CN202385306U - Mobile access terminal for wireless sensor network - Google Patents
Mobile access terminal for wireless sensor network Download PDFInfo
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- CN202385306U CN202385306U CN2011205199333U CN201120519933U CN202385306U CN 202385306 U CN202385306 U CN 202385306U CN 2011205199333 U CN2011205199333 U CN 2011205199333U CN 201120519933 U CN201120519933 U CN 201120519933U CN 202385306 U CN202385306 U CN 202385306U
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Abstract
The utility model provides a mobile access terminal of a wireless sensor network, comprising a control module, and one or more of a first sensing network frequency communication module, a second sensing network frequency communication module, a wired access module, a first wireless access module and a second wireless access module which are respectively connected with the control module, wherein the control module is connected with the first sensing network frequency communication module through a serial line, is connected with the second sensing network frequency communication module through a serial external interface line, is connected with the wired access module through a system bus, and is respectively connected with the first wireless access module and the second wireless access module through two universal serial bus (USB) principal lines. According to the terminal, the data of the wireless sensing network under different frequency can be monitored, and an access network in the optimal method can be automatically selected according to the changes of the environment, so that the completeness of the data is ensured.
Description
Technical field
The utility model relates to radio communication and information dissemination technology, relates in particular to be used for mobile the accessing terminal and system that wireless sensor network (hereinafter to be referred as wireless sense network) carries out the access of wireless sense network data.
Background technology
Existing mobile accessing terminal provides network access facility; The most basic data forwarding function of main realization; Comprise from wireless sense network receiving data and being forwarded to the remote data center (for example remote server or remote monitoring platform etc.) of the Internet, thereby realize data monitoring wireless sense network.
Existing some problems below the existence that access terminal that move:
(1) operating frequency of monitored data is single and versatility is poor
Usually the wireless sense network operating frequency is mainly by two kinds of 2.4GHz and 433MHz.Wherein, 2.4GHz has transmitting range and far reaches the big characteristics of coverage; 433MHz has stronger diffracting power and penetration capacity.
But existing mobile accessing terminal only can be accepted wherein a kind of data of frequency usually, thereby versatility is relatively poor.If when in a sensor network, having the node of above-mentioned two kinds of operating frequencies simultaneously, need dispose the forward relay equipment of 433MHz or 2.4GHz according to node distribution, could accept the data of whole nodes in the wireless sense network.
(2) single interconnection network access mode is difficult to guarantee the integrality of data
Existing mobile accessing terminal has only a kind of interconnection network access mode mostly, like Ethernet, and GPRS etc.When the on-premise network access way, need select relevant terminal to carry out network insertion according to actual conditions.Like this, the access way that when environment changes, can't upgrade in time can cause losing of node data thus.
(3) single data forwarding function can't adapt to the development of modern network
Existing moving accesses terminal and can only the data that receive directly be transmitted, and can not carry out other any preliminary treatment.When the sensor node in the wireless transmission net is a lot, can cause great pressure to remote server, can seriously reduce the real-time of data; And in most time range, obvious variation can not take place in the data monitored of sensor node, and the variation of rapid speed often means that data can occur reports to the police or hardware anomalies.So traditional mobile accessing terminal can not be carried out pretreated data forwarding mode and tended to transmit a large amount of useless redundant datas.
Problem to above prior art existence; Need provide a kind of is used for the mobile of wireless sensor network and accesses terminal; The data of the multiple frequency of monitoring wireless sensing net simultaneously; And have plurality of access modes, can select the optimal network access way automatically according to the variation of environment, thereby guarantee the integrality of data; Multinomial Based Intelligent Control functions such as data filter, warning are provided simultaneously, thereby can reduce the pressure of uploading and reduce remote equipment of redundant data effectively.
The utility model content
The utility model technical problem to be solved provides and a kind ofly is used for the mobile of wireless sensor network and accesses terminal and system, simultaneously the data of the multiple frequency of monitoring wireless sensing net.
In order to solve the problems of the technologies described above; The utility model provides a kind of and has been used for the mobile of wireless sensor network and accesses terminal; The sensing net first that comprises control module and be connected with this control module respectively is communication module and the sensing net second frequency communication module frequently, wherein:
Control module connects sensing net first communication module frequently through Serial Port Line, connects sensing net second communication module frequently through the Serial Peripheral Interface (SPI) line.
Further, this moves to access terminal and also comprises one or more in wired AM access module, first radio access module and first radio access module, wherein:
Control module connects wired AM access module through system bus, connects first radio access module and first radio access module respectively through two USB main lines.
Further,
Serial Port Line comprise control module to sensing net first frequently communication module send control command the UART_TX line and from sensing net first frequently communication module receive the UART_RX line of data;
The Serial Peripheral Interface (SPI) line comprise said control module to sensing net second frequently communication module send control command the SPI_MISO line, from sensing net second frequently communication module receive the SPI_MISI line of data, the clock line SPI_CLK and the module selection wire SPI_CS of input clock signal.
Further,
This system bus comprises that control module connects the data wire of wired AM access module, address wire, read/write enable line and chip select line;
This USB main line comprises that control module connects first radio access module or the positive and negative end line of the first radio access module USB.
Further,
Control module is the module based on the microprocessor of ARM;
Sensing net first communication module frequently is that working frequency range is the communication module of 2.4GHz;
Sensing net second communication module frequently is that working frequency range is the communication module of 433MHz.
Further,
Wired AM access module is the Internet local area network (LAN) or wide area network AM access module;
First radio access module is a wireless local area network access module;
Second radio access module is 3G (Third Generation) Moblie net or the 4th third-generation mobile communication net AM access module.
The utility model makes this terminal can listen to the data under the wireless sense network different frequency according to operating frequency design corresponding communication module in mobile accessing terminal of wireless sense network.Through the plurality of access modes that provides for the terminal, make the terminal to select the optimum way access network automatically, thereby guarantee the integrality of data according to the variation of environment, can reduce the software maintenance cost greatly simultaneously.Through multinomial functions such as comprising data filter, data warning and Based Intelligent Control is provided for the terminal is extra; Make the terminal can reduce uploading of redundant data effectively; Reduce the pressure of far-end server, thereby possibility is provided for the terminal provides further intelligent algorithm.
Description of drawings
Fig. 1 is the structured flowchart of the connecting system embodiment that is used for wireless sensor network of the utility model;
Fig. 2 is the structured flowchart of the mobile embodiment of accessing terminal that is used for wireless sensor network of the utility model;
Fig. 3 is the circuit connecting line figure of the mobile embodiment that accesses terminal shown in Figure 2.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment the technical scheme of the utility model is at length set forth.Should be appreciated that the embodiment that below gives an example only is used for explanation and explains the utility model, and does not constitute the restriction to the utility model technical scheme.
As shown in Figure 1, represented the structure of the connecting system embodiment that is used for wireless sensor network of the utility model, comprise a plurality of sensor nodes in the wireless sensor network (1～n), move and access terminal and teledata equipment, wherein:
A plurality of sensor nodes (1～n), be used for measured parameter, and convert corresponding data transmission to according to one or more operating frequencies of wireless sense network through this node of sensor in real time monitoring that is installed in this node;
Mobile accessing terminal is used for the data that one or more operating frequencies are monitored and the receiving sensor node is launched with wireless sense network.
Said system embodiment also comprises, teledata equipment, wherein:
Moving accesses terminal also selects any one access network in wired access or the wireless access to transmit the data that receive according to the variation of environment;
Teledata equipment is used for receiving the data that move the forwarding that accesses terminal with any one access network of wired access or wireless access.
In said system embodiment, when the sensor node quantity in the wireless sense network greatly when surpassing the mobile covering power that accesses terminal, said system embodiment also comprises one or more trunkings, wherein:
Each trunking insert move access terminal and a plurality of sensor nodes that this terminal can cover between, be used for the data of launching, and be transmitted to mobile accessing terminal with the one or more operating frequencies monitorings and the receiving sensor node of wireless sense network.
