CN112762512A - Sterilizing device and air conditioner indoor unit - Google Patents

Abstract

The invention provides a sterilizing device and an air conditioner indoor unit. Sterilizing equipment is used for installing on the air conditioning indoor set, and sterilizing equipment includes: a sterilization module including a UV-LED light source; the lens is arranged at intervals with the sterilization module and is arranged opposite to the light-emitting end of the UV-LED light source so that light rays emitted by the UV-LED light source are emitted out in parallel after passing through the lens; wherein, the parallel light is obliquely arranged with the air inlet direction of the indoor unit of the air conditioner. The sterilization device solves the problem that the sterilization effect of the sterilization device in the prior art is general.

Description

Sterilizing device and air conditioner indoor unit

Technical Field

The invention relates to the field of air conditioning equipment, in particular to a sterilizing device and an air conditioner indoor unit.

Background

With the development of modern life, the quality of life of people is higher and higher, and people attach more and more importance to indoor air quality, except for the harmful and toxic substances such as the common PM2.5 particle pollutant, TVOC gas pollutant, formaldehyde, etc., a large class is often ignored by people, that is to say, the bacterium is everywhere, and our daily household appliances such as: the refrigerator, the washing machine, the air conditioner and the like are easy to breed bacteria for a long time, so that the health of people is directly influenced.

The production process of the deep ultraviolet LED is mature day by day, and the cost of the device gradually meets the civil requirement. Because the UV-LED has the technical advantages of small volume, high luminous power efficiency, no ozone generation and the like, the UV-LED is gradually popularized and used in the fields of water purification sterilization, object surface sterilization, air sterilization and the like.

The air conditioner with the ultraviolet sterilization device is provided in the prior art, the ultraviolet sterilization device is arranged in a group of brackets, the brackets are arranged in an evaporator, and the ultraviolet LED sterilization device irradiates the evaporator. In addition, the ultraviolet sterilization module is assembled in the windward direction, and the module can shield the air inlet, so that the air quantity flowing through the ultraviolet irradiation area is very small, and the sterilization effect is general.

Disclosure of Invention

The invention mainly aims to provide a sterilizing device and an air conditioner indoor unit, and aims to solve the problem that the sterilizing device in the prior art has a common sterilizing effect.

In order to achieve the above object, according to one aspect of the present invention, there is provided a sterilizing apparatus for installation in an indoor unit of an air conditioner, the sterilizing apparatus including: a sterilization module including a UV-LED light source; the lens is arranged at intervals with the sterilization module and is arranged opposite to the light-emitting end of the UV-LED light source so that light rays emitted by the UV-LED light source are emitted out in parallel after passing through the lens; wherein, the parallel light is obliquely arranged with the air inlet direction of the indoor unit of the air conditioner.

Further, the lens is a convex lens.

Further, the sterilization module further includes: the shell is used for being installed on the air conditioner indoor unit, a containing groove is formed in the shell, and the UV-LED light source is arranged in the containing groove.

Further, the sterilization module further includes: the light-transmitting protection piece is connected with the shell, the light-transmitting protection piece covers the notch of the accommodating groove, and the light-transmitting protection piece is arranged opposite to the light-emitting end of the UV-LED light source so that light rays emitted by the UV-LED light source can be emitted out of the sterilization module through the light-transmitting protection piece; wherein the light-transmitting shield is made of quartz glass.

Further, the sterilization module further includes: the LED lamp panel comprises an aluminum-based circuit board and a UV-LED light source, the aluminum-based circuit board is connected with the shell and arranged in the accommodating groove, and the UV-LED light source is arranged on the aluminum-based circuit board.

According to another aspect of the present invention, an indoor unit of an air conditioner is provided, which includes a sterilization device, wherein the sterilization device is the above sterilization device.

Furthermore, the light emitting end of the UV-LED light source of the sterilizing device faces the air inlet channel of the indoor unit of the air conditioner, so that parallel light rays emitted by the lens of the sterilizing device are perpendicular to the air inlet direction of the indoor unit of the air conditioner.

Furthermore, the air-conditioning indoor unit further comprises an air inlet support and an evaporator, the air inlet support is provided with an air inlet, and the sterilizing device is arranged on the air inlet support and is positioned between the air inlet and the evaporator.

Further, the sterilizing devices are arranged in pairs, and the light emitting ends of the UV-LED light sources of the sterilizing devices arranged in pairs are opposite to each other.

Further, be provided with a plurality of pairs of sterilizing equipment that set up in pairs on the air inlet support, a plurality of pairs of sterilizing equipment that set up in pairs set up along its extending direction interval that launches parallel light.

