CN104953573A - Special lightning protection device for villa - Google Patents
Special lightning protection device for villa Download PDFInfo
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- CN104953573A CN104953573A CN201410115097.0A CN201410115097A CN104953573A CN 104953573 A CN104953573 A CN 104953573A CN 201410115097 A CN201410115097 A CN 201410115097A CN 104953573 A CN104953573 A CN 104953573A
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Abstract
The invention provides a special lightning protection device for a villa. The lightning protection device at least includes a lightning protection circuit of an AC power source, a cabled TV, a broadband network and a telephone. The lightning protection circuit of the AC power source, the cabled TV, the broadband network and the telephone are integrated on one circuit board. The special lightning protection device has high anti-interference capability and is low in signal interface insertion loss, high in anti-impact voltage and good in lightning protection effect. Only one special lightning protection device instead of lightning protection devices with different interfaces for different devices in the villa is needed for meeting lightning protection requirement. The special lightning protection device has characteristics of being small in size, easy to mount and high in protection level and is suitable for villa use and regular domestic use.
Description
Technical field
The present invention discloses a kind of lightning protection device, particularly a kind of villa Special lightning protection device.
Background technology
Along with the progress of society; household electrical appliance kind gets more and more; attaching plug can not be pulled up after most people custom equipment use is complete; the cable TV plug of television set can not be pulled up, after also can not having made a call, telephone line plug is transferred to, more the netting twine of online can not be transferred to; in today that weather environment day by day worsens; equipment keeps charged holding state always, and exist quite high by thunderbolt risk at thunderstorm season, especially some equipment are encountered when thundering and may be blasted; Lightning protection device is on the market substantially all function singleness, degree of protection is lower, interface Insertion Loss rate is higher, the demand of more, the expensive villa user of electric equipment quantity possibility cannot be met, for eliminating safe hidden trouble, lightning protection higher grade lightning protection device that is, that can meet outside line input interface is social widespread demand.
Summary of the invention
For the problems referred to above that prior art exists, the invention provides a kind of lightning protection device simultaneously with power supply AC220V interface, broadband RJ45 network interface, phone RJ11 interface, RF radio frequency interface, there is good lightning protection effect.
For achieving the above object, the present invention has power supply AC220V interface lightning protection circuit, broadband RJ45 network interface lightning protection circuit, phone RJ11 connect that lightning protection circuit is unified to be integrated in a lightning protection circuit, has volume less, installs more convenient.
AC220 power line entrance is connected in series fuse FUSE1 and FUSE2 respectively; Meet golden Genus oxide voltage-sensitive resistance MOV1 and ceramic discharge tube GDT1 and form first order surge protection between two power lines; surge current is tentatively reduced; piezo-resistance MOV2 and ceramic discharge tube GDT2, piezo-resistance MOV3 and ceramic discharge tube GDT3 form common mode safe secondary protection circuit; surge current is reduced further; form coupling circuit through inductance coil L1 and inductance coil L2 to form third level protection circuit to absorb and ground connection is discharged by recovering TVS1, surge current is controlled in rational scope.
Meet ceramic discharge tube GDT4 and form first order carrying out surge protection between RJ45 network interface transmit port TX+, TX-holding wire, surge current is tentatively reduced, TVS2, TVS3 is adopted to form the second level carrying out surge protection of common-mode circuit between transmit port TX+, TX-holding wire, surge current is reduced further, through the third level protection of PTC1, PTC2 composition, be coupled with the common mode of TVS4, TVS5 again, the common-mode circuit of TVS4, TVS5 carries out fourth stage surge protection, surge current is further reduced, interference signal that is external or that induct is absorbed simultaneously; Meet ceramic discharge tube GDT5 and form first order carrying out surge protection between RJ45 network interface receiving port RX+, RX-holding wire, surge current is tentatively reduced, adopt TVS6, TVS7 to form the second level carrying out surge protection of common-mode circuit between transmit port TX+, TX-holding wire, surge current is reduced further; Third level protection is formed through PTC1, PTC2; be coupled with the common mode of TVS4, TVS5, then be coupled with the common mode of TVS8, TVS9, the common-mode circuit of TVS8, TVS9 carries out fourth stage surge protection; surge current is further reduced, interference signal that is external or that induct is absorbed simultaneously.
