CN201994658U - Signal lightning protection device with function of failure detection - Google Patents
Signal lightning protection device with function of failure detection Download PDFInfo
- Publication number
- CN201994658U CN201994658U CN201120134937XU CN201120134937U CN201994658U CN 201994658 U CN201994658 U CN 201994658U CN 201120134937X U CN201120134937X U CN 201120134937XU CN 201120134937 U CN201120134937 U CN 201120134937U CN 201994658 U CN201994658 U CN 201994658U
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- diode
- lightning protection
- discharge tube
- protection device
- failure detection
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Abstract
The utility model relates to a signal lightning protection device, in particular to a signal lightning protection device with a function of failure detection, which comprises a signal source line, a shielding layer line and a grounding line, and sequentially comprises a discharge tube circuit and a diode circuit from an input terminal to an output terminal, wherein an electromagnetic induction ring is connected between the discharge tube circuit and the grounding line. The utility model relates to the signal lightning protection device with the function of failure detection, which has high signal detection sensitivity, can realize real-time monitoring on the circuits of the lightning protection device, and still can detect failure information and protect other equipment connected with the lightning protection device after the lightning protection device fails.
Description
Technical field
The utility model relates to a kind of siganl thunder-proof device, is specifically related to a kind of siganl thunder-proof device with the failure detection function.
Background technology
At present, the siganl thunder-proof device major part that is used in information system all only has been equipped with lightning protection function, there are not detection and warning system at himself operating state, after being damaged or losing efficacy, lightning protection device self do not have on-line monitoring or indication mechanism, can only allow attendant's routine remove the censorship test, waste time and energy, and extremely inconvenient.
Existing siganl thunder-proof device, it is to do first order protection by gas discharge tube, does second level protection by Transient Suppression Diode, by the coordination of wire resistor as two inter-stages.In the use of product, each components and parts of forming lightning protection device all might damage, thereby cause the inefficacy of whole lightning protection device.The signal lighting protection product has only the next overall performance monitoring as lightning protection device of temperature (increase of electric current causes the intensification of resistance) of coordinating resistance by monitoring at present; so not only the sensitivity of Jian Ceing is not high; especially on circuit the abnormal work electric current appears; lightning protection device itself also is the victim, let alone to the protection of equipment.
The utility model content
For overcoming the deficiencies in the prior art, the purpose of this utility model is to provide a kind of siganl thunder-proof device with the failure detection function.
For achieving the above object, the technical scheme that the utility model adopted is as follows:
A kind of siganl thunder-proof device with the failure detection function has comprised signal source line, shielding layer line and ground wire, and its input comprises discharge tube circuit and diode circuit successively to output, is connected an electromagnetic induction ring between described discharge tube circuit and the ground wire.
Described discharge tube circuit comprises the discharge tube that connects between signal source line and the shielding layer line.
Described diode circuit comprises three diodes that are connected between signal source line and the shielding layer line, wherein first diode and second diode are serially connected between signal source line and the shielding layer line, the 3rd diode directly is serially connected between signal source line and the shielding layer line and is in parallel with first diode, second diode, and an end of described ground wire is connected between first diode and second diode.
Signal source line between described first diode and the discharge tube is provided with coordination resistance, and is preferred, also establishes coordination resistance on the shielding layer line between described second diode and the discharge tube.
Described electromagnetic induction ring two ends are provided with link, and link is connected in the pulse shaper.
Compared to existing technology; the beneficial effects of the utility model are: the siganl thunder-proof device detection signal of band failure detection function of the present utility model highly sensitive; can realize real-time monitoring to the lightning protection device circuit; after lightning protection device lost efficacy; still can detect fail message, implement protection other equipment that are connected with the thunder device.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Description of drawings
Fig. 1 is the structural representation of the siganl thunder-proof device of the utility model band failure detection function;
Fig. 2 is use connected mode figure of the present utility model.
Embodiment
As shown in Figure 1, the siganl thunder-proof device of band failure detection function of the present utility model, signal source line a-a ', shielding layer line b-b ' and ground wire c have been comprised, its input a-b comprises discharge tube circuit and diode circuit successively to output a '-b ', is connected an electromagnetic induction ring 5 between described discharge tube circuit and the ground wire; Described discharge tube circuit comprises the discharge tube 4 that connects between signal source line a-a ' and the shielding layer line b-b '; Described diode circuit comprises three diodes that are connected between signal source line a-a ' and the shielding layer line b-b ', wherein first diode 1 and second diode 2 are serially connected between signal source line a-a ' and the shielding layer line b-b ', the 3rd diode 3 directly is serially connected between signal source line a-a ' and the shielding layer line b-b ' and is in parallel with first diode 1, second diode 2, and the end of described ground wire c is connected between first diode 1 and second diode 2.Preferably, the signal source line a-a ' between first diode 1 described in the utility model and the discharge tube 4 is provided with and coordinates resistance R 1, and is preferred again, also establishes on the shielding layer line b-b ' between described second diode 2 and the discharge tube and coordinates resistance R 2.
As shown in Figure 1 and Figure 2, electromagnetic induction ring described in the utility model two ends are provided with link 10 and link 11, and wherein link 10 is connected the end of 10 ' in the pulse shaper, and link 11 is connected the end of 11 ' in the pulse shaper.
