CN105552721A - Surge voltage protector - Google Patents
Surge voltage protector Download PDFInfo
- Publication number
- CN105552721A CN105552721A CN201510692212.5A CN201510692212A CN105552721A CN 105552721 A CN105552721 A CN 105552721A CN 201510692212 A CN201510692212 A CN 201510692212A CN 105552721 A CN105552721 A CN 105552721A
- Authority
- CN
- China
- Prior art keywords
- ignitor
- main electrode
- hole
- surge voltage
- housing
- 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
- 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
- H01T1/20—Means for starting arc or facilitating ignition of spark gap
-
- 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
- H01T1/15—Details of spark gaps for protection against excessive pressure
-
- 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
- H01T1/20—Means for starting arc or facilitating ignition of spark gap
- H01T1/22—Means for starting arc or facilitating ignition of spark gap by the shape or the composition of the electrodes
-
- 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
- H01T2/00—Spark gaps comprising auxiliary triggering means
- H01T2/02—Spark gaps comprising auxiliary triggering means comprising a trigger electrode or an auxiliary spark gap
-
- 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
-
- 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
- H01T4/12—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel hermetically sealed
Abstract
The description provides a surge voltage protector used in a power supply unit of a low voltage power network.The surge voltage protector is provided with a metal housing (2), two main electrodes (3,4) whose electrical connection areas(3a, 4a) are oppositely arranged in the axial direction and extending from the housing (2), an electric arc ignition chamber (5) and an auxiliary igniting mechanism with at least one resistance ignitor(6) which are formed inside the housing (2) and between the two electrodes (3,4), weherein a spark space is formed between the two main electrodes (3,4) so that electric arc is formed inside the electric arc ignition chamber (5) when the spark space between the two main electrodes is ignited. In the surge voltage protector, electric connection of the ignitor can be realized through such simple method. A main electrode(4) is provided with a hole; the electrical connection area(6a) of the ignitor (6) passes through the hole and extends outwards from the housing (2), or the ignitor (6) is provided with a hole, the electrical area (4a)of the main electrode (4) passes through the hole and extends outwards from the housing(2).
Description
Technical field
The present invention relates to the surge voltage protector be used in the electric supply installation of low voltage electric network; it has the main electrode that mutually opposing and its electrical connection district of housing, two axis stretches out from this housing, the auxiliary body of igniting being formed in the arc ignition room between two main electrodes and having at least one ignitor in this housing; wherein between two main electrodes, form spark gap, thus at the indoor formation electric arc of this arc ignition when the spark gap between two main electrodes ignites.
Background technology
In low voltage electric network; in order to voltage protection of surging; usual employing is based on the surge voltage protector of spark gap; namely; spark gap is the surge voltage protector of its important component part; it responds when certain overvoltage, occurs electric arc when wherein spark gap between two electrodes ignites.Because be also used to anti-lightning strike protection with the surge voltage protector of spark gap, thus very high and skyrocket until the current value of three figure place kilo-ampere scopes can flow through this spark gap.Based on the pressure now occurred in surge voltage protector, this surge voltage protector is generally arranged in pressure hull, and this housing is made up of metal especially steel usually.
As the surge voltage protector of discharger, really there is the high advantage of impulse current ability to bear with spark gap, but also have response voltage relatively high but neither be stable especially shortcoming.Therefore, adopted multi-form auxiliary body of igniting very early in order to igniting of spark gap, reduce whereby spark gap or surge voltage protector response voltage.In addition, the auxiliary body of igniting that general employing is following, it has at least one ignitor, and this ignitor is connected with current potential by external circuit, and this current potential is different from the current potential be added in two main electrodes.
Therefore; such as disclose surge voltage protection part by DE19803636A1; its spark gap having two electrodes and formed in-between the electrodes, it also has two parts of ignitor as auxiliary body of igniting forming pilot spark gap except two main electrodes.In addition, the shot-firing circuit with glow switch element also belongs to auxiliary body of igniting, and wherein has the response action of shot-firing circuit for the pilot spark gap when the overvoltage of response is applied on surge voltage protection part of glow switch element.The response in pilot spark gap causes the ionization of the air be present in the spark gap between two main electrodes, thus after the pilot spark gap be made up of two ignitors responds, suddenly appear at the response action of the main spark gap between two main electrodes or ignite.
