EP2223319A2 - Isolation d'un dispositif de coupure de type ampoule a vide par surmoulage - Google Patents
Isolation d'un dispositif de coupure de type ampoule a vide par surmoulageInfo
- Publication number
- EP2223319A2 EP2223319A2 EP08872829A EP08872829A EP2223319A2 EP 2223319 A2 EP2223319 A2 EP 2223319A2 EP 08872829 A EP08872829 A EP 08872829A EP 08872829 A EP08872829 A EP 08872829A EP 2223319 A2 EP2223319 A2 EP 2223319A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- covers
- cover
- coating
- elastomer
- chamber
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
- H01H2033/6623—Details relating to the encasing or the outside layers of the vacuum switch housings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66261—Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations
- H01H2033/66284—Details relating to the electrical field properties of screens in vacuum switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—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
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
- H01H85/047—Vacuum fuses
Definitions
- the invention relates to switches and switchgear, in particular vacuum interrupters, operating in particular at high and medium voltage.
- the invention relates to the insulation of such equipment by coating with a suitable material.
- the invention relates to the isolation of a cutting member by injection of an elastomer in order to overmold said member.
- an elastomer in order to overmold said member.
- the junction areas of the envelope are protected by mechanical reinforcements, also dielectric baffles.
- a vacuum interrupter is constituted by a breaking chamber in which a low pressure prevails and in which there is a pair of contacts that can take a closed position allowing the passage of current and an open position in which the two contacts are separated so as to interrupt the current.
- a contact is fixed, secured to a bottom of the envelope; the other contact is mobile with a bellows surrounding it and allows to mechanically isolate the interior of the room.
- the envelope of the chamber of a vacuum interrupter comprises an insulating casing, sometimes also called a bulb, made of ceramic or glass, which constitutes the first central part which is generally tabular; the tube is closed at its ends by lids, usually metal, also called bowls or caps, to which are connected the contacts.
- Vacuum bulbs require a dielectric environment to counter discharges when triggered by opening contacts.
- a free space around the bulb can be enough; however, especially when the operating voltage is high, an option is the location of the bulb in a sealed chamber comprising a dielectric fluid, empty or SF 6 .
- These solutions generate a significant bulk around the bulb, the latter is also heavy to implement.
- solid insulators have been developed for coating vacuum bulbs, in particular with an overmoulding epoxy such as for example presented in the document EP 0 866 481.
- This type of overmolding is however not not optimized, despite the possible interposition of a flexible or elastic layer between the coating and the bulb, due to the different coefficients of thermal expansion of the ceramic cylinder, metal bowls and epoxy coating, which can cause problems. fissures, even fractures, of the insulation.
- thermosetting elastomers certainly combine a very good dielectric strength with suitable mechanical properties.
- Their use as a vacuum bulb coating has, however, been restricted because of the conditions of their shaping: overmoulding by such a material, which is carried out under high pressure, may damage the coated components, in particular fragile elements such as vacuum interrupters or fuses that include welds.
- overmolding directly a vacuum bulb with an EPDM elastomer or silicone deforms or destroys parts constituting it.
- an EPDM elastomer or silicone deforms or destroys parts constituting it.
- thermoset elastomer for a device whose vacuum chamber is delimited by several components, only as a complement to a first coating, with the establishment of a rigid protective layer around the ampoule before overmolding.
- the invention aims to overcome the drawbacks of insulation of existing controlled atmosphere cutoff devices, and to allow the direct use of elastomers on multi-component waterproof envelopes.
- the invention relates to a method for isolating a breaking device whose chamber, isolated with respect to fluid exchange, is delimited by a multi-component envelope, that is to say a sealed envelope having areas of weakness, and in particular comprising solder-bonded ceramic and metal parts, in particular on the edge of the wall of a cover comprising a bottom extended by metal side walls coupled on the periphery to the side wall; of a ceramic piece.
- the insulation is made by a step of overmolding by injection at high pressure of an elastomer which is vulcanized.
- the cutoff device Before the introduction of the cutoff device into the injection mold, it is assembled with protective covers that cover the areas of weakness.
