CN211062688U - Gas discharge tube - Google Patents
Gas discharge tube Download PDFInfo
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- CN211062688U CN211062688U CN201921337160.XU CN201921337160U CN211062688U CN 211062688 U CN211062688 U CN 211062688U CN 201921337160 U CN201921337160 U CN 201921337160U CN 211062688 U CN211062688 U CN 211062688U
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- electrode
- gas discharge
- discharge tube
- projection
- conductive material
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Abstract
The utility model discloses a gas discharge tube, which comprises an electrode A which is made of conductive material and is in a hollow shell shape, a sealing sheet which is made of non-conductive material is connected on the electrode A, the sealing sheet is connected on the electrode A in a sealing way, and a sealed space is formed between the electrode A and the sealing sheet, one or more of neon, argon, hydrogen, nitrogen, krypton, xenon and helium are filled in the sealed space, at least one electrode B made of conductive materials is arranged on the sealing sheet, the electrode B comprises a connecting part and a protruding part, the connecting part is hermetically connected on the sealing sheet, the protruding part is positioned in the sealed space, a gap is formed between the outer side surface of the protruding part and the inner side of the electrode A, the top surface of the convex part and the bottom surface of the electrode A are coated with cathode emission materials respectively, or the top surface of the convex part and the bottom surface of the electrode A are coated with anode emission materials respectively; the high-voltage explosion-proof device has the advantages of capability of passing large current, firm structure, stronger air tightness and good explosion performance.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an overvoltage protection product field specifically is a gas discharge tube.
[ background of the invention ]
A gas discharge tube is a switching type protection device, and is generally used as an overvoltage protection device. When the voltage at two ends of the electrode of the gas discharge tube exceeds the breakdown voltage of gas, gap discharge is caused, the gas discharge tube is rapidly changed from a high-resistance state to a low-resistance state to form conduction, and therefore other devices connected with the gas discharge tube in parallel are protected. The existing gas discharge tube is formed by an insulating tube body and electrodes sealed at two ends of the insulating tube body, and an inner cavity is filled with inert gas; the gas discharge tube adopting the structure can bear low current under the condition of the same volume, and is difficult to meet the requirements of certain harsh environments.
The utility model discloses it is not enough to solve prior art and research and propose promptly.
[ Utility model ] content
The to-be-solved technical problem of the utility model is to provide a gas discharge tube, have can be through heavy current, the structure firm, the gas tightness is stronger, the advantage that the explosion performance is good.
In order to solve the technical problem, the utility model discloses a gas discharge tube, including the electrode A who adopts conducting material to make and be the hollow shell form, electrode A on be connected with the gasket that adopts non-conducting material to make, gasket sealing connection on electrode A, and form airtight space between electrode A and the gasket, airtight space intussuseption be filled with one or several kinds among neon, argon, hydrogen, nitrogen, krypton, xenon, helium, the gasket on be equipped with at least one electrode B who adopts conducting material to make, electrode B contain connecting portion and bulge, connecting portion sealing connection on the gasket, the bulge be located airtight space and have the clearance between the lateral surface of bulge and the inboard of electrode A, the top surface of bulge and electrode A's bottom surface coat respectively has the cathode emission material, or the top surface of the projection and the bottom surface of the electrode a are coated with an anode emission material, respectively.
In the gas discharge tube described above, the distance between the top surface of the projection and the bottom surface of the electrode A is L, wherein L satisfies 0.1mm < L < 100 mm.
In the gas discharge tube, the top surface of the protrusion is provided with a plurality of grooves a, and the bottom surface of the electrode a is provided with a plurality of grooves B.
In the gas discharge tube, the sealing sheet is provided with two electrodes B made of conductive material.
In the gas discharge tube, the spacers for partitioning the sealed space into a plurality of sub-sealed spaces are arranged between the electrode a and the sealing sheet, the number of the sub-sealed spaces is the same as that of the electrodes B, and each sub-sealed space is provided with one electrode B.
In the gas discharge tube described above, the electrode a has a hollow cylindrical shape, and the protruding portion has a disk shape or a circular truncated cone shape having a large upper end and a small lower end.
In a gas discharge tube as described above, the small end of the projection is connected to the connecting portion.
In the gas discharge tube, the electrode a is hollow and square, the protruding portion is quadrangular frustum or trapezoidal, and the small end of the protruding portion is connected to the connecting portion.
The gas discharge tube as described above, wherein said electrode a has a hollow hemispherical shape and said projection has a hemispherical shape.
The utility model also provides a gas discharge tube, which comprises an electrode A which is made of conductive material and is in a hollow shell shape, the electrode A is connected with a packaging sheet made of conductive material, the packaging sheet is hermetically connected on the electrode A, and a closed space is formed between the electrode A and the packaging sheet, one or more of neon, argon, hydrogen, nitrogen, krypton, xenon and helium are filled in the closed space, the packaging sheet is provided with at least one electrode B made of conductive material, the electrode B comprises a connecting part and a convex part, the connecting part is hermetically and insulatively connected to the packaging sheet, an adhesive part made of non-conductive material is arranged between the connecting part and the packaging sheet, the top surface of the protruding part and the bottom surface of the electrode A are coated with a cathode emission material, respectively, or the top surface of the protruding part and the bottom surface of the electrode A are coated with an anode emission material, respectively.
Compared with the prior art, the utility model has the advantages of as follows:
1. the utility model discloses an electrode A who adopts conducting material to make and be the hollow shell form to set up the gasket that adopts non-conducting material to make at electrode A, set up electrode B on the gasket, wherein electrode B contains connecting portion and bulge, and the bulge is located and has the clearance between the inner wall that lies in airtight space and electrode A, adopts above-mentioned structure, under the condition of the same volume, can increase the bulge and the relative area of electrode A inner wall, can improve the circular telegram electric current;
2. in the process of simultaneous installation, the outer ring of the electrode A is directly welded on the circuit board, so that the installation and the passing of large current are facilitated;
3. adopt the utility model discloses a structure, the structure is firm, and the gas tightness is stronger, and explosion-proof performance is good.
[ description of the drawings ]
The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a perspective sectional view of embodiment 1;
FIG. 3 is a full sectional view of embodiment 1;
FIG. 4 is a schematic structural view of embodiment 2;
FIG. 5 is a perspective sectional view of embodiment 2;
FIG. 6 is a schematic structural view of embodiment 3;
FIG. 7 is a perspective sectional view of embodiment 3;
FIG. 8 is a perspective sectional view of embodiment 4;
FIG. 9 is a schematic structural view of example 5;
FIG. 10 is a perspective sectional view of embodiment 5;
FIG. 11 is a schematic structural view of example 6;
FIG. 12 is a perspective sectional view of embodiment 6;
FIG. 13 is a schematic structural view of example 7;
fig. 14 is a perspective sectional view of embodiment 7.
[ detailed description ] embodiments
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 14, there are 7 specific embodiments in this specification, each of which will now be described.
Example 1:
as shown in fig. 1, 2 and 3, the gas discharge tube of the present embodiment includes an electrode a1 made of a conductive material and having a hollow shell shape, and more specifically, an electrode a1 having a hollow cylindrical shape; the electrode A1 is connected with a sealing sheet 2 made of a non-conducting material, the sealing sheet 2 is connected to an electrode A1 in a sealing mode, a sealing space 1000 is formed between the electrode A1 and the sealing sheet 2, one or more of neon, argon, hydrogen, nitrogen, krypton, xenon and helium are filled in the sealing space 1000, the gas filled in the sealing space 1000 is combined in multiple modes, the number of the gas filled in the sealing space 1000 is not enumerated one by one, at least one electrode B3 made of a conducting material is arranged on the sealing sheet 2, the electrode B3 comprises a connecting portion 31 and a protruding portion 32, the protruding portion 32 is in a circular sheet shape, the connecting portion 31 is connected to the sealing sheet 2 in a sealing mode, the protruding portion 32 is located in the sealing space 1000, and a gap exists between the outer side face of the protruding portion 32 and the inner wall of the electrode A1; the top surface 301 of the projection 32 and the bottom surface 101 of the electrode a1 are coated with a cathode emission material, respectively, or the top surface 301 of the projection 32 and the bottom surface 101 of the electrode a1 are coated with an anode emission material, respectively, which are also commonly used in the art. The utility model discloses an electrode A who adopts conducting material to make and be the hollow shell form to set up the gasket that adopts non-conducting material to make at electrode A, set up electrode B on the gasket, wherein electrode B contains connecting portion and bulge, and the bulge is located and has the clearance between the inner wall that lies in airtight space and electrode A, adopts above-mentioned structure, under the condition of the same volume, can increase the bulge and the relative area of electrode A inner wall, can improve the circular telegram electric current; meanwhile, during installation, the outer ring of the electrode A is directly welded on the circuit board, so that the installation and the passing of large current are facilitated; and adopt this kind of structure, the structure is firm, and the gas tightness is stronger, and explosion-proof performance is good.
