System and method for workplace safety management

Patent metadata

Field	Value
Publication number	US-12327322-B2
Application number	US-202318190146-A
Country	US
Kind code	B2
Filing date	Mar 27, 2023
Priority date	Nov 21, 2022
Publication date	Jun 10, 2025
Grant date	Jun 10, 2025

Abstract

A system and a method for workplace safety management are provided. The method includes: dividing a work field corresponding to the workplace into work zones; assigning an environmental indicator to each of the work zones according to environmental data of the workplace; generating AR warning image signals according to the work zones and the environmental indicator; transmitting the AR warning image signals respectively to wearable electronic devices located in the workplace; and each of the wearable electronic devices displaying an AR warning image according to the received AR warning image signal.

First claim

What is claimed is:

1. A system for workplace safety management, the system comprising:
a plurality of wearable electronic devices each comprising a communication module, a display and a processor that is electrically connected to the communication module and the display; and
a central control host comprising:
a communication module configured to perform wireless communications with the communication modules of the wearable electronic devices; and
a processor electrically connected to the communication module of the central control host and configured to:
divide a work field corresponding to a workplace into a plurality of work zones;
assign environmental indicators respectively to the work zones according to environmental data of the workplace;
generate a plurality of augmented reality (AR) warning image signals according to the work zones and the environmental indicators; and
transmit the AR warning image signals respectively to the communication modules of the wearable electronic devices via the communication module of the central control host;

wherein the processors of the wearable electronic devices receive the AR warning image signals respectively from the communication modules of the wearable electronic devices, and wherein each of the processors of the wearable electronic devices controls the display to display an AR warning image according to the received AR warning image signal;
wherein the processor of the central control host assigning the environmental indicator of each work zone comprises:
determining whether a difference between work zone data in the environmental data of the workplace corresponding to each work zone and an environmental base value is in a dangerous range, wherein the environmental base value is adjusted by the processor of the central control host according to at least one of a location of the workplace and a user status;
assigning dangerous environmental information to one of the environmental indicators when the corresponding difference is in the dangerous range; and
assigning safe environmental information to one of the environmental indicators when the corresponding difference is not in the dangerous range;
wherein the difference of each work zone comprises a wind speed difference and a wave height difference, and the dangerous environmental information comprises wind strength dangerous information, wave dangerous information and wind and wave dangerous information;

wherein when the processor of the central control host determines whether the difference of each work zone is in the dangerous range and the difference of each work zone is in the dangerous range, the processor of the central control host is configured to:
determine a wind speed dangerous grade of each work zone according to a location of each work zone in the work field and the corresponding wind speed difference, wherein the wind speed dangerous grade comprises one of a first wind speed dangerous grade, a second wind speed dangerous grade and a third wind speed dangerous grade;
determine a wave height dangerous grade of each work zone according to the location of each work zone in the work field and the corresponding wave height difference, wherein the wave height dangerous grade comprises one of a first wave height dangerous grade and a second wave height dangerous grade;
determine the difference of one of the work zones in the dangerous range and assign the wind and wave dangerous information to the environmental indicator when the wind speed dangerous grade is one of the second wind speed dangerous grade and the third wind speed dangerous grade and the wave height dangerous grade is the second wave height dangerous grade in the work zone;
determine the difference of one of the work zones in the dangerous range and assign the wind strength dangerous information to the environmental indicator when the wind speed dangerous grade is the third wind speed dangerous grade and the wave height dangerous grade is the first wave height dangerous grade in the work zone; and
determine the difference of one of the work zones in the dangerous range and assign the wave dangerous information to the environmental indicator when the wind speed dangerous grade is the first wind speed dangerous grade and the wave height dangerous grade is the second wave height dangerous grade in the work zone.

2. The system of claim 1 , further comprising:
a first unmanned device comprising a communication module that is configured to perform wireless communications with the communication modules of the wearable electronic devices and the communication module of the central control host;
wherein when the processor of the central control host generates and transmits the AR warning image signals to the communication module of the central control host, the communication module of the central control host transmits the AR warning image signals to the communication module of the first unmanned device, and the communication module of the first unmanned device transmits the AR warning image signals respectively to the communication modules of the wearable electronic devices.

3. The system of claim 2 , further comprising:
a plurality of second unmanned devices each comprising a communication module that is configured to perform wireless communications with one of the communication modules of the wearable electronic devices and the communication module of the first unmanned device;
wherein when the processor of the central control host generates and transmits the AR warning image signals to the communication module of the central control host, the communication module of the central control host transmits the AR warning image signals to the communication module of the first unmanned device, and the communication module of the first unmanned device transmits the AR warning image signals respectively to the communication modules of the second unmanned devices, and the communication modules of the second unmanned devices transmit the AR warning image signals respectively to the communication modules of the wearable electronic devices.

4. The system of claim 3 , wherein the first unmanned device further comprises a first camera that is configured to capture a first image within a first monitoring range, and the first image is transmitted to the central control host via the communication module of the first unmanned device;
wherein each of the second unmanned devices further comprises a second camera that is configured to capture a second image within a second monitoring range, and the second image is transmitted to the first unmanned device via the communication module of the second unmanned device and transmitted to the central control host via the first unmanned device.

5. The system of claim 3 , wherein the environmental data of the workplace comprises at least one of wind strength data, wave data and fire detection data in the workplace, wherein the wind strength data comprise wind direction information and wind speed information, and the wave data comprise wave direction information and wave height information.

6. The system of claim 5 , wherein the first unmanned device further comprises a first wind strength detector and a first fire detector, wherein the first wind strength detector is configured to detect a wind direction and a wind speed at a location of the first unmanned device, and the first fire detector is configured to detect whether a fire occurs at the location of the first unmanned device;
wherein each of the second unmanned devices further comprises a second wind strength detector and a second fire detector, wherein the second wind strength detector is configured to detect a wind direction and a wind speed at a location of the second unmanned device, and the second fire detector is configured to dete

Assignees

• Metal Ind Res & Dev Ct

Inventors

• Chen Shuo-Yen
• Wang Wei-Ching
• Chen Wei-Te

Classifications

• G08B21/02

  Alarms for ensuring the safety of persons · CPC title

• H04W64/003 Primary

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• G06T19/006 Primary

  Mixed reality (object pose determination, tracking or camera calibration for mixed reality G06T7/00) · CPC title