CN106448960A - 35KV multi-gap anti-thunder insulator - Google Patents
35KV multi-gap anti-thunder insulator Download PDFInfo
- Publication number
- CN106448960A CN106448960A CN201610756651.2A CN201610756651A CN106448960A CN 106448960 A CN106448960 A CN 106448960A CN 201610756651 A CN201610756651 A CN 201610756651A CN 106448960 A CN106448960 A CN 106448960A
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- China
- Prior art keywords
- electrode
- ceramic coat
- sparking electrode
- zinc oxide
- cavity
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/42—Means for obtaining improved distribution of voltage; Protection against arc discharges
- H01B17/46—Means for providing an external arc-discharge path
Abstract
The present invention provides a 35KV multi-gap anti-thunder insulator. A ceramic coat is internally provided with a valve block cavity and an electrode cavity, the valve block cavity is internally provided with a zinc oxide valve block, the electrode cavity is internally provided with discharging electrodes, the distance between two adjacent discharging electrodes is 10-15mm, the ceramic coat is provided with a discharging hole communicated with the electrode cavity, the intensity of the ceramic coat is high and can directly support an overhead conductor so as to ensure the insulation level of the line; the arrangement of the zinc oxide valve block avoids the lightning-caused breaking and the trip accident of the overhead conductor; and the arrangement of the discharging electrode and the discharging hole allows the arc blowout capacity to be high when the lightning stroke exceeds the voltage and allows the discharge current capacity to be larger than a common arrester. Compared to the prior art, the daily operation maintenance cost is low with no need for separation installation of the insulator and a lightning arrester; and the axis of the discharging hole is perpendicular to the axis of the electrode cavity, the diameter of the discharging hole is not less than the thickness of the discharging electrode, and the discharging hole has a good discharging performance so as to greatly optimize the lightning protection performance of the anti-thunder insulator.
Description
Technical field
The present invention relates to electrical network accessory, particularly relate to a kind of 35kV band Multiple level anti-thunder insulator.
Background technology
The lightning surge amplitude of 35kV overhead distribution is high, and discharge time is short, and the insulation water of 35kV distribution line
Flat low, lightning surge can make insulator generation flashover, forms power frequency continued flow and cause line fault on lightning stroke flashover passage.
In prior art, 35kV overhead transmission line lightning protection measures mainly uses at line insulator side lightning arrester connected in parallel, arcing horn or band sky
The lightning protection device in gas gap carries out lightning protection, and this Lightning Protection causes in-site installation structure complicated, and transformation difficulty is relatively big, input
Human and material resources cost is high.
Content of the invention
A kind of 35kV band Multiple level anti-thunder insulator that the present invention provides, it is intended to overcome insulator of the prior art without preventing
The deficiency of thunder function.
In order to solve above-mentioned technical problem, the present invention adopts the following technical scheme that：A kind of 35kV band Multiple level lightning protection insulation
Son, including ceramic coat, is provided with zinc oxide valve plate, is additionally provided with sparking electrode, institute in described ceramic coat in described ceramic coat
It is provided with the valve block chamber of fixing zinc oxide valve plate and the electrode cavity of fixing sparking electrode, described valve block chamber and electrode in stating ceramic coat
Chamber communicates, and, described valve block chamber is coaxial with electrode cavity, and described ceramic coat is provided with the discharge aperture communicating with electrode cavity, institute
The axis stating discharge aperture is perpendicular to the axis of described electrode cavity, and the diameter of described discharge aperture is not less than the thickness of sparking electrode, phase
Distance between adjacent two panels sparking electrode is 10 millimeters to 15 millimeters, and described discharge aperture is positioned between adjacent two panels sparking electrode,
Described ceramic coat includes the high-pressure side connecting with valve block chamber and the low-pressure end connecting with electrode cavity, the high pressure of described ceramic coat
End is provided with the high pressure flange of fixing high-voltage conducting wires, and the low-pressure end of described ceramic coat is provided with the low-pressure process being connected with support member
Blue.
A kind of optional scheme, the shape of cross section of described zinc oxide valve plate and sparking electrode is circle, and, described
The diameter of zinc oxide valve plate is more than the diameter of sparking electrode.Zinc oxide valve plate, sparking electrode are easy to prepare, and, zinc oxide valve
Piece, sparking electrode are easy to assembly, reduce the use cost of anti-thunder insulator.
A kind of optional scheme, is provided with between adjacent two panels sparking electrode and links together adjacent two panels sparking electrode
Insulated connecting rod, described sparking electrode and insulated connecting rod bond together.The setting of insulated connecting rod makes sparking electrode solid
Fixed convenient, simplify the structure of ceramic coat, reduce the manufacturing cost of ceramic coat.Further, insulated connecting rod has well
Positioning performance, optimize the discharge performance of sparking electrode.
A kind of optional scheme, described sparking electrode is plugged in electrode cavity, and, sparking electrode is determined by low pressure flange
Position.Sparking electrode positioning is reliable, simplifies the structure of ceramic coat.
A kind of optional scheme, described zinc oxide valve plate is plugged in valve block chamber, and, zinc oxide valve plate is by high pressure flange
Positioning.Zinc oxide valve plate positioning is reliable, simplifies the structure of ceramic coat.
A kind of optional scheme, described high pressure flange, low pressure flange are all integral type structure with ceramic coat, and, high
The diameter of pressure flange is equal to the diameter of low pressure flange.High pressure flange, low pressure flange are connected reliably with ceramic coat, and, lightning protection
Insulator is easy to prepare, and reduces the use cost of anti-thunder insulator.
Compared with prior art, a kind of 35kV band Multiple level anti-thunder insulator that the present invention provides, has the advantage that：Pottery
It is provided with valve block chamber and electrode cavity in porcelain overcoat, in valve block chamber, is provided with zinc oxide valve plate, in electrode cavity, be provided with sparking electrode, phase
Distance between adjacent two panels sparking electrode is 10 millimeters to 15 millimeters, and ceramic coat offers the electric discharge communicating with electrode cavity
Hole, ceramic coat intensity is higher directly supports aerial condutor, it is ensured that the dielectric level of circuit；The setting of zinc oxide valve plate, keeps away
Overhead transmission line lightning-caused breaking and trip accident are exempted from；Sparking electrode, the setting of discharge aperture, the arc-rupturing capacity when Lightning Over-voltage
By force, and the more common arrester of discharge capacity is bigger；Relative to prior art, it is not necessary to insulator and arrester are separated peace
Dress, day-to-day operation maintenance cost is low；
The axis of discharge aperture is perpendicular to the axis of electrode cavity, and, the diameter of discharge aperture is not less than the thickness of sparking electrode,
Discharge aperture has good discharge performance, is greatly optimized the lightning protection properties of anti-thunder insulator.
Brief description
Accompanying drawing 1 is the sectional view with Multiple level anti-thunder insulator for a kind of 35kV of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings, a kind of 35kV band Multiple level anti-thunder insulator of the present invention is described further.Such as Fig. 1 institute
Show that a kind of 35kV band Multiple level anti-thunder insulator, including ceramic coat 1, is provided with zinc oxide valve plate 2, institute in described ceramic coat 1
It is additionally provided with sparking electrode 3 in stating ceramic coat 1, be provided with the valve block chamber 4 of fixing zinc oxide valve plate 2 in described ceramic coat 1 and consolidate
Determining the electrode cavity 5 of sparking electrode 3, described ceramic coat 1 includes the high-pressure side connecting with valve block chamber 4 and connects with electrode cavity 5
Low-pressure end, the high-pressure side of described ceramic coat 1 is provided with the high pressure flange 7 of fixing high-voltage conducting wires, the low pressure of described ceramic coat 1
End is provided with the low pressure flange 8 being connected with support member, and low-pressure end is fixed on cross-arm by low pressure flange 8, described high pressure flange
7th, low pressure flange 8 is all integral type structure with ceramic coat 1, and, the diameter of high pressure flange 7 is equal to the diameter of low pressure flange 8,
Ceramic coat 1 is easy to prepare；
As it is shown in figure 1, the shape of cross section of described zinc oxide valve plate 2 and sparking electrode 3 is circle, and, described oxygen
Changing the diameter more than sparking electrode 3 for the diameter of zinc valve block 2, described valve block chamber 4 communicates with electrode cavity 5, and, described valve block chamber 4
Coaxial with electrode cavity 5, described zinc oxide valve plate 2 is plugged in valve block chamber 4, and, zinc oxide valve plate 2 is positioned by high pressure flange 7；
As it is shown in figure 1, described ceramic coat 1 is provided with the discharge aperture 6 communicating with electrode cavity 5, the axis of described discharge aperture 6
Being perpendicular to the axis of described electrode cavity 5, the diameter of described discharge aperture 6 is not less than the thickness of sparking electrode 3, adjacent two panels electric discharge electricity
Distance between pole 3 is 10 millimeters to 15 millimeters, and described discharge aperture 6 is positioned between adjacent two panels sparking electrode 3, and adjacent two panels is put
Distance between electricity electrode 3 is bigger, and the discharge performance of sparking electrode 3 is better, and the distance between adjacent two panels sparking electrode 3 is less than
When 10 millimeters, greatly reducing the discharge performance of sparking electrode 3, the distance between adjacent two panels sparking electrode 3 is more than 15 millimeters
When, increase the size of ceramic coat 1, improve the use cost of anti-thunder insulator；
As it is shown in figure 1, be provided with adjacent two panels sparking electrode 3 is linked together exhausted between adjacent two panels sparking electrode 3
Edge connecting rod 9, described sparking electrode 3 and insulated connecting rod 9 bond together, and multi-disc sparking electrode 3 connects into an entirety, puts
Electricity electrode 3 is easy to assembling, and insulated connecting rod 9 can be prepared by ceramic material, and described sparking electrode 3 is plugged in electrode cavity 5, and
And, sparking electrode 3 is positioned by low pressure flange 8.
