MULTI-CAR ELEVATOR
To brake a car by means of a braking device such that collision of the car with a preceding car is prevented even if communication with a group management control device and the like delays or communication is discontinued due to malfunction or the like of an apparatus.SOLUTION: In a multi-car eleva...
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Format: | Patent |
Sprache: | eng ; jpn |
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Zusammenfassung: | To brake a car by means of a braking device such that collision of the car with a preceding car is prevented even if communication with a group management control device and the like delays or communication is discontinued due to malfunction or the like of an apparatus.SOLUTION: In a multi-car elevator in which a plurality of cars run in a common hoist way, each of the plurality of cars comprises: a brake device 5 that brakes a car 1; a position detector 4 that measures the position of the car 1; a communication unit 2 that receives the position of a preceding car from the preceding car located immediately in front of and in an advancing direction of the car 1 and that transmits the position of the car 1, detected by the position detector 4, to a following car located immediately behind and in the advancing direction of the car 1; and a collision-prevention computing unit 3 that control the brake device 5 on the basis of output from the position detector 4 and output from the communication unit 2.SELECTED DRAWING: Figure 1
【課題】制動装置は群管理制御装置などとの通信に遅延が生じたり、あるいは、機器の故障などによって通信が断絶したりしても、先行かごと衝突しないようにかごを制止させる。【解決手段】複数のかごが共通の昇降路を走行するマルチカーエレベーターにおいて、複数かごはそれぞれ、かご1を制動する制動装置5と、かご1の位置を計測する位置検出器4と、かご1の進行方向で直前に位置する先行かごから先行かごの位置を受信するとともに位置検出器4で検出したかご1の位置をかご1の進行方向で直後に位置する後続かごに送信する通信器2と、位置検出器4の出力と通信器2の出力とに基づいて制動装置5を制御する衝突防止演算器3と、を備える。【選択図】図1 |
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