CN103456432B - Insulator and high-voltage switch with same - Google Patents
Insulator and high-voltage switch with same Download PDFInfo
- Publication number
- CN103456432B CN103456432B CN201310026442.9A CN201310026442A CN103456432B CN 103456432 B CN103456432 B CN 103456432B CN 201310026442 A CN201310026442 A CN 201310026442A CN 103456432 B CN103456432 B CN 103456432B
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- China
- Prior art keywords
- outward flange
- sealing
- insulator
- voltage switch
- sides
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- 239000012212 insulator Substances 0.000 title claims abstract description 49
- 238000007789 sealing Methods 0.000 claims abstract description 62
- 238000001514 detection method Methods 0.000 claims abstract description 38
- 238000005266 casting Methods 0.000 claims abstract description 4
- 238000012360 testing method Methods 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 4
- 238000009792 diffusion process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- VMQPMGHYRISRHO-UHFFFAOYSA-N benzvalene Chemical group C1=CC2C3C1C32 VMQPMGHYRISRHO-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Abstract
The invention relates to the field of high-voltage electrical equipment, in particular to an insulator and a high-voltage switch with the insulator. The insulator comprises a middle insert, a casting piece and an external flange. The two sides of the out-turning edge of the casting piece are respectively provided with a sealing ring groove, the two sides of the external flange are respectively provided with a sealing portion used for being matched with a corresponding high-voltage switch cylinder body in a sealing mode, a detecting channel is formed in the external flange, the detecting channel is provided with communicating openings located at the two sides of the external flange and detecting openings communicated with the communicating openings, each communicating opening is formed in the position between one sealing portion and one sealing ring groove, and the detecting openings are used for being matched with corresponding leak detecting devices and sealed by bolts arranged in the leak detecting devices; damage in any position of a sealing ring can be detected from the positions of the detecting openings, and due to the fact that the leak detecting devices conduct one-by-one detection on the detecting openings, the reliability of a detection result can be guaranteed. The insulator solves the problems that an existing insulator wastes time and labor in the process of leak detection and the sealing performance cannot be guaranteed when the existing insulator is used.
Description
Technical field
The present invention relates to high voltage electric equipment field, especially a kind of insulator and being pressed off using the height of this insulator
Close.
Background technology
Insulator (being divided into benzvalene form, disc type etc.) is one of extremely common part in high pressure equipment, its use when often
Can be assembled between two high-voltage switch gear cylinders, and need the sealing at strict guarantee and the cooperation of high-voltage switch gear cylinder
Can, at present, the sealing cooperation between insulator and high-voltage switch gear cylinder all to be realized by sealing ring, and specific implementation will
Structure in conjunction with insulator to illustrate, insulator includes the middle insert part of inner ring, be located at the outward flange of outer ring and be connected to
Between between inserts and outward flange, trumpet-shaped cast, have at the outer rim of cast outer turn edge, outward flange around and fixation
In the outer outer rim that turns edge of cast, middle insert part, cast and outer ring flange constitute basin shape or dish type, wherein cast together
The outer two sides turning edge on be respectively equipped with seal groove, during assembling, the both sides of described insulator are crushed on two high-voltage switch gears
Cylinder outer turn edge between, sealing ring is just located in described seal groove, thus by the portion in high-voltage switch gear cylinder with extraneous
Cut-off, if the design of sealing ring, improper use, can directly result in insulator and lose with the sealing at the cooperation of high-voltage switch gear cylinder
Effect, using the initial stage, if design, using appropriate, sealing ring is to can be very good to ensure joining of high-voltage switch gear cylinder and insulator
Sealing property at conjunction, but after use after a while, aging along with sealing ring similarly can make insulator
Seal failure and high-voltage switch gear cylinder between, and high-voltage switch gear cylinder and the sealing at the cooperation of insulator were once lost efficacy, will
Most likely result in the generation of accident.Therefore whether detection sealing ring is effectively the necessary means avoiding accident to occur.
In prior art, the detection to the sealing ring between high-voltage switch gear cylinder and insulator is to be set by corresponding leak detection
For carry out, its concrete operation method is to detect one week along at the cooperation of high-voltage switch gear cylinder and insulator, thus close to guarantee
Sealing property at each position of seal, but this leak detection mode not only wastes time and energy, and can be because the shadow of detection environment
Ring and lead to the unreliability of testing result, for example, when carrying out detecting work in the environment have air flow, testing result
Naturally it is inaccurate.
In sum, current insulator has when using that leak detection is wasted time and energy and sealing property cannot ensure asks
Topic.
