Air door control structure and air conditioning cabinet

Abstract

The application relates to a damper control structure and an air conditioner box body, which comprise a first shell, a blade unit and a driving assembly. The first shell is provided with a defrosting air outlet, a foot blowing air outlet and a face blowing air outlet which are arranged at intervals. The blade unit comprises a first blade unit, a second blade unit and a third blade unit. The first blade unit is rotatably arranged at the defrosting air outlet, the second blade unit is rotatably arranged at the foot blowing air outlet, and the third blade unit is rotatably arranged at the face blowing air outlet. The driving assembly is connected with the first blade unit, the second blade unit and the third blade unit. The defrosting air outlet, the foot blowing air outlet and the face blowing air outlet are integrated on the first shell, and the opening and closing states of the air outlets are controlled by the first blade unit, the second blade unit and the third blade unit which are rotatably arranged in the air outlets, so that the structure is simplified, and convenient switching of three modes of defrosting-foot blowing, defrosting-face blowing and defrosting-foot blowing-face blowing is realized.

Description

Technical Field

[0001] This application relates to the field of air conditioning systems for military vehicles, and in particular to damper control structures and air conditioning housings. Background Technology

[0002] With the continuous development of military vehicle technology, higher requirements have been placed on the operational stability of air conditioning systems in order to adapt to the complex and ever-changing battlefield environment.

[0003] The damper control structure is a device located at the air outlet of the air conditioning unit, used to control the position and angle of airflow. In traditional technology, the damper control structure consists of components such as a mode disc, connecting rod, shift fork, damper plate, pin shaft, and valve plate, and uses mechanical cables or transmission gears to drive the rotation of related components.

[0004] However, the structural design of the aforementioned damper control structure is usually quite complex. Summary of the Invention

[0005] Therefore, it is necessary to provide a damper control structure and an air conditioning unit to address the issue of the complex design of the damper control structure in the air conditioning unit.

[0006] According to one aspect of this application, a damper control structure is provided, including a first housing, blade units, and a drive assembly. The first housing is provided with a defrost air outlet, a foot-blowing air outlet, and a face-blowing air outlet arranged at intervals from each other. The blade unit includes a first blade unit, a second blade unit, and a third blade unit. The first blade unit is rotatably disposed at the defrost air outlet to open or close the defrost air outlet; the second blade unit is rotatably disposed at the foot-blowing air outlet to open or close the foot-blowing air outlet; and the third blade unit is rotatably disposed at the face-blowing air outlet to open or close the face-blowing air outlet. The drive assembly is disposed in the first housing and is connected to the first blade unit, the second blade unit, and the third blade unit, respectively. In the process, the blade unit has a first state, a second state, and a third state; the drive assembly is used to drive the first blade unit, the second blade unit, and the third blade unit to make the blade unit be in the first state, the second state, and the third state; when the blade unit is in the first state, the defrost air outlet is in the open state, and the foot air outlet and the face air outlet are in the closed state; when the blade unit is in the second state, the first blade unit opens the defrost air outlet, the second blade unit closes the foot air outlet, and the third blade unit opens the face air outlet; when the blade unit is in the third state, the first blade unit opens the defrost air outlet, the second blade unit opens the foot air outlet, and the third blade unit opens the face air outlet.

[0007] In one embodiment, the drive assembly includes a first motor connected to a first blade unit; a first linkage unit connected between the first blade unit and a second blade unit; and a second linkage unit connected between the first blade unit and a third blade unit; the first motor is used to drive the first blade unit, the second blade unit, and the third blade unit to place the blade units in a first state, a second state, and a third state.

[0008] In one embodiment, the first blade unit has a first end and a second end at opposite ends along a first direction; the first linkage unit includes a first active linkage connected to the first end, a first driven linkage connected to the second blade unit, and a first connecting rod rotatably connected between the first active linkage and the first driven linkage about an axis parallel to the first direction; the second linkage unit includes a second active linkage rotatably connected to the second end, a second driven linkage connected to the third blade unit, and a second connecting rod connected between the second active linkage and the second driven linkage.

