CN105957788B - Composite gas discharge tube - Google Patents
Composite gas discharge tube Download PDFInfo
- Publication number
- CN105957788B CN105957788B CN201610395309.4A CN201610395309A CN105957788B CN 105957788 B CN105957788 B CN 105957788B CN 201610395309 A CN201610395309 A CN 201610395309A CN 105957788 B CN105957788 B CN 105957788B
- Authority
- CN
- China
- Prior art keywords
- electrode
- discharge tube
- gas discharge
- sheet
- composite gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000002131 composite material Substances 0.000 title claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 229910000679 solder Inorganic materials 0.000 claims description 8
- 239000004065 semiconductor Substances 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 3
- 230000001052 transient effect Effects 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000010354 integration Effects 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 44
- 208000025274 Lightning injury Diseases 0.000 description 1
- NEIHULKJZQTQKJ-UHFFFAOYSA-N [Cu].[Ag] Chemical compound [Cu].[Ag] NEIHULKJZQTQKJ-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/34—One or more circuit elements structurally associated with the tube
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention provides a composite gas discharge tube, which comprises an insulating tube body and at least three electrodes, wherein the three electrodes are respectively called a first electrode, a middle electrode and a second electrode, the first electrode, the middle electrode and the insulating tube body are connected in a sealing way to form a discharge cavity filled with gas, a sheet-shaped element or a sheet-shaped element group is arranged on the surface of the middle electrode facing the second electrode, the sheet-shaped element or the sheet-shaped element group is provided with two conductive surfaces respectively called a first conductive surface and a second conductive surface, the first conductive surface is electrically connected with the middle electrode, and the second conductive surface is electrically connected with the second electrode. The composite gas discharge tube provided by the invention has the advantages that the flaky element which is required to be used in series with the common gas discharge tube is packaged in the composite gas discharge tube, the integration level is high, the product size is small, and the circuit is more convenient to be externally connected.
Description
Technical Field
The invention relates to the field of overvoltage protection products, in particular to a composite gas discharge tube.
Background
The gas discharge tube is a switching type protection device and is generally used as an overvoltage protection device. The current gas discharge tube is formed by insulating tube body and sealing electrodes at two ends, and the inner cavity is filled with inert gas. When the voltage at two ends of the electrode of the gas discharge tube exceeds the breakdown voltage of the gas, the gap discharge is caused, the gas discharge tube is rapidly changed from a high-resistance state to a low-resistance state, and conduction is formed, so that other devices connected in parallel with the gas discharge tube are protected. Because of the performance limitation of the gas discharge tube, in the practical application of some protection circuits, the gas discharge tube alone cannot meet the requirement, and the gas discharge tube and other electronic elements need to be used in series to achieve better protection effect. However, other electronic components are connected in series in the protection circuit, but the protection circuit becomes complex, and the external circuit is inconvenient; and the occupied area of the protection circuit is increased, so that the protection circuit is not suitable for certain occasions.
Disclosure of Invention
The invention aims to provide a composite gas discharge tube which can not only provide effective overvoltage protection for a circuit, but also improve the integration level of a protection circuit, reduce the size of a product and be more convenient for externally connecting the circuit.
In view of this, an embodiment of the present invention provides a composite gas discharge tube, including an insulating tube body and at least three electrodes, where the three electrodes are respectively referred to as a first electrode, an intermediate electrode, and a second electrode, the first electrode, the intermediate electrode, and the insulating tube body are hermetically connected to form a discharge cavity filled with gas, a sheet element or a sheet element group is disposed on a surface of the intermediate electrode facing the second electrode, and the sheet element or the sheet element group has two conductive surfaces respectively referred to as a first conductive surface and a second conductive surface, the first conductive surface is electrically connected to the intermediate electrode, and the second conductive surface is electrically connected to the second electrode.
Further, a boss is arranged on the surface of the intermediate electrode facing the second electrode, and the sheet-shaped element is arranged on the boss.
Further, the sheet element is electrically connected to the intermediate electrode and the second electrode through conductive connection layers, respectively.
Further, the middle electrode is divided into two parts, and a buffer layer is arranged at the dividing part to connect the two divided parts.
