CN204206223U - A kind of dangerous material storage monitoring early-warning system - Google Patents
A kind of dangerous material storage monitoring early-warning system Download PDFInfo
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- CN204206223U CN204206223U CN201420646265.4U CN201420646265U CN204206223U CN 204206223 U CN204206223 U CN 204206223U CN 201420646265 U CN201420646265 U CN 201420646265U CN 204206223 U CN204206223 U CN 204206223U
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Abstract
The utility model relates to a kind of dangerous material storage monitoring early-warning system, and be the dangerous material storage monitoring early-warning system based on SDH and Zigbee mesh network, system has powerful webmaster ability, is convenient to safeguard and realize alarm fast, can build catenet.The system that the utility model proposes, when node failure, has self-healing function, (within 50ms) can carry out pretection switch fast within the extremely short time, makes business automatically from fault, recover transmission.
Description
Technical field
The utility model relates to safety monitoring technology field, especially a kind of system of dangerous material storage monitoring and early warning.
Background technology
Along with expanding economy, the circulation of inflammable, explosive dangerous material used as raw material, the energy and the consumer goods and memory space increasing.Its safety is not only related to people's life safety, more involves the stable of society.Dangerous material storage be store burning, the warehouse of the article such as blast, burn into are burnt, the industrial chemicals of the danger such as poisoning and agricultural chemicals, chemical fertilizer, chemical reagent, chemicals.According to statistics, the accident caused of storing in a warehouse in inflammable, explosive hazardous material incident occupies larger ratio.Inflammable, explosive dangerous material store a lot of safety condition, exceed threshold value and just very easily cause burning, blast or poisoning, even can cause pernicious disaster accident once safety condition.Current dangerous material storage is main by manual type monitoring, there is the problems such as monitoring accuracy is low, monitoring difficulty is large.
Along with the development of technology of Internet of things, there is use wireless sensor network technology in the recent period, be applicable to the wireless sense network system of dangerous goods store application, can monitor in real time the dangerous material state information such as inflammable, explosive, be conducive to the safe storage of dangerous material and carry out early warning, thus reducing the generation of dangerous material security incident.
Wireless sensor network is used to carry out monitoring and early warning to dangerous material storage, compared with manual type, monitoring accuracy is high, achieves the digitlization of dangerous material storage monitoring, networking, intellectuality, significant for the aggregate level improving dangerous material storage monitoring and early warning.But which also has larger limitation, is mainly manifested in:
Zigbee wireless sensor network standard defines three kinds of topological structures: star, tree-like and mesh network.
Star network is a kind of network of divergent shape, and as shown in Fig. 1 (a), telegon is responsible for building network and forwarding data.The advantage of star network is: structure is simple, equipment cost is low, do not have routing management.Telegon is that therefore burden can be heavier for the center of distributed treatment.Shortcoming is: the very flexible between node, the limited coverage area of network, number of nodes are less, is difficult to form larger network.
Tree network is as shown in Fig. 1 (b), and the function of telegon is not forwarding data but completes the registration of nodes and the function of network management.The advantage of tree network is: cost is low, network coverage is comparatively large, method for routing is simple.Shortcoming is: structure is relatively fixing, if wherein certain node disconnection network will cause part of nodes associated with it to depart from network, less stable.In dangerous material storage environment, if there is burning or blast, cause node failure, then part of nodes can be caused to depart from network, and can cause network paralysis time serious, network will lose monitoring alarm function.
Mesh network is as shown in Fig. 1 (b), a telegon is only had in a ZigBee mesh network, but several router nodes can be had, their status is all equality, can communicate with all node direct communications in scope, any node of network internal can be accessed mutually.The advantage of visible mesh network is: if there is node failure to leave network in network, and node associated with it automatically can be looked for other routing node and add network, realizes route repair and upgrades network topology, network can not be caused discrete.Node can pass through transmitting data packets on variable paths, and improve the reliability of network, compare with tree topology with Star topology, mesh topology has stronger robustness.Shortcoming is: delay and the communication overhead that can strengthen Message Transmission when interstitial content increases.Mesh network requires router node runs complicated application program, realizes route repair and optimal path selection, and so just make mesh network be difficult to form the more medium-and-large-sized network of interstitial content, it realizes and safeguards also more complicated.
