An elevator with power-off delay running function

Abstract

The invention discloses an elevator with an outage delayed operation function. The elevator comprises a car, a traction system, a control system, an energy storage system and a counterweight mechanism, wherein the counterweight mechanism comprises a counterweight seat, a counterweight grabbing mechanism, a counterweight and a counterweight circulating mechanism; the counterweight seat bypasses a traction wheel arranged at the top of an elevator groove through a steel wire rope to be connected with the car; and the counterweight grabbing mechanism is used for fixing the counterweight in the counterweight circulating mechanism to the counterweight seat according to feedback of a weight sensor, or separating the counterweight on the counterweight seat from the counterweight seat and storing the counterweight in the counterweight circulating mechanism. According to the elevator, the weight of the counterweight is adjusted according to the bearing weight state of the car, and tractive force required by a traction motor is reduced, so that the operation power of the elevator is reduced, only the energy storage system with relatively low capacity is required, and during outage, the energy storage system can supply power to the elevator to operate for relatively long time.

Description

technical field [0001] The invention relates to an elevator, in particular to an elevator with a power-off delay running function. Background technique [0002] In the event of fire and other situations, it is easy to cause a power outage. When the power is out, the elevator cannot continue to run, which affects the timely escape of residents. Therefore, in the current fire protection education, it is believed that elevators should not be taken when a fire breaks out. However, for high-rise residents, taking the elevator may be the only effective escape method in some cases. Therefore, it is necessary to propose an elevator that can still run for a period of time in the event of a power failure, so as to ensure the safety of passengers under extreme conditions. [0003] Due to the high operating power of existing elevators, a high-cost electric energy storage system needs to be invested in order to ensure power-off operation. The main point that affects the energy consumpt...

AI Technical Summary

Problems solved by technology

However, using the above-mentioned counterweight method, the driving force of the traction motor is relatively close when the car is fully loaded and when it is no-load, and the power is also similar, which is the most energy-consuming state; in fact, when the elevator is running most cases, so using the above counterweight approach is not conducive to battery-powered time-delay systems

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