CN115949497A - Compact high-power-density engine - Google Patents
Compact high-power-density engine Download PDFInfo
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- CN115949497A CN115949497A CN202211508000.3A CN202211508000A CN115949497A CN 115949497 A CN115949497 A CN 115949497A CN 202211508000 A CN202211508000 A CN 202211508000A CN 115949497 A CN115949497 A CN 115949497A
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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
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Abstract
The invention discloses a compact high-power-density engine, which belongs to the technical field of engines and comprises a low-position supercharger, an embedded supercharged air pipe, an air inlet pipe with a plug-in structure, a thermostat flange structure water outlet, a dry oil pan, a backpack fuel filter and an electric control fuel injection pump, wherein the low-position supercharger, the embedded supercharged air pipe, the air inlet pipe with the plug-in structure, the thermostat flange structure water outlet, the dry oil pan, the backpack fuel filter and the electric control fuel injection pump are arranged on the upper layer of an engine body and are sequentially connected. On the premise of meeting the structural size of the power cabin of the whole vehicle, the purpose of increasing the speed of the whole vehicle is achieved by means of the power boost of the engine; the temperature of the cooling liquid is controlled to keep relatively constant by relying on the heat management technology of the engine; the impact-resistant engine with a high-strength and composite structure is adopted to support and reduce the damage degree of the engine, and an engine protection plate is designed to isolate the hidden danger of fire.
Description
Technical Field
The invention relates to the technical field of engines, in particular to a compact high-power-density engine.
Background
The diesel engine serving as a finished automobile power source is required to bear multi-directional impact and vibration, abundant power can be effectively provided to meet the running requirement of the finished automobile, and heat management can be effectively carried out to ensure that the diesel engine cannot cause power reduction due to overheating. Because the special vehicle is a light vehicle, the whole structure size is compact, the space of the power cabin is smaller, and the engine needs to be designed to be compact and flat.
The engine used by the existing special vehicle is a research result in the last 80 th century, and the power can not meet the requirements compared with the existing use conditions and use working conditions; the waste gas injection heat dissipation system is low in cooling efficiency, and the vehicle speed is often reduced due to overhigh temperature of the cooling liquid; with the progress of society, a plurality of easily damaged and consumable parts used by the engine are updated, and part of parts are not suitable for the use of the engine any more, so that the problem of inconvenient maintenance in the use process is caused; because the use environment is severe, the damage rate of the engine support after being impacted and vibrated is higher; the power cabin has the hidden danger of fire because the pipelines and joints in the power cabin have the condition of oil leakage and liquid leakage.
In order to solve the problems, the power of an in-line 6-cylinder machine of a certain company in China at present meets the requirement, but the height and the length of the in-line 6-cylinder machine exceed the installation size of a power cabin; the installation size of an air-cooled 120-degree V-shaped 6-cylinder machine of another company is slightly larger than that of the invention, and the air-cooled 120-degree V-shaped 6-cylinder machine can also be installed in a power cabin, but the power of the air-cooled 120-degree V-shaped 6-cylinder machine is lower than 20% of the required power, and the air-cooled 120-degree V-shaped 6-cylinder machine does not meet the requirement of increasing the power of a whole vehicle; and the power of the supercharged intercooling engine of the company meets the requirement of the whole vehicle, but the external dimension exceeds the limit of a power cabin.
