Air conditioner

Abstract

The utility model discloses an air conditioner which comprises a shell, a centrifugal fan, a bottom heat exchanger, a first heat exchanger and a second heat exchanger, the shell is provided with a bottom air inlet, a first air inlet, a second air inlet and an air outlet, and the bottom air inlet is formed in the bottom of the shell. The first air inlet and the second air inlet are formed in the side face of the shell and are oppositely arranged in the length direction of the shell, and the air outlet is formed above the bottom air inlet; the centrifugal fan is assembled in the shell, and the bottom heat exchanger is arranged between the bottom air inlet and the centrifugal fan; the first heat exchanger is arranged between the first air inlet and the centrifugal fan, and the second heat exchanger is arranged between the second air inlet and the centrifugal fan; projections of the first heat exchanger and the second heat exchanger on a vertical plane parallel to the length direction are groove-shaped, and groove openings of the groove shapes face the centrifugal fan. The air conditioner is large in air supply angle, long in air supply distance, large in air inlet area and high in indoor air circulation efficiency, and the overall use experience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioning technical field, specifically, relate to a kind of air conditioners. BACKGROUND

[0002] Air conditioner is a kind of temperature control equipment that can adjust indoor temperature, humidity and other environmental parameters in daily life, the current air conditioner type mainly has wall-mounted, stand type, central air conditioning etc., and wall-mounted is a kind of air conditioner type that can hang air conditioner indoor unit on wall.

[0003] The wall-mounted air conditioner indoor unit in prior art is mostly in the form of upper air inlet and lower air outlet, and this structural design makes the air conditioner indoor unit have problems such as small air supply angle, short air supply distance, small air inlet area and limited indoor air circulation, which reduces the use experience of the air conditioner indoor unit. UTILITY MODEL CONTENT

[0004] The utility model aims at at least one of the technical problems in the related art to some extent.

[0005] Therefore, the utility model embodiment provides an air conditioner, which has large air supply angle, long air supply distance, large air inlet area and high indoor air circulation efficiency, and improves the overall use experience.

[0006] The air conditioner of the utility model embodiment comprises:

[0007] A shell is provided with a bottom air inlet, a first air inlet, a second air inlet and an air outlet, the bottom air inlet is arranged at the bottom of the shell, the first air inlet and the second air inlet are arranged on the side surface of the shell and are oppositely arranged in the length direction of the shell, and the air outlet is arranged above the bottom air inlet.

[0008] A centrifugal fan is assembled in the shell, and a bottom heat exchanger is arranged between the bottom air inlet and the centrifugal fan and used for heat exchange with air flow flowing from the bottom air inlet.

[0009] A first heat exchanger is arranged between the first air inlet and the centrifugal fan and used for heat exchange with air flow flowing from the first air inlet, and a second heat exchanger is arranged between the second air inlet and the centrifugal fan and used for heat exchange with air flow flowing from the second air inlet.

[0010] The projections of the first heat exchanger and the second heat exchanger on a vertical plane parallel to the length direction are both in the form of a groove, and the groove opening of the groove is directed to the centrifugal fan.

[0011] In some embodiments, the groove comprises:

[0012] a vertical section, the vertical section being arranged extending along a vertical direction;

[0013] two horizontal sections, the two horizontal sections being arranged horizontally, one of the horizontal sections being connected to a top side of the vertical section, the other of the horizontal sections being connected to a bottom side of the vertical section, and the two horizontal sections being located on a side of the vertical section facing the centrifugal fan;

[0014] two inclined sections, the two inclined sections being oppositely arranged along the vertical direction, a distance between the two inclined sections gradually increasing in a direction approaching the centrifugal fan, and the two horizontal sections being respectively connected between the vertical section and the two inclined sections.

[0015] In some embodiments, in the length direction, a distance between the vertical section of the first heat exchanger and the first air inlet is L1, and a distance between the vertical section of the second heat exchanger and the second air inlet is L2.

[0016] 20mm≤L1≤60mm; and / or, 20mm≤L2≤60mm.

[0017] In some embodiments, in the length direction, the vertical section has an outer wall surface facing away from the centrifugal fan, a distance between an end of the horizontal section of the first heat exchanger facing the centrifugal fan and the outer wall surface of the vertical section of the first heat exchanger is L3, and a distance between an end of the horizontal section of the second heat exchanger facing the centrifugal fan and the outer wall surface of the vertical section of the second heat exchanger is L4.

[0018] 30mm≤L3≤50mm; and / or, 30mm≤L4≤50mm.

[0019] In some embodiments, a dimension of the inclined section of the first heat exchanger in the length direction is L5, and a dimension of the inclined section of the second heat exchanger in the length direction is L6.

[0020] 30mm≤L5≤60mm; and / or, 30mm≤L6≤60mm.

[0021] In some embodiments, a distance between an end of the inclined section of the first heat exchanger facing the centrifugal fan and a volute of the centrifugal fan is L7, and a distance between an end of the inclined section of the second heat exchanger facing the centrifugal fan and the volute of the centrifugal fan is L8.

