CN110905780A

CN110905780A - Strainer and intake system having the same

Info

Publication number: CN110905780A
Application number: CN201911299737.7A
Authority: CN
Inventors: 王新正; 姚成; 张丽江; 刘称意
Original assignee: Zhongxing Intelligent Automobile Co Ltd
Current assignee: Zhongxing Intelligent Automobile Co Ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-03-24

Abstract

The invention discloses a coarse filter and an air intake system having the same, wherein the coarse filter comprises a coarse filter body and a filter screen, a filter cavity is arranged inside the coarse filter body, and a filter cavity is further provided on the coarse filter body. an air inlet and an air outlet; the filter screen is arranged laterally or obliquely in the filter cavity and divides the filter cavity into an upper cavity and a lower cavity, and the air inlet and the air inlet are arranged on the lower cavity, The exhaust port is provided on the upper cavity. The air intake system includes an air filter and a prefilter as described above, and the prefilter is installed at the intake end of the air filter. The invention can improve the air cleanliness, avoid the blockage of the air filter, and reduce the maintenance cost during the use of the vehicle.

Description

Coarse filter and air inlet system with same

Technical Field

The invention relates to the technical field of automobiles, in particular to a coarse filter and an air inlet system with the same.

Background

To the air intake system of pure [ electric ] motor coach in the existing market, the air directly gets into through empty filter air inlet and filters the back, flows to air compressor again, forms compressed air, and the air cleanliness factor that gets into empty filter is low, and when the vehicle passed through the road surface that the dust is big, the ambient air cleanliness factor descends, and the air directly gets into air cleaner, causes the jam damage of empty filter core easily, needs often to change empty filter core to cause the vehicle to be increased by the maintenance cost who changes the filter core and arouse in the use.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a coarse filter which can perform primary coarse filtration on air entering an air filter, and improves the cleanliness of the air entering the air filter.

The invention also provides an air inlet system with the coarse filter, which can improve the air cleanliness, avoid the blockage of the air filter and reduce the maintenance cost in the use process of the vehicle.

The coarse filter comprises a coarse filter body and a filter screen, wherein a filter cavity is arranged inside the coarse filter body, and an air inlet and an air outlet are also formed in the coarse filter body; the filter screen is horizontal or the slope sets up filter chamber in and will the filter chamber is separated for epicoele and cavity of resorption, the air inlet is in with the setting on the cavity of resorption, the gas vent sets up on the epicoele.

The coarse filter according to the embodiment of the invention has at least the following beneficial effects: rational design coarse strainer structure, during outside air got into the coarse filtration body by the air inlet, through the water conservancy diversion effect of guide plate, make the air that gets into from the air inlet in order through the filter screen and in getting into the gas vent, can realize quick effectual filtering operation, filter the large-scale granule in the gas, the large-scale granule that the filter screen was filtered falls into the bottom of filter chamber, avoided the quick process of gathering of filtrations on the filter screen, the life of coarse strainer has been improved, the problem that the jam was caused easily to large-scale granule in the air intake system has been solved simultaneously.

According to some embodiments of the invention, the filter further comprises a flow guide member, the flow guide member is arranged in the filter cavity and between the air inlet and the air outlet, the air outlet is located in the flow guide direction of the flow guide member, and the air entering from the air inlet changes the air flowing direction through the filter screen and enters the air outlet through the flow guide member, so that the direct flow guide effect is realized.

According to some embodiments of the invention, the flow guiding elements are a plurality of flow guiding plates arranged below the filter screen, and the flow guiding plates are arranged in the filter cavity in an inclined manner of 45 degrees.

According to some embodiments of the invention, the rough filter body is provided with an access hole, and an access cover for blocking the access hole is detachably mounted on the access hole, so that the maintenance of the rough filter is facilitated.

According to some embodiments of the invention, the coarse filter body is in the shape of a cylinder arranged vertically, and the service opening is arranged at the top of the coarse filter body.

According to some embodiments of the invention, a sealing ring is arranged between the access cover and the access opening to prevent air from flowing out of a gap between the access cover and the coarse filter body to cause airflow noise.

According to some embodiments of the invention, the rough filtering body is further provided with a dust exhaust port, the dust exhaust port is arranged at the bottom of the lower cavity, and large particles filtered by the filter screen fall downwards into the lower cavity and are exhausted through the dust exhaust port, so that filter particles are prevented from accumulating in the filter cavity.

According to some embodiments of the invention, the bottom of the dust exhaust port is connected with a dust exhaust valve, and the dust exhaust valve collects filter substances exhausted from the dust exhaust port and exhausts particulate matters and oil water out of the vehicle during parking inspection.

According to some embodiments of the invention, the air inlet and the air outlet are oppositely arranged on the side wall of the rough filtering body, and the air inlet and the air outlet are in line with the aerodynamic principle, so that air directly flows into the air outlet through the oblique guiding action of the guide plate.