Zinc oxide valve plate 2 is made up of metal oxide, and described zinc oxide valve plate 2 uses and meets DL/T815-2002《Exchange
Polymeric metal oxide surge arrester used for transmission line》And GB11032-2000《Alternating current gapless metal oxide arrester》
The material of two standards prepares, and described sparking electrode 3 is prepared by stainless steel material.
The operation principle of technique scheme：It is provided with zinc oxide valve plate 2 and sparking electrode 3, two adjacent two panels in ceramic coat 1
Forming discharging gap between sparking electrode 3, under lightning surge effect, zinc oxide valve plate 2 presents Low ESR, by lightning current
Release into ground；After lightning impulse, power-frequency voltage is carried on zinc oxide valve plate 2, when ac zero-crossing point, and zinc oxide valve plate 2
Resistance moment become big, the electric current passing through i.e. arc current be suppressed in relatively low numerically, now, the arc voltage of discharging gap increases
Greatly, the insulation of discharging gap recovers rapidly, and electric arc extinguishes in very short time naturally, and power frequency continued flow is interdicted completely, and circuit is extensive
Multiple properly functioning.
These are only the preferred embodiment of the present invention, it is intended to embody prominent technique effect and the advantage of the present invention, not
It is the restriction to technical scheme.Those skilled in the art will appreciate that all based on the technology of the present invention content
Modification, change or the substitute technology feature made, all should be covered by the technology category that claims of the present invention are advocated
In.
Claims (6)
1. a 35kV band Multiple level anti-thunder insulator, including ceramic coat (1), it is characterised in that：In described ceramic coat (1)
It is provided with zinc oxide valve plate (2), in described ceramic coat (1), is additionally provided with sparking electrode (3), be provided with solid in described ceramic coat (1)
Determine the valve block chamber (4) of zinc oxide valve plate (2) and the electrode cavity (5) of fixing sparking electrode (3), described valve block chamber (4) and electrode cavity
(5) communicate, and, described valve block chamber (4) is coaxial with electrode cavity (5), and described ceramic coat (1) is provided with and electrode cavity (5) phase
Logical discharge aperture (6), the axis of described discharge aperture (6) is perpendicular to the axis of described electrode cavity (5), described discharge aperture (6) straight
Footpath not less than the thickness of sparking electrode (3), the distance between adjacent two panels sparking electrode (3) be 10 millimeters to 15 millimeters, described
Discharge aperture (6) is positioned between adjacent two panels sparking electrode (3), and described ceramic coat (1) includes the high pressure connecting with valve block chamber (4)
End and the low-pressure end connecting with electrode cavity (5), the high-pressure side of described ceramic coat (1) is provided with the high-pressure process of fixing high-voltage conducting wires
Blue (7), the low-pressure end of described ceramic coat (1) is provided with the low pressure flange (8) being connected with support member.
2. a kind of 35kV band Multiple level anti-thunder insulator according to claim 1, it is characterised in that：Described zinc oxide valve plate
(2) and the shape of cross section of sparking electrode (3) is circle, and, the diameter of described zinc oxide valve plate (2) is more than sparking electrode
(3) diameter.
3. a kind of 35kV band Multiple level anti-thunder insulator according to claim 1, it is characterised in that：Adjacent two panels electric discharge electricity
Be provided with the insulated connecting rod (9) that adjacent two panels sparking electrode (3) is linked together between pole (3), described sparking electrode (3) with
Insulated connecting rod (9) bonds together.
4. a kind of 35kV band Multiple level anti-thunder insulator according to claim 3, it is characterised in that：Described sparking electrode
(3) it is plugged in electrode cavity (5), and, sparking electrode (3) is positioned by low pressure flange (8).
5. a kind of 35kV band Multiple level anti-thunder insulator according to claim 1, it is characterised in that：Described zinc oxide valve plate
(2) it is plugged in valve block chamber (4), and, zinc oxide valve plate (2) is positioned by high pressure flange (7).
6. a kind of 35kV band Multiple level anti-thunder insulator according to claim 1 to 5 any one, it is characterised in that：Institute
Stating high pressure flange (7), low pressure flange (8) is all integral type structure with ceramic coat (1), and, the diameter etc. of high pressure flange (7)
Diameter in low pressure flange (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610756651.2A CN106448960A (en) | 2016-08-28 | 2016-08-28 | 35KV multi-gap anti-thunder insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610756651.2A CN106448960A (en) | 2016-08-28 | 2016-08-28 | 35KV multi-gap anti-thunder insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106448960A true CN106448960A (en) | 2017-02-22 |
Family
ID=58090113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610756651.2A Pending CN106448960A (en) | 2016-08-28 | 2016-08-28 | 35KV multi-gap anti-thunder insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106448960A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107507681A (en) * | 2017-08-26 | 2017-12-22 | 毛金霞 | The high-tension insulator of insulated overhead line with electrical verification rod |
| CN107768048A (en) * | 2017-09-28 | 2018-03-06 | 上海兆邦电力器材有限公司 | Power frequency continued flow arc breaking device |
| CN113517101A (en) * | 2021-07-01 | 2021-10-19 | 西安交通大学 | Lightning arrester |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0520947A (en) * | 1991-07-12 | 1993-01-29 | Meidensha Corp | Polymer insulator type lightning arrester |
| CN203941766U (en) * | 2014-07-09 | 2014-11-12 | 三峡大学 | A kind of arc blowing type isolator lightning arrester |
| CN104376936A (en) * | 2014-11-22 | 2015-02-25 | 吉林市能兴电力设备有限公司 | Lightning protection column type insulator |
| CN104779522A (en) * | 2015-04-08 | 2015-07-15 | 国家电网公司 | Lightning dredger with insulator function |
| CN105825986A (en) * | 2016-05-12 | 2016-08-03 | 安徽尚途电力保护设备有限公司 | Outdoor alternating-current anti-explosion 35-kV lightning arrester |
| CN205911090U (en) * | 2016-08-28 | 2017-01-25 | 国网浙江省电力公司湖州供电公司 | 35kV takes many clearances lightning -proof insulator |
-
2016
- 2016-08-28 CN CN201610756651.2A patent/CN106448960A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0520947A (en) * | 1991-07-12 | 1993-01-29 | Meidensha Corp | Polymer insulator type lightning arrester |
| CN203941766U (en) * | 2014-07-09 | 2014-11-12 | 三峡大学 | A kind of arc blowing type isolator lightning arrester |
| CN104376936A (en) * | 2014-11-22 | 2015-02-25 | 吉林市能兴电力设备有限公司 | Lightning protection column type insulator |
| CN104779522A (en) * | 2015-04-08 | 2015-07-15 | 国家电网公司 | Lightning dredger with insulator function |
| CN105825986A (en) * | 2016-05-12 | 2016-08-03 | 安徽尚途电力保护设备有限公司 | Outdoor alternating-current anti-explosion 35-kV lightning arrester |
| CN205911090U (en) * | 2016-08-28 | 2017-01-25 | 国网浙江省电力公司湖州供电公司 | 35kV takes many clearances lightning -proof insulator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107507681A (en) * | 2017-08-26 | 2017-12-22 | 毛金霞 | The high-tension insulator of insulated overhead line with electrical verification rod |
| CN107768048A (en) * | 2017-09-28 | 2018-03-06 | 上海兆邦电力器材有限公司 | Power frequency continued flow arc breaking device |
| CN113517101A (en) * | 2021-07-01 | 2021-10-19 | 西安交通大学 | Lightning arrester |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |