CN108361071B - Pneumatic engine - Google Patents
Pneumatic engine Download PDFInfo
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- CN108361071B CN108361071B CN201810196747.7A CN201810196747A CN108361071B CN 108361071 B CN108361071 B CN 108361071B CN 201810196747 A CN201810196747 A CN 201810196747A CN 108361071 B CN108361071 B CN 108361071B
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- mode
- pneumatic engine
- heat
- conducting piece
- heat conducting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B25/00—Regulating, controlling, or safety means
- F01B25/02—Regulating or controlling by varying working-fluid admission or exhaust, e.g. by varying pressure or quantity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B31/00—Component parts, details, or accessories not provided for in, or of interest apart from, other groups
- F01B31/08—Cooling of steam engines; Heating; Heat insulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B31/00—Component parts, details, or accessories not provided for in, or of interest apart from, other groups
- F01B31/12—Arrangements of measuring or indicating devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention belongs to the field of engines, and particularly relates to a pneumatic engine which can automatically adjust the output air pressure of a compressed air source container when higher power is required to be output, so that the air consumption is saved, and the efficiency of the pneumatic engine is improved; the pneumatic engine comprises a compressed air source container, a cylinder body, a piston, a heat conducting piece, an actuating mechanism, a controller, a sensor and a data transmission unit, wherein the heat conducting piece is provided with a first mode and a second mode, the first mode is used for absorbing heat on the surface of the cylinder body, the second mode is used for releasing the stored heat to heat the compressed air source container to increase the air pressure in the container in an auxiliary mode, the controller determines the operation of the actuating mechanism according to the rotating speed and/or load data of the pneumatic engine, so that the heat conducting piece is driven to be switched between the two modes, the pressure of high-pressure air in the container is further increased due to the fact that the temperature is high, and the pneumatic engine can meet the requirement of increasing the output power under the condition that the air consumption is.
Description
Technical Field
The invention belongs to the field of engines, and particularly relates to a pneumatic engine.
Background
Single cylinder engines, also known as pneumatic engines or pneumatic machines, are machines that operate by using the pressure energy of a compressed air source, such as: the gazang patent product pneumatic engine structure, in which an electronic valve controls the frequency of the valve to release air, so that the compressed air in the compressed air barrel is discharged from an air outlet, pushes a piston through an air inlet, is discharged from an air outlet, enters the compressed air barrel through an air inlet, and generates kinetic energy by pushing a cylinder piston with the compressed air (refer to patent document CN 102477870A).
In the gunn hall patent product, a solar energy-powered generator set is adopted, a medium in a heat exchange pipe is heated by a solar heat collecting pipe until the medium is boiled, and after the steam pressure exceeds the attraction force of a magnet, the medium explodes instantly to enable a piston to be upwards flushed, the linear motion of the piston is changed into circular motion through a crank-connecting rod mechanism and the like, a generator is driven to operate and generate electricity, and after the piston falls down and blocks a gas nozzle again, the piston is flushed again after the steam pressure exceeds the attraction force of the magnet again (refer to patent document CN 101230787A).
A low-energy-consumption groover, which is a patent product of the long-letter construction group limited in the south of the lake, an engine system is a pneumatic machine and includes an air compression pump, a compressed air tank, and the like, and the inside of the compressed air tank is divided into a high-pressure area arranged above and a low-pressure area arranged below, and compressed air with different pressures can be selected according to the rotating speed (refer to patent document CN 105804796A).
The patent product of Beijing aerospace university is a novel gas-magnet combined energy-saving high-efficiency piston type motor, the gas consumption of compressed air is greatly reduced, the energy storage function of a magnetic power device is utilized to assist the compressed air to do work, so that the compressed air pushes a rotor to rotate in an intermittent gas supply mode, the efficiency can be obviously improved, and the gas consumption is obviously reduced (refer to patent document CN 103061814A).
