CN202172272U - Network signal lightning protection device - Google Patents
Network signal lightning protection device Download PDFInfo
- Publication number
- CN202172272U CN202172272U CN2011202614387U CN201120261438U CN202172272U CN 202172272 U CN202172272 U CN 202172272U CN 2011202614387 U CN2011202614387 U CN 2011202614387U CN 201120261438 U CN201120261438 U CN 201120261438U CN 202172272 U CN202172272 U CN 202172272U
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- China
- Prior art keywords
- gas discharge
- discharge tube
- protection device
- lightning protection
- network signal
- Prior art date
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Abstract
The present utility model provides a network signal lightning protection device for protecting every line. The network signal lightning protection device comprises a gas discharge tube, a high speed rectifier tube, a transient suppression diode and a current-limiting resistor. Each signal circuit is respectively connected with the ground through the gas discharge tube and the transient suppression diode, the current-limiting resistor is connected between the gas discharge tube and the transient suppression diode in series, and the high speed rectifier tube is connected with the gas discharge tube in a star way. In the network signal lightning protection device, the nonparallel wiring way is adopted, the parasitic capacitance between wires is reduced, thus the data signal transmission performance is increased. Moreover, through combining a high speed rectifier bridge with a TVS perfectly, the protection mode of a signal line is changed into a common/difference module protection mode, that is, a full module protection.
Description
Technical field
The utility model relates to a kind of lightning protection device, especially a kind of network signal lightning protection device.
Background technology
Existing network signal lightning protection device mostly belongs to the protection of 4 lines, and protected mode each other is incomplete, generally has only the differential mode protected mode of 1,2 and 3,6 lines, and in actual application, the surge discharge effect that can occur intersecting between the circuit destroys product.
The utility model content
The utility model provides a kind of network signal lightning protection device that every circuit is all protected.
Realize the network signal lightning protection device of the utility model purpose, comprise gas discharge tube, high speed rectifying tube, Transient Suppression Diode, current-limiting resistance; Each signal circuit all passes through said gas discharge tube ground connection and said Transient Suppression Diode ground connection respectively, and between said gas discharge tube and Transient Suppression Diode, is in series with current-limiting resistance; Said high speed rectifying tube becomes star-like with gas discharge tube and is connected.
The beneficial effect of the utility model is following:
The network signal lightning protection device of the utility model adopts not parallel wiring rule, lets parasitic capacitance reduces between line, thereby improves the data performance; Through the perfect adaptation of high speed rectifier bridge and TVS, make the protection mode of signal line become common, differential mode protected mode, promptly full mould protection.
Description of drawings
Fig. 1 is the structural representation of the utility model network signal lightning protection device.
Embodiment
The embodiment of the utility model is following:
As shown in Figure 1, the network signal lightning protection device of the utility model comprises gas discharge tube GDT, high speed rectifying tube, Transient Suppression Diode TVS, current-limiting resistance R; Each signal circuit all passes through said gas discharge tube GDT ground connection and said Transient Suppression Diode TVS ground connection respectively, and between said gas discharge tube GDT and Transient Suppression Diode TVS, is in series with current-limiting resistance R; Said high speed rectifying tube becomes star-like with gas discharge tube GDT and is connected.
When lightning current, when lightning voltage passes through lightning protection device, lightning protection device is protected follow-up equipment through the mode of earial drainage pressure limiting, earlier by the fast TVS pipe action of response speed; Cause the divider resistance two ends that voltage is arranged, at this moment the voltage at the gas discharge tube two ends voltage sum at piezoresistance and TVS pipe two ends of exceeding disposes corresponding components and parts; Make gas discharge tube reach puncture voltage; Big electric current is discharged from first order gas discharge tube, manage by second level TVS and carry out deboost, thus protection equipment; The full-bridge rectification of the rectifying tube design in the circuit, main purpose are to play to reduce the effect that parasitic capacitance is connected with conducting line line.
Embodiment recited above describes the preferred implementation of the utility model; Be not that scope to the utility model limits; Design under the spiritual prerequisite not breaking away from the utility model; Various distortion and improvement that the common engineers and technicians in this area make the utility model technical scheme all should fall in the protection range that claims of the utility model confirm.
Claims (1)
1. the network signal lightning protection device that every circuit is all protected is characterized in that: comprise gas discharge tube, high speed rectifying tube, Transient Suppression Diode, current-limiting resistance; Each signal circuit all passes through said gas discharge tube ground connection and said Transient Suppression Diode ground connection respectively, and between said gas discharge tube and Transient Suppression Diode, is in series with current-limiting resistance; Said high speed rectifying tube becomes star-like with gas discharge tube and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202614387U CN202172272U (en) | 2011-07-22 | 2011-07-22 | Network signal lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202614387U CN202172272U (en) | 2011-07-22 | 2011-07-22 | Network signal lightning protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202172272U true CN202172272U (en) | 2012-03-21 |
Family
ID=45830458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202614387U Expired - Fee Related CN202172272U (en) | 2011-07-22 | 2011-07-22 | Network signal lightning protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202172272U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105896502A (en) * | 2014-11-05 | 2016-08-24 | 天津市吉涛电子科技有限公司 | Surge protector used for twisted pair |
-
2011
- 2011-07-22 CN CN2011202614387U patent/CN202172272U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105896502A (en) * | 2014-11-05 | 2016-08-24 | 天津市吉涛电子科技有限公司 | Surge protector used for twisted pair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120321 Termination date: 20150722 |
|
| EXPY | Termination of patent right or utility model |