CN201429408Y - Extra-high voltage transmission line tilt angle monitoring device - Google Patents
Extra-high voltage transmission line tilt angle monitoring device Download PDFInfo
- Publication number
- CN201429408Y CN201429408Y CN2009201610663U CN200920161066U CN201429408Y CN 201429408 Y CN201429408 Y CN 201429408Y CN 2009201610663 U CN2009201610663 U CN 2009201610663U CN 200920161066 U CN200920161066 U CN 200920161066U CN 201429408 Y CN201429408 Y CN 201429408Y
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- transmission line
- angle sensor
- monitoring device
- communication interface
- tilt
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 48
- 238000012806 monitoring device Methods 0.000 title claims abstract description 22
- 238000004891 communication Methods 0.000 claims abstract description 27
- 239000012212 insulator Substances 0.000 claims abstract description 19
- 230000005611 electricity Effects 0.000 claims description 16
- 238000012544 monitoring process Methods 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000012937 correction Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model relates to an extra-high voltage transmission line tilt angle monitoring device, which comprises a tilt angle sensor, a communication interface and a microprocessor, wherein the tiltangle sensor is used to monitor inclination of a bar tower and an insulator string of a transmission line, and sends a monitored tilt angle to the microprocessor through the communication interface,the tilt angle sensor uses a micromachine structure, is integrated magnetic-sensing resistance chip, and the communication interface is used to convert the tilt angle which monitored by the tilt anglesensor into signals with types which can be received by the microprocessor. The microprocessor is used to amend in linear and compensate and treat temperature to the signal which is converted by thecommunication interface, then reduces an initial value which is measured in advance, judges whether the bar tower and the insulator string of the transmission line tilt through a difference value, ifyes, alarm signals are sent to a command center. The sensor uses the micromachine structure, the defect that a prior tilt angle sensor has poor anti-seismic performance can be excellent solved, the tilt of the rod tower and the insulator string of the transmission line can be accurately measured, and the precision is high.
Description
Technical field
The utility model relates to the high voltage installation technical field, particularly a kind of UHV transmission line inclination angle monitoring device.
Background technology
Along with the modernization development of scientific-technical progress and industrial or agricultural, living standards of the people improve constantly at present, and power consumption significantly rises, and mains supply security, reliability have been proposed more and more higher requirement.Aerial high-voltage power transmission line is the artery of electric system, and high-voltage transmission cable, shaft tower are clouded in each corner, and its running status directly determines the safety and the benefit of electric system.Along with a large amount of exploitations in colliery in recent years cause the underground goaf that comes in every shape, cause a series of engineering geology disasters such as land subsidence, fracture, these adopt the sky subsidence area, it is wide to distribute mostly, extend far, transmission line of electricity is in these zones, and the lighter can cause basic slope, cracking, shaft tower distortion, weight person causes yielding of foundation, shaft tower to topple over, the safe operation of serious threat transmission line of electricity.
Therefore, be necessary to monitor the safe operation of transmission line of electricity.The degree of tilt of transmission line of electricity especially should be monitored in area for goaf and landform inclination, in time reports to the police in case find the electric power pylon inclination, avoids the accident of interruption maintenance on a large scale.
China has built first 1000kV system for ultra-high voltage transmission at present, and the electric power pylon volume of UHV transmission line is big, and the transmission pressure pressure that bears is big, and therefore, the safety of monitoring UHV transmission line is very important.
But the degree of tilt precision of the device monitoring of existing monitoring electric power pylon degree of tilt is lower, is subjected to the interference of on-the-spot electromagnetic environment easily.
The utility model content
The technical problems to be solved in the utility model provides a kind of UHV transmission line inclination angle monitoring device, can accurately monitor the degree of tilt of transmission line of electricity, and precision is higher.
The utility model provides a kind of UHV transmission line inclination angle monitoring device, comprising: slant angle sensor, communication interface and microprocessor;
Described slant angle sensor is used to monitor the degree of tilt of the shaft tower and/or the insulator chain of transmission line of electricity, and the described degree of tilt that monitors is sent to described microprocessor by described communication interface; Described slant angle sensor adopts micro mechanical structure, integrated mistor chip;
Described communication interface is used for changing the degree of tilt that institute's slant angle sensor monitors into signal type that described microprocessor is accepted;
Described microprocessor, be used for the signal after the described communication interface conversion is carried out linearity correction and temperature compensation processing, then with the initial value of measuring in advance do poor, judge the whether run-off the straight of the shaft tower of transmission line of electricity and/or insulator chain by difference, if then send alerting signal to command centre.
Preferably, two axial variations of described mistor chip induction with these two axially definite first planes, compare described first plane and reference planes the degree of tilt that obtains measuring.
Preferably, described slant angle sensor is provided with shielding box outward, is used to avoid the interference of extra-high voltage high-intensity magnetic field.
Preferably, between described slant angle sensor and the described communication interface and the transmission signal line between described communication interface and the described microprocessor all adopt the double layer screen line; Wherein,
The skin shielding of described double layer screen line is the iron head place ground connection of the insulator of electric power pylon;
The internal layer shielding of described double layer screen line is this monitoring device position ground connection.
Preferably, described slant angle sensor inside is integrated with analog to digital converter, and it is digital signal that described analog to digital converter is used for the analog-signal transitions that described mistor chip is sensed.
Preferably, described communication interface is 485 interfaces.
Preferably, described microprocessor is a single-chip microcomputer.
Preferably, the scope of the angle of described slant angle sensor monitoring is ± 90 degree.
Compared with prior art, the utlity model has following advantage:
The UHV transmission line inclination angle monitoring device that the utility model provides, by the shaft tower of the contactless monitoring transmission line of electricity of the slant angle sensor that is integrated with the mistor chip and/or the degree of tilt of insulator chain, the mistor chip can improve the reliability and the frequency response performance of slant angle sensor greatly.Microprocessor carries out linearity to the degree of tilt of slant angle sensor monitoring to be revised and temperature compensation, makes its temperature drift when high temperature uses very little.And this sensor adopts micro mechanical structure to solve the defective of existing slant angle sensor shock resistance difference well.Therefore, the slant angle sensor that the utility model provides can accurately be measured the degree of tilt of the shaft tower and/or the insulator chain of transmission line of electricity, and precision is higher.
Description of drawings
Fig. 1 is based on the device first example structure figure of the present utility model;
Fig. 2 is based on slant angle sensor structural drawing of the present utility model.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.
Referring to Fig. 1, this figure is based on the device first example structure figure of the present utility model.
The UHV transmission line inclination angle monitoring device that the utility model embodiment provides comprises: slant angle sensor 101, communication interface 102 and microprocessor 103.
Described slant angle sensor 101 is used to monitor the degree of tilt of the shaft tower and/or the insulator chain of transmission line of electricity, and the described degree of tilt that monitors is sent to described microprocessor 103 by described communication interface 102.
Described slant angle sensor 101 adopts micro mechanical structure, integrated mistor chip.
The micro mechanical structure that slant angle sensor 101 adopts can solve the defective of existing slant angle sensor shock resistance difference well.
Described communication interface 102 is used for changing the degree of tilt that institute's slant angle sensor 101 monitors into signal type that described microprocessor 103 is accepted.
Need to prove that the described communication interface of the utility model embodiment preferably is not limited to 485 interfaces, can be the standard industry communication standard of other types, for example: 20～40mA, 0～5V, 0～10V etc.
Described microprocessor 103, be used for the signal after described communication interface 102 conversions is carried out linearity correction and temperature compensation processing, then with the initial value of measuring in advance do poor, judge the whether run-off the straight of the shaft tower of transmission line of electricity and/or insulator chain by difference, if then send alerting signal to command centre.
Microprocessor carries out linearity correction to the signal that receives, can be so that the degree of tilt that arrives is more accurate.Simultaneously, microprocessor can also carry out temperature compensation to the signal that receives, and can make the temperature drift of slant angle sensor when hot environment is used very little like this.
The slant angle sensor that present embodiment provides can be responded to the degree of tilt of the equipment that will monitor contactlessly, can avoid the interference of extra-high voltage strong-electromagnetic field like this.
Need to prove, the UHV transmission line inclination angle monitoring device that present embodiment provides is at the initial value of monitoring the normal position degree of tilt first of electric power pylon or insulator chain installation, with this initial value is benchmark, later in real time the degree of tilt of monitoring and this initial value are done poorly, judge the whether run-off the straight of electric power pylon or insulator chain by this difference.The pitch angle of present embodiment monitoring is a relative value, obtains by doing difference with initial value.
Referring to Fig. 2, this figure is based on slant angle sensor structural drawing of the present utility model.
The shell of the slant angle sensor of present embodiment adopts waterproof construction, can resist external interference effectively.
The integrated mistor chip 201 of slant angle sensor can be responded to two axial variations, as shown in Figure 2, and X-axis and Y-axis both direction.With these two axially definite first planes, described first plane and reference planes are compared the degree of tilt that obtains measuring.
Described reference planes can be surface levels.
Slant angle sensor inside is integrated with analog to digital converter (not shown among Fig. 2), and it is digital signal that described analog to digital converter is used for the analog-signal transitions that described mistor chip is sensed.
Need to prove, also can not utilize the inner integrated analog to digital converter of slant angle sensor, also can connect other analog to digital converter in the slant angle sensor outside.
The digital signal of coming out from described slant angle sensor transfers to 485 communication interfaces through double layer screen line 202.
485 communication interfaces are the signal type that microprocessor can directly receive with digital signal transition, transfer to microprocessor through the double layer screen line.
Need to prove, avoid disturbing in order to guarantee transmission signals, between described slant angle sensor and the described communication interface and the transmission signal line between described communication interface and the described microprocessor all adopt the double layer screen line; Wherein, the shielding of the skin of described double layer screen line is the iron head place ground connection of the insulator of electric power pylon; The internal layer shielding of described double layer screen line is this monitoring device position ground connection.
For the input interface of sensor, also adopted antiseepage, measure such as anti-tampering, anti-lightning strike, guarantee the reliability of interface.
Described slant angle sensor is provided with shielding box outward, is used to avoid the interference of extra-high voltage high-intensity magnetic field.Because the working environment of slant angle sensor except the highfield interference is arranged, also exists high-intensity magnetic field to disturb, so the method that signal that system adopts the double layer screen line to introduce especially to collect and shielding box internal layer are isolated prevents that the extra-high voltage high-intensity magnetic field from disturbing.
Described microprocessor is a single-chip microcomputer.Certainly, can also adopt the microprocessor of other types.
The scope of the angle of the slant angle sensor monitoring that present embodiment provides is ± 90 degree, and the angular range that slant angle sensor of the prior art can be monitored is less, just can't monitor accurate values like this when bigger inclination takes place transmission line of electricity.
Need to prove that the UHV transmission line inclination angle monitoring device that the utility model provides can be monitored the pitch angle of pitch angle, ground wire inclination angle and/or body of the tower itself of angle of wind deflection, the insulator chain of lead.
The UHV transmission line inclination angle monitoring device that the utility model provides, by the shaft tower of the contactless monitoring transmission line of electricity of the slant angle sensor that is integrated with the mistor chip and/or the degree of tilt of insulator chain, the mistor chip can improve the reliability and the frequency response performance of slant angle sensor greatly.Microprocessor carries out linearity to the degree of tilt of slant angle sensor monitoring to be revised and temperature compensation, makes its Wen Yiliang when high temperature uses very little.And this sensor adopts micro mechanical structure to solve the defective of existing slant angle sensor shock resistance difference well.Therefore, the slant angle sensor that the utility model provides can accurately be measured the degree of tilt of the shaft tower and/or the insulator chain of transmission line of electricity, and precision is higher.
The above only is preferred embodiment of the present utility model, is not the utility model is done any pro forma restriction.Though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model.Any those of ordinary skill in the art, do not breaking away under the technical solutions of the utility model scope situation, all can utilize the method and the technology contents of above-mentioned announcement that technical solutions of the utility model are made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solutions of the utility model, all still belongs in the scope of technical solutions of the utility model protection any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present utility model.
Claims (8)
1, a kind of UHV transmission line inclination angle monitoring device is characterized in that, comprising: slant angle sensor, communication interface and microprocessor;
Described slant angle sensor is used to monitor the degree of tilt of the shaft tower and/or the insulator chain of transmission line of electricity, and the described degree of tilt that monitors is sent to described microprocessor by described communication interface; Described slant angle sensor adopts micro mechanical structure, integrated mistor chip;
Described communication interface is used for changing the degree of tilt that described slant angle sensor monitors into signal type that described microprocessor is accepted;
Described microprocessor, be used for the signal after the described communication interface conversion is carried out linearity correction and temperature compensation processing, then with the initial value of measuring in advance do poor, judge the whether run-off the straight of the shaft tower of transmission line of electricity and/or insulator chain by difference, if then send alerting signal to command centre.
