CN107181226A - A kind of cable for mounting area arrester and overhead line all insulation clutch - Google Patents

A kind of cable for mounting area arrester and overhead line all insulation clutch Download PDF

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Publication number
CN107181226A
CN107181226A CN201710493704.0A CN201710493704A CN107181226A CN 107181226 A CN107181226 A CN 107181226A CN 201710493704 A CN201710493704 A CN 201710493704A CN 107181226 A CN107181226 A CN 107181226A
Authority
CN
China
Prior art keywords
arrester
plug
insulation
strip
top surface
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.)
Granted
Application number
CN201710493704.0A
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Chinese (zh)
Other versions
CN107181226B (en
Inventor
孙雅云
徐晔
朱钦
吴辉
施宇谦
潘军娅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Electric Porcelain Works Co Ltd
State Grid Shanghai Electric Power Co Ltd
Original Assignee
Shanghai Electric Porcelain Works Co Ltd
State Grid Shanghai Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Electric Porcelain Works Co Ltd, State Grid Shanghai Electric Power Co Ltd filed Critical Shanghai Electric Porcelain Works Co Ltd
Priority to CN201710493704.0A priority Critical patent/CN107181226B/en
Publication of CN107181226A publication Critical patent/CN107181226A/en
Application granted granted Critical
Publication of CN107181226B publication Critical patent/CN107181226B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00Overhead installations of electric lines or cables
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G13/00Installations of lightning conductors; Fastening thereof to supporting structure

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  • Insulators (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)

Abstract

The invention discloses a kind of cable for mounting area arrester in electrical equipment field and overhead line all insulation clutch, including underframe and plug-in strip, upper supporting column insulator, arrester and lower supporting rod insulator are sequentially provided with the top surface of the underframe;The side of the upper supporting column insulator top surface away from the arrester is fixed with upper contact head, and the upper supporting column insulator top surface is fixed with support close to the side of the arrester;The fixing end of the top surface of the lower supporting rod insulator and lower contact is fixed, and the top surface of the free end of the lower contact is fixed with for connecting the earth brace into ground cable;The top surface of the fixing end of the lower contact is fixed with stop block;The pivotally connected end of the plug-in strip and the stop block are pivotally connected, and the free end of the plug-in strip can be contacted with the support clamping and with the upper contact head face;The middle part of the plug-in strip is provided with contact that can be with the fingertip grafting of the arrester top surface.

Description

A kind of cable for mounting area arrester and overhead line all insulation clutch
Technical field
The present invention relates to a kind of cable for mounting area arrester in electrical equipment field and overhead line all insulation division Device.
Background technology
10kV overhead transmission line standardized designs specifications are netted according to state, at present during overhead line enters ground, it is necessary to pass through Special combined electrical apparatus is connected into ground cable, and institute is public in abbreviation cable, such as the patent application of Application No. 201410226522.3 The protection cable of cloth with can division all insulation arrester, it is by the major function of disconnecting switch/fuse switch and arrester Unite two into one, be greatly improved searching, the speed of tracing trouble point, operating efficiency during hot-line repair, construction quality is obtained entirely Face is lifted, and labor intensity reduction, power off time is short, and power failure range is small, and safety coefficient is high, smaller to customer impact, improves power supply Reliability, is of great immediate significance.
But there is also defect once for the product:
First, lower contact is directly connected to cable, easily causes ground short circuit, influences the normal operation of equipment.
Second, upper contact head is directly connected to overhead line so that under moist meteorological condition, and the security of load operation drops significantly It is low.
The content of the invention
The invention aims to overcome the deficiencies in the prior art there is provided a kind of cable for mounting area arrester with Overhead line all insulation clutch, its can effectively prevent lower contact and enter ground cable between ground short circuit, it is ensured that operation can By property.
Realizing a kind of technical scheme of above-mentioned purpose is:A kind of cable for mounting area arrester and overhead line all insulation Upper supporting column insulator, arrester and lower supporting rod insulation are sequentially provided with clutch, including underframe and plug-in strip, the top surface of the underframe Son;
The side of the upper supporting column insulator top surface away from the arrester is fixed with upper contact head, the upper supporting column insulator Top surface is fixed with support close to the side of the arrester;
The fixing end of the top surface of the lower supporting rod insulator and lower contact is fixed, and the top surface of the free end of the lower contact is consolidated Surely have for connecting the earth brace into ground cable;
The top surface of the fixing end of the lower contact is fixed with stop block;The pivotally connected end of the plug-in strip and the stop block pivot Connection, the free end of the plug-in strip and can be contacted with the support clamping with the upper contact head face;
The middle part of the plug-in strip is provided with contact that can be with the fingertip grafting of the arrester top surface.
Further, the top surface of the upper supporting column insulator is provided with the upper insulation for covering the upper contact head and the support Cover, the top surface of the lower supporting rod insulator provided with the lower insulating boot for covering the stop block and the lower contact, the drop bar to On pass the lower insulating boot.
Further, the free end of the lower contact is bent to the side away from the underframe.
Further, the support is provided with lockhole, and the free end of the plug-in strip is provided with lock, and the lock is close to described One end of contact is pivotally connected by the free end of the first bearing pin and the plug-in strip, and be formed down can be with the lockhole clamping Latch hook, the top of the latch hook is provided with the combined floodgate stop block that is located at and in the plug-in strip and can be struck.
Further, it is provided with pulling buckle between the lock and the contact, the pivotally connected end of the pulling buckle passes through the Two bearing pins and the plug-in strip are pivotally connected, and the free end of the pulling buckle is finger of choosing that can be with the combined floodgate stop block clamping, the drawing Draw ring is formed at the top of button, and the lower section of the draw ring is provided with positioned at second bearing pin and the lower opening chosen between referring to, described The spacer pin adherent with the lower opening is provided with lower opening, back-moving spring is provided between second bearing pin and the combined floodgate stop block, The lower contacts of the back-moving spring and the spacer pin.
Further, the radial outside socket axle sleeve of second bearing pin, the back-moving spring connects the axle sleeve.
Further, the plug-in strip coated insulating sleeve, the draw ring passes the insulation sleeve upwards, and the contact is downward Pass the insulation sleeve.
Further, the bottom surface of the underframe is provided with installation connecting plate.
Further, between the upper supporting column insulator and the underframe, the lower supporting rod insulator and the underframe it Between be equipped with paper washer.
Further, cup packing is provided between the stop block and the lower contact.
Employ a kind of cable for mounting area arrester of the present invention and the technical side of overhead line all insulation clutch Upper supporting column insulator, arrester and lower supporting rod insulator are sequentially provided with case, including underframe and plug-in strip, the top surface of the underframe; The side of the upper supporting column insulator top surface away from the arrester is fixed with upper contact head, and the upper supporting column insulator top surface is close The side of the arrester is fixed with support;The fixing end of the top surface of the lower supporting rod insulator and lower contact is fixed, it is described under The top surface of the free end of contact is fixed with for connecting the earth brace into ground cable;The top surface of the fixing end of the lower contact is fixed There is stop block;The pivotally connected end of the plug-in strip and the stop block are pivotally connected, and the free end of the plug-in strip can be with the bracket clamp Connect and contacted with the upper contact head face;The middle part of the plug-in strip is provided with contact that can be with the fingertip grafting of the arrester top surface. It has the technical effect that:Lower contact can effectively be prevented and enter the ground short circuit between ground cable, it is ensured that reliability of operation.
Brief description of the drawings
