CN104154945A - Power transmission line covered ice monitoring device based on rotation reference conductor - Google Patents
Power transmission line covered ice monitoring device based on rotation reference conductor Download PDFInfo
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- CN104154945A CN104154945A CN201410419112.0A CN201410419112A CN104154945A CN 104154945 A CN104154945 A CN 104154945A CN 201410419112 A CN201410419112 A CN 201410419112A CN 104154945 A CN104154945 A CN 104154945A
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- transmission line
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- 239000004020 conductor Substances 0.000 title claims abstract description 85
- 230000005540 biological transmission Effects 0.000 title claims abstract description 55
- 238000012806 monitoring device Methods 0.000 title abstract 3
- 238000012544 monitoring process Methods 0.000 claims abstract description 46
- 230000005611 electricity Effects 0.000 claims description 25
- 238000010438 heat treatment Methods 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 239000000725 suspension Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 3
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Suspension Of Electric Lines Or Cables (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention provides a power transmission line covered ice monitoring device based on a rotation reference conductor. The power transmission line covered ice monitoring device at least comprises the reference conductor, a hanging support and a tension sensor. The reference conductor can be rotationally connected with the tension sensor. The tension sensor is fixedly connected with the hanging support. An ice melting unit is arranged in the reference conductor. The reference conductor rotates under the actions of wind force and covered ice gravity so that uniform cylindrical covered ice can be formed on the surface of the reference conductor; the tension sensor is utilized for monitoring the weight of the covered ice to carry out simulated monitoring on the covered ice of a power transmission line, the covered ice of the power transmission line can be effectively monitored, the effect of the environment on the monitoring result is effectively avoided, and the covered ice monitoring accuracy can be greatly improved.
Description
Technical field
The present invention relates to field of electrical equipment, relate in particular to a kind of device for monitoring icing of electric transmission line based on rotation reference conductor.
Background technology
In the winter time in the environment of low temperature, high humility, can there is icing phenomenon in high-tension electricity transmission line of electricity, serious icing causes that electric power line pole tower collapses, conductor cord disconnection etc. affects the major accident of power system security reliability service, cause electric grid large area power cut, have a strong impact on industrial and agricultural production and people's lives, and cause tremendous economic loss.
At present, monitoring transmission line icing mainly contains the methods such as video monitoring and artificial line walking.Video monitoring method is obtained the icing image of transmission line of electricity and it is processed by video camera, extract boundary profile and infer the ice covering thickness on transmission line of electricity, but in practice, video method has many difficulties, video monitoring method monitoring system quality volume used is large, video camera setting angle requires harshness and easily causes surveillance map image distortion, especially in the time that icing is serious, video camera is difficult to photograph the icing situation of transmission line of electricity by snow and ice cover, cause the method even cannot monitor the accuracy of icing detection is extremely low, high-definition camera is expensive simultaneously, cost is very high.Artificial line walking is to measure powerline ice-covering situation by making an inspection tour personnel's field observation, but because powerline ice-covering is subject to local mima type microrelief weather influence large, and some construction of line is meagrely-populated, ungetable area, this has greatly increased the personnel's that make an inspection tour labour intensity on the one hand, and one side has also reduced the ageing and accuracy of monitoring result in addition.
Therefore, a kind of new device for monitoring icing of electric transmission line need to be proposed, can accurately monitor the icing of transmission line of electricity, avoid the impact of environmental factor on monitoring result, improve the accuracy rate of monitoring, and simple in structure, greatly reduce labour and reduce labour intensity, installation and maintenance cost are low, and applicable electrical network uses on a large scale.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of device for monitoring icing of electric transmission line based on rotation reference conductor, can accurately monitor the icing of transmission line of electricity, avoid the impact of environmental factor on monitoring result, improve the accuracy rate of monitoring, and simple in structure, greatly reduce labour and reduce labour intensity, installation and maintenance cost are low, and applicable electrical network uses on a large scale.
A kind of device for monitoring icing of electric transmission line based on rotation reference conductor provided by the invention, at least comprise reference conductor, suspension holdfast and pulling force sensor, described reference conductor is connected with pulling force sensor in rotating mode, described pulling force sensor is fixedly connected with suspension holdfast, is provided with ice-melt unit in described reference conductor.
Further, described reference conductor is tubular structure, and the external diameter of described reference conductor is identical with the wire diameter of power transmission line and the material of reference conductor is identical with the material of power transmission line or similar.
Further, also comprise two conductor mount pads, described conductor mount pad is fixedly connected with pulling force sensor, and described conductor mount pad is rotatably assorted by rolling bearing and reference conductor.
