CN201306193Y - Numeric control pneumatic engine - Google Patents
Numeric control pneumatic engine Download PDFInfo
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- CN201306193Y CN201306193Y CNU2008202174385U CN200820217438U CN201306193Y CN 201306193 Y CN201306193 Y CN 201306193Y CN U2008202174385 U CNU2008202174385 U CN U2008202174385U CN 200820217438 U CN200820217438 U CN 200820217438U CN 201306193 Y CN201306193 Y CN 201306193Y
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Abstract
The utility model discloses a numeric control pneumatic engine, which comprises an energy supplying system, an energy transforming system and a control system; the energy supplying system consists of a high pressure air storage tank, a manual valve, a control electromagnetic valve A, a primary heat exchanger, a primary decompression air cylinder, a control electromagnetic valve B, a secondary heat exchanger, a secondary decompression air cylinder, a control electromagnetic valve C, a quantitative pre-spraying air cylinder and a control electromagnetic valve D, which are serially connected with each other through pipelines. The energy transforming system comprises a machine body, a work air cylinder, a crankshaft link-lever mechanism and a flywheel, wherein the work air cylinder is connected with the crankshaft link-lever mechanism through a piston, and the flywheel is connected with another end of the crankshaft link-lever mechanism. The control system consists of an electronic control unit, a signal collecting device and an executing device. By utilizing the compressed air or liquid nitrogen, the numeric control pneumatic engine is free from pollution, and is convenient to store and to transport, and has simple production process, high energy efficiency and convenient control, and can be used as the power source for the daily short-distance traffic or indoor traffic tool in the cities which are seriously polluted.
Description
Technical field
The utility model relates to a kind of numerical control pressurized air or liquid nitrogen power engine that is used for automobile power, belongs to the power assembly field.
Technical background
Automobile is mainly with consumption of fossil fuels such as gasoline, diesel oil and the rock gas source as power, and discharging comprises CO to the external world simultaneously
x, NO
xAnd CH
xTail gas etc. harmful matter.Automotive industry has also been brought the puzzlement of energy crisis and environmental pollution to human society when bringing present flourish vital to economy.The exhaustion of various fossil energies forces increasing people to begin to seek new energy, and has occurred the green concept automobile of running after fame with new energy successively.Compressed-air power engine is exactly to comply with this trend and the typical case of a kind of non-pollution discharge green car of producing.
The patent No. is 01108350.6, name be called " Pneumatic automobile " patent disclosure be a kind of steam turbine and pressurized air regeneration recovering device.The patent No. is 02290673.8, name be called " Pneumatic automobile pneumatic power machine " patent disclosure be improvement to ordinary internal combustion engine.The patent No. is 02111984.4, the name be called " motor car engine of pressurized air fuel vapor mixed power " patent disclosure be the motor car engine of the combustion engine powered mixed power of compressed-air power, oil and gas, it can be a power with pressurized air separately, can also use oil and gas and the pressurized air motor car engine as the mixed power of power simultaneously.Above-mentioned is the automobile of power with pressurized air, all there is certain problem: in use owing to pressurized gas swelling heat absorption in pipeline the heat exchanger frosting occurs, ices problems such as stifled, and to gas flow control difficulty, the pressure loss of energy of high-pressure air is big, and utilization ratio is low.The distribution device complexity of motor, the high and control difficulty of manufacture process requirement.
Summary of the invention
The purpose of this utility model is because the energy crisis that the internal-combustion engine extensive application is brought and the deterioration of environment for human survival at present; and the traditional, pneumatic motor is in use owing to pressurized gas swelling heat absorption in pipeline causes problems such as heat exchanger frosting, ice block up; and to gas flow control difficulty; the pressure loss of energy of high-pressure air is big, and utilization ratio is low.The distribution device complexity of motor, the high and control difficulty of manufacture process requirement provides a kind of numerical control pneumatic engine.
The technical solution adopted in the utility model is: comprise energy supply system, Conversion of energy system and control system; Described energy supply system is formed by the pipeline serial connection successively by high pressure tank, manually operated valve, control electromagnetic valve A, one-level heat exchanger, one-level decompression cylinder, control electromagnetic valve B, two-stage heat exchanger, second depressurized cylinder, control electromagnetic valve C, quantitative pre-jet cylinder, control electromagnetic valve D.
Described Conversion of energy system comprise body, working cylinder by piston be connected with crankshaft ﹠ connecting, flywheel is connected the crankshaft ﹠ connecting the other end.
