CN101470937A - Access machine of urban monitoring alarm networking system and its monitoring method - Google Patents
Access machine of urban monitoring alarm networking system and its monitoring method Download PDFInfo
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- CN101470937A CN101470937A CNA2007103041056A CN200710304105A CN101470937A CN 101470937 A CN101470937 A CN 101470937A CN A2007103041056 A CNA2007103041056 A CN A2007103041056A CN 200710304105 A CN200710304105 A CN 200710304105A CN 101470937 A CN101470937 A CN 101470937A
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Abstract
The invention provides an accessing machine of an urban monitoring alarm networking system (hereinafter using abbreviation accessing machine), which is connected between an alarm monitoring platform which adopts a standard interface and a plurality of video monitoring devices which adopt different communication protocols, wherein the accessing machine comprises a central processing unit which is provided with an extended service module, a state and mechanism conversion module and a standard protocol input or output module, wherein various video monitoring devices can be safely and reliably accessed into a network alarm monitoring system. The invention also provides a network monitoring method. The accessing machine and the method have the advantages that since a one to one mode is adopted to set the accessing machine, the protocol conversion problem between the video monitoring devices and the alarm monitoring platform can be stably processed, the distributed processing can not affect other devices or users when a front end point generates problems, the system stability is higher, the installation and assembly are more convenient, and the machine and the method play an active prompting role to the standard course of an alarm network monitoring device.
Description
Technical field
The present invention relates to control device, particularly a kind of supervision of the cities alarm network system inserts the method for machine and monitoring thereof.
Background technology
Along with the development of supervisory system digitizing, networking, for equipment integrations such as the digital hard disc video recorder of different manufacturers, digital video frequency server is more and more stronger to the demand in the same alarm network supervisory system; Because do not have unified video alarm monitoring networking protocol standard at present, the network function of the watch-dog of each producer all is self-ordained agreement now, video format, working mechanism also have nothing in common with each other.In this case, if the equipment of system adopts the mode of directly compatible each the producer's agreement of alarm platform, the complexity of alarm monitoring platform is improved greatly, and the stability of system will descend greatly, simultaneously, the cost of system can raise in amplitude.If adopt unified alarm monitoring platform, each producer's watch-dog (hereinafter to be referred as video monitoring equipment) will be stablized the unified alarm monitoring platform of access, will design and develop improved products, comprise the function that alarm monitoring systems such as realtime graphic transmission, speech talkback, warning, equipment routing inspection, video file retrieval and download, information configuration are used.This also is not easy to realize.Therefore, the function of existing video monitoring equipment is organically integrated, become the problem that needs are urgently finished.
Summary of the invention
The objective of the invention is to overcome the defective that existing technology exists, provide a kind of system stability higher, avoid influencing each other between the video monitoring equipment and help the standardized supervision of the cities alarm network system of alarm network watch-dog and insert machine, and provide a kind of method of network monitoring simultaneously.
For achieving the above object, supervision of the cities alarm network system provided by the invention inserts machine, be connected between alarm monitoring platform that adopts standard interface and the various video watch-dog that adopts different communications protocol, comprise a central processing unit, described central processing unit is provided with:
The expansion service module is used for carrying out Signalling exchange with the video monitoring equipment that adopts different communications protocol;
State, mechanism transformation module are used for the different transmission mechanisms of each video monitoring equipment are converted to the unified standard transmission mechanism of alarm monitoring platform;
The standard agreement input/output module is used under outputting standard agreement and the standard media form alarm monitoring information with the communication of alarm monitoring platform.
Supervision of the cities alarm network system of the present invention inserts machine, wherein said expansion service module comprises a plurality of submodules, each submodule links to each other with the video monitoring equipment with different communications protocol respectively, and the information of each submodule Signalling exchange comprises that equipment lands, status poll, warning reception and Streaming Media are subscribed to.
Supervision of the cities alarm network system of the present invention inserts machine, and it is the chip of S3C2410AL that wherein said central processing unit adopts model.
Supervision of the cities alarm network system of the present invention inserts machine, and wherein said central processing unit also is provided with and is used for the network element of communicating by letter with video monitoring equipment with the alarm monitoring platform, and it is the Ethernet interface chip of CS8900A that described network element adopts model.
Supervision of the cities alarm network system of the present invention inserts machine, and wherein said central processing unit also is provided with continuous RS232/485/422 Peripheral Interface.
Supervision of the cities alarm network system of the present invention inserts machine, and wherein said network element is provided with two-way 10M Ethernet data transmission channel.
For achieving the above object, the method of network monitoring provided by the invention, this method connects by supervision of the cities alarm network system access machine between the various video watch-dog of the alarm monitoring platform that adopts standard agreement and standard media form and the different communications protocol of employing, the different disposal mode of non-standard video watch-dog information is converted to fully the standard processing mode of standard alarm monitoring platform information, provide alarm monitoring under standard agreement and the standard media form to the alarm monitoring platform, it is characterized in that: this method is carried out following steps:
(1) starts central processing unit, read configuration file, sign in to the alarm monitoring platform, also sign in to simultaneously on each corresponding video monitoring equipment according to the content of configuration file;
(2) creating a standard protocol service thread, alarm monitoring platform use standard agreement to send order to the access machine, after the access machine receives orders, command conversion are become the order that video monitoring equipment is supported, send to video monitoring equipment;
(3) create the expansion service thread, when video monitoring equipment generation alert event, the access machine receives warning message, convert thereof into the standard warning message, and the warning message after will changing sends to the alarm monitoring platform;
(4) central processing unit is monitored in real time to the state of video monitoring equipment;
The method of network monitoring of the present invention, wherein said step (2) creating a standard protocol service thread execution following steps: after logining successfully, at first the standard agreement input/output module of central processing unit receives the subscription Streaming Media order of alarm monitoring platform and handles the order of receiving, calls the order of state, mechanism transformation module converts one-tenth subscription video monitoring equipment Streaming Media; Then, the response of the video monitoring equipment that the expansion service module is received converts the Streaming Media subscription response of standard to again, sends back to the alarm monitoring platform by the standard agreement input/output module, finishes the Streaming Media subscription operation one time.
The method of network monitoring of the present invention, wherein said step (3) is created the video monitoring equipment service thread and is carried out following steps: after logining successfully, at first central processing unit calls state, the mechanism transformation module enters the streaming media transcoding state, the expansion service module receives the real time flow medium data from video monitoring equipment, calls state, the mechanism transformation module converts becomes the standard stream media code stream; Then, send to video monitoring platform by the standard agreement input/output module again, finish the transmission of Streaming Media.
The method of network monitoring of the present invention is provided with the abnormality detection step between wherein said step (4) and the step (5): when the video monitoring equipment fault, central processing unit notice alarm monitoring platform is in order to handle faulty equipment.
Supervision of the cities alarm network system of the present invention inserts the method for machine and monitoring thereof, advantage is: owing to adopt man-to-man pattern to be provided with the access machine, can stably handle the problem of protocol conversion between video monitoring equipment and alarm monitoring platform, this distributed treatment, when a forward terminal goes wrong, can not have influence on miscellaneous equipment and user, system stability is higher, also be convenient to configuration is installed, will play positive impetus the standardized process of alarm network watch-dog.
Be elaborated with reference to accompanying drawing below in conjunction with embodiment, in the hope of purpose of the present invention, feature and advantage are obtained more deep understanding.
Description of drawings
Fig. 1 inserts the block scheme of machine for supervision of the cities alarm network system of the present invention;
Fig. 2 inserts the circuit diagram one of machine central processing unit for supervision of the cities alarm network system of the present invention;
Fig. 3 inserts the circuit diagram two of machine central processing unit for supervision of the cities alarm network system of the present invention;
Fig. 4 inserts the circuit diagram three of machine central processing unit for supervision of the cities alarm network system of the present invention;
Fig. 5 is the circuit theory diagrams of network interface in the supervision of the cities alarm network system access machine of the present invention;
Fig. 6 inserts the process flow diagram of machine main thread for supervision of the cities alarm network system of the present invention;
Fig. 7 inserts the process flow diagram of machine standards service thread for supervision of the cities alarm network system of the present invention;
Fig. 8 inserts the process flow diagram of machine expansion service thread for supervision of the cities alarm network system of the present invention.
Embodiment
The technical solution adopted for the present invention to solve the technical problems is: in supervision of the cities alarm network system access machine a central processing unit is set, adopts high-performance embedded processor and embedded multiple task operating system to finish complicated conversion process; The design of two network interfaces allows a network interface to connect the digital video monitoring equipment of each producer, another network interface connects unified monitoring alarm platform, the access machine is responsible for the different agreement data-switching of the equipment of each producer is become standard agreement data layout and the communication of monitoring alarm platform, can insert various digital video monitoring equipment the alarm monitoring system of internet or private network so safely and reliably.
At first, to the method for network monitoring of the present invention, promptly the process description of watchdog routine is as follows.
Between the video monitoring equipment of the alarm monitoring platform that adopts standard agreement and standard media form and the different communications protocol of a plurality of employings, connect supervision of the cities alarm network system access machine, the different disposal mode of video monitoring equipment information is converted to fully the standard processing mode of alarm monitoring platform information, provide alarm monitoring under standard agreement and the standard media form to the alarm monitoring platform, referring to Fig. 1, Fig. 6 to Fig. 8, this method is carried out following steps:
(1) starts central processing unit, read configuration file, sign in to the alarm monitoring platform, also sign in to simultaneously on each corresponding video monitoring equipment according to the content of configuration file.
(2) creating a standard service thread, alarm monitoring platform use standard agreement to send order to the access machine, after the access machine receives orders, command conversion are become the order that video monitoring equipment is supported, send to video monitoring equipment.Specifically, the standard agreement input/output module that at first inserts machine receives the subscription Streaming Media order of alarm monitoring platform and handles the order of receiving, calls the order of state, mechanism transformation module converts one-tenth subscription video monitoring equipment Streaming Media; Then, the response of the video monitoring equipment that the expansion service module is received converts the Streaming Media subscription response of standard to again, sends back to the alarm monitoring platform by the standard agreement input/output module, finishes the Streaming Media subscription operation one time.
(3) create the video monitoring equipment service thread, when video monitoring equipment generation alert event, the access machine receives warning message, convert thereof into the standard warning message, and the warning message after will changing sends to the alarm monitoring platform.Specifically, at first the access machine calls state, the mechanism transformation module enters the streaming media transcoding state, and the expansion service module receives the real time flow medium data from video monitoring equipment, calls state, the mechanism transformation module converts becomes the standard stream media code stream; Then, send to video monitoring platform by the standard agreement input/output module again, finish the transmission of Streaming Media.
(4) central processing unit is monitored in real time to the state of video monitoring equipment.
(5) abnormality detection step: when the access machine is found the video monitoring equipment fault, notify the alarm monitoring platform immediately, in order to faulty equipment is handled.Monitoring finishes, and system withdraws from.
With embodiment the central processing unit in the supervision of the cities alarm network system access machine of the present invention is elaborated below.
Referring to Fig. 1, the central processor CPU employing model that the supervision of the cities alarm network system inserts machine is the chip of S3C2410AL, also comprises SDRAM, flash and house dog, and data are handled.Central processing unit comprises following module: expansion service module, state, mechanism transformation module and standard agreement input/output module.
Wherein, the expansion service module is used for carrying out Signalling exchange with the video monitoring equipment that adopts different communications protocol, constitute by a plurality of submodules, the video monitoring equipment communications protocol of the corresponding producer of each submodule, be responsible for carrying out concrete Signalling exchange, comprise major functions such as equipment lands, status poll, warning reception, Streaming Media subscription with the communications protocol and the video monitoring equipment that use corresponding producer.
State, mechanism transformation module are used for the different transmission mechanisms of each video monitoring equipment are converted to the unified standard transmission mechanism of alarm monitoring platform, it is the bridge in the access machine internal module, be responsible for expansion service module and standard agreement input/output module are organically combined, co-ordination realizes conversion work.
The standard agreement input/output module be used for outputting standard agreement and standard media form down with the alarm monitoring information of alarm monitoring platform communication.This module is used standard agreement and data layout and the communication of alarm monitoring platform, platform is provided the alarm monitoring function of various standard interfaces.
