CN2849737Y - Monitor for fair wind vibration of power transmission line of high-voltage power extraction supply - Google Patents
Monitor for fair wind vibration of power transmission line of high-voltage power extraction supply Download PDFInfo
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- CN2849737Y CN2849737Y CN 200520130572 CN200520130572U CN2849737Y CN 2849737 Y CN2849737 Y CN 2849737Y CN 200520130572 CN200520130572 CN 200520130572 CN 200520130572 U CN200520130572 U CN 200520130572U CN 2849737 Y CN2849737 Y CN 2849737Y
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- high pressure
- taken out
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Abstract
The utility model relates to a monitor for the breeze vibration of a power transmission line of high-voltage power extraction supply, which is characterized in that the utility model comprises a main body, the high-voltage power extraction structure, and the vibration measuring structure, wherein the main body has a cylindrical casing. The inside of the casing is fixedly provided with a circuit board and a charging battery electrically connected with the circuit board. The inside of the casing is fixedly provided with an antenna connected with the circuit board, and the high-voltage power extraction structure is fixedly connected with the cylindrical surface of the casing. The high-voltage power extraction structure is formed by the butt joint of two circular iron cores circled with coils, wherein the coils are connected with the circuit board. The clamping apparatus has the circular structure and is fixedly connected with the cylindrical surface of the casing through a fixing block. The base of the vibration measuring structure is fixedly connected with one side of the fixing block, and the vibration measuring structure is vertical to a plane surface provided with the clamping apparatus. The utility model reduces the volume and weight of the monitor, effectively avoids the generation of a corona discharge phenomenon on a high-voltage line, and improves the reliability of system signal transmitting.
Description
Technical field
The utility model relates to a kind of monitoring device, refers in particular to be used for the high pressure that the aeolian vibration parameter on the high voltage circuit is monitored is taken out the power transmission sequence aeolian vibration monitoring device that can power.
Background technology
At present, the UHV (ultra-high voltage) of using in the power supply network of electric system, remote, jumbo power transmission sequence, in operational process, usually be subjected to the influence of meteorological condition and external environment etc. that the aeolian vibration that circuit itself allows amplitude often takes place to surpass, so often cause the fatigue breakdown of some power transmission sequence parts, as disconnected strand of the fatigue of lead wire and earth wire, the fatigue breakdown of gold utensil, conductor spacer and shaft tower member or wearing and tearing etc., these faults are difficult to effectively prevent by traditional artificial line walking means regularly.
In order to overcome the problem that artificial line walking can not effectively prevent circuit to damage, press at present and use intelligent apparatus that the power transmission sequence state is carried out on-line monitoring to improve the circuit reliability of operation; In addition to the on-line monitoring of weather environment around the line temperature, circuit to improving the transmission capacity of lead, reduce track investment, the situation of alleviating China's power supply situation anxiety also has very big reference significance.
Because the high-tension line on-Line Monitor Device generally all is installed on the high-voltage conducting wires, reach the purpose of on-line monitoring, the signal transmission is necessary with wireless mode, and device is operated in the rugged surroundings such as high-voltage electric field, high-intensity magnetic field and high low temperature even ice and snow thunder hail, and special working environment has determined it to be faced with many technical matterss to be needed to solve:
1, be subjected to the restriction of installation environment, what the high-tension line on-Line Monitor Device at first will solve is long-term power issue, more domestic for this reason patents have adopted the method for induction energy fetching on hi-line, publication number is the electric energy device for supplying that the Chinese patent " high-tension line induction energy fetching device " of CN2704150Y has been announced a kind of power circuit high-voltage hot-line work equipment, this device adopts ring-type iron core and the coil on iron core to make the structure that is similar to the core-theaded type current transformer, method with induction energy fetching is obtained electric energy from high-tension line, has solved the powerup issue of hot line job equipment on the high-tension circuit.The opening of this device ring-type iron core must could be fixed on device on the electric wire greater than the diameter of line of electric force, line of electric force at different thicknesses uses quite inconvenient, and the high-tension electricity linear diameter that has reaches more than 40 millimeter, and the opening of big spacing has significantly reduced the energy that this device can obtain by iron core and coil;
And publication number is the Chinese patent of CN 2625909Y: the line about " high-tension line insulator contamination on-line measuring device " used on two parts iron core, the iron core holds group and power circuit is formed supply convertor, transfers the electromagnetism field energy on the high-voltage power line to electric energy and powers to on-line measuring device.This device when mounted earlier up and down two parts iron core separately and be stuck on the cable, it is fixing tight to go up lower core by fixed mount again, two iron cores can not be done as a whole installing and fixing, and have increased the complexity of work high above the ground on electric wire.
