BE681613A - - Google Patents

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Publication number
BE681613A
BE681613A BE681613DA BE681613A BE 681613 A BE681613 A BE 681613A BE 681613D A BE681613D A BE 681613DA BE 681613 A BE681613 A BE 681613A
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Belgium
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coil
current
desc
page number
clms page
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French (fr)
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Publication of BE681613A publication Critical patent/BE681613A/fr

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H77/00Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
    • H01H77/02Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
    • H01H77/06Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electromagnetic opening

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Description

  

   <Desc/Clms Page number 1> 
 
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  " 1>'uJlhlc automatiquu puri'cc'ionriL' ". 



   La présente invention concerne un fusible   autocritique   per- fectionné ausurant l'interruption du courant des l'apparition d'une surcharge, respectivement d'un court-circuit, dans le cir- cuit assuré, ainsi que le retour automatique du courant normal 
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 des la disparition de ladite surcharge, respcctlVCi1C:11t dudit court circuit, 
On a   déjà   propose divers types de fusibles   dans     lesquels   l'interruption du courant s'effectue de maniète   automatique   des l'apparition d'une   surcharge,   ces fusibles exigeant toutefois une intervention manuelle pour le   rétablissement du   courant. 



   Par rapport a ces fusibles connus, l'objet de la   présente   invention offre l'avantage de ne nécessiter aucune intervention manuelle, sur le fusible   lui-même,   pour le rétaplissement du courant. 

 <Desc/Clms Page number 2> 

 



  Ainsi par exemple, dans une habitation où plusieurs crises de courant sont contrôlées par un seul et même fusisle, il sera   très   aisé pour l'utilisateur de déterminer la cause ;:'un éventuel court-circuit en cas d'interruption du courant. 11 suffira en effet de débrancher l'un après   l'autre les     dispositifs     alimentes   par le circuit   considère,   et cc, jusqu'à   réapparition du   courant: le dernier dispositif débranche est défectueux. 



   Ln usage industriel, un fusible selon l'invention peut également s'avérer très intéressant la où il   s'a,;it de     protéger   certaines   installaticns   ou parties   d'installation soit   contre des surcharges temporaires éventuelles, soit contre des variations importantes d'intensité de courant. 



   Ces avantages sont fournis par un fusible selon l'invention,   lequel est à cette fin substantiellement constitue par la combi-   naison d'au moins: un interrupteur, des   @@@@@   es maintenant normale- ment cet interrupteur en position   fermée   tant .,   @     l'intensité   du courant traversant le fusible est en reste inféricure a une valeur prédéterminée, des moyens amenant ledit   interrupteur   temporaire- ment en position ouverte; aussi longtemps que l'intensité du courant reste supérieure ou égale a ladite valeur donnée et des moyens destines à absorber l'intensité du courant lorsque ledit interrupteur est en position ouverte. 



   Pour mieux faire ressortir les   caractéristiques   et avantages d'un tel fusible, un   exemple de   mise en oeuvre de l'invention est décrit ci-après à titre illustratif et non restrictif, référence étant faite au dessin annexé, lequel   représente   schématiquement un fusible selon l'invention. 



   Comme représente, cc fusible est constitue par une enceinte 1 dans laquelle sont   aménagés  un interrupteur 2, des moyens 3 maintenant normalement cet interrupteur en position   fermée, des   moyens 4 amenant l'interrupteur 2 en position ouverte lorsque l'in-   tensité   du courant dépasse une valeur   prédéterminée et,   durant cet- 

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 fermant ainsi l'interrupteur 2, 
Pour des raisons de sécurité, ou peut en outre   prévoir   un 
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 bi.-netal lé sur la conduite d'entrée 12, ce ci-r:0t;::!. étant relié en 11 :: l'extrCmité supérieure de la D;:!'r'C .2 ceci afin d'assister la bobine 11 ou de pallier au grillage   éventuel   de   cette     dernière.   



  Egalement pour   des   raisons de   sécurité,     on     peut     prévoir   un inter- rupteur   général   18 du fusible,   commande   par un bouton poussoir 19. 



   Il est évident que l'invention n'est nullement limitée à l'exemple de réalisation susdécrit, tous moyens   équivalents   pouvant être mis en oeuvre pour atteindre les résultats   envisages.   



   Ainsi, par exemple, seul le bi-métal 16 pourrait être utilise 
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 pour assurer l'ouverture de i' interru, teur 2 à l'exclusion de la bobine 11 De nombreuses adaptations et .-aodifieations pourront aisément Ctre déduites de ce qui précède par l'ho::l.-:1c de ::1'':: t io¯:' , afin d'adapter le fusible susdécrit à des   exigences     particulières     d'utilisation   ou de fabrication, sans pour autant   sortir   du   cadre   de la   présente   invention. 
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 it::1 .ii>v,?=:.I, 1..- l-'usiole iiàtnmatiaue perfectionne, caractérise en ce qu'il est sU:):3:l:1t:.c:lc::-.0nt constitue par la ÇO:1..)i.:l1iscn d'au ..oins:

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**ATTENTION** fin du champ DESC peut contenir debut de CLMS **.



   <Desc / Clms Page number 1>
 
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  "1> 'uJlhlc automatiquu puri'cc'ionriL'".



   The present invention relates to a self-critical fuse improved by interrupting the current on the appearance of an overload, respectively of a short-circuit, in the assured circuit, as well as the automatic return of the normal current.
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 upon disappearance of said overload, respcctlVCi1C: 11t of said short circuit,
Various types of fuses have already been proposed in which the current is interrupted automatically on the appearance of an overload, these fuses however requiring manual intervention to restore the current.



   Compared to these known fuses, the object of the present invention offers the advantage of not requiring any manual intervention, on the fuse itself, for the restoration of the current.

 <Desc / Clms Page number 2>

 



  Thus, for example, in a house where several current crises are controlled by one and the same fusesle, it will be very easy for the user to determine the cause;: a possible short-circuit in the event of a current interruption. In fact, it will suffice to disconnect one after the other the devices supplied by the circuit considered, and cc, until the current reappears: the last disconnected device is defective.



   Ln industrial use, a fuse according to the invention can also prove to be very advantageous where it is necessary to protect certain installations or parts of installations either against possible temporary overloads or against significant variations in intensity. current.



   These advantages are provided by a fuse according to the invention, which for this purpose is substantially constituted by the combination of at least: one switch, normally keeping this switch in both closed position. , @ the intensity of the current flowing through the fuse is still less than a predetermined value, means bringing said switch temporarily to the open position; as long as the intensity of the current remains greater than or equal to said given value and means intended to absorb the intensity of the current when said switch is in the open position.



   To better demonstrate the characteristics and advantages of such a fuse, an exemplary implementation of the invention is described below by way of illustration and not restrictively, reference being made to the appended drawing, which schematically represents a fuse according to 'invention.



   As shown, this fuse is constituted by an enclosure 1 in which are fitted a switch 2, means 3 normally maintaining this switch in the closed position, means 4 bringing the switch 2 into the open position when the intensity of the current exceeds a predetermined value and, during this

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 <Desc / Clms Page number 4>

 thus closing switch 2,
For security reasons, or may additionally provide for a
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 bi.-netal on the inlet pipe 12, this: 0t; ::!. being connected at 11 :: the upper extremity of the D;:! 'r'C .2 this in order to assist the coil 11 or to compensate for the possible grilling of the latter.



  Also for safety reasons, a main fuse switch 18 can be provided, controlled by a push button 19.



   It is obvious that the invention is in no way limited to the exemplary embodiment described above, any equivalent means being able to be implemented to achieve the envisaged results.



   So, for example, only bi-metal 16 could be used
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 to ensure the opening of the switch 2 to the exclusion of the coil 11 Many adaptations and.-aodifieations can easily be deduced from the above by the ho :: l .-: 1c of :: 1 '' :: t iō: ', in order to adapt the above-described fuse to particular requirements of use or manufacture, without departing from the scope of the present invention.
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 it :: 1 .ii> v,? = :. I, 1 ..- the iiàtnmatiaue plant improves, characterized in that it is sU :): 3: l: 1t: .c: lc :: - .0nt constitutes by ÇO: 1 ..) i.:l1iscn of at least:

   a switch, means normally riiinionant this switch 01 position iLt '/ linked "1 as long as the current intensive"' 1 '"" S' "i'L the fuse is IÛ remains i..nté1" 'i : .. 11'C.: .. w.2 'Jal'e016)'. li C: yC.: '.: l.LilC: \: ,, des SiC :: by bringing its switch rt C ::: J 0 l': .L: .rc: in \ ..:: .j 1.: ..:. C ;: 0 L.;. '1 \!' t.:. l: J.: ¯:.: ..: ... 1.

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** ATTENTION ** end of DESC field can contain start of CLMS **.

