JP2011113538A - Ship information collection device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a ship information collection device that collects various pieces of ship information during ship navigation, and accurately transmits information useful for ship maintenance management, ship design, etc., out of a large amount of collected ship information, to a ground device. <P>SOLUTION: Ship information detected by a VDR 22 and ship information detected from various apparatuses such as a main apparatus 15, a power generator 16, and a boiler 17 which are connected to a ship information collection device 24 via an arc network 14 are stored in a ship information DB in a predetermined data format by the ship information collection device 24. The ship information collection device 24 periodically transmits the stored ship information to a ground device. When a transmission request is given from the ground device, the ship information collection device 24 retrieves ship information from the ship information DB in accordance with a condition included in the transmission request and transmits ship information meeting the condition to the ground device. Furthermore, the ship information collection device 24 stores ship information input through a PC 23 for inboard work by the crew of the ship, in the ship information DB. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a ship information collecting apparatus that collects information obtained during navigation of a ship and transmits the collected information to a device on land.

  Information obtained during navigation of the ship, for example, information related to ship navigation such as the navigation speed, navigation direction and navigation position of the ship, information related to the navigation environment of the ship such as wind direction, wind speed and weather around the ship, and Information relating to ship equipment such as engine output and fuel consumption is useful information for ship maintenance management, detection of abnormalities such as ship failures, ship navigation management, ship design, and the like. For this reason, conventionally, such ship information is collected while the ship is sailing, and when the ship is anchored at a port or the like, the collected ship information is recorded on a portable recording medium, etc. The collected ship information was used for ship maintenance management and design, etc. by means such as delivery.

  Moreover, in patent document 1, the personal computer installed in the ship transmits ship information to a ship information mediation apparatus via a communication satellite and a satellite base station, and the ship information received by the ship information mediation apparatus is sent to each ship. Specification that format information is not included in ship information transmitted from a ship by editing the format specified for each management company and sending the edited ship information to a personal computer installed at the management company. A ship information mediation system and a ship information mediation apparatus that can transmit ship information at low cost have been proposed.

  As in the ship information mediation system described in Patent Document 1, a computer installed in the ship is configured to wirelessly transmit to a land device via a communication satellite and a satellite base station, so that the ship is anchored at a port or the like. In comparison with the method of sending and receiving ship information on a recording medium or the like, the ship information can be fed back earlier. However, since wireless communication using a communication satellite or the like has a problem that the communication cost is high, the ship information mediation system described in Patent Document 1 suppresses the communication cost by reducing the amount of information transmitted and received.

JP 2001-283145 A

  However, in recent years, with the advancement of communication technology, communication between ship communication devices and land communication devices via communication satellites and the like has been speeded up, and a large amount of data can be transmitted and received in a short time. As a result, the above-described problems related to communication costs have been solved.

  Further, when a ship navigates for a long period of time, the amount of ship information collected during the navigation is enormous. Even if it becomes possible to transmit a large amount of ship information from a ship communication device to a land communication device with the advancement of communication technology, information useful for ship maintenance management and design etc. from a vast amount of ship information It is not easy to get.

  The present invention has been made in view of such circumstances, and an object of the present invention is to collect various ship information as the ship navigates and to exchange ship information with a land-based communication device. Another object of the present invention is to provide a ship information collecting apparatus capable of accurately exchanging useful information for maintenance management and design of a ship from a huge amount of collected ship information.

  A ship information collecting apparatus according to the present invention is mounted on a ship, and detects ship information detecting means for detecting information related to navigation of the ship or information relating to facilities in the ship, and information detected by the ship information detecting means. Information storage means for converting and storing the data in a predetermined data format, wireless communication means for transmitting and receiving information between devices installed on land, and information stored in the information storage means by the wireless communication means From the periodic transmission means for periodically transmitting to the land device, the request reception means for receiving the information transmission request from the land device by the wireless communication means, and the information accumulated by the information storage means, the request reception means Information search means for searching for information according to the transmission conditions included in the received information transmission request, and a response transmitter for transmitting the information searched by the information search means to a land device by the wireless communication means Characterized in that it comprises and.

  The ship information collecting apparatus according to the present invention includes an information receiving unit that receives an input of information, an instruction receiving unit that receives an information transmission instruction, and the information receiving unit when the instruction receiving unit receives an information transmission instruction. An instruction transmission unit configured to transmit the information stored in the storage unit to a land device by the wireless communication unit; and the information storage unit converts the information received by the information reception unit into a predetermined data format. It is characterized by being accumulated.

  The ship information collection device according to the present invention is a data including information related to date and time as search information by the information search unit when the information storage unit converts the stored information into a predetermined data format. It is characterized by being converted to a format.

  In the ship information collecting apparatus according to the present invention, the information related to the date and time is a date and time based on UTC (Coordinated Universal Time).

  Further, in the ship information collecting apparatus according to the present invention, the information detected by the ship information detecting means includes information related to vibration of equipment in the ship, information related to sound emitted from the equipment in the ship, or the It includes information on the inclination of the ship.

  Further, the ship information collecting apparatus according to the present invention comprises an abnormality detection means for detecting an abnormality of the ship according to the information detected by the ship information detection means, and the information storage means comprises the ship information detection means. The detected information is periodically accumulated, and the information detected by the ship information detecting means is accumulated when the abnormality detecting means detects an abnormality.

  The ship information collecting apparatus according to the present invention further comprises storage means for storing information detected by the ship information detection means from a current time until a predetermined time before, and the information storage means stores the information at a predetermined storage timing. It is characterized in that information is read from the means and stored.

In the present invention, information relating to the navigation of the ship such as the navigation speed, navigation direction, wind direction and wind speed of the ship, and information relating to the ship equipment such as the engine output and fuel consumption of the ship are detected. (Hereinafter simply referred to as ship information) is converted into a predetermined data format and stored. Thereby, the ship information database can be provided in the ship. The ship information collecting device is provided with means for transmitting / receiving data to / from a land device by wireless communication through a communication satellite or the like, and periodically transmits the ship information stored in the database to the land device.
In addition, the ship information collecting apparatus of the present invention can receive and accept the accumulated ship information transmission request from a land apparatus by wireless communication. The transmission request can include a condition of the ship information to be transmitted, and the ship information collecting apparatus obtains desired ship information from a lot of ship information stored in the database according to the transmission condition included in the received transmission request. It searches and extracts, and this ship information is transmitted to a device on land by wireless communication. Thereby, a manager or a designer of a ship can acquire only necessary ship information from the ship information collecting apparatus when necessary using a land device.

Further, in the present invention, information input by a sailor of a ship is received, such as a packing calculation or a logbook, and the received ship information is converted into a predetermined data format and stored. As described above, the vessel information collecting device accumulates more information in a unified manner, so that the vessel information can be managed and transmitted to the onshore device efficiently.
In addition, by receiving a transmission instruction input by the sailor and transmitting the accumulated ship information in response to the transmission instruction, the ship information that the sailor has determined to be useful can be transmitted to a device on land.

  Further, in the present invention, the ship information is converted into a data format including information relating to the accumulated date and time as search information so that the ship information can be searched by specifying the date and time conditions. And store it in the database. Thereby, the date and time can be designated from the onshore device and a ship information transmission request can be given to the ship information collecting device, and only the ship information of the desired date and time can be acquired. In addition, since navigation of a ship may be performed over a wide range, it is preferable to use the date and time based on UTC.

Further, in the present invention, vibration or sound generated by equipment such as a ship engine or information relating to the inclination of the ship hull is detected and stored in the database as ship information. The vibration can be detected using, for example, a vibrometer, the sound can be detected using, for example, a microphone, and the inclination of the hull can be detected using, for example, an inclinometer.
For example, it is possible to determine whether or not an abnormality has occurred in the engine by detecting vibration or sound generated by the ship's engine, and these information can be used for engine maintenance management. Further, for example, by detecting the inclination of the hull, the performance of the ship can be evaluated by examining the inclination of the hull together with other information such as wind direction and wave height. Moreover, it can also be judged whether abnormality has generate | occur | produced in the ship based on these ship information.

Moreover, in this invention, abnormality of a ship is detected according to the detected ship information. For example, when the vibration or sound generated by the engine of the ship exceeds a threshold value, or when the inclination of the ship exceeds the threshold value, an abnormality of the ship can be detected.
The ship information storage device periodically stores ship information at a predetermined cycle (for example, every 10 minutes or every hour), and stores ship information when a ship abnormality is detected. Thereby, ship information before and after when an abnormality occurs in the ship can be accumulated, which can be used for investigation of the cause of the occurrence of the abnormality.

Further, in the present invention, ship information is detected at a predetermined period (however, a period shorter than the ship information accumulation period), and the detected ship information is temporarily stored in a storage means such as a memory. The storage means stores the detected ship information while overwriting it, and stores the ship information from the time of the latest detection (current time) to a predetermined time before. When the timing for accumulating the detected ship information is reached, such as when the ship information is periodically accumulated or when an abnormality occurs, the ship information for a predetermined time stored in the storage means is read and accumulated.
Thereby, accumulation | storage of ship information can be performed for every predetermined time. Further, when an abnormality occurs, the ship information from the occurrence of the abnormality to a predetermined time before can be accumulated, so that the cause of the abnormality can be investigated more reliably.

  In the case of the present invention, the ship information collecting device accumulates the detected ship information as a database, and the ship information collecting device searches for and transmits the necessary ship information in response to a transmission request from an onshore device. By doing so, an onshore ship manager or ship designer can reliably acquire necessary information. In addition, since the ship information collecting device can also transmit ship information periodically and ship information according to the instructions of the crew, the on-shore device can be used by any method suitable for the purpose of using the ship information. Ship information from the ship can be received. Therefore, since ship information can be efficiently transmitted and received between the ship information collecting device and the onshore device, and necessary information can be obtained from the collected huge amount of ship information by the onshore device. It is possible to more efficiently perform ship maintenance management, operation management, ship design, and the like using information.

It is a schematic diagram for demonstrating communication with a ship and an onshore apparatus. It is a block diagram which shows the structure of the ship information collection system mounted in the ship. It is a block diagram which shows the structure of a ship information collection device. It is a schematic diagram for demonstrating the collection process of the ship information via the arc net by a ship information collection apparatus. It is a flowchart which shows the procedure of the collection process of the ship information via the arc net which a ship information collection apparatus performs. It is a schematic diagram which shows one structural example of the ship information accumulate | stored in ship information DB. It is a schematic diagram which shows one structural example of the ship information accumulate | stored in ship information DB. It is a schematic diagram which shows one structural example of the ship information accumulate | stored in ship information DB. It is a schematic diagram which shows one structural example of the ship information accumulate | stored in ship information DB. It is a schematic diagram which shows one structural example of the ship information accumulate | stored in ship information DB. It is a flowchart which shows the procedure of the collection process of ship information via shipboard LAN which a ship information collection device performs. It is a flowchart which shows the procedure of the periodic transmission process of the ship information by a ship information collection apparatus. It is a flowchart which shows the procedure of the ship information transmission process by a ship information collection apparatus. It is a flowchart which shows the procedure of the transmission process at the time of abnormality of the ship information by a ship information collection apparatus. It is a flowchart which shows the procedure of the instruction | indication transmission process of the ship information by a ship information collection apparatus. It is a flowchart which shows the procedure of the response transmission process of the ship information by a ship information collection apparatus.

  Hereinafter, the present invention will be specifically described with reference to the drawings showing embodiments thereof. FIG. 1 is a schematic diagram for explaining communication between a ship and a land device. In the figure, reference numeral 1 denotes a ship, which carries the cargo by navigating the ocean. The ship 1 includes information related to ship navigation such as navigation speed, navigation direction and navigation position, information related to the navigation environment such as wind direction, wind speed and weather around the ship 1, and engine output and fuel consumption of the ship 1. A ship information collection system 2 (illustrated in FIG. 2) that detects and collects information related to ship facilities is mounted.

  The ship information collecting system 2 mounted on the ship 1 has a function of performing wireless communication using the communication satellite 7, and is installed in the server device 40 installed in the land service providing company 4 and the shipbuilding company 5a. Data can be transmitted and received by wireless communication with a PC (Personal Computer) 50 or a PC 50 installed in the ship management company 5b. The communication satellite 7 is a communication satellite for FBB (Fleet Broad-Band), for example, and relays radio signals between the ship information collection system 2 mounted on the ship 1 and the ground station 6 provided on land. It can be performed. The ground station 6 is connected to the server device 40 installed in the service providing company 4, the PC 50 installed in the shipbuilding company 5a, the PC 50 installed in the ship management company 5b, etc. via the Internet network 9 and the telephone network 8 and the like. Can transmit and receive data. Therefore, the ship information collection system 2 mounted on the ship 1 can communicate with the server device 40 and the PC 50 via the communication satellite 7 and the ground station 6.

  The server device 40 of the service provider 4, the PC 50 of the shipbuilding company 5 a, and the PC 50 of the ship management company 5 b can communicate with the ground station 8 using either the Internet network 9 or the telephone network 8. Which communication network is used for communication may be appropriately selected in consideration of the communication speed, the amount of data to be transmitted and received, and the like. For example, when receiving a large amount of data from the ship information collecting system 2 of the ship 1, the Internet network 9 is used, and when transmitting a small amount of data to the ship information collecting system 2, the telephone line network 8 is used. Or the like. The server device 40 and the PC 50 may be configured to perform communication using only one of the Internet network 9 and the telephone line network 8.

  FIG. 2 is a block diagram showing a configuration of the ship information collection system 2 mounted on the ship 1. In the present embodiment, the ship information collection system 2 includes a plurality of devices such as a wireless communication device 21, a VDR (Voyage Data Recorder) 22, an inboard work PC 23, and a ship information collection device 24. These devices are connected via an inboard LAN (Local Area Network) 10 disposed in the ship 1 and can transmit and receive data to and from each other. In addition, other devices such as a mail transmission / reception PC 11 and a PLC (Power Line Communication) modem 12 are connected to the inboard LAN 10, and each device of the ship information collection system 2 exchanges data with these other devices. Can also be sent and received.

  The wireless communication device 21 of the ship information collection system 2 is a device for transmitting and receiving wireless signals to and from the communication satellite 7. As a result, the ship information collection system 2 allows the server device 40 of the land service provider 4 via the communication satellite 7, the ground station 6, the Internet network 9, and the telephone line network 8 even when the ship 1 is navigating. Data can be transmitted and received by wireless communication between the PC 50 of the shipbuilding company 5a and the PC 50 of the ship management company 5b. The wireless communication device 21 converts the transmission data given from the ship information collecting device 24 or the mail transmission / reception PC 11 into a wireless signal and transmits it to the communication satellite 7, and digitally receives the wireless signal received from the communication satellite 7. The data is converted into data and given to the ship information collecting device 24 or the mail transmission / reception PC 11 as appropriate.

  The VDR 22 of the ship information collection system 2 is an apparatus that is mounted on a ship for the purpose of investigating the cause of a maritime accident, and is an apparatus that detects and records information related to navigation of the ship. The ship information detected by the VDR 22 is information such as the navigation speed, navigation position, rudder angle, wind direction, wind speed, and water depth of the ship 1, and the VDR 22 has various sensors in order to detect these ship information. . Further, the ship information recorded by the VDR 22 includes other information such as date and time, heading, sound within the bridge, communication sound, radar image, alarm, steering information, engine information, door open / close state, and door abnormality. May be. The VDR 22 has a data recording unit that records the detected ship information. When a marine accident occurs, the VDR 22 collects the data recording unit and analyzes the recorded information to investigate the cause of the marine accident. It can be performed. The VDR 22 is connected to the inboard LAN 10 and transmits various types of detected ship information to the ship information collecting device 24 via the inboard LAN 10.

  The inboard work PC 23 of the ship information collecting system 2 is used when a crew member of the ship 1 performs onboard work such as loading calculation or logbook recording. The inboard work PC 23 has a configuration in which software for inboard work is installed in a general-purpose computer, and can transmit and receive data via the inboard LAN 10. The result of the inboard work performed by the crew on the inboard work PC 23 is recorded on the hard disk in the inboard work PC 23 and transmitted to the ship information collecting device 24 via the inboard LAN 10.

  The ship information collecting device 24 of the ship information collecting system 2 is a server device having a large-capacity hard disk or a large-capacity memory disk, and collects ship information related to the ship 1 and records it as a database. The ship information collecting device 24 can perform data transmission / reception via the inboard LAN 10, and various ship information detected by the VDR 22, ship information (result of inboard work) input by the sailor on the inboard work PC 23, etc. Given via the LAN 10, these ship information is recorded in a database. Further, the ship information collecting device 24 can transmit and receive data to and from ship equipment such as the main engine 15, the generator 16, and the boiler 17 of the ship 1 via the arc net 14 which is a network different from the shipboard LAN 10. The information given from these onboard facilities is recorded in the database as ship information. Further, the ship information collecting device 24 wirelessly communicates the ship information collected and recorded to the server device 40 of the onshore service providing company 4, the PC 50 of the shipbuilding company 5a, the PC 50 of the ship management company 5b, or the like. Can be sent using the function. Details of the processing performed by these ship information collection devices 24 will be described later.

  The mail transmission / reception PC 11 is mainly used by crew members of the ship 1 to transmit / receive electronic mails to / from the server device 40 of the onshore service providing company 4, the PC 50 of the shipbuilding company 5a, the PC 50 of the ship management company 5b, and the like. It is a general-purpose computer. The mail transmission / reception PC 11 can also communicate with the inboard work PC 23 installed in the ship 1 or other PCs via the inboard LAN 10. Furthermore, when the PC 11 for mail transmission / reception receives an urgent instruction transmitted from the server device 40 of the land service provider 4, the PC 50 of the shipbuilding company 5 a or the PC 50 of the ship management company 5 b, the received instruction is received. The mail transmission / reception PC 11 can display the notification message on a liquid crystal display or the like, and can output the voice message from the speaker.

  The PLC modem 12 is connected to inboard equipment such as a refrigerated container 12a, a navigation light 12b, and a pump 12c mounted on the ship 1 through the power line 13, and performs transmission and reception of electric signals superimposed on the power line 13. Data transmission / reception by power line communication can be performed with these onboard facilities. The PLC modem 12 is connected to the inboard LAN 10 and relays communication through the inboard LAN 10 and power line communication through the power line 13.

  For example, the inboard work PC 23 can communicate with the inboard equipment such as the refrigerated container 12a, the navigation light 12b, and the pump 12c via the PLC modem 12. Thereby, the crew of the ship 1 can perform operation control of these inboard equipment using the inboard work PC 23. The inboard work PC 23 can send an operation instruction to these onboard facilities to perform a desired operation, and receives and monitors information (such as operation status of the onboard facilities) transmitted from these onboard facilities. And can be recorded. Information from the inboard equipment received by the inboard work PC 23 via the PLC modem 12 is given to the ship information collecting device 24 and recorded in the database. It should be noted that the operation control and monitoring of the inboard equipment such as the refrigerated container 12a, the navigation light 12b, and the pump 12c may be performed by a dedicated terminal for controlling the inboard equipment, instead of using the inboard work PC 23. Good.

  FIG. 3 is a block diagram showing the configuration of the ship information collection device 24. The ship information collection device 24 includes a control unit 31, a display unit 32, an operation unit 33, a memory 34, a ship information DB (database) 35, an inboard LAN communication unit 36, an arc net communication unit 37, an FBB communication processing unit 38, and the like. Configured. The control unit 31 is specifically an arithmetic processing device such as a CPU (Central Processing Unit) or an MPU (Micro Processing Unit), and controls the operation of the ship information collecting device 24 by executing a program prepared in advance. To do.

  The display unit 32 and the operation unit 33 constitute a user interface between the ship information collection device 24 and a sailor who uses the ship information collection device 24. The display unit 32 is, for example, a liquid crystal display, and can display the vessel information collected by the vessel information collection device 24. The operation unit 33 is an input device such as a mouse and a keyboard, and a sailor can give various operation instructions to the ship information collecting device 24. However, the ship information collecting device 24 does not have to include a user interface such as the display unit 32 and the operation unit 33. In this case, for example, the ship crew member can use the inboard work PC 23 to remotely control the ship through the inboard LAN 10. The operation of the information collecting device 24 can be controlled.

  The memory 34 is composed of a large-capacity memory device capable of rewriting data, such as SRAM (Static Random Access Memory) or DRAM (Dynamic Random Access Memory), and is temporarily stored in the calculation process of the control unit 31. It can be used for data storage, temporary storage of data transmitted / received via the inboard LAN 10 or the arc net 14, and the like.

  The ship information DB 35 is obtained by recording and storing ship information in a large-capacity hard disk or a large-capacity memory disk. Ship information stored in the ship information DB 35 includes ship information from the VDR 22 given through the inboard LAN 10, ship information from the inboard work PC 23, etc., and ships from various inboard equipment given through the arc net 14. Information. The ship information collection device 24 collects these ship information and stores them in the ship information DB 35, and also uses the wireless communication device 21 to store the ship information stored in the ship information DB 35 on the server device 40 of the land service providing company 4. The FBB communication processing unit 38 performs processing for transmission to the PC 50 of the shipbuilding company 5a or the PC 50 of the ship management company 5b.

  The inboard LAN communication unit 36 reads transmission data from the memory 34 under the control of the control unit 31, transmits the transmission data to other devices via the inboard LAN 10, and receives received data received from other devices. By storing in the memory 34 and notifying the control unit 31, communication processing with other devices via the inboard LAN 10 is performed. The ship information collecting device 24 can receive the ship information from the VDR 22 and the inboard work PC 23 by the inboard LAN communication unit 36 and store it in the ship information DB 35, and store the stored ship information in the FBB communication processing unit 38. By converting the data into data for wireless communication and transmitting the data to the wireless communication device 21 by the inboard LAN communication unit 36, the ship information can be transmitted to the on-shore device.

  The arc net communication unit 37 includes onboard equipment such as the main machine 15, vibrometer 15 a, microphone 15 b, generator 16, boiler 17, inclinometer 18, electric motor 19, vibrometer 19 a, and microphone 19 b connected via the arc net 14. The processing related to data transmission / reception between and is performed. The arc net 14 is a network that employs a token passing communication protocol, and is a network that emphasizes real-time characteristics. The arc net communication unit 37 receives various types of information periodically transmitted from the inboard equipment and temporarily stores them in the memory 34. The ship information collection device 24 includes the arc net communication unit 37 in the memory 34. The stored information is accumulated in the ship information DB 35 at a predetermined timing.

  In the illustrated example, a vibration meter 15 a and a microphone 15 b are provided on the main engine 15 of the ship 1, and the vibration of the main engine 15 is detected by the vibration meter 15 a and transmitted to the ship information collecting device 24 via the arc net 14. The microphone 15b collects the sound emitted from the main engine 15 and transmits it to the ship information collecting device 24. Further, an inclinometer 18 is installed at an appropriate place of the ship 1, and the inclination of the hull of the ship 1 is detected and transmitted to the ship information collecting device 24 via the arc net 14. The motor 19 of the ship 1 is also provided with a vibration meter 19a and a microphone 19b. The vibration meter 19a and the microphone 19b detect vibration and sound of the motor 19 and transmit them to the ship information collecting device 24 via the arc net 14. To do. The ship information collecting device 24 receives these pieces of information at the arc net communication unit 37 and stores them in the memory 34, and then accumulates them as ship information in the ship information DB 35.

  The FBB communication processing unit 38 performs processing related to wireless communication (satellite communication) using the wireless communication device 21, the communication satellite 7, and the like, and transmits ship information from the ship information collection device 24 to a land device. In addition, processing such as converting ship information into a data format corresponding to the protocol of satellite communication is performed. Further, the FBB communication processing unit 38 receives data from the wireless communication device 21 when the data from the on-shore device to the ship information collecting device 24 is received by the wireless communication device 21, and sends the received data to the ship. A process of converting to a data format suitable for the process in the information collecting device 24 is performed.

  FIG. 4 is a schematic diagram for explaining a vessel information collection process via the arc net 14 by the vessel information collection device 24. In this example, the case where the vibration of the main engine 15 detected by the vibrometer 15a is stored as ship information will be described. The vibrometer 15a detects the vibration of the main engine 15 at a constant cycle, and transmits the detected value to the ship information collecting device 24 via the arc net 14. The arc net communication unit 37 of the ship information collecting device 24 stores the received detection value of the vibrometer 15 a in the memory 34. However, the upper limit of the data amount that can be stored in the memory 34 with respect to the detection value of the vibrometer 15a is determined in advance for the data amount for time T. For this reason, when the detected value of the vibrometer 15a is stored in the memory 34, if the amount of data already stored has reached the upper limit value, the oldest data is deleted from the memory 34, and then a new detected value is obtained. Stored in the memory 34. That is, when the detection value of the vibrometer 15a is stored in the memory 34 at the time t0, the detection value from the time t0 to the time T before (time t0-T) is stored in the memory 34, and the previous detection values are deleted. Is done. The time T that defines the upper limit value of the amount of data stored in the memory 34 can be set to, for example, several minutes to several tens of minutes.

  Thereafter, the ship information collecting device 24 accumulates the detection values of the vibration meter 15a for the time T stored in the memory 34 in the ship information DB 35 at a predetermined cycle (for example, 1 hour). Further, the ship information collecting device 24 determines that an abnormality has occurred when the detection value of the vibrometer 15a exceeds a predetermined threshold, and the detection value of the vibrometer 15a stored in the memory 34 (and other ships). Information) is stored in the ship information DB 35. Although explanation is omitted, sound data collected by the microphone 15b, a detected value of the inclination of the hull detected by the inclinometer 18, a detected value of vibration of the electric motor 19 detected by the vibrometer 19a, and a sound collected by the microphone 19b. The sound data of the motor 19 is stored in the memory 34 and stored in the ship information DB 35 in the same manner.

  FIG. 5 is a flowchart showing a procedure of ship information collection processing via the arc net 14 performed by the ship information collection device 24. The ship information collection device 24 first receives the detected value of the vibration of the main engine 15 periodically transmitted from the vibration meter 15a by the arc net communication unit 37 (step S1). Next, the ship information collecting device 24 determines whether or not the storage amount of the detection value stored in the memory 34 has reached the upper limit of the storage amount that can be stored in the memory 34 with respect to the vibration detection value (step S2). ) If the storage amount has reached the upper limit (S2: YES), the oldest data stored in the memory 34 is deleted (step S3), and the detected value received in step S1 is stored in the memory 34 (step S3). Step S4). If the storage amount has not reached the upper limit (S2: NO), the ship information collection device 24 stores the detection value received in step S1 in the memory 34 without deleting the data in the memory 34 (step S1). S4).

  Further, the ship information collecting device 24 determines whether or not the detection value received in step S1 exceeds a predetermined threshold (step S5), and if the detection value does not exceed the threshold (S5: NO), It is determined whether or not the accumulated timing of the detected value in the ship information DB 35 has been reached (step S6). When the detected value exceeds the threshold value (S5: YES), or when the accumulation timing in the ship information DB 35 is reached (S6: YES), the ship information collecting device 24 detects for the time T stored in the memory 34. The value is converted into a data format predetermined as a database (step S7), the detection value after the data format is converted is stored in the ship information DB 35 (step S8), and the process proceeds to step S9. When the detected value does not exceed the threshold value (S5: NO) and the accumulation timing has not been reached (S6: NO), the ship information collecting device 24 performs the step without accumulating the detected value in the ship information DB 35. The process proceeds to S9.

  Next, the ship information collecting device 24 determines whether or not the detection of vibration by the vibrometer 15a is ended due to a factor such as the ship 1 anchored at the port and the main engine 15 stopped (step S9). If not completed (S9: NO), the process returns to step S1, and the above process is repeated to detect vibration and accumulate the detected value. When the detection by the vibrometer 15a is finished (S9: YES), the ship information collection device 24 finishes the process.

  When the ship information collection device 24 accumulates the detection values stored in the memory 34 in the ship information DB 35, the ship information collection device 24 performs accumulation after converting the detection values into a predetermined data format (step of the flowchart shown in FIG. 5). (See S7). This makes it possible to efficiently search for ship information stored in the ship information DB 35, and the ship information collecting device 24 can efficiently search for and transmit necessary ship information.

  6 and 7 are schematic diagrams showing an example of the configuration of ship information stored in the ship information DB 35, and show a data format in the case of storing ship information collected via the arc net 14. FIG. The detected values (measured values in FIGS. 6 and 7) stored in the memory 34 are converted into measured value information shown in FIG. 6A and accumulated in the ship information DB 35. The measurement value information includes an identifier (SN-ID) attached to the ship 1, a UTC time (DayTime-Z) at which the measurement value is measured, measurement points (vibration meter 15a, microphone 15b, inclinometer 18, etc.). It consists of items such as sequence number (SeqNum), alarm status (alm-status), tag status (tag-status), data status (data-status), and measured value (mesur-value). The data read from the memory 34 is added with other information as a measurement value (mesur-value).

  In addition to the above measurement value information, the ship information DB 35 stores information related to the data type of each measurement value as measurement record information shown in FIG. 6B, and information related to each measurement point is shown in FIG. It is accumulated as measured point information. The measurement record information includes items such as an identifier (SN-ID) attached to the ship 1, a sequence number (SeqNum) attached to the measurement point, and a data type (DataType) related to the measurement point. The measurement point information includes an identifier (SN-ID) attached to the ship 1, a header (hdr) indicating the device name of the measurement point, an engine ID status (EngIDStatus_A, EngIDStatus_B), a channel identifier (ch_num), and a measurement point name. (TagName), sequence number (SeqNum) assigned to the measurement point, detailed name of the measurement point (TagDesc), maximum value (D_H), minimum value (D_L), slope (D_IM), and threshold for abnormality determination It consists of items such as data alarm values (L_L, L_H, L_LL, L_HH), data units (Unit), normal data values (GM_L, GM_H), and the like.

  Similarly, the ship information collecting device 24 converts the ship information given from the VDR 22 into the ship information DB 35 after converting the ship information into a predetermined data format (however, the conversion of the data format is the ship information). The collecting device 24 may do it, or the VDR 22 may do it). 8 and 9 are schematic diagrams showing an example of the configuration of ship information stored in the ship information DB 35, and show a data format in the case where ship information given from the VDR 22 is stored. Ship information given from the VDR 22 to the ship information collection device 24 includes, for example, UTC time information (see FIG. 8A), ship position information (see FIG. 8B), ship speed information (see FIG. 9C). ), Ship orientation information (see FIG. 9D), wind information (see FIG. 9E), and the like.

  The UTC time information is, for example, time information based on GPS (Global Positioning System) reception information (ZDA sentence). The ship information collection system 2 uses this UTC time information to determine the detection time and storage time of ship information. decide. The UTC time information includes an identifier (SN-ID) attached to the ship 1, UTC time including the date and time (DayTime-Z), time by ZDA sentence (Z-Utc), date by ZDA sentence (Z- Day), month by ZDA sentence (Z-Month), year by ZDA sentence (Z-Year), and difference between local time and UTC time (Z-Lzone-Hurs, Z-Lzone-Min) Has been.

