CN201274203Y - Sulfur hexafluoride can type gapless metal-oxide lightning arrester - Google Patents
Sulfur hexafluoride can type gapless metal-oxide lightning arrester Download PDFInfo
- Publication number
- CN201274203Y CN201274203Y CN 200820233227 CN200820233227U CN201274203Y CN 201274203 Y CN201274203 Y CN 201274203Y CN 200820233227 CN200820233227 CN 200820233227 CN 200820233227 U CN200820233227 U CN 200820233227U CN 201274203 Y CN201274203 Y CN 201274203Y
- Authority
- CN
- China
- Prior art keywords
- insulator
- resistor disc
- resistor
- pile
- lightning 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
Links
Images
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermistors And Varistors (AREA)
Abstract
The utility model relates to a sulfur hexafluoride tank type non-gap metal oxide surge arrester, which has stronger durability against heavy current and rectangular wave current. The structure is that in a metal earthing shell, the circumference of a round cake shape resistance card is clamped and fixed by an insulating rod. An equalizing cover is added on the upper end of a resistor pile; a conductive rod device is connected above the equalizing cover and is reliably connected with a basin insulator electrically; at the bottom of the resistor pile, the resistor pile is connected with a lightning arrester monitor by an insulated conductor or is directly earthed; and the high-voltage conductive rod at the upper end of the resistor pile and a low-voltage insulating lead at the lower end of the resistor pile are led out by the insulator which is casted by epoxy insulating resin. The shell is filled with high-pressure SF6 insulating gas. The joint of the insulator and the shell is sealed by a silicon rubber sealing ring. The insulator can ensure that the high-voltage end and the low-voltage end are insulated against the earth and ensure the leak tightness of the shell. Not only the durability against the heavy current and the rectangular wave current and the reliability of safe running are improved but also the structure of this kind of lightning arrestor is simplified.
Description
(1) technical field
The utility model relates to a kind of sulphur hexafluoride pot type gapless metal-oxide lighting arrester of novel insulation system.It is a kind of electric power system overvoltage protection device.
(2) background technology
The prevailing overvoltage protection device of China is a metal oxide arrester at present.The lightning arrester of forming by the zinc oxide nonlinear resistance slice serial or parallel connection.Metal oxide resistance is the lightning arrester core parts.
Sulphur hexafluoride pot type gapless metal-oxide lighting arrester is sulfur hexafluoride gas-insulating metal enclosed switchgear important component part just, is the basis of its insulation coordination, makes protected equipment avoid superpotential destruction.
Tradition sulphur hexafluoride pot type gapless metal-oxide lighting arrester adopts the ring resistance sheet in the metal grounding shell, the certain insulation distance in the resistor disc outside has an insulating cylinder, after the punching insulating bar passes the ring resistance sheet, in conjunction with insulating cylinder, the fastening series connection of resistor disc is fixed by helicitic texture.Resistor disc is connect the electric power system high potential through disc insulator.In the metallic seal shell, fill SF
6Insulating gas guarantees the inner high-low pressure current potential insulation of product.
Traditional structure sulphur hexafluoride pot type gapless metal-oxide lighting arrester has certain mechanical strength, can tolerate the earthquake of jolt transportation and certain intensity.It is right because the technological forming characteristics of ring resistance sheet self make that the interior ring place of resistor disc is its insulation weakness.When lightning arrester can't bear overvoltage usually, be that puncturing or flashover appears earlier in the ring place in the resistor disc.And complex structure, annex is more, and is easier in its annex quality problem (particularly insulating cylinder) causes the lightning arrester accident.Traditional sulphur hexafluoride pot type gapless metal-oxide lighting arrester cost is higher simultaneously.
(3) summary of the invention
For improving the big electric current and the square wave current tolerance of sulphur hexafluoride pot type gapless metal-oxide lighting arrester, the utility model provides a kind of innovative design sulphur hexafluoride pot type gapless metal-oxide lighting arrester.This lightning arrester has not only improved big electric current of product and square wave current tolerance, simplifies the type lightning arrester structure simultaneously, has improved the reliability of its safe operation.
