CN102082427A - Surge protector adopting pressure-sensitive chip and graphite sheet in serial connection - Google Patents
Surge protector adopting pressure-sensitive chip and graphite sheet in serial connection Download PDFInfo
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- CN102082427A CN102082427A CN2010105985637A CN201010598563A CN102082427A CN 102082427 A CN102082427 A CN 102082427A CN 2010105985637 A CN2010105985637 A CN 2010105985637A CN 201010598563 A CN201010598563 A CN 201010598563A CN 102082427 A CN102082427 A CN 102082427A
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- graphite flake
- chip varistor
- metal
- graphite sheet
- surge protector
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Abstract
The invention relates to a surge protector adopting a pressure-sensitive chip and a graphite sheet in serial connection, which comprises the pressure-sensitive chip and the graphite sheet, wherein the graphite sheet is positioned in a graphite sheet rubber-coated body, two metal devices are respectively arranged on two sides of the graphite sheet rubber-coated body, metal structures are also respectively arranged in the positions corresponding to two sides of the pressure-sensitive chip, and the metal devices on the two sides of the graphite sheet are welded with the metal structures on the two sides of the pressure-sensitive chip through tin wires. The graphite sheet rubber-coated body and the pressure-sensitive chip, which are welded together are positioned in a fixed housing, the graphite sheet rubber-coated body is connected with an electrode plate, the pressure-sensitive chip is connected with a tripping electrode, and the surge protector can realize surge protection by utilizing the form of connecting the pressure-sensitive chip with the graphite sheet in series and further the technical problems of creepage, follow current and high cost can be solved.
Description
Technical field
The present invention relates to a kind of surge protector, particularly a kind of surge protector of chip varistor string graphite flake.
Background technology
(Surge Protective Device is in order to restriction transient overvoltage and a kind of equipment that guides surge current SPD) to surge protector.It not only has lightning protection function, and suppresses the Switching Overvoltage effect in addition.Surge protector is indispensable a kind of device in the electronic equipment lightning protection, and the past often is called " lightning arrester " or " overvoltage protection device " English and is abbreviated as SPD.
The operation principle of surge protector is that the instantaneous overvoltage of scurrying into power line, signal transmssion line is limited in the voltage range that equipment or system can bear, or powerful lightning current is let out the inflow place, protects protected equipment or system not to be hit and damages.
But existing surge protector mainly contains three kinds: the one, adopt chip varistor; The 2nd, adopt discharge tube; The 3rd, adopt piezo-resistance string discharge tube.
First kind shortcoming is to exist leakage current, the resistance of chip varistor is infinitely great in theory, does not have leakage current, but in fact because material material problem and production technology problem, make chip varistor not have also can to exist leakage current under the situation of turn-on action.Leakage current will make the electrical property variation of surge protector greatly, and descend to useful life;
Second kind shortcoming is the phenomenon that has afterflow, and promptly discharge tube can't return to the off-state before releasing after lightning current is released in conducting, and this will cause discharge tube will cause very serious accident to the using electricity system short circuit after the lightning current of releasing;
The third can solve first kind leakage current and second kind afterflow problem, but the cost height.
Summary of the invention
The object of the present invention is to provide a kind of surge protector of chip varistor string graphite flake, mainly is to utilize the form of chip varistor serial connection graphite flake to realize surge protection, has solved the high technical problem of electric leakage, afterflow and cost.
The invention provides a kind of surge protector of chip varistor string graphite flake; comprise chip varistor and graphite flake; chip varistor and graphite flake are serially connected; graphite flake is positioned at graphite flake encapsulate body; graphite flake encapsulate body both sides respectively are provided with a metal device; the position of corresponding chip varistor both sides also respectively is provided with a metal structure, the metal device of described graphite flake both sides and the welding of the metal structure of chip varistor both sides.
Preferably, also comprise set casing, chip varistor that is serially connected and graphite flake encapsulate body are positioned at set casing.
Preferably, the chip varistor front end is provided with a sheet metal, and the set casing front end is provided with a hole, and described sheet metal passes this hole to stationary housing, set casing connects the dropout electrode of a band metal end in this position, chip varistor and dropout electrode be connected to metalwork and metal end is welded.
Preferably, graphite flake encapsulate body one side also is provided with a metal end-piece, and this metal end-piece is positioned at set casing one side, and set casing also connects an electrode slice that has a metal dististyle, graphite flake encapsulate body and electrode slice be connected to metal end-piece and the welding of metal dististyle.
Preferably, chip varistor and graphite flake are serially connected.
Compared with prior art, there is following technique effect in the present invention:
The present invention utilizes the form of chip varistor serial connection graphite flake to realize surge protection, and the situation that prevents electric leakage, afterflow takes place, and realizes surge protection, improves the performance of surge protector, and improves its useful life.
Description of drawings
Fig. 1 is the structural representation of the surge protector of a kind of chip varistor string of the present invention graphite flake;
Fig. 2 is the side perspective view of the surge protector of a kind of chip varistor string of the present invention graphite flake;
Fig. 3 is the top perspective structural representation of the surge protector of a kind of chip varistor string of the present invention graphite flake.
Embodiment
The invention provides a kind of surge protector of chip varistor string graphite flake, comprise chip varistor and graphite flake, chip varistor and graphite flake are serially connected, and please refer to Fig. 1.
Embodiment 1
Below in conjunction with accompanying drawing, the present invention is done further detailed narration.
Please refer to Fig. 2 and Fig. 3, graphite flake is positioned at graphite flake encapsulate body 1, graphite flake encapsulate body 1 both sides respectively are provided with a metal device 12, the position of corresponding chip varistor 2 both sides also respectively is provided with a metal structure 21, and the metal device 12 of graphite flake encapsulate body 1 both sides connects by the tin wire bond with the metal structure 21 of chip varistor 2 both sides.
Graphite flake encapsulate body 1 one sides also are provided with a metal end-piece 11, this metal end-piece 11 is positioned at set casing 3 one sides, set casing 3 also connects an electrode slice 4 that has a metal dististyle 41, and graphite flake encapsulate body 1 connects by the tin wire bond with metal dististyle 41 with the metal end-piece 11 that is connected to of electrode slice 4.
The present invention adopts and adopts earlier chip varistor, the leakage phenomenon that chip varistor exists, and the graphite flake of being connected is overcome, and graphite flake access cost is low and do not have an afterflow phenomenon.
More than disclosed only be the application's a specific embodiment, but the application is not limited thereto, any those skilled in the art can think variation, all should drop in the application's the protection range.
Claims (5)
1. the surge protector of a chip varistor string graphite flake; comprise chip varistor and graphite flake; it is characterized in that; chip varistor and graphite flake are serially connected; graphite flake is positioned at graphite flake encapsulate body; graphite flake encapsulate body both sides respectively are provided with a metal device, and the position of corresponding chip varistor both sides also respectively is provided with a metal structure, the metal device of described graphite flake both sides and the welding of the metal structure of chip varistor both sides.
2. the surge protector of a kind of chip varistor string graphite flake as claimed in claim 1 is characterized in that, also comprises set casing, and chip varistor that is serially connected and graphite flake encapsulate body are positioned at set casing.
3. the surge protector of a kind of chip varistor string graphite flake as claimed in claim 1; it is characterized in that; the chip varistor front end is provided with a sheet metal; the set casing front end is provided with a hole; described sheet metal passes this hole to stationary housing; set casing connects the dropout electrode of a band metal end in this position, chip varistor and dropout electrode be connected to metalwork and metal end is welded.
4. the surge protector of a kind of chip varistor string graphite flake as claimed in claim 1; it is characterized in that; graphite flake encapsulate body one side also is provided with a metal end-piece; this metal end-piece is positioned at set casing one side; set casing also connects an electrode slice that has a metal dististyle, graphite flake encapsulate body and electrode slice be connected to metal end-piece and the welding of metal dististyle.
5. the surge protector of a chip varistor string graphite flake comprises chip varistor and graphite flake, it is characterized in that, chip varistor and graphite flake are serially connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105985637A CN102082427A (en) | 2010-12-21 | 2010-12-21 | Surge protector adopting pressure-sensitive chip and graphite sheet in serial connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105985637A CN102082427A (en) | 2010-12-21 | 2010-12-21 | Surge protector adopting pressure-sensitive chip and graphite sheet in serial connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102082427A true CN102082427A (en) | 2011-06-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105985637A Pending CN102082427A (en) | 2010-12-21 | 2010-12-21 | Surge protector adopting pressure-sensitive chip and graphite sheet in serial connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102082427A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103296670A (en) * | 2012-03-02 | 2013-09-11 | 广东电网公司清远供电局 | Direct current power supply lightning arrester used for electrical power system |
| CN106129990A (en) * | 2016-08-29 | 2016-11-16 | 苏州工业园区科佳自动化有限公司 | A kind of non-maintaining charging pile lightning protection for power supply |
| CN112600183A (en) * | 2020-12-22 | 2021-04-02 | 湖南启泰传感科技有限公司 | Pressure-sensitive chip and surge protection device comprising same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1304142A (en) * | 2000-01-10 | 2001-07-18 | Abb高压技术股份公司 | Discharge device for overvoltage protection |
| JP2003018744A (en) * | 2001-07-02 | 2003-01-17 | Synclayer Inc | Surge protection device and communication apparatus with surge protection using same |
| CN2744037Y (en) * | 2004-09-23 | 2005-11-30 | 武汉爱劳高科技有限责任公司 | Overheat protector for surge protector |
| CN200941555Y (en) * | 2006-05-30 | 2007-08-29 | 东莞市石碣雷迅电子厂 | Combined power source surge protector |
| CN201918721U (en) * | 2010-12-21 | 2011-08-03 | 上海雷迅防雷技术有限公司 | Surge protection device for pressure sensitive chip connected with graphite sheet in series |
-
2010
- 2010-12-21 CN CN2010105985637A patent/CN102082427A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1304142A (en) * | 2000-01-10 | 2001-07-18 | Abb高压技术股份公司 | Discharge device for overvoltage protection |
| JP2003018744A (en) * | 2001-07-02 | 2003-01-17 | Synclayer Inc | Surge protection device and communication apparatus with surge protection using same |
| CN2744037Y (en) * | 2004-09-23 | 2005-11-30 | 武汉爱劳高科技有限责任公司 | Overheat protector for surge protector |
| CN200941555Y (en) * | 2006-05-30 | 2007-08-29 | 东莞市石碣雷迅电子厂 | Combined power source surge protector |
| CN201918721U (en) * | 2010-12-21 | 2011-08-03 | 上海雷迅防雷技术有限公司 | Surge protection device for pressure sensitive chip connected with graphite sheet in series |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103296670A (en) * | 2012-03-02 | 2013-09-11 | 广东电网公司清远供电局 | Direct current power supply lightning arrester used for electrical power system |
| CN106129990A (en) * | 2016-08-29 | 2016-11-16 | 苏州工业园区科佳自动化有限公司 | A kind of non-maintaining charging pile lightning protection for power supply |
| CN112600183A (en) * | 2020-12-22 | 2021-04-02 | 湖南启泰传感科技有限公司 | Pressure-sensitive chip and surge protection device comprising same |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110601 |