Vertical air conditioner indoor unit

Abstract

The invention discloses a vertical air conditioner indoor unit, which belongs to the technical field of air conditioners and comprises a shell, a heat exchanger, a heat exchange fan, a fresh air volute and a fresh air fan. The interior of the machine shell at least comprises a first cavity and a second cavity, and the first cavity is located above the second cavity. The machine shell comprises a machine shell air inlet, a machine shell air outlet and a fresh air inlet. The fresh air inlet is formed in the rear side of the machine shell. The heat exchanger and the heat exchange fan are arranged in the first cavity; the fresh air volute is arranged in the second cavity; the fresh air fan is arranged in the fresh air volute; a plane perpendicular to the axis of the volute air inlet is defined as a first plane; a plane perpendicular to the axis of the fresh air inlet is defined as a second plane, and a first included angle alpha is defined by the second plane and the first plane; the filter screen component comprises a filter screen, and a second included angle beta is defined by the windward side of the filter screen and the first plane. The vertical air conditioner indoor unit can increase the fresh air volume and reduce the fresh air noise under the condition that the volume of the fresh air duct is fixed.

Description

Technical Field

[0001] The present invention relates to the technical field of air conditioners, and in particular to a vertical air conditioner indoor unit. Background Art

[0002] Fresh air air conditioner is a healthy and comfortable air conditioner with fresh air function. It adds a fresh air module to the structure of the traditional air conditioner indoor unit to introduce outdoor fresh air into the room, thereby realizing the circulation and ventilation between room air and outdoor air, and also has the function of purifying the air.

[0003] In a vertical air conditioner indoor unit, a fresh air module usually includes a fresh air fan and a fresh air volute, a fresh air duct is defined inside the fresh air volute, the fresh air fan is arranged in the fresh air duct, and the fresh air duct is connected to a fresh air inlet, so that the outdoor fresh air is introduced into the room from the fresh air inlet through the fresh air duct. In order to facilitate the arrangement of the components of the indoor unit, the fresh air module is usually arranged in the middle and lower part of the vertical air conditioner indoor unit, and the fresh air inlet for introducing outdoor fresh air is usually opened at the rear side of the indoor unit. A purification module for purifying outdoor fresh air is usually installed in the fresh air duct, and the purification module is arranged close to the fresh air inlet. The fresh air fan has a relatively determined relative position relationship with the purification module and the casing of the indoor unit, so that the amount of outdoor fresh air introduced into the room by the fresh air fan is large and the noise is small.

[0004] The purification module is usually inserted into the fresh air duct from top to bottom. Since the rear side of the indoor unit faces the wall, it is inconvenient to install and remove the purification module. Although in the prior art, there are also some models that open the insertion port of the purification module on the side of the indoor unit away from the wall, so that the purification module is inserted into the fresh air module in the horizontal direction. Although this arrangement facilitates the installation and removal of the purification module. However, it also changes the relative position between the purification module and the fresh air fan. In order to maintain the relative position of the purification module and the fresh air fan, although the position of the fresh air fan can be adjusted, this will change the relative position of the fresh air fan and the indoor unit casing, reducing the amount of outdoor fresh air introduced by the fresh air fan.

[0005] In view of this, this application is filed. Summary of the invention

[0006] In view of the deficiencies existing in the related art, the present invention provides a vertical air-conditioning indoor unit, which increases the fresh air volume by changing the setting position of the fresh air fan in the fresh air volute.

[0007] The present invention provides a vertical air conditioner indoor unit, comprising:

[0008] A base, for contacting the ground;

[0009] The casing is arranged on the base; the length direction of the casing is from the top of the casing to the bottom of the casing; the casing includes at least a first cavity and a second cavity, and the first cavity is located above the second cavity; the casing includes a casing air inlet, a casing air outlet and a fresh air inlet, the casing air inlet and the casing air outlet are respectively connected to the first cavity, and the fresh air inlet is connected to the second cavity; the fresh air inlet is opened at the rear side of the casing;

[0010] a heat exchanger disposed in the first chamber;

[0011] A heat exchange fan is arranged in the first cavity; the heat exchange fan is operated to introduce indoor air from the air inlet of the casing into the first cavity, and the indoor air is heated by the heat exchanger and then flows into the room from the air outlet of the casing;

[0012] A fresh air volute is disposed in the second cavity; the fresh air volute is formed with a volute air inlet, and the volute air inlet is disposed correspondingly to the fresh air inlet;

[0013] A fresh air fan is arranged in the fresh air volute; through the operation of the fresh air fan, outdoor fresh air is introduced into the fresh air volute from the fresh air inlet through the volute inlet, and then flows into the room from the casing outlet;

[0014] A plane perpendicular to the axis of the volute air inlet is defined as a first plane;

[0015] A plane perpendicular to the axis of the fresh air inlet is defined as a second plane, and a first angle α is formed between the second plane and the first plane;

[0016] A filter component is arranged between the volute air inlet and the fresh air inlet; the filter component comprises a filter and a mesh frame, the filter is mounted on the mesh frame, and a windward surface of the filter is defined to form a second angle β with the first plane;

[0017] The first angle α satisfies the relationship: 2°≤α≤20°; the second angle β satisfies the relationship: 10°<β≤20°.

[0018] This technical solution sets the second plane at an angle to the first plane so that the fresh air volute is tilted in the second cavity, so that when the space in the second cavity is fixed, a larger-sized fresh air fan can be installed as soon as possible to increase the fresh air volume of the air conditioner indoor unit; the filter is set at an angle to one side of the fresh air inlet of the fresh air fan, and the windward surface of the filter is set at an angle to the first plane, while ensuring that the filter has a good filtering effect on the outdoor fresh air, the installation and removal of the filter can be facilitated, thereby increasing the fresh air volume of the vertical air conditioner indoor unit and reducing the fresh air noise. By changing the setting position of the fresh air fan in the fresh air duct, the fresh air volume can be increased and the fresh air noise can be reduced.

[0019] In addition, the present invention also provides a vertical air conditioner indoor unit, comprising:

[0020] A base, for contacting the ground;

[0021] The casing is arranged on the base; the length direction of the casing is from the top of the casing to the bottom of the casing; the casing includes at least a first cavity and a second cavity, and the first cavity is located above the second cavity; the casing includes a casing air inlet, a casing air outlet and a fresh air inlet, the casing air inlet and the casing air outlet are respectively connected to the first cavity, and the fresh air inlet is connected to the second cavity; the fresh air inlet is opened at the rear side of the casing;

[0022] a heat exchanger disposed in the first chamber;

[0023] A heat exchange fan is arranged in the first cavity; the heat exchange fan is operated to introduce indoor air from the air inlet of the casing into the first cavity, and after heat exchange in the heat exchanger, the indoor air flows into the room from the air outlet of the casing;

[0024] A fresh air volute is disposed in the second cavity; the fresh air volute is formed with a volute air inlet, and the volute air inlet is disposed correspondingly to the fresh air inlet;

[0025] A fresh air fan is arranged in the fresh air volute; through the operation of the fresh air fan, outdoor fresh air is introduced into the fresh air volute from the fresh air inlet through the volute inlet, and then flows into the room from the casing outlet;

[0026] A fresh air hood is arranged in the second cavity, and the fresh air hood is located between the volute air inlet and the fresh air inlet; a first air inlet and a second air inlet are formed on the fresh air hood, the first air inlet is opened on the side wall of the fresh air hood close to the fresh air inlet and is arranged corresponding to the fresh air inlet; the second air inlet is opened on the side wall of the fresh air hood close to the volute air inlet and is arranged corresponding to the volute air inlet;

[0027] The filter component is arranged inside the fresh air cover, and the filter component includes a filter and a mesh frame. The filter is installed on the mesh frame, and the length of the mesh frame is L1;

[0028] An insertion port is formed on the side of the housing and communicates with the interior of the fresh air cover; the mesh frame is inserted into the fresh air cover through the insertion port; the insertion direction of the mesh frame intersects with the axial direction of the fresh air inlet;

[0029] The vertex of the insertion port is point A; the position of the outer edge of the first air outlet farthest from the insertion port is point B, and the straight-line distance between point A and point B in the horizontal plane is L2; ​​the position of the interior of the fresh air hood farthest from the insertion port is point C, and the straight-line distance between point A and point C in the horizontal plane is L3;

[0030] Among them, L2≤L1≤L3.

[0031] In addition, the present invention also provides a vertical air conditioner indoor unit, comprising:

[0032] A base, for contacting the ground;

[0033] The casing is arranged on the base; the length direction of the casing is from the top of the casing to the bottom of the casing; the casing includes at least a first cavity and a second cavity, and the first cavity is located above the second cavity; the casing includes a casing air inlet, a casing air outlet and a fresh air inlet, the casing air inlet and the casing air outlet are respectively connected to the first cavity, and the fresh air inlet is connected to the second cavity; the fresh air inlet is opened at the rear side of the casing;

[0034] a heat exchanger disposed in the first chamber;

[0035] A heat exchange fan is arranged in the first cavity; the heat exchange fan is operated to introduce indoor air from the air inlet of the casing into the first cavity, and after heat exchange in the heat exchanger, the indoor air flows into the room from the air outlet of the casing;

[0036] A fresh air volute is disposed in the second cavity; the fresh air volute is formed with a volute air inlet, and the volute air inlet is disposed correspondingly to the fresh air inlet;

[0037] A fresh air fan is arranged in the fresh air volute; through the operation of the fresh air fan, outdoor fresh air is introduced into the fresh air volute from the fresh air inlet through the volute inlet, and then flows into the room from the casing outlet;

[0038] A fresh air hood is arranged in the second cavity, and the fresh air hood is located between the volute air inlet and the fresh air inlet; a first air inlet and a second air inlet are formed on the fresh air hood, the first air inlet is opened on the side wall of the fresh air hood close to the fresh air inlet and is arranged corresponding to the fresh air inlet; the second air inlet is opened on the side wall of the fresh air hood close to the volute air inlet and is arranged corresponding to the volute air inlet;

[0039] The filter screen component is arranged between the volute air inlet and the fresh air inlet; the filter screen component comprises a filter screen and a screen frame, and the filter screen is installed on the screen frame;

[0040] An insertion port is formed on the side of the housing and communicates with the interior of the fresh air cover; the mesh frame is inserted into the fresh air cover through the insertion port; the insertion direction of the mesh frame intersects with the axial direction of the fresh air inlet;

[0041] The vertex of the insertion port is point A; the position of the outer edge of the first air outlet farthest from the insertion port is point B; the position of the interior of the fresh air hood farthest from the insertion port is point C;

[0042] A plane perpendicular to the axis of the air inlet of the volute is defined as a first plane; a windward surface of the filter screen and the first plane define a second angle β;

[0043] A plane passing through a straight line between point A and point B and arranged along the height direction of the housing is defined as a third plane; the third plane and the first plane define a third angle γ;

[0044] A plane passing through the straight line between point A and point C and arranged along the height direction of the housing is defined as a fourth plane; the fourth plane and the first plane define a fourth angle δ;

[0045] Among them, δ≤β≤γ.

