CN104296802A - Power transmission line icing automatic monitoring device - Google Patents
Power transmission line icing automatic monitoring device Download PDFInfo
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- CN104296802A CN104296802A CN201410365768.9A CN201410365768A CN104296802A CN 104296802 A CN104296802 A CN 104296802A CN 201410365768 A CN201410365768 A CN 201410365768A CN 104296802 A CN104296802 A CN 104296802A
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Abstract
The invention relates to the technical field of power transmission, and particularly discloses a power transmission line icing automatic monitoring device. The power transmission line icing automatic monitoring device comprises a sensor group and a microcomputer control box, wherein the sensor group comprises tension sensors, a temperature and humidity sensor and a wind speed sensor, the tension sensors are used for measuring the icing weight of a simulated wire, the temperature and humidity sensor is used for measuring the temperature and the humidity of an operating environment of a power transmission line, the wind speed sensor is used for measuring the wind speed of the operating environment of the power transmission line, the microcomputer control box comprises a transmitter group, an A/D converter, a central processing unit, a communication interface and a power supply, the transmitter group is connected with the sensor group and connected with the central processing unit through the A/D converter, and the communication interface is connected with the central processing unit. The power transmission line icing automatic monitoring device acquires the icing weight of the simulated wire and the temperature, the humidity and the wind speed of the operating environment of the power transmission line through the sensor group, calculates the icing thickness and icing development situations of the power transmission line through the central processing unit, and then sends relevant data to a monitoring center through the communication interface, thereby realizing automatic, effective and real-time monitoring for icing conditions of the power transmission line.
Description
Technical field
The present invention relates to electric power conveying technology field, particularly relate to a kind of powerline ice-covering automatic monitoring device.
Background technology
In order to ensure the security of operation of transmission line of electricity in freezing season, prevent circuit from because of icing, the accidents such as bar occurring, electric system needs the situation grasping powerline ice-covering in time.
At present, supervision method of the prior art mainly contains following two kinds: a kind of method sets up ice-melt lookout, at the analog conducting wire of ice-melt lookout erection close to wire practical operation situation, arrange operator on duty, operator on duty reports system and the artificial Timing measurement of meteorological ice regime observation system according to sentry post and reports the information such as analog conducting wire ice covering thickness and relevant weather, analog conducting wire icing average thickness regards as wire icing thickness, analog conducting wire ice covering thickness is measured by artificial vernier caliper, this metering system also exists some shortcomings part, each measurement needs to put down the skyborne analog conducting wire of erection, measure complete needs to reinstall, in the freezing season and high and steep mountains of severe cold, manual measurement labour intensity is large, operating environment is severe, especially work at night, be difficult to ensure Measurement accuracy on time, and, the wire of different size is inconsistent with ground wire ice covering thickness under identical running environment, the icing situation of different size wire accurately can not be reflected with a kind of analog conducting wire of specification, after line ice-melting, analog conducting wire needs artificial deicing, add labor workload, another kind method adopts television image to monitor, but this method cost is higher, and television camera is under refrigerated environment, and image definition is not high, can not accurately judge icing situation, and therefore its application is difficult to penetration and promotion.
Summary of the invention
(1) technical matters that will solve
The object of this invention is to provide a kind of powerline ice-covering automatic monitoring device, cannot carry out automatically the icing situation of transmission line of electricity and the problem effectively monitored to overcome in prior art.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of powerline ice-covering automatic monitoring device, comprise sensor group and microcomputer control box;
Described sensor group comprises for the pulling force sensor of measure analog wire icing weight, for measuring the Temperature Humidity Sensor of transmission line of electricity operating ambient temperature and humidity and the air velocity transducer for measuring transmission line of electricity running environment wind speed;
Described microcomputer control box comprises transmitter group, A/D converter, central processing unit, communication interface and power supply;
Described transmitter group is connected with described sensor group and passes through described A/D converter and is connected with described central processing unit;
Described central processing unit for the temperature of the icing weight of analog conducting wire that receives described sensor group and gather and transmission line of electricity running environment, humidity and wind speed, and calculates ice covering thickness and the icing development of wire according to the cylindrical shape of wire in transmission line of electricity and specification;
Described communication interface is connected with described central processing unit, sends to Surveillance center for the ice covering thickness of wire that calculated by described central processing unit and icing development.
Preferably, described pulling force sensor is two and is arranged in the middle of the hanger bar at analog conducting wire two ends respectively, and the top of described pulling force sensor is provided with protective cover.
Preferably, the described transmitter group wind speed transducer that comprises the pulling force transmitter be connected with described pulling force sensor, the humiture transducer be connected with described Temperature Humidity Sensor and be connected with described air velocity transducer.
