EP0410119B1 - Thermostat à mécanisme de commutation bimétallique - Google Patents

Thermostat à mécanisme de commutation bimétallique Download PDF

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Publication number
EP0410119B1
EP0410119B1 EP90110937A EP90110937A EP0410119B1 EP 0410119 B1 EP0410119 B1 EP 0410119B1 EP 90110937 A EP90110937 A EP 90110937A EP 90110937 A EP90110937 A EP 90110937A EP 0410119 B1 EP0410119 B1 EP 0410119B1
Authority
EP
European Patent Office
Prior art keywords
circuit board
printed circuit
board according
casing
cover part
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.)
Expired - Lifetime
Application number
EP90110937A
Other languages
German (de)
English (en)
Other versions
EP0410119A2 (fr
EP0410119A3 (en
Inventor
Peter Hofsäss
Original Assignee
Hofsass Benjamin Michael
Hofsass Carola Rika
Hofsass Denise Petra
Hofsass Henrik Peter
Hofsass Marcel Peter
Hofsass Ulrika
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
Priority claimed from DE8908999U external-priority patent/DE8908999U1/de
Priority claimed from DE8915123U external-priority patent/DE8915123U1/de
Application filed by Hofsass Benjamin Michael, Hofsass Carola Rika, Hofsass Denise Petra, Hofsass Henrik Peter, Hofsass Marcel Peter, Hofsass Ulrika filed Critical Hofsass Benjamin Michael
Publication of EP0410119A2 publication Critical patent/EP0410119A2/fr
Publication of EP0410119A3 publication Critical patent/EP0410119A3/de
Application granted granted Critical
Publication of EP0410119B1 publication Critical patent/EP0410119B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
    • H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
    • H01H37/54—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
    • H01H37/5427—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting encapsulated in sealed miniaturised housing
    • H01H37/5436—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting encapsulated in sealed miniaturised housing mounted on controlled apparatus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals

Definitions

  • the invention relates to a circuit board with a temperature switch, such as, in particular, temperature monitor for an electric motor.
  • temperature switches with bimetallic switching mechanisms are provided, which are fixed in the electrical circuit of the electric motor by contacting the electric motor - in particular on a printed circuit board to be attached to its stator and provided with conductor tracks. This is done by bending the flexible connecting wires of the temperature switch, if necessary after carrying out perforations in the circuit board, and soldering them flat to the corresponding conductor tracks of the circuit board. This must be done by hand.
  • a temperature switch in particular for a lighting device, is known from US Pat. No. 4,314,223.
  • This has a housing in which a bimetallic switching mechanism is arranged.
  • An extension with an undercut and two electrical connection pins are provided on the outside of the housing.
  • This temperature switch is inserted into a receiving device, the neck of the temperature switch being inserted into a receiving opening and the contact pins into corresponding contact sockets.
  • the receiving device has a spring element in the receiving opening, which engages behind the undercut of the inserted shoulder and thus causes the temperature switch to be locked in the receiving device.
  • the spring element simultaneously closes an electrical contact that connects a connection socket of the receiving device to a connecting line.
  • the other connection socket is firmly connected to another connection line.
  • DE-A-33 40 436 describes an electrical pressure switch in a housing.
  • Four locking legs are formed on the underside of the housing for mounting on a bearing plate.
  • the locking legs each have a recess into which a circuit board is snapped, the housing being held at a distance from the circuit board.
  • two contact pins are provided on the underside of the housing, which carry contact springs at their free end. These contact springs are pressed onto corresponding conductor tracks when the pressure switch is locked onto a circuit board.
  • the invention is based, to avoid the disadvantages mentioned, to provide a circuit board provided with a temperature switch, in which the connection of the circuit board and the switch, as well as the use and contacting thereof, can be largely automatic.
  • the electrical contacting and the mechanical connection of the switch to the circuit board are carried out separately, while in the prior art the mechanical connection and the electrical contacting take place together via the connecting wires to be bent.
  • the switch only has to be plugged onto the printed circuit board, be it perpendicular to it, or be it through laterally open ones Slits in the plane of the same, whereby the mechanical connection is first achieved.
  • electrical contacting of the connection contacts with the conductor tracks can also be made in an automated manner by means of soldering points.
  • the electrical circuit board according to the invention can be provided fully automatically with the temperature switch, the switch is then securely attached to the circuit board; in particular, the further electrical connections can also be made fully automatically and the entire printed circuit board unit with temperature switch can be handled in a simple and convenient manner for further processing.
  • the temperature switch can in particular first be handled as a piece and, for example, can be fed from a vibrating pot to an automatic assembly machine which automatically pushes its connection attachment through a corresponding opening in the printed circuit board and thus reliably fixes the switch thereon.
  • an automatic assembly machine which automatically pushes its connection attachment through a corresponding opening in the printed circuit board and thus reliably fixes the switch thereon.
  • the connection lugs are pushed through them, so that after the switch has been fixed on the circuit board in the manner described above, the electrical connection between the connection lugs and conductor tracks on the circuit board is also effected fully automatically simply by setting soldering points can be.
  • This part of the printed circuit board with the temperature switch combined in this way can then be further treated as bulk material in a simple and convenient manner and can be passed on for further processing.
  • the housing of the temperature switch has an electrically conductive lower housing part and a cover part made of electrically insulated material, or that the extension is provided with a slot extending in its longitudinal direction and projecting from the outside inwards, the lateral boundary areas of which form spring sections.
  • connection extension extends perpendicular to the surface of the cover part of the outer housing, in particular connection legs for electrical contacting extending parallel to the extension.
  • a further embodiment is characterized in that the pot part of the outer housing has an integrally formed connecting leg, the connecting leg being integrally connected to the pot part of the outer housing via a connecting section which is partially bent over the cover part.
