Small air conditioner indoor unit

Abstract

The utility model discloses a small-sized air conditioner indoor unit, which relates to the technical field of air conditioners and comprises a machine shell, side plates are arranged on two sides of the machine shell, a cover plate is arranged at the front end of the machine shell, a system space is arranged in the machine shell, a system controller is arranged in the system space, a pneumatic mechanism is arranged in the machine shell, and the pneumatic mechanism is arranged in the machine shell. An evaporator is fixed in the machine shell, a filter screen is arranged on the outer side of the evaporator, a rotating air duct is arranged on the cover plate, the evaporator and the pneumatic mechanism are electrically connected with a system controller, and the length of the machine shell is half of the length of a traditional air conditioner indoor unit. According to the small air conditioner indoor unit, by arranging the shortened machine shell, the shortened pneumatic mechanism, the shortened evaporator and the like, the occupied space of the whole air conditioner indoor unit is greatly reduced, then the indoor use space is saved, the refrigerating and heating effects can be concentrated through the symmetrically-arranged cross-flow fan blades and the arc-shaped evaporator, and the air volume and the air speed are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioners, in particular to a small indoor unit of an air conditioner. Background Art

[0002] The indoor unit of the air conditioner is an air conditioning unit placed indoors. It cools and heats the indoor environment through the indoor unit and the outdoor unit of the air conditioner, thereby improving the indoor temperature. The indoor unit of the air conditioner is mostly hung in the corner of the room.

[0003] However, the length of the traditional air conditioner indoor unit is long, which occupies a large space in the room, which is not conducive to the utilization of the indoor space. In addition, the angle range of the wind direction adjustment of the traditional air conditioner indoor unit is small, and it is impossible to cool and heat the indoor space at multiple angles. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a small air-conditioner indoor unit, which solves the problems raised by the above-mentioned background technology.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a small air-conditioning indoor unit, including a casing, side panels are provided on both sides of the casing, a cover plate is provided at the front end of the casing, a system space is provided inside the casing, a system controller is provided inside the system space, a pneumatic mechanism is provided in the casing, an evaporator is fixed in the casing, a filter is provided on the outside of the evaporator, a rotating air duct is provided on the cover plate, the evaporator and the pneumatic mechanism are electrically connected to the system controller, the length of the casing is set to half the length of a traditional air-conditioning indoor unit, and the corresponding pneumatic mechanism, evaporator and filter are relatively arranged.

[0006] Furthermore, the pneumatic mechanism includes: crossflow fan blades, which are rotatably arranged in the casing, and the crossflow fan blades are symmetrically arranged, and partitions are fixed between the crossflow fan blades; a motor, which is arranged in the system space, a first gear is fixed to the end of one of the crossflow fan blades, and a second gear is fixed to the end of another crossflow fan blade, and the outer sides of the first gear and the second gear are meshed and connected with a gear sleeve, the output end of the motor is fixedly connected to the end of one of the crossflow fan blades, a bearing is fixedly connected to the end of the crossflow fan blade, and the outer end of the bearing is fixedly connected to the interior of the casing.

[0007] Furthermore, the upper and lower ends of the casing are fixedly connected to limit strips, the filter screen is inserted in the limit strips, and the filter screen is arranged in an arc shape.

[0008] Furthermore, the evaporator is arranged in an arc shape and is located at the front end of the cross-flow fan blades.

[0009] Furthermore, the rotating air duct includes: a fixed air duct, which is arranged on a cover plate, a fixing hole is opened at the lower end of the cover plate, and the fixed air duct is fixedly connected in the fixing hole; a rotating head, which is rotatably connected in the fixed air duct, and a manual adjustment rod is fixedly connected in the air outlet of the rotating head.

[0010] Furthermore, the side panels are provided with heat dissipation vents, and the number of the heat dissipation vents is multiple and the spacings are equal.

[0011] Furthermore, the rotor is electrically connected to the system controller.

[0012] Furthermore, the gear sleeve is provided as a silent rubber sleeve.

[0013] Compared with the above-mentioned background technology, the small air-conditioning indoor unit provided in the present application includes an air-conditioning indoor unit with very mature technology today, and a casing, a pneumatic mechanism, an evaporator and a rotating air duct as core components. Its principle relies on a shorter casing, a pneumatic mechanism and an evaporator to reduce the occupied space, and through the symmetrical pneumatic mechanism and the evaporator, it can concentrate cooling and heating, thereby improving the cooling and heating efficiency of the air-conditioning indoor unit.

[0014] The utility model provides a small air conditioner indoor unit. Compared with the prior art, it has the following beneficial effects:

[0015] The small indoor air conditioner greatly reduces the occupied space of the overall indoor air conditioner by providing a shortened casing, pneumatic mechanism and evaporator, thereby saving indoor space. The symmetrically arranged cross-flow fan blades and the arc-shaped evaporator can concentrate the cooling and heating effects and increase the air volume and wind speed.

[0016] The small air conditioner indoor unit is provided with a rotating air duct. The spherical rotor can make the internal wind jet-like to improve the indoor space, and the angle of the rotor can be adjusted individually, thereby improving the cooling and heating of the indoor space quickly at multiple angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the rotor and the fixed air duct of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the evaporator and the cross-flow fan blades of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the evaporator and the cross-flow fan blades of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the rotating air duct of the utility model;

[0022] Figure 6 for Figure 4 Enlarged structural diagram at A in the middle.

[0023] In the figure: 1. casing; 2. side panel; 3. cover plate; 4. crossflow fan blades; 5. partition; 6. evaporator; 7. limit strip; 8. filter; 9. first gear; 10. bearing; 11. second gear; 12. gear sleeve; 13. motor; 14. system space; 15. system controller; 16. heat dissipation vents; 17. fixing holes; 18. fixed air duct; 19. rotating head; 20. manual adjustment lever. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-6 The utility model provides a technical solution: a small air conditioner indoor unit, including a casing 1, side panels 2 are arranged on both sides of the casing 1, a cover plate 3 is arranged at the front end of the casing 1, a system space 14 is arranged inside the casing 1, a system controller 15 is arranged inside the system space 14, a pneumatic mechanism is arranged inside the casing 1, an evaporator 6 is fixed inside the casing 1, a filter screen 8 is arranged on the outer side of the evaporator 6, a rotating air duct is arranged on the cover plate 3, the evaporator 6 and the pneumatic mechanism are electrically connected with the system controller 15, and the length of the casing 1 is the length of a traditional air conditioner indoor unit. The pneumatic mechanism, evaporator 6 and filter 8 are arranged in a relatively opposite manner; compared with the traditional indoor unit of the air conditioner, the length of the casing 1 in the present design is set to half of the length of the traditional indoor unit of the air conditioner, which can greatly reduce the occupied space in the room. The pneumatic mechanism, evaporator 6, filter 8 and rotating air duct arranged in the casing 1 are shortened in length accordingly, and other control parts in the air conditioner are installed accordingly. The pneumatic mechanism, evaporator 6 and rotating air duct are driven by the system controller 15, thereby reducing the overall volume of the indoor unit of the air conditioner.

[0026] like Figure 3As shown, the pneumatic mechanism includes: crossflow fan blades 4, which are rotatably arranged in the casing 1, and the crossflow fan blades 4 are symmetrically arranged, and a partition 5 is fixed between the crossflow fan blades 4; a motor 13, which is arranged in the system space 14, a first gear 9 is fixed to the end of one of the crossflow fan blades 4, and a second gear 11 is fixed to the end of the other crossflow fan blade 4, and the first gear 9 and the second gear 11 are meshed and connected with a gear sleeve 12 on the outside, and the output end of the motor 13 is fixedly connected to the end of one of the crossflow fan blades 4, and the end of the crossflow fan blade 4 is fixedly connected to the second gear 11. A bearing 10 is fixedly connected, and the outer end of the bearing 10 is fixedly connected to the inside of the casing 1; the crossflow fan blades 4 are symmetrically arranged. Compared with the traditional single length, the length can be reduced by the upper and lower symmetrical arrangement, and the crossflow fan blades 4 are rotated simultaneously through the meshing connection between the first gear 9 and the second gear 11 and the gear sleeve 12, and the two crossflow fan blades 4 are driven to rotate by the motor 13, which not only reduces the occupied space, but also increases the wind speed and air volume through the superimposed crossflow fan blades 4, and a partition 5 is arranged between the two crossflow fan blades 4, and the partition 5 can reduce the interference of the internal air flow.

[0027] like Figure 3 As shown, the upper and lower ends of the casing 1 are fixedly connected to the limit strip 7, the filter screen 8 is inserted in the limit strip 7, and the filter screen 8 is arranged in an arc shape. The length of the limit strip 7 is half of the length of the traditional air conditioner indoor unit, which reduces the occupied space. The filter screen 8 is placed in the limit strip 7, and the filter screen 8 can be installed by bending and inserting it into the limit strip 7.

[0028] like Figure 3 and Figure 4 As shown, the evaporator 6 is arranged in an arc shape and is located at the front end of the cross-flow fan blade 4. The length of the evaporator 6 is shortened by one half compared with the length of the traditional air-conditioning indoor unit. By expanding the arc shape, the circulation pipeline inside the evaporator 6 can be increased, and the cooling and heating effects can also be provided. The space for cooling and heating is concentrated, and the efficiency of cooling and heating is higher.

[0029] like Figure 5As shown, the rotating air duct includes: a fixed air duct 18, which is arranged on the cover plate 3, and a fixing hole 17 is opened at the lower end of the cover plate 3, and the fixed air duct 18 is fixedly connected in the fixing hole 17; a swivel head 19, which is arranged in the fixed air duct 18 and is rotatably connected, and a manual adjustment rod 20 is fixedly connected in the air outlet of the swivel head 19, and a plurality of fixing holes 17 are opened on the cover plate 3, and the fixed air duct 18 is fixedly connected in the fixing hole 17, and the fixed air duct 18 is rotatably connected in the fixed air duct 18. The fixed air duct 18 has a spherical space, and the swivel head 19 is rotatably connected in the fixed air duct 18, and the angle of the swivel head 19 can be adjusted simultaneously by the system controller 15. The technology for adjusting the angle of the swivel head 19 is an existing known technology, and will not be introduced in detail again, and a manual adjustment rod 20 is fixed in the air outlet of the swivel head 19, and the angle of the swivel head 19 can be rotated by the manual adjustment rod 20, so that the angle of the swivel head 19 can be adjusted as needed, thereby improving the practicality of use.

[0030] like Figure 1 As shown, a heat dissipation vent 16 is provided on the side panel 2, and the number of the heat dissipation vent 16 is set in multiple positions with equal spacing. The heat dissipation vent 16 is provided on the side panel 2, which can not only dissipate the heat and electrical appliances in the internal space of the casing 1, but also provide internal and external air circulation through the heat dissipation vent 16.

[0031] like Figure 2 and Figure 4 As shown, the rotor 19 is electrically connected to the system controller 15. The system controller 15 arranged in the system space 14 controls the rotor 19 to rotate simultaneously, providing a spherical jet to release cold air and hot air, which can make the cold air and hot air be transmitted farther and improve the overall cooling and heating efficiency.

[0032] like Figure 6 As shown, the gear sleeve 12 is set as a silent rubber sleeve, and the first gear 9 and the second gear 11 are driven to rotate by the gear sleeve 12. The gear sleeve 12 is set by the silent rubber sleeve to reduce the noise of internal operation and improve the comfort of the user.

[0033] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A small air conditioner indoor unit, characterized in that: The invention comprises a casing (1), side panels (2) are arranged on both sides of the casing (1), a cover plate (3) is arranged at the front end of the casing (1), a system space (14) is arranged inside the casing (1), a system controller (15) is arranged inside the system space (14), a pneumatic mechanism is arranged inside the casing (1), an evaporator (6) is fixed inside the casing (1), a filter screen (8) is arranged on the outside of the evaporator (6), a rotating air duct is arranged on the cover plate (3), the evaporator (6) and the pneumatic mechanism are electrically connected to the system controller (15), the length of the casing (1) is half the length of the indoor unit of a conventional air conditioner, and the pneumatic mechanism, the evaporator (6) and the filter screen (8) are arranged relatively to each other.

2. A small air conditioner indoor unit according to claim 1, characterized in that: The pneumatic mechanism comprises: Crossflow fan blades (4), the crossflow fan blades (4) being rotatably arranged in the casing (1), and the crossflow fan blades (4) being symmetrically arranged, with partitions (5) being fixed between the crossflow fan blades (4); A motor (13), the motor (13) being arranged in a system space (14), wherein a first gear (9) is fixed to the end of one of the crossflow fan blades (4), wherein a second gear (11) is fixed to the end of another of the crossflow fan blades (4), a gear sleeve (12) being meshedly connected to the outer sides of the first gear (9) and the second gear (11), an output end of the motor (13) being fixedly connected to the end of one of the crossflow fan blades (4), a bearing (10) being fixedly connected to the end of the crossflow fan blade (4), and an outer end of the bearing (10) being fixedly connected to the inside of the casing (1).

3. A small air conditioner indoor unit according to claim 2, characterized in that: The upper and lower ends of the casing (1) are fixedly connected to the limit strip (7), the filter screen (8) is inserted and arranged inside the limit strip (7), and the filter screen (8) is arranged in an arc shape.

4. A small air conditioner indoor unit according to claim 2, characterized in that: The evaporator (6) is arranged in an arc shape and is located at the front end of the cross-flow fan blades (4).

5. A small air conditioner indoor unit according to claim 1, characterized in that: The rotating air duct comprises: A fixed air duct (18), the fixed air duct (18) being arranged on the cover plate (3), a fixing hole (17) being provided at the lower end of the cover plate (3), and the fixed air duct (18) being fixedly connected in the fixing hole (17); A rotating head (19) is rotatably connected to and disposed in the fixed air duct (18), and a manual adjustment rod (20) is fixedly connected to the air outlet of the rotating head (19).

6. A small air conditioner indoor unit according to claim 1, characterized in that: The side plate (2) is provided with heat dissipation vents (16), and the heat dissipation vents (16) are provided in a plurality and at equal intervals.

7. A small air conditioner indoor unit according to claim 5, characterized in that: The rotor (19) is electrically connected to the system controller (15).

8. A small air conditioner indoor unit according to claim 2, characterized in that: The gear sleeve (12) is provided as a soundproof rubber sleeve.

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