An overvoltage protection device having a casing with an internal space, an earth branch, a positive branch, and a negative branch that join. The device also has an earth connector, n1 positive connectors, n1 being greater or equal to 3, and n2 negative connectors, n2 being greater than or equal to 3.
A surge protection device has a first connection terminal and a second connection terminal. A first set of protection components having a first varistor and a gas discharge tube are connected to each other by a thermofusible connection with a first arc-breaking device having an insulating flap configured to move when the thermofusible connection changes from a connected state to a disconnected state. The first set of protection components has a flexible braid that is welded to the gas discharge tube and electrically connected to a connection piece that is electrically connected to the second connection terminal that has a flexible braid and capable of being deforming in order to allow the gas discharge tube to move away from the first varistor.
H01H 37/76 - Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
3.
Gas-filled spark gap with high follow current extinction capacity
A gas-filled spark gap 2 for the protection of an electrical installation includes a gastight casing 4 and two elongate electrodes 13, 14 delimiting between them an inter-electrode space. The inter-electrode space includes successively a striking chamber 17 and an arc-extinguishing chamber 20 for extinguishing the electrical arc. The arc-extinguishing chamber 20 includes mutually spaced divider plates 29. The gas-filled spark gap 2 also includes two connecting terminals 11, 12 accessible from outside the casing 4 and intended to enable electrical connection of the gas-filled spark gap 2 to the electrical installation. The two connecting terminals 11, 12 are respectively electrically connected to the two electrodes 13, 14. Finally, the gas-filled spark gap 2 includes an inert gas trapped in the casing 4.
A method of manufacturing an overvoltage protection device and a protection device obtained via the method are described. The method includes the steps of (1) electrically connecting a first electrode of a first protection element to a first electrode of a second protection element via a heat-sensitive disconnector device, (2) procuring a pre-assembled arc-extinguishing device that has a cassette, an insulating blade mobile inside the cassette, and at least one elastic element, and (3) moving the arc-extinguishing device until it reaches a final mounting position in which the heat-sensitive disconnector device bears against the insulating blade and pushes the insulating blade in the direction of a retracted position.
H02H 9/04 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
H02H 5/04 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
A protection device against pulsed currents intended to transmit signals having frequencies lying in a transmission frequency band. The protection device has a signal conduction path and a shielding disposed around the signal conduction path. The signal conduction path has two spark gaps mounted in series and an inductor element linking a portion of the signal conduction path situated between the spark gaps. The inductor element is linked to the shielding. The protection device is configured as a high-pass filter allowing passage over the signal conduction path of the signals having frequencies lying within the transmission frequency band.
09 - Scientific and electric apparatus and instruments
Goods & Services
Scientific apparatus and instruments, for use in the following fields: Remote inspection and centralised command of surge, static or lightning protection installations; Lightning arrester equipment, for use in the following fields: Photovoltaics.
7.
Surge protection device integrating a current measurement sensor
The invention relates to a surge protection device intended to be installed on an electrical installation, in parallel with one or more items of equipment to be protected, said electrical installation comprising at least one first phase line (L1), a neutral line (N) and an earth line (T), the protection device comprising a casing; and a current measurement toroid, which is housed in the casing and which comprises a central opening, through which a detection portion passes that is disposed in a surge current diversion path.
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
G01R 19/165 - Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
H02H 3/10 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current additionally responsive to some other abnormal electrical conditions
16 - Paper, cardboard and goods made from these materials
28 - Games; toys; sports equipment
35 - Advertising and business services
38 - Telecommunications services
45 - Legal and security services; personal services for individuals.
