JP2022179706A - Portable information terminal and user management system having portable information terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable a user's state to be managed appropriately on the basis of detection data of various sensors, and to cope appropriately as needed.

SOLUTION: A portable information terminal 3 includes: a display screen 33 for displaying a user's state corresponding to data on at least one of a user's biological information, environment information, and motion information detected by various sensors 2 disposed in the periphery of the user's head; and a display control unit 34 for executing control to cause the display screen 33 to display an image. The portable information terminal 3 is used in a state of being held at a body site other than the periphery of the user's head. The display control unit 34 executes control to cause the display screen 33 to display an image different from one at normal times when it is determined that an abnormality has occurred to the user on the basis of the detection data of the various sensors 2. Also provided are a user management system having the portable information terminal, and a holding member for the portable information terminal.

SELECTED DRAWING: Figure 3

COPYRIGHT: (C)2023,JPO&INPIT

Description

The present invention relates to a mobile information terminal that manages the state of a user based on detection data from various sensors that detect the user's biological information, environmental information, motion information, etc., and a user management system equipped with the mobile information terminal.

Conventionally, in a heat stroke detection system in which the heat stroke of a plurality of users (subjects) in the work area is managed by a management device outside the work area, this heat stroke detection system is provided by each of the plurality of users. a plurality of heat stroke detection devices for detecting heat stroke of each user, and a threshold related to the biological information of the subject for wirelessly communicating with the plurality of heat stroke detection devices and detecting heat stroke of each user. , the management device that transmits a transmission cycle, which is a cycle related to transmission, and a discrimination cycle, which is a cycle related to discrimination of heat stroke of each user, to the heat stroke detection device, and the heat stroke detection device is provided for each user a sensor for acquiring biological information; storage means for storing the threshold value, the transmission period and the discrimination period received from the management device; heat stroke notification means for notifying the user of heat stroke; Whether the biological information exceeds the threshold when the user's biological information is acquired from the sensor and the biological information is acquired from the sensor while transmitting the acquired biological information to the management device at the transmission cycle. a processing means for determining whether or not, and if the threshold is exceeded, transmitting a fact that the user has a heat stroke to the management device, and notifying the user of the heat stroke by the heat stroke notification means. A heat stroke detection system is known (see Patent Document 1, for example).

In addition, a display board is provided on the main body of the helmet, provided in a battery control box equipped with a battery and a control mechanism for storing and reproducing information content, the display board and the battery control box are connected by a control cable, and the battery control box 2. Description of the Related Art There is known a helmet with a display board device in which desired information is displayed on the display board by operating a provided information content switching device to select information stored in the control mechanism (for example, , see Patent Document 2).

Japanese Patent No. 4922447 Registered Utility Model No. 3107365

In the heat stroke detection system described in Patent Document 1 described above, in a heat stroke detection system using a management device that manages users in the work area, it is detected whether the user is at risk of heat stroke, and the risk is detected. Since the user is notified of the sexuality, it is possible to deal with heat stroke if the user's consciousness is clear. However, when the user is in a faint state of mind, even if the user is notified of the risk of heat stroke, it may not be possible to make the user take appropriate measures.

In addition, as described in the above-mentioned Patent Document 2, when various information is displayed on a display board provided mainly on a helmet, a worker or the like who is positioned near the user wearing the helmet may In addition, various information displayed on the display board can be recognized. On the other hand, since the display board is provided on the helmet in addition to various sensors for detecting information around the user's head, the burden on the user's head and neck increases, causing stiff shoulders and poor physical condition. There was a problem of causing

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and provides a portable information terminal and a portable information terminal capable of appropriately managing the user's condition while preventing an excessive burden on the user's neck or the like. The aim is to provide a user management system with a terminal.

A portable information terminal according to the present invention includes a display screen for displaying a user's state corresponding to data relating to the user's biological information, environmental information, and motion information detected by various sensors provided around the user's head; a display control unit that executes control for displaying an image on a display screen, wherein biological information, environmental information, and operation information of the user are transmitted from the various sensors by wireless communication, wherein the portable information The terminal is used while being held at a site other than the vicinity of the user's head, and the display control unit controls the user's motion information detected by the various sensors, or the user's motion information detected by the various sensors. When it is determined that an abnormality has occurred in the user based on the user's degree of risk calculated by combining data related to biological information and environmental information, control is executed to display an image different from the normal image on the display screen. is.

According to this configuration, when it is determined that the user has an abnormality based on the detection signals of various sensors, the display state of the display screen provided in the portable information terminal is switched to a state different from the normal state. Not only the user carrying the portable information terminal, but also related parties such as workers located near the user can clearly see that the user is in a dangerous state according to the change in the display state. , can respond quickly. In addition, since the portable information terminal is used while being held in a part other than the vicinity of the user's head, there is an advantage that it is possible to prevent excessive burden on the user's head, neck, etc. be. In addition, the wireless connection between various sensors and the mobile information terminal eliminates the need for physical connections such as wiring cables. can.

Further, it is preferable that the display control unit, when it is determined that the user has an abnormality, perform control to enlarge the image displayed on the display screen compared to normal times.

