Abstract:
The present disclosure relates to elevator technology. In particular, the present disclosure relates to an elevator system using a novel powering scheme. Further in particular, the present disclosure relates to an elevator system using a pressurised gas to power at least a part of the elevator system. Accordingly, there is provided an elevator system (200), comprising an elevator car (112) and an elevator drive (224) adapted to move the elevator car in an elevator shaft (302), wherein the elevator system further comprises a gas reservoir (204,a,b), wherein the gas reservoir is adapted for storing of a pressurized gas, wherein the gas reservoir is connected to an element of the elevator system for powering at least a part of the elevator system, and wherein the element is at least one element of a pneumatic elevator drive (224) and a generator (238). Further, there is provided a method of operating the elevator system and for modernizing an elevator system.
Abstract:
A method of operating an elevator system is provided. The method comprising: detecting an occupancy status of the elevator car, the occupancy status comprising at least one of occupied and unoccupied; selecting a motion profile of the elevator car in response to the occupancy status, the motion profile comprising at least one of an unoccupied motion profile, an occupied motion profile, an occupied lateral movement motion profile, a power-save motion profile, and an occupied descent motion profile; and moving the elevator car in accordance with the motion profile selected.
Abstract:
A method for operating an elevator system, which may include at least two cars that can move independently of one another within a common elevator shaft, may involve determining with an elevator controller to cause a first car of the at least two cars to perform a transportation process from a start stopping point to a destination stopping point. The elevator controller may determine a starting time and travel parameters according to which the first car carries out the transportation process from the start stopping point to the destination stopping point. The starting time and the travel parameters may be determined by taking into account state parameters of a second car of the at least two cars.
Abstract:
An elevator system includes an elevator car; a machine to impart force to the elevator car; a battery to power at least one of the machine and at least one load; and a power distributor to distribute power from the battery to the machine and the at least one load.
Abstract:
The invention relates to an elevator installation and also to a method for controlling elevators. In the method a run plan is formed for driving elevator cars on the basis of service requests, the elevator cars are driven according to the run plan, by supplying electric power via the electricity distribution network of the building to a hoisting machine driving an elevator car, and also by supplying electric power from a hoisting machine braking an elevator car back to the electricity distribution network of the building, alternatives for a run plan are formed for driving elevator cars on the basis of service requests, the electric power which the hoisting machines need for implementing the aforementioned alternatives is determined, and also a run plan is selected for use from the plurality of different alternatives, when implementing which run plan the electric powers of the hoisting machines, when summed together, smooth the power variation occurring in the electricity supply of the building.
Abstract:
The invention relates to an elevator installation and also to a method for controlling elevators. In the method a run plan is formed for driving elevator cars on the basis of service requests, the elevator cars are driven according to the run plan, by supplying electric power via the electricity distribution network of the building to a hoisting machine driving an elevator car, and also by supplying electric power from a hoisting machine braking an elevator car back to the electricity distribution network of the building, alternatives for a run plan are formed for driving elevator cars on the basis of service requests, the electric power which the hoisting machines need for implementing the aforementioned alternatives is determined, and also a run plan is selected for use from the plurality of different alternatives, when implementing which run plan the electric powers of the hoisting machines, when summed together, smooth the power variation occurring in the electricity supply of the building.
Abstract:
Embodiments are directed to receiving, by a controller comprising a processor, data that is external to a conveyance device, processing, by the controller, the external data, and controlling, by the controller, the conveyance device based on the processed external data, wherein the external data comprises at least one of: security management data and emergency services data.
Abstract:
An object of the present invention is to provide a drive control device for a drive system including a vertical carrier machine that makes effective use of regenerative power generated at a vertical carrier machine with a high proportion of regenerative operation. The drive control device for a drive system including a vertical carrier machine includes: a drive control device (A) for an electric motor (M1) mainly for regenerative operation; a drive control device (B) for an electric motor (M2) mainly for power operation; and a regenerative power storage capacitor (12) that is connected between a positive terminal (P11) and a negative terminal (N1) of a direct-current output line of a converter part (1) via a third inrush current suppression circuit (11) in which a third resistor (R3) and a switch (SW3) are connected in parallel, wherein the capacitor (12) has an electrostatic capacitance and a direct-current internal resistance to produce a current value with which braking torque required for velocity control of the electric motor (M1) mainly for regenerative operation is generated by a charging current flowing at storage of the regenerative energy generated by the electric motor (M1) mainly for regenerative operation, within an operating time during which maximum regenerative energy is generated, in series of operations by the electric motor (M1) mainly for regenerative operation.
Abstract:
A system for managing power in an elevator system, the system including an elevator controller; an elevator car in communication with the controller; a component associated with the elevator car; a power management system in communication with the controller; and a database in communication with the power management system, the database including a power profile; wherein the power management system provides power commands to the elevator controller to enter a power savings mode in response to the power profile, the controller sending a power off signal to the component in response to the power command.
Abstract:
An elevator system is provided that includes an elevator car (12), a counterweight (18), a load bearing flexible member, a motor have a drive, and an elevator control system (22). The car and counterweight are operable to be translated within a hoistway. The load bearing flexible member extends between the elevator car and the counterweight. The motor is operable to move the load bearing member and thereby drive the elevator car and counterweight within the hoistway. The elevator motor and drive are configured to selectively produce regenerative power. The elevator control system includes a power manager unit (24) and a power storage device (26). The power storage device includes a supercapacitor unit (32) and a battery unit (34). The power manager unit is operable to selectively manage the flow of power between the power storage device and the motor drive, and the flow of regenerative power from the motor drive to the power storage device (26).