Fan assembly, duct type air conditioner and air conditioner

Abstract

The utility model provides a fan assembly, a duct type air conditioner and an air conditioner. The fan assembly comprises a fixed volute; a movable volute; the positioning structure is arranged between the fixed volute and the movable volute, and the movable volute and the fixed volute are subjected to axial positioning and / or circumferential positioning through the positioning structure. According to the draught fan assembly, the duct type air conditioner and the air conditioner, the movable volute and the fixed volute are matched, air supply of the draught fan assembly in different directions is achieved on the basis that the rotating direction of the fan blades in the draught fan assembly is not changed, the working reliability of the draught fan assembly is guaranteed, and the service life of the draught fan assembly is prolonged. The duct type air conditioner can obtain reliable air volume in a refrigerating mode or a heating mode, the heat exchange efficiency of the duct type air conditioner is guaranteed, meanwhile, the locating structure is used for guaranteeing reliable relative movement between the movable volute and the fixed volute, and the structural reliability of the fan assembly is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of air handling equipment technology, and in particular to a fan assembly, a duct air conditioner, and an air conditioner. Background Technology

[0002] In some related technologies, ducted air conditioners use horizontal lateral airflow. In heating mode, the hot air is blown out horizontally. Because hot air has a lower density, it rises, and since people's heat needs are at a height of 1.6 meters or below, the hot air is difficult to deliver to the area where people are active, resulting in poor heating performance. In other related technologies, a downward airflow method is used. In cooling mode, cold air is blown directly onto people, resulting in poor comfort.

[0003] Existing technologies typically employ reverse fan rotation to achieve reverse airflow from the indoor unit, enabling it to simultaneously deliver horizontal and vertical air. However, the airflow is relatively small when the fan rotates in reverse. If the ducted air conditioner is cooling when the fan is rotating forward, it needs to rotate in reverse to heat, resulting in poor heating capacity. Similarly, if the ducted air conditioner is heating when the fan is rotating forward, it needs to rotate in reverse to cool, also resulting in poor cooling capacity. Both solutions severely impact the heat exchange efficiency of the ducted air conditioner. Utility Model Content

[0004] To address the technical problem that the existing fan structure cannot guarantee the heat exchange efficiency of ducted air conditioners, a fan assembly, ducted air conditioner, and air conditioner are provided that utilize a movable volute to adjust the air supply direction without adjusting the fan rotation direction to ensure heat exchange efficiency.

[0005] A wind turbine assembly, comprising:

[0006] A fixed volute is provided with a first air outlet and a second air outlet.

[0007] The movable volute is rotatably disposed within the fixed volute, and the movable volute has a first state of closing the first air outlet and opening the second air outlet, and the movable volute also has a second state of opening the first air outlet and closing the second air outlet.

[0008] A positioning structure is provided between the fixed volute and the movable volute, and the movable volute is axially and / or circumferentially positioned with the fixed volute through the positioning structure.

[0009] The fixed volute is provided with at least two rollers, all of which are arranged in a ring around the axis of the fixed volute, and the rollers abut against the peripheral sidewall of the movable volute. All of the rollers constitute the positioning structure.

[0010] The fan assembly also includes an air collection structure. An air inlet is provided on the end face of the fixed volute. The air collection structure is located at the air inlet and is connected to the movable volute through the air inlet. The roller is located on the outer surface of the end face of the fixed volute and abuts against the air collection structure.

[0011] The fixed volute has a first end face, and the movable volute has a second end face adjacent to the first end face. There is a distance h between the first end face and the second end face. The positioning structure is disposed within the distance h to perform axial positioning of the fixed volute and the movable volute.

[0012] The first end face protrudes within the distance h to form a protrusion, the distance from the protrusion to the second end face is less than the distance from the first end face to the second end face, and the protrusion constitutes the positioning structure.

[0013] The second end face protrudes within the distance h to form a protrusion, the distance from the protrusion to the first end face is less than the distance from the second end face to the first end face, and the protrusion constitutes the positioning structure.

[0014] An air inlet is provided on the first end face of the fixed volute, and a circumferential limiting member is provided on the movable volute. The circumferential limiting member extends into the air inlet and can abut against the edge of the air inlet. The circumferential limiting member constitutes the positioning structure.

[0015] The movable volute has a second end face, which is adjacent to the first end face, and the circumferential limiting member is disposed on the second end face.

[0016] The number of circumferential limiting members is at least two, and all the circumferential limiting members are distributed in a ring on the second end face with the axis of the fixed volute as the axis.

