Fan assembly and air conditioner

Abstract

The utility model discloses a fan assembly and an air conditioner, and relates to the technical field of air conditioners, the fan assembly comprises a volute and a motor, the volute is provided with two air inlets formed in the two ends of the volute and at least one air outlet formed in the side portion of the volute, and the air outlet is used for corresponding to an air outlet of the air conditioner. Two air inlets are formed in the volute and used for being communicated with an air inlet of the air conditioner, a partition plate is arranged between the two ends in the volute, a mounting hole is formed in the partition plate, and the motor comprises a motor body mounted at the mounting hole and two motor output shafts correspondingly located on the two sides of the partition plate. The whole motor is located in the volute and located in the middle of the volute, so that the motor is more compactly matched with the wind wheel and the volute, and the overall size of the fan assembly is reduced. And the motor is arranged in the middle of the volute, so that the air inlet condition is not influenced, the efficiency of the fan is improved, and the noise is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioners, in particular to a fan assembly and an air conditioner. Background Art

[0002] In common air-conditioning products, the motor of the fan assembly is generally installed on the outside of the volute. The structural form of the motor being installed on the outside of the volute makes the overall size of the fan larger, which also constitutes air intake resistance and destroys the stability of the air intake, resulting in reduced fan efficiency and increased noise. In addition, the existing motor and volute matching structure generally has a bracket extending into the inside of the volute for installing the motor. The design of the bracket will also affect the fan intake conditions, resulting in reduced fan efficiency and increased noise. Utility Model Content

[0003] The main purpose of the utility model is to provide a fan assembly and an air conditioner, and to provide a new motor installation method, so as to reduce the overall volume of the fan.

[0004] To achieve the above-mentioned purpose, the fan assembly proposed by the utility model is used in an air conditioner, comprising:

[0005] A volute, the volute having two air inlets formed at both ends of the volute, and at least one air outlet formed at a side thereof, the air outlet being used to correspond to an air outlet of an air conditioner, the two air inlets being used to communicate with an air inlet of the air conditioner, a partition being provided between the two ends of the volute, and a mounting hole being provided on the partition; and,

[0006] The motor comprises a motor body installed at the installation hole and two motor output shafts correspondingly located at two sides of the partition.

[0007] In one embodiment, the partition can separate the inner cavity of the volute into two air ducts, and the two air ducts are connected to the air outlet;

[0008] The two air inlets correspond to the two air ducts respectively.

[0009] In one embodiment, the two air ducts have different widths.

[0010] In one embodiment, a plurality of mounting portions are provided on the peripheral side of the motor body, and the plurality of mounting portions are used to connect and fix the partition.

[0011] In one embodiment, the plurality of mounting portions are respectively connected and fixed to two opposite side surfaces of the partition.

[0012] In one embodiment, the side surface of the partition is provided with at least one positioning groove;

[0013] At least one of the mounting portions is fixed in the positioning groove.

[0014] In one embodiment, an arc-shaped air guiding annular surface is formed at the outer end of the air inlet; and / or,

[0015] The air outlet is arranged to expand gradually from the center of the volute toward the outside.

[0016] In one embodiment, the center of the mounting hole and the centers of the two air inlets are coaxially arranged.

[0017] In one embodiment, the fan assembly further includes two wind wheels respectively disposed on the two motor output shafts, and the two wind wheels can be exposed at the two air inlets.

[0018] The utility model also provides an air conditioner, comprising:

[0019] An outer shell, wherein an air inlet and an air outlet are provided on an outer surface of the outer shell and are connected to the interior of the outer shell and are arranged opposite to each other;

[0020] an evaporator disposed in the housing and close to the air outlet; and

[0021] At least one fan assembly, including the above-mentioned fan assembly, is arranged in the housing and located between the air inlet and the evaporator.

[0022] In the technical solution of the utility model, the fan assembly is a double-suction centrifugal fan, a partition is designed inside the volute, and a mounting hole is set on the partition to install the motor. After the motor is installed, its motor body passes through the mounting hole, and the two motor output shafts are respectively located on both sides of the partition corresponding to the two air inlets. The motor is inside the volute as a whole and located in the middle of the volute. Such a design makes the motor more compact with the wind wheel and the volute, which is conducive to reducing the overall size of the fan assembly. Since the motor is installed in the middle of the volute, it will not affect the air intake conditions, so it also helps to improve the efficiency of the fan and reduce noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0024] Figure 1 A schematic diagram of the structure of an air conditioner according to an embodiment of the present invention;

[0025] Figure 2 for Figure 1 Schematic diagram of the structure of the blower assembly;

[0026] Figure 3 for Figure 1 A schematic diagram of the structure of the middle volute at one angle;

[0027] Figure 4 for Figure 1 A schematic diagram of the structure of the middle volute from another angle;

[0028] Figure 5 for Figure 1 The structural diagram of the motor;

[0029] Figure 6 for Figure 1 Schematic diagram of the cross section along AA.

