EP3735703A1 - Short-circuiting device for use in low-voltage and medium-voltage systems for the protection of property and persons - Google Patents
Short-circuiting device for use in low-voltage and medium-voltage systems for the protection of property and personsInfo
- Publication number
- EP3735703A1 EP3735703A1 EP18812155.2A EP18812155A EP3735703A1 EP 3735703 A1 EP3735703 A1 EP 3735703A1 EP 18812155 A EP18812155 A EP 18812155A EP 3735703 A1 EP3735703 A1 EP 3735703A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- short
- contact
- circuiting device
- hollow cylinder
- cone
- 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
- 230000006378 damage Effects 0.000 claims abstract description 9
- 230000000295 complement effect Effects 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 125000006850 spacer group Chemical group 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 238000013461 design Methods 0.000 claims description 7
- 239000011888 foil Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000010292 electrical insulation Methods 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims description 2
- 238000013022 venting Methods 0.000 claims description 2
- 230000036316 preload Effects 0.000 abstract 2
- 230000007704 transition Effects 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
- H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
- H01H37/764—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material in which contacts are held closed by a thermal pellet
- H01H37/765—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material in which contacts are held closed by a thermal pellet using a sliding contact between a metallic cylindrical housing and a central electrode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
- H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
- H01H37/761—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H39/00—Switching devices actuated by an explosion produced within the device and initiated by an electric current
- H01H39/004—Closing switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H79/00—Protective switches in which excess current causes the closing of contacts, e.g. for short-circuiting the apparatus to be protected
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H39/00—Switching devices actuated by an explosion produced within the device and initiated by an electric current
Definitions
- Short-circuiting device for use in low and medium voltage systems for property and personal protection
- the invention relates to a short-circuiting device for use in low and medium voltage systems for property and personal protection, comprising a switching element, which from the trigger signal of a
- Fault detection device is actuated, two opposing contact electrodes with means for power supply, which are contactable to a circuit with terminals of different potential, further in at least one of the contact electrodes under
- Sacrificial element and the switching element on the one hand and one of the contact electrodes on the other hand in order to bring about a current flow-induced, thermal deformation or destruction of the sacrificial element targeted, according to the preamble of claim 1.
- Victim element a thin-walled hollow cylinder with a ratio between the diameter and wall thickness of the hollow cylinder greater than 10: 1, wherein the sacrificial element consists of a refractory metallic material.
- the related short circuiter is said to have a minimum commutation time while maintaining high mechanical strength to use a high spring force for the purpose of reducing the travel time and for the purpose of faster response.
- an insulating body and a H ilfselektrode is located in the fixed contact electrode, wherein the auxiliary electrode is in communication with the sacrificial element.
- the contact electrodes and the opposite surfaces may have a complementary conical shape with it
- Between the contact electrodes can be effective in the closed state venting channel or a ventilation hole to prevent, by a pressure increase in the event of short circuit, in particular in the
- Means for generating the biasing force can according to the prior art as a compression spring, plate spring or the like spring arrangement
- the sacrificial element may be a wire or rod made of a conductive material with a low melting integral, wherein the sacrificial element is in tension under mechanical prestressing.
- the relevant short-circuiting device should on the one hand enable a full current-carrying capacity over a longer period of time and have a status indication.
- the short-circuiting device has two opposing contact electrodes, wherein in one of the contact electrodes there is provided a movable contact part which is under mechanical prestressing and which is spring-assisted in the event of a short circuit and supports a movement to the further contact electrode as well as a sacrificial element.
- a locking arrangement in the head part of a multi-part housing, which accommodates the fixed and the movable contact electrode, a locking arrangement
- the movable contact part is provided with a relatively long, low-sided cone-shaped contact region and, as a hollow-cylindrical contact, preferably with a spring drive fitted.
- the open state is the movement of the movable
- the biasing force in particular the spring force is released and supported by at least one further force component, which accelerates the closing movement.
- the movable contact part is in a fixed position
- the sliding contact has a gap of ⁇ 1/10 mm.
- the kinetic energy of the movable contact part is converted into a plastic deformation, which can avoid a contact bounce and a disadvantageous arc phase.
