EP2743954A1 - Commutateur thermodépendant - Google Patents

Commutateur thermodépendant Download PDF

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Publication number
EP2743954A1
EP2743954A1 EP13191916.9A EP13191916A EP2743954A1 EP 2743954 A1 EP2743954 A1 EP 2743954A1 EP 13191916 A EP13191916 A EP 13191916A EP 2743954 A1 EP2743954 A1 EP 2743954A1
Authority
EP
European Patent Office
Prior art keywords
housing
switch
temperature
shielding
shielding pot
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.)
Granted
Application number
EP13191916.9A
Other languages
German (de)
English (en)
Other versions
EP2743954B1 (fr
Inventor
Marcel P. Hofsaess
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.)
HOFSAESS, MARCEL P.
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
Application filed by Individual filed Critical Individual
Priority to PL13191916T priority Critical patent/PL2743954T3/pl
Publication of EP2743954A1 publication Critical patent/EP2743954A1/fr
Application granted granted Critical
Publication of EP2743954B1 publication Critical patent/EP2743954B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01H37/32—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
    • 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
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49105—Switch making

Definitions

  • the present invention relates to a temperature-dependent switch with a housing having a cover part and a lower part with a circumferential wall and a bottom, and arranged in the housing with a temperature-dependent switching mechanism which, depending on its temperature, an electrically conductive connection between two at the Housing provided external connections or opens.
  • Such a switch is, for example, from the DE 103 01 803 A1 known.
  • the known temperature-dependent switch is used in a conventional manner to monitor the temperature of a device. For this purpose, for example, it is brought into thermal contact with the device to be protected via one of its outer surfaces, so that the temperature of the device to be protected influences the temperature of the derailleur.
  • the switch is electrically connected via the soldered to its external terminals leads in series in the supply circuit of the device to be protected, so that below the response temperature of the switch, the supply current of the device to be protected flows through the switch.
  • the known switch has a deep-drawn lower part, in which an inner circumferential shoulder is provided, on which a lid part rests.
  • the lid part is held by a raised and flanged edge of the base firmly on this shoulder.
  • cover part and lower part are made of electrically conductive material, an insulating film is provided between them, which extends parallel to the cover part and is pulled up laterally, so that the flanged edge presses with the interposition of the insulating film on the cover part.
  • the temperature-dependent switching mechanism here comprises a spring snap-action disk, which carries the movable contact part, as well as a bimetallic disk which is put over the movable contact part.
  • the spring snap-action disk carries a so-called movable contact part, which presses the spring disk against a stationary contact part on the inside of the cover part.
  • the spring snap-action disk With its edge, the spring snap-action disk is supported in the lower part of the housing, so that the electric current flows from the lower part through the spring snap-action disk and the movable contact part into the stationary contact and from there into the cover part.
  • the first external connection is a contact surface, which is arranged centrally on the cover part.
  • This design is particularly chosen when very high currents must be switched, which can not be easily passed through the spring washer itself.
  • a bimetal disc is provided for the temperature-dependent switching function, which rests below its critical temperature without force in the switching mechanism, wherein it is arranged geometrically between the contact part or the contact bridge and the spring snap-action disc.
  • the bimetallic disc changes its configuration and presses with its edge against an abutment, which is usually provided on the cover part.
  • the bimetallic disc presses with its central region against the spring snap-action disc and thus lifts the movable contact part of the stationary contact or the current transfer member of the two stationary contacts, so that the switch opens and the device to be protected is turned off and not further can heat up.
  • the bimetallic disc is mounted mechanically free of forces below its transition temperature, the bimetallic disc is also used in any case to guide the flow.