Hardware mainly comprises 3 parts:
(1) central processor unit comprises central processing unit, flash memory, internal memory, house dog, and main being responsible for handled the data that network element is received;
(2) peripheral unit comprises switching value I/O, serial ports, when being used to expand to the control of peripheral hardware;
(3) network element, network element are responsible for carrying out exchanges data with external unit, are divided into 2 two entities of network interface card 1 and network interface card.
The detailed schematic diagram of central processor CPU is referring to Fig. 2 to Fig. 4.Bus pin figure referring to Fig. 2, chip S3C2410AL comprises data/address/sheet choosing etc., this partial bus links to each other with the bus signals of each module of FLASH/SDRAM/ATA/NET0/NET1, the realization program is loaded into sdram memory from FLASH, data are in the carrying of internal memory, storage realizes data transmission with the network interface communication.
Referring to the UART/GPIO pin figure of Fig. 3, central processing unit also is provided with Peripheral Interface, comprises switching value I/O, serial ports, when being used to expand to the control of peripheral hardware.It is the RS232 interface chip of MAX3232CSA and the RS485/422 interface chip that model is MAX489CSD that Peripheral Interface adopts model.Chip S3C2410AL links to each other with the signal of the RS232/485/422/ warning input/output module of system extension, and TXD1 wherein, TXD2, RXD1, RXD2 are the original TTL signals of CPU end.
Pin figure referring to the peripheral hardware interruption/house dog of Fig. 4, chip S3C2410AL links to each other with the look-at-me of ATA/NET0/NET1, signal FOR_CF_INT, IRQ_LAN, IRQ_LAN2 is respectively the look-at-me of ATA/NET1/NET2 correspondence, can receive the interrupt request of corresponding peripheral hardware.
Referring to Fig. 5, central processing unit also is provided with and is used for the network element of communicating by letter with video monitoring equipment with the alarm monitoring platform, and it is the Ethernet interface chip of CS8900A that network element adopts model.Network element is responsible for carrying out exchanges data with external unit, is divided into two-way 10M Ethernet data transmission channel NET1 and NET2.Fig. 5 is the pin figure of NET1 in the system, for the NET2 part, just has any different at look-at-me and chip selection signal and this figure.Each signal among the figure is corresponding to the signal among the CPU figure; This module mainly realizes two-way 10M Ethernet interface function, and the physical channel of network data transmission is provided.CN1 is a standard RJ45 socket, for the transmitting-receiving of network data provides the physical channel interface; U7 is a network controller, is responsible for CPU end data and Ethernet data are changed, and promptly serial/parallel conversion is to realize the transmission of data.
The method of access machine for city monitoring alarm networking system of the present invention and monitoring thereof has following technique effect:
(1) because access machine and video monitoring equipment adopt man-to-man pattern, so processing video monitoring equipment that can be very stable And the problem of protocol conversion between standard platform;
(2) owing to adopt distributed treatment, a forward terminal goes wrong and can not have influence on miscellaneous equipment and user;
(3) man-to-man model is convenient to install configuration;
(4) video monitoring equipment and network there is preferably adaptability;
(5) can carry out some policer operations to video monitoring equipment, so that system works is got up is more stable.
Also do not have in the market this series products, will establish the alarm network monitoring with the city monitoring alarm networking system of the machine of access Standby standardized process will play positive impetus.
Claims (10)
1. the supervision of the cities alarm network system inserts machine, is connected between alarm monitoring platform that adopts standard interface and the various video watch-dog that adopts different communications protocol, and it is characterized in that: comprise a central processing unit, described central processing unit is provided with:
The expansion service module is used for carrying out Signalling exchange with the video monitoring equipment that adopts different communications protocol;
State, mechanism transformation module are used for the different transmission mechanisms of each video monitoring equipment are converted to the unified standard transmission mechanism of alarm monitoring platform;
The standard agreement input/output module is used under outputting standard agreement and the standard media form alarm monitoring information with the communication of alarm monitoring platform.
2. supervision of the cities alarm network system according to claim 1 inserts machine, it is characterized in that: wherein said expansion service module comprises a plurality of submodules, each submodule links to each other with the video monitoring equipment with different communications protocol respectively, and the information of each submodule Signalling exchange comprises that equipment lands, status poll, warning reception and Streaming Media are subscribed to.
3. supervision of the cities alarm network system according to claim 1 and 2 inserts machine, it is characterized in that: it is the chip of S3C2410AL that wherein said central processing unit adopts model.
4. supervision of the cities alarm network system according to claim 3 inserts machine, it is characterized in that: wherein said central processing unit also is provided with and is used for the network element of communicating by letter with video monitoring equipment with the alarm monitoring platform, and it is the Ethernet interface chip of CS8900A that described network element adopts model.
5. supervision of the cities alarm network system according to claim 4 inserts machine, and it is characterized in that: wherein said network element is provided with two-way 10M Ethernet data transmission channel (NET1 and NET2).
6. supervision of the cities alarm network system according to claim 5 inserts machine, and it is characterized in that: wherein said central processing unit also is provided with continuous RS232/485/422 Peripheral Interface.
7. the method for a network monitoring, this method connects by supervision of the cities alarm network system access machine between the various video watch-dog of the alarm monitoring platform that adopts standard agreement and standard media form and the different communications protocol of employing, the different disposal mode of non-standard video watch-dog information is converted to fully the standard processing mode of standard alarm monitoring platform information, provide alarm monitoring under standard agreement and the standard media form to the alarm monitoring platform, it is characterized in that: this method is carried out following steps:
(1) starts central processing unit, read configuration file, sign in to the alarm monitoring platform, also sign in to simultaneously on the corresponding video monitoring equipment according to the content of configuration file;
(2) creating a standard protocol service thread, alarm monitoring platform use standard agreement to send order to the access machine, after the access machine receives orders, command conversion are become the order that video monitoring equipment is supported, send to video monitoring equipment;
(3) create the expansion service thread, when video monitoring equipment generation alert event, the access machine receives warning message, convert thereof into the standard warning message, and the warning message after will changing sends to the alarm monitoring platform;
(4) central processing unit is monitored in real time to the state of video monitoring equipment.
8. the method for network monitoring according to claim 7, it is characterized in that: wherein said step (2) creating a standard protocol service thread execution following steps: after logining successfully, at first the standard agreement input/output module of central processing unit receives the subscription Streaming Media order of alarm monitoring platform and handles the order of receiving, calls the order of state, mechanism transformation module converts one-tenth subscription video monitoring equipment Streaming Media; Then, the response of the video monitoring equipment that the expansion service module is received converts the Streaming Media subscription response of standard to again, sends back to the alarm monitoring platform by the standard agreement input/output module, finishes the Streaming Media subscription operation one time.
9. according to the method for claim 7 or 8 described network monitorings, it is characterized in that: wherein said step (3) is created the video monitoring equipment service thread and is carried out following steps: after logining successfully, at first central processing unit calls state, the mechanism transformation module enters the streaming media transcoding state, the expansion service module receives the real time flow medium data from video monitoring equipment, calls state, the mechanism transformation module converts becomes the standard stream media code stream; Then, send to video monitoring platform by the standard agreement input/output module again, finish the transmission of Streaming Media.
10. the method for network monitoring according to claim 9, it is characterized in that: be provided with the abnormality detection step between wherein said step (4) and the step (5): when the video monitoring equipment fault, central processing unit notice alarm monitoring platform is in order to handle faulty equipment.
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CN101719991B (en) * | 2009-10-30 | 2011-08-31 | 深圳市迪威视讯股份有限公司 | Video matrix protocol converter |
CN101854354A (en) * | 2010-04-29 | 2010-10-06 | 北京富盛星电子有限公司 | Method for mutually controlling different video monitoring equipment |
CN102215381A (en) * | 2011-06-23 | 2011-10-12 | 天地阳光通信科技(北京)有限公司 | Integrating device and method for integrating digital video monitoring systems |
CN103049459A (en) * | 2011-10-17 | 2013-04-17 | 天津市亚安科技股份有限公司 | Feature recognition based quick video retrieval method |
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CN107276990A (en) * | 2017-05-22 | 2017-10-20 | 深圳市时代云海科技有限公司 | A kind of stream media live broadcasting method and device |
CN107276990B (en) * | 2017-05-22 | 2020-07-07 | 深圳市时代云海科技有限公司 | Streaming media live broadcasting method and device |
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