JP2020144670A - Mutual watch system, mutual watch method, and watch unit - Google Patents

Abstract

To provide a mutual watch system, mutual watch method, and watch unit that notify a person, who is around a person who has a risk of heat stroke, of the existence of the person who has the risk of heat stroke, and the location of the person, prompt the person, who is around, to rescue the person who has the risk of heat stroke, and thus make it possible to quickly and properly perform a rescue activity in the event that the risk of heat stroke arises.SOLUTION: In a mutual watch system 1, a detection unit 2 having detected an abnormality of one user transmits abnormality occurrence information to a communication unit 4, the communication unit 4 having received the abnormality occurrence information transmits the abnormality occurrence information to a notification lamp 7, a specific lamp 8, and a communication unit 4 of another watch unit U, the notification lamp 7 and specific lamp 8 having received the abnormality occurrence information notify occurrence of the abnormality, the communication unit 4 of the another watch unit U having received the abnormality occurrence information from the communication unit 4 of one watch unit U transmits the abnormality occurrence information to the notification lamp 7, and the notification lamp 7 notifies occurrence of the abnormality.SELECTED DRAWING: Figure 1

Description

The present invention relates to a mutual watching system, a mutual watching method, and a watching unit for mutually watching the state of the user based on the detection data of various sensors that detect the biometric information and the environmental information of the user.

Conventionally, in order to reduce the risk of heat stroke for a target person such as a worker, a system has been proposed in which information such as the body temperature of the target person is acquired and the risk of heat stroke is notified based on the acquired information. (See, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2012-210233

In the above-mentioned conventional technique, the risk of heat stroke is notified to the user and the like. However, if the risk of heat stroke increases in the field, the level of consciousness may be lowered, and it may not be possible to recognize the notification regarding the risk of heat stroke. As a result, there were cases where people around the person at risk of heat stroke could not perform prompt and appropriate relief activities.

The present invention has been made in view of the above-mentioned problems, and the existence of a person at risk of heat stroke and the place where the person is present with respect to those around the person at risk of heat stroke. Mutual watching system, mutual watching method, and watching unit that can notify the situation, encourage the rescue by those around us, and enable quick and appropriate rescue activities when the risk of heat stroke occurs. It is intended to be provided.

The present invention constitutes the following mutual watching system in order to solve the above-mentioned problems.

(1) A mutual watching system composed of watching units carried by a plurality of users, wherein the watching unit is a detection unit that detects an abnormality of the user carrying the watching unit. , The user who carries the monitoring unit to notify that an abnormality has occurred in either the communication unit and the user, which sends / receives abnormality occurrence information indicating that an abnormality has occurred in any of the users. In one monitoring unit carried by one user, the first notification unit and the second notification unit for notifying the surroundings that an abnormality has occurred to the user are provided. The detection unit that has detected an abnormality of one user transmits the abnormality occurrence information to the communication unit, and the communication unit that has received the abnormality occurrence information is the first notification unit, the second notification unit, and the like. Then, the abnormality occurrence information is transmitted to the communication unit in at least one other monitoring unit, and the first notification unit and the second notification unit that have received the abnormality occurrence information notify the occurrence of the abnormality. In another monitoring unit carried by another user, the communication unit that has received the abnormality occurrence information from the communication unit in the one monitoring unit transmits the abnormality occurrence information to the first notification unit. A mutual monitoring system in which the first notification unit notifies the occurrence of an abnormality.

(2) The abnormality occurrence information is transmitted from the communication unit in the one monitoring unit to the first notification unit and the second notification unit via one-to-one wireless communication, and the one monitoring unit is used. The mutual monitoring system according to (1), wherein the abnormality occurrence information is transmitted from the communication unit in the unit to the communication unit in at least one other monitoring unit via one-to-many wide range wireless communication.

(3) The mutual watching system according to (1) or (2), which does not connect to an external network.

(4) The first notification unit and / or the second notification unit is at least one of a light emitting member, a vocalizing member, or an oscillating member, any one of (1) to (3). Mutual watching system described in.

(5) The mutual watching system according to any one of (1) to (4), wherein the first notification unit is mounted within a range visible to the one user.

(6) The detection unit detects an abnormality of the user based on the biometric information of the user and / or the environmental information around the user, any of (1) to (5). Mutual watching system described in 1.

(7) The mutual monitoring according to any one of (1) to (6), wherein the detection unit detects an abnormality of the user based on an increased risk of heat stroke in the user. system.

In addition, the present invention constitutes the following mutual monitoring method in order to solve the above-mentioned problems.

(8) A mutual watching method using a watching unit carried by a plurality of users, wherein the watching unit detects an abnormality of the user carrying the watching unit, and the detection unit and the above. Notifies the communication unit that sends and receives abnormality occurrence information indicating that an abnormality has occurred to any of the users and the user carrying the monitoring unit that an abnormality has occurred to any of the users. In one monitoring unit carried by one user, the above-mentioned one is provided with a first notification unit and a second notification unit for notifying the surroundings that an abnormality has occurred to the user. The detection unit that has detected the abnormality of the user transmits the abnormality occurrence information to the communication unit, and the communication unit that has received the abnormality occurrence information is the first notification unit, the second notification unit, and the communication unit. The abnormality occurrence information is transmitted to the communication unit in at least one other monitoring unit, and the first notification unit and the second notification unit that have received the abnormality occurrence information notify the occurrence of the abnormality, and the other In another monitoring unit carried by the user, the communication unit that has received the abnormality occurrence information from the communication unit in the one monitoring unit transmits the abnormality occurrence information to the first notification unit, and the first A mutual monitoring method in which one notification unit notifies the occurrence of an abnormality.

In addition, the present invention constitutes the following monitoring unit in order to solve the above-mentioned problems.

(9) An abnormality has occurred in one of the detection unit and the user, which is a monitoring unit carried by a plurality of users and detects an abnormality of the user carrying the monitoring unit. The communication unit that sends and receives the abnormality occurrence information to that effect, the first notification unit that notifies the user carrying the monitoring unit that an abnormality has occurred in any of the users, and the relevant user. In one monitoring unit carried by one user, which is provided with a second notification unit that notifies the surroundings that an abnormality has occurred to the user, the detection unit detects the abnormality of the one user. If so, the detection unit transmits the abnormality occurrence information to the communication unit, and the communication unit that receives the abnormality occurrence information is the first notification unit, the second notification unit, and at least one. The abnormality occurrence information is transmitted to the communication unit in another monitoring unit, and the first notification unit and the second notification unit that have received the abnormality occurrence information notify the occurrence of the abnormality, and one user In one portable monitoring unit, when the communication unit receives the abnormality occurrence information from the communication unit in the at least one other monitoring unit, the abnormality occurrence information is transmitted to the first notification unit. A monitoring unit in which the first notification unit notifies the occurrence of an abnormality.

According to the mutual watching system, the mutual watching method, and the watching unit according to the present invention, the existence of a person at risk of heat stroke and the existence of a person at risk of heat stroke with respect to those around the person at risk of heat stroke. It is possible to notify the location of a person, encourage rescue by those around him, and carry out rescue activities promptly and appropriately when the risk of heat stroke occurs.

The block diagram which shows the structure of the mutual watching system which concerns on embodiment of this invention. A side view showing a state in which a user wears a wearable device. Top view of the wearable device. The block diagram which shows the specific structure of the detection part. (A) is a diagram showing the relationship between the hot temperature and the biological information score, (b) is a diagram showing the relationship between the WBGT and the environmental information score, and (c) is a diagram showing the relationship between the elapsed time and the time coefficient. A flowchart showing a procedure for determining a heat stroke risk. (A) and (b) are diagrams showing the heat stroke risk calculation model according to the first embodiment and the second embodiment, respectively. (A) and (b) are diagrams showing the operating state of the mutual monitoring system in normal times and when heat stroke occurs, respectively.

Hereinafter, embodiments according to the present invention will be described with reference to the drawings. It should be noted that the configurations with the same reference numerals in each figure indicate that they are the same configurations, and the description thereof will be omitted.

FIG. 1 is a block diagram showing a configuration of a mutual watching system 1 according to an embodiment of the present invention, and FIG. 2 is a wearable worn by a user of the mutual watching system 1 (hereinafter, simply referred to as “user”). A side view showing a helmet 6 as an example of the device, FIG. 3 is a plan view showing the helmet 6, and FIG. 4 is a block diagram showing a specific configuration of the detection unit 2 and the like.

As shown in FIG. 1, the mutual watching system 1 according to the present embodiment is composed of a watching unit U carried by a plurality of users. In the mutual watching system 1, when an abnormality occurs in any of the users (in this embodiment, the risk of heat stroke increases), an abnormality occurs in the user of the mutual watching system 1 and an abnormality occurs. It is configured to notify the user who has done so. The user's abnormality detected by the mutual monitoring system 1 is not limited to an increase in the risk of heat stroke, and it is also possible to have a configuration for detecting other poor physical condition.

FIG. 1 shows watching units U1 to U4 carried by four users, respectively. In the mutual watching system 1, the number of users and watching units U may be plural, and the number is not limited. As shown in FIG. 2, the monitoring unit U in the present embodiment is configured as a helmet 6 which is an example of a wearable device worn by a user. Since each of the watching units U has the same configuration and function, the watching unit U1 will be described below, and detailed description of the other watching units U2 to U4 will be omitted.

As shown in FIG. 1, the helmet 6 constituting the watching unit U1 includes a detection unit 2, a communication unit 4, a notification lamp 7 which is a first notification unit, and a specific lamp 8 which is a second notification unit. It has. The detection unit 2 and the communication unit 4 are housed inside a case C provided in the helmet 6 as shown in FIGS. 2 and 3. The detection unit 2 detects an abnormality of the user carrying the monitoring unit U1. The communication unit 4 transmits / receives abnormality occurrence information indicating that an abnormality has occurred to any of the users via the communication line 10 or the like. The notification lamp 7, which is the first notification unit, notifies the user carrying the monitoring unit U1 that an abnormality has occurred in any of the users (see FIG. 8B). The specific lamp 8 which is the second notification unit notifies the user carrying the watching unit U1 that an abnormality has occurred to the surroundings, and identifies the person who has the abnormality (see FIG. 8B). ).

As shown in FIGS. 1 and 4, the detection unit 2 includes a biological information acquisition unit 21, an environmental information acquisition unit 22, and a monitoring control unit 3. The biological information acquisition unit 21 and the environmental information acquisition unit 22 are various sensors provided on the helmet 6 to detect the user's biological information and data related to the environmental information. The monitoring control unit 3 is a control unit in which an application program (heat stroke risk calculation program) is installed. The heat stroke risk calculation program is stored in a storage unit included in each component of the monitoring control unit 3.

As shown in FIG. 2, the biological information acquisition unit 21 and the environmental information acquisition unit 22 are provided on a helmet 6 worn on the head by a user such as a worker working at a factory, a construction site, or a forest. It is also possible to provide the biological information acquisition unit 21 and the environmental information acquisition unit 22 on other articles (for example, outerwear, belts, hats, etc. worn by the user) different from the helmet 6.

In the present embodiment, as shown in FIGS. 2 and 3, the biometric information acquisition unit 21 is provided at the front portion of the headband 61 of the helmet 6 and acquires the biometric information of the user at predetermined measurement times. The biological information acquisition unit 21 in the present embodiment is a skin surface temperature sensor having an electrode that comes into contact with the user's temperature, and acquires biological information about the user's temperature every minute.

In addition, the biological information acquisition unit 21 acquires the temperature such as the skin contact temperature or the body temperature at a place other than the user's body temperature, and acquires various other information such as the user's pulse wave, brain wave, or blood flow. However, by combining these, it is also possible to use it as biometric information. However, because of the high correlation with the risk of developing heat stroke, it is preferable to acquire the user's body temperature as biometric information using a temperature sensor. In addition, from the viewpoint of safety that it is not necessary to put an instrument in the body for workers who perform dangerous work, and from the viewpoint of ease of measurement, a skin surface temperature sensor is attached to a wearable device worn by the user. It is more preferable to provide a configuration for acquiring the body temperature of the user. In addition, from the viewpoint of measuring biological information in the part close to the brain where the influence of heat stroke is the greatest, the user's body temperature is more configured to measure the skin contact temperature by providing a contact temperature sensor on the part of the helmet 6. preferable.

In the present embodiment, the environmental information acquisition unit 22 is housed inside the case C provided in the helmet 6, and acquires environmental information around the user at predetermined measurement times. The environmental information acquisition unit 22 in the present embodiment includes a temperature sensor that acquires the outside air temperature every minute, a humidity sensor that acquires the outside humidity every minute, and the like.

The environmental information acquisition unit 22 obtains an approximate value (hereinafter, simply referred to as “WBGT”) of the WBGT index (wet-bulb globe temperature) known as a heat index from the acquired outside air temperature and outside humidity. It is calculated every minute. The WBGT index is an index of the magnitude of heat stress received by the human body in consideration of temperature, humidity, wind speed, and radiant heat. If this value is large, it is desirable to suspend work or sports. It is said that. In addition to the outside air temperature and outside humidity, the environmental information acquisition unit 22 acquires solar radiation intensity, weather, illuminance, etc., acquires various information such as time and position information, or combines these to create an environment. It can also be used as information. However, from the viewpoint of ease of measurement, it is preferable to calculate the environmental information based on the temperature and humidity around the user.

As shown in FIG. 4, the monitoring control unit 3 includes a user score calculation unit 31, a determination point calculation unit 32, and a determination unit 33, and each unit includes a storage unit (memory or the like) and a calculation unit (CPU or the like) (not shown). ). Hereinafter, each part will be specifically described.

The user score calculation unit 31 includes the user's biometric information (in the present embodiment, the user's temperature) acquired by the biometric information acquisition unit 21, and the environmental information (in the present embodiment) acquired by the environmental information acquisition unit 22. Calculates the user's score for each measurement time (1 minute) based on the WBGT around the user).

Specifically, as shown in FIG. 5A, the storage unit of the user score calculation unit 31 is preset in accordance with the biometric information data (user's temperature) acquired by the biometric information acquisition unit 21. The score (hereinafter referred to as "living score") is stored. Further, as shown in FIG. 5 (b), the storage unit of the user score calculation unit 31 has a preset score (hereinafter, "BGT") corresponding to the environmental information data (WBGT) acquired by the environmental information acquisition unit 22. "Environmental score") is stored. Then, in the calculation unit of the user score calculation unit 31, the user score is calculated for each measurement time by adding the biometric score corresponding to the received biometric information data and the environmental score corresponding to the received environmental information data. It is calculated in.

For example, when the temperature of the user acquired by the biological information acquisition unit 21 is 36 ° C., the number of biological points is 6 as shown in FIG. 5A. Further, when the WBGT acquired by the environmental information acquisition unit 22 is 29 ° C., the environmental score is 5 as shown in FIG. 5 (b). In this case, the number of users is 6 + 5 = 11.

In the mutual monitoring system 1 according to the present embodiment, the user score calculation unit 31 is set so that the farther the values of the biological information and the environmental information are from the preset values, the higher the user score is calculated. .. Specifically, as shown in FIG. 5A, the storage unit of the user score calculation unit 31 is set so that the higher the biometric information data (high temperature), the higher the biometric score. In the present embodiment, the set value of the biometric information data is set to 30 ° C. Further, as shown in FIG. 5B, the storage unit of the user score calculation unit 31 is set so that the higher the environmental information data (WBGT), the higher the environmental score. In this embodiment, the set value of the environmental information data is set to 10 ° C.

In the present embodiment, the user score is calculated by the sum of the biological score and the environmental score, but the calculation method of the user score is not limited to this. For example, it is possible to calculate the user score by a method of using only one of the biological score and the environmental score, or a method of substituting the biological score and the environmental score into a predetermined calculation formula.

The determination score calculation unit 32 calculates the determination score by accumulating the values calculated from the user score calculated by the user score calculation unit 31 and the time coefficient set for each elapsed time retroactive from the present to the past. Calculated for each measurement time.

Specifically, as shown in FIG. 5 (c), in the storage unit of the determination point calculation unit 32, a coefficient (hereinafter, referred to as “time coefficient”) set in advance corresponding to the elapsed time retroactive from the present to the past is described. To do) is remembered. Then, in the calculation unit of the determination score calculation unit 32, the determination score is calculated for each measurement time by accumulating the product of the user score calculated by the user score calculation unit 31 and the time coefficient set for each elapsed time. It calculates.

For example, if both the biological score and the environmental score are the highest values of 12 in all of the past 240 minutes, the user score is always 24. Therefore, the theoretical maximum value of the determination points is 24 × 0.5 × 60 minutes + 24 × 1.0 × 60 minutes + 24 × 1.5 × 60 minutes + 24 × 2.0 × 60 minutes = 7200.

In the mutual watching system 1 according to the present embodiment, the time coefficient used in the determination point calculation unit 32 is set so that the elapsed time becomes smaller as the elapsed time goes back to the past. Specifically, as shown in FIG. 5 (c), the time coefficient is set to 2.0 in the storage unit of the determination point calculation unit 32 if the elapsed time is less than 60 minutes, and similarly below 120 minutes. It is set to be 1.0 for less than 1.5 and 180 minutes, 0.5 for less than 240 minutes, and 0 for 240 minutes or more.

In the present embodiment, the determination score is calculated as the cumulative value of the product of the user score and the time coefficient, but the calculation method of the determination score is not limited to this. For example, it is also possible to calculate the determination score by accumulating the values obtained by substituting the user score and the time coefficient into a predetermined calculation formula.

The determination unit 33 determines whether or not the determination points calculated by the determination point calculation unit 32 exceed a preset threshold value. Specifically, if the judgment score is less than the threshold value, it is judged as "safe", and if the judgment score is more than the threshold value, it is judged as "dangerous". When the determination unit 33 determines that it is "dangerous", the detection unit 2 transmits the abnormality occurrence information indicating that an abnormality has occurred to the user to the communication unit 4. In the present embodiment, the threshold value is set to 5000, and if the judgment score is less than the threshold value (less than 5000), it is judged as "safe", and if the judgment score is more than the threshold value (5000 or more), it is judged as "dangerous". are doing.

As shown in FIG. 1, the communication unit 4 in the monitoring unit U has a bidirectional communication function for exchanging data with the communication unit 4 in another monitoring unit U via the communication line 10. In the mutual monitoring system 1, one-to-many wide-range wireless communication is adopted for communication between the communication units 4. Specifically, Bluetooth (registered trademark) is adopted as a communication method between the communication units 4. As a communication method between the communication units 4, Wi-Fi (registered trademark), wireless LAN, ZigBee (registered trademark), NFC and the like can also be adopted. As a communication method between the communication units 4, Bluetooth is preferable from the viewpoint that 400 m communication is possible and broadcast communication is possible.

Further, the communication unit 4 has a transmission function for transmitting the abnormality occurrence information to the notification lamp 7 and the specific lamp 8. One-to-one short-range wireless communication is adopted for communication between the communication unit 4 and the notification lamp 7 and the specific lamp 8. Specifically, as a communication method between the communication unit 4, the notification lamp 7, and the specific lamp 8, Bluetooth is adopted as in the communication between the communication units 4. Communication between the communication unit 4 and the notification lamp 7 and the specific lamp 8 is possible for 30 m, and ANT can be adopted from the viewpoint of power saving within a range of several m. In the present embodiment, the communication between the communication unit 4 and the notification lamp 7 and the specific lamp 8 is made wireless so that the wiring does not get in the way when the monitoring unit U is used.