Goods & Services
Printed matter; Bookbinding material; Photographs [printed]; Stationery; Adhesives for stationery or household purposes; Artists' materials; Office requisites, except furniture; Teaching materials [except apparatus]; Printing type; Printing blocks; Paper; Cardboard; Boxes of paper or cardboard; Posters; Albums; Postcards; Greeting cards; Books; Newspapers; Periodicals; Prospectuses; Pamphlets; Calendars; Engravings or lithographic works of art; Paintings [pictures], framed or unframed; Aquarelles; Graphic prints; Handkerchiefs of paper; Face towels of paper; Table linen of paper; Bags (envelopes, pouches) of paper or plastics, for packaging; Paper and cardboard, untreated, semi-finished or for stationery; Almanacs; Printed matter; Magazines [periodicals]; Trade journals; Illustrated cards of paper or cardboard; Bookmarkers; Bookends; Photo-engravings; Graphic and photographic representations and reproductions; Book covers; Printed publications; Children's books incorporating an audio component. Games; Toys; Playground balls; Playing cards; Table-top games; Toy models; Toy figures. Advertising and marketing services; Publication of publicity materials; Preparation and realization of media and advertising plans and concepts; Production of advertising films; Publication and dissemination of advertising matter on media of all kinds, Amongst others Publishing and dissemination of advertising in the press, on the radio, television and/or on global telecommunications networks (such as the internet) and/or private or restricted access networks (such as an intranet); Advertising agencies; Communications agencies; Public relations services, namely Consultancy relating to advertising, Marketing consultancy and Consultancy relating to communications strategy; Consultancy, in relation to the following fields: Media facilities namely Communication consultancy, Amongst others, in relation to the following fields: Press products, Radios, Television and Global telecommunications networks (the internet) or private or restricted access networks (intranet); Production and dissemination of advertising material (printed or digital), such as leaflets, prospectuses, samples, display stands, booklets; Presentation of goods on communication media, for retail purposes; Arranging subscriptions to telecommunications services; Organization of exhibitions for commercial or advertising purposes; Online advertising on a computer network; Rental of advertising time on communication media; Publication of advertising literature; Rental of advertising space; News clipping services; Sales promotion for others; Arranging of subscriptions to online publications, for others; Promotional marketing. Providing access to a global computer network; Electronic bulletin board services [telecommunications services]; Providing telecommunications connections to a global computer network; Providing of telecommunications access to video content provided via the internet; Providing access to electronic publications; Providing of chatrooms for the transmission of messages between users; Providing access to weblogs; Leasing access time to a computer database. Legal services; Mediation; Opening of security locks; Rental of clothing; Legal research; Intellectual property consultancy; Leasing of internet domain names; Online social networking services.
14 - Precious metals and their alloys; jewelry; time-keeping instruments
16 - Paper, cardboard and goods made from these materials
28 - Games; toys; sports equipment
35 - Advertising and business services
41 - Education, entertainment, sporting and cultural services
45 - Legal and security services; personal services for individuals.
Goods & Services
Jewellery; Ornaments [jewellery, jewelry (Am.)]; Precious stones; Chronometric apparatus and instruments; Precious metals and their alloys; Works of art of precious metal; Jewel cases; Boxes of precious metal; Watch cases [parts of watches]; Watch bands; Watch chains; Watch springs; Watch glasses; Key rings [split rings with trinket or decorative fob]; Statues of precious metal; Figurines of precious metal; Cases for clock- and watchmaking; Cases for watches [presentation]; Medals. Printed matter; Bookbinding material; Photographs [printed]; Stationery; Adhesives for stationery or household purposes; Artists' materials; Office requisites, except furniture; Teaching materials [except apparatus]; Printing type; Printing blocks; Paper; Cardboard; Boxes of paper or cardboard; Posters; Albums; Postcards; Greeting cards; Books; Newspapers; Periodicals; Prospectuses; Pamphlets; Calendars; Engravings or lithographic works of art; Paintings [pictures], framed or unframed; Aquarelles; Graphic prints; Handkerchiefs of paper; Face towels of paper; Table linen of paper; Bags (envelopes, pouches) of paper or plastics, for packaging; Paper and cardboard, untreated, semi-finished or for stationery; Almanacs; Printed matter; Magazines [periodicals]; Trade journals; Illustrated cards of paper or cardboard; Bookmarkers; Bookends; Photo-engravings; Graphic and photographic representations and reproductions; Book covers; Printed publications; Children's books incorporating an audio component. Games; Toys; Playground balls; Playing cards; Table-top games; Toy models; Toy figures. Publication of publicity materials; Preparation and realization of media and advertising plans and concepts; Production of advertising films; Publication and dissemination of advertising matter on media of all kinds, Amongst others Publishing and dissemination of advertising in the press, on the radio, television and/or on global telecommunications networks (such as the internet) and/or private or restricted access networks (such as an intranet); Advertising agency services; Communications agencies; Public relations services, That is Consultancy relating to advertising, Marketing consultancy and Consultancy relating to communication strategy; Consultancy, in relation to the following fields: Media facilities That is Communication consultancy, Amongst others, in relation to the following fields: Press products, Radios, Television and Global telecommunications networks (the internet) or private or restricted access networks (intranet); Production and dissemination of advertising material (printed or digital), such as leaflets, prospectuses, samples, display stands, booklets; Presentation of goods on communication media, for retail purposes; Arranging subscriptions to telecommunications services; Organization of exhibitions for commercial or advertising purposes; Online advertising on a computer network; Rental of advertising time on communication media; Publication of advertising literature; Rental of advertising space; News clipping services; Sales promotion for others; Arranging of subscriptions to online publications, for others. Writing services for blogs; Photocopying services; Booking of seats for shows; lending library services; rental of audio books. Legal services; Mediation; Opening of security locks; Rental of clothing; Legal research; Intellectual property consultancy; Leasing of internet domain names; Online social networking services.
An overvoltage protection device having a printed circuit board, a varistor having a metal-oxide varistor body that has a face and a conductive metal layer deposited on the face where the varistor is connected to a first electrical connection terminal by a first connection track of the printed circuit board and a disconnection tab is disclosed. The disconnection tab being fastened directly to the metal layer by a thermofusible link and exerting a traction force on the metal layer so that the disconnection tab moves away from the metal layer and disconnects the electrical connection between the first terminal and the varistor in response to melting of the thermofusible link is also disclosed.
wherein the fourth and sixth conductive tracks have curved portions situated on either side of the discharge tube, having a concavity facing in the same orientation respective to the discharge tube and a thermofusible area able to separate a corresponding track into two parts in response to an overcurrent, a distance between the two parts of each track allowing generation of an arc in response to an overvoltage that activates the discharge tube.
The invention relates to a device (1) for protection from overvoltages, including: - a printed circuit board (9); - a varistor (21) having a varistor body made of metal oxide which has a face (25) and a conductive metal layer (28) deposited on said face (25), wherein the varistor (21) is connected to a first electrical connection terminal (2) by a first connection track (10) of the printed circuit board and a disconnection tab (24), the disconnection tab (24) being directly attached to the metal layer (28) by a thermofusible link and exerting a traction force on said metal layer (28) such that the disconnection tab (24) moves away from the metal layer (28) and disconnects the electrical connection between the first terminal (2) and the varistor (21) in response to the thermofusible link melting.
An integrated component for protecting against overvoltages, including a varistor and a gas discharge tube that are connected in series between a first and a second electrical connection terminal and a peripheral coating including a seal-tight and electrically insulating resin, the peripheral coating being arranged around the varistor and the gas discharge tube so as to form a seal-tight and electrically insulating barrier that leaves the first and second electrical connection terminals accessible only at two opposite ends of the peripheral coating.
H01R 24/48 - Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches comprising protection devices, e.g. overvoltage protection
H01C 1/14 - Terminals or tapping points specially adapted for resistorsArrangements of terminals or tapping points on resistors
H01C 7/10 - Non-adjustable resistors formed as one or more layers or coatingsNon-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
H01T 1/16 - Series resistor structurally associated with spark gap
09 - Scientific and electric apparatus and instruments
16 - Paper, cardboard and goods made from these materials
28 - Games; toys; sports equipment
35 - Advertising and business services
38 - Telecommunications services
41 - Education, entertainment, sporting and cultural services
Goods & Services
Information technology and audio-visual, multimedia and photographic devices; Recorded content. Decoration and art materials and media; Works of art and figurines of paper and cardboard, and architects' models; Stationery and educational supplies; Paper and cardboard; Printed matter. Toys, games, playthings and novelties; Festive decorations and artificial Christmas trees; Sporting articles and equipment; Fairground and playground apparatus. Advertising, marketing and promotional services. Telecommunication services. Education, entertainment and sport services; Education, entertainment and sports.
09 - Scientific and electric apparatus and instruments
Goods & Services
Electric apparatus for protection of multiline networks or installations, telematic or telephone terminals, particularly for protection against voltage surges, interference or lightning, namely surge protectors, electrical surge arrestors; surge protectors; electrical connections; electric and electronic components particularly lightning conductors and gas-filled spark gaps, namely, electric conductors
The invention relates to an integrated component for protecting against overvoltages, including: two multilayer elementary varistors (21, 22) that are arranged in parallel and that each include first and second varistor electrodes, the varistor electrodes being metal plates (10, 11); a gas discharge tube (4) including first and second discharge-tube electrodes, the discharge-tube electrodes being conductive plates (7, 8), the two varistors (21, 22) and the gas discharge tube (4) being connected in series between a first and a second electrical connection terminal (15, 16); and a peripheral coating (20) including a seal-tight and electrically insulating resin, the peripheral coating being arranged around the varistor and the gas discharge tube so as to form a seal-tight and electrically insulating barrier that leaves the first and second electrical connection terminals accessible only at two opposite ends of the peripheral coating, wherein one of the discharge-tube electrodes (7) and one of the varistor electrodes (10) are fastened parallel to each other and in electrical contact with each other via a metal solder joint.
H01T 1/16 - Series resistor structurally associated with spark gap
H01C 7/10 - Non-adjustable resistors formed as one or more layers or coatingsNon-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
H02H 9/06 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using spark-gap arresters
H01R 24/48 - Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches comprising protection devices, e.g. overvoltage protection
A transient overvoltage protection system to be positioned in parallel with an equipment item to be protected, has at least three lines and includes three conductive branches intended to be connected to the three lines. The first and second conductive branches are equipped with first and second voltage-sensitive protection elements and are able to rise in temperature when the voltage between its terminals is higher than a voltage threshold. A thermally sensitive disconnection device comprising at least one thermofusible element in thermal contact with at least one of the first and second protection elements, is arranged so as to keep the three branches in a connected position, the thermally sensitive disconnection device having an elastic return device exerting a force tending to bring the three conductive branches to a disconnected position.
H02H 9/04 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
H01H 83/10 - Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess voltage, e.g. for lightning protection
H02H 3/20 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess voltage
H02H 9/00 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
H01H 37/76 - Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
27.
Integrated thermally protected varistor and discharge tube
An integrated component for protecting against temporary power surges comprises a first conductive lead and a second conductive lead, each of which mounted on an electrical circuit; a gas discharge tube; a thermally protected varistor and a thermal fuse. The thermally protected varistor comprises a varistor body, a first varistor electrode and a second varistor electrode that are positioned on either side of the varistor body. The varistor body rises in temperature when the voltage imposed between the first and the second varistor electrodes exceeds a voltage threshold. An electrical connection is made via the thermal fuse.
H01H 83/10 - Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess voltage, e.g. for lightning protection
H02H 9/04 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
H02H 9/06 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using spark-gap arresters
H01L 23/34 - Arrangements for cooling, heating, ventilating or temperature compensation
H01H 85/02 - Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive Details
H02H 9/02 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
H02H 9/00 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
28.
Device for protection against transitory overvoltages
The invention concerns a device for protection against transitory overvoltages, comprising: a varistor; a discharge tube; a thermofusible soldering securing a first electrode of the discharge tube and a first electrode of the varistor, the thermofusible soldering being a conductor of electricity and being able to melt beyond a temperature threshold when the varistor or the discharge tube heats up; the second electrode of the varistor being designed to be connected to a first electrical line and the second electrode of the discharge tube being designed to be connected to a second electrical line; a restoring element exerting a restoring force tending to move the first electrode of the varistor away from the first electrode of the discharge tube in order to allow a separation between the first electrode of the varistor and the first electrode of the discharge tube during a melting of the thermofusible soldering.
H01C 7/10 - Non-adjustable resistors formed as one or more layers or coatingsNon-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
H01H 85/02 - Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive Details
H01C 1/14 - Terminals or tapping points specially adapted for resistorsArrangements of terminals or tapping points on resistors
The invention relates to a gas-filled spark gap, which includes an insulating shell (6) with a hollow cylindrical shape defining an inner recess (11), two sealing cups (25) mounted sealingly on the insulating shell, two integral metal electrodes (12), each electrode including a main body (14) extended by a connection bar (8), an end surface opposite the connection bar of the electrodes defining an air gap (23) separating the two electrodes in the inner recess, the connection bars of the two electrodes each passing through a through-hole in one of the cups, the cups being sealingly mounted on the electrodes, an inert gas being captured in the inner recess.
