EP1098341B1 - Housing for electrical apparatus - Google Patents

Housing for electrical apparatus Download PDF

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Publication number
EP1098341B1
EP1098341B1 EP00927249A EP00927249A EP1098341B1 EP 1098341 B1 EP1098341 B1 EP 1098341B1 EP 00927249 A EP00927249 A EP 00927249A EP 00927249 A EP00927249 A EP 00927249A EP 1098341 B1 EP1098341 B1 EP 1098341B1
Authority
EP
European Patent Office
Prior art keywords
piece
housing
base
lid
mentioned
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.)
Expired - Lifetime
Application number
EP00927249A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1098341A1 (en
Inventor
Maria Lourdes Perdices Torres
Eduardo Calleja Hernandez
José Fernando Mediavilla Telleria
Javier Gomez Martin
Ramon Martin Calvache
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.)
ABB Electrification Solutions SL
Original Assignee
GE Power Controls Iberica SL
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 GE Power Controls Iberica SL filed Critical GE Power Controls Iberica SL
Publication of EP1098341A1 publication Critical patent/EP1098341A1/en
Application granted granted Critical
Publication of EP1098341B1 publication Critical patent/EP1098341B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08—Terminals; Connections
    • H01H71/082—Connections between juxtaposed circuit breakers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages

Definitions

  • circuit-breakers which can be installed connected to differential current detecting devices establishing the necessary interconnections between the respective apparatus by means of external cables.
  • connection cables forces to the use of sheathed cables with an insulating cover, which however does not really guarantee the isolation, since the cables remain with their sheathing as their only protection. The latter can be damaged, with the corresponding risk of discharge or short circuit.
  • the differential current detecting devices are formed by a structural set in which it is complicated to assemble the corresponding mechanisms, as well as the connection between the parts that determine the respective external housing.
  • a housing is proposed for electrical apparatus and especially for the mentioned differential current detecting devices. With said housing some characteristics are obtained which solve the previously indicated problems in a satisfactory way, bringing essentially about some important constructive and functional advantages.
  • This housing, object of the invention consists in a base and a lid, which determine the location for the mechanisms of the apparatus, establishing the connection between the mentioned elements by means of a simple fitting and the fixing by means of the respective hooking adaptors, while in connection with the mentioned set, at the front a piece is connected, which emerges laterally and which determines a prominent structure which fits at the open front of the base, remaining caught by a complementary piece included above the hooking fastening with respect to the housing walls and which determines the connection terminal housing, having the front piece the possibility of a limited insertion and extraction movement, while the mentioned part determines at its outside some grooves that extend partially along the piece, extending along the hooking structure till its end; in these grooves the external connection cables of the apparatus can be housed with the respective disconnector.
  • the disposition of the front piece allows its location to situate the disconnector laterally embedded, while with the subsequent movement of the mentioned piece towards the inside of the base, the inclusion of the connector cables is determined in connection with the disconnector terminals.
  • a fastening lid is clipped on externally. It covers the cable location grooves; while on the upper edge of the piece that stands out laterally some accessory insertable parts are situated to guide and block by means of a hooking button, from which some lugs located on the disconnector terminal come out in projection, sealing their access.
  • a lid On the terminal area of the differential current detecting device itself a lid is in turn situated in a tiltable assembly, which can assure the closing by means of an auxiliary sealing, so as to avoid the access to said terminals by unauthorized people.
  • the switching mechanism of the mentioned differential current detecting device is situated on a support, which has included a lug, by means of which the fastening of this support is established by insertion into a fitting groove defined in a lateral wall of the base.
  • connection with respect to the corresponding disconnector is in turn easy to be carried out because of the mobility of the piece to house the connection cables; while for the mentioned connection bare cables can be used, remaining these perfectly isolated in their position, without any possibility that they could accidentally contact one another, or that an external contact could be established, thus avoiding the risk of electric discharge.
  • the preconized housing certainly has some very advantageous characteristics, acquiring own life and preferable character of application in the apparatus for which it is destined.
  • Figure 1 shows an exploded perspective of the partial housing set formed by the base, the lid and the the external connection cable housing and the complementary piece which determines the terminal locations.
  • Figure 2 is a perspective of the base and of the external connection cable housing, in a faced disposition of the mentioned elements according to the correlative assembly position.
  • Figure 3 is a perspective as the one of the previous figure, having the elements coupled. A partial cutting in the base has been carried out so that the insertion of the external cable locating part can be appreciated.
  • Figure 4 is a perspective of the piece which can be incorporated to cover the access to the application disconnector terminals.
  • Figure 5 is a perspective of the blocking key of the previous piece.
  • Figure 6 is a perspective where the inner part of an external lid of the external cable locating piece can be seen.
  • Figure 7 is a perspective of the lid to access the differential current detector terminals in the preconized housing.
  • Figure 8 is a perspective of the support of the switch mechanism which can be incorporated in the housing.
  • the object of the invention refers to a housing for a differential current detector to be connected to automatic switches, such as disconnectors, which are situated in electrical supply installations, having security and control functions.
  • the mentioned housing is made up of a base (1) which forms the location for the corresponding mechanisms for the apparatus. To this housing a lid (2) which closes the whole set can be connected at the upper part.
  • connection between the base (1) and the lid (2) is established by means of a simple union fitting determining the fixing of the installation by the retaining hooks between the respective structures (3) and (4) producing an elastic hooking by mere insertion.
  • the housing (1) determines at one end an open front, respect to which a complementary part (5) which determines the location for the terminals, being the mentioned part (5) incorporated in the installation by means of fitting to the respective base (1), while the lid (2) is situated by means of hooking the elastic hooking structures (6) and (7).
  • the mentioned complementary piece (5) establishes the closure of the open end of the base (1), leaving at the lowerpart an uncovered opening (8).
  • a piece (9) is connected, which determines a prominent structure (10) which fits in the opening (8) in the base (1).
  • Said piece (9) remains in assembly disposition situated frontally before the housing (1), leaving laterally towards one side, while in the connection insertion of the base (1) has the possibility of a certain movement towards the inside and the outside of the opening (8).
  • this piece (5) has some grooves (11), which end corresponding to the respective passage openings to the inside, while at the other end they are prolonged along the prominent structure (10), as indicated on figures 2 and 3 .
  • the disposition of the mentioned piece (9) in the assembly is so that it remains in its position before the base (1) and with the part leaving towards the side before a lateral area where it is possible to incorporate the disconnector of application of the differential current detector that can be located in the preconized housing, so that the electric connection between both apparatus can be carried out by means of cable bridges which can be situated in the grooves (11), with which said cables remain perfectly isolated from each other, even if they are bare cables, since their separation in the grooves (11) assures the necessary isolation in an efficient way.
  • the differential current detector and the application disconnector can be incorporated in the installation on the same fastening device, by means of the corresponding assembly items (12), as those situated at the rear part of the base (1), in such a way that the connection cables that leave the differential current detector are housed in the grooves (11) of the piece (9), which moves towards the outside to allow the positioning of the disconnector faced to it and once situated the disconnector in that position said piece (9) is moved towards the inside, with which the ends of the connection cables will be situated correspondingly in the disconnector terminals, being it only necessary to fasten the pressure screws of these terminals to assure the connection.
  • an external covering lid (13) is incorporated on the piece (5).
  • This lid has some rods divided into two flexible halves with enlarged end, as it can be observed on figure 7 , by means of which the fastening in the assembly is carried out by inserting them into corresponding holes (10) in the piece (9).
  • the pieces (15) have some lugs (21) that stand out at the rear, so that the mentioned lugs (21) are located correspondingly in the assembly disposition above the manipulation accesses of the terminals of the coupled disconnector, this way establishing a protection seal regarding the mentioned terminals.
  • a tiltable cover (23) On the housing area (22) for the differential current detector terminals, the disposition of a tiltable cover (23) is foreseen, as the one represented on figure 7 . It can be secured by means of an accessory seal through an opening (24), so as to avoid unauthorized manipulations to the mentioned terminals of the apparatus.
  • the switch mechanism of the differential current detector can be incorporated in a support (25), as the one represented on figure 8 , which is provided with an outstanding lug (26), by means of which the fitting in a groove (27) defined in the lateral wall of the base (1) is possible, with opening towards the top, so that the assembly of the mentioned support (25) of the switch mechanism in the apparatus set can be carried out by means of a simple insertion connection, being it possible to incorporate the elements of the mechanism in the support (25) with the latter outside the housing, to carry out the connection subsequently.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Dry Shavers And Clippers (AREA)
  • Casings For Electric Apparatus (AREA)
EP00927249A 1999-05-14 2000-05-11 Housing for electrical apparatus Expired - Lifetime EP1098341B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ES009901016A ES2154589B1 (es) 1999-05-14 1999-05-14 Carcasa para aparatos electricos
ES9901016 1999-05-14
PCT/ES2000/000175 WO2000070636A1 (es) 1999-05-14 2000-05-11 Carcasa para aparatos electricos

Publications (2)

Publication Number Publication Date
EP1098341A1 EP1098341A1 (en) 2001-05-09
EP1098341B1 true EP1098341B1 (en) 2008-07-30

Family

ID=8308381

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00927249A Expired - Lifetime EP1098341B1 (en) 1999-05-14 2000-05-11 Housing for electrical apparatus

Country Status (6)

Country Link
EP (1) EP1098341B1 (es)
AT (1) ATE403230T1 (es)
DE (1) DE60039670D1 (es)
ES (2) ES2154589B1 (es)
HU (1) HUP0103001A3 (es)
WO (1) WO2000070636A1 (es)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2640422B1 (fr) * 1988-12-14 1996-04-05 Merlin Gerin Dispositif d'assemblage modulaire d'un disjoncteur differentiel multipolaire
FR2700636B1 (fr) * 1993-01-18 1995-03-31 Merlin Gerin Disjoncteur différentiel modulaire.
IT1272457B (it) * 1993-05-26 1997-06-23 Bticino Spa Dispositivo di accoppiamento di sicurezza tra due apparecchiature elettriche modulari
IT1271261B (it) * 1994-12-13 1997-05-27 Bticino Spa Modulo di protezione differenziale con accoppiamento di sicurezza a blocco interruttore multipolare

Also Published As

Publication number Publication date
EP1098341A1 (en) 2001-05-09
ES2310517T3 (es) 2009-01-16
DE60039670D1 (de) 2008-09-11
HUP0103001A2 (hu) 2001-12-28
ES2154589B1 (es) 2001-11-16
ES2154589A1 (es) 2001-04-01
WO2000070636A1 (es) 2000-11-23
HUP0103001A3 (en) 2002-02-28
ATE403230T1 (de) 2008-08-15

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