CN108798846B - Power generation system and method of new energy automobile - Google Patents
Power generation system and method of new energy automobile Download PDFInfo
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- CN108798846B CN108798846B CN201810603078.0A CN201810603078A CN108798846B CN 108798846 B CN108798846 B CN 108798846B CN 201810603078 A CN201810603078 A CN 201810603078A CN 108798846 B CN108798846 B CN 108798846B
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- tail gas
- cavity
- heat exchange
- exhaust
- ring body
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting from exhaust energy
- F01N5/04—Exhaust or silencing apparatus combined or associated with devices profiting from exhaust energy the devices using kinetic energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
- F01K25/14—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours using industrial or other waste gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/082—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases passing through porous members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
- F01N1/18—Silencing apparatus characterised by method of silencing by using movable parts having rotary movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting from exhaust energy
- F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting from exhaust energy the devices using heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/04—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture
- F02M31/042—Combustion air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/04—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture
- F02M31/06—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture by hot gases, e.g. by mixing cold and hot air
- F02M31/08—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture by hot gases, e.g. by mixing cold and hot air the gases being exhaust gases
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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
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention discloses a power generation system of a new energy automobile, which comprises a power generation silencing barrel and an air preheating barrel; the left and right sides of the power generation and noise elimination cylinder and the air preheating cylinder are integrally communicated and connected with each other with the same axle center; the inner cavity of the power generation and noise elimination cylinder is a cylindrical tail gas transduction cavity; the inner cavity of the air preheating cylinder is a cylindrical tail gas heat exchange cavity; the rotary impeller of the invention is subjected to the dual driving force of the continuous driving force of the external energy conversion blades and the explosive driving force of the internal energy conversion blades, so that the output torque of the kinetic energy output shaft is stronger and more continuous.
Description
Technical Field
The invention belongs to the field of new energy automobiles, and particularly relates to a power generation system and a power generation method of a new energy automobile.
Background
The portable generator taking the internal combustion engine as power can be used as a standby power supply when the battery of the new energy automobile is exhausted; the tail gas of the existing internal combustion engine generator actually contains a large amount of impact kinetic energy and heat energy, and if the tail gas is directly discharged, energy loss is caused.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a power generation system and a power generation method of a new energy automobile.
The technical scheme is as follows: in order to achieve the purpose, the power generation system of the new energy automobile comprises a power generation silencing barrel and an air preheating barrel; the left and right sides of the power generation and noise elimination cylinder and the air preheating cylinder are integrally communicated and connected with each other with the same axle center; the inner cavity of the power generation and noise elimination cylinder is a cylindrical tail gas transduction cavity; the inner cavity of the air preheating cylinder is a cylindrical tail gas heat exchange cavity;
the inner wall of the tail gas heat exchange cavity is spirally provided with a spiral heat exchange tube, and the tail gas heat exchange cavity also comprises a cold air inlet pipe and a hot air outlet pipe; the air outlet end of the cold air inlet pipe is communicated with the air inlet end of the right end of the spiral heat exchange pipe; the air inlet end of the hot air outlet pipe is communicated and connected with the air outlet end at the left end of the spiral heat exchange pipe, and the hot air outlet pipe is communicated with an air inlet valve of an engine; the exhaust pipe is communicated with the right end of the tail gas heat exchange cavity;
a rotary impeller is arranged in the tail gas transduction cavity in a coaxial rotating mode, a gas storage shunt cylinder is further arranged at the left end in the tail gas transduction cavity in a coaxial mode, the gas storage shunt cylinder is of a cylindrical closed cavity structure, and the inner cavity of the gas storage shunt cylinder is a tail gas shunt cavity;
the exhaust port of the engine exhaust pipe is coaxially communicated with the tail gas shunting cavity of the gas storage shunting barrel;
the tail gas spraying pipe is of a hard bent pipe structure; the air inlet ends of the six tail gas spray pipes are communicated with the tail gas diversion cavity together; the tail gas spraying end of each tail gas spraying pipe corresponds to a plurality of internal energy conversion blades on the rotating impeller; each tail gas spray pipe sprays tail gas to a plurality of internal energy conversion blades on the rotating impeller to drive the impeller to rotate;
the tail gas heat exchange cavity comprises a tail gas heat exchange cavity, an output shaft penetrating hole, a kinetic energy output shaft and a generator, wherein one end of the kinetic energy output shaft can rotatably penetrate through the output shaft penetrating hole and is integrally and synchronously connected with the rotating impeller with the same axis, and the rotating impeller drives the kinetic energy output shaft to rotate synchronously; the other end of the kinetic energy output shaft is in transmission connection with a machine core rotor of the generator; the kinetic energy output shaft can drive the rotor of the generator to rotate.
Furthermore, the rotary impeller is of a ring body cylindrical structure coaxial with the tail gas transduction cavity, and a tail gas directional flow channel is formed between the rotary impeller and the inner wall of the power generation and noise elimination cylinder; the conversion impeller sequentially comprises a left ring body and a right ring body which are integrally connected along the axis direction; the inner wall between the left ring body and the right ring body is coaxially provided with a ring disc, and the middle part of the ring disc is provided with a ring disc hollow hole in a hollow manner;
the right end of the right ring body is integrally and hermetically provided with a connecting disc coaxially, and the connecting disc is integrally and synchronously connected with the kinetic energy output shaft; a rotational flow cavity is formed between the connecting disc and the ring disc, a flue gas overflow cavity is formed on the left side of the ring disc, an exhaust cavity is formed on the right side of the connecting disc, and the exhaust cavity is communicated with the left end of the tail gas heat exchange cavity; the left end part of the left ring body is arranged in a gap with the left end wall of the tail gas transduction cavity; the inner wall of the ring body of the right ring body is provided with a plurality of internal energy conversion blades in a circumferential array, and the outer wall of the ring body of the right ring body is also provided with a plurality of external energy conversion blades in a circumferential array; the external energy conversion blade is an axial flow fan blade, and the tail gas flowing in the tail gas directional flow channel in a directional mode can push the external energy conversion blade and drive the rotary impeller to rotate; the cylindrical wall surface of the left ring body is circumferentially and uniformly provided with a plurality of smoke overflow silencing holes, each smoke overflow silencing hole conducts the smoke overflow cavity and the tail gas directional flow channel with each other, and the right end of the tail gas directional flow channel conducts the exhaust cavity.
Furthermore, a flow guiding cone is coaxially arranged in the tail gas diversion cavity, the flow guiding cone is of a hard cone structure, the tip end of the flow guiding cone faces one side of the exhaust port, and the thick end of the flow guiding cone is integrally and fixedly connected with the end wall on the opposite side of the exhaust port; six communicated parts of the six tail gas spray pipes and the tail gas diversion cavity are circumferentially arrayed on the end wall.
Furthermore, the internal energy conversion blades are of rectangular straight blade structures, the included angle formed by the surfaces of the internal energy conversion blades and the diameter passing through the roots of the internal energy conversion blades is α, 35 degrees is larger than α degrees and smaller than 55 degrees, the circular ring structure corresponding to the diameter is a right ring body, the tail ends of the tail gas spray pipes extend outwards in a divergent mode, the tail gas nozzles at the tail ends of the tail gas spray pipes are distributed on the inner side enclosed by the ring body of the right ring body in a circumferential array mode, and the surfaces of any internal energy conversion blades can rotate to be overlapped with the nozzle extending lines of the tail gas nozzles.
Further, a method of a power generation system of a new energy automobile comprises the following steps:
the exhaust valve of the engine continuously discharges tail gas shock waves which are in rhythm periodic change to the exhaust pipe of the engine, and then the tail gas shock waves are flushed out from the exhaust port of the exhaust pipe of the engine to the tail gas diversion cavity; meanwhile, the continuous rotation of the internal energy conversion blades on the inner wall of the rotating impeller is matched with the smoke and impact waves sprayed out of the tail gas nozzles at the same time to form rotational flow in the rotational flow cavity, so that the residual impact kinetic energy is decomposed in the rotational flow cavity, and the silencing effect is achieved; then the flue gas at the center of the rotational flow cavity overflows into the flue gas overflow cavity through the hollow circular disc holes in the middle of the circular disc, the tail gas shock wave is further weakened, and further the flue gas in the flue gas overflow cavity uniformly overflows into a tail gas directional flow channel through each flue gas overflow silencing hole, and further the flue gas in the tail gas directional flow channel continuously and stably flows towards the direction of a smoke exhaust pipe; meanwhile, tail gas flowing directionally in the tail gas directional flow channel pushes the outer energy conversion blades and drives the rotating impeller to rotate, and the rotating impeller is subjected to double driving forces of continuous driving force of the outer energy conversion blades and explosive driving force of the inner energy conversion blades, so that the output torque of the kinetic energy output shaft is stronger and more continuous; then the flue gas in the tail gas directional flow channel enters an exhaust cavity; and then the high temperature flue gas in the exhaust cavity enters into the tail gas heat transfer cavity, and then the high temperature flue gas in the tail gas heat transfer cavity heats spiral heat exchange tube in succession, and then preheats the air that flows through in the spiral heat exchange tube, and the air that is preheated in the spiral heat exchange tube flows out through the superheated air outlet duct and finally enters into the cylinder of engine through the (air) intake valve of engine, makes the air that gets into in the engine combustion chamber obtain preheating in advance, and then indirectly improves the efficiency of engine.
Has the advantages that: the rotary impeller is subjected to the dual driving force of the continuous driving force of the external energy conversion blades and the explosive driving force of the internal energy conversion blades, so that the output torque of the kinetic energy output shaft is stronger and more continuous; then the flue gas in the tail gas directional flow channel enters an exhaust cavity; and then the high temperature flue gas in the exhaust cavity enters into the tail gas heat transfer cavity, and then the high temperature flue gas in the tail gas heat transfer cavity heats spiral heat exchange tube in succession, and then preheats the air that flows through in the spiral heat exchange tube, and the air that is preheated in the spiral heat exchange tube flows out through the superheated air outlet duct and finally enters into the cylinder of engine through the (air) intake valve of engine, makes the air that gets into in the engine combustion chamber obtain preheating in advance, and then indirectly improves the efficiency of engine.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an overall front cross-sectional view of the present invention;
FIG. 3 is an overall perspective cross-sectional view of the present invention;
FIG. 4 is an axial cross-sectional view of the right ring body of the present invention;
FIG. 5 is a first perspective cut-away view of the present invention with the rotating impeller concealed;
FIG. 6 is a second perspective cut-away view of the present invention with the rotating impeller concealed;
FIG. 7 is a schematic view of a rotary impeller structure;
fig. 8 is a schematic perspective cut-away view of a rotary impeller.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The power generation system of the new energy automobile shown in fig. 1 to 8 comprises a power generation silencing barrel 13 and an air preheating barrel 106; the power generation and noise elimination barrel 13 and the air preheating barrel 106 are integrally communicated and connected with each other at the left and right coaxial centers; the inner cavity of the power generation and noise elimination barrel 13 is a cylindrical tail gas transduction cavity 6; the inner cavity of the air preheating cylinder 106 is a cylindrical tail gas heat exchange cavity 110;
the inner wall of the tail gas heat exchange cavity 110 is spirally provided with a spiral heat exchange pipe 104, and further comprises a cold air inlet pipe 109 and a hot air outlet pipe 108; the air outlet end of the cold air inlet pipe 109 is communicated with the air inlet end of the right end of the spiral heat exchange pipe 104; the air inlet end of the hot air outlet pipe 108 is communicated and connected with the air outlet end at the left end of the spiral heat exchange pipe 104, and the hot air outlet pipe 108 is communicated with an air inlet valve of an engine; the tail gas heat exchange device also comprises a smoke exhaust pipe 15, wherein the smoke exhaust pipe 15 is communicated with the right end of the tail gas heat exchange cavity 110;
a rotary impeller 3 is coaxially and rotatably arranged in the tail gas transduction cavity 6, a gas storage shunt cylinder 5 is coaxially arranged at the left end in the tail gas transduction cavity 6, the gas storage shunt cylinder 5 is of a cylindrical closed cavity structure, and the inner cavity of the gas storage shunt cylinder 5 is a tail gas shunt cavity 19;
the exhaust device also comprises an engine exhaust pipe 14, and an exhaust port 18 of the engine exhaust pipe 14 is coaxially communicated with a tail gas shunting cavity 19 of the gas storage shunting cylinder 5;
the exhaust gas spraying device also comprises six exhaust gas spraying pipes 11 which are distributed in a radial shape, wherein the exhaust gas spraying pipes 11 are of a hard bent pipe structure; the air inlet ends of the six tail gas spray pipes 11 are communicated with the tail gas distributing cavity 19; the tail gas spraying end 10 of each tail gas spraying pipe 11 corresponds to a plurality of internal energy conversion blades 8 on the rotating impeller 3; each tail gas spray pipe 11 sprays tail gas to a plurality of internal energy conversion blades 8 on the rotating impeller 3 to drive the impeller to rotate;
the right end of the tail gas heat exchange cavity 110 is coaxially provided with an output shaft through hole 12, and further comprises a kinetic energy output shaft 2 and a generator 73, one end of the kinetic energy output shaft 2 can rotatably penetrate through the output shaft through hole 12 and is integrally and synchronously connected with the rotary impeller 3 coaxially, and the rotary impeller 3 drives the kinetic energy output shaft 2 to rotate synchronously; the other end of the kinetic energy output shaft 2 is in transmission connection with a machine core rotor of a generator 73; the kinetic energy output shaft 2 can drive the rotor of the generator to rotate.
The rotary impeller 3 is of a ring body cylindrical structure coaxial with the tail gas transduction cavity 6, and a tail gas directional flow channel 26 is formed between the rotary impeller 3 and the inner wall of the power generation and noise elimination cylinder 13; the conversion impeller 3 sequentially comprises a left ring body 41 and a right ring body 42 which are integrally connected along the axial direction; the inner wall between the left ring body 41 and the right ring body 42 is coaxially provided with a ring disc 101, and the middle part of the ring disc 101 is provided with a ring disc hollow hole 102 in a hollow manner;
the right end of the right ring body 42 is coaxially and integrally and hermetically provided with a connecting disc 9, and the connecting disc 9 is integrally and synchronously connected with the kinetic energy output shaft 2; a rotational flow cavity 20 is formed between the connecting disc 9 and the annular disc 101, a flue gas overflow cavity 20.1 is formed at the left side of the annular disc 101, an exhaust cavity 21 is formed at the right side of the connecting disc 9, and the exhaust cavity 21 is communicated with the left end of the tail gas heat exchange cavity 110; the left end part 1 of the left ring body 41 and the left end wall 16 of the tail gas energy conversion cavity 6 are arranged in a clearance mode; a plurality of internal energy conversion blades 8 are arranged on the inner wall of the ring body of the right ring body 42 in a circumferential array, and a plurality of external energy conversion blades 76 are arranged on the outer wall of the ring body of the right ring body 42 in a circumferential array; the external energy conversion blade 76 is an axial flow fan blade, and the tail gas flowing in the tail gas directional flow channel 26 in a directional manner can push the external energy conversion blade 76 and drive the rotary impeller 3 to rotate; the cylindrical wall surface of the left ring body 41 is circumferentially and uniformly provided with a plurality of smoke overflow silencing holes 7, each smoke overflow silencing hole 7 conducts the smoke overflow cavity 20.1 and the tail gas directional flow channel 26 with each other, and the right end of the tail gas directional flow channel 26 conducts the exhaust cavity 21.
