CN210738925U - Fan assembly and cabinet air conditioner with same - Google Patents

Abstract

The utility model provides a fan subassembly and have its cabinet air conditioner. The fan assembly comprises a first air channel part, a second air channel part and a ventilation channel, wherein the second air channel part and the first air channel part can form a ventilation channel; the fan part is arranged in the ventilation channel; the air duct switching mechanism is arranged adjacent to the second air duct portion, and comprises a first switching mechanism and a second switching mechanism, wherein the first switching mechanism can enable the first air duct portion to have a first opening position for opening the ventilation channel and a first closing position for closing the ventilation channel, and the second switching mechanism can enable the first air duct portion to have a second opening position for opening the ventilation channel and a second closing position for closing the ventilation channel; the air outlet end and the air inlet end of the first air duct portion can be controlled through the air duct switching mechanism, so that the cabinet air conditioner with the fan assembly can select a corresponding air outlet mode according to a corresponding heat exchange mode, and the energy of the cabinet air conditioner is effectively utilized.

Description

Fan assembly and cabinet air conditioner with same

Technical Field

The utility model relates to an air conditioning equipment technical field particularly, relates to a fan subassembly and have its cabinet air conditioner.

Background

The existing air-conditioning products are widely used, and the fan blades respectively comprise three types of centrifugal fan blades, cross-flow fan blades and axial-flow fan blades, various fan blades respectively have different effects, the requirements of different air-conditioning product developments are met, and different fan blade forms are configured to meet the machine type development for different use requirements and different air inlet and outlet mode requirements. The mixed flow fan blade used in the prior art has a complex structure and large air volume loss, so that the problem of poor user experience is caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a fan subassembly and have its cabinet air conditioner to solve the big problem of air conditioner amount of wind loss among the prior art.

In order to achieve the above object, according to an aspect of the present invention, there is provided a fan assembly, including: a first air duct portion; the second air channel part and the first air channel part can enclose a ventilation channel; the fan part is arranged in the ventilation channel; the air duct switching mechanism is arranged adjacent to the second air duct part and comprises a first switching mechanism and a second switching mechanism, the first switching mechanism can enable the first air duct part to have a first opening position for opening the ventilation channel and a first closing position for closing the ventilation channel, and the second switching mechanism can enable the first air duct part to have a second opening position for opening the ventilation channel and a second closing position for closing the ventilation channel; when the first air duct portion is located at the first opening position, the first end of the ventilation channel is an air inlet end, the second end of the ventilation channel is an air outlet end, and when the first air duct portion is located at the second opening position, the first end of the ventilation channel is an air outlet end and the second end of the ventilation channel is an air inlet end.

Further, when the first air channel portion is located at the first closed position, the first air channel portion and the second air channel portion are arranged far away from each other, and when the first air channel portion is located at the first open position, the first air channel portion and the second air channel portion are connected to enclose a sealed ventilation channel.

Furthermore, the first switching mechanism is connected with the first air duct part, the first air duct part comprises a plurality of annular air duct sections, and the plurality of annular air duct sections are sequentially and movably connected along the axis direction of the second air duct part; and one of the annular air duct sections which is the farthest away from the second air duct part is connected with the installation foundation, and the other one of the annular air duct sections which is the closest away from the second air duct part is connected with the first switching mechanism.

Further, the plurality of annular duct segments comprises: the first end of the first component section is connected with the installation foundation; a second component section, a first end of the second component section being connected to a second end of the first component section; a third component section, wherein the first end of the third component section is connected with the second end of the second component section; the first end of the fourth segment is connected with the second end of the third segment, the second end of the fourth segment is connected with the second air duct, the first switching mechanism is connected with the outer surface of the fourth segment, the first switching mechanism can drive the fourth segment to move upwards along the vertical direction and sequentially drive the third segment and the second segment to move to the first closed position, or the first switching mechanism can drive the fourth segment to move downwards along the vertical direction and drive the third segment and the second segment to move to the first open position.

Furthermore, a first rack is arranged on the outer surface of the fourth component section in the vertical direction, the first switching mechanism comprises a first driving part, and a first driving gear meshed with the first rack is arranged at the output end of the first driving part.

Furthermore, a first stop boss is arranged on the outer peripheral surface of the second end of the first assembly section, a first sealing boss matched with the first stop boss is arranged on the inner peripheral surface of the first end of the second assembly section, and/or a second stop boss is arranged on the outer peripheral surface of the second end of the second assembly section, a second sealing boss matched with the second stop boss is arranged on the inner peripheral surface of the first end of the third assembly section, a third stop boss is arranged on the outer peripheral surface of the second end of the third assembly section, and a third sealing boss matched with the third stop boss is arranged on the inner peripheral surface of the first end of the fourth assembly section.

Further, the outer peripheral surface of the first end of the second component is provided with a first limiting member for limiting the third component, and/or the outer peripheral surface of the first end of the third component is provided with a second limiting member for limiting the fourth component.

Further, when the first air duct portion is located at the first closed position, the third component section is located in the fourth component section, the second component section is located in the third component section, and the first component section is located in the second component section.

Further, the fourth component section, the third component section, the second component section, and the first component section are arranged such that inner diameters thereof are sequentially reduced.

Further, the installation base includes: the first end of the first component section is connected with the support frame assembly, the first switching mechanism is installed on the support frame assembly and is connected with the fourth component section, and a first through hole for the fourth component section, the third component section and the second component section to pass through is formed in the middle of the support frame assembly.

Further, the support bracket assembly includes: the middle part of the air duct fixing frame is provided with a second through hole, and the first composition section is connected with the air duct fixing frame; the first support frame is connected with the air duct fixing frame, a first through hole is formed in the first support frame, the upper surface of the first support frame and the lower surface of the air duct fixing frame are arranged at a distance, and when the first air duct portion is located at the first closing position, the end face of the second end of the fourth assembly section is flush with the lower surface of the first support frame.

Further, the second air channel portion includes: the air duct body, the diameter of the first end of air duct body to the second end of air duct body sets up with reducing gradually, and fan portion sets up in the first end of air duct body.

Further, the fan portion includes: a hub; the mixed flow blades are arranged at intervals along the circumferential direction of the hub, and are arranged at intervals from the side wall of the air duct body; the fan blade driving part is connected with the hub and can drive the hub to drive the mixed flow blades to be rotationally arranged relative to the air duct body.

Further, the fan portion still includes: the splitter blade, splitter blade is connected with wheel hub, and splitter blade is a plurality of, is provided with a splitter blade between the adjacent mixed flow blade, and splitter blade's length along vertical direction is less than mixed flow blade's length along vertical direction.

Further, the fan portion still includes: guide vanes, guide vanes set up in the second end of wind channel body and are connected with the lateral wall of wind channel body, guide vanes are a plurality of, and a plurality of guide vanes set up along the circumference interval ground of wind channel body, and a plurality of guide vanes all are located the top of fan portion.

Further, when the first air channel portion is located at the first open position, part of the guide vanes extend into the first air channel portion.

Furthermore, the inner diameter of at least one of the annular air duct sections is of a gradual change structure, and the inner diameter of the other annular air duct section is of an equal diameter structure.

Further, the first air channel portion further includes: the first end of the first framework is movably connected with the first switching mechanism, and the first framework is used for mounting an air duct coaming; the second framework is used for installing an air duct coaming plate, when the first air duct part is positioned at a second opening position, the fifth component section and the sixth component section are encircled to form a first sealing channel, and when the first air duct part is positioned at a second closing position, the fifth component section and the sixth component section move to a first preset position along the radial direction of the second air duct part; wherein the fifth component section and the sixth component section are in the second closed position when the plurality of annular air duct segments are in the first open position, and the fifth component section and the sixth component section are in the second open position and below the plurality of annular air duct segments when the plurality of annular air duct segments are in the first closed position.

Further, the first air channel portion further includes: the seventh component section comprises a third framework, the first end of the third framework is movably connected with the second switching mechanism, the seventh component section is positioned on the outer side of the fifth component section, the third framework is used for installing an air duct coaming, and the seventh component section can drive the fifth component section to move to a second closing position or a second opening position along the radial direction of the second air duct part; the eighth component section comprises a fourth framework, a first end of the fourth framework is movably connected with the second switching mechanism, the eighth component section is located on the outer side of the sixth component section, the eighth component section and the seventh component section are arranged oppositely, a second end of the seventh component section and a second end of the eighth component section can be enclosed to form a second sealing channel, the first sealing channel is communicated with the second air duct part through the second sealing channel communicated with the first sealing channel, the fourth framework is used for installing an air duct coaming, and the eighth component section can drive the sixth component section to move to a second closing position or a second opening position along the radial direction of the second air duct part.

Further, when the first air duct portion is located at the second opening position, the seventh component section and the eighth component section enclose a second sealing channel, and when the first air duct portion is located at the second closing position, the seventh component section and the eighth component section move to the second preset position along the radial direction of the second air duct portion.

Further, after the second switching mechanism drives the seventh component section and the eighth component section to move outward to the first preset position along the radial direction of the second air duct portion, the seventh component section drives the fifth component section to move to the second preset position, and the eighth component section drives the sixth component section to move to the second preset position.

Furthermore, at least one of the seventh component section and the fifth component section is provided with a first stop structure, the seventh component section drives the fifth component section to move through the first stop structure, and/or at least one of the eighth component section and the sixth component section is provided with a second stop structure, and the eighth component section drives the sixth component section to move through the second stop structure.

Further, the inner diameter of the first sealing channel is of an equal-diameter structure, and/or the inner diameter of the second sealing channel is gradually increased in a direction away from the first sealing channel.

Furthermore, a second rack extending along the horizontal direction is arranged on the third framework and/or the fourth framework, and a second driving gear meshed with the second rack is arranged on the second switching mechanism.

Further, the second switching mechanism includes: the second supporting frame is connected with the mounting foundation, and the fifth component section, the sixth component section, the seventh component section and the eighth component section are movably connected with the second supporting frame; and the second driving part drives the fifth composition section and the seventh composition section to move to the second opening position along the first direction through the second driving gear, and/or drives the sixth composition section and the eighth composition section to move to the second opening position along the second direction opposite to the first direction through the second driving gear.

Further, the middle part of second support frame is provided with the ventilation hole, and when seventh component section and eighth component section were located the second closed position, the inner peripheral surface of seventh component section and eighth component section was located the pore wall outside in ventilation hole.

According to the utility model discloses an on the other hand provides a cabinet air conditioner, including the fan subassembly, the fan subassembly is foretell fan subassembly.

Further, the cabinet air conditioner includes: the shell is provided with an upper air inlet and a lower air inlet; the heat exchanger, the heat exchanger sets up in the casing, is provided with at least one fan subassembly in the casing, and the fan subassembly can be with the air current that lies in outside the casing through last wind gap introduction casing in with the heat exchanger carry out the heat exchange after, outside the shell is discharged to the rethread wind gap, and perhaps, the fan subassembly can be with the air current that lies in outside the shell through the wind gap introduction casing down in with the heat exchanger carry out the heat exchange after, outside the shell is discharged to the rethread wind gap.

Use the technical scheme of the utility model, set up first wind channel portion and second wind channel portion in the fan subassembly, can control the air-out end and the air inlet end of first wind channel portion through wind channel switching mechanism, set up like this and can make the cabinet air conditioner that has this fan subassembly select corresponding air-out mode according to corresponding heat transfer mode, effectively utilized the energy of cabinet air conditioner, reduced the amount of wind loss of fan subassembly, improved the energy utilization ratio of cabinet air conditioner.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of a first embodiment of a fan section according to the invention;

fig. 2 shows a schematic structural view of a second embodiment of a fan section according to the invention;

fig. 3 shows a schematic structural view of an embodiment of the first air duct portion according to the present invention in a first open position;

fig. 4 shows a schematic cross-sectional structural view of an embodiment of the first air duct portion according to the invention in a first open position;

fig. 5 shows a schematic structural view of an embodiment of the first air duct portion in a first closed position according to the present invention;

FIG. 6 shows a schematic cross-sectional structural view of an embodiment of a first air duct portion in a first closed position according to the present invention;

fig. 7 shows a schematic cross-sectional view of an embodiment of the first air duct portion cooperating with the first support frame in the first closed position according to the invention;

fig. 8 shows a schematic structural view of an embodiment of a second switching mechanism according to the present invention in a second open position;

fig. 9 shows a schematic cross-sectional view of an embodiment of a second switching mechanism in a second open position in accordance with the present invention;

fig. 10 is a schematic structural view illustrating an embodiment in which the second switching mechanism is located at the second closed position according to the present invention;

fig. 11 shows a schematic cross-sectional view of an embodiment of a second switching mechanism in a second closed position in accordance with the present invention;

figure 12 shows an exploded schematic view of an embodiment of a fan assembly according to the present disclosure;

figure 13 shows a schematic structural view of a first embodiment of a fan assembly according to the present invention;

figure 14 shows a schematic cross-sectional structural view of a first embodiment of a fan assembly according to the present invention;

figure 15 shows a schematic structural view of a second embodiment of a fan assembly according to the present invention;

figure 16 shows a schematic cross-sectional view of a second embodiment of a fan assembly according to the present invention;

figure 17 shows an exploded view of a second embodiment of a fan assembly according to the present invention.

Wherein the figures include the following reference numerals:

10. a first air duct portion;

11. a first composition segment; 111. a first stop boss;

12. a second composition segment; 121. a first seal boss; 122. a second stop boss;

13. a third group of segments; 131. a second seal boss; 132. a third stop boss;

14. a fourth component section; 141. a first rack; 142. a third seal boss;

15. a first skeleton; 16. a second skeleton; 17. a third skeleton; 18. a fourth skeleton;

20. a second air duct portion; 21. an air duct body;

30. a fan section; 31. a hub; 32. a mixed flow blade; 33. a splitter blade; 34. a guide vane;

40. a first switching mechanism; 41. a first drive gear;

50. a support frame assembly; 51. an air duct fixing frame; 52. a first support frame;

60. a vent hole;

61. a first through hole; 62. a second via.

70. A second switching mechanism; 71. a second drive gear; 72. a second support frame;

80. a second rack.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

Referring to fig. 1 to 17, according to an embodiment of the present invention, a fan assembly is provided.

Specifically, as shown in fig. 1 to 4, the fan assembly includes a first air duct portion 10, a second air duct portion 20, a fan portion 30, and an air duct switching mechanism. The second air channel portion 20 and the first air channel portion 10 may be enclosed as a ventilation channel. The fan portion 30 is provided in the ventilation passage. The air duct switching mechanism is disposed adjacent to the second air duct portion 20. The air duct switching mechanism includes a first switching mechanism 40 and a second switching mechanism 70. The first switching mechanism 40 may cause the first air channel portion 10 to have a first open position in which the ventilation passage is open, and to have a first closed position in which the ventilation passage is closed. The second switching mechanism 70 may cause the first air channel portion 10 to have a second open position in which the ventilation passage is open, and to have a second closed position in which the ventilation passage is closed. When the first air duct portion 10 is located at the first open position, the first end of the ventilation channel is an air inlet end, the second end of the ventilation channel is an air outlet end, and when the first air duct portion 10 is located at the second open position, the first end of the ventilation channel is an air outlet end and the second end of the ventilation channel is an air inlet end.

In this embodiment, set up first wind channel portion and second wind channel portion in the fan subassembly, can control the air-out end and the air inlet end of first wind channel portion through wind channel switching mechanism, set up like this and can make the cabinet air conditioner that has this fan subassembly select corresponding air-out mode according to corresponding heat transfer mode, effectively utilized the energy of cabinet air conditioner, reduced the amount of wind loss of fan subassembly, improved the energy utilization of cabinet air conditioner.

When the first air duct portion 10 is located at the first closing position, the first air duct portion 10 and the second air duct portion 20 are disposed away from each other, and at this time, the first air duct portion 10 and the second air duct portion 20 are disconnected and ventilation cannot be achieved. When the first air channel portion 10 is in the first open position, the first air channel portion 10 is connected to the second air channel portion 20 to enclose a sealed ventilation passage. The arrangement can improve the practicability of the fan assembly.

