CN102434213B - Power conversion device - Google Patents
Power conversion device Download PDFInfo
- Publication number
- CN102434213B CN102434213B CN 201110386575 CN201110386575A CN102434213B CN 102434213 B CN102434213 B CN 102434213B CN 201110386575 CN201110386575 CN 201110386575 CN 201110386575 A CN201110386575 A CN 201110386575A CN 102434213 B CN102434213 B CN 102434213B
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- CN
- China
- Prior art keywords
- piston
- housing
- crank
- working
- working surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000006243 chemical reaction Methods 0.000 title abstract description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000008859 change Effects 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000009466 transformation Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
- F04B43/123—Machines, pumps, or pumping installations having flexible working members having peristaltic action using an excenter as the squeezing element
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/08—Machines, pumps, or pumping installations having flexible working members having tubular flexible members
- F04B43/082—Machines, pumps, or pumping installations having flexible working members having tubular flexible members the tubular flexible member being pressed against a wall by a number of elements, each having an alternating movement in a direction perpendicular to the axes of the tubular member and each having its own driving mechanism
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
- F04B43/14—Machines, pumps, or pumping installations having flexible working members having peristaltic action having plate-like flexible members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Motors (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention relates to a power conversion device, comprising a shell, a piston group and a crankshaft mechanism, wherein the shell is a rectangular tubular structure with two ends open; the two opposite inner walls of the shell are working surfaces and other two opposite inner walls thereof are sliding surfaces; each piston in the piston group has two working surfaces, two sliding surfaces and two combined surfaces; the pistons are arranged in parallel with the combined surfaces adjacent to each other to form the piston group; the piston group in the shell is arranged along the axle direction of the shell; each piston is provided with an independent piston rod with the same length; the crankshaft mechanism is arranged on the outer part of the shell; the crankshaft mechanism is composed of a crankshaft and a crank; the number of the crank throws on the crankshaft is equal to the number of the pistons in the piston group; each crank is connected with the corresponding piston rod. The advantages of the invention are as follows: the power conversion device combines the advantages of a reciprocating piston cylinder and a turbine; the power conversion device has characteristics of simple structure, simple manufacturing process and high power conversion ratio; the power conversion device can achieve large scale for equipments through modularization combination.
Description
Technical field
The present invention relates to a kind of power-converting machinery device, the pressure of fluid and the mechanical efficient conversion mutually of rotating force can be belonged to the mechanical field that can carry out power-converting.
Background technique
Power-converting machinery device is divided into motor and propulsion device (pump) two big classes according to purposes; Mainly contain turbine (propeller cavitation) and two kinds of forms of reciprocating piston cylinder according to structural division, these two kinds of heteroid power switching devices can both be for the manufacture of motor and propulsion device (pump).For example: the reciprocating piston cylinder is both for the manufacture of explosive motor, also for the manufacture of reciprocating pump; Turbine (propeller cavitation) is both for the manufacture of wind-force and hydraulic engine, also for the manufacture of propulsion device and pump.
The principle of above-mentioned power switching device and technology are openly popularized in contemporary society, machinery also extensive use, for example marine propeller, gas compressor, internal-combustion engine, steam turbine, water turbine etc. in daily production and life according to above-mentioned principle manufacturing.Turbine mainly is made up of shell, rotor and blade, and advantage is simple structure, and the cost of making high-power machinery is lower, and shortcoming is that the power transformation ratio is lower.The reciprocating piston cylinder unit mainly is made up of bent axle, piston, cylinder, and advantage is that the power transformation ratio is higher relatively, but complex structure, the requirement on machining accuracy height of parts, the manufacture cost height of main equipment.
Summary of the invention
The purpose of this invention is to provide a kind of power switching device, combine two kinds of mechanical devices of reciprocating piston cylinder and turbine in constructional characteristics separately, the barreled housing of the both ends open of existing turbine passes through fluid fast, there are reciprocating piston cylinder and bent axle that the transformation ratio of kinetic energy is improved again, and adopting modularization to realize the miniaturization of equipment enlarging bent axle later on, reduce device fabrication difficulty and manufacture cost.
The objective of the invention is to be realized by following mode:
Power switching device of the present invention comprises housing, piston group, crank mechanism, and wherein: housing is the rectangle tubular structure of both ends open, and two relative inwalls of housing are working surface, and two other relative inwall is slip surface; The piston group at least by four independently piston constitute, each piston all has two working surfaces, two slip surfaces and two combinating faces, two working surfaces of piston, two working surfaces with housing respectively are relative, two slip surfaces contact with two slip surfaces of housing, constitute the piston group with the adjacent arrangement arranged side by side of combinating face between the piston, the piston group in housing along the housing axially-aligned; Each piston is provided with an independently piston rod of equal length, and the piston rod of all pistons all is located on the working surface of piston phase the same side in the piston group, and piston rod passes hole default on the housing working surface and extends to outside the housing; Crank mechanism is located at outside, crank mechanism is made of bent axle, crank, crank throw quantity on the bent axle equates with number of pistons in the piston group, a crank is arranged on each crank throw, each crank all is connected with corresponding piston rod, the total torsion ÷ n of phase angle=bent axle between adjacent crank throw, the total torsion of bent axle 〉=360 °, n is the crank throw number.
The working surface of described housing and working surface of piston are the planes, or the working surface of housing has projection;
Described piston is the column structure of rectangle or H shape;
When the inwall of housing has projection, be provided with the groove that matches with projection at the corresponding surface of piston;
Described piston group is to arrange and operation with sinusoidal form around the medial axis of housing;
The working surface of the piston in the described piston group is homalographic, or from left to right by the scaled version gradual change;
Described housing can be housing independently, also can be the part of other equipment;
Described housing becomes a separate equipment working cell with the piston fabric, two or more working cells can be made up side by side, compound mode is: in the adjacent housing between the corresponding piston by the connecting rod serial connection of equal length, this parallel equipment working cell can share same crank mechanism.
Power switching device of the present invention can use as propulsion device or motor.
Advantage of the present invention is: combines the advantage of reciprocating piston cylinder and two kinds of mechanical devices of turbine, has simple structure, manufacturing process is simple, and the characteristics that the power transformation ratio is high, and can realize the maximization of equipment by modular combination.
Description of drawings
Fig. 1 is essential structure schematic representation of the present invention, and the total torsion of bent axle of this working cell correspondence is 360 °;
Fig. 2 is rectangle column structure of piston schematic representation of the present invention;
Fig. 3 is the structural representation of H shape plunger piston of the present invention;
Fig. 4 be the working surface of the piston in the piston group from left to right with the working cell schematic representation of scaled version gradual change, the total torsion of bent axle of this working cell correspondence should be greater than 540 °;
Fig. 5 to Figure 13 is that the working cell that is made of 4 pistons is in crankshaft rotating during one week, each piston back and forth moves and gets back to the phase diagram of a work cycle of initial position in the piston group from initial position, the working surface that housing working surface among the figure is provided with projection, piston is provided with groove, projection dislocation on two working surfaces of shell is spaced, groove on the working surface of piston is positioned at two Liang Jiaochu that the working surface oblique line is relative, the projection work that matches with groove, the state of having indicated the groove of piston to match with the projection of housing working surface among the figure;
Figure 14 is the structural representation that plural working cell is made up back and a bent axle formation large-scale plant side by side.
Among the figure: 1. housing, the projection on the 11. housing housings, 2. piston group, the piston in 2a～2l. piston group, on 21. pistons with housing on protruding corresponding groove, 3. piston rod, 4. crank, 5. bent axle, 6. connecting rod.
Embodiment
With reference to accompanying drawing 1, power switching device of the present invention comprises shell 1, piston group 2, crank mechanism, and wherein: housing 1 is the rectangle tubular structure of both ends open, and two relative inwalls of housing are working surface, and two other relative inwall is slip surface; Piston group 2 by 2a～210 two independently piston constitute, each piston all has two working surfaces, two slip surfaces and two combinating faces, two working surfaces of piston, two working surfaces with housing respectively are relative, two slip surfaces contact with two slip surfaces of housing, constitute the piston group with the adjacent arrangement arranged side by side of combinating face between the piston, the piston group in housing along the housing axially-aligned; Each piston is provided with an independently piston rod 3 of equal length, and the piston rod of all pistons all is located on the working surface of piston phase the same side in the piston group, and piston rod passes hole default on the housing working surface and extends to outside the housing; Crank mechanism is located at outside, crank mechanism is made of bent axle 5, crank 4, crank throw quantity on the bent axle equates with number of pistons in the piston group, a crank 4 is arranged on each crank throw, each crank all is connected with corresponding piston rod, the total torsion ÷ n of phase angle=bent axle between adjacent crank throw, the total torsion of bent axle 〉=360 °, n is the crank throw number.After the crank mechanism of the power switching device that motor and the present invention is shown in Figure 1 is connected, the power that motor provides drives crank mechanism rotation and driven plunger to-and-fro motion, fluid is sucked from the right output of another section from the left end of housing, and this constitutes a kind of propulsion device.This propulsion device is applied to boats and ships can drives ship's navigation.Large ship adopts the present invention's multiple-unit shown in Figure 14 and array apparatus to substitute screw propeller as propulsion device, can overcome cavity effect and cavitation effect, improve headway, manufacture cost and operating cost also are lower than existing large-scale spiral oar and reciprocating pump propulsion device.
