CN203786552U - Sensor data acquisition system based on Internet of things - Google Patents
Sensor data acquisition system based on Internet of things Download PDFInfo
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- CN203786552U CN203786552U CN201420201014.5U CN201420201014U CN203786552U CN 203786552 U CN203786552 U CN 203786552U CN 201420201014 U CN201420201014 U CN 201420201014U CN 203786552 U CN203786552 U CN 203786552U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model relates to the data acquisition and transmission technology and discloses a sensor data acquisition system based on the Internet of things. The sensor data acquisition system based on the Internet of things comprises a data receiving terminal, an Ethernet controller, an ARM processor, a wireless center node, a wireless terminal node and a data acquisition terminal. The data receiving terminal is connected with the Ethernet controller, the Ethernet controller is connected with the ARM processor, and the ARM processor is connected with the wireless center node through a serial port to transmit data; the wireless terminal node comprises a Zigbee communication module and a microstrip antenna, and the wireless terminal node is connected with the data acquisition terminal through a serial port to transmit the data; the wireless center node comprises a Zigbee communication module and a microstrip antenna, and the wireless terminal node and the wireless center node transmit the data through a Zigbee wireless network. The Zigbee technology is adopted for the sensor data acquisition system to achieve wireless transmission of the data, and cost is lowered by optimizing a system structure.
Description
Technical field
The utility model relates to data acquisition and transmission technology, particularly a kind of sensor data acquisition system based on Internet of Things.
Background technology
Traditional data acquisition system (DAS), as safety protection field, information center's data monitoring field, industrial automatic control field, the fields such as agriculture and forestry, fishing animal husbandry, the data collection station that has thousands of sensor (or inductor), controller, monitor, card reader etc. to form, all carries out data transmission and data management by RS-232 serial communication or RS-485/42 bus communication and host computer.Along with the development of social demand, the increasing number of sensors rapid development of system scale, requires to provide more stable system, the system of larger data traffic.The available data acquisition system number of nodes that accesses terminal is few, and communication distance is shorter, and communication mode is all wire transmission, cause wiring complicated, and power consumption is higher, adds and deletion of node complexity, is not easy to expand construction platform complicated and time consumption.Existing RS-232 serial communication, RS-485/422 bus communication can not meet the demand of System Development.
Aspect Wireless Data Transmission, the Radio Transmission Technology such as prior art adopts Wifi more, bluetooth.Use the shortcoming of WiFi to comprise that power consumption is large, cost is high, protocol overhead is large, need access point, mostly apply all in notebook computer now.And Bluetooth technology is better than Wifi in power consumption and cost, but cost is higher and access node can only reach 8, can not realize the blueteeth network of a local.
In sum, prior art data acquisition system (DAS) is along with the expansion of system scale, and the problem of existence becomes increasingly conspicuous, and is mainly that cost is high, and power consumption is large, and number of access point is restricted, demand that can not adapt to development.
Utility model content
Technical problem to be solved in the utility model, is just to provide a kind of sensor data acquisition system based on Internet of Things, adopts ZigBee technology to realize the wireless transmission of data, and by optimization system Structure Decreasing cost.
The technical scheme that the utility model solve the technical problem employing is, based on the sensor data acquisition system of Internet of Things, comprise data receiving terminal, ethernet controller, arm processor, wireless center node, wireless terminal node and data collection station, described data receiving terminal is connected with ethernet controller, described ethernet controller is connected with arm processor, described arm processor is connected transmission data with wireless center node by serial ports, it is characterized in that, described wireless terminal node comprises Zigbee communication module and microstrip antenna, described wireless terminal node is connected transmission data with data collection station by serial ports, described wireless center node comprises Zigbee communication module and microstrip antenna, and described wireless terminal node and wireless center node are by Zigbee wireless network transmissions data.
In the technical solution of the utility model, each wireless terminal node can connect multiple data collection stations by serial ports, can realize the switching of serial transmission mode by easy configuration, and support multiple different serial line interfaces, further expand power system capacity.Wireless terminal node and wireless center node composition Zigbee network transmission number in system, network construction form is very flexible, wireless terminal node quantity can arrive more than 60,000, and the data collection station number in system just can be very much like this, can form huge data acquisition system (DAS).Because quantity is huge, adopt microstrip antenna to coordinate and can reduce deployment cost with Zigbee communication module, and improve transmission range.
Concrete, described Zigbee communication module frequency of operation is 2.4GHz.
Concrete, described Zigbee communication module adopts CC2530 chip to form.
These the beneficial effects of the utility model are, realize data acquisition in conjunction with Ethernet and ZigBee technology, communication mode is various, be easy to peripheral circuit expansion, on the basis of improving communication distance, also expanded network capacity, interpolation or deletion of node are also very convenient, particularly adopt microstrip antenna as Zigbee communication antenna, not only reduced node cost, and microstrip antenna is convenient to installation and conformal with product casing, saving system configuration space and installation cost.
Brief description of the drawings
Fig. 1 is the system architecture schematic diagram of embodiment;
Fig. 2 is the wireless terminal node structural representation of embodiment.
Embodiment
Below in conjunction with drawings and Examples, describe the technical solution of the utility model in detail.
In order to overcome the shortcoming of prior art, the utility model is realized data acquisition and transmission in conjunction with ripe Ethernet and ZigBee technology.Transmission network is mainly made up of Zigbee wireless-transmission network and wire transmission network, utilize Zigbee wireless network be mainly overcome that RS485/422 network node is few, wiring trouble, high in cost of production shortcoming.Wireless terminal node is communicated by letter with data collection station and is adopted universal serial port (as RS232, RS485/422 etc.), can realize the switching of serial transmission mode by easy configuration, and support multiple different serial line interfaces, further expanded network capacity.Data acquisition system (DAS) of the present utility model is installed simply easy to use, as long as there is the platform of Ethernet, can also realize wireless collection and the control quickly and easily of mobile phone or mobile terminal.
ZigBee-network technology is the wireless-transmission network technology of a kind of short distance, low-power consumption, low data rate, low cost, low complex degree, has power saving, simple, cost low feature again, and has increased logical network, network security and application layer.The transmission bandwidth of ZigBee wireless-transmission network is applicable to sensor data acquisition and controls the transmission of data very much.ZigBee wireless network can be set up large scale network, network node capacity reaches 65000, can configure a large amount of wireless terminal nodes, and each wireless terminal node can connect multiple data collection stations by serial ports, there is very powerful data collection station networking advantage.Be applicable to very much the development trend of large-scale data acquisition system.
Embodiment
The sensor data acquisition system of this example based on Internet of Things, structure as shown in Figure 1, comprises data receiving terminal, ethernet controller, arm processor, wireless center node, wireless terminal node and data collection station.Data receiving terminal can be the network equipment that computing machine etc. has Data Collection, processing power conventionally, is connected arm processor and received the data of wireless center node transmission by ethernet controller.Arm processor is connected transmission data with wireless center node by serial ports.This routine wireless terminal node comprises serial communication modular, Zigbee communication module and microstrip antenna, as shown in Figure 2.This serial communication modular just can be realized the switching of serial transmission mode by easy configuration, and supports multiple different serial communications, can connect different data collection stations.This routine wireless terminal node and wireless center node all comprise Zigbee communication module and microstrip antenna, Zigbee communication module is operated in the ISM band that frequency is 2.4GHz, the chip model adopting is CC2530, maximum feature is low in energy consumption, under receiving mode, electric current is 24mA, under transmission mode, electric current is 24mA, and under low-power consumption mode, electric current is only 0.4 μ A, and performance is much better than other radio frequency chips.Because microstrip antenna is one ultrathin antenna cheaply, can be produced on very easily on product casing, coplanar with product casing.Not only can improve transmitting range, and installation configuration is very convenient.In the utility model system, wireless terminal node and wireless center node can be regarded the network node in logical Zigbee wireless network as, these network nodes can be communicated and be transmitted data by MANET mode, also can in Zigbee wireless network, set via node, carry out data communication and transmission.In this example, each wireless terminal node can connect 1 above data collection station, adds a considerable number of wireless terminal node, and the data acquisition scale of this system is very large, can meet the different demands in industrial and agricultural production field.This routine arm processor adopts the embedded microcontroller that model is STM32F103, has cost feature low, low in energy consumption, and frequency of operation can reach 72MHz.Ethernet controller adopts the low-power chip that model is ENC28J60, supports four road IO to control, and can control by webpage control or TCP, and the data that acquisition terminal gathers can show at webpage or client.Can be by information such as webpage or client configuration IP, baud rates, after disconnecting, network enabled from being dynamically connected, ensures the reliability that network connects.
Claims (3)
1. the sensor data acquisition system based on Internet of Things, comprise data receiving terminal, ethernet controller, arm processor, wireless center node, wireless terminal node and data collection station, described data receiving terminal is connected with ethernet controller, described ethernet controller is connected with arm processor, described arm processor is connected transmission data with wireless center node by serial ports, it is characterized in that, described wireless terminal node comprises Zigbee communication module and microstrip antenna, and described wireless terminal node is connected transmission data with data collection station by serial ports; Described wireless center node comprises Zigbee communication module and microstrip antenna, and described wireless terminal node and wireless center node are by Zigbee wireless network transmissions data.
2. the sensor data acquisition system based on Internet of Things according to claim 1, is characterized in that, described Zigbee communication module frequency of operation is 2.4GHz.
3. the sensor data acquisition system based on Internet of Things according to claim 1, is characterized in that, described Zigbee communication module adopts CC2530 chip to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420201014.5U CN203786552U (en) | 2014-04-23 | 2014-04-23 | Sensor data acquisition system based on Internet of things |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420201014.5U CN203786552U (en) | 2014-04-23 | 2014-04-23 | Sensor data acquisition system based on Internet of things |
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| CN203786552U true CN203786552U (en) | 2014-08-20 |
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| CN201420201014.5U Expired - Fee Related CN203786552U (en) | 2014-04-23 | 2014-04-23 | Sensor data acquisition system based on Internet of things |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105425758A (en) * | 2015-12-31 | 2016-03-23 | 徐州工程学院 | Novel agricultural monitoring system |
| CN106302053A (en) * | 2016-09-14 | 2017-01-04 | 芜湖扬展新材料科技服务有限公司 | A kind of intelligent homehousehold data acquisition system based on Internet of Things |
-
2014
- 2014-04-23 CN CN201420201014.5U patent/CN203786552U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105425758A (en) * | 2015-12-31 | 2016-03-23 | 徐州工程学院 | Novel agricultural monitoring system |
| CN106302053A (en) * | 2016-09-14 | 2017-01-04 | 芜湖扬展新材料科技服务有限公司 | A kind of intelligent homehousehold data acquisition system based on Internet of Things |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20150423 |
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| EXPY | Termination of patent right or utility model |