CN106451293A - Ice-melting tracing system for high-voltage transmission line - Google Patents
Ice-melting tracing system for high-voltage transmission line Download PDFInfo
- Publication number
- CN106451293A CN106451293A CN201610812994.6A CN201610812994A CN106451293A CN 106451293 A CN106451293 A CN 106451293A CN 201610812994 A CN201610812994 A CN 201610812994A CN 106451293 A CN106451293 A CN 106451293A
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- CN
- China
- Prior art keywords
- transmission line
- inner sleeve
- ice
- movable inner
- melt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/16—Devices for removing snow or ice from lines or cables
Abstract
The invention discloses an ice-melting tracing system for a high-voltage transmission line. The ice-melting tracing system comprises an overhead transmission line located between two adjacent power towers, wherein the end parts of the overhead transmission line are fixedly arranged on the power towers through a gravity sensing and monitoring device; the overhead transmission line is provided with an ice-melting electric tracing band and a current transformer; the current transformer, the gravity sensing and monitoring device and the ice-melting electric tracing band form a loop; and the gravity sensing and monitoring device connects electric connection between the current transformer and the ice-melting electric tracing band when the weight of the overhead transmission line is increased. The invention provides the ice-melting tracing system for the high-voltage transmission line. The problem that the gravity sensing and monitoring mode is easily disturbed by blowing of the wind can be solved in the process of learning whether the high-voltage transmission line is iced or not to control the electric tracing band to work.
Description
Technical field
The present invention relates to a kind of heating cable product technical field, particularly a kind of ultra-high-tension power transmission line ice-melt heat tracing system
System.
Background technology
Electric-heating belt is a kind of new high-tech product, since its last century 70 enters application, self-limited type
Electric-heating belt has become as most general electric-heating belt type in the world today.They can be widely applied to liquid object and exist
The anti-freezing and heat-insulating of conveying and tank body in pipeline, maintain technological temperature, heating highway, ramp, crossing, eaves and floor etc..
Inside basic model self-limited type electric-heating belt, the PTC macromolecular material of heat effect has been dispersed between two conductive core, outside which
It is made up of polymeric dielectric layer.When the power is turned on, internal PTC macromolecular material expanded by heating, resistance becomes big, reduces heating work(
Rate, reduces temperature；When the temperature decreases, internal PTC macromolecular material contract on cooling, resistance diminishes, and increases heating power, makes
Temperature rises, so as to reach the effect for automatically adjusting temperature.
Extra high voltage line aerial earth wire is due to without load current, being susceptible to the phenomenon of hydrops icing, its ice in the winter time
Thick can easily cause ground thread breakage, fall tower or the excessive wire of sag to accidents such as ground wire electric discharges, seriously far beyond aerial condutor
The safe and stable operation of impact extra-high voltage grid.The most economical effective method of powerline ice-covering loss can be mitigated, be to adopt
With electric-heating belt, ice-melt work is carried out to ultra-high-tension power transmission line, in prior art, generally by the way of picture control, know high pressure
Whether transmission line of electricity freezes, to control the work of electric-heating belt；Or high voltage power transmission is known by way of gravity sensing is monitored
Whether circuit freezes, to control the work of electric-heating belt；The mode of picture control is susceptible to erroneous judgement, the side of gravity sensing monitoring
Formula is easily disturbed by wind.
Content of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of ultra-high-tension power transmission line ice-melt tracing system, is obtaining
During knowing whether ultra-high-tension power transmission line is frozen to control electric-heating belt work, the mode of gravity sensing monitoring can be overcome to hold
It is vulnerable to the problem of wind interference.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of ultra-high-tension power transmission line ice-melt tracing system, including the overhead transmission line between adjacent two power tower bars,
The end of the overhead transmission line is fixedly mounted on power tower bar by gravity sensing monitoring device, the overhead transmission line
Ice-melt electric-heating belt is provided with road, is additionally provided with current transformer on the overhead transmission line, the current transformer, institute
State gravity sensing monitoring device and the ice-melt electric-heating belt collectively forms loop, and when the overhead transmission line weight increases
The electrical connection that Shi Suoshu gravity sensing monitoring device can be connected between the current transformer and the ice-melt electric-heating belt.
Used as the improvement further of technique scheme, the gravity sensing monitoring device includes moving sleeve pipe, activity
Inner sleeve, inner sleeve piston and flexible piston rods, and the gravity sensing monitoring device includes that tower bar fixing end and electric wire are fixed
End, the movable inner sleeve cylinder is arranged in the moving sleeve pipe, and the movable inner sleeve cylinder is towards the tower bar fixing end
One end is fixedly connected adjacent two power tower bars, and the moving sleeve pipe is fixedly connected described towards one end of the electric wire fixing end
The end of overhead transmission line, the inner sleeve piston is arranged in the movable inner sleeve cylinder, and is set on the inner sleeve piston
Some hollow out oil-through holes are equipped with, the flexible piston rods connect the inner sleeve piston towards one end of the tower bar fixing end,
The flexible piston rods pass through the end wall of the movable inner sleeve cylinder and the moving sleeve towards one end of the electric wire fixing end
Pipe is fixedly connected, and the inner chamber of the movable inner sleeve cylinder is enclosed construction and fills liquid lubricant, the moving sleeve pipe and institute
State between movable inner sleeve cylinder and compression reseting spring is provided with, be provided with for controlling the Current Mutual Inductance on the moving sleeve pipe
Control contact one and the control contact two of break-make is electrically connected between device and the ice-melt electric-heating belt, outside the movable inner sleeve cylinder
Surface is provided with the conductive connecting piece that can connect the control contact one and the control contact two；The compression reseting spring
Under normal condition, the conductive connecting piece is located at the control contact one and the control contact two towards the electric wire fixing end
Side.
Used as the improvement further of technique scheme, the movable inner sleeve cylinder is set towards one end of the tower bar fixing end
Tower bar connecting rod and bobbin seal plug is equipped with, described sleeve pipe sealing-plug is tightly connected the end of the movable inner sleeve cylinder by external screw thread
Portion, one end of the tower bar connecting rod is fixedly connected power tower bar, and the other end of the tower bar connecting rod is fixedly connected the set
Seal of tube plug.
Used as the improvement further of technique scheme, the movable inner sleeve cylinder is set towards one end of the electric wire fixing end
Piston rod guide pin bushing is equipped with, one end of the flexible piston rods is fixedly connected the moving sleeve pipe through the piston rod guide pin bushing.
Used as the improvement further of technique scheme, the moving sleeve pipe is set towards one end of the electric wire fixing end
Installation fixing nut is equipped with, the axial two ends of the installation fixing nut connect the flexible piston rods and electric wire clamping respectively
Head, the electric wire clamping head grips the end of the overhead transmission line.
Used as the improvement further of technique scheme, the moving sleeve pipe is set towards one end of the tower bar fixing end
Annular stop side wall is equipped with, the outside of the movable inner sleeve cylinder is provided with annular stop projection, and the compression reseting spring is arranged
Raised and the wall of the annular stop side between in the annular stop.
Used as the improvement further of technique scheme, the conductive connecting piece for annular and is arranged at the movable inner sleeve
The outside of cylinder.
Compared with prior art, the invention has the beneficial effects as follows：
A kind of ultra-high-tension power transmission line ice-melt tracing system provided by the present invention, is knowing whether ultra-high-tension power transmission line is frozen to control
During electric-heating belt work processed, the mode of gravity sensing monitoring can be overcome easily to be subject to the problem of wind interference.
Description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is a kind of structural representation of ultra-high-tension power transmission line ice-melt tracing system of the present invention；
Fig. 2 is the structural representation of gravity sensing monitoring device of the present invention.
Specific embodiment
It is the structural representation of one specific embodiment of the present invention referring to figs. 1 to Fig. 2, Fig. 1 to Fig. 2.
As shown in Figure 1 to Figure 2, a kind of ultra-high-tension power transmission line ice-melt tracing system, including positioned at adjacent two power tower bars
Between overhead transmission line 20, the end of the overhead transmission line 20 is fixedly mounted on electricity by gravity sensing monitoring device
On power tower bar, ice-melt electric-heating belt 22 is provided with the overhead transmission line 20, is also set up on the overhead transmission line 20
There is current transformer 21, the current transformer 21, the gravity sensing monitoring device and the ice-melt electric-heating belt 22 are common
Constitute loop, and when 20 weight of the overhead transmission line increases the gravity sensing monitoring device to connect the electric current mutual
Electrical connection between sensor 21 and the ice-melt electric-heating belt 22.
Specifically, the gravity sensing monitoring device includes moving sleeve pipe 11, movable inner sleeve cylinder 12, inner sleeve piston
131 and flexible piston rods 13, and the gravity sensing monitoring device includes tower bar fixing end and electric wire fixing end, in the activity
Sleeve 12 is arranged in the moving sleeve pipe 11, and the movable inner sleeve cylinder 12 is fixed towards one end of the tower bar fixing end
The adjacent two power tower bars of connection, the moving sleeve pipe 11 is fixedly connected described built on stilts defeated towards one end of the electric wire fixing end
The end of electric line 20, the inner sleeve piston 131 is arranged in the movable inner sleeve cylinder 12, and the inner sleeve piston 131
On be provided with some hollow out oil-through holes 132, the flexible piston rods 13 towards the tower bar fixing end one end connection described interior
Sleeve piston 131, the flexible piston rods 13 pass through the end of the movable inner sleeve cylinder 12 towards one end of the electric wire fixing end
Wall is fixedly connected with the moving sleeve pipe 11, and the inner chamber of the movable inner sleeve cylinder 12 is enclosed construction and fills liquid lubrication
Oil, is provided with compression reseting spring 14, the moving sleeve pipe between the moving sleeve pipe 11 and the movable inner sleeve cylinder 12
It is provided with 11 for controlling the control for electrically connecting break-make between the current transformer 21 and the ice-melt electric-heating belt 22 to touch
Piece 1 and control contact 2 24, the outer surface of the movable inner sleeve cylinder 12 is provided with can connect control one 23 He of contact
The conductive connecting piece 122 of the control contact 2 24；The conductive connecting piece 122 under 14 normal condition of the compression reseting spring
Positioned at the control contact 1 and the control side of the contact 2 24 towards the electric wire fixing end.
Further, the movable inner sleeve cylinder 12 is provided with tower bar connecting rod 125 towards one end of the tower bar fixing end
With bobbin seal plug 124, described sleeve pipe sealing-plug 124 is tightly connected the end of the movable inner sleeve cylinder 12, institute by external screw thread
The one end for stating tower bar connecting rod 125 is fixedly connected power tower bar, and the other end of the tower bar connecting rod 125 is fixedly connected the set
Seal of tube plug 124.The movable inner sleeve cylinder 12 is provided with piston rod guide pin bushing 123 towards one end of the electric wire fixing end, described
One end of flexible piston rods 13 is fixedly connected the moving sleeve pipe 11 through the piston rod guide pin bushing 123.The moving sleeve
Pipe 11 is provided with installation fixing nut 112, the axial direction two for installing fixing nut 112 towards one end of the electric wire fixing end
End connects the flexible piston rods 13 and electric wire clamping head 113 respectively, and the electric wire clamping head 113 grips described built on stilts defeated
The end of electric line 20.The moving sleeve pipe 11 is provided with annular stop side wall 111 towards one end of the tower bar fixing end,
The outside of the movable inner sleeve cylinder 12 is provided with annular stop projection 121, and the compression reseting spring 14 is arranged at the annular
Between spacing preiection 121 and annular stop side wall 111.The conductive connecting piece 122 for annular and is arranged at the activity
The outside of inner sleeve 12.
When overhead transmission line 20 described in wind, one side wind-force is less to be difficult to overcome the compression reseting spring 14
Elastic force makes the conductive connecting piece 122 be moved to the left the connection control contact 1 and the control contact 2 24, the opposing party
Face wind-force is the power of non-standing, and the liquid lubricant short time in 12 inner chamber of movable inner sleeve cylinder is difficult to by some described
Hollow out oil-through hole 132 so that the distance that the conductive connecting piece 122 is moved to left is limited；Only when on the overhead transmission line 20
Freeze and weight excessive when, by lasting action of gravity, if the liquid lubricant in 12 inner chamber of movable inner sleeve cylinder by
The hollow out oil-through hole 132 is done, and overcomes the elastic force of the compression reseting spring 14 to be moved to the left the conductive connecting piece 122
The control contact 1 and the control contact 2 24 is connected, by 21 power taking of the current transformer and supplies the ice-melt
Electric-heating belt 22 carries out ice-melt operation.
