CN104124011A - Integrated lightning arrester insulator - Google Patents
Integrated lightning arrester insulator Download PDFInfo
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- CN104124011A CN104124011A CN201410399218.9A CN201410399218A CN104124011A CN 104124011 A CN104124011 A CN 104124011A CN 201410399218 A CN201410399218 A CN 201410399218A CN 104124011 A CN104124011 A CN 104124011A
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Abstract
The invention discloses an integrated lightning arrester insulator, which belongs to the fields of electrical insulation and lightning arresting equipment. The integrated lightning arrester insulator comprises an internal mandril (5), an insulation casing coated outside the mandril (5), and connection hardware fittings at the both ends of the mandril (5), and is characterized in that the hardware fittings are internally embedded in the mandril (5), a lightning arresting assembly and a discharge gap are further arranged in the mandril (5), one end of the lightning arresting assembly is connected with the hardware fitting at a grounding end, and the other end of the lightning arresting assembly is connected with a power transmission line through a discharge mechanism to form a discharge passage. The integrated lightning arrester insulator integrates an insulator and a lightning arrester, has the insulation and bearing functions of the insulator, and the lightning arresting function of the lightning arrester, and is more convenient to install and maintain; the mandril is formed in one step by winding a resin-soaked glass fibre cloth and then carrying out high-temperature curing; the integrated lightning arrester insulator is great in synthesized mechanical properties and electrical properties, and capable of being widely applied to a plurality of fields of power transmission, power transformation, power distribution, power stations and the like.
Description
Technical field
A kind of integrated lightning protector insulator, belongs to electric insulation, lightning protection field.
Background technology
Insulator, lightning arrester are mounted in two kinds of common power equipments in high voltage transmission line and transformer station.Insulator and lightning arrester are generally separated from each other, independent use.
In the prior art, insulator has two kinds of forms: column support type and hanging type.Column support type is generally used for transformer station, and hanging type is for ultra-high-tension power transmission line, and in the time that reality is used, insulator plays the double action of insulation and supporting circuit weight.Lightning arrester is another kind of key equipment in transformer station's transmission line, the overvoltage electric discharge device that it is made up of one group of pressure cell.In the time that transformer station or transmission line are hit by thunder and lightning, the safety that the overvoltage that thunder and lightning is produced imports the earth protection power transmission and transforming equipment by pressure cell by lightning voltage is normally moved.In the prior art, due to the reason of production technology and technology, these two kinds of equipment of insulator and lightning arrester are to be separated from each other, be arranged on side by side on transformer station and transmission line with different forms simultaneously, wherein insulator only plays the effect of supported weight and insulation, lightning arrester provides insulation and discharging function, does not carry circuit weight.
In the power transmission and transforming equipment of operation, mostly adopt at present compound insulator.Compound insulator adopts pulling expoxy glass plug outside coated Si rubber after two ends crimping metal connecting piece to make in the time producing.Plug provides carrying pulling force, and silicon rubber plays the effect of external insulation and anti-pollution flashover, and this composite insulator has obtained being widely used in power transmission and transforming equipment.This compound insulator, because production technology determines lightning arrester assembly to be implanted wherein, can only use separately.
And lightning arrester will be inserted voltage-sensitive ceramic sheet in specific glass reinforced plastic pipe in the time producing, by two ends metalwork shutoff, one end is done mounting support one end and is connected with high-voltage line, and outer wrap silicon rubber plays the effect of external insulation and anti-pollution flashover.Due to lightning arrester production Technology structures shape, this product can only provide electric discharge lightning-arrest, and can not bear the load of wire again.
In sum, due to the restriction of production technology and self structure, insulator and lightning arrester must use respectively on transmission line and converting equipment as two kinds of equipment completely independently for a long time, in the time of installation and later maintenance, need respectively insulator and lightning arrester are installed, be safeguarded and change, expense is high, and workload is large.Although there is now the equipment that some unite two into one insulator and lightning arrester, but cannot meet the requirement to comprehensive mechanical performances such as pulling force, torsion, bendings in transmission line and converting equipment of insulator and lightning arrester simultaneously, and the requirement of insulating properties and lightning-arrest characteristic, application scenario restriction is larger, also uses in a large number without similar products at present.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, providing a kind of unites two into one insulator and lightning arrester, can meet electric line simultaneously, transformer station's tension, bending resistance, antitorque mechanical performance requirement, and the integrated lightning protector insulator of insulating properties and lightning-arrest characteristic requirements.
