air conditioner

Abstract

The present application relates to an air conditioner, comprising: an air supply unit, having an air supply cavity, a first air supply channel and a second air supply channel, the first air supply channel having a first air inlet and a first air outlet, the second air supply channel having a second air inlet and a second air outlet; the first air inlet and the second air inlet are independent of each other, and the first air outlet and the second air outlet are both connected to the air supply cavity; a heat exchange device, arranged in the first air supply channel; wherein the second air inlet in the second air supply channel can be selectively opened. The above-mentioned air conditioner can realize the switching of air supply modes under different air supply modes of air conditioner, so as to meet the diversified needs of users; when the second air inlet is opened, the airflow input from the first air supply channel is mixed with the airflow input from the second air supply channel in the air supply cavity after heat exchange by the heat exchange device, so as to reduce the heat exchange energy consumption, reduce the difference between the air outlet temperature of the air conditioner and the set temperature, thereby avoiding the user from feeling too cold or too hot indoors, and improving the user's comfort.

Description

Technical Field

[0001] The present application relates to the technical field of air conditioning, and in particular to an air conditioner. Background Art

[0002] The air outlet temperature of existing air conditioners in cooling conditions is much lower than the set temperature, and in heating conditions it is much higher than the set temperature. The difference between the air outlet temperature and the set temperature is large, and users feel too cold or too hot near the air outlet, which cannot meet user needs. Summary of the invention

[0003] Based on this, it is necessary to provide an air conditioner to address the problem of a large difference between the air outlet temperature of the air conditioner and the set temperature.

[0004] An air conditioner, comprising:

[0005] An air supply unit, comprising an air supply cavity, a first air supply channel and a second air supply channel, wherein the first air supply channel has a first air inlet and a first air outlet, and the second air supply channel has a second air inlet and a second air outlet; the first air inlet and the second air inlet are independent of each other, and the first air outlet and the second air outlet are both connected to the air supply cavity;

[0006] a heat exchange device, disposed in the first air supply passage;

[0007] Wherein, the second air inlet in the second air supply channel can be selectively opened.

[0008] In the above-mentioned air conditioner, the second air inlet in the second air supply channel can be selectively opened to realize the switching of the air supply mode under different air-conditioning air supply modes to meet the diverse needs of users; when the second air inlet is opened, the air flow input by the first air supply channel is mixed with the air flow input by the second air supply channel in the air supply chamber after heat exchange through the heat exchange device, thereby reducing the heat exchange energy consumption and reducing the difference between the air outlet temperature of the air conditioner and the set temperature, thereby avoiding the user from feeling too cold or too hot indoors and improving the user's comfort.

[0009] In one embodiment, the air inlet direction of the first air inlet is a first direction, and the air inlet direction of the second air inlet is a second direction intersecting with the first direction.

[0010] In one embodiment, the air supply unit includes a first air inlet unit and a second air inlet unit arranged side by side along the first direction, the first air inlet unit is provided with the first air inlet and the first air outlet on opposite sides along the first direction, and the second air inlet and the second air outlet are respectively provided on different sides of the second air inlet unit.

[0011] In one embodiment, the second air inlet unit includes a first body and a second body, the first body is fixedly connected to the first air inlet unit, the second air inlet is provided on the first body, and the second body is movably provided on the first body to open and close the second air inlet.

[0012] In one embodiment, the second air inlet unit further includes a gear and a first driving member, the gear is fixed on the first body, the second body is provided with a rack meshing with the gear, and the first driving member is used to drive the gear to rotate and drive the second body to move.

[0013] In one embodiment, the first body and the second body are both in a semicircular arc shape, and the rack is disposed on the inner wall of the second body along the circumference of the second body.

[0014] In one embodiment, the first body includes an inner track and an outer track arranged around the outer circumference of the inner track, the outer track and the inner track are provided with a guide groove, and the second body is movably arranged in the guide groove.

[0015] In one embodiment, the first air inlet unit includes a shell and an air inlet grille, the shell is provided with the first air inlet and the first air outlet on opposite sides along the first direction, and the air inlet grille is provided at the first air inlet.

[0016] In one of the embodiments, the air supply unit further includes an air guide unit, and the air guide unit is arranged side by side on one side of the second air inlet unit along the first direction, and the air supply cavity is arranged in the air guide unit.

[0017] In one embodiment, the air guide unit includes an air guide tube, an air guide impeller and an air guide driving component. The air supply cavity is arranged in the air guide tube. The air guide impeller is rotatably arranged in the air supply cavity. The air guide driving component is used to drive the air guide impeller to rotate.

[0018] In one of the embodiments, the air guide unit further includes an air outlet grille, the air supply cavity has an air supply outlet, and the air outlet grille is arranged at the air supply outlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a partial schematic diagram of an air conditioner in one embodiment;

[0020] Figure 2 for Figure 1 A schematic diagram of the interior of the air conditioner shown;

[0021] Figure 3 for Figure 1 An exploded view of the air conditioner shown;

[0022] Figure 4 for Figure 1 A schematic diagram showing that the second body of the second air inlet unit in the air conditioner is in a first position;

[0023] Figure 5 for Figure 1 A schematic diagram showing that the second body of the second air inlet unit in the air conditioner is in a second position;

[0024] Figure 6 for Figure 1 A schematic diagram showing that the second body of the second air inlet unit in the air conditioner is in a third position.

[0025] Reference numerals:

[0026] 100, air supply unit; 101, air supply cavity; 102, first air supply channel; 102a, first air inlet; 102b, first air outlet; 103, second air supply channel; 103a, second air inlet; 103b, second air outlet; 104, air supply outlet; 110, first air inlet unit; 111, shell; 112, air inlet grille; 120, second air inlet unit; 121, first body; 121a, inner track; 121b, outer track; 122, second body; 123, gear; 124, first driving member; 130, air guide unit; 131, air guide tube; 132, air guide impeller; 133, air guide driving member; 134, air outlet grille; 200, heat exchange device. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0028] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0030] In this application, unless otherwise clearly specified and limited, the terms "initial", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0031] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0032] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0033] Please refer to Figure 1 and Figure 2The air conditioner in one embodiment includes an air supply unit 100 and a heat exchange device 200. The air supply unit 100 has an air supply cavity 101, a first air supply channel 102 and a second air supply channel 103. The first air supply channel 102 has a first air inlet 102a and a first air outlet 102b. The second air supply channel 103 has a second air inlet 103a and a second air outlet 103b. The first air inlet 102a and the second air inlet 103a are independent of each other. The first air outlet 102b and the second air outlet 103b are both connected to the air supply cavity 101. The heat exchange device 200 is arranged in the first air supply channel 102.

[0034] The second air inlet 103a in the second air supply channel 103 can be selectively opened.

[0035] It should be noted that the second air inlet 103a can be selectively opened, which can be understood as: the second air inlet 103a can be opened or closed. When the second air inlet 103a is closed, the airflow is input from the first air supply channel 102 to the heat exchange device 200 and then flows into the air supply chamber 101 after heat exchange, and is output from the air supply chamber 101 to the room. At this time, the air conditioner is in the normal air supply mode; when the second air inlet 103a is opened, the airflow input from the first air supply channel 102 is mixed with the airflow input from the second air supply channel 103 in the air supply chamber 101 after heat exchange by the heat exchange device 200, and is output from the air supply chamber 101 to the room. At this time, the air conditioner is in the comfortable air supply mode.

[0036] In the above-mentioned air conditioner, the second air inlet 103a in the second air supply channel 103 can be selectively opened to realize the switching of the air supply mode under different air conditioning air supply modes to meet the diverse needs of users; when the second air inlet 103a is opened, the air flow input by the first air supply channel 102 is mixed with the air flow input by the second air supply channel 103 in the air supply chamber 101 after heat exchange by the heat exchange device 200, thereby reducing the heat exchange energy consumption and reducing the difference between the air outlet temperature of the air conditioner and the set temperature, thereby avoiding the user from feeling too cold or too hot indoors and improving the user's comfort.

[0037] In the above embodiment, the first air outlet 102b and the second air outlet 103b are always connected to the air supply cavity 101, and the air inlet directions of the first air inlet 102a and the second air inlet 103a can be different or the same.

[0038] In this embodiment, the number of the first air inlet 102a, the first air outlet 102b, the second air inlet 103a, and the second air outlet 103b is one. In other embodiments, the number of the first air inlet 102a, the first air outlet 102b, the second air inlet 103a, and the second air outlet 103b is not limited to one, that is, the number of the first air inlet 102a, the first air outlet 102b, the second air inlet 103a, and the second air outlet 103b can be at least two; for example, the first air supply channel 102 has at least two first air inlets 102a and at least two first air outlets 102b, and all the first air inlets 102a and all the first air outlets 102b are in a circular array or a rectangular array.

