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Non-contact induction type charging system

A non-contact induction and charging system technology, applied in electromagnetic wave systems, current collectors, electric vehicles, etc., can solve problems such as relative position deviation and uncertain efficiency, achieve stable charging efficiency, and solve long-distance real-time communication problems.

Inactive Publication Date: 2012-05-16
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In addition, another technical problem of the present invention is that the relative position of the current induction unit of the rechargeable battery and the induction cable is easy to determine during the implementation process, and solves the problem of uncertain efficiency caused by the relative position deviation between the primary coil and the secondary coil

Method used

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Embodiment Construction

[0018] Below in conjunction with accompanying drawing, the technical scheme of invention is described in detail:

[0019] figure 1 It is a schematic structural diagram of the non-contact inductive charging system of the present invention, which includes a power conversion device 1, an induction cable 2 configured to supply an alternating current of a specified frequency, a rechargeable battery 3 coupled with the induction cable, and an AC power output from the power conversion device 1. The two ends connected to the induction cable 2 form a loop, the AC current induction unit 31 in the rechargeable battery 3 is placed on the induction cable 2 to induce an AC current, and the carrier transceiver 11c in the power conversion device 1 is placed on the induction cable 2 To realize the extraction and loading of the carrier signal, the carrier transceiver 32c in the rechargeable battery 3 is placed close to the top of the AC current induction unit 31 to realize the extraction and loa...

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Abstract

The invention discloses a non-contact induction type charging system, which comprises a power conversion device, an induction cable and n rechargeable batteries with the same structure, wherein the power conversion device comprises a charging system control unit, a power frequency power supply, a rectifying filter circuit, a high frequency contravariant module, a resonant circuit, an isolating transformer, a digital filter and a compensation capacitor; and each rechargeable battery comprises an alternating current induction unit, a battery voltage monitoring unit, a resonant circuit, a rectification circuit, a constant voltage / constant current output device and an accumulator. The non-contact induction type charging system can charge a plurality of the rechargeable batteries at the same time, has stable charge efficiency, can be applied to high-power charging occasions, and solves the problem of long-distance real-time communication between a charging body and the rechargeable battery.

Description

technical field [0001] The invention relates to a non-contact inductive charging system, which belongs to the technical field of charging systems. Background technique [0002] For example, automatic guided vehicles (AGV—Automatic Guided Vehicle), which are widely used in electric bicycles and industrial automation, are powered by batteries. When the battery voltage is lower than a predetermined voltage value, users need to use a charger to charge it. Since this charging process is contact-type, the connecting terminals of the charging equipment and the storage battery will be worn and oxidized during long-term work, resulting in poor contact. In addition, the contact charging method is not conducive to centralized wiring and management, which brings safety hazards to the charging process. [0003] In order to solve the above problems, non-contact charging technology has been proposed, such as Chinese Patent Application No. 200780003798.3, Chinese Patent Application No. 200...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00H02J17/00H02J50/12
Inventor 楼佩煌钱晓明侯隆斌张亮张炯吴亮亮
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS