EP2650898B1 - Procédé de fabrication d'un commutateur électrique thermosensible doté d'un boîtier formant une unité mobile avec un guidage de tige et un commutateur électrique thermosensible - Google Patents

Procédé de fabrication d'un commutateur électrique thermosensible doté d'un boîtier formant une unité mobile avec un guidage de tige et un commutateur électrique thermosensible Download PDF

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Publication number
EP2650898B1
EP2650898B1 EP13163136.8A EP13163136A EP2650898B1 EP 2650898 B1 EP2650898 B1 EP 2650898B1 EP 13163136 A EP13163136 A EP 13163136A EP 2650898 B1 EP2650898 B1 EP 2650898B1
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EP
European Patent Office
Prior art keywords
housing
plastic part
pin
spring element
mounting
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.)
Not-in-force
Application number
EP13163136.8A
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German (de)
English (en)
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EP2650898A1 (fr
Inventor
Herbert Wurmb
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.)
Elektronik Werkstatte Ing Wurmb Gesmbh
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Elektronik Werkstatte Ing Wurmb Gesmbh
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Publication of EP2650898A1 publication Critical patent/EP2650898A1/fr
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Publication of EP2650898B1 publication Critical patent/EP2650898B1/fr
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    • 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
    • H01H37/32—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
    • H01H2037/549—Details of movement transmission between bimetallic snap element and contact

