CN207398060U - Gas-discharge tube - Google Patents
Gas-discharge tube Download PDFInfo
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- CN207398060U CN207398060U CN201721239590.9U CN201721239590U CN207398060U CN 207398060 U CN207398060 U CN 207398060U CN 201721239590 U CN201721239590 U CN 201721239590U CN 207398060 U CN207398060 U CN 207398060U
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Abstract
The utility model discloses a kind of gas-discharge tubes, including the tube body that insulate, the both ends of the insulation tube body are respectively arranged with termination electrode, so that the insulation tubular body forms closed cavity, insulation tube body, the termination electrode and closed cavity is at least one is provided with segmenting structure；The segmenting structure is used in the closed cavity there are during discharge gas, and the electric arc formed to gas discharge is split；The segmenting structure is used to that discharging gap to be divided into the parallel connection in multiple gaps there are during gas discharge in the closed cavity；The segmenting structure is additionally operable in gas discharge, and the closed cavity is divided into ionized region and sub- ionized region.Gas-discharge tube provided by the utility model has segmenting structure, in gas discharge, if electric arc is divided into the small electric arc of carried interest, is easily voluntarily interdicted by shallow bid electric arc, so as to achieve the effect that follow current interrupt.
Description
Technical field
The utility model is related to overvoltage protection field more particularly to a kind of gas-discharge tubes.
Background technology
For gas-discharge tube when being struck by lightning or overvoltage protection, gas-discharge tube presentation is low after bearing lightning stroke or overvoltage
The state of resistance, when having operating current in the equipment that gas-discharge tube is protected, operating current can pour into gas-discharge tube, make
It obtains gas discharge and generates lasting follow current, it is impossible to fracture, cause to burn, cause the accidents such as fire.
Due to the development of the industries such as wind-force or solar power generation, continuous operating voltage is higher and higher, and gas-discharge tube is continued
Stream snap ability is higher and higher, and existing gas-discharge tube is under conditions of lasting 255Vrms, 275Vrms, energization 100Arms
Effectively can voluntarily be fractureed afterflow, but it is more difficult meet 380Vrms, 490Vrms etc., under the conditions of electrical current 100Arms voluntarily
Fracture the requirement of afterflow.Industry therefore, the multiple discharge tube series connection of generally use various ways improve continuous so as to raise arc voltage
The breaking capacity of stream, but these modes contract height, occupied space is big, and residual voltage is high during lightning stroke, and often also needing to increase reduces residual voltage
Resistance or condenser network.
Such as the gas-discharge tube 10 that Fig. 1 is provided, including electrode 101, silver-copper brazing alloy 102, discharge gas 103, carbon line 104
And include metalized coated 1051 with carbon line metallized ceramic tubes 105, wherein with carbon line metallized ceramic tubes 105, which provides
Gas-discharge tube in gas discharge, the cardinal principle of the structure raises arc voltage to reach afterflow folding for Multiple level series connection
Disconnected effect, but its shortcoming is of high cost, and residual voltage is high, it is necessary to which external triggering resistance or condenser network are residual after lightning stroke to reduce
Pressure.
Such as the gas-discharge tube 20 that Fig. 2 is provided, gas-discharge tube 20 is connected for multiple gas-discharge tubes 10, when gas is put
When electric, arc light pressure is high, but needs multiple discharge tubes of connecting, of high cost, and residual voltage height by external trigger circuit, it is necessary to be dropped
Low residual voltage.
Such as the gas-discharge tube 30 that Fig. 3 is provided, gas-discharge tube 30 include porcelain tube 301, column electrode 302, pipe electrode
303rd, solder sheet 304, positioning ceramic ring 305, positioning tile 306 and intermediate pipe electrode 307, multiple strings can be realized by the example
The sleeve electrode gap of connection, but complicated, high processing costs and residual voltage is low.
Utility model content
The main purpose of the utility model is that provide a kind of gas-discharge tube, it is intended to solve existing gas-discharge tube both
Can meet power frequency continued flow blocking requirement, and can solve the problems, such as when be struck by lightning when residual voltage height and gas-discharge tube it is complicated.
To achieve the above object, the utility model provides a kind of gas-discharge tube, including the tube body that insulate, the insulation tube body
Both ends be respectively arranged with termination electrode so that it is described insulation tubular body formed closed cavity, it is described insulation tube body, the end electricity
The pole and closed cavity is at least one is provided with segmenting structure；The segmenting structure is used to exist in the closed cavity
During discharge gas, the electric arc formed to gas discharge is split, and the closed cavity is divided into multiple discharging gaps 7, shape
Into the parallel connection of the discharging gap 7；
The segmenting structure is additionally operable in gas discharge, and the closed cavity is divided into ionized region and sub- ionized region.
Preferably, the segmenting structure includes porous structure, and the porous structure is arranged on the insulation tube body and/or institute
When stating on closed cavity, the closed cavity is divided into several discharge channels by the porous structure.
Preferably, comprising several porous structures, the porous structure is any in conductor, semiconductor and insulator
.
Preferably, the segmenting structure further includes segmentation electrode, and the segmentation electrode is concave electrode, convex electrode and bumps
At least one of in electrode combination.