Disclosure of Invention
The invention aims to solve the technical problem of providing a compact high-power-density engine, which achieves the purpose of increasing the speed of a whole vehicle by means of the power boost of the engine on the premise of meeting the structural size of a power cabin of the whole vehicle; the temperature of the cooling liquid is controlled to keep relatively constant by relying on the heat management technology of the engine; the impact-resistant engine support with high strength and a composite structure is adopted to reduce the damage degree of the engine support, and an engine protection plate is designed to isolate the fire hidden danger.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a compact high-power-density engine comprises a low-level supercharger, an embedded supercharged air pipe, an air inlet pipe of a splicing structure, a thermostat flange structure water outlet arranged on the upper layer of the engine, a dry oil pan arranged on the bottom layer of the engine body, a backpack fuel filter arranged at the air inlet pipe of the engine and an electric control fuel injection pump arranged in a V-shaped groove of the engine body, wherein the low-level supercharger, the embedded supercharged air pipe, the air inlet pipe of the splicing structure, the thermostat flange structure water outlet arranged on the upper layer of the engine, the dry oil pan arranged on the bottom layer of the engine body, the backpack fuel filter arranged at the air inlet pipe of the engine and the electric control fuel injection pump are sequentially connected with each other; the low supercharger is arranged above the flywheel shell of the engine; the embedded supercharged air pipe comprises an air inlet end pipe connected with the low booster and two air outlet end pipes which are respectively arranged above the V-shaped groove of the engine body and the electric control oil injection pump in a suspending manner; the two air inlet pipes of the splicing structure are arranged above a cylinder cover of the engine body and are connected with the two air outlet end pipes of the embedded type supercharged air pipe; the water outlet of the flange structure of the thermostat is arranged at the free end of the crankcase body and is connected with a radiator connecting pipe of the chassis system through the flange structure.
The technical scheme of the invention is further improved as follows: the low booster is fixed by bolts.
The technical scheme of the invention is further improved as follows: the fixing mode of the air inlet pipe of the inserting structure is bolt fixing.
The technical scheme of the invention is further improved as follows: the dry oil pan is fixed by bolt fastening.
The technical scheme of the invention is further improved as follows: the backpack fuel filter is fixed by bolt fastening, and the fuel filter support and the air inlet pipe blanking cover are integrated.
The technical scheme of the invention is further improved as follows: the electronic control fuel injection pump is an engine fuel injection pump additionally provided with an electronic speed regulator, high-pressure fuel is injected into an engine combustion chamber through 6 output ports through a high-pressure fuel pipe and a fuel injector, and the fuel injection quantity of the fuel injection pump can be determined according to signals of a pedal position sensor and current engine rotating speed signals.
The technical scheme of the invention is further improved as follows: the engine adopts an internal water channel structure; the engine is provided with a power take-off transmission mechanism for providing power for the vehicle-mounted cooling fan.
The technical scheme of the invention is further improved as follows: and the water outlet of the thermostat flange structure is matched with the thermostat device.
The technical scheme of the invention is further improved as follows: the engine further comprises impact-resistant engine supports arranged on two sides of the engine body, and the fixing mode is bolt fixing.
The technical scheme of the invention is further improved as follows: the engine protection plate is used for blocking oil and liquid, and is fastened on bolt holes in an air inlet pipe and a support of the engine through bolts.
Due to the adoption of the technical scheme, the invention has the technical progress that:
1. according to the invention, by setting a compact engine appearance, the space of the power cabin can be saved, and other auxiliary devices can be arranged; the speed of the whole vehicle is improved through higher engine power; by more effective engine thermal management techniques, coolant temperature is controlled to remain relatively constant; the reliability of the engine is improved by arranging the impact-resistant engine support with higher strength; by arranging the engine protection plate, leaked oil and liquid drops are physically isolated from falling on high-temperature parts of the engine, so that the fire hazard is avoided; in addition, enough easily-damaged and easily-consumed parts provide effective guarantee for the use of the engine.
2. The invention adopts new structural parts such as a low-level supercharger, a water outlet of a flange structure, a dry oil pan, an embedded supercharged air pipe, a plug-in air inlet pipe, a backpack fuel filter and the like to control the overall size of the engine to be compact so that the engine can be installed in a power cabin and the like.
3. The invention adopts the electronic control technology to accurately adjust the in-cylinder oil supply of each working condition so as to achieve the purpose of improving the power of the engine.
4. The engine adopts an inner water channel structure, is matched with a thermostat device, provides power take-off transmission mechanism and other heat management technologies for the vehicle-mounted cooling fan, and ensures the temperature of cooling liquid to be kept in the running process.
5. By adopting a novel engine technology, the easily-damaged and easily-consumed parts cannot stop production and supply for years, and effective guarantee can be provided for the use of the engine.
Drawings
FIG. 1 is an engine assembly view of the present invention;
FIG. 2 is a schematic illustration of a shrouded engine according to the present invention;
FIG. 3 is a schematic illustration of an engine of the present invention with the fender removed;
FIG. 4 is a side view of the shrouded engine of the present invention;
FIG. 5 is a side view of the engine of the present invention with the fender removed;
the fuel filter comprises a low booster 1, an embedded supercharged air pipe 2, an electronic control fuel injection pump 3, an air inlet pipe of a plug-in structure 4, a water outlet of a thermostat flange structure 5, a power take-off transmission mechanism 6, a dry oil pan 7, a dry oil pan 8, an impact-resistant engine support 9 and a backpack fuel filter.
Detailed Description
The invention is further described in detail below with reference to the drawings and examples:
the invention relates to a 132-cylinder-diameter 90-degree V-shaped supercharging uncooled engine which adopts impact-resistant support with a high-strength and composite structure to adapt to complex outdoor road conditions.
As shown in fig. 1, a compact high power density engine comprises a low-level supercharger 1, an embedded supercharged air pipe 2, an air inlet pipe 4 with a plug-in structure, a thermostat flange structure water outlet 5 arranged on the upper layer of the engine and a dry oil pan 7 arranged on the bottom layer of the engine body, which are arranged on the upper layer of the engine body and are sequentially connected; the low-position supercharger 1 is arranged above an engine flywheel shell and is fixed by bolts; the embedded supercharged air pipe 2 comprises an air inlet end pipe connected with the low-level supercharger 1 and two air outlet end pipes which are respectively arranged above a V-shaped groove of an engine body and the electric control oil injection pump 3 in a suspending manner; the two air inlet pipes 4 of the inserting structure are arranged above a cylinder cover of an engine body and are fixed by bolts and connected with the two air outlet end pipes; the water outlet 5 of the flange structure of the thermostat is arranged at the free end of the crankcase body and is connected with a radiator connecting pipe of the chassis system through the flange structure; the dry oil pan 7 is fixed by bolt fastening.
As shown in fig. 2 and 3, the flange structure of the water outlet 5 of the thermostat flange structure can effectively reduce the overall height compared with the connection mode of straight pipe-rubber pipe-straight pipe, the highest point of the engine is at the air inlet pipe, the lowest point of the engine is at the oil pan, the structural design in the height direction of the engine is reasonable, and the requirement of flattening is met.
The utility model provides a compact high power density engine, still strains 9 including the backpack fuel that sets up in engine intake pipe department, and fixed mode is the bolt-up, and the support is strained to the fuel and the intake pipe blanking cover is integrated together, satisfies the design philosophy that the engine overall design is compact.
A compact high power density engine also comprises an electric control fuel injection pump 3 arranged in a V-shaped groove of an engine body; the electronic control fuel injection pump 3 is an engine fuel injection pump additionally provided with an electronic speed regulator, high-pressure fuel is injected into an engine combustion chamber through a high-pressure fuel pipe and a fuel injector through 6 output ports, and the position of a rack bar of the fuel injection pump can be determined according to signals of a pedal position sensor and current engine rotating speed signals, so that the fuel injection quantity of the fuel injection pump can be accurately controlled.
As shown in fig. 4 and 5, a compact high power density engine controls the temperature of the engine coolant by a thermal management technology, and the engine adopts an inner water channel structure, so that each cylinder sleeve and each cylinder cover can be uniformly cooled; the thermostat device is matched with the thermostat flange structure water outlet 5, so that the temperature exchange between the engine and the radiator can be effectively balanced; the power take-off transmission mechanism arranged on the engine is used for providing power for the vehicle-mounted cooling fan, so that the temperature in the power cabin and the temperature outside the whole vehicle can be balanced; the design ensures that the temperature of the cooling liquid of the engine in the running process is not too high.
Because the field environment working condition is extremely severe, the obstacle crossing of the vehicle can receive great impact and vibration when the vehicle runs, and the condition that the vehicle is broken and deformed can be caused when the vehicle is transmitted to the supporting position of the engine. Therefore, the engine adopts a high-strength impact-resistant engine support 8 with a composite structure; the impact-resistant engine supports 8 are arranged on two sides of the engine body and fixed by bolts. The replaced support has no fracture and deformation in the use process, and the use requirement is met.
Because the whole vehicle is only replaced aiming at the power compartment, the connecting pipeline and the related joints of the whole vehicle have the risk of oil leakage and liquid leakage, and in order to avoid the risk that the engine high-temperature part ignites the leaked oil and liquid to cause the fire of the power compartment, the engine is provided with an engine protection plate for blocking the oil and the liquid and is fastened at the existing bolt holes of the air inlet pipe and the supporting part of the engine through bolts.
In conclusion, the invention achieves the purpose of increasing the speed of the whole vehicle by depending on the power boost of the engine on the premise of meeting the structural size of the power cabin of the whole vehicle; the temperature of the cooling liquid is controlled to keep relatively constant by relying on the heat management technology of the engine; the impact-resistant engine support with high strength and a composite structure is adopted to reduce the damage degree of the engine support, and an engine protection plate is designed to isolate the fire hidden danger.
Claims (10)
1. A compact high power density engine characterized by: the engine comprises a low-level supercharger (1), an embedded supercharged air pipe (2), an air inlet pipe (4) of a splicing structure, a thermostat flange structure water outlet (5) arranged on the upper layer of the engine, a dry oil pan (7) arranged on the bottom layer of the engine body, a backpack fuel filter (9) arranged at the air inlet pipe of the engine and an electric control fuel injection pump (3) arranged in a V-shaped groove of the engine body, wherein the low-level supercharger (1), the embedded supercharged air pipe (2), the air inlet pipe of the splicing structure are arranged on the upper layer of the engine body and are sequentially connected; the low supercharger (1) is arranged above the flywheel shell of the engine; the embedded supercharged air pipe (2) comprises an air inlet end pipe connected with the low booster (1) and two air outlet end pipes which are respectively arranged above a V-shaped groove of an engine body and the electric control oil injection pump (3) in a suspending manner; the two air inlet pipes (4) of the inserting structure are arranged above a cylinder cover of the engine body and are connected with the two air outlet end pipes of the embedded type supercharged air pipe (2); and a water outlet (5) of the thermostat flange structure is arranged at the free end of the crankcase body and is connected with a radiator connecting pipe of the chassis system through the flange structure.
2. A compact high power density engine according to claim 1, wherein: the low supercharger (1) is fixed by bolts.
3. A compact high power density engine according to claim 1, wherein: the air inlet pipe (4) of the inserting structure is fixed by bolts.
4. A compact high power density engine according to claim 1, wherein: the dry oil pan (7) is fixed by bolt fastening.
5. A compact high power density engine according to claim 1, wherein: the backpack fuel filter (9) is fixed by bolts, and the fuel filter support and the air inlet pipe blanking cover are integrated.
6. A compact high power density engine according to claim 1, wherein: the electronic control fuel injection pump (3) is an engine fuel injection pump additionally provided with an electronic speed regulator, high-pressure fuel is injected into an engine combustion chamber through 6 output ports through a high-pressure fuel pipe and a fuel injector, and the fuel injection quantity of the fuel injection pump can be determined according to signals of a pedal position sensor and current engine rotating speed signals.
7. A compact high power density engine according to claim 1, wherein: the engine adopts an internal water channel structure; the engine is provided with a power take-off transmission mechanism for providing power for the vehicle-mounted cooling fan.
8. A compact high power density engine according to claim 1, wherein: the water outlet (5) of the thermostat flange structure is matched with the thermostat device.
9. A compact high power density engine according to claim 1, wherein: the engine further comprises impact-resistant engine supports (8) arranged on two sides of the engine body, and the fixing mode is bolt fixing.
10. A compact high power density engine according to claim 1, wherein: the engine protection plate is used for blocking oil and liquid, and is fastened on bolt holes in an air inlet pipe and a support of the engine through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211508000.3A CN115949497A (en) | 2022-11-29 | 2022-11-29 | Compact high-power-density engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211508000.3A CN115949497A (en) | 2022-11-29 | 2022-11-29 | Compact high-power-density engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115949497A true CN115949497A (en) | 2023-04-11 |
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ID=87288175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211508000.3A Pending CN115949497A (en) | 2022-11-29 | 2022-11-29 | Compact high-power-density engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115949497A (en) |
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2022
- 2022-11-29 CN CN202211508000.3A patent/CN115949497A/en active Pending
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