CN104999900A - Exhaust waste heat returning system of lithium methoxide battery series-parallel type hybrid electric vehicle - Google Patents
Exhaust waste heat returning system of lithium methoxide battery series-parallel type hybrid electric vehicle Download PDFInfo
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- CN104999900A CN104999900A CN201510431730.1A CN201510431730A CN104999900A CN 104999900 A CN104999900 A CN 104999900A CN 201510431730 A CN201510431730 A CN 201510431730A CN 104999900 A CN104999900 A CN 104999900A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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Abstract
The invention discloses an exhaust waste heat returning system of a lithium methoxide battery series-parallel type hybrid electric vehicle. The exhaust waste heat returning system is arranged on the lithium methoxide battery series-parallel type hybrid electric vehicle so as to recycle the tail gas waste heat of a methanol engine. The methanol engine connected with a gas path of a methanol reformed gas device (8) and a lithium battery (2) provide power for the hybrid electric vehicle, and the methanol reformed gas device (8) is provided with an electric heater (9). The exhaust waste heat returning system is characterized in that the power exhaust waste heat returning system is composed of a controller, a valve system, corresponding pipelines and a temperature sensor, wherein the valve system and the corresponding pipelines are controlled by the controller, and the temperature sensor provides temperature information for the controller (1); a tail gas opening of the engine (5) is connected with a gas inlet end gas path of a first reversing valve (4); and the gas outlet end of the first reversing valve (4) is provided with three branches, namely, a first branch emptied through a silencer (11), a second branch for heating an outer cavity of the lithium battery (2) and a third branch for providing auxiliary heat for the methanol reformed gas device (8). According to the tail gas heat recycling system, exhaust waste heat can be fully utilized so that the aims of saving non-renewable energy resources and protecting the environment can be achieved, and the system is suitable for various loaded hybrid electric vehicles.
Description
Technical field
The present invention relates to hybrid vehicle, especially lithium methoxide battery Series-Parallel HEV exhaust residual-heat utilization device technical field.
Background technology
As the energy that current automobile primary will use, the gasoline of petroleum product and diesel oil, on the one hand, vehicle exhaust produces larger impact to environment; On the other hand, oil resources belong to non-renewable energy, face exhaustion.According to related data introduction, explored oil resources are with the exploitation of current speed, and can only exploit more than 40 year, natural fuels also can only exploit more than 60 year.Therefore automobile emergency needs Looking For Substitutions Of Oil, reduces the pollution to environment simultaneously.
Electronlmobil as the main energy sources automobile of 21 century, because electric energy belongs to secondary energy, abundance, the factors such as pollute little, noise is low, and energy efficiency is high, had an optimistic view of by industry, but battery electric vehicle, current Pinch technology, as energy density is low, not obtaining basic improvement, in order to ensure necessary continual mileage, huge, heavy battery pack will be equipped, take up space again, affect efficient loading again.If minimizing battery pack, continual mileage will inevitably be made to shorten, affect dynamic property again simultaneously.Usually carry out compromise, several respects are all undesirable.The leading product that the problems such as battery cost is high in addition, and charging duration is long, and specific power is low cause electronlmobil really to become automobile also need the regular hour.Fuel cell electric vehicle, if adopt pure hydrogen, faces energy density low equally, and continual mileage is short and storage band is difficult, needs to add the problems such as hydrogen network; If adopt gasoline ripe at present or methanol fuel cell, gasoline or methanol fuel are restructured as hydrogen, technical sophistication on the one hand, cost is high, and run up time is long, still needs gasoline or methyl alcohol.
In a period of time after present stage, hybrid vehicle becomes the emphasis vehicle of Main Auto development from now on, hybrid vehicle can combine the feature of electric energy and fuel (gasoline or diesel oil, alcohols etc.), both exhaust emission was decreased, additionally reduce the use of fuel, the performance of automobile is also affected not quite simultaneously.Current lithium methoxide battery series parallel hybrid power carries out the driving of automobile; now comparatively ripe satellite gear distributing means for power supply, methyl alcohol upgrading device of air and lithium battery power supply device are combined and achieves significant progress; but the long-time methanol-fueled engine that uses also will produce a large amount of waste gas residual heats; these waste heats how are utilized to add tail gas heat quantity recycling system on this basis; to reach the object of saving non-renewable energy resources and protection of the environment further, it is a problem being worth challenge.
Summary of the invention
In view of the above existing program of statement or the deficiency of correlation technique, the present invention is directed to methanol-fueled engine waste gas residual heat, propose the return system of lithium methoxide battery Series-Parallel HEV exhaust heat, overcome the above deficiency of prior art.
To achieve these goals, technical solution of the present invention is:
The return system of lithium methoxide battery Series-Parallel HEV exhaust heat, be arranged on lithium methoxide battery series parallel type hybrid vehicle to recycle methanol-fueled engine using waste heat from tail gas, hybrid vehicle power is provided by the methanol-fueled engine be connected with methyl alcohol upgrading device of air 8 gas circuit and lithium cell 2, and methyl alcohol upgrading device of air 8 is provided with electric heater 9.By controller, the valve system that is controlled by the controller with corresponding pipeline, provide the temperature sensor of temperature information to form the return system of power vent waste heat for controller 1: the tail gas mouth of methanol-fueled engine 5 is connected with the inlet end gas circuit of the first change-over valve 4; The outlet side of the first change-over valve 4 has three branch roads, namely by emptying the first branch road of silencer 11, for the second branch road of lithium cell 2 exocoel heating with provide the 3rd branch road of supplemental heat for methyl alcohol upgrading device of air 8.
Further, the inlet end 10 of the second change-over valve is connected with the tail gas discharge end of methyl alcohol upgrading device of air 8, and its outlet side is connected with the exocoel of silencer 11 with lithium cell group 2 respectively.
Lithium cell 2 electric supply installation comparatively ripe on application electric automobile market is on the one hand for the less operating mode of automobile provides power; Be the heat supply of methyl alcohol reformed gas device on the other hand, the temperature sensor be arranged in reformed gas device 8 is utilized to carry out monitoring temperature to this device, sensor 14,15 transfers signals to controller 1, when the temperature in reformed gas device 8 exceed reaction occur reach the standard grade temperature time, controller 1 sends signal, stops lithium cell group 2 to heat for reformed gas device 8; When the shortage of heat that tail gas provides is to reach the temperature of reacting and occurring, controller 1 sends signal, and lithium cell group 2 is heated for reformed gas device 8, ensures that temperature is in the range of temperatures of reaction.
Adopt tail gas heat quantity recycling system of the present invention, exhaust heat can be made full use of to reach the object of saving non-renewable energy resources and protection of the environment.
Accompanying drawing is described as follows:
Fig. 1 is tail gas heat quantity recycling system constructional drawing of the present invention.: number in the figure: 1 controller, 2 lithium cell groups, 3 cold air systems, 4,10 change-over valves, 5 methanol-fueled engines, 6 mixture gas inlet channels, 7 methanol tank, 8 methyl alcohol upgrading gas generating meanss, 9 heating arrangements, 11 silencers, 12,13,14,15 temperature sensors;
Fig. 2 is embodiment of the present invention satellite gear power transmission schematic diagram.Number in the figure: I sun wheel shaft (being connected with methanol-fueled engine), II sun wheel brake wheel, III slip engaging sleeve (can horizontally slip), IV external toothing brake wheel, V tight pulley, VI external toothing, VII external toothing power intake (being connected with lithium battery motivation), VIII pinion carrier (Power output) external toothing brake wheel, Ⅸ sun wheel.
Detailed description of the invention
In order to make the object, technical solutions and advantages of the present invention more clear, below in conjunction with accompanying drawing, the invention will be further described.Specific embodiment described herein only for explaining the present invention, is not intended to limit the present invention.
As shown in Figure 1:
Lithium cell 2 electric supply installation comparatively ripe on application electric automobile market is on the one hand for the less operating mode of automobile provides power; Be the heat supply of methyl alcohol reformed gas device on the other hand, the temperature sensor be arranged in reformed gas device 8 is utilized to carry out monitoring temperature to this device, sensor 14,15 transfers signals to controller 1, when the temperature in reformed gas device 8 exceed reaction occur reach the standard grade temperature time, controller 1 sends signal, stops lithium cell group 2 to heat for reformed gas device 8; When the shortage of heat that tail gas provides is to reach the temperature of reacting and occurring, controller 1 sends signal, and lithium cell group 2 is heated for reformed gas device 8, ensures that temperature is in the range of temperatures of reaction.