Preferably, the segmentation electrode is arranged on the termination electrode, the segmentation electrode and the first of the termination electrode
Surface be electrically connected, wherein the first surface for the termination electrode towards it is described insulation tube body surface.
Preferably, the closed cavity and/or insulation tube body are provided with target, and the segmentation electrode is arranged on described
On target.
Preferably, be embedded with the trigger electrode of back taper in the segmentation electrode, the addendum cone of the back taper with described point
The male and female face for cutting electrode is located in Different Plane.
Preferably, the discharging gap is equal in magnitude.
Preferably, the segmenting structure includes porous structure and the segmentation being electrically connected with the first surface of termination electrode electricity
Pole, when the porous structure is arranged on the insulation tube body and/or the closed cavity, the porous structure will be described closed
Cavity is divided into several discharge channels, and the segmentation electrode is arranged on the termination electrode, the segmentation electrode and end electricity
Pole first surface electrical connection, wherein the first surface for the termination electrode towards it is described insulation tube body surface.
Preferably, side is equipped with several triggering conductive strips in the insulation tube body, and the triggering conductive strips are used to put in gas
When electric, the electric current of the first termination electrode is made to flow to the second termination electrode along the triggering conductive strips.
Gas-discharge tube provided by the utility model has segmenting structure, in gas discharge, if electric arc is divided into
The small electric arc of carried interest is easily voluntarily interdicted by shallow bid electric arc, so as to achieve the effect that follow current interrupt.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the structure diagram of a gas-discharge tube in the prior art；
Fig. 2 is the structure diagram of another gas-discharge tube in the prior art；
Fig. 3 is the structure diagram of another gas-discharge tube in the prior art；
Fig. 4 is the structure diagram of one embodiment of the utility model gas-discharge tube；
Fig. 5 is the inside ionized space schematic diagram of the utility model gas-discharge tube；
Fig. 6 is the structure diagram of porous structure in the utility model gas-discharge tube；
Fig. 7 a are the structure diagram of one embodiment of the utility model gas-discharge tube；
Fig. 7 b are the structure diagram of convex electrode in the utility model gas-discharge tube；
Fig. 8 a are the structure diagram of one embodiment of the utility model the utility model gas-discharge tube；
Fig. 8 b are another structure diagram of convex electrode in the utility model gas-discharge tube；
Fig. 9 a are the structure diagram for the gas-discharge tube that the utility model has concave electrode；
Fig. 9 b are the structure diagram of concave electrode in the utility model gas-discharge tube；
Figure 10 a are the structure diagram for the gas-discharge tube that the utility model has ring electrode；
Figure 10 b are the structure diagram of ring electrode in the utility model gas-discharge tube；
Figure 11 a are the structure diagram for the gas-discharge tube that another embodiment of the utility model has ring electrode；
Figure 11 b are the structure diagram of ring electrode in another embodiment gas-discharge tube of the utility model；
Figure 12 a are the gas-discharge tube structure diagram that the utility model has target；
Figure 12 b are the front view of target in the utility model gas-discharge tube；
Figure 12 c are the top view of target in the utility model gas-discharge tube；
Figure 13 is the gas-discharge tube structure diagram that another embodiment of the utility model has target；
Figure 14 a are another gas-discharge tube structure diagram of the utility model；
Figure 14 b are the structure diagram of the Insulating frame in the utility model gas-discharge tube；
The structure diagram of porous structure in Figure 14 c the utility model gas-discharge tubes；
The structure diagram of convex electrode in Figure 14 d the utility model gas-discharge tubes；
Another gas-discharge tube structure diagram of Figure 15 the utility model.
Drawing reference numeral explanation：
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is only the part of the embodiment rather than whole of the utility model
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction be only used for explain it is opposite between each component under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
It if, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is only used for description purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can express or implicitly include at least one
A this feature.In addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical solution is conflicting or can not realize
The combination of case is not present, also not within the protection domain of the requires of the utility model.The utility model it is so-called insulation tube body be
Glass tube, porcelain tube or other insulation tube bodies for being suitable for making the material of gas-discharge tube；Gas-discharge tube bag alleged by the utility model
Include diode, triode and multi-electrode tube.
With reference to Fig. 4,100 1 embodiment of the utility model gas-discharge tube is proposed, the gas-discharge tube 100 includes insulation
Tube body 3, the both ends of the insulation tube body 3 are respectively arranged with termination electrode 1, so that 3 inside of insulation tube body forms closed cavity
5, the insulation tube body 3, the termination electrode 1 and the closed cavity 5 are provided with segmenting structure；The segmenting structure is used for
There are during discharge gas 4 in the closed cavity 5, the electric arc formed to gas discharge is split, and the closed cavity 5 is divided
Multiple discharging gaps 7 are segmented into, form the parallel connection of the discharging gap 7；
The segmenting structure is additionally operable in gas discharge, and the closed cavity 5 is divided into ionized region ionizes with sub-
Area.
When gas-discharge tube is discharged, the segmenting structure can be formed the termination electrode 1 and the insulation tube body 3
Discharging gap 7 be separated into multiple small―gap sutures.
The segmenting structure may be provided in the insulation tube body 3, the termination electrode 1 and the closed cavity 5 at least
One, it can also be grouped and close for it, the same or similar function can be also realized by setting other component, the present embodiment exists
This is not restricted.In the present embodiment, illustrated exemplified by being arranged on insulation tube body 3.
