A power system

Abstract

The application relates to the technical field of engine air intake treatment, and aims to solve the problem of high cleaning and maintenance frequency of an air filter in the prior art, and provides a power system, which comprises a shell, a power device and an air filter arranged in the shell, the power device comprises an engine and a cover component covering the engine, the cover component is provided with an air inlet and an air outlet, wherein: the cover component, the air inlet and the air outlet form an airflow channel flowing from the air inlet to the air outlet to cool the engine; the air filter is provided with an air inlet, an air outlet and a dust outlet, and the dust outlet is in one-way communication with the cover component.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of engine air intake treatment, in particular to a power system. BACKGROUND

[0002] The engine is a kind of energy supply device that can convert other energy into mechanical energy, and is widely used in many industries. Because the engine needs to suck a large amount of air during operation, if the air is not filtered, the dust suspended in the air will be sucked into the cylinder, which will accelerate the wear of the piston group and the cylinder. And the filter is a kind of filtering device that can filter dust and impurities in the air, which is an important part of engine air intake.

[0003] During the use of the air filter, the air enters the filter element from the air inlet, and the dust and impurities in the air are filtered out by the filter element. The filtered air is discharged through the air outlet, completing the filtration of the air. Therefore, after long-term use, a large amount of dust and impurities will be deposited in the filter element in the air, causing the filter element to be blocked, seriously affecting the filtering efficiency. Moreover, part of the dust will also accumulate in the inner cavity of the air filter, also affecting the normal use of the air filter. Therefore, the filter element and the inner cavity need to be cleaned and maintained in time during use. However, there is a problem of low cleaning efficiency when cleaning the air filter. Moreover, for some engines used in heavy dust environment, the cleaning and maintenance frequency of the air filter will be more frequent, which brings many inconveniences to the use and maintenance of the user. SUMMARY

[0004] The purpose of the present application is to provide an air filter to solve the problem of high cleaning and maintenance frequency of the air filter in the prior art.

[0005] The basic scheme provided by the present application is: a power system, comprising a shell, a power device and an air filter are arranged in the shell, the power device comprises an engine and a cover part covering the engine, the cover part has an air inlet and an air outlet, wherein: the cover part, the air inlet and the air outlet form an air flow channel flowing along the air inlet to the air outlet to cool the engine; the air filter is provided with an air inlet, an air outlet and a dust outlet, the dust outlet is unidirectionally communicated with the cover part.

[0006] The beneficial effects of the basic scheme are: compared with the existing engine, in the present application, the air enters the power device from the air inlet, flows in the air flow channel and cools the engine. Moreover, since the dust outlet of the air filter is unidirectionally communicated with the cover part, part of the air in the air filter flows out from the dust outlet and enters the engine during the flow process, and the dust in the air filter is also discharged together with the part of the air, thereby realizing self-cleaning of the air filter, reducing the maintenance frequency of the air filter and prolonging the maintenance period.

[0007] Further, the air filter comprises a shell and a filter element, the shell is provided with an inner cavity, the filter element is installed in the inner cavity, and the inner cavity is communicated with the air outlet and the air inlet; the air outlet is located at the outer end of the shell, the air inlet is located at the inner end of the shell, a spiral flow channel is arranged on the inner wall of the shell from inside to outside, the air inlet is arranged opposite the inlet of the spiral flow channel, and the air outlet is arranged opposite the outlet of the spiral flow channel. Beneficial effects: in the scheme, the spiral flow channel arranged on the inner wall of the shell is used to guide the air entering the air filter, part of the air is filtered after passing through the filter element, and the other part of the air flows out of the air outlet under the guidance of the spiral flow channel arranged from inside to outside, and finally is discharged out of the air filter together with the air through the dust discharge port, so that the self-cleaning of the air filter is realized, and the structure is simple.

[0008] Further, the shell is provided with a mounting port for inserting the air filter, and the mounting port is detachably connected with a maintenance cover. Beneficial effects: since the existing air filter is designed to have an entire surface of the shell as a mounting surface when designed, the entire mounting surface needs to be disassembled during operation, and then the air filter is installed in the shell, and then the mounting surface is reinstalled, which leads to inconvenient operation. Therefore, in the scheme, the mounting port is arranged on the shell, and the air filter is installed in the shell in the form of insertion. Compared with the prior art, when maintenance or cleaning is required, the air filter can be pulled out for cleaning or maintenance only by dismounting the maintenance cover, so that the maintenance work is simplified, and the maintenance is facilitated.

[0009] Further, the maintenance cover is threadedly connected with the mounting port. Beneficial effects: the threaded connection mode can ensure the stable connection between the maintenance cover and the shell, and also facilitates the dismounting of the maintenance cover, and the structure is simple.

[0010] Further, the maintenance cover is connected with the mounting port in a clamping mode. Beneficial effects: the clamping mode facilitates the dismounting of the maintenance cover, and the structure is simple.

