CN102215603A - Acoustic array sensor network system for positioning explosion point - Google Patents
Acoustic array sensor network system for positioning explosion point Download PDFInfo
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- CN102215603A CN102215603A CN2011101453698A CN201110145369A CN102215603A CN 102215603 A CN102215603 A CN 102215603A CN 2011101453698 A CN2011101453698 A CN 2011101453698A CN 201110145369 A CN201110145369 A CN 201110145369A CN 102215603 A CN102215603 A CN 102215603A
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Abstract
The invention relates to an acoustic array network system for positioning an explosion point, which comprises at least two acoustic array sensor nodes. The acoustic array sensor nodes are placed near a container possibly exploding and form a self-organized multi-hop network; the acoustic array sensor nodes are used for acquiring the azimuth information of the explosion point and sending the azimuth information to a monitoring terminal; and the monitoring terminal fuses the received data from each acoustic array sensor node to obtain the position information of the explosion point. The acoustic array network system provided by the invention can be used for quickly detecting and positioning the explosion point.
Description
Technical field
The present invention relates to the monitoring technique field in the inflammable and explosive Production Regional, particularly relate to a kind of acoustic matrix sensing net system that is used for the demolition point location of suitable petrochemical industry campus environment.
Background technology
At present, in the industrial park of domestic and international many petroleum chemical enterprises, Production Regional such as inflammable and explosive all lacks certain safety intelligence monitoring and controlling measure, when somewhere in this zone since thunderbolt or accidental cause such as operate miss when explosion caused emergency response centers can not in time find and remedy, so that cause the chain explosion that periphery is more serious, cause more serious economy loss and casualties.
Because the possible cause that blast takes place has a lot,, thunderbolt too high such as device temperature, spark etc. all might set off an explosion, and first fire point of accident in time is not found, and has brought very big difficulty to the investigation of later stage accident cause.In order to improve the production security of petroleum chemical enterprise, the petrochemical industry garden must need to set up the perfect command system towards demolition point fast detecting and location of a cover.
Summary of the invention
Technical problem to be solved by this invention provides a kind of acoustic matrix sensing net system that is used for the demolition point location, can be to location, demolition point fast detecting ground.
The technical solution adopted for the present invention to solve the technical problems is: a kind of acoustic matrix sensing net system that is used for the demolition point location is provided, comprise at least two acoustic matrix sensor nodes, described acoustic matrix sensor node is placed near the container that may explode, and forms the self-organizing multihop network; Described acoustic matrix sensor node is used to obtain the azimuth information of demolition point, and azimuth information is sent to monitor terminal; Described monitor terminal obtains the demolition point positional information according to each acoustic matrix sensor node data fusion of receiving.
Described all acoustic matrix sensor nodes are reciprocity.
Described acoustic matrix sensor node comprises acoustic matrix sensor assembly, control module, acquisition module, processing module and radio-frequency module; Described acoustic matrix sensor assembly is used for acoustic array data and voice signal are carried out front-end processing; Described control module is used to control described acoustic matrix sensor assembly, acquisition module, processing module and radio-frequency module; Described acquisition module is used to gather the acoustic array data; Described processing module is used for the acoustic array data that collect are handled, and obtains the azimuth information of demolition point; Described radio-frequency module is used for intercoming mutually with other acoustic matrix sensor node, realizes that transfer of data and network form.
Described acoustic matrix sensor node also comprises the location synchronization module that links to each other with control module; Described location synchronization module is used to obtain the self-position information of acoustic matrix sensor node, and the time service synchronizing function is provided.
Described acoustic matrix sensor node also comprises the power module that links to each other with acoustic matrix sensor assembly, control module, acquisition module, processing module, radio-frequency module and location synchronization module; Described power module is used for each module to the acoustic matrix sensor node to be provided power supply and manages.
Described acoustic matrix sensor node also comprises memory module; Described memory module links to each other with control module with described power module respectively, is used to store the azimuth information of demolition point.
Described power module comprises the solar panel that links to each other with battery.
Beneficial effect
Owing to adopted above-mentioned technical scheme, the present invention compared with prior art, have following advantage and good effect: the present invention can be to the demolition point fast detecting by the acoustic matrix sensor node, and judged result is sent to remote monitoring terminal, the very first time is sent early warning information, avoids causing more the large economy loss or provides foundation for accident investigation in the future.The present invention also locatees synchronization module by adding in the acoustic matrix sensor node, thereby can effectively judge the blast occurrence positions exactly.Also add power module in the acoustic matrix sensor node, also include solar panel in the power module, solar panel can be battery and charges when battery electric quantity is not enough.Also comprise memory module in the acoustic matrix sensor node, when network congestion or Radio Link are destroyed, can realize that data are local to preserve, so that when network is unobstructed, transmit data or processed offline data.
