CN206756963U - Overhead power transmission conducting wire capacity characteristic monitoring platform - Google Patents

Overhead power transmission conducting wire capacity characteristic monitoring platform Download PDF

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Publication number
CN206756963U
CN206756963U CN201720489033.6U CN201720489033U CN206756963U CN 206756963 U CN206756963 U CN 206756963U CN 201720489033 U CN201720489033 U CN 201720489033U CN 206756963 U CN206756963 U CN 206756963U
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CN
China
Prior art keywords
wire
measured
power transmission
monitoring platform
capacity characteristic
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Expired - Fee Related
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CN201720489033.6U
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Chinese (zh)
Inventor
李斌
王国利
刘磊
罗勇芬
刘良帅
高超
杨芸
厉天威
李敏
唐力
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CSG Electric Power Research Institute
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Power Grid Technology Research Center of China Southern Power Grid Co Ltd
Research Institute of Southern Power Grid Co Ltd
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Priority to CN201720489033.6U priority Critical patent/CN206756963U/en
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Publication of CN206756963U publication Critical patent/CN206756963U/en
Expired - Fee Related legal-status Critical Current
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Abstract

It the utility model is related to a kind of overhead power transmission conducting wire capacity characteristic monitoring platform, including the microclimate test equipment of system main website and connection system main website;Also include some groups of test loops being erected between electric power line pole tower;Test loop includes connection the first wire to be measured of strong current generator and the second wire to be measured, is separately mounted to the first wire, the data acquisition equipment on the second wire to be measured and testing current equipment on the first wire to be measured or the second wire to be measured to be measured;Data acquisition equipment, testing current equipment are connected with system main website respectively;The first end of first wire to be measured connects the first end of the second wire to be measured by drainage thread;The output end of strong current generator passes through the second end of copper bar the first wire to be measured of connection, the second end of the second wire to be measured respectively.The utility model can monitor overhead line conductor capacity characteristic under transmission line of electricity practical operation situation, suitable for the monitoring of various overhead line capacity characteristics.

Description

Overhead power transmission conducting wire capacity characteristic monitoring platform
Technical field
High voltage installation technical field is the utility model is related to, is supervised more particularly to a kind of overhead power transmission conducting wire capacity characteristic Survey platform.
Background technology
Capacity-improving conducting wires are the extraordinary wires used on overhead transmission line, and it is to improve temperature in use grade and having In the case of having equal conductor cross sectional area, if the total of Ganlei's wire of more electric energy can be conveyed relative to traditional steel-cored aluminium strand Claim.So far, various new line kind occurs in the world, and two major classes can be divided into by summing up:One kind is increase wire Transmission capacity, the temperature of wire improves, but as the material of current-carrying part, its intensity does not reduce, and still remains and is close under normal temperature Total pull-off force, as heat-resisting aluminium alloy makees the system of wires of conductor;It is another kind of, then focus on swollen using new strengthening core line of material The small characteristic of swollen coefficient, under wire high-temperature service condition, the total mechanical property of wire is then undertaken by the core of load, even in The increase of wire current-carrying, after conductor temperature improves, the operation of wire is still safe, such as carbon fiber complex core material and invar steel core System of wires of the material as strengthening core.
Although domestic associated mechanisms have carried out substantial amounts of research to novel conductive wire, and have numerous engineer applieds, have accumulated Experience and lessons in terms of many designs, production, construction and O&M.Due to tested in actual track the difficulty of its characteristic with it is costly High, number big absolutely is carried out in laboratory now.Laboratory can intercept the twisted wire sample of certain length (by laboratory bar when being tested Part limits, generally 50m or 100m), then sample is positioned in laboratory testing system and tested.
In implementation process, inventor has found that at least there are the following problems in conventional art:Conventional testing techniques can not be very The good operation needs for meeting actual transmission line of electricity.Because and wire complicated and changeable in the erection environment of actual power transmission line is installed Situation also varies, and simply the simple wire capacity characteristic data used in laboratory go to instruct the installation of actual track to transport There is significant limitation in row, Transmission Line Design can be constructed and bring very big problem, for example, laboratory conductor length is shorter, The actual sag situation of change of working line wire can not be reflected completely.Capacity characteristic test of the conventional test methodologies to wire is deposited In obvious deficiency.