In addition, Zigbee wireless sensor network webmaster ability is very weak, the comparatively large also more complicated of maintenance difficulties, more weak to the protective capability of truck, can not realize the protection of fast and reliable.In sum, Zigbee wireless sensor network, in dangerous material storage, has some limitations.
Utility model content
The technical problems to be solved in the utility model is: provide a kind of dangerous material based on SDH and Zigbee mesh network storage monitoring early-warning system, have powerful webmaster ability, be convenient to safeguard and realize alarm fast; Catenet can be built; When node failure, there is self-healing function, within the extremely short time, (within 50ms) pretection switch can be carried out fast, make business automatically from fault, recover transmission.
The utility model solves the technical scheme that its technical problem adopts: a kind of dangerous material storage monitoring early-warning system, comprises the home SDH network element and other multiple SDH network element/Zigbee gateways of being deployed in dangerous goods store that are deployed in away from dangerous goods store; Described SDH network element is connected with multiple SDH network element/Zigbee gateway respectively; Described SDH network element is connected with monitoring server by Ethernet; Described monitoring server is linked into cloud computing by connecting line and cloud storage platform carries out sharing of data; Be connected by optical fiber or wireless OCDMA between described other multiple SDH network element/Zigbee gateways.
Further, each SDH network element/Zigbee gateway described in the utility model forms zigbee mesh network with the zigbee node of periphery respectively; Zigbee gateway comprises zigbee module; Described zigbee module is as the telegon of each Zigbee mesh network; The interstitial content of the Zigbee mesh network of composition is less than 100 nodes; The sensor node of mesh network is all router node.
Further say, Zigbee gateway described in the utility model is extracted with timeslot demultiplex module by main control module, Zigbee module, memory module, GPRS module, peripheral interface module, HDLC control interface module, timeslot multiplex and E1 framing module, E1 frame head, is mapped and multiplexingly to form with spending process module and photoelectric conversion module; Described main control module is connected with Zigbee module, memory module, GPRS module, peripheral interface module, HDLC control interface module, photoelectric conversion module; Described HDLC control interface module and main control module, timeslot multiplex and E1 framing module, E1 frame head extract with timeslot demultiplex module, map and to be multiplexingly connected with spending process module; Described mapping is multiplexing extracts with spending process module and timeslot multiplex and E1 framing module, E1 frame head with timeslot demultiplex module, map and to be multiplexingly connected with spending process module, photoelectric conversion module; Described main control module is the nucleus module of whole SDH network element/Zigbee gateway, is responsible for address resolution between the transmitting-receiving of Zigbee network data, IP(Internet Protocol) conversion and net; Zigbee module is as the telegon of each Zigbee mesh network, set up, safeguard and the routing iinformation of whole network of dynamically upgrading, the Information Monitoring of Zigbee mesh node is sent to main control module, and is sent to by main control module the order of Zigbee mesh network respective nodes or configuration information to be transmitted to respective nodes; Peripheral interface module provides the interfaces such as Ethernet, serial ports, USB, carries out optimum configurations, data query and system debug; Memory module comprises FLASH memory and SDRAM memory; Flash storage be used for depositing tested application program, embedded OS and other after system power failure, need the user data preserved; SDRAM provides the space of operation for operating system and user application, and provides the data buffer area sending and receive for system communication; GPRS module is used for, when burning or blast appear in dangerous goods store, sending information to related personnel's mobile phone notice and rescuing; HDLC control interface module provides buffering area to extract with timeslot demultiplex module to main control module, timeslot multiplex and E1 framing module, E1 frame head, map multiplexing and spending process module, the information to be sent of buffering area is adopted HDLC protocol encapsulation and sends to corresponding module by buffering area, the HDLC protocol message that the corresponding module received from buffering area sends is carried out resolving and sending to main control module by buffering area according to HDLC agreement; Timeslot multiplex and E1 framing module carry out multiplexing process to exporting data, data are filled in each time slot according to slot requirements, and carry out E1 framing processing; The extraction of E1 frame head completes E1 frame head with timeslot demultiplex module and extracts, and exports the demultiplexing process of data; Map multiplexing cross with spending process module map, locate, the function such as multiplexing completes separating of E1 signal and inserts, and complete separating of expense and be inserted in STM-1; Photoelectric conversion module completes light/electricity, the conversion of electrical/optical.