- the covers are fitted on the covers and exceed the junction area between insulator and conductor; the shape of the covers is also optimized for a role of mechanical reinforcement.
- the surfaces of the envelope of the cut-off device which will be in contact with the injected elastomer, that is to say the protective covers and / or a large part of the central tube, are prepared. , for example with a bonding agent, to facilitate the adhesion of the elastomer.
- the elastomer may in particular be EPDM or silicone, and the process is preferably continued by a step of painting or overmolding said elastomer loaded with conductive particles in order to electrostatically shield the cut-off device.
- a breaking device which is preferably axisymmetric, comprises a sealed chamber extending along a longitudinal axis.
- the chamber is delimited by an envelope which comprises an insulating tubular part, preferably ceramic, open at its ends, which is associated with conductive covers, advantageously metallic monobloc, closing the tubular part; in particular, the connection between the various components of the envelope defines a junction zone, which is advantageously a solder between the thickness of the tubular portion and thickness of the wall of the lids which are in the form of cylinders closed by a bottom at one end.
- the sealed chamber comprises two movable contacts relatively to each other along its axis; preferably, one of the two contacts is fixed and the other mobile, each of them being coupled to one of the two covers.
- low pressure prevails in the chamber, and the cutoff device is a vacuum interrupter.
- the cut-off device further comprises two covers covering each of the covers and protecting their junction zone with the tabular part; in particular, the covers are in the form of bowls, with a bottom wall substantially normal to the axis of the cut-off device, and a peripheral wall extending along this axis a distance sufficient to cover the wall side of the cover and also an end portion of the insulating tube.
- the thickness of the lid is determined by its role of mechanical reinforcement, with removal of brittle points type protruding angles. Means, for example a direct contact, are provided to avoid the creation of a potential difference between them.
- a conductive spacer may spread the bottom of the lid of the bottom of the lid in the longitudinal direction so as to facilitate the connection of the assembly means of the cut-off device.
- the covers are rigid enough to serve as mechanical reinforcements, and advantageously they are designed to serve as dielectric baffles; in particular, they do not have sharp corners on their outer surface, and may have bulges at the junction points between insulator and conductor. It is furthermore preferred that a seal be present between the insulating tabular part and the cover, so as to protect the junction zone between the cover and the tabular part by locating it in a clean space; the seal may be of elastomer, and is advantageously put in place in a suitable groove of the cover.
- the solder is protected against fluid infiltration.
- the cut-off device finally comprises an elastomeric coating, preferably made of EPDM, around the envelope of the chamber and protective covers with which it is in direct contact: the interface is "adhered", that is to say that it is waterproof, devoid of empty spaces.
- the elastomer is advantageously coated with a conductive electrostatic shielding layer, for example the same charged elastomer; this elastomer can be used for the joint.
- Figure 1 shows a vacuum interrupter according to a preferred embodiment of the invention.
- FIG. 2 illustrates the mechanical protection before overmolding according to a preferred embodiment of the invention.
- a vacuum interrupter 1 according to the invention is intended for use in a switch to cut in an electric circuit.
- the bulb 1 according to the invention is preferably arranged to operate at high or medium voltage, that is to say between 1 and 75 kV or 52 kV, although low voltage use is possible.
- the ampoule 1 comprises a sealed chamber or cartridge 2 in which there is preferably a controlled low pressure of air or other dielectric fluid, that is to say a "vacuum"; the chamber 2 is defined by a longitudinal envelope extending along an axis AA, and which is advantageously axisymmetric (symmetrical of revolution) for reasons of manufacture and assembly.
- the envelope of the chamber 2 comprises a first main part, central, insulating 4, preferably ceramic although glass may be an option.
- the insulating part 4 is tubular, preferably cylindrical of revolution to optimize its resistances mechanical and dielectric, as well as to facilitate its manufacture; in the preferred embodiment, each open end of the tube 4 is delimited by an orthogonal section of its wall, thus forming two superimposable rings.
