CN201742475U - Video camera lightning arrester - Google Patents
Video camera lightning arrester Download PDFInfo
- Publication number
- CN201742475U CN201742475U CN2010201591561U CN201020159156U CN201742475U CN 201742475 U CN201742475 U CN 201742475U CN 2010201591561 U CN2010201591561 U CN 2010201591561U CN 201020159156 U CN201020159156 U CN 201020159156U CN 201742475 U CN201742475 U CN 201742475U
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- video camera
- video
- discharge tube
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Abstract
The utility model relates to the field of video camera equipment, in particular to a video camera lightning arrester, which is installed on a video camera, is used for inhabiting lightning impulses, and integrates a CCD template video module for video signal acquisition, a lightning protection module, a power supply module for a power supply and a control processing module for control signal input into a whole, so a plurality of problems caused by installing an outer lightning protector on a traditional video camera are solved. The utility model has simple and reliable structure, is adaptable to various installation environments, can completely avoid being damaged due to lightning impact, realizes the automatic control of signals and not only is applicable to a road monitoring system, but also is applicable to the safety monitoring of environments, such as factory areas and the like.
Description
[technical field]
The utility model relates to the camera apparatus field, specifically refers to a kind of video camera lightning arrester that suppresses lightening pulse on the video camera that is installed in.
[background technology]
Thunder and lightning is a kind of common natural phenomena, yet it brings tremendous influence and loss but for people's life and property.The power system operation that the infringement mode of thunder and lightning is divided in direct lightning strike harm, the harm of circuit thunder, lightning induction harm and the regular job is crossed electricity harm etc.Along with the construction development of urban traffic road, all kinds of monitoring equipments such as video camera use very general, and these equipment are installed in the outdoor harm that is easy to be subjected to circuit thunder and lightning induction at thundery sky.By adding lightning protection for power supply video camera is protected in the market; yet the protection for the induction thunder also is in the outside protection stage; just before entering video camera, circuit externally installs lightning protection device additional; this device is subjected to the restriction of geographical environment and installing space; also must add some auxiliary equipment just can; mate compatibility issue in addition between video camera and the lightning protection device in addition, certainly will will increase the probability of failure of video camera.This be people do not wish to see.
[utility model content]
The utility model purpose is to solve the problem of video camera lightning protection in the existing road supervisory control system, and provides a kind of simple in structure, with video camera all-in-one-piece video camera lightning arrester.
A kind of video camera lightning arrester, comprise camera lens, the CCD template video module that is used for signals collecting, the power module and the control treatment module that are used for the input of power supply and control signal, described video module respectively with camera lens, the control treatment module of power module and processing control signals connects, wherein said video module also is connected with the lightning-protection module that is provided with, described lightning-protection module is by power subsystem, the control circuit that vision signal device and isolated location are formed, wherein power subsystem connects described power module, the vision signal device connects video module, and wherein power subsystem is by inductance, discharge tube and inhibition diode constitute; Described vision signal device is made of rectifier bridge, discharge tube; Described isolated location is made of piezo-resistance and discharge tube, and introduces earth terminal.
Preferably, described discharge tube comprises two utmost point gas discharge tubes and three utmost point gas discharge tubes, and three utmost point gas discharge tubes are connected with inductance with two utmost point gas discharge tubes respectively.
Parallel connection LED lamp on the described discharge tube connection line.
The utility model video camera lightning arrester, with CCD template video module, the lightning-protection module of video signal collective and be used for power supply and the power module of control signal input and control treatment module connect and be made as one, to overcome that existing video camera is installed outside lightning protection device and the problems that cause.The utility model is simple and reliable for structure, adapts to various installation environments, can avoid fully being subjected to lightning impulse and damages, and realizes the automatic control of signal, not only is suitable for and the road monitoring system, also is suitable for environmentAL safety monitoring such as plant area.
[description of drawings]
Fig. 1 is a theory diagram of the present utility model;
Fig. 2 is the circuit diagram of the utility model lightning-protection module.
[embodiment]
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Be to be understood that concrete embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model video camera lightning arrester is to protect at the outdoor pick-up machine, damaged by thunderbolt to prevent road or plant area's safety defense monitoring system in the thunderstorm weather accident.As shown in Figure 1, 2, the utility model structure comprises camera lens 1, it is installed and fixed by the intrinsic shell of video camera, and also be provided with CCD template video module 2, the lightning-protection module 3 that is used for video signal collective, power module 4 and the grounded parts 6 that is used for camera power supply and control signal input in the enclosure, wherein the input of video module 2 is connected with camera lens 1, output connects lightning-protection module 3, and the video module 2 that is connected with power module 4 also is connected with external control treatment module 5.Establish the digital image processing chip in the described video module 2, have characteristics such as highly sensitive, high s/n ratio.
