Motion type wireless electric energy transmission system

A wireless transmission and motion technology, applied in electromagnetic wave systems, transportation and packaging, antennas, etc., can solve the problems of inability to wirelessly transmit power, limit the lifetime of wireless sensor nodes, and achieve the effect of small size and increased working time.

Inactive Publication Date: 2012-03-21
CHINA UNIV OF MINING & TECH
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AI Technical Summary

Problems solved by technology

[0002]At present, the power supply of wireless sensor nodes in wireless sensor networks is powered by batteries. Due to the limitation of battery capacity, the lifetime of wireless sensor nodes is greatly limited
The traditional wireless power transmission system mainly uses the coil electromagnetic coupling method to realize the wireless transmission of power, the effective transmission distance is only a few millimeters, and it can only be charged at rest, and cannot carry out medium-distance and sports wireless transmission.

Method used

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  • Motion type wireless electric energy transmission system
  • Motion type wireless electric energy transmission system
  • Motion type wireless electric energy transmission system

Examples

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Embodiment Construction

[0016] exist figure 1 Among them, a mobile electric energy wireless transmission system includes a mobile microwave transmitting base station (1) and a receiving module (2), the mobile microwave transmitting base station (1) converts DC energy into microwave energy, transmits microwaves to free space, and the receiving module (2) Receive microwaves and convert microwave energy into DC energy that can be used directly.

[0017] refer to figure 2 , image 3 , Figure 5 , Figure 8 and Figure 9 , the mobile microwave transmitting base station (1) includes a microwave transmitter (3) and a locomotive (4), and the microwave transmitter (3) is fixed on the locomotive (4). When the system is working normally, the mobile microwave transmitting base station (2) is in the Move in the roadway with wireless sensor nodes underground, and transmit microwaves to free space through the microwave transmitter (3), and charge the charging device (9) in motion, and the receiving module (2)...

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Abstract

The invention relates to a motion type wireless electric energy transmission system which comprises a motion type microwave transmission base station and a receiving module, wherein the motion type microwave transmission base station comprises a microwave transmitter and a locomotive, and the microwave transmitter is fixed on the locomotive; and the receiving module comprises a microtrip receiving antenna array, an input filter, a multifold pressure rectification circuit, an output filter and a charging device, the microtrip receiving antenna array is electrically connected with the input filter through a feed line, the input filter is connected with the input end of the multifold pressure rectification circuit, and the output end of the multifold pressure rectification circuit is electrically connected with the output filter and the charging device in sequence. The system utilizes microwave to realize motion type wireless charging to wireless sensor nodes in zonal distribution underground in a wireless transmission way, and the effective distance of wireless electric energy transmission reaches more than 1 meter, so that the working hours of the wireless sensor nodes are greatly prolonged, the volume of the receiving module in the system is small, and the system and the wireless sensor nodes can be directly integrated on the same circuit board, and the application prospect is wide.

Description

Technical field [0001] The invention relates to an electric energy transmission system, in particular to a mobile electric energy wireless transmission system. Background technique [0002] At present, the power supply of the wireless sensor nodes in the wireless sensor network is powered by batteries. Due to the limitation of the battery capacity, the lifetime of the wireless sensor nodes is greatly limited. The traditional wireless power transmission system mainly uses the coil electromagnetic coupling method to realize the wireless transmission of power. The effective transmission distance is only a few millimeters, and it can only be charged at rest, and cannot carry out medium-distance and sports wireless transmission. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a mobile wireless power transmission system in order to overcome the shortcomings of the traditional wireless power transmission system, such as...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J17/00H02J7/02H01Q1/38H01Q13/08H01Q21/00H02J50/27
Inventor 丁恩杰张国圆邱玮炜向洁
Owner CHINA UNIV OF MINING & TECH
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