Disclose a kind of aforesaid surge voltage protector by DE10338835A1, wherein, the distance between two electrodes is selected as size like this, and namely arc voltage is higher than the line voltage expected.Thus, electrical network afterflow should be prevented.In order to the response voltage of surge voltage protector is too high less than relatively large distance between two electrodes because of spark gap, be provided with auxiliary body of igniting, by auxiliary body of igniting to adjust the response voltage of the expectation of surge voltage protector.
In known surge voltage protector, auxiliary body of igniting also has ignite part and voltage switch element except ignitor, and wherein this ignitor and the part that ignites to be arranged in metal shell and to be connected with arc ignition room.When there is the overvoltage higher than the response voltage of voltage switch element, electric current is now first had to flow to ignitor from the first terminals of surge voltage protector through voltage switch element and housing.Because resistance ignites, part is at this ignitor of a side contacts and in main electrode corresponding to opposite side contact, therefore has electric current to flow to corresponding main electrode from ignitor through the part that ignites.Now, the electric current flowing through the part that ignites cause ignitor and corresponding to the part that ignites main electrode between electric discharge or starting arc, thus, this arc ignition room is filled parameter in ionized gases, so appear at igniting of the spark gap between two main electrodes immediately.Even if the auxiliary body of igniting as described in DE10338835A1 is long-tested in practice, ignitor by the electrical connection of metal shell require for make housing relative to two main electrodes and arc ignition room and the insulation of ionization hot gas that produces wherein more complicated.
Also disclose a kind of surge voltage protector by EP1992051B1, it has metal shell and two and is located at main electrode in shell and ignitor, forms arc ignition room between two main electrodes.In order at metal shell inner position three electrodes, described electrode is embedded in surely in body respectively, one of them main electrode and ignitor at least this fixed in body be made up of insulating material.In the surge voltage protector that this is known, therefore this ignitor is insulated relative to metal shell, thus housing cannot be used to the electrical connection of this ignitor.
Now, the connection of this ignitor is realized by the tape conductor of insulation, and the first end peelling off insulation of this tape conductor is connected with ignitor and the gap-like space that its second end is passed between the outer surface of a main electrode and corresponding fixed middle body stretches out.Even if ribbon conductor used only should have very little thickness, this interstitial gap is also the perforation of insulation for this conductor, and thus, this insulation is weakened.In addition, in surely, the processing cost that gap involves increase is formed in body.
Summary of the invention
Therefore, the present invention is based on following task, so improve the surge voltage protector described in forward position, aforesaid shortcoming can be avoided.Especially, now should realize the electrical connection of ignitor by as far as possible simple method and mode, wherein should try one's best and not increase for electrode mutually insulated and the electrode expense relative to the insulation of housing.
This task so completes in the aforesaid surge voltage protector of feature with claim 1; the hole outside housing is stretched out in one of two main electrodes electrical connection district had for ignitor, or the hole outside housing is extended in this ignitor electrical connection district had for one of two main electrodes.Therefore, according to the present invention, the connection of third electrode and ignitor or a main electrode neither neither be realized by ribbon conductor by housing, but is passed in the hole formed in another electrode and main electrode or ignitor by the bonding pad of this electrode and ignitor or main electrode.
By making the bonding pad of one of them electrode through the hole in another electrode, the electrode with this hole is uninfluenced relative to the insulation of housing.In addition, surge voltage protector of the present invention has the following advantages, and this electrode and insulator used can symmetrically be formed, and this simplify it and manufactures.Finally, surge voltage protector of the present invention has the following advantages, by making the bonding pad of one of them electrode and ignitor or main electrode through the hole in the second electrode and main electrode or ignitor, without the need to the structure space required for increasing in this housing.Therefore this be favourable, because the surge voltage protector in modern times should have as far as possible little physical dimension more and more, thus in housing, operational structure space is very limited.
As previously mentioned, or one of two main electrodes have hole, and the electrical connection district of ignitor extends through this hole, or this ignitor has hole, and the electrical connection district of one of two main electrodes extends through this hole.Now, the common ground of two replacement schemes is, one of them main electrode is mutually coaxially arranged with this ignitor, and here, one of two electrodes i.e. main electrode or ignitor has the hole supplying the bonding pad of another electrode and ignitor or main electrode to pass.
