Filter assembly, air filtering system and vehicle

Abstract

The invention provides a filter assembly, an air filtering system and a vehicle, and belongs to the technical field of vehicles. The filter assembly comprises a filter shell and a ceramic filter element; the filter shell is provided with a containing cavity, an air inlet and an air outlet, and the containing cavity is located between the air inlet and the air outlet and communicated with the air inlet and the air outlet; the ceramic filter element is located in the containing cavity and connected with the filter shell, and the ceramic filter element is made of porous ceramic. With the adoption of the method, when the ceramic filter element is excessively blocked, the ceramic filter element can be directly washed with water simply and conveniently, and compared with a method for directly replacing the filter element in the related technology, the environment is better protected, and the waste of resources is reduced.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of vehicles, in particular to a filter assembly, an air filter system and a vehicle. BACKGROUND

[0002] The air intake system is an important component of a vehicle, which not only guides sufficient air into the engine, but also ensures that the air entering the engine is free of impurities, thereby avoiding abnormal wear and failure of the engine due to air intake cleanliness problems. The filter assembly is a key part of filtering impurities in the air intake system.

[0003] The filter element in the filter assembly is usually made of filter paper or non-woven fabric. As the mileage of the vehicle increases, more and more dust accumulates on the filter element, causing the air intake resistance to increase continuously, which can negatively affect the power economy of the vehicle. The common solution to the problem of filter element blockage at present is to replace the filter element directly.

[0004] However, the replaced filter element will cause environmental pollution and waste of resources. SUMMARY

[0005] The present disclosure provides a filter assembly, an air filter system and a vehicle, which can solve the technical problems existing in the related art, and the technical solutions are as follows:

[0006] In a first aspect, the present disclosure provides a filter assembly, which comprises a filter housing and a ceramic filter element.

[0007] The filter housing has a receiving cavity, an air inlet and an air outlet, the receiving cavity is located between the air inlet and the air outlet, and is in communication with the air inlet and the air outlet.

[0008] The ceramic filter element is located in the receiving cavity and is connected to the filter housing, and the material of the ceramic filter element comprises porous ceramic.

[0009] In a possible implementation, the ceramic filter element comprises a filter element body, a plurality of first blocking blocks and a plurality of second blocking blocks.

[0010] The filter element body has a plurality of filter channels, the filter channels extend along a first direction, the filter channels comprise a plurality of first filter channels and a plurality of second filter channels, the first filter channels and the second filter channels are arranged alternately in a plane perpendicular to the first direction, wherein the first direction is a direction from the air inlet to the air outlet, and the material of the filter element body is porous ceramic.

[0011] The first blocking block is located at one end of the first filter channel close to the air inlet and is used for blocking one end of the first filter channel close to the air inlet, wherein the material of the first blocking block is dense ceramic.

[0012] The second blocking block is located at one end of the second filter channel close to the air outlet and is used for blocking one end of the second filter channel close to the air outlet, wherein the material of the second blocking block is dense ceramic.

[0013] In a possible implementation, the filter housing comprises a containing housing, an air inlet pipeline and an air outlet pipeline;

[0014] The containing housing has the containing cavity, and the containing housing is open at both ends;

[0015] The air inlet pipeline and the air outlet pipeline are connected with the two ends of the containing housing respectively, the air inlet pipeline has the air inlet, and the air outlet pipeline has the air outlet.

[0016] In a possible implementation, the containing housing comprises two end portions and an intermediate portion, the two end portions are located at two ends of the intermediate portion, first ends of the two end portions are connected with the two ends of the intermediate portion respectively, and second ends of the two end portions are connected with the air inlet pipeline and the air outlet pipeline respectively, wherein the end portion has a funnel-shaped structure, a cross-sectional area of the first end of the end portion is the same as a cross-sectional area of the intermediate portion and is greater than a cross-sectional area of the second end of the end portion.

[0017] In a possible implementation, the containing housing comprises a first shell portion and a second shell portion, and the second shell portion is detachably connected with the first shell portion.

[0018] In a second aspect, the present disclosure provides an air filter system, which comprises the filter assembly according to any one of the above.

[0019] In a possible implementation, the air filter system further comprises an air filter front air inlet pipeline, the air filter front air inlet pipeline comprises a first flow guide pipeline, a first hose and a second flow guide pipeline;

[0020] The first flow guide pipeline is used for air inlet;

[0021] The first end of the second flow guide pipeline is connected with the first flow guide pipeline through the first hose, and the second end of the second flow guide pipeline is connected with the air inlet.

[0022] In a possible implementation, the air filter system further comprises a silencer and a second hose;

[0023] The first end of the silencer is connected with the air outlet.

[0024] The first end of the second hose is in communication with the second end of the muffler, and the second end of the second hose is configured to be in communication with an engine of a vehicle.

[0025] In a third aspect, the present disclosure provides a vehicle, which comprises the air filter system according to any one of the preceding aspects.

[0026] In a possible implementation, the vehicle further comprises a pressure sensor and a controller.

[0027] The pressure sensor is connected to the filter assembly and configured to detect the air pressure of the air outlet and send the detected air pressure to the controller.

[0028] The controller is configured to calculate the absolute value of the air pressure difference between the air pressure and the standard atmospheric pressure, and send an alarm signal when the absolute value of the air pressure difference is greater than a preset difference threshold.

[0029] The technical solutions provided by the present disclosure have at least the following beneficial effects:

[0030] The filter assembly provided by the present disclosure uses a ceramic filter element, which is made of porous ceramic and can achieve good filtering effect. In addition, the ceramic filter element can be washed with water, which is simple and convenient. Compared with the method of directly replacing the filter element in the related art, the method is more environmentally friendly and reduces resource waste.

[0031] It should be understood that the foregoing general description and the following detailed description are only exemplary and explanatory, and cannot limit the present disclosure. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative labor.

[0033] Figure 1 is a structural schematic diagram of a filter assembly according to an embodiment of the present disclosure;

[0034] Figure 2 is a structural schematic diagram of a ceramic filter element according to an embodiment of the present disclosure;

[0035] Figure 3 is a structural schematic diagram of a vehicle according to an embodiment of the present disclosure.

[0036] LEGEND

[0037] 1. A filter assembly;

[0038] 11. A filter housing;

[0039] 111. A containing housing; 112. An air inlet pipe; 113. An air outlet pipe;

[0040] 1111. An end portion; 1112. An intermediate portion; 1113. A first housing portion; 1114. A second housing portion;

[0041] 12. A ceramic filter element;

[0042] 121. A filter element body; 122. A first blocking block; 123. A second blocking block;

[0043] 121A. A filter passage;

[0044] 121A1. A first filter passage; 121A2. A second filter passage;

[0045] 13. A sealing ring;

[0046] 2. An air filter pre-air inlet pipe;

[0047] 21. A first flow guide pipe; 22. A first hose; 23. A second flow guide pipe;

[0048] 3. A muffler;

[0049] 4. A second hose;

[0050] 41. A curved interface;

[0051] 10. A pressure sensor. DETAILED DESCRIPTION

[0052] Unless otherwise defined, technical terms or scientific terms used herein shall have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terms "first", "second", "third", and the like used in the specification and claims of the present disclosure do not necessarily denote any ordinal, quantity or importance, but are used to distinguish different components. Similarly, the terms "one", "another", and the like do not denote a quantity of quantity limitation, but denote the presence of at least one. The terms "include", "comprise", and the like mean that the elements or objects before the "include" or "comprise" encompass the elements or objects listed after the "include" or "comprise" and equivalents thereof, and do not exclude other elements or objects. The terms "connect", "connected", and the like do not necessarily mean physical or mechanical connection, but can include electrical connection, whether direct or indirect. The terms "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute positions of the described objects are changed, the relative positional relationships can also be changed accordingly.

[0053] In order to make the purpose, technical solutions and advantages of the present disclosure clearer, the embodiments of the present disclosure will be further described in detail below with reference to the drawings.