- the orifices of the tube 4 are partially closed by conductive covers 6 1 , 62, 'in the illustrated frame, the covers, or caps, 6 are metallic and each comprise a substantially plane bottom normal to the axis AA, extended on its periphery by an orthogonal lateral wall 7 of the same shape as the tube 4 at its ends; the side wall 7 1 , 7 2 is longer or shorter according to the use, but in any case extends the bottom to optimize the construction of the bulb 1.
- the covers 6 are preferably formed of one piece and of substantially constant thickness between the peripheral walls 7 and bottom.
- the conductive covers 6 are tightly secured to the insulating tube 4 according to a junction zone 8.
- the junction zone 8 is limited to a line corresponding to a brazing of the peripheral wall 7 of the covers 6 on the insulating tubular wall 4.
- the thickness of the tube 4, homogeneous is greater than the thickness of the cover 6 (for example of the order of 1.5 to 2 mm), and the two ends are placed edge to edge, with vacuum brazing of the cap 6 substantially in the center of the wall of the tube 4.
- the chamber 2 delimited by the ceramic tube 4 and the covers 6 comprises a pair of arcing contacts 10 1 , 10 2 movable relative to each other along the axis AA of the bulb 1.
- Each contact 10 comprises a contact pad 12 of suitable material, such as CuCr, fixed on a longitudinal electrode 14 made of copper.
- a first contact 10] is fixed, integral with one of the end covers 6 1 to which its electrode 14 is coupled to close it, for example by welding or mechanical assembly; the second contact 10 2 is mounted to slide axially inside the cartridge 2, with its electrode 14 being able to move through the other bowl 6 2 .
- a sealing bellows 16 is interposed between the movable electrode 14, to which it can by for example be welded at one end, and the corresponding cover 6 2 , thus isolating the opening of the cover 6 2 of the chamber 2.
- a dielectric screen 18 can be placed around the bellows seal 16, at its end coupled to the electrode 14 to protect it against projections caused by a cut.
- the sealed chamber 2 further preferably comprises a dielectric screen 20 positioned at the contact pads 12 regardless of their position in order to protect the ceramic 4 possible projections.
- the internal dielectric screen 20 is fixedly attached to one of the covers O 1 in order to simplify the manufacturing process and limit the number of solderings on the ceramic tube 4.
- the ampoule 1 according to the invention is preferably used in tight spaces, which can also be aggressive: so that the cut-off device is insensitive to the environment (pollution, dust, other dirt) and reduce the dimensions, solid insulation 22 is used to concentrate the dielectric stresses inside the insulator 22; a shield 24 may be associated with it to confine them by removing any electric field from the ambient air.
- the bulb 1 according to the invention is preferably adapted for the storage conditions up to -40 ° C and to tolerate large variations in operating temperature, including a room temperature of -25 ° C to 55 0 C, to which are added local warming due to the operation (of the order of 45 ° C.): an amplitude of -40 ° C. to + 100 ° C. for the vacuum bottle 1 preferably expands the metallic elements 6, 10, 16, 18, 20 of the cartridge 2.
- the dielectric insulating coating 22 of the vacuum bottle 1 is chosen from elastomers that are sufficiently flexible to compensate for the different expansions of the components of the envelope of the ampoule 1 to which it is joined, for example of hardness.
- the dielectric coating is made of an ethylene-propylene-diene terpolymer or EPDM (for: "Ethylene-Propylene Diene Monomer rubber”) sufficiently flexible but which has sufficient mechanical strength to a protection
- EPDM for: "Ethylene-Propylene Diene Monomer rubber
- the material is injected at a temperature of the order of 60 to 80 ° C., that is to say in a viscous or liquid, into a mold heated between 140 and 17O 0 C, a pressure of 100 to 150 bars.
- a suitable means is put in place, with a reinforcement
- the presence of such an additional element whose main role is mechanical can also be used to reduce the electric fields, and the mechanical reinforcement 26 used according to the invention. is advantageously shaped to serve as a dielectric baffle.
- a preferred embodiment of a reinforcing cover 26 comprises a bottom extended at its periphery by a side wall, defining a recess in which the cover 6 of the bulb 1 can be put in place; the peripheral wall extends along the axis AA of sufficient length to cover the junction zone 8.