In the present embodiment, the distance between the top surface 301 of the projection 32 and the bottom surface 101 of the electrode A1 is L, wherein L satisfies 0.1mm ≦ L ≦ 100 mm.
In order to increase the contact area between the cathode emission material on the top surface 301 of the protruding portion 32 or the cathode emission material and the gas in the sealed space 1000, a plurality of grooves a3011 are formed on the top surface 301 of the protruding portion 32, and the efficiency of ionizing the gas in the sealed space 1000 can be improved by adopting the structure; in order to increase the contact area between the cathode emitting material on the bottom surface 101 of the electrode a1 or between the cathode emitting material and the gas in the sealed space 1000, a plurality of grooves B1011 are formed on the bottom surface 101 of the electrode a1, and this structure can increase the efficiency of ionizing the gas in the sealed space 1000.
Example 2:
as shown in fig. 4 and 5, embodiment 2 is different from embodiment 1 in that: in embodiment 1, the protruding portion of the electrode B is in the shape of a disk, but in this embodiment, the protruding portion 32 is in the shape of a truncated cone with a large upper end and a small lower end, and the small end of the protruding portion 32 is connected to the connecting portion 31.
Example 3:
as shown in fig. 6 and 7, embodiment 3 differs from embodiment 2 in that: while the sealing plate 2 is provided with one electrode B made of a conductive material in embodiment 2, the sealing plate 2 is provided with two electrodes B3 made of a conductive material in this embodiment. With the above configuration, the energization current can be further increased.
Example 4:
as shown in fig. 8, embodiment 4 differs from embodiment 3 in that: embodiment 4 in addition to embodiment 3, spacers 4 for dividing the sealed space 1000 into two sub-sealed spaces 1001 are provided between the electrode a1 and the sealing sheet 2, the number of the sub-sealed spaces 1001 is the same as that of the electrodes B3, and each sub-sealed space 1001 is provided with one electrode B3. Similarly, the sealed space 1000 may be divided into three or more sub-sealed spaces by spacers, and one electrode B3 may be provided in each sub-sealed space 1001.
Example 5:
as shown in fig. 9 and 10, embodiment 5 is different from embodiment 1 in that: in example 1, the electrode a1 has a hollow cylindrical shape and the protruding portion of the electrode B has a disk shape, whereas in this example, the electrode a1 has a hollow square shape, the protruding portion 32 has a quadrangular frustum shape or a trapezoidal shape, and the small end of the protruding portion 32 is connected to the connecting portion 31.
Example 6:
as shown in fig. 11 and 12, embodiment 6 differs from embodiment 1 in that: in example 1, the electrode a1 has a hollow cylindrical shape and the protrusion of the electrode B has a disk shape, whereas in this example, the electrode a1 has a hollow hemispherical shape and the protrusion 32 has a hemispherical shape.
Example 7:
as shown in fig. 13 and 14, the gas discharge tube of this embodiment includes an electrode a1 made of a conductive material and having a hollow shell shape, a sealing sheet 5 made of a conductive material is connected to the electrode a1, the sealing sheet 5 is hermetically connected to the electrode a1, a sealed space 1000 is formed between the electrode a1 and the sealing sheet 5, one or more of neon, argon, hydrogen, nitrogen, krypton, xenon, and helium is filled in the sealed space 1000, at least one electrode B3 made of a conductive material is disposed on the sealing sheet 5, the electrode B3 includes a connecting portion 31 and a protruding portion 32, the connecting portion 31 is hermetically and insulatively connected to the sealing sheet 5, an adhesive member 6 made of a non-conductive material is disposed between the connecting portion 31 and the sealing sheet 5, a top surface 301 of the protruding portion 32 and a bottom surface 101 of the electrode a1 are respectively coated with a cathode emission material, or the top surface 301 of the projection 32 and the bottom surface 101 of the electrode a1 are coated with an anode emitting material, respectively.
The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.
