KR20170053508A - Hose with displacement senor - Google Patents

Hose with displacement senor Download PDF

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Publication number
KR20170053508A
KR20170053508A KR1020150156116A KR20150156116A KR20170053508A KR 20170053508 A KR20170053508 A KR 20170053508A KR 1020150156116 A KR1020150156116 A KR 1020150156116A KR 20150156116 A KR20150156116 A KR 20150156116A KR 20170053508 A KR20170053508 A KR 20170053508A
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KR
South Korea
Prior art keywords
rod
displacement
ring portion
sensor
hose
Prior art date
Application number
KR1020150156116A
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Korean (ko)
Other versions
KR101792825B1 (en
Inventor
김현정
Original Assignee
삼성중공업 주식회사
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Application filed by 삼성중공업 주식회사 filed Critical 삼성중공업 주식회사
Priority to KR1020150156116A priority Critical patent/KR101792825B1/en
Publication of KR20170053508A publication Critical patent/KR20170053508A/en
Application granted granted Critical
Publication of KR101792825B1 publication Critical patent/KR101792825B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/11—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/30—Arrangement of ship-based loading or unloading equipment for transfer at sea between ships or between ships and off-shore structures
    • B63B27/34—Arrangement of ship-based loading or unloading equipment for transfer at sea between ships or between ships and off-shore structures using pipe-lines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/11—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall
    • F16L11/118—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall having arrangements for particular purposes, e.g. electrically conducting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/12—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

The present invention relates to a displacement measuring hose which is formed in a foldable structure and which can easily deform a shape corresponding to an external force and generate a signal according to deformation to grasp a displacement amount of a deformation degree. This displacement measuring hose forms a passage on the inside and is attached to the pipe body part made of a flexible material and the pipe body part at regular intervals to connect a plurality of first ring parts maintaining the shape of the pipe body part, And a sensor portion for measuring a displacement of at least one of the connectable rod, the first ring portion, and the connecting rod.

Description

Hose with displacement senor

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a displacement measurement hose, and more particularly, to a displacement measurement hose that can easily deform a shape corresponding to an external force and grasp the displacement amount according to a shape deformation.

Liquefied natural gas (Liquid Natural Gas) is liquefied by offshore production facilities and supplied to LNG carriers through the LNG carrier. LNG carriers will operate with sufficient fuel to carry LNG smoothly to each source.

In general, LNG vessels use gaseous fuels such as LNG, DME and LPG in ship-to-ship manner through LNG bunkering facilities at sea. The LNG bunkering facility is composed of a loading arm and a flexible hose to form a raw material moving path between the ships.

However, the LNG bunkering facility has a problem that when the ship is severely rocked due to deterioration of the weather conditions, the distance between the ships is separated by a certain distance or more. In other words, the LNG bunkering facility is vulnerable to ship movement due to sea wave and weather changes. At present, various devices are being actively developed for smooth fuel injection to LNG vessels in terms of sea wave and weather changes. However, most of the developed devices are only for strengthening the connection between vessels, and development of a device capable of predicting and preventing damages of the LNG bunkering facility due to shaking of the ship is insufficient.

Korean Patent No. 10-0836921 (Jun. 3, 2008)

Disclosure of Invention Technical Problem [8] The present invention is directed to a displacement measuring hose that can easily deform a shape corresponding to an external force and can grasp a displacement amount according to a shape deformation.

The problems to be solved by the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a displacement measuring hose comprising: a tubular body formed of a flexible material; a plurality of first tubular members attached at regular intervals to the tubular body, And a sensor unit for measuring a displacement of at least one of the first ring unit and the connection rod.

And a second ring portion positioned between the first ring portions to fix the connection rod and to maintain a passage formed inside the tube portion.

The connection rod includes a first rod and a second rod hinged to each other, and the first rod and the second rod may be hinged to the first ring portions different from each other.

The second ring portion may be made of a stretchable material so that one end of the first rod and one end of the second rod may be hinged so that the first rod and the second rod may be refracted.

The sensor unit may include a first sensor for measuring a refractive displacement of at least one of the second ring portion and the connection rod, and a second sensor for measuring a displacement of the connection rod.

Wherein the connecting rod includes a first rod and a second rod hinged to each other, wherein the first rod and the second rod are hinged to different first ring portions, and the second sensor is hinged to the first rod and the second rod, And may be interposed between the second rods.

The displacement measuring hose according to the present invention is formed of a flexible material and a foldable structure, so that the shape can be easily deformed corresponding to an external force.

Also, by measuring the amount of displacement according to the deformation, the size and direction of the external force can be grasped, so that the position of the ship can be adjusted and the connectivity between the ships can be improved.

FIG. 1 is a perspective view showing a ship connecting a ship with a displacement measuring hose according to an embodiment of the present invention.
2 is a cross-sectional view of the displacement measurement hose of Fig.
FIG. 3 is a view showing displacement due to refraction when the connecting rod of FIG. 1 is refracted. FIG.
FIG. 4 is a view showing displacement according to movement when the connecting rod of FIG. 1 is moved in the left-right direction.

Brief Description of the Drawings The advantages and features of the present invention and methods of achieving them can be made clear with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art. To fully disclose the scope of invention to a person skilled in the art, and the invention is only defined by the claims. Like reference numerals refer to like elements throughout the specification.

1 and 2, a displacement measuring hose connecting a first vessel and a second vessel according to an embodiment of the present invention will be described.

FIG. 1 is a perspective view showing a ship connecting a displacement measurement hose according to an embodiment of the present invention, and FIG. 2 is a sectional view of the displacement measurement hose of FIG.

Displacement measurement hose (1) is a hose that can grasp the amount of displacement (amount of refraction, position, etc.) of each part of the hose, and is a hose that can accurately grasp the state of the hose when transferring cargo between shaken ships.

First, the first vessel S1 may be an LNG vessel for transporting LNG, and the second vessel S2 may include a facility for supplying fuel to the first vessel S1. The ship can be a ship. The first vessel S1 and the second vessel S2 are vessels capable of unloading cargo (such as liquid or powder) through a hose, and are not limited to ships carrying or unloading oil. The first ship S1 is connected to the second ship S2 by the displacement measuring hose 1 so that the cargo or fuel can be supplied smoothly from the second ship S2.

The displacement measuring hose 1 is formed of a flexible tubular portion 10, a first ring portion 20 and a connecting rod 40 having a passage formed on an inner side thereof, do. In this displacement measuring hose 1, a sensor unit 50 is provided to detect the degree of deformation such as the position and refractive index of each part. The displacement measuring hose 1 can transmit the displacement signal measured by the sensor unit 50 to the first ship S1 or the second ship S2 and the first ship S1 and the second ship S2, Can be controlled so as to be located within a limit displacement amount that the displacement measuring hose 1 can withstand. The connecting force between the first ship S1 and the second ship S2 is adjusted so that the first ship S1 and the second ship S2 are positioned within the limit tolerance of the displacement measuring hose 1, Gas oils such as LNG (Liquid Natural Gas), DME (Dimethyl ether) and LPG (Liquefied Petroleum Gas) as well as liquid cargo can be easily transferred.

The displacement measuring hose 1 provides the measured values of the sensor unit 50 to the first vessel S1 and the second vessel S2 even when the vessel is shaken by the waves during the cargo transportation, It is possible to adjust the position of the ship during the unloading operation so that the connection between the ships is not cut off during unloading.

Hereinafter, each component constituting the displacement measuring hose 1 will be described in more detail.

The tubular portion 10 is made of a flexible material and has a passageway through which the cargo can be conveyed. For example, the tubular portion 10 is formed in the form of a pleated hose that is easy to expand and contract, and the length can be elongated or shortened corresponding to an external force. That is, the shape of the tubular portion 10 can be easily deformed corresponding to the external force. The first ring portion 20, the second ring portion 30 and the connecting rod 40 are attached to the inside and the outside of the tubular portion 10 at regular intervals so that even if an external force is applied to the inside of the tubular portion 10, For example, fuel) can be maintained. In this specification, the first ring portion 20, the second ring portion 30, and the connecting rod 40 are provided outside the tubular portion 10 as an example. However, the mounting positions of the first ring portion 20, the second ring portion 30, and the connecting rod 40 are not limited to these, and may be provided inside the tubular portion 10 as required.

