Boost resonant converter passive element integration device

A technology of resonant converters and passive components, applied in the direction of output power conversion devices, transformer/inductor parts, electrical components, etc., can solve the problems of different sizes of components, low space utilization, and large number of components , to achieve the effect of weakening the impact of circuit performance, improving space utilization, reducing quantity and volume

Inactive Publication Date: 2017-07-21
XIANGTAN UNIV
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  • Application Information

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Problems solved by technology

Usually, these passive components are implemented using discrete components, not only the number of components is large, but also the size and shape of each component are different, and the space utilization rate is not high. Using discrete components will also greatly reduce the power density of power electronic equipment, and discrete components The parasitic parameters of the inductor, such as the equivalent parallel capacitance of the inductor and the equivalent series inductance of the capacitor, will have a negative impact on the performance of the Boost resonant converter circuit

Method used

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  • Boost resonant converter passive element integration device
  • Boost resonant converter passive element integration device
  • Boost resonant converter passive element integration device

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0022] Such as Figure 1-Figure 3 As shown, a Boost resonant converter passive component integration device 23 includes a first PCB copper-clad winding 3, a second PCB copper-clad winding 4, a first PCB integrated winding 19, a second PCB integrated winding 20, a first E Type magnetic core 1, second E-shaped magnetic core 2; the first E-shaped magnetic core 1 is located above the second E-shaped magnetic core 2 and opposite to the second E-shaped magnetic core 2, and the first PCB copper-clad winding 3 is wound On the central column of the first E-shaped magnetic core 1, the second PCB copper-clad winding 4 is wound on the central column of the second E-shaped magnetic core 2, and the first PCB integrated winding 19 is wound on the first E-shaped magnetic core 1 and the left side column of the second E-shaped magnetic core 2, the second PCB integrated ...

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Abstract

The invention discloses a Boost resonant converter passive element integration device which comprises two PCB copper clad windings, two PCB integration windings, and two E magnetic cores. The two E magnetic cores are oppositely arranged. The two PCB copper clad windings are wound around the middle columns of the two E magnetic cores, and the two PCB integration windings are wound around the left and right side columns of the two E magnetic cores. Each of the two PCB integration windings comprises a PCB copper clad winding, a leakage inductance dielectric layer, a PCB copper clad winding, a dielectric layer, a PCB copper clad winding, a dielectric layer and a PCB copper clad winding orderly arranged from top to bottom. According to the device, a boost inductor, a resonant inductor, a transformer and a filter capacitor in a Boost resonant converter are integrated in a magnetic element, the number and size of the passive components are reduced, the power density of the Boost resonant converter is increased, and the influence of the parasitic oscillation of component distribution parameters on the performance of a circuit is weakened.

Description

technical field [0001] The invention relates to a passive component integration device of a Boost resonant converter. Background technique [0002] With the promotion of new energy and the vigorous development of electric vehicles, it has become a trend to combine new energy with electric vehicles. Since the input sources such as solar energy, fuel cells, and batteries have low input voltage characteristics, the boost converter has become an indispensable key component. [0003] Boost resonant converter is mainly composed of input voltage source, Boost boost inductor, inverter, resonant tank circuit, transformer and rectified output. In order to provide a good and stable power supply for power equipment, Boost resonant converters can be used to increase the output voltage in distributed energy systems and use electric units to obtain high-quality electric energy. [0004] The Boost resonant converter generally includes the following passive components: boost inductor, reso...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M3/335H01F17/04H01F27/28
CPCH01F17/045H01F27/2804H02M3/33569Y02B70/10
Inventor 邓成沈松林蒋启文
Owner XIANGTAN UNIV
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