EP3673548A1 - Miniaturized horn spark gap with integrated deion chamber - Google Patents
Miniaturized horn spark gap with integrated deion chamberInfo
- Publication number
- EP3673548A1 EP3673548A1 EP19725721.5A EP19725721A EP3673548A1 EP 3673548 A1 EP3673548 A1 EP 3673548A1 EP 19725721 A EP19725721 A EP 19725721A EP 3673548 A1 EP3673548 A1 EP 3673548A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- horn
- spark gap
- miniaturized
- electrodes
- deion 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
- 239000011810 insulating material Substances 0.000 claims abstract description 25
- 238000010791 quenching Methods 0.000 claims abstract description 9
- 230000000171 quenching effect Effects 0.000 claims abstract description 9
- 230000002787 reinforcement Effects 0.000 claims description 6
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000004049 embossing Methods 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 238000005728 strengthening Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 22
- 238000001816 cooling Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 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
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/10—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel
- H01T4/14—Arcing horns
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H9/342—Venting arrangements for arc chutes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T1/00—Details of spark gaps
- H01T1/02—Means for extinguishing arc
Definitions
- the invention is based on a miniaturized horn spark gap with an integrated deion chamber, consisting of a multi-part insulating material housing as a support and receiving body for the horn electrodes and the deion chamber, the horn electrodes having an asymmetrical shape with a longer and a shorter electrode, the horn electrodes in Ignition area run almost parallel and then diverge, furthermore a deion chamber part which can be inserted into the support and receiving body and which accommodates a large number of extinguishing plates and has through-channels is formed as a deion chamber according to the preamble of claim 1.
- the quenching plates are spaced apart in such a way that a multiplicity of channels for receiving gases caused by arcing is formed.
- the quenching plates have a slot-shaped inlet area. Furthermore, a gas outflow area is formed through lateral and / or end openings between the extinguishing plates. Starting from the axis of symmetry of the arc quenching chamber, the gas outflow areas are between
- separators are provided, with the partial gas streams in particular being mixed only in a common relaxation space and subjecting them to a union there.
- Such a deion chamber has a small size and can be used for increased operating voltages.
- the horn spark gap with deion chamber according to DE 10 2011 102 257 B4 is of a non-blowing design with a multi-part Insulated housing as a support and receptacle for the horn electrodes and the deion chamber. Means for guiding the gas flow caused by the arc are also present.
- the insulating material housing is divided in the plane spanned by the horn electrodes and forms a first and second half-shell.
- a plate-shaped insulating material disc In the arc running area between the electrodes in the direction of the deion chamber, there is a plate-shaped insulating material disc and delimits this area.
- the insulating material is used in a corresponding shape in the respective half-shell.
- a multi-part insulating material housing is also provided as a support and receiving body for horn electrodes and the deion chamber. There are also means for guiding the arcing
- the insulating material housing is divided in the plane spanned by the horn electrodes and forms a first and a second half-shell.
- the horn electrodes have an asymmetrical shape with a longer and a shorter electrode. In the ignition area, both electrodes run almost parallel or with little divergence.
- the arc running area between the electrodes in the direction of the deion chamber is delimited by a plate-shaped insulating material which is inserted in a form-fitting manner in a first shape of the respective half-shell.
- the first forms take a ferromagnetic
- the plate-shaped insulating material electrically separating the respective deposit from the electrodes.
- the half-shells have further, second formations, which one
- Such a horn spark gap can form a universal module with external connection terminals for the electrodes, which can be integrated into a plug-in part or an outer housing, depending on the customer's requirements.
- the object of the invention is achieved by a miniaturized horn spark gap with an integrated deion chamber according to the combination of features according to claim 1, the subclaims at least
- the horn spark gap consists of a multi-part, in particular two-part, insulating material housing.
- the insulating housing provides a support and receiving body for the horn electrodes and the
- the horn electrodes preferably have an asymmetrical shape with a longer and a shorter electrode.
- the horn electrodes run almost parallel in the ignition area or diverge minimally. Then the distance increases
- the deion chamber is designed as a deion chamber part which can be inserted into the support and receiving body and is held by the latter and which accommodates a large number of extinguishing plates and has through-channels for an arc-induced gas flow.
- the horn electrodes are equipped with a metallic deposit at least in the running area of an arc that arises.
- the reinforcement is fixed on the back of the horn electrode in question, so that the actual arc running area is not disturbed and the arc does not "hang".
- the metallic deposit and reinforcement of the horn electrodes also leads to better cooling of arcs due to the greater heat capacity.
- the shorter electrode is designed as a hook horn electrode extending to the deion chamber part.
- the gas flow which arises as a result of the ignition and burning of an arc is thus conducted into the deion chamber and the extinguishing plates and passageways present there.
- a metallic baffle Spaced and on the output side of the through channels, this is at least partially covered by a metallic baffle, the baffle simultaneously with the insulating material housing, which mechanically reinforces it. is connectable.
- An example of a connection is a force-locking riveting or screwing.
- the baffle serves on the one hand for the mechanical reinforcement of the
- the baffle serves to reflect pressure or gas flow. The aim is to stop the arc at the resulting narrow point
- the baffle also serves to cool the resulting gases.
- the baffle wall can have a closed, a slotted or a gas flow reflection surface provided with flow-guiding slot embossing.
- Direction of gas flow can be influenced in a targeted manner.
- the horn electrodes are both led up to the deion chamber part and the metallic deposit is designed as a reinforcement on the back by means of an insert part.
- Both the material of the electrodes and that of the metallic backing can consist of galvanically tinned copper.
- Foil circuit board arranged to trigger the spark gap.
- the flexible or foil circuit board can accommodate an electrical or electronic component that is immersed in the free space. In this way, the volume available in the free space is optimally used for the purpose of miniaturizing the spark gap as required.
- the electrical component mentioned can be a gas arrester which is in electrical connection with a corresponding conductor section of the circuit board.
- an ignition aid which consists of a conductive plastic, preferably black POM, extends into the ignition area of the horn electrodes.
- the baffle is preferably designed as a stamped and bent part and has two bends, which openings for receiving non-positive
- the horn electrodes are each guided through one of their ends through an opening in the insulating material housing in order to enable direct electrical contact. There is no need for separate connection means which are to be contacted with the electrodes first.
- the insulating material housing has at least one elevation or one projection on one of its inner sides. This elevation or the lead serve to form a
- the miniaturized horn spark gap created has essentially outer dimensions of
- FIG. 1 shows an exploded view of the miniaturized horn spark gap with an integrated deion chamber
- Fig. 2 is a detailed representation of the deion chamber, designed as
- Fig. 3 shows a detailed view of the film circuit board, designed as
- Trigger circuit board with integrated gas arrester on the circuit board
- Fig. 4 shows a first embodiment of the baffle with the closed
- Fig. 5 shows another embodiment of the baffle in slotted
- FIG. 6 shows a further embodiment of a baffle with slot embossing for deflecting the gas flow with the side edges being bent;
- the insulating material housing comprises an upper part 1 and a lower part 2.
- the corresponding housing parts are equipped on the inside with structures for receiving, ie for mechanically fixing, the other functionally relevant components.
- a metallic concentrator 3; 4 used for electrical insulation between the respective concentrator 3; 4 an insulating plate 5; 6, in particular consisting of volcanic fiber, arranged.
- the corresponding insulating plate 5; 6 ensures the necessary electrical separation from the respective concentrator 3; 4th
- the housing parts 1; 2 continue to take a Deionhuntteil 7.
- This deion chamber part 7 consists of a plastic carrier with through channels and slots, the latter corresponding extinguishing plates 8
- the horn electrodes can also be used in the housing parts. On the one hand, there is a hook horn electrode 9 as the shorter electrode and a long horn electrode 10 as the longer of the electrodes.
- Both the hook horn electrode 9 and the long horn electrode 10 are interposed by metal 11; 12 reinforced.
- a trigger circuit board 13 is used (see also the detailed illustration according to FIG. 3).
- This trigger circuit board 13 which is designed in particular as a film circuit board, is in electrical connection with an S-POM board 14, which projects into the ignition area between the horn electrodes.
- the trigger circuit board 13 has a contact surface 15 and, in a special embodiment, a gas arrester 16.
- an impact plate 17 (see also FIGS. 4 to 6) is present.
- the baffle plate is spaced and arranged on the output side of the through channels of the deion chamber part 7, at least partially covering them, the baffle wall 17 being connectable to the insulating material housing at the same time in a mechanically reinforcing manner, as can be seen in FIG. 7 by a person skilled in the art.
- baffle plate 17 happens for example with tubular rivets 18 through corresponding recesses in the housing parts 1; 2 and breakthroughs in the baffle 17 are performed.
- the baffle 17 forms a closed, depending on the embodiment,
- baffle wall 171 with an essentially closed gas flow reflection surface is assumed.
- the baffle 172 according to FIG. 5 has slot-shaped openings.
- baffles 17, 171, 172 and 173 in question are preferred as
- Stamped-bent parts are formed and have two lateral bends or bends, which openings 20 complementary to recesses in the housing parts 1; 2 have. These openings 20 serve to accommodate example rivets 18 (see Figure 1); the baffles now not only lead to the cooling and conduction of gas flow, but also stabilize the design of the insulating material housing, allow the gas flow to be cooled by heat dissipation and prevent damage to adjacent components or to an outer housing (not shown in the figures).
- the carrier part 2 has an elevation X, which serves to establish a secure electrical connection between the trigger printed circuit board 13 and the contact area 15 there to the hook horn electrode 9.
- FIG. 7 also shows how the trigger circuit board 13
Landscapes
- Constitution Of High-Frequency Heating (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI201930119T SI3673548T1 (en) | 2018-08-29 | 2019-05-21 | Miniaturized horn spark gap with integrated deion chamber |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018121138.4A DE102018121138B3 (en) | 2018-08-29 | 2018-08-29 | Miniaturized horn spark gap with integrated deion chamber |
PCT/EP2019/063031 WO2020043331A1 (en) | 2018-08-29 | 2019-05-21 | Miniaturized horn spark gap with integrated deion chamber |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3673548A1 true EP3673548A1 (en) | 2020-07-01 |
EP3673548B1 EP3673548B1 (en) | 2021-07-28 |
Family
ID=66625987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19725721.5A Active EP3673548B1 (en) | 2018-08-29 | 2019-05-21 | Miniaturized horn spark gap with integrated deion chamber |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3673548B1 (en) |
CN (1) | CN111602304A (en) |
DE (1) | DE102018121138B3 (en) |
SI (1) | SI3673548T1 (en) |
WO (1) | WO2020043331A1 (en) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4007606A1 (en) * | 1990-03-09 | 1991-09-12 | Licentia Gmbh | Automatic load protection switch |
DE4439730C2 (en) | 1994-10-17 | 1996-09-26 | Phoenix Contact Gmbh & Co | Surge protection element |
DE102005015401B4 (en) * | 2005-01-10 | 2014-03-20 | Dehn + Söhne Gmbh + Co. Kg | Surge arrester with two diverging electrodes and a spark gap acting between the electrodes |
DE102011123020B3 (en) | 2010-08-04 | 2016-10-27 | Dehn + Söhne Gmbh + Co. Kg | Horn spark gap with deion chamber |
DE102011102937B4 (en) | 2010-08-17 | 2017-03-02 | DEHN + SÖHNE GmbH + Co. KG. | Arrangement for the ignition of spark gaps |
DE102013112400A1 (en) | 2012-12-03 | 2014-06-05 | Dehn + Söhne Gmbh + Co. Kg | Arc extinguishing chamber for surge arrester e.g. encapsulated surge arrester, has gas exhaust region guided between metal sheets based on symmetry axis of extinguishing chamber, where gas streams are mixed in common recreation room |
US9153399B2 (en) * | 2013-11-15 | 2015-10-06 | Eaton Corporation | ARC baffling device |
-
2018
- 2018-08-29 DE DE102018121138.4A patent/DE102018121138B3/en not_active Expired - Fee Related
-
2019
- 2019-05-21 SI SI201930119T patent/SI3673548T1/en unknown
- 2019-05-21 CN CN201980008484.5A patent/CN111602304A/en active Pending
- 2019-05-21 EP EP19725721.5A patent/EP3673548B1/en active Active
- 2019-05-21 WO PCT/EP2019/063031 patent/WO2020043331A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO2020043331A1 (en) | 2020-03-05 |
SI3673548T1 (en) | 2022-01-31 |
EP3673548B1 (en) | 2021-07-28 |
DE102018121138B3 (en) | 2019-12-05 |
CN111602304A (en) | 2020-08-28 |
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