- the movable contact part is designed as a hollow cylinder closed on one side.
- the hollow cylinder contains a spring for generating bias. This spring can be used in a very simple manner in the hollow cylinder space, so that an additional space for the spring deleted.
- the hollow cylinder is in a complementary recess in the first
- Hollow cylinder bottom a first pin-shaped extension, which is opposite to the contact electrodes, second pin-shaped extension opposite. Between the first and the second peg-shaped extension, the already mentioned sacrificial element is located.
- the sacrificial element is preferably designed as a bolt or screw with a corresponding thread.
- the respective ends of the bolt or the screw are fixed via the thread or the screw head on the first and second peg-shaped extension.
- the second contact electrode a adapted to the outer cone of the movable contact part recess provided with inner cone.
- Outer and inner cone form a bounce-free short-circuit contact area with positive and positive locking due to plastic deformation occurring.
- vents connected to the recess are provided in the region of the recess. These vents are located in the second contact electrode to prevent pressure build-up due to movement of the movable contact member.
- vents can be closed with a pressure-displacing plug.
- a valve-like closure may be provided so that the ingress of moisture, dirt or other foreign bodies is avoidable, but on the other hand, the aforementioned undesirable pressure build-up can be excluded.
- deformable contact is in the range of ⁇ 3 °.
- the contact electrodes and thus the basic construction of the short-circuiting device is preferably rotationally symmetrical.
- the contact electrodes are kept at a distance via an insulating centering ring.
- the overall arrangement is of a surrounding shell
- the movable contact part can move like a piston in the recess of the first contact electrode, wherein the energy released during the destruction of the sacrificial element and / or the energy a resulting arc acts to accelerate the movement of the bottom of the movable contact and leads to shortening of the closing time.
- the second peg-shaped extension is surrounded by an insulating tube of gas-emitting material.
- the insulating tube may be provided with a protective, metallic shell, at least partially surrounding the insulating.
- This novel auxiliary short-circuiter has a high switching speed which is comparable to a semiconductor switch and a limited current carrying capacity, which is tuned to the sacrificial element and the closing of the main contacts of the main short-circuiter.
- a bridge fuse has a fuse wire which is activated by low current current flow at low voltage.
- Bridge igniters are commonly used to ignite reactive masses. Without the use of such reactive masses they have no
- the bridge igniter is used to trigger an auxiliary short-circuiter, which the auxiliary path for loading the
- the auxiliary path can be closed within about 100 ms, so that no disadvantages arise in terms of the speed during switching operations with semiconductor switches.
- the auxiliary short-circuiter uses the
- Fusible conductor of the igniter is formed to a film, in particular a
- Insulation film to destroy on a potential thorn. After the destruction of the insulation film, a current flows through the electrodes and Contacts of the auxiliary short-circuiter with or without arcing, which serves to trigger the sacrificial element, which closes the current-carrying main short-circuiter under spring force support.
- the switching element according to the invention designed as a bridge igniter, consists of two opposite, current-carrying contacts, which are by an insulation to a small distance of ⁇ 1 mm geha lten, with release of the bridge igniter, the electrical insulation between the contacts is repealed.
- the other of the current-carrying contacts has a cavity to r
- a pressure-resistant sleeve In the cavity is a pressure-resistant sleeve is located.
- the sleeve in the direction of the spinous process, has a cap which, with the triggering of the bridge igniter, moves in the direction of the spinous process, destroying the foil and establishing an electrical connection between the current-carrying contacts.
- the recess may have a vent opening.
- the conductive particles can be fixed by means of a foil or a covering layer.
- the switching element according to the invention can outside the actual
- Main Kurzsch multipliers are arranged, but also in these, in particular integrated into a contact electrode, in particular screwed or plugged there.
