EP1049124B1 - Appareil avec interrupteur thermique, disposé dans une poche - Google Patents

Appareil avec interrupteur thermique, disposé dans une poche Download PDF

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Publication number
EP1049124B1
EP1049124B1 EP00103106A EP00103106A EP1049124B1 EP 1049124 B1 EP1049124 B1 EP 1049124B1 EP 00103106 A EP00103106 A EP 00103106A EP 00103106 A EP00103106 A EP 00103106A EP 1049124 B1 EP1049124 B1 EP 1049124B1
Authority
EP
European Patent Office
Prior art keywords
counter
contact
switching mechanism
cavity
temperature
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
EP00103106A
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German (de)
English (en)
Other versions
EP1049124A2 (fr
EP1049124A3 (fr
Inventor
Marcel Hofsäss
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
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DK00103106T priority Critical patent/DK1049124T3/da
Publication of EP1049124A2 publication Critical patent/EP1049124A2/fr
Publication of EP1049124A3 publication Critical patent/EP1049124A3/fr
Application granted granted Critical
Publication of EP1049124B1 publication Critical patent/EP1049124B1/fr
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
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/04—Bases; Housings; Mountings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
    • H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
    • H01H37/54—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
    • H01H37/5427—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting encapsulated in sealed miniaturised housing

Definitions

  • the present invention relates to a device with an electrical Consumers and a pocket for receiving a temperature-dependent Derailleur to protect the consumer before Overtemperature and / or overcurrent, with a first in the bag Counter contact for the rear derailleur, which electrically with the Consumer is connected, and provided a second mating contact which is electrically connected to an external connection to the electrical Supply of the consumer is connected.
  • the known device has a pocket into which two electrodes protrude into it, the between them an encapsulated temperature monitor pinch.
  • the first electrode has an external connection and the second electrode with the electrical load connected to the device.
  • the temperature monitor has a two-part, electrically conductive Housing shell and base on, against each other are electrically isolated and the clamping forces of the two Pick up the electrodes. At the same time, upper part and lower part the electrical connection to the electrodes ago.
  • a temperature-dependent Rear derailleur arranged in response to his Temperature is an electrically conductive connection between the Upper part and the lower part manufactures. As long as the temperature monitor is below its response temperature, He thus provides an electrically conductive connection between the two electrodes ago, so that over the outer terminal current can flow to the electrical load, of course connected to another external connection. at an impermissible increase in the ambient temperature and / or if the operating current is too high, the temperature-dependent heating will start Derailleur so far that it breaks the connection, the consumer is de-energized.
  • a temperature-dependent switching mechanism as in the known in the Device used temperature monitor is used is e.g. known from DE 29 17 482 C2.
  • the temperature-dependent Derailleur includes a spring washer, the centric one carries movable contact, on the center of a bimetallic snap disk is arranged.
  • the temperature-dependent rear derailleur forms a captive entity.
  • the spring washer is supported with its edge at the bottom of the lower part of the temperature monitor off and moves the movable contact inside against the shell, so that a current from the upper part via the contact part and the spring washer can flow into the lower part.
  • the bimetallic snap disc is powerless. Increases now the temperature, so snaps the bimetallic snap of Its convex in a concave shape, while supporting itself inside on the upper part and presses against the movable contact part the force of the spring washer away from the top, causing the opened by the temperature monitor switch is opened.
  • an insulating layer to mention that prevents the bimetallic snap disk in electrical contact with the upper part.
  • the well-known from DE 29 17 482 C2 temperature monitor is very pressure stable, so that it in the device according to DE 195 06 342 C1 can be used.
  • Such a pressure-stable housing namely, is necessary for the clamping forces to hold the Temperature monitor can be designed large enough, so that the temperature monitor even with strong vibrations, e.g. at the Use in a drain pump of a washing machine, mechanical safe and electrically reliable contact.
  • the well-known temperature monitor In the known device is advantageous that no customary equipped with solder or Crimpan strictlyigman temperature monitor used, but the well-known temperature monitor with the two-piece metal case, which creates a very easy installation and contacting of the temperature monitor can be realized on the known device.
  • the well-known temperature monitor is because of its pressure insensitivity as bulk material to keep in stock and must in the final assembly of the known Device only - possibly by means of a production machine - be pushed between the two resilient electrodes, where he simultaneously mechanically clamped and contacted electrically becomes.
  • this object is achieved in the aforementioned Device solved by the fact that the bag in the device for immediate inclusion of a housing-less Derailleur is formed.
  • the inventor of the present application has recognized that it is possible, so to speak, "naked" derailleur immediately in a provided on a device pocket, wherein this switching mechanism then between the two mating contacts braced.
  • the Mating contacts form resilient, on the other hand can additionally dispensed with a housing for the temperature-dependent switching mechanism become.
  • inexpensive switching devices can be used be, with less demands on the mating contacts are in the bag, these can now be rigid electrodes or contact points.
  • any temperature-dependent rear derailleur anyway is designed so that it is in its housing between the two mating contacts so strained that it is also in use safely positioned and contacted in strongly vibrating environment remains.
  • the spring forces required for this purpose of the bimetallic element and / or the spring part of the temperature-dependent Kunststofftechnikes are relatively small, because the mass of "bare" rear derailleur is alone as low as possible, so that short switching times can be achieved.
  • the new device offers all the benefits that already existed in the final assembly of the known device, for the contacting of the rear derailleur are no soldering or Crimping operations required, the rear derailleur must only in the Pocket are inserted.
  • can caseless rear derailleur not readily available as bulk goods in stock, because a mechanical load, in particular a bending of the Bimetal elements, must be avoided to their reliability not to adversely affect.
  • the inventor of the present registration has recognized that it is easily possible is, rear derailleurs, as mentioned in the introduction DE 29 17 482 C2 are known, ie a captive unit form as tablets in blister packs in stock hold.
  • the rear derailleurs are arranged in rows and columns Recesses inserted in a plastic film etc. are arranged.
  • a lid is provided which closes the bag tightly after inserting the rear derailleur, the lid preferably hinged, more preferably is attached to the device via a film hinge.
  • one of the two mating contacts, preferably the second mating contact, arranged on the lid is.
  • This measure is e.g. in an open-topped pocket of Advantage in the first the rear derailleur is inserted so that it comes to rest on the first mating contact, whereupon when closing the lid not only the seal but at the same time the contact with the second mating contact he follows. In this way it is prevented that the Rear derailleur when inserting into the bag on one of the two mating contacts gets stuck and is mechanically damaged.
  • a rear derailleur is that a captive unit made of a bimetallic element and a movable contact part that with a the two mating contacts cooperates, preferably the Derailleur a captive held on the contact part Spring element comprises, with the other of the two mating contacts interacts.
  • the rear derailleur as Unit can be inserted into the bag so that a single Handling step is required to make a prefabricated Device with a temperature-dependent rear derailleur and the so to provide connected protection function.
  • the derailleur on a guide part is fixed, which together with the rear derailleur in the Pocket is inserted, wherein the guide member preferably acts as a lid and tightly closes the bag.
  • the advantage here is that the rear derailleur are easily mounted can, because on the guide part handling robots can clearly attack easier than on the rear derailleur itself. On this Way is a quick and inexpensive mounting of the rear derailleur on the new device possible without the risk of Damage to the rear derailleur exists.
  • one of the two mating contacts, preferably the second mating contact, arranged on the guide part is.
  • the guide member may either be part of the housing or else supplied with the rear derailleur.