Definitions

  • the present invention relates to a method for producing a temperature-sensitive electrical switch, comprising a snap element, preferably a snap disc made of bimetallic strip and a spring element as a movable contact portion, a fixed contact portion against which the movable contact portion for closing the contact is movable, a pressure pin as an operative connection between Snap element and spring element, a pin guide in which the pressure pin along a pin guide axis is feasible, a housing having a clear inner diameter, and a hood.
  • a snap element preferably a snap disc made of bimetallic strip and a spring element as a movable contact portion, a fixed contact portion against which the movable contact portion for closing the contact is movable, a pressure pin as an operative connection between Snap element and spring element, a pin guide in which the pressure pin along a pin guide axis is feasible, a housing having a clear inner diameter, and a hood.
  • the present invention relates to a temperature-sensitive electrical switch, comprising a snap element, preferably a snap disc, bimetallic strip and a spring element as a movable contact portion, a fixed contact portion against which the movable contact portion for closing the contact is movable, a pressure pin as an operative connection between the snap element and spring element, a pin guide, in which the pressure pin can be guided along a pin guide axis, a housing having a clear inner diameter, and a hood.
  • a temperature-sensitive electrical switch comprising a snap element, preferably a snap disc, bimetallic strip and a spring element as a movable contact portion, a fixed contact portion against which the movable contact portion for closing the contact is movable, a pressure pin as an operative connection between the snap element and spring element, a pin guide, in which the pressure pin can be guided along a pin guide axis, a housing having a clear inner diameter, and a hood.
  • a temperature-sensitive switch according to the preamble of claim 6 is for example from the document EP 0 187 232 A2 known.
  • Temperature-sensitive electrical switches are used for the temperature-dependent switching or closing and / or interruption of an electrical circuit, for example as a disconnection device in a kettle, as overload protection or in regulators for boilers. Therefore, the term thermostat is common for these switches.
  • thermostats includes a snap-action element made of bimetallic strip, which is usually designed as a snap-action disc as a temperature-sensitive element.
  • the snap disc may be circular or have other shapes, e.g. square, rectangular etc.
  • the snap disc has a curvature, for example in the form of a flat spherical cap, which changes abruptly at a lower and an upper snap temperature.
  • a spring element is moved, which contacts a fixed contact element in a buckling state of the snap disk and has no contact with the fixed contact element in the other curvature state.
  • a pressure pin guided in a pin guide is used, which is preferably designed to be electrically insulating.
  • the pressure pin does not simultaneously touch the snap disk and the spring element in a buckling state of the snap disk.
  • the push-pin contacts the snap-action disc and the spring element at the same time.
  • Thermostats known from the prior art have the following structure, wherein the spring element basically contacts the fixed contact element.
  • a contact rivet is attached to the spring element.
  • the spring element is subsequently riveted by means of a connecting rivet with a connector or terminal and a housing of the thermostat, wherein the housing is usually made of plastic.
  • Another contact rivet is mounted on the fixed contact element.
  • another terminal is also riveted to the fixed contact element in the housing with a connecting rivet.
  • the pin guide is placed and determines the distance between the pressure point of the spring element and the support of the snap-action disc. Now a pressure pin with appropriate length is installed.
  • the disc is used and a hood to the housing, preferably by crimping, connected.
  • a serious disadvantage of the structure described is the need to store pressure pins in various lengths.
  • pressure pins in different lengths must be available, the difference of two successive lengths is typically 0.02 mm.
  • this is associated with very high production costs due to the required accuracy, on the other hand, the storage of a myriad of pressure pens is required, which is also associated with high costs and costs.
  • the aim of the present invention is to provide a thermostat or a method for its production, wherein the above-mentioned disadvantages are avoided.
  • a vote of the thermostat with only a predetermined pressure pin length to be enabled i. without the need for pressure pins of different lengths.
  • a temperature-sensitive electrical switch comprising a snap element, preferably a snap disc of bimetallic strip and a spring element as a movable contact portion, a fixed contact portion against which the movable contact portion for closing the contact is movable, a pressure pin as an operative connection between the snap element and spring element, a pin guide, in which the pressure pin along a pin guide axis can be guided, a housing having a clear inner diameter, and a hood to make possible independent of the exact length of the pressure pin, it is inventively provided to perform the housing and the pin guide as a jointly movable unit to move this unit via a plastic part of a switching bridge unit along a mounting axis and to connect in a mounting position with the plastic part, the mounting position on the length of the use eten pressure pin depends.
  • Switching bridge unit of the plastic part and a switching bridge, which in turn consists of a first and a second part.
  • the first part has a first terminal portion and the fixed contact portion
  • the second part has a second terminal portion and a terminal portion.
  • the spring element is attached with one end.
  • First and second part are embedded in the plastic part and fixed in position to each other by this. This embodiment of the switching bridge or the switching bridge unit contributes to the reduction of the individual parts of the switch.
  • the determination of the mounting position is done in such a way that the pressure pin is inserted into the pin guide as soon as the housing is with the pin guide in a sufficiently small distance from the spring element. Then, the pressure pin located in the pin guide is supported with one end on the spring element or touches the spring element without this to move or to bend.
  • the housing is now moved parallel to the mounting axis until the pressure pin with a free end or with a free end portion projects beyond the pin guide, wherein the length of the end portion is measured. If this length does not correspond to a predetermined value, the housing is iteratively shifted again parallel to the mounting axis and the length of the free end section is determined until it corresponds to a predetermined value.
  • the latter defines the mounting position in which the housing is firmly connected to the plastic. This ensures that the distance between the free end of the pressure pin and the snap disc corresponds to a predetermined desired value and the electrical switch is tuned correctly.
  • a temperature-sensitive electrical switch comprising a snap element, preferably a snap disc of bimetallic strip and a spring element as a movable contact portion, a fixed contact portion against which the movable contact portion for closing the contact is movable, a pressure pin as an operative connection between the snap element and spring element, a pin guide, in which the pressure pin along a pin guide axis is feasible, a housing having a clear inner diameter, and a hood, according to the invention provided that the housing with the pin guide unit, and that the housing is a plastic part of a switching bridge unit partially in one Direction parallel to a mounting axis fully surrounds and is connected to the plastic part, wherein the switching bridge unit consists of a switching bridge and the plastic part and the switching bridge of a first and a z wide part, wherein the first part forms a first terminal portion and the fixed contact portion and the second part a second terminal portion and a connection portion to which the spring element is attached, and further wherein the first and the second
  • a particularly stable unit between the housing and pin guide results in a one-piece design. Accordingly, it is provided in a preferred embodiment of the switch according to the invention that the housing is designed in one piece with the pin guide.
  • mounting pins are each supported with a first end on the plastic part.
  • the housing has corresponding recesses for the Mounting pins on and is pushed with the recesses on the second, free ends of the mounting pins. That is, the mounting pins act as a guide of the housing in its positioning over the plastic part. Accordingly, it is provided according to the inventive method that at least one mounting pin is positioned with a first end on the plastic part, and that the housing having at least one recess for the at least one mounting pin, with the at least one recess via a second end of the at least one Assembly pin is pushed in the direction of the plastic part. Analog is also provided in the switch according to the invention, that the housing has at least one recess for at least one mounting pin, wherein the at least one recess has a recess axis which extends parallel to the mounting axis.
  • two mounting pins are sufficient, which are preferably arranged symmetrically about the mounting axis. Accordingly, it is provided in a particularly preferred embodiment of the method according to the invention that exactly two mounting pins are used.
  • a particularly stable connection between the housing and the plastic part can be realized by ultrasonic spot welding. Accordingly, it is provided in a particularly preferred embodiment of the method according to the invention that the fixing of the housing takes place on the plastic part in the mounting position by ultrasonic spot welding.
  • spot welding takes place in designated spot welding areas on the housing and the plastic part.
  • the housing has at least one spot welding region in which it is spot-welded to the plastic part.
  • the wall thickness of the housing in the spot welding area in particular the wall thickness of the housing averaged over the spot welding area, is reduced compared with the rest of the housing. It is therefore provided in a particularly preferred embodiment of the switch according to the invention that the housing in the spot welding region has an average wall thickness, wherein the average wall thickness in the spot welding region is less than the wall thickness in at least one point of the remaining housing.
  • the plastic part forms support elements on which the housing is supported with an inner side. Accordingly, it is provided in a particularly preferred embodiment of the switch according to the invention that the plastic part has at least one support element which extends in an extension direction parallel to the mounting axis, and on which the housing rests with a housing inner side.
  • the support member may also be used to fix the housing to the plastic part.
  • each support element forms a fixing section, in which the spot welding takes place with the housing.
  • the inside of the housing in the area of the spot weld area lies as flat as possible on the fixing section of the support element.
  • the at least one support element forms at least one fixing section
  • the housing is connected to the plastic part by spot welding simultaneously in the at least one spot welding region of the housing and in the at least one fixing section of the at least one support element ,
  • the support elements can also be used to support the mounting pins. Accordingly, the support elements form stop surfaces, which are preferably normal to the mounting axis and / or the recess axis and / or the mounting pin longitudinal axis. It is therefore provided in a particularly preferred embodiment of the switch according to the invention that the at least one support element has a stop surface for the at least one mounting pin. Likewise, it is provided in a particularly preferred embodiment of the switch according to the invention, that the stop surface is made flat and is normal to the Ausbloodungsachse, whereby a particularly secure support of the mounting pins is achieved.
  • axonometric view of a temperature-sensitive electrical switch 1 according to the invention is shown, which is also referred to as a thermostat.
  • This has a preferably made of plastic housing 4 with a main portion 34 which is closed on one side by means of a hood 7.
  • the hood 7 is preferably made of a metal, for example aluminum, and connected by crimping with the housing 4.
  • a first 8 and a second terminal portion 9 can be seen, which serve for electrical connection from the outside.
  • Fig. 2 shows a plan view of the switch 1 of Fig. 1 with indicated section line AA and arrows indicating the respective viewing directions.
  • Fig. 3 shows a sectional view along the section line AA in Fig. 2 ,
  • a curved snap disc 2 which is made of a bimetallic strip and has a circular outline, can be seen in a first curvature state.