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & Services
Data processing apparatus; Telephone, telematic and computer apparatus; Computers; Connecting or adapter apparatus for computer installations; Electric and electronic apparatus and instruments for the protection of multilinear networks or installations, telematic or telephone terminals, in particular for protection against power surges, interference or lightning; Electric couplings, Connections for electric lines, Relays, electric; Ducts [electricity]; Electricity conduits; Electric transformers for low-voltage networks; Electric and electronic components, in particular lightning conductors or gas discharge arresters. Lamps; Lighting appliances; Gas lamps; Street lamps, apparatus for public and private lighting using LEDs, headlights and spotlights using LEDs.
09 - Scientific and electric apparatus and instruments
16 - Paper, cardboard and goods made from these materials
28 - Games; toys; sports equipment
35 - Advertising and business services
38 - Telecommunications services
41 - Education, entertainment, sporting and cultural services
Goods & Services
Recorded content; Information technology and audiovisual equipment. Works of art and figurines of paper and cardboard, and architects' models; Stationery and educational supplies; Paper and cardboard; Printed matter. Toys, games, playthings and novelties. Advertising, marketing and promotional services. Telecommunication services. Translation and interpretation; Education, entertainment and sports.
09 - Scientific and electric apparatus and instruments
Goods & Services
Data-processing apparatus; telephone and data transmission apparatus, computers; data-processing apparatus; connecting or adapting apparatus for computer installations; electric and electronic apparatus and instruments for the protection of multi-line installations or networks, data transmission or telephone terminals, in particular for protection against voltage surges, interference and lightning; electric connectors, connections for electric lines, electric relays; electrical wire; electricity conduits; electric transformers for low-voltage networks; electric and electronic components, in particular lightning conductors or gas spark gaps.
09 - Scientific and electric apparatus and instruments
16 - Paper, cardboard and goods made from these materials
28 - Games; toys; sports equipment
35 - Advertising and business services
41 - Education, entertainment, sporting and cultural services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Appareils et instruments scientifiques, nautiques,
géodésiques, électriques, photographiques,
cinématographiques, optiques, de pesage, de mesurage, de
signalisation, de contrôle (inspection), de secours
(sauvetage) et d'enseignement; positif tramé destiné à être
copié sur la plaque offset; appareils pour l'enregistrement,
la transmission, la reproduction du son ou des images;
supports d'enregistrement magnétiques, disques acoustiques;
distributeurs automatiques et mécanismes pour appareils à
prépaiement; caisses enregistreuses, machines à calculer,
équipement pour le traitement de l'information; extincteurs. Papier, carton et produits en ces matières, non compris dans
d'autres classes; produits de l'imprimerie; imprimés,
journaux et périodiques, publications diverses, livres;
articles pour reliures; photographies; papeterie; adhésifs
(matières collantes) pour la papeterie ou le ménage;
matériel pour les artistes; machines à écrire et articles de
bureau (à l'exception des meubles); matériel d'instruction
ou d'enseignement (à l'exception des appareils); clichés;
matières plastiques pour l'emballage. Jeux, jouets; articles de gymnastique et de sport non
compris dans d'autres classes; décorations pour arbres de
Noël. Publicité, distribution de prospectus, d'échantillons,
publipostages; location de matériel publicitaire; aide aux
entreprises, industrielles ou commerciales dans la conduite
de leurs affaires; conseils, informations ou renseignements
d'affaires; organisation de foires, salons, "semaines",
"rencontres" et toutes manifestations de nature publicitaire
ou promotionnelle; entreprise à façon ou conception de
travaux statistiques, mécanographiques, informatiques, de
sténotypie ou secrétariat; comptabilité; reproduction de
documents; location de machines à écrire ou de matériel, de
machines ou d'agencement de bureau. Éducation; établissement d'enseignement; édition de livres,
revues, périodiques et publications diverses, abonnements à
des journaux, revues et publications diverses; prêts de
livres; divertissements, spectacles; divertissements
radiophoniques ou par tous moyens audio-visuels ou visuels;
production ou location de films, d'enregistrements sur tous
supports visuels ou audio-visuels, disquettes, cassettes,
d'appareils de projection ou de visualisation et
accessoires; organisation de concours en matière d'éducation
ou de divertissement; organisation de colloques, séminaires,
rencontres et tables rondes. Organisation d'expositions; impression de travaux
publicitaires.