The sterilization device is used for being installed on an air-conditioning indoor unit and is used for sterilizing air entering the air-conditioning indoor unit. The sterilizing device comprises a sterilizing module and a lens, wherein the lens is arranged right in front of a light emitting end of a UV-LED light source of the sterilizing module, light rays emitted by the UV-LED light source are irradiated in the lens, the lens can convert fan-shaped incident light rays into parallel light rays, and the parallel light rays are obliquely arranged with the air inlet direction of an indoor unit of the air conditioner, so that even if all ultraviolet energy is not diffused to the periphery of the air conditioner or irradiated into an injection molding part due to a light emitting angle, on one hand, the waste of ultraviolet light is avoided, the ultraviolet light is concentrated in the parallel light rays, an ultraviolet light irradiation area is enlarged, and more air volume is irradiated by the parallel ultraviolet light, thereby improving; on the one hand, ultraviolet light cannot be leaked to the periphery of the air conditioner, so that the ultraviolet light leakage influences users, and the ultraviolet light cannot be irradiated to peripheral injection molding parts in a large quantity to cause yellowing or brittleness of the injection molding parts.

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 shows a schematic structural view of an embodiment of a sterilization device according to the present invention;

fig. 2 shows a schematic structural view of a sterilization module of the sterilization apparatus according to the present invention;

fig. 3 is a schematic view showing the relationship between the air flow of the indoor unit of an air conditioner and the optical path of the sterilizing device according to the present invention;

fig. 4 shows a schematic view of the construction of an air conditioning indoor unit according to the present invention.

Wherein the figures include the following reference numerals:

10. a sterilization module; 11. a UV-LED light source; 12. a housing; 121. accommodating grooves; 122. mounting holes; 13. a light transmissive protective member; 20. a lens;

1. a sterilizing device; 2. an air inlet bracket; 21. and an air inlet.

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 should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

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.

The present invention provides a sterilization device, please refer to fig. 1 to 3, for being installed on an indoor unit of an air conditioner, the sterilization device includes: a sterilization module 10 including a UV-LED light source 11; the lens 20 is arranged at intervals with the sterilization module 10, and the lens 20 is arranged opposite to the light-emitting end of the UV-LED light source 11 so that light rays emitted by the UV-LED light source 11 are emitted in parallel after passing through the lens 20; wherein, the parallel light is obliquely arranged with the air inlet direction of the indoor unit of the air conditioner.

The sterilization device is used for being installed on an air-conditioning indoor unit and is used for sterilizing air entering the air-conditioning indoor unit. The sterilizing device comprises a sterilizing module 10 and a lens 20, wherein the lens 20 is arranged right ahead of a light emitting end of a UV-LED light source 11 of the sterilizing module 10, light rays emitted by the UV-LED light source 11 are irradiated in the lens 20, the lens 20 can convert fan-shaped incident light rays into parallel light rays, and the parallel light rays are obliquely arranged with the air inlet direction of an indoor unit of the air conditioner, so that even if all ultraviolet energy is not diffused to the periphery of the air conditioner or irradiated into an injection molding part due to a light emitting angle, on one hand, the waste of ultraviolet light is avoided, the ultraviolet light is concentrated in the parallel light rays, an ultraviolet light irradiation area is enlarged, more air volume is irradiated by the parallel ultraviolet light rays, and the sterilizing; on the one hand, ultraviolet light cannot be leaked to the periphery of the air conditioner, so that the ultraviolet light leakage influences users, and the ultraviolet light cannot be irradiated to peripheral injection molding parts in a large quantity to cause yellowing or brittleness of the injection molding parts.

The UV-LED light source is an ultraviolet light emitting diode, and the UV-LED light source is called UV-LED light source in English.

In particular, the UV-LED light source 11 is a UVC-LED light source, also called shortwave violet light or germicidal violet light, the wavelength of UVC being between 200nm and 280 nm.

Specifically, the power of the UVC-LED light source is 50-100 mW, the wavelength is 260-280 nm, and the light-emitting angle is in the range of 80-150 degrees.

In the present embodiment, the lens 20 is a convex lens. The convex lens has a radius of curvature just enough to convert the fan-shaped incident light into parallel light.

Specifically, the convex lens is made of quartz glass. The arrangement is such that the ultraviolet transmittance is above 90%.

In this embodiment, the sterilization module 10 further includes: the housing 12, the housing 12 is provided with a receiving groove 121, and the UV-LED light source 11 is disposed in the receiving groove 121.