In order to arrange in this hole, fix and this bonding pad of insulating, in two replacement schemes, the insulation that is at least surrounded the electrical connection district of respective electrode is preferably set in this hole.If there is described hole according to one of them main electrode of preferred implementation, then arrange in this hole or form the insulation of at least surrounding the electrical connection district of this ignitor.Extend past the insulation introduced between the bonding pad in this hole and main electrode now except causing the electric insulation between electrode at ignitor, also cause the reliable location of this ignitor and fixing.
Because may there is high pressure in arc ignition indoor under discharge scenario, therefore exist following dangerous in principle, namely ignitor can be squeezed out this housing by the hole in this main electrode or main electrode by the hole in this ignitor.In order to prevent this point, described main electrode, ignitor and insulation are so mutually coordinated in size and geometry, namely stop that corresponding electrode and ignitor or main electrode are axially outer to be moved.
According to advantageous variant of the present invention, if this housing is stretched out through the hole in main electrode in the bonding pad of this ignitor, therefore hole then in this main electrode, ignitor and insulation so design in size and geometry, namely this ignitor can be bearing in insulation when there is high pressure in arc ignition indoor, and in the hole of this insulation supporter in main electrode.This such as can simple realization like this, that is, the bonding pad of ignitor and the external diameter of insulation can conically be formed, and here, diameter and the outer insulation diameter of ignitor bonding pad from inside to outside reduce.When so conically forming the external diameter of insulation, so also can the corresponding internal diameter conically forming the hole in main electrode, that is, the Axial changes of hole internal diameter adapts to the Axial changes of outer insulation diameter.
If have the outward extending hole, electrical connection district for one of them main electrode according to this ignitor of the second replacement scheme, then aforesaid execution mode is corresponding is suitable for.In this modification, so arrange the insulation in the electrical connection district at least surrounding this main electrode in hole in ignitor.
As described above, determine that the auxiliary body of igniting of the response voltage of surge voltage protector has at least one ignitor whereby.This ignitor now can be arranged apart from one of two main electrodes Small Distance, thus between ignitor and the main electrode of correspondence, form pilot spark gap.So igniting of this pilot spark gap causes the ionization of arc ignition room, so thus also there is igniting of (master) spark gap between two main electrodes.
According to an Advantageous embodiments of surge voltage protector of the present invention; auxiliary body of igniting also has shot-firing circuit and resistance and to ignite part except ignitor, and wherein this part that ignites is connected with arc ignition room and contacts with ignitor in side and contact with corresponding main electrode at opposite side.With regard to its basic structure, so this ignites auxiliary body can with the auxiliary body of igniting as described in DE10338835A1 form, therefore, after shot-firing circuit ignites, first have electric current to flow to corresponding main electrode from ignitor through the part that ignites.But the surge voltage protector be different from disclosed in DE10338835A1, the electrical connection of this ignitor is not realized by housing, but by ignitor from this housing reach outside bonding pad.
Because the little current capacity on the part surface of igniting at least be connected with arc ignition room, therefore flow through the electric current guiding discharge of the part that ignites, this causes the ionization of arc ignition room.If arc ignition room is fully filled with parameter in ionized gases, then there is igniting of the spark gap between two main electrodes, thus occur electric arc between two main electrodes, so treat that Lou loose impulse current flows through this electric arc.
If this ignitor electrical links district had for one of them main electrode extends out to the hole outside housing in surge voltage protector of the present invention; then with ignitor back to bonding pad end face compared with, the end face back to bonding pad of main electrode preferably has less distance from opposed main electrode.This main electrode now preferably has T-shaped cross section, and wherein the axially extended supporting leg of T-shaped main electrode forms this electrical connection district, and it reaches outside housing through the hole in ignitor.
The electrical connection district had for ignitor a main electrode extends out in the modification of the surge voltage protector of the present invention in the hole outside housing; can so form this connecting electrode, namely this ignitor end face and corresponding main electrode back to bonding pad back to bonding pad end face compared with from opposed main electrode, there is less distance.So namely the ignitor that cross section is preferably T-shaped in this embodiment variant is only partly arranged in the hole in this main electrode with the axially extended supporting leg of the formation bonding pad of T-shaped ignitor.And the extension supporting leg perpendicular to axial direction of T-shaped ignitor is positioned at arc ignition indoor, between two the opposed end faces being namely spatially arranged on two main electrodes.When so T-shaped formation ignitor; so the part that ignites belonging to auxiliary body of igniting can be blocked by the supporting leg of the extension perpendicular to axial direction of T-shaped ignitor, thus the part that ignites is protected relative to the hot gas generated in arc ignition room when there is electric arc between two main electrodes.Thus, the heat load of the part that ignites can be reduced.