[0046] In addition, the present invention also provides a vertical air conditioner indoor unit, comprising:

[0047] A base, for contacting the ground;

[0048] The casing is arranged on the base; the length direction of the casing is from the top of the casing to the bottom of the casing; the casing includes at least a first cavity and a second cavity, and the first cavity is located above the second cavity; the casing includes a casing air inlet, a casing air outlet and a fresh air inlet, the casing air inlet and the casing air outlet are respectively connected to the first cavity, and the fresh air inlet is connected to the second cavity; the fresh air inlet is opened at the rear side of the casing;

[0049] a heat exchanger disposed in the first chamber;

[0050] A heat exchange fan is arranged in the first cavity; the heat exchange fan is operated to introduce indoor air from the air inlet of the casing into the first cavity, and after heat exchange in the heat exchanger, the indoor air flows into the room from the air outlet of the casing;

[0051] A fresh air volute is disposed in the second cavity; the fresh air volute is formed with a volute air inlet, and the volute air inlet is disposed correspondingly to the fresh air inlet;

[0052] A fresh air fan is arranged in the fresh air volute; through the operation of the fresh air fan, outdoor fresh air is introduced into the fresh air volute from the fresh air inlet through the volute inlet, and then flows into the room from the casing outlet;

[0053] A fresh air hood is arranged in the second cavity, and the fresh air hood is located between the volute air inlet and the fresh air inlet; the fresh air hood is formed with a first air inlet and a second air inlet, the first air inlet is formed on the side wall of the fresh air hood close to the fresh air inlet and is arranged corresponding to the fresh air inlet; the second air inlet is formed on the side wall of the fresh air hood close to the volute air inlet and is arranged corresponding to the volute air inlet;

[0054] An insertion port, which is formed on the side of the housing and communicates with the interior of the fresh air cover;

[0055] The filter component is arranged inside the fresh air cover. The filter component includes a filter and a mesh frame. The filter is installed on the mesh frame.

[0056] The filter is inserted into the fresh air cover from the insertion opening along the first trajectory;

[0057] A plane passing through the first track and arranged along the height direction of the housing is defined as a fifth plane, and the fifth plane forms a fifth angle θ with the first plane;

[0058] The fifth angle θ satisfies the relationship: 10°<θ≤20°.

[0059] In some of the embodiments, there is a distance between the side of the fresh air volute facing away from the fresh air hood and the front inner wall of the casing, and they jointly define a reserved area, and the reserved area is used to install the electrical control box and / or the heating component and / or the humidification module; the distance of the second cavity along the front-to-back direction of the casing is L5; the distance of the reserved area along the front-to-back direction of the casing is L8, the intersection of the axis of the volute air inlet and the fresh air volute away from the side of the fresh air hood is point M, and L8 is the horizontal distance between point M and the front inner wall of the casing.

[0060] in,

[0061] In some embodiments, the distance between the outer side of the side wall of the fresh air volute facing the fresh air inlet and the outer side of the side wall of the fresh air volute facing the reserved area is L6, wherein,

[0062] In some embodiments, the distance of the second cavity along the front-to-back direction of the casing is L5; the distance between the outer side of the side wall of the fresh air volute facing the fresh air inlet and the outer side of the side wall of the fresh air volute facing the reserved area is L6, and the distance between the center point of the fresh air fan and the front inner wall of the casing is L7;

[0063] in,

[0064] In some of the embodiments, a limit block is provided in the fresh air hood, the limit block is arranged corresponding to the insertion port, and the limit block and the insertion port are correspondingly located at two ends of the first track.

[0065] In addition, the present invention also provides a vertical air conditioner indoor unit, comprising:

[0066] A base, for contacting the ground;

[0067] The casing is arranged on the base; the length direction of the casing is from the top of the casing to the bottom of the casing; the casing includes at least a first cavity and a second cavity, and the first cavity is located above the second cavity; the casing includes a casing air inlet, a casing air outlet and a fresh air inlet, the casing air inlet and the casing air outlet are respectively connected to the first cavity, and the fresh air inlet is connected to the second cavity; the fresh air inlet is opened at the rear side of the casing;

[0068] a heat exchanger disposed in the first chamber;

[0069] A heat exchange fan is arranged in the first cavity; the heat exchange fan is operated to introduce indoor air from the air inlet of the casing into the first cavity, and after heat exchange in the heat exchanger, the indoor air flows into the room from the air outlet of the casing;

[0070] A fresh air volute is disposed in the second cavity; the fresh air volute is formed with a volute air inlet, and the volute air inlet is disposed correspondingly to the fresh air inlet;

[0071] A fresh air fan is arranged in the fresh air volute; through the operation of the fresh air fan, outdoor fresh air is introduced into the fresh air volute from the fresh air inlet through the volute inlet, and then flows into the room from the casing outlet;

[0072] A fresh air hood is arranged in the second cavity, and the fresh air hood is located between the volute air inlet and the fresh air inlet; the fresh air hood is formed with a first air inlet and a second air inlet, the first air inlet is formed on the side wall of the fresh air hood close to the fresh air inlet and is arranged corresponding to the fresh air inlet; the second air inlet is formed on the side wall of the fresh air hood close to the volute air inlet and is arranged corresponding to the volute air inlet;

[0073] Define a plane perpendicular to the axis of the fresh air inlet as the second plane;

[0074] The projection of the axis of the fresh air fan on the second plane is located within the projection of the fresh air inlet on the second plane, and the vertical distance between the center point of the fresh air fan and the lower surface of the base ranges from 100mm to 250mm.

[0075] In some of the embodiments, there is a distance between the side of the fresh air volute facing away from the fresh air hood and the front inner wall of the casing, and they jointly define a reserved area, and the reserved area is used to install the electric control box and / or the heating component and / or the humidification module; the distance of the second cavity along the front-to-back direction of the casing is L5, that is, the distance between the rear inner wall of the casing 1 and the front inner wall of the casing 1 is L5, the distance between the outer side of the side wall of the fresh air volute facing the fresh air inlet and the outer side of the side wall of the fresh air volute facing the reserved area is L6, the distance between the center point of the fresh air fan and the front inner wall of the casing is L7, the distance of the reserved area along the front-to-back direction of the casing is L8, the intersection of the axis of the volute air inlet and the fresh air volute away from the side of the fresh air hood is point M, and L8 is the distance between point M and the front inner wall of the casing in the horizontal direction;

[0076] in,

[0077] Based on the above technical scheme, in the embodiment of the present invention, the second plane is set at an angle to the first plane so that the fresh air volute is tilted in the second cavity, so that when the space in the second cavity is constant, a fresh air fan of a larger size can be used as soon as possible to increase the fresh air volume of the air conditioner indoor unit; the filter is set at an angle to one side of the fresh air inlet of the fresh air fan, and the windward surface of the filter is set at an angle to the first plane, while ensuring that the filter has a good filtering effect on the outdoor fresh air, the installation and removal of the filter can be facilitated, thereby increasing the fresh air volume of the vertical air conditioner indoor unit and reducing the fresh air noise. By changing the setting position of the fresh air fan in the fresh air duct, the fresh air volume can be increased and the fresh air noise can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0078] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0079] Figure 1 It is a structural schematic diagram of an embodiment of a vertical air conditioner indoor unit of the present invention;

[0080] Figure 2 It is a structural schematic diagram of another angle of an embodiment of a vertical air-conditioning indoor unit of the present invention;

[0081] Figure 3 It is a structural schematic diagram of an embodiment of a vertical air conditioner indoor unit of the present invention without an air guide plate;

[0082] Figure 4 yes Figure 3 Middle AA section view;

[0083] Figure 5 It is a structural schematic diagram of the assembly of the fresh air volute and the flow guide member in one embodiment of the vertical air conditioner indoor unit of the present invention;

[0084] Figure 6 2 is a schematic structural diagram of a fresh air volute in one embodiment of a vertical air conditioner indoor unit of the present invention;

[0085] Figure 7 It is an exploded view of a fresh air volute in one embodiment of a vertical air conditioner indoor unit of the present invention;

[0086] Figure 8 It is a structural schematic diagram of an embodiment of a vertical air conditioner indoor unit of the present invention in a half-section state;

[0087] Fig. 9 It is a structural schematic diagram of a fresh air volute in a half-section state in one embodiment of a vertical air conditioner indoor unit of the present invention;

[0088] Fig.10 It is a structural schematic diagram of a driving motor in one embodiment of a vertical air conditioner indoor unit of the present invention;

[0089] Fig.11 It is a schematic structural diagram of the assembly of the fresh air volute and the flow guide member in one embodiment of the vertical air conditioner indoor unit of the present invention;

[0090] Fig.12 It is a schematic diagram of the structure of the second chamber in one embodiment of the vertical air conditioner indoor unit of the present invention;

[0091] Fig.13 It is a structural schematic diagram of a mesh frame in one embodiment of a vertical air-conditioning indoor unit of the present invention;

[0092] Fig.14 It is a structural schematic diagram of a first volute in one embodiment of a vertical air-conditioning indoor unit of the present invention;

[0093] Fig.15 It is a structural schematic diagram of a fresh air blower in one embodiment of a vertical air conditioner indoor unit of the present invention;

[0094] Fig.16 It is a structural schematic diagram of a driving motor in one embodiment of a vertical air conditioner indoor unit of the present invention;

[0095] Fig.17 It is a schematic diagram of a first angle α and a second angle β in one embodiment of a vertical air-conditioning indoor unit of the present invention;

[0096] Fig.18 It is a structural schematic diagram of points A, B and C in one embodiment of a vertical air-conditioning indoor unit of the present invention;

[0097] Fig.19 It is a structural schematic diagram of the third plane and the fourth plane in one embodiment of the vertical air-conditioning indoor unit of the present invention;

[0098] Fig. 20 It is a structural schematic diagram of a vertical air conditioner indoor unit in one embodiment of the present invention in which a mesh frame is installed in the second cavity;

[0099] Fig.21 It is a structural schematic diagram of the fifth plane in an embodiment of a vertical air-conditioning indoor unit of the present invention.

[0100] Fig. 22 It is a structural schematic diagram of the first trajectory in an embodiment of a vertical air-conditioning indoor unit of the present invention.

[0101] Fig.23 It is a structural schematic diagram of the midline point of the fresh air fan in one embodiment of the vertical air conditioner indoor unit of the present invention.

[0102] Fig.24 It is a structural schematic diagram of the thickness of the fresh air volute in one embodiment of the vertical air conditioner indoor unit of the present invention.

[0103] In the figure:

[0104] 1. Casing; 2. Air guide plate; 3. Filter component; 4. Fresh air fan; 5. Fresh air volute; 6. Fresh air cover; 7. Driving motor; 8. Wall; 9. First plane; 10. Second plane; 20. Third plane; 30. Fourth plane; 40. Fifth plane;

[0105] 11. Casing air inlet; 12. Fresh air inlet; 13. Insertion port; 14. Casing air outlet; 15. Reserved area; 16. Base;

[0106] 31. screen frame; 311. fixing part; 312. operating part; 313. limiting part;

[0107] 41. Fan cavity;

[0108] 51. Fresh air chamber; 52. First volute; 53. Second volute; 54. Flow guide;

[0109] 511, volute air outlet;

[0110] 521, installation cavity; 522, volute connection part;

[0111] 5211, motor hole;

[0112] 531, volute air inlet;

[0113] 541. Diversion cavity.

[0114] 61. Purification room; 62. Limit block; 63. Fresh air duct;

[0115] 611, connecting port; 612, first air outlet; 613, second air outlet

[0116] 71. Motor connecting part; 72. Motor shaft. DETAILED DESCRIPTION

[0117] In order to make the purpose and implementation method of the present application clearer, the exemplary implementation method of the present application will be clearly and completely described below in conjunction with the drawings in the exemplary embodiments of the present application. Obviously, the described exemplary embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0118] It should be noted that the brief description of terms in this application is only for the convenience of understanding the embodiments described below, and is not intended to limit the embodiments of this application. Unless otherwise specified, these terms should be understood according to their common and usual meanings.

[0119] The terms "first", "second", etc. in the specification and claims of this application and the above drawings are used to distinguish similar or similar objects or entities, and do not necessarily mean to limit a specific order or sequence, unless otherwise noted. It should be understood that the terms used in this way can be interchangeable under appropriate circumstances.

