CN108443265B - Compressed air engine with pooling feature - Google Patents
Compressed air engine with pooling feature Download PDFInfo
- Publication number
- CN108443265B CN108443265B CN201810210209.9A CN201810210209A CN108443265B CN 108443265 B CN108443265 B CN 108443265B CN 201810210209 A CN201810210209 A CN 201810210209A CN 108443265 B CN108443265 B CN 108443265B
- Authority
- CN
- China
- Prior art keywords
- piston
- bar
- buffer
- cylinder block
- compressed air
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0416—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor with means or adapted for load sensing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
- F15B15/226—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having elastic elements, e.g. springs, rubber pads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/005—Filling or draining of fluid systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6306—Electronic controllers using input signals representing a pressure
- F15B2211/6313—Electronic controllers using input signals representing a pressure the pressure being a load pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6336—Electronic controllers using input signals representing a state of the output member, e.g. position, speed or acceleration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/857—Monitoring of fluid pressure systems
Abstract
The invention belongs to engine arts, and in particular to a kind of compressed air engine with pooling feature, piston can reduce the fluctuation of stress when gas source output pressure changes, improve the stability of operation；It include: compressed gas source container, cylinder block, piston component, switching device, sensor and controller, piston component includes the piston rod of piston head and set rod-type, piston rod includes outer bar and interior bar, it is interior, buffer is equipped in gap between outer bar, buffer is one flexible, can inflation/deflation air bag, air bag passes through an Air filling and discharging valves and compressed gas source reservoir, in the moment that the pressure of output gas increases, the outer end face of outer bar is in the case where stress is uprushed, air bag is inflated, outer bar is set to obtain bigger buffer function in gap, to keep the force stability of interior bar unaffected, guarantee the stabilization of the output of piston rod.
Description
Technical field
The invention belongs to engine art, in particular to a kind of compressed air engine with pooling feature.
Background technique
The engine of single-cylinder, also referred to as pneumatic motor or compressed air engine are to can be carried out operating using the pressure of compressed gas source
Machinery, such as: the structure of the patented product pneumatic type engine of Zhang Xun, electronic valve control porthole leak informaton frequency, make in compressed gas bucket
Compressed gas be discharged by exhaust outlet and push piston through air intake, then be discharged by gas outlet and enter compressed gas bucket through air inlet,
It pushes steam-cylinder piston to generate kinetic energy (referenced patent document CN102477870A) by compressed gas.
The patented product of Geng Huitang is using solar energy as the generating set of power, and the medium in heat-exchange tube is by solar energy heating
Pipe heating, until boiling, after steam pressure is more than the suction-combining force of magnet, instantaneous burst rushes piston upwards, and passes through song
The linear motion of piston is become circular motion by handle link mechanism etc., drives generator operation power generation, when piston whereabouts is blocked up again
Firmly after gas nozzle, piston need to be rushed upwards to (referenced patent text again after steam pressure is again above the suction-combining force of magnet
Offer CN101230787A).
A kind of low energy consumption groover of the patented product of Hunan long letter construction group Co., Ltd, engine system are pneumatically to draw
It holds up, including air pressure pump, compressed air cylinder etc., the compressed air cylinder inside division is the higher-pressure region being disposed over and sets
The low-pressure area in lower section is set, compressed air (the referenced patent document of different pressures can be selected according to revolving speed
CN105804796A)。
The energy-efficient piston type motor that a kind of Novel air of the patented product of BJ University of Aeronautics & Astronautics, magnetic knot close, pressure
The air consumption of contracting air is greatly reduced, and is acted on using the energy storage of Magnetomotive device, and supplementary compressed air acting makes it with interval
Formula supplies drive rotor rotation, can significantly improve efficiency, reduce air consumption (referenced patent document CN103061814A) significantly.
Summary of the invention
The present invention provides a kind of compressed air engine that gas source output pressure is adjusted according to operating condition, and piston has buffer
Structure improves the operation of piston and compressed air engine entirety for reducing the fluctuation of the stress of piston in the variation of gas source output pressure
Stability.
It includes compressed gas source container, cylinder block, piston component, and compressed gas source container includes low-pressure tank and pressure pan,
Piston component moves back and forth in cylinder block under the action of the output gas of compressed gas source container；
It further includes,
Switching device is low for selecting or switching for the control valve in the output gas circuit of low-pressure tank and pressure pan
Press one of tank or pressure pan as the gas source to cylinder block output gas；
Sensor, for monitoring revolving speed and/or the load of compressed air engine；
Controller, the operation of the data control switching device for being monitored according to sensor, when the revolving speed of compressed air engine
And/or load, when being less than predetermined value, controller controls switching device selection low-pressure tank to cylinder block gas transmission, works as compressed air engine
Revolving speed and/or load be more than predetermined value when, controller control switching device be switched to pressure pan to cylinder block gas transmission；
Piston component includes the piston rod of piston head and set rod-type, and piston rod includes outer bar and interior bar, and interior rod set is in outer bar
It is interior, there are a gap between the outer end of interior bar and the inner end of outer bar, buffer is equipped in gap, buffer is one soft
Property, can inflation/deflation air bag, air bag by Air filling and discharging valves and compressed gas source reservoir, one end of air bag and interior bar
Outer end is fixedly connected, and after inflation, the other end of air bag and the inner end of outer bar are abutted against,
Controller is configured as:
When sensor monitors that the revolving speed of compressed air engine and/or load are more than predetermined value, controller first controls inflation/deflation
Valve inflates buffer, and the cushion performance of buffer is made to become larger, and after delay scheduled time, controller controls switching device switching again
To pressure pan to cylinder block gas transmission, thus output gas pressure increase moment, outer bar in the case where stress is uprushed,
So that outer bar is obtained bigger buffer function in gap, to keep the force stability of interior bar unaffected, guarantees piston rod
The stabilization of output；When sensor monitors that the revolving speed of compressed air engine and/or load drop to predetermined value or less, controller control is filled
Vent valve deflates to buffer, and controls switching device simultaneously and be switched to low-pressure tank to cylinder block gas transmission.
The beneficial effects of the present invention are: compressed air engine can adjust gas source output pressure according to operating condition, and in air pressure
The fluctuation for reducing the stress of piston when variation, improves the operation stability of piston and compressed air engine entirety.
Detailed description of the invention
Fig. 1 shows the structural schematic diagram of compressed air engine；
Fig. 2 shows the structural schematic diagrams of piston rod.
Specific embodiment
1-2 with reference to the accompanying drawings, the function that the structure of this system is described in detail and is realized.
Compressed air engine comprising compressed gas source container 1, cylinder block 2, piston component 3, compressed gas source container 1 include low
Tank 1-1 and pressure pan 1-2 is pressed, piston component 3 is past in cylinder block 2 under the action of the output gas of compressed gas source container 1
Multiple movement；
It further includes,
Switching device 4, for control valve in the output gas circuit of low-pressure tank 1-1 and pressure pan 1-2, for selection or
Switch one of low-pressure tank 1-1 or pressure pan 1-2 as the gas source to 2 output gas of cylinder block；
Sensor 5, for monitoring revolving speed and/or the load of compressed air engine；
Controller 6, the operation of the data control switching device 4 for being monitored according to sensor 5, when turning for compressed air engine
Speed and/or load be when being less than predetermined value, and controller 6 controls switching device 4 and selects low-pressure tank 1-1 to cylinder block gas transmission, when
When the revolving speed of compressed air engine and/or load are more than predetermined value, controller 6 controls switching device 4 and is switched to pressure pan 1-2 to cylinder
Cylinder body gas transmission；
Piston component 3 includes piston head 7 and the piston rod 8 for covering rod-type, and piston rod 8 includes outer bar 9 and interior bar 10, interior bar 10
It covers in outer bar 9, there are a gap between the outer end of interior bar 10 and the inner end of outer bar 9, buffer 11 is equipped in gap,
Buffer 11 be one it is flexible, can inflation/deflation air bag, air bag connected by Air filling and discharging valves 12 and compressed gas source container 1
Logical, one end of air bag is fixedly connected with the outer end of interior bar 10, after inflation, the other end of air bag and the inner end of outer bar 9
It abuts against,
Controller 6 is configured as:
When sensor 5 monitors that the revolving speed of compressed air engine and/or load are more than predetermined value, controller 6 first controls charge and discharge
Air valve 12 inflates buffer 11, so that the cushion performance of buffer 11 is become larger, after delay scheduled time, controller 6 controls again to be cut
Changing device 4 is switched to pressure pan 1-2 to cylinder block gas transmission, thus output gas pressure increase moment, outer bar 9 by
In the case that power is uprushed, outer bar 9 is made to obtain bigger buffer function in gap, thus make the force stability of interior bar 10 not by
It influences, guarantees the stabilization of the output of piston rod 8；Monitor that the revolving speed of compressed air engine and/or load drop to predetermined value in sensor 5
When following, controller 6 controls Air filling and discharging valves 12 and deflates to buffer 11, and controls switching device 4 simultaneously and be switched to low-pressure tank 1-1
To cylinder block gas transmission.
One skilled in the art would recognize that without departing substantially from the spirit and scope of the invention as generally describing,
Various variations and/or modification can be carried out to invention shown in each specific embodiment.Therefore, in terms of all
For, embodiment here is considered as illustrative and and non-limiting.Equally, the present invention includes any feature
Combination, the combination of any feature especially in Patent right requirement, even if the combination of this feature or feature is not in patent
It is explicitely stated in claim or each embodiment here.
