CN105825986A - Outdoor alternating-current anti-explosion 35-kV lightning arrester - Google Patents
Outdoor alternating-current anti-explosion 35-kV lightning arrester Download PDFInfo
- Publication number
- CN105825986A CN105825986A CN201610319957.1A CN201610319957A CN105825986A CN 105825986 A CN105825986 A CN 105825986A CN 201610319957 A CN201610319957 A CN 201610319957A CN 105825986 A CN105825986 A CN 105825986A
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- China
- Prior art keywords
- lightning arrester
- explosion
- outdoor
- epoxy tube
- tube skeleton
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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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
- H01C1/024—Housing; Enclosing; Embedding; Filling the housing or enclosure the housing or enclosure being hermetically sealed
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C13/00—Resistors not provided for elsewhere
- H01C13/02—Structural combinations of resistors
-
- 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
- H01C7/001—Mass resistors
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermistors And Varistors (AREA)
Abstract
The invention relates to an outdoor alternating-current anti-explosion 35-kV lightning arrester. The lightning arrester comprises a hollow cylindrical epoxy pipe framework and a rubber outer sleeve arranged outside the epoxy pipe framework in a sleeving mode, the upper end of the epoxy pipe framework is provided with a nylon cock cover, and the lower end of the epoxy pipe framework is provided with a metal part; a lightning arrester core is arranged in the middle of the epoxy pipe framework, the inner side of the nylon cock cover is provided with an upper electrode connected with the lightning arrester core, the outer side of the nylon cock cover is provided with a cable connected with the upper electrode, and the inner side of the metal part is provided with a lower electrode connected with the lightning arrester core. The outdoor alternating-current anti-explosion 35-kV lightning arrester is small in size and weight, easy and convenient to install, good in protecting performance and high in mechanical strength; by adopting the composite insulated outer sleeve and a high-voltage cable outer-introduced structure, the product is high in sealing property, large in creepage distance and capable of being used in high-altitude and heavy-pollution areas; meanwhile, the lightning arrester has the anti-explosion function, and when the lightning arrester is damaged by any reasons, a disconnector can effectively avoid short-circuit accidents caused by lightning arrester explosion.
Description
Technical field
The present invention relates to a kind of spark gap, be specifically related to a kind of 35kV outdoor AC explosion-proof lightning arrester.
Background technology
At present, the commonly used overhead transmission line of China's 35kV distribution system and power cable line hybrid mode, it may be assumed that bar line uses overhead transmission line, power distribution station line and subscriber's drop to use cable run, after cable terminal steps on bar, through disconnector or directly it is connected with overhead transmission line.
The plurality of advantages such as composite jacket gaspless metal oxide arrester is little because having volume, lightweight, overvoltage protection characteristic, have been widely used for electrical power trans mission/distribution system.But the composite jacket gaspless metal oxide arrester that 35kV distribution system uses is due to the limitation in the design of structure design and performance, causes to there is bigger potential safety hazard with system fast shut-off when fault occurs.
Summary of the invention
It is an object of the invention to provide a kind of safety good, the 35kV outdoor AC explosion-proof lightning arrester that mechanical strength is high.
For achieving the above object, present invention employs techniques below scheme: include the epoxy tube skeleton of hollow cylindrical and be set in the rubber sleeve outside epoxy tube skeleton, the upper end of described epoxy tube skeleton is provided with nylon cock lid, its lower end is provided with metalwork, the middle part of described epoxy tube skeleton is provided with lightning-arrest core body, the inner side of described nylon cock lid is provided with the upper electrode being connected with core body of taking shelter from the thunder, being provided with the cable being connected with upper electrode outside it, the inner side of described metalwork is provided with the bottom electrode being connected with core body of taking shelter from the thunder.
Described lightning-arrest core body includes spring electrode, disconnector and the ZnO resistors device being sequentially connected, and the upper end of described spring electrode is connected with upper electrode, and the bottom of ZnO resistors device is connected with bottom electrode.