An air intake system according to an embodiment of the second aspect of the invention includes an air cleaner and a strainer as described above, the strainer being mounted at an air intake end of the air cleaner.

The air inlet system provided by the embodiment of the invention has at least the following beneficial effects: the air filter is characterized in that the air inlet end of the air filter is provided with the coarse filter, large particles in the air are filtered before the air enters the air filter, the phenomenon that the large particles directly enter the air filter to cause the filter element of the air filter to be blocked is avoided, the internal structure of the filter element is damaged, the filtering load of the air filter is greatly reduced, the air cleanliness in an air inlet system is improved, and the maintenance cost in the use process of a vehicle is reduced.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic transverse cross-sectional view of the structure shown in FIG. 1;

FIG. 3 is an exploded view of the structure shown in FIG. 1;

fig. 4 is a schematic structural view of part of the structure of the intake system (strainer and air cleaner).

The coarse filter comprises a coarse filter body 100, an air inlet 110, an air outlet 120, an access opening 130, an air filter 200, an air inlet end 210, a dust exhaust valve 300, an access cover 400, a dust exhaust opening 500, a sealing ring 600, a filter screen 700, a flow guide piece 800, a filter cavity 900, an upper cavity 910 and a lower cavity 920

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 3, a strainer according to an embodiment of the first aspect of the present invention will be described below.

As shown in fig. 1 to 3, a coarse filter includes a coarse filter body 100, a filter chamber 900 is disposed inside the coarse filter body 100, a filter screen 700 is disposed in the filter chamber 900, the filter screen 700 is transversely or obliquely disposed in the filter chamber 900 to divide the filter chamber into an upper chamber 910 and an inner chamber, an air inlet 110 and an air outlet 120 are further disposed on the coarse filter body 100, the air inlet 110 is disposed on the lower chamber 920, and the air outlet 120 is disposed on the upper chamber 910. The filter cavity 900 is also provided with a plurality of flow guiding elements 800, the flow guiding elements 800 are arranged between the air inlet 110 and the air outlet 120, namely the flow guiding elements 800 are arranged on an air flow passage between the air inlet 110 and the air outlet, the air outlet 120 is positioned in the flow guiding direction of the flow guiding elements 800, the air input by the air inlet 110 passes through the flow guiding elements 800, the flow guiding elements 800 guide the air into the air outlet 120, the air flow path in the filter cavity 900 is controlled, the phenomenon that the air flow speed is obstructed due to turbulent air flow or vortex flow and the like after the air enters the filter cavity 900 is avoided, the air flow speed in the coarse filter is improved, and the air filtering speed and efficiency are improved. Air enters the upper cavity 910 from the lower cavity 920, the filter screen 700 is transversely or obliquely arranged in the filter cavity 900, large particles filtered by the filter screen 700 fall into the bottom of the filter cavity 900, and the particles are placed on the filter screen 700 to be rapidly accumulated, so that the service life of the filter screen 700 is influenced.

According to some embodiments of the present invention, the flow guiding member 800 is a plurality of flow guiding plates disposed below the filter screen 700, the flow guiding plates are disposed in the filter chamber 900 in parallel and inclined in a direction from the air inlet 110 to the air outlet 120, and the flow guiding plates can be fixed in the filter chamber 900 by being integrally formed with the coarse filter body 100, and can also be fixed in the filter chamber 900 by being fastened by interference fit. In addition, the filter screen 700 may be fixed in the filter chamber 900 by being integrally formed with the coarse filter body 100 or by being engaged with a filter disc. Besides being a guide plate, the guide piece 800 can also be other guide parts such as a guide plate and the like, and the technical effect of guiding can also be achieved. The flow guide member 800 is disposed below the filter screen 700, that is, in the lower cavity 920, after the air enters the lower cavity 920 from the air inlet 110, the air first flows obliquely upward through the filter screen 700 by the flow guide function of the flow guide member 800, so that the air can be filtered by the filter screen 700 after entering, and the filtering efficiency of the strainer is improved.

Specifically, the guide plate is obliquely arranged in the filter cavity 900 at an angle of 45 degrees, which is one of the preferred inclination angles of the guide plate, and is convenient for a stable flow guiding process.

According to some embodiments of the present invention, an access opening 130 is formed on the coarse filter body 100, the access opening 130 is arranged at the top of the coarse filter body 100, an access cover 400 blocking the access opening 130 is detachably mounted on the access opening 130, the access cover 400 can be mounted on the access opening 130 in a screw connection manner and is used for blocking the access opening 130, and the access opening 130 is used for a worker or a maintenance person to inspect, maintain and maintain the coarse filter.

Specifically, the access opening 130 is disposed at the top of the coarse filter body 100, and a worker or a maintenance person can observe the internal condition of the coarse filter body 100 at the top of the coarse filter body 100, so as to facilitate maintenance and repair of the coarse filter.