[0030] Description of Figure Numbers:

[0031] 1000. Air conditioner;

[0032] 100. fan assembly; 1. volute; 11. air inlet; 12. air outlet; 13. partition; 131. mounting hole; 14. air duct; 15. arc-shaped air guide annular surface; 2. motor; 21. motor body; 22. motor shaft; 23. mounting part; 3. wind wheel;

[0033] 200, housing; 210, air inlet; 220, air outlet;

[0034] 300. Evaporator.

[0035] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0036] 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 of 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.

[0037] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0038] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0039] The motor of the fan assembly is generally installed on the outside of the volute, and the structural form of the motor being installed on the outside of the volute makes the overall size of the fan larger, which also constitutes air intake resistance and destroys the stability of air intake, resulting in reduced fan efficiency and increased noise. In addition, the existing motor and volute matching structure generally has a bracket extending into the inside of the volute for installing the motor. The design of the bracket will also affect the fan intake conditions, resulting in reduced fan efficiency and increased noise.

[0040] Based on this, the utility model proposes a fan assembly and an air conditioner, aiming to propose a new installation structure to reduce the overall size of the fan, which can significantly reduce the overall volume of the fan, while being beneficial to improving the fan efficiency and reducing noise.

[0041] Please refer to Figure 1 and Figure 6 The air conditioner 1000 includes a housing 200, an evaporator 300 and at least one fan assembly 100. The outer surface of the housing 200 is provided with an air inlet 210 and an air outlet 220 which are connected to the interior of the housing 200 and are arranged opposite to each other; the evaporator 300 is arranged in the housing 200 and is arranged close to the air outlet 220; the fan assembly 100 is arranged in the housing 200 and is located between the air inlet 210 and the evaporator 300.

[0042] In this embodiment, the air outlet 12 of the fan assembly 100 is arranged corresponding to the evaporator 300, so that the external air is first sucked out by the fan assembly and then refrigerated by the evaporator 300. In other embodiments, the evaporator 300 can also be arranged between the fan assembly 100 and the air inlet 210.

[0043] It should be noted that the air conditioner 1000 may be a ducted air conditioner, which is often used at the entrance of a hotel. Of course, it may also be other types of air conditioners 1000 used in other scenarios, and this application does not limit this.

[0044] Further, two fan assemblies 100 are arranged in the air conditioner 1000, and the two fan assemblies 100 are arranged side by side. For example, the air inlet 210 and the air outlet 220 are arranged opposite to each other in the left and right directions. At this time, the two air inlets 11 of each fan assembly 100 are opposite to each other in the front-to-back direction, and the air outlets 12 of each fan assembly 100 are arranged to the right. Both fan assemblies 100 are double-suction, sucking in the air at the air inlet 210, blowing it toward the evaporator 300, and then exporting it from the air outlet 220 after being cooled by the evaporator 300, thereby achieving a cooling effect.

[0045] In this structural mode, due to the structural design of the fan assembly 100, its layout in the housing 200 is more flexible and is less affected by the internal space of the housing 200.

[0046] For details, please refer to Figures 2 to 4 The fan assembly 100 includes a volute 1 and a motor 2, the volute 1 having two air inlets 11 formed at both ends of the volute 1, and at least one air outlet 12 formed on the side thereof, the air outlet 12 being used to correspond to the air outlet 220 of the air conditioner 1000, the two air inlets 11 being used to connect to the air inlet 210 of the air conditioner 1000, a partition 13 is provided between the two ends of the volute 1, the partition 13 is provided with a mounting hole 131, the motor 2 includes a motor body 21 mounted at the mounting hole 131, and two motor output shafts 22 corresponding to the two sides of the partition 13.