The utility model on discharge tube 4 circuit over the ground suit an electromagnetic induction ring 5, the surge pulse current of going into ground by discharge tube 4 is responded to, set the coil ratio of electromagnetic induction ring 5, the KA level surge pulse current of going into ground by discharge tube 4 can be extracted into the electric current of mA level, again by being carried in "-" end of comparator 7 behind the pulse shaper 6, when "+" terminal voltage of comparator is adjusted to the maximum surge current that discharge tube 4 can bear at the voltage levvl that is being loaded into comparator 7 "-" end.When the pulse current of going into ground by discharge tube did not reach its maximum surge current, the state output terminal of comparator 7 can not change; When the pulse current of going into ground by discharge tube 4 surpasses its maximum surge current that can bear, the state output terminal of comparator 7 changes, trigger the pulse trigger 8 of back simultaneously, the skip signal of transient state is changed into the signal output of transient state, drive the state performance circuit of lightning protection device, monitor the operating state of the circuit of lightning protection device at any time.
Above-mentioned execution mode only is the utility model preferred implementation; can not regard the restriction to the utility model protection range as, the variation of any unsubstantiality that those skilled in the art is done on basis of the present utility model and replacement all belong to the scope of the utility model protection.
Claims (5)
1. siganl thunder-proof device with the failure detection function, signal source line, shielding layer line and ground wire have been comprised, it is characterized in that: its input comprises discharge tube circuit and diode circuit successively to output, is connected an electromagnetic induction ring between described discharge tube circuit and the ground wire.
2. the siganl thunder-proof device of band failure detection function according to claim 1 is characterized in that: described discharge tube circuit comprises the discharge tube that connects between signal source line and the shielding layer line.
3. the siganl thunder-proof device of band failure detection function according to claim 1, it is characterized in that: described diode circuit comprises three diodes that are connected between signal source line and the shielding layer line, wherein first diode and second diode are serially connected between signal source line and the shielding layer line, the 3rd diode directly is serially connected between signal source line and the shielding layer line and is in parallel with first diode, second diode, and an end of described ground wire is connected between first diode and second diode.
4. the siganl thunder-proof device of band failure detection function according to claim 2 is characterized in that: the signal source line between described first diode and the discharge tube is provided with coordination resistance.
5. the siganl thunder-proof device of band failure detection function according to claim 1 is characterized in that: described electromagnetic induction ring two ends are provided with link, and link is connected in the pulse shaper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120134937XU CN201994658U (en) | 2011-04-29 | 2011-04-29 | Signal lightning protection device with function of failure detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120134937XU CN201994658U (en) | 2011-04-29 | 2011-04-29 | Signal lightning protection device with function of failure detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201994658U true CN201994658U (en) | 2011-09-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120134937XU Expired - Fee Related CN201994658U (en) | 2011-04-29 | 2011-04-29 | Signal lightning protection device with function of failure detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201994658U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102781145A (en) * | 2012-07-27 | 2012-11-14 | 贵州索立得光电科技有限公司 | LED (light emitting diode) drive power circuit |
| CN105591352A (en) * | 2014-11-03 | 2016-05-18 | 深圳市康普盾电子科技有限公司 | Signal lightning protection device |
| CN105929288A (en) * | 2016-06-30 | 2016-09-07 | 杭州师范大学钱江学院 | Lightning protection device online detection circuit |
| CN106385017A (en) * | 2016-09-23 | 2017-02-08 | 郑州云海信息技术有限公司 | Circuit protection device and system |
-
2011
- 2011-04-29 CN CN201120134937XU patent/CN201994658U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102781145A (en) * | 2012-07-27 | 2012-11-14 | 贵州索立得光电科技有限公司 | LED (light emitting diode) drive power circuit |
| CN105591352A (en) * | 2014-11-03 | 2016-05-18 | 深圳市康普盾电子科技有限公司 | Signal lightning protection device |
| CN105591352B (en) * | 2014-11-03 | 2018-07-03 | 深圳市康普盾电子科技有限公司 | Siganl thunder-proof device |
| CN105929288A (en) * | 2016-06-30 | 2016-09-07 | 杭州师范大学钱江学院 | Lightning protection device online detection circuit |
| CN106385017A (en) * | 2016-09-23 | 2017-02-08 | 郑州云海信息技术有限公司 | Circuit protection device and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGZHOU HOPEWELL TECHNOLOGY CO., LTD. Free format text: FORMER NAME: HUAWEI SCIENCE-TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 510000 Guangzhou Province, Yuexiu District martyrs Road, No. 100 Provincial Academy of Sciences, office building, room 116, No. Patentee after: Guangzhou Hopewell Technology Co., Ltd. Address before: 510000 Guangzhou Province, Yuexiu District martyrs Road, No. 100 Provincial Academy of Sciences, office building, room 116, No. Patentee before: Huawei Science-Technology Co., Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: HUAWEI SCIENCE-TECHNOLOGY CO., LTD. Free format text: FORMER NAME: GUANGZHOU HOPEWELL TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Room 116, office building, Provincial Academy of Sciences, 100 martyrs Road, Guangzhou, Guangdong, Yuexiu District 511446, China Patentee after: Huawei Science-Technology Co., Ltd. Address before: 510000 Guangzhou Province, Yuexiu District martyrs Road, No. 100 Provincial Academy of Sciences, office building, room 116, No. Patentee before: Guangzhou Hopewell Technology Co., Ltd. |
|
| 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: 20110928 Termination date: 20190429 |