CN111075762A

CN111075762A - Indoor unit and air conditioner with same

Info

Publication number: CN111075762A
Application number: CN201911268972.8A
Authority: CN
Inventors: 董明珠; 陈诚; 何振健; 王千千; 吴晓岳
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-04-28

Abstract

The invention provides an indoor unit and an air conditioner with the same. The fan assembly comprises a volute, and a first air port and a second air port are formed in the circumferential direction of the volute; the centrifugal fan is arranged in the volute; the socket tongue part is movably arranged in the volute; the driving part is connected with the volute, the driving part can drive the socket tongue part to rotate to the first air port position and the second air port position around the centrifugal fan, when the socket tongue part is located at one of the first air port position and the second air port position, the socket tongue part and the interior of the volute are enclosed to form a complete volute molded line, and an air outlet is formed at the other one of the first air port and the second air port. By adopting the air conditioner with the fan assembly, the condition of temperature stratification of the air conditioner in the operation process can be avoided, and the energy utilization rate of the air conditioner is effectively improved.

Description

Indoor unit and air conditioner with same

Technical Field

The invention relates to the technical field of air conditioning equipment, in particular to an indoor unit and an air conditioner with the indoor unit.

Background

The prior vertical cabinet air conditioner mainly comprises a square upper air outlet cabinet machine, a circular air outlet cabinet machine and a distributed air supply cabinet machine which can simultaneously air out from the upper part and the lower part. The cabinet air conditioner among the prior art sinks because of air conditioning, the cold and hot air characteristic of steam come-up, when refrigeration, heating the air supply, can lead to the problem of indoor air heat layering, return air position because of the cabinet air conditioner is unchangeable, so heat distribution can not change, the air conditioner carries out the heat transfer to indoor temperature, the heat layering problem of distributed air supply cabinet-type air conditioner is less relatively, the upper and lower temperature difference is less, but still can not overcome the energy utilization inefficiency problem that cold and hot air characteristic brought, and preceding both just do not have corresponding overall arrangement because of the wind gap rigidity, the poor problem of travelling comfort that the heat layering brought can be more obvious.

Disclosure of Invention

The invention mainly aims to provide an indoor unit and an air conditioner with the indoor unit, and aims to solve the problem that the air conditioner in the prior art is low in energy utilization rate.

In order to achieve the above object, according to one aspect of the present invention, there is provided a fan assembly including: the volute is provided with a first air port and a second air port in the circumferential direction; the centrifugal fan is arranged in the volute; the socket tongue part is movably arranged in the volute; the driving part is connected with the volute, the driving part can drive the socket tongue part to rotate to the first air port position and the second air port position around the centrifugal fan, when the socket tongue part is located at one of the first air port position and the second air port position, the socket tongue part and the interior of the volute are enclosed to form a complete volute molded line, and an air outlet is formed at the other one of the first air port and the second air port.

Further, the volute comprises: first spiral case, first spiral case has first end and second end, the second spiral case sets up with first spiral case relatively, in order to enclose and establish into the chamber that holds that is used for holding centrifugal fan and nest tongue, the first end of second spiral case encloses with the first end of first spiral case and establishes into first wind gap, the second end of second spiral case encloses with the second end of first spiral case and establishes into the second wind gap, first through-hole has been seted up at the middle part of first spiral case, the second through-hole has been seted up at the middle part of second spiral case, the outside of at least one in first through-hole and the second through-hole is provided with the installing support, centrifugal fan is connected with the installing support.

Further, the centrifugal fan includes: installing a partition plate; the first fan blade is connected with the mounting partition plate; the second fan blade is connected with the mounting partition plate and arranged opposite to the first fan blade; the power source is connected with the mounting support, an output shaft of the power source is connected with the mounting partition plate, the power source can drive the mounting partition plate to drive the first fan blade and the second fan blade to rotate, and the socket tongue portion is located between the centrifugal fan and the volute.

Further, the drive portion includes a first drive portion, the first drive portion is connected with the first volute, and the socket tongue portion includes: the first volute tongue is movably connected with the first volute, and the first driving part can drive the first volute tongue to rotate to the first air opening and the second air opening around the first fan blade.

Further, the drive portion includes a second drive portion, and the second drive portion is connected with the second spiral case, and the socket tongue portion includes: the second socket tongue is movably connected with the second volute, and the second driving part can drive the second socket tongue to rotate to the first air opening and the second air opening around the second fan blade.

Further, the first socket tongue and the second socket tongue are arranged to rotate synchronously.

Further, the first socket tongue comprises: the first fossa lingual blade is of an arc-shaped structure and is positioned in the accommodating cavity; the first end of the first annular rotating disk is connected with the first socket tongue blade, the second end of the first annular rotating disk extends out of the volute through the first through hole, the outer peripheral face of the second end of the first annular rotating disk is provided with a first annular rack, the first driving portion is connected with the outer surface of the first volute, and the output shaft of the first driving portion is provided with a first driving gear matched with the first annular rack.

Further, the fan assembly still includes: the first rolling wheel assembly is connected with the first volute, and the outer peripheral surface of the first annular rotating disk is provided with a rolling groove matched with the first rolling wheel assembly.

Further, the second socket tongue comprises: the second socket tongue blade is of an arc-shaped structure and is positioned in the accommodating cavity; the second annular rotating disk, the second nest tongue leaf is connected with the first end of the second annular rotating disk, the second end of the second annular rotating disk extends out of the volute through the second through hole, the outer peripheral face of the second end of the second annular rotating disk is provided with a second annular rack, the second driving portion is connected with the outer surface of the second volute, and a second driving gear matched with the second annular rack is arranged on the output shaft of the second driving portion.

Further, the fan assembly still includes: and the second roller assembly is connected with the second volute, and the peripheral surface of the second annular rotating disk is provided with a rolling groove matched with the second roller assembly.

According to another aspect of the present invention, there is provided an air conditioner, comprising a fan assembly, wherein the fan assembly is the above fan assembly.

Further, the air conditioner includes: the fan assembly is arranged in the shell, the first air opening is arranged close to and communicated with the upper air opening, and the second air opening is arranged close to and communicated with the lower air opening; when the socket tongue part rotates to the second air port, the centrifugal fan can suck the air flow outside the shell into the shell through the lower air port and then discharge the air flow outside the shell after passing through the first air port and the upper air port in sequence, and when the socket tongue part rotates to the first air port, the centrifugal fan can suck the air flow outside the shell into the shell through the upper air port and then discharge the air flow outside the shell after passing through the second air port and the lower air port in sequence.

Furthermore, the side wall of the shell opposite to the first through hole and the second through hole is provided with an air inlet, and an air door for opening or closing the air inlet is arranged in the shell.

Furthermore, the shell is provided with an upper cavity and a lower cavity, the fan assembly is arranged in the lower cavity, the air inlet is formed in the side wall of the lower cavity, the upper cavity is internally provided with a heat exchanger, and the heat exchanger is arranged in a V-shaped structure.

By applying the technical scheme of the invention, the driving part is arranged to drive the socket tongue part to rotate, so that when the socket tongue part is positioned at one of the first air port and the second air port, the other one of the first air port and the second air port forms an air outlet, and the arrangement enables the volute to realize a multidirectional air outlet mode through the first air port and the second air port, thereby effectively improving the practicability of the fan assembly.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, 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 illustrates an exploded view of an embodiment of a fan assembly according to the present disclosure;

FIG. 2 shows a schematic structural view of a first embodiment of a fan assembly according to the present invention;

FIG. 3 shows a schematic structural view of a second embodiment of a fan assembly according to the present invention;

fig. 4 is a schematic structural view showing a first embodiment of an air conditioner according to the present invention;

fig. 5 is a schematic structural view showing a second embodiment of an air conditioner according to the present invention;

fig. 6 is a schematic structural view showing a third embodiment of an air conditioner according to the present invention;

fig. 7 is a schematic structural view showing a fourth embodiment of an air conditioner according to the present invention;

fig. 8 is a schematic sectional view showing a fifth embodiment of an air conditioner according to the present invention;

fig. 9 is a schematic sectional view showing a sixth embodiment of an air conditioner according to the present invention;

fig. 10 is a schematic sectional view showing a seventh embodiment of an air conditioner according to the present invention;

fig. 11 is a schematic sectional view showing an eighth embodiment of an air conditioner according to the present invention;

fig. 12 is a schematic sectional view showing a ninth embodiment of an air conditioner according to the present invention;

fig. 13 is a schematic sectional view showing a tenth embodiment of an air conditioner according to the present invention.

Wherein the figures include the following reference numerals:

10. a volute; 11. a first tuyere; 12. a second tuyere; 13. a first volute; 14. a second volute;

20. a centrifugal fan; 21. installing a partition plate; 22. a first fan blade; 23. a second fan blade; 24. a power source;

30. a socket tongue portion;

31. a first tongue; 311. the first fossa lingual lobe; 312. a first annular rotating disk; 313. a first annular rack;

32. a second, glenoid tongue; 321. the second tongue of fossa; 322. a second annular rotating disk; 323. a second annular rack;

40. a drive section; 41. a first driving section; 411. a first drive gear; 42. a second driving section; 421. a second drive gear;

50. mounting a bracket;

60. a first roller assembly;

70. a second roller assembly;

80. a housing; 81. an air inlet; 82. a lower tuyere; 83. an air inlet; 84. a heat exchanger; 85. and a top cover.

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 embodiments with reference to the attached drawings.

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. 1-13, according to an embodiment of the present application, a fan assembly is provided.

Specifically, as shown in fig. 1 to 3, the fan assembly includes a volute 10, a centrifugal fan 20, a socket tongue 30, and a driving portion 40. The volute 10 is circumferentially provided with a first tuyere 11 and a second tuyere 12. The centrifugal fan 20 is disposed in the scroll casing 10. The socket tongue 30 is movably disposed within the volute 10. The driving portion 40 is connected with the volute 10, the driving portion 40 can drive the socket tongue portion 30 to rotate around the centrifugal fan 20 to the first air opening 11 position and the second air opening 12 position, when the socket tongue portion 30 is located at one of the first air opening 11 position and the second air opening 12 position, the socket tongue portion 30 and the inside of the volute 10 are enclosed to form a complete volute profile, and an air outlet is formed at the other one of the first air opening 11 position and the second air opening 12 position.

In this embodiment, through setting up the rotation of drive division drive nest tongue for when nest tongue is located one position in first wind gap 11 and second wind gap 12, another formation air outlet in first wind gap 11 and the second wind gap 12, set up like this and make the spiral case can realize multi-direction air-out mode through first wind gap 11 and second wind gap 12, can improve the practicality of this fan subassembly effectively, and set up centrifugal fan in the spiral case, can improve the intake and the air output of fan subassembly effectively, adopt the air conditioner that has this fan subassembly, can avoid the condition that the air conditioner appears the temperature layering in the operation process, the energy utilization who has improved the air conditioner effectively. Because the socket tongue portion 30 and the inner part of the volute 10 are enclosed to form a complete volute molded line, no matter the socket tongue portion 30 rotates to the first air port 11 or the second air port 12, no noise can be generated when air flow sucked into the housing through the centrifugal fan is set, the socket tongue portion 30 can be tightly attached to the volutes at the first air port 11 and the second air port 12, and the sealing performance of the socket tongue portion 30 and the volute 10 is effectively improved.

Wherein the volute 10 comprises a first volute 13 and a second volute 14. The first volute 13 has a first end and a second end. The second scroll casing 14 is disposed opposite to the first scroll casing 13 to enclose a housing chamber for housing the centrifugal fan 20 and the socket tongue 30. A first end of the second scroll casing 14 and a first end of the first scroll casing 13 are enclosed as the first tuyere 11. The second end of the second scroll casing 14 and the second end of the first scroll casing 13 are enclosed as the second tuyere 12. The middle of the first volute casing 13 is provided with a first through hole. The middle of the second volute 14 is provided with a second through hole. The outer side of at least one of the first through hole and the second through hole is provided with a mounting bracket 50, and the centrifugal fan 20 is connected with the mounting bracket 50. The volute is simple in structure and easy to process, and the stability of assembly is good.

