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CN-122015193-A - Indoor unit of air conditioner

CN122015193ACN 122015193 ACN122015193 ACN 122015193ACN-122015193-A

Abstract

The invention discloses an indoor unit of an air conditioner, which comprises a casing, a fan assembly, an indoor heat exchanger, a photocatalysis assembly and a filter screen, wherein an air inlet and an air outlet which are mutually spaced are arranged on the casing, the fan assembly is arranged in the casing, the indoor heat exchanger is arranged in the casing, the photocatalysis assembly comprises a light source and a filter screen, the light source is used for emitting ultraviolet light and infrared light, the filter screen is arc-shaped, the light source is positioned in a concave surface of the filter screen, a first curved surface and a second curved surface are formed on the filter screen, the first curved surface is a concave surface of the filter screen, and the second curved surface is a convex surface of the filter screen. Wherein, infrared light and second curved surface produce photo-thermal reaction, not only realize the sterilization of second curved surface, can also improve the catalytic reaction efficiency that ultraviolet light and first curved surface produced, make up the short defect of ultraviolet light propagation distance, strengthen catalytic effect.

Inventors

  • WANG XINYAO
  • WEN BO
  • CHANG XUESONG
  • YE YUQING
  • DONG WEILI

Assignees

  • 海信空调有限公司

Dates

Publication Date
20260512
Application Date
20241111

Claims (11)

  1. 1. An indoor unit of an air conditioner, comprising: the shell is provided with an air inlet and an air outlet which are mutually spaced; The fan assembly is arranged in the shell; the indoor heat exchanger is arranged in the shell and is used for exchanging heat for indoor air entering the shell; A photocatalytic assembly disposed within the housing; characterized in that the photocatalytic assembly comprises: a light source for emitting ultraviolet light and infrared light; the filter screen is arc-shaped, the light source is positioned in the concave surface of the filter screen, a first curved surface and a second curved surface are formed on the filter screen, the first curved surface is the concave surface of the filter screen, and the second curved surface is the convex surface of the filter screen; when the ultraviolet light irradiates the first curved surface, the ultraviolet light can perform catalytic reaction with the first curved surface; when the infrared light irradiates the second curved surface, the infrared light can generate photo-thermal reaction with the second curved surface.
  2. 2. The indoor unit of claim 1, wherein the light source comprises: The first lamp beads are arranged on one side, away from the second curved surface, of the first curved surface, and are used for emitting ultraviolet light; The second lamp beads are arranged at intervals along the first direction, and the second lamp beads are used for emitting infrared light.
  3. 3. The indoor unit of claim 2, wherein the plurality of first beads are arranged at intervals along a first direction, and The second lamp pearl is a plurality of, and a plurality of second lamp pearls are along first direction interval setting.
  4. 4. The indoor unit of claim 1, wherein the first curved surface is coated with a first medium, the ultraviolet light is catalytically reactive with the first medium, and And a second medium is coated on the second curved surface, and the infrared light can perform photo-thermal reaction with the second medium.
  5. 5. The indoor unit of claim 1, wherein the aperture ratio of the filter screen is a, and a satisfies the relation a is 40% to 95%.
  6. 6. The indoor unit of claim 1, wherein the photocatalytic assembly further comprises a support frame comprising: The base is fixed at the air inlet, and the light source is arranged on the base; The framework, the one end of framework is fixed in on the base and the other end detachably is fixed in on the base, the framework with be formed with between the base and press from both sides and set up the space, the filter screen set up in press from both sides and set up in the space.
  7. 7. An indoor unit of an air conditioner according to claim 1, wherein the photocatalytic assembly is provided at the air inlet and/or the air outlet.
  8. 8. An indoor unit of an air conditioner, comprising: The shell is provided with an air inlet and an air outlet which are mutually spaced; The fan assembly is arranged in the shell; the indoor heat exchanger is arranged in the shell and is used for exchanging heat of indoor air entering the shell; The photocatalytic component is arranged in the shell; characterized in that the photocatalytic assembly comprises: a light source for emitting ultraviolet light and infrared light; the filter screen is arc-shaped, the light source is positioned in the concave surface of the filter screen, a first curved surface and a second curved surface are formed on the filter screen, the first curved surface is the concave surface of the filter screen, and the second curved surface is the convex surface of the filter screen; wherein the curvatures of the first curved surface and the second curved surface are different.
  9. 9. The indoor unit of claim 8, wherein the second curved surface has a curvature greater than a curvature of the first curved surface.
  10. 10. The indoor unit of claim 9, wherein a cross section of the second curved surface along the first direction is an elliptical arc centered on the light source.
  11. 11. The indoor unit of claim 10, wherein the eccentricity of the elliptical arc is B, and B satisfies the relationship 0.1-0.8.

Description

Indoor unit of air conditioner Technical Field The invention relates to the technical field of air conditioners, in particular to an indoor unit of an air conditioner. Background The indoor unit of the air conditioner comprises a fan assembly, an indoor heat exchanger and the like, and the indoor heat exchanger exchanges heat with air sucked by the fan assembly and then outputs air-conditioning air to the indoor through the fan assembly so as to adjust the indoor temperature. In order to keep a clean air environment, the air conditioner indoor unit is provided with a photocatalysis assembly at the air inlet, and air entering the air conditioner indoor unit is sterilized and purified by the photocatalysis assembly and then continuously flows in the indoor air duct, so that indoor air conditioning is realized. The light source in the photocatalysis assembly irradiates on the filter screen, the filter screen is loaded with catalytic active materials, and the catalytic active materials on the filter screen can purify air after being activated by the light source. In the related art, the photocatalysis assembly is provided with a plurality of lamp beads in a linear combination mode and a shielding member, the energy of the light source is overlapped, the irradiation area and the local irradiation power are increased, and the leaked light is absorbed by the shielding member. The photocatalytic component improves certain purifying capacity, but the number of the lamp beads is increased, the energy utilization rate of a single lamp bead is basically low, wind resistance is additionally increased, and the air supply/heat exchange efficiency and the purifying effect of the air conditioner are affected. Disclosure of Invention The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the indoor unit of the air conditioner, wherein infrared light and the second curved surface generate photo-thermal reaction, so that the catalytic reaction efficiency of ultraviolet light and the first curved surface is improved, the defect of short ultraviolet light propagation distance is overcome, the catalytic effect is enhanced, and the energy utilization rate of a light source is improved. The indoor unit of the air conditioner comprises a shell, an indoor heat exchanger, a photocatalysis assembly and a filter screen, wherein the shell is provided with an air inlet and an air outlet which are mutually spaced, the fan assembly is arranged in the shell, the indoor heat exchanger is arranged in the shell and is used for exchanging heat with indoor air entering the shell, the photocatalysis assembly is arranged in the shell and comprises a light source and a filter screen, the filter screen is arc-shaped, the light source is positioned in a concave surface of the filter screen, a first curved surface and a second curved surface are formed on the filter screen, the first curved surface is a concave surface of the filter screen, the second curved surface is a convex surface of the filter screen, when the ultraviolet light irradiates the first curved surface, the ultraviolet light can perform catalytic reaction with the first curved surface, and when the infrared light irradiates the second curved surface, the infrared light can perform photothermal reaction with the second curved surface. According to the indoor unit of the air conditioner, disclosed by the embodiment of the invention, the infrared light and the second curved surface generate photo-thermal reaction, so that the sterilization of the surface of the second curved surface is realized, the catalytic reaction efficiency generated by ultraviolet light and the first curved surface can be improved, the defect of short ultraviolet light propagation distance is overcome, and the catalytic effect is enhanced. According to some embodiments of the invention, the light source comprises a first lamp bead arranged on one side of the first curved surface, which is away from the second curved surface, wherein the first lamp bead is used for emitting ultraviolet light, and a second lamp bead which is arranged at intervals along a first direction and is used for emitting infrared light. According to some embodiments of the invention, the first beads are a plurality of the first beads and the second beads are a plurality of the second beads and the second beads are arranged at intervals along the first direction. According to some embodiments of the invention, the first curved surface is coated with a first medium, the ultraviolet light can be subjected to catalytic reaction with the second medium, and the second curved surface is coated with a second medium, and the infrared light can be subjected to photo-thermal reaction with the second medium. According to some embodiments of the invention, the aperture ratio of the filter screen is A, and A satisfies the relation that A is more than or equal to 40% and less tha