EP3410457B1 - Temperaturabhängiger schalter mit schneidgrat - Google Patents

Temperaturabhängiger schalter mit schneidgrat Download PDF

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Publication number
EP3410457B1
EP3410457B1 EP18184744.3A EP18184744A EP3410457B1 EP 3410457 B1 EP3410457 B1 EP 3410457B1 EP 18184744 A EP18184744 A EP 18184744A EP 3410457 B1 EP3410457 B1 EP 3410457B1
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EP
European Patent Office
Prior art keywords
switch
cover part
shoulder
temperature
cutting burr
Prior art date
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Active
Application number
EP18184744.3A
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German (de)
English (en)
French (fr)
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EP3410457A1 (de
Inventor
Marcel P. Hofsaess
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Individual
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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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/64—Contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/002—Casings sealed
    • 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 temperature-dependent switch with a housing, which comprises a cover part with an underside and an upper side and an electrically conductive lower part with an encircling shoulder and an encircling wall, the upper portion of which overlaps the cover part, with at least one on the top of the cover part arranged first outer contact surface, at least one second outer contact surface provided on the outside of the housing, the upper portion of the circumferential wall of the lower part overlapping the cover part pressing the cover part onto the circumferential shoulder, and with a temperature-dependent switching mechanism which is arranged in the housing and which is dependent on its temperature creates or opens an electrically conductive connection between the first and the second outer contact surface, a sealing means being provided between the cover part and the lower part.
  • Such a switch is from the DE 196 23 570 A1 or EP0651411 A1 known.
  • the known temperature-dependent switch is used in a manner known per se to monitor the temperature of a device. For this purpose, it is brought into thermal contact with the device to be protected, for example via one of its outer surfaces, so that the temperature of the device to be protected influences the temperature of the switching mechanism.
  • the switch is electrically connected in series to the supply circuit of the device to be protected via the connection lines soldered to its two outer contact surfaces, so that the supply current of the device to be protected flows through the switch below the response temperature of the switch.
  • the known switch has a deep-drawn or turned lower part, in which an inner circumferential shoulder is provided, on which a cover part rests.
  • the cover part is held firmly on this shoulder by a raised peripheral wall of the lower part which is bent radially inward at its upper section.
  • cover part and the lower part are made of electrically conductive material, an insulating film is provided between them, which extends around the cover part and extends inside the switch parallel to the cover part and is pulled up laterally, so that its edge area extends to the top of the cover part extends.
  • the bent upper section of the peripheral wall of the lower part lies on the edge area of the insulating film.
  • the temperature-dependent switching mechanism here comprises a spring snap disk, which carries a movable contact part, as well as a bimetallic plate placed over the movable contact part.
  • the spring snap disk presses the movable contact part against a stationary counter contact on the inside of the cover part.
  • the edge of the spring snap washer is supported in the lower part of the housing, so that the electric current flows from the lower part through the spring snap washer and the movable contact part into the stationary counter contact and from there into the cover part.
  • a first outer contact surface which is arranged centrally on the cover part, serves as the first external connection.
  • a second outer contact surface provided on the bent wall of the lower part serves as the second external connection.
  • the second external connection it is also possible to arrange the second external connection not on this edge but laterally on the current-carrying housing or on the underside of the lower part.
  • This construction is chosen especially when very high currents have to be switched, which can no longer be easily passed through the spring washer itself.
  • a bimetallic disc is provided for the temperature-dependent switching function, which lies force-free in the switching mechanism below its transition temperature.
  • a bimetal part is understood to mean a multi-layer active sheet-metal component made of two, three or four inseparably connected components with different coefficients of expansion.
  • the connection of the individual layers of metals or metal alloys are integral or positive and are achieved, for example, by rolling.
  • bimetallic parts have a first stable geometric conformation in their low-temperature position and a second stable geometric conformation between which they jump in a temperature-dependent manner in the manner of a hysteresis. When the temperature changes above their response temperature or below their return temperature, the bimetal parts snap into the other conformation.
  • the bimetallic parts are therefore often referred to as snap disks, and they can have an elongated, oval or circular shape when viewed from above.
  • the bimetallic disc changes its configuration and works against the spring snap disc so that it moves the movable contact part from the stationary counter contact or the current transmission element from the two stationary mating contacts so that the switch opens and the device to be protected is switched off and cannot heat up further.
  • the bimetallic disc is mechanically free of force below its transition temperature, and the bimetallic disc is also not used to conduct the current.
  • the advantage here is that the bimetallic discs have a long mechanical life and that the switching point, that is to say the transition temperature of the bimetallic disc, does not change even after many switching cycles.
  • the bimetal snap disk can also take over the function of the spring snap disk and possibly even the current transmission element, so that the switching mechanism only comprises one bimetal disk, which then moves Contact part carries or has two contact surfaces instead of the current transmission member, so that the bimetallic disc not only ensures the closing pressure of the switch, but also carries the current when the switch is closed.
  • a bimetallic spring which is clamped on one side and which carries a movable contact part or a contact bridge can also be used.
  • temperature-dependent switches can also be used which, as the current transmission element, do not have a contact plate but a spring part which carries the two mating contacts or on which the two mating contacts are formed.
  • the spring part can be a bimetallic part, in particular a bimetallic snap disk, which not only ensures the temperature-dependent switching function, but also also ensures the contact pressure and conducts the current when the switch is closed.
  • the bimetal disc can also take over the function of the spring snap disc.
  • the PTC thermistor cover is electrically connected in parallel to the two external connections, so that it gives the switch a self-holding function.
  • PTC resistors of this type are also referred to as PTC resistors.
  • they are made from semiconducting, polycrystalline ceramics such as BaTiO 3 .
  • the cover part is made of thermistor material, so that it also has a self-holding function.
  • Two rivets are arranged on the cover part, the external heads of which form the two external connections, and the internal heads of which interact as stationary counter-contacts with the contact bridge.
  • the cover part can also be made of insulating material or metal in a switch of this type, in the latter case like that of DE 196 23 570 A1 known switch is provided around the cover part extending insulating film which extends inside the switch parallel to the cover part and is pulled up laterally, so that its edge region extends to the top of the cover part.
  • the radially inwardly bent upper section of the peripheral wall of the lower part presses flat on the cover part with the interposition of the insulating film.
  • the housing is generally protected from the entry of contaminants by a seal which is attached to the external connections before or after the connection lugs or connecting lines have been connected.
  • the DE 10 2013 102 089 B4 describes a switch as it is principally mentioned in the introduction DE 196 23 570 A1 is known.
  • This switch has a spacer ring between the shoulder in the lower part and the cover part, which enables a larger switching distance between the movable contact part and the stationary counter contact.
  • the edge region of the insulating washer is cut V-shaped from the outside in this switch, whereby the ripple is greatly reduced, so that the tightness is improved.
  • the DE 10 2013 102 006 B4 also describes a switch as it is principally mentioned in the introduction DE 196 23 570 A1 is known.
  • This switch points like the one from the DE 195 17 310 A1 known switch on a cover part made of thermistor material. Due to the lack of pressure stability of this PTC cover, the radially inwardly bent upper section of the circumferential wall of the lower part cannot adequately seal the known switch against the entry of contaminants, which is why the bent upper section of the circumferential wall in the case of the DE 195 17 310 A1 known switch must be sealed against the top of the cover part with silicone, which often causes problems.
  • the DE 10 2013 102 006 B4 solves this problem in that a cover film is provided which only rests on the upper side of the PTC cover and into which the bent upper section of the peripheral wall of the lower part, which is lying flat on the cover film, penetrates.
  • the face of the upper section of the peripheral wall faces away from the cover film.
  • the flat upper section of the peripheral wall of the lower part often does not provide the desired seal.
  • a cover film and an insulating film can also be provided on a switch, such as, for example, the DE 10 2013 102 089 B4 shows.
  • a switch such as, for example, the DE 10 2013 102 089 B4 shows.
  • an insulating cover film for example made of Nomex®, which extends with its edge radially outwards to the insulating film, which consists for example of Kapton®.