 

Claims (1)

@- @@ible selon, les revendications 1 et 2, caractérise en ce <Desc/Clms Page number 5> EMI5.1 ±..,zi;1:,i . ¯;;1 : ] \ """'- * ........:...::'....::. @ - @@ ible according to claims 1 and 2, characterized in that <Desc / Clms Page number 5> EMI5.1 ± .., zi; 1:, i. ¯ ;; 1:] \ "" "'- * ........: ... ::' .... ::. ,-".:::.....\........ .. i;;.:.= .............' -;'... ¯.. ,:i ., , 1 t<.¯ .. :. , - ". ::: ..... \ ........ .. i ;;.:. = ............. '-;' ... ¯ ..,: i.,, 1 t <.¯ ..:. ",:',": ..'";..;1".......1,:::.......'1 :':"";:'"..:.:' ; l :: :; -'- :.,)::,lL;. ,rJ: l.:: .......- ;...:'....::: ," "... , -,::::,;':'.:. -.; ;,::' "".:",,';...:.; Cd:' ...:11::"'';'" :-i:' l':;'...ciJ''':!'''' ,l, ,'" "-.::.:'......:,..d. -40'" (:. i:ttt...::"=>'...t.l:' ',i!;"'/':'t, '::.::3.i ";. ,:(.; 'l'''' -'::'.."l-.' :Ii r"':'.l:,:': --''.. ",: ',": ..' "; ..; 1" ....... 1, ::: ....... '1:': "";: '"..: .: '; l :::; -'-:.,) ::, lL ;., rJ: l. :: .......-; ...:' .... ::: , "" ..., -, ::::,; ':'.:. - .;;, :: '"".: ",,'; ...:.; CD: '...: 11 :: "' ';'": -i: 'l':; '... ciJ' '' :! '' '', l,, '"" -. :: .: '......:, .. d. -40 '"(:. I: ttt ... ::" =>' ... tl: '', i!; "'/': 'T,' ::. :: 3.i";. , :( .; 'l' '' '-' :: '.. "l-.': Ii r" ':'. l:,: ': -' '.. C f.:. t. -:: ; .,-; ;'1 l G : :)..-- .."'l...".J. à<L.;1 .1 : :. ':.-(':;l".,ic::.>.... , 1, :;,1;'=.==,:ii;;=. .....'ri ',-L' ":';, >,,:11it :1C' ",\ -, ":-' ,:'"'. ' ..1:"';:'..(!:..t:' .;:;; <-[.1li.:".).C:: (;;1 (.!,tion 'J\...!.vÍ::".(; :()t -J :'v- -:1:' : -.)':'-.---::0l 'u:t. t¯!,C c:;:',:'-.:- ;.?ì>1..<st t..:Il.0<a . ,.. u:c ""''1:'t..:.c ".'.; :1"':' #ô;;1.jlo, et dont l'autre e::":.rf.;it,,:, \-;::t r":2.1(: .1 l.J.J: :,::..' :;G+"';tlli.r'-l.e ;lci; ::10J'C:S dl- .1...ncl; 0t'nt ,'...; :--.U'l!' :,1:':':'::""'¯'!1.r l'a¯w. .cat:tiol: de ce ùi-:: Gi;i1 t:..H1+:' r;ta. lcdit fl;l':"'I,.::,t.:U11 cil. ouvert Z11nDi lue: pour aL'so:'bL.':' l' nt!-=:n5ltC: d\.. ::J'1:".7.;:t ..,..:,':lit ,-...;t:e )0r.io:1C'. c.- I'usiolc :iCQi. !¯.: re'"-¯'G":"2.tiün ',, caI'1cér'.i:3(' C:I1 eu rjuc, ou'.r'c C(:.:.L: C f.:. t. - ::; ., -; ; '1 l G::) ..-- .. "' l ...". J. at <L.; 1 .1::. ': .- (' :; l "., ic ::.> ...., 1,:;, 1; '=. == ,: ii ;; =. .....' ri ', -L '":' ;,> ,,: 11it: 1C '", \ -, ": -',: '"'. '..1: "';: '.. (!: .. t: '.;: ;; <- [. 1li.:".).C :: (;; 1 (.!, Tion' J \ ...!. VÍ :: ". (; :() t -J : 'v- -: 1:': -.) ':' -.--- :: 0l 'u: t. t¯!, C c:;:',: '-.: -;.? ì > 1 .. <st t ..: Il.0 <a., .. u: c "" '' 1: 't ..:. C ".' .;: 1" ':' # ô ;; 1.jlo, and the other e :: ":. rf.; It ,,:, \ -; :: tr": 2.1 (: .1 lJJ::, :: .. ':; G + "' ; tlli.r'-le; lci; :: 10J'C: S dl- .1 ... ncl; 0t'nt, '...;: -. U'l!':, 1: ': ':' :: "" '¯'! 1.r l'āw. .Cat: tiol: of this ùi- :: Gi; i1 t: .. H1 +: 'r; ta. Lcdit fl; l' : "'I,. ::, t.:U11 cil. Open Z11nDi read: for aL'so:' bL. ':' L 'nt! - =: n5ltC: d \ .. :: J'1:" .7.;: T .., ..:, ': lit, -...; t: e) 0r.io:1C'. C.- I'usiolc: iCQi.! ¯ .: re '"- ¯'G ":" 2.tiün ',, caI'1cér'.i: 3 (' C: I1 eu rjuc, ou'.r'c C (:.:. L: L#1;.lna;je, le fU:.3i:)lc' CO:1)OrC un bi--Lal du l.'CüI'1!,l.', tel r <ic (iC'crit. dans la r'CJ(.rlQlWit10:1 j. L # 1; .lna; i, fU: .3i:) lc 'CO: 1) OrC un bi - Lal du l.'CüI'1!, L.', Such r <ic (iC'crit. in the r'CJ (.rlQlWit10: 1 j. 7." rusibic s:-'lon 1"Jnioe Jcc r':.'VCnÙlCatlOrt,'. 4 ...1 u, caracturisc cri ce q'jc ledit3 ::1CJ"..:;S a('.L..Lûnttcls sont conztitu&> par une 'voi;iric C:IItCüT'ilf?' 1Ti;ii,e barre et CCr:IICCtt. eri :u:r'1C 3'J(:C ladite :r c:::¯ar<: bobine';, rc sr':ct i 'e;:1.::r, '.edit t'i-^.'tal, cette c:cuai:;u bobine L'tanL dstin0c' a r:,r:.'t:c:r temporairement l'intcnsit.: du courant. 7. "rusibic s: - 'lon 1" Jnioe Jcc r':. 'VCnÙlCatlOrt,'. 4 ... 1 u, caracturisc cri ce q'jc said3 :: 1CJ "..:; S a ('. L..Lûnttcls are conztitu &> by a' voi; iric C: IItCüT'ilf? '1Ti; ii , e barre and CCr: IICCtt. eri: u: r'1C 3'J (: C said: rc ::: ¯ar <: coil ';, rc sr': ct i 'e;: 1. :: r , '.edit t'i - ^.' tal, this c: cuai:; u coil L'tanL dstin0c 'ar:, r:.' t: c: r temporarily the current. 3.- Fusible selon la rcvcitaication 7, caractcriiju en ce qU'UIIC rusistancc auxiliaire est ,i<intJi en 3i:'ric avec ladite deuxième bobine:, <Desc/Clms Page number 6> EMI6.1 .. ,""à5ÀiÀe sc:'o: :.rr:e O"J. :1:.:¯......... :l'; ;":;'/-;'.";'':'c¯.:c;,..s ±rà ..- ..-7.t':OE, ':'.:"";L\t,.:i:.>- .:;-'. C'-' '' -- -: ± <7'J..1 ('1";', ::'.1::...':-,:"\";;'':J.:" l'±4I'À- .T ::.::: .,:':.,-:, ::c:--':-:¯:":l..: .T.Li.-:i'121'ii.éFlZ, ,#O ."±±Ôil' ':.il'ii .t.il'ie -{:':'='::';I,;..':,-, :::',--:':,;"":": ",'-':':2:C:t :"'. ....: ¯.'-'::'''",", :"'-"';";''--::-,.-,(.:." '::' ::-...:...:...¯... ¯A ....-....... :,;"','..::\ 3.- Fuse according to recvcitaication 7, characterized in that the auxiliary rusistancc is UIIC, i <intJi in 3i: 'ric with said second coil :, <Desc / Clms Page number 6> EMI6.1 .., "" to5ÀiÀe sc: 'o:: .rr: e O "J.: 1:.: ¯ .........: l';":; '/ -;'. " ; '': 'c¯.: c;, .. s ± rà ..- ..- 7.t': OE, ':' .: ""; L \ t,.: i:.> -. :; - '. C'-' '' - -: ± <7'J..1 ('1 ";', :: '. 1 :: ...': - ,:" \ ";; '': J .: "l '± 4I'À- .T ::. :::.,:':., - :, :: c: - ': -: ¯:": l ..: .T.Li .-: i'121'ii.éFlZ,, # O. "± ± Ôil '': .il'ii .t.il'ie - {: ':' = '::'; I, ; .. ':, -, :::', -: ':,; "": ":",' - ':': 2: C: t: "'. ....: ¯.' - '::' '' ",",: "'-"'; "; '' - :: -, .-, (.:." '::' :: -...: ... :...AT ....-....... :,;"','..::\
BE681613D 1966-05-26 1966-05-26 BE681613A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0325812A1 (en) * 1987-12-21 1989-08-02 North American Philips Corporation Capacitor having current surge protection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0325812A1 (en) * 1987-12-21 1989-08-02 North American Philips Corporation Capacitor having current surge protection

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