- the internal recess may comprise sharp angles
- the outer surface of the hood 26 is smooth, with blunted, rounded corners; the cover 26 is advantageously axisymmetric, and its external shape is determined according to the mechanical and dielectric stresses.
- the end portion of the peripheral wall being set up at the level of the ceramic wall 4 and / or the conductive solder 8, that is to say in an area where the field constraints are the higher, comprises an annular bulge 28.
- the dielectric cover 26 may comprise a swollen end portion 28 up to 8 mm thick, the length of which is about 16 mm along the axis AA is substantially distributed on each side of the solder 8.
- the cover 26 may be made of a thermoplastic or thermosetting conductive material; advantageously, the cover 26 is made of a single piece of metal whose mechanical strength is proven, for example steel. Its general shape is preferably standardized, with, as shown in Figure 1, an adaptation of the size of the cylindrical portion of its wall to that of the lid 6; Furthermore the bottom of the reinforcement 26 comprises an orifice 30 allowing the passage of the electrode 14 and means 32 to which the contact 10, and more generally the bulb 1, are coupled.
- a spacer 34 takes up the mechanical forces between the cover 6 and the bottom of the cover 26.
- the spacer 34 can be conductive and provide the same potential between cover 6 and cover 26; it allows the assembly with the coupling means 32 of the bulb 1.
- Other geometric possibilities for the covers 26 may be derived from the constraints by the skilled person; whatever the solution, contact is made between the parts 6, 26 under tension to prevent the remaining space is crossed field lines.
- the vacuum bottle 1 Prior to overmolding, the vacuum bottle 1 is thus protected at its ends by placing covers 26 on its end covers 6 and through which the connection means 32 pass.
- the dielectric covers 26 cover by their peripheral wall, at the the level of a bulge 28, the junction zones 8 and a portion of the ceramic tube 4.
- the internal arrangement of the wall of the cover 26 allows adequate positioning at the junction braking 8, with sufficient space to do not solicit this weak point during the installation of the cover 26.
- sealing means between the cover 26 and the ceramic tube 4.
- Any means can be envisaged, but, for example, the inner surface of the peripheral wall of the cover 26 is provided with an annular groove 36 in which a seal 38 is put in place.
- the seal 38 is of insulating or conductive material; it may be of any shape, for example toric, but advantageously, its geometry is complementary to that of the groove 36 of the deflector 26 to distribute the forces on the ceramic 4 during the injection of the insulating material; the seal 38 may also make it possible to center the mechanical cap 26 on the cut-off member 1.
- the seal 38 is made of elastomer whose compatibility with the insulator 22 overmoulding is good, preferably of the same nature as the insulating coating 22 (here of the EPDM), in order to maintain the same mechanical properties, and its hardness is compatible with the ceramic rib tolerances 4. Depending on the relative shape of the groove 36 and the seal 38, the latter may be inserted or adhered to the peripheral wall of the bulge 28.
- the ampoule 1 is assembled with the covers 26 and the seal 38, it is placed in a mold of suitable size and shape, preferably with centering means.
- the EPDM is injected into the residual space, whose overmolding thickness is determined by the lightning strike, and vulcanized; the ampoule 1 is then demolded.
- the external interface surface between the envelope of the chamber 2 and the coating 22, in particular that of the ceramic tube 4 and the dielectric cover 26, is prepared in order to optimize the attachment of the elastomer 22 and to guarantee a waterproof direct adherence, with no residual spaces likely to contain air; in particular, a bonding agent can be used to optimize the interface and counteract partial discharges.
- the dielectric overmolding 22 itself is covered with a conductive or semi-conductive layer 24 called shielding, in particular a conductive EPDM overmoulding, which may be grounded.
- shielding in particular a conductive EPDM overmoulding, which may be grounded.
- the field lines are held inside the coating 22, which allows the positioning of other electrical equipment in the vicinity of the bulb 1 according to the invention and the insensitivity of the latter to the environment.