  • bimetallic discs have a long mechanical life, and that the switching point, so the critical temperature of the bimetal disc, not changed even after many switching cycles.
  • the bimetallic disc can also take over the function of the spring snap-action, so that the switching mechanism comprises only a bimetallic disc, which then carries the movable contact part or the current transfer member and in the closed State of the switch also conducts the current.
  • the bimetallic disc can take over the function of the spring snap-action disc.
  • From the DE 195 17 310 A1 is one to the from the above-mentioned DE 103 01 803 A1 Comparable constructed temperature-dependent switch known in which the cover part, however, is made of a PTC thermistor and rests without interposition of an insulating film on an inner circumferential shoulder of the lower part to which it is pressed by the flanged edge of the lower part.
  • the first external connection is an external head of a rivet sitting centrally in the cover part, the inside head of which serves as a fixed mating contact.
  • As a second outer terminal also serves a provided on the flanged edge of the base contact surface.
  • the PTC thermistor cover is electrically connected in parallel to the two outer terminals, so that it gives the switch a self-holding function.
  • the cover part is also made of PTC thermistor, so that it also has a self-holding function.
  • the outer heads form the two outer terminals, and interact their inner heads as stationary contacts with the contact bridge.
  • the known switches are therefore often used in enclosing or protective caps that serve the mechanical and / or electrical protection and often the case should also protect against the entry of impurities. Examples of this can be found for example in the DE 91 02 841 U1 , the DE 92 14 543 U1 , of the DE 37 33 693 A1 and the DE 197 54 158 ,
  • connection caps on the switches from above, ie from the connection side, in order to ensure a defined external connection and the sealing of the housing. Examples of this can be found for example in the DE 10 2005 001 371 B4 or the DE 10 2009 030 353 B3 ,
  • a iosolierkappe for a temperature-dependent switch is known, which is designed as a cup-like surrounding housing and is pushed from below onto the housing of the temperature-dependent switch so that lead up to the switch housing soldered leads up out of the cap. The opening of the cap is then closed by a cast resin cover.
  • the cap is made of plastic and serves for the electrical insulation of the switch, whose lower part consists of metal.
  • From the DE 10 2011 016 896 B3 is a temperature-dependent switch with a bimetallic disc, an insulator body and external connections and a housing known, in which the bimetallic disc and the insulator body are used.
  • the housing can be made of ferromagnetic steel to mechanically shield the derailleur.
  • the electromagnetic environment to which the switches are exposed during use appears to have changed in particular as a result of changed compositions of the leads, windings, winding plates, etc.
  • the present invention seeks to eliminate in the known switch in a structurally simple and inexpensive way, the above-mentioned problems, at least reduce ..
  • this object is achieved in the aforementioned switch in that it comprises a Abletopf of an electrically conductive, metallic material into which the housing is inserted with its bottom first.
  • the inventor has therefore just not gone the way to modify the housing itself or to insert the switch in a surrounding this from all sides shielding.
  • the inventor of the present application has recognized that the effect of electromagnetic fields is completely prevented or at least reduced by a shielding pot which is placed on the housing from below.
  • the shielding pot can be mechanically held on the housing, for example by crimping, clamping or crimping a raised edge of the Abletopfes on top of the switch inserted into the Abletopf.
  • the shielding pot can alternatively or additionally be connected by suitable resins or silicone with the top of the switch.
  • a shielding pot is therefore understood to mean an upwardly open planter which, owing to the physical properties of the material from which it is made, ensures a shielding of the temperature-dependent switch contained therein against electromagnetic fields.
  • Suitable materials are in particular electrically conductive metals and metal alloys in question.
  • the shielding pot is made of steel.
  • hot-rolled or cold-rolled deep-drawing steels which are used without coating or with a surface finish are considered as steels.
