WO2018210140A1

WO2018210140A1 - Laundry processing apparatus

Info

Publication number: WO2018210140A1
Application number: PCT/CN2018/085653
Authority: WO
Inventors: 赵东晶
Original assignee: 赵东晶
Priority date: 2017-05-15
Filing date: 2018-05-04
Publication date: 2018-11-22

Abstract

A laundry processing apparatus (100), comprising: a machine (10), the machine (10) having an outer tub (11) and an inner tub (12) disposed in the outer tub (11) and capable of rotating relative to the outer tub (11), the inner tub (12) defining a laundry accommodation chamber (121); an ultraviolet disinfecting apparatus (20), the ultraviolet disinfecting apparatus (20) being disposed in the machine (10), and the ultraviolet disinfecting apparatus (20) comprising: a housing (22); an ultraviolet LED light source (21), the ultraviolet LED light source (21) being disposed in the housing (22), and at least a portion of ultraviolet rays emitted by the ultraviolet LED light source (21) penetrating the housing (22), so as to disinfect wash water accommodated in the inner tub (12).

Description

Clothing treatment device

Technical field

The invention belongs to the technical field of household appliances, and in particular relates to a laundry treating device.

Background technique

Items such as clothes and sheets are worn by people every day, and they adhere to microorganisms such as bacterial and parasites. Different clothes are mixed and the microbes carried on them can cause cross-contamination, which affects people's health. . With the improvement of living standards, consumers are paying more and more attention. There is an urgent need for a sterilization washing machine that can remove bacteria and other microorganisms on the clothes while cleaning the clothes.

The sterilization method of the existing washing machine generally includes two types: a first physical sterilization method and a second chemical sterilization method. Physical sterilization methods include high temperature sterilization, nano antibacterial, antibacterial material sterilization and ultraviolet sterilization. Chemical sterilization methods include silver ion sterilization, electrolysis water sterilization (negative ion sterilization), and ozone sterilization.

Some washing machines are sterilized by installing an ultraviolet quartz lamp in a door frame or an upper cover of the washing machine, and sterilizing by directly irradiating the clothes and washing water with ultraviolet rays in the washing process.

The installation of ultraviolet quartz lamp sterilization in washing machine has the following defects: the first ultraviolet light directly illuminates the clothes and the inner parts of the washing machine, which easily causes the discoloration of the clothes and the aging of the washing machine parts; the second ultraviolet light is easy to leak, which may cause certain damage to the user. .

Therefore, in order to solve the above defects, the ultraviolet quartz lamp tube is installed on the outside of the washing tub and connected to the circulation pipeline, and the water in the washing tub is introduced into the circulation pipeline through the circulating water pump, and the ultraviolet light emitted from the ultraviolet quartz lamp tube is used to remove the washing water. After the bacteria, the water is returned to the washing tub, and the sterilization is repeated once and for all. The disadvantages are large volume, complicated water circulation structure, poor reliability, and high cost.

Summary of the invention

The present invention aims to solve at least one of the above technical problems to some extent.

To this end, the present invention provides a laundry treating apparatus which has a good sterilizing effect and does not cause damage to clothes and human bodies, has a long service life, a small volume, and a low cost.

A laundry treating apparatus according to an embodiment of the present invention includes: a body having an outer tub and an inner tub disposed in the outer tub and rotatable relative to the outer tub, the inner tub defining a garment receiving cavity; at least one ultraviolet sterilization a device, the ultraviolet sterilizing device is disposed to the outer tub and/or the inner tub, the ultraviolet sterilizing device comprises: an ultraviolet LED light source, and the ultraviolet light emitted by the ultraviolet LED light source enters the inner barrel and the outer barrel In the space, the washing water contained in the inner tub and the outer tub is sterilized.

According to the laundry treating apparatus of the embodiment of the present invention, the ultraviolet sterilizing device is disposed to the outer tub and/or the inner tub, and the ultraviolet ray emitted from the ultraviolet LED light source is entered into the space defined by the inner tub and the outer tub to be accommodated in the inner tub and the chamber The washing water of the outer tub is sterilized, the sterilizing effect is improved, and the clothes and the human body are not damaged, and the service life is long and the cost is low.

In addition, the laundry treating apparatus according to the embodiment of the present invention may further have the following additional technical features:

According to an embodiment of the present invention, the ultraviolet sterilizing device includes: a casing having an opening, the ultraviolet LED light source is built in the casing; and an ultraviolet light transmitting structure, the ultraviolet light transmitting structure is connected to The housing encloses the opening.

According to one embodiment of the invention, the ultraviolet LED source is comprised of a C-band deep ultraviolet LED having a dominant emission wavelength of 250-280 nm.

According to an embodiment of the present invention, a surface of the ultraviolet light transmitting structure facing the inner tub is flush with an end surface of the housing opening or a surface of the ultraviolet light transmitting structure facing the inner tub side is beyond the The end face of the opening of the housing.

According to an embodiment of the invention, the surface of the ultraviolet light transmitting structure facing the inner tub is a flat surface or a curved surface.

According to an embodiment of the invention, the ultraviolet sterilization device further includes: an indicator light in a visible light band, and the indicator light in the visible light band is electrically connected to the ultraviolet LED light source.

According to an embodiment of the invention, the ultraviolet sterilization device is integrally provided with a turbidity sensor module and/or a water hardness sensor module.

According to an embodiment of the invention, the outer surface of the housing and/or the surface of the ultraviolet light transmissive structure is provided with a scale coating; or the outer and/or inner surfaces of the housing are provided with a plating layer. .

According to an embodiment of the present invention, the laundry treating apparatus further includes: a controller, the ultraviolet sterilizing device is connected to the controller, the controller controls the ultraviolet sterilizing device switch, in the laundry treating device In the case where the door body is in an open state, the controller controls the ultraviolet sterilization device to stop working.

According to an embodiment of the invention, the central axis of the housing opening is at an angle a to the central axis of the housing.

The additional aspects and advantages of the invention will be set forth in part in the description which follows.

DRAWINGS

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from

1 is a schematic structural view of a laundry treating apparatus according to an embodiment of the present invention;

2 is a schematic structural view of a laundry treating apparatus according to another embodiment of the present invention;

3 is a schematic structural view of an ultraviolet sterilizing apparatus according to an embodiment of the present invention;

4 is a schematic structural view of an ultraviolet sterilizing apparatus according to another embodiment of the present invention;

Figure 5 is a schematic view showing the structure of an ultraviolet sterilizing apparatus according to another embodiment of the present invention;

6 is a schematic structural view of an ultraviolet sterilizing apparatus according to another embodiment of the present invention;

Figure 7 is a schematic view showing the structure of an ultraviolet sterilizing apparatus according to another embodiment of the present invention.

Reference mark:

Clothing treatment device 100;

The body 10; the outer tub 11; the inner tub 12; the clothes receiving chamber 121;

Ultraviolet sterilizing device 20; ultraviolet LED light source 21; housing 22; ultraviolet light transmitting structure 23.

detailed description

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.

Hereinafter, a laundry treating apparatus 100 according to an embodiment of the present invention, which may be a pulsator washing machine, a drum washing machine, a washing and drying machine, and other devices for cleaning laundry with a liquid, will be described with reference to FIGS. 1-7. It should be noted here that the clothes include, but are not limited to, clothes, pants, sheets, quilts, shoes, and socks.

The laundry treating apparatus 100 according to an embodiment of the present invention may generally include a body 10 and at least one ultraviolet sterilizing device 20. In other words, the laundry treating apparatus 100 can be provided to one or more ultraviolet sterilizing apparatuses 20, such as the pulsator laundry shown in FIG. 1, and a plurality of ultraviolet sterilizing apparatuses 20 can be disposed at the bottom and the side of the outer tub 11 of the pulsator washing machine. As the drum washing machine shown in FIG. 2, a plurality of ultraviolet sterilizing devices 20 are provided on the peripheral wall of the tub 11 of the drum washing machine. By arranging the plurality of ultraviolet sterilizing apparatuses 20 in the laundry treating apparatus 100, the washing water can be sterilized from different angles, thereby improving the sterilizing effect.

Specifically, as shown in FIGS. 1 and 2, the body 10 has an outer tub 11 and an inner tub 12 disposed in the outer tub 11 and rotatable relative to the outer tub 11, the inner tub 12 defining a garment receiving cavity 121. In the case where the laundry treating apparatus 100 is in the washing state, the rinsing state, or the dehydrated state, the washing water is distributed in the inner tub 12 and the outer tub 11, and flows between the inner tub 12 and the outer tub 11 as the inner tub 12 rotates.

The ultraviolet sterilizing device 20 may be provided to the outer tub 11 and/or the inner tub 12. That is, the ultraviolet sterilizing device 20 is provided only to the inner tub 12, or the ultraviolet sterilizing device 20 may be provided only to the outer tub 11, or the ultraviolet sterilizing device 20 is simultaneously provided to the inner tub 12 and the outer tub 11.