2, because on-Line Monitor Device is in the hyperbaric environment, be easy to generate the corona discharge phenomenon, effective ways that address this problem generally are the structures of whole device being done globulate, but like this certainly will be with most of parts of device, comprise supply unit, circuit board mounting arrangement etc. place in the spherical shell, cause device volume big, increased the weight of installing on the line, very be unfavorable for measurement the circuit aeolian vibration.
3, the input of the transducing signal in this external hyperbaric environment interference also is the problem that must consider, if input signal cable is long, certainly will aggravate the interference to input signal, the accuracy that influence is measured.
4, install on the line in order to reach the purpose of wireless transmission, must adopt emitting antenna outwards to transmit, conventional device is made antenna shaft-like mostly, is exposed in the air, cause like this when running into weathers such as sleet hail strong wind, the possibility that antenna is damaged can strengthen greatly.
Summary of the invention
The power transmission sequence aeolian vibration monitoring device that the purpose of this utility model is to provide a kind of high pressure to take out can power, have easy to install, volume is little, in light weight, antijamming capability strong, can self-powered wireless vibration on-Line Monitor Device.
The purpose of this utility model is achieved in that
A kind of high pressure is taken out the power transmission sequence aeolian vibration monitoring device that can power, and comprising that body, high pressure are taken out can structure, jig and vibration survey structure;
Described body has cylindrical shell, the rechargeable battery that the shell internal fixation is provided with circuit board and is electrically connected with circuit board, and the shell internal fixation is provided with the antenna that is connected with circuit board;
Described high pressure is taken out and can structure be fixedlyed connected with the damaged surface of shell, and high pressure is taken out and can structure be formed by two annular core butt joints that are wound with coil, and wherein this coil is connected in described circuit board;
Described jig is a loop configuration, fixedlys connected with the damaged surface of body housing by fixed block;
The root of described vibration survey structure is fixedlyed connected with fixed block one side, and this vibration survey structure is perpendicular to the plane at jig place.
Described vibration measurement device comprises a strain beam and places the rotating steamboat of its end, and the root of described strain beam is fixed on the fixed block, and is provided with vibration transducer near the root, and vibration transducer is electrically connected with circuit board.
Described strain beam is a beam type elastic body, adopts insulating material to be connected between elastic body and steamboat.
Described shell is a double-decker, the described shell structure that is formed in one; Or constitute by two end cap and the intermediate be located between the two end cap, wherein said two end cap engages with intermediate or is threaded; Described antenna is a pasted sheet type antenna, is encapsulated in enclosure by non-shielding material.
Two annular cores that described high pressure is taken out in the energy structure all are arranged in the nonmagnetic metal shell corresponding with its shape, and two metal shells, one side hinge connects, and opposite side connects by bolt.
Described high pressure takes out the energy structure and the fixed block top all adopts bolt or rivet or welding to be connected to one by circular arc interface and periphery.
Described jig is made of the two halves becket, and two halves becket one end is connected through the hinge, and the other end is connected by bolt, the looping structure, and first becket top of jig is adopted bolt or rivet or is welded with the fixed block bottom and fixedlys connected.