Description of drawings
Fig. 1 is a basic artwork of the present invention;
Fig. 2 is the system block diagram of acoustic matrix sensor node among the present invention;
Fig. 3 is demolition point fast detecting positioning flow figure of the present invention.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiments of the present invention relate to a kind of acoustic matrix sensing net system that is used for the demolition point location, as shown in Figure 1, comprise at least two acoustic matrix sensor nodes 1, described acoustic matrix sensor node 1 is placed near the container 2 that may explode, in acoustic matrix sensor node detectable range, keep certain distance with container as riding position simultaneously, so can avoid blast to damage the acoustic matrix sensor node, and form the self-organizing multihop network.Described acoustic matrix sensor node 1 is used to obtain the azimuth information of demolition point, and azimuth information is sent to monitor terminal 3.Described monitor terminal 3 obtains the demolition point positional information according to each acoustic matrix sensor node 1 data fusion of receiving.As Fig. 1, acoustic matrix sensor node 1 is laid in around the large-scale explosive container 2, and acoustic matrix sensor node 1 is to communicate by letter by Radio Link with monitor terminal 3.All acoustic matrix sensor nodes 1 are reciprocity, like this can be when some node meet with obstruction, and whole detection network still can operate as normal.Wherein, acoustic matrix sensor node 1 adopts five yuan of acoustic arrays, and what collect is a voice data that complex array provides, and its data are that synchronization or each metadata are known at interval.The wireless operating frequency of acoustic matrix sensor node 1 is 433MHz, and wireless maximum transmission rate is 256kbps, and transmitted power is 20dBm, overhead 1 meter highly the place, the point-to-point maximum communication distance of intervisibility is 600 meters.When blasting, the acoustic matrix sensor node obtains the azimuth information of demolition point, arrives monitor terminal through wireless transmission.Merge the positional information that obtains demolition point according to a plurality of node datas at monitor terminal.
As shown in Figure 2, described acoustic matrix sensor node comprises acoustic matrix sensor assembly, control module, acquisition module, processing module and radio-frequency module.Described acoustic matrix sensor assembly is used for acoustic array data and voice signal are carried out front-end processing, is about to acoustic array data and voice signal and carries out filtering by analog filter, gathers demand to obtain meeting acoustical signal.Control module is the core of whole acoustic matrix sensor node, be used to control described acoustic matrix sensor assembly, acquisition module, processing module and radio-frequency module, promptly be responsible for to realize the control of meshed network function and node system, this control module can be made up of 16 or 32 8-digit microcontroller MCU.Acquisition module is used to gather the acoustic array data, and it requires to realize the array data synchronous acquisition, adopts multipath A/D converter and programmable logic device FPGA to realize usually.Processing module is used for the acoustic array data that collect are handled, and obtains the azimuth information of demolition point, because it needs stronger data-handling capacity, adopts the digital signal processing chip DSP of specialty to realize usually.Radio-frequency module is the unique interface that intercoms mutually with other nodes, is used for intercoming mutually with other acoustic matrix sensor node, realizes that transfer of data and network form, and this module is made up of narrow radio frequency chip and peripheral circuit.Add the location synchronization module in the acoustic matrix sensor assembly, the location synchronization module is used to obtain the self-position information of acoustic matrix sensor node, and provide the time service synchronizing function, provide the latitude and longitude information of acoustic matrix sensor node as the GPS locating module or the Big Dipper locating module that can adopt band time service function, so that the positional information of demolition point is provided.The acoustic matrix sensor node also comprises the power module that links to each other with acoustic matrix sensor assembly, control module, acquisition module, processing module, radio-frequency module and location synchronization module, this power module can be according to the disparate modules demand, different supply power voltages is provided respectively, also be provided with the solar panel that links to each other with battery in the power module, when battery electric quantity during less than pre-set threshold, solar panel is that battery charges.The acoustic matrix sensor node also comprises memory module, memory module links to each other with control module with power module respectively, be used to store the azimuth information of demolition point, when network congestion or Radio Link are destroyed, can realize the local preservation of data, so that when network is unobstructed, transmit data or processed offline data.
Fig. 3 is demolition point fast detecting positioning flow figure of the present invention.
(a). the acoustic matrix sensor node starts.
(b). obtain positional information (as GPS information), add network, the synchronization node time, and be saved in the routing iinformation of monitor terminal, processing module enters resting state.
(c). the acoustic matrix sensor node obtains the acoustic array data from acquisition module, has judged whether that blast takes place.
(d) if. having blast to take place then (e), otherwise returning (c).
(e). activate processing module, processing module is from acquisition module acoustic array data, and deal with data obtains azimuth information, and the result is sent to control module.
(f). the acoustic matrix sensor node is sent to monitor terminal with judged result by multihop network, so that monitor terminal obtains the particular location that explodes according to the information of a plurality of nodes, returns (c).
Be not difficult to find that the present invention can be to the demolition point fast detecting by the acoustic matrix sensor node, and judged result is sent to remote monitoring terminal, the very first time is sent early warning information, avoids causing more large economy to lose or provides foundation for accident investigation in the future.The present invention also locatees synchronization module by adding in the acoustic matrix sensor node, thereby can effectively judge the blast occurrence positions exactly.Also add power module in the acoustic matrix sensor node, also include solar panel in the power module, solar panel can be battery and charges when battery electric quantity is not enough.Also comprise memory module in the acoustic matrix sensor node, when network congestion or Radio Link are destroyed, can realize that data are local to preserve, so that when network is unobstructed, transmit data or processed offline data.
Claims (7)
1. an acoustic matrix sensing net system that is used for the demolition point location comprises at least two acoustic matrix sensor nodes (1), it is characterized in that described acoustic matrix sensor node (1) is placed near the container (2) that may explode, and forms the self-organizing multihop network; Described acoustic matrix sensor node (1) is used to obtain the azimuth information of demolition point, and azimuth information is sent to monitor terminal (3); Described monitor terminal (3) obtains the demolition point positional information according to each acoustic matrix sensor node (1) data fusion of receiving.
2. the acoustic matrix sensing net system that is used for the demolition point location according to claim 1 is characterized in that described all acoustic matrix sensor nodes (1) are reciprocity.
3. the acoustic matrix sensing net system that is used for the demolition point location according to claim 1 and 2 is characterized in that described acoustic matrix sensor node (1) comprises acoustic matrix sensor assembly, control module, acquisition module, processing module and radio-frequency module; Described acoustic matrix sensor assembly is used for acoustic array data and voice signal are carried out front-end processing; Described control module is used to control described acoustic matrix sensor assembly, acquisition module, processing module and radio-frequency module; Described acquisition module is used to gather the acoustic array data; Described processing module is used for the acoustic array data that collect are handled, and obtains the azimuth information of demolition point; Described radio-frequency module is used for intercoming mutually with other acoustic matrix sensor node, realizes that transfer of data and network form.
4. the acoustic matrix sensing net system that is used for the demolition point location according to claim 3 is characterized in that described acoustic matrix sensor node (1) also comprises the location synchronization module that links to each other with control module; Described location synchronization module is used to obtain the self-position information of acoustic matrix sensor node, and the time service synchronizing function is provided.
5. the acoustic matrix sensing net system that is used for the demolition point location according to claim 4, it is characterized in that described acoustic matrix sensor node (1) also comprises the power module that links to each other with acoustic matrix sensor assembly, control module, acquisition module, processing module, radio-frequency module and location synchronization module; Described power module is used for each module to the acoustic matrix sensor node to be provided power supply and manages.
6. the acoustic matrix sensing net system that is used for the demolition point location according to claim 5 is characterized in that described acoustic matrix sensor node (1) also comprises memory module; Described memory module links to each other with control module with described power module respectively, is used to store the azimuth information of demolition point.
7. the acoustic matrix sensing net system that is used for the demolition point location according to claim 5 is characterized in that described power module comprises the solar panel that links to each other with battery.
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| CN2011101453698A CN102215603A (en) | 2011-05-31 | 2011-05-31 | Acoustic array sensor network system for positioning explosion point |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104537813A (en) * | 2014-11-13 | 2015-04-22 | 无锡悟莘科技有限公司 | A farmland information automatic detection and power supply optimization method based on a wireless sensor network |
| CN105783616A (en) * | 2016-04-13 | 2016-07-20 | 四川银沙科技有限公司 | Intelligent gunfire control system based on wireless sensing network |
| CN112285649A (en) * | 2020-10-22 | 2021-01-29 | 西安邮电大学 | System and method for positioning explosion point sound of artificial precipitation hail suppression bomb |
| CN113138367A (en) * | 2020-01-20 | 2021-07-20 | 中国科学院上海微系统与信息技术研究所 | Target positioning method and device, electronic equipment and storage medium |
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| CN101696967A (en) * | 2009-10-29 | 2010-04-21 | 中国科学院上海微系统与信息技术研究所 | Lake water texture and water quality monitoring system and method based on wireless sensing network |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104537813A (en) * | 2014-11-13 | 2015-04-22 | 无锡悟莘科技有限公司 | A farmland information automatic detection and power supply optimization method based on a wireless sensor network |
| CN105783616A (en) * | 2016-04-13 | 2016-07-20 | 四川银沙科技有限公司 | Intelligent gunfire control system based on wireless sensing network |
| CN113138367A (en) * | 2020-01-20 | 2021-07-20 | 中国科学院上海微系统与信息技术研究所 | Target positioning method and device, electronic equipment and storage medium |
| CN112285649A (en) * | 2020-10-22 | 2021-01-29 | 西安邮电大学 | System and method for positioning explosion point sound of artificial precipitation hail suppression bomb |
| CN112285649B (en) * | 2020-10-22 | 2023-08-18 | 西安邮电大学 | Manual precipitation hail prevention bomb explosion point sound positioning system and positioning method |
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Application publication date: 20111012 |