  • Nomex® and Kapton® consist of aramid paper and aromatic polyimides.
  • the present invention is based on the object of eliminating or at least reducing the above-mentioned problems in the known switch in a structurally simple and inexpensive manner.
  • the sealing means has a circumferential cutting burr, which is preferably circumferentially closed and is formed in one piece with the shoulder in the lower part, and in that the cover part consists of electrically insulating material and with its underside rests directly on the shoulder, with the cutting ridge protruding from the underside into the cover part.
  • This preferably completely self-contained cutting burr penetrates into the cover part when the new switch is installed, and thus ensures a secure seal between the shoulder rotating inside the lower part and the cover part.
  • the cutting burr can be bead-shaped, but is preferably triangular in cross-section, its shape being matched to the material so that it penetrates when the new switch is installed.
  • the cutting burr is also produced in the manufacture of the lower part, it is formed in one piece with the shoulder.
  • the cutting burr can be created when deep drawing, punching or turning the lower part.
  • a seal is produced by the cutting burr acting between the shoulder and the cover part, which does not act on the insulating film or sealing film by pressure of the bent wall, but rather by penetration of the cutting burr into the cover part lying above it, so that the cutting burr creates a mechanical barrier represents.
  • the sealing effect is therefore achieved by means of a construction element that represents a mechanical obstacle to the ingress of contamination, that is to say it reliably holds back both particles and fluids.
  • the sealing effect is not primarily brought about between an insulating film and the cover part but rather between the cover part and the cutting burr arranged on the lower part.
  • the inventor of the present application has recognized that the problems with the tightness of the known switches are due to the fact that the insulating film curls or folds when it is bent over onto the top of the cover part. This leads to the fact that creeping paths for liquids not only arise - as previously assumed - between the insulating film and the cover part, but primarily between the insulating film and the circumferential wall of the lower part, so that when the known switch is soaked with protective lacquers, these on both sides of the insulating film penetrate into the interior of the switch can crawl in.
  • the bent wall of the lower part also does not seal the top so well against other electrical insulation materials that it is ensured in any case that no liquid can get into the interior of the switch when resinified.
  • the cover part consists of electrically insulating material
  • an insulating film between the lower part and the cover part is not required per se, but it can nevertheless be provided in order to ensure a secure seal of the Switch.
  • the insulating film then only has to be provided between the underside of the cover part and the shoulder of the lower part and does not have to extend to the top of the cover part. So it can be designed like an insulating ring, which rests on the shoulder in the lower part.
  • the cover part is made of electrically insulating material, the insulating film can also be dispensed with entirely.
  • the lid part then lies with its underside directly on the shoulder, the cutting ridge projecting into the lid part from the underside.
  • the cutting burr has a cutting edge which penetrates into the material of the cover part.
  • circumferential cutting burr is arranged on the underside of the cover part.
  • the advantage here is that a further mechanical barrier is created between the insulating film and the cover part.
  • the cutting burr and the further cutting burr preferably protrude above the shoulder or the underside with a height that is between 10 ⁇ m and 50 ⁇ m, preferably 20 to 30 ⁇ m.
  • the cutting ridges At their base, the cutting ridges have a width that is between 70% and 120% of the height.
  • the switch comprises a cover film which rests on the upper side of the cover part, the cover film preferably extending to below the edge region of the insulating film.
  • cover film is used alone, it is used in switches where the cover part is usually not made of metal, but consists of electrically insulating plastic or PTC material.
  • the cover film then serves on the one hand for mechanical protection of the cover part, and on the other hand also for the sealing between the bent wall and the top of the cover part. This seal complements the seal caused by the cutting burr according to the invention between the shoulder in the lower part and the cover part or the insulating film.
  • the insulating film if present, consists of polyimide, preferably of aromatic polyimides, and the cover film of aramid paper.
  • Insulating films made of these materials are characterized by the fact that they are “pullable”, that is to say they expand somewhat when the cover part is inserted into the lower part, and that they can nevertheless be folded over well around the end face of the cover part on the upper side thereof, furthermore the required Dielectric strength is achieved.
