WO2014042304A1 - 수중구동용 추진장치 - Google Patents
수중구동용 추진장치 Download PDFInfo
- Publication number
- WO2014042304A1 WO2014042304A1 PCT/KR2012/008068 KR2012008068W WO2014042304A1 WO 2014042304 A1 WO2014042304 A1 WO 2014042304A1 KR 2012008068 W KR2012008068 W KR 2012008068W WO 2014042304 A1 WO2014042304 A1 WO 2014042304A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rotor
- drive shaft
- stator
- driving
- underwater
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/16—Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in recesses; with stationary water-guiding elements; Means to prevent fouling of the propeller, e.g. guards, cages or screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
- B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/46—Divers' sleds or like craft, i.e. craft on which man in diving-suit rides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- B63H1/14—Propellers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/38—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
Definitions
- the present invention relates to a propulsion device for underwater driving, and more particularly, to reduce the rotational force loss by integrating the driving motor and the propeller of the power source, and to further enhance the watertightness in the driving unit integrated propulsion unit maximizing propulsion efficiency
- the present invention relates to a new type of underwater driving propulsion device improved to enable safe propulsion.
- the propulsion device for underwater driving is a device mainly used to have the mobility to move in the water, such as electric boats, underwater scooters, submarines, other underwater equipment.
- the propulsion devices mounted on electric boats, underwater scooters, submarines, other underwater equipment, or used in the water or underwater can be classified according to the propulsion type of the underwater driving propulsion system, the material of the hull, and the purpose of use.
- the propeller rotates at a predetermined speed by a driving force supplied from an engine or a driving source, and the rotating propeller moves the fluid, thereby propelling the hull underwater.
- water is introduced into the inlet opening at the bottom of the ship, pressurized water is introduced into the swirl flow by pressing the impeller, and the propulsion force is obtained by rectifying the swirl flow into a straight flow through a diffuser and then spraying it in the water jet form through the stern.
- waterjet propulsion is also also waterjet propulsion.
- the conventional propulsion structure is a structure in which the propeller is exposed to the stern, so that the seaweeds are caught and the propeller is easily damaged, thereby causing the underwater scooter to be inverted or inoperable, resulting in a great safety risk.
- the problem has been raised that the diver may be injured if the operation is immature.
- Patent Publication No. 2012-0034887 incorporating a propeller and maintaining the impeller shape to improve safety and propulsion.
- the driving unit usually refers to a motor function, and since the motor is driven by electricity, even if a minute leak occurs in water, serious driving failure is required, so that very strict watertightness is required.
- the present invention was created because of the need for watertight reinforcement as described above, by connecting the impeller responsible for the propulsion function directly to the motor without a coupling to prevent power loss and fluctuations during high-speed rotation to provide a stable propulsion and high propulsion efficiency
- the driving part and the driving part are implemented as an integrated one, but unlike the structure disclosed so far, the stator and the rotor constituting the driving part are separated by a diaphragm to achieve a watertight structure that is close to perfect, and it is safe for underwater use. Its main purpose is to provide a submersible propulsion system to ensure full security.
- the present invention is a means for achieving the above object, a drive unit housing 100 is built in a motor, a plurality of inlet holes 240 are connected to the drive unit housing 100 in the radial direction and the propeller 220 And a propulsion unit housing 200 having a driving shaft 210 for rotating the propeller 220 by receiving power of a motor;
- the motor consists of a stator (110) and a rotor (120), wherein the stator (110) has a coil wound around a core, and the rotor (120) has a permanent magnet shape;
- One end of the drive shaft 210 is fixed integrally with each other through the center of the rotor (120);
- Between the rotor 120 and the stator 110 is divided into a separation plate 140, the separation plate 140 and the rotor 120 between the drive plate housing so that the separation gap 140 has an air gap ( Fixedly supported by a plate bracket 150 fixed to 100;
- One end of the drive shaft 210 is also maintained apart from the separation plate 140, the rotor
- the air gap is characterized in that 0.5-1.5mm.
- an orifice is formed in the rotor 120 so that water introduced into the space S may be discharged to the outer space of the rotor 120 opposite to the separation plate 140. have.
- the rotor 120 is characterized in that the surface is waterproof coating.
- the drive shaft 210 is rotated and supported by a pair of front and rear bearings (132, 134) to be fixed integrally through the rotor 120, the stator 110 is also characterized in that separated through There is this.
- the perfect watertightness is ensured by completely separating the stator and the rotor constituting the driving unit with a diaphragm, thereby obtaining a safe underwater operation.
- FIG. 1 is an exemplary perspective view of an underwater scooter equipped with a propulsion apparatus for underwater driving according to the present invention.
- FIG 2 is an exemplary side view of an underwater scooter equipped with a propulsion device for underwater driving according to the present invention.
- FIG 3 is a cross-sectional view showing an exemplary installation structure of the underwater driving propulsion device according to the present invention.
- the propulsion device for underwater driving according to the present invention is mounted on the stern rear surface of the hull 10 constituting the underwater scooter.
- the hull 10 has a streamlined shape as a whole, it is configured so that the diver can hold the handle 20, steering while lying on the upper surface of the hull 10.
- the propulsion device for underwater driving includes a drive unit housing 100 and the propulsion unit housing 200.
- a motor (Motor) is built in the drive unit housing 100, and the drive unit housing 200 is fixed to the drive shaft 210 and the drive shaft 210 to be rotated by the power of the motor is rotated together
- the propeller 220 is built to generate a driving force.
- the drive unit housing 100 and the propulsion unit housing 200 is coupled to each other detachably assembled.
- the motor is an alternating current motor as a PMAC (Permanment Magnet Alternative Current) motor
- the stator 110 and the rotor 120 is provided in a form facing each other.
- the stator 110 is a coil wound around the core, and is firmly fixed to the inside of the drive unit housing 100 by a front bracket 112 for tightly fixing one side of the drive unit housing 100, and the rotor. 120 is a structure in which a permanent magnet is attached to the disk plate and is rotatably installed while facing the stator 110 integrally fixed to the drive shaft 210.
- the rotor 120 is preferably integrated in the form of a key fixed on the drive shaft (210).
- a shear bearing 132 is interposed between the center of the rear bracket 114 and the drive shaft 210 for smooth rotation of the drive shaft 210, and spaced toward the shear bearing 132 and the propeller 220.
- a rear end bearing 134 is installed at the point to support the drive shaft 210 to rotate smoothly.
- a portion enclosed by the front bracket 112 and the rear bracket 114 constitutes the drive unit housing 100, and a stator 110 and a rotor 120 are installed therein.
- the present invention further includes a separation plate 140 that completely partitions between the stator 110 and the rotor 120.
- the separation plate 140 is disposed to close the stator 110 in a state in which the separation plate 140 is in close contact with the plate bracket 150 and the stator 110 while being supported by the plate bracket 150. do.
- the separation plate 140 forms a space of about 0.5-1.5 mm, that is, an air gap with the rotor 120, and thus does not affect the rotational driving of the rotor 120.
- the separation plate 140 is a source of the water flows toward the stator 110 when the water penetrates through the drive shaft 210 by completely separating the stator 110 from the rotor 120 side. Is blocked.
- the reason for installing the space (S) and the separation plate 140 formed as described above is a very important concept, it is easy to seal the gap that does not flow, but it is obvious that the sealing between the flow member is very difficult to be.
- the rotating drive shaft 210 should be connected to the rotor 120 constituting the motor.
- the propeller 220 in direct contact with water in water is attached to the drive shaft 210, the water is easily moved to the rotor 120 and the stator 110 by riding the rotating drive shaft 210.
- To seal the drive shaft 210 a number of times but because the drive shaft 210 is a rotating fluid it is not easy to seal to have a perfect water tightness, in particular close to the perfect seal (water-tight) due to the characteristics of equipment operated under water pressure ) Is not easy to implement.
- stator 110 when water leakage occurs due to water leakage, electrical shorts, short circuits, sparks, short circuits, and the like occur on the stator 110, which threatens the safety of underwater use, as well as the risk of electric shock. It causes a very serious problem.
- the present invention is not simply a diaphragm, but the water introduced in any way along the drive shaft 210 while forming a constant space (S) between the stator 110 and the rotor 120 is stator 110 By completely blocking between the stator 110 and the rotor 120 so that it can be removed by trapping in the space (S) so as not to fall at all to ensure the watertight close to perfection.
- the drive shaft 210 is completely supported by the front and rear bearings 132 and 134 so as not to penetrate the stator 110 differently from the existing one, and thus the watertightness is further maximized.
- the structure of the present invention such a thing hardly occurs, but even if a very small amount of water flows in through the drive shaft 210 which is a shaft, the heat generated during rotation flow of the drive shaft 210, the rotor 120, or the like.
- the rotor 120 is easily dried by the rotor 120 so as to communicate with each other such that the spaces S and R can be drained from the space S to the space R inside the rear bracket 114 when not dried.
- Orifices may be formed in a portion of the.
- the present invention is configured so that the rotor 120 is a permanent magnet so as not to affect even if water is introduced from the rotor 120 side, so that electricity does not pass, so it is not a problem.
- the space R extends toward the outer circumferential surface of the rotor 120 and is made by a plate bracket 150 and a rear bracket 114 interposed between the driving unit housing 100 and the rear bracket 114. .
- the surface of the rotor 120 is coated with a coating film so as not to affect the driving of the rotor 120, that is, to maintain the function and durability of the magnet. Even better).
- the drive shaft 210 is disposed through the drive shaft housing 212 connected to the rear bracket 114, the rear end bearing 134 for supporting the drive shaft 210 is rotated in the drive shaft housing 212 It is built.
- the drive shaft 210 is supported to be smoothly rotated by the front bearing 132 and the rear bearing 134 installed at the center of the rear bracket 114.
- a seal housing 230 is connected to the rear end of the drive shaft housing 212, and a seal 232 contacting the outer circumferential surface of the drive shaft 210 is built into the seal housing 230 to prevent water from flowing therein. Done.
- the propeller 220 is mounted on the outside of the seal housing 230, the retainer 234 is further installed to seal the water flowing from the outside is sealed again.
- a plurality of inlet holes 240 are formed on the outer circumferential surface of the propulsion unit housing 200, and the water introduced through the inlet holes 240 is sprayed to the rear of the underwater scooter through the propeller 220 to generate propulsion force. do.
- a diffuser 250 is installed at the innermost end of the propulsion unit housing 200 to guide and discharge the fluid in a linear direction to increase propulsion efficiency, and a bushing 250 is provided at the center of the diffuser 250.
- the rear end of the drive shaft 210 is fitted to the bushing 250 to be rotatably supported.
- the present invention further includes the rotor 120 as a permanent magnet in a state in which the watertight structure is provided several times by the retainer 234, the seal housing 230, the seal 232, and the like.
- 120 and the drive shaft 210 is provided in the form of attaching a separate separation plate 140 to the rotor 120 to be completely separated from the stator 110, between the separation plate 140 and the rotor 120 By forming the space (S) to achieve a near-perfect sealing to ensure the safety when using underwater.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Motor Or Generator Frames (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Description
Claims (5)
- 모터가 내장된 구동부하우징(100)과, 상기 구동부하우징(100)에 접속되고 반경방향으로 다수의 유입구멍(240)이 형성되며 프로펠러(220)와 모터의 동력을 전달받아 프로펠러(220)를 회전시키는 구동축(210)이 내장된 추진부하우징(200)을 포함하는 수중구동용 추진장치에 있어서;상기 모터는 고정자(110)와 회전자(120)로 이루어지되,상기 고정자(110)는 코어에 코일이 감긴 형태이고, 상기 회전자(120)는 영구자석 형태이며;상기 구동축(210)은 일단이 상기 회전자(120)의 중심을 관통하여 서로 일체로 고정되고;상기 회전자(120)와 고정자(110) 사이는 분리격판(140)으로 구획분리되되, 분리격판(140)과 회전자(120) 사이는 에어갭을 갖도록 상기 분리격판(140)이 구동부하우징(100)에 고정된 격판브라켓(150)에 의해 고정지지되며;상기 구동축(210)의 일단도 상기 분리격판(140)과 떨어진 채 유지되고, 분리격판(140)과 구동축(210)과 회전자(120) 사이에는 공간(S)이 형성되도록 상기 회전자(120)의 일측면 일부가 요입 형성된 것을 특징으로 하는 수중구동용 추진장치.
- 청구항 1에 있어서;상기 에어갭은 0.5-1.5mm인 것을 특징으로 하는 수중구동용 추진장치.
- 청구항 1에 있어서;상기 회전자(120)에는 오리피스가 형성되어 상기 공간(S) 내부로 유입된 물을 분리격판(140) 반대측인 상기 회전자(120) 외측 공간으로 배출할 수 있도록 구성된 것을 특징으로 하는 수중구동용 추진장치.
- 청구항 1에 있어서;상기 회전자(120)는 표면이 방수코팅된 것을 특징으로 하는 수중구동용 추진장치.
- 청구항 1에 있어서;상기 구동축(210)은 한 쌍의 전,후단베어링(132,134)에 의해 회전지지되면서 회전자(120)를 관통하여 일체로 고정되되, 고정자(110)는 관통하지 않고 분리 구성된 것을 특징으로 하는 수중구동용 추진장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/119,892 US20150217847A1 (en) | 2012-09-12 | 2012-10-05 | Propulsion apparatus for underwater driving |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2012-0100902 | 2012-09-12 | ||
KR1020120100902A KR101209563B1 (ko) | 2012-09-12 | 2012-09-12 | 수중구동용 추진장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014042304A1 true WO2014042304A1 (ko) | 2014-03-20 |
Family
ID=47907131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2012/008068 WO2014042304A1 (ko) | 2012-09-12 | 2012-10-05 | 수중구동용 추진장치 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20150217847A1 (ko) |
KR (1) | KR101209563B1 (ko) |
WO (1) | WO2014042304A1 (ko) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015100499B4 (de) * | 2015-01-14 | 2021-04-08 | Cayago Tec Gmbh | Schwimm- und Tauchhilfe |
DE102015100501B4 (de) * | 2015-01-14 | 2023-05-17 | Cayago Tec Gmbh | Unterwasser-Antriebs-Einheit |
DE102015000259B4 (de) * | 2015-01-16 | 2016-12-29 | Cayago Gmbh | Schwimm- und Tauchhilfe |
FR3064977B1 (fr) * | 2017-04-06 | 2021-02-12 | Visit Seabed France | Systeme de propulsion sous-marin |
KR101840784B1 (ko) * | 2017-10-30 | 2018-03-22 | (주)서브테크 | 잠수부용 추진장치 |
CN114987729B (zh) * | 2022-05-30 | 2024-03-26 | 中国船舶重工集团公司第七一九研究所 | 集成电机推进装置及船舶 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR930021497A (ko) * | 1992-04-29 | 1993-11-22 | 엠. 피. 린치 | 일체로 형성된 모터를 갖는, 선박용 추진장치 |
KR20080056147A (ko) * | 2005-07-05 | 2008-06-20 | 마린 프로펄션 테크놀로지스, 인코포레이티드 | 선박용 다중 노즐 벤투리 시스템 |
KR20110132701A (ko) * | 2010-06-03 | 2011-12-09 | 박태규 | 일체형 수중추진장치 |
KR20120034887A (ko) * | 2010-10-04 | 2012-04-13 | 박태규 | 수중 스쿠터용 구동부 추진부 일체형 추진장치 |
-
2012
- 2012-09-12 KR KR1020120100902A patent/KR101209563B1/ko not_active IP Right Cessation
- 2012-10-05 US US14/119,892 patent/US20150217847A1/en not_active Abandoned
- 2012-10-05 WO PCT/KR2012/008068 patent/WO2014042304A1/ko active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR930021497A (ko) * | 1992-04-29 | 1993-11-22 | 엠. 피. 린치 | 일체로 형성된 모터를 갖는, 선박용 추진장치 |
KR20080056147A (ko) * | 2005-07-05 | 2008-06-20 | 마린 프로펄션 테크놀로지스, 인코포레이티드 | 선박용 다중 노즐 벤투리 시스템 |
KR20110132701A (ko) * | 2010-06-03 | 2011-12-09 | 박태규 | 일체형 수중추진장치 |
KR20120034887A (ko) * | 2010-10-04 | 2012-04-13 | 박태규 | 수중 스쿠터용 구동부 추진부 일체형 추진장치 |
Also Published As
Publication number | Publication date |
---|---|
US20150217847A1 (en) | 2015-08-06 |
KR101209563B1 (ko) | 2012-12-07 |
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