CN104266581A - Wind deflection angle monitoring system of electric transmission line insulator string - Google Patents
Wind deflection angle monitoring system of electric transmission line insulator string Download PDFInfo
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- CN104266581A CN104266581A CN201410593240.7A CN201410593240A CN104266581A CN 104266581 A CN104266581 A CN 104266581A CN 201410593240 A CN201410593240 A CN 201410593240A CN 104266581 A CN104266581 A CN 104266581A
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- 239000012212 insulator Substances 0.000 title claims abstract description 37
- 230000005540 biological transmission Effects 0.000 title claims abstract description 25
- 238000012544 monitoring process Methods 0.000 title claims abstract description 22
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- 238000006243 chemical reaction Methods 0.000 claims description 2
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- 230000015572 biosynthetic process Effects 0.000 description 1
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Abstract
The invention particularly provides a wind deflection angle monitoring system of an electric transmission line insulator string and aims to solve the problem that the wind deflection angle of the electric transmission line insulator string is difficult to monitor. The wind deflection angle monitoring system comprises the insulator string hung at the lower part of a cross arm of a pole tower; a collection node mounted perpendicular to the insulator string is arranged at the lower end of the insulator string; the collection node comprises an acceleration sensor; the acceleration sensor is connected with a collection node single-chip microcomputer through a conditioning circuit; the collection node is connected with a coordinator; the coordinator comprises a coordinator single-chip microcomputer; the coordinator single-chip microcomputer is connected with a GPRS module through a serial port; the coordinator has an access to a wireless network; the wireless network is connected with a monitoring center. The monitoring system has the advantages that the structure is simple, the instantaneity is good, the mounting is convenient, the precision of an acquisition circuit is good, the acquired data is accurate and neccessary security assurance is provided for circuit maintenance and electric transmission line safety operation by the real-time and accurate monitoring data.
Description
Technical field
The present invention relates to electric detection system technology, be specially a kind of transmission circuit insulator string angle of wind deflection monitoring system.
Background technology
Transmission circuit insulator string windage yaw is one and has threat and very complicated problem to line security operation.Windage yaw is a kind of by wind-induced wire dancing, and the factor of two aspects is generally depended in the formation of windage yaw, i.e. wind excitation and line construction and parameter.When wind-force acts on insulator chain, suspension insulator will produce roll offset; Rocking tendency depends on the factor such as wind speed, insulator, wire deadweight, and after being displaced to certain angle, the spacing of insulator chain and tower body reduces, and is less than clearance during normal operation, air-gap disruptive discharge under power-frequency voltage.Due to the generation of insulator chain angle of wind deflection, gently then cause alternate flashover, metal fixture to damage, heavy then cause line tripping to have a power failure, forget about it shaft tower, the major accident such as wire fractures, thus cause great economic loss.
Along with increasing Great span, high-tension transmission circuit put into operation, from practical operation situation, in order to effectively ensure the safe and stable operation of transmission line of electricity, first the windage yaw monitoring of transmission circuit insulator string will be carried out, but for a long time, when transmission line of electricity at home being measured the windage yaw of suspension insulator, normally adopt windage yaw detector, it is comparatively large to there is volume in it, easily damages, the problems such as precision is low.Therefore, the present invention proposes a kind of new power transmission circuit caused by windage monitoring method, on this basis, adopt precision circuit to improve the degree of accuracy of angle of wind deflection monitoring.Real-time, the accurate detection that the method is insulator chain angle of wind deflection and line upkeep and transmission line of electricity safe operation provide necessary safety guarantee.
Summary of the invention
The problem that the present invention not easily monitors to solve transmission circuit insulator string angle of wind deflection, provides a kind of transmission circuit insulator string angle of wind deflection monitoring system.
The present invention adopts following technical scheme to realize: transmission circuit insulator string angle of wind deflection monitoring system, comprise the insulator chain of hanging below the cross-arm of shaft tower, insulator chain lower end is provided with vertically arranged acquisition node with it, acquisition node comprises acceleration transducer, acceleration transducer is connected to acquisition node single-chip microcomputer by modulate circuit, acquisition node is connected to telegon, telegon comprises telegon single-chip microcomputer, telegon single-chip microcomputer is connected with GPRS module by serial ports, telegon access of radio network, wireless network is connected to Surveillance center.
