CN204167903U - A kind of pluggable embedded signal lightning protection device - Google Patents
A kind of pluggable embedded signal lightning protection device Download PDFInfo
- Publication number
- CN204167903U CN204167903U CN201420483171.XU CN201420483171U CN204167903U CN 204167903 U CN204167903 U CN 204167903U CN 201420483171 U CN201420483171 U CN 201420483171U CN 204167903 U CN204167903 U CN 204167903U
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- lightning protection
- protection device
- pluggable
- pin head
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- 230000001629 suppression Effects 0.000 claims abstract description 20
- 230000001052 transient effect Effects 0.000 claims abstract description 20
- 239000012634 fragment Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003071 parasitic effect Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to lightning protection device technical field, disclose a kind of pluggable embedded signal lightning protection device, comprise lightning protection device main body, be located at the protection wiring board in lightning protection device main body, be located at the protection circuit on protection wiring board, be located at the first pluggable pin head J in lightning protection device main body and the second pluggable pin head K, the first pluggable pin head J is connected with protection circuit, described second pluggable pin head K and protected equipment connection; Protection circuit comprises gas discharge tube GDT, high-speed rectifier pipe D, Transient Suppression Diode TVS, first and second current-limiting resistance R1, R2.The utility model passes through the combination of high-speed rectifier bridge and Transient Suppression Diode TVS, the protection mode of signal line is made to become common, differential mode protected mode, i.e. full mould protection, and adopt equipotential principle to design, can the circuit by lightning protection device be played a protective role without the need to Special lightning protection ground connection; Meanwhile, be welded in terminal on wiring board and lightning protection device main body separable, facilitate the replacing in later stage.
Description
Technical field
The utility model relates to lightning protection device technical field, more particularly, and the particularly pluggable embedded signal lightning protection device of one.
Background technology
Existing siganl thunder-proof device is adopt earial drainage principle to protect substantially; protection effect is directly related with lightning protection effect; and when installing near with protected equipment because internal Protection element exists certain response time; action at once releasing of energy can't be carried out when lightning induction arrives; just can be breakdown in advance time enough fast if any the response time of element in follow-up protected equipment; cause protecting unsuccessfully, reliability decrease.When installing far away with protected equipment, also easy concussion caused by resistance, inductance and electric capacity existing in circuit and cause protecting unsuccessfully.
Utility model content
The purpose of this utility model is the pluggable embedded signal lightning protection device providing a kind of reliability high.
In order to solve problem set forth above, the technical solution adopted in the utility model is: a kind of pluggable embedded signal lightning protection device, comprise lightning protection device main body, be located at the protection wiring board in lightning protection device main body, be located at the protection circuit on protection wiring board, and the first pluggable pin head J be located in lightning protection device main body and the second pluggable pin head K, described first pluggable pin head J is connected with protection circuit, described second pluggable pin head K and protected equipment connection;
Described protection circuit comprises gas discharge tube GDT, high-speed rectifier pipe D, Transient Suppression Diode TVS, first and second current-limiting resistance R1, R2; Each signal circuit is connected with equipment zero-potential point with described Transient Suppression Diode TVS respectively by described gas discharge tube GDT, described first current-limiting resistance R1 is connected between gas discharge tube GDT and Transient Suppression Diode TVS, and described second current-limiting resistance R2 is connected between the output plug-in type pin of Transient Suppression Diode TVS and protection circuit; Described high-speed rectifier pipe D becomes star-like with gas discharge tube GDT and is connected.
According to a preferred embodiment of the present utility model: adopt shell fragment to contact between described first pluggable pin head J and the second pluggable pin head K.
According to a preferred embodiment of the present utility model: described high-speed rectifier pipe D adopts full-bridge rectification formula rectifying tube.
Compared with prior art, the beneficial effects of the utility model are: pluggable embedded signal lightning protection device of the present utility model, can directly be installed on device line plate, and internal wiring adopts not parallel wiring rule, allow parasitic capacitance between line reduce, thus improve data-signal transmission performance; By the perfect adaptation of high-speed rectifier bridge and Transient Suppression Diode TVS, the protection mode of signal line is made to become common, differential mode protected mode, i.e. full mould protection, and adopt equipotential principle to design, can the circuit by lightning protection device be played a protective role without the need to Special lightning protection ground connection; Meanwhile, be welded in terminal on wiring board and lightning protection device main body separable, facilitate the replacing in later stage.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the circuit diagram of pluggable embedded signal lightning protection device of the present utility model.
Fig. 2 is the structure chart of pluggable embedded signal lightning protection device of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection range of the present utility model.
Consult shown in Fig. 1 and Fig. 2; the pluggable embedded signal lightning protection device of the one that the utility model provides; comprise lightning protection device main body; be located at the protection wiring board in lightning protection device main body; be located at the protection circuit on protection wiring board; and the first pluggable pin head J be located in lightning protection device main body and the second pluggable pin head K, the described first pluggable pin head J is connected with protection circuit, the described second pluggable pin head K and protected equipment connection.
Described protection circuit comprises gas discharge tube GDT, high-speed rectifier pipe D, Transient Suppression Diode TVS, first and second current-limiting resistance R1, R2; Each signal circuit is connected with equipment zero-potential point with described Transient Suppression Diode TVS respectively by described gas discharge tube GDT, the first described current-limiting resistance R1 is connected between gas discharge tube GDT and Transient Suppression Diode TVS, and the second described current-limiting resistance R2 is connected between the output plug-in type pin of Transient Suppression Diode TVS and protection circuit; Described high-speed rectifier pipe D becomes star-like with gas discharge tube GDT and is connected.
Principle of the present utility model is: when lightning induction is by lightning protection device, lightning protection device protects follow-up equipment by equipotential mode, first by the Transient Suppression Diode TVS action of fast response time, the first current-limiting resistance R1 two ends are caused to have voltage, at this moment the voltage at gas discharge tube GDT two ends is the voltage sum at the first current-limiting resistance R1 and Transient Suppression Diode TVS two ends, configure corresponding components and parts, gas discharge tube GDT is made to reach puncture voltage, macro-energy carries out equipotential pressure limiting preliminary between equipment zero-potential point by first order gas discharge tube, accurate equipotential pressure limiting between equipment zero-potential point is carried out by second level Transient Suppression Diode TVS, the second current-limiting resistance R2 is in series with between Transient Suppression Diode TVS and output plug-in type pin, the protection caused because of element responds underspeed is prevented to lose efficacy, thus proterctive equipment, and the full-bridge rectification formula rectifying tube that the rectifying tube in circuit designs, main purpose plays the effect reducing parasitic capacitance and be connected with conductive line line.
Adopt shell fragment to contact between described in the utility model first pluggable pin head J and the second pluggable pin head K, greatly facilitate the replacement of products after lightning protection device damage in the future and maintenance.
The advantage of siganl thunder-proof device of the present utility model is: the utility model can directly be installed on device line plate, and internal wiring adopts not parallel wiring rule, allows parasitic capacitance between line reduce, thus improves data-signal transmission performance; By the perfect adaptation of high-speed rectifier bridge and Transient Suppression Diode TVS, the protection mode of signal line is made to become common, differential mode protected mode, i.e. full mould protection, and adopt equipotential principle to design, can the circuit by lightning protection device be played a protective role without the need to Special lightning protection ground connection; Meanwhile, be welded in terminal on wiring board and lightning protection device main body separable, facilitate the replacing in later stage.
Above-described embodiment is the utility model preferably execution mode; but execution mode of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection range of the present utility model.
Claims (3)
1. a pluggable embedded signal lightning protection device, it is characterized in that: comprise lightning protection device main body, be located at the protection wiring board in lightning protection device main body, be located at the protection circuit on protection wiring board, and the first pluggable pin head J be located in lightning protection device main body and the second pluggable pin head K, described first pluggable pin head J is connected with protection circuit, described second pluggable pin head K and protected equipment connection;
Described protection circuit comprises gas discharge tube GDT, high-speed rectifier pipe D, Transient Suppression Diode TVS, first and second current-limiting resistance R1, R2; Each signal circuit is connected with equipment zero-potential point with described Transient Suppression Diode TVS respectively by described gas discharge tube GDT, described first current-limiting resistance R1 is connected between gas discharge tube GDT and Transient Suppression Diode TVS, and described second current-limiting resistance R2 is connected between the output plug-in type pin of Transient Suppression Diode TVS and protection circuit; Described high-speed rectifier pipe D becomes star-like with gas discharge tube GDT and is connected.
2. pluggable embedded signal lightning protection device according to claim 1, is characterized in that: adopt shell fragment to contact between described first pluggable pin head J and the second pluggable pin head K.
3. pluggable embedded signal lightning protection device according to claim 1, is characterized in that: described high-speed rectifier pipe D adopts full-bridge rectification formula rectifying tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420483171.XU CN204167903U (en) | 2014-08-25 | 2014-08-25 | A kind of pluggable embedded signal lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420483171.XU CN204167903U (en) | 2014-08-25 | 2014-08-25 | A kind of pluggable embedded signal lightning protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204167903U true CN204167903U (en) | 2015-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420483171.XU Expired - Fee Related CN204167903U (en) | 2014-08-25 | 2014-08-25 | A kind of pluggable embedded signal lightning protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204167903U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112383038A (en) * | 2020-10-30 | 2021-02-19 | 天津航空机电有限公司 | Bridge type TVS lightning protection circuit suitable for CAN bus |
-
2014
- 2014-08-25 CN CN201420483171.XU patent/CN204167903U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112383038A (en) * | 2020-10-30 | 2021-02-19 | 天津航空机电有限公司 | Bridge type TVS lightning protection circuit suitable for CAN bus |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 |