  • the second outer contact surface is arranged on the upper side of the cover part, the switching mechanism carrying a current transmission element which interacts with two stationary counter-contacts which are arranged on the underside of the cover part, and one of which contacts one of the two the top arranged outer contact surfaces cooperates.
  • the new switch can also be designed for switching and carrying very high currents, for which the two stationary counter-contacts interact with a current transfer element in the form of a contact bridge or a contact plate, so that the operating current of the device to be protected is not by the spring - Snap disk or even the bimetal snap disk but only flows through the current transmission element.
  • the switching mechanism has a bimetal part.
  • the bimetallic part can be a round, preferably circular, bimetallic snap disk, it also being possible to use an elongated bimetallic spring clamped on one side as the bimetallic part. With simple switches, this bimetal can also be used to conduct current.
  • the switching mechanism additionally has a spring snap disk.
  • This spring snap disk can, for example, carry the movable contact part and conduct the current through the closed switch and, in the closed state, provide the contact pressure. In this way, the bimetallic part is relieved of both the current and the mechanical load when closed.
  • the switching mechanism has a current transmission element which interacts with two stationary counter contacts, either only one bimetal part can also be provided, which then ensures the closing pressure and takes over the opening function, or it In addition, a spring part can be provided, which applies the closing force, so that the bimetal part is only mechanically loaded when it opens the switch.
  • the present invention is particularly suitable for at least approximately round temperature-dependent switches, which are round, circular or oval in plan view of the lower part or cover part, although other housing shapes can use the invention if a self-contained cutting burr on the shoulder in the Lower part is realizable, on which the cover part rests.
  • Fig. 1 is shown schematically, not to scale and in lateral section, a circular temperature-dependent switch 10 in plan view.
  • the switch 10 has a temperature-dependent switching mechanism 11, which is arranged in a housing 12, in which an insulating film 13 is arranged, which extends between a pot-like, electrically conductive lower part 14 and an electrically conductive cover part 15, which closes the lower part 14.
  • a circumferential lower shoulder 16 and a circumferential upper shoulder 17 are provided, on which the cover part 15 rests with the intermediate storage of the insulating film 13, the edge region 18 of which extends to the top 21 of the cover part 15.
  • the lower part 14 has a peripheral wall 19, the upper portion 20 of which overlaps the cover part 15.
  • the upper section 20 is bent radially inward such that it presses the cover part 15 onto the circumferential shoulder 17 via the intermediate insulating film 13 when it is opposite the one in FIG Fig. 1 schematically shown situation is further bent to the top 21.
  • the lower part 14 and the cover part 15 are made of electrically conductive material, which is why the insulating film 13 extending around the cover part 15 is provided, which runs inside the housing 12 parallel to the cover part 15, laterally between the wall 19 and the cover part 15 is guided upwards and with its edge region 18 points upwards.
  • the upper section 20 of the wall 19 lies flat on the edge region 18 of the insulating film 13 and presses it in the direction of the upper side 21 of the cover part 14.
  • a further insulating cover 22 is provided on the upper side 21 of the cover part 15, which extends radially outwards to the edge region 18 of the insulating film 13.
  • a stationary counter contact 24 Arranged on an underside 23 of the cover part 15 is a stationary counter contact 24 with which a movable contact part 25 carried by the switching mechanism 11 cooperates.
  • the switching mechanism 11 comprises a spring snap disk 26 which is supported with its edge 27 on the lower shoulder 16 and produces an electrically conductive connection there.
  • a bimetallic snap disk 28 is provided below the spring snap disk 26, that is to say on its side facing away from the stationary counter contact 24, which has two geometric temperature positions, which are shown in FIG Fig. 1 shown low temperature position and a high temperature position, not shown.
  • the edge 29 of the bimetallic snap disk 28 lies freely above a wedge-shaped, circumferential shoulder 31 which is formed on an inner bottom 32 of the lower part 14.
  • the lower part 14 has an outer base 33 with which thermal contact is made with a device to be protected.
  • the bimetal snap disk 28 is supported on a circumferential shoulder 34 of the contact part 25 with its center 35.
  • the spring snap disk 26 is permanently connected to an inner region 36 in the center of the movable contact part 25, for which purpose a ring 37 is pressed onto the pin 30, which projects through the two snap disks 26 and 28, on which the shoulder is also pressed 34 is formed.
  • the top 21 serves as the first outer contact surface 38, which is indicated by a striped surface.
  • the outer bottom 33 of the lower part 14 can be at the switch 10 serve as the second outer contact surface, it being provided in the switch 10 to use the upper section 20 of the wall 19 as the second outer contact surface 39.
