CN105934857A - Electrode arrangement - Google Patents

Abstract

The invention relates to an electrode arrangement comprising a field-influencing electrode (3a, 3b, 3c, 3d, 3e, 3f). Said electrode (3a, 3b, 3c, 3d, 3e, 3f) has an electrode wall which has at least one opening (9).

Description

Electrode assembly

The present invention relates to a kind of electrode assembly, it has the field with electrode wall affects electrode.

This electrode assembly is such as known by open source literature US2011/0132632A1.Wherein electrode assembly Having electrode, this electrode structure is annular.Field affects the electrode wall of electrode and consists of solid line. Here, electrode is embedded in insulator.Except the form of implementation that described electrode design is the annulus closed, Also describe the form of implementation of the section that a kind of electrode design is ring.

There is owing to electrode is substantial amounts of annular and extend the structure design of shape, outstanding when temperature fluctuation occurs There is the danger that electrode size changes in it.Time especially in the embedding insulator of suggestion, due to material not With producing gap on the contact position between electrode and insulator.Possible gap is formed can adversely Affect the dielectric stability of electrode assembly.

Therefore the technical problem to be solved is, is constructed such that the electrode assembly of aforementioned forms, The tendentiousness that its size relevant to temperature changes is lowered.

So solve in the electrode assembly of aforementioned forms according to technical problem of the present invention so that electrode Wall has at least one perforation.

Electrode is a kind of device for controlling electric field.The distribution of electric field can be affected by electrode.Therefore Moulding based on electrode is such as capable of the homogenization of electric field.Electrode is that this can have corresponding electrode Wall, it has electrode surface.Electrode wall determines the field influencing characterisitic of electrode.Electrode at least in part, In the region of electrode wall, especially it is configured to conduction.Electrode wall such as has conductive material, such as metal. Electrode wall self can be with self by metal forming.Electrode wall still can also stagger with conductive material, or Such as there is conductive section, such as coating.Electrode, in electric field inner position, affects the tendency of electric field.Therefore Such as it is possible that homogenization is also by Electric Field Distribution the most heterogeneous (its such as cause field intensity too high) And cut down field intensity peak value.Electrode is such as arranged in electric insulating medium at this.Electric insulating medium is the most permissible Be fluid can also be maybe solid.Electric insulating medium self is compared electrode and is had less to electric field, preferably The faintest impact.Medium such as covers the perforation in electrode or through this perforation.The casing krofile of electrode Can also keep together with this perforation, or the electrode wall of electrode assembly self has perforation.The limit of electrode wall Surely the bore a hole region on border is generally of identical electromotive force, therefore constitutes without electric field in the region of perforation Space.It should noted here that, perforation only has such cross section so that limit the electrode of perforation Wall ensures the enough stability of perforation in terms of without electric field.Such as can also arrange many in electrode wall Individual perforation.Bored a hole by use, maintain the casing krofile of electrode/electro pole wall, thus obtain having of its dielectric Effect profile.Defining the region with bigger elasticity in the electrodes, therefore thermal expansion can compensate simply. Casing krofile is such as kept by fagging mechanism (Strebwerk), and multiple perforation is positioned at the fagging of fagging mechanism Between.By use the electrode of form molding of fagging mechanism can compensate in the structure of electrode due to The size of thermal initiation changes, and simultaneously electrode quality so that for constructing the material consumption quilt of electrode Reduce.Electrode the most advantageously metal electrode, it is by plate or cast body molding, wherein suitably Position arranges in the extension of electrode wall one or more perforation.This electrode assembly is used for example in pressure In the transmission facility of fluid insulation.The transmission facility of pressure fluid insulation has at least one phase conductor, its It is arranged in encapsulating housing and encapsulating housing is such as positioned separatedly by insulator relatively.At phase conductor With the spacing between encapsulating housing is for the electric insulation of phase conductor.Electric insulation is the most such as designed as Pressed gas insulate, pressed gas such as can use as sulfur hexafluoride or nitrogen or carbon dioxide or other Suitably gas or admixture of gas.This material can also occur with liquid condition.Especially exhausted at fluid Transition portion area midfield impact between edge and fixed insulation is favourable, and fixed insulation is preferred for leading mutually Line is relative to the interval of encapsulating housing.Electrode such as can extend at least partly in fixed insulation device, This fixed insulation device is used for phase conductor location in encapsulating housing.

Can advantageously provide at this, described perforation is covered by material at least in part, and electricity compared by this material Pole wall differently affects electric field.

By covering described perforation by the material different from electrode, it is possible to achieve the mechanical protection of perforation or Mechanically stable, thus also achieve mechanical protection or the mechanically stable of the electrode wall limiting perforation.Can adopt With the covering by solid, wherein solid such as has the attribute of electric insulation, opposite electrode or electrode wall tool There is the dielectric conductivity (in influence area the most on the scene) that opposing insulation body improves.Electrode preferably can be at electricity Being designed as that conduct electricity or semiconductive in the region, surface of pole wall, this electrode wall is used for affecting electric field.Therefore Such as it is contemplated that electrode has supporting mass, it is used for example as the surface district of electric insulation and both stake bodies Territory is conduction (such as passing through coating).As covering the material of perforation at least in part, the most permissible Select insulant, such as solid insulating material.Organic moulding such as can be used as solid insulating material Material or inorganic material.Insulating resin is especially proved to be favourable, and it has bigger mechanical resistance Also there is while ability good electric simulation strength.Using multiple perforation (shell wheel of its penetrating electrode Wide) time, can be by covering described perforation stabilized electrodes voluntarily.The most such as it is possible that constitute matter Measure less electrode, himself there is enough elasticity, thus reduce the susceptible to heat affecting. The material covering perforation is such as designed as composite.The most described material is to conduct electricity and the becoming of electric insulation Divide the mixture (Mix) of (Komponenten) or can also have the mixture of different electric insulation composition.

Required stability is such as by using the material covering one or more perforation at least in part to protect Card.Described material at this such as force transmitted and/or shape-ordinatedly and/or material engage be connected with electrode, Therefore power unexpectedly will not transmit in electrode wall and transmit.This material should cover perforation.

Another kind of favourable structure design code, described material is electrolyte.

Electrolyte is relatively weakly conducting or the material of non electrically conductive material/material component, such as electric insulation.Also That is, described material only has the dielectric impact the faintest on electric field.Especially compared to electrode/electro pole Dielectric activity (dielectric conducting power) of device or the section (table of such as electrode wall of the dielectric activity of electrode Face), described material affects aspect almost can be left in the basket electric field.Described material can be electric insulation Material, e.g. solid.But can also be flowing, such as gaseous state, especially thickness material. By using the non-active material of dielectric to can ensure that the field impact effect of electrode.Electrolyte can be electrode A part for device, especially condenser divider.

The most favourable regulation, material is through described perforation and at least covering part electrode wall.

By material through perforation it is achieved that close described perforation and electrode wall restriction Form, between the region of perforation, the bridge being especially mechanically connected.Additionally, the shape of perforation is worn by described material Cross this perforation and stablized.The electrode that this lowers in quality, thermal expansion reduces result in electrode assembly Additional reinforcing.By electrode wall by material through or cover can material and electrode wall real The connection of existing form fit, the most prominent convex shoulder can be snapped into or circuit card, therefore due to material Adjustable moulding especially realizes the power transmission between material and electrode wall in the material that angle is fixed.Cause This additionally can suppress the change of expansion of the electrode caused due to heat effect.

Preferably specifying, electrode at least in part, is especially fully inserted in described material.

When electrode should combine with other functional assemblies, it is the most favourable that electrode embeds described material 's.Therefore, during electrode such as embeds fixed insulation body, it is such as the transmission facility of pressure fluid insulation The location of phase conductor.Therefore on the one hand it is possible that be used for the fixed insulation body needed for phase conductor positions It is used to accommodate electrode, thus the region of electrode supporting structure between phase conductor and encapsulating housing is sent out Wave an impact effect.Electrode is advantageously completely embedded in material at this, is therefore only capable of indirectly touching, example Corresponding keep or positioning devices or electrode contact element from as described in material prominent, the most permissible Realize electrode is indirectly touched.It is also possible to regulation, electrode only partially embeds, therefore for electricity Extremely can there is direct entrance and such as at least partly about by the dielectric of fluid at that.Logical Cross electrode to be at least partially embedded and may be constructed the mechanical protection for electrode.

Another kind of favourable technical scheme regulation, electrode wall has lattice structure.

Have the electrode wall of multiple perforation by using lattice structure to be formed, described perforation is perfectly even Be distributed in electrode wall.Can retain electrode wall between perforation, it is such as substantially designed as strip Or tabular.Perforation moulding in electrode wall or strip/plate shape can change.Described lattice structure is led to Cross use fabric to produce, wherein perforation is set between individually " knitmesh line ".Lattice structure is the most also Can be produced by the woollen yarn knitting of multiple bars, soldering, melting welding etc..Lattice structure such as can also be by plate Punching or stamping-out produce.Electrode assembly is preferably by the so-called stretching grid (Streckgitter) of use It is equipped with lattice structure.It is provided with porous at this plate (preferably metallic plate).

The perforation of bigger cross section can be had becoming generation on hole site by extending/stretching.Individually Bar bends between perforation.This stretching grid is preferably by modification, and therefore electrode may be constructed difformity. Independent of the structural form of lattice structure, electrode wall preferably has self-stability, say, that electrode wall is Angular stiffness ground (from carrying) molding.

Favourable technical scheme is it can be stated that electrode, especially electrode wall are shaped to substantially at least in part Annular.The electrode of annular electrode or at least partly annular has the shape that dielectric is favourable, because can keep away Exempt from the seamed edge highlighted.Therefore for instance it can be possible that the electrode of annular is bored a hole by phase conductor, the most such as from The electric field that phase conductor sends is homogenized.Phase conductor therefore can be through the ring opening of electrode.Phase conductor and Electrode preferably coaxially orients.The electric field sent by phase conductor is such as (the most logical by the energising of phase conductor Overvoltage, it is for being directed to phase conductor by electric current) produce.Such as can in insulator by electrode Control ground reduces the higher electromotive force (region towards around phase conductor) sent by phase conductor.The most such as may be used Row be so that the dielectric load of insulant (electrolyte), such as homogenization in supporting insulator. Therefore the dielectric overload on specific point is avoided.

Electrode can moulding in different forms in terms of its annular shape.Such as can be formed and there is (hollow) The annular electrode of circular cross section.It is also possible to regulation, electrode such as has the shape of U-shaped, therefore Forming the receiving portion of flute profile, it is such as arranged on excircle.The receiving portion of this channel-shaped is the most electrically conductive Ground is closed, and therefore constitutes the most hollow electrode.By U-shape can reduce electrode quality and Volume, therefore the tendentiousness of the stereomutation of the thermal initiation of comparative electrode is lowered.Shield with alsoing for dielectric Covering the receiving portion/recess of electrode, electrode can also be configured to multi-piece type, and at this, such as groove is sealed by groove lid Close, therefore produce again the field-free space of dielectric barrier in electrode interior.

Another kind of favourable technical scheme regulation, electrode is equipped with radially projecting retainer member.

Radially projecting retainer member such as supports electrode and makes these electrodes such as phase conductor spacer Liftoff relative to encapsulating housing location.The most such as realized measurement circuitry by retainer member or measure sensor Or similar device introduces electrode.Time especially in electrode insert material, realize electrode in the fabrication process Position is fixed, such as relative to phase conductor, and material around casting and ensuing hardening after, The relative position determined is ensured in the cast body formed.By radially projecting retainer member such as also Electromotive force can be realized intercept or the electromotive force applying of electrode.Retainer member is designed at least as partial sector and leads for this Electricity, therefore the transmission of the electromotive force of electrode is possible.When applying floating potential, it is such as at keeper It is detected on part.But electrode ground connection targetedly can also be carried out by retainer member.Retainer member is excellent Choosing should be arranged on the excircle of electrode in the electrode of basic annular, and radially projecting from that.Cause This retainer member is preferably in the outside fix of the ring opening surrounded by annular shape.Attach troops to a unit one at electrode and lead mutually During body, retainer member should be connected with electrode in the region back to phase conductor of electrode.

The most favourable technical scheme is it can be stated that retainer member is arranged on to the transition part of electrode is shielded Section in.

In the section of the dielectric barrier that retainer member should be preferably placed at electrode to the transition part of electrode.Keep Device and electrode such as integral type or can also multi-piece type ground constitute.Especially in multi-piece type form of implementation, The shielding of the transition part between electrode and retainer member allow needed for immobilising device or use fixing Relatively selecting freely of method.Such as, retainer member engages the most logical with electrode casting ground, material Cross bonding, soldering, force transmitted is such as bolted or rivets or can also the most such as It is connected with kayser flange by latching structure.The transition part of retainer member and electrode should be positioned at annular electrode Middle section outside.Described transition part preferably should be positioned on the excircle of electrode.The most such as may be used To arrange recess, the form of such as groove, retainer member stretches in this groove and there between cell wall Fixed in shielding area or on bottom land.

Another kind of favourable technical scheme regulation, retainer member is at least in part from the electricity with described material The ring set of pole highlights.

Particularly with the ring set of electrode, at least partially or fully, retainer member should be at least in part Through this ring set, therefore can indirectly touch electrode by retainer member.The most such as produce this can Energy property, the electromotive force on electrode loads or electromotive force intercepts and can also carry out at material outer.Additionally, keep Device can be used for, and keeps measurement circuitry and similar device.One passage such as can be provided, in order to Guide into the electrode such as measurement circuitry.Retainer member can have interface, and it embeds ring set with such as flushing In surface.Therefore, retainer member is exposed from material, without affecting the profile of electrode assembly.

Another kind of favourable technical scheme regulation, electrode is a part for condenser divider.

Phase conductor is used for guiding electric current, and himself is driven by electromotive force.Shown in electromotive force at this generally with lead mutually The electromotive force of the surrounding of body is different.In order to make phase conductor insulate relative to surrounding, such as, use liquid or solid The insulant of state.By arranging electrode, field distribution or the voltage reduction quilt in the electric insulation of phase conductor Impact.The most such as it is possible that electrode is used as the parts of capacitor, this capacitor has specifically Electric capacity.Correspondingly producing the displacement current of the electric capacity of electrode, it is the yardstick of the voltage loading phase conductor. The most such as it is possible that, it is provided that but about phase conductor electromotive force quality can also be especially several The explanation of amount.Electrode may be used for field impact, but be also used as the parts of condenser divider for Detection voltage.

Another kind of favourable technical scheme regulation, electrode has the receiving of the dielectric barrier for measuring device Portion.

Such as it is used for for measuring the receiving portion of device, probe or sensor dielectric barrier are positioned at phase The vicinity of conductor, for the state of detection phase conductor.Electric current, temperature can be detected by measuring device Or voltage etc..Measure device and preferably should measure the magnitude of current in phase conductor.Therefore there is probability, electricity Pole one side detects voltage by being used in the potentiometer of electric capacity, and on the other hand measures at loading electricity Electric current in the phase conductor of pressure.Therefore so-called measurement in a closed series sensor is constituted.As measuring device such as Can use Rogovski coil, it is such as embedded in the receiving portion of phase conductor.The most also may be used To use other to measure device.Receiving portion may be used for measuring the shielding of device.

In addition can advantageously provide for, retainer member to the intermediate location of electrode in the region of receiving portion.

Described accommodation section such as extends radially around annular electrode on excircle, the most such as can be Different radially touches receiving portion.Can also be partially shaded in this receiving portion, for being preferably situated between Shield described receiving space electricly.It is positioned at equally receiving portion to the transition part of electrode from retainer member. This provides the advantage that, i.e. can provide the entrance with the receiving portion positioning measurement device therein, therefore The measurement circuitry measuring device of such as electrode is conducted by retainer member.Therefore retainer member self is used Location in electrode.Retainer member can be also used for being positioned on electrode measurement circuitry or measurement device.

Hereinafter schematically show in the accompanying drawings and describe embodiments of the invention afterwards in detail.At accompanying drawing In:

Fig. 1 illustrates the side sectional view of cutting electrode assembly,

Fig. 2 illustrates the cross section of cutting electrode,

Fig. 3 illustrates the three-dimensional view of the electrode in first embodiment,

Fig. 4 illustrates the three-dimensional view of the electrode in the second embodiment,

Fig. 5 illustrates have the electrode of retainer member and first between retainer member and electrode fixes shape Second embodiment of formula,

Fig. 6 illustrates electrode and the second second embodiment in fixed form between retainer member and electrode,

Fig. 7 illustrates the embodiment of the receiving portion of the second form of implementation of electrode,

Fig. 8 illustrates the cutting cross section according to the receiving portion of Fig. 7,

Fig. 9 illustrate have retainer member the 3rd embodiment and

Figure 10 illustrates the cross section of the 3rd embodiment of cutting electrode.

Figure 11 illustrates the further embodiment of the retainer member of the second embodiment combination with electrode.

Fig. 1 illustrates the sectional view of cutting electrode assembly.Illustrate substantially cylindrical exhausted in cross-section at this Edge body 1.This insulator 1 is such as substantially designed as cylinder, wherein, along direction (its of its mast axis Run through insulator) multiple phase conductor 2a, 2b, 2c are set.Phase conductor 2a, 2b, 2c are along its mast axis Insulator 1 is run through in direction, and wherein the preferred same design of phase conductor 2a, 2b, 2c is substantially cylindrical, And its mast axis is parallel to the mast axis of insulator 1.Phase conductor 2a, 2b, 2c are completely through insulation Body 1, therefore it can contact with other phase conductor section respectively on side.Phase conductor 2a, 2b, 2c arranges in the circular trace coaxially arranged with the mast axis of insulator 1, wherein phase conductor 2a, 2b, 2c constitutes the summit of equilateral triangle.Except the cylindrical structure of insulator 1, it can also have other Shape (the most rotational symmetric).Insulator is such as it is so structured that truncated cone shape, basin shape, taper.Phase Conductor 2a, 2b, 2c can also have different shapes, the most rotational symmetric shape.

Each electrode 3a, 3b, a 3c are coaxially arranged with each phase conductor 2a, 2b, 2c.Electrode 3a, 3b, 3c are completely embedded in insulator 1.Each electrode 3a, 3b, 3c are respectively provided with on its excircle One retainer member 4a, 4b, 4c.Retainer member 4a, 4b, 4c are connected with electrode 3a, 3b, 3c, Wherein by retainer member 4a, 4b, 4c formed in the exterior surface area of insulator 1 lead to electrode 3a, The indirectly entrance of 3b, 3c.

The electrode assembly that figure 1 illustrates such as is applied in pressure fluid insulation as dielectric body device In transmission facility.As this application, insulator 1 can be integrated in flange connecting apparatus, and it is such as On the mutually facing side of two pipe joints being arranged on two encapsulating housings.Here, insulator 1 Lateral surface is surrounded by stable framework.This framework can also be a part for flange connecting apparatus.Insulator 1 can be the enclosed construction of the fluid-tight of one or more encapsulating housing limited by pipe joint And be used herein to the location of phase conductor 2a, 2b, 2c (Barriere).Electrode 3a, 3b, 3c can make Respectively constitute electrode 3a, 3b, 3c of capacitor for capacitive element, therefore (it is when applying voltage for electric field Surround each phase conductor 2a, 2b, 2c) can be detected by capacitive element.Therefore this possibility is provided Property, i.e. by electrode 3a, 3b, 3c mono-aspect can realize surround phase conductor 2a, 2b, 2c electric field Uniformity, and and then the dielectric stability of phase conductor 1 can be improved.On the other hand, electrode 3a, 3b, 3c itself is the ingredient that (voltage) measures equipment.Electrode 3a, 3b, 3c pass through retainer member 4a, 4b, 4c such as access in measurement system by measure traverse line.

Electrode 3a, 3b, 3c in the sectional view of Fig. 1 are respectively provided with receiving portion, and it is according to a kind of shape The groove of the radially opening that formula is formed on the excircle of electrode 3a, 3b, 3c.In this receiving portion It is respectively implanted measurement device 5a, 5b, the 5c for measuring electric current.Measure device 5a, 5b, 5c such as Being designed as the form of Rogovski coil, wherein, each measurement device 5a, 5b, 5c detect magnetic field (its Based on through the electric current of each phase conductor 2a, 2b, 2c) and therefore provide to flow through each phase conductor 2a, The image (Abbild) of the electric current of 2b, 2c.For connecting the measure traverse line measuring device 5a, 5b, 5c Guided into each receiving portion of electrode 3a, 3b, 3c by affiliated retainer member 4a, 4b, 4c.

The cross section of cutting electrode 3a is the most exemplarily shown.Electrode 3a dials from insulator 1 Go out.Can be seen that electrode 3a is designed as the form of grating texture, wherein electrode construction itself is annular. Electrode is constructed from a material that be electrically conducting, e.g. metal as pyrite, aluminum, rustless steel or copper.The one-tenth of electrode Type is preferably completed by the modification of lattice band.The material covering of perforation 9 insulated body 1 in electrode 3a/ Hide and passed by this material.Electrode has the receiving portion 6 of channel-shaped in outside, its closely cincture. Receiving portion 6 is limited by cell wall 7a, 7b of lateral cincture, and wherein cell wall 7a, 7b is at its free end On there is warp architecture close to each other, therefore receiving portion 6 self preferably dielectric barrier.Affiliated guarantor Holder part 4a is medially connected with electrode 3a between cell wall 7a, 7b in receiving portion 6.Measuring device Part 5a is arranged on retainer member 4a both sides.Measure device 5a and separately design as Rogovski coil, Therefore the Rogovski coil 5a that two are arranged in parallel is circlewise at the receiving portion 6a medium ring of electrode 3a Around.The measurement of redundancy is the most such as completed by measuring device 5a.Measure device 5a to be designed as the most solely The Rogovski coil of vertical work, therefore phase conductor 2a (it is through the annular opening of electrode 3a) is at it Electric current aspect is monitored.At this it can be stated that measure device 5a there is mutually different transmission characteristic, The most such as measuring one of device 5a to be used for calculating electricity acting, relatively another measures device 5a such as For overcurrent protection.But can also specify, only said two is measured device 5a and is designed as redundancy Measurement device 5a.Additionally, retainer member 4a is provided for guiding to measuring device measurement circuitry 8 5a.In addition there is this probability, it is provided that the joint of electrode 3a, the most such as, carry out the electricity of self-electrode 3 The displacement electric current held can outwards guide and measured at that.It is possible that electrode 3a by with Make capacitive element.Electrode 3a is preferably configured as lattice-shaped.Such as can use metal lath, it leads to Cross corresponding molding and form annular electrode, on excircle, wherein constitute receiving portion 6, such as, pass through Mouth (Auftreiben) is dug on electrode 3a.

The electrode 3a shown in Fig. 2 and other assembly be all the whole electrode 3a shown in Fig. 1,3b, 3c and the example of other assemblies.Except the three-phase structural scheme shown in FIG can also arrange single-phase Design, the most also uses cylindrical insulator, but it is centrally worn by unique phase conductor Cross, wherein its by the electrode of unique annular coaxially around.

Except using the insulator 1 of cylindricality to may be provided for other moulding, such as peviform moulding or in insulation Rib-like structure is applied, for realizing for phase conductor 3a, 3b, 3c on the side of insulator 1 on body 1 The prolongation of creep age distance.

Delete insulator and phase conductor in figure 3 and the first embodiment of electrode 3d is shown.Electrode 3d's First modification is body formed according to metal casting, and wherein the first embodiment of electrode 3d is basically constructed as ring Shape.Multiple perforation 9 is set in the electrode wall of the first embodiment of electrode 3d.Perforation 9 is arranged at this On the bottom land of receiving portion 6a on the excircle of the first embodiment being positioned at electrode 3b.Here, this receiving Portion 6a divides around the dividing plate 10 processed additionally by bottom land.Additionally, on bottom land, keep The first embodiment of device 4d is connected with electrode 3d.The first embodiment of electrode 3d and retainer member The first embodiment of 4d is at this integral molding, and wherein, the first embodiment of retainer member 4d is designed as Radially projecting.It is also possible to use multi-piece type form of implementation.The first embodiment of retainer member 4d There is interface 11.This interface 11 is configured essentially to hollow cylinder, wherein the mast axis of interface 11 It is substantially perpendicular to the mast axis of the first embodiment of annular electrode 3d.First embodiment at electrode 3d Receiving portion 6a in put into measurement device.Additionally, the first embodiment of electrode 3d is surrounded by insulator materials, Wherein, only interface 11 is palp in the lateral surface region of the insulator so constituted.Insulator Material can be placed in liquid condition in the first embodiment of electrode 3d at this, and cover wear Hole 9 and through perforation 9.

Figure 4 illustrates second embodiment of electrode 3e.In this second embodiment by metal fabric or gold Belong to expanded metals molding, wherein so select annular moulding so that receiving portion 6b is formed in the second of electrode 3e On the excircle of embodiment.Therefore bore a hole and extend in the Zone Full of electrode wall, e.g. bottom land or groove Wall 7a, 7b, which define the border of receiving portion 6b.In order to divide second embodiment of electrode 3e Receiving portion 6b, circumferentially disposes multiple peg 12.Peg 12 is arranged on the groove of receiving portion 6b at this In the cover cap shadow of wall 7a, 7b.Second embodiment 4e of retainer member uses peg 12 to be used for and electricity The connection of second embodiment of pole 3e.Second embodiment 4e of retainer member is designed as cast body, its example As the second embodiment bolt with electrode 3e is connected.But integral type shape can also be used.It is suitable for Material especially aluminum, pyrite or rustless steel are used for this electrode of molding.By the second change of retainer member 4e Type and peg 12 achieve the division of flute profile receiving portion 6b of the second embodiment to electrode 3e, therefore Can also be formed for disposing the enough receiving spaces measuring device respectively in the both sides of peg 12 at this, Especially by two annular rings around Rogovski coil (similar to Fig. 2 and 3).In figs. 5 and 6 Second embodiment of electrode 3e is shown respectively, wherein selects the second embodiment for retainer member 4e Alternative moulding.Figure 5 illustrates the 3rd embodiment of retainer member 4f, wherein retainer member 4f 3rd embodiment be sleeved on peg 12 with cast member form of implementation and by fagging 13 with circumferentially The other peg 12 of distribution contacts.Such as specify according to the embodiment of Fig. 5, fagging 13 with Peg 12 welds, relatively in the 4th embodiment of retainer member 4g, real in the casting according to Fig. 6 Execute the double teeming recommending peg 12 and fagging 13 in form.

Fig. 7 illustrates the 5th modification of retainer member 4h, and it is designed as bent plate part, and it is placed in electrode 3d First embodiment receiving portion 6b bottom section in and on the free end that it is radially projecting with The molded body of casting is connected to constitute interface 11.Receiving portion for the first embodiment of spaced electrodes 3d 6b, is respectively embedded into the ring segment 14 of bending in the extension between peg 12, it has radially around electrode The section of the dividing plate 10 of the ring axis of the first embodiment of 3d.As the first embodiment of electrode 3d, Ring segment 14 can be by silk screen or metal otter board molding.5th constructional variant of retainer member 4h is equipped with fagging 13, it is preferably fixed in receiving portion 6b together with ring segment 14.

The first embodiment that figure 8 illustrates the electrode 3d by having the ring segment inserted is shown cut away Cross section.The section of barricade 15 not shown in accompanying drawing before additionally illustrating, it hides groove The channel opening of receiving portion 6b between wall 7a, 7b, therefore receiving portion 6b between cell wall 7a, 7b Middle composition dielectric barrier and the space that do not has field.

Figure 9 illustrates the improvement of the first modification to electrode 3e.Two are designed substantially to identical The electrode 3e of the first embodiment of type mutually coaxially arranges, two of which cell wall opposed facing Outer surface contact with each other and angular stiffness be connected with each other.Such as when being designed as metal, electrode 3e The second embodiment be welded to each other, cell wall that the electrode 3f being therefore consequently formed mutually deviates from constitutes and closes Receiving portion 6c become.Opposed facing cell wall constitutes dividing plate 10a.Two second enforcements at electrode 3e In engaging zones between example, retainer member 4i can embed in the 5th embodiment.Retainer member 4i 5th embodiment is radially prominent from the electrode 3f of synthesis, and the shielding of receiving portion 6c in synthesis Region in synthesis electrode 3f be connected.In Fig. 10, the electrode 3f of synthesis illustrates with cross-sectional view, Second embodiment of two of which electrode 3e is welded to each other, and the receiving of the synthesis of the electrode 3f synthesized Portion 6c is covered by dielectric barrier by barricade 15.According to Figure 10 and according to the dielectric of Fig. 8 Can arrange measurement device, especially Rogovski coil in the space of shielding, they are the most coaxially In respective receiving portion arranged circumferentially around to (similar to Fig. 2).

Figure 11 illustrates second embodiment of the electrode 3e of the sixth embodiment with retainer member 4j.Protect The sixth embodiment of holder part 4j is the form of sheet metal bending part at this, its substantially curved one-tenth U-shaped, Wherein there is in the region of U-shaped substrate the interface 11 of circular enlargement.For stable retainer member 4j Sixth embodiment, U-shaped end is connected with transverse connection structure 16.The sixth embodiment of retainer member 4j U-shaped end transition part to bending fagging 13, this fagging is placed in second embodiment of electrode 3e On the bottom land of receiving portion 6b.The second embodiment angular stiffness at that fagging 13 bent with electrode 3e Ground is connected.In the circumference of receiving portion 6b of second embodiment of electrode 3e, horn 17 position is solid On the bottom land of receiving portion 6b surely being arranged on second embodiment of electrode 3e.Horn 17 has U Shape contour shape, wherein, U arm abuts on the bottom land of electrode freely, therefore in each horn Forming bearing-surface on the opposite U-shaped wall of 17, for use as barricade 15, (it is in fig. 11 for clearly Chu's property reason is not shown) bearing-surface.Enough spaces are now produced, such as in the both sides of horn 17 By annular ring around measurement device (with reference to Fig. 2) be contained in the horn 17 that is centrally located with in horn 17 Between both sides are radially around cell wall 7a, the 7b extended.By connecing of the sixth embodiment of retainer member 4j Measurement circuitry can be guided to measuring device by mouth 11.

Independently specify to the embodiment shown in 11 with Fig. 1, each electrode 3a, 3b, 3c, 3d, 3e, 3f is provided with perforation 9, and its middle punch 9 constitutes electrode 3a, 3b, 3c, 3d, 3e, 3f according to being used for respectively The selection of material can molding in different forms.Individually electrode is together with the measurement device being arranged on 5a, 5b, 5c, barricade 15, cell wall 7a, 7b etc. are preferably embedded in insulator 1, wherein preferably Each embodiment 4a of retainer member in the lateral surface region of the insulator 1 of rotational symmetry structure, 4b, 4c, 4d, 4e, 4f, 4g, 4h, 4i, 4j are palp, the most such as each electrode 3a, 3b, 3c, The electromotive force of 3d, 3e, 3f can be measured.Each embodiment of electrode 3a, 3b, 3c, 3d, 3e, 3f with And each embodiment 4a of retainer member, 4b, 4c, 4d, 4e, 4f, 4g, 4h, 4i, 4j can be mutual Exchange.Additionally, can be to use the embodiment of very different form as measuring device 5a, 5b, 5c. Hall element or other measurement devices can also be used in addition to using Rogovski coil.

Claims (13)

1. an electrode assembly, have be equipped with electrode wall field affect electrode (3a, 3b, 3c, 3d, 3e, 3f), it is characterised in that electrode wall has at least one perforation (9).

2. according to the electrode assembly described in claim 1, it is characterised in that described perforation (9) at least portion Dividing ground material to cover, electrode wall compared by described material differently affects electric field.

3. according to the electrode assembly described in claim 2, it is characterised in that described material is electrolyte.

4. according to the electrode assembly described in Claims 2 or 3, it is characterised in that described material passes Described perforation (9) and at least covering part electrode wall.

5. according to the electrode assembly described in claim 4, it is characterised in that electrode (3a, 3b, 3c, 3d, 3e, 3f) at least in part, especially it is fully inserted in described material.

6. according to the electrode assembly one of claim 1 to 5 Suo Shu, it is characterised in that electrode wall has There is lattice structure.

7. according to the electrode assembly one of claim 1 to 6 Suo Shu, it is characterised in that electrode (3a, 3b, 3c, 3d, 3e, 3f), especially electrode wall at least blockiness ground molding the most circlewise.

8. according to the electrode assembly described in claim 7, it is characterised in that electrode (3a, 3b, 3c, 3d, 3e, 3f) equipped with radially projecting retainer member (4a, 4b, 4c, 4d, 4e, 4f, 4g, 4h, 4i、4j)。

9. according to the electrode assembly described in claim 8, it is characterised in that from retainer member (4a, 4b, 4c, 4d, 4e, 4f, 4g, 4h, 4i, 4j) to the transition part of electrode (3a, 3b, 3c, 3d, 3e, 3f) It is arranged in the section of shielding.

10. according to the electrode assembly described in claim 8 or 9, it is characterised in that retainer member (4a, 4b, 4c, 4d, 4e, 4f, 4g, 4h, 4i, 4j) at least in part from have described material electrode (3a, 3b, 3c, 3d, 3e, 3f) overcoat highlight.

11. according to the electrode assembly one of claim 1 to 10 Suo Shu, it is characterised in that electrode (3a, 3b, 3c, 3d, 3e, 3f) it is the part of condenser divider.

12. according to the electrode assembly one of claim 1 to 11 Suo Shu, it is characterised in that electrode (3a, 3b, 3c, 3d, 3e, 3f) have dielectric barrier for measuring device (5a, 5b, 5c) receiving portion (6, 6a、6b、6c)。

13. according to the electrode assembly one of claim 8 to 12 Suo Shu, it is characterised in that from holding Device (4a, 4b, 4c, 4d, 4e, 4f, 4g, 4h, 4i, 4j) to electrode (3a, 3b, 3c, 3d, 3e, Intermediate location 3f) is in the region of receiving portion (6,6a, 6b, 6c).