A flow guide cone 17 is coaxially arranged in the exhaust gas diversion cavity 19, the flow guide cone 17 is of a hard cone structure, the tip end of the flow guide cone 17 faces one side of the exhaust port 18, and the thick end of the flow guide cone 17 is integrally and fixedly connected with an end wall 19.1 on the opposite side of the exhaust port 18; six communicated positions of the six tail gas spray pipes 11 and the tail gas diversion cavity 19 are circumferentially arrayed on the end wall 19.1; the diversion cone 17 enables the tail gas sprayed into the tail gas diversion cavity 19 to be evenly diverted into the tail gas kinetic energy spray pipes 11, so that the impact force of the tail gas shock wave sprayed out of each tail gas kinetic energy spray pipe 11 tends to be consistent, and the stability of the output rotary kinetic energy of the rotary impeller 3 is further improved, and the detailed process is described in detail later;
the internal energy conversion blades 8 are of rectangular straight blade structures, the included angle formed by the surface where the internal energy conversion blades 8 are located and the diameter 23 passing through the root portion of the internal energy conversion blades 8 is α, the included angle is 35 degrees & lt α & lt 55 degrees, the circular ring structure corresponding to the diameter 23 is a right ring body 42, the tail ends of a plurality of exhaust gas spray pipes 11 extend outwards in a divergent mode, the exhaust gas nozzles 10 at the tail ends of the exhaust gas spray pipes 11 are distributed on the inner side enclosed by the ring body of the right ring body 42 in a circumferential array mode, the surface where any one internal energy conversion blade 8 is located can rotate to be overlapped with the nozzle extending line 22 of the exhaust gas nozzles 10, and the exhaust gas sprayed from the exhaust gas nozzles 10 of the exhaust gas spray pipes 11 can convert impact kinetic energy into rotation kinetic energy of the rotary impeller 3 to the maximum extent due to the angle relation between the spraying direction of the exhaust gas spray nozzles 10 and.
The method, the process and the technical progress of the scheme are organized as follows:
the exhaust valve of the engine discharges tail gas shock waves which are changed periodically in rhythm to the exhaust pipe 14 of the engine continuously, and then the tail gas shock waves are flushed out from the exhaust port 18 of the exhaust pipe 14 of the engine to the tail gas diversion cavity 19, under the action of the drainage cone 17, the tail gas shock waves in the tail gas diversion cavity 19 are spread out in a trumpet shape and gradually spread out, and then the shock waves spread out in the tail gas diversion cavity 19 by the drainage cone 17 are evenly distributed to each tail gas spray pipe 11, the flue gas shock waves entering the tail gas spray pipes 11 are respectively sprayed out from each tail gas nozzle 10, at the moment, the flue gas and the shock waves sprayed out from each tail gas nozzle 10 are sprayed onto the internal energy conversion blade 8 on the inner wall of the rotating impeller 3 in a divergent shape, and then the rotating impeller 3 is driven to rotate continuously, and then the kinetic energy output shaft 2 is driven to rotate, and then the kinetic energy output, thereby generating electricity; meanwhile, the continuous rotation of the internal energy conversion blades 8 on the inner wall of the rotating impeller 3 is matched with the smoke and impact waves which are simultaneously sprayed out of the tail gas nozzles 10 to form rotational flow in the rotational flow cavity 20, so that the residual impact kinetic energy is decomposed in the rotational flow cavity 20, and the effect of noise elimination is achieved; then, the flue gas at the center of the rotational flow cavity 20 overflows into the flue gas overflow cavity 20.1 through the annular disc hollow holes 102 in the middle of the annular disc 101, the tail gas shock wave is further weakened, further the flue gas in the flue gas overflow cavity 20.1 evenly overflows into the tail gas directional flow channel 26 through each flue gas overflow silencing hole 7, and further the flue gas in the tail gas directional flow channel 26 continuously and stably flows towards the direction of the smoke exhaust pipe 15; meanwhile, the tail gas flowing directionally in the tail gas directional flow channel 26 pushes the outer energy conversion blade 76 and drives the rotary impeller 3 to rotate, and at the moment, the rotary impeller 3 is subjected to the dual driving force of the continuous driving force of the outer energy conversion blade 76 and the explosive driving force of the inner energy conversion blade 8, so that the output torque of the kinetic energy output shaft 2 is stronger and more continuous; then the flue gas in the tail gas directional flow channel 26 enters the exhaust cavity 21; and then the high temperature flue gas in the exhaust cavity 21 enters into the tail gas heat exchange cavity 110, and then the high temperature flue gas in the tail gas heat exchange cavity 110 heats the spiral heat exchange tube 104 in succession, and then preheats the air that flows through in the spiral heat exchange tube 104, and the air that is preheated in the spiral heat exchange tube 104 flows out through the hot air outlet duct 108 and finally enters into the cylinder of engine through the (air) intake valve of engine, makes the air that gets into in the engine combustion chamber preheated in advance, and then indirectly improves the efficiency of engine.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (5)
1. The utility model provides a new energy automobile's power generation system which characterized in that: comprises a power generation and noise elimination barrel (13) and an air preheating barrel (106); the power generation and noise elimination barrel (13) and the air preheating barrel (106) are communicated and connected with each other coaxially and integrally; the inner cavity of the power generation and noise elimination barrel (13) is a cylindrical tail gas transduction cavity (6); the inner cavity of the air preheating cylinder (106) is a cylindrical tail gas heat exchange cavity (110);
the inner wall of the tail gas heat exchange cavity (110) is spirally provided with a spiral heat exchange pipe (104), and the tail gas heat exchange cavity also comprises a cold air inlet pipe (109) and a hot air outlet pipe (108); the air outlet end of the cold air inlet pipe (109) is communicated with the air inlet end of the right end of the spiral heat exchange pipe (104); the air inlet end of the hot air outlet pipe (108) is communicated and connected with the air outlet end of the left end of the spiral heat exchange pipe (104), and the hot air outlet pipe (108) is communicated with an air inlet valve of an engine; the tail gas heat exchange device also comprises a smoke exhaust pipe (15), wherein the smoke exhaust pipe (15) is communicated with the right end of the tail gas heat exchange cavity (110);
a rotary impeller (3) is arranged in the tail gas transduction cavity (6) coaxially and rotatably, a gas storage shunt cylinder (5) is arranged at the left end in the tail gas transduction cavity (6) coaxially, the gas storage shunt cylinder (5) is of a cylindrical closed cavity structure, and the inner cavity of the gas storage shunt cylinder (5) is a tail gas shunt cavity (19);
the exhaust port (18) of the engine exhaust pipe (14) is coaxially communicated with the tail gas distributing cavity (19) of the gas storage distributing cylinder (5);
the tail gas spraying pipe is characterized by also comprising six tail gas spraying pipes (11) which are distributed in a radial shape, wherein the tail gas spraying pipes (11) are of a hard bent pipe structure; the air inlet ends of the six tail gas spray pipes (11) are communicated with the tail gas distributing cavity (19) together; the tail gas spraying end (10) of each tail gas spraying pipe (11) corresponds to a plurality of internal energy conversion blades (8) on the rotating impeller (3); each tail gas spray pipe (11) sprays tail gas to a plurality of internal energy conversion blades (8) on the rotating impeller (3) to drive the impeller to rotate;
the tail gas heat exchange cavity (110) is coaxially provided with an output shaft through hole (12) at the right end, and further comprises a kinetic energy output shaft (2) and a generator (73), one end of the kinetic energy output shaft (2) can rotatably penetrate through the output shaft through hole (12) and is integrally and synchronously connected with the rotating impeller (3) coaxially, and the rotating impeller (3) drives the kinetic energy output shaft (2) to synchronously rotate; the other end of the kinetic energy output shaft (2) is in transmission connection with a machine core rotor of a generator (73); the kinetic energy output shaft (2) can drive the rotor of the generator to rotate.
2. The power generation system of the new energy automobile according to claim 1, characterized in that: the rotary impeller (3) is of a ring body cylindrical structure coaxial with the tail gas transduction cavity (6), and a tail gas directional flow channel (26) is formed between the rotary impeller (3) and the inner wall of the power generation and noise elimination cylinder (13); the conversion impeller (3) sequentially comprises a left ring body (41) and a right ring body (42) which are integrally connected along the axis direction; a ring disc (101) is coaxially arranged on the inner wall between the left ring body (41) and the right ring body (42), and a ring disc hollow hole (102) is arranged in the middle of the ring disc (101) in a hollow mode;
the right end of the right ring body (42) is coaxially and integrally and hermetically provided with a connecting disc (9), and the connecting disc (9) is integrally and synchronously connected with the kinetic energy output shaft (2); a rotational flow cavity (20) is formed between the connecting disc (9) and the annular disc (101), a flue gas overflow cavity (20.1) is formed on the left side of the annular disc (101), an exhaust cavity (21) is formed on the right side of the connecting disc (9), and the exhaust cavity (21) is communicated with the left end of the tail gas heat exchange cavity (110); the left end part (1) of the left ring body (41) and the left end wall (16) of the tail gas transduction cavity (6) are arranged in a clearance mode; a plurality of internal energy conversion blades (8) are arranged on the inner wall of the ring body of the right ring body (42) in a circumferential array, and a plurality of external energy conversion blades (76) are arranged on the outer wall of the ring body of the right ring body (42) in a circumferential array; the external energy conversion blade (76) is an axial flow fan blade, and the tail gas flowing in the tail gas directional flow channel (26) in a directional mode can push the external energy conversion blade (76) and drive the rotary impeller (3) to rotate; the cylindrical wall surface of the left ring body (41) is uniformly provided with a plurality of smoke overflow silencing holes (7) in a circumferential array, the smoke overflow cavities (20.1) and the tail gas directional flow channel (26) are communicated with each other through the smoke overflow silencing holes (7), and the right end of the tail gas directional flow channel (26) is communicated with the exhaust cavity (21).
3. The power generation system of the new energy automobile according to claim 2, characterized in that: a flow guiding cone (17) is coaxially arranged in the tail gas diversion cavity (19), the flow guiding cone (17) is of a hard cone structure, the tip end of the flow guiding cone (17) faces one side of the exhaust port (18), and the thick end of the flow guiding cone (17) is integrally and fixedly connected with the end wall (19.1) on the opposite side of the exhaust port (18); six communicated positions of the six tail gas spray pipes (11) and the tail gas diversion cavity (19) are circumferentially arrayed on the end wall (19.1).
4. The power generation system of the new energy automobile according to claim 3, characterized in that the inner energy conversion blade (8) is of a rectangular straight blade structure, an included angle formed by the plane of the inner energy conversion blade (8) and the diameter (23) passing through the root of the inner energy conversion blade (8) is α, 35 degrees is larger than α degrees and smaller than 55 degrees is met, the circular ring structure corresponding to the diameter (23) is a right ring body (42), the tail ends of the exhaust nozzles (11) extend outwards in a divergent mode, the exhaust nozzles (10) at the tail ends of the exhaust nozzles (11) are distributed on the inner side enclosed by the ring body of the right ring body (42) in a circumferential array mode, and the plane of any one inner energy conversion blade (8) can rotate to coincide with the nozzle extension line (22) of the exhaust nozzles (10).
5. The method for the power generation system of the new energy automobile according to claim 4, characterized in that:
the exhaust valve of the engine continuously discharges tail gas shock waves which change in a rhythm period to the exhaust pipe (14) of the engine, then the tail gas shock waves are flushed out of an exhaust port (18) of the exhaust pipe (14) of the engine into a tail gas diversion cavity (19), under the action of a drainage cone (17), the tail gas shock waves in the tail gas diversion cavity (19) are dispersed in a trumpet shape and gradually expanded, then the shock waves expanded by the drainage cone (17) in the tail gas diversion cavity (19) are evenly distributed into the tail gas spray pipes (11), the flue gas shock waves entering the tail gas spray pipes (11) are respectively sprayed out from the tail gas spray nozzles (10), at the moment, the flue gas sprayed out of the tail gas spray nozzles (10) and the shock waves are sprayed onto an internal energy conversion blade (8) on the inner wall of the rotary impeller (3) in a divergent shape, the rotary impeller (3) is driven to continuously rotate, and then the kinetic energy output shaft (2) is driven to rotate, the kinetic energy output shaft (2) drives the rotor of the external generator to rotate, so that the power generation effect is achieved; meanwhile, the continuous rotation of the internal energy conversion blades (8) on the inner wall of the rotating impeller (3) is matched with the smoke and shock waves sprayed out of the tail gas nozzles (10) at the same time to form rotational flow in the rotational flow cavity (20), so that the residual impact kinetic energy is decomposed in the rotational flow cavity (20), and the silencing effect is achieved; then the flue gas at the center of the rotational flow cavity (20) overflows into a flue gas overflow cavity (20.1) through a circular disc hollow hole (102) in the middle of a circular disc (101), the tail gas shock wave is further weakened, further the flue gas in the flue gas overflow cavity (20.1) uniformly overflows into a tail gas directional flow channel (26) through each flue gas overflow silencing hole (7), and further the flue gas in the tail gas directional flow channel (26) continuously and stably flows towards a smoke exhaust pipe (15); meanwhile, tail gas flowing directionally in the tail gas directional flow channel (26) pushes the outer energy conversion blade (76) and drives the rotary impeller (3) to rotate, and at the moment, the rotary impeller (3) is subjected to double driving forces of the continuous driving force of the outer energy conversion blade (76) and the explosive driving force of the inner energy conversion blade (8), so that the output torque of the kinetic energy output shaft (2) is stronger and more continuous; then the flue gas in the tail gas directional flow channel (26) enters an exhaust cavity (21); and then the high temperature flue gas in the exhaust cavity (21) enters the tail gas heat exchange cavity (110), and then the high temperature flue gas in the tail gas heat exchange cavity (110) heats the spiral heat exchange tube (104) continuously, and then preheats the air that flows through in the spiral heat exchange tube (104), the air that is preheated in the spiral heat exchange tube (104) flows out through the overfire air outlet pipe (108) and finally enters into the cylinder of engine through the air intake valve of engine, make the air that gets into in the engine combustion chamber preheat in advance, and then indirectly improve the efficiency of engine.
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| CN108798846B true CN108798846B (en) | 2020-06-26 |
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| CN104763510A (en) * | 2014-11-27 | 2015-07-08 | 宁波吉利罗佑发动机零部件有限公司 | System for recycling exhaust manifold heat to realize engine boosting |
| CN106837494A (en) * | 2017-03-26 | 2017-06-13 | 无锡飞述科技有限公司 | A kind of exhaust gas processing device of generator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1437520A1 (en) * | 1987-02-25 | 1988-11-15 | Предприятие П/Я М-5539 | Exhaust muffler |
| CN2312330Y (en) * | 1997-10-31 | 1999-03-31 | 石亚西 | Exhaust silencing apparatus for internal combustion engine |
| CN2367776Y (en) * | 1999-02-02 | 2000-03-08 | 郭兆龙 | Energy-saving gas-discharging silencer for engine |
| CN102337951A (en) * | 2011-09-05 | 2012-02-01 | 黄淞 | Tail-gas power generator |
| CN103644019A (en) * | 2013-11-28 | 2014-03-19 | 宁波科森净化器制造有限公司 | Tail gas pipeline capable of generating electricity efficiently |
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| CN108798846A (en) | 2018-11-13 |
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Effective date of registration: 20211227 Address after: 610000 room 1108, unit 1, building 1, No. 36, Shangdong street, Jinjiang District, Chengdu, Sichuan Patentee after: Lin Huali Address before: Room 5f-a06, NO.666, YuMeng Road, Ruian Economic Development Zone, Wenzhou City, Zhejiang Province 325200 Patentee before: Ruian Ruihai electromechanical Co.,Ltd. |