CN201061140Y - Single phase AC power supply line and signal circuit double protected lightning protection device - Google Patents
Single phase AC power supply line and signal circuit double protected lightning protection device Download PDFInfo
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- CN201061140Y CN201061140Y CNU2007201520051U CN200720152005U CN201061140Y CN 201061140 Y CN201061140 Y CN 201061140Y CN U2007201520051 U CNU2007201520051 U CN U2007201520051U CN 200720152005 U CN200720152005 U CN 200720152005U CN 201061140 Y CN201061140 Y CN 201061140Y
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- lightning protection
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- 230000002457 bidirectional effect Effects 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
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Abstract
The utility model relates to a lightning protection device with dual protection of a single phase alternating current power wire and a single wire, which comprises a casing, a single phase alternating current power wire lightning protection circuit and a single wire lightning protection circuit which are arranged in the casing, power input terminals L1 and N1, a ground terminal G1, power output terminals L2 and N2, and a ground terminal G2 which are arranged on the single phase alternating current power wire lightning protection circuit, wherein the ground terminal G1 of the power input terminals, the ground terminal G2 of the power output terminals, a ground terminal G3 of the power wire lightning protection circuit, and a ground terminal G4 of the single wire lightning protection circuit are connected together. The single wire lightning protection circuit can be a computer network lightning protection circuit, an ADSL wide band network lightning protection circuit, a telephone lightning protection circuit, a television high frequency lightning protection circuit, a video lightning protection circuit, an image pick-up monitoring signal lightning protection circuit, a data monitoring lightning protection circuit, or other circuits. The device realizes working earthing by utilizing the power without lightning protection earthing, is plug-and-play type, is very easily arranged, does not need engineering, and has the lightning protection, surge resistant and electrostatic preventing functions.
Description
Technical field
The utility model belongs to a kind of lightning protection device that is used for electronic equipment, especially refers to a kind of lightning protection device that single phase alternating current power supply circuit and the two protections of signal line are provided.
Background technology
Lightning protection device of the prior art mainly contains lightning protection device for electric power and signal lightning protection device two big classifications, generally all is independent separately the existence.To the lightning protection of electrical equipment such as computer, TV, phone, monitoring camera-shooting, lightning protection device for electric power and signal lightning protection device need be installed respectively, the installation requirement ground connection of lightning protection device, ground connection often run into inconvenience and difficulty, are unfavorable for practical application.
The utility model content
A purpose of the present utility model; be to solve weak point of the prior art; a kind of lightning protection device that single phase alternating current power supply line thunder protection and signal line lightning protection are become one is provided; utilize the single phase alternating current power supply working earthing and do not need to do in addition lightning protection; make it plug and play; installation is very easy to, and exempts from engineering, has the integrated lightning protection protective device of lightning protection, anti-surge and antistatic.
For achieving the above object; the lightning protection device of the two protections of single phase alternating current power supply circuit of the present utility model and signal line; comprise housing; be provided with single phase alternating current power supply line thunder protection circuit and signal line lightning protection circuit in the housing; single phase alternating current power supply line thunder protection circuit is provided with power input L1, N1 and earth terminal G1, power output end L2, N2 and earth terminal G2, and the earth terminal G3 of the earth terminal G1 of power input, the earth terminal G2 of power output end, power circuit lightning protection circuit and the earth terminal G4 of signal line lightning protection circuit link together.
Described single phase alternating current power supply line thunder protection circuit comprises: Thermal Cutoffs F, piezo-resistance RV1 and RV2, gas discharge tube C1, red luminotron LR, resistance R 1 and R2, rectifier diode J, Thermal Cutoffs F one end links to each other with output L2 with power input L1, the other end connects the RV1 in the piezo-resistance series network and the resistance R 1 of power work safety indicating circuit, the piezo-resistance series network is by RV1 and RV2 serial connection, and the RV2 other end connects power supply input N1 and output N2 end; RV1 is connected discharge tube C1 with the RV2 tie point, and the discharge tube C1 other end is connected with earth terminal G1.