[0017] The circumferential limiting member has a protrusion on its side wall facing the first end face. The protrusion can abut against the first end face. The protrusion and the circumferential limiting member together constitute the positioning structure.

[0018] The protrusion includes a first protrusion structure and a second protrusion structure, wherein the height of the first protrusion structure is greater than the height of the second protrusion structure.

[0019] The wind turbine assembly also includes an installation structure and a connector. The installation structure is disposed on the movable volute, the connector is connected to the installation structure, and the circumferential limiting member is disposed on the free end of the connector.

[0020] A ducted air handling unit includes the aforementioned fan assembly.

[0021] An air conditioner comprising the aforementioned fan assembly or the aforementioned duct unit.

[0022] The fan assembly, ducted air conditioner, and air conditioner provided by this utility model utilize the cooperation of a movable volute and a fixed volute to achieve air delivery in different directions without changing the rotation direction of the fan blades inside the fan assembly. This overcomes the problem in the prior art where the air delivery direction needs to be adjusted by changing the rotation direction of the fan blades, resulting in a reduction in air volume. This ensures the operational reliability of the fan assembly. The ducted air conditioner can also obtain a reliable air volume in both cooling and heating modes, ensuring the heat exchange efficiency of the ducted air conditioner. At the same time, the positioning structure ensures reliable relative movement between the movable and fixed volutes, guaranteeing the structural reliability of the fan assembly. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of the fan assembly provided in an embodiment of the present utility model;

[0024] Figure 2 A partial schematic diagram of the roller of the fan assembly provided in an embodiment of this utility model;

[0025] Figure 3 Another structural schematic diagram of the fan assembly provided in this embodiment of the utility model;

[0026] Figure 4 for Figure 3 A partial schematic diagram;

[0027] Figure 5 Another structural schematic diagram of the fan assembly provided in this embodiment of the utility model;

[0028] Figure 6 Another structural schematic diagram of the fan assembly provided in this embodiment of the utility model;

[0029] Figure 7 for Figure 6 A partial schematic diagram;

[0030] Figure 8 Another structural schematic diagram of the fan assembly provided in this embodiment of the utility model;

[0031] Figure 9 for Figure 8 A partial schematic diagram;

[0032] Figure 10 A schematic diagram of the circumferential limiting member and the protrusion provided in the embodiment of this utility model;

[0033] Figure 11 A schematic diagram of the side-discharge airflow principle of the ducted air conditioner provided in this embodiment of the utility model;

[0034] Figure 12 A schematic diagram of the bottom air outlet principle of the ducted air conditioner provided in this embodiment of the utility model;

[0035] In the picture:

[0036] 1. Fixed volute; 11. First air outlet; 12. Second air outlet; 2. Movable volute; 3. Roller; 4. Air collection structure; 13. Air inlet; 14. First end face; 21. Second end face; 5. Protrusion; 6. Circumferential limiting component; 10. Duct unit; 71. Installation structure; 72. Connecting component. Detailed Implementation

[0037] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining this utility model and are not intended to limit this utility model.

[0038] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0039] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such terms can be used interchangeably where appropriate for the embodiments of the utility model described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0040] It should be noted that in the description of this utility model, the terms "upper," "lower," "left," "right," "inner," and "outer," which indicate directional or positional relationships, are based on the directional or positional relationships shown in the accompanying drawings. These are merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0041] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "setting," and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection, an indirect connection through an intermediate medium, or a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0042] Existing technologies typically employ reverse fan rotation to achieve reverse airflow from the indoor unit, enabling it to simultaneously deliver horizontal and vertical air. However, the airflow is relatively small when the fan rotates in reverse. If the ducted air conditioner is cooling when the fan is rotating forward, it needs to rotate in reverse to heat, resulting in poor heating capacity. Similarly, if the ducted air conditioner is heating when the fan is rotating forward, it needs to rotate in reverse to cool, also resulting in poor cooling capacity. Both solutions severely impact the heat exchange efficiency of the ducted air conditioner.