In addition, in this execution mode of surge voltage protector of the present invention, between ignitor end face and the end face of opposed main electrode, preferably insulation is set.By arranging this insulation, stoping and between ignitor and opposed main electrode, forming electric arc after auxiliary body of igniting responds.Therefore electric arc is formed after the spark gap ensureing between two main electrodes ignites.Because the distance in this execution mode of surge voltage protector between two main electrodes is greater than the distance between ignitor and opposed main electrode; therefore accomplish the increase of arc ignition voltage thus, this has influence on the disappearance of the electrical network afterflow perhaps existed energetically.
According to the particularly preferred execution mode of surge voltage protector of the present invention; wherein the hole outside housing is extended in this main electrode electrical connection district had for ignitor; the main electrode opposed back to the tip to face distance of bonding pad of this ignitor have larger distance (with main electrode back to bonding pad end face compared with), therefore the end face of ignitor is not charged in arc ignition room.In the embodiment variant of this surge voltage protector, the ignitor being preferably clavate at this is embedded in this main electrode, thus the end face of ignitor is relative to the end face retrude of its main electrode of encirclement.Because the end face of this ignitor is not now charged in arc ignition room, but be arranged in the hole in main electrode, therefore the heat load of ignitor is lowered when there is electric arc between two main electrodes.
If ignited in this advantageous variant execution mode of surge voltage protector, auxiliary body has the part that ignites; the part that then ignites also preferably is arranged in the hole of main electrode; thus the part that ignites does not charge into arc ignition room, when this causes there is electric arc between two main electrodes, the heat load of this part that ignites also reduces.
In addition, this part that ignites preferably is formed in the dish type with through hole, and at this, the external diameter of the part that ignites corresponds to the external diameter of internal diameter corresponding to the front end face of ignitor of internal diameter through hole of part and this ignites in the hole in main electrode.Now, ignitor preferably evenly terminates with the end face towards arc ignition room of the part that ignites.
According to another expedients of this embodiment variant, in addition, between arc ignition room and the end face of ignitor, be provided with insulation, wherein in this insulation, form at least one hole, this part that ignites is connected with arc ignition room by this hole.The insulation being arranged on part end face front of igniting causes the supplementary protection of the part that ignites, thus it still runs into the heat load brought by the electric arc existed between two main electrodes or the hot gas that generates thus on a small quantity.But, be ensure that after responding in auxiliary body of igniting, have electric current from ignitor when the part that ignites flows to corresponding main electrode, occur the arc ignition room ionization expected by least one hole described in being located in this insulation.
Accompanying drawing explanation
Specifically, the many kinds of possibilities designing and improve surge voltage protector of the present invention are had now.To this, not only see the claim that claim 1 is later, also see below in conjunction with accompanying drawing description of a preferred embodiment, accompanying drawing illustrates:
Fig. 1 is the rough schematic view of the first embodiment of surge voltage protector,
Fig. 2 is the simplification view of the modification of surge voltage protector according to Fig. 1,
Fig. 3 is the rough schematic view of the second embodiment of surge voltage protector in principle,
Fig. 4 is the simplification view of the 3rd embodiment of surge voltage protector,
Fig. 5 is the simplification view of the modification of surge voltage protector according to Fig. 4.
Embodiment
Accompanying drawing illustrates the rough schematic view of the different embodiment variant of surge voltage protector 1 of the present invention; here; surge voltage protector 1 has housing 2, and housing has the mutually opposing main electrode 3 and 4 of two axis, forms arc ignition room 5 between main electrode.Just as common in the prior art, bonding pad 3a, 4a of two main electrodes 3,4 stretch out housing 2, thus surge voltage protector 1 such as can be electrically connected with the L phase of low voltage electric network and neutral line N.Except two main electrodes 3,4, be also provided with an ignitor 6 in the housing 2 of surge voltage protector 1, ignitor is the part of auxiliary body of igniting, and can regulate by this auxiliary body of igniting or determine the response voltage of surge voltage protector 1.Ignite auxiliary body now for making surge voltage protector 1 respond when overvoltage, and this overvoltage is starkly lower than the response voltage of the spark gap between two main electrodes 3,4.
In the embodiment shown in Fig. 1 and 2 and Figure 4 and 5, the second main electrode 4 has hole, and the electrical connection district 6a of ignitor 6 reaches outside housing 2 through this hole.Therefore, being connected electrically in surge voltage protector 1 of the present invention of ignitor 6 is so carried out, that is, firing potential is directed into housing 2 inside through the hole formed in main electrode 4.This has following advantage, does not need the sleeve pipe such as in slype form or other the perforation of the insulator 7 surrounding main electrode 4.Sealing between housing 2 and insulator 7 is also unaffected.Therefore, the isolated insulator 7,8 for two main electrodes 3,4 and housing 2 inside need not be affected in order to the electrical connection of ignitor 6.Especially, except housing 2 and two main electrodes 3,4 and ignitor 6, insulator 7,8 also can symmetrically be formed, and this simplify it and manufactures.In addition, the bonding pad 6a of ignitor 6 does not cause the structure space in housing 2 to increase through main electrode 4 yet.
In order to bonding pad 6a that is fixing and insulation ignitor 6, installing insulating 9 in the hole of main electrode 4, this insulation is surrounded the bonding pad 6a of the part 6 that ignites and is full of this hole completely.Embodiment according to the surge voltage protector 1 of Fig. 2 is now with the difference of the surge voltage protector 1 according to Fig. 1; according in the surge voltage protector 1 of Fig. 2, the bonding pad 6a of ignitor 6 and the external diameter of insulation 9 and also have the hole of formation in main electrode 4 conically to form correspondingly.Which results in, occurring when imposing the high pressure of axial force to ignitor 6 when there is electric arc in arc ignition room 5, the bonding pad 6a of ignitor 6 can be bearing in insulation 9 and in the hole of insulation supporter in this main electrode 4.
The embodiment as shown in Figure 3 of surge voltage protector 1 of the present invention and all the other embodiments and be especially mainly according to the difference of the embodiment of Fig. 1, the layout of the second main electrode 4 and ignitor 6 is exchanged.Therefore, in the surge voltage protector 1 shown in Fig. 3, ignitor 6 has hole, and the electrical connection district 4a of the second main electrode 4 reaches outside housing 2 through this hole.Now, in the hole of ignitor 6, be provided with the insulation 9 of the bonding pad 4a surrounding main electrode equally, the bonding pad 4a of main electrode 4 is insulated relative to ignitor 6 by this insulation, but insulation is in addition for being fixed on main electrode 4 in the hole in ignitor 6.Similar to shown in Fig. 2, also can conically form with the hole be formed in ignitor 6 at the bonding pad 4a of this main electrode 4 and the external diameter of insulation 9.
The common ground of all embodiments is as shown in the figure, auxiliary body of igniting also has shot-firing circuit and resistance and to ignite part 12 except ignitor 6, and this shot-firing circuit is made up of the surge voltage protector 10 of gas filling and the series circuit of variable resistor 11.The part 12 that ignites is connected ignitor 6 in side and connects corresponding main electrode 4 at opposite side, thus after shot-firing circuit ignites, first have electric current to flow to main electrode 4 from ignitor 6 through the part 12 that ignites.Because part 12 surface of igniting be connected with arc ignition room 5 at least only has relative little current-carrying performance, therefore the electric current flowing through the part 12 that ignites causes electric discharge, and this causes the gas ionization in arc ignition room 5.If arc ignition room 5 is fully filled with parameter in ionized gases, then appear at igniting of the spark gap between two main electrodes 3,4 immediately, thus there is electric arc between two main electrodes 3 and 4, treat that the impulse current of leakage conductance flows through this electric arc.Ignitor 6 and the part 12 that especially ignites no longer withstand shocks electric current subsequently.
In two embodiments of the surge voltage protector 1 according to Fig. 1 and 2; the T-shaped formation of cross section of ignitor 6; at this, only have the axially extended supporting leg of T ignitor 6 to be positioned at the hole of main electrode 4, and the supporting leg of the extension perpendicular to axial direction of T-shaped ignitor 6 is positioned at arc ignition room 5.Thus with main electrode 4 back to bonding pad 4a end face 4b compared with, ignitor 6 apart from opposed main electrode 3 or its end face 3b, there is less distance back to the end face 6b of bonding pad 6a.Because the supporting leg of the extension now perpendicular to axial direction of T-shaped ignitor 6 hides the part 12 that ignites, therefore the part 12 that ignites is relative to arc ignition room 5 conductively-closed, and then the heat load of the part 12 that ignites reduces, because the part 12 that ignites runs into the hot gas and high pressure that occur when there is electric arc only smallerly.
Further, between the end face 6b and the opposed end face 3b of main electrode 3 of ignitor 6, be provided with insulation 13, this insulation is made up of disking body.Insulation 13 prevention forms electric arc after spark gap ignites between the end face 6b of ignitor 6 and the opposed end face 3b of main electrode 3.
According in the embodiment of Fig. 3, the second main electrode 4 as according to the ignitor 6 in the embodiment of Fig. 1 and 2 with the T-shaped formation of cross section.The supporting leg of the extension perpendicular to axial direction of T-shaped main electrode 4 is now positioned at arc ignition room 5, thus compared with the end face 6b of ignitor, and the end face 4b of main electrode 4 has less distance from the end face 3b of opposed main electrode 3.
Figure 4 and 5 illustrate a particularly preferred execution mode of surge voltage protector 1, wherein compared with the end face 4b of main electrode 4, ignitor 6 back to the end face 6b of bonding pad 6a apart from the end face 3b of opposed main electrode 3, there is larger distance.Therefore, the end face 6b of ignitor 6 does not charge in arc ignition room 5 in these two embodiments, but retrude be arranged in main electrode 4 hole in.The part 12 that ignites also is formed in the dish type with through hole in the case, and the end back to bonding pad 6a of ignitor is charged in this through hole, and at this, the end face 6b of ignitor evenly terminates with the end face towards arc ignition room 5 of the part 12 that ignites.
In addition, in arc ignition room 5 with ignite between part 12, also have another insulation 14 to be arranged in the hole in main electrode 4, another insulation described hides the end face towards arc ignition room 5 of this part 12 that ignites.Now in insulation, 14 form multiple holes 15, thus the part 12 that ignites is connected with arc ignition room 5 and after responding in auxiliary body of igniting, has electric current when the part 12 that ignites flows to main electrode 4, to occur from ignitor 6 expect gas ionization arc ignition room 5.In the invention modification of surge voltage protector 1, therefore the part 12 that ignites very well is protected in order to avoid be subject to the high pressure-temperature impact occurred when generating electric arc in arc ignition room 5.
According in the surge voltage protector 1 of Fig. 5; ignitor 6 is also conically formed as insulation 9; therefore; when occurring imposing the high pressure of axial force to ignitor 6 when the indoor generation electric arc of arc ignition, ignitor 6 can be bearing in insulation 9 and insulation can be bearing in the hole in main electrode 4.Such high pressure may cause occurring that this ignitor 6 is axially outer in other cases and move, i.e. the hole that will be squeezed out in main electrode 4 of ignitor 6.
As shown in the figure, in surge voltage protector 1 of the present invention, housing 2, described two main electrodes 3,4, ignitor 6 and the object 7,8,9 and 13 that plays insulating effect can be all that Rotational Symmetry is formed, and therefore simply can manufacture insulator.Because the connection of ignitor 6 is not realized by housing 2, therefore housing 2 is also without the need to being made up of metal especially steel, but also can be manufactured by plastics, as long as it is enough withstand voltage.Generally speaking, therefore surge voltage protector 1 has very simple structure, also simply can accomplish the electrical connection of three electrodes 3,4,6 in narrow and small structure space situation here.
Claims (10)
1. one kind is used in the surge voltage protector in the electric supply installation of low voltage electric network, there is housing (2), mutually opposing and its electrical connection district (3a of two axis, 4a) from the main electrode (3 that this housing (2) stretches out, 4), two main electrodes (3 are formed in this housing (2), 4) the arc ignition room (5) between and there is the auxiliary body of igniting of at least one ignitor (6), wherein two main electrodes (3, 4) spark gap is formed between, thus two main electrodes (3, 4) in this arc ignition room (5), electric arc is formed when the spark gap between ignites, it is characterized in that, a main electrode (4) has hole, the electrical connection district (6a) of this ignitor (6) stretches out from this housing (2) through this hole, or this ignitor (6) has hole, the electrical connection district (4a) of a main electrode (4) stretches out from this housing (2) through this hole.
2. surge voltage protector according to claim 1; it is characterized in that; in the hole of this main electrode (4), be provided with the insulation (9) in the electrical connection district (6a) at least surrounding this ignitor (6), or in the hole of this ignitor (6), be provided with the insulation (9) in the electrical connection district (4a) at least surrounding this main electrode (4).
3. surge voltage protector according to claim 2; it is characterized in that; this main electrode (4), this ignitor (6) and this insulation (9) are coordinated in shape so mutually, namely stop the axis of this ignitor (6) or this main electrode (4) to outer displacement.
4. according to the surge voltage protector of one of claims 1 to 3; it is characterized in that; this auxiliary body of igniting has shot-firing circuit (10; 11) and resistance to ignite part (12); wherein this part that ignites (12) is connected with this arc ignition room (5) and contacts in side with this combustion electrode (6) and contact with corresponding main electrode (4) at opposite side; thus after this shot-firing circuit (10,11) ignites, first have electric current to flow to corresponding main electrode (4) from this ignitor (6) through this part that ignites (12).
5. according to the surge voltage protector of one of Claims 1-4; wherein this ignitor (6) has hole; the electrical connection district (4a) of this main electrode (4) stretches out from this housing (2) through this hole; it is characterized in that; compared with the end face back to bonding pad (6a) (6b) of this ignitor (6), the end face (4b) back to this electrical connection district (4a) of this main electrode (4) has less distance from opposed main electrode (3).
6. according to the surge voltage protector of one of Claims 1-4; wherein this main electrode (4) has hole; the electrical connection district (6a) of this ignitor (6) stretches out from this housing (2) through this hole; it is characterized in that; compared with the end face back to bonding pad (4a) (4b) of this main electrode (4), the end face back to bonding pad (6a) (6b) of this ignitor (6) has less distance from opposed main electrode (3).
7. surge voltage protector according to claim 6, is characterized in that, between the end face (6b) and the end face (3a) of this opposed main electrode (3) of this ignitor (6), be provided with insulation (13).
8. according to the surge voltage protector of one of Claims 1-4, wherein this main electrode (4) has hole, the electrical connection district (6a) of this ignitor (6) stretches out from this housing (2) through this hole, it is characterized in that, compared with the end face back to this bonding pad (4a) (4b) of this main electrode (4), the end face (6b) back to this electrical connection district (6a) of this ignitor (6) has larger distance from this opposed main electrode (3), thus the end face (6b) of this ignitor (6) does not stretch in this arc ignition room (5).
9. according to the surge voltage protector of claim 4 and 8; it is characterized in that; insulation (14) is provided with between this arc ignition room (5) and the end face (6b) of this ignitor (6); wherein in this insulation (14), form at least one hole (15), thus the part that ignites (12) be located in end face (6b) region of this ignitor (6) is connected by described at least one hole (15) with this arc ignition room (5).
10. according to the surge voltage protector of one of claim 1 to 9, it is characterized in that, this housing (2) is that basic Rotational Symmetry forms and formed by metal especially steel or plastics.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014015611.7 | 2014-10-23 | ||
| DE102014015611.7A DE102014015611B4 (en) | 2014-10-23 | 2014-10-23 | Surge arresters |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105552721A true CN105552721A (en) | 2016-05-04 |
| CN105552721B CN105552721B (en) | 2018-04-24 |
Family
ID=55698160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510692212.5A Expired - Fee Related CN105552721B (en) | 2014-10-23 | 2015-10-23 | Surge voltage protector |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105552721B (en) |
| DE (1) | DE102014015611B4 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149371A (en) * | 2017-06-28 | 2019-01-04 | 菲尼克斯电气公司 | Overvoltage arrester |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128661B (en) * | 2016-08-22 | 2017-06-30 | 扬州华峰防雷新科技有限公司 | One kind is without continued flow switch type lightning-protection module |
