CN203895971U - Three-in-one lightning protection device - Google Patents
Three-in-one lightning protection device Download PDFInfo
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- CN203895971U CN203895971U CN201420267464.4U CN201420267464U CN203895971U CN 203895971 U CN203895971 U CN 203895971U CN 201420267464 U CN201420267464 U CN 201420267464U CN 203895971 U CN203895971 U CN 203895971U
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- protection circuit
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- discharge tube
- gigabit network
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Abstract
The utility model discloses a three-in-one lightning protection device, comprising a power lightning protection circuit, a control signal lightning protection circuit, and a gigabit network signal lightning protection circuit. The power lightning protection circuit comprises a power pre-stage protection circuit, a power decoupling protection circuit, and a power post-stage protection circuit connected in sequence. The control signal lightning protection circuit comprises a control signal pre-stage protection circuit, a control signal decoupling protection circuit, and a control signal post-stage protection circuit connected in sequence. The gigabit network signal lightning protection circuit comprises a gigabit network signal pre-stage protection circuit, a gigabit network signal decoupling protection circuit, and a gigabit network signal post-stage protection circuit connected in sequence. Through arranging specific protection circuit structure and using specific matched models of components, the lightning protection device can still work normally under conditions of gigabit network signal transmission, so as to protect the whole transmission process of gigabit network signals.
Description
Technical field
The utility model relates to a kind of lightning protection device, is especially applicable to the three-in-one lightning arrester of gigabit network signal transmission.
Background technology
High speed signal lightning protection is to follow universal, the development of modern electronic technology, information technology and the newer industry that is derived.Birth and development along with new electronic component, the high speed development of electric power and information industry, electric power, railway, oil, communication, airport, national defence, finance etc. also present high speed development trend to the demand of meticulous lightning protection component, especially in high speed information transmitting procedure, siganl thunder-proof device is also had higher requirement simultaneously.Existing three-in-one lightning arrester generally can only be applied in the transmission of general networks signal, cannot meet the lightning protection needs of gigabit network signal transmission.
Therefore, how designing a kind of three-in-one lightning arrester that is applicable to gigabit network signal transmission is industry technical problem urgently to be resolved hurrily.
Utility model content
For solving the problems of the technologies described above, the utility model proposes a kind of three-in-one lightning arrester that is applicable to gigabit network signal transmission.
The technical solution adopted in the utility model is, design a kind of three-in-one lightning arrester, comprise: power lightning protection circuit, control signal lightning protection circuit and gigabit network signal lightning protection circuit, described power lightning protection circuit comprises: the power supply prime protection circuit, power supply decoupling protection circuit and the power supply rear class protection circuit that connect successively; Described control signal lightning protection circuit comprises: the control signal prime protection circuit, control signal decoupling protection circuit and the control signal rear class protection circuit that connect successively; Described gigabit network signal protection circuit comprises: the gigabit network signal prime protection circuit, gigabit network signal decoupling protection circuit and the gigabit network signal rear class protection circuit that connect successively.
Described power supply prime protection circuit comprises Thermal Cutoffs F1, F2, piezo-resistance RV1, RV2, discharge tube G1, G2, power supply decoupling protection circuit comprises inductance L 1, L2, power supply rear class protection circuit comprises Transient Suppression Diode TVS1, Thermal Cutoffs F1 first end is connected with power supply first input end, piezo-resistance RV1 two ends are series between Thermal Cutoffs F1 the second end and discharge tube G1 first end, Thermal Cutoffs F2 the second end is connected with power supply the second input, piezo-resistance RV2 two ends are series between Thermal Cutoffs F2 the second end and discharge tube G2 first end, inductance L 1 two ends are series at power supply first input end and Transient Suppression Diode TVS1 first end, inductance L 2 two ends are series at second source input and Transient Suppression Diode TVS the second end.
Control signal prime protection circuit comprises piezo-resistance RV3, RV4, discharge tube G3, G4, and control signal decoupling protection circuit comprises resistance R 1, R2, controls rear class protection circuit and comprises fast reaction diode D1, D2, Transient Suppression Diode TVS2; Discharge tube G3 first end is connected with control signal first input end, discharge tube G4 first end is connected with control signal the second input, resistance R 1 first end is connected with control signal first input end, resistance R 2 first ends are connected with control signal the second input, the second end is connected with Transient Suppression Diode TVS2 first end, and fast reaction diode D1, D2 reverse parallel connection are connected in resistance R 1 second end and Transient Suppression Diode TVS2 the second end.
Described gigabit network signal prime protection circuit comprises discharge tube G5 to G12, gigabit network signal decoupling protection circuit comprises resistor group R3 to R10, gigabit network signal rear class protection circuit comprises two groups of TVS chips 1, TVS chip 2, discharge tube group G5 to G12 first end is connected with 8 inputs of gigabit network signal respectively successively, resistance R 3 to R6 is connected between 4 inputs of kilomega network and TVS chip 1 successively, and resistance R 7 to R10 is connected between other 4 inputs of kilomega network and TVS chip 2 successively.
