decline of composite insulator mechanical load occurs, lead to fall string accident, it is ensured that transmission line safety operation.
A kind of transmission line of electricity porcelain insulator thermometric experimental provision of the invention, can thoroughly solve composite insulator mechanical load Decline, lead to fall string phenomenon, it is ensured that power grid is more safe and reliable, therefore, has extensive promotional value.
Detailed description of the invention
A kind of Fig. 1: structural schematic diagram of transmission line of electricity porcelain insulator thermometric experimental provision of the present invention;
Fig. 2: the structural schematic diagram of temperature-controlled box;
Fig. 3: the structural schematic diagram of porcelain patticoat;
Fig. 4: the structural schematic diagram of heating schedule control and parameter display equipment;
Fig. 5: conducting wire suspension string structural schematic diagram.
In figure: 1, temperature-controlled box;2, windowpane;3, constent temperature heater;4, porcelain insulator;5, metal ball-and-socket;6, porcelain patticoat;7, Metal ball-head;8, round steel;9, steel plate;10, heating tape;11, heat insulation foam;12, temperature-controlled box thermocouple wire;13, metal ball-and-socket thermoelectricity Amphitene;14, porcelain patticoat thermocouple wire;15, heating tape thermocouple wire;16, cathode power supply line;17, anode power cord;18, journey is heated Sequence control and parameter show equipment;19, temperature-controlled box control instrument;20, heating tape control instrument;21, when temperature with USB interface Between recorder;22, power supply indicator;23, temperature-controlled box power switch;24, power switch is heated;25, positive and negative terminal.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
The transmission line of electricity porcelain insulator thermometric experimental provision of the present embodiment, with reference to attached drawing 1-4, the transmission line of electricity porcelain of the present embodiment is exhausted Edge thermometric experimental provision mainly includes with lower component:
Temperature-controlled box 1, windowpane 2, constent temperature heater 3, porcelain insulator 4, metal ball-and-socket 5, porcelain patticoat 6, metal ball-head 7, round steel 8, steel Plate 9, heating tape 10, heat insulation foam 11, temperature-controlled box thermocouple wire 12, metal ball-and-socket thermocouple wire 13, porcelain patticoat thermocouple wire 14, heating Band thermocouple wire 15, cathode power supply line 16, anode power cord 17, heating schedule control and parameter show equipment 18, temperature-controlled box control Instrument 19 processed, heating tape control instrument 20, the temperature-time recorder 21 with USB interface, power supply indicator 22, temperature-controlled box power supply Switch 23, heating power switch 24, positive and negative terminal 25.
Install connection relationship: temperature-controlled box 1 is by side pyroceram window 2, closing metal shell and temperature control constent temperature heater 3 Composition;Porcelain insulator 4 is made of metal ball-and-socket 5, porcelain patticoat 6 and metal ball-head 7;Heating schedule control and parameter show equipment 18 by Temperature-controlled box control instrument 19, heating tape control instrument 20, temperature-time recording apparatus 21, power supply indicator 22, temperature-controlled box power supply The compositions such as switch 23, heating power switch 24, positive and negative terminal 25.Temperature-controlled box 1 is equipped with windowpane 2, convenient for observation temperature control 1 inner case of case;Constent temperature heater connection and reasonable arrangement in temperature-controlled box described in temperature-controlled box, should ensure that the environment temperature in temperature-controlled box 1 Uniformity, also should ensure that heat that steel plate 9 and heating tape 10 distribute does not interfere with the ring in temperature-controlled box 1 after heat insulation foam 11 Border temperature, distance should ensure that porcelain insulator 4 distributes the temperature and temperature control of heat formation between constent temperature heater 3 and porcelain insulator 4 Temperature in case 1 does not influence each other.
The length of round steel 8 simulates the distance between porcelain patticoat 6 and conducting wire, takes 210~290mm, as shown in Fig. 5;Metal ball First 7, round steel 8 and steel plate 9 successively firm welding up and down;Steel plate 9 is placed on heating tape 10;It is drawn just from the side of heating tape 10 Pole power supply line 16, anode power cord 17, are then pierced by the shell of temperature-controlled box 1, are coupled with heating schedule control and parameter is shown The positive and negative terminal 25 of equipment 18;Heating tape thermocouple wire 15 is drawn below the side of steel plate 9, is then pierced by temperature-controlled box 1 Shell, be coupled on the heating tape control instrument 20 that heating schedule control and parameter are shown in equipment 18;In steel plate 9 and add Tropical 10 surroundings cover one layer of heat insulation foam 11, and the heat for avoiding heating tape 10 from generating influences in the temperature and temperature-controlled box 1 of porcelain patticoat 6 Temperature;Metal ball-and-socket thermocouple wire 13 and porcelain patticoat thermocouple wire 14 are drawn respectively from metal ball-and-socket 5 and porcelain patticoat 6, are then pierced by The shell of temperature-controlled box 1 is coupled on the heating tape control instrument 20 in heating schedule control and parameter display equipment 18, then Temperature-time curve all the time is recorded by temperature-time recorder 21 again;In order to ensure porcelain insulator 4 distributes heat The temperature of formation does not influence each other with the temperature in temperature-controlled box 1, using heat insulation foam 11 that metal ball-and-socket 5 is fully wrapped around firmly.