[0054] The filter assembly provided by the embodiments of the present disclosure, as shown in Figure 1 The filter assembly 1 comprises a filter housing 11 and a ceramic filter element 12.

[0055] The filter housing 11 has a receiving cavity, an air inlet and an air outlet, the receiving cavity is located between the air inlet and the air outlet, and is in communication with the air inlet and the air outlet.

[0056] The ceramic filter element 12 is located in the receiving cavity and is connected with the filter housing 11, and the material of the ceramic filter element 12 comprises porous ceramic.

[0057] The receiving cavity is used to accommodate the ceramic filter element 12, the air inlet and the air outlet are respectively in communication with two ends of the ceramic filter element 12, air can enter the ceramic filter element 12 in the receiving cavity from the air inlet, the air is filtered by the ceramic filter element 12, and the filtered air flows out to the engine through the air outlet for combustion of the engine.

[0058] In this way, the ceramic filter element 12 is used in the filter assembly 1, the material of the ceramic filter element 12 comprises porous ceramic, which can achieve good filtering effect, and the ceramic filter element 12 can be washed with water, which can be directly washed and cleaned when the ceramic filter element 12 is too clogged, which is simple and convenient, more environmentally friendly compared to the method of directly replacing the filter element in the related art, and reduces the waste of resources.

[0059] In addition, the ceramic filter element 12 can be a porous wall flow structure, and the sound waves rub against the wall when passing through and interfere with each other, thereby playing a certain sound attenuation role.

[0060] In the embodiment of the present disclosure, the filter housing 11 can be made of metal, which has greater strength and is more stable in structure. Of course, the filter housing 11 can also be made of any other reasonable material, and the embodiment of the present disclosure does not make specific limitations in this regard.

[0061] In a possible implementation, referring to Figure 1 The filter assembly 1 can further include a sealing ring 13, and the ceramic filter element 12 can be sealingly connected to the filter housing 11 through the sealing ring 13. Specifically, the sealing ring 13 is located between the outer side wall of the ceramic filter element 12 and the inner side wall of the filter housing 11, and is connected to the outer side wall of the ceramic filter element 12 and the inner side wall of the filter housing 11. In this way, the flow of air into the ceramic filter element 12 can be improved, thereby improving the air filtration effect.

[0062] Of course, the connection structure between the ceramic filter element 12 and the filter housing 11 can also be other sealing connection structures, and the embodiment of the present disclosure does not make limitations in this regard.

[0063] In the embodiment of the present disclosure, the structure of the ceramic filter element 12 can have multiple possibilities, which will be introduced as follows:

[0064] In a possible implementation, the ceramic filter element 12 can include multiple filter layers, and the multiple filter layers are arranged along a first direction, and the plane where each filter layer is located is perpendicular to the first direction, wherein the first direction is a direction from the air inlet to the air outlet.

[0065] In this way, the multiple filter layers can perform multi-layer filtration on the air, thereby improving the filtration effect.

[0066] In another possible implementation, referring to Figure 2 The ceramic filter element 12 includes a filter element body 121, multiple first blocking blocks 122, and multiple second blocking blocks 123.

[0067] The filter element body 121 has multiple filter channels 121A, and the filter channels 121A extend along a first direction. The filter channels 121A include multiple first filter channels 121A1 and multiple second filter channels 121A2, and the first filter channels 121A1 and the second filter channels 121A2 are alternately arranged in a plane perpendicular to the first direction, wherein the first direction is a direction from the air inlet to the air outlet, and the material of the filter element body 121 is porous ceramic.

[0068] The first blocking block 122 is located at one end of the first filter passage 121A1 close to the air inlet, and is used for blocking the one end of the first filter passage 121A1 close to the air inlet, wherein the material of the first blocking block 122 is dense ceramic.

[0069] The second blocking block 123 is located at one end of the second filter passage 121A2 close to the air outlet, and is used for blocking the one end of the second filter passage 121A2 close to the air outlet, wherein the material of the second blocking block 123 is dense ceramic.