[0009] In one embodiment, a first blade unit is rotatably disposed at a defrost air outlet about an axis parallel to a first direction, a second blade unit is rotatably disposed at a foot air outlet about an axis parallel to a first direction, and a third blade unit is rotatably disposed at a face air outlet about an axis parallel to a first direction; wherein the angle of the second blade unit relative to the plane of the defrost air outlet and the angle of the third blade unit relative to the plane of the face air outlet are different.

[0010] In one embodiment, the defrost air outlet, the foot blowing air outlet, and the face blowing air outlet are located on the same side of the first housing and are spaced apart along the second direction; wherein the first direction and the second direction are perpendicular to each other.

[0011] According to another aspect of this application, an air conditioning housing is provided, including the aforementioned damper control structure.

[0012] In one embodiment, the air conditioning unit further includes a second housing with an air inlet, the first housing and the second housing forming a receiving cavity; and a temperature control component disposed within the receiving cavity, the temperature control component including a fan, a heating unit and a cooling unit. The heating unit includes a warm air core disposed along a third direction between the damper control structure and the fan, and the warm air core extends along a first direction; the cooling unit includes an evaporator disposed along a second direction between the air inlet and the fan, and the evaporator extends along a third direction; wherein the third direction, the first direction and the second direction are perpendicular to each other.

[0013] In one embodiment, the air conditioning unit further includes a valve plate disposed between the second housing and the heating core along a first direction. The valve plate and the heating core together divide the receiving cavity into a first chamber and a second chamber. The first chamber is connected to the air inlet, and the second chamber is connected to at least one of the defrost air outlet, the foot air outlet, and the face air outlet. The cooling unit is disposed in the first chamber.

[0014] In one embodiment, the heating unit further includes an inlet pipe and an outlet pipe that connect to the heating core; an electric heating water valve is connected to the inlet pipe, and the electric heating water valve is configured to control the opening degree of the electric heating water valve according to the temperature inside the receiving cavity.

[0015] In one embodiment, the cooling unit further includes a refrigerant delivery pipe connected to the evaporator, and an electronic expansion valve provided on the refrigerant delivery pipe; the electronic expansion valve is configured to adjust its opening degree according to the superheat of the refrigerant in the refrigerant delivery pipe.

[0016] In the technical solution of this application, the defrost air outlet, the foot blowing air outlet, and the face blowing air outlet are integrated on the first housing, and the opening and closing state of each air outlet is controlled by the first blade unit, the second blade unit, and the third blade unit, which are rotatably set in the air outlet. This simplifies the structure and enables convenient switching between three modes: defrost-foot blowing, defrost-face blowing, and defrost-foot blowing-face blowing. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall assembly structure of an air conditioning unit according to an embodiment of this application.

[0018] Figure 2 For this application Figure 1 A schematic diagram of the damper control structure in the diagram.

[0019] Figure 3 This is a schematic diagram of the assembly structure of the first housing and the second housing according to an embodiment of this application.

[0020] Figure 4 This is a side view of an air conditioning unit according to an embodiment of this application.

[0021] Figure label:

[0022] Damper control structure 1000;

[0023] First housing 100; defrost air outlet 11; foot blowing air outlet 12; face blowing air outlet 13;

[0024] Blade unit 200; first blade unit 21, second blade unit 22; third blade unit 23;

[0025] Drive assembly 300; first motor 31; first linkage unit 32; first active linkage 321; first driven linkage 322; first connecting rod 323; second linkage unit 33; second active linkage 331; second driven linkage 332; second connecting rod 333;

[0026] Air conditioner unit 4000;

[0027] Second housing 400; bottom housing 40; air inlet housing 41; air inlet 410; internal circulation air inlet 411, external circulation air inlet 412; receiving cavity 42; first chamber 421; second chamber 422; condensate drain pipe 43; drain check valve 44; mounting bracket 45; side plate 46; buckle 47;

[0028] Temperature control component 500; fan 51; heating unit 52; warm air core 521; valve plate 522; water inlet pipe 523; water return pipe 524; electric warm air water valve 525; temperature sensor 526; cooling unit 53; evaporator 54; refrigerant delivery pipeline 55; electronic expansion valve 56;

[0029] Second motor 61; Air inlet regulating valve plate 62;

[0030] Wire harness 7;

[0031] First direction F1; Second direction F2; Third direction F3. Detailed Implementation

[0032] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0033] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0034] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0035] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0036] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0037] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0038] See also Figure 1 and Figure 2 , Figure 1 A schematic diagram of the overall assembly structure of an air conditioning unit 4000 according to an embodiment of this application is shown; Figure 2 For this application Figure 1 A schematic diagram of the damper control structure 1000 in the middle.