Further, the centrifugal fan 20 includes a mounting partition 21, a first fan blade 22, a second fan blade 23 and a power source 24. The first fan blade 22 is connected with the mounting partition plate 21. The second fan blade 23 is connected with the mounting partition plate 21, and the second fan blade 23 is arranged opposite to the first fan blade 22. The power source 24 is connected with the mounting bracket 50, an output shaft of the power source 24 is connected with the mounting partition plate 21, the power source 24 can drive the mounting partition plate 21 to drive the first fan blade 22 and the second fan blade 23 to rotate, and the socket tongue portion 30 is located between the centrifugal fan 20 and the volute 10. The air suction capacity and the air blowing capacity of the centrifugal fan can be improved, and then the air inlet volume and the air outlet volume of the fan assembly are effectively improved. The power source 24 may be a driving motor, and the mounting partition 21 is located between the first fan blade 22 and the second fan blade 23, so that the first fan blade 22 and the second fan blade 23 can actually form two independent centrifugal fan blades, and interference phenomenon cannot occur when the first fan blade and the second fan blade rotate respectively. Because the first fan blade 22 and the second fan blade 23 are arranged oppositely, when the first fan blade 22 and the second fan blade 23 are required to simultaneously suck air and blow air, the blades of the first fan blade 22 and the second fan blade 23 can be arranged in an opposite mode.

As shown in fig. 1, the driving part 40 includes a first driving part 41. The first drive portion 41 is connected to the first scroll casing 13. The socket tongue portion 30 includes a first socket tongue 31. The first socket tongue 31 is movably connected with the first volute 13, and the first driving portion 41 can drive the first socket tongue 31 to rotate around the first fan blade 22 to the first air opening 11 and the second air opening 12. The arrangement enables the first socket tongue 31 to accurately move to the first tuyere 11 and the second tuyere 12, and improves the reliability of the first socket tongue 31.

The driving part 40 includes a second driving part 42. The second drive portion 42 is connected with the second scroll casing 14. The socket tongue portion 30 includes a second socket tongue 32. The second socket tongue 32 is movably connected with the second volute 14, and the second driving portion 42 can drive the second socket tongue 32 to rotate around the second fan blade 23 to the first wind gap 11 and the second wind gap 12. The arrangement enables the second socket tongue 32 to accurately move to the first tuyere 11 and the second tuyere 12, and improves the reliability of the second socket tongue 32. In this embodiment, the first socket tongue 31 and the second socket tongue 32 may be provided in a manner of synchronous rotation. The arrangement can shorten the time for the first socket tongue 31 and the second socket tongue 32 to move to the designated positions, and improves the practicability of the fan assembly.

As shown in fig. 2, the first socket tongue 31 includes a first socket tongue blade 311 and a first annular rotating disk 312. The first socket tongue 311 has an arc-shaped structure. The first socket tongue 311 is located within the receiving cavity. The first socket tongue blade 311 is connected with a first end of the first annular rotating disk 312, a second end of the first annular rotating disk 312 extends out of the volute 10 through the first through hole, a first annular rack 313 is arranged on the outer peripheral surface of the second end of the first annular rotating disk 312, the first driving part 41 is connected with the outer surface of the first volute 13, and a first driving gear 411 matched with the first annular rack 313 is arranged on the output shaft of the first driving part 41. The arrangement is that the first annular rotating disk 312 can be driven by the first driving gear 411 to drive the first socket tongue blade 311 to rotate to the first tuyere 11 or the second tuyere 12.

In order to make the first socket tongue blade 311 more smoothly rotate, the fan assembly is further provided with a first roller assembly 60. The first roller assembly 60 is connected to the first scroll casing 13, and the outer circumferential surface of the first annular rotating plate 312 is provided with a rolling groove engaged with the first roller assembly 60. The number of the first roller assemblies 60 is plural, and the plural first roller assemblies 60 are arranged at intervals along the circumferential direction of the first annular rotating disk 312.

Further, the second socket tongue 32 includes a second socket tongue blade 321 and a second annular rotating disk 322. The second socket tongue 321 is an arc structure, and the second socket tongue 321 is located in the containing cavity. The second socket tongue blade 321 is connected with a first end of a second annular rotating disk 322, a second end of the second annular rotating disk 322 extends out of the volute 10 through a second through hole, a second annular rack 323 is arranged on the outer peripheral surface of the second end of the second annular rotating disk 322, the second driving portion 42 is connected with the outer surface of the second volute 14, and a second driving gear 421 matched with the second annular rack 323 is arranged on the output shaft of the second driving portion 42. The arrangement is that the second annular rotating disc 322 can be driven by the second driving gear 421 to drive the second socket tongue blade 321 to rotate to the first tuyere 11 or the second tuyere 12.

In order to make the second socket tongue blade 321 more smoothly rotate, the fan assembly further includes a second roller assembly 70. The second roller assembly 70 is connected to the second scroll casing 14, and the outer circumferential surface of the second annular rotating disk 322 is provided with a rolling groove which is matched with the second roller assembly 70. The number of the second roller assemblies 70 is plural, and the plural second roller assemblies 70 are arranged at intervals along the circumferential direction of the second annular rotating disk 322.

