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Wireless sensor network node equipment and control method

A wireless sensor and network node technology, applied in radio transmission systems, transmission systems, material inspection products, etc., can solve problems such as damaging the crop growth environment, affecting the operation of agricultural machinery, and inappropriateness, achieving low software complexity and large practicality. The effect of meaning and promotional value

Active Publication Date: 2009-01-14
BEIJING RES CENT FOR INFORMATION TECH & AGRI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Solar energy equipment is large in size, and placing it in the farmland will damage the growing environment of crops and affect the operation of agricultural machinery, so it is obviously inappropriate

Method used

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  • Wireless sensor network node equipment and control method
  • Wireless sensor network node equipment and control method
  • Wireless sensor network node equipment and control method

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Embodiment Construction

[0046] The wireless sensor network node equipment and control method proposed by the present invention are described as follows in conjunction with the accompanying drawings and embodiments.

[0047] Such as figure 1 Shown is a structural block diagram of the wireless sensor network node device of the present invention, and the device includes:

[0048] The power supply U5 supplies power to each part of the device. In this embodiment, the power supply U5 adopts a battery or a battery pack;

[0049] Sensor U8 is used to collect various data. In this embodiment, the device is used for farmland information collection, so the sensor U8 used includes a soil temperature and humidity sensor, a soil conductivity sensor, a soil surface light sensor, and a field air temperature and humidity sensor;

[0050] The wireless radio frequency unit U2 communicates wirelessly with other node devices and management devices in the network;

[0051] The sensor interface unit U4 is used to connect...

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PUM

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Abstract

The invention relates to a node device and a control method of a wireless sensor network, and the node device comprises a power source, a sensor that collects data, a wireless radio frequency unit, a sensor interface unit, an intercepting unit that intercepts a time synchronizing frame from the network, a storage unit that temporally stores data, and a main control unit that cuts off the power source of the devices except the main control unit and leads the devices to rest when the time synchronizing frame is intercepted or after data is sent out, electrifies the sensor interface unit so as to implement data acquisition after reaching a preset time, and electrifies the wireless radio frequency unit and sends data to a management device after data acquisition is implemented for a plurality of times. The control method controls the node device to send data after the data acquisition is implemented for a plurality of times and to rest after a preset time. When the node device is applied into farmland information collecting, the node device saves power sources due to low power consumption mechanism, prolongs service life, and realizes synchronous resting and waking of all nodes in the sensor network.

Description

technical field [0001] The invention relates to the technical field of wireless sensor networks, in particular to wireless sensor network node equipment and a control method suitable for farmland information collection. Background technique [0002] Precision agriculture is one of the hot fields of agricultural science research in the world in recent years. The meaning of precision agriculture is to finely and accurately adjust soil and crop management measures according to the specific conditions of each operating unit in the field, and to maximize the optimization of various agricultural inputs in order to obtain the highest yield and maximum economic benefits, while protecting the agricultural ecological environment and protecting the agricultural environment. Agricultural natural resources such as land. Precision agriculture is an organic combination of existing agricultural production measures and newly developed high-tech. At present, precision agriculture is mainly ...

Claims

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Application Information

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IPC IPC(8): G01N33/24H04B7/00
CPCY02D30/70
Inventor 赵春江张瑞瑞陈立平徐刚
Owner BEIJING RES CENT FOR INFORMATION TECH & AGRI
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