The technical scheme core that its technical problem that solves the utility model adopts is: in the metal grounding shell, adopt insulating bar to grip structure around cake type resistor disc.Increase grading shield in resistor disc post upper end, evenly the Potential distribution of resistor disc and the Electric Field Distribution of insulation system.Above grading shield, connect the conducting rod device then, reliably be electrically connected with disc insulator.At the resistor disc post bottom, draw with insulated conductor and connect lightning arrester monitor or direct ground connection.At the upper end of resistor disc post high pressure conducting rod and low-voltage insulation lead-in wire place, lower end, draw by the insulator of epoxy insulation resin-cast.Hyperbar SF is filled in product inside
6Insulating gas.The silicone rubber O-ring sealing is adopted in insulator and housing junction.The use of insulator can ensure height pressure side and ground insulation, has guaranteed the sealing of housing simultaneously.
This design beneficial effect is:
1) simplified structure is easy to product and installs.
2) simplify assembling process of products, improved the qualification rate of product.
3) parts have been reduced.Reduced the probability that parts such as off-grade glass cloth tube cause the accident.
4) adopt cake type resistor disc, avoided the interior ring insulation weak spot of ring resistance sheet
5) tolerance of increase big electric current of lightning arrester product and square wave current.
(4) description of drawings
Fig. 1 is the lightning arrester cutaway view
1. insulators among the figure (copper, aluminium conducting rod are attached the material cast cured explosive in the centre with epoxy resin); 2. silicone rubber O-ring; 3. conducting rod jockey; 4. spring; 5. suspension ring (being welded on the housing) are 6. all pressed radome; 7. resistor disc; 8. insulating bar; 9. lightning arrester on-line monitoring instrument; 10 insulated conductors; 11.F-03 molecular sieve (white cloth bag encapsulation); 12. hyperbar SF
6Gas; 13. grounded metal housing (steel or aluminum); 14. inflation enclosed valve.
(5) embodiment
Below in conjunction with accompanying drawing installation and processing of the present utility model is further specified.
The utility model sulphur hexafluoride pot type gapless metal-oxide lighting arrester mainly by each parts with assemblings such as bolt and fluid sealants, combine.
Among Fig. 1, in the metal grounding shell (13), cake type resistor disc (7) adopts insulating bar (8) to grip all around.Increase grading shield (6) in resistor disc post upper end, evenly the Potential distribution of resistor disc and the Electric Field Distribution of insulation system.Above grading shield, connect conducting rod device (3) then, reliably be electrically connected with disc insulator (1).Spring (4) is placed in resistor disc post top simultaneously, to guarantee the reliable connection between the resistor disc.At the resistor disc post bottom, draw with insulated conductor (10) and connect lightning arrester monitor (9) or direct ground connection.At the upper end of resistor disc post high potential conducting rod and electronegative potential insulator pin place, lower end, draw by the insulator (1) of epoxy insulation resin-cast.SF is filled in product inside
6Insulating gas (12).Silicone rubber O-ring (2) sealing is adopted in insulator and housing junction, to guarantee the sealing of housing.
The effect of each parts is as follows among Fig. 1:
One, insulator (1) (copper, aluminium conducting rod are attached the material cast cured explosive in the centre with epoxy resin)
Effect: the drawing with housing of high and low pressure current potential of the inner core body of lightning arrester insulated.
Two, silicone rubber O-ring (2)
Effect: the sealing that guarantees housing.
Three, conducting rod jockey (3)
Effect: the hot end of assurance resistor disc reliably is connected with the metal insert in the insulator.
Four, spring (4)
Effect: guarantee the reliable connection between the resistor disc.
Five, suspension ring (the steel aluminum is done, and is welded on the housing) (5)
Effect: product lifting.
Six, all press radome (6)
Effect: the Potential distribution of even resistor disc and the Electric Field Distribution of insulation system.
Seven, resistor disc (7)
Effect: the core parts of lightning arrester, overvoltage protection effect.
Eight, insulating bar (8)
Effect: the effect that grips of resistor disc.
Nine, lightning arrester on-line monitoring instrument (9)
Effect: the ruuning situation of on-line monitoring lightning arrester, and overvoltage action frequency.
Ten, insulator pin (covering the copper conductor of silicon rubber insulation skin outward) (10)
Effect: the lead-out wire of lightning arrester electronegative potential.
F-03 molecular sieve (white cloth bag encapsulation) (11)
Effect: absorb SF
6Hydrone in the middle of the gas reduces hydrone to SF
6The influence of gas-insulated insulation property.
12, hyperbar SF
6Gas (12)
Effect: strengthen the insulation of lightning arrester high-low pressure current potential.
13, grounded metal housing (13)
Effect: sealing SF
6Gas.
14, inflation enclosed valve (14)
Effect: charge and discharge SF
6Gas.
Claims (3)
1. sulphur hexafluoride pot type gapless metal-oxide lighting arrester, mainly by insulator, silicone rubber O-ring, the conducting rod jockey, spring, all press radome, resistor disc, insulating bar, lightning arrester on-line monitoring instrument, metal shell is formed, it is characterized in that: be provided with around the resistor disc in the metal shell and grip structure, be provided with grading shield in the resistor disc upper end, the grading shield top connects the conducting rod device, the conducting rod device is electrically connected with insulator, resistor disc connects lightning arrester monitor or direct ground connection bottom, the upper end of resistor disc and high pressure conducting rod and low-voltage insulation lead-in wire place, lower end, insulator by the epoxy insulation resin-cast is drawn, insulator and housing junction, be sealed with silicone rubber O-ring, hyperbar SF is filled in product inside
6Insulating gas.
2. sulphur hexafluoride pot type gapless metal-oxide lighting arrester according to claim 1 is characterized in that: described resistor disc is the cake type.
3. sulphur hexafluoride pot type gapless metal-oxide lighting arrester according to claim 1 is characterized in that: the structure that grips around the described resistor disc is that insulating bar grips structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820233227 CN201274203Y (en) | 2008-12-30 | 2008-12-30 | Sulfur hexafluoride can type gapless metal-oxide lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820233227 CN201274203Y (en) | 2008-12-30 | 2008-12-30 | Sulfur hexafluoride can type gapless metal-oxide lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201274203Y true CN201274203Y (en) | 2009-07-15 |
Family
ID=40884546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820233227 Expired - Fee Related CN201274203Y (en) | 2008-12-30 | 2008-12-30 | Sulfur hexafluoride can type gapless metal-oxide lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201274203Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101916655A (en) * | 2010-07-15 | 2010-12-15 | 赵牧青 | Power capacitor |
| CN104134502A (en) * | 2013-05-24 | 2014-11-05 | 国家电网公司 | Gapless metal oxide arrester |
| CN104796124A (en) * | 2015-04-17 | 2015-07-22 | 国家电网公司 | Closed type small-gap multi-electrode gas switch device and method |
| CN106504836A (en) * | 2016-10-12 | 2017-03-15 | 河南平高通用电气有限公司 | Tank-type lightning arrester |
| CN109524186A (en) * | 2018-10-26 | 2019-03-26 | 河南平高电气股份有限公司 | A kind of GIS metal oxide arrester |
| CN110233014A (en) * | 2019-06-27 | 2019-09-13 | 国网电力科学研究院武汉南瑞有限责任公司 | A kind of miniaturization GIS tank type metal oxide surge arrester and its implementation |
| CN112763861A (en) * | 2020-12-14 | 2021-05-07 | 平高集团有限公司 | Carbon ceramic linear resistor monolithic insulation test tool |
| CN115036087A (en) * | 2022-06-23 | 2022-09-09 | 山东泰开互感器有限公司 | Mounting structure of lightning arrester core body and assembly method based on laser positioning |
-
2008
- 2008-12-30 CN CN 200820233227 patent/CN201274203Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101916655A (en) * | 2010-07-15 | 2010-12-15 | 赵牧青 | Power capacitor |
| CN104134502A (en) * | 2013-05-24 | 2014-11-05 | 国家电网公司 | Gapless metal oxide arrester |
| CN104134502B (en) * | 2013-05-24 | 2017-04-19 | 国家电网公司 | Gapless metal oxide arrester |
| CN104796124A (en) * | 2015-04-17 | 2015-07-22 | 国家电网公司 | Closed type small-gap multi-electrode gas switch device and method |
| CN104796124B (en) * | 2015-04-17 | 2017-11-21 | 国家电网公司 | Closed small―gap suture multi-electrode gas switch device and method |
| CN106504836A (en) * | 2016-10-12 | 2017-03-15 | 河南平高通用电气有限公司 | Tank-type lightning arrester |
| CN109524186A (en) * | 2018-10-26 | 2019-03-26 | 河南平高电气股份有限公司 | A kind of GIS metal oxide arrester |
| CN109524186B (en) * | 2018-10-26 | 2020-12-18 | 河南平高电气股份有限公司 | Metal oxide arrester for GIS |
| CN110233014A (en) * | 2019-06-27 | 2019-09-13 | 国网电力科学研究院武汉南瑞有限责任公司 | A kind of miniaturization GIS tank type metal oxide surge arrester and its implementation |
| CN112763861A (en) * | 2020-12-14 | 2021-05-07 | 平高集团有限公司 | Carbon ceramic linear resistor monolithic insulation test tool |
| CN115036087A (en) * | 2022-06-23 | 2022-09-09 | 山东泰开互感器有限公司 | Mounting structure of lightning arrester core body and assembly method based on laser positioning |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201274203Y (en) | Sulfur hexafluoride can type gapless metal-oxide lightning arrester | |
| CN205050651U (en) | High -tension bushing and isolated bus | |
| CN205943628U (en) | Pot -type zero clearance metal oxide double containment arrester | |
| CN207366687U (en) | A kind of cable T connector scene overpressure resistance detecting device | |
| CN106469594B (en) | Bushing shell for transformer | |
| CN205945047U (en) | Thunder system device can be changed in change | |
| CN106451084A (en) | Transformer station combined protective electrical appliance | |
| CN207441368U (en) | Arrester of the body with fixed interval (FI) | |
| CN201207318Y (en) | Metal oxide lightning arrester used for ultra-high voltage electric grid and power transmission and transformation system | |
| CN104134502B (en) | Gapless metal oxide arrester | |
| CN201601012U (en) | Voltage transformer used for GIS | |
| CN204809824U (en) | Shrinkage cable terminal | |
| CN203260987U (en) | High-voltage line lightning arrester | |
| CN201975189U (en) | Multifunctional transformer substation lightning arrester | |
| CN201975191U (en) | Lightning arrester with functions of electricity testing and grounding | |
| CN206893380U (en) | A kind of arrester of built-in inductance coil | |
| CN108074687A (en) | Outdoor composite insulation high pressure lightning protection pillar | |
| CN212364396U (en) | Novel combined metering mutual inductor | |
| CN204517391U (en) | A kind of faulty indication protector | |
| CN201247663Y (en) | Whole insulation composite greatcoat type metal-oxide lighting arrester core body | |
| CN204117822U (en) | Outdoor voltage transformer terminal protective jacket | |
| CN103151124A (en) | Spool-type lightning insulator for low-voltage distribution line with external series spark gap | |
| CN201928021U (en) | Three-phase combined type overvoltage protector | |
| CN203562686U (en) | Post terminal moving end shielding structure of solid insulation switch | |
| CN206789408U (en) | A kind of gas-insulated transformer sleeve pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20101230 |