As shown in fig. 3, the first switching mechanism 40 is connected to the first air channel portion 10. The first air duct portion 10 includes a plurality of annular air duct segments, and the plurality of annular air duct segments are movably connected in sequence along the axis direction of the second air duct portion 20. The annular air duct section with the farthest distance from the second air duct portion 20 is connected to the installation base, and the annular air duct section with the closest distance from the second air duct portion 20 is connected to the first switching mechanism 40. This arrangement enables the first air channel portion 10 to be simple in structure and reliable in operation.

Specifically, as shown in fig. 4 to 7, the plurality of annular duct segments includes a first constituent segment 11, a second constituent segment 12, a third constituent segment 13, and a fourth constituent segment 14. The first end of the first component section 11 is connected to a mounting base. The first end of the second constituent segment 12 is connected to the second end of the first constituent segment 11. The first end of the third constituent segment 13 is connected to the second end of the second constituent segment 12. A first end of the fourth constituent segment 14 is connected to a second end of the third constituent segment 13. A second end of the fourth constituent segment 14 is connected to the second air channel portion 20. The first switching mechanism 40 is connected to the outer surface of the fourth segment 14, and the first switching mechanism 40 can drive the fourth segment 14 to move upward in the vertical direction and sequentially drive the third segment 13 and the second segment 12 to move to the first closed position. The first switching mechanism 40 can also drive the fourth group of segments 14 to move downwards in the vertical direction and drive the third group of segments 13 and the second group of segments 12 to move to the first open position. A first rack 141 is arranged on the outer surface of the fourth component 14 along the vertical direction, the first switching mechanism 40 includes a first driving part, and the output end of the first driving part is provided with a first driving gear 41 engaged with the first rack 141.

A first stopping boss 111 is arranged on the outer peripheral surface of the second end of the first component section 11, and a first sealing boss 121 matched with the first stopping boss 111 is arranged on the inner peripheral surface of the first end of the second component section 12. A second stopping boss 122 is arranged on the outer peripheral surface of the second end of the second component section 12, a second sealing boss 131 matched with the second stopping boss 122 is arranged on the inner peripheral surface of the first end of the third component section 13, a third stopping boss 132 is arranged on the outer peripheral surface of the second end of the third component section 13, and a third sealing boss 142 matched with the third stopping boss 132 is arranged on the inner peripheral surface of the first end of the fourth component section 14. This arrangement can improve the sealing performance between the air duct assemblies.

Further, the outer peripheral surface of the first end of the second constituent segment 12 is provided with a first stopper for restricting the third constituent segment 13. The outer peripheral surface of the first end of the third constituent segment 13 is provided with a second stopper for restricting the fourth constituent segment 14. The fourth component section 14 can sequentially drive other component sections to move to the preset position, and the reliability of the fan assembly is improved.

When the first duct portion 10 is located at the first closed position, the third constituent segment 13 is located in the fourth constituent segment 14, the second constituent segment 12 is located in the third constituent segment 13, and the first constituent segment 11 is located in the second constituent segment 12. The arrangement can reduce the installation space required by the fan assembly, so that the fan assembly is more compact.

Wherein the fourth constituent segment 14, the third constituent segment 13, the second constituent segment 12, and the first constituent segment 11 are arranged such that inner diameters thereof decrease in this order. The arrangement can enable the fourth assembly section 14, the third assembly section 13, the second assembly section 12 and the first assembly section 11 to form a drum-shaped air duct structure, and the performance of the fan assembly is improved.

Specifically, as shown in fig. 4-6, the mounting base includes a support bracket assembly 50. The first end of the first component 11 is connected to the supporting frame assembly 50, the first switching mechanism 40 is mounted on the supporting frame assembly 50 and connected to the fourth component 14, and the middle of the supporting frame assembly 50 is provided with a first through hole 61 for the fourth component 14, the third component 13 and the second component 12 to pass through. Set up like this and can improve fan assembly's stability.

Further, the support bracket assembly 50 includes a duct mount 51 and a first support bracket 52. The middle of the air duct fixing frame 51 is provided with a second through hole 62. The first component section 11 is connected to the air duct fixing frame 51. The first support frame 52 is connected with the air duct fixing frame 51. The first support frame 52 is provided with a first through hole 61. The upper surface of the first support frame 52 is spaced from the lower surface of the air duct fixing frame 51, and when the first air duct portion 10 is located at the first closed position, the end surface of the second end of the fourth component section 14 is flush with the lower surface of the first support frame 52.

The second air channel portion 20 includes a channel body 21. The diameter of the first end of the air duct body 21 to the second end of the air duct body 21 is gradually reduced, and the fan portion 30 is disposed in the first end of the air duct body 21. The fan section 30 includes a hub 31, mixed flow blades 32, and a blade drive section. The mixed flow blade 32 is plural, and the plural mixed flow blades 32 are provided at intervals in the circumferential direction of the hub 31. The mixing vanes 32 are disposed at a distance from the side wall of the duct body 21. The fan driving portion is connected to the hub 31, and the fan driving portion can drive the hub 31 to drive the mixed flow blades 32 to rotate relative to the air duct body 21. The air outlet efficiency and the air inlet efficiency of the second air duct portion 20 can be improved by the arrangement.

In order to further improve the air outlet performance of the second air channel portion 20, the fan portion 30 further includes a splitter blade 33 and a guide blade 34. The splitter blade 33 is connected with the hub 31, the splitter blade 33 is multiple, one splitter blade 33 is arranged between adjacent mixed flow blades 32, and the length of the splitter blade 33 in the vertical direction is smaller than that of the mixed flow blades 32 in the vertical direction. The guide vanes 34 are disposed in the second end of the air duct body 21 and connected to the side wall of the air duct body 21, the plurality of guide vanes 34 are disposed at intervals along the circumferential direction of the air duct body 21, and the plurality of guide vanes 34 are all located above the fan portion 30. When the first air channel portion 10 is in the first open position, part of the guide vanes 34 extend into the first air channel portion 10.

In this embodiment, the inner diameter of at least one of the plurality of annular air duct segments may be set to be a gradually changing structure, i.e., a necking structure, and the inner diameter of another annular air duct segment is an equal-diameter structure, i.e., a straight-tube structure. The setting can play the effect that improves fan assembly and advance, air-out efficiency like this.

According to another embodiment of the present application, the first air channel portion 10 further includes a fifth constituent segment, a sixth constituent segment, a seventh constituent segment, and an eighth constituent segment. The fifth component section includes a first skeleton 15. The first end of the first frame 15 is movably connected to the second switching mechanism 70, and the first frame 15 is used for mounting an air duct enclosure. The sixth component section includes a second frame 16, and a first end of the second frame 16 is movably connected to the second switching mechanism 70. The fifth component section and the sixth component section are oppositely arranged, and the second framework 16 is used for installing an air duct enclosure. When the first air duct portion 10 is located at the second open position, the fifth component section and the sixth component section are enclosed to form a first sealing channel, and when the first air duct portion 10 is located at the second closed position, the fifth component section and the sixth component section move to the first preset position along the radial direction of the second air duct portion 20. Wherein the fifth component section and the sixth component section are in the second closed position when the plurality of annular air duct segments are in the first open position, and the fifth component section and the sixth component section are in the second open position and below the plurality of annular air duct segments when the plurality of annular air duct segments are in the first closed position. The seventh component section includes a third frame 17, and a first end of the third frame 17 is movably connected to the second switching mechanism 70. The seventh component section is located on the outer side of the fifth component section, and the third framework 17 is used for installing an air duct shroud. The seventh component section can drive the fifth component section to move to the second closed position or the second open position along the radial direction of the second air channel portion 20. The eighth component includes a fourth backbone 18. A first end of the fourth frame 18 is movably connected to the second switching mechanism 70. The eighth component section is located on the outer side of the sixth component section, the eighth component section and the seventh component section are arranged oppositely, the second end of the seventh component section and the second end of the eighth component section can be enclosed to form a second sealing channel, the first sealing channel is communicated with the second air duct portion 20 through the second sealing channel communicated with the first sealing channel, the fourth framework 18 is used for installing an air duct enclosing plate, and the eighth component section can drive the sixth component section to move to a second closing position or a second opening position along the radial direction of the second air duct portion 20. The arrangement enables each component section to be located at a preset position through the switching mechanism, so that different air outlet modes can be realized by each air duct portion. As shown in fig. 9, A, B, C, D in the drawing respectively indicates a fifth component section, a sixth component section, a seventh component section, and an eighth component section.

When the first air duct portion 10 is located at the second opening position, the seventh component section and the eighth component section enclose a second sealing passage. When the first air duct portion 10 is located at the second closed position, the seventh component section and the eighth component section move to the second preset position along the radial direction of the second air duct portion 20. After the second switching mechanism 70 drives the seventh component section and the eighth component section to move outward to the first preset position along the radial direction of the second air duct portion 20, the seventh component section drives the fifth component section to move to the second preset position, and the eighth component section drives the sixth component section to move to the second preset position.

In order to increase the reliability of the displacement of the individual component sections, at least one of the seventh component section and the fifth component section is provided with a first stop. The seventh component section drives the fifth component section to move through the first stop structure. At least one of the eighth component section and the sixth component section is provided with a second stop structure, and the eighth component section drives the sixth component section to move through the second stop structure.

Preferably, the inner diameter of the first sealing channel is of a constant diameter structure. The inner diameter of the second sealing passage is gradually increased along the direction far away from the first sealing passage. The air outlet efficiency of the air duct part in the fan assembly can be improved by the arrangement.

The third frame 17 and the fourth frame 18 are each provided with a second rack 80 extending in the horizontal direction, and the second switching mechanism 70 is provided with a second drive gear 71 engaged with the second rack 80. The arrangement can improve the air channel switching process of the fan assembly, and ensure the reliability and stability of the operation of each component section.

The second switching mechanism 70 includes a second support bracket 72. The second support bracket 72 is connected to the mounting base. The fifth, sixth, seventh and eighth components are movably connected to the second support frame 72. And the output end of the second driving part is provided with a second driving gear 71, the second driving part drives the fifth composition segment and the seventh composition segment to move to the second opening position along the first direction through the second driving gear 71, and/or the second driving part drives the sixth composition segment and the eighth composition segment to move to the second opening position along the second direction opposite to the first direction through the second driving gear 71. The middle part of the second support frame 72 is provided with a vent hole 60, and when the seventh and eighth component sections are located at the second closed position, the inner peripheral surfaces of the seventh and eighth component sections are located outside the hole wall of the vent hole 60. The arrangement makes the second switching mechanism 70 simple in structure and good in stability.

Fan subassembly in above-mentioned embodiment can also be used to air conditioning equipment technical field, promptly according to the utility model discloses an on the other hand provides a cabinet air conditioner. The cabinet air conditioner comprises a fan assembly, and the fan assembly is the fan assembly in the embodiment. The cabinet air conditioner comprises a shell and a heat exchanger. The shell is provided with an upper air inlet and a lower air inlet. The heat exchanger sets up in the casing, is provided with at least one fan subassembly in the casing, and the fan subassembly can be with the air current that lies in outside the casing through last wind gap introduce in the casing carry out the heat exchange with the heat exchanger after, outside the rethread wind gap discharge casing. The fan assembly can also introduce airflow outside the shell into the shell through the lower air inlet to exchange heat with the heat exchanger and then discharge the airflow outside the shell through the upper air inlet.

Specifically, the cabinet air conditioner adopts a special blade-shaped mixed flow fan, and can realize an upper and lower air outlet mode switching control scheme of an upper and lower reversible air outlet duct. The effect of convection current air-out from top to bottom is realized to the cooperation of the wind channel of utilizing two kinds of differences, for realizing using on air conditioner casing, designs the motion on the wind channel subassembly to air-out mode switching control mode about realizing utilizes the motor gear to control each motion scheme and switches, realizes going up the transform of air-out and both modes of air-out down, thereby reaches the demand of two kinds of air current circulations of air conditioner casing.

The fan blade can be divided into two types, one is a basic fan blade impeller, the other is that on the basis of the same hub and blade shape, the large end of the hub in the middle of the fan blade is provided with a splitter blade according to the requirements of rectification or increasing a working surface, the fan blade has the effects of axial flow working air outlet and centrifugal fan blade, the requirement of upper and lower air outlet can be realized by matching two air channels, the difference of the two air channels is that the opening at the upper end of the fan blade is drum-shaped or necking, the upper air outlet can be realized when the opening is a drum-shaped upper opening, and the lower air outlet can be realized when the opening is a necking upper opening.

The cabinet air conditioner comprises an air duct body, mixed flow fan blades, a fan blade motor and a support frame which are of a fixed structure, when a refrigeration mode is operated, in order to avoid cold air from directly blowing people and realize a bathing refrigeration effect, air is fed into a lower air opening, an upper air opening air outlet mode is started, the air duct mechanism is in an upper air outlet mode, namely, a necking air duct framework moves outwards under the driving of a switching motor to drive other necking air duct frameworks to move outwards synchronously to the extent of withdrawing from an inner ring of a fixed frame and giving way to a middle upper air outlet air duct structure, then a drum-shaped air duct framework (a first air duct part) is in a state of being overlapped from top to bottom, the drum-shaped air duct framework is reversely buckled and lapped on a limit structure of the other framework above through an inner ring at the upper edge of the framework under the action of a gear rack of the switching motor to drive the drum-shaped air duct framework to move downwards together, when the drum-shaped air duct framework, the whole air-out mode is switched to the air-out mode in the refrigeration operation, at the moment, when the fan blades rotate to do work, air is sucked from the lower end of the air duct opening, namely the lower air opening of the shell, and air is blown out from the upper end of the air duct opening, namely the upper air opening of the shell. When the heating mode is operated, the air outlet of the air conditioner blows hot air, the blown hot air can float upwards due to the floating of hot air, so that heat is concentrated in the upper space of the indoor space, when the heating mode is selected, the air duct switching mechanism switches the air outlet mode, in the switching process, the upper air outlet mechanism is firstly closed, the switching motor drives the drum-shaped air duct framework to move upwards to realize the closing of the upper air outlet mechanism, then the lower air outlet mechanism is opened, the switching motor drives the necking air duct framework to move inwards, the necking framework is driven to move symmetrically inwards through the limit structures such as the back-off structure and the like to form a closed necking air duct, and due to the principle characteristic of the operation of the mixed flow fan blade, the air outlet mode at the moment is changed into the lower air outlet mode, the air is sucked from the upper end of the shell, and is blown out from the lower end of the air duct opening and the lower air, the air supply mode of the heating mode with the upper inlet and the lower outlet is realized, and the heat distribution of indoor air is better utilized.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (28)

1. A fan assembly, comprising:

a first duct portion (10);

the second air channel part (20) and the first air channel part (10) can enclose a ventilation channel;

a fan portion (30), the fan portion (30) being disposed within the ventilation channel;

an air duct switching mechanism provided adjacent to the second air duct portion (20), the air duct switching mechanism including a first switching mechanism (40) and a second switching mechanism (70), the first switching mechanism (40) allowing the first air duct portion (10) to have a first open position in which the ventilation passage is open and a first closed position in which the ventilation passage is closed, the second switching mechanism (70) allowing the first air duct portion (10) to have a second open position in which the ventilation passage is open and a second closed position in which the ventilation passage is closed;

when the first air duct portion (10) is located at the first open position, the first end of the ventilation channel is an air inlet end, the second end of the ventilation channel is an air outlet end, and when the first air duct portion (10) is located at the second open position, the first end of the ventilation channel is an air outlet end and the second end of the ventilation channel is an air inlet end.

2. The fan assembly according to claim 1, wherein the first air channel portion (10) is located remotely from the second air channel portion (20) when the first air channel portion (10) is in the first closed position, and the first air channel portion (10) is connected to the second air channel portion (20) to enclose the sealed ventilation passage when the first air channel portion (10) is in the first open position.

3. The fan assembly according to claim 1 or 2, wherein the first switching mechanism (40) is connected to the first air duct portion (10), and the first air duct portion (10) comprises a plurality of annular air duct segments which are movably connected in sequence along the axial direction of the second air duct portion (20);

wherein one of the plurality of annular air duct sections, which is farthest from the second air duct portion (20), is connected to an installation base, and one of the plurality of annular air duct sections, which is closest to the second air duct portion (20), is connected to the first switching mechanism (40).

4. The fan assembly of claim 3, wherein the plurality of annular duct segments comprises:

a first component section (11), a first end of the first component section (11) being connected to the mounting base;

a second component section (12), a first end of the second component section (12) being connected to a second end of the first component section (11);

a third component (13), a first end of the third component (13) being connected to a second end of the second component (12);

a fourth group segment (14), a first end of the fourth group segment (14) is connected with a second end of the third group segment (13), a second end of the fourth group segment (14) is connected with the second air duct portion (20), the first switching mechanism (40) is connected with an outer surface of the fourth group segment (14), the first switching mechanism (40) can drive the fourth group segment (14) to move upwards along the vertical direction and sequentially drive the third group segment (13) and the second group segment (12) to move to the first closed position, or the first switching mechanism (40) can drive the fourth group segment (14) to move downwards along the vertical direction and drive the third group segment (13) and the second group segment (12) to move to the second open position.

5. The fan assembly according to claim 4, wherein a first rack gear (141) is disposed on an outer surface of the fourth component section (14) in a vertical direction, and the first switching mechanism (40) comprises a first driving portion, and an output end of the first driving portion is provided with a first driving gear (41) engaged with the first rack gear (141).

6. The fan assembly of claim 4,

a first stopping boss (111) is arranged on the outer peripheral surface of the second end of the first component section (11), a first sealing boss (121) matched with the first stopping boss (111) is arranged on the inner peripheral surface of the first end of the second component section (12), and/or a first sealing boss (121) matched with the first stopping boss (111) is arranged on the inner peripheral surface of the first end of the second component section (12)

A second stop boss (122) is arranged on the outer peripheral surface of the second end of the second assembly section (12), a second sealing boss (131) matched with the second stop boss (122) is arranged on the inner peripheral surface of the first end of the third assembly section (13), a third stop boss (132) is arranged on the outer peripheral surface of the second end of the third assembly section (13), and a third sealing boss (142) matched with the third stop boss (132) is arranged on the inner peripheral surface of the first end of the fourth assembly section (14).

7. The fan assembly of claim 4,

the peripheral surface of the first end of the second component (12) is provided with a first limiting piece for limiting the third component (13), and/or

The outer peripheral surface of the first end of the third component (13) is provided with a second limiting piece for limiting the fourth component (14).

8. The fan assembly according to claim 4, wherein when the first duct portion (10) is in the first closed position, the third component section (13) is located within the fourth component section (14), the second component section (12) is located within the third component section (13), and the first component section (11) is located within the second component section (12).

9. The fan assembly according to claim 4, characterized in that the fourth constituent segment (14), the third constituent segment (13), the second constituent segment (12) and the first constituent segment (11) are arranged with decreasing inner diameters in the order named.

10. The fan assembly of claim 4, wherein the mounting base comprises:

the first end of the first component (11) is connected with the support frame assembly (50), the first switching mechanism (40) is installed on the support frame assembly (50) and is connected with the fourth component (14), and a first through hole (61) for the fourth component (14), the third component (13) and the second component (12) to pass through is formed in the middle of the support frame assembly (50).

11. The fan assembly of claim 10, wherein the support frame assembly (50) comprises:

the air duct fixing frame (51), a second through hole (62) is arranged in the middle of the air duct fixing frame (51), and the first component section (11) is connected with the air duct fixing frame (51);

the first supporting frame (52) is connected with the air duct fixing frame (51), the first through hole (61) is formed in the first supporting frame (52), the upper surface of the first supporting frame (52) and the lower surface of the air duct fixing frame (51) are arranged at a distance, and when the first air duct portion (10) is located at the first closing position, the end face of the second end of the fourth assembly section (14) is flush with the lower surface of the first supporting frame (52).

12. The fan assembly according to claim 1, wherein the second air channel portion (20) comprises:

the air duct comprises an air duct body (21), the diameter of the first end of the air duct body (21) to the diameter of the second end of the air duct body (21) is gradually reduced, and a fan portion (30) is arranged in the first end of the air duct body (21).

13. The fan assembly of claim 12, wherein the fan section (30) comprises:

a hub (31);

the mixed flow blades (32) are arranged in a plurality of numbers, the mixed flow blades (32) are arranged at intervals along the circumferential direction of the hub (31), and the mixed flow blades (32) are arranged at a distance from the side wall of the air duct body (21);

the fan blade driving part is connected with the hub (31), and the fan blade driving part can drive the hub (31) to drive the mixed flow blades (32) to be rotationally arranged relative to the air duct body (21).

14. The fan assembly of claim 13, wherein the fan section (30) further comprises:

splitter blade (33), splitter blade (33) with wheel hub (31) are connected, splitter blade (33) are a plurality of, and are adjacent be provided with one between mixed flow blade (32) splitter blade (33), the length of the vertical direction of edge of splitter blade (33) is less than the length of the vertical direction of edge of mixed flow blade (32).

