CN202678009U - Lightning arrester for 800-kv extra-high-voltage direct current transmission project converter valve - Google Patents
Lightning arrester for 800-kv extra-high-voltage direct current transmission project converter valve Download PDFInfo
- Publication number
- CN202678009U CN202678009U CN 201220285167 CN201220285167U CN202678009U CN 202678009 U CN202678009 U CN 202678009U CN 201220285167 CN201220285167 CN 201220285167 CN 201220285167 U CN201220285167 U CN 201220285167U CN 202678009 U CN202678009 U CN 202678009U
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- Prior art keywords
- lightning arrester
- extra
- current transmission
- voltage direct
- converter valve
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/12—Overvoltage protection resistors
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- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermistors And Varistors (AREA)
Abstract
The utility model discloses a lightning arrester for an 800-kv extra-high-voltage direct current transmission project converter valve. The lightning arrester for the 800-kv extra-high-voltage direct current transmission project converter valve comprises a lightning arrester element and corona-prevention rings at two ends, wherein the lightning arrester element is composed of a composite outer sleeve, a resistor stem, sealing mechanisms at two ends and a pressure releasing mechanism, and the resistor stem is composed of eight resistor disc columns in parallel connection. The lightning arrester adopts the design that a plurality of the resistor disc columns are arranged in the composite outer sleeve and are connected in parallel, the structure is compact, the total size of the lightning arrester is reduced, the pressure releasing structure is reasonable, and the pressure releasing of the lightning arrester is reliable and accurate in movement. The sealing mechanisms adopt modified ethylene propylene diene monomer rectangular-section sealing rings with large area and high sealing performance to achieve dual-surface sealing, the mechanical strength of the composite outer sleeve is improved, and excellent sealing performance is provided.
Description
Technical field
The utility model relates to electrical equipment technical field, relates in particular to a kind of 800kV extra-high voltage direct-current transmission engineering converter valve lightning arrester.
Background technology
The direct current gapless metal-oxide lighting arrester is protection extra-high voltage DC transmission system converter valve; and then the important protection equipment of the normal operation of assurance transmission system; normally it is parallel to protected electric equipment next door, is used for preventing that the electric equipment of protecting from exempting from thunder and lightning, switching overvoltage infringement.At present the overvoltage protection of current conversion station is to adopt the outer and structures of a plurality of lightning arresters in the extra-high voltage direct-current transmission engineering, and two or four also connect, and resistor disc post number has four posts or two posts in each lightning arrester.The major defect of this lightning arrester is complex structure, installs inconvenient.
The utility model content
The utility model provides a kind of compact conformation, and volume is little, install and use and convenient maintenance and replacement, and good seal performance, release structure for pressure is reasonable, can the normal 800kV extra-high voltage direct-current transmission engineering converter valve lightning arrester that moves of Reliable guarantee transmission line.
Realize that the technical scheme that above-mentioned purpose is taked is: a kind of 800kV extra-high voltage direct-current transmission engineering converter valve lightning arrester, comprise unit of an arrester, the anti-electric halo in two ends, wherein, unit of an arrester is comprised of sealing mechanism and the pressure release mechanism at composite sheath, resistance stem stem and two ends, and described resistance stem stem is composed in parallel by 8 resistor disc posts.
At least 3 galss fiber reinforced resin rods of described resistor disc post week side setting, and be fixed together by connecting plate and resistor disc post.
Described sealing mechanism sealing mechanism comprises sealing clamp and sealing ring, and described sealing clamp both sides are provided for installing the cannelure of sealing ring, and described sealing ring both sides scribble fluid sealant.
Described pressure release mechanism is comprised of insulation air cavity, bursting diaphragm and hood, and described insulation air cavity is positioned at described composite sheath, and described bursting diaphragm adopts epoxy glass fiber double-side copper-applying explosion-proof lamp product.
The two ends of described unit of an arrester arrange the metal suspender and connect.
Described composite sheath is comprised of epoxy inner core, silastic material and adpting flange.
The anti-electric halo in described two ends is double-decker.
800kV extra-high voltage direct-current transmission engineering converter valve lightning arrester of the present utility model, its beneficial effect is: 1) adopt multicolumn resistor disc post in a composite sheath in also design, compact conformation has reduced
The overall volume of lightning arrester.The resistor disc post adopts high strength glass fiber to strengthen resin rodlet mouse cage shape and fixes, and mechanical strength is high, can satisfy high strength and hang installation specification.
2) on release structure for pressure, adopt the double face copper explosion-proof lamp of large tracts of land, high leakproofness,
Can guarantee that the lightning arrester earth pressure release is reliable, precision maneuver.
3) sealing mechanism adopts the modified EPT rubber square-section sealing ring of large tracts of land, high leakproofness
Dual face seals has improved the composite sheath mechanical strength, and sealing property is excellent.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described further:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of unit of an arrester among Fig. 1;
Fig. 3 is the A-A sectional view among Fig. 2.
Embodiment
Such as Fig. 1, Fig. 2, shown in Figure 3,800kV extra-high voltage direct-current transmission engineering converter valve lightning arrester of the present utility model, comprise unit of an arrester 1, the anti-electric halo 2 in two ends, wherein, unit of an arrester 1 is comprised of sealing mechanism and the pressure release mechanism at composite sheath 8, resistance stem stem and two ends.Described resistance stem stem is composed in parallel by 8 resistor disc posts 4, at least 3 galss fiber reinforced resin rods 5 of all side settings of each resistor disc post 4, and is fixed together by connecting plate 6 and resistor disc post 4, is used for the fixing of resistor disc post 4.Described sealing mechanism adopts the modified EPT rubber square-section sealing ring dual face seals of large tracts of land, high leakproofness, guarantees that the composite sheath mechanical strength is high, and sealing property is excellent.It comprises sealing clamp 11 and sealing ring 12, and described sealing clamp 11 is fixedly connected with by the adpting flange 15 of connector with composite sheath 8 ends.Be provided with cannelure 10 in sealing clamp 11 both sides, described sealing ring 12 is installed in the cannelure 10, and scribbles fluid sealant in the both sides of sealing ring 12.Described pressure release mechanism is comprised of insulation air cavity 7, bursting diaphragm 17 and hood 9, described insulation air cavity 7 is positioned at described composite sheath 8, described bursting diaphragm 17 adopts epoxy glass fiber double-side copper-applying explosion-proof lamp product, can guarantee that like this lightning arrester earth pressure release is reliable, precision maneuver.Described hood 9 is threaded connection part and is connected with described bursting diaphragm 17, can guide the direction of exhaust, plays a part again to be fixedly connected with, and between hood 9 and bursting diaphragm 17 some back-up blocks 17 that are connected is set.The two ends of described unit of an arrester 1 arrange the metal suspender and connect 3, are used for articulating upper and lower layer valve arrester.Described composite sheath 8 is comprised of epoxy inner core 13, silastic material 14 and adpting flange 15, described epoxy inner core 13 adopts high strength glass fiber to strengthen resin material, by integral injection molding fabrication techniques high-temperature silicon disulfide rubber overcoat 14, adpting flange 15 on the mucilage binding of two ends, installing sealing ring 16 between epoxy inner core 13 and adpting flange 15, guarantee that the composite sheath mechanical strength is high, sealing property is excellent.The anti-electric halo 2 in described two ends is double-decker, and is connected with hood 9 by connector.Lightning arrester of the present utility model adopt multicolumn resistor disc post in a composite sheath in the mode of parallel connection, compact conformation has reduced the overall volume of lightning arrester.
Claims (7)
1. 800kV extra-high voltage direct-current transmission engineering converter valve lightning arrester, it comprises unit of an arrester, the anti-electric halo in two ends, it is characterized in that: unit of an arrester is comprised of sealing mechanism and the pressure release mechanism at composite sheath, resistance stem stem and two ends, and described resistance stem stem is composed in parallel by 8 resistor disc posts.
2. 800kV extra-high voltage direct-current transmission engineering converter valve lightning arrester as claimed in claim 1 is characterized in that: at least 3 galss fiber reinforced resin rods of described resistor disc post week side setting, and be fixed together by connecting plate and resistor disc post.
3. 800kV extra-high voltage direct-current transmission engineering converter valve lightning arrester as claimed in claim 1, it is characterized in that: described sealing mechanism sealing mechanism comprises sealing clamp and sealing ring, described sealing clamp both sides are provided for installing the cannelure of sealing ring, and described sealing ring both sides scribble fluid sealant.
4. 800kV extra-high voltage direct-current transmission engineering converter valve lightning arrester as claimed in claim 1, it is characterized in that: described pressure release mechanism is comprised of insulation air cavity, bursting diaphragm and hood, described insulation air cavity is positioned at described composite sheath, and described bursting diaphragm adopts epoxy glass fiber double-side copper-applying explosion-proof lamp product.
5. 800kV extra-high voltage direct-current transmission engineering converter valve lightning arrester as claimed in claim 1 is characterized in that: the two ends of described unit of an arrester arrange the metal suspender and connect.
6. 800kV extra-high voltage direct-current transmission engineering converter valve lightning arrester as claimed in claim 1, it is characterized in that: described composite sheath is comprised of epoxy inner core, silastic material and adpting flange.
7. 800kV extra-high voltage direct-current transmission engineering converter valve lightning arrester as claimed in claim 1, it is characterized in that: the anti-electric halo in described two ends is double-decker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220285167 CN202678009U (en) | 2012-06-18 | 2012-06-18 | Lightning arrester for 800-kv extra-high-voltage direct current transmission project converter valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220285167 CN202678009U (en) | 2012-06-18 | 2012-06-18 | Lightning arrester for 800-kv extra-high-voltage direct current transmission project converter valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202678009U true CN202678009U (en) | 2013-01-16 |
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ID=47498895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220285167 Expired - Lifetime CN202678009U (en) | 2012-06-18 | 2012-06-18 | Lightning arrester for 800-kv extra-high-voltage direct current transmission project converter valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202678009U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104599798A (en) * | 2014-12-12 | 2015-05-06 | 国家电网公司 | Direct current lightning arrester and system using the same |
| CN108766693A (en) * | 2018-05-14 | 2018-11-06 | 国网电力科学研究院武汉南瑞有限责任公司 | High-voltage fuse type direct current arrester |
| CN110277205A (en) * | 2019-07-08 | 2019-09-24 | 国网新疆电力有限公司检修公司 | A kind of high-voltage arrester with storage glue moisture seal structure |
-
2012
- 2012-06-18 CN CN 201220285167 patent/CN202678009U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104599798A (en) * | 2014-12-12 | 2015-05-06 | 国家电网公司 | Direct current lightning arrester and system using the same |
| CN108766693A (en) * | 2018-05-14 | 2018-11-06 | 国网电力科学研究院武汉南瑞有限责任公司 | High-voltage fuse type direct current arrester |
| CN110277205A (en) * | 2019-07-08 | 2019-09-24 | 国网新疆电力有限公司检修公司 | A kind of high-voltage arrester with storage glue moisture seal structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 474530 Neixiang County Industrial Park, Nanyang, Henan Patentee after: Golden crown electric Limited by Share Ltd Address before: 473000 Nanyang high tech Development Zone, Henan Patentee before: Nanyang Jinguan Electric Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |