Indoor air conditioner cabinet

Abstract

The invention discloses an indoor air conditioner cabinet which comprises a cabinet body, a door plate and an indoor unit assembly. An accommodating cavity is formed in the cabinet body. The door plate is arranged at a cabinet opening of the cabinet body and can seal the accommodating cavity. The indoor unit assembly is arranged in the accommodating cavity and can refrigerate. An indoor unit ventilation opening for air circulation is formed in the indoor unit assembly, and a cabinet body ventilation opening which is communicated with the accommodating cavity and is arranged opposite to the indoor unit ventilation opening is formed in the cabinet main body; when the indoor unit assembly refrigerates, air is concentrated at the indoor unit ventilation opening through the cabinet body ventilation opening to circulate; the overall appearance of the indoor air conditioner cabinet can be kept simple, the appearance coordination with other indoor cabinet bodies can be kept, and the use experience of a user is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of air-conditioning cabinets, and particularly to an indoor air-conditioning cabinet. Background Art

[0002] An indoor unit of an air conditioner is a part of a split air conditioner, which is installed indoors to achieve heat exchange with indoor air, thereby adjusting the indoor temperature; the indoor unit of the air conditioner includes a wall-mounted type and a floor-standing type. The wall-mounted indoor unit of the air conditioner is installed on the wall and is loved by many users because it does not occupy floor space; in the existing wall-mounted indoor unit of the air conditioner, the air is blown from top to bottom; since the wall-mounted indoor unit of the air conditioner needs to be exposed to circulate air, the wall-mounted indoor unit of the air conditioner is not coordinated with other cabinets in the room in appearance. Generally, an air-conditioning cover needs to be custom-made for shielding. However, in order to enable the wall-mounted indoor unit of the air conditioner to intake and exhaust air normally, the existing air-conditioning cover has openings at the top and bottom, and still fails to completely shield the wall-mounted indoor unit of the air conditioner, affecting the coordination in appearance with other cabinets in the room. Summary of the Invention

[0003] The object of the present invention is to provide an indoor air-conditioning cabinet, which can keep the overall shape of the indoor air-conditioning cabinet simple and improve the coordination in appearance with other cabinets in the room.

[0004] The object of the present invention is achieved by the following technical solutions:

[0005] An indoor air-conditioning cabinet includes a cabinet body with an accommodation chamber formed inside, a door panel provided at the cabinet opening of the cabinet body for closing the accommodation chamber, and an indoor unit assembly provided in the accommodation chamber and capable of refrigerating; the indoor unit assembly is formed with an indoor unit ventilation opening for air circulation, and the cabinet body is formed with a cabinet ventilation opening communicating with the accommodation chamber and opposite to the indoor unit ventilation opening; when the indoor unit assembly refrigerates, air flows through the cabinet ventilation opening and concentrates at the indoor unit ventilation opening for circulation.

[0006] Based on the above technical solutions, the present invention can be improved as follows:

[0007] Further, the indoor unit ventilation opening includes a first indoor unit ventilation opening for introducing outdoor fresh air, a second indoor unit ventilation opening for indoor return air, and a third indoor unit ventilation opening for blowing cold air; air enters the indoor unit assembly from the first indoor unit ventilation opening and the second indoor unit ventilation opening respectively, flows inside the indoor unit assembly and is refrigerated, and then is blown out through the third indoor unit ventilation opening;

[0008] The cabinet ventilation opening includes a first cabinet ventilation opening opposite to the first indoor unit ventilation opening, a second cabinet ventilation opening opposite to the second indoor unit ventilation opening, and a third cabinet ventilation opening opposite to the third indoor unit ventilation opening.

[0009] Further, the second indoor unit ventilation opening is located on one side of the indoor unit assembly, and the third indoor unit ventilation opening is located on the other side of the indoor unit assembly;

[0010] The second cabinet ventilation opening is located on the side of the cabinet body opposite to the second indoor unit ventilation opening, and the third cabinet ventilation opening is located on the other side of the cabinet body opposite to the third indoor unit ventilation opening.

[0011] Further, the indoor unit assembly is also provided with a refrigerant connector, the refrigerant connector is connected to an outdoor unit installed outdoors through a refrigerant pipe, and a through hole for the refrigerant pipe to pass through is formed on the cabinet body.

[0012] Further, the second cabinet ventilation opening and the third cabinet ventilation opening are detachably installed with air outlet grilles, and the air outlet grilles have grid holes that can divide the air into multiple airflows when the air circulates.

