EP2880670B1 - Interrupteur thermique et procédé de réglage d'un interrupteur thermique - Google Patents

Interrupteur thermique et procédé de réglage d'un interrupteur thermique Download PDF

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Publication number
EP2880670B1
EP2880670B1 EP13750274.6A EP13750274A EP2880670B1 EP 2880670 B1 EP2880670 B1 EP 2880670B1 EP 13750274 A EP13750274 A EP 13750274A EP 2880670 B1 EP2880670 B1 EP 2880670B1
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EP
European Patent Office
Prior art keywords
switching
carrier
contact
spring
temperature switch
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
EP13750274.6A
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German (de)
English (en)
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EP2880670A1 (fr
Inventor
Werner Reiter
Peter Klaus SOUKUP
Josef Reithofer
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Individual
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Individual
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Publication of EP2880670A1 publication Critical patent/EP2880670A1/fr
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H61/00—Electrothermal relays
    • H01H61/01—Details
    • 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
    • H01H37/12—Means for adjustment of "on" or "off" operating temperature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/12—Means for adjustment of "on" or "off" operating temperature
    • H01H37/28—Means for adjustment of "on" or "off" operating temperature by adjustment of the position of the fixed contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/12—Means for adjustment of "on" or "off" operating temperature
    • H01H37/30—Means for adjustment of "on" or "off" operating temperature by varying the position of the contact unit in relation to switch base or casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H61/00—Electrothermal relays
    • H01H61/04—Electrothermal relays wherein the thermally-sensitive member is only heated directly

