WO2000024015A1 - Electric appliance switch comprising a fuse seat - Google Patents

Electric appliance switch comprising a fuse seat Download PDF

Info

Publication number
WO2000024015A1
WO2000024015A1 PCT/SI1999/000023 SI9900023W WO0024015A1 WO 2000024015 A1 WO2000024015 A1 WO 2000024015A1 SI 9900023 W SI9900023 W SI 9900023W WO 0024015 A1 WO0024015 A1 WO 0024015A1
Authority
WO
WIPO (PCT)
Prior art keywords
seat
guiding slot
fuse
electric appliance
intermediate plate
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.)
Ceased
Application number
PCT/SI1999/000023
Other languages
French (fr)
Inventor
Miran Dolinšek
Günther Weissberger
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.)
ETI Elektroelement dd
Original Assignee
ETI Elektroelement dd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20432350&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2000024015(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to DE69902931T priority Critical patent/DE69902931T2/en
Priority to PL347165A priority patent/PL192379B1/en
Priority to AT99948020T priority patent/ATE224095T1/en
Priority to HR20010272A priority patent/HRP20010272A2/en
Priority to SK443-2001A priority patent/SK4432001A3/en
Application filed by ETI Elektroelement dd filed Critical ETI Elektroelement dd
Priority to AU61280/99A priority patent/AU6128099A/en
Priority to EP99948020A priority patent/EP1121698B1/en
Priority to HU0103791A priority patent/HU223131B1/en
Priority to IL14226799A priority patent/IL142267A0/en
Publication of WO2000024015A1 publication Critical patent/WO2000024015A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/10—Adaptation for built-in fuses
    • H01H9/104—Adaptation for built-in fuses with interlocking mechanism between switch and fuse
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/54—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers
    • H01H85/542—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers the intermediate or auxiliary part being provided with bayonet-type locking means

