Electric supercharger for diesel engine

Abstract

The utility model relates to a power output device, in particular to an electric supercharger for a diesel engine. An electric supercharger for a diesel engine comprises a rack, a diesel engine body is installed in the rack and connected with an air inlet box, and an electric turbine is installed on the side wall of the air inlet box and provides compressed air for the air inlet box. According to the electric supercharger for the diesel engine, the electric turbine with higher power is adopted to provide more air with higher pressure for the diesel engine, so that the fuel combustion efficiency of the diesel engine is improved, and the output power can be improved by 25-35%.

Description

TECHNICAL FIELD

[0001] The utility model relates to power output device especially a diesel engine electric supercharger. BACKGROUND

[0002] The current conventional diesel engine supercharging mode is turbocharging.

[0003] Turbocharging is to use the exhaust gas energy of the diesel engine to drive the turbocharger to work, and then compress the air entering the cylinder to improve the cylinder air intake density and unit volume power.

[0004] Exhaust gas driving: the high-temperature and high-pressure exhaust gas discharged by the diesel engine enters the turbine end of the turbocharger, and pushes the turbine impeller to rotate.

[0005] Compressed air: the compressor impeller coaxial with the turbine impeller rotates to forcibly suck and compress the air from the air inlet, and the pressure and density of the compressed air are improved.

[0006] Intercooling link: the engine is provided with an intercooler to reduce the temperature of the compressed air, improve the density, and prevent the engine from producing knock.

[0007] Into the cylinder: the air after compression and cooling enters the cylinder through the intake pipe, mixes with fuel, burns, and produces greater power output.

[0008] Recycle: the exhaust gas after combustion is discharged from the exhaust pipe, enters the turbine again, and repeats the above process.

[0009] The turbocharging structure is complex and has high manufacturing cost, so how to efficiently increase the power of the diesel engine is a problem to be solved at present.

[0010] In view of the above defects, the designer actively researches and innovates to create a diesel engine electric supercharger, so that it has more industrial use value. INVENTION CONTENTS

[0011] To solve the above technical problems, the purpose of the utility model is to provide a diesel engine electric supercharger.

[0012] The diesel engine electric supercharger of the utility model comprises a rack, a diesel engine body is installed in the rack, the diesel engine body is connected with an air inlet tank, an electric turbine is installed on the side wall of the air inlet tank, and the electric turbine provides compressed air for the air inlet tank.

[0013] The diesel engine electric supercharger provides an electrically driven turbocharger for the diesel engine, provides high-pressure and high-speed airflow into the combustion chamber of the diesel engine by the electric turbine, and increases the air intake, improves the combustion efficiency and output power.

[0014] Further, the air intake box is fixed with an adapter box on one side, and the adapter box is provided with mounting holes on the outer side.

[0015] The electric turbine is connected with the air intake box through the adapter box, and is convenient to install.

[0016] Further, the turbine housing is provided with an external air filter cover at the front end.

[0017] The external air filter cover at the front end of the turbine housing is used for filtering particulate matters in the air.

[0018] Further, the mounting holes are provided with a plurality of fixing through holes, and the outer ring of the turbine housing is provided with a plurality of mounting ears, and the mounting ears are provided with through holes.

[0019] The mounting ears of the outer ring of the turbine housing and the through holes of the adapter box can be fixed by bolts and nuts.

[0020] Further, the air intake box is fixedly connected with the turbine housing, and the turbine housing is provided with an annular air filter cover.

[0021] The air intake box can also be directly fixedly installed with the turbine housing, and the annular air filter cover on the outer ring of the turbine housing is also used for filtering particulate matters in the air.

[0022] Further, the motor in the electric turbine has a working power of 400-1500W.

[0023] The motor with higher working power can increase the rotation speed of the turbine and the air intake amount, and can effectively improve the working power of the diesel engine.

[0024] By the above scheme, the diesel engine electric supercharger has at least the following advantages: the diesel engine electric supercharger adopts the electric turbine with higher power to provide more air with higher pressure for the diesel engine, thereby increasing the fuel combustion efficiency of the diesel engine, and can improve the output power by 25-35%.

[0025] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, and can be implemented according to the content of the specification, the following will be described in detail with the preferred embodiment of the present application and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiments, it should be understood that the following drawings only show one embodiment of the present application, therefore should not be regarded as a limitation, for those skilled in the art, without creative labor, other related drawings can also be obtained from these drawings.

[0027] Figure 1 is a structural schematic view of the utility model;

[0028] Figure 2 is a structural schematic view of the adapter box position of the utility model;

[0029] Figure 3 is a structural schematic view of the utility model; Figure 2 after installing the turbine shell;

[0030] Figure 4 is a structural schematic view of the utility model; Figure 3 installing the external air filter cover;

[0031] Figure 5 is a structural schematic view of another embodiment of the utility model.

[0032] In the figure, 1 is a rack, 2 is a diesel engine body, 3 is an air inlet box, 4 is an electric turbine, 5 is an adapter box, 6 is a mounting hole, 7 is a turbine shell, 8 is an external air filter cover, 9 is an adapter ear, and 10 is an annular air filter cover. DETAILED DESCRIPTION

[0033] The specific embodiments of the utility model are described in further detail below in combination with the drawings and embodiments. The following embodiments are used to illustrate the utility model, but are not used to limit the scope of the utility model.

[0034] Referring to Figure 1 The rack 1 of the electric supercharger for the diesel engine is provided with the diesel engine body 2, the output end of the diesel engine body 2 is connected with a generator, the generator supplies power for the diesel engine, and the generator can also supply power for the electric turbine 4, the electric turbine 4 pressurizes external air when working, provides air for the air inlet box 3, facilitates efficient combustion of fuel in the diesel engine body 2, and further improves the output power of the diesel engine.

[0035] Referring to Figure 2 and Figure 3 An adapter box 5 is welded on one side of the air inlet box 3, the turbine shell 7 of the electric turbine 4 is fixed in the mounting hole 6 on the adapter box 5, and the air pipe at the tail end of the turbine shell 7 is communicated with the air inlet box 3, facilitating high-pressure air input.

[0036] Referring to Figure 4 An air filter cover 8 is arranged at the outer end of the turbine shell 7, the air filter cover 8 is provided with an air filter element, the air filter element can effectively intercept particulate impurities in the air, prevent them from entering the diesel engine, and ensure that the air entering the engine is as pure as possible.

[0037] Referring toFigure 2 And Figure 3 The mounting hole 6 is surrounded by a through hole, and the turbine housing 7 is surrounded by a through hole on the outer ring of the turbine housing 7. When assembling, the bolt is passed through the two through holes, and then the nut is screwed into the other end of the bolt, and the locking is completed.

[0038] Referring to Figure 5 The turbine housing 7 of the electric turbine 4 is directly connected and fixed with the air inlet box 3, effectively reducing the overall volume of the turbocharger, and the annular air filter cover 10 is arranged on the outer ring of the turbine housing 7. The annular air filter cover 10 has an air filter core. The air filter core can effectively intercept the impurities in the air and prevent them from entering the diesel engine, ensuring that the air entering the engine is as pure as possible.

[0039] The working power of the driving motor in the electric turbine 4 is 400-1500W, and the higher working power can drive a larger size turbine to rotate at high speed, and can provide higher efficient and high pressure air for the diesel engine, and can improve the output power of the diesel engine.

[0040] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0041] Secondly: the utility model discloses the embodiment of the drawings, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0042] Finally: the above-mentioned is only the preferred embodiment of the utility model, and does not limit the utility model, it should be pointed out that for ordinary skilled person in the art, on the premise of not departing from the technical principle of the present application, can make a number of improvements and modifications, and these improvements and modifications should be regarded as the protection scope of the utility model.

Claims

1. An electric turbocharger for a diesel engine, comprising a frame (1), a diesel engine body (2) mounted inside the frame (1), the diesel engine body (2) being connected to an intake box (3), characterized in that: An electric turbine (4) is installed on the side wall of the air intake box (3), which provides compressed air to the air intake box (3).

2. The electric turbocharger for a diesel engine according to claim 1, characterized in that: An adapter box (5) is fixed on one side of the air intake box (3). An installation hole (6) is opened on the outside of the adapter box (5). The installation hole (6) is used to fix and install the turbine housing (7).

3. The electric turbocharger for a diesel engine according to claim 2, characterized in that: An external air filter cover (8) is installed at the front end of the turbine housing (7).

4. The electric turbocharger for a diesel engine according to claim 3, characterized in that: The mounting hole (6) has multiple through holes for fixing on the outside, and the outer ring of the turbine housing (7) has multiple mounting lugs (9), with through holes on the mounting lugs (9).

5. The electric turbocharger for a diesel engine according to claim 1, characterized in that: The air intake box (3) is fixedly connected to the turbine housing (7), and the outer ring of the turbine housing (7) has an annular air filter (10).

6. The electric turbocharger for a diesel engine according to claim 1, characterized in that: The motor in the electric turbine (4) has a working power of 400-1500W.

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