- the role of mechanical protection of the cover 26 is essential with a significant difference in pressure between the injection of the elastomer 22 and the interior of the chamber 2; however, even when this difference decreases, or even vanishes, the dielectric action of the cover 26 is maintained, and it may be recommended to keep the covers 26 also for overmolding at ambient pressure, for example epoxy.
- the dielectric cover 26 advantageously retains its mechanical role by being made of material flexible, for example EPDM loaded to absorb the different deformations between coating 22, cover 6 (and ceramic 4); possibly, orifices or games-type arrangements may be made to serve as compression spaces.
- an overmoulding as performed according to the invention may also be implemented on any device in which the chamber under controlled atmosphere has a "fragile" junction between two materials.
- the invention finds an application for fuse-type switchgear with a sealed envelope.
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Manufacture Of Switches (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0708970A FR2925755B1 (fr) | 2007-12-21 | 2007-12-21 | Isolation d'un dispositif de coupure de type ampoule a vide par surmoulage |
PCT/FR2008/001788 WO2009106731A2 (fr) | 2007-12-21 | 2008-12-19 | Isolation d'un dispositif de coupure de type ampoule a vide par surmoulage |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2223319A2 true EP2223319A2 (fr) | 2010-09-01 |
EP2223319B1 EP2223319B1 (fr) | 2015-11-25 |
Family
ID=39651330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08872829.0A Not-in-force EP2223319B1 (fr) | 2007-12-21 | 2008-12-19 | Isolation d'un dispositif de coupure de type ampoule a vide par surmoulage |
Country Status (7)
Country | Link |
---|---|
US (1) | US8178812B2 (fr) |
EP (1) | EP2223319B1 (fr) |
CN (1) | CN101903965B (fr) |
BR (1) | BRPI0821343A2 (fr) |
FR (1) | FR2925755B1 (fr) |
RU (1) | RU2479061C2 (fr) |
WO (1) | WO2009106731A2 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021148217A1 (fr) * | 2020-01-22 | 2021-07-29 | Siemens Aktiengesellschaft | Commutateur à vide |
WO2021148218A1 (fr) * | 2020-01-22 | 2021-07-29 | Siemens Aktiengesellschaft | Commutateur à vide |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2278603B1 (fr) | 2009-07-20 | 2018-09-12 | ABB Schweiz AG | Procédé de fabrication d'une borne de courant pour un élément de pôle intégré |
EP2278601B1 (fr) | 2009-07-20 | 2017-02-01 | ABB Schweiz AG | Élément de pôle intégré avec boîtier isolé fabriqué en matériau thermoplastique |
KR101362861B1 (ko) * | 2011-02-14 | 2014-02-14 | 가부시끼가이샤 도시바 | 몰드 진공 밸브, 그 제조 방법 및 수지 주형 금형 |
JP5746515B2 (ja) * | 2011-02-14 | 2015-07-08 | 株式会社東芝 | モールド真空バルブおよびその製造方法 |
JP5746525B2 (ja) * | 2011-03-08 | 2015-07-08 | 株式会社東芝 | 樹脂モールド真空バルブ |
JP5749565B2 (ja) * | 2011-05-19 | 2015-07-15 | 株式会社東芝 | 樹脂モールド真空バルブ |
JP6130633B2 (ja) * | 2012-08-07 | 2017-05-17 | 株式会社東芝 | 樹脂モールド真空バルブ |
CN102820151A (zh) * | 2012-08-16 | 2012-12-12 | 岑银富 | 一种耐应力的真空灭弧室的盖板 |
CN102867679A (zh) * | 2012-08-16 | 2013-01-09 | 胡博 | 一种注塑型极柱 |
US10290436B1 (en) | 2013-03-15 | 2019-05-14 | Innovative Switchgear IP, LLC | Insulated interrupter |
JP6250965B2 (ja) * | 2013-07-05 | 2017-12-20 | 株式会社東芝 | 樹脂絶縁真空バルブ |
FR3009643B1 (fr) * | 2013-08-09 | 2015-08-07 | Schneider Electric Ind Sas | Ampoule a vide, pole de disjoncteur comprenant une telle ampoule a vide et procedes de fabrication de tels dispositifs |
EP3036752A4 (fr) * | 2013-08-22 | 2017-06-07 | Dow Global Technologies LLC | Procédé de production de parties de pôle de disjoncteur |
FR3017486B1 (fr) * | 2014-02-07 | 2017-09-08 | Schneider Electric Ind Sas | Deflecteur pour ampoule a vide surmoulee |
KR102517402B1 (ko) | 2014-03-17 | 2023-04-03 | 세쉐롱 에스.아. | 회로 차단 장치 |
