CN102665296A - Device and method for collecting and publishing wireless sensor network data - Google Patents
Device and method for collecting and publishing wireless sensor network data Download PDFInfo
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- CN102665296A CN102665296A CN2012101443794A CN201210144379A CN102665296A CN 102665296 A CN102665296 A CN 102665296A CN 2012101443794 A CN2012101443794 A CN 2012101443794A CN 201210144379 A CN201210144379 A CN 201210144379A CN 102665296 A CN102665296 A CN 102665296A
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Abstract
The invention provides a device for collecting and publishing wireless sensor network data. The device comprises a processing unit, a data center-oriented communication unit, a storage unit and a power supply unit which are connected with the processing unit, wherein the data center-oriented communication unit is used for performing bidirectional data communication between the device for collecting and publishing wireless sensor network data and a data center; the processing unit is used for receiving a data issuing customizing command from the data center-oriented communication unit, resolving, generating a data issuing customizing file, and storing in the storage unit; and the processing unit is further used for receiving data from a wireless sensor node of the data center-oriented communication unit, resolving, and transmitting filtered data to the data center-oriented communication unit according to the data issuing customizing file. The invention further provides a corresponding data collecting and issuing method. According to the device and the method, resource waste can be avoided while user requirements are met, and the complexity and cost are low.
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 collection and distributing device and method.
Background technology
Wireless sensor network is formed by being deployed in cheap microsensor nodes a large amount of in the monitored area, through a multihop self-organizing network of communication formation.In recent years, wireless sensor network has obtained using widely in fields such as environmental monitoring and protection, medical treatment and nursing, military affairs, families with the characteristics of its low-power consumption, low cost, distributed and self-organizing.
Sensor network is made up of sensing node, aggregation node and data center usually.Wherein, sensing node is gathered the data (like temperature, humidity etc.) in its monitored area, and the mode through wireless multi-hop sends to aggregation node.Because sensing data can not be directly by people's identification, so the aggregation node data of collecting need be resolved and issue out with the form that the people can identification, finally show in data center.Here can not be comprised two layers of meaning by the direct identification of people, the one, measured value that transducer returns possibly itself not have physical significance, need bring specific conversion formula into, is converted into the numerical value with physical significance; The 2nd, sensing data possibly carry out the format manipulation (like encryption, coding etc.) of data in the transmission course of wireless multi-hop.Accordingly, data parsing also comprises two layers of meaning, and the one, sensing data arrives the conversion of physical quantity, and the 2nd, transmit the format of going of data.And data issuing is the requirement according to the user, shows according to specific form (like data kind, demonstration composing etc.) sensing data after resolving to the user.Can find out that data collection and issue are the bridges can the world of identification from the physical world at sensor network place to the people, have great importance for the application of sensor network.
The existing sensors network data is collected and dissemination method mainly is divided into following 3 types: (1) aggregation node only carries out the collection of data, initial data is sent to data center resolve and issue through the software of customization; (2) aggregation node carries out data collection and parsing, the data after resolving is sent to data center issue through the software of customization; (3) aggregation node carries out data collection, parsing, and carries out data issuing through self built-in web server, and data center is through the standard browser video data.All there is following defective in above-mentioned three class methods: 1) user's needs whether no matter; Sensor node all can be by set data collection cycle and data type image data; And the data that collected are all sent to aggregation node; Tend to cause the wasting of resources like this, be unfavorable for saving node energy consumption and communication overhead.2) no matter whether the user needs, and aggregation node all can be pushed to data center according to the fixed cycle with the data of obtaining from all types of all sensors node, causes the wasting of resources.And, find out that easily above-mentioned (1) (2) two class methods all need be installed the software of customization in data center, therefore increased the complexity and the cost of the data collection and the issue of wireless sensor network, be unfavorable for applying of wireless sensor network.And (3) though class methods have reduced the complexity of the data collection and the issue of wireless sensor network; But browser itself can't refresh displaying contents automatically along with updating data; Need user's manual refreshing browser could show up-to-date sensing data; Be not easy to the user on the one hand and use, can not show up-to-date sensing data in time on the one hand in addition.
Therefore, current pressing for a kind ofly can be avoided the wasting of resources and complexity and lower-cost wireless sensor network data collection and distributing device and method when (data collection and issue capability) meets consumers' demand.
Summary of the invention
An object of the present invention is to provide a kind of wireless sensor network data collection and distributing device and the method that can when meeting consumers' demand, avoid the wasting of resources.
Further, another object of the present invention provides a kind of complexity and lower-cost wireless sensor network data collection and distributing device and method.
For realizing the foregoing invention purpose, the invention provides a kind of wireless sensor network data and collect and distributing device, comprising: processing unit and the data-oriented center communication unit, memory cell and the power supply unit that are connected with said processing unit; Data-oriented center communication unit is used for the bidirectional data communication between said wireless sensor network data collection and distributing device and the data center; Processing unit is used to receive the data issuing customized command from data-oriented center communication unit, after resolving, generates the data issuing customized file, stores said memory cell into; Said processing unit also is used to receive the data from the wireless sensor node of facing sensing Netcom letter unit, after resolving, according to the data issuing customized file filtered data is sent to the communication unit to data center.
Wherein, Said wireless sensor network data is collected with distributing device and is comprised that also the facing sensing Netcom that is connected with said processing unit believes the unit, and said facing sensing Netcom believes that the unit is used for the bidirectional data communication between said wireless sensor network data collection and distributing device and the wireless sensor node; Said processing unit also is used to receive the sensing net dynamic-configuration order from data-oriented center communication unit, and after resolving, order generates the sensor network data bag according to sensing net dynamic-configuration, sends to facing sensing Netcom letter unit.
Wherein, said data-oriented center communication unit is used for the bidirectional data communication between the browser of said wireless sensor network data collection and distributing device and data center.
Wherein, Said processing unit also is used to receive the feedback information (for example whether dynamic-configuration is successful) of the transducer dynamic-configuration being ordered from the sensor node of facing sensing Netcom letter unit, offers data-oriented center communication unit after feedback information is resolved and shows with the browser that sends it to data center.
The present invention also provides 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 said wireless sensor network data is collected and distributing device adopts aforesaid wireless sensor network data to collect and distributing device.
The present invention also provides a kind of wireless sensor network data based on aforesaid wireless sensor network system to collect and dissemination method, comprises the following steps:
1) user is through data center, and type, source and release cycle that data are issued customize, and send to data collection and distributing device;
2) data collection and distributing device are resolved order of data publishing of customized and parameter;
3) data collection and distributing device are resolved the data that transducer is gathered, and carry out data filter according to the customized content of data issuing, and filtered data is sent to data center;
4) user checks the sensing data of customization through data center.
Wherein, said step 1) comprises the following steps:
11) user is through the browser of data center, sends to be connected to the data-oriented center of data collection and distributing device communication unit and sets up packet, sets up the connection of tcp between the two;
12) data collection and distributing device show the browser that the configuration webpage of data issuing customization sends to data center;
13) user through browser configuration data publishing of customized order and parameter and will customize after web data send to the data-oriented center communication unit of data collection and distributing device.
Wherein, said step 2) comprise the following steps:
21) processing unit of data collection and distributing device receives order and the parameter from the data issuing customization of data-oriented center communication unit, carries out the parsing of data issuing customized command and parameter;
22) data customization order and parameter after the processing unit of data collection and distributing device will be resolved generate the data issuing customized file and are kept at memory cell;
23) processing unit of data collection and distributing device sends to data-oriented center communication unit with the result of data issuing customization, and the browser that sends to data center shows.
Wherein, said step 3) comprises the following steps:
31) data collection and distributing device receive the initial data from wireless sensor node through facing sensing Netcom letter unit;
32) processing unit of data collection and distributing device is resolved the initial data of sensor network;
33) processing unit of data collection and distributing device filters the sensing data after resolving according to being stored in the data issuing customized file in the memory cell;
34) processing unit of data collection and distributing device is organized the sensor network data after resolving and filtering, and generates data display web page;
35) processing unit of data collection and distributing device sends to data-oriented center communication unit with data display web page, and the browser that finally sends to data center shows.
The present invention also provides a kind of wireless sensor network Dynamic Configuration based on aforesaid wireless sensor network system, comprises the following steps:
101) user sends to be connected with distributing device to data collection through data center and sets up data, and the tcp that sets up between the two connects.
102) data collection and distributing device send to data center with the configuration webpage of sensing net dynamic-configuration and show;
103) user disposes the order and the parameter of dynamic-configuration and sends to data collection and distributing device through browser;
104) data collection and distributing device receive order and the parameter from the dynamic-configuration of data center, carry out the parsing of order and parameter;
105) data after the processing unit of data collection and distributing device will be resolved generate the sensor network data bag automatically, send to facing sensing Netcom letter unit;
106) the facing sensing Netcom of data collection and distributing device letter unit sends to wireless sensor node with the sensor network data bag;
107) data collection and distributing device receiving sensor node be to the feedback information of dynamic-configuration order, and send it to processing unit and resolve.
108) data collection and distributing device send to data center with the dynamic-configuration result and show.
Compared with prior art, the present invention has following technique effect:
1, collection of the present invention and distributing device are independently realized the collection and the parsing of sensing data.
2, any customized software need not installed by data center among the present invention, only use browser just can carry out data and show, so complexity and cost is lower.
3, among the present invention, the sensing data of being issued display update automatically on browser.
4, data collection of the present invention and distributing device support the user dynamically to customize through data type, source and the data propelling movement cycle of browser to issue; Thereby (for example satisfy user's use habit better; The data typesetting format) and dynamic need, also avoided the wasting of resources simultaneously.
5, data collection of the present invention and distributing device support be to the dynamic-configuration of sensor node data collection period and image data type, thereby when meeting consumers' demand, saved node energy consumption and communication overhead, avoided the wasting of resources.
6, use data collection of the present invention and distributing device, be easy to build wireless sensor network system more.
Description of drawings
Fig. 1 shows the structure chart of the wireless sensor network system in the 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 the one embodiment of the invention;
Fig. 4 shows the structure chart of the power supply unit in the one embodiment of the invention;
Fig. 5 shows the data collection and the dissemination method overall flow figure of one embodiment of the invention;
Fig. 6 shows the flow chart of the data issuing method for customizing in the one embodiment of the invention;
Fig. 7 shows the flow chart of the data issuing method in the one embodiment of the invention;
Fig. 8 shows the flow chart of the sensor network Dynamic Configuration in the one embodiment of the invention;
Fig. 9 shows the flow chart of the sensor node Dynamic Configuration in the one embodiment of the invention;
Figure 10 shows the sample figure of the configuration webpage composing pattern of the data issuing customization in the one embodiment of the invention;
Figure 11 shows the sample figure of the data issuing webpage composing pattern in the one embodiment of the invention;
Figure 12 shows the sample figure of the sensing net dynamic-configuration webpage composing pattern in the one embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is done description 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 this wireless sensor network data collection and the residing wireless sensor network system of distributing device.As shown in Figure 1, said 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.Communicate through wireless mode between the wireless sensor node 103, with sensor acquisition to the mode of data through multi-hop send to data collection and distributing device 102.Data collection and distributing device 102 receive from the data issuing customized command of data center 101 and the order of sensing net dynamic-configuration on the one hand, and the dynamic-configuration order is sent to wireless sensor node 103; Collect the data of wireless sensor node 103 and filtered data is sent to data center 101 on the one hand in addition, and on browser, show according to the data issuing customized command.The user sets up tcp with data collection with distributing device 102 through the browser of installing in the data center 101 and is connected, and sends the order of data issuing customized command and sensing net dynamic-configuration on the one hand, shows the data that sensor node collects in addition on the one hand.Can communicate through wired or wireless mode between data collection and distributing device 102 and the 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 center communication unit 201 that is connected with processing unit 203 respectively, facing sensing Netcom letter unit 202, memory cell 204 and power supply unit 205.
Wherein, Bidirectional data communication between the browser of the 201 responsible data collections of data-oriented center communication unit and distributing device 102 and data center 101; Can adopt the mode of wired (comprising netting twine, telephone wire etc.) or wireless (comprising GPRS, 3G, WIFI etc.); Can be shelf communication equipment or device, also can be equipment or the device that has solidified the communication technology.Data-oriented center communication unit 201 and processing unit 203 are connected through the signal of telecommunication.
The bidirectional data communication that facing sensing Netcom letter unit 202 is responsible between data collection and distributing device 102 and the wireless sensor node 103; Wirelessly (comprise GPRS to adopt; 3G; WIFI etc.) mode communicates, and can be shelf communication equipment or device, also can be equipment or the device that has solidified the communication technology.Facing sensing Netcom letter unit 202 and processing unit 203 are connected through the signal of telecommunication.
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 center communication unit 201, facing sensing Netcom letter unit 202, power supply unit 204, memory cell 205 interconnect respectively; Be used to receive data issuing customized command and the order of sensing net dynamic-configuration from data-oriented center communication unit 201; After resolving; Generate the data issuing customized file on the one hand; Store memory cell 204 into, on the one hand the order of sensing net dynamic-configuration is generated the sensor network data bag in addition, send to facing sensing Netcom letter unit 202; Processing unit 203 also is used to receive the data from the wireless sensor node 103 of facing sensing Netcom letter unit 202, after resolving, according to the data issuing customized file filtered data is sent to data-oriented center communication unit 201.
Memory cell 204 can be storage mediums such as hard disk, flash chip, SD card, USB device; It is connected through the signal of telecommunication with processing unit 203; Sensing data after the responsible storing and resolving is stored this wireless sensor network data collection and distributing device simultaneously and is moved needed file, comprises operating system, operational factor etc.
Fig. 3 is the structure chart of the processing unit in the one embodiment of the invention, and this processing unit comprises: browser data receiver module 301, and responsible browser with data center 101 connects and receives the data from browser; Sensing net dynamic-configuration command analysis module 302 is used to resolve order of sensing net dynamic-configuration and the parameter from the browser of data center 101; Sensing net packet generation module 303 is used for dynamic-configuration order and parameter after resolving are generated sensing net packet automatically; Sensing net packet sending module 304 is responsible for sensing net packet is sent to wireless sensor node 103; Data issuing customized parameter parsing module 305 is used to resolve order of sensing data publishing of customized and the parameter from the browser of data center 101, and generates the data issuing customized file, is stored in memory cell 204; The sensing netting index is used for the sensing data after resolving and filtering is organized according to specific composing pattern according to release module 306; Browser data sending module 307 is used for showing on browser sending to data center 101 according to the data behind the given row pressing formula tissue; The sensing netting index is used for according to the data issuing customized file according to filtering module 308, the sensing data after resolving is filtered, only publishing of customized file data designated type and Data Source; The sensing netting index is according to parsing module 309, is responsible for the initial data of sensing net is resolved, change into the people can content identified; The sensing netting index is used to receive the initial data that wireless sensor node sends according to collection module 310.
Power supply unit 205 is responsible for energy acquisition and for other each module suitable voltage is provided.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 storage battery 403 with solar panel 401 respectively, is responsible for control charge and discharge process, and monitoring storage battery 403 charged states; Storage battery 403 is connected with solar charging controller 402, is responsible for converting electrical energy into chemical energy and stores, and convert chemical energy into electric energy when being necessary.
According to one embodiment of present invention, also provide a kind of wireless sensor network data to collect and dissemination method based on above-mentioned wireless sensor network system.Fig. 5 shows the overall flow figure of this wireless sensor network data collection and dissemination method, may further comprise the steps:
Step 501: the user is through the browser of data center 101, and type, source and data issuing cycle etc. that data are issued customize, and send to data collection and distributing device 102; In general, the type of data issuing is meant: refer to the type of the physical message that sensor acquisition arrives, like temperature, humidity, illuminance etc.The source of data issuing is meant: the ID that collects the sensor node of a certain categorical data.For example, in practical application, having a plurality of sensor nodes can collecting temperature information, and the user can be according to the distance of node and measured target, and node energy whether factor such as abundance confirms to use the data of which node to carry out data issuing.The all index futures of data issuing: the update cycle of the sensing data of customization on the browser of data center, perhaps refer to: collection and distributing device push the cycle of customization data to the browser of data center.
Step 502: 102 pairs of data publishing of customized orders of data collection and distributing device are resolved, and generate data issuing customized file and storage;
Step 503: data collection and distributing device are resolved the data that sensor node 103 is gathered, and carry out data filter according to the customized content of data issuing, filtered data are sent to the browser of data center 101;
Step 504: the user checks the sensing data of customization through the browser of data center 101.
Above-mentioned steps 501 ~ 502 can be summarized as the customization procedure of data issuing.Step 503 ~ 504 can be summarized as data issuing process (process that has wherein comprised data parsing).
Fig. 6 shows the flow chart of the customization of the data issuing in the one embodiment of the invention, and the customization flow process of this data issuing comprises the following steps:
Step 601: the browser of user through data center 101, be connected to data-oriented center communication unit 201 transmissions of data collection and distributing device 102 and set up packet, set up the connection of tcp between the two.
Step 602: data collection and distributing device 102 are organized (example of the configuration webpage composing pattern of a data publishing of customized is shown in figure 10) with the configuration webpage of data issuing customization according to form and the specific composing pattern of html, show with the browser that the http agreement sends to data center 101 through data-oriented center communication unit 201.
Step 603: the user through browser configuration data publishing of customized parameter and will customize after web data send to the data-oriented center communication unit 201 of data collection and distributing device 102 with the http agreement.
Step 604: the processing unit 203 of data collection and distributing device 102 receives order and the parameter from the data issuing customization of data-oriented center communication unit 201, carries out the parsing of data issuing customized command and parameter.
Step 605: data customization order and parameter after the processing unit 203 of data collection and distributing device 102 will be resolved generate the data issuing customized file and are kept at memory cell 205.
Step 606: the processing unit 203 of data collection and distributing device 102 sends to data-oriented center communication unit 201 with the result of data issuing customization, and the browser that finally sends to data center 101 through the http agreement shows.
Fig. 7 shows the flow chart of the data issuing method in the one embodiment of the invention.
Step 701: the initial data that data collection and distributing device 102 receive from wireless sensor node 103 through facing sensing Netcom letter unit 202.
Step 702: the processing unit 203 of data collection and distributing device 102 is resolved the initial data of sensor network.
Step 703: the processing unit 203 of data collection and distributing device 102 filters the sensing data after resolving according to being stored in the data issuing customized file in the memory cell 205.
Step 704: the processing unit 203 of data collection and distributing device 102 is according to specific composing pattern (example of a data publishing web page composing pattern is shown in figure 11); Sensor network data to after resolving and filtering is organized, and generates the data display web page of html form;
Step 705: the processing unit 203 of data collection and distributing device 102 sends to data-oriented center communication unit 201 with data display web page, and the browser that finally sends to data center 101 through the http agreement shows.
Fig. 8 shows the flow chart of the sensor network Dynamic Configuration in the one embodiment of the invention.
Step 801: the browser of user through data center 101, send to be connected to the data-oriented center communication unit 201 of data collection and distributing device 102 and set up data, foundation tcp connection between the two.
Step 802: data collection and distributing device 102 are organized (example of a sensing net dynamic-configuration webpage composing pattern is shown in figure 12) with the configuration webpage of sensing net dynamic-configuration according to form and the specific composing pattern of html, and show with the browser that the http agreement sends to data center 101 through data-oriented center communication unit 201.
Step 803: the user through browser configuration dynamic-configuration order and parameter and send to the data-oriented center communication unit 201 of data collection and distributing device 102 through the http agreement.In general, the order of dynamic-configuration comprises: the turn-on data collection, close data acquisition, collection period is set.For the turn-on data collection with close data acquisition command, its parameter all is: data type.For collection period order is set, its parameter is: cycle time length, unit can be minute, second or unit At All Other Times.
Step 804: order and parameter that the processing unit 203 of data collection and distributing device 102 receives from the dynamic-configuration of data-oriented center communication unit 201, carry out the parsing of order and parameter.
Step 805: the data after the processing unit 203 of data collection and distributing device 102 will be resolved generate the sensor network data bag automatically, send to facing sensing Netcom letter unit 202.
Step 806: the facing sensing Netcom letter unit 202 of data collection and distributing device 102 sends to wireless sensor node 103 with the sensor network data bag.
Step 807: data collection and distributing device 102 be through the feedback information of facing sensing Netcom letter unit 202 receiving sensor nodes to the dynamic-configuration order, and send it to processing unit 203 and resolve.
Step 808: the processing unit 203 of data collection and distributing device 102 sends to data-oriented center communication unit 201 with the dynamic-configuration result, and the browser that finally sends to data center 101 through the http agreement shows.
Fig. 9 shows the flow chart of the sensor node Dynamic Configuration in the one embodiment of the invention.
Step 901: sensor node 103 receives the order of sensing net dynamic-configuration and the parameter of data collection and distributing device 102 transmissions.
Step 902: sensor node 103 is resolved order of sensing net dynamic-configuration and parameter.
Step 903: sensor node 103 is according to sensing net dynamic-configuration order and parameter dynamic adjusting data collection period and image data type, stops or reseting the data acquisition clock to specific data type.
Step 904: sensor node 103 sends to data collection and distributing device 102 with the feedback information of dynamic-configuration.
In the foregoing description, data collection and the distributing device sensor node of in customization procedure, can getting along well carries out alternately, the customized file that is generated in the customization procedure only be kept at collect and distributing device on get final product, carry out the filtration of sensing data based on customized file.That is to say; In the customization procedure, the sensing net possibly gathered a plurality of physical quantity informations (for example simultaneously collecting temperature and humidity information), only is concerned about one of them physical quantity information (for example temperature information) and the user is current; So; Through customization, collection and distributing device are only issued this physical quantity information (for example temperature information), can avoid unnecessary data transfer overhead (for example transmitting the expense of humidity information) so to a certain extent.Can be stored in data collection and distributing device as required to the unconcerned information of user (for example humidity information) perhaps abandons.Because this situation of only paying close attention to one or minority physical quantity (for example temperature information) possibly only kept the short-term time, therefore, there is no need stop sensor and gather other physical quantity information (for example humidity information) this moment.
In the foregoing description, can in the process of sensing net dynamic-configuration, the carrying out alternately of data collection and distributing device and sensor node.Sensing net dynamic-configuration is applied to following situation: 1) feel no longer need gather a certain physical quantity information (for example temperature information) as the user; 2) still do not open this function when front sensor possesses the ability of gathering a certain physical quantity information (for example temperature information), and the user need to feel observation this physical quantity information (for example temperature information).Under above-mentioned situation,, change the function of sensor acquisition data through dynamic-configuration.
Description according to preamble; Find out easily; Data collection of the present invention and distributing device can support the user dynamically to customize through data type, source and the data propelling movement cycle of browser to issue; Thereby satisfy user's use habit (for example, the data typesetting format) and dynamic need better, also avoided the wasting of resources simultaneously.In addition, data collection of the present invention and distributing device support be to the dynamic-configuration of sensor node data collection period and image data type, thereby when meeting consumers' demand, saved node energy consumption and communication overhead, avoided the wasting of resources.
The professional can also further recognize; The unit and the method step of each example of describing in conjunction with embodiment disclosed herein; Can realize with electronic hardware, software or the combination of the two; For the interchangeability of hardware and software clearly is described, the composition and the method step of each example described prevailingly according to function in above-mentioned explanation.These functions still are that software mode is carried out with hardware actually, depend on the application-specific and the design constraint of technical scheme.The professional and technical personnel can use different techniques, method to realize described function and method to each certain applications, but this realization should not thought and exceeds scope of the present invention.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from spirit of the present invention or scope in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. a wireless sensor network data is collected and distributing device, comprising: processing unit and the data-oriented center communication unit, memory cell and the power supply unit that are connected with said processing unit; Data-oriented center communication unit is used for the bidirectional data communication between said wireless sensor network data collection and distributing device and the data center; Processing unit is used to receive the data issuing customized command from data-oriented center communication unit, after resolving, generates the data issuing customized file, stores said memory cell into; Said processing unit also is used to receive the data from the wireless sensor node of facing sensing Netcom letter unit, after resolving, according to the data issuing customized file filtered data is sent to the communication unit to data center.
2. wireless sensor network data according to claim 1 is collected and distributing device; It is characterized in that; Said wireless sensor network data is collected with distributing device and is comprised that also the facing sensing Netcom that is connected with said processing unit believes the unit, and said facing sensing Netcom believes that the unit is used for the bidirectional data communication between said wireless sensor network data collection and distributing device and the wireless sensor node; Said processing unit also is used to receive the sensing net dynamic-configuration order from data-oriented center communication unit, and after resolving, order generates the sensor network data bag according to sensing net dynamic-configuration, sends to facing sensing Netcom letter unit.
3. wireless sensor network data according to claim 2 is collected and distributing device; It is characterized in that said data-oriented center communication unit is used for the bidirectional data communication between the browser of said wireless sensor network data collection and distributing device and data center.
4. wireless sensor network data according to claim 3 is collected and distributing device; It is characterized in that; Said processing unit also is used to receive the feedback information of the transducer dynamic-configuration being ordered from the sensor node of facing sensing Netcom letter unit, offers data-oriented center communication unit after feedback information is resolved and shows with the browser that sends it to data center.
5. wireless sensor network system; Comprise: data center, wireless sensor network data collection and distributing device and wireless sensor node, said wireless sensor network data are collected and distributing device adopts claim 1,2,3 or 4 described wireless sensor network datas to collect and distributing device.
6. the wireless sensor network data based on the described wireless sensor network system of claim 5 is collected and dissemination method, comprises the following steps:
1) user is through data center, and type, source and release cycle that data are issued customize, and send to data collection and distributing device;
2) data collection and distributing device are resolved order of data publishing of customized and parameter;
3) data collection and distributing device are resolved the data that transducer is gathered, and carry out data filter according to the customized content of data issuing, and filtered data is sent to data center;
4) user checks the sensing data of customization through data center.
7. wireless sensor network data according to claim 6 is collected and dissemination method, it is characterized in that said step 1) comprises the following steps:
11) user is through the browser of data center, sends to be connected to the data-oriented center of data collection and distributing device communication unit and sets up packet, sets up the connection of tcp between the two;
12) data collection and distributing device show the browser that the configuration webpage of data issuing customization sends to data center;
13) user through browser configuration data publishing of customized order and parameter and will customize after web data send to the data-oriented center communication unit of data collection and distributing device.
8. wireless sensor network data according to claim 6 is collected and dissemination method, it is characterized in that said step 2) comprise the following steps:
21) processing unit of data collection and distributing device receives order and the parameter from the data issuing customization of data-oriented center communication unit, carries out the parsing of data issuing customized command and parameter;
22) data customization order and parameter after the processing unit of data collection and distributing device will be resolved generate the data issuing customized file and are kept at memory cell;
23) processing unit of data collection and distributing device sends to data-oriented center communication unit with the result of data issuing customization, and the browser that sends to data center shows.
9. wireless sensor network data according to claim 6 is collected and dissemination method, it is characterized in that said step 3) comprises the following steps:
31) data collection and distributing device receive the initial data from wireless sensor node through facing sensing Netcom letter unit;
32) processing unit of data collection and distributing device is resolved the initial data of sensor network;
33) processing unit of data collection and distributing device filters the sensing data after resolving according to being stored in the data issuing customized file in the memory cell;
34) processing unit of data collection and distributing device is organized the sensor network data after resolving and filtering, and generates data display web page;
35) processing unit of data collection and distributing device sends to data-oriented center communication unit with data display web page, and the browser that finally sends to data center shows.
10. the wireless sensor network Dynamic Configuration based on the described wireless sensor network system of claim 2 comprises the following steps:
101) user sends to be connected with distributing device to data collection through data center and sets up data, and the tcp that sets up between the two connects.
102) data collection and distributing device send to data center with the configuration webpage of sensing net dynamic-configuration and show;
103) user disposes the order and the parameter of dynamic-configuration and sends to data collection and distributing device through browser;
104) data collection and distributing device receive order and the parameter from the dynamic-configuration of data center, carry out the parsing of order and parameter;
105) data after the processing unit of data collection and distributing device will be resolved generate the sensor network data bag automatically, send to facing sensing Netcom letter unit;
106) the facing sensing Netcom of data collection and distributing device letter unit sends to wireless sensor node with the sensor network data bag;
107) data collection and distributing device receiving sensor node be to the feedback information of dynamic-configuration order, and send it to processing unit and resolve.
108) data collection and distributing device send to data center with the dynamic-configuration result and show.
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