CN213831276U - Vehicle-mounted fresh air sterilization and filtration system - Google Patents

Abstract

The utility model discloses an on-vehicle new trend filtration system that disinfects, including setting up at the fan at the car roof and setting up the business turn over wind channel at the door window top, business turn over wind channel is installed in side door frame department, and the door is closed then business turn over wind channel and fan contact switch on, and the fan communicates through business turn over wind channel and car inner space. The automobile air purifier is installed outside an automobile, is suitable for various automobiles, and realizes the exchange and purification of air inside the automobile.

Description

Vehicle-mounted fresh air sterilization and filtration system

Technical Field

The utility model belongs to the technical field of a vehicle air purification device technique and specifically relates to a filtration system disinfects of on-vehicle new trend.

Background

Along with the improvement of people's standard of living, small automobile also begins to popularize, and then people begin to pursue the comfort level of car, so vehicle air conditioner is also indispensable to the car, adjusts temperature and changes in temperature in the car through vehicle air conditioner, has satisfied certain comfort level needs of people. Because the environment in the vehicle is relatively closed, the air quality and the temperature in the vehicle directly influence the health and the comfort of passengers.

Some product manufacturers research and develop the vehicle-mounted air purifier in the prior art, but the vehicle-mounted air purifier is difficult to place or install in the vehicle, and can only filter the air in the vehicle, and can not realize the rapid cooling of the air in the vehicle. In order to avoid the situation that the vehicle is arranged in the vehicle to reduce the space in the vehicle, or the situation that the vehicle is arranged outside the vehicle roof to increase the height of the vehicle or increase the risk of throwing of the vehicle, the prior art also has a part of a purification device arranged at the skylight opening of the vehicle.

But the existing fresh air purification system has the following problems: 1. the vehicles on the market have various styles, and the natural skylight structures are different. The fresh air purification system is arranged at a skylight opening, and different installation structures are required to be arranged aiming at different vehicles. 2. The fresh air purification system needs to be connected with an automobile electric control system, and the electric control system of the automobile supplies power to the fresh air purification system and controls the fresh air purification system. This requires modification of the electrical control system in the vehicle interior. In conclusion, the existing fresh air purification system does not have a universal type, and the existing old vehicle cannot be simply installed and transformed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a vehicle-mounted fresh air sterilization and filtration system is provided, installs in the outside of a car, is applicable to various cars, realizes the inside air exchange of car and purifies.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: on-vehicle new trend filtration system that disinfects, including setting up at the fan of car roof and setting up the business turn over wind channel at the door window top, business turn over wind channel install in side door frame department, the door is closed then business turn over wind channel and fan contact switch on, the fan through business turn over wind channel and car inner space intercommunication.

The utility model discloses further preferred scheme: the fan be provided with the power cord that is used for the power supply, the power cord arrange along the rubber strip of side door frame, and stretch into in the car and be connected the realization power supply with the cigar lighter. The nondestructive installation is realized, the vehicle can be disassembled and assembled at any time according to the requirements of customers, and the original vehicle is not damaged.

The utility model discloses further preferred scheme: the fan comprises a fan shell and a turbine fan system arranged in the fan shell, the fan shell is arranged on the roof of the automobile and close to the door frame, and the fan is provided with an air inlet and an air outlet.

The utility model discloses further preferred scheme: the side door frame top be provided with middle wind channel, middle wind channel communicate fan and air inlet and outlet duct.

The utility model discloses further preferred scheme: the middle air duct is of a long strip-shaped structure, is positioned on one side of the fan and is communicated with the fan.

The utility model discloses further preferred scheme: the upper surface of the air inlet and outlet channel is provided with a first channel, the first channel comprises a plurality of air openings arranged regularly, and the middle air channel is positioned above the air inlet and outlet channel and can be in contact communication with the first channel.

The utility model discloses further preferred scheme: the air inlet and outlet channel is of an arc-shaped strip structure suitable for the side door frame, a second channel is arranged on the bottom surface of the air inlet and outlet channel and comprises a plurality of air ports II which are regularly arranged, and the second channel is communicated with the interior of the automobile.

