CN203301540U - Development system based on wireless sensor network technology - Google Patents

Abstract

The utility model relates to the technical field of wireless sensor networks, in particular to a development system based on wireless sensor network technology, including: a hardware platform and an emulator; wherein, the hardware platform includes: a physical address module, a wireless communication module, an antenna module, Processor module, memory module, power supply module, bus interface module, LED module and USB interface module; wherein, the physical address module, wireless communication module, memory module, LED module, bus interface module and USB interface module are respectively connected with the processor module connection; the antenna module is connected with the wireless communication module; the power supply module supplies power to all power consumption modules. The development system involved in the utility model has the characteristics of high flexibility, abundant interfaces, low power consumption, etc., can match various sensors and sensing devices, and can support long-time working requirements.

Description

Development System Based on Wireless Sensor Network Technology

technical field

The utility model belongs to the technical field of wireless sensor networks, in particular to a development system based on wireless sensor network technology.

Background technique

The Internet of Things is an important part of the new generation of information technology, and it is an extended and expanded network based on the Internet. Through radio frequency identification, infrared sensors, global positioning systems, laser scanners and other information sensing equipment, according to the agreed agreement, any item is connected to the Internet for information exchange and communication, so as to realize the intelligent identification and positioning of the item , tracking, monitoring and management of a network. Wireless sensor network technology is the basis for the rapid development of the Internet of Things, and the development of wireless sensor network technology also determines the development of the Internet of Things.

The development of wireless sensor network technology requires corresponding development and design. Correspondingly, in the development and design, it is necessary to match the corresponding experimental development equipment. For the experimental development equipment of wireless sensor network technology, because different types of sensors and other related sensing devices need to be installed in the experimental development process, and the needs of experimental development in different environments need to be met, the development equipment needs to be highly flexible. and, in order to be able to work for a long time, it is also necessary to develop experimental equipment with low power consumption. However, the existing experimental equipment for development often cannot meet these requirements.

Utility model content

The development equipment of wireless sensor network technology needs to have the characteristics of high flexibility, rich interfaces and low power consumption. In view of this, the embodiment of the utility model discloses a development system based on wireless sensor network technology.

A development system based on wireless sensor network technology, including: a hardware platform and an emulator; wherein,

The hardware platform includes: a physical address module, a wireless communication module, an antenna module, a processor module, a memory module, a power supply module, a bus interface module, an LED module and a USB interface module; among them,

The physical address module, wireless communication module, memory module, LED module, bus interface module and USB interface module are respectively connected to the processor module;

The antenna module is connected to the wireless communication module;

The power supply module supplies power to all power consumption modules.

Further, in the development system based on wireless sensor network technology, the processor module adopts CC430F5137.

Further, in the development system based on wireless sensor network technology, the physical address module adopts a 64-Bit silicon serial number chip DS2411, which is connected to the processor module through a single bus.

Further, in the development system based on wireless sensor network technology, the wireless communication module adopts the CC1101 radio frequency core and is connected to the processor module through an internal data bus.

Further, in the development system based on wireless sensor network technology, the antenna module adopts a helical antenna ANT-433-HESM, which is connected to the processor module through a PCB matching feeder

Further, in the development system based on wireless sensor network technology, the memory module uses a Flash memory chip M25P80 and is connected to the processor module through an SPI interface.

Further, in the development system based on wireless sensor network technology, the power supply module uses a DC-DC power supply chip TPS62730 to realize a regulated output, which is directly supplied to the power consumption functional module after decoupling and filtering.

Further, in the development system based on wireless sensor network technology, the LED module is connected to the processor module through a general-purpose IO port GPIO.

Further, in the development system based on wireless sensor network technology, the emulator is connected to the processor module through the USB interface module.

Further, in the development system based on wireless sensor network technology, the emulator uses USB conversion chip FT232RL, 8-Bit analog switch ADG715 and tri-state buffer NC7WZ126 to realize protocol and level conversion.

Therefore, the development system based on the wireless sensor network technology disclosed in the embodiment of the utility model has a high degree of flexibility, and can match the characteristics of rich interfaces and low power consumption of different sensors. Utilizing the utility model to carry out development experiments can flexibly adapt to different environments and sensing devices; because of low power consumption, it can also run and work for a long time.

