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US 9,536,690 B2Granted
High performance power input circuits using synchronized mechanical switches
OwnerJeng-Jye Shauinventor
Life of this patent
Estimating the term…
Abstract
Synchronized mechanical switches are configured to support electrical switching circuits operating at frequencies equal to or higher than the frequency of the primary AC power supply. Due to near perfect impedances of mechanical switches as well as accurate timing control mechanisms, the mechanical switching circuits provide timely electrical connections to the terminals of the primary AC power supply to generate proper waveforms suitable to power next stage electrical circuits without the need to use semiconductor devices.
Claims20
An electrical circuit comprising:
- Two electrical power input connections (Vp, Vn) that allow electrically operated equipment to be connected to two terminals of the primary AC power supply in a building,
- A mechanical switch that provides switching configurations to turn on electrical connections to Vp depending on the positions of a movable conductor, where a mechanical switch is defined as an electrical switch that comprises a movable conductor that connects or disconnects its terminals according to the positions of the movable conductor, and that the electrical connections made by the mechanical switch are formed by direct contact between electrical conductors, and
- Another mechanical switch that provides switching configurations to turn on electrical connections to Vn depending on the positions of a movable conductor;
- Wherein the motions of said movable conductor of said mechanical switch that provides switching configurations to turn on electrical connections to Vp and said movable conductor of said mechanical switch that provides switching configurations to turn on electrical connections to Vn are controlled so that the timing when said mechanical switch that provides switching configurations to turn on electrical connections to Vp is switched to turn on electrical connections to Vp and the timing when said mechanical switch that provides switching configurations to turn on electrical connections to Vn is switched to turn on electrical connections to Vn are synchronized, while said mechanical switch that provides switching configurations to turn on electrical connections to Vp and said mechanical switch that provides switching configurations to turn on electrical connections to Vn are capable of switching at a switching frequency equal to or higher than the frequency of the primary AC power supply in a building.
1 more element
An electrical circuit comprising:
- Two electrical power input connections (Vp, Vn) that allow electrically operated equipment to be connected to two terminals of the primary AC power supply in a building,
- A first mechanical switch that provides switching configurations to turn on electrical connections to Vp or Vn depending on the positions of a movable conductor, where a mechanical switch is defined as an electrical switch that comprises a movable conductor that connects or disconnects its terminals according to the positions of the movable conductor, and that the electrical connections made by the mechanical switch are formed by direct contact between electrical conductors, and
- A second mechanical switch that provides switching configurations to turn on electrical connections to Vn or Vp depending on the positions of a movable conductor;
- Wherein the motions of the movable conductors of said first mechanical switch and said second mechanical switch are controlled so that when the voltage difference between Vp and Vn is higher than a threshold voltage (Vee), said first mechanical switch can only turn on an electrical connection to Vp but not to Vn, and said second mechanical switch can only turn on a connection to Vn but not to Vp, and when the voltage difference between Vp and Vn is lower than Vee, said first mechanical switch can only turn on an electrical connection to Vn but not to Vp, and said second mechanical switch can only turn on a connection to Vp but not to Vn, while said first mechanical switch and said second mechanical switch are capable of switching at a switching frequency equal to or higher than the frequency of the primary AC power supply in a building.
1 more element
Dependencies are inferred from the claim text.