Structure of the invention is skillfully constructed, simple and effective;Porcelain insulator heat-resistant experiment project needs to design temperature in highest Carry out experimental work under conditions of 40 °C, but this meteorological condition seldom occurs in the north;Pass through metal ball-and-socket thermocouple wire 13, porcelain Skirt thermocouple wire 14 and heating tape thermocouple wire 15 are respectively by metal ball-and-socket 5, porcelain patticoat 6, metal ball-head 7 and heating tape control instrument 20 connect, and add the facilities such as heat insulation foam 11 and temperature-controlled box 1, make heating tape 10 by opening heating power switch 24 Steel plate 9 is heated, heating tape thermocouple wire 15 measures the temperature (and 7 temperature of metal ball-head) of steel plate 9, passes through metal ball Nest thermocouple wire 13, porcelain patticoat thermocouple wire 14 measure 6 temperature of metal ball-and-socket 5 and porcelain patticoat respectively;By adjusting heating tape controller Table 20 steps up 10 temperature of heating tape (and 7 temperature of metal ball-head), then measures 6 temperature of metal ball-and-socket 5 and porcelain patticoat, thus Form the change curve of the temperature and time of metal ball-head 7, metal ball-and-socket 5 and porcelain patticoat 6;When 7 temperature of metal ball-head is successively from carbon 80 °C of the operating temperature of fiber conducting wire, 100 °C, 120 °C, 140 °C, 160 °C when rising to 180 °C, not whether 5 temperature of metal ball-and-socket More than the permission temperature of the plug of composite insulator, that is, reach object of experiment.And pass through the setting control of temperature-controlled box control instrument 19 Different environment temperature in incubator 1 carries out difference to steel plate 9 to measure porcelain insulator 4 at a temperature of different simulated environments The heating of temperature section determines the temperature change at metal ball-and-socket 5 and porcelain patticoat 6, to reach porcelain insulator 4 in different temperature rings In border, the temperature variation curve of metal ball-and-socket 5 and porcelain patticoat 6 along metal ball-head 7 at different temperature.
Transmission line of electricity porcelain insulator thermometric experimental provision of the invention has the advantages that specification track remodelling engineering The safety coefficient value of middle carbon-fibre wire, it is ensured that when 90~180 °C of hot operations of carbon-fibre wire over the ground with scissors crossing Safe distance;The high-temp. resisting composite insulation substring designed when being suitable for 90~180 °C of hot operations of carbon-fibre wire is packaging Formula avoids that the decline of composite insulator mechanical load occurs, leads to fall string accident, it is ensured that transmission line safety operation.
A kind of transmission line of electricity porcelain insulator thermometric experimental provision of the invention, can thoroughly solve composite insulator mechanical load Decline, lead to fall string phenomenon, it is ensured that power grid is more safe and reliable.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (9)

1. a kind of transmission line of electricity porcelain insulator thermometric experimental provision, it is characterised in that be equipped with porcelain insulator (4) including inside Temperature-controlled box (1), for showing the temperature value of each device in temperature-controlled box (1) and the heating schedule of heat source can be provided to temperature-controlled box (1) Control and parameter show equipment (18), and the constent temperature heater for adjusting temperature-controlled box (1) interior temperature is also equipped in temperature-controlled box 1 (3), the bottom of porcelain insulator (4) is equipped with vertical round steel (8), the bottom of round steel (8) be equipped with through heating schedule control and Parameter shows that equipment (18) provide the heating mechanism of heat source, and constent temperature heater (3), porcelain insulator (4), heating mechanism pass through heat Temperature data is transferred to heating schedule control with galvanic couple line and parameter shows and shown and recorded on equipment (18).
2. a kind of transmission line of electricity porcelain insulator thermometric experimental provision described in accordance with the claim 1, it is characterised in that the temperature control Case (1) includes cabinet made of metal, and cabinet is equipped with viewing window (2) on one side.