In said system embodiment; The structural table of the mobile embodiment of accessing terminal that is used for wireless sensor network of the utility model is shown in Fig. 2; Comprise: control module and the sensing net first frequency communication module that is connected with this control module respectively, sensing net second be communication module, wired AM access module, first radio access module and second radio access module frequently, wherein:
Control module; Be used for sending the reception data command to sensing net first frequency communication module and/or the sensing net second frequency communication module, and select the one or more transmission data forwarding orders in wired AM access module, first radio access module and second radio access module according to the variation of environment according to the operating frequency of wireless sense network;
Sensing net first is communication module frequently, is used for monitoring and receive the data from the wireless sensor node emission of wireless sense network with the 2.4GHz frequency range according to the reception data command of control module;
Sensing net second is communication module frequently, is used for monitoring and receive the data from the wireless sensor node emission of wireless sense network with the 433MHz frequency range according to the reception data command of control module;
Wired AM access module is the Internet local area network (LAN) or wide area network AM access module, is used for ordering the data of transmitting sensing net first frequency communication module or sensing net first communication module reception frequently through netting twine according to the data forwarding of control module;
First radio access module is wireless lan (wlan) AM access module, and the data forwarding that is used for passing through WLAN sensing net first frequency communication module or sensing net first communication module reception frequently according to the data forwarding order of control module is to the Internet;
Second radio access module; Be 3G (Third Generation) Moblie net (3G) or the 4th third-generation mobile communication net (4G) AM access module, be used for according to the order of the data forwarding of control module through 3G or 4G with sensing net first frequently communication module or sensing net first frequently the data forwarding that receives of communication module to the Internet.
In said system embodiment,
Also communication module, the sensing net second frequency communication module carry out province's power consumption functional configuration to control module frequently to sensing net first; Open this function according to configuration file as if decision; The frequency band signals of timing scan wireless sense network then; When scanning corresponding band when data are arranged, then be provided with corresponding sensing net first frequently communication module or sensing net second frequently communication module be state of activation (alive), otherwise be set to resting state (down);
Sensing net first frequency communication module or the sensing net second frequency communication module monitor and receive the data of corresponding band when the Be Controlled module is set to state of activation, when the Be Controlled module is set to resting state, stop to monitor and receiving data.
In said system embodiment,
Control module is also carried out the data filter functional configuration to the data that receive, if this function is opened in decision, then will confirm that normal Data Control is forwarded to the Internet through filtering according to configuration file; To confirming abnormal data through filtering; To sensing net first frequently communication module or sensing net second frequently communication module send the indication that receives data again, with first frequently communication module or sensing net second frequently the Data Control returned of communication module be forwarded to the Internet;
Sensing net first frequency communication module or sensing net second communication module root of hair frequently receive the data of corresponding band again according to the indication of control module, and return to control module.
In said system embodiment,
Control module is also carried out the flow control function configuration to the data that receive; Open this function according to configuration file as if decision; Then will analyze and handle, if confirm data effectively then control is forwarded to the Internet, if confirm that data are invalid then directly abandon the packet of all receptions.
In said system embodiment,
Control module is also accepted host computer (such as Terminal Server Client) Based Intelligent Control functional configuration; Open this function according to configuration file as if decision; Then accept the control command collection of host computer, corresponding sensor node is controlled through this instruction set control first frequency communication module or the sensing net second frequency communication module.
Traditional method is that host computer passes through gateway directly to the sensor node transmitting control commands.Though this kind way is directly simple, efficient is very low, and real-time is also poor.The utility model can reduce the mutual of down order data frequent between host computer and sensor node and mobile the accessing terminal through the configuration of above-mentioned Based Intelligent Control function, and traditional method makes efficient and real-time all increase relatively.
In said system embodiment,
Control module is also carried out data warning functional configuration to this terminal; Open this function according to configuration file as if decision; Then detect these terminal self-operating data (like the data such as ambient temperature, memory usage of operation), send alarm signal to host computer when detecting service data when unusual, the prompting host computer is operated accordingly; Avoiding this terminal the deadlock situation to occur, and when this situation occurring, in time restarted.
In said system embodiment,
Control module is based on microprocessor or based on the control module of microcontroller, for example is the processor module based on ARM;
Teledata equipment is remote server or remote monitoring platform.
The physical circuit wire list of the mobile embodiment of accessing terminal that is used for wireless sensor network shown in Figure 2 is shown in Fig. 3, wherein:
Control module connects sensing net first communication module frequently through Serial Port Line; Through Serial Peripheral Interface (SPI) (SPI; Serial Peripheral Interface) line connects sensing net second communication module frequently; Connect wired AM access module through system bus, connect first radio access module and first radio access module respectively through two USB main lines.
This control module specifically is the module that adopts based on the microprocessor (AT91SAM9261) of ARM, Serial Port Line comprise to sensing net first frequently communication module send control command the UART_TX line and from sensing net first frequently communication module receive the UART_RX line of data; The SPI line comprise to sensing net second frequently communication module send control command the SPI_MISO line, from sensing net second frequently communication module receive the SPI_MISI line of data, the clock line SPI_CLK and the module selection wire SPI_CS of input clock signal; System bus comprises data wire, address wire, read/write enable line and chip select line; The USB main line comprises the positive and negative end line USB_D+ of USB, USB_D-.
To those skilled in the art; After having understood the utility model content and principle; Can be under the situation of principle that does not deviate from the utility model and scope; Carry out various corrections and change on form and the details according to the method for the utility model, but these are based on the correction of the utility model with change still within the claim protection range of the utility model.
Claims (6)
1. one kind is used for the mobile of wireless sensor network and accesses terminal, and it is characterized in that, comprises control module and the sensing net first that is connected with this control module respectively communication module and the sensing net second frequency communication module frequently, wherein:
Control module connects sensing net first communication module frequently through Serial Port Line, connects sensing net second communication module frequently through the Serial Peripheral Interface (SPI) line.
2. access terminal according to described move of claim 1, it is characterized in that, also to comprise one or more in wired AM access module, first radio access module and first radio access module, wherein:
Said control module connects wired AM access module through system bus, connects first radio access module and first radio access module respectively through two USB main lines.
3. access terminal according to described the moving of claim 1, it is characterized in that,
Said Serial Port Line comprise said control module to sensing net first frequently communication module send control command the UART_TX line and from sensing net first frequently communication module receive the UART_RX line of data;
Said Serial Peripheral Interface (SPI) line comprise said control module to sensing net second frequently communication module send control command the SPI_MISO line, from sensing net second frequently communication module receive the SPI_MISI line of data, the clock line SPI_CLK and the module selection wire SPI_CS of input clock signal.
4. access terminal according to described the moving of claim 2, it is characterized in that,
Said system bus comprises that said control module connects the data wire of said wired AM access module, address wire, read/write enable line and chip select line;
Said USB main line comprises that said control module connects said first radio access module or the positive and negative end line of the first radio access module USB.
5. access terminal according to claim 1 or 4 described moving, it is characterized in that,
Said control module is the module based on the microprocessor of ARM;
Said sensing net first communication module frequently is that working frequency range is the communication module of 2.4GHz;
Said sensing net second communication module frequently is that working frequency range is the communication module of 433MHz.
6. access terminal according to each described moving of claim 2 to 4, it is characterized in that,
Said wired AM access module is the Internet local area network (LAN) or wide area network AM access module;
First radio access module is a wireless local area network access module;
Second radio access module is 3G (Third Generation) Moblie net or the 4th third-generation mobile communication net AM access module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205199333U CN202385306U (en) | 2011-12-13 | 2011-12-13 | Mobile access terminal for wireless sensor network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205199333U CN202385306U (en) | 2011-12-13 | 2011-12-13 | Mobile access terminal for wireless sensor network |
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| Publication Number | Publication Date |
|---|---|
| CN202385306U true CN202385306U (en) | 2012-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011205199333U Expired - Lifetime CN202385306U (en) | 2011-12-13 | 2011-12-13 | Mobile access terminal for wireless sensor network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103442460A (en) * | 2013-09-10 | 2013-12-11 | 深圳市双赢伟业科技股份有限公司 | Wireless network access device |
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2011
- 2011-12-13 CN CN2011205199333U patent/CN202385306U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103442460A (en) * | 2013-09-10 | 2013-12-11 | 深圳市双赢伟业科技股份有限公司 | Wireless network access device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING TIMELOIT TECHNOLOGY CO., LTD. Free format text: FORMER NAME: BEIJING LOIT TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100096 Beijing City, Haidian District Xisanqi building materials City Road No. 18 building 4 layer Bestpower Patentee after: Beijing times Polytron Technologies Inc Address before: 100096 Beijing City, Haidian District Xisanqi building materials City Road No. 18 building 4 layer Bestpower Patentee before: Beijing LOIT Technology Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120815 |