[0011] Further, the shell is provided with a first air inlet portion, the first air inlet portion is communicated with the air inlet, and the first air inlet portion is located below the air filter. Beneficial effects: in the scheme, the first air inlet portion arranged below the filter element makes the air inlet route of the air filter from bottom to top, so that the large impurities in part of the air can be effectively separated, thereby reducing the impurities entering the filter element and further reducing the maintenance frequency of the filter element.

[0012] Further, the first air inlet portion is provided with an upwardly curved air guide plate. Beneficial effects: in the scheme, the upwardly curved air guide plate can smoothly guide the air to the upper side, so that the air path from bottom to top is used to separate part of the impurities in the air, and the structure is simple.

[0013] Further, the shell is further provided with a separation partition plate, and the separation partition plate is located between the first air inlet portion and the air inlet.

[0014] Further, the shell is further provided with a dust discharge port communicated with the inner cavity.

[0015] Further, the shell is further provided with a dust discharge port communicated with the inner cavity.

[0016] Further, the shell is further provided with a dust discharge port communicated with the inner cavity.

[0017] Further, the shell is further provided with a dust discharge port communicated with the inner cavity. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 Figure 1 is a schematic diagram of a power system embodiment of the present application;

[0019] Figure 2 Figure 2 is a right view of the power system of the present application; Figure 1

[0020] Figure 3 Figure 3 is a sectional view of A-A in the power system of the present application; Figure 2

[0021] Figure 4 Figure 4 is a sectional view of B-B in the power system of the present application; Figure 3

[0022] Figure 5 is a schematic diagram of the spiral air inlet of the air filter in the embodiment of the present application; Figure 5

[0023] Figure 6 is a schematic diagram of the impurity rough filtration in the embodiment of the present application; Figure 6

[0024] Figure 7 is a schematic diagram of the cover component in the embodiment of the present application. Figure 7 DETAILED DESCRIPTION

[0025] The following will be further described in detail through specific embodiments:

[0026] ​​​The reference signs in the drawings of the specification include: a shell 1, an engine 2, a cover part 20, an air inlet 21, an air filter 3, an air inlet 3a, an air outlet 3b, a dust outlet 3c, a filter core 4, a maintenance cover 5, a first air inlet part 61, a second air inlet part 62, a separation partition 7, a resonance cavity 8, an inlet 8a, an outlet 8b, an oil-gas mixing device 9, a silent generator 10.

[0027] The embodiment is substantially as shown in the accompanying Figure 1 and Figure 2 : a power system, comprising a shell 1, wherein the shell 1 is provided with a power device and an air filter 3, the power device comprises an engine 2 and a cover part 20 covering the engine 2, the cover part 20 is provided with an air inlet 21 and an air outlet, as Figure 7 shown, wherein: the cover part 20, the air inlet 21 and the air outlet form an airflow channel flowing from the air inlet 21 to the air outlet to cool the engine 2; the air filter 3 is provided with an air inlet 3a, an air outlet 3b and a dust outlet 3c, and the dust outlet 3c is unidirectionally communicated with the cover part 20.

[0028] Specifically, the shell 1 is provided with the air filter 3, the engine 2 and the oil-gas mixing device 9 connected with the engine 2, the air filter 3 comprises an outer shell and a barrel-shaped filter core 4, the outer shell is provided with a cylindrical inner cavity, the filter core 4 is installed in the inner cavity, and the outer shell is provided with the air outlet 3b and the radial air inlet 3a; the air outlet 3b is located at the outer end of the outer shell, and the air inlet 3a is located at the inner end of the outer shell; the inner wall of the outer shell is provided with a spiral flow channel from inside to outside, the air inlet 3a is arranged opposite to the inlet of the spiral flow channel, and the air outlet 3b is arranged opposite to the outlet 8b of the spiral flow channel.

[0029] The shell 1 is provided with a mounting port for inserting the air filter 3, and the mounting port is detachably connected with the maintenance cover 5, in this embodiment, the maintenance cover 5 is a circular cover, and can be connected with the mounting port in a threaded connection or a clamping connection, and in other embodiments, other detachable connection modes can also be adopted. The shell 1 is further provided with the dust outlet 3c communicated with the air outlet 3b, and the dust outlet 3c and the air inlet 3a are respectively located at two sides of the inner cavity.

[0030] The shell 1 is further provided with an air inlet window, the air inlet window comprises a first air inlet part 61 communicated with the air inlet 3a, the first air inlet part 61 is located below the filter core 4, and the air inlet window is provided with a plurality of wind deflector plates bent towards the air inlet 3a. The shell 1 is further provided with a separation partition 7, and the separation partition 7 is located between the air inlet window and the air inlet 3a.

[0031] The air inlet window further comprises a second air inlet part 62, the engine 2 is provided with a wind deflector, the wind deflector is provided with a cooling fan, the wind deflector is provided with the air inlet 21, the air inlet 21 is communicated with the second air inlet part 62, and the second air inlet part 62 is further communicated with the dust outlet 3c.

[0032] The air outlet 3b is connected with a resonant cavity 8 through a ventilation hose, the inlet 8a of the resonant cavity 8 is connected with the ventilation hose, and the oil-gas mixing device 9 is connected with the outlet 8b of the resonant cavity 8. The power device in the embodiment is a mute generator 10.

[0033] The specific implementation process is as follows: in use, air enters the air inlet 3a from the first air inlet part 61 of the air inlet window from bottom to top, in the process, large impurities in the air fall, the air passes through the separation partition plate 7, and part of the impurities in the air are separated out, so that the impurities in the air are coarsely filtered, as shown in Figure 4 and Figure 6 .

[0034] After passing through the air inlet 3a, the air enters the inner cavity and flows along the spiral flow channel on the inner wall of the shell, and finally flows out from the air outlet 3b, in the process, part of the air passes through the filter core 4 and then enters the resonant cavity 8 through the air outlet 3b, and finally enters the oil-gas mixing device 9 to perform oil-gas mixing operation.

[0035] In the working process of the engine 2, the cooling fan will suck the external cold air into the air duct from the second air inlet part 62 of the air inlet window and the air inlet 21, in the air suction process, since the second air inlet part 62 is connected with the dust outlet 3c, a negative pressure appears at the dust outlet 3c, under the action of the negative pressure, part of the air in the air filter 3 finally flows from the inner end to the outer end of the spiral flow channel, and carries the dust and other impurities in the air hole to be discharged from the dust outlet 3c, and then enters the engine 2 through the air inlet 21 on the air duct to cool the engine 2, as shown in Figure 4 and Figure 5 , the arrow direction is a flow direction of the air.

[0036] When the filter core 4 needs to be cleaned or maintained, the maintenance cover 5 is removed, the filter core 4 is taken out from the inner cavity, after the cleaning or maintenance of the filter core 4 is completed, the filter core 4 is inserted into the inner cavity, and then the maintenance cover 5 is installed.

[0037] The above-mentioned are only embodiments of the present application, and the common knowledge of specific structures and characteristics in the scheme is not described too much herein. The ordinary skilled person in the art knows all the ordinary technical knowledge in the field of the present application before the application date or the priority date, can know all the prior art in the field, and has the ability to apply conventional experimental means before that date. The ordinary skilled person in the art can perfect and implement the present scheme under the guidance of the present application, combined with their own ability. Some typical known structures or known methods should not be an obstacle for the ordinary skilled person in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application. These will not affect the effect and practicality of the patent. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. A power system comprising a housing, wherein a power unit and an air filter are disposed within the housing, the power unit comprising an engine and a cover assembly covering the engine, the cover assembly having an air inlet and an air outlet, characterized in that: The shroud component, air inlet, and air outlet form an airflow channel that flows from the air inlet to the air outlet to cool the engine; the air filter is provided with an air inlet, an air outlet, and a dust outlet, the dust outlet being unidirectionally connected to the shroud component; The housing is also provided with an air intake window, which includes a first air intake part that communicates with the air inlet; the air intake window also includes a second air intake part, which communicates with the air inlet and is also connected to the dust outlet.

2. The power system according to claim 1, characterized in that: The air filter includes a housing and a filter element. The housing has an inner cavity, and the filter element is installed in the inner cavity. The inner cavity is connected to the air outlet and the air inlet. The air outlet is located at the outer end of the housing, and the air inlet is located at the inner end of the housing. A spiral flow channel from the inside to the outside is provided on the inner wall of the housing. The air inlet is located opposite the inlet of the spiral flow channel, and the air outlet is located opposite the outlet of the spiral flow channel.

3. The power system according to claim 2, characterized in that: The housing is provided with an installation port for inserting the air filter, and the installation port is detachably connected to a maintenance cover.

4. The power system according to claim 3, characterized in that: The maintenance cover is threadedly connected to the mounting port.

5. The power system according to claim 3, characterized in that: The maintenance cover engages with the mounting port.

6. The power system according to any one of claims 1-5, characterized in that: The first air intake is equipped with an upwardly curved air guide plate.

7. The power system according to claim 6, characterized in that: The housing is also provided with a separation partition, which is located between the first air intake and the air inlet.

8. The power system according to claim 7, characterized in that: It also includes a resonant cavity that is connected to the air outlet.

9. The power system according to claim 8, characterized in that: The resonant cavity is connected to the air outlet via a vent hose.

10. The power system according to claim 9, characterized in that: It also includes an oil-gas mixing device connected to the engine, and the resonant cavity is provided with an outlet, which is connected to the oil-gas mixing device.

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