The utility model discloses further preferred scheme: the both sides downwardly extending of business turn over wind channel and connect through check blend stop, check blend stop keep off in second below of passageway, just check blend stop and passageway between have the interval.

The utility model discloses further preferred scheme: the rear end of the inner side of the fan is provided with an L-shaped notch, and the notch is an air inlet and an air outlet of the fan.

The utility model discloses further preferred scheme: the turbine fan structure comprises a shell, turbine fan blades and a guide support, wherein the turbine fan blades comprise an inner barrel and a plurality of blades distributed on the outer peripheral surface of the inner barrel, the inner barrel is connected with a brushless motor, the brushless motor drives the turbine fan blades to rotate in a working mode, the brushless motor is installed through the guide support, the shell is formed by connecting an upper inverted circular truncated cone-shaped barrel part and a lower inverted circular truncated cone-shaped barrel part, the diameter of the bottom surface of the upper barrel part is larger than that of the top surface of the lower barrel part, and the outer sleeve of the shell is sleeved on the periphery of the turbine fan blades.

The utility model discloses further preferred scheme: the guide support is connected to the shell and provided with a guide ring, and airflow enters the shell from the lower part of the shell and is discharged after passing through the guide ring.

The utility model discloses further preferred scheme: the inner cylinder is of an inverted conical barrel structure, the peripheral surface of the inner cylinder is an inwards concave arc-shaped surface, and the blades are formed by spirally bending sheet-shaped pieces.

The utility model discloses further preferred scheme: the lower cylinder part is matched with the turbine blade structure, and a gap exists between the inner wall surface of the lower cylinder part and the turbine blade.

The utility model discloses further preferred scheme: the lower part of the guide support is of a cone-barrel-shaped structure and is lined in the inner barrel, and the brushless motor is arranged on the guide support and is partially positioned in the inner barrel.

The utility model discloses further preferred scheme: the guide ring is arranged on the periphery of the upper part of the guide support and comprises an inner ring, an outer ring and a guide sheet for connecting the inner ring and the outer ring, the guide sheet divides the guide ring into a plurality of areas, and the guide sheet is obliquely arranged.

The utility model discloses further preferred scheme: the bottom surface of the lower barrel part and the bottom surface of the turbine fan blade form an air inlet, the bottom of the shell extends downwards to form a mounting frame, at least one sterilizing LED lamp is mounted at the mounting frame, and the sterilizing LED lamp irradiates air flow entering the air inlet.

The utility model discloses further preferred scheme: the top surface of the upper barrel part and the top surface of the turbine fan blade form an air outlet, at least one ultraviolet LED lamp is installed on the guide support, and the ultraviolet LED lamp irradiates air flow guided out by the air outlet.

The utility model discloses further preferred scheme: and a vibration damping support is arranged on the periphery of the shell.

The utility model discloses further preferred scheme: eight helical blades are distributed on the peripheral surface of the inner cylinder.

The utility model discloses further preferred scheme: the bottom periphery of shell be equipped with the filter screen section of thick bamboo, the air reachs the shell below after passing through the filter screen section of thick bamboo.

Compared with the prior art, the utility model has the advantages of include fan and business turn over wind channel, at first the utility model discloses a structure of external fan, business turn over wind channel is at car roof installation fan, installs business turn over wind channel on car side door frame. Regardless of whether the automobile is provided with the skylight or not, the skylight structure is particularly arranged. The utility model discloses can adapt to various motorcycle types, need not reequip the structure of vehicle itself, the utility model discloses it installs the product additional to automobile vehicle. The existing fresh air purification system does not have a universal type, and the existing old vehicle cannot be simply installed and reconstructed. The utility model discloses an exchange and the purification of air in the car have the simple installation, do not influence equipment and the structure of former vehicle, be applicable to the characteristics of all vehicles.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the installation structure of the present invention;

FIG. 3 is a schematic view of the first exploded structure of the present invention;

FIG. 4 is a schematic view of the exploded structure of the present invention;

fig. 5 is a schematic structural diagram of a turbofan system inside a fan.

