EP1198809B1 - Schaltersicherungseinheit und sicherungsstöpsel mit kontaktführungselement - Google Patents

Schaltersicherungseinheit und sicherungsstöpsel mit kontaktführungselement Download PDF

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Publication number
EP1198809B1
EP1198809B1 EP00949383A EP00949383A EP1198809B1 EP 1198809 B1 EP1198809 B1 EP 1198809B1 EP 00949383 A EP00949383 A EP 00949383A EP 00949383 A EP00949383 A EP 00949383A EP 1198809 B1 EP1198809 B1 EP 1198809B1
Authority
EP
European Patent Office
Prior art keywords
contact
switch
fuse unit
guide
switching rocker
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
EP00949383A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1198809A1 (de
Inventor
Klaus Bruchmann
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.)
Individual
Original Assignee
Individual
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
Priority claimed from DE1999134540 external-priority patent/DE19934540C1/de
Priority claimed from DE29912855U external-priority patent/DE29912855U1/de
Application filed by Individual filed Critical Individual
Publication of EP1198809A1 publication Critical patent/EP1198809A1/de
Application granted granted Critical
Publication of EP1198809B1 publication Critical patent/EP1198809B1/de
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
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/16—Adaptation for built-in fuse
    • H01H21/165—Fuses mounted on, or constituting the movable contact parts of, the switch
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • H01H1/502—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position the action of the contact pressure spring becoming active only after engagement of the contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5822—Flexible connections between movable contact and terminal

Definitions

  • the present invention relates to a circuit breaker unit according to the preamble of the claim 1 and a safety plug according to the preamble of Claim 20.
  • Switch rocker for holding a fuse link or one Fuse plug with a receiving area for a fuse link, the rocker switch in the housing between an on position and an off position back and forth is pivotally mounted.
  • a spring-loaded contact device arranged with a contact element so that the Contact element in the switch rocker on position Contact of the fuse link under a voltage load contacted.
  • Such switch fuse units are in particular also used the circuit, especially when necessary Repairs to the associated electrical devices and Machines to reliably interrupt manually.
  • the Shift paddle that plugs the fuse with the appropriate one Fuse insert contains and between a switch-on position and a switch-off position swiveling in one Housing of the switch fuse unit is stored in its Switch-off position moved.
  • the circuit is interrupted so that in particular repairs to electrical machines and devices operated safely can be.
  • an electrical fuse switch is known, the one Includes swivel mount for fuse links, which is in the off position Swiveling receptacle can be inserted into the receiving shaft.
  • the swivel mount can in addition to the bottom of the receiving shaft one in the axial direction protruding from the floor Have projection, the one when pivoting the pivot mount force applied to adjacent housing contact on its contact side. Thereby will be the case contact from its contact system in the course of the pivoting process lifted off the fuse link, but the housing contact then rubs with its contact side on the swivel mount.
  • the rocker switch and / or the contact device has at least one Contact guide element.
  • the contact guide element holds the contact element in the Housing depending on the position of the rocker switch in a defined, relative Distance from both the mating contact and the rocker switch, the distance between the contact element and counter contact essentially only in the switch-on position Switch rocker is zero and a contact is made so that the contact element is ground on the mating contact or on the rocker switch while pivoting the rocker switch is avoided.
  • the contact element of the contact device follows the rocker when swiveling Off position in its on position and vice versa. through the contact guide element defined path, so that Contact element of the contact device by the spring action the contact device only then placed on the mating contact and thereby connected to it when the contacts in the. essentially aligned with each other, i.e. when the rocker switch is essentially in its on position.
  • On Grinding the contacts against each other is avoided, so that the surfaces of the contacts do not wear out, a reliable one Permanent contact with low contact resistance is ensured and switching arcs or a blow of the fuse link are largely avoided.
  • the spring-loaded contact device ensures a firm and reliable contact.
  • Switch fuse unit significantly increased without the Manufacturing costs of a circuit breaker unit significantly need to increase.
  • an inventive one Contact guide element on both the rocker switch and on to arrange the contact device. It is important, as explained above, that a relative movement between the contact element the contact device and the counter contact when swiveling the rocker switch defined by the contact guide element is. Areas of the contact guide element are included Areas of the rocker switch and / or the contact device in mechanical contact so that the desired relative movement is ensured. The areas in contact will be also shown below as guide surfaces.
  • the contact guide element can, for example, on the rocker switch and / or the contact device, it can glued or screwed or integral with one of these Elements be formed. It is also possible that the rocker switch and the contact device each have a contact guide element exhibit.
  • the contact guide element on the contact device is attached. It is advantageous that the contact guide element is designed such that it pushed or clamped onto the contact device will, so that a secure connection without additional fasteners is achieved.
  • the contact guide element is preferably at least on several, advantageously on all sides of the Contact element, wherein an opening for the contact element in the contact guide element is provided so that the contact is made possible with the fuse link. This will make the The distance between the contacts is precisely defined because tilting of the elements relative to one another is avoided.
  • the contact guide element at least one triangular guide structure in cross section with two guide surfaces. This will distinguish between the on position and the off position of the rocker switch a point of maximum compression of the spring-loaded Contact device set. Will the rocker switch from this Point out just slightly in one direction or the other pivoted, the spring force leads to the guide surfaces the triangular guide structure pushes to that the rocker switch automatically in one of its limit switch positions is pressed. Undefined intermediate switching positions the rocker switch, which leads to incorrect assessments of the Switch state of the switch fuse unit, are reliably avoided.
  • a first guide surface preferably has relative to the Contact guide element amount less gradient on as a second guide surface. This allows the necessary Forces selected to switch the rocker switch and be coordinated.
  • a steep slope in this area also leads to the fact that when swiveling the rocker switch from its switched-on position out the contact element of the contact device immediately clear is lifted from the contact of the fuse link, to reliably grind the contacts against each other avoid.
  • the switching process is therefore largely "hand-independent", i.e., a safe and precise switching process regardless of the speed of manual operation the rocker switch.
  • the contact guide element preferably has two identical ones Guide structures on both sides of the contact element. This ensures a reliable management process, in which a tilting of the contact guide element with possible Avoided effects on the position of the contact element. becomes.
  • the at least one guide structure of the contact guide element protrudes in the area of a preferred embodiment of the contact element beyond this. This leads to the contact element, as it were towered over by the management structure or is enclosed by several structures. The contact element is therefore shielded by the management structure and protected.
  • the rocker switch advantageously has guide surfaces, with at least one of the guide surfaces both in the switch-on as well as in the off position with the corresponding guide surface of the contact guide element run essentially parallel. Because the leadership areas then be in contact with each other over a larger area, the pressure per area is reduced, wear becomes of the guide surfaces is reduced and the service life of the Overall system increased.
  • a comparable parallel course of the guide surfaces can of course also with any other design of the contact guide element be provided, especially also when the contact guide element is attached to the rocker switch is or is integrally formed with this.
  • a contact guide element can in particular be designed in this way be that a compression force in the turn-off and in Switch-on position is maximum. Is under compression force thereby for the spring compression in the contact device existing spring necessary force during swiveling the rocker switch in every position. A high compression force therefore leads to a pivoting of the Rocker switch against the pressure of the spring of the contact device is difficult. The on position and the off position the rocker switch can therefore be specially secured. A "screening", as already explained above, is therefore in the switch-on and switch-off positions of the rocker switch particularly pronounced.
  • a contact guide element on the rocker switch is arranged, which is preferably integral with this is trained.
  • the two contact guide elements are coordinated and together the define the relative distance between the contacts.
  • the at least one contact guide element is preferred made of insulating material, e.g. made of plastic.
  • the contact guide element preferably made of the same materials like the housing and / or like the rocker switch of the switch fuse unit. The manufacture of the switch fuse unit or the rocker switch is significantly simplified.
  • the rocker switch also has a contact protection device for the fuse link on.
  • a contact protection device is as it were an intermediate contact between the contact of the fuse link and the contact element of the contact device, the wear, in particular of the fuse link, e.g. caused by a switching arc, largely avoids.
  • Such a contact protection device can e.g. on a fuse link or a fuse plug be provided, the rocker switch then being designed in this way. is that they use this fuse or fuse plug can record. If a contact protection device is provided, so is by the contact guide element according to the invention Distance between the carbon protection device forming the counter contact and the contact element of the contact device in the switch fuse unit. Is not a contact protection device provided, takes the place of the contact protection device directly the counter contact of the fuse link.
  • a contact protection device preferably consists of good conductive material, so that additional contact resistance be avoided and the performance of the switch fuse unit is not diminished.
  • contacts of the switch fuse unit Resilient contact used to ensure safe contacting of the To ensure fuse link.
  • the spring-loaded Contact device is in one embodiment as resilient contact strip provided, the movements of the Contact device can follow.
  • the invention also relates to a safety plug with a receiving area for a fuse link in a switch fuse link
  • the fuse plug according to the invention has a contact guide element, that in its form and mode of operation essentially the same as above described contact guide element corresponds to the Switch rocker and / or the contact device is provided.
  • a particular advantage of attaching the contact guide element on the fuse plug is that the Contact guide element relatively simple to the special Embodiment of a fuse link can be adapted can. There can be different safety plugs for different ones Fuse links are provided without further changes or adjustments to the switch fuse unit can be used and used.
  • Fig. 1 is the structural structure of an inventive Switch fuse unit 1 with a rocker switch 30 and a Fuse plug 10 into which a fuse link 20 is inserted is presented, layed out.
  • the switch fuse unit 1 comprises a housing 2 in which the rocker switch 30 is pivotally mounted so that it between the off position shown in Fig. 1 and in Fig. 3 shown switch position is pivotable.
  • the rocker switch 30 is a safety plug 10 with a Fuse link 20 inserted.
  • the rocker switch 30 includes the embodiment shown also a contact protection device 50 to protect the contact 21 of the fuse link 20.
  • the contact 21 consists of the fuse link shown a main cap 25 with a sand filling hole and one the sand filling hole sealing cap 26, the contact protection device to avoid contact resistance between Main cap 25 and cap 26 contacted only the main cap 25.
  • the contact protection device 50 is relative in the longitudinal direction to the rocker switch 35 movably mounted and with a spring 55 biased against this (up in Fig. 1), so that the Contact protection device by the spring force against the contact 21 of the fuse link is pressed.
  • the contact protection device has a contact point made of particularly conductive and resistant contact material 51.
  • the switch fuse unit 1 there is a contact device 40 provided which has a contact element 41, the Contact element 41 is biased by a spring 42.
  • the Contact device 40 is connected via a flexible current wire 39 an input contact 7 of the switch fuse unit 1, so that the circuit through the input contact 7, the flexible current wire 39, the contact element 41, the fuse link 20, the also flexible contact 5 and the output contact 8 can be closed.
  • the contact device 40 comprises a contact guide element 45 with a management structure 48.
  • the management structure 48 points two guide surfaces 46 and 47.
  • the contact guide element 45 is with a clamping device 49 on the contact device. reliably attached.
  • the contact element 41 of the contact device 40 is not included the rocker switch in contact, but is through the contact guide element 45 held at a distance from the rocker switch, see above that grinding and damage to the components, in particular of the contact element 41 is avoided.
  • FIG. 2 shows the fuse unit 1 shown in FIG. 1, the rocker switch 30 in an intermediate position located.
  • An edge between the two guide surfaces 46 and 47 of the contact guide element 45 is with a Edge between the guide surfaces 31 and 33 of the rocker switch in contact.
  • the contact device is in this position in its most retracted position, i.e. the spring 42 is maximally compressed.
  • the contact element 41 of the contact device 40 is still with no element the rocker switch or the mating contact or the contact protection device in contact.
  • FIG. 3 finally shows the switch fuse unit 1 a rocker switch 30 in its on position.
  • the contact element 41 of the contact device 40 is now through the contact protection device 50 and the contact material 51 formed counter contact and the contact 21 with the fuse link 20 in contact, the contact 41 through the Guide surface 47 of the contact guide element 45 along the Guide surface 33 of the rocker switch 30 on the counter contact 50, 51 has been performed.
  • the guide surfaces 33 and 47 run substantially parallel to each other, note is that the gap shown in Fig. 3 between the Guide surfaces 33 and 47 are shown enlarged for clarity is. The gap is actually extremely thin or cooked not available, i.e. the guide surfaces 33 and 47 are located also in the switched-on position of the rocker switch 30 in Contact. In order to. it is ensured that the contact element 41st the contact device 40 when pivoting the rocker switch 30 from its on position immediately from the counter contact 50, 51 is lifted off.
  • FIG. 4 shows, in particular to clarify the structure of the Contact guide element 45, a section through the switch fuse unit 1 along the line A-A in FIG. 3.
  • the two guide structures 48 are clearly visible in FIG. 4 right and left of the contact element 41 of the contact device 40.
  • the management structures 48 extend over the upper edge of the contact element 41 and shield thus the contact element 41, which provides special protection of the contact element 41 is reached. 3, run the guide surfaces 46 of the contact guide element 45 parallel to the guide surfaces 33 of the rocker switch 30. Also in Fig. 4 is the gap between the guide surfaces 33 and 46 shown enlarged for clarity.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Fuses (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
EP00949383A 1999-07-22 2000-07-20 Schaltersicherungseinheit und sicherungsstöpsel mit kontaktführungselement Expired - Lifetime EP1198809B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE1999134540 DE19934540C1 (de) 1999-07-22 1999-07-22 Schaltersicherungseinheit und Sicherungsstöpsel mit Kontaktführungselement
DE29912855U 1999-07-22
DE29912855U DE29912855U1 (de) 1999-07-22 1999-07-22 Schaltersicherungseinheit und Sicherungsstöpsel mit Kontaktführungselement
DE19934540 1999-07-22
PCT/EP2000/006942 WO2001008184A1 (de) 1999-07-22 2000-07-20 Schaltersicherungseinheit und sicherungsstöpsel mit kontaktführungselement

Publications (2)

Publication Number Publication Date
EP1198809A1 EP1198809A1 (de) 2002-04-24
EP1198809B1 true EP1198809B1 (de) 2004-09-29

Family

ID=26054307

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00949383A Expired - Lifetime EP1198809B1 (de) 1999-07-22 2000-07-20 Schaltersicherungseinheit und sicherungsstöpsel mit kontaktführungselement

Country Status (7)

Country Link
EP (1) EP1198809B1 (cs)
AT (1) ATE278248T1 (cs)
AU (1) AU6276100A (cs)
CZ (1) CZ297149B6 (cs)
DE (1) DE50008019D1 (cs)
PL (1) PL196154B1 (cs)
WO (1) WO2001008184A1 (cs)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE342982C (cs) *
US1626463A (en) * 1923-12-31 1927-04-26 Jesse F Harrington Switch
GB360519A (en) * 1930-08-18 1931-11-12 George Mills Combined electric rotary switch and fuse
DE3447942A1 (de) * 1984-02-24 1986-02-27 Klaus 8600 Bamberg Bruchmann Schaltersicherungseinheit
DE3840511A1 (de) * 1988-02-04 1989-08-24 Lindner Gmbh Elektrischer schmelzsicherungsschalter

Also Published As

Publication number Publication date
PL196154B1 (pl) 2007-12-31
CZ297149B6 (cs) 2006-09-13
WO2001008184A1 (de) 2001-02-01
AU6276100A (en) 2001-02-13
ATE278248T1 (de) 2004-10-15
PL362857A1 (en) 2004-11-02
DE50008019D1 (de) 2004-11-04
EP1198809A1 (de) 2002-04-24
CZ2002239A3 (cs) 2002-06-12

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