CN103347096A - IP intelligent cluster monitoring system based on EOC - Google Patents
IP intelligent cluster monitoring system based on EOC Download PDFInfo
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- CN103347096A CN103347096A CN2013103124410A CN201310312441A CN103347096A CN 103347096 A CN103347096 A CN 103347096A CN 2013103124410 A CN2013103124410 A CN 2013103124410A CN 201310312441 A CN201310312441 A CN 201310312441A CN 103347096 A CN103347096 A CN 103347096A
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Abstract
The invention discloses an IP intelligent cluster monitoring system based on an EOC. The IP intelligent cluster monitoring system based on the EOC comprises an EOC local side module, an alternating-current 60V power source module, a distributor/ splitter, an EOC terminal module and a network camera. The EOC local side module is connected with the alternating-current 60V power source module, and the EOC local side module is connected with the EOC terminal module through the distributor/splitter or connected with the network camera integrating the EOC terminal module and a network camera module through the distributor/splitter. The EOC terminal module is connected with the network camera or connected with the network camera module through an Ethernet access. According to the IP intelligent cluster monitoring system, an EOC access mode of the network camera is provided, the convenience of a coaxial network is fully utilized, the IP intelligent cluster monitoring system has the advantages that the transmission distance is far, long-distance power supply is convenient, cost is low, safety is good and maintenance is convenient, and the method for managing IP intelligent cluster video is more flexible.
Description
Technical field
The present invention relates to a kind of cluster monitoring system, relate in particular to a kind of IP intelligence cluster monitoring system based on EOC, belong to IP intelligent monitor system technical field
Background technology
EOC (Ethernet over Coax) ether data are transmitted by coaxial cable.The meaning of IP is " agreement that interconnects between the network ", just communicates the agreement that designs for computer network interconnects.
At present, traditional supervisory control system exist can't remote monitoring, can only onlinely watch in real time, problems such as security row is relatively poor, expansion upgrading trouble, working service difficulty.IP supervisory control system access way commonly used at present has point-to-point access: mainly inserted and the point-to-point access of optical fiber by LAN; Point-to-multipoint inserts, and mainly adopts the EPON access way.Point-to-point access way is simply single, is unfavorable for cluster management, and system availability is not high yet.Though can realize the cluster management of multiple spot, there are 2 deficiencies in the EPON access way: 1, the inner integrated 0NU module of web camera needs or external ONU module, and versatility is not strong; 2, optical fiber can't be powered, and need additionally provide power supply to ONU and web camera power supply.
Summary of the invention
For the weak point in addressing the above problem, the invention provides a kind of IP intelligence cluster monitoring system based on EOC.
For solving above technical problem, the technical solution used in the present invention is: a kind of IP intelligence cluster monitoring system based on EOC, and it comprises EOC local side module, exchanges 60V power module, distribution/prop, EOC terminal module and web camera;
EOC local side module connects interchange 60V power module; EOC local side module is connected with the EOC terminal module by distribution/prop or is connected with the web camera that is integrated with EOC terminal module, web camera module; The EOC terminal module connects web camera or is connected with the web camera module by the Ethernet network interface.
EOC local side module adopts to exchange the power supply of 60V power module and will exchange the 60V power supply and is transparent to the downstream coaxial cable.
The EOC terminal module is used for coaxial power taking, and its power supply is converted to the direct current 12V of web camera needs or the needed power supply of EOC terminal module self in interchange 24V power supply and the web camera.
The EOC terminal module has the POE function of supplying power, and the EOC terminal module is given and supported the PD of IEEE802.3af or IEEE802.3at that power supply is provided as power supply unit.
EOC terminal module in the web camera is based on IEEE1901 and HomePlug AV standard and EOC local side module and carries out the mutual of data.
IP intelligence cluster monitoring system is by wired or Wireless IP network video information to be transmitted with digitized form.At first, it saves equipment cost, need not to install equipment such as video distributor, matrix, DVR, and all correlation functions all can be realized by platform.Secondly, newly-increased control point or client are all very convenient, only need that relevant device is inserted IP network and get final product, and the opening of IP system also makes the user can be anywhere, use multiple mode checking monitoring video data, this facility of bringing for the user is that the traditional analog supervisory control system is incomparable.
IP intelligence cluster monitoring mainly is made of web camera and Access Network, web camera directly provides IP data (comprising data flow and control signal streams such as video voice), be linked into data center by Access Network, carried out the storage of data then by data center, the functions such as transmission of the cutting apart of video, IP data.Thereby realize large-scale IP intelligent monitoring scheme.
The invention provides the EOC access way of web camera, take full advantage of the convenience of coaxial network, have advantages such as long transmission distance, remote power-feeding are convenient, cost is low, fail safe is better, easy to maintenance, make that the mode of IP intelligence cluster video management is more flexible.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1, Fig. 2 are the block diagrams of system of two kinds of execution modes of the present invention.
ONU:(Optical Network Unit) optical node.
OLT:(Optical Line Terminal) optical line terminal is for the terminal equipment that connects fiber optic backbone.
Cable mouth: cable port.Power mouth: power port.AC: alternating current.
PSU:(power supply unit) supply unit.
AC/DC Power: alternating current/DC power supply.
POE (Power Over Ethernet): refer under the situation that existing Ethernet Cat.5 wiring architecture does not make any changes, when being some IP-based terminals (as IP phone machine, wireless local network connecting point AP, web camera etc.) transmission of data signals, kind equipment provides the technology of direct current supply for this reason.
IEEE1901: be wideband electric line network and the most important standard of wisdom electrical network application.
Homeplug AV: be the standard that power line network alliance of family formulates for the needs that satisfy the family digital multimedia transmission, can be implemented in transfer of data on power line, telephone wire and the coaxial cable.
PD:(Power Device) power receiving equipment.
Embodiment
As shown in Figure 1 and Figure 2, the present invention includes EOC local side module, interchange 60V power module, distribution/prop, EOC terminal module and web camera;
EOC local side module connects interchange 60V power module; EOC local side module is connected with the EOC terminal module by distribution/prop or directly is connected with the web camera that is integrated with EOC terminal module, web camera module; The EOC terminal module connects web camera or is connected with the web camera module by the Ethernet network interface.
EOC local side module adopts to exchange the power supply of 60V power module and will exchange the 60V power supply and is transparent to the downstream coaxial cable.
The EOC terminal module is used for coaxial power taking, and its power supply is converted to the direct current 12V of web camera needs or the needed power supply of EOC terminal module self in interchange 24V power supply and the web camera.
The EOC terminal module has the POE function of supplying power, and the EOC terminal module is given and supported the PD of IEEE802.3af or IEEE802.3at that power supply is provided as power supply unit.
EOC terminal module in the web camera is based on IEEE1901 or HomePlug AV standard and EOC local side module and carries out the mutual of data.
Embodiment 1:
As shown in Figure 1, the up going port of EOC local side module connects switch, ONU or OLT, for video surveillance network provides up path, the descending coaxial mouth of EOC local side module is divided into two parts, the one, Cable mouth, this mouth connects descending coaxial cable, by connecting the EOC terminal module behind the distribution/prop; The 2nd, Power mouth, this mouth connect interchange 60V power module, are EOC local side module for power supply by this mouth, and EOC local side module is down transmitted the 60V alternating current simultaneously, is transferred in the coaxial cable, give EOC terminal module and the web camera power supply of back.
Distribution/prop plays the distribution of network and the effect that network signal is isolated as the main devices of coaxial cable, and the signal that EOC local side module is transmitted is distributed into multiple signals, connects a plurality of EOC terminal modules, realizes the management of a plurality of EOC terminals.
The effect of EOC terminal module is to cooperate EOC local side module to finish the mutual mutually of signal, and coaxial mouthful connects up link, and network interface connects web camera, and this mouthful one side provides data link for web camera, provides power supply for web camera on the other hand.
The data port of web camera connects the network interface of EOC terminal module, realizes the two-way interactive of IP data.
The supply power mode of the present main flow of web camera has three kinds: 1, POE power supply 2, AC24V power supply 3, DC12V power supply; Three kinds of supply power modes are according to circumstances optional.The POE power supply distance is far away, can reach hundred meters distances, be fit at a distance can't power taking application scenarios.Power interface perhaps directly passes through the power taking of POE mode from network interface according to the power interface of power supply type connection EOC terminal.
The EOC terminal can be converted to the AC60V power supply on the coaxial network above three kinds of forms, for the POE supply power mode, be equivalent on the basis of the coaxial network of growing Distance Transmission, increase the transmission range of nearly hundred meters netting twines again, made the topology distance of web camera obtain bigger extension.
