CN102938278A - Lightning protection insulator used for 10KV insulated wire - Google Patents
Lightning protection insulator used for 10KV insulated wire Download PDFInfo
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- CN102938278A CN102938278A CN2012105174354A CN201210517435A CN102938278A CN 102938278 A CN102938278 A CN 102938278A CN 2012105174354 A CN2012105174354 A CN 2012105174354A CN 201210517435 A CN201210517435 A CN 201210517435A CN 102938278 A CN102938278 A CN 102938278A
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Abstract
The invention discloses a lightning protection insulator used for a 10KV insulated wire, which includes a wiring terminal, a cylindrical insulated body fixedly connected with the wiring terminal, a first silicon rubber umbrella cover coating the cylindrical side surface of the insulated body, a cylindrical nonlinear component, an arc strike ring sleeved on the upper end of the nonlinear component, a second silicon rubber umbrella cover and a metal cap, wherein the upper end of the nonlinear component is hermetically connected with the insulated body; the part, below the arc strike ring, of the cylindrical side surface of the nonlinear component is coated by the second silicon rubber umbrella cover; and the lower end of the nonlinear component is matched with the second silicon rubber umbrella cover through the metal cap for sealing. The lightning protection insulator is simple in structure and low in cost, supports and fixes the 10KV insulated wire, and meanwhile protects the 10KV insulated wire from being damaged by lightning.
Description
Technical field
The present invention relates to a kind of insulator, relate in particular to a kind of anti-thunder insulator for the 10KV insulated conductor.
Background technology
At present, domestic city 10KV electric distribution network overhead wire for safety uses insulated conductor mostly, and does not generally establish overhead ground wire, thereby the probability of the infringement of being struck by lightning is larger.Be head it off, mostly adopt following several ways both at home and abroad:
1) Dredging Method with near the local bare wire of the insulated conductor the insulator, makes power frequency arc arc root shift or be fixed on the special gold utensil and burn, thereby guardwire avoids burn.
2) obstruction method is exactly to stop the power frequency continued flow starting the arc behind the lightning stroke flashover.For example, a large amount of current-limiting arc-extinguishing angles of adopting of Japan, the i.e. ring-like external series gap metal oxide arrester of band series connection.
3) make the fixing arc channel discharge in electric arc edge with arcing gap, utilize sacrificial electrode protection insulator to avoid being struck by lightning and encroach on the penetrability flashover damage that causes.
4) install lightning arrester additional on the insulator next door, utilize arcing ring that electric arc is introduced lightning arrester, protection insulator and insulated conductor.
Still there is different defectives in above technology.For example, power frequency continued flow can not be in instantaneous trip behind employing Dredging Method and the arcing gap, and high temperature still can cause local damage to insulator and other circuit annexes.Circuit has increased a circuit annex after installing in addition lightning arrester additional, and the lightning arrester cost has increased line cost undoubtedly far above insulator in addition.
Summary of the invention
The object of the invention is to overcome the defective of prior art and provide a kind of simple in structure, with low cost, support fixing 10KV insulated conductor and protection 10KV insulated conductor and avoid the insulator that encroached on by thunder and lightning.
The technical scheme that realizes above-mentioned purpose is:
A kind of anti-thunder insulator for the 10KV insulated conductor, the first silicon rubber umbrella of the cylindrical side that comprises the binding post of colligation 10KV insulated conductor, the columniform insulator that is fixedly connected with this binding post and wrap up this insulator, described anti-thunder insulator also comprises arcing ring, columniform non-linear element, the second silicon rubber umbrella and metal cap, wherein:
The upper end of described non-linear element is socketed described arcing ring, and this upper end is connected with described insulator sealing;
Described the second silicon rubber umbrella wraps up the following part of arcing ring described in the cylindrical side of described non-linear element;
The lower end of described non-linear element cooperates the second silicon rubber umbrella to seal by described metal cap.
The above-mentioned anti-thunder insulator that is used for the 10KV insulated conductor, wherein, described anti-thunder insulator also comprises the resilient coating of one deck between the cylindrical side of the inner surface of described the second silicon rubber umbrella and described non-linear element, and this resilient coating is made by high-molecular organic material.
The above-mentioned anti-thunder insulator that is used for the 10KV insulated conductor, wherein, described resilient coating is made by ABS plastic (acrylonitrile-butadiene-styrene (ABS) plastics).
The above-mentioned anti-thunder insulator that is used for the 10KV insulated conductor, wherein, described non-linear element is zinc oxide resistance sheet.
The above-mentioned anti-thunder insulator that is used for the 10KV insulated conductor, wherein, described the first silicon rubber umbrella is provided with some layers of umbrella rib; Described the second silicon rubber umbrella is provided with some layers of umbrella rib.
The invention has the beneficial effects as follows:
The present invention bears the supporting insulator function when normal condition; when suffering the thunderbolt infringement, realize defencive function by the gap action; thereby for 10kV insulated conductor overhead distribution provides the most basic measure that lightning-caused breaking and insulator lost efficacy and cause that prevents, insulating, the raising power supply reliability of implementing and promote the 10kV overhead transmission line is of great immediate significance.Simultaneously, the present invention is simple in structure, be easy to realize, and compared to the way that installs lightning arrester on the insulator next door additional, with low cost.And the resilient coating of the present invention by being made by high-molecular organic material can fully reach the requirement of general insulator bending strength.
Description of drawings
Fig. 1 is the structure cutaway view of the anti-thunder insulator for the 10KV insulated conductor of the present invention.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
See also Fig. 1, the anti-thunder insulator for the 10KV insulated conductor of the present invention comprises binding post 1, columniform insulator 2, the first silicon rubber umbrella 3, arcing ring 4, columniform non-linear element 5, the second silicon rubber umbrella 6 and metal cap 7, wherein:
Binding post 1 colligation 10KV insulated conductor plays and supports and the fixedly effect of 10KV insulated conductor;
One end of insulator 2 is fixedly connected with binding post 1, and the upper end of the other end of insulator 2 and non-linear element 5 is fixedly connected, and the cylindrical side of insulator 2 is by the first silicon rubber umbrella 3 parcels;
The upper end of non-linear element 5 socket arcing ring 4, and this upper end seals with insulator 2 and be connected, and acted on by the first silicon rubber umbrella 3 is not so that this upper end has other positions are exposed to except arcing ring 4; In the present embodiment, non-linear element 5 is zinc oxide resistance sheet;
The second silicon rubber umbrella 6 parcel non-linear elements 5 exposed cylindrical sides namely wrap up automatic striking arc ring 4 with the cylindrical side face portion down to non-linear element 5 lower ends; In the present embodiment, anti-thunder insulator of the present invention also comprises the resilient coating 8 of one deck between the cylindrical side of the inner surface of the second silicon rubber umbrella 6 and non-linear element 5, the cylindrical side of automatic striking arc ring 4 belows of resilient coating 8 parcel non-linear elements 5, this resilient coating 8 is made by high-molecular organic material, thereby satisfies the requirement of general insulator bending strength; In the present embodiment, high-molecular organic material is ABS plastic;
The lower end of non-linear element 5 cooperates the second silicon rubber umbrella 6 to seal by metal cap 7; Metal cap 7 can be directly installed on the iron cross arm (not shown) by the screw rod (not shown), and is easy for installation;
The first silicon rubber umbrella 3 is provided with some layers of umbrella rib, in the present embodiment, is provided with two layers of umbrella rib and ground floor umbrella rib diameter greater than second layer umbrella rib diameter; The second silicon rubber umbrella 6 is provided with some layers of umbrella rib, in the present embodiment, is provided with four layers of umbrella rib, and the interval between these four layers of umbrella ribs equates and equal diameters separately.
The present invention bears supporting insulator function (bracing frame ceases to be busy when normal condition; make overhead wire over the ground and with other conductor insulations); when the thunderbolt infringement; at first discharged by the discharging gap that forms between arcing ring 4 and the 10KV insulated conductor; then non-linear element 5 absorbed energy earial drainages and cease arc, thus realize defencive function.Therefore, the present invention is simple in structure, with low cost, and insulating, the raising power supply reliability of implementing the 10kV overhead transmission line is of great immediate significance.
Above embodiment is only for explanation the present invention's, but not limitation of the present invention, person skilled in the relevant technique, without departing from the scope of the invention, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present invention, should be limited by each claim.
Claims (5)
1. anti-thunder insulator that is used for the 10KV insulated conductor, the first silicon rubber umbrella of the cylindrical side that comprises the binding post of colligation 10KV insulated conductor, the columniform insulator that is fixedly connected with this binding post and wrap up this insulator, it is characterized in that, described anti-thunder insulator also comprises arcing ring, columniform non-linear element, the second silicon rubber umbrella and metal cap, wherein:
The upper end of described non-linear element is socketed described arcing ring, and this upper end is connected with described insulator sealing;
Described the second silicon rubber umbrella wraps up the following part of arcing ring described in the cylindrical side of described non-linear element;
The lower end of described non-linear element cooperates the second silicon rubber umbrella to seal by described metal cap.
2. the anti-thunder insulator for the 10KV insulated conductor according to claim 1, it is characterized in that, described anti-thunder insulator also comprises the resilient coating of one deck between the cylindrical side of the inner surface of described the second silicon rubber umbrella and described non-linear element, and this resilient coating is made by high-molecular organic material.
