This landing door switch circuit is provided with an upper car safety circuit (20), an upper car auxiliary circuit (30), a lower car safety circuit (40), and a lower car auxiliary circuit (50). The safety circuit (20) for the upper car and the safety circuit (40) for the lower car have: main circuits (20a, 40a) that connect excitation coils (23b, 24b, 43b, 44b) of a shutter of a power supply (61) for driving the upper car (14) and the lower car (18) to the power supply (60) and connect landing door switches (21, 41) in series; and a first connection portion (22) and a third connection portion (42) branching off from the main circuits (20a, 40a). Furthermore, the upper car auxiliary circuit (30) and the lower car auxiliary circuit (50) respectively have a second connection part (31) and a fourth connection part (51) in the lower car (18) and the upper car (14), and bypass the landing door switches (21, 41).
本公开的层站门开关电路具备上部轿厢用安全电路(20)、上部轿厢用辅助电路(30)、下部轿厢用安全电路(40)以及下部轿厢用辅助电路(50)。上部轿厢用安全电路(20)和下部轿厢用安全电路(40)具有:将驱动上部轿厢(14)及下部轿厢(18)的电源(61)的开闭器的励磁线圈(23b、24b、43b、44b)与电源(60)连接、并将层站门开关(21、41)串联连接的主电路(20a、40a);以及从主电路(20a、40a)分支的第一连接部(22)和第三连接部(42)。而且,上部轿厢用辅助电路(30)和下部轿厢用辅助电路(50)分别在下部轿厢(18)和上部轿厢(14)具有第二连接部(31)和第四连接部(51),对层站门开关(21、41)进行旁路。
Landing door switch circuit
层站门开关电路
2023-12-08
Patent
Elektronische Ressource
Chinesisch
IPC: | B66B Aufzüge , ELEVATORS |
DOOR SWITCH INSPECTION DEVICE AND DETECTION METHOD FOR ABNORMAL STATE OF LANDING DOOR SWITCH
Europäisches Patentamt | 2018
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