Cable TV is with connecing ceramic discharge tube GDT6 common-mode circuit form composition first order carrying out surge protection between radiofrequency signal interface unlike signal line, surging signal higher for intensity is tentatively reduced, second level surge protection is carried out in coupling through TVS10 and R1, R2, surge current is reduced, third level protection is carried out in the common mode coupling of TVS11, TVS12, surge current is significantly weakened, carries out fourth stage carrying out surge protection finally by TVS13, make surge current control in rational scope; C1, C2 is adopted to carry out decoupling filtering over the ground.
Input port between phone RJ11 holding wire also connects ceramic discharge tube GDT7 composition first order carrying out surge protection, surge current is reduced, PTC5, PTC6 second level carrying out surge protection is connected in series respectively between holding wire, TVS14, TVS15 between holding wire form common mode third level carrying out surge protection, external surging signal is reduced further, R3, R4 of serial connection are that TVS13, TVS14 form common mode coupling, adopt TVS16 as fourth stage carrying out surge protection, control surging signal in rational scope between holding wire.
Use Special lightning protection device structure of the present invention simple, multiport lightning protection is integrated in one, and the little easy installation of volume, shock resistance voltage is high, and lightning protection effect is good, and cost is lower.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Accompanying drawing explanation
Fig. 1 is circuit of the present invention is power protection schematic diagram.
Fig. 2 is circuit of the present invention is RJ45 protection philosophy figure.
Fig. 3 is circuit of the present invention is cable TV RF circuitry protection philosophy figure.
Fig. 4 is Circuit Telephone RJ11 protective circuit figure of the present invention.
Fig. 5 is the structure chart of circuit of the present invention.
Embodiment
The present embodiment is the preferred embodiment for the present invention, and other its principles all are identical with the present embodiment or akin with basic structure, be no matter part or all of circuit all within the scope of the present invention.
The present embodiment comprises housing, input and output, wherein, circuit board is provided with in housing, lightning protection device comprises AC power, cable TV, broadband network, phone, the AC power AC220V interface comprised, cable TV radio frequency interface, broadband network RJ45 interface, phone RJ11 interface and be incorporated on a circuit board, Fig. 5 is circuit system structure chart.
In the present embodiment, a kind of villa Special lightning protection device, described lightning protection device comprises AC power, cable TV, broadband network, phone, the AC power AC220V interface comprised, cable TV radio frequency interface, broadband network RJ45 interface, phone RJ11 interface and be incorporated on a circuit board; It is characterized in that, circuit devcie comprises protective tube FUSE, transient diode TVS, ceramic discharge tube GDT, piezo-resistance MOV, positive temperature thermistor PTC, inductance coil L, coupling resistance R.
In the present embodiment, lightning protection circuit Fig. 1, described lightning protection device AC220 power line entrance is connected in series fuse FUSE1 and FUSE2 respectively; Meet piezo-resistance MOV1 and ceramic discharge tube GDT1 forms first order surge protection between two power lines, piezo-resistance MOV2 and ceramic discharge tube GDT2, piezo-resistance MOV3 and ceramic discharge tube GDT3 form common mode safe secondary protection circuit; It is characterized in that, inductance coil L1 and inductance coil L2 forms coupling circuit; It is characterized in that, adopt transient diode TVS1 to form third level protection circuit.
