US 10,651,762 B2Granted

MIMO converter

AssigneeBlue Inductive GmbH

InventorsJohannes Tritschler, Benriah Goeldi

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Abstract

An efficient solution to the problem of converting alternating signals into a plurality of signals having different signal characteristics in observation of different application requirements. This is achieved by a multiple input multiple output converter operated at a secondary side of an inductive power transfer system for converting at least one alternating input signal into a rectified alternating input signal and a further signal derived by averaging a switched voltage generated during rectification of the alternating input signal. The multiple input multiple output converter comprises at least one rectifier circuit adapted to rectify the alternating input signal and at least one averaging circuit adapted to average the switched voltage which is generated during rectification operation of the eat least one alternating input signal.

Claims20

Dependent claims

Secondary side of an inductive power supply system for supply of electric power to at least one load and/or at least one energy storage device having voltage source characteristics, comprising:

(a) a series connection of a secondary receiver coil and a secondary side compensation capacitor being separated from the primary side of the inductive power supply system adapted to receive of energy transmitted from a transmitter coil of the inductive power supply system through inductive coupling and adapted to generate a secondary side high frequency current having current source characteristics,
(b) a multiple input multiple output converter connected to the series connection of the receiver coil and the compensation capacitor and adapted to convert the secondary side high frequency current into at least one signal having first rectified signal characteristics and at least one signal having second averaged signal characteristics being different from the first rectified signal characteristics, the multiple input multiple output converter having
(b1) a plurality of converter input terminals for input of the secondary side high frequency current the multiple input multiple output converter;
(b2) a plurality of converter output terminals separated into a first converter output terminal group for output of the signal having the first rectified signal characteristics and a second converter output terminal group for output of the signal having the second averaged signal characteristics;
(b3) at least one rectifier circuit adapted to rectify the secondary side high frequency current, wherein the at least one rectifier circuit has a rectifier input terminal connected to a related converter input terminal and a rectifier output terminal connected to a related converter output terminal of the first converter output terminal group for output of a rectified secondary side high frequency current as a signal having the first rectified signal characteristics;
(b4) at least one averaging circuit adapted to average a switched square wave voltage which is generated during rectification at an internal circuit node of the at least one rectifier circuit during rectification operation, wherein the at least one averaging circuit has a first input terminal connected to the internal circuit node of the at least one rectifier circuit and a second output terminal connected to a related converter output terminal of the second converter output terminal group for output of an averaged switched voltage as a signal having the second signal characteristics;
(c) at least one energy storing device being connected to the first converter output terminal group and having voltage source characteristics;
and
(d) a load or at least one further energy storing device connected to the second converter output terminal group.

6 more elements

Multiple input multiple output converter for converting at least one alternating input signal into at least one signal having first signal characteristics and at least one signal having second signal characteristics being different from the first signal characteristics, comprising:

a plurality of converter input terminals for input of the at least one alternating input signal to the multiple input multiple output converter;
a plurality of converter output terminals separated into a first converter output terminal group for output of the at least one signal having the first signal characteristics and a second converter output terminal group for output of the at least one signal having the second signal characteristics;
at least one rectifier circuit adapted to rectify an alternating input signal, wherein the at least one rectifier circuit has a rectifier input terminal connected to a related converter input terminal and a rectifier output terminal connected to a related converter output terminal of the first converter output terminal group for output of a rectified alternating input signal as a signal having the first signal characteristics;
at least one averaging circuit adapted to average a switched voltage which is generated at an internal circuit node of the at least one rectifier circuit during rectification operation, wherein the at least one averaging circuit has a first input terminal connected to the internal circuit node of the at least one rectifier circuit and a second output terminal connected to a related converter output terminal of the second converter output terminal group for output of an averaged switched voltage as a signal having the second signal characteristics.

1 more element

Dependencies are inferred from the claim text.

Facts

Application: 16/087,806Filed 7 Apr 2017
Priority: EP 161644098 Apr 2016
Published: US 2019/0149060 A116 May 2019
Granted: 12 May 2020
Term ends: Not estimatedThe source records don’t support an estimate.

Classification9 codes

H02M 7/064
Using discharge tubes without control electrode or semiconductor devices without control electrode: with several outputs
H02J 50/12
Using inductive coupling: of the resonant type
H02M 7/217
Using devices of a triode or transistor type requiring continuous application of a control signal: using semiconductor devices only
H02M 7/219
Using semiconductor devices only: in a bridge configuration