CN209625949U - A kind of 35kV exchange plug-in gapless metal-oxide lighting arrester - Google Patents
A kind of 35kV exchange plug-in gapless metal-oxide lighting arrester Download PDFInfo
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- CN209625949U CN209625949U CN201822076936.9U CN201822076936U CN209625949U CN 209625949 U CN209625949 U CN 209625949U CN 201822076936 U CN201822076936 U CN 201822076936U CN 209625949 U CN209625949 U CN 209625949U
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- arrester
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Abstract
The utility model discloses a kind of 35kV to exchange plug-in gapless metal-oxide lighting arrester, core including metal shell and in metal shell, the core includes resistance label group and conducting rod and outlet terminal that resistance label group both ends are separately connected, the resistance label group high-voltage end is equipped with grading ring, the conducting rod is bored equipped with external carbuncle corresponding with the internal stress cone on inner cone insulator, and liquid silicon rubber layer is equipped between the core and metal shell.The arrester field distribution is uniform, classical insulation is excellent.
Description
Technical field
The utility model belongs to Zinc-Oxide Arrester technical field, and in particular to a kind of 35kV exchange plug-in gapless gold
Belong to Oxide Arrester.
Background technique
35kV exchange plug-in gapless metal-oxide lighting arrester is mainly used in 40.5kV C-GIS, for protecting
Breaker guarantees that switchgear can work normally from switching overvoltage.Metal shell is used outside plug-pull arrester product
Full-shield is coupled using solid insulation, tangible, antistatic, easy to use, reliable performance.It is used different from conventional power plant
Arrester, plug-pull arrester are reserved by unique interior conehead design and C-GIS in such a way that metal shell is directly grounded
Inner cone insulator cooperation, electrical connection is realized in arrester end in the form of fingertip, because its unique earthing mode causes
The field distribution of arrester is extremely uneven, and the nonuniformity coefficient of resistor disc is larger, and high-voltage end resistor disc chargeability is higher, influences electricity
The ageing properties of piece are hindered, and then greatly shorten the service life of arrester.
Utility model content
The utility model aims to solve the shortcomings of the prior art, a kind of 35kV exchange plug-in is provided continuously
Gap metal oxide arrester, the arrester field distribution is uniform, classical insulation is excellent.
A kind of 35kV exchanges plug-in gapless metal-oxide lighting arrester, including metal shell and is located in metal shell
Core, the core includes resistance label group, the conducting rod and outlet terminal that are separately connected with resistance label group both ends, described
Resistance label group high-voltage end is equipped with grading ring, and the conducting rod is equipped with outside corresponding with the internal stress cone on inner cone insulator and answers
Power cone, is equipped with liquid silicon rubber layer between the core and metal shell.
The liquid silicon rubber layer high-voltage end stretches out metal shell, outside the liquid silicon rubber layer high-voltage end fluid silicone rubber
Size is slightly larger than chamber size in corresponding electro-insulating rubber.
The liquid silicon rubber layer high-voltage end fluid silicone rubber is equipped with annular groove, is equipped in the annular groove and ring
The annular fastener that connected in star matches, the annular fastener are equipped with the annular preform of integrally connected.
The flange of the metal shell is equipped with the annular groove being caught in for annular preform, and the flange, which is equipped with, compresses annular
The pressure pad of tabletting, the pressure pad periphery are equipped with truncated cone-shaped shell.
The flange is truncated cone-shaped, and pressure pad, which is buckled in, to be played the role of being fixed temporarily on flange.
The liquid silicon rubber layer outer surface is uniformly coated with conductive adhesive layer.
The outlet terminal end of the metal shell is equipped with pressure relief device.
The pressure relief device include be evenly arranged on liquid silicon rubber layer outlet terminal one end the release of several pressure it is logical
Hole and the pressing plate being sleeved on outlet terminal, the pressing plate are equipped with several gas vents, and the pressing plate passes through annular hollow plate
It is fitted on metal shell.
