EP0984224A1 - Display system of a burner - Google Patents
Display system of a burner Download PDFInfo
- Publication number
- EP0984224A1 EP0984224A1 EP99401914A EP99401914A EP0984224A1 EP 0984224 A1 EP0984224 A1 EP 0984224A1 EP 99401914 A EP99401914 A EP 99401914A EP 99401914 A EP99401914 A EP 99401914A EP 0984224 A1 EP0984224 A1 EP 0984224A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- burner
- display system
- electronic box
- burner according
- display
- 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
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/26—Details
- F23N5/265—Details using electronic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2223/00—Signal processing; Details thereof
- F23N2223/20—Opto-coupler
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2223/00—Signal processing; Details thereof
- F23N2223/38—Remote control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2231/00—Fail safe
- F23N2231/20—Warning devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2231/00—Fail safe
- F23N2231/30—Representation of working time
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2233/00—Ventilators
- F23N2233/06—Ventilators at the air intake
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2235/00—Valves, nozzles or pumps
- F23N2235/12—Fuel valves
- F23N2235/14—Fuel valves electromagnetically operated
Definitions
- the present invention relates to an automatic air burner blown, equipped with a display system.
- an automatic forced air burner comprising an electronic control and safety box to control and monitor the burner operating cycle, as well as a system display to display operating information of the burner, said information being transmitted by the box electronic to display system via connecting cables electric.
- the object of the invention is to eliminate the aforementioned drawbacks and to offer a burner equipped with a display system, which allows avoid electromagnetic interference during transmission informations.
- the invention relates to an automatic air burner blown, comprising an electronic control and safety box to control and monitor the burner operating cycle, as well as a display system for displaying relative information during burner operation, which information is transmitted by the aforementioned electronic box, characterized in that the transmission of information from the control unit to the system display is provided by an optical link.
- the information is transmitted without a wired connection, by infrared radiation.
- the display system is supplied with energy by an autonomous current source, by example by batteries.
- the system display is supplied with direct current by a wired link. In the latter case, as the supply current is continuous, it does not not cause electromagnetic disturbances in the electronic box.
- the electronic box and the display system will be fitted with electronic circuits suitable for processing, transmitting and receive infrared signals.
- the burner is equipped with a protective cover inside which the electronic box is housed, said cover comprising a precut dimensioned so as to be able to receive the display system.
- the display system is installed on the burner's protective cover, inside which the electronic box.
- the display system is incorporated in a portable box which will be positioned by the operator at a sufficient distance from the electronic box to receive the signals infrared.
- the system display is equipped with an information output terminal, for its connection to a central processing unit for remote monitoring of the burner.
- the information transmitted by the box electronic display system are: the number of hours of burner operation, number of ignitions, number of burner faults, type of fault, mains voltage, signal burner flame, and / or position in the operating cycle of the burner.
- FIG. 1 there is shown a burner 1 which has a combustion head 2 carried by a housing 3 of a ventilation turbine air, which housing 3 has on its face opposite to the head of combustion 2, an electronic control and safety box 4.
- a protective cover 5 covers the electronic box 4 and is attached to the housing 3.
- the protective cover 5 has through its front wall a precut through which a display system 6 is implemented.
- display system 6 has a module 7 which projects inside of cover 5 and which is capable of receiving infrared signals from of an infrared radiation emitter 8 of the electronic box 4, the transmission of infrared signals being modeled by arrow I.
- the display system module 7 is attached to a front plate 9 which carries a display screen and which bears against the wall cover 5, which allows the operator to view the information directly on the burner hood.
- the display system includes in module 7 batteries for its power supply, these batteries giving the display system autonomy in approximately 50 hours of operation. We can predict that the system display automatically goes to sleep after a period of uninterrupted 5 minutes of non-use.
- the cover 5 is shown in lines interrupted and has been removed, to allow transmission of signals infrared I between the electronic box 4 and the display system 16 which includes the module 7 and the plate 9 incorporated in a housing portable 10 which is independent of the rest of the burner 1.
- the system display 16 may be relatively imprecise, which facilitates its use.
- the housing 10 being larger, it can integrate additional batteries to give the display system greater autonomy.
- the electronic box 4 receives an input signal E1 detection of flame F in combustion head 2, this signal can be supplied by a photoresist cell, a cell with ultraviolet radiation, or by an ionization current circuit.