[0120] The terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover but not exclude inclusion, for example, a product or device comprising a list of components is not necessarily limited to all the components expressly listed but may include other components not expressly listed or inherent to such product or device.

[0121] As attached Figure 1-Figure 24As shown, in an illustrative embodiment of a vertical air-conditioning indoor unit of the present invention, the vertical air-conditioning indoor unit is a fresh air air-conditioning unit including a fresh air module.

[0122] The directions described in the article are based on the direction in which the user faces the floor-standing air-conditioning indoor unit, wherein the left side and the right side are distinguished by the direction in which the user faces the floor-standing air-conditioning indoor unit, the side facing the user when the floor-standing air-conditioning indoor unit is in use is defined as the front side, and the side opposite thereto is defined as the rear side, and the upper and lower sides of the floor-standing air-conditioning indoor unit when it is generally working normally are defined to distinguish the up and down.

[0123] The vertical air conditioner indoor unit comprises a base 16 , a casing 1 , a heat exchanger, a heat exchange fan, a fresh air fan 4 , a fresh air volute 5 and a filter component 3 . The base 16 is used to contact the ground; the casing 1 is arranged on the top of the base 16; the length direction of the casing 1 is from the top of the casing 1 to its bottom; the interior of the casing 1 includes at least a first cavity and a second cavity, and the first cavity is located above the second cavity; the casing 1 includes a casing air inlet 11, a casing air outlet 14 and a fresh air inlet 12, the casing air inlet 11 and the casing air outlet 14 are respectively connected to the first cavity, and the fresh air inlet 12 is connected to the second cavity; the fresh air inlet 12 is opened on the rear side of the casing 1; the heat exchanger is arranged in the first cavity; the heat exchange fan is arranged in the first cavity; through the operation of the heat exchange fan, indoor air is introduced into the first cavity from the casing air inlet 11, and the indoor air flows into the room from the casing air outlet 14 after heat exchange by the heat exchanger; the fresh air volute 5 is arranged in the second cavity; the fresh air volute 5 is formed with a volute air inlet 531, and the volute air inlet 531 is connected to the fresh air inlet The outlet 12 is arranged accordingly; the fresh air fan 4 is arranged in the fresh air volute 5; through the operation of the fresh air fan 4, the outdoor fresh air is introduced into the fresh air volute 5 from the fresh air inlet 12 through the volute inlet 531, and flows into the room from the casing outlet 14; the plane perpendicular to the axis of the volute inlet 531 is defined as the first plane 9; the plane perpendicular to the axis of the fresh air inlet 12 is defined as the second plane 10, and the second plane 10 and the first plane 9 are defined to form a first angle α; the filter component 3 is arranged between the volute inlet 531 and the fresh air inlet 12; the filter component 3 includes a filter and a mesh frame 31, the filter is installed on the mesh frame 31, and the windward surface of the filter is defined to form a second angle β with the first plane 9; wherein the first angle α satisfies the relationship: 2°≤α≤20°; the second angle β satisfies the relationship: 10°<β≤20°.

[0124] It should be noted that the casing 1 is used to form the overall appearance of the vertical air conditioner indoor unit. The casing 1 has a top and a bottom. The top of the casing 1 and the bottom of the casing 1 are opposite ends, and the height direction of the casing 1 is from the top of the casing 1 to the bottom of the casing 1; the left side of the casing 1 and the right side of the casing 1 are opposite sides, and the width direction of the casing 1 is from the left side of the casing 1 to the right side of the casing 1; the front side of the casing 1 and the rear side of the casing 1 are opposite sides, and the direction from the front side of the casing 1 to the rear side of the casing 1 is the thickness direction of the casing 1. The base 16 is used to contact the ground. By setting the base 16, the base 16 is in contact with the ground, and the base 16 is used to support the casing 1 and the components installed inside the casing 1, so that the indoor unit can stand on the ground.

[0125] The interior of the casing 1 includes at least a first cavity and a second cavity, and the first cavity is located above the second cavity; the casing 1 includes a casing air inlet 11, a casing air outlet 14 and a fresh air inlet 12, the casing air inlet 11 and the casing air outlet 14 are respectively connected to the first cavity, and the fresh air inlet 12 is connected to the second cavity.

[0126] In the vertical air conditioner indoor unit, the second plane 10 is set at an angle with the first plane 9 so that the fresh air volute 5 is tilted in the second cavity. Thus, when the space in the second cavity is constant, a fresh air volute 5 of a larger size can be installed as soon as possible, so that a fresh air fan 4 of a larger specification can be installed to increase the fresh air volume of the air conditioner indoor unit. The filter is set at an angle with the first plane 9 so that the filter can be installed inside the fresh air cover 6 while ensuring the filtering effect of the filter on the outdoor fresh air, and the filter is easy to install and remove.

[0127] In addition, the present invention also provides a vertical air conditioner indoor unit including a base 16, a casing 1, a heat exchanger, a heat exchange fan, a fresh air fan 4, a fresh air volute 5, a fresh air cover 6 and a filter component 3. The base 16 is used to contact the ground; the casing 1 is arranged on the top of the base 16; the length direction of the casing 1 is from the top of the casing 1 to its bottom; the inside of the casing 1 at least includes a first cavity and a second cavity, and the first cavity is located above the second cavity; the casing 1 includes a casing air inlet 11, a casing air outlet 14 and a fresh air inlet 12, the casing air inlet 11 and the casing air outlet 14 are respectively connected to the first cavity, and the fresh air inlet 12 is connected to the second cavity; the fresh air inlet 12 is opened at the rear side of the casing 1; the heat exchanger is arranged in the first cavity; the heat exchange fan is arranged in the first cavity; through the heat exchange air The machine is running, and indoor air is introduced into the first cavity from the casing air inlet 11, and after heat exchange in the heat exchanger, it flows into the room from the casing air outlet 14; the fresh air volute 5 is arranged in the second cavity; the fresh air volute 5 is formed with a volute air inlet 531, and the volute air inlet 531 is arranged corresponding to the fresh air inlet 12; the fresh air fan 4 is arranged in the fresh air volute 5; through the operation of the fresh air fan 4, the outdoor fresh air is introduced into the fresh air volute 5 from the fresh air inlet 12 through the volute air inlet 531, and flows into the room from the casing air outlet 14; the fresh air cover 6 is arranged in the second cavity, and the fresh air The air hood 6 is located between the volute air inlet 531 and the fresh air inlet 12; the fresh air hood 6 is formed with a first air inlet and a second air inlet, the first air inlet is opened on the side wall of the fresh air hood 6 close to the fresh air inlet 12 and is arranged corresponding to the fresh air inlet 12; the second air inlet is opened on the side wall of the fresh air hood 6 close to the volute air inlet 531 and is arranged corresponding to the volute air inlet 531; the filter component 3 is arranged inside the fresh air hood 6, the filter component 3 includes a filter and a mesh frame 31, the filter is installed on the mesh frame 31, and the length of the mesh frame 31 is L1; the insertion port 13 is formed on the casing 1 and Located on the side of the casing and connected with the interior of the fresh air hood 6; the mesh frame 31 is arranged in the fresh air hood 6 by the insertion port 13; the insertion direction of the mesh frame 31 intersects with the axial direction of the fresh air inlet 12; the vertex of the insertion port 13 is point A; the position of the outer edge of the first air outlet farthest from the insertion port 13 is point B, and the straight-line distance between point A and point B in the horizontal plane is L2; ​​the position of the interior of the fresh air hood 6 farthest from the insertion port 13 is point C, and the straight-line distance between point A and point C in the horizontal plane is L3; L1, L2, and L3 satisfy the relationship: L2≤L1≤L3.

[0128] It should be noted that the casing 1 is used to form the overall appearance of the vertical air conditioner indoor unit. The casing 1 has a top and a bottom. The top of the casing 1 and the bottom of the casing 1 are opposite ends, and the height direction of the casing 1 is from the top of the casing 1 to the bottom of the casing 1; the left side of the casing 1 and the right side of the casing 1 are opposite sides, and the width direction of the casing 1 is from the left side of the casing 1 to the right side of the casing 1; the front side of the casing 1 and the rear side of the casing 1 are opposite sides, and the direction from the front side of the casing 1 to the rear side of the casing 1 is the thickness direction of the casing 1. The base 16 is used to contact the ground. By setting the base 16, the base 16 is in contact with the ground, and the base 16 is used to support the casing 1 and the components installed inside the casing 1, so that the indoor unit can stand on the ground.

[0129] The interior of the casing 1 includes at least a first cavity and a second cavity, and the first cavity is located above the second cavity; the casing 1 includes a casing air inlet 11, a casing air outlet 14 and a fresh air inlet 12, the casing air inlet 11 and the casing air outlet 14 are respectively connected to the first cavity, and the fresh air inlet 12 is connected to the second cavity.

[0130] In the vertical air conditioner indoor unit, by making L2≤L1≤L3, the filter can be arranged in the fresh air cover 6 and can effectively filter the outdoor fresh air entering the second chamber through the volute air inlet 12. And by setting the filter at an angle with the first plane 9, the filter can be installed in the fresh air cover 6 while ensuring the filtering effect of the filter on the outdoor fresh air, and it is convenient to install and remove the filter.

[0131] In addition, the present invention also provides a vertical air conditioner indoor unit including a base 16, a casing 1, a heat exchanger, a heat exchange fan, a fresh air fan 4, a fresh air volute 5, a fresh air cover 6 and a filter component 3. The base 16 is used to contact the ground; the casing 1 is arranged on the top of the base 16; the length direction of the casing 1 is from the top of the casing 1 to its bottom; the inside of the casing 1 includes at least a first cavity and a second cavity, and the first cavity is located above the second cavity; the casing 1 includes a casing air inlet 11, a casing air outlet 14 and a fresh air inlet 12, the casing air inlet 11 and the casing air outlet 14 are respectively connected to the first cavity, and the fresh air inlet 12 is connected to the second cavity; the fresh air inlet 12 is opened at the rear side of the casing 1; the heat exchanger is arranged at the first cavity. a chamber; a heat exchange fan is arranged in the first chamber; by the operation of the heat exchange fan, indoor air is introduced into the first chamber from the casing air inlet 11, and after heat exchange in the heat exchanger, it flows into the room from the casing air outlet 14; a fresh air volute 5 is arranged in the second chamber; the fresh air volute 5 is formed with a volute air inlet 531, and the volute air inlet 531 is arranged corresponding to the fresh air inlet 12; a fresh air fan 4 is arranged in the fresh air volute 5; by the operation of the fresh air fan 4, the outdoor fresh air is introduced from the fresh air inlet 12 through the volute air inlet 5 31 introduces fresh air into the volute 5, and flows into the room through the casing air outlet 14; the fresh air cover 6 is arranged in the second cavity, and the fresh air cover 6 is located between the volute air inlet 531 and the fresh air inlet 12; the fresh air cover 6 is formed with a first air inlet and a second air inlet, the first air inlet is opened on the side wall of the fresh air cover 6 close to the fresh air inlet 12 and is arranged corresponding to the fresh air inlet 12; the second air inlet is opened on the side wall of the fresh air cover 6 close to the volute air inlet 531 and is arranged corresponding to the volute air inlet 531; the filter part The filter element 3 is arranged between the volute air inlet 531 and the fresh air inlet 12; the filter element 3 includes a filter and a mesh frame 31, and the filter is installed on the mesh frame 31; the insertion port 13 is formed on the housing 1 and is connected to the inside of the fresh air cover 6; the mesh frame 31 is arranged in the fresh air cover 6 through the insertion port 13; the insertion direction of the mesh frame 31 intersects with the axial direction of the fresh air inlet 12; the vertex of the insertion port 13 is point A; the position farthest from the outer edge of the first air outlet to the insertion port 13 is point B; the distance from the inside of the fresh air cover 6 to the insertion port 13 is 3 is the farthest position as point C; the plane perpendicular to the axis of the volute air inlet 531 is defined as the first plane 9; the windward surface of the filter screen and the first plane 9 define a second angle β; the plane passing through the straight line between point A and point B and arranged along the height direction of the casing 1 is defined as the third plane 20; the third plane 20 and the first plane 9 define a third angle γ; the plane passing through the straight line between point A and point C and arranged along the height direction of the casing 1 is defined as the fourth plane 30; the fourth plane 30 and the first plane 9 define a fourth angle δ; δ, β and γ satisfy the relationship: δ≤β≤γ.

[0132] It should be noted that the casing 1 is used to form the overall appearance of the vertical air conditioner indoor unit. The casing 1 has a top and a bottom. The top of the casing 1 and the bottom of the casing 1 are opposite ends, and the height direction of the casing 1 is from the top of the casing 1 to the bottom of the casing 1; the left side of the casing 1 and the right side of the casing 1 are opposite sides, and the width direction of the casing 1 is from the left side of the casing 1 to the right side of the casing 1; the front side of the casing 1 and the rear side of the casing 1 are opposite sides, and the direction from the front side of the casing 1 to the rear side of the casing 1 is the thickness direction of the casing 1. The base 16 is used to contact the ground. By setting the base 16, the base 16 is in contact with the ground, and the base 16 is used to support the casing 1 and the components installed inside the casing 1, so that the indoor unit can stand on the ground.

[0133] The interior of the casing 1 includes at least a first cavity and a second cavity, and the first cavity is located above the second cavity; the casing 1 includes a casing air inlet 11, a casing air outlet 14 and a fresh air inlet 12, the casing air inlet 11 and the casing air outlet 14 are respectively connected to the first cavity, and the fresh air inlet 12 is connected to the second cavity.

[0134] In the above-mentioned vertical air-conditioning indoor unit, by making δ≤β≤γ, the filter can be installed inside the fresh air cover 6 while ensuring the filtering effect of the filter on the outdoor fresh air entering the second chamber through the volute air inlet 12, and it is convenient to install and remove the filter.

[0135] In addition, the present invention also provides a vertical air conditioner indoor unit including a base 16, a casing 1, a heat exchanger, a heat exchange fan, a fresh air fan 4, a fresh air volute 5, a fresh air cover 6 and a filter component 3. The base 16 is used to contact the ground; the casing 1 is arranged on the top of the base 16; the length direction of the casing 1 is from the top of the casing 1 to its bottom; the inside of the casing 1 includes at least a first cavity and a second cavity, and the first cavity is located above the second cavity; the casing 1 includes a casing air inlet 11, a casing air outlet 14 and a fresh air inlet 12, the casing air inlet 11 and the casing air outlet 14 are respectively connected to the first cavity, and the fresh air inlet 12 is connected to the second cavity; the fresh air inlet 12 is opened on the rear side of the casing 1; the heat exchanger is arranged The heat exchange fan is arranged in the first cavity; the indoor air is introduced into the first cavity through the casing air inlet 11 by the operation of the heat exchange fan, and after heat exchange in the heat exchanger, it flows into the room through the casing air outlet 14; the fresh air volute 5 is arranged in the second cavity; the fresh air volute 5 is formed with a volute air inlet 531, and the volute air inlet 531 is arranged corresponding to the fresh air inlet 12; the fresh air fan 4 is arranged in the fresh air volute 5; the outdoor fresh air is introduced from the fresh air inlet 12 through the volute through the operation of the fresh air fan 4 The air inlet 531 introduces fresh air into the interior of the volute 5, and flows into the room through the casing air outlet 14; the fresh air hood 6 is arranged in the second cavity, and the fresh air hood 6 is located between the volute air inlet 531 and the fresh air inlet 12; the fresh air hood 6 is formed with a first air inlet and a second air inlet, the first air inlet is formed on the side wall of the fresh air hood 6 close to the fresh air inlet 12 and is arranged corresponding to the fresh air inlet 12; the second air inlet is formed on the side wall of the fresh air hood 6 close to the volute air inlet 531 and is arranged corresponding to the volute air inlet 531 The insertion port 13 is formed in the casing 1 and is connected to the interior of the fresh air hood 6; the filter component 3 is arranged inside the fresh air hood 6, the filter component 3 includes a filter and a mesh frame 31, the filter is installed on the mesh frame 31, and the filter is inserted into the fresh air hood 6 along the first trajectory from the insertion port 13; the plane passing through the first trajectory and arranged along the height direction of the casing 1 is defined as the fifth plane 40, and the fifth plane 40 forms a fifth angle 0 with the first plane 9; wherein the fifth angle θ satisfies the relationship: 10°<θ≤20°.

[0136] In the above-mentioned vertical air-conditioning indoor unit, by making 10°<θ≤20°, the filter can be installed inside the fresh air cover 6 while ensuring the filtering effect of the filter on the outdoor fresh air, and it is convenient to install and remove the filter.

[0137] It should be noted that the casing 1 is used to form the overall appearance of the vertical air conditioner indoor unit. The casing 1 has a top and a bottom. The top of the casing 1 and the bottom of the casing 1 are opposite ends, and the height direction of the casing 1 is from the top of the casing 1 to the bottom of the casing 1; the left side of the casing 1 and the right side of the casing 1 are opposite sides, and the width direction of the casing 1 is from the left side of the casing 1 to the right side of the casing 1; the front side of the casing 1 and the rear side of the casing 1 are opposite sides, and the direction from the front side of the casing 1 to the rear side of the casing 1 is the thickness direction of the casing 1. The base 16 is used to contact the ground. By setting the base 16, the base 16 is in contact with the ground, and the base 16 is used to support the casing 1 and the components installed inside the casing 1, so that the indoor unit can stand on the ground.

[0138] The interior of the casing 1 includes at least a first cavity and a second cavity, and the first cavity is located above the second cavity; the casing 1 includes a casing air inlet 11, a casing air outlet 14 and a fresh air inlet 12, the casing air inlet 11 and the casing air outlet 14 are respectively connected to the first cavity, and the fresh air inlet 12 is connected to the second cavity.

[0139] Furthermore, a distance is provided between the side of the fresh air volute 5 facing away from the fresh air cover 6 and the front inner wall of the casing 1, and the reserved area 15 is defined together, and the reserved area 15 is used to install the electric control box and / or the heating component and / or the humidification module; the distance of the second cavity along the front-to-back direction of the casing 1 is L5; L5 is the maximum distance between the front inner wall of the second cavity and the rear inner wall of the second cavity; the distance of the reserved area 15 along the front-to-back direction of the casing 1 is L8. It should be noted that, if Fig.24 As shown, the intersection of the axis of the volute air inlet and the fresh air volute away from the fresh air cover is point M, and the above L8 is the distance between point M and the front inner wall of the casing in the horizontal direction, that is, the distance of the reserved area 15 along the front and rear direction of the casing 1; wherein,

[0140] Furthermore, the distance between the outer side wall of the fresh air volute 5 facing the fresh air inlet 12 and the outer side wall of the fresh air volute 5 facing the reserved area 15 is L6, wherein:

[0141] Furthermore, the distance of the second cavity along the front-to-back direction of the casing 1 is L5; the distance between the outer side wall of the fresh air volute 5 toward the fresh air inlet 12 and the outer side wall of the fresh air volute 5 toward the reserved area 15 is L6, and the distance between the center point D of the fresh air fan 4 and the front inner wall of the casing 1 is L7; wherein,

[0142] Furthermore, a limit block is provided in the fresh air hood 6, and the limit block is provided corresponding to the insertion port 13, and the limit block and the insertion port 13 are correspondingly located at two ends of the first track.

[0143] In addition, the present invention also provides a vertical air conditioner indoor unit base 16, housing 1, heat exchanger, heat exchange fan, fresh air fan 4, fresh air volute 5, fresh air cover 6 and filter component 3. The base 16 is used to contact the ground; the housing 1 is arranged on the top of the base 16; the length direction of the housing 1 is from the top of the housing 1 to its bottom; the interior of the housing 1 includes at least a first cavity and a second cavity, and the first cavity is located above the second cavity; the housing 1 includes a housing air inlet 11, a housing air outlet 14 and a fresh air inlet 12, the housing air inlet 11 and the housing air outlet 14 are respectively connected to the first cavity, and the fresh air inlet 12 is connected to the second cavity; the fresh air inlet 12 is opened The heat exchanger is arranged at the rear side of the casing 1; the heat exchanger is arranged in the first cavity; the heat exchange fan is arranged in the first cavity; the indoor air is introduced into the first cavity from the casing air inlet 11 through the operation of the heat exchange fan, and after heat exchange by the heat exchanger, it flows into the room from the casing air outlet 14; the fresh air volute 5 is arranged in the second cavity; the fresh air volute 5 is formed with a volute air inlet 531, and the volute air inlet 531 is arranged corresponding to the fresh air inlet 12; the fresh air fan 4 is arranged in the fresh air volute 5; through the fresh air The fan 4 is running, and outdoor fresh air is introduced into the fresh air volute 5 from the fresh air inlet 12 through the volute air inlet 531, and flows into the room from the casing air outlet 14; the fresh air hood 6 is arranged in the second cavity, and the fresh air hood 6 is located between the volute air inlet 531 and the fresh air inlet 12; the fresh air hood 6 is formed with a first air inlet and a second air inlet, the first air inlet is formed on the side wall of the fresh air hood 6 close to the fresh air inlet 12 and is arranged corresponding to the fresh air inlet 12; the second air inlet is formed on the side wall of the fresh air hood 6 close to the volute air inlet 531 and is arranged corresponding to the volute air inlet 531; the plane perpendicular to the axis of the fresh air inlet 12 is defined as the second plane 10; the projection of the axis of the fresh air fan 4 on the second plane 10 is located within the projection of the fresh air inlet 12 on the second plane 10, and the vertical distance between the center point D of the fresh air fan 4 and the lower surface of the base 16 ranges from 100mm to 250mm.

[0144] In the above-mentioned vertical air-conditioning indoor unit, the projection of the axis of the fresh air fan 4 on the second plane 10 is located within the projection of the fresh air inlet 12 on the second plane 10, so that the fresh air fan 4 and the fresh air inlet 12 are arranged correspondingly, so that the fresh air fan 4 can effectively drive the fresh air inlet 12 to enter the second cavity to move the outdoor fresh air.

[0145] Furthermore, there is a distance between the side of the fresh air volute 5 facing away from the fresh air hood 6 and the front inner wall of the casing 1, and they jointly define a reserved area 15, and the reserved area 15 is used to install the electric control box and / or the heating component and / or the humidification module; the distance of the second cavity along the front-to-back direction of the casing 1 is L5, that is, the distance between the rear inner wall of the casing 11 and the front inner wall of the casing 11 is L5, the distance between the outer side of the side wall of the fresh air volute 5 facing the fresh air inlet 12 and the outer side of the side wall of the fresh air volute 5 facing the reserved area 15 is L6, the distance between the center point D of the fresh air fan 4 and the front inner wall of the casing 1 is L7, the distance of the reserved area 15 along the front-to-back direction of the casing 1 is L8, the intersection of the axis of the volute air inlet and the fresh air volute away from the side of the fresh air hood is point M, and the above-mentioned L8 is the distance between point M and the front inner wall of the casing in the horizontal direction, that is, the distance of the reserved area 15 along the front-to-back direction of the casing 1; wherein, The structure of the vertical air conditioner indoor unit and the layout of some components will be introduced in detail below.

[0146] like Figure 1-Figure 3 As shown, the casing 1 is used to form the overall appearance of the vertical air-conditioning indoor unit. The casing 1 has a top and a bottom. The top of the casing 1 and the bottom of the casing 1 are opposite ends, and the direction from the top of the casing 1 to the bottom of the casing 1 is the height direction of the casing 1; the left side of the casing 1 and the right side of the casing 1 are opposite sides, and the direction from the left side of the casing 1 to the right side of the casing 1 is the width direction of the casing 1; the front side of the casing 1 and the rear side of the casing 1 are opposite sides, and the direction from the front side of the casing 1 to the rear side of the casing 1 is the thickness direction of the casing 1.

[0147] The housing 1 is connected to a base 16, and the housing 1 is arranged on the top of the base 16, and the base 16 is used to contact the ground. By setting the base 16, the base 16 is in contact with the ground, and the housing 1 and the components installed inside the housing 1 are supported by the base 16, so that the indoor unit can stand on the ground.

[0148] The interior of the casing 1 includes at least a first cavity and a second cavity, and the first cavity is located above the second cavity; the casing 1 includes a casing air inlet 11, a casing air outlet 14 and a fresh air inlet 12, the casing air inlet 11 and the casing air outlet 14 are respectively connected to the first cavity, and the fresh air inlet 12 is connected to the second cavity.

[0149] A heat exchange air duct is defined in the first cavity, a heat exchanger is installed in the heat exchange air duct, the heat exchanger is installed in the housing 1, and the heat exchanger is used to heat the indoor air in the heat exchange air duct to form air conditioning air; a heat exchange fan is also installed in the first cavity, the heat exchange fan is installed in the housing 1, and is used to provide power for air flow. Through the combined action of the heat exchanger and the heat exchange fan, outdoor air is introduced into the housing 1 for cooling or heating, thereby achieving a comfortable temperature for the user.

[0150] An air outlet duct is also defined in the first cavity, and the air outlet duct is interconnected with the heat exchange duct, so that air conditioning air formed by heat exchange in the heat exchanger flows into the room through the air outlet duct.

[0151] The heat exchange duct is connected to the air inlet 11 of the housing, and the air outlet duct is connected to the air outlet 14 of the housing. When the heat exchange fan is running, the indoor air enters the heat exchange duct from the air inlet 11 of the housing, undergoes heat exchange treatment in the heat exchanger to form conditioned air, and then flows into the room through the air outlet 14 of the housing through the air outlet duct. It should be noted that the conditioned air may be hot air, cold air, or even normal temperature air.

[0152] The heat exchanger is disposed close to the casing air inlet 11 so that the heat exchanger can timely perform heat exchange processing on the indoor air entering the casing 1 through the casing air inlet 11 to increase the heat exchange effect of the heat exchanger.

[0153] It should be noted that, in this embodiment, the heat exchange fan is located at the rear side of the heat exchanger, and the heat exchange fan is a cross-flow fan, and the axial direction of the cross-flow fan is arranged along the height direction of the casing 1. Through the operation of the heat exchange fan, the indoor air outside the casing 1 is introduced into the heat exchange air duct from the casing air inlet 11, and after heat exchange by the heat exchanger to form air-conditioning air, it enters the air outlet duct and flows into the room from the casing air outlet 14 to realize the cooling or heating function of the air-conditioning indoor unit.

[0154] Since the indoor unit of a vertical air conditioner is usually placed on the ground, in actual applications, in order to prevent the indoor unit of the vertical air conditioner from interfering with user activities, the indoor unit of the vertical air conditioner is usually placed in a corner or away from the user activity area. This results in the rear side of the casing 1 usually being arranged toward the wall 8, but since the casing air inlet 11 is located at the rear side of the casing 1, the rear side of the casing 1 usually needs to be spaced from the wall 8 so that indoor air can enter the interior of the casing 1 through the casing air inlet 11.

[0155] Outdoor fresh air flows from the housing air outlet 14 to the indoor user activity area. Therefore, in some embodiments, the housing air outlet 14 is usually opened at the front side of the housing 1 or at the left and right sides of the housing 1. It should be noted that in this embodiment, the housing air inlet 11 and the housing air outlet 14 are correspondingly opened at the opposite sides of the housing 1, wherein the housing air inlet 11 is opened at the rear side of the housing 1, and the housing air outlet 14 is opened at the front side of the housing 1.

[0156] Since the fresh air outlet 12 needs to be connected to the outdoors to introduce outdoor fresh air into the room, in this embodiment, the fresh air inlet 12 is usually also opened on the rear side of the casing 1. On the one hand, the front side of the casing 1 can maintain its aesthetic appearance. On the other hand, opening the fresh air inlet 12 on the rear side of the casing 1 can facilitate the connection of the fresh air outlet 12 with the outdoors.

[0157] like Figure 1As shown, the housing 1 is rotatably connected with an air guide plate 2, which is located at the housing air outlet 14, and is used to close or open the housing air outlet 14. When the vertical air conditioner indoor unit is working, the air guide plate 2 opens the housing air outlet 14; when the vertical air conditioner indoor unit is not working, the air guide plate 2 closes the housing air outlet 14. The air guide plate 2 can not only close the housing air outlet 14 when the vertical air conditioner indoor unit is not working, thereby improving the aesthetics of the vertical air conditioner indoor unit, but also prevent dust and the like from entering the interior of the housing 1 through the housing air outlet 14, thereby maintaining the cleanliness of the interior of the housing 1.

[0158] like Figure 4 As shown, a fresh air module for introducing outdoor fresh air is provided in the second cavity; the fresh air module includes a fresh air volute 5 and a fresh air fan 4; wherein, the fresh air volute 5 is installed inside the casing 1, a fresh air cavity 51 is defined in the fresh air volute 5, and the fresh air fan 4 is installed in the fresh air cavity 51, and the fresh air fan 4 is operated to introduce outdoor fresh air into the fresh air cavity 51.

[0159] The fresh air chamber 51 is connected to the volute air outlet 511 and the volute air inlet 531. The windward side of the fresh air fan 4 is arranged toward the volute air inlet 531. The volute air outlet 511 is connected to the air outlet duct, so that the outdoor fresh air flows from the volute air outlet 511 to the air outlet duct, and then flows from the air outlet duct to the room.

[0160] Specifically, through the operation of the fresh air fan 4, outdoor fresh air is introduced into the fresh air chamber 51 through the volute air inlet 531, then flows into the air outlet duct through the volute air outlet 511, and finally flows into the room through the casing air outlet 14.

[0161] like Figure 6-Figure 8 As shown, the fresh air volute 5 includes a first volute 52 and a second volute 53. The first volute 52 and the second volute 53 are arranged opposite to each other and jointly define a fresh air cavity 51; the first volute 52 is arranged close to the front inner wall of the casing 1, and the second volute 53 is arranged close to the rear inner wall of the casing 1 and toward the fresh air inlet 12.

[0162] The first volute 52 and the second volute 53 define a volute air outlet 511 , which is arranged upward and communicated with the air outlet duct. The second volute 53 is provided with a volute air inlet 531 , which is arranged corresponding to the fresh air inlet 12 .

[0163] Through the operation of the fresh air fan 4, outdoor fresh air is introduced into the fresh air chamber 51 through the volute air inlet 531, then flows into the air outlet duct through the volute air outlet 511, and finally flows into the room through the casing air outlet 14.

[0164] Since the fresh air volute 5 is installed in the second cavity, the thickness of the fresh air volute 5 is smaller than the thickness of the second cavity. The thickness of the fresh air volute 5 is the distance between the side of the second volute 53 facing the fresh air inlet 12 and the side of the first volute 52 facing the reserved area 15. The thickness of the second cavity is the distance between the rear inner wall of the casing and the front inner wall of the casing along the thickness direction of the casing.

[0165] The distance of the second cavity along the thickness direction of the casing 1 is L5, the thickness of the fresh air volute 5 is L6, and L5 and L6 satisfy the relationship:

[0166] Since the fresh air fan 4 is installed in the fresh air cavity 51, the thickness of the fresh air fan 4 is less than the thickness of the fresh air volute 5. In practical applications, the size of L6 is usually 70mm-120mm, and the thickness of the fresh air fan 4 is 60mm-100mm. It should be noted that the thickness of the fresh air fan 4 is usually the distance from the side of the fresh air fan 4 facing the second volute 53 to the side of the fresh air fan 4 facing the first volute 52. It should also be noted that there is a certain distance between the fresh air fan 4 and the corresponding side walls of the fresh air volute 5 to prevent the fresh air fan 4 from colliding with the inner wall of the fresh air volute 5 when running, thereby ensuring the safe operation of the fresh air fan 4.

[0167] A plane perpendicular to the axis of the volute air inlet 531 is defined as a first plane 9; a plane perpendicular to the axis of the fresh air inlet 12 is defined as a second plane 10, and the second plane 10 and the first plane 9 define a first angle α; the first angle α satisfies the relationship: 2°≤α≤20°.

[0168] By defining the second plane 10 and the first plane 9 to form a first angle α, the fresh air volute 5 is tiltedly arranged in the second cavity along the length direction of the casing 1, thereby increasing the space of the reserved area 15, and allowing more components or larger-sized components to be installed in the reserved area 15. Moreover, when the volume of the second cavity and the reserved area 15 is constant, the fresh air volute 5 is tiltedly arranged so that a larger-sized fresh air volute 5 can be installed in the second cavity, thereby increasing the specifications of the fresh air fan 4, thereby increasing the power of the fresh air fan 4 to introduce outdoor fresh air, and increasing the effect of introducing outdoor fresh air into the vertical air conditioner indoor unit.

[0169] In some embodiments, the volute air inlet 531 is a grille opening. By designing the volute air inlet 531 as a grille opening, the fresh air blower 4 in the fresh air cavity 51 can be protected.

[0170] Since the vertical air conditioner indoor unit also includes an electric control module for controlling the operation of components such as the heat exchanger, the heat exchange fan and the fresh air fan 4, and some other vertical air conditioner indoor units also include a heating component humidification module, etc., so that the air-conditioned air blown out by the vertical air conditioner indoor unit and / or the outdoor fresh air can be more suitable for the human body, the vertical air conditioner indoor unit needs to pre-set a certain space for the electric control module and / or the heating component and / or the humidification module, etc. It should be noted that the electric control module is usually placed in an electric control box, and the electric control box can be used to install and fix the electric control module, etc., so that the electric control module can better control the operation of components such as the heat exchanger, the heat exchange fan and the fresh air fan 4.

[0171] In this embodiment, the reserved area 15 is located in the second cavity, and there is a distance between the side of the first volute 52 facing away from the second volute 53 and the front inner wall of the casing 1, and they jointly define the reserved area 15, and the reserved area 15 is used to install the electrical control box and / or the heating component and / or the humidification module.

[0172] Since the reserved area 15 is located in the second cavity, the distance of the reserved area 15 along the front-to-back direction of the housing 1 is less than the thickness of the second cavity. The distance of the reserved area 15 along the front-to-back direction of the housing 1 is L8, where: It should be noted that the intersection of the axis of the volute air inlet and the fresh air volute away from the fresh air hood is point M. The above-mentioned L8 is the horizontal distance between point M and the front inner wall of the casing, that is, the distance of the reserved area 15 along the front and rear direction of the casing 1.

[0173] Since the reserved area 15 and the fresh air volute 5 are both in the second cavity, the sum of the distance of the reserved area 15 along the front-to-back direction of the casing 1 and the thickness of the fresh air volute 5 is less than the thickness of the second cavity, that is,

[0174] The vertical distance between the center point D of the fresh air fan 4 and the lower surface of the base 16 ranges from 100 mm to 250 mm.

[0175] It should be noted that, in other embodiments, the vertical distance between the center point D of the fresh air fan 4 and the lower surface of the base 16 ranges from 100 mm to 200 mm.

[0176] Since the fresh air blower 4 is located at the rear side of the reserved area 15 along the thickness direction of the casing 1 , the distance between the fresh air blower 4 and the front inner wall of the casing 1 is far from the distance between the first volute 53 and the front inner wall of the casing 1 .

[0177] The distance between the center point D of the fresh air fan 4 and the front inner wall of the casing 1 is L7, where:

[0178] The center point D of the fresh air fan 4 is arranged corresponding to the fresh air inlet 12, that is, the projection of the axis of the fresh air fan 4 on the second plane 10 is located within the projection of the fresh air inlet 12 on the second plane 10, so that the axis of the fresh air fan 4 and the axial direction of the fresh air inlet 12 are on the same horizontal line or approximately on the same horizontal line, so that the outdoor fresh air entering the second cavity through the fresh air inlet 12 can contact the fresh air fan 4 as soon as possible, thereby increasing the efficiency of the fresh air fan 4 in introducing outdoor fresh air.

[0179] like Figure 6 and Fig.11 As shown, the fresh air fan 4 is connected to a drive motor 7 , which is installed on the first volute 52 and located outside the fresh air cavity 51 , and is used to drive the fresh air fan 4 to operate.

[0180] In some embodiments, Fig.14 As shown, the first volute 52 defines a mounting cavity 521, and the drive motor 7 is mounted in the mounting cavity 521. The mounting cavity 521 includes a mounting cavity opening, which is arranged in a direction away from the first volute 52, and the drive motor 7 is arranged in the mounting cavity 521 through the mounting cavity opening.

[0181] In some embodiments, the installation cavity 521 also includes a motor hole 5211, which is opened in the first volute 52 and is located on the inner wall of the installation cavity 521 on the opposite side of the installation cavity opening; the installation cavity 521 is connected to the fresh air cavity 51 through the motor hole 5211; the motor shaft 72 of the drive motor 7 passes through the motor hole 5211 and extends into the fresh air cavity 51 to be connected to the fresh air fan 4, so as to realize the drive motor 7 to drive the fresh air fan 4 to operate.

[0182] In some embodiments, Fig.14 and Fig.16 As shown, the drive motor 7 is provided with a motor connection portion 71, and the first volute 52 is provided with a volute connection portion 522, the volute connection portion 522 is located at the outer edge of the installation cavity opening, and the volute connection portion 522 is arranged corresponding to the motor connection portion 71. The volute connection portion 522 and the motor connection portion 71 are respectively provided with connection holes, and fasteners such as bolts or screws are simultaneously arranged in the connection holes of the volute connection portion 522 and the connection holes of the motor connection portion 71, so that the drive motor 7 is fixedly connected to the first volute 52, and the drive motor 7 is installed in the installation cavity 521.

[0183] In other embodiments, the volute connection part 522 is configured as a plurality, and the plurality of volute connection parts 522 are evenly distributed along the outer edge of the installation cavity opening. Correspondingly, the motor connection part 71 is also configured as a plurality, and the plurality of motor connection parts 71 are arranged one-to-one with the plurality of volute connection parts 522 to increase the firmness of the connection between the drive motor 7 and the first volute 52.

[0184] In some embodiments, the installation cavity 521 is formed by the first volute 52 protruding toward the fresh air cavity 51, resulting in a protrusion formed on the side of the first volute 52 facing the fresh air cavity 51, and the protrusion is located in the fresh air cavity 51 and is arranged corresponding to the installation cavity 521.

[0185] Although the method of forming the installation cavity 521 by protruding the first volute 52 toward the fresh air cavity 51 is simple and easy to operate, the space of the fresh air cavity 51 becomes smaller due to the formation of the protrusion in the fresh air cavity 51. If the thickness of the fresh air fan 4 remains unchanged, the volume of the fresh air cavity 51 increases, and the increase in the volume of the fresh air cavity 51 will cause the volume of the second cavity to increase. When the volume of the second cavity remains unchanged, the thickness of the fresh air fan 4 that can be installed in the fresh air cavity 51 becomes smaller. The reduction in the thickness of the fresh air fan 4 will reduce the effect of the fresh air fan 4 introducing outdoor fresh air, resulting in a weakened effect of the indoor unit of the vertical air conditioner introducing outdoor fresh air.

[0186] In order to solve the above problems, Fig.15 As shown, the fresh air fan 4 is provided with a fan cavity 41, and the fan cavity 41 includes a fan cavity opening arranged toward the first volute 52, and the protrusion is located in the fan cavity 41 from the fan cavity opening. By providing the fan cavity 41 in the fresh air fan 4, the fan cavity 41 is used to accommodate the protrusion for forming the installation cavity 521, so as to reduce the space occupied by the protrusion in the second cavity. When the thickness of the fresh air fan 4 remains unchanged, the size of the fresh air volute 5 and the fresh air fan 4 after assembly is reduced, so that the overall structure is compact and convenient for arrangement. When the volume of the second cavity remains unchanged, the fresh air fan 4 with a larger thickness can be installed in the fresh air cavity 51.

[0187] Since there may be large particles of dust, impurities, etc. in the outdoor air, the vertical air conditioner indoor unit also includes a filter component 3, which is arranged in the second cavity and between the side of the second volute 53 away from the first volute 52 and the fresh air inlet 12 to filter the outdoor fresh air entering the fresh air cavity 51 to prevent impurities, large particles of dust, etc. from entering the room.

[0188] The filter component 3 includes a filter and a mesh frame 31. The filter is arranged along a vertical plane and mounted on the mesh frame 31. It should be noted that the windward side of the filter is arranged toward the fresh air inlet 12. The outdoor fresh air entering the second cavity from the fresh air inlet 12 is filtered by the filter and then enters the fresh air cavity 51.

[0189] Since the filter component 3 needs to be cleaned regularly, the filter component 3 is detachably connected to the casing 1 to facilitate the removal and installation of the filter component 3.

[0190] In order to facilitate the removal and installation of the filter component 3, the housing 1 is provided with an insertion port 13, and the filter component 3 can be arranged in the second cavity through the insertion port 13 to achieve the installation of the filter component 3; or the filter component 3 leaves the second cavity through the insertion port 13 to achieve the removal of the filter component 3.

[0191] Since the windward surface of the filter needs to intersect with the axis of the fresh air inlet 12, the filter can effectively filter the outdoor fresh air entering the purification chamber 61 from the fresh air outlet 12. Therefore, the length of the mesh frame 31 must be greater than the maximum distance between the fresh air inlet 12 and the insertion port 13.

[0192] Since the fresh air inlet 12 is opened on the rear side of the casing 1, and the rear side of the casing 1 faces the wall 8, in order to facilitate the installation and removal of the filter component 3, the insertion port 13 is set on the side wall of the casing 1 facing the user, and the insertion direction of the mesh frame 31 intersects with the axial direction of the fresh air inlet 12 to facilitate the user to install and remove the filter.

[0193] Specifically, the windward surface of the filter screen and the first plane 9 define a second angle β; the second angle β satisfies the relationship: 10°<β≤20°.

[0194] A fresh air hood 6 is provided in the second cavity, and the fresh air hood 6 is used to install the filter component 3; the fresh air hood 6 is located between the volute air inlet 531 and the fresh air inlet 12; the fresh air hood 6 is formed with a first air outlet 612 and a second air outlet 613, the first air outlet 612 is formed on the side wall of the fresh air hood 6 close to the fresh air inlet 12 and is arranged corresponding to the fresh air inlet 12; the second air outlet 613 is formed on the side wall of the fresh air hood 6 close to the volute air inlet 531 and is arranged corresponding to the volute air inlet 531; the fresh air hood 6 is also provided with a connecting port 611, and the connecting port 611 is arranged corresponding to the insertion port 13, so that the net frame 31 can be inserted into the fresh air hood 6 from the insertion port 13 through the connecting port 611.

[0195] In some embodiments, the fresh air hood 6 is connected to a fresh air duct 63, which is located at the first air outlet 612. The fresh air duct 63 passes through the fresh air inlet 12 and is connected to the outdoors, so that the outdoor air can enter the purification chamber 61 through the fresh air duct 63, and after being filtered by the filter, enter the fresh air duct through the second air outlet 613, through the volute air inlet 531, and then enter the heat exchange air duct through the volute air outlet 511, and finally flow into the room through the casing air outlet 14.

[0196] In other embodiments, the first air outlet 612 is directly connected to the fresh air inlet 12, so that outdoor air can enter the purification chamber 61 from the fresh air inlet 12 and the first air outlet 612 in sequence, and after being filtered by the filter, enter the fresh air duct from the second air outlet 613 through the volute air inlet 531, and then enter the heat exchange air duct from the volute air outlet 511, and finally flow into the room from the casing air outlet 14.

[0197] It should be noted that the first air outlet 612 is connected to the fresh air duct 63, and the fresh air duct 63 is connected to the outdoors through the fresh air inlet 12, or the first air outlet 612 is directly connected to the fresh air inlet 12, both of which are a form of connection between the first air outlet 612 and the outdoors. The function of the fresh air inlet 12 is mainly to give way, so that the outdoor fresh air can pass through the inner wall of the casing 1 into the purification chamber 61. This is common knowledge in the field and will not be elaborated.

[0198] Since the filter component 3 is arranged in the purification chamber 61, the length of the mesh frame 31 must be smaller than the farthest distance from the inner wall of the fresh air hood 6 to the insertion port 13, and the length of the mesh frame 31 must be larger than the farthest distance from the outer edge of the first air outlet 612 to the insertion port 13, so that the mesh frame 31 can be arranged in the purification chamber 61 and at the same time effectively purify the outdoor fresh air entering the purification chamber 61 from the first air outlet 612.

[0199] Specifically, the length of the mesh frame 31 is L1, L1 is the length of the mesh frame along the direction in which the mesh frame is inserted into the above-mentioned insertion port, the vertex of the insertion port 13 is point A, the position of the outer edge of the first air outlet 612 farthest from the insertion port 13 is point B, and the straight-line distance between point A and point B in the horizontal plane is L2; ​​the position of the interior of the fresh air hood 6 farthest from the insertion port 13 is point C, and the straight-line distance between point A and point C in the horizontal plane is L3; wherein, L2≤L1≤L3.

[0200] A plane passing through the straight line between point A and point B and arranged along the height direction of the housing 1 is defined as a third plane 20 ; the third plane 20 and the first plane 9 define a third angle γ.

[0201] A plane passing through the straight line between point A and point C and arranged along the height direction of the housing 1 is defined as a fourth plane 30 ; the fourth plane 30 and the first plane 9 define a fourth angle δ.

[0202] The third plane 20 and the fourth plane 30 define an installation space along the height direction of the casing 1, and the filter component is located in the installation space, that is, the windward surface of the filter is located between the third plane 20 and the fourth plane 30. Therefore, δ≤β≤γ, usually the value range of δ is 0°~20°, and the value range of γ is 0°~40°.

[0203] It should be noted that the third plane 20 and the fourth plane 30 are vertical planes.

[0204] The screen frame 31 is inserted into the fresh air cover 6 along the first track from the insertion port 13, so that the filter screen is arranged in the fresh air cover 6. The first track is a line, and a plane passing through the first track and arranged along the height direction of the housing 1 is defined as a fifth plane 40, and the fifth plane 40 forms a fifth angle θ with the first plane 9; the fifth angle θ satisfies the relationship: 10°<θ≤20°.

[0205] A limit block 62 is provided in the fresh air cover 6, and the limit block 62 is arranged corresponding to the insertion port 13, and the limit block 62 is used to limit the distance of the screen frame 31 extending into the purification chamber 61. When the end of the screen frame 31 away from the insertion port 13 contacts the limit block 62, it means that the screen frame 31 has been installed in place.

[0206] It should be noted that the limit block 62 and the insertion port 13 are correspondingly located at the two ends of the first trajectory. When the screen frame 31 is installed in the purification chamber 61, the insertion port 13 is the starting point of the first trajectory, and the limit block 62 is the end point of the first trajectory; when the screen frame 31 leaves the purification chamber 61, the limit block 62 is the starting point of the first trajectory; the insertion port 13 is the end point of the first trajectory.

[0207] In this embodiment, the limit block 62 is arranged opposite to the connecting port 611 and the two are on the same straight line, that is, the first track is a straight line segment, and the first track is an inclined straight line segment gradually inclined from left to right along the width direction of the casing 1 to the rear side of the casing 1.

[0208] In some embodiments, the screen frame 31 is provided with a limiting portion 313, the side of the screen frame 31 facing the right side of the housing 1 contacts the limiting block 62, the limiting portion 313 is provided on the side of the screen frame 31 facing the left side of the housing 1, and the limiting portion 313 is located at the opening of the insertion port 13. When the screen frame 31 contacts the limiting portion 313, the screen frame 31 is clamped at the insertion port 13.

[0209] In other embodiments, the limiting portion 313 is provided with an operating portion 312 , and the operating portion 312 is used to facilitate pulling the screen frame 31 from the insertion opening 13 , thereby achieving installation and removal of the filter component 3 .

[0210] In other embodiments, the operating portion 312 is a cavity that is recessed toward the inside of the housing 1 , and the user or staff can extend their hand into the cavity to pull out the mesh frame 31 .

[0211] In some embodiments, the mesh frame 31 is provided with a fixing portion 311, and the filter is installed on the fixing portion 311. The fixing portion 311 is provided with a mounting opening, and the opening direction of the mounting opening is the same or substantially the same as the opening direction of the second air outlet 613. The outdoor fresh air entering the purification chamber 61 from the second air outlet 613 sequentially passes through the mounting opening and the volute air inlet 531 to enter the fresh air cavity 51. The filter is located at the mounting opening so that the filter can filter the outdoor fresh air passing through the mounting opening.

[0212] like Fig.11 As shown, the fresh air volute 5 is connected to a guide member 54, which is located outside the fresh air duct and at the volute air outlet 511. The guide member 54 is used to connect the volute air outlet 511 and the air outlet duct, and is used to introduce the outdoor fresh air in the fresh air duct into the air outlet duct, so that the outdoor fresh air can flow from the casing air outlet 14 to the indoor.

[0213] Specifically, the flow guide member 54 is defined to form a flow guide cavity 541. The flow guide cavity 541 is a through cavity. One end opening of the flow guide cavity 541 communicates with the volute air outlet 511, and the other end opening of the flow guide cavity 541 communicates with the air outlet duct, so that the outdoor fresh air in the fresh air cavity 51 can enter the air outlet duct through the flow guide cavity 541 and flow to the room through the housing air outlet 14.

[0214] It should be noted that both the outdoor fresh air and the indoor air flow to the room through the housing air outlet 14. The indoor air forms air-conditioning air after heat exchange in the heat exchange cavity. The air-conditioning air enters the air outlet duct. The outdoor fresh air enters the air outlet duct through the flow guide cavity 541. The outdoor fresh air and the air-conditioning air are mixed to form mixed air, and the mixed air flows to the room through the housing air outlet 14.

[0215] When the temperature difference between the outdoor fresh air and the indoor air is large, after the outdoor fresh air and the air-conditioning air are mixed, it can prevent two kinds of air with large temperature differences, namely the outdoor fresh air and the air-conditioning air, from flowing to the room, and avoid the human body from contacting two kinds of air with large temperature differences at the same time, resulting in discomfort of the human body.

[0216] It should also be noted that the outdoor fresh air entering the air outlet duct does not pass through the heat exchanger for heat exchange.

[0217] Next, with specific embodiments, the layout of the fresh air module and the filter component in the second cavity will be introduced in detail.

[0218] Define the plane perpendicular to the axis of the volute air inlet 531 as the first plane 9; define the plane perpendicular to the axis of the fresh air inlet 12 as the second plane 10. The second plane 10 and the first plane 9 define a first included angle α; the first included angle α is 15°. By making the second plane 10 and the first plane 9 form an angle of 15°, the fresh air volute 5 is inclined in the second cavity, and thus the space of the reserved area 15 can be increased, and more components or larger-sized components can be installed in the reserved area 15.

[0219] The distance between the inner wall at the rear side of the housing 1 and the inner wall at the front side of the housing 1 is L5, that is, the distance of the second cavity along the front and rear directions of the housing is L5, and the distance L8 of the reserved area 15 along the front and rear directions of the housing 1. Since the reserved area 15 is located in the second cavity, L8 < L5; since the fresh air volute 5 is also arranged in the second cavity, therefore, the thickness of the fresh air volute 5 is less than the distance L5 of the second cavity along the front and rear directions of the housing, select

[0220] The distance between the center point D of the fresh air fan 4 and the inner wall at the front side of the housing 1 is usually greater than the distance L8 of the reserved area 15 along the front and rear directions of the housing 1. Therefore, select the distance L7 between the center point D of the fresh air fan 4 and the inner wall at the front side of the housing 1 as

[0221] Half of the thickness L6 of the fresh air volute is usually greater than the distance L7 between the center point D of the fresh air fan 4 and the front inner wall of the casing 1. The thickness L6 of the fresh air volute 5 is selected to be 100 mm. Since the fresh air fan 4 is installed in the fresh air cavity 51 inside the fresh air volute 5, the thickness of the fresh air fan 4 is selected to be 80 mm. The distance between the fresh air fan 4 and the side of the first volute 52 facing the fresh air cavity 51 is 20 mm, and the distance between the fresh air fan 4 and the side of the second volute 53 facing the fresh air cavity 51 is 20 mm, so as to prevent the fresh air fan 4 from colliding with the inner wall of the fresh air volute 5 when running, thereby ensuring the safe operation of the fresh air fan 4.

[0222] The length of the mesh frame 31 is L1, the vertex of the insertion port 13 is point A, the outer edge of the first air outlet 612 is at the farthest point from the insertion port 13 is point B, and the straight-line distance between point A and point B in the horizontal plane is L2; ​​the inner part of the fresh air hood 6 is at the farthest point from the insertion port 13 is point C, and the straight-line distance between point A and point C in the horizontal plane is L3; wherein, L2≤L1≤L3.

[0223] A plane passing through the straight line between point A and point B and arranged along the height direction of the housing 1 is defined as a third plane 20; the third plane 20 and the first plane 9 define a third angle γ, and in this embodiment, δ is selected to be 15°.

[0224] A plane passing through the straight line between point A and point C and arranged along the height direction of the housing 1 is defined as a fourth plane 30; the fourth plane 30 and the first plane 9 define a fourth angle δ, and in this embodiment, γ is selected to be 30°.

[0225] The windward surface of the filter is defined to form a second angle β with the first plane 9, the third plane 20 and the fourth plane 30 define an installation space along the height direction of the casing 1, and the filter component is located in the installation space, that is, the windward surface of the filter is located between the third plane 20 and the fourth plane 30, therefore, 15°≤β≤30°, and β is selected as 20°.

[0226] A plane perpendicular to the axis of the volute air inlet 531 is defined as a first plane 9; a plane perpendicular to the axis of the fresh air inlet 12 is defined as a second plane 10, and the second plane 10 and the first plane 9 define a first angle α; the first angle α is selected to be 15°.

[0227] The projection of the axis of the fresh air fan 4 on the second plane 10 is located within the projection of the fresh air inlet 12 on the second plane 10, and the vertical distance between the center point D of the fresh air fan 4 and the lower surface of the base 16 is selected to be 150 mm.

[0228] The filter is inserted into the fresh air cover 6 from the insertion port 13 along the first track; a plane passing through the first track and arranged along the height direction of the housing 1 is defined as a fifth plane 40, and the fifth plane 40 forms a fifth angle θ with the first plane 9. It should be noted that the fifth angle θ and the second angle β are actually the same angle, so the fifth angle θ and the second angle β have the same value, and the fifth angle θ is selected to be 15°.

[0229] By setting the second plane 10 at an angle with the first plane 9, the fresh air volute 5 is tilted in the second cavity. Thus, when the space in the second cavity is constant, a larger-sized fresh air fan 4 can be installed as quickly as possible, thereby increasing the fresh air volume of the air-conditioning indoor unit.

[0230] The working principle of the indoor unit of the air conditioner is as follows: the outdoor fresh air enters the purification chamber 61 through the fresh air inlet 12 through the operation of the fresh air fan 4, enters the fresh air cavity 51 through the connecting port 611 and the volute air inlet 531 after being filtered by the filter, enters the air outlet duct through the volute air outlet 511 through the guide cavity 541, and finally flows into the room through the casing air outlet 14. It should be noted that the flow power of the outdoor fresh air can be increased by operating the heat exchange fan, so that the long-distance air supply of the outdoor fresh air can be realized.

[0231] Both outdoor fresh air and indoor air flow into the room through the housing air outlet 14. The indoor air is heat exchanged in the heat exchange chamber to form conditioned air, and the conditioned air enters the air outlet duct. Outdoor fresh air enters the air outlet duct through the guide chamber 541, and the outdoor fresh air and the conditioned air are mixed to form mixed air, which flows into the room through the housing air outlet 14.

[0232] When there is a large temperature difference between outdoor fresh air and indoor air, the mixing of outdoor fresh air and air-conditioned air can prevent the two air types with a large temperature difference from flowing into the room, thus preventing the human body from being exposed to two types of air with a large temperature difference at the same time, causing discomfort to the human body.

[0233] The vertical air conditioner indoor unit is configured such that the second plane 10 is set at an angle to the first plane 9, so that the fresh air volute 5 is tilted in the second cavity, so that when the space in the second cavity is constant, the fresh air blower 4 of a larger size can be used as soon as possible, thereby increasing the fresh air volume of the air conditioner indoor unit; the filter is configured such that the filter and the fresh air blower 4 are set at an angle to one side of the fresh air inlet 12, and the windward surface of the filter is configured such that the filter is configured such that the filter has a good filtering effect on the outdoor fresh air, and the installation and removal of the filter can be facilitated, thereby increasing the fresh air volume of the vertical air conditioner indoor unit and reducing the fresh air noise. By changing the setting position of the fresh air blower 4 in the second cavity, the fresh air volume can be increased and the fresh air noise can be reduced.

[0234] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

[0235] For the convenience of explanation, the above description has been made in conjunction with specific embodiments. However, the above exemplary discussion is not intended to be exhaustive or limit the embodiments to the specific forms disclosed above. Based on the above teachings, various modifications and variations can be obtained. The selection and description of the above embodiments are to better explain the principles and practical applications, so that those skilled in the art can better use the embodiments and various different variations of the embodiments suitable for specific use considerations.

Claims

1. A vertical air conditioner indoor unit, characterized in that: include: A base, for contacting the ground; A housing, disposed on the base; The length direction of the casing is from the top to the bottom of the casing; the interior of the casing includes at least a first cavity and a second cavity, and the first cavity is located above the second cavity; the casing includes a casing air inlet, a casing air outlet, and a fresh air inlet, the casing air inlet and the casing air outlet are respectively connected to the first cavity, and the fresh air inlet is connected to the second cavity; the fresh air inlet is opened at the rear side of the casing; a heat exchanger disposed in the first chamber; A heat exchange fan is arranged in the first cavity; the heat exchange fan is operated to introduce indoor air from the air inlet of the casing into the first cavity, and the indoor air flows into the room from the air outlet of the casing after heat exchange by the heat exchanger; A fresh air volute is disposed in the second cavity; the fresh air volute is formed with a volute air inlet, and the volute air inlet is disposed correspondingly to the fresh air inlet; A fresh air fan is arranged in the fresh air volute; when the fresh air fan is operated, outdoor fresh air is introduced into the fresh air volute from the fresh air inlet through the volute air inlet, and then flows into the room from the casing air outlet; A plane perpendicular to the axis of the volute air inlet is defined as a first plane; A plane perpendicular to the axis of the fresh air inlet is defined as a second plane, and a first angle α is formed between the second plane and the first plane; A filter component is provided between the volute air inlet and the fresh air inlet; the filter component comprises a filter and a mesh frame, the filter is mounted on the mesh frame, and a windward surface of the filter forms a second angle β with the first plane; The first angle α satisfies the relationship: 2°≤α≤20°; the second angle β satisfies the relationship: 10°<β≤20°.

2. A vertical air conditioner indoor unit, characterized in that: include: A base, for contacting the ground; A housing, disposed on the base; The length direction of the casing is from the top to the bottom of the casing; the interior of the casing includes at least a first cavity and a second cavity, and the first cavity is located above the second cavity; the casing includes a casing air inlet, a casing air outlet, and a fresh air inlet, the casing air inlet and the casing air outlet are respectively connected to the first cavity, and the fresh air inlet is connected to the second cavity; the fresh air inlet is opened at the rear side of the casing; a heat exchanger disposed in the first chamber; A heat exchange fan is arranged in the first cavity; the heat exchange fan is operated to introduce indoor air from the air inlet of the casing into the first cavity, and after heat exchange in the heat exchanger, the indoor air flows into the room from the air outlet of the casing; A fresh air volute is disposed in the second cavity; the fresh air volute is formed with a volute air inlet, and the volute air inlet is disposed correspondingly to the fresh air inlet; A fresh air fan is arranged in the fresh air volute; when the fresh air fan is operated, outdoor fresh air is introduced into the fresh air volute from the fresh air inlet through the volute air inlet, and then flows into the room from the casing air outlet; A fresh air hood is arranged in the second cavity, and the fresh air hood is located between the volute air inlet and the fresh air inlet; a first air inlet and a second air inlet are formed on the fresh air hood, the first air inlet is opened on the side wall of the fresh air hood close to the fresh air inlet and is arranged corresponding to the fresh air inlet; the second air inlet is opened on the side wall of the fresh air hood close to the volute air inlet and is arranged corresponding to the volute air inlet; A filter component is arranged inside the fresh air cover, the filter component comprises a filter and a mesh frame, and the filter is installed on the mesh frame; An insertion port is formed on the side of the housing and communicates with the interior of the fresh air cover; the mesh frame is inserted into the fresh air cover through the insertion port; the insertion direction of the mesh frame intersects with the axial direction of the fresh air inlet; The length of the screen frame along the direction in which the screen frame is inserted into the insertion port is L1; The vertex of the insertion port is point A; the position of the outer edge of the first air outlet farthest from the insertion port is point B, and the straight-line distance between point A and point B in the horizontal plane is L2; ​​the position of the interior of the fresh air hood farthest from the insertion port is point C, and the straight-line distance between point A and point C in the horizontal plane is L3; Among them, L2≤L1≤L3.

3. A vertical air conditioner indoor unit, characterized in that: include: A base, for contacting the ground; A housing, disposed on the base; The length direction of the casing is from the top to the bottom of the casing; the interior of the casing includes at least a first cavity and a second cavity, and the first cavity is located above the second cavity; the casing includes a casing air inlet, a casing air outlet, and a fresh air inlet, the casing air inlet and the casing air outlet are respectively connected to the first cavity, and the fresh air inlet is connected to the second cavity; the fresh air inlet is opened at the rear side of the casing; a heat exchanger disposed in the first chamber; A heat exchange fan is arranged in the first cavity; the heat exchange fan is operated to introduce indoor air from the air inlet of the casing into the first cavity, and after heat exchange in the heat exchanger, the indoor air flows into the room from the air outlet of the casing; A fresh air volute is disposed in the second cavity; the fresh air volute is formed with a volute air inlet, and the volute air inlet is disposed correspondingly to the fresh air inlet; A fresh air fan is arranged in the fresh air volute; when the fresh air fan is operated, outdoor fresh air is introduced into the fresh air volute from the fresh air inlet through the volute air inlet, and then flows into the room from the casing air outlet; A fresh air hood is arranged in the second cavity, and the fresh air hood is located between the volute air inlet and the fresh air inlet; a first air inlet and a second air inlet are formed on the fresh air hood, the first air inlet is opened on the side wall of the fresh air hood close to the fresh air inlet and is arranged corresponding to the fresh air inlet; the second air inlet is opened on the side wall of the fresh air hood close to the volute air inlet and is arranged corresponding to the volute air inlet; A filter component is arranged between the volute air inlet and the fresh air inlet; the filter component comprises a filter and a mesh frame, and the filter is installed on the mesh frame; An insertion port is formed on the side of the housing and communicates with the interior of the fresh air cover; the mesh frame is inserted into the fresh air cover through the insertion port; the insertion direction of the mesh frame intersects with the axial direction of the fresh air inlet; The vertex of the insertion port is point A; the position of the outer edge of the first air outlet farthest from the insertion port is point B; the position of the interior of the fresh air cover farthest from the insertion port is point C; A plane perpendicular to the axis of the volute air inlet is defined as a first plane; a windward surface of the filter screen forms a second angle β with the first plane; A plane passing through a straight line between point A and point B and arranged along the height direction of the housing is defined as a third plane; a third angle γ is defined between the third plane and the first plane; A plane passing through a straight line between point A and point C and arranged along the height direction of the housing is defined as a fourth plane; a fourth angle δ is defined between the fourth plane and the first plane; Among them, δ≤β≤γ.

4. A vertical air conditioner indoor unit, characterized in that: include: A base, for contacting the ground; A housing, disposed on the base; The length direction of the casing is from the top to the bottom of the casing; the interior of the casing includes at least a first cavity and a second cavity, and the first cavity is located above the second cavity; the casing includes a casing air inlet, a casing air outlet, and a fresh air inlet, the casing air inlet and the casing air outlet are respectively connected to the first cavity, and the fresh air inlet is connected to the second cavity; the fresh air inlet is opened at the rear side of the casing; a heat exchanger disposed in the first chamber; A heat exchange fan is arranged in the first cavity; the heat exchange fan is operated to introduce indoor air from the air inlet of the casing into the first cavity, and after heat exchange in the heat exchanger, the indoor air flows into the room from the air outlet of the casing; A fresh air volute is disposed in the second cavity; the fresh air volute is formed with a volute air inlet, and the volute air inlet is disposed correspondingly to the fresh air inlet; A fresh air fan is arranged in the fresh air volute; when the fresh air fan is operated, outdoor fresh air is introduced into the fresh air volute from the fresh air inlet through the volute air inlet, and then flows into the room from the casing air outlet; A fresh air hood is arranged in the second cavity, and the fresh air hood is located between the volute air inlet and the fresh air inlet; the fresh air hood is formed with a first air inlet and a second air inlet, the first air inlet is formed on a side wall of the fresh air hood close to the fresh air inlet and is arranged corresponding to the fresh air inlet; the second air inlet is formed on a side wall of the fresh air hood close to the volute air inlet and is arranged corresponding to the volute air inlet; An insertion port formed on a side of the housing and communicating with the interior of the fresh air cover; A filter component is arranged inside the fresh air cover, the filter component comprises a filter and a mesh frame, the filter is installed on the mesh frame, and the filter is inserted into the fresh air cover from the insertion port along a first trajectory; A plane passing through the first track and arranged along the height direction of the housing is defined as a fifth plane, wherein the fifth plane forms a fifth angle θ with the first plane; The fifth angle θ satisfies the relationship: 1c°<θ≤20°.

5. The vertical air conditioner indoor unit according to any one of claims 1 to 4, characterized in that: A distance is provided between the side of the fresh air volute away from the fresh air cover and the front inner wall of the housing, and the reserved area is defined together, and the reserved area is used to install the electric control box and / or the heating component and / or the humidification module; the distance of the second cavity along the front-to-back direction of the housing is L5; The distance of the reserved area along the front-to-back direction of the casing is L8, the intersection of the axis of the volute air inlet and the fresh air volute away from the fresh air cover is point M, and L8 is the distance between point M and the front inner wall of the casing in the horizontal direction; in, 6. The vertical air conditioner indoor unit according to claim 5, characterized in that: The distance between the outer side of the side wall of the fresh air volute facing the fresh air inlet and the outer side of the side wall of the fresh air volute facing the reserved area is L6; in, 7. The vertical air conditioner indoor unit according to any one of claims 1 to 4, characterized in that: The distance of the second cavity along the front-to-back direction of the casing is L5; the distance between the outer side of the side wall of the fresh air volute facing the fresh air inlet and the outer side of the side wall of the fresh air volute facing the reserved area is L6, and the distance between the center point of the fresh air fan and the front inner wall of the casing is L7; in, 8. The vertical air conditioner indoor unit according to claim 7, characterized in that: A limit block is provided in the fresh air hood, and the limit block is arranged corresponding to the insertion port. The limit block and the insertion port are correspondingly located at two ends of the first track.

9. A vertical air conditioner indoor unit, characterized in that: include: A base, for contacting the ground; A housing, disposed on the base; The length direction of the casing is from the top to the bottom of the casing; the interior of the casing includes at least a first cavity and a second cavity, and the first cavity is located above the second cavity; the casing includes a casing air inlet, a casing air outlet, and a fresh air inlet, the casing air inlet and the casing air outlet are respectively connected to the first cavity, and the fresh air inlet is connected to the second cavity; the fresh air inlet is opened at the rear side of the casing; a heat exchanger disposed in the first chamber; A heat exchange fan is arranged in the first cavity; the heat exchange fan is operated to introduce indoor air from the air inlet of the casing into the first cavity, and after heat exchange in the heat exchanger, the indoor air flows into the room from the air outlet of the casing; A fresh air volute is disposed in the second cavity; the fresh air volute is formed with a volute air inlet, and the volute air inlet is disposed correspondingly to the fresh air inlet; A fresh air fan is arranged in the fresh air volute; when the fresh air fan is operated, outdoor fresh air is introduced into the fresh air volute from the fresh air inlet through the volute air inlet, and then flows into the room from the casing air outlet; A fresh air hood is arranged in the second cavity, and the fresh air hood is located between the volute air inlet and the fresh air inlet; the fresh air hood is formed with a first air inlet and a second air inlet, the first air inlet is formed on a side wall of the fresh air hood close to the fresh air inlet and is arranged corresponding to the fresh air inlet; the second air inlet is formed on a side wall of the fresh air hood close to the volute air inlet and is arranged corresponding to the volute air inlet; Define a plane perpendicular to the axis of the fresh air inlet as a second plane; The projection of the axis of the fresh air fan on the second plane is located within the projection of the fresh air inlet on the second plane, and the vertical distance between the center point of the fresh air fan and the lower surface of the base ranges from 100mm to 250mm.

10. The vertical air conditioner indoor unit according to claim 9, characterized in that: A distance is provided between the side of the fresh air volute facing away from the fresh air cover and the front inner wall of the casing, and they define a reserved area together, and the reserved area is used to install the electric control box and / or the heating component and / or the humidification module; The distance of the second cavity along the front-to-back direction of the housing is L5; The distance between the outer side of the side wall of the fresh air volute facing the fresh air inlet and the outer side of the side wall of the fresh air volute facing the reserved area is L6; The distance between the center point of the fresh air fan and the front inner wall of the casing is L7; The distance of the reserved area along the front-to-back direction of the casing is L8, the intersection of the axis of the volute air inlet and the fresh air volute away from the fresh air cover is point M, and L8 is the distance between point M and the front inner wall of the casing in the horizontal direction; in,

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