FR2852669A3 - Thermocouple for electric valves for gas burners has earth connection arrangement with clamping sleeve that can be laterally clamped onto outer surface of electric valve connector - Google Patents

Thermocouple for electric valves for gas burners has earth connection arrangement with clamping sleeve that can be laterally clamped onto outer surface of electric valve connector Download PDF

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Publication number
FR2852669A3
FR2852669A3 FR0310297A FR0310297A FR2852669A3 FR 2852669 A3 FR2852669 A3 FR 2852669A3 FR 0310297 A FR0310297 A FR 0310297A FR 0310297 A FR0310297 A FR 0310297A FR 2852669 A3 FR2852669 A3 FR 2852669A3
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FR
France
Prior art keywords
thermocouple
clamping sleeve
terminal
connection arrangement
earth connection
Prior art date
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Granted
Application number
FR0310297A
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French (fr)
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FR2852669B3 (en
Inventor
Vicent Manuel Valls
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Publication of FR2852669A3 publication Critical patent/FR2852669A3/en
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Publication of FR2852669B3 publication Critical patent/FR2852669B3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N1/00Regulating fuel supply
    • F23N1/002Regulating fuel supply using electronic means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N5/00Systems for controlling combustion
    • F23N5/02Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/10Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples
    • F23N5/107Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples using mechanical means, e.g. safety valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N2229/00Flame sensors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N2900/00Special features of, or arrangements for controlling combustion
    • F23N2900/05101Connections between thermocouple and magnetic valves, e.g. by plug and socket connectors

Abstract

The thermocouple (1) has a first cable (2) for the phase for connection to one connector of the electric valve and a second cable (3) with an earth connection arrangement. The earth connection arrangement has a clamping sleeve (5) that can be laterally clamped onto an outer surface of the connector. The clamping sleeve consists of an elastic material for clamping onto the outer surface under pressure.

Description

La présente invention se rapporte à un thermocouple pour électrovalves deThe present invention relates to a thermocouple for solenoid valves of

brûleurs de gaz qui facilite les opérations de montage et de fabrication de ce thermocouple.  gas burners which facilitates the assembly and manufacturing operations of this thermocouple.

ANTECEDENTS DE L'INVENTION Les thermocouples sont constitués par deux fils de matières différentes, lesdits fils étant réunis par soudure à l'une de leurs extrémités. Si l'on chauffe la soudure au moyen d'une source de chaleur telle qu'une flamme, il se produit un courant électrique sous l'effet de la chaleur.  BACKGROUND OF THE INVENTION Thermocouples consist of two wires of different materials, said wires being joined by welding at one of their ends. If the solder is heated by a heat source such as a flame, an electric current is produced by the effect of heat.

Les thermocouples utilisés dans les brûleurs de gaz ont pour mission de 10 commander le passage de gaz vers ces brûleurs, en provoquant la fermeture d'une électrovalve lorsque la flamme s'éteint.  The thermocouples used in gas burners have the task of controlling the passage of gas to these burners, by causing the closing of an electrovalve when the flame goes out.

De cette façon, le courant engendré par la flamme dans le thermocouple est mis à profit pour maintenir excitée une bobine présente dans l'électrovalve. Lorsque la flamme s'éteint, le courant cesse et la valve se ferme.  In this way, the current generated by the flame in the thermocouple is used to keep excited a coil present in the solenoid valve. When the flame goes out, the current stops and the valve closes.

Il est donc évident qu'il y a lieu d'établir une connexion électrique entre l'électrovalve et le thermocouple. Comme on l'a déjà dit plus haut, le thermocouple est composé de deux fils ou câbles dont l'un est utilisé comme conducteur de phase et l'autre est connecté à la masse.  It is therefore obvious that an electrical connection must be established between the solenoid valve and the thermocouple. As mentioned above, the thermocouple is made up of two wires or cables, one of which is used as a phase conductor and the other of which is connected to ground.

Le système utilisé jusqu'à présent consiste à connecter le fil de phase à l'électrovalve au moyen d'une tête femelle qui s'emboîte sur une borne de ladite valve.  The system used until now consists in connecting the phase wire to the solenoid valve by means of a female head which fits on a terminal of said valve.