Acquisition node of the present invention, for gathering the angle of wind deflection parameter of monitoring insulator chain, and is transferred to telegon by after data processing, and telegon judges angle of wind deflection whether over-limit condition, and result is transferred to Surveillance center.Acceleration transducer survey the deviation angle of himself deviation angle and insulator chain.Telegon single-chip microcomputer, GPRS module are existing equipment, and the connection of its circuit and control easily realize for those skilled in the art.
Beneficial effect of the present invention is as follows: the present invention utilizes and installs acceleration transducer additional at insulator chain, achieves the Real-Time Monitoring to insulator chain windage yaw angle.Structure of the present invention is simple, real-time good, easy for installation; Front end signal Acquisition Circuit accuracy is good simultaneously, can ensure the accuracy of image data; Be conducive to promoting in transmission circuit insulator string angle of wind deflection monitoring field, there is very important engineering practical value; In real time, accurate Monitoring Data provides the safety guarantee of necessity for line upkeep and transmission line of electricity safe operation.
Accompanying drawing explanation
Fig. 1 is system syndeton schematic diagram of the present invention;
Fig. 2 is acquisition node structural representation of the present invention;
Fig. 3 is modulate circuit structural representation of the present invention;
Fig. 4 is telegon structural representation of the present invention;
Fig. 5 is that acquisition node of the present invention arranges schematic diagram;
In figure: 1-shaft tower, 2-cross-arm, 3-insulator chain, 4-acquisition node, 5-telegon, 6 wireless networks, 7-Surveillance center, 41-acceleration transducer, 42-modulate circuit, 43-acquisition node single-chip microcomputer, 51-telegon single-chip microcomputer, 52-GPRS module, 53-serial ports.
Embodiment
Transmission circuit insulator string angle of wind deflection monitoring system, comprise the insulator chain 3 of hanging below the cross-arm 2 of shaft tower 1, insulator chain 3 lower end is provided with vertically arranged acquisition node 4 with it, acquisition node 4 comprises acceleration transducer 41, acceleration transducer 41 is connected to acquisition node single-chip microcomputer 43 by modulate circuit 42, acquisition node 4 is connected to telegon 5, telegon 5 comprises telegon single-chip microcomputer 51, telegon single-chip microcomputer 51 is connected with GPRS module 52 by serial ports 53, telegon 5 access of radio network 6, wireless network 6 is connected to Surveillance center 7.
In specific implementation process, acceleration transducer 41 adopts SCA100T-D02, and acquisition node single-chip microcomputer 43 and telegon single-chip microcomputer 51 adopt CC2530.Modulate circuit 42 comprises and the acceleration transducer 41 input end VDD shunt capacitance C1 accessing input voltage VCC5V in parallel, pin OUT_1 and OUT_2 of acceleration transducer 41 respectively picks out two low-pass filter circuits, low-pass filter circuit is made up of R1 and C2, R4 and C4 respectively, bleeder circuit is connected to respectively after low-pass filter circuit, bleeder circuit is made up of R2 and R3, R5 and R6, be connected to the voltage follower adopting TLV2242 composition after bleeder circuit, last two paths of signals is by A/D conversion access acquisition node single-chip microcomputer 43.Wireless module by being provided with separately between acquisition node 4 and telegon 5 connects.CC2530 is as the acquisition node single-chip microcomputer 43(MCU of acquisition node), be responsible for process and the wireless transmission of image data; Described acquisition node single-chip microcomputer 43(MCU) low in energy consumption, performance good, can set up radio sensing network; Acceleration transducer is a kind of MEMS sensor, and its output voltage can obtain the angle of inclination of sensor and surface level through algorithm process, therefore is usually also called obliquity sensor; Modulate circuit 42 antijamming capability is strong, measuring accuracy is high, low-pass filtering, the interference of the unwanted high fdrequency component of filtering, bleeder circuit, carries out 1/4 dividing potential drop to X-axis output voltage, Y-axis output voltage respectively, can send A/D sampling processing, voltage follower has the characteristic of high input impedance, low output impedance, so two paths of signals is respectively by after voltage follower, two output voltage produces distortion hardly, ensure that the accuracy of signals collecting.Telegon adopts CC2530 as MCU equally, telegon is responsible for setting up zigbee radio sensing network, receive each acquisition node data, then CC2530 controls GPRS module by serial ports, zigbee wireless sensor network is connected with Internet network by GPRS module, achieves the long range radio transmissions of data from monitoring field to Surveillance center.
