CN205724371U - A kind of new ceramics discharge tube - Google Patents
A kind of new ceramics discharge tube Download PDFInfo
- Publication number
- CN205724371U CN205724371U CN201620390936.4U CN201620390936U CN205724371U CN 205724371 U CN205724371 U CN 205724371U CN 201620390936 U CN201620390936 U CN 201620390936U CN 205724371 U CN205724371 U CN 205724371U
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- CN
- China
- Prior art keywords
- earthenware
- end electrodes
- electrode
- interior electrode
- cavity
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of new ceramics discharge tube, it relates to discharge tube technical field.Its earthenware is cylindrical, the inside of earthenware is a cavity, the top of two end electrodes connects electrode column, electrode column is connected with fixing connecting portion by welding, and welding portion forms weld part, and two end electrodes does not contact earthenware, cavity inside is provided with interior electrode, interior electrode is between two end electrodes, and the connection post at interior electrode two ends is fixed through earthenware, and the inner surface of two end electrodes and the surface of interior electrode are coated with coating of metal oxides；Noble gas medium it is filled with in the cavity of described earthenware.This utility model has the beneficial effect that it has the running voltage of superelevation; it is applicable to the protection of the high route of operating frequency; the use demand of the low-voltage electrical apparatus system that some higher protections require can be met; structure is compact to design; meet and be applicable to great majority protection occasion and circuit, applied widely, it is connected firmly; safety, is conducive to promoting the use of.
Description
Technical field
This utility model relates to discharge tube technical field, is specifically related to a kind of new ceramics electric discharge
Pipe.
Background technology
Overvoltage protection i.e. surge protection, is an emerging technology.It is intended to protect electrical equipment
From the interference infringement of lightning surge, system overvoltage, switching overvoltage and harmonic wave, surge is protected
Protect also is to play above-mentioned effect or the general designation of the element of function, assembling device and other measure.
At present, electrical equipment overvoltage protection gas-discharge tube is the most all to include upper/lower electrode, peace
The earthenware being contained between upper/lower electrode, is filled with noble gas in earthenware, works as applied voltage
When increasing above the dielectric strength of gas, the gap of two interpolars is by discharge breakdown, by original
State of insulation is converted into conduction state, and this gas discharge can effectively protect various electrical equipment not to be subject to
The surge voltage of impact is destroyed.
But, owing to structure arranges unreasonable, generally there is volume in ceramic discharge tube traditionally
The excessive defect affecting range, and it is not suitable for the protection of the high route of operating frequency, difficult
To meet the use demand of the low-voltage electrical apparatus system that some higher protections require.
Utility model content
The purpose of this utility model is the defect for prior art and deficiency, it is provided that Yi Zhongjie
The new ceramics discharge tube that structure is simple, reasonable in design, easy to use, it has the work of superelevation
Voltage, it is adaptable to the protection of the route that operating frequency is high, can meet what some higher protections required
The use demand of low-voltage electrical apparatus system, structure is compact to design, meets and is applicable to great majority protection
Occasion and circuit, applied widely, it is connected firmly, safety, be conducive to promoting the use of.
In order to solve the problem existing for background technology, the technical solution adopted in the utility model
For: it include earthenware, cavity, two end electrodes, weld part, electrode column, fixing connecting portion,
Interior electrode, coating of metal oxides；Described earthenware is cylindrical, and the inside of earthenware is one
Cavity, the top of two end electrodes connects electrode column, being provided centrally with for pacifying of fixing connecting portion
The through hole of loading electrode post, electrode column is connected with fixing connecting portion by welding, and welding portion is formed
Weld part, fixes and is tightly connected between connecting portion and earthenware, and two end electrodes extend into earthenware
In internal cavities, two end electrodes does not contact earthenware, and cavity inside is provided with interior electrode, interior electricity
Pole is between two end electrodes, and interior electrode does not the most contact earthenware, the connection at interior electrode two ends
Post is fixed through earthenware, connects and seals between post and earthenware, the inner surface of two end electrodes and
The surface of interior electrode is coated with coating of metal oxides.
Further, it is filled with noble gas medium in the cavity of described earthenware.
After using said structure, this utility model has the beneficial effect that it has the work of superelevation electricity
Pressure, it is adaptable to the protection of the route that operating frequency is high, can meet the low of some higher protection requirements
The use demand of pressure electric system, structure is compact to design, meets and is applicable to great majority protection field
Close and circuit, applied widely, it is connected firmly, safety, be conducive to promoting the use of.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Description of reference numerals: earthenware 1, cavity 2, two end electrodes 3, weld part 4, electrode
Post 5, fixing connecting portion 6, interior electrode 7, coating of metal oxides 8.
Detailed description of the invention
Below in conjunction with the accompanying drawings, this utility model is further described.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below
In conjunction with the drawings and the specific embodiments, this utility model is further elaborated.Should
Understanding, detailed description of the invention described herein only in order to explain this utility model, is not used to
Limit this utility model.
As it is shown in figure 1, this detailed description of the invention adopts the following technical scheme that it includes earthenware
1, cavity 2, two end electrodes 3, weld part 4, electrode column 5, fixing connecting portion 6, interior electricity
Pole 7, coating of metal oxides 8；Described earthenware 1 is cylindrical, the inside of earthenware 1
Being a cavity 2, the top of two end electrodes 3 connects electrode column 5, the center of fixing connecting portion 6
Being provided with the through hole for installing electrode column 5, electrode column 5 is by welding and fixing connecting portion 6
Connecting, welding portion forms weld part 4, the fixing company of sealing between connecting portion 6 and earthenware 1
Connecing, two end electrodes 3 extend in earthenware 1 internal cavities 2, and two end electrodes 3 does not contact pottery
Porcelain tube 1, cavity 2 is internally provided with interior electrode 7, interior electrode 7 between two end electrodes 3,
And interior electrode 7 does not the most contact earthenware 1, the connection post at interior electrode 7 two ends passes earthenware 1
Fixing, connect and seal between post and earthenware 1, the inner surface of two end electrodes 3 and interior electrode 7
Surface be coated with coating of metal oxides 8.
Further, it is filled with noble gas medium in the cavity 2 of described earthenware 1.
Two end electrodes 3 is connected on fixing connecting portion 6 by electrode column 5, makes two end electrodes 3
Will not contact with earthenware 1, the connection post at interior electrode 7 two ends is fixed through earthenware 1, interior
Electrode 7 does not the most contact earthenware 1, and coating of metal oxides 8 can give discharge tube with very
Low breakdown voltage value, two end electrodes 3 and interior electrode 7 with the use of, make it to be applicable to work
The protection of the route that working frequency is high.
This detailed description of the invention has the running voltage of superelevation, it is adaptable to the route that operating frequency is high
Protection, use demands of low-voltage electrical apparatus systems that some higher protections require, structure can be met
Compact to design, meet and be applicable to great majority protection occasion and circuit, applied widely, connect
Firmly, safety, be conducive to promoting the use of.
The above, is only in order to the technical solution of the utility model to be described and unrestricted, this area
Other amendment or equivalent that the technical solution of the utility model is made by those of ordinary skill are replaced
Change, without departing from the spirit and scope of technical solutions of the utility model, all should contain in this reality
In the middle of novel right.
Claims (2)
1. a new ceramics discharge tube, it is characterised in that include earthenware (1), cavity (2),
Two end electrodes (3), weld part (4), electrode column (5), fixing connecting portion (6), interior electrode (7),
Coating of metal oxides (8)；Described earthenware (1) is cylindrical, and the inside of earthenware (1) is
One cavity (2), the top of two end electrodes (3) connects electrode column (5), in fixing connecting portion (6)
The heart is provided with the through hole installing electrode column (5), and electrode column (5) is by welding and fixing connecting portion (6)
Connecting, welding portion forms weld part (4), fixing close between connecting portion (6) and earthenware (1)
Envelope connects, and two end electrodes (3) extend in earthenware (1) internal cavities (2), two end electrodes (3)
Not contacting earthenware (1), cavity (2) is internally provided with interior electrode (7), and interior electrode (7) is positioned at two
Between termination electrode (3), and interior electrode (7) does not the most contact earthenware (1), interior electrode (7) two ends
Connect post to fix through earthenware (1), connect and seal between post and earthenware (1), two end electrodes
(3) inner surface and the surface of interior electrode (7) are coated with coating of metal oxides (8).
A kind of new ceramics discharge tube the most according to claim 1, it is characterised in that institute
It is filled with noble gas medium in stating the cavity (2) of earthenware (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620390936.4U CN205724371U (en) | 2016-05-04 | 2016-05-04 | A kind of new ceramics discharge tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620390936.4U CN205724371U (en) | 2016-05-04 | 2016-05-04 | A kind of new ceramics discharge tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205724371U true CN205724371U (en) | 2016-11-23 |
Family
ID=57332469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620390936.4U Expired - Fee Related CN205724371U (en) | 2016-05-04 | 2016-05-04 | A kind of new ceramics discharge tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205724371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110301079A (en) * | 2018-01-23 | 2019-10-01 | 东莞令特电子有限公司 | Combined type tubulose metal oxide varistor and gas-discharge tube |
-
2016
- 2016-05-04 CN CN201620390936.4U patent/CN205724371U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110301079A (en) * | 2018-01-23 | 2019-10-01 | 东莞令特电子有限公司 | Combined type tubulose metal oxide varistor and gas-discharge tube |
| US11043317B2 (en) | 2018-01-23 | 2021-06-22 | Dongguan Littelfuse Electronics Company Limited | Conbined tubular metal oxide varistor and gas discharge tube |
| CN110301079B (en) * | 2018-01-23 | 2021-08-24 | 东莞令特电子有限公司 | Combined tubular metal oxide varistor and gas discharge tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20180504 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |