Backup circuit for electricity supply, elevator system, and method
AssigneeKone Corporation
InventorsAntti SAARELAINEN, Ari KATTAINEN, Ari KETONEN
Life of this patent
Estimating the term…
Abstract
The invention relates to a backup circuit for electricity supply for ensuring the electricity supply of an electronic overspeed governor in connection with a malfunction of the electricity supply. The backup circuit for electricity supply comprises an energy storage. The backup circuit for electricity supply is configured to disconnect the electricity supply from the energy storage ensuring the electricity supply of the electronic overspeed governor to the overspeed governor when the malfunction of the electricity supply continues.
Claims11
Backup circuit for electricity supply for ensuring the electricity supply of an electronic overspeed governor [[(3)]] in connection with a malfunction of the electricity supply;
- which backup circuit for electricity supply comprises an energy storage;
- wherein the backup circuit for electricity supply is configured to disconnect the electricity supply from the energy storage ensuring the electricity supply of the electronic overspeed governor to the overspeed governor while the malfunction of the electricity supply continues.
Backup circuit for electricity supply according to any of the preceding claims, wherein the backup circuit for electricity supply is configured to re-start the electricity supply occurring from the energy storage to the overspeed governor when the malfunction of the electricity supply continues.
Backup circuit for electricity supply for ensuring the electricity supply of an electronic overspeed governor in connection with a malfunction of the electricity supply;
- which backup circuit for electricity supply comprises an energy storage;
- wherein the backup circuit for electricity supply is provided with signaling means for indicating the state of charge of the energy storage.
Method for ensuring the electricity supply of an electronic overspeed governor, in which method
- electricity is supplied from an energy storage to the electronic overspeed governor in connection with a malfunction of the electricity supply, wherein
- the electricity supply from the energy storage ensuring the electricity supply of the electronic overspeed governor to the overspeed governor is disconnected while the malfunction of the electricity supply continues.
Dependencies are inferred from the claim text.