The first ring portion 20 has a ring shape, and a passage through which fluid can move is formed inside. The first ring portion 20 may be installed at a predetermined interval in the tubular portion 20, and may be attached to the corrugated pipe at a position where corrugations are formed. The first ring portion 20 may be formed of stainless steel and special steel which is not corroded even when exposed to seawater and LNG, and maintains an annular shape from external force. These first ring portions 20 are connected to each other by a connecting rod 40. That is, the connecting rod 40 connects between the first ring portions 20 and can be hinged so that the tubular portion 10 can be bent.

On the other hand, the connection ring 40 between the first ring portions 20 may be provided with the second ring portion 30.

The second ring portion 30 is formed in an annular shape such that the fluid can move inside the first ring portion 20 like the first ring portion 20. The second ring portion 30 holds the skeleton of the tube portion 10 together with the first ring portion 20, 10).

The second ring portion 30 may be made of a stretchable material so that the diameter of the second ring portion 30 can be reduced or increased according to the movement of the connecting rod 40. For example, the second ring portion 30 is made of rubber and is provided on the corrugated portion of the pipe portion 10 between the first ring portions 20, and the connecting rod 40 can be hinged to be refractory.

In particular, the second ring portion 30 is elastically deformed in accordance with the refraction state of the connection rods 40 coupled to one side and the other side. Accordingly, when the connection rod 40 is deflected by an external force, it is restored to its original position when the external force is removed. For example, when the displacement measuring hose 1 is deflected by external force, the position of the first ring portion 20 and the connecting rod 40 is changed and the second ring portion 30 is deformed. At this time, the second ring portion 30 tries to restore its original shape by applying an elastic force, and the first ring portion 20 and the connecting rod 40 are originally restored by the force.

The connection rod 40 may include a plurality of rod arms to connect the first ring portion 20 and the first ring portion 20 or to connect the first ring portion 20 and the second ring portion 30. [ The connection rod 40 may be formed of a plurality of hinged first and second rods 41 and 42. One end of the first rod 41 is hinged to one of the first ring portions 20 and the other end of the second rod 42 is hinged to the other one of the first ring portions 20. The other end of the first rod 41 and one end of the second rod 42 are hinged to each other so that the connecting rod 40 can be easily refracted by an external force. The first ring portion 20 and the second ring portion 30 including the connection rod 40 include the sensor portion 50 so that the displacement or the refractive index of each portion can be grasped in real time.

The sensor unit 50 may include a first sensor 51 for measuring the refractive displacement and a second sensor 52 for measuring the displacement. Here, the first sensor 51 and the second sensor 52 may be composed of various sensors capable of measuring a rotational displacement or a linear displacement, as well as a gyro sensor, an acceleration sensor, and a GPS sensor. For example, the first sensor 51 may be formed of a gyro sensor for measuring an angle change, and the second sensor 52 may be formed of an acceleration sensor to measure a dynamic displacement of vibration, impact, and the like.

The first sensor 51 may be installed in each of the first ring portion 20, the second ring portion 30, the first rod 41 and the second rod 42 and the second sensor 52 may be installed in the first ring portion 20, The angle between the first rod 41 and the second rod 42 can be measured between the rod 41 and the second rod 42. Thus, the displacement, the amount of bending, the vibration, and the like of each portion of the displacement measuring hose 1 can be measured by the first sensor 51 and the second sensor 52. The operation of the sensor unit 50 will be described later in detail.

Hereinafter, with reference to Figs. 3 and 4, the operation of the displacement measuring hose deformed by an external force will be described in detail.

FIG. 3 shows a displacement due to a refraction when the connecting rod of FIG. 1 is refracted, and FIG. 4 shows a displacement of the connecting rod of FIG. 1 when the connecting rod moves in the left and right directions.

The first ship S1 and the second ship S2 connected to the displacement measuring hose 1 may be agitated by an ocean wave in the process of unloading the cargo at sea. At this time, the displacement measuring hose 1 can continuously transfer the cargo within a certain range as the length is changed or refracted according to the movement of the first ship S1 and the second ship S2. The displacement measuring hose 1 can measure the displacement of each part through the sensor part 50 even while moving by the disturbance.

For example, the displacement measuring hose 1 is configured such that one side of the displacement measuring hose 1 is elongated by the fluctuation of the first ship S1 and the second ship S2, and the displacement generated when the other side is reduced Can be measured. Particularly, when one side of the displacement measuring hose 1 is elongated, the first rod 41 is refracted by ?? 1 from the reference state of the first rod 41. When the length of the connecting rod 40 is increased, (51) measures the displacement corresponding to ?? 1.

When the length of the connection rod 40 is reduced, the second rod 42 is refracted by the angle? 2 from the reference state of the second rod 42. When the length of the connection rod 40 is reduced, (51) measures a displacement corresponding to ?? 2. The first ring portion 20, the second ring portion 30 and the connecting rod 40 can be moved in the X-axis direction when the displacement measuring hose 1 is shaken in the X-axis by the shaking motion of the ship.

As shown in the drawing, the second sensor 52 interposed between the first rod 41 and the second rod 42 is configured such that the first rod 41 and the second rod 42 are displaced to the left by DELTA X1 When the first rod 41 and the second rod 42 move to the right by DELTA X2, the displacement corresponding to DELTA X1 is measured, and the displacement corresponding to DELTA X2 can be measured. Although not shown, the displacement measuring hose 1 is provided with the first ring portion 20, the second ring portion 30 and the connection rods 40 (see FIG. 1) when the displacement measuring hose 1 is shaken in the Y- The second sensor 52 interposed between the first rod 41 and the second rod 42 can measure a displacement of the first sensor 41 and the second sensor 42 due to an external force. That is, the sensor unit 50 can measure the displacement of the first ring portion 20, the second ring portion 30, and the connecting rod 40 due to the external force, and further, To the ship S1 and the second ship S2 so that the ship can positively control the position so that the unloading operation can be smoothly performed within the limit tolerance of the displacement measuring hose 1. [

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, You can understand that you can. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

1: Displacement measurement hose 10:
20: first ring portion 30: second ring portion
40: connecting rod 41: first rod
42: second rod 50: sensor part
51: first sensor 52: second sensor
S1: First ship S2: Second ship

Claims (6)

A tubular portion formed of a flexible material and forming a passageway on the inner side;
A plurality of first ring portions attached to the tubular portion at regular intervals to maintain the shape of the tubular portion;
A connecting rod connecting between the first ring portions and at least partially bendable;
And a sensor portion for measuring a displacement of at least one of the first ring portion and the connection rod. The displacement measuring hose according to claim 1, further comprising a second ring portion positioned between the first ring portions to fix the connecting rod and to maintain a passage formed inside the tube portion. 2. The displacement measuring hose according to claim 1, wherein the connecting rod includes a first rod and a second rod hinged to each other, and the first rod and the second rod are hinged to different first ring portions. 3. The displacement measuring hose according to claim 2, wherein the second ring portion is made of a stretchable material, and hinges one end of the first rod and one end of the second rod such that the first rod and the second rod are refractable. 5. The displacement measuring hose according to claim 4, wherein the sensor unit comprises a first sensor for measuring a refractive displacement of at least one of the second ring portion or the connecting rod, and a second sensor for measuring a moving displacement of the connecting rod. 6. The apparatus of claim 5, wherein the connecting rod comprises a first rod and a second rod hinged to each other, wherein the first rod and the second rod are hinged to different first ring portions, Is interposed between the first rod and the second rod.
KR1020150156116A 2015-11-06 2015-11-06 Hose with displacement senor KR101792825B1 (en)

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KR1020150156116A KR101792825B1 (en) 2015-11-06 2015-11-06 Hose with displacement senor

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Application Number Priority Date Filing Date Title
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KR101792825B1 KR101792825B1 (en) 2017-11-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107640292A (en) * 2017-08-07 2018-01-30 吴金伟 The autonomous oiling method of unmanned boat and system
CN113405437A (en) * 2021-05-21 2021-09-17 沪东中华造船(集团)有限公司 Boats and ships segmentation structure is horizontal longitudinal inclination dipperstick

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107640292A (en) * 2017-08-07 2018-01-30 吴金伟 The autonomous oiling method of unmanned boat and system
CN113405437A (en) * 2021-05-21 2021-09-17 沪东中华造船(集团)有限公司 Boats and ships segmentation structure is horizontal longitudinal inclination dipperstick

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