CN205039501U - A draw connecting device down for ground wire ice -melt - Google Patents
A draw connecting device down for ground wire ice -melt Download PDFInfo
- Publication number
- CN205039501U CN205039501U CN201520861751.2U CN201520861751U CN205039501U CN 205039501 U CN205039501 U CN 205039501U CN 201520861751 U CN201520861751 U CN 201520861751U CN 205039501 U CN205039501 U CN 205039501U
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- Prior art keywords
- high voltage
- stage high
- isolating switch
- ground wire
- ice
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- 238000002844 melting Methods 0.000 claims description 32
- 239000004020 conductor Substances 0.000 claims description 9
- 230000004888 barrier function Effects 0.000 claims description 8
- 239000012212 insulator Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a draw connecting device down for ground wire ice -melt, include: the outer housing box body, be located internal first single -stage high voltage isolator of outer housing box and second single -stage high voltage isolator, first single -stage high voltage isolator's input is connected with second single -stage high voltage isolator's input electricity, and the ground net of ice -melt shaft tower is connected to first single -stage high voltage isolator's output electricity, and the ice -melt ground wire is connected to first single -stage high voltage isolator's input electricity, and ice -melt equipment is connected to second single -stage high voltage isolator's output electricity. Under non - ice -melt state, first single -stage high voltage isolator is closed, the disconnection of second single -stage high voltage isolator, and the reliable ground is guaranteed to the ground net of ice -melt ground connection ice -melt shaft tower, when carrying out the ice -melt, break off first single -stage high voltage isolator, closed second single -stage high voltage isolator, ice -melt ground connection ice -melt equipment to the mesh of ice -melt is carried out in the realization to the ground wire.
Description
Technical field
The utility model relates to electric power network ice-melt field, particularly relates to a kind of for drawing jockey under ground wire deicing.
Background technology
Current power supply grid, the easy icing of transmission line when temperature is lower, thus power transmission line passing load, insulator string icing flashover, conductor galloping and uneven icing may be caused or do not deice accident the same period, thus cause huge economic loss and serious social influence.
Along with the day by day maturation of de-icing technology for overhead transmission line, ground wire icing recovers the bottleneck of tripping operation circuit question after becoming ice damage.Overhead ground wire ice coverage can cause very large harm to transmission line, as disconnected stock, broken string appear in overhead ground wire under the effect of ice load, the ground wire possibility fractureed is unsettled or directly ride on transmission line, easily causes transmission line to ground wire electric discharge or direct short-circuit fault etc.After ice-melt implemented by wire, wire recovers normal sag because of the release of ice load, and ground wire is owing to cannot implement deicing, and the distance between itself and wire may be less than safe distance, and this will cause the electric discharge between lead wire and earth wire even directly to be discharged.At present, namely the means conventional for ground wire deicing carry out insulating transformation to overhead ground wire, apply current heating and make coating ice falling to ground wire.
But ground wire needs reliable ground at ordinary times, the pattern of wants ice-melt loop again when ice-melt, therefore, in the improvement project of ground wire deicing, how to make ground wire reliable ground at ordinary times, can conveniently form ice-melt loop when ice-melt, be the current technical issues that need to address of those skilled in the art.
Utility model content
The purpose of this utility model is to provide a kind of for drawing jockey under ground wire deicing, can make ground wire reliable ground at ordinary times, can conveniently form ice-melt loop when ice-melt.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
Draw a jockey under ground wire deicing, comprising:
Container body of outer cover;
Be positioned at the first single-stage high voltage isolating switch and the second single-stage high voltage isolating switch of described container body of outer cover, the input of described first single-stage high voltage isolating switch is electrically connected with the input of described second single-stage high voltage isolating switch, the ground network of the output electrical connection ice-melt shaft tower of described first single-stage high voltage isolating switch, the input electrical connection ice-melting ground wire of described first single-stage high voltage isolating switch, the output electrical connection ice-melting device of described second single-stage high voltage isolating switch.
Preferably, described first single-stage high voltage isolating switch and described second single-stage high voltage isolating switch are all fixed on described container body of outer cover by insulator.
Preferably, described container body of outer cover is provided with Qianmen, and described first single-stage high voltage isolating switch is all fixed on the rear wall relative with described Qianmen with described second single-stage high voltage isolating switch.
Preferably, described rear wall is provided with insulating barrier, and described first single-stage high voltage isolating switch and described second single-stage high voltage isolating switch are all fixed on described insulating barrier.
Preferably, the base plate of described container body of outer cover is provided with the entrance hole of predetermined number.
Preferably, described first single-stage high voltage isolating switch is all connected with corresponding external device by cable with described second single-stage high voltage isolating switch, and described cable is through corresponding described entrance hole.
Preferably, the sealing ring of the entrance hole after for hermetically passing cable is also comprised.
Preferably, the output of described second single-stage high voltage isolating switch is provided with the bonding conductor sheet for connecting ice-melting device, and described bonding conductor sheet is provided with coupling bar.
Compared with prior art, technique scheme has the following advantages:
Provided by the utility model a kind of for drawing jockey under ground wire deicing, under non-ice-melt operating state, first single-stage high voltage isolating switch closes, second single-stage high voltage isolating switch disconnects, now ice-melting ground wire connects the ground network of ice-melt shaft tower by the first single-stage high voltage isolating switch, makes ground wire reliable ground; When needs ground wire deicing, disconnect the first single-stage high voltage isolating switch, closed second single-stage high voltage isolating switch, now ice-melting ground wire connects ice-melting device by the second single-stage high voltage isolating switch, to realize the object of ground wire being carried out to ice-melt, switching this as required for drawing the different switches in jockey under ground wire deicing, making ground wire reliable ground at ordinary times, can conveniently form ice-melt loop when ice-melt, carry out ground wire deicing.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 for a kind of embodiment of the utility model provide for drawing jockey structural representation under ground wire deicing.
Embodiment
Core of the present utility model is to provide a kind of for drawing jockey under ground wire deicing, can make ground wire reliable ground at ordinary times, can conveniently form ice-melt loop when ice-melt.
In order to enable above-mentioned purpose of the present utility model, feature and advantage more become apparent, and are described in detail embodiment of the present utility model below in conjunction with accompanying drawing.
Set forth detail in the following description so that fully understand the utility model.But the utility model can be different from alternate manner described here to implement with multiple, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension.Therefore the utility model is not by the restriction of following public embodiment.
Please refer to Fig. 1, Fig. 1 for a kind of embodiment of the utility model provide for drawing jockey structural representation under ground wire deicing.
In a kind of embodiment of the present utility model, a kind of for drawing jockey under ground wire deicing, comprising: container body of outer cover 1; Be positioned at the first single-stage high voltage isolating switch 2 and the second single-stage high voltage isolating switch 3 of described container body of outer cover, the input of described first single-stage high voltage isolating switch 2 is electrically connected with the input of described second single-stage high voltage isolating switch 3, the ground network of the output electrical connection ice-melt shaft tower of described first single-stage high voltage isolating switch 2, the input electrical connection ice-melting ground wire of described first single-stage high voltage isolating switch 2, the output electrical connection ice-melting device of described second single-stage high voltage isolating switch 3.
Wherein, described ice-melting device refers to the equipment such as external ice-melt power supply, and described ice-melting ground wire refers to the tower-mounted ground wire needing to carry out ice-melt of bar.Under non-ice-melt operating state, the first single-stage high voltage isolating switch closes, and the second single-stage high voltage isolating switch disconnects, and now ice-melting ground wire connects the ground network of ice-melt shaft tower by the first single-stage high voltage isolating switch, makes ground wire reliable ground; When needs ground wire deicing, disconnect the first single-stage high voltage isolating switch, closed second single-stage high voltage isolating switch, now ice-melting ground wire connects ice-melting device by the second single-stage high voltage isolating switch, to realize the object of ground wire being carried out to ice-melt, switching this as required for drawing the different switches in jockey under ground wire deicing, making ground wire reliable ground at ordinary times, can conveniently form ice-melt loop when ice-melt, carry out ground wire deicing.
It should be noted that, when carrying out ice-melt to double earth wire ice melting system, jockey is drawn under arranging two, be respectively and draw jockey for first time and draw jockey second time, wherein, draw the input of input electrical connection ice-melting ground wire first ground wire of the first single-stage high voltage isolating switch of jockey for first time, draw the positive terminal of the output electrical connection ice-melting device of the second single-stage high voltage isolating switch of jockey for first time, draw the output of input electrical connection ice-melting ground wire second ground wire of the first single-stage high voltage isolating switch of jockey for second time, draw the negative pole end of the output electrical connection ice-melting device of the second single-stage high voltage isolating switch of jockey for second time, the output of the first ground wire is connected with the input of the second ground wire, this makes ice melting current draw jockey by ice-melting device output through first time, first ground wire, second ground wire and draw jockey second time and return ice-melting device, form an ice-melt loop.
Also it should be noted that, under draw the first single-stage high voltage isolating switch in jockey and the second single-stage high voltage isolating switch number be all 2.Two the first single-stage high voltage isolating switches are electrically connected two links of ice-melting ground wire respectively, and two the second single-stage high voltage isolating switches are electrically connected the both positive and negative polarity of ice-melting device respectively.
Also it should be noted that, the output of the first described ground wire only refers to one end that the first ground wire is connected with the second ground wire, can be arranged on any position of the first ground wire as required, might not be the end of the first ground wire; Equally, the input of the second ground wire refers to one end that the second ground wire is connected with the first ground wire, might not be the end of the second ground wire.
Also it should be noted that, due to parts each in container body of outer cover, especially the first single-stage high voltage isolating switch and the second single-stage high voltage isolating switch may be connected with high-tension electricity, therefore, when operating, operating personnel need to wear insulating gloves or use insulating bar to operate.
In a kind of execution mode of the utility model, in order to ensure that ice-melting ground wire can normally work, described first single-stage high voltage isolating switch and described second single-stage high voltage isolating switch are all fixed on described container body of outer cover by insulator.Wherein, the two ends of each single-stage high voltage isolating switch are fixed on container body of outer cover respectively by an insulator.In order to ensure each part insulates in container body of outer cover, further, in container body of outer cover, a sidewall arranging insulating barrier, each insulator is fixed on this insulating barrier.Conveniently operating personnel carry out ice-melt operation, and described container body of outer cover is provided with Qianmen, and preferably described first single-stage high voltage isolating switch is all fixed on the rear wall relative with described Qianmen with described second single-stage high voltage isolating switch.Therefore, described rear wall is provided with insulating barrier, and described first single-stage high voltage isolating switch and described second single-stage high voltage isolating switch are all fixed on described insulating barrier.
It should be noted that, in order to ensure useful life for drawing jockey under ground wire deicing and ice-melt safety, draw jockey under whole to need to ensure rain and snow, anti-corrosion and insulation, therefore, container body of outer cover should select the material of the stainless steel of waterproof etc. or other waterproof as far as possible.
In order to ensure rain and snow, the base plate of described container body of outer cover is provided with the entrance hole of predetermined number.Wherein, described first single-stage high voltage isolating switch is all connected with corresponding external device by cable with described second single-stage high voltage isolating switch, and described cable is through corresponding described entrance hole.Also be provided with the sealing ring of the entrance hole after for hermetically passing cable further.
Entrance hole is arranged on the base plate of container body of outer cover, can ensure that sleet etc. can not flow in container body of outer cover via entrance hole to greatest extent like this, and the setting of sealing ring, steam etc. can be avoided to enter container body of outer cover, thus prevent moisture corrosion box house part or cause short circuit.
Conveniently the second single-stage high voltage isolating switch connects external ice-melting device etc., and the output of described second single-stage high voltage isolating switch is provided with the bonding conductor sheet for connecting ice-melting device, and described bonding conductor sheet is provided with coupling bar.Wherein, described conductor piece can adopt pure cu conductor, and at plating nickel on surface, coupling bar is stainless steel bolt, can ensure good conductivity, can ensure again to have good corrosion resistance.
In sum, what the utility model execution mode provided draws jockey under ground wire deicing, under non-ice-melt operating state, first single-stage high voltage isolating switch closes, second single-stage high voltage isolating switch disconnects, now ice-melting ground wire connects the ground network of ice-melt shaft tower by the first single-stage high voltage isolating switch, makes ground wire reliable ground; When needs ground wire deicing, disconnect the first single-stage high voltage isolating switch, closed second single-stage high voltage isolating switch, now ice-melting ground wire connects ice-melting device by the second single-stage high voltage isolating switch, to realize the object of ground wire being carried out to ice-melt, switching this as required for drawing the different switches in jockey under ground wire deicing, making ground wire reliable ground at ordinary times, can conveniently form ice-melt loop when ice-melt, carry out ground wire deicing.
Above to the utility model provide a kind of for drawing the detailed introduction of jockey under ground wire deicing.Apply specific case herein to set forth principle of the present utility model and execution mode, the explanation of above embodiment just understands the utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection range of the utility model claim.
Claims (8)
1. draw a jockey under ground wire deicing, it is characterized in that, comprising:
Container body of outer cover;
Be positioned at the first single-stage high voltage isolating switch and the second single-stage high voltage isolating switch of described container body of outer cover, the input of described first single-stage high voltage isolating switch is electrically connected with the input of described second single-stage high voltage isolating switch, the ground network of the output electrical connection ice-melt shaft tower of described first single-stage high voltage isolating switch, the input electrical connection ice-melting ground wire of described first single-stage high voltage isolating switch, the output electrical connection ice-melting device of described second single-stage high voltage isolating switch.
2. according to claim 1ly it is characterized in that for drawing jockey under ground wire deicing, described first single-stage high voltage isolating switch and described second single-stage high voltage isolating switch are all fixed on described container body of outer cover by insulator.
3. according to claim 2 for drawing jockey under ground wire deicing, it is characterized in that, described container body of outer cover is provided with Qianmen, and described first single-stage high voltage isolating switch is all fixed on the rear wall relative with described Qianmen with described second single-stage high voltage isolating switch.
4. according to claim 3ly it is characterized in that for drawing jockey under ground wire deicing, described rear wall is provided with insulating barrier, and described first single-stage high voltage isolating switch and described second single-stage high voltage isolating switch are all fixed on described insulating barrier.
5. according to any one of Claims 1-4 for drawing jockey under ground wire deicing, it is characterized in that, the base plate of described container body of outer cover is provided with the entrance hole of predetermined number.
6. according to claim 5 for drawing jockey under ground wire deicing, it is characterized in that, described first single-stage high voltage isolating switch is all connected with corresponding external device by cable with described second single-stage high voltage isolating switch, and described cable is through corresponding described entrance hole.
7. according to claim 6ly to it is characterized in that for drawing jockey under ground wire deicing, also comprising the sealing ring of the entrance hole after for hermetically passing cable.
8. according to claim 7ly it is characterized in that for drawing jockey under ground wire deicing, the output of described second single-stage high voltage isolating switch is provided with the bonding conductor sheet for connecting ice-melting device, and described bonding conductor sheet is provided with coupling bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520861751.2U CN205039501U (en) | 2015-10-30 | 2015-10-30 | A draw connecting device down for ground wire ice -melt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520861751.2U CN205039501U (en) | 2015-10-30 | 2015-10-30 | A draw connecting device down for ground wire ice -melt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205039501U true CN205039501U (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520861751.2U Expired - Fee Related CN205039501U (en) | 2015-10-30 | 2015-10-30 | A draw connecting device down for ground wire ice -melt |
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| CN (1) | CN205039501U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512179A (en) * | 2018-06-12 | 2018-09-07 | 国家电网有限公司 | Ground wire deicing device |
-
2015
- 2015-10-30 CN CN201520861751.2U patent/CN205039501U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512179A (en) * | 2018-06-12 | 2018-09-07 | 国家电网有限公司 | Ground wire deicing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 |
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| CF01 | Termination of patent right due to non-payment of annual fee |