  • the bimetallic snap disk 28 presses with its center 35 onto the shoulder 34 and thus lifts the movable contact part 25 from the stationary counter contact 24.
  • the spring snap disk 26 can be a bistable spring washer, which is geometrically stable even in the open position of the switch, so that the movable contact part 25 does not come into contact with the stationary counter contact 24 even if the edge 29 of the bimetal snap disk 28 no longer presses against the edge 27 of the spring snap disk 26.
  • the edge 29 of the bimetallic snap disk 26 moves downward and comes into contact with the wedge-shaped shoulder 31. With its center 35, the bimetal snap disk 26 then presses against it from below the spring snap disc 26 and pushes it back into its other geometrically stable position, in which it according to Fig. 1 the movable contact part 25 presses against the stationary counter contact 24.
  • the switching mechanism 11 has, in addition to the bimetallic snap disk 28, the current-carrying spring snap disk 26, wherein only the bimetallic snap disk 28 can be provided in the switching mechanism 11, which then rest with its edge 29 on the shoulder 16 and would carry the current.
  • Fig. 2 is the detail II of the switch 10 from Fig. 1 shown enlarged.
  • FIG. 2 the area of the switch 10 is off Fig. 1 shown enlarged where the cover part 15 rests on the shoulder 17 with the interposition of the insulating film 13.
  • a cutting burr 41 is provided radially on the inside on the shoulder 17, which protrudes vertically in the direction of the cover part 15 over the shoulder 17 and has penetrated approximately one third into the insulating film 13.
  • a further cutting ridge 42 is provided radially on the outside, which extends perpendicularly over the underside 23 in the direction of the lower part 14 and likewise projects into the insulating film 13 by about a third.
  • the two cutting ridges 41 and 42 are provided with an upper cutting edge 43 and have an approximately triangular shape in cross section.
  • the two cutting ridges 41 and 42 are self-contained and run radially, so that they each form an annular cutting ridge 41 and 42, each of which has an upward-facing annular cutting edge 43.
  • the cutting ridge 42 has a height, indicated at 51, above the underside 43, which relates to approximately 30 ⁇ m.
  • the cutting ridge 41 has a height 52 which projects beyond the shoulder 17 and which likewise relates to approximately 30 ⁇ m.
  • the insulating film 13 has a thickness indicated at 53, which relates to approximately 100 ⁇ m.
  • the cutting ridges 41 and 42 have a width indicated at 54 and 55, which corresponds approximately to the height 52 and 51, respectively.
  • the two cutting ridges 41 and 42 each form a mechanical barrier against the possible penetration of contaminants, in particular fluids, which could penetrate into the interior of the switch between the insulating film 13 and the cover part 15 or the lower part 14.
  • the two cutting ridges 41 and 42 are circumferentially self-contained, they form a complete mechanical barrier that cannot be overcome by contaminants, in particular fluids.
  • FIG. 2 While in Fig. 2 Both the cover part 15 and the lower part 14 are made of electrically conductive material and must therefore be electrically insulated from one another by the insulating film 13 is shown in FIG Fig. 3
  • the upper region of a switch 10 ' is shown in sections and in principle as well as in section, in which the lower part 14 again consists of metal, but now a cover part 44 made of plastic is provided.
  • the lid part 44 lies with its underside 23 directly on the shoulder 17 in the lower part 14, the shoulder 17 again being out Fig. 2 known cutting burr 41 is provided, which has cut into the material of the cover part 14 with its upper cutting edge 43.
  • the cover part 44 is held on the shoulder 17 by the bent upper section 20 of the peripheral wall.
  • the cutting burr 41 penetrates the material of the cover part 44 and forms a mechanical barrier against the penetration of fluids between the cover part 44 and the lower part 14.
  • the cutting ridge 41 is self-contained.
  • the cutting burr 41 in Fig. 3 rests radially on the inside on the shoulder 17, it can also be arranged here centrally or radially on the outside.
  • the shape of the cutting ridges 41 and 42 is adapted to the material into which they are to penetrate.
  • the two outer contact surfaces 45 and 46 are each connected to stationary counter contacts 47 and 48, which are arranged on the underside 23 of the cover part 44 and cooperate with a current transmission member 49 which is pressed against the stationary counter contacts 47, 48 by a spring snap disk 26 .
  • the operating current therefore does not flow through the spring snap disk 26, but through the current transmission element 49.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Thermally Actuated Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
EP18184744.3A 2015-08-27 2016-07-29 Temperaturabhängiger schalter mit schneidgrat Active EP3410457B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015114248.1A DE102015114248B4 (de) 2015-08-27 2015-08-27 Temperaturabhängiger Schalter mit Schneidgrat
EP16181935.4A EP3136416B1 (de) 2015-08-27 2016-07-29 Temperaturabhängiger schalter mit schneidgrat

