CN206059909U - A kind of gas-discharge tube - Google Patents
A kind of gas-discharge tube Download PDFInfo
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- CN206059909U CN206059909U CN201621006889.5U CN201621006889U CN206059909U CN 206059909 U CN206059909 U CN 206059909U CN 201621006889 U CN201621006889 U CN 201621006889U CN 206059909 U CN206059909 U CN 206059909U
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- cavity
- gas
- discharge tube
- overlying electrode
- painting
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Abstract
The utility model discloses a kind of gas-discharge tube, including contact conductor and cavity, the cavity upper and lower ends are provided with porcelain tube, sealing shroud is provided with outside the porcelain tube, the inside of the cavity is provided with conductive strips, the cavity or so two ends and is provided with painting overlying electrode, the painting overlying electrode is provided with tagblock, the contact conductor is connected with overlying electrode is applied by tagblock, is provided with electron emission substrate between the cavity and painting overlying electrode, and the porcelain tube both sides are provided with air vent.The gas-discharge tube; when Lightning Over-voltage is undergone; the performance of overvoltage protection can be played; and heat can be lost in air by air vent; which will not be made because temperature is too high to burst; by conductive strips are provided with groove, increase contact area, with preferable overvoltage and overcurrent protection ability.
Description
Technical field
This utility model belongs to electronic component technology field, and in particular to a kind of gas-discharge tube.
Background technology
Gas-discharge tube is a kind of clearance-type lightning protection components and parts, as discharge tube has insulation resistance big, parasitic electricity
Hold a series of little, big, little to the high frequency electrical signal interference features of through-current capacity；Therefore it is widely used in the weight such as electric power, communication
Want field.Operation principle：When two interpolar of discharge tube adds certain voltage, non-uniform electric field is produced in two interpolars；When voltage it is continuous
Raise, electric field constantly strengthens, in the presence of electric field force, in pipe, gas starts ionization, when voltage it is big to a certain extent when make pole
Between field intensity exceed gas dielectric strength when；Discharge breakdown is changed into conduction state by original state of insulation by two pole clearances,
After conducting, two voltage across poles of discharge tube will be maintained at putting the residual voltage level determined by electric arc channel.
The gas-discharge tube of prior art brings it about explosion due to too high temperature, causes its cisco unity malfunction,
Circuit safety is affected, accordingly, it would be desirable to be improved to prior art.
Utility model content
The purpose of this utility model is to provide a kind of gas-discharge tube, with asking for solving to propose in above-mentioned background technology
Topic.
For achieving the above object, this utility model provides following technical scheme：A kind of gas-discharge tube, including contact conductor
And cavity, the cavity upper and lower ends are provided with porcelain tube, sealing shroud are provided with outside the porcelain tube, and the inside of the cavity is provided with conduction
Band, the cavity or so two ends are provided with painting overlying electrode, and the painting overlying electrode is provided with tagblock, and the contact conductor passes through wiring
Block is connected with overlying electrode is applied, and is provided with electron emission substrate between the cavity and painting overlying electrode, and the porcelain tube both sides are provided with air vent.
Preferably, noble gases are filled with the cavity, the noble gases are the mixed gas of helium and nitrogen.
Preferably, the conductive strips are provided with groove.
Preferably, the conductive strips set at least to four groups.
Preferably, the air vent is connected with outside air.
Technique effect of the present utility model and advantage：The gas-discharge tube, when Lightning Over-voltage is undergone, can play
The performance of pressure protection, and heat can be lost in air by air vent, which will not be made because temperature is too high to burst,
By conductive strips are provided with groove, increase contact area, with preferable overvoltage and overcurrent protection ability.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1 contact conductor, 2 tagblocks, 3 apply overlying electrode, 4 sealing shrouds, 5 porcelain tubes, 6 cavitys, 7 conductive strips, 8 electronics and send out
Penetrate thing, 9 air vents.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
This utility model provides a kind of gas-discharge tube as shown in Figure 1, including contact conductor 1 and cavity 6, the chamber
6 upper and lower ends of body are provided with porcelain tube 5, and sealing shroud 4 is provided with outside the porcelain tube 5, and the inside of the cavity 6 is provided with conductive strips 7, described
6 or so two ends of cavity are provided with painting overlying electrode 3, and the painting overlying electrode 3 is provided with tagblock 2, and the contact conductor 1 passes through tagblock
2 are connected with overlying electrode 3 is applied, and are provided with electron emission substrate 8 between the cavity 6 and painting overlying electrode 3, and 5 both sides of the porcelain tube are provided with logical
Air holes 9.
Further, noble gases are filled with the cavity 6, the noble gases are the gaseous mixture of helium and nitrogen
Body.
Further, the conductive strips 7 are provided with groove.
Further, the conductive strips 7 set at least to four groups.
Further, the air vent 9 is connected with outside air.
The gas-discharge tube, when Lightning Over-voltage is undergone, can play the performance of overvoltage protection, and pass through air vent
9 can be lost to heat in air, which will not be made because temperature is too high to burst, by conductive strips 7 are provided with groove, increase
Contact area, with preferable overvoltage and overcurrent protection ability.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, this is not limited to
Utility model, although being described in detail to this utility model with reference to the foregoing embodiments, for those skilled in the art
For, which still can be modified to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Equivalent is carried out, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc.,
Should be included within protection domain of the present utility model.
Claims (5)
1. a kind of gas-discharge tube, including contact conductor (1) and cavity (6), it is characterised in that：Cavity (6) upper and lower ends
Porcelain tube (5) is provided with, sealing shroud (4) outside the porcelain tube (5), is provided with, the inside of the cavity (6) is provided with conductive strips (7), described
Cavity (6) left and right two ends are provided with painting overlying electrode (3), and painting overlying electrode (3) is provided with tagblock (2), the contact conductor (1)
It is connected with overlying electrode (3) is applied by tagblock (2), between the cavity (6) and painting overlying electrode (3), is provided with electron emission substrate (8),
Porcelain tube (5) both sides are provided with air vent (9).
2. a kind of gas-discharge tube according to claim 1, it is characterised in that：Indifferent gas is filled with the cavity (6)
Body, the noble gases are the mixed gas of helium and nitrogen.
3. a kind of gas-discharge tube according to claim 1, it is characterised in that：The conductive strips (7) are provided with groove.
4. a kind of gas-discharge tube according to claim 1, it is characterised in that：The conductive strips (7) set at least to four
Group.
5. a kind of gas-discharge tube according to claim 1, it is characterised in that：The air vent (9) is connected with outside air
It is logical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621006889.5U CN206059909U (en) | 2016-08-30 | 2016-08-30 | A kind of gas-discharge tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621006889.5U CN206059909U (en) | 2016-08-30 | 2016-08-30 | A kind of gas-discharge tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206059909U true CN206059909U (en) | 2017-03-29 |
Family
ID=58373406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621006889.5U Active CN206059909U (en) | 2016-08-30 | 2016-08-30 | A kind of gas-discharge tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206059909U (en) |
-
2016
- 2016-08-30 CN CN201621006889.5U patent/CN206059909U/en active Active
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