Definitions

  • the invention relates to a temperature switch according to the preamble of patent claim 1 and to a method for adjusting a temperature switch according to the preamble of patent claim 9.
  • Temperature switches are already well known from the prior art. They consist of a housing in which a switching system and a switching system operating this switching arrangement are arranged.
  • the switching system consists of a first and second carrier, wherein on the first carrier a position immutable fixed contact and on the second carrier is arranged a tongue-shaped protruding from the carrier switching spring with switching contact provided thereon.
  • the switching arrangement acts on the switching spring such that a change in position of the switching contact is effected as a function of the temperature.
  • the switching arrangement is usually formed by a bimetallic element, in particular a bimetallic disc, which is in operative connection via a switching element with the switching spring.
  • temperature switch there are two types of temperature switch, namely as so-called “opener” designated temperature switch, which at low temperatures, for example, room temperature, have a closed electrical contact, which is opened only after exceeding a defined temperature threshold of this electrical contact.
  • opener designated temperature switch
  • normally open contacts are known in which the electrical contact is opened at low temperatures and the electrical contact is closed only after exceeding a defined temperature threshold.
  • a switching hysteresis sets ie the switching from a first switching state to a second switching state takes place at a different temperature value than the switching back from the second to the first switching state.
  • a disadvantage of the previously known temperature switches is that they are insufficiently adjustable in terms of their switching behavior and switching hysteresis and a sufficiently accurate adjustment can only be realized for a temperature switch type for a given temperature switch design, either for a "normally closed” or a normally open ,
  • Such a temperature switch and method for adjusting a temperature switch is from the DE 100 16 141 C1 known.
  • the essential aspect of the temperature switch according to the invention is that the first carrier and the second carrier are formed bendable and that the housing is formed by at least a first, at least one housing opening having housing portion and a second, the housing opening occlusive housing portion, wherein the housing opening for insertion and positioning of adjusting means is formed on the carriers, that the housing opening is provided on the switching arrangement at least partially receiving end of the first housing portion and that the carrier extend laterally into an inner housing formed in the first housing portion.
  • the inventive design of the temperature switch can in each case position an adjusting on a carrier and thereby bend the carrier so that a desired switching behavior, in particular with respect to the desired switching point at which switching from a closed electrical contact into an open electrical contact or vice versa takes place or desired spring forces acting on the bimetallic element and thus act on the switching behavior can be achieved.
  • the switching arrangement is formed by a switching element and a shape-changing bimetallic element.
  • the switching element in this case caused by the change in shape of the bimetallic element portions change in position is transmitted to the switching spring or the switching contact and thus causes a contact closure or a contact opening.
  • the switching element is in operative connection with the bimetallic element and the switching spring such that at Deformation of the bimetallic a change in position of the switch contact takes place.
  • the bimetallic element can be arranged at a distance from the switching spring, for example at a point of the temperature switch at which an optimized heat transfer to the bimetallic element can take place.
  • the first housing portion is U-shaped or substantially U-shaped.
  • a housing region is created, in the interior of which the switching system can already be arranged or mounted and can then be adjusted or measured via an adjustment and measuring method.
  • at least one surface of the first housing section preferably serves as the input for the measurement, this measurement element serving as a contact surface or fixing surface for the switching arrangement or the second housing section receiving or holding the switching arrangement after the measurement.
  • the plane serving as a reference plane during the measuring and adjusting operation is used as a reference for the switching device in the assembled state of the temperature switch.
  • the first housing section has two opposite side sections, on each of which a projection is formed. Opposite these projections, the carrier extending laterally into the interior of the housing can at least partially come into abutment and be supported on it so that a controlled bending of the carrier during the adjustment is made possible.
  • the projections each have at least one projection surface extending at right angles to the vertical axis of the temperature switch and a bending edge formed thereon.
  • This projection surface serves as a contact surface for a portion of the respective carrier, wherein the carrier then around the bending edge can be bent or permanently deformed. This in turn is a controlled bending of the carrier under the action of a bending force on the opposite the projection projecting end of the carrier possible.
  • the first and second carrier is each formed by a strip-shaped flat material having a rectangular cross-section, each having a pair of opposing, spaced broad and narrow sides. Due to the right-angled cross-section, the supports designed in this way are suitable for torsion-proof passage through housing bushings and for controlled bending by means of a large-area contact with the projection surfaces of the side sections of the first housing section.
  • the first and second carrier are formed angled in a first bending region and lie with an adjoining the first bending region intermediate portion each with a broad side opposite to the projection surface of the projection.
  • the first and second carrier each have a second, adjacent to the intermediate region bending region in which the respective carrier is deformed in a direction different from the bending direction of the first bending region bending direction.
