CN-121974030-A - Transfer case for precision parts, event monitoring method and device for transfer case

CN121974030ACN 121974030 ACN121974030 ACN 121974030ACN-121974030-A

Abstract

The application relates to the technical field of intelligent logistics, and discloses a turnover box for precise components, and an event monitoring method and device for the turnover box. The turnover box comprises a box body, a stacking identification component, a weight detection component, an attitude detection component, an event monitoring device and an event monitoring device, wherein the box body is used for accommodating precision components, the stacking identification component is arranged at the upper edge and the lower edge of the box body and used for detecting the stacking state of the box body, the weight detection component is arranged at the bottom of the box body and used for collecting weight change data of the box body, the attitude detection component is arranged on the inner wall of the box body and used for collecting attitude change data of the box body, the event monitoring device is electrically connected with the stacking identification component, the weight detection component and the attitude detection component and used for monitoring abnormal handling events in the transportation process of the turnover box according to the stacking state, the weight change data and the attitude change data, and the event monitoring device is further used for integrating all data of the abnormal handling events into an abnormal data packet and locally storing the abnormal data packet. When an abnormal conveying event exists, the method and the device can record the detailed information of the abnormal conveying event.

Inventors

ZHANG GUOQING
GAO DECHAO
ZHANG ZEZHENG
CUI XIUYUAN

Assignees

青岛巨商汇网络科技有限公司

Dates

Publication Date: 20260505
Application Date: 20251230

Claims (10)

1. A transfer case for precision parts, comprising: A case for accommodating the precision member; The stacking identification assembly is arranged at the upper edge and the lower edge of the box body and is used for detecting the stacking state of the box body; the weight detection part is arranged at the bottom of the box body and is used for acquiring weight change data of the box body; The gesture detection piece is arranged on the inner wall of the box body and is used for acquiring gesture change data of the box body; the event monitoring device is electrically connected with the stacking identification component, the weight detection component and the gesture detection component, and is used for monitoring abnormal handling events in the transportation process of the turnover box according to the stacking state, the weight change data and the gesture change data, integrating all data of the abnormal handling events into an abnormal data packet and locally storing the abnormal handling events.
2. The tote of claim 1, wherein the stack identification assembly comprises: The mechanical positioning structure comprises a groove arranged at the upper edge of the box body and a boss arranged at the lower edge of the box body; The signal transmission assembly is arranged in the groove at the upper edge of the box body and the boss at the lower edge of the box body, and comprises an electric contact piece and/or a magnetic induction piece and is used for identifying a trigger signal when two turnover boxes are stacked so as to determine the stacking state of the box body.
3. The tote of claim 1, wherein the event monitoring device comprises: the MCU is used for monitoring abnormal handling events in the transportation process of the turnover box according to the stacking state, the weight change data and the posture change data; the safety chip is electrically connected with the MCU unit and is used for carrying out digital signature and chain hash on all data of the abnormal handling event to form an abnormal data packet after the abnormal handling event is identified; the low-power consumption communication module is arranged on the box body, is in communication connection with the cloud server and is used for sending the abnormal data packet to the cloud server.
4. A transfer case according to any one of claims 1 to 3, further comprising: the temperature and humidity detection piece is arranged on the inner wall of the box body, is electrically connected with the event monitoring device and is used for detecting temperature and humidity data in the box body; the event monitoring device is also used for monitoring abnormal storage events in the transportation process of the turnover box according to the temperature and humidity data.
5. An event monitoring method for a transfer case, applied to the transfer case according to any one of claims 1 to 4, the event monitoring method comprising: acquiring stacking state, weight change data and attitude change data of a box body in the transportation process of the turnover box; identifying a handling event in the transportation process of the turnover box based on the stacking state, the weight change data and the posture change data according to a preset judging rule; When an abnormal handling event exists, digital signature and chain hash processing are carried out on all data of the abnormal handling event, and an abnormal data packet is generated.
6. The event monitoring method according to claim 5, wherein acquiring the stacking state, the weight change data, and the posture change data of the container during transportation of the turnover container comprises: Monitoring the stacking state of the boxes in the transportation process of the turnover boxes based on the stacking identification assembly; And under the condition that the stacking state is changed, activating the weight detecting piece and the gesture detecting piece, and respectively acquiring weight change data and gesture change data.
7. The method of claim 5, wherein the weight change data comprises a step magnitude and the attitude change data comprises an acceleration peak, and wherein identifying a handling event during transportation of the tote based on the stacking status, the weight change data, and the attitude change data according to a predetermined decision rule comprises: Determining that no abnormal handling event exists when the stacking state is changed from open to closed and the step amplitude is a positive value and the acceleration peak value is smaller than the first acceleration threshold value; In the case where the stacked state is changed from closed to open, it is determined that an abnormal conveyance event exists, and the type of the abnormal conveyance event is determined from the weight change data and the posture change data.
8. The method of claim 7, wherein the attitude change data further includes an attitude angle, wherein determining the type of abnormal handling event based on the weight change data and the attitude change data includes: under the condition that the step amplitude is a negative value smaller than the first weight threshold value and the acceleration peak value is larger than the second acceleration threshold value, determining the type of the abnormal handling event as a falling event; Under the condition that the attitude angle is larger than or equal to the angle threshold value and the change value of the step amplitude is smaller than the second weight threshold value, determining that the type of the abnormal handling event is an inversion event or a side turning event; Under the condition that the attitude angle is unchanged and the duration time of the step amplitude reaching the third weight threshold value is greater than or equal to the set duration time, determining the type of the abnormal handling event as an overload event; And under the condition that the acceleration peak value is larger than a third acceleration threshold value and the change value of the step amplitude is smaller than a second weight threshold value, determining that the type of the abnormal handling event is an external impact event.
9. The event monitoring method according to any one of claims 5 to 8, wherein after generating the abnormal data packet, the event monitoring method further comprises: The abnormal data packet is locally stored; And uploading the abnormal data packet to the cloud server under the condition that the uploading condition is met.
10. An event monitoring device for a tote comprising a processor and a memory storing program instructions, wherein the processor is configured, when executing the program instructions, to perform the event monitoring method for a tote of any of claims 5 to 9.

Description

Transfer case for precision parts, event monitoring method and device for transfer case Technical Field The application relates to the technical field of intelligent logistics, in particular to a turnover box for precise components, and an event monitoring method and device for the turnover box. Background At present, in order to ensure the transportation safety of precision components (such as optical lenses, semiconductor wafers, precision instruments, etc.) during transportation, the precision components are usually stored in a standardized turnover box for transportation and circulation, but during the manual or mechanical transportation process, the turnover box is extremely easy to fall, invert, collide or overload stack, and other abnormal operations, so that the precision components stored in the interior are damaged. If the damaged precision part flows into a subsequent link, the safety hazard of equipment applying the precision part can be caused. In the related art, passive mechanical or chemical indicators (e.g., impact indication tags, tilt indication tags) are provided on the transfer case. The indicator is attached to the outside of the tote in the form of a label, and when the tote is impacted or tilted beyond a preset threshold, an irreversible physical or chemical change occurs to provide a visual alert so that a user can determine from the indicator if an abnormal handling event has occurred during transportation of the tote. In the process of implementing the embodiments of the present disclosure, it is found that the related art has at least the following problems: According to the related technical scheme, whether the transfer box has an abnormal handling event or not can only be determined, so that a responsible main body cannot be positioned during post-tracing. Therefore, how to record the detailed information of the abnormal handling event when the abnormal handling event occurs in the turnover box so as to provide objective evidence for the subsequent positioning responsibility main body becomes a technical problem to be solved. It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the application and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art. Disclosure of Invention The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows. The embodiment of the disclosure provides a turnover box for precision parts, an event monitoring method and an event monitoring device for the turnover box, which can identify whether an abnormal handling event occurs in the transportation process of the turnover box, and can record detailed information of the abnormal handling event when the abnormal handling event exists. In some embodiments, the turnover box for the precision components comprises a box body, a stacking identification assembly, a weight detection assembly, an attitude detection assembly, an event monitoring device and a control unit, wherein the box body is used for accommodating the precision components, the stacking identification assembly is arranged at the upper edge and the lower edge of the box body and used for detecting the stacking state of the box body, the weight detection assembly is arranged at the bottom of the box body and used for collecting weight change data of the box body, the attitude detection assembly is arranged on the inner wall of the box body and used for collecting the attitude change data of the box body, the event monitoring device is electrically connected with the stacking identification assembly, the weight detection assembly and the attitude detection assembly and used for monitoring abnormal handling events in the transportation process of the turnover box according to the stacking state, the weight change data and the attitude change data, and is further used for integrating all data of the abnormal handling events into an abnormal data package and storing the abnormal data package locally. Optionally, the stacking identification assembly comprises a mechanical positioning structure and a signal transmission assembly, wherein the mechanical positioning structure comprises a groove arranged at the upper edge of the box body and a boss arranged at the lower edge of the box body, and the signal transmission assembly is arranged in the groove at the upper edge of the box body and the boss at the lower edge of the box body and comprises an electric contact piece and/or a magnetic induction piece and is used for identifying a trigger signal when two turnover boxes are stacked so as to determine the stacking st