EMBEDDED ENERGY STORAGE TO DRIVE CAR AND AUXILIARY SYSTEMS

• US 20170275138A1
• Filed: 08/18/2014
• Published: 09/28/2017
• Est. Priority Date: 08/18/2014
• Status: Abandoned Application

• Current Assignee: Otis Elevator Company (Otis Worldwide Corp.)
• Original Assignee: Otis Elevator Company (Otis Worldwide Corp.)
• Inventors: Fauconnet, Aurelien, Sirigu, Gerard
• Application Number:
  US15/504,136
• Publication Number:
  US 20170275138A1
• Time in Patent Office: Days
• CPC Class Codes: B66B 1/30 effective on driving gear , e.g. acting on power electronics, on inverter or rectifier controlled motor
• CPC Class Codes: B66B 11/0025 on the car
• CPC Class Codes: B66B 11/005 on the car
• CPC Class Codes: B66B 2201/40 Details of the change of control mode

Abstract

An elevator system includes a primary power source configured to generate a first power. An elevator car includes an energy sub-system embedded therein. The energy sub-system is in electrical communication with the primary power source to buffer the first power and to generate a second power for powering a drive sub-system that drives the elevator car.

Claims

1. An elevator system, comprising:

a primary power source configured to generate a first power;

an elevator car including an energy sub-system embedded therein, the energy sub-system being in electrical communication with the primary power source to buffer the first power and to generate a second power for powering a drive sub-system that drives the elevator car.

2. The elevator system of claim 1, wherein the energy sub-system includes at least one battery that is energized using the first power.

3. The elevator system of claim 2, wherein the elevator car includes an on-board compartment integrated therewith, wherein the energy sub-system is embedded within the on-board compartment.

4. The elevator system of claim 3, wherein the energy sub-system is configured to convert mechanical energy generated by the drive sub-system into electrical energy, and wherein the at least one battery is energized using the converted electrical energy.

5. The elevator system of claim 4, wherein the primary power source is a single-phase power supply.

6. The elevator system of claim 5, wherein the at least one battery drives the drive sub-system when the primary power source is disconnected from the energy sub-system.

7. The elevator system of claim 6, wherein the energy sub-system powers the drive sub-system and an auxiliary system of the elevator car, the auxiliary system including at least one of emergency power, emergency lighting, standard lighting, sound alerts, user interfaces, and door operation.

8. The elevator system of claim 7, wherein the drive sub-system and the energy sub-system are commonly embedded within the on-board compartment.

9. An elevator car included in an elevator system, the elevator car comprising:

an elevator car panel;

an on-board compartment formed in the elevator car panel; and

an energy sub-system disposed within the on-board compartment, the energy sub-system configured to power a drive sub-system of the elevator car.

10. The elevator car of claim 9, wherein the energy sub-system includes at least one battery that outputs the power for driving the drive-sub system.

11. The elevator car of claim 10, wherein the on-board compartment includes at least one removable portion that exposes the energy sub-system to an internal area of the elevator car.

12. The elevator car of claim 11, wherein the at least one battery is configured to be energized in response to receiving a second power from a primary power source remotely located from the elevator car.

13. The elevator car of claim 12, wherein the energy sub-system includes an energy recovery mechanism that is configured to convert mechanical energy received from the drive sub-system into electrical energy, and wherein the at least one battery is configured to be energized in response to receiving the converted electrical energy from the energy recovery mechanism.

14. The elevator car of claim 13, wherein the energy sub-system detects disconnection of the primary power source and powers the drive sub-system using only the power output from the at least one battery.

15. The elevator car of claim 14, wherein the energy sub-system powers the drive sub-system and an auxiliary system of the elevator car, the auxiliary system including at least one of emergency power, emergency lighting, standard lighting, sound alerts, user interfaces, and door operation.