- FIG. 1 shows a longitudinal section through a short-circuiting device with a movable contact part, designed as a hollow cylinder closed on one side, a spring being used for the generation of prestressing in the hollow cylinder and with a sacrificial element in the untripped state;
- Fig. 2 is a sectional view of the switching element according to the invention, designed as Brückenzü countries with two opposite, current carrying electrodes, which are held by an insulation at a small distance, in one embodiment with movable, conductive cap for bridging ng isolation with recognizable spinous process, in shown example formed within a recess within the lower current carrying contact;
- Fig. 3 is a view similar to that of FIG. 2, but with a
- FIG. 4 shows a representation similar to that according to FIG. 1 with main short-circuiter in longitudinal section and an integrated in one of the contact electrodes according to the invention design of the switching element on the basis of a bridge igniter.
- the short-circuiting device has at least one further, isolated inserted connection 30, via which the activation of the short-circuiting device can take place with the aid of a switching element 3, which optionally has a fuse 4 connected in series.
- the short-circuiting device has a sacrificial element, which is designed as a screw or bolt 6 in the example shown.
- the sacrificial element or the screw or the bolt 6 mechanically fixes a movable contact part 7, which is mechanically biased by a spring 8.
- the sacrificial element 6 is electrically connected to the outer terminal 30 via the movable contact part 7 with the contact electrode 80 and the outer terminal 2.
- the second contact electrode 70 is connected to the terminal 1 and electrically isolated from the first contact electrode 80 via an insulated centering part 110.
- the insulated centering part 110 guides the contact electrodes 70; 80, wherein the joining of the aforementioned parts is preferably realized by an interference fit, in particular a cone compression dressing.
- the movable contact part 7 is centered over the guide in the contact electrode 80 to the contact electrode 70.
- the triggering of the short-circuiting device takes place according to the one shown
- Embodiment variant by a flow of current through the sacrificial element 6, after the switching element 3 establishes a connection to the terminal 1.
- the movable contact part 7 is moved to the contact electrode 70, whereby the main current path between the contact electrodes 70 and 80 via the movable contact part 7 is closed.
- Support closing movement This is achieved by the central guidance of the current via the sacrificial element 6 and via the bottom of the movable contact part 7 substantially forced radial current conduction.
- the sacrificial element does not melt completely to trigger the closing process.
- the decisive factor is that the material of the sacrificial element is softened. This softening can also occur below the melting temperature.
- first pin-shaped extension 73 which is opposite to the contact electrodes 70, 80, second pin-shaped projection 100 opposite, wherein between the first and the second pin-shaped extension 73; 100 the already mentioned sacrificial element 6, in particular designed as a bolt or screw
- the second contact electrode 80 is a, adapted to the outer cone 72 of the movable contact 7 recess with inner cone 91st
- outer and inner cone form a bounce-free short-circuit contact area with positive and positive fit due to a vu ertPAder plastic deformation.
- vents 92 connected to the region of the internal cone recess may be provided in the second contact electrode 70 to provide pressure buildup due to movement of the inner cone
- vents 92 may be closed with a pressure-displacing plug or valve.
- the gap of the mentioned sliding contact moves in a range ⁇ 0.2 mm, preferably ⁇ 0.1 mm.
- an outer diameter of about 30 mm results in a spring force of about 800 N and a relatively short travel of the contact part 7, a kinetic energy of a few joules, which is transferred to a large extent in plastic deformations in the contact area.
- the fast switch 3 as shown in Figure 1 is carried out on the basis of a bridge igniter.
- the switching element 3 has two current-carrying contacts 10 and 11, which are held by an insulating disk 12 at a small distance of, for example, ⁇ 1 mm.
- one of the contacts may be under the action of a spring biasing force (figuratively not shown).
- a recess is provided which has a spinous process 13 and preferably a vent opening 14.
- the opposite contact 10 has a cavity in which a movable contact 15 is inserted in the form of a cap.
- This movable contact cap 15 is guided on a pressure-resistant cylindrical sleeve 16.
- the cylindrical sleeve 16 is correspondingly sealed in the area of the embodiments of the control lines 25.
- the cavity in the sleeve 16 is minimal after insertion of the bridge igniter and optionally filled with a non-compressible medium.
- the insulating film 18 may have an electrically conductive layer or be combined with an electrically conductive film.
- This insulation film or insulation films then serve to achieve a sufficient dielectric strength between the opposite
- the conductive coating or the additional conductive film is used to control the electric field in addition to a relevant optimized design of the surface of the contacts 10; 11th
- the films can also serve to fix the movable cap 15 on the sleeve 16.
- the movable cap 15 is designed so that it can bridge the distance between the contacts 10 and 11.
- the cap 15 is moved after activation of the bridge igniter 17 by the expansion of the gas in the cavity of the sleeve 16 in the direction of the contact 10 and the spinous process 13 there.
- vents 14 are provided.
- the cap 15 is jammed in the recess in the lower current-carrying contact 11 and the thorn 13.
- the shank of the cap 15 remains partially in the contact 10 and bridges the distance between the two contacts 10; 11, creating a metallic, conductive connection.
- the mandrel 13 can also be fastened to the movable cap 15 or the cap 15 can be realized with a thorn-shaped extension.
- the current carrying capacity of the above-described electrical connection via the cap 15 is the same, but preferably designed to be higher than the current carrying capacity of the sacrificial element 6.
- the current-carrying contacts 10 and 11 require due to the described operation an exact guidance, which can be realized for example by an insulating sleeve 19 together with sealing rings 20.
- the partially melted powder is so strongly cooled after destruction of the insulating film 18 when entering the vent channel 14 that it solidifies and closes the passage.
- the remaining powder 21 is further heated by the arc and forms a desired metallic bridge between the contacts 10; 11th
- the bridge igniter 17 can be upgraded even with a defined amount of conductive particles.
- the conductive particles can in the cavity of the sleeve 16 by a
- Lacquer layer or mechanically fixed by a film 22 Lacquer layer or mechanically fixed by a film 22.
- the switching elements according to the illustrations according to FIGS. 2 and 3 are capable of realizing a low-resistance metallic connection between the main contacts 1 and 2 via the sacrificial element 6 according to FIGS. 1 and 4.
- the created connection has a current carrying capacity, which
- Main electrodes 1 and 2 is ensured in each case.
- connection via the fast switch according to the embodiments according to FIGS. 2 and 3 takes place with triggering of the bridge igniter within a time of approximately 100 ps, which is comparable to the triggering of a semiconductor switch with corresponding EMC protective measures.
- the auxiliary path with the fast switch 3 can be separated by means of a fuse 4 after the destruction of the sacrificial element 6. Due to the overload resistance of the fast switch and with sufficient
- the fast switch When the current carrying capacity of the metallic cap according to FIG. 2 or the bridge of metallic particles 21 is overloaded, the fast switch functions as a spark gap with a very low arc voltage. At very high loads melt the contacts 10 and 11 in arcing partially, which in turn creates a metallic short circuit in the auxiliary path.
- the auxiliary path can thus independently conduct currents in the range of several 10 kA for a few milliseconds until the discharge takes place by closing the main contacts via the movable contact part 7.
- This current carrying capacity is thus higher than that of a low-cost semiconductor switch with a comparable closing time.
- the cost and space requirements decrease compared to a semiconductor switch considerably.
- the fast switching element can, as indicated in FIG. 1, be provided outside the actual short-circuiting device. Alternatively, however, integration within the short-circuiting device is also possible.
- the fast switch in addition to a complete integration into the flameproof housing of the short-circuiting device, for example, by a plug or screw adapter similar to a fuse with the
- Short circuiters are connected. This allows easy replacement of the unit with the bridge igniter with appropriate execution even under tension.
- FIG. 4 An illustration in this regard is shown in FIG. 4.
- the auxiliary short-circuiter is used on the basis of a bridge igniter in front of the connection 5 of the sacrificial element 6.
- the connection to the terminal 5 can be realized by a pressure or plug connection, so that the auxiliary short-circuiter is interchangeable.
- the auxiliary short-circuiter according to FIG. 2 is inserted in the housing of the main short-circuiter with the potential of the main contact 2 isolated by the part 23.
- the connection of the auxiliary short-circuiter to the terminal 1 of the main short-circuiter is realized via an external connection 24. This connection 24 can also take place within the housing of the main short-circuiting device with a corresponding configuration.
- the terminals 25 for activating the auxiliary short-circuiter to the bridge igniter 17 are isolated outwardly led to a detection unit, not shown, for providing the ignition energy.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Fuses (AREA)
- Circuit Breakers (AREA)
- Air Bags (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018100076.6A DE102018100076B3 (en) | 2018-01-03 | 2018-01-03 | Short-circuiting device for use in low and medium voltage systems for property and personal protection |
PCT/EP2018/083269 WO2019134777A1 (en) | 2018-01-03 | 2018-12-03 | Short-circuiting device for use in low-voltage and medium-voltage systems for the protection of property and persons |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3735703A1 true EP3735703A1 (en) | 2020-11-11 |
EP3735703B1 EP3735703B1 (en) | 2023-08-30 |
Family
ID=64572369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18812155.2A Active EP3735703B1 (en) | 2018-01-03 | 2018-12-03 | Short-circuiting device for use in low-voltage and medium-voltage systems for the protection of property and persons |
Country Status (6)
Country | Link |
---|---|
US (1) | US11145477B2 (en) |
EP (1) | EP3735703B1 (en) |
CN (1) | CN111684562A (en) |
AU (1) | AU2018399890B2 (en) |
DE (1) | DE102018100076B3 (en) |
WO (1) | WO2019134777A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019101307B3 (en) * | 2019-01-18 | 2020-06-18 | Auto-Kabel Management Gmbh | Electric closer |
CN112331522A (en) * | 2020-11-16 | 2021-02-05 | 安徽理工大学 | Non-contact explosion type switch |
CN114400611B (en) * | 2022-01-16 | 2024-03-01 | 莆田学院 | Short-circuit protection device with GaN device convenient for warning |
AT525886B1 (en) * | 2022-07-05 | 2023-09-15 | Miba Sinter Austria Gmbh | Safety switch |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4150266A (en) * | 1977-01-27 | 1979-04-17 | Networks Electronic Corp. | Miniature pyrotechnic squib switch, single pole, normally open |
DE9419141U1 (en) | 1994-11-29 | 1996-03-28 | Kloeckner Moeller Gmbh | Short-circuiter for extinguishing arcing faults for use in switchgear |
US6839209B2 (en) * | 2002-06-14 | 2005-01-04 | Eaton Corporation | Shorting switch and system to eliminate arcing faults in power distribution equipment |
US20030231439A1 (en) * | 2002-06-14 | 2003-12-18 | Juds Mark Allan | Bullet assembly for a vacuum arc interrupter |
US6853525B2 (en) * | 2002-06-14 | 2005-02-08 | Eaton Corporation | Vacuum arc interrupter actuated by a gas generated driving force |
DE102005048003B4 (en) | 2005-08-04 | 2008-04-30 | Dehn + Söhne Gmbh + Co. Kg | Short-circuiting device for use in low and medium voltage systems for property and personal protection |
US8659866B2 (en) * | 2010-08-27 | 2014-02-25 | Cooper Technologies Company | Compact transient voltage surge suppression device |
US8492672B2 (en) * | 2011-08-05 | 2013-07-23 | Eaton Corporation | Insulated arc flash arrester |
DE202012001729U1 (en) * | 2012-02-20 | 2012-04-04 | Dehn + Söhne Gmbh + Co. Kg | Arrangement for plant and personnel protection in the low voltage area |
DE102014110825A1 (en) * | 2014-07-30 | 2014-09-18 | Peter Lell | Electrical switch, in particular for high voltages and / or high currents |
DE102014016274A1 (en) | 2014-09-19 | 2016-03-24 | Dehn + Söhne Gmbh + Co. Kg | Short-circuiting device, in particular for arc fault protection in low and medium voltage installations |
DE102016115222B4 (en) | 2016-06-30 | 2020-02-13 | Dehn Se + Co Kg | Short-circuiting device for use in low and medium voltage systems for property and personal protection |
-
2018
- 2018-01-03 DE DE102018100076.6A patent/DE102018100076B3/en active Active
- 2018-12-03 EP EP18812155.2A patent/EP3735703B1/en active Active
- 2018-12-03 AU AU2018399890A patent/AU2018399890B2/en active Active
- 2018-12-03 CN CN201880088706.4A patent/CN111684562A/en active Pending
- 2018-12-03 US US16/957,825 patent/US11145477B2/en active Active
- 2018-12-03 WO PCT/EP2018/083269 patent/WO2019134777A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
US20210066009A1 (en) | 2021-03-04 |
AU2018399890A1 (en) | 2020-07-16 |
US11145477B2 (en) | 2021-10-12 |
AU2018399890B2 (en) | 2022-01-06 |
WO2019134777A1 (en) | 2019-07-11 |
CN111684562A (en) | 2020-09-18 |
EP3735703B1 (en) | 2023-08-30 |
DE102018100076B3 (en) | 2019-06-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1911059B1 (en) | Short-circuiting device for use in low-voltage and medium-voltage systems for the protection of parts and personnel | |
EP3735703B1 (en) | Short-circuiting device for use in low-voltage and medium-voltage systems for the protection of property and persons | |
EP2030212B1 (en) | Short circuit device | |
EP0313813B2 (en) | Gas blast switch | |