In this embodiment, the sterilization module 10 further includes: a light-transmitting protection member 13 connected to the housing 12, wherein the light-transmitting protection member 13 covers the notch of the accommodating groove 121, and the light-transmitting protection member 13 is disposed opposite to the light-emitting end of the UV-LED light source 11, so that the light emitted from the UV-LED light source 11 passes through the light-transmitting protection member 13 and exits the sterilization module 10; wherein the light-transmitting shield 13 is made of quartz glass. The light-transmitting protection piece 13 can protect the UV-LED light source 11 from being damaged by moisture or dust; the quartz glass has strong ultraviolet penetration capacity, the 270nm ultraviolet penetration rate of the quartz glass is more than 90%, and the quartz glass is plane glass.

In the embodiment, the outer casing 12 is provided with a mounting hole 122, and the outer casing 12 is connected with the indoor unit of the air conditioner through a fastener penetrating through the mounting hole 122 and a fastening hole of the indoor unit of the air conditioner; or, a buckle is arranged on the casing 12, and the casing 12 is clamped with the indoor unit of the air conditioner through the buckle. The arrangement is convenient for fixing the shell 12, and realizes the connection of the shell 12 and the air inlet bracket 2 of the indoor unit of the air conditioner.

In this embodiment, the lens 20 is connected to the inlet bracket 2 of the indoor unit of the air conditioner via a lens mounting portion. The arrangement realizes the installation of the lens 20, and the lens installation part can be connected with the air inlet bracket 2 through a screw and a buckle.

In this embodiment, the sterilization module 10 further includes: the LED lamp panel comprises an aluminum-based circuit board and a UV-LED light source 11, wherein the aluminum-based circuit board is connected with the shell 12 and is arranged in the accommodating groove 121, and the UV-LED light source 11 is arranged on the aluminum-based circuit board. The arrangement of the aluminum-based circuit board is more beneficial to the heat dissipation of the UV-LED light source, and the effective heat dissipation is more beneficial to the UV-LED light source to keep long service life and maintain high optical power output for a long time.

Specifically, the UV-LED light source 11 includes a plurality of lamp beads, and supplies power to the plurality of lamp beads in a serial connection manner.

The present invention further provides an air-conditioning indoor unit, please refer to fig. 1 to 4, including a sterilization device 1, wherein the sterilization device 1 is the sterilization device in the above embodiment.

In this embodiment, the light emitting end of the UV-LED light source 11 of the sterilization device 1 is disposed toward the air inlet channel of the indoor unit of the air conditioner, so that the parallel light emitted through the lens 20 of the sterilization device 1 is perpendicular to the air inlet direction of the indoor unit of the air conditioner. As shown in fig. 3, the air flow enters from the air inlet 21 and passes through the parallel light rays, the bacteria in the air flow are killed, and the cross-sectional area of the light path (the distance of the air passing through the parallel light rays) is at least 5cm, so that enough time is provided for the bacteria to receive ultraviolet light particles, and then the bacteria are killed.

Wherein, the air inlet direction of the indoor unit of the air conditioner is also the air inlet direction in the air inlet channel.

In this embodiment, the indoor unit of the air conditioner further includes an air inlet support 2 and an evaporator, the air inlet support 2 has an air inlet 21, and the sterilization device 1 is disposed on the air inlet support 2 and located between the air inlet 21 and the evaporator.

In the present embodiment, the sterilization apparatuses 1 are provided in pairs, and the light emitting ends of the UV-LED light sources 11 of the sterilization apparatuses 1 provided in pairs are disposed opposite to each other. Because the ultraviolet light belongs to the shortwave, the farther light intensity attenuates easily, through two liang of modes of correlation each other, the regional single light intensity of interlude is more weak, but two sets of whole light intensity promotion of superposing each other to each region all has stronger ultraviolet light in the realization transverse light path.

In this embodiment, be provided with a plurality of pairs of sterilizing equipment 1 that set up in pairs on the air inlet support 2, a plurality of pairs of sterilizing equipment 1 that set up in pairs set up along its extending direction interval of the parallel light of launching. Such an arrangement improves the sterilization effect.

In one embodiment, two pairs of paired sterilizing devices 1 are arranged in the indoor unit of the air conditioner.

In another embodiment, a pair of paired sterilizing devices 1 is arranged in the indoor unit of the air conditioner, which can reduce the cost on the basis of ensuring the sterilizing effect.

During specific implementation, the ultraviolet rays emitted by the UV-LED light source 11 realize air sterilization in the air conditioner, the effect is the comprehensive result of biosensitics, air fluid and ultraviolet light optics, and the specific detailed design directly influences the ultraviolet light sterilization effect. The not good problem of bactericidal effect has been solved to the sterilizing equipment of this application.

The beneficial effect of this application: the ultraviolet irradiation area is enlarged, more air volume is irradiated by the ultraviolet irradiation, and therefore the sterilization rate is improved.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

the sterilization device is used for being installed on an air-conditioning indoor unit and is used for sterilizing air entering the air-conditioning indoor unit. The sterilizing device comprises a sterilizing module 10 and a lens 20, wherein the lens 20 is arranged right ahead of a light emitting end of a UV-LED light source 11 of the sterilizing module 10, light rays emitted by the UV-LED light source 11 are irradiated in the lens 20, the lens 20 can convert fan-shaped incident light rays into parallel light rays, and the parallel light rays are obliquely arranged with the air inlet direction of an indoor unit of the air conditioner, so that even if all ultraviolet energy is not diffused to the periphery of the air conditioner or irradiated into an injection molding part due to a light emitting angle, on one hand, the waste of ultraviolet light is avoided, the ultraviolet light is concentrated in the parallel light rays, an ultraviolet light irradiation area is enlarged, more air volume is irradiated by the parallel ultraviolet light rays, and the sterilizing; on the one hand, ultraviolet light cannot be leaked to the periphery of the air conditioner, so that the ultraviolet light leakage influences users, and the ultraviolet light cannot be irradiated to peripheral injection molding parts in a large quantity to cause yellowing or brittleness of the injection molding parts.

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 data so used is 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.

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.

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 (10)

1. A sterilization device, for installing on an indoor unit of an air conditioner, comprising:

a sterilization module (10) comprising a UV-LED light source (11);

the lens (20) is arranged at an interval with the sterilization module (10), and the lens (20) is arranged opposite to the light emitting end of the UV-LED light source (11) so that light rays emitted by the UV-LED light source (11) are emitted in parallel after passing through the lens (20);

the parallel light and the air inlet direction of the indoor unit of the air conditioner are obliquely arranged.

2. A sterilisation apparatus according to claim 1, wherein said lens (20) is a convex lens.

3. Sterilisation apparatus according to claim 1, wherein said sterilisation module (10) further comprises:

the air conditioner indoor unit comprises an outer shell (12) and is used for being installed on the air conditioner indoor unit, an accommodating groove (121) is formed in the outer shell (12), and the UV-LED light source (11) is arranged in the accommodating groove (121).

4. A sterilisation apparatus as claimed in claim 3, characterised in that said sterilisation module (10) further comprises:

a light-transmitting protection piece (13) connected with the housing (12), wherein the light-transmitting protection piece (13) covers the notch of the accommodating groove (121), and the light-transmitting protection piece (13) is arranged opposite to the light-emitting end of the UV-LED light source (11) so that the light emitted by the UV-LED light source (11) passes through the light-transmitting protection piece (13) and is emitted out of the sterilization module (10);

wherein the light-transmitting shield (13) is made of quartz glass.

5. A sterilisation apparatus as claimed in claim 3, characterised in that said sterilisation module (10) further comprises:

the LED lamp panel, including aluminium base circuit board with UV-LED light source (11), aluminium base circuit board with shell (12) are connected and are set up in holding tank (121), UV-LED light source (11) set up on the aluminium base circuit board.

6. An air-conditioning indoor unit comprising a sterilizing device (1), characterized in that said sterilizing device (1) is a sterilizing device according to any one of claims 1 to 5.

7. The indoor unit of air conditioner according to claim 6, wherein the light emitting end of the UV-LED light source (11) of the sterilizing device (1) is arranged towards the air inlet channel of the indoor unit of air conditioner, so that the parallel light rays emitted through the lens (20) of the sterilizing device (1) are perpendicular to the air inlet direction of the indoor unit of air conditioner.

8. The indoor unit of claim 6, further comprising an air intake bracket (2) and an evaporator, wherein the air intake bracket (2) has an air intake (21), and the sterilization device (1) is disposed on the air intake bracket (2) and between the air intake (21) and the evaporator.

9. The indoor unit of air conditioner according to claim 8, wherein the sterilizing device (1) is provided in pairs, and the light emitting ends of the UV-LED light sources (11) of the sterilizing device (1) provided in pairs are arranged opposite to each other.

10. The indoor unit of air conditioner as claimed in claim 9, wherein the air intake frame (2) is provided with a plurality of pairs of the sterilizing devices (1) arranged in pairs, and the plurality of pairs of the sterilizing devices (1) arranged in pairs are arranged at intervals along the extending direction of the parallel light emitted therefrom.

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