Full of discharge gas 4 in the closed cavity 5, when the electric discharge of discharge gas 4 forms electric arc, the segmenting structure will
The electric arc is divided into multiple small electric arcs.
Under normal circumstances, when the voltage at 100 termination electrode of gas-discharge tube, 1 both ends is more than the breakdown voltage of discharge gas 4,
Gap discharge will be caused, which rapidly becomes low resistance state from high-impedance state, forms conducting, so as to protect with
Other its associated devices.In gap discharge, the gas-discharge tube 100 enters arc discharge.
In one embodiment of the utility model, termination electrode 1 forms closed cavity 5, the closed cavity after being welded with insulation tube body 3
Interior 5 discharge gas 4 can be the mixed gas of hydrogen or inert gas or hydrogen and one or more inert gases, from
And achieve the effect that reduce pulse shock voltage.
When gas discharge forms electric arc, the electric arc that the segmenting structure forms gas discharge is split, by described in
Closed cavity 5 is divided into multiple discharging gaps 7, forms the parallel connection of the discharging gap 7, arc-rupturing capacity is improved, between the electric discharge
Gap is equal in magnitude, and in the concrete realization, each gap being divided into tends to be equal, and the difference in each gap can be in 0-0.5mm
Between, between even 0-0.1mm, so as to be conducive to point arc evenly.
The segmenting structure is additionally operable in gas discharge, and the closed cavity 5 is divided into ionized region ionizes with sub-
Area.
The inside ionized space schematic diagram of gas-discharge tube as shown in Figure 5, when carrying out gas discharge, in closed cavity
Ionized region and sub- ionized region are formed in 5.
Discharge gas 4 in the segmenting structure can be ionized to electronics and ion, the electronics and ion with described point
It cuts the discharge gas 4 outside structure and carries out compound, re-form new gas molecule, so as to easily follow current interrupt.
3 inside of insulation tube body is equipped with several triggering bands 33, and the triggering band 33 is used in gas discharge, makes first
The electric current of termination electrode flows to the second termination electrode along the triggering band 33.
When the gas discharges, electric current reaches lower end electrode through upper end electrode by triggering band 33, when gas discharge 4 enters arc
Light time, electric arc are divided structure and are divided into multiple small electric arcs, and discharge gas is ionized into ion and electronics, is gone back by small electric arc by small electric arc
The discharge gas 4 not being ionized is filled with, the discharge gas absorption that the ion and electronics by ionization are not ionized easily, weight
Gas molecule newly is combined into, so as to improve follow current interrupt ability.
The segmenting structure includes porous structure 32, and the porous structure 32 is arranged on the insulation tube body 3 and/or described
When on closed cavity 5, the closed cavity 5 is divided into several porous channels 321 by the porous structure.
When being provided with segmenting structure on the insulation tube body 3, the segmenting structure includes porous structure 32, the porous knot
The axis of structure 32 can be parallel with the axis of the termination electrode 1, and the porous structure 32 is equipped with several porous channels in the axial direction
321, the porous structure 32 can connect insulation tube body 3 by Insulating frame, and the segmenting structure can also be provided at described closed
It in cavity 5, can be also arranged on by Insulating frame in the closed cavity 5, can also pass through other same or identity function portion
Part is attached, and the present embodiment is not restricted this.
It should be noted that the porous structure 32 can be to connect hole, it is poroid for shapes such as cylindrical, triangle and honeycombs
Shape, the porous structure 32 can be several, and the material of the porous structure can be that conductor, semiconductor and insulator etc. can be achieved
The material of same or similar function.The porous structure 32 can be staggered in closed cavity 5.
Under normal circumstances, insulation tube body 3 is located at the both ends of termination electrode 1, with termination electrode 1 be sealed welding formed it is closed
Cavity, when being discharged in this case, arc light forces down, and is unfavorable for carrying out follow current interrupt.
The structure diagram of porous structure in gas-discharge tube as shown in Figure 6, in the present embodiment, the porous structure 32
Can also be multiple, the porous structure 32 may be provided inside insulation tube body 3, and through closed cavity 5.In discharge gas 4
When being discharged, electric arc is divided into multiple small electric arcs, the characteristic easily voluntarily interdicted using small electric arc, so as to improve afterflow
Breaking capacity.
32 inside of porous structure can be equipped with several triggering bands 33, which can be carbon line, can also be other
Realize the mode of same or similar function, this is not restricted for the present embodiment.When porous structure 32 is semiconductor or insulator,
At least one can be set in the inside of porous structure 32 with cuspidated triggering band 33, the triggering band 33 draws for triggering electric discharge
Arc, auxiliary divide arc, when allowing each 7 passage of discharging gap to be discharged faster evenly.
Electric current can also be passed through by porous structure through upper end electrode when discharge gas 4 is discharged by the triggering band 33
32 reach lower end electrode, gas discharge are formed, so as to carry out overvoltage protection.
Closed cavity 5 is separated into multiple sub- cavitys by the porous structure 32, so as to form multiple porous channels 321,
When discharge gas is discharged, it can be more advantageous in electronics and ion of the porous channel 321 full of ionization in porous channel 321
The electronics and ion of ionization and the discharge gas progress not being ionized outside porous channel 321 are again compound, so as to form new put
Electrical body 4, improves follow current interrupt ability.
The upper and lower surface of the porous structure 32 can be mutually parallel with the both ends of termination electrode 1, discharge in discharge gas 4
When, the electric arc that can form gas-discharge tube 100 is effectively split, and so as to form multiple small electric arcs, utilizes the small electric arc
The characteristic of follow current interrupt is easier to make for, so as to improve the follow current interrupt ability of gas-discharge tube 100.
The present embodiment on gas-discharge tube 100 by setting segmenting structure, when discharge gas 4 is discharged, can incite somebody to action
The electric arc that gas-discharge tube 100 is formed is split, and so as to form multiple small electric arcs, is easier to make for afterflow using small electric arc and is hidden
Disconnected characteristic, so as to improve the follow current interrupt ability of gas-discharge tube 100.
With reference to Fig. 7 a, in 200 1 embodiment of the utility model gas-discharge tube, the segmenting structure further includes segmentation electricity
Pole 11, the segmentation electrode 11 are at least one in concave electrode, convex electrode and concave-convex electrode combination.
The segmentation electrode 11 is arranged on the termination electrode 1, the first table of the segmentation electrode 11 and the termination electrode 1
Face be electrically connected, wherein the first surface for the termination electrode 1 towards it is described insulation tube body 3 surface.
The structure diagram of convex electrode in gas-discharge tube as shown in Figure 7b, in the segmentation electrode of gas-discharge tube 200
11 when being convex electrode 111, and the convex electrode 111 can be multiple small cylinders, be evenly distributed on the inner surface of termination electrode 1, and convex
111 one end of electrode is fixed on the inner surface of termination electrode 1, and the other end is stretched into closed cavity 5, and the axis of convex electrode 111 can be with
The axis of the termination electrode 1 is mutually parallel, so as to which electric arc is effectively split, the convex surface Ke Chu of the convex electrode 111
In in different planes.
The structure diagram of the gas-discharge tube 201 with convex electrode of another embodiment as shown in Figure 8 a, it is described convex
The convex surface of electrode 111 can be in different planes.
The structure diagram of convex electrode in the gas-discharge tube 201 of another embodiment as shown in Figure 8 b, in discharge gas 4
When being discharged, the electric arc which can form gas-discharge tube 200 is effectively split, multiple so as to be formed
Small electric arc is easier to make for follow current interrupt using the small electric arc, so as to improve the follow current interrupt ability of gas-discharge tube 200.
Multiple triggering bands 33 can be equipped with inside insulation tube body 3, which can be carbon line, can also be other realization phases
Same or identity function mode, this is not restricted for the present embodiment, described to trigger band 33 for triggering electric discharge striking, aids in dividing
Arc, when allowing each 7 passage of discharging gap to be discharged faster evenly.
Electric current can be arrived through upper end electrode by the tube body 3 that insulate when discharge gas 4 is discharged by the triggering band 33
Up to lower end electrode, gas discharge is formed, so as to carry out overvoltage protection.
When discharge gas 4 discharges, electric current reaches lower end electrode through upper end electrode by triggering band 33, when gas discharge 4
During into arc light, electric arc is divided into multiple small electric arcs by convex electrode 111, and discharge gas 4 is ionized into ion and electronics by small electric arc,
The ion and electronics that are not ionized are further filled with outside small electric arc, the electric discharge that the ion and electronics by ionization are not ionized easily
Gas absorption is combined into gas molecule again, so as to improve follow current interrupt ability.
For the present embodiment by setting segmenting structure on termination electrode 1, which includes multiple convex electrodes 111, is putting
When electrical body 4 is discharged, the electric arc that gas-discharge tube 200 is formed can be split, so as to form multiple small electric arcs, utilized
The small electric arc is easier to make for the characteristic of follow current interrupt, so as to improve the follow current interrupt ability of gas-discharge tube 200.
The structure diagram of the gas-discharge tube with concave electrode with reference to shown in Fig. 9 a, in point of gas-discharge tube 202
Cut electrode for concave electrode when, the concave electrode can be multiple shrinkage pools, be evenly distributed on the inner surface of termination electrode 1, and concave electrode 112
One end is fixed on the inner surface of termination electrode 1, and in the inner surface of the recessed termination electrode 1 of the other end, and the axis of concave electrode 112 can be with institute
The axis for stating termination electrode 1 is mutually parallel, and so as to which electric arc is effectively split, the concave surface of the concave electrode 112 can be at
In different planes.
The structure diagram of concave electrode in gas-discharge tube as shown in figure 9b, when discharge gas 4 is discharged, this is recessed
The electric arc that electrode 112 can be formed gas-discharge tube 202 is effectively split, small using this so as to form multiple small electric arcs
Electric arc is easier to make for follow current interrupt, so as to improve the follow current interrupt ability of gas-discharge tube 202.
Multiple triggering bands 33 can be equipped with inside insulation tube body 3, which can be carbon line, can also be other realization phases
Same or identity function mode, this is not restricted for the present embodiment, described to trigger band 33 for triggering electric discharge striking, aids in dividing
Arc, when allowing each 7 passage of discharging gap to be discharged faster evenly.
Electric current can be arrived through upper end electrode by the tube body 3 that insulate when discharge gas 4 is discharged by the triggering band 33
Up to lower end electrode, gas discharge is formed, so as to carry out overvoltage protection.
When discharge gas 4 discharges, electric current reaches lower end electrode through upper end electrode by triggering band 33, when gas discharge 4
During into arc light, electric arc is divided into multiple small electric arcs by concave electrode 112, and discharge gas 4 is ionized into ion and electronics by small electric arc,
The ion and electronics that are not ionized are further filled with outside small electric arc, the electric discharge that the ion and electronics by ionization are not ionized easily
Gas absorption is combined into gas molecule again, so as to improve follow current interrupt ability.
For the present embodiment by setting segmenting structure on termination electrode 1, which includes multiple concave electrodes 112, is putting
When electrical body 4 is discharged, the electric arc that gas-discharge tube 202 is formed can be split, so as to form multiple small electric arcs, utilized
The small electric arc is easier to make for the characteristic of follow current interrupt, so as to improve the follow current interrupt ability of gas-discharge tube 202.
The structure diagram of the gas-discharge tube with ring electrode with reference to shown in Figure 10 a, in point of gas-discharge tube 203
Cut electrode for ring electrode when, the ring electrode 113 can be multiple protrusions small circle ring of the same size, gas as shown in fig. lob
The structure diagram of ring electrode in body discharge tube, the ring electrode 113 are evenly distributed on the inner surface of termination electrode 1, and ring electricity
113 one end of pole is fixed on the inner surface of termination electrode 1, and the raised other end is stretched into closed cavity 5, and the axis of ring electrode 113
It can be mutually parallel with the axis of the termination electrode 1, so as to which electric arc is effectively split, the convex surface of the ring electrode 113
It can be in different planes.
The structure diagram of the gas-discharge tube 204 with ring electrode of another embodiment with reference to shown in Figure 11 a, it is described
Ring electrode 114 can be multiple socket annulus, the annulus can be small circle ring of the same size, another implementation as shown in figure 11b
The structure diagram of ring electrode in example gas-discharge tube, the ring electrode 114 are distributed in the inner surface of termination electrode 1, and ring electricity
114 one end of pole is fixed on the inner surface of termination electrode 1, and the other end is stretched into closed cavity 5, and the axis of ring electrode 114 can be with institute
The axis for stating termination electrode 1 is mutually parallel, so as to which electric arc is effectively split.
When discharge gas 4 is discharged, which can carry out the electric arc that gas-discharge tube 203 is formed effective
Segmentation, so as to form multiple small electric arcs, follow current interrupt is easier to make for using the small electric arc, so as to improve gas-discharge tube
203 follow current interrupt ability.
Multiple triggering bands 33 can be equipped with inside insulation tube body 3, which can be carbon line, can also be other realization phases
Same or identity function mode, this is not restricted for the present embodiment, described to trigger band 33 for triggering electric discharge striking, aids in dividing
Arc, when allowing each 7 passage of discharging gap to be discharged faster evenly.
Electric current can be arrived through upper end electrode by the tube body 3 that insulate when discharge gas 4 is discharged by the triggering band 33
Up to lower end electrode, gas discharge is formed, so as to carry out overvoltage protection.
When discharge gas 4 discharges, electric current reaches lower end electrode through upper end electrode by triggering band 33, when gas discharge 4
During into arc light, electric arc is divided into multiple small electric arcs by ring electrode 113, and discharge gas 4 is ionized into ion and electronics by small electric arc,
The ion and electronics that are not ionized are further filled with outside small electric arc, the electric discharge that the ion and electronics by ionization are not ionized easily
Gas absorption is combined into gas molecule again, so as to improve follow current interrupt ability.
For the present embodiment by setting segmenting structure on termination electrode 1, which includes multiple ring electrodes 113, is putting
When electrical body 4 is discharged, the electric arc that gas-discharge tube 203 is formed can be split, so as to form multiple small electric arcs, utilized
The small electric arc is easier to make for the characteristic of follow current interrupt, so as to improve the follow current interrupt ability of gas-discharge tube 203.
With reference to 205 structure diagram of gas-discharge tube with target shown in Figure 12 a, the closed cavity 5 with/
Or insulation tube body 3 is provided with target 6, the segmentation electrode 11 is arranged on the target 6, the segmentation electrode 11
For at least one in concave electrode, convex electrode and concave-convex electrode combination.
When the segmentation electrode of gas-discharge tube 205 is convex electrode 111, in gas-discharge tube 205 as shown in Figure 12b in
Between electrode front view, the top view of target, the convex electrode 111 are set in gas-discharge tube 205 as shown in fig. 12 c
On the target 6.The convex electrode 111 is evenly distributed on the surface of target, and the axis of convex electrode 111 can be with
The axis of the termination electrode 1 is mutually parallel, and so as to which electric arc is effectively split, the convex electrode 111 passes through the branch that insulate
Frame is fixed on insulation tube body, can be also fixed by other positions, the present embodiment is not restricted this.The convex electrode
111 convex surface can be in different planes.
When discharge gas 4 is discharged, which can carry out the electric arc that gas-discharge tube 205 is formed effective
Segmentation, so as to form multiple small electric arcs, follow current interrupt is easier to make for using the small electric arc, so as to improve gas-discharge tube
205 follow current interrupt ability.
Multiple triggering bands 33 can be equipped with inside insulation tube body 3, which can be carbon line, can also be other realization phases
Same or identity function mode, this is not restricted for the present embodiment, described to trigger band 33 for triggering electric discharge striking, aids in dividing
Arc, when allowing each 7 passage of discharging gap to be discharged faster evenly.
Electric current can be arrived through upper end electrode by the tube body 3 that insulate when discharge gas 4 is discharged by the triggering band 33
Up to lower end electrode, gas discharge is formed, so as to carry out overvoltage protection.
When discharge gas 4 discharges, electric current reaches lower end electrode through upper end electrode by triggering band 33, when gas discharge 4
During into arc light, electric arc is divided into multiple small electric arcs by convex electrode 111, and discharge gas 4 is ionized into ion and electronics by small electric arc,
The ion and electronics that are not ionized are further filled with outside small electric arc, the electric discharge that the ion and electronics by ionization are not ionized easily
Gas absorption is combined into gas molecule again, so as to improve follow current interrupt ability.
For the present embodiment by setting segmenting structure on termination electrode 1, which includes multiple convex electrodes 111, is putting
When electrical body 4 is discharged, the electric arc that gas-discharge tube 205 is formed can be split, so as to form multiple small electric arcs, utilized
The small electric arc is easier to make for the characteristic of follow current interrupt, so as to improve the follow current interrupt ability of gas-discharge tube 205.
Another embodiment with reference to shown in Figure 13 has 206 structure diagram of gas-discharge tube of target, described close
It closes cavity 5 and/or insulation tube body 3 is provided with several targets 6, the segmentation electrode 11 is arranged on the termination electrode 1, institute
Segmentation electrode 11 is stated as at least one in concave electrode, convex electrode and concave-convex electrode combination.
When the segmentation electrode of gas-discharge tube 206 is convex electrode 111, the convex electrode 111 is arranged on the termination electrode 1
On.The convex electrode 111 is evenly distributed on termination electrode 1 towards the surface of the insulation tube body 3, and the axis of convex electrode 111 can
It is mutually parallel with the axis of the termination electrode 1, so as to which electric arc is effectively split, the convex electrode 111 passes through insulation
Frame is fixed on closed cavity 5, can be also fixed by other positions, the present embodiment is not restricted this.The convex electrode
111 convex surface can be in different planes.In the insulation tube body 3, several side electrodes 8 are set.
The convex electrode 111 can effectively be split the discharging gap 7 that gas-discharge tube 206 is formed, in discharge gas 4
When being discharged, the electric arc that discharge gas is formed effectively is split, so as to form multiple small electric arcs, utilizes the small electric arc
Follow current interrupt is easier to make for, so as to improve the follow current interrupt ability of gas-discharge tube 206.
Multiple triggering bands 33 can be equipped with inside insulation tube body 3, which can be carbon line, can also be other realization phases
Same or identity function mode, this is not restricted for the present embodiment, described to trigger band 33 for triggering electric discharge striking, aids in dividing
Arc, when allowing each 7 passage of discharging gap to be discharged faster evenly.
Electric current can be arrived through upper end electrode by the tube body 3 that insulate when discharge gas 4 is discharged by the triggering band 33
Up to lower end electrode, gas discharge is formed, so as to carry out overvoltage protection.
When discharge gas 4 discharges, electric current reaches lower end electrode through upper end electrode by triggering band 33, when gas discharge 4
During into arc light, electric arc is divided into multiple small electric arcs by convex electrode 111, and discharge gas 4 is ionized into ion and electronics by small electric arc,
The ion and electronics that are not ionized are further filled with outside small electric arc, the electric discharge that the ion and electronics by ionization are not ionized easily
Gas absorption is combined into gas molecule again, so as to improve follow current interrupt ability.
The present embodiment on the termination electrode 1 of the gas-discharge tube with target by setting segmenting structure, the segmentation
Structure includes multiple convex electrodes 111, when discharge gas 4 is discharged, can be divided the electric arc that gas-discharge tube 206 is formed
It cuts, so as to form multiple small electric arcs, the characteristic of follow current interrupt is easier to make for using the small electric arc, so as to improve gas-discharge tube
206 follow current interrupt ability.
With reference to 207 structure diagram of gas-discharge tube shown in Figure 14 a, the segmenting structure include porous structure 32 and with
The termination electrode 1 first surface electrical connection segmentation electrode 11, the porous structure 32 be arranged on it is described insulation tube body 3 and/
Or when on the closed cavity 5, the closed cavity 5 is divided into several porous channels 321 by the porous structure 32, described point
It cuts electrode to be arranged on the termination electrode 1, the segmentation electrode is electrically connected with the first surface of the termination electrode 1, wherein described
First surface for the termination electrode 1 towards it is described insulation tube body 3 surface.It is described segmentation electrode 11 for concave electrode, convex electrode with
At least one of and in concave-convex electrode combination.
