WO2018024386A1 - Dispositif de commutation thermique - Google Patents

Dispositif de commutation thermique Download PDF

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Publication number
WO2018024386A1
WO2018024386A1 PCT/EP2017/064014 EP2017064014W WO2018024386A1 WO 2018024386 A1 WO2018024386 A1 WO 2018024386A1 EP 2017064014 W EP2017064014 W EP 2017064014W WO 2018024386 A1 WO2018024386 A1 WO 2018024386A1
Authority
WO
WIPO (PCT)
Prior art keywords
switching device
thermal switching
contact
disc
metal disc
Prior art date
Application number
PCT/EP2017/064014
Other languages
German (de)
English (en)
Inventor
Frédéric ZIMMERMANN
Marian KLAPETEK
Alfred Haas
Andreas Martin
Original Assignee
Inter Control Hermann Köhler Elektrik GmbH & Co. KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Inter Control Hermann Köhler Elektrik GmbH & Co. KG filed Critical Inter Control Hermann Köhler Elektrik GmbH & Co. KG
Publication of WO2018024386A1 publication Critical patent/WO2018024386A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
    • H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
    • H01H37/54—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
    • H01H37/5409—Bistable switches; Resetting means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/60—Means for producing snap action
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/64—Contacts
    • H01H37/70—Resetting means
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/64—Contacts
    • H01H37/70—Resetting means
    • H01H2037/705—Resetting means wherein the switch cannot be closed when the temperature is above a certain value