  • the spring part is designed such that, in addition to the connecting leg projecting through the opening of the cover part of the outer housing, it has a connecting section which extends at right angles to this and is arranged within the housing and at the end opposite the connecting leg is integrally formed with spring legs which are slightly formed from the connecting section the plane of the connecting section are bent out.
  • Developments also provide that the connecting approach with a slot between two legs is provided and that the undercuts are formed by two-stage lugs, which are arranged at different distances from the surface of the cover part of the outer housing, in particular with the pot part of the outer housing via the cover part of this pressing tabs against the end faces of the pot part are formed.
  • the housing is provided with a projection which extends essentially perpendicularly from its surface, which has undercuts, and that connecting contacts extend parallel to the projection, it also being possible for the projection to be provided with a its longitudinal direction extending, from the outside inwardly extending slot is provided, the lateral boundary areas form spring sections.
  • the approach consists of plastic, in particular the and optionally with a cover is a plastic injection-molded part, and that the lower housing part is a deep-drawn metal part. In the latter case, it can further be provided that a connection contact is formed in one piece on the lower housing part, the connection contact being cut out from protrusions of the deep-drawn lower housing part.
  • connection of the lower part of the housing and the cover can take place in that the cover is held by bent holding tabs of the lower part of the housing and in particular further in that a connection contact is designed as a holding tab and extends radially inward from the outer edge of the housing via the cover and then perpendicularly from the cover is turned upwards.
  • the bimetallic switching mechanism has its own (inner) housing in the ( External) housing is arranged.
  • the housing of the temperature switch explained above serves only as an outer housing, while a conventional switchgear completely encapsulated in an inner housing is used in this, which can be taken from the series production of such switching mechanisms. This then does not have to be provided with connecting wires, as is otherwise the case, but rather is used as such directly in the lower part of the outer housing, it being provided that the inner housing has an inner housing pot and an inner housing cover part insulated from it, both from Metal.
  • connection contact is formed in one piece with a spring part which resiliently engages between the cover of the outer housing and the inner housing, the spring part also being formed by spring tabs bent from its plane relative to a connecting web.
  • the circuit board itself can be a conventional one and the temperature switch as such and in connection with other parts, in particular also on one that is optionally provided with electronic elements, can advantageously be fixed in the manner explained, the circuit board is preferably one ring-shaped, on the one hand the circuit board in the area of at least two non-electrically connected interconnects each has an opening at a distance corresponding to the distance of the connecting contacts and on the other hand a slot is formed between the openings, the width of which corresponds to that of an undercut web of the approach.
  • the slot is oriented perpendicular to the radius of the circuit board, on the other hand, slots extending essentially radially parallel to one another extend from the outside of the circuit board, in the middle of which the projection engages with its web, while the connecting contacts protrude through the outer.
  • a circuit board with a temperature switch is created which, in particular in the mechanical and electrical connection of the circuit board itself with the switch, no longer requires any manual work, but rather the connection can take place fully automatically (mechanical and electrical).
  • the manufacture of the temperature switch of the printed circuit board is simplified by the adaptation to it itself and can be automated since there are no longer any connecting wires manually must be soldered or welded to them.
  • the few individual parts of the temperature switch according to the invention can be automatically guided separately from one another in that the pot part of the outer housing is fed into a conveyor device, such as a conveyor chain.
  • the rear deraille with the inner housing are also automatically fed to it by simply shaking them in. They are then picked up by the corresponding processing device and inserted into the pot part.
  • the circuit board according to the invention has a temperature switch 1 with an (outer) housing 2, which has a lower housing part 3 and a housing cover part 4.
  • the bimetallic switching mechanism is accommodated in the housing 2 (not shown in detail), which can also be used as a complete switching mechanism, encapsulated in an inner housing, in the outer housing 2 (see below for this); the open rear derailleur could also be accommodated in the housing 2, which would then form the only housing of the rear derailleur.
