CN207149878U - A kind of gas-discharge tube with cutting function - Google Patents
A kind of gas-discharge tube with cutting function Download PDFInfo
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- CN207149878U CN207149878U CN201721099118.XU CN201721099118U CN207149878U CN 207149878 U CN207149878 U CN 207149878U CN 201721099118 U CN201721099118 U CN 201721099118U CN 207149878 U CN207149878 U CN 207149878U
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- triode
- gas
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- discharge tube
- low temperature
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Abstract
A kind of gas-discharge tube with cutting function, it includes：Triode, low temperature fusible piece and metallic conduction piece；The first cavity and the second cavity of two connections are formed in foregoing triode；Body direction of the low temperature fusible piece along triode is arranged on the upper surface of triode, is fixed by welding in the middle part of triode；The metallic conduction piece is attached to the upper surface of low temperature fusible piece, and its middle part is welded with target.Gas-discharge tube of the present utility model is being subjected to thunderbolt or during overvoltage, and gas communication can release thunder-strike current or overvoltage, polar curve road or equipment after protection.
Description
Technical field
The utility model belongs to gas-discharge tube production field, and in particular to a kind of gas for possessing self cutting function is put
Fulgurite.
Background technology
Gas-discharge tube as over-voltage and over-current protective device, be widely used in traffic signal system, computer data system,
In the equipment such as router, domestic TV set top box, ensure the safe operation of electronic instrument, so as not to these equipment be struck by lightning or
Other overvoltages, excessively stream break down when impacting.
At present, gas-discharge tube uses；Two or more electrodes and the closed sealing-in of ceramics, internal filling with inert gas, when adding
When voltage to gas-discharge tube both ends reaches breakdown voltage, internal gas starts to discharge, and right high-impedance state becomes discharge tube rapidly
Low resistance state, gas-discharge tube conducting, is protected the equipment in parallel with gas-discharge tube both ends；But in big electricity for a long time
During the gas-discharge tube conducting that stream flows through, gas-discharge tube can be heating up, and too high temperature can burst gas-discharge tube, will
Late-class circuit defencive function is caused to lose.
Utility model content
The purpose of this utility model is the protection problem for gas-discharge tube, proposes that one kind can the effective protective wire of overvoltage
Road, and can quick blow-out after the heating of long-time excessively stream, protects the gas-discharge tube with cutting function of late-class circuit.
The technical solution of the utility model is：
The utility model provides a kind of gas-discharge tube with cutting function, and it includes：Triode, low temperature fusible piece and
Metallic conduction piece；The first side electrode that described triode includes being arranged in order, the first high-temperature solder layer, the first earthenware, the
Two high-temperature solder layers, target, third high temperature solder layer, the second earthenware, the 4th high-temperature solder layer and the second side electrode, it is preceding
State the first cavity and the second cavity that two connections are formed in triode；Body direction of the low temperature fusible piece along triode is set
Put the middle part in the upper surface of triode, being fixed by welding in triode；The metallic conduction piece is attached to low temperature fusible piece
Upper surface, its middle part with target weld.
Further, the length of low temperature fusible piece is more than the length of triode；Described metallic conduction leaf length and three poles
The length of pipe is consistent, and the width of metallic conduction piece is less than the width of low temperature fusible piece.
Further, described first in electrode and second electrode there is one respectively to the first cavity and corresponding the
The projection of extension in two cavitys, there is a projection extended into the first cavity and the second cavity the both sides of target, preceding
State the first cavity and the second cavity be symmetrical, first in electrode and second lug boss of the bossing of electrode and target
It is 0.4mm-0.6mm to divide distance.
Further, described low temperature fusible piece is polyester plastics piece.
Further, described triode entire length is 7.6mm, width 5mm, is highly 5mm.
Further, the length and width dimensions of described low temperature fusible piece are respectively：7.8mm and 5mm；Thickness is 0.1mm.
Further, described metallic conduction piece uses stainless steel conducting strip, and its length and width dimensions is respectively 7.6mm and 2mm；
Thickness is 0.2mm.
The beneficial effects of the utility model：
Gas-discharge tube of the present utility model is being subjected to thunderbolt or during overvoltage, and gas communication can release thunder-strike current or mistake
Voltage, polar curve road or equipment after protection；Simultaneously after the follow current through certain time, body is heating up to cause the low of surface
Warm fuse sheet, which shrinks, to be melted, and because isolation fuse sheet disappears side electrode is contacted with metallic conduction piece, metallic conduction
Polar curve road after piece short circuit gas discharge pipe electrode, effectively protection.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
The utility model illustrative embodiments are described in more detail in conjunction with the accompanying drawings, it is of the present utility model on
State and other purposes, feature and advantage will be apparent, wherein, in the utility model illustrative embodiments, phase
Same reference number typically represents same parts.
Fig. 1 is the axial section for the gas-discharge tube that the utility model carries cutting function.
Fig. 2 is the explosive view of triode in the utility model.
In figure：1st, the first side electrode；2nd, the first high-temperature solder layer；3rd, the first earthenware；4th, the second high-temperature solder layer；5th, in
Between electrode；6th, third high temperature solder layer；7th, the second earthenware；8th, the 4th high-temperature solder layer；9th, the second side electrode；10th, the first chamber
Body；11st, the second cavity；12nd, low temperature fusible piece；13rd, metallic conduction piece.
Embodiment
Preferred embodiment of the present utility model is more fully described below with reference to accompanying drawings.Although this is shown in accompanying drawing
The preferred embodiment of utility model, however, it is to be appreciated that may be realized in various forms the utility model without should be by here
The embodiment of elaboration is limited.
