CN203038739U - Pressure relief device of composite jacket arrester - Google Patents
Pressure relief device of composite jacket arrester Download PDFInfo
- Publication number
- CN203038739U CN203038739U CN 201220748703 CN201220748703U CN203038739U CN 203038739 U CN203038739 U CN 203038739U CN 201220748703 CN201220748703 CN 201220748703 CN 201220748703 U CN201220748703 U CN 201220748703U CN 203038739 U CN203038739 U CN 203038739U
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- Prior art keywords
- composite material
- pressure relief
- relief device
- insulating cylinder
- metal oxide
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Abstract
The utility model discloses a pressure relief device of a composite jacket arrester. The pressure relief device of the composite jacket arrester comprises a valve core sleeved on the composite jacket arrester and a composite material insulation cylinder extending along the length of the valve core. The inner wall of the composite material insulation cylinder tightly clings to the outer wall of the valve core, a plurality of pressure relief grooves are arranged on the outer wall of the composite material insulation cylinder, a silicone rubber insulation jacket is sleeved on the composite material insulation cylinder, the inner wall of the silicone rubber insulation jacket tightly clings to the outer wall of the composite material insulation cylinder and fills the plurality of pressure relief grooves. The pressure relief device of the composite jacket arrester enables internal pressure of the composite material insulation cylinder to be released in time when the internal pressure arrives at a prescribed pressure value, enables crushing explosion not to occur on the composite material insulation cylinder, and maintains integrity of a whole supporting structure of the pressure relief device.
Description
Technical field
The utility model relates to a kind of pressure relief device, particularly relates to a kind of polymeric housed metal oxide arrester pressure relief device.
Background technology
Along with power system development, to the power plant, the power supply reliability of electric substation and transmission line requires more and more higher, because lightning strike accident is increasing, especially at many thunders, the soil resistivity height, area with a varied topography, the accident that transmission line of lightning strike causes is higher, this not only influences the operate as normal of equipment, also greatly influenced people's normal life, bring enormous economic loss to society, in order to reduce the generation of lightning strike accident, improve the reliability of power supply, can lightning arrester be installed on the line realizes, the effect of lightning arrester is that various electric equipments are avoided lightning overvoltage in the protection electric power system, switching overvoltage, Frequency Transient Overvoltage is impacted and is damaged, lightning arrester can be divided into porcelain coat lightning arrester and polymeric housed metal oxide arrester according to structure, the porcelain insulating overcoat of porcelain coat lightning arrester bears mechanical load, inner chamber is resistor disc and gas medium, the end is equipped with pressure relief device, meet with that thunder and lightning or overvoltage are impacted and when causing resistor disc moment, part or all of flashover damaging, its inside will produce high temperature, gases at high pressure, if high temperature, gases at high pressure can not in time discharge, to cause the insulator lightning arrester to damage concurrent fecula fragility blast, the electric equipment around damaging simultaneously; A kind of polymeric housed metal oxide arrester adopts and cover silastic material outside the composite material insulating cylinder; resistor disc is sealed in the composite material insulating cylinder; the composite material insulating cylinder bears all mechanical loads; silastic material provides external insulation and protection composite material insulating cylinder not to be subjected to the influence of external environment and causes the reduction of performance; when polymeric housed metal oxide arrester meets with that thunder and lightning or overvoltage are impacted and when causing resistor disc moment, part or all of flashover damaging; to produce high temperature in the composite material insulating cylinder; gases at high pressure; if high temperature; gases at high pressure can not in time discharge, and will cause the composite material insulating cylinder to damage concurrent fecula fragility blast.
The utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of polymeric housed metal oxide arrester pressure relief device is provided.Press in time discharging when this polymeric housed metal oxide arrester pressure relief device can make the interior pressure of composite material insulating cylinder reach the authorized pressure value, make the composite material insulating cylinder that comminuted blast not take place, keep the complete of its integrated support structure.
For achieving the above object, the technical solution adopted in the utility model is: a kind of polymeric housed metal oxide arrester pressure relief device, it is characterized in that: the composite material insulating cylinder that comprises on the spool that is enclosed within polymeric housed metal oxide arrester and extend along the length of described spool, the inwall of described composite material insulating cylinder and the outer wall of described spool fit tightly, the outer wall of described composite material insulating cylinder is provided with a plurality of pressure release grooves, be with the silicon rubber insulation overcoat on the described composite material insulating cylinder, the outer wall of the inwall of described silicon rubber insulation overcoat and composite material insulating cylinder fits tightly and a plurality of described pressure release grooves is filled.
Above-mentioned a kind of polymeric housed metal oxide arrester pressure relief device is characterized in that: the strip groove of described pressure release groove for extending along the length of composite material insulating cylinder, the two ends of described pressure release groove are circular arc.
Above-mentioned a kind of polymeric housed metal oxide arrester pressure relief device is characterized in that: the length of described pressure release groove is 20mm～50mm, and width is 4mm～12mm, and the radius of described pressure release groove two terminal circle arc is 2mm～6mm.
Above-mentioned a kind of polymeric housed metal oxide arrester pressure relief device is characterized in that: a plurality of described pressure release grooves along the length direction of composite material insulating cylinder lay at interval and integral body twist.
Above-mentioned a kind of polymeric housed metal oxide arrester pressure relief device is characterized in that: the spacing along adjacent two pressure release grooves of composite material insulating cylinder length direction is 150mm～200mm.
Above-mentioned a kind of polymeric housed metal oxide arrester pressure relief device is characterized in that: the quantity of described pressure release groove is 4～12.
Above-mentioned a kind of polymeric housed metal oxide arrester pressure relief device is characterized in that: the distance between the bottom surface of described pressure release groove and the composite material insulating cylinder inwall is 3mm～6mm.
Above-mentioned a kind of polymeric housed metal oxide arrester pressure relief device, it is characterized in that: the outer wall of described silicon rubber insulation overcoat is provided with the full skirt for increasing creepage distance.
The utility model compared with prior art has the following advantages:
1, of the present utility model simple in structure, rationally novel in design, be easy to install.
2, the utility model is by arranging the pressure release groove, the pressure release groove was in time opened the release internal pressure when polymeric housed metal oxide arrester was broken down, keep the integrated support structure of composite material insulating cylinder not destroy simultaneously, guaranteed that comminuted blast does not take place polymeric housed metal oxide arrester.
3, realization cost of the present utility model is low, and result of use is good, is convenient to promote the use of.
In sum, the utility model is simple in structure, rationally novel in design, the functional reliability height, long service life is pressed in time discharging in the time of can making the interior pressure of composite material insulating cylinder reach the authorized pressure value, make the composite material insulating cylinder that comminuted blast not take place, keep the complete of its integrated support structure, result of use is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model composite material insulating cylinder.
Fig. 3 is the A-A cutaway view among Fig. 2.
Description of reference numerals:
1-pressure release groove; 2-silicon rubber insulation overcoat; 3-composite material insulating cylinder;
4-spool; 5-fluid sealant; 6-full skirt.
Embodiment
As Fig. 1, Fig. 2 and a kind of polymeric housed metal oxide arrester pressure relief device shown in Figure 3, the composite material insulating cylinder 3 that comprises on the spool 4 that is enclosed within polymeric housed metal oxide arrester and extend along the length of described spool 4, the outer wall of the inwall of described composite material insulating cylinder 3 and described spool 4 fits tightly, the outer wall of described composite material insulating cylinder 3 is provided with a plurality of pressure release grooves 1, be with silicon rubber insulation overcoat 2 on the described composite material insulating cylinder 3, the outer wall of the inwall of described silicon rubber insulation overcoat 2 and composite material insulating cylinder 3 fits tightly and a plurality of described pressure release grooves 1 is filled.
In the present embodiment, the outer wall of described spool 4 is one deck fluid sealant 5, and the quantity of described pressure release groove 1 is 4～12.The preferred mode of described composite material insulating cylinder 3 moulding is, be processed into structure and the shape of product design requirement with epoxy resin base glass fibre winding pipe, the distributed quantity that wherein twines the number of plies and horizontal and vertical fiber is determined according to the mechanical load that lightning arrester bears.The outer wall of described silicon rubber insulation overcoat 2 is provided with the full skirt 6 for increasing creepage distance.
As shown in Figures 2 and 3, described pressure release groove 1 is the strip groove that extends along the length of composite material insulating cylinder 3, and the two ends of described pressure release groove 1 are circular arc.
As shown in Figures 2 and 3, the length a of described pressure release groove 1 is 20mm～50mm, and width b is 4mm～12mm, and the radius of described pressure release groove 1 two terminal circle arc is 2mm～6mm.
As shown in Figure 2, a plurality of described pressure release grooves 1 along the length direction of composite material insulating cylinder 3 lay at interval and integral body twist.Spacing along adjacent two pressure release grooves 1 of composite material insulating cylinder 3 length directions is 150mm～200mm.
As shown in Figure 3, the distance c between the bottom surface of described pressure release groove 1 and composite material insulating cylinder 3 inwalls is 3mm～6mm.
In the present embodiment, the functional chip that described spool 4 is made up of zinc oxide nonlinear resistance slice and interior electrode etc., with fluid sealant 5 cast and be heating and curing, described fluid sealant 5 preferred epoxy are encapsulated in the desired position of product structure design of composite material insulating cylinder 3 inner chambers then.
In the present embodiment, by at composite material insulating cylinder 3 pressure release groove 1 being set, the loss of strength that 1 pair of composite material insulating cylinder 3 of pressure release groove causes is controlled minimum, when polymeric housed metal oxide arrester meets with that thunder and lightning or overvoltage are impacted and when causing spool 4 resistor discs moment, part or all of flashover damaging, pressure release groove 1 is in time opened, discharge the high temperature of composite material insulating cylinder 3 inside, gases at high pressure, keep the integrated support structure of composite material insulating cylinder 3 not destroy simultaneously, guaranteed that comminuted blast does not take place polymeric housed metal oxide arrester, guarantee electric equipment safe operation around the polymeric housed metal oxide arrester and the personnel's of tour safety, it is little to have volume simultaneously, in light weight, good airproof performance, creepage distance is big, resistant is dirty, compact conformation, avoid advantages such as maintenance.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment does, all still belong in the protection range of technical solutions of the utility model.
Claims (8)
1. polymeric housed metal oxide arrester pressure relief device, it is characterized in that: the composite material insulating cylinder (3) that comprises that the spool (4) that is enclosed within polymeric housed metal oxide arrester is gone up and extend along the length of described spool (4), the outer wall of the inwall of described composite material insulating cylinder (3) and described spool (4) fits tightly, the outer wall of described composite material insulating cylinder (3) is provided with a plurality of pressure release grooves (1), be with silicon rubber insulation overcoat (2) on the described composite material insulating cylinder (3), the outer wall of the inwall of described silicon rubber insulation overcoat (2) and composite material insulating cylinder (3) fits tightly and a plurality of described pressure release grooves (1) is filled.
2. a kind of polymeric housed metal oxide arrester pressure relief device according to claim 1, it is characterized in that: the strip groove of described pressure release groove (1) for extending along the length of composite material insulating cylinder (3), the two ends of described pressure release groove (1) are circular arc.
3. a kind of polymeric housed metal oxide arrester pressure relief device according to claim 2, it is characterized in that: the length of described pressure release groove (1) is 20mm～50mm, width is 4mm～12mm, and the radius of described pressure release groove (1) two terminal circle arc is 2mm～6mm.
4. a kind of polymeric housed metal oxide arrester pressure relief device according to claim 1 is characterized in that: a plurality of described pressure release grooves (1) along the length direction of composite material insulating cylinder (3) lay at interval and integral body twist.
5. a kind of polymeric housed metal oxide arrester pressure relief device according to claim 4 is characterized in that: the spacing along adjacent two pressure release grooves (1) of composite material insulating cylinder (3) length direction is 150mm～200mm.
6. a kind of polymeric housed metal oxide arrester pressure relief device according to claim 1, it is characterized in that: the quantity of described pressure release groove (1) is 4～12.
7. a kind of polymeric housed metal oxide arrester pressure relief device according to claim 1, it is characterized in that: the distance between the bottom surface of described pressure release groove (1) and composite material insulating cylinder (3) inwall is 3mm～6mm.
8. a kind of polymeric housed metal oxide arrester pressure relief device according to claim 1, it is characterized in that: the outer wall of described silicon rubber insulation overcoat (2) is provided with the full skirt (6) for increasing creepage distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748703 CN203038739U (en) | 2012-12-30 | 2012-12-30 | Pressure relief device of composite jacket arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748703 CN203038739U (en) | 2012-12-30 | 2012-12-30 | Pressure relief device of composite jacket arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203038739U true CN203038739U (en) | 2013-07-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220748703 Expired - Lifetime CN203038739U (en) | 2012-12-30 | 2012-12-30 | Pressure relief device of composite jacket arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203038739U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878084A (en) * | 2018-06-25 | 2018-11-23 | 国网湖南省电力有限公司 | Explosion-proof lightning arrester |
| CN109291575A (en) * | 2018-08-22 | 2019-02-01 | 中国航发北京航空材料研究院 | A kind of surfacecti proteon type conducing composite material and preparation method thereof |
| CN116844806A (en) * | 2023-06-19 | 2023-10-03 | 大连法伏安电器有限公司 | Double-layer explosion-proof device of composite outer sleeve lightning arrester and forming method thereof |
-
2012
- 2012-12-30 CN CN 201220748703 patent/CN203038739U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878084A (en) * | 2018-06-25 | 2018-11-23 | 国网湖南省电力有限公司 | Explosion-proof lightning arrester |
| CN108878084B (en) * | 2018-06-25 | 2023-10-31 | 国网湖南省电力有限公司 | Explosion-proof lightning arrester |
| CN109291575A (en) * | 2018-08-22 | 2019-02-01 | 中国航发北京航空材料研究院 | A kind of surfacecti proteon type conducing composite material and preparation method thereof |
| CN116844806A (en) * | 2023-06-19 | 2023-10-03 | 大连法伏安电器有限公司 | Double-layer explosion-proof device of composite outer sleeve lightning arrester and forming method thereof |
| CN116844806B (en) * | 2023-06-19 | 2024-02-06 | 大连法伏安电器有限公司 | Double-layer explosion-proof device of composite outer sleeve lightning arrester and forming method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: XI'AN CHAOMA COMPOSITE MATERIALS CO., LTD. Free format text: FORMER NAME: XIAN CHAOMA COMPOSITE MATERIALS CO. |
|
| CP03 | Change of name, title or address |
Address after: Room 2, No. 710075, science and Technology Industrial Park, No. 32, unity South Road, high tech Zone, Shaanxi, Xi'an, China Patentee after: XI'AN CHAOMA COMPOSITE MATERIALS Co.,Ltd. Address before: 710075 Shaanxi Province, Xi'an city high road is the first building a blue character unit a layer of 10120 Patentee before: Xi'an Chaoma Composite Materials Co. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20180507 Address after: 710089 42 aviation nine road, National Aviation hi tech industrial base, Yanliang District, Xi'an, Shaanxi Patentee after: XI'AN CARBON MATERIALS Co.,Ltd. Address before: 710075 502, room 2, space science and Technology Industrial Park, 32 Tuen Nan Road, Xi'an new and high tech Zone, Shaanxi Patentee before: XI'AN CHAOMA COMPOSITE MATERIALS Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130703 |
|
| CX01 | Expiry of patent term |