Because the EOC network maximum transmission distance based on HomePlug AV standard can reach 1km, other traditional approach transmission ranges of comparing increase greatly; Though Optical Fiber Transmission also can solve the problem of long Distance Transmission, but the power supply of Optical Fiber Transmission is a problem, must be in the power taking of web camera near-end, this just needs to dispose in addition power line to the web camera near-end, needs extra quantities and the Material Cost of increasing.
And can transmit power supply simultaneously with signal based on the EOC network of HomePlug AV standard, when having solved long Distance Transmission problem, also solved the problem of web camera power taking.Realized the point-to-multipoint cluster management simultaneously, for building the IP intelligent monitor system, provide that a kind of cost is low, short construction period, the simple efficient implementation of construction maintenance.
Embodiment 2:
As shown in Figure 2, the up going port of EOC local side module connects switch, ONU or OLT, for video surveillance network provides up path, descending coaxial mouthful of the EOC local side connects descending coaxial network, is connected to the web camera that is integrated with the EOC terminal module by distribution/prop.
Web camera is divided into two parts: EOC terminal module and web camera module.Web camera module and general network video camera and indifference only need be reserved out network interface and the power port of docking with EOC terminal module data port and get final product.Network interface is used for the mutual mutually of data, and power port is used for powering to the EOC terminal module.
Above-mentioned execution mode is not to be limitation of the present invention; the present invention also is not limited in above-mentioned giving an example; variation, remodeling, interpolation or replacement that those skilled in the art make in technical scheme scope of the present invention also all belong to protection scope of the present invention.
The EOC technology based on HomePlug AV and IEEE1901 standard of one of three big standards that the present invention promotes mainly based on present China national broadcasting and TV combines this EOC technology and IP intelligent monitor system.
EOC local side module is connected with the EOC terminal by coaxial distribution network, and the EOC terminal module is connected with web camera by Ethernet interface again, thereby realizes the transmitted in both directions of data.Interchange 60V power supply unit is transferred to 60V alternating current and IP data mixing in the coaxial network by the duplexer of EOC local side module together, the EOC terminal receives the 60V alternating current that transmission over networks is come, be converted into the required power supply of web camera, thereby realized the long-distance transmissions of power supply.
EOC maximum transmission distance based on HomePlug AV reaches 1km, can realize remote transfer of data and power supply.
The work functions of each several part is respectively:
The function of 60V power supply unit is that the 220V civil power is converted to the voltage that is applied on the coaxial cable is 60V, and frequency is the alternating current of power frequency.
EOC local side operation principle based on Homeplug AV is: according to HomePlug AV and IEEE1901 standard the EOC terminal of hanging is down registered identification, issue the IP data by the burst mode, by mode receiving terminal IP data such as CSMA/CA/TDMA, thereby realize the transmission of IP data double-way.Descending is the IP data to be modulated on the coaxial network transmit, and the data of uplink demodulation coaxial network are the IP data.Simultaneously, the terminal that the management of EOC local side is hung down, a port of EOC local side can be hung 253 terminals at most down, can realize the cluster management of point-to-multipoint.
The effect of coaxial network branch/distributor is for downstream signal: the power of input signal is divided according to the quantity of port, be delivered to each output port; For upward signal: upload after the signal of each port merged.Thereby realize the distribution of signal, simultaneously, have certain isolation between each road output, to reduce influencing each other between each road signal.
The EOC terminal module is the subscriber unit that cooperates EOC local side module, be placed on front end, finish registration according to HomePlugAV and IEEE1901 standard and local side after, descending reception local side is issued to the data on the coaxial cable, it is demodulated into the IP data, is transferred to web camera again; The IP data of up reception web camera transmission are modulated to it and are transferred to EOC local side module on coaxial network, realize the two-way interactive of IP data.
The main effect of web camera is to gather video and acoustic information, converts thereof into the IP data of standard, is uploaded to Surveillance center and handles, and also receives the IP data simultaneously, is converted into control command and carries out.
Directly the EOC terminal module is integrated in the web camera, web camera is connected with EOC local side module by coaxial cable.The web camera module is converted to the IP data with video and the acoustic information that collects, send the EOC terminal module to by network interface, finished the modulation of IP data by the EOC terminal module, the data of having modulated are sent to the EOC local side apparatus according to the standard of HomePlug AV by coaxial network, finish the demodulation of data by EOC local side module again, thereby finish the uplink of data.Downlink data is then opposite, the EOC local side apparatus receives the IP data that upstream equipment transmits, it is modulated on the coaxial network, carry out the transmission of data then according to the standard of HomePlug AV, EOC terminal module in the web camera receives the data that the EOC local side sends, it is carried out demodulation, and demodulated I P data are connected to the web camera module by network interface, realize the control and management to web camera.
Claims (5)
1. one kind based on the IP of EOC intelligence cluster monitoring system, and it is characterized in that: it comprises EOC local side module, exchanges 60V power module, distribution/prop, EOC terminal module and web camera;
Described EOC local side module connects interchange 60V power module; Described EOC local side module is connected with the EOC terminal module by distribution/prop or is connected with the web camera that is integrated with EOC terminal module, web camera module; Described EOC terminal module connects web camera or is connected with the web camera module by the Ethernet network interface.
2. a kind of IP intelligence cluster monitoring system based on EOC according to claim 1, it is characterized in that: described EOC local side module adopts to exchange the power supply of 60V power module and will exchange the 60V power supply and is transparent to the downstream coaxial cable.
3. a kind of IP intelligence cluster monitoring system based on EOC according to claim 1, it is characterized in that: described EOC terminal module is used for coaxial power taking, and its power supply is converted to the direct current 12V of web camera needs or the needed power supply of EOC terminal module self in interchange 24V power supply and the web camera.
4. a kind of IP intelligence cluster monitoring system based on EOC according to claim 1, it is characterized in that: described EOC terminal module has the POE function of supplying power, the EOC terminal module is given and is supported the PD of IEEE802.3af or IEEE802.3at that power supply is provided as power supply unit.
5. a kind of IP intelligence cluster monitoring system based on EOC according to claim 1 is characterized in that: the EOC terminal module in the described web camera be based on IEEE1901 and HomePlug AV standard and EOC local side module carry out data alternately.
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Cited By (8)
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CN104581445A (en) * | 2014-12-19 | 2015-04-29 | 镇江丰成民用联网设备科技有限公司 | Remote passive communication and control system |
CN104581052A (en) * | 2014-12-19 | 2015-04-29 | 镇江丰成民用联网设备科技有限公司 | Monitoring system capable of moving within local scope |
CN104581053A (en) * | 2014-12-19 | 2015-04-29 | 镇江丰成民用联网设备科技有限公司 | Passive video monitoring system for fight protection |
CN104639895A (en) * | 2014-12-19 | 2015-05-20 | 镇江丰成民用联网设备科技有限公司 | Passive video monitoring system for mine field |
CN104994323A (en) * | 2015-07-21 | 2015-10-21 | 常熟市高事达光电科技有限公司 | Outdoor EOC (Ethernet Over Cable) device |
CN106210668A (en) * | 2016-08-31 | 2016-12-07 | 杭州中威电子股份有限公司 | Web-transporting device based on EOC |
CN106374754A (en) * | 2016-10-11 | 2017-02-01 | 博为科技有限公司 | Alternating current power supply apparatus and alternating current power supply method |
CN106685669A (en) * | 2015-11-09 | 2017-05-17 | 恩德莱斯和豪瑟尔两合公司 | PoE-System for use in Automation Technology |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104581445A (en) * | 2014-12-19 | 2015-04-29 | 镇江丰成民用联网设备科技有限公司 | Remote passive communication and control system |
CN104581052A (en) * | 2014-12-19 | 2015-04-29 | 镇江丰成民用联网设备科技有限公司 | Monitoring system capable of moving within local scope |
CN104581053A (en) * | 2014-12-19 | 2015-04-29 | 镇江丰成民用联网设备科技有限公司 | Passive video monitoring system for fight protection |
CN104639895A (en) * | 2014-12-19 | 2015-05-20 | 镇江丰成民用联网设备科技有限公司 | Passive video monitoring system for mine field |
CN104994323A (en) * | 2015-07-21 | 2015-10-21 | 常熟市高事达光电科技有限公司 | Outdoor EOC (Ethernet Over Cable) device |
CN104994323B (en) * | 2015-07-21 | 2017-10-10 | 苏州市高事达信息科技股份有限公司 | Field EOC equipment |
CN106685669A (en) * | 2015-11-09 | 2017-05-17 | 恩德莱斯和豪瑟尔两合公司 | PoE-System for use in Automation Technology |
CN106210668A (en) * | 2016-08-31 | 2016-12-07 | 杭州中威电子股份有限公司 | Web-transporting device based on EOC |
CN106374754A (en) * | 2016-10-11 | 2017-02-01 | 博为科技有限公司 | Alternating current power supply apparatus and alternating current power supply method |
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