CN101216986A - A port field data acquisition, transmission and issuance system based on Zig Bee technology - Google Patents
A port field data acquisition, transmission and issuance system based on Zig Bee technology Download PDFInfo
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Abstract
A port on-site data acquiring, transmitting, sending and issuring system based on zigbee technology in the remote monitoring and controlling field of electromechanical equipment, comprises a wireless sensing network and a remote data server, wherein the wireless sensing network is distributed in a port working field, and can acquire working state data of the port field, collect the intra-network acquired data in a zigbee wireless manner, pack the collected data, and transmit to the remote data server via wired enterprise in-house network based on a transmission control protocol and an internetwork protocol. The remote data server can receive the data based on the transmission control protocol and the internetwork protocol, resolve the data according to the packed data transmission format, store the data in a database, and issue the data in a web service mode. The invention provides data support for monitoring application program development, failure pre-warning and equipment maintenance. In addition, the low-cost zigbee technology can reduce system complexity, and has good anti-interference performance, expandability and practicability.
Description
Technical field
The present invention relates to the system in a kind of telecommunication technology field, specifically is a kind of harbour on-site data gathering transmission and issuance system based on purple-bee technology.
Background technology
At present, the competition that is growing more intense between ever-increasing encased conveying and the harbour makes the operational paradigm at harbour and the health operation of harbour machinery face more challenge.In order to overcome above-mentioned challenge, need carry out omnibearing monitoring to harbour and harbour machinery, guarantee that harbour handling and logistics effectively turn round.Meanwhile, field monitoring needs a large amount of wirings, not only increases the port construction cost, and a large amount of wirings also can increase the complicacy of harbour system, disturbs the harbour system to run well, and also is unfavorable for the maintenance of harbour system.Desirable monitoring mode is to adopt wireless mode.Traditional wireless data sending technical costs height, anti-interference is poor, is not suitable for industry spot and uses.
Purple honeybee (ZigBee) is as a kind of emerging wireless sensor technology, closely, low complex degree, low-power consumption, low data rate, two-way wireless communication technology cheaply; Adopt direct sequence spread spectrum (DSSS) technology, good reliability, antijamming capability is strong; Based on the IEEE802.15.4 standard, available battery is powered for a long time; Network capacity is big, networking flexibility.These advantages of ZigBee make it be applied to industrial circle more.
Find by prior art documents, Chinese patent application numbers 99126775.3, open day 2001.06.13, patent name is " dynamic monitor of gantry crane for port ", and this patent readme is: realize the detection to trestle crane major tasks parameter, and realize with wireless communication mode running parameter being transmitted in real time, but do not point out the concrete technological means that radio communication adopts, the communication that is adopted is simultaneously easily blocked, and has directivity, and networking function is indeterminate.Chinese patent application number: 200610061124.6, open day 2006.12.06, patent name is: a kind of electrical energy data acquiring method and electric power meter of supporting ZigBee, this patent is based on having proposed a kind of device that is applied to electrical energy data acquiring and metering, and this device provides the bi-directional path of gathering with control, and the gateway of heterogeneous network is provided, but its mixed-media network modules mixed-media does not possess the standard application interface, monitoring function is specific, Monitoring Data sealing, system's expandable type a little less than.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, a kind of harbour on-site data gathering transmission and issuance system based on purple-bee technology is provided, make it based on the ZigBee communication, realization is to the harbour and the port machine is kept the safety in production and operating state data is gathered, transmits, issued, open up a data path for further harbour and port machine monitoring application development, the data basis is provided.
The present invention is achieved through the following technical solutions, the present invention includes: radio sensing network and remote data server, wherein: radio sensing network is distributed in the working site, harbour, be responsible for the data of the duty at collection scene, harbour, and with the ZigBee wireless mode converge the net in image data, with the image data packing of converging, be transferred to remote data server by wired Intranet network (Intranet) based on ICP/IP protocol (transmission control protocol/IP(Internet Protocol)), remote data server receives data based on ICP/IP protocol, data transmission format according to packing is resolved data, deposit database in, and carry out the issue of data in WebServices (Web service) mode.
Described radio sensing network, comprise: terminal data acquisition node, router and network coordinator, the terminal data acquisition node links to each other with router or network coordinator on network topology structure, be responsible for the collection of working site, harbour data, and data are sent to level router or network coordinator on coupled on the Zigbee network; Router is responsible for the collection in worksite data forwarding to level router or network coordinator on coupled on the ZigBee network, and is responsible for the network route of the ZigBee of subordinate network node coupled on the ZigBee network; Network coordinator converges the collection in worksite data of whole radio sensing network, and is responsible for the network organization of the radio sensing network of working site, whole harbour.
Described terminal data acquisition node, router and network coordinator are all as the network node of ZigBee, network coordinator is unique in radio sensing network, and router and terminal data acquisition node can have a plurality of, radio sensing network based on ZigBee has 65536 network nodes at most, between terminal data acquisition node, router and the network coordinator with the ZigBee radio communication, and the formation network topology structure, network topology structure can be configured to star-like, tree type or fully connected topology according to harbour geographic layout and actual monitoring needs.
Described terminal data acquisition node, comprise: first processor, standard SCI (serial communication) interface, sensor interface, ZigBee transceiver and low-power consumption source control module, first processor respectively with standard SCI interface, sensor interface links to each other, and coordination control criterion SCI interface, the operation of sensor interface, the external serial communication device input string of standard SCI interface row communication data, sensor interface external data sampling sensor input sampling data, serial communication data and sampled data are the collection in worksite data, first processor sends to the ZigBee transceiver with the binding and layout of collection in worksite data by SPI (serial peripheral equipment) interface, the ZigBee interface of ZigBee transceiver is sent to router or network coordinator with the collection in worksite data, low-power consumption energy management module respectively with first processor, standard SCI interface, sensor interface, the ZigBee transceiver links to each other, the power supply support is provided, and power supply managed, realize terminal data acquisition node low-power consumption long-play.
Described standard SCI interface, it is responsible for obtaining the serial communication data from serial communication device, and the interface that carries out the configuration of ZigBee network parameter and operational factor as terminal data acquisition node and router, and described SCI interface is 1 the tunnel.
Described sensor interface, be AD (analog to digital conversion) sampling interface, its external data pick-up transducers pick-up transducers analog quantity, sensor interface is also as universal I (input and output) mouth, receive digital quantity and input or output switch controlling signal, sensor interface is 4 the tunnel.
Described ZigBee transceiver, comprise ZigBee supporting chip and ZigBee antenna, the ZigBee supporting chip provides the SPI that communicates by letter with first processor interface, the ZigBee supporting chip is realized the Physical layer support to the IEEE802.15.4 agreement, the ZigBee antenna is realized the transmission of information, under first processor control, externally provide the ZigBee interface, the ZigBee transceiver is communicated by letter with first processor by the SPI interface, receive the collection in worksite data that first processor sends binding and layout, and be sent to the router or the network coordinator of network topology structure decision by the ZigBee interface.
Described terminal data acquisition node, it transplants complete ZigBee protocol stack (terminal device), realization is based on the ZigBee terminal device network function of the radio sensing network of ZigBee, the ZigBee protocol stack is a miniature operating system, operate on the first processor, coordinate each nextport hardware component NextPort cooperating of terminal data acquisition node, every being operated in that first processor is carried out is considered as a task in the protocol stack, first processor constantly obtains the collection in worksite data row cache of going forward side by side from standard SCI interface and sensor interface, by SPI interface interchange ZigBee transceiver, the collection in worksite data are uploaded with the ZigBee wireless mode then by the ZigBee interface.
Described router, be responsible for realizing the network route of ZigBee and transmitting the collection in worksite data, router is according to the network topology structure of radio sensing network, upwards insert and go up level router or higher level's network coordinator, and permission connects level router or subordinate's terminal data acquisition node down downwards, realize its ZigBee network routing function, and the collection in worksite data that will descend level router or subordinate's terminal data acquisition node to send are sent to level router or higher level's network coordinator on coupled on the ZigBee network, realize the collection in worksite forwarding of data.
Described router, it transplants complete ZigBee protocol stack (router), realize its network routing function as the ZigBee network node, under the tissue of router, other routers in the ZigBee networking insert the following level router that this router constitutes this router on the network topology structure, and other terminal data acquisition node also can insert this router; Meanwhile, router also will insert other routers or the direct access network telegon on the ZigBee network, constitute the upper network node on the network topology structure, the ZigBee protocol stack is a miniature operating system, coordinate router and respectively form the module cooperating, every being operated in that processor is carried out is considered as a task in the protocol stack, except the network route task of finishing the ZigBee network router, processor constantly is received in the subordinate's terminal data acquisition node coupled on the ZigBee network or the data of router by the ZigBee network interface, and is forwarded to coupled ZigBee upward level router or network coordinator.Under the scheduling of ZigBee protocol stack, each task is performed successively.
Described network coordinator, comprise processor and data cache module, ZigBee module and TCP/IP module, the ZigBee module receives the collection in worksite data of binding and layout by the ZigBee interface, processor and data cache module are made up of second processor and SRAM storer (static RAM), second processor, one end is by SPI interface and ZigBee module communication, and parse the collection in worksite data, buffer into the SRAM storer, the second processor other end is by SCI interface and TCP/IP module communication, and the collection in worksite data of the buffer memory in the SRAM storer are sent to remote data server by the TCP/IP interface.
Described network coordinator, it transplants complete ZigBee protocol stack (telegon), realizes its network coordinator function as the ZigBee network node.Under the tissue of network coordinator, form star-like, tree type or netted network topology structure according to default network topology structure in the radio sensing network initialization procedure.The ZigBee protocol stack is actual to be a miniature operating system, the coordination network telegon is respectively formed the module cooperating, each second processor is operated in and is considered as a task in the protocol stack, except the network coordination task of finishing the ZigBee network coordinator, second processor constantly converges the collection in worksite data of whole radio sensing network by the ZigBee network interface, buffering into the SRAM storer, is that ICP/IP protocol mails to remote data server by the TCP/IP module converts then.Under the scheduling of ZigBee protocol stack, each task is performed successively.
Described remote data server is to have the fixedly webserver of IP, comprises data reception module, data memory module and data release module, wherein:
Data reception module links to each other with network coordinator by the Intranet network, receives the collection in worksite data that network coordinator converges based on ICP/IP protocol, presses the data layout of radio sensing network packing and resolves, and draws data, is transferred to data memory module;
Data memory module is the core of remote data server, and data memory module is responsible for the structure of database and the access of data, and receives the data of data reception module transmission, deposits database corresponding data table in, for the data release module provides data;
The data release module adopts the external distributing data of WebServices (network service) interface, according to the monitoring application program the request call data memory module data and return to the monitoring application program, simultaneously according to the monitoring needs, the WebServices interface also can be based on the image data in the data memory module according to monitoring application program monitoring request, call respective algorithms, analyze image data, only analysis result is returned the monitoring application program.
When the present invention works, be distributed in the under the tissue of network coordinator that each network node is interconnected of working site, harbour based on purple-bee technology (ZigBee) radio sensing network, form star-like, tree type or netted topological structure, thereby form radio sensing network based on ZigBee.Terminal data acquisition node in the wireless sense network is gathered the work and the running state data of working site, harbour and port machine by its standard SCI interface and sensor interface; By its ZigBee interface image data is sent to last level router or network coordinator coupled on the network topology structure based on the ZigBee wireless mode; Under the management of low-power consumption energy management module, the terminal data acquisition node is realized low-power consumption work.The forwarding that router is responsible for ZigBee network of network route and image data makes image data finally converge to network coordinator based on the radio sensing network of ZigBee according to network topology structure.Network coordinator passes through its ZigBee interface aggregation networks image data under the control of second processor; Image data is buffered the SRAM storer into network telegon second processor and data cache module; Constantly image data is sent to remote data server by its TCP/IP interface based on ICP/IP protocol in this while network coordinator.Remote data server links to each other by the Intranet network with network coordinator based on the radio sensing network of ZigBee.The data reception module of remote data server receives image data based on ICP/IP protocol, image data is deposited in database under the support of data memory module, the data release module responds extraneous data request operation, from database, extract data and pass through its Webservices interface distributing data, simultaneously according to the monitoring needs, the WebServices interface also can be based on the image data in the data memory module according to data request operation, call respective algorithms and analyze image data, only analysis result data is issued.
Compared with prior art, the present invention has following beneficial effect:
1, the invention solves the data path problem that working site, harbour and port machine duty are gathered, standard interface and AD sampling interface by the network hardware can realize that making has data to comply with to the scene at harbour and the formulation of port machine working state monitoring, fault pre-alarming and security maintenance plan to hoist such as PLC electric-control system, gear case oil temperature, port machine lifting load, the beam arm isoparametric collection of angle, transmission and issue;
2, the modular design of total system hardware using, each ingredient interconnects by interface, therefore has good assembly reusability;
3, the wireless networking network capacity that adopts ZigBee to realize is big, can safeguard the big net of 65536 nodes at most; The ZigBee network itself has the self-organization performance, and under the prerequisite that satisfies the ZigBee network topology structure, any newly-increased network node all can add existing network automatically, therefore has very strong networking flexibility and extensibility, and makes system easy to implement;
4, the direct sequence communication mode that adopts of Zigbee according to the difference of spreading gain, even also signal can be extracted from the flooding of noise under the situation of negative signal to noise ratio (S/N ratio), so total system has good anti-interference; ZigBee can realize the multipath addressing of network node, even still can carry out data transmission by other path under the situation that a certain router damages, therefore has stronger data transmission credibility;
5, the module cost is low, single terminal data acquisition node or router hardware cost can be controlled in 100 yuan, do not need simultaneously large-scale communication network wiring, the advantage of ZigBee low-power consumption can make the long-time non-maintaining operation of system, has reduced the entire system construction cost.
Description of drawings
Fig. 1 is a structured flowchart of the present invention;
Fig. 2 is a terminal data acquisition node structured flowchart of the present invention;
Fig. 3 is a network coordinator structured flowchart of the present invention;
Fig. 4 is that remote data server of the present invention is formed structured flowchart.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated: present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, this example comprises: radio sensing network and remote data server, wherein: radio sensing network is distributed in the working site, harbour, be responsible for the data of the duty at collection scene, harbour, and network converges the interior image data of net with the ZigBee wireless mode, with the image data packing of converging, be transferred to remote data server by wired Intranet network based on ICP/IP protocol, remote data server receives data based on ICP/IP protocol, data transmission format according to packing is resolved data, deposit database in, and carry out the issue of data in the WebServices mode.
Described radio sensing network, comprise: terminal data acquisition node, router and network coordinator, the terminal data acquisition node links to each other with router or network coordinator on network topology structure, be responsible for the collection of working site, harbour data, and data are sent to level router or network coordinator on coupled on the Zigbee network; Router is responsible for the collection in worksite data forwarding to level router or network coordinator on coupled on the ZigBee network, and is responsible for the network route of the ZigBee of subordinate network node coupled on the ZigBee network; Network coordinator converges the collection in worksite data of whole radio sensing network, and is responsible for the network organization of the radio sensing network of working site, whole harbour.
Described terminal data acquisition node, router and network coordinator are all as the network node of ZigBee, network coordinator is unique in radio sensing network, and router and terminal data acquisition node can have a plurality of, radio sensing network based on ZigBee has 65536 network nodes at most, between terminal data acquisition node, router and the network coordinator with the ZigBee radio communication, and the formation network topology structure, network topology structure can be configured to star-like, tree type or fully connected topology according to harbour geographic layout and actual monitoring needs.
As shown in Figure 2, described terminal data acquisition node, it comprises: first processor, standard SCI (serial communication) interface, sensor interface, ZigBee transceiver and low-power consumption source control module, first processor respectively with standard SCI interface, sensor interface links to each other, and coordination control criterion SCI interface, the operation of sensor interface, the external serial communication device input string of standard SCI interface row communication data, sensor interface external data sampling sensor input sampling data, serial communication data and sampled data are the collection in worksite data, first processor sends to the ZigBee transceiver with the binding and layout of collection in worksite data by the SPI interface, the ZigBee interface of ZigBee transceiver is sent to router or network coordinator with the collection in worksite data, low-power consumption energy management module respectively with first processor, standard SCI interface, sensor interface, the ZigBee transceiver links to each other, the power supply support is provided, and power supply managed, realize terminal data acquisition node low-power consumption long-play.
Described standard SCI interface, it is responsible for obtaining the serial communication data from serial communication device, and the interface that carries out the configuration of ZigBee network parameter and operational factor as terminal data acquisition node and router, and described SCI interface is 1 the tunnel.
Described sensor interface is AD sampling interface, its external data pick-up transducers pick-up transducers analog quantity, and sensor interface receives digital quantity and inputs or outputs switch controlling signal also as universal I/O port, and sensor interface is 4 the tunnel.
Described ZigBee transceiver, comprise ZigBee supporting chip and ZigBee antenna, the ZigBee supporting chip provides the SPI that communicates by letter with first processor interface, the ZigBee supporting chip is realized the Physical layer support to the IEEE802.15.4 agreement, the ZigBee antenna is realized the transmission of information, under first processor control, externally provide the ZigBee interface, the ZigBee transceiver is communicated by letter with first processor by the SPI interface, receive the collection in worksite data that first processor sends binding and layout, and be sent to the router or the network coordinator of network topology structure decision by the ZigBee interface.
Described SCI interface is 1 the tunnel, and sensor interface is 4 the tunnel.
Described terminal data acquisition node, it transplants complete ZigBee protocol stack (terminal device), realization is based on the ZigBee terminal device network function of the radio sensing network of ZigBee, the ZigBee protocol stack is a miniature operating system, operate on the first processor, coordinate each nextport hardware component NextPort cooperating of terminal data acquisition node, every being operated in that first processor is carried out is considered as a task in the protocol stack, first processor constantly obtains the collection in worksite data row cache of going forward side by side from standard SCI interface and sensor interface, by SPI interface interchange ZigBee transceiver, the collection in worksite data are uploaded with the ZigBee wireless mode then by the ZigBee interface.
In the present embodiment, the device model of each ingredient employing of terminal data acquisition node is as follows:
First processor adopts the ATmega128L of Atmel company, the 128K Flash that chip carries provides physical support for transplanting the ZigBee protocol stack, the SCI interface that carries can be realized the serial data communication function under the assistance of level transferring chip, 10 AD interfaces that carry are realized AD sampling or universal I function, the SPI interface that carries realizes and the communication function of ZigBee transceiver that chip low-power consumption characteristics satisfy ZigBee low-power consumption target.
The ZigBee transceiver adopts the ZigBee 2.4GHz supporting chip CC2420 of TI.
Low-power consumption source control module adopts the MIC5209-3.3BS of MICREL company, and power supply adopts 3 joint AA 1.5V powered battery.
The level conversion of standard SCI interface adopts the MAX232 of MAXIM company.
ZigBee antenna in the ZigBee transceiver designs the shape of falling F PCB antenna on pcb board, the adaptive groove of design standards 2.4GHz can connect standard 2.4GHz antenna simultaneously.
The ZigBee protocol stack of terminal data acquisition node adopts the Z-Stack protocol stack (terminal device) of Chipcon company, revise transmitting-receiving of SCI interface data and sensing collecting part on this basis, realize that standard SCI interface data and sensing data are to the wireless transparent forwarding of ZigBee.
Each intermodule annexation is: first processor ATmega128L links to each other with ZigBee transceiver CC2420 by spi bus, the pin 61 (ADC0) of first processor ATmega128L, 60 (ADC1), 59 (ADC2), 58 (ADC3) link to each other with four road input ports of AD acquisition interface, the serial ports input pin 27 (RXD1) of first processor ATmega128L links to each other with SCI level conversion MAX232 serial ports output pin 12 (R1OUT), and the serial ports output pin 28 (TXD1) of first processor ATmega128L links to each other with MAX232 serial ports input pin 11 (T1IN).
Described router, be responsible for realizing the network route of ZigBee and transmitting the collection in worksite data, router is according to the network topology structure of radio sensing network, upwards insert and go up level router or higher level's network coordinator, and permission connects level router or subordinate's terminal data acquisition node down downwards, realize its ZigBee network routing function, and the collection in worksite data that will descend level router or subordinate's terminal data acquisition node to send are sent to level router or higher level's network coordinator on coupled on the ZigBee network, realize the collection in worksite forwarding of data.
Described router, it transplants complete ZigBee protocol stack (router), realizes its network routing function as the ZigBee network node.Under the tissue of router, other routers in the ZigBee networking insert the following level router that this router constitutes this router on the network topology structure, and other terminal data acquisition node also can insert this router; Also will insert other routers or direct access network telegon on the ZigBee network in this from this router simultaneously, they constitute the upper network node on the network topology structure.The ZigBee protocol stack is actual to be a miniature operating system, coordinates router and respectively forms the module cooperating, and each processor is operated in and is considered as a task in the protocol stack.In the present embodiment, except the network route task of finishing the ZigBee network router, the processor main task is constantly to be received in the data of undernet node coupled on the ZigBee network by the ZigBee network interface, and is forwarded to coupled ZigBee upper network node.Under the scheduling of ZigBee protocol stack, each task is performed successively.
As shown in Figure 3, described network coordinator, comprise processor and data cache module, ZigBee module and TCP/IP module, the ZigBee module receives the collection in worksite data of binding and layout by the ZigBee interface, processor and data cache module are made up of second processor and SRAM storer, second processor, one end is by SPI interface and ZigBee module communication, and parse the collection in worksite data, buffer into the SRAM storer, the second processor other end is by SCI interface and TCP/IP module communication, and the collection in worksite data of the buffer memory in the SRAM storer are sent to remote data server by the TCP/IP interface.
Described network router adopts and the identical hardware of terminal data acquisition node, but network router is transplanted complete Z-Stack protocol stack (router), realizes the network routing function of ZigBee and is responsible for the collection in worksite forwarding of data.
Described network coordinator, it transplants complete ZigBee protocol stack (telegon), realizes its network coordinator function as the ZigBee network node.Under the tissue of network coordinator, form star-like, tree type or netted network topology structure according to default network topology structure in the radio sensing network initialization procedure.The ZigBee protocol stack is actual to be a miniature operating system, and the coordination network telegon is respectively formed the module cooperating, and each second processor is operated in and is considered as a task in the protocol stack.In this example, except the network coordination task of finishing the ZigBee network coordinator, second processor constantly converges the collection in worksite data of whole radio sensing network by the ZigBee network interface, buffering into the SRAM storer, is that ICP/IP protocol mails to remote data server by the TCP/IP module converts then.Under the scheduling of ZigBee protocol stack, each task is performed successively.
The device model that each ingredient employing is thought highly of in the network coordination is as follows:
Processor and cache module adopt the ATmega128L of Atmel company, chip carries 128K Flash and provides support for transplanting the ZigBee protocol stack, the SPI interface that chip carries is realized the communication function with the ZigBee transceiver, and the SCI that chip carries receives the communication function of realizing with the TCP/IP module.
The ZigBee module adopts the ZigBee module of Microchip company, only realizes the 802.15.4 Physical layer support of ZigBee.
The TCP/IP module adopts the serial ports of Zhou Ligong to change ethernet module ZNE-10T, realizes that serial ports receives the Network Transmission of data based on ICP/IP protocol.
The ZigBee protocol stack (telegon) of network coordinator adopts the Z-Stack protocol stack (telegon) of Chipcon company, revise buffer memory and serial ports forwarding part that ZigBee receives data on this basis, realize the forwarding of convergence, buffer memory and the TCP/IP of ZigBee network.
As shown in Figure 4, described remote data server is to have the fixedly webserver of IP, comprises data reception module, data memory module and data release module, wherein:
Data reception module links to each other with network coordinator by the TCP/IP interface, receives the collection in worksite data that network coordinator converges, and resolves by the format protocol of stipulating in advance, draws data, is transferred to data memory module;
Data memory module is the core of remote data server, and data memory module is responsible for the structure of database and the access of data, and receives the data of data reception module transmission, deposits database corresponding data table in, for the data release module provides data;
The data release module adopts the external distributing data of WebServices interface, according to the monitoring application program the request call data memory module data and return to the monitoring application program, simultaneously according to the monitoring needs, the WebServices interface also can be based on the image data in the data memory module according to monitoring application program monitoring request, call respective algorithms, analyze image data, only analysis result is returned the monitoring application program.
The WebServices data release process of the Data Receiving program of data reception module inside and data release module inside all is based on Java and realizes that database is based on the MySQL database in this example.The Data Receiving program uses Socket to receive the ZigBee network coordinator based on the data that TCP/IP sends, and with data order line format analysis according to the rules, isolates the field of acquisition parameter corresponding to tables of data in the database, deposits it in database.WebServices needs according to the inquiry of monitoring application program to the data database data, the releasing inquiry interface returns monitoring application program desired data, needs according to monitoring simultaneously, directly realize analysis according to using algorithm, the result is returned the monitoring application program data in the database.
More than the hardware of terminal data acquisition node and router is implemented, make its cost control within 100 yuans, network coordinator is controlled within 200 to 300 yuans.The terminal data acquisition node adopts three joint AA powered battery, but continuous working 6 months to 2 years under low-power consumption energy management module controls.
Claims (10)
1. harbour on-site data gathering transmission and issuance system based on purple-bee technology, it is characterized in that, comprise: radio sensing network and remote data server, wherein: radio sensing network is distributed in the working site, harbour, be responsible for the data of the duty at collection scene, harbour, and with the Zigbee wireless mode converge the net in image data, with the image data packing of converging, be transferred to remote data server by wired Intranet based on transmission control protocol and IP(Internet Protocol), remote data server receives data based on transmission control protocol and IP(Internet Protocol), data transmission format according to packing is resolved data, deposit database in, and carry out the issue of data in the Web service mode;
Described radio sensing network, comprise: terminal data acquisition node, router and network coordinator, the terminal data acquisition node links to each other with router or network coordinator on network topology structure, be responsible for the collection of working site, harbour data, and data are sent to level router or network coordinator on coupled on the ZigBee network; Router is responsible for the collection in worksite data forwarding to level router or network coordinator on coupled on the ZigBee network, and is responsible for the network route of subordinate's ZigBee network node coupled on ZigBee network; Network coordinator converges the collection in worksite data of whole radio sensing network, and is responsible for the network organization of the radio sensing network of working site, whole harbour.
2. the harbour on-site data gathering transmission and issuance system based on purple-bee technology according to claim 1, it is characterized in that, described terminal data acquisition node, router and network coordinator are all as the network node of purple honeybee, network coordinator is unique in radio sensing network, and router and terminal data acquisition node have a plurality of, radio sensing network based on purple honeybee has 65536 network nodes at most, the terminal data acquisition node, between router and the network coordinator with Zigbee wireless communication, and the formation network topology structure, network topology structure is configured to star-like according to harbour geographic layout and actual monitoring needs, tree type or fully connected topology.
3. the harbour on-site data gathering transmission and issuance system based on purple-bee technology according to claim 1 and 2, it is characterized in that, described terminal data acquisition node, it comprises: first processor, the standard serial communication interface, sensor interface, purple honeybee transceiver and low-power consumption source control module, first processor respectively with the standard serial communication interface, sensor interface links to each other, and coordination control criterion serial communication interface, the operation of sensor interface, the external serial communication device input string of standard serial communication interface row communication data, sensor interface external data sampling sensor input sampling data, serial communication data and sampled data are the collection in worksite data, first processor sends to purple honeybee transceiver with the binding and layout of collection in worksite data by Serial Peripheral Interface, the purple honeybee interface of purple honeybee transceiver is sent to router or network coordinator with the collection in worksite data, low-power consumption energy management module respectively with first processor, the standard serial communication interface, sensor interface, purple honeybee transceiver links to each other, the power supply support is provided, and power supply managed, realize terminal data acquisition node low-power consumption long-play.
4. the harbour on-site data gathering transmission and issuance system based on purple-bee technology according to claim 3, it is characterized in that, described standard serial communication interface, it is responsible for obtaining the serial communication data from serial communication device, and the interface that carries out the configuration of ZigBee network parameter and operational factor as terminal data acquisition node and router;
Described sensor interface is analog to digital conversion sampling interface, its external data pick-up transducers pick-up transducers analog quantity, and sensor interface receives digital quantity and inputs or outputs switch controlling signal also as general input/output port.
5. the harbour on-site data gathering transmission and issuance system based on purple-bee technology according to claim 3, it is characterized in that, described purple honeybee transceiver, comprise purple honeybee supporting chip and purple honeybee antenna, purple honeybee supporting chip provides the Serial Peripheral Interface of communicating by letter with first processor, purple honeybee supporting chip is realized the Physical layer support to the IEEE802.15.4 agreement, purple honeybee antenna is realized the transmission of information, under first processor control, externally provide the Zigbee wireless communication function, purple honeybee transceiver is communicated by letter with first processor by serial communication interface, receive the collection in worksite data that first processor sends binding and layout, and utilize the Zigbee wireless communication function to be sent to the router or the network coordinator of network topology structure decision.
6. according to claim 1 or 3 described harbour on-site data gathering transmission and issuance systems based on purple-bee technology, it is characterized in that, described terminal data acquisition node, it transplants complete ZigBee protocol stack, realization is based on the purple honeybee terminal device network function of the radio sensing network of purple honeybee, the ZigBee protocol stack is a miniature operating system, operate on the first processor, coordinate each nextport hardware component NextPort cooperating of terminal data acquisition node, every being operated in that first processor is carried out is considered as a task in the protocol stack, first processor constantly obtains the collection in worksite data row cache of going forward side by side from standard serial communication interface and sensor interface, call purple honeybee transceiver by Serial Peripheral Interface then, the collection in worksite data are uploaded in the Zigbee wireless mode by purple honeybee interface.
7. the harbour on-site data gathering transmission and issuance system based on purple-bee technology according to claim 1, it is characterized in that, described router, it transplants complete ZigBee protocol stack, realize its network routing function as the ZigBee network node, under the tissue of router, other routers in the purple honeybee networking insert the following level router on this router formation network topology structure, other terminal data acquisition node also can insert this router, meanwhile, router also will insert other routers or the direct access network telegon on the ZigBee network, constitute the upper network node on the network topology structure, the ZigBee protocol stack is a miniature operating system, coordinate router and respectively form the module cooperating, every being operated in that processor is carried out is considered as a task in the protocol stack, except the network route task of finishing the ZigBee network router, processor constantly is received in the subordinate's terminal data acquisition node coupled on the ZigBee network or the data of router by purple honeybee interface, and be forwarded to level router or network coordinator on the coupled purple honeybee, under the scheduling of ZigBee protocol stack, each task is performed successively.
8. according to claim 1 or 2 described harbour on-site data gathering transmission and issuance systems based on purple-bee technology, it is characterized in that, described network coordinator, comprise processor and data cache module, zifeng modular and TCP/IP module, zifeng modular receives the collection in worksite data of binding and layout by purple honeybee interface, processor and data cache module are made up of second processor and static RAM, second processor, one end is communicated by letter with zifeng modular by Serial Peripheral Interface, and parse the collection in worksite data, buffer into static RAM, the second processor other end is by serial communication interface and TCP/IP module communication, and the collection in worksite data of buffer memory in the static RAM TCP/IP interface by the TCP/IP module is sent to remote data server.
9. the harbour on-site data gathering transmission and issuance system based on purple-bee technology according to claim 8, it is characterized in that, described network coordinator, it transplants complete ZigBee protocol stack, realize its network coordinator function as the ZigBee network node, under the tissue of network coordinator, form star-like according to default network topology structure in the radio sensing network initialization procedure, tree type or netted network topology structure, the ZigBee protocol stack is actual to be a miniature operating system, the coordination network telegon is respectively formed the module cooperating, each second processor is operated in and is considered as a task in the protocol stack, except the network coordination task of finishing the ZigBee network telegon, second processor constantly converges the collection in worksite data of whole radio sensing network by the ZigBee network interface, buffer into static RAM, be that transmission control protocol/IP(Internet Protocol) mails to remote data server by the TCP/IP module converts then, under the scheduling of ZigBee protocol stack, each task is performed successively.
10. the harbour on-site data gathering transmission and issuance system based on purple-bee technology according to claim 1, it is characterized in that described remote data server is to have the fixedly webserver of IP, comprise data reception module, data memory module and data release module, wherein:
Data reception module links to each other with network coordinator by Intranet, receive the collection in worksite data that network coordinator converges based on transmission control protocol/IP(Internet Protocol), and press the data layout parsing that radio sensing network is packed, and draw data, be transferred to data memory module;
Data memory module is the core of remote data server, and data memory module is responsible for the structure of database and the access of data, and receives the data of data reception module transmission, deposits database corresponding data table in, for the data release module provides data;
The data release module adopts the external distributing data of Web service interface, according to the monitoring application program the request call data memory module data and return to the monitoring application program, simultaneously according to the monitoring needs, the Web service interface is monitored request based on the image data in the data memory module according to the monitoring application program, call respective algorithms, analyze image data, only analysis result is returned the monitoring application program.
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