Fig. 1 is implemented for a kind of cable for mounting area arrester of the present invention with the first of overhead line all insulation clutch The front view of example.
Fig. 2 is implemented for a kind of cable for mounting area arrester of the present invention with the first of overhead line all insulation clutch The top view of example.
Fig. 3 is implemented for a kind of cable for mounting area arrester of the present invention with the second of overhead line all insulation clutch The front view of example.
Embodiment
Referring to Fig. 1, the present inventor is in order to be able to preferably understand technical scheme, lead to below Specifically embodiment is crossed, and is described in detail with reference to accompanying drawing:
First embodiment:
Refer to Fig. 1 and Fig. 2, a kind of cable for mounting area arrester of the invention and overhead line all insulation division Device, including underframe 1 and plug-in strip 5.Upper supporting column insulator 2, arrester 3 and lower supporting rod insulator are sequentially provided with the top surface of underframe 1 4.Paper washer wherein is equipped between upper supporting column insulator 2 and lower supporting rod insulator 4, and underframe 1, for ensureing that upper supporting column is exhausted Insulating properties between edge 2 and lower supporting rod insulator 4, and underframe 1.The bottom of underframe 1, which is provided with, to be used for the one of the present invention The cable and overhead line all insulation clutch that kind can mount area arrester are installed on the installation connecting plate 11 on shaft tower.
Wherein side of the top surface of upper supporting column insulator 2 away from arrester 3 is fixed with upper contact head 21, the fixation of upper contact head 21 End is fixed with side of the top surface of upper supporting column insulator 2 away from arrester 3, and free end is stretched out to the side away from arrester 3.
The top surface of upper supporting column insulator 2 is fixed with the support 22 of square close to the side of arrester 3.2 points of support is vertical Straight section, and the horizontal segment fixed with the top surface of upper supporting column insulator 2 close to the side of arrester 3.On the vertical section of support 22 Provided with lockhole 221.The top surface of the vertical section of support 22 is provided with groove (being display in figure).
The top surface of lower supporting rod insulator 4 is fixed with lower contact 41, the fixing end of lower contact 41 and the top of lower supporting rod insulator 4 Face is fixed, and free end is stretched out to away from the side of arrester 3, and is bent to away from the side of underframe 1, the top of the free end of lower contact 41 Face is fixed with earth brace 42, and earth brace 42 is connected into ground cable, for a kind of area arrester that mounts for preventing the present invention With entering ground cable ground short circuit occurs for cable and overhead line all insulation clutch, and it is lightning-arrest that protection one kind of the invention can mount area The cable of device and overhead line all insulation clutch, can normally run.The top surface of the fixing end of lower contact 41, which is fixed with, to stop Gear 43.Cup packing is provided between stop block 43 and lower contact 41, to ensure the electric conductivity between plug-in strip 5 and lower contact 41.
The pivotally connected end of plug-in strip 5 and stop block 43 are pivotally connected, and the free end of plug-in strip 5 can be embedded in the vertical section top of support 22 In the groove in face, and contacted with the face of upper contact head 21.The free end of plug-in strip 5 is additionally provided with for plug-in strip 5 to be locked with support 22, is prevented Plug-in strip 5 departs from and the lock 6 of automatic brake separating when deadweight, vibrations and system short-circuit electric power with support 22, plug-in strip 5 Middle part is additionally provided with contact 51 corresponding with the position of arrester 3, and contact 51 can be inserted with the fingertip 31 being fixed on the top surface of arrester 3 Connect.
Lock 6 is pivotally connected by the free end of the first bearing pin 61 and plug-in strip 5 close to one end of contact 51, and forms one Latch hook 62 that can downwards with the clamping of lockhole 221 of support 22, the top of latch hook 62 is stopped provided with a combined floodgate being connected in plug-in strip 5 Gear 63, the top surface clamping with latch hook 62, limitation 6 rotational band moveable lock hooks 62 of lock depart from the lockhole 221 of support 22, so as to prevent lock Knife 5 departs from and automatic brake separating when deadweight, vibrations and system short-circuit electric power with support 22.
It is provided with pulling buckle 7 between lock 6 and contact 51, the pivotally connected end of pulling buckle 7, i.e., away from latching 6 one end by the Two bearing pins 71 and plug-in strip 5 are pivotally connected, and the radial outside socket axle sleeve 72 of the second bearing pin 71.The free end of pulling buckle 7 is provided with and chosen Refer to 73, choose the bottom surface clamping for referring to 73 and combined floodgate stop block 63.The top of pulling buckle 7 is draw ring 74, and the lower section of draw ring 74 is positioned at second Bearing pin 71 and choosing refers to the lower opening 75 between 73, and the spacer pin 76 adherent with lower opening 75 is provided with lower opening 75.
It is provided with back-moving spring 52 in plug-in strip 5, on the axle sleeve 72 that one end of back-moving spring 52 is overlapped in, another side pressure is located at lock On the combined floodgate stop block 63 of button 6, the middle part of back-moving spring 52 is resisted against the lower section of spacer pin 76.
A kind of cable for mounting area arrester of the present invention and overhead line all insulation clutch, are installed on shaft tower, Head of mast is provided with insulator, and bottom is provided with into ground cable, and overhead transmission line is set up in the top of the insulator, and upper contact head 21 leads to Cross and pacify general joint and be connected with overhead line, lower contact 41 is by earth brace 42 and enters ground cable connection.
