CN207007216U - A kind of icing fault monitoring device of transmission line of electricity - Google Patents
A kind of icing fault monitoring device of transmission line of electricity Download PDFInfo
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- CN207007216U CN207007216U CN201720743868.XU CN201720743868U CN207007216U CN 207007216 U CN207007216 U CN 207007216U CN 201720743868 U CN201720743868 U CN 201720743868U CN 207007216 U CN207007216 U CN 207007216U
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Abstract
The utility model provides a kind of icing fault monitoring device of transmission line of electricity, including temperature sensor, air velocity transducer, ice-covering thickness sensor, A/D converter, AT89C51 single-chip microcomputers, electrical level transferring chip MAX232, comparator, control module, the first signal amplifier；Described temperature sensor, air velocity transducer connect with ice-covering thickness sensor respectively at A/D converter, described A/D converter connects AT89C51 single-chip microcomputers, described single-chip microcomputer connects comparator input in the same direction, and described comparator output terminal connects the first signal amplifier output icing margin of safety quantitative model signal；The utility model can corrector icing failure error, from major network obtain transmission line of electricity meteorology, then Production Managementsystem For Electricpower Network obtain line facility information, obtain transmission line of electricity bear to provide early warning during the difference of real-time stress and design stress.
Description
Technical field
The utility model belongs to electrical equipment technical field, is filled more particularly to a kind of icing malfunction monitoring of transmission line of electricity
Put.
Background technology
Extreme external environment is to cause one of major reason of transmission line malfunction in power network at present.Icing in external environment condition
It is the serious natural calamity for influenceing China's power network safety operation, easily causes a wide range of transmission line of electricity trip accident.Circuit
Icing causes the stress variation of circuit, when circuit stress has exceeded the range of stress, it will that causes large area falls bar, the tower, disconnected of falling
The accidents such as line, tripping operation.But the stress exporting change of icing circuit is with ambient parameter, such as temperature, wind speed, ice covering thickness factor
Change and produce larger fluctuation, and then make icing failure occur, cause transmission reliability to reduce.Power network production management simultaneously
System includes the basic equipment information of power transmission and transforming equipment, such as transformer information, transmission line information, breaker information, isolation
Switching information etc..Wherein, transmission line of electricity includes line name, the unit mass of circuit, line diameters, circuit section product, shaft tower
The information such as span length, coefficient of elasticity, temperature coefficient of elongation, circuit design stress.Monitoring system can obtain from major network in power network
The meteorology of transmission line of electricity is taken, reflects equipment running status.But in practical operating experiences, powerline ice-covering malfunction monitoring system
System using ice covering thickness as index judges that icing failure has error, and bears when the mark of line ice coating failure is line ice coating
Real-time stress exceedes circuit design stress.Therefore in order to corrector icing failure error reflection icing failure essential reason,
Need to propose the real-time stress of line ice coating and monitoring line ice coating failure of the design stress difference as criterion, when judgement is tied
Fruit is different, takes icing security domain quantitative model signal output or electric bell work alarm measure respectively.
Utility model content
The utility model provide it is a kind of can according to residing for transmission line of electricity Meteorology Factor Change carry out automatic tracking, monitoring
Powerline ice-covering failure and the fault monitoring device for sending early warning.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：
A kind of icing fault monitoring device of transmission line of electricity, it is characterised in that：Including temperature sensor, air velocity transducer,
Ice-covering thickness sensor, A/D converter, AT89C51 single-chip microcomputers, comparator, control module, the first signal amplifier；Described
Temperature sensor, air velocity transducer and ice-covering thickness sensor connect respectively at A/D converter, and described A/D converter connects
AT89C51 single-chip microcomputers, described single-chip microcomputer connect comparator input in the same direction, and described comparator output terminal connects the amplification of the first signal
Device exports icing margin of safety quantitative model signal.
In a kind of icing fault monitoring device of above-mentioned transmission line of electricity, in addition to electrical level transferring chip MAX232；It is described
Electrical level transferring chip MAX232 one end be connected with Production Managementsystem For Electricpower Network computer, the other end respectively with AT89C51 monolithics
Machine connects with comparator reverse input end.