Further, described ice-melt unit comprises insulated heating wire and copper pipe, and described insulated heating wire is arranged in copper pipe, and described copper pipe is arranged at described reference conductor inside.
Further, described suspension holdfast is connecting link, and one end of described connecting link is fixedly connected with pulling force sensor, and the other end is provided with link.
Further, the icing data of described pulling force sensor monitoring transfer to control module or the Surveillance center of the deicing device of transmission line of electricity by wired or wireless mode.
Further, described pulling force sensor and insulated heating wire are powered by electricity-getting mutual inductor or solar cell.
Further, described two conductor mount pads are provided with mounting hole, the mounting hole of one of them conductor mount pad is blind hole, and the conductor mounting hole of another mount pad is through hole, and the two ends of described copper pipe are fixedly installed in mounting hole and insulated heating wire passes from the mounting hole for through hole.
Further, described rolling bearing is deep groove ball bearing.
Beneficial effect of the present invention: the present invention is by rotatable reference conductor, its reference conductor rotates and makes the surface of reference conductor form uniform cylindrical icing under the effect of wind-force and icing gravity, the quality of then monitoring icing by pulling force sensor is carried out analog monitoring to the icing of transmission line of electricity, can effectively monitor the icing of transmission line of electricity, effectively avoid the impact of environment on monitoring result, greatly improve the accuracy of icing monitoring, and by sensor, Monitoring Data is delivered to monitoring center in real time, greatly improve the ageing of monitoring, and effectively reduce labour and reduce labour intensity, especially in a varied topography and rugged environment, can monitor all fronts of transmission line of electricity, ensure that monitoring transmission line icing is without blind spot, and then confession electrical stability and the reliability of guarantee electric system, and the present invention can carry out ice-melt action with transmission line of electricity simultaneously, ensure the synchronism of the present invention and transmission line of electricity, further improve the accurate shape of icing monitoring, the present invention is simple in structure, easily manufactured, and installation and maintenance cost is low, and applicable electrical network uses on a large scale.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is structural representation of the present invention.
Fig. 2 is partial exploded view of the present invention.
Embodiment
Fig. 1 is structural representation of the present invention, Fig. 2 is partial exploded view of the present invention, as shown in the figure, a kind of device for monitoring icing of electric transmission line based on rotation reference conductor provided by the invention, at least comprise reference conductor 1, suspension holdfast and pulling force sensor 3, described reference conductor 1 is connected with pulling force sensor 3 in rotating mode, described pulling force sensor 3 is fixedly connected with suspension holdfast, in described reference conductor 1, be provided with ice-melt unit, in the present embodiment, the Monitoring Data of described pulling force sensor output is sent to Surveillance center by wired or wireless mode, and (wherein Surveillance center can be monitoring station, transformer station or command centre of transformer station etc.), also can Monitoring Data be transferred to by wired or wireless mode to the control module of the deicing device of transmission line of electricity, in the time that pulling force data reaches default threshold value, by the control module output steering order of the deicing device of Surveillance center or transmission line of electricity, carry out transmission line of electricity and reference conductor ice-melt simultaneously, ensure the synchronism of transmission line of electricity and reference conductor, wireless transmission method can adopt GPRS, internet (remote transmission), also can be by infrared, bluetooth (detecting the control module of data transmission to the deicing device of transmission line of electricity).
In the present embodiment, described reference conductor 1 is tubular structure, the external diameter of described reference conductor 1 is identical with the wire diameter of power transmission line and the material of reference conductor 1 is identical with the material of power transmission line or similar, by above-mentioned reference conductor, in the process of monitoring icing, can ensure state consistency and the synchronism of reference conductor and transmission line of electricity, make the accuracy of monitoring result can obtain maximum guarantee, and by the reference conductor of tubular structure, can be beneficial to the layout of the ice-melt unit of reference conductor, simplify arrangement, be beneficial to manufacture and install.
In the present embodiment, also comprise two conductor mount pads 2, two conductor mount pads 2 are arranged at respectively the two ends of reference conductor, described conductor mount pad 2 is fixedly connected with pulling force sensor 3, described conductor mount pad 2 is rotatably assorted by rolling bearing 8 and reference conductor 1, by this structure, more be beneficial to that reference conductor rotates under the effect of wind-force and icing gravity and form uniform cylindrical icing on its surface, and be convenient to reference conductor to install, described rolling bearing 8 is deep groove ball bearing, by this bearing, can bear larger load, especially exist icing on the surface of reference conductor, even if can also ensure the smoothness of reference conductor rotation in the situation that of carrying, thereby ensure the stability of work of the present invention.
In the present embodiment, described ice-melt unit comprises insulated heating wire 7 and copper pipe 6, described insulated heating wire is arranged in copper pipe 6, described copper pipe 6 is arranged at described reference conductor 1 inside, by this structure, can be beneficial to and reference conductor be carried out to ice-melt receiving after ice-melt order, ensure the synchronism of reference conductor and transmission line of electricity, and compact conformation, can not affect reference conductor surface icing, and then the accuracy of guarantee monitoring result, described pulling force sensor and insulated heating wire are powered by electricity-getting mutual inductor or solar cell, can ensure the operation that the present invention is continual and steady, without the Real-Time Monitoring of manually intervening transmission of electricity circuit icing, especially for rugged surroundings remote and with a varied topography, avoid especially the artificial more dry and existing potential safety hazard of manual intervention.
In the present embodiment, described suspension holdfast is connecting link 4, one end of described connecting link 4 is fixedly connected with pulling force sensor 3, the other end is provided with link 5, by this structure, be beneficial to the below that the present invention is fixedly installed in to the below of transmission line of electricity or is installed on the deicing device of transmission line of electricity, and easy for installation, wherein, connecting link and pulling force sensor are 2, the two ends of reference conductor arrange respectively a pulling force sensor and a connecting link, are beneficial to the fixing of reference conductor and rotation, and are beneficial to icing is monitored.
In the present embodiment, the icing data that described pulling force sensor 3 is monitored transfer to control module or the Surveillance center of the deicing device of transmission line of electricity by wired or wireless mode.
In the present embodiment, described two conductor mount pads 2 are provided with mounting hole 10, the mounting hole 10 of one of them conductor mount pad 2 is blind hole, the mounting hole 10 of another mount pad 2 is through hole, the two ends of described copper pipe 6 are fixedly installed on respectively in mounting hole 10 and insulated heating wire 7 passes from the mounting hole 10 for through hole, by this structure, be beneficial to and effectively fix being open to the custom on the one hand, being beneficial on the other hand insulated heating wire is electrically connected with external power source, when needing ice-melt, guarantee can carry out ice-melt to reference conductor smoothly, what is more important, can ensure that reference conductor can smooth and easyly rotate, and then ensure stability of the present invention and accuracy.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (9)
1. the device for monitoring icing of electric transmission line based on rotation reference conductor, it is characterized in that: at least comprise reference conductor, suspension holdfast and pulling force sensor, described reference conductor is connected with pulling force sensor in rotating mode, described pulling force sensor is fixedly connected with suspension holdfast, is provided with ice-melt unit in described reference conductor.
According to claim 1 based on rotation reference conductor device for monitoring icing of electric transmission line, it is characterized in that: described reference conductor is tubular structure, the external diameter of described reference conductor is identical with the wire diameter of power transmission line and the material of reference conductor is identical with the material of power transmission line or similar.
According to claim 1 based on rotation reference conductor device for monitoring icing of electric transmission line, it is characterized in that: also comprise two conductor mount pads, described conductor mount pad is fixedly connected with pulling force sensor, and described conductor mount pad is rotatably assorted by rolling bearing and reference conductor.
4. according to the device for monitoring icing of electric transmission line based on rotation reference conductor described in claim 2 or 3, it is characterized in that: described ice-melt unit comprises insulated heating wire and copper pipe, described insulated heating wire is arranged in copper pipe, and described copper pipe is arranged at described reference conductor inside.
According to claim 4 based on rotation reference conductor device for monitoring icing of electric transmission line, it is characterized in that: described suspension holdfast is connecting link, and one end of described connecting link is fixedly connected with pulling force sensor, and the other end is provided with link.
6. the device for monitoring icing of electric transmission line based on rotation reference conductor according to claim 5, is characterized in that: the data of described pulling force sensor monitoring transfer to control module or the Surveillance center of the deicing device of transmission line of electricity by wired or wireless mode.
According to claim 6 based on rotation reference conductor device for monitoring icing of electric transmission line, it is characterized in that: described pulling force sensor and insulated heating wire are powered by electricity-getting mutual inductor or solar cell.
According to claim 7 based on rotation reference conductor device for monitoring icing of electric transmission line, it is characterized in that: described two conductor mount pads are provided with mounting hole, the mounting hole of one of them conductor mount pad is blind hole, the mounting hole of another conductor mount pad is through hole, and the two ends of described copper pipe are fixedly installed in mounting hole and insulated heating wire passes from the mounting hole for through hole.
According to claim 8 based on rotation reference conductor device for monitoring icing of electric transmission line, it is characterized in that: described rolling bearing is deep groove ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410419112.0A CN104154945B (en) | 2014-08-22 | 2014-08-22 | Device for monitoring icing of electric transmission line based on rotation reference conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410419112.0A CN104154945B (en) | 2014-08-22 | 2014-08-22 | Device for monitoring icing of electric transmission line based on rotation reference conductor |
Publications (2)
| Publication Number | Publication Date |
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| CN104154945A true CN104154945A (en) | 2014-11-19 |
| CN104154945B CN104154945B (en) | 2016-12-07 |
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| CN201410419112.0A Active CN104154945B (en) | 2014-08-22 | 2014-08-22 | Device for monitoring icing of electric transmission line based on rotation reference conductor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760527A (en) * | 2018-08-20 | 2018-11-06 | 四川大学 | The embedded material that heats is from ice-melt conducting wire on-line monitoring equipment and monitoring method |
| CN109405881A (en) * | 2018-10-30 | 2019-03-01 | 重庆理工大学 | Device for monitoring icing of electric transmission line based on ice sheet dielectric property and rotated conductors |
| CN111521215A (en) * | 2019-12-11 | 2020-08-11 | 重庆市送变电工程有限公司 | On-line monitoring device for simulating wire icing based on micro-terrain microclimate area icing law |
| CN111964822A (en) * | 2020-08-05 | 2020-11-20 | 浙江大学 | Measuring device and system for multi-angle freezing stress of transmission conductor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH04236111A (en) * | 1991-01-18 | 1992-08-25 | Hitachi Cable Ltd | Device for monitoring accretion of snow on aerial power line |
| CN201260057Y (en) * | 2008-04-14 | 2009-06-17 | 魏登军 | Ice coating and removing device for overhead electric line |
| CN101701842A (en) * | 2009-11-03 | 2010-05-05 | 杭州海康雷鸟信息技术有限公司 | Method and system for real-time monitoring of analog wire coated by ice of overhead power transmission line |
| CN102338625A (en) * | 2010-07-14 | 2012-02-01 | 江西省电力公司信息通信中心 | Wire ice cover monitoring device |
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2014
- 2014-08-22 CN CN201410419112.0A patent/CN104154945B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH04236111A (en) * | 1991-01-18 | 1992-08-25 | Hitachi Cable Ltd | Device for monitoring accretion of snow on aerial power line |
| CN201260057Y (en) * | 2008-04-14 | 2009-06-17 | 魏登军 | Ice coating and removing device for overhead electric line |
| CN101701842A (en) * | 2009-11-03 | 2010-05-05 | 杭州海康雷鸟信息技术有限公司 | Method and system for real-time monitoring of analog wire coated by ice of overhead power transmission line |
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Non-Patent Citations (1)
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| 龚坚刚等: "输电线路覆冰的模拟导线实时监测", 《电力建设》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760527A (en) * | 2018-08-20 | 2018-11-06 | 四川大学 | The embedded material that heats is from ice-melt conducting wire on-line monitoring equipment and monitoring method |
| CN108760527B (en) * | 2018-08-20 | 2023-10-13 | 四川大学 | On-line monitoring equipment and monitoring method for self-ice melting wire embedded with heating material |
| CN109405881A (en) * | 2018-10-30 | 2019-03-01 | 重庆理工大学 | Device for monitoring icing of electric transmission line based on ice sheet dielectric property and rotated conductors |
| CN111521215A (en) * | 2019-12-11 | 2020-08-11 | 重庆市送变电工程有限公司 | On-line monitoring device for simulating wire icing based on micro-terrain microclimate area icing law |
| CN111521215B (en) * | 2019-12-11 | 2021-12-24 | 重庆市送变电工程有限公司 | On-line monitoring device for simulating wire icing based on micro-terrain microclimate area icing law |
| CN111964822A (en) * | 2020-08-05 | 2020-11-20 | 浙江大学 | Measuring device and system for multi-angle freezing stress of transmission conductor |
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| Publication number | Publication date |
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| CN104154945B (en) | 2016-12-07 |
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Address after: 400044 No. 174 Shapingba street, Shapingba District, Chongqing Patentee after: Chongqing University Patentee after: Chongqing Guangren Iron Tower Manufacture Co.,Ltd. Address before: 400044 No. 174 Shapingba street, Shapingba District, Chongqing Patentee before: Chongqing University Patentee before: CHONGQING GUANGREN TOWER MANUFACTURING Co.,Ltd. |
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