3. the anti-thunder insulator for the 10KV insulated conductor according to claim 2 is characterized in that, described resilient coating is made by ABS plastic.
4. according to claim 1 or 3 described anti-thunder insulators for the 10KV insulated conductor, it is characterized in that described non-linear element is zinc oxide resistance sheet.
5. according to claim 1 or 3 described anti-thunder insulators for the 10KV insulated conductor, it is characterized in that described the first silicon rubber umbrella is provided with some layers of umbrella rib; Described the second silicon rubber umbrella is provided with some layers of umbrella rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210517435.4A CN102938278B (en) | 2012-12-05 | 2012-12-05 | A kind of anti-thunder insulator for 10KV insulated conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210517435.4A CN102938278B (en) | 2012-12-05 | 2012-12-05 | A kind of anti-thunder insulator for 10KV insulated conductor |
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| Publication Number | Publication Date |
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| CN102938278A true CN102938278A (en) | 2013-02-20 |
| CN102938278B CN102938278B (en) | 2015-12-02 |
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| CN201210517435.4A Active CN102938278B (en) | 2012-12-05 | 2012-12-05 | A kind of anti-thunder insulator for 10KV insulated conductor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103311864A (en) * | 2013-06-19 | 2013-09-18 | 国家电网公司 | Electric porcelain insulator |
| CN104201567A (en) * | 2014-09-04 | 2014-12-10 | 国家电网公司 | Internal insulating device for fixed gap overvoltage protector |
| CN106653239A (en) * | 2016-11-22 | 2017-05-10 | 国网浙江省电力公司绍兴供电公司 | Composite lightning protection insulator |
| CN113178295A (en) * | 2021-04-22 | 2021-07-27 | 江西百新电瓷电气有限公司 | Semiconductor lightning protection ice combined porcelain insulator |
Citations (6)
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|---|---|---|---|---|
| CN2297778Y (en) * | 1997-02-04 | 1998-11-18 | 上海浦东新区市东电力技术开发服务中心 | Column synthetic insulation metal oxide arrester |
| JP2003077710A (en) * | 2001-09-04 | 2003-03-14 | Furukawa Electric Co Ltd:The | Arrester |
| CN101697299A (en) * | 2009-10-24 | 2010-04-21 | 山东迅实电气有限公司 | Lightning protection insulator for insulated conductor of overhead line |
| CN101859617A (en) * | 2010-05-13 | 2010-10-13 | 湖南省电力公司试验研究院 | Anti-ice-flashover composite insulator with lightning protection function |
| CN201796663U (en) * | 2010-09-21 | 2011-04-13 | 湖北省电力公司襄樊供电公司 | Strain-resistant arrester with insulator |
| CN203013421U (en) * | 2012-12-05 | 2013-06-19 | 上海市电力公司 | Lightning protection insulator used for 10kV insulation lead |
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2012
- 2012-12-05 CN CN201210517435.4A patent/CN102938278B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2297778Y (en) * | 1997-02-04 | 1998-11-18 | 上海浦东新区市东电力技术开发服务中心 | Column synthetic insulation metal oxide arrester |
| JP2003077710A (en) * | 2001-09-04 | 2003-03-14 | Furukawa Electric Co Ltd:The | Arrester |
| CN101697299A (en) * | 2009-10-24 | 2010-04-21 | 山东迅实电气有限公司 | Lightning protection insulator for insulated conductor of overhead line |
| CN101859617A (en) * | 2010-05-13 | 2010-10-13 | 湖南省电力公司试验研究院 | Anti-ice-flashover composite insulator with lightning protection function |
| CN201796663U (en) * | 2010-09-21 | 2011-04-13 | 湖北省电力公司襄樊供电公司 | Strain-resistant arrester with insulator |
| CN203013421U (en) * | 2012-12-05 | 2013-06-19 | 上海市电力公司 | Lightning protection insulator used for 10kV insulation lead |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103311864A (en) * | 2013-06-19 | 2013-09-18 | 国家电网公司 | Electric porcelain insulator |
| CN104201567A (en) * | 2014-09-04 | 2014-12-10 | 国家电网公司 | Internal insulating device for fixed gap overvoltage protector |
| CN106653239A (en) * | 2016-11-22 | 2017-05-10 | 国网浙江省电力公司绍兴供电公司 | Composite lightning protection insulator |
| CN113178295A (en) * | 2021-04-22 | 2021-07-27 | 江西百新电瓷电气有限公司 | Semiconductor lightning protection ice combined porcelain insulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102938278B (en) | 2015-12-02 |
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