Unlock instant, AI-driven research and patent intelligence for your innovation.

Wireless energy transfer system

A wireless energy transmission and energy transmission technology, applied in the field of energy transmission, can solve the problems of inability to operate reliably for a long time, unstable power supply, etc., and achieve the effect of reliable operation for a long time, improving efficiency and improving utilization rate

Inactive Publication Date: 2013-04-10
HARBIN INST OF TECH
View PDF4 Cites 21 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to solve the problems that the existing wireless power supply technology has unstable power supply, cannot run reliably for a long time, and it is difficult to use the wireless energy transmission technology to simultaneously supply power to multiple different electrical devices, thereby providing a wireless energy transmission system

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 more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Wireless energy transfer system
  • Wireless energy transfer system
  • Wireless energy transfer system

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0025] Specific implementation mode 1. Combination figure 1 Describe this specific embodiment, a wireless energy transmission system, which includes a power supply device 1, which also includes an energy transmitting module 2 and N energy receiving modules 3, where N is a positive integer;

[0026] The energy transmitting module 2 includes a transmitting terminal control module 21, a frequency conversion circuit 22 and an energy transmitting terminal device 23;

[0027] The power output end of the power supply device 1 is connected with the power input end of the frequency conversion circuit 22; the control signal output end of the transmitter control module 21 is connected with the control signal input end of the frequency conversion circuit 22; the power signal output of the frequency conversion circuit 22 is connected with The power signal input terminal of the energy transmitting end device 23 is connected; the energy transmitting end device 23 generates an alternating mag...

specific Embodiment approach 2

[0033] Embodiment 2. The difference between this embodiment and the wireless energy transmission system described in Embodiment 1 is that the control circuit 32 includes a power supply circuit 321 and a receiving end control module 322. The power supply circuit 321 includes a high-frequency transformer 3211, No. 1 rectifier 3212 and power module 3213, the high-frequency transformer 3211 receives the AC signal output by the energy receiving end device 31; the high-frequency transformer 3211 outputs an AC signal to the No. 1 rectifier 3212; the No. 1 rectifier 3212 outputs a direct current The signal is sent to the power supply module 3212; the power supply module 3212 outputs a power supply signal to the power signal input terminal of the receiving end control module 322.

specific Embodiment approach 3

[0034] Specific embodiment three, combine figure 2Describe this specific embodiment. The difference between this specific embodiment and the wireless energy transmission system described in Embodiment 2 is that the load device 4 is a DC power device 41; the energy conversion circuit 33 includes a No. 2 rectifier 331 and a DC / DC conversion device 332;

[0035] The No. 2 rectifier 331 receives the AC power sent by the energy receiving end device 31, and converts it into a DC signal and sends it to the DC / DC converter 332; the DC / DC converter 332 outputs a DC power supply signal to the DC power device 41. Power signal input terminal.

[0036] In this embodiment, the DC power device 41 is used as figure 1 Loading device 4 shown. The energy receiving module 3 includes an energy receiving end device 31 , a control circuit 32 and an energy conversion circuit 33 . The DC power device 41 is integrally connected with the energy receiving module 3 or connected with wires. The energ...

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

No PUM Login to View More

Abstract

The invention discloses a wireless energy transfer system, belongs to the field of energy transfer, and aims to solve the problems in the prior art that the existing wireless power supply system is unstable in power supply and can not work reliably for a long time, and the power supply to different electrical equipment can not completed by the wireless energy transfer technology. A frequency converting circuit of the wireless energy transfer system is used for converting the electrical energy from the power supply device into transmitting-side alternating currents which are supplied to an energy transmitting-side device, and the energy transmitting-side device is used for transmitting the transmitting-side alternating currents in a wireless manner to an energy receiving module. The energy receiving module at least comprises one load unit, and the load unit comprises an energy receiving unit and a load device connected with the energy receiving unit. The energy transmitting-side device is used for supplying electrical energy to a control circuit and an energy conversion circuit, the control circuit is used for providing a control signal to the energy conversion circuit, and the energy conversion circuit is used for supplying electrical energy to the load device. The wireless energy transfer system is applied to occasions requiring wireless energy transfer.

Description

technical field [0001] The invention belongs to the field of energy transmission, and in particular relates to a wireless energy transmission system for transmitting electric energy to electrical equipment. Background technique [0002] Traditional wireless technology is often used in the field of wireless communication. Nowadays, with the development of technology, more and more attention has been paid to the technology of using wireless energy transmission technology to wirelessly charge electrical equipment such as mobile phones and electric vehicles and power household appliances. The wireless transmission technology is based on the principle of electromagnetic resonance. Two coils with similar or the same resonance frequency are used for magnetic coupling to generate resonance to transmit electric energy from the energy transmitting module of the wireless energy transmission system to the energy receiving module. [0003] However, the traditional wireless transmission t...

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
no application Login to View More
IPC IPC(8): H02J17/00H02M7/04H02M5/42H02J50/12
Inventor 朱春波张剑韬魏国逯仁贵李有全雷阳
Owner HARBIN INST OF TECH