Intake manifold, engine system and vehicle

Abstract

The invention relates to the technical field of vehicles, and discloses an intake manifold, an engine system and a vehicle. The intake manifold comprises a manifold main body and a water intercepting component; the manifold body comprises an air inlet, an air flow channel is formed in the manifold body, and the water intercepting component is arranged at the air inlet and used for intercepting at least part of liquid in air flowing into the air flow channel from the air inlet. According to the intake manifold, the engine system and the vehicle, the situation that condensate water entering all cylinders of the engine is not uniform can be avoided, the problem that the engine is on fire is solved, and the EGR rate and oil consumption cannot be affected.

Description

Technical Field

[0001] The present application relates to the field of vehicle technology, and in particular to an intake manifold, an engine system and a vehicle. Background Art

[0002] As fuel consumption indicators continue to become more stringent, EGR (Exhaust Gas Re-circulation) has become a standard technology for high-efficiency engines. In order to achieve lower fuel consumption, the EGR rate used by engines is getting higher and higher.

[0003] A high EGR rate will bring the following problems: in an environment with high air humidity, the amount of condensed water after intercooling will increase, and some of the condensed water will be retained on the inner wall of the intake manifold and the low-lying areas of the intake manifold. After the engine is started, the condensed water retained on the wall and stored in the low-lying areas of the intake manifold enters the engine cylinder with the airflow. Since the amount of condensed water entering each cylinder of the engine varies greatly, it will cause cylinder misfire.

[0004] At present, in order to address the problem of engine misfires caused by condensation on the inner wall of the intake manifold and condensation in low-lying areas entering the combustion air passage unevenly, the industry generally uses humidity sensors to monitor the intake humidity and increase the intake temperature to reduce the generation of condensation, thereby avoiding frequent engine misfires. However, this measure will lead to a decrease in the EGR rate and an increase in fuel consumption. Summary of the invention

[0005] In view of this, the present application provides an intake manifold, an engine system and a vehicle, which can avoid the uneven distribution of condensed water entering the cylinders of the engine, solve the problem of engine misfire, and will not affect the EGR rate and fuel consumption.

[0006] Specifically, the following technical solutions are included:

[0007] A first aspect of the present application provides an intake manifold, the intake manifold comprising a manifold body and a water cut-off component;

[0008] The manifold body comprises an air inlet and an air flow channel is formed inside. The water intercepting member is arranged at the air inlet and is used to intercept at least part of the liquid in the air flowing into the air flow channel from the air inlet.

[0009] Optionally, the water cut-off member comprises a plurality of first ribs, and the plurality of first ribs are arranged at intervals along the first direction; and / or,

[0010] The water-cutting member includes a plurality of second ribs, and the plurality of second ribs are arranged at intervals along a second direction, and the first direction intersects with the second direction.

[0011] Optionally, the water-cutting member is a mesh member.

[0012] Optionally, the intake manifold further comprises a mounting component and a water storage component;

[0013] The mounting member is disposed around the water cut-off member and connected to the manifold body;

[0014] The water storage member has an accommodating cavity therein, and the water storage member is located below the water cut-off member in the gravity direction, and a portion of the water cut-off member and / or a portion of the mounting member extends into the accommodating cavity.

[0015] Optionally, the mounting member further comprises a first guide surface, which is located in front of the water cut-off member in the airflow direction and is inclined so that the closer it is to the water cut-off member, the closer it is to the axis of the airflow channel; and / or,

[0016] The mounting member further includes a second flow guiding surface, which is located behind the water cut-off member in the airflow inflow direction and is inclined such that the closer it is to the water cut-off member, the closer it is to the axis of the airflow channel.

[0017] Optionally, the intake manifold further comprises a drainage member and a control member;

[0018] The drainage component is connected to the water storage component and has a drainage channel inside, and the drainage channel is respectively connected to the accommodating cavity and the outside;

[0019] The control component is disposed on the drainage component and can open or close the drainage channel.

[0020] Optionally, the control component is a solenoid valve.

[0021] A second aspect of the present application provides an engine system, which includes the above-mentioned intake manifold.

[0022] A third aspect of the present application provides a vehicle, which includes the above-mentioned intake manifold, or includes the above-mentioned engine system.

[0023] Optionally, according to the vehicle of claim 1, the intake manifold further comprises a water storage member, a drainage member and a control member;

[0024] The water storage member has a receiving cavity inside and is located below the water cut-off member in the gravity direction, and the water cut-off member is partially located in the receiving cavity; the drainage member is connected to the water storage member and has a drainage channel inside, and the drainage channel is connected to the receiving cavity and the outside respectively; the control member is arranged on the drainage member and is configured to open the drainage channel after each set time interval; or,

[0025] The vehicle further includes a sensor, which is disposed in the accommodating cavity; the control component is respectively connected to the sensor and the control component, and is configured to open or close the drainage channel according to a liquid level signal sent by the sensor.

[0026] The beneficial effects of the technical solution provided by the embodiments of the present application include at least:

[0027] The intake manifold, engine system and vehicle provided in the embodiments of the present application are additionally provided with a water-cutting component at the air intake of the intake manifold. When the gas flows from the air intake into the air flow channel inside the intake manifold, the water vapor carried therein will be partially intercepted at the air intake by the water-cutting component, thereby preventing excessive condensed water from being retained on the wall surface inside the intake manifold or being stored in the low-lying area of ​​the intake manifold, thereby preventing the condensed water from entering the various cylinders of the engine unevenly, solving the problem of engine misfire, and not affecting the EGR rate and fuel consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 A schematic diagram of the structure of an intake manifold provided in an embodiment of the present application is shown;

[0030] Figure 2 A cross-sectional view of an intake manifold provided in an embodiment of the present application is shown;

[0031] Figure 3 A cross-sectional view of another intake manifold provided in an embodiment of the present application is shown;

[0032] Figure 4 A schematic diagram showing the connection relationship between the water storage component, the drainage component and the control component provided in the embodiment of the present application is shown;

[0033] Figure 5 A schematic diagram showing a control component provided in an embodiment of the present application shutting off a drainage component is shown;

[0034] Figure 6 A schematic diagram is shown of the control component provided in an embodiment of the present application when the drainage component is turned on.

[0035] Reference numerals:

[0036] 1. Manifold body;

[0037] 11. Air inlet;

[0038] 2. water cut-off member; 21. first rib plate; 22. second rib plate;

[0039] 3. Mounting member; 31. First guide surface; 32. Second guide surface;

[0040] 4. water storage component; 41. accommodating chamber;

[0041] 5. Drainage component; 51. Drainage channel; 511. First pipe section; 512. Second pipe section; 513. Third pipe section;

[0042] 6. Control component; 61. Coil; 62. Electromagnet; 63. Compression spring; 64. Valve stem; 65. Plunger.

[0043] The above drawings have shown clear embodiments of the present application, which will be described in more detail later. These drawings and text descriptions are not intended to limit the scope of the present application in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0044] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application. In order to make the technical solutions and advantages of the present application clearer, the intake manifold, engine system, vehicle, etc. will be described in detail in conjunction with the drawings.

[0045] As fuel consumption indicators continue to tighten, EGR has become a standard technology for high-efficiency engines. In order to achieve lower fuel consumption, the EGR rate used by engines is getting higher and higher. However, a high EGR rate will bring the following problems: In a high air humidity environment, the amount of condensed water increases after intercooling, and part of the condensed water will be retained on the inner wall of the intake manifold and the low-lying area of ​​the intake manifold. After the engine is started, the condensed water retained on the wall and stored in the low-lying area of ​​the intake manifold enters the engine cylinder with the airflow. Because the amount of condensed water entering each cylinder of the engine is quite different, it will cause cylinder misfire.

[0046] At present, in order to address the problem of engine misfires caused by condensation on the inner wall of the intake manifold and condensation in low-lying areas entering the combustion air passage unevenly, the industry generally uses humidity sensors to monitor the intake humidity and increase the intake temperature to reduce the generation of condensation, thereby avoiding frequent engine misfires. However, this measure will lead to a decrease in the EGR rate and an increase in fuel consumption.

[0047] To this end, the present application provides an intake manifold, such as Figure 1As shown, the intake manifold may include a manifold body 1 and a water-cutting member 2; the manifold body 1 includes an air inlet 11 and an air flow channel is formed inside, the water-cutting member 2 is arranged at the air inlet 11 and is used to intercept at least part of the liquid in the air flowing into the air flow channel from the air inlet 11.

