CN210667307U - Experimental equipment based on NB-IoT communication technology - Google Patents
Experimental equipment based on NB-IoT communication technology Download PDFInfo
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- CN210667307U CN210667307U CN201920787439.1U CN201920787439U CN210667307U CN 210667307 U CN210667307 U CN 210667307U CN 201920787439 U CN201920787439 U CN 201920787439U CN 210667307 U CN210667307 U CN 210667307U
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Abstract
The utility model discloses an experimental facilities based on NB-IoT communication technology, including NB-IoT node, sensor and response module, NB-IoT node is including the NB-IoT terminal node that is used for NB-IoT protocol development, be used for cooperating the NB-IoT development board that sensor and response module used, sensor and response module and the NB-IoT development board electric connection that is used for cooperating sensor and response module to use, an NB-IoT terminal node for NB-IoT protocol development, an NB-IoT development board that is used for cooperating sensor and response module to use is used for sending data to NB-IoT local server through cloud server. The utility model discloses both satisfied the demand of scientific research, accorded with the application needs of teaching again, stand-by time is long, more is suitable for NB-IoT communication technology's experiment, real standard.
Description
Technical Field
The utility model relates to an experimental facilities based on NB-IoT communication technology.
Background
Mobile communication is moving from person-to-person connections to person-to-object and object-to-object connections, and everything interconnection is a necessary trend. However, the current 4G networks have insufficient capacity in connecting objects to each other. In fact, compared with short-distance communication technologies such as bluetooth and ZigBee, the mobile cellular network has the characteristics of wide coverage, mobility, large connection and the like, can bring richer application scenarios, and is supposed to become a main connection technology of the internet of things. As an LTE evolution technology, 4.5G has a peak rate as high as 1Gbps, and also means that more connections based on a cellular internet of things support massive M2M connections and lower latency, and applications of boost high-definition video, VoLTE, internet of things and the like are rapidly popularized. Cellular internet of things is opening an unprecedented market.
The future of the internet of things IoT fills imagination space. It was thought that by 2025 there would be 1000 billion connections worldwide, most of which are related to the internet of things. The requirement of the internet of things on connection is quite different from that of the traditional cellular network, and the NB-IoT of the narrowband cellular internet of things arises from this.
The Narrow-Band Internet of Things (Narrow Band Internet of Things) based on cellular becomes an important branch of the Internet of everything. The NB-IoT is constructed in a cellular network, only consumes about 180KHz of bandwidth, and can be directly deployed in a GSM network, a UMTS network or an LTE network so as to reduce the deployment cost and realize smooth upgrading. The NB-IoT has four characteristics: the method has the advantages that firstly, the wide coverage is realized, improved indoor coverage is provided, and the NB-IoT has 20dB gain compared with the existing network under the same frequency band, and the coverage area is enlarged by 100 times; secondly, the system has the capacity of supporting massive connections, one NB-IoT sector can support 10 ten thousand connections, and the system supports low delay sensitivity, ultralow equipment cost, low equipment power consumption and optimized network architecture; thirdly, the power consumption is lower, and the standby time of the NB-IoT terminal module can be as long as 10 years; fourth, lower module cost, enterprise expects a single contiguous module to exceed $ 5. With the coming of smart cities and big data times, the wireless communication must realize the connection of everything. A large number of object-to-object connections have emerged, however, these connections are mostly carried over short-range communication technologies such as bluetooth, Wi-Fi, etc., but not over operator mobile networks. In order to meet different service requirements of the internet of things, according to service characteristics of the internet of things and characteristics of a mobile communication network, 3GPP develops technical research for enhancing functions of the mobile communication network according to a narrow-band service application scene so as to adapt to the vigorously developed service requirements of the internet of things.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming not enough in the current product, provide an experimental facilities based on NB-IoT communication technology.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
an experimental device based on NB-IoT communication technology comprises NB-IoT nodes, sensors and a response module, wherein the NB-IoT nodes comprise NB-IoT terminal nodes used for NB-IoT protocol development and NB-IoT development boards used for cooperating with the sensors and the response module, the sensors and the response module are electrically connected with the NB-IoT development boards used for cooperating with the sensors and the response module, and the NB-IoT terminal nodes used for NB-IoT protocol development and the NB-IoT development boards used for cooperating with the sensors and the response module are used for sending data to an NB-IoT local server through a cloud server.
