Air conditioner air inlet structure, vehicle air conditioner and vehicle

Abstract

The utility model discloses an air conditioner air inlet structure, a vehicle air conditioner and a vehicle, the air conditioner air inlet structure comprises a shell, an air inlet duct, a first inner circulation air inlet and a first outer circulation air inlet, and the first inner circulation air inlet and the first outer circulation air inlet are communicated with the air inlet duct; the blocking air door is movably connected into the shell, and the blocking air door has a first blocking state; the filter is arranged in the shell, and the air inlet side of the filter communicates with the air inlet duct; when the blocking air door is in the first blocking state, the blocking air door divides the air inlet duct into two sub-ducts, one sub-duct is communicated with the first inner circulation air inlet, the other sub-duct is communicated with the first outer circulation air inlet, and the two sub-ducts are both communicated with the air inlet side of the filter. According to the air conditioner air inlet structure provided by the embodiment of the utility model, air entering from the first outer circulation air inlet can be prevented from flowing to the first inner circulation air inlet, so that the risk of air flowing between the first outer circulation air inlet and the first inner circulation air inlet is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle technical field especially relates to a kind of air conditioner air inlet structure, vehicle air conditioner and vehicle. BACKGROUND

[0002] At present, the circulation mode of double-layer flow automobile air conditioner is divided into full-external circulation mode, full-internal circulation mode and mixed air mode. In full-external circulation mode, the air conditioner main machine is introduced into external fresh air, and in full-internal circulation mode, the air conditioner main machine is introduced into internal air.

[0003] The double-layer flow automobile air conditioner includes an internal circulation air door and an external circulation air door. However, in mixed air mode, the internal circulation air door and the external circulation air door are fully opened, at which time the external circulation air inlet and the internal circulation air inlet are completely connected, and wind channeling is easily formed. SUMMARY

[0004] The utility model provides a kind of air conditioner air inlet structure, vehicle air conditioner and vehicle, to at least solve the technical problem that automobile air conditioner in prior art is prone to wind channeling in mixed air mode.

[0005] In the first aspect of the utility model implementation, an air conditioner air inlet structure is first provided, comprising:

[0006] A housing has an air inlet duct, a first internal circulation air inlet and a first external circulation air inlet connected to the air inlet duct;

[0007] A blocking air door is movably connected in the housing, and the blocking air door has a first blocking state and a second blocking state;

[0008] A filter is arranged in the housing, and the air inlet side of the filter is connected to the air inlet duct;

[0009] When the blocking air door is in the first blocking state and the second blocking state, the blocking air door divides the air inlet duct into two sub-ducts, one of which is connected to the first internal circulation air inlet, and the other is connected to the first external circulation air inlet. When the blocking air door is in the first blocking state, both sub-ducts are connected to the air inlet side of the filter, and when the blocking air door is in the second blocking state, only one of the sub-ducts is connected to the air inlet side of the filter.

[0010] Optionally, the blocking air door is rotatably connected in the housing, and the blocking air door is used to open or close the first internal circulation air inlet, and the blocking air door has opposite first and second ends;

[0011] When the blocking damper is in the first blocking state, the first inner circulation air inlet is at least partially open, and the first end and the second end of the blocking damper are close to or abut against the top of the shell and the filter air inlet side, respectively.

[0012] The shell includes a shell side between the filter and the first outer circulation air inlet, and when the blocking damper is in the second blocking state, the first inner circulation air inlet is at least partially open, and the first end and the second end of the blocking damper are close to or abut against the top of the shell and the shell side, respectively.

[0013] Optionally, the air conditioner air inlet structure further includes a first limiting plate located in the shell and close to the first outer circulation air inlet, and when the blocking damper is in the second blocking state, the first limiting plate abuts against the second end of the blocking damper, and the first inner circulation air inlet is fully open.

[0014] Optionally, the air conditioner air inlet structure further includes a second limiting plate located in the shell and close to the first inner circulation air inlet, and the blocking damper further has a closed state, and when the blocking damper is in the closed state, the second end of the blocking damper abuts against the second limiting plate, and the first inner circulation air inlet is closed.