[0048] In the intake manifold provided in the embodiment of the present application, a water-cutting component 2 is additionally provided at the air inlet 11 of the intake manifold. When the gas flows from the air inlet 11 into the air flow channel inside the intake manifold, the water vapor carried therein will be partially intercepted at the air inlet 11 by the water-cutting component 2, thereby preventing excessive condensed water from being retained on the wall surface inside the intake manifold or being stored in the low-lying area of ​​the intake manifold, thereby preventing the condensed water from entering the cylinders of the engine unevenly, solving the problem of engine misfire, and not affecting the EGR rate and fuel consumption.

[0049] First of all, it should be noted that the front end of the intake manifold is connected to the air filter, which is responsible for filtering the air entering the engine, removing dust, impurities and other foreign matter in the air, allowing clean air to enter the intake manifold. The filtered clean air flows along the pipeline to the intake manifold, preparing to enter the cylinder for combustion. The rear end of the intake manifold is connected to the air intake port 11 of the engine cylinder head, and its function is to transport the air distributed in the intake manifold to each cylinder.

[0050] Therefore, what flows in from the air inlet 11 of the intake manifold is clean air filtered by the air filter, but the air filter can only filter out foreign matter in the air, and some water vapor still remains in the clean air. This part of water vapor will flow into the intake manifold along with the airflow. In order to avoid the above-mentioned engine misfire problem, a water interception member 2 is provided, the purpose of which is to intercept water vapor at the air inlet 11 as much as possible, and to prevent condensed water from being retained on the wall surface inside the intake manifold or in the low-lying part of the intake manifold.

[0051] Further, in some embodiments of the present application, Figure 1 The water-cutting member 2 shown may include a plurality of first ribs 21 arranged at intervals along a first direction; and / or, the water-cutting member 2 may include a plurality of second ribs 22 arranged at intervals along a second direction, and the first direction intersects the second direction.

[0052] In the intake manifold provided in the embodiment of the present application, the water-cutting component 2 may be provided with a plurality of first ribs 21 arranged at intervals. When the airflow carrying water vapor passes through the first rib 21 and encounters a surface of an object with a relatively low temperature (such as the surface of the first rib 21), heat will be transferred to the first rib 21, causing the temperature of the water vapor itself to decrease. At this time, the water vapor cannot exist stably in a gaseous state, and then condenses from a gaseous state into small liquid droplets that adhere to the surface of the first rib 21, thereby achieving separation of air and water vapor and trapping the water vapor at the air inlet 11.

[0053] The principle of the second rib plate 22 to intercept water vapor is the same as that of the first rib plate 21, and this application will not be repeated here. In addition, those skilled in the art can select and adjust the spacing, quantity and shape of the first rib plate 21 and / or the second rib plate 22 according to actual needs.

[0054] Optionally, the first rib plate 21 is a metal component or other component with good thermal conductivity.

[0055] Optionally, the second rib plate 22 is a metal component or other component with good thermal conductivity.

[0056] Alternatively, if Figure 1 As shown, the water-cutting member 2 is a mesh member.

[0057] In the intake manifold provided in the embodiment of the present application, the water interception member 2 may be a mesh member. When the airflow carries water vapor through the mesh water interception member 2, part of the water vapor will condense into liquid water when passing through the surface of the mesh member, and thus be intercepted. In addition, the airflow may also carry some condensed water droplets with larger particle sizes, which will also be intercepted when passing through the mesh of the mesh member, thereby further improving the water interception effect, and being able to avoid the accumulation of condensed water inside the intake manifold, as well as problems such as engine misfires.

[0058] In addition, the water-cutting component 2 adopts a mesh structure, which not only has a good water-cutting effect, but also does not hinder the airflow at the intake port 11 of the intake manifold due to its large number of meshes, thereby ensuring that clean air can flow smoothly through the intake manifold to the engine cylinder.

[0059] Since the airflow continuously flows from the intake manifold to the engine cylinders during operation of the engine system, the condensed water intercepted by the water interception member 2 will also continuously accumulate. If it cannot be processed, it may affect the normal operation of the intake manifold and the entire engine system.

[0060] In this regard, in some embodiments of the present application, Figure 1 and Figure 2As shown, the intake manifold may further include a mounting component 3 and a water storage component 4; the mounting component 3 is disposed around the water cut-off component 2 and is connected to the manifold body 1; the water storage component 4 has an accommodating cavity 41 therein, and the water storage component 4 is located below the water cut-off component 2 in the direction of gravity, and a portion of the water cut-off component 2 and / or a portion of the mounting component 3 extends into the accommodating cavity 41.