When the segmentation electrode of gas-discharge tube 207 is convex electrode 111, the convex electrode 111 is arranged on electricity among described
On pole 6.The convex electrode 111 is evenly distributed on the inner surface of termination electrode 1, and 111 one end of convex electrode is fixed on the interior of termination electrode 1
Surface, the other end connects the target 6, and the axis of convex electrode 111 can be mutually parallel with the axis of the termination electrode 1,
So as to which electric arc is effectively split, the convex surface of the convex electrode 111 can be in different planes.The convex electrode
111 are fixed on the closed cavity 5 with the porous structure 32 by Insulating frame 9.
The structure diagram of the Insulating frame in gas-discharge tube 207 as shown in fig. 14b；The convex electrode 111 with it is more
Pore structure 32 is fixed by Insulating frame 9, and the structure of the porous structure in gas-discharge tube 207 as shown in figure 14 c is shown
It is intended to, the structure diagram of the convex electrode in gas-discharge tube 207 as shown in Figure 14 d.
When discharge gas 4 is discharged, which can carry out the electric arc that gas-discharge tube 207 is formed effective
Segmentation, so as to form multiple small electric arcs, follow current interrupt is easier to make for using the small electric arc, so as to improve gas-discharge tube
207 follow current interrupt ability.
Multiple triggering bands 33 can be equipped with inside insulation tube body 3, which can be carbon line, can also be other realization phases
Same or identity function mode, this is not restricted for the present embodiment, described to trigger band 33 for triggering electric discharge striking, aids in dividing
Arc, when allowing each discharging gap 7 to be discharged faster evenly.
Electric current can be arrived through upper end electrode by the tube body 3 that insulate when discharge gas 4 is discharged by the triggering band 33
Up to lower end electrode, gas discharge is formed, so as to carry out overvoltage protection.
Closed cavity 5 is separated into multiple sub- cavitys by the porous structure 32, so as to form multiple discharging gaps 7, is being put
When electrical body is discharged, 7 internal ionization of discharging gap can be more advantageous in electronics and ion of the discharging gap 7 full of ionization
Electronics and ion carried out again with the discharge gas 4 not being ionized outside discharging gap 7 it is compound, so as to form new discharge gas 4,
Improve follow current interrupt ability.
The present embodiment sets convex electrode 111 on termination electrode 1, is putting by setting porous structure 32 on insulation tube body 3
When electrical body 4 is discharged, the electric arc that gas-discharge tube 207 is formed can be split, so as to form multiple small electric arcs, utilized
The small electric arc is easier to make for the characteristic of follow current interrupt, so as to improve the follow current interrupt ability of gas-discharge tube 207.
With reference to 208 structure diagram of gas-discharge tube shown in Figure 15, touching for back taper is embedded in the segmentation electrode
Generate electricity pole 115, and the addendum cone of the back taper and the male and female face of the segmentation electrode are located in Different Plane.
When discharge gas 4 is discharged, which can have the electric arc that gas-discharge tube 208 is formed
The segmentation of effect so as to form multiple small electric arcs, is easier to make for follow current interrupt, so as to improve gas-discharge tube using the small electric arc
208 follow current interrupt ability.
Multiple triggering bands 33 can be equipped with inside insulation tube body 3, which can be carbon line, can also be other realization phases
Same or identity function mode, this is not restricted for the present embodiment.
The triggered electrode 115 of electric current can be passed through by the tube body that insulate when discharge gas 4 is discharged by the triggering band 33
3 reach lower end electrode 1, gas discharge are formed, so as to carry out overvoltage protection.
When discharge gas 4 discharges, the triggered electrode 115 of electric current reaches lower end electrode 1 by triggering band 33, when gas is put
When electricity 4 is into arc light, the electric arc electrode 115 that is triggered is divided into multiple small electric arcs, and discharge gas 4 is ionized into ion and electricity by small electric arc
Son is further filled with the ion and electronics not being ionized outside small electric arc, and the ion and electronics by ionization are not ionized easily
Discharge gas 4 adsorb, gas molecule is combined into again, so as to improve follow current interrupt ability.
For the present embodiment by setting segmentation electrode on termination electrode 1, which embeds multiple trigger electrodes 115,
When discharge gas 4 is discharged, the electric arc that gas-discharge tube 208 is formed can be split, so as to form multiple small electric arcs, profit
The characteristic of follow current interrupt is easier to make for the small electric arc, so as to improve the follow current interrupt ability of gas-discharge tube 208.
In order to which porcelain tube is made effectively to be welded with termination electrode, and it is simple for process, in the concrete realization, the insulation tube
Body 3 can be metallization insulation tube body 3.
In order to realize the metallization of insulation tube body 3, insulation tube body 3 can be scribbled into molybdenum manganese layer 31 with 1 weld of termination electrode, from
And effectively welded with termination electrode 1 convenient for insulation tube body 3, in the concrete realization, 3 surface of metallization insulation tube body has
Molybdenum manganese layer 31.
In order to ensure the closure of gas-discharge tube 100, pass through solder connection metallization insulation tube body 3 and the termination electrode
1, in the concrete realization, the metallization insulation tube body 3 and the connecting portion of the termination electrode 1 can be welded with solder.