The arrester technical characterstic of the utility model is as follows:
1) the utility model, which stretches out on the partial high pressure end fluid silicone rubber of metal shell, is arranged annular fastener and annular pressure
Piece is easily installed annular fastener and annular preform, and annular preform is located in flange annular groove, the inner cavity of truncated cone-shaped shell and method
Orchid, which matches, to be pressed on flange, plays the role of being fixed temporarily righting liquid silicon rubber layer, pressure pad is equipped with and flange through-hole
Corresponding hole passes through pressure pad convenient for screw rod；
2) metal shell structure is used outside product, when operation is directly grounded.Unit of an arrester is by resistance label group and newly
Type fluid silicone rubber vulcanizes.Fluid silicone rubber lower half portion is coated in core group, and top half is coated on conducting rod.
3) high-voltage end fluid silicone rubber shape is slightly larger than corresponding inner cone insulator sizes, and interference fit guarantees that contact is good
It is good, avoid product that shelf depreciation scene occurs.
4) fluid silicone rubber sleeve surface (removing inner cone insulator surface) uniformly smears one layer of conducting resinl, guarantees metal shell
It is effectively contacted with conducting resinl.
5) arrester conducting rod is equipped with stress wimble structure, and grading ring is arranged in core group high-pressure side, so as to improve arrester electricity
Field distribution keeps field distribution uniform, reduces the nonuniformity coefficient of resistor disc.
6) arrester low-pressure end uses unique pressure relief device, guarantees that product pressure is smoothly released by channel.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model elastic cylindrical pin righting mechanism.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples.
Embodiment one: as shown in Figure 1, a kind of 35kV exchanges plug-in gapless metal-oxide lighting arrester, including metal
Shell 3 and the core 5 in metal shell 3, the core 5 connect respectively including resistance label group, with resistance label group both ends
The conducting rod 12 and outlet terminal 1 connect, the resistance label group high-voltage end be equipped with grading ring 6, the conducting rod 12 be equipped with
The corresponding external carbuncle cone 9 of internal stress cone 9-1 on inner cone insulator 11, is equipped with liquid-state silicon between the core 5 and metal shell
Rubber layer 4.
4 high-voltage end of liquid silicon rubber layer stretches out metal shell 3, the liquid silicon rubber layer high-voltage end fluid silicone rubber
8 outside dimensions are slightly larger than chamber size in corresponding inner cone insulator dielectric rubber 10.
The liquid silicon rubber layer outer surface is uniformly coated with conductive adhesive layer.
The outlet terminal end of the metal shell is equipped with pressure relief device.
The pressure relief device include be evenly arranged on liquid silicon rubber layer outlet terminal one end the release of several pressure it is logical
Hole 2 and the pressing plate 2-1, the pressing plate 2-1 being sleeved on outlet terminal are equipped with several gas vents, and the pressing plate passes through annular
Hollow plate 2-2 is fitted on metal shell.
Embodiment two: as illustrated in fig. 1 and 2, a kind of 35kV exchange plug-in gapless metal-oxide lighting arrester, including gold
Belong to shell 3 and the core 5 in metal shell 3, the core 5 includes that resistance label group and resistance label group both ends are distinguished
The conducting rod 12 and outlet terminal 1 of connection, the resistance label group high-voltage end are equipped with grading ring 6, and the conducting rod 12 is equipped with
External carbuncle cone 9 corresponding with the internal stress cone 9-1 on inner cone insulator 11, is equipped with liquid between the core 5 and metal shell
Silastic-layer 4.
4 high-voltage end of liquid silicon rubber layer stretches out metal shell 3, the liquid silicon rubber layer high-voltage end fluid silicone rubber
8 outside dimensions are slightly larger than chamber size in corresponding inner cone insulator dielectric rubber 10.
The liquid silicon rubber layer high-voltage end is equipped with annular groove, is equipped in the annular groove and matches with annular groove
Annular fastener 14, it is described annular fastener 14 be equipped with integrally connected annular preform 15.