- the electronic control unit 4 receives a signal via a second input E2 supplied by a pressure switch 20, this pressure switch being connected to the pipe of air from the burner air ventilation turbine and being set to a predetermined pressure value, so as to send a electrical signal to the electronic box, to authorize the continuation of the burner operating cycle, as soon as the pressure switch detects a pressure greater than said predetermined pressure value.
- the electronic box 4 receives this electrical signal by the input E2, it sends a control signal for the fuel supply in the combustion chamber 2, namely gas or fuel.
- the electronic control unit 4 sends the signal control for fuel supply via output S1, for order a solenoid valve 21.
- the control box 4 also controls by the output S2 the power supply to a ventilation motor 22 of the turbine burner air.
- the electronic box 4 also controls by the output S3 the power supply of a transformer 23 to provide a voltage of the order of 17kV to the ignition system of the burner which works by creating an electric arc between two electrodes at inside the combustion chamber.
- the electronic box 4 can also be controlled by the output S4 a servo motor 24 which adjusts the position of an air flap (not shown) on the air intake pipe of the turbine of the burner, to regulate the air flow rate sent to the combustion.
- the servo motor 24 is controlled by a thermostat which is placed on the boiler hot water supply line associated with the burner, to detect the outlet temperature of the boiler. If the outlet temperature of the hot water from the boiler is insufficient, the servo motor 24 causes greater opening the air shutter to further supply the combustion 2 by oxidizing. Under these conditions, the fuel flow increases in proportion to the air flow rate sent to the combustion chamber, because the fuel valve 21 is self-adjusting as a function of air pressure and gas pressure in the combustion chamber 2.
- the display system 6 or 16 can be connected to the telecommunications network, to perform of remote monitoring.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Feeding And Controlling Fuel (AREA)
- Control Of Gas Discharge Display Tubes (AREA)
Abstract
Description
La présente invention concerne un brûleur automatique à air soufflé, équipé d'un système d'affichage.The present invention relates to an automatic air burner blown, equipped with a display system.
On connaít déjà un brûleur automatique à air soufflé, comportant un coffret électronique de commande et de sécurité pour commander et surveiller le cycle de fonctionnement du brûleur, ainsi qu'un système d'affichage pour afficher des informations relatives au fonctionnement du brûleur, lesdites informations étant transmises par le coffret électronique au système d'affichage via des câbles de liaison électriques.We already know an automatic forced air burner, comprising an electronic control and safety box to control and monitor the burner operating cycle, as well as a system display to display operating information of the burner, said information being transmitted by the box electronic to display system via connecting cables electric.
Toutefois, la présence des câbles de liaison électriques entre le coffret électronique et l'afficheur engendre des perturbations électromagnétiques, car les câbles de liaison agissent comme une antenne, ce qui peut provoquer des pannes ou des dérèglements dans le cycle de fonctionnement du brûleur.However, the presence of the electrical connection cables between the electronic box and the display generates disturbances electromagnetic because the connecting cables act as a antenna, which can cause breakdowns or disturbances in the burner operating cycle.
En outre, lorsque l'afficheur est implanté sur le capot de protection du brûleur, lorsque l'on souhaite, pour des raisons d'entretien, retirer le capot, il faut également déconnecter les câbles entre l'afficheur et le coffret électronique.In addition, when the display is installed on the cover of protection of the burner, when desired, for reasons maintenance, remove the cover, you must also disconnect the cables between the display and the electronic unit.
L'invention a pour but d'éliminer les inconvénients précités et de proposer un brûleur équipé d'un système d'affichage, qui permette d'éviter toute perturbation électromagnétique lors de la transmission des informations.The object of the invention is to eliminate the aforementioned drawbacks and to offer a burner equipped with a display system, which allows avoid electromagnetic interference during transmission informations.
A cet effet, l'invention a pour objet un brûleur automatique à air soufflé, comportant un coffret électronique de commande et de sécurité pour commander et surveiller le cycle de fonctionnement du brûleur, ainsi qu'un système d'affichage pour afficher des informations relatives au fonctionnement du brûleur, lesquelles informations sont transmises par le coffret électronique précité, caractérisé par le fait que la transmission des informations du coffret électronique vers le système d'affichage est assurée par une liaison optique. De préférence, la transmission des informations s'effectue sans liaison filaire, par rayonnement infrarouge.To this end, the invention relates to an automatic air burner blown, comprising an electronic control and safety box to control and monitor the burner operating cycle, as well as a display system for displaying relative information during burner operation, which information is transmitted by the aforementioned electronic box, characterized in that the transmission of information from the control unit to the system display is provided by an optical link. Preferably, the information is transmitted without a wired connection, by infrared radiation.
Dans une première forme de réalisation, le système d'affichage est alimenté en énergie par une source de courant autonome, par exemple par des piles. Dans une autre forme de réalisation, le système d'affichage est alimenté en courant continu par une liaison filaire. Dans ce dernier cas, comme le courant d'alimentation est continu, il ne risquera pas d'engendrer des perturbations électromagnétiques dans le coffret électronique.In a first embodiment, the display system is supplied with energy by an autonomous current source, by example by batteries. In another embodiment, the system display is supplied with direct current by a wired link. In the latter case, as the supply current is continuous, it does not not cause electromagnetic disturbances in the electronic box.
Ainsi, si les piles sont épuisées ou si une panne quelconque se produit dans le système d'affichage, cela ne risque pas d'affecter le fonctionnement normal du brûleur.Thus, if the batteries are exhausted or if any failure occurs product in the display system, this will not affect the normal burner operation.
Bien entendu, le coffret électronique et le système d'affichage seront équipés de circuits électroniques adaptés pour traiter, émettre et recevoir les signaux infrarouges.Of course, the electronic box and the display system will be fitted with electronic circuits suitable for processing, transmitting and receive infrared signals.
Avantageusement, le brûleur est équipé d'un capot de protection à l'intérieur duquel est logé le coffret électronique, ledit capot comportant une prédécoupe dimensionnée de façon à pouvoir recevoir le système d'affichage.Advantageously, the burner is equipped with a protective cover inside which the electronic box is housed, said cover comprising a precut dimensioned so as to be able to receive the display system.
Dans une première variante, le système d'affichage est implanté sur le capot de protection du brûleur à l'intérieur duquel est logé le coffret électronique.In a first variant, the display system is installed on the burner's protective cover, inside which the electronic box.
Dans une autre variante, le système d'affichage est incorporé dans un boítier portatif qui sera positionné par l'opérateur à une distance suffisante du coffret électronique pour recevoir les signaux infrarouges.In another variant, the display system is incorporated in a portable box which will be positioned by the operator at a sufficient distance from the electronic box to receive the signals infrared.
Selon une autre caractéristique de l'invention, le système d'affichage est équipé d'une borne de sortie des informations, pour sa connexion à une unité centrale de traitement pour la télésurveillance du brûleur.According to another characteristic of the invention, the system display is equipped with an information output terminal, for its connection to a central processing unit for remote monitoring of the burner.
A titre d'exemple, les informations transmises par le coffret électronique au système d'affichage sont : le nombre d'heures de fonctionnement du brûleur, le nombre d'allumages, le nombre de pannes du brûleur, le type de panne, la tension du secteur, le signal de flamme du brûleur, et/ou la position dans le cycle de fonctionnement du brûleur.For example, the information transmitted by the box electronic display system are: the number of hours of burner operation, number of ignitions, number of burner faults, type of fault, mains voltage, signal burner flame, and / or position in the operating cycle of the burner.
Pour mieux faire comprendre l'objet de l'invention, on va en décrire maintenant, à titre d'exemples purement illustratifs et non limitatifs, deux modes de réalisation représentés sur le dessin annexé.To better understand the object of the invention, we will describe now, by way of purely illustrative examples and not limiting, two embodiments shown in the accompanying drawing.
Sur ce dessin :
- la figure 1 est une vue très schématique et en plan d'un premier mode de réalisation du brûleur de l'invention ;
- la figure 2 est une vue analogue à la figure 1, mais représentant un autre mode de réalisation de l'invention ; et
- la figure 3 est un schéma synoptique fonctionnel du brûleur de l'invention.
- Figure 1 is a very schematic and plan view of a first embodiment of the burner of the invention;
- Figure 2 is a view similar to Figure 1, but showing another embodiment of the invention; and
- FIG. 3 is a functional block diagram of the burner of the invention.
Sur la figure 1, on a représenté un brûleur 1 qui comporte une
tête de combustion 2 portée par un boítier 3 d'une turbine de ventilation
d'air, lequel boítier 3 comporte sur sa face opposée à la tête de
combustion 2, un coffret électronique de commande et de sécurité 4.
