CN204044102U - A kind of natural gas leaking monitoring system based on wireless sensor network - Google Patents
A kind of natural gas leaking monitoring system based on wireless sensor network Download PDFInfo
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- CN204044102U CN204044102U CN201420472258.7U CN201420472258U CN204044102U CN 204044102 U CN204044102 U CN 204044102U CN 201420472258 U CN201420472258 U CN 201420472258U CN 204044102 U CN204044102 U CN 204044102U
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Abstract
The utility model relates to radio communication, information acquisition and process, wireless sensor network, monitoring system, particularly relates to a kind of natural gas leaking monitoring system based on wireless sensor network.The technical matters solved is: existing rock gas monitoring device, and transmission is inconvenient, fast, reliability is low, can not in time feedback monitoring result to user.Based on a natural gas leaking monitoring system for wireless sensor network, comprise wireless sensing module, measurement data and convert measured data to exportable signal; The data collected are transferred to server analysis by ZigBee module; Server by by the converted information of sensor, and receives the data that wireless transport module transmission comes; Display terminal connects described server.Beneficial effect is: by the combination of Radio Transmission Technology and radio sensing network, realize the monitoring of indoor concentration of natural gas; WCDMA module sends to user to realize reporting to the police by note indoor concentration of natural gas value in time.
Description
Technical field
The utility model relates to radio communication, information acquisition and process, wireless sensor network, and monitoring system, particularly relates to a kind of natural gas leaking monitoring system based on wireless sensor network.
Background technology
Wireless sensor network is the self-organizing network formed in wireless multi-hop mode by a large amount of intelligent miniature sensor node, and it combines sensor technology, embedded technology, Modern wireless communication technology and distributed information processing.Have broad application prospects in fields such as military affairs, industry, agricultural, medical treatment, environmental monitoring, danger warnings.Can to be cooperated with each other perception and gather the information of various monitored target by all kinds of integrated microsensor, these information duchy wireless modes are sent to terminal, thus enable people to the information of monitored object, and such as dangerous have certain understanding.Wireless sensor network is considered to have an immense impact on one of the technology of power to 21 century.The node of wireless sensor network mainly comprises sensor assembly, central microprocessor module and radio receiving transmitting module, and its principle as shown in Figure 3.
ZigBee is based upon the emerging wireless networks technology on IEEE802.15.4 protocol specification basis, compared with the correlation technique such as Bluetooth, Wi-Fi, ZigBee-network has low-power consumption, low cost, low rate, support great deal of nodes, supports multiple network topology, low complex degree, fast, the advantage such as reliable, safe.Be more suitable in low-speed wireless sensor network (WSN) the requirement interconnected between each node.Zigbee protocol is respectively Physical layer (PHY), MAC layer (MAC), transport layer (TL), network layer (NWK), application layer (APL) etc. from top to bottom.Wherein Physical layer and MAC layer follow the regulation of IEEE 802.15.4 standard.The principal feature of ZigBee-network is low cost, low-power consumption, low complex degree, support great deal of nodes, support multiple network topological structure, and whole inter-net communication is quick, reliable, safety.Major equipment in ZigBee-network can be divided into telegon (Coordinator), aggregation node (Router), sensor node (EndDevice) Three role.In radio sensing network, the Main Function of telegon has been the selection of initial channel, to network configuration initialization, accepts adding of child node; The Main Function of router is the forwarding participating in data, by the coverage allowing other node to add to come extended network; Terminal primary responsibility and router connect, and the data collected are sent to focal point.In route, ZigBee supports the route of the mesh network that reliability is very high, is applicable to the network of wide range, and supports multicast and broadcast characteristic.
Summary of the invention
The technical problems to be solved in the utility model is: existing rock gas monitoring, warning device, often transmit not easily and fast, and reliability is low, monitoring result can not be issued user in time when monitoring.
The purpose of this utility model is to provide a kind of low cost, structure is simple, easy to operate, is quick on the draw when natural gas leaking, the device that can monitor in time and report to the police.This object realizes in the following way:
Based on a natural gas leaking monitoring system for wireless sensor network, comprise wireless sensing module, ZigBee wireless transport module, server, wireless sensing module, convert exportable signal to for measurement data and by measured data; ZigBee wireless transport module, for being transferred to server analysis by the data collected; Server, for by by the converted information of sensor, and receives the data that wireless transport module transmission comes; Also comprise display terminal, described display terminal connects described server; Sensor converts measured data to exportable signal, by ZigBee wireless transport module, the data collected is transferred to server analysis, and then the net result after analysis is presented on display terminal by server.Realized the monitoring of natural gas leaking by the wireless sensing module that is connected successively, ZigBee wireless transport module, server, shown the value monitored by display terminal.
Further, also comprise a WCDMA module, server and described wireless sensor module described in described WCDMA model calling.WCDMA module is used for realizing carrying out alert notice by the transmission of note form to user.
Further, described ZigBee wireless transport module is CC2430.
Further, described ZigBee wireless transport module master control borad is made up of JN5148 wireless microcontroller, SST25VF040 serial, Flash storer, FT232RL serial port chip basic interface and extension socket.
Further, described wireless sensing module comprises sensor and wireless data collection device.Sensor, for gathering the concentration of natural gas in indoor environment, is transferred out by wireless data collection device.
Further, described sensor adopts CO/CF-1000 sensor, described wireless data collection device employing SZ06 series Z-BEE wireless data collection device.
Further, also comprise an alarm module, described alarm module connects described sensor assembly.Described alarm module is used for alarm of sounding.
The beneficial effects of the utility model are:
(1) by the combination of Radio Transmission Technology and radio sensing network, the monitoring of indoor concentration of natural gas is realized;
(2) user is sent to realize reporting to the police in time by note indoor concentration of natural gas value by WCDMA module.
Accompanying drawing explanation
Fig. 1 is the structural representation of native system;
Fig. 2 is ZigBee master control borad hardware configuration schematic diagram;
Fig. 3 is radio sensing network node schematic diagram;
Fig. 4 is radio sensing network node structural drawing.
Embodiment
As shown in Figure 1, core of the present utility model is the design of the wireless senser warning system of ZigBee technology, utilize ZigBee technology whether to leak to monitor indoor rock gas, utilize it to the monitoring of indoor concentration of natural gas, just send alerting signal to user once leakage.Shown sensor assembly, ZigBee wireless transport module, server, display terminal are connected successively, WCDMA model calling sensor assembly and ZigBee wireless transport module.The data collected are transferred to server analysis by ZigBee wireless transport module by sensor assembly image data, and be then connected with WCDMA net, during connection, telegon just serves as base sites.Wireless transport module uses CC2430 module, and server is by by the converted information of sensor, and by the data receiver that the transmission of ZigBee wireless-transmission network comes, last result is presented on display terminal.Also can realize carrying out alert notice by the transmission of note form to user by WCDMA module.When sensor captures the gas concentration of rock gas, it is converted to electric current in proportion, and then when being converted to input service voltage, also control WCDMA module carries out the transmission of note.
Particularly, the structure of each module and principle as follows:
ZigBee wireless transport module
Master control borad is made up of JN5148 wireless microcontroller, SST25VF040 serial, Flash storer, FT232RL serial port chip basic interface and extension socket, and its hardware configuration as shown in Figure 2.
Wireless sensor module designs
Be designed to adopt CO/CF-1000 sensor, use SZ06 series Z-BEE wireless data collection device.Although different for other designs of applying interior joint of design and sensor of sensor node, its basic structure or the same.The typical hardware configuration of node as shown in Figure 4.Mainly comprise power manager circuit, CO/CF-1000 sensor, signal conditioning circuit, AD converter, storer, microprocessor etc.Node adopts powered battery, once power depletion, node just can not work, and also just can not complete the conversion to information.So in the process of design, adopt low energy-consumption electronic device.
WCDMA modular design
The gordian technique of WCDMA module comprises radio frequency and band processing techniques, specifically comprises radio frequency, if digitization process, and the gordian technique such as RAKE receiver, channel coding/decoding, power control and Multiuser Detection, smart antenna etc. strengthen technology.Radio frequency part is traditional model configuration, realizes radio frequency and intermediate-freuqncy signal conversion.Radio frequency data feedback channel part mainly comprises automatic growth control, receiving filter and low-converter.The down going channel part of radio frequency mainly comprises secondary up-conversion, wide-band linearity power amplifier and radio-frequency transmissions wave filter.Intermediate-frequency section mainly comprises up antialiasing filter, low-converter, ADC and descending intermediate frequency smoothing filter, upconverter and DAC.RAKE receiver, it is the diversity receiver of the classics aiming at cdma system design.In order to reduce power spreading signal and solve signal inevitable fading problem in wireless propagation environment, encoding and decoding technique will be used in wcdma.General use Turbo code.Multiuser detection disturbs improved system performance by removing in community thousand, increases power system capacity.It is utilize adaptive beamforming technique that smart antenna strengthens technology, improves the directional diagram gain of user direction of arrival.
Server
The information come by sensor collection will be passed through data management software by server, can carry out data analysis, for user provides exercisable interface, and can access ZigBee wireless network, detect the data of each measured node.The application software on PC platform can be utilized in this modular design to come for data analysis.
The use procedure of native system is as follows:
By the building of ZigBee wireless sensor network, with being communicated with of WCDMA network, when after everything in readiness, with regard to starting, the natural gas temperature of indoor is detected.If Sensor monitoring to concentration of natural gas exceed preset range, start ZigBee Information Monitoring, preserve data, and be transferred to server, send information by WCDMA module to user simultaneously, and send warning; If Sensor monitoring to concentration of natural gas do not exceed default concentration range, then proceed monitoring.
Embodiment 2
The difference part of the present embodiment and previous embodiment be if Sensor monitoring to concentration of natural gas exceed preset range, start ZigBee Information Monitoring, preserve data, and be transferred to server, send information by WCDMA module to user simultaneously, and send warning; If Sensor monitoring to concentration of natural gas do not exceed default concentration range, then proceed monitoring.Server may be displayed in terminal by after the data analysis received, and sends warning note by WCDMA net to user, and user processes the situation of generation in time according to alarm, loss is reduced to minimum.
Claims (7)
1., based on a natural gas leaking monitoring system for wireless sensor network, comprise wireless sensing module, ZigBee wireless transport module, server, it is characterized in that:
Wireless sensing module, converts exportable signal to for measurement data and by measured data;
ZigBee wireless transport module, for being transferred to server analysis by the data collected;
Server, for by by the converted information of sensor, and receives the data that wireless-transmission network transmission comes;
Also comprise display terminal, described display terminal connects described server;
Sensor converts measured data to exportable signal, by ZigBee wireless transport module, the data collected is transferred to server analysis, and then the net result after analysis is presented on display terminal by server.
2. the natural gas leaking monitoring system based on wireless sensor network according to claim 1, is characterized in that: also comprise a WCDMA module, server and described wireless sensor module described in described WCDMA model calling.
3. the natural gas leaking monitoring system based on wireless sensor network according to claim 1, is characterized in that: described ZigBee wireless transport module is CC2430.
4. the natural gas leaking monitoring system based on wireless sensor network according to claim 1, is characterized in that: described ZigBee wireless transport module master control borad is made up of JN5148 wireless microcontroller, SST25VF040 serial, Flash storer, FT232RL serial port chip basic interface and extension socket.
5. the natural gas leaking monitoring system based on wireless sensor network according to claim 1, is characterized in that: described wireless sensing module comprises sensor and wireless data collection device.
6. the natural gas leaking monitoring system based on wireless sensor network according to claim 5, it is characterized in that: described sensor adopts CO/CF-1000 sensor, described wireless data collection device adopts SZ06 series Z-BEE wireless data collection device.
7. the natural gas leaking monitoring system based on wireless sensor network according to claim 1, is characterized in that: also comprise an alarm module, described alarm module connects described sensor assembly.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10218791B2 (en) | 2015-12-29 | 2019-02-26 | General Electric Company | Systems and methods for networked sensor nodes |
| CN113848015A (en) * | 2021-09-27 | 2021-12-28 | 山东理工大学 | ZigBee-based pressure sensor online calibration system |
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2014
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10218791B2 (en) | 2015-12-29 | 2019-02-26 | General Electric Company | Systems and methods for networked sensor nodes |
| US10749961B2 (en) | 2015-12-29 | 2020-08-18 | General Electric Company | Systems and methods for networked sensor nodes |
| CN113848015A (en) * | 2021-09-27 | 2021-12-28 | 山东理工大学 | ZigBee-based pressure sensor online calibration system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20170821 |
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| CF01 | Termination of patent right due to non-payment of annual fee |