[0043] Therefore, this application provides a method such as Figures 1 to 12 The fan assembly shown includes: a fixed volute 1, on which a first air outlet 11 and a second air outlet 12 are provided; a movable volute 2, which is rotatably disposed within the fixed volute 1, and the movable volute 2 has a first state of closing the first air outlet 11 and opening the second air outlet 12, and a second state of opening the first air outlet 11 and closing the second air outlet 12; and a positioning structure, which is disposed between the fixed volute 1 and the movable volute 2, and the movable volute 2 is axially and / or circumferentially positioned with the fixed volute 1 through the positioning structure. By utilizing the cooperation between the movable volute 2 and the fixed volute 1, the fan assembly can deliver air in different directions without changing the rotation direction of the fan blades inside the fan assembly. This overcomes the problem in existing technologies where the air delivery direction needs to be adjusted by changing the rotation direction of the fan blades, resulting in a reduction in air volume. This ensures the operational reliability of the fan assembly. The ducted air conditioner can also obtain a reliable air volume in both cooling and heating modes, ensuring the heat exchange efficiency of the ducted air conditioner. At the same time, the positioning structure ensures reliable relative movement between the movable volute 2 and the fixed volute 1, ensuring the structural reliability of the fan assembly.

[0044] Specifically, the fixed volute 1 is provided with at least two rollers 3. All rollers 3 are arranged in a ring around the axis of the fixed volute 1, and the rollers 3 abut against the peripheral sidewall of the movable volute 2. All rollers 3 constitute the positioning structure. By using the rollers 3 to abut against the peripheral sidewall of the movable volute 2, the relative position of the movable volute 2 and the fixed volute 1 is ensured to be relatively reliable, and the movable volute 2 can also rotate reliably. Preferably, there are four rollers 3. The shafts of three rollers 3 are fixedly mounted on the fixed volute 1, and the shaft of the remaining roller 3 is movably mounted on the fixed volute 1. The movability of the rollers 3 provides space for the disassembly and assembly of the movable volute 2. When disassembling or assembling the movable volute 2, the movable roller 3 is moved on the fixed volute 1, and then the movable volute 2 is placed into the fixed volute 1, so that the movable volute 2 abuts against the three fixed rollers 3. After the movable volute 2 is installed, the movable roller 3 is moved to the position abutting against the movable volute 2, thereby achieving reliable restriction of the circumferential degree of freedom of the movable volute 2. It should be noted that all rollers 3 can still rotate relative to the fixed volute 1 along their corresponding axes. The movable rollers 3 refer to the rollers whose axes can move relative to the fixed volute 1. The three fixed rollers 3 can complete the circumferential positioning of the movable volute 2, while the movable rollers 3 can lock the installation direction of the movable volute 2 to ensure the reliable installation of the movable volute 2.

[0045] Since the movable volute 2 is located inside the fixed volute 1 and is inconvenient to install, the fan assembly also includes an air collection structure 4. An air inlet 13 is provided on the end face of the fixed volute 1, and the air collection structure 4 is located at the air inlet 13. The air collection structure 4 is connected to the movable volute 2 through the air inlet 13. A roller 3 is located on the outer surface of the end face of the fixed volute 1, and the roller 3 abuts against the air collection structure 4. The air collection structure 4 improves the air intake effect of the fan assembly and also facilitates the circumferential positioning of the roller 3 on the movable volute 2, thus improving the structural reliability of the fan assembly.

[0046] Since the air inlet 13 is located on the end face of the fixed volute 1, the fan assembly receives air from one side. This airflow passes through the movable volute 2, causing it to move axially relative to the fixed volute 1. Therefore, the fixed volute 1 has a first end face 14, and the movable volute 2 has a second end face 21 adjacent to the first end face 14. A distance h exists between the first end face 14 and the second end face 21. The positioning structure is positioned within this distance h to axially position the fixed volute 1 and the movable volute 2. This positioning structure prevents interference between the first end face 14 and the second end face 21 due to the axial movement of the movable volute 2, ensuring reliable movement of the movable volute 2.

[0047] In one implementation, the first end face 14 protrudes into the distance h to form a protrusion 5. The distance from the protrusion 5 to the second end face 21 is less than the distance from the first end face 14 to the second end face 21. The protrusion 5 constitutes the positioning structure. By using the protrusion 5, the contact area when the movable volute 2 and the fixed volute 1 interfere with each other is reduced, thereby reducing the friction between the movable volute 2 and the fixed volute 1 and ensuring reliable movement of the movable volute 2.

[0048] Alternatively, the second end face 21 protrudes into the distance h to form a protrusion 5, the distance from the protrusion 5 to the first end face 14 being less than the distance from the second end face 21 to the first end face 14, and the protrusion 5 constitutes the positioning structure. The protrusion 5 reduces the contact area when the movable volute 2 and the fixed volute 1 interfere, thereby reducing the friction between the movable volute 2 and the fixed volute 1 and ensuring reliable movement of the movable volute 2.

