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EP1124405B1 - Systeme pour chauffage par induction et analogues pourvu d'un maintenance en ligne - Google Patents

Systeme pour chauffage par induction et analogues pourvu d'un maintenance en ligne Download PDF

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Publication number
EP1124405B1
EP1124405B1 EP00954681A EP00954681A EP1124405B1 EP 1124405 B1 EP1124405 B1 EP 1124405B1 EP 00954681 A EP00954681 A EP 00954681A EP 00954681 A EP00954681 A EP 00954681A EP 1124405 B1 EP1124405 B1 EP 1124405B1
Authority
EP
European Patent Office
Prior art keywords
generator
heating
induction
personal computer
connector
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
EP00954681A
Other languages
German (de)
English (en)
Other versions
EP1124405A1 (fr
Inventor
Enrique Juan Dede Garcia-Santamaria
José Vicente VIDAL MAS
César CASES SANCHIS
José Antonio CARRASCO HERNANDEZ
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.)
GH Electrotermia SA
Original Assignee
GH Electrotermia SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GH Electrotermia SA filed Critical GH Electrotermia SA
Publication of EP1124405A1 publication Critical patent/EP1124405A1/fr
Application granted granted Critical
Publication of EP1124405B1 publication Critical patent/EP1124405B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/101—Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power

Definitions

  • the invention refers to an online maintenance system for induction heating and similar installations providing local and/or remote control and verifying means of the various operating parameters of the induction heating system which is materialised in a generator.
  • Another object of the invention consists, on one hand, in providing the generator with means that facilitate and simplify the replacement of the main electronic components composing it and, on the other hand, to arrange a system of remote assistance allowing the operator of the generator to be guided in the maintenance and technical service works by a remote technician.
  • the invention allows to establish a videoconference between the local operator and a remote technician, in such a manner that the operator may show parts of the generator to the remote technician so that together with the aforementioned objects, repair and/or replacement of the main electronic components composing the generator is enormously facilitated by making the simultaneous transmission of data, sound and video.
  • the invention is especially applicable in induction heating generators employed in multiple applications, as for example in the heating of metals for obtaining a change in the physical parameters of the metal, or for tempering a piece or parts thereof etc., but it may obviously also be applied in any electronic device requiring a constant and specialised maintenance.
  • the heating produced varies depending of the parameters of the generating current, this allowing to control said heating with great accuracy.
  • the generators are provided with a series of power modules which, in the majority of the applications, are refrigerated by means of a water circuit for which purpose the power modules are arranged on water-refrigerated radiators. Furthermore, they are provided with the electrical power connection and communication connectors between modules.
  • the whole assembly is located within a case that includes the water inlet and outlet connections as well as the electric power connection and the communication connectors. Furthermore, the various elements that enable the correct performance of the generator and which need not be commented for being very well known and for not contributing to a better understanding of the novelty of the invention being dealt with, are included in the case.
  • the invention provides improvements in generators for heating metals, of the type described in the preceding section, wherein one of the improvements resides in the fact that the power modules are mounted on different plates which are held to a telescopic guide, which in turn are supported at the frame of the case; wherein furthermore at least one connector for each module is included, from which at least one connector arranged in correspondence with the frame emerges. Due to the application, the connectors are for power.
  • each plate is provided with quick inlet and outlet connections of water to the refrigeration circuit.
  • This structure has the advantage that in the case of failure, the replacement of the module is carried out by pulling it, so that the telescopic guide is shifted and the module is disconnected from the connector at the frame. Furthermore, in the case that it is refrigerated by water, the water inlet and outlet conducts to the case are closed to allow the release of the quick water inlet and outlet connections to the module, and the module is replaced by a new one in the reverse order that has been described.
  • At least one connector provided for each module at the frame is a female connector and that of the module is a male connector.
  • the plates are arranged vertically and parallel to enhance refrigeration, for which purpose the telescopic guides are fixed parallel and horizontally to the frame.
  • Another improvement of the invention resides in the fact that a duly programmed and personal-computer based communication system being connected to the generator and to a local personal computer and/or to a remote personal computer, is provided to control the operating parameters of the generator, locally and/or remotely, and to test possible damages or malfunctions in real time.
  • the communications system comprises a console that is connected to a video camera, for establishing a direct-link videoconference (online: RS 232, basic telephone network, through local network or Internet) between a local operator and a remote technician such that the local operator may show the parts of the generator to the remote technician who additionally knows the operating parameters of the generator being transmitted through the communications system, so that he can request the local operator to make complementary measurements at the parts which he is showing by the camera, so as to find out the nature of the damage, there is no need for the specialist technician to travel to repair the generators. Due to the nature of the equipments, these travels involve in many occasions very long distances, as for example in the case of repairs in different countries where the specialist technicians stay. Thus, the described structure of the invention presents the great advantage that damage repairing can be carried out quickly and simply by the operator of the generator himself, guided by the remotely assisted specialist technician, so that time and costs for repairs are reduced to the maximum.
  • a direct-link videoconference online: RS 232, basic telephone network, through local network or Internet
  • the communication system comprises high and low frequency signal acquisition boards to display signals and waveforms as well as the status parameters of the generator, to the remote technician.
  • the communication system includes a high-speed data acquisition board comprising, among other elements, an oscilloscope for measuring the parameters.
  • the communication system comprises a low-speed data acquisition board being used for measuring the basic parameters such as the opening of the door, temperature, etc., the corresponding central processing unit connected to the communication line and which includes the corresponding software and hardware for establishing the videoconference by means of the camera and the corresponding audio devices.
  • the generator is housed in a case 1 at whose frame 2 there are supported the different elements composing it, as for example the control panel 3, the corresponding differential 4, the power contactor 5, power supply transformer 6, ground connection 7, filters 8, protection contactors 9, protection fuses 10 for the three phases, etc.
  • This part of the generator is not being described with more detail for not being the object of the invention and for being known.
  • the generator includes a series of power modules 11 which are refrigerated by radiators that are part of a water circuit.
  • the case 1 includes water inlet and outlet connections 13.
  • the modules are mounted on different plates 17 in which there is established a water refrigerating circuit, whose pipes 16 are provided with quick connectors 18-18'.
  • a module 11 may be constituted by one or more plates 17 such that each module 11 is fixed to a telescopic guide 19 supported at the frame 2, for which purpose at said frame 2 there are provided profiles 20 with an inverted U-shape to which the telescopic guides 19 are fixed by means of tabs 21.
  • the telescopic guides 19 are arranged parallel and horizontally such that the plates 17 are arranged parallel and vertically, to facilitate refrigeration.
  • the generator is connected to a duly programmed communication system 24 at which the measurement of the different parameters of the generator that are of interest, are received such as will be described hereafter.
  • the communication system 24 may be connected to a local personal computer 25 and to a remote personal computer 26 through the corresponding communication line 27 such that the operating parameters of the generator can be known remotely and locally.
  • the communication system 24 includes a console connected to a video camera 28 and to an audio system 32 so that a video conference is directly established between the operator of the generator and the remote specialist technician who can show parts of the generator to the specialist technician, who can in turn ask the former to make complementary measurements in addition to those he already knows through the communication system 24, whereby the specialist technician can detect the damage from a remote site and the operator of the generator may carry out the replacement of the damaged module 11 in a fast and simple manner or any other operation required, thereby when the generator breaks down or adjustment thereof is not correct, its repair is carried out in a minimum of time.
  • the communication system 24 comprises high and low frequency signal acquisition boards, so as to display signals and waveforms as well as parameters of the status of the generator, to the remote technician.
  • the communication system 24 includes a high-speed data acquisition board 29 comprising, among other elements, an oscilloscope for carrying out the measurement of the parameters.
  • the communication system comprises a low-speed data acquisition board 30 being used for measuring the basic parameters such as the opening of the door, temperatures, etc.
  • the communication system 24 includes the corresponding central processing unit 31 connected to the communication line 27 and which includes the necessary input software and hardware for establishing the videoconference by means of the camera 28 and the corresponding audio system 32.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Induction Heating (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Claims (8)

