CN104494412A - Automotive hybrid power system - Google Patents
Automotive hybrid power system Download PDFInfo
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- CN104494412A CN104494412A CN201410735825.8A CN201410735825A CN104494412A CN 104494412 A CN104494412 A CN 104494412A CN 201410735825 A CN201410735825 A CN 201410735825A CN 104494412 A CN104494412 A CN 104494412A
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- liquid nitrogen
- engine
- gasifier
- power system
- spark ignition
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Abstract
The invention relates to the field of automotive power, in particular to an automotive hybrid power system. The automotive hybrid power system comprises a first wheel pair, a second wheel pair, driving motors, a storage battery, a circuit control unit, an engine and a gearbox, wherein the storage battery is electrically connected with the driving motors so as to supply electricity to the driving motors; the engine is connected with the gearbox; one driving motor is connected onto each of two wheels of the first wheel pair; each of two wheels of the second wheel pair is connected to the gearbox through a driving shaft; the circuit control unit is electrically connected with the driving motors, the storage battery and the engine so as to control the components and receive feedback signals thereof; the two driving motors are independently controlled by the circuit control unit; two different power sources are separately arranged, so that compared with a centralized arrangement way, the automotive hybrid power system is simpler in structure; the automotive hybrid power system can achieve four-wheel hybrid driving to improve the passing performance of a vehicle, and can improve the operating stability and the driving safety of the vehicle by independently controlling the single driving motor on the first wheel pair.
Description
Technical field
The present invention relates to automobile power equipment, particularly a kind of hybrid power system for automobile.
Background technology
Traditional automobile power equipment, the engine structure that to be generally with gasoline, gasoline be fuel.Along with the development and progress of society, the owning amount of automobile gets more and more, for society and people bring great convenience, but above-mentioned automobile power also exists following shortcoming or deficiency simultaneously: 1. fuel oil consumption total amount is very large, these non-renewable petroleum base energy are more and more in short supply, more and more costliness bring puzzlement; 2. a large amount of discharge pollution on the environments of tail gas are more and more serious, and directly endanger the life and health of people, particularly big and medium-sized cities are especially obvious.
Summary of the invention
The object of this invention is to provide a kind of hybrid power system for automobile, adopt the hybrid power system that liquid nitrogen engine, spark ignition engine or spark ignition engine or natural gas engine, air heat pump are three-in-one, effectively overcome or avoid the shortcoming that exists in above-mentioned prior art or deficiency.
Hybrid power system for automobile of the present invention, comprises the spark ignition engine be installed on car chassis, driving device, dynamic mixer, liquid nitrogen engine, high pressure gasifier, secondary gasifier, one-level gasifier, air energy heat pump, liquid nitrogen pump, liquid nitrogen storage tank, transfer valve.Described spark ignition engine and liquid nitrogen engine parallel being connected with dynamic mixer installs, and the exhaust pipe of spark ignition engine is connected with high pressure gasifier and secondary gasifier in turn; The weary nitrogen tube of liquid nitrogen engine is connected with one-level gasifier and installs, and liquid nitrogen storage tank is connected with liquid nitrogen pump, air energy heat pump, liquid nitrogen tracheae, one-level gasifier, secondary gasifier, high pressure gasifier and liquid nitrogen engine in turn.
Wherein, described spark ignition engine 1 also can be spark ignition engine or natural gas engine.Described liquid nitrogen storage tank is placed in bottom car chassis.Described liquid nitrogen tracheae is connected with high pressure gasifier with safety valve by one-level gasifier, secondary gasifier, boiler check valve.Described liquid nitrogen pump is directly connected with one-level gasifier with liquid nitrogen tracheae by boiler check valve.The quantity of described liquid nitrogen engine and gasoline engine cylinder is that a cylinder is to 15 cylinders.The heat exchanger tube that working cylinder each with spark ignition engine is corresponding is furnished with, the corresponding boiler check valve of every root heat exchanger tube and a safety valve in described high pressure gasifier.
The present invention compared with prior art tool has the following advantages:
1, utilize the empty point of liquid nitrogen cold energy produced to be power, make full use of spark ignition engine using waste heat from tail gas and jacket cooling waste heat and air environment heat, for automobile provides new energy sources widely;
2, reduce automotive gasoline acc power, its power only has about 1/3rd of prototype spark ignition engine, and provide supremacy clause for ensureing that spark ignition engine works in the power range of less expensive, energy-saving effect is given prominence to;
3, during air energy thermal pump work, while providing heat for liquid nitrogen gasification, also can be truck body and refrigeration is provided; Improve the exhaust emissions of city bus operation car, be of value to environmental protection.
Accompanying drawing explanation
Accompanying drawing is a kind of example structure schematic diagram of the present invention.
Concrete implementation
Accompanying drawings, a kind of hybrid power system for automobile, comprises the spark ignition engine 1 be installed on car chassis, driving device 2, dynamic mixer 3, liquid nitrogen engine 7, high pressure gasifier 8, secondary gasifier 11, one-level gasifier 12, air energy heat pump 14, liquid nitrogen pump 15, liquid nitrogen storage tank 16, transfer valve 5.Spark ignition engine 1 and liquid nitrogen engine 7 parallel being connected with dynamic mixer 3 install, and the exhaust pipe 6 of spark ignition engine 1 is connected with high pressure gasifier 8 and secondary gasifier 11 in turn; The weary nitrogen tube 19 of liquid nitrogen engine 7 is connected with one-level gasifier 12 and installs, and liquid nitrogen storage tank 16 is connected with liquid nitrogen pump 15, air energy heat pump 14, liquid nitrogen tracheae 13, one-level gasifier 12, secondary gasifier 11, high pressure gasifier 8 and liquid nitrogen engine 7 in turn.
Spark ignition engine 1 also can be spark ignition engine or natural gas engine.Liquid nitrogen storage tank 16 is placed in bottom car chassis.Liquid nitrogen tracheae 13 is connected with high pressure gasifier 8 with safety valve 9 by one-level gasifier 12, secondary gasifier 11, boiler check valve 10.As ambient air temp lower than 5 DEG C time, liquid nitrogen directly can be sent into one-level gasifier 12, now, liquid nitrogen pump 15 is directly connected with one-level gasifier 12 with liquid nitrogen tracheae 13 by boiler check valve 10.When liquid nitrogen storage tank 16 does not have liquid nitrogen, spark ignition engine 1 is by radiator fan heat radiation, and the tail gas of spark ignition engine 1 discharges by discharge side 4.Cooling water expansion tank through liquid nitrogen engine 7 returns the cooling system of spark ignition engine 1 from the lower pipeline 20 of liquid nitrogen engine 7.The quantity of liquid nitrogen engine 7 and spark ignition engine 1 cylinder be a cylinder to 15 cylinders, can determine according to the needs of automobile power, in figure, be expressed as four cylinders.Spark ignition engine 1 and liquid nitrogen engine 7 to be connected with dynamic mixer 3 by driving device 2 and to install.The heat exchanger tube corresponding with each working cylinder of spark ignition engine 1 is furnished with, the corresponding boiler check valve 10 of every root heat exchanger tube and a safety valve 9 in described high pressure gasifier 8.Liquid nitrogen storage tank 16 is incubated and is placed in bottom of car, after liquid nitrogen is extracted out pressurization by liquid nitrogen pump 15 from liquid nitrogen storage tank 16, air energy heat pump 14 is sent into through boiler check valve 10, first-class heat exchanger 12 is entered after heating and gasifying, heated by the weary nitrogen of discharging from liquid nitrogen engine 7 and enter secondary gasifier 11 after gasifying, after gasification further of heating from spark ignition engine 1 using waste heat from tail gas, enter after high pressure gasifier 8 heating boosting through boiler check valve 10, enter liquid nitrogen engine 7 expansion work.Enter after first-class heat exchanger 12 gasifies through boiler check valve 10 after liquid nitrogen also directly can extract pressurization out by liquid nitrogen pump 15 from liquid nitrogen storage tank 16 and enter secondary gasifier 11, enter high pressure gasifier 8 through boiler check valve 10 after further gasification and heat boosting, enter liquid nitrogen engine 7 expansion work.Weary nitrogen after acting enters in air through one-level gasifier 12.After spark ignition engine 1 works, its tail gas enters in air after arriving high pressure gasifier 8 and secondary gasifier 11 in turn by spark ignition engine exhaust pipe 6.The waste gas that liquid nitrogen engine 7 is discharged enters after first-class heat exchanger 12 through pipeline 19 discharges.
When automobile normally runs, the jacket cooling access liquid nitrogen engine 7 of spark ignition engine 1, for nitrogen expansion work in cylinder provides auxiliary thermal source; When liquid nitrogen storage tank 16 do not have liquid nitrogen or liquid nitrogen engine 7 absorb heat can not meet gasoline engine cylinder sleeve cooling time, the jacket cooling of spark ignition engine 1 is all or part of to fan water tank.Air energy heat pump 14 provides primary heat source for liquid nitrogen gasification, and simultaneously during hot weather, its cold wind can pass into truck body and provide cold wind.Air is entered by air energy heat pump 14 import 17, discharges from outlet 18.Start liquid nitrogen pump 15, liquid nitrogen boosted and sends in air energy heat pump 14, after elementary gasification, flowing into one-level gasifier 12; As ambient-air temperature lower than 5 DEG C time, liquid nitrogen directly can be sent into one-level gasifier 12, enter secondary gasifier 11 afterwards, liquid nitrogen gasification forms initial stage low-pressure gas, nitrogen after initial stage gasification enters high pressure gasifier 8 through boiler check valve 10, in high pressure gasifier 8, form high pressure gas by the boosting of spark ignition engine 1 using waste heat from tail gas, general control is at about 3MPa ~ 4MPa.Start liquid nitrogen engine 7, control each cylinder sequence air inlet and exhaust.After corresponding cylinder intake, high pressure gasifier 8 pressure reduces, and the nitrogen of low pressure just can open corresponding boiler check valve 10, enters in corresponding high pressure gasifier 8 heat exchanger tube.Nitrogen continues to absorb the heat from Engine jacket water after entering cylinder, escapes and enter one-level gasifier 12 heat exchange, enter afterwards in air after expansion work.In above-mentioned working process, spark ignition engine 1 using waste heat from tail gas enters in air successively after high pressure gasifier 8 and secondary gasifier.When air energy heat pump 14 works, while providing heat for liquid nitrogen gasification, also can be truck body and refrigeration is provided.When automobile normally runs, based on liquid nitrogen engine 7 power, be auxiliary with spark ignition engine 1 power.Spark ignition engine 1 still as normal automobile power, for automobile except travel except miscellaneous equipment power is provided.Generally, spark ignition engine 1 power is about the half of liquid nitrogen engine 7 power.To general bus, air energy heat pump 14 refrigerating capacity is about 3P (2.6kW).As there is no liquid nitrogen in liquid nitrogen storage tank 16, liquid nitrogen pump 15 and air energy heat pump 14 can be closed, and spark ignition engine 1 cooling water expansion tank is switched to traditional fan water tank cooling system, spark ignition engine 1 tail gas is emptying by transfer valve bypass 4, and automobile only runs by spark ignition engine 1 power maintenance.
Claims (5)
1. a hybrid power system for automobile, comprise the spark ignition engine be installed on car chassis, driving device, power mixing, liquid nitrogen engine, high pressure gasifier, secondary gasifier, one-level gasifier, air energy heat pump, liquid nitrogen pump, liquid nitrogen storage tank, transfer valve, it is characterized in that described spark ignition engine and liquid nitrogen engine parallel being connected with dynamic mixer installs, the exhaust pipe of spark ignition engine is connected with high pressure gasifier and secondary gasifier in turn; The weary nitrogen tube of liquid nitrogen engine is connected with one-level gasifier and installs, liquid nitrogen storage tank is connected with liquid nitrogen pump, air energy heat pump, liquid nitrogen tracheae, one-level gasifier, secondary gasifier, high pressure gasifier and liquid nitrogen engine in turn, it is characterized in that described spark ignition engine can be spark ignition engine or natural gas engine.
2. hybrid power system for automobile according to claim 1, is characterized in that described liquid nitrogen storage tank is placed in bottom car chassis.
3. hybrid power system for automobile according to claim 1, is characterized in that described liquid nitrogen tracheae is connected with high pressure gasifier with safety valve by one-level gasifier, secondary gasifier, boiler check valve.
4. hybrid power system for automobile according to claim 1, is characterized in that described liquid nitrogen pump is directly connected with one-level gasifier with liquid nitrogen tracheae by boiler check valve.
5. hybrid power system for automobile according to claim 1 and 2, is characterized in that the quantity of liquid nitrogen engine and gasoline engine cylinder is that a cylinder is to 15 cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410735825.8A CN104494412A (en) | 2014-12-05 | 2014-12-05 | Automotive hybrid power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410735825.8A CN104494412A (en) | 2014-12-05 | 2014-12-05 | Automotive hybrid power system |
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| CN104494412A true CN104494412A (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410735825.8A Pending CN104494412A (en) | 2014-12-05 | 2014-12-05 | Automotive hybrid power system |
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Citations (7)
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|---|---|---|---|---|
| CN201195493Y (en) * | 2008-03-24 | 2009-02-18 | 南京汽车集团有限公司 | Power transmission system of hybrid power automobile |
| CN101434193A (en) * | 2007-11-14 | 2009-05-20 | 北京航天发射技术研究所 | Series-parallel connection type hybrid power drive system and coach with the same |
| JP4334658B2 (en) * | 1999-03-26 | 2009-09-30 | 株式会社エクォス・リサーチ | Hybrid vehicle |
| CN102320236A (en) * | 2011-05-30 | 2012-01-18 | 马晓晨 | Hybrid automobile power system |
| CN102642459A (en) * | 2012-05-17 | 2012-08-22 | 张志新 | Liquid-electricity-gas mixed power system of automobile |
| US20120323417A1 (en) * | 2011-06-16 | 2012-12-20 | Horiba, Ltd. | Examination system for electric vehicle or hybrid electric vehicle |
| CN103318011A (en) * | 2013-06-18 | 2013-09-25 | 胡其节 | Novel automobile hybrid power assembly system |
-
2014
- 2014-12-05 CN CN201410735825.8A patent/CN104494412A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4334658B2 (en) * | 1999-03-26 | 2009-09-30 | 株式会社エクォス・リサーチ | Hybrid vehicle |
| CN101434193A (en) * | 2007-11-14 | 2009-05-20 | 北京航天发射技术研究所 | Series-parallel connection type hybrid power drive system and coach with the same |
| CN201195493Y (en) * | 2008-03-24 | 2009-02-18 | 南京汽车集团有限公司 | Power transmission system of hybrid power automobile |
| CN102320236A (en) * | 2011-05-30 | 2012-01-18 | 马晓晨 | Hybrid automobile power system |
| US20120323417A1 (en) * | 2011-06-16 | 2012-12-20 | Horiba, Ltd. | Examination system for electric vehicle or hybrid electric vehicle |
| CN102642459A (en) * | 2012-05-17 | 2012-08-22 | 张志新 | Liquid-electricity-gas mixed power system of automobile |
| CN103318011A (en) * | 2013-06-18 | 2013-09-25 | 胡其节 | Novel automobile hybrid power assembly system |
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Application publication date: 20150408 |