When the overvoltage of generations such as thunder and lightning, surge, static enters the single phase alternating current power supply circuit; piezo-resistance reduces rapidly with the rising of surge voltage high sensitivity and non-linear its resistance that makes of voltage; surge current flows into the earth through piezo-resistance, gas discharge tube and earth terminal rapidly and discharges; surge voltage on the power circuit is reduced rapidly; reach the voltage range that electric equipment can bear, thus the safety of protection electric equipment.When thunder and lightning or surge through F, RV1, RV2, when the electric current that flows through is excessive, the piezo-resistance temperature raises, with piezo-resistance near the temperature of Thermal Cutoffs also increase, Thermal Cutoffs blows when rising to the transition temperature of fuse, avoids big electric current to continue to flow through piezo-resistance and causes that power supply short circuit causes the damage of electric power system and electric equipment.Thermal Cutoffs F blows, and the power work green indicating lamp extinguishes, and fault has taken place expression power circuit lightning protection device.
Described signal line lightning protection circuit can be: computer network lightning protection circuit, ADSL broadband network lightning protection circuit, phone lightning protection circuit, television high frequency lightning protection circuit, video lightning protection circuit, monitoring camera-shooting signal lighting protection circuit, data monitoring lightning protection circuit etc.
The signal line lightning protection circuit has one to three grade of lightning protection function; its first order is the release of thunder and lightning and surge; it is through gas discharge tube igniting discharge conducting; the voltage at gas discharge tube two ends is reduced rapidly; remaining voltage is through second level transient state diode; when residual voltage is higher than the puncture voltage of transient state diode; the transient state diode changes to low-resistance from high resistant; realize avalanche breakdown; and its both end voltage is clamped on its nominal value; voltage limit in the scope that protected electrical equipment can bear, is avoided thunder and lightning; surge; static enters damage electrical equipment through signal line.Signal line lightning protection circuit in the utility model; the third level that also has that has is protected; this third level protection is at its line output serial connection resettable fuse; when the electric current that flows through during greater than the breakover current of resettable fuse; the resistance of resettable fuse is non-linear rising; intercept big electric current and enter electrical equipment, further strengthen protection electrical equipment.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Fig. 2 is single phase alternating current power supply line thunder protection circuit theory diagrams of the present utility model.
Fig. 3 is a computer network lightning protection circuit schematic diagram of the present utility model.
Fig. 4 is a television high frequency lightning protection circuit schematic diagram of the present utility model.
Fig. 5 is an ADSL broadband network lightning protection circuit schematic diagram of the present utility model.
Fig. 6 is a monitoring camera-shooting signal lighting protection circuit schematic diagram of the present utility model.
Fig. 7 is a phone lightning protection circuit schematic diagram of the present utility model.
Fig. 8 is a data monitoring lightning protection circuit schematic diagram of the present utility model.
Embodiment
Fig. 1 is circuit theory diagrams of the present utility model.With reference to Fig. 1; the lightning protection device of the two protections of single phase alternating current power supply circuit of the present utility model and signal line; comprise housing; be provided with single phase alternating current power supply line thunder protection circuit 1 and signal line lightning protection circuit 2 in the housing; single phase alternating current power supply line thunder protection circuit 1 is provided with power input L1, N1 and earth terminal G1, power output end L2, N2 and earth terminal G2, and the earth terminal G3 of the earth terminal G1 of power input, the earth terminal G2 of power output end, power circuit lightning protection circuit and the earth terminal G4 of signal line lightning protection circuit 2 link together.
Fig. 2 is single phase alternating current power supply line thunder protection circuit theory diagrams of the present utility model.With reference to Fig. 2, single phase alternating current power supply line thunder protection circuit 1 comprises: Thermal Cutoffs F, piezo-resistance RV1, RV2, gas discharge tube C1, red luminotron LR, resistance R 1, R2, rectifier diode J.
Thermal Cutoffs F one end links to each other with output L2 with power input L1, the other end connects the RV1 in the piezo-resistance series network and the resistance R 1 of power work safety indicating circuit, the piezo-resistance series network is by RV1 and RV2 serial connection, and the RV2 other end connects power supply input N1 end and output N2 end; RV1 is connected discharge tube C1 with the RV2 point of contact, and the discharge tube C1 other end is connected with power ground end G1.Resistance R 1 other end connects the series circuit of rectifier diode J, red luminotron LR and resistance R 2 in the described power work safety indicating circuit, and the other end of resistance R 2 connects power supply input N1 and output N2 end.
Described signal line lightning protection circuit can be respectively: computer network lightning protection circuit, ADSL broadband network lightning protection circuit, phone lightning protection circuit, television high frequency lightning protection circuit, monitoring camera-shooting signal lighting protection circuit, data monitoring lightning protection circuit etc.