Definitions

  • the invention concerns an electric appliance switch comprising a fuse seat and specially provided for mounting on a bar.
  • the technical problem to be solved by the present invention is how to improve a fuse seat so that it will be able to be matched to fuses of various dimensions in a simple way, and how to insulate a down conductor contact, whereat a dropping of the fuses out of the seat should be made impossible and the down conductor contact should be protected against being touched.
  • the electric appliance switch comprising a fuse seat and characterized in that a wall of the seat surrounding the fuse is provided with a first and a second guiding slot being adjacent to each other at a first end of the seat, and with a third guiding slot at a second end of the seat, all said slots being transversal to the seat axis, and that in the first guiding slot there is engagably inserted an electrically conducting intermediate plate, which in a state of closed contacts through its cuff electrically contacts a down conductor contact, which is protected by an insulated partition all around except at the side of the cuff of the intermediate plate and in the second guiding slot a bow spring is engagably inserted and in the third guiding slot a size controlling bow insert is engagably inserted.
  • the electric appliance switch according to the invention is further characterized in that the intermediate plate is provided with feet pointing to the second end of the seat, and that the feet of the intermediate plate additionally fix the bow spring, whose both bow ends are elastically spreadable.
  • an improvement of a known fuse seat is accomplished by simple means; thus a simple replacement of the fuses of various dimensions is made possible and when the electric appliance switch is installed in a horizontal position, no dropping of the fuses out from a magazine in the seat happens.
  • the seat can remain in the electric appliance switch, however, switching on is only possible when the seat is inserted properly.
  • an insulating partition By an insulating partition a down conductor contact is completely protected against being touched.
  • Fig. 1 an improved fuse seat according to the invention in an electric appliance switch
  • Fig. 2 the electric appliance switch provided with the fuse seat as improved by the invention, in a state of open contacts and with the fuse seat and a size controlling bow insert being drawn out
  • Fig. 3 in a longitudinal section, the electric appliance switch provided with the fuse seat as improved by the invention, in a state of closed contacts.
  • An electric appliance switch 1 comprising a seat 10, provided with a magazine 20 for a fuse 11, is represented in a state of open and closed contacts in Figs. 2 and 3, respectively, the actual seat 10 for the fuse 11, however, is shown in Fig. 1.
  • the wall of the seat 10 surrounding the fuse 11 is provided with a first and a second guiding slots 31, 30 being adjacent to each other at a first end of the seat 10 and with a third guiding slot 32 at a second end of the seat 10.
  • the slots 31, 30, 32 are transversal to the axis of the seat 10. In a state of closed contacts the first end of the seat 10 is situated next to a down conductor contact 14 and the second end of the seat 10 is situated next to an intermediate contact 12.
  • an electrically conducting intermediate plate 22 is engagably inserted in the first guiding slot 31, and a bow spring 21 is engagably inserted in the second guiding slot 30.
  • a size controlling bow insert 23 is engagably inserted in the third guiding slot 32.
  • the intermediate plate 22 In the state of closed contacts, the intermediate plate 22 through its cuff 22" electrically contacts the down conductor contact 14, which is, through an insulating partition 15, completely electrically insulated from the surroundings.
  • the insulating partition 15 is made in one piece together with the remaining housing of the electric switch 1.
  • the intermediate plate 22 also provides for an efficient thermal contact of the fuse 11 to the down conductor contact 14.
  • the intermediate plate 22 makes possible a precise positioning of the seat 10 of the invention in the electric appliance switch 1.
  • the fuse 11 electrically contacts an intermediate contact 12 at the one hand and the down conductor contact 14 at the other hand.
  • the intermediate plate 22 is provided with feet 22", preferably with two feet 22", pointing to the second end of the seat 10.
  • the feet 22" push the bow spring 21 against the wall of the seat 10. So by means of the intermediate plate 22 the bow spring 21, whereby the fuse 11 is fastened in the intended position, is additionally fixed and it is prevented from dropping out of the guiding slot 30.
  • the bow spring 21 is provided with bow ends 21' which are elastically spreadable and embrace the inserted fuse 11.
  • the dimension of the fuse 11 is limited by the size controlling bow insert 23. It can be replaced when the seat 10 for the fuse 11 is drawn out from the electric appliance switch 1. Hereto a special tool is applied whereby the size controlling bow insert 23 is compressed slightly and pulled out from the slot 32 in the magazine 20.
  • the fuse 11 is easily accessible and can be replaced by spreading out bow ends 21' of the bow spring 21. Just the elastic bow ends 21' make it possible that the electric appliance switch 1 can be used in a horizontal position. The handling of the seat 10, remaining all the time in the electric appliance switch 1, is not hindered. A hazard of touching parts conducting electric current by mistake is reduced. Thereafter the fuse 11 and/or the size controlling bow insert 23 can be replaced.

Landscapes

  • Fuses (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Push-Button Switches (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)

Abstract

A wall of a seat (10) surrounding a fuse (11) is provided with a first and second guiding slot (31, 30), adjacent to each other at a first end of the seat (10), and a third guiding slot (32) at a second end of the seat (10), all transversal to the seat axis. In the first guiding slot (31) an electrically conducting intermediate plate (22) and in the second guiding slot (30) a bow spring (21) and in the third guiding slot (32) a size controlling bow insert (23) are engagably inserted. In the state of closed contacts, the intermediate plate (22) electrically contacts the down conductor contact (14), which is, through an insulating partition (15), completely electrically insulated from the surroundings. The bow spring (21) is elastically spreadable on both ends. The improved fuse seat makes possible a simple replacement of fuses of various dimensions and prevents a dropping of the fuses out of a magazine, the down conductor contact, however, is completely protected against being touched.

Description

ELECTRIC APPLIANCE SWITCH COMPRISING A FUSE SEAT
The invention concerns an electric appliance switch comprising a fuse seat and specially provided for mounting on a bar.
From the applicant's patent SI 9700256 there has been known an electric appliance switch having also a seat for a protective device or a fuse provided in its housing. The said seat is provided for the application of only one fuse dimension, for another fuse dimension the seat has to be replaced. When the electric appliance switch is installed in a horizontal position, any handling of the fuse is complicated or not possible at all. Since a down conductor contact is insufficiently protected against being touched, the electric appliance switch becomes dangerous if by mistake the lead-in side and the down side have been interchanged.
Consequently, the technical problem to be solved by the present invention is how to improve a fuse seat so that it will be able to be matched to fuses of various dimensions in a simple way, and how to insulate a down conductor contact, whereat a dropping of the fuses out of the seat should be made impossible and the down conductor contact should be protected against being touched.
A solution to the technical problem is given by the electric appliance switch according to the invention comprising a fuse seat and characterized in that a wall of the seat surrounding the fuse is provided with a first and a second guiding slot being adjacent to each other at a first end of the seat, and with a third guiding slot at a second end of the seat, all said slots being transversal to the seat axis, and that in the first guiding slot there is engagably inserted an electrically conducting intermediate plate, which in a state of closed contacts through its cuff electrically contacts a down conductor contact, which is protected by an insulated partition all around except at the side of the cuff of the intermediate plate and in the second guiding slot a bow spring is engagably inserted and in the third guiding slot a size controlling bow insert is engagably inserted.
The electric appliance switch according to the invention is further characterized in that the intermediate plate is provided with feet pointing to the second end of the seat, and that the feet of the intermediate plate additionally fix the bow spring, whose both bow ends are elastically spreadable.
In the electric appliance switch according to the invention an improvement of a known fuse seat is accomplished by simple means; thus a simple replacement of the fuses of various dimensions is made possible and when the electric appliance switch is installed in a horizontal position, no dropping of the fuses out from a magazine in the seat happens. During handling the seat can remain in the electric appliance switch, however, switching on is only possible when the seat is inserted properly. By an insulating partition a down conductor contact is completely protected against being touched.
The invention will now be described by way of example and with reference to the accompanying drawings representing in:
Fig. 1 an improved fuse seat according to the invention in an electric appliance switch, Fig. 2 the electric appliance switch provided with the fuse seat as improved by the invention, in a state of open contacts and with the fuse seat and a size controlling bow insert being drawn out, and Fig. 3 in a longitudinal section, the electric appliance switch provided with the fuse seat as improved by the invention, in a state of closed contacts.
An electric appliance switch 1 comprising a seat 10, provided with a magazine 20 for a fuse 11, is represented in a state of open and closed contacts in Figs. 2 and 3, respectively, the actual seat 10 for the fuse 11, however, is shown in Fig. 1.
The wall of the seat 10 surrounding the fuse 11 is provided with a first and a second guiding slots 31, 30 being adjacent to each other at a first end of the seat 10 and with a third guiding slot 32 at a second end of the seat 10. The slots 31, 30, 32 are transversal to the axis of the seat 10. In a state of closed contacts the first end of the seat 10 is situated next to a down conductor contact 14 and the second end of the seat 10 is situated next to an intermediate contact 12.
According to the invention, an electrically conducting intermediate plate 22 is engagably inserted in the first guiding slot 31, and a bow spring 21 is engagably inserted in the second guiding slot 30. A size controlling bow insert 23 is engagably inserted in the third guiding slot 32.
In the state of closed contacts, the intermediate plate 22 through its cuff 22" electrically contacts the down conductor contact 14, which is, through an insulating partition 15, completely electrically insulated from the surroundings. The insulating partition 15 is made in one piece together with the remaining housing of the electric switch 1. Hence by an appropriate form of the intermediate plate 22 an additional protection of the down conductor contact 14 against being touched is accomplished. The intermediate plate 22 also provides for an efficient thermal contact of the fuse 11 to the down conductor contact 14. The intermediate plate 22 makes possible a precise positioning of the seat 10 of the invention in the electric appliance switch 1.
In the closed state of the electric appliance switch 1, the fuse 11 electrically contacts an intermediate contact 12 at the one hand and the down conductor contact 14 at the other hand.
The intermediate plate 22 is provided with feet 22", preferably with two feet 22", pointing to the second end of the seat 10. In the assembled seat 10 of the invention the feet 22" push the bow spring 21 against the wall of the seat 10. So by means of the intermediate plate 22 the bow spring 21, whereby the fuse 11 is fastened in the intended position, is additionally fixed and it is prevented from dropping out of the guiding slot 30.
The bow spring 21 is provided with bow ends 21' which are elastically spreadable and embrace the inserted fuse 11. The dimension of the fuse 11 is limited by the size controlling bow insert 23. It can be replaced when the seat 10 for the fuse 11 is drawn out from the electric appliance switch 1. Hereto a special tool is applied whereby the size controlling bow insert 23 is compressed slightly and pulled out from the slot 32 in the magazine 20.
When replacing the fuse 11, first a lever 17 is turned around whereby the lead-in contact 18 is disconnected from the down conductor contact 14. Hereby the seat 10 becomes disengaged. By exerting pressure on the seat 10 the intermediate plate 22 moves away from the down conductor contact 14 and the insulating partition 15. The seat 10 is rotated to its guides. Hereby a spring 16, exerting pressure on the intermediate contact 12, is compressed. The disengaged seat 10 may be drawn out from a confining element 13.
Now the fuse 11 is easily accessible and can be replaced by spreading out bow ends 21' of the bow spring 21. Just the elastic bow ends 21' make it possible that the electric appliance switch 1 can be used in a horizontal position. The handling of the seat 10, remaining all the time in the electric appliance switch 1, is not hindered. A hazard of touching parts conducting electric current by mistake is reduced. Thereafter the fuse 11 and/or the size controlling bow insert 23 can be replaced.
When the electric appliance switch 1 is switched on again, the procedure is reversed. The intermediate plate 22 and the insulating partition 15 prevent a turning around of the lever 17 and an establishing of an electric contact until the seat 10 is in a proper position.

Claims

Claims
1. Electric appliance switch, comprising a seat (10) for a fuse, characterized in that a wall of the seat (10) surrounding the fuse (11) is provided with a first and a second guiding slot (31, 30) adjacent to each other at a first end of the seat (10), and with a third guiding slot (32) at a second end of the seat (10), all said slots (31, 30, 32) being transversal to the axis of the seat (10), and that in the first guiding slot (31) there is engagably inserted an electrically conducting intermediate plate (22), which in a state of closed contacts with its cuff (22") electrically contacts a down conductor contact (14), which is protected by an insulating partition (15) all around except from the side of the cuff (22") of the intermediate plate (22), and in the second guiding slot (30) a bow spring (21) is engagably inserted and in the third guiding slot (32) a size controlling bow insert (23) is engagably inserted.
2. Electric appliance switch as recited in claim 1, characterized in that the intermediate plate (22) is provided with feet (22') pointing to the second end of the seat (10).
3. Electric appliance switch as recited in claim 2, characterized in that the feet (22') of the intermediate plate (22) additionally fix the bow spring (21) whose both bow ends (21') are elastically spreadable.
PCT/SI1999/000023 1998-10-16 1999-10-14 Electric appliance switch comprising a fuse seat Ceased WO2000024015A1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
IL14226799A IL142267A0 (en) 1998-10-16 1999-10-14 Electric appliance switch comprising a fuse seat
PL347165A PL192379B1 (en) 1998-10-16 1999-10-14 Electric appliance switch comprising a fuse seat
AT99948020T ATE224095T1 (en) 1998-10-16 1999-10-14 ELECTRICAL SWITCHING DEVICE WITH A FUSE SEAT
HR20010272A HRP20010272A2 (en) 1998-10-16 1999-10-14 Electric appliance switch comprising a fuse seat
SK443-2001A SK4432001A3 (en) 1998-10-16 1999-10-14 Electric appliance switch comprising a fuse seat
DE69902931T DE69902931T2 (en) 1998-10-16 1999-10-14 ELECTRICAL SWITCHGEAR WITH A MELT-FUSE SEAT
AU61280/99A AU6128099A (en) 1998-10-16 1999-10-14 Electric appliance switch comprising a fuse seat
EP99948020A EP1121698B1 (en) 1998-10-16 1999-10-14 Electric appliance switch comprising a fuse seat
HU0103791A HU223131B1 (en) 1998-10-16 1999-10-14 Electric appliance switch comprising a fuse seat

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SI9800267A SI20131A (en) 1998-10-16 1998-10-16 Power switch for devices including a fuse seat
SIP-9800267 1998-10-16

Publications (1)

Publication Number Publication Date
WO2000024015A1 true WO2000024015A1 (en) 2000-04-27