In a kind of icing fault monitoring device of above-mentioned transmission line of electricity, in addition to secondary signal amplifier and electric bell；Institute
The control module stated is connected with secondary signal amplifier and electric bell successively.
In a kind of icing fault monitoring device of above-mentioned transmission line of electricity, ice-covering thickness sensor is AD7747 using model
Capacitance digital sensor.
In a kind of icing fault monitoring device of above-mentioned transmission line of electricity, the first signal amplifier and secondary signal amplification are stated
Device structure is identical, using LM380 power amplifiers.
The beneficial effects of the utility model are as follows：A kind of icing fault monitoring device of transmission line of electricity, being capable of corrector
Icing failure error, the meteorology of transmission line of electricity is obtained from major network, then Production Managementsystem For Electricpower Network obtains line facility letter
Breath, obtain transmission line of electricity bear to provide early warning during the difference of real-time stress and design stress, and can according to icing environmental change,
Automatic monitoring powerline ice-covering failure situation and outlet line icing margin of safety quantitative model signal.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Understand for the ease of those of ordinary skill in the art and implement the present invention, below in conjunction with the accompanying drawings and embodiment is to this reality
It is described in further detail with new, it will be appreciated that implementation example described herein is merely to illustrate and explained this practicality
It is new, it is not used to limit the utility model.
Such as Fig. 1, a kind of icing fault monitoring device of transmission line of electricity, including temperature sensor, air velocity transducer, icing are thick
Spend sensor, A/D converter, AT89C51 single-chip microcomputers, comparator, control module, the first signal amplifier；Described temperature passes
Sensor, air velocity transducer and AD7747 capacitance digital ice-covering thickness sensors connect respectively at A/D converter, described A/D
Converter connects AT89C51 single-chip microcomputers, and described single-chip microcomputer connects comparator input in the same direction, and described comparator output terminal connects first
Signal amplifier exports icing margin of safety quantitative model signal.
The utility model also includes electrical level transferring chip MAX232；Described electrical level transferring chip MAX232 one end and power network
Production management system computer is connected, and the other end is connected with AT89C51 single-chip microcomputers and comparator reverse input end respectively.
The utility model also includes secondary signal LM380 power amplifiers and electric bell；Described control module is successively
It is connected with secondary signal LM380 power amplifiers and electric bell.
During operation, temperature sensor, air velocity transducer, AD7747 capacitance digitals ice-covering thickness sensor, output signal
Data signal is input in AT89C51 single-chip microcomputers after A/D converter, by the reality of icing circuit in AT89C51 single-chip microcomputers
When Stress calculation program calculating processing after the real-time stress value of the transmission line of electricity currently calculated is exported, with Production Managementsystem For Electricpower Network
In circuit design stress value input comparator together, output signal is input in control module and carries out differentiation control process,
To differentiate result as outputting standard.When differentiating that result is much smaller than zero, by the real-time stress value of line ice coating and design stress value
Difference signal inputs the first signal amplifier, with quantitative model signal output icing margin of safety after the first signal amplifier
Value, reflect line ice coating degree.When differentiating that result is much larger than zero, by the real-time stress value of line ice coating and the difference of design stress value
Value signal inputs secondary signal amplifier, and the signal of amplification makes connected electric bell work, sends early warning, instructs patrol officer to line
Road icing failure is handled.
Production Managementsystem For Electricpower Network computer is connected with electrical level transferring chip MAX232, by Production Managementsystem For Electricpower Network center line
The data such as the unit mass on road, line diameters, circuit section product, shaft tower span length, coefficient of elasticity, temperature coefficient of elongation are passed through
Electrical level transferring chip MAX232, which is input in AT89C51 single-chip microcomputers, carries out the real-time Stress calculation processing of icing circuit；Power network is given birth to
The design stress of circuit connects reverse input end into comparator by electrical level transferring chip MAX232 in production management system, with
Real-time stress after AT89C51 single-chip microcomputers calculating processing is compared.Comparative result signal input control module is judged to export,
So as to judge quantitative model signal output or electric bell work.
The utility model needs the hardware and its attachment structure of foregoing description to be protected, the processing side for being related to signal
Method and process, be in order to explain the operation principle of hardware configuration of the present utility model, be not belonging to the scope of protection of the utility model,
After hardware connection structure of the present utility model, the process of signal transacting can be achieved by the prior art.
