DE1908712B2 - DEVICE FOR DISPLAYING ELECTRIC SHELLS ON HIGH VOLTAGE INSULATORS - Google Patents

Description

2 shows an insulator cap in side view with new installations of a FreileU ^

a clamp, an open arc guide ring and exemplary embodiment nacdfi ^ _{β enen}

a fuse wire for existing free insulator cap 11 from the start ™ i ^ B ^ ^

line routes, tabs 6 to be provided in Ge.

Fig.3 a an insulator cap in side view with S auxiliary insulators 2senaltertsino. _{He {indungs} -

an * open arc guide ring and an in a further ™ ^A ¥ g ££ $ t * LvdxAt * «>

Fusible wire for existing overhead lines is attached to the _{^ £ ^ leitri l}

^Str ? ^en a view from below of an insulating cap Π £ away from its opening point,

³ A " ^^^ S ^

WA side view of an isolator cap ^^^^^ XS ^

similar to Fig. 3 a, but for new overhead lines "^ tei ^ ^^ response of the relevant

^ke Ser ^m | SS, ngsisol.tor according to the fig. 1, as ^ "^ ¹ ^ / ^ ¹ AEEN wesentliallsemein common in long-rod insulators, with two, ₅ The Sc ^hau" ^ ^ S 5nÄ ais other weather-

Insulator caps 11 and 12 are provided as fittings. chen parts from Keranu *. or a _sjc | _{side is}

The overhead lines already in operation are covered with ^Is ° ^; ° ™? · _{The color}

di F i 2 it overturned ° Jr ^s elbs ^ euchlgg «™ ^

Hei overhead lines already in operation rungg ^ ;? covered in _paint

is attached to the one insulator cap 11, as shown in FIG. 2 with conspicuous ° Jr ^s elbs ^ euchlgg «™ ^ _ver .

Zeist, an arc guide »1 in the form of an open or with a corresponding taroig

Ring attached, which hides the edge of the cap in such a way-> o Auxiliary insulators 2 can be

_{concludes that an arc must be so calibrating} its foot point on ^ n point mg H ts.

sets this ring. A single ^r ™ ' ^tsiso ' _{,, n}

f d di K nten ^^ ST

sets this ring. By means of the auxiliary

the ring of the stretched around the cap »^^^^ STriindungsgedan Clamp3 isolated. The sleeve 7 is attached to it, the case it is in development α

the auxiliary insulators 2 holds. The arc guide ring 1 * 5 kens ^ eOMjJw mdg ^ _an . il d Shlihdhtesa conductive can ever em S * ^ '^ " ⁵ ^ ^ 1

the auxiliary insulators 2 holds. The arc guide ring 5 ^ jJ g ^ _an

becomes conductive by means of the fuse wire a can each em S * ^ '^ " ⁵ ^ ^ ₀ according to FIG. 1

connected to the insulating cap, namely enteaer, the fittings to be attached, so η

as shown in FIG. 2 shows with the clamp 3 or how the insulation caps II and ΛΖ- _{[i: ht work} .

FIGS. 3, directly to the insulator cap Il The "f" ndungsgemaBe Anzag ^ _{e, Baren}

there. By means of the fuse wire .st nor- 30 let ^m ^ _{romes or in a} simple way. one

sometimes, that is, during operational melting action without rollover, de ^ s ^c mag _estreble

times of the insulator in question, the flag 5 TeHs of the same. Has en ü ^ g >> _{only d}

held in a mechanically unstable position. ^ActU &3rah't 4 to be attached, and the Scha

i i lktih Überchlag tnfft der ^^ ™ ^^

'BTeine-m-efekirisc-hen flashover the ^^^^^^ At ^^ arc hits the arc guide ring 1 and becomes 35 c hen 5 is on sn ^eue ' ⁿ f ^ _{11 of the} Schauzci-

inevitably to the insulator cap 11 through the here treatment to core - a fuse wire 4 that melts again. Zugle.ch ch ens w. «D ^ JjJ" ^{er l} ™% i _finding sthankens the associated switch in the switching station is found out- ^ ctan DurJbMu ^ des £ * _{) namely} .

solve, so that even the distance section scan an f ™ ^{n »{Ji} Alterna η los fe _{by melt} n his bounded rich. After cessation of the holding force ₄ o ^ JfJ ^^ Zden falls and if it is the fuse ^{wire 4 but also a "aI} _r ^ ^d . ^R ^ k _b escTiädi _R t. Since there is, however, from a clearly recognizable change in the Lagr of the look-h erbei s ark damaging _{] ock} · _{he lcUl}

occurred zeichens5 or Schauzeichen5 is """J ^ J ^" ™ _{ma "c} hen cases dropped without already on the ground, so that the will betref- ι may _{be used} wm. - Toilet-

fende isolator easy to identify. 45 "* ^^""fJ" _ns " _he progressiveness of the invention

In addition, locating can be done by means of “η ist d« ^tc = ^h ™ J _{8, two simple} , well-known search devices for radios ^ pjinnu ^ n ertodv. S ^ t ^ Äünd mentions only slightly differing solutions for the task at hand, one of which is tailored to already installed, the other to new line insulators to be created. can. "

1 sheet of drawings

Claims (6)

ι 2 Such a special display device should claim: according to British patent I 028 686 by the inductive effect of a flashover current (or 1. Optical display device for with Anna- another abnormally high current) in one Doors provided high-voltage insulators, through 5 metallic ones attached to the insulator in question which trigger an electrical flashover just a short turn. If necessary, the ste distance from the ground is recognizable, inductive effect are reinforced by the fact that characterized in that one of the said turns is the Pnmanvconnection of a the insulator caps (11) in the direction of the other transformer also attached to the insulator Insulator cap (12) forms with insignificant shortening and the inductively generated current surge in the tion of the striking distance one of it by relatively multi-layer secondary winding the display front small Triggers auxiliary insulating body (2) electrically isolated. This drawing of lots exists th, open arc guide ring (i) carries, the p.n according to the special explained in the document only one place by means of a fuse-type of realization of the inventive concept, body (4) with the insulator cap carrying it 15 that the induction or secondary current is a (Π) is conductively connected, and that ignites during the small explosive charge. The explosion The rollover-free operating time of the relevant throws a previously widely visible, angc-isolator on the isolator an indicator (5) simply brought down the disc to the ground or ground it The fuse body (4) in a mecha- nism breaks it into several pieces. - This display nisch unstable position is held. 20 device requires a relatively high technical level 2. Display device according to claim 1, there and thus ~ also economic effort for each characterized in that the fusible link insulator of the relevant line. Has it unique approximately body (4) offset by 180 ° to the opening and addressed in the intended way, so Place the arc guide ring (1) with this for restoring the display-ready guide ring is electrically connected. 25 shaft required: 3. Display device according to claim 1 or 2, _, ". . c «, o« «K ^., _nn ci ^ v,: ii jj i_ 1 · ufj ο j · ι. »CtJT Removal of the remains of the explosive charge benal, characterized in that the relevant ISO ⁶ 1-0 lator cap (11) with cup-shaped sprues (6) ^s ' is provided in which the the arc guide eliminating the remains of the disc and any (1) supporting auxiliary insulators (2) are attached. 30 additionally damaged parts, 4. Display device after one of the attachment and connection of a new one Claims 1 to 3, characterized in that explosive charge and disc. the indicator (5) made of ceramic or other weather-resistant insulating materials for the purpose of avoiding such a time and and that it is a conspicuous color or material expenditure on the part of the power distribution structure is marked. companies strive to provide such auxiliary devices 5. To design the display device according to one of the above so simple in terms of its design, standing claims, characterized in that they are either on each already built that the fuse body (4) can be retrofitted at least an insulator quickly and easily is partially designed as a fuse wire. 40 or that they have to invest in new insulators 6. Display device according to claim 5, that does not increase significantly. characterized in that the fuse- The invention is therefore based on the object The strength of the wire (4) is matched to prevent electrical flashovers on high-voltage that in accordance with the requirements to be met in the case of arcing, both in the case of overhead lines expected current strengths with security through 45 insulators as well as in new systems through an op- melts before the associated circuit breaker table indicator so that it is on a appeals to. The inspection round shows immediately on which insulator the electrical flashover occurred. Ge this task is solved for old and new 50 lines in principle in the same way in that, according to the invention, one of the insulator caps The invention relates to an optical display front (11) in the direction of the other insulator cap (12) and direction for high tensioners provided with fittings insignificant shortening of the throwing distance voltage insulators, through which an electrical over- from her through relatively small auxiliary insulating body (2) strike at the shortest distance from the ground 55 electrically isolated, open arc guide ring (1) which is recognizable from. carries, which is only carried in one place by means of a melting The operation of high-voltage systems requires the fuse body (4) with the insulating often an immediate detection of a rollover cap (11) is conductively connected, and that while Job. Although the rollover-free operating time of the relevant The information available on the modern recorder only shows the isolator with an indicator (5) to convey in which power supply unit or line the fuse body (4) in a mechanical kenabschnitt an electrical flashover is held in some unstable position. nem isolator took place, but it is without a special embodiment of the invention for both ar- its display device is hardly possible, the overhead lines concerned are shown in the drawing find out the isolator when the time comes up and are described in more detail below, wall should stay low. This fact holds true before it shows especially if there is obvious damage to F i g. 1 a long rod insulator with two connection did not enter the isolator. Valves of the commonly used design,