Preferably, described power supply is accumulator, and described transmitter group also comprises the voltage transmitter be connected with described accumulator, and described voltage transmitter is for monitoring the voltage of described accumulator.
Preferably, described communication interface sends data by mobile phone dial mode, Optical Fiber Transmission mode or satellite phone mode to Surveillance center.
Preferably, described microcomputer control box also comprises storer, and described storer is connected with described central processing unit, for storing the data of collection.
Preferably, described microcomputer control box also comprises display screen, and described display screen is connected with described central processing unit, for showing the data of collection in real time.
Preferably, described microcomputer control box also comprises printer, and described printer is connected with described central processing unit, for printing the data of collection.
Preferably, described microcomputer control box also comprises operation keyboard, and described operation keyboard is connected with described central processing unit, for entering the operating instructions.
Preferably, each element of described powerline ice-covering automatic monitoring device is the technical grade electronic devices and components of low energy consumption, and the cryogenic operating temperatures of described technical grade electronic devices and components is-25 DEG C.
(3) beneficial effect
Powerline ice-covering automatic monitoring device of the present invention can in freezing season, the icing weight of analog conducting wire and the temperature of transmission line of electricity running environment is gathered by sensor group, humidity and wind speed, and ice covering thickness and the icing development of transmission line of electricity is calculated by central processing unit, then by communication interface, related data is sent to Surveillance center, whole monitoring process all can be completed separately by device, what achieve powerline ice-covering situation is automatic, effectively, real time monitoring, meet the requirement of power department to powerline ice-covering early warning and monitoring completely, also achieve sentry post unattended simultaneously, significantly reduce labour intensity in the presence of a harsh environment and security risk, this powerline ice-covering automatic monitoring device can be applicable to various transmission line of electricity, be easy to promote the use of.
Accompanying drawing explanation
Fig. 1 is the connection block diagram of the powerline ice-covering automatic monitoring device of the embodiment of the present invention;
Fig. 2 is the pulling force sensor of powerline ice-covering automatic monitoring device and the scheme of installation of analog conducting wire of the embodiment of the present invention;
Fig. 3 is the schematic diagram of the ice covering thickness of the cylindrical shape wire of the powerline ice-covering automatic monitoring device computing electric power line of the embodiment of the present invention.
In figure, 101: pulling force sensor; 102: pulling force sensor; 103: protective cover; 200: microcomputer control box; 211: humiture transducer; 212: wind speed transducer; 213: pulling force transmitter; 214: voltage transmitter; 220:A/D converter; 230: central controller; 240: communication interface; 250: power supply; 260: storer; 270: display screen; 280: printer; 290: operation keyboard; 300: analog conducting wire; 400: hanger bar.
Embodiment
Below in conjunction with drawings and Examples, embodiments of the present invention are described in further detail.Following examples for illustration of the present invention, but can not be used for limiting the scope of the invention.
As shown in Figure 1, the powerline ice-covering automatic monitor system of the present embodiment comprises: sensor group (not shown whole) and microcomputer control box 200.
Described sensor group comprises: for the pulling force sensor (pulling force sensor 101 and pulling force sensor 102) of measure analog wire icing weight, for measuring the Temperature Humidity Sensor (not shown) of transmission line of electricity operating ambient temperature and humidity and the air velocity transducer (not shown) for measuring transmission line of electricity running environment wind speed.
As shown in Figure 2, described pulling force sensor is two (i.e. pulling force sensor 101 and pulling force sensors 102) and is arranged in the middle of the hanger bar 400 at analog conducting wire 300 two ends respectively, in order to reduce weighing of wind effects simulation wire 300, hanger bar 400 requires the intensity of windproof pendulum and top is fixed, in order to prevent ice slush short circuit pulling force sensor 101 and pulling force sensor 102, the top of pulling force sensor 101 and pulling force sensor 102 is equipped with protective cover 103.The weight of its analog conducting wire 300 that is practically applicable to weigh of described pulling force sensor (comprising the weight of the icing on the weight of analog conducting wire 300 itself and analog conducting wire 300), by the calculating of the central processing unit 230 in microcomputer control box 200, thus obtain the weight of the icing on analog conducting wire 300, in addition, the weight of analog conducting wire 300 is the induction weight sum of pulling force sensor 101 and pulling force sensor 102.Pulling force sensor 101 and pulling force sensor 102 are resistance type sensor, and the pulling force transmitter 213 of resistance value in cable input microcomputer control box 200 of induction, is then transferred to central processing unit 230 through A/D converter 220.
Microcomputer control box 200 comprises: transmitter group, A/D converter 220, central processing unit 230, communication interface 240, power supply 250, storer 260, display screen 270, printer 280 and operation keyboard 290.