  • a bending of the carrier in the direction of the housing opening results, through which a measuring and adjusting arrangement for adjusting and measuring the temperature switch is introduced.
  • the carriers can, by acting on the adjusting means on the same in the direction of the orientation of the carrier in the intermediate region, ie in a horizontal or be deformed substantially horizontal course and thus an adjustment of the temperature switch without excessive, unwanted displacement of the contact contact points between the fixed contact and the switching contact can be achieved.
  • the distance between the two opposite free ends of the carrier is smaller than the width of the housing opening measured in a plane perpendicular to the bending edges.
  • the adjusting and measuring means can be brought to the free ends of the carrier on the housing opening to bend them or to position a measuring means on the running between the free ends of the carrier switching spring to their position at the switching point with respect to a reference plane or to measure their spring force with closed electrical contact or when opening the electrical contact.
  • the switching contact and / or the fixed contact on the contact surface is convexly curved.
  • the contact support points can be prevented when the support is bent, with the contact surface which establishes the electrical contact remaining essentially the same regardless of the bending of the supports.
  • the invention further relates to a method for adjusting a temperature switch comprising a housing, a switching system consisting of a first carrier with a fixed contact and a second carrier, on which a switching spring is arranged with a switching contact.
  • a first, acting on the first carrier adjusting means and a second, acting on the second carrier adjusting means is introduced via a housing opening, wherein in an adjustment step, at least one of the carrier is bent by the action of the adjusting means on this carrier and in a measuring step by means of a Measuring means, the position and / or the spring force of the switching spring is determined.
  • the adjustment process in the adjustment process according to the invention, first the position of the carrier within the housing is changed and then in the measuring step the change of the position of the switching spring or the spring force of the same in the open switching state or in the closed switching state are measured and thereby defines the switching point of the temperature switch defined become.
  • the spring force of the switching spring is preferably determined when the electrical contact is closed or open.
  • a recording of the actual values of the switching behavior or the spring forces of the switching spring is determined at the beginning of the adjustment process.
  • these serve as comparative values as to how the position of the switching spring in the switching point or the spring forces have approached desired setpoint values as a result of the adjustment of the carrier.
  • the bending of a carrier or both carriers takes place about a bending edge by lowering the respective adjusting means to a section of the carrier protruding beyond the bending edge.
  • a measuring step for measuring the position of the switching spring in the switching point and / or for measuring the spring force in the switching point and / or for measuring the spring force when the system Switching contact relative to the fixed contact.
  • the measured values obtained by means of the measuring step can be used to determine the change in the position of the switching spring or of the spring forces caused by the preceding adjustment step and to determine suitable parameters for the next adjustment process, in particular the degree of bending of one or both carriers.
  • an iterative adjustment takes place by alternating the sequence of an adjustment step and a measurement step. This allows a monitored and optimized adjustment of the temperature switch can be achieved with the least possible number of adjustment steps.
  • the bending of the at least one carrier in successive Justier suitsen different sizes i. the degree of bending in successive adjustment steps can be suitably selected depending on the difference of the measured parameters from the desired values of these parameters in order to achieve the smallest possible number of adjustment steps.
  • the degree of bending in successive adjustment steps can be suitably selected depending on the difference of the measured parameters from the desired values of these parameters in order to achieve the smallest possible number of adjustment steps.
  • the adjustment method can be optimized, depending on the distance of the actual values determined in the previous measuring step, from the setpoint values of the switching parameters in such a way that the setpoint parameters of the switching point and / or measuring steps are determined with the least possible number of adjustment steps or measuring steps.
  • the spring force can be achieved at the switching point or when the electrical contact is closed.
  • the adjustment of the temperature switch takes place on different lengths of switching elements.
  • an optimized switching behavior can be achieved with a smaller number of adjustment steps, specifically in that an optimized switching element length is determined depending on the parameter set determined in the first measuring step and the bending of the carrier subsequently takes place taking into account this determined switching element length.
  • the measurement of the temperature switch is effected by the action of the measuring means on a switching element located in the housing, wherein the switching element acts on the switching spring.
  • the manufacturing tolerance of the length of the switching element can be taken into account in the adjustment of the temperature switch equal, so that the switching behavior of the temperature switch can be set by taking into account this manufacturing tolerance more accurate.
  • substantially in the sense of the invention means deviations from respectively exact values by +/- 10%, preferably by +/- 5% and / or deviations in the form of changes which are insignificant for the function.
  • FIG. 1 is a reference numeral 1, an inventive temperature switch in a sectional view through the sectional plane SE shown.
  • the temperature switch 1 has a housing 2 formed in a closed manner, from which contact elements 5, 5 'are brought out at the bottom 1.1 as contact element pair.
  • a switching system 3 consisting of a first carrier 3.1 with a fixed contact 3.2 and a second carrier 3.3, on which a switching spring is arranged 3.4 with a switching contact 3.5, provided.
  • a switching arrangement 4 is provided within the housing 2, which causes a change in position of the switching contact 3.5 depending on the temperature.
  • the switching arrangement 4 in this case acts in particular on the switching spring 3.4 and thereby causes a separation of the switching contact 3.5 from the fixed contact 3.2 by spacing these contacts each other.
  • the housing 2 formed from an electrically insulating material is designed in several parts and consists essentially of a first, a housing opening 2.3 having housing portion 2.1 and a second, the housing opening 2.3 occlusive housing section 2.2.
  • the housing opening 2.3 is in this case provided on the contact elements 5, 5 'opposite top 1.2 of the temperature switch 1 and is closed by the cover-like, second housing section 2.2.
  • the first housing section 2.1 is U-shaped or substantially U-shaped and has a bottom section 2.1.3, which forms the bottom 1.1 of the temperature switch 1.
  • the bottom section 2.1.3 passes laterally into the side sections 2.1.2, 2.1.2 ', which protrude with their longitudinal extension in the direction of the vertical axis HA of the temperature switch 1 relative to the bottom section 2.1.3.
  • the carrier 3.1, 3.3 are guided, through passages 2.4, 2.4 '.
  • the bushings 2.4, 2.4 ' in this case run with their longitudinal extent parallel to the vertical axis HA and are in the area between the Bottom section 2.1.3 and the side sections 2.1.2, 2.1.2 'provided.
  • the side section 2.1.2, 2.1.2' is reinforced, ie it has a greater wall thickness.
  • the carriers 3.1, 3.3 are designed in strips and formed from an electrically conductive material.
  • the supports 3.1, 3.3 are guided through the passages 2.4, 2.4 'and formed in a first bending region 3a, 3a' by bending permanently bent, in such a way that the protruding into the interior 2.1.1 section of the carrier 3.1, 3.3 with his the bottom section 2.1.3 facing bottom each with an intermediate section 3b, 3b 'relative to the projection surface 6.1, 6.1' is applied.
  • the projections 6, 6 ' also each have a bending edge 6.2, 6.2', which are formed in the transition region between the respective projection surface 6.1, 6.1 'and an adjoining, parallel to the respective bushings 2.4, 2.4' extending inner surface portion.
  • the supports 3.1, 3.3 are again permanently deformed or bent at a second bending region 3c, 3c' in such a way that the supports 3.1, 3.3 in the two successive first and second bending regions 3a, 3a ' , 3c, 3c 'are deformed into different bending directions.
  • the respective carriers 3.1, 3.3 are bent at an acute angle, preferably at an angle ⁇ between 5 and 15 °, this angle ⁇ between the plane receiving the respective projection surface 6.1, 6.1' and the carrier 3.1, 3.3 forms and opens in the direction of the vertical axis HA out.
  • the bending of the carriers 3.1, 3.3 'in the second bending region 3c, 3c' can be of different sizes and can change independently of one another, in particular in the adjustment process described below.
  • these supports project laterally into the interior 2.1.1 formed in the housing 2 and form tongue-like, bendable sections with their ends protruding at the free end.
  • the bending is preferably carried out around the bending edges 6.2, 6.2 '.
  • the fixed contact 3.2 is provided at the bottom section 2.1.3 facing underside of the free-side end of the first carrier 3.1.
  • the switching spring is arranged 3.4, which extends to the protruding from the second carrier 3.3 free end to the first carrier 3.1 and with the provided on the switching spring 3.4 switching contact 3.5 in the area Fixed contact 3.2 is located.
  • the contact elements 5, 5 ' are designed as separate elements which are connected to the carriers 3.1, 3.3 by conventional joining techniques, for example by welding or soldering.
  • the contact elements 5, 5 'by the shalld solution ends of the first and second carrier 3.1, 3.3 are formed, which protrude on the underside of the housing 2.
  • the temperature switch according to FIG. 1 is designed as a so-called "opener", that is in the idle state of the switching contact 3.5 against the fixed contact 3.2, so that the first carrier 3.1 via the fixed contact 3.2, the closing contact 3.5 and the switching spring 3.4 is electrically connected to the second carrier 3.3.
  • a switching arrangement 4 is provided, which acts on the switching spring 3.4 such that when a defined temperature threshold is exceeded, the electrical contact is opened by lifting the switch contact 3.5 from the fixed contact 3.2.
  • the switching arrangement 4 is in this case formed in the illustrated embodiment by a rod-shaped switching element 4.1 and a bimetallic element 4.2.
  • the switching element 4.1 is in this case formed of a non-conductive material.
  • the bimetallic element 4.2 is in particular designed as a bimetallic disc which, when a specific temperature threshold is exceeded, converts from a concaved state curved in the direction of the upper side 1.2 into a convex state curved in the direction of the lower side 1.1. This transformation takes place abruptly in a snap movement, wherein the change in position of the bimetal 4.2 in the Mitteil Scheme same via the switching element 4.1, which is arranged with its narrow side in this central region of the bimetallic element 4.2 is transmitted to the switching spring 3.4, compared to the switching element 4.1 with the another, opposite narrow side rests.
  • the bimetallic element is arranged on the second housing section 2.2 and held by this.
  • the bimetal element 4.2 receiving second housing section 2.2 is formed of a material having high thermal conductivity and low thermal mass, so that a good, temporally possible instantaneous heat transfer between the second housing section 2.2 and the bimetallic element 4.2 can be done.
  • the adjustment takes place here during the manufacture of the temperature switch 1 before closing the housing opening 2.3 by means of the second housing section 2.2.
  • the housing opening 2.3 is formed such that adjustment and measuring means 10, 11, 12 can be introduced into the interior 2.1.1 from the top side 1.2 of the temperature switch.
  • the width b of the housing opening 2.3 is in this case dimensioned such that it is greater than the distance d of the free ends of the carrier 3.1, 3.3 in which the carrier 3.1, 3.3 receiving Cutting plane SE to each other.