It should be appreciated that the part that this explanation does not elaborate belongs to prior art.
It should be appreciated that the above-mentioned description for preferred embodiment is more detailed, therefore can not be considered to this
The limitation of utility model protection scope, one of ordinary skill in the art are not departing from this reality under enlightenment of the present utility model
In the case of new scope of the claimed protection, replacement or deformation can also be made, each falls within protection of the present utility model
Within the scope of, the scope of the present utility model that is claimed is determined by the appended claims.
Claims (5)
- A kind of 1. icing fault monitoring device of transmission line of electricity, it is characterised in that：Including temperature sensor, air velocity transducer, cover Ice thickness sensor, A/D converter, AT89C51 single-chip microcomputers, comparator, control module, the first signal amplifier；Described temperature Degree sensor, air velocity transducer connect with ice-covering thickness sensor respectively at A/D converter, and described A/D converter connects AT89C51 single-chip microcomputers, described single-chip microcomputer connect comparator input in the same direction, and described comparator output terminal connects the amplification of the first signal Device exports icing margin of safety quantitative model signal.
- A kind of 2. icing fault monitoring device of transmission line of electricity according to claim 1, it is characterised in that：Also include level Conversion chip MAX232；Described electrical level transferring chip MAX232 one end is connected with Production Managementsystem For Electricpower Network computer, another End is connected with AT89C51 single-chip microcomputers and comparator reverse input end respectively.
- A kind of 3. icing fault monitoring device of transmission line of electricity according to claim 1, it is characterised in that：Also include second Signal amplifier and electric bell；Described control module is connected with secondary signal amplifier and electric bell successively.
- A kind of 4. icing fault monitoring device of transmission line of electricity according to claim 1, it is characterised in that：Ice covering thickness passes Sensor is AD7747 capacitance digital sensors using model.
- A kind of 5. icing fault monitoring device of transmission line of electricity according to claim 1, it is characterised in that：First letter Number amplifier is identical with secondary signal amplifier architecture, using LM380 power amplifiers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720743868.XU CN207007216U (en) | 2017-06-23 | 2017-06-23 | A kind of icing fault monitoring device of transmission line of electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720743868.XU CN207007216U (en) | 2017-06-23 | 2017-06-23 | A kind of icing fault monitoring device of transmission line of electricity |
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| Publication Number | Publication Date |
|---|---|
| CN207007216U true CN207007216U (en) | 2018-02-13 |
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| CN201720743868.XU Active CN207007216U (en) | 2017-06-23 | 2017-06-23 | A kind of icing fault monitoring device of transmission line of electricity |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883948A (en) * | 2019-03-12 | 2019-06-14 | 东北农业大学 | Material surface and sleet layer adhesion strength torsional shear force measuring device |
| CN111596374A (en) * | 2019-08-30 | 2020-08-28 | 北京赛亿科技有限公司 | Mounting mode of outdoor icing detection sensor |
| CN113092940A (en) * | 2021-04-08 | 2021-07-09 | 云南电网有限责任公司电力科学研究院 | Fault detection method of power transmission line icing monitoring device |
| CN116052371A (en) * | 2023-01-03 | 2023-05-02 | 广州市市政工程试验检测有限公司 | Inhaul cable ice falling risk monitoring and early warning method and system |
-
2017
- 2017-06-23 CN CN201720743868.XU patent/CN207007216U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883948A (en) * | 2019-03-12 | 2019-06-14 | 东北农业大学 | Material surface and sleet layer adhesion strength torsional shear force measuring device |
| CN111596374A (en) * | 2019-08-30 | 2020-08-28 | 北京赛亿科技有限公司 | Mounting mode of outdoor icing detection sensor |
| CN113092940A (en) * | 2021-04-08 | 2021-07-09 | 云南电网有限责任公司电力科学研究院 | Fault detection method of power transmission line icing monitoring device |
| CN116052371A (en) * | 2023-01-03 | 2023-05-02 | 广州市市政工程试验检测有限公司 | Inhaul cable ice falling risk monitoring and early warning method and system |
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