Elevator control method
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- HITACHI LTD
- Publication Date
- 2009-02-04
- Estimated Expiration
- Not applicable · inactive patent
Smart Images
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Abstract
Description
technical field
[0001] The invention relates to an elevator control method, which judges whether the elevator car door can be closed by detecting whether the object connected with the rope-shaped object has entered the elevator car together with passengers. Background technique
[0002] As a general elevator control method, it is mostly controlled so that when the elevator doors are closed, if someone or an object is caught between the two elevator doors or between the elevator doors and the side panels, the safety boots installed on the elevator doors After detecting that someone or an object is caught, the elevator door is reopened. However, if there is a very thin rope-like object caught between the elevator doors, the detector may not be able to detect the thin rope-like foreign object due to detection blind spots. For example, when an elevator passenger and a pet tied to a pet leash get into the elevator or get off the elevator together, if the pet owner and the pet ar...