[0049] To further ensure the coaxiality of the movable volute 2 and the fixed volute 1, an air inlet 13 is provided on the first end face 14 of the fixed volute 1, and a circumferential limiting member 6 is provided on the movable volute 2. The circumferential limiting member 6 extends into the air inlet 13 and can abut against the edge of the air inlet 13, thus forming the positioning structure. By extending into the air inlet 13 and abutting against the edge of the air inlet 13, the circumferential limiting member 6 can rotate relative to the edge of the air inlet 13, ensuring reliable positioning and rotation of the movable volute 2.

[0050] The movable volute 2 has a second end face 21, which is adjacent to the first end face 14. The circumferential limiting member 6 is disposed on the second end face 21. The second end face 21 is used to seal against the first end face 14 around the air inlet 13. The second end face 21 has a through hole, through which the air inlet 13 can communicate with the interior of the fixed volute 1. The portion of the second end face 21 around the through hole and the portion of the first end face 14 around the air inlet 13 can form a narrow channel between the movable volute 2 and the fixed volute 1, increasing the flow resistance at the distance h, improving the sealing effect, and thus improving the air delivery efficiency of the fan assembly.

[0051] Furthermore, the number of circumferential limiting members 6 is at least two, and all the circumferential limiting members 6 are distributed in a ring on the second end face 21 with the axis of the fixed volute 1 as the axis. The multiple circumferential limiting members 6 are used to achieve multi-point contact positioning with the air inlet 13, which further improves the reliability of circumferential positioning of the movable volute 2.

[0052] The circumferential limiting component 6 is detachably mounted on the movable volute 2, making it convenient to replace the circumferential limiting component 6.

[0053] The circumferential limiting member 6 has a protrusion 5 on its sidewall facing the first end face 14. The protrusion 5 can abut against the first end face 14. The protrusion 5 and the circumferential limiting member 6 together constitute the positioning structure. The protrusion 5 reduces the contact area when the movable volute 2 and the fixed volute 1 interfere, thereby reducing the friction between them, achieving axial positioning of the movable volute 2, and ensuring reliable movement of the movable volute 2.

[0054] Furthermore, the protrusion 5 includes a first protrusion structure and a second protrusion structure, wherein the height of the first protrusion structure is greater than the height of the second protrusion structure. When the movable volute 2 moves axially, the protrusion 5 comes into contact with the fixed volute 1. At this time, the first protrusion structure first contacts the fixed volute 1, while the second protrusion structure serves as a backup. When the first protrusion structure is worn to a certain extent, the second protrusion structure can also come into contact with either the fixed volute 1 or the movable volute 2, ensuring the reliable movement of the movable volute 2. When the second protrusion structure comes into contact with either the fixed volute 1 or the movable volute 2, it indicates that the protrusion 5 needs to be replaced or that the axial force on the movable volute 2 is too large, requiring maintenance of the fan assembly.

[0055] Preferably, the fan assembly further includes a mounting structure 71 and a connector 72. The mounting structure 71 is disposed on the movable volute 2, and the connector 72 is connected to the mounting structure 71. The circumferential limiting member 6 is disposed on the free end of the connector 72. The mounting structure 71 facilitates the assembly and disassembly of the circumferential limiting member 6 and the movable volute 2. Simultaneously, the length of the connector 72 allows it to bend to a certain extent. This bending allows the circumferential limiting member 6 to make slight circumferential displacement relative to the movable volute 2. This ensures reliable engagement between the circumferential limiting member 6 and the edge of the air inlet 13, while preventing the circumferential limiting member 6 from jamming with the edge of the air inlet 13. This ensures reliable rotation of the movable volute 2 and, consequently, the structural reliability of the fan assembly.

[0056] A ducted air handling unit includes the aforementioned fan assembly.

[0057] The ducted air conditioner has a cooling mode and a heating mode. The first air outlet 11 faces the side wall of the ducted air conditioner, and the second air outlet 12 faces the bottom wall of the ducted air conditioner. When the ducted air conditioner is in the cooling mode, the movable volute 2 opens the first air outlet 11 and closes the second air outlet 12. The cold air generated by the ducted air conditioner during cooling will be blown out horizontally through the first air outlet 11 and then flow downward under the action of gravity, achieving a shower-like cooling effect. When the ducted air conditioner is in the heating mode, the movable volute 2 opens the second air outlet 12 and closes the first air outlet 11. The hot air can be blown downward through the second air outlet 12, quickly reaching the ground and spreading out on the ground, achieving a carpet-like heating effect, effectively improving the user experience of the ducted air conditioner.

[0058] An air conditioner comprising the aforementioned fan assembly or the aforementioned duct unit.

[0059] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A fan assembly, characterized in that: include: A fixed volute (1) is provided with a first air outlet (11) and a second air outlet (12); The movable volute (2) is rotatably disposed inside the fixed volute (1), and the movable volute (2) has a first state of closing the first air outlet (11) and opening the second air outlet (12), and the movable volute (2) also has a second state of opening the first air outlet (11) and closing the second air outlet (12). A positioning structure is provided between the fixed volute (1) and the movable volute (2), and the movable volute (2) is axially and / or circumferentially positioned with the fixed volute (1) through the positioning structure.

2. The wind turbine assembly according to claim 1, characterized in that: At least two rollers (3) are provided on the fixed volute (1). All the rollers (3) are arranged in a ring around the axis of the fixed volute (1), and the rollers (3) abut against the peripheral sidewall of the movable volute (2). All the rollers (3) constitute the positioning structure.

3. The wind turbine assembly according to claim 2, characterized in that: The fan assembly also includes an air collection structure (4). An air inlet (13) is provided on the end face of the fixed volute (1). The air collection structure (4) is located at the air inlet (13), and the air collection structure (4) is connected to the movable volute (2) through the air inlet (13). The roller (3) is located on the outer surface of the end face of the fixed volute (1), and the roller (3) abuts against the air collection structure (4).

4. The wind turbine assembly according to claim 1, characterized in that: The fixed volute (1) has a first end face (14), and the movable volute (2) has a second end face (21) adjacent to the first end face (14). There is a distance h between the first end face (14) and the second end face (21). The positioning structure is disposed within the distance h to perform axial positioning of the fixed volute (1) and the movable volute (2).

5. The wind turbine assembly according to claim 4, characterized in that: The first end face (14) protrudes into the distance h to form a protrusion (5), the distance from the protrusion (5) to the second end face (21) is less than the distance from the first end face (14) to the second end face (21), and the protrusion (5) constitutes the positioning structure.

6. The wind turbine assembly according to claim 4, characterized in that: The second end face (21) protrudes into the distance h to form a protrusion (5), the distance from the protrusion (5) to the first end face (14) is less than the distance from the second end face (21) to the first end face (14), and the protrusion (5) constitutes the positioning structure.

7. The wind turbine assembly according to claim 1, characterized in that: An air inlet (13) is provided on the first end face (14) of the fixed volute (1), and a circumferential limiting member (6) is provided on the movable volute (2). The circumferential limiting member (6) extends into the air inlet (13) and can abut against the edge of the air inlet (13). The circumferential limiting member (6) constitutes the positioning structure.

8. The wind turbine assembly according to claim 7, characterized in that: The movable volute (2) has a second end face (21), which is adjacent to the first end face (14), and the circumferential limiting member (6) is disposed on the second end face (21).

9. The wind turbine assembly according to claim 8, characterized in that: The number of the circumferential limiting members (6) is at least two, and all the circumferential limiting members (6) are distributed in a ring on the second end face (21) with the axis of the fixed volute (1) as the axis.

10. The wind turbine assembly according to claim 8, characterized in that: The circumferential limiting member (6) has a protrusion (5) on its side wall facing the first end face (14). The protrusion (5) can abut against the first end face (14). The protrusion (5) and the circumferential limiting member (6) together constitute the positioning structure.

11. The wind turbine assembly according to any one of claims 5, 6, or 10, characterized in that: The protrusion (5) includes a first protrusion structure and a second protrusion structure, wherein the height of the first protrusion structure is greater than the height of the second protrusion structure.

12. The wind turbine assembly according to claim 7, characterized in that: The fan assembly also includes an installation structure (71) and a connector (72). The installation structure (71) is disposed on the movable volute (2), and the connector (72) is connected to the installation structure (71). The circumferential limiting member (6) is disposed on the free end of the connector (72).

13. A ducted air conditioner, characterized in that: Includes the wind turbine assembly as described in any one of claims 1 to 12.

14. An air conditioner, characterized in that: Includes the fan assembly according to any one of claims 1 to 12 or the duct machine according to claim 13.

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