CN102665296B - A kind of wireless sensor network data is collected and distributing device and method - Google Patents
A kind of wireless sensor network data is collected and distributing device and method Download PDFInfo
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Abstract
The invention provides a kind of wireless sensor network data to collect and distributing device, comprising: processing unit and the data-oriented central communication unit, memory cell and the power supply unit that are connected with described processing unit; Data-oriented central communication unit is used for the collection of described wireless sensor network data and the bidirectional data communication between distributing device and data center; Processing unit, for receiving the data publication customized command from data-oriented central communication unit, after resolving, generates data publication customized file, is stored into described memory cell; Data after filtration, also for receiving the data of the wireless sensor node from facing sensing Network Communication unit, after resolving, are sent to data center's communication unit according to data publication customized file by described processing unit.Present invention also offers corresponding Data Collection and dissemination method.The present invention can avoid the wasting of resources while meeting consumers' demand, and complexity and cost lower.
Description
Technical field
The present invention relates to embedded system, wireless sensor network technology field, specifically, the present invention relates to a kind of wireless sensor network data and collect and distributing device and method.
Background technology
Wireless sensor network forms by being deployed in cheap microsensor nodes a large amount of in monitored area, the multihop self-organizing network formed by communication.In recent years, wireless sensor network is widely used in fields such as environmental monitoring and protection, medical treatment and nursing, military affairs, families with its low-power consumption, low cost, feature that is distributed and self-organizing.
Sensor network is made up of sensing node, aggregation node and data center usually.Wherein, sensing node gathers the data (as temperature, humidity etc.) in its monitored area, is sent to aggregation node by the mode of wireless multi-hop.Because sensing data can not directly by people's identification, the data that therefore aggregation node is collected need to carry out resolving and can the form of identification issue out with people, and finally the heart shows in the data.Here can not be comprised two layers of meaning by the direct identification of people, one is that the measured value that returns of transducer itself may not have physical significance, needs to bring specific conversion formula into, is converted into the numerical value with physical significance; Two be sensing data in the transmitting procedure of wireless multi-hop, the format manipulation (as encryption, coding etc.) of data may be carried out.Accordingly, Data Analysis also comprises two layers of meaning, and one is the conversion that sensing data arrives physical quantity, two be transmission data go format.And data publication is the requirement according to user, the sensing data after resolving is shown to user according to specific form (as data class, display typesetting etc.).Can find out, Data Collection and issue are can bridge the world of identification from the physical world at sensor network place to people, and the application for sensor network has great importance.
Existing sensor network data is collected and dissemination method is mainly divided into following 3 classes: (1) aggregation node only carries out the collection of data, initial data is sent to data center to be undertaken resolving and issuing by the software of customization; (2) aggregation node carries out Data Collection and parsing, sends to data center to be issued by the software of customization the data after resolving; (3) aggregation node carries out Data Collection, parsing, and carries out data publication by self built-in web server, and data center is by the browser display data of standard.All there is following defect in above-mentioned three class methods: 1) no matter user the need of, sensor node all can by set data collection cycle and data type image data, and collected data are all sent to aggregation node, so often cause the wasting of resources, be unfavorable for saving node energy consumption and communication overhead.2) no matter user the need of, the data obtained from all types of all sensors node all can be pushed to data center according to the fixed cycle by aggregation node, cause the wasting of resources.Further, easily find out, above-mentioned (1) (2) two class methods all to need to feel at ease in the data the software of the system that sets, because of complexity and the cost of the Data Collection and issue that this increase wireless sensor network, be unfavorable for applying of wireless sensor network.And (3) although class methods reduce the Data Collection of wireless sensor network and the complexity of issue, but browser itself cannot refresh displaying contents automatically along with the renewal of data, need user's manual refreshing browser could show up-to-date sensing data, be not easy to user on the one hand use, up-to-date sensing data can not be shown in time on the one hand in addition.
Therefore, currently the wasting of resources can be avoided while (Data Collection and issue capability) meets consumers' demand in the urgent need to one and complexity and lower-cost wireless sensor network data are collected and distributing device and method.
Summary of the invention
An object of the present invention is to provide a kind of wireless sensor network data can avoiding the wasting of resources while meeting consumers' demand to collect and distributing device and method.
Further, another object of the present invention is to provide a kind of complexity and lower-cost wireless sensor network data and collects and distributing device and method.