Description of drawings

Fig. 1 is a schematic diagram of the module of the embodiment of the utility model.

Fig. 2 is a schematic diagram of the hardware platform of the embodiment of the utility model.

Fig. 3 is a schematic diagram of the antenna module of the embodiment of the present invention.

Fig. 4 is a schematic diagram of the software platform module of the embodiment of the present invention.

Fig. 5 is a schematic diagram of the connection relationship of the emulator according to the embodiment of the present invention.

Fig. 6 is a schematic diagram of the sensor connection relationship of the embodiment of the utility model.

Detailed ways

In order to make the illustration and description of the utility model clearer and more complete, the utility model will be described below in conjunction with the accompanying drawings and specific embodiments. It should be noted here that the following embodiments and accompanying drawings are not intended to limit the scope of the present utility model, and all within the spirit and principles of the present utility model should fall within the protection scope of the present utility model.

The utility model provides a development system based on wireless sensor network technology, which includes a hardware platform and a simulator.

As shown in Figure 1, the utility model module schematic diagram. Wherein, the hardware platform 101 is connected to the emulator 102 , and the hardware platform 101 is connected to the emulator 102 . The hardware platform is used for the purpose of external sensors and code program experimentation, development and testing. The emulator 102 is used to connect the PC during the test code program and simulation process, and can perform program download and online simulation, run relevant data processing software, and can directly understand the feedback data and current operating status of the hardware platform in the form of a graphical interface . During the test and development process, the test and development effects are simulated, and the test or simulation effects are further used for secondary development and design. Based on this, the hardware platform and emulator of the present invention are described in detail below in order to make the description of the present invention more clear and complete.

As shown in Figure 2, the main module structure diagram of the hardware platform of the present invention.

Wherein, physical address module 201, LED module 202, USB interface module 203, memory module 204, antenna module 205, wireless communication module 206, processor module 207, bus interface module 208 and power supply module 209; Wherein, physical address module 201, Wireless communication module 206, memory module 204, LED module 202, bus interface module 208 and USB interface module 203 are connected with processor module 207 respectively; Antenna module 205 is connected with wireless communication module 206; power supply.

Preferably, the processor module 207 uses an ultra-low power consumption microprocessor CC430F5137 of TI Company. The processor module 207 is the core device for the operation of the entire system and controls all peripheral devices.

Preferably, the physical address module 201 uses a 64-Bit silicon serial number chip DS2411 from Dallas Semiconductor Company, which is connected to the processor module 204 through a single bus.

Preferably, the wireless communication module 206 adopts the CC1101 radio frequency core of TI Semiconductor Company, and is connected with the processor module 207 through an internal data bus. The wireless communication module 206 integrates a radio frequency transceiver, etc., and adopts radio frequency identification technology to realize data transmission. Furthermore, the wireless communication module 206 can be used to send the information collected by the sensor nodes to the aggregation node in the wireless communication network, so as to realize the aggregation and processing of the information.

Preferably, the antenna module 205 adopts a helical antenna ANT-433-HESM, and the antenna module 205 is connected with the wireless communication module 206 . As shown in FIG. 3 , a schematic diagram of an antenna module; wherein, an antenna 301 and a matching circuit 302 are connected to each other to form an antenna module 300 for transmitting and receiving signals. The preferred matching circuit uses a PCB matching feeder.

Preferably, the memory module 204 uses a Flash memory chip M25P80 of ST Semiconductor Corporation, and is connected to the processor module through an SPI interface. The memory module 207 is connected with the processor module 207 through the SPI interface, and is used for storing large amounts of data and system configuration.

Preferably, the power supply module 209 adopts a high-efficiency DC-DC power supply chip TPS62730 of TI Semiconductor Company to realize a regulated output, which is directly supplied to the power-consuming functional module after decoupling and filtering.

Preferably, the LED module 202 is connected to the processor module 207 through a general-purpose I/O port GPIO, and is used to indicate the current running status during the running of the device, and assist developers in code debugging.

The bus interface module 208 is connected with the processor module 207 and is used to match various sensors and information sensing devices such as infrared sensors, global positioning systems, and laser scanners for collecting and sensing information.

Preferably, the bus interface module 208 reserves rich digital, analog, and control ports such as USART interface, SPI interface, I2C interface, ADC interface, and GPIO interface for the convenience of system integration and upgrading. The processor module is connected to the sensor through the GPIO interface and the ADC interface, and can collect analog sensor data such as pulse frequency signals, 4-20mA current signals, and 1-5V voltage signals; Digital sensor data. Moreover, the bus interface adopts a standardized protocol to facilitate the integration of peripheral sensors.

Fig. 4 is a schematic diagram of the connection relationship of the emulator of the present invention.

Among them, emulator 401 , USB interface module 402 and processor module 403 . The USB interface module 402 is connected to the processor module 403 , and the emulator 401 is connected to the USB interface module 402 . The emulator 401 is used to connect to a PC during program download, debugging and development. In this way, the hardware platform is connected to the PC through the emulator 401, and the program download and online simulation can be performed, and the relevant data processing software can be run to directly understand the feedback data and current operating status of the hardware platform in the form of a graphical interface. To achieve the purpose of development and testing.

Preferably, the emulator uses FTDI Semiconductor's USB conversion chip FT232RL, ADI Semiconductor's 8-Bit analog switch ADG715 and Fairchild Semiconductor's tri-state buffer NC7WZ126 to realize protocol and level conversion, and complete download instructions and online simulation functions

The above is the description of the main modules of the hardware platform in this embodiment and the configuration and interconnection relationship of the emulator. After the completion of the hardware platform architecture, its normal operation requires the support of the corresponding software platform. Therefore, in order to make the technical solution clear and complete, the following describes the main modules of the software platform that need to be matched in this embodiment.

As shown in Figure 4, the schematic diagram of the main modules of the software platform of the utility model.

Among them, a hardware driver module 401 , an interface component module 402 , a data display interface 403 , a source code compilation module 404 and a source code download module 405 .

The hardware driver module 401 is used to direct the work of the hardware platform. When the system needs a hardware module to perform a certain task, it will send an instruction to the hardware driver module; the hardware driver module will guide the operation of the hardware platform after receiving the corresponding instruction.

The data display interface 403 is used to support the display of the operating process data of the utility model. During testing and development, some data needs to be looked at.

The source code compiling module 404 is used for compiling the source code, and compiling the source code into a binary code that can be recognized by the machine to realize development and design.

The source code download module 405 is used for downloading required code programs for development and testing. After the source code is designed and developed, it needs to be tested to verify whether the test software can run normally and realize the corresponding functions. At this time, it is necessary to download the software code to the platform for development and testing, and the source code download module 405 is to realize the function of downloading the source code.

Further, preferably, the ultra-low power consumption radio frequency communication system-on-chip CC430 is adopted for the node of the utility model, and the user can manually set the radio frequency communication power, communication rate, communication frequency band and working mode according to actual needs, and the system automatically enters the low power mode when there is no task. Sleep state of power consumption, in order to achieve the purpose of reducing power consumption and prolonging the power supply cycle of the device.

The above is the description of the hardware platform, emulator and required matching software platform of the present invention. In order to realize the development and application of the wireless sensor network technology, the utility model also needs to be matched with relevant sensing devices such as corresponding test sensors or infrared sensors.

As shown in FIG. 6 , the utility model is composed of a schematic diagram of sensor connections.

Among them, emulator 601 , hardware platform 602 and sensor 603 . The emulator 601 is connected to the hardware platform 602 , and the hardware platform 602 is connected to the sensor 603 .

In order to test and develop, it is necessary to download the corresponding code program, and the PC is connected to the hardware platform 602 through the emulator 601 . The code program required for development and testing can be downloaded to the hardware platform through the emulator 601, and the process of development and testing can be realized on the hardware platform. The PC connected to the emulator 601 realizes real-time online debugging, simulation or development work during the development and testing process. The sensor 603 is connected with the hardware platform 602 through the bus interface module. The sensor 603 detects the environment in real time, and the test information is fed back to the PC through the emulator 601 to realize the development test of the code program and the real-time monitoring of the simulation process.

For the utility model, the abundant interfaces reserved can be used to integrate a series of practical sensors such as temperature and humidity sensors, infrared sensors, vibration sensors, acceleration sensors, gyroscope sensors, pressure sensors, and illuminance sensors.

Further, the code program of the utility model adopts an open source system code. The Kaiyuan system code can realize the network connection between each node through the distributed self-organizing network technology, and form a large-scale wireless sensor network system through the transmission and reception of data by the wireless communication module of the hardware platform. The hardware platform is connected to the computer through the single-chip emulator, and the program download and online simulation can be performed, and the relevant data processing software can be run to directly understand the feedback data and current operating status of the hardware platform in the form of a graphical interface.

In this embodiment, the temperature and humidity sensor is selected as the test and development object. In order to realize the detection of the environmental temperature and humidity, it is necessary to analyze and process the data of the temperature and humidity in the measurement environment. The temperature and humidity sensor is connected with the system of the utility model.

The emulator is connected to the PC, and the PC loads the code program required for development and testing into the hardware platform through the emulator.

The utility model and the temperature and humidity sensor are put into a corresponding test environment.

The temperature and humidity sensor senses the surrounding environment information and collects the acquired information. According to the data information of the temperature and humidity of the environment collected, the corresponding test and development of the code program can be carried out.

After the debugging of the program code is completed, the development system and the matching sensors can be deployed to the corresponding location to test the test environment. Furthermore, in order to achieve different test effects, multiple deployments of the utility model can be used as a whole. In order to save space and deploy effectively at the same time, all hardware platforms can be installed on a fixed panel. When the experiment is in progress, the running results can be seen at a glance.

Above, the technical solution adopted by the utility model has high flexibility, convenient power supply, small size, and can be placed according to user needs. Users can place the hardware platform arbitrarily in the indoor and outdoor spaces they think are suitable; the system has low power consumption, and the low power consumption characteristics of the hardware platform can support the whole system to work for a long time. In addition, the use of dynamic wireless ad hoc network sensing technology provides open source codes to facilitate system maintenance and upgrades.

The basic principles, main features and advantages of the utility model are shown and described in this embodiment. The utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and explanations only illustrate the principle of the utility model. The utility model also has various upgrades and improvements without departing from the spirit and scope of the utility model. These upgrades and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (10)

1. Development system based on wireless sensor network technique, its characterized in that includes: a hardware platform and an emulator; wherein,

the hardware platform comprises: the device comprises a physical address module, a wireless communication module, an antenna module, a processor module, a memory module, a power supply module, a bus interface module, an LED module and a USB interface module; wherein,

the physical address module, the wireless communication module, the memory module, the LED module, the bus interface module and the USB interface module are respectively connected with the processor module;

the antenna module is connected with the wireless communication module;

the power module supplies power to all the power utilization modules.

2. The wireless-sensor-network-technology-based development system of claim 1, wherein the processor module employs CC430F 5137.

3. The wireless sensor network technology-based development system of claim 1, wherein the physical address module employs a 64-Bit silicon serial number chip DS2411, which is connected to the processor module via a single bus.

4. The wireless sensor network technology-based development system of claim 1, wherein the wireless communication module employs a CC1101 radio core, and is connected to the processor module through an internal data bus.

5. The wireless sensor network technology-based development system of claim 1, wherein the antenna module is connected to the processor module by a PCB matching feeder using a spiral antenna ANT-433-HESM.

6. The development system based on wireless sensor network technology as claimed in claim 1, characterized in that the memory module is connected with the processor module through an SPI interface by using a Flash memory chip M25P 80.

7. The development system based on the wireless sensor network technology as claimed in claim 1, wherein the power module adopts a DC-DC power chip TPS62730 to realize voltage stabilization output, and directly supplies power to the power utilization module after decoupling filtering.

8. The wireless sensor network technology-based development system of claim 1, wherein the LED module is connected to a processor module through a general purpose I/O port GPIO.

9. The wireless sensor network technology-based development system of claim 1, wherein the emulator is connected to the processor module through the USB interface module.

10. The wireless sensor network technology-based development system of claim 9, wherein the emulator employs a USB conversion chip FT232RL, an 8-Bit analog switch ADG715, and a tri-state buffer NC7WZ 126.

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