DE102014210587A1 (de) * | 2014-06-04 | 2015-12-17 | Siemens Aktiengesellschaft | Verfahren zur Herstellung eines feststoffisolierten Schalterpols und feststoffisolierter Schalterpol |
US9396896B2 (en) * | 2014-06-09 | 2016-07-19 | Eaton Corporation | Modular vacuum interruption apparatus |
CN104269315B (zh) * | 2014-09-05 | 2016-09-14 | 中国西电电气股份有限公司 | 带限流器的大功率开关 |
EP3018683A1 (fr) * | 2014-11-06 | 2016-05-11 | ABB Technology AG | Interrupteur à vide pour utilisation à basse, moyenne ou haute tension, pour une application de pression de l'environnement |
CN109698090A (zh) * | 2017-10-20 | 2019-04-30 | 厦门华电开关有限公司 | 固封极柱及其生产方法 |
CN109698093B (zh) * | 2017-10-20 | 2024-06-14 | 厦门华电开关有限公司 | 真空灭弧室及其生产方法 |
FR3084516B1 (fr) * | 2018-07-24 | 2021-05-14 | Alstom Transp Tech | Dispositif electrique pour vehicule et vehicule associe |
CN108597947A (zh) * | 2018-08-02 | 2018-09-28 | 北京京东方真空电器有限责任公司 | 一种真空开关管及真空开关 |
US10916392B2 (en) | 2018-09-17 | 2021-02-09 | Eaton Intelligent Power Limited | Reinforcement structure for a vacuum interrupter |
EP3916750A4 (fr) * | 2019-02-06 | 2022-08-24 | Meidensha Corporation | Interrupteur à vide |
JP7004027B2 (ja) * | 2020-06-18 | 2022-01-21 | 株式会社明電舎 | 真空インタラプタおよび真空遮断器 |
CN114400170B (zh) * | 2021-12-14 | 2024-03-22 | 河南平高电气股份有限公司 | 断路器弧触头旋拧扳手头 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU653640A1 (ru) * | 1977-01-03 | 1979-03-25 | Предприятие П/Я А-3816 | Вакуумна дугогасительна камера |
WO1986000464A1 (fr) * | 1984-06-21 | 1986-01-16 | The Electricity Council | Dispositif commutateur a haute tension |
DE3718110A1 (de) * | 1987-05-27 | 1988-12-08 | Siemens Ag | Vakuumschaltroehre mit einer umhuellung und verfahren zu ihrer herstellung |
US5808258A (en) * | 1995-12-26 | 1998-09-15 | Amerace Corporation | Encapsulated high voltage vacuum switches |
MY119298A (en) * | 1996-09-13 | 2005-04-30 | Cooper Ind Inc | Encapsulated vacuum interrupter and method of making same |
US5747765A (en) * | 1996-09-13 | 1998-05-05 | Cooper Industries, Inc. | Vertical antitracking skirts |
DE19712182A1 (de) | 1997-03-22 | 1998-09-24 | Abb Patent Gmbh | Vakuumkammer |
TW512565B (en) * | 1999-04-01 | 2002-12-01 | Mitsubishi Electric Corp | Switch gear and power switching apparatus |
JP3845534B2 (ja) * | 1999-12-01 | 2006-11-15 | 株式会社東芝 | スイッチギヤ |
JP3830730B2 (ja) * | 2000-05-29 | 2006-10-11 | 株式会社東芝 | 真空バルブ |
JP2002358861A (ja) * | 2001-06-01 | 2002-12-13 | Mitsubishi Electric Corp | 真空バルブとその製造方法 |
US6888086B2 (en) * | 2002-09-30 | 2005-05-03 | Cooper Technologies Company | Solid dielectric encapsulated interrupter |
DE10249615A1 (de) * | 2002-10-21 | 2004-05-13 | Siemens Ag | Herstellung eines feststoffisolierten Schalterpols |
US6828521B2 (en) * | 2003-02-24 | 2004-12-07 | Cooper Industries, Inc. | Method for increasing insulation level in an encapsulation |
US7304262B2 (en) * | 2003-04-25 | 2007-12-04 | Cooper Technologies Company | Vacuum encapsulation having an empty chamber |
US20050082260A1 (en) * | 2003-10-15 | 2005-04-21 | G&W Electric Co. | Shielded encapsulated vacuum interrupter |
DE20321748U1 (de) * | 2003-12-19 | 2009-05-14 | Abb Technology Ag | Mittelspannungsschaltanlage |
EP1571684A1 (fr) * | 2004-03-01 | 2005-09-07 | Kabushiki Kaisha Toshiba | Appareil de commutation à isolation, moulage de résine et son procédé de fabrication |
DE102004031089B4 (de) * | 2004-06-28 | 2012-08-30 | Abb Technology Ag | Vakuumschaltkammer sowie Verfahren zur Herstellung derselben |
DE102004047276B4 (de) * | 2004-09-24 | 2006-11-30 | Siemens Ag | Selbsthaftende Elastomerschicht in feststoffisolierten Schalterpolen |
JP4765538B2 (ja) * | 2005-10-20 | 2011-09-07 | 富士電機機器制御株式会社 | 真空バルブ、真空バルブの製造方法 |
US7579571B2 (en) * | 2006-05-31 | 2009-08-25 | Thomas & Betts International, Inc. | Visible open indicator |
