Glass gas-discharge pipe
Technical field
This utility model relates to a kind of discharge tube, particularly relates to a kind of glass gas-discharge pipe.
Background technology
Glass discharge vessel is to be integrated in gas-discharge tube by quasiconductor Si, makes the big surge of this product collection gas-discharge tube
The high-speed response of electric current and quasiconductor, in one, overcomes raw-gas discharge tube response speed slow (μ s level) and quasiconductor
Manage the weak shortcoming of resistance to surge current, there is fast response time (ns level), impact resistance, stable performance, reproducible and longevity
The advantages such as life is long;It is strong (8/20 μ s) that it has current carrying capability: 500A, 1000A, 3000A;Static capacity is less than
2PF (1KHZ), is quick on the draw, fast response time, and Clamping voltages is close to advantages such as its direct current break over voltages, and it mainly should
For: in the equipment such as cable television, railway communication, security protection, to prevent equipment from being damaged by overvoltage impact and lightning strike.
Such as Patent No.: " gas glass discharge tube " shown in " 03264072.2 ", its structure and the most glass on market
The structure of discharge tube is essentially identical, and owing to the glass discharge vessel in current technology is high pressure resistant, in stability and sensitivity
Also having certain defect, therefore truly have and the glass discharge vessel to current must be had to improve design, to adapt in the future, it should
By the further requirement of scope and sphere.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, adapts to reality need, it is provided that a kind of breakdown voltage essence
Accurate, sensitive, stable performance, the glass gas-discharge pipe of length in service life.
In order to realize the purpose of this utility model, the technical scheme that this utility model is used is:
A kind of glass gas-discharge pipe of design, it includes the seal casinghousing being made up of glass, is filled with lazy in seal casinghousing
Property gas;Also include anode discharge pole and the cathodic discharge pole being located in described seal casinghousing;Described seal casinghousing include in
Cylindric shell, it is located at described shell two ends the left sealing lid of annular seal space and the right lid that seals in this shell, will be formed, described
The left lid that seals is made by conducting metal material with the right lid that seals;Described anode discharge pole is solid with described left sealing lid medial surface
Fixed connection, described cathodic discharge pole is fixing with described right sealing lid medial surface to be connected, and described anode discharge pole and negative electrode are put
Electrode is oppositely arranged, and also includes that anode tap and cathode leg, described anode tap are fixed with described left sealing lid lateral surface
Connecting, described cathode leg is fixing with described right sealing lid lateral surface to be connected.
Preferably, described anode discharge pole includes anode discharge plate and for fixing and supporting described anode discharge plate
Anode conducting supporter, the tail end of described anode conducting supporter is fixing with described left sealing lid medial surface to be connected, its front end
By the described unsettled setting of anode discharge plate;Described cathodic discharge pole includes negative electrode conductive plate and for fixing and supporting institute
Stating the negative electrode conductive support of negative electrode conductive plate, the tail end of described negative electrode conductive support is solid with described right sealing lid medial surface
Fixed connection, its front end is by the described unsettled setting of negative electrode conductive plate;Described negative electrode conductive plate and described anode discharge plate set in opposite directions
Put.
Preferably, described negative electrode conductive plate and described anode discharge plate all scribble one layer of electrodeposited coating;Described electrodeposited coating
Thickness is 0.5mm~1.0mm.Use electrodeposited coating can improve its interelectrode electric conductivity, and then improve this ceramic gas and put
The precision of fulgurite and susceptiveness.
Preferably, described anode conducting supporter and described negative electrode conductive support are cylindrical carbon-point or copper rod.
Preferably, described negative electrode conductive plate is the circular configuration that shape is identical, and both thickness with described anode discharge plate
Degree is 0.5mm~1.0mm.
Preferably, the leading flank at described negative electrode conductive plate is additionally provided with and multiple draws electricity vertebral body for pointed, described in draw electricity vertebral body
Constitute with described negative electrode conductive plate integration.
Preferably, the described left lid that seals all is made of copper or silver with the right lid that seals.
Preferably, it is coated with graphite linings, the thickness of described graphite linings described left sealing on lid and the right medial surface sealing lid
Degree is 0.5mm~1.0mm.Graphite linings can be with shield electrode so that it is be difficult to impaired in electric discharge, thus extends its service life.
Preferably, it is equipped with projecting inner annular insert described left sealing on lid and the right medial surface sealing lid,
Described inner annular insert can be embedded in described shell, and described left sealing is covered with right sealing lid respectively by thereon interior
Ring-type insert is fixed on the two ends of described shell;Between described inner annular insert and described outer casing inner wall, Yi Jisuo
State shell and described right sealing is equipped with epoxy sealing layer between lid, left sealing lid.
Preferably, also include that outer ring-like insert, described inner annular insert are positioned at described outer ring-like insert, and institute
State between inner annular insert and outer ring-like insert constitute ring-shaped shell insert notch, described shell end be inserted into
Described ring-shaped shell inserts in notch.
The beneficial effects of the utility model are:
1. this glass gas-discharge pipe has in the application and higher punctures the accurate and sensitive performance of operation voltage;Have simultaneously
The effect of big discharge current, in use can avoid that element tandem product brought because of the difference between element or in pole
The problem burning element under threshold currents effect, can meet from electric property electrical equipment and high pressure equipment to surge current,
Voltage strengthens the effect of opposing.
2. its overall volume of the design is small and exquisite, can meet and adapt to multiple circuit and electric equipment is applied in combination.
3. its structure of glass gas-discharge pipe of the design is compact to design, is readily produced when production and assembly, passes through the design
Structure there is reliable stability and lasting usability in the application.
Accompanying drawing explanation
Fig. 1 is one of glass gas-discharge tubular construction of the present utility model schematic diagram;
Fig. 2 is one of glass gas-discharge tubular construction of the present utility model schematic diagram;
In figure: 1. shell;The most left sealing is covered;The rightest sealing is covered;4. negative electrode conductive support;5. anode conducting supporter;6.
Anode discharge plate;7. negative electrode conductive plate;8,9. outer ring-like insert;10,11. inner annular insert;12,13. asphalt mixtures modified by epoxy resin
Fat sealant;14. anode taps;15. cathode legs;16. draw electricity vertebral body.
Detailed description of the invention
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings:
Embodiment 1: a kind of glass gas-discharge pipe, sees Fig. 1;It includes the seal casinghousing being made up of glass, is sealing
Noble gas it is filled with in housing;Also include anode discharge pole and the cathodic discharge pole being located in described seal casinghousing;Originally set
In meter, described seal casinghousing it include shell 1 cylindrically, be located at described shell 1 two ends by shape in this shell 1
Becoming the left sealing lid 2 of annular seal space and right sealing lid 3, described left lid 2 and the right lid 3 that seals of sealing is by conducting metal material
Make;Preferably, described left sealing lid 2 and the right lid 3 that seals all are made of copper or silver.Meanwhile, the design is on a described left side
Seal and be equipped with projecting inner annular insert 10,11, described inner annular on lid 2 and the right medial surface sealing lid 3
Insert 10,11 can be embedded in described shell 1, and described left lid 2 and the right sealing lid 3 of sealing is respectively by it
Inner annular insert 10,11 be fixed on the two ends of described shell 1;Preferably, it also include outer ring-like insert 8,
9, described inner annular insert 10,11 is positioned at described outer ring-like insert 8,9, and described inner annular insert 10,
Between 11 and outer ring-like insert 8,9 constitute ring-shaped shell insert notch, and the two ends of described shell 1 be all inserted into
Described ring-shaped shell inserts in notch, and described inner annular insert 10,11, outer ring-like insert 8,9 and described
It is equipped with epoxy resin between shell 1 inwall and between described shell 1 and described right sealing lid 3, left sealing lid 2
Sealant 12,13, to reach the purpose sealed.
Further, in the design, described anode discharge pole is fixing with described left sealing lid 2 medial surface to be connected, described
Cathodic discharge pole is fixing with described right sealing lid 3 medial surface to be connected, and described anode discharge pole and cathodic discharge pole set in opposite directions
Put, and described anode discharge pole includes anode discharge plate 6 and for fixing and support the sun of described anode discharge plate
Pole conductive support 5, the tail end of described anode conducting supporter 5 is fixing with described left sealing lid 2 medial surface to be connected, its
Front end is by the described unsettled setting of anode discharge plate 6;Described cathodic discharge pole includes negative electrode conductive plate 7 and for fixing
With the negative electrode conductive support 4 of the described negative electrode conductive plate of support, the tail end of described negative electrode conductive support 4 is close with the described right side
Covering the fixing connection of 3 medial surface, its front end is by the described unsettled setting of negative electrode conductive plate 7;Described negative electrode conductive plate 7 He
Described anode discharge plate 6 is oppositely arranged.In the design, described anode conducting supporter 5 and described negative electrode conductive supporting
Body 4 is cylindrical carbon-point or copper rod;And described negative electrode conductive plate 7 and described anode discharge plate 6 are shape
Identical circular configuration, and both thickness is 0.5mm or 1.0mm;Also include anode tap 14 and cathode leg
15, described anode tap 14 is fixing with described left sealing lid 2 lateral surface to be connected, and described cathode leg 15 is close with the described right side
Cover the fixing connection of 3 lateral surface.
Embodiment 2, sees Fig. 2;Part same as in Example 1 repeats no more, and difference is: lead at described negative electrode
One layer of electrodeposited coating is all scribbled on electroplax 7 and described anode discharge plate 6;The thickness of described electrodeposited coating is 0.5mm or 1.0mm,
The design uses electrodeposited coating can improve its interelectrode electric conductivity, so improve this ceramic gas discharge tube precision and
Susceptiveness.
Meanwhile, the leading flank at described negative electrode conductive plate 7 is additionally provided with and multiple draws electricity vertebral body 16 for pointed, described in draw electricity vertebra
Body 16 and the integration of described negative electrode conductive plate 7 are constituted.Its design drawing electricity vertebral body 16 can improve this electric discharge in the application
The susceptiveness of the breakdown voltage of pipe and precision, the most beneficially electric current transmit to negative electrode conductive plate 7.
The design can also be coated with graphite linings described left sealing on lid 2 and the right medial surface sealing lid 3 simultaneously, institute
The thickness stating graphite linings is 0.5mm or 1.0mm, and the application of graphite linings can be with shield electrode so that it is seal casinghousing is being put
It is difficult to impaired during electricity, thus extends its service life.
To sum up, this glass gas-discharge pipe has in the application and higher punctures the accurate and sensitive performance of operation voltage;Simultaneously
There is the effect of big discharge current, in use can avoid that element tandem product brought because of the difference between element or
The problem burning element under carrying current effect, can meet electrical equipment and high pressure equipment to surge electricity from electric property
Stream, voltage strengthen the effect of opposing.
At last it is pointed out that embodiment of the present utility model announcement is preferred embodiment, but it is not limited thereto, this area
Those of ordinary skill, easily according to above-described embodiment, understand spirit of the present utility model, and make different amplifications and
Change, but as long as without departing from spirit of the present utility model, all in protection domain of the present utility model.