CN116146390A

CN116146390A - Air inlet and exhaust structure of V-shaped engine

Info

Publication number: CN116146390A
Application number: CN202310292297.2A
Authority: CN
Inventors: 温国生; 刘地长; 王正飞
Original assignee: Chongqing Pangu Power Technology Co ltd
Current assignee: Chongqing Pangu Power Technology Co ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-05-23

Abstract

The invention discloses an air inlet and outlet structure of a V-shaped engine, which has the technical scheme that: the air filter comprises a plurality of air filters, wherein one side of each air filter is provided with a turbocharger body, the inside of each turbocharger body is provided with a compressor of the turbocharger, and the input end of each compressor of the turbocharger is fixedly connected with one end of each air filter; the air inlet assembly is arranged on one side of the air filter and used for improving air inlet pressure and flow, the exhaust assembly is arranged on one side of the turbocharger body and used for exhausting waste gas, the air filter can filter a large amount of air sucked in the working process of the engine, if the air is not filtered, dust suspended in the air is sucked into the air cylinder, abrasion of the piston group and the air cylinder is accelerated, the air filter plays a role of filtering dust and sand in the air, and sufficient and clean air is ensured to enter the air cylinder.

Description

Air inlet and exhaust structure of V-shaped engine

Technical Field

The invention relates to the technical field of engines, in particular to an air inlet and outlet structure of a V-shaped engine.

Background

An engine is a machine capable of converting other forms of energy into mechanical energy, including, for example, internal combustion engines, external combustion, jet engines, electric motors, etc., as internal combustion engines typically convert chemical energy into mechanical energy. The engine is applicable to both power generation devices and the whole machine comprising the power device, and the engine is originally born in the United kingdom, so the concept of the engine is also derived from English and the meaning of the engine is that of a mechanical device for generating power "

The data center generally adopts a high-power generator set with the power of more than 1000KW as a standby power supply, the data center has high requirements on the sudden loading performance of the generator set, 50% of the sudden loading performance is generally required, the requirements on the G3 performance grade in GB/T2820.5-2009 are met, namely 50% of the load is sudden loading, the frequency of the generator set is reduced by less than or equal to 7%, and the frequency recovery time is less than or equal to 3s. For the engine, 50% load is required to be suddenly added, the rotation speed is reduced by less than or equal to 7%, and the rotation speed recovery time is less than or equal to 3s.

At present, a high-power engine generally adopts a V-shaped structure, the V-shaped structure engine generally adopts 2 superchargers, each row adopts one supercharger, the diameter of an impeller of the supercharger is larger, when 50% of load is suddenly added to a generator set, the rotating speed of the engine can be reduced, an engine oil injector can increase oil injection, the diameter of the impeller of the supercharger is increased, the moment of inertia of the impeller is larger, the rotating speed of the supercharger is lifted slowly, and the lifting speed of the air inlet pressure of the engine is also slower. Because the fuel oil of the engine cylinder is sufficient, the air is insufficient, and the engine burns insufficiently, when the engine is suddenly loaded by 50%, the engine speed is reduced more, generally more than 7%, and the time for recovering to the rated speed is longer, generally more than 3s, and the requirement of the data center on the engine cannot be met, therefore, the air inlet and outlet structure of the V-shaped engine is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an air inlet and outlet structure of a V-shaped engine, which solves the problems that the prior high-power engine generally adopts a V-shaped structure, the V-shaped structure engine generally adopts 2 superchargers, each row adopts one supercharger, the diameter of a supercharger impeller is larger, when 50% load is suddenly applied to a generator set, the rotating speed of the engine can be reduced, an engine oil injector can increase oil injection, the diameter of the supercharger impeller is increased, the rotating inertia of the impeller is larger, the rotating speed of the supercharger is lifted slowly, and the lifting speed of the air inlet pressure of the engine is also slower. Because the fuel oil of the engine cylinder is sufficient, the air is insufficient, and the engine burns insufficiently, when the engine is suddenly loaded by 50%, the engine speed is reduced more, generally more than 7%, and the time for recovering to the rated speed is longer, generally more than 3s, so that the requirement of the data center on the engine cannot be met.

The technical aim of the invention is realized by the following technical scheme:

an intake and exhaust structure of a V-type engine, comprising: the air filter comprises a plurality of air filters, wherein one side of each air filter is provided with a turbocharger body, a compressor of the turbocharger is arranged in the turbocharger body, the input end of the compressor of the turbocharger is fixedly connected with one end of each air filter, an air inlet component is arranged on one side of each air filter and used for improving air inlet pressure and flow, and an exhaust component is arranged on one side of the turbocharger body and used for exhausting waste gas.

Through adopting above-mentioned technical scheme, through setting up air cleaner, air cleaner can filter the in-process of engine work to inhale a large amount of air, if the air is not through filtering, in the dust of suspension in the air was inhaled the cylinder, will accelerate the wearing and tearing of piston group and cylinder, and air cleaner plays the effect of filtering dust, sand grain in the air, guarantees to get into in the cylinder sufficient, clear air.

Preferably, the air inlet assembly includes: the two three-way pipes that admits air, two the three-way pipe that admits air is in one side of the compressor of turbo charger, turbo charger's the output with the one end fixed connection of three-way pipe that admits air, the one end of three-way pipe that admits air is provided with the intercooler, the input of intercooler with the one end fixed connection of three-way pipe that admits air, two the corresponding one side of intercooler is provided with the balance tube, the both ends of balance tube respectively with the intercooler is connected.

Through adopting above-mentioned technical scheme, through setting up the intercooler, the intercooler is connected with the balance pipe, and then can reduce the high temperature air temperature after the pressure boost through the intercooler, with the heat load of reduction engine, improve the air input, and then increase the power of engine, through the balance pipe for the intake pressure of arranging the intercooler about keeps balance.

Preferably, the air intake assembly further comprises: the air inlet manifold is arranged at the output end of the intercooler, the output end of the intercooler is fixedly connected with one end of the air inlet manifold, the two ends of the air inlet manifold are respectively provided with a cylinder cover body, one side of the cylinder cover body is provided with an air inlet channel of the cylinder cover, one side of the cylinder cover body is provided with a combustion chamber, and the input end of the combustion chamber is communicated with the air inlet channel of the cylinder cover.

Through adopting above-mentioned technical scheme, through setting up the cylinder head body, the cylinder head body is used for bearing the gas power and fastens the mechanical load that the cylinder head bolt caused, still is used for simultaneously contacting with high temperature gas and bears very high thermal load.

Preferably, the exhaust assembly includes: the exhaust passage of the cylinder cover is arranged on one side of the combustion chamber, the exhaust passage of the cylinder cover is communicated with the output end of the combustion chamber, an exhaust manifold is arranged on one side of the exhaust passage of the cylinder cover, one end of the exhaust manifold is fixedly connected with the exhaust passage of the cylinder cover, an exhaust three-way pipe is arranged at one end of the exhaust manifold, and one end of the exhaust three-way pipe is fixedly connected with one end of the exhaust manifold.

Through adopting above-mentioned technical scheme, through setting up the combustion chamber, the output of combustion chamber is linked together with the exhaust passage of exhaust manifold cylinder head, and the combustion chamber is the combustion apparatus who makes with high temperature resistant alloy material, and fuel burns promptly in this room, and exhaust manifold's one end and the exhaust passage fixed connection of cylinder head, exhaust manifold are used for collecting the engine exhaust gas from a plurality of cylinders and carry it to the blast pipe.

Preferably, the exhaust assembly further comprises: the turbine of the turbocharger is arranged in the turbocharger body, the input end of the turbine of the turbocharger is fixedly connected with one end of the exhaust manifold, the output end of the turbine of the turbocharger is provided with an exhaust pipe, and one end of the exhaust pipe is fixedly connected with the output end of the turbine of the turbocharger.

Through adopting above-mentioned technical scheme, through setting up the turbine of turbo charger, turbo charger's turbine is the engine that utilizes fluid impact impeller rotation to produce power, and the impeller compresses more air and gets into the cylinder, and the pressure and the density increase of air can burn more fuel, increases fuel quantity and adjusts the rotational speed of engine correspondingly, just can increase the output of engine.

In summary, the invention has the following advantages:

through setting up the subassembly that admits air, the subassembly that admits air can promote air pressure and flow, through setting up exhaust assembly, exhaust assembly can discharge waste gas, the subassembly that admits air passes through four turbo charger bodies with exhaust assembly, can reduce the engine impeller diameter, reduce impeller moment of inertia, improve turbo charger body's effect speed, make the engine can improve the air pressure and the flow of engine rapidly when suddenly adding the load, let fuel and air burn more fully in the combustion chamber, reduce engine rotational speed decline and rotational speed recovery time, make the engine satisfy the requirement of data center to the engine sudden increase performance.

Through setting up air cleaner, air cleaner can inhale a large amount of air to engine working process and filter, if the air is not through filtering, the dust of suspension in the air is in the suction cylinder, will accelerate the wearing and tearing of piston group and cylinder, air cleaner plays the effect of dust, sand grain in the filtering air, get into in the assurance cylinder sufficient, clear air, through setting up the intercooler, the intercooler is connected with the balance tube, and then can reduce the high temperature air temperature after the pressure boost through the intercooler, with the thermal load of reduction engine, improve the air input, and then increase the power of engine, through the balance tube, be used for controlling the intake pressure of train intercooler and keep balanced.

Through setting up the cylinder head body, the cylinder head body is used for bearing the mechanical load that gas force and fastening cylinder head bolt caused, still is used for bearing very high thermal load with high temperature gas contact simultaneously, through setting up the combustion chamber, the output of combustion chamber is linked together with the exhaust passage of exhaust manifold cylinder head, the combustion chamber is the combustion apparatus of being made with high temperature resistant alloy material, fuel burns at this room promptly, exhaust manifold's one end and the exhaust passage fixed connection of cylinder head, exhaust manifold is used for collecting the engine waste gas from a plurality of cylinders and carries it to the blast pipe.

By arranging the turbine of the turbocharger, the turbine of the turbocharger is an engine which generates power by utilizing fluid to impact the impeller to rotate, more air is compressed by the impeller to enter the cylinder, more fuel can be combusted by increasing the pressure and the density of the air, and the output power of the engine can be increased by correspondingly increasing the fuel quantity and adjusting the rotating speed of the engine.

Drawings

FIG. 1 is a schematic plan view of the present invention;

FIG. 2 is a schematic view of the exhaust tee of the present invention;

FIG. 3 is a schematic diagram of the balance tube structure of the present invention;

FIG. 4 is a schematic view of the structure of the air inlet tee of the present invention;

fig. 5 is a schematic view of the structure of the exhaust pipe of the present invention.