  • a fastening or holding attachment 6 extends vertically upward from the cover part 4.
  • the holding projection 6 has two spring legs 11, 11a separated by a slot 12.
  • the legs 11, 11a are provided with undercuts 7, which are formed by holding lugs or shoulders 16 at a distance from the top surface of the cover part 4 on the holding attachment 6 and project laterally from a web part 9 of the holding attachment 6.
  • Recesses 10 are provided between the holding lugs 16 in order to be able to better apply solderings 27 to connecting parts 51 (see below) to be explained.
  • the slot 12, which extends in the longitudinal direction between the legs 11 and extends inwards from the outside perpendicular to the top surface of the cover 4, gives the spring legs 11, 11a their resilient properties.
  • connection lugs 13, 14, which are formed from dimensionally stable metal, also extend perpendicular to the top surface of the lid.
  • the switch 1 described so far is fastened according to FIGS. 4 to 6 in one way or another to an annular printed circuit board 20 for an electric motor.
  • the printed circuit board 20 has one or more conductor tracks 21, 22 which generally only extend over a partial circumference of the printed circuit board 20 and are not in direct electrical contact with one another.
  • the conductor tracks are used to make contact or to connect the coil windings by connecting the coil ends to the corresponding conductor tracks, generally by means of solder contact. which in turn are connected - also soldered - with connecting cables, by means of which the motor is connected to the voltage supply.
  • the coil ends are guided through bores or lateral slots from the side of the printed circuit board 20 facing away from the conductor tracks 21, 22 to the side of the conductor tracks.
  • the connecting cables are guided in the region of a partially circular outer recess of the printed circuit board and from there through adjacent bores and then soldered. This creates a certain strain relief.
  • the circuit board 20 of FIG. 3 now has a slot 23 extending perpendicular to the radius R between the two mutually parallel conductor tracks 21, 22, the length of the length of the extension 6 and its width just the width of the web 9 of the extension 6 corresponds.
  • the switch 1 is positively attached to the printed circuit board 20 by the retaining lug 6 having been inserted through the slot 23 by means of its spring sections which taper towards its free end until the shoulders 16 engage behind the printed circuit board 20, snap over the edges of the slot 23 and thus the Set switch 1 on the circuit board 20.
  • the connection contacts 13, 14 are guided through the openings 24, 26 and extend through them. The contacts 13, 14 are then connected to the conductor tracks 21, 22 by soldering 27 (FIG. 4; not shown in FIG. 3 for the sake of clarity).
  • three parallel slots 31, 32, 33 are provided in the printed circuit board free from its outer edge 28, the middle one of which has a length which again corresponds essentially to the length of the holding projection 6 and its width corresponds to the width of the web 9 of the retaining lug 6 corresponds, while the slots 32, 33 are arranged on both sides of the slot 31 at a distance which essentially corresponds to the distance between the connecting contacts 13, 14 of the switch 1 and the retaining lug 6.
  • the printed circuit board 20 is pushed in the area of the slot 31 between the housing 2 and the shoulders 16 on the retaining projection 6 of the switch 1 in such a way that the web 9 of the retaining projection 6 engages in the slot 31, while the connecting contacts 13, 14 through the slots 32, 33 protrude.
  • the connection contacts 13, 14 lie in the region of conductor tracks 21, 22, which are arranged here on the same circumference, but are electrically separated from one another by the slot 31.
  • soldering points 27 can again be provided for the electrical connection of the connections 13 and 14 to the conductor track regions 21 and 22, respectively.
  • FIGS. 7 and 8 show a preferred embodiment of the temperature switch in a partially sectioned illustration.
  • the temperature switch 1 also has, in a manner known per se, a bimetallic switching mechanism arranged in the inner housing 41, which can itself be designed in various ways.
  • the inner housing 41 consists of a pot part 42 and a cover part 43 which are electrically separated from one another by insulation 44, for example foils made of insulating material or insulating layers, the pot part 42 and cover part 43 being firmly connected to one another by a crimped edge 46 of the pot part 42, the latter being kept isolated from the cover part 43 by the insulation.
  • Pot part 3 and cover part 4 are electrically conductive and are each in electrical connection with one of the two contact parts of the bimetal switchgear which can be brought into contact with one another inside the housing 41, so that they form the two connections for the bimetallic switchgear.
  • the inner housing 41 is inserted into an (outer) housing 2.
  • the outer housing 2 also has a lower housing part 3 on the one hand and a cover part 4 on the other hand.