Referring to Fig. 3, the computer network lightning protection circuit comprises gas discharge tube C2, C3, resistance R 3, R4, fast recovery diode V1, V2, V3, V4, V5, V6, V7, V8, transient state diode Vs1, Vs2.Gas discharge tube C2 one end links to each other with signal input part I1, one end links to each other with input I2, gas discharge tube C2 interpole meets G4, and the clamped network that signal input part I1 connects resistance R 3 respectively and is made up of V1, V2, V3, V4, Vs1 is connected with signal output part Y1 again; Signal input part I2 connects aforesaid clamped network, is connected with signal output part Y2 again.Gas discharge tube C3 one end links to each other with signal input part I3, one end links to each other with input I4, gas discharge tube C3 interpole meets G4, and the clamped network that signal input part I3 connects resistance R 4 respectively and is made up of V5, V6, V7, V8, Vs2 is connected with signal output part Y3 again; Signal input part I4 connects aforesaid clamped network, is connected with signal output part Y4 again.
Referring to Fig. 4, the television high frequency lightning protection circuit comprises gas discharge diode C4.The end of C4 is connected with signal output part Y5 with signal input part I5, and the other end of C4 is connected with signal shielding line and TV signal lightning protection metallic shield box, and the metallic shield box is connected with earth terminal G4 again, and signal input output interface is installed high frequency UF joint.
Referring to Fig. 5, ADSL broadband network lightning protection circuit comprises C5, resistance R 5 and R6, fast recovery diode V9, V10, V11, V12, transient state diode Vs3.Gas discharge tube C5 one end links to each other with signal input part I6, one end links to each other with input I7, gas discharge tube C5 interpole meets G4, and the clamped network that signal input part I6 connects resistance R 5 respectively and is made up of V9, V10, V11, V12, Vs3 is connected with signal output part Y6 again.The clamped network that signal input part I7 connects resistance R 6 respectively and is made up of V9, V10, V11, V12, Vs3 is connected with signal output part Y7 again.
Referring to Fig. 6, the monitoring camera-shooting signal lighting protection circuit comprises gas discharge diode C6, C7, resistance R 7, transient state diode Vs4, Vs5, resettable fuse Rx1.The end of gas discharge two diode C6 links to each other with the signal input part I8 of video signal cable, connect resistance R 7 again, the other end of resistance R 7 connects negative pole and the resettable fuse Rx1 of transient state diode Vs4, and the resettable fuse Rx1 other end is connected with VT Y8.The positive pole of transient state diode Vs5 connects the positive pole of Vs4, and the negative pole of Vs5 connects the other end of signal input and output shielding conductor and gas discharge diode C6, a termination input and output shielding conductor and the metal shell of gas discharge diode C7, another termination G4.
Referring to Fig. 7, the phone lightning protection circuit comprises gas discharge triode C8, resistance R 8, R9, transient state bidirectional diode Vs6.Gas discharge tube C8 one end links to each other with signal input part I9, and an end links to each other with input I10, and gas discharge tube C8 interpole meets G4, and signal input part I9 is connected with signal output part Y9 by resistance R 8.Signal input part I10 is connected with signal output part Y10 by resistance R 9.Be connected transient state bidirectional diode Vs6 between Y9 and the Y10.
Referring to Fig. 8, the data monitoring lightning protection circuit comprises gas discharge triode C9 and diode C10, resistance R 10, R11, transient state bidirectional diode Vs7, Vs8, Vs9, resettable fuse Rx2, Rx3.Gas discharge tube C9 one end links to each other with signal input part I11, and an end links to each other with input I12, and gas discharge tube C9 interpole meets G4, and signal input part I11 connects resistance R 10, and signal input part I12 connects resistance R 11.The other end of R10 connects transient state bidirectional diode Vs7, Vs9 and resettable fuse Rx2, another termination signal output part Y11 of Rx2.The other end of R11 connects the other end and the resettable fuse Rx3 of transient state bidirectional diode Vs8 and Vs9, another termination signal output part Y12 of Rx3.The other end of transient state bidirectional diode Vs7 and Vs8 links to each other and welding system circuit shielding contact and gas discharge diode C10, another termination G4 of gas discharge diode C10.
This device case is provided with supply socket and plug, and socket and plug links to each other with the power circuit protective circuit, also is provided with corresponding signaling interface on the housing, and signaling interface links to each other with the signal line protective circuit.
Being the utility model preferred embodiment only in sum, is not to be used for limiting practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should belong to technology category of the present utility model.