[0061] In the intake manifold provided in the embodiment of the present application, the water cut-off component 2 is fixedly connected to the manifold body 1 through the mounting component 3, and a water storage component 4 is provided below the water cut-off component 2. When the airflow carries water vapor and flows through the water cut-off component 2, part of the water vapor will condense into condensed water on the surface of the water cut-off component 2, and flow into the accommodating cavity 41 of the water storage component 4 along the surface of the water cut-off component 2 and / or the mounting component 3 under the action of gravity, so as to avoid the accumulation of condensed water at the intake manifold as much as possible. In addition, if the condensed water remains at the air inlet 11, even if the air flowing in from the air inlet 11 is relatively dry, it may take away some condensed water, resulting in a high intake humidity. Therefore, the water storage component 4 is provided to timely introduce the condensed water into the accommodating cavity 41, which can also avoid the cylinder misfire problem caused by the high intake humidity.

[0062] In some embodiments, the water storage member 4 is penetrated through the inner wall of the air inlet 11 and partially exposed from the air inlet 11, the upper end of the mounting member 3 is connected to the manifold body 1, the lower end extends into the accommodating cavity 41, and part of the water cut-off member 2 also extends into the accommodating cavity 41, and condensed water can flow from the mounting member 3 and / or the water cut-off member 2 into the accommodating cavity 41 of the water storage member 4.

[0063] In some embodiments of the present application, Figure 3 As shown, the mounting member 3 may further include a first guide surface 31, which is located in front of the water cut-off member 2 in the direction of airflow inflow and is inclined so that the closer it is to the water cut-off member 2, the closer it is to the axis of the airflow channel; and / or, the mounting member 3 further includes a second guide surface 32, which is located behind the water cut-off member 2 in the direction of airflow inflow and is inclined so that the closer it is to the water cut-off member 2, the closer it is to the axis of the airflow channel.

[0064] When the water vapor in the airflow condenses into liquid on the surface of the water-cutting member 2, it will flow downward along the surface of the water-cutting member 2 under the influence of gravity, and part of the condensed water will flow directly from the bottom end of the water-cutting member 2 into the accommodating cavity 41 of the water storage member 4, and the other part of the condensed water will flow onto the inner wall of the mounting member 3. Therefore, the first guide surface 31 and / or the second guide surface 32 can be provided on the mounting member 3. Since the first guide surface 31 and the second guide surface 32 are both inclined surfaces, and are inclined so that the closer they are to the water-cutting member 2, the farther they are from the axis of the airflow channel (that is, the closer they are to the accommodating cavity 41 of the water storage member 4), even if the condensed water flows onto the first guide surface 31 or the second guide surface 32, it will flow into the accommodating cavity 41 together under the action of gravity, and will not remain on the inner wall of the mounting member 3, thereby preventing the condensed water from accumulating at the air inlet 11.

[0065] Since the air flow continuously flows from the intake manifold to the engine cylinders during operation of the engine system, the condensed water intercepted by the water cut-off component 2 will continuously accumulate in the water storage component 4. If the condensed water stored in the water storage component 4 cannot be processed in time, when the accommodating chamber 41 is full, the condensed water may overflow and affect the normal operation of the intake manifold and even the entire engine system.

[0066] In this regard, in some embodiments of the present application, Figure 4 and Figure 5 As shown, the intake manifold may further include a drainage component 5 and a control component 6. The drainage component 5 is connected to the water storage component 4 and has a drainage channel 51 inside. The drainage channel 51 is respectively connected to the accommodating chamber 41 and the outside. The control component 6 is arranged on the drainage component 5 and can open or close the drainage channel 51.

[0067] In the intake manifold provided in the embodiment of the present application, a drainage component 5 may be further provided. One end of the drainage channel 51 inside the drainage component 5 is connected to the accommodating chamber 41 inside the water storage component 4, and the other end is connected to the outside. In addition, a control component 6 is also provided on the drainage component 5. When a large amount of condensed water is stored in the accommodating chamber 41 and needs to be discharged, the control component 6 can open the drainage channel 51, and the condensed water in the accommodating chamber 41 is discharged to the outside along the drainage channel 51, and then the control component 6 can close the drainage channel 51. This arrangement can discharge the condensed water stored in the accommodating chamber 41 at any time to prevent the condensed water from overflowing.

[0068] Optionally, the drainage member 5 is a drainage pipe.

[0069] Optionally, the control component 6 is a solenoid valve.

[0070] In some embodiments, Figure 5 and Figure 6As shown, the control component 6 includes a coil 61, an electromagnet 62, a compression spring 63, a valve stem 64 and a plunger 65; one end of the valve stem 64 is provided with an electromagnet 62, and the other end is connected to the plunger 65, the plunger 65 is arranged in the drainage channel 51, and can move along the axial direction of the valve stem 64, and the coil 61 is arranged around the electromagnet 62; wherein the drainage component 5 includes a first pipe segment 511, a second pipe segment 512 and a third pipe segment 513 connected in sequence, the diameter of the second pipe segment 512 is larger than the diameter of the first pipe segment 511 and the diameter of the third pipe segment 513, the diameter of the plunger 65 is also larger than the diameter of the first pipe segment 511 and the diameter of the third pipe segment 513, and the diameter of the plunger 65 is smaller than the diameter of the second pipe segment 512, and can conduct or the liquid passage between the first pipe segment 511 and the third pipe segment 513 when moving.

[0071] When it is necessary to open the drainage channel 51, current can be passed through the coil 61, and the coil 61 will generate a magnetic field. The electromagnet 62 will compress the compression spring 63 under the action of the magnetic field, so that the plunger 65 moves away from the coil 61. As shown in the figure, the first pipe section 511 and the third pipe section 513 are connected at this time, that is, the drainage channel 51 is connected, and the condensed water in the accommodating chamber 41 can be discharged to the outside through the drainage member 5. When it is necessary to close the drainage channel 51, the current passed through the coil 61 can be switched. When there is no magnetic field, the electromagnet 62 will force the plunger 65 to move towards the direction close to the coil 61 under the action of the restoring force of the compression spring 63, and when it moves to the extreme position, it just blocks the opening of the first pipe section 511 and the opening of the third pipe section 513, that is, the drainage channel 51 is closed at this time, and the sealing of the entire engine system is also guaranteed.

[0072] The present application also provides an engine system, which includes the above-mentioned intake manifold.

[0073] In the engine system provided in the embodiment of the present application, a water cut-off component 2 is additionally provided at the air inlet 11 of the intake manifold. When the gas flows from the air inlet 11 into the air flow channel inside the intake manifold, the water vapor carried therein will be partially intercepted by the water cut-off component 2 at the air inlet 11, thereby preventing excessive condensed water from being retained on the wall surface inside the intake manifold or being stored in the low-lying area of ​​the intake manifold.

[0074] Furthermore, since the engine intake system provided in the present application adopts the above-mentioned intake manifold, it can avoid the uneven distribution of condensed water entering the cylinders of the engine, solve the problem of engine misfire, and will not affect the EGR rate and fuel consumption.

[0075] The present application also provides a vehicle, which includes the above-mentioned intake manifold, or includes the above-mentioned engine system.

[0076] In some embodiments, the intake manifold may further include a water storage component 4, a drainage component 5 and a control component 6; the water storage component 4 has a accommodating chamber 41 inside and is located below the water cut-off component 2 in the gravity direction, and the water cut-off component 2 is partially located in the accommodating chamber 41; the drainage component 5 is connected to the water storage component 4, and has a drainage channel 51 inside, and the drainage channel 51 is respectively connected to the accommodating chamber 41 and the outside; the control component 6 is arranged on the drainage component 5, and is configured to open the drainage channel 51 after each set time interval.

[0077] In the vehicle provided in the embodiment of the present application, the control component 6 is configured to open the drainage channel 51 at set time intervals, so that the condensed water in the accommodating chamber 41 can be automatically discharged to the outside at regular intervals, avoiding overflow of the condensed water.

[0078] However, in actual application, the driving time of the vehicle is not fixed, and the driving state changes at any time, so the accumulation rate of condensed water is not fixed. In this regard, in some embodiments, the vehicle may further include a sensor, which is disposed in the accommodating cavity 41; the control member 6 is respectively connected to the sensor and the control member 6, and is configured to open or close the drainage channel 51 according to the liquid level signal sent by the sensor.

[0079] In addition, a sensor is provided to detect the liquid level of the condensed water stored in the accommodating chamber 41. When the liquid level reaches a first set threshold, a liquid level signal is sent to the sensor, so that the control member 6 turns on the drainage channel 51. When the liquid level drops to a second set threshold, it is determined that the condensed water is almost discharged to the outside, and then the control member 6 turns off the drainage channel 51. Compared with the above embodiment, this arrangement is more applicable and can timely select discharge or shut down according to the amount of condensed water in the accommodating chamber 41.

[0080] In the present application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. The term "plurality" refers to two or more than two, unless otherwise clearly defined.

[0081] Those skilled in the art will readily appreciate other embodiments of the present application after considering the specification and practicing the invention disclosed herein. The present application is intended to cover any modification, use or adaptation of the present application, which follows the general principles of the present application and includes common knowledge or customary techniques in the art that are not disclosed in the present application. The specification and examples are intended to be exemplary only.

[0082] It should be understood that the present application is not limited to the precise structures that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present application is limited only by the appended claims.

Claims

1. An intake manifold, characterized in that: The intake manifold comprises a manifold body (1) and a water cut-off component (2); The manifold body (1) comprises an air inlet (11) and an air flow channel is formed inside. The water intercepting member (2) is arranged at the air inlet (11) and is used to intercept at least part of the liquid in the air flowing into the air flow channel from the air inlet (11).

2. The intake manifold according to claim 1, characterized in that: The water-cutting member (2) comprises a plurality of first ribs (21), wherein the plurality of first ribs (21) are arranged at intervals along a first direction; and / or, The water-cutting member (2) comprises a plurality of second ribs (22), wherein the plurality of second ribs (22) are arranged at intervals along a second direction, and the first direction intersects with the second direction.

3. The intake manifold according to claim 2, characterized in that: The water-cutting component (2) is a mesh component.

4. The intake manifold according to claim 1, characterized in that: The intake manifold further comprises a mounting component (3) and a water storage component (4); The mounting component (3) is disposed around the water cut-off component (2) and is connected to the manifold body (1); The water storage component (4) has a receiving cavity (41) therein; the water storage component (4) is located below the water cut-off component (2) in the direction of gravity; a portion of the water cut-off component (2) and / or a portion of the mounting component (3) extends into the receiving cavity (41).

5. The intake manifold according to claim 4, characterized in that: The mounting member (3) further comprises a first flow guiding surface (31), the first flow guiding surface (31) being located in front of the water cut-off member (2) in the direction of airflow inflow and being inclined so as to be closer to the water cut-off member (2) and closer to the axis of the airflow channel; and / or, The mounting member (3) further comprises a second flow guiding surface (32), which is located behind the water cut-off member (2) in the airflow inflow direction and is inclined such that the closer it is to the water cut-off member (2), the closer it is to the axis of the airflow channel.

6. The intake manifold according to claim 4, characterized in that: The intake manifold further comprises a drainage component (5) and a control component (6); The drainage component (5) is connected to the water storage component (4) and has a drainage channel (51) inside, and the drainage channel (51) is respectively connected to the accommodating cavity (41) and the outside; The control component (6) is arranged on the drainage component (5) and is capable of opening or closing the drainage channel (51).

7. The intake manifold according to claim 6, characterized in that: The control component (6) is a solenoid valve.

8. An engine system, characterized in that: The engine system comprises the intake manifold according to any one of claims 1 to 7.

9. A vehicle, characterized in that: The vehicle comprises the intake manifold according to any one of claims 1 to 7, or comprises the engine system according to claim 8.

10. The vehicle according to claim 9, characterized in that The intake manifold further comprises a water storage component (4), a drainage component (5) and a control component (6); The water storage member (4) has a receiving chamber (41) inside and is located below the water cut-off member (2) in the direction of gravity, and the water cut-off member (2) is partially located in the receiving chamber (41); the drainage member (5) is connected to the water storage member (4) and has a drainage channel (51) inside, and the drainage channel (51) is respectively connected to the receiving chamber (41) and the outside; the control member (6) is arranged on the drainage member (5) and is configured to open the drainage channel (51) after each set time interval; or, The vehicle further comprises a sensor, which is arranged in the accommodating cavity (41); the control component (6) is respectively connected to the sensor and the control component (6), and is configured to open or close the drainage channel (51) according to a liquid level signal sent by the sensor.

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