In the present embodiment, lightning protection circuit Fig. 2, meet ceramic discharge tube GDT4 and form first order carrying out surge protection between described lightning protection device RJ45 network interface transmit port TX+, TX-holding wire, it is characterized in that, between transmit port TX+, TX-holding wire, adopt TVS2, TVS3 to form the second level carrying out surge protection of common-mode circuit; It is characterized in that, adopt PTC1, PTC2 to form third level protection, and be coupled as the common mode of TVS4, TVS5; It is characterized in that, adopt the common-mode circuit of TVS4, TVS5 to carry out fourth stage surge protection; Meet ceramic discharge tube GDT5 and form first order carrying out surge protection between RJ45 network interface receiving port RX+, RX-holding wire, it is characterized in that, between transmit port TX+, TX-holding wire, adopt TVS6, TVS7 to form the second level carrying out surge protection of common-mode circuit; It is characterized in that, adopt PTC1, PTC2 to form third level protection, and be coupled as the common mode of TVS8, TVS9; It is characterized in that, adopt the common-mode circuit of TVS8, TVS9 to carry out fourth stage surge protection.
In the present embodiment, lightning protection circuit Fig. 3, described lightning protection device cable TV is with connecing ceramic discharge tube GDT6 common-mode circuit form composition first order carrying out surge protection between radiofrequency signal interface unlike signal line; It is characterized in that, adopt R1, R2 coupling TVS10 to carry out second level surge protection; It is characterized in that, adopt the coupling of the common mode of TVS11, TVS12 to carry out third level protection; It is characterized in that, adopt TVS13 to carry out fourth stage carrying out surge protection; It is characterized in that, output adopts C1, C2 to carry out over the ground moving back lotus root filtering.
In the present embodiment, lightning protection circuit Fig. 4, input port between described lightning protection device phone RJ11 holding wire also connects ceramic discharge tube GDT7 composition first order carrying out surge protection; It is characterized in that, between holding wire, be connected in series PTC5, PTC6 second level carrying out surge protection respectively; It is characterized in that, between holding wire, adopt TVS14, TVS15 to form common mode third level carrying out surge protection; It is characterized in that, adopt serial connection R3, R4 to form common mode coupling as TVS13, TVS14; It is characterized in that, between holding wire, adopt TVS16 as fourth stage carrying out surge protection.
Claims (5)
1. a villa Special lightning protection device, it is characterized in that, described lightning protection device comprises AC power, cable TV, broadband network, phone, comprises AC power AC220V interface, cable TV radio frequency interface, broadband network RJ45 interface, phone RJ11 interface is incorporated into inside a circuit and on a circuit board; It is characterized in that, circuit devcie comprises protective tube FUSE, transient diode TVS, ceramic discharge tube GDT, piezo-resistance MOV, positive temperature thermistor PTC, inductance coil L, coupling resistance R.
2. according to claim 1, lightning protection circuit Fig. 1, is characterized in that, AC220 power line entrance is connected in series fuse FUSE1 and FUSE2 respectively; Meet piezo-resistance MOV1 and ceramic discharge tube GDT1 forms first order surge protection between two power lines, piezo-resistance MOV2 and ceramic discharge tube GDT2, piezo-resistance MOV3 and ceramic discharge tube GDT3 form common mode safe secondary protection circuit; It is characterized in that, inductance coil L1 and inductance coil L2 forms coupling circuit; It is characterized in that, adopt transient diode TVS1 to form third level protection circuit.
3. according to claim 1, lightning protection circuit Fig. 2, it is characterized in that, meet ceramic discharge tube GDT4 and form first order carrying out surge protection between RJ45 network interface transmit port TX+, TX-holding wire, it is characterized in that, between transmit port TX+, TX-holding wire, adopt TVS2, TVS3 to form the second level carrying out surge protection of common-mode circuit; It is characterized in that, adopt the common-mode circuit of TVS4, TVS5 to carry out fourth stage surge protection, it is characterized in that, adopt PTC1, PTC2 to be coupled as the common mode of TVS4, TVS5; It is characterized in that, meet ceramic discharge tube GDT5 and form first order carrying out surge protection between RJ45 network interface receiving port RX+, RX-holding wire, it is characterized in that, between transmit port TX+, TX-holding wire, adopt TVS6, TVS7 to form the second level carrying out surge protection of common-mode circuit; It is characterized in that, adopt PTC1, PTC2 to be coupled as the common mode of TVS8, TVS9, the common-mode circuit of TVS8, TVS9 carries out fourth stage surge protection.