The technical solution adopted for the present invention to solve the technical problems is: this integrated lightning protector insulator, comprise inner plug, be coated on the insulation external member of plug outside and the connection gold utensil at plug two ends, it is characterized in that: described connection gold utensil is embedded in plug, in plug, be also provided with lightning-arrest assembly, lightning-arrest assembly one end connects with the gold utensil that is connected of earth terminal, and the other end is connected with transmission line by the mechanism of discharging and forms discharge path.
Preferably, described electric discharge mechanism is arranged on insulation external member outside or plug inside.
Preferably, the described electric discharge mechanism that is arranged on insulation external member outside comprises disconnector and connecting line, and connecting line one end is stretched in plug and is connected with described lightning-arrest assembly, other end dockingundocking device.
Preferably, described lightning-arrest assembly is the vertical multiple based varistor sheets that arrange, and based varistor sheet bottom contacts with the gold utensil upper end that is connected of earth terminal, and based varistor sheet is topmost connected with connecting line.
Preferably, to embed the part of plug be taper or spherical concavo-convex for described connection gold utensil.
Preferably, the connecting ball head that described connection gold utensil is upper end and connection ball-and-socket or the adpting flange of lower end.
Preferably, described plug is formed by dipped glass fibre cloth wound and solidified.
Preferably, described insulation external member is sheath and the full skirt with sheath one.
Preferably, the described electric discharge mechanism that is arranged on insulation external member outside is the pair of discharge electrodes of being opened by airspace, and in pair of discharge electrodes, one is connected with described lightning-arrest assembly, and another is connected with power circuit.
Preferably, the described electric discharge mechanism that is arranged on plug inside is by the isolated pair of discharge electrodes of discharging gap, and in pair of discharge electrodes, one is connected with the gold utensil that is connected of upper end, and another is connected with lightning-arrest assembly.
Compared with prior art, the beneficial effect that the present invention has is:
1, this integrated lightning protector insulator unites two into one insulator and lightning arrester, has both had insulation and the carrying effect of insulator, has again the lightning protection function of lightning arrester, installs, safeguards convenient, and expense is lower.
2, the glass fabric that plug was soaked by disposable resin is wound, after Wrapping formed through hot setting one-shot forming.Because glass fabric itself is interweaved and formed by warp and parallel, therefore, after plug having been solidified and finally formed lightening arrestor insulator body, there is good comprehensive mechanical performance and electric property, can be widely used in the every field of electric power system.
3, play the disconnector that the based varistor sheet of lightning protection function is connected with power equipment, in the time that lightning arrester occurs to leak, disconnector Automatic-falling, is convenient to line attendant and finds in time, is convenient for changing.
4, connecting gold utensil, to be embedded in partial design in plug be concavo-convex as taper, the shape such as spherical, therefore increased the mechanical strength while connection.
5, connect gold utensil and comprise the connecting ball head of upper end and connection ball-and-socket or the adpting flange of lower end, connected mode is various, can be applied to multiple connection occasion.
6, can the high pressure of thunder and lightning generation be released by being arranged on the inner or outside sparking electrode of plug, even if based varistor sheet is after the thunderbolt performance that is subject to certain number of times can decline, air electrode plays blocking-up and leaks and insulating effect simultaneously.
Brief description of the drawings
Fig. 1 is integral type lightening arrestor insulator embodiment 1 structural representation.
Fig. 2 is integral type lightening arrestor insulator embodiment 2 structural representations.
Fig. 3 is integral type lightening arrestor insulator embodiment 3 structural representations.
Fig. 4 is integral type lightening arrestor insulator embodiment 4 structural representations.
Fig. 5 is integral type lightening arrestor insulator embodiment 5 structural representations.
Fig. 6 is integral type lightening arrestor insulator embodiment 6 structural representations.
Wherein: 1, connecting line 2, connecting ball head 3, sheath 4, full skirt 5, plug 6, based varistor sheet 7, connection ball-and-socket 8, disconnector 9, adpting flange 10, sparking electrode 11, discharging gap 12, support stick 13, stay pipe.
Embodiment
Fig. 1 is most preferred embodiment of the present invention, and below in conjunction with accompanying drawing 1 ~ 6, the present invention will be further described:
As shown in Figure 1, a kind of integrated lightning protector insulator, comprises lightening arrestor insulator body and disconnector 8, between disconnector 8 and lightening arrestor insulator body, is connected by connecting line 1.