[0070] In implementation, each first blocking block 122 and each second blocking block 123 respectively blocks one first filter passage 121A1 and one second filter passage 121A2, and each first filter passage 121A1 is arranged adjacent to at least one second filter passage 121A2, except that the first blocking block 122 blocks the position close to the air inlet, and the second blocking block 123 blocks the position close to the air outlet.

[0071] In this way, air can enter the filter core body 121 through the air inlet, for the second filter passage 121A2 blocked by the second blocking block 123, since the opening close to the air inlet is not blocked, air will enter the second filter passage 121A2 through the opening, and since the second filter passage 121A2 close to the air outlet is blocked by the second blocking block 123, and the adjacent first filter passage 121A1 is not blocked by the second blocking block 123, air will enter the filter core body 121 around the second filter passage 121A2 for filtration, and the filtered air will flow out of the adjacent first filter passage 121A1 which is not blocked by the second blocking block 123, and then flow out of the air outlet, thereby completing the filtration of air.

[0072] In this way, on the one hand, air can be fully filtered through the filter core body 121 to improve the filtration effect, and on the other hand, when there are many impurities in the air, most of the impurities will accumulate at the second blocking block 123, but since the filter core body 121 has a certain length in the first direction, even if the impurities accumulate at the second blocking block 123, the air can still be filtered through the middle part of the filter passage 121A and the part close to the air inlet, avoiding the filter passage 121A being blocked, thereby improving the filtration effect, and there is no need to clean it frequently, and it can be used for a long time after cleaning once.

[0073] The above two ceramic filter cores 12 are only two possible implementation manners, and can also be any reasonable structure, which can be set according to actual conditions and needs, and the embodiments of the present disclosure are not limited.

[0074] In a possible implementation, referring to Figure 1 The filter housing 11 comprises a containing housing 111, an air inlet pipe 112 and an air outlet pipe 113.

[0075] The containing housing 111 has a containing cavity, and both ends of the containing housing 111 are open.

[0076] The air inlet pipe 112 and the air outlet pipe 113 are connected to both ends of the containing housing 111 respectively, the air inlet pipe 112 has an air inlet, and the air outlet pipe 113 has an air outlet.

[0077] The air inlet pipe 112 and the air outlet pipe 113 are provided, which makes it more convenient for the filter assembly 1 to be connected to other devices or apparatuses, and improves the convenience of disassembly.

[0078] In a possible implementation, referring to Figure 3 The containing housing 111 comprises two end portions 1111 and an intermediate portion 1112, the two end portions 1111 are located at both ends of the intermediate portion 1112, the first ends of the two end portions 1111 are connected to both ends of the intermediate portion 1112 respectively, and the second ends of the two end portions 1111 are connected to the air inlet pipe 112 and the air outlet pipe 113 respectively.

[0079] The end portion 1111 has a funnel-shaped structure, the cross-sectional area of the first end of the end portion 1111 is the same as that of the intermediate portion 1112, and is greater than that of the second end of the end portion 1111.

[0080] In this way, the two end portions 1111 of the containing housing 111 are provided in a funnel-shaped structure (or a conical structure, a circular truncated cone structure, etc.), so that the end portion 1111 can better organize the airflow entering it, and the airflow uniformly passes through the end face of the ceramic filter element 12, so that the ceramic filter element 12 can be effectively utilized, thereby reducing the back pressure.

[0081] In a possible implementation, referring to Figure 1 The containing housing 111 comprises a first shell portion 1113 and a second shell portion 1114, and the second shell portion 1114 is detachably connected to the first shell portion 1113.

[0082] Referring to Figure 1 When it is necessary to clean the ceramic filter element 12 in the filter assembly 1, the second shell portion 1114 can be detached from the first shell portion 1113, and then the ceramic filter element 12 can be taken out.

[0083] After the ceramic filter element 12 is cleaned, the cleaned ceramic filter element 12 can be placed in the first shell part 1113, and then the second shell part 1114 is installed on the first shell part 1113 for continuous use.

[0084] From the above, the second shell part 1114 is detachably connected with the first shell part 1113, which is more convenient for disassembly and cleaning of the ceramic filter element 12.

[0085] It can be understood that the air inlet pipeline 112 and the air outlet pipeline 113 can be fixedly connected with the first shell part 1113 (see Figure 1 ), or can be fixedly connected with the second shell part 1114 (not shown), and the embodiments of the present disclosure do not make specific limitations thereon.

[0086] In summary, the present disclosure provides a filter assembly 1, which uses a ceramic filter element 12, the material of the ceramic filter element 12 includes porous ceramic, which can achieve good filtering effect, and the ceramic filter element 12 can be washed with water, and when the ceramic filter element 12 is too clogged, it can be directly washed and cleaned, which is simple and convenient, more environmentally friendly than the method of directly replacing the filter element in the related art, and reduces the waste of resources.

[0087] The embodiments of the present disclosure also provide an air filter system, which includes the filter assembly 1 according to any one of the above.

[0088] In a possible implementation, referring to Figure 3 , the air filter system further includes an air filter front air inlet pipeline 2, and the air filter front air inlet pipeline 2 includes a first flow guide pipeline 21, a first hose 22 and a second flow guide pipeline 23.

[0089] The first flow guide pipeline 21 is used for air inlet, and the first flow guide pipeline 21 can be fixed on a front end frame of a vehicle body, so that when the vehicle is running, air is more easily introduced into the first flow guide pipeline 21.

[0090] The first end of the second flow guide pipeline 23 is connected in communication with the first flow guide pipeline 21 through the first hose 22, and the second end of the second flow guide pipeline 23 is connected in communication with the air inlet.

[0091] Since the filter assembly 1 is often fixed on an engine, and the first flow guide pipeline 21 is fixed on the front end frame of the vehicle body, the first hose 22 can play a role in vibration decoupling in the middle, so as to avoid transmitting vibration to the vehicle body, thereby ensuring a good user experience.

[0092] The material of the first hose 22 is any reasonable hose material, for example, which can be rubber material and the like. Generally, the hose material also has a certain sound insulation effect, thereby reducing the noise of the air filter system and improving the user experience.

[0093] In a possible implementation, referring to Figure 3 The air filter system further comprises a muffler 3 and a second hose 4.

[0094] The first end of the muffler 3 is in communication with the air outlet.

[0095] The first end of the second hose 4 is in communication with the second end of the muffler 3, and the second end of the second hose 4 is used to be in communication with the engine of the vehicle.

[0096] In this way, the noise in the air filter system is eliminated by using the muffler 3, thereby reducing the noise conduction of the air filter system and improving the user experience.

[0097] In addition, the filter assembly 1 and the muffler 3 are separately arranged along the airflow direction, each module has a smaller volume, and appropriate positions can be selected according to the space of the nacelle, the arrangement is more flexible, and the pressure of the system arrangement can be greatly reduced; and the ceramic filter element 12 itself has a porous wall flow structure, and the sound waves rub against the wall and interfere with each other when passing through, which can also play a certain sound elimination role.

[0098] Meanwhile, the second hose 4 can play a role of vibration decoupling between the engine and the air filter system, avoiding the conduction of vibration to the vehicle body, so as to ensure the good user experience.

[0099] The material of the second hose 4 is any reasonable hose material, for example, it can be rubber material and the like, and generally, the hose material also has a certain sound insulation effect, thereby reducing the noise of the air filter system and improving the user experience.

[0100] In a possible implementation, referring to Figure 3 The second hose 4 can have a crank passage interface (crankcase ventilation system interface) 41, which is in communication with the engine, so that the mixed gas (containing fuel vapor and exhaust gas) that enters the crankcase is introduced into the intake system of the vehicle through the crank passage interface 41, so as to enter the engine again, avoiding that the high pressure in the tank causes oil leakage or damage to the sealing element, and the recovered exhaust gas can also re-enter the cylinder for combustion, improving fuel utilization and reducing harmful emissions.

[0101] The embodiments of the present disclosure also provide a vehicle, which comprises the air filter system according to any one of the above.

[0102] In a possible implementation, the vehicle further comprises a pressure sensor 10 and a controller.

[0103] The pressure sensor 10 is connected with the filter assembly 1 and is used to detect the air pressure of the air outlet and send the detected air pressure to the controller.

[0104] The controller is configured to calculate an absolute value of a pressure difference between the air pressure and a standard atmospheric pressure, and send an alarm signal when the absolute value of the pressure difference is greater than a preset difference threshold.

[0105] In implementation, the pressure sensor 10 detects the air pressure of the air outlet in real time and sends the detected air pressure to the controller. Generally, the air pressure of the air outlet is in a negative pressure state.

[0106] After receiving the air pressure sent by the pressure sensor 10, the controller can calculate an absolute value of a pressure difference between the air pressure and a standard atmospheric pressure, and compare the absolute value with a preset difference threshold. If the absolute value is greater than the preset difference threshold, it indicates that the impurities in the filter assembly 1 are seriously blocked at this time. At this time, the controller can send an alarm signal to remind the user to clean the ceramic filter element 12 in the filter assembly 1 to improve the air filtration effect.

[0107] In the embodiments of the present disclosure, the preset difference threshold can be any reasonable value, for example, it can be 2Kpa, 1.5Kpa, etc. The embodiments of the present disclosure do not limit this, and it can be set according to the needs and actual situation of the vehicle.

[0108] Alternatively, the preset difference threshold can include a plurality of preset difference sub-thresholds, each of which represents the degree of impurity blockage of the filter assembly 1. Correspondingly, each preset difference sub-threshold can also correspond to different alarm signals to prompt the user of the current degree of impurity blockage of the filter assembly 1.

[0109] For example, the preset difference threshold can include two preset difference sub-thresholds, which are 1.5Kpa and 2.5Kpa respectively.

[0110] When the controller calculates that the absolute value of the pressure difference between the air pressure of the air outlet and the standard atmospheric pressure is in the range of 1.5Kpa-2.5Kpa, a first alarm information can be sent, which is a pop-up prompt on the display. The prompt information is used to prompt the user to clean the ceramic filter element 12.

[0111] When the controller calculates that the absolute value of the pressure difference between the air pressure of the air outlet and the standard atmospheric pressure is greater than 2.5Kpa, a second alarm information can be sent, which is a constant-on indication light for cleaning the ceramic filter element 12 to prompt the user that the current blockage is serious and needs to be cleaned as soon as possible.

[0112] The preset difference threshold can be set as above, or other reasonable settings according to actual needs, which are not limited by the embodiments of the present disclosure.

[0113] The pressure sensor 10 is arranged behind the filter assembly 1, the pressure difference between the filtered air and the standard atmospheric pressure can be calculated, so as to diagnose the blockage of the filter assembly 1, when the pressure loss reaches a certain threshold range, the instrument can send a prompt information to remind the user to clean. The filter assembly 1 provided in the embodiment of the present disclosure has higher dust holding capacity, and has diagnosis capability, so the user does not need to check and clean the filter assembly 1 during normal maintenance, which can greatly prolong the maintenance cycle of the filter assembly 1 and save expenses.

[0114] In the embodiment of the present disclosure, the pressure sensor 10 can be arranged on the air outlet pipeline 113 of the filter assembly 1, or can be arranged at any position capable of detecting the air pressure of the air outlet of the filter assembly 1, which is not limited in the embodiment of the present disclosure.

[0115] The technical solution provided by the present disclosure has at least the following beneficial effects:

[0116] The present disclosure provides a filter assembly 1, which uses a ceramic filter element 12, the material of the ceramic filter element 12 includes porous ceramic, which can achieve good filtering effect, and the ceramic filter element 12 can be washed with water, when the ceramic filter element 12 is too blocked, it can be directly washed with water, which is simple and convenient, compared with the method of directly replacing the filter element in the related art, it is more environmentally friendly, and reduces the waste of resources.

[0117] The above is only an optional embodiment of the present disclosure, and does not limit the present disclosure, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present disclosure shall be included in the protection scope of the present disclosure.

Claims

1. A filter assembly, characterized in that, The filter assembly (1) includes a filter housing (11) and a ceramic filter element (12); The filter housing (11) has a receiving cavity, an air inlet and an air outlet, the receiving cavity being located between the air inlet and the air outlet and communicating with the air inlet and the air outlet; The ceramic filter element (12) is located in the receiving cavity and connected to the filter housing (11). The material of the ceramic filter element (12) includes porous ceramic.

2. The filter assembly according to claim 1, characterized in that, The ceramic filter element (12) includes a filter element body (121), a plurality of first sealing blocks (122) and a plurality of second sealing blocks (123); The filter element body (121) has multiple filter channels (121A), which extend along a first direction. The filter channels (121A) include multiple first filter channels (121A1) and multiple second filter channels (121A2). The first filter channels (121A1) and the second filter channels (121A2) are arranged alternately on a plane perpendicular to the first direction, wherein the first direction is from the air inlet to the air outlet. The material of the filter element body (121) is porous ceramic. The first sealing block (122) is located at one end of the first filter channel (121A1) near the air inlet, and is used to seal the end of the first filter channel (121A1) near the air inlet. The material of the first sealing block (122) is dense ceramic. The second sealing block (123) is located at one end of the second filter channel (121A2) near the air outlet, and is used to seal the end of the second filter channel (121A2) near the air outlet. The material of the second sealing block (123) is dense ceramic.

3. The filter assembly according to claim 1, characterized in that, The filter housing (11) includes a housing (111), an air inlet pipe (112), and an air outlet pipe (113); The housing (111) has the receiving cavity, and the housing (111) is provided with openings at both ends; The air inlet pipe (112) and the air outlet pipe (113) are respectively connected to both ends of the housing (111). The air inlet pipe (112) has the air inlet and the air outlet pipe (113) has the air outlet.

4. The filter assembly according to claim 3, characterized in that, The housing (111) includes two ends (1111) and a middle part (1112). The two ends (1111) are located at both ends of the middle part (1112). The first ends of the two ends (1111) are respectively connected to the two ends of the middle part (1112), and the second ends of the two ends (1111) are respectively connected to the air inlet pipe (112) and the air outlet pipe (113). The ends (1111) have a funnel-shaped structure. The cross-sectional area of ​​the first end of the end (1111) is the same as the cross-sectional area of ​​the middle part (1112) and is larger than the cross-sectional area of ​​the second end of the end (1111).

5. The filter assembly according to claim 3, characterized in that, The housing (111) includes a first housing portion (1113) and a second housing portion (1114), the second housing portion (1114) being detachably connected to the first housing portion (1113).

6. An air filtration system, characterized in that, The air filter system includes a filter assembly (1) as described in any one of claims 1-5.

7. The air filter system according to claim 6, characterized in that, The air filter system also includes an air filter inlet pipe (2), which includes a first guide pipe (21), a first hose (22), and a second guide pipe (23); The first guide pipe (21) is used for air intake; The first end of the second guide pipe (23) is connected to the first guide pipe (21) through the first hose (22), and the second end of the second guide pipe (23) is connected to the air inlet.

8. The air filter system according to claim 6, characterized in that, The air filter system also includes a muffler (3) and a second hose (4); The first end of the silencer (3) is connected to the air outlet; The first end of the second hose (4) is connected to the second end of the muffler (3), and the second end of the second hose (4) is used to connect to the engine of the vehicle.

9. A vehicle, characterized in that, The vehicle includes an air filter system as described in any one of claims 6-8.

10. The vehicle according to claim 9, characterized in that, The vehicle also includes a pressure sensor (10) and a controller; The pressure sensor (10) is connected to the filter assembly (1) and is used to detect the air pressure at the air outlet and send the detected air pressure to the controller; The controller is used to calculate the absolute value of the pressure difference between the air pressure and the standard atmospheric pressure. When the absolute value of the pressure difference is greater than a preset difference threshold, an alarm signal is issued.

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