[0015] Optionally, the air conditioner air inlet structure further includes a plate-shaped damper rotatably connected in the shell, and the plate-shaped damper is used to open or close the first outer circulation air inlet.

[0016] Optionally, the air conditioner air inlet structure further includes two third limiting plates located in the shell and close to the first outer circulation air inlet, and the third limiting plates are located between the first outer circulation air inlet and the blocking damper, and when the plate-shaped damper is in the closed state, the plate-shaped damper abuts against two third limiting plates at both ends of the plate-shaped damper in the width direction of the plate-shaped damper.

[0017] Optionally, when the blocking damper is in the first blocking state and the first end of the blocking damper is close to the top of the shell, the distance between the first end of the blocking damper and the top of the shell in the second direction is greater than zero and less than or equal to 5 millimeters.

[0018] When the blocking damper is in the first blocking state and the second end of the blocking damper is close to the filter air inlet side, the distance between the second end of the blocking damper and the filter air inlet side in the second direction is greater than zero and less than or equal to 5 millimeters.

[0019] Optionally, the shell further comprises a second inner circulation air inlet located at at least one side of the first inner circulation air inlet along the first direction and a second outer circulation air inlet located at at least one side of the first outer circulation air inlet along the first direction.

[0020] The shell is further rotationally connected with a side wind door, the side wind door can be repeatedly rotated between a first position and a second position, when the side wind door is in the first position, the second inner circulation air inlet is closed and the second outer circulation air inlet is opened, when the side wind door is in the second position, the second inner circulation air inlet is opened and the second outer circulation air inlet is closed.

[0021] Optionally, the number of the side wind doors is two, and the two side wind doors are respectively located at two sides of the blocking wind door along the first direction.

[0022] The bottom of the side wind door is rotationally connected in the shell through a third rotation shaft, and the shape of the cross section of the side wind door along the axial direction of the third rotation shaft is a sector.

[0023] In the second aspect of the embodiment of the present application, a vehicle air conditioner is also provided, which comprises the air conditioner air inlet structure described in any one of the above.

[0024] In the third aspect of the embodiment of the present application, a vehicle is also provided, which comprises the vehicle air conditioner described above.

[0025] In the embodiment of the present application, when the circulation mode of the air conditioner air inlet structure is the mixed air mode, the first outer circulation air inlet and the first inner circulation air inlet are at least partially opened, and the blocking wind door is in the first blocking state, since the blocking wind door divides the air inlet channel into two sub-air ducts which are respectively communicated with the first outer circulation air inlet and the first inner circulation air inlet, and both of the two sub-air ducts are communicated with the air inlet side of the filter, therefore, the air entering from the first outer circulation air inlet will not directly enter the first inner circulation air inlet before entering the filter, and the air entering from the first inner circulation air inlet will not cross to the first outer circulation air inlet before entering the filter, so that the air entering from the first outer circulation air inlet can be prevented from crossing to the first inner circulation air inlet, and the risk of air cross between the first outer circulation air inlet and the first inner circulation air inlet is avoided, which is beneficial to improve the comfort of the driver and the passenger. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced.

[0027] Figure 1 The structure diagram of the air conditioner air inlet structure provided in the embodiment of the present application Figure 1 ;

[0028] Figure 2 The sectional structure schematic diagram of the air conditioner air inlet structure when the blocking air door is in a blocking state is provided for the embodiment of the utility model Figure 1 ;

[0029] Figure 3 The explosion structure schematic diagram of the air conditioner air inlet structure is provided for the embodiment of the utility model

[0030] Figure 4 The structure schematic of the air conditioner air inlet structure is provided for the embodiment of the utility model Figure 2 ;

[0031] Figure 5 The structure schematic of the air conditioner air inlet structure is provided for the embodiment of the utility model Figure 3 .

[0032] Reference signs:

[0033] 1 - shell, 101 - first inner circulation air inlet, 102 - first outer circulation air inlet, 103 - left shell, 104 - first middle shell, 105 - second middle shell, 106 - right shell, 107 - second inner circulation air inlet, 108 - shell side, 109 - sub air duct, 2 - blocking air door, 201 - first end, 202 - second end, 3 - first rotating shaft, 4 - filter, 5 - side air door, 6 - second limiting plate, 7 - first limiting plate, 8 - plate-shaped air door, 9 - second rotating shaft, 10 - third limiting plate, 11 - filter cover plate, 12 - first driving part, 13 - second driving part, 14 - track disc DETAILED DESCRIPTION

[0034] The technical scheme in the embodiments of the utility model will be described below with reference to the drawings.

[0035] The embodiments of the utility model are only used for explaining the utility model, and are not used for limiting the scope of the utility model. In the following paragraphs, the utility model is described in more specific ways with reference to the drawings. It should be noted that the drawings are all very simplified and use non-precise proportions, and are only used for the purpose of conveniently and clearly assisting the description of the embodiments of the utility model.

[0036] At present, in the mixed air mode, the inner circulation air door and the outer circulation air door are all opened, at this time, the outer circulation air inlet and the inner circulation air inlet are completely communicated, and wind channeling is easy to form. In order to solve the above problems, the utility model embodiments provide an air conditioner air inlet structure, a vehicle air conditioner and a vehicle, and the air conditioner air inlet structure, the vehicle air conditioner and the vehicle mentioned above will be described in detail.

[0037] In the first aspect, with reference to Figures 1 to 3The air conditioner air inlet structure provided by the embodiment of the utility model, including: shell 1 has air inlet air duct, with first inner circulation air inlet 101 and first outer circulation air inlet 102 that air inlet air duct communicates, barrier damper 2, the movable connection is in shell 1, and barrier damper has first barrier state and second barrier state, filter 4 is set up in shell 1, and the air inlet side of filter 4 is linked with air inlet air duct, wherein, barrier damper 2 is at Figure 1 And Figure 2 The first barrier state shown, barrier damper 2 divides air inlet air duct into two sub-air ducts 109, one of sub-air ducts 109 with first inner circulation air inlet 101 is linked with, another sub-air duct 109 with first outer circulation air inlet 102 is linked with, and two sub-air ducts 109 are all communicated with the air inlet side of filter 4, barrier damper 2 is at second barrier state, barrier damper 2 divides air inlet air duct into two sub-air ducts 109, one of sub-air ducts 109 with first inner circulation air inlet 101 is linked with, another sub-air duct 109 with first outer circulation air inlet 102 is linked with, and only one of sub-air ducts 109 is communicated with the air inlet side of filter 4.

[0038] Specifically, the air conditioner air inlet structure can be applied to double-layer flow vehicle air conditioner. The circulation mode of the air conditioner air inlet structure is divided into full outer circulation mode, full inner circulation mode and mixed air mode. In full outer circulation mode, all air is in through first outer circulation air inlet 102. In full inner circulation mode, all air is in through first inner circulation air inlet 101. In mixed air mode, air is in through both first inner circulation air inlet 101 and first outer circulation air inlet 102.

[0039] Shell 1 includes left shell 103, first middle shell 104, second middle shell 105 and right shell 106 connected in sequence, first inner circulation air inlet 101 is set on first middle shell 104 and second middle shell 105, and first outer circulation air inlet 102 is set on first middle shell 104 and second middle shell 105. Filter 4 can filter the incoming airflow to improve the air quality. Filter 4 is also connected with filter cover plate 11.

[0040] Referring to Figure 2, the blocking damper 2 is in the first blocking state, the blocking damper 2 divides the air inlet duct into two sub-air ducts 109, one of the two sub-air ducts 109 is in communication with the first inner circulation air inlet 101, and the other sub-air duct 109 is in communication with the first outer circulation air inlet 102, both of the two sub-air ducts 109 are in communication with the air inlet side of the filter 4, at this time, if the first outer circulation air inlet 102 is at least partially opened, and the first inner circulation air inlet 101 is at least partially opened, the air entering from the first outer circulation air inlet 102 enters the filter 4 through the sub-air duct 109, and the air entering from the first inner circulation air inlet 101 enters the filter 4 through the other sub-air duct 109. When the blocking damper 2 is in the second blocking state, the sub-air duct 109 in communication with the first inner circulation air inlet 101 is in communication with the air inlet side of the filter 4, and the other sub-air duct 109 is not in communication with the air inlet side of the filter 4, at this time, if the first outer circulation air inlet 102 is at least partially opened, and the first inner circulation air inlet 101 is at least partially opened, only the air entering from the first inner circulation air inlet 101 enters the filter 4, thereby realizing the full inner circulation mode.

