Patent ID: 11933452
Assignee: JINGDONG TECHNOLOGY INFORMATION TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC F  G  H | IPC F  G  H

Claim 11:
12. A detection device, wherein the detection device comprises a control device of a lifting platform of the detection device, for controlling the lifting platform of the detection device, wherein the control device comprises: a first distance measuring sensor, arranged at top of the detection device; a first processor connected with the first distance measuring sensor, wherein the first processor is configured to obtain a first distance measurement instruction, and control the first distance measuring sensor to measure a first distance between the top of the detection device and an obstacle directly above the detection device according to the first distance measurement instruction; wherein the first processor is further configured to obtain the first distance sent by the first distance measuring sensor, generate an elevation instruction according to the first distance, and control a lifting motor of the detection device to drive the lifting platform to rise to a target position from a current position according to the elevation instruction, such that the lifting platform does not collide with the obstacle, the detection device further comprises an image acquisition device, the image acquisition device is movably connected to the lifting platform, the image acquisition device is able to move in a first direction parallel to an axis of the lifting platform, and/or move in a second direction perpendicular to the first direction;
the detection device further comprises a moving part for supporting the detection device to move on a bearing surface, wherein the control further comprises:
a second processor;
a Controller Area Network CAN transceiver;
wherein one end of the CAN transceiver is connected to the first processor through a CAN bus, and the other end of the CAN transceiver is connected to a first input end of the second processor;
an interface conversion circuit, wherein one end of the interface conversion circuit is connected to a first output end of the second processor, and the other end of the interface conversion circuit is connected to the first distance measuring sensor;
wherein the first processor is configured to obtain the first distance measurement instruction, and send the first distance measurement instruction to the CAN transceiver through the CAN bus;
the CAN transceiver is configured to send the first distance measurement instruction to the second processor after receiving the first distance measurement instruction;
the second processor is configured to convert the first distance measurement instruction according to a protocol conversion format, and send the converted first distance measurement instruction to the first distance measuring sensor through the interface conversion circuit;
the first distance measuring sensor is configured to measure the first distance according to the converted first distance measurement instruction,
wherein the control device further comprises: a lifting motor drive circuit, wherein one end of the lifting motor drive circuit is connected to the lifting motor, and the other end of the lifting motor drive circuit is connected to a second output end of the second processor;
wherein, the first processor is configured to send the elevation instruction to the second processor after generating the elevation instruction;
the second processor is configured to control the lifting motor to drive the lifting platform to rise to the target position according to the elevation instruction,
wherein the control device further comprises: a safety redundant control circuit, connected with a power supply module for supplying power for the lifting motor drive circuit;
wherein the safety redundant control circuit is configured to generate a power-off instruction when it is determined that a second distance between a top of the lifting platform and the obstacle is smaller than a target distance during a process of the lifting platform rising to the target position, and control the power supply module to stop supplying power for the lifting motor drive circuit according to the power-off instruction.