Claims (1)
1. a kind of compressed air engine with pooling feature comprising compressed gas source container, cylinder block, piston component, compressed gas
Source container includes low-pressure tank and pressure pan, and piston component is under the action of the output gas of compressed gas source container in cylinder block
It moves back and forth；
It is characterized in that,
Switching device is the control valve in the output gas circuit of low-pressure tank and pressure pan, for selecting or switching low-pressure tank
Or one of pressure pan is as the gas source to cylinder block output gas；
Sensor, for monitoring revolving speed and/or the load of compressed air engine；
Controller, for being monitored according to sensor data control switching device operation, when compressed air engine revolving speed and/or
When load is less than predetermined value, controller controls switching device and selects low-pressure tank to cylinder block gas transmission, when turning for compressed air engine
When speed and/or load are more than predetermined value, controller control switching device is switched to pressure pan to cylinder block gas transmission；
Piston component includes the piston rod of piston head and set rod-type, and piston rod includes outer bar and interior bar, and interior rod set is interior in outer bar
There are a gap between the outer end of bar and the inner end of outer bar, be equipped with buffer in gap, buffer be one it is flexible,
Can inflation/deflation air bag, air bag passes through Air filling and discharging valves and compressed gas source reservoir, one end of air bag and the outer end of interior bar
Portion is fixedly connected, and after inflation, the other end of air bag and the inner end of outer bar are abutted against,
Controller is configured as:
When sensor monitors that the revolving speed of compressed air engine and/or load are more than predetermined value, controller first controls Air filling and discharging valves pair
Buffer inflation, makes the cushion performance of buffer become larger, after delay scheduled time, controller controls switching device again and is switched to height
Press tank to cylinder block gas transmission, so that outer bar makes outer in the case where stress is uprushed in the moment of the pressure increase of output gas
Bar obtains bigger buffer function in gap, to keep the force stability of interior bar unaffected, guarantees the output of piston rod
Stabilization；When sensor monitors that the revolving speed of compressed air engine and/or load drop to predetermined value or less, controller controls inflation/deflation
Valve deflates to buffer, and controls switching device simultaneously and be switched to low-pressure tank to cylinder block gas transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810210209.9A CN108443265B (en) | 2018-03-14 | 2018-03-14 | Compressed air engine with pooling feature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810210209.9A CN108443265B (en) | 2018-03-14 | 2018-03-14 | Compressed air engine with pooling feature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108443265A CN108443265A (en) | 2018-08-24 |
| CN108443265B true CN108443265B (en) | 2019-10-25 |
Family
ID=63195038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810210209.9A Active CN108443265B (en) | 2018-03-14 | 2018-03-14 | Compressed air engine with pooling feature |
Country Status (1)
| Country | Link |
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| CN (1) | CN108443265B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067782B (en) * | 2019-05-06 | 2020-06-05 | 温州市创业机械有限公司 | Pressure piston cylinder with emergency brake |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1141396A (en) * | 1995-04-25 | 1997-01-29 | 速睦喜股份有限公司 | Driving loop with fluid presure as power device |
| CN1151785A (en) * | 1994-06-30 | 1997-06-11 | 轨道发动机公司(澳大利亚)有限公司 | I. C. Engine control |
| CN102787866A (en) * | 2012-08-17 | 2012-11-21 | 彭学军 | Turbine engine using compressed air as working energy |
| CN202595294U (en) * | 2012-04-24 | 2012-12-12 | 北京爱社时代科技发展有限公司 | Delay control circuit for crust breaking partial pressure gas supply |
| CN103085904A (en) * | 2013-01-31 | 2013-05-08 | 三一重机有限公司 | Tension device and track and engineering machinery provided with tension device |
| CN203081892U (en) * | 2012-12-13 | 2013-07-24 | 浙江三高自动化设备有限公司 | Air cylinder |
| CN104006021A (en) * | 2014-06-12 | 2014-08-27 | 苏州劳灵精密机械有限公司 | Hinged inner rod type single-acting cylinder |
| CN204533031U (en) * | 2015-01-16 | 2015-08-05 | 西南科技大学 | A kind of oil hydraulic cylinder |
-
2018
- 2018-03-14 CN CN201810210209.9A patent/CN108443265B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1151785A (en) * | 1994-06-30 | 1997-06-11 | 轨道发动机公司(澳大利亚)有限公司 | I. C. Engine control |
| CN1141396A (en) * | 1995-04-25 | 1997-01-29 | 速睦喜股份有限公司 | Driving loop with fluid presure as power device |
| CN202595294U (en) * | 2012-04-24 | 2012-12-12 | 北京爱社时代科技发展有限公司 | Delay control circuit for crust breaking partial pressure gas supply |
| CN102787866A (en) * | 2012-08-17 | 2012-11-21 | 彭学军 | Turbine engine using compressed air as working energy |
| CN203081892U (en) * | 2012-12-13 | 2013-07-24 | 浙江三高自动化设备有限公司 | Air cylinder |
| CN103085904A (en) * | 2013-01-31 | 2013-05-08 | 三一重机有限公司 | Tension device and track and engineering machinery provided with tension device |
| CN104006021A (en) * | 2014-06-12 | 2014-08-27 | 苏州劳灵精密机械有限公司 | Hinged inner rod type single-acting cylinder |
| CN204533031U (en) * | 2015-01-16 | 2015-08-05 | 西南科技大学 | A kind of oil hydraulic cylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108443265A (en) | 2018-08-24 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190926 Address after: 318050 seven villages, 4 families and 16 households in Luqiao District of Zhejiang City, Taizhou Province Applicant after: Wu Yu Lu Address before: 230000 Yaohai District, Hefei City, Anhui Province Applicant before: Hu Wan Xi |
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