  • the snap-action disc 2 rests on an inner shoulder 25 of the housing 4.
  • a pressure pin 5 touches the snap disc 2 in this position or in this curvature state 2 - with a desired distance - not or only so that it exerts no pressure on a spring element 6.
  • the spring element 6 contacts a fixed contact section 10 in a contact position 18 (cf. Fig. 5 ). More precisely, there is a surface contact of a contact profile 11, which at a free end 15 of the Spring element 6 is fixed (see. Fig. 4 ), with a contact profile 12 which is fixed to the fixed contact portion 10 before.
  • the spring element 6 is bent in a U-shape and fastened with its other end 16 to a connection section 41.
  • the connection section 41 is located on a second part 39 of a switching bridge 37 (cf. Fig. 4 ), as well as the second terminal portion 9. That is, the spring element 6 is electrically connected to the second terminal portion 9.
  • the fixed contact portion 10 in turn is located on a first part 38 of the switching bridge 37 (see. Fig. 4 ), as well as the first terminal section 8. That is, the fixed contact portion 10 is electrically connected to the first terminal portion 8. In the contact position 18 thus the two terminal sections 8, 9 are electrically conductively connected to each other.
  • the first 38 and second part 39 of the switching bridge 37 are embedded in a plastic part 13.
  • the first 38 and the second part 39 are electrically insulated from each other by the plastic part 13.
  • the plastic part 13 positions the first 38 and second part 39 to each other and fixes their position.
  • the housing 4 is fixed to the plastic part 13, which surrounds the plastic part 13 at least partially full circumference with its main portion 34.
  • the first part 38, the second part 39 and the plastic part 13 form a switching bridge unit 40.
  • two support elements 21 are formed by the plastic part 13, which extend along an extension direction 26 (cf. Fig. 5 ), wherein the extension direction 26 extends parallel to the mounting axis 36.
  • the support members 21 are used in the assembled state of the switch 1 for mechanical stabilization by the housing 4 is supported with an inner side 17 on the support elements, see Fig. 3 ,
  • each support member 21 forms a stop surface 22 which is normal to a mounting axis 36, see. Fig. 5 .
  • a mounting pin 19 is positioned with a first end 29 on each stop surface 22.
  • the respective longitudinal axis 28 of the mounting pin 19 extends parallel to the mounting axis 36.
  • the mounting pins 19 are each slightly tapered in the region of its first end 29, so that the first end 29 in a plane normal to the mounting axis 36 does not project beyond the respective stop surface 22.
  • the housing 4 has correspondingly two recesses 20 with Aus strictlyungsachsen 27 for the mounting pins 19 in order to push the housing 4 via free, second ends 30 of the mounting pins 19 along the mounting axis 36 in the direction of plastic part 13.
  • the recess axes 27 coincide substantially with the mounting pin longitudinal axes 28 and are at least substantially parallel to these, as in Fig. 6 is apparent.
  • the housing 4 is formed integrally with the pin guide 14, and the pin guide 14 in the direction of plastic part 13 and the switching bridge unit 40, i. against the extension direction 26, pushed.
  • the pressure pin 5 is inserted into the pin guide, so that the pressure pin 5 located in the pin guide 14 touches the spring element 6 with one end or is supported on this, without the spring element. 6 is moved from the contact position 18.
  • the pin guide 14 has an opening 31 which faces away from the spring element 6. If the housing 4 is pushed sufficiently close to the plastic part 13 or to the spring element 6 in the direction of extent 26, the pressure pin 5 projects beyond the opening 31 in the extension direction 26 with a free end section 32. The length of the projecting or protruding free end section 32 is now measured and compared with a setpoint. The setpoint is directly related to the desired distance to the snap disc 2 and thus affects the vote of the switch. If the measured length of the free end section 32 does not correspond to the nominal value, the housing is displaced parallel to the mounting axis - if the length of the free end section 32 is too small in the direction of extent 26, if the length of the free end section 32 is too long in the direction of extent 26. Now the length becomes the free end portion 32 again measured and compared with the setpoint, and if necessary, the housing is again moved parallel to the mounting axis 36. These steps will be repeatedly until the length of the free end portion 32 coincides with the target value.
  • the latter is done by spot welding.
  • a fixing section 23 is provided on each of the support elements 21, which contacts the inside of the housing 17 as far as possible in each case in a spot welding area 24 of the housing 4.
  • the housing 4 has a wall thickness 35 in its main portion 34, which comprises the spot welding regions 24.
  • the wall thickness 35 is in Fig. 11 particularly well recognizable, where an enlarged view of the area B of the Fig. 10 which is shown Fig. 10 again a sectional view along a section line CC and viewing direction arrows in the side view of the switch 1 of Fig. 9 shows.
  • Fig. 11 particularly well recognizable, where an enlarged view of the area B of the Fig. 10 which is shown Fig. 10 again a sectional view along a section line CC and viewing direction arrows in the side view of the switch 1 of Fig. 9 shows.
  • the wall thickness 35 which is reduced relative to the remaining main section 34 in order to favor spot welding.
  • the wall thickness 35 can be averaged over the spot welding area 24, wherein the wall thickness 35 in at least one point of the remaining main section 34 is greater than the resulting mean wall thickness in the spot welding area 34.
  • the reduced in the spot welding region 24 wall thickness 35 causes an elastic behavior of the housing 4 in the spot welding region 24, which has a flat abutment of the housing 4 in the spot welding region 24 on the fixing portion 23 of the support member 21 result.
  • This allows a deliberate overlap of the nominal dimensions of the housing 4 in the spot welding region 24 and of the support element 21 in the fixing section 23, without impairing the flat contact.
  • the area concerns the Housing 4 in the spot welding area 24 on the fixing portion 23 of the support member 21 are guaranteed.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacture Of Switches (AREA)
  • Thermally Actuated Switches (AREA)
  • Push-Button Switches (AREA)