Disclosure of Invention
The invention provides a pneumatic engine, wherein a compressed air source container of the pneumatic engine is provided with an auxiliary pressurization structure, and the operation mode of the auxiliary pressurization structure can be selected according to data such as the operation condition of the pneumatic engine, so that the effects of saving air consumption and improving the efficiency of the pneumatic engine are achieved.
The pneumatic engine includes:
the compressed gas source container is used for storing high-pressure gas;
the piston is driven by high-pressure gas to reciprocate in the cylinder body;
the compressed air source container and the cylinder body are arranged with a gap;
further comprising:
the heat conducting piece is arranged at a gap between the compressed air source container and the cylinder body and comprises a flexible base material and phase change heat storage material particles, the heat conducting piece has a first mode and a second mode, and in a normal working mode of the pneumatic engine, the heat conducting piece is in the first mode, namely is attached to the surface of the cylinder body and is used for absorbing and storing heat generated by the reciprocating motion of the piston of the cylinder body; in the strengthening mode of the high-power work of the pneumatic engine, the heat conducting piece is in a second mode, namely is attached to the surface of the compressed air source container and is used for releasing the stored heat to heat the compressed air source container;
the actuating mechanism is used for switching the heat conducting piece between a first mode and a second mode and comprises an inflator, a first soft air bag arranged on one side of the compressed air source container and a second soft air bag arranged on one side of the cylinder body, and the inflator is connected with the first soft air bag and the second soft air bag;
a controller for controlling the inflator in the actuating mechanism to selectively inflate one of the first soft air bag or the second soft air bag;
the sensor and data transmission unit is used for monitoring the rotating speed and/or load of the pneumatic engine and transmitting the monitored signal data to the controller;
the controller is configured to control the inflator according to the signal data: when the rotating speed and/or the load of the pneumatic engine do not exceed a set value, the controller judges that the current pneumatic engine is in a common mode, at the moment, the controller controls the inflator to inflate the first soft airbag, so that the heat conducting piece is in the first mode, and the phase change heat storage material particles in the heat conducting piece absorb the heat on the surface of the cylinder body of the cylinder; when the rotating speed and/or the load of the pneumatic engine exceed set values, the controller judges that the current pneumatic engine is changed from a common mode to a strengthening mode, at the moment, the controller controls the inflator to inflate the second soft airbag, so that the heat conducting piece is in the second mode, the phase change heat storage material particles in the heat conducting piece release stored heat to heat the compressed air source container, the pressure of high-pressure air in the container is further increased due to the fact that the temperature is high, and the pneumatic engine can meet the requirement of output power increase under the condition that the air consumption is not increased.
The invention can automatically adjust the output air pressure of the compressed air source container when higher power is required to be output, thereby achieving the effects of saving air consumption and improving the efficiency of the pneumatic engine.
Drawings
FIG. 1 shows a schematic diagram of a pneumatic engine;
fig. 2 shows a schematic structural view of the actuating mechanism.
Detailed Description
The structure of the present system and the functions performed are described in detail below with reference to the accompanying drawings.