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP16181935.4A Division-Into EP3136416B1 (de) 2015-08-27 2016-07-29 Temperaturabhängiger schalter mit schneidgrat
EP16181935.4A Division EP3136416B1 (de) 2015-08-27 2016-07-29 Temperaturabhängiger schalter mit schneidgrat

Publications (2)

Publication Number Publication Date
EP3410457A1 EP3410457A1 (de) 2018-12-05
EP3410457B1 true EP3410457B1 (de) 2020-04-29

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EP16181935.4A Active EP3136416B1 (de) 2015-08-27 2016-07-29 Temperaturabhängiger schalter mit schneidgrat
EP18184744.3A Active EP3410457B1 (de) 2015-08-27 2016-07-29 Temperaturabhängiger schalter mit schneidgrat

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EP16181935.4A Active EP3136416B1 (de) 2015-08-27 2016-07-29 Temperaturabhängiger schalter mit schneidgrat

Country Status (6)

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US (2) US10541096B2 (zh)
EP (2) EP3136416B1 (zh)
CN (2) CN106486320B (zh)
DE (1) DE102015114248B4 (zh)
DK (2) DK3136416T3 (zh)
ES (2) ES2705620T3 (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN109801811A (zh) * 2019-03-19 2019-05-24 广州安的电子技术有限公司 温度开关
DE102019112581B4 (de) * 2019-05-14 2020-12-17 Marcel P. HOFSAESS Temperaturabhängiger Schalter
DE102019125450B4 (de) * 2019-09-20 2021-04-08 Marcel P. HOFSAESS Temperaturabhängiger Schalter
DE102019132433B4 (de) 2019-11-29 2021-08-12 Marcel P. HOFSAESS Temperaturabhängiger Schalter und Verfahren zu dessen Herstellung

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CN109360770B (zh) 2020-03-10
EP3136416B1 (de) 2018-10-17
US10755880B2 (en) 2020-08-25
DK3410457T3 (da) 2020-07-13
DK3136416T3 (en) 2019-01-14
US20170062160A1 (en) 2017-03-02
CN106486320B (zh) 2019-03-26
DE102015114248B4 (de) 2019-01-17
EP3136416A1 (de) 2017-03-01
US10541096B2 (en) 2020-01-21
US20190051477A1 (en) 2019-02-14
CN109360770A (zh) 2019-02-19
DE102015114248A1 (de) 2017-03-02
EP3410457A1 (de) 2018-12-05
CN106486320A (zh) 2017-03-08
ES2705620T3 (es) 2019-03-26
ES2800450T3 (es) 2020-12-30

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