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CN-224230237-U - Fan subassembly, new trend module and air conditioning equipment

CN224230237UCN 224230237 UCN224230237 UCN 224230237UCN-224230237-U

Abstract

The application provides a fan assembly, a fresh air module and air conditioning equipment. The fan assembly comprises an impeller and two spiral cases, wherein the two spiral cases are oppositely arranged and are surrounded to form an air channel with an air outlet, the impeller is arranged in the air channel, one side of each spiral case, which is away from the other spiral case, is provided with a mixing air shell, a mixing air cavity is formed in the mixing air shell, the mixing air shell is provided with a first air inlet, a second air inlet and a mixing air outlet, the first air inlet and the second air inlet are both communicated with the mixing air cavity, and the mixing air outlet is communicated with the mixing air cavity and the air channel. According to the application, two air flows with different temperatures can enter the air mixing cavity from the first air inlet and the second air inlet of the air mixing cavity respectively, and after primary mixing is carried out in the air mixing cavity, the air flows enter the impeller in the air duct for secondary mixing, so that the two air flows can be fully mixed, and the uniformity of the air supply temperature is improved.

Inventors

  • LI JINYANG
  • DONG JINZE
  • XIONG JUN
  • GAO XU
  • WANG ZITAO

Assignees

  • TCL空调器(中山)有限公司

Dates

Publication Date
20260512
Application Date
20250424

Claims (10)

  1. 1. A fan assembly is characterized in that the fan assembly (100) comprises an impeller (110) and two spiral cases (120), the two spiral cases (120) are oppositely arranged and are surrounded to form an air duct (121) with an air outlet (122), the impeller (110) is arranged in the air duct (121), one side, deviating from the other spiral case (120), of each spiral case (120) is provided with a mixing air shell (130), a mixing air cavity (131) is formed in the mixing air shell (130), a first air inlet (132), a second air inlet (133) and a mixing air outlet (134) are formed in the mixing air shell (130), the first air inlet (132) and the second air inlet (133) are communicated with the mixing air cavity (131), and the mixing air outlet (134) is communicated with the mixing air cavity (131) and the air duct (121).
  2. 2. The fan assembly according to claim 1, wherein the second air inlet (133) is provided at a side of the mixing housing (130) facing away from the volute (120).
  3. 3. The fan assembly according to claim 2, wherein the air mixing chamber (131) includes a constant chamber (1311) and a gradual chamber (1312) disposed in order along an axial direction of the scroll casing (120), and the constant chamber (1311) is closer to the scroll casing (120) than the gradual chamber (1312), and the gradual chamber (1312) gradually expands along the axial direction of the scroll casing (120) toward the constant chamber (1311).
  4. 4. A fan assembly according to any one of claims 1-3, wherein the air mixing shell (130) is provided with an air inlet grille (140) at the second air inlet (133).
  5. 5. The fan assembly according to claim 4, wherein the air inlet grille (140) comprises a central plate (141), an annular plate (142), a plurality of first connecting strips (143) and a plurality of second connecting strips (144), the central plate (141) is located in the middle of the second air inlet (133), the annular plate (142) is arranged around the periphery of the central plate (141), the inner side surface of the annular plate (142) is connected with the side surface of the central plate (141) through the plurality of first connecting strips (143), and the outer side surface of the annular plate (142) is connected with the inner wall surface of the second air inlet (133) through the plurality of second connecting strips (144).
  6. 6. The fan assembly according to claim 5, wherein the center plate (141) is a circular plate, the annular plate (142) is a circular plate, the plurality of first connection bars (143) are uniformly arranged along a circumferential direction of the circular plate, and the plurality of second connection bars (144) are uniformly arranged along the circumferential direction of the circular plate.
  7. 7. The fan assembly according to claim 1, wherein the air mixing shell (130) comprises a plurality of air mixing cavities (131), the plurality of air mixing cavities (131) are sequentially arranged along the axial direction of the volute (120) and are sequentially communicated, the first air inlet (132) and the second air inlet (133) are both communicated with the outermost air mixing cavity (131), and the air mixing outlet (134) is communicated with the innermost air mixing cavity (131); And/or an air valve is arranged at the second air inlet (133), and the air valve is used for adjusting the opening and closing size of the second air inlet (133).
  8. 8. The fan assembly according to claim 1, wherein the first air inlet (132) is disposed at one end of the air mixing shell (130) along the radial direction of the volute (120), and the first air inlets (132) on two air mixing shells (130) face the same side of the fan assembly (100).
  9. 9. The fresh air module is characterized by comprising an air inlet box (200) and the fan assembly (100) according to any one of claims 1-8, wherein a fresh air cavity (201) is formed in the air inlet box (200), a fresh air inlet (202) and a fresh air outlet (203) which are communicated with the fresh air cavity (201) are arranged on the air inlet box (200), and the fresh air outlet (203) is communicated with first air inlets (132) of two air mixing shells (130).
  10. 10. An air conditioning apparatus, characterized in that it comprises the fresh air module of claim 9.