The pneumatic engine includes:
a compressed gas source container 1 for storing high-pressure gas;
the piston 3 is driven by high-pressure gas to reciprocate in the cylinder body 2;
the compressed air source container 1 and the cylinder body 2 are arranged with a gap;
further comprising:
the heat conducting piece 5 is arranged in a gap 4 between the compressed air source container 1 and the cylinder body 2 and comprises a flexible base material and phase-change heat storage material particles, the heat conducting piece 5 has a first mode and a second mode, and in a common mode of normal work of the pneumatic engine, the heat conducting piece 5 is in the first mode, namely is attached to the surface of the cylinder body 2 and is used for absorbing and storing heat generated by the reciprocating motion of the piston 3 of the cylinder body 2; in the strengthening mode of the high-power work of the pneumatic engine, the heat conducting piece 5 is in a second mode, namely is attached to the surface of the compressed air source container 1 and is used for releasing the stored heat to heat the compressed air source container 1;
an actuating mechanism 6 for switching the heat-conductive member 5 between the first mode and the second mode, which includes an inflator 10, a first soft air bag 11 provided on the side of the compressed air source container 1, and a second soft air bag 12 provided on the side of the cylinder block 2, the inflator being connected to the first and second soft air bags;
a controller 7 for controlling an inflator 10 in the actuating mechanism 6 to selectively inflate one of the first soft air bag 11 or the second soft air bag 12;
a sensor 8 and a data transmission unit 9 for monitoring the rotational speed and/or load of the pneumatic engine and transmitting the monitored signal data to the controller 7;
the controller 7 is configured to control the inflator 10 according to the signal data: when the rotating speed and/or the load of the pneumatic engine do not exceed a set value, the controller 7 judges that the current pneumatic engine is in a common mode, at the moment, the controller 7 controls the inflator 10 to inflate the first soft airbag 11, so that the heat conducting member 5 is in the first mode, and the phase change heat storage material particles in the heat conducting member 5 absorb the heat on the surface of the cylinder body 2; when the rotating speed and/or the load of the pneumatic engine exceed set values, the controller 7 judges that the current pneumatic engine is changed from a common mode to a strengthening mode, at the moment, the controller 7 controls the inflator 10 to inflate the second soft airbag 12, so that the heat conducting member 5 is in the second mode, the phase change heat storage material particles in the heat conducting member 5 release the stored heat to heat the compressed air source container 1, the pressure of high-pressure air in the container is further increased due to the fact that the temperature is high, and the pneumatic engine can meet the requirement of output power increase under the condition that the air consumption amount is not increased.
It will be appreciated by persons skilled in the art that numerous variations and/or modifications may be made to the invention as shown in the specific embodiments without departing from the spirit or scope of the invention as broadly described. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. Likewise, the invention encompasses any combination of features, in particular of features in the patent claims, even if this feature or this combination of features is not explicitly specified in the patent claims or in the individual embodiments herein.
Claims (1)
1. A pneumatic engine, comprising:
the compressed gas source container is used for storing high-pressure gas;
the piston is driven by high-pressure gas to reciprocate in the cylinder body;
the compressed air source container and the cylinder body are arranged with a gap;
it is characterized in that the preparation method is characterized in that,
the heat conducting piece is arranged at a gap between the compressed air source container and the cylinder body and comprises a flexible base material and phase change heat storage material particles, the heat conducting piece has a first mode and a second mode, and in a normal working mode of the pneumatic engine, the heat conducting piece is in the first mode, namely is attached to the surface of the cylinder body and is used for absorbing and storing heat generated by the reciprocating motion of the piston of the cylinder body; in the strengthening mode of the high-power work of the pneumatic engine, the heat conducting piece is in a second mode, namely is attached to the surface of the compressed air source container and is used for releasing the stored heat to heat the compressed air source container;
the actuating mechanism is used for switching the heat conducting piece between a first mode and a second mode and comprises an inflator, a first soft air bag arranged on one side of the compressed air source container and a second soft air bag arranged on one side of the cylinder body, and the inflator is connected with the first soft air bag and the second soft air bag;
a controller for controlling the inflator in the actuating mechanism to selectively inflate one of the first soft air bag or the second soft air bag;
the sensor and data transmission unit is used for monitoring the rotating speed and/or load of the pneumatic engine and transmitting the monitored signal data to the controller;
the controller is configured to control the inflator according to the signal data: when the rotating speed and/or the load of the pneumatic engine do not exceed a set value, the controller judges that the current pneumatic engine is in a common mode, at the moment, the controller controls the inflator to inflate the first soft airbag, so that the heat conducting piece is in the first mode, and the phase change heat storage material particles in the heat conducting piece absorb the heat on the surface of the cylinder body of the cylinder; when the rotating speed and/or the load of the pneumatic engine exceed set values, the controller judges that the current pneumatic engine is changed from a common mode to a strengthening mode, at the moment, the controller controls the inflator to inflate the second soft airbag, so that the heat conducting piece is in the second mode, the phase change heat storage material particles in the heat conducting piece release stored heat to heat the compressed air source container, the pressure of high-pressure air in the container is further increased due to the fact that the temperature is high, and the pneumatic engine can meet the requirement of output power increase under the condition that the air consumption is not increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810196747.7A CN108361071B (en) | 2018-03-10 | 2018-03-10 | Pneumatic engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810196747.7A CN108361071B (en) | 2018-03-10 | 2018-03-10 | Pneumatic engine |
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| Publication Number | Publication Date |
|---|---|
| CN108361071A CN108361071A (en) | 2018-08-03 |
| CN108361071B true CN108361071B (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810196747.7A Active CN108361071B (en) | 2018-03-10 | 2018-03-10 | Pneumatic engine |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2360615Y (en) * | 1998-12-16 | 2000-01-26 | 梅保安 | Air cooling high effective energy saving engine |
| CN1333415A (en) * | 2001-08-29 | 2002-01-30 | 李潮赞 | Method using low-temp. liquefied gas as energy source for engine and power device thereof |
| CN101191707A (en) * | 2006-11-29 | 2008-06-04 | 陈锦标 | Method for heating phase-change material heat storage unit adopting PTC thermistor |
| CN101405491A (en) * | 2006-02-09 | 2009-04-08 | 丰田自动车株式会社 | Heat storage device and engine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2450342A1 (en) * | 1979-02-28 | 1980-09-26 | Girodin Marius | Hot air reciprocating engine - has hydraulic connection between piston and displacement vessel to give large volume ratio |
| CN201865786U (en) * | 2010-11-26 | 2011-06-15 | 绍兴文理学院 | Water-jacket type heat-exchanging gas cylinder body for working-fluid phase-changing circular heat engine |
| CN102588024B (en) * | 2011-01-18 | 2014-11-05 | 中国科学院过程工程研究所 | Low ebb electricity and waste heat recovering, storing and recycling system of internal combustion engine generator |
| CN103306728A (en) * | 2012-03-13 | 2013-09-18 | 周登荣 | V-shaped multi-cylinder aerodynamic engine |
| CN204168183U (en) * | 2014-09-26 | 2015-02-18 | 东风商用车有限公司 | Automobile exhaust gas temperature difference power generation device |
| CN105644346A (en) * | 2016-02-29 | 2016-06-08 | 上海大学 | Compressed air type motor vehicle exhaust waste heat recycling system and method |
-
2018
- 2018-03-10 CN CN201810196747.7A patent/CN108361071B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2360615Y (en) * | 1998-12-16 | 2000-01-26 | 梅保安 | Air cooling high effective energy saving engine |
| CN1333415A (en) * | 2001-08-29 | 2002-01-30 | 李潮赞 | Method using low-temp. liquefied gas as energy source for engine and power device thereof |
| CN101405491A (en) * | 2006-02-09 | 2009-04-08 | 丰田自动车株式会社 | Heat storage device and engine |
| CN101191707A (en) * | 2006-11-29 | 2008-06-04 | 陈锦标 | Method for heating phase-change material heat storage unit adopting PTC thermistor |
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| Publication number | Publication date |
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| CN108361071A (en) | 2018-08-03 |
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Effective date of registration: 20200717 Address after: Room 216, 2 / F, building g, Wenzhou enlightenment future industrial park, 77 Jinyang Road, nanbaixiang street, Ouhai District, Wenzhou City, Zhejiang Province Applicant after: Wenzhou Xuerong Machinery Technology Co.,Ltd. Address before: 230000 Rongcheng garden, Beiyuan, Luyang District, Hefei, Anhui Applicant before: Ding Guobiao |
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