CN204168326U - The network of web camera shares isolator - Google Patents
The network of web camera shares isolator Download PDFInfo
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- CN204168326U CN204168326U CN201320806552.2U CN201320806552U CN204168326U CN 204168326 U CN204168326 U CN 204168326U CN 201320806552 U CN201320806552 U CN 201320806552U CN 204168326 U CN204168326 U CN 204168326U
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Abstract
The network of web camera shares isolator, described network shares isolator and web camera is equipped with, comprise main body, main body is provided with plant-grid connection interface, network insertion interface, networking output interface and power supply indicator, input data communication indicator light, exports data communication indicator light, wherein, network insertion interface is by the internal network at RJ45 interfacing between network video camera place, and networking output interface connects external network by RJ45 interface; Mode at lower cost effectively solves the problem that web camera shares data and network security isolation between the different networks, directly physically realizes data sharing and Network Isolation to front network watch-dog.
Description
Technical field:
The utility model belongs to technical field of security and protection, the network relating to a kind of web camera shares isolator, especially with a kind of achieving, the web camera data security in internal network is shared to external network, and it is relevant to guarantee that web camera place network and the network of the web camera of the function of external network Secure isolation physically share isolator.
Background technology:
Web camera is in networking, and construction deployment, definition, all many-sides such as intellectual analysis application have huge advantage, reduce along with the network bandwidth continues to increase with network construction cost simultaneously, and the application of web camera is able to universal rapidly.Between the application of adjoint network video camera and heterogeneous networks, the network security that shares to of camera data brings threat, how to allow shared use web camera between heterogeneous networks guarantee to realize Secure isolation between each network most important simultaneously.
In urban infrastructure construction, a part in building based on the deployment of monitoring probe, for increasing government department provides service, for avoiding overlapping construction, certainly will require to realize sharing of network monitoring device better, simultaneously, because there is oneself independently network in each functional department, based on security consideration, need independent operating between each network, be not directly connected with external network.Also can be realized the physical isolation of network safely by the mode of traditional gateway, but its equipment cost is higher, for video data, because data volume is large, ageingly require high data communication, operation and the cost of access of gateway equipment are high.
Utility model content:
The purpose of this utility model is to provide a kind of network of web camera to share isolator, solves the isolation sharing and realize physically network between web camera and heterogeneous networks, and that avoids because of the shared internal network caused is dangerous.
For reaching above-mentioned purpose, the utility model adopts following technical scheme:
The network of web camera shares isolator, described network shares isolator and web camera is equipped with, comprise main body, main body is provided with plant-grid connection interface, network insertion interface, networking output interface and power supply indicator, input data communication indicator light, exports data communication indicator light, wherein, network insertion interface is by the internal network at RJ45 interfacing between network video camera place, and networking output interface connects external network by RJ45 interface.
Further, described main body is comprised system power supply module and is connected with external power source by plant-grid connection interface; Video and control signal decoder module pass through the internal network at network insertion interfacing between network video camera place, and video is connected video with control signal decoder module and is connected external network with control signal coding module by networking output interface.
Further, video and control signal decoder module comprise network communication module, network communication module is connected with Video decoding module and 485 control signal decoder modules respectively, Video decoding module is connected with the video encoding module in video and control signal coding module, 485 control signal decoder modules are connected with 485 control signal encoders, and described video encoding module and 485 control signal encoders are connected respectively to video again and control the network communication module in letter coding module.
Adopt technique scheme, the utility model is shared on isolator hardware and is mainly comprised power supply, decoder module, coding module, mixed-media network modules mixed-media, 485 control line communication modules, the one end of sharing isolator is connected with web camera place network by grid line, read data from the web camera that Intranet is specified (comprising: video data by configuring shared isolator, 485 control datas), by decoding chip, digital signal decoding is become analog video signal and analog control signal, decoded signal is input to coding module, by coding module analog video signal and control signal encoded and again convert network digital signal to, be connected in external network by grid line, realize externally sharing of network shooting machine data.Video analog signal only realizes one-way transmission, by internal network externally Internet Transmission, and 485 control signals are two-way communications, the signal run on 485 control lines only identifies PELCO and Extended Protocol, illegal data will be abandoned after coding module and decoder module, effectively prevent external network from transmitting invalid data information by 485 control lines of unique two-way communication.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model internal system structural representation one;
Fig. 3 is the utility model internal system structural representation two.
Embodiment:
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearly, understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Consult shown in Fig. 1-3, consult shown in chart 1, the network of web camera 2 shares the external interface of insulator body 1, comprises plant-grid connection interface 1-1, network insertion interface 1-2, networking output interface 1-3 and power supply indicator 1-4, input data communication indicator light 1-5, exports data communication indicator light 1-6.Network insertion interface 1-1 is by the internal network at RJ45 interfacing between network video camera place, and networking output interface 1-3 connects external network 3 by RJ45 interface.Power supply indicator 1-4 is display power supply connection status after access 12VDC power supply.When network insertion interface has data communication, data input indicator 1-5 glimmers, and when networking output interface has data communication, data output indicator 1-6 glimmers.Shown in Fig. 11 shares the main body of isolator for present networks, comprises all of the native system of realization and needs functional part.
Shown in Fig. 2 is the inside composition structure of equipment body 1, and equipment body comprises system power supply module 1-7, the decoder module 1-8 of video and control signal, video and control signal coding module 1-9.System power supply module 1-7 realizes whether specification checks to input power, Anti-surging and impurity screening, and guaranteeing provides the power supply supply of other module inner to keep reliable and stable.Video and the decoder module 1-8 decoder module of control signal mainly realize being become by web camera decoding data analog video signal and 485 control signals to be supplied to video and control signal coding module 1-9.Video and control signal coding module 1-9 coding module mainly realize the decoded analog video signal of decoder module 1-8 of video and control signal being carried out re-encoding with analog control signal and being connected the data providing visiting from outside web camera and the control realized network shooting with external network.
Inside Fig. 3, the modules structure of equipment body carries out refinement, shows the decoder module 1-8 of video and control signal and video and control signal coding module 1-9 internal structure.The network of network communication module 1-8-1 optimized integration is comprised to connection function at the decoder module 1-8 of video and control signal, equipment body and web camera place network are communicated to connect, video data decoding module 1-8-2 realizes web camera video data decoding to become analog video signal, be connected with video and control signal coding module 1-9 by analog line, realizing decoded analog video signal outputs in coding module, the transmission direction of video data is unidirectional connection, coding module is flowed to by decoder module, 485 control signal decoder 1-8-3 realize the control signal in web camera to be decoded into 485 analog control signals, and control signal is outputted to coding module.In video and control signal coding module 1-9, the analog video signal realizing decoder module to export is carried out from new coding with simulation 485 control signals and is connected with external network by network communication module, coding module comprises again analog video signal coding module 1-9-1,485 control signal coding module 1-9-2 realize encoding to decoded video and control signal respectively, and the data after coding are connected with external network are communicated by network communication module 1-9-3.For external network, web camera in Intranet is transparent, just this shared isolator that extranet access is arrived, and to share between isolator inner decoding and coding module and roundabout network service, but analog signaling communication, realize the isolation of two networks physically.
The network of web camera of the present invention is shared isolator and can effectively stability and safety reliably internal network camera data be shared to external network and ensure the independence of two networks, Hu Bu UNICOM, realizes the isolation of two networks physically.Available protecting internal network, avoids the network security problem that the access because of web camera brings, and in actual applications, installation and deployment are also very simple, effectively solve the safety problem of web camera access, have very strong practicality.
Above-mentioned explanation illustrate and describes preferred embodiment of the present utility model, as previously mentioned, be to be understood that the utility model is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in utility model contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from spirit and scope of the present utility model, then all should in the protection range of the utility model claims.
Claims (1)
1. the network of web camera shares isolator, it is characterized in that: described network shares isolator and web camera (2) is equipped with, comprise main body (1), main body (1) is provided with plant-grid connection interface (1-1), network insertion interface (1-2), networking output interface (1-3) and power supply indicator (1-4), input data communication indicator light (1-5), export data communication indicator light (1-6), wherein, network insertion interface (1-2) is by the internal network at RJ45 interfacing between network video camera (2) place, networking output interface (1-3) connects external network (3) by RJ45 interface, described main body is comprised system power supply module (1-7) and is connected with external power source by plant-grid connection interface (1-1), video and control signal decoder module (1-8) are by the internal network at network insertion interface (1-2) interconnection network video camera (2) place, and video is connected video with control signal decoder module (1-8) and is connected external network (3) with control signal coding module (1-9) by networking output interface (1-3), video and control signal decoder module (1-8) comprise network communication module (1-8-1), network communication module (1-8-1) is connected with Video decoding module (1-8-2) and 485 control signal decoder modules (1-8-3) respectively, Video decoding module (1-8-2) is connected with the video encoding module (1-9-1) in video and control signal coding module (1-9), 485 control signal decoder modules (1-8-3) are connected with 485 control signal encoders (1-9-2), the network communication module (1-9-3) that described video encoding module (1-9-1) and 485 control signal encoders (1-9-2) are connected respectively to video again and control in letter coding module (1-9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320806552.2U CN204168326U (en) | 2013-12-10 | 2013-12-10 | The network of web camera shares isolator |
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| CN201320806552.2U CN204168326U (en) | 2013-12-10 | 2013-12-10 | The network of web camera shares isolator |
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| CN204168326U true CN204168326U (en) | 2015-02-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106375261A (en) * | 2015-07-21 | 2017-02-01 | 杭州海康威视系统技术有限公司 | Cross-network data transmission method and system |
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2013
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106375261A (en) * | 2015-07-21 | 2017-02-01 | 杭州海康威视系统技术有限公司 | Cross-network data transmission method and system |
| CN106375261B (en) * | 2015-07-21 | 2020-03-17 | 杭州海康威视系统技术有限公司 | Cross-network data transmission method and system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20171210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |