CN-122014407-A - Novel range-extended engine total arrangement structure

CN122014407ACN 122014407 ACN122014407 ACN 122014407ACN-122014407-A

Abstract

A novel range-extended engine total arrangement structure belongs to the technical field of engines. The engine body is of a reverse type, front end, exhaust side, air inlet side, rear end and bottom components are correspondingly arranged in all directions, cooling liquid, engine oil, pressurized gas and exhaust gas circulation pipelines are arranged among the components, the engine body is integrated with an exhaust manifold water jacket of a cylinder cover, is a low-pressure EGR structure for taking gas after a turbine and before a three-way catalyst, the low-pressure cooling EGR assembly is arranged at a high point of the exhaust side of the cylinder cover, cooling is supplied by a cooling liquid water taking point at the position of the cylinder cover, air inlet ends and air outlet ends of the low-pressure cooling EGR assembly are respectively communicated with an air outlet of a turbine end of a turbocharger and an air inlet end of a compressor, a TVD wheel assembly wrapped by a synchronous chain cover shell assembly is arranged in the engine body, and a cylinder body is communicated with the cylinder cover water jacket through a cooling liquid pipe. According to the invention, through layout and structure optimization, the compact cabin adaptation of the engine is realized, the NVH performance of the whole engine is improved, the stable work of all working conditions of each system is ensured, meanwhile, the energy-saving and environment-friendly operation is realized, and the comprehensive service performance of the range-extended engine is integrally improved.

Inventors

YU XIAOJIANG
WANG YUBO
CHEN MENGYU
HU HAOYANG
LI LEI
DONG JIAYI
LIU SONGYAN
ZHAO XINGTIAN
WANG DECHUN
LIU XIA
PAN SHENGLIN
PANG YUCHAO
YANG SHOUCAI
CAO LIANG
Nan Changhao

Assignees

哈尔滨东安汽车动力股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260330

Claims (10)

1. The novel range-extending engine total arrangement structure is characterized by comprising an engine body; the engine body is reversely arranged and is inclined towards the exhaust gas at an angle of 0-10 degrees, a cylinder cover is fixedly arranged at the upper end of a cylinder body assembly (10) on the engine body in a sealing way, the water jacket of the cylinder body assembly (10) is communicated with the water jacket of the cylinder cover through a cooling liquid pipeline, a front end component, an exhaust side component, an intake side component, a rear end component and a bottom component are correspondingly arranged at the front end, the exhaust side, the rear end and the bottom of the engine body respectively, a cooling liquid circulation pipeline, an engine oil circulation pipeline, a pressurized gas circulation pipeline and an exhaust gas circulation pipeline are arranged among the front end component, the exhaust side component, the intake side component, the rear end component and the bottom component, the engine body is integrated with the exhaust manifold water jacket of the cylinder cover, the low-pressure EGR structure is a gas taking type low-pressure EGR structure behind a turbine and in front of a three-way catalyst, an air inlet end of a low-pressure cooling EGR assembly (32) of an exhaust side component is communicated with an air outlet of a turbine end of a turbocharger assembly (36) and an exhaust pipeline at the upstream of the three-way catalyst, an air outlet end of the low-pressure cooling EGR assembly (32) is communicated with an air inlet end of a compressor of the turbocharger assembly (36) through an exhaust circulation pipeline, a TVD wheel assembly is arranged in an engine body, the TVD wheel assembly is arranged in an inner cavity of a synchronous chain cover shell assembly (28), a high point on the exhaust side of the cylinder cover is provided with a cooling liquid water taking point which is communicated with a cylinder cover water jacket and is communicated with a cooling liquid water inlet end of the low-pressure cooling EGR assembly (32) through a cooling liquid circulation pipeline, the low pressure cooled EGR assembly (32) is disposed at a cylinder head exhaust side high point location.
2. The novel range-extending engine total arrangement structure of claim 1, wherein the engine body is a fuel supply range-extending engine, a valve chamber cover and oil filler cap assembly (31) is fixedly arranged above the cylinder cover, and an ignition coil (23) is arranged on the valve chamber cover and oil filler cap assembly (31), and the front end assembly comprises an oil rule guide pipe (18), an oil rule (22), an electromagnetic coil (26), a synchronous chain cover shell assembly (28) and an engine front suspension (30); The engine front suspension (30) and the synchronous chain cover assembly (28) are assembled at the front end of the engine body, the electromagnetic coil (26) is arranged on the upper portion of the synchronous chain cover assembly (28), the oil level gauge guide tube (18) is arranged on the lower portion of the synchronous chain cover assembly (28), and the oil level gauge (22) is arranged in the oil level gauge guide tube (18) in a sliding mode.
3. The novel range-extending engine total arrangement structure of claim 1, wherein the bottom component comprises an oil pan assembly (14), an oil filter (13) and a full-variable-displacement oil pump; The engine oil disc assembly (14) is fixedly arranged at the bottom of the engine block assembly (10) in a sealing mode, the engine oil filter (13) is fixedly arranged at the rear end of the engine oil disc assembly (14), the oil inlet end of the full-variable-displacement engine oil pump is communicated with the oil outlet of the engine oil disc assembly (14) through an engine oil circulation pipeline, the oil outlet end of the full-variable-displacement engine oil pump is communicated with the oil inlet end of the engine oil filter (13) through an engine oil circulation pipeline, the oil outlet end of the engine oil filter (13) is communicated with the oil inlet end of a main oil duct of the engine body through an engine oil circulation pipeline and the engine oil inlet end of the engine oil cooler assembly (15), and the engine oil return end of the engine oil cooler assembly (15) is communicated with the oil inlet of the engine oil disc assembly (14) through an engine oil circulation pipeline.
4. The novel range-extended engine total arrangement structure according to claim 1, wherein the exhaust side component comprises a water inlet pipe and O-shaped ring assembly (6), a water inlet adapter assembly (29), a low-pressure cooling EGR assembly (32), a supercharger oil inlet pipe assembly (33), a supercharger oil return pipe assembly (34), a supercharger water inlet rubber pipe assembly (35), a turbocharger assembly (36), a supercharger water inlet and outlet steel pipe assembly (37), an EGR water outlet rubber pipe assembly (38) and a supercharger water outlet rubber pipe assembly (39); The low-pressure cooling EGR (exhaust gas recirculation) system comprises a water inlet pipe, an O-shaped ring assembly (6), a water inlet adapter assembly (29), a low-pressure cooling EGR (exhaust gas recirculation) assembly (32), a supercharger oil inlet pipe assembly (33), a supercharger oil return pipe assembly (34), a supercharger water inlet rubber pipe assembly (35), a turbocharger assembly (36), a supercharger water inlet and outlet steel pipe assembly (37), an EGR water outlet rubber pipe assembly (38) and a supercharger water outlet rubber pipe assembly (39) which are all assembled on the exhaust side of an engine body, the low-pressure cooling EGR assembly (32) is assembled at a high point on the exhaust side of a cylinder cover, the turbocharger assembly (36) is assembled in the middle of the exhaust side of the engine body, the water inlet adapter assembly (29) and the water inlet pipe and the O-shaped ring assembly (6) are arranged at the lower end of the exhaust gas side of the engine body, and a cooling EGR water inlet joint nozzle is arranged at the water jacket of an exhaust manifold of the cylinder cover, and the cooling EGR water inlet joint nozzle is communicated with the cooling liquid inlet end of the low-pressure cooling EGR assembly (32).
5. The novel range-extending engine assembly arrangement structure according to claim 4, wherein the oil outlet end of the supercharger oil inlet pipe assembly (33) and the oil inlet end of the supercharger oil return pipe assembly (34) are both connected with the turbocharger assembly (36), the supercharger water inlet and outlet pipe assembly (37) is respectively correspondingly communicated with the cooling liquid inlet and the cooling liquid outlet of the turbocharger assembly (36), the water outlet end of the supercharger water inlet rubber pipe assembly (35) and the water inlet end of the supercharger water outlet rubber pipe assembly (39) are both communicated with the supercharger water inlet and outlet pipe assembly (37), the water inlet end of the EGR water outlet rubber pipe assembly (38) is communicated with the cooling liquid outlet end of the low-pressure cooling EGR assembly (32), and the oil return end of the supercharger oil return pipe assembly (34) is communicated with the oil pan assembly (14) through an engine oil circulation pipeline.
6. The novel range-extended engine total arrangement structure according to claim 1, wherein the air inlet side component comprises a water inlet rubber pipe assembly (7), an electronic main water pump assembly (9), an engine oil cooler assembly (15), an oil cooler water outlet rubber pipe assembly (16), an oil cooler water inlet rubber pipe assembly (17), an air inlet manifold assembly (19), a water-air intercooler assembly (20), an electronic throttle body (21), a supercharger air outlet pipe (24), an air inlet pressure relief valve (25), a thermostat and a housing assembly (27); The water inlet rubber tube assembly (7), the electronic main water pump assembly (9), the engine oil cooler assembly (15), the oil cooler water outlet rubber tube assembly (16), the oil cooler water inlet rubber tube assembly (17), the air inlet manifold assembly (19), the water-air intercooler assembly (20), the electronic throttle body (21), the supercharger air outlet tube (24), the air inlet pressure relief valve (25) and the thermostat and housing assembly (27) are assembled on the air inlet side of the engine body, the cooling liquid outlet of the thermostat and housing assembly (27) is communicated with the water inlet end of the radiator of the whole vehicle through a cooling liquid flow pipeline, the air inlet end of the air inlet pressure relief valve (25) is communicated with the pipeline of the supercharger air outlet tube (24), the air outlet end of the air inlet pressure release valve (25) is communicated with the air inlet front end pipeline of the turbocharger assembly (36), the air inlet end of the air outlet pipe (24) of the turbocharger is communicated with the air outlet end of the air compressor of the turbocharger assembly (36), the air outlet end of the air outlet pipe (24) of the turbocharger is communicated with the pressurized air inlet end of the water air cooler assembly (20), the pressurized air outlet end of the water air cooler assembly (20) is communicated with the air inlet end of the electronic throttle body (21), and the air outlet end of the electronic throttle body (21) is communicated with the pressurized air inlet end of the air inlet manifold assembly (19).
7. The novel range-extending engine total arrangement structure of claim 6, wherein a water inlet of the electronic main water pump assembly (9) is communicated with a radiator of the whole vehicle, a water outlet of the electronic main water pump assembly (9) is communicated with a water inlet end of the water inlet rubber tube assembly (7), a water outlet end of the water inlet rubber tube assembly (7) is communicated with a water inlet end of the water inlet tube and O-shaped ring assembly (6), a water outlet end of the water inlet tube and O-shaped ring assembly (6) is communicated with a water inlet end of the water inlet adapter assembly (29), the water inlet tube and O-shaped ring assembly (6) is also communicated with a water inlet end of the booster water inlet rubber tube assembly (35) and a water inlet end of the oil cooler water inlet rubber tube assembly (17), a water outlet end of the oil cooler water inlet rubber tube assembly (17) is communicated with a cooling liquid inlet end of the oil cooler assembly (15), and a water inlet end of the oil cooler water outlet rubber tube assembly (16) is communicated with a cooling liquid outlet end of the oil cooler assembly (15).
8. The novel range-extending engine total arrangement structure of claim 1, wherein the rear end component comprises a curved pipe assembly (1), an air inlet mixing valve assembly (2), an oil-gas desorption pipe assembly (3), a warm air water inlet and outlet steel pipe assembly (4), a small circulation connection rubber pipe assembly (5), a warm air water outlet rubber pipe assembly (8), a driving disc assembly (11) and a torsional damper assembly (12); The engine is characterized in that the Qu Tongguan assembly, the air inlet mixing valve assembly (2) and the oil gas desorption pipe assembly (3) are assembled at the upper part of the rear end of the engine body, the air outlet end of the curved pipe assembly (1) is communicated with the air inlet end of the air inlet mixing valve assembly (2), the air outlet end of the air inlet mixing valve assembly (2) is communicated with the air inlet system of the engine, the air inlet end of the oil gas desorption pipe assembly (3) is communicated with the whole engine fuel system, the air outlet end of the oil gas desorption pipe assembly (3) is communicated with the air inlet system of the engine, the warm air inlet and outlet water pipe assembly (4) is assembled at the middle part of the rear end of the engine body, the small circulation connection rubber pipe assembly (5) and the warm air outlet water rubber pipe assembly (8) are assembled on the warm air inlet and outlet water pipe assembly (4), the driving disc assembly (11) and the torsion damper assembly (12) are coaxially and fixedly arranged at the lower part of the rear end of the engine body in sequence and are connected with the output end of the engine body, the air inlet and the warm air inlet and outlet water pipe assembly (4), the small circulation connection assembly (5) and the warm air outlet water pipe assembly and the warm air outlet water outlet assembly (8) are communicated with the air inlet and the cooling fluid inlet and the air outlet of the main water pump (38) through the warm air inlet and the warm air pipe assembly and the cooling fluid outlet pipe assembly and the warm air outlet pipe assembly.
9. The novel range-extending engine total arrangement structure is characterized in that the engine body is provided with a cooling large circulation, in the cooling large circulation, a whole vehicle radiator is communicated with a water inlet of an electronic main water pump assembly (9) through a cooling liquid flow pipeline, a water outlet of the electronic main water pump assembly (9) is communicated with a water inlet end of a water jacket of a cylinder body assembly (10) sequentially through a water inlet rubber pipe assembly (7), a water inlet pipe and an O-shaped ring assembly (6) and a water inlet adapter assembly (29), an exhaust side of a cylinder body water jacket of the cylinder body assembly (10) is vertically and upwards communicated with an exhaust side water jacket of a cylinder cover, an exhaust side water jacket of the cylinder cover is transversely communicated with an intake side water jacket of the cylinder cover, an intake side water jacket of the cylinder cover is vertically and downwards communicated with a thermostat and a housing assembly (27) through the cooling liquid flow pipeline, and a water outlet of the thermostat and the housing assembly (27) is communicated with a water inlet end of the whole vehicle radiator through the cooling liquid flow pipeline.
10. The novel range-extending engine total arrangement structure of claim 1, wherein the engine body is provided with two small cooling cycles, namely a small cooling cycle of a turbocharger and an engine oil cooler and a small cooling cycle of an EGR cooler; In the small cooling cycle of the turbocharger and the engine oil cooler, a water inlet pipe and O-shaped ring assembly (6) is communicated with a cooling liquid inlet end of the turbocharger assembly (36) through a booster water inlet and outlet rubber pipe assembly (35) and a booster water inlet and outlet rubber pipe assembly (37), the water inlet pipe and O-shaped ring assembly (6) is communicated with a cooling liquid inlet end of the engine oil cooler assembly (15) through an oil cooler water inlet rubber pipe assembly (17), a cooling liquid outlet end of the turbocharger assembly (36) is communicated with a warm air water inlet and outlet rubber pipe assembly (4) through a booster water outlet rubber pipe assembly (39), a cooling liquid outlet end of the engine oil cooler assembly (15) is communicated with the warm air water inlet and outlet rubber pipe assembly (4) through an oil cooler water outlet rubber pipe assembly (16), and the warm air water inlet and outlet rubber pipe assembly (4) is communicated with the water inlet upstream of an electronic main water pump assembly (9) through a cooling liquid flow pipeline; In the cooling small circulation of the EGR cooler, a cylinder cover exhaust manifold water jacket is communicated with a cooling liquid inlet end of a low-pressure cooling EGR assembly (32) through a cooling EGR water inlet pipe nozzle, a cooling liquid outlet end of the low-pressure cooling EGR assembly (32) is communicated with a warm air water inlet and outlet steel pipe assembly (4) through an EGR water outlet rubber pipe assembly (38), and the warm air water inlet and outlet steel pipe assembly (4) is communicated with the upstream of a water inlet of an electronic main water pump assembly (9) through a cooling liquid flow pipeline.