  The ship position information is information related to the navigation position of the ship 1 calculated by the GPS function. Ship position information includes the identifier (SN-ID) attached to the ship 1, the UTC time (DayTime-Z) at which the ship position is measured, the UTC (Utc) of the ship position, the latitude (Lat), the north latitude or the south latitude (LatDir) , Longitude (Long), west longitude or east longitude (LongDiron), GPS satellite use mode (MI), horizontal accuracy degradation rate (Hdop), GPS antenna altitude (AntAlude) and geoid difference (GeoSep) etc. Yes.

  The ship speed information is information relating to the relative navigation speed (water speed) of the ship 1 with respect to the flow of seawater or the like. The ship speed information includes the identifier (SN-ID) attached to the ship 1, the UTC time (DayTime-Z) at which the ship's navigation speed was measured, the navigation speed (LongWS) in the longitudinal direction of the ship 1, and the side of the ship 1. It consists of items such as navigation speed for the direction (TransWS), water speed data status (WS-Status), navigation speed for the land in the longitudinal direction (LongGrndSpd), and navigation speed for the land in the lateral direction (TransGrndSpd).

  Ship direction information is information relating to the direction in which the ship 1 navigates. The ship orientation information is composed of items such as an identifier (SN-ID) attached to the ship 1, a UTC time (DayTime-Z) in which the ship orientation is measured, and a true heading (Heading) that is a navigation direction of the ship. Yes. The wind information is information related to the wind around the ship 1. Wind information includes items such as the identifier (SN-ID) attached to the ship 1, the UTC time (DayTime-Z), wind direction (WindAng), wind speed (WindSp), and wind speed unit (WindSp-Un). It consists of

  Similarly, the ship information collecting device 24 also converts the ship information given from the inboard work PC 23 into the ship information DB 35 after converting the ship information into a predetermined data format (however, the conversion of the data format). May be performed by the ship information collecting device 24 or by the inboard work PC 23). FIG. 10 is a schematic diagram showing a configuration example of ship information stored in the ship information DB 35, and shows a data format in the case of storing ship information given from the inboard work PC 23. The ship information given from the inboard work PC 23 to the ship information collecting device 24 includes, for example, voyage information as shown in FIG.

  The voyage information is information related to the voyage of the ship 1 and is information input by the sailor using the inboard work PC 23. In the navigation information, the identifier (SN-ID) attached to the ship 1 is not input by the crew, but the identifier (A-ID) automatically attached to the navigation information by the inboard work PC 23 is input by the crew. Cruise number (V-Num), provisional departure date (DraftDep), departure date (DepTime), arrival date (ArrTime), passage start time (SOP), passage end time (EOP), departure port (DepPort) and arrival port ( ArrPort) etc.

  The VDR 22 periodically detects and accumulates various ship information such as navigation speed and wind speed of the ship 1 using various sensors, and collects the ship information periodically via the inboard LAN 10. To the device 24. Further, the inboard work PC 23 transmits ship information to the ship information collecting device 24 via the inboard LAN 10 when the input of the ship information is confirmed when the inboard work is performed by the crew. When the ship information collection device 24 receives the ship information transmitted from the VDR 22 or the ship work PC 23 by the ship LAN communication unit 36, the ship information collection device 24 performs a process of storing the received ship information in the ship information DB 35.

  FIG. 11 is a flowchart showing a procedure of ship information collection processing performed by the ship information collection device 24 via the inboard LAN 10. First, the ship information collecting device 24 determines whether or not the shipboard LAN communication unit 36 has received data related to ship information from the VDR 22 or the shipboard work PC 23 (step S21). (S21: NO), it waits until data is received. When the data is received (S21: YES), the ship information collection device 24 performs the data reception process by the inboard LAN communication unit 36 (step S22), and the received ship information is as shown in FIGS. The data is converted into a predetermined data format (step S23), the converted ship information is stored in the ship information DB 35 (step S24), and the process is terminated.

As described above, the ship information collecting device 24 detects or inputs various kinds of ship information using the VDR 22, the inboard work PC 23, and the ship information collecting device 24, and converts the ship information into a predetermined data format. Processing to accumulate in the information DB 35 is performed. The ship information collecting device 24 transmits ship information accumulated in the ship information DB 35 to the land at the following four timings.
(1) Transmission of ship information on a regular basis (2) Transmission of ship information when an abnormality occurs (3) Transmission of ship information based on instructions from crew members (4) Transmission of ship information based on requests from land

  The ship information collecting device 24 transmits ship information designated in advance to a predetermined destination (for example, the server device 40 of the service providing company 4) at a preset time (for example, every day at midnight). It has a periodic transmission function. FIG. 12 is a flowchart showing the procedure of the ship information periodic transmission process by the ship information collecting device 24. The ship information collection device 24 determines whether or not a preset transmission time has been reached (step S31). If the transmission time has not been reached (S31: NO), the ship information collection device 24 stands by until the transmission time is reached. When the ship information transmission time is reached (S31: YES), the ship information collection device 24 reads the ship information specified in advance from the ship information DB 35 (step S32), and the read ship information to the FBB communication processing unit 38. The ship information transmission process is performed (step S33), and the process ends.

  FIG. 13 is a flowchart showing a procedure of ship information transmission processing by the ship information collecting device 24, and is a process performed in step S33 of the flowchart shown in FIG. First, the FBB communication processing unit 38 of the ship information collecting device 24 packetizes the given ship information according to the protocol of the satellite communication (step S41). Next, the FBB communication processing unit 38 of the ship information collecting device 24 performs processing for attempting communication connection with the ground station 6 via the communication satellite 7 in the wireless communication device 21 (step S42), and connection with the ground station 6 is performed. It is determined whether or not successful (step S43). When the connection with the ground station 6 fails (S43: NO), the FBB communication processing unit 38 of the ship information collecting device 24 returns the process to step S42 and performs the connection process again.

  When the connection with the ground station 6 is successful (S43: YES), the FBB communication processing unit 38 of the ship information collecting device 24 gives the ship information packetized in step S41 to the wireless communication device 21, and the communication satellite 7 and It transmits to a predetermined transmission destination via the ground station 6 (step S44). Thereafter, whether or not the FBB communication processing unit 38 of the ship information collection device 24 has received a response (reception response) indicating that the reception of ship information has been completed from the ground station 6 or the ship information transmission destination by the wireless communication device 21. If the reception response is not received (S45: NO), after waiting for a certain time (step S46), the process is returned to step S44, and the ship information is retransmitted. When the reception response is received (S45: YES), the FBB communication processing unit 38 of the ship information collection device 24 ends the ship information transmission process.

  Further, the ship information collecting device 24 can determine that an abnormality has occurred, for example, when the vibration detected by the vibrometer 15a exceeds a threshold as described above, and when the ship 1 has an abnormality. Has a transmission function at the time of abnormality for transmitting predetermined ship information to a predetermined transmission destination. FIG. 14 is a flowchart showing a procedure of ship information abnormal time transmission processing by the ship information collecting device 24. The ship information collecting device 24 determines whether or not an abnormality has occurred in the ship 1 depending on whether or not the value of the detected various ship information (or various ship information given from the VDR 22) exceeds a threshold value. (Step S51) If no abnormality has occurred (S51: NO), the process waits until an abnormality occurs.

  If it is determined that an abnormality has occurred in the ship 1 (S51: YES), the ship information collection device 24 reads out ship information designated in advance as ship information to be transmitted when an abnormality occurs from the ship information DB 35 (step S52), The read ship information is given to the FBB communication processing unit 38 to perform ship information transmission processing (step S53), and the process is terminated. In addition, since the ship information transmission process of step S53 is the same process as the process shown in FIG. 13, description is abbreviate | omitted.

  Further, when a ship information transmission instruction is given by the sailor of the ship 1, the ship information collecting device 24 searches for ship information corresponding to the conditions given together with the transmission instruction, and sends the ship information to the destination specified by the sailor. An instruction transmission function for transmitting information is provided. FIG. 15 is a flowchart illustrating a procedure of ship information instruction transmission processing by the ship information collection device 24. The ship information collection device 24 determines whether or not a ship information transmission instruction has been accepted by an input from the operation unit 33 or a remote operation from the inboard work PC 23 (step S61). (S61: NO), it waits until a transmission instruction is accepted.

  The ship information transmission instruction includes conditions such as the type of ship information to be transmitted and designation of the transmission destination. The ship information collection device 24 is designated when the transmission instruction is received (S61: YES). The ship information corresponding to the conditions is searched from the ship information DB 35 (step S62). The search condition specified at this time can specify a period such as xx month yy day zz time to XX month YY date ZZ time with respect to UTC time (DayTime-Z) attached to ship information, for example. Also, for example, a numerical value can be specified for the sequence number (SeqNum) of the measurement point. The ship information collection device 24 reads out all ship information corresponding to the search under the designated conditions from the ship information DB 35 (step S63), gives the read ship information to the FBB communication processing unit 38, and performs ship information transmission processing. (Step S64), and the process is terminated. In addition, since the ship information transmission process of step S64 is the same process as the process shown in FIG. 13, description is abbreviate | omitted.

  Further, the ship information collecting device 24 is connected to the ground station 6 and the communication from the ground device such as the server device 40 installed in the land service providing company 4, the PC 50 installed in the shipbuilding company 5a, and the PC 50 of the ship management company 5b. In response to a ship information transmission request given via the satellite 7, the apparatus has a response transmission function for transmitting the requested ship information. A land user such as a ship manager or a ship designer who uses the server device 40 or the PC 50 can specify a condition of ship information to be transmitted when requesting the transmission of ship information. The conditions specified at this time can specify a period for the UTC time (DayTime-Z) attached to the ship information, for example, and specify a numerical value for the sequence number (SeqNum) of the measurement point, for example. be able to. Furthermore, a voyage number (V-Num) can also be specified. In this case, the ship information collection device 24 searches the voyage information (see FIG. 10) from the ship information DB 35 and includes it in this voyage information. The ship information corresponding to the departure date and time (DepTime) and arrival date and time (ArrTime) is further retrieved from the ship information DB 35 and transmitted to a device on land. As described above, the specification of the condition at the time of the transmission request can be performed by various methods.

  FIG. 16 is a flowchart showing a procedure of ship information response transmission processing by the ship information collecting device 24. The ship information collecting device 24 is a server device 40 installed in the land service providing company 4 via the communication satellite 7 and the ground station 6 in the FBB communication processing unit 38, a PC 50 installed in the shipbuilding company 5a, or a ship. It is determined whether or not the wireless communication device 21 has received a transmission request from the PC 50 or the like installed in the management company 5b (step S71). If no transmission request has been received (S71: NO), a transmission request Wait until you receive

  When the transmission request is received (S71: YES), the ship information collecting device 24 searches the ship information DB 35 for ship information corresponding to the requested condition (step S72), and the ship information corresponding to the search under this condition. Are read from the ship information DB 35 (step S73), and the read ship information is given to the FBB communication processing unit 38.

  The FBB communication processing unit 38 given the ship information packetizes the given ship information according to the protocol of the satellite communication (step S74), gives the packetized ship information to the wireless communication device 21, and the communication satellite 7 Then, the data is transmitted to the transmission source of the transmission request via the ground station 6 (step S75). Thereafter, the ship information collection device 24 determines whether or not the FBB communication processing unit 38 has received a reception response transmitted from the ship information transmission destination (step S76), and has not received the reception response. (S76: NO), after waiting for a certain time (step S77), the process is returned to step S75, and the ship information is retransmitted. When the reception response is received (S76: YES), the ship information collection device 24 ends the process.

  In the ship information collecting device 24 having the above configuration, ship information such as the navigation speed and wind speed of the ship 1 detected by the VDR 22, and a vibration meter 15 a and a microphone 15 b connected to the arc net communication unit 37 via the arc net 14. The ship information detected by the inclinometer 18, vibrometer 19a, microphone 19b, etc. is stored in the ship information DB 35 in a predetermined data format, and is included in the transmission request when a transmission request is given from a land device. According to the conditions, the ship information is searched from the ship information DB 35, and the ship information corresponding to the conditions is transmitted to the on-shore device. Necessary ship information can be acquired when necessary.

  In addition, various kinds of information input by the crew on the inboard work PC 23 are stored in the ship information DB 35 of the ship information collecting device 24 as ship information, so that data such as loading calculation of the ship 1 or a logbook can be obtained. It can be stored as ship information. Further, when a transmission instruction is given by a sailor of the ship 1, the ship information collecting device 24 transmits the ship information stored in the ship information DB 35 so that the sailor can manage the ship 1 or design the ship. It is possible to reliably transmit the ship information determined to be useful to the land device.

  Further, the ship information detected by the VDR 22, the vibration meter 15a, the microphone 15b, the inclinometer 18, the vibration meter 19a, the microphone 19b, etc. is attached with a UTC time (DayTime-Z) related to the detection date and time in the ship information DB 35. Specifying the date and time of ship information to be transmitted to the ship information collecting device 24 when a ship information transmission request is given from an onshore device or when a crew member of the ship 1 gives a send instruction, etc. can do.

  Further, vibration and sound of the inboard equipment such as the main engine 15 are detected using the vibrometer 15a and the microphone 15b, and vibration and sound of the inboard equipment such as the electric motor 19 are detected using the vibrometer 19a and the microphone 19b. By configuring the ship information to be stored in the ship information DB 35 as ship information, by analyzing the stored vibration and sound ship information, the degree of wear and fatigue of the inboard equipment is estimated, and a failure is predicted to provide an early component. Replacement or maintenance can be performed, and when the onboard equipment breaks down, the cause of the failure can be analyzed. In addition, by detecting the inclination of the hull of the ship 1 using the inclinometer 18 and storing it in the ship information DB 35 as ship information, the cause of the accident can be estimated when a marine accident occurs.

  In addition, the ship information collecting device 24 periodically accumulates ship information at a predetermined cycle, and stores ship information when an abnormality of the ship 1 is detected from various detected ship information. By doing so, it is possible to accumulate ship information such as when an abnormality occurs in the ship 1 or when a marine accident occurs, which can be used to investigate these causes. Further, the ship information collecting device 24 stores the detection values of the vibrometer 15a, the microphone 15b, the inclinometer 18, the vibrometer 19a, and the microphone 19b for a predetermined time in the memory 34, and reaches the accumulation timing in the ship information DB 35. By storing the detected values stored in the memory 34 in the ship information DB 35 as ship information, the ship information DB 35 stores ship information from the occurrence of the abnormality to a predetermined time before an abnormality occurs in the ship 1. Accumulation can be performed, and the cause of abnormalities can be investigated more reliably.

  In the present embodiment, the ship information collection system 2 is composed of four devices, that is, the wireless communication device 21, the VDR 22, the inboard work PC 23, and the ship information collection device 24. However, the present invention is not limited to this. Alternatively, it may be configured as one ship information collecting device having all the functions of these four devices, or a ship information collecting system may be configured by a plurality of two, three, five or more devices. . Further, the ship information collection device 24 is configured to receive the detection values of the vibrometer 15a, the microphone 15b, the inclinometer 18, the vibrometer 19a, the microphone 19b, and the like and store them in the memory 34, but the present invention is not limited to this. The ship information collection device 2 may be configured to only collect ship information, and may be configured to receive detection values of the vibrometer 15a, the microphone 15b, the inclinometer 18 and the like with another device. Moreover, the data format of ship information shown in FIGS. 6-10, the kind of ship information, etc. are examples, Comprising: It does not restrict to these, The ship information which the ship information collection apparatus 24 collects is various other various. It may be information.

DESCRIPTION OF SYMBOLS 1 Ship 2 Ship information collection system 4 Service provider 5a Shipbuilding company 5b Ship management company 6 Ground station 7 Communication satellite 8 Telephone network 9 Internet network 10 Inboard LAN
11 PC for sending and receiving mail
12 PLC modem 13 Power line 14 Arc net 15 Main machine 15a Vibrometer (ship information detection means)
15b Microphone (ship information detection means)
16 Generator 17 Boiler 18 Inclinometer (Ship information detection means)
19 Electric motor 19a Vibrometer (ship information detection means)
19b Microphone (ship information detection means)
21 Wireless communication device (wireless communication means)
22 VDR (Vessel Information Detection Means)
23 Onboard PC (information receiving means, instruction receiving means)
24 Ship information collection device (periodic transmission means, request reception means, information search means, response transmission means, instruction transmission means, abnormality detection means)
31 Control Unit 32 Display Unit 33 Operation Unit (Instruction Accepting Unit)
34 Memory (storage means)
35 Ship information DB (information storage means)
36 Inboard LAN communication unit 37 Arc net communication unit 38 FBB communication processing unit (periodic transmission means, request reception means, response transmission means, instruction transmission means)
40 server device 50 PC

Claims (7)

Mounted on the ship,
Ship information detecting means for detecting information relating to navigation of the ship or information relating to equipment in the ship; and
Information storage means for converting and storing the information detected by the ship information detection means into a predetermined data format;
Wireless communication means for transmitting and receiving information to and from devices installed on land,
Periodic transmission means for periodically transmitting the information stored in the information storage means to a land device by the wireless communication means;
A request receiving means for receiving an information transmission request from a land device by the wireless communication means;
Information retrieval means for retrieving information according to a transmission condition included in the information transmission request received by the request reception means from the information accumulated by the information accumulation means;
A ship information collecting device comprising: response transmission means for transmitting information searched by the information search means to a device on land by the wireless communication means. Information receiving means for receiving input of information;
An instruction receiving means for receiving an information transmission instruction;
An instruction transmitting means for transmitting the information stored in the information storing means to a land device by the wireless communication means when the instruction receiving means accepts an information transmission instruction;
The ship information collecting device according to claim 1, wherein the information storage unit converts the information received by the information reception unit into a predetermined data format and stores the information. The information storage means converts the information related to date and time into a data format including information for search by the information search means when converting the information to be stored into a predetermined data format. The ship information collection device according to claim 1 or 2. The ship information collection device according to claim 3, wherein the information related to the date and time is a date and time based on UTC. The information detected by the ship information detecting means includes information related to vibration of equipment in the ship, information related to sound generated by the equipment in the ship, or information related to inclination of the ship. The ship information collection device according to any one of claims 1 to 4. According to the information detected by the ship information detection means, comprising an abnormality detection means for detecting an abnormality of the ship,
The information storage means periodically stores information detected by the ship information detection means, and stores information detected by the ship information detection means when the abnormality detection means detects an abnormality. The ship information collection device according to any one of claims 1 to 5, wherein the ship information collection device is provided. Comprising storage means for storing the information detected by the ship information detection means until a predetermined time before the present time;
The ship information collection device according to any one of claims 1 to 6, wherein the information storage unit reads and stores information from the storage unit at a predetermined storage timing. .

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