Definitions

  • the present invention relates to a thermal switching device according to the preamble of claim 1.
  • thermal switching devices are usually used as a temperature controller, temperature limiter or thermal fuse.
  • Common applications of thermal switching devices are the use as thermal protection or temperature control in household appliances, such. As kettles, coffee makers, irons, dishwashers, washing machines or the like.
  • Thermal switching devices serve to interrupt a circuit of a heater when a switching temperature is reached.
  • thermal switching devices are positioned in thermal contact with the heater.
  • the thermal switching device comprises an actively responsive to temperature component. As a rule, this is a bistable bimetallic spring disc which has a specific switching temperature or transition temperature.
  • the thermal switching device is implemented via two connection contacts in the circuit of the heater.
  • the two connection contacts in conjunction with a moving contact and a fixed contact form a contact path.
  • the contact between fixed contact and moving contact is made by the spring tension of the moving contact.
  • the contact gap is opened when the transition temperature of the bimetal jump disc is reached.
  • the movement of the Bimetallsprungieri is in this case via a transmission element, which communicates with the moving contact, on transmit the movement contact, whereby the contact section is opened and the circuit is interrupted.
  • a thermal switching device shows the DE 198 01 251 C2.
  • the movement contact is here above the fixed contact.
  • the Bimetallsprungusion is arranged below a bistable metal disc.
  • a bottle-like ausgestaltetes actuator is used as a transmission element.
  • the transition temperature is reached, the movement of the bimetallic spring disc is transmitted to the moving contact via the metal disk and the transmission element.
  • the bistable metal disc can be acted upon via a Spreizelementring with pressure to switch them back to their original position.
  • the spring force of the moving contact presses the latter down in the closed position on the fixed contact. As a result, there is the risk that it comes through the constant force to the material fatigue of the moving contact, whereby the service life and the safety of the thermal switching device are gradually reduced.
  • the present invention has for its object to provide a new thermal switching device available, which in addition to a structurally simple structure has a longer durability and improved safety.
  • the bimetal jump disk is arranged between the bistable metal disk and the contact path, and the movement contact between the bistable metal disk and the fixed contact is arranged.
  • the movement contact is not held by the clamping force of the spring of the moving contact, but by the transmission element in the closed position. As a result, the risk of a change in the switching behavior is reduced by the relaxation of the spring force of the moving contact.
  • the switching device As a result of the switching device according to the invention, its durability is prolonged and the reliability of operation is improved
  • the metal disc is also switched by the bimetallic spring disc and thus also the metal disc in When the bimetallic spring disc is reset by temperature, the metal disc remains in its switched position.
  • a base plate can be provided on the underside of the housing and the bistable metal disc between bimetallic jump disc and base plate are located.
  • the thermal switching device can be easily attached to a heater.
  • the base plate is preferably made of a material with good thermal conductivity, in order to ensure a good heat transfer from the heater to the metal disc and / or the Bimetallsprungany.
  • a recess in the housing or in the base plate may be provided for receiving the bistable metal disc and / or the bimetallic spring disc.
  • the bimetallic spring disc has an opening or a hole, in particular a center hole, within the bimetallic spring disc.
  • the transmission element moves through the hole of the Bimetallsprungusion and rests on top of the metal disc.
  • the bimetallic spring plate can switch back even when the metal plate is curved downwards, without the movement contact being closed again.
  • the diameter of the central hole is in this case larger than the diameter of the transmission element, so that an annular gap arises between the transmission element and the Bimetallsprungany.
  • the Bimetallsprungility and the metal disc in the region of a lower recess of the housing are arranged. Further, in the housing or in the region of the recess of the housing grooves or projections may be provided which serve to hold the Bimetallsprungany or the metal disc.
  • the metal disc is below and in direct contact with the Bimetallsprungusion. This results in an optimal heat transfer from the base plate or the heater over the metal disk to the Bimetallsprungusion.
  • the metal disk has a flattened area in the middle, which serves for contacting the transmission element. The fact that this contact region of the metal disc is flattened, the transmission element is always perpendicular to the underside of the metal disc, whereby a rectilinear and controlled movement of the transmission element is ensured within the housing.
  • a, preferably manual, rear part device can be provided for re-dividing or for reversing the metal disc.
  • the movement contact can be brought back into the closed position on demand via the metal disk and the transmission element.
  • MOD Multiple Operation Device
  • the rear part device and the metal disc are designed such that a manual actuation of the rear part device and thus of the bistable metal disc is possible below the transition temperature of the bimetallic spring disc (i.e., with an upwardly curved bimetallic spring disc) in both directions.
  • a manual downshift of the metal disk i. H. closing the contact section, above the transition temperature not possible.
  • thermal switching devices that should prevent, for example, overheating of a device, such. B. within a cable drum that heats up in the rolled state at increased power, are not manipulated by the user to save time during the cooling process. The safety of the thermal switching device is thereby increased in particular.
  • a return lever mounted on the metal disk and laterally projecting from the metal disk is provided as the rear part device. This allows the metal disc to be easily returned by the user. be switched. Further, a reset button may be provided at the top or at the upper end of the reset lever.
  • a spreader element ring provided with at least one reset lever can be provided as the rear part device.
  • the expansion element ring is preferably arranged between metal disc and base plate.
  • the expansion element ring is in this case installed in a simple manner below the metal plate and above the base plate in the interior of the recess of the housing.
  • the fastening of the reset lever on the metal disc can be omitted hereby.
  • the expansion element ring can be inserted in a simple manner. The assembly process is thereby considerably facilitated.
  • the return lever can project from the bistable metal disc or the Spreizelementring obliquely upwards.
  • the return lever and the metal disk or the Spreizelementring may be in one piece, d. H. that the return lever is an integral part of the metal disc or the Spreizelementrings.
  • the manufacturing process can be considerably simplified by the metal disk or the Spreizelementring including the reset lever are punched or molded in one piece in a simple manner.
  • the reset lever with the metal disk or the Spreizelementring z. B. be connected by a soldering or welding connection.
  • the Spreizelementring has a ring body and at least one, preferably a plurality of inwardly oriented Sp Drardlappen.
  • the metal plate is manually switched back.
  • a reset button for manual actuation of the rear part device may be provided on the housing, the housing in its at least partially surrounds the upper area from the top.
  • the reset button is slidably disposed on the housing and is along the direction of movement of the transmission element, that is moved vertically from top to bottom.
  • a first upper position and a second lower position of the reset button s are provided.
  • the reset button is in the first upper position in the undepressed state and in the second lower position in the depressed state.
  • the reset button has at least one retaining element, such. B. a projection or a pin, on the inside of the reset button.
  • the housing has at least one recess for receiving the retaining element.
  • the recess is in particular a groove or rail which is arranged on the side of the housing.
  • Such recesses are often already provided on conventional housings of thermal switching devices. This results in the advantage that existing thermal switching devices can be retrofitted in a simple manner with the reset button, without making a housing adaptation.
  • the recess and the retaining element are configured such that the reset button can be moved in a straight and uniform movement vertically along the recess of the housing between the first upper and the second lower position.
  • the reset button comprises at least one laterally mounted projection for actuating the rear part device.
  • the projection is in this case at least temporarily in contact with the rear part device and serves as a stop for the return lever of the metal disk or the Spreizelementrings.
  • the reset lever can be operated via the projection of the reset button when the reset button is moved to the second lower position, and that the reset button is moved by the reset lever when switching the bistable metal disc in the upper first position and held there ,
  • the reset button of temperature-stable and / or current-insulating material, such. As plastic or ceramic, be made.
  • the reset button is designed as a plastic molding. The fact that in this case the risk of combustion and / or a power accident is reduced, the safety of the user is further increased.
  • the present invention also claims a thermal switching device in which between the housing and Bimetallsprungocc a pressing element is provided which presses the Bimetallsprungenviron in the direction of the bistable metal disc.
  • a pressing element is provided which presses the Bimetallsprungenviron in the direction of the bistable metal disc.
  • a ring-shaped pressure spring is provided as a pressing element.
  • the pressure spring can be installed in a simple manner above the Bimetallsprungenviron. By the ring-like configuration, over the entire surface of the Bimetallsprungenviron uniformly exerted pressure can be applied, which always holds the bimetallic spring in position.
  • the pressure spring has a hole, in particular a center hole, and at least two, preferably three or four or more wings, which are oriented to the outside.
  • the hole within the pressure spring serves to receive the transmission element.
  • the wings may be bent in the direction bimetallic spring plate or opposite, to increase the contact pressure of the bimetallic spring disc on the metal disc in addition.
  • the wings are each distributed at the same distance along the circumference of the pressure spring.
  • the wings may have at the outer ends widenings, which are designed nikabismeformig, so that the border of the pressure spring has a substantially round outer contour.
  • the pressure spring can be easily positioned or centered, for example, over the dome of the base plate, before the centrally arranged transmission element is installed. As a result, an improved centering and assembly during assembly of the thermal switching device is achieved.
  • FIG. 1 shows an exploded view of a first embodiment of the thermal switching device according to the invention
  • FIG. 2a is a simplified cross-sectional view of the thermal switching device of Figure 1 with a closed contact path in a front view.
  • FIG. 5c is a simplified cross-sectional view of the thermal switching device of Fig. 4 with opened contact path, switched back Bimetallic spring disc and non-reversed metal disc in side view;
  • FIG. 6a shows a simplified side view of the expansion element ring from FIG. 4;
  • Fig. 6b is a simplified plan view of the expansion element ring of Fig. 4;
  • FIG. 7 is an exploded view of a third embodiment of the thermal switching device according to the invention with pressure spring;
  • Fig. 8a is a simplified representation of the pressure spring of Figure 7 in side view.
  • 9a is a simplified representation of a second embodiment of the pressure spring in side view; 9b is a simplified representation of the pressure spring of Figure 9a in plan view.
  • FIG. 10 is an enlarged cross-sectional view of the lower portion of the thermal switching device of Figure 7 with the contact path closed in a front view.