According to this configuration, it is possible for the user himself/herself to recognize various pieces of information by normally displaying various pieces of management information in a small size on the display screen. When it is determined that the user is in a dangerous state, an enlarged image is displayed on the display screen so that workers and other people in the vicinity of the user can see that the user is in a dangerous state. is clearly visible and can be dealt with quickly.

The display control unit selects information including at least one character of "strict alert", "danger", "heatstroke", or "warning" when it is determined that the user has an abnormality, and It is preferable to execute control to display on the display screen.

According to this configuration, it is possible to clearly recognize what state the user is in according to the characters displayed on the display screen.

Further, the display control unit executes control to change the display mode of the image displayed on the display screen at predetermined regular intervals when it is determined that the user has an abnormality. is preferred.

According to this configuration, when an abnormality occurs in the user, by sequentially changing the display state of the display screen, attention to the display screen is improved, and the user's abnormality is clearly communicated to the user and surrounding workers. can be recognized.

The portable information terminal is preferably either a smart phone or a tablet carried by the user.

According to this configuration, there is an advantage that the user can be appropriately managed by effectively utilizing the functions of the smart phone or tablet that can be easily carried by the user.

In addition, a user management system according to the present invention includes the above-described portable information terminal and the above-described various types of information terminals provided around the user's head for detecting data relating to at least one of the user's biometric information, environmental information, and motion information. A sensor and a management server that manages the state of the user based on the detection data of the various sensors transmitted from the portable information terminal.

According to this configuration, it is possible to appropriately manage the state of the user in the management server based on the data transmitted from the portable information terminal owned by the user, and to determine whether or not the user has experienced an abnormality according to this management data. has the advantage of being able to accurately determine

ADVANTAGE OF THE INVENTION According to the mobile information terminal, the user management system provided with the mobile information terminal, and the holding member for the mobile information terminal according to the present invention, the state of the user is properly managed based on the detection data of various sensors, It is possible to make the user and related parties in the vicinity of the user take appropriate countermeasures.

1 is a block diagram showing the configuration of a user management system having a mobile information terminal according to an embodiment of the present invention; FIG. FIG. 4 is a partial cross-sectional view showing a specific example of a wearable device worn by a user; 2 is a block diagram showing specific configurations of various sensors, a mobile information terminal, and the like; FIG. FIG. 4 is an explanatory diagram showing a specific example of a housing portion of the portable information terminal; FIG. 4 is a management data diagram showing an example of management data displayed on a display screen; FIG. 4 is an image diagram showing an example of an image normally displayed on the display screen of the portable information terminal; FIG. 10 is an image diagram showing an example of an image displayed on the display screen of the portable information terminal when an abnormality occurs; FIG. 11 is an image diagram showing another example of an image displayed on the display screen of the portable information terminal when an abnormality occurs; It is explanatory drawing which shows the 1st modification of the accommodating part of a portable information terminal. It is explanatory drawing which shows the 2nd modification of the accommodating part of a portable information terminal. FIG. 11 is an explanatory diagram showing a third modified example of the accommodating portion of the portable information terminal;

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment according to the present invention will be described below with reference to the drawings. It should be noted that the same reference numerals in each figure indicate the same configuration, and the description thereof will be omitted.

FIG. 1 is a block diagram showing the configuration of a user management system 1 equipped with a mobile information terminal 3 according to an embodiment of the present invention, FIG. 2 is a partial sectional view showing a specific example of a wearable device worn by a user, and FIG. 4 is a block diagram showing a specific configuration of the various sensors 2 and the mobile information terminal 3, etc. FIG. 4 is an explanatory diagram showing a specific example of the housing portion of the mobile information terminal 3, and FIG. Management data diagram showing an example of data, FIG. 6 is an image diagram showing an example of an image displayed on the display screen of the mobile information terminal 3 during normal operation, and FIG. FIG. 8 is an image diagram showing an example of an image displayed when an abnormality occurs, and FIG. 8 is an image diagram showing another example of an image displayed on the display screen of the portable information terminal 3 when an abnormality occurs.

As shown in FIG. 1, the above-described user management system 1 includes various sensors 2 provided around the head of a user U for detecting data relating to biological information, environmental information, and motion information, and detection signals of the various sensors 2. A mobile information terminal 3 having a display screen for displaying the status of a corresponding user U, a management server 5 comprising a web server or the like connected to the mobile information terminal 3 via a communication line 50 comprising the Internet, an intranet, or the like; It has a client terminal 7 connected to the management server 5 through a communication line 50 .

As shown in FIGS. 2 and 3, the various sensors 2 are provided in a headband 61 or the like of a wearable device comprising a helmet 6 that is worn on the head by a user U such as a worker who works in a factory, construction site, forest, or the like. A biological information sensor 21 including a skin surface temperature sensor, a blood flow sensor, an electroencephalogram sensor, etc., having an electrode that contacts the forehead of the user U, and a temperature sensor provided in an internal space located at the top of the head of the helmet 6. and an environment information sensor 22 including a humidity sensor and the like, and an action information sensor 23 including an acceleration sensor, an angular velocity sensor and the like disposed above the environment information sensor 22 in the interior space of the helmet 6 .

The transmitter 4 is a short-range one-way wireless communication device having only a function of transmitting data to the portable information terminal 3 carried by the user U, and is detachably attached to the rear part of the helmet 6 or the headband 61 or the like. It is housed within the holding member 40 . Examples of the short-range one-way wireless transmitter include Bluetooth (registered trademark), wireless PAN defined by the ZigBee (registered trademark) standard, and wireless MAN defined by the WiMAX (registered trademark) standard. is used.

In the holding member 40, a controller 42 for controlling transmission of the state of the user U corresponding to the detection data of the various sensors 2 from the transmitter 4 to the portable information terminal 3, the controller 42 and the transmitter A battery 41 for supplying electric power to 4 and the like is accommodated. As the battery 41, various batteries such as disposable lithium dry batteries, alkaline dry batteries, or rechargeable lithium batteries can be used. In particular, as the battery 41 disposed in the helmet 6, a small button-type battery, a coin-type battery, or the like is preferably used because it is space-saving and lightweight.

The control unit 42 performs control to transmit at least one of the detected data regarding the biological information of the user U and the detected data regarding the environmental information from the transmitter 4 to the portable information terminal 3 at predetermined regular intervals. The unit 421 determines whether or not there is an abnormality in the user U based on the detection data related to the motion information of the user U, and transmits this determination information when it is determined that the user U has an abnormality. and a second control unit 422 that controls transmission from the device 4 to the mobile information terminal 3 .

The first control unit 421 transmits both or one of the detection data of the biological information sensor 21 that detects the biological information of the user U and the detection data of the environmental information sensor 22 that detects the environmental information at predetermined intervals. For example, it is configured to transmit from the transmitter 4 to the portable information terminal 3 at predetermined time intervals or at predetermined time intervals.

Specifically, detection data of biometric information including changes in bioimpedance due to electroencephalogram, heartbeat, pulse rate, skin surface temperature, blood flow, electrocardiogram, myoelectricity, perspiration, etc. of the user U detected by the biometric information sensor 21. , environmental information detected by the environmental information sensor 22, such as the outside temperature and humidity, is transmitted from the first control unit 421 via the transmitter 4, for example, every 10 seconds, every minute, or every five minutes. It is designed to be transmitted to the mobile information terminal 3 . In particular, from the viewpoint of monitoring the risk of heat stroke, the detection data of biological information such as skin surface temperature and body temperature, and the detection data of environmental information such as outside temperature and humidity, etc. It is preferably sent to terminal 3.

The second control unit 422 successively monitors the motion of the user U based on the detection data of the motion information sensor 23 that detects the motion information of the user U, and determines that the motion of the user U is different from normal. In this case, the determination information is transmitted from the transmitter 4 to the portable information terminal 3. FIG.

Specifically, at least one of the acceleration and angular velocity generated according to the motion of the user U within a sampling time set to, for example, 10 milliseconds, is detected 10 times by the acceleration sensor and the angular velocity sensor that constitute the motion information sensor 23. The degree is measured, and the second control unit 422 determines whether or not the average value exceeds a preset threshold value. Then, the second control unit 422 determines that an accident such as the user U falling or falling from a high place occurs when the detected data of the acceleration and the angular velocity are abnormally large values exceeding the threshold value. At this time, control is executed to output an abnormality determination signal from the transmitter 4 to the portable information terminal 3 .

The second control unit 422 has a function of measuring the degree of risk of the user U as described later based on the data related to the motion information detected by the motion information sensor 23 when it is determined that the user U has an abnormality. is doing. The measurement data is transmitted from the transmitter 4 to the mobile information terminal 3 and is also sequentially transmitted from the mobile information terminal 3 to the management server 5 via the communication line 50 .

The mobile information terminal 3 is composed of a smart phone or the like carried by each user U, and has a function as a relay device for transmitting detection data of the various sensors 2 and the like to the management server 5 . The mobile information terminal 3 includes a communication device 31 for receiving data transmitted from the transmitter 4, an input unit 32 such as a touch panel, a display screen 33 such as a liquid crystal display panel, and an image displayed on the display screen 33. A display control unit 34 is provided for executing control to cause the display to be displayed.

As shown in FIG. 4, the portable information terminal 3 is used in a state of being housed in a housing portion 81 provided on the surface of the holding member comprising the waist pochette 8 worn by the user U. As shown in FIG. This accommodation portion 81 is provided between the main body portion of the waist pochette 8 and the transparent sheet attached to the surface side thereof. Then, the portable information terminal 3 is housed in the housing portion 81 with the display screen 33 facing outward, so that the display screen 33 can be worn by the user U with the display screen 33 exposed to the outside. It's becoming

The communication device 31 of the mobile information terminal 3 has a two-way communication function for exchanging data with the management server 5 via the communication line 50 . In addition, as will be described later, when the watching control unit 51 of the management server 5 or the second control unit 422 determines that the user U has an abnormality, an icon indicating the abnormality of the user U is displayed on the display screen 33. Control is executed by the display control unit 34 .

As shown in FIG. 1, the management server 5 includes a monitoring control unit 51 that acquires management data of the user U based on detection data of various sensors 2 transmitted from the mobile information terminal 3, and a monitoring control unit 51. A display control unit 52 that controls to display the acquired management data on a display screen such as a web screen or the display screen 71 of the client terminal 7, and data that provides the data acquired by the monitoring control unit 51 to the client terminal 7 or the like. A providing unit 53 is provided.

The watching control unit 51 is configured to acquire management data of each user U based on the detection data of the various sensors 2 transmitted from the mobile information terminals 3 owned by the users U, respectively. For example, based on the detection data of various sensors 2 transmitted via the mobile information terminal 3, user U heat stroke risk determination information, heat stroke risk prevention information based on WBGT (heat index), user U Accident determination information such as falling, user U skin surface temperature information, hat outside temperature information, hat outside humidity information, hat inside temperature information, hat inside humidity information, hat putting on and taking off information, or user U blood flow information, At least one of management data consisting of electroencephalogram information, biological information, position information indicating the current position of the user U, atmospheric pressure information, altitude information, direction information, etc. is acquired for each user U by the monitoring control unit 51, and is not shown. is stored in the memory of

The WBGT (heat index) is an index of the degree of heat stress that the human body receives, taking into account temperature, humidity, wind speed, and radiant heat. Suspension of sports is considered desirable.

As shown in FIG. 5, the display control unit 52 displays the ID data of each of the users U1 to Un output from the monitoring control unit 51 and the management data of each of the users U1 to Un on the display screen 71 of the client terminal 7. The ID display section 711, management data display section 712, etc. have a function of displaying a list. When the monitoring control unit 51 determines that a specific user U3 is in danger based on the data transmitted from the mobile information terminal 3, an icon such as an exclamation mark is displayed as management data for the user U3. , is displayed on the management data display section 712 of the display screen 71 in real time.

In addition, the above-described heat stroke risk determination information acquired by the monitoring control unit 51, heat stroke risk prevention information based on WBGT (heat index), user accident determination information, skin surface temperature information, or cap outside temperature information , humidity information outside the hat, temperature information inside the hat, humidity information inside the hat, information on putting on and taking off the hat, user blood flow information, electroencephalogram information, biological information, location information, atmospheric pressure information, altitude information, direction information, etc. At least one of them may be configured to be displayed on the display screen 71 or the like.

The management data of the user U acquired by the monitoring control unit 51 is digitized or converted into color gradation and displayed on the display screen 71 or the like, or control to display icons such as pictograms or graphs over time on the display screen 71 or the like, It may be executed by the display control unit 52 . In particular, when an icon consisting of a warning mark combining an exclamation mark and a triangle mark is displayed on the display screen 71 or the like, it is possible to intuitively grasp that a specific user U is in danger. Become. Furthermore, the degree of risk can be expressed by changing the color of the icon displayed on the display screen 71 or the like from green to yellow to red according to the degree of risk.

Both the management data acquired by the monitoring control unit 51 and the past data stored in the memory are displayed on the display screen 71 or the like, and the two are compared to appropriately determine the risk level of the user U. may be configured to obtain

Alternatively, a plurality of pieces of management data may be combined to calculate the risk level of the user U, and an icon corresponding to the risk level may be displayed on the display screen 71 or the like. For example, the degree of risk of the user is calculated based on the WBGT (heat index) calculated based on the display of the temperature outside the cap body and the humidity display outside the cap body, and the pulse rate of the user U detected by the biological information sensor 21. , a warning icon corresponding to the degree of danger may be displayed on the display screen 71 or the like. This simplifies the image information displayed on the display screen 71 or the like, and allows the user to intuitively grasp necessary information based on this image information.

When a client registered in advance, for example, a client terminal 7 such as a personal computer owned by the company to which user U belongs, is connected to the management server 5 via the communication line 50, the data providing unit 53 monitors the monitoring control unit 51. provides the client terminal 7 with the management data acquired in .

In addition, when it is determined that an abnormality has occurred in a specific user U, the data providing unit 53 detects an accident such as the user U falling or falling by the second control unit 422 provided in the wearable device such as the helmet 6. When it is determined that the heat stroke has occurred, or when the monitoring control unit 51 determines that the user U may have a heat stroke based on the detection data of the biological information sensor 21 and the environmental information sensor 22, the above It has a function of outputting an anomaly notification signal for notifying an anomaly of the user U to the portable information terminal 3 owned by the user U. FIG.

Then, on the display screen 33 of the mobile information terminal 3, an icon indicating that an abnormality has occurred in the user U in response to the danger notification signal, or one of measurement data indicating the degree of danger acquired by the monitoring control unit 51 or the like is displayed. Some or all of them are displayed. That is, the display control unit 34 of the portable information terminal 3 is driven according to the danger notification signal or the like, and the display control unit 34 executes control for displaying an icon indicating that the user U is in danger on the display screen 33. be done.

For example, in normal times, as shown in FIG. 6, various management information such as outside air temperature and outside humidity are displayed on the display screen 33 of the mobile information terminal 3 in a small size. When it is determined that an abnormality has occurred in the user U, the display screen 33 of the mobile information terminal 3 is switched to display the text "Severe Alert" as shown in FIG. 7 or an exclamation as shown in FIG. By displaying an enlarged icon, such as a warning mark, which is a combination of a mark and a triangular mark, on the display screen 33, the occurrence of an abnormality in the user U is notified to the user U and the surrounding people. there is

The characters displayed on the display screen 33 include "danger", "heat stroke", "warning", etc. in addition to "severe caution", and information including these characters is selected and displayed. You can let it run. Furthermore, the display control unit 34 may be configured to change the display mode of the image displayed on the display screen 33 at predetermined intervals, for example, at intervals of 5 seconds.

Also, the color of the icon displayed on the display screen 33 of the mobile information terminal 3 may be changed from green to yellow to red according to the user U's degree of danger. According to this configuration, based on the image displayed on the display screen 33, the degree of risk of the user U is effectively notified.

When the second control unit 422 or the monitoring control unit 51 determines that the user U has an abnormality, the data providing unit 53 provided in the management server 5 can It has a function of informing the mobile information terminals 3 owned by other workers near the user U, family members of the user U, doctors in charge, etc. that the user U is abnormal.

Furthermore, when a related person such as a family member or an acquaintance of user U connects to the management server 5 via the communication line 50 and enters a user ID and password, the data providing unit 53 can retrieve all of user U's management data. Or you may make it provide a part to the said concerned party. In this case, it is possible to discriminate the corresponding user U according to the user ID and password, provide only the management data of the user U to the concerned parties, and restrict the management data of other users U from being provided. preferable.

As described above, the portable information terminal 3 according to the present invention corresponds to data related to at least one of user U's biological information, environmental information, and motion information detected by various sensors 2 provided around the head of user U. The mobile information terminal 3 is provided with a display screen 33 that displays the state of the user U who has entered the state of the user U, and a display control unit 34 that executes control to display an image on the display screen 33. When it is determined that the user U has an abnormality based on the detection data of the various sensors 2, the display control unit 34 performs control to display an image different from the normal image on the display screen 33. Therefore, while preventing excessive burden on the head and neck of the user U, the head of the user U has a large impact on the user U based on the detection data of the various sensors 2. By accurately measuring surrounding environmental information, the user U's condition can be appropriately managed, and appropriate countermeasures can be taken as necessary.

That is, in the above-described embodiment, as shown in FIG. 6, various management information such as the outside air temperature and the outside humidity are normally displayed on the display screen 33 in a small size. When it is determined that an abnormality has occurred in U, as shown in FIG. 7 or FIG. The display state of is changed to a mode different from the normal time.

Therefore, by displaying various pieces of management information in a small size on the display screen 33 at normal times, the user U can recognize various pieces of information, and when it is determined that an abnormality has occurred in the user U, the display screen By displaying an enlarged image on 33, it is possible for related parties such as workers located near the user U to clearly visually recognize that the user U is in a dangerous state, and to promptly respond. becomes possible.

In addition, when configured to select and display information including at least one character of "strict alert", "danger", "heat stroke", or "warning" on the display screen 33 of the portable information terminal 3 can clearly recognize what state the user U is in. In particular, if the color of the icon displayed on the display screen 33 of the portable information terminal 3 is changed according to the degree of danger of the user U, the degree of danger can be displayed by the user U and surrounding workers. can be recognized more properly.

Furthermore, when it is determined that an abnormality has occurred in the user U, the display control unit 34 performs control to change the display mode of the image displayed on the display screen 33 at predetermined intervals, for example, at intervals of 5 seconds. If configured to do so, it is possible to raise the degree of attention to the display screen 33 and to make the user U and surrounding workers clearly recognize the abnormality of the user U.

In response to the danger notification signal, a vibrator provided on the mobile information terminal 3 may be operated to vibrate the mobile information terminal 3, or an audio output device provided on the mobile information terminal 3 may be operated to generate a warning sound. By effectively using the functions of the portable information terminal 3, the user U may be notified that the user U is in a dangerous situation.

As the portable information terminal 3, a smart phone, a tablet, a portable wireless device, a portable personal computer, or the like carried by each user U can be used. In particular, when a smart phone or tablet that can be easily carried by the user U is configured to be used as the portable information terminal 3, the functions of the smart phone or tablet can be effectively utilized to enable each user U to There is an advantage that it can be properly managed.

Also, a login screen may be provided in the application of the mobile information terminal 3 so that the user U who owns the mobile information terminal 3 can access the management server 5 via the communication line 50 . Also, if the individual identification number possessed by the transmitter 4 provided on the helmet 6 or the like is input and stored in the storage device of the portable information terminal 3, access by only a specific portable information terminal 3 is permitted. crosstalk can be prevented by limiting the Moreover, when reconnecting using the mobile information terminal 3, there is an advantage that the operation of connecting to the management server 5 can be simplified because the operation of inputting the user ID or the like again is unnecessary.

Furthermore, the transmission data transmitted from the various sensors 2 and the control unit 42 may be stored in a storage medium such as an SD card included in the portable information terminal 3 . According to this configuration, even if the connection between the mobile information terminal 3 and the management server 5 using the communication line 50 is interrupted due to a communication failure or the like, the management server 5 can be restored by using the accumulated data in the storage medium. There is an advantage that it is possible to prevent the loss of data in the storage device.

Further, as described above, since the holding member consisting of the waist pochette 8 worn by the user U is used while the portable information terminal 3 is housed in the housing part 81 provided on the surface side, the user U can use the head Unlike the case where the portable information terminal 3 is held by the helmet 6 worn on the head, the burden on the head and neck of the user U does not increase, and the user U does not experience stiff shoulders or poor physical condition. can be effectively prevented.

Moreover, by covering the surface of the housing portion 81 with a transparent sheet material, the display screen 33 is held by the holding member in a state that the display screen 33 can be viewed from the outside. The mobile information terminal 3 can be attached to the waist of the user U, and the display screen 33 can be visually recognized by a worker or the like near the user to surely recognize that the display state has been switched.

9 is an explanatory diagram showing a first modification of the holding member of the mobile information terminal 3, FIG. 10 is an explanatory diagram showing a second modification of the holding member of the mobile information terminal 3, and FIG. FIG. 10 is an explanatory diagram showing a third modification of the holding member of FIG.

The holding member shown in FIG. 9 consists of an arm pouch 8a that the user U wears on the arm, and an accommodating part 82 is provided between the main body of the arm pouch 8a and a transparent sheet attached to the front side thereof. . By storing the portable information terminal 3 in the housing portion 82 with the display screen 33 facing outward, the display screen 33 is held by the user U in a state in which the display screen 33 can be visually recognized from the outside. It's like

In addition, as shown in FIG. 10, by providing an accommodating portion consisting of a pair of left and right frames 83 provided on the surface of the arm pouch 8b, etc., and allowing the frame 83 to hold the peripheral portion of the portable information terminal 3, , may be viewed from the display screen 33 through an opening formed between the left and right frames 83 . However, in order to prevent the portable information terminal 3 from being damaged due to getting wet with water, it is preferable to cover the surfaces of the housing portions 81 and 82 with a waterproof transparent sheet.

The housing portion 84 shown in FIG. 11 is provided in the breast pocket portion of the holding member consisting of the working clothes 8c worn by the user U, and the surface of the breast pocket portion is covered with a transparent sheet. there is The display screen 33 of the portable information terminal 3 accommodated in the accommodation portion 84 is configured to be visible from the outside through the transparent sheet. In this case, it is preferable to hold the mobile information terminal 3 around the neck of the user U via the neck strap 85 in order to prevent the mobile information terminal 3 from falling.

As described above, various sensors 2 provided around the head of the user U for detecting data relating to at least one of biological information, environmental information, and motion information of the user U, and various sensors transmitted from the portable information terminal 3 2. According to the user management system 1 comprising a management server that manages the state of the user U based on the detection data of 2, the management server 5 detects the state of the user U based on the data transmitted from the portable information terminal 3 owned by the user U. There is an advantage that the state can be properly managed and whether or not an abnormality has occurred in the user U can be accurately determined according to this management data.

That is, in the above-described embodiment, the monitoring control unit 51 for acquiring the management data of the user U based on the data transmitted from the mobile information terminal 3 and the user U acquired by the monitoring control unit 51 are provided in the management server 5. When the display control unit 52 that controls to display the management data of the user U on the display screen 71 and the pre-registered client terminal 7 are connected to the management server 5 via the communication line 50, the management data of the user U to the client terminal 7, the management server 5 appropriately manages the state of the user based on the detection data of the various sensors 2, and takes appropriate countermeasures as necessary. can take

For example, if the monitoring control unit 51 determines that the user U may be suffering from heatstroke according to the detection data of the various sensors 2, the management data of the user U including the determination data etc. When the management data of the user U is transmitted to the client terminal 7 and displayed on the display screen 71 of the client terminal 7, the work manager of the client who sees this management data calls the site supervisor and asks for countermeasures. or call an emergency hospital and request an ambulance.

In the above-described embodiment, the monitoring control unit 51 acquires the management data of each user U based on the data transmitted from the portable information terminals 3 owned by a plurality of users U, and the management data of each user U is displayed on the display screen. Since the display control unit 52 is configured to perform the control to display a list on the top (see FIG. 5), when a large number of users U are working at the work site, the company to which each user U belongs can be displayed. By viewing the management data on the display screen 71, the work manager or the like appropriately manages the status of each user U, and when an abnormality occurs in a specific user U, a prompt and appropriate response can be taken. can be done.

In particular, as shown in FIG. 5, when it is determined that a specific user U3 has an abnormality according to the detection data of the various sensors 2, the display screen 71 displays an icon indicating that the user U3 is in a dangerous state. When the display control unit 52 is configured to execute the control to display on the management data display unit 712 or the like, even if the number of users U to be managed is large, it is possible to detect that a specific user U3 has an abnormality. Since it can be checked at a glance, it has the advantage of being able to respond quickly and appropriately.

In addition, heat stroke risk determination information acquired by the watching control unit 51, heat stroke risk prevention information based on WBGT (heat index), user accident determination information, skin surface temperature information, or cap outside temperature information, cap At least one of management data consisting of external humidity information, temperature information inside the hat, humidity information inside the hat, information on putting on and taking off the hat, blood flow information of the user, electroencephalogram information, biological information, position information, atmospheric pressure information, altitude information, direction information, etc. If the display control unit 52 is configured to execute the control to display one on the display screen 71 or the like, it is possible to determine in detail what state the user U is currently in.

The management data of the user U includes, for example, the name of the user U, face photo, gender, age, weight, height, normal blood pressure, blood type, affiliated company, affiliated department, employee number, current work content, schedule, work It is also possible to display on the display screen 71 the place, the emergency contact number, the name of the hospital to which the patient is transported in an emergency, the medical history, the hospital visit history, the presence or absence of donor registration, the industrial accident history, family information, and the like.

In particular, when the display screen 71 or the like is configured to display the current work contents, work place, emergency contact information, hospital name to which the patient is transported, names of family members, etc., when the user U is in a dangerous situation, It is possible to quickly and appropriately take countermeasures in In addition, if the work accident history, hospital history, medical history, medication history, and blood type of the user U are displayed, blood transfusion can be performed smoothly when the user U is transported to a hospital or the like. and other advantages.

In the above-described embodiment, various sensors 2 for detecting data related to user U's biological information, environmental information, and user's motion information, transmitter 4 for transmitting detection data of these various sensors 2 to portable information terminal 3, user A first control unit 421 that controls to transmit at least one of detected data related to biological information of U and detected data related to environmental information from the transmitter 4 to the portable information terminal 3 at predetermined regular intervals; Determining whether or not an abnormality has occurred in the user U based on detection data related to operation information, and transmitting the determination information from the transmitter 4 to the portable information terminal 3 when it is determined that the user U has an abnormality. Since it is provided with the second control unit 422 that controls so as to control to do so, while suppressing the power consumption of the battery 41 provided in the wearable device composed of the helmet 6 or the like worn by the user U, the user's abnormality is properly determined. can do.

That is, detection data of user U's brain wave, heartbeat, pulse rate, skin surface temperature, blood flow, electrocardiogram, myoelectricity, changes in bioimpedance due to perspiration, etc. detected by the biometric information sensor 21; Detected data of environmental information such as the outside air temperature and outside humidity detected by the information sensor 22 do not change so rapidly, and there is no need to measure them frequently.

For this reason, the detection data of the biological information and the environmental information is sent from the first control unit 421 to the mobile information terminal 3 via the transmitter 4 at predetermined time intervals or at predetermined time intervals. , and from the portable information terminal 3 to the management server 5 via the communication line 50, it is possible to prevent the amount of data transmitted from the transmitter 4 to the portable information terminal 3 from becoming enormous. . As a result, while suppressing the power consumption of the battery 41 that supplies power to the transmitter 4 and the like, based on the detection data of the biological information sensor 21 and the environmental information sensor 22, whether the user U has an abnormality such as heat stroke. It is possible to properly determine whether or not

On the other hand, an abnormality of the user U detected by the second control unit 422, for example, an accident such as the user U falling or falling from a high place, occurs instantaneously. In order to make this determination, it is necessary to sequentially monitor the actions of the user U by measuring the actions of the user U approximately 10 times within a sampling time set to 10 milliseconds, for example, using the action information sensor 23 . Therefore, if all the detection data of the motion information sensor 23 is transmitted from the transmitter 4 to the mobile information terminal 3, the power consumption of the battery 41 becomes excessive, and the battery 41 must be replaced frequently or the battery 41 must be replaced. must be charged.

As described above, based on the detection data of the motion information sensor 23 consisting of at least one of the acceleration sensor and the angular velocity sensor, the motion of the user U is sequentially monitored, and if the motion of the user U is different from the normal time, the user By configuring the second control unit 422 to determine that an overturning accident or a falling accident of U has occurred, it is possible to prevent the amount of data transmitted from the transmitter 4 to the portable information terminal 3 from becoming enormous. , while suppressing the power consumption of the battery 41, it is possible to accurately determine whether or not an abnormality such as a fall of the user U has occurred.

For example, when a battery 41 made of a 3V coin-type lithium battery made by Panasonic Corporation CR2032 (trade name) was used, an experiment was conducted to measure the operable time, and the following data was obtained. .

That is, detection data of biological information and environmental information consisting of skin surface temperature, cap outside temperature information, and cap outside humidity information is transmitted from the first control unit 421 to the mobile information terminal 3 via the transmitter 4 in 0.1 seconds. Data obtained by averaging detection data of motion information from accelerations and angular velocities measured 10 times within a sampling time set to 10 milliseconds is transmitted from the second control unit 422 to the transmitter 4. In a comparative example in which data is sent once every 0.1 seconds to the portable information terminal 3 via the mobile information terminal 3, experimental data was obtained that the battery 41 made of the coin-type lithium battery can be operated for about 13 hours. was taken.

On the other hand, using the same coin-type lithium battery, detection data of biological information and environmental information consisting of skin surface temperature, cap outside temperature information, and cap outside humidity information is transmitted from the first control unit 421 via the transmitter 4 is sent to the mobile information terminal 3 once every minute, and the second control unit 422 samples the motion of the user U every 10 milliseconds based on the detected motion information data consisting of acceleration and angular velocity. In the example of the present invention, data is transmitted from the second control unit 422 to the portable information terminal 3 via the transmitter 4 only when an abnormality is determined by determining an abnormality. The operable time of the battery was about 45 hours. As a result, it was confirmed that the power consumption of the battery 41 can be greatly reduced in the example of the present invention compared to the comparative example.

Further, in the above-described embodiment, when the second control unit 422 determines that the user U has an abnormality, the risk level of the user U is measured based on the data related to the motion information detected by the motion information sensor 23. At the same time, it is configured to execute control for transmitting this measurement data from the transmitter 4 to the portable information terminal 3 . As a result, it is possible to prompt the user U to take appropriate countermeasures according to the degree of risk of the user U detected after a fall accident or the like has occurred.

For example, when it is confirmed that the user U has not moved at all after it is determined that the fall accident of the user U has occurred according to the detection data of the movement information sensor 23, or when the fall accident of the user U has occurred After the determination, if it is confirmed that the user U is still falling, it is considered that the user U is in high danger. Therefore, it is possible to quickly rescue the user U by, for example, urging the user to take urgent countermeasures according to the degree of risk of the user U.

In addition, as described above, the transmitter 4, which is a short-distance one-way wireless communication device having only the function of transmitting data to the portable information terminal 3 carried by the user U, is attached to the wearable device 4, which is a helmet 6 worn by the user U. When it is provided in the equipment, the structure of the transmitter 4 can be simplified, so that the power consumption of the battery 41 can be suppressed more effectively. Moreover, there is an advantage that the burden on the user U wearing the helmet 6 can be reduced by reducing the size and weight of the transmitter 4 .

Furthermore, in the above-described embodiment, the transmitter 4, the first control unit 421, the second control unit 422, and the battery 41 that supplies power to them are held by a holding member provided on the helmet 6 worn by the user U. Since the holding member 40 is removed from the helmet 6 when washing the helmet 6, the transmitter 4, the first control unit 421, the second control unit 422, and the battery 41 will not get wet. can be prevented from occurring. Another advantage is that the battery 41 can be easily replaced with the holding member 40 removed from the helmet 6 .

The wearable device provided with the various sensors 2, the control unit 42, the battery 41, the transmitter 4, etc. is not limited to the helmet 6 worn by workers who work in factories, construction sites, forests, etc. Accessories such as hats, headbands, headbands or earrings, armbands, waist belts, belt fasteners, neck straps, watches, etc. worn by users U consisting of patients who have been injured or athletes who enjoy sports outdoors Applicable.

In the above-described embodiment, when the watching control unit 51 determines that a specific user U has an abnormality, the determination information is sent from the data providing unit 53 to a person related to the user, such as a site supervisor, near the user U. It is configured to output to the mobile information terminals 3 owned by other workers, the family of the user U, the doctor of the emergency hospital, and the like. Therefore, when it is detected or predicted that an abnormality has occurred in a specific user U, it is possible to prompt relevant parties to take appropriate measures by informing them of this.

In addition, if a login screen is provided for the image information provided by the management server 5 and a user ID and password are given only to a specific administrator to restrict those who have viewing authority, a plurality of users can access the information. data interference can be prevented, and the security of the user management system 1 can be effectively improved.

Furthermore, based on the management data (so-called big data) of each user U accumulated in the storage device of the management server 5, the dangerous state of the user U such as falling or heat stroke can be estimated, or the future danger of the user U can be estimated. It can also be configured to predict the state.

2 Various sensors 3 Personal digital assistant 4 Transmitter 5 Management server 6 Helmet (wearable device)
21 biological information sensor 22 environment information sensor 23 motion information sensor 33 display screen 34 display control section 40 holding member 41 battery 42 control section 421 first control section 422 second control section U user

Claims (6)

a display screen for displaying the user's state corresponding to data relating to the user's biological information, environmental information, and motion information detected by various sensors provided around the user's head;
A portable information terminal comprising a display control unit that executes control for displaying an image on the display screen, wherein biological information, environmental information, and operational information of the user are transmitted from the various sensors by wireless communication,
The portable information terminal is used while being held at a site other than the user's head area,
The display control unit calculates by combining the user's motion based on data regarding the user's motion information detected by the various sensors, or data regarding the user's biological information and environmental information detected by the various sensors. A mobile information terminal that executes control to display an image different from a normal image on the display screen when it is determined that the user has an abnormality based on the risk level of the user. 2. The mobile information terminal according to claim 1, wherein, when it is determined that the user has an abnormality, the display control unit performs control to enlarge the image displayed on the display screen compared to normal times. The display control unit selects and displays information including at least one character of "strict alert", "danger", "heat stroke", or "warning" when it is determined that the user has an abnormality. 3. The mobile information terminal according to claim 1, wherein the control for causing the mobile information terminal to be executed is executed. 4. The mobile information terminal according to any one of claims 1 to 3, wherein the display control section executes control to change the display mode of the image displayed on the display screen at predetermined regular intervals. The mobile information terminal according to any one of claims 1 to 4, wherein the mobile information terminal is either a smart phone or a tablet carried by the user. a mobile information terminal according to any one of claims 1 to 5;
the various sensors that are provided around the user's head and detect data related to at least one of the user's biometric information, environmental information, and motion information;
A user management system comprising a management server that manages a user's state based on the detection data of the various sensors transmitted from the portable information terminal.

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