EP1298679A1 - Electropneumatic pilot - Google Patents

Electropneumatic pilot Download PDF

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Publication number
EP1298679A1
EP1298679A1 EP20020292342 EP02292342A EP1298679A1 EP 1298679 A1 EP1298679 A1 EP 1298679A1 EP 20020292342 EP20020292342 EP 20020292342 EP 02292342 A EP02292342 A EP 02292342A EP 1298679 A1 EP1298679 A1 EP 1298679A1
Authority
EP
European Patent Office
Prior art keywords
movable core
pilot
fluid
flux ring
characterized
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.)
Granted
Application number
EP20020292342
Other languages
German (de)
French (fr)
Other versions
EP1298679B1 (en
Inventor
Jean-Marc Balat
Franck Derouet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asco SAS
Original Assignee
Asco SAS
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Filing date
Publication date
Priority to FR0112609 priority Critical
Priority to FR0112609A priority patent/FR2830368B1/en
Application filed by Asco SAS filed Critical Asco SAS
Publication of EP1298679A1 publication Critical patent/EP1298679A1/en
Application granted granted Critical
Publication of EP1298679B1 publication Critical patent/EP1298679B1/en
Application status is Expired - Fee Related legal-status Critical
Anticipated expiration legal-status Critical

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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/06Electromagnets; Actuators including electromagnets
    • H01F7/08Electromagnets; Actuators including electromagnets with armatures
    • H01F7/10Electromagnets; Actuators including electromagnets with armatures specially adapted for alternating current
    • H01F7/12Electromagnets; Actuators including electromagnets with armatures specially adapted for alternating current having anti-chattering arrangements
    • H01F7/1205Electromagnets; Actuators including electromagnets with armatures specially adapted for alternating current having anti-chattering arrangements having short-circuited conductors

Abstract

The electropneumatic drive has a flux ring (23) between the moving center (20) and the outer (22) and body sections (17) electromagnetic sub assembly (10). The flux ring pushes on the center spring return and has a longitudinal slot (24) aligning with a passage (26) in the body allowing the release of exhaust gases (25).

Description

La présente invention est relative à des perfectionnements apportés à des pilotes électro-pneumatiques. The present invention relates to improvements in electro-pneumatic pilot. Elle vise plus particulièrement un pilote de petites dimensions (c'est-à-dire présentant une longueur de l'ordre de 3 cm), et de faible puissance, ayant des interfaces électrique standard et pneumatique simple à mettre en place, ce qui permet de réaliser des ensembles du type cartouche. It relates more particularly to a driver of small dimensions (that is to say having a length of about 3 cm), and low-power, having standard and simple pneumatic electrical interfaces to set up, which allows to carry out assemblies of the cartridge type.

Le problème technique qu'entend résoudre l'invention est celui qui consiste à obtenir une excellente optimisation du circuit magnétique et du circuit de fluide, ceci avec une faible augmentation du prix de revient. The technical problem solved What the invention is that of obtaining an excellent optimization of the magnetic circuit and fluid circuit, this with a small increase in cost.

La solution à ce problème technique est apportée, selon la présente invention, par un pilote électro-pneumatique caractérisé en ce qu'il comporte une bague de flux interposée entre le noyau mobile, l'étrier et la carcasse du sous-ensemble électromagnétique du pilote, ladite bague prenant appui sur le ressort de rappel du noyau mobile et étant munie d'une fente longitudinale coopérant avec des passages correspondants prévus dans la carcasse, entre le noyau mobile et cette dernière, pour le passage du fluide vers l'échappement du pilote. The solution to this technical problem is provided, according to the present invention, by an electro-pneumatic actuator characterized in that it comprises a flow ring interposed between the movable core, the clamp and the casing of the electromagnetic subassembly of the pilot , said ring bearing on the return spring of the movable core and being provided with a longitudinal slot cooperating with corresponding passages provided in the casing, between the movable core and the latter, for passage of fluid to the pilot exhaust .