[0022] 10mm≤L7≤40mm; and / or, 10mm≤L8≤40mm.

[0023] In some embodiments, the distance between the upper one of the two horizontal sections of the first heat exchanger and the top wall of the shell is L9, and the distance between the upper one of the two horizontal sections of the second heat exchanger and the top wall of the shell is L10;

[0024] 10mm≤L9≤40mm; and / or, 10mm≤L10≤40mm.

[0025] In some embodiments, the shell comprises a base and a panel, the base and the panel being oppositely arranged in a direction orthogonal to the length direction, the bottom air inlet being located between the bottom side of the base and the bottom side of the panel, and the air outlet being provided at the top of the panel.

[0026] The distance between the lower one of the two horizontal sections of the first heat exchanger and the base in the vertical direction is L11, and the distance between the lower one of the two horizontal sections of the second heat exchanger and the base in the vertical direction is L12.

[0027] 10mm≤L11≤30mm; and / or, 10mm≤L12≤30mm.

[0028] In some embodiments, the angle between the upper one of the two inclined sections of the first heat exchanger and the length direction is angle a, and the angle between the upper one of the two inclined sections of the second heat exchanger and the length direction is angle b.

[0029] 15°≤a≤60°; and / or, 15°≤b≤60°.

[0030] In some embodiments, the angle between the lower one of the two inclined sections of the first heat exchanger and the length direction is angle c, and the angle between the lower one of the two inclined sections of the second heat exchanger and the length direction is angle d.

[0031] 15°≤c≤45°; and / or, 15°≤d≤45°.

[0032] In some embodiments, further comprising:

[0033] A bottom grid provided at the bottom air inlet, the bottom heat exchanger being located between the bottom grid and the centrifugal fan.

[0034] A first grid provided at the first air inlet, the first heat exchanger being located between the first grid and the centrifugal fan, and a second grid provided at the second air inlet, the second heat exchanger being located between the second grid and the centrifugal fan.

[0035] And / or, including the water pan, the water pan is located between the bottom grid and the bottom heat exchanger, and in the length direction, the length dimension M of the water pan is not less than any one of the distance M1 of the first heat exchanger and the second heat exchanger, the length dimension M2 of the bottom heat exchanger.

[0036] Beneficial effect: the air conditioner of the utility model embodiment, the air conditioner's air supply angle is big, the air supply distance is far, the air inlet area is big, the indoor air circulation efficiency is high, and the overall use experience is improved. BRIEF DESCRIPTION OF DRAWINGS

[0037] Figure 1 Is the transverse section view schematic diagram of the air conditioner of the utility model embodiment.

[0038] Figure 2 Is the schematic diagram of the slot type of the utility model embodiment.

[0039] Figure 3 Is the longitudinal section view schematic diagram of the air conditioner of the utility model embodiment.

[0040] Figure 4 Is the explosion schematic diagram of the air conditioner of the utility model embodiment.

[0041] REFERENCE SIGNS:

[0042] 1-shell;11-bottom air inlet;12-first air inlet;13-second air inlet;14-air outlet;15-bottom seat;16-panel;

[0043] 2-centrifugal fan;21-volute;22-centrifugal fan blade;

[0044] 3-bottom heat exchanger;4-first heat exchanger;5-second heat exchanger;

[0045] 6-bottom grid;7-first grid;8-second grid;9-water pan;

[0046] 10-slot type;101-vertical section;102-horizontal section;103-inclined section. DETAILED DESCRIPTION

[0047] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as the limitation of the utility model.

[0048] As Figure 1 Indicated, the air conditioner of the utility model embodiment includes shell 1, centrifugal fan 2, bottom heat exchanger 3, first heat exchanger 4 and second heat exchanger 5.

[0049] The shell 1 is provided with a bottom air inlet 11, a first air inlet 12, a second air inlet 13 and an air outlet 14. The bottom air inlet 11 is arranged at the bottom of the shell 1, the first air inlet 12 and the second air inlet 13 are arranged at the side of the shell 1 and opposite to each other in the length direction of the shell 1, and the air outlet 14 is arranged above the bottom air inlet 11.

[0050] For example, as shown in Figure 1 and Figure 3 , the shell 1 can be generally cuboid, the length direction of the shell 1 can be the left-right direction, the bottom air inlet 11 can be arranged at the bottom surface of the shell 1, the first air inlet 12 can be arranged at the left side surface of the shell 1, the second air inlet 13 can be arranged at the right side surface of the shell 1, and the air outlet 14 can be arranged at the front side surface of the shell 1 and adjacent to the top surface of the shell 1.

[0051] The centrifugal fan 2 is arranged in the shell 1, and the bottom heat exchanger 3 is arranged between the bottom air inlet 11 and the centrifugal fan 2 and used for heat exchange with the air flow flowing from the bottom air inlet 11. For example, as shown in Figure 1 and Figure 3 , the centrifugal fan 2 can be fixed in the shell 1, and the bottom heat exchanger 3 can also be arranged in the shell 1, and in the up-down direction, the bottom heat exchanger 3 can be located between the centrifugal fan 2 and the bottom air inlet 11.

[0052] The first heat exchanger 4 is arranged between the first air inlet 12 and the centrifugal fan 2 and used for heat exchange with the air flow flowing from the first air inlet 12, and the second heat exchanger 5 is arranged between the second air inlet 13 and the centrifugal fan 2 and used for heat exchange with the air flow flowing from the second air inlet 13.

[0053] For example, as shown in Figure 1 , the first heat exchanger 4 and the second heat exchanger 5 can be arranged in the shell 1, wherein the first heat exchanger 4 can be arranged at the left side of the centrifugal fan 2, and the second heat exchanger 5 can be arranged at the right side of the centrifugal fan 2.

[0054] When the centrifugal fan 2 is running, the external air can be sucked into the shell 1 through the above-mentioned bottom air inlet 11, first air inlet 12 and second air inlet 13, respectively, wherein the air flow entering from the bottom air inlet 11 can be heat exchanged with the bottom heat exchanger 3, the air flow entering from the first air inlet 12 can be heat exchanged with the first heat exchanger 4, and the air flow entering from the second air inlet 13 can be heat exchanged with the second heat exchanger 5, so as to realize the adjustment of the temperature of the air flow. The heat-exchanged air flow will converge to the air outlet 14 under the action of the centrifugal fan 2 and be discharged through the air outlet 14, thereby meeting the use needs of indoor refrigeration and heating.

[0055] The projections of the first heat exchanger 4 and the second heat exchanger 5 on the vertical plane parallel to the length direction are both slot types 10, and the slots of the slot types 10 are directed toward the centrifugal fan 2. For example, as shown in Figure 1 the length direction can be the left-right direction, the vertical plane can be a vertical plane parallel to the left-right direction, the projections of the first heat exchanger 4 and the second heat exchanger 5 on the vertical plane can both be slot types 10 similar to a U shape, and the slot of the slot type 10 formed by the projection of the first heat exchanger 4 can be directed toward the right side, and the slot of the slot type 10 formed by the projection of the second heat exchanger 5 can be directed toward the left side.

[0056] The air conditioner of the embodiment of the utility model, the air conditioner adopts the design of upper air outlet, that is, compared with the design of lower air outlet, the setting position of the air outlet 14 is higher, so that the air conditioner can have a larger air supply angle, and is also beneficial to improving the overall air supply distance.

[0057] Secondly, the shell 1 is provided with three air inlets, namely, a bottom air inlet 11, a first air inlet 12, and a second air inlet 13, so that air can enter from the bottom side and the left and right sides of the air conditioner, thereby greatly improving the air inlet area and the unit air inlet amount of the air conditioner, and further improving the indoor air circulation efficiency and circulation speed, which is beneficial to rapid cooling and heating and improves the user experience.

[0058] In addition, the first heat exchanger 4 and the second heat exchanger 5 are both slot types 10 with a U-shaped cross section, which can increase the heat exchange area, make the heat exchange more uniform, and also reduce the resistance and improve the air supply. The slot-shaped design of the first heat exchanger 4 and the second heat exchanger 5 has high structural strength, so that the internal pressure change can be better resisted, and the damage risk caused by sudden pressure change can be reduced, thereby ensuring the stability of use.

[0059] In some embodiments, as shown in Figure 2 the slot type 10 includes a vertical section 101, two horizontal sections 102, and two inclined sections 103.

[0060] The vertical section 101 extends along the up-down direction, for example, as shown in Figure 1 the vertical section 101 of the first heat exchanger 4 and the second heat exchanger 5 can both be a flat plate and can be vertically arranged along the up-down direction.

[0061] The two horizontal sections 102 are both horizontally arranged, one horizontal section 102 is connected to the top side of the vertical section 101, and the other horizontal section 102 is connected to the bottom side of the vertical section 101, and the two horizontal sections 102 are both located on the side of the vertical section 101 facing the centrifugal fan 2. For example, as shown in Figure 1As shown, the two horizontal sections 102 of the first heat exchanger 4 and the second heat exchanger 5 can both extend in the left and right direction. The two horizontal sections 102 of the first heat exchanger 4 can both extend to the right side of the vertical section 101 of the first heat exchanger 4, and the two horizontal sections 102 of the second heat exchanger 5 can both extend to the left side of the vertical section 101 of the second heat exchanger 5.

[0062] Two inclined sections 103 are arranged opposite each other in the vertical direction, and the distance between the two inclined sections 103 gradually increases along the direction closer to the centrifugal fan 2. Two horizontal sections 102 are respectively connected between the vertical section 101 and the two inclined sections 103.

[0063] For example, such as Figure 1 As shown, the two inclined sections 103 of the first heat exchanger 4 can be connected to the right side of the two horizontal sections 102 of the first heat exchanger 4, and the distance between the two inclined sections 103 of the first heat exchanger 4 in the vertical direction can gradually increase from left to right. The two inclined sections 103 of the second heat exchanger 5 can be connected to the left side of the two horizontal sections 102 of the second heat exchanger 5, and the distance between the two inclined sections 103 of the second heat exchanger 5 in the vertical direction can gradually increase from right to left.

[0064] Therefore, on the one hand, the structural strength of the first heat exchanger 4 and the second heat exchanger 5 can be enhanced, thus fully meeting the requirements for resisting wind pressure. On the other hand, the gradual expansion design of the two inclined sections 103 toward the centrifugal fan 2 can also slow down the airflow velocity, reduce the impact on the centrifugal fan 2, and help reduce noise.

[0065] In some embodiments, the distance between the vertical section 101 of the first heat exchanger 4 and the first air inlet 12 in the length direction is L1, where 20mm ≤ L1 ≤ 60mm. For example, as... Figure 1 As shown, the distance L1 can specifically be the distance between the left wall of the vertical section 101 of the first heat exchanger 4 and the first air inlet 12. The distance L1 can be 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, etc. Within this range, the amount of air flowing in through the first air inlet 12 can be guaranteed.

[0066] In some embodiments, the distance between the vertical section 101 of the second heat exchanger 5 and the second air inlet 13 in the longitudinal direction is L2, where 20mm ≤ L2 ≤ 60mm. For example, as... Figure 1As shown, the distance L2 can be specifically the distance between the right wall surface of the vertical section 101 of the second heat exchanger 5 and the second air inlet 13, and the distance L2 can be specifically 20 mm, 25 mm, 30 mm, 35 mm, 40 mm, 45 mm, 50 mm, 55 mm, 60 mm, etc. The distance L2 in this range can ensure the amount of air flowing in through the second air inlet 13.

[0067] In some embodiments, in the length direction, the vertical section 101 has an outer wall surface facing away from the centrifugal fan 2, and the distance between the end of the centrifugal fan 2 and the outer wall surface of the vertical section 101 of the first heat exchanger 4 is L3, 30 mm≤L3≤50 mm.

[0068] For example, the outer wall surface of the vertical section 101 of the first heat exchanger 4 can be specifically the left wall surface of the vertical section 101 of the first heat exchanger 4, the length dimensions of the two horizontal sections 102 of the first heat exchanger 4 in the left-right direction can be the same, and the end of the horizontal section 102 of the first heat exchanger 4 facing the centrifugal fan 2 can be the right end of the horizontal section 102 of the first heat exchanger 4.

[0069] The distance L3 is the distance between the left wall surface of the vertical section 101 of the first heat exchanger 4 and the right end of the horizontal section 102 of the first heat exchanger 4. The distance L3 can be specifically 30 mm, 35 mm, 40 mm, 45 mm, 50 mm, etc.

[0070] Thus, the horizontal section 102 of the first heat exchanger 4 can be limited within a reasonable size range, which can avoid the case that the size is too long and the cost is easily increased and the vertical section 101 easily blocks the horizontal section 102 more, which is not conducive to heat exchange, and also avoids the case that the size is too short and is not conducive to processing design.

[0071] In some embodiments, in the length direction, the distance between the end of the centrifugal fan 2 and the outer wall surface of the vertical section 101 of the second heat exchanger 5 is L4, 30 mm≤L4≤50 mm.

[0072] For example, the outer wall surface of the vertical section 101 of the second heat exchanger 5 can be specifically the right wall surface of the vertical section 101 of the second heat exchanger 5, the length dimensions of the two horizontal sections 102 of the second heat exchanger 5 in the left-right direction can be the same, and the end of the horizontal section 102 of the second heat exchanger 5 facing the centrifugal fan 2 can be the left end of the horizontal section 102 of the first heat exchanger 4.

[0073] The distance L4 is the distance between the right wall surface of the vertical section 101 of the second heat exchanger 5 and the left end of the horizontal section 102 of the second heat exchanger 5. The distance L4 can be specifically 30 mm, 35 mm, 40 mm, 45 mm, 50 mm, etc.

[0074] Therefore, the horizontal section 102 of the second heat exchanger 5 can be limited within a reasonable size range, which can avoid the case that the cost is easily increased due to the longer size and the horizontal section 102 is easily blocked by the vertical section 101 more, which is not conducive to heat exchange, and also avoids the case that the size is too short and is not conducive to processing and design.

[0075] In some embodiments, the length of the inclined section 103 of the first heat exchanger 4 is L5, and 30mm≤L5≤60mm. For example, the structure of the two inclined sections 103 of the first heat exchanger 4 can be the same, and the length L5 can be the extension size of the inclined section 103 of the first heat exchanger 4 in the left-right direction, and the length L5 can be 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, etc. The distance L5 within the range can ensure the amount of air flowing in through the first air inlet 12.

[0076] In some embodiments, the length of the inclined section 103 of the second heat exchanger 5 is L6, and 30mm≤L6≤60mm. For example, the structure of the two inclined sections 103 of the second heat exchanger 5 can be the same, and the length L6 can be the extension size of the inclined section 103 of the second heat exchanger 5 in the left-right direction, and the length L6 can be 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, etc. The distance L6 within the range can ensure the amount of air flowing in through the second air inlet 13.

[0077] In some embodiments, as shown in Figure 1 , Figure 3 and Figure 4 , the centrifugal fan 2 includes a volute 21 and a centrifugal fan blade 22, and the volute 21 is in communication with the bottom air inlet 11, the first air inlet 12, the second air inlet 13, and the air outlet 14.

[0078] For example, the material of the volute 21 can be metal, plastic, etc., and the volute 21 as a whole can be a whistle-shaped structure and include a cylindrical portion and a tube portion, wherein the outer circumferential side of the cylindrical portion and the axial ends of the cylindrical portion are open structures, thereby meeting the use needs of the bottom air inlet 11, the first air inlet 12, and the second air inlet 13 into the volute 21.

[0079] The tube portion can generally extend in the front-rear direction, the rear end of the tube portion can be connected with the cylindrical portion, and the front end of the tube portion can also be an open structure and be in communication with the air outlet 14, thereby meeting the use needs of sending air flow.

[0080] For example, the material of the volute 21 can be metal, plastic, etc., and the volute 21 as a whole can be a whistle-shaped structure and include a cylindrical portion and a tube portion, wherein the outer circumferential side of the cylindrical portion and the axial ends of the cylindrical portion are open structures, thereby meeting the use needs of the bottom air inlet 11, the first air inlet 12, and the second air inlet 13 into the volute 21. Figure 1 and Figure 3As shown, the centrifugal fan blade 22 is disposed inside the volute 21, and the rotation axis of the centrifugal fan 2 can extend in the left and right direction. When the centrifugal fan 2 is running, the airflow can flow into the housing 1 through the bottom air inlet 11, the first air inlet 12, and the second air inlet 13 respectively. After heat exchange with the bottom heat exchanger 3, the first heat exchanger 4, and the second heat exchanger 5, the airflow can enter the volute 21 and finally be discharged through the air outlet 14.

[0081] In some embodiments, the distance between the inclined section 103 of the first heat exchanger 4 toward the end of the centrifugal fan 2 and the volute 21 of the centrifugal fan 2 is L7, 10mm≤L7≤40mm.

[0082] For example, such as Figure 1 As shown, the end of the inclined section 103 of the first heat exchanger 4 facing the centrifugal fan 2 can be the right end of each inclined section 103 of the first heat exchanger 4. The distance L7 can specifically be the distance between the right end of the inclined section 103 of the first heat exchanger 4 and the left wall of the volute 21. The distance L7 can specifically be 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, etc.

[0083] This limits the spacing between the first heat exchanger 4 and the centrifugal fan 2, which satisfies the requirement that the airflow from the first heat exchanger 4 flows directly to the centrifugal fan 2, while avoiding direct contact between the first heat exchanger 4 and the centrifugal fan 2, thus avoiding resonance and other issues, and improving the stability of use.

[0084] In some embodiments, the distance between the inclined section 103 of the second heat exchanger 5 toward the end of the centrifugal fan 2 and the volute 21 of the centrifugal fan 2 is L8, where 10mm≤L8≤40mm.

[0085] For example, such as Figure 1 As shown, the end of the inclined section 103 of the second heat exchanger 5 facing the centrifugal fan 2 can be the left end of each inclined section 103 of the second heat exchanger 5. The distance L8 can specifically be the distance between the left end of the inclined section 103 of the second heat exchanger 5 and the right side wall of the volute 21. The distance L8 can specifically be 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, etc.

[0086] This limits the spacing between the second heat exchanger 5 and the centrifugal fan 2, which satisfies the requirement that the airflow from the second heat exchanger 5 flows directly to the centrifugal fan 2, while avoiding direct contact between the second heat exchanger 5 and the centrifugal fan 2, thus avoiding resonance and other issues, and improving the stability of use.

[0087] In some embodiments, the distance between the upper horizontal section 102 of the two horizontal sections 102 of the first heat exchanger 4 and the top wall of the shell 1 is L9, and 10mm≤L9≤40mm.

[0088] For example, as shown in Figure 1 , the distance L9 can be the distance between the upper surface of the upper horizontal section 102 of the first heat exchanger 4 and the top wall of the shell 1, and the distance L9 can be 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, etc. Thus, the direct contact between the first heat exchanger 4 and the shell 1 can be reduced, which is conducive to reducing vibration and improving the stability of operation.

[0089] In some embodiments, the distance between the upper horizontal section 102 of the two horizontal sections 102 of the second heat exchanger 5 and the top wall of the shell 1 is L10, and 10mm≤L10≤40mm.

[0090] For example, as shown in Figure 1 , the distance L10 can be the distance between the upper surface of the upper horizontal section 102 of the second heat exchanger 5 and the top wall of the shell 1, and the distance L10 can be 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, etc. Thus, the direct contact between the second heat exchanger 5 and the shell 1 can be reduced, which is conducive to reducing vibration and improving the stability of operation.

[0091] In some embodiments, the shell 1 comprises a base 15 and a panel 16, the base 15 and the panel 16 are oppositely arranged in a direction perpendicular to the length direction, the bottom air inlet 11 is located between the bottom side of the base 15 and the bottom side of the panel 16, and the air outlet 14 is provided on the top of the panel 16.

[0092] For example, as shown in Figure 3 , the base 15 and the panel 16 can be oppositely arranged in the front-rear direction, and the panel 16 can be provided on the front side of the base 15. The base 15 and the panel 16 can both extend along the left-right direction, and the bottom side edges of the base 15 and the panel 16 can be spaced apart in the front-rear direction. The above-mentioned bottom air inlet 11 can be formed between the bottom side edges of the base 15 and the panel 16, and the above-mentioned bottom grille 6 can also be installed between the bottom side edges of the base 15 and the panel 16.

[0093] The air outlet 14 can be a square opening, and the air outlet 14 can be provided on the panel 16 and extend through the panel 16 in the front-rear direction, and the air outlet 14 is arranged adjacent to the top side edge of the panel 16, thereby fully meeting the use needs of the upper air outlet.

[0094] In some embodiments, the distance between the lower horizontal section 102 of the two horizontal sections 102 of the first heat exchanger 4 and the base 15 in the up-down direction is L11, and 10mm≤L11≤30mm. It should be noted that a part of the base 15 can protrude into the shell 1 and can be located below the first heat exchanger 4. The distance L11 can be the distance between the lower surface of the lower horizontal section 102 of the first heat exchanger 4 and the part of the base 15 that protrudes inward. Specifically, the distance L11 can be 10mm, 15mm, 20mm, 25mm, or 30mm. Thus, the direct contact between the first heat exchanger 4 and the shell 1 can be further reduced, which is conducive to reducing vibration and improving the stability of operation.

[0095] In some embodiments, the distance between the lower horizontal section 102 of the two horizontal sections 102 of the second heat exchanger 5 and the base 15 in the up-down direction is L12, and 10mm≤L12≤30mm.

[0096] The distance L12 can be the distance between the lower surface of the lower horizontal section 102 of the second heat exchanger 5 and the part of the base 15 that protrudes inward. Specifically, the distance L12 can be 10mm, 15mm, 20mm, 25mm, or 30mm. Thus, the direct contact between the second heat exchanger 5 and the shell 1 can be further reduced, which is conducive to reducing vibration and improving the stability of operation.

[0097] In some embodiments, the angle between the upper inclined section 103 of the two inclined sections 103 of the first heat exchanger 4 and the length direction is angle a, and 15°≤a≤60°.

[0098] For example, as shown in FIG. 2, the upper inclined section 103 of the first heat exchanger 4 is arranged to be inclined in the direction from the lower left to the upper right. The angle between the inclined section 103 and the horizontal direction is angle a. Specifically, angle a can be 15°, 20°, 25°, 30°, 35°, 40°, 45°, 50°, 55°, or 60°. Thus, the air inlet amount at the first air inlet 12 can be ensured. Figure 1

[0099] In some embodiments, the angle between the upper inclined section 103 of the two inclined sections 103 of the second heat exchanger 5 and the length direction is angle b, and 15°≤b≤60°.

[0100] For example, as shown in FIG. 2, the upper inclined section 103 of the second heat exchanger 5 is arranged to be inclined in the direction from the upper left to the lower right. The angle between the inclined section 103 and the horizontal direction is angle b. Specifically, angle b can be 15°, 20°, 25°, 30°, 35°, 40°, 45°, 50°, 55°, or 60°. Thus, the air inlet amount at the second air inlet 13 can be ensured. Figure 1

[0101] ​​In some embodiments, the angle between the lower inclined segment 103 of the two inclined segments 103 of the first heat exchanger 4 and the length direction is angle c, where 15°≤c≤45°.

[0102] For example, such as Figure 1 As shown, the inclined section 103 below the first heat exchanger 4 is generally arranged inclined from the upper left to the lower right. The angle between this inclined section 103 and the horizontal direction is angle c, which can be 15°, 20°, 25°, 30°, 35°, 40°, 45°, 50°, 55°, 60°, etc. This helps to ensure the air intake at the first air inlet 12.

[0103] In some embodiments, the angle between the lower inclined segment 103 of the two inclined segments 103 of the second heat exchanger 5 and the length direction is angle d, where 15°≤d≤45°.

[0104] For example, such as Figure 1 As shown, the inclined section 103 below the second heat exchanger 5 is generally arranged inclined from the lower left to the upper right. The angle between this inclined section 103 and the horizontal direction is angle d, which can be 15°, 20°, 25°, 30°, 35°, 40°, 45°, 50°, 55°, 60°, etc. This helps to ensure the air intake at the second air inlet 13.

[0105] In some embodiments, such as Figure 1 , Figure 3 and Figure 4 As shown, the air conditioner also includes a bottom grille 6, a first grille 7, and a second grille 8. The bottom grille 6, the first grille 7, and the second grille 8 can all be roughly flat.

[0106] The bottom grille 6 is located at the bottom air inlet 11, and the bottom heat exchanger 3 is located between the bottom grille 6 and the centrifugal fan 2. Specifically, the bottom grille 6 can be installed inside the bottom air inlet 11 with fasteners such as screws, thereby blocking foreign objects.

[0107] The first grille 7 is located at the first air inlet 12, the first heat exchanger 4 is located between the first grille 7 and the centrifugal fan 2, the second grille 8 is located at the second air inlet 13, and the second heat exchanger 5 is located between the second grille 8 and the centrifugal fan 2. The first grille 7 can be fixed inside the first air inlet 12 with fasteners, and the second grille 8 can be fixed inside the second air inlet 13 with fasteners, thus both the first grille 7 and the second grille 8 can serve to block foreign objects.

[0108] It should be noted that, Figure 4 The first heat exchanger 4 and the second heat exchanger 5 in the diagram are for illustrative purposes only and do not represent the specific structural form of the first heat exchanger 4 and the second heat exchanger 5.

[0109] In some embodiments, the air conditioner comprises a water collecting tray 9, which is arranged between the bottom grille 6 and the bottom heat exchanger 3, and the length dimension M of the water collecting tray 9 is not less than any one of the distance M1 between the first heat exchanger 4 and the second heat exchanger 5, the length dimension M2 of the bottom heat exchanger 3.

[0110] For example, as shown in Figure 1 the length direction can be the left-right direction, the water collecting tray 9 can extend along the left-right direction, and the length dimension M is the dimension of the water collecting tray 9 in the left-right direction. The distance M1 is the distance between the left side wall of the vertical section 101 of the first heat exchanger 4 and the right side wall of the vertical section 101 of the second heat exchanger 5 in the left-right direction. The bottom heat exchanger 3 extends along the left-right direction, and the length dimension M2 is the dimension of the bottom heat exchanger 3 in the left-right direction.

[0111] As shown in Figure 1 the length dimension M is greater than the distance M1, the length dimension M is also greater than the length dimension M2, and the left end of the water collecting tray 9 can exceed the left side of the bottom heat exchanger 3 and the first heat exchanger 4, and the right end of the water collecting tray 9 can exceed the right side of the bottom heat exchanger 3 and the second heat exchanger 5. Thus, the water collecting tray 9 can meet the use requirements of collecting the condensed water dripping from the bottom heat exchanger 3, the first heat exchanger 4 and the second heat exchanger 5.

[0112] In some embodiments, as shown in Figure 3 the bottom heat exchanger 3 can have a V-shaped structure as a whole, the water collecting tray 9 can be located directly below the protruding part of the bottom heat exchanger 3, thereby facilitating the collection of the condensed water and other liquids dripping from the bottom heat exchanger 3.

[0113] The air conditioner of the embodiment of the utility model can be applied to an air conditioning system, which can further comprise an air conditioner outdoor unit, corresponding connecting pipelines and the like. The air conditioning system of the embodiment of the utility model has the advantages of large air supply wind pressure, large air supply angle, long air supply distance, large air supply volume and the like compared with a traditional air conditioner, and the form of air outlet at the upper part also has the advantages of avoiding direct blowing of cold air to a person and more natural coolness.

[0114] Secondly, the air flow can enter from the bottom, the left side and the right side under the action of the centrifugal fan, flow along the air duct after passing through the evaporators at the bottom, the left side and the right side, and finally flow out at a certain angle range at the air outlet.

[0115] In this way, on the one hand, the problem of the quick sinking of cold air in the refrigeration mode can be solved, so that the cold air can flow uniformly and slowly to a larger range; on the other hand, the air supply amount and the air supply distance can be greatly improved, so that the airflow can uniformly cover the entire room, improve the air supply effect, ensure the uniformity of the temperature of the entire room area, and thus also ensure the overall use comfort of the user.

[0116] Although the above-mentioned embodiments have been shown and described, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the present application, and the changes, modifications, replacements and modifications of the above-mentioned embodiments made by those skilled in the art are within the protection scope of the present application.

Claims

1. An air conditioner characterized by comprising: The application relates to a heat exchanger, comprising: a shell provided with a bottom air inlet, a first air inlet, a second air inlet and an air outlet, the bottom air inlet being arranged at the bottom of the shell, the first air inlet and the second air inlet being arranged at the side of the shell and opposite to each other in the length direction of the shell, and the air outlet being arranged above the bottom air inlet; a centrifugal fan and a bottom heat exchanger, the centrifugal fan being arranged in the shell, and the bottom heat exchanger being arranged between the bottom air inlet and the centrifugal fan and used for heat exchange with air flow flowing from the bottom air inlet; a first heat exchanger and a second heat exchanger, the first heat exchanger being arranged between the first air inlet and the centrifugal fan and used for heat exchange with air flow flowing from the first air inlet, and the second heat exchanger being arranged between the second air inlet and the centrifugal fan and used for heat exchange with air flow flowing from the second air inlet; the first heat exchanger and the second heat exchanger are both in the shape of a groove in the vertical plane parallel to the length direction, and the groove opening of the groove is directed towards the centrifugal fan.

2. The air conditioner of claim 1, wherein The groove comprises: a vertical section arranged in the up-down direction; two horizontal sections, both of which are horizontally arranged, one of which is connected to the top side of the vertical section, and the other of which is connected to the bottom side of the vertical section, and both of which are located on the side of the vertical section directed towards the centrifugal fan; two inclined sections, both of which are arranged opposite to each other in the up-down direction, the distance between the two inclined sections gradually increases in the direction close to the centrifugal fan, and both of which are connected between the vertical section and the two inclined sections respectively.

3. The air conditioner of claim 2, wherein In the length direction, the distance between the vertical section of the first heat exchanger and the first air inlet is L1, and the distance between the vertical section of the second heat exchanger and the second air inlet is L2; 20mm<=L1<=60mm; and / or, 20mm<=L2<=60mm.

4. The air conditioner of claim 2, wherein In the length direction, the vertical section has an outer wall surface away from the centrifugal fan, the distance between the end of the horizontal section of the first heat exchanger directed towards the centrifugal fan and the outer wall surface of the vertical section of the first heat exchanger is L3, and the distance between the end of the horizontal section of the second heat exchanger directed towards the centrifugal fan and the outer wall surface of the vertical section of the second heat exchanger is L4; 30mm<=L3<=50mm; and / or, 30mm<=L4<=50mm.

5. The air conditioner of claim 2, wherein The size of the inclined section of the first heat exchanger in the length direction is L5, and the size of the inclined section of the second heat exchanger in the length direction is L6; 30mm<=L5<=60mm; and / or, 30mm<=L6<=60mm.

6. The air conditioner of claim 2, wherein The distance between the end of the inclined section of the first heat exchanger directed towards the centrifugal fan and the volute of the centrifugal fan is L7, and the distance between the end of the inclined section of the second heat exchanger directed towards the centrifugal fan and the volute of the centrifugal fan is L8; 10mm<=L7<=40mm; and / or, 10mm<=L8<=40mm.

7. The air conditioner of claim 2, wherein A distance between the upper one of the two horizontal sections of the first heat exchanger and the top wall of the shell is L9, and a distance between the upper one of the two horizontal sections of the second heat exchanger and the top wall of the shell is L10; 10mm≤L9≤40mm; and / or, 10mm≤L10≤40mm.

8. The air conditioner of claim 2, wherein The shell comprises a base and a panel, which are oppositely arranged in a direction orthogonal to the length direction, the bottom air inlet is located between the bottom side of the base and the bottom side of the panel, and the air outlet is provided at the top of the panel; A distance between the lower one of the two horizontal sections of the first heat exchanger and the base in the up-down direction is L11, and a distance between the lower one of the two horizontal sections of the second heat exchanger and the base in the up-down direction is L12; 10mm≤L11≤30mm; and / or, 10mm≤L12≤30mm.

9. The air conditioner of claim 2, wherein An included angle between the upper one of the two inclined sections of the first heat exchanger and the length direction is angle a, and an included angle between the upper one of the two inclined sections of the second heat exchanger and the length direction is angle b; 15°≤a≤60°; and / or, 15°≤b≤60°.

10. The air conditioner of claim 2, wherein An included angle between the lower one of the two inclined sections of the first heat exchanger and the length direction is angle c, and an included angle between the lower one of the two inclined sections of the second heat exchanger and the length direction is angle d; 15°≤c≤45°; and / or, 15°≤d≤45°.

11. The air conditioner of claim 1, wherein Further comprising: A bottom grid provided at the bottom air inlet, the bottom heat exchanger being located between the bottom grid and the centrifugal fan; A first grid provided at the first air inlet, the first heat exchanger being located between the first grid and the centrifugal fan, and a second grid provided at the second air inlet, the second heat exchanger being located between the second grid and the centrifugal fan; And / or, comprising a water pan provided between the bottom grid and the bottom heat exchanger, and in the length direction, a length dimension M of the water pan is not less than any one of a distance M1 between the first heat exchanger and the second heat exchanger, and a length dimension M2 of the bottom heat exchanger.

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