15. The fan assembly of claim 13, wherein the fan section (30) further comprises:

guide vane (34), guide vane (34) set up in the second end of wind channel body (21) and with the lateral wall of wind channel body (21) is connected, guide vane (34) are a plurality of, and are a plurality of guide vane (34) are followed the circumference interval ground of wind channel body (21) sets up, and is a plurality of guide vane (34) all are located the top of fan portion (30).

16. The fan assembly of claim 15 wherein a portion of the guide vanes (34) extend into the first air channel portion (10) when the first air channel portion (10) is in the first open position.

17. The fan assembly of claim 3, wherein an inner diameter of at least one of the plurality of annular air duct sections is of a gradual change configuration and an inner diameter of another of the annular air duct sections is of a constant diameter configuration.

18. The fan assembly according to claim 3, wherein the first air channel portion (10) further comprises:

the fifth composition section comprises a first framework (15), the first end of the first framework (15) is movably connected with the second switching mechanism (70), and the first framework (15) is used for installing an air duct coaming;

a sixth forming section, which includes a second frame (16), a first end of the second frame (16) is movably connected to the second switching mechanism (70), the fifth forming section is disposed opposite to the sixth forming section, the second frame (16) is configured to mount an air duct enclosure, when the first air duct portion (10) is located at the second open position, the fifth forming section and the sixth forming section are enclosed to form a first sealed passage, and when the first air duct portion (10) is located at the second closed position, the fifth forming section and the sixth forming section move to a first preset position along a radial direction of the second air duct portion (20);

wherein when the plurality of annular air duct segments are in the first open position, the fifth component segment and the sixth component segment are in the second closed position, and when the plurality of annular air duct segments are in the first closed position, the fifth component segment and the sixth component segment are in the second open position and below the plurality of annular air duct segments.

19. The fan assembly of claim 18, wherein the first air channel portion (10) further comprises:

a seventh component section, where the seventh component section includes a third framework (17), a first end of the third framework (17) is movably connected to the second switching mechanism (70), the seventh component section is located outside the fifth component section, the third framework (17) is used to mount an air duct enclosure, and the seventh component section can drive the fifth component section to move to the second closed position or the second open position along the radial direction of the second air duct portion (20);

the eighth component section comprises a fourth framework (18), a first end of the fourth framework (18) is movably connected with the second switching mechanism (70), the eighth component section is located on the outer side of the sixth component section, the eighth component section and the seventh component section are arranged oppositely, a second end of the seventh component section and a second end of the eighth component section can be enclosed to form a second sealing channel, the first sealing channel is communicated with the second air duct portion (20) through the second sealing channel, the fourth framework (18) is used for installing an air duct enclosure plate, and the eighth component section can drive the sixth component section to move to the second closing position or the second opening position along the radial direction of the second air duct portion (20).

20. The fan assembly according to claim 19, wherein the seventh component and the eighth component enclose the second sealed passage when the first air channel portion (10) is in the second open position, and the seventh component and the eighth component move in a radial direction of the second air channel portion (20) to a second predetermined position when the first air channel portion (10) is in the second closed position.

21. The fan assembly of claim 20, wherein after the second switching mechanism (70) drives the seventh component section and the eighth component section to move outward along the radial direction of the second air duct portion (20) to the first preset position, the seventh component section drives the fifth component section to move to the second preset position, and the eighth component section drives the sixth component section to move to the second preset position.

22. The fan assembly of claim 21, wherein at least one of the seventh component section and the fifth component section is provided with a first stop structure by which the seventh component section moves the fifth component section, and/or at least one of the eighth component section and the sixth component section is provided with a second stop structure by which the eighth component section moves the sixth component section.

23. The fan assembly of claim 19, wherein the inner diameter of the first seal channel is of a constant diameter configuration and/or the inner diameter of the second seal channel is increasingly disposed in a direction away from the first seal channel.

24. The fan assembly according to claim 19, wherein a second rack (80) extending in the horizontal direction is provided on the third frame (17) and/or the fourth frame (18), and the second switching mechanism (70) is provided with a second driving gear (71) engaged with the second rack (80).

25. The fan assembly of claim 19, wherein the second switching mechanism (70) comprises:

the second supporting frame (72) is connected with a mounting base, and the fifth component section, the sixth component section, the seventh component section and the eighth component section are movably connected with the second supporting frame (72);

a second driving part, an output end of which is provided with a second driving gear (71), the second driving part drives the fifth and seventh constituent segments to move to the second opening position along a first direction through the second driving gear (71), and/or the second driving part can drive the sixth and eighth constituent segments to move to the second opening position along a second direction opposite to the first direction through the second driving gear (71).

26. The fan assembly of claim 25, wherein the second support bracket (72) is provided with a vent (60) at a middle portion thereof, and when the seventh and eighth segments are in the second closed position, inner circumferential surfaces of the seventh and eighth segments are located outside a hole wall of the vent (60).

27. A cabinet air conditioner including a fan assembly, wherein the fan assembly is as claimed in any one of claims 1 to 26.

28. A cabinet air conditioner according to claim 27, comprising:

a housing having an upper air inlet and a lower air inlet;

the heat exchanger is arranged in the shell, at least one fan assembly is arranged in the shell, the fan assembly can introduce airflow outside the shell through the upper air inlet into the shell to exchange heat with the heat exchanger and then discharge the airflow through the lower air inlet out of the shell, or the fan assembly can introduce airflow outside the shell through the lower air inlet into the shell to exchange heat with the heat exchanger and then discharge the airflow through the upper air inlet out of the shell.

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