CN203895972U - Two-in-one lightning protection protector suitable for SDI transmission system - Google Patents
Two-in-one lightning protection protector suitable for SDI transmission system Download PDFInfo
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- CN203895972U CN203895972U CN201420267484.1U CN201420267484U CN203895972U CN 203895972 U CN203895972 U CN 203895972U CN 201420267484 U CN201420267484 U CN 201420267484U CN 203895972 U CN203895972 U CN 203895972U
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- sdi
- power supply
- protection module
- zero line
- transmission system
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Abstract
The utility model discloses a two-in-one lightning protection protector suitable for a SDI transmission system. A power pre-stage protection module is connected between a power input firing line end and a zero line end. A power post-stage protection module is connected between a power output firing line end and the zero line end. A first decoupling module is connected in series between the power input firing line end and the power output firing line end. A second decoupling module is connected in series between the power input zero line end and the power output zero line end. A signal pre-stage protection module is connected between a SDI signal input end and a SDI ground end. A signal post-stage protection module is connected between a SDI signal output end and the SDI ground end. A third decoupling module is connected in series between the SDI signal input end and the SDI signal output end. A ground protection module is connected between the SDI ground end and the ground. The two-in-one lightning protection protector is superior in transmission performance, completely satisfying performance of high-speed transmission speed and multiple signal carrier transmission of SDI. The protector has a plurality of stages of protection, lightning protection effect is good, and can perform lightning protection on the SDI transmission system and a power supply system thereof.
Description
Technical field
The utility model relates to anti-lightening protector, relates in particular to a kind of two-in-one anti-lightening protector that SDI transmission system and its electric power system are protected.
Background technology
The lightning protection of high speed signal SDI transmission system is to follow universal, the development of modern electronic technology, information technology and the newborn 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 message transmitting procedure; siganl thunder-proof device is also had higher requirement simultaneously, and protective capability is strong, simple and reliable for structure, be convenient to safeguard etc. possesses equal importance with transmission characteristic.
So develop a kind of can be simultaneously to SDI transmission system and electric power system protect and there is multistage protection, the good anti-lightening protector of lightning protection effect is the technical task of needing in the industry solution badly.
Utility model content
The utility model is the problems referred to above that will solve prior art, proposes a kind of two-in-one anti-lightening protector of the SDI of being applicable to transmission system.
For solving the problems of the technologies described above, the technical scheme the utility model proposes is the two-in-one anti-lightening protector of a kind of SDI of being applicable to transmission system of design, comprise power supply input live wire end and zero line side, power supply output live wire end and zero line side, sdi signal input, sdi signal output, SDI ground end, described power supply output live wire end is connected SDI equipment with zero line side and sdi signal output with SDI ground end, between power supply input live wire end and zero line side, connect power supply prime protection module, between power supply output live wire end and zero line side, connect power supply rear class protection module, at power supply input live wire end, export between live wire end and be connected in series the first decoupling module with power supply, at power supply input zero line side, export between zero line side and be connected in series the second decoupling module with power supply, sdi signal input and SDI be connected between holding signal prime protection module, sdi signal output and SDI be connected signal rear class protection module between holding, between sdi signal input and sdi signal output, be connected in series the 3rd decoupling module, SDI hold with ground between be connected protection module over the ground.
Described power supply prime protection module comprises that the first temperature safety tube, the second temperature safety tube, the first piezo-resistance, the second piezo-resistance, the first gap discharge pipe, the second gap discharge pipe form, wherein the first temperature safety tube, the first piezo-resistance and the first gap discharge pipe are connected between power supply input live wire end and ground successively, and the second temperature safety tube, the second piezo-resistance and the second gap discharge pipe are connected between power supply input zero line side and ground successively.
Described power supply rear class protection module adopts the first Transient Voltage Suppressor.
Described the first decoupling module adopts the first inductance, and the second decoupling module adopts the second inductance.
Described signal prime protection module adopts third space discharge tube.
Described signal rear class protection module adopts the second Transient Voltage Suppressor.
Described the 3rd decoupling module adopts the first resistance.
Described protection module over the ground adopts the 4th gap discharge pipe.
The utility model, in conjunction with SDI technology and shocking preventing technology, provides highly reliable high speed signal lightning protection device, has following features: 1, rationally, transmission performance is superior meets the performances such as SDI high-speed transfer speed, multiple signal carrier transmission completely in planning.After mounted with lightning protection device, still can meet system transmission requirement.2, have multistage protection, lightning protection effect is better, guarantees system safety operation.3, the utility model combines power supply and sdi signal lightning protection effectively, is user-friendly to.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the utility model preferred embodiment;
Fig. 2 is the circuit diagram of the utility model preferred embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is described in further detail.Should be appreciated that specific embodiment described herein is only for explaining the utility model, and be not used in restriction the utility model.
The utility model has disclosed a kind of two-in-one anti-lightening protector of the SDI of being applicable to transmission system, referring to Fig. 1, it comprises power supply input live wire end and zero line side, power supply output live wire end and zero line side, sdi signal input, sdi signal output, SDI ground end, described power supply output live wire end is connected SDI equipment with zero line side and sdi signal output with SDI ground end, between power supply input live wire end and zero line side, connect power supply prime protection module, between power supply output live wire end and zero line side, connect power supply rear class protection module, at power supply input live wire end, export between live wire end and be connected in series the first decoupling module with power supply, at power supply input zero line side, export between zero line side and be connected in series the second decoupling module with power supply, sdi signal input and SDI be connected between holding signal prime protection module, sdi signal output and SDI be connected signal rear class protection module between holding, between sdi signal input and sdi signal output, be connected in series the 3rd decoupling module, SDI hold with ground between be connected protection module over the ground.
