TW202001816A - Personal safety management system and method - Google Patents

Abstract

A personal safety management system and a personal safety management method are provided. The personal safety management system includes a gas detector, a mobile communication device, a short distance wireless base station and a long distance wireless base station. The short distance wireless base station is disposed in a confined space, and the long distance wireless base station is disposed outside of the confined space. In the personal safety management method, at first, the gas detector is used to detect a harmful gas. Thereafter, when a concentration of the harmful gas is greater than a predetermined threshold value of concentration, the mobile communication device is used to emit a warning message. Then, the short distance wireless base station is used to receive work information including the information of the detected harmful gas from the mobile communication device. Thereafter, the long distance wireless base station is used to receive the work information from the short distance wireless base station through a physical network wire, and to transmit the work information to a data processing station.

Description

Personal safety management system and method

The invention relates to a personal safety management system and method, and in particular to a personal safety management system and method applied in a limited space.

Work in confined spaces, such as cleaning chemical storage tanks, underground pipeline construction, large smoke rushes, large boilers, etc., are mostly manual cleaning and maintenance operations. However, gas poisoning often occurs when working in confined spaces. For example, when toxic volatile gas remains in the chemical storage tank, or methane gas is emitted from underground pipelines, the cleaning and maintenance workers in the confined space may be comatose by inhaling the toxic gas, fall from a height, stand still, or be unwell Unable to move to the exit, etc., so that the external supervisor cannot obtain real-time personnel safety information of the internal workers in the confined space and perform emergency treatment, which causes the life of the operator in the confined space.

Therefore, there is a need for a personal safety management system and method for workers to maintain the personal safety of workers in confined spaces.

Therefore, an object of the present invention is to provide a personal safety management system and method that 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 supervisor And the central control room to avoid danger to the workers. In addition, it can also detect whether the operator in a confined space falls from a height and stays still, or is unable to move to the exit due to physical discomfort to remind the external supervisor and the central control room.

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

According to an embodiment of the invention, the first warning message is an audio 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 located in the confined space to obtain the physiological state information of the operator. It also includes a multi-function emergency safety state detector to detect the safety state of workers located 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 middle Control room to obtain the safety status information of the 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 multi-function emergency safety state detector to receive the aforementioned physiological state information and the emergency safety state information of personnel, wherein The operation message further includes the physiological state information and the emergency safety state information of the personnel, and determines whether to issue the second warning message according to the physiological state information and/or the emergency safety state information.

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 the concentration value of the harmful gas. Then, the mobile communication device is used to receive the harmful gas information, and the operation message is sent through the antenna. The operation message includes 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, the short-range wireless base station is used to receive the operation message from the mobile communication device, wherein the short-range wireless base station is installed in the confined space. Then, the long-distance wireless base station is used to receive operation information from the short-distance wireless base station through a physical network route, and the operation information is transmitted to the data processing station through a wireless transmission method, wherein the long-distance wireless base station is set outside the confined space.

According to an embodiment of the invention, the first warning message is an audio 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 the physiological state of the operator located in the confined space to obtain the physiological state information 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 the second warning message according to the physiological state information and the physiological state threshold.

100、800‧‧‧case

110‧‧‧Manhole

120‧‧‧ Channel Department

200, 200’‧‧‧ mobile electronic device

210‧‧‧ gas detector

220‧‧‧Mobile communication device

230‧‧‧Multifunctional emergency safety state detector

232‧‧‧Wireless communication module

234‧‧‧ Gravity sensing module

300‧‧‧Data processing station

400‧‧‧ physical network route

500‧‧‧Physiological state detector

600‧‧‧Mobile communication device

710~760‧‧‧Step

810‧‧‧Locating label

AP1‧‧‧Short-range wireless base station

AP2‧‧‧Long Range Wireless Base Station

P1, P2‧‧‧operator

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

With regard to the "first", "second", ... etc. used in this article, it does not specifically mean the order or order, it is only to distinguish 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. FIG. 2a is a schematic diagram of a functional block of a mobile electronic device 200. The limited space of this embodiment is constituted by the housing 100. The housing 100 has a manhole 110 for the operator P1 to enter the housing 100 for inspection and maintenance operations. Generally speaking, the housing 100 has a long channel portion 120. When the operator 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 carry out inspection and maintenance operations. However, as the distance into the casing 100 is longer, the concentration of harmful gas inside the casing 100 may become higher and higher, which makes the worker P1 dangerous. In addition, the housing 100 usually contains a metal material to provide a strong structure. However, the metal material makes it difficult for the operator P1 to get in touch with the operator outside the casing 100.

The personal safety management system of this embodiment includes a mobile electronic device 200, a short-range wireless base station AP1 and a long-range wireless base station AP2. The mobile electronic device 200 has a function of detecting harmful gas and judging whether to issue the first warning message according to the detection result (such as the 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 to detect harmful gases, such as carbon monoxide, hydrogen sulfide and other gases, and calculate their concentration values. 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 in a wired or wireless manner to obtain the detection result of the gas detector 210. When the mobile communication device 220 receives the detection result of the gas detector 210, it will determine whether the concentration value of the harmful gas is higher than the preset concentration threshold. If the concentration value of the harmful gas is higher than the preset concentration threshold, the mobile communication device 220 will issue a first warning message to inform the operator to avoid danger to the operator. The first warning message may be, for example, a voice message, a text message or a light message. For example, when the first warning message is a voice message, in addition to using the mobile communication device 220 to send a voice message, the operator can also bring a speaker (such as a speaker) into a confined space to play the voice message.

In another embodiment of the present invention, the mobile communication device 220 can send the operator's operation message to the short-distance wireless base station AP1 through the antenna, and then send the operator's operation message to the long-distance wireless base station AP2 The back-end data processing platform 300, such as the central control computer in the central control room of the factory. The operation message may include the aforementioned harmful gas concentration value, the aforementioned first warning message, the voice message input by the operator, the image message in the confined space 100, etc., but the embodiments of the present invention are not limited thereto.

The short-range wireless base station AP1 is installed in a confined space to receive operation 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 operation information through wireless transmission and forwards it to the long-distance wireless base station AP2. In this embodiment, the short-range wireless base station AP1 is battery-powered and the voltage is below 48 volts to avoid gas explosion in a confined space.

The long-distance wireless base station AP2 is installed outside the confined space, and is connected to the short-distance wireless base station AP1 through the physical network line 400, to receive the operation message by wire transmission, and forward 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 operator in a confined space, the maintenance information can be transmitted to the operator through the long-distance wireless base station AP2, the physical network line 400, and the short-distance wireless base station AP1 in sequence Mobile communication device 220, which can help the operator to carry out maintenance work 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 operator. In this embodiment, the physiological state detector 500 is a smart watch, which can detect the physiological state of the operator's heart rate, blood pressure, etc., and transmit it to the mobile communication device 220. The mobile communication device 220 compares with the preset physiological state threshold according to the physiological state information sent by the physiological state detector 500 to determine whether to issue a second warning message to warn the operator that the current physical condition has become abnormal. In addition, the operation message sent by the mobile communication device 220 may also include physiological state information measured by the physiological state detector 500.

In yet another embodiment of the present invention, another operator P2 may be arranged near the manhole 110, which may use the mobile communication device 600 to obtain the operation information of the operator 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 can obtain operation information from the long-distance wireless base station AP2 through wireless transmission. When the concentration value of the harmful gas obtained is too high, the operator P2 near the manhole 110 may promptly request rescue 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 yet another embodiment of the present invention. The mobile electronic device 200' of this embodiment is similar to the aforementioned mobile electronic device 200, but the difference is that the mobile electronic device 200' further includes a multi-function emergency safety state detector 230. The multi-function emergency safety state detector 230 at least includes a wireless communication module 232 and a gravity sensing module 234. The gravity sensing module 234 is used to detect whether the operator P1 has fallen from a height or is 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 state information detected by the gravity sensing module 234 to the mobile communication device 220 (for example, a tablet computer) for detailed judgment and again to the mobile type of the operator P2 The communication device 600 and the data processing station 300.

In one embodiment, the gravity sensing module 234 detects the stationary state (eg, stationary time) of the operator P1, and the mobile communication device 220 determines the time when the operator P1 is stationary. If the stationary time exceeds the preset time threshold, it means that the operator may have lost mobility. 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 will detect the drop status (eg, drop height) of the operator P1, and the mobile communication device 220 will determine the drop height of the worker P1. If the drop height exceeds the 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 can be implemented 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 (Ultra Wideband, UWB wireless communication device. The functional emergency safety state detector 230 can be attached to the mobile communication device 220. In other embodiments, the multifunctional emergency safety state detector 230 can Designed for other types, such as watches, to facilitate the operator P1 to wear.

Please refer to FIG. 3, which is a schematic flowchart of a personal safety management method for an operator according to an embodiment of the present invention. First, proceed to step 710 to use a gas detector to detect harmful gases to obtain harmful gas information. Next, step 720 is performed to use the gas detector 210 to detect harmful gases to obtain harmful gas information. Then, step 730 is performed to determine whether the concentration of 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 the operator in the confined space. In step 740, if the first warning message is a voice message, the operator can also use the speaker to play the first warning message to ensure that the operator can receive the first warning message.

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

Please refer to FIG. 4, which is a schematic diagram illustrating an enlarged structure of a space-limited housing 800 according to another embodiment of the present invention. In this embodiment, the space-limited 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 understand 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 worker P1 holds the mobile electronic device 200 close to the positioning label 810, the mobile electronic device 200 recognizes the positioning label 800. Generally speaking, when the size of the positioning tag 810 is larger, the mobile electronic device 200 can discriminate the content of the positioning tag 810 at a longer distance, and when the size of the positioning tag 810 is smaller, the mobile electronic device 200 can only The content of the positioning tag 810 is discriminated by the closer distance. Therefore, when the operator P1 approaches the positioning label 810 from far and near and continuously captures the image of the positioning label 810, the mobile electronic device 200 can simultaneously determine the content of the positioning label 810 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 derived.

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

100‧‧‧Housing

110‧‧‧Manhole

120‧‧‧ Channel Department

200‧‧‧Mobile electronic device

300‧‧‧Data processing station

400‧‧‧ physical network route

500‧‧‧Physiological state detector

600‧‧‧Mobile communication device

AP1‧‧‧Short-range wireless base station

AP2‧‧‧Long Range Wireless Base Station

P1, P2‧‧‧operator

Claims (10)

A personal safety management system suitable for a limited space, including: a gas detector for detecting a harmful gas to obtain a harmful gas information, wherein the harmful gas information includes the concentration value of the harmful gas; a mobile Type communication device, electrically connected to the gas detector to receive the harmful gas information, and send an operation message through an antenna, wherein the operation message includes the harmful gas information, and when the concentration of the harmful gas is greater than one When the concentration threshold is preset, the mobile communication device sends a first warning message; a short-distance wireless base station is installed in the confined space for receiving the operation message from the mobile communication device; and a long-distance wireless The base station is located outside the confined space, and is used to receive the operation message from the short-distance wireless base station through a physical network line and transmit the operation message to a data processing station through wireless transmission. As in the personal safety management system described in item 1 of the patent scope, the first warning message is a sound message, a text message or a light message. As described in item 1 of the patent application, the personal safety management system further includes a speaker for dialing the first warning message. As described in item 1 of the patent scope, the personal safety management system further includes a physiological state detector and a multi-function emergency safety state detector. The physiological state detector is used to detect an operation located in the confined space The physiological state of the personnel to obtain information on the physiological state of the operator, and the multi-function emergency safety state detector is used to detect the falling state and the stationary state of the operator in the confined space to obtain the operator One emergency safety status information. The personal safety management system as described in item 4 of the patent application scope, wherein the mobile communication device is electrically connected to the physiological state detector and the multifunctional emergency safety state detector to receive the physiological state information and the Emergency safety state information, wherein the operation message further includes the physiological state information and the emergency safety state information, and determines whether to issue a second warning message according to the physiological state information and/or the emergency safety state information. A personal safety management method applicable to a confined space, including: using a gas detector to detect a harmful gas to obtain a harmful gas information, wherein the harmful gas information includes the concentration value of the harmful gas; using a mobile Communication device to receive the harmful gas information and send an operation message through an antenna, wherein the operation message includes the harmful gas information, and when the concentration of the harmful gas is greater than a preset concentration threshold, the mobile The communication device sends a first warning message; uses a short-range wireless base station to receive the operation message from the mobile communication device, wherein the short-range wireless base station is set in the confined space; and uses a long-range wireless base station to pass A physical network line receives the operation message from the short-distance wireless base station and transmits the operation message to a data processing station through wireless transmission, wherein the long-distance wireless base station is located outside the confined space. The personal safety management method as described in item 6 of the patent application scope, wherein the first warning message is a voice message, a text message or a light message. As described in item 6 of the patent application scope, the personal safety management method further includes using a speaker to play the first warning message. As described in Item 6 of the patent application scope, the personal safety management method further includes using a physiological state detector to detect the physiological state of an operator located in the confined space to obtain information on the physiological state of the operator. As described in item 9 of the patent application scope, the personal safety management method further includes using the mobile communication device to receive the physiological state information, and determining whether to issue a second according to the physiological state information and a preset physiological state threshold Warning message.

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