  • the shielding pots are shaped in particular from thin sheets of the type DC.
  • the electrically conductive lower part of the housing existing temperature-dependent switch is usually made of brass, because brass is a material that can be processed well due to its mechanical properties. These parts are structurally demanding, they have shoulders, etc. and must be made very dimensionally stable, so that the switching function of the temperature-dependent derailleur is guaranteed.
  • temperature-dependent switches have very small dimensions, the lower parts of the housing, for example, have a diameter of 8 to 10 mm and a total height of 4 to 6 mm.
  • Such small parts can be made of steel, a material that gives a very good electromagnetic shield, only with much greater effort and thus significantly higher costs than brass.
  • a shielding pot made of steel is very simple in construction, it preferably consists of a circumferential wall which defines an insertion opening at the top and is closed at the bottom by a bottom. This simple structure can also be produced very inexpensively from steel.
  • the thicknesses of the circumferential wall and bottom can be kept very low, without the shielding effect deteriorates.
  • the thicknesses of wall and floor are in the range of 0.1 to 03 mm. Such thin walls and floors also ensure good thermal connection of the equipped with the shielding switch to the device to be protected.
  • the shielding pot made of steel not only protects the switch inside from electromagnetic fields, it also provides mechanical protection that the brass housing can not guarantee.
  • the advantages of the shielding steel, even with temperature-dependent switches are realized, whose housing is made of a different material than brass, for example, made of an insulating material or a metal sheet.
  • the pressure stability mediated by the shielding pot has a particularly advantageous effect.
  • An inventively equipped with a shield pot made of steel thus combines the advantages of the usual, inexpensive and dimensionally stable to manufacture housing and the steel housing, without causing the high cost associated with a steel housing.
  • the Abletopf has an insertion depth which corresponds at least to the height of the housing between the top and bottom, preferably at least 10% greater than this height.
  • the Abletopf has a peripheral wall which defines an insertion above and is closed at the bottom by a bottom, wherein preferably the peripheral wall is bent over with its upper edge on the upper side of the housing.
  • the housing is mechanically held by the bent edge in the Abletopf, the edge in addition to a provides mechanical protection of the cover part, which is particularly advantageous if the cover part is made of insulating material or PTC thermistor.
  • the two outer terminals are provided with connection lines leading out of the top of the shielding pot, wherein preferably contact angles with their short legs are fastened to the outer terminals, and the connecting lines are fastened to their long legs. Further preferably, the long legs are bent over the short legs.
  • the connecting leads are still pointing vertically upwards, the upper edge of the peripheral wall of the shielding pot can be bent inwards in a simple manner in order to mechanically fix the housing. Only now are the long legs bent over the short legs, so that the leads lead away from the side of the switch, as it is required for most applications.
  • an electrical insulating material preferably a silicone adhesive, one-component thermosetting resin or a resin, in particular a composition having an epoxy resin is applied on the upper side, the electrical insulating material covering at least the two outer terminals and connecting the shielding pot to the housing.
  • the shielding pot is not or not exclusively held purely mechanically but also / only cohesively on the housing. It is set automatically, so to speak, during the curing of the electrical insulating material on the housing.
  • the electrical insulating material preferably a Silicone adhesive, one-component Duroplast or a casting resin such as epoxy resin is, covers at least the outer terminals of the switch and the possibly still free stripped ends of the connecting cables.
  • the silicone adhesive or resin also provides strain relief for the leads soldered to the outer leads or the legs of the contact angles, although a silicone adhesive does not provide the degree of stability such as an epoxy resin. Nevertheless, the electrical insulation material ensures a further improved mechanical stability and pressure compatibility of the new switch as well as improved electrical and mechanical protection of the cover part.
  • the switch can therefore also be wrapped in a winding of a coil when the cover part consists of a PTC thermistor material.
  • the provided with the Abletopf switch can then be subsequently introduced into a cap made of a shrink tubing to isolate the switch to the outside, as it is, for example, from the DE 19 05 153 is known, the content of which is hereby made the subject of the present application.
  • the present invention also relates to a shielding pot for the new switch, wherein the Abletopf is provided with a circumferential wall which defines an insertion above and is closed at the bottom by a bottom, the Abletopf of an electrically conductive, metallic material, preferably made of steel.
  • the new shielding pot has the features described above in connection with the new switch, wherein it can be supplied as a separately marketable part of a manufacturer of the temperature-dependent switch via a third party.
  • pre-assembled switches in which the switching mechanism has been installed in the housing, can be provided with connection lines at any time and then equipped with a shielding pot, so that they can be wrapped, for example, in windings of transformers.
  • oils or outgassing fluids used in this wrapping can not diffuse or creep into the interior of the switch, so that the switch is not only mechanically stable but also highly sealed against the environment.
  • the new method and the new shielding can be used in switches of any design, with changes to the switches themselves are not required.
  • switches are shown by way of example, each having a pot-like lower part with a wall, the edge of which is flanged inwardly to fix the cover part on a shoulder of the lower part.
  • At least one external connection for a connecting line is provided in the cover part, wherein the other external connection is also provided on the cover part, if the temperature-dependent switching mechanism carries a contact plate, or if the edge itself or the bottom or a wall of the electrically conductive lower part partially as further external connection can be formed.
  • Such switches are often distributed by the applicant's company, they can be equipped with a cover part of PTC thermistor or with a lid part made of insulating material or with a cover part of electrically conductive material, each corresponding insulation measures are provided so that no short circuit between electrically conductive parts that affects the operation of the switch.
  • a shielding pot adapted in its geometry to the respective switch type is now placed on these existing switches if necessary, effectively protecting the pickup switch against the action of electromagnetic fields.
  • step b) two contact angles are each fastened with its short leg to one of the two outer terminals, and one of the two connection lines is fastened to its respective long legs.
  • the peripheral wall is bent with its upper edge on the top of the housing.
  • step c) the long legs are bent onto the short legs.
  • the new switch can be protected in a structurally simple and inexpensive way from the effects of electromagnetic fields.
  • Fig. 1 is schematic, not to scale and shown in side section a temperature-dependent switch 1 having a housing 2, which has a cylindrical circumferential wall 10 here, which is formed on an electrically conductive pot-like lower part 11, of a plate-like, electrically conductive cover part 12th is closed.
  • the lid part 12 is held with the interposition of an insulating film 13 by a flanged edge 14 of the wall 10 to the lower housing part 11.
  • a temperature-dependent switching mechanism 15 is arranged, which comprises a Federschnappulation 16, which centrally carries a movable contact member 17 on which a freely inserted bimetallic disc 18 is seated.
  • a bimetallic disc is understood to mean a multilayer, active, sheet-metal component made of two, three or four components which are inseparably connected to one another and have different expansion coefficients.
  • the connection of the individual layers of metals or metal alloys are cohesively or positively and are achieved for example by rolling.
  • the spring snap disk 16 is supported on a bottom 19 inside of the lower part 11, while the movable contact part 17 is in contact with a fixed contact part 20 which is provided on an inner side 21 of the cover part 12.
  • the lower part 11 is provided with a flat underside 24, via which the switch 1 is thermally coupled to a device to be protected.
  • the two outer terminals 22, 23 are thus adjacent to one another at an upper side 25 of the housing.
  • the temperature-dependent switching mechanism 15 in the in Fig. 1 shown low-temperature position an electrically conductive connection between the two outer terminals 22, 23 forth, the operating current on the fixed contact part 20, the movable contact part 17, the spring snap disk 16 and the lower part 11 flows.
  • Fig. 2 shows a temperature-dependent switch 1 ', which is constructed similar to the switch 1 off Fig. 1 , Same constructive features are denoted by the same reference numerals as in FIG Fig. 1 Mistake.
  • the cover part 12 is not made of electrically conductive material but of a cold conductor material 26 which acts as a self-holding resistor, so that the switch 1' is held in the open state until the supply voltage is switched off.
  • a "PTC resistor material” is understood to mean an electrically conductive ceramic material which has a positive temperature coefficient, so that its electrical resistance increases as the temperature increases. The course of the electrical resistance value over the temperature is non-linear.
  • PTC thermistors are also referred to as PTC resistors. They are made, for example, from semiconductive, polycrystalline ceramics such as BaTiO3.
  • the stationary contact part 20 is formed by an inner head of a rivet 27, which passes through the lid part and forms the outer terminal 22 with its outer head.
  • Fig. 3 shows a schematic plan view of the switches 1 and 1 ', which do not differ significantly in this view.
  • switches 1 and 1 'from the Fig. 1 and 2 are provided with a switching mechanism 15, in which the current flows through the spring snap disk 16, shows Fig. 4 a switch 1 "', in which the current is passed through a contact plate, so that this switch 1" can switch higher currents.
  • the temperature-dependent switch 1 "comprises a temperature-dependent switching mechanism 111 housed in the housing 2, which again has the lower side 24 and the upper side 25.
  • the housing 2 comprises a circumferential, here cylindrical wall 113 exhibiting lower part 114 and a this closing lid member 115 of insulating material, which is held by a flanged edge 116 of the wall 113 of the lower part 114 at this.
  • a ring 117 is arranged, which is supported on a shoulder 118 of the lower part 114 and there leads a spring snap-action disc 121 of the rear derailleur 111 at its edge.
  • the rear derailleur 111 additionally comprises, in addition to the spring snap-action disc 121, a bimetallic disc 122 which, together with the spring snap-action disc 121, is centrally penetrated by a pin-like rivet 123, by which these are mechanically connected to a current transfer member in the form of a contact plate 124.
  • the rivet 123 has a first shoulder 125 on which the bimetallic disc 122 sits with radial and axial play, with a second shoulder 126 is provided, on which the spring snap disc 121 also sits with radial and axial play.
  • the bimetal disc 122 is supported with its peripheral edge inside in the lower part 114.
  • the already mentioned contact plate 124 has, in the direction of the cover part 115, two electrically interconnected, large-area contact surfaces 127 which cooperate with two stationary contacts 131, 132 arranged on the inner side 129 of the cover part 115, which are inner heads of contact rivets 133, 134 pass through the lid member 115 and serve with their outer heads 135, 136 on the upper side 25 of the lid part 115 and thus of the housing 2 as petroleuman say22 and 23.
  • the lid part 115 is made of insulating material. Like the one from the DE 198 27 113 C2 Known switch, the lid member 115 may alternatively be made of a PTC resistor 26, so represent a PTC resistor, which is electrically connected between the stationary contacts 131, 132. The lid part 115 then acts as a self-holding resistor.
  • Fig. 5 shows a plan view of the switch 1 "in a representation like Fig. 3 , Here, too, a connection line 27, 28 with their respective stripped end 29, 31 soldered to the outer terminals 22, 23 each.
  • the switches 1 and 1 are used in a schematically indicated shielding pot 41, which serves in a manner to be described, the electromagnetic shielding of the switches 1, 1 'and consists of an electrically conductive, metallic material, preferably as a turned part is made of steel.
  • Fig. 6 shows above a schematic side view of the switch 1 '", where there are attached to the outer heads 135, 136 of the contact rivets 133, 134, ie to the pads 22, 23 contact angle 137 and 138 with their short legs 139, 140, wherein at the upstanding long legs 141, 142 are each soldered to a connecting line 27, 28 with their respective stripped ends 29, 31.
  • the housing 2 has an outer diameter designated 39 and between the lower side 24 and upper side 25 a height designated 40 on.
  • the shielding pot 41 Under the switch 1 '"is in Fig. 6 in a sectional side view of the FIGS. 3 and 5 known shielding pot 41 shown, which has a circumferential, here cylindrical wall 42 and is closed at the bottom by a flat bottom 43 having a support surface 44. Opposite the bottom 43, the shielding pot 41 has an insertion opening 45, through which the switch 1 '"with its underside 25 is first inserted, which thereby comes to rest on the support surface 44.
  • the shielding pot 41 has between bearing surface 44 and insertion opening 45 with a designated insertion depth, which is slightly, at least 10% greater than the height 40 of the housing 2.
  • the shielding pot 41 has an inner diameter 47 which is slightly larger than the outer diameter 39 of the housing 2, so that the housing 2 can be inserted into the shielding pot 41 and the wall 42 thereafter tight against the wall 113 of the housing 2.
  • the bottom 43 has a thickness designated 48 and the wall 42 has a thickness designated 49. With 50, the outer diameter of the shielding pot 41 is designated.
  • the shielding pot 41 is made of an electrically conductive, metallic material such as steel, for example, a deep-drawn sheet steel grade DC.
  • the insertion depth 46 is for example 5 mm
  • the outer diameter 50 is for example 10 mm
  • the thicknesses 48 and 49 are, for example, about 0.5 mm in each case.
  • the height 40 is then, for example, 4 mm, so that the wall 43 protrudes about 1 mm above the top 24 when the housing 2 is inserted into the shielding pot 41.
  • Fig. 7 the switch 1 '"is shown in this state inserted into the shielding pot 41, wherein the shielding pot 41 is cut in.
  • the switch 1'" in Fig. 7 is opposite to the representation of Fig. 6 rotated 90 ° counterclockwise, so that the contact angle 137 can be seen from the side.
  • the soldered to the long legs 141, 142 connection lines 28, 27 protrude vertically upwards out of the shielding pot 41.
  • the peripheral wall 42 is bent at its upper edge 51, which is easy to do, because the connecting lines are facing upwards.
  • the housing 2 is now on the bottom surface 24 on the support surface 44 and is held captive in the shielding pot 41 about the after insertion of the housing slightly inward, so on the top 25 of the housing 2 to bent upper edge 51 of the wall 42.
  • the shielding pot 41 establishes the thermal contact with the device to be protected via its underside 52. Because the housing 2 is in thermal contact with the support surface 44 via its lower surface 24 and in thermal contact with the wall 42 via its wall 113, it is thermally connected to the device to be protected. The quality of the thermal connection is determined by the strength of the mechanical system between the housing 2 and shielding pot 4 and by the material from which the Abletopf is made, which is also a good thermal conductor because of its electrical conductivity.
  • the shielding pot 41 shields the housing 2 not only from electromagnetic fields, it also protects it mechanically against pressure loads from above and from the side. This is particularly advantageous for switches whose cover part 12 consists of PTC thermistor material or insulating material.
  • the two long legs 141, 142 are bent along the arrow 53 to the short legs 139, 140, so that the long legs 141, 142 extend approximately parallel to the top 245 and the connecting lines 28, 27 upwards and laterally lead out of the connection pot 41.
  • the insertion opening 45 surrounded by the edge 51 is now closed with a cast resin cover or other suitable electrical insulating material.
  • an electrical insulating material 54 is placed within the edge 51 on the top 25, which covers the entire top 25 and thus the stripped ends 29, 31 and extending on the top 25 portions of the connecting lines 27, 28, as shown in the plan view of Fig. 8 is shown.
  • Fig. 9 is the switch off Fig. 8 in side view with cut connecting leads 27, 28.
  • Fig. 9 It can be seen that the Elektroisoliermaterial 54 projects beyond the shielding pot 4 upwards and is curved, so that the top of the housing 2 is mechanically and electrically protected.
  • the shielding plate 41 made of steel, the switches 1, 1 ', 1 "" compared to the effect of electromagnetic fields much better protected than if the switch in question would be used without Abletopf 41, where the effects of electromagnetic fields on the bimetal and on the Opening resulting arcs can lead to malfunction or shorten the life.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermally Actuated Switches (AREA)
EP13191916.9A 2012-12-13 2013-11-07 Commutateur thermodépendant Active EP2743954B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13191916T PL2743954T3 (pl) 2012-12-13 2013-11-07 Przełącznik zależny od temperatury

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012112207.5A DE102012112207B3 (de) 2012-12-13 2012-12-13 Temperaturabhängiger Schalter

Publications (2)

Publication Number Publication Date
EP2743954A1 true EP2743954A1 (fr) 2014-06-18
EP2743954B1 EP2743954B1 (fr) 2019-08-21

Family

ID=49546327

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13191916.9A Active EP2743954B1 (fr) 2012-12-13 2013-11-07 Commutateur thermodépendant

Country Status (7)

Country Link
US (1) US20140167907A1 (fr)
EP (1) EP2743954B1 (fr)
CN (1) CN103871777A (fr)
DE (1) DE102012112207B3 (fr)
DK (1) DK2743954T3 (fr)
ES (1) ES2752180T3 (fr)
PL (1) PL2743954T3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9831054B2 (en) 2014-03-27 2017-11-28 Littelfuse, Inc. Insulated thermal cut-off device
US20160370813A1 (en) * 2015-06-19 2016-12-22 Phillips & Temro Industries Inc. Thermostat Assembly and Method of Manufacturing
US11195679B2 (en) 2018-11-28 2021-12-07 Marcel P. HOFSAESS Temperature-dependent switch
DE102018130078B4 (de) * 2018-11-28 2020-10-15 Marcel P. HOFSAESS Temperaturabhängiger Schalter
DE102019112581B4 (de) * 2019-05-14 2020-12-17 Marcel P. HOFSAESS Temperaturabhängiger Schalter
DE102023107381B3 (de) * 2023-03-23 2024-05-29 Marcel P. HOFSAESS Verfahren zur Montage eines temperaturabhängigen Schalters

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1905153B1 (de) 1969-02-03 1970-11-19 Pfeiffer Fa Christian Umluftsichter
DE2442397A1 (de) 1974-09-04 1976-03-18 Thermik Geraetebau Gmbh Bimetallschalter mit kunststoffisolierung
US4503414A (en) 1983-06-20 1985-03-05 Sykes Huey P Current interrupting lightning arrester isolator
DE8713929U1 (de) * 1986-10-25 1987-12-17 Hofsäss, Peter, 7530 Pforzheim Temperaturschalteinheit
DE3733693A1 (de) 1986-10-28 1988-05-11 Hofsass P Gekapselter temperaturschalter
DE9102841U1 (de) 1991-03-09 1992-04-02 Hofsäss, Peter, 7530 Pforzheim Temperaturschalter mit Schalteinheit und Aufnahmeteil
DE9214543U1 (de) 1992-10-27 1992-12-17 Thermik Gerätebau GmbH, 75181 Pforzheim Temperaturschalter mit gekapseltem Schaltwerk
DE19517310A1 (de) 1995-05-03 1996-11-14 Thermik Geraetebau Gmbh Baustein aus Kaltleitermaterial
DE19754158A1 (de) 1997-10-28 1999-05-12 Marcel Hofsaes Verfahren zum Isolieren eines elektrischen Bauteiles
DE19827113C2 (de) 1998-06-18 2001-11-29 Marcel Hofsaes Temperaturabhängiger Schalter mit Stromübertragungsglied
DE4143671C2 (de) 1991-11-28 2002-02-28 Hofsaes Geb Zeitz Verfahren zur Fertigung eines Temperaturschalters
DE10301803A1 (de) 2003-01-20 2004-07-29 Marcel Hofsaess Schutz-Temperatur-Begrenzer mit integriertem Kontakt
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DK2743954T3 (da) 2019-11-11
ES2752180T3 (es) 2020-04-03
EP2743954B1 (fr) 2019-08-21
PL2743954T3 (pl) 2020-02-28
DE102012112207B3 (de) 2014-02-13
US20140167907A1 (en) 2014-06-19
CN103871777A (zh) 2014-06-18

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