Selon un mode de réalisation préféré de la présente invention, la carcasse présente une section de forme elliptique et l'on ménage dans son alésage destiné à recevoir le noyau mobile, des canaux latéraux pour le passage du fluide vers l'échappement, ces canaux communiquant avec la fente de la bague de flux. According to a preferred embodiment of the present invention, the casing has an elliptical cross-section and one household in its bore intended to receive the movable core, lateral channels for the passage of the fluid towards the exhaust, these channels communicating with the slot of the flux ring.

Selon la présente invention, l'interface électrique du sous-ensemble électromagnétique du pilote est réalisée par l'intermédiaire de deux pinoches pouvant se brancher sur des connecteurs de circuits imprimés standard. According to the present invention, the electrical interface of the electromagnetic subassembly of the driver is carried out by means of two pinoches can be plugged on standard printed circuit connectors.

D'autres caractéristiques et avantages de la présente invention ressortiront de la description faite ci-après, en référence aux dessins annexés qui en illustrent un exemple de réalisation dépourvu de tout caractère limitatif. Other features and advantages of the present invention emerge from the description given hereinafter with reference to the accompanying drawings which illustrate an embodiment having no limiting character. Sur les dessins : In the drawings:

  • la figure 1 est une coupe axiale longitudinale d'un pilote électro-pneumatique selon la présente invention ; FIG 1 is a longitudinal axial section of an electro-pneumatic actuator according to the present invention;
  • la figure 2 est une coupe selon 2-2 de la figure 1 ; Figure 2 is a section along 2-2 of Figure 1;
  • la figure 3 est une coupe selon 3-3 de la figure 1 ; Figure 3 is a section along 3-3 of Figure 1;
  • la figure 4 est une coupe axiale verticale, passant par l'étrier du sous-ensemble électro-magnétique du pilote illustré par la figure 1 ; Figure 4 is a vertical axial section passing through the yoke of the electromagnetic subassembly of the pilot shown in Figure 1;
  • la figure 5 est une coupe selon 5-5 de la figure 6 représentant un double pilote réalisé conformément à l'invention, par l'assemblage de deux pilotes selon les figures 1 à 4 et Figure 5 is a section along 5-5 of Figure 6 showing a double driver constructed in accordance with the invention, by assembling two pilots according to Figures 1 to 4 and
  • la figure 6 est une coupe selon 6-6 de la figure 5. Figure 6 is a section along 6-6 of Figure 5.

En se référant aux dessins et plus particulièrement aux figures 1 à 4, on voit que le pilote selon la présente invention comporte comme connu un sous-ensemble électromagnétique désigné par la référence 10, sur lequel vient se monter un sous-ensemble de commutation pneumatique 12. Ce dernier comporte la voie d'admission de pression 14 et la voie d'utilisation 13 ainsi qu'un clapet 15 servant d'organe d'obturation à la voie d'admission de pression 14, ce clapet 15 étant monté dans une plaque 16 dans laquelle est ménagé le siège de ce clapet. Referring to the drawings and more particularly to Figures 1 to 4 it is seen that the driver according to the present invention comprises as known electromagnetic subassembly designated by reference numeral 10, on which is mounting a 12 pneumatic switching subassembly . the latter includes the route of pressure inlet 14 and the route of use 13 and a valve 15 serving as a closing member to the pressure inlet channel 14, this valve 15 being mounted in a plate 16 in which is provided the seat of this valve.