The flange 16 of the metal shell is equipped with the annular groove being caught in for annular preform 15, and the flange, which is equipped with, to be compressed
The pressure pad 13 of annular preform, 13 periphery of pressure pad are equipped with truncated cone-shaped shell 17.
The flange is truncated cone-shaped, and truncated cone-shaped shell, which is buckled in, to be played the role of being fixed temporarily on flange, and the more presses the more tight, described
Truncated cone-shaped shell is equipped with several openings, and after truncated cone-shaped shell is buckled in and compresses on flange, truncated cone-shaped shell is not subject to crushing.
The liquid silicon rubber layer outer surface is uniformly coated with conductive adhesive layer.
Embodiment three: as illustrated in fig. 1 and 2, a kind of 35kV exchange plug-in gapless metal-oxide lighting arrester, including gold
Belong to shell 3 and the core 5 in metal shell 3, the core 5 includes that resistance label group and resistance label group both ends are distinguished
The conducting rod 12 and outlet terminal 1 of connection, the resistance label group high-voltage end are equipped with grading ring 6, and the conducting rod 12 is equipped with
External carbuncle cone 9 corresponding with the internal stress cone 9-1 on inner cone insulator 11, is equipped with liquid between the core 5 and metal shell
Silastic-layer 4.
4 high-voltage end of liquid silicon rubber layer stretches out metal shell 3, the liquid silicon rubber layer high-voltage end fluid silicone rubber
8 outside dimensions are slightly larger than chamber size in corresponding inner cone insulator dielectric rubber 10.
The liquid silicon rubber layer high-voltage end is equipped with annular groove, is equipped in the annular groove and matches with annular groove
Annular fastener 14, it is described annular fastener 14 be equipped with integrally connected annular preform 15.
The flange 16 of the metal shell is equipped with the annular groove being caught in for annular preform 15, and the flange, which is equipped with, to be compressed
The pressure pad 13 of annular preform, 13 periphery of pressure pad are equipped with truncated cone-shaped shell 17.
The flange is truncated cone-shaped, and truncated cone-shaped shell, which is buckled in, to be played the role of being fixed temporarily on flange, and the more presses the more tight, described
Truncated cone-shaped shell is equipped with several openings, and after truncated cone-shaped shell is buckled in and compresses on flange, truncated cone-shaped shell is not subject to crushing.
The liquid silicon rubber layer outer surface is uniformly coated with conductive adhesive layer.
The outlet terminal end of the metal shell is equipped with pressure relief device.
The pressure relief device include be evenly arranged on liquid silicon rubber layer outlet terminal one end the release of several pressure it is logical
Hole 2 and the pressing plate 2-1, the pressing plate 2-1 being sleeved on outlet terminal are equipped with several gas vents, and the pressing plate passes through annular
Hollow plate 2-2 is fitted on metal shell.
The arrester technical characterstic of the utility model is as follows:
1) the utility model, which stretches out on the partial high pressure end fluid silicone rubber of metal shell, is arranged annular fastener and annular pressure
Piece is easily installed annular fastener and annular preform, and annular preform is located in flange annular groove, the inner cavity of truncated cone-shaped shell and method
Orchid, which matches, to be pressed on flange, plays the role of being fixed temporarily righting liquid silicon rubber layer, pressure pad is equipped with and flange through-hole
Corresponding hole passes through pressure pad convenient for screw rod 7；
2) metal shell structure is used outside product, when operation is directly grounded.Unit of an arrester is by resistance label group and newly
Type fluid silicone rubber vulcanizes.Fluid silicone rubber lower half portion is coated in core group, and top half is coated on conducting rod.
3) high-voltage end fluid silicone rubber shape is slightly larger than corresponding inner cone insulator sizes, and interference fit guarantees that contact is good
It is good, avoid product that shelf depreciation scene occurs.
4) fluid silicone rubber sleeve surface (removing inner cone insulator surface) uniformly smears one layer of conducting resinl, guarantees metal shell
It is effectively contacted with conducting resinl.
