CN102055499A - Wireless sensor network node module based on Bluetooth - Google Patents
Wireless sensor network node module based on Bluetooth Download PDFInfo
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- CN102055499A CN102055499A CN200910218536XA CN200910218536A CN102055499A CN 102055499 A CN102055499 A CN 102055499A CN 200910218536X A CN200910218536X A CN 200910218536XA CN 200910218536 A CN200910218536 A CN 200910218536A CN 102055499 A CN102055499 A CN 102055499A
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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
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Abstract
The invention discloses a wireless sensor network node module based on Bluetooth, which comprises a power supply module for supplying power to all electric modules, a main control module, a sensor module, a data storage module and a Bluetooth wireless communication module, wherein the sensor module, the data storage module and the Bluetooth wireless communication module are respectively connected with main control module, 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, and the sensor module comprises an expandable sensor interface module connected with the main control module and one or more than one sensor connected with the expandable sensor interface module. The invention combines the wireless sensor communication technology with the Bluetooth communication technology, realizes a new information acquisition and transmission platform and has the advantages of low power consumption, low cost, distribution, high reliability, good expandability, strong self networking capability and the like.
Description
Technical field
The present invention relates to a kind of wireless sensor network node, especially relate 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.
Summary of the invention
Technical problem to be solved by this invention 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 used in the present invention 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 present invention 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 present invention 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, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is a schematic block circuit diagram of the present invention.
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, the sensor assembly 2, data memory module 3 and the Bluetooth wireless communication module 4 that the present invention includes the power module 5 of powering, main control module 1 and join with main control module 1 respectively for each electricity consumption module, 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 invention; be not that the present invention is imposed any restrictions, everyly any simple modification that above embodiment did, change and equivalent structure changed, all still belong in the protection range of technical solution of the present invention according to the technology of the present invention essence.
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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910218536XA CN102055499A (en) | 2009-10-27 | 2009-10-27 | Wireless sensor network node module based on Bluetooth |
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| CN200910218536XA CN102055499A (en) | 2009-10-27 | 2009-10-27 | Wireless sensor network node module based on Bluetooth |
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| CN102055499A true CN102055499A (en) | 2011-05-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102612106A (en) * | 2012-03-12 | 2012-07-25 | 深圳职业技术学院 | Wireless sensor network system and routing method thereof |
| CN103139936A (en) * | 2013-01-18 | 2013-06-05 | 西北农林科技大学 | Energy-self-feeding wireless sensor network node |
| CN106559091A (en) * | 2015-09-30 | 2017-04-05 | 英特尔Ip公司 | In the adjustment of the bluetooth gold range of receiving existed when Long Term Evolution is disturbed |
| CN113465662A (en) * | 2021-05-26 | 2021-10-01 | 昆明理工大学 | Soil humiture and conductivity detection system |
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| EP1538791A2 (en) * | 2003-11-25 | 2005-06-08 | TDK Systems Europe Ltd. | Data communication |
| CN201262702Y (en) * | 2007-10-31 | 2009-06-24 | 西南科技大学 | Wireless sensor network node based on Bluetooth |
| CN201509199U (en) * | 2009-10-27 | 2010-06-16 | 西安迅腾科技有限责任公司 | Wireless sensor network node module based on Bluetooth |
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2009
- 2009-10-27 CN CN200910218536XA patent/CN102055499A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1538791A2 (en) * | 2003-11-25 | 2005-06-08 | TDK Systems Europe Ltd. | Data communication |
| CN201262702Y (en) * | 2007-10-31 | 2009-06-24 | 西南科技大学 | Wireless sensor network node based on Bluetooth |
| CN201509199U (en) * | 2009-10-27 | 2010-06-16 | 西安迅腾科技有限责任公司 | Wireless sensor network node module based on Bluetooth |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102612106A (en) * | 2012-03-12 | 2012-07-25 | 深圳职业技术学院 | Wireless sensor network system and routing method thereof |
| CN102612106B (en) * | 2012-03-12 | 2014-09-10 | 深圳职业技术学院 | Wireless sensor network system and routing method thereof |
| CN103139936A (en) * | 2013-01-18 | 2013-06-05 | 西北农林科技大学 | Energy-self-feeding wireless sensor network node |
| CN103139936B (en) * | 2013-01-18 | 2015-04-22 | 西北农林科技大学 | Energy-self-feeding wireless sensor network node |
| CN106559091A (en) * | 2015-09-30 | 2017-04-05 | 英特尔Ip公司 | In the adjustment of the bluetooth gold range of receiving existed when Long Term Evolution is disturbed |
| CN106559091B (en) * | 2015-09-30 | 2019-11-05 | 英特尔Ip公司 | The adjustment of bluetooth gold range of receiving when there are long term evolution interference |
| CN113465662A (en) * | 2021-05-26 | 2021-10-01 | 昆明理工大学 | Soil humiture and conductivity detection system |
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Application publication date: 20110511 |