CN205489505U - Control lightning protection circuit and lightning protection device - Google Patents
Control lightning protection circuit and lightning protection device Download PDFInfo
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- CN205489505U CN205489505U CN201620168378.7U CN201620168378U CN205489505U CN 205489505 U CN205489505 U CN 205489505U CN 201620168378 U CN201620168378 U CN 201620168378U CN 205489505 U CN205489505 U CN 205489505U
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Abstract
The utility model discloses a control lightning protection circuit and lightning protection device, the lightning protection circuit includes six output interfaces of six input interfaces, first input interface connection gas discharge tube's input, and the earth connection is connected to gas discharge tube's output, and a transition resistance is connected simultaneously to first input interface, and the input that transient state suppresses the diode is connected to a transition resistance's the other end, and transient state suppresses the output of diode and connects first output interface, use znO varistor in the lightning protection circuit, response speed is fast, and the electric current loss is low. The shell of lightning protection device is metal casing, and the pilot lamp is located the shell top, and the earth connection is located the shell side, and metal casing all is connected with the ground connection thread, metal casing ground connection. The lightning protection device volume is less, and it is convenient to use.
Description
Technical field
This utility model relates to a kind of lightning protection device, particularly a kind of monitoring lightning protection circuit and lightning protection device.
Background technology
Along with the development of the level of information technology, computer and automatization constantly popularize, the resistance to voltage levels relatively power equipment of electronic equipment is lower, it is easier to damaged by Lightning Electromagnetic Pulse, and the economic loss caused is more and more heavier.
Traditional induced lightening preventer includes power source surge protector, signal Surge Protector, coaxial surge protector etc., is used in monitoring system, can effectively protect Lightning Electromagnetic Pulse.But in monitoring system, circuit is more (each position for video camera need walk at least both threads), and it is to be effectively protected monitoring system that every line arranges a Surge Protector, but Surge Protector more, and wiring engineering amount is bigger.The place more in position for video camera, connects up more complicated, and easily makes mistakes in wiring, thus causes unnecessary trouble.
Utility model content
This utility model is solved the technical problem that to be to provide a kind of monitoring lightning protection circuit and lightning protection device.
The technical solution realizing this utility model purpose is: a kind of monitoring lightning protection circuit, including the first input interface, the second input interface, the 3rd input interface, the 4th input interface, the 5th input interface, the 6th input interface, the first output interface, the second output interface, the 3rd output interface, the 4th output interface, the 5th output interface, the 6th output interface, earth bus；
First input interface connects the input of gas-discharge tube, the outfan of gas-discharge tube connects earth lead, first input interface is simultaneously connected with First Transition resistance, the other end of First Transition resistance connects the input of transient state suppression diode, and the outfan of transient state suppression diode connects the first output interface；
Second input interface connects the input of gas-discharge tube, the outfan of gas-discharge tube connects earth lead, second input interface is simultaneously connected with the second transition resistance, and the second transition resistance connects the input of transient state suppression diode, and the outfan of transient state suppression diode connects the second output interface；
3rd input interface connects the input of the second gas-discharge tube, the outfan of the second gas-discharge tube connects earth lead, 3rd input interface is simultaneously connected with the 3rd transition resistance, 3rd transition resistance connects the input of transient state suppression diode, and the outfan of transient state suppression diode connects the 3rd output interface；
4th input interface connects the input of the second gas-discharge tube, the outfan of the second gas-discharge tube connects earth lead, 4th input interface is simultaneously connected with the 4th transition resistance, 4th transition resistance connects the input of transient state suppression diode, and the outfan of transient state suppression diode connects the 4th output interface；
5th input interface connects the input of the second zinc oxide varistor, and the outfan of the second zinc oxide varistor connects earth bus, and the outfan of the second zinc oxide varistor is connected with the 5th output interface simultaneously；
6th input interface connects the input of the first zinc oxide varistor, and the outfan of the first zinc oxide varistor connects earth bus, and the outfan of the first zinc oxide varistor is connected with the 6th output interface simultaneously；The outfan of the first zinc oxide varistor and the outfan of the second zinc oxide varistor are directly connected to pilot bulb.
A kind of video monitoring lightning protector based on above-mentioned monitoring lightning protection circuit, BNC input interface connects the first input interface, the second input interface, and BNC output interface connects the first output interface, the second output interface；First power input interface connects the 5th input interface, and the first power output interface connects the 5th output interface, and second source input interface connects the 6th input interface, and second source output interface connects the 6th output interface.
A kind of network monitoring lightning protection device based on above-mentioned monitoring lightning protection circuit, network input RJ45 interface connects the first input interface, the second input interface, the 3rd input interface, the 4th input interface, and network output RJ45 interface connects the first output interface, the second output interface, the 3rd output interface, the 4th output interface；First power input interface connects the 5th input interface, and the first power output interface connects the 5th output interface, and second source input interface connects the 6th input interface, and second source output interface connects the 6th output interface.
Compared with prior art, its remarkable advantage is this utility model: 1) lightning protection device of the present utility model provides dissimilar interface for dissimilar photographic head, simplifies installation process, shortens wiring distance；2) using ZnO varistor sheet in arrester circuit of the present utility model, fast response time, current loss is low；BNC coaxial interface, insertion loss is low；3) in lightning protection device, signal section all uses electrical switch earthing mode, can effectively eliminate the various interference produced transmission signal because of common ground；4) lightning protection device small volume of the present utility model, easy to use, energy-saving and environmental protection, and residual voltage is low, and service life is long.
Below in conjunction with the accompanying drawings this utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of monitoring lightning protection circuit.
Fig. 2 is the structure chart of video monitoring lightning protector.
Fig. 3 is the structure chart of network monitoring lightning protection device.
Fig. 4 is the circuit diagram of video monitoring lightning protector.
Fig. 5 is the circuit diagram of network monitoring lightning protection device.
Detailed description of the invention
In conjunction with Fig. 1, a kind of monitoring lightning protection circuit, including the first input interface I1, the second input interface I2, the 3rd input
Interface I3, the 4th input interface I4, the 5th input interface I5, the 6th input interface I6, the first output interface O1, the second output interface O2, the 3rd output interface O3, the 4th output interface O4, the 5th output interface O5, the 6th output interface O6, earth bus PE；
First input interface I1 connects the input of gas-discharge tube Q1, the outfan of gas-discharge tube Q1 connects earth lead PE, first input interface I1 is simultaneously connected with First Transition resistance R1, the other end of First Transition resistance R1 connects the input of transient state suppression diode T1, and the outfan of transient state suppression diode T1 connects the first output interface O1；
Second input interface I2 connects the input of gas-discharge tube Q1, the outfan of gas-discharge tube Q1 connects earth lead PE, second input interface I2 is simultaneously connected with the second transition resistance R2, second transition resistance R2 connects the input of transient state suppression diode T1, and the outfan of transient state suppression diode T1 connects the second output interface O2；
3rd input interface I3 connects the input of the second gas-discharge tube Q2, the outfan of the second gas-discharge tube Q2 connects earth lead PE, 3rd input interface I3 is simultaneously connected with the 3rd transition resistance R3,3rd transition resistance R3 connects the input of transient state suppression diode T1, and the outfan of transient state suppression diode T1 connects the 3rd output interface O3；
4th input interface I4 connects the input of the second gas-discharge tube Q2, the outfan of the second gas-discharge tube Q2 connects earth lead PE, 4th input interface I4 is simultaneously connected with the 4th transition resistance R4,4th transition resistance R4 connects the input of transient state suppression diode T1, and the outfan of transient state suppression diode T1 connects the 4th output interface O4；
5th input interface I5 connects the input of the second zinc oxide varistor Z2, and the outfan of the second zinc oxide varistor Z2 connects the outfan of earth bus PE, the second zinc oxide varistor Z2 and is connected with the 5th output interface O5 simultaneously；
6th input interface I6 connects the input of the first zinc oxide varistor Z1, and the outfan of the first zinc oxide varistor Z1 connects the outfan of earth bus PE, the first zinc oxide varistor Z1 and is connected with the 6th output interface O6 simultaneously；The outfan of the first zinc oxide varistor Z1 and the outfan of the second zinc oxide varistor Z2 are directly connected to pilot bulb L1.
In conjunction with Fig. 2, Fig. 4, a kind of video monitoring lightning protector based on above-mentioned monitoring lightning protection circuit, BNC input interface 1 connects the first input interface I1, the second input interface I2, and BNC output interface 4 connects the first output interface O1, the second output interface O2；First power input interface 2 connects the 5th input interface I5, and the first power output interface 5 connects the 5th output interface O5, and second source input interface 3 connects the 6th input interface I6, and second source output interface 6 connects the 6th output interface O6.
The shell of described lightning protection device is metal shell, and display lamp is positioned at above shell, and earth lead is positioned at shell side, and metal shell is all connected with ground connection main line PE, metal shell ground connection.
In conjunction with Fig. 3, Fig. 5, a kind of network monitoring lightning protection device based on above-mentioned monitoring lightning protection circuit, network input RJ45 interface 7 connects the first input interface I1, the second input interface I2, the 3rd input interface I3, the 4th input interface I4, and network output RJ45 interface 10 connects the first output interface O1, the second output interface O2, the 3rd output interface O3, the 4th output interface O4；First power input interface 8 connects the 5th input interface I5, and the first power output interface 11 connects the 5th output interface O5, and second source input interface 9 connects the 6th input interface I6, and second source output interface 12 connects the 6th output interface O6.
The shell of described lightning protection device is metal shell, and display lamp is positioned at above shell, and earth lead is positioned at shell side, and metal shell is all connected with ground connection main line PE, metal shell ground connection.
Circuit peripheral of the present utility model series connection, internal parallel ZnO varistor sheet; when overvoltage reaches certain amplitude when, the least, the surge voltage that becomes of the resistance of varistor can be by the less loop of resistance; thus protect equipment not by voltage damages, by lightning current safe release the earth.
When the voltage on circuit, circuit returns to standard value, varistor is high-impedance state, and equipment can normally work.
Concrete technical parameter is:
Below in conjunction with embodiment this utility model done further detailed description:
Embodiment 1
A kind of video monitoring lightning protector, including the first input interface I1, the second input interface I2, the 3rd input interface I3, the 4th input interface I4, the 5th input interface I5, the 6th input interface I6, the first output interface O1, the second output interface O2, the 3rd output interface O3, the 4th output interface O4, the 5th output interface O5, the 6th output interface O6, earth bus PE；
First input interface I1 connects the input of gas-discharge tube Q1, the outfan of gas-discharge tube Q1 connects earth lead PE, first input interface I1 is simultaneously connected with First Transition resistance R1, the other end of First Transition resistance R1 connects the input of transient state suppression diode T1, and the outfan of transient state suppression diode T1 connects the first output interface O1；
Second input interface I2 connects the input of gas-discharge tube Q1, the outfan of gas-discharge tube Q1 connects earth lead PE, second input interface I2 is simultaneously connected with the second transition resistance R2, second transition resistance R2 connects the input of transient state suppression diode T1, and the outfan of transient state suppression diode T1 connects the second output interface O2；
3rd input interface I3 connects the input of the second gas-discharge tube Q2, the outfan of the second gas-discharge tube Q2 connects earth lead PE, 3rd input interface I3 is simultaneously connected with the 3rd transition resistance R3,3rd transition resistance R3 connects the input of transient state suppression diode T1, and the outfan of transient state suppression diode T1 connects the 3rd output interface O3；
4th input interface I4 connects the input of the second gas-discharge tube Q2, the outfan of the second gas-discharge tube Q2 connects earth lead PE, 4th input interface I4 is simultaneously connected with the 4th transition resistance R4,4th transition resistance R4 connects the input of transient state suppression diode T1, and the outfan of transient state suppression diode T1 connects the 4th output interface O4；
5th input interface I5 connects the input of the second zinc oxide varistor Z2, and the outfan of the second zinc oxide varistor Z2 connects the outfan of earth bus PE, the second zinc oxide varistor Z2 and is connected with the 5th output interface O5 simultaneously；
6th input interface I6 connects the input of the first zinc oxide varistor Z1, and the outfan of the first zinc oxide varistor Z1 connects the outfan of earth bus PE, the first zinc oxide varistor Z1 and is connected with the 6th output interface O6 simultaneously；The outfan of the first zinc oxide varistor Z1 and the outfan of the second zinc oxide varistor Z2 are directly connected to pilot bulb L1.