A kind of gas-discharge tube with cutting function, it includes：Triode, low temperature fusible piece 12 and metallic conduction piece
13；Described triode includes the first side electrode 1, the first high-temperature solder layer 2, the first earthenware 3, the second high temperature being arranged in order
Solder layer 4, target 5, third high temperature solder layer 6, the second earthenware 7, the 4th high-temperature solder layer 8 and the second side electrode 9, it is preceding
State the first cavity 10 and the second cavity 11 that two connections are formed in triode；Body of the low temperature fusible piece 12 along triode
Direction is arranged on the upper surface of triode, is fixed by welding in the middle part of triode；The metallic conduction piece 13 is attached to low
The upper surface of warm fuse sheet 12, its middle part are welded with target 5.
During specific implementation：
As shown in Fig. 2 being the explosive view of triode of the present utility model, in the utility model, institute is referred to using high-temperature solder
Fusing point is more than 799 DEG C, and triode is by the first side electrode 1, the first high-temperature solder layer 2, the first earthenware 3, the second high-temperature solder layer
4th, target 5, third high temperature solder layer 6, the second earthenware 7, the 4th high-temperature solder layer 8 and the second side electrode 9 are arranged in order
It is superimposed by high-temperature solder adhesive seal 2 cavity gas connections of formation, two cavitys are symmetrical, side electrode projecting surface
To cavity inner face, and target projection spacing 0.4mm-0.6mm, then along the outer surface in cavity direction, in centre
Low temperature fusible piece 12, metallic conduction piece 13 are welded successively on one point of electrode 5.It is closed in cavity 10,11 in overvoltage
Discharged after inert gas is breakdown, make the voltage of electrode tip in reduced levels, about 30V, so as to after protecting pole with discharge tube simultaneously
The circuit of connection；Simultaneously after the follow current through certain time, body it is heating up to 200 DEG C when, electrode surge arrester surface
Low temperature fusible piece 12, which shrinks, to be melted so that side electrode contacts with metallic conduction piece, so as to metallic conduction piece short circuit
Target 5 and side electrode 1,9, gas-discharge tube blow-out, while it is effectively protected the rear class for being connected in parallel on gas-discharge tube both ends
Circuit.
It is described above each embodiment of the present utility model, described above is exemplary, and non-exclusive, and
And it is also not necessarily limited to disclosed each embodiment.In the case of without departing from the scope and spirit of illustrated each embodiment, for
Many modifications and changes will be apparent from for those skilled in the art.
Claims (7)
1. a kind of gas-discharge tube with cutting function, it is characterised in that it includes：Triode, low temperature fusible piece (12) and gold
Belong to conducting strip (13)；Described triode includes the first side electrode (1), the first high-temperature solder layer (2), the first pottery being arranged in order
It is porcelain tube (3), the second high-temperature solder layer (4), target (5), third high temperature solder layer (6), the second earthenware (7), the 4th high
Warm solder layer (8) and the second side electrode (9), interior the first cavitys (10) and the second cavity for forming two connections of foregoing triode
(11)；Body direction of the low temperature fusible piece (12) along triode is arranged on the upper surface of triode, is fixed by welding in
The middle part of triode；The metallic conduction piece (13) is attached to the upper surface of low temperature fusible piece (12), its middle part and target
(5) weld.
2. the gas-discharge tube according to claim 1 with cutting function, it is characterised in that described low temperature fusible piece
(12) length is more than the length of triode；Described metallic conduction piece (13) length is consistent with the length of triode, and metal is led
The width of electric piece (13) is less than the width of low temperature fusible piece (12).
3. the gas-discharge tube of cutting function is carried according to claim 1, it is characterised in that：The first described side electrode
(1) and the second side electrode (9) has the projection of an extension into the first cavity (10) and corresponding second cavity (11) respectively,
There are the projection of an extension into the first cavity (10) and the second cavity (11), foregoing first chamber in the both sides of target (5)
Body (10) and the second cavity (11) are symmetrical, first in electrode (1) and second electrode (9) bossing and target
(5) bossing distance is 0.4mm-0.6mm.
4. the gas-discharge tube of cutting function is carried according to claim 1, it is characterised in that：Described low temperature fusible piece
(12) it is polyester plastics piece.
5. the gas-discharge tube of cutting function is carried according to claim 1, it is characterised in that：Described triode is integrally grown
Spend for 7.6mm, width 5mm, be highly 5mm.
6. the gas-discharge tube of cutting function is carried according to claim 1, it is characterised in that：Described low temperature fusible piece
(12) length and width dimensions are respectively：7.8mm and 5mm；Thickness is 0.1mm.
7. the gas-discharge tube of cutting function is carried according to claim 1, it is characterised in that：Described metallic conduction piece
(13) stainless steel conducting strip is used, its length and width dimensions is respectively 7.6mm and 2mm；Thickness is 0.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721099118.XU CN207149878U (en) | 2017-08-30 | 2017-08-30 | A kind of gas-discharge tube with cutting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721099118.XU CN207149878U (en) | 2017-08-30 | 2017-08-30 | A kind of gas-discharge tube with cutting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207149878U true CN207149878U (en) | 2018-03-27 |
Family
ID=61669178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721099118.XU Active CN207149878U (en) | 2017-08-30 | 2017-08-30 | A kind of gas-discharge tube with cutting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207149878U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799374A (en) * | 2017-10-24 | 2018-03-13 | 江苏东光电子有限公司 | A kind of gas-discharge tube with cutting function, preparation method and charging method |
-
2017
- 2017-08-30 CN CN201721099118.XU patent/CN207149878U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799374A (en) * | 2017-10-24 | 2018-03-13 | 江苏东光电子有限公司 | A kind of gas-discharge tube with cutting function, preparation method and charging method |
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