[0013] Further, a fixing plate is fixedly arranged at the second indoor unit ventilation opening, an opening is formed on the fixing plate; a rotatable rotating plate is arranged on the fixing plate, and a ventilation groove is formed on the rotating plate; when the rotating plate is rotated, the opening and the ventilation groove can be made to be opposite or misaligned to open or close the second indoor unit ventilation opening.

[0014] Further, an electric driving member is arranged on the fixing plate, and the electric driving member is drivingly connected to the rotating plate to drive the rotating plate to rotate relative to the fixing plate.

[0015] Further, the indoor unit assembly includes a casing, and a heat exchanger, a wind wheel assembly and a wind guiding assembly are sequentially arranged in the casing along the air flow direction;

[0016] The heat exchanger divides the internal space of the casing into a first air cavity and a second air cavity, the first indoor unit ventilation opening and the second indoor unit ventilation opening communicate with the first air cavity, the third indoor unit ventilation opening communicates with the second air cavity, and the wind wheel assembly and the wind guiding assembly are located in the second air cavity.

[0017] Further, the wind wheel assembly includes a cross-flow wind wheel and a driving motor, the rotation axis of the cross-flow wind wheel is parallel to the vertical direction, the driving motor is fixed in the casing, and the output end of the driving motor is drivingly connected to the cross-flow wind wheel.

[0018] Further, the wind guiding assembly includes a volute part and a volute tongue arranged on one side of the volute part, the volute part and the volute tongue respectively extend towards a side wall of the casing, and a wind guiding channel is formed between the volute part and the volute tongue, and the third indoor unit ventilation opening communicates with the wind guiding channel.

[0019] Compared with the prior art, the technology of the present invention has the following advantages:

[0020] By providing a cabinet main body and a door panel, the present invention can form a closed accommodation chamber to shield the indoor unit assembly built in the cabinet main body. A cabinet ventilation opening is formed on the cabinet main body opposite to the indoor unit ventilation opening. Through this cabinet ventilation opening, air circulation can be carried out when the indoor unit assembly is refrigerating, avoiding the exposure of the indoor unit assembly, keeping the overall appearance of the indoor air conditioner cabinet simple, and being able to maintain the appearance coordination with other cabinets in the room, improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be further described in detail below with reference to the drawings and specific embodiments.

[0022] Figure 1 FIG. 10 is a schematic front view of the indoor air conditioner cabinet in Embodiment 1;

[0023] Figure 2 FIG. 14 is a schematic rear view of the indoor air conditioner cabinet in Embodiment 1;

[0024] Figure 3 FIG. 18 is a schematic front view of the indoor unit assembly in Embodiment 1;

[0025] Figure 4 FIG. 22 is a schematic front view of the indoor unit assembly in Embodiment 1;

[0026] Figure 5 FIG. 26 is a schematic internal view of the indoor unit assembly in Embodiment 1;

[0027] Figure 6 FIG. 30 is a schematic view of the ventilation structure in Embodiment 1;

[0028] Figure 7 FIG. 34 is a schematic view of the fixing plate in Embodiment 1;

[0029] Figure 8 FIG. 38 is a schematic view of the rotating plate in Embodiment 1;

[0030] Figure 9 FIG. 42 is a schematic view of the heat exchanger connecting the water collecting tray in Embodiment 1;

[0031] Figure 10 FIG. 46 is a schematic view of the overflow box connecting the atomizing nozzle in Embodiment 1;

[0032] Figure 11 FIG. 50 is a schematic view of the double cross-flow fan in Embodiment 1;

[0033] Figure 12 FIG. 54 is a schematic view of the single cross-flow fan in Embodiment 1;

[0034] Figure 13 FIG. 58 is a schematic front view of the indoor air conditioner cabinet in Embodiment 2;

[0035] Figure 14 Schematic diagram of the front side structure of the indoor air-conditioning cabinet in Embodiment 3;

[0036] Figure 15 Schematic diagram of the front side structure of the indoor unit assembly in Embodiment 3;

[0037] Figure 16 Schematic diagram of the front side structure of the indoor air-conditioning cabinet in Embodiment 4;

[0038] Figure 17 Schematic diagram of the rear side structure of the indoor air-conditioning cabinet in Embodiment 4;

[0039] Figure 18 Schematic diagram of the internal structure of the indoor unit assembly in Embodiment 5.

[0040] Markings on the drawings: 1 - cabinet body, 1a - bottom plate, 1b - top plate, 1c - back plate, 1d - left side plate, 1e - right side plate, 1f - door panel, 101 - first cabinet ventilation opening, 102 - second cabinet ventilation opening, 103 - third cabinet ventilation opening, 2 - first air outlet grille, 3 - second air outlet grille, 4 - housing, 4a - top wall, 4b - bottom wall, 4c - left side wall, 4d - right side wall, 4e - front side wall, 4f - rear side wall, 401 - first indoor unit ventilation opening, 402 - second indoor unit ventilation opening, 403 - third indoor unit ventilation opening, 5 - heat exchanger, 6 - fixing plate, 7 - rotating plate, 8 - rotating motor, 9 - circular driving gear, 10 - annular driven gear, 11 - water collecting tray, 12 - refrigerant joint, 13 - overflow box, 14 - air-conditioning control box, 15 - liquid level sensor, 16 - cross-flow fan, 17 - double-headed motor, 18 - single-headed motor, 19 - volute part, 20 - volute tongue, 21 - partition plate, 22 - atomizing nozzle, 23 - liquid supply pump. Detailed implementation manners

[0041] The following further explains the specific implementation manners of the present invention with reference to the drawings. The explanations of these implementation manners are used to help understand the present invention, but do not limit the present invention. In addition, the technical features involved in the various implementation manners of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0042] Embodiment 1

[0043] See Figures 1 to 12, this embodiment relates to an indoor air-conditioning cabinet, which includes a cabinet main body 1 and an indoor unit assembly disposed within the cabinet main body 1 that can inhale air, cool it, and then blow it out. A receiving chamber for accommodating the indoor unit assembly is formed inside the cabinet main body 1, and the cabinet main body 1 is provided with a first cabinet ventilation opening 101, a second cabinet ventilation opening 102, and a third cabinet ventilation opening 103 that communicate with the receiving chamber. The indoor unit assembly has a first indoor unit ventilation opening 401, a second indoor unit ventilation opening 402, and a third indoor unit ventilation opening 403. The first indoor unit ventilation opening 401 is used to connect to a fresh air pipe and introduce outdoor fresh air, the second indoor unit ventilation opening 402 is used to blow out the cooled cold air, and the third indoor unit ventilation opening 403 is used to return indoor air.

[0044] When the indoor unit assembly is installed inside the cabinet main body 1, the first indoor unit ventilation opening 401 and the first cabinet ventilation opening 101 are oppositely arranged to facilitate connecting to the fresh air pipe and introducing outdoor fresh air; the second indoor unit ventilation opening 402 and the second cabinet ventilation opening 102 are oppositely arranged to facilitate blowing cold air into the room; the third indoor unit ventilation opening 403 and the third cabinet ventilation opening 103 are oppositely arranged to facilitate returning indoor air.

[0045] The indoor unit assembly is also provided with a refrigerant connector 12. A refrigerant pipe is connected to the refrigerant connector 12, and the end of the refrigerant pipe extends out of the cabinet main body 1, passes through the wall, and is connected to an outdoor unit installed outdoors. A perforation through which the refrigerant pipe can pass is provided on the cabinet main body 1; this perforation can be arranged opposite to the refrigerant connector 12, or can also be arranged non-opposite to the refrigerant connector 12 according to the actual situation, as long as it can allow the refrigerant pipe to extend out of the cabinet main body 1 to achieve connection to the outdoor unit.

[0046] It should be noted that in this embodiment, the outdoor unit is a conventional split-type air-conditioning outdoor unit in the prior art, which is used to circulate and cool the refrigerant and transport it to the indoor unit assembly to cool the inhaled air. Any split-type air-conditioning outdoor unit can be applicable to the indoor air-conditioning cabinet in this embodiment and can also achieve the same refrigeration effect. Those skilled in the art can select according to actual refrigeration needs; the refrigerant pipe is made of a copper pipe in the prior art, and a heat-insulating sleeve is sleeved on the copper pipe to reduce the absorption of external heat.

[0047] The indoor unit assembly is provided with an openable and closable ventilation structure at the second indoor unit ventilation opening 402. By adjusting the opening degree of the ventilation structure, the indoor air return volume can be adjusted, and accordingly, the proportion of fresh air and return air entering the indoor unit assembly can be changed, improving the comfort experience of users.

[0048] Specifically, the cabinet body 1 is a rectangular cabinet structure, including a bottom plate 1a, a top plate 1b, a back plate 1c, a left side plate 1d and a right side plate 1e that are spliced together. The inner surfaces of the bottom plate 1a, the top plate 1b, the back plate 1c, the left side plate 1d and the right side plate 1e enclose an accommodation chamber. A cabinet opening communicating with the accommodation chamber is formed on the cabinet body 1. The cabinet opening is disposed opposite to the back plate 1c, and a door panel 1f is connected at the cabinet opening. During assembly, the indoor unit assembly is installed into the accommodation chamber inside the cabinet body 1 through the cabinet opening, and after installation, the door panel 1f is closed to shield the indoor unit assembly, keeping the overall appearance of the indoor air conditioner cabinet simple and improving the indoor aesthetics.

[0049] In this embodiment, two door panels 1f are provided, which are respectively connected to the left side plate 1d and the right side plate 1e of the cabinet body 1 through hinges to form a double-door structure. According to the actual situation, one door panel 1f can also be provided, which is connected to the left side plate 1d or the right side plate 1e of the cabinet body 1 through a hinge to form a single-side opening structure, which can also achieve shielding of the indoor unit assembly.

[0050] In this embodiment, the first indoor unit ventilation opening 401 is located at the top of the indoor unit assembly, the second indoor unit ventilation opening 402 is located on the left side of the indoor unit assembly, and the third indoor unit ventilation opening 403 is located on the right side of the indoor unit assembly. Correspondingly, the first cabinet ventilation opening 101 is provided on the top plate 1b of the cabinet body 1 and is disposed opposite to the first indoor unit ventilation opening 401; the second cabinet ventilation opening 102 is provided on the left side plate 1d of the cabinet body 1 and is disposed opposite to the second indoor unit ventilation opening 402; the third cabinet ventilation opening 103 is provided on the right side plate 1e of the cabinet body 1 and is disposed opposite to the third indoor unit ventilation opening 403.

[0051] The first cabinet ventilation opening 101 is a circular air outlet structure, and the diameter of the first cabinet ventilation opening 101 is larger than the diameter of the fresh air pipe, so that the indoor end of the fresh air pipe can penetrate into the cabinet body 1 to connect to the first indoor unit ventilation opening 401 of the indoor unit assembly. According to actual needs, the first cabinet ventilation opening 101 can also be replaced with an air outlet structure of other shapes, such as a rectangular or square air outlet structure, which can also achieve the connection of the indoor end of the fresh air pipe to the first indoor unit ventilation opening 401 of the indoor unit assembly.

[0052] Both the second cabinet ventilation opening 102 and the third cabinet ventilation opening 103 are rectangular air outlet structures arranged vertically. Among them, the caliber of the second cabinet ventilation opening 102 is larger than the caliber of the second indoor unit ventilation opening 402 to increase the cold air blowing area; the caliber of the third cabinet ventilation opening 103 is larger than the caliber of the third indoor unit ventilation opening 403 to increase the indoor air return area.

[0053] The second cabinet ventilation opening 102 is detachably installed with a first air vent grille 2, and the third cabinet ventilation opening 103 is installed with a second air vent grille 3; both the first air vent grille 2 and the second air vent grille 3 are rectangular grille structures, including an outer frame, and a plurality of horizontal plates and vertical plates arranged within the outer frame. The horizontal plates and the vertical plates are orthogonal to each other, forming a plurality of grid holes within the outer frame to divide the air into multiple airflows, which are blown out and refluxed from the side of the cabinet body 1, avoiding the influence of the indoor floor height on the airflows, effectively promoting the circulation of indoor air, and improving the comfort experience of users.

[0054] The first air vent grille 2 and the second air vent grille 3 are provided with edge portions on the outer peripheral side of the outer frame; during specific installation, the first air vent grille 2 is embedded in the second cabinet ventilation opening 102, and the edge portion on the first air vent grille 2 is attached to the outer plate surface of the left side plate 1d and locked with bolts for fixation. The second air vent grille 3 is embedded in the third cabinet ventilation opening 103, and the edge portion on the second air vent grille 3 is attached to the outer plate surface of the right side plate 1e and locked with bolts for fixation; in this embodiment, the first air vent grille 2 and the second air vent grille 3 adopt an embedded installation method, which is convenient for disassembly and assembly and is conducive to maintenance and cleaning.

[0055] It should be noted that since the installation positions of the second cabinet ventilation opening 102 and the third cabinet ventilation opening 103 on the cabinet body 1 correspond to the second indoor unit ventilation opening 402 and the third indoor unit ventilation opening 403 on the indoor unit assembly respectively, during actual installation, the cabinet body 1 should be installed at a suitable position indoors to avoid the indoor wall from blocking the second cabinet ventilation opening 102 and the third cabinet ventilation opening 103, and ensure the circulation of indoor air.

[0056] The indoor unit assembly includes a casing 4, a heat exchanger 5, a wind wheel assembly, and a wind guiding assembly arranged within the casing 4; a wind duct is formed inside the casing 4. The wind duct forms a first indoor unit ventilation opening 401 at the top of the casing 4, a second indoor unit ventilation opening 402 on the left side of the casing 4, and a third indoor unit ventilation opening 403 on the right side of the casing 4, so that air can enter the casing 4 through the first indoor unit ventilation opening 401 and the second indoor unit ventilation opening 402 respectively, and after flowing through the heat exchanger 5, the wind wheel assembly, and the wind guiding assembly in sequence along the wind duct, it is blown out of the casing 4 through the third indoor unit ventilation opening 403.

[0057] The casing 4 is a rectangular shell structure, including a top wall 4a, a bottom wall 4b, a left side wall 4c, a right side wall 4d, a front side wall 4e, and a rear side wall 4f that are spliced with each other. The top wall 4a and the bottom wall 4b are opposite up and down, the left side wall 4c and the right side wall 4d are opposite left and right, and the front side wall 4e and the rear side wall 4f are opposite front and back; during installation, the rear side wall 4f of the casing 4 is attached to the plate surface of the back plate 1c of the cabinet body 1 and fixed with bolts to fixedly install the indoor unit assembly within the cabinet body 1.

[0058] The first indoor unit ventilation opening 401 is formed on the top wall 4a of the housing 4, the second indoor unit ventilation opening 402 is formed on the left side wall 4c of the housing 4, and the third indoor unit ventilation opening 403 is formed on the right side wall 4d; among them, the positions of the second indoor unit ventilation opening 402 and the third indoor unit ventilation opening 403 can be set according to actual needs. For example, the second indoor unit ventilation opening 402 is set on the left side wall 4c of the housing 4, and the third indoor unit ventilation opening 403 is set on the front side wall 4e of the housing 4. It can also be that the second indoor unit ventilation opening 402 is set on the right side wall 4d of the housing 4, and the third indoor unit ventilation opening 403 is set on the front side wall 4e of the housing 4.

[0059] The first indoor unit ventilation opening 401 is of a circular ventilation opening structure and is used to connect the fresh air pipe and introduce outdoor fresh air; the second indoor unit ventilation opening 402 is of a circular ventilation opening structure and there are two arranged vertically on the left side wall 4c of the housing 4, and the third indoor unit ventilation opening 403 is of a rectangular ventilation opening structure; air circulates beside the indoor unit assembly through the second indoor unit ventilation opening 402 and the third indoor unit ventilation opening 403 to avoid the influence of the indoor floor height. Compared with the prior art's air supply method from top to bottom, it can improve the air flow range, and avoid directly blowing on the user's head, improving the comfort experience of the user.

[0060] The ventilation structure includes a fixing plate 6 arranged at the second indoor unit ventilation opening 402. An opening is formed on the fixing plate 6 for air circulation; a rotatable turning plate 7 is arranged on the fixing plate 6. The turning plate 7 can rotate relative to the fixing plate 6 around an axis, and a ventilation groove is formed on the turning plate 7; when the ventilation groove on the turning plate 7 is opposite to the opening on the fixing plate 6, the second indoor unit ventilation opening 402 is opened; when the ventilation groove on the turning plate 7 is misaligned with the opening on the fixing plate 6, the turning plate 7 closes the opening on the fixing plate 6 to close the second indoor unit ventilation opening 402.

[0061] In this embodiment, there are at least two openings on the fixing plate 6, and they are arranged at equal intervals around the center of the fixing plate 6. The opening is of a fan-shaped hole structure; correspondingly, there are at least two ventilation grooves on the turning plate 7 in this embodiment, and they are arranged at equal intervals around the center of the turning plate 7. The ventilation groove is of a V-shaped groove structure; when the turning plate 7 is rotated, the ventilation grooves on the turning plate 7 and the openings on the fixing plate 6 can be made to correspond one by one to open the second indoor unit ventilation opening 402; by rotating the turning plate 7, the relative degree between the ventilation groove and the opening is adjusted to adjust the opening degree of the second indoor unit ventilation opening 402, thereby adjusting the return air volume and changing the fresh air and return air ratio; when the second indoor unit ventilation opening 402 is completely closed, the indoor return air is stopped, and only outdoor fresh air is introduced.

[0062] The fixed plate 6 is provided with an electric driving member on the inner side, and the electric driving member is drivingly connected to the rotating plate 7 to facilitate driving the rotating plate 7 to rotate. The electric driving member is a rotating motor 8, and a circular driving gear 9 is connected to the output end of the rotating motor 8. The circular driving gear 9 has driving engagement teeth on its outer peripheral surface. The rotating plate 7 is fixedly provided with an annular driven gear 10 at the middle of the inner side. The annular driven gear 10 has driven engagement teeth on its inner peripheral surface. When the rotating motor 8 is started, the circular driving gear 9 and the annular driven gear 10 are meshed and driven with each other to drive the rotating plate 7 to rotate relative to the fixed plate 6. The rotating motor 8 is electrically connected to an air conditioner control box 14 built in the casing 4 through a cable.

[0063] The heat exchanger 5 is a flat tube-fin heat exchanger in the prior art. One end of the heat exchanger 5 is fixedly connected to the rear side wall 4f of the casing 4, and the other end of the heat exchanger 5 is fixedly connected to the front side wall 4e of the casing 4. After connection, the heat exchanger 5 is obliquely opposite to the second indoor air vent 402 to increase the contact area with air and improve the refrigeration effect on air. The heat exchanger 5 divides the internal space of the casing 4 into a first air cavity and a second air cavity. The first indoor air vent 401 and the second indoor air vent 402 communicate with the first air cavity, and the third indoor air vent 403 communicates with the second air cavity. The wind wheel assembly and the air guiding assembly are located in the second air cavity.

[0064] A water collecting tray 11 is provided at the bottom of the heat exchanger 5. The water collecting tray 11 is used to collect the condensed water generated when the heat exchanger 5 exchanges heat with air, and prevent the condensed water from contacting other electrical components and causing a short circuit. In this embodiment, two refrigerant connectors 12 are provided and are arranged on the rear side wall 4f of the casing 4. The two refrigerant connectors 12 respectively communicate with the refrigerant input end and the refrigerant output end of the heat exchanger 5.

[0065] The water collecting tray 11 is fixedly installed on the bottom wall 4b of the casing 4. An overflow box 13 is provided on one side of the water collecting tray 11, and an overflow port communicating with the overflow box 13 is provided. The overflow port is located at the top end of the side wall of the water collecting tray 11. When the condensed water in the water collecting tray 11 exceeds the preset water level, the condensed water can flow from the water collecting tray 11 into the overflow box 13 through the overflow port, thereby preventing the condensed water from overflowing and contacting other electrical components and causing a short circuit.

[0066] An atomizing nozzle 22 is provided at the third indoor air vent 403. A liquid supply pump 23 is connected between the atomizing nozzle 22 and the overflow box 13 through a liquid supply pipe. The liquid supply pump 23 is used to pressurize and convey the condensed water to the atomizing nozzle 22. The condensed water is atomized by the atomizing nozzle 22 and blown out with the cold air, which can not only increase the indoor humidity, but also make full use of the condensed water. In this embodiment, the number of atomizing nozzles 22 can be increased or decreased according to actual needs.

[0067] A liquid level sensor 15 is provided inside the overflow box 13. The liquid level sensor 15 is connected to the air conditioner control box 14 built in the cabinet 4 in a wired or wireless manner. The liquid level sensor 15 is used to monitor the water level in the overflow box 13 and send the water level value to the air conditioner control box 14. The air conditioner control box 14 is a prior art, having a box body and a drive circuit module loaded inside the box body. When the water level value is lower than the set threshold, the air conditioner control box 14 sends a shutdown signal to the liquid supply pump 23. When the water level value is higher than the set threshold, the air conditioner control box 14 sends a startup signal to the liquid supply pump 23 to resume delivering condensed water to the atomizing nozzle 22 for atomizing and humidifying.

[0068] The impeller assembly includes a cross-flow impeller 16 and a drive motor. The rotation axis of the cross-flow impeller 16 is parallel to the vertical direction. The drive motor is fixed inside the cabinet 4 through a bracket. The output end of the drive motor is drivingly connected to the cross-flow impeller 16. The drive motor is electrically connected to the air conditioner control box 14 through a cable. When the drive motor starts, it drives the cross-flow impeller 16 to rotate around the axis, so that air flows from the first air chamber to the second air chamber and blows out from the third indoor air vent 403.

[0069] In this embodiment, two cross-flow impellers 16 are provided. The drive motor is a double-headed motor 17 in the prior art. The two cross-flow impellers are axially connected to the two output ends on the double-headed motor 17 respectively. When the double-headed motor 17 starts, it can drive the two cross-flow impellers 16 to rotate around the rotation axis at the same time. According to the actual situation, in this embodiment, there can also be one cross-flow impeller 16. The drive motor is a single-headed motor 18 in the prior art. The axial length of the cross-flow impeller 16 corresponds to the length of the third indoor air vent 403. The cross-flow impeller 16 is connected to the output end of the single-headed motor 18.

[0070] The air guiding assembly includes a volute part 19 and a volute tongue 20 provided on one side of the volute part 19. The volute part 19 and the volute tongue 20 respectively extend towards the right side wall 4d of the cabinet 4. A air guiding channel is formed between the volute part 19 and the volute tongue 20. The volute part 19 is provided with an air guiding opening on the side opposite to the heat exchanger 5. The air guiding opening communicates with one end of the air guiding channel, and the other end of the air guiding channel communicates with the third indoor air vent 403. By forming a volute-like structure through the volute part 19 and the volute tongue 20, it is beneficial to evenly supply air and improve the comfort experience of users.

[0071] Embodiment Two

[0072] See Figure 13 , in this embodiment, compared with the technical solution of Embodiment One, the difference is that in this embodiment, a storage layer is formed at the bottom end of the cabinet body 1, and a storage space is formed inside the storage layer to facilitate storing daily necessities, so as to make full use of the internal space of the indoor air conditioner cabinet.

[0073] Specifically, a partition 21 is fixedly arranged inside the cabinet body 1 near the bottom plate 1a. The partition 21 divides the internal space of the cabinet body 1 into two layers vertically. A receiving chamber for accommodating the inner machine assembly is formed in the first layer, and a first door panel is correspondingly installed. The receiving chamber is closed by the first door panel to shield the inner machine assembly. The second layer serves as a storage layer, and a second door panel is correspondingly installed. The storage space is closed by the second door panel to prevent external dust from entering the storage layer. When the first door panel and the second door panel are closed, the two door panels 1f are flush with each other vertically on the cabinet body 1, keeping the overall appearance of the indoor air-conditioning cabinet simple and neat.

[0074] Embodiment Three

[0075] See Figure 14 and Figure 15 In this embodiment, compared with the technical solution of Embodiment One, the difference is that in this embodiment, the first inner machine ventilation opening 401 is located at the top of the inner machine assembly, the second inner machine ventilation opening 402 is located on the left side of the inner machine assembly, and the third inner machine ventilation opening 403 is located on the front side of the inner machine assembly. Correspondingly, the first cabinet ventilation opening 101 is arranged on the top plate 1b of the cabinet body 1 and is oppositely arranged with the first inner machine ventilation opening 401. The second cabinet ventilation opening 102 is arranged on the left side plate 1d of the cabinet body 1 and is oppositely arranged with the second inner machine ventilation opening 402. The third cabinet ventilation opening 103 is arranged on the door panel 1f of the cabinet body 1 and is oppositely arranged with the third inner machine ventilation opening 403.

[0076] In this embodiment, the volute part 19 and the volute tongue 20 respectively extend towards the front side wall 4e of the machine shell 4, and a wind guiding channel is formed between the volute part 19 and the volute tongue 20. The third inner machine ventilation opening 403 communicates with the wind guiding channel.

[0077] Embodiment Four

[0078] See Figure 16 In this embodiment, compared with the technical solution of Embodiment One, the difference is that in this embodiment, the first inner machine ventilation opening 401 is located at the top of the inner machine assembly, the second inner machine ventilation opening 402 is located on the right side of the inner machine assembly, and the third inner machine ventilation opening 403 is located on the front side of the inner machine assembly. Correspondingly, the first cabinet ventilation opening 101 is arranged on the top plate 1b of the cabinet body 1 and is oppositely arranged with the first inner machine ventilation opening 401. The second cabinet ventilation opening 102 is arranged on the right side plate 1e of the cabinet body 1 and is oppositely arranged with the second inner machine ventilation opening 402. The third cabinet ventilation opening 103 is arranged on the door panel 1f of the cabinet body 1 and is oppositely arranged with the third inner machine ventilation opening 403.

[0079] In this embodiment, the volute part 19 and the volute tongue 20 respectively extend towards the front side wall 4e of the machine shell 4, and a wind guiding channel is formed between the volute part 19 and the volute tongue 20. The third inner machine ventilation opening 403 communicates with the wind guiding channel.

[0080] Embodiment 5

[0081] Refer to Figure 18 . In this embodiment, compared with the technical solution of Embodiment 1, the difference is that in this embodiment, the heat exchanger 5 is a bent tube-fin heat exchanger. Compared with the flat tube-fin heat exchanger used in Embodiment 1, it can further increase the contact area with air and improve the heat exchange efficiency.

[0082] Specifically, the heat exchanger 5 includes a first bent section and a second bent section. The first bent section is disposed obliquely opposite to the second indoor unit ventilation opening 402, and the second bent section is disposed opposite to the front side of the machine shell 4; the first bent section and the second bent section are in arc transition at the bent portion. One end of the first bent section far from the bent portion is connected to the rear side wall 4f of the machine shell 4, and one end of the second bent section far from the bent portion is connected to the front side wall 4e of the machine shell 4; in this embodiment, the shape of the water collecting tray 11 corresponds to the shape of the heat exchanger 5.

[0083] The above embodiments of the present invention do not limit the protection scope of the present invention. The implementation manners of the present invention are not limited thereto. All these modifications, substitutions or changes in various other forms made to the above structure of the present invention according to the above content of the present invention, in accordance with the common general knowledge and customary means in the art, without departing from the above basic technical idea of the present invention, shall fall within the protection scope of the present invention.

Claims

1. An indoor air conditioning cabinet, characterized in that: The invention comprises a cabinet body with an accommodating chamber formed therein, a door panel arranged at the cabinet opening of the cabinet body and capable of closing the accommodating chamber, and an internal machine assembly arranged in the accommodating chamber and capable of cooling; the internal machine assembly is formed with an internal machine vent for air circulation, and the cabinet body is formed with a cabinet vent which is connected to the accommodating chamber and is arranged opposite to the internal machine vent; when the internal machine assembly is cooling, the air is concentrated at the internal machine vent through the cabinet vent for circulation.

2. The indoor air conditioning cabinet according to claim 1, characterized in that: The indoor vents include a first indoor vent for introducing outdoor fresh air, a second indoor vent for returning indoor air, and a third indoor vent for blowing out cold air; The air enters the indoor unit assembly from the first indoor unit vent and the second indoor unit vent respectively, flows inside the indoor unit assembly and is cooled, and then blown out through the third indoor unit vent; The cabinet vents include a first cabinet vent arranged opposite to the first internal machine vent, a second cabinet vent arranged opposite to the second internal machine vent, and a third cabinet vent arranged opposite to the third internal machine vent.

3. The indoor air conditioning cabinet according to claim 2, characterized in that: The second internal machine vent is located on one side of the internal machine assembly, and the third internal machine vent is located on the other side of the internal machine assembly; The second cabinet vent is located on one side of the cabinet body opposite to the second internal machine vent, and the third cabinet vent is located on the other side of the cabinet body opposite to the third internal machine vent.

4. The indoor air conditioning cabinet according to claim 2, characterized in that: The indoor unit assembly is also provided with a refrigerant joint, which is connected to an outdoor unit installed outdoors through a refrigerant pipe. The cabinet body is provided with a through hole through which the refrigerant pipe can pass.

5. The indoor air conditioning cabinet according to claim 3, characterized in that: The second cabinet vent and the third cabinet vent are detachably provided with air outlet grilles, and the air outlet grilles have grille holes that can divide the air into a plurality of air flows when the air is circulated.

6. The indoor air conditioning cabinet according to claim 2, characterized in that: The second indoor vent is fixedly provided with a fixing plate, on which an opening is formed; a rotatable rotating plate is provided on the fixing plate, on which a ventilation slot is formed; when the rotating plate is rotated, the opening and the ventilation slot can be made relative or offset to open or close the second indoor vent.

7. The indoor air conditioning cabinet according to claim 6, characterized in that: The fixed plate is provided with an electric driving component, and the electric driving component is drivingly connected to the rotating plate to drive the rotating plate to rotate relative to the fixed plate.

8. The indoor air conditioning cabinet according to any one of claims 2 to 7, characterized in that: The internal machine assembly comprises a casing, in which a heat exchanger, a wind wheel assembly and an air guide assembly are sequentially arranged along the air flow direction; The heat exchanger divides the internal space of the casing into a first air cavity and a second air cavity. The first internal machine vent and the second internal machine vent are connected to the first air cavity. The third internal machine vent is connected to the second air cavity. The wind wheel assembly and the wind guide assembly are located in the second air cavity.

9. The indoor air conditioning cabinet according to claim 8, characterized in that: The wind wheel assembly comprises a crossflow wind wheel and a driving motor. The rotation axis of the crossflow wind wheel is parallel to the vertical direction. The driving motor is fixed in the casing, and the output end of the driving motor is connected to the driving of the crossflow wind wheel.

10. The indoor air conditioning cabinet according to claim 8, characterized in that: The air guide assembly includes a volute portion and a volute tongue arranged on one side of the volute portion, the volute portion and the volute tongue respectively extend toward a side wall of the casing, and an air guide channel is formed between the volute portion and the volute tongue, and the third internal machine vent is connected to the air guide channel.

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