Content of the invention
It is an object of the invention to provide a kind of insulator, time-consuming to solve the presence leak detection when using of current insulator
The problem that laborious and sealing property cannot ensure.
Meanwhile, the present invention also aims to providing the high-voltage switch gear using above-mentioned insulator.
In order to solve the above problems, the insulator of the present invention employs the following technical solutions: insulator, including middle insert part,
Cast and outward flange, the outer rim of cast have outer turn edge, the described outer both sides turning edge are respectively provided with seal groove, outer method
It is respectively provided with blue both sides outer rim for the sealing with the sealing cooperation of corresponding high-voltage switch gear cylinder, and set in outward flange
There is sense channel, sense channel has the connected entrance and the detection mouth connecting with described connected entrance positioned at outward flange both sides, even
Port is located at the position between sealing and seal groove in the corresponding side of outward flange, and detection mouth is used for and corresponding leak detection
Equipment coordinates and is wherein equipped with bolt, is pressed with interfacial seal circle between the bolt head of bolt and outward flange.
At least side of outward flange is provided with away air drain, and flat grooved ring arranges around cast and is located at the sealing of outward flange
Between portion and cast, the connected entrance positioned at outward flange homonymy directly connects with walking air drain.
Be equipped with the two sides of outward flange described walk air drain, the air drain of walking on outward flange two sides is run through outer
The through hole connection of flange two sides, the connected entrance of described sense channel is made up of the two-port of this through hole.
Described walk air drain section be in v shape.
The detection mouth of described sense channel is located on the outer peripheral face of outward flange.
The high-voltage switch gear of the present invention employs the following technical solutions: high-voltage switch gear, including at least two high-voltage switch gear cylinders with
And it is located at insulator between two high-voltage switch gear cylinders, described insulator includes middle insert part, cast and outward flange, casting
The outer of part turns edge and outward flange is all fitted between two high-voltage switch gear cylinders, and cast is passed through located at its outer the close of both sides that turn edge
Seal seals cooperation with corresponding high-voltage switch gear cylinder, is respectively provided with and corresponding high-voltage switch gear cylinder at the both sides outer rim of outward flange
The sealing of body sealing cooperation, and in outward flange, it is provided with sense channel, sense channel has the connection positioned at outward flange both sides
Mouthful and the detection mouth that connect with described connected entrance, connected entrance be located in the corresponding side of outward flange sealing and seal groove it
Between position at, detection mouth is used for the cooperation of corresponding leak test plant and is wherein equipped with bolt, the bolt head of bolt with outer
It is pressed with interfacial seal circle between flange.
At least side of outward flange is provided with away air drain, and flat grooved ring arranges around cast and is located at the sealing of outward flange
Between portion and cast, the connected entrance positioned at outward flange homonymy directly connects with walking air drain.
Be equipped with the two sides of outward flange described walk air drain, the air drain of walking on outward flange two sides is run through outer
The through hole connection of flange two sides, the connected entrance of described sense channel is made up of the two-port of this through hole.
Described walk air drain section be in v shape.
The detection mouth of described sense channel is located on the outer peripheral face of outward flange.
Due to the insulator of the present invention be respectively provided with the both sides outer rim of its outward flange for corresponding high-voltage switch gear
The sealing of cylinder sealing cooperation, and is provided with sense channel in outward flange, sense channel have the connected entrance interpenetrating and
Detection mouth, and connected entrance is located at position between sealing and seal groove on the both sides of outward flange, and detection mouth is used for
Coordinate and the bolt seal by wherein assembling with corresponding leak test plant, therefore, can be by the sealing of outward flange when using
Portion, by the connected entrance cut-off of external environment and sense channel, when needing to carry out leak detection work, can pass through corresponding leak test plant
Detection mouth cooperation with sense channel is detected, sealing ring damage at an arbitrary position all can be detected at this position
Coming, further, since be that leak test plant is one-to-one to detection mouth detecting, also greatly reducing surrounding to testing result
Impact it is ensured that testing result reliability it can be seen that, the insulator of the present invention solves current insulator when using
The problem that the leak detection existing is wasted time and energy and sealing property cannot ensure.
Further, walk air drain be more conducive to gas diffusion, thus can make the damage gas leakage of sealing ring be more prone to by
Detect；Using section be in v shape walk the impact that air drain can reduce the intensity walking air drain external flange；Inspection by sense channel
After survey mouth is on the outer peripheral face of outward flange, leak detection work can be made to become to be more prone to carry out.
