Crrc Qingdao Sifang Co., Ltd.

Xiaojie Yu

Jianying Liang

Huiqing Zhang

Qing Tian

Qingjun Han

Xin Jiang

Lijun Ma

Bo Chen

Miao Wang

Baoqiang Shan

Chanjuan Xiao

Mingkun Liu

Disclosed is an alarming and unlocking device. The alarming and unlocking device is installed in a passenger carriage and includes a control switch (), a communication device, and a locking device, wherein the control switch () is provided with an alarming position () and an unlocking position (); the control switch () is in signal connection with the communication device; when the control switch () is located at the alarming position (), the communication device is started to receive and send a voice signal; the locking device is installed on a door so as to control the door to lock or unlock; the control switch () is in signal connection with the locking device; and when the control switch () is located at the unlocking position (), the locking device performs an unlocking operation. According to the alarming and unlocking device, the problem that a structure for an alarming and unlocking device on a vehicle is relatively complex in the conventional art is solved.

Alarming and unlocking device

A method and a device for transmitting signals among compartments of a train are provided. The method comprises: receiving a first signal transmitted via a jumper cable, and extracting first data carried in the first signal; receiving a second signal transmitted wirelessly corresponding to the first signal, and extracting second data carried in the second signal; and determining whether the first data is identical with the second data, and outputting the first signal in a case that it is determined that the first data is identical with the second data, or outputting the second signal in a case that it is determined that the first data is not identical with the second data. The method and the device improve the reliability of transmission of signals among compartments of a train.

Method and device for transmitting signal among compartments of train

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Qingdao, China

Xiaojie Yu