CN101565085A - Inflatable drag-reducing high-speed skimming boat with wedge-shaped steps - Google Patents
Inflatable drag-reducing high-speed skimming boat with wedge-shaped steps Download PDFInfo
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- CN101565085A CN101565085A CNA2008102174746A CN200810217474A CN101565085A CN 101565085 A CN101565085 A CN 101565085A CN A2008102174746 A CNA2008102174746 A CN A2008102174746A CN 200810217474 A CN200810217474 A CN 200810217474A CN 101565085 A CN101565085 A CN 101565085A
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Abstract
The invention provides an inflatable drag-reducing high-speed skimming boat with wedge-shaped steps. The boat is mainly characterized in that the bottom of the boat is provided with small wedge-shaped steps with different quantity; the periphery of the steps is provided with triangular shield strips preventing air from escaping; the wedge-shaped steps are provided with inflation pipes and are connected with an air compressor; and according to a database established based on the relation among comprehensive parameters of the wedge-shaped steps, power and boat resistance, the inflation of the wedge-shaped steps is controlled by utilizing a computer program so as to achieve the aims of inflating the wedge-shaped steps, reducing wet surface area, reducing resistance and raising boat speed under the same power. The inflatable drag-reducing high-speed skimming boat with the wedge-shaped steps has the following advantages of partially realizing the effect of resistance reduction of a stepped boat on the premise of not increasing overall design for the skimming boat; and applying computers to dynamically controlling the inflation of the wedge-shaped steps so as to improve the inflation effect of the wedge-shaped steps and reduce the power loss.
Description
Technical field
This invention is applied to High Performance ships and light boats field, is specially inflatable drag-reducing high-speed skimming boat with wedge-shaped steps.
Background technology
A disconnected level glider comes from hydroairplane, and purpose is the stability when being used for guaranteeing to take off.The purpose of the disconnected level of design is exactly by reducing the deg area of hull, reduce viscosity drag, can keeping high hydrodynamic lift simultaneously.For the attainment of one's purpose, being provided with of disconnected level must be satisfied two conditions: the condition that flow separation and disconnected level back form ventilation takes place for disconnected level place in first; Second is the length of the ventilation zone of hull lower surface.Any one has all increased slide boat design-calculated difficulty in the above-mentioned condition.Simultaneously, the disconnected level of slide boat be provided with ships and light boats be divided into a plurality of planing surfaces from a planing surface, it is good handling then to require ships and light boats to have, design difficulty increases greatly.Therefore, although disconnected level gear has the advantage of fine speed,, the design effort amount of disconnected level high speed slide boat will be far longer than the design of common slide boat.Utilize existing slide boat design, suitably draw the advantage of disconnected level, this just becomes a departure point of our invention inflatable drag-reducing high-speed skimming boat with wedge-shaped steps.We have kept the original whole planing surface of slide boat by the inflatable drag-reducing high-speed skimming boat with wedge-shaped steps of invention substantially, promptly do not increase the handling requirement of slide boat; Two conditions that level must be considered that do not have to break are increased in the ships and light boats design, promptly adopt disconnected level of little wedge shape and Air compressor inflation to realize, have kept original ships and light boats design.But inflatable drag-reducing high-speed skimming boat with wedge-shaped steps but has the characteristics of the disconnected level of part ships and light boats, i.e. in the ships and light boats navigation, reduced wetted surface area, has lowered resistance, has improved the speed of a ship or plane with ships and light boats under the power.
Summary of the invention
Invent a kind of inflatable drag-reducing high-speed skimming boat with wedge-shaped steps, be primarily characterized in that, portion is provided with the disconnected level of wedge shape that little quantity does not wait alow, and the periphery of disconnected level is equipped with the triangle guard strip that anti-air is escaped.The disconnected level of wedge shape place is provided with appendix, and connects Air compressor.The data bank of setting up according to the relation between the disconnected level of wedge shape comprehensive parameters-power-boat resistance, utilize computer program to the control of wedge shape step ventilation, realize the place's inflation of the disconnected level of wedge shape, reduce wetted surface area, reduce resistance, reach purpose with the raising ships and light boats speed of a ship or plane under the power.
Description of drawings
Fig. 1 inflatable drag-reducing high-speed skimming boat with wedge-shaped steps structural representation.
Fig. 2 inflatable drag-reducing high-speed skimming boat with wedge-shaped steps structure A-A schematic cross section.
Accompanying drawing: 1-stem, 2-ship stern, the disconnected level of 3-wedge shape, 4-hull bottom, 5-hull top, 6-guard strip, the miniature wave suppression plate of 7-, 8-section axis.
Fig. 3 wedge shape level work principle schematic of breaking.
The disconnected level of Fig. 4 wedge shape dimensional parameters scheme drawing.
Accompanying drawing: 9-Air compressor, 10-inflation line, 11-air valve, 12-waterline, 13-waterline, 14-computing machine.
The specific embodiment
(a) inflatable drag-reducing high-speed skimming boat with wedge-shaped steps is arranged
Fig. 1,2 have provided the inflatable drag-reducing high-speed skimming boat with wedge-shaped steps scheme drawing.The disconnected level 3 of wedge shape is arranged on hull bottom 4, and the disconnected level 3 of a plurality of little wedge shapes can be set.And the disconnected level 3 of wedge shape is arranged along section axis 8 and is symmetrically distributed.Disconnected level 3 peripheries of wedge shape are installed the triangle guard strips 6 that anti-air is escaped, and prevent escape of gas behind the step ventilation.When the hull rolling, baffle plate also can play the effect that prevents that air from escaping, and keeps the effect of inflation drag reduction as much as possible.Simultaneously, the existence of guard strip has increased hull laterally to the area of conter of water body, and it is rotating handling to have improved hull.The guard strip front portion is provided with miniature pressure wave device 7, reduces the guard strip resistance and changes the waterline that current enter the disconnected level of wedge shape place, as the waterline 13 of Fig. 3.Fig. 4 has provided the parameter of the disconnected level 3 of wedge shape, comprises the height H 2 of height H 1, length L 1, guard strip 6 and the length L 2 of miniature wave suppression plate 7, and these parameters will directly have influence on hull resistance.
(b) wedge shape step ventilation drag reduction
Fig. 3 has provided the implementation procedure of wedge shape step ventilation drag reduction.Wherein Air compressor 9 provides pressure air by loading line 10 for the disconnected level 3 of wedge shape, as the disconnected level air pressure P1 of place during greater than the moving hydraulic pressure P2 of water body, i.e. and P1＞P2, disconnected level place 3 will be full of air, reduce the hull wetted surface area, realize the purpose of drag reduction.The existence of miniature wave suppression plate 7 makes the waterline position difference that flows to the disconnected level of wedge shape, as waterline 12 and 13, wherein 12 when not having miniature wave suppression plate waterline position, 13 exist waterline position for miniature wave suppression plate.Therefore, the size of miniature wave suppression plate is also considered in the lump as the disconnected level of wedge shape comprehensive parameters.Wedge shape step ventilation purpose is to be full of pressure air at disconnected level place, forms air curtain and reduces the hull wetted surface area.Before carrying out drag reduction control, need it is demarcated, comprise three aspects: (1) determines the dimension synthesis parameter of the disconnected level of wedge shape according to the curve of resistance of selected ship type, to guarantee excellent properties.Here, we have selected the captain less than 16 meters ship types, it is that 15 centimetres, length L 1 are that 35 centimetres, the height H 2 of guard strip 6 are that the length L 2 of 3 centimetres and miniature wave suppression plate 7 is 15 centimetres that the disconnected level of its wedge shape is of a size of height H 1, and these sizes have guaranteed that the disconnected level of a wedge shape place air curtain provides the drag reduction share to be greater than corresponding power in normal following resistance share that can overcome of condition of service.(2), set up disconnected level place and form air curtain power demand curve according to flowing pressure curve under the friction speed of ships and light boats.(3), set up the relation between the disconnected level of wedge shape comprehensive parameters-power-boat resistance, and it is formed data bank, for the dynamic control of computing machine 14 lays the foundation based on above technology.
(c) computer controlled of wedge shape step ventilation
The switch of computing machine 14 one control air valve 11 is realized wedge shape step ventilation drag reduction purpose.Therefore, air valve 11 herein is electronically controlled air valve.The foundation of kinetic control system comprises three parts: first, utilize computing machine C language compilation control degree, the control program that comprises multi-channel Air compressor horsepower output control program and multi-channel air valve switch provides basis of software for dynamically controlling the wedge shape step ventilation.Second portion by the GPS finding speed of ships and light boats, and with it and computing machine communication, is realized the gatherer process of speed.Third part, two parts work before utilizing, according to the data bank of having set up, promptly the relational database between the disconnected level of wedge shape comprehensive parameters-power-boat resistance to the control of wedge shape step ventilation, reaches the purpose of raising with ships and light boats speed under the power condition.Simultaneously, horsepower output and the engine power with Air compressor forms interworking, the dynamic output of realization driving engine, saving watt loss.
(d) inflatable drag-reducing high-speed skimming boat with wedge-shaped steps advantage
Inflatable drag-reducing high-speed skimming boat with wedge-shaped steps of the present invention has the following advantages: 1, utilize existing design of planing boat, Boat bottom arranges the disconnected level of little wedge shape, carries out air entrainment, reduces and resolves grade ship to its handling requirement. 2, appliance computer Software, the database that passes through to set up is controlled the wedge shape step ventilation. 3, the required power output of step ventilation is one Dynamically output procedure has reduced the waste of power like this.
Claims (2)
1. the present invention is a kind of inflatable drag-reducing high-speed skimming boat with wedge-shaped steps, be primarily characterized in that, portion is provided with the disconnected level of wedge shape that little quantity does not wait alow, the periphery of disconnected level is equipped with the guard strip that anti-air is escaped, utilize computer program that the wedge shape step ventilation is controlled, reduce wetted surface area, reduce resistance, reach purpose with the raising ships and light boats speed of a ship or plane under the power;
2. inflatable drag-reducing high-speed skimming boat with wedge-shaped steps according to claim 1 is primarily characterized in that, the periphery of disconnected level is installed anti-air escape guard strip, and guard strip is shaped as triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102174746A CN101565085A (en) | 2008-11-21 | 2008-11-21 | Inflatable drag-reducing high-speed skimming boat with wedge-shaped steps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102174746A CN101565085A (en) | 2008-11-21 | 2008-11-21 | Inflatable drag-reducing high-speed skimming boat with wedge-shaped steps |
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| Publication Number | Publication Date |
|---|---|
| CN101565085A true CN101565085A (en) | 2009-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2008102174746A Pending CN101565085A (en) | 2008-11-21 | 2008-11-21 | Inflatable drag-reducing high-speed skimming boat with wedge-shaped steps |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102556313A (en) * | 2011-12-30 | 2012-07-11 | 深圳市海斯比船艇科技股份有限公司 | Adjustable drive system for surface paddle and boat |
| CN103121495A (en) * | 2013-02-20 | 2013-05-29 | 陈振诚 | Water traffic transportation tool |
| CN104044720A (en) * | 2013-03-15 | 2014-09-17 | 曹漪 | Function conversion device for bottom air spraying of ships and boats |
-
2008
- 2008-11-21 CN CNA2008102174746A patent/CN101565085A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102556313A (en) * | 2011-12-30 | 2012-07-11 | 深圳市海斯比船艇科技股份有限公司 | Adjustable drive system for surface paddle and boat |
| CN102556313B (en) * | 2011-12-30 | 2014-09-03 | 深圳市海斯比船艇科技股份有限公司 | Adjustable drive system for surface paddle and boat |
| CN103121495A (en) * | 2013-02-20 | 2013-05-29 | 陈振诚 | Water traffic transportation tool |
| CN103121495B (en) * | 2013-02-20 | 2015-09-02 | 陈振诚 | A kind of Water traffic transportation tool |
| CN104044720A (en) * | 2013-03-15 | 2014-09-17 | 曹漪 | Function conversion device for bottom air spraying of ships and boats |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| DD01 | Delivery of document by public notice |
Addressee: Hu Zhaohui Document name: Notification to Make Formalities Rectification |
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| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 518067 No. 3 factory building, fishing boat repair base, Shekou fishing port, Guangdong, Shenzhen Applicant after: Shenzhen Highspeed Boat Tech Dev. Co.,Ltd. Address before: 518067 No. 3 factory building, fishing boat repair base, Shekou fishing port, Guangdong, Shenzhen Applicant before: Shenzhen Hispeed Boats Tech. Development Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: SHENZHEN HISPEED BOATS TECH. DEVELOPMENT CO., LTD. TO: SHENZHEN HAISIBI BOATING TECHNOLOGY CO., LTD. |
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20091028 |