CN201509199U - Wireless sensor network node module based on Bluetooth - Google Patents
Wireless sensor network node module based on Bluetooth Download PDFInfo
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- CN201509199U CN201509199U CN2009202449081U CN200920244908U CN201509199U CN 201509199 U CN201509199 U CN 201509199U CN 2009202449081 U CN2009202449081 U CN 2009202449081U CN 200920244908 U CN200920244908 U CN 200920244908U CN 201509199 U CN201509199 U CN 201509199U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The utility model discloses a wireless sensor network node module based on Bluetooth, comprising a power supply module, a main control module which power electricity-consumption module and a sensor module, a data storage module and a Bluetooth wireless communication module which are respectively connected with the main control module, wherein, the main control module, the sensor module, the data storage module and the Bluetooth wireless communication module are all connected with the power supply module, the sensor module comprises an extensible sensor interface module which is connected with the main control module and a sensor or a plurality of sensors which are connected with the extensible sensor interface module. In the utility model, the wireless sensor is combined with the Bluetooth communication technology, a new information acquisition and transmission platform are realized, therefore, the utility model has advantages of low power consumption, low cost, distribution, high reliability, good expansibility and strong automatic networking capacity and the like.
Description
Technical field
The utility model relates to a kind of wireless sensor network node, especially relates to a kind of wireless sensor network node module based on bluetooth.
Background technology
Wireless sensor network is the sensor network of a new generation, and it is the comprehensive intelligent information system that integrates information gathering, message transmission, information processing, has broad application prospects, and the heating power that is subjected to domestic and international each big research institution is pursued.A lot of people think, the importance of this technology can compare favourably with the internet: make computer can visit various digital informations and can where be kept at regardless of it as the internet, sensor network can be expanded the ability that people and real world carry out remote interaction.It even quilt person are a kind of computer system of brand-new type, and Here it is because the characteristics that can scatter everywhere and the group analysis ability of its hardware of being different from over.Yet from a lot of aspects, present wireless sensor network is just as far away from internet in 1970, and the internet has only connected less than 200 universities and military laboratory at that time, and the researcher is also at various communications protocol of test and addressing scheme.And now, most of sensor networks have only connected less than 100 nodes, and more node and communication line can make it become very complicated unreasonable and can't operate as normal.The another one reason is that the price of single-sensor node is also not cheap at present, and battery life also can only be kept some months under best situation.But these problems are not impassable, and the product of some wireless sensor networks goes on the market, and the new product that possesses spectacular function also can occur within several years.
The transducer of numerous types that wireless sensor network had, diversified phenomenon in the detectable surrounding enviroment such as size, speed and direction that comprise earthquake, electromagnetism, temperature, humidity, noise, luminous intensity, pressure, soil constituent, mobile object.Micro sensing technology and Wireless Networking technology based on MEMS are that wireless sensor network has been given wide application prospect.These potential applications can reduce: field such as military affairs, aviation, anti-terrorism, explosion-proof, the disaster relief, environment, medical treatment, health care, household, industry, commerce.
Bluetooth is that support is widest in area general on the current market, the wireless standard that function is abundant and the safest.This technology is an instant technology, and it does not require fixing infrastructure, is easy to install and be provided with; Operate in the 2.4GHz wave band, do not need to pay any expense.Simultaneously it also has characteristics such as low-power consumption, low cost, electromagnetic pollution be little.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of wireless sensor network node module based on bluetooth is provided, it combines wireless senser with Bluetooth Communication Technology, realize a kind of new information gathering and transmission platform, had advantages such as low-power consumption, low cost, distributed, high reliability, favorable expandability and MANET ability be strong.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of wireless sensor network node module based on bluetooth, it is characterized in that: be included as the power module that each electricity consumption module is powered, main control module and the sensor assembly that joins with main control module respectively, data memory module and Bluetooth wireless communication module, described main control module, sensor assembly, data memory module and Bluetooth wireless communication module are all joined with power module, but but described sensor assembly comprises extensible sensor interface module of joining with main control module and the one or more transducers that are connected on the described extensible sensor interface module.
Described main control module is the ATmega1281 processor.
Described Bluetooth wireless communication module is a bluetooth BlueCore02 chip.
Described data memory module is the AT45DB041B chip.
The utility model compared with prior art has the following advantages:
1, cost low, arrange net convenient and use simple to operate, intelligent degree height.
2, adopt the low-power consumption chip, thereby the life cycle of sensor node is longer.
3, strong, reliable working performance of MANET ability and favorable expandability.
4, reasonable in design and result of use good, main control module is finished to information processing, storage with by the Bluetooth wireless communication module and is transmitted, and also wants responsible node networking and data with, Route Selection and system power dissipation control etc.Sensor assembly is responsible for the collection of information, passes through I
2C bus, GPIO, USART, ADC interface link to each other with main control module, work under the control of main control module, and sensor assembly has many expansion interfaces, can make things convenient for the kind of extension sensor.The Bluetooth wireless communication module partly is made up of risc processor, FLASH memory, antenna, baseband interface etc., is responsible for the transmission of data.Memory module is made up of a chip external memory and peripheral circuit thereof, mainly is preservation information, forms an information database.Power module is made up of battery or voltage stabilizing circuit, and system's energy needed is provided.
In sum, the utility model combines wireless senser with Bluetooth Communication Technology, has realized a kind of new information gathering and transmission platform, has advantages such as low-power consumption, low cost, distributed, high reliability, favorable expandability and MANET ability be strong.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is a schematic block circuit diagram of the present utility model.
Description of reference numerals:
The 1-main control module; The 2-sensor assembly; The 3-data memory module;
4-Bluetooth wireless communication module; The 5-power module.
Embodiment
As shown in Figure 1, sensor assembly 2, data memory module 3 and Bluetooth wireless communication module 4 that the utility model is included as power module 5 that each electricity consumption module powers, main control module 1 and joins with main control module 1 respectively, described main control module 1, sensor assembly 2, data memory module 3 and Bluetooth wireless communication module 4 are all joined with power module 5, but but described sensor assembly 2 comprises extensible sensor interface module of joining with main control module 1 and the one or more transducers that are connected on the described extensible sensor interface module.
In the present embodiment, described main control module 1 is the ATmega1281 processor.Described ATmega1281 processor is 8 Low-Power CMOS microprocessors based on the AVR risc architecture, because its advanced instruction set and one-cycle instruction time of implementation, make the data throughput of ATmega1281 processor up to 1MIPS/MHZ, thereby can extenuate the contradiction of system between power consumption and processing speed.The main resource and the performance of described ATmega1281 processor have: jtag interface, 8 PWM of two-way, the programmable PWM of 6 tunnel resolution, 8 tunnel 10 ADC, two programmable serial USART, the In-System Programmable Flash of 128K, the EEPROM of capacity 4K, capacity is the SRAM of 4K, and capacity is the external memory storage space of the optimization of 64K, the SPI in-system programming.On the ATmega1281 processor is a TinyOS of shirtsleeve operation system, and it can provide the access control of various hardware resources and information processing.Whole system can be operated in various modes: go up power mode, sleep pattern, busy pattern, operating system is selected to enter suitable mode of operation according to different situations, has reduced the power problems of system effectively.
Described Bluetooth wireless communication module 4 is a bluetooth BlueCore02 chip.Described BlueCore02 chipset wireless device, microprocessor and additional circuits thereof are in one, the CMOS technology of 0.35 μ m of employing standard, BlueCore02 is by the FlashROM that has Bluetooth protocol of periphery, the data and the voice communication of complete compatibility can be provided, and through optimal design, required external RF element seldom has very high integrated level.
Described data memory module 3 is the AT45DB041B chip.The WP pin of described AT45DB041B chip is write-protect; when the WP pin is connected to VCC; all contents are all by write-protect; when the WP pin is connected to GND or when unsettled; allow device to carry out normal reading and writing operation; directly with WP pin ground connection, SCK serial clock input pin is used for the transmission of all data of device or the clock control of reception herein.
Described sensor assembly 2 can connect multiple sensors such as temperature, humidity, light and carbon dioxide, so that these indexs are monitored.
Described power module 5 is formed by battery with the voltage stabilizing circuit that battery joins.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection range of technical solutions of the utility model according to the utility model technical spirit.
Claims (4)
1. wireless sensor network node module based on bluetooth, it is characterized in that: be included as the power module (5) that each electricity consumption module is powered, main control module (1) and the sensor assembly (2) that joins with main control module (1) respectively, data memory module (3) and Bluetooth wireless communication module (4), described main control module (1), sensor assembly (2), data memory module (3) and Bluetooth wireless communication module (4) are all joined with power module (5), and described sensor assembly (2) comprises with main control module (1) but but the extensible sensor interface module of joining and be connected on one or more transducers on the described extensible sensor interface module.
2. according to the described a kind of wireless sensor network node module based on bluetooth of claim 1, it is characterized in that: described main control module (1) is the ATmega1281 processor.
3. according to claim 1 or 2 described a kind of wireless sensor network node modules based on bluetooth, it is characterized in that: described Bluetooth wireless communication module (4) is bluetooth BlueCore02 chip.
4. according to claim 1 or 2 described a kind of wireless sensor network node modules based on bluetooth, it is characterized in that: described data memory module (3) is the AT45DB041B chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202449081U CN201509199U (en) | 2009-10-27 | 2009-10-27 | Wireless sensor network node module based on Bluetooth |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009202449081U CN201509199U (en) | 2009-10-27 | 2009-10-27 | Wireless sensor network node module based on Bluetooth |
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| CN201509199U true CN201509199U (en) | 2010-06-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101984727A (en) * | 2010-11-24 | 2011-03-09 | 中国地质大学（武汉） | Wireless sensor network gateway equipment based on moveable interconnection of bluetooth |
| CN102055499A (en) * | 2009-10-27 | 2011-05-11 | 西安迅腾科技有限责任公司 | Wireless sensor network node module based on Bluetooth |
-
2009
- 2009-10-27 CN CN2009202449081U patent/CN201509199U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102055499A (en) * | 2009-10-27 | 2011-05-11 | 西安迅腾科技有限责任公司 | Wireless sensor network node module based on Bluetooth |
| CN101984727A (en) * | 2010-11-24 | 2011-03-09 | 中国地质大学（武汉） | Wireless sensor network gateway equipment based on moveable interconnection of bluetooth |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20101027 |