Described transmitter group to be connected with described sensor group by cable and to be connected with central processing unit 230 by A/D converter 220, and described transmitter group and A/D converter 220 are for changing the information of described sensor group collection and being transferred to central processing unit 230.Described transmitter group comprises: the pulling force transmitter 213 be connected with pulling force sensor 101 and pulling force sensor 102, the humiture transducer 211 be connected with described Temperature Humidity Sensor, the wind speed transducer 212 be connected with described air velocity transducer and the voltage transmitter 214 be connected with power supply 250.
Power supply 250 is for powering for whole device, power supply 250 can be accumulator, voltage transmitter 214 is connected with described accumulator, voltage transmitter 214 is for monitoring the voltage of described accumulator, when the voltage drop of described accumulator is to before affecting device work, reported to the police by device, remind related personnel to change accumulator in time.
Storer 260 is connected with central processing unit 230, for storing the data of collection, display screen 270 is connected with central processing unit 230, for showing the data of collection in real time, printer 280 is connected with central processing unit 230, and for printing the data of collection, operation keyboard 290 is connected with central processing unit 230, for entering the operating instructions, checking and the operation such as printing with the typing of the conversion of finishing device duty, primary data and data.
Central processing unit 230 is for the temperature of the icing weight of analog conducting wire that receives described sensor group and gather and transmission line of electricity running environment, humidity and wind speed, and the ice covering thickness of different size wire is calculated according to the cylindrical shape of wire in transmission line of electricity and specification, and the development calculating icing in certain hour section is (as icing speed of development, the increase number of ice covering thickness in unit interval), can be completed the preservation of data gathered and calculate, display, printing, warning by central processing unit 230, and by communication interface 240 teletransmission to Surveillance center.
Communication interface 240 is connected with central processing unit 230, sends to Surveillance center for the ice covering thickness of wire that calculated by central processing unit 230 and icing development.Communication interface 240 can send data by communication modes such as mobile phone dial mode, Optical Fiber Transmission mode or satellite phone modes to Surveillance center, wherein, mobile phone dial mode is used for mobile telephone signal covering area, Optical Fiber Transmission mode utilizes electric system to communicate with the optical cable of electric transmission line erection, satellite phone mode can be used for transmission line of electricity without optical cable simultaneously without the place of mobile telephone signal, and concrete which kind of communication mode of selecting should be selected according to actual conditions or determine.
The course of work of the powerline ice-covering automatic monitoring device of the present embodiment is:
(1) primary data typing, after start, button selects operational factor to arrange, and section radius, the analog conducting wire length of input different size wire and ground wire, preservation is exited.
(2) to weigh weight before analog conducting wire icing, and preserve.
(3) running status is transferred to, the weight after Real-time Collection analog conducting wire icing and local temperature, humidity, wind direction, wind speed, simultaneously by harvester supply voltage, monitoring arrangement power work state.
The related algorithm about ice covering thickness in the central processing unit of the powerline ice-covering automatic monitoring device of the present embodiment is:
(1) icing weight W is calculated
W＝W2-W1
W2: weight after icing
W1: icing front simulation wire is conducted oneself with dignity
(2) ice covering thickness D is calculated
W: icing weight
ρ: ice concentration, gets 0.9g/cm
3
H: cylinder height, i.e. analog conducting wire length
R
i: cylinder inner diameter and analog conducting wire section radius
The present invention is after bookstore's line ice-melting, when starting new powerline ice-covering supervision, because not considering the impact of wire size on icing, therefore do not need analog conducting wire deicing, device only need preserve analog conducting wire completes ice-melt moment icing weight at transmission line of electricity, by calculating the weight monitoring that period analog conducting wire icing increases.
Although analog conducting wire icing and actual wire icing situation make a difference on factors such as the impacts of icing speed due to conductor overheating, wind speed, wire diameter size, but this method can realize the Real-Time Monitoring to transmission line of electricity easily, meets the requirement of power department powerline ice-covering early warning, monitoring completely.
Powerline ice-covering automatic monitoring device of the present invention can in freezing season, the icing weight of analog conducting wire and the temperature of transmission line of electricity running environment is gathered by sensor group, humidity and wind speed, and ice covering thickness and the icing development of transmission line of electricity is calculated by central processing unit, then by communication interface, related data is sent to Surveillance center, whole monitoring process all can be completed separately by device, what achieve powerline ice-covering situation is automatic, effectively, real time monitoring, meet the requirement of power department to powerline ice-covering early warning and monitoring completely, also achieve sentry post unattended simultaneously, significantly reduce labour intensity in the presence of a harsh environment and security risk, this powerline ice-covering automatic monitoring device can be applicable to various transmission line of electricity, be easy to promote the use of.
Embodiments of the invention provide in order to example with for the purpose of describing, and are not exhaustively or limit the invention to disclosed form.Many modifications and variations are apparent for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
Claims (10)
1. a powerline ice-covering automatic monitoring device, is characterized in that, comprises sensor group and microcomputer control box;
Described sensor group comprises for the pulling force sensor of measure analog wire icing weight, for measuring the Temperature Humidity Sensor of transmission line of electricity operating ambient temperature and humidity and the air velocity transducer for measuring transmission line of electricity running environment wind speed;
Described microcomputer control box comprises transmitter group, A/D converter, central processing unit, communication interface and power supply;
Described transmitter group is connected with described sensor group and passes through described A/D converter and is connected with described central processing unit;
Described central processing unit for the temperature of the icing weight of analog conducting wire that receives described sensor group and gather and transmission line of electricity running environment, humidity and wind speed, and calculates ice covering thickness and the icing development of wire according to the cylindrical shape of wire in transmission line of electricity and specification;
Described communication interface is connected with described central processing unit, sends to Surveillance center for the ice covering thickness of wire that calculated by described central processing unit and icing development.
2. powerline ice-covering automatic monitoring device according to claim 1, is characterized in that, described pulling force sensor is two and is arranged in the middle of the hanger bar at analog conducting wire two ends respectively, and the top of described pulling force sensor is provided with protective cover.
3. powerline ice-covering automatic monitoring device according to claim 1, it is characterized in that, the wind speed transducer that described transmitter group comprises the pulling force transmitter be connected with described pulling force sensor, the humiture transducer be connected with described Temperature Humidity Sensor and is connected with described air velocity transducer.
4. powerline ice-covering automatic monitoring device according to claim 3, it is characterized in that, described power supply is accumulator, and described transmitter group also comprises the voltage transmitter be connected with described accumulator, and described voltage transmitter is for monitoring the voltage of described accumulator.
5. powerline ice-covering automatic monitoring device according to claim 1, is characterized in that, described communication interface sends data by mobile phone dial mode, Optical Fiber Transmission mode or satellite phone mode to Surveillance center.
6. powerline ice-covering automatic monitoring device according to claim 1, is characterized in that, described microcomputer control box also comprises storer, and described storer is connected with described central processing unit, for storing the data of collection.
7. powerline ice-covering automatic monitoring device according to claim 1, is characterized in that, described microcomputer control box also comprises display screen, and described display screen is connected with described central processing unit, for showing the data of collection in real time.
8. powerline ice-covering automatic monitoring device according to claim 1, is characterized in that, described microcomputer control box also comprises printer, and described printer is connected with described central processing unit, for printing the data of collection.
9. powerline ice-covering automatic monitoring device according to claim 1, is characterized in that, described microcomputer control box also comprises operation keyboard, and described operation keyboard is connected with described central processing unit, for entering the operating instructions.
10. according to the powerline ice-covering automatic monitoring device in claim 1-9 described in any one, it is characterized in that, each element of described powerline ice-covering automatic monitoring device is the technical grade electronic devices and components of low energy consumption, and the cryogenic operating temperatures of described technical grade electronic devices and components is-25 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410365768.9A CN104296802A (en) | 2014-07-29 | 2014-07-29 | Power transmission line icing automatic monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410365768.9A CN104296802A (en) | 2014-07-29 | 2014-07-29 | Power transmission line icing automatic monitoring device |
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| CN104296802A true CN104296802A (en) | 2015-01-21 |
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| CN201410365768.9A Pending CN104296802A (en) | 2014-07-29 | 2014-07-29 | Power transmission line icing automatic monitoring device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105571642A (en) * | 2016-01-06 | 2016-05-11 | 华南理工大学 | Icing high precision monitoring method for electric power system power transmission line |
| CN106768084A (en) * | 2017-03-10 | 2017-05-31 | 国网山东省电力公司龙口市供电公司 | A kind of icing on-Line Monitor Device |
| CN110160448A (en) * | 2019-06-12 | 2019-08-23 | 安徽久壬电气科技有限公司 | A kind of transmission line of electricity analog conducting wire icing on-line monitoring system |
| CN110764556A (en) * | 2019-09-30 | 2020-02-07 | 国网安徽省电力有限公司 | Transmission line icing monitoring devices based on simulation wire |
| CN111998814A (en) * | 2020-08-26 | 2020-11-27 | 贵州电网有限责任公司 | Method for obtaining icing thickness of power transmission line and overhead power transmission line and calculating instrument |
| CN114067539A (en) * | 2021-11-05 | 2022-02-18 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Power equipment monitoring system and wire monitoring device thereof |
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| CN114067539A (en) * | 2021-11-05 | 2022-02-18 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Power equipment monitoring system and wire monitoring device thereof |
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Application publication date: 20150121 |