2, UHV transmission line according to claim 1 inclination angle monitoring device, it is characterized in that two axial variations of described mistor chip induction are axially determined first plane with these two, described first plane and reference planes are compared the degree of tilt that obtains measuring.
3, UHV transmission line according to claim 1 inclination angle monitoring device is characterized in that described slant angle sensor is provided with shielding box outward, is used to avoid the interference of extra-high voltage high-intensity magnetic field.
4, UHV transmission line according to claim 1 inclination angle monitoring device, it is characterized in that, between described slant angle sensor and the described communication interface and the transmission signal line between described communication interface and the described microprocessor all adopt the double layer screen line; Wherein,
The skin shielding of described double layer screen line is the iron head place ground connection of the insulator of electric power pylon;
The internal layer shielding of described double layer screen line is this monitoring device position ground connection.
5, UHV transmission line according to claim 1 inclination angle monitoring device, it is characterized in that, described slant angle sensor inside is integrated with analog to digital converter, and it is digital signal that described analog to digital converter is used for the analog-signal transitions that described mistor chip is sensed.
6, UHV transmission line according to claim 1 inclination angle monitoring device is characterized in that described communication interface is 485 interfaces.
7, UHV transmission line according to claim 1 inclination angle monitoring device is characterized in that described microprocessor is a single-chip microcomputer.
8, UHV transmission line according to claim 1 inclination angle monitoring device is characterized in that, the scope of the angle of described slant angle sensor monitoring is ± 90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201610663U CN201429408Y (en) | 2009-06-29 | 2009-06-29 | Extra-high voltage transmission line tilt angle monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201610663U CN201429408Y (en) | 2009-06-29 | 2009-06-29 | Extra-high voltage transmission line tilt angle monitoring device |
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| CN201429408Y true CN201429408Y (en) | 2010-03-24 |
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| CN2009201610663U Expired - Lifetime CN201429408Y (en) | 2009-06-29 | 2009-06-29 | Extra-high voltage transmission line tilt angle monitoring device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353355A (en) * | 2011-06-14 | 2012-02-15 | 西安工程大学 | Method for measuring power transmission line pole and tower inclination based on video differences |
| CN104457838A (en) * | 2013-09-24 | 2015-03-25 | 国家电网公司 | Intelligent spacer and real-time monitoring method for power transmission line |
| CN105973622A (en) * | 2016-04-29 | 2016-09-28 | 西安同步电气有限责任公司 | Transmission line simulation and verification system and transmission line simulation and verification method |
| CN110160495A (en) * | 2019-06-11 | 2019-08-23 | 广东沅朋网络科技有限公司 | Shaft tower tilts monitoring and pre-alarming method and device |
-
2009
- 2009-06-29 CN CN2009201610663U patent/CN201429408Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353355A (en) * | 2011-06-14 | 2012-02-15 | 西安工程大学 | Method for measuring power transmission line pole and tower inclination based on video differences |
| CN104457838A (en) * | 2013-09-24 | 2015-03-25 | 国家电网公司 | Intelligent spacer and real-time monitoring method for power transmission line |
| CN105973622A (en) * | 2016-04-29 | 2016-09-28 | 西安同步电气有限责任公司 | Transmission line simulation and verification system and transmission line simulation and verification method |
| CN105973622B (en) * | 2016-04-29 | 2018-12-18 | 西安同步电气有限责任公司 | Transmission line of electricity simplation verification system and method |
| CN110160495A (en) * | 2019-06-11 | 2019-08-23 | 广东沅朋网络科技有限公司 | Shaft tower tilts monitoring and pre-alarming method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CENTRAL SOUTHERN CHINA ELECTRIC POWER DESIGN INSTI Free format text: FORMER NAME: CENTRAL SOUTHERN CHINA ELECTRIC POWER DESIGN INSTITUTE, CHINA POWER ENGINEERING CONSULTING GROUP COR |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 430071 No. 668, democracy Road, Wuhan, Hubei, Wuchang Patentee after: Co., Ltd of Central Southern China Electric Power Design Institute, China Power Engineering Consulting Group Corporation Patentee after: State Grid Corporation of China Patentee after: XI'AN SIMUL ELECTRIC CO., LTD. Address before: 430071 No. 668, democracy Road, Wuhan, Hubei, Wuchang Patentee before: Central Southern China Electric Power Design Institute, China Power Engineering Consulting Group Cor Patentee before: State Grid Corporation of China Patentee before: XI'AN SIMUL ELECTRIC CO., LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100324 |