  • the lower housing part 3 consists of an electrically conductive material, for example steel.
  • the cover part 4 is made of insulating material, such as a high temperature resistant plastic or the like.
  • the cover part 4 is here also provided with a fastening or holding attachment 6, which has a slot 12 between two legs 11, 11a, which are formed and arranged in mirror image with respect to one another, which enables a certain elasticity of the legs 11, 11a perpendicular to their direction of extension .
  • the legs 11, 11a are provided with lugs or shoulders 16, 17 with which they can reach behind electrical circuit boards of different thicknesses, namely on the one hand with a thickness that corresponds to the distance between the shoulder 16 and the outer cover surface 18 of the cover part 4, and on the other hand a circuit board with less thickness, which corresponds to the distance between the shoulder 17 and the outer cover surface 18 of the cover part 4. Furthermore, by far Approach 6 an opening 25 is formed in the cover part 4, through which the connecting leg or contact 13 of a connecting part or contact spring part 51 projects.
  • the contact spring or connecting part 51 has, in addition to the connecting leg 13, a leaf spring part 52 which is formed by a connecting web 56 leading to the connecting leg 13 and by spring legs 53 which are formed in one piece with the connecting web 56 at the end opposite the connecting leg 13 and from the plane of the connecting web 56 are slightly bent out.
  • the connecting leg 13 extends substantially at right angles to the connecting web 56. This configuration allows the spring part 51 with its spring legs 53 and the connecting web 56 to be arranged between the cover part 43 of the inner housing and the cover part 4 of the outer housing 2, the connecting leg 13 being provided with an opening 25 protrudes to the outside of the cover part 4.
  • the spring part 51 with its spring legs 53 is pressed firmly against the conductive cover part 43 of the inner housing 41, so that a reliable Electrical contact between the conductive cover part 43 of the inner housing 41 and the spring part 51 is made so that the latter can be used for contacting the contact leg 22.
  • the contact pressure for the cover part 4 is formed, on the one hand, by tabs 49 formed in one piece on the upper edge 46 of the pot part 3, which are bent under contact pressure over the cover part 4, as can be seen in particular in FIG.
  • a further connecting part 45 is also formed in one piece with the pot part 3, which consists of a connecting part 47 emerging directly at the upper edge 28 of the pot part 3, which is also horizontal is bent over the cover part 4 and exerts a contact pressure on this.
  • the connecting part 47 merges in one piece into the connecting leg 14 which extends perpendicularly from the surface 18 of the cover part 9 and is aligned parallel to the connecting leg 13.
  • the temperature switch in the embodiment explained is in turn intended for use with an electrical circuit board.
  • This has 6 openings in the area of the connecting legs 13, 14 and the connecting extension, the length of which corresponds to the width of the connecting legs 13, 14 and the connecting extension 6 and the width of the thickness of the connecting legs 13, 14 and the strength of the connecting extension 6 in the latter Transition area to the actual cover part 4 corresponds and in particular lies below the distance between the opposite lugs 17 and 16 of the two connecting legs 13, 14.
  • the temperature switch can be connected fully automatically, for example after being fed from a vibrating pot, to a printed circuit board by inserting the extension 6 and the connecting legs 13, 14 through the corresponding openings in the printed circuit board, the leg parts 11, 11a being slightly pressed together, in each case until two Lugs 16 and 17 reach behind the circuit board 6 after passing through the approach and the temperature switch is reliably attached to this. Then the circuit board provided with the temperature switch can again be handled in a simple manner as a protective part. Further contacts can also be made can be carried out fully automatically, in so far as the printed circuit board has conductor tracks which end in the area of the openings receiving the connecting legs 13, 14, only electrical contact connections are made there by means of soldering points to the printed conductor tracks of the printed circuit board.
  • conventional encapsulated bimetallic switchgear can be used, which are not yet provided with connecting cables, simply by inserting them into the outer housing 2, contacting them in the manner described and then the housing in the form described by putting the cover on and fixing it is closed on the lower part. These steps can also be largely or completely automated.
  • the housing dimensions only increase by a fraction of a millimeter compared to the encapsulated rear derailleur.
  • the bimetallic switching mechanism can also be inserted as such into the lower housing part 3 of the housing and this can then be closed in a suitable manner, in addition to the configuration described, in particular ensuring a fluid-tight closure, as is the case with the encapsulated bimetal. Switchgear itself is the case.

Claims (20)

  1. Carte imprimée comportant un commutateur thermostatique, notamment un contrôleur de température pour moteur électrique, dans lequel le commutateur thermostatique comprend :
    . un dispositif de commutation bimétallique dans un boîtier (2), un téton (6) prévu sur ce boîtier présentant deux branches flexibles (11, 11a) avec des épaulements (16) dirigés dans des directions opposées, adaptées pour être insérées et verrouillées dans une ouverture de réception (23) de la carte imprimée (20), et,
    . deux contacts de connexion (13, 14) pour la connexion de deux pistes conductrices (21, 22) isolées l'une de l'autre de la carte imprimée (20),
    . les contacts de connexion (13, 14) étant disposés des deux côtés du téton (6) à proximité de celui-ci.
  2. Carte imprimée selon la revendication, caractérisée en ce que le boîtier (2) du commutateur thermostatique (1) présente une partie inférieure de boîtier (3) électriquement conductrice et une partie formant couvercle (4) en matériau isolant.
  3. Carte imprimée selon l'une des revendications 1 ou 2, caractérisée en ce que le téton (6) présente une fente (12) s'étendant dans sa direction longitudinale et en saillie de l'extérieur vers l'intérieur, les parties du téton (6) formant ses limites latérales constituant des parties flexibles (11).
  4. Carte imprimée selon l'une des revendications 1 ou 2, caractérisée en ce que le téton (6) est conformé d'une seule pièce sur une partie formant couvercle (4) du boîtier (2).
  5. Carte imprimée selon la revendication 4, caractérisée en ce que le téton (6), le cas échéant avec la partie formant couvercle (4), est en matériau plastique extrudé.
  6. Carte imprimée selon l'une des revendications précédentes, caractérisée en ce que la partie inférieure (3) de boîtier est en matériau métallique embouti profond.
  7. Carte imprimée selon l'une des revendications précédentes, caractérisée en ce que l'un des contacts de connexion (14) est conformé d'une seule pièce avec la partie inférieure (3) de boîtier.
  8. Carte imprimée selon la revendication 7, caractérisée en ce que l'un des contacts de connexion (14) est formé par découpe dans des extensions en saillie de la partie inférieure (3) de boîtier emboutie profond.
  9. Carte imprimée selon l'une des revendications précédentes, caractérisée en ce que l'un des contacts de connexion (14) est conformé en languette de maintien (49) et s'étend radialement vers l'intérieur depuis le bord extérieur du boîtier (2) au-dessus de la partie formant couvercle (4), puis est recourbé vers le haut perpendiculairement au couvercle.
  10. Carte imprimée selon l'une des revendications précédentes, caractérisée en ce que le dispositif de commutation bimétallique est placé à l'intérieur du boîtier (2) dans un boîtier intérieur (41) spécifique.
  11. Carte imprimée selon la revendication 10, caractérisée en ce que la partie formant couvercle (4) présente un passage (25) et en ce que l'un des contacts de connexion (51) présente une branche de connexion (13) dépassant vers l'extérieur à travers le passage (25) de la partie formant couvercle (4).
  12. Carte imprimée selon l'une des revendications 10 ou 11, caractérisée en ce que l'un des contacts de connexion (13) est conformé d'une seule pièce avec une partie flexible (52) qui vient en prise de manière élastique entre le couvercle (4) du boîtier extérieur (2) et le boîtier intérieur (41).
  13. Carte imprimée selon la revendication 12, caractérisée en ce que la partie flexible (52) est formée par des languettes flexibles (53) recourbées hors du plan d'une barrette de liaison (56).
  14. Carte imprimée selon l'une des revendications précédentes, caractérisée en ce qu'elle présente, à proximité d'au moins deux pistes conductrices (21, 22) non reliées entre elles électriquement, pour chaque piste un passage (24, 26), l'écartement entre ces passages (24, 26) correspondant à l'écartement des contacts de connexion (13, 14), et en ce qu'une fente (23) est conformée entre les passages (24, 26), la largeur de cette fente (23) correspondant à celle d'une barrette (9) à dépouille inverse du téton (6).
  15. Carte imprimée selon la revendication 14, caractérisée en ce que la fente est dirigée perpendiculairement au rayon de la carte imprimée (20).
  16. Carte imprimée selon l'une des revendications 14 ou 15, caractérisée en ce que des fentes (31 à 33) dirigées sensiblement parallèles les unes aux autres et radiales s'étendent depuis la face extérieure de la carte imprimée (20), le téton (6) étant inséré par sa barrette (9) dans la fente du milieu (31), tandis que les contacts de connexion (13, 14) dépassent à travers celles de l'extérieur.
  17. Carte imprimée selon l'une des revendications 1 à 16, caractérisée en ce que le téton (6) s'étend perpendiculairement à la surface supérieure (18) de la partie formant couvercle (4) du boîtier extérieur (2).
  18. Carte imprimée selon l'une des revendications 1 à 17, caractérisée en ce que les contacts de connexion (13, 14) pour la connexion électrique s'étendent parallèlement au téton (6).
  19. Carte imprimée selon l'une des revendications 11 à 18, caractérisée en ce que l'un des contacts de connexion (51) présente, à la suite de la branche de connexion (13) dépassant du passage (25) de la partie formant couvercle (4) du boîtier extérieur (2), une partie de liaison (56), s'étendant perpendiculairement à cette branche de connexion (13), disposée à l'intérieur du boîtier (2), avec laquelle sont conformées d'une seule pièce des branches flexibles (52) qui sont légèrement recourbées hors du plan de la partie de liaison (56).
  20. Carte imprimée selon l'une des revendications 14 à 19, caractérisée en ce que les découpes arrière (7) de la barrette (9) sont formées par des épaulements à deux arêtes (16, 17) disposées selon des écartements différents par rapport à la surface supérieure (18) de la partie formant couvercle (4) du boîtier extérieur (2).
EP90110937A 1989-07-25 1990-06-09 Thermostat à mécanisme de commutation bimétallique Expired - Lifetime EP0410119B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE8908999U 1989-07-25
DE8908999U DE8908999U1 (fr) 1989-07-25 1989-07-25
DE8915123U 1989-12-23
DE8915123U DE8915123U1 (fr) 1989-12-23 1989-12-23

