CN216391429U - Intelligent hydrological data acquisition system based on WSN - Google Patents
Intelligent hydrological data acquisition system based on WSN Download PDFInfo
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- CN216391429U CN216391429U CN202123048843.3U CN202123048843U CN216391429U CN 216391429 U CN216391429 U CN 216391429U CN 202123048843 U CN202123048843 U CN 202123048843U CN 216391429 U CN216391429 U CN 216391429U
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Abstract
The utility model provides an intelligent hydrological data acquisition system based on a WSN (wireless sensor network), which comprises an intelligent hydrological data acquisition device A, an intelligent hydrological data acquisition device B and a control center PC; the intelligent hydrological data acquisition device B comprises a ZigBee module, a relay control module, a hydrological data acquisition sensor and a radio frequency transceiver module, wherein the relay control module, the hydrological data acquisition sensor and the radio frequency transceiver module are all in communication connection with the ZigBee module; the intelligent hydrological data acquisition device A comprises a UART communication module, a ZigBee module, a radio frequency transceiving module, a relay control module and a hydrological data acquisition sensor, wherein the UART communication module, the radio frequency transceiving module, the relay control module and the hydrological data acquisition sensor are all in communication connection with the ZigBee module, and the UART communication module is in communication connection with a control center PC; the intelligent hydrological data acquisition device B is in communication connection with the intelligent hydrological data acquisition device A through the relay node. The hydrological data acquisition system provided by the utility model is low in cost, safe and reliable.
Description
Technical Field
The utility model belongs to the technical field of ecological hydrology, and particularly relates to an intelligent hydrology data acquisition system based on a WSN (wireless sensor network).
Background
At present, a hydrological monitoring system mainly adopts a real-time acquisition method under the condition of wired infrastructure, and intelligent and automatic data acquisition cannot be realized. Meanwhile, each acquisition node in the existing hydrological monitoring system is communicated by depending on a field bus system, and for a target area, wiring and other work are required, so that the construction time is long, the ecological environment is influenced, the later maintenance and the upgrading are not facilitated, and the existing hydrological monitoring system obviously cannot well adapt to the current application requirements. Along with the national importance on development directions such as information acquisition cost, convenience and safety, the hydrologic monitoring field also has a higher target, so a wireless, intelligent, low-cost, convenient to use, safe and reliable hydrologic monitoring design idea comes into play. With the rapid development of wireless network technology and the improvement of management requirements, wireless intelligent hydrological monitoring systems based on Wireless Sensor Networks (WSNs) are imperative.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an intelligent hydrological data acquisition system based on a WSN (wireless sensor network), aiming at the defects of the prior art, and the specific scheme is as follows:
an intelligent hydrological data acquisition system based on a WSN (wireless sensor network) comprises an intelligent hydrological data acquisition device A, a plurality of intelligent hydrological data acquisition devices B and a control center PC, wherein the intelligent hydrological data acquisition devices A, the plurality of intelligent hydrological data acquisition devices B and the control center PC are matched for use; the intelligent hydrological data acquisition device B comprises a ZigBee module, a relay control module, a hydrological data acquisition sensor and a radio frequency transceiver module, and the relay control module, the hydrological data acquisition sensor and the radio frequency transceiver module are all in communication connection with the ZigBee module; the intelligent hydrological data acquisition device A comprises a UART communication module, a ZigBee module, a radio frequency transceiving module, a relay control module and a hydrological data acquisition sensor, wherein the UART communication module, the radio frequency transceiving module, the relay control module and the hydrological data acquisition sensor are all in communication connection with the ZigBee module, and the UART communication module is also in communication connection with a control center PC; and the intelligent hydrological data acquisition devices B are in communication connection with the intelligent hydrological data acquisition devices A through relay nodes.
Based on the above, the ZigBee module in the intelligent hydrology data acquisition device B or the intelligent hydrology data acquisition device a controls the relay control module through its own power supply control interface, and the power supply interface on-off control of the hydrology data acquisition sensor is realized by using a method of controlling strong current by weak current, the data acquisition interface of the hydrology data acquisition sensor is connected with the data transceiver interface of the ZigBee module, and the radio frequency transceiver interface of the ZigBee module is connected with the radio frequency transceiver module.
Based on the above, the core chip and the protocol in the ZigBee module respectively adopt a CC2530 chip and a Zstack protocol stack.
Based on the above, the hydrological data sensor includes temperature sensor, humidity sensor, flow sensor, rain sensor and PH sensor.
Compared with the prior art, the utility model has substantive characteristics and progress, and particularly has the following advantages:
the utility model adopts the wireless hydrological data acquisition system of the ZigBee module (CC 2530 chip), the wireless information receiving and transmitting expansion circuit and the hydrological acquisition sensor to acquire hydrological data, and has the following advantages:
(1) low power consumption, low cost: because the ZigBee (WSN (a technology in the WSN) is adopted in the technology, the transmission rate is low, the transmission power is only 1-2 mW, and a sleep mode is adopted, the power consumption is low, so that the ZigBee equipment is very power-saving, according to estimation, the ZigBee equipment can maintain the service time of about 6 months to 2 years only by two No. 5 batteries, the other wireless equipment is seriously expected to have dust, the initial cost of a single ZigBee module is about 15 yuan, the ZigBee protocol is free of special fees, and the low cost is also a key factor for the ZigBee;
(2) high reliability: a collision avoidance strategy is adopted, a special time slot is reserved for a communication service needing a fixed bandwidth, competition and collision of transmitted data are avoided, a completely confirmed data transmission mode is adopted by an MAC layer, each transmitted data packet must wait for confirmation information of a receiver, retransmission can be carried out if a problem occurs in the transmission process, a WSN (wireless sensor network) is a node peer-to-peer network, each node has a routing function, no strict central control node exists in the network, the work expansion of the WSN does not depend on any preset network infrastructure, and the nodes can quickly and automatically form an independent network through self-coordination and automatic arrangement after being started;
(3) the expandability is good: the ZigBee network is a dynamic network, nodes in the network can quit or join the network for various reasons at any time, and at the moment, the original ZigBee network can effectively contain or reject the changed nodes, so that a new network is quickly formed and the original operation is continued without external help;
(4) the intelligence (programmability) is good: the utility model adopts a combined mode of a ZigBee module (CC 2530 chip), a wireless information receiving and transmitting expansion circuit and a hydrological acquisition sensor to realize a wireless hydrological data acquisition system; in addition, the CC2530 chip has the advantages of strong programmability, high processing speed and the like, and can improve the intelligence and the autonomous decision-making capability of the acquisition system in the data acquisition process when being applied to the hydrologic data acquisition system.
Drawings
Fig. 1 is a structure and an interaction flow chart of each element of the wireless intelligent hydrological data acquisition device.
Fig. 2 is a topological structure of the communication network of the intelligent hydrological data acquisition device of the utility model.
Fig. 3 is a drawing of a circuit design scheme of an intelligent hydrological data acquisition device B which is not connected with a control center in the utility model.
Fig. 4 is a circuit diagram of the intelligent hydrological data acquisition device a connected with a control center according to the present invention.
In the figure: 1. a data transceiving interface; 2. a ZigBee module; 3. a relay middle control module; 4. a radio frequency transceiver module; 7. hydrology data acquisition sensor.
Detailed Description
The technical solution of the present invention is further described in detail by the following embodiments.
Examples
As shown in fig. 1-4, the utility model provides an intelligent hydrographic data acquisition system based on a WSN, which comprises an intelligent hydrographic data acquisition device a, a plurality of intelligent hydrographic data acquisition devices B and a control center PC.
The intelligent hydrology data acquisition device B comprises a ZigBee module 2, a relay control module 3, a hydrology data acquisition sensor 7 and a radio frequency transceiver module 4, and the relay control module 3, the hydrology data acquisition sensor 7 and the radio frequency transceiver module 4 are in communication connection with the ZigBee module 2.
The intelligent hydrology data acquisition device A comprises a UART communication module, a ZigBee module 2, a radio frequency transceiver module 4, a relay control module 3 and a hydrology data acquisition sensor 7, wherein the UART communication module, the radio frequency transceiver module 4, the relay control module 3 and the hydrology data acquisition sensor 7 are in communication connection with the ZigBee module 2, and the UART communication module is further in communication connection with a control center PC.
The intelligent hydrological data acquisition device A is a hydrological data acquisition device and is also a bridge for collecting hydrological data of the whole network.
And the intelligent hydrological data acquisition devices B are in communication connection with the intelligent hydrological data acquisition devices A through relay nodes.
It should be noted that the relay node employs an intelligent hydrologic data acquisition device B.
The intelligent hydrology data acquisition device B or the intelligent hydrology data acquisition device A is characterized in that the ZigBee module 2 controls the relay control module 3 through a power supply control interface of the intelligent hydrology data acquisition device B or the intelligent hydrology data acquisition device A, the power supply interface of the hydrology data acquisition sensor 7 is controlled to be on or off by a method of controlling strong current through weak current, the data acquisition interface of the hydrology data acquisition sensor 7 is connected with the data transceiving interface 1 of the ZigBee module 2, and the radio frequency transceiving interface of the ZigBee module 2 is connected with the radio frequency transceiving module 4.
It should be noted that the core chip and the protocol in the ZigBee module 2 respectively use a CC2530 chip and a Zstack protocol stack.
The hydrological data sensor comprises a temperature sensor, a humidity sensor, a flow sensor, a rainwater sensor and a PH sensor.
The utility model has the specific working principle that:
step 1: the intelligent hydrological data acquisition device B writes an intelligent strategy of the ZigBee module 2 through programming, and determines which control strategy to execute by judging environmental conditions;
step 2: on the basis of the step 1, the ZigBee module 2 outputs a control signal to the relay control module 3 according to a control strategy, and the relay control module 3 realizes on-off control of a power supply interface of the hydrological data acquisition sensor 7 by using a method of controlling strong electricity by weak electricity;
and step 3: according to the power supply on-off states of different hydrological data acquisition sensors 7 in the intelligent hydrological data acquisition device B, the hydrological data acquisition in the power supply on-off state is realized by the data receiving and transmitting interface 1 in the ZigBee module 2;
and 4, step 4: the intelligent hydrological data acquisition device B transmits the acquired hydrological data to a peripheral radio frequency transceiver module 4 through a radio frequency transceiver interface in the ZigBee module 2;
and 5: the intelligent hydrological data acquisition device B transmits acquired hydrological data to other adjacent relay nodes (other intelligent hydrological data acquisition devices B) in a self-organizing manner by utilizing the peripheral radio frequency transceiver module 4. The self-organization is an important characteristic of the ZigBee network, namely, each node can automatically search a path reaching a control center PC (intelligent hydrological data acquisition device A);
step 6: the relay node (intelligent hydrological data acquisition device B) transmits the received hydrological data to other relay nodes by utilizing a radio frequency transceiver module 4 of the relay node;
and 7: hydrologic data acquired by the intelligent hydrologic data acquisition device B is finally transmitted to a radio frequency transceiver module 4 of the intelligent hydrologic data acquisition device A;
and 8: the radio frequency transceiving module 4 of the intelligent hydrology data acquisition device A transfers data to the UART communication module by means of the UART interface of the ZigBee module 2;
and step 9: and finally, transmitting the hydrological data to the control center PC in a format which can be read by the PC by the UART communication module of the intelligent hydrological data acquisition device A.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.
Claims (4)
1. The utility model provides an intelligence hydrology data acquisition system based on WSN which characterized in that: the system comprises an intelligent hydrological data acquisition device A, a plurality of intelligent hydrological data acquisition devices B and a control center PC, which are matched for use;
the intelligent hydrological data acquisition device B comprises a ZigBee module (2), a relay control module (3), a hydrological data acquisition sensor (7) and a radio frequency transceiving module (4), wherein the relay control module (3), the hydrological data acquisition sensor (7) and the radio frequency transceiving module (4) are in communication connection with the ZigBee module (2);
the intelligent hydrological data acquisition device A comprises a UART communication module, a ZigBee module (2), a radio frequency transceiving module (4), a relay control module (3) and a hydrological data acquisition sensor (7), wherein the UART communication module, the radio frequency transceiving module (4), the relay control module (3) and the hydrological data acquisition sensor (7) are in communication connection with the ZigBee module (2), and the UART communication module is also in communication connection with a control center PC;
and the intelligent hydrological data acquisition devices B are in communication connection with the intelligent hydrological data acquisition devices A through relay nodes.
2. The intelligent WSN-based hydrological data collection system according to claim 1, wherein: the intelligent hydrology data acquisition device B or the intelligent hydrology data acquisition device A are characterized in that the ZigBee module (2) controls the relay control module (3) through a power supply control interface of the intelligent hydrology data acquisition device B or the intelligent hydrology data acquisition device A, the power supply interface of the hydrology data acquisition sensor (7) is controlled to be on or off by a method of controlling strong electricity through weak electricity, the data acquisition interface of the hydrology data acquisition sensor (7) is connected with the data receiving and transmitting interface (1) of the ZigBee module (2), and the radio frequency receiving and transmitting interface of the ZigBee module (2) is connected with the radio frequency receiving and transmitting module (4).
3. The intelligent WSN-based hydrological data collection system according to claim 1, wherein: the core chip and the protocol in the ZigBee module (2) respectively adopt a CC2530 chip and a Zstack protocol stack.
4. The intelligent WSN-based hydrological data collection system according to claim 1, wherein: the hydrological data sensor comprises a temperature sensor, a humidity sensor, a flow sensor, a rainwater sensor and a PH sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123048843.3U CN216391429U (en) | 2021-12-07 | 2021-12-07 | Intelligent hydrological data acquisition system based on WSN |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123048843.3U CN216391429U (en) | 2021-12-07 | 2021-12-07 | Intelligent hydrological data acquisition system based on WSN |
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| CN216391429U true CN216391429U (en) | 2022-04-26 |
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