Claims (10)
1. A gas discharge tube comprises an electrode A (1) which is made of a conductive material and is in a hollow shell shape, wherein a sealing sheet (2) made of a non-conductive material is connected to the electrode A (1), the sealing sheet (2) is connected to the electrode A (1) in a sealing mode, a sealed space (1000) is formed between the electrode A (1) and the sealing sheet (2), neon gas or argon gas is filled in the sealed space (1000), the gas discharge tube is characterized in that at least one electrode B (3) made of the conductive material is arranged on the sealing sheet (2), the electrode B (3) comprises a connecting portion (31) and a protruding portion (32), the connecting portion (31) is connected to the sealing sheet (2) in a sealing mode, the protruding portion (32) is located in the sealed space (1000) and a gap exists between the outer side face of the protruding portion (32) and the inner wall of the electrode A (1), the top surface (301) of the projection (32) and the bottom surface (101) of the electrode A (1) are coated with a cathode emission material, respectively, or the top surface (301) of the projection (32) and the bottom surface (101) of the electrode A (1) are coated with an anode emission material, respectively.
2. A gas discharge tube as claimed in claim 1, characterized in that the distance between the top face (301) of the projection (32) and the bottom face (101) of the electrode A (1) is L, where L satisfies 0.1mm ≦ L ≦ 100 mm.
3. A gas discharge tube as claimed in claim 1, wherein the top surface (301) of the projection (32) is provided with a plurality of recesses a (3011) and the bottom surface (101) of the electrode a (1) is provided with a plurality of recesses B (1011).
4. A gas discharge vessel as claimed in claim 1, characterized in that the sealing plate (2) is provided with two electrodes B (3) of electrically conductive material.
5. A gas discharge tube according to claim 1, wherein a spacer (4) is provided between the electrode a (1) and the sealing sheet (2) to divide the sealed space (1000) into a plurality of sub-sealed spaces (1001), the number of the sub-sealed spaces (1001) is equal to the number of the electrodes B (3), and each sub-sealed space (1001) is provided with one electrode B (3).
6. A gas discharge tube as claimed in claim 1, wherein the electrode a (1) has a hollow cylindrical shape, the projection (32) has a disk shape or the projection (32) has a circular truncated cone shape with a large upper end and a small lower end.
7. A gas discharge tube as claimed in claim 6, wherein the small end of the projection (32) is connected to the connecting portion (31).
8. A gas discharge tube as claimed in claim 1, wherein the electrode a (1) has a hollow square shape, the projection (32) has a quadrangular frustum shape or a trapezoidal shape, and the small end of the projection (32) is connected to the connecting portion (31).
9. A gas discharge tube as claimed in claim 1, wherein the electrode a (1) has a hollow hemispherical shape and the projection (32) has a hemispherical shape.
10. A gas discharge tube is characterized by comprising an electrode A (1) which is made of a conductive material and is in a hollow shell shape, wherein a packaging sheet (5) made of the conductive material is connected onto the electrode A (1), the packaging sheet (5) is connected onto the electrode A (1) in a sealing mode, a sealed space (1000) is formed between the electrode A (1) and the packaging sheet (5), neon or argon is filled in the sealed space (1000), at least one electrode B (3) made of the conductive material is arranged on the packaging sheet (5), the electrode B (3) comprises a connecting part (31) and a protruding part (32), the connecting part (31) is connected onto the packaging sheet (5) in a sealing mode and in an insulating mode, a bonding piece (6) made of a non-conductive material is arranged between the connecting part (31) and the packaging sheet (5), the top surface (301) of the projection (32) and the bottom surface (101) of the electrode A (1) are coated with a cathode emission material, respectively, or the top surface (301) of the projection (32) and the bottom surface (101) of the electrode A (1) are coated with an anode emission material, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921337160.XU CN211062688U (en) | 2019-08-14 | 2019-08-14 | Gas discharge tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921337160.XU CN211062688U (en) | 2019-08-14 | 2019-08-14 | Gas discharge tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211062688U true CN211062688U (en) | 2020-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921337160.XU Expired - Fee Related CN211062688U (en) | 2019-08-14 | 2019-08-14 | Gas discharge tube |
Country Status (1)
| Country | Link |
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| CN (1) | CN211062688U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110534401A (en) * | 2019-08-14 | 2019-12-03 | 深圳市亚尔讯科技有限公司 | A kind of gas-discharge tube |
-
2019
- 2019-08-14 CN CN201921337160.XU patent/CN211062688U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110534401A (en) * | 2019-08-14 | 2019-12-03 | 深圳市亚尔讯科技有限公司 | A kind of gas-discharge tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200721 Termination date: 20210814 |