| CN113130248B (en) * | 2019-12-30 | 2022-08-19 | 西安西电高压开关有限责任公司 | Combined bypass switch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10338835A1 (en) * | 2003-08-21 | 2005-03-17 | Phoenix Contact Gmbh & Co. Kg | Excess voltage protection device for low-voltage networks has a casing, electrodes, an electric arc combustion chamber and an ignition aid |
| CN201274375Y (en) * | 2008-06-30 | 2009-07-15 | 西安交通大学 | Surface flashover vacuum CROWBAR switch |
| CN102904162A (en) * | 2012-10-22 | 2013-01-30 | 云南电力试验研究院（集团）有限公司电力研究院 | Multichannel gas spark switch based on ultraviolet preionization technology |
| CN102983501A (en) * | 2013-01-02 | 2013-03-20 | 桂林理工大学 | Spherical electrode spark gap switch with adjustable gap |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3450922A (en) * | 1966-08-03 | 1969-06-17 | Gen Electric | Triggerable vacuum gap having offset trigger |
| DD290123A7 (en) * | 1988-03-10 | 1991-05-23 | Adw,Zi F. Elektronenphysik,De | CENTRALIZED SPARKET |
| DE19803636A1 (en) | 1998-02-02 | 1999-08-05 | Phoenix Contact Gmbh & Co | Surge protection system |
| DE10140950B4 (en) * | 2001-08-01 | 2006-10-19 | Dehn + Söhne Gmbh + Co. Kg | Encapsulated surge arrester based on spark gap |
| DE102006020129A1 (en) | 2006-03-09 | 2007-09-13 | Dehn + Söhne Gmbh + Co. Kg | Gap capsule, pressure-resistant, non-hermetically sealed, basic constructional rotationally symmetric high-performance spark gap |
-
2014
- 2014-10-23 DE DE102014015611.7A patent/DE102014015611B4/en active Active
-
2015
- 2015-10-23 CN CN201510692212.5A patent/CN105552721B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10338835A1 (en) * | 2003-08-21 | 2005-03-17 | Phoenix Contact Gmbh & Co. Kg | Excess voltage protection device for low-voltage networks has a casing, electrodes, an electric arc combustion chamber and an ignition aid |
| CN201274375Y (en) * | 2008-06-30 | 2009-07-15 | 西安交通大学 | Surface flashover vacuum CROWBAR switch |
| CN102904162A (en) * | 2012-10-22 | 2013-01-30 | 云南电力试验研究院（集团）有限公司电力研究院 | Multichannel gas spark switch based on ultraviolet preionization technology |
| CN102983501A (en) * | 2013-01-02 | 2013-03-20 | 桂林理工大学 | Spherical electrode spark gap switch with adjustable gap |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149371A (en) * | 2017-06-28 | 2019-01-04 | 菲尼克斯电气公司 | Overvoltage arrester |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014015611A1 (en) | 2016-04-28 |
| DE102014015611B4 (en) | 2022-03-31 |
| CN105552721B (en) | 2018-04-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105337169B (en) | Combined surge protection device with integrated spark gap | |
| US7714488B2 (en) | Plasma jet spark plug and ignition system for the same | |
| CN1797878B (en) | Over-voltage protection device | |
| CN105552721A (en) | Surge voltage protector | |
| CN109155503A (en) | It can be used for the spark plug of hf ignition system | |
| CN1552117B (en) | Overload protection device | |
| EP2922158B1 (en) | Spark plug and ignition system | |
| JP5161995B2 (en) | Plasma jet ignition plug ignition device | |
| US8243415B2 (en) | Ignition plug and ignition system | |
| RU2497251C1 (en) | Ignition plug for combustion chambers of power and propulsion plants | |
| CN109149371A (en) | Overvoltage arrester | |
| JP5820313B2 (en) | Spark plug and ignition system | |
| CN100355164C (en) | Overvoltage protector | |
| US5498154A (en) | Burner with over surface ignitor and high limit control | |
| CN105993101B (en) | Ignition part applied to overvoltage protection component | |
| US3051862A (en) | Gas ignitor | |
| CN104315931A (en) | Piezoresistance type efficient electrostatic protection bridge-wire electric detonator | |
| CN105552720A (en) | Surge voltage protector | |
| CN106415955B (en) | Overvoltage discharger | |
| CN105552722B (en) | Overvoltage arrester | |
| RU2475693C1 (en) | Electric spark igniter | |
| US1989670A (en) | Spark plug | |
| CN105552719B (en) | Overvoltage arrester | |
| CN101606287B (en) | Encapsulated, pressure-resistant and non-hermetically sealed high-performance spark gap | |
| RU156352U1 (en) | IGNITION CANDLE FOR A GAS-TURBINE ENGINE |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180424 Termination date: 20201023 |