  • adjusting means 10, 11 can be positioned on the areas of the supports 3.1, 3.3 above the bending edges 3.2, 3.2 'and the position of these sections can be changed by bending around the bending edges 3.2, 3.2'.
  • the in the FIGS. 2 and 3 designated by the reference numeral 15 measuring and adjusting arrangement has a first and second adjusting means 10, 11 which are designed to be displaceable in a direction parallel to the vertical axis HA of the temperature switch 1 and to the introduced into the interior 2.1.1 free ends contact surfaces against the carriers Training 3.1, 3.3. Between the first and second adjusting means 10, 11, a measuring means 12 is provided, which is also designed to be displaceable in the direction of the vertical axis HA of the temperature switch 1 and is designed to measure the spring force of the switching spring 3.4 or for measuring the position of the switching spring. The displacement of the adjusting and measuring means 10, 11, 12 takes place relative to a guide and contact element 13.
  • the measuring and adjusting arrangement 15 is inserted into the upper side open temperature switch 1 such that the guide and contact element 13 with its bottom 13.1 in the reference plane BE comes to lie, that is, in sections against the free ends of the side sections 2.1.2, 2.1.2 'is applied.
  • the reference plane BE serves as a reference plane for all measurement and adjustment steps.
  • the aim of the adjustment described below is, inter alia, to set the switching hysteresis of the temperature switch 1 targeted, the switching hysteresis is significantly influenced by the switching cycle, which results from the fact that the switching element with closed electrical contact between the switching contact 3.5 and the fixed contact 3.2 is not between the Bimetallic element 4.2 and the switching spring 3.4 is clamped, but rests with its own weight by gravity against the switching spring, the upper side, however, is spaced from the bimetallic element 4.2, so the bimetallic element 4.2 can deform slightly, without resulting in a change in position of the switching element 4.1.
  • the measuring means is guided to the switching spring 3.4 and first determines the spring force in the closed state of the contact.
  • the stroke is determined here in relation to the reference plane BE.
  • the spring force is measured in a further measuring step, which has the switching spring with open, electrical contact.
  • the measuring means 12 is lowered further starting from the switching point in order to simulate the switching stroke of the bimetallic element 4.2.
  • This measured spring force with the contact open corresponds to the force which acts on the bimetal element 4.2 when the contact is open and thus significantly influences the switching hysteresis of the temperature switch 1.
  • the carriers 3.1, 3.3 are iteratively bent so that the switching point, ie the opening of the electrical contact is achieved with a defined stroke of the measuring means 12 relative to the reference plane BE and also the spring forces in the closed state or reach the desired setpoints in the opened state.
  • the setpoints depend largely on the length of the switching element 4.1 to be used and are stored, for example, as a parameter set in the measuring and adjustment apparatus used.
  • the spring forces in the closed or open contact state can not be adjusted independently of each other. However, it is possible that To adjust the spring force to a desired value with open contact and to monitor that the spring force is within a permissible range when the contact is closed.
  • the iterative adjustment takes place, whereby first the first and / or second carrier 3.1, 3.3 are bent by the first or second adjusting means 10, 11 around the bending edges 6.2, 6.2 '.
  • the bending takes place initially with a small step size, ie there is only a slight bending of the carrier 3.1, 3.3, as too much bending of the carrier 3.1, 3.3 can not be reversed without manual intervention or without much effort.
  • the desired setpoint values for the switching point and the spring forces are achieved in compliance with the specified bending direction in the direction of the bottom section 2.1.3.
  • a renewed measurement of the switching point or the spring forces takes place in the closed or in the opened state of the electrical contact.
  • the completed adjustment process can be evaluated on the basis of the change in the measured parameters, and the degree of bending in the subsequent adjustment step, ie the adjustment step or the support 3.1 or 3.3 to be bent, can be determined therefrom.
  • the degree of bending of the respective carrier 3.1, 3.3 in successive Justier suitsen be different.
  • the adjustment can be made to a single, specific length of the switching element 4.1. However, it is also possible to make an adjustment such that it takes place with respect to a length of the switching element to be selected from a set of different, discrete switching element lengths, wherein the selected length of switching element subsequently in the final assembly of Temperature switch 1 is used. In addition, it is also possible that the measurement of the temperature switch 1 using the to be installed in this temperature switch 1 switching element 4.1 is done. For this purpose, the measuring means 12, for example, have a receptacle for the switching element 4.1. As a result, tolerances in the length of the switching element can already be taken into account in the adjustment of the temperature switch and thus a more accurate adjustment of the switching point.
  • the bending of the carrier 3.1, 3.3 causes a displacement of the contact points of the fixed contact 3.2 relative to the switching contact 3.5, one or both contact surfaces may be convex, so that the bending of the carrier 3.1, 3.3 leads to tolerable shifts of contact contact points.
  • the setting of the switching point which inevitably at the same time also the spring force is changed, which has the switching spring 3.4 both in the closed state and in the open state.
  • the carrier 3.3 an adjustment of the spring force of the switching spring 3.4 or a compensation of the change in the spring force of the spring force, the (change) results when setting the switching point.
  • the corresponding bending of the carrier 3.1 and 3.3 takes place at the same time, under constant measurement of the switching path of the switching spring 3.4 between opening and closing and the spring force of the switching spring 3.4 with the probe or rod-shaped measuring 12th

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  • Thermally Actuated Switches (AREA)

Claims (15)

  1. Interrupteur thermique comprenant un boîtier (2), un système de commutation (3) composé d'un premier support (3.1) avec un contact fixe (3.2) et d'un second support (3.3) au niveau duquel un ressort de commutation (3.4) avec un contact de commutation (3.5) est disposé et d'un dispositif de commutation (4) qui, en fonction de la température, provoque un changement de position du contact de commutation (3.5), caractérisé en ce que le premier support (3.1) et le second support (3.3) ont une conformation flexible et en ce que le boîtier (2) est constitué d'au moins une première section de boîtier (2.1) présentant au moins une ouverture de boîtier (2.3) et d'une seconde section de boîtier (2.2) fermant l'ouverture de boîtier (2.3), l'ouverture de boîtier (2.3) étant conçue pour introduire et positionner des moyens d'ajustage (10, 10') sur les supports (3.1, 3.3), en ce que l'ouverture de boîtier (2.3) est prévue à l'extrémité recevant au moins partiellement le dispositif de commutation (4) de la première section de boîtier (2.1) et en ce que les supports (3.1, 3.3) s'étendent latéralement dans un espace intérieur (2.1.1) formé dans la première section de boîtier (2.1).
  2. Interrupteur thermique selon la revendication 1, caractérisé en ce que le dispositif de commutation (4) est constitué d'un élément de commutation (4.1) et d'un élément bimétallique de forme variable (4.2).
  3. Interrupteur thermique selon la revendication 2, caractérisé en ce que l'élément de commutation (4.1) est en interaction avec l'élément bimétallique (4.2) et le ressort de commutation (3.4) de manière à ce que, en cas de déformation de l'élément bimétallique (4.2), il se produise un changement de position du contact de commutation (3.5).
  4. Interrupteur thermique selon une des revendications précédentes, caractérisé en ce que la première section de boîtier (2.1) est réalisée en forme de U ou sensiblement en forme de U.
  5. Interrupteur thermique selon la revendication 4, caractérisé en ce que la première section de boîtier (2.1) présente deux sections latérales opposées (2.1.2, 2.1.2') au niveau desquelles respectivement une saillie (6, 6') est formée.
  6. Interrupteur thermique selon la revendication 5, caractérisé en ce que la saillie (6, 6') présente au moins une surface de saillie (6.1, 6.1') orientée orthogonalement ou sensiblement orthogonalement par rapport à l'axe en hauteur de l'interrupteur thermique (1) et une arête de pliage constituée dessus (6.2, 6.2').
  7. Interrupteur thermique selon une des revendications précédentes, caractérisé en ce que les premier et second supports (3.1, 3.3) sont constitués respectivement d'un matériau plat en forme de bande a section transversale de forme rectangulaire comportant respectivement une paire de côtés larges et étroits opposés les uns des autres et espacés, les premier et second supports (3.1, 3.3) ayant une conformation coudée dans une première zone de courbure (3a, 3a') et reposant respectivement par une section intermédiaire (3b, 3b') se raccordant à la première zone de courbure (3a, 3a') par un côté large en face de la surface de saillie (6.1, 6.1').
  8. Interrupteur thermique selon la revendication 7, caractérisé en ce que les premier et second supports (3.1, 3.3) présentent une seconde zone de courbure (3c, 3c') dans laquelle le support respectif (3.1, 3.3) est déformé dans un sens de courbure différent du sens de courbure de la première zone de courbure (3a, 3a').
  9. Procédé d'ajustage d'un interrupteur thermique (1) comprenant un boîtier (2), un système de commutation (3) composé d'un premier support (3.1) avec un contact fixe (3.2) et d'un second support (3.3) au niveau duquel un ressort de commutation (3.4) avec un contact de commutation (3.5) est disposé, caractérisé en ce que, via une ouverture du boîtier (2.3), un premier moyen d'ajustage (10) agissant sur le premier support (3.1) et un second moyen d'ajustage (11) agissant sur le second support (3.3) sont introduits, en ce que, dans une étape d'ajustage, au moins un des supports (3.1, 3.3) est courbé par application de force du moyen d'ajustage (10, 11) sur ce support (3.1, 3.3) et que, dans une étape de mesure au moyen d'un instrument de mesure (12), la position et/ou la force de ressort du ressort de commutation (3.4) est déterminée.
  10. Procédé selon la revendication 9, caractérisé en ce que, avant la courbure pour la première fois d'un support (3.1, 3.3), à l'aide de l'instrument de mesure (12), la position du ressort de commutation (3.4) au point de commutation où une séparation du contact de commutation (3.5) et du contact fixe (3.2) a lieu est mesurée par rapport à un plan de référence.
  11. Procédé selon la revendication 10, caractérisé en ce que la force de ressort exercée par le ressort de commutation (3.4) sur l'instrument de mesure (12) est mesurée au point de commutation et/ou, en cas de contact du contact de commutation (3.5), en face du contact fixe (3.2).
  12. Procédé selon une des revendications 9 à 11, caractérisé en ce que, dans l'étape d'ajustage, la courbure d'un support (3.1, 3.3) ou des deux supports (3.1, 3.3) autour d'une arête de courbure (6.2, 6.2') se fait en descendant le moyen d'ajustage respectif (10, 11) sur une section dépassant de l'arête de courbure (6.2, 6.2') du support (3.1, 3.3).
  13. Procédé selon une des revendications 9 à 12, caractérisé en ce que, consécutivement à une ou plusieurs étapes d'ajustage, respectivement une étape de mesure permettant de mesurer la position du ressort de commutation (3.4) au point de commutation et/ou de mesurer la force de ressort au point de commutation et/ou de mesurer la force de ressort en cas de contact du contact de commutation (3.5) en face du contact fixe (3.2) est réalisée.
  14. Procédé selon une des revendications 9 à 13, caractérisé en ce qu'un ajustage itératif est effectué par succession alternative d'une étape d'ajustage et d'une étape de mesure.
  15. Procédé selon une des revendications 9 à 14, caractérisé en ce que, en fonction du changement de position du ressort de commutation (3.4) et/ou de la force de ressort au point de commutation, le ou les supports (3.1, 3.3) à courber dans l'étape d'ajustage suivante et/ou le degré de courbure dans l'étape d'ajustage suivante sont établis.
EP13750274.6A 2012-07-31 2013-07-30 Interrupteur thermique et procédé de réglage d'un interrupteur thermique Not-in-force EP2880670B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012106978.6A DE102012106978B4 (de) 2012-07-31 2012-07-31 Temperaturschalter sowie Verfahren zur Justierung eines Temperaturschalters
PCT/EP2013/066042 WO2014020045A1 (fr) 2012-07-31 2013-07-30 Interrupteur thermostatique et procédé de réglage d'un interrupteur thermostatique

Publications (2)

Publication Number Publication Date
EP2880670A1 EP2880670A1 (fr) 2015-06-10
EP2880670B1 true EP2880670B1 (fr) 2016-05-25

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EP13750274.6A Not-in-force EP2880670B1 (fr) 2012-07-31 2013-07-30 Interrupteur thermique et procédé de réglage d'un interrupteur thermique

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US (1) US9653245B2 (fr)
EP (1) EP2880670B1 (fr)
CN (1) CN104685600B (fr)
DE (1) DE102012106978B4 (fr)
PL (1) PL2880670T3 (fr)
WO (1) WO2014020045A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102019110709B4 (de) * 2019-04-25 2022-07-07 Phoenix Contact Gmbh & Co. Kg Elektrische Schalteinrichtung mit einem Formgedächtniselement

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Publication number Publication date
CN104685600A (zh) 2015-06-03
DE102012106978A1 (de) 2014-02-06
WO2014020045A1 (fr) 2014-02-06
US20150206687A1 (en) 2015-07-23
CN104685600B (zh) 2017-06-09
EP2880670A1 (fr) 2015-06-10
PL2880670T3 (pl) 2016-12-30
DE102012106978B4 (de) 2014-08-14
US9653245B2 (en) 2017-05-16

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