System for wirelessly supplying a large number of actuators of a machine with electrical power
First Claim
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1. A system for a machine having a large number of actuators, comprising:
- a machine having a large number of actuators;
a medium-frequency oscillator;
a process computer for said machine;
a central transmission device for transmitting radio signals, said transmission device connected to said process computer; and
at least one primary winding for producing a medium-frequency magnetic field for applying said actuators with electrical power without using wires, said primary winding being fed from said medium-frequency oscillator;
each one of said actuators having a plurality of mutually orthogonal secondary windings suitable for drawing power from the medium-frequency magnetic field; and
each one of said actuators being equipped with a receiving device independent of said secondary windings for receiving the radio signals from said central transmission device.
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Abstract
A configuration for supplying a large number of actuators with electrical power without using wires includes at least one primary winding that is fed from a medium-frequency oscillator. Each actuator has at least one secondary winding that is suitable for drawing power from a medium-frequency magnetic field.
333 Citations
23 Claims
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1. A system for a machine having a large number of actuators, comprising:
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a machine having a large number of actuators;
a medium-frequency oscillator;
a process computer for said machine;
a central transmission device for transmitting radio signals, said transmission device connected to said process computer; and
at least one primary winding for producing a medium-frequency magnetic field for applying said actuators with electrical power without using wires, said primary winding being fed from said medium-frequency oscillator;
each one of said actuators having a plurality of mutually orthogonal secondary windings suitable for drawing power from the medium-frequency magnetic field; and
each one of said actuators being equipped with a receiving device independent of said secondary windings for receiving the radio signals from said central transmission device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
said primary winding is formed as a two lines; and
said secondary windings of said actuators are configured between said double lines.
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8. The system according to claim 1, wherein said primary winding is provided with a ferrite core.
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9. The system according to claim 1, comprising a compensation capacitor connected to said primary winding.
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10. The system according to claim 1, comprising:
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a central receiving device connected to said process computer;
said actuators being provided with transmission devices for emitting radio signals, containing actuator information, to said central receiving device; and
bi-directional information interchange being possible between said process computer and said actuators.
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11. The system according to claim 1, comprising a compensation capacitor connected to said secondary windings of one of said actuators.
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12. The system according to claim 1, comprising:
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an energy storage device; and
an AC/DC controller for charging said energy storage device;
said secondary windings of one of said actuators being connected to said AC/DC controller.
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13. The system according to claim 1, wherein said machine is an automated production machine.
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14. A system for a machine, comprising:
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a medium-frequency oscillator and at least one primary winding connected to said oscillator for generating a medium-frequency magnetic field;
a process computer for said machine and a central transmission device connected to said process computer for transmitting radio signals;
a plurality of actuators movably disposed in the medium-frequency magnetic field;
each of said actuator having a plurality of orthogonal secondary windings for wirelessly drawing electrical power from the medium-frequency magnetic field; and
each of said actuator being equipped with a receiving device for receiving the radio signals from said central transmission device. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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21. A system for a machine, comprising:
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a medium-frequency oscillator and at least one primary winding connected to said oscillator for generating a medium-frequency magnetic field;
a process computer for aid machine and a central communication device connected to said process computer for one of transmitting and receiving radio signals in a frequency range different from the medium-frequency magnetic field;
a plurality of actuators movably disposed in the medium-frequency magnetic field with at least two degrees of freedom;
each of said actuators having at least one secondary winding for wirelessly drawing electrical power from the medium-frequency magnetic field; and
each of said actuators being equipped with a communication device for communicating with said central communication device through the radio signals. - View Dependent Claims (22, 23)
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Specification