CN105207160A - Resonance deicing device and deicing method for electric power facilities - Google Patents
Resonance deicing device and deicing method for electric power facilities Download PDFInfo
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- CN105207160A CN105207160A CN201510711533.5A CN201510711533A CN105207160A CN 105207160 A CN105207160 A CN 105207160A CN 201510711533 A CN201510711533 A CN 201510711533A CN 105207160 A CN105207160 A CN 105207160A
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Abstract
The invention discloses a resonance deicing device and deicing method for electric power facilities, and aims to eliminate harm of ice covering the electric power facilities according to the resonance principle. The resonance deicing device comprises three parts such as a detection module, an electric energy supply module and a deicing module. A pressure sensor and a temperature sensor, which are mounted on a detection device, are used for judging whether an ice cover exists or not; an intrinsic frequency collector is adopted to obtain the intrinsic frequency of the ice cover; a controller is used for controlling the start of a vibrating motor according to signals fed back by a detector; the vibration frequency of the vibrating motor is adjusted through a frequency converter, so as to ensure that the vibration frequency of the vibrating motor is in accordance with the intrinsic frequency of the ice cover. An ice block is enabled to send resonant vibration, so as to eliminate harm of the ice cover. Electric energy required by the whole device is provided by a photovoltaic storage battery; a rectifying component and a filtering component are used for providing pure electric energy to the device.
Description
Technical field
Apparatus of the present invention relate to a kind of deicer and de-icing method of electric power facility, are specially adapted to deicer and the method for ultra-high-tension power transmission line
Background technology
The supply of electric power that the good and fast development need of national economy is safe and reliable, and reliably supply of electric power more needs a strong electrical network as guarantee.China is vast in territory, and topography and geomorphology is complicated, and mountain and hill accounts for 43%, plateau accounts for 26%, basin accounts for 19%.Plain only accounts for 12%.Major part UHV transmission line by through filth, High aititude, icing snow, etc. the very severe complicated area of weather conditions, icing becomes the major hidden danger of threat transmission line safe operation.
2008 1
-in February, there is especially big ice damage in south China, in this ice damage, has 15 500KV transformer stations, 86 220KV transformer stations stand power failure entirely; Article 119,500KV power circuit, 343 220KV line outages; 500KV shaft tower falls tower 678 base, impaired 295 bases, and 220KV shaft tower falls tower 1432 base, impaired 586 bases.For Chenzhou, Hunan Province, the electric power system fault that ice damage causes causes the power failure of 1 month nearly, and to the economic loss that locality causes road huge, powerline ice-covering has become one of key factor affecting countries in the world electric power netting safe running.
Two classes can be divided in the world at present: thermal ice-melting method and mechanical deicing's method for the de-icing method of electric power facility; Thermal ice-melting refers to takes direct current transportation by rectifying device, utilizes joule heating effect to make conductor overheating, eliminates line ice-melting harm; Mechanical deicing's method mainly comprises use instrument and knocks icing on electric power facility and make it come off or utilize insulating cord and wire to see friction deicing.
Up to now, the solution taked for covering ice for insulator problem in transmission line in engineering is all tower of after power-off, artificial climbing being powered, and uses the manual deicing of deicing tool.The economic loss produced after power-off and deicing personnel personal safety are in operation all very serious problems
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of resonance deicer and de-icing method of electric power facility, and deicing is thorough and speed is fast, when not affecting Research Work of Power Transmission Line, can remove the icing on insulator.
The present invention is by the following technical solutions:
The present invention adopts resonance de-icing method, vibrating motor is provided with ice sheet natural frequency pick-up transducers, the signal that transducer collects filters amplifier through signal and sends central computer controller to, central computer controller changes the rotating speed of motor according to the signal setting frequency modulator recorded thus makes the vibration frequency of motor identical with the natural frequency of ice sheet, ice cube is resonated, and finally come off from insulator, eliminate icing harm
Package unit is installed on transmission tower, and consider convenience, device need install photovoltaic solar panel and storage battery additional, utilizes the electric energy that stores in storage battery to provide electric energy for device.
From physics angle, jobbie is shatter, use resonance to be the most laborsaving mode, so the vibration force of vibrating motor can be less.Simultaneously because the natural frequency of shaft tower, wire, insulator is different with the natural frequency of ice cube, when taking resonance deicing, the impact suffered by electric power facility is less, can protect electric power facility preferably.
Because transmission line needs through the no man's land such as high mountain, valley, be unfavorable for taking the mode of artificial line walking to detect covering ice for insulator.Therefore ice sheet natural frequency pick-up transducers adds pressure sensor, temperature sensor.Temperature sensor, pressure sensor, by feedback signal, judge whether icing occurs, start deicing circuit.Natural frequency collector is also with icing monitoring function.
In order to make this contrive equipment run at electric power facility substation safety, whole device needs external insulation and water-proofing treatment.
Accompanying drawing explanation
Apparatus of the present invention shown in Fig. 1 are made up of detection module, electric power supply module and deicing module three part.
Detection module comprises: ice sheet natural frequency collector 1, signal filter amplifier 2, central computer controller 3.Natural frequency collector there is natural frequency Acquisition Instrument, the natural frequency of ice cube can be recorded.Natural frequency collector 1 is also provided with pressure sensor and temperature sensor simultaneously.Can judge whether icing occurs by temperature, pressure sensor.Central computer controller exports low and high level by feedback signal, to drive the shutoff of relay.
Electric power supply module comprises: photovoltaic solar panel, storage battery, inverter 7, filter 6.In order to improve the power supply of standard frequency to FM circuit.
Deicing module comprises: the frequency modulator 5 of frequency-adjustable vibration motor 4, band relay function.In order to change the vibration frequency of vibrating motor.
Embodiment
When after generation icing phenomenon, obtained the natural frequency of actual icing by the induction installation be installed on natural frequency collector 1.Obtained icing natural frequency signal is filtered after amplifier 2 carries out filtering and amplify by signal, passes to central computer controller 3 along signal line.The ice sheet natural frequency that central computer controller 3 comes according to feedback, starts the frequency converter 5 of band relay function on the one hand, the electric energy accumulated is discharged, promote vibrating motor 4 and start working by storage battery.The frequency converter 5 of accommodation zone relay function, makes the natural frequency of vibrating motor consistent with the natural frequency of icing, with this, icing is resonated on the other hand, broken, comes off from electric power facility.
Claims (7)
1. the resonance deicer of electric power facility and de-icing method, comprises detection module, electric power supply module and deicing module three part composition; Be characterised in that: detection module can judge whether icing occurs, and icing occur after detect ice sheet natural frequency value, and control shutoff and the operating frequency of deicing motor; Electric power supply module is in order to provide standard AC electric energy to detection module and deicing motor module; Frequency-adjustable vibration motor in deicing module can shake ice sheet with different frequency.
2. electric power facility resonance deicer according to claim 1 and de-icing method, is characterized in that: detection module comprises: natural frequency collector, pressure sensor, temperature sensor, central computer controller.
3. electric power facility resonance deicer and de-icing method according to claim 1, it is characterized in that: judge whether icing occurs by pressure sensor and temperature sensor, by natural frequency collector collect monitor the natural frequency of icing, by signal line, " icing generation signal " and " icing natural frequency value " is sent to central computer controller.
4. electric power facility resonance deicer according to claim 1 and de-icing method, is characterized in that: electric power supply module comprises: photovoltaic solar panel, storage battery, inverter, filter.
5. electric power facility resonance deicer according to claim 1 and de-icing method, it is characterized in that: collect solar energy by photovoltaic solar panel and generate electricity, by electrical power storage in storage battery, the DC inverter sent by storage battery by inverter is alternating current, use the interfering frequency outside frequency needed for filter filtering, provide pure power supply to motor.
6. electric power facility resonance deicer according to claim 1 and de-icing method, is characterized in that: deicing module comprises frequency converter and the frequency-adjustable vibration motor of band relay function.
7. electric power facility resonance deicer according to claim 1 and de-icing method, it is characterized in that: the frequency converter of band relay function turns off by central computer controller and starts, after make it start due to icing, according to the natural frequency signal that central computer controller sends, carry out the frequency of regulation output electric current, thus change the vibration frequency of vibrating motor, make the vibration frequency of vibrating motor consistent with the icing natural frequency of electric power facility, thus it is broken to make icing that resonance occur, and comes off from electric power facility.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510711533.5A CN105207160A (en) | 2015-07-21 | 2015-10-28 | Resonance deicing device and deicing method for electric power facilities |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2015104294723 | 2015-07-21 | ||
| CN201510429472 | 2015-07-21 | ||
| CN201510711533.5A CN105207160A (en) | 2015-07-21 | 2015-10-28 | Resonance deicing device and deicing method for electric power facilities |
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| CN105207160A true CN105207160A (en) | 2015-12-30 |
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| CN201510711533.5A Pending CN105207160A (en) | 2015-07-21 | 2015-10-28 | Resonance deicing device and deicing method for electric power facilities |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108688824A (en) * | 2017-04-10 | 2018-10-23 | 清华大学 | Engine intake deicing system, internal combustion engine and aircraft |
| CN111141327A (en) * | 2019-12-13 | 2020-05-12 | 贵州电网有限责任公司 | Anti-icing type on-line monitoring system |
| CN111725738A (en) * | 2020-07-27 | 2020-09-29 | 国网黑龙江省电力有限公司电力科学研究院 | High-voltage line insulator electromagnetic deicing system |
| CN115587506A (en) * | 2022-12-09 | 2023-01-10 | 四川大学 | Design method of electric heating ice preventing and removing system |
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| JPH03143215A (en) * | 1989-06-14 | 1991-06-18 | Hitachi Cable Ltd | Snow removing device with hammer |
| JP2006223064A (en) * | 2005-02-10 | 2006-08-24 | Asahi Electric Works Ltd | Device for preventing snow accretion and torsion, and method for preventing snow accretion and galloping |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108688824A (en) * | 2017-04-10 | 2018-10-23 | 清华大学 | Engine intake deicing system, internal combustion engine and aircraft |
| CN111141327A (en) * | 2019-12-13 | 2020-05-12 | 贵州电网有限责任公司 | Anti-icing type on-line monitoring system |
| CN111725738A (en) * | 2020-07-27 | 2020-09-29 | 国网黑龙江省电力有限公司电力科学研究院 | High-voltage line insulator electromagnetic deicing system |
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| CN115587506A (en) * | 2022-12-09 | 2023-01-10 | 四川大学 | Design method of electric heating ice preventing and removing system |
| CN115587506B (en) * | 2022-12-09 | 2023-03-10 | 四川大学 | Design method of electric heating ice preventing and removing system |
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Application publication date: 20151230 |
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