CN207705569U - Gas-discharge tube - Google Patents
Gas-discharge tube Download PDFInfo
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- CN207705569U CN207705569U CN201721649534.2U CN201721649534U CN207705569U CN 207705569 U CN207705569 U CN 207705569U CN 201721649534 U CN201721649534 U CN 201721649534U CN 207705569 U CN207705569 U CN 207705569U
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- low temperature
- isolated part
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Abstract
The utility model discloses a kind of gas-discharge tubes, including：Termination electrode, insulation tube body, discharge cavities and isolated part, the isolated part are located on the termination electrode and/or insulation tube body, and the isolated part connects the termination electrode and/or insulation tube body by low temperature seal binding, to form the discharge cavities；The isolated part is equipped with air hole, one end of the air hole connects the discharge cavities by the low temperature seal binding, the other end connection of the air hole is external, in gas discharge, the low temperature seal binding is melted when reaching preset temperature, the air hole that the discharge cavities pass through the isolated part is set to be connected to outside, to generate gas leakage open circuit.Gas-discharge tube provided by the utility model has isolated part structure, and low temperature seal binding is isolated with heat-shrinkable T bush by isolated part, is conducive to generate gas leakage open circuit when low temperature seal binding melts.
Description
Technical field
The utility model is related to overvoltage protection field more particularly to a kind of gas-discharge tubes.
Background technology
The low temperature seal binding for sealing the electric discharge inner cavity, the low temperature seal bonding can be equipped in gas-discharge tube
Object is melted in specific low temperature, makes the electric discharge inner cavity that gas leakage occur, in the concrete realization, gas-discharge tube is being subjected to
When lightning stroke or overvoltage surge, the function of release lightning current or overvoltage can be played, and be subjected to certain lasting power frequency
When electric current or excessive power current, when being warming up to the fusing low temperature seal binding because of fever, which can send out
It gives birth to gas leakage and causes to open a way, cut off subsequent current rapidly, but low temperature adhesion object is arranged in product side wall, for electrical apparatus insulation (peace
Rule require) it is required for using heat-shrinkable T bush when in use, the structure of the gas-discharge tube with heat-shrinkable T bush is shown as shown in fig. 1
Be intended to, wherein 42 indicate heat-shrinkable T bush, by figure it is found that heat-shrinkable T bush is coated on solder side, to influence gas discharge
Pipe gas leakage is opened a way.
Utility model content
The main purpose of the utility model is to provide a kind of gas-discharge tubes, it is intended to solve existing gas-discharge tube
Side wall is equipped with the technical issues of heat-shrinkable T bush is to hinder gas leakage to open a way.
To achieve the above object, the utility model provides a kind of gas-discharge tube, and the gas-discharge tube includes：End electricity
Pole, insulation tube body, discharge cavities and isolated part, the isolated part are located on the termination electrode and/or insulation tube body, institute
It states isolated part and the termination electrode and/or insulation tube body is connected by low temperature seal binding, to form the discharge cavities；
The isolated part is equipped with air hole, and one end of the air hole passes through described in low temperature seal binding connection
The other end connection of discharge cavities, the air hole is external, and in gas discharge, the low temperature seal binding is reaching default
It is melted when temperature, the air hole that the discharge cavities pass through the isolated part is made to be connected to outside, to generate gas leakage open circuit.
Preferably, the isolated part is the annulus that cross section is I types, and the inner end first end face of the annulus is described in
Low temperature seal binding connects one end of the insulation tube body, and the outer end second end face connection of the annulus is external.
Preferably, the annulus and termination electrode are located at the side of the insulation tube body；
The annulus and termination electrode connect the insulation tube body by the low temperature seal binding；
The contact surface of the annulus, termination electrode and the tube body that insulate is generally aligned in the same plane.
Preferably, the isolated part is the annulus that cross section is L-type, and the first end face of the annulus passes through elevated-temperature seal
Binding 2 connects the insulation tube body, and the second end face connection of the annulus is external, and the first end face is distinguished with second end face
Positioned at the upper and lower ends of the annulus.
Preferably, the surface area of the first end face is more than the surface area of the second end face.
Preferably, the annulus is additionally provided with third end face, and the third end face is located at the middle part of the annulus, the third
End face overlaps the termination electrode by low temperature seal binding.
Preferably, the isolated part uses metal material, ceramic metallization material, inorganic ceramic or organic material system
At.
Preferably, the gas-discharge tube includes target, and the target is connected by elevated-temperature seal binding
The insulation tube body.
Preferably, the isolated part is in the both sides for being symmetrically arranged at the termination electrode.
Preferably, the isolated part connects the termination electrode and insulation tube body by low temperature seal binding.
Gas-discharge tube provided by the utility model has isolated part structure, is glued low temperature seal by isolated part
It closes object with heat-shrinkable T bush to be isolated, is conducive to generate gas leakage open circuit when low temperature seal binding melts.
Description of the drawings
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, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the axial section for the gas-discharge tube for carrying heat-shrinkable T bush in the prior art；
Fig. 2 is the axial section of one embodiment of the utility model gas-discharge tube；
Fig. 3 is the axial section of another embodiment of the utility model gas-discharge tube；
Fig. 4 is the axial section of another embodiment of the utility model gas-discharge tube；
Fig. 5 is the axial section of another embodiment of the utility model gas-discharge tube；
Fig. 6 is the axial section of another embodiment of the utility model gas-discharge tube.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | Gas-discharge tube | 2 | Silver-copper brazing alloy |
| 200 | Gas-discharge tube | 3 | Insulate tube body |
| 300 | Gas-discharge tube | 4 | Low temperature seal binding |
| 400 | Gas-discharge tube | 5 | Discharge cavities |
| 500 | Gas-discharge tube | 6 | Isolated part |
| 600 | Gas-discharge tube | 7 | Target |
| 1 | Termination electrode |
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 implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, 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 the picture)
Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly 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, will be understood that this technical side when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection domain of the requires of the utility model.
The fusing point that high-temperature solder alleged by the utility model refers to is more than 500 DEG C of solder, and high temperature is the temperature more than 500 DEG C
Degree；Low temperature alleged by the utility model is the lower temperature for the opposite high temperature, is 500 DEG C and 500 DEG C of temperature below；This
Low temperature seal binding alleged by utility model is the sealing material for being resistant to low temperature, and the material is in the environment higher than the low temperature
Middle meeting melting deformation even liquefies, and leads to not seal；The alleged insulation tube body of the utility model is glass tube, porcelain tube or other are suitable
In the insulation tube body for the material for making gas-discharge tube；Gas-discharge tube alleged by the utility model includes diode, triode and more
Pole pipe.
With reference to Fig. 2, the axial section of 100 1 embodiment of the utility model gas-discharge tube, the gas discharge are proposed
Pipe 100 includes：Termination electrode 1, insulation tube body 3, discharge cavities 5 and isolated part 6, the isolated part 6 are located at the end electricity
On pole 1 and/or insulation tube body 3, the isolated part 6 connects the termination electrode 1/ or insulation tube by low temperature seal binding 4
Body 3, to form the discharge cavities 5；
The isolated part 6 is equipped with air hole, and one end of the air hole connects institute by the low temperature seal binding 4
Discharge cavities 5 are stated, the other end connection of the air hole is external, and in gas discharge, the low temperature seal binding 4 is reaching
It is melted when preset temperature, the discharge cavities 4 is made to be connected to outside by the air hole of the isolated part 6, to generate leakage
Gas is opened a way.Wherein, the preset temperature can be the temperature higher than 4 fusing point of low temperature seal binding.
It should be noted that the temperature requirement of the low temperature seal binding fusing point is：In actual circuit, according to circuit
Use environment and the high temperature resistance that need to protect device, set the burn-off rate of the low temperature seal binding 4.Such as：Circuit
Normal working temperature is 0~350 DEG C, certain the electronic component highest high temperature resistant that need to be protected is 370 DEG C and continues 30 seconds, then described low
It is 0~350 DEG C non-fusible that warm seal bond object 4, which needs the specific fusing requirement met, starts to melt in 350 DEG C~370 DEG C sections
Change, must be melted in 25 seconds when reaching 370 DEG C, to make the gas-discharge tube gas leakage open circuit, protects the electronic component.
The axial section of 100 1 embodiment of the utility model gas-discharge tube as shown in Figure 2, the isolated part 6
It may be provided on termination electrode 1, which can be located between termination electrode 1 and insulation tube body 3, in the concrete realization, the isolation
Component 6 can be that sectional area is L-type annulus, and the first end face of the annulus connects the insulation tube by elevated-temperature seal binding 2
The second end face connection of body 3, the annulus is external, and the first end face and second end face are located at up and down the two of the annulus
End.The surface area of the first end face is more than the surface area of the second end face.
The annulus is additionally provided with third end face and connects the termination electrode 1, the third end face by low temperature seal binding 4
Positioned at the middle part of the annulus.
In order to realize being isolated for low temperature seal binding 4 and heat-shrinkable T bush, by the annulus equipped with air hole, the annulus
The first contact surface by the elevated-temperature seal binding 2 connect it is described insulation tube body 3 one end, the outer end second of the annulus
End face connection is external, under the premise of ensureing to seal discharge cavities 5, the isolation to heat-shrinkable T bush is realized, in discharge cavities 5
Temperature when reaching specific temperature, low temperature seal binding 4 melts, to make annulus be connected to discharge cavities 5, discharge cavities
5 can form open circuit with outside, to avoid heat-shrinkable T bush from reaching low temperature seal binding 4 to the influence of low temperature seal binding 4
With being isolated for heat-shrinkable T bush.
In order to realize insulation tube body 3 and the good effect of annulus, it is L-type that annulus can be set as to cross sectional shape, i.e. annulus
The size at both ends differs, and the first end face of the annulus connects the insulation tube body 3, institute by elevated-temperature seal binding 2
The third end face for stating annulus connects the termination electrode 1 by low temperature seal binding 4, and the second end connection of the annulus is external,
The surface area of the first end face is more than the surface area of the second end face, and ensures that insulation tube body 3 and isolated part 6 are good
Leakproofness.
In the concrete realization, the annulus overlaps the termination electrode 1 by low temperature seal binding 4, to ensure end electricity
The good leakproofness of pole 1 and the annulus.
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, and the triggering band 33 divides for triggering electric discharge striking, auxiliary
Arc, when discharge cavities 5 being allowed to be discharged faster evenly.
Electric current can be arrived through upper end electrode by the tube body 3 that insulate when discharge gas is discharged by the triggering band 33
Up to lower end electrode, gas discharge is formed, so as to carry out overvoltage protection.
It should be noted that the elevated-temperature seal binding 2 can be high-temperature solder, in embodiment in termination electrode 1
One end is equipped with isolated part 6, and the other end of termination electrode 1 connects insulation tube body 3 by high-temperature solder, to realize insulation tube body 3
With the sealing of termination electrode 1, which is preferably silver-copper brazing alloy 2.
It, can by isolated part 6 in the present embodiment by being equipped with isolated part 6 between termination electrode 1 and insulation tube body 3
Under the premise of realizing to 5 good leakproofness of discharge cavities, low temperature seal binding 4 can be isolated with heat-shrinkable T bush, and
The isolated part 6 is equipped with gas-permeable channels, which is connected to outside, one end connection insulation tube body 3, to low
In the case that warm seal bond object 4 melts, discharge cavities 5 are made to be connected to extraneous air, consequently facilitating discharge cavities 5 are opened a way
Electric discharge.
With reference to Fig. 3, the axial section of 200 another embodiment of the utility model gas-discharge tube is proposed, in the present embodiment
Described in isolated part 6 both sides of the termination electrode 1 are located at along the axisymmetrical of the termination electrode 1.
In the concrete realization, the isolated part 6 be preferably annulus, and annulus be located at termination electrode 1 with insulate tube body 3 it
Between, termination electrode 1 and insulation tube body 3 are connected by low temperature seal binding 4, the inner end of the annulus connects the insulation tube body 3,
The outer end of the annulus connects extraneous air.Termination electrode 1 is connect with annulus by low temperature seal object binding 4, to make annulus
Low temperature seal binding 4 is protected, and the annulus is equipped with the interface channel with outside, the one end in channel is bonded by low temperature seal
Object 4 encapsulates, and the other end is connected to extraneous air.
In order to realize being isolated for low temperature seal binding 4 and heat-shrinkable T bush, by the annulus equipped with air hole, in annulus
One end is equipped with low temperature seal binding 4, and the other end is connected to extraneous air, under the premise of ensureing to seal discharge cavities 5,
Realize the isolation to heat-shrinkable T bush, when the temperature of discharge cavities 5 reaches specific temperature, low temperature seal binding 4 melts, from
And annulus is made to be connected to discharge cavities 5, discharge cavities 5 can form open circuit with outside, to avoid heat-shrinkable T bush to low temperature seal
The influence of binding 4 reaches being isolated for low temperature seal binding 4 and heat-shrinkable T bush.
The heat-shrinkable T bush of gas-discharge tube 300 is located at the both sides of gas-discharge tube, is opened by the air hole in annulus
Road is discharged, and is formed open circuit to not influence gas-discharge tube 300, is carried out overvoltage protection.
In order to realize insulation tube body 3 and the good effect of annulus, it is L-type that annulus can be set as to cross sectional shape, i.e. annulus
The size at both ends differs, and the first end face of the annulus connects the insulation tube body 3, institute by low temperature seal binding 4
The third end connection for stating annulus is external, and the surface area of the first end face is more than the surface area of the third end face, to ensure
Insulate tube body 3 and 6 good leakproofness of isolated part.
In this embodiment, the annulus overlaps the termination electrode 1 by low temperature seal binding 4, to ensure termination electrode 1
With the good leakproofness of the annulus.
In order to realize preferably open circuit effect, in the present embodiment, by being designed with isolated part at the both ends of termination electrode 1
6, in overvoltage protection, when the temperature in discharge cavities 5 reaches specific temperature, the low temperature seal on the isolated part 6 is viscous
It is fusible to close object 4, to make discharge cavities 5 be connected to outside, due to being equipped with isolated part 6 at the both ends of termination electrode 1, then exists
When carrying out open circuit electric discharge, it can be discharged by multiple channels, to improve the performance of 200 overvoltage protection of gas-discharge tube.
It should be noted that in the present embodiment, the isolated part 6 can be metal material or ceramic metallization material,
The ceramic metallization material, preferably molybdenum manganese layer, by the way that isolated part 6 is set as metal material or ceramic metallization material,
To the connection for being more advantageous to termination electrode 1 between the tube body 3 that insulate, it is convenient for overvoltage protection.
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, and the triggering band 33 divides for triggering electric discharge striking, auxiliary
Arc, when discharge cavities 5 being allowed to be discharged faster evenly.
Electric current can be arrived through upper end electrode by the tube body 3 that insulate when discharge gas is discharged by the triggering band 33
Up to lower end electrode, gas discharge is formed, so as to carry out overvoltage protection.
In the present embodiment, by being equipped with isolated part 6 in the both sides of both ends termination electrode 1, to improve discharge cavities 5
Discharging efficiency is carried out, carry out overvoltage protection is more advantageous to.
With reference to Fig. 4, the axial section of 400 another embodiment of the utility model gas-discharge tube, the circle are proposed
Ring and termination electrode 1 are located at the side of the insulation tube body 3, and the annulus and termination electrode 1 are bonded by the low temperature seal
Object 4 connects the insulation tube body 3；The annulus, termination electrode 1 and the contact surface of insulation tube body 3 are generally aligned in the same plane.The annulus
Sectional area can be rectangle.
In order to be more conducive to discharge cavities 5 in the case where low temperature seal binding 4 melts, it is connected to extraneous air,
In the present embodiment, the isolated part 6 connects insulation tube body 3 by low temperature seal binding 4, and termination electrode 1 is also by low
Warm seal bond object 4 connects the insulation tube body 3, the plane that the termination electrode 1, isolated part 6 are connect with the insulation tube body 3
It is in the same plane, to when low temperature seal binding 4 melts, outside that discharge cavities 5 can be connect with isolated part 6 into
Row connection is more advantageous to form open circuit electric discharge.
In the concrete realization, the isolated part 6 can be annulus, and the sectional area of the annulus can be rectangle, it is described every
Insulation tube body 3 is connected by low temperature seal binding 4 from component 6, and the annulus connected by low temperature seal binding 4 it is described
Termination electrode 1.
It is equipped with low temperature seal binding 4 in one end of annulus, the other end is connected to extraneous air, empty to electric discharge to ensure
Under the premise of chamber 5 seals, the isolation to heat-shrinkable T bush is realized, when the temperature of discharge cavities 5 reaches specific temperature, low temperature is close
It seals binding 4 to melt, to make annulus be connected to discharge cavities 5, discharge cavities 5 can form open circuit with outside, to avoid heat
Influence of the Heat-Shrinkable Tubings to low temperature seal binding 4 reaches being isolated for low temperature seal binding 4 and heat-shrinkable T bush.
It should be noted that in the present embodiment, the isolated part 6 is using metal material, ceramic metallization material, nothing
Machine ceramics or organic material be made, the preferably organic plastic cement of the organic material, by organic plastic cement carry out heat-shrinkable T bush with it is low
The isolation of warm seal bond object 4, when the temperature of discharge cavities 5 reaches specific temperature, the low temperature seal binding 4 is molten
Change, it can be achieved that being connected to extraneous air, to form open circuit, more conducively overvoltage protection.
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, and the triggering band 33 divides for triggering electric discharge striking, auxiliary
Arc, when discharge cavities 5 being allowed to be discharged faster evenly.
Electric current can be arrived through upper end electrode by the tube body 3 that insulate when discharge gas is discharged by the triggering band 33
Up to lower end electrode, gas discharge is formed, so as to carry out overvoltage protection.
In the present embodiment, it is rectangular isolated part 6 by sectional area, is low temperature insulation material in isolated part 6,
It realizes that discharge cavities 5 are opened a way with external formed, is conducive to carry out overvoltage protection.
With reference to Fig. 5, the axial section of 500 another embodiment of the utility model gas-discharge tube is proposed, in the present embodiment
Described in isolated part 6 be symmetrically arranged at the both sides of 1 axis of the termination electrode.
In order to be more conducive to discharge cavities 5 in the case where low temperature seal binding 4 melts, it is connected to extraneous air,
In the present embodiment, the isolated part 6 connects insulation tube body 3 by low temperature seal binding 4, and termination electrode 1 is also by low
Warm seal bond object 4 connects the insulation tube body 3, and the termination electrode 1, isolated part 6 and 3 contact surface of insulation tube body are located at
On same plane, to which when low temperature seal binding 4 melts, the outside that discharge cavities 5 can be connect with isolated part 6 is connected
It is logical, it is more advantageous to form open circuit electric discharge.
In the concrete realization, the isolated part 6 can be annulus, and the sectional area of the annulus can be rectangle, it is described every
Insulation tube body 3 and the isolated part are connected from the both sides that component 6 is located at the cover board, and by low temperature seal binding 4
6。
It is equipped with low temperature seal binding 4 in one end of annulus, the other end is connected to extraneous air, empty to electric discharge to ensure
Under the premise of chamber 5 seals, the isolation to heat-shrinkable T bush is realized, when the temperature of discharge cavities 5 reaches specific temperature, low temperature is close
It seals binding 4 to melt, to make annulus be connected to discharge cavities 5, discharge cavities 5 can form open circuit with outside, to avoid heat
Influence of the Heat-Shrinkable Tubings to low temperature seal binding 4 reaches being isolated for low temperature seal binding 4 and heat-shrinkable T bush.
In order to realize preferably open circuit effect, in the present embodiment, by being designed with isolated part at the both ends of termination electrode 1
6, in overvoltage protection, when the temperature in discharge cavities 5 reaches specific temperature, the low temperature seal on the isolated part 6 is viscous
It is fusible to close object 4, to make discharge cavities 5 be connected to outside, due to being equipped with isolated part 6 at the both ends of termination electrode 1, then exists
When carrying out open circuit electric discharge, it can be discharged by multiple channels, to improve the performance of 500 overvoltage protection of gas-discharge tube.
It should be noted that in the present embodiment, isolated part 6 described in the isolated part 6 is using metal material, ceramics
Metallization material, inorganic ceramic or organic material are made, and the preferably organic plastic cement of the organic material is carried out by organic plastic cement
Heat-shrinkable T bush is isolated with low temperature seal binding 4, and when the temperature of discharge cavities 5 reaches specific temperature, the low temperature is close
The fusing of envelope binding 4 with extraneous air, it can be achieved that be connected to, to form open circuit, more conducively overvoltage protection.
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, and the triggering band 33 divides for triggering electric discharge striking, auxiliary
Arc, when discharge cavities 5 being allowed to be discharged faster evenly.
Electric current can be arrived through upper end electrode by the tube body 3 that insulate when discharge gas is discharged by the triggering band 33
Up to lower end electrode, gas discharge is formed, so as to carry out overvoltage protection.
In the present embodiment, by being equipped with isolated part 6 in the both sides of each termination electrode 1, to improve discharge cavities 5
Discharging efficiency is carried out, carry out overvoltage protection is more advantageous to.
With reference to Fig. 6, the axial section of 600 another embodiment of the utility model gas-discharge tube is proposed, in the present embodiment
Described in gas-discharge tube 600 include target 7, the target 7 connects the insulation by elevated-temperature seal binding 2
Tube body 3.
It should be noted that the target 7 can be bonded by elevated-temperature seal connects the insulation tube body 3.In this reality
Apply that the isolated part 6 in example can be annulus that section is L-type or section is rectangular annulus, in two 1 liang of termination electrodes
The annulus of side is L-type annulus, is rectangular annulus, and target in the sectional area of the annulus of the both sides of target 7
It is equipped with tomography, discharge cavities 5 are divided to and put electron cavity for two, by tomography, two sub- cavitys can be connected to, to
In the case of solving setting target 7, two sub- cavitys are connected.The isolated part 6 is bonded by low temperature seal
Object 4 connects the termination electrode 1 and insulation tube body 3.
In the concrete realization, the both ends of the annulus connect insulation tube body 3, the annulus by low temperature seal binding 4
A part insulation tube body 3 is connected by low temperature seal binding 4, the another part at both ends is connected to external, to pass through circle
Ring is isolated by low temperature seal binding 4 with heat-shrinkable T bush.
In order to realize that the effect of gas discharge tube open circuit, the both ends of the annulus all stretch out part connection extraneous air,
Thus when discharge cavities 5 reach specific temperature, it is described positioned at 1 both ends of termination electrode and close positioned at the low temperature of target 7
It is fusible to seal binding 4, to make discharge cavities 5 be connected to extraneous air, is conducive to discharge cavities 5 and discharges.
It should be noted that in the present embodiment, the isolated part 6 is using metal material, ceramic metallization material, nothing
Machine ceramics or organic material are made, by annulus being isolated to heat-shrinkable T bush and low temperature seal binding 4, in discharge cavities 5
Temperature when reaching specific temperature, the fusing of low temperature seal binding 4, it can be achieved that be connected to extraneous air, to
Form open circuit, more conducively overvoltage protection.
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, and the triggering band 33 divides for triggering electric discharge striking, auxiliary
Arc, when discharge cavities 5 being allowed to be discharged faster evenly.
Electric current can be arrived through upper end electrode by the tube body 3 that insulate when discharge gas is discharged by the triggering band 33
Up to lower end electrode, gas discharge is formed, so as to carry out overvoltage protection.
In the present embodiment, by being located under the structure situation of target, in the fusing of low temperature seal binding
In the case of, it is connected to extraneous air, is more advantageous to discharge cavities and discharges, to improve the overvoltage of gas-discharge tube
Protection.
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 applied directly or indirectly 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 the gas-discharge tube includes：Termination electrode, insulation tube body, discharge cavities with
And isolated part, the isolated part are located on the termination electrode and/or insulation tube body, the isolated part passes through low temperature seal
Binding connects the termination electrode and/or insulation tube body, to form the discharge cavities；
The isolated part is equipped with air hole, and one end of the air hole connects the electric discharge by the low temperature seal binding
The other end connection of cavity, the air hole is external, and in gas discharge, the low temperature seal binding is reaching preset temperature
When melt, so that the discharge cavities is passed through the air hole of the isolated part and be connected to outside, opened a way to generate gas leakage.
2. gas-discharge tube as described in claim 1, which is characterized in that the isolated part is the annulus that cross section is I types,
The inner end first end face of the annulus connects one end of the insulation tube body by the low temperature seal binding, the annulus
Outer end second end face connection is external.
3. gas-discharge tube as claimed in claim 2, which is characterized in that the annulus and termination electrode are located at the insulation tube
The side of body；
The annulus and termination electrode connect the insulation tube body by the low temperature seal binding；
The contact surface of the annulus, termination electrode and the tube body that insulate is generally aligned in the same plane.
4. gas-discharge tube as described in claim 1, which is characterized in that the isolated part is the annulus that cross section is L-type,
The first end face of the annulus connects the insulation tube body by elevated-temperature seal binding, and the second end face connection of the annulus is outer
Portion, the first end face are located at the upper and lower ends of the annulus with second end face.
5. gas-discharge tube as claimed in claim 4, which is characterized in that the surface area of the first end face is more than described second
The surface area of end face.
6. gas-discharge tube as claimed in claim 4, which is characterized in that the annulus is additionally provided with third end face, the third
End face is located at the middle part of the annulus, and the third end face overlaps the termination electrode by low temperature seal binding.
7. such as gas-discharge tube according to any one of claims 1 to 6, which is characterized in that the isolated part uses metal
Material, ceramic metallization material, inorganic ceramic or organic material are made.
8. such as gas-discharge tube according to any one of claims 1 to 6, which is characterized in that during the gas-discharge tube includes
Between electrode, the target passes through elevated-temperature seal binding and connects the insulation tube body.
9. such as gas-discharge tube according to any one of claims 1 to 6, which is characterized in that the isolated part is in symmetrically to set
In the both sides of the termination electrode.
10. gas-discharge tube as claimed in claim 9, which is characterized in that the isolated part passes through low temperature seal binding
Connect the termination electrode and insulation tube body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721649534.2U CN207705569U (en) | 2017-11-30 | 2017-11-30 | Gas-discharge tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721649534.2U CN207705569U (en) | 2017-11-30 | 2017-11-30 | Gas-discharge tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207705569U true CN207705569U (en) | 2018-08-07 |
Family
ID=63024569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721649534.2U Active CN207705569U (en) | 2017-11-30 | 2017-11-30 | Gas-discharge tube |
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| Country | Link |
|---|---|
| CN (1) | CN207705569U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023040222A1 (en) * | 2021-09-14 | 2023-03-23 | 深圳市瑞隆源电子有限公司 | Overvoltage protection apparatus, and gas discharge tube and preparation method therefor |
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2017
- 2017-11-30 CN CN201721649534.2U patent/CN207705569U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023040222A1 (en) * | 2021-09-14 | 2023-03-23 | 深圳市瑞隆源电子有限公司 | Overvoltage protection apparatus, and gas discharge tube and preparation method therefor |
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Effective date of registration: 20191111 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. |