CN212231612U

CN212231612U - EOC network monitoring transmission system with POE

Info

Publication number: CN212231612U
Application number: CN202020964613.8U
Authority: CN
Inventors: 杨旭峰; 伍伟东
Original assignee: Greatway Technology Co ltd
Current assignee: Greatway Technology Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2020-12-25
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a EOC network monitoring transmission system with POE, include: switch, host computer end, slave machine end and POE camera, the host computer end includes: EOC host computer module, POE receive electric module PD, coaxial feed and lightning protection module and host computer DC-DC conversion module, include from the machine end: the system comprises an EOC slave module, a POE feed module PSE, a coaxial power receiving and lightning protection module and a slave DC-DC conversion module, wherein the host end is connected with the slave end through a coaxial cable. The utility model discloses a set up POE respectively in host computer end and follow the machine end and receive power module PD and POE feed module PSE for during the host computer end of EOC system and follow the machine end and insert POE network, the supervisory equipment of the current EOC system of being convenient for reforms transform to POE system, avoids large-scale demolising and repair work, reduces and reforms transform the cost. And the host end and the slave end are connected through the coaxial cable, so that the effective transmission distance of data signals is increased, the video signals are ensured not to be distorted, and the stability of signal transmission is improved.

Description

EOC network monitoring transmission system with POE

Technical Field

The utility model relates to a security protection video monitoring field especially relates to an EOC network monitoring transmission system with POE.

Background

In the security industry of video transmission or monitoring, video information is mainly transmitted through two transmission systems, one is a traditional coaxial transmission analog system (EOC), and the other is a newly-developed twisted pair digital network transmission system (POE). Since the transmission data of the digital network transmission system is compatible with the existing Internet network, and is convenient for further transmission and processing, the digital network transmission system is more and more favored by users. However, for a user to change from a coaxial transmission analog system to a digital network transmission system, the wiring of the old system needs to be removed and the network cable needs to be re-laid. The cost of the modification is high, and especially for the working environment of buried wiring, such as hotels and banks, the processing cost of wall breaking and repairing works is additionally increased.

Although the digital network transmission system is compatible with Internet network transmission, the maximum transmission distance of the twisted-pair network cable is 80-100 meters, and beyond the maximum transmission distance, data distortion or data loss is caused, which is not favorable for the market demand of long-distance transmission.

Accordingly, the prior art is deficient and needs improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming prior art's not enough, providing a EOC network monitoring transmission system with POE, two kinds of compatible transmission systems avoid the large tracts of land to demolish and repair work, prolong effective transmission distance simultaneously.

The technical scheme of the utility model as follows: the utility model provides a EOC network monitoring transmission system with POE, includes: the switch, with the host computer end that the switch is connected, with the host computer end that is connected and with from the POE camera that the machine end is connected, the host computer end includes: EOC host computer module, POE receive the power module PD, connect POE receives the coaxial feed and the lightning protection module of power module PD and slave machine end and connects the host computer DC-DC conversion module of POE received power module PD and EOC host computer module, include from the machine end: EOC is from module, POE feed module PSE, connect coaxial receiving and lightning protection module and connection of POE feed module PSE and host computer end the follow machine DC-DC conversion module of POE feed circuit PSE and EOC from module, the host computer end is connected through coaxial cable with the follow terminal, the switch passes through the POE receiving module PD of net twine connection host computer end, the POE camera passes through the POE feed module PSE of net twine connection follow terminal.

Further, the communication protocol specification adopted by the EOC host module at the host end includes: IEEEP1901, MOCA, PLC.

Further, the communication protocol specification adopted by the EOC slave module at the slave end includes: IEEEP1901, MOCA, PLC.

Further, the host receives power voltage from the switch through a POE power receiving module PD, supplies power to the EOC host module after passing through the host DC-DC conversion module, the host feeds power to the slave through a coaxial power feeding and lightning protection module, the slave receives power voltage from the host through the coaxial power receiving and lightning protection module, supplies power to the EOC slave through the slave DC-DC conversion module, and the slave feeds power to the POE camera through the POE power feeding module PSE.

Further, the POE powered module PD at the host end and the POE interaction of the switch satisfy ieee802.3af or ieee802.3at protocol standards.

Further, the POE interaction between the POE power feeding module PSE at the slave end and the POE camera meets the ieee802.3af or ieee802.3at protocol standard.

Further, a local DC48V power supply is connected to the host DC-DC conversion module at the host end.

Further, a local DC48V power supply is connected to the slave DC-DC conversion module at the slave end.

Further, the coaxial line is a 75 ohm coaxial cable.

Adopt above-mentioned scheme, the utility model discloses a set up POE respectively in host computer end and follow the machine end and receive power module PD and POE feed module PSE for during the host computer end of EOC system and follow the machine end and insert POE network, the supervisory equipment of the current EOC system of being convenient for reforms transform to POE system, avoids large-scale demolising and repair work, reduces and reforms transform the cost. And the host end and the slave end are connected through the coaxial cable, so that the effective transmission distance of data signals is increased, the video signals are ensured not to be distorted, and the stability of signal transmission is improved.

Drawings

Fig. 1 is a connection block diagram of the present invention.

Fig. 2 is a connection block diagram of a host side.

Fig. 3 is a connection block diagram of the slave side.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to fig. 3, the present invention provides an EOC network monitoring transmission system with POE, including: the switch, with the host computer end that the switch is connected, with the slave computer end that the host computer end is connected, and with the POE camera that the slave computer end is connected. The host side includes: EOC host module, POE receive the power module PD, connect POE receive the power module PD and follow coaxial feed and the lightning protection module of machine end and connect the host computer DC-DC conversion module of POE receive power module PD and EOC host module. The slave end comprises: the system comprises an EOC slave module, a POE feed module PSE, a coaxial power receiving and lightning protection module connected with the POE feed module PSE and a host end, and a slave DC-DC conversion module connected with the POE feed circuit PSE and the EOC slave module. The host end is connected with the slave end through a coaxial cable, the switch is connected with the POE power receiving module PD at the host end through a network cable, and the POE camera is connected with the POE feeder module PSE at the slave end through a network cable. Through coaxial cable connection host computer end and follow the machine end, for the net twine transmission in the POE system, can effectively prolong the transmission distance of data, guarantee data signal's in the long distance transmission stability.

The communication of the host end is to carry out OFDM + QAM modulation on network bidirectional signals transmitted by the switch through the EOC host module and transmit the signals to the slave end through a coaxial cable, so that the transmission of the network signals on the coaxial cable is completed. The slave end receives the signal from the host end, demodulates and converts the signal into IP network data, and sends the IP network data to the camera through the network cable. The communication principle of the slave end is the same as that of the host end. The POE camera transmits shot video signals to a slave end, OFDM + QAM modulation is carried out on the video signals through an EOC slave module, the video signals are transmitted to a host end through a coaxial cable, the host end carries out demodulation and conversion on the video signals into IP network data, and the IP network data are sent to a switch and accessed to a switching network. Through set up POE power receiving module PD and POE feed module PSE respectively in host computer end and the end of following the computer for during the host computer end of EOC system and the end of following the computer cut in the POE network, the supervisory equipment of the current EOC system of being convenient for reforms transform to the POE system, avoids large-scale demolising and repair work, reduces and reforms transform the cost.

The communication protocol specification adopted by the EOC host module at the host end comprises the following steps: IEEEP1901, MOCA, PLC.

The communication protocol specification adopted by the EOC slave module at the slave end comprises the following steps: IEEEP1901, MOCA, PLC.

The host end receives power voltage from the switch through a POE power receiving module PD, the power supply is carried out for the EOC host module after the host DC-DC conversion module, the host end feeds power to the slave end through a coaxial power feeding and lightning protection module, the slave end receives the power voltage from the host end through the coaxial power receiving and lightning protection module, the power supply is carried out for the EOC slave module through the slave DC-DC conversion module, and the slave end feeds power to the POE camera through the POE power feeding module PSE.