The top of first becket of described jig is provided with aperture, and temperature sensor is set; The side of two beckets is provided with a plurality of apertures.
Described fixing certainly is provided with longitudinal hole, and described temperature sensor is connected with circuit board by the lead that passes this through hole.
Described fixed block is a cylinder, be divided into two parts up and down, the root of described vibration survey structure is fixed between two parts, has sulculus between two parts, fixing vibration transducer, this fixation of sensor is connected in circuit board by the signal wire that passes the fixed block through hole.
Effect of the present utility model is significant:
1. it is external that the power unit of on-Line Monitor Device of the present utility model and mounting portion and sensing device all are positioned at basis, dwindled the volume and weight of device on the whole with respect to spherical structure;
2. shell of the present utility model adopts circle or loop configuration, can effectively prevent the generation of corona discharge phenomenon on the high-tension line;
3. employing pasted sheet type antenna of the present utility model is seal-installed on it in antenna cover, has not only dwindled the volume of monitoring device, and can prevent effectively that harsh climate from causing damage to antenna, has improved the reliability of system signal emission;
4. the utility model has temperature sensor mounted aperture on jig, the temperature sensor signal directly aperture of the fixed block by being fixed in bottom of device is introduced, this input pattern signal is convenient to temperature sensor and high-voltage power line excellent contact on the one hand, shortened the length of signal lead on the other hand greatly, alleviated of the influence of hi-line electromagnetic field on every side, and avoided the influence that input brings to signal of external environments such as wind and weather to a great extent signal.
5. jig of the present utility model is made split type structure with the fixed block that is connected jig, is convenient to select according to different line of electric force diameters the jig of different size.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a front view of the present utility model;
Fig. 3 is a side view of the present utility model;
Fig. 4 takes out the energy structure principle chart for high pressure of the present utility model;
Embodiment
The utility model is that a kind of high pressure is taken out the power transmission sequence aeolian vibration monitoring device that can power, is illustrated in figure 1 as structural representation of the present utility model; Fig. 2 is a front view of the present utility model; Fig. 3 is a side view of the present utility model; Fig. 4 takes out for high pressure of the present utility model can structure principle chart.This device comprises that body, high pressure are taken out can structure, jig and vibration survey structure, described body has cylindrical shell, the rechargeable battery that the shell internal fixation is provided with circuit board and is electrically connected with circuit board, side in the shell is fixed with the antenna that is connected with circuit board, described antenna is a pasted sheet type antenna, is encapsulated in enclosure by non-shielding material; Described high pressure is taken out and can structure be fixedlyed connected with the damaged surface of shell, and high pressure is taken out and can structure be formed by two annular core butt joints that are wound with coil, and wherein this coil is connected in described circuit board; Described jig is fixedlyed connected with the damaged surface of the shell of body by fixed block; The root of described vibration survey structure is fixedlyed connected with fixed block one side, and this vibration survey structure is perpendicular to the plane at jig place, this vibration survey structure is the terminal semi-girder elastic body that rotatable steamboat is housed, and adopt insulating material to be connected between steamboat and the elastic body, be provided with vibration transducer near the link of this semi-girder elastic body and fixed block, vibration transducer is electrically connected with circuit board.
For the circuit in the shell that can guarantee body of the present utility model avoids being interfered, described shell is a double-decker, and shell can be integrated formed structure; Or constitute by two end cap and the intermediate be located between the two end cap, wherein said two end cap engages with intermediate or is threaded.Two annular cores that described high pressure is taken out in the energy structure 14 all are arranged in the nonmagnetic metal shell corresponding with its shape, and two metal shells, one side hinge connects, and opposite side connects by bolt.
High pressure of the present utility model takes out the energy structure and the fixed block top all adopts bolt or rivet or welding to be connected to one by circular arc interface and periphery.