  1. Système pour chauffage par induction et similaires, pourvu d'une maintenance en ligne, applicable dans des générateurs qui comprennent une série de modules de génération de puissance (11), positionné au niveau d'un bâti (2) sur une armoire (1); dans lequel les différents éléments conventionnels qui permettent le fonctionnement correct du générateur sont par ailleurs inclus ; caractérisé en ce que les modules de génération de puissance (11) sont montés sur différentes plaques (17) qui sont maintenues sur un guide télescopique (19) qui est supporté à son tour sur le bâti (2) de l'armoire (1), le bâti (2) comprenant par ailleurs au moins un connecteur (22) pour chaque module (11) ; à partir de l'une des plaques (17) de chaque module (11) émergeant au moins un connecteur (23) arrangé en correspondance avec le connecteur (22) du bâti ; tout ceci pour exécuter le remplacement éventuel de chaque module (11) en le tirant pour l'extraire et le remplacer.
  2. Système pour chauffage par induction et similaires, pourvu d'une maintenance en ligne, selon la revendication 1, caractérisé en ce que le au moins un connecteur (22) par module (11) prévu sur le bâti (2), est un connecteur femelle, et le connecteur (23) qui émerge à partir de l'une des plaques de chaque module (11) est un connecteur mâle.
  3. Système pour chauffage par induction et similaires, pourvu d'une maintenance en ligne, selon la revendication 1, caractérisé en ce que les plaques (17) sont arrangées verticalement et en parallèle de façon à améliorer le refroidissement.
  4. Système pour chauffage par induction et similaires, pourvu d'une maintenance en ligne, selon l'une quelconque des revendications précédentes, caractérisé en ce que les modules de génération de puissance (11) sont refroidis par de l'eau, lesdits modules de génération de puissance (11) étant arrangés, pour ce fait, sur des radiateurs (12) à travers lesquels circule de l'eau, le bâti (1) comprenant des connexions de sortie et d'arrivée d'eau (13) ; et dans lequel chaque plaque (17) comprend des connecteurs à désengagement rapide (18 et 18') pour le circuit de refroidissement de telle sorte que, pour remplacer le module de génération de puissance (11), les connecteurs à désengagement rapide (18 et 18') sont désengagés après que les conduites de sortie et d'arrivée d'eau (13) au niveau du bâti (1) ont été fermées.
  5. Système pour chauffage par induction et similaires pourvu d'une maintenance en ligne, selon la revendication 1, caractérisé en ce que, un système de communication (24) basé sur un ordinateur personnel et programmé de manière appropriée est prévu, qui est connecté au générateur et à un ordinateur personnel local (25) et/ou à un ordinateur personnel distant (26) dans le but d'acquérir, localement et/ou à distance, les paramètres de fonctionnement du générateur.
  6. Système pour chauffage par induction et similaires, pourvu d'une maintenance en ligne, selon les revendications 1 et 5, caractérisé en ce que le système de communication (24) comprend une console reliée à une caméra vidéo (28) et à un dispositif audio (32) dans le but d'établir une vidéoconférence en lien direct entre un opérateur local et un technicien distant par le biais de l'ordinateur personnel local (25) et de l'ordinateur personnel distant (26), de façon à ce que l'opérateur local puisse montrer des pièces du générateur au technicien distant.
  7. Système pour chauffage par induction et similaires pourvu d'une maintenance en ligne, selon les revendications 1 et 5, caractérisé en ce que le système de communication (24) comprend des cartes d'acquisition de signaux de hautes et de basses fréquences (33) pour afficher des signaux et des formes d'ondes ainsi que des paramètres de l'état du générateur, à l'attention du technicien distant.
  8. Système pour chauffage par induction et similaires, pourvu d'une maintenance en ligne, selon la revendication 6, caractérisé en ce que, en plus de la caméra vidéo (28), le système de communication (24) comprend : une carte d'acquisition de données à vitesse rapide (29) comprenant, entre autres éléments, un oscilloscope pour mesurer les paramètres, et une autre carte d'acquisition de données à vitesse lente (30) pour mesurer les paramètres de base, comme, par exemple, l'ouverture de la porte, la température ; une unité centrale de traitement (31) qui est reliée à la ligne de communication (27) pour établir la vidéoconférence au moyen de la caméra (28) et du dispositif audio correspondant (32) et pour envoyer les différents paramètres du générateur vers l'ordinateur personnel local (25) et vers l'ordinateur personnel distant (26).
EP00954681A 1999-08-19 2000-08-11 Systeme pour chauffage par induction et analogues pourvu d'un maintenance en ligne Expired - Lifetime EP1124405B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ES9901910A ES2153795B1 (es) 1999-08-19 1999-08-19 Sistema para calentamiento por induccion y similares, con mantenimiento en linea.
ES9901910 1999-08-19
PCT/ES2000/000322 WO2001015495A1 (fr) 1999-08-19 2000-08-11 Systeme pour chauffage par induction et analogues pourvu d'un maintenance en ligne