Described control system is made up of electronic control unit, signal collecting device and actuating equipment; Wherein signal collecting device comprises: the pressure transducer that is installed in the high pressure tank place, be installed in the temperature transducer A at one-level heat exchanger place, be installed in the temperature and pressure transmitter group A at one-level decompression cylinder place, be installed in the temperature transducer B at two-stage heat exchanger place, be installed in the temperature and pressure transmitter group B at second depressurized cylinder place, be installed in the quantitatively temperature and pressure transmitter group C at pre-jet cylinder place, be installed in the temperature and pressure transmitter group D at working cylinder place, be installed in the crankshaft position sensor at crankshaft ﹠ connecting place, temperature and pressure transmitter group E and E-Gas device; Described actuating equipment comprises control electromagnetic valve A, control electromagnetic valve B, control electromagnetic valve C, control electromagnetic valve D, control electromagnetic valve E and starter motor, and is connected with electromagnetic wire between electronic control unit and each signal collecting device and the actuating equipment.
The utility model has utilized pressurized air or liquid nitrogen is pollution-free, storage and convenient transportation, preparation process are simple, characteristics such as energy efficiency height, control convenience, can be used as the daily short distance traffic in seriously polluted city or the power source of the indoor traffic tool, as: city bus, sightseeing pleasure-boat, trolley, indoor handbarrow, the golf course car, have enormous and latent market, have good application prospects.
Advantage of the present utility model is:
1, is prone to frosting at traditional, pneumatic engine thermal exchange system, even ice is stifled, cause the low situation of its energy efficiency, utilize Numeric Control Technology that accurately control is carried out in real time in the air inlet of the heat-exchange system of air motor, with frosting and the stifled phenomenon of ice of eliminating heat-exchange system, absorb the external environmemt heat as much as possible, and then realize improving the energy efficiency of numerical control pneumatic engine energy supply system.
2, at the engine power demand under the different operating modes, utilize Numeric Control Technology that accurate quantification control is carried out in the air inlet that enters the air motor working cylinder, get rid of the energy loss that the tail gas overpressure is brought to reduce air motor.
Description of drawings
Fig. 1 is system's connection diagram of the utility model numerical control pneumatic engine;
Among the figure: 1. high pressure tank; 2. manually operated valve; 3. pressure transducer; 4. control electromagnetic valve A; 5. one-level heat exchanger; 6. temperature transducer A; 7. one-level decompression cylinder; 8. temperature and pressure transmitter group A; 9. control electromagnetic valve B; 10. two-stage heat exchanger; 11. temperature transducer B; 12. second depressurized cylinder; 13. temperature and pressure transmitter group B; 14. control electromagnetic valve C; 15. quantitatively pre-spray cylinder; 16. temperature and pressure transmitter group C; 17. endothermic plate A; 18. control electromagnetic valve D; 19. outlet pipe assembly; 20. control electromagnetic valve E; 21. temperature and pressure transmitter group D; 22. working cylinder; 23. piston; 24. crankshaft ﹠ connecting; 25. flywheel; 26. crankshaft position sensor; 27. body; 28. starter motor; 29. endothermic plate B; 30. temperature and pressure transmitter group E; 31. electronic control unit; 32. E-Gas device.
Embodiment
As Fig. 1, numerical control pneumatic engine mainly is made up of energy supply system, Conversion of energy system and control system three big systems, and its working procedure mainly contains: energy is supplied with process and energy conversion process.
One, energy is supplied with process
The energy supply system of numerical control pneumatic engine is formed by the associated pipe serial connection successively by high pressure tank 1, manually operated valve 2, control electromagnetic valve A4, one-level heat exchanger 5, one-level decompression cylinder 7, control electromagnetic valve B 9, two-stage heat exchanger 10, second depressurized cylinder 12, control electromagnetic valve C 14, quantitative pre-jet cylinder 15, control electromagnetic valve D 18.Control system is made up of electronic control unit 31, signal collecting device and actuating equipment.Wherein signal collecting device comprises each temperature, pressure and position transducer and E-Gas device 32.Actuating equipment comprises each control electromagnetic valve and starter motor 28.Be connected with electromagnetic wire between electronic control unit 31 and each signal collecting device and the actuating equipment.High pressure tank 1 is provided with pressure transducer 3, with monitoring high pressure tank state of energy; One-level heat exchanger 5 is provided with temperature transducer A 6, working state with monitoring one-level heat exchanger, there is the situation that causes the frosting of one-level heat exchanger to occur if its temperature is low excessively, can control control electromagnetic valve A4 by electronic control unit 31 and open and the closed pressurized gas that flow into the one-level heat exchanger that reduce, to eliminate its frosting phenomenon; One-level decompression cylinder 7 is provided with temperature and pressure transmitter group A 8 monitoring its state of energy, and controls control electromagnetic valve A 4 and open and required real-time temperature of closing control algorithm and pressure parameters for electronic control unit 31 provides; Two-stage heat exchanger 10 is provided with temperature transducer B 11, working state with the monitoring two-stage heat exchanger, there is the situation that causes the frosting of one-level heat exchanger to occur if its temperature is low excessively, can control control electromagnetic valve B 9 by electronic control unit 31 and open and the closed pressurized gas that flow into two-stage heat exchanger that reduce, to eliminate its frosting phenomenon; Second depressurized cylinder 12 is provided with temperature and pressure transmitter group B 13 monitoring its state of energy, and controls control electromagnetic valve B9 and open and required real-time temperature of closing control algorithm and pressure parameter for electronic control unit 31 provides; Quantitatively pre-jet cylinder 15 is provided with endothermic plate 17, to absorb the external environmemt heat; Quantitatively pre-jet cylinder 15 is provided with temperature and pressure transmitter group C 16 to monitor its state of energy, electronic control unit 31 can be according to the different demand of E-Gas device 32 reactions, the engine speed that calculates in conjunction with the temperature of the pressure of temperature and pressure transmitter group C 16 reaction, by crankshaft position sensor 26, calculate the accurate air inflow of circuit pressurized gas of once doing work by electronic control unit 31, be stored in the quantitatively pre-jet cylinder 15 standbyly in advance, this moment, control electromagnetic valve D 18 was in closed condition.
Two, energy conversion process
The Conversion of energy system of numerical control pneumatic engine is made up of working cylinder 22, piston 23, crankshaft ﹠ connecting 24, flywheel 25, body 27 etc.Wherein working cylinder 22 can have one or more working cylinders by the other end numerical control pneumatic engine that piston 23 is connected with crankshaft ﹠ connecting 24, flywheel 25 is connected crankshaft ﹠ connecting 24, and each cylinder need be equipped with a quantitative pre-jet cylinder.Working cylinder 22 is provided with endothermic plate 29, to absorb the external environmemt heat.
The energy conversion process of numerical control pneumatic engine mainly experiences working stroke and exhaust stroke:
Working stroke before the numerical control pneumatic engine acting, makes numerical control pneumatic engine crankshaft ﹠ connecting 24 carry out the transition to directed rotary state by state of rest by the starter motor 28 that connects with flywheel 25.Open control electromagnetic valve D 18 closing control solenoid valve E 20 simultaneously when electronic control unit 31, pressurized gas enter into working cylinder 22 from quantitative pre-jet cylinder 15, and promotion piston 23 drive crankshaft ﹠ connectings 24 externally do work.
Exhaust stroke: if less to the power demand of numerical control pneumatic engine, electronic control unit 31 can be according to the different demand of E-Gas device 32 reactions, temperature in conjunction with the pressure of temperature and pressure transmitter group C 16 reaction, the engine speed that calculates by crankshaft position sensor 26, calculate the accurate air inflow of circuit pressurized gas of once doing work by electronic control unit 31, piston 23 reaches lower dead center, and the pressure that temperature and pressure transmitter group D 21 detects in the working cylinder 22 detects external environmemt pressure near temperature and pressure transmitter group E 30, electronic control unit 31 closing control solenoid valve D 18 open control electromagnetic valve E 20 simultaneously, get back to indication up to piston 23, tail gas enters atmosphere through outlet pipe assembly 19, finish exhaust stroke, this work---the exhaust work circulating energy is most effective.If it is bigger to numerical control pneumatic engine power, piston (23) reaches lower dead center, and temperature and pressure transmitter group D 21 detects pressure in the working cylinder (22) and is arranged on the extra-organismal sensor groups E 30 of numerical control pneumatic engine greater than temperature, pressure and detects external environmemt pressure, electronic control unit 31 also wants closing control solenoid valve D 18 to open control electromagnetic valve E 20 simultaneously, get back to indication up to piston 23, tail gas enters atmosphere through outlet pipe assembly 19, finish exhaust stroke, and the pressure of exhaust tail gas is greater than the pressure of external environmemt, so work---and the exhaust work circulation has the certain energy loss.
Claims (5)
1. a numerical control pneumatic engine comprises energy supply system, Conversion of energy system and control system; It is characterized in that: described energy supply system is formed by the pipeline serial connection successively by high pressure tank (1), manually operated valve (2), control electromagnetic valve A (4), one-level heat exchanger (5), one-level decompression cylinder (7), control electromagnetic valve B (9), two-stage heat exchanger (10), second depressurized cylinder (12), control electromagnetic valve C (14), quantitative pre-jet cylinder (15), control electromagnetic valve D (18);
2. a kind of numerical control pneumatic engine according to claim 1 is characterized in that: described Conversion of energy system comprises that body (27), working cylinder (22) are by piston (23) is connected with crankshaft ﹠ connecting (24), flywheel (25) is connected crankshaft ﹠ connecting (24) the other end.
3. a kind of numerical control pneumatic engine according to claim 1 is characterized in that: described control system is made up of electronic control unit (31), signal collecting device and actuating equipment; Wherein signal collecting device comprises and is installed in the pressure transducer (3) that high pressure tank (1) is located, be installed in the temperature transducer A (6) that one-level heat exchanger (5) is located, be installed in the temperature and pressure transmitter group A (8) that one-level decompression cylinder (7) is located, be installed in the temperature transducer B (11) that two-stage heat exchanger (10) is located, be installed in the temperature and pressure transmitter group B (13) that second depressurized cylinder (12) is located, be installed in the temperature and pressure transmitter group C (16) that quantitative pre-jet cylinder (15) is located, be installed in the temperature and pressure transmitter group D (21) that working cylinder (22) is located, be installed in the crankshaft position sensor (26) that crankshaft ﹠ connecting (24) is located, temperature and pressure transmitter group E (30) and E-Gas device (32); Described actuating equipment comprises control electromagnetic valve A (4), control electromagnetic valve B (9), control electromagnetic valve C (14), control electromagnetic valve D (18), control electromagnetic valve E (20) and starter motor (28), and is connected with electromagnetic wire between electronic control unit (31) and each signal collecting device and the actuating equipment.
4. a kind of numerical control pneumatic engine according to claim 1 is characterized in that: quantitatively pre-jet cylinder (15) outer wall is provided with endothermic plate (17).
5. a kind of numerical control pneumatic engine according to claim 2 is characterized in that: be provided with endothermic plate (29) on the outer wall of working cylinder (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202174385U CN201306193Y (en) | 2008-11-28 | 2008-11-28 | Numeric control pneumatic engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202174385U CN201306193Y (en) | 2008-11-28 | 2008-11-28 | Numeric control pneumatic engine |
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| Publication Number | Publication Date |
|---|---|
| CN201306193Y true CN201306193Y (en) | 2009-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202174385U Expired - Fee Related CN201306193Y (en) | 2008-11-28 | 2008-11-28 | Numeric control pneumatic engine |
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| Country | Link |
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| CN (1) | CN201306193Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926812A (en) * | 2012-10-24 | 2013-02-13 | 江苏大学 | Rotational speed control method for pilot injection type numerical control air-powered engine |
| CN103233778A (en) * | 2013-04-22 | 2013-08-07 | 安徽农业大学 | Electronic control pneumatic motor retrofitted from piston type air compressor |
| CN104295321A (en) * | 2014-09-19 | 2015-01-21 | 北京航空航天大学 | Piston type air-powered engine system |
| CN112664377A (en) * | 2020-12-04 | 2021-04-16 | 浙江吉利控股集团有限公司 | Engine operation auxiliary system and method |
-
2008
- 2008-11-28 CN CNU2008202174385U patent/CN201306193Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926812A (en) * | 2012-10-24 | 2013-02-13 | 江苏大学 | Rotational speed control method for pilot injection type numerical control air-powered engine |
| CN102926812B (en) * | 2012-10-24 | 2014-06-25 | 江苏大学 | Rotational speed control method for pilot injection type numerical control air-powered engine |
| CN103233778A (en) * | 2013-04-22 | 2013-08-07 | 安徽农业大学 | Electronic control pneumatic motor retrofitted from piston type air compressor |
| CN103233778B (en) * | 2013-04-22 | 2016-02-10 | 安徽农业大学 | A kind of ecp motor through piston type air compressor transformation |
| CN104295321A (en) * | 2014-09-19 | 2015-01-21 | 北京航空航天大学 | Piston type air-powered engine system |
| CN112664377A (en) * | 2020-12-04 | 2021-04-16 | 浙江吉利控股集团有限公司 | Engine operation auxiliary system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090909 Termination date: 20111128 |