La connexion du câble de masse s'effectue habituellement en la réunissant directement à un élément métallique quelconque comme, par exemple, le châssis d'un appareil de chauffage. Cette opération peut être laborieuse et, normalement, on doit prévoir des moyens accessoires pour réaliser la connexion, par exemple des cosses ou des vis. 25 DESCRIPTION DE L'INVENTION L'objectif du thermocouple de la présente invention consiste à éliminer les inconvénients que présentent les dispositifs connus dans la technique en apportant en supplément une série d'avantages qui seront décrits ci-après.  The connection of the ground cable is usually carried out by joining it directly to any metallic element such as, for example, the chassis of a heater. This operation can be laborious and, normally, accessory means must be provided to make the connection, for example lugs or screws. DESCRIPTION OF THE INVENTION The objective of the thermocouple of the present invention is to eliminate the drawbacks of devices known in the art by providing in addition a series of advantages which will be described below.

Le thermocouple pour électrovalves de brûleurs de gaz de la présente invention 30 est du type qui comprend un premier câble de phase pouvant être accouplé à une borne de l'électrovalve et un deuxième câble équipé de moyens de connexion à la masse et il est caractérisé en ce que les moyens de liaison à la masse comprennent une cosse pouvant être accouplée latéralement à la surface externe de ladite borne.  The thermocouple for gas burner solenoid valves of the present invention is of the type which comprises a first phase cable which can be coupled to a terminal of the solenoid valve and a second cable equipped with means for connection to ground and is characterized in that the ground connection means comprise a lug which can be coupled laterally to the external surface of said terminal.

Grâce à ces caractéristiques, la connexion de masse s'effectue rapidement et de façon simple. Il n'est pas nécessaire de chercher un logement adéquat dans lequel on pourra réaliser la mise à la masse, puisqu'elle s'effectue en même temps que la connexion du câble de phase, sans exiger aucun type d'accessoire ni d'outillage complémentaire.  Thanks to these characteristics, the ground connection is carried out quickly and easily. It is not necessary to look for an adequate housing in which one can carry out the grounding, since it is carried out at the same time as the connection of the phase cable, without requiring any type of accessory or tool. complementary.

Selon une réalisation de la présente invention, ladite cosse est composée d'une matière élastique pour permettre son accouplement par pression à la surface externe de ladite borne.  According to an embodiment of the present invention, said terminal is made of an elastic material to allow its coupling by pressure to the external surface of said terminal.

De cette façon, la fixation se réalise de façon plus sûre et plus rapide. 10 BREVE DESCRIPTION DES DESSINS Afin de faciliter la description de ce qui a été exposé plus haut, on joint des dessins sur lesquels on représente schématiquement et à titre d'exemple non limitatif un cas pratique de réalisation du thermocouple de l'invention, sur lesquels: la Figure 1 est une représentation du thermocouple de l'invention; la Figure 2 est une représentation de la connexion du câble du thermocouple à la masse; la Figure 3 est une représentation d'une deuxième forme de réalisation du thermocouple; la Figure 4 est une représentation de la connexion du câble du thermocouple à la 20 masse, selon la deuxième forme de réalisation.  In this way, the fixing is carried out in a safer and faster way. 10 BRIEF DESCRIPTION OF THE DRAWINGS In order to facilitate the description of what has been explained above, there are attached drawings in which there is shown schematically and by way of nonlimiting example a practical embodiment of the thermocouple of the invention, in which : Figure 1 is a representation of the thermocouple of the invention; Figure 2 is a representation of the connection of the thermocouple cable to ground; Figure 3 is a representation of a second embodiment of the thermocouple; Figure 4 is a representation of the connection of the thermocouple cable to ground, according to the second embodiment.

DESCRIPTION D'UNE REALISATION PREFEREE  DESCRIPTION OF A PREFERRED EMBODIMENT

Comme on peut l'apprécier sur la Figure 1, le thermocouple 1 comprend un premier câble de phase 2 et un deuxième câble 3 pour la connexion à la masse. A leurs extrémités, se trouve une tête 4 destinée à recevoir la chaleur de la flamme d'un brûleur 25 et à laquelle les deux câbles 2, 3 sont soudés.  As can be seen in Figure 1, the thermocouple 1 includes a first phase cable 2 and a second cable 3 for connection to ground. At their ends, there is a head 4 intended to receive the heat from the flame of a burner 25 and to which the two cables 2, 3 are welded.