Description

Fan subassembly, new trend module and air conditioning equipment Technical Field The application belongs to the technical field of air conditioning, and particularly relates to a fan assembly, a fresh air module and air conditioning equipment. Background The air conditioning equipment is a device or a system for adjusting parameters such as temperature, humidity, cleanliness, flow speed and the like of air through manual means, and a plurality of air conditioning equipment are provided with a fresh air module which can mix outdoor fresh air with indoor return air by utilizing a centrifugal fan so as to improve air quality. In order to improve the air quantity, the existing fresh air module generally adopts a double-air-inlet centrifugal fan, and indoor return air can enter the centrifugal fan from two sides of the double-air-inlet centrifugal fan so as to be mixed with outdoor fresh air. However, the existing double-air-inlet centrifugal fan has the defects that after outdoor fresh air and indoor return air enter the centrifugal fan, the outdoor fresh air and the indoor return air are not fully mixed, so that the air supply temperature is uneven, and the comfort level of a user is affected. Disclosure of utility model The embodiment of the application provides a fan assembly, a fresh air module and air conditioning equipment, which are used for solving the problem of insufficient air flow mixing of the existing double-air-inlet centrifugal fan. In a first aspect, an embodiment of the present application provides a fan assembly, where the fan assembly includes an impeller and two volutes, the two volutes are oppositely disposed and enclose to form an air duct with an air outlet, the impeller is disposed in the air duct, a wind mixing shell is disposed on one side of each volute, which faces away from the other volute, and a wind mixing cavity is formed in the wind mixing shell, a first air inlet, a second air inlet and a wind mixing outlet are disposed on the wind mixing shell, the first air inlet and the second air inlet are both communicated with the wind mixing cavity, and the wind mixing outlet is communicated with the wind mixing cavity and the air duct. Optionally, the second air inlet is disposed at a side of the air mixing shell away from the volute. Optionally, the air mixing cavity includes a constant cavity and a gradual change cavity that are sequentially arranged along an axial direction of the volute, and the constant cavity is closer to the volute than the gradual change cavity, and the gradual change cavity gradually expands along the axial direction of the volute towards a direction close to the constant cavity. Optionally, the air mixing shell is provided with an air inlet grille at the second air inlet. Optionally, the air inlet grille comprises a central plate, an annular plate, a plurality of first connecting strips and a plurality of second connecting strips, wherein the central plate is positioned in the middle of the second air inlet, the annular plate is arranged around the periphery of the central plate, the inner side surface of the annular plate is connected with the side surface of the central plate through the plurality of first connecting strips, and the outer side surface of the annular plate is connected with the inner wall surface of the second air inlet through the plurality of second connecting strips. Optionally, the center plate is the circular plate, the annular plate is the annular plate, a plurality of first connecting strip is followed the circumference of circular plate evenly arranges, a plurality of second connecting strip is followed the circumference of annular plate evenly arranges. Optionally, the air mixing shell comprises a plurality of air mixing cavities, the air mixing cavities are sequentially arranged along the axial direction of the volute and are sequentially communicated, the first air inlet and the second air inlet are both communicated with the outermost air mixing cavity, the air mixing outlet is communicated with the innermost air mixing cavity, and/or an air valve is arranged at the second air inlet and used for adjusting the opening and closing size of the second air inlet. Optionally, the first air inlet is disposed at one end of the air mixing shell along the radial direction of the volute, and the first air inlets on the two air mixing shells face the same side of the fan assembly. In a second aspect, an embodiment of the present application further provides a fresh air module, where the fresh air module includes an air inlet box and the fan assembly described above, the air inlet box is formed with a fresh air cavity, the air inlet box is provided with a fresh air inlet and a fresh air outlet, which are communicated with the fresh air cavity, and the fresh air outlet is communicated with the first air inlets of the two air mixing shells. In a third aspect, an embodiment of the present application further provides an air conditioning apparat