  • the guide part is part of the housing, e.g. like a lid
  • it be connected to the housing via a film hinge second counter contact and associated external connection easily on the guide part or - as already mentioned above - to provide the lid.
  • the second counter contact provided lid is also in the thus equipped Guide part of the advantage that when inserting the Derailleur in the bag does not risk that the derailleur between the two mating contacts tilted in such a way that it is mechanically damaged. Also this measure thus contributes to an automatic assembly of the rear derailleur on the device is possible.
  • the bimetal element as a bimetallic tongue is formed, which with its first end to the guide part is attached and at its free end the movable Contact part bears.
  • the spring element as a spring tongue is formed, which with its first end to the guide part is attached and at its second end with a first Connected to the end of the bimetallic element that is at his free end carries the movable contact part.
  • This rear derailleur is also very robust and easy to mount, by the series connection of the temperature-neutral spring tongue As well as the bimetallic element also gives a very secure contact between the movable contact part as well the mating contact.
  • rear deraille is also is advantageous in that it is attached to the bimetallic element attached to the guide part. or spring tongue contacted well with the second mating contact can be. It is e.g. possible, mating contact and Spring or bimetal tongue in abutment with each other and then overmould with a plastic part, so that all parts immovable and securely held in contact and in contact with each other become.
  • the spring element is a holding approach has, which is fixed to the guide part.
  • the derailleur are attached to a guide part and this guide part supplied by the rear derailleur manufacturer so the derailleur can open during transport advantageous manner be inserted into a protective cover, the is closed by the guide part.
  • the protective cover can in the simplest case a plastic cap be deferred to the leadership and thus the held by this derailleur during transport before mechanical Damage as well as dirt and moisture protects.
  • 10 generally designates a device having a electrical load 11 comprises, which in a schematic indicated housing part 12 is arranged made of plastic.
  • the device 10 may e.g. a drain pump for a washing machine be, with the electrical consumer 11 then symbolizes the engine, which is arranged in its housing.
  • a pocket 14 is provided in which a temperature-dependent switching mechanism 15 is arranged.
  • the rear derailleur 15 comprises in a conventional manner a bimetallic disc 16 and a spring washer 17, both captive on a movable contact part 18 are held.
  • the contact part 18 has a sheath 21 made of softer metal and a core 22nd Made of electrically good conductive, harder metal. After this Attaching bimetallic disc 16 and spring washer 17 on the This jacket 21 can then be deformed so that the rear derailleur 15 forms a captive unit.
  • an electrode 23 is provided at the top in FIG. 1, as the first mating contact 24 with the movable contact part 22 cooperates.
  • an annular electrode 25 is arranged as the second Counter contact 26 cooperates with the rear derailleur 15.
  • the second Counter contact 26 is - as indicated by a line - with an external terminal 27 of the device 10 is connected.
  • a second External terminal 28 is connected to the consumer 11, the other End is connected to the first mating contact 24.
  • Fig. 1 In the switching position shown in Fig. 1 is the Rear derailleur 15 below its switching temperature, and the spring washer 17 is supported by its edge 29 on the second mating contact 26 and presses the movable contact part 22 against the first mating contact 24. In this way is a electrically conductive connection from the external terminal 27 via the second mating contact 26, the spring washer 17, the movable Contact part 22 and the first mating contact 24 to the consumer 11 made, in turn, with the other external terminal 28 is connected.
  • the bimetallic disc 16 snaps from that shown in FIG convex shape into a concave shape, with her Edge 30 moves in the direction of arrows 31 upwards.
  • the edge 30 finally comes into abutment with the top of the bag 14 and presses the movable contact part in Fig. 1 down, so that the electrical connection between the first mating contact 24 and the second mating contact 26 interrupted becomes.
  • an insulating layer 32 of the housing part 12 is provided with the the edge 30 in Fig. 1 comes right into abutment.
  • the pocket 14 is closed on the left in FIG. 1 by a cover 34, between the housing part 12 and the lid 34 a kind of labyrinth seal 35 is formed, through which a Ingress of dirt or moisture into the bag 14 effectively is prevented.
  • the lid 34 is above a film hinge 36 connected to the device 10.
  • the device 10 shown in Fig. 2 is similar in construction Device in Fig. 1, the spring washer 17, however, with a holding approach 38 connected to the at its free end 39 at a Guide member 41 is attached, which is part of the lid 34.
  • the spring washer 17 is supported by its edge 29 now on the the guide member 41 opposite second mating contact 26th and presses in the low-temperature position shown in Fig. 2 the movable contact member 18 again against the first mating contact 24.
  • the same reference numbers refer here same features of the device 10 as in Fig. 1st
  • the switching mechanism 15 comprises a bimetallic tongue 42, at its first end 43 on the guide part 41 is attached and there in electrical contact with the there provided second mating contact 26 is.
  • the external connection 27 is also provided here.
  • the bimetal tongue 42 carries at its free end 44 a movable Contact member 45, which cooperates with the first mating contact 24.
  • Fig. 4 is similar to the embodiment according to Fig. 3 shows a device 10, wherein the bimetal tongue 42nd not directly on the guide part 41 but on a free End of a spring tongue 47 is attached, which in turn with its other end 48 is fixed to the guide member 41 and There is in contact with the second mating contact 26.
  • a frameless rear derailleur 15 is inserted, which is due to the own spring force of the spring washer 17, the bimetallic tongue 42nd and / or the spring tongue 47 between the two mating contacts 24 and 26 strained.
  • the rear derailleur 15 are laterally in the Pocket 14 introduced, which then closed with the lid 34 is, on which a guide member 41 may be provided can, which carries the switching mechanisms of FIG. 2, 3 and 4.
  • At the Inserting the derailleurs in the pocket 14 provides the labyrinth seal 35 for a guide, so that a mechanical damage the derailleur 15 is prevented.
  • the rear derailleur 15 During transport, the rear deraille 15 according to the figures 2 to 4 stored in a protective sheath 51 shown in Fig. 5 be, which has an interior 52 for receiving the rear derailleur 15 and an opening 53, in which the guide part 41 can be inserted.
  • the protective cover 51 is in Simplest case, a plastic cap on the guide part 41 stuck and the rear derailleur 15 from mechanical damage as well as protects against dirt and moisture.
  • FIG. 6 shows yet another embodiment of the pocket 14. which in this case is open at the top.
  • the rear derailleur 15 of FIG. 1 is inserted, wherein a lid 55 in an upwardly open opening 56 of the housing part 12th plugged.
  • the rear derailleur 15 from above be inserted into the pocket 14, without the risk of Verkarntens between the two counter-electrodes 24, 26 is, because the counter electrode 26 is only after inserting the Derailleur 15 in the pocket 14 in contact with the rear derailleur 15 brought.
  • the same benefits also apply to the devices 10 of Fig. 3 and 4, where the rear derailleur already firmly the second counter electrode 26 is connected before it in the Pocket 14 is introduced.

Landscapes

  • Thermally Actuated Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Push-Button Switches (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Superheterodyne Receivers (AREA)
  • Networks Using Active Elements (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Control Of Temperature (AREA)
  • Protection Of Static Devices (AREA)

Claims (12)

  1. Appareil comprenant un consommateur électrique (11) et une poche (14) pour loger un mécanisme de commutation variable avec la température (15) destiné à protéger le consommateur (11) d'une température excessive et/ou d'un courant excessif, dans lequel un premier contre-contact (24 sur les figures 1 et 2) pour le mécanisme de commutation (15) relié électriquement au consommateur (11) ainsi qu'un deuxième contre-contact (26 sur les figures 1 et 2) relié électriquement à un raccordement extérieur (27) pour l'alimentation électrique du consommateur (11) sont prévus dans la poche (14), dans lequel le mécanisme de commutation (15), au-dessous de sa température de réponse, s'appuie directement sur les deux contre-contacts (24, 26 sur les figures 1 et 2),
       caractérisé en ce que la poche (14) dans l'appareil est réalisée pour loger directement un mécanisme de commutation sans boítier (15).
  2. Appareil selon la revendication 1, caractérisé en ce qu'un couvercle (34) est prévu qui ferme hermétiquement la poche (14) après insertion du mécanisme de commutation (15).
  3. Appareil selon la revendication 2, caractérisé en ce que le couvercle (34) est fixé à l'appareil (10) de façon articulée, de préférence par l'intermédiaire d'une charnière-film (36).
  4. Appareil selon la revendication 2 ou 3, caractérisé en ce que l'un des deux contre-contacts (24, 26), de préférence le deuxième contre-contact (26), est disposé au niveau du couvercle (34).
  5. Appareil selon l'une des revendications 1 à 4, caractérisé en ce qu'un mécanisme de commutation (15) est inséré dans la poche (14), le mécanisme étant une unité imperdable composée d'un élément bimétallique (16, 42) et d'une pièce de contact mobile (18, 45) qui coopère avec l'un des deux contre-contacts (24, 26).
  6. Appareil selon la revendication 5, caractérisé en ce que le mécanisme de commutation (15) comprend un élément formant ressort (17, 47) retenu de façon imperdable sur la pièce de contact (18, 45) et coopérant avec l'autre des deux contre-contacts (24, 26).
  7. Appareil selon l'une des revendications 1 à 6, caractérisé en ce que le mécanisme de commutation (15) est fixé à une pièce de guidage (41) qui est insérée dans la poche (14) en même temps que le mécanisme de commutation (15).
  8. Appareil selon la revendication 7, caractérisé en ce que la pièce de guidage (41) agit comme un couvercle (34) et ferme la poche (14) de façon hermétique.
  9. Appareil selon la revendication 7 ou 8, caractérisé en ce que l'un des deux contre-contacts (24, 26), de préférence le deuxième contre-contact (26), est disposé sur la pièce de guidage (41).
  10. Appareil selon la revendication 5 et l'une des revendications 7 à 9, caractérisé en ce que l'élément bimétallique (16, 42) est réalisé comme une lame bimétallique (42) qui est fixée par sa première extrémité (43) à la pièce de guidage (42) et porte à son extrémité libre (44) la pièce de contact mobile (45).
  11. Appareil selon la revendication 6 et l'une des revendications 7 à 9, caractérisé en ce que l'élément formant ressort (17, 47) est réalisé comme une lame de ressort (42) qui est fixée par sa première extrémité (48) à la pièce de guidage (41) et est reliée par sa deuxième extrémité (46) à une première extrémité (43) de l'élément bimétallique (42) qui porte à son extrémité libre (44) la pièce de contact mobile (45).
  12. Appareil selon la revendication 6 et l'une des revendications 7 à 9, caractérisé en ce que l'élément formant ressort (17) présente une saillie de retenue (38) qui est fixée à la pièce de guidage (41).
EP00103106A 1999-04-30 2000-02-16 Appareil avec interrupteur thermique, disposé dans une poche Expired - Lifetime EP1049124B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK00103106T DK1049124T3 (da) 1999-04-30 2000-02-16 Apparat med et i en lomme tilvejebragt temperaturafhængigt sekventielt kredslöb

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19919648A DE19919648C2 (de) 1999-04-30 1999-04-30 Gerät mit in einer Tasche vorgesehenem temperaturabhängigen Schaltwerk
DE19919648 1999-04-30

Publications (3)

Publication Number Publication Date
EP1049124A2 EP1049124A2 (fr) 2000-11-02
EP1049124A3 EP1049124A3 (fr) 2002-02-06
EP1049124B1 true EP1049124B1 (fr) 2005-05-18

Family

ID=7906377

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00103106A Expired - Lifetime EP1049124B1 (fr) 1999-04-30 2000-02-16 Appareil avec interrupteur thermique, disposé dans une poche

Country Status (7)

Country Link
US (1) US6724293B1 (fr)
EP (1) EP1049124B1 (fr)
AT (1) ATE295993T1 (fr)
DE (2) DE19919648C2 (fr)
DK (1) DK1049124T3 (fr)
ES (1) ES2241515T3 (fr)
PT (1) PT1049124E (fr)

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KR20030047801A (ko) * 2001-12-07 2003-06-18 후루카와 덴키 고교 가부시키가이샤 열 프로텍터
US7109840B2 (en) * 2004-05-27 2006-09-19 Sensata Technologies, Inc. Protector for electrical apparatus
JP2006092825A (ja) * 2004-09-22 2006-04-06 Fuji Denshi Kogyo Kk 温度スイッチと温度スイッチの組立方法
DE102007014237A1 (de) 2007-03-16 2008-09-18 Hofsaess, Marcel P. Temperaturabhängiger Schalter und dafür vorgesehenes Schaltwerk
DE102007042188B3 (de) * 2007-08-28 2009-04-09 Hofsaess, Marcel P. Temperaturabhängiger Schalter mit Selbsthaltefunktion
DE102009030353B3 (de) * 2009-06-22 2010-12-02 Hofsaess, Marcel P. Kappe für einen temperaturabhängigen Schalter sowie Verfahren zur Fertigung eines temperaturabhängigen Schalters
DE102009039948A1 (de) * 2009-08-27 2011-03-03 Hofsaess, Marcel P. Temperaturabhängiger Schalter
JP5743803B2 (ja) * 2011-08-19 2015-07-01 株式会社小松ライト製作所 サーマルプロテクター及びその製造方法
DE102011119633B3 (de) * 2011-11-22 2013-04-11 Marcel P. HOFSAESS Temperaturabhängiger Schalter
DE102013108504C5 (de) * 2013-08-07 2018-11-15 Thermik Gerätebau GmbH Temperaturabhängiger Schalter
DE102022118405B3 (de) 2022-07-22 2023-08-24 Marcel P. HOFSAESS Temperaturabhängiges Schaltwerk und temperaturabhängiger Schalter mit einem solchen Schaltwerk
DE102022118402B3 (de) 2022-07-22 2023-08-24 Marcel P. HOFSAESS Temperaturabhängiges Schaltwerk, temperaturabhängiger Schalter und Verfahren zur Herstellung eines temperaturabhängigen Schaltwerks
DE102022134380B3 (de) 2022-12-21 2024-02-08 Marcel P. HOFSAESS Temperaturabhängige Schaltwerke und temperaturabhängiger Schalter mit einem solchen Schaltwerk
DE102023102302B3 (de) 2023-01-31 2024-03-28 Marcel P. HOFSAESS Temperaturabhängiger Schalter
DE102023102304B4 (de) 2023-01-31 2024-08-08 Marcel P. HOFSAESS Temperaturabhängiges Schaltwerk und temperaturabhängiger Schalter
DE102023104836B3 (de) 2023-02-28 2024-05-16 Marcel P. HOFSAESS Temperaturabhängiges Schaltwerk und temperaturabhängiger Schalter

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Also Published As

Publication number Publication date
US6724293B1 (en) 2004-04-20
DK1049124T3 (da) 2005-06-20
PT1049124E (pt) 2005-07-29
DE50010327D1 (de) 2005-06-23
EP1049124A2 (fr) 2000-11-02
ATE295993T1 (de) 2005-06-15
DE19919648A1 (de) 2000-12-07
EP1049124A3 (fr) 2002-02-06
ES2241515T3 (es) 2005-11-01
DE19919648C2 (de) 2003-03-13

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