It is simple for process in order to realize, the metallization insulation tube body 3 and the termination electrode 1 are welded by silver-copper brazing alloy 2
Connecting portion, in the case of ensureing closure, it is easier to operate, in the concrete realization, the solder can be silver-copper brazing alloy
2。
It these are only the preferred embodiment of the utility model, it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is directly or indirectly used in
Other related technical areas are equally included in the patent within the scope of the utility model.
Claims (10)
1. a kind of gas-discharge tube, which is characterized in that including the tube body that insulate, the both ends of the insulation tube body are respectively arranged with end electricity
Pole, so that the insulation tubular body forms closed cavity, the insulation tube body, the termination electrode and the closed cavity are extremely
Few one is provided with segmenting structure；The segmenting structure is used to put gas there are during discharge gas in the closed cavity
The electric arc of electric forming is split, and the closed cavity is divided into multiple discharging gaps, forms the parallel connection of the discharging gap；
The segmenting structure is additionally operable in gas discharge, and the closed cavity is divided into ionized region and sub- ionized region.
2. gas-discharge tube according to claim 1, which is characterized in that the segmenting structure includes porous structure, described
When porous structure is arranged on the insulation tube body and/or the closed cavity, the porous structure divides the closed cavity
It is cut into several discharge channels.
3. gas-discharge tube according to claim 2, which is characterized in that comprising several porous structures, the porous structure
For any one of conductor, semiconductor and insulator.
4. gas-discharge tube according to claim 1, which is characterized in that the segmenting structure further includes segmentation electrode, institute
Segmentation electrode is stated as at least one in concave electrode, convex electrode and concave-convex electrode combination.
5. gas-discharge tube according to claim 4, which is characterized in that the segmentation electrode is arranged on the termination electrode
On, the segmentation electrode is electrically connected with the first surface of the termination electrode, wherein the first surface is the termination electrode direction
The surface of the insulation tube body.
6. gas-discharge tube according to claim 5, which is characterized in that the closed cavity and/or insulation tube body are set
There is target, the segmentation electrode is arranged on the target.
7. gas-discharge tube according to any one of claim 1 to 6, which is characterized in that embedded in the segmentation electrode
There is the trigger electrode of back taper, the addendum cone of the back taper and the male and female face of the segmentation electrode are located in Different Plane.
8. gas-discharge tube according to any one of claim 1 to 6, which is characterized in that the discharging gap size phase
Deng.
9. gas-discharge tube according to any one of claim 1 to 6, which is characterized in that the segmenting structure includes more
Pore structure and the segmentation electrode being electrically connected with the first surface of the termination electrode, the porous structure are arranged on the insulation tube body
And/or when on the closed cavity, the closed cavity is divided into several discharge channels, the segmentation electricity by the porous structure
Pole is arranged on the termination electrode, and the segmentation electrode is electrically connected with the first surface of the termination electrode, wherein first table
Face for the termination electrode towards it is described insulation tube body surface.
10. gas-discharge tube according to any one of claim 1 to 6, which is characterized in that side is set in the insulation tube body
There are several triggering conductive strips, the triggering conductive strips are used in gas discharge, and the electric current of the first termination electrode is made to be touched along described
Hair conductive strips flow to the second termination electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721239590.9U CN207398060U (en) | 2017-09-25 | 2017-09-25 | Gas-discharge tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721239590.9U CN207398060U (en) | 2017-09-25 | 2017-09-25 | Gas-discharge tube |
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| Publication Number | Publication Date |
|---|---|
| CN207398060U true CN207398060U (en) | 2018-05-22 |
Family
ID=62405149
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|---|---|---|---|
| CN201721239590.9U Active CN207398060U (en) | 2017-09-25 | 2017-09-25 | Gas-discharge tube |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706074A (en) * | 2017-09-25 | 2018-02-16 | 东莞市阿甘半导体有限公司 | Gas-discharge tube |
| CN109301694A (en) * | 2018-10-19 | 2019-02-01 | 华格电子（昆山）有限公司 | A kind of discharge tube and its manufacturing method of more discharge cavity parallel connections |
-
2017
- 2017-09-25 CN CN201721239590.9U patent/CN207398060U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706074A (en) * | 2017-09-25 | 2018-02-16 | 东莞市阿甘半导体有限公司 | Gas-discharge tube |
| CN107706074B (en) * | 2017-09-25 | 2024-02-09 | 深圳市槟城电子股份有限公司 | Gas discharge tube |
| CN109301694A (en) * | 2018-10-19 | 2019-02-01 | 华格电子（昆山）有限公司 | A kind of discharge tube and its manufacturing method of more discharge cavity parallel connections |
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Effective date of registration: 20191107 Address after: 518000 west side of building e, zone a, Hongfa science and Technology Industrial Park, Tangtou community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Bencent Electronics Co., Ltd. Address before: 523000 Guangdong province Dongguan city of Songshan Lake High and New Technology Industrial Development Zone, No. 8 Industrial South Road, the 1 floor of the venture building Patentee before: Dongguan Agam Semiconductor Co., Ltd. |
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Address after: 518000 west side of 1st floor, building e, area a, Hongfa science and Technology Industrial Park, Tangtou community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Penang Electronics Co.,Ltd. Address before: 518000 west side of 1st floor, building e, area a, Hongfa science and Technology Industrial Park, Tangtou community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Bencent Electronics Co.,Ltd. |