CN202721683U

CN202721683U - Remote monitoring collector applied to mobile multimedia broadcasting system

Info

Publication number: CN202721683U
Application number: CN 201220359201
Authority: CN
Inventors: 郭倩; 张卫健
Original assignee: Beijing Tongfang Gigamega Technology Co Ltd
Current assignee: Beijing Tongfang Gigamega Technology Co Ltd
Priority date: 2012-07-24
Filing date: 2012-07-24
Publication date: 2013-02-06
Anticipated expiration: 2022-07-24

Abstract

The utility model provides a remote monitoring collector applied to a mobile multimedia broadcasting system and relates to the technical field radio emission. According to the utility model, the remote monitoring collector applied to the mobile multimedia broadcasting system comprises a main control board and an expansion board which is connected with the main control board. The main control board comprises a main control chip S3C2440, a NORFLASH non-volatile flash memory, a NANDFLASH non-volatile flash memory and a synchronous dynamic random access memory SDRAM. The expansion board comprises an RJ45 Ethernet interface, a USBHOST interface, a front control panel interface, an input and output interface, a real-time clock and a number of serial interfaces. Compared with the prior art, the remote monitoring collector applied to the mobile multimedia broadcasting system can read the operating states of related broadcast equipment, ancillary equipment and the like in a CMMB emission station and a front end computer room in real time, and has the characteristics of complete function, compact structure, comprehensive configuration, and convenient installation, use and maintenance.

Description

A kind of remote monitoring collector for mobile multimedia broadcast system

Technical field

The utility model relates to the broadcast transmission technical field, especially for Mobile Multimedia Broadcasting (CMMB) the broadcast system medium-long range watch-dog that gathers distinct device manufacturer and provide.

Background technology

China Mobile multimedia broadcasting be SARFT(The State Administration of Radio and Television) formal promulgate, by the Mobile Multimedia Broadcasting standard of China's independent research.Can satisfy the demand that people " see TV whenever and wherever possible ".At present, the work of national CMMB Networking construction is finished substantially, in networking and later stage network operation, because the station is far beyond remote, and the collecting device that does not have unified standard makes the existing equipment deficient function, installs and uses and safeguard inconvenience, can not in time find and the treatment facility fault.

Summary of the invention

The deficiency that exists in order to solve above-mentioned prior art, the purpose of this utility model provides a kind of remote monitoring collector for mobile multimedia broadcast system.It can realize that the relevant playing device in the CMMB emission station and the headend room, auxiliary device etc. are carried out real-time operating state to be read, have multiple functional, compact conformation, configuration comprehensively, install and use characteristics easy to maintenance.

In order to reach the foregoing invention purpose, the technical solution of the utility model realizes as follows:

A kind of remote monitoring collector for mobile multimedia broadcast system, its design feature be, it comprise master board and respectively with the interconnective expansion board of master board.Described master board comprises Master control chip S3C2440, NOR FLASH nonvolatile flash memory, NAND FLASH nonvolatile flash memory and synchronous dynamic random access memory SDRAM.Described expansion board comprises a RJ45 Ethernet interface, USB HOST interface, front control panel interface, input/output interface, real-time clock and a plurality of serial line interface.The built-in network switch of the RJ45 Ethernet interface of expansion board and collector links to each other, and tells eight the tunnel and is connected with the extension of network plate and places on the collector rear board, is used for connecting by collecting device.Input/output interface comprises the input of ten two-way switch amounts, way switch amount output and one road analog input, and input/output interface also places and is used for external equipment on the collector rear board.Serial line interface is to place the RS485/232 interface on the collector rear board to be used for connecting by collecting device.Real-time clock provides temporal information for data information acquisition.Front control panel interface links to each other with front control panel, be used for the State-output indication, front control panel comprises a plurality of network interface communication indicator lights, a plurality of serial communication indicator light, a plurality of relay indicating light, reset button, operation maintenance diverter switch and mains switch, the connection status of respectively corresponding each the RJ45 Ethernet interface of each network interface communication indicator light, the connection status of respectively corresponding each serial line interface of each serial communication indicator light.

In above-mentioned remote monitoring collector, described RJ45 Ethernet interface is eight, and serial line interface is four.

The utility model is owing to adopted said structure, it can be launched relevant playing device, auxiliary device in the station and the headend room to CMMB and carry out real-time operating state and read, and in time send the data that collect to the prefecture-level city monitor supervision platform, so that the operator on duty understands the ruuning situation of playing device at any time.The utility model collector has been equipped with and has enriched complete communication interface, supports the networks such as local area network (LAN), can satisfy under the Different field environment requirement to telecommunication.Simultaneously, the utility model possesses powerful calculation process core, and data processing speed is fast.Have multiple functional, compact conformation, equipment volume is little, outfit is comprehensive, install and use all characteristics very easily of maintenance, use should be widely promoted.

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.

Description of drawings

Fig. 1 is the utility model system structural framework figure;

Fig. 2 is control panel figure before the utility model collector;

Fig. 3 is the utility model collector rear board figure.