Wherein the reference numerals are specified as follows: 1. a housing; 1a, an upper barrel part; 1b, a lower barrel part; 2. a turbine blade; 21. an inner barrel; 22. a blade; 3. a guide bracket; 4. a brushless motor; 5. a guide ring; 6. a guide piece; 7. an air inlet; 8. sterilizing the LED lamp; 9. an ultraviolet LED lamp; 10. a vibration damping support; 11. a screen cylinder.

31. A fan; 32. an air inlet channel and an air outlet channel; 33. a side door frame; 34. an air inlet and an air outlet; 35. a middle air duct; 36. a first channel; 37. a second channel; 38. and (6) grid barrier strips.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in FIG. 1, the vehicle fresh air sterilization and filtration system comprises a fan 31 arranged on the roof of the vehicle and an air inlet/outlet channel 32 arranged on the top of a vehicle window, wherein the air inlet/outlet channel 32 is arranged at a side door frame 33, when the vehicle door is closed, the air inlet/outlet channel 32 is in contact conduction with the fan 31, and the fan 31 is communicated with the internal space of the vehicle through the air inlet/outlet channel 32.

The fan 31 is provided with a power line (not shown in the drawings of the specification) for supplying power, and the power line is arranged along the rubber strip of the side door frame 33 and extends into the automobile to be connected with the cigarette lighter to supply power. The utility model relates to a fan 31 is supplied power by the power cord of power supply, and the power cord stretches into in the car and can be connected with the cigar lighter and realize the power supply. The utility model discloses do not relate to car electrical system's connection, need not come for its power supply and control new trend clean system by the electrical system of vehicle. The vehicle is right the utility model discloses only supply power through the cigar lighter, the utility model discloses also not relate to car electrical system's repacking.

The above is that the utility model discloses a simple application: the power line is connected with the smoke generator, so that the power supply of the brushless motor in the fan 31 is realized, and the brushless motor works, namely the fan 31 works; when the power cord is disconnected with the cigarette lighter, the fan 31 is powered off, and the fan 31 stops working. The utility model discloses further expand, can set up control circuit board and bluetooth signal transceiver in fan 31, can be connected with external equipment such as cell-phone through bluetooth signal transceiver to further control and drive fan 31 work through external equipment such as cell-phone.

As shown in fig. 2, the blower 31 includes a blower 31 housing and a turbine blower 31 system disposed in the blower 31 housing, the blower 31 housing is disposed on the roof of the automobile and near the door frame 33, and the blower 31 is provided with an air inlet and an air outlet 34. Further, the rear end of the inner side of the fan 31 is provided with an L-shaped notch, and the notch is an air inlet 34 and an air outlet 34 of the fan 31. The utility model discloses a suggestion is used under the vehicle parking state. Generally speaking, under the vehicle starting condition, the inside air conditioner hair-dryer of taking certainly of vehicle and air circulating system can be in and launch the state, consequently generally need not borrow the utility model discloses change the air and purify again. And under the vehicle berths non-starting state, can pass through the utility model discloses realize the inside air cycle of vehicle and purify. Also can pass through in the summer of inflammation the utility model discloses reduce the inside temperature of vehicle.

In addition, during the installation and use of the automobile, it is recommended that the vehicle-mounted fresh air sterilization and filtration systems are respectively installed on two sides of the vehicle, one side of the fresh air sterilization and filtration systems realizes the discharge of air inside the vehicle, and the other side of the fresh air sterilization and filtration systems realizes the introduction of outside air into the vehicle, so that a complete circulation system is formed. Specifically, an on-vehicle fresh air sterilization and filtration system realizes the introduction of air or the output of air, and mainly depends on the assembly direction of a turbine fan 31 system inside the fan 31.