Publications (2)

Publication Number Publication Date
EP1124405A1 EP1124405A1 (fr) 2001-08-16
EP1124405B1 true EP1124405B1 (fr) 2007-11-21

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Application Number Title Priority Date Filing Date
EP00954681A Expired - Lifetime EP1124405B1 (fr) 1999-08-19 2000-08-11 Systeme pour chauffage par induction et analogues pourvu d'un maintenance en ligne

Country Status (4)

Country Link
EP (1) EP1124405B1 (fr)
DE (1) DE60037177D1 (fr)
ES (1) ES2153795B1 (fr)
WO (1) WO2001015495A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3956673A (en) * 1974-02-14 1976-05-11 Lockheed Aircraft Corporation Printed circuit modules cooled by rack with forced air
US4493010A (en) * 1982-11-05 1985-01-08 Lockheed Corporation Electronic packaging module utilizing phase-change conductive cooling
FR2565714A1 (fr) * 1984-06-08 1985-12-13 Applic Chauffage Cie Indle Procede et systeme de surveillance et de gestion a distance exploites et consultes par terminal videotex
US4845328A (en) * 1988-01-13 1989-07-04 Contour Hardening Investors, Ltd. Apparatus for and method of induction-hardening machine components
US5165049A (en) * 1990-04-02 1992-11-17 Inductotherm Corp. Phase difference control circuit for induction furnace power supply
ES2103387T3 (es) * 1992-03-25 1997-09-16 Meidensha Electric Mfg Co Ltd Maquina para la produccion de tubos.

Also Published As

Publication number Publication date
ES2153795B1 (es) 2001-08-16
ES2153795A1 (es) 2001-03-01
DE60037177D1 (de) 2008-01-03
WO2001015495A1 (fr) 2001-03-01
EP1124405A1 (fr) 2001-08-16

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