Further, the buffer layer is a low-temperature solder layer.
Further, the low-temperature solder layer is a low-temperature conductive paste layer.
Further, the sheet-like element is one of the following elements: a resistor, capacitor, inductor, thermal sensor, pressure sensor or semiconductor chip.
Further, the semiconductor chip comprises a solid discharge tube and a transient voltage suppressor.
Further, the electronic device further comprises a third electrode, wherein a second sheet-shaped element is connected between the third electrode and the first electrode, and an electronic element connected in series is connected between the first electrode and the second electrode.
The composite gas discharge tube provided by the invention has the advantages that the sheet-shaped element which is required to be used in series with the common gas discharge tube is packaged in the composite gas discharge tube, so that the circuit can be effectively overvoltage-protected, the integration level of the protection circuit can be improved, the product size is reduced, and the circuit is more convenient to be externally connected.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
FIG. 1 is a schematic view of an embodiment of a composite gas discharge tube;
fig. 2 is a schematic view of an appearance of a composite gas discharge tube according to a second embodiment of the present invention;
fig. 3 is a schematic view of an appearance of a composite gas discharge tube according to a third embodiment of the present invention.
Detailed Description
The invention will be further elucidated with the following examples in connection with the accompanying drawings. It should be noted in advance that the insulating tube body is glass tube, porcelain tube or other insulating tube body suitable for being used as material of composite gas discharge tube; the invention relates to a composite gas discharge tube which comprises a triode and a multipole tube. For simplicity of description, a triode is taken as an example for illustration.
Referring to fig. 1, fig. 1 is an external view of a composite gas discharge tube according to an embodiment of the invention. As shown in fig. 1, the composite gas discharge tube of the present embodiment includes: the insulating tube 11, the first electrode 12, the intermediate electrode 13 and the second electrode 14, wherein the first electrode 12, the intermediate electrode 13 and the insulating tube 11 are connected in a sealing way to form a discharge cavity 15 filled with gas, wherein the surface of the intermediate electrode 13 facing the second electrode 14 is provided with a sheet-shaped element 16, the sheet-shaped element 16 is provided with two conductive surfaces respectively called a first conductive surface 161 and a second conductive surface 162, the first conductive surface 161 is electrically connected with the intermediate electrode 13, and the second conductive surface 162 is electrically connected with the second electrode 14.
In another embodiment, the sheet element 16 may also be a group of sheet elements, not shown in this figure, consisting of a group of sheet elements connected in series or parallel with each other.
Specifically, the sheet-like element is one of the following elements: a resistor, capacitor, inductor, thermal, pressure sensitive or semiconductor chip comprising a solid discharge tube and a transient voltage suppressor.
In a preferred embodiment, the surface of the intermediate electrode 13 facing the second electrode 14 is provided with a boss (i.e. the portion in contact with the first conductive surface 161, not shown) on which the laminar element 16 is arranged.
In a further preferred embodiment, the sheet element 16 is electrically connected to the intermediate electrode 13, the second electrode 14, respectively, by means of a conductive connection layer, preferably silver-copper solder.
The composite gas discharge tube provided by the invention has the advantages that the sheet-shaped element which is required to be used in series with the gas discharge tube is packaged in the composite gas discharge tube, so that the circuit can be effectively overvoltage-protected, the integration level of the protection circuit can be improved, the product size is reduced, and the circuit is more convenient to be externally connected.
Referring to fig. 2, fig. 2 is an external view of a composite gas discharge tube according to a second embodiment of the invention. As shown in fig. 2, the composite gas discharge tube of the present embodiment includes: the device comprises an insulating tube body 21, a first electrode 22, an intermediate electrode 23 and a second electrode 24, wherein the first electrode 22 and the intermediate electrode 23 are in sealing connection with the insulating tube body 21 to form a discharge cavity 25 filled with gas; wherein, the surface of the intermediate electrode 23 facing the second electrode 24 is provided with a sheet-like element 26, and the sheet-like element 26 has two conductive surfaces (the conductive surfaces are labeled in conjunction with fig. 1 and not labeled in fig. 2) respectively called a first conductive surface and a second conductive surface, the first conductive surface is electrically connected to the intermediate electrode 23, and the second conductive surface is electrically connected to the second electrode 24; meanwhile, in order to prevent the sheet member 26 from being damaged by vibration generated when the composite gas discharge tube receives a lightning strike, the intermediate electrode 23 is divided into two parts, and a buffer layer 27 is provided at the divided part to connect the divided two parts.
Specifically, the buffer layer 27 is a low-temperature solder layer; specifically, the low-temperature solder layer is a low-temperature conductive paste layer, preferably a low-temperature solder paste layer.
The composite gas discharge tube provided by the invention has the advantages that the sheet-shaped element which is required to be used in series with the gas discharge tube is packaged in the composite gas discharge tube, so that the circuit can be effectively overvoltage-protected, the integration level of the protection circuit can be improved, the product size is reduced, and the circuit is more convenient to be externally connected. In addition, the buffer layer is additionally arranged on the middle electrode of the composite gas discharge tube, so that the damage to the sheet-shaped element caused by vibration generated when the composite gas discharge tube receives lightning stroke can be prevented.
Referring to fig. 3, fig. 3 is a schematic view illustrating an appearance of a composite gas discharge tube according to a third embodiment of the present invention. As shown in fig. 3, the composite gas discharge tube of the present embodiment includes: the insulating tube 31, the first electrode 32, the middle electrode 33, the second electrode 34 and the third electrode 37, wherein the first electrode 32, the middle electrode 33 and the insulating tube 31 are connected in a sealing way to form a discharging cavity 35 filled with gas, a sheet-shaped element 36 is arranged on the surface of the middle electrode 33 facing the second electrode 34, the sheet-shaped element 36 is provided with two conductive surfaces respectively called a first conductive surface 361 and a second conductive surface 362, the first conductive surface 361 is electrically connected with the middle electrode 33, and the second conductive surface 362 is electrically connected with the second electrode 34.
Between the third electrode 37 and the first electrode 32, there is a second sheet element 30, in particular a capacitor. Of course, the second chip element may also be a resistive, inductive, thermal, pressure-sensitive or semiconductor chip, as long as the circuitry is required. Between the first electrode 32 and the second electrode 34, electronic components are connected in series, specifically, an inductor 38 and a resistor 39. Similarly, the electronic component may be a capacitor, a heat sensitive, a pressure sensitive or a semiconductor chip, as long as it is required for the circuit.
The composite gas discharge tube provided by the invention has the advantages that the sheet-shaped element which is required to be used in series with the gas discharge tube is packaged in the composite gas discharge tube, so that the circuit can be effectively overvoltage-protected, the integration level of the protection circuit can be improved, the product size is reduced, and the circuit is more convenient to be externally connected. In addition, the electronic elements required by the external serial circuit of the composite gas discharge tube further improve the integration level of the product and reduce the size of the product.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Some of the features of any of the embodiments described above may be transferred to other embodiments as well. Other variations or modifications of the various aspects will be apparent to persons skilled in the art from the foregoing description, and it is not necessary nor intended to be exhaustive of all embodiments. All technical solutions falling within the scope of the application are included in the scope of protection of the application.
Claims (7)
1. The utility model provides a compound gas discharge tube, includes insulating body and at least three electrode, the three electrode is called first electrode, intermediate electrode and second electrode respectively, first electrode, intermediate electrode and insulating body sealing connection form a discharge inner chamber that fills gas, its characterized in that: the surface of the intermediate electrode facing the second electrode is provided with a sheet element or a sheet element group having two conductive surfaces respectively called a first conductive surface and a second conductive surface, the first conductive surface being electrically connected to the intermediate electrode, the second conductive surface being electrically connected to the second electrode; the sheet-like element is encapsulated inside the composite gas discharge tube; the electronic device further comprises a third electrode, a second sheet-shaped element is connected between the third electrode and the first electrode, and an electronic element connected in series is connected between the first electrode and the second electrode; the middle electrode is divided into two parts, and a buffer layer is arranged at the dividing part to connect the two divided parts.
2. The composite gas discharge tube of claim 1, wherein: the surface of the intermediate electrode facing the second electrode is provided with a boss, and the sheet-shaped element is arranged on the boss.
