CN210517787U - Comprehensive lightning protection device for video monitoring system - Google Patents
Comprehensive lightning protection device for video monitoring system Download PDFInfo
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- CN210517787U CN210517787U CN201921845265.6U CN201921845265U CN210517787U CN 210517787 U CN210517787 U CN 210517787U CN 201921845265 U CN201921845265 U CN 201921845265U CN 210517787 U CN210517787 U CN 210517787U
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Abstract
The utility model provides a comprehensive lightning protection device for video monitoring system, which comprises a conductor multi-short-needle lightning diffusion device, a power surge protection device, a video signal lightning protector, a network signal lightning protector and a lightning protection grounding system, wherein the conductor multi-short-needle lightning diffusion device is used for being installed outdoors and is connected with the lightning protection grounding system; a plurality of power supply surge protection devices are adopted, each power supply surge protection device is used for being respectively arranged at a wire outlet end of a power supply device and a power supply end of terminal equipment, and each power supply surge protection device is connected with a lightning protection grounding system; the video signal lightning protector is used for being connected between the first camera and the wired monitoring equipment, and the grounding end of the video signal lightning protector is connected to the lightning protection grounding system; the network signal lightning protection device is used for being connected between the second camera and the network switch, and the grounding end of the network signal lightning protection device is connected to the lightning protection grounding system. The device can avoid equipment from being struck by lightning, and effectively reduces the occurrence of lightning accidents.
Description
Technical Field
The utility model relates to a lightning-protection technical field especially relates to a synthesize lightning protection device for video monitoring system.
Background
The lightning rod is adopted in the traditional lightning protection measure, the lightning rod is installed at a height control point near a building, a monitoring camera and the like, when lightning occurs, an electric field environment which is distributed unevenly is formed between the lightning rod and thundercloud, and due to the fact that air humidity is very easy to be punctured in thunderstorm weather, lightning current can be discharged to the ground through the lightning rod. In fact, when lightning current is not released timely, the lightning protection method through lightning triggering release is prone to being directly struck by lightning, induction lightning strike is generated on the monitoring camera at a light moment, and the video monitoring system is directly struck by lightning at a heavy moment.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the prior art, the utility model provides a synthesize lightning protection device for video monitoring system to can avoid equipment to suffer the thunderbolt, reduce the emergence of thunderbolt accident effectively.
In order to achieve the above object, the utility model provides a comprehensive lightning protection device for video monitoring system, including conductor many short needles thunder and lightning diffusion device, power surge protection device, video signal lightning protection device, network signal lightning protection device and lightning protection ground system, the lightning protection ground system includes ground lead, busbar and ground net;
the conductor multi-short-pin lightning diffusion device is used for being installed outdoors and is connected with the lightning protection grounding system;
a plurality of power supply surge protection devices are adopted, each power supply surge protection device is used for being respectively arranged at a wire outlet end of a power supply device and a power supply end of terminal equipment, and each power supply surge protection device is also connected with a lightning protection grounding system;
the video signal lightning protector is used for being connected between a first camera and wired monitoring equipment, the first camera is connected with the video signal lightning protector through a video signal cable, and the grounding end of the video signal lightning protector is connected to a lightning protection grounding system;
the network signal lightning protection device is used for being connected between the second camera and the network switch, the second camera is connected with the network signal lightning protection device through a network cable, and the grounding end of the network signal lightning protection device is connected to the lightning protection grounding system.
Preferably, a plurality of power surge protection devices are employed having different current capacity.
Preferably, the video signal cable and the network cable are buried in a mode of being provided with a shielding layer or a mode of penetrating a metal pipe, and the electrical communication of the metal pipe is kept.
Preferably, the ground resistance of the ground net is 4 Ω or less.
Preferably, the system further comprises an optical fiber transceiver, a power supply end of the optical fiber transceiver is connected with the power surge protection device, and a signal end of the optical fiber transceiver is used for connecting with the switch.
The beneficial effects of the utility model reside in that above-mentioned a synthesize lightning protection device for video monitoring system directly strikes the thunder and lightning protection from the many short needles thunder and lightning diffusion device of outdoor conductor, carries out multistage surge lightning protection, data signal end to indoor power end and keeps apart lightning protection, transmission cable poling shielding multidimension degree such as thunder and lightning response conduction, the multidimension way is synthesized the lightning protection and is administered, can avoid equipment to suffer the thunderbolt, reduces the emergence of thunderbolt accident effectively.