Utility model content
Based on this, it is necessary to be not applied for transmission line of electricity in actual motion for the measuring technology of traditional novel conductive wire The problem of, there is provided a kind of overhead power transmission conducting wire capacity characteristic monitoring platform.
To achieve these goals, it is flat to provide a kind of overhead power transmission conducting wire capacity characteristic monitoring for the utility model embodiment Platform, including the microclimate test equipment of system main website and connection system main website;Also include being erected between electric power line pole tower Some groups of test loops;
Test loop includes connection the first wire to be measured of strong current generator and the second wire to be measured, is separately mounted to first Wire to be measured, the data acquisition equipment on the second wire to be measured and on the first wire to be measured or the second wire to be measured Testing current equipment;Data acquisition equipment, testing current equipment are connected with system main website respectively;
The first end of first wire to be measured connects the first end of the second wire to be measured by drainage thread;Strong current generator Output end passes through the second end of copper bar the first wire to be measured of connection, the second end of the second wire to be measured respectively.
The utility model has the following advantages that and beneficial effect:
The utility model overhead power transmission conducting wire capacity characteristic monitoring platform, using the true type tower of big span (at least 200m) (i.e. Shaft tower) monitoring platform is built, actual track section can be simulated (i.e. in transmission line of electricity practical operation situation by the monitoring platform Under) and study overhead line conductor capacity characteristic;Can be with not of the same race in the multigroup test loop of test and comparison by the utility model Conducting wire sag characteristic and migration point temperature.The installation data collecting device on wire to be measured, data acquisition equipment will can be adopted Collection data are transferred to the processing of system main website;The utility model is realized a wide range of by strong current generator and testing current equipment To the accurate control of conductor temperature under the electric current of change, suitable for the monitoring of various overhead line capacity characteristics.
Brief description of the drawings
By being more particularly described for the preferred embodiment of the present utility model shown in accompanying drawing, it is of the present utility model on address Other purposes, feature and advantage will become more fully apparent.The identical reference instruction identical part in whole accompanying drawings, and Deliberately accompanying drawing is not drawn by actual size equal proportion scaling, it is preferred that emphasis is purport of the present utility model is shown.
Fig. 1 is the structural representation of the utility model overhead power transmission conducting wire capacity characteristic monitoring platform embodiment 1;
Fig. 2 is the structural representation of the utility model overhead power transmission conducting wire capacity characteristic monitoring platform embodiment 2;
Fig. 3 is the structural representation of system main website in the utility model overhead power transmission conducting wire capacity characteristic monitoring platform.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings State.Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can come in fact in many different forms It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to public affairs of the present utility model Open content more thorough and comprehensive.
It should be noted that when an element is considered as " connection " another element, it can be directly to separately One element and it is in combination be integrated, or may be simultaneously present centering elements.Term as used herein " installation ", " one End ", " other end " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include The arbitrary and all combination of one or more related Listed Items.
The utility model overhead power transmission conducting wire capacity characteristic monitoring platform embodiment 1:
In order to solve the problems, such as that the measuring technology of traditional novel conductive wire is not applied for the transmission line of electricity in actual motion, this Utility model provides a kind of overhead power transmission conducting wire capacity characteristic monitoring platform embodiment 1;Fig. 1 is the utility model overhead power transmission The structural representation of wire capacity characteristic monitoring platform embodiment 1;As shown in figure 1, system main website 120 and connection can be included The microclimate test equipment 110 of system main website 120;Also include some groups of test loops being erected between electric power line pole tower;
Test loop includes the first 1 and second wire 2 to be measured of wire to be measured of connection strong current generator, is separately mounted to First wire 1 to be measured, the data acquisition equipment 130 on the second wire 2 to be measured and treated installed in the first wire to be measured or second The testing current equipment 140 surveyed on wire;Data acquisition equipment 130, testing current equipment 140 connect with system main website 120 respectively Connect;
The first end of first wire 1 to be measured connects the first end of the second wire 2 to be measured by drainage thread;Strong current generator Output end pass through copper bar respectively and connect the second end of the first wire 1 to be measured, the second end of the second wire 2 to be measured.
It should be noted that above-mentioned first end refers to the one end of wire to be measured away from strong current generator, the second end refers to Be wire to be measured close to one end of strong current generator.