Join shown in Figure 2, the control circuit that lightning-protection module 3 described in the utility model is made up of power subsystem, vision signal device and isolated location, wherein power subsystem connects described power module 4, the vision signal device connects video module 2 and external control treatment module 5, and control treatment module 5 can be DVR or other image processors; Described power subsystem is made of two inductance L, discharge tube and inhibition diode 13 in addition, described discharge tube comprises two utmost point gas discharge tubes 7 and three utmost point gas discharge tubes 10, three utmost point gas discharge tubes 10 are connected with inductance L with two utmost point gas discharge tubes 7 respectively, and link to each other with grounded parts 6; Suppress diode 13 and connect, owing to suppress the energy minimum of diode 13, respond the soonest, can spark to generation after the lightning current that enters lightning-protection module 3 or the surge inhibition, and introduce underground rapidly with three grades of gas discharge tubes 10; Described vision signal device is made of rectifier bridge 8 and the solid discharging tube 8 that is attached thereto, and can carry out Filtering Processing to vision signal and the power supply signal that enters lightning-protection module 3; Described isolated location is made of metal oxide piezo-resistance 12 and secondary gas discharge tube 11, and introduces earth terminal.
After the utility model connects video line and power line, lightning-protection module 3 will carry out filtering and isolate the back being connected to video module 2 to these two groups of circuits, thereby video camera is carried out online protection.When lightning current or surge road along the line enter; because voltage is much higher than the operating voltage of video camera; described piezo-resistance 12 can start in the time of nanosecond, cooperates discharge tube with the lightning current major part the earth of releasing simultaneously, thereby the protection video camera is avoided the damage of thunder and lightning.
The utility model is installed in the camera housing, is used as grounded parts 6 by the metalwork on the shell such as support, screw, and is simple and reliable for structure, also avoids the possibility of imperfect earth initiating failure.The utility model generally is installed in outdoor, for the ease of observing and detecting, parallel connection LED lamp on the circuit that described gas discharge tube connects, when strong direct lightning strike takes place, its voltage strength is destroyed lightning protection mould and is determined after 3, described LED lamp will be warned staff's replacing or maintenance lightning-protection module 3, and will be simple and reliable.The utility model video camera lightning arrester adapts to various installation environments, can avoid fully being subjected to lightning impulse and damages, and realizes the automatic control of signal, not only is suitable for and the road monitoring system, also is suitable for environmentAL safety monitoring such as plant area.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (3)
1. video camera lightning arrester, comprise camera lens, the CCD template video module that is used for signals collecting, the power module and the control treatment module that are used for the input of power supply and control signal, described video module respectively with camera lens, the control treatment module of power module and processing control signals connects, it is characterized in that: described video module also is connected with the lightning-protection module that is provided with, described lightning-protection module is by power subsystem, the control circuit that vision signal device and isolated location are formed, wherein power subsystem connects described power module, the vision signal device connects video module, and wherein power subsystem is by inductance, discharge tube and inhibition diode constitute; Described vision signal device is made of rectifier bridge, discharge tube; Described isolated location is made of piezo-resistance and discharge tube, and introduces earth terminal.
2. according to the described video camera lightning arrester of claim 1, it is characterized in that: described discharge tube comprises two utmost point gas discharge tubes and three utmost point gas discharge tubes, and three utmost point gas discharge tubes are connected with inductance with two utmost point gas discharge tubes respectively.
3. according to the described video camera lightning arrester of claim 1, it is characterized in that: parallel connection LED lamp on the described discharge tube connection line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201591561U CN201742475U (en) | 2010-04-08 | 2010-04-08 | Video camera lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201591561U CN201742475U (en) | 2010-04-08 | 2010-04-08 | Video camera lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201742475U true CN201742475U (en) | 2011-02-09 |
Family
ID=43557754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201591561U Expired - Fee Related CN201742475U (en) | 2010-04-08 | 2010-04-08 | Video camera lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201742475U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267580A (en) * | 2013-05-17 | 2013-08-28 | 成都市晶林科技有限公司 | Infrared video camera with lightning protective outer shell |
-
2010
- 2010-04-08 CN CN2010201591561U patent/CN201742475U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267580A (en) * | 2013-05-17 | 2013-08-28 | 成都市晶林科技有限公司 | Infrared video camera with lightning protective outer shell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Westren Technology (Xinyu) Co., Ltd. Assignor: Shenzhen Zhongxi Neon Digital Video Co., Ltd. Contract record no.: 2014360000204 Denomination of utility model: Video camera lightning arrester Granted publication date: 20110209 License type: Exclusive License Record date: 20140716 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20150408 |
|
| EXPY | Termination of patent right or utility model |