Publications (3)

Publication Number Publication Date
EP0410119A2 EP0410119A2 (fr) 1991-01-30
EP0410119A3 EP0410119A3 (en) 1991-06-12
EP0410119B1 true EP0410119B1 (fr) 1995-10-18

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Application Number Title Priority Date Filing Date
EP90110937A Expired - Lifetime EP0410119B1 (fr) 1989-07-25 1990-06-09 Thermostat à mécanisme de commutation bimétallique

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US (1) US5046156A (fr)
EP (1) EP0410119B1 (fr)
JP (1) JP2558972Y2 (fr)
DE (1) DE59009787D1 (fr)

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DE19609577C2 (de) * 1996-03-12 1998-02-19 Thermik Geraetebau Gmbh Schalter mit einem temperaturabhängigen Schaltwerk
JP2000217314A (ja) * 1999-01-26 2000-08-04 Mitsubishi Electric Corp スタ―タ
ITMI20040189U1 (it) * 2004-04-27 2004-07-27 Elettrotec Srl Termostato bimetallico con contatto in scambio con circuito stampato interposto tra un elemento termostatico sensibile ed un rele' di scambio
US20090118180A1 (en) * 2005-09-29 2009-05-07 Institut National De La Sante Et De La Recherche Medicale (Inserm) Use of fusion proteins for the prevention or the treatment of pathologies resulting from ischemia
FR2914138B1 (fr) * 2007-03-23 2010-09-10 Cotherm Sa Dispositif de securite et de commande d'un appareil electro-domestique.
FR2951861B1 (fr) 2009-10-27 2011-11-25 Cotherm Sa Thermostat hybride pour chauffe-eau electrique
CN112787432B (zh) * 2019-11-01 2022-10-11 上海海立电器有限公司 一种内置式保护器的基座结构

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Publication number Priority date Publication date Assignee Title
GB1323268A (en) * 1971-04-23 1973-07-11 Jermyn T Jermyn Ind Manufacture of electric components
US4268812A (en) * 1979-06-18 1981-05-19 Satterlee Jesse D Miniature device for sensing overheating of bearings
JPS569774U (fr) * 1979-06-29 1981-01-27
US4314223A (en) * 1980-12-11 1982-02-02 Mcgraw-Edison Company Thermal protective device for lighting fixtures
JPS58150811U (ja) * 1982-04-02 1983-10-08 中遠電子工業株式会社 小型トランス
US4446451A (en) * 1982-12-15 1984-05-01 Texas Instruments Incorporated Thermostat device having improved mounting means
DE3340436A1 (de) * 1983-11-09 1985-05-23 Gerhard 7262 Althengstett Kurz Elektrischer unter- oder ueberdruckschalter
DE8607370U1 (fr) * 1986-03-18 1987-04-16 Hofsaess, Peter, 7530 Pforzheim, De

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Publication number Publication date
US5046156A (en) 1991-09-03
EP0410119A2 (fr) 1991-01-30
JPH0335637U (fr) 1991-04-08
DE59009787D1 (de) 1995-11-23
EP0410119A3 (en) 1991-06-12
JP2558972Y2 (ja) 1998-01-14

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