Highly-efficient high-power wireless charging device of electric car
An electric vehicle and wireless charging technology, applied in electric vehicle charging technology, electric vehicles, battery circuit devices, etc., can solve the problems of low transmission power factor and transmission efficiency, achieve high power transmission ratio, reduce conduction voltage drop, The effect of improving transmission efficiency
Active Publication Date: 2016-02-03
CHINA THREE GORGES UNIV
View PDF4 Cites 7 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] The technical problem to be solved by the present invention is to provide a high-efficiency and high-power electric vehicle wireless charging device for the above-mentioned deficiencies in the prior art, which can well solve the problem of low transmission power factor and low transmission efficiency of the existing vehicle charging device
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0024] Such as figure 1 A wireless charging device for high-efficiency and high-power electric vehicles is shown, which includes an AC voltage source 1. The output terminals of the AC voltage source 1 are respectively connected to a pulse logic generating circuit 2 and a bidirectional high frequency inverter 3, and the pulse logic generating circuit 2 and The two-way high-frequency inverter 3 is connected, the two-way high-frequency inverter 3 is connected to the series resonance transmitting circuit 4, the series resonance transmitting circuit 4 is connected to the parallel resonance receiving circuit 5, and the parallel resonance receiving circuit 5 is connected to the car charging circuit 6. The charging circuit 6 is connected to the electric vehicle battery 7.
[0025] The pulse logic generating circuit 2 can generate 8 complementary PWM signals for starting the eight MOS transistors S1 to S8.
[0026] The AC voltage source 1 is provided with a bidirectional full bridge high fr...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention provides a highly-efficient high-power wireless charging device of an electric car. The charging device comprises an alternating-current voltage source. The output end of the alternating-current voltage source is connected with a pulse logic generating circuit and a bidirectional high-frequency inverter. The pulse logic generating circuit is connected with the bidirectional high-frequency inverter which is connected with a series resonance emission circuit. The series resonance emission circuit is connected with a parallel resonance receiving circuit which is connected with an automobile charging circuit connected with an electric car battery. Thus, problems of small transmission power factor and low transmission efficiency of the current automobile charging device can be well solved.
Description
Technical field [0001] The invention belongs to the field of automobile charging equipment, and particularly relates to a high-efficiency and high-power wireless charging device for electric vehicles. Background technique [0002] The traditional electric vehicle charging modes include common charging and AC charging, which takes a long time to fully charge; fast charging is mostly DC charging, which requires larger transmission power. The existing wireless charging and transmitting circuit is generally composed of a rectifier circuit and a high-frequency inverter circuit, and has problems such as low power factor and low transmission efficiency. Summary of the invention [0003] The technical problem to be solved by the present invention is to provide a high-efficiency and high-power wireless charging device for electric vehicles in view of the above-mentioned shortcomings of the prior art, which can well solve the problems of low transmission power factor and low transmission ef...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/02H02J50/12
CPCY02T10/70Y02T10/7072Y02T10/72Y02T90/14
Inventor 郭丕龙周文杰
Owner CHINA THREE GORGES UNIV