CN204257302U - A kind of novel arrester with gaps formula line insulator - Google Patents
A kind of novel arrester with gaps formula line insulator Download PDFInfo
- Publication number
- CN204257302U CN204257302U CN201420134358.9U CN201420134358U CN204257302U CN 204257302 U CN204257302 U CN 204257302U CN 201420134358 U CN201420134358 U CN 201420134358U CN 204257302 U CN204257302 U CN 204257302U
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- CN
- China
- Prior art keywords
- block group
- valve block
- overcoat
- line insulator
- arrester
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to technical field of power transmission equipment, discloses a kind of novel arrester with gaps formula line insulator.This arrester with gaps formula line insulator comprises: valve block group, plug, overcoat, gap, filler and annex; Wherein, valve block group is the significant components of lightning arrester in this arrester with gaps formula line insulator, and it is hollow; Plug plays the effect of line insulator, its two ends gold utensil and connected mode consistent with Composite Insulators, plug is through the valve block group of hollow; Overcoat is enclosed within outside valve block group, has space between overcoat and valve block group, this fill gaps filler; Gap is positioned within overcoat, and be made up of two electrodes and medium, one end of one of them electrode and valve block group is electrically connected, and another electrode and high voltage or ground voltage are electrically connected.
Description
Technical field
The utility model relates to ultra-high-tension power transmission line auxiliary equipment, particularly a kind of line insulator of arrester with gaps formula.
Background technology
Ultra-high-tension power transmission line is generally made up of steel tower, wire, insulator, and wherein one end of insulator hangs on steel tower, and the other end hangs wire.Insulator plays two basic roles in overhead transmission line, i.e. support wire and prevent electric current from returning ground.In normal working conditions; insulator can play the effect of support wire and insulation; but be struck by lightning or switching overvoltage time transmission line usually can trip; also insulator arc-over is often caused to discharge; namely when overvoltage exceedes the design load that insulator can bear; insulator by electric arc burn, even will make porcelain insulator or glass insulator be wounded and smashes.Transmission line tripping operation has a power failure and will bring very big inconvenience to the productive life of people, causes larger economic loss, changes the insulator damaged and also can expend larger manpower, material resources and financial resources.In order to protect insulator; normal work can be kept; normally use lightning arrester in parallel with insulator on the line; but lightning arrester can only play the effect of lightning protection, support wire can not be used for, bear pulling force; and its weight and volume larger; be not easy to install, also increase the load of circuit and steel tower simultaneously, make line facility complicated.Therefore, develop a kind of device simultaneously with insulator and lightning arrester function with satisfied use needs, become the major issue that those skilled in the art are urgently to be resolved hurrily.
Utility model content
Given this, the utility model provides a kind of novel arrester with gaps formula line insulator, makes it have the function of lightning arrester and insulator simultaneously, and has longer useful life.
Following technical scheme is provided for realizing the utility model:
A kind of novel arrester with gaps formula line insulator, comprise valve block group, plug, overcoat, gap, filler and annex, it is characterized in that, described gap is positioned within described overcoat, the one end in described gap and one end electrical communication of described valve block group, described valve block group and described gap are hollow, and empty internal is through described plug.
Described plug is epoxy spike pulling, its two ends gold utensil and connected mode consistent with Composite Insulators.
Described overcoat is the composite sheath of silicon rubber external insulation, or porcelain overcoat.
Described valve block group is overall structure, or can be divided into multiple sub-valve block group, and each valve block group is made up of zinc oxide valve plate and backing metal, and described zinc oxide valve plate and described backing metal are all hollow.
Described gap can be positioned at separately within one section of overcoat, also can be positioned within one section of overcoat together with described valve block group.
Described gap is made up of two electrodes and medium; One end electrical communication of one of them electrode and valve block group, another electrode can be communicated with high voltage electrical, or and ground voltage electrical communication.
Described overcoat is overall, or segmentation, there is described filler the gap of described jacket internal, and described filler can be air, nitrogen, silicon rubber, insulating paste thing or other insulating material.
The part valve block group of described valve block group or described valve block group is positioned within described overcoat.Described medium can be air, SF6 gas, other insulating gass or vacuum.
Preferably, gold utensil side, described plug two ends is steel tower side ball-and-socket, and side is side of wire bulb.
Preferably, described annex comprises flange and hermetically-sealed construction.
Preferably, described valve block group is multiple metal oxide valve blocks be through on described plug.
Preferably, the voltage gradient of described metal oxide valve block is more than or equal to 250V/mm.
Preferably, described plug is glass fibre leading-drawing rod.
As can be seen from technique scheme, the novel arrester with gaps formula line insulator that the utility model provides, comprises valve block group, plug, overcoat, gap, filler and annex.Wherein, valve block group is the significant components of lightning function; Plug has good mechanical performance, can support wire and prevent electric current return ground; Overcoat is coated with valve block group and gap; Gap and valve block group are all hollow, and plug is through gap and valve block group; Gap comprises two electrodes and medium, and two electrodes are positioned at jacket internal.By arranging sparking electrode to lightning arrester, forming discharging gap, making valve block group be unlikely to bear voltage for a long time, reduce its chargeability, extend the useful life of valve block group.Two electrodes are arranged in overcoat, make arrester with gaps formula line insulator tailored appearance neat, be convenient to transport and install.
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 only 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.
The structural representation of the arrester with gaps formula line insulator that Fig. 1 and Fig. 2 provides for the utility model embodiment.
Embodiment
The utility model provides a kind of arrester with gaps formula line insulator, to reach the function making it have insulator and lightning arrester simultaneously, and has the object in longer useful life.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 and Fig. 2, the structural representation of the arrester with gaps that Fig. 1 and Fig. 2 provides for the utility model embodiment.