The fan assembly in the above embodiment may also be used in the technical field of air conditioning equipment, that is, according to another aspect of the present invention, an air conditioner is provided, which includes a fan assembly, where the fan assembly is the fan assembly in the above embodiment. Specifically, the air conditioner includes a case 80. As shown in fig. 4 to 13, the housing 80 has an upper air inlet 81 and a lower air inlet 82, the fan assembly is disposed in the housing 80, the first air inlet 11 is disposed adjacent to and communicates with the upper air inlet 81, and the second air inlet 12 is disposed adjacent to and communicates with the lower air inlet 82. When the socket tongue portion 30 rotates to the second air opening 12, the centrifugal fan 20 can suck the air flow outside the casing 80 into the casing 80 through the lower air opening 82, and then discharge the air flow outside the casing 80 after passing through the first air opening 11 and the upper air opening 81 in sequence. When the socket tongue portion 30 rotates to the first air port 11, the centrifugal fan 20 can suck the air flow outside the casing 80 into the casing 80 through the upper air port 81, and then discharge the air flow outside the casing 80 after passing through the second air port 12 and the lower air port 82 in sequence. The setting can make this air conditioner have down air inlet, go up the air-out mode through the fan subassembly like this to and the air conditioner has last air inlet, air-out mode down. Specifically, when in the cooling mode, a lower air inlet mode and an upper air outlet mode can be selected, and when in the heating mode, an upper air inlet mode and a lower air outlet mode can be selected. Because the centrifugal fan is adopted in the embodiment, the airflow blown out from the upper air inlet of the air conditioner cannot be layered, and the energy of the air conditioner is effectively utilized.

In this embodiment, the side wall of the casing 80 opposite to the first through hole and the second through hole is provided with an air inlet 83, and an air door for opening or closing the air inlet 83 is disposed in the casing 80. The air inlet volume of the fan assembly can be effectively increased by the arrangement, and then the air outlet volume of the air conditioner is effectively increased.

The housing 80 has an upper cavity and a lower cavity, the fan assembly is disposed in the lower cavity, the air inlet 83 is disposed on a sidewall of the lower cavity, and the upper cavity is provided with a heat exchanger 84. This arrangement can improve the heat exchange efficiency of the heat exchanger 84 with the airflow. The heat exchanger 84 is arranged in a V-shaped configuration. The top of the air conditioner is provided with a top cover 85.

Specifically, the air conditioner adopting the structure can realize the selection of the comfortable air outlet function of the upper and lower convection, optimize the distribution of an indoor temperature field and improve the energy utilization efficiency of the air conditioner.

In the embodiment of the application, an air port is respectively arranged at the upper part and the lower part of the vertical cabinet air conditioner, the internal structure is provided with a double-suction centrifugal fan structure, the air suction and exhaust characteristics of the centrifugal fan are utilized, a rotary volute tongue structure, namely a socket tongue part, are designed, and air outlet modes of air channels with different upper and lower convection are realized through the transformation of the internal mechanism, so that the upper and lower circulation convection is realized in a cooling and heating mode, air is discharged from an upper air port and returned to a lower air port during cooling, and air is discharged from a lower air port and returned to an upper air port during. The heat can be recycled according to the characteristics of cold air and hot air, so that the running mode of the whole machine can be adjusted, and the effects of energy conservation and power conservation are achieved.

The air outlet of the existing square cabinet air conditioner is arranged at the upper end of the shell, the air outlet of the circular cabinet air conditioner is a strip outlet on the front side, the problem of poor heating comfort exists in the two shells, the circular cabinet air conditioner has discomfort caused by cold air blowing, the front side of the air conditioner has an upper air outlet and a lower air outlet, the side face of the lower end is respectively provided with an air door, and two air return modes are provided: upper return air and lower return air.

Referring to fig. 8 and 9, the difference between the two can be seen, mainly that the volute structure of the double-suction centrifugal air duct assembly is different, the internal airflow circulation mode is also different, in the lower air inlet and upper air outlet refrigeration mode, the rotating volute tongue inside the air duct is rotated to the lower end, and forms a complete volute molded line with the upper part of the air duct, the air doors on the left and right sides of the lower end are opened, air can be fed from the lower air inlet and the air doors on the two sides, then enters the double-suction centrifugal fan through the channels on the left and right sides of the air duct, under the action of the centrifugal fan, air is fed from the volute molded line upper outlet, and after heat exchange is performed through the evaporator, the airflow is. Fig. 11 shows that in the upper air inlet and lower air outlet heating mode, the rotating volute tongue inside the air duct rotates to the upper end, namely the first air inlet 11, the rotating volute tongue and the lower portion of the air duct form a complete volute profile, the air doors on both sides of the lower end are closed, when the fan is opened, air can be sucked from the upper air inlet, then after heat exchange is performed through the heat exchanger, air flow enters the centrifugal fan blades from the channels on both sides of the air duct, and is blown out from the lower outlet of the volute profile, and the air is blown to the lower air inlet of the whole machine for.

The internal structure of the air conditioner is mainly divided into a double-suction centrifugal fan, an air duct assembly, an evaporator, an upper air port, a lower air port and a top cover chassis. The air conditioner mainly relies on the change of the volute molded line structure of the double-suction centrifugal fan to realize two different modes of upper return air and lower return air, the double-suction centrifugal fan blade is divided into a left half and a right half, the middle of the double-suction centrifugal fan blade is separated, then the fan can suck air from the left side and the right side to form two air supply airflows, the evaporator is designed into a V-shaped structure formed by splicing two evaporators, the two airflows can exchange heat with the two airflows sent by the fan, the area of a heat exchanger can be enlarged, and the heat exchange efficiency of the air conditioner is improved.

The middle position of the volute is hollowed to form a yielding space, the wheel assemblies are arranged outside the volute and matched with the sliding grooves on the outer side of the rotary volute tongue, the circular sliding grooves on the outer side of the rotary volute tongue are provided with circular racks, the molded line groove position of the volute is provided with a rotating motor gear which is meshed with the circular racks for driving, the requirement of the rotary volute tongue for rotary motion in the volute is met, the molded line of the volute is changed under the driving of the driving gear, and then the function of air-out mode switching is met.

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

1. A fan assembly, comprising:

the volute comprises a volute (10), wherein a first air opening (11) and a second air opening (12) are formed in the circumferential direction of the volute (10);

a centrifugal fan (20), the centrifugal fan (20) being disposed within the volute (10);

a socket tongue portion (30), the socket tongue portion (30) being movably disposed within the volute (10);

the driving part (40) is connected with the volute (10), the driving part (40) can drive the socket tongue part (30) to rotate around the centrifugal fan (20) to the first air port (11) position and the second air port (12) position, when the socket tongue part (30) is located at one of the first air port (11) position and the second air port (12) position, the socket tongue part (30) and the inside of the volute (10) are enclosed to form a complete volute profile, and an air outlet is formed at the other one of the first air port (11) and the second air port (12).

2. The fan assembly of claim 1 wherein the volute (10) comprises:

a first volute (13), the first volute (13) having a first end and a second end,

the second volute (14) and the first volute (13) are oppositely arranged to form an accommodating cavity for accommodating the centrifugal fan (20) and the socket tongue portion (30), the first end of the second volute (14) and the first end of the first volute (13) are arranged to form the first air opening (11), the second end of the second volute (14) and the second end of the first volute (13) are arranged to form the second air opening (12), a first through hole is formed in the middle of the first volute (13), a second through hole is formed in the middle of the second volute (14), a mounting bracket (50) is arranged on the outer side of at least one of the first through hole and the second through hole, and the centrifugal fan (20) is connected with the mounting bracket (50).

3. The fan assembly according to claim 2, wherein the centrifugal fan (20) comprises:

installing a partition plate (21);

the first fan blade (22), the first fan blade (22) is connected with the installation partition plate (21);

the second fan blade (23) is connected with the mounting partition plate (21), and the second fan blade (23) is arranged opposite to the first fan blade (22);

the fan comprises a power source (24), the power source (24) is connected with the mounting bracket (50), an output shaft of the power source (24) is connected with the mounting partition plate (21), the power source (24) can drive the mounting partition plate (21) to drive the first fan blade (22) and the second fan blade (23) to rotate, and the socket tongue portion (30) is located between the centrifugal fan (20) and the volute (10).

4. The fan assembly of claim 3, wherein the drive portion (40) comprises a first drive portion (41), the first drive portion (41) being connected with the first volute (13), the socket tongue (30) comprising:

the first nest tongue (31), first nest tongue (31) with first spiral case (13) movably connects, first drive division (41) can drive first nest tongue (31) wind first fan blade (22) rotate to first wind gap (11) and second wind gap (12) department.

5. The fan assembly of claim 4 wherein the drive portion (40) comprises a second drive portion (42), the second drive portion (42) being connected with the second volute (14), the socket tongue (30) comprising:

the second socket tongue (32), the second socket tongue (32) with the second volute (14) is movably connected, and the second driving portion (42) can drive the second socket tongue (32) to rotate around the second fan blade (23) to the first air opening (11) and the second air opening (12).

6. The fan assembly according to claim 5, wherein the first socket tongue (31) and the second socket tongue (32) are arranged to rotate synchronously.

7. The fan assembly of claim 4 wherein the first socket tongue (31) comprises:

a first socket tongue blade (311), wherein the first socket tongue blade (311) is of an arc-shaped structure, and the first socket tongue blade (311) is positioned in the accommodating cavity;

the first annular rotating disk (312), the first socket tongue leaf (311) is connected with the first end of the first annular rotating disk (312), the second end of the first annular rotating disk (312) extends to the outside of the volute (10) through the first through hole, a first annular rack (313) is arranged on the outer peripheral surface of the second end of the first annular rotating disk (312), the first driving portion (41) is connected with the outer surface of the first volute (13), and a first driving gear (411) matched with the first annular rack (313) is arranged on the output shaft of the first driving portion (41).

8. The fan assembly of claim 7, further comprising:

the first rolling wheel assembly (60) is connected with the first volute (13), and a rolling groove matched with the first rolling wheel assembly (60) is formed in the outer peripheral surface of the first annular rotating disc (312).

9. The fan assembly of claim 5 wherein the second socket tongue (32) comprises:

the second socket tongue blade (321), the second socket tongue blade (321) is an arc-shaped structure, and the second socket tongue blade (321) is positioned in the containing cavity;

the second annular rotating disc (322), the second socket tongue blade (321) is connected with the first end of the second annular rotating disc (322), the second end of the second annular rotating disc (322) extends out of the volute (10) through the second through hole, a second annular rack (323) is arranged on the outer peripheral surface of the second end of the second annular rotating disc (322), the second driving portion (42) is connected with the outer surface of the second volute (14), and a second driving gear (421) matched with the second annular rack (323) is arranged on the output shaft of the second driving portion (42).

10. The fan assembly of claim 9, further comprising:

the second roller assembly (70), the second roller assembly (70) is connected with the second volute (14), and the outer peripheral surface of the second annular rotating disk (322) is provided with a rolling groove matched with the second roller assembly (70).

11. An air conditioner comprising a fan assembly, wherein the fan assembly is as claimed in any one of claims 1 to 10.

12. The air conditioner according to claim 11, wherein the air conditioner comprises:

the fan assembly comprises a shell (80), wherein the shell (80) is provided with an upper air inlet (81) and a lower air inlet (82), the fan assembly is arranged in the shell (80), the first air inlet (11) is arranged and communicated close to the upper air inlet (81), and the second air inlet (12) is arranged and communicated close to the lower air inlet (82);

when the socket tongue part (30) rotates to the second air port (12), the centrifugal fan (20) can suck the air flow outside the shell (80) into the shell (80) through the lower air port (82), then sequentially pass through the first air port (11) and the upper air port (81) and then discharge the air flow out of the shell (80), and when the socket tongue part (30) rotates to the first air port (11), the centrifugal fan (20) can suck the air flow outside the shell (80) into the shell (80) through the upper air port (81), then sequentially pass through the second air port (12) and the lower air port (82) and then discharge the air flow out of the shell (80).

13. The air conditioner according to claim 12, wherein an air inlet (83) is formed in a side wall of the housing (80) opposite to the first through hole and the second through hole, and a damper for opening or closing the air inlet (83) is provided in the housing (80).

14. The air conditioner according to claim 13, wherein the housing (80) has an upper cavity and a lower cavity, the fan assembly is disposed in the lower cavity, the air inlet (83) is opened on a sidewall of the lower cavity, a heat exchanger (84) is disposed in the upper cavity, and the heat exchanger (84) is disposed in a V-shaped configuration.