-
2007
- 2007-12-21 FR FR0708970A patent/FR2925755B1/fr not_active Expired - Fee Related
-
2008
- 2008-12-19 US US12/734,804 patent/US8178812B2/en not_active Expired - Fee Related
- 2008-12-19 EP EP08872829.0A patent/EP2223319B1/fr not_active Not-in-force
- 2008-12-19 CN CN2008801222187A patent/CN101903965B/zh not_active Expired - Fee Related
- 2008-12-19 WO PCT/FR2008/001788 patent/WO2009106731A2/fr active Application Filing
- 2008-12-19 BR BRPI0821343-7A patent/BRPI0821343A2/pt not_active Application Discontinuation
- 2008-12-19 RU RU2010130341/07A patent/RU2479061C2/ru not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2009106731A2 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021148217A1 (fr) * | 2020-01-22 | 2021-07-29 | Siemens Aktiengesellschaft | Commutateur à vide |
WO2021148218A1 (fr) * | 2020-01-22 | 2021-07-29 | Siemens Aktiengesellschaft | Commutateur à vide |
Also Published As
Publication number | Publication date |
---|---|
WO2009106731A2 (fr) | 2009-09-03 |
US20100246102A1 (en) | 2010-09-30 |
US8178812B2 (en) | 2012-05-15 |
FR2925755B1 (fr) | 2012-08-03 |
CN101903965A (zh) | 2010-12-01 |
RU2479061C2 (ru) | 2013-04-10 |
FR2925755A1 (fr) | 2009-06-26 |
EP2223319B1 (fr) | 2015-11-25 |
AU2008351966A1 (en) | 2009-09-03 |
RU2010130341A (ru) | 2012-01-27 |
CN101903965B (zh) | 2013-09-11 |
BRPI0821343A2 (pt) | 2015-06-16 |
WO2009106731A3 (fr) | 2009-10-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2223319B1 (fr) | Isolation d'un dispositif de coupure de type ampoule a vide par surmoulage | |
EP2835812B1 (fr) | Ampoule à vide, pôle de disjoncteur comprenant une telle ampoule à vide et procédés de fabrication de tels dispositifs | |
EP1733409B1 (fr) | Appareil electrique a gaz isolant sous pression comprenant un isolateur composite muni d'une fenetre d'observation des contacts | |
EP2628220B1 (fr) | Prevention contre un court-circuit de la bougie rf | |
EP2905796B1 (fr) | Déflecteur pour ampoule à vide surmoulée | |
WO2006037914A1 (fr) | Disque isolant de support d'un conducteur et ensemble electrique comprenant ce disque | |
EP0299868A1 (fr) | Borne d'alimentation électrique pour vitrage encapsulé | |
CH636473A5 (fr) | Microparafoudre a fort pouvoir d'ecoulement. | |
EP0275772B1 (fr) | Boîtier de dispositif électrique, notamment de parafoudre, incluant une enveloppe isolante moulée | |
EP3073505B1 (fr) | Procédé de réalisation d'un appareillage électrique et appareillage électrique à étanchéité améliorée | |
FR3001585A3 (fr) | Dispositif de confinement de fuites de gaz se produisant au niveau d'un disque de rupture d'un compartiment d'un poste electrique ou d'un disjoncteur a haute tension a isolation gazeuse | |
FR2944134A1 (fr) | Enveloppe isolante sous pression d'un appareil de protection electrique | |
CA2069800C (fr) | Dispositif de protection contre les effets d'un claquage pour extremite de cable electrique | |
EP0525635A1 (fr) | Ampoule sous vide pourvue d'une isolation électrique | |
EP4020728B1 (fr) | Cuve pour appareil électrique à moyenne tension | |
EP1347469A1 (fr) | Dispositif pour contrôler un champ électrique élevé dans un matériau synthétique isolant comprenant au moins une électrode rigide | |
FR2538162A1 (fr) | Procede de fabrication d'une embase protectrice pour un tube electronique, et tube electronique ainsi realise | |
FR2758420A1 (fr) | Dispositif de protection a base de varistance | |
FR2788369A1 (fr) | Traversee de courant pour cellule electrique moyenne tension a enveloppe metallique hermetique | |
EP2272135B1 (fr) | Dispositif pour prévenir l'établissement d'un arc électrique entre deux éléments conducteurs | |
EP2383853A1 (fr) | Enveloppe de protection pour paratonnerre à dispositif d'amorçage | |