4. according to claim 1, lightning protection circuit Fig. 3, is characterized in that, cable TV is with connecing ceramic discharge tube GDT6 common-mode circuit form composition first order carrying out surge protection between radiofrequency signal interface unlike signal line; It is characterized in that, adopt R1, R2 coupling TVS10 to carry out second level surge protection; It is characterized in that, adopt the coupling of the common mode of TVS11, TVS12 to carry out third level protection; It is characterized in that, adopt TVS13 to carry out fourth stage carrying out surge protection; It is characterized in that, output adopts C1, C2 to carry out signal coupling over the ground.
5. according to claim 1, lightning protection circuit Fig. 4, is characterized in that, input port between phone RJ11 holding wire also connects ceramic discharge tube GDT7 composition first order carrying out surge protection; It is characterized in that, between holding wire, be connected in series PTC5, PTC6 second level carrying out surge protection respectively; It is characterized in that, between holding wire, adopt TVS14, TVS15 to form common mode third level carrying out surge protection; It is characterized in that, adopt serial connection R3, R4 to form common mode coupling as TVS14, TVS15; It is characterized in that, between holding wire, adopt TVS16 as fourth stage carrying out surge protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410115097.0A CN104953573A (en) | 2014-03-26 | 2014-03-26 | Special lightning protection device for villa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410115097.0A CN104953573A (en) | 2014-03-26 | 2014-03-26 | Special lightning protection device for villa |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104953573A true CN104953573A (en) | 2015-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410115097.0A Pending CN104953573A (en) | 2014-03-26 | 2014-03-26 | Special lightning protection device for villa |
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| CN (1) | CN104953573A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299703A (en) * | 2019-07-29 | 2019-10-01 | 南京市特种设备安全监督检验研究院 | A kind of lightning surge protection circuit of elevator door-motor |
| CN110739673A (en) * | 2018-07-20 | 2020-01-31 | 硕天科技股份有限公司 | Surge protection device |
| CN111525528A (en) * | 2020-06-03 | 2020-08-11 | 深圳市速联技术有限公司 | Radio frequency signal thunder and lightning electromagnetic pulse multistage bidirectional protection device |
| CN111525527A (en) * | 2020-06-03 | 2020-08-11 | 深圳市速联技术有限公司 | Radio frequency signal thunder and lightning electromagnetic pulse protection device |
-
2014
- 2014-03-26 CN CN201410115097.0A patent/CN104953573A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110739673A (en) * | 2018-07-20 | 2020-01-31 | 硕天科技股份有限公司 | Surge protection device |
| CN110739673B (en) * | 2018-07-20 | 2021-12-14 | 硕天科技股份有限公司 | Surge protection device |
| CN110299703A (en) * | 2019-07-29 | 2019-10-01 | 南京市特种设备安全监督检验研究院 | A kind of lightning surge protection circuit of elevator door-motor |
| CN111525528A (en) * | 2020-06-03 | 2020-08-11 | 深圳市速联技术有限公司 | Radio frequency signal thunder and lightning electromagnetic pulse multistage bidirectional protection device |
| CN111525527A (en) * | 2020-06-03 | 2020-08-11 | 深圳市速联技术有限公司 | Radio frequency signal thunder and lightning electromagnetic pulse protection device |
| CN111525528B (en) * | 2020-06-03 | 2023-03-21 | 深圳市速联技术有限公司 | Radio frequency signal thunder and lightning electromagnetic pulse multistage bidirectional protection device |
| CN111525527B (en) * | 2020-06-03 | 2023-03-21 | 深圳市速联技术有限公司 | Radio frequency signal thunder and lightning electromagnetic pulse protection device |
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Application publication date: 20150930 |
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| WD01 | Invention patent application deemed withdrawn after publication |