Jig of the present utility model is made of the two halves becket, two halves becket one end is connected through the hinge, the other end is connected by bolt, the looping structure, first becket top of jig is adopted bolt or rivet or is welded with the fixed block bottom and fixedlys connected, and the top of first becket of jig is provided with aperture, and temperature sensor is set, monitor with temperature, avoid causing the infringement of circuit by temperature anomaly to transmission line of electricity; The side of two beckets is provided with a plurality of apertures, is used to alleviate weight of the present utility model and is connected the protection rope.
In order to shorten the length of signal lead, alleviate of the influence of hi-line electromagnetic field on every side to signal, and avoid external environment to the influence that signal input brings, be provided with longitudinal hole at described fixed block, temperature sensor be connected with circuit board by the lead that passes this through hole.
In structure of the present utility model, this fixed block is a cylinder, can be divided into two parts up and down, the root of described vibration survey structure is fixed between two parts, have sulculus between two parts, be used for fixing vibration transducer, this vibration transducer is connected in circuit board by the signal wire that passes the fixed block through hole.
The principle of the utility model aeolian vibration monitoring is: with jig and high pressure take out can structure be fixed on the high-voltage power line after, high pressure is taken out the magnetic field energy around the energy structure induced electricity line of force, with the power supply conditioning plate in the form input media of alternating voltage, the power supply conditioning plate provides stable electric energy to subsequent conditioning circuit, and can charge to rechargeable battery simultaneously.When the lead aeolian vibration takes place when, steamboat on the vibration monitoring structure is subjected to the extruding of line of electric force to cause the deformation of elastic body inside on the vibration survey structure, sense the size of deformation in the elastic body by vibration transducer, and thereby the circuit of sending into this device body judges the level that can monitor out the lead aeolian vibration, realizes the monitoring to high-tension line aeolian vibration parameter;
The thermal resistance temperature sensor of installing in the aperture on this device jig becket will be crimped on the sensing power line temperature with line of electric force in addition, variation of temperature causes the change in resistance of thermal resistance, the circuit that is positioned at device body is judged by the resistance that detects thermal resistance and the size of power line temperature is realized the monitoring to the high-tension line temperature.
Below a preferred embodiment of the present utility model is described, as shown in Figure 1, the circuit board of the installing in the shell of the utility model body is used for the ac supply signal to input, temperature and vibration signal are handled, and the temperature disturbance signal after will handling is launched by antenna; High pressure is taken out energy structure induced electricity line of force alternating magnetic fields energy on every side, transfers magnetic field energy the circuit supply of electric energy to this device to; The vibration survey structure is measured the circuit board that vibration signal is given this device by the steamboat and the high-voltage power line tactility of semi-girder end, jig then is used for whole device is fixed on line of electric force, when jig is locked, the temperature sensor that is contained on its inside surface aperture closely contacts with line of electric force, and the circuit board that the temperature signal of line of electric force is sent to this device is handled.
In the present embodiment, the shell of body of the present utility model is a double-decker cylindraceous, outer casing 2 is an electrical shielding material, nexine housing 3 is a magnetic shielding material, by adopting double casing to reach the effect of electromagnetic screen, two end cap adopts arc structure, is threaded with outer field shell 2 usefulness to form the cylindric outer sealing surface of body, and this outer shape helps preventing the generation of corona discharge phenomenon.Back-up block 4 is housed in this shell, and back-up block 4 is an insulating material, and the centre is drilled with square hole, has sulculus in the both sides of square hole, plays insulation and fixing circuit board, battery.In the square hole of back-up block, be aligned in sequence with rechargeable battery and circuit board from top to bottom, this circuit board comprises power supply conditioning plate, signal regulating panel and signal controlling and transmission circuit plate, and the mode that this kind separately is arranged above and below device circuit helps the volume of reduction means inner space.Square hole bottom at back-up block is pasted with pressing plate 15, have bolt hole on the pressing plate 15, in the present embodiment, fixed block can be divided into two up and down, high pressure is taken out the shell and the fixed block 11 of energy structure, thereby 12 bolts hole that insert on the pressing plate 15 by bolt respectively link together with shell.Have sulculus between two fixed blocks up and down, the vibration survey structure is installed on wherein, the center of two fixed blocks has through hole and is used in the temperature signal line and vibration signal line introducing device body with the outside, available bolt connects between the jig 13 of fixed block and whole device, and the upper surface of jig and the lower surface of following fixed block 12 are closely sticked together.