EP3836185A1 (fr) | Appareil électrique à haute tension comprenant un dispositif anti-explosion | |
FR2752107A1 (fr) | Extremite auto-porteuse de cable d'energie |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20100507 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL BA MK RS |
|
DAX | Request for extension of the european patent (deleted) | ||
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R079 Ref document number: 602008041333 Country of ref document: DE Free format text: PREVIOUS MAIN CLASS: H01H0033660000 Ipc: H01H0033662000 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAJ | Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted |
Free format text: ORIGINAL CODE: EPIDOSDIGR1 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H01H 85/047 20060101ALI20150615BHEP Ipc: H01H 33/662 20060101AFI20150615BHEP |
|
INTG | Intention to grant announced |
Effective date: 20150702 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: HERAULT, CATHERINE Inventor name: CHATELET, BRUNO Inventor name: MENNESSIER, CHRISTIAN Inventor name: MARTIN, LUDOVIC |
|
INTG | Intention to grant announced |
Effective date: 20150714 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 8 |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: REF Ref document number: 762967 Country of ref document: AT Kind code of ref document: T Effective date: 20151215 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: FRENCH |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 602008041333 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG4D |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: MP Effective date: 20160225 |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: MK05 Ref document number: 762967 Country of ref document: AT Kind code of ref document: T Effective date: 20151125 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160325 Ref country code: NO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160225 Ref country code: LT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: HR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160226 Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20151231 Ref country code: AT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: LV Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: PL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160325 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 602008041333 Country of ref document: DE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: MM4A |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20151219 Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20151231 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20151231 |
|
26N | No opposition filed |
Effective date: 20160826 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 9 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BG Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: HU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO Effective date: 20081219 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: MT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20151219 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 10 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20171218 Year of fee payment: 10 Ref country code: FR Payment date: 20171218 Year of fee payment: 10 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20171213 Year of fee payment: 10 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 602008041333 Country of ref document: DE |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20181219 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20190702 Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20181231 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20181219 |