Brief description
Fig. 1 is a kind of structural representation (locally) of embodiment of the insulator of the present invention；
Fig. 2 is a kind of structural representation (locally) of embodiment of the high-voltage switch gear of the present invention.
Specific embodiment
A kind of embodiment of the insulator of the present invention, as shown in figure 1, include middle insert part 11, cast 12 and outer method
Blue 13, the outer rim of cast 12 have outer turn edge, this outer both sides turning edge is respectively provided with seal groove 101, during use, can be at this
Assemble sealing ring in seal groove 101, insulator and the sealing at the cooperation of corresponding high-voltage switch gear cylinder are ensured with this, from
And prevent the gas in high-voltage switch gear cylinder from leaking, it is respectively provided with for pressing off with corresponding height at the both sides outer rim of outward flange 13
Close the sealing of cylinder sealing cooperation, in the present embodiment, the sealing of outward flange 13 offers dust seal ring recess 102, makes
Used time can arrange dust-proof seal ring in dust seal ring recess 102 and seal cooperation, outward flange 13 with corresponding high-voltage switch gear cylinder
In be additionally provided with sense channel 103, sense channel 103 has the connected entrance interpenetrating and detection mouth, in the present embodiment, this detection
Passage 103 is made up of two holes being distributed in t font, and two sides and its two-port position of outward flange 13 is run through in one of hole
Between the sealing and the seal groove 101 of cast of outward flange 13, the two-port in this hole constitutes the connection of sense channel 103
Mouthful, the external port in another one hole is located on the outer peripheral face of outward flange 13, and it is used for coordinating with corresponding leak test plant to carry out
Leak detection work, herein it is pointed out that between the seal groove 101 of the cast 12 of insulator and the sealing of outward flange 13
Position use when be all between corresponding high-voltage switch gear cylinder exist breathe freely gap, therefore by sense channel 103
When connected entrance is located at the position between seal groove 101 and the sealing of outward flange 13, if being located at close in seal groove 101
Seal damages at an arbitrary position, then can be detected by detection mouth, for the ease of the diffusion of gas, the both sides of outward flange
Air drain 104 is further respectively had away on face, walks air drain 104 and arrange around cast, in the present embodiment, walk the section shape of air drain 104
Shape is v shape, and the connected entrance of sense channel 103 is just located at away in air drain 104, when not carrying out hunting leak work, sense channel 103
Detection mouth is sealed by bolt 14, and in this enforcement, bolt 14 Screw assembly is in detection mouth and its bolt head and outward flange
Also it is pressed with interfacial seal circle 15 and sealing ring guard shield 16 between outer peripheral face, to be ensured at the cooperation that bolt 14 is with outward flange with this
Positive sealing.
In the other embodiments of the insulator of the present invention, the inspection of the sense channel described in above-described embodiment of insulator
Survey mouth and may be located on the side of outward flange, in such cases it is only necessary to make outward flange protrude phase slightly in a radial direction when using
The high-voltage switch gear cylinder answered；Described walk air drain can also omit.
A kind of embodiment of the high-voltage switch gear of the present invention, as shown in Fig. 2 including two high-voltage switch gear cylinders 201 and setting
The structure of the embodiment of the insulator 202 between two high-voltage switch gear cylinders, the structure of this insulator 202 and above-mentioned insulator
Identical, the cast of insulator 202 is passed through to seal with corresponding high-voltage switch gear cylinder located at the sealing ring 203 of its outer both sides that turn edge
Cooperation, outward flange passes through dust ring 204 and the sealing cooperation of high-voltage switch gear cylinder of setting in its dust seal ring recess.
Claims (8)
1. insulator, including middle insert part, cast and outward flange, the outer rim of cast have outer turn edge, described outer turn edge
Both sides be respectively provided with the first seal groove it is characterised in that be respectively provided with the both sides outer rim of outward flange for corresponding
The sealing of high-voltage switch gear cylinder sealing cooperation, sealing offers dust seal ring recess, and is provided with detection in outward flange
Passage, sense channel has the connected entrance and the detection mouth connecting with described connected entrance positioned at outward flange both sides, and connected entrance exists
On the sealing of outward flange and positioned between dust seal ring recess and the first seal groove, detection mouth is used for and corresponding leak detection
Equipment coordinates and is wherein equipped with bolt, is pressed with interfacial seal circle between the bolt head of bolt and outward flange；Outward flange
At least side is provided with away air drain, and the connected entrance positioned at outward flange homonymy directly connects with walking air drain；The company of described sense channel
Port is located at away in air drain；On the direction towards corresponding high-voltage switch gear cylinder, close corresponding to described first seal groove
Form top-down hierarchic structure, described hierarchic structure is located at casting between sealing surface corresponding to front cover and dust-proof seal ring
Part and the junction of outward flange.