The NB-IoT node, the sensor and the response module are all designed with low power consumption.
The sensor and response module comprises an acceleration sensor module, an illumination sensor module, an ultrasonic sensor module, a magnetic resistance sensor module, a temperature and humidity sensor module, a GPS module and a buzzer module.
The NB-IoT terminal node for developing the NB-IoT protocol, the NB-IoT development board for cooperating with the sensor and the response module comprise NB-IoT communication modules, and the NB-IoT terminal node for developing the NB-IoT protocol, the NB-IoT development board for cooperating with the sensor and the response module all send data to the NB-IoT local server through the NB-IoT communication modules.
The NB-IoT terminal node for the development of the NB-IoT protocol further comprises an MCU of an ARM Cortex M0 core, a power module, a USB interface and a button cell slot, wherein the USB interface is used for data transmission and power supply, and the button cell slot is used for installing a button cell.
The NB-IoT development board used for being matched with the sensor and the response module further comprises an MCU of an ARM Cortex M0 core, a power supply module, an LED lamp module, a key module, an expansion terminal, a USB port and a power supply interface, wherein the USB port is used for data transmission and power supply, and the power supply interface is used for power supply.
The utility model has the advantages as follows: the NB-IoT node comprises an NB-IoT terminal node used for developing an NB-IoT protocol and an NB-IoT development board used for matching a sensor and a response module, the NB-IoT terminal node focuses on development and optimization of the NB-IoT protocol, and the NB-IoT development board focuses on application extension of an NB-IoT wireless communication technology, so that experimental equipment is designed into a terminal equipment mode suitable for scientific research and development and a development board mode suitable for experiment and practical training according to an impassable application focus point, thereby not only meeting the requirements of scientific research, but also meeting the application requirements of teaching; the utility model adopts the design mode of low power consumption, so that the utility model has long standby time; the utility model discloses a NB-IoT development board is used for sending data for NB-IoT local server through cloud ware directly for the system lightweight does not need huge high in the clouds service and data processing, makes this set of experimental facilities more be suitable for NB-IoT communication technology's experiment, real standard.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a system architecture diagram of an experimental facility based on NB-IoT communication technology
Detailed Description
The technical scheme of the utility model is further explained by combining the attached drawings of the specification:
as shown in fig. 1, an experimental facility based on NB-IoT communication technology includes an NB-IoT node, a sensor and a response module, where the NB-IoT node includes an NB-IoT terminal node 3 for NB-IoT protocol development, and an NB-IoT development board 4 for cooperating with the sensor and response module, the sensor and response module is electrically connected to the NB-IoT development board 4 for cooperating with the sensor and response module, and the NB-IoT terminal node 3 for cooperating with the NB-IoT protocol development and the NB-IoT development board 4 for cooperating with the sensor and response module are configured to send data to an NB-IoT local server 2 through a cloud server 1. The NB-IoT node, the sensor and the response module are all designed with low power consumption. The sensor and response module comprises an acceleration sensor module 8, an illumination sensor module 9, an ultrasonic sensor module 10, a magnetic resistance sensor module 5, a temperature and humidity sensor module, a GPS module 6 and a buzzer module 7. The NB-IoT terminal node 3 for NB-IoT protocol development and the NB-IoT development board 4 for cooperating with the sensor and the response module all comprise NB-IoT communication modules 31, and the NB-IoT terminal node 3 for NB-IoT protocol development and the NB-IoT development board 4 for cooperating with the sensor and the response module all transmit data to the NB-IoT local server through the NB-IoT communication modules 31. The NB-IoT terminal node 3 for NB-IoT protocol development further includes an MCU32 of an arm port M0 core, a power module 33, a USB interface 34, and a button cell slot 35, where the USB interface 34 is used for data transmission and power supply, and the button cell slot 35 is used for installing a button cell. The NB-IoT development board 4 for cooperating with the sensor and response module further includes an MCU32 of an ARM Cortex M0 core, a power supply module 43, an LED lamp module 44, a key module 45, an expansion terminal 46, a USB port 47, and a power supply interface 48, where the USB port 47 is used for data transmission and power supply, and the power supply interface 48 is used for power supply.
The NB-IoT development board 4 used for matching with the sensor and the response module integrates the MCU and makes interface extension on hardware resources. The development board is connected with the acceleration sensor module through the SPI communication interface; the temperature and humidity sensor and the magneto-resistive sensor are connected through an I2C communication interface; the system is connected with the ultrasonic sensor, the GPS module and the NB-IoT communication module through a UART communication interface; the device is connected with the illumination sensor through an ADC analog-to-digital sampling channel; the general I/O interface is connected with the buzzer module, and the working state of the buzzer is controlled by using the high and low level state. The sensor module can be used alone or in combination with a plurality of development boards. The acceleration sensor module supports the measurement of acceleration values of +/-2- +/-8 g; the illumination sensor module supports measurement of illumination intensity of 320-730 nm visible light wavelength; the ultrasonic sensor module supports distance measurement of 20-4500 mm; the magnetic resistance sensor module supports magnetic field intensity measurement of +/-8 Gas; the GPS module supports the acquisition of location information.
The NB-IoT node comprises an NB-IoT terminal node used for developing an NB-IoT protocol and an NB-IoT development board used for matching a sensor and a response module, the NB-IoT terminal node focuses on development and optimization of the NB-IoT protocol, and the NB-IoT development board focuses on application extension of an NB-IoT wireless communication technology, so that experimental equipment is designed into a terminal equipment mode suitable for scientific research and development and a development board mode suitable for experiment and practical training according to an impassable application focus point, thereby not only meeting the requirements of scientific research, but also meeting the application requirements of teaching; the utility model adopts the design mode of low power consumption, so that the utility model has long standby time; the utility model discloses a NB-IoT development board is used for sending data for NB-IoT local server through cloud ware directly for the system lightweight does not need huge high in the clouds service and data processing, makes this set of experimental facilities more be suitable for NB-IoT communication technology's experiment, real standard.
As shown in fig. 2, the present invention is a schematic diagram of a system architecture of an experimental device based on NB-IoT communication technology. The system mainly comprises an NB-IoT node, a mobile communication network, a cloud server, an NB-IoT local server and a WEB client. The NB-IoT node is an NB-IoT terminal node 3 for NB-IoT protocol development, and an NB-IoT development board 4 for cooperating with the sensor and the response module, the mobile communication network is a communication service provided by an operator, and the WEB client may be a computer, a mobile phone, a tablet or other communication devices.
And the NB-IoT terminal node integrates an STM32 low-power-consumption serial chip, an NB-IoT module and the like. The terminal node supports an NB-IoT communication protocol, supports a common equipment communication protocol, and provides rich expansion ports for verification and debugging of the NB-IoT protocol and corresponding development and application.
The NB-IoT terminal node integrates the MCU and the NB-IoT communication module, so that the terminal node can operate under the condition of power supply and embedded program downloading.
The NB-IoT node and a facility base station in the mobile communication network construct a wireless communication network in a star topology mode, and the effective communication distance can reach 15Km furthest. The NB-IoT node acquires sensing parameters such as temperature, humidity, magnetic field intensity and illumination intensity in a region range through the equipped sensor module.
The NB-IoT node uploads the acquired sensing parameters on the NB-IoT node to a facility base station in a mobile communication network through a wireless communication mode, and the base station transmits NB-IoT node data to a cloud server through the mobile communication network. The cloud server forwards the data corresponding to the NB-IoT node to the local server through a cloud forwarding server in the cloud server side, then the data are processed by a network server, a network control server and other servers in the NB-IoT local server and then stored in a local database, and finally the data access, query, control and other applications of an external WEB client side are realized through the WEB server.
The NB-IoT local service is internally provided with a hardware device of a WiFi AP (WiFi hotspot), so that the extension of a WiFi network is realized, and external communication devices such as computers, mobile phones and tablets access the hotspot through the WiFi network, so that the communication devices can realize application functions such as data access, query and control by opening a WEB client. The NB-IoT local server realizes the cloud-removing of the NB-IoT network, namely the cloud forwarding server in the cloud server forwards data of the NB-IoT node to the local server, so that the data is locally stored, meanwhile, the NB-IoT local server externally provides an MQTT-based API interface, and the customization function can be realized through the calling of the API. By combining the local server, the application data of the NB-IoT node can be checked at the Web client, and the API interface can be called at the Web client to realize the uplink and downlink data interaction with the NB-IoT node.
It should be noted that the above list is only one specific embodiment of the present invention. Obviously, the present invention is not limited to the above embodiments, and many modifications can be made, and in short, all modifications that can be directly derived or suggested by the person skilled in the art from the disclosure of the present invention should be considered as the protection scope of the present invention.
Claims (4)
1. An experimental facility based on NB-IoT communication technology is characterized by comprising NB-IoT nodes, sensors and response modules, wherein the NB-IoT nodes comprise NB-IoT terminal nodes (3) for NB-IoT protocol development and NB-IoT development boards (4) for cooperating with the sensors and the response modules, the sensor and response modules are electrically connected with the NB-IoT development boards (4) for cooperating with the sensors and the response modules, the NB-IoT terminal nodes (3) for NB-IoT protocol development and the NB-IoT development boards (4) for cooperating with the sensors and the response modules are used for sending data to an NB-IoT local server (2) through a cloud server (1), the NB-IoT terminal nodes (3) for NB-IoT protocol development and the NB-IoT development boards (4), The NB-IoT development board (4) used for being matched with the sensor and the response module comprises an NB-IoT communication module (31), the NB-IoT terminal node (3) used for developing the NB-IoT protocol, the NB-IoT development board (4) used for being matched with the sensor and the response module send data to an NB-IoT local server through the NB-IoT communication module (31), the NB-IoT terminal node (3) used for developing the NB-IoT protocol further comprises an MCU (32) of an ARM Cortex M0 core, a power supply module (33), a USB interface (34) and a coin cell slot (35), wherein the USB interface (34) is used for data transmission and power supply, and the coin cell slot (35) is used for accommodating a coin cell.
2. The NB-IoT communication technology-based experimental facility as in claim 1, wherein the NB-IoT nodes, sensors and response modules are all designed with low power consumption.
3. The NB-IoT communication technology-based experimental facility according to claim 1, wherein the sensor and response module comprises an acceleration sensor module (8), an illumination sensor module (9), an ultrasonic sensor module (10), a magneto-resistive sensor module (5), a temperature and humidity sensor module, a GPS module (6), and a buzzer module (7).
4. The NB-IoT communication technology-based experimental equipment as claimed in claim 1, wherein the NB-IoT development board (4) for cooperating with the sensor and response module further comprises an MCU (32) of an ARM Cortex M0 core, a power supply module (43), an LED lamp module (44), a key module (45), an expansion terminal (46), a USB port (47) and a power interface (48), wherein the USB port (47) is used for data transmission and power supply, and the power interface (48) is used for power supply.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920787439.1U CN210667307U (en) | 2019-05-28 | 2019-05-28 | Experimental equipment based on NB-IoT communication technology |
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| CN201920787439.1U CN210667307U (en) | 2019-05-28 | 2019-05-28 | Experimental equipment based on NB-IoT communication technology |
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| CN210667307U true CN210667307U (en) | 2020-06-02 |
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Effective date of registration: 20240731 Address after: Room 902, 9th Floor, Building 4, No. 735 Jianghong Road, Changhe Street, Binjiang District, Hangzhou City, Zhejiang Province, 310051 Patentee after: HANGZHOU YINGFEICHI TECHNOLOGY CO.,LTD. Country or region after: China Address before: No. 116 Chengyang Road, Xiangcheng Economic and Technological Development Zone, Suzhou City, Jiangsu Province, China 215131 Patentee before: SUZHOU HANSHE NETWORK TECHNOLOGY CO.,LTD. Country or region before: China |
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