Method and system for regulating contactless transformer

• US 10,236,729 B2
• Filed: 06/18/2014
• Issued: 03/19/2019
• Est. Priority Date: 09/27/2013
• Status: Active Grant

• Current Assignee: ZTE Corporation
• Original Assignee: ZTE Corporation
• Inventors: Wang, Jing, Gao, Yaoguang, Fan, Jie, Luo, Yong, Zhou, Jianping
• Primary Examiner(s): Kim, Jung
• Application Number:
  US15/024,364
• Publication Number:
  US 20160226318A1
• Time in Patent Office: 1,735 Days
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/80 involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
• CPC Class Codes: H02J 50/90 involving detection or optimisation of position, e.g. alignment

Abstract

Disclosed are a regulating method and system for a contactless transformer, applied to a regulating system including a contactless transformer and a detecting device (2), wherein the contactless transformer includes a transmitting end (11) and a receiving end (12), and the method includes: using the detecting device (2) to detect power transmission parameter information between a transmitting coil (111) and a receiving coil (121) of the contactless transformer, and a transmitting end controller (113) regulating operating parameters of a power transmitting end circuit (112) based on the power transmission parameter information; a receiving end controller (123) regulating operating parameters of a power receiving end circuit (122) based on the power transmission parameter information.

Claims

1. A regulating method for a contactless transformer, applied to a regulating system including a contactless transformer and a detecting device, wherein the contactless transformer comprises a transmitting end having a transmitting coil, a power transmitting end circuit and a transmitting end controller, and a receiving end having a receiving coil, a power receiving end circuit and a receiving end controller, and the method comprises:

the detecting device detecting power transmission parameter information between the transmitting coil and the receiving coil of the contactless transformer, wherein the power transmission parameter information comprises air gap information and misalignment information between the transmitting coil and the receiving coil;

wherein the air gap information between the transmitting coil and the receiving coil is a size of the air gap between the transmitting coil and the receiving coil; and

wherein the misalignment information between the transmitting coil and the receiving coil comprises an axial misalignment size and an amplitude misalignment size between the transmitting coil and the receiving coil; and

the transmitting end controller regulating operating parameters of the power transmitting end circuit based on the air gap information and misalignment information between the transmitting coil and the receiving coil; and

the receiving end controller regulating operating parameters of the power receiving end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil.

2. The regulating method of claim 1, wherein,

the detecting device comprises a signal transmitting end and a signal receiving end, wherein the signal transmitting end is installed at the transmitting end of the contactless transformer, and the signal receiving end is installed at the receiving end of the contactless transformer;

or, the signal transmitting end is installed at the receiving end of the contactless transformer, and the signal receiving end is installed at the transmitting end of the contactless transformer;

the method further comprises;

the signal receiving end detecting the power transmission parameter information based on signals of transmitted by the signal transmitting end.

3. The regulating method of claim 2, wherein, the method further comprises,

when the signal receiving end is installed at the receiving end of the contactless transformer, the signal receiving end transmitting the detected power transmission parameter information to the receiving end controller, and then the receiving end controller forwarding the power transmission parameter information to the transmitting end controller;

or

when the signal receiving end is installed at the transmitting end of the contactless transformer, the signal receiving end transmitting the detected power transmission parameter information to the transmitting end controller, and then the transmitting end controller forwarding the power transmission parameter information to the receiving end controller.

4. The regulating method of claim 1, wherein,

the step of the transmitting end controller regulating operating parameters of the power transmitting end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil comprises:

the transmitting end controller regulating a frequency parameter and/or a phase angle parameter of the power transmitting end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil; and

/or

the step of the receiving end controller regulating operating parameters of the power receiving end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil comprises;

the receiving end controller regulating a frequency parameter and/or a phase angle parameter of the power receiving end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil.

5. The regulating method of claim 1, wherein,

the power transmission parameter information is power transmission parameter information between the transmission coil and the receiving coil of the contactless transformer when the contactless transformer is in an operating state.

11. The regulating method of claim 2, wherein,

the step of the transmitting end controller regulating operating parameters of the power transmitting end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil comprises:

the transmitting end controller regulating a frequency parameter and/or a phase angle parameter of the power transmitting end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil; and

/or

the step of the receiving end controller regulating operating parameters of the power receiving end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil comprises;

the receiving end controller regulating a frequency parameter and/or a phase angle parameter of the power receiving end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil.

12. The regulating method of claim 3, wherein,

the step of the transmitting end controller regulating operating parameters of the power transmitting end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil comprises:

the transmitting end controller regulating a frequency parameter and/or a phase angle parameter of the power transmitting end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil; and

/or

the step of the receiving end controller regulating operating parameters of the power receiving end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil comprises;

the receiving end controller regulating a frequency parameter and/or a phase angle parameter of the power receiving end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil.

13. The regulating method of claim 2, wherein,

the power transmission parameter information is power transmission parameter information between the transmission coil and the receiving coil of the contactless transformer when the contactless transformer is in an operating state.

14. The regulating method of claim 3, wherein,

the power transmission parameter information is power transmission parameter information between the transmission coil and the receiving coil of the contactless transformer when the contactless transformer is in an operating state.

6. A regulating system for a contactless transformer, comprising:

a contactless transformer, wherein the contactless transformer comprises a transmitting end having a transmitter coil, a power transmitting end circuit and a transmitting end controller, and a receiving end having a receiving coil, a power receiving end circuit and a receiving end controller, the regulating system further comprises a detecting device, wherein;

the detecting device is configured to;

detect power transmission parameter information between the transmitting coil and the receiving coil of the contactless transformer, wherein the power transmission parameter information comprises air gap information and misalignment information between the transmitting coil and the receiving coil;

wherein the air gap information between the transmitting coil and the receiving coil is a size of the air gap between the transmitting coil and the receiving coil; and

wherein the misalignment information between the transmitting coil and the receiving coil comprises an axial misalignment size and an amplitude misalignment size between the transmitting coil and the receiving coil;

the transmitting end controller is configured to;

regulate operating parameters of the power transmitting end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil; and

the receiving end controller is configured to;

regulate operating parameters of the power receiving end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil.

7. The regulating system of claim 6, wherein,

the detecting device comprises a signal transmitting end and a signal receiving end, the signal transmitting end is installed at the transmitting end of the contactless transformer, the signal receiving end is installed at the receiving end of the contactless transformer, or the signal transmitting end is installed at the receiving end of the contactless transformer, the signal receiving end is installed at the transmitting end of the contactless transformer;

and

the signal receiving end is configured to;

detect the power transmission parameter information based on signals transmitted by the signal transmitting end.

8. The regulating system of claim 7, wherein,

the signal receiving end is further configured to:

when the signal receiving end is installed at the receiving end of the contactless transformer, transmit the detected power transmission parameter information to the receiving end controller which then forwards the power transmission parameter information to the transmitting end controller;

or

when the signal receiving end is installed at the transmitting end of the contactless transformer, transmit the detected power transmission parameter information to the transmitting end controller which then forwards the power transmission parameter information to the receiving end controller.

9. The regulating system of claim 6, wherein,

the transmitting end controller is configured to regulate operating parameters of the power transmitting end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil by means of:

regulating a frequency parameter and/or a phase angle parameter of the power transmitting end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil; and

/or

the receiving end controller is configured to regulate operating parameters of the power receiving end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil by means of;

regulating a frequency parameter and/or a phase angle parameter of the power receiving end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil.

10. The regulating system of claim 6, wherein,

the power transmission parameter information is power transmission parameter information between the transmitting coil and the receiving coil of the contactless transformer when the contactless transformer is in an operating state.

15. The regulating system of claim 7, wherein,

the transmitting end controller is configured to regulate operating parameters of the power transmitting end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil by means of:

regulating a frequency parameter and/or a phase angle parameter of the power transmitting end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil; and

/or

the receiving end controller is configured to regulate operating parameters of the power receiving end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil by means of;

regulating a frequency parameter and/or a phase angle parameter of the power receiving end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil.

16. The regulating system of claim 8, wherein,

the transmitting end controller is configured to regulate operating parameters of the power transmitting end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil by means of:

regulating a frequency parameter and/or a phase angle parameter of the power transmitting end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil; and

/or

the receiving end controller is configured to regulate operating parameters of the power receiving end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil by means of;

regulating a frequency parameter and/or a phase angle parameter of the power receiving end circuit based on the air gap information and the misalignment information between the transmitting coil and the receiving coil.

17. The regulating system of claim 7, wherein,

the power transmission parameter information is power transmission parameter information between the transmitting coil and the receiving coil of the contactless transformer when the contactless transformer is in an operating state.

18. The regulating system of claim 8, wherein,

the power transmission parameter information is power transmission parameter information between the transmitting coil and the receiving coil of the contactless transformer when the contactless transformer is in an operating state.