The process that heat carries out reclaiming is: by temperature sensor in pipeline 13 to controller 1 signal transmission, and controller 1 is analyzed the upgrading reaction that rear regulation and control scavenge valve is lithium cell 2 heat supply and gaseous methanol and provided suitable temperature.The tail gas heat quantity of methanol-fueled engine 5 can heat (when heating if necessary) to lithium cell 2 simultaneously and methyl alcohol upgrading device of air 8 provides heat; At Part load, if methanol-fueled engine 5 tail gas heat quantity be not enough to simultaneously for the two heat is provided time, tail gas heat quantity should provide heat preferentially to lithium cell 2, and ensure the normal operating temperature of lithium cell 2, methyl alcohol upgrading gas heat is provided by lithium cell 2; When lithium cell 2 is in normal working temperature range or higher than normal working temperature scope, methanol-fueled engine 5 tail gas heat quantity is only supplied to methyl alcohol upgrading device of air 8, and now automobile air system should give lithium cell 2 cooling down.As shown in Figure 1.
The temperature sensor 12 being arranged on lithium cell group 2, to controller 1 transmission signal, regulates and controls cold air system 3 and lithium cell group 2 is operated in optimal discharge range of temperatures after controller 1 analyzing and processing.
Can be seen by Fig. 2, the output shaft of methanol-fueled engine 5 is connected with the sun wheel shaft I of planet circular system, and the electrical motor of being powered by lithium cell group 2 is connected with external toothing axle VII, and pinion carrier VIII is Power output.When slip engaging sleeve III is enclosed within sun wheel brake wheel II and tight pulley V simultaneously, methanol-fueled engine stops Power output, after the transmission of power that electrical motor provides to external toothing VII, is exported by pinion carrier VIII.When slip engaging sleeve Ⅺ is enclosed within external toothing brake wheel IV and tight pulley V simultaneously, motor power can not export, and the power that methanol-fueled engine provides is exported by pinion carrier VIII after being delivered to sun wheel Ⅸ by sun wheel shaft I.When slip engaging sleeve III and Ⅺ is in a side position simultaneously, neither sun wheel brake wheel is engaged with tight pulley, when external toothing brake wheel IV not being engaged with tight pulley V again, methanol-fueled engine 5 and the electrical motor outputting power simultaneously of being powered by lithium cell 2.Apply the series-parallel connection that this device realizes methyl alcohol and lithium cell power.
Adopt basic scheme of the present invention, when reality is implemented, multiple different equivalent product can be derived, as long as be the technical scheme according to invention and inventive concept thereof, be equal to and replace and change, be all considered to belong to the protection domain of the claim of invention.
Claims (2)
1. the return system of lithium methoxide battery Series-Parallel HEV exhaust heat, be arranged on lithium methoxide battery series parallel type hybrid vehicle to recycle methanol-fueled engine using waste heat from tail gas, hybrid vehicle power is provided by the methanol-fueled engine be connected with methyl alcohol upgrading device of air 8 gas circuit and lithium cell 2, methyl alcohol upgrading device of air 8 is provided with electric heater 9, it is characterized in that, by controller, the valve system be controlled by the controller and corresponding pipeline, for controller 1 provides the temperature sensor of temperature information to form the return system of power vent waste heat: the tail gas mouth of driving engine 5 is connected with the inlet end gas circuit of the first change-over valve 4, the outlet side of the first change-over valve 4 has three branch roads, namely by emptying the first branch road of silencer 11, for the second branch road of lithium cell 2 exocoel heating with provide the 3rd branch road of supplemental heat for methyl alcohol upgrading device of air 8.
2. the return system of lithium methoxide battery Series-Parallel HEV exhaust heat as claimed in claim 1, it is characterized in that: the inlet end 10 of the second change-over valve is connected with the tail gas discharge end of methyl alcohol upgrading device of air 8, and its outlet side is connected with the exocoel of silencer 11 with lithium cell group 2 respectively.
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| CN201510431730.1A CN104999900A (en) | 2015-07-21 | 2015-07-21 | Exhaust waste heat returning system of lithium methoxide battery series-parallel type hybrid electric vehicle |
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| CN201510431730.1A CN104999900A (en) | 2015-07-21 | 2015-07-21 | Exhaust waste heat returning system of lithium methoxide battery series-parallel type hybrid electric vehicle |
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Cited By (2)
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| CN108357343A (en) * | 2018-02-12 | 2018-08-03 | 潍柴动力股份有限公司 | The power supply method and vehicle of a kind of hybrid power system, hybrid power system |
| CN111162303A (en) * | 2019-12-31 | 2020-05-15 | 中国矿业大学 | Solid oxide fuel cell stack, and unmanned aerial vehicle range extending control system and method based on solid oxide fuel cell stack |
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| CN111162303A (en) * | 2019-12-31 | 2020-05-15 | 中国矿业大学 | Solid oxide fuel cell stack, and unmanned aerial vehicle range extending control system and method based on solid oxide fuel cell stack |
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Application publication date: 20151028 |