Claims (2)
1. the lightning protection devices of the two protections of single phase alternating current power supply circuit and signal line; comprise housing; it is characterized in that: be provided with single phase alternating current power supply line thunder protection circuit and signal line lightning protection circuit in the housing; single phase alternating current power supply line thunder protection circuit is provided with power input L1, N1 and earth terminal G1, power output end L2, N2 and earth terminal G2, and the earth terminal G3 of the earth terminal G1 of power input, the earth terminal G2 of power output end, power circuit lightning protection circuit and the earth terminal G4 of signal line lightning protection circuit link together.
2. the lightning protection device of the two protections of single phase alternating current power supply circuit according to claim 1 and signal line, it is characterized in that: described single phase alternating current power supply line thunder protection circuit comprises: Thermal Cutoffs F, piezo-resistance RV1 and RV2, gas discharge tube C1, red luminotron LR, resistance R 1 and R2, rectifier diode J, Thermal Cutoffs F one end links to each other with output L2 with power input L1, the other end connects the RV1 in the piezo-resistance series network and the resistance R 1 of power work safety indicating circuit, the piezo-resistance series network is by RV1 and RV2 serial connection, and the RV2 other end connects power supply input N1 and output N2 end; RV1 is connected discharge tube C1 with the RV2 tie point, and the discharge tube C1 other end is connected with earth terminal G1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201520051U CN201061140Y (en) | 2007-06-21 | 2007-06-21 | Single phase AC power supply line and signal circuit double protected lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201520051U CN201061140Y (en) | 2007-06-21 | 2007-06-21 | Single phase AC power supply line and signal circuit double protected lightning protection device |
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| CN201061140Y true CN201061140Y (en) | 2008-05-14 |
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| CNU2007201520051U Expired - Fee Related CN201061140Y (en) | 2007-06-21 | 2007-06-21 | Single phase AC power supply line and signal circuit double protected lightning protection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101752861A (en) * | 2009-12-21 | 2010-06-23 | 浙江恒丰光电技术有限公司 | Power source surge protector |
| CN103996334A (en) * | 2014-05-27 | 2014-08-20 | 西安西元电子科技有限公司 | Showing and practical training device for network engineering electric lightning prevention |
| CN108696299A (en) * | 2017-04-12 | 2018-10-23 | 集邦联合制造股份有限公司 | Communication method and device constructed on power line |
-
2007
- 2007-06-21 CN CNU2007201520051U patent/CN201061140Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101752861A (en) * | 2009-12-21 | 2010-06-23 | 浙江恒丰光电技术有限公司 | Power source surge protector |
| CN103996334A (en) * | 2014-05-27 | 2014-08-20 | 西安西元电子科技有限公司 | Showing and practical training device for network engineering electric lightning prevention |
| CN108696299A (en) * | 2017-04-12 | 2018-10-23 | 集邦联合制造股份有限公司 | Communication method and device constructed on power line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUNAN AOMENG APPLIANCE CO., LTD. Free format text: FORMER OWNER: LAN KAIPING Effective date: 20110524 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jiang Haibo Inventor before: Lan Kaiping |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518000 66-604, YUANLING NEW VILLAGE, FUTIAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE TO: 521168 DAOZHOU INDUSTRIAL PARK, DAOXIAN COUNTY, HU NAN PROVINCE Free format text: CORRECT: INVENTOR; FROM: LAN KAIPING TO: JIANG HAIBO |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110524 Address after: 521168 Daoxian County state industrial zone, Hunan Patentee after: Hunan Aomeng Electricity Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Futian District Yuanling village 66-604 Patentee before: Lan Kaiping |
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| ASS | Succession or assignment of patent right |
Owner name: LAN KAIPING Free format text: FORMER OWNER: HUNAN AOMENG APPLIANCE CO., LTD. Effective date: 20110929 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lan Kaiping Inventor before: Jiang Haibo |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 521168 YONGZHOU, HUNAN PROVINCE TO: 518000 SHENZHEN, GUANGDONG PROVINCE Free format text: CORRECT: INVENTOR; FROM: JIANG HAIBO TO: LAN KAIPING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110929 Address after: 518000 Guangdong city of Shenzhen province Yuanling village 66-604 Patentee after: Lan Kaiping Address before: 521168 Daoxian County state industrial zone, Hunan Patentee before: Hunan Aomeng Electricity Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080514 Termination date: 20150621 |
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| EXPY | Termination of patent right or utility model |