Described discharge tube G1 to G12 the second end ground connection concurrent equipotential connects.
Described discharge tube G1 to G12 adopts the discharge tube that model is 3R-90.
It is slvu2.8-4 low-capacitance TVS array that described TVS chip adopts model.
Compared with prior art; the utility model is by arranging specific protection circuit structure and selecting the specific suitable components and parts model of joining; the utility model still can normally be worked in the occasion of gigabit network signal transmission; thereby whole gigabit network signal transmitting procedure is protected; and possesses following characteristics: 1, rationally, transmission performance is superior in planning.The present invention selects high-quality lightning protection component, meets the performances such as gigabit network signal transmission rate, multiple signal carrier transmission completely.After mounted with lightning protection device, still can meet system transmission requirement.2, multistage protection, lightning protection effect is better.The present invention has designed three grades of protection altogether, and prime is the lightning current main channel of releasing, and middle is decoupling protection, and rear class is the accurate protection of end, and through three grades of protection Designs, the through-current capacity of lightning protection device can be higher, guarantees system safety operation.3, consider, be user-friendly to.The present invention combines power supply, control and gigabit network signal lightning protection effectively, is user-friendly to.
Accompanying drawing explanation
Below in conjunction with embodiment and accompanying drawing, the utility model is elaborated, wherein:
Fig. 1 is electrical schematic diagram of the present utility model;
Fig. 2 is circuit diagram of the present utility model.
Embodiment
As shown in Figure 1, the three-in-one lightning arrester the utility model proposes, comprise: power lightning protection circuit, control signal lightning protection circuit and gigabit network signal lightning protection circuit, power lightning protection circuit comprises: the power supply prime protection circuit, power supply decoupling protection circuit and the power supply rear class protection circuit that connect successively.Control signal lightning protection circuit comprises: the control signal prime protection circuit, control signal decoupling protection circuit and the control signal rear class protection circuit that connect successively.Gigabit network signal protection circuit comprises: the gigabit network signal prime protection circuit, gigabit network signal decoupling protection circuit and the gigabit network signal rear class protection circuit that connect successively.Power supply, control signal, gigabit network signal passage all adopt three grades of protection: prime protection is main protection, plays the effect of release thunder and lightning and electromagnetic pulse; Decoupling level plays suppressor pulse and time-lag action, guarantees to make front stage circuits action before the not breakdown damage of rear class protection circuit.
As shown in Figure 2, power supply prime protection circuit comprises Thermal Cutoffs F1, F2, piezo-resistance RV1, RV2, discharge tube G1, G2, power supply decoupling protection circuit comprises inductance L 1, L2, power supply rear class protection circuit comprises Transient Suppression Diode TVS1, Thermal Cutoffs F1 first end is connected with power supply first input end, piezo-resistance RV1 two ends are series between Thermal Cutoffs F1 the second end and discharge tube G1 first end, Thermal Cutoffs F2 the second end is connected with power supply the second input, piezo-resistance RV2 two ends are series between Thermal Cutoffs F2 the second end and discharge tube G2 first end, inductance L 1 two ends are series at power supply first input end and Transient Suppression Diode TVS1 first end, inductance L 2 two ends are series at second source input and Transient Suppression Diode TVS the second end.Wherein, by Thermal Cutoffs F1, F2 and piezo-resistance RV1, RV2 and discharge tube G1, G2, guarantee that loop is without afterflow, inductance L 1, L2 device play inhibition protective effect.
Control signal prime protection circuit comprises piezo-resistance RV3, RV4, discharge tube G3, G4, and control signal decoupling protection circuit comprises resistance R 1, R2, controls rear class protection circuit and comprises fast reaction diode D1, D2, Transient Suppression Diode TVS2; Discharge tube G3 first end is connected with control signal first input end, discharge tube G4 first end is connected with control signal the second input, resistance R 1 first end is connected with control signal first input end, resistance R 2 first ends are connected with control signal the second input, the second end is connected with Transient Suppression Diode TVS2 first end, and fast reaction diode D1, D2 reverse parallel connection are connected in resistance R 1 second end and Transient Suppression Diode TVS2 the second end.Wherein, piezo-resistance RV3, RV4 and discharge tube G3, G4 guarantee large through-flow release and loop without afterflow, resistance R 1, R2 play inhibition protective effect, fast reaction diode D1, D2 and Transient Suppression Diode TVS2 restriction residual voltage amplitude.
Gigabit network signal prime protection circuit comprises discharge tube G5 to G12, gigabit network signal decoupling protection circuit comprises resistor group R3 to R10, gigabit network signal rear class protection circuit comprises two groups of TVS chips 1, TVS chip 2, discharge tube group G5 to G12 first end is connected with 8 inputs of gigabit network signal respectively successively, resistance R 3 to R6 is connected between 4 inputs of kilomega network and TVS chip 1 successively, and resistance R 7 to R10 is connected between other 4 inputs of kilomega network and TVS chip 2 successively.Wherein, discharge tube G5, G6 guarantee large through-flow release and without afterflow, resistance R 3 plays decoupling protective effect, and the protective effect of releasing of 2 ends of TVS chip 1 and TVS chip, meets the requirements residual voltage, and discharge tube G6 plays isolator the current potential interference effect of playing a reversed role.
Discharge tube G1 to G12 the second end ground connection concurrent equipotential connects.Discharge tube G1 to G12 adopts the special-purpose discharge tube of high definition, and electric capacity is not more than 0.8pF, and its model is 3R-90.It is Wslvu2.8-4 low-capacitance TVS array that TVS chip adopts model.It is regular network RJ45 joint that gigabit network signal transfer connector adopts signal.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (3)
1. a three-in-one anti-lightening protector; it is characterized in that comprising: power lightning protection circuit, control lightning protection circuit and gigabit network signal lightning protection circuit; described power lightning protection circuit comprises: the power supply prime protection circuit, power supply decoupling protection circuit and the power supply rear class protection circuit that connect successively
Described power supply prime protection circuit comprises Thermal Cutoffs F1, F2, piezo-resistance RV1, RV2, discharge tube G1, G2, power supply decoupling protection circuit comprises inductance L 1, L2, power supply rear class protection circuit comprises Transient Suppression Diode TVS1, Thermal Cutoffs F1 first end is connected with power supply first input end, piezo-resistance RV1 two ends are series between Thermal Cutoffs F1 the second end and discharge tube G1 first end, Thermal Cutoffs F2 the second end is connected with power supply the second input, piezo-resistance RV2 two ends are series between Thermal Cutoffs F2 the second end and discharge tube G2 first end, inductance L 1 two ends are series at power supply first input end and Transient Suppression Diode TVS1 first end, inductance L 2 two ends are series at second source input and Transient Suppression Diode TVS the second end,
Described control signal lightning protection circuit comprises: the control signal prime protection circuit, control signal decoupling protection circuit and the control signal rear class protection circuit that connect successively, control signal prime protection circuit comprises piezo-resistance RV3, RV4, discharge tube G3, G4, control signal decoupling protection circuit comprises resistance R 1, R2, control rear class protection circuit and comprise fast reaction diode D1, D2, Transient Suppression Diode TVS2; Discharge tube G3 first end is connected with control signal first input end, discharge tube G4 first end is connected with control signal the second input, resistance R 1 first end is connected with control signal first input end, resistance R 2 first ends are connected with control signal the second input, the second end is connected with Transient Suppression Diode TVS2 first end, and fast reaction diode D1, D2 reverse parallel connection are connected in resistance R 1 second end and Transient Suppression Diode TVS2 the second end;
Described gigabit network signal protection circuit comprises: the gigabit network signal prime protection circuit connecting successively, gigabit network signal decoupling protection circuit and gigabit network signal rear class protection circuit, described gigabit network signal prime protection circuit comprises discharge tube G5 to G12, gigabit network signal decoupling protection circuit comprises resistor group R3 to R10, gigabit network signal rear class protection circuit comprises two groups of TVS chips 1, TVS chip 2, discharge tube group G5 to G12 first end is connected with 8 inputs of gigabit network signal respectively successively, resistance R 3 to R6 is connected between 4 inputs of kilomega network and TVS chip 1 successively, resistance R 7 to R10 is connected between other 4 inputs of kilomega network and TVS chip 2 successively,
Described discharge tube G1 to G12 the second end ground connection concurrent equipotential connects.
2. three-in-one anti-lightening protector as claimed in claim 1, is characterized in that, described discharge tube G1 to G12 adopts the discharge tube that model is 3R-90.
3. three-in-one anti-lightening protector as claimed in claim 1, is characterized in that, it is slvu2.8-4 low-capacitance TVS array that described TVS chip adopts model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420267464.4U CN203895971U (en) | 2014-05-23 | 2014-05-23 | Three-in-one lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420267464.4U CN203895971U (en) | 2014-05-23 | 2014-05-23 | Three-in-one lightning protection device |
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| Publication Number | Publication Date |
|---|---|
| CN203895971U true CN203895971U (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420267464.4U Expired - Fee Related CN203895971U (en) | 2014-05-23 | 2014-05-23 | Three-in-one lightning protection device |
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| CN (1) | CN203895971U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105281310A (en) * | 2014-07-14 | 2016-01-27 | 上海微通电子设备有限公司 | Thunder prevention method for outdoor monitoring system |
| CN105762783A (en) * | 2016-04-26 | 2016-07-13 | 黄建申 | Lightning protection device for gigabit network |
-
2014
- 2014-05-23 CN CN201420267464.4U patent/CN203895971U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105281310A (en) * | 2014-07-14 | 2016-01-27 | 上海微通电子设备有限公司 | Thunder prevention method for outdoor monitoring system |
| CN105762783A (en) * | 2016-04-26 | 2016-07-13 | 黄建申 | Lightning protection device for gigabit network |
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| 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: 20141022 |
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| CF01 | Termination of patent right due to non-payment of annual fee |