[0039] In this embodiment, the heat exchange device 200 is an evaporator. In other embodiments, the heat exchange device 200 can also be other heat exchange structures.

[0040] For details about this embodiment, please refer to Figure 2 The air inlet direction of the first air inlet 102a is a first direction, and the air inlet direction of the second air inlet 103a is a second direction intersecting with the first direction.

[0041] Here, the first direction is Figure 2 The X direction is shown, and the second direction is Figure 2 By making the air intake directions of the first air inlet 102a and the second air inlet 103a different, it is possible to effectively prevent the first air inlet 102a and the second air inlet 103a from interfering with each other when air is taken in.

[0042] It should be noted that, in other embodiments, the air inlet directions of the first air inlet 102a and the second air inlet 103a may also be the same, for example, the air inlet directions of the first air inlet 102a and the second air inlet 103a are both in the first direction or both in the second direction.

[0043] Please refer to Figure 2 The air supply unit 100 includes a first air inlet unit 110 and a second air inlet unit 120 arranged side by side along a first direction. The first air inlet unit 110 is provided with a first air inlet 102a and a first air outlet 102b on opposite sides along the first direction, and the second air inlet unit 120 is provided with a second air inlet 103a and a second air outlet 103b on different sides.

[0044] Here, the second air inlet 103a is provided on one side of the second air inlet unit 120 along the second direction, and the second air outlet 103b is provided on one side of the second air inlet unit 120 along the first direction. The heat exchange device 200 is disposed between the first air inlet 102a and the first air outlet 102b.

[0045] In this embodiment, the first air inlet unit 110, the second air inlet unit 120 and the air supply cavity 101 are arranged side by side along the first direction, that is, the first air inlet unit 110, the second air inlet unit 120 and the air supply cavity 101 are arranged side by side front to back, so that the structure of the air supply unit 100 can be arranged more compactly and the air supply can be more convenient. In other embodiments, the first air inlet unit 110, the second air inlet unit 120 and the air supply cavity 101 can also be arranged side by side along the second direction, that is, the first air inlet unit 110, the second air inlet unit 120 and the air supply cavity 101 are arranged side by side up and down.

[0046] In this embodiment, the number of the first air inlet unit 110 and the number of the second air inlet unit 120 are both one. In other embodiments, the number of the first air inlet unit 110 and the number of the second air inlet unit 120 are not limited to one, that is, the number of the first air inlet unit 110 and the number of the second air inlet unit 120 are both at least two.

[0047] Please refer to Figure 3 The second air inlet unit 120 includes a first body 121 and a second body 122. The first body 121 is fixedly connected to the first air inlet unit 110. The second air inlet 103a is disposed on the first body 121. The second body 122 is movably disposed on the first body 121 to open and cover the second air inlet 103a.

[0048] Here, the second air inlet 103 a is disposed on the first body 121 , and the second body 122 moves relative to the first body 121 to open and close the second air inlet 103 a , thereby realizing the opening and closing of the second air supply channel 103 .

[0049] Specifically, please refer to Figure 3 and Figure 4 The second air inlet unit 120 also includes a gear 123 and a first driving member 124. The gear 123 is fixed to the first body 121. The second body 122 is provided with a rack meshing with the gear 123. The first driving member 124 is used to drive the gear 123 to rotate and drive the second body 122 to move.

[0050] It can be understood that the first driving member 124 drives the gear 123 to rotate, and the gear 123 engages with the rack on the second body 122 to drive the second body 122 to move, so as to open and close the second air inlet 103a.

[0051] In this embodiment, the first driving member 124 is a motor. In other embodiments, the first driving member 124 can also be other types of driving structures that drive the gear 123 to rotate.

[0052] In this embodiment, the number of the gear 123 is one. In other embodiments, the number of the gear 123 can also be at least two, and all the gears 123 are meshed to form a gear 123 group, so as to achieve flexible control of the moving speed of the second body 122.

[0053] For details about this embodiment, please refer to Figure 4 and Figure 5 The first body 121 and the second body 122 are both semicircular arc-shaped, and the rack is disposed on the inner wall of the second body 122 along the circumference of the second body 122 .

[0054] It can be understood that the first body 121 is semicircular, the second air inlet 103a is the open end of the first body 121, and the second body 122 is also semicircular and can be engaged with the first body 121. The user can select the opening of the second air inlet 103a so that the airflow input from the first air supply channel 102 and the airflow input from the second air supply channel 103 can be mixed to different degrees in the air supply cavity 101. The opening value A (value 0-100%) of the second air inlet 103a and the rotation angle α of the rack (value 0-180°) should satisfy α=A*180°.

[0055] For example, refer to Figure 4 When the user selects the comfortable air supply mode and the air volume is large, the first driving member 124 drives the second body 122 to move to the first position, and the second air inlet 103a is fully opened. At this time, the second air supply channel 103 is opened; Figure 5 When the user selects the comfortable air supply mode and the air volume is small, the first driving member 124 drives the second body 122 to move to the second position, and the second air inlet 103a is partially opened. At this time, the second air supply channel 103 is opened; Figure 6 When the user selects the normal air supply mode, the first driving member drives the second body 122 to move to the third position, and the second air inlet 103a is closed. At this time, the second air supply channel 103 is closed.

[0056] In other embodiments, the first body 121 and the second body 122 may also be C-shaped or have other irregular shapes.

[0057] For further information, please refer to Figure 6 The first body 121 includes an inner track 121a and an outer track 121b surrounding the outer circumference of the inner track 121a. The outer track 121b and the inner track 121a are provided with guide grooves, and the second body 122 is movably disposed in the guide grooves.

[0058] Here, a guide groove is formed between the outer track 121 b and the inner track 121 a , and when the first driving member 124 drives the second body 122 to move, the guide groove can guide the second body 122 to prevent the position of the second body 122 from being offset.

[0059] In this embodiment, the inner track 121a and the outer track 121b are both semicircular. In other embodiments, the inner track 121a and the outer track 121b can also be C-shaped or other irregular shapes.

[0060] In this embodiment, the inner rail 121a and the outer rail 121b are welded and fixed to the first air inlet unit 110. In other embodiments, the inner rail 121a and the outer rail 121b may also be detachably connected to the first air inlet unit 110.

[0061] Please refer to Figure 3 The first air inlet unit 110 includes a shell 111 and an air inlet grille 112. The shell 111 is provided with a first air inlet 102a and a first air outlet 102b at opposite sides along the first direction. The air inlet grille 112 is provided at the first air inlet 102a.

[0062] Here, the air inlet grille 112 has a plurality of air inlet holes for air flow to pass through. Through the above arrangement, the air inlet grille 112 is arranged at the first air inlet 102a, which is beneficial to the uniform distribution of air flow at the first air inlet 102a and ensures the stability of the wind pressure at the first air inlet 102a.

[0063] In this embodiment, the first air inlet 102a is square, and the first air outlet 102b is circular. In other embodiments, the first air inlet 102a may also be circular or in other shapes, and the first air outlet 102b may also be square or in other shapes. Here, the shapes of the first air inlet 102a and the first air outlet 102b are not specifically limited.

[0064] In this embodiment, the first body 121 of the second air inlet unit 120 is fixedly connected to the housing 111. In other embodiments, the first body 121 and the housing 111 may also be an integrally formed structure with good integrity and high mechanical strength.

[0065] Please refer to Figure 3 and Figure 2 The air supply unit 100 further includes an air guide unit 130 , which is arranged side by side on one side of the second air inlet unit 120 along the first direction, and the air supply cavity 101 is arranged in the air guide unit 130 .

[0066] Through the above arrangement, the first air inlet unit 110, the second air inlet unit 120 and the air guide unit 130 are arranged side by side along the first direction, which can make the structure of the air supply unit 100 more compact and facilitate the switching of the air supply channels.

[0067] Specifically, please refer to Figure 3The air guide unit 130 includes an air guide tube 131, an air guide impeller 132 and an air guide driving member 133. The air guide tube 131 is provided with an air supply cavity 101. The air guide impeller 132 is rotatably provided in the air supply cavity 101. The air guide driving member 133 is used to drive the air guide impeller 132 to rotate.

[0068] It can be understood that the air guide driving member 133 drives the air guide impeller 132 to rotate so that the air flow in the air supply cavity 101 is output to the room for use by the user.

[0069] In this embodiment, the wind guide driving member 133 is a motor. In other embodiments, the wind guide driving member 133 can also be other types of driving structures that drive the wind guide impeller 132 to rotate.

[0070] In this embodiment, the number of the air guide impeller 132 is one. In other embodiments, the number of the air guide impeller 132 may also be at least two, and all the air guide impellers 132 may be driven by the same air guide driving member 133 .

[0071] In this embodiment, the air guide tube 131 is cylindrical. In other embodiments, the air guide tube 131 can also be prismatic or other shapes.

[0072] Please refer to Figure 3 The air guide unit 130 further includes an air outlet grille 134 . The air supply cavity 101 has an air supply outlet 104 . The air outlet grille 134 is disposed at the air supply outlet 104 .

[0073] Here, the air outlet grille 134 has a plurality of air outlet holes for air flow to pass through. Through the above arrangement, the air outlet grille 134 is arranged at the air outlet 104, which is conducive to the uniform distribution of air flow at the air outlet 104 and ensures that the air pressure at the air outlet 104 is stable.

[0074] In this embodiment, the air outlet 104 is circular. In other embodiments, the air outlet 104 can also be square or other shapes. Here, the shape of the air outlet 104 is not specifically limited.

[0075] In this embodiment, there is one air outlet 104. In other embodiments, the number of air outlets 104 is not limited to one, that is, the number of air outlets 104 can be at least two, and all air outlets 104 can be arranged side by side or in an array or in other arrangements.

[0076] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described 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.

[0077] The above-mentioned embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the attached claims.

Claims

1. An air conditioner, characterized in that: include: An air supply unit (100) comprises an air supply cavity (101), a first air supply channel (102) and a second air supply channel (103); the first air supply channel (102) comprises a first air inlet (102a) and a first air outlet (102b), and the second air supply channel (103) comprises a second air inlet (103a) and a second air outlet (103b); the first air inlet (102a) and the second air inlet (103a) are independent of each other, and the first air outlet (102b) and the second air outlet (103b) are both connected to the air supply cavity (101); A heat exchange device (200) is disposed in the first air supply channel (102); Wherein, the second air inlet (103a) in the second air supply channel (103) can be selectively opened; The air inlet direction of the first air inlet (102a) is a first direction, and the air inlet direction of the second air inlet (103a) is a second direction intersecting with the first direction; The air supply unit (100) comprises a first air inlet unit (110) and a second air inlet unit (120) arranged side by side along the first direction; the first air inlet unit (110) is provided with the first air inlet (102a) and the first air outlet (102b) on opposite sides along the first direction; and the second air inlet unit (120) is provided with the second air inlet (103a) and the second air outlet (103b) on different sides thereof.

2. The air conditioner according to claim 1, characterized in that: The second air inlet unit (120) comprises a first main body (121) and a second main body (122), the first main body (121) being fixedly connected to the first air inlet unit (110), the second air inlet (103a) being arranged on the first main body (121), and the second main body (122) being movably arranged on the first main body (121) to open and close the second air inlet (103a).

3. The air conditioner according to claim 2, characterized in that: The second air inlet unit (120) further comprises a gear (123) and a first driving member (124); the gear (123) is fixed to the first main body (121); the second main body (122) is provided with a rack meshing with the gear (123); the first driving member (124) is used to drive the gear (123) to rotate and drive the second main body (122) to move.

4. The air conditioner according to claim 3, characterized in that: The first body (121) and the second body (122) are both semicircular arc-shaped, and the rack is arranged on the inner wall of the second body (122) along the circumference of the second body (122).

5. The air conditioner according to claim 2, characterized in that: The first body (121) comprises an inner track (121a) and an outer track (121b) arranged around the outer circumference of the inner track (121a); ​​the outer track (121b) and the inner track (121a) are provided with guide grooves; the second body (122) is movably arranged in the guide grooves.

6. The air conditioner according to claim 1, characterized in that: The first air inlet unit (110) comprises a shell (111) and an air inlet grille (112); the shell (111) is provided with the first air inlet (102a) and the first air outlet (102b) on opposite sides along the first direction; and the air inlet grille (112) is provided at the first air inlet (102a).

7. The air conditioner according to claim 1, characterized in that: The air supply unit (100) further comprises an air guide unit (130), wherein the air guide unit (130) is arranged side by side on one side of the second air inlet unit (120) along the first direction, and the air supply cavity (101) is arranged on the air guide unit (130).

8. The air conditioner according to claim 7, characterized in that: The air guide unit (130) comprises an air guide cylinder (131), an air guide impeller (132) and an air guide driving component (133); the air supply cavity (101) is arranged inside the air guide cylinder (131); the air guide impeller (132) is rotatably arranged inside the air supply cavity (101); and the air guide driving component (133) is used to drive the air guide impeller (132) to rotate.

9. The air conditioner according to claim 7, characterized in that: The air guide unit (130) further comprises an air outlet grille (134); the air supply cavity (101) has an air supply outlet (104); and the air outlet grille (134) is arranged at the air supply outlet (104).

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