When carrying out normal data acquisition, the data that Zigbee mesh network collects or warning message send to the main control module microprocessor of SDH network element/Zigbee gateway by telegon, and data are delivered to business main website network element according to HDLC agreement by up E1 by main control module microprocessor; Order is sent to the main control module microprocessor of each network element node in dangerous goods store by business main website network element by descending E1 according to HDLC agreement; Main control module microprocessor by telegon by the acquisition node of command routing to each Zigbee mesh network;
When fortuitous event appears in dangerous goods store, when causing single SDH network element node failure or fibercuts, business main website network element is according to received ais alarm signal, and judgement is that the E1 business biography that main ring or ring for subsequent use transmit is not come; And carry out pretection switch or warning immediately according to judgement;
When extensive burning or explosion time appear in dangerous goods store, there is multiple SDH network element node failure or multistage fibercuts; Business main website network element judges according to received ais alarm signal, if the business of main ring and ring for subsequent use that finds all passes do not come, or the up E1 signal generation ais alarm of multiple network element node in dangerous goods store, then business main website network element judges multiple SDH network element node failure or multistage fibercuts in dangerous goods store; Business main website network element will carry out sound and light alarm immediately, and send information to related personnel's mobile phone notice by GPRS module simultaneously and rescue, and monitoring server starts intelligent decision process and generates best fire extinguishing scheme.
The beneficial effects of the utility model are: 1, the utility model proposes the dangerous material storage monitoring early-warning system based on SDH and Zigbee mesh network, system has powerful webmaster ability, is convenient to safeguard and realize alarm fast, can build catenet; 2, the system that the utility model proposes, when node failure, has self-healing function, (within 50ms) can carry out pretection switch fast within the extremely short time, makes business automatically from fault, recover transmission.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is Zigbee wireless sensor network topology structure;
Fig. 2 is system group network mode structure chart;
Fig. 3 is two fine unidirectional path protection ring normal conditions;
Fig. 4 is two fine unidirectional path protection ring switch status;
Fig. 5 is Zigbee gateway node composition Zigbee mesh network schematic diagram;
Fig. 6 is SDH network element/Zigbee gateway composition structure chart;
Fig. 7 is transducer acquisition node structure chart.
Embodiment
With preferred embodiment, the utility model is described in further detail by reference to the accompanying drawings now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
A kind of storage monitoring early-warning system of the dangerous material based on SDH and Zigbee mesh network and method.As Fig. 2, its networking mode is:
The fine unidirectional path protection ring of system composition SDH bis-, in figure, SDH network element node 1 is deployed in the home away from dangerous goods store, and monitoring server is connected with SDH network element node 1 by Ethernet, completes the monitoring and management to whole network by monitoring server.Monitoring server can by access via telephone line to cloud computing and cloud storage platform, can by data sharing to government department and other users, and share the data system, knowledge base etc. that use government department and other users, be conducive to carrying out data mining and intelligent decision better.Node in figure in dotted line, as shown in the figure, network element node 2, network element node 3, network element node 4 ..., network element node N-1, network element node N be deployed in dangerous goods store, between network element node by optical fiber or or wireless OCDMA etc. meet the medium that SDH physical layer requires and be connected.