  • 1 1 a is a simplified sectional view of a third embodiment of the
  • Fig. 1 1 b is a simplified representation of the pressure spring of Fig. 1 1 a in
  • Fig. 12a is a simplified side view of a fourth embodiment of the pressure spring
  • Fig. 12b is a simplified representation of the pressure spring of Fig. 12a in
  • FIG. 13 shows an illustration of a fourth embodiment of the thermal switching device according to the invention with reset button
  • Fig. 14a is a simplified cross-sectional view of the thermal switching device of FIG. 13 with a switched Bimetallsprunglite and opened contact section in side view, and
  • Fig. 14b is a simplified cross-sectional view of the thermal switching device of FIG. 13 with closed contact path, down-switched bimetallic spring disc and rear-switched metal disc in side view.
  • connection contacts 10, 1 1 are provided, via which the thermal switching device 1 in a, not shown, circuit can be connected to be backed up and / or regulated heater of a device.
  • the connection contacts 10, 1 1 can in this case, as shown in Fig. 1, project perpendicularly upwards, laterally projecting or be adapted in any other form to the geometry of the terminals of the circuit of the heater.
  • connection contacts 10, 1 1 are preferably formed as flat contacts, which may also have a surface structure, in particular a wavy surface structure, for improved contact with solder and welded joints.
  • a moving contact 5 which is designed as a contact spring.
  • a contact pad 5a for contacting the moving contact 5 with a, not shown in Fig. 1, fixed contact 6 at the bottom of Anschlußkon- clock 10.
  • the moving contact 5 and the fixed contact 6 in this case form a contact path, the in the (not shown) circuit of the heater is interposed and optionally opened via the movement contact 5 o- can be closed.
  • the thermal switching device 1 At the bottom of the housing 2 of the thermal switching device 1 is a preferably made of metal base plate 4, which is not detachably connected to the housing 2 for the user.
  • the base plate 4 has dome 4b, which serve to fix the position of the housing 2 and arranged therein components.
  • the thermal switching device 1 directly to the (not shown) heating device, for. B. the meander of a thick-film heating are applied.
  • the attachment of the base plate 4 can be made by an adhesive connection, screw, clamp connection or the like.
  • the base plate 4 depending on the mounting method boreholes, openings, threads or other fastening devices.
  • the thermal switching device 1 comprises a bimetallic spring disc 7 and a bistable metal disc 8, in particular a steel disc designed as a snap disc.
  • the Bimetallsprungsolution 7 and the metal disc 8 are located above the base plate 4 and are disposed within the recess 3 of the housing 2.
  • the dome 4b serves to keep the bimetal jump disk 7 and the metal disk 8 stable in position, in particular during the factory assembly of the bimetallic spring disk 7 and the metal disk 8.
  • the bistable metal disk 8 is arranged between the base plate 4 and the bimetallic spring disk 7. As a result, the metal plate 8 is directly below the Bimetallsprungenviron 7.
  • the metal disc 8 may have a centrally arranged, ring-shaped, flattened or slightly curved portion 8a.
  • the transmission element 9 is designed as an insulating pin and is located above the metal disc 8 in the interior of the, not shown in FIG. 1, through hole 13 of the housing 2.
  • the transmission element 9 contacts the Movement contact 5 from below.
  • the Bimetallsprungthrough 7 has a hole 14, in particular a center hole, for receiving the transmission element 9.
  • the diameter of the hole 14 is preferably selected such that an annular gap 15 is formed between the transmission element 9 and the bimetallic spring disc 7.
  • the bimetallic spring disc 7 can be moved without interference along the longitudinal axis of the transmission element 9.
  • located in the region of the metal plate 8 is a restoring device or a reset lever 16 for manually switching back the metal plate 8 after a temperature-induced switching of the Bimetallsprungany 7.
  • the reset lever 16 can in this case with the metal plate 8 z. B. be permanently connected via a soldered or welded connection or be an integral component of the metal disc 8.
  • the reset lever 16 can, depending on the geometry of the thermal switching device 1, protrude laterally from the housing 2 at different angles.
  • the return lever 16 by means of a (not shown in Fig. 1) operating device, such. As a switch button or lever, are operated.
  • FIGS. 2a, 2b and 2c show the thermal switching device 1 from FIG. 1 in different switching positions.
  • Fig. 2a shows the thermal switching device 1 in its normal position with a closed contact path between moving contact 5 and fixed contact 6.
  • the moving contact 5 is in this case between fixed contact 6 and base plate 4 disposed within a recess 12 and contacted with the contact pad 5a at the open end of the moving contact 5 the Fixed contact 6.
  • the moving contact 5 is by means of a fastening 5c on Connection contact 1 1 attached.
  • the transmission element 9 keeps the movement contact 5 in this way in the closed position.
  • the closing force of the moving contact 5 is essentially determined by the transmission element 9.
  • the bimetallic spring disc 7 and the metal disc 8 are arranged within a recess 3 of the housing 2 between the housing 2 and the base plate 4.
  • the metal disc 8 is in this case between the base plate 4 and bimetallic spring plate 7.
  • the metal disc 8 contacts the underside of the transmission element 9. The force exerted by the clamping force of the metal disc 8, upward force is transmitted through the transmission element 9 on the movement contact 5.
  • the switching position of the thermal switching device 1 according to FIG. 2a shows the thermal switching device 1 with a closed circuit.
  • the bimetallic spring disc 7 heats up and jumps into a downwardly curved shape, see FIG. Fig. 2b.
  • the metal disc 8 also jumps in a downwardly curved shape.
  • the spring force of the moving contact 5 presses the transmission element 9 in the direction of the base plate 4, whereby the contact between the contact pad 5a and the fixed contact 6 is opened.