Family

ID=20432350

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SI1999/000023 Ceased WO2000024015A1 (en) 1998-10-16 1999-10-14 Electric appliance switch comprising a fuse seat

Country Status (16)

Country Link
EP (1) EP1121698B1 (en)
CN (1) CN1178246C (en)
AT (1) ATE224095T1 (en)
AU (1) AU6128099A (en)
CZ (1) CZ292991B6 (en)
DE (1) DE69902931T2 (en)
ES (1) ES2184504T3 (en)
HR (1) HRP20010272A2 (en)
HU (1) HU223131B1 (en)
IL (1) IL142267A0 (en)
MY (1) MY117071A (en)
PL (1) PL192379B1 (en)
SI (1) SI20131A (en)
SK (1) SK4432001A3 (en)
WO (1) WO2000024015A1 (en)
YU (1) YU26801A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10054171B4 (en) * 1999-12-08 2005-08-18 Wöhner GmbH & Co. KG Elektrotechnische Systeme Fuse holder, in particular for fuse base and fuse switch disconnectors
EP1717836A1 (en) 2005-04-29 2006-11-02 Wöhner GmbH & Co. KG Elektrotechnische Systeme Fuse holder, in particular for fuse sockets and load break switches
CN105845525A (en) * 2015-01-16 2016-08-10 西门子公司 Radiator for fuse switches and fuse switch employing same

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007008051B3 (en) * 2007-02-15 2008-06-19 Geyer Ag Electrical switching device, has current path, which comprises electrical input conductor, electrical intermediate conductor and electrical output conductor
SI22960A (en) 2009-01-13 2010-07-30 Eti Elektroelement D.D. Safety electrical switch with fusible cut-out
CN102768913B (en) * 2011-05-04 2015-12-16 西门子公司 The heating panel of switching device and switching device thereof
DE202014103863U1 (en) * 2014-08-20 2015-11-23 Weidmüller Interface GmbH & Co. KG security module

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2754195A1 (en) * 1976-12-10 1978-06-15 Knudsen Nordisk Elect Switch with integral fuse - has lever which bears on fuse holder when contacts are closed to prevent its removal (NL 13.6.78)
WO1999018589A1 (en) * 1997-10-02 1999-04-15 Eti Elektroelement D.D. Electric switch for devices

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2754195A1 (en) * 1976-12-10 1978-06-15 Knudsen Nordisk Elect Switch with integral fuse - has lever which bears on fuse holder when contacts are closed to prevent its removal (NL 13.6.78)
WO1999018589A1 (en) * 1997-10-02 1999-04-15 Eti Elektroelement D.D. Electric switch for devices

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10054171B4 (en) * 1999-12-08 2005-08-18 Wöhner GmbH & Co. KG Elektrotechnische Systeme Fuse holder, in particular for fuse base and fuse switch disconnectors
EP1717836A1 (en) 2005-04-29 2006-11-02 Wöhner GmbH & Co. KG Elektrotechnische Systeme Fuse holder, in particular for fuse sockets and load break switches
CN105845525A (en) * 2015-01-16 2016-08-10 西门子公司 Radiator for fuse switches and fuse switch employing same

Also Published As

Publication number Publication date
HRP20010272A2 (en) 2002-06-30
CN1178246C (en) 2004-12-01
YU26801A (en) 2006-08-17
HU223131B1 (en) 2004-03-29
ATE224095T1 (en) 2002-09-15
DE69902931T2 (en) 2003-05-28
CZ292991B6 (en) 2004-01-14
ES2184504T3 (en) 2003-04-01
EP1121698A1 (en) 2001-08-08
AU6128099A (en) 2000-05-08
IL142267A0 (en) 2002-03-10
CN1323443A (en) 2001-11-21
DE69902931D1 (en) 2002-10-17
HUP0103791A2 (en) 2003-02-28
MY117071A (en) 2004-04-30
CZ20011071A3 (en) 2001-10-17
SK4432001A3 (en) 2001-11-06
PL347165A1 (en) 2002-03-25
EP1121698B1 (en) 2002-09-11
PL192379B1 (en) 2006-10-31
SI20131A (en) 2000-06-30

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