3. a kind of transmission line of electricity porcelain insulator thermometric experimental provision described in accordance with the claim 1, it is characterised in that the porcelain is exhausted Edge (4) includes porcelain patticoat (6), the metal ball-and-socket (5) being set at the top of porcelain patticoat (6), the metal ball-head for being installed on porcelain patticoat (6) bottom (7).
4. a kind of transmission line of electricity porcelain insulator thermometric experimental provision described in accordance with the claim 3, it is characterised in that the heating Process control and parameter show that equipment (18) include temperature-controlled box control instrument (19), heating tape control instrument (20), band USB interface Temperature-time recorder (21), temperature-controlled box power switch (23), power supply indicator (22), heating power switch (24), just Negative terminal (25), wherein when temperature-controlled box control instrument (19) and heating tape control instrument (20) are with temperature with USB interface Between recorder (21) mutually communicate.
5. a kind of transmission line of electricity porcelain insulator thermometric experimental provision according to claim 4, it is characterised in that the heating Mechanism includes being installed on the heating tape (10) of round steel (8) bottom, and round steel (8) is installed on heating tape (10) by steel plate (9), is added Draw cathode power supply line (16), anode power cord (17), cathode power supply line (16), anode power cord (17) in the side of tropical (10) Show that the positive and negative terminal (25) on equipment (18) is connected with heating schedule control and parameter.
6. a kind of transmission line of electricity porcelain insulator thermometric experimental provision according to claim 5, it is characterised in that the steel plate (9) and on heating tape (10) it is covered with heat insulation foam (11), the entire outer surface of metal ball-and-socket (5) is again covered with heat insulation foam (11).
7. a kind of transmission line of electricity porcelain insulator thermometric experimental provision according to claim 4, it is characterised in that the metal Ball-and-socket (5), porcelain patticoat (6) draw metal ball-and-socket thermocouple wire (13), porcelain patticoat thermocouple wire (14), metal ball-and-socket thermocouple wire respectively (13), the other end of porcelain patticoat thermocouple wire (14) is connected with heating tape control instrument (20), and heating is drawn in the lower section of steel plate (9) Band thermocouple wire (15), the other end of heating tape thermocouple wire (15) are connected with control instrument (20), and constent temperature heater (3) draws The other end of temperature-controlled box thermocouple wire (12) out, temperature-controlled box thermocouple wire (12) is connected with temperature-controlled box control instrument (19).
8. a kind of transmission line of electricity porcelain insulator thermometric experimental provision stated according to claim 7, it is characterised in that on the temperature-controlled box 1 It offers for across metal ball-and-socket thermocouple wire (13), porcelain patticoat thermocouple wire (14), heating tape thermocouple wire (15), anode electricity The through hole of source line (16), anode power cord (17).
9. a kind of transmission line of electricity porcelain insulator thermometric experimental provision described in accordance with the claim 1, it is characterised in that the round steel (8) length simulates the distance between porcelain patticoat and conducting wire, and length is 210-290 millimeters.
CN201810401324.4A 2018-04-28 2018-04-28 A kind of transmission line of electricity porcelain insulator thermometric experimental provision Pending CN108957165A (en)

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CN109443901A (en) * 2018-12-10 2019-03-08 国网江苏省电力有限公司电力科学研究院 A kind of glass insulator thermal shock test equipment
CN110161379A (en) * 2019-04-26 2019-08-23 云南电网有限责任公司电力科学研究院 A kind of low temperature environment cable insulation extent of damage simulated testing system
CN110161380A (en) * 2019-04-26 2019-08-23 云南电网有限责任公司电力科学研究院 A kind of ice-covering area cable insulation extent of damage simulated testing system
CN112504900A (en) * 2020-12-02 2021-03-16 国网山东省电力公司电力科学研究院 Device for simulating internal heating of composite insulator

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Publication number Priority date Publication date Assignee Title
CN109443901A (en) * 2018-12-10 2019-03-08 国网江苏省电力有限公司电力科学研究院 A kind of glass insulator thermal shock test equipment
CN110161379A (en) * 2019-04-26 2019-08-23 云南电网有限责任公司电力科学研究院 A kind of low temperature environment cable insulation extent of damage simulated testing system
CN110161380A (en) * 2019-04-26 2019-08-23 云南电网有限责任公司电力科学研究院 A kind of ice-covering area cable insulation extent of damage simulated testing system
CN112504900A (en) * 2020-12-02 2021-03-16 国网山东省电力公司电力科学研究院 Device for simulating internal heating of composite insulator

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Application publication date: 20181207