  • the heating device After switching off the heating device, the heating device cools down, as a result of which the bimetal jump disk 7 is switched back again according to FIG. 2c or FIG. 3a. However, the metal disc 8 with the transfer element 9 located thereon remains in the downward curved position. The contact path between the movement contact 5 and fixed contact 6 remains according to FIG. 2c and FIG. 3a still open. The transmission element 9 passes through the hole 14 of the bimetal jump disk 7.
  • Closing of the contact path between the movement contact 5 and the fixed contact 6 can only take place in this switching state by switching back the metal disk 8. This is done manually by the user. For this purpose, the user presses the return lever 16 downwards, as a result of which the metal disk 8 snaps back upwards, cf. Fig. 3b. As a result, the transmission element 9 is pressed upward again in the direction of the movement contact 5 in order to close the contact path between the movement contact 5 and the fixed contact 6 again.
  • the user can also optionally open the contact path between the movement contact 5 and the fixed contact 6 via the reset lever 16, by moving the reset lever 16 upwards and thus arching the metal disk 8 downwards.
  • the heating device can also be switched off manually by the user and independently of the heating temperature.
  • Reference numeral 30 in Fig. 4 shows a second embodiment of the thermal switching device according to the invention.
  • This embodiment comprises a metal disc 8 without reset lever 16.
  • a spreader element ring 17 arranged between metal disc 8 and base plate 4 is provided according to this embodiment.
  • the expansion element ring 17 is in this case, as shown in Fig. 5a, on the base plate 4.
  • the downwardly curved metal disc 8 rests on the expansion element ring 17, cf. Fig. 5b.
  • the metal disc 8 remains in the downward curved position, see. Fig. 5c.
  • the metal disc 8 can then be switched back by the user by means of the Spreizelementrings 17.
  • the downshift takes place here manually by means of two laterally arranged on Spreizelementring 17 reset lever 19, 20th
  • the expansion element ring 17 shown in Fig. 4 is shown in Fig. 6a in a side view and in Fig. 6b in a plan view.
  • the expansion element ring 17 comprises an annular body 18, on the outside of which two oppositely arranged return levers 19, 20 are located.
  • On the inside of the annular body 18 there are two widenings 23, 24 arranged opposite one another, which serve to stabilize the expanding element ring 17 during the actuation of the return levers 19, 20.
  • In the interior of the Spreizelementrings 17 are two inwardly projecting Sp Rudlappen 21, 22.
  • the return lever 19, 20, the Sp Dahllappen 21, 22 are moved upward in the direction of metal disc 8 and the metal disc 8 accordingly curved upward or back.
  • the expansion tabs 21, 22 can be oriented slightly downwards in contrast to the annular body 18.
  • the expansion element ring 17 is also in the non-switched state, d. H. with the contact section closed, pressed slightly upwards in the direction of the metal disc 8.
  • Reference numeral 40 in Fig. 7 shows the thermal switching device with a pressing element or a pressure spring 25, which is located above the Bimetallsprungenviron 7.
  • the pressure spring 25 serves to press the bimetallic spring disc 7, preferably in each switching state, downwards in the direction of the metal disc 8.
  • an improved heat transfer via the base plate 4 and the metal disk 8 is achieved towards the Bimetallsprungenviron 7.
  • the Bimetallsprungefficiency 7 is always held by the pressure spring 25 in position, regardless of the mounting position.
  • FIG. 7 the pressure spring 25 is shown in FIG. 7.
  • the pressure spring 25 has an annular body 26 with a centrally located hole 28 and four wings 27, which, as shown in Fig. 8a, slightly bent down in the direction bimetallic spring 7.
  • the hole 28 serves to receive the transmission element 9, as shown in FIGS. 7 and 10.
  • FIGS. 9a and 9b A further advantageous embodiment of the pressure spring 25 is shown in FIGS. 9a and 9b. This embodiment of the pressure spring 25 has only three wings 27, which are also bent slightly downwards in the direction bimetallic spring 7 according to FIG. 9a.
  • FIGS. 12a and 12b show a fourth embodiment of the contact pressure spring 25 with three wings 27 and widenings 29 at the distal ends of the wings 27.
  • the widenings 29 are configured in a circular segment, so that the outer edge of the widenings 29 has a substantially circular outer contour Pressure spring 25 forms.
  • the thermal switching device 50 comprises a, preferably made as a plastic molded part, reset button 51, which is used for manual actuation of the reset lever 16.
  • the reset button 51 comprises (not shown in FIG. 13) holding elements 53 which engage in laterally mounted grooves 52 of the housing 2.
  • the grooves 52 of the housing 2 are in this case upwardly closed in the direction of the reset button 51, to prevent the reset button 51 upwardly from the thermal switching device 50th solves.
  • the reset button 51 has a projection 54, which is intended to actuate the return part device or the return lever 16.
  • FIG. 14a shows the switch-back operation of the reset button 51.
  • FIG. 14a shows the thermal switching device 50 in the switched-off state, ie the bimetal jump disk 7 and the bistable metal disk 8 are switched, the contact path between moving contact 5 and fixed contact 6 being opened is. Further, the reset button 51 is in the first upper position. After cooling the thermal switching device 51, below the transition temperature of the bimetallic spring disc 7 and thus the switching back of the bimetallic spring 7, it is possible to switch back the bistable metal disc 8 by the operation of the reset lever 16 via the reset button 51.
  • the switching back of the bistable metal disc 8 is effected in a simple manner in that the reset button 51 is preferably moved manually by the user from the first upper position along the direction of movement of the transmission element 9 to the second lower position.
  • the reset lever 16 can then be actuated again via the reset button 51 as soon as the transition temperature of the bimetal jump disk 7 has fallen below and the bimetallic jump disk 7 is switched back.
  • the reset lever 16 exercises both in the switched state and in the ungeschalte- th state of the bistable metal disc 8 a slight pressure upward on the reset button 51 from.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Thermally Actuated Switches (AREA)