The utility model discloses further disclose concrete structure setting, side door frame 33 top is provided with middle wind channel 35, and middle wind channel 35 has linked together fan 31 and business turn over wind channel 32. The utility model discloses a middle wind channel 35 is as fan 31 and business turn over wind channel 32's interface channel. The utility model discloses a business turn over wind channel 32 is installed on car door frame, that is to say, when car door was opened, business turn over wind channel 32 will follow door synchronous movement. It is therefore necessary to provide the intermediate duct 35 at the top of the side edge of the vehicle (above the door frame) with a contact connection between the intermediate duct 35 and the air inlet/outlet duct 32. That is, when the door is in the closed state, the intermediate duct 35 is connected to the air inlet/outlet duct 32 and the inside is in the open state, and the conveyance between the outside air and the vehicle interior air can be achieved. When the door needs to be opened, the intermediate air duct 35 and the air inlet/outlet duct 32 are not substantially connected, and the door and the air inlet/outlet duct 32 can be separated from the vehicle side.

As shown in fig. 3 and 4, the present invention further discloses that the air channel is an arc-shaped strip structure of the air inlet/outlet channel 32 for adapting to the top of the side door frame 33, and for increasing the installation environment at the top of the side door frame 33. The upper surface of the air inlet and outlet channel 32 is provided with a first channel 36, the first channel 36 comprises a plurality of first air ports which are regularly arranged, and the middle air channel 35 is positioned above the air inlet and outlet channel 32 and can be in contact communication with the first channel 36.

The middle air duct 35 is a long strip-shaped structure and is located on one side of the fan 31 and communicated with the fan 31. The structure of middle wind channel 35 sets up to long bar-shaped structure does the utility model discloses an optimal structure, wind channel 35 is connected with business turn over wind channel 32 in the middle of the bar, and wind channel 35 and business turn over wind channel 32's contact surface has just also increased in the middle of the increase the utility model discloses realize the passageway of circulation of air. Thereby realize the utility model discloses the amount of wind that can discharge is great.

And a second channel 37 is arranged on the bottom surface of the air inlet/outlet channel 32, the second channel 37 comprises a plurality of second air openings which are regularly arranged, and the second channel 37 is communicated with the interior of the automobile. Two sides of the air inlet/outlet channel 32 extend downwards and are connected through a grid barrier strip 38, the grid barrier strip 38 is blocked below the second channel 37, and a space exists between the grid barrier strip 38 and the second channel 37. Through the structure setting of check blend stop 38, the utility model discloses structurally set up a passageway with the inside UNICOM of car. Conduction of the vehicle interior with the blower 31 is ensured.

As shown in fig. 5, the turbofan system includes a housing 1, a turbine blade 2 and a guide bracket 3, where the turbine blade 2 includes an inner cylinder 21 and a plurality of blades 22 distributed on an outer circumferential surface of the inner cylinder 21. Preferably, eight helical blades 22 are distributed on the outer peripheral surface of the inner cylinder 21. The inner cylinder 21 is of an inverted cone-barrel structure, and the peripheral surface of the inner cylinder is an inwards concave arc-shaped surface, so that the airflow entering the turbine fan blade 2 is guided in an arc shape.

The vanes 22 are formed by spirally bending a quadrangular sheet member. The bottom surface of the lower end of the vane 22 is positioned at the bottom of the inner cylinder 21, and an included angle I is formed between the inclined surface of the bottom surface of the lower end of the vane 22 and the bottom surface of the inner cylinder 21, and the included angle I is smaller than 15 degrees. That is, the bottom surfaces of the lower ends of the vanes 22 and the bottom surface of the inner cylinder 21 are located approximately on the same plane. The bottom surface of the lower cylinder part 1b and the bottom surface of the turbine fan blade 2 form an air inlet 7, and the blades 22 are arranged at the air inlet 7 to divide the entering air flow into a plurality of small air flows. The turbine fan blade 2 rotates to drive a plurality of small air flows to rapidly generate vortex.

As shown in fig. 4, the casing 1 is formed by connecting an upper inverted circular truncated cone-shaped cylinder and a lower inverted circular truncated cone-shaped cylinder, the casing 1 is externally sleeved on the periphery of the turbine blade 2, moreover, the lower cylinder 1b of the utility model is adaptive to the structure of the turbine blade 2, and a gap exists between the inner wall surface of the lower cylinder 1b and the turbine blade 2. The air flow moving to the lower cylinder 1b is subjected to centrifugal force and moves toward the inner periphery of the lower cylinder 1b, where it enters the annular cavity of the casing 1 and then returns to the turbine blades 2 again, again circulating in the same manner from the beginning of the blades 22. The utility model discloses the clearance here is relatively less, can make the air current compress rapidly, produces the vortex.

Then, the diameter of the bottom surface of the upper cylinder 1a is larger than that of the top surface of the lower cylinder 1b, that is, the distance between the turbine fan blade 2 and the inner wall of the upper cylinder 1a is larger than that of the lower cylinder 1 b. The utility model designs a gas compression shell 1 of second grade. Airflow enters from the bottom of the whole shell 1, and in the lower cylinder part 1b, the turbine fan blades 2 drive the airflow to rotate to generate vortex, and the compressed airflow generates wind pressure. When the gas is guided into the upper cylinder part 1a by the turbine blade 2, the space between the upper cylinder part 1a and the turbine blade 2 is increased, the vortex gas flow expands outwards on the upper cylinder part 1a, and larger and faster vortex is generated. Since the air flow is accelerated again, the air is blown out in the form of a spiral line by the circulating air flow generated when the turbine blade 2 rotates, so that the air leaves the air outlet with extremely high energy.

The top surfaces of the upper ends of the blades 22 are positioned below the top surface of the cylinder body, and a second included angle is formed between the top surface of the upper end and the top surface of the inner cylinder 21 and is larger than 60 degrees and smaller than 90 degrees. The top surface of the upper cylinder part 1a and the top surface of the turbine blade 2 form an air outlet. The top surface structure of the upper end of the blade 22 is arranged, so that the space at the air outlet is not separated by the blade 22, and the air flow has larger space to pass through the air outlet. And the air current in the shell 1 will converge at the air outlet to form an integral air current.

The utility model discloses a guide bracket 3 links up on shell 1 and is provided with guide ring 5, and the air current is discharged in getting into shell 1 and through guide ring 5 back by shell 1 below. I.e. the air flow coming out of the outlet will be acted upon again by the guide ring 5. The guide ring 5 is arranged on the periphery of the upper part of the guide support 3, the guide ring 5 comprises an inner ring, an outer ring and a guide sheet 6 for connecting the inner ring and the outer ring, the guide sheet 6 divides the guide ring 5 into a plurality of areas, and the guide sheet 6 is obliquely arranged. The utility model discloses an angle of guide vane 6 is the circulation direction that conforms to vortex air current and reachs air outlet department, and guide vane 6 makes the air current can continue to derive along its direction of rotation outwards, keeps the mobile state of its vortex, makes the utility model discloses the high velocity of flow has.

The inner cylinder 21 is connected with the brushless motor 4, the brushless motor 4 works to drive the turbine fan blade 2 to rotate, and the brushless motor 4 is installed through the guide support 3. The utility model discloses carry out following optimal design to guide bracket 3 structure, guide bracket 3 lower part is awl tubby column structure and inside lining in inner tube 21, and brushless motor 4 is installed in guide bracket 3 and the part is located inner tube 21. The contact surface between the guide support 3 and the turbine fan blade 2 is large, the matching degree is high, and the stability is high after installation. And through the design of embedded guide bracket 3, the utility model discloses further reasonable compact couples together each part cooperation. Effectively reduce the utility model discloses a structure volume.

Furthermore, the utility model discloses still have the purification performance that disinfects, 1 bottom downwardly extending of shell constitutes the mounting bracket, and mounting bracket department installs at least one LED lamp 8 that disinfects, and LED lamp 8 that disinfects shines the air current that lets in air intake 7. At least one ultraviolet LED lamp 9 is installed on the guide support 3, and the ultraviolet LED lamp 9 irradiates airflow guided out by the air outlet. Through 8, the ultraviolet LED lamp 9 of sterilizing LED lamp to getting into the utility model discloses an air current shines the disinfection and purifies, thereby it is right to realize the utility model discloses the place space environment carries out air purification.

The outer periphery of the housing 1 is provided with a vibration damping mount 10. The utility model discloses a damping support installs, reduces brushless motor 4, 2 work of turbine fan blade and the noise that arouses.

The bottom periphery cover of shell 1 is equipped with a filter screen section of thick bamboo 11, the utility model discloses when the design, the design air is filtered the back by the first layer of a filter screen section of thick bamboo 11 periphery through a filter screen section of thick bamboo 11 and enters into inside the filter screen section of thick bamboo, then reachs shell 1 below and can pass through the inlet port. The utility model discloses a filter screen section of thick bamboo 11 structure at first filters impurity to inspiratory air, for example dust.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above is to the utility model discloses going on the detailed introduction, having used specific individual example to right in this paper the utility model discloses a principle and implementation mode have been elucidated, and the explanation of above embodiment only is used for helping understanding the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (9)

1. Vehicle-mounted fresh air sterilization and filtration system is characterized by comprising a fan (31) arranged on the roof of an automobile and an air inlet and outlet channel (32) arranged at the top of an automobile window, wherein the air inlet and outlet channel (32) is arranged at a side door frame (33), the automobile door is closed, the air inlet and outlet channel (32) is in contact conduction with the fan (31), and the fan (31) is communicated with the inner space of the automobile through the air inlet and outlet channel (32).

2. The vehicle-mounted fresh air sterilization and filtration system according to claim 1, wherein the fan (31) is provided with a power line for supplying power, and the power line is arranged along the rubber strip of the side door frame (33) and extends into the automobile to be connected with a cigarette lighter to realize power supply.

3. The vehicle fresh air sterilizing and filtering system according to claim 1, wherein the blower (31) comprises a blower (31) housing and a turbine blower (31) system arranged in the blower (31) housing, the blower (31) housing is arranged on the roof of the automobile and close to the side door frame (33), and the blower (31) is provided with an air inlet and an air outlet (34).

4. The vehicle fresh air sterilizing and filtering system according to claim 1, wherein an intermediate air duct (35) is arranged above the side door frame (33), and the intermediate air duct (35) is communicated with the fan (31) and the air inlet/outlet duct (32).

5. The vehicle fresh air sterilizing and filtering system according to claim 4, wherein the intermediate air duct (35) is of a strip-shaped structure and is located at one side of the fan (31) and communicated with the fan (31).

6. The vehicle-mounted fresh air sterilizing and filtering system according to claim 4, wherein a first channel (36) is arranged on the upper surface of the air inlet/outlet channel (32), the first channel (36) comprises a plurality of first air openings which are regularly arranged, and the middle air duct (35) is positioned above the air inlet/outlet channel (32) and is in contact communication with the first channel (36).

7. The vehicle-mounted fresh air sterilizing and filtering system according to claim 1, wherein the air inlet/outlet duct (32) is of an arc-shaped strip structure suitable for a side door frame (33), a second channel (37) is arranged on the bottom surface of the air inlet/outlet duct (32), the second channel (37) comprises a plurality of second air openings which are regularly arranged, and the second channel (37) is communicated with the interior of the vehicle.

8. The vehicle fresh air sterilizing and filtering system according to claim 7, wherein two sides of the air inlet/outlet duct (32) extend downward and are connected by a grid barrier strip (38), the grid barrier strip (38) is blocked below the second channel (37), and a space exists between the grid barrier strip (38) and the second channel (37).

9. The vehicle fresh air sterilizing and filtering system according to claim 1, wherein the rear end of the inner side of the fan (31) is provided with an L-shaped notch, and the notch is an air inlet/outlet (34) of the fan (31).

Images