Described ZnO resistors device is made up of multiple non-linear zinc oxide resistance sheets, the joining end to end and tilt to overlay the inside of epoxy tube skeleton successively of the plurality of non-linear zinc oxide resistance sheet.
Described upper electrode and bottom electrode are respectively positioned in epoxy tube skeleton, and upper electrode and bottom electrode respectively with epoxy tube skeleton for threadeding.
Described rubber sleeve is cluster parachute shape.
The downside of described nylon cock lid is provided with threaded rod, and the middle part of described upper electrode is provided with the screwed hole matched with described threaded rod, and the both sides of described screwed hole are provided with the first installing hole.
The downside of described bottom electrode is provided with the screw rod extended vertically downward along its side, is internally provided with the second installing hole, and described metalwork is provided with the screw matched with screw rod, and for being set in the groove of epoxy tube skeleton end.
Described nylon cock lid uses fire proofing to make.
As shown from the above technical solution, the invention have the advantages that 1, volume of the present invention little, lightweight, install simple and convenient, can be directly mounted in switch cubicle.2, this protection of arrester performance is good, and mechanical strength is high, uses composite insulation outer coat and the outer guiding structure of high tension cable, makes product hermeticity strong, and retting-flax wastewater is big, is usable in High aititude and heavy pollution area.3, this spark gap has explosion prevention function, when spark gap causes damage due to any reason, and the short circuit accident that disconnector (explosion-proof apparatus) all can be prevented effectively from Explosion of on Arrester and cause.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of electrode in the present invention；
Fig. 3 is the structural representation of bottom electrode of the present invention；
Fig. 4 is the structural representation of metalwork of the present invention.
Detailed description of the invention
The present invention will be further described below in conjunction with the accompanying drawings:
As shown in Figure 1, the 35kV outdoor AC explosion-proof lightning arrester of the present embodiment, including the epoxy tube skeleton 1 of hollow cylindrical and be set in the cluster parachute shape rubber sleeve 2 outside epoxy tube skeleton 1, the upper end of epoxy tube skeleton 1 is provided with nylon cock lid 3, its lower end is provided with metalwork 4, the middle part of epoxy tube skeleton 1 is provided with lightning-arrest core body, the inner side of nylon cock lid 3 is provided with the upper electrode 5 being connected with core body of taking shelter from the thunder, the cable 6 being connected with upper electrode 5 it is provided with outside it, the inner side of metalwork 4 is provided with the bottom electrode 7 being connected with core body of taking shelter from the thunder, this nylon cock lid 3 uses fire proofing to make.
Lightning-arrest core body includes spring electrode 10, disconnector 8 and the ZnO resistors device 9 being sequentially connected, and the upper end of described spring electrode 10 is connected with upper electrode 5, and the bottom of ZnO resistors device 9 is connected with bottom electrode 7.This ZnO resistors device 9 is made up of multiple non-linear zinc oxide resistance sheets 91, and the plurality of non-linear zinc oxide resistance sheet 91 ending is connected and tilts to overlay the inside of epoxy tube skeleton 1 successively.
Upper electrode 5 uses engagement thread to be arranged in epoxy tube skeleton 1, makes electrode 5 and epoxy tube skeleton 1 closely coupled and accomplishes good conductive effect, extending moisture, moisture migration path and the trend of migration simultaneously, effectively prevent the entrance of moisture and moisture.Bottom electrode 7 uses engagement thread to be arranged in epoxy tube skeleton 1 equally, makes bottom electrode 7 effectively be connected with metalwork 4, and bears from extraneous pressure and gravity, and its intensity meets the requirement of support insulator, and can reliable ground connection.
As shown in Figure 2, the installation of nylon cock lid 3 for convenience, the downside of this nylon cock lid 3 is provided with threaded rod 31, the middle part of upper electrode 5 is provided with the screwed hole 52 matched with threaded rod 31, the both sides of this screwed hole 52 are provided with the first installing hole 53, when mounted, being threaded in hole 52 fixed installation that can complete nylon cock lid 3 with upper electrode 5 by threaded rod 31, this first installing hole 53 can conveniently go up the installation of electrode 5 and epoxy tube skeleton 1.As it is shown on figure 3, the downside of bottom electrode 7 is provided with the screw rod 71 extended vertically downward along its side, it is internally provided with the second installing hole 72.As shown in Figure 4, metalwork 4 is provided with the screw 41 matched with described screw rod 71, and for being set in the groove 42 of epoxy tube skeleton 1 end, makes bottom electrode 7 fix with metalwork 4 in being screwed into screw 41 by screw rod 71 and be connected.
Assembling process: first epoxy tube skeleton 1 silastic material 2 first packages, bottom electrode 7 is arranged in epoxy tube skeleton 1, upper electrode 5, spring electrode 10, disconnector 8 and non-linear resistor 91, bottom electrode 7 are sequentially placed in epoxy tube skeleton 1, stamp fluid sealant and carry out integrated poured.Then nylon cock lid 3, cable 6 being connected with upper electrode 5 successively and seal, surface processes clean, and last assembly and connection metalwork 4 i.e. completes the installation of spark gap.
The epoxy tube skeleton 1 of the present embodiment is a kind of cylinder using the fiber-reinforced resin molded molding of high intensity mold glass.Its function is the main load parts of spark gap, and its structure and intensity ensure that spark gap can meet different mounting means.The present invention disclosure satisfy that the different mounting means such as upside-down mounting, side dress, and disconnector 8, when metal oxide arrester breaks down, makes spark gap disconnect with system, it is to avoid fault spread.
Embodiment described above is only to be described the preferred embodiment of the present invention; not the scope of the present invention is defined; on the premise of designing spirit without departing from the present invention; various deformation that technical scheme is made by those of ordinary skill in the art and improvement, all should fall in the protection domain that claims of the present invention determines.
Claims (8)
1. a 35kV outdoor AC explosion-proof lightning arrester, it is characterized in that: include the epoxy tube skeleton (1) of hollow cylindrical and be set in the rubber sleeve (2) in epoxy tube skeleton (1) outside, the upper end of described epoxy tube skeleton (1) is provided with nylon cock lid (3), its lower end is provided with metalwork (4), the middle part of described epoxy tube skeleton (1) is provided with lightning-arrest core body, the inner side of described nylon cock lid (3) is provided with the upper electrode (5) being connected with core body of taking shelter from the thunder, the cable (6) being connected with upper electrode (5) it is provided with outside it, the inner side of described metalwork (4) is provided with the bottom electrode (7) being connected with core body of taking shelter from the thunder.
35kV outdoor AC explosion-proof lightning arrester the most according to claim 1, it is characterized in that: described lightning-arrest core body includes spring electrode (10), disconnector (8) and the ZnO resistors device (9) being sequentially connected, the upper end of described spring electrode (10) is connected with upper electrode (5), and the bottom of ZnO resistors device (9) is connected with bottom electrode (7).
35kV outdoor AC explosion-proof lightning arrester the most according to claim 2, it is characterized in that: described ZnO resistors device (9) is made up of multiple non-linear zinc oxide resistance sheets (91), the joining end to end and tilt to overlay the inside of epoxy tube skeleton (1) successively of the plurality of non-linear zinc oxide resistance sheet (91).
35kV outdoor AC explosion-proof lightning arrester the most according to claim 1, it is characterized in that: described upper electrode (5) and bottom electrode (7) are respectively positioned in epoxy tube skeleton (1), and upper electrode (5) and bottom electrode (7) respectively with epoxy tube skeleton (1) for threadeding.
35kV outdoor AC explosion-proof lightning arrester the most according to claim 1, it is characterised in that: described rubber sleeve (2) is in cluster parachute shape.
35kV outdoor AC explosion-proof lightning arrester the most according to claim 1, it is characterized in that: the downside of described nylon cock lid (3) is provided with threaded rod (31), the middle part of described upper electrode (5) is provided with the screwed hole (52) matched with described threaded rod (31), and the both sides of described screwed hole (52) are provided with the first installing hole (53).
35kV outdoor AC explosion-proof lightning arrester the most according to claim 1, it is characterized in that: the downside of described bottom electrode (7) is provided with the screw rod (71) extended vertically downward along its side, being internally provided with the second installing hole (72), described metalwork (4) is provided with the screw (41) matched with screw rod (71) and is used for being set in the groove (42) of epoxy tube skeleton (1) end.
35kV outdoor AC explosion-proof lightning arrester the most according to claim 1, it is characterised in that: described nylon cock lid (3) uses fire proofing to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610319957.1A CN105825986A (en) | 2016-05-12 | 2016-05-12 | Outdoor alternating-current anti-explosion 35-kV lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610319957.1A CN105825986A (en) | 2016-05-12 | 2016-05-12 | Outdoor alternating-current anti-explosion 35-kV lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105825986A true CN105825986A (en) | 2016-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610319957.1A Pending CN105825986A (en) | 2016-05-12 | 2016-05-12 | Outdoor alternating-current anti-explosion 35-kV lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105825986A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448960A (en) * | 2016-08-28 | 2017-02-22 | 国网浙江省电力公司湖州供电公司 | 35KV multi-gap anti-thunder insulator |
| CN111868851A (en) * | 2018-03-14 | 2020-10-30 | 西门子股份公司 | Surge arrester and method for mounting a surge arrester |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2227868Y (en) * | 1994-08-09 | 1996-05-22 | 陕西华星压敏电阻器厂 | Pressure sensitive resistor for protection of electric locomotive |
| CN2307340Y (en) * | 1997-04-29 | 1999-02-10 | 水利部电力工业部机电研究所 | Arrester with organic shell |
| CN2344848Y (en) * | 1998-09-22 | 1999-10-20 | 西安神电避雷器有限公司 | Combined all-insulated metal oxide lightning arrester |
| CN2466770Y (en) * | 2001-02-20 | 2001-12-19 | 谷立锋 | Lightning protection synthetic insulator |
| CN202275676U (en) * | 2011-07-31 | 2012-06-13 | 浙江中能电气有限公司 | Composite cover gapless zinc oxide lightning arrester for subway |
| CN205751734U (en) * | 2016-05-12 | 2016-11-30 | 安徽尚途电力保护设备有限公司 | A kind of 35kV outdoor AC explosion-proof lightning arrester |
-
2016
- 2016-05-12 CN CN201610319957.1A patent/CN105825986A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2227868Y (en) * | 1994-08-09 | 1996-05-22 | 陕西华星压敏电阻器厂 | Pressure sensitive resistor for protection of electric locomotive |
| CN2307340Y (en) * | 1997-04-29 | 1999-02-10 | 水利部电力工业部机电研究所 | Arrester with organic shell |
| CN2344848Y (en) * | 1998-09-22 | 1999-10-20 | 西安神电避雷器有限公司 | Combined all-insulated metal oxide lightning arrester |
| CN2466770Y (en) * | 2001-02-20 | 2001-12-19 | 谷立锋 | Lightning protection synthetic insulator |
| CN202275676U (en) * | 2011-07-31 | 2012-06-13 | 浙江中能电气有限公司 | Composite cover gapless zinc oxide lightning arrester for subway |
| CN205751734U (en) * | 2016-05-12 | 2016-11-30 | 安徽尚途电力保护设备有限公司 | A kind of 35kV outdoor AC explosion-proof lightning arrester |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448960A (en) * | 2016-08-28 | 2017-02-22 | 国网浙江省电力公司湖州供电公司 | 35KV multi-gap anti-thunder insulator |
| CN111868851A (en) * | 2018-03-14 | 2020-10-30 | 西门子股份公司 | Surge arrester and method for mounting a surge arrester |
| CN111868851B (en) * | 2018-03-14 | 2022-07-01 | 西门子能源全球有限公司 | Surge arrester and method for mounting a surge arrester |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160803 |
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| RJ01 | Rejection of invention patent application after publication |