CN108361070B - Output pressure adjustable self-adaptation pneumatic engine - Google Patents
Output pressure adjustable self-adaptation pneumatic engine Download PDFInfo
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- CN108361070B CN108361070B CN201810196738.8A CN201810196738A CN108361070B CN 108361070 B CN108361070 B CN 108361070B CN 201810196738 A CN201810196738 A CN 201810196738A CN 108361070 B CN108361070 B CN 108361070B
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- mode
- heat
- pneumatic engine
- conducting piece
- compressed air
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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
Abstract
The invention belongs to the field of engines, and particularly relates to a self-adaptive pneumatic engine with adjustable output air pressure, which can automatically adjust the output air pressure of a compressed air source container when higher power is required to be output, save the air consumption and improve the efficiency of the pneumatic engine; 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 a tractor in the actuating mechanism according to the rotating speed and/or load data of the pneumatic engine and the service environment temperature 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 output power increase under the condition that the air consumption.
Description
Technical Field
The invention belongs to the field of engines, and particularly relates to a self-adaptive pneumatic engine with adjustable output air pressure.
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 an adaptive pneumatic engine with adjustable output air pressure, wherein a compressed air source container of the adaptive 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 a first traction rope and a second traction rope which are arranged in the heat conducting piece in a penetrating mode, a first traction device arranged on one side of the cylinder body of the air cylinder and a second traction device arranged on one side of the compressed air source container, wherein the first traction device is connected with the first traction rope, and the second traction device is connected with the second traction rope;
the controller is used for controlling the first tractor and the second tractor in the actuating mechanism;
a first sensor for monitoring the speed and/or load of the pneumatic engine;
a second sensor for monitoring the temperature of the environment in which the pneumatic engine is used;
the controller is configured to control the first and second retractors based on the data signals monitored by the first and second sensors:
when the rotating speed and/or the load of the pneumatic engine do not exceed a first set value, the controller judges that the current pneumatic engine is in a common mode, at the moment, the controller controls the first tractor to tighten the first traction rope, 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 a first set value, 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 second tractor to tighten the second traction rope, 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 increasing output power under the condition that the air consumption is not increased; .
When the temperature of the using environment of the pneumatic engine exceeds the second set value, more heat on the surface of the cylinder body needs to be absorbed under the using environment, and the air pressure inside the compressed air source container is increased due to the high temperature, so that the time for the controller to enable the heat-conducting member to be in the first mode is prolonged, and the time for enabling the heat-conducting member to be in the second mode is shortened.
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 view of a pneumatic engine with a heat transfer element in a first mode;
FIG. 2 is a schematic diagram of the pneumatic engine with the thermal conductor member in a second mode;
fig. 3 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;
the actuating mechanism 6 is used for switching the heat conducting member 5 between a first mode and a second mode, and comprises a first traction rope 12 and a second traction rope 13 which are arranged in the heat conducting member 5 in a penetrating way, a first tractor 10 arranged on one side of the cylinder body 2 and a second tractor 11 arranged on one side of the compressed air source container 1, wherein the first tractor 10 is connected with the first traction rope 12, and the second tractor 11 is connected with the second traction rope 13;
a controller 7 for controlling the first retractor 10 and the second retractor 11 of the actuator mechanism 6;
a first sensor 8 for monitoring the speed and/or load of the pneumatic engine;
a second sensor 9 for monitoring the temperature of the environment in which the pneumatic engine is used;
the controller 7 is configured to control the first and second tractors 10 and 11 in response to the data signals monitored by the first and second sensors:
when the rotating speed and/or the load of the pneumatic engine do not exceed the first set value, the controller 7 judges that the current pneumatic engine is in the common mode, at the moment, the controller 7 controls the first tractor 10 to tighten the first traction rope 12, 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 a first set value, the controller 7 judges that the current pneumatic engine is changed from a common mode to a reinforced mode, at the moment, the controller 7 controls the second tractor 11 to tighten the second traction rope 13, so that the heat conducting member 5 is in the second mode, the heat stored by the phase change heat storage material particles in the heat conducting member 5 is released 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 increased, and the pneumatic engine meets the requirement of output power increase under the condition that the air consumption amount is not increased; .
When the temperature of the usage environment of the pneumatic engine exceeds the second set value, in the usage environment, more heat on the surface of the cylinder block 2 needs to be absorbed, and the air pressure inside the compressed air supply container 1 is increased due to the high temperature, so that the controller 7 prolongs the time for which the heat-conducting member 5 is in the first mode, and shortens the time for which the heat-conducting member 5 is in the second mode.
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. An adaptive pneumatic engine with adjustable output air pressure, 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 a first traction rope and a second traction rope which are arranged in the heat conducting piece in a penetrating mode, a first traction device arranged on one side of the cylinder body of the air cylinder and a second traction device arranged on one side of the compressed air source container, wherein the first traction device is connected with the first traction rope, and the second traction device is connected with the second traction rope;
the controller is used for controlling the first tractor and the second tractor in the actuating mechanism;
a first sensor for monitoring the speed and/or load of the pneumatic engine;
a second sensor for monitoring the temperature of the environment in which the pneumatic engine is used;
the controller is configured to control the first and second retractors based on the data signals monitored by the first and second sensors:
when the rotating speed and/or the load of the pneumatic engine do not exceed a first set value, the controller judges that the current pneumatic engine is in a common mode, at the moment, the controller controls the first tractor to tighten the first traction rope, 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 a first set value, 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 second tractor to tighten the second traction rope, 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 increasing output power under the condition that the air consumption is not increased;
when the temperature of the using environment of the pneumatic engine exceeds the second set value, more heat on the surface of the cylinder body needs to be absorbed under the using environment, and the air pressure inside the compressed air source container is increased due to the high temperature, so that the time for the controller to enable the heat-conducting member to be in the first mode is prolonged, and the time for enabling the heat-conducting member to be in the second mode is shortened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810196738.8A CN108361070B (en) | 2018-03-10 | 2018-03-10 | Output pressure adjustable self-adaptation pneumatic engine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810196738.8A CN108361070B (en) | 2018-03-10 | 2018-03-10 | Output pressure adjustable self-adaptation pneumatic engine |
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| CN108361070A CN108361070A (en) | 2018-08-03 |
| CN108361070B true CN108361070B (en) | 2020-08-07 |
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Citations (3)
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|---|---|---|---|---|
| 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 |
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 | A kind of automobile exhaust gas temperature difference electricity 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 |
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2018
- 2018-03-10 CN CN201810196738.8A patent/CN108361070B/en active Active
Patent Citations (3)
| 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 |
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| CN108361070A (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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