3. The composite gas discharge tube of claim 1, wherein the sheet member is electrically connected to the intermediate electrode and the second electrode, respectively, by a conductive connection layer.
4. The composite gas discharge tube of claim 1, wherein the buffer layer is a low temperature solder layer.
5. The composite gas discharge tube of claim 4, wherein the low temperature solder layer is a low temperature conductive paste layer.
6. The composite gas discharge tube of claim 1, wherein the sheet member is one of the following: a resistor, capacitor, inductor, thermal sensor, pressure sensor or semiconductor chip.
7. The composite gas discharge tube of claim 6, wherein the semiconductor chip comprises a solid discharge tube and a transient voltage suppressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610395309.4A CN105957788B (en) | 2016-06-03 | 2016-06-03 | Composite gas discharge tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610395309.4A CN105957788B (en) | 2016-06-03 | 2016-06-03 | Composite gas discharge tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105957788A CN105957788A (en) | 2016-09-21 |
| CN105957788B true CN105957788B (en) | 2024-03-29 |
Family
ID=56907628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610395309.4A Active CN105957788B (en) | 2016-06-03 | 2016-06-03 | Composite gas discharge tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105957788B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8278824B1 (en) * | 2006-02-16 | 2012-10-02 | Imaging Systems Technology, Inc. | Gas discharge electrode configurations |
| CN202940581U (en) * | 2012-09-03 | 2013-05-15 | 吕玉萍 | Novel protection assembly constituted by discharging mechanism and piezoresistor |
| CN103762143A (en) * | 2014-01-08 | 2014-04-30 | 深圳市槟城电子有限公司 | Gas discharge tube |
| CN204289356U (en) * | 2014-12-08 | 2015-04-22 | 深圳市威尔利实业有限公司 | A kind of discharge tube |
| CN104952570A (en) * | 2014-03-27 | 2015-09-30 | 深圳市槟城电子有限公司 | Piezoresistor of integrated gas discharge tube |
| CN105097386A (en) * | 2015-03-13 | 2015-11-25 | 厦门赛尔特电子有限公司 | Gas discharge tube with thermal protection |
| CN105190832A (en) * | 2013-02-22 | 2015-12-23 | 伯恩斯公司 | Device and method relating to flat gas discharge tubes |
| CN205752089U (en) * | 2016-06-03 | 2016-11-30 | 深圳市槟城电子有限公司 | A kind of composite gas discharge tube |
-
2016
- 2016-06-03 CN CN201610395309.4A patent/CN105957788B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8278824B1 (en) * | 2006-02-16 | 2012-10-02 | Imaging Systems Technology, Inc. | Gas discharge electrode configurations |
| CN202940581U (en) * | 2012-09-03 | 2013-05-15 | 吕玉萍 | Novel protection assembly constituted by discharging mechanism and piezoresistor |
| CN105190832A (en) * | 2013-02-22 | 2015-12-23 | 伯恩斯公司 | Device and method relating to flat gas discharge tubes |
| CN103762143A (en) * | 2014-01-08 | 2014-04-30 | 深圳市槟城电子有限公司 | Gas discharge tube |
| CN104952570A (en) * | 2014-03-27 | 2015-09-30 | 深圳市槟城电子有限公司 | Piezoresistor of integrated gas discharge tube |
| CN204289356U (en) * | 2014-12-08 | 2015-04-22 | 深圳市威尔利实业有限公司 | A kind of discharge tube |
| CN105097386A (en) * | 2015-03-13 | 2015-11-25 | 厦门赛尔特电子有限公司 | Gas discharge tube with thermal protection |
| CN205752089U (en) * | 2016-06-03 | 2016-11-30 | 深圳市槟城电子有限公司 | A kind of composite gas discharge tube |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105957788A (en) | 2016-09-21 |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
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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 Applicant after: Shenzhen Penang Electronics Co.,Ltd. Address before: 518116 Shenzhen, Longgang, Guangdong province Longgang Street Baolong community Baolong four road 3 Lan Pu Yuan Industrial Zone 1 Factory A501 Applicant before: Shenzhen Bencent Electronics Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |