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Positioning method and positioning system for wireless charging

A wireless charging and positioning system technology, applied in electromagnetic wave systems, current collectors, electric vehicles, etc., can solve the problems of low wireless charging efficiency, inaccurate position matching between charging transmitting antenna and charging receiving antenna, etc., to achieve easy promotion and popularization, Good position matching, the effect of improving efficiency

Inactive Publication Date: 2014-12-17
陈业军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a positioning system and method in wireless charging, which is used to solve the problem that the position matching of the charging transmitting antenna and the charging receiving antenna is not accurate enough when the existing wireless charging technology is used for charging, resulting in low wireless charging efficiency. question

Method used

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  • Positioning method and positioning system for wireless charging
  • Positioning method and positioning system for wireless charging
  • Positioning method and positioning system for wireless charging

Examples

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Embodiment 1

[0025] Embodiment 1. The positioning system in wireless charging of this embodiment is mainly applied to wireless charging of electric vehicles, see figure 1 As shown, it includes: a charging transmitting device 11, a charging transmitting antenna 12, a charging receiving antenna 13 and a charging receiving device 14, and also includes: at least 3 auxiliary transmitting positioning antennas 15, located around the charging transmitting antenna 12 and connected to the charging transmitting antenna 12 The transmission frequency is not the same; and at least 3 auxiliary receiving positioning antennas 16 (the auxiliary receiving positioning antenna 16 needs to carry out signal processing to the received signal, FPGA or DSP chip can be used to facilitate the timely processing of information), located around the charging receiving antenna 13 and It is different from the receiving frequency of the charging receiving antenna 13 . The charging receiving device 14 obtains the positioning...

Embodiment 2

[0031] Embodiment 2. The positioning method in the wireless charging of this embodiment can be implemented by using the system of the above embodiment 1, see Image 6 shown, including the following main steps:

[0032] S21. The auxiliary transmitting and positioning antenna sends out a positioning signal.

[0033] S22. The auxiliary receiving positioning antenna receives the positioning signal.

[0034] S23. Adjust the wireless charging position of the electric vehicle according to the strength of each positioning signal received in step S22 and the preset positional relationship between each auxiliary transmitting positioning antenna and auxiliary receiving positioning antenna.

[0035] In a specific implementation, by adding multiple auxiliary transmitting positioning antennas of other frequencies around the transmitting antenna, there are at least three positioning antennas. The positional relationship of the auxiliary positioning antennas at the transmitting end and the ...

Embodiment 3

[0036] Embodiment 3. A charging and transmitting system in this embodiment may be a combination of the charging and transmitting device 11 , the charging and transmitting antenna 12 and the auxiliary transmitting and positioning antenna 15 in the above-mentioned embodiment 1. see Figure 7 As shown, it specifically includes: a charging transmitting device 31, a charging transmitting antenna 32, and at least 3 auxiliary transmitting positioning antennas 33, and the at least 3 auxiliary transmitting positioning antennas 33 are located around the charging transmitting antenna 32 and connected to the charging transmitting antenna 32 The transmitting frequencies are different; the charging and transmitting device 31 transmits radio frequency signals through the charging and transmitting antenna 32; the auxiliary transmitting and positioning antenna 33 sends out positioning signals.

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Abstract

The invention relates to the field of wireless charging, provides a positioning method and a positioning system for wireless charging and aims to solve the problem of low wireless charging efficiency caused by inaccurate position matching of a charging transmitting antenna and a charging receiving antenna during charging according to existing wireless charging techniques. The system comprises a charging transmitting device, a charging transmitting antenna, a charging receiving antenna, a charging receiving device, at least three auxiliary transmitting positioning antennas and at least three auxiliary sending positioning antennas. By the positioning method and the positioning system for wireless charging, positions of the transmitting antenna and the receiving antenna can be better matched to improve wireless charging efficiency. The positioning method and the positioning system for wireless charging are mainly applied to the field of wireless charging of electric vehicles and convenient for promotion and popularization of the electric vehicles.

Description

【Technical field】 [0001] The invention relates to the field of wireless charging, in particular to a positioning system and method in wireless charging. 【Background technique】 [0002] Wireless power supply technology (Contactless Power Supply, CPS), also known as inductive coupled power transmission technology (Inductive Coupled Power Transmission, ICPT), contactless power supply refers to the transmission line and the load without electrical connection and physical contact, even between them In the case of relative motion, complete the transmission of electric energy. The theoretical basis of the contactless power supply technology is the principle of electromagnetic induction, using modern electric energy conversion technology, magnetic field coupling technology, modern control theory and microelectronic control technology to realize the transmission of energy from stationary equipment to movable equipment. [0003] With the advancement of industrialization, there are mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00H02J17/00H02J50/23H02J50/27
Inventor 陈业军
Owner 陈业军
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