When needing sub-switching operation, load cutter penetrates the draw ring 74 of pulling buckle 7, and plug-in strip is pulled to away from the side of underframe 1 5, when just starting, there is larger frictional force because plug-in strip 5 is in close contact with upper contact head 21, and latch hook 62 is locked with lockhole 221, The remains stationary of plug-in strip 5, and pulling buckle 7 is then rotated around the second bearing pin 72, because spacer pin 76 has one in lower opening 75 Appropriate displacement space, back-moving spring 52 is compacted, and choosing for pulling buckle 7 refers to the 73 combined floodgate stop blocks 63 for stirring lock 6, encloses lock 6 Rotated around the first bearing pin 61, the latch hook 62 of lock 6 spins off from the lockhole 221 of support 22, while lock 6 is close to contact 51 The end face of one end offseted with combined floodgate stop block 63, so as to pull open plug-in strip 5, plug-in strip 5 is separated with upper contact head 21, plug-in strip 5 continues to enclose Rotate, the contact 51 on plug-in strip 5 is also achieved with the fingertip 31 on arrester 3 and separated, stop when plug-in strip 5 is displaced to around stop block 43 Gear 43 screens when just complete whole separating brake process, formd between support 22 and fingertip 31 one it is visible isolate break Mouthful.Arrester 3 is also realized with conductive major loop and separated.
During closing operation, because in the presence of back-moving spring 52, the spacer pin 76 of pulling buckle 7 is in the inner close fitting lower opening of lower opening 75 75 inwall, the operating physical force of such load cutter is acted directly on plug-in strip 5, plug-in strip 5 is rotated around stop block 43, plug-in strip 5 On contact 51 first be embedded in arrester 3 fingertip 31, realize electrical connection.Plug-in strip 5 continues to rotate, plug-in strip 5 and upper contact head 21 Face is contacted, and realizes the electrical connection of conductive major loop.In the process, work of the meeting of latch hook 62 of lock 6 in back-moving spring 52 With it is lower surround the first bearing pin 61 rotation slip into the lockhole 221 of support 22 so that realize plug-in strip 5 contacted with the face of upper contact head 21 and Locking, it is ensured that a kind of cable for mounting area arrester of the invention with overhead line all insulation clutch in angle mount, upside-down mounting, Plug-in strip 5 will not be acted on because of own wt, vibrations and electric power etc., and latch hook 62 is separated with lockhole 221.
A kind of cable for mounting area arrester of the present invention and overhead line all insulation clutch.In "on" position, High-pressure side electric current is connected conducting with overhead line by upper contact head 21, plug-in strip 5, is insulated with the earth, completes the conveying of electric power.Work as generation When thunderbolt or switching overvoltage, the arrester 3 that insulation characterisitic is usually presented shows its excellent nonlinear characteristic, and it is internal excellent Good metal oxide resistance quickly shows to be converted from high resistance to low resistance, and the small increase of voltage can cause electric current to increase The mutation of big several orders of magnitude, now arrester 3 be mutated by insulation bulk properties conductor 801 characteristic, overvoltage passes through 3 pairs of arrester The earth discharges, and when the threshold value of voltage landing to resistor disc, then occurs reversals, the small reduction of voltage can cause resistance It increased dramatically, arrester 3 becomes insulation bulk properties again by conductor characteristics, so as to maintain the normal operating conditions of power system.
A kind of cable for mounting area arrester of the present invention and overhead line all insulation clutch, can be power grid construction Bringing reduces cost, reduces construction intensity, convenient maintenance inspection and fast searching buried cable trouble point, reduces power failure face Beyond product, shortening power off time are there is provided system security reliability etc., the generation of ground short circuit can be also reduced.
In a kind of cable for mounting area arrester and overhead line all insulation clutch of the present invention, upper contact head 21 is with Contact 41 selects high-quality copper busbar, and purity is high, conducts electricity very well, and case hardness is high.Plug-in strip 5 uses cathode copper pultrusion, Increase intensity and rigid flange are also devised with the both sides of plug-in strip 5, it can be ensured that remain to be reliably connected in the presence of electric power. The surface of all conductive major loop parts is handled using silver plating process, can effectively reduce contact resistance, is increased antiseptic property, is carried High power supply reliability.Upper supporting column insulator 2 and lower supporting rod insulator 4 are made by large distance composite material, lightweight, resistant Ability is strong.Underframe 1 is handled using hot dip galvanizing process, and antiseptic property is good, and service life is long.Pulling buckle 6 and lock 7 are suppressed using cast steel Shaping, forced position and rotating fulcrum no-float, operational torque is reduced using lever principle, is conducive to plug-in strip 5 to be avenged in frost Reliable separating brake under hail hazard weather.With reference to the handling characteristics of load cutter, with reference to the mounting means of fuse switch, bottom The bottom surface of frame 1 is added with certain installation connecting plate 11 for installing gradient.
Second embodiment
The difference of second embodiment and first embodiment is:The top surface of upper supporting column insulator 2 adds covering upper contact head 21 and the upper insulating boot 23 of support 22.Upper insulating boot 23 and support 22 are contour.Upper insulating boot 22 is provided with close to the side of arrester 3 One opening for the progress breaking-closing operating of plug-in strip 5.The top surface of lower supporting rod insulator 4 adds covering stop block 43 and lower contact 41 Lower insulating boot 44, drop bar 42 passes lower insulating boot 44 upwards, plug-in strip 5 in addition to the position contacted with the face of upper contact head 2, all Insulation sleeve 53 is coated, draw ring 74 passes insulation sleeve 53 upwards, and contact 51 passes insulation sleeve 53 downwards.Pass through above-mentioned technology hand Section, realizes a kind of cable for mounting area arrester of the present invention and all insulation of overhead line all insulation clutch, it is ensured that A kind of cable for mounting area arrester of the present invention is entered with overhead line all insulation clutch under moist meteorological condition Security during row load operation.
Those of ordinary skill in the art it should be appreciated that the embodiment of the above be intended merely to explanation the present invention, And be not used as limitation of the invention, as long as in the spirit of the present invention, the change to embodiment described above Change, modification will all fall in the range of claims of the present invention.

Claims (10)

1. a kind of cable for mounting area arrester and overhead line all insulation clutch, including underframe and plug-in strip, the underframe Top surface on be sequentially provided with upper supporting column insulator, arrester and lower supporting rod insulator;It is characterized in that:
The side of the upper supporting column insulator top surface away from the arrester is fixed with upper contact head, the upper supporting column insulator top surface Side close to the arrester is fixed with support;
The fixing end of the top surface of the lower supporting rod insulator and lower contact is fixed, and the top surface of the free end of the lower contact is fixed with For connecting the earth brace into ground cable;
The top surface of the fixing end of the lower contact is fixed with stop block;The pivotally connected end of the plug-in strip connects with the stop block pivot Connect, the free end of the plug-in strip and can be contacted with the support clamping with the upper contact head face;
The middle part of the plug-in strip is provided with contact that can be with the fingertip grafting of the arrester top surface.
2. a kind of cable for mounting area arrester according to claim 1 and overhead line all insulation clutch, it is special Levy and be:The top surface of the upper supporting column insulator is provided with the upper insulating boot for covering the upper contact head and the support, the lower branch The top surface of post insulator provided with the lower insulating boot for covering the stop block and the lower contact, the drop bar pass upwards it is described under Insulating boot.
3. a kind of cable for mounting area arrester according to claim 1 or 2 and overhead line all insulation clutch, its It is characterised by:The free end of the lower contact is bent to the side away from the underframe.
4. a kind of cable for mounting area arrester according to claim 1 or 2 and overhead line all insulation clutch, its It is characterised by:The support is provided with lockhole, and the free end of the plug-in strip is provided with lock, and the lock is close to the one of the contact End is pivotally connected by the free end of the first bearing pin and the plug-in strip, and be formed down can be with the lockhole clamping latch hook, institute The top for stating latch hook is provided with the combined floodgate stop block that is located at and in the plug-in strip and can be struck.
5. a kind of cable for mounting area arrester according to claim 4 and overhead line all insulation clutch, it is special Levy and be:Be provided with pulling buckle between the lock and the contact, the pivotally connected end of the pulling buckle by the second bearing pin with it is described Plug-in strip is pivotally connected, and the free end of the pulling buckle is finger of choosing that can be with the combined floodgate stop block clamping, and the top of the pulling buckle is formed Draw ring, the lower section of the draw ring be provided be provided with second bearing pin and the lower opening chosen between referring to, the lower opening with The adherent spacer pin of the lower opening, is provided with back-moving spring, the back-moving spring between second bearing pin and the combined floodgate stop block With the lower contacts of the spacer pin.
6. a kind of cable for mounting area arrester according to claim 5 and overhead line all insulation clutch, it is special Levy and be:The radial outside socket axle sleeve of second bearing pin, the back-moving spring connects the axle sleeve.
7. a kind of cable for mounting area arrester according to claim 5 and overhead line all insulation clutch, it is special Levy and be:The plug-in strip coated insulating sleeve, the draw ring passes the insulation sleeve upwards, and the contact passes downwards the insulation Set.
8. a kind of cable for mounting area arrester according to claim 1 or 2 and overhead line all insulation clutch, its It is characterised by:The bottom surface of the underframe is provided with installation connecting plate.
9. a kind of cable for mounting area arrester according to claim 1 or 2 and overhead line all insulation clutch, its It is characterised by:Between the upper supporting column insulator and the underframe, it is equipped between the lower supporting rod insulator and the underframe Paper washer.
10. a kind of cable for mounting area arrester according to claim 1 or 2 and overhead line all insulation clutch, It is characterized in that:Cup packing is provided between the stop block and the lower contact.
CN201710493704.0A 2017-06-26 2017-06-26 Cable and overhead line full-insulation combiner capable of being hung with grounding zone lightning arrester Active CN107181226B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710493704.0A CN107181226B (en) 2017-06-26 2017-06-26 Cable and overhead line full-insulation combiner capable of being hung with grounding zone lightning arrester

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Application Number Priority Date Filing Date Title
CN201710493704.0A CN107181226B (en) 2017-06-26 2017-06-26 Cable and overhead line full-insulation combiner capable of being hung with grounding zone lightning arrester

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CN107181226A true CN107181226A (en) 2017-09-19
CN107181226B CN107181226B (en) 2024-01-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113628939A (en) * 2021-08-13 2021-11-09 温州益坤电气股份有限公司 Prevent top net overvoltage protection device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201215779Y (en) * 2008-06-23 2009-04-01 南京电气(集团)有限责任公司 Bearing seat for outdoor high-voltage isolating switch
CN203193228U (en) * 2013-03-13 2013-09-11 国家电网公司 Live-line switching lightning arrester
CN103972838A (en) * 2014-05-27 2014-08-06 上海置盟电力科技有限公司 Separable all-insulation lightning arrester for protecting cable
KR101653500B1 (en) * 2015-08-03 2016-09-01 송홍준 Line post Insulator
CN207010168U (en) * 2017-06-26 2018-02-13 国网上海市电力公司 A kind of cable for mounting area arrester and overhead line all insulation clutch

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201215779Y (en) * 2008-06-23 2009-04-01 南京电气(集团)有限责任公司 Bearing seat for outdoor high-voltage isolating switch
CN203193228U (en) * 2013-03-13 2013-09-11 国家电网公司 Live-line switching lightning arrester
CN103972838A (en) * 2014-05-27 2014-08-06 上海置盟电力科技有限公司 Separable all-insulation lightning arrester for protecting cable
KR101653500B1 (en) * 2015-08-03 2016-09-01 송홍준 Line post Insulator
CN207010168U (en) * 2017-06-26 2018-02-13 国网上海市电力公司 A kind of cable for mounting area arrester and overhead line all insulation clutch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113628939A (en) * 2021-08-13 2021-11-09 温州益坤电气股份有限公司 Prevent top net overvoltage protection device

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