TWI677856B - Personal safety management system and method - Google Patents

Abstract

A personal safety management system and method. The personal safety management system includes a gas detector, a mobile communication device, a short-range wireless base station, and a long-range wireless base station. The short-range wireless base station is set in a confined space, and the long-range wireless base station is set outside the confined space. In this personal safety management method, a gas detector is first used to detect harmful gases. Then, when the concentration of the harmful gas is greater than a preset concentration threshold, a warning message is issued by using the mobile communication device. Then, the short-range wireless base station is used to receive the operation information containing the harmful gas information from the mobile communication device. Then, the long-range wireless base station is used to receive the operation information from the short-range wireless base station through the physical network route, and transmits it to the data processing station.

Description

Personal safety management system and method

The present invention relates to a personal safety management system and method, and more particularly, to a personal safety management system and method applied to confined spaces.

Work in confined spaces, such as cleaning chemical storage tank cleaning, underground pipeline construction, large smoke rushes, large boilers, etc., is mostly manual cleaning and maintenance operations. However, gas contamination often occurs in operations in confined spaces. For example, when toxic volatile gases are left in chemical storage tanks or biogas is emitted from underground pipelines, workers who perform cleaning and maintenance in confined spaces may become unconscious because of inhaling toxic gases, fall from a height, stand still, or be unwell Unable to move to the exit, etc., so that the external supervisor cannot obtain the real-time personnel safety information of the internal operators in the confined space, and perform emergency processing, causing the operators in the confined space to lose their lives.

Therefore, there is a need for an operator's personal safety management system and method to maintain the operator's personal safety in a confined space.

Therefore, an object of the present invention is to provide a personal safety management system and method, which can detect the presence of harmful gases in a confined space and determine whether the operator may be in danger, and issue a warning message to remind the operator and external supervisors And central control room to avoid danger to operators. In addition, it can also detect whether the operator in the confined space has fallen from a height and stayed still, or is unable to move to the exit due to physical discomfort, to remind external supervisors and the control room.

According to the above object of the present invention, a personal safety management system is proposed. The personal safety management system includes a gas detector, a mobile communication device, a short-range wireless base station, and a long-range wireless base station. A gas detector is used to detect harmful gases to obtain information about harmful gases. This harmful gas information contains the concentration value of the harmful gas. The mobile communication device is electrically connected to the gas detector to receive harmful gas information and send an operation message through the antenna. Among them, this operation message contains the above-mentioned hazardous gas information. When the concentration of the harmful gas is greater than a preset concentration threshold, the mobile communication device will issue a first warning message. The short-range wireless base station is set in a confined space and is used to receive the above-mentioned operation information from the mobile communication device. The long-distance wireless base station is located outside the confined space, and is used to receive operation information from the short-range wireless base station through the physical network route, and transmit the operation information to the data processing station through wireless transmission.

According to an embodiment of the present invention, the first warning message is a voice message, a text message, or a light message.

According to an embodiment of the present invention, the above-mentioned personal safety management system further includes a speaker, which is used to play the aforementioned first warning message.

According to an embodiment of the present invention, the above-mentioned personal safety management system further includes a physiological state detector, which is used to detect the physiological state of the operator in a limited space to obtain the physiological state information of the operator. It also contains a multi-function emergency safety status detector to detect the safety status of workers in confined spaces, such as falling from a height, standing still, or being unwell and unable to move. For emergency help, external workers (such as supervisors) and middlemen Control room to obtain information on the safety status of operators in confined spaces.

According to an embodiment of the present invention, the mobile communication device is electrically connected to a physiological state detector and a multifunctional emergency safety state detector to receive the physiological state information and the emergency safety state information of the personnel. The operation message further includes the physiological state information and the emergency safety state information of the personnel, and according to the physiological state information and / or the emergency safety state information, it is determined whether to issue a second warning message.

According to the above object of the present invention, a personal safety management method is proposed. In this personal safety management method, a gas detector is first used to detect harmful gas to obtain harmful gas information, wherein the harmful gas information includes a concentration value of the harmful gas. Then, the mobile communication device is used to receive the harmful gas information, and the operation message is transmitted through the antenna. The operation message contains the harmful gas information, and when the concentration of the harmful gas is greater than the preset concentration threshold, the mobile communication device is used to send the first A warning message. Then, a short-range wireless base station is used to receive operation information from the mobile communication device, wherein the short-range wireless base station is set in a confined space. Next, using long-range wireless The base station receives the operation information from the short-range wireless base station through the physical network route, and transmits the operation information to the data processing station through wireless transmission. The long-range wireless base station is set outside the confined space.

According to an embodiment of the present invention, the first warning message is a voice message, a text message, or a light message.

According to an embodiment of the present invention, the above-mentioned personal safety management method further includes using a speaker to play the first warning message.

According to an embodiment of the present invention, the above-mentioned personal safety management method further includes using a physiological state detector to detect a physiological state of an operator in a confined space to obtain information on the physiological state of the operator.

According to an embodiment of the present invention, the above-mentioned personal safety management method further includes using a mobile communication device to receive physiological state information, and determining whether to issue a second warning message according to the physiological state information and a physiological state threshold.

100, 800‧‧‧ shell

110‧‧‧ manhole

120‧‧‧Channel Department

200, 200’‧‧‧ mobile electronic device

210‧‧‧Gas detector

220‧‧‧ mobile communication device

230‧‧‧Multifunctional emergency safety status detector

232‧‧‧Wireless communication module

234‧‧‧ gravity sensing module

300‧‧‧Data Processing Platform

400‧‧‧ physical network route

500‧‧‧ physiological state detector

600‧‧‧ mobile communication device

710 ~ 760‧‧‧step

810‧‧‧ Positioning tags

AP1‧‧‧Short Range Wireless Base Station

AP2‧‧‧long-range wireless base station

P1, P2‧‧‧Operators

For a more complete understanding of the embodiment and its advantages, reference is now made to the following description in conjunction with the accompanying drawings, in which: [FIG. 1] is a schematic diagram showing the application of a personal safety management system according to an embodiment of the present invention to a confined space; 2a] is a functional block diagram of a mobile electronic device according to an embodiment of the present invention; [Fig. 2b] is a functional block diagram of a mobile electronic device according to another embodiment of the present invention; [Fig. 3] is a schematic flowchart of a personal safety management method of an operator according to an embodiment of the present invention; 4] A schematic diagram showing an enlarged structure of a limited space housing according to another embodiment of the present invention.

Regarding the "first", "second", ... and the like used herein, they do not specifically mean the order or the order, but merely the difference between the elements or operations described in the same technical terms.

Please refer to FIG. 1 and FIG. 2a at the same time. FIG. 1 is a schematic diagram of a personal safety management system applied to a confined space according to an embodiment of the present invention, and FIG. The limited space of this embodiment is formed by the casing 100. The casing 100 has a manhole 110 for an operator P1 to enter the casing 100 for inspection and maintenance operations. Generally speaking, the housing 100 has a long channel portion 120. After the worker P1 enters the casing 100 through the manhole 110, he needs to enter the depth of the casing 100 along the passage portion 120 to perform inspection and maintenance operations. However, as the distance into the casing 100 is longer, the concentration of harmful gases inside the casing 100 may become higher and higher, which makes the worker P1 dangerous. In addition, the casing 100 generally includes a metal material to provide a strong structure. However, the metal material makes it difficult for the worker P1 to contact the worker outside the casing 100.

The personal safety management system of this embodiment includes a mobile electronic Device 200, short-range wireless base station AP1, and long-range wireless base station AP2. The mobile electronic device 200 has a function of detecting harmful gas, and determining whether to send a first warning message according to a detection result (for example, a concentration value of the harmful gas). As shown in FIG. 2a, in this embodiment, the mobile electronic device 200 includes a gas detector 210 and a mobile communication device 220. The gas detector 210 is used for detecting harmful gases, such as carbon monoxide, hydrogen sulfide, and the like, and calculating its concentration value. The mobile communication device 220 is used to receive the detection result of the gas detector 210 and determine whether to issue a warning according to the detection result.

The mobile communication device 220 may be, for example, a smart phone or a tablet computer, which may be connected to the gas detector 210 through a wired or wireless manner to obtain a detection result of the gas detector 210. When the mobile communication device 220 receives the detection result of the gas detector 210, it determines whether the harmful gas concentration value is higher than a preset concentration threshold. If the harmful gas concentration value is higher than a preset concentration threshold, the mobile communication device 220 will send a first warning message to inform the operator to avoid danger to the operator. The first warning message may be, for example, an audio message, a text message, or a light message. For example, when the first warning message is an audio message, in addition to using the mobile communication device 220 to send out an audio message, the operator can also bring a speaker (such as a speaker) into a limited space to play the audio message.

In another embodiment of the present invention, the mobile communication device 220 may send the operator's operation information to the short-range wireless base station AP1 through the antenna, and then transmit the operator's operation information to the short-range wireless base station AP2 to Back-end data processing platform 300, such as the plant central control Control computer in the room. The operation message may include the aforementioned harmful gas concentration value, the aforementioned first warning message, a voice message input by an operator, and an image message in the confined space 100, but the embodiment of the present invention is not limited thereto.

The short-range wireless base station AP1 is set in a confined space to receive job messages sent by the mobile communication device 220. In this embodiment, the short-range wireless base station AP1 is a Wi-Fi wireless base station, which receives the operation information through wireless transmission and forwards it to the long-range wireless base station AP2. In this embodiment, the short-range wireless base station AP1 is powered by a battery and the voltage is below 48 volts to avoid causing a gas explosion in a confined space.

The long-distance wireless base station AP2 is located outside the confined space, and is connected to the short-distance wireless base station AP1 through the physical network line 400, and receives the operation information by using a wired transmission method and forwards it to the data processing station 300. In this embodiment, the long-distance wireless base station AP2 may also be a Wi-Fi wireless base station, but the embodiment of the present invention is not limited thereto.

Similarly, when the data processing station 300 wants to provide maintenance information to the operators in the confined space, the maintenance information can be sequentially transmitted to the operators through the long-range wireless base station AP2, the physical network line 400, and the short-range wireless base station AP1. The mobile communication device 220 can help operators perform maintenance operations in a limited space.

In yet another embodiment of the present invention, the personal safety management system may further include a physiological state detector 500, which is used to detect the physiological state of the worker. In this embodiment, the physiological state detector 500 is a smart watch, which can detect the physiological states such as the heart rate and blood pressure of the worker, and transmit it to Mobile communication device 220. The mobile communication device 220 compares with the preset physiological state threshold according to the physiological state information transmitted by the physiological state detector 500 to determine whether to send a second warning message to warn the operator that the current physical condition of the body is abnormal. In addition, the above-mentioned operation message sent by the mobile communication device 220 may also include physiological state information measured by the physiological state detector 500.

In another embodiment of the present invention, another worker P2 may be arranged near the manhole 110, and the mobile communication device 600 may be used to obtain the work information of the worker P1 from the long-distance wireless base station AP2, and accordingly Take appropriate action. For example, in this embodiment, the mobile communication device 600 may be a smart phone or a tablet computer, which may obtain operation information from the long-distance wireless base station AP2 through a wireless transmission method. When the obtained harmful gas concentration value is too high, the operator P2 near the manhole 110 may request rescue in time to rescue the operator in the confined space as soon as possible.

Please refer to FIG. 2b, which is a functional block diagram of a mobile electronic device 200 'according to another embodiment of the present invention. The mobile electronic device 200 'in this embodiment is similar to the aforementioned mobile electronic device 200, but the difference is that the mobile electronic device 200' further includes a multifunctional emergency safety status detector 230. The multifunctional emergency safety state detector 230 includes at least a wireless communication module 232 and a gravity sensing module 234. The gravity sensing module 234 is used to detect whether the worker P1 has fallen from a high place, or is standing still, and transmits the measured result (hereinafter referred to as emergency safety status information) to the wireless communication module 232. Then, the wireless communication module 232 transmits the emergency safety status information detected by the gravity sensing module 234 to the mobile communication device. 220 (for example, a tablet computer) to perform detailed judgment and retransmit to the mobile communication device 600 and the data processing station 300 of the worker P2.

In one embodiment, the gravity sensing module 234 detects the stationary state (such as the stationary time) of the worker P1, and the mobile communication device 220 determines the time when the worker P1 is stationary. If the stationary time exceeds the preset time threshold, it means that the operator may have lost the ability to move. At this time, the mobile communication device 220 will issue the above warning message to inform the external operator P2.

Furthermore, in an embodiment, the gravity sensing module 234 detects and detects the falling state (for example, falling height) of the worker P1, and the mobile communication device 220 determines the falling height of the worker P1. If the falling height exceeds a preset height threshold, it means that the operator may be in danger of life. At this time, the mobile communication device 220 will issue the above warning message to inform the external operator P2.

In this embodiment, the multi-function emergency safety state detector 230 may be implemented by using a positioning tag, wherein the gravity sensing module 234 is a G-sensor including a gyroscope and an accelerometer, and wireless communication The module 232 is an Ultra Wideband (UWB) wireless communication device. The function emergency safety status detector 230 may be attached to the mobile communication device 220. In other embodiments, the multifunctional emergency safety status detector 230 may be Designed for other types, such as watches, for easy wearing by operator P1.

Please refer to FIG. 3, which is a schematic flowchart illustrating a method for personal safety management of an operator according to an embodiment of the present invention. First, step 710 is performed to detect a harmful gas using a gas detector to obtain a harmful gas. Information. Then, step 720 is performed to use the gas detector 210 to detect harmful gas to obtain harmful gas information. Then, step 730 is performed to determine whether the concentration of the harmful gas is greater than a preset concentration threshold. When the concentration of the harmful gas is greater than the preset concentration threshold, step 740 is performed to use the mobile communication device 220 to issue the aforementioned first warning message to warn workers in the confined space. In step 740, if the first warning message is an audio message, the operator can also use the speaker to play the first warning message to ensure that the worker can receive the first warning message.

After step 720, step 750 is performed to receive the work message from the mobile communication device 220 using the short-range wireless base station AP1. Then, step 760 is performed to use the long-range wireless base station AP2 to receive the operation information from the short-range wireless base station AP1 through the physical network line 400, and transmit the operation information to the data processing station 300 through the wireless transmission method. In addition, if the operator in the confined space is equipped with a physiological state detector, the physiological state information of the operator may be incorporated into the operator's operation message in step 750 to be transmitted back to the data processing station 300.

Please refer to FIG. 4, which is a schematic diagram illustrating an enlarged structure of a housing 800 with limited space according to another embodiment of the present invention. In this embodiment, the limited-space housing 800 is similar to the aforementioned housing 100, except that the housing 800 is further provided with a plurality of positioning labels 810 for the operator P1 to know that the housing 800 is currently located in the housing 800. Which position. In this embodiment, the positioning tag 810 is an AR code. When the operator P1 holds the mobile electronic device 200 close to the positioning tag 810, the mobile electronic device 200 recognizes the positioning tag 800. Generally speaking, when the size of the positioning label 810 is larger, the mobile type The electronic device 200 can determine the content of the positioning label 810 at a longer distance, and when the size of the positioning label 810 is smaller, the mobile electronic device 200 can only determine the content of the positioning label 810 at a shorter distance. Therefore, when the operator P1 approaches the positioning tag 810 from a distance and closes and continuously captures the image of the positioning tag 810, the mobile electronic device 200 can determine the content of the positioning tag 810 at the same time according to the preset label size and The distance relationship is used to obtain the distance between the mobile electronic device 200 and the positioning tag 810. Since the position of the positioning tag 810 is known, the position of the mobile electronic device 200 (that is, the position of the worker P1) can be pushed.

Although the present invention has been disclosed as above with the examples, it is not intended to limit the present invention. Any person with ordinary knowledge in the technical field can make some modifications and retouching without departing from the spirit and scope of the present invention. The protection scope of the present invention shall be determined by the scope of the attached patent application.

Claims (6)

A personal safety management system suitable for a confined space includes: a gas detector for detecting a harmful gas to obtain a harmful gas information, wherein the harmful gas information includes a concentration value of the harmful gas; a physiological State detector for detecting the physiological state of an operator in the confined space to obtain physiological state information of the operator; a multifunctional emergency safety state detector, wherein the multifunctional emergency safety state The detector is used to detect the falling state and stationary state of the operator in the confined space to obtain emergency safety status information of one of the operators; a first mobile communication device electrically connected to the gas detection Detector, the physiological state detector, and the multifunctional emergency safety state detector to receive the harmful gas information, the physiological state information, and the emergency safety state information, and send an operation message through an antenna, the operation The message contains the harmful gas information, the physiological state information and the emergency safety state information, and when the concentration of the harmful gas is When it is greater than a preset concentration threshold, the first mobile communication device sends a first warning message, and the first mobile communication device is used to determine whether to issue the alarm according to the physiological state information and / or the emergency safety state information. A second warning message; a short-range wireless base station set in the confined space for receiving the operation message from the first mobile communication device; a long-range wireless base station set outside the confined space for Receiving the operation message from the short-distance wireless base station through a physical network route, and transmitting the operation message to a data processing station through wireless transmission; and a second mobile communication device, which is located adjacent to the limitation A manhole in the space is located outside the confined space. The second mobile communication device is used to obtain the operation information from the long-range wireless base station. The personal safety management system according to item 1 of the scope of patent application, wherein the first warning message is a voice message, a text message or a light message. According to the personal safety management system described in item 1 of the scope of patent application, the personal safety management system further includes a speaker for playing the first warning message. A personal safety management method applicable to a confined space includes: using a gas detector to detect a harmful gas to obtain a harmful gas information, wherein the harmful gas information includes a concentration value of the harmful gas; using a physiological A state detector to detect the physiological state of an operator in the confined space to obtain the physiological state information of the operator; a multifunctional emergency safety state detector is used to detect the The worker's stooping and stationary status to obtain one of the workers' emergency safety status information; a first mobile communication device is used to receive the harmful gas information, the physiological status information and the emergency safety status information, and through An antenna to send an operation message, the operation message includes the harmful gas information, the physiological state information, and the emergency safety state information, wherein when the concentration of the harmful gas is greater than a preset concentration threshold, the first mobile type is used The communication device sends a first warning message; according to the physiological state information and / or the emergency safety state Information to determine whether to use the first mobile communication device to send a second warning message; use a short-range wireless base station to receive the operation message from the first mobile communication device, where the short-range wireless base station is located at In the confined space, a long-range wireless base station is used to receive the operation information from the short-range wireless base station through a physical network route, and the wireless transmission method is used to transmit the operation information to a data processing station, where the long The distance wireless base station is disposed outside the confined space; and a second mobile communication device is used to obtain the operation information from the long-range wireless base station, wherein the second mobile communication system is adjacent to a manhole located in the confined space. , And located outside the confined space. According to the personal safety management method described in item 4 of the scope of patent application, wherein the first warning message is a voice message, a text message, or a light message. As described in item 4 of the scope of the patent application, the personal safety management method further includes using a speaker to play the first warning message.