Embodiment

Referring to Fig. 1 to Fig. 3, the utility model collector comprise master board 1 and respectively with master board 1 interconnective expansion board.Master board 1 comprises Master control chip S3C2440, NOR FLASH nonvolatile flash memory, NAND FLASH nonvolatile flash memory and synchronous dynamic random access memory SDRAM.Expansion board comprises a RJ45 Ethernet interface 2, USB HOST interface 4, front control panel interface 5, input/output interface 6, real-time clock 7 and four serial line interfaces 8.RJ45 Ethernet interface 2 is connected with the built-in network switch 3 of collector respectively, tells eight the tunnel and links to each other with extension of network plate 9 and place on the collector rear board, is used for connecting by collecting device.Input/output interface 6 comprises the input of ten two-way switch amounts, way switch amount output and one road analog input, and input/output interface 6 also places and is used for external equipment on the collector rear board.Serial line interface 8 comprises that four place the RS485/232 interface on the collector rear board to be used for connecting by collecting device.Real-time clock 7 provides temporal information for data information acquisition.Comprise a plurality of network interface communication indicator lights, a plurality of serial communication indicator light, a plurality of relay indicating light, reset button, operation maintenance diverter switch and mains switch on the front control panel 5.The connection status of respectively corresponding each the RJ45 Ethernet interface 2 of each network interface communication indicator light, the connection status of respectively corresponding each serial line interface 8 of each serial communication indicator light.Also be equipped with transmitter, multiplexer, satellite receiver, adapter, optical transceiver, microwave equipment, GPS receiver and repeater agreement in the collector.

Master board 1 connects the expansion that the built-in network switch of collector 3 is realized network interface by RJ45 Ethernet interface 2 in the utility model.For making things convenient for drawing of Multi-netmouth, RJ45 Ethernet interface 2 has been realized the connection from the network switch 3 to the collector external interface.The utility model connects USB flash disk equipment by USB HOST interface 4, can realize the storage inside to the machine room integrated information.Integrated a plurality of LED light on the front control panel 5 can conveniently be indicated circuit state and Interface status, and can realize the switching of instrument operation/service mode, the switching of 485/232 interface modes.The utility model has also adopted battery system on the plate, can keep real-time clock 7 and get time counting in the situation that dispatch from foreign news agency is lost, and guarantees the accuracy of real-time time, also can finish the civil power monitoring function simultaneously.

During the utility model work, be plugged power supply, watch-dog and collector physical connection are good, and the good server ip of login collector WEB interface configurations, port and watch-dog information are restarted collector and got final product.If eight RJ45 Ethernet interfaces 2 are connected with equipment, then corresponding network interface communication indicator light flicker, not connection device then indicator light go out.When four serial line interfaces 8 had data transmit-receive, corresponding serial communication indicator light was bright, otherwise goes out.Relay indicating light shows corresponding operating state, such as power supply state, whether external power supply, collector updating operation are finished etc.Pin reset button several seconds on the front control panel 5 with pointed object, can make the collector factory reset.When operation maintenance diverter switch button is upspring, this moment Push-button lamp Chang Liang, when switching collector to service mode, operation maintenance diverter switch button is pressed, Push-button lamp goes out at this moment.Four serial line interfaces 8 are used for connecting by collecting device, and are consistent with the serial ports address that reality connects during by collecting device in the WEB interface configurations.The utility model also is provided with a Debug mouth, is used for the collector internal processes and safeguards the debugging use, can not connect by collecting device.

The utility model can gather in the CMMB broadcast system that distinct device manufacturer provides and be subjected to the operating whole working status parameter of prison/control equipment, and upload to districts and cities' monitor supervision platform by unified data output interface agreement, interface protocol adopts unified TCP/IP Apple talk Data Stream Protocol Apple Ta, applicable to different transmission approach (comprising wideband transmit and GPRS transmission etc.).

Claims

1. remote monitoring collector that is used for mobile multimedia broadcast system, it is characterized in that, it comprise master board (1) and respectively with the interconnective expansion board of master board (1), described master board (1) comprises Master control chip S3C2440, NOR FLASH nonvolatile flash memory, NAND FLASH nonvolatile flash memory and synchronous dynamic random access memory SDRAM, described expansion board comprises a plurality of RJ45 Ethernet interfaces (2), USB HOST interface (4), front control panel interface (5), input/output interface (6), real-time clock (7) and a plurality of serial line interface (8), the built-in network switch (3) of a RJ45 Ethernet interface (2) and collector interconnects, telling eight the tunnel links to each other with extension of network plate (9) and places on the collector rear board, be used for connecting by collecting device, input/output interface (6) comprises the input of ten two-way switch amounts, the output of one way switch amount and one road analog input, input/output interface (6) also places and is used for external equipment on the collector rear board, serial line interface (8) is to place the RS485/232 interface on the collector rear board to be used for connecting by collecting device, real-time clock (7) provides temporal information for data information acquisition, front control panel interface (5) links to each other with front control panel, be used for the State-output indication, comprise a plurality of network interface communication indicator lights on the front control panel, a plurality of serial communication indicator lights, a plurality of relay indicating lights, reset button, operation maintenance diverter switch and mains switch, the connection status of respectively corresponding each the RJ45 Ethernet interface (2) of each network interface communication indicator light, the connection status of respectively corresponding each serial line interface of each serial communication indicator light (8).

2. remote monitoring collector according to claim 1 is characterized in that, described RJ45 Ethernet interface (2) is eight, and serial line interface (8) is four.