CN102031993A - Two-stage expansion piston air motor device - Google Patents
Two-stage expansion piston air motor device Download PDFInfo
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- CN102031993A CN102031993A CN201010622654XA CN201010622654A CN102031993A CN 102031993 A CN102031993 A CN 102031993A CN 201010622654X A CN201010622654X A CN 201010622654XA CN 201010622654 A CN201010622654 A CN 201010622654A CN 102031993 A CN102031993 A CN 102031993A
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Abstract
The invention discloses a two-stage expansion piston air motor device. A reducing valve is connected with an air tank through a hose; one end of a throttling valve is connected with the reducing valve, and the other end of the throttling valve is connected with a valve port at the lower end of an electromagnetic reversing valve; the other valve port is connected with a transition air tank and a heat exchange system; two valve ports at the upper end of the electromagnetic reversing valve are connected with a first-stage cylinder; a piston rod in the first-stage cylinder is connected with the right end of a rack; the left end of the rack is connected with a second-stage cylinder; an upper cylindrical gear is arranged above the rack, and a lower cylindrical gear is arranged below the rack; the rack forms two pairs of gear pairs with the upper gear and the lower gear; two valve ports at the upper end of the electromagnetic reversing valve are connected with two working cavities of the second-stage cylinder through hoses; and a valve port at the lower end of the electromagnetic reversing valve is connected with the transition air tank and the heat exchange system through hoses, and the other valve port is connected with the external environment through a hose. An automobile power device which takes compressed air as a power source can drive a vehicle to run instead of petroleum, diesel oil or liquefied petroleum gas fuel, so that real zero emission of tail gas of automobiles is realized.
Description
Technical field
The present invention relates to use pressurized air as power source, the power plant that can powered vehicle travel, the pneumatic engine device of particularly a kind of double expansion piston type.
Background technique
According to statistics, at present whole world consumption of petroleum amount every day is about 50,000,000 barrels, accounts for 50% and wherein be used for the communications and transportation aspect, therein, automobile account for 80% with oil.The verified oil reserves in the whole world is calculated only available about 40 years by present consumption of petroleum amount at present.Therefore, if still with the unique energy of oil as automobile power, automotive industry will be walked to be at the end soon.On the other hand, vehicle exhaust has become the first pollution sources of pollutant such as CO, NOx and CH in China big city.The great amount of carbon dioxide gas that burning is discharged is the main cause that causes global greenhouse effect.The incomplete combustion of automotive fuel also becomes one of reason that suspending particulate matter increases in the air.
In order to solve or postpone aspect problems such as the energy that automobile industry development brings, environment, modern motor is employed new technology and is reduced discharging and fuel consumption rate.But, no matter be the advanced electron spraying system motor of employing, install TWC Three Way Catalyst System additional, adopt technology such as exhaust gas recirculation, mixed power, still adopt alternative fuel engines such as compressed natural gas, liquefied petroleum gas (LPG), automobile power all is based on internal-combustion engine, can only reduce the discharge amount of dusty gas, can not realize truly " zero-emission ".
Chinese patent CN1851260A has proposed a kind of vehicle motor that uses compressed air, utilizes clean energy resource---and pressurized air promotes steam-cylinder piston, and is similar to ordinary internal combustion engine by the slidercrank mechanism outputting power.Also further investigate in Zhejiang University's thesis for the doctorate " air motor working procedure and key components and parts optimization research ", and on the water-cooled diesel engine basis, transform the expansion experimental study at this driving structure.Though they have utilized pressurized gas to carry out expansion working, but on drive mechanism, still adopt slidercrank mechanism, just work done when its chamber expands the promotion piston, and not work done when the piston revesal is moved, and the not work done of lateral force of crank countercylinder influences system works efficient.
Summary of the invention
The object of the present invention is to provide a kind of automotive powerplant that uses the compressed air source, pressurized air energy gasoline replacing, diesel oil or the LP gas fuel of use, powered vehicle is travelled, and can realize real " zero-emission " of vehicle exhaust.
The technical solution that realizes the object of the invention is: the pneumatic engine device of a kind of double expansion piston type comprises gas tank, one-level cylinder, secondary cylinder, reduction valve, throttle valve, solenoid directional control valve, tooth bar, cogs, lower gear and transition gas tank and heat-exchange system; Reduction valve links to each other with gas tank by flexible pipe, one end of throttle valve connects reduction valve, the other end of throttle valve links to each other with a valve port of solenoid directional control valve lower end, another valve port is connected to transition gas tank and heat-exchange system, two valve ports of solenoid directional control valve upper end are connected to the one-level cylinder, piston rod in the one-level cylinder directly is connected with the right-hand member of tooth bar, and the left end of tooth bar directly links to each other with secondary cylinder; The top of tooth bar is provided with a cylinder and cogs, and the below of tooth bar is provided with a cylinder lower gear, tooth bar with cog and lower gear formed two pairs of gear pairs; Two valve ports of solenoid directional control valve upper end are connected with two active chambers of secondary cylinder respectively by flexible pipe, and a valve port of solenoid directional control valve lower end is connected with transition gas tank and heat-exchange system by flexible pipe, and another valve port is connected to external environment by flexible pipe.
The present invention compared with prior art, its remarkable advantage: (1) the present invention adopts two-stage cylinder expansion working, the exhaust that is the one-level cylinder utilizes dump energy once more as the source of the gas of secondary cylinder, wherein absorbs extraneous portion of energy through over-heat-exchanger again, has improved the energy utilization efficiency.(2) the ouput force direction of cylinder is identical with tooth bar moving direction, no lateral force loss, and energy transfer efficiency is than the piston crank structure height of traditional combustion engine.Two side cavity of (3) cylinders are all as active chamber, the two-way power that provides of to-and-fro motion, and the power output of output shaft is comparatively steady, compact structure.
Description of drawings
Fig. 1 is the pressure control loop system schematic of the pneumatic motor of double expansion piston type of proposition according to the present invention.
Fig. 2 is a mechanical transmission output system schematic representation of the present invention.
Fig. 3, Fig. 4, Fig. 5 and Fig. 6 are that gear unidirectional power of the present invention transmits schematic representation.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Be illustrated in figure 1 as pressure control loop system schematic of the present invention.Comprising a gas tank 1 is arranged, the pressurized gas of 30Mpa is arranged in the gas tank, reduction valve 2 is connected with 1 by flexible pipe, and its effect is the pressurized gas of the 30Mpa 1Mpa that reduces pressure.After throttle valve 3 is connected to reduction valve 2, the effect of throttle valve 3 be can adjustments of gas the flow size.A valve port of the lower end of first solenoid directional control valve 4 is connected to throttle valve 3, and the effect that another valve port is connected to transition gas tank and heat- exchange system 10,10 is the heat that can make the GAS ABSORPTION external environment of process.Two valve ports of 4 upper ends are connected to one-level cylinder 5.The piston rod that the one-level cylinder is 5 li directly is connected with the right-hand member of tooth bar 6, and the left end of tooth bar 6 directly is connected with secondary cylinder 8.Tooth bar 6 a cylindrical gears 7 respectively arranged up and down, tooth bar 6 has been formed two pairs of gear pairs with cog 7-1 and lower gear 7-2.Two valve ports of the upper end of second solenoid directional control valve 9 are connected with two active chambers of secondary cylinder 8 by flexible pipe, and a valve port of 9 lower end is connected with transition gas tank and heat-exchange system 10 by flexible pipe, and another valve port is connected to external environment by flexible pipe.After device is started working, pressurized gas are charged into the right side active chamber of one-level cylinder 5 by first solenoid directional control valve 4 by reduction valve 2 and throttle valve 3 from gas tank 1, after gas in the left side active chamber of one-level cylinder 5 absorbs external heat by heat exchanger 10 simultaneously, charge into the right side active chamber of secondary cylinder 8, pressurized gas in one-level cylinder 5 and the secondary cylinder 8 promotes piston rod and tooth bar 6 simultaneously to left movement, and the gas in the left side active chamber of secondary cylinder 8 is discharged in the external environment.
When moving, tooth bar 6 arrives the end of movement travel left, first solenoid directional control valve 4 and second solenoid directional control valve, 9 intake and exhaust commutation, post-decompression gas charges into the left side active chamber of one-level cylinder 5, the gas that the lastrow journey charges in the right side active chamber of one-level cylinder 5 charges into the left side active chamber of secondary cylinder 8 through heat exchanger 10 simultaneously, pressurized gas in one-level cylinder 5 and the secondary cylinder 8 promotes piston rod simultaneously and tooth bar 6 moves right, and the gas in the secondary cylinder 8 right side active chambers is discharged in the external environment.
When cylinder piston moves to end of travel, make the solenoid directional control valve commutation once more, continue to repeat said process, circulation and so forth drives tooth bar 6 to-and-fro motion.
When moving, tooth bar 6 arrives the end of movement travel left, first solenoid directional control valve 4 and second solenoid directional control valve, 9 intake and exhaust commutation.Cylinder 5 and 8 push rod promote tooth bar 6 and move right.When tooth bar 6 arrives the movement travel of right-hand member, first solenoid directional control valve 4 and second solenoid directional control valve, 9 intake and exhaust commutation, tooth bar reversing motion.Entire work process circulates and so forth.
In conjunction with Fig. 2,3,4,5,6, when cylinder 5 and 8 push rod promote tooth bar 6 motions, drive cog 7-1 and lower gear 7-2 rotation, the 7-1 that cogs connects with unilateral bearing 16 by flat key 18, flat key 17 connection unilateral bearing 16 and transmission shaft 11-1.Gear 12-1 is installed in the other end of transmission shaft 11-1, and gear 12-1 connects with unilateral bearing 19 by flat key 21, and flat key 20 connects unilateral bearing 19 and transmission shaft 11-1.Lower gear 7-2 connects with unilateral bearing 22 by flat key 24, and flat key 23 connects unilateral bearing 22 and transmission shaft 11-2.Gear 12-2 is installed in the other end of transmission shaft 12-2, and gear 12-2 connects with unilateral bearing 25 by flat key 27, and flat key 26 connects unilateral bearing 25 and transmission shaft 11-2.Unilateral bearing 16,19,22 and 25 effect are the transferring power that can only turn clockwise, and another direction can only dally can not transferring power.When tooth bar 6 during to left movement, drive the 7-1 that cogs and turn clockwise, the 7-1 that cogs turns clockwise by transmission shaft 11-1 driven gear 12-1, and driven gear 13 is rotated counterclockwise, and gear 13 is connected with pto 15 by flat key 14.Gear 13 is rotated counterclockwise, and drives pto 15 rotations, output mechanical energy.Simultaneously lower gear 7-2 is rotated counterclockwise, but because unilateral bearing 25 can only turn clockwise transferring power, transmission shaft 11-2 is motionless.When tooth bar 6 moved right, lower gear 7-2 turned clockwise, and drove transmission shaft 11-2 and gear 12-2 rotation, and gear 12-2 driven gear 13 and pto 15 are rotated counterclockwise output mechanical energy then.Cog 7-1 when tooth bar moves right, can not transferring power because of the effect of unilateral bearing 16, transmission shaft 11-1 is motionless.When tooth bar 6 moved back and forth, whole power transmission process circulated and so forth.
Adopt the present invention program to carry out theoretical calculation: to establish the pressurized gas 0.3m that has stored 30Mpa in the gas tank
3, weight is that the dolly of 1000kg is with the speed per hour of 60km/h per hour.Rolling coefficient in road surface is 0.01, and coefficient of air resistance is 0.5, wind-exposuring area 1.5/m
2, air density is 1.2258kg/m
3, machinery driving efficiency is 0.9.
Adiabatic expansion acting makes the automobile 69.4km that can travel, and the isothermal expansion acting can make automobile running 188.5km.General gas acting is between adiabatic expansion acting and the isothermal expansion acting, also is that the distance of travelling of automobile is between 69.4～188.5km.
Claims (10)
1. pneumatic engine device of double expansion piston type, comprise gas tank 1, one-level cylinder 5, secondary cylinder 8, it is characterized in that: also comprise reduction valve 2, throttle valve 3, first solenoid directional control valve 4, second solenoid directional control valve 9, tooth bar 6, the 7-1 that cogs, lower gear 7-2 and transition gas tank and heat-exchange system 10; Reduction valve 2 links to each other with gas tank 1 by flexible pipe, one end of throttle valve 3 connects reduction valve 2, the other end of throttle valve 3 links to each other with a valve port of first solenoid directional control valve, 4 lower ends, another valve port is connected to transition gas tank and heat-exchange system 10, two valve ports of first solenoid directional control valve, 4 upper ends are connected to one-level cylinder 5, the piston rod that the one-level cylinder is 5 li directly is connected with the right-hand member of tooth bar 6, and the left end of tooth bar 6 directly links to each other with secondary cylinder 8; The top of tooth bar 6 is provided with the cylinder 7-1 that cogs, and the below of tooth bar 6 is provided with a cylinder lower gear 7-2, and tooth bar 6 has been formed two pairs of gear pairs with cog 7-1 and lower gear 7-2; Two valve ports of second solenoid directional control valve, 9 upper ends are connected with two active chambers of secondary cylinder 8 respectively by flexible pipe, a valve port of second solenoid directional control valve, 9 lower ends is connected with transition gas tank and heat-exchange system 10 by flexible pipe, and another valve port is connected to external environment by flexible pipe.
2. the pneumatic engine device of double expansion piston type according to claim 1, it is characterized in that: the 7-1 that cogs is connected with unilateral bearing 16 by flat key 18, flat key 17 connects unilateral bearing 16 and transmission shaft 11-1, and gear 12-1 is installed in the other end of transmission shaft 11-1; Gear 12-1 connects with unilateral bearing 19 by flat key 21, flat key 20 connects unilateral bearing 19 and transmission shaft 11-1, lower gear 7-2 connects with unilateral bearing 22 by flat key 24, and flat key 23 connects unilateral bearing 22 and transmission shaft 11-2, and gear 12-2 is installed in the other end of transmission shaft 12-2; Gear 12-2 connects with unilateral bearing 25 by flat key 27, and flat key 26 connects unilateral bearing 25 and transmission shaft 11-2, gear 12-1 and 12-2 and gear 13 engagements, and gear 13 is connected with pto 15 by flat key 14.
3. the pneumatic engine device of double expansion piston type according to claim 1, it is characterized in that: the valve port in two valve ports in first solenoid directional control valve, 4 upper ends and the right active chamber of cylinder 5 are connected, and the left active chamber of another valve port and cylinder 5 is connected.
4. the pneumatic engine device of double expansion piston type according to claim 1 is characterized in that: a right active chamber with cylinder 8 in two valve ports in second solenoid directional control valve, 9 upper ends is connected, and the left active chamber of another valve port and cylinder 8 is connected.
5. the pneumatic engine device of double expansion piston type according to claim 1 is characterized in that: the piston rod of cylinder 5 connects by the screw thread drive fit with the right-hand member of tooth bar 6, and the piston rod of cylinder 8 connects by the screw thread drive fit with the left end of tooth bar 6.
6. the pneumatic engine device of double expansion piston type according to claim 1, it is characterized in that: the upper and lower surface of tooth bar 6 all has tooth, about end a tapped hole respectively arranged.
7. the pneumatic engine device of double expansion piston type according to claim 1 and 2 is characterized in that: respectively there is a chute in the interior outside of unilateral bearing 16.
8. the pneumatic engine device of double expansion piston type according to claim 1 and 2 is characterized in that: the 7-1 that cogs, lower gear 7-2, gear 12-1 and gear 12-2 go up the inboard respectively a chute, connects with unilateral bearing by flat key.
9. the pneumatic engine device of double expansion piston type according to claim 1 and 2 is characterized in that: axle 11-1, axle 11-2 each side have a keyway, connect with gear 7-1,7-2,12-1 and 12-2 respectively by flat key.
10. the pneumatic engine device of double expansion piston type according to claim 1 and 2 is characterized in that: there is a keyway on the right side of output shaft 15, connects with gear 13 by flat key 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010622654 CN102031993B (en) | 2010-12-30 | 2010-12-30 | Two-stage expansion piston air motor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010622654 CN102031993B (en) | 2010-12-30 | 2010-12-30 | Two-stage expansion piston air motor device |
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| Publication Number | Publication Date |
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| CN102031993A true CN102031993A (en) | 2011-04-27 |
| CN102031993B CN102031993B (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010622654 Expired - Fee Related CN102031993B (en) | 2010-12-30 | 2010-12-30 | Two-stage expansion piston air motor device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493967A (en) * | 2011-11-21 | 2012-06-13 | 三一汽车起重机械有限公司 | Crane, rotation control system thereof and rotation buffering valve of crane |
| CN102031993B (en) * | 2010-12-30 | 2013-06-05 | 南京理工大学 | Two-stage expansion piston air motor device |
| CN104154204A (en) * | 2014-07-31 | 2014-11-19 | 洪绍森 | Hydraulic propeller |
| CN104295322A (en) * | 2014-10-13 | 2015-01-21 | 太原理工大学 | Pneumatic engine adopting spiral rod for transmission |
| CN104806295A (en) * | 2015-03-26 | 2015-07-29 | 成都力鑫科技有限公司 | Double-cylinder pneumatic engine driving device |
| CN104819285A (en) * | 2015-03-26 | 2015-08-05 | 成都力鑫科技有限公司 | Piston for pneumatic engine |
| CN106196869A (en) * | 2016-07-15 | 2016-12-07 | 青岛海尔股份有限公司 | Slide mechanism of drawer and there is its refrigerator |
| CN106812603A (en) * | 2017-01-11 | 2017-06-09 | 浙江大学 | A kind of pancake engine |
| CN107387168A (en) * | 2017-08-03 | 2017-11-24 | 冯袖幅 | Pneumoelectric power set |
| CN109838353A (en) * | 2019-03-27 | 2019-06-04 | 吉林大学 | A kind of novel hydrogen cell automobile high-pressure hydrogen storing pressure tank energy recyclable device |
Citations (4)
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| CN1184205A (en) * | 1997-09-18 | 1998-06-10 | 姚保民 | Pneumatic engine |
| US7121232B1 (en) * | 1999-10-25 | 2006-10-17 | Timo Tapani Janhunen | Method in an internal combustion engine and an internal combustion engine |
| CN101476490A (en) * | 2009-01-16 | 2009-07-08 | 华南理工大学 | Expansion ratio adjustable pneumatic engine for automobile and its exhaust pressure control method |
| CN202125319U (en) * | 2010-12-30 | 2012-01-25 | 南京理工大学 | Two-stage expansion piston type pneumatic engine device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031993B (en) * | 2010-12-30 | 2013-06-05 | 南京理工大学 | Two-stage expansion piston air motor device |
-
2010
- 2010-12-30 CN CN 201010622654 patent/CN102031993B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1184205A (en) * | 1997-09-18 | 1998-06-10 | 姚保民 | Pneumatic engine |
| US7121232B1 (en) * | 1999-10-25 | 2006-10-17 | Timo Tapani Janhunen | Method in an internal combustion engine and an internal combustion engine |
| CN101476490A (en) * | 2009-01-16 | 2009-07-08 | 华南理工大学 | Expansion ratio adjustable pneumatic engine for automobile and its exhaust pressure control method |
| CN202125319U (en) * | 2010-12-30 | 2012-01-25 | 南京理工大学 | Two-stage expansion piston type pneumatic engine device |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031993B (en) * | 2010-12-30 | 2013-06-05 | 南京理工大学 | Two-stage expansion piston air motor device |
| CN102493967A (en) * | 2011-11-21 | 2012-06-13 | 三一汽车起重机械有限公司 | Crane, rotation control system thereof and rotation buffering valve of crane |
| CN104154204A (en) * | 2014-07-31 | 2014-11-19 | 洪绍森 | Hydraulic propeller |
| CN104295322A (en) * | 2014-10-13 | 2015-01-21 | 太原理工大学 | Pneumatic engine adopting spiral rod for transmission |
| CN104806295A (en) * | 2015-03-26 | 2015-07-29 | 成都力鑫科技有限公司 | Double-cylinder pneumatic engine driving device |
| CN104819285A (en) * | 2015-03-26 | 2015-08-05 | 成都力鑫科技有限公司 | Piston for pneumatic engine |
| CN106196869A (en) * | 2016-07-15 | 2016-12-07 | 青岛海尔股份有限公司 | Slide mechanism of drawer and there is its refrigerator |
| CN106812603A (en) * | 2017-01-11 | 2017-06-09 | 浙江大学 | A kind of pancake engine |
| CN107387168A (en) * | 2017-08-03 | 2017-11-24 | 冯袖幅 | Pneumoelectric power set |
| WO2019024912A1 (en) * | 2017-08-03 | 2019-02-07 | 冯袖幅 | Pneumoelectric power device |
| CN109838353A (en) * | 2019-03-27 | 2019-06-04 | 吉林大学 | A kind of novel hydrogen cell automobile high-pressure hydrogen storing pressure tank energy recyclable device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102031993B (en) | 2013-06-05 |
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