KR20180008058A - Method for deciding the evacuation level in a ship - Google Patents

Abstract

A method for determining an evacuation level for a vessel is provided. The method for determining an evacuation level for a vessel according to an embodiment of the present invention includes: a) acquiring at least one real-time vessel condition information of a vessel under voyage by using a sensor; b) obtaining the vessel condition information so as to determine an evacuation level; and c) outputting the evacuation level, wherein the evacuation level is divided into the following four steps of a normal level which is a normal state in accordance with each condition information, an attention level for requiring crews to be identified, checked, or repaired; a warning level for preparing passengers to be evacuated and a vessel to be moved away; and a severe level for requiring the passengers to be immediately evacuated and rescued.

Description

[0001] The present invention relates to a method for deciding a level of evacuation for a ship,

The present invention relates to a method for determining a level of evacuation for a ship, and more particularly, to a method and apparatus for determining a level of evacuation for a ship when a vessel malfunctions, loss of stability, flooding, And to a method for determining a ship evacuation level.

In general, when a safety accident such as a fire, flood, or sinking occurs in a sailing vessel, evacuation guidance must be clearly provided for the safety of the passengers because they are sailing.

In order to warn such safety accidents and inform the passengers of the current state of the ship, a watch-type warning device installed on the center wall of the ship on the basis of the left and right sides of the ship and broadcasting a warning sound according to the inclination angle of the watch, A ship warning device (KR 10-1618081) that automatically sounds a warning sound according to the angle at which the ship is tilted "including a buoyancy warning device mounted on the left and right side walls of the ship, have.

However, in the case of such a device, since a warning sound is outputted in accordance with the inclination angle of the ship, when the ship sinks and sinks in a state that the ship is not tilted, or when a safety accident occurs inside the ship such as a fire, There is no problem.

KR 10-1618081

In order to solve the problems of the related art as described above, an embodiment of the present invention provides a method of checking the state of a ship in real time and determining a level of evacuation of the ship using the confirmed real-time state information.

According to an aspect of the present invention, there is provided a method for determining a ship evacuation level. The method for determining a ship's evacuation level includes the steps of: a) acquiring at least one real-time ship condition information of a ship under voyage using a sensor; b) obtaining the ship condition information and determining an evacuation level; And c) outputting the evacuation level, wherein the evacuation level is set to a normal level that is a normal state according to each state information value, a level of interest requiring confirmation, inspection or repair of the crew, And a severity level in which a boundary level for preparing for evacuation and an urgent need for abscission and construction of an immediate passenger are required.

The real-time status information may include a stability index of the ship, a ship posture, a malfunctioning equipment failure, a fire and a sinking remaining time.

The evacuation level may be determined to be the highest evacuation level among the evacuation levels of the respective state information.

The fire can be separated by the zone using the smoke sensor and the temperature sensor installed in each zone of the ship.

When the smoke sensor installed in each zone detects carbon dioxide and carbon monoxide, the zone may be determined as a suspected fire occurrence zone.

If the temperature measured by the temperature sensor installed in the zone is less than or equal to 40 ° C, the zone is determined as a suspected fire zone, and if the temperature measured by the temperature sensor installed in the zone is 40 to 60 ° C, And if the temperature measured by the temperature sensor installed in the zone is 60 DEG C or higher, the zone can be determined as a fire occurrence zone.

When the smoke sensor or the temperature sensor determines that the fire-suspicious area, the fire-boundary area, or the fire-generating area is at least 20% of the entire area of the ship, the escape level is determined as the threshold level , And if it exceeds 50% of the entire area of the ship, the evacuation level may be determined as the severity level.

The stability index of the ship can be calculated using the basic stability factor and the turning power information.

The elementary stiffness restraining elements are designed to have three areas corresponding to the static stability curves defined by GoM (m), Gz at 30 deg, Max Gz, angle / Gz, weather criteria, and IMO .

The turning power information may include turning warp and racing force information.

The ship attitude is calculated using the heeling value of the ship and the tirm value of the ship as the ship inclination degree and when the healing value is 2 to 5 degrees or the trim value is 3 m or more, Level, and determines the evacuation level as a boundary level when the healing value is 5 to 14 degrees and the trim value is 3 m or more, and determines the evacuation level as the critical level when the healing value exceeds 14 degrees .

The method for determining the level of evacuation of a ship according to an embodiment of the present invention is effective in deriving the correspondence of the passenger and the crew according to the step by dividing the step by using the current state of the ship.

In addition, the method of determining the evacuation level for a ship according to an embodiment of the present invention has an effect of real-time reflecting the evacuation level of a changing ship by measuring and analyzing the current state of the ship in real time.

1 is a flowchart illustrating a method for determining a ship's evacuation level according to an embodiment of the present invention.
2 is an example of an evacuation level determination apparatus for performing the method of FIG.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art to which the present invention pertains. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

FIG. 1 is a flowchart illustrating a method for determining a ship's evacuation level according to an embodiment of the present invention, and FIG. 2 is an example of an evacuation level determination apparatus for performing the method of FIG. Hereinafter, a method for determining a ship's evacuation level according to an embodiment of the present invention will be described with reference to FIGS. 1 and 2. FIG. Here, FIG. 2 exemplarily illustrates one apparatus for convenience of explanation, and the apparatus for carrying out the present invention is not limited to FIG.

A method for determining a level of evacuation for a ship 100 according to an embodiment of the present invention includes a step S110 of obtaining real-time ship condition information, a step S120 of determining a level of evacuation by acquiring ship condition information, (S130).

First, in order to determine a ship evacuation level, real-time ship condition information is acquired (step S110). At this time, the real-time ship condition information is acquired through the status information obtaining unit 210 as shown in FIG. 2, and the ship condition information is obtained using various sensors. The real-time ship condition information may include, for example, at least one of the stability index of the ship, posture information of the ship, failure of the control equipment, fire information, and sinking remaining time of the ship.

The stability index of a ship is the property that when the ship is floating on the water, it tries to return to its original state from the resistance or inclined state when it is tilted by the force from the outside. When the stability index is high, the stability of the ship is increased. In other words, when the stability index of the ship is high, the ship is in a stable state, and when the stability index is low, the ship is in an unstable state.

The stability index may preferably be calculated using the wake-up power information and the basic stability factors according to recommendations of the International Maritime Organization (IMO), and the wake-up power information during swing may include turning slope and wakefulness information .

The basic stability factors are Gz (m), Gz at 30deg, which is the restitution angle at 30 ° of the crossing angle, Max Gz, the maximum value of the restoration definition, angle / Gz, angle of the maximum restoration, weather criterion, And includes the following three elements: a) the area between 0 and 30 degrees of the transverse square, b) the area between 30 and 40 degrees of the transverse square, and c) the area between 0 and 40 degrees of the transverse square . At this time, GoM (m) represents the height of the meter center, which is the distance between the center of gravity G of the ship and the meter center M, GZ represents the distance multiplied by the restoring force, which is the force to return the ship to a stable position, Weather criteria indicates the degree to which the ship is affected by external forces such as wind.

The attitude information of the ship refers to the information of the ship's heel and tail. Horizontal slope and longitudinal slope can change according to the change of ship 's rotation or wave during the operation. If such a change is severe, the ship can lose its restorative power and sink and sink.

Failure of the steering equipment of the ship may mean failure of the reader and the engine, for example. If the leader and engine fail, the ship is drifting by currents and winds in a state of inability to steer, which may result in collisions with reefs or other ships in the sea.

The fire information of the ship is information about the fire that occurs in the ship. Because the ship is distant from the land, if a fire occurs, early suppression is essential and if the initial suppression fails and spreads inside the ship, the life of the ship's passengers may be threatened.

The remaining time of the sinking of the ship means the time from when the ship starts sinking due to the occurrence of fire, flood or overturn in the ship, until the instant when the escape becomes impossible. Since the remaining time of sinking the ship is the time for the passengers to safely escape, the survival rate of the passenger may decrease as the sinking remaining time decreases.

As described above, each ship state information obtained as real-time ship state information can be used as information indicating the safety of a ship or a passenger. At this time, the evacuation level determination apparatus 200 according to the embodiment of the present invention can acquire the respective ship condition information through the status information acquisition unit 210. [

For example, the state information obtaining unit 210 may obtain the stability information of the ship using the center of gravity of the ship and the buoyancy of the ship, acquire the tilt angle of the ship using a gyro sensor or the like, And a temperature sensor may be used to obtain the fire status.

In addition, the state information obtaining unit 210 may further obtain the analyzed information based on the obtained information. It is also possible to calculate the remaining time of sinking the ship by analyzing the acquired information.

Next, the level of evacuation in the ship is determined using the ship condition information acquired in step S110 (step S120). The evacuation level determination unit 231 can determine the evacuation level using the ship condition information acquired by the state information acquisition unit 210 in step S110. At this time, the evacuation level determination unit 231 may determine the evacuation level by acquiring the evacuation level setting criteria stored in the information storage unit 233 and comparing with the ship condition information.

Item Requirements Risk Level
(Captain's recommendation) Level 4 Stability Index At the lowest level reached
Highest risk level
(Escape immediately) Ship posture Heel transients (eg 14 to 16 degrees) Malfunction equipment failure No relation fire Spread over 50% of vessel range Sink time Highest risk Level 3 Stability Index When reaching level 3
Risk situation
Prepare to escape
(Call the passengers at designated escape places) Ship posture Above normal flight range
(Eg Trim 3 ~ 5m, heel more than 5 degrees) Malfunction equipment failure Both reader and engine malfunction fire Spread over 20% in vessel range Sink time Within 30 minutes Level 2 Stability Index Index value drops below 1
Risk situation
(Identifying the cause and watching the situation) Ship posture Exceeding normal operating range values
(Eg Trim 3 m, heel 2-5 degrees) Malfunction equipment failure Confirmation of trouble occurrence fire Confirmation of fire occurrence Sink time Possibility of sinking Level 1 Stability Index When the index value is 1 or more
normally
(Normal navigation) Ship posture Within normal operating range
(Trim 3m, within heel 2 degree) Malfunction equipment failure in normal operation fire No fire Sink time normal

Table 1 above is the evacuation level determination criterion according to one embodiment of the present invention. In step S120, the evacuation level determination unit 231 determines the evacuation level from the level 1 to the level 4, as shown in Table 1, using the real-time ship condition information acquired in step S110.

At this time, the evacuation level is a recommendation to be issued to the captain of the ship. Level 1 is the level at which the normal navigation is continued. Level 2 is the level at which the cause is identified and the situation is observed or the cause is resolved. Level 3 is the level at which passengers are summoned at the designated escape location to prepare for escape. Level 4 is the level that represents the highest risk level that requires immediate escape.

Here, the respective evacuation levels can be determined using the stability index, the ship posture, the failure of the control equipment, the occurrence of the fire, and the remaining time of the sinking.

First, the level setting criteria of the stability index can be set according to the recommendation of the International Maritime Organization (IMO), and the stability index in the steady state is preferably 1 or more. When the stability index falls below 1, restoration to a normal condition may not be possible depending on conditions such as weather, ship posture, etc. Therefore, it may be determined as a level of interest if the stability index is 1 or less.

In addition, if the stability index decreases to 1 or less, the evacuation level may be determined as the boundary level when the evacuation level is continuously decreased to reach the predetermined three-level level, or when the evacuation level reaches the lowest level after the 3-level level, . ≪ / RTI >

On the other hand, the ship attitude can be obtained from the slope of the ship, and the slope of the ship is calculated by using the heeling value of the ship and the trim value of the ship. At this time, if the healing value is less than 2 degrees and the trim value is less than 3 meters, it can be determined that the normal driving condition is normal level. If the healing value is 2 to 5 degrees and the trim value is 3 meters or more, It can be determined as a level of interest.

In addition, if the healing value exceeds 5 degrees, exceeding the normal operating range, or has a trim value of 3 meters or more, it is determined as the boundary level. If the healing value exceeds 14 degrees regardless of the trim value, It can be decided by the serious level caused by the posture. Here, the ship inclination is preferably obtained by using a gyro sensor or the like.

Meanwhile, the fire information can be acquired by using at least one of a smoke sensor and a temperature sensor installed in each zone of the ship. When the smoke sensor installed in a specific area detects carbon dioxide and carbon monoxide exceeding a predetermined reference range, the evacuation level determining device can determine the zone as a suspected fire occurrence zone, and the temperature sensed by the temperature sensor installed in the specific zone Even if the temperature is lower than 40 ° C, the area may be determined to be a suspect area for fire.

When the temperature sensed by the temperature sensor is in the range of 40 ° C to 60 ° C, the zone may be determined as a fire zone, and when the temperature sensed exceeds 60 ° C, the zone may be determined as a fire zone.

In addition, when the zone determined by the smoke sensor and the temperature sensor is more than 20% of the total area of the ship, the evacuation level determining device determines the evacuation level of the ship as the boundary level, and 50% If the area is exceeded, the evacuation level can be determined as the severity level.

On the other hand, the sinking remaining time can be obtained by using a flood sensor. The sinking remaining time is obtained by acquiring the area immersed in the vessel using the flooding sensor and calculating the flooding rate by comparing the flooding time. By using this, the evacuation level determining apparatus 200 can calculate the sinking remaining time, which is the immersion time of the remaining area of the ship.

At this time, if there is a possibility of sinking, the evacuation level determining device can determine the evacuation level as the level of interest, and if the sinking remaining time is within 30 minutes, the evacuation level can be determined as the boundary level. Also, if the sinking speed is accelerated at a rate of decrease in the sinking remaining time beyond a predetermined speed, or if the sinking remaining time decreases within 15 minutes, the evacuation level can be determined as the serious level.

On the other hand, the evacuation level determined by using the stability index, the ship posture, the failure of the control equipment, the occurrence of the fire, and the remaining time of the sinking is not included in the highest level The evacuation level can be determined based on the ship condition information.

That is, for example, even if the stability index, the ship posture, the failure of the control equipment, and the sinking remaining time all coincide with the value of level 1, if the fire occurrence value is spread over 20% of the vessel range, 231) determines the evacuation step of the ship to level 3 in step S120.

When the steerability equipments, the ship attitude and the sinking remaining time all coincide with the value of level 1 but the stability index falls to 1 or less and the fire spreads by more than 20% of the vessel range, the evacuation level determination unit 231 ) Can decide to evacuate to level 3 instead of level 2.

Finally, the evacuation level determined in step S130 is output (step S130). The evacuation level determination apparatus 200 outputs the evacuation level through a display device inside or outside the ship when the evacuation level determined in step S120 is two or more.

At this time, the evacuation level can be outputted as visual and auditory information such as voice, alarm sound, LED lights inside the ship, or propagated to the surrounding ship through a predetermined frequency in the case of outside the ship. In addition, the evacuation level is preferably sent to an incident response organization capable of responding to accidents such as coastal wars, the Fire Bureau or the National Security Agency, and provides information on the current position, condition, and evacuation level of the vessel, Even if it is not accepted, the response mechanism can be expected.

For example, when the evacuation level is determined to be the level of interest level 2, the crews are alerted to the crew through the terminals held by the crews so that the crews can perform actions that can solve the abnormal conditions such as field check, equipment check, Can be performed.

When the evacuation level is determined to be the level 3, the crew terminal is provided with the evacuation route and evacuation guide map together with the alert for the level 3, and evacuation guidance is provided to the passengers .

In addition, when the evacuation level is determined to be a severity level of level 4, the passenger and the crew can be evacuated by delivering an alarm to the passengers as well as the passengers, and providing the evacuation method and instructions.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

200: evacuation level determining apparatus 210: state information obtaining unit
230: state information analyzing unit 231: evacuation level determining unit
233: Information storage unit

Claims (11)

a) obtaining at least one real-time ship condition information of the ship under voyage;
b) obtaining the ship condition information to determine an evacuation level; And
c) outputting the evacuation level,
The evacuation level may be determined based on the normal state normal level, the level of interest requiring identification, inspection or repair of the crew, the threshold level for evacuating passengers and preparing for evacuation, and the immediate evacuation and structure of passengers A method of determining evacuation level for a ship in four levels of severity level required. The method according to claim 1,
Wherein the real-time ship condition information includes a stability index of the ship, a ship posture, a malfunctioning equipment failure, and a fire and sinking remaining time. 3. The method of claim 2,
Wherein the evacuation level is determined to be the highest evacuation level among the evacuation levels of each of the ship condition information. The method of claim 3,
Wherein the fire is measured separately for each zone using a smoke sensor and a temperature sensor installed in zones on the ship. 5. The method of claim 4,
And determining the zone as a fire-suspected zone when detecting the carbon dioxide and carbon monoxide in the smoke sensor installed in each zone. 5. The method of claim 4,
If the temperature measured by the temperature sensor installed in the zone is 40 DEG C or less, the zone is determined as a fire suspect zone,
If the temperature measured by the temperature sensor installed in the zone is 40 to 60 DEG C, the zone is determined as a fire boundary zone,
And determining the zone as a fire-generating zone if the temperature measured by the temperature sensor installed in the zone is greater than or equal to 60 ° C. The method according to claim 5 or 6,
When the smoke sensor or the temperature sensor determines that the fire-suspicious area, the fire-boundary area, or the fire-generating area is at least 20% of the entire area of the ship, the escape level is determined as the threshold level , And if it exceeds 50% of the entire area of the ship, the evacuation level is determined as the severity level. The method of claim 3,
Wherein the stability index of the ship is calculated using the basic stability factor and the turning power information. 9. The method of claim 8,
The elementary stiffness restraint element comprises three elements corresponding to static stability curves defined by GoM (m), Gz at 30 deg, Max Gz, angle / Gz, weather criteria and IMO A method for determining evacuation level for a ship including an area. 10. The method of claim 9,
Wherein the turning power information includes a turning warp and an odometer information. The method of claim 3,
The ship attitude is calculated using the heeling value of the ship and the tirm value of the ship as the ship inclination degree. If the healing value is 2 to 5 degrees or the trim value is 3 meters or more, Level,
Determines the evacuation level as a boundary level when the healing value is 5 to 14 degrees and the trim value is 3 m or more,
And determining the evacuation level as the severity level if the healing value exceeds 14 degrees.

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