[0041] In the embodiment of the utility model, when the circulation mode of the air conditioning air inlet structure is the mixed air mode, the first outer circulation air inlet 102 is at least partially opened, the first inner circulation air inlet 101 is at least partially opened, and the blocking damper 2 is in the first blocking state, because the blocking damper 2 divides the air inlet passage into two sub-air ducts 109 in communication with the first outer circulation air inlet 102 and the first inner circulation air inlet 101 respectively, and both of the two sub-air ducts 109 are in communication with the air inlet side of the filter, therefore, the air entering from the first outer circulation air inlet 102 will not directly enter the first inner circulation air inlet 101 before entering the filter 4, and the air entering from the first inner circulation air inlet 101 will not cross to the first outer circulation air inlet 102 before entering the filter 4, thereby preventing the air entering from the first outer circulation air inlet 102 from crossing to the first inner circulation air inlet 101, and further avoiding the risk of air cross between the first outer circulation air inlet 102 and the first inner circulation air inlet 101, which is beneficial to improving the comfort of the driver and the passenger. In addition, under the mixed air mode, the temperature can be quickly adjusted, fogging can be prevented, and the air quality in the vehicle can be improved.

[0042] In a preferred embodiment of the utility model, refer to Figure 2The blocking air door 2 is rotationally connected in the shell 1, and is used for opening or closing the first inner circulation air inlet 101. The blocking air door 2 has opposite first and second end portions 201 and 202. When the blocking air door 2 is in a first blocking state, the first inner circulation air inlet 101 is at least partially opened, and the first end portion 201 of the blocking air door 2 is close to or abuts against the top of the shell 1 and the air inlet side of the filter 4, respectively. The shell 1 comprises a shell side portion 108 between the filter 4 and the first outer circulation air inlet 102. When the blocking air door 2 is in a second blocking state, the first inner circulation air inlet 101 is at least partially opened, and the first end portion 201 of the blocking air door 2 is close to or abuts against the top of the shell 1 and the shell side portion 108, respectively.

[0043] Preferably, the blocking air door 2 is a plate air door. The blocking air door 2 is rotationally connected in the shell 1 through the first rotation shaft 3, so that the blocking air door 2 can switch different states. The first rotation shaft 3 is located between the first and second end portions 201 and 202 of the blocking air door 2 and close to the first end portion 201 of the blocking air door 2. When the blocking air door 2 is in the first blocking state, the first inner circulation air inlet 101 is at least partially opened, and the first end portion 201 of the blocking air door 2 is close to or abuts against the top of the shell 1 and the air inlet side of the filter 4, respectively. Figure 5 When the blocking air door 2 is in the second blocking state, the first inner circulation air inlet 101 is preferably completely opened. When the blocking air door 2 is in the closed state, the first inner circulation air inlet 101 is closed. Figure 4 In the embodiment, the blocking air door 2 also functions to open or close the first inner circulation air inlet 101, and no other air door needs to be additionally arranged to open or close the first inner circulation air inlet 101, so that the overall structure can be simplified.

[0044] In a preferred embodiment of the utility model, referring to Figure 2 and Figure 5 The air conditioner air inlet structure further comprises a first limiting plate 7 located in the shell 1 and close to the first outer circulation air inlet 102. When the blocking air door 2 is in the second blocking state, the first limiting plate 7 abuts against the second end portion 202 of the blocking air door 2, and the first inner circulation air inlet 101 is completely opened. In the full inner circulation mode, the first inner circulation air inlet 101 is at least partially opened, and the first outer circulation air inlet 102 is closed. In the full inner circulation mode, and when the blocking air door 2 is in the completely opened state, the air inlet amount of the first inner circulation air inlet 101 can be increased. When the blocking air door 2 is in the second blocking state, the first limiting plate 7 abuts against the second end portion 202 of the blocking air door 2, so that the second end portion 202 of the blocking air door 2 is limited and sealed.

[0045] In a preferred embodiment of the utility model, referring to Figure 2 and Figure 4, the air conditioner air inlet structure further comprises a second limiting plate 6 located in the shell 1 and close to the first inner circulation air inlet 101, the blocking damper 2 has a closed state, when the blocking damper 2 is in the closed state, the second end 202 of the blocking damper 2 abuts against the second limiting plate 6, and the first inner circulation air inlet 101 is closed. In the full-outer circulation mode, the blocking damper 2 is in the closed state, and the first outer circulation air inlet 102 is at least partially opened. When the blocking damper 2 is in the closed state, the second end 202 of the blocking damper 2 abuts against the second limiting plate 6, so as to limit and seal the second end 202 of the blocking damper 2, and air entering from the first inner circulation air inlet 101 in the full-outer circulation mode is avoided.

[0046] In one preferred embodiment of the present application, referring to Figure 2 and Figure 3 , the air conditioner air inlet structure further comprises a plate-shaped damper 8 rotatably connected in the shell 1, and the plate-shaped damper 8 is used for opening or closing the first outer circulation air inlet 102. The plate-shaped damper 8 can be rotatably connected in the shell 1 through a second rotating shaft 9, and the second rotating shaft 9 is located at both ends of the plate-shaped damper 8 along the width direction of the plate-shaped damper 8. The length direction of the plate-shaped damper 8 is parallel to the axial direction of the second rotating shaft 9, and the width direction of the plate-shaped damper 8 is parallel to the length direction of the plate-shaped damper 8. The plate-shaped damper 8 has a fully opened state and a closed state. When the plate-shaped damper 8 is in the fully opened state, the first outer circulation air inlet 102 is fully opened. When the plate-shaped damper 8 is in the closed state, the first outer circulation air inlet 102 is closed. The second rotating shaft 9 is connected with a first driving member 12, the first driving member 12 is used for driving the second rotating shaft 9 to rotate, and the first driving member 12 can be a motor. The second rotating shaft 9 can be arranged at the middle part of the plate-shaped damper 8 along the width direction thereof. When the plate-shaped damper 8 is located Figure 2 at the position shown in the figure, the first outer circulation air inlet 102 is partially opened.

[0047] In one preferred embodiment of the present application, referring to Figure 2 , the air conditioner air inlet structure further comprises two third limiting plates 10 located in the shell 1 and close to the first outer circulation air inlet 102, the third limiting plate 10 is located between the first outer circulation air inlet 102 and the blocking damper 2, and when the plate-shaped damper 8 is in the closed state, both ends of the plate-shaped damper 8 along the width direction of the plate-shaped damper 8 abut against the two third limiting plates 10, respectively. Through the arrangement of the third limiting plate 10, the limiting and sealing of the plate-shaped damper 8 can be realized, so that the plate-shaped damper 8 can reliably close the first outer circulation air inlet 102.

[0048] In one preferred embodiment of the present application, referring to Figure 2, when the blocking damper 2 is in the first blocking state and the first end portion 201 of the blocking damper 2 is close to the top of the shell 1, the distance between the first end portion 201 of the blocking damper 2 and the top of the shell 1 in the second direction is greater than zero and less than or equal to 5 mm; when the blocking damper 2 is in the first blocking state and the second end portion 202 of the blocking damper 2 is close to the air inlet side of the filter 4, the distance between the second end portion 202 of the blocking damper 2 and the air inlet side of the filter 4 in the second direction is greater than zero and less than or equal to 5 mm. The second direction can be the height direction of the air inlet structure of the air conditioner, and the second direction can refer to the direction shown by the B arrow in FIG. 1. Figure 2 When the distance between the first end portion 201 of the blocking damper 2 and the top of the shell 1 and the distance between the second end portion 202 of the blocking damper 2 and the air inlet side of the filter 4 are within the above range, the anti-air leakage effect can be ensured, and the rotation of the blocking damper 2 is facilitated.

[0049] In an preferred embodiment of the present application, the shell 1 further comprises a second inner circulation air inlet 107 located on at least one side of the first inner circulation air inlet 101 in the first direction and a second outer circulation air inlet located on at least one side of the first outer circulation air inlet 102 in the first direction; the shell 1 is further rotationally connected with a side damper 5, the side damper 5 can be repeatedly rotated between a first position and a second position, when the side damper 5 is in the first position, the second inner circulation air inlet 107 is closed and the second outer circulation air inlet is opened, when the side damper 5 is in the second position, the second inner circulation air inlet 107 is opened and the second outer circulation air inlet is closed.

[0050] Specifically, the first direction can be the length direction of the air inlet structure of the air conditioner, and the first direction can refer to the direction shown by the A arrow in FIG. 1. Figure 1 The number of the second inner circulation air inlets 107 and the number of the second outer circulation air inlets are preferably two, two second inner circulation air inlets 107 are respectively arranged on the left shell 103 and the right shell 106, and two second outer circulation air inlets are respectively arranged on the left shell 103 and the right shell 106.

[0051] In the embodiment of the present application, through the arrangement of the second inner circulation air inlets 107 and the second outer circulation air inlets, air can also be introduced through the second inner circulation air inlets 107 in the full inner circulation mode, and air can also be introduced through the second outer circulation air inlets in the full outer circulation mode, so as to improve the air inlet amount in the full inner circulation mode and the full outer circulation mode. Through the arrangement of the side damper 5, flexible control of the opening and closing of the second inner circulation air inlets 107 and the second outer circulation air inlets can be realized.

[0052] In an optimal embodiment of the utility model, the number of side air doors 5 is two, and the two side air doors 5 are respectively located on the two sides of the blocking air door 2 along the first direction; the bottom of the side air door 5 is rotationally connected in the shell 1 through a third rotating shaft, and the cross-sectional shape of the side air door 5 along the axial direction of the third rotating shaft is a fan shape. The two side air doors 5 are connected through a third rotating shaft. The third rotating shaft is also connected with a second driving member 13, and the second driving member 13 is used to drive the third rotating shaft to rotate, and the second driving member 13 can be a motor. The second driving member 13 can be connected with the third rotating shaft through a track disc 14 and a connecting rod assembly.

[0053] In the second aspect, the utility model provides a kind of vehicle air conditioner, and vehicle air conditioner includes the air conditioning air inlet structure of any one of the first aspect provided. Because vehicle air conditioner includes above-mentioned air conditioning air inlet structure, thus also possesses the beneficial effects of above-mentioned air conditioning air inlet structure, here no longer repeat.

[0054] In the third aspect, the utility model further provides a kind of vehicle, including the vehicle air conditioner of the second aspect provided above.

[0055] It should be noted that in this document, relationship terms such as first and second and the like are used only to differentiate one entity or action from another, and do not necessarily require or imply that these entities or actions are in any such actual relationship or order. Moreover, the terms "comprises", "comprising" or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device. Without more limitations, the element defined by the statement "comprises a" does not exclude the presence of additional identical elements in the process, method, article or device including the element.

[0056] It should be noted that when a component is referred to as "fixed to" another component, it can be directly on the other component or there can be a middle component. When a component is referred to as "connected to" another component, it can be directly connected to the other component or there can be a middle component. When a component is referred to as "disposed on" another component, it can be directly disposed on the other component or there can be a middle component. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0057] The various embodiments in the specification are described in a relevant manner, and the same or similar parts between the various embodiments can be referred to each other, and each embodiment focuses on the difference from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the part of the method embodiment.

[0058] The above only describes the preferred embodiments of the present application, and is not intended to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application is included in the protection scope of the present application.

[0059] The air conditioner air inlet structure, vehicle air conditioner and vehicle provided by the present application are described in detail above, and the principle and implementation mode of the present application are described by applying specific examples in this paper. The above embodiment is only used to help understand the structure of the present application and its core idea; at the same time, for the general technical personnel in the field, according to the idea of the present application, the specific implementation mode and application range will be changed, and the above is not understood as the limitation of the present application.

Claims

1. An air conditioning air inlet structure, characterized by comprising: The air conditioner air inlet structure comprises: a shell having an air inlet channel, a first inner circulation air inlet and a first outer circulation air inlet which are in communication with the air inlet channel; a blocking air door movably connected in the shell, the blocking air door having a first blocking state and a second blocking state; a filter arranged in the shell, and an air inlet side of the filter being in communication with the air inlet channel; wherein the blocking air door separates the air inlet channel into two sub-channels when the blocking air door is in the first blocking state and the second blocking state, one of the sub-channels being in communication with the first inner circulation air inlet and the other sub-channel being in communication with the first outer circulation air inlet, the two sub-channels being in communication with the air inlet side of the filter when the blocking air door is in the first blocking state, and only one of the sub-channels being in communication with the air inlet side of the filter when the blocking air door is in the second blocking state.

2. The air conditioning intake structure according to claim 1, wherein The blocking air door is rotatably connected in the shell, and the blocking air door is used to open or close the first inner circulation air inlet, the blocking air door having opposite first and second end portions; the first inner circulation air inlet being at least partially open when the blocking air door is in the first blocking state, the first and second end portions of the blocking air door being close to or abutting against a top of the shell and an air inlet side of the filter, respectively; the shell comprising a shell side between the filter and the first outer circulation air inlet, the first inner circulation air inlet being at least partially open when the blocking air door is in the second blocking state, the first and second end portions of the blocking air door being close to or abutting against the top of the shell and the shell side, respectively.

3. The air conditioning intake structure according to claim 2, wherein The air conditioner air inlet structure further comprises a first limiting plate in the shell and close to the first outer circulation air inlet, the first limiting plate abutting against the second end portion of the blocking air door when the blocking air door is in the second blocking state, and the first inner circulation air inlet being completely open.

4. The air conditioning intake structure according to claim 2, wherein The air conditioner air inlet structure further comprises a second limiting plate in the shell and close to the first inner circulation air inlet, the blocking air door further having a closed state, the second end portion of the blocking air door abutting against the second limiting plate when the blocking air door is in the closed state, and the first inner circulation air inlet being closed.

5. The air conditioning intake structure according to any one of claims 1 to 4, characterized by The air conditioner air inlet structure further comprises a plate-shaped air door rotatably connected in the shell, the plate-shaped air door being used to open or close the first outer circulation air inlet.

6. The air conditioning air inlet structure according to claim 5, wherein The air conditioner air inlet structure further comprises two third limiting plates in the shell and close to the first outer circulation air inlet, the third limiting plates being between the first outer circulation air inlet and the blocking air door, and the plate-shaped air door abutting against the two third limiting plates at two ends of the plate-shaped air door along a width direction of the plate-shaped air door when the plate-shaped air door is in the closed state.

7. The air conditioning air inlet structure according to any one of claims 2 to 4, characterized by, When the blocking air door is in the first blocking state and the first end portion of the blocking air door is close to the top of the shell, a distance between the first end portion of the blocking air door and the top of the shell along a second direction is greater than zero and less than or equal to 5 mm. When the blocking damper is in the first blocking state and the second end of the blocking damper is close to the air inlet side of the filter, the distance between the second end of the blocking damper and the air inlet side of the filter in the second direction is greater than zero and less than or equal to 5 mm.

8. The air conditioning air inlet structure according to any one of claims 1 to 4, characterized by, The housing further comprises a second inner circulation air inlet located on at least one side of the first inner circulation air inlet in the first direction and a second outer circulation air inlet located on at least one side of the first outer circulation air inlet in the first direction; The housing is further rotationally connected with a side damper, the side damper can be repeatedly rotated between a first position and a second position, when the side damper is in the first position, the second inner circulation air inlet is closed and the second outer circulation air inlet is opened, when the side damper is in the second position, the second inner circulation air inlet is opened and the second outer circulation air inlet is closed. 9.The air conditioning air inlet structure according to claim 8, wherein The number of the side dampers is two, and the two side dampers are respectively located on both sides of the blocking damper in the first direction; The bottom of the side damper is rotationally connected in the housing through a third rotation shaft, and the shape of the cross section of the side damper along the axial direction of the third rotation shaft is a sector.

10. A vehicle air conditioner characterized by comprising: An air conditioner air inlet structure according to any one of claims 1 to 9.

11. A vehicle characterized by comprising: A vehicle air conditioner according to claim 10.

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