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

Wireless power transmission device and wireless power transmission system

A technology of wireless power transmission and wireless power transmission, which is used in circuit devices, battery circuit devices, electric vehicle charging technology, etc.

Pending Publication Date: 2021-04-09
TDK CORPARATION
View PDF10 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is not possible to use a photocoupler or the like to perform feedback for power control, for example, to perform power control by performing wireless communication between devices on the power transmitting side and power receiving side

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 power transmission device and wireless power transmission system
  • Wireless power transmission device and wireless power transmission system
  • Wireless power transmission device and wireless power transmission system

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0034]

[0035] figure 1 It is a diagram showing a schematic appearance of a wireless power transmission system 1 according to an embodiment of the present disclosure.

[0036] The wireless power transmission system 1 includes a wireless power transmitting device 10 and a wireless power receiving device 20 .

[0037] In this embodiment, the wireless power receiving device 20 is installed on the mobile body 30 . The mobile body 30 runs on the ground G. As shown in FIG. Here, the moving body 30 is, for example, an unmanned guided vehicle (AGV: Automated Guided Vehicle).

[0038] In addition, in the present embodiment, the wireless power transmission device 10 is installed on the ground G at the charging station. This charging station is used as a place where the battery of the mobile body 30 is charged.

[0039] The wireless power transmission device 10 includes a power transmission unit 11 and a power transmission coil unit 12 . The power transmission unit 11 is connecte...

no. 2 approach

[0212] Figure 7 It is a diagram showing functional blocks of the wireless power transmission system 301 according to one embodiment (second embodiment) of the present disclosure.

[0213] exist Figure 7 In the example, for the sake of illustration, the pair with figure 2 The same parts of the shown structures are given the same symbols.

[0214] In this embodiment, mainly for figure 2 Differences in the shown wireless power transmission system 1 will be described, and detailed descriptions of the same points will be omitted.

[0215] The wireless power transmission system 301 includes a wireless power transmission device 311 and a wireless power receiving device 20 .

[0216] in addition, Figure 7 An AC source 40 and a load 50 are shown.

[0217] Here, the wireless power receiving device 20, the AC power source 40 and the load 50 are respectively connected with figure 2 Same as shown.

[0218] The wireless power transmission device 311 will be described.

[0219...

no. 3 approach

[0233] Figure 8 It is a diagram showing functional blocks of the wireless power transmission system 401 according to one embodiment (third embodiment) of the present disclosure.

[0234] exist Figure 8 In the example, for the sake of illustration, the pair with figure 2 The same parts of the shown structures are assigned the same symbols.

[0235] In this embodiment, mainly for figure 2 Differences in the shown wireless power transmission system 1 will be described, and detailed descriptions of the same points will be omitted.

[0236] The wireless power transmission system 401 includes a wireless power transmitting device 411 and a wireless power receiving device 20 .

[0237] in addition, Figure 8 An AC source 40 and a load 50 are shown.

[0238] Here, the wireless power receiving device 20, the AC power source 40 and the load 50 are respectively connected with figure 2 Same as shown.

[0239] The wireless power transmitting device 411 will be described.

[02...

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

Provided is a wireless power transmission device that can enable a wireless power receiving device to identify a wireless communication circuit without using communication of the wireless communication circuit of a wireless power transmission device. A wireless power transmission device for wirelessly transmitting power to a wireless power receiving device includes a power transmission coil, a power transmission circuit configured to supply alternating current (AC) power to the power transmission coil, and a power transmission side communication circuit configured to communicate with the wireless power receiving device. The power transmission circuit is configured to supply a first AC power to the power transmission coil. The first AC power is an AC power having an intermittent supply period in an intermittent pattern representing identification information of the power transmission side communication circuit. The power transmission coil is configured to receive the first AC power and generate a first AC magnetic field corresponding to the intermittent pattern.

Description

technical field [0001] The present disclosure relates to a wireless power transmission device and a wireless power transmission system. Background technique [0002] In the wireless power transmission technology, electric power is transmitted from a device on the power transmitting side (input side) present at a physically distant location to a device on the power receiving side (output side). Therefore, it is impossible to perform feedback for power control using a photocoupler or the like, for example, to perform power control by performing wireless communication between devices on the power transmitting side and the power receiving side. [0003] For example, when a plurality of devices on the power transmitting side are arranged nearby, the device on the power receiving side is requested to establish wireless communication with a specific device on the power transmitting side. Therefore, identification information on the wireless communication network (hereinafter refer...

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
Patent Type & Authority Applications(China)
IPC IPC(8): H02J50/80H02J50/20H02J50/10H02J50/12H02J7/00B60L53/126
CPCH02J50/80H02J50/20H02J50/10H02J50/12H02J7/00045B60L53/126B60L53/12B60L53/305Y02T10/70Y02T10/7072Y02T90/12Y02T90/14Y02T90/16H02J7/04H02J50/90
Inventor 福永和丰京野羊一
Owner TDK CORPARATION