For achieving the above object, the invention provides a kind of wireless sensor network data and collect and distributing device, comprising: processing unit and the data-oriented central communication unit, memory cell and the power supply unit that are connected with described processing unit; Data-oriented central communication unit is used for the collection of described wireless sensor network data and the bidirectional data communication between distributing device and data center; Processing unit, for receiving the data publication customized command from data-oriented central communication unit, after resolving, generates data publication customized file, is stored into described memory cell; Data after filtration, also for receiving the data of the wireless sensor node from facing sensing Network Communication unit, after resolving, are sent to data center's communication unit according to data publication customized file by described processing unit.
Wherein, described wireless sensor network data is collected and is also comprised with distributing device the facing sensing Network Communication unit be connected with described processing unit, and described facing sensing Network Communication unit is used for the collection of described wireless sensor network data and the bidirectional data communication between distributing device and wireless sensor node; Described processing unit, also for receiving the Sensor Network dynamic-configuration order from data-oriented central communication unit, after resolving, generating sensor network data bag according to the order of Sensor Network dynamic-configuration, being sent to facing sensing Network Communication unit.
Wherein, described data-oriented central communication unit is used for the collection of described wireless sensor network data and the bidirectional data communication between distributing device and the browser of data center.
Wherein, described processing unit also for receiving sensor node from facing sensing Network Communication unit to the feedback information of transducer dynamic-configuration order (such as dynamic-configuration whether success), being supplied to data-oriented central communication unit after being resolved by feedback information and showing with the browser sending it to data center.
Present invention also offers a kind of wireless sensor network system, comprise: data center, wireless sensor network data collection and distributing device and wireless sensor node, it is characterized in that, described wireless sensor network data is collected and distributing device adopts aforesaid wireless sensor network data to collect and distributing device.
Present invention also offers a kind of wireless sensor network data based on aforesaid wireless sensor network system to collect and dissemination method, comprise the following steps:
1) user is by data center, customizes, and be sent to Data Collection and distributing device to the type of data publication, source and release cycle;
2) Data Collection and distributing device are resolved the order of data publishing of customized and parameter;
3) Data Collection and distributing device resolve the data that transducer gathers, and carry out data filtering according to the customized content of data publication, and the data after filtering are sent to data center;
4) user checks the sensing data of customization by data center.
Wherein, described step 1) comprises the following steps:
11) user is by the browser of data center, and the data-oriented central communication unit to Data Collection and distributing device sends connection establishment packet, sets up the connection of tcp between the two;
12) browser that the configuration webpage that data publication customizes is sent to data center shows by Data Collection and distributing device;
13) web data after customization is sent to the data-oriented central communication unit of Data Collection and distributing device by the order of browser configuration data publishing of customized and parameter by user.
Wherein, described step 2) comprise the following steps:
21) processing unit of Data Collection and distributing device receives the order and parameter that customize from the data publication of data-oriented central communication unit, carries out the parsing of data publication customized command and parameter;
22) the data customization order after parsing and parameter are generated data publication customized file and are kept at memory cell by the processing unit of Data Collection and distributing device;
23) result that data publication customizes is sent to data-oriented central communication unit by the processing unit of Data Collection and distributing device, and the browser being sent to data center shows.
Wherein, described step 3) comprises the following steps:
31) Data Collection and distributing device receive the initial data from wireless sensor node by facing sensing Network Communication unit;
32) processing unit of Data Collection and distributing device resolves the initial data of sensor network;
33) processing unit of Data Collection and distributing device is according to the data publication customized file stored in the memory unit, filters the sensing data after resolving;
34) processing unit of Data Collection and distributing device is organized parsing and the sensor network data after filtering, and generates data display web page;
35) data display web page is sent to data-oriented central communication unit by the processing unit of Data Collection and distributing device, and the browser being finally sent to data center shows.
Present invention also offers a kind of wireless sensor network Dynamic Configuration based on aforesaid wireless sensor network system, comprise the following steps:
101) user sends connection establishment data by data center to Data Collection and distributing device, and the tcp set up between the two connects.
102) configuration webpage of Sensor Network dynamic-configuration is sent to data center and shows by Data Collection and distributing device;
103) user is sent to Data Collection and distributing device by the browser configuration order of dynamic-configuration and parameter;
104) Data Collection and distributing device receive order from the dynamic-configuration of data center and parameter, carry out the parsing of order and parameter;
105) data after parsing are generated sensor network data bag by the processing unit of Data Collection and distributing device automatically, are sent to facing sensing Network Communication unit;
106) sensor network data bag is sent to wireless sensor node by the facing sensing Network Communication unit of Data Collection and distributing device;
107) Data Collection and distributing device receiving sensor node are to the feedback information of dynamic-configuration order, and send it to processing unit and resolve.
108) dynamic-configuration result is sent to data center and shows by Data Collection and distributing device.
Compared with prior art, the present invention has following technique effect:
1, collection of the present invention and distributing device independently realize collection and the parsing of sensing data.
2, in the present invention, data center does not need to install any customized software, only use browser just can carry out data display, therefore complexity and cost lower.
3, in the present invention, the sensing data issued on a web browser can display update automatically.
4, Data Collection of the present invention and distributing device support that user carries out Dynamic Customization by browser to the data type issued, source and data-pushing cycle, thus meet user's use habit better (such as, data typesetting format) and dynamic need, also avoid the wasting of resources simultaneously.
5, Data Collection of the present invention and distributing device support are to the dynamic-configuration of sensor node data collection period and image data type, thus while meeting consumers' demand, save node energy consumption and communication overhead, avoid the wasting of resources.
6, use Data Collection of the present invention and distributing device, be more easy to build wireless sensor network system.
Accompanying drawing explanation
Fig. 1 shows the structure chart of the wireless sensor network system in one embodiment of the invention;
Fig. 2 shows the wireless sensor network data collection of one embodiment of the invention and the structure chart of distributing device;
Fig. 3 shows the structure chart of the processing unit in one embodiment of the invention;
Fig. 4 shows the structure chart of the power supply unit in one embodiment of the invention;
Fig. 5 shows Data Collection and the dissemination method overall flow figure of one embodiment of the invention;
Fig. 6 shows the flow chart of the data publication method for customizing in one embodiment of the invention;
Fig. 7 shows the flow chart of the data publication method in one embodiment of the invention;
Fig. 8 shows the flow chart of the sensor network Dynamic Configuration in one embodiment of the invention;
Fig. 9 shows the flow chart of the sensor node Dynamic Configuration in one embodiment of the invention;
Figure 10 shows the sample figure of the configuration webpage typesetting pattern of the data publication customization in one embodiment of the invention;
Figure 11 shows the sample figure of the data publication webpage layout pattern in one embodiment of the invention;
Figure 12 shows the sample figure of the Sensor Network dynamic-configuration webpage layout pattern in one embodiment of the invention.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention done and describe further.
According to one embodiment of present invention, provide a kind of wireless sensor network data to collect and distributing device.Fig. 1 shows the structure chart of the collection of this wireless sensor network data and the wireless sensor network system residing for distributing device.As shown in Figure 1, described wireless sensor network system comprises: (1) data center 101; (2) wireless sensor network data is collected and distributing device 102; And (3) wireless sensor node 103.Wirelessly communicate between wireless sensor node 103, the data collected by transducer are sent to Data Collection and distributing device 102 by the mode of multi-hop.Data Collection and distributing device 102 1 aspect receive data publication customized command from data center 101 and the order of Sensor Network dynamic-configuration, and dynamic-configuration order is sent to wireless sensor node 103; Collect the data of wireless sensor node 103 in addition on the one hand and according to data publication customized command, the data after filtration be sent to data center 101, and showing on a web browser.User sets up tcp by the browser that data center 101 installs with Data Collection and distributing device 102 and is connected, and sends data publication customized command and the order of Sensor Network dynamic-configuration on the one hand, shows the data that sensor node collects in addition on the one hand.Data Collection and can being communicated by wired or wireless mode between distributing device 102 and data center 101.
Fig. 2 shows the wireless sensor network data collection of one embodiment of the invention and the structure chart of distributing device, comprise: processing unit 203, the data-oriented central communication unit 201 be connected with processing unit 203 respectively, facing sensing Network Communication unit 202, memory cell 204 and power supply unit 205.
Wherein, data-oriented central communication unit 201 is responsible for the bidirectional data communication between the browser of Data Collection and distributing device 102 and data center 101, wired (comprising netting twine, telephone wire etc.) can be adopted or wirelessly (comprise GPRS, 3G, WIFI etc.) mode, can be shelf communication equipment or device, also can be the equipment or the device that have cured the communication technology.Data-oriented central communication unit 201 is connected by the signal of telecommunication with processing unit 203.
Facing sensing Network Communication unit 202 is responsible for Data Collection and the bidirectional data communication between distributing device 102 and wireless sensor node 103, wirelessly (GPRS is comprised to adopt, 3G, WIFI etc.) mode communicate, can be shelf communication equipment or device, also can be the equipment or the device that have cured the communication technology.Facing sensing Network Communication unit 202 is connected by the signal of telecommunication with processing unit 203.
Processing unit 203 can be the device that desktop computer processor or flush bonding processor or FPGA or DSP etc. have operational capability and external interface; It and data-oriented central communication unit 201, facing sensing Network Communication unit 202, power supply unit 204, memory cell 205 are interconnected respectively; For receiving data publication customized command from data-oriented central communication unit 201 and the order of Sensor Network dynamic-configuration, after resolving, generate data publication customized file on the one hand, be stored into memory cell 204, on the one hand the order of Sensor Network dynamic-configuration is generated sensor network data bag in addition, be sent to facing sensing Network Communication unit 202; Data after filtration, also for receiving the data of the wireless sensor node 103 from facing sensing Network Communication unit 202, after resolving, are sent to data-oriented central communication unit 201 according to data publication customized file by processing unit 203.
Memory cell 204 can be the storage mediums such as hard disk, flash chip, SD card, USB device; It is connected by the signal of telecommunication with processing unit 203; Be responsible for the sensing data after storing and resolving, store the collection of this wireless sensor network data and the file required for distributing device operation simultaneously, comprise operating system, operational factor etc.
Fig. 3 is the structure chart of the processing unit in one embodiment of the invention, and this processing unit comprises: browser data receiver module 301, is responsible for connecting with the browser of data center 101 and receiving the data from browser; Sensor Network dynamic-configuration command analysis module 302, for resolving Sensor Network dynamic-configuration order from the browser of data center 101 and parameter; Sensor Network packet generation module 303, for automatically generating Sensor Network packet by the dynamic-configuration order after parsing and parameter; Sensor Network Packet Generation module 304, is responsible for Sensor Network Packet Generation to wireless sensor node 103; Data publication customized parameter parsing module 305, for resolving sensing data publishing of customized order from the browser of data center 101 and parameter, and generating data publication customized file, being stored in memory cell 204; Sensor Network data publication module 306, for organizing parsing and the sensing data after filtering according to specific typesetting pattern; Browser data sending module 307, for being sent to data center 101 by according to the data after given row version style Organizer, shows on a web browser; Sensor Network data filtering module 308, for according to data publication customized file, filters the sensing data after resolving, only the publishing of customized file data type of specifying and Data Source; Sensor Network data resolution module 309, is responsible for resolving the initial data of Sensor Network, changes the content that can identify into people; Sensor Network data collection module 310, for receiving the initial data that wireless sensor node sends.
Power supply unit 205 is responsible for energy acquisition and is provided suitable voltage for other each module.Fig. 4 shows the structure chart of the power supply unit of one embodiment of the invention, and this power supply unit comprises: (1) solar panel 401; (2) solar charging controller 402; (3) storage battery 403.Solar panel 401 is responsible for the collection of solar energy and the conversion of solar energy to electrical, is connected with solar charging controller 402; Solar charging controller 402 is connected with solar panel 401 and storage battery 403 respectively, is responsible for controlling charge and discharge process, and monitors storage battery 403 charged state; Storage battery 403 is connected with solar charging controller 402, is responsible for converting electrical energy into chemical energy and stores, and when being necessary chemical energy is converted to electric energy.
According to one embodiment of present invention, additionally provide a kind of wireless sensor network data based on above-mentioned wireless sensor network system to collect and dissemination method.Fig. 5 shows the overall flow figure of the collection of this wireless sensor network data and dissemination method, comprises the following steps:
Step 501: user, by the browser of data center 101, customizes the type of data publication, source and data publication cycle etc., and is sent to Data Collection and distributing device 102; In general, the type of data publication refers to: the type referring to the physical message that transducer collects, as temperature, humidity, illuminance etc.The source of data publication refers to: the ID collecting the sensor node of a certain categorical data.Such as, in actual applications, may have multiple sensor node can collecting temperature information, and user can according to the distance of node and measured target, whether node energy be sufficient etc. because usually determining that the data using which node carry out data publication.The data publication cycle refers to: the update cycle on the browser of the sensing data of the customization heart in the data, or refers to: collect and distributing device to cycle of the browser propelling movement customization data of data center.
Step 502: Data Collection and the order of distributing device 102 pairs of data publishing of customized are resolved, generates data publication customized file and stores;
Step 503: Data Collection and distributing device resolve the data that sensor node 103 gathers, and carry out data filtering according to the customized content of data publication, the data after filtration are sent to the browser of data center 101;
Step 504: user checks the sensing data of customization by the browser of data center 101.
Above-mentioned steps 501 ~ 502 can be summarized as the customization procedure of data publication.Step 503 ~ 504 can be summarized as data issuing process (wherein containing the process of Data Analysis).
Fig. 6 shows the flow chart of the customization of the data publication in one embodiment of the invention, and the customization flow process of this data publication comprises the following steps:
Step 601: user is by the browser of data center 101, and the data-oriented central communication unit 201 to Data Collection and distributing device 102 sends connection establishment packet, sets up the connection of tcp between the two.
Step 602: the configuration webpage that data publication customizes by Data Collection and distributing device 102 carries out organizing (example of the configuration webpage typesetting pattern of a data publishing of customized as shown in Figure 10) according to the form of html and specific typesetting pattern, and the browser being sent to data center 101 with http agreement by data-oriented central communication unit 201 shows.
Step 603: user is by the parameter of browser configuration data publishing of customized and the web data after customization is sent to the data-oriented central communication unit 201 of Data Collection and distributing device 102 with http agreement.
Step 604: the processing unit 203 of Data Collection and distributing device 102 receives the order and parameter that the data publication from data-oriented central communication unit 201 customizes, and carries out the parsing of data publication customized command and parameter.
Step 605: the data customization order after parsing and parameter are generated data publication customized file and are kept at memory cell 205 by the processing unit 203 of Data Collection and distributing device 102.
Step 606: the result that data publication customizes is sent to data-oriented central communication unit 201 by the processing unit 203 of Data Collection and distributing device 102, and show eventually through the browser that http agreement is sent to data center 101.
Fig. 7 shows the flow chart of the data publication method in one embodiment of the invention.
Step 701: Data Collection and distributing device 102 receive the initial data from wireless sensor node 103 by facing sensing Network Communication unit 202.
Step 702: the processing unit 203 of Data Collection and distributing device 102 resolves the initial data of sensor network.
Step 703: the processing unit 203 of Data Collection and distributing device 102, according to the data publication customized file be stored in memory cell 205, filters the sensing data after resolving.
Step 704: the processing unit 203 of Data Collection and distributing device 102 is according to specific typesetting pattern (example of a data publishing web page typesetting pattern as shown in figure 11), sensor network data after resolving and filtering is organized, generates the data display web page of html form;
Step 705: data display web page is sent to data-oriented central communication unit 201 by the processing unit 203 of Data Collection and distributing device 102, and show eventually through the browser that http agreement is sent to data center 101.
Fig. 8 shows the flow chart of the sensor network Dynamic Configuration in one embodiment of the invention.
Step 801: user is by the browser of data center 101, and the data-oriented central communication unit 201 to Data Collection and distributing device 102 sends connection establishment data, the tcp set up between the two connects.
Step 802: the configuration webpage of Sensor Network dynamic-configuration carries out organizing (example of a Sensor Network dynamic-configuration webpage layout pattern as shown in figure 12) according to the form of html and specific typesetting pattern by Data Collection and distributing device 102, and is shown by the browser that data-oriented central communication unit 201 is sent to data center 101 with http agreement.
Step 803: user is by the browser configuration order of dynamic-configuration and parameter and be sent to the data-oriented central communication unit 201 of Data Collection and distributing device 102 by http agreement.In general, the order of dynamic-configuration comprises: turn-on data collection, close data acquisition, arrange collection period.For turn-on data collection and close data acquisition command, its parameter all: data type.For arranging collection period order, its parameter is: cycle time length, unit can be minute, second or unit At All Other Times.
Step 804: the processing unit 203 of Data Collection and distributing device 102 receives order from the dynamic-configuration of data-oriented central communication unit 201 and parameter, carries out the parsing of order and parameter.
Step 805: the data after parsing are generated sensor network data bag by the processing unit 203 of Data Collection and distributing device 102 automatically, are sent to facing sensing Network Communication unit 202.
Step 806: sensor network data bag is sent to wireless sensor node 103 by the facing sensing Network Communication unit 202 of Data Collection and distributing device 102.
Step 807: Data Collection and distributing device 102 to the feedback information of dynamic-configuration order by facing sensing Network Communication unit 202 receiving sensor node, and are sent it to processing unit 203 and resolve.
Step 808: dynamic-configuration result is sent to data-oriented central communication unit 201 by the processing unit 203 of Data Collection and distributing device 102, and show eventually through the browser that http agreement is sent to data center 101.
Fig. 9 shows the flow chart of the sensor node Dynamic Configuration in one embodiment of the invention.
Step 901: sensor node 103 receives the order of Sensor Network dynamic-configuration and the parameter of Data Collection and distributing device 102 transmission.
Step 902: sensor node 103 resolves the order of Sensor Network dynamic-configuration and parameter.
Step 903: sensor node 103 adjusts data collection cycle and image data type according to the order of Sensor Network dynamic-configuration and dynamic state of parameters, stops or reseting the data acquisition clock for specific data type.
Step 904: the feedback information of dynamic-configuration is sent to Data Collection and distributing device 102 by sensor node 103.
In above-described embodiment, Data Collection and distributing device sensor node of can getting along well in customization procedure carries out alternately, and the customized file generated in customization procedure is only kept on collection and distributing device, carries out the filtration of sensing data based on customized file.That is, in customization procedure, Sensor Network may gather multiple physical quantity information (while of such as collecting temperature and humidity information), and user is current is only concerned about one of them physical quantity information (such as temperature information), so, by customization, collection and distributing device only issue this physical quantity information (such as temperature information), can avoid unnecessary data transfer overhead (such as transmitting the expense of humidity information) so to a certain extent.Data Collection and distributing device can be stored in as required to the unconcerned information of user (such as humidity information) or abandon.Because the situation of this only concern one or minority physical quantity (such as temperature information) only may maintain short period, therefore, now there is no need stop sensor and gather other physical quantity information (such as humidity information).
In above-described embodiment, can carrying out in the process of Sensor Network dynamic-configuration alternately of Data Collection and distributing device and sensor node.Sensor Network dynamic-configuration is applied to following situation: 1) when user feels no longer to need to gather a certain physical quantity information (such as temperature information); 2) current sensor possesses the ability of a certain physical quantity information of collection (such as temperature information) but does not open this function, and user feels to need to observe this physical quantity information (such as temperature information).In these cases, by dynamic-configuration, change the function of transducer image data.
According to description above, easily find out, Data Collection of the present invention and distributing device can support that user carries out Dynamic Customization by browser to the data type issued, source and data-pushing cycle, thus meet user's use habit better (such as, data typesetting format) and dynamic need, also avoid the wasting of resources simultaneously.In addition, Data Collection of the present invention and distributing device support to the dynamic-configuration of sensor node data collection period and image data type, thus save node energy consumption and communication overhead while meeting consumers' demand, and avoid the wasting of resources.
Professional can also recognize further, in conjunction with unit and the method step of each example of embodiment disclosed herein description, can realize with electronic hardware, software or the combination of the two, in order to the interchangeability of hardware and software is clearly described, generally describe composition and the method step of each example in the above description according to function.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use different technology, method to realize described function and method to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the present invention, can realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet principle disclosed herein and the consistent the widest scope of features of novelty.
Claims (8)
1. a wireless sensor network system, comprising: data center, wireless sensor network data collection and distributing device and wireless sensor node,
Described wireless sensor network data is collected and is comprised with distributing device: processing unit and the data-oriented central communication unit be connected with described processing unit, facing sensing Network Communication unit, memory cell and power supply unit; Data-oriented central communication unit is used for the collection of described wireless sensor network data and the bidirectional data communication between distributing device and data center; Processing unit, for receiving the data publication customized command from data-oriented central communication unit, after resolving, generates data publication customized file, is stored into described memory cell; Data after filtration, also for receiving the data of the wireless sensor node from facing sensing Network Communication unit, after resolving, are sent to described data-oriented central communication unit according to data publication customized file by described processing unit; Described facing sensing Network Communication unit is used for the collection of described wireless sensor network data and the bidirectional data communication between distributing device and wireless sensor node; Described processing unit, also for receiving the Sensor Network dynamic-configuration order from data-oriented central communication unit, after resolving, generating sensor network data bag according to the order of Sensor Network dynamic-configuration, being sent to facing sensing Network Communication unit;
Described wireless sensor node is for receiving the order of Sensor Network dynamic-configuration and parameter that described wireless sensor network data is collected and distributing device sends, and adjust data collection cycle and image data type according to the order of Sensor Network dynamic-configuration and dynamic state of parameters, stop or reseting the data acquisition clock for specific data type.
2. wireless sensor network system according to claim 1, is characterized in that, described data-oriented central communication unit is used for the collection of described wireless sensor network data and the bidirectional data communication between distributing device and the browser of data center.
3. wireless sensor network system according to claim 2, it is characterized in that, described processing unit also for receiving sensor node from facing sensing Network Communication unit to the feedback information of transducer dynamic-configuration order, being supplied to data-oriented central communication unit after being resolved by feedback information and showing with the browser sending it to data center.
4. the wireless sensor network data based on wireless sensor network system according to claim 1 is collected and a dissemination method, comprises the following steps:
1) user is by data center, customizes, and be sent to Data Collection and distributing device to the type of data publication, source and release cycle;
2) Data Collection and distributing device are resolved the order of data publishing of customized and parameter;
3) Data Collection and distributing device resolve the data that transducer gathers, and carry out data filtering according to the customized content of data publication, and the data after filtering are sent to data center;
4) user checks the sensing data of customization by data center.
5. wireless sensor network data according to claim 4 is collected and dissemination method, it is characterized in that, described step 1) comprise the following steps:
11) user is by the browser of data center, and the data-oriented central communication unit to Data Collection and distributing device sends connection establishment packet, sets up the connection of tcp between the two;
12) browser that the configuration webpage that data publication customizes is sent to data center shows by Data Collection and distributing device;
13) web data after customization is sent to the data-oriented central communication unit of Data Collection and distributing device by the order of browser configuration data publishing of customized and parameter by user.
6. wireless sensor network data according to claim 4 is collected and dissemination method, it is characterized in that, described step 2) comprise the following steps:
21) processing unit of Data Collection and distributing device receives the order and parameter that customize from the data publication of data-oriented central communication unit, carries out the parsing of data publication customized command and parameter;
22) the data customization order after parsing and parameter are generated data publication customized file and are kept at memory cell by the processing unit of Data Collection and distributing device;
23) result that data publication customizes is sent to data-oriented central communication unit by the processing unit of Data Collection and distributing device, and the browser being sent to data center shows.
7. wireless sensor network data according to claim 4 is collected and dissemination method, it is characterized in that, described step 3) comprise the following steps:
31) Data Collection and distributing device receive the initial data from wireless sensor node by facing sensing Network Communication unit;
32) processing unit of Data Collection and distributing device resolves the initial data of sensor network;
33) processing unit of Data Collection and distributing device is according to the data publication customized file stored in the memory unit, filters the sensing data after resolving;
34) processing unit of Data Collection and distributing device is organized parsing and the sensor network data after filtering, and generates data display web page;
35) data display web page is sent to data-oriented central communication unit by the processing unit of Data Collection and distributing device, and the browser being finally sent to data center shows.
8., based on a wireless sensor network Dynamic Configuration for wireless sensor network system according to claim 1, comprise the following steps:
101) user sends connection establishment data by data center to Data Collection and distributing device, and the tcp set up between the two connects;
102) configuration webpage of Sensor Network dynamic-configuration is sent to data center and shows by Data Collection and distributing device;
103) user is sent to Data Collection and distributing device by the browser configuration order of dynamic-configuration and parameter;
104) Data Collection and distributing device receive order from the dynamic-configuration of data center and parameter, carry out the parsing of order and parameter;
105) data after parsing are generated sensor network data bag by the processing unit of Data Collection and distributing device automatically, are sent to facing sensing Network Communication unit;
106) sensor network data bag is sent to wireless sensor node by the facing sensing Network Communication unit of Data Collection and distributing device;
107) Data Collection and distributing device receiving sensor node are to the feedback information of dynamic-configuration order, and send it to processing unit and resolve;
108) dynamic-configuration result is sent to data center and shows by Data Collection and distributing device.
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| CN201210144379.4A CN102665296B (en) | 2012-05-10 | 2012-05-10 | A kind of wireless sensor network data is collected and distributing device and method |
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| CN111935664B (en) * | 2020-07-20 | 2023-04-18 | 杭州电子科技大学 | Network data real-time collection method based on dynamic feedback |
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