The utility model has all been built the main bleed-off circuit of prime, middle decoupling level protective circuit, the accurate protective circuit of rear class in SDI transmission system and its electric power system.Power supply prime protection module and signal prime protection module are main protection, play the effect of release thunder and lightning and electromagnetic pulse.The first decoupling module, the second decoupling module, the 3rd decoupling module play suppressor pulse and time-lag action, guarantee to make front stage circuits action before the not breakdown damage of final stage protection circuit.
Referring to Fig. 2, in preferred embodiment, described power supply prime protection module comprises that the first temperature safety tube F1, the second temperature safety tube F2, the first piezo-resistance RV1, the second piezo-resistance RV2, the first gap discharge pipe G1, the second gap discharge pipe G2 form, wherein the first temperature safety tube, the first piezo-resistance and the first gap discharge pipe are connected between power supply input live wire end and ground successively, and the second temperature safety tube, the second piezo-resistance and the second gap discharge pipe are connected between power supply input zero line side and ground successively.This is main protection circuit, has guaranteed large through-flow releasing, and has also guaranteed that loop is without afterflow simultaneously.
Described power supply rear class protection module adopts the first Transient Voltage Suppressor TVS1.This is final stage protection.
Described the first decoupling module adopts the first inductance L 1, the second decoupling module to adopt the second inductance L 2.Play inhibition protective effect.
Referring to Fig. 2, in preferred embodiment, described signal prime protection module adopts third space discharge tube G3, guarantees large through-flow release and without afterflow.
Described signal rear class protection module adopts the second Transient Voltage Suppressor TVS2, plays the end protective effect of releasing, and residual voltage is met the requirements.
Described the 3rd decoupling module adopts the first resistance R 1, plays decoupling protective effect.
Described protection module over the ground adopts the 4th gap discharge pipe G4, rises and releases over the ground and the current potential interference effect of playing a reversed role isolator.
It may be noted that the zero line (PE line) in circuit must reliably be connected with earth mat.
Above embodiment is only for illustrating, non-providing constraints.Anyly do not depart from the application's spirit and category, and the equivalent modifications that it is carried out or change all should be contained among the application's claim scope.
Claims (8)
1. a two-in-one anti-lightening protector that is applicable to SDI transmission system; comprise power supply input live wire end and zero line side, power supply output live wire end and zero line side, sdi signal input, sdi signal output, hold SDI; described power supply output live wire end is connected SDI equipment with zero line side and sdi signal output with SDI ground end, it is characterized in that:
Connecting power supply prime protection module between power supply input live wire end and zero line side, between power supply output live wire end and zero line side, connecting power supply rear class protection module, between power supply input live wire end and power supply output live wire end, be connected in series the first decoupling module, at power supply input zero line side, export between zero line side and be connected in series the second decoupling module with power supply;
Sdi signal input and SDI be connected between holding signal prime protection module, sdi signal output and SDI be connected signal rear class protection module between holding, between sdi signal input and sdi signal output, be connected in series the 3rd decoupling module, SDI hold with ground between be connected protection module over the ground.
2. the two-in-one anti-lightening protector that is applicable to SDI transmission system as claimed in claim 1, it is characterized in that: described power supply prime protection module comprises the first temperature safety tube (F1), the second temperature safety tube (F2), the first piezo-resistance (RV1), the second piezo-resistance (RV2), the first gap discharge pipe (G1), the second gap discharge pipe (G2) forms, the first temperature safety tube wherein, the first piezo-resistance and the first gap discharge pipe are connected between power supply input live wire end and ground successively, the second temperature safety tube, the second piezo-resistance and the second gap discharge pipe are connected between power supply input zero line side and ground successively.
3. the two-in-one anti-lightening protector that is applicable to SDI transmission system as claimed in claim 2, is characterized in that: described power supply rear class protection module adopts the first Transient Voltage Suppressor (TVS1).
4. the two-in-one anti-lightening protector that is applicable to SDI transmission system as claimed in claim 3, is characterized in that: described the first decoupling module adopts the first inductance (L1), and the second decoupling module adopts the second inductance (L2).
5. the two-in-one anti-lightening protector that is applicable to SDI transmission system as claimed in claim 4, is characterized in that: described signal prime protection module adopts third space discharge tube (G3).
6. the two-in-one anti-lightening protector that is applicable to SDI transmission system as claimed in claim 5, is characterized in that: described signal rear class protection module adopts the second Transient Voltage Suppressor (TVS2).
7. the two-in-one anti-lightening protector that is applicable to SDI transmission system as claimed in claim 6, is characterized in that: described the 3rd decoupling module adopts the first resistance (R1).
8. the two-in-one anti-lightening protector that is applicable to SDI transmission system as claimed in claim 7, is characterized in that: described protection module over the ground adopts the 4th gap discharge pipe (G4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420267484.1U CN203895972U (en) | 2014-05-23 | 2014-05-23 | Two-in-one lightning protection protector suitable for SDI transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420267484.1U CN203895972U (en) | 2014-05-23 | 2014-05-23 | Two-in-one lightning protection protector suitable for SDI transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203895972U true CN203895972U (en) | 2014-10-22 |
Family
ID=51722328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420267484.1U Expired - Fee Related CN203895972U (en) | 2014-05-23 | 2014-05-23 | Two-in-one lightning protection protector suitable for SDI transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203895972U (en) |
-
2014
- 2014-05-23 CN CN201420267484.1U patent/CN203895972U/en not_active Expired - Fee Related
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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: 20141022 |