The network element node of SDH is all add-drop multiplexer (ADM) type, and line signal is STM-1.The network element node be configured in dangerous goods store respectively separates and inserts 1 road E1 signal, for report each sensor node to gather data, warning information and reception be from the order of monitoring server.Network element 1 is business main website, is configured in each network element node in dangerous goods store directly and main website interworking service, namely network element 2, network element 3, network element 4 ..., network element N-1, network element N respectively with network element 1 interworking service.
In dangerous goods store, each node forms Zigbee mesh network respectively, and the Zigbee module in Zigbee gateway is as the telegon of each Zigbee mesh network.The interstitial content of the Zigbee mesh network formed is less, is generally less than 100 nodes.The sensor node node of mesh network is all router node.The mode of Zigbee mesh network is on a small scale set up respectively by above-mentioned each node, both Zigbee mesh network anti-node failure ability had been absorbed strong, route repair can be realized and upgrade network topology, there is the feature of good robustness and reliability, turn avoid large-scale Zigbee mesh network realize and safeguard in faced by complex situations and uncertainty.
Survival ability and the reliability of native system by using SDH self-healing network to improve system.The fine unidirectional path protection ring of system composition SDH bis-.As shown in Figure 3, two fine channel protection rings form two rings by two optical fiber, and one of them is main ring S1; One is standby ring P1.The service route of two rings is contrary.The defencive function of channel protection ring is realized by network element tributary card " concurrent choosing is received " function; namely tributary card by branch road pressed on ring business " concurrent " on main ring S1, standby ring P1; on two rings, business is just the same and flow to contrary, at ordinary times the business of branch road under network element tributary card " choosing is received " main ring.
If network element A and C interworking service in looped network, network element A and C all by the branch service " concurrent " of pressed on ring on ring S1 and P1, on S1 with P1 pass that business is identical and to flow to contrary------S1 counterclockwise, P1 is clockwise.When network is normal, network element A and C selects the business received on main ring S1.So the mode of A and C business intercommunication be the business of A to C through network element D, pass to C (main ring business) by S1 optical fiber; C (standby ring business) is passed to through network element B by P1 optical fiber.A → C business on network element C tributary card " choosing is received " main ring S1, the business completing network element A to network element C is transmitted.The business transmission of network element C to network element A is similar.
When the optical fiber of B node failure or BC section breaks down, will there is pretection switch in the business being mail to network element A by network element C, as shown in Figure 4.Network element C will arrive the business " concurrent " of network element A on Sl ring and P1 ring, C to A business break-through network element D wherein on Pl ring passes to network element A, C to A business on sl ring due to optical fiber between B node failure or BC break, so network element A cannot be passed to, network element A acquiescence is the business that choosing receives on main ring s1, business due to the CA on Sl ring passes does not come, and at this moment network element A will receive the TU-AIS alarm signal (this TU frame is complete " 1 " signal) on S1 ring.After network element A receives the TU-AIS alarm on Sl optical fiber, be switched to the business of C to the A on " choosing is received " ring Pl optical fiber for subsequent use immediately, so the business of C--->A is recovered, complete the path protection of business on ring.Network element there occurs after path protection switches; monitor the state of business on main ring S1 simultaneously; when continuous a period of time does not find TU-AIS, the network element switched will arrange whether Determines is automatic will select receipts to switch back to main ring business, default conditions when business recovery becomes normal according to webmaster.)
Another considerable advantage of these dangerous material storage monitoring early-warning system is exactly the powerful webmaster ability having given full play to SDH.Owing to inserting abundant overhead-bits in the frame structure of SDH (Synchronous Digital Hierarchy) SDH, make the network operation of SDH, the ability that administers and maintains strengthens greatly.Wherein Data Communications Channel (DCC) overhead byte is for transmitting the supervising the network information of SDH, constitutes unified supervising the network platform.In native system, each network element node is according to the supervising the network information of HDLC agreement by DCC channel transfer SDH, realizes the fast distributed control of network.
Its course of work is:
When carrying out normal data acquisition, the data that Zigbee mesh network collects or warning message send to the main control module microprocessor of SDH network element/Zigbee gateway by telegon, and data are delivered to business main website network element 1 according to HDLC agreement by up E1 by main control module microprocessor.Order is sent to the main control module microprocessor of each network element node in dangerous goods store by business main website network element 1 by descending E1 according to HDLC agreement.Main control module microprocessor by telegon by the acquisition node of command routing to each Zigbee mesh network.
When fortuitous event appears in dangerous goods store, there is small scale combustion or explosion time and when causing single SDH network element node failure or fibercuts, business main website network element 1 can according to received ais alarm signal, and judgement is that the E1 business biography that main ring or ring for subsequent use transmit is not come.Do not come if main ring business passes, carry out pretection switch immediately.Business main website network element 1 also judges it is which network element node something unexpected happened situation in dangerous goods store according to received ais alarm signal, carries out sound and light alarm immediately, send information to related personnel's mobile phone notice simultaneously rescue by GPRS module.
When extensive burning or explosion time appear in dangerous goods store, multiple SDH network element node failure or multistage fibercuts can be there will be.Business main website network element 1 judges according to received ais alarm signal, if the business of main ring and ring for subsequent use that finds all passes do not come, or the up E1 signal generation ais alarm of multiple network element node in dangerous goods store, then business main website network element 1 judges multiple SDH network element node failure or multistage fibercuts in dangerous goods store, and extensive burning or blast may appear in dangerous goods store.Business main website network element 1 will carry out sound and light alarm immediately, and simultaneously by GPRS module send information to related personnel's mobile phone notice rescue, monitoring server starts intelligent decision process, according to the situation such as type and character of current had extinguishing ability data, fire fighting mode method data, dangerous material, in conjunction with the situation in the current scene of a fire, generate best fire extinguishing scheme based on intelligent decision process.For major hazard source warehouse, monitoring server should by access via telephone line to government's cloud computing and cloud storage platform, when extensive burning or explosion time occur in major hazard source warehouse, start major accident Rescue Plan and organize rescue work, multiple departments of government such as NGO safety manufacture supervising department, public security fire-fighting department and environmental protection are rescued, reduce the loss of national assets and the destruction to environment to greatest extent, ensure the safety of people's life.
In warehouse, each SDH network element/Zigbee gateway and periphery zigbee node form the zigbee mesh network of middle and small scale, its networking structure figure as Fig. 5,
The telegon of each network element node is set up by broadcast and a series of routing inquiry and maintenance command, safeguard and is dynamically upgraded the routing iinformation of whole network.The netted Routing Protocol of ZigBee adopts AODV routing algorithm.Owing to adopting mesh network topological structure, minority failure node does not impact whole network.By setting the maximum number (as 100) of each Zigbee mesh network routing node, define the scale of each Zigbee mesh network.Each acquisition node is routing node, adds reliability and the robustness of system to greatest extent.Acquisition node is powered and is taked hybrid power supply pattern, both by powered battery, is also powered by civil power by power supply adaptor.For the acquisition node of critical positions, UPS also can be adopted to carry out backup.
SDH network element/Zigbee gateway composition structure to be extracted primarily of main control module, Zigbee module, memory module, GPRS module, peripheral interface module, HDLC control interface module, timeslot multiplex and E1 framing module, E1 frame head as Fig. 6, Zigbee gateway and timeslot demultiplex module, is mapped and multiplexingly to form with spending process module, photoelectric conversion module.It is characterized by: main control module is connected with Zigbee module, memory module, GPRS module, peripheral interface module, HDLC control interface module, photoelectric conversion module; HDLC control interface module and main control module, timeslot multiplex and E1 framing module, E1 frame head extract with timeslot demultiplex module, map and to be multiplexingly connected with spending process module; Map and multiplexingly extract with spending process module and timeslot multiplex and E1 framing module, E1 frame head with timeslot demultiplex module, map and to be multiplexingly connected with spending process module, photoelectric conversion module.
Main control module is the nucleus module of whole SDH network element/Zigbee gateway, is responsible for address resolution etc. between the transmitting-receiving of Zigbee network data, IP(Internet Protocol) conversion, net; Zigbee module is as the telegon of each Zigbee mesh network, set up, safeguard and the routing iinformation of whole network of dynamically upgrading, the Information Monitoring of Zigbee mesh node is sent to main control module, and is sent to by main control module the order of Zigbee mesh network respective nodes or configuration information to be transmitted to respective nodes; Peripheral interface module provides the interfaces such as Ethernet, serial ports, USB, carries out optimum configurations, data query and system debug etc.Memory module comprises FLASH memory and SDRAM memory.Flash storage be used for depositing tested application program, embedded OS and other after system power failure, need the user data etc. preserved; SDRAM provides the space of operation for operating system and user application, and provides the data buffer area sending and receive for system communication.GPRS module is used for, when burning or blast appear in dangerous goods store, sending information to related personnel's mobile phone notice and rescuing.
The function of HDLC control interface module is extracted with timeslot demultiplex module for providing buffering area to main control module, timeslot multiplex and E1 framing module, E1 frame head, is mapped multiplexing and spending process module, the information to be sent of buffering area is adopted HDLC protocol encapsulation and sends to corresponding module by buffering area, the HDLC protocol message that the corresponding module received from buffering area sends is carried out resolving and sending to main control module by buffering area according to HDLC agreement.Timeslot multiplex and E1 framing module carry out multiplexing process to exporting data, data are filled in each time slot according to slot requirements, and carry out E1 framing processing.The extraction of E1 frame head completes E1 frame head with timeslot demultiplex module and extracts, and exports the demultiplexing process of data.Map multiplexing cross with spending process module map, locate, the function such as multiplexing completes separating of E1 signal and inserts, and complete separating of expense and be inserted in STM-1.Photoelectric conversion module completes light/electricity, the conversion of electrical/optical.
Its operation principle is:
The coordinated device of Information Monitoring of Zigbee mesh network sends to main control module, obtained message is carried out application address adaptation by main control module, namely gateway application sets up unified application address adaptation layer, the Zigbee address of each different mesh network and application layer address are formed mapping relations, the Zigbee address of different mesh network is fitted in application address, node is made to belong to a network in application layer, for the transparent exchange of internodal data provides the foundation.After message conversion is become application layer address and application layer protocol form by main control module, by buffering area, message is sent to HDLC control interface module, HDLC control interface module carries out multiplexing and framing processing through timeslot multiplex and E1 framing module after the information to be sent of buffering area is adopted HDLC protocol encapsulation, multiplexingly carry out mapping and multiplexing with spending process module through mapping, message is delivered to business main website network element 1 through up E1.Business main website network element 1 is sent to order or the configuration information of each Zigbee mesh network, through descending E1 path, map multiplexing to extract with spending process module, E1 frame head with timeslot demultiplex resume module after, give HDLC control interface module to resolve according to HDLC agreement, main control module is sent to by buffering area after obtaining order or configuration information data, application layer address is become Zigbee protocol form with application layer protocol format conversion by main control module, sends to corresponding acquisition node to process order or configuration information by telegon.Message is sent to HDLC control interface module by main control module by buffering area by the network management information of up SDH, HDLC control interface module is after employing HDLC protocol encapsulation, multiplexingly carrying out overhead processing with spending process module by mapping, inserting the corresponding overhead byte of STM-1 frame successively.The network management information of the SDH received by map multiplexing carry out overhead extraction with spending process module after, HDLC control interface module is sent to resolve according to HDLC agreement, then send to main control module by buffering area, main control module carries out corresponding bookkeeping according to the network management information received.
