| 摘要 |
Procedure for determining the number of passenger transfers in an elevator car on the basis of car load data. The procedure of the invention comprises continuous measurement (1) of the car load during stoppage, filtering (2) of the measurement data, recording of the load changes (3.1) taking place during stoppage, and determination (3.2) of the number of persons having entered or left the elevator car, based on said changes. The apparatus contains an A/D converter for converting the load data into digital form, and a recording and calculation unit placed in the elevator control system and connected to the output of the A/D converter to detect and count the changes in the load. |