Claims (12)

  1. Procédé pour fabriquer un commutateur électrique thermosensible (1), comprenant un élément à déclic, de préférence un disque à déclic (2), fait de bimétal thermique, ainsi qu'un élément à ressort (6) formant la partie de contact mobile, une partie de contact fixe (10) vers laquelle la partie de contact mobile peut être déplacée pour fermer le contact, une goupille d'appui (5) créant la liaison active entre l'élément à déclic et l'élément à ressort (6), un guide de goupille (14) dans lequel la goupille d'appui (5) peut être guidée le long d'un axe de guidage de la goupille (3), un boîtier (4) qui présente un diamètre intérieur libre et un capuchon (7), lequel procédé comprend les étapes suivantes :
    - translation du boîtier (4), qui forme avec le guide de goupille (14) une unité mobile, au moins partiellement par-dessus une pièce en plastique (13) d'une unité de pont de commutation (40) le long d'un axe de montage (36), l'unité de pont de commutation (40) se composant d'un pont de commutation (37) et de la pièce en plastique (13) et le pont de commutation (37) se composant d'une première partie (38) et d'une deuxième (39), la première partie (38) formant en outre une première section de borne (8) et la partie de contact fixe (10) et la deuxième partie (39) formant une deuxième section de borne (9) et une section de raccordement (41) à laquelle l'élément à ressort (6) est fixé, et la première partie (38) et la deuxième (39) étant incluses dans la pièce en plastique (13) et reliées entre elles et fixées en position par la pièce en plastique (13) ;
    - insertion de la goupille d'appui (5) dans le guide de goupille (14) et translation de la goupille d'appui (5) en direction de l'élément à ressort (6) jusqu'à ce que la goupille d'appui repose par une extrémité sur l'élément à ressort (6) ;
    - translation du boîtier (4) dans une direction parallèle à l'axe de montage (36) et mesure de la longueur d'une partie d'extrémité libre (32) de la goupille d'appui (5) par laquelle la goupille d'appui (5) dépasse d'une ouverture (31) du guide de goupille (14) tournée à l'opposé de l'élément à ressort (6) dans une direction opposée à l'élément à ressort (6) ;
    - fixation du boîtier (4) dans une position de fixation (33) sur la pièce en plastique (13), la longueur de la partie d'extrémité libre (32) dans la position de fixation (33) correspondant à une valeur prédéterminée ;
    au moins une goupille de montage (19) étant positionnée avec une première extrémité (29) sur la pièce en plastique (13) et le boîtier (4), qui présente au moins un évidement (20) pour l'au moins une goupille de montage (19), étant poussé avec l'au moins un évidement (20) par-dessus une deuxième extrémité (30) de l'au moins une goupille de montage (19) en direction de la pièce en plastique (13).
  2. Procédé selon la revendication 1, caractérisé en ce que deux goupilles de montage (19) exactement sont utilisées.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la fixation du boîtier (4) sur la pièce en plastique (13) dans la position de fixation (33) est réalisée par soudage par points par ultrasons.
  4. Procédé selon la revendication 3, caractérisé en ce que le soudage par points est réalisé dans des zones de soudage par points (23, 24) prévues à cette fin sur le boîtier et la pièce en plastique (13).
  5. Commutateur électrique thermosensible (1), comprenant un élément à déclic, de préférence un disque à déclic (2), fait de bimétal thermique, ainsi qu'un élément à ressort (6) formant la partie de contact mobile, une partie de contact fixe (10) vers laquelle la partie de contact mobile peut être déplacée pour fermer le contact, une goupille d'appui (5) créant la liaison active entre l'élément à déclic et l'élément à ressort (6), un guide de goupille (14) dans lequel la goupille d'appui (5) peut être guidée le long d'un axe de guidage de la goupille (3), un boîtier (4) qui présente un diamètre intérieur libre, dans lequel le boîtier (4) forme une unité avec le guide de goupille (14) et entoure une pièce en plastique (13) d'une unité de pont de commutation (40) au moins partiellement dans une direction parallèle à un axe de montage (36) sur toute sa circonférence et est relié à la pièce en plastique (13), l'unité de pont de commutation (40) se composant d'un pont de commutation (37) et de la pièce en plastique (13) et le pont de commutation (37) se composant d'une première partie (38) et d'une deuxième (39), la première partie (38) formant en outre une première section de borne (8) et la partie de contact fixe (10) et la deuxième partie (39) formant une deuxième section de borne (9) et une section de raccordement (41) à laquelle l'élément à ressort (6) est fixé, et dans lequel la première partie (38) et la deuxième (39) sont en outre incluses dans la pièce en plastique (13) et reliées entre elles et fixées en position par la pièce en plastique (13), le commutateur présentant un capuchon (7), caractérisé en ce que le boîtier (4) présente au moins un évidement (20) pour au moins une goupille de montage (19), l'au moins un évidement (20) présentant un axe d'évidement (27) parallèle à l'axe de montage (36).
  6. Commutateur selon la revendication 5, caractérisé en ce que le boîtier (4) est réalisé d'un seul tenant avec la guide de goupille (14).
  7. Commutateur (1) selon l'une des revendications 5 à 6, caractérisé en ce que le boîtier (4) présente au moins une zone de soudage par points (24) dans laquelle il est soudé par points à la pièce en plastique (13).
  8. Commutateur (1) selon l'une des revendications 5 à 7, caractérisé en ce que le boîtier (4) présente dans la zone de soudage par points (24) une épaisseur de paroi moyenne, l'épaisseur de paroi moyenne dans la zone de soudage par points (24) étant plus petite que l'épaisseur de paroi (35) en au moins un point du reste du boîtier (4).
  9. Commutateur (1) selon l'une des revendications 5 à 8, caractérisé en ce que la pièce en plastique (13) présente au moins un élément d'appui (21) qui s'étend dans une direction d'étendue (26) parallèle à l'axe de montage et sur lequel le boîtier (4) repose par une face intérieure de boîtier (17).
  10. Commutateur (1) selon la revendication 9, caractérisé en ce que l'au moins un élément d'appui (21) forme au moins une section de fixation (23) et en ce que le boîtier (4) est assemblé avec la pièce en plastique (13) par soudage par points simultanément dans au moins une zone de soudage par points (24) du boîtier (4) et dans au moins une section de fixation (23) de l'au moins un élément d'appui (21).
  11. Commutateur (1) selon la revendication 9 ou 10, caractérisé en ce que l'au moins un élément d'appui (21) présente une surface de butée (22) pour l'au moins une goupille de montage (19).
  12. Commutateur (1) selon la revendication 11, caractérisé en ce que la surface de butée (22) est plane et perpendiculaire à l'axe de l'évidement (27).
EP13163136.8A 2012-04-10 2013-04-10 Procédé de fabrication d'un commutateur électrique thermosensible doté d'un boîtier formant une unité mobile avec un guidage de tige et un commutateur électrique thermosensible Not-in-force EP2650898B1 (fr)

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Application Number Priority Date Filing Date Title
AT1342012 2012-04-10

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EP2650898A1 EP2650898A1 (fr) 2013-10-16
EP2650898B1 true EP2650898B1 (fr) 2017-01-11

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EP13163136.8A Not-in-force EP2650898B1 (fr) 2012-04-10 2013-04-10 Procédé de fabrication d'un commutateur électrique thermosensible doté d'un boîtier formant une unité mobile avec un guidage de tige et un commutateur électrique thermosensible

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EP (1) EP2650898B1 (fr)
CN (1) CN103366991B (fr)

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CN105355484B (zh) * 2015-10-27 2017-07-25 海盐东灵电器有限公司 一种耐高温温控器的生产工艺
CN105845499B (zh) * 2016-04-22 2018-01-02 佛山市溢釜科技有限公司 一种断电复位温控器
CN105845500B (zh) * 2016-04-22 2017-11-28 佛山市溢釜科技有限公司 一种压缩型大电流温控器
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CN103366991B (zh) 2015-08-12
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