Un capot de protection 5 vient recouvrir le coffret électronique 4 et est
fixé sur le boítier 3.In Figure 1, there is shown a
Le capot de protection 5 comporte à travers sa paroi frontale une
prédécoupe à travers laquelle est implanté un système d'affichage 6. Le
système d'affichage 6 comporte un module 7 qui fait saillie à l'intérieur
du capot 5 et qui est apte à recevoir des signaux infrarouges provenant
d'un émetteur à rayonnement infrarouge 8 du coffret électronique 4, la
transmission des signaux infrarouges étant modélisée par la flèche I. Le
module 7 du système d'affichage 6 est attaché à une plaquette frontale 9
qui porte un écran de visualisation et qui vient en appui contre la paroi
extérieure du capot 5, ce qui permet à l'opérateur de visualiser les
informations directement sur le capot du brûleur.The
Bien que cela ne soit pas représenté, le système d'affichage
comporte dans le module 7 des piles pour son alimentation en énergie,
ces piles conférant au système d'affichage une autonomie en
fonctionnement d'environ 50 heures. On peut prévoir que le système
d'affichage se mette automatiquement en veille, après une période
ininterrompue de 5 minutes de non-utilisation.Although not shown, the display system
includes in
Dans la variante de la figure 2, le capot 5 est représenté en traits
interrompus et a été retiré, pour permettre la transmission des signaux
infrarouges I entre le coffret électronique 4 et le système d'affichage 16
qui comporte le module 7 et la plaquette 9 incorporés dans un boítier
portatif 10 qui est indépendant du reste du brûleur 1. Comme la
transmission des informations par rayonnement infrarouge peut
s'effectuer à plusieurs mètres de distance, le positionnement du système
d'affichage 16 par rapport au coffret électronique 4 pourra être
relativement imprécis, ce qui facilite son utilisation.In the variant of Figure 2, the
Dans le cas du système d'affichage portatif 16, le boítier 10 étant
plus volumineux, il pourra intégrer des piles supplémentaires pour
conférer au système d'affichage une autonomie supérieure.In the case of the
En se référant à la figure 3, on va maintenant décrire les
différentes informations que peut transmettre le coffret électronique 4
vers le système d'affichage 6.Referring to Figure 3, we will now describe the
different information that the electronic box can transmit 4
to the
Le coffret électronique 4 reçoit par une entrée E1 un signal de
détection de la flamme F dans la tête de combustion 2, ce signal
pouvant être fourni par une cellule photorésistante, une cellule à
rayonnement ultraviolet, ou par un circuit à courant d'ionisation. Le
coffret électronique 4 reçoit par une deuxième entrée E2 un signal
fourni par un manostat 20, ce manostat étant branché sur la canalisation
d'air provenant de la turbine de ventilation d'air du brûleur et étant
réglé à une valeur de pression prédéterminée, de manière à envoyer un
signal électrique au coffret électronique, pour autoriser la poursuite du
cycle de fonctionnement du brûleur, dès que le manostat détecte une
pression supérieure à ladite valeur de pression prédéterminée. Lorsque
le coffret électronique 4 reçoit ce signal électrique par l'entrée E2, il
envoie un signal de commande pour l'alimentation en carburant dans la
chambre de combustion 2, à savoir du gaz ou du fuel.The
Le coffret électronique de commande 4 envoie le signal de
commande pour l'alimentation en carburant via la sortie S1, pour
commander une électrovanne 21.The
Le coffret de commande 4 commande également par la sortie S2
l'alimentation électrique d'un moteur de ventilation 22 de la turbine à
air du brûleur.The
Le coffret électronique 4 commande également par la sortie S3
l'alimentation électrique d'un transformateur 23 pour fournir une
tension de l'ordre de 17kV au système d'allumage du brûleur qui
fonctionne par la création d'un arc électrique entre deux électrodes à
l'intérieur de la chambre de combustion.The
Le coffret électronique 4 peut commander également par la sortie
S4 un servo-moteur 24 qui permet de régler la position d'un volet d'air
(non représenté) sur la canalisation d'aspiration d'air de la turbine du
brûleur, pour régler le débit d'air envoyé vers la chambre de
combustion. Le servo-moteur 24 est asservi à un thermostat qui est
placé sur la canalisation de départ d'eau chaude de la chaudière
associée au brûleur, pour détecter la température de sortie de la
chaudière. Si la température de sortie de l'eau chaude de la chaudière
est insuffisante, le servo-moteur 24 provoque une plus grande
ouverture du volet d'air pour alimenter davantage la chambre de
combustion 2 en comburant. Dans ces conditions, le débit de carburant
augmente de manière proportionnelle au débit d'air envoyé dans la
chambre de combustion, car la vanne de carburant 21 est auto-adaptative
en fonction de la pression d'air et de la pression de gaz dans
la chambre de combustion 2.The
Bien que cela ne soit pas représenté, le système d'affichage 6 ou
16 peut être connecté au réseau de télécommunications, pour effectuer
de la télésurveillance.Although not shown, the
Bien que l'invention ait été décrite en liaison avec des modes de réalisation particuliers, il est bien évident qu'elle n'y est nullement limitée et qu'elle comprend tous les équivalents techniques des moyens décrits ainsi que leurs combinaisons si celles-ci entrent dans le cadre de l'invention.Although the invention has been described in connection with modes of particular realization, it is quite obvious that it is not there at all limited and that it includes all the technical equivalents of the means described as well as their combinations if these fall within the scope of the invention.
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9810946A FR2782782B1 (en) | 1998-09-02 | 1998-09-02 | BURNER WITH DISPLAY SYSTEM |
FR9810946 | 1998-09-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0984224A1 true EP0984224A1 (en) | 2000-03-08 |
EP0984224B1 EP0984224B1 (en) | 2002-05-02 |
Family
ID=9530039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99401914A Expired - Lifetime EP0984224B1 (en) | 1998-09-02 | 1999-07-27 | Display system of a burner |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0984224B1 (en) |
AT (1) | ATE217068T1 (en) |
DE (1) | DE69901374T2 (en) |
FR (1) | FR2782782B1 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5596863A (en) * | 1979-01-20 | 1980-07-23 | Matsushita Electric Ind Co Ltd | Remote controller installed in bathroom |
JPS5668727A (en) * | 1979-11-09 | 1981-06-09 | Matsushita Electric Ind Co Ltd | Controller for combustor |
JPS6099928A (en) * | 1983-11-02 | 1985-06-03 | Osaka Gas Co Ltd | Gas intercepting device |
EP0421550A1 (en) * | 1989-10-06 | 1991-04-10 | Nefit Fasto B.V. | Method for the accomodation of a control system for a heating installation with a burner, and a control system for such an installation |
EP0566177A1 (en) * | 1992-03-27 | 1993-10-20 | Encon B.V. | Automatic burner control device for a gas appliance, suitable in particular for a boiler of a central heating system. |
-
1998
- 1998-09-02 FR FR9810946A patent/FR2782782B1/en not_active Expired - Fee Related
-
1999
- 1999-07-27 AT AT99401914T patent/ATE217068T1/en not_active IP Right Cessation
- 1999-07-27 EP EP99401914A patent/EP0984224B1/en not_active Expired - Lifetime
- 1999-07-27 DE DE69901374T patent/DE69901374T2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5596863A (en) * | 1979-01-20 | 1980-07-23 | Matsushita Electric Ind Co Ltd | Remote controller installed in bathroom |
JPS5668727A (en) * | 1979-11-09 | 1981-06-09 | Matsushita Electric Ind Co Ltd | Controller for combustor |
JPS6099928A (en) * | 1983-11-02 | 1985-06-03 | Osaka Gas Co Ltd | Gas intercepting device |
EP0421550A1 (en) * | 1989-10-06 | 1991-04-10 | Nefit Fasto B.V. | Method for the accomodation of a control system for a heating installation with a burner, and a control system for such an installation |
EP0566177A1 (en) * | 1992-03-27 | 1993-10-20 | Encon B.V. | Automatic burner control device for a gas appliance, suitable in particular for a boiler of a central heating system. |
Non-Patent Citations (3)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 004, no. 143 (M - 035) 8 October 1980 (1980-10-08) * |
PATENT ABSTRACTS OF JAPAN vol. 005, no. 131 (M - 084) 21 August 1981 (1981-08-21) * |
PATENT ABSTRACTS OF JAPAN vol. 009, no. 249 (M - 419) 5 October 1985 (1985-10-05) * |
Also Published As
Publication number | Publication date |
---|---|
FR2782782B1 (en) | 2001-01-12 |
ATE217068T1 (en) | 2002-05-15 |
DE69901374T2 (en) | 2002-11-28 |
EP0984224B1 (en) | 2002-05-02 |
DE69901374D1 (en) | 2002-06-06 |
FR2782782A1 (en) | 2000-03-03 |
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