2. insulator according to claim 1 is it is characterised in that be equipped with described flat on the two sides of outward flange
Groove, the air drain of walking on outward flange two sides is connected by the through hole running through outward flange two sides, the connection of described sense channel
Mouth is made up of the two-port of this through hole.
3. insulator according to claim 1 it is characterised in that described walk air drain section be in v shape.
4. the insulator according to any one of claim 1-3 is it is characterised in that the detection mouth of described sense channel is positioned at outer
On the outer peripheral face of flange.
5. high-voltage switch gear, the insulator including at least two high-voltage switch gear cylinders and between two high-voltage switch gear cylinders, institute
State insulator and include middle insert part, cast and outward flange, outer the turning edge of cast is all fitted in two high pressure with outward flange
Between switch cylinder, the first sealing ring that cast is passed through located at its outer both sides that turn edge is joined with the sealing of corresponding high-voltage switch gear cylinder
Close it is characterised in that being respectively provided with the sealing with the sealing cooperation of corresponding high-voltage switch gear cylinder at the both sides outer rim of outward flange,
Dust seal ring recess is offered on sealing, and in outward flange, is provided with sense channel, sense channel has positioned at outward flange two
The connected entrance of side and the detection mouth connecting with described connected entrance, connected entrance and is located at dust-proof close on the sealing of outward flange
Between seal and the first seal groove, detection mouth is used for the cooperation of corresponding leak test plant and is wherein equipped with bolt, bolt
Bolt head and outward flange between be pressed with interfacial seal circle；At least side of outward flange is provided with away air drain, positioned at outward flange
The connected entrance of homonymy directly connects with walking air drain；The connected entrance of described sense channel is located at away in air drain；Towards corresponding height
Compress switch on the direction of cylinder, the sealing surface corresponding to described first seal groove with corresponding to dust-proof seal ring sealing surface it
Between form top-down hierarchic structure, described hierarchic structure is located at the junction of cast and outward flange.
6. high-voltage switch gear according to claim 5 is it is characterised in that be equipped with described flat on the two sides of outward flange
Groove, the air drain of walking on outward flange two sides is connected by the through hole running through outward flange two sides, the connection of described sense channel
Mouth is made up of the two-port of this through hole.
7. high-voltage switch gear according to claim 5 it is characterised in that described walk air drain section be in v shape.
8. the high-voltage switch gear according to any one of claim 5-7 is it is characterised in that the detection mouth of described sense channel is located at
On the outer peripheral face of outward flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310026442.9A CN103456432B (en) | 2013-01-24 | 2013-01-24 | Insulator and high-voltage switch with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310026442.9A CN103456432B (en) | 2013-01-24 | 2013-01-24 | Insulator and high-voltage switch with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103456432A CN103456432A (en) | 2013-12-18 |
| CN103456432B true CN103456432B (en) | 2017-01-25 |
Family
ID=49738700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310026442.9A Active CN103456432B (en) | 2013-01-24 | 2013-01-24 | Insulator and high-voltage switch with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103456432B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4420970A (en) * | 1980-04-17 | 1983-12-20 | Alsthom-Atlantique | Apparatus for checking for leaks from metal-clad high-tension electric gear |
| CN102057548A (en) * | 2008-06-05 | 2011-05-11 | 日本Ae帕瓦株式会社 | Insulating spacer for gas-insulated electrical equipment |
| CN203134480U (en) * | 2013-01-24 | 2013-08-14 | 河南平高电气股份有限公司 | Insulator and high voltage switch using insulator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05146035A (en) * | 1991-11-18 | 1993-06-11 | Hitachi Ltd | Gas insulation equipment |
| JPH07122145A (en) * | 1993-10-26 | 1995-05-12 | Toshiba Corp | Insulating spacer |
-
2013
- 2013-01-24 CN CN201310026442.9A patent/CN103456432B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4420970A (en) * | 1980-04-17 | 1983-12-20 | Alsthom-Atlantique | Apparatus for checking for leaks from metal-clad high-tension electric gear |
| CN102057548A (en) * | 2008-06-05 | 2011-05-11 | 日本Ae帕瓦株式会社 | Insulating spacer for gas-insulated electrical equipment |
| CN203134480U (en) * | 2013-01-24 | 2013-08-14 | 河南平高电气股份有限公司 | Insulator and high voltage switch using insulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103456432A (en) | 2013-12-18 |
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| C14 | Grant of patent or utility model | ||
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