The utility model provides a kind of arrester with gaps formula line insulator, comprises valve block group 1, plug 2, overcoat 3, gap 4, filler 5 and annex 6 and forms.
Wherein, valve block group 1 is the significant components of lightning function; Plug 2 has good mechanical performance, can support wire and prevent electric current return ground; Overcoat 3 is coated with valve block group 1 and gap 4; Gap 4 and valve block group 1 are all hollow, and plug is through gap 4 and valve block group 1; Gap 4 comprises two electrodes and medium, and two electrodes are positioned at overcoat 3 inside.Filler 5 is positioned at the gap of overcoat 3, plays a part insulation.Filler can be air, nitrogen, silicon rubber, paste or other insulating material.Annex 6 is made up of flange and seal member.
Compared with prior art, the arrester with gaps formula line insulator that the utility model provides, gap 4 comprises two electrodes 8,9 and medium 7, two electrodes 8,9 are positioned at overcoat 3 inside.By arranging sparking electrode to lightning arrester, forming discharging gap, making valve block group 1 be unlikely to bear voltage for a long time, reduce its chargeability, extend the useful life of valve block group 1.Two electrodes 8,9 are arranged in overcoat 3, make arrester with gaps formula line insulator tailored appearance neat, be convenient to transport and install.
In the utility model embodiment, plug 2 is glass fibre leading-drawing rod, glass fibre leading-drawing rod is made up by pulling of the primary raw material such as epoxy resin and glass fibre and other additives, has the high mechanical strength of machine direction and good dielectric property.Gold utensil one end, plug 2 two ends is steel tower side ball-and-socket, and the other end is side of wire bulb.Have flange for fixing and sealing at ball-and-socket end, bulb end also has some annexes for sealing.Whole internal structure is all sealing, prevents inner valve block group 1 and gap 4 from making moist.
Overcoat 3 can be overall, and see Fig. 1, valve block group 1 and gap 4 are all within same overcoat, and outside seal.Overcoat 3 can be also segmentation, and see Fig. 2, valve block group is in one section of overcoat, and gap is positioned at another section of overcoat.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a novel arrester with gaps formula line insulator, comprise valve block group (1), plug (2), overcoat (3), gap (4), filler (5) and annex (6), it is characterized in that, described gap (4) is positioned within described overcoat (3), the one end in described gap (4) and one end electrical communication of described valve block group (1), described valve block group (1) and described gap (4) are hollow, and empty internal is through described plug (2).
2. a kind of novel arrester with gaps formula line insulator according to claim 1, it is characterized in that, described plug (2) is epoxy spike pulling, its two ends gold utensil and connected mode consistent with Composite Insulators.
3. a kind of novel arrester with gaps formula line insulator according to claim 1, it is characterized in that, described overcoat (3) is the composite sheath of silicon rubber external insulation, or porcelain overcoat.
4. a kind of novel arrester with gaps formula line insulator according to claim 1, it is characterized in that, described valve block group (1) is overall structure, or multiple sub-valve block group can be divided into, each valve block group (1) is made up of zinc oxide valve plate and backing metal, and described zinc oxide valve plate and described backing metal are all hollow.
5. a kind of novel arrester with gaps formula line insulator according to claim 1, it is characterized in that, described gap (4) can be positioned at separately within one section of overcoat (3), also can be positioned within one section of overcoat (3) together with described valve block group (1).
6. a kind of novel arrester with gaps formula line insulator according to claim 1, it is characterized in that, described gap (4) are made up of two electrodes (8), (9) and medium (7); One end electrical communication of one of them electrode and valve block group (1), another electrode can be communicated with high voltage electrical, or and ground voltage electrical communication.
7. a kind of novel arrester with gaps formula line insulator according to claim 3, it is characterized in that, described overcoat (3) is overall, or segmentation, there is described filler (5) gap of described overcoat (3) inside, and described filler (5) can be air, nitrogen, silicon rubber, insulating paste thing or other insulating material.
8. a kind of novel arrester with gaps formula line insulator according to claim 4, is characterized in that the part valve block group of described valve block group (1) or described valve block group (1) is positioned within described overcoat (3).
9. a kind of novel arrester with gaps formula line insulator according to claim 6, is characterized in that described medium (7) can be air, SF6 gas, other insulating gass or vacuum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420134358.9U CN204257302U (en) | 2014-03-21 | 2014-03-21 | A kind of novel arrester with gaps formula line insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420134358.9U CN204257302U (en) | 2014-03-21 | 2014-03-21 | A kind of novel arrester with gaps formula line insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204257302U true CN204257302U (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420134358.9U Expired - Fee Related CN204257302U (en) | 2014-03-21 | 2014-03-21 | A kind of novel arrester with gaps formula line insulator |
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| Country | Link |
|---|---|
| CN (1) | CN204257302U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113823470A (en) * | 2021-09-09 | 2021-12-21 | 西安交通大学 | Zinc oxide lightning arrester with controllable part adopting small-diameter valve plate |
-
2014
- 2014-03-21 CN CN201420134358.9U patent/CN204257302U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113823470A (en) * | 2021-09-09 | 2021-12-21 | 西安交通大学 | Zinc oxide lightning arrester with controllable part adopting small-diameter valve plate |
| CN113823470B (en) * | 2021-09-09 | 2022-07-12 | 西安交通大学 | Zinc oxide lightning arrester with controllable part adopting small-diameter valve plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DD01 | Delivery of document by public notice |
Addressee: Beijing Nobbel Electric Tech Develop Co., Ltd. Document name: Notification to Make Rectification |
|
| 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: 20150408 Termination date: 20210321 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |