CN202661192U - Wireless temperature measurement system of internet of things and based on ZigBee technique - Google Patents
Wireless temperature measurement system of internet of things and based on ZigBee technique Download PDFInfo
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- CN202661192U CN202661192U CN 201220288620 CN201220288620U CN202661192U CN 202661192 U CN202661192 U CN 202661192U CN 201220288620 CN201220288620 CN 201220288620 CN 201220288620 U CN201220288620 U CN 201220288620U CN 202661192 U CN202661192 U CN 202661192U
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Abstract
The utility model relates to a wireless temperature measurement system and belongs to the technical field of wireless communication devices. The wireless temperature measurement system of the internet of things and based on a ZigBee technique adopts a star-shaped structure and comprises a coordinator node and a terminal node, the terminal node uses a digital temperature sensor to collect temperature information, the temperature information is sent to a microcontroller to conduct first treatment, the temperature information and information at the sending end are transmitted to the coordinator node through an RF radio frequency antenna integrated in a chip of the microcontroller, the coordinator node transmits all received information to a personal computer (PC), and the PC displays the information to users through a temperature display interface. The wireless temperature measurement system of the internet of things adopts a wireless temperature collection and transmission technique, is convenient to erect and easy to use and maintain, and can collect temperature values at any point in the object to be measured.
Description
Technical field
The utility model relates to the wireless temperature measuring system, belongs to the Wireless Telecom Equipment technical field.
Background technology
Along with the continuous progress of modern industry automatic technology, the development of ZigBee wireless communication technology is increasingly mature, and it is widely used in wireless senser and measures the various fields such as network, industrial or agricultural monitoring, intelligent transportation, Smart Home.The low-power consumption of ZigBee wireless communication technology, short distance, low cost, the characteristics such as arrange net flexibly needing to be very suitable for Automatic continuous image data, local distribution measuring, the measurement occasion processed of networking data on a large scale.Traditional wired temperature acquisition system, wiring numerous and complicated, system are aging easily, and cost is high, and very flexible does not have mobility.
Summary of the invention
The purpose of this utility model is to solve the weak point that above-mentioned prior art exists, provide a kind of and conveniently set up, be easy to operation and maintenance, the temperature value at place, arbitrfary point in the object to be measured can be realized gathering, and the Internet of Things wireless temperature measuring system based on ZigBee technology of the temperature value that collects can be shown to user side.
The utility model is achieved through the following technical solutions:
A kind of Internet of Things wireless temperature measuring system based on ZigBee technology, its special character is that this system adopts hub-and-spoke configuration, comprise coordinator node 2 and terminal node 1, terminal node 1 utilizes digital temperature sensor 4 collecting temperature information, temperature information is delivered microcontroller 5 carry out rough handling, send the information of temperature information and transmitting terminal to coordinator node 2 by RF radio-frequency antenna integrated in microcontroller 5 chips, all information that coordinator node 2 will receive send PC 6 to, and PC 6 is shown to the user with information exchange excess temperature display interface 3;
Described digital temperature sensor 4 adopts the DS18B20 temperature sensor;
Described microcontroller 5 adopts the CC2480 controller.
Internet of Things wireless temperature measuring system of the present utility model, adopt the wireless temperature acquisition transmission technology, not only conveniently set up, be easy to operation and maintenance, and can realize gathering the temperature value at place, arbitrfary point in the object to be measured, so just reduce staff's hazard to person, taken a risk just can collect on-the-spot temperature without them.
Description of drawings
Fig. 1: the utility model is based on the Internet of Things wireless temperature measuring system system chart of ZigBee technology;
Fig. 2: terminal node system diagram of the present utility model;
Fig. 3: receiving unit system chart of the present utility model;
Fig. 4: system of the present utility model general flow chart.
Among the figure: 1, terminal node, 2, coordinator node, 3, the temperature display interface, 4, digital temperature sensor, 5, microcontroller, 6, PC.
Embodiment
Provide embodiment of the present utility model below with reference to accompanying drawing, be used for formation of the present utility model is described in further detail.
Present embodiment is based on the Internet of Things wireless temperature measuring system of ZigBee technology, adopt hub-and-spoke configuration, comprise coordinator node 2 and terminal node 1, terminal node 1 utilizes digital temperature sensor 4 collecting temperature information, temperature information is delivered microcontroller 5 carry out rough handling, send the information of temperature information and transmitting terminal to coordinator node 2 by RF radio-frequency antenna integrated in microcontroller 5 chips, all information that coordinator node 2 will receive send PC 6 to, and PC 6 is shown to the user with information exchange excess temperature display interface 3; Described digital temperature sensor 4 adopts the DS18B20 temperature sensor; Described microcontroller 5 adopts the CC2480 controller.
Because dividing according to function, the ZigBee-network node can be divided into terminal node, router node and coordinator node.Wherein, coordinator node is responsible for initiating and safeguarding a wireless network, and the equipment in the recognition network adds network; Router node supporting network link structure is finished the forwarding of packet; Terminal node is percipient and the executor of network, is responsible for data acquisition and executable network action.This just requires the ZigBee-network node need play the part of terminal percipient, network support person, 3 kinds of roles of network coordination person.In the present embodiment, consider various limitations, adopt hub-and-spoke configuration, whole system has several terminal nodes, and a coordinator node does not have routing node.Terminal node radios to coordinator node with the temperature information that collects, coordinator node is in charge of all terminal nodes that are attached thereto, be responsible for it networking, acceptance is from the information of temperature information and the terminal node of terminal node, and send all information to PC, be shown to the user.For some control system, thereby PC can also be made different control for different applicable cases analyses.
Terminal node utilizes digital temperature sensor DS18B20 collecting temperature information, temperature information is delivered microcontroller CC2480 carry out rough handling, send the information of temperature information and transmitting terminal to coordinator node by RF radio-frequency antenna integrated in the CC2480 chip.Mainly contain 3 modules on the function: temperature collect module, microcontroller module, wireless communication module.The effect of modules is as follows:
A) temperature collect module is realized collecting temperature information from environment.Because analog temperature sensor precision integrated in the CC2480 chip is not high, need manual calibration, so present embodiment adopts digital temperature sensor DS18B20 and CC2480 to realize the temperature sensing application, temperature inversion, the required energy such as read and provided by bus, need not external power supply.Use DS18B20 can save system resource, make system architecture simpler, reliability is higher, and is more energy-conservation, more is applicable to the long-time temperature monitoring in the gradual place of temperature.
B) the microcontroller module realizes sending to coordinator node to the pre-service of temperature information and with temperature information.Microcontroller is based on the CC2480 chip that TI company produces.The CC2480 chip is embedded in the 8051 microcontrollers nuclear of high-performance and low-power consumption, the integrated RF radio transceiver chip that meets the 2.4GHz frequency range of IEEE802.15.4/Zig-Bee standard, also integrated 12 analog to digital conversion ADC module, have battery detecting and temperature sensing function, have the abundant interface resources such as serial ports.It can simplified design, shortens the development time.The CC2480 wireless module mainly is comprised of power supply, reset circuit, serial ports connecting circuit and wireless transceiver circuit.The RS232 level of Transistor-Transistor Logic level and PC is not compatible, so when sending data, the RS232 serial data is Transistor-Transistor Logic level through MAX232 with level conversion, again by the CC2480 wireless transmission.Receive data then is the inverse process that sends data, and CC2480 receives first data-signal, then through MAX232 Transistor-Transistor Logic level is converted to the fiduciary level of RS232, inputs data by RS232 to host computer again.
C) Design of System Software mainly comprises several aspects: the functional module Driver Design in each node, system group network program design, coordinator node and host computer Communication Programming.In whole system, each node is to have used Zigbee protocol, in Zigbee protocol, manufacturer provides numerous functions: comprise New-deployed Network, equipment adds and deviated from network, sends the networked beacons frame, seek father node and child node, bag etc. transmits and receive data.The main function of whole system comprises principal function, temperature survey, wireless networking and communication functions.The general flow chart of system as shown in Figure 4, when system begins, telegon is initialization at first, telegon comprises all-network information, it is responsible for sending networked beacons, set up network, wait for the adding of terminal node, begin to seek the telegon on the allocated channel after the terminal node initialization, and send request, after connecting, terminal node can obtain the corresponding network address, and sending temperature information to coordinator node, coordinator node is received temperature information, and data message is processed then issue host computer.
The Internet of Things wireless temperature measuring system of present embodiment, adopt the wireless temperature acquisition transmission technology, not only conveniently set up, be easy to operation and maintenance, and can realize gathering the temperature value at place, arbitrfary point in the object to be measured, so just reduce staff's hazard to person, taken a risk just can collect on-the-spot temperature without them.
The unspecified content of the utility model is prior art, and those skilled in the art can obtain to inspire from present embodiment and prior art, is out of shape to obtain other embodiment.Therefore, protection domain of the present utility model should be determined according to the protection domain of claim.
Claims (3)
1. Internet of Things wireless temperature measuring system based on ZigBee technology, it is characterized in that this system adopts hub-and-spoke configuration, comprise coordinator node (2) and terminal node (1), terminal node (1) utilizes digital temperature sensor (4) collecting temperature information, temperature information is delivered microcontroller (5) carry out rough handling, send the information of temperature information and transmitting terminal to coordinator node (2) by RF radio-frequency antenna integrated in microcontroller (5) chip, all information that coordinator node (2) will receive send PC (6) to, and PC (6) is shown to the user with information exchange excess temperature display interface (3).
2. described a kind of Internet of Things wireless temperature measuring system based on ZigBee technology according to claim 1 is characterized in that described digital temperature sensor (4) adopts the DS18B20 temperature sensor.
3. described a kind of Internet of Things wireless temperature measuring system based on ZigBee technology according to claim 1 is characterized in that described microcontroller (5) adopts the CC2480 controller.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220288620 CN202661192U (en) | 2012-06-12 | 2012-06-12 | Wireless temperature measurement system of internet of things and based on ZigBee technique |
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| CN 201220288620 CN202661192U (en) | 2012-06-12 | 2012-06-12 | Wireless temperature measurement system of internet of things and based on ZigBee technique |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105204A (en) * | 2013-01-18 | 2013-05-15 | 中国计量学院 | Refrigerator wireless energy efficiency test system based on ZigBee technology |
| CN103728051A (en) * | 2013-11-15 | 2014-04-16 | 成都市宏山科技有限公司 | Busbar joint temperature rise monitoring device based on ZigBee |
| CN107578787A (en) * | 2017-08-15 | 2018-01-12 | 上海斐讯数据通信技术有限公司 | Control method, device and computer-processing equipment based on ZigBee |
| CN110610321A (en) * | 2019-09-19 | 2019-12-24 | 四川电力设计咨询有限责任公司 | Intelligent auxiliary control system based on Internet of things and event classification processing mechanism |
-
2012
- 2012-06-12 CN CN 201220288620 patent/CN202661192U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105204A (en) * | 2013-01-18 | 2013-05-15 | 中国计量学院 | Refrigerator wireless energy efficiency test system based on ZigBee technology |
| CN103728051A (en) * | 2013-11-15 | 2014-04-16 | 成都市宏山科技有限公司 | Busbar joint temperature rise monitoring device based on ZigBee |
| CN107578787A (en) * | 2017-08-15 | 2018-01-12 | 上海斐讯数据通信技术有限公司 | Control method, device and computer-processing equipment based on ZigBee |
| CN110610321A (en) * | 2019-09-19 | 2019-12-24 | 四川电力设计咨询有限责任公司 | Intelligent auxiliary control system based on Internet of things and event classification processing mechanism |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180702 Address after: 264000 Mingda West Road, Laishan District, Yantai, Shandong Province, No. 11 Patentee after: Shandong Aioute Investment Group Limited Address before: 264000 133 Ying Chun street, Laishan District, Yantai, Shandong. Patentee before: YANTAI HUITONG NETWORK TECHNOLOGY CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20190612 |