Description

Novel range-extended engine total arrangement structure Technical Field The invention belongs to the technical field of engines, and particularly relates to a novel range-extending engine total arrangement structure. Background In the current automobile industry, the electric automobile is widely applied, but has the problems of anxiety in mileage and strong dependence on charging piles, the endurance of the electric automobile is obviously attenuated under the low-temperature working condition, and the traditional fuel oil automobile has the defects of higher energy consumption and substandard emission. In order to synchronously meet the pure driving experience of the whole vehicle and the power requirement of long-distance running, a range-extended engine is generated, and the total arrangement structure of the engine directly influences the adaptability, the energy consumption and the emission performance, so that the development of a compact and high-adaptability range-extended engine total arrangement structure is needed. Disclosure of Invention In order to solve the problems in the background technology, the invention provides a novel range-extending engine total arrangement structure. The invention adopts the following technical scheme that the novel range-extending engine total arrangement structure comprises an engine body; the engine body is reversely arranged and is arranged at an angle of 0-10 degrees towards the side of exhaust gas, a cylinder cover is fixedly arranged at the upper end of a cylinder block assembly on the engine body in a sealing way, the water jacket of the cylinder block assembly is communicated with the water jacket of the cylinder cover through a cooling liquid flow pipeline, a front end, an exhaust side, an air inlet side, a rear end and the bottom of the engine body are respectively and correspondingly provided with a front end component, an exhaust side component, an air inlet side component, a rear end component and a bottom component, a cooling liquid circulation pipeline, an engine oil circulation pipeline, a supercharging gas circulation pipeline and an exhaust gas circulation pipeline are arranged between the front end component, the exhaust side component, the rear end component and the bottom component, the engine body is integrated with a cylinder cover exhaust manifold water jacket, and is of a turbine rear-three-way catalyst front-taking low-pressure EGR structure, the air inlet end of the low-pressure cooling EGR assembly is communicated with a turbine end air outlet of a turbocharger assembly and an exhaust gas pipeline at the upstream of the three-way catalyst, the air outlet end of the low-pressure cooling EGR assembly is communicated with a compressor air inlet end of the turbocharger assembly through an exhaust gas circulation pipeline, a TVD wheel assembly is arranged in the engine body (TVD wheel assembly Torsional Vibration Damper), the engine body is arranged in a water intake end of the low-pressure cooling EGR assembly is communicated with a high-pressure cooling water tank assembly, and a high-pressure cooling water cooling point is arranged in the cylinder cover is arranged at a cooling water cooling end cooling point of the cooling assembly, and the cooling head is communicated with a high-pressure side cooling point of the cooling tank assembly, and is arranged at a high-pressure side cooling point, and the cooling point is connected with the cooling tank assembly, and is arranged in the cooling point, and has a high-pressure cooling point. The engine body is a fuel supply type range-extending engine with rated discharge capacity of 2.0L, a valve chamber cover and an oil filler cap assembly are fixedly arranged above the cylinder cover, and ignition coils are arranged on the valve chamber cover and the oil filler cap assembly; The engine front suspension and the synchronous chain cover assembly are assembled at the front end of the engine body, the electromagnetic coil is arranged on the upper portion of the synchronous chain cover assembly, the oil level gauge guide pipe is arranged on the lower portion of the synchronous chain cover assembly, and the oil level gauge is arranged in the oil level gauge guide pipe in a sliding penetrating mode. The bottom component comprises an oil pan assembly, an oil filter and a full-variable-displacement oil pump; The engine oil disc assembly is sealed and fixedly arranged at the bottom of the cylinder block assembly, the engine oil filter is fixedly arranged at the rear end of the engine oil disc assembly, the oil inlet end of the full-variable-displacement engine oil pump is communicated with the oil outlet of the engine oil disc assembly through an engine oil circulation pipeline, the oil outlet end of the full-variable-displacement engine oil pump is communicated with the oil inlet end of the engine oil filter through an engine oil circulation pipeline, the oil outlet end of the engine oil filter is commun