And the POE interaction between the POE powered module PD at the host end and the POE of the switch meets the IEEE802.3af or IEEE802.3at protocol standard.

And the POE interaction between the PSE and the POE camera of the POE feed module at the slave terminal meets the IEEE802.3af or IEEE802.3at protocol standard.

And the host DC-DC conversion module at the host end is connected with a local DC48V power supply. When the host end is connected with the switch without the POE power supply function, the local power supply can supply power for the host end.

And a local DC48V power supply is connected to the slave DC-DC conversion module at the slave end. The slave end is compatible with local power supply input, so that the slave end can work normally under the condition that a coaxial cable has no power supply transmission, and the compatibility and the reliability are improved.

The coaxial line is a 75 ohm coaxial cable, the transmission requirement of data signals within 1000m can be met, and the stability of data transmission is improved.

To sum up, the utility model discloses a set up POE respectively in host computer end and follow the machine end and receive power module PD and POE feed module PSE for during the host computer end of EOC system and follow the machine end and insert POE network, the supervisory equipment of the current EOC system of being convenient for reforms transform to POE system, avoids large-scale demolising and repair work, reduces and reforms transform the cost. And the host end and the slave end are connected through the coaxial cable, so that the effective transmission distance of data signals is increased, the video signals are ensured not to be distorted, and the stability of signal transmission is improved.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An EOC network monitoring transmission system with POE, comprising: the switch, with the host computer end that the switch is connected, with the host computer end that is connected and with from the POE camera that the machine end is connected, the host computer end includes: EOC host computer module, POE receive the power module PD, connect POE receives the coaxial feed and the lightning protection module of power module PD and slave machine end and connects the host computer DC-DC conversion module that POE received power module PD and EOC host computer module, include from the machine end: EOC is from module, POE feed module PSE, connect POE feed module PSE and host computer end coaxial receive power and lightning protection module and connect POE feed circuit PSE and EOC are from machine DC-DC conversion module of module, the host computer end is connected through coaxial cable with from the machine end, the switch passes through the POE of net twine connection host computer end and receives the power module PD, the POE camera passes through the POE feed module PSE of net twine connection slave computer end.

2. An EOC network monitoring transmission system with POE according to claim 1, wherein the communication protocol specification adopted by the EOC host module at the host end includes: IEEEP1901, MOCA, or PLC.

3. An EOC network monitoring transmission system with POE according to claim 1, wherein the communication protocol specification adopted by the EOC slave module at the slave end comprises: IEEEP1901, MOCA, or PLC.

4. An EOC network monitoring transmission system with POE as claimed in claim 1, wherein the host receives power voltage from the switch through a POE power receiving module PD, and supplies power to the EOC host module after passing through the host DC-DC conversion module, the host feeds power to the slave through a coaxial feeding and lightning protection module, the slave receives power voltage from the host through the coaxial power receiving and lightning protection module, and supplies power to the EOC slave module through the slave DC-DC conversion module, and the slave feeds power to the POE camera through a POE power feeding module PSE.

5. An EOC network monitoring transmission system with POE as claimed in claim 4, wherein the POE interaction between the host side POE powered module PD and the switch meets the IEEE802.3af or IEEE802.3at protocol standard.

6. An EOC network monitoring transmission system with POE according to claim 4, wherein the POE interaction of the POE power feeding module PSE at the slave end and the POE camera meets the IEEE802.3af or IEEE802.3at protocol standard.

7. An EOC network monitoring transmission system with POE according to claim 1, wherein the host DC-DC conversion module at the host end is connected with a local DC48V power supply.

8. An EOC network monitoring transmission system with POE as claimed in claim 1, wherein the slave DC-DC conversion module at the slave end is connected with a local DC48V power supply.

9. An EOC network monitoring transmission system with POE according to claim 1, wherein the coaxial cable is a 75 ohm coaxial cable.