CN102361518A - System and method for transmitting image information in wireless sensor network - Google Patents
System and method for transmitting image information in wireless sensor network Download PDFInfo
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- CN102361518A CN102361518A CN2011103006345A CN201110300634A CN102361518A CN 102361518 A CN102361518 A CN 102361518A CN 2011103006345 A CN2011103006345 A CN 2011103006345A CN 201110300634 A CN201110300634 A CN 201110300634A CN 102361518 A CN102361518 A CN 102361518A
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Abstract
The invention relates to a system and a method for transmitting image information in a wireless sensor network, belonging to the technical field of electronic information. The system comprises a wireless image sensor network node, a routing relay node and the like and is characterized in that the wireless image sensor network node and the routing relay node are dispersed in a region in the need of image environment monitoring; the nodes are collected and connected to a data server platform through a serial bus; and sensor network data is collected to the data service platform so that multi-media image information is collected and transmitted in the wireless sensor network. The invention provides a method for collecting and transmitting the multi-media image information in the wireless sensor network. Image data with more complex scalar information, such as temperature, humidity, light intensity and the like, can be obtained in the wireless sensor network. More precise environmental information can be provided for people. The system and the method disclosed by the invention have good stability and flexibility and have the advantages of being low in cost, flexible in networking, low in geographic environment limitation, and the like.
Description
Technical field
The present invention relates to a kind of system and method that is used for wireless sensor network transmitting multimedia image information, belong to electronic information technical field.
Background technology
People are when environment is monitored to external world in the daily productive life, need comprehensively obtain some like temperature, humidity, light intensity equiscalar information and complex image data more, can environmental information more accurately be provided for people.Multimedia image information has intuitive, real-time, can satisfy the comprehensive demand of people to environmental monitoring.The collection of multimedia image information and transmission all are to carry out through traditional wired image information collection and transmission network generally; The wiring of this cable network is loaded down with trivial details, cost is high, waste time and energy; And have shortcomings such as networking capability difference, promptly belong to these row like the patent that the patent No. is 200810196492, denomination of invention is wired network monitoring system.
Summary of the invention
Defective and deficiency to background technology exists the invention provides a kind of system and method that is used for wireless sensor network transmitting multimedia image information.
Technical scheme of the present invention is following:
A kind of system that is used for wireless sensor network images information; Comprise wireless image sensor network nodes, route via node, aggregation node and data, services applicator platform; It is characterized in that the zone that wireless image sensor network nodes and route via node are dispersed in needs the image-context monitoring; Aggregation node is connected to the data, services applicator platform through USB and is used for aggregation networks data to data, services applicator platform, to realize collection and the transmission of multimedia image information in wireless sensor network; Wherein the wireless image sensor network nodes is made up of IMAQ and JPEG compression module, SD card memory module, sensor assembly, microcontroller, RF receiving and transmission module and power module, and IMAQ and JPEG compression module include image data acquiring module, image Compression module and EEPROM (EEPROM); Sensor assembly is connected with IMAQ and JPEG compression module; IMAQ and JPEG compression module, SD card memory module, sensor assembly and RF receiving and transmission module are connected with microcontroller respectively, and power module is connected respectively to and is its power supply on above-mentioned each module; The route via node is made up of microprocessor, RF receiving and transmission module and power module, and RF receiving and transmission module is connected with microprocessor, and power module is connected to and is its power supply on RF receiving and transmission module and the microprocessor; Aggregation node comprises microprocessor, RF receiving and transmission module and power module; RF receiving and transmission module is connected with microprocessor; Microprocessor is connected through USB with the data, services platform, and power module is connected to and is its power supply on RF receiving and transmission module and the microprocessor.
Described sensor assembly comprises photoelectric sensor, temperature sensor, humidity sensor and gas sensor.
Route via node module among the present invention is made up of RF receiving and transmission module and microcontroller, and RF receiving and transmission module is responsible for the information of scheduling node; The data, services applicator platform is built by the linux server.Can realize that the user passes through Web mode access server query node relevant information, Long-distance Control node.