Claims (4)
1. a transmission circuit insulator string angle of wind deflection monitoring system, comprise the insulator chain (3) of cross-arm (2) below of hanging in shaft tower (1), it is characterized in that: insulator chain (3) lower end is provided with vertically arranged acquisition node (4) with it, acquisition node (4) comprises acceleration transducer (41), acceleration transducer (41) is connected to acquisition node single-chip microcomputer (43) by modulate circuit (42), acquisition node (4) is connected to telegon (5), telegon (5) comprises telegon single-chip microcomputer (51), telegon single-chip microcomputer (51) is connected with GPRS module (52) by serial ports (53), telegon (5) access of radio network (6), wireless network (6) is connected to Surveillance center (7).
2. transmission circuit insulator string angle of wind deflection monitoring system according to claim 1, is characterized in that: acceleration transducer (41) adopts SCA100T-D02, and acquisition node single-chip microcomputer (43) and telegon single-chip microcomputer (51) adopt CC2530.
3. transmission circuit insulator string angle of wind deflection monitoring system according to claim 2, it is characterized in that: modulate circuit (42) comprises the shunt capacitance C1 that access input voltage VCC5V in parallel with acceleration transducer (41) input end VDD, pin OUT_1 and OUT_2 of acceleration transducer (41) respectively picks out two low-pass filter circuits, low-pass filter circuit is respectively by R1 and C2, R4 and C4 forms, bleeder circuit is connected to respectively after low-pass filter circuit, bleeder circuit is by R2 and R3, R5 and R6 forms, the voltage follower adopting TLV2242 composition is connected to after bleeder circuit, last two paths of signals is by A/D conversion access acquisition node single-chip microcomputer (43).
4. transmission circuit insulator string angle of wind deflection monitoring system according to claim 1, is characterized in that: the wireless module by being provided with separately between acquisition node (4) and telegon (5) connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410593240.7A CN104266581A (en) | 2014-10-30 | 2014-10-30 | Wind deflection angle monitoring system of electric transmission line insulator string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410593240.7A CN104266581A (en) | 2014-10-30 | 2014-10-30 | Wind deflection angle monitoring system of electric transmission line insulator string |
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| Publication Number | Publication Date |
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| CN104266581A true CN104266581A (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410593240.7A Pending CN104266581A (en) | 2014-10-30 | 2014-10-30 | Wind deflection angle monitoring system of electric transmission line insulator string |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105423960A (en) * | 2015-12-31 | 2016-03-23 | 国网辽宁省电力有限公司沈阳供电公司 | Conductor windage monitoring device based on laser positioning |
| CN106500586A (en) * | 2017-01-10 | 2017-03-15 | 国网江苏省电力公司电力科学研究院 | One kind is using wind tunnel experiment analog insulation substring windage yaw angle measuring system and method |
| CN112393712A (en) * | 2020-11-16 | 2021-02-23 | 云南电网有限责任公司昆明供电局 | Power transmission line insulator string inclination monitoring system and method based on satellite positioning |
-
2014
- 2014-10-30 CN CN201410593240.7A patent/CN104266581A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105423960A (en) * | 2015-12-31 | 2016-03-23 | 国网辽宁省电力有限公司沈阳供电公司 | Conductor windage monitoring device based on laser positioning |
| CN106500586A (en) * | 2017-01-10 | 2017-03-15 | 国网江苏省电力公司电力科学研究院 | One kind is using wind tunnel experiment analog insulation substring windage yaw angle measuring system and method |
| CN112393712A (en) * | 2020-11-16 | 2021-02-23 | 云南电网有限责任公司昆明供电局 | Power transmission line insulator string inclination monitoring system and method based on satellite positioning |
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Application publication date: 20150107 |
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| RJ01 | Rejection of invention patent application after publication |