The antenna that the utility model will be used for wireless signal transmission adopts the form of paster antenna to be installed in the shell, and with bolt near the end caps of a side, opposite side seals antenna with non-shielding material 7, neither influence effective transmission of signal, can play the effect of flashing, wind proofing again antenna.
Vibrating sensing structure 10 in the present embodiment is used to monitor the lead aeolian vibration, is a flat beam type elastic body, and its end is equipped with rotating steamboat 9, adopts insulating material 8 to be connected between steamboat 9 and elastic body.This elastomeric root is fixed on up and down between two parts of fixed block 11,12, is pasted with vibration transducer near root.
It can structure be annular core by two butt joints that high pressure in the present embodiment is taken out, and is wound in two inductive coils on the annular core and constitutes, and its structure and principle are similar to current transformer.Two annular cores all place in the nonmagnetic metal shell corresponding with shape separately, two metal shells, one side is connected through the hinge and can be spliced into loop configuration mutually, opposite side can connect by bolt, thereby two housings can rotate relatively freely opening with closed of the realization loop configuration that metal shell was spliced into around hinge pillar.When opening loop configuration, be free to regulate the size of opening by hinge, thereby the high-voltage power line in different lines footpath is passed wherein, after high-voltage power line passes loop configuration, with the loop configuration closure, then the annular core in two metal shells will be docking together and form end to end annular core, the annular core that this is end to end and around inductive coil is thereon formed electromagnetic induction device induction high-voltage power line together the alternating magnetic fields energy, the form from the head and the tail two ends of inductive coil with alternating voltage outputs to the power supply conditioning plate.
Jig in the present embodiment is connected through the hinge by the two halves becket and is spliced into loop configuration mutually, and an end of two halves becket can rotate relatively freely around hinge pillar, and the other end can be locked becket with bolt.Aperture is left at top at first becket, is used for mounting temperature sensor.Some apertures are respectively left in side at two beckets, are used to alleviate the weight of becket, are convenient to simultaneously connect the protection rope with aperture when the installation exercise of high-altitude.
When being fixed on the utility model on the line of electric force of high-altitude, at first select sizeable jig according to the diameter of line of electric force, with high pressure take out can device and jig open around hinge separately, make line of electric force pass the metal jig that high pressure is taken out energy device and annular simultaneously, closed successively then and with bolt locking high pressure take out can loop configuration, the two halves becket of jig, thus the circle that at this moment annular inner surface of jig will be is tightly lived the line of electric force outside surface and this device can be fixed on the line of electric force.
In sum, the utlity model has easy to install, volume is little, in light weight, antijamming capability strong, can self-powered characteristics, can realize in the high-tension line as disconnected strand of the fatigue of lead wire and earth wire, the on-line monitoring of these faults such as the fatigue breakdown of gold utensil, conductor spacer and shaft tower member or wearing and tearing, and reach effective prevention, guaranteed the safe operation of circuit.
Claims (10)
1, a kind of high pressure is taken out the power transmission sequence aeolian vibration monitoring device that can power, it is characterized in that, comprising that body, high pressure are taken out can structure, jig and vibration survey structure;
Described body has cylindrical shell, the rechargeable battery that the shell internal fixation is provided with circuit board and is electrically connected with circuit board, and the shell internal fixation is provided with the antenna that is connected with circuit board;
Described high pressure is taken out and can structure be fixedlyed connected with the damaged surface of shell, and high pressure is taken out and can structure be formed by two annular core butt joints that are wound with coil, and wherein this coil is connected in described circuit board;
Described jig is a loop configuration, fixedlys connected with the damaged surface of body housing by fixed block;
The root of described vibration survey structure is fixedlyed connected with fixed block one side, and this vibration survey structure is perpendicular to the plane at jig place.
2. high pressure as claimed in claim 1 is taken out the power transmission sequence aeolian vibration monitoring device that can power, it is characterized in that, described vibration measurement device comprises a strain beam and places the rotating steamboat of its end, the root of described strain beam is fixed on the fixed block, and be provided with vibration transducer near the root, vibration transducer is electrically connected with circuit board.
3. high pressure as claimed in claim 2 is taken out the power transmission sequence aeolian vibration monitoring device that can power, it is characterized in that, described strain beam is a beam type elastic body, adopts insulating material to be connected between elastic body and steamboat.
4, high pressure as claimed in claim 1 is taken out the power transmission sequence aeolian vibration monitoring device that can power, it is characterized in that, described shell is a double-decker, the described shell structure that is formed in one; Or constitute by two end cap and the intermediate be located between the two end cap, wherein said two end cap engages with intermediate or is threaded; Described antenna is a pasted sheet type antenna, is encapsulated in enclosure by non-shielding material.
5, high pressure as claimed in claim 1 is taken out the power transmission sequence aeolian vibration monitoring device that can power, it is characterized in that, two annular cores that described high pressure is taken out in the energy structure all are arranged in the nonmagnetic metal shell corresponding with its shape, two metal shells, one side hinge connects, and opposite side connects by bolt.
6, take out the power transmission sequence aeolian vibration monitoring device that to power as claim 1 or 5 described high pressure, it is characterized in that described high pressure takes out the energy structure and the fixed block top all adopts bolt or rivet or welding to be connected to one by circular arc interface and periphery.
7, high pressure as claimed in claim 1 is taken out the power transmission sequence aeolian vibration monitoring device that can power, it is characterized in that, described jig is made of the two halves becket, two halves becket one end is connected through the hinge, the other end is connected by bolt, looping structure, first becket top of jig adopt bolt or rivet or weld with the fixed block bottom fixedlys connected.
8, high pressure as claimed in claim 7 is taken out the power transmission sequence aeolian vibration monitoring device that can power, it is characterized in that the top of first becket of described jig is provided with aperture, and temperature sensor is set; The side of two beckets is provided with a plurality of apertures.
9, high pressure as claimed in claim 8 is taken out the power transmission sequence aeolian vibration monitoring device that can power, it is characterized in that described fixed block is provided with longitudinal hole, and described temperature sensor is connected with circuit board by the lead that passes this through hole.
10, high pressure as claimed in claim 9 is taken out the power transmission sequence aeolian vibration monitoring device that can power, it is characterized in that, described fixed block is a cylinder, be divided into two parts up and down, the root of described vibration survey structure is fixed between two parts, have sulculus between two parts, fixing vibration transducer, this vibration transducer is connected in circuit board by the signal wire that passes the fixed block through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520130572 CN2849737Y (en) | 2005-11-07 | 2005-11-07 | Monitor for fair wind vibration of power transmission line of high-voltage power extraction supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520130572 CN2849737Y (en) | 2005-11-07 | 2005-11-07 | Monitor for fair wind vibration of power transmission line of high-voltage power extraction supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2849737Y true CN2849737Y (en) | 2006-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520130572 Expired - Lifetime CN2849737Y (en) | 2005-11-07 | 2005-11-07 | Monitor for fair wind vibration of power transmission line of high-voltage power extraction supply |
Country Status (1)
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| CN (1) | CN2849737Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101354271B (en) * | 2008-09-08 | 2010-04-07 | 北京交通大学 | High-voltage transmission line pole tower operation safe monitor |
| CN102288281A (en) * | 2011-06-25 | 2011-12-21 | 四川大学 | On-line monitoring device and method for breeze vibration of high-tension line based on vibration generation |
| CN102944794A (en) * | 2012-11-18 | 2013-02-27 | 山东电力集团公司检修公司 | Direct current electric transmission line state detection communication system |
| CN104198034A (en) * | 2014-09-15 | 2014-12-10 | 上海电缆研究所 | Overhead transmission line breeze vibration measurement device based on angle method |
| CN105024460A (en) * | 2015-07-27 | 2015-11-04 | 东南大学 | Design method for 110 kV high-voltage line wireless power supply system used online induction energy-obtaining device |
| CN107123961A (en) * | 2017-06-14 | 2017-09-01 | 西南交通大学 | A kind of energy acquisition type high-voltage power line stockbridge damper system |
| CN108138991A (en) * | 2015-11-06 | 2018-06-08 | Esta设备制造有限两合公司 | The method that manufacture is used for the hose coupling with pressure measurement point of pressure sensor |
| CN110824309A (en) * | 2019-11-20 | 2020-02-21 | 国家电网有限公司 | Device and method for detecting fatigue degree of insulator steel foot of overhead transmission line |
-
2005
- 2005-11-07 CN CN 200520130572 patent/CN2849737Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101354271B (en) * | 2008-09-08 | 2010-04-07 | 北京交通大学 | High-voltage transmission line pole tower operation safe monitor |
| CN102288281A (en) * | 2011-06-25 | 2011-12-21 | 四川大学 | On-line monitoring device and method for breeze vibration of high-tension line based on vibration generation |
| CN102288281B (en) * | 2011-06-25 | 2012-08-22 | 四川大学 | On-line monitoring device and method for breeze vibration of high-tension line based on vibration generation |
| CN102944794A (en) * | 2012-11-18 | 2013-02-27 | 山东电力集团公司检修公司 | Direct current electric transmission line state detection communication system |
| CN104198034A (en) * | 2014-09-15 | 2014-12-10 | 上海电缆研究所 | Overhead transmission line breeze vibration measurement device based on angle method |
| CN105024460A (en) * | 2015-07-27 | 2015-11-04 | 东南大学 | Design method for 110 kV high-voltage line wireless power supply system used online induction energy-obtaining device |
| CN105024460B (en) * | 2015-07-27 | 2017-05-03 | 东南大学 | Design method for 110 kV high-voltage wireless power supply system induction energy-obtaining device |
| CN108138991A (en) * | 2015-11-06 | 2018-06-08 | Esta设备制造有限两合公司 | The method that manufacture is used for the hose coupling with pressure measurement point of pressure sensor |
| CN107123961A (en) * | 2017-06-14 | 2017-09-01 | 西南交通大学 | A kind of energy acquisition type high-voltage power line stockbridge damper system |
| CN110824309A (en) * | 2019-11-20 | 2020-02-21 | 国家电网有限公司 | Device and method for detecting fatigue degree of insulator steel foot of overhead transmission line |
| CN110824309B (en) * | 2019-11-20 | 2022-03-01 | 国家电网有限公司 | Device and method for detecting fatigue degree of insulator steel foot of overhead transmission line |
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Owner name: CHINA ELECTRIC POWER RESEARCH INSTITUTE Free format text: FORMER OWNER: GUOWANG BEIJING POWER BUILDING ACADEMY Effective date: 20090724 |
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Effective date of registration: 20090724 Address after: Beijing City, Haidian District small business Qinghe Road No. 15 Chinese Electric Power Research Institute of the Ministry of science and technology, zip code: 100192 Patentee after: China Electric Power Research Institute Address before: Beijing City, Xuanwu District Guang'an South Binhe Road 33, zip code: 100055 Patentee before: Beijing Electric Power Construction Research Institute of SGCC |
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Granted publication date: 20061220 |
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