Embodiment:
Main control module chooses the S3C2410 chip based on ARM920T kernel, and running frequency is 400MHz; Memory module configuration 64M byte SDRAM and 256M byte N AND Flash.The Ethernet interface of peripheral interface module chooses DM9000 control chip; The rf chip of Zigbee module selects CC2530; GPRS module chooses the MC52i GPRS module that Siemens Company provides.HDLC control interface module, timeslot multiplex and E1 framing module, E1 frame head extract and adopt the Cyclone 1c12Q240C8 of altera corp to complete with timeslot demultiplex module; Map and multiplexingly to realize with the SE0111 of spending process module by the dark subfamily skill in Xi'an, for business main website network element 1, adopt 3 SE0111 cascades can realize separating and inserting of 63 road E1.For the network element node in dangerous goods store, adopt 1 SE0111 can realize separating and insertion of 1 road E1.The TXC-06103 that spending process module adopts Transwitch company to produce.
The light transceiving integrated module of PT7327 that photoelectric conversion module adopts Shenzhen Photon company to produce.This module can complete the mutual conversion between the 155Mbps STM-1 signal of telecommunication and light signal, and can monitor optical link signal, can send alarm signal when circuit light signal is lost.
Gateway software is formed primarily of the cutting of hardware device bottom layer driving, (SuSE) Linux OS and protocol stack and transplanting and gateway application three parts.The functions such as SDH network management, Zigbee network data acquisition and management, each module controls can be completed by the Software for Design of system.
Transducer acquisition node is made up of processing unit, communication unit, sensor module, power subsystem etc., as shown in Figure 7.Sensor module is used for obtaining the information of assigned address in dangerous goods store.According to dangerous material kind and different in kind, sensor assembly can flexible configuration be Temperature Humidity Sensor, gas sensor, intensity of illumination transducer, cigarette propagated sensation sensor, the situations of change of data in dangerous goods store such as monitoring humiture, gas concentration, intensity of illumination, smoke density; Processing unit is responsible for the work controlling and coordinate whole transducer acquisition node; Communication unit is responsible for by carrying out exchanges data and transmission between each function device in Zigbee protocol and network, carries out data transmission with telegon; Power subsystem is used for providing power supply for whole node, and monitoring node cell voltage judges whether to need to safeguard.
The just embodiment of the present utility model described in above specification, various illustrating is not construed as limiting flesh and blood of the present utility model, person of an ordinary skill in the technical field after having read specification can to before described embodiment make an amendment or be out of shape, and do not deviate from essence and the scope of utility model.
Claims (3)
1. a dangerous material storage monitoring early-warning system, is characterized in that: comprise the home SDH network element and other multiple SDH network element/Zigbee gateways of being deployed in dangerous goods store that are deployed in away from dangerous goods store; Described SDH network element is connected with multiple SDH network element/Zigbee gateway respectively; Described SDH network element is connected with monitoring server by Ethernet; Described monitoring server is linked into cloud computing by connecting line and cloud storage platform carries out sharing of data; Be connected by optical fiber or wireless OCDMA between described other multiple SDH network element/Zigbee gateways.
2. a kind of dangerous material storage monitoring early-warning system as claimed in claim 1, is characterized in that: each described SDH network element/Zigbee gateway forms zigbee mesh network with the zigbee node of periphery respectively; Zigbee gateway comprises zigbee module; Described zigbee module is as the telegon of each Zigbee mesh network; The interstitial content of the Zigbee mesh network of composition is less than 100 nodes; The sensor node of mesh network is all router node.
3. a kind of dangerous material storage monitoring early-warning system as claimed in claim 1, is characterized in that: described Zigbee gateway is extracted by main control module, Zigbee module, memory module, GPRS module, peripheral interface module, HDLC control interface module, timeslot multiplex and E1 framing module, E1 frame head and timeslot demultiplex module, map and multiplexingly to form with spending process module and photoelectric conversion module; Described main control module is connected with Zigbee module, memory module, GPRS module, peripheral interface module, HDLC control interface module, photoelectric conversion module; Described HDLC control interface module and main control module, timeslot multiplex and E1 framing module, E1 frame head extract with timeslot demultiplex module, map and to be multiplexingly connected with spending process module; Described mapping is multiplexing extracts with spending process module and timeslot multiplex and E1 framing module, E1 frame head with timeslot demultiplex module, map and to be multiplexingly connected with spending process module, photoelectric conversion module; Described main control module is the nucleus module of whole SDH network element/Zigbee gateway, is responsible for address resolution between the transmitting-receiving of Zigbee network data, IP(Internet Protocol) conversion and net; Zigbee module is as the telegon of each Zigbee mesh network, set up, safeguard and the routing iinformation of whole network of dynamically upgrading, the Information Monitoring of Zigbee mesh node is sent to main control module, and is sent to by main control module the order of Zigbee mesh network respective nodes or configuration information to be transmitted to respective nodes; Peripheral interface module provides the interfaces such as Ethernet, serial ports, USB, carries out optimum configurations, data query and system debug; Memory module comprises FLASH memory and SDRAM memory; Flash storage be used for depositing tested application program, embedded OS and other after system power failure, need the user data preserved; SDRAM provides the space of operation for operating system and user application, and provides the data buffer area sending and receive for system communication; GPRS module is used for, when burning or blast appear in dangerous goods store, sending information to related personnel's mobile phone notice and rescuing; HDLC control interface module provides buffering area to extract with timeslot demultiplex module to main control module, timeslot multiplex and E1 framing module, E1 frame head, map multiplexing and spending process module, the information to be sent of buffering area is adopted HDLC protocol encapsulation and sends to corresponding module by buffering area, the HDLC protocol message that the corresponding module received from buffering area sends is carried out resolving and sending to main control module by buffering area according to HDLC agreement; Timeslot multiplex and E1 framing module carry out multiplexing process to exporting data, data are filled in each time slot according to slot requirements, and carry out E1 framing processing; The extraction of E1 frame head completes E1 frame head with timeslot demultiplex module and extracts, and exports the demultiplexing process of data; Map multiplexing cross with spending process module map, locate, the function such as multiplexing completes separating of E1 signal and inserts, and complete separating of expense and be inserted in STM-1; Photoelectric conversion module completes light/electricity, the conversion of electrical/optical.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333589A (en) * | 2014-10-31 | 2015-02-04 | 常州机电职业技术学院 | Hazardous material storage monitoring and forewarning system and method |
| CN105459188A (en) * | 2015-12-25 | 2016-04-06 | 佛山市启达研磨器材科技有限公司 | Reverse synchronous grooving structure used for flap wheel production |
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2014
- 2014-10-31 CN CN201420646265.4U patent/CN204206223U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333589A (en) * | 2014-10-31 | 2015-02-04 | 常州机电职业技术学院 | Hazardous material storage monitoring and forewarning system and method |
| CN104333589B (en) * | 2014-10-31 | 2018-03-27 | 常州机电职业技术学院 | A kind of dangerous material storage monitoring early-warning system and method |
| CN105459188A (en) * | 2015-12-25 | 2016-04-06 | 佛山市启达研磨器材科技有限公司 | Reverse synchronous grooving structure used for flap wheel production |
| CN105459188B (en) * | 2015-12-25 | 2017-08-25 | 佛山市启达研磨器材科技有限公司 | A kind of reverse sync notching construction of the wheel production of page thousand |
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