Constant-current output type two-way wireless power transmission system for composite resonant network and design method of system

A technology of wireless power transmission and two-way radio, which is applied in the direction of circuit devices and electrical components, can solve problems such as complex structure, increased difficulty in system design, and reduced stability and security, so as to achieve low design difficulty and improve system stability And the effect of safety and simple structure

Pending Publication Date: 2016-12-07
CHINA UNIV OF MINING & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, to meet the above three requirements at the same time, the introduction of closed-loop control will increas

Method used

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  • Constant-current output type two-way wireless power transmission system for composite resonant network and design method of system
  • Constant-current output type two-way wireless power transmission system for composite resonant network and design method of system
  • Constant-current output type two-way wireless power transmission system for composite resonant network and design method of system

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Embodiment 1

[0029] Embodiment 1: as figure 1 As shown, a constant current output type composite resonant network two-way wireless power transmission system is specifically composed of 1. primary side DC power supply, 2. primary side choke inductor, 3. primary side high frequency switching network, 4. primary side parallel compensation capacitor , 5. Primary side series compensation capacitor, 6. Loosely coupled transformer, 7. Secondary side series compensation capacitor, 8. Secondary side parallel compensation capacitor, 9. Secondary side high frequency switching network, 10. Secondary side choke inductor, 11. Secondary side DC power supply. Taking the energy forward transfer mode as an example, such as figure 2 shown. Both the primary and secondary high-frequency switch networks are composed of four fully-controlled switching devices and their anti-parallel diodes. The primary high-frequency switch network works in the inverter mode, and the secondary high-frequency switch network wo...

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Abstract

The invention discloses a constant-current output type two-way wireless power transmission system for a composite resonant network and a design method of the system. The system is formed by connecting a primary side DC power supply, a primary side choke inductance, a primary side high-frequency switching network, a primary side parallel compensation capacitor, a primary side series compensation capacitor, a loose coupling transformer, a secondary side series compensation capacitor, a secondary side parallel compensation capacitor, a secondary side high-frequency switching network, a secondary side choke inductance and a secondary side DC power supply in sequence. The system is characterized in that a novel circuit topology is provided; through carrying out parameter design on a primary side compensation mechanism, the loose coupling transformer and a secondary side compensation mechanism, the system is of a mirror symmetry structure, so that the constant-current output of the wireless power transmission system is realized while the two-way transmission of the energy is also realized. The system and the method have the beneficial effects that the complicated closed-loop control is not needed when the system is designed, the system design indexes can be met based on an AC impedance method through parameter design, the system structure is simplified, and the system stability is improved.

Description

technical field [0001] The invention relates to a constant current output type two-way wireless power transmission system, which belongs to the field of wireless power transmission, in particular to a constant current output type composite resonant network bidirectional wireless power transmission system and a design method thereof. Background technique [0002] As one of the most active research hotspots in the field of electrical engineering, wireless power transfer technology has received extensive attention in recent years. Among them, the wireless power transmission technology based on the principle of electromagnetic induction coupling is currently the most mature and widely used one, and has been well applied in transportation, underwater power supply, mobile phones and human medical treatment. However, most of the currently researched wireless power transfer systems require the function of constant output voltage, and there are relatively few studies on wireless powe...

Claims

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Application Information

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IPC IPC(8): H02J50/12
CPCH02J5/005
Inventor 夏晨阳张杨郑凯陈国平朱文婷郭祥包志成许梦迪宋如楠孙彦景伍小杰
Owner CHINA UNIV OF MINING & TECH
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