Specifically, monitoring platform of the present utility model builds actual track section using true type tower and carries out overhead transmission line sag The monitoring of the capacity characteristic such as characteristic and migration point temperature, i.e., under transmission line simulation practical operation situation, test its sag With the relation of temperature.Monitoring platform is powered, led to by capacity 1250kVA, three-phase 380V/1800A power 50Hz power supply Cross the service cable being layed in cable duct and realize power taking of the strong current generator to power supply, strong current generator it is specified Exchange output and nominal DC output are respectively 3kA, and the output end of strong current generator is connected to tested wire by 2 copper bars On.Two wires to be measured are assumed on true type tower, a set of testing current equipment is installed close to one end of true type tower in a wire For the current value in measuring loop.
The specific operation principle of the utility model is:The environment ginseng of microclimate test equipment collection transmission line of electricity actual motion Number, and ambient parameter is transferred to system main website;System main website obtains controlling strong current generator to test according to ambient parameter The current-carrying capacity reference value of loop loading current reference;In strong current generator loading current, testing current equipment gathers in real time The current data of test loop, and current data is transferred to system main website;System main website is big according to current data real time correction The current value of current feedback circuit actual loaded;System main website receives the collection number for the wire to be measured that data acquisition equipment measures in real time According to, and classification processing is carried out to gathered data, obtain the capacity characteristic data of wire to be measured;Wherein, gathered data includes to be measured Temperature data, sag data and the strain data of wire;Capacity characteristic data include temperature sag relation curve and electric current arc Hang down relation curve.
Preferably, the rated power supply of strong current generator is two-phase two wires 380V ± 5%, electric current 1800A, frequency 50Hz ± 2Hz;Specified exchange output load current 3KA, it is allowed to 1.1 times of overload capacity, AC load voltage 180V, pressure regulator scope 10%-105%, minimum resolution 2V, buck time are less than 60 seconds.Nominal DC output is load current 3KA, it is allowed to is overloaded 1.1 times, DC load voltage 180V of ability, pressure regulator scope 10%-105%, minimum resolution 2V, the buck time is less than 60 Second.As platform wire test loop≤460m, loop resistance≤0.06 Ω, 150 DEG C≤30min of wire temperature rise.
Further, the output end of current feedback circuit is 10*100mm by 2 × 30 meters specifications2Copper bar is connected to be measured On wire, copper bar section is big, and heat dissipation characteristics are good, and cost is lower than cable, and copper bar good mechanical property is easily installed and and branch road Connection.
In Fig. 1, for other two groups of test loops, strong current generator corresponding to every group of test loop is not drawn specifically Etc. equipment (i.e. " ... " in Fig. 1), those skilled in the art can connect clearly in practical operation according to the present invention Corresponding equipment, carry out the monitoring of capacity characteristic.
In order to which the technical solution of the utility model is further described, spy illustrates this practicality by taking one group of test loop as an example New specific monitoring process, Fig. 2 are that the structure of the utility model overhead power transmission conducting wire capacity characteristic monitoring platform embodiment 2 is shown It is intended to;As shown in Fig. 2 the quantity of test loop is one group.The utility model overhead power transmission conducting wire capacity characteristic monitoring platform is real Strain detection testing device 101, strain detection testing device 201, wire 1 to be measured, wire to be measured 2, sag test device can be included by applying example 2 201st, sag test device 202, temperature testing device 103, temperature testing device 203, testing current equipment 204, high current hair Raw device is connected to the copper bar 3 of wire, strong current generator 4, from supply transformer power taking to strong current generator device cable 5, Power supply 6.
Preferably, drainage thread is JL/LB1A-630/45 steel-aluminum wires, and shaft tower is DJ-300 type 35kV shaft towers.
Capacity 1250kVA (kilovolt-ampere), three-phase 380V/1800A frequencies 50Hz (hertz) power supply electricity are used in this example Source is powered to experiment porch, then passes through 2 × 3 260 meters of the cross-linking polyethylene insulated fire resistant electric power of ZA-YJV 1 × 185 Cable, realize from supply transformer power taking to strong current generator, cable laying is in the existing cable duct in place.Cable is another Side connects this strong current generator.The output end of strong current generator is connected on wire to be measured by 2 copper bars, to be measured to lead Line requires to set up onto 35kV shaft tower according to the erection of standard, and monitoring platform of the present utility model can carry out two kinds simultaneously not Research with wire capacity characteristic is compared.
Fig. 3 is the structural representation of system main website in the utility model overhead power transmission conducting wire capacity characteristic monitoring platform.Such as Shown in Fig. 3, in a specific embodiment, system main website include be sequentially connected communication server, Network Physical Separator, application Server and storage server;
The FPDP of communication server connects microclimate test equipment, data acquisition equipment, testing current equipment respectively And strong current generator.
In a specific embodiment, system main website also includes applications client, the WEB for connecting application server respectively Server and management work station.
Specifically, communication server is used for the gathered data of each test device transmission of real-time reception;And when signal passes through After long-distance transmissions, the impedance of circuit will be such that signal constantly weakens, and when causing network interruption, Network Physical Separator can pass in signal Filtered during defeated and (eliminate interference) and amplified, so as to greatly enhance the coverage of network and signal transmission distance.Should It is used to carry out classification processing to gathered data with server, obtains the capacity characteristic data of wire to be measured.
In a specific embodiment, testing current equipment includes current transformer and connects the of current transformer One data link;
First data transmission device is also connected with communication server.
In a specific embodiment, first data transmission device is radio transmission antenna.
Specifically, during the monitoring platform that the operation of actual track section can be simulated in structure, testing current equipment On the one hand the problem of output current that strong current generator can be overcome to show is not accurate enough, another aspect testing current equipment is adopted The current data of collection can be instructed during loading current, the accurate current load amount for controlling strong current generator, while After current load terminates, the theoretical value that conducting wire sag can be calculated according to current data root refers to as experiment, confirms this appearance Whether the result of flow characteristic test is accurate.Based on above scheme so that the utility model is surveyed by strong current generator and electric current Try accurate control of the equipment realization under the electric current of wide variation to conductor temperature.
Testing current equipment can be made up of (as shown in Fig. 2 it is bulbec that the left side, which is mother bulb the right) composite ball, and composite ball is all Working power is obtained from monitored circuit by way of sensing, is used to gather wire in real time equipped with current transformer in mother bulb In current data, current data is delivered to bulbec by the connecting line between mother bulb and bulbec, and bulbec passes through current signal It is loaded into after processing in WiFi signal and receives (data communication server that communication server is system main website) for communication server, Testing current equipment can in real time in measure traverse line electric current, due to being directly erected on power transmission line by the small measurement of external interference more Add accurately, iron core magnetic conductivity height is not easy the high current that saturation can be to circulate in accurate measurement wire.
Specifically, testing current equipment (composite ball) can effectively monitor the electric current to be circulated in wire, and composite ball passes through The mode of sensing obtains working power from monitored circuit, is used to gather in wire in real time equipped with current transformer in mother bulb Current data, data acquiring frequency are defaulted as 5 minutes points, frequency acquisition also can sets itself as needed, current data Bulbec is delivered to by the connecting line between mother bulb and bulbec, bulbec is loaded into after treatment by next current signal is transmitted The communication server supplied in WiFi signal in system main website receives.Composite ball obtains work using induction mode from monitored circuit Make power supply, it is non-maintaining, it is reliable.
The installation instructions of testing current equipment:Before composite ball is fixed on wire, first with wire brush or coarse sandpaper etc. Instrument, installation position is cleared up, especially built-in ground wire and conductive contact position.Testing current equipment is by two balls The composite ball of body composition, connecting line (i.e. communication cable is used for transmitting what signal used) is connected bottom interface connection with bulbec. Mother bulb is first served into wire.Mother bulb device spheroid lid is opened, upper half iron core is first extracted, sticks wire, then the upper half iron by extraction Core is installed onto relevant position, and both sides rubber ring is blocked into wire (pays attention to:Iron core must be seated, and the interior ground wire on rubber ring must It must be stuck in rubber ring, it is ensured that good with conductive contact).Cover spheroid lid, prepare by hold-doun nut (anticorona one, nut, Hold-doun nut two, spring washer one, plain washer one) and two hose clamps be arranged on rubber sleeve, fixed rubber cover screwing It is fixed.Bulbec is served wire by mother bulb after installing, and bulbec is installed on the left of mother bulb with the above method, notices that bulbec will be installed On the left of mother bulb so that the antenna of mother bulb is outwardly.By bulbec bottom connecting line and already installed mother bulb bottom after installation Portion is connected, and fixation must be tied up with transmission pressure by connecting rear connecting line.
Further, testing current equipment can use on high-tension side using the current transformer sensing of electromagnetic induction principle Electric current obtains electric energy;Or electric energy is obtained by other high voltage induction electricity getting devices, wherein, high voltage induction electricity getting device can profit Electric energy is obtained with the electromagnetic energy sensed around ultra-high-tension power transmission line, stable electricity is provided to install nigh electrical equipment Source.The power supply steady in a long-term of load equipment is can guarantee that, is suitable as on-line checking on high voltage electricity transmission conductive wire, monitoring, inspection, antitheft Deng the power supplier of electrical equipment.
In addition, testing current equipment can also realize stable confession by intelligent power controller in wider current range Electricity.
In a specific embodiment, data acquisition equipment includes strain detection testing device, sag test device and temperature Test device;
Sag test device includes the first high voltage induction electricity getting device, and the laser ranging of the first high voltage induction electricity getting device of connection passes Sensor, the second data link;Second data link connecting communication server;
Strain detection testing device includes the second high voltage induction electricity getting device, and the grating fibers of the second high voltage induction electricity getting device of connection pass Sensor, the 3rd data link;3rd data link connecting communication server;
Temperature testing device includes the 3rd high voltage induction electricity getting device, connects the RTD of the 3rd high voltage induction electricity getting device Temperature sensor, the 4th data link;4th data link connecting communication server.
In a specific embodiment, the first high voltage induction electricity getting device, the second high voltage induction electricity getting device and the 3rd high pressure It is current transformer to sense electricity getting device;Second data link, the 3rd data link and the 4th data link are nothing Line transmission antenna.
Specifically, as shown in Fig. 2 strain detection testing device 101,201, sag test device 102,202, temperature test dress Modular totally-enclosed damascene structures can be used by putting 103, current testing device 204, be easily installed, and device possesses lightning protection, prevented Rust, anti-corrosion measure, the needs of open field test can be met by adapting to ocean province weather, and the installation weight used in this example is about 2.8kg (kilogram), assembly dia are about 190mm (millimeter).Each test device can use induction mode from monitored circuit Working power is obtained, it is non-maintaining, it is reliable., can be pre- by setting in order to keep not got too close between test device If constrain the installation site of each test device apart from (being more than or equal to the diameter that 190mm is a device spheroid).
Further, compare to realize while carry out the research of two kinds of different conductor capacity characteristics.The utility model exists Wire installs strain detection testing device 101,201 close to one end of shaft tower, is used for inside device using fiber bragg grating sensor real-time The strain that two wires of monitoring occur, strain monitoring data are loaded into WiFi signal to be received for communication server.In wire Span center installation sag test device 102,202, device uses the measuring principle of tilt-angle method, is measured in real time by laser measurement Wire distance to the ground, it is ensured that enough measurement ranges and precision, the conducting wire sag data monitored are loaded into WiFi signal It is middle to be received for communication server.Temperature testing device 103,203 is installed in the opposite side close to shaft tower, device is passed from RTD Sensor meets the measurement accuracy in measurement range, and the conductor temperature data monitored are loaded into WiFi signal supplies Communications service Device receives.
Further, temperature sensor using platinum resistance temperature sensor can accurate measure traverse line real time temperature, The conductor temperature of device measures maximum virtual value and should be greater than 180 DEG C;Sag monitoring device uses the range measurement principle of tilt-angle method, passes through The real-time measure traverse line distance to the ground of laser range sensor, it ensure that device enough measurement range and precision.Strain testing fills Put, ranging essence can be carried out by laser with the length between two terminals being fixed on a section lead in real-time measurement apparatus Exactness can reach micron level, and measuring speed can reflect the strain of wire in real time soon.
Data acquisition equipment installation instructions:Strain detection testing device can effectively monitor the strain of wire in real time, in device Portion uses state-of-the art fiber bragg grating sensor, and whole device is in light weight, anti-electromagnetic interference capability is strong, anticorrosion and resistance to height Temperature, device are installed to the normal operation that circuit is not interfered with transmission line of electricity.Before monitoring device is fixed on wire, first use The instrument such as wire brush or coarse sandpaper, installation position is cleared up, and especially coil and conductive contact position is asked.Open spheroid Lid, upper half iron core is first extracted, then spheroid is fixed on below wire with mounting bracket, to facilitate the peace of strain transducer clip Dress.By the clip of wire strain transducer, clamping is installed on wire, and mounting bracket is removed again after installing clip, by device Stick wire.The upper half iron core of extraction is installed onto relevant position, allows both sides rubber ring to block wire and (pays attention to:Iron core must be inserted Tightly, the interior ground wire on rubber ring must be stuck in rubber ring, it is ensured that good with conductive contact).Spheroid lid is covered, preparing will be solid Determining nut, (anticorona one, nut, hold-doun nut two, spring washer one, one and two hose clamps of plain washer are arranged on rubber On gum cover, fixed rubber sleeve) tighten fixation.
Sag test device can effectively monitor the sag of wire, and device is by laser measurement, and real-time measure traverse line is over the ground Distance, using the measuring principle of tilt-angle method, it ensure that enough measurement range and precision.Device by current transformer directly from Power taking on wire, by intelligent power controller in comparatively wide current range stable power-supplying.Before device installation first With instruments such as wire brush or coarse sandpapers, installation position is cleared up, especially coil and conductive contact position.Open spheroid Lid, upper half iron core is first extracted, then spheroid is fixed on below wire with mounting bracket, to facilitate the installation of clip.Install card Mounting bracket is removed after hoop again, device is sticked into wire.The upper half iron core of extraction is installed onto relevant position, allows both sides rubber ring Wire is blocked (to pay attention to:Iron core must be seated, and the interior ground wire on rubber ring must be stuck in rubber ring, it is ensured that with conductive contact Well).Spheroid lid is covered, is prepared hold-doun nut (anticorona one, nut, hold-doun nut two, spring washer one, plain cushion One and two hose clamps of circle are arranged on rubber sleeve, fixed rubber sleeve) tighten fixation.Ensure to fix after device laser probe with Ground is vertical.
Temperature testing device can effectively monitor the real time temperature of wire, and device meets to survey from platinum sensor Measurement accuracy in the range of amount, to external temperature sensor and signal wire, by shielding measure and default fixed form, ensure Do not released in operation.Device obtains working power using induction mode from monitored circuit, non-maintaining, reliable.Device Data acquiring frequency is defaulted as 5 minutes points, and frequency acquisition can sets itself as needed.Device be fixed to wire on it Before, first with instruments such as wire brush or coarse sandpapers, wire installation position is cleared up, especially temperature probe and conductive contact Local and built-in ground wire and conductive contact position.Spheroid lid is opened, first extracts upper half iron core, then consolidated spheroid with mounting bracket It is scheduled on below wire, to facilitate the installation of temperature transducer clip.By the clip of wire temperature transducer, clamping is pacified on wire Install, mounting bracket is removed again after installing clip, device is sticked into wire.The upper half iron core of extraction is installed onto corresponding positions Put, allow both sides rubber ring to block wire and (pay attention to:Iron core must be seated, and the interior ground wire on rubber ring must be stuck in rubber ring, Ensure good with conductive contact).Spheroid lid is covered, is prepared hold-doun nut (anticorona one, nut, hold-doun nut two, bullet One, spring packing ring, plain washer one) and two hose clamps be arranged on rubber sleeve, fixed rubber cover screwing is fixed.
The utility model overhead power transmission conducting wire capacity characteristic monitoring platform, prison is built using the true type tower (i.e. shaft tower) of big span Platform is surveyed, actual track section (i.e. under transmission line of electricity practical operation situation) can be simulated by the monitoring platform and studied aerial Line conductor capacity characteristic;By the utility model can with conducting wire sag characteristic not of the same race in the multigroup test loop of test and comparison with And migration point temperature.The installation data collecting device on wire to be measured, gathered data can be transferred to by data acquisition equipment is The processing of system main website;It is right under the electric current of wide variation that the utility model is realized by strong current generator and testing current equipment The accurate control of conductor temperature, suitable for the monitoring of various overhead line capacity characteristics.
Each technical characteristic of above example can be combined arbitrarily, to make description succinct, not to above-described embodiment In each technical characteristic it is all possible combination be all described, as long as however, lance is not present in the combination of these technical characteristics Shield, all it is considered to be the scope of this specification record.Above example only expresses several embodiments of the present utility model, Its description is more specific and detailed, but therefore can not be interpreted as the limitation to utility model patent scope.It should be understood that It is that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some Modification and improvement, these belong to the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be with institute Attached claim is defined.

Claims (10)

1. a kind of overhead power transmission conducting wire capacity characteristic monitoring platform, it is characterised in that including system main website and the connection system The microclimate test equipment of system main website;Also include some groups of test loops being erected between electric power line pole tower;
The test loop includes connection the first wire to be measured of strong current generator and the second wire to be measured, is separately mounted to described First wire to be measured, the data acquisition equipment on second wire to be measured and installed in the described first wire to be measured or described Testing current equipment on second wire to be measured;The data acquisition equipment, the testing current equipment respectively with the system Main website connects;
The first end of first wire to be measured connects the first end of the described second wire to be measured by drainage thread;The high current The output end of generator respectively by copper bar connect the second end of the described first wire to be measured, second wire to be measured second End.
2. overhead power transmission conducting wire capacity characteristic monitoring platform according to claim 1, it is characterised in that the test loop Quantity be one group.
3. overhead power transmission conducting wire capacity characteristic monitoring platform according to claim 1 or 2, it is characterised in that the system Main website includes communication server, Network Physical Separator, application server and the storage server being sequentially connected;
The FPDP of the communication server connects the microclimate test equipment, data acquisition equipment, described respectively Testing current equipment and the strong current generator.
4. overhead power transmission conducting wire capacity characteristic monitoring platform according to claim 3, it is characterised in that the system main website Also include the applications client, WEB server and management work station for connecting the application server respectively.
5. overhead power transmission conducting wire capacity characteristic monitoring platform according to claim 3, it is characterised in that
The testing current equipment includes the first data transmission device of current transformer and the connection current transformer;
The first data transmission device is also connected with the communication server.
6. overhead power transmission conducting wire capacity characteristic monitoring platform according to claim 5, it is characterised in that first data Transmitter is radio transmission antenna.
7. overhead power transmission conducting wire capacity characteristic monitoring platform according to claim 5, it is characterised in that the data acquisition Equipment includes strain detection testing device, sag test device and temperature testing device;
The sag test device includes the first high voltage induction electricity getting device, connects the Laser Measuring of the first high voltage induction electricity getting device Away from sensor, the second data link;Second data link connects the communication server;
The strain detection testing device includes the second high voltage induction electricity getting device, connects the grating light of the second high voltage induction electricity getting device Fiber sensor, the 3rd data link;3rd data link connects the communication server;
The temperature testing device includes the 3rd high voltage induction electricity getting device, connects the platinum of the 3rd high voltage induction electricity getting device RTD, the 4th data link;4th data link connects the communication server.
8. overhead power transmission conducting wire capacity characteristic monitoring platform according to claim 7, it is characterised in that first high pressure It is current transformer to sense electricity getting device, the second high voltage induction electricity getting device and the 3rd high voltage induction electricity getting device;It is described Second data link, the 3rd data link and the 4th data link are radio transmission antenna.
9. overhead power transmission conducting wire capacity characteristic monitoring platform according to claim 3, it is characterised in that the drainage thread is JL/LB1A-630/45 steel-aluminum wires.
10. overhead power transmission conducting wire capacity characteristic monitoring platform according to claim 3, it is characterised in that the shaft tower is DJ-300 type 35kV shaft towers.
CN201720489033.6U 2017-05-03 2017-05-03 Overhead power transmission conducting wire capacity characteristic monitoring platform Expired - Fee Related CN206756963U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108599382A (en) * 2018-06-25 2018-09-28 广州开能电气实业有限公司 A kind of transmission line of electricity heat generating spot monitoring and protecting device

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CN108599382A (en) * 2018-06-25 2018-09-28 广州开能电气实业有限公司 A kind of transmission line of electricity heat generating spot monitoring and protecting device

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