JP6972868B2 - Safety judgment program, safety judgment method and safety judgment device - Google Patents

Description

The present invention relates to a safety degree determination program, a safety degree determination method, and a safety degree determination device.

At aerial work platforms, workers wear safety equipment to work so that they can avoid falling or falling as much as possible. Conventionally, the use of safety belts has been entrusted to workers, but in recent years, a technique for collecting and managing the usage status of each worker's safety belt by using a safety belt with a sensor having a communication function has been known. .. For example, a safety belt with a sensor determines whether the hook is in use or unplugged and sends it to the management server. The management server identifies the worker whose hook is disconnected according to the information received from each sensor-equipped safety belt of each worker, and outputs an alarm or the like.

Japanese Unexamined Patent Publication No. 2009-165517 Japanese Unexamined Patent Publication No. 2015-204998 Japanese Unexamined Patent Publication No. 2002-239021 Japanese Unexamined Patent Publication No. 2006-302096

However, with the above technique, it is difficult to detect a worker with a high work risk who is in a situation where an accident is relatively likely to occur. For example, by using a safety belt with a sensor, it is possible to collect off time zones when the safety belt is not used, but even if the off time is long, it is judged whether it is due to the habit or skill of the worker. Can't be done.

In one aspect, it is an object of the present invention to provide a safety degree determination program, a safety degree determination method, and a safety degree determination device capable of detecting a worker having a high work risk.

In the first plan, the safety determination program has a transmission function of transmitting attachment information indicating whether or not the computer is attached to a support provided at the work site, and the safety belt worn by the operator. Therefore, a process of acquiring history information including the position information of the safety belt and the mounting information in the position information is executed. The safety degree determination program causes the computer to execute a process of specifying the length of time in which the safety belt is not attached in the history information. The safety degree determination program executes a process of determining the safety degree of the worker based on the reference value that allows the state in which the safety belt is not attached at the work site and the length of time. Let me.

According to one embodiment, it is possible to detect a worker having a high work risk.

FIG. 1 is a diagram showing an overall configuration example of the system according to the first embodiment. FIG. 2 is a diagram showing an example of a work site according to the first embodiment. FIG. 3 is a functional block diagram showing a functional configuration of the safety level determination device according to the first embodiment. FIG. 4 is a diagram showing an example of information stored in the pipe structure DB. FIG. 5 is a diagram showing an example of information stored in the worker DB. FIG. 6 is a diagram showing an example of information stored in the history information DB. FIG. 7 is a diagram illustrating mounting information. FIG. 8 is a diagram illustrating a safety determination example. FIG. 9 is a flowchart showing the flow of processing. FIG. 10 is a diagram illustrating an example of setting a work plan by an administrator. FIG. 11 is a diagram illustrating identification of a work having a long working time. FIG. 12 is a diagram illustrating identification of anomalous work. FIG. 13 is a diagram illustrating a hardware configuration example.

Hereinafter, examples of the safety degree determination program, the safety degree determination method, and the safety degree determination device disclosed in the present application will be described in detail with reference to the drawings. The present invention is not limited to this embodiment. In addition, each embodiment can be appropriately combined within a consistent range.

[overall structure]
FIG. 1 is a diagram showing an overall configuration example of the system according to the first embodiment. As shown in FIG. 1, this system includes a safety belt 1 worn by a worker working at a high place, a smartphone 3 carried by the worker, a sensor 5 worn by the worker on a part of the body, and the like. The management terminal 7 owned by the on-site supervisor and the safety level determination device 10 that provides the cloud service are connected to each other so as to be capable of wireless communication. Here, the worker wears one or more safety belts 1 to perform the work at a high place, and the site supervisor manages the work content and progress of the worker and the safety of each worker. An example in which the safety belt 1 and the sensor 5 are separate housings will be described, but the present invention is not limited to this, and the safety belt 1 may have the sensor 5.

Here, an example of a site where each worker performs work will be described. FIG. 2 is a diagram showing an example of a work site according to the first embodiment. As shown in FIG. 2, in this embodiment, the construction of a 31-story building or the like will be described as an example. In such construction, a scaffold for workers to work is constructed using fixed objects such as pipes and pillars. In the example of FIG. 2, the scaffold is composed of 17 pipes from the first pipe (P1) to the 17th pipe (P17). Then, each worker climbs from the ground to the work place while changing the safety belt 1. For example, the worker moves from the ground to the work place while replacing the safety belt 1 with each of the pipes P1, P2, P6, P7, P8, P12, P13, P14, and P15.

Returning to FIG. 1, the safety belt 1 is a determination function such as a sensor for determining whether or not it is safely attached to a support such as a scaffold or a pillar fixed to a work site or a fixed object, and the determination result thereof. This is an example of a safety hook having a transmission function of transmitting mounting information to the safety level determination device 10.

For example, the safety belt 1 suppresses the determination function, the tension sensor, and the transmission function when the safety belt 1 is stored in the storage portion possessed by the operator. Further, the safety belt 1 transmits an on signal to the safety degree determination device 10 when the hook portion is attached to the work site, and sends an off signal to the safety degree determination device when the hook portion is not attached to the work site. Send to 10.

The smartphone 3 is an example of a communication device having a short-range communication or wireless communication function such as Bluetooth (registered trademark). For example, when the smartphone 3 receives a warning signal, a warning message, or the like from the safety level determination device 10, the smartphone 3 notifies the warning by vibration, voice, or the like.

The sensor 5 is an example of a measuring device that senses environmental information about the working environment in which the worker is working and transmits it to the safety level determination device 10. For example, the sensor 5 measures the position information (coordinates) of the worker, the height at which the worker is located, the acceleration data of the worker, and the like, and transmits the measurement to the safety degree determination device 10. For various sensing and the like, a known method such as GPS (Global Positioning System) can be adopted, and the transmission interval can be arbitrarily set, but for example, transmission is performed every second.

The management terminal 7 is an example of a computer device used for managing a work plan of a work site, information of a worker, work time, progress, and the like, and is, for example, a tablet terminal or a smartphone. The management terminal 7 receives and displays each information such as a warning, a management screen, and work progress from the safety level determination device 10, and notifies the site supervisor.

The safety level determination device 10 is an example of a computer device that transmits and receives various information by wireless communication of another device, and integrates and manages installation information and environmental information of each worker, and also manages past work history and the like.

In such a system, the safety level determination device 10 has a safety belt position information and a safety belt position information from the safety belt 1 having a transmission function of transmitting mounting information indicating whether or not the safety belt is mounted on the work site by the worker. Acquire history information including mounting information in the position information. Then, the safety degree determination device 10 specifies the length of time in the history information when the safety belt 1 is not attached. After that, the safety degree determination device 10 determines the safety degree of the worker based on the length of the permissible time that allows the state in which the safety belt 1 is not attached at the work site and the length of the time.

For example, the safety degree determination device 10 compares the reference information (reference value) such as the past work history of the worker, the work history of the beginner, and the work history of the expert with the current work history of the worker. It is determined whether or not an off time of the safety belt 1 different from the normal one has occurred. Then, when the safety degree determination device 10 detects an off state of the safety belt 1 different from the normal one, the operator determines that the work state has a high risk. After that, the safety degree determination device 10 transmits a warning to the smartphone 3 of the worker or another smartphone 3 in the vicinity of the worker.

In this way, the safety level determination device 10 can identify a worker who is performing a work different from the normal work by using another objective index, and thus detects a worker having a high work risk. can do.

[Functional configuration]
Subsequently, the functional configuration of each device shown in FIG. 1 will be described. The safety belt 1 has the same function as the known safety belt 1 having a communication function, the smartphone 3 has the same function as a general communication device, and the sensor 5 has the same function as a general sensor. Since the management terminal 7 has the same function as that of a general computer device, detailed description thereof will be omitted. Here, the safety degree determination device 10 having a function different from the general function will be described.

FIG. 3 is a functional block diagram showing a functional configuration of the safety level determination device 10 according to the first embodiment. As shown in FIG. 3, the safety degree determination device 10 includes a communication unit 11, a storage unit 12, and a control unit 30.

The communication unit 11 is a processing unit that controls communication between other devices, such as a communication interface and a wireless interface. For example, the communication unit 11 receives the mounting information from the safety belt 1 of each worker, receives the environmental information from the sensor 5, and sends a warning to the smartphone 3 and the management terminal 7.

The storage unit 12 is an example of a storage device for storing programs and data, such as a memory and a hard disk. The storage unit 12 has a pipe structure DB 13, a worker DB 14, a history information DB 15, a past history DB 16, a beginner technology DB 17, and a model technology DB 18.

The pipe structure DB 13 is a database that stores information about fixed objects created at the work site. Specifically, the pipe structure DB 13 stores information about the pipe used by the worker for movement.

FIG. 4 is a diagram showing an example of information stored in the pipe structure DB 13. As shown in FIG. 4, the pipe structure DB 13 stores "pipe name, start point, end point, distance" in association with each other. The "pipe name" is an identifier that identifies the pipe. The "start point" is position information indicating the start position of the pipe, and the "end point" is position information indicating the end position of the pipe. The "distance (length)" is information indicating the length of the pipe. In the example of FIG. 4, it is shown that the pipe P1 having a length of 10 m is installed at the positions from “35.4 / 139/0” to “35.4 / 140/5”. The information stored here is updated by the administrator or the like.

The worker DB 14 is a database that stores information about the worker. FIG. 5 is a diagram showing an example of information stored in the worker DB 14. As shown in FIG. 5, the worker DB 14 stores "device ID, worker ID, worker name, years of experience, contact information" in association with each other. The "device ID" is an identifier that identifies the safety belt 1 used by the operator. The "worker ID" is an identifier that identifies the worker. The "worker name" is the name of the worker, and the "years of experience" is the number of years of experience of the worker. The "contact information" is the contact information of the worker, for example, an e-mail address, a telephone number, an ID of SNS (Social Networking Service), an ID of Bluetooth (registered trademark), and the like.

In the example of FIG. 5, Patent Taro, who has 30 years of experience, uses the safety belt 1 of "D1" and indicates that the contact is "XXX". It is also possible to further associate and store the "sensor ID" that identifies the sensor 5 carried by the operator.

The history information DB 15 is a database that stores past information acquired from the worker's safety belt 1 and the sensor 5. FIG. 6 is a diagram showing an example of information stored in the history information DB 15. As shown in FIG. 6, the history information DB 15 has "No, worker ID, pipe name, GPS of start time, GPS of end time, hook state, start time, end time, required time, travel distance," of each day. Remarks ”are associated and stored.

"No" is an identifier for identifying a record (information) of history information, "worker ID" is an identifier for identifying a worker, and "pipe name" is a pipe passed by a worker when moving. An identifier to identify. The "GPS of the start time" is the position information of the change start time of the hook state, and the "GPS of the end time" is the position information of the change end time of the hook state. The "hook state" is information indicating whether or not the safety belt 1 is normally attached to a pipe or the like. If it is normally attached, the on is stored, and if it is not normally attached, the off is stored. NS.

The "start time" is the time when the change in the state of the hook (safety belt 1) is started, and the "end time" is the time when the change in the state of the hook (safety belt 1) is finished. The "required time" is the time required for the pipe to move, that is, the time for which the state of the safety belt 1 is maintained. The "moving distance" is the distance traveled by the worker, and can be specified by the distance (length) of the pipe, or can be calculated by the difference in the position information by GPS. The "remarks" are information input by the operator of the smartphone 3.

In the first line of FIG. 6, the worker A connects the 10 m pipe P1 located at "(35.4 / 139/0)-(35.4 / 140/5)" from "8:00:00" to "8:". It indicates that the safety belt 1 was turned on until 01:00 and moved in 1 minute. Moreover, this first line corresponds to the start of work. The history information DB 15 can manage the history information by dividing it into each worker or each work content. For example, the history information DB 15 separately manages the history information of the work S1 (wall painting) of the worker A and the history information of the work S2 (outer wall mounting), and is combined with the history information of the work S1 (wall painting) of the worker B. It is possible to manage the history information of work S2 (outer wall mounting) separately.

The past history DB 16 is a database that stores the past history information of each worker. Specifically, the past history DB 16 stores the average value of the past history information by classifying it according to the work content of each worker. The stored information is the same as that in FIG. Here, as an example of the average value, the average value of the required time and the average value of the travel distance correspond.

The beginner technology DB 17 is a database that stores past history information of inexperienced workers (beginners) who are not accustomed to work whose work experience years are less than or equal to a threshold value, such as those in the third year or less after joining the company. Specifically, the beginner technology DB 17 divides each work content and stores the history information assumed to be the work history of the beginner. For example, it is possible to estimate the average value of the past history information of a plurality of beginners as the work history of the beginner and store it in the beginner technology DB 17. Here, as an example of the average value, the average value of the required time and the average value of the travel distance correspond. The stored information is the same as that in FIG. 6, and can be generated by an administrator or the like or the safety level determination device 10. Further, the work content can be identified by the work content ID or the like.

The model technology DB 18 is a database that stores past history information of a model worker having a certain technical level, such as a worker whose accident has occurred below a threshold value. Specifically, the model technology DB 18 divides each work content and stores the work history of the model worker and the assumed history information. For example, the average value of the past history information of a plurality of model workers can be estimated as the work history of the model workers and stored in the model technology DB 18. Here, as an example of the average value, the average value of the required time and the average value of the travel distance correspond. The stored information is the same as that in FIG. 6, and can be generated by an administrator or the like or the safety level determination device 10. Further, the work content can be identified by the work content ID or the like.

The control unit 30 is a processing unit that controls the entire safety level determination device 10, and is, for example, a processor. The control unit 30 has a collection unit 31, a determination unit 32, and a warning unit 35. The collection unit 31, the determination unit 32, and the warning unit 35 are an example of an electronic circuit such as a processor and an example of a process executed by the processor. Further, the collecting unit 31 is an example of an acquisition unit, and the determination unit 32 is an example of a specific unit and a determination unit.

The collecting unit 31 is attached to the safety belt 1 and the position information of the safety belt 1 from the safety belt 1 and the sensor 5 having a transmission function of transmitting the attachment information indicating whether or not the worker is attached to the work site. It is a processing unit that collects history information including mounting information.

For example, when the collecting unit 31 receives the hook state and the position information from the safety belt 1 and the sensor 5 of the device ID “D1” used by the worker with the worker ID “A”, the receiving unit 31 starts the reception time at this time. It is determined to be the time, and the position information at this time is determined to be the GPS of the start time. Then, the collecting unit 31 stores the GPS of the start time, the hook state, and the start time in the history information DB 15 in association with each other.

Subsequently, when the collecting unit 31 receives the changed hook state and the position information from the safety belt 1 and the sensor 5, the collecting unit 31 determines the reception time at this time as the end time, and sets the position information at this time as the end time. Determined to be GPS. Then, the collecting unit 31 stores the end time and the GPS of the end time in the history information DB 15 in association with each other.

Further, the collecting unit 31 identifies the pipe names corresponding to the GPS at the start time and the GPS at the end time from the pipe structure DB 13, and stores them in the history information DB 15 in association with each of the above information. Further, the collecting unit 31 stores the difference between the start time and the end time as the required time in the history information DB 15. Further, the collecting unit 31 calculates the absolute value of the difference between the GPS at the start time and the GPS at the end time, and stores it in the history information DB 15 as the moving distance.

For example, the collecting unit 31 can specify a time zone in which the safety belt 1 is off or on by the mounting information received from the safety belt 1 or the sensor 5. FIG. 7 is a diagram illustrating mounting information. As shown in FIG. 7, when the safety belt 1 is attached to the pipe P1, on information is transmitted to the safety degree determination device 10, and when the safety belt 1 is removed from the pipe P1, off information is transmitted to the safety degree determination device 10.

Therefore, the collecting unit 31 can calculate the length of time when the safety belt 1 is off from the difference between the time when the safety belt 1 is turned off and the time when the safety belt 1 is turned on. Similarly, the collecting unit 31 can calculate the distance traveled by the operator while the safety belt 1 is off from the difference between the position information in which the safety belt 1 is turned off and the position information in which the safety belt 1 is turned on.

In this way, each time the collection unit 31 receives information from the safety belt 1 or the sensor 5, the collection unit 31 generates history information and stores it in the history information DB 15. The GPS at the end time is stored as the GPS at the start time of the next record, and the end time is stored as the start time of the next record.

The determination unit 32 has an initial determination unit 33 and a standard determination unit 34, selects a reference work history, compares the work history of the current worker with the reference work history, and of the worker. It is a processing unit that determines safety.

The initial determination unit 33 is a processing unit that determines the safety of the worker by comparing the history information of the worker with the beginner's technique from the start of the work at the work site to the predetermined number of days. That is, the initial determination unit 33 has a past history and work of the corresponding work content stored in the beginner technology DB 17 for a predetermined period such as two days from the start of the work when working at a work site unfamiliar with the new work site. The safety of the worker is judged by comparing with the history information of the person.

For example, when the initial determination unit 33 accumulates the history information of the worker A performing the work content S1 (work S1) for a predetermined time (for example, one hour), the initial determination unit 33 has a predetermined time of the past history of the beginner corresponding to the work content S1. Minutes are extracted from the beginner technology DB17. Then, the initial determination unit 33 compares the history information of the worker A with the past history of the beginner's technique, and when the total off time of the safety belt 1 is longer than the history information of the worker A, the worker A Is determined to be a high-risk working condition. That is, on average, the initial determination unit 33 determines that the safety of the worker A is dangerous when the worker A has turned off the safety belt 1 for a longer time than the beginner.

As another example, the initial determination unit 33 can also make a determination focusing on each record in which the hook state is off. For example, the initial determination unit 33 specifies the required time (off time) in which the safety belt 1 is off in the pipe P1 from the history information of the worker A, and specifies the corresponding past history from the beginner technology DB 17. Then, when the off time of the history information of the worker A is longer, the initial determination unit 33 can also determine that the worker A is in a high-risk working state. That is, if the off time of the worker A is long for a certain pipe, the initial determination unit 33 determines that the safety of the worker A is dangerous because there is a high possibility that the worker A is working while the pipe is off.

Further, the initial determination unit 33 specifies the moving distance when the safety belt 1 is off in the pipe P1 from the history information of the worker A, and specifies the corresponding past history from the beginner technology DB 17. Then, when the moving distance of the worker A is longer, the initial determination unit 33 can also determine that the worker A is in a high-risk working state. That is, when the moving distance of the worker A in the off state is long for a certain pipe, the initial determination unit 33 determines that the safety of the worker A is dangerous because there is a high possibility that the worker A is working in the off state. do.

In addition to these, the initial determination unit 33 can also make a graph of the past history and the like for determination. Specifically, the initial determination unit 33 extracts the past history of the beginner from the beginner technology DB 17, and reads the record in which the hook state is off from the past history of the beginner. Subsequently, the initial determination unit 33 plots the “movement distance (Δd), required time (Δt), altitude (altitude of GPS)” of each read record as a data pair (measurement point data) on the graph.

FIG. 8 is a diagram illustrating a safety determination example. As shown in FIG. 8, the initial determination unit 33 plots each measurement point data (black circle) extracted from the past history of the beginner. Similarly, the initial determination unit 33 extracts the history information of the worker A from the history information and reads out the record in which the hook state is off. Subsequently, the initial determination unit 33 plots the “movement distance (Δd), required time (Δt), altitude (GPS altitude)” of each read record on the graph as measurement point data (white circles).

Here, the initial determination unit 33 draws a reference curve based on the data of each measurement point of the beginner, and depending on whether the data of each measurement point of the worker A is inside or outside the reference curve, the worker A Determine stability. For example, when the measurement point data of the worker A is equal to or more than the threshold value inside the reference curve as in the white circle 8-1, the initial determination unit 33 has a short travel distance in the state where the safety belt 1 is off. , And it is judged that the time is short, and it is judged as a safe state. On the other hand, when the measurement point data of the worker A is equal to or more than the threshold value outside the reference curve as in the white circle 8-2, the initial determination unit 33 has a long travel distance in a state where the safety belt 1 is out of the range. , Or it is judged that the time is long, and it is judged as a dangerous state.

Further, the initial determination unit 33 can place more importance on the measurement point data having a high altitude. For example, when the measurement point data of the worker A whose altitude is less than the threshold value is large outside the reference curve, the initial determination unit 33 determines the danger of the worker as the caution level, and the measurement point whose altitude is equal to or higher than the threshold value. When there is a large amount of data, it is possible to determine the danger level of the worker as an immediate attention level and classify the danger level.

Further, the initial determination unit 33 can also perform the following processing on the measurement point data outside the reference curve. For example, the initial determination unit 33 compares in order from the measurement point data having the highest altitude. Further, when Δd is separated from the reference curve by a predetermined value or more, the initial determination unit 33 determines that it is more dangerous because the distance traveled in the state where the safety belt 1 is off is long. Further, when Δt is separated from the reference curve by a predetermined value or more, the initial determination unit 33 determines that it is dangerous at the time of a gust, although it may be during a break because the safety belt 1 is out of the state for a long time. judge.

The initial determination unit 33 outputs the determination result by each determination method described above to the warning unit 35. In addition, each determination method can be arbitrarily combined.

The standard determination unit 34 is a processing unit that determines the safety of the worker by comparing the history information of the worker with the past history or the model technique after the work at the work site has passed a predetermined number of days. That is, the standard determination unit 34 compares the past history of the corresponding work content of the worker stored in the past history DB 16 with the history information of the worker for the work after getting used to the work site, and the safety of the worker. Judge the sex. Similarly, the standard determination unit 34 compares the model technique of the corresponding work content stored in the model technique DB 18 with the history information of the worker for the work after getting used to the work site, and determines the safety of the worker. judge.

For example, the standard determination unit 34 can specify the current physical condition of the worker by comparing with the past history of the worker. More specifically, the standard determination unit 34 can suspect that the current worker is in poor physical condition when the worker's off time is longer than the past history, and quickly detects the dangerous state of the worker. can do.

For example, the standard determination unit 34 can determine the technical ability of the worker in addition to the safety of the worker by comparing with the model technique. More specifically, the standard determination unit 34 can determine that the worker's technical ability is high when the safety belt 1 is off for a short time and the work time is short as compared with the model technique. Further, the standard determination unit 34 can determine that the worker is a cautious worker when the work time is long, although the time when the safety belt 1 is off does not change as compared with the model technique. Further, the standard determination unit 34 can determine that the technical ability of the worker is low when the safety belt 1 is off for a long time and the work time is long as compared with the model technique.

Then, the standard determination unit 34 outputs the determination result of the safety of the operator and the like to the warning unit 35. Since the same method as that of the initial determination unit 33 can be used as the determination method, detailed description thereof will be omitted. Even if the work at the work site has not elapsed a predetermined number of days, the standard determination unit 34 can execute the determination.

The warning unit 35 is a processing unit that notifies a warning when a dangerous worker is detected. For example, when the initial determination unit 33 or the standard determination unit 34 notifies that the worker A is dangerous, the warning unit 35 includes the worker's smartphone 3 existing in a radius of 5 m of the worker A and the management terminal 7. Notifies that the worker A is dangerous. After that, if the safety of the worker A is not improved, the warning unit 35 is working on the smartphone 3 of the worker and the management terminal 7 existing in the radius of 10 m of the worker A, and the dangerous worker A in the vicinity. Notify that. In this way, the warning unit 35 gradually expands the transmission range and notifies the surroundings that the operator is dangerous.

Further, the warning unit 35 can also send a warning to the smartphone 3 of the worker A to the effect that he / she will work carefully when the safety belt 1 of the worker A is in the ON state. Although it is possible to send a warning when the safety belt 1 of the worker A is in the off state, it is preferable that the safety belt 1 is in the on state in order to reduce the risk at the time of warning. Further, the warning unit 35 can dynamically change the transmission range and the message content according to the danger level to notify the warning.

[Processing flow]
FIG. 9 is a flowchart showing the flow of processing. As shown in FIG. 9, when the determination unit 32 of the safety degree determination device 10 is less than or equal to a predetermined number of days from the start of work (S101: Yes), selects a beginner technique (S102), and exceeds the predetermined number of days from the start of work. (S101: No), select past history or model technique (S103).

Subsequently, the determination unit 32 generates measurement point data and a reference curve using the data selected in S102 or S103 (S104). Further, the determination unit 32 reads the history information of the worker collected by the collection unit 31 from the history information DB 15 (S105), and generates the measurement point data of the worker (S106).

After that, the determination unit 32 compares the data plots obtained by plotting the measurement point data (S107), and determines whether or not the measurement point data of the operator is inside the reference curve (S108).

Then, when the determination unit 32 determines that the measurement point data of the operator is inside the reference curve (S108: Yes), the determination unit 32 determines the state of the operator as a safe state (S109).

On the other hand, when the determination unit 32 determines that the measurement point data of the operator is not inside the reference curve (S108: No), the determination unit 32 determines the state of the operator as a dangerous state (S110). Then, the warning unit 35 sends a warning to the workers around the worker who is performing the dangerous work (S111).

[effect]
As described above, the safety degree determination device 10 can detect a worker with a high work risk by using a qualitative reference index without depending on the habit and skill of the worker. Further, since the safety degree determination device 10 can dynamically change the reference index to determine the safety, it is possible to execute the stability according to the working state and improve the determination accuracy. Further, the safety degree determination device 10 can specify the technical level of the worker, and can provide the management terminal 7 with information useful for the education of the worker and the like.

By the way, in the first embodiment, an example of determining the safety of an operator has been described, but the present invention is not limited to this, and it is possible to detect an operation different from the work schedule or an abnormal work. Therefore, in the second embodiment, a specific example in which a determination different from the safety is performed by using the history information of the worker will be described.

FIG. 10 is a diagram illustrating an example of setting a work plan by an administrator. As shown in FIG. 10, the safety level determination device 10 can display the pipe structure of the work site on a 3D (three-dimensional) map and accept the input of the work plan on the 3D map. In FIG. 10, it is shown that the safety degree determination device 10 has received a work plan in which two workers each perform wall painting for 3 hours using pipes P10 and P11. Further, the safety degree determination device 10 indicates that the two workers have accepted the work plan for mounting the outer wall for 5 hours each using the pipes P15, P16, and P17.

Then, the safety degree determination device 10 can compare the received work plan with the collected history information of the worker and review the work plan. FIG. 11 is a diagram illustrating identification of a work having a long working time. When the history information shown in FIG. 11 is collected, the safety degree determination device 10 uses the pipes P10 and P11 to change the No. No. 13 to No. The history information of 22 is specified, and it is detected that the working time during that period is 5 hours or more. After that, the safety degree determination device 10 determines that the work of the worker A is longer than the work plan because the work plan (wall coating) using the pipes P10 and P11 received in advance is 5 hours per person.

Then, the safety degree determination device 10 notifies the management terminal 7 and the like that the work using the pipes P10 and P11 took 5 hours or more. By doing so, the manager can review the work plan for wall painting. The safety level determination device 10 visually displays the difference between the work plan and the actual work by displaying the actual work time of the worker A and the worker B who performed the wall painting work on a pie chart or the like. You can notify the administrator.

FIG. 12 is a diagram illustrating identification of anomalous work. Here, an example in which the safety level determination device 10 collects the history information shown in FIG. 12 will be described. Here, an example of displaying all of the collected history information is illustrated, but the process described later is executed every time a record is stored.

Specifically, as shown in FIG. 12, the safety degree determination device 10 is No. When the history information of 12 is collected, it is specified that the required time is 60 minutes, which is equal to or more than the threshold value (for example, 1 minute), even though the hook state is off. In this case, the safety level determination device 10 determines that the work may be performed in a state where the safety belt 1 is not correctly attached, and sends a message such as "Did you forget to attach the safety belt 1?" , Send to the smartphone 3 of the corresponding worker or the smartphone 3 in the vicinity.

In addition, the safety degree determination device 10 is No. When the history information of 32 is collected, the required time is 60 minutes, which is the threshold value (for example, 1 minute) or more, and the movement distance is 100 m, which is the threshold value (for example, 15 m) or more, even though the hook state is off. To identify. In this case, the safety degree determination device 10 determines that there is a possibility that the user is not at the work site, and sends a message such as "Are you working at the work site?" To the smartphone 3 of the worker or the smartphone 3 in the vicinity. Send.

In addition, the safety degree determination device 10 is No. When the history information of 43 is collected, No. It is determined that the continuity with the history information of 42 is not correct. For example, the safety degree determination device 10 is No. 42 is the history information of the pipe P14, and No. Since 43 is the history information of the pipe P8, it is determined that the movement from P14 to P8, which cannot be directly moved, has occurred. In this case, the safety degree determination device 10 transmits a message such as "Are you moving by skipping the pipe?" To the smartphone 3 of the corresponding worker or the smartphone 3 in the vicinity.

In this way, the safety degree determination device 10 can also detect work that is different from the work schedule or work that is abnormal. Therefore, it can be useful for reviewing work plans and identifying workers with low safety awareness.

By the way, although the examples of the present invention have been described so far, the present invention may be carried out in various different forms other than the above-mentioned examples. Therefore, different embodiments will be described below.

[environment]
For example, the safety degree determination device 10 can determine safety after giving weight to the time required for the safety belt 1 to be off, the moving distance, and the like according to the work environment. For example, the safety level determination device 10 doubles the required time and travel distance for historical information in which the safety belt 1 is off and the altitude is above the threshold value on a windy day or a rainy day (graph). Can also be generated. In addition, on a windy day or a rainy day, it is possible to double the required time and travel distance for work (history information) on scaffolding made of slippery material to generate a data plot (graph). By doing so, the safety degree determination device 10 can make a determination with an emphasis on high-altitude work that requires special attention when the weather is bad.

In addition to the weather, it is also possible to accept and use the physical condition of the worker in advance. For example, when the patient is in poor physical condition, the required time and the travel distance are doubled to generate a data plot (graph) for the history information in which the safety belt 1 is off and the altitude is equal to or higher than the threshold value. The threshold value described in each embodiment can be arbitrarily changed.

[Year of experience]
Further, the safety degree determination device 10 can determine the safety by using different criteria (history information) for each number of years of experience of the worker. In this way, by dynamically changing the determination criteria according to the number of years of experience of the worker, it is possible to accurately determine the safety with the determination criteria according to the number of years of experience.

[pipe]
In the above embodiment, the scaffolding on which the worker walks and the pipe connecting the safety belt 1 can be clearly separated and managed. In that case, by configuring the data structure of the pipe structure DB 13 so as to specify the scaffolding by the pipe, it can be processed in the same manner as each of the above methods.

[system]
Information including processing procedures, control procedures, specific names, various data and parameters shown in the above documents and drawings can be arbitrarily changed unless otherwise specified.

Further, each component of each of the illustrated devices is a functional concept, and does not necessarily have to be physically configured as shown in the figure. That is, the specific form of distribution / integration of each device is not limited to the one shown in the figure. That is, all or a part thereof can be functionally or physically distributed / integrated in any unit according to various loads, usage conditions, and the like. Further, each processing function performed by each device may be realized by a CPU and a program analyzed and executed by the CPU, or may be realized as hardware by wired logic.

[Hardware configuration]
FIG. 13 is a diagram illustrating a hardware configuration example. As shown in FIG. 13, the safety degree determination device 10 includes a communication interface 10a, an HDD (Hard Disk Drive) 10b, a memory 10c, and a processor 10d.

The communication interface 10a is a network interface card or the like that controls communication of other devices. The HDD 10b is an example of a storage device for storing programs, data, and the like.

Examples of the memory 10c include RAM (Random Access Memory) such as SDRAM (Synchronous Dynamic Random Access Memory), ROM (Read Only Memory), flash memory and the like. Examples of the processor 10d include a CPU (Central Processing Unit), a DSP (Digital Signal Processor), an FPGA (Field Programmable Gate Array), a PLD (Programmable Logic Device), and the like.

Further, the safety degree determination device 10 operates as an information processing device that executes a service providing method by reading and executing a program. That is, the safety degree determination device 10 executes a program that executes the same functions as the collection unit 31, the determination unit 32, and the warning unit 35. As a result, the safety degree determination device 10 can execute a process of executing the same functions as the collection unit 31, the determination unit 32, and the warning unit 35. The program referred to in the other embodiment is not limited to being executed by the safety degree determination device 10. For example, the present invention can be similarly applied when other computers or servers execute programs, or when they execute programs in cooperation with each other.

10 Safety judgment device 11 Communication unit 12 Storage unit 13 Pipe structure DB
14 Worker DB
15 History information DB
16 Past history DB
17 Beginner Technology DB
18 Model technology DB
30 Control unit 31 Collection unit 32 Judgment unit 33 Initial judgment unit 34 Standard judgment unit 35 Warning unit

Claims (8)

On the computer
It has a transmission function to transmit mounting information indicating whether or not it is mounted on a support provided at the work site, and from the safety belt worn by the operator, the position information of the safety belt and the mounting in the position information. Acquire history information, which is the current work history of the worker , including information.
Among the history information, the length of time when the safety belt is not attached is specified.
Different from the current working history of the operator, past history information in the past of the work history of each worker previously acquired, previously acquired history information or past work novice previously acquired The safety level of the worker is determined based on the reference value generated from the past history information of the model engineer, which allows the state where the safety belt is not attached at the work site, and the length of time. A safety judgment program characterized by executing a process to be performed. As the reference value of each work content at the work site, the first measurement point data including the travel time, the required time, and the altitude while the safety belt is kept off is extracted, and each first measurement point data is used. Generate the reference curve used and
Each second measurement point data in each work content is extracted from the installation information of the worker, and
The safety degree determination program according to claim 1, wherein the computer is made to execute a process of determining the safety degree of the worker based on the positional relationship between the second measurement point data and the reference curve. From the start of work at the work site to the lapse of a predetermined number of days, the reference values calculated from the past history information of a plurality of the work beginners whose years of experience are equal to or less than the threshold are used to obtain the first measurement point data. The safety degree determination program according to claim 2, wherein the computer performs a process of extracting the data and generating the reference curve. After a predetermined number of days have passed from the start of work at the work site, the reference value calculated from the past history information of each worker is used to extract the first measurement point data, and the reference curve is drawn. The safety degree determination program according to claim 2, wherein the computer is generated and the process is executed. Wherein after the predetermined number of days have passed from the work start of work site, by using the reference value accidents caused is calculated from the past history information of each of the exemplar technician is below the threshold, the respective first measurement The safety degree determination program according to claim 2, wherein the computer performs a process of extracting point data and generating the reference curve. It is characterized by having the computer execute a process of notifying a communication device carried by another worker located in the vicinity of a worker determined to be dangerous that a dangerous worker is working in the vicinity. The safety degree determination program according to any one of claims 1 to 5. The computer
It has a transmission function to transmit mounting information indicating whether or not it is mounted on a support provided at the work site, and from the safety belt worn by the operator, the position information of the safety belt and the mounting in the position information. Acquire history information, which is the current work history of the worker , including information.
Among the history information, the length of time when the safety belt is not attached is specified.
Different from the current working history of the operator, past history information in the past of the work history of each worker previously acquired, previously acquired history information or past work novice previously acquired The safety level of the worker is determined based on the reference value generated from the past history information of the model engineer, which allows the state where the safety belt is not attached at the work site, and the length of time. A safety determination method characterized by executing a process to be performed. It has a transmission function to transmit mounting information indicating whether or not it is mounted on a support provided at the work site, and from the safety belt worn by the operator, the position information of the safety belt and the mounting in the position information. An acquisition unit that acquires history information, which is the current work history of the worker , including information.
Of the history information, a specific part that specifies the length of time when the safety belt is not attached, and
Different from the current working history of the operator, past history information in the past of the work history of each worker previously acquired, previously acquired history information or past work novice previously acquired The safety level of the worker is determined based on the reference value generated from the past history information of the model engineer, which allows the state where the safety belt is not attached at the work site, and the length of time. A safety degree determination device characterized by having a determination unit.

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