BNC input interface 1 connects the first input interface I1, the second input interface I2, and BNC output interface 4 connects the first output interface O1, the second output interface O2；First power input interface 2 connects the 5th input interface I5, and the first power output interface 5 connects the 5th output interface O5, and second source input interface 3 connects the 6th input interface I6, and second source output interface 6 connects the 6th output interface O6.
The shell of lightning protection device is metal shell, and display lamp is positioned at above shell, and earth lead is positioned at shell side, and metal shell is all connected with ground connection main line PE, metal shell ground connection.
Lightning protection device small volume of the present utility model, easy to use, energy-saving and environmental protection, residual voltage is low, and service life is long.
Embodiment 2
A kind of network monitoring lightning protection device, including the first input interface I1, the second input interface I2, the 3rd input interface I3, the 4th input interface I4, the 5th input interface I5, the 6th input interface I6, the first output interface O1, the second output interface O2, the 3rd output interface O3, the 4th output interface O4, the 5th output interface O5, the 6th output interface O6, earth bus PE；
First input interface I1 connects the input of gas-discharge tube Q1, the outfan of gas-discharge tube Q1 connects earth lead PE, first input interface I1 is simultaneously connected with First Transition resistance R1, the other end of First Transition resistance R1 connects the input of transient state suppression diode T1, and the outfan of transient state suppression diode T1 connects the first output interface O1；
Second input interface I2 connects the input of gas-discharge tube Q1, the outfan of gas-discharge tube Q1 connects earth lead PE, second input interface I2 is simultaneously connected with the second transition resistance R2, second transition resistance R2 connects the input of transient state suppression diode T1, and the outfan of transient state suppression diode T1 connects the second output interface O2；
3rd input interface I3 connects the input of the second gas-discharge tube Q2, the outfan of the second gas-discharge tube Q2 connects earth lead PE, 3rd input interface I3 is simultaneously connected with the 3rd transition resistance R3,3rd transition resistance R3 connects the input of transient state suppression diode T1, and the outfan of transient state suppression diode T1 connects the 3rd output interface O3；
4th input interface I4 connects the input of the second gas-discharge tube Q2, the outfan of the second gas-discharge tube Q2 connects earth lead PE, 4th input interface I4 is simultaneously connected with the 4th transition resistance R4,4th transition resistance R4 connects the input of transient state suppression diode T1, and the outfan of transient state suppression diode T1 connects the 4th output interface O4；
5th input interface I5 connects the input of the second zinc oxide varistor Z2, and the outfan of the second zinc oxide varistor Z2 connects the outfan of earth bus PE, the second zinc oxide varistor Z2 and is connected with the 5th output interface O5 simultaneously；
6th input interface I6 connects the input of the first zinc oxide varistor Z1, and the outfan of the first zinc oxide varistor Z1 connects the outfan of earth bus PE, the first zinc oxide varistor Z1 and is connected with the 6th output interface O6 simultaneously；The outfan of the first zinc oxide varistor Z1 and the outfan of the second zinc oxide varistor Z2 are directly connected to pilot bulb L1.
Network input RJ45 interface 7 connects the first input interface I1, the second input interface I2, the 3rd input interface I3, the 4th input interface I4, and network output RJ45 interface 10 connects the first output interface O1, the second output interface O2, the 3rd output interface O3, the 4th output interface O4；First power input interface 8 connects the 5th input interface I5, and the first power output interface 11 connects the 5th output interface O5, and second source input interface 9 connects the 6th input interface I6, and second source output interface 12 connects the 6th output interface O6.
The shell of lightning protection device is metal shell, and display lamp is positioned at above shell, and earth lead is positioned at shell side, and metal shell is all connected with ground connection main line PE, metal shell ground connection.Lightning protection device small volume of the present utility model, easy to use, energy-saving and environmental protection, residual voltage is low, and service life is long.
Claims (5)
1. a monitoring lightning protection circuit, it is characterized in that, including the first input interface [I1], the second input interface [I2], the 3rd input interface [I3], the 4th input interface [I4], the 5th input interface [I5], the 6th input interface [I6], the first output interface [O1], the second output interface [O2], the 3rd output interface [O3], the 4th output interface [O4], the 5th output interface [O5], the 6th output interface [O6], earth bus [PE]；
First input interface [I1] connects the input of gas-discharge tube [Q1], the outfan of gas-discharge tube [Q1] connects earth lead [PE], first input interface [I1] is simultaneously connected with First Transition resistance [R1], the other end of First Transition resistance [R1] connects the input of transient state suppression diode [T1], and the outfan of transient state suppression diode [T1] connects the first output interface [O1]；
Second input interface [I2] connects the input of gas-discharge tube [Q1], the outfan of gas-discharge tube [Q1] connects earth lead [PE], second input interface [I2] is simultaneously connected with the second transition resistance [R2], second transition resistance [R2] connects the input of transient state suppression diode [T1], and the outfan of transient state suppression diode [T1] connects the second output interface [O2]；
3rd input interface [I3] connects the input of the second gas-discharge tube [Q2], the outfan of the second gas-discharge tube [Q2] connects earth lead [PE], 3rd input interface [I3] is simultaneously connected with the 3rd transition resistance [R3], 3rd transition resistance [R3] connects the input of transient state suppression diode [T1], and the outfan of transient state suppression diode [T1] connects the 3rd output interface [O3]；
4th input interface [I4] connects the input of the second gas-discharge tube [Q2], the outfan of the second gas-discharge tube [Q2] connects earth lead [PE], 4th input interface [I4] is simultaneously connected with the 4th transition resistance [R4], 4th transition resistance [R4] connects the input of transient state suppression diode [T1], and the outfan of transient state suppression diode [T1] connects the 4th output interface [O4]；
5th input interface [I5] connects the input of the second zinc oxide varistor [Z2], the outfan of the second zinc oxide varistor [Z2] connects earth bus [PE], and the outfan of the second zinc oxide varistor [Z2] is connected with the 5th output interface [O5] simultaneously；
6th input interface [I6] connects the input of the first zinc oxide varistor [Z1], the outfan of the first zinc oxide varistor [Z1] connects earth bus [PE], and the outfan of the first zinc oxide varistor [Z1] is connected with the 6th output interface [O6] simultaneously；The outfan of the first zinc oxide varistor [Z1] and the outfan of the second zinc oxide varistor [Z2] are directly connected to pilot bulb [L1].
2. one kind based on the video monitoring lightning protector monitoring lightning protection circuit described in claim 1, it is characterized in that, BNC input interface [1] connects the first input interface [I1], the second input interface [I2], and BNC output interface [4] connects the first output interface [O1], the second output interface [O2]；First power input interface [2] connects the 5th input interface [I5], first power output interface [5] connects the 5th output interface [O5], second source input interface [3] connects the 6th input interface [I6], and second source output interface [6] connects the 6th output interface [O6].
The most according to claim 2, video monitoring lightning protector, it is characterised in that the shell of lightning protection device is metal shell, display lamp is positioned at above shell, and earth lead is positioned at shell side, and metal shell is all connected with ground connection main line [PE], metal shell ground connection.
4. one kind based on the network monitoring lightning protection device monitoring lightning protection circuit described in claim 1, it is characterized in that, network input RJ45 interface [7] connects the first input interface [I1], the second input interface [I2], the 3rd input interface [I3], the 4th input interface [I4], and network output RJ45 interface [10] connects the first output interface [O1], the second output interface [O2], the 3rd output interface [O3], the 4th output interface [O4]；First power input interface [8] connects the 5th input interface [I5], first power output interface [11] connects the 5th output interface [O5], second source input interface [9] connects the 6th input interface [I6], and second source output interface [12] connects the 6th output interface [O6].
The most according to claim 4, network monitoring lightning protection device, it is characterised in that the shell of lightning protection device is metal shell, display lamp is positioned at above shell, and earth lead is positioned at shell side, and metal shell is all connected with ground connection main line [PE], metal shell ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620168378.7U CN205489505U (en) | 2016-03-04 | 2016-03-04 | Control lightning protection circuit and lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620168378.7U CN205489505U (en) | 2016-03-04 | 2016-03-04 | Control lightning protection circuit and lightning protection device |
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| Publication Number | Publication Date |
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| CN205489505U true CN205489505U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620168378.7U Active CN205489505U (en) | 2016-03-04 | 2016-03-04 | Control lightning protection circuit and lightning protection device |
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| CN (1) | CN205489505U (en) |
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