The notification lamp 7 which is the first notification unit and the specific lamp 8 which is the second notification unit are light emitting members using LEDs. In addition to the light emitting member, the first notification unit and the second notification unit include a vocalizing member such as a buzzer, an oscillating member such as a vibrator, a heat generating member, a display member such as a display, an odor generating member, and the like. Alternatively, it can be used in combination. Further, the notification method may be different between the first notification unit and the second notification unit. In the present embodiment, as the first notification unit and the second notification unit, a notification lamp 7 and a specific lamp 8 which are light emitting members that can be recognized even at a work site where there is a lot of sound and vibration are adopted.

As shown in FIGS. 2 and 3, the notification lamp 7 is fixed to a portion that can be visually recognized by the user wearing the helmet 6 (in the present embodiment, the lower surface portion of the eaves in the helmet 6). Further, the specific lamp 8 is fixed to a portion of the helmet 6 that is easily visible to other users (in the present embodiment, the rear portion of the helmet 6).

The notification lamp 7 can be fixed to clothes or the like other than the helmet 6 as long as it can be visually recognized by the user. Further, the specific lamp 8 can be fixed to clothes or the like other than the helmet 6 as long as it is easily visible to other users. The notification lamp 7 and the specific lamp 8 can be fixed to clothes or the like other than the helmet 6. The notification lamp 7 and the specific lamp 8 may be fixed by any means such as a clip, a screw, a hook-and-loop fastener, a magnet, a double-sided tape, and a snap pin, but it is preferable to use a clip that is easy to put on and take off.

The size of the notification lamp 7 and the specific lamp 8 is small (20 mm to 50 mm × 20 mm to 60 mm) because it is excellent in portability and wearability. Further, the shape of the notification lamp 7 and the specific lamp 8 may be any shape such as a round shape and a polygonal shape, and the round shape is particularly preferable because of light distribution, waterproofness, and minimization.

Regarding the mutual watching method (more specifically, the heat stroke risk determination performed by the mutual watching method) performed by the mutual watching system 1 configured as described above, the data of the first embodiment shown in FIG. 7A is used. Will be explained concretely. Hereinafter, the processing in the monitoring unit U1 will be mainly described.

First, the biometric information acquisition unit 21 of the detection unit 2 acquires the temperature, which is the biometric information of the user measured by the helmet 6 worn by the user, every minute (biological information acquisition process, FIG. Step S01 in step 6). In this embodiment, for convenience of explanation, it is assumed that the hot temperature within the past 60 minutes has been constant at 36 ° C. as shown in FIG. 7 (a). Then, similarly, 37 ° C. in the past 60 minutes or more and less than 120 minutes, 37 ° C. in the past 120 minutes or more and less than 180 minutes, 36 ° C. in the past 180 minutes or more and less than 240 minutes, and 36 ° C. in the past 240 minutes or more. It is assumed that certain data has been acquired in.

In parallel with the biological information acquisition process, the environmental information acquisition unit 22 acquires the WBGT, which is the environmental information around the user, every minute (environmental information acquisition process, step S02 in FIG. 6). In this embodiment, for convenience of explanation, it is assumed that the WBGT within the past 60 minutes has been constant at 28 ° C. as shown in FIG. 7 (a). Then, similarly, 33 ° C. in the past 60 minutes or more and less than 120 minutes, 32 ° C. in the past 120 minutes or more and less than 180 minutes, 31 ° C. in the past 180 minutes or more and less than 240 minutes, and 29 ° C. in the past 240 minutes or more. It is assumed that a certain amount of WBGT data has been acquired in.

Next, the user score calculation unit 31 calculates the user score every minute based on the hot temperature and the WBGT (user score calculation step, step S03 in FIG. 6). Specifically, as shown in FIG. 7 (a), the user score is calculated by adding the biological score corresponding to the hot temperature, which is the biological information data, and the environmental score corresponding to the WBGT, which is the environmental information data. Calculated for each measurement time. In this embodiment, the number of users within the past 60 minutes is 10 per minute, and similarly, 14 for the past 60 minutes or more and less than 120 minutes, 13 for the past 120 minutes or more and less than 180 minutes, and 240 for the past 180 minutes or more. It is 12 in less than a minute and 11 in a time zone in which the past 240 minutes or more have passed.

Next, in the determination score calculation unit 32, the determination score is calculated every minute by accumulating the values calculated from the user score and the time coefficient set for each elapsed time retroactive from the present to the past. (Determination point calculation step, step S04 in FIG. 6). Specifically, the product of the user score calculated by the user score calculation unit 31 and the time coefficient set for each elapsed time is accumulated. In the present embodiment, the time coefficient for the elapsed time of less than 60 minutes is set to 2.0, and similarly, 1.5 for less than 120 minutes, 1.0 for less than 180 minutes, and 0.5, 240 for less than 240 minutes. It is set to be 0 for more than a minute. Therefore, as shown in FIG. 7A, the product of the number of users per minute and the time coefficient in each time zone is 20 within the past 60 minutes, 21 within the past 60 minutes or more and less than 120 minutes, and 120 minutes or more in the past. It is 13 for less than 180 minutes, 6 for the past 180 minutes or more and less than 240 minutes, and 0 for the past 240 minutes or more. Then, since the cumulative values for 60 minutes in each time zone are 1200, 1260, 780, 360, and 0 in that order, the total determination score is 3600.

Next, the determination unit 33 determines whether or not the determination points calculated by the determination point calculation unit 32 exceed a preset threshold value (heat stroke risk determination step, step S05 in FIG. 6). Specifically, if the judgment score is less than the threshold value (less than 5000), it is judged as "safe", and if the judgment score is more than the threshold value (5000 or more), it is judged as "dangerous". In this embodiment, since the determination score is 3600, the determination unit 33 determines that it is "safe".

When the determination unit 33 determines that it is "safe" as in this embodiment, the determination unit 33 determines that no abnormality (increased risk of heat stroke) has occurred in the user, and transmits the abnormality occurrence information. do not do. In this case, as shown in FIG. 8A, the notification lamp 7 and the specific lamp 8 do not emit light in any of the monitoring units U1 to U4. For convenience of explanation, the specific lamp 8 is shown on the side of the helmet 6 in FIGS. 8A and 8B. Further, in FIGS. 8A and 8B, it is assumed that the communication units 4 of the watching units U1 to U4 are in a state of being able to communicate with each other in both directions.

Next, the data of the second embodiment shown in FIG. 7B will be described. Since the determination procedure for the following example data is the same as that for the first embodiment data, detailed procedures such as calculation methods for various data will be omitted.

In the biological information acquisition step in this embodiment, as shown in FIG. 7B, it is assumed that the hot temperature within the past 60 minutes was constant at 39 ° C. Then, similarly, 39 ° C. in the past 60 minutes or more and less than 120 minutes, 38 ° C. in the past 120 minutes or more and less than 180 minutes, 36 ° C. in the past 180 minutes or more and less than 240 minutes, and 36 ° C. in the past 240 minutes or more. It is assumed that certain data has been acquired in. That is, in this embodiment, it is assumed that the temperature tends to rise from the past to the present.

Further, in the environmental information acquisition step, as shown in FIG. 7B, it is assumed that the WBGT within the past 60 minutes was constant at 38 ° C. And similarly, 37 ° C. in the past 60 minutes or more and less than 120 minutes, 35 ° C. in the past 120 minutes or more and less than 180 minutes, 31 ° C. in the past 180 minutes or more and less than 240 minutes, and 29 ° C. in the past 240 minutes or more. It is assumed that a certain amount of WBGT data has been acquired in. That is, in this embodiment, it is assumed that the WBGT tends to increase from the past to the present.

Next, in the user score calculation step, as shown in FIG. 7B, the user score within the past 60 minutes is 18 per minute, and similarly, 18 in the past 60 minutes or more and less than 120 minutes, and 120 in the past. 16 for minutes or more and less than 180 minutes, 12 for the past 180 minutes or more and less than 240 minutes, and 11 for the past 240 minutes or more.

Next, in the determination score calculation step, as shown in FIG. 7B, 36 within the past 60 minutes, 27 in the past 60 minutes or more and less than 120 minutes, 16 in the past 120 minutes or more and less than 180 minutes, and 240 in the past 180 minutes or more. It becomes 6 in less than minutes and 0 in the time zone when the past 240 minutes or more have passed. Then, since the cumulative values for 60 minutes in each time zone are 2160, 1620, 960, 360, and 0 in that order, the total determination score is 5100.

Next, in the heat stroke risk determination step, since the determination score of this embodiment is 5100, which is equal to or greater than the threshold value (5000 or more), the determination unit 33 determines that it is “dangerous”. When the determination unit 33 determines that it is "dangerous" as in this embodiment, the determination unit 33 determines that an abnormality (increased risk of heat stroke) has occurred in the user, and the communication unit 4 is informed of the occurrence of the abnormality. To send. The communication unit 4 that has received the abnormality occurrence information from the detection unit 2 in the same watching unit U sends the abnormality occurrence information to the notification lamp 7 and the specific lamp 8 in the watching unit U1 and the communication unit 4 in the other watching units U2 to U4. Send.

As shown in FIG. 8B, the notification lamp 7 and the specific lamp 8 that have received the abnormality occurrence information in the monitoring unit U1 notify that the risk of heat stroke of the user has increased by emitting light. The user of the watching unit U1 recognizes that the risk of his / her heat stroke is high by visually recognizing that the notification lamp 7 and the specific lamp 8 of the watching unit U1 carried by him / her are emitting light.

In the other watching units U2 to U4, the communication unit 4 that has received the abnormality occurrence information from the communication unit 4 in the watching unit U1 transmits the abnormality occurrence information to the notification lamp 7. That is, when the communication unit 4 receives the abnormality occurrence information from the communication unit 4 in the other monitoring unit U via the communication line 10, the communication unit 4 transmits the abnormality occurrence information only to the notification lamp 7. Then, as shown in FIG. 8B, the notification lamps 7 in the other monitoring units U2 to U4 emit light to notify that the risk of heat stroke of any user has increased.

By visually recognizing that the notification lamp 7 of the monitoring unit U2 to U4 is emitting light and that the specific lamp 8 of the monitoring unit is not emitting light, the user other than himself / herself suffers from heat stroke. Recognize that the risk has increased. Then, the user of the watching unit U2 to U4 identifies a person who has a high risk of heat stroke by visually recognizing that the specific lamp 8 of the user of the watching unit U1 is emitting light, and the user concerned. Recognize that the risk of heat stroke has increased.

At this time, the lighting of the notification lamp 7 in the watching unit U1 and the lighting of the notification lamp 7 in the other watching units U2 to U4 can be changed. For example, the notification lamp 7 in the watching unit U1 may be continuously emitted, and the notification lamp 7 in the other watching units U2 to U4 may be blinked to emit light, or the light emitting intensity of the notification lamp 7 in the watching unit U1. It is also possible to strengthen the light emission intensity of the notification lamp 7 in the other watching units U2 to U4. As a result, the user of the monitoring unit U1 recognizes that there is a high risk of heat stroke by visually recognizing the continuous light emission of the notification lamp 7 carried by the user and the degree of intensity of the light emission. In addition, the users of the watching units U2 to U4 have a high risk of heat stroke of users other than themselves by visually recognizing the blinking light emission of the notification lamp 7 carried by themselves and the degree of intensity of the light emission. Recognize. Similarly, the way the notification lamp 7 shines and the way the specific lamp 8 shines can be changed. Thereby, in order to suppress the manufacturing cost, the notification lamp 7 and the specific lamp 8 can be distinguished even when the lighting method of the notification lamp 7 and the member constituting the specific lamp 8 are the same.

As described above, according to the mutual watching system 1 according to the present embodiment, for those around the person (user of the watching unit U1) who is at risk of heat stroke (user of the watching unit U2 to U4). , The existence of a person at risk of heat stroke and the place where the person is located are notified. In other words, in the mutual watching system 1, there is an abnormality in the communication unit 4 of the other watching units U2 to U4 at a position where communication with the communication unit 4 of the watching unit U1 is possible (near a person at risk of heat stroke). It is configured to send the occurrence information. This makes it possible to encourage rescue by those around us and to carry out rescue activities promptly and appropriately when the risk of heat stroke increases.

Further, in the mutual watching system 1 according to the present embodiment, the communication unit 4 in the watching unit U1 transmits the abnormality occurrence information to the notification lamp 7 and the specific lamp 8 via one-to-one wireless communication. Further, the communication unit 4 in the watching unit U transmits the abnormality occurrence information to the communication unit 4 in the other watching unit U via one-to-many wide range wireless communication. By making each line different in this way, it is not necessary to perform complicated switching when transmitting the abnormality occurrence information from the communication unit 4. Further, by properly using wireless communication having a different communication range, it is possible to reduce the size of the device while saving power. Further, since the abnormality occurrence information is transmitted via one-to-many wide-range wireless communication, there is no need to register the ID, and it becomes easy to add or replace the monitoring unit.

Further, the mutual watching system 1 according to the present embodiment is configured by a stand-alone system that is not connected to an external network as described above. As a result, it can be operated without connecting to an external network such as an Internet line. Moreover, since it is not affected by the external network, it is possible to stabilize operations such as processing speed. In addition, since a management server or the like is not required and the entire system can be configured in a simple manner, power consumption can be reduced and manufacturing costs can be suppressed.

Further, in the mutual monitoring system 1 according to the present embodiment, at least one of a light emitting member, a vocalizing member, or an oscillating member is adopted as the first notification unit and / or the second notification unit. As a result, it is possible to appropriately notify the user of the occurrence of an abnormality according to the usage mode of the monitoring unit U.

Further, in the monitoring unit U of the mutual monitoring system 1 according to the present embodiment, the notification lamp 7 which is the first notification unit is mounted within a range visible to the user carrying the monitoring unit U. As a result, it is possible to immediately notify the users around the user that the risk of heat stroke of any user in the mutual monitoring system 1 has increased.

Further, in the monitoring unit U of the mutual monitoring system 1 according to the present embodiment, the detection unit 2 detects an abnormality of the user based on the biometric information of the user and / or the environmental information around the user. It has a structure. Thereby, it is possible to detect the presence or absence of an abnormality (heat stroke in this embodiment) that occurs in the user himself / herself.

Further, in the monitoring unit U of the mutual monitoring system 1 according to the present embodiment, the detection unit 2 is configured to detect an abnormality of the user based on the increased risk of heat stroke in the user. As a result, it is possible to quickly detect that the risk of heat stroke in the user of the mutual monitoring system 1 has increased, and to carry out appropriate relief activities by those around him.

1 Mutual monitoring system 2 Detector
3 Watching control unit 4 Communication unit
6 Helmet (wearable device)
7 Notification lamp 8 Specific lamp
10 Communication line 21 Biometric information acquisition unit
22 Environmental information acquisition department 31 User score calculation department
32 Judgment score calculation unit 33 Judgment unit
61 Headband U Watching Unit

Claims (9)

It is a mutual watching system consisting of watching units carried by multiple users.
The watching unit is
A detector that detects abnormalities of the user carrying the monitoring unit,
A communication unit that sends and receives abnormality occurrence information indicating that an abnormality has occurred to any of the users.
A first notification unit that notifies the user carrying the monitoring unit that an abnormality has occurred in any of the users.
It is equipped with a second notification unit that notifies the surroundings that an abnormality has occurred in the user.
In one watching unit carried by one user,
The detection unit that has detected the abnormality of the one user transmits the abnormality occurrence information to the communication unit, and the communication unit that receives the abnormality occurrence information is the first notification unit and the second notification unit. And, the abnormality occurrence information is transmitted to the communication unit in at least one other watching unit, and the first notification unit and the second notification unit that have received the abnormality occurrence information notify the occurrence of the abnormality. ,
In other watching units carried by other users
The communication unit that has received the abnormality occurrence information from the communication unit in the one watching unit transmits the abnormality occurrence information to the first notification unit, and the first notification unit notifies the occurrence of the abnormality. , Mutual watching system. The abnormality occurrence information is transmitted from the communication unit in the one watching unit to the first notification unit and the second notification unit via one-to-one wireless communication.
The mutual according to claim 1, wherein the abnormality occurrence information is transmitted from the communication unit in the one watching unit to the communication unit in at least one other watching unit via one-to-many wide range wireless communication. Watching system. The mutual watching system according to claim 1 or 2, which is not connected to an external network. The first notification unit and / or the second notification unit is at least one of a light emitting member, a vocalizing member, and an oscillating member, according to any one of claims 1 to 3. Mutual watching system. The mutual watching system according to any one of claims 1 to 4, wherein the first notification unit is mounted within a range visible to the one user. The detection unit detects an abnormality of the user based on the biometric information of the user and / or the environmental information around the user, according to any one of claims 1 to 5. The described mutual watching system. The mutual monitoring system according to any one of claims 1 to 6, wherein the detection unit detects an abnormality of the user based on an increased risk of heat stroke in the user. It is a mutual watching method using a watching unit carried by multiple users.
The watching unit is
A detector that detects abnormalities of the user carrying the monitoring unit,
A communication unit that sends and receives abnormality occurrence information indicating that an abnormality has occurred to any of the users.
A first notification unit that notifies the user carrying the monitoring unit that an abnormality has occurred in any of the users.
It is equipped with a second notification unit that notifies the surroundings that an abnormality has occurred in the user.
In one watching unit carried by one user,
The detection unit that has detected the abnormality of the one user transmits the abnormality occurrence information to the communication unit, and the communication unit that receives the abnormality occurrence information is the first notification unit and the second notification unit. And, the abnormality occurrence information is transmitted to the communication unit in at least one other watching unit, and the first notification unit and the second notification unit that have received the abnormality occurrence information notify the occurrence of the abnormality. ,
In other watching units carried by other users
The communication unit that has received the abnormality occurrence information from the communication unit in the one watching unit transmits the abnormality occurrence information to the first notification unit, and the first notification unit notifies the occurrence of the abnormality. , Mutual watching method. It is a watching unit that is carried by multiple users.
A detector that detects abnormalities of the user carrying the monitoring unit,
A communication unit that sends and receives abnormality occurrence information indicating that an abnormality has occurred to any of the users.
A first notification unit that notifies the user carrying the monitoring unit that an abnormality has occurred in any of the users.
It is equipped with a second notification unit that notifies the surroundings that an abnormality has occurred in the user.
In one watching unit carried by one user, when the detection unit detects an abnormality of the one user, the detection unit transmits the abnormality occurrence information to the communication unit, and the abnormality occurrence information is transmitted. The communication unit that received the error transmission the abnormality occurrence information to the communication unit in the first notification unit, the second notification unit, and at least one other watching unit, and received the abnormality occurrence information. The first notification unit and the second notification unit notify the occurrence of an abnormality,
In one watching unit carried by one user, when the communication unit receives the abnormality occurrence information from the communication unit in the at least one other watching unit, the abnormality occurrence occurs in the first notification unit. A monitoring unit that transmits information and the first notification unit notifies the occurrence of an abnormality.

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