Le sous-ensemble électromagnétique 10 comporte une carcasse 17 recevant la bobine 18 de l'électro-aimant, l'alésage interne de la carcasse 17 recevant la culasse fixe 19 ainsi que le noyau mobile 20 de l'électro-aimant. The electromagnetic subassembly 10 includes a frame 17 receiving the coil 18 of the electromagnet, the internal bore of the casing 17 receiving the fixed yoke 19 and the movable core 20 of the electromagnet. Ce noyau mobile 20 est rappelé par un ressort 21. Les éléments constitutifs de ce sous-ensemble 10 sont maintenus dans un étrier 22. Il s'agit là de dispositions connues de l'Homme de l'art et pour ces raisons, toute description complémentaire paraít superflue. The movable core 20 is biased by a spring 21. The components of the subassembly 10 are held in a bracket 22. This is known provisions of the Man of art and for these reasons, any description complementary seems superfluous.

Selon la présente invention, on interpose une bague de flux 23 entre le noyau mobile 20, l'étrier 22 et la carcasse 17, cette bague venant prendre appui sur le ressort 21 du noyau mobile 20, ainsi qu'on le voit clairement sur les figures 1 et 4. La bague de flux 23 comporte une fente longitudinale 24 (voir les figures 2 et 4) de façon à permettre le passage du fluide vers la voie d'échappement 25. A cet effet, la carcasse 17 comporte des canaux latéraux 26 débouchant d'une part sur la fente 24 et d'autre part sur l'échappement 25. Grâce à cette disposition, on obtient une meilleure optimisation du circuit magnétique et du circuit de fluide, pour un faible surcoût dû à la présence de la bague de flux fendue, cette dernière permettant le passage du fluide dans la culasse. According to the present invention, there is interposed a flux ring 23 between the movable core 20, the yoke 22 and the carcass 17, the ring coming to bear on the spring 21 of the movable core 20, as is clearly seen in figures 1 and 4. the flux ring 23 has a longitudinal slot 24 (see figures 2 and 4) so ​​as to allow the passage of fluid to the exhaust path 25. for this purpose, the frame 17 comprises lateral channels 26 opening on the one hand on the slot 24 and the other on the exhaust 25. with this arrangement, a better optimization of the magnetic circuit and the fluid circuit is obtained for a small additional cost due to the presence of ring of split flow, the latter allowing the passage of fluid in the cylinder head.

Selon la présente invention, la fente 24 est dimensionnée de façon à obtenir le débit requis sur la voie d'échappement 25. La bague de flux 23 maintenue par le ressort 21 du noyau mobile 20, sort suffisamment de son logement dans l'étrier 22 pour permettre un passage du fluide malgré la présence du ressort 21. On notera que la bague de flux participe également au centrage des divers éléments décrits ci-dessus, constituant le sous-ensemble électromagnétique 10 du pilote selon la présente invention. According to the present invention, the slot 24 is dimensioned so as to obtain the required flow of the exhaust path 25. The flux ring 23 held by the spring 21 of the movable core 20, out sufficiently from the slot in the bracket 22 to allow passage of the fluid despite the presence of the spring 21. Note that the flux ring also participates in the centering of the various elements described above, constituting the electromagnetic subassembly 10 of the driver according to the present invention.

Dans l'exemple de réalisation illustré ici, la carcasse 17 présente une section de forme sensiblement elliptique (voir la figure 3). In the exemplary embodiment illustrated here, the carcass 17 has a substantially elliptical cross-section (see Figure 3). Les canaux latéraux 26 communiquant avec la fente 24 de la bague de flux 23, sont ménagés longitudinalement dans l'alésage de la carcasse 17 recevant le noyau mobile 20. Cette caractéristique, c'est-à-dire la section elliptique de la carcasse 17, permet, pour une même largeur, de réaliser facilement les passages de fluide et d'augmenter le volume du cuivre de la bobine 18. The side channels 26 communicating with the slot 24 of the flux ring 23, are arranged longitudinally in the bore of the casing 17 receiving the movable core 20. This feature, that is to say the elliptical section of the carcass 17 allows, for the same width, to easily carry the fluid passages and increase the volume of copper of the coil 18.