[0039] An embodiment of this application provides a damper control structure 1000, including a first housing 100, blade units 200, and a drive assembly 300. The first housing 100 is provided with a defrost air outlet 11, a foot blowing air outlet 12, and a face blowing air outlet 13 arranged at intervals. The blade unit 200 includes a first blade unit 21, a second blade unit 22, and a third blade unit 23. The first blade unit 21 is rotatably disposed at the defrost air outlet 11 to open or close the defrost air outlet 11. The second blade unit 22 is rotatably disposed at the foot blowing air outlet 12 to open or close the foot blowing air outlet 12. The third blade unit 23 is rotatably disposed at the face blowing air outlet 13 to open or close the face blowing air outlet 13. The drive assembly 300 is disposed in the first housing 100 and is connected to the first blade unit 21, the second blade unit 22, and the third blade unit 23 respectively. The blade unit 200 has a first state, a second state, and a third state; the drive assembly 300 is used to drive the first blade unit 21, the second blade unit 22, and the third blade unit 23 so that the blade unit 200 is in the first state, the second state, and the third state; when the blade unit 200 is in the first state, the defrost outlet 11 is in the open state, the foot-blowing outlet 12, and the face-blowing outlet 13 are in the closed state; when the blade unit 200 is in the second state, the first blade unit 21 opens the defrost outlet 11, the second blade unit 22 closes the foot-blowing outlet 12, and the third blade unit 23 opens the face-blowing outlet 13; when the blade unit 200 is in the third state, the first blade unit 21 opens the defrost outlet 11, the second blade unit 22 opens the foot-blowing outlet 12, and the third blade unit 23 opens the face-blowing outlet 13.

[0040] It is understood that this application integrates the defrost air outlet 11, the face air outlet 13, and the foot air outlet 12 on the first housing 100, and controls the opening and closing state of each air outlet by the first blade unit 21, the second blade unit 22, and the third blade unit 23, which are rotatably arranged in the air outlet. This simplifies the structure, improves the structural compactness, and also enables convenient switching between three modes: defrost-foot air, defrost-face air, and defrost-foot-face air.

[0041] Furthermore, the drive assembly 300 includes a first motor 31 connected to the first blade unit 21, a first linkage unit 32 connected between the first blade unit 21 and the second blade unit 22, and a second linkage unit 33 connected between the first blade unit 21 and the third blade unit 23. The first motor 31 is used to drive the first blade unit 21, the second blade unit 22, and the third blade unit 23, so that the blade unit 200 is in a first state, a second state, and a third state. That is, in this application, the first blade unit 21 is first driven to rotate by the first motor 31, and then the torque of the first blade unit 21 is transmitted to the second blade unit 22 by the first linkage unit 32 so that it can also rotate to adjust the airflow direction or switch the opening and closing state of the foot air outlet 12, or the torque of the first blade unit 21 is transmitted to the third blade unit 23 by the second linkage unit 33 so that it can also rotate to adjust the airflow direction or switch the opening and closing state of the surface air outlet 13. In this way, the number of drive motors can be reduced by setting up linkage units. On the one hand, there is no need to reserve space for drive motors, thereby further improving the structural compactness. On the other hand, manufacturing costs can also be reduced.

[0042] As one implementation method, specifically as follows: Figure 2 In the illustrated embodiment, the first blade unit 21 has a first end and a second end at opposite ends along a first direction F1. The first linkage unit 32 includes a first active linkage 321 connected to the first end, a first driven linkage 322 connected to the second blade unit 22, and a first connecting rod 323 rotatably connected between the first active linkage 321 and the first driven linkage 322 about an axis parallel to the first direction F1. The second linkage unit 33 includes a second active linkage 331 rotatably connected to the second end, a second driven linkage 332 connected to the third blade unit 23, and a second connecting rod 333 connected between the second active linkage 331 and the second driven linkage 332. That is, the first active connecting rod 321 in the first connecting rod unit 32 and the second active connecting rod 331 in the second connecting rod unit 33 are respectively connected to both sides of the first blade unit 21, and are respectively connected to the second blade unit 22 and the third blade unit 23 to form two planar four-bar linkages, thereby realizing the simultaneous control of the rotation state of the three blade units 200 by one drive motor.

[0043] It is worth noting that this application adopts the method of directly driving the first blade unit 21 to rotate by the first drive motor, which avoids the problem of loosening of mechanical pull wires or transmission gears under strong impact, improves the impact resistance of the damper control structure 1000, and enables this application to adapt to complex battlefield environments and ensure the operational stability of the damper control structure 1000.

[0044] In some embodiments, it is worth noting that when the first active connecting rod 321 and the second active connecting rod 331 are the shortest rods in the four-bar linkage in their respective planes, they respectively form two crank-rocker mechanisms. The second blade unit 22 and the third blade unit 23 can reciprocate within a certain angle range as the first blade unit 21 rotates continuously, thereby conveniently controlling the wind direction.

[0045] In some embodiments, a first blade unit 21 is rotatably disposed at the defrost outlet 11 about an axis parallel to the first direction F1, a second blade unit 22 is rotatably disposed at the foot-blowing outlet 12 about an axis parallel to the first direction F1, and a third blade unit 23 is rotatably disposed at the face-blowing outlet 13 about an axis parallel to the first direction F1; wherein the angle of the second blade unit 22 relative to the plane of the defrost outlet 11 and the angle of the third blade unit 23 relative to the plane of the face-blowing outlet 13 are different. This avoids the situation where the second blade unit 22 and the third blade unit 23 close simultaneously, ensuring that the face or feet can be blew while defrosting.

[0046] Furthermore, the defrost air outlet 11, the foot air outlet 12, and the face air outlet 13 are located on the same side of the first housing 100 and are spaced apart along the second direction F2 to further improve the compactness of the damper control structure 1000, wherein the first direction F1 and the second direction F2 are perpendicular to each other.

[0047] Figure 3 A schematic diagram of the assembly structure of the first housing 100 and the second housing 400 according to an embodiment of this application is shown; Figure 4 A side view of an air conditioning unit 4000 according to an embodiment of this application is shown.

[0048] According to another aspect of this application, an air conditioning unit 4000 is provided, including the aforementioned damper control structure 1000, and a second housing 400 having an air inlet 410. The first housing 100 and the second housing 400 surround a receiving cavity 42, and a temperature control component 500 is provided in the receiving cavity 42. The temperature control component 500 includes a fan 51, a heating unit 52, and a cooling unit 53. The heating unit 52 includes a warm air core 521 disposed along a third direction F3 between the damper control structure 1000 and the fan 51, and the warm air core 521 extends along a first direction F1. The cooling unit 53 includes an evaporator 54 disposed along a second direction F2 between the air inlet 410 and the fan 51, and the evaporator 54 extends along a third direction F3. The third direction F3, the first direction F1, and the second direction F2 are all perpendicular to each other.

[0049] In other words, the heater core 521 is placed horizontally above the fan 51, and the evaporator 54 is placed vertically to the side of the fan 51. The fan 51 is sandwiched within the space enclosed by the heater core 521, the evaporator 54, and the second housing 400. In this way, on the one hand, the space within the housing 42 is rationally utilized, making the structure of the air conditioning unit 4000 more compact. On the other hand, the vertical layout of the evaporator 54 helps the condensate to collect along the fins to the bottom of the air conditioning unit 4000 and flow to the outside of the vehicle through the condensate drain pipe 43. If it were arranged horizontally, the condensate might drip onto the fan 51 or other parts of the air conditioning unit 4000, thus affecting the stable operation of the air conditioning unit 4000.

[0050] Optionally, the fan 51 is a brushless fan 51, which can resist electromagnetic interference under certain conditions and is conducive to adapting to the battlefield environment.

[0051] In some embodiments, the air conditioning unit 4000 further includes a valve plate 522 disposed between the second housing 400 and the heater core 521 along the first direction F1. The valve plate 522 and the heater core 521 together divide the receiving cavity 42 into a first chamber 421 and a second chamber 422. The first chamber 421 is connected to the air inlet 410, and the second chamber 422 is connected to at least one of the defrost air outlet 11, the foot air outlet 12, and the face air outlet 13. The cooling unit 53 is disposed in the first chamber 421. Thus, when cooling is required, the valve plate 522 can be opened to connect the first chamber 421 and the second chamber 422. At this time, the low-temperature airflow cooled by the evaporator 54 enters the second chamber 422 through the valve plate 522 and can then be discharged from the three air outlets. When cooling is required, the valve plate 522 can be closed so that the air can only be heated by the warm air core 521 and then enter the second chamber 422 from the first chamber 421 and can then be discharged from the three air outlets.

[0052] like Figure 3 As shown, in some embodiments, the second housing 400 is riveted from sheet metal parts and serves as a load-bearing component for the evaporator 54, the heater core 521, the fan 51, and various controllers and valves. The lower housing assembly is made of 1.2mm thick St12 steel plate, which is bent and then riveted. The first housing 100 and the second housing 400 are connected together by multiple clips 47 to facilitate disassembly and maintenance. Compared with plastic housings, since the main load-bearing parts are all metal parts and the structural connection is reliable, the impact resistance of the entire air conditioning unit 4000 is improved.

[0053] Furthermore, the second housing 400 includes a bottom housing 40 and an air inlet housing 41 connected to the bottom housing 40. The air inlet housing 41 is provided with an internal circulation air inlet 411 and an external circulation air inlet 412. The bottom housing 40 is provided with a second motor 61 and an air inlet regulating valve plate 62 driven by the second motor 61. The air inlet regulating valve plate 62 is sandwiched between the internal circulation air inlet 411 and the external circulation air inlet 412, so that the air inlet mode can be controlled by controlling the rotation angle of the air inlet regulating valve plate 62 through the second motor 61.

[0054] In some embodiments, the heating unit 52 further includes an inlet pipe 523 and a return pipe 524 connecting the heater core 521. An electric heater water valve 525 is connected to the inlet pipe 523 and is configured to control its opening degree according to the temperature inside the receiving cavity 42. The cooling unit 53 further includes a refrigerant delivery pipe 55 connecting the evaporator 54 and an electronic expansion valve 56 on the refrigerant delivery pipe 55. The electronic expansion valve 56 is configured to adjust its opening degree according to the superheat of the refrigerant inside the refrigerant delivery pipe 55.

[0055] Understandably, the electric heater valve 525 and electronic expansion valve 56 have higher control precision compared to the mechanical heater valves and mechanical expansion valves used in previous models. Furthermore, due to the reduction in the internal mechanical structure of the valve body, the structure is more reliable under the impact of a landmine explosion, thereby improving the overall impact resistance of the air conditioning unit 4000.

[0056] The damper control structure 1000 and air conditioning unit 4000 provided in this application are controlled by two planar four-bar structures and a drive motor. This ensures a compact device structure while effectively and conveniently controlling the airflow direction and opening / closing status of the defrost outlet 11, foot outlet 12, and face outlet 13. Furthermore, the direct drive of the first blade unit 21 by the first motor 31 avoids the potential loosening of traditional transmission structures under strong impact. In addition, the optimized layout of the fan 51, heater core 521, and evaporator 54 within the air conditioning unit further enhances the overall compactness of the air conditioning unit 4000 and facilitates the drainage of condensate, preventing it from entering the fan 51 and causing damage.

[0057] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0058] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A damper control structure, characterized by, The damper control structure comprises: A first housing, wherein a defrosting air outlet, a foot blowing air outlet and a face blowing air outlet are arranged at intervals on the first housing; A blade unit, comprising a first blade unit, a second blade unit and a third blade unit, wherein the first blade unit is rotatably arranged at the defrosting air outlet to open or close the defrosting air outlet; the second blade unit is rotatably arranged at the foot blowing air outlet to open or close the foot blowing air outlet; the third blade unit is rotatably arranged at the face blowing air outlet to open or close the face blowing air outlet; the first blade unit has a first end and a second end at opposite ends along a first direction; and A driving assembly arranged in the first housing and connected with the first blade unit, the second blade unit and the third blade unit respectively, wherein the driving assembly comprises a first motor connected with the first blade unit, a first connecting rod unit and a second connecting rod unit, the first connecting rod unit is connected between the first blade unit and the second blade unit, the first connecting rod unit comprises a first driving connecting rod connected with the first end, a first driven connecting rod connected with the second blade unit, and a first connecting rod rotatably connected between the first driving connecting rod and the first driven connecting rod along an axis parallel to the first direction; the second connecting rod unit is connected between the first blade unit and the third blade unit, the second connecting rod unit comprises a second driving connecting rod rotatably connected with the second end, a second driven connecting rod connected with the third blade unit, and a second connecting rod connected between the second driving connecting rod and the second driven connecting rod; the first motor is used to drive the first blade unit, the second blade unit and the third blade unit to make the blade unit in a first state, a second state and a third state; The blade unit has a first state, a second state and a third state; the driving assembly is used to drive the first blade unit, the second blade unit and the third blade unit to make the blade unit in the first state, the second state and the third state; When the blade unit is in the first state, the defrosting air outlet is in an open state, and the foot blowing air outlet and the face blowing air outlet are in a closed state; When the blade unit is in the second state, the first blade unit opens the defrosting air outlet, the second blade unit closes the foot blowing air outlet, and the third blade unit opens the face blowing air outlet; When the blade unit is in the third state, the first blade unit opens the defrosting air outlet, the second blade unit opens the foot blowing air outlet, and the third blade unit opens the face blowing air outlet.

2. The damper control structure according to claim 1, wherein The first blade unit is rotatably arranged at the defrosting air outlet along an axis parallel to the first direction, the second blade unit is rotatably arranged at the foot blowing air outlet along an axis parallel to the first direction, and the third blade unit is rotatably arranged at the face blowing air outlet along an axis parallel to the first direction. The angle of the second vane unit relative to the plane of the defrosting air outlet is different from the angle of the third vane unit relative to the plane of the face blowing air outlet.

3. The damper control structure according to claim 2, wherein The defrosting air outlet, the foot blowing air outlet and the face blowing air outlet are arranged on the same side of the first shell and are spaced apart along the second direction. The first direction and the second direction are perpendicular to each other.

4. An air conditioning cabinet, characterized by The air door control structure of any one of claims 1-3.

5. The air conditioning cabinet of claim 4, wherein, Further comprising: The second shell is provided with an air inlet, and the first shell and the second shell form a containing cavity. And The temperature control assembly arranged in the containing cavity comprises: A fan; A heating unit comprising a warm air core arranged between the air door control structure and the fan along a third direction, and the warm air core extends along the first direction; and A cooling unit comprising an evaporator arranged between the air inlet and the fan along a second direction, and the evaporator extends along the third direction; The third direction, the first direction and the second direction are perpendicular to each other.

6. The air conditioning cabinet of claim 5, wherein, The air conditioner box further comprises a valve plate arranged between the second shell and the warm air core along the first direction, and the valve plate and the warm air core together divide the containing cavity into a first chamber and a second chamber, the first chamber is communicated with the air inlet, and the second chamber can be communicated with at least one of the defrosting air outlet, the foot blowing air outlet and the face blowing air outlet, and the cooling unit is arranged in the first chamber.

7. The air conditioning cabinet of claim 5, wherein The heating unit further comprises a water inlet pipe and a water return pipe connected with the warm air core; The water inlet pipe is connected with an electric warm air water valve, and the electric warm air water valve is configured to control the opening degree of the electric warm air water valve according to the temperature in the containing cavity.

8. The air conditioning cabinet of claim 5, wherein, The cooling unit further comprises a refrigerant conveying pipeline connected with the evaporator, and an electronic expansion valve arranged on the refrigerant conveying pipeline; The electronic expansion valve is configured to adjust its opening degree according to the superheat degree of the refrigerant in the refrigerant conveying pipeline.

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