The pipeline that high-pressure liquid is provided is linked to each other with housing one end of the present invention's power switching device shown in Figure 1 and import highly pressurised liquid, the pressure reduction at housing two ends can the to-and-fro motion of driven plunger group when ordering about liquid and flow to the other end from housing one end and is driven crankshaft rotating, and this constitutes a kind of motor.This working cell can be used in hydroelectric power according to the hydraulic engine that multiple-unit shown in Figure 14 makes up manufacturing side by side.
When working medium is gas, after the crank mechanism of the power switching device that the working cell that motor and the present invention's working surface of piston shown in Figure 4 are diminished from left to right gradually constitutes is connected, the power that motor provides drives crank mechanism rotation and driven plunger to-and-fro motion, the density of gas was compressed when gas was exported from right-hand member from the left end suction of housing, and this constitutes a kind of gas compressor.Use one group of above this working cell gas density that can make connected in series to be compressed continuously.
Pipeline and the present invention of high-pressure liquid are shown in Figure 4 with providing, the housing right-hand member of the power switching device that the working cell that working surface of piston diminishes from left to right gradually constitutes links to each other and the input pressurized gas, the pressure reduction at housing two ends can the to-and-fro motion of driven plunger group when ordering about gas and flow to left end from the housing right-hand member and is driven the crank mechanism rotation, and gas density reduces gradually in this course, pressure obtains discharging gradually.This working cell can be for the manufacture of steam engine after making up according to the mode of Figure 14 is arranged side by side
Power switching device of the present invention since the roadability of crank mechanism and piston group cause, be in the period in cycle with one week of crankshaft rotating, exist all working surfaces of piston all to break away from the phenomenon of housing working surface, phenomenon appears connecting in these period inner housing two ends, when working medium is gas or the number of pistons that constitutes the piston group more after a little while, can cause the serious decline of kinetic energy transformation efficiency, extremely shown in Figure 13 as Fig. 5, constituted the propulsion device of piston group by four pistons, crankshaft rotating is during to special angle, the working surface of four pistons all breaks away from the working surface of housing, working surface at housing increases projection 11, working surface at piston increases the groove 21 that matches with the projection of working surface, can address this problem.
Claims (7)
1. a power switching device comprises housing, piston group, crank mechanism, it is characterized in that: housing is the rectangle tubular structure of both ends open, and two relative inwalls of housing are working surface, and two other relative inwall is slip surface; The piston group at least by four independently piston constitute, each piston all has two working surfaces, two slip surfaces and two combinating faces, two working surfaces of piston, two working surfaces with housing respectively are relative, two slip surfaces contact with two slip surfaces of housing, constitute the piston group with the adjacent arrangement arranged side by side of combinating face between the piston, the piston group in housing along the housing axially-aligned; Each piston is provided with an independently piston rod of equal length, and the piston rod of all pistons all is located on the working surface of piston phase the same side in the piston group, and piston rod passes hole default on the housing working surface and extends to outside the housing; Crank mechanism is located at outside, crank mechanism is made of bent axle, crank, crank throw quantity on the bent axle equates with number of pistons in the piston group, a crank is arranged on each crank throw, each crank all is connected with corresponding piston rod, the total torsion ÷ n of phase angle=bent axle between adjacent crank throw, the total torsion of bent axle 〉=360 °, n is the crank throw number.
2. power switching device according to claim 1, it is characterized in that: the working surface of housing and working surface of piston are the planes.
3. power switching device according to claim 1 is characterized in that: on the working surface of housing projection is arranged.
4. power switching device according to claim 3 is characterized in that: at working surface of piston protruding corresponding groove on the working surface with housing is arranged.
5. power switching device according to claim 1 is characterized in that: the piston group is to arrange and operation with sinusoidal form around the medial axis of housing.
6. power switching device according to claim 1, it is characterized in that: the working surface of the piston in the piston group is homalographic, or the right-hand member from the left end of housing to housing is by the scaled version gradual change.
7. power switching device according to claim 1, it is characterized in that: housing becomes a separate equipment working cell with the piston fabric, two or more working cells can be made up side by side, compound mode is: in the adjacent housing between the corresponding piston by the connecting rod serial connection of equal length, this parallel equipment working cell shares same crank mechanism.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110386575 CN102434213B (en) | 2011-11-18 | 2011-11-18 | Power conversion device |
| PCT/CN2012/001514 WO2013071695A1 (en) | 2011-11-18 | 2012-11-09 | Power conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110386575 CN102434213B (en) | 2011-11-18 | 2011-11-18 | Power conversion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102434213A CN102434213A (en) | 2012-05-02 |
| CN102434213B true CN102434213B (en) | 2013-08-14 |
Family
ID=45982534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110386575 Expired - Fee Related CN102434213B (en) | 2011-11-18 | 2011-11-18 | Power conversion device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102434213B (en) |
| WO (1) | WO2013071695A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434213B (en) * | 2011-11-18 | 2013-08-14 | 许平 | Power conversion device |
| CN104675436A (en) * | 2014-12-15 | 2015-06-03 | 夏同春 | Water-steam dual-purpose double-cylinder variable-cylinder-barrel piston power unit |
| CN105888961B (en) * | 2016-05-17 | 2017-11-14 | 上海理工大学 | A kind of wave device and fluctuation TRT |
| CN108435395A (en) * | 2018-02-07 | 2018-08-24 | 江苏大隆凯科技有限公司 | It saves the kind of drive of power and includes the broken line of the equipment using this mode |
| CN110439776A (en) * | 2019-07-24 | 2019-11-12 | 中国长城葡萄酒有限公司 | Liquid delivery pump |
| CN114109705A (en) * | 2021-11-30 | 2022-03-01 | 上海理工大学 | Traveling wave pumped storage power generation system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2323009A1 (en) * | 1975-09-05 | 1977-04-01 | Kiener Karl | Reciprocating piston IC engine - has isothermally compressed air heated by exhaust gases and split for delivery to combustion chamber in cylinder head |
| US5899067A (en) * | 1996-08-21 | 1999-05-04 | Hageman; Brian C. | Hydraulic engine powered by introduction and removal of heat from a working fluid |
| CN2806813Y (en) * | 2005-05-28 | 2006-08-16 | 崔永福 | Air pressure driven engine |
| CN101839392A (en) * | 2009-03-20 | 2010-09-22 | 动力科技发展有限公司 | High compressed air cylinder filling machine |
| CN201679520U (en) * | 2010-05-10 | 2010-12-22 | 何正品 | Air mechanical power head |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1433960A (en) * | 1974-10-23 | 1976-04-28 | Sigma Hranice Np | Pump |
| US4683720A (en) * | 1985-08-30 | 1987-08-04 | Shon Dennis A De | Buoyancy engine utilizing pistons and crankshaft |
| DE102006002925B4 (en) * | 2006-01-20 | 2010-02-25 | Meta Motoren- Und Energie-Technik Gmbh | Method for converting thermal energy into mechanical work and internal combustion engine |
| CN101403318A (en) * | 2008-11-17 | 2009-04-08 | 张光陆 | Pneumatic engine for cars |
| CN102434213B (en) * | 2011-11-18 | 2013-08-14 | 许平 | Power conversion device |
-
2011
- 2011-11-18 CN CN 201110386575 patent/CN102434213B/en not_active Expired - Fee Related
-
2012
- 2012-11-09 WO PCT/CN2012/001514 patent/WO2013071695A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2323009A1 (en) * | 1975-09-05 | 1977-04-01 | Kiener Karl | Reciprocating piston IC engine - has isothermally compressed air heated by exhaust gases and split for delivery to combustion chamber in cylinder head |
| US5899067A (en) * | 1996-08-21 | 1999-05-04 | Hageman; Brian C. | Hydraulic engine powered by introduction and removal of heat from a working fluid |
| CN2806813Y (en) * | 2005-05-28 | 2006-08-16 | 崔永福 | Air pressure driven engine |
| CN101839392A (en) * | 2009-03-20 | 2010-09-22 | 动力科技发展有限公司 | High compressed air cylinder filling machine |
| CN201679520U (en) * | 2010-05-10 | 2010-12-22 | 何正品 | Air mechanical power head |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013071695A1 (en) | 2013-05-23 |
| CN102434213A (en) | 2012-05-02 |
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Granted publication date: 20130814 |