Lightening arrestor insulator body comprises full skirt 4 and sheath 3, plug 5, support stick 12, based varistor sheet 6 and is embedded in the connection gold utensil in plug 5, in the present embodiment, and the connecting ball head 2 that to connect gold utensil be upper end and the connection ball-and-socket 7 of lower end.To be embedded in partial design in plug 5 be concavo-convex as taper, the shape such as spherical to connecting ball head 2 with being connected ball-and-socket 7, the mechanical strength while connection to increase.Be provided with some based varistor sheets 6 at the top that connects ball-and-socket 7, based varistor sheet 6 adopts circular or annular, and support stick 12 is between the connecting ball head 2 of based varistor sheet 6 and upper end.Connecting line 1 is connected with based varistor sheet 6 topmost afterwards through sheath 3 and plug 5, other end dockingundocking device 8.
The glass fabric that plug 5 was soaked by disposable resin is wound, after Wrapping formed through hot setting one-shot forming.Support stick 12 can adopt the material identical with plug 5 and technique to solidify to form, and also can adopt commercially available fiberglass rod to realize.After having solidified, two ends gold utensil, support stick 12 and multiple based varistor sheet 6 are cured in plug 5 simultaneously.After plug 5 has solidified, be coated sheath 3 and the full skirt 4 of high-temperature silicon disulfide rubber material in its outside by mold pressing or injection moulding.Full skirt 4 is moulding separately also, is sleeved on sheath 3.
As shown in Figure 1, before being wound around plug 5 by glass fabric, first form the support stick 12 thick with being connected gold utensil and based varistor sheet 6 etc., and support stick 12 is placed in and is connected between gold utensil and based varistor sheet 6, and to support stick 12, connect gold utensil and based varistor sheet 6 and pre-fix (as used adhesive tape to be wound around), then at support stick 12, connect the outside impregnation glass wool cloth that is wound around of gold utensil and based varistor sheet 6, until each electric pressure requires after needed overall dimension, through hot setting moulding, form plug 5.After disconnector 8 stands to be repeatedly struck by lightning disengaging, this integrated lightning protector insulator, still plays blocking-up current leakage and the effect that insulation is provided.
Because plug 5 is wound by glass fabric, and glass fabric itself interweaves and formed by warp and parallel, therefore, after plug 5 having been solidified and finally formed lightening arrestor insulator body, has enough bending resistances, antitorque, the comprehensive mechanical performances such as stretching.Can be widely used in the electric line of various electric power systems, transformer station, the every field such as power plant, and can replace insulator and the lightning arrester of each electric pressure in existing electric power system simultaneously, use convenient, safety.
Specific works process is as follows:
First, after this integrated lightning protector insulator being arranged in transmission line or transformer station according to prior art, this integrated lightning protector insulator, can play insulation and the carrying effect of insulator, can play again the lightning protection of lightning arrester, lightning function.
In the time that circuit is struck by lightning; the high voltage that thunder and lightning produces is in disconnector 8, connecting line 1 enter embedded one lightening arrestor insulator; then derive by based varistor sheet 6, therefore this embedded one lightening arrestor insulator has played the protective effect to power equipment simultaneously.In the time that lightning arrester damage occurs to leak, disconnector 8 departs from, and the function that this integrated lightning protector insulator still can be served as insulator is used.In the time that circuit is struck by lightning again, can thunder and lightning be released by other the embedded one lightening arrestor insulators in circuit.Because disconnector 8 departs from time, be therefore convenient to line attendant and find in time, be convenient for changing.
Embodiment 2:
Embodiment 2 is with embodiment 1 difference: as shown in Figure 2, connection ball-and-socket 7 is replaced by adpting flange 9, the occasion that can be applicable to be fixed by flange.The top of adpting flange 9 is embedded in plug 5, and simultaneously the tip designs of adpting flange 9 is concavo-convex as cylindricality, the shape such as spherical, so that the installation of wire.Embodiment 2 is identical with manufacturing process and the operation principle of embodiment 1.
Embodiment 3:
Embodiment 3 is with the difference of embodiment 1: as shown in Figure 3, embodiment 3 does not adopt disconnector 8, saves connecting line 1 simultaneously, and is provided with sparking electrode 10.Sparking electrode 10 is two parts, and a part is connected with the based varistor sheet 6 of plug 5 interior the tops through sheath 3 and plug 5, and another part connects the high-pressure side of power equipment, by regulating discharging gap to realize.
In the time that equipment is struck by lightning, first the high pressure that thunder and lightning produces punctures the air gap between sparking electrode 10, then enters in embedded one lightening arrestor insulator, then derives by based varistor sheet 6.From the above mentioned, based varistor sheet 6 is after the thunderbolt that is subject to certain number of times, its performance can decline, but from the above mentioned, this embedded one lightening arrestor insulator and mechanical strength and insulation characterisitic can not change, due to the air gap between sparking electrode 10, after again there is thunder and lightning, the high pressure that thunder and lightning produces still can puncture this air gap and be released simultaneously.Under non-thunderbolt state, keep enough dielectric strengths, the normal operation of support equipment.Embodiment 3 manufacturing process and operation principle identical with embodiment 2 and embodiment 1.