Reference numerals: 1. an air cleaner; 2. a turbocharger body; 201. a compressor of the turbocharger; 202. a turbine of a turbocharger; 3. an air inlet three-way pipe; 4. an exhaust tee; 5. an intercooler; 6. a balance tube; 7. an intake manifold; 8. an exhaust manifold; 9. a cylinder head body; 901. an intake port of the cylinder head; 902. an exhaust passage of the cylinder head; 10. an exhaust pipe; 11. a combustion chamber.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1, 2, 4 and 5, an intake and exhaust structure of a V-type engine includes: the air filter comprises a plurality of air filters 1, the details of the structures are omitted, one side of each air filter 1 is provided with a turbocharger body 2, the details of the structures are omitted, the turbocharger body 2 is provided with a turbocharger compressor 201, the turbocharger compressor 201 is provided with a turbocharger compressor, the details of the structures are omitted, the input end of the turbocharger compressor 201 is fixedly connected with one end of each air filter 1, one side of each air filter 1 is provided with an air inlet component for improving air inlet pressure and flow, one side of each turbocharger body 2 is provided with an exhaust component for exhausting waste gas, the air filters 1 are arranged, a large amount of air can be sucked into the engine in the working process, if the air is not sucked into a cylinder, abrasion of a piston group and the cylinder can be accelerated, the air filters 1 play a role in filtering the air, and the air in the cylinder is ensured to enter sufficient quantity and clean air.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the air intake assembly includes two air intake three-way pipes 3, the air intake three-way pipe 3 sets up in the one side of the compressor 201 of turbo charger, the output of the compressor 201 of turbo charger and the one end fixed connection of air intake three-way pipe 3, the one end of air intake three-way pipe 3 is provided with intercooler 5, intercooler 5 is not described in detail for having the structure here, the input of intercooler 5 and the one end fixed connection of air intake three-way pipe 3, two corresponding one sides of intercooler 5 are provided with balance tube 6, the both ends of balance tube 6 are connected with intercooler 5 respectively, through setting up intercooler 5, intercooler 5 is connected with balance tube 6, and then through intercooler 5 can reduce the high temperature air temperature after the pressure boost, in order to reduce the thermal load of engine, improve the air input, and then increase the power of engine, through balance tube 6, be used for controlling the intake pressure of intercooler 5 keeps balanced.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the intake assembly further includes an intake manifold 7, the intake manifold 7 is of an existing structure and is not described in detail herein, the intake manifold 7 is disposed at the output end of the intercooler 5, the output end of the intercooler 5 is fixedly connected with one end of the intake manifold 7, both ends of the intake manifold 7 are provided with cylinder head bodies 9, the cylinder head bodies 9 are of an existing structure and are not described in detail herein, one side of the cylinder head bodies 9 is provided with an intake port 901 of the cylinder head, the intake port 901 is of an existing structure and is not described in detail herein, one side of the cylinder head bodies 9 is provided with a combustion chamber 11, the combustion chamber 11 is of an existing structure and is not described in detail herein, the input end of the combustion chamber 11 is communicated with the intake port 901 of the cylinder head, the exhaust assembly includes an exhaust port 902 of the cylinder head, the exhaust port 902 is of an existing structure and is not described in detail herein, the exhaust port 902 of the cylinder head is disposed at one side of the combustion chamber 11, the exhaust port 902 of the cylinder head is communicated with the output end of the combustion chamber 11, one side of the exhaust manifold 902 of the exhaust manifold is provided with the exhaust port 902, one end of the exhaust manifold 8 is connected with the exhaust port 8 by a three-way pipe 8, the exhaust port 8 is connected with the exhaust port 8 through the exhaust pipe 8, and is fixedly connected with one end of the exhaust port 8, and is connected with one end of the exhaust port 8, which is connected with the exhaust port 8, and is provided with the exhaust pipe 10, and is connected with the exhaust port 4, and is by the exhaust pipe 4, and is fixed, and is used, and is connected with the exhaust device, and is by the exhaust device.

Referring to fig. 1, 2, 4 and 5, the exhaust assembly further includes a turbine 202 of a turbocharger, the turbine 202 of the turbocharger is of a structure that is not described herein, the turbine 202 of the turbocharger is disposed in the turbocharger body 2, an input end of the turbine 202 of the turbocharger is fixedly connected with one end of the exhaust manifold 8, an output end of the turbine 202 of the turbocharger is provided with an exhaust pipe 10, one end of the exhaust pipe 10 is fixedly connected with an output end of the turbine 202 of the turbocharger, by providing the turbine 202 of the turbocharger, the turbine 202 of the turbocharger is an engine that generates power by using fluid to impact an impeller to rotate, the impeller compresses more air into a cylinder, the pressure and density of the air increase can burn more fuel, and accordingly the fuel amount is increased and the rotation speed of the engine is adjusted, so that the output power of the engine can be increased.

Working principle: referring to fig. 1-5, when the engine is operated, air is filtered by the air filter 1 and then enters the compressor 201 of the turbocharger, the air is pressurized by the compressor 201 of the turbocharger and then is collected into the air inlet three-way pipe 3, the air flows into the intercooler 5 from the air inlet three-way pipe 3 and is cooled, the two intercoolers 5 are communicated by the balance pipe 6, the left and right rows of air inlet pressure is kept balanced, the air cooled by the intercooler 5 enters the air inlet manifold 7, the air enters the air inlet 901 of the cylinder cover from the air inlet manifold 7, the air enters the combustion chamber 11 from the air inlet 901 of the cylinder cover, the air is combusted after being mixed with fuel, the combusted exhaust gas enters the exhaust passage 902 of the cylinder cover from the combustion chamber 11, the exhaust gas enters the exhaust manifold 8 from the exhaust gas inlet three-way pipe 4, the exhaust gas enters the turbine 202 of the turbocharger from the exhaust three-way pipe 4, and the exhaust gas enters the turbine 202 of the turbocharger to the exhaust pipe 10 from the turbine 202 of the turbocharger.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An intake and exhaust structure of a V-type engine, comprising:

the air filter comprises a plurality of air filters (1), wherein one side of each air filter (1) is provided with a turbocharger body (2), a compressor (201) of the turbocharger is arranged in each turbocharger body (2), and the input end of each compressor (201) of the turbocharger is fixedly connected with one end of each air filter (1);

the air inlet component is arranged on one side of the air filter (1) and is used for improving the pressure and flow of air inlet,

and the exhaust assembly is arranged on one side of the turbocharger body (2) and is used for exhausting exhaust gas.

2. The intake and exhaust structure of a V-type engine according to claim 1, wherein the intake assembly comprises:

two three-way pipes (3) that admit air, two three-way pipe (3) all set up one side of turbo charger's compressor (201), turbo charger's compressor (201) output with the one end fixed connection of three-way pipe (3) that admits air, the one end of three-way pipe (3) that admits air is provided with intercooler (5), the input of intercooler (5) with the one end fixed connection of three-way pipe (3) admits air, two the corresponding one side of intercooler (5) is provided with balance pipe (6), the both ends of balance pipe (6) respectively with intercooler (5) are connected.

3. The intake and exhaust structure of a V-type engine according to claim 2, wherein the intake assembly further comprises:

intake manifold (7), intake manifold (7) set up the output of intercooler (5), the output of intercooler (5) with the one end fixed connection of intake manifold (7), the both ends of intake manifold (7) all are provided with cylinder head body (9), one side of cylinder head body (9) is provided with intake duct (901) of cylinder head, one side of cylinder head body (9) is provided with combustion chamber (11), the input of combustion chamber (11) with intake duct (901) of cylinder head are linked together.

4. A V-engine intake and exhaust structure according to claim 3, wherein said exhaust assembly comprises:

exhaust passage (902) of cylinder head, exhaust passage (902) of cylinder head set up one side of combustion chamber (11), exhaust passage (902) of cylinder head with the output of combustion chamber (11) is linked together, one side of exhaust passage (902) of cylinder head is provided with exhaust manifold (8), the one end of exhaust manifold (8) with exhaust passage (902) fixed connection of cylinder head, the one end of exhaust manifold (8) is provided with exhaust tee pipe (4), the one end of exhaust tee pipe (4) with the one end fixed connection of exhaust manifold (8).

5. The intake and exhaust structure of a V-type engine according to claim 1, wherein the exhaust assembly further comprises:

the turbocharger turbine (202), turbine (202) of turbocharger are in the inside of turbo charger body (2), the input of turbine (202) of turbo charger with the one end fixed connection of exhaust manifold (8), the output of turbine (202) of turbo charger is provided with blast pipe (10), the one end of blast pipe (10) with the output fixed connection of turbine (202) of turbo charger.