Specifically, a sealing ring 600 is arranged between the access cover 400 and the access opening 130, so that air is prevented from flowing out from a gap between the access cover 400 and the coarse filter body 100, and air leakage and air flow noise are prevented.

According to some embodiments of the present invention, the rough filtering body 100 is further provided with a dust exhaust port 500, the dust exhaust port 500 is disposed at the bottom of the lower cavity 920, and the large particles filtered by the filter screen 700 fall downwards, fall into the bottom of the lower cavity 920 and are exhausted through the dust exhaust port 500, so that the accumulation of the filtered particles in the filtering cavity 900 is avoided, the problem of accumulation in the cavity is solved, and the service life of the rough filter is prolonged.

Specifically, the bottom of the dust exhaust port 500 is connected with a dust exhaust valve 300, and the dust exhaust valve 300 is used for collecting filter materials exhausted from the dust exhaust port 500 and exhausting particulate matters and oil water out of the vehicle in the parking inspection process.

According to some embodiments of the present invention, the coarse filter body 100 is cylindrical, the dust exhaust port 500 is funnel-shaped and disposed at the bottom of the coarse filter body 100, the coarse filter body 100 is designed to be cylindrical, which is convenient for maintenance, which reduces the space occupied by the coarse filter body 100, which is suitable for the air flowing environment, and the dust exhaust port 500 is designed to be funnel-shaped, which is convenient for the dust exhaust port 500 to collect and exhaust the filtered material.

According to some embodiments of the present invention, the air inlet 110 and the air outlet 120 are oppositely disposed on the side wall of the coarse filter body 100, the air inlet 110 enters the filter chamber 900 from one side of the coarse filter body 100, is guided and filtered by the guide member 800, and is discharged from the air outlet 120 located at the other side of the coarse filter body 100, so that the movement path of air in the filter chamber 900 is improved, and the air flow speed is increased. The exterior of the intake port 110 and the exhaust port 120 are provided with intake and exhaust nozzles, respectively, for connection with other components of the intake system.

Referring to fig. 4, an intake system according to an embodiment of the second aspect of the present invention will be described below.

Air intake system is the system that is used for providing clean air on the car, including air cleaner 200 and strainer, the strainer is installed at air cleaner 200's inlet end 210, filter the large-scale granule of the air that gets into before air entering air cleaner 200, carry out the coarse filtration process once to the air, avoid large-scale granule directly to get into air cleaner 200 and cause the jam of air cleaner 200 filter core, damage the inner structure of filter core, improve the cleanliness factor of admitting air, especially when the dusty road conditions, the ambient air cleanliness factor descends, the strainer can effectively improve the air cleanliness factor in the air intake system.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. a coarse filter, is characterized in that, comprises:

The coarse filter body (100) is provided with a filter cavity (900) inside, and the coarse filter body (100) is further provided with an air inlet (110) and an exhaust port (120);

A filter screen (700) is arranged laterally or obliquely in the filter cavity (900) and divides the filter cavity (900) into an upper cavity (910) and a lower cavity (920), and the air inlet (110) The exhaust port (120) is arranged on the lower cavity (920), and the exhaust port (120) is arranged on the upper cavity (910).

2 . The prefilter according to claim 1 , further comprising a flow guide ( 800 ), and the flow guide is arranged in the filter cavity ( 900 ) and at the air inlet ( 110 ). 3 . ) and the exhaust port (120), the exhaust port (120) is located in the direction of the flow guide of the flow guide member (800).

3 . The strainer according to claim 2 , wherein the air guide ( 800 ) is a plurality of air guide plates arranged under the filter screen ( 700 ), and the air guide plates are inclined at 45°. 4 . is arranged in the filter cavity (900).

4 . The strainer according to claim 1 , wherein an inspection port ( 130 ) is provided on the strainer body ( 100 ), and the inspection port ( 130 ) is detachably installed to block the overhaul port. 5 . Access cover (400) for port (130).

5 . The strainer according to claim 4 , wherein the strainer body ( 100 ) is in the shape of a cylinder arranged vertically, and the inspection port ( 130 ) is arranged on the strainer body ( 100 ). 6 . the top of.

6 . The strainer according to claim 4 , wherein a sealing ring ( 600 ) is provided between the inspection cover ( 400 ) and the inspection port ( 130 ). 7 .

7. The coarse filter according to claim 1, characterized in that, the coarse filter body (100) is further provided with a dust discharge port (500), and the dust discharge port (500) is arranged in the lower cavity ( 920) at the bottom.

8. The strainer according to claim 7, wherein a dust discharge valve (300) is connected to the bottom of the dust discharge port (500).

9. The strainer according to any one of claims 1 to 8, characterized in that, the air inlet (110) and the exhaust port (120) are arranged opposite to the side of the strainer body (100). side wall.

10. An air intake system, characterized in that it comprises an air filter (200) and the prefilter according to any one of claims 1 to 9, wherein the prefilter is installed on the air filter (200). ) of the intake port (210).