Embodiment 4:
Embodiment 4 is with embodiment 3 differences: as shown in Figure 4, connection ball-and-socket 7 is replaced by adpting flange 9, the occasion that can be applicable to be fixed by flange.The top of adpting flange 9 is embedded in plug 5, and simultaneously the tip designs of adpting flange 9 is concavo-convex as column, the shape such as spherical, so that the installation of wire.Embodiment 4 is identical with manufacturing process and the operation principle of embodiment 1 ~ 3.
Embodiment 5:
As shown in Figure 5, between the lower end of connecting ball head 2 and the upper end of based varistor sheet 6 topmost, leave discharging gap 11, two parts of sparking electrode 10 are separately fixed at the lower end of connecting ball head 2 and the upper end of based varistor sheet 6 topmost.Because discharging gap 11 is positioned at the inside of plug 5, be therefore subject to external environment (as humidity, steam etc.) impact less, the distance of the discharging gap 11 therefore calculating according to prior art, comparatively reliable.
In the time of the integrated lightning protector insulator shown in manuscript 5, first ready-made stay pipe 13 is placed between two sparking electrodes 10, between be separated out discharging gap 11, then connection gold utensil, stay pipe 13, based varistor sheet 6 are pre-fixed, then at the outside impregnation glass wool cloths that are wound around of stay pipe 13, connection gold utensil and based varistor sheet 6, until each electric pressure requires after needed overall dimension, through hot setting moulding, form plug 5.Stay pipe 13 is identical with support stick 12, can adopt the material identical with plug 5 and technique to make, and also can adopt commercially available ready-made glass reinforced plastic pipe to replace.
In the time that circuit is struck by lightning, the high pressure that thunder and lightning produces through the sparking electrode 10 of connecting ball head 2 and upper end just discharging gap 11 puncture, then connect based varistor sheet 6 through the sparking electrode 10 of lower end, finally derive by based varistor sheet 6.Because discharging gap 11 is comparatively fixing, even if therefore based varistor sheet 6 is after the thunderbolt performance that is subject to certain number of times can decline, in the time being again struck by lightning, the overvoltage that thunder and lightning produces still can puncture this air gap and discharge by lightning arrester assembly.
Embodiment 6:
Embodiment 6 is with embodiment 5 differences: as shown in Figure 6, connection ball-and-socket 7 is replaced by adpting flange 9, the occasion that can be applicable to be fixed by flange.The top of adpting flange 9 is embedded in plug 5, and simultaneously the tip designs of adpting flange 9 is concavo-convex as column, the shape such as spherical, so that the installation of wire.Embodiment 6 is identical with manufacturing process and the operation principle of embodiment 5.
The above, be only preferred embodiment of the present invention, is not the restriction of the present invention being made to other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present invention, still belong to the protection range of technical solution of the present invention.
Claims (10)
1. an integrated lightning protector insulator, comprise inner plug (5), be coated on the outside insulation external member of plug (5) and the connection gold utensil at plug (5) two ends, it is characterized in that: described connection gold utensil is embedded in plug (5), plug is also provided with lightning-arrest assembly in (5), lightning-arrest assembly one end connects with the gold utensil that is connected of earth terminal, and the other end is connected with transmission line by the mechanism of discharging and forms discharge path.
2. integrated lightning protector insulator according to claim 1, is characterized in that: described electric discharge mechanism is arranged on insulation external member outside or plug (5) inside.
3. integrated lightning protector insulator according to claim 2, it is characterized in that: the described electric discharge mechanism that is arranged on insulation external member outside comprises disconnector (8) and connecting line (1), connecting line (1) one end is stretched in plug (5) and is connected with described lightning-arrest assembly, other end dockingundocking device (8).
4. according to the integrated lightning protector insulator described in claim 1 or 3, it is characterized in that: described lightning-arrest assembly is the vertical multiple based varistor sheets (6) that arrange, based varistor sheet (6) bottom contacts with the gold utensil upper end that is connected of earth terminal, and based varistor sheet (6) is topmost connected with connecting line (1).
5. integrated lightning protector insulator according to claim 1, is characterized in that: the part that described connection gold utensil embeds plug (5) is taper or spherical concavo-convex.
6. integrated lightning protector insulator according to claim 1, is characterized in that: the connecting ball head (2) that described connection gold utensil is upper end and the connection ball-and-socket (7) of lower end or adpting flange (9).
7. according to the integrated lightning protector insulator described in claim 1,2,3,5 any one, it is characterized in that: described plug (5) is formed by dipped glass fibre cloth wound and solidified.
8. integrated lightning protector insulator according to claim 1, is characterized in that: described insulation external member is sheath (3) and the full skirt (4) with sheath (3) one.
9. integrated lightning protector insulator according to claim 2, it is characterized in that: the described electric discharge mechanism that is arranged on insulation external member outside is the pair of discharge electrodes (10) of being opened by airspace, in pair of discharge electrodes (10), one is connected with described lightning-arrest assembly, and another is connected with power circuit.
10. integrated lightning protector insulator according to claim 2, it is characterized in that: the described inner electric discharge mechanism of plug (5) that is arranged on is by the isolated pair of discharge electrodes of discharging gap (11) (10), in pair of discharge electrodes (10), one is connected with the gold utensil that is connected of upper end, and another is connected with lightning-arrest assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410399218.9A CN104124011A (en) | 2014-08-14 | 2014-08-14 | Integrated lightning arrester insulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410399218.9A CN104124011A (en) | 2014-08-14 | 2014-08-14 | Integrated lightning arrester insulator |
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| CN104124011A true CN104124011A (en) | 2014-10-29 |
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| CN201410399218.9A Pending CN104124011A (en) | 2014-08-14 | 2014-08-14 | Integrated lightning arrester insulator |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531378A (en) * | 2016-12-12 | 2017-03-22 | 北京玻钢院复合材料有限公司 | Manufacturing method for solid-state cylinder |
| CN106920604A (en) * | 2017-03-12 | 2017-07-04 | 河南鑫海电力设备有限公司 | The insulator that gold utensil is screwed |
| CN107195443A (en) * | 2017-07-20 | 2017-09-22 | 山东理工大学 | Distribution transformer sealing insulation thunder-proof bushing |
| CN107359023A (en) * | 2017-08-26 | 2017-11-17 | 苏州灵亿易电子科技有限公司 | The lightning protection pillar insulator of built-in discharging gap |
| CN107369506A (en) * | 2017-08-26 | 2017-11-21 | 苏州灵亿易电子科技有限公司 | A kind of lightning protection pillar insulator of built-in discharging gap |
| CN107564631A (en) * | 2017-08-26 | 2018-01-09 | 卢永星 | It is a kind of to be automatically increased discharging gap so as to block the anti-thunder insulator of power frequency continued flow |
| CN107564630A (en) * | 2017-08-26 | 2018-01-09 | 卢永星 | A kind of lightning protection pillar insulator that can block power frequency continued flow |
| CN107564629A (en) * | 2017-08-26 | 2018-01-09 | 卢永星 | A kind of lower electric discharge part for clearance lightning-proof |
| CN110998756A (en) * | 2017-08-16 | 2020-04-10 | 西门子股份公司 | Surge arrester and method for producing a surge arrester |
| CN113299445A (en) * | 2021-05-28 | 2021-08-24 | 固力发电气有限公司 | High-voltage composite post insulator |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531378A (en) * | 2016-12-12 | 2017-03-22 | 北京玻钢院复合材料有限公司 | Manufacturing method for solid-state cylinder |
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| CN107195443A (en) * | 2017-07-20 | 2017-09-22 | 山东理工大学 | Distribution transformer sealing insulation thunder-proof bushing |
| CN107195443B (en) * | 2017-07-20 | 2019-05-03 | 山东理工大学 | Distribution transformer sealing insulation thunder-proof bushing |
| CN110998756A (en) * | 2017-08-16 | 2020-04-10 | 西门子股份公司 | Surge arrester and method for producing a surge arrester |
| CN107359023A (en) * | 2017-08-26 | 2017-11-17 | 苏州灵亿易电子科技有限公司 | The lightning protection pillar insulator of built-in discharging gap |
| CN107369506A (en) * | 2017-08-26 | 2017-11-21 | 苏州灵亿易电子科技有限公司 | A kind of lightning protection pillar insulator of built-in discharging gap |
| CN107564631A (en) * | 2017-08-26 | 2018-01-09 | 卢永星 | It is a kind of to be automatically increased discharging gap so as to block the anti-thunder insulator of power frequency continued flow |
| CN107564630A (en) * | 2017-08-26 | 2018-01-09 | 卢永星 | A kind of lightning protection pillar insulator that can block power frequency continued flow |
| CN107564629A (en) * | 2017-08-26 | 2018-01-09 | 卢永星 | A kind of lower electric discharge part for clearance lightning-proof |
| CN113299445A (en) * | 2021-05-28 | 2021-08-24 | 固力发电气有限公司 | High-voltage composite post insulator |
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