L'interface électrique du sous-ensemble électromagnétique 10 est réalisée par l'intermédiaire de deux pinoches telles que 27 pouvant se brancher sur des connecteurs de circuits imprimés standard. The electrical interface of the electromagnetic subassembly 10 is made by means of two pinoches such as 27 that can be plugged on standard printed circuit connectors.

L'invention permet notamment de réaliser des ensembles constitués par le couplage et l'assemblage de plusieurs pilotes tels que décrits ci-dessus. The invention enables in particular to produce assemblies constituted by the coupling and assembly of multiple drivers as described above. Ainsi, on a représenté sur les figures 5 et 6, une double pilote dans lequel chacun des pilotes 30, 30' présente les caractéristiques du pilote illustré par les figures 1 à 4. Thus, there is shown in Figures 5 and 6, a double pilot wherein each of the drivers 30, 30 'has the characteristics of the driver shown in Figures 1 to 4.

Il demeure bien entendu que la présente invention n'est pas limitée aux exemples de réalisation décrits et représentés ci-dessus, mais qu'elle en englobe toutes les variantes. It remains understood that the invention is not limited to the embodiments described and represented above, but that it encompasses all variants.

Claims (3)

  1. Pilote électro-pneumatique, caractérisé en ce qu' il comporte une bague de flux (23) interposée entre le noyau mobile (20), l'étrier (22) et la carcasse (17), du sous-ensemble électromagnétique (10) du pilote, cette bague de flux (23) prenant appui sur le ressort de rappel (21) du noyau (20) et étant munie d'une fente longitudinale (24) coopérant avec des passages correspondants (26) prévus dans la carcasse (17), entre le noyau (20) et cette dernière, pour le passage du fluide vers l'échappement (25). Electropneumatic pilot, characterized in that it comprises a flux ring (23) interposed between the movable core (20), the bracket (22) and the carcass (17) of the electromagnetic subassembly (10) pilot, this flow ring (23) bearing on the return spring (21) of the core (20) and being provided with a longitudinal slot (24) cooperating with corresponding passages (26) provided in the casing (17) between the core (20) and the latter for the passage of fluid to the outlet (25).
  2. Pilote électro-pneumatique selon la revendication 1, caractérisé en ce que la carcasse (17) présente une section de forme elliptique et elle comporte, dans son alésage destiné à recevoir le noyau mobile (20), des canaux latéraux (26) qui communiquent avec la fente (24) de la bague de flux (23), pour permettre le passage du fluide vers l'échappement (25). Electropneumatic pilot according to claim 1, characterized in that the carcass (17) has an elliptical cross-section and it comprises, in its bore intended to receive the movable core (20), side channels (26) communicating with the slot (24) of the flux ring (23) to allow passage of fluid to the outlet (25).
  3. Pilote électro-pneumatique selon l'une des revendications 1 ou 2, caractérisé en ce que l'interface électrique du sous-ensemble électromagnétique (10) est réalisée par l'intermédiaire de deux pinoches (27) pouvant se brancher sur des connecteurs de circuits imprimés standard. Electropneumatic pilot according to one of claims 1 or 2, characterized in that the electrical interface of the electromagnetic subassembly (10) is formed by means of two pinoches (27) can be plugged on circuit connectors standard printed.
EP20020292342 2001-10-01 2002-09-24 Electropneumatic pilot Expired - Fee Related EP1298679B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0112609 2001-10-01
FR0112609A FR2830368B1 (en) 2001-10-01 2001-10-01 electro-pneumatic pilot

Publications (2)

Publication Number Publication Date
EP1298679A1 true EP1298679A1 (en) 2003-04-02
EP1298679B1 EP1298679B1 (en) 2008-12-10

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Family Applications (1)

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EP20020292342 Expired - Fee Related EP1298679B1 (en) 2001-10-01 2002-09-24 Electropneumatic pilot

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EP (1) EP1298679B1 (en)
AT (1) AT417351T (en)
DE (1) DE60230222D1 (en)
FR (1) FR2830368B1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9645584B2 (en) 2014-09-17 2017-05-09 Honeywell International Inc. Gas valve with electronic health monitoring
US9657946B2 (en) 2012-09-15 2017-05-23 Honeywell International Inc. Burner control system
US9683674B2 (en) 2013-10-29 2017-06-20 Honeywell Technologies Sarl Regulating device
US9835265B2 (en) 2011-12-15 2017-12-05 Honeywell International Inc. Valve with actuator diagnostics
US9841122B2 (en) 2014-09-09 2017-12-12 Honeywell International Inc. Gas valve with electronic valve proving system
US9846440B2 (en) 2011-12-15 2017-12-19 Honeywell International Inc. Valve controller configured to estimate fuel comsumption
US9851103B2 (en) 2011-12-15 2017-12-26 Honeywell International Inc. Gas valve with overpressure diagnostics
US10422531B2 (en) 2012-09-15 2019-09-24 Honeywell International Inc. System and approach for controlling a combustion chamber

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8905063B2 (en) 2011-12-15 2014-12-09 Honeywell International Inc. Gas valve with fuel rate monitor
US9074770B2 (en) 2011-12-15 2015-07-07 Honeywell International Inc. Gas valve with electronic valve proving system
US9557059B2 (en) 2011-12-15 2017-01-31 Honeywell International Inc Gas valve with communication link
US8899264B2 (en) 2011-12-15 2014-12-02 Honeywell International Inc. Gas valve with electronic proof of closure system
US9995486B2 (en) 2011-12-15 2018-06-12 Honeywell International Inc. Gas valve with high/low gas pressure detection
US10024439B2 (en) 2013-12-16 2018-07-17 Honeywell International Inc. Valve over-travel mechanism
US8839815B2 (en) 2011-12-15 2014-09-23 Honeywell International Inc. Gas valve with electronic cycle counter
US8947242B2 (en) 2011-12-15 2015-02-03 Honeywell International Inc. Gas valve with valve leakage test

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2410320A (en) * 1945-06-28 1946-10-29 Phillips Control Corp Shaded pole construction for solenoids
US4200972A (en) * 1977-07-18 1980-05-06 Robertshaw Controls Company Method of manufacturing a solenoid
US5127625A (en) * 1990-02-19 1992-07-07 Avl Medical Instruments Ag Electromagnetically actuated valve

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2410320A (en) * 1945-06-28 1946-10-29 Phillips Control Corp Shaded pole construction for solenoids
US4200972A (en) * 1977-07-18 1980-05-06 Robertshaw Controls Company Method of manufacturing a solenoid
US5127625A (en) * 1990-02-19 1992-07-07 Avl Medical Instruments Ag Electromagnetically actuated valve

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9851103B2 (en) 2011-12-15 2017-12-26 Honeywell International Inc. Gas valve with overpressure diagnostics
US9835265B2 (en) 2011-12-15 2017-12-05 Honeywell International Inc. Valve with actuator diagnostics
US9846440B2 (en) 2011-12-15 2017-12-19 Honeywell International Inc. Valve controller configured to estimate fuel comsumption
US9657946B2 (en) 2012-09-15 2017-05-23 Honeywell International Inc. Burner control system
US10422531B2 (en) 2012-09-15 2019-09-24 Honeywell International Inc. System and approach for controlling a combustion chamber
US9683674B2 (en) 2013-10-29 2017-06-20 Honeywell Technologies Sarl Regulating device
US9841122B2 (en) 2014-09-09 2017-12-12 Honeywell International Inc. Gas valve with electronic valve proving system
US9645584B2 (en) 2014-09-17 2017-05-09 Honeywell International Inc. Gas valve with electronic health monitoring

Also Published As

Publication number Publication date
DE60230222D1 (en) 2009-01-22
FR2830368A1 (en) 2003-04-04
AT417351T (en) 2008-12-15
FR2830368B1 (en) 2003-12-19
EP1298679B1 (en) 2008-12-10

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