Drawings
Fig. 1 shows a schematic usage state diagram of an integrated lightning protection device for a video surveillance system according to the present invention.
Reference numerals: the lightning protection device comprises a 1-conductor multi-short-pin lightning diffusing device, a 2-power surge protection device, a 3-video signal lightning protector, a 4-network signal lightning protector, a 6-grounding lead, a 7-busbar, an 8-grounding network, an I-total distribution box, an II-distribution box, an III-UPS, an IV-first camera, a V-second camera, a VI-wired monitoring device, a VII-network switch and a VIII-optical fiber transceiver.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1, the utility model relates to a synthesize lightning protection device for video monitoring system includes that the many short needles thunder and lightning of conductor diffuse device 1, power surge protection device 2, video signal lightning protection device 3, network signal lightning protection device 4 and lightning protection ground system, lightning protection ground system includes ground lead 6, busbar 7 and ground net 8.
Wherein the conductor multi-short-pin lightning diffusion device 1 is used for being installed at a high place outdoors, and buildings, front-end equipment and the like, such as a camera and the like, are arranged in the effective protection range of the conductor multi-short-pin lightning diffusion device 1; the conductor multi-short-pin lightning dissipating device 1 is connected to a lightning protection grounding system, in particular to a grounding grid 8 via a grounding lead 6.
In this embodiment, a plurality of power supply surge protection devices 2 with different through-current capacities may be adopted, each power supply surge protection device 2 is respectively disposed at the outlet terminal of each power supply device and the power supply terminal of the terminal equipment, and each power supply surge protection device 2 is further connected to the lightning protection grounding system. In this embodiment, as shown in fig. 1, each power supply device may include a main distribution box i, a distribution box ii, and a UPS iii, and a power surge protection device 2 with a through-current capacity of 100KA is installed at an outlet end of the main distribution box i to serve as a first-stage protection for a power supply of equipment in a machine room of a monitoring center; a power supply surge protection device 2 with the through-flow capacity of 40KA is arranged at the outlet end of the distribution box II and is used as a second-stage protection of the power supply of the monitoring center machine room equipment; and a power surge protection device 2 with the through-flow capacity of 10KA is arranged between the outlet end of the UPS III and the power supply ends of the terminal equipment in the monitoring center machine room and is used as the third-level lightning protection of the power supply of the terminal equipment in the monitoring center machine room.
The video signal lightning protection device 3 is used for being connected between a first camera IV and a wired monitoring device VI to protect the wired monitoring device VI, the first camera IV is connected with the video signal lightning protection device 3 through a video signal cable, the grounding end of the video signal lightning protection device 3 is connected to a lightning protection grounding system, specifically, the grounding end of the video signal lightning protection device 3 is connected to a bus bar 7 through a grounding lead 6, and the bus bar 7 is connected to a grounding network 8 through the grounding lead 6. As can be seen from fig. 1, the wired monitoring device vi serves as a terminal device, and a power supply end thereof is connected with a power supply surge protection device 2.
The network signal lightning protection device 4 is used for being connected between a second camera v and the network switch vii to protect the network switch vii, the second camera v is connected with the network signal lightning protection device 4 through a network cable, a grounding end of the network signal lightning protection device 4 is connected to a lightning protection grounding system, specifically, the grounding end of the network signal lightning protection device 4 is connected to a bus bar 7 through a grounding lead 6, and the bus bar 7 is connected to a grounding network 8 through the grounding lead 6. As can be seen from fig. 1, the network switch vii serves as a terminal device, and a power supply end thereof is connected with a power supply surge protection device 2.
The transmission line of video monitoring signal (including video signal cable and network cable) is also the important route of lightning wave invasion, adopts the mode of burying underground and can not prevent the emergence of thunderbolt equipment yet, and a large amount of facts show, and the thunderbolt causes buried cable trouble, accounts for about 30% of total trouble. Consequently the utility model relates to a video signal cable and net twine adopt the mode of taking the shielding layer or wear the metal pipe and bury the ground mode of laying, keep the electric intercommunication of metal pipe, and it is very effective to protection thunder wave invasion.
The utility model relates to a lightning protection grounding system is a crucial ring in the lightning protection, the smaller lightning protection effect of resistance value of grounding net 8 is ideal more. In the present embodiment, the grounding resistance of the grounding grid 8 is less than or equal to 4 Ω, and preferably less than or equal to 1 Ω.
In order to play the effect of lightning protection when remote signal transmission, the utility model relates to a synthesize lightning protection device for video monitoring system still includes optical fiber transceiver VIII, power surge protection device 2 is connected to optical fiber transceiver VIII's power end, optical fiber transceiver VIII's signal end is used for connecting the switch, and like this, the trunk adopts the optical cable can effectively block the thunder wave invasion as signal transmission line.
The utility model relates to a comprehensive lightning protection device for video monitoring system can form two sets of protection mechanisms of outdoor lightning protection and indoor lightning protection, wherein outdoor lightning protection mechanism includes conductor many short needles thunder and lightning diffusion device 1 and lightning protection ground system, and its main function is in order to protect bodies such as building, video surveillance camera head, etc. to avoid the invasion and attack of direct lightning, discharges the induced charge that the thundercloud produced when passing through into the ground through lightning protection ground system; the indoor lightning protection mechanism comprises a power supply surge protection device 2, a video signal lightning protector 3, a network signal lightning protector 4 and a lightning protection grounding system, and has the main function of protecting the safety of equipment and personnel inside a building.
The utility model relates to a synthesize lightning protection device for video monitoring system carries out direct attack thunder and protection from the many short needles thunder and lightning diffusion device of outdoor conductor, carries out multistage surge lightning protection, data signal end to indoor power end and keeps apart multidimension degree, the multipath such as lightning protection, transmission cable poling shielding thunder and lightning response conduction and synthesizes lightning protection and administer, can avoid equipment to suffer the thunderbolt, reduces the emergence of thunderbolt accident effectively.
Claims (5)
1. The utility model provides a synthesize lightning protection device for video monitoring system which characterized in that: the lightning protection grounding system comprises a conductor multi-short-pin lightning diffusing device, a power supply surge protection device, a video signal lightning protector, a network signal lightning protector and a lightning protection grounding system, wherein the lightning protection grounding system comprises a grounding lead, a bus bar and a grounding network;
the conductor multi-short-pin lightning diffusion device is used for being installed outdoors and is connected with the lightning protection grounding system;
a plurality of power supply surge protection devices are adopted, each power supply surge protection device is used for being respectively arranged at a wire outlet end of a power supply device and a power supply end of terminal equipment, and each power supply surge protection device is also connected with a lightning protection grounding system;
the video signal lightning protector is used for being connected between a first camera and wired monitoring equipment, the first camera is connected with the video signal lightning protector through a video signal cable, and the grounding end of the video signal lightning protector is connected to a lightning protection grounding system;
the network signal lightning protection device is used for being connected between the second camera and the network switch, the second camera is connected with the network signal lightning protection device through a network cable, and the grounding end of the network signal lightning protection device is connected to the lightning protection grounding system.
2. The integrated lightning protection device for video surveillance systems according to claim 1, characterized by: the multiple power surge protection devices employed have different current capacities.
3. The integrated lightning protection device for video surveillance systems according to claim 1, characterized by: the video signal cable and the network cable are buried in a mode with a shielding layer or a mode of penetrating a metal pipe, and the electrical communication of the metal pipe is kept.
4. The integrated lightning protection device for video surveillance systems according to claim 1, characterized by: and the grounding resistance of the grounding grid is less than or equal to 4 omega.
5. An integrated lightning protection device for a video surveillance system according to any one of claims 1 to 4, characterized in that: the optical fiber surge protection device is characterized by further comprising an optical fiber transceiver, wherein a power supply end of the optical fiber transceiver is connected with the power surge protection device, and a signal end of the optical fiber transceiver is used for being connected with the switchboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921845265.6U CN210517787U (en) | 2019-10-30 | 2019-10-30 | Comprehensive lightning protection device for video monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921845265.6U CN210517787U (en) | 2019-10-30 | 2019-10-30 | Comprehensive lightning protection device for video monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210517787U true CN210517787U (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921845265.6U Active CN210517787U (en) | 2019-10-30 | 2019-10-30 | Comprehensive lightning protection device for video monitoring system |
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| Country | Link |
|---|---|
| CN (1) | CN210517787U (en) |
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2019
- 2019-10-30 CN CN201921845265.6U patent/CN210517787U/en active Active
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