Preferable enforcement to the present invention is illustrated above, and certainly, the present invention can also be adopted and above-mentioned enforcement
The different form of mode, those of ordinary skill in the art are in the conversion of the equivalent that is made without prejudice to present invention spirit on the premise of
Or corresponding change, should all belong in protection scope of the present invention.
Claims (7)
1. a kind of ultra-high-tension power transmission line ice-melt tracing system, it is characterised in that：Including between adjacent two power tower bars
Overhead transmission line（20）, the overhead transmission line（20）End electric power is fixedly mounted on by gravity sensing monitoring device
On tower bar, the overhead transmission line（20）On be provided with ice-melt electric-heating belt（22）, the overhead transmission line（20）Above also
It is provided with current transformer（21）, the current transformer（21）, the gravity sensing monitoring device and the ice-melt electric tracing
Band（22）Loop is collectively formed, and works as the overhead transmission line（20）When weight increases, the gravity sensing monitoring device can connect
Lead to the current transformer（21）With the ice-melt electric-heating belt（22）Between electrical connection.
2. a kind of ultra-high-tension power transmission line ice-melt tracing system according to claim 1, it is characterised in that：The gravity sensing
Monitoring device includes moving sleeve pipe（11）, movable inner sleeve cylinder（12）, inner sleeve piston（131）And flexible piston rods（13）, and
The gravity sensing monitoring device includes tower bar fixing end and electric wire fixing end, the movable inner sleeve cylinder（12）It is arranged at the work
Dynamic trocar sheath（11）In, and the movable inner sleeve cylinder（12）Adjacent two electric power are fixedly connected towards one end of the tower bar fixing end
Tower bar, the moving sleeve pipe（11）The overhead transmission line is fixedly connected towards one end of the electric wire fixing end（20）'s
End, the inner sleeve piston（131）It is arranged at the movable inner sleeve cylinder（12）In, and the inner sleeve piston（131）On set
It is equipped with some hollow out oil-through holes（132）, the flexible piston rods（13）Described interior towards one end connection of the tower bar fixing end
Sleeve piston（131）, the flexible piston rods（13）The movable inner sleeve cylinder is passed through towards one end of the electric wire fixing end
（12）End wall and the moving sleeve pipe（11）It is fixedly connected, the movable inner sleeve cylinder（12）Inner chamber be enclosed construction and filling
Full liquid lubricant, the moving sleeve pipe（11）With the movable inner sleeve cylinder（12）Between be provided with compression reseting spring
（14）, the moving sleeve pipe（11）On be provided with for controlling the current transformer（21）With the ice-melt electric-heating belt
（22）Between electrically connect break-make control contact one（23）With control contact two（24）, the movable inner sleeve cylinder（12）Outer surface
It is provided with and can connects the control contact one（23）With the control contact two（24）Conductive connecting piece（122）；The pressure
Contracting back-moving spring（14）The conductive connecting piece under normal condition（122）Positioned at the control contact one（23）Touch with the control
Piece two（24）Side towards the electric wire fixing end.
3. a kind of ultra-high-tension power transmission line ice-melt tracing system according to claim 2, it is characterised in that：The movable inner sleeve
Cylinder（12）One end of the tower bar fixing end is provided with tower bar connecting rod（125）With bobbin seal plug（124）, described sleeve pipe
Sealing-plug（124）The movable inner sleeve cylinder is tightly connected by external screw thread（12）End, the tower bar connecting rod（125）One
End is fixedly connected power tower bar, the tower bar connecting rod（125）The other end be fixedly connected described sleeve pipe sealing-plug（124）.
4. a kind of ultra-high-tension power transmission line ice-melt tracing system according to claim 2, it is characterised in that：The movable inner sleeve
Cylinder（12）One end of the electric wire fixing end is provided with piston rod guide pin bushing（123）, the flexible piston rods（13）One end
Through the piston rod guide pin bushing（123）It is fixedly connected the moving sleeve pipe（11）.
5. a kind of ultra-high-tension power transmission line ice-melt tracing system according to claim 2, it is characterised in that：The moving sleeve
Pipe（11）One end of the electric wire fixing end is provided with installation fixing nut（112）, the installation fixing nut（112）'s
Axial two ends connect the flexible piston rods respectively（13）With electric wire clamping head（113）, the electric wire clamping head（113）Clamping is solid
The fixed overhead transmission line（20）End.
6. a kind of ultra-high-tension power transmission line ice-melt tracing system according to claim 2, it is characterised in that：The moving sleeve
Pipe（11）One end of the tower bar fixing end is provided with annular stop side wall（111）, the movable inner sleeve cylinder（12）Outer
Side is provided with annular stop projection（121）, the compression reseting spring（14）It is arranged at annular stop projection（121）And institute
State annular stop side wall（111）Between.
7. a kind of ultra-high-tension power transmission line ice-melt tracing system according to claim 2, it is characterised in that：Described it is conductively connected
Piece（122）For annular and be arranged at the movable inner sleeve cylinder（12）Outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610812994.6A CN106451293B (en) | 2016-09-09 | 2016-09-09 | A kind of ultra-high-tension power transmission line ice-melt tracing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610812994.6A CN106451293B (en) | 2016-09-09 | 2016-09-09 | A kind of ultra-high-tension power transmission line ice-melt tracing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106451293A true CN106451293A (en) | 2017-02-22 |
| CN106451293B CN106451293B (en) | 2018-09-18 |
Family
ID=58167526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610812994.6A Active CN106451293B (en) | 2016-09-09 | 2016-09-09 | A kind of ultra-high-tension power transmission line ice-melt tracing system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106451293B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111884166A (en) * | 2020-08-11 | 2020-11-03 | 郑州妙灿智能科技有限公司 | Automatic snow and ice removing device capable of sensing snow accumulation condition of cable |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000092673A (en) * | 1998-09-08 | 2000-03-31 | Ngk Insulators Ltd | Snow-melting device for iron tower |
| CN101252056A (en) * | 2008-03-25 | 2008-08-27 | 肖明训 | Switch device of overhead electric power line compound wire automatic melting ice |
| CN101552051A (en) * | 2008-04-01 | 2009-10-07 | 康迪 | Microwave self-heating power cable and de-icing device applying same |
| CN202434987U (en) * | 2011-12-27 | 2012-09-12 | 塔城电力有限责任公司 | Ice melting device for transmission line |
| CN105866854A (en) * | 2015-12-21 | 2016-08-17 | 国网江西省电力科学研究院 | High-voltage power-transmission bus-line on-line automatic laser icing detection and ice melting system |
-
2016
- 2016-09-09 CN CN201610812994.6A patent/CN106451293B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000092673A (en) * | 1998-09-08 | 2000-03-31 | Ngk Insulators Ltd | Snow-melting device for iron tower |
| CN101252056A (en) * | 2008-03-25 | 2008-08-27 | 肖明训 | Switch device of overhead electric power line compound wire automatic melting ice |
| CN101552051A (en) * | 2008-04-01 | 2009-10-07 | 康迪 | Microwave self-heating power cable and de-icing device applying same |
| CN202434987U (en) * | 2011-12-27 | 2012-09-12 | 塔城电力有限责任公司 | Ice melting device for transmission line |
| CN105866854A (en) * | 2015-12-21 | 2016-08-17 | 国网江西省电力科学研究院 | High-voltage power-transmission bus-line on-line automatic laser icing detection and ice melting system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111884166A (en) * | 2020-08-11 | 2020-11-03 | 郑州妙灿智能科技有限公司 | Automatic snow and ice removing device capable of sensing snow accumulation condition of cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106451293B (en) | 2018-09-18 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180808 Address after: 236800 intersection of Tang Wang Road and Wei three road in Bo Wu industrial park, Bozhou, Anhui Applicant after: ANHUI YIFALA ELECTRICAL CO., LTD. Address before: 241080 3 E road, San Shan Economic Development Zone, Wuhu, Anhui Applicant before: Wuhu XuHui Electric New Material Co., Ltd. |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 236000 intersection of Tang Wang Road and Wei three road in Bo Wu modern industrial park, Bozhou, Anhui Patentee after: Anhui yifala Electric Co.,Ltd. Address before: 236800 intersection of Tang Wang Road and Wei three road in Bo Wu industrial park, Bozhou, Anhui Patentee before: ANHUI YIFALA ELECTRICAL Co.,Ltd. |
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| CP03 | Change of name, title or address |