5) arrester conducting rod is equipped with stress wimble structure, and grading ring is arranged in core group high-pressure side, so as to improve arrester electricity
Field distribution keeps field distribution uniform, reduces the nonuniformity coefficient of resistor disc.
6) arrester low-pressure end uses unique pressure relief device, guarantees that product pressure is smoothly released by channel.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, this field
Other modifications or equivalent replacement that those of ordinary skill makes the technical solution of the utility model, it is practical without departing from this
The spirit and scope of new technique scheme should all cover in the scope of the claims of the utility model.
Claims (8)
1. a kind of 35kV exchanges plug-in gapless metal-oxide lighting arrester, it is characterised in that: including metal shell and be located at
Core in metal shell, the core include resistance label group, the conducting rod being separately connected with resistance label group both ends and go out
Line terminals, the resistance label group high-voltage end are equipped with grading ring, and the conducting rod is equipped with and the internal stress on inner cone insulator
Corresponding external carbuncle cone is bored, liquid silicon rubber layer is equipped between the core and metal shell.
2. 35kV as described in claim 1 exchanges plug-in gapless metal-oxide lighting arrester, it is characterised in that: the liquid
State silastic-layer high-voltage end stretches out metal shell, and the liquid silicon rubber layer high-voltage end fluid silicone rubber outside dimension is slightly larger than correspondence
Electro-insulating rubber in chamber size.
3. 35kV as claimed in claim 2 exchanges plug-in gapless metal-oxide lighting arrester, it is characterised in that: the liquid
State silastic-layer high-voltage end fluid silicone rubber is equipped with annular groove, is equipped in the annular groove and to match with annular groove
Annular fastener, the annular fastener are equipped with the annular preform of integrally connected.
4. 35kV as claimed in claim 3 exchanges plug-in gapless metal-oxide lighting arrester, it is characterised in that: the gold
The flange for belonging to shell is equipped with the annular groove being caught in for annular preform, and the flange is equipped with the pressure pad for compressing annular preform, institute
Pressure pad periphery is stated equipped with truncated cone-shaped shell.
5. 35kV as claimed in claim 4 exchanges plug-in gapless metal-oxide lighting arrester, it is characterised in that: the method
Orchid is truncated cone-shaped.
6. 35kV as claimed in claim 5 exchanges plug-in gapless metal-oxide lighting arrester, it is characterised in that: the liquid
State silastic-layer outer surface is uniformly coated with conductive adhesive layer.
7. 35kV as claimed in claim 6 exchanges plug-in gapless metal-oxide lighting arrester, it is characterised in that: the gold
The outlet terminal end for belonging to shell is equipped with pressure relief device.
8. 35kV as claimed in claim 7 exchanges plug-in gapless metal-oxide lighting arrester, it is characterised in that: the pressure
Power release device includes being evenly arranged on several pressure release through-hole of liquid silicon rubber layer outlet terminal one end and being sleeved on outlet
Pressing plate on terminal, the pressing plate are equipped with several gas vents, and the pressing plate is fitted in metal shell by annular hollow plate
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822076936.9U CN209625949U (en) | 2018-12-11 | 2018-12-11 | A kind of 35kV exchange plug-in gapless metal-oxide lighting arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822076936.9U CN209625949U (en) | 2018-12-11 | 2018-12-11 | A kind of 35kV exchange plug-in gapless metal-oxide lighting arrester |
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| Publication Number | Publication Date |
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| CN209625949U true CN209625949U (en) | 2019-11-12 |
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| CN201822076936.9U Active CN209625949U (en) | 2018-12-11 | 2018-12-11 | A kind of 35kV exchange plug-in gapless metal-oxide lighting arrester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114242358A (en) * | 2021-12-07 | 2022-03-25 | 西安西电避雷器有限责任公司 | Separable lightning arrester and manufacturing method thereof |
-
2018
- 2018-12-11 CN CN201822076936.9U patent/CN209625949U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114242358A (en) * | 2021-12-07 | 2022-03-25 | 西安西电避雷器有限责任公司 | Separable lightning arrester and manufacturing method thereof |
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