[0047] In the technical solution of the utility model, the fan assembly 100 is a double-suction centrifugal fan, a partition 13 is designed inside the volute 1, and a mounting hole 131 is set on the partition 13, so as to install the motor 2. After the motor 2 is installed, its motor body 21 passes through the mounting hole 131, and the two motor output shafts 22 are respectively located on both sides of the partition 13 corresponding to the two air inlets 11. The motor 2 is located inside the volute 1 as a whole, and is located in the middle of the volute 1. Such a design makes the motor 2 more compact with the wind wheel 3 and the volute 1, which is conducive to reducing the overall size of the fan assembly 100. Since the motor 2 is installed in the middle of the volute 1, it will not affect the air intake conditions, so it is also helpful to improve the efficiency of the fan and reduce noise.

[0048] Based on the above embodiment, the fan assembly 100 further includes two wind wheels 3 respectively arranged on the two motor output shafts 22. The two wind wheels 3 correspond to the two air inlets 11 respectively, so as to achieve the effect of vortex suction, and at the same time, the two wind wheels 3 are arranged to be exposed in the two air inlets 11, and the orthographic projections of the two air inlets 11 at least partially fall on the wind wheels 3, so as to ensure a good suction and guiding effect. It should be understood that the wind wheel 3 can correspond to the air inlet 11, and the two are coaxial at this time, and the wind wheel 3 can also be slightly offset relative to the air inlet 11, that is, the axes of the two are parallel.

[0049] The utility model does not limit the specific shape of the partition 13, and it is preferably located in the middle of the volute 1. The partition 13 mainly serves to install the motor 2. The corresponding mounting hole 131 can be reasonably set according to the external size and external shape of the motor body 21, and can be a round hole, a square hole, a special-shaped hole, etc.

[0050] In one embodiment, please refer to Figure 3 , the partition 13 can separate the inner cavity of the volute 1 into two air ducts 14, and the two air ducts 14 are connected to the air outlet 12; the two air inlets 11 are respectively arranged corresponding to the two air ducts 14. It should be understood that the size of the partition 13 is not limited, and the partition 13 can only separate a part of the inner cavity of the volute 1, or can simultaneously separate the inner cavity of the volute 1 and the air outlet 12. After the motor 2 is installed, the two motor output shafts 22 are respectively located in the two air ducts 14, and the two wind wheels 3 are correspondingly located in the two air ducts 14, so that the partition 13 not only plays a role in installing the motor 2, but also plays a role in dividing the space of the volute 1.

[0051] It should be noted that after the motor 2 is installed, the two air ducts 14 can be independent of each other or interconnected, which does not affect the effect of the fan assembly 100. In this embodiment, the motor 2 and the mounting hole 131 are not sealed, that is, the two air ducts 14 are not completely independent.

[0052] Further, according to the structural design of the air conditioner 1000, the setting position of the partition 13 can be different. When the air conditioner 1000 is a symmetrical structure, the width of the two air ducts 14 is the same, and the partition 13 is located at the center. When the air conditioner 1000 is an asymmetrical structure, the width of the two air ducts 14 is different. The width refers to the cross-sectional width of the air duct, that is, the distance between one of the air inlets 11 and the partition 13 is greater than that of the other partition 13. This adapts to the structure of the air conditioner 1000 and ensures the effect of air suction on both sides.

[0053] It should be noted that the partition plate 13 may also be arranged to be inclined so as to adapt to the structure of the volute 1 and the design requirements of the air intake.

[0054] The present invention does not limit the matching mode of the motor body 21 and the partition 13. In one embodiment, the engagement can be achieved through a reasonable and practical gap between the mounting hole 131 and the external gap of the motor body 21. However, considering the disassembly of the motor, in another embodiment, a plurality of mounting parts 23 are provided on the peripheral side of the motor body 21, and the plurality of mounting parts 23 are used to connect and fix the partition 13. The plurality of mounting parts 23 can be a structure integrally formed with the exterior of the motor body 21, and locked on the partition 13 by screws. The mounting parts 23 can also be independent components, which are mounted on the motor body 21 and the partition 13 by means of buckles or screws. The present invention does not limit this. The setting of the mounting parts 23 allows a larger gap to be reserved between the motor 2 and the mounting hole 131, and fixation is achieved by the mounting parts 23, which facilitates the disassembly and assembly of the motor.

[0055] It should be understood that the utility model does not limit the shape and material of the mounting portion 23. In this embodiment, when the motor 2 is installed, the motor 2 passes through the circular mounting hole 131 of the partition 13 in the volute 1, and the side of the mounting portion 23 can be closely attached to the partition 13.

[0056] The mounting portion 23 can be connected to the side of the partition 13, or partially extend into the mounting hole 131 for fitting and clamping. In some embodiments, multiple mounting portions 23 are located on the same side of the partition 13 and are installed by single-side fixing, which is convenient for operation. In other embodiments, multiple mounting portions 23 are respectively connected and fixed to two opposite sides of the partition 13. This provides support force for the motor body 21 in two directions, so that the force on the partition 13 is balanced.

[0057] Considering the positioning and matching when the motor body 21 is installed, in some embodiments, at least one positioning groove is provided on the side surface of the partition 13; at least one mounting portion 23 is fixed in the positioning groove. This forms a limit, prevents the motor body 21 from deflecting during installation, and also facilitates the operator to align during installation.

[0058] It should be understood that a plurality of mounting portions 23 can be simultaneously accommodated in one positioning groove, and each mounting portion 23 is tightly matched with a different position of the positioning groove. A plurality of positioning grooves can also be provided to correspond to the plurality of mounting portions 23, respectively, and in this case, the positioning grooves can be provided to conform to the mounting portion 23. When the mounting portion 23 is matched with the positioning groove, the mounting portion 23 can be completely in the positioning groove, and in this case, the surface of the partition 13 is flat, and the mounting portion 23 can also partially protrude from the positioning groove, which does not affect the assembly effect.

[0059] In addition, in order to facilitate air intake and outlet, in one embodiment, an arc-shaped air guiding annular surface 15 is formed at the outer end of the air inlet 11, so as to be suitable for the air intake direction of the vortex; in another embodiment, the air outlet 12 is gradually expanded along the center of the volute 1 toward the outside, so that the air outlet 12 is trumpet-shaped, which is beneficial to increase the air outlet speed and air volume.

[0060] In this embodiment, the outer ends of the two air inlets 11 form an arc-shaped air guiding annular surface 15, the two air inlets 11 are in opposite directions, the air outlet 12 is located between the two air inlets 11, and the position of the air outlet 12 is staggered with the two air inlets 11, and the air outlet 12 is gradually expanded in the air outlet direction.

[0061] Furthermore, the center of the mounting hole 131 is coaxially arranged with the center of the two air inlets 11. That is, after the motor body 21 is installed, the two motor output shafts 22 and the wind wheel 3 are coaxial with the air inlets 11, thereby improving the air suction effect.

[0062] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A fan assembly for an air conditioner, characterized in that: The fan assembly comprises: A volute, the volute having two air inlets formed at both ends of the volute, and at least one air outlet formed at a side thereof, the air outlet being used to correspond to an air outlet of an air conditioner, the two air inlets being used to communicate with an air inlet of the air conditioner, a partition being provided between the two ends of the volute, and a mounting hole being provided on the partition; and, The motor comprises a motor body installed at the installation hole and two motor output shafts correspondingly located at two sides of the partition.

2. The fan assembly according to claim 1, characterized in that: The partition can separate the inner cavity of the volute into two air ducts, and the two air ducts are connected to the air outlet; The two air inlets correspond to the two air ducts respectively.

3. The fan assembly according to claim 2, characterized in that: The two air ducts have different widths.

4. The fan assembly according to claim 1, characterized in that: A plurality of mounting parts are arranged on the peripheral side of the motor body, and the plurality of mounting parts are used to connect and fix the partition.

5. The fan assembly according to claim 4, characterized in that: The plurality of mounting portions are respectively connected and fixed to two opposite side surfaces of the partition.

6. The fan assembly according to claim 4 or 5, characterized in that: The side surface of the partition is provided with at least one positioning groove; At least one of the mounting portions is fixed in the positioning groove.

7. The fan assembly according to claim 1, characterized in that: The outer end of the air inlet is formed with an arc-shaped air guide annular surface; and / or, The air outlet is arranged to expand gradually from the center of the volute toward the outside.

8. The fan assembly according to claim 1, characterized in that: The center of the mounting hole and the centers of the two air inlets are coaxially arranged.

9. The fan assembly according to claim 1, characterized in that: The fan assembly also includes two wind wheels respectively arranged on the two motor output shafts, and the two wind wheels can be exposed at the two air inlets.

10. An air conditioner, characterized in that: include: An outer shell, wherein an air inlet and an air outlet are provided on an outer surface of the outer shell and are connected to the interior of the outer shell and are arranged opposite to each other; an evaporator disposed in the housing and close to the air outlet; and At least one fan assembly, including the fan assembly according to any one of claims 1 to 9, wherein the fan assembly is disposed in the housing and located between the air inlet and the evaporator.

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