A leurs extrémités opposées, les câbles présentent des moyens de liaison 5, 6, parce qu'il est prévu de connecter le câble 2 à une électrovalve et le câble 3 à la masse.  At their opposite ends, the cables have connecting means 5, 6, because provision is made to connect the cable 2 to a solenoid valve and the cable 3 to ground.

On peut tirer parti du corps de l'électrovalve elle-même pour réaliser la connexion à la masse, puisque, normalement, ce corps est en contact avec le châssis du dispositif qui 30 contient le brûleur.  One can take advantage of the body of the solenoid valve itself to make the connection to ground, since, normally, this body is in contact with the chassis of the device which contains the burner.

De cette façon, la chaleur de la flamme engendre un courant qui circule dans les câbles et qui est mis à profit pour activer ou désactiver ladite valve.  In this way, the heat of the flame generates a current which circulates in the cables and which is used to activate or deactivate said valve.

Sur la Figure 2, on peut observer en détail les moyens de liaison des deux câbles.  In Figure 2, we can observe in detail the connecting means of the two cables.

Le câble 2 est isolé au moyen d'un revêtement approprié et il est muni d'un connecteur 6 qui transmet l'énergie à un bobinage logé dans l'électrovalve (non représenté) à travers un conducteur femelle intérieur 8 qui s'accouple à un autre conducteur mâle complémentaire 9 présent sur la borne 7 de connexion de l'électrovalve.  The cable 2 is insulated by means of a suitable covering and it is provided with a connector 6 which transmits energy to a winding housed in the solenoid valve (not shown) through an internal female conductor 8 which mates with another complementary male conductor 9 present on the connection terminal 7 of the solenoid valve.

Le câble de masse 3 est muni d'une cosse conductrice 5.  The ground cable 3 is provided with a conductive lug 5.

Le connecteur 6 présente une surface isolante 10 qui évite que les conducteurs de phase 8, 9 et les conducteurs de connexion à la masse 5, 11 n'entrent en contact électrique. La surface 1 1 est en contact avec la carcasse de l'électrovalve, de sorte que 10 la connexion peut se réaliser en accouplant la cosse 5 à la surface 11 de la borne 7 de l'électrovalve.  The connector 6 has an insulating surface 10 which prevents the phase conductors 8, 9 and the ground connection conductors 5, 11 from coming into electrical contact. The surface 1 1 is in contact with the carcass of the solenoid valve, so that the connection can be made by coupling the terminal 5 to the surface 11 of the terminal 7 of the solenoid valve.

La réalisation représentée sur les Figures 3 et 4 montrent une cosse 5 de plus petite longueur. Avec cette configuration, ladite cosse 5 est seulement en contact avec la surface 11, ce qui facilite son accouplement à celle-ci, puisqu'il y a moins de surface de 15 contact et qu'on a donc moins d'effort à déployer, et réduit aussi les coûts de fabrication.  The embodiment shown in Figures 3 and 4 show a terminal 5 of shorter length. With this configuration, said terminal 5 is only in contact with the surface 11, which facilitates its coupling to the latter, since there is less contact surface and there is therefore less effort to deploy, and also reduces manufacturing costs.

Comme on peut l'observer, l'extrémité 12 qui connecte la cosse 5 au câble est disposée avec ses languettes orientées vers l'extérieur de manière qu'elle n'entre pas en contact avec la surface 10 et qu'elle ne gêne pas pour connecter correctement la cosse 5.  As can be observed, the end 12 which connects the terminal 5 to the cable is arranged with its tongues oriented towards the outside so that it does not come into contact with the surface 10 and that it does not interfere to correctly connect the terminal 5.

Comme on l'a déjà exposé, le thermocouple de l'invention permet que la connexion n'occupe qu'un espace minime et qu'elle puisse être réalisée rapidement avec un mouvement simple.  As already explained, the thermocouple of the invention allows the connection to occupy only a minimal space and that it can be carried out quickly with a simple movement.

Claims (2)

REVENDICATIONS 1. Thermocouple (1) pour électrovalves de brûleurs de gaz, qui comprend un premier cable de phase (2) pouvant être accouplé à une borne (7) de l'électrovalve et un deuxième câble (3) équipé de moyens de liaison à la masse, caractérisé en ce que les moyens de liaison à la masse comprennent une cosse (5) pouvant être accouplée latéralement à la surface extérieure (11) de ladite borne (7).  1. Thermocouple (1) for solenoid valves for gas burners, which comprises a first phase cable (2) which can be coupled to a terminal (7) of the solenoid valve and a second cable (3) equipped with means for connection to the ground, characterized in that the ground connection means comprise a terminal (5) which can be coupled laterally to the external surface (11) of said terminal (7). 2. Thermocouple (1) selon la revendication 1,caractérisé en ce que ladite cosse (7) est faite d'une matière élastique pour permettre son accouplement à pression à la surface externe (11) de ladite borne (7). 10  2. Thermocouple (1) according to claim 1, characterized in that said terminal (7) is made of an elastic material to allow its pressure coupling to the external surface (11) of said terminal (7). 10
FR0310297A 2003-03-18 2003-08-29 THERMOCOUPLE FOR ELECTROVALVES OF GAS BURNERS Expired - Lifetime FR2852669B3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES200300672U ES1054376Y (en) 2003-03-18 2003-03-18 THERMOPAR FOR GAS BURNER ELECTROVALVULES.

Publications (2)

Publication Number Publication Date
FR2852669A3 true FR2852669A3 (en) 2004-09-24
FR2852669B3 FR2852669B3 (en) 2005-02-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
FR0310297A Expired - Lifetime FR2852669B3 (en) 2003-03-18 2003-08-29 THERMOCOUPLE FOR ELECTROVALVES OF GAS BURNERS

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DE (1) DE20315440U1 (en)
ES (1) ES1054376Y (en)
FR (1) FR2852669B3 (en)
GB (1) GB2399680A (en)
IT (1) ITMI20030260U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20110737A1 (en) * 2011-08-05 2013-02-06 Illinois Tool Works ARRANGEMENT OF THERMOCOUPLE ON AN ASSOCIATED COOKING AND THERMOCOUPLE PLAN
WO2013021321A1 (en) * 2011-08-10 2013-02-14 Whirlpool Corporation Connector member for electrically connecting a thermocouple to a safety valve in a gas cooking hob

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITSV20030013A1 (en) * 2003-03-31 2004-10-01 Cast Srl PIN TO CONNECT A THERMOCOUPLE TO A GROUP
WO2007019885A1 (en) * 2005-08-17 2007-02-22 Castfutura S.P.A. Bipolar electrical connector particularly for connecting flame detector thermocouples to a magnetic assembly controlling gas flow in a burner
SI2589117T1 (en) 2010-06-30 2018-02-28 Sabaf S.P.A. Electrical connection for connecting a thermocouple to the magnet assembly of a safety cock for gas supply"

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0882315A1 (en) * 1996-02-20 1998-12-09 Fritz von Paris KG Plug-type connector
ITPD20020092A1 (en) * 2002-04-11 2003-10-13 Gasco Srl THERMOCOUPLE SAFETY DEVICE, PARTICULARLY FOR GAS BURNERS.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20110737A1 (en) * 2011-08-05 2013-02-06 Illinois Tool Works ARRANGEMENT OF THERMOCOUPLE ON AN ASSOCIATED COOKING AND THERMOCOUPLE PLAN
WO2013021342A3 (en) * 2011-08-05 2013-05-02 Illinois Tool Works Inc. Thermocouple arrangement on a cooking range and associated thermocouple
WO2013021321A1 (en) * 2011-08-10 2013-02-14 Whirlpool Corporation Connector member for electrically connecting a thermocouple to a safety valve in a gas cooking hob

Also Published As

Publication number Publication date
DE20315440U1 (en) 2003-12-11
ES1054376Y (en) 2004-02-16
ITMI20030260V0 (en) 2003-05-30
FR2852669B3 (en) 2005-02-04
ES1054376U (en) 2003-07-16
GB2399680A (en) 2004-09-22
GB0326257D0 (en) 2003-12-17
ITMI20030260U1 (en) 2004-09-19

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