EP1407460B1 (en) | Overvoltage arrester | |
DE102014016938B3 (en) | Overvoltage protection arrangement with short-circuiting device | |
EP1107272B1 (en) | Hybrid circuit breaker | |
WO2008049777A1 (en) | Cut-off arrangement and method for operation of a cut-off arrangement | |
EP3046124A1 (en) | Switch and protective device for high voltage on-board networks | |
EP3759774B1 (en) | Overvoltage protection arrangement with a horn spark gap, located in a housing, with a chamber for arc quenching | |
EP2343721A1 (en) | Gas-isolated high voltage switch | |
DE2711166C2 (en) | Disconnector for a metal-enclosed high-voltage switchgear | |
EP3479391B1 (en) | Short-circuiting device for use in low-voltage and medium-voltage systems for protecting parts and personnel | |
WO2023011680A1 (en) | Electrical connection switching member having penetrating body | |
EP1458072A1 (en) | Short-circuit device to be used in low and medium voltage arrangements | |
DE10313045B3 (en) | Short-circuit device for LV and MV equipment, has mechanically pre-stressed electrodes held apart by overvoltage protection device and brought into contact by failure of latter | |
DE19900666A1 (en) | Electric quick switch | |
EP3699944A1 (en) | Electrical interrupter switch with a tubular separating element with varying wall thickness | |
EP3195341B1 (en) | Short-circuiting device, particularly for protection against internal arcs in low-voltage and medium-voltage systems | |
EP1760743A1 (en) | Vacuum circuit breaker with rotatably mounted movable contact | |
DE10025239C2 (en) | Partially or fully enclosed spark arrester | |
EP3561972A1 (en) | Network influencing installation | |
EP3459090B1 (en) | Encapsulated surge protection apparatus in coaxial design with cup-like housing | |
DE102007063446B3 (en) | Vacuum interrupter | |
EP3127199A1 (en) | Surge arrester |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
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 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20200710 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: DEHN SE |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H01H 79/00 20060101ALI20230228BHEP Ipc: H01H 39/00 20060101ALI20230228BHEP Ipc: H01H 37/76 20060101AFI20230228BHEP |
|
INTG | Intention to grant announced |
Effective date: 20230328 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE PATENT HAS BEEN GRANTED |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AL AT BE BG CH CY CZ DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
RBV | Designated contracting states (corrected) |
Designated state(s): AL AT BE BG CH CY CZ DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R108 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: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: GERMAN |
|
REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG9D |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: MP Effective date: 20230830 |
|
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: 20231201 |
|
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: 20231230 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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: 20230830 Ref country code: RS 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: 20230830 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: 20231130 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: 20230830 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: 20230830 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: 20231230 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: 20230830 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: 20231201 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: 20230830 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20231220 Year of fee payment: 6 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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: 20230830 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: 20230830 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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: 20230830 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SM 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: 20230830 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: 20230830 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: 20230830 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: 20230830 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: 20230830 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: 20230830 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: 20240102 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: 20230830 |