System of the present invention can be dispersed in the zone that needs the image-context monitoring with wireless image sensor network nodes and route via node earlier in use; Aggregation node is connected to the data, services applicator platform through USB, is used for aggregation networks data to data, services applicator platform; IMAQ in the wireless image sensor network nodes and JPEG compression module are used for gathering and compression environment image information; SD card memory module is connected on the modal processor CC2430 chip through spi bus.Be used for data messages such as memory image; When the illumination of node, temperature, humidity, when gas sensor data surpasses preset threshold, modal processor CC2430 starts IMAQ and JPEG compression module, sends photographing command, and sends request transmit image data report abnormal conditions to server.If temporary transient server no response, or temporary transient inconvenient images then are stored in SD card memory module, in order to server lookup.The user can be long-range through each nodal information of Web mode access data services platform inquiry; When a certain nodal information of user inquiring, the data, services platform sends the requested image data command through aggregation node to destination node; Photographing command is sent to image sensor module in the sensor of interest network node back that receives orders, subsequently reads image data and send view data to the telegon aggregation node.
A kind of method of utilizing wireless image sensor network nodes transmitting multimedia image information in the said system, step is following:
A. begin;
B. the initiating hardware resource comprises wireless image sensor network nodes power-up initializing, initialization sensor assembly, initialisation image collection and JPEG compression module, initialization SD card memory module, initialization RF receiving and transmission module;
C. the microprocesser initialization Z-STACK network of aggregation node;
D. the request of wireless image sensor network nodes adds network, and is if successfully adding network then changes next step over to, unsuccessful then forward step c to;
E. the wireless image sensor network nodes waits for that sensor abnormality triggers or user's requested image message command, if receive that sensor abnormality triggers or user's requested image message command then forwards step f to, otherwise forwards step j to;
F. wireless image sensor network nodes microcontroller starts the image data acquiring module and sends photographing command;
G. the image information of microcontroller reads image data acquisition module and be stored in the SD card;
H. microcontroller starts RF receiving and transmission module and sends image data information, and image data information is sent to the data, services applicator platform through wireless sensor network;
I. microcontroller judges whether image data information sends success, sends and successfully then changes step m over to, sends the unsuccessful step h that then forwards to;
J. microcontroller is waited for the user inquiring abnormal information order that the data, services applicator platform sends, and then forwards next step to if receive orders, otherwise forwards step e to;
K. microcontroller is inquired about SD card memory module abnormal information index;
L. microcontroller reads abnormal information view data in the SD card, changes step h then over to;
M. judge whether this node is connected in the wireless sensor network, if jump to e; Otherwise jump to d.
Beneficial effect of the present invention and characteristics are: under the platform of building, well realized having good stability and flexibility based on IMAQ in the wireless sensor network under the ZigBee agreement and transmission.Realized the distributed capture of view data.Compared with prior art, can in wireless sensor network, obtain than temperature, humidity, light intensity equiscalar information complex image data more, for people provide environmental information more accurately.This method has good stability and flexibility, has simultaneously that cost is low, networking flexibility, receives advantages such as the geographical environment restriction is few.
Description of drawings
Fig. 1 is the structural representation of system of the present invention; Fig. 2 is wireless image sensor network nodes of the present invention structural representation; Fig. 3 is a route via node structural representation of the present invention.(structure of aggregation node is with identical shown in the route via node sketch map.)
Wherein: 1, wireless image sensor network nodes, 2, the route via node, 3, aggregation node, 4, the data, services applicator platform; 5, user side, 6, building, 7, microcontroller, 8, IMAQ and JPEG compression module; 9, sensor assembly, 10, SD card memory module, 11, RF receiving and transmission module, 12, antenna; 13, image data acquiring module, 14, the image Compression module, 15, EEPROM (EEPROM); 16, microprocessor, 17, RF receiving and transmission module, 18, power module.
Fig. 4 is the FB(flow block) of wireless image sensor network nodes transmitting multimedia image information in the inventive method, and wherein a-m is its each step.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further, but is not limited thereto.
Embodiment 1:
The embodiment of the invention 1 is shown in Fig. 1-3; A kind of system with wireless sensor network transmitting multimedia image information; Comprise wireless image sensor network nodes 1, route via node 2, aggregation node 3 and data, services applicator platform 4; It is characterized in that the zone that wireless image sensor network nodes 1 and route via node 2 are dispersed in needs the image-context monitoring; Aggregation node 3 is connected to data, services applicator platform 4 through USB and is used for aggregation networks data to data, services applicator platform 4, to realize collection and the transmission of multimedia image information in wireless sensor network; Wherein wireless image sensor network nodes 1 is made up of IMAQ and JPEG compression module 8, SD card memory module 10, sensor assembly 9, microcontroller 7, RF receiving and transmission module 11 and power module, and IMAQ and JPEG compression module 8 include image data acquiring module 13, image Compression module 14 and EEPROM (EEPROM) 15; Sensor assembly 9 is connected with IMAQ and JPEG compression module 8; IMAQ and JPEG compression module 8, SD card memory module 10, sensor assembly 9 and RF receiving and transmission module 11 are connected with microcontroller 7 respectively, and power module is connected respectively to and is its power supply on above-mentioned each module; Route via node 2 is made up of microprocessor 16, RF receiving and transmission module 17 and power module 18, and RF receiving and transmission module 17 is connected with microprocessor 16, and power module 18 is connected to and is its power supply on RF receiving and transmission module 17 and the microprocessor 16; Aggregation node comprises microprocessor, RF receiving and transmission module and power module; RF receiving and transmission module is connected with microprocessor; Microprocessor is connected through USB with the data, services platform, and power module is connected to and is its power supply on RF receiving and transmission module and the microprocessor;
Described sensor assembly 9 comprises photoelectric sensor, temperature sensor, humidity sensor and gas sensor.
Image data acquiring module in the embodiment of the invention 1 adopts the U.S. core MT9V011 of company type cmos image sensor, and the image Compression module adopts the picture processing chip VC0706 of Z-Star Microelectronics.RF receiving and transmission module adopts the CC2430 RF receiving and transmission module of Chipcon company.SD card memory module is through spi bus and CC2430 chip communication.
Embodiment 2:
A kind of method of utilizing wireless image sensor network nodes transmitting multimedia image information in the said system, as shown in Figure 4, step is following:
A. begin;
B. the initiating hardware resource comprises wireless image sensor network nodes power-up initializing, initialization sensor assembly, initialisation image collection and JPEG compression module, initialization SD card memory module, initialization RF receiving and transmission module;
C. the microprocesser initialization Z-STACK network of aggregation node;
D. the request of wireless image sensor network nodes adds network, and is if successfully adding network then changes next step over to, unsuccessful then forward step c to;
E. the wireless image sensor network nodes waits for that sensor abnormality triggers or user's requested image message command, if receive that sensor abnormality triggers or user's requested image message command then forwards step f to, otherwise forwards step j to;
F. wireless image sensor network nodes microcontroller starts the image data acquiring module and sends photographing command;
G. the image information of microcontroller reads image data acquisition module and be stored in the SD card;
H. microcontroller starts RF receiving and transmission module and sends image data information, and image data information is sent to the data, services applicator platform through wireless sensor network;
I. microcontroller judges whether image data information sends success, sends and successfully then changes step m over to, sends the unsuccessful step h that then forwards to;
J. microcontroller is waited for the user inquiring abnormal information order that the data, services applicator platform sends, and then forwards next step to if receive orders, otherwise forwards step e to;
K. microcontroller is inquired about SD card memory module abnormal information index;
L. microcontroller reads abnormal information view data in the SD card, changes step h then over to;
M. judge whether this node is connected in the wireless sensor network, if jump to e; Otherwise jump to d.
Claims (3)
1. system that is used for wireless sensor network images information; Comprise wireless image sensor network nodes, route via node, aggregation node and data, services applicator platform; It is characterized in that wireless image sensor network nodes and route via node are dispersed in the regional aggregation node that needs image-context monitoring and are connected to the data, services applicator platform through USB and are used to converge sensor network data to data, services applicator platform, to realize collection and the transmission of multimedia image information in wireless sensor network; Wherein the wireless image sensor network nodes is made up of IMAQ and JPEG compression module, SD card memory module, sensor assembly, microcontroller, RF receiving and transmission module and power module, and IMAQ and JPEG compression module include image data acquiring module, image Compression module and EEPROM; Sensor assembly is connected with IMAQ and JPEG compression module; IMAQ and JPEG compression module, SD card memory module, sensor assembly and RF receiving and transmission module are connected with microcontroller respectively, and power module is connected respectively to and is its power supply on above-mentioned each module; The route via node is made up of microprocessor, RF receiving and transmission module and power module, and RF receiving and transmission module is connected with microprocessor, and power module is connected to and is its power supply on RF receiving and transmission module and the microprocessor; Aggregation node comprises microprocessor, RF receiving and transmission module and power module; RF receiving and transmission module is connected with microprocessor; Microprocessor is connected through USB with the data, services platform, and power module is connected to and is its power supply on RF receiving and transmission module and the microprocessor.
2. a kind of system that is used for wireless sensor network images information as claimed in claim 1 is characterized in that described sensor assembly comprises photoelectric sensor, temperature sensor, humidity sensor and gas sensor.
3. method of utilizing wireless image sensor network nodes transmitting multimedia image information in the said system of claim 1, step is following:
A. begin;
B. the initiating hardware resource comprises wireless image sensor network nodes power-up initializing, initialization sensor assembly, initialisation image collection and JPEG compression module, initialization SD card memory module, initialization RF receiving and transmission module;
C. the microprocesser initialization Z-STACK network of aggregation node;
D. the request of wireless image sensor network nodes adds network, and is if successfully adding network then changes next step over to, unsuccessful then forward step c to;
E. the wireless image sensor network nodes waits for that sensor abnormality triggers or user's requested image message command, if receive that sensor abnormality triggers or user's requested image message command then forwards step f to, otherwise forwards step j to;
F. wireless image sensor network nodes microcontroller starts the image data acquiring module and sends photographing command;
G. the image information of microcontroller reads image data acquisition module and be stored in the SD card;
H. microcontroller starts RF receiving and transmission module and sends image data information, and image data information is sent to the data, services applicator platform through wireless sensor network;
I. microcontroller judges whether image data information sends success, sends and successfully then changes step m over to, sends the unsuccessful step h that then forwards to;
J. microcontroller is waited for the user inquiring abnormal information order that the data, services applicator platform sends, and then forwards next step to if receive orders, otherwise forwards step e to;
K. microcontroller is inquired about SD card memory module abnormal information index;
L. microcontroller reads abnormal information view data in the SD card, changes step h then over to;
M. judge whether this node is connected in the wireless sensor network, if jump to e; Otherwise jump to d.
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| CN104053072A (en) * | 2013-03-15 | 2014-09-17 | 株式会社理光 | DISTRIBUTION CONTROL SYSTEM, DISTRIBUTION SYSTEM and DISTRIBUTION CONTROL METHOD |
| CN104219224A (en) * | 2014-07-30 | 2014-12-17 | 南京邮电大学 | Priority-based IPV6 heterogeneous sensor network data security communication method |
| CN106791258A (en) * | 2017-01-04 | 2017-05-31 | 路晓明 | LoRa image acquisition transmission systems |
| CN107850634A (en) * | 2015-07-09 | 2018-03-27 | 认知系统公司 | Radio frequency camera arrangement |
| CN109272052A (en) * | 2018-10-10 | 2019-01-25 | 同济大学 | A kind of anti-intrusion intelligent identifying system of underground structure periphery pile foundation construction and method |
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| CN109272052A (en) * | 2018-10-10 | 2019-01-25 | 同济大学 | A kind of anti-intrusion intelligent identifying system of underground structure periphery pile foundation construction and method |
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Application publication date: 20120222 |