CN206164721U - Web -transporting device based on EOC - Google Patents

Abstract

The utility model provides a web -transporting device based on EOC, including the network equipment of front end, EOC equipment, EOC node machine and receiver, the network equipment and EOC equipment pass through net twine communication connection, and EOC equipment and EOC node machine be through coaxial cable communication connection, and EOC node machine and receiver be through light mouthful or electricity mouthful communication connection, EOC node machine or EOC equipment accessible coaxial cable supply power each other, the last signal of coaxial cable loops through protective film piece, filtering isolation module, signal amplification module, coding and decoding module and realizes signal transmission, filtering is kept apart the module and is used for filtering to go to disturb, the signal amplification module is used for the long distance transmission of signal, be provided with the digital simulation converter between signal amplification module and coding and decoding module for interconversion to analog signal and data signal, coding and decoding module is to the data signal encoding and decoding. The utility model has the advantages of can level and smooth solution wiring and transmission problem, realize coaxial power supply, improve the network transmission performance.

Description

Web-transporting device based on EOC

Technical field

The utility model is related to network transmission technology field, and in particular to the web-transporting device based on EOC.

Background technology

Network transmission can be with the problem of effectively solving video bandwidth, and in the market most of high-definition monitoring equipment is all to be situated between In network transmission.The monitoring device old for part, simulation gunlock, ball machine are used in design planning, and its transmission is situated between Matter is coaxial cable.With high Qinghua of video monitoring, high-definition network camera must be transformed into common monitoring device, and this Part circuit is transmitted using coaxial cable originally, and due to line-internal poling, wiring is complicated, is unfavorable for track remodelling.Therefore, exist When front end surveillance device is revised as network high definition gunlock, ball machine, being badly in need of one kind can on coax transmit Ethernet letter Number transmission means, in order to the installation and maintenance of monitoring system, it is ensured that the exploitativeness of high-definition monitoring.

The content of the invention

The purpose of this utility model is to provide one kind and can smooth solution wiring and transmission problem, realize supply power coaxially, carry The web-transporting device based on EOC of high network transmission performance.

In order to achieve the above object, the utility model is achieved through the following technical solutions：

Based on the web-transporting device of EOC, including the network equipment of front end, EOC equipment, EOC Node stations and receiver, net Network equipment is communicated to connect with EOC equipment by netting twine, and EOC equipment is connected with EOC Node stations by coaxial cable communication, EOC sections Point machine is communicated to connect with receiver by optical port or power port, and the EOC Node stations or EOC equipment can mutually be supplied by coaxial cable Electricity.

Further, the signal on the coaxial cable passes sequentially through protection module, filtering isolation module, signal amplification mould Block, coding/decoding module realize signal transmission, and the filtering isolation module goes interference, the signal amplification module to be used for for filtering The long-distance transmissions of signal, are provided with digital simulation converter, for mould between the signal amplification module and coding/decoding module Intend the mutual conversion of signal and data signal, the coding/decoding module is used for the encoding and decoding to data signal.

Further, the EOC Node stations can be powered by coaxial cable for EOC equipment, and the EOC equipment also can pass through Coaxial cable is powered for EOC Node stations.

Further, single or multiple EOC equipment can be set between the EOC Node stations and receiver and is communicated Connection.

Further, the EOC equipment can make EOC Node stations.

Further, the receiver is that switch or server or the central apparatus with power port or the center with optical port set It is standby.

Further, EOC Node stations can by two optical ports or power port realize multiple EOC Node stations looped network, it is point-to-point, Cascade, the connected mode for converging, realization is in communication with each other with distant receiver.

The utility model compared with prior art, has the advantages that：

1st, the utility model can smooth solution wiring problem and transmission problem based on the web-transporting device of EOC, realize To distal end with axle module coaxial telecommunications and power supply technique, it is ensured that network transmission performance, simple operation is with low cost.

2nd, coaxial cable can be realized being transmitted more at a distance than netting twine, reach the purpose extended transmission distance, and solve The past network equipment to during centre receiver because signal attenuation is severe cannot smooth transmission problem.

3rd, web-transporting device of the utility model based on EOC introduces optical transport, and transfer rate includes gigabit, 2.5G, 10G And the higher rate after follow-up optical transport technology innovation, transmission range is at least up to 80 kilometers.

4th, the utility model solves construction modification transmission line again based on the web-transporting device of EOC needs input Manpower and materials and to client using the problem for impacting, save time, laborsaving, economical, while lifting customer experience.

Description of the drawings

Fig. 1 is structural representation of the utility model based on the web-transporting device of EOC.

Fig. 2 is coaxial cable signal transmission schematic diagram of the utility model based on the web-transporting device of EOC.

Fig. 3 is EOC Node station communication connection schematic diagram of the utility model based on the web-transporting device of EOC.

Specific embodiment

Below in conjunction with the accompanying drawings, embodiment of the present utility model is described in further detail.

As shown in figure 1, the web-transporting device based on EOC, including the network equipment of front end, EOC equipment, EOC Node stations And receiver, with EOC equipment by netting twine communication connection, EOC equipment passes through coaxial cable communication to the network equipment with EOC Node stations Connection, EOC Node stations are communicated to connect with receiver by optical port or power port, and the EOC Node stations can be EOC by coaxial cable Equipment is powered, and the EOC equipment also can be powered by coaxial cable for EOC Node stations.

When EOC equipment does EOC Node stations, directly receiver can be connected to by netting twine, can also first pass through the network equipment Communicated with receiver by optical port or power port again.

As shown in Fig. 2 the signal on the coaxial cable passes sequentially through protection module, filtering isolation module, signal amplifying Module, coding/decoding module realize signal transmission, and the filtering isolation module goes interference, the signal amplification module to use for filtering Digital simulation converter is provided between the long-distance transmissions of signal, the signal amplification module and coding/decoding module, for right The mutual conversion of analog signal and data signal, the coding/decoding module is used for the encoding and decoding to data signal.Coaxial cable Transfer rate can reach gigabit, and transmission range can reach more than 3km.

Protection module, for carrying out ESD to coaxial cable（Electrostatic defending）, burst of pulses and lightning surge related guarantor Shield, in case cable machinery is damaged or operation exception.Battery filter module, is provided with this equipment of battery filter module at board It is provided with special power supply to power, by power supply and Signal averaging, the service of connection devices, the power supply mistake of the service of connection devices is sent to by coaxial cable By power supply and Signal separator out, power supply achieves a butt joint the power supply of equipment filter module；This equipment can be EOC Node stations, and docking sets Standby can be the electricity of EOC equipment, the i.e. power supply of EOC Node stations and Signal averaging Jing EOC equipment after coaxial cable transmission Source filtering module is powered for EOC equipment；Conversely, this equipment can be EOC equipment, the service of connection devices can set for EOC Node stations, i.e. EOC The battery filter module of Jing EOC Node stations after coaxial cable transmission is EOC Node stations to standby power supply with Signal averaging Power supply.Filtering isolation module, after filtering isolation coupling is processed the signal that coaxial cable is transmitted, and it act as filtering and goes to do Disturb, the DC component isolated on coaxial cable, the signal level that rear end equipment can be received is obtained, while mating protection module pair Receiving circuit below plays corresponding protective effect.Signal amplification module, the signal of transmission over coaxial cable is amplified；If will Signal transmission is gone out, and is amplified signal and is conducive to long-distance transmissions；If receiving signal, must amplify through coaxial cable transmission attenuation Signal afterwards, then send rear end to.Digital simulation converter is provided between signal amplification module and coding/decoding module, for mould Intend the mutual conversion of signal and data signal.Coding/decoding module is used for the encoding and decoding to data signal.

The receiver is switch or server or the central apparatus with power port or the central apparatus with optical port.EOC is saved The network mouth of point machine, it is possible to achieve the interconnection with switch, server and light, fax transfer device etc..The power port is transmission Up to the 100000000, network interface of gigabit even more high speed, transmission medium is netting twine to speed；The transfer rate of the optical port is 100,000,000, thousand Millionth, 2.5G, 10G even more high speed, transmission medium is optical fiber, and transmission range is at least up to 80 kilometers.

For EOC Node station power ports（Electrical transmission）Or optical port（Optical transport）Selection, according to transmission range select.If The next communication equipment of EOC Node stations distance more than 100m, then using optical transport；If the next communication of EOC Node stations distance sets For within 100m, then using electrical transmission.

As shown in figure 3, EOC Node stations realized by two optical ports or power port multiple EOC Node stations looped network, it is point-to-point, Cascade, the connected mode for converging, so as to realize being in communication with each other with distant receiver.

Point-to-point interconnection：Each EOC Node station is separate, and it passes through optical port or power port each directly and receiver Realize communication connection.

Looped network connected mode：Each EOC Node station has two optical ports（Optical channel）Or power port（Electric channel）Externally respectively Communicate to connect with another EOC Node station and receiver；Generally, using a passage i.e. be capable of achieving EOC Node stations with The communication connection of receiver, the communication port being currently in use disconnects for some reason, then automatically turn on another communication port, i.e. EOC Node station is communicated to connect by another EOC Node station with receiver.

Cascade system：Previous EOC Node stations transfer signals to next EOC Node stations by optical port or power port, such as This is multiple repeatedly, and to the last an EOC Node station is communicated to connect by optical port or power port with receiver；The EOC of concrete interconnection The quantity of Node station is determined by actual volume of transmitted data and light, the transfer rate of power port, it is desirable to which the data volume of transmission is less than The transfer rate of light, power port.

The ethod of remittance：Multiple EOC equipment are connected on an EOC Node station, EOC Node stations are by an optical port or electricity Mouth and receiver or another EOC Node stations communication connection.

In a practical situation, the EOC Node stations can be connected by coaxial cable with single or multiple EOC equipment communications. The EOC equipment can also make EOC Node stations.It is to reduce power supply coaxial if the EOC equipment of front end is far apart from EOC Node stations Loss on cable, it is independently-powered to the EOC equipment of front end.The network equipment of front end has access to single or multiple network letters Number, different designs can be according to the actual requirements done, the quantity of front network equipment 100-M network Ethernet is limited by actual transmissions distance. EOC Node stations are not specifically limited to network interface number.

In practical application, based on the web-transporting device of EOC, including the nE1C equipment of front end（That is EOC equipment）With NEnC2OP equipment（That is EOC Node stations）.NE1C equipment can as the case may be do front end or Node station is used.NEnC2OP equipment Simultaneous with multiple RJ45 network services mouths, multiple coaxial cable mouths and 2 optical ports.

The above is only the utility model preferred embodiment, it is noted that for the ordinary skill of the art Personnel, without departing from the concept of the premise utility, can also make some improvements and modifications, these improvements and modifications Should be regarded as in the utility model protection domain.

Claims (7)

1. the web-transporting device of EOC, including the network equipment of front end, EOC equipment, EOC Node stations and receiver, network are based on Equipment is communicated to connect with EOC equipment by netting twine, and EOC equipment is connected with EOC Node stations by coaxial cable communication, EOC nodes Machine is communicated to connect with receiver by optical port or power port, and the EOC Node stations or EOC equipment can mutually be supplied by coaxial cable Electricity.

2. the web-transporting device based on EOC according to claim 1, it is characterised in that：Letter on the coaxial cable Number pass sequentially through protection module, filtering isolation module, signal amplification module, coding/decoding module and realize signal transmission, the filtering Isolation module goes interference, the signal amplification module to be used for the long-distance transmissions of signal, the signal amplification module for filtering Digital simulation converter is provided with between coding/decoding module, for the mutual conversion to analog signal and data signal, the volume Decoder module is used for the encoding and decoding to data signal.

3. the web-transporting device based on EOC according to claim 1, it is characterised in that：The EOC Node stations can pass through Coaxial cable is powered for EOC equipment, and the EOC equipment also can be powered by coaxial cable for EOC Node stations.

4. the web-transporting device based on EOC according to claim 1, it is characterised in that：The EOC Node stations and reception Single or multiple EOC equipment can be set between machine and connection is communicated.

5. the web-transporting device based on EOC according to claim 1, it is characterised in that：The EOC equipment can make EOC Node station.

6. the web-transporting device based on EOC according to claim 1, it is characterised in that：The receiver is switch Or server or the central apparatus with power port or the central apparatus with optical port.

7. the web-transporting device based on EOC according to claim 1, it is characterised in that：EOC Node stations can pass through two Optical port or power port realize looped network, point-to-point, cascade, the connected mode of convergence of multiple EOC Node stations, realize and distance reception Machine is in communication with each other.