Abstract

Dispositif de commutation thermique, notamment limiteur de température, fusible thermique ou régulateur de température à commande par bilame, comprenant : un boîtier (2) ; une voie de contact présentant un contact mobile (5) et un contact fixe (6) ; un disque bilame (7) ; un disque métallique bistable (8) qui peut être mis dans l'une des ses deux positions stables par déplacement du disque bilame (7) dans une direction ; un élément de transmission (9) qui agit sur le contact mobile (5) de la voie de contact. Selon l'invention, le disque bilame (7) est disposé entre le disque métallique bistable (8) et la voie de contact, et le contact mobile (5) est disposé ente le disque métallique bistable (8) et le contact fixe (6).
PCT/EP2017/064014 2016-08-04 2017-06-08 Dispositif de commutation thermique WO2018024386A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202016104274.7U DE202016104274U1 (de) 2016-08-04 2016-08-04 Thermische Schalteinrichtung
DE202016104274.7 2016-08-04

Publications (1)

Publication Number Publication Date
WO2018024386A1 true WO2018024386A1 (fr) 2018-02-08

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WO (1) WO2018024386A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4184545A1 (fr) * 2021-11-17 2023-05-24 Inter Control Hermann Köhler Elektrik GmbH & Co. KG Dispositif de commutation thermique, ainsi que dispositif de chauffage

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3116375B1 (fr) * 2020-11-17 2022-10-07 Cotherm Sa Interrupteur thermique a fixation d’element thermosensible inviolable et son procede de montage
CN113838722A (zh) * 2021-08-18 2021-12-24 广州森宝电器股份有限公司 一种过载保护装置及方法
DE202022103308U1 (de) 2022-06-13 2023-09-22 Inter Control Hermann Köhler Elektrik GmbH & Co. KG Schalteinrichtung sowie Heizeinrichtung

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