The ultraviolet sterilization device 20 includes an ultraviolet LED light source 21. The ultraviolet light emitted from the ultraviolet LED light source 21 enters the space defined by the inner tub 12 and the outer tub 11 to sterilize the washing water accommodated in the inner tub 12 and the outer tub 11. It can be understood that the ultraviolet sterilizing device 20 must be disposed to the outside of the clothes accommodating cavity 121, for example, the outer side wall of the inner tub 12 or the outer tub 11, so that the stainless steel inner tub 12 can effectively block most of the ultraviolet rays from entering the inner tub 12, thereby avoiding Causes problems such as fading or fiber damage, and avoids the potential risk of direct exposure of ultraviolet light to the user's eyes or skin. During the rotation of the inner tub 12, the washing water flows in a space corresponding to the inner tub 12 and the outer tub 11, that is, the washing water in the space flows into the inner tub 12 or the washing water flows into the space from the inner tub 12, so that the washing water passes through the ultraviolet rays repeatedly. Sterilize to achieve complete sterilization of clothing. Of course, it can be understood that, in the case where the laundry treating apparatus 100 is not working, that is, in the case where there is no water between the inner tub 12 and the outer tub 11, the ultraviolet sterilization device 20 can also be opened to define the inner tub 12 and the outer tub 11. The space is sterilized.

It should be noted that, compared with the mercury lamp ultraviolet lamp, the ultraviolet LED light source 21 has a compact installation structure, low power consumption, long life of several thousand hours or more, concentrated main wavelength of the illuminating energy, high energy efficiency, no collateral damage, safety and environmental protection. No heavy metal pollution problem, high switching frequency, instant start, adjustable brightness. Therefore, each of the laundry treating devices 100 can be provided with more than one ultraviolet sterilizing device 20, which can improve the sterilizing effect without increasing the excessive cost.

In short, according to the laundry treating apparatus 100 of the embodiment of the present invention, the ultraviolet sterilizing device 20 is provided to the outer tub 11 and/or the inner tub 12, and the ultraviolet ray emitted from the ultraviolet LED light source 21 is allowed to enter the space defined by the inner tub 12 and the outer tub 11. The sterilizing of the washing water contained in the inner tub 12 and the outer tub 11 improves the sterilizing effect without causing damage to the clothes and the human body, and has a long service life and low cost.

In some embodiments of the present invention, as shown in FIGS. 3-6, the ultraviolet sterilizing device 20 includes a housing 22 and an ultraviolet light transmitting structure 23, the housing 22 has an opening, and the ultraviolet LED light source 21 is built in the housing 22. The ultraviolet light transmitting structure 23 is coupled to the housing 22 to close the opening. That is, the housing 22 defines a chamber for accommodating the ultraviolet LED light source 21, wherein the ultraviolet LED light source 21 may comprise a plurality of ultraviolet LED beads, the plurality of ultraviolet LED beads being connected to the circuit board through the cable Connect to the outside for power and control. Thereby, the ultraviolet ray intensity radiated from the ultraviolet sterilizing device 20 can be increased, and the sterilizing effect can be improved.

In an alternative embodiment, the ultraviolet light transmissive structure 23 is prepared from a quartz glass material that is transparent to ultraviolet light. Thereby, it is ensured that the ultraviolet rays completely penetrate the ultraviolet light transmitting structure 23, and the washing water is effectively sterilized.

In a further alternative example, the ultraviolet light emitted by the ultraviolet LED source 21 has a wavelength in the ultraviolet C-band. Preferably, the ultraviolet light has a wavelength in the range of 260-280 nm. Thereby, the sterilizing effect of the ultraviolet sterilizing apparatus 20 can be further improved.

In an alternative embodiment, the outer and/or inner surfaces of the housing 22 are provided with a plating layer. The plating layer can prevent the washing water from corroding the surface of the casing 22, or the corrosion of the surface of the casing by the ultraviolet rays, and the service life of the casing 22 is improved.

In an alternative embodiment, the ultraviolet sterilizing device 20 further includes an indicator light (not shown) in the visible light band, and the indicator light in the visible light band is electrically connected to the ultraviolet LED light source 21, and those skilled in the art can understand that Visible light is not easily observed and cannot penetrate many commonly used transparent materials (such as transparent ABS, etc.). In order to determine the working state of the ultraviolet LED light source 21, a UV LED light source 21 may be integrated in the ultraviolet sterilization device 20 or The parallel indicator light in the visible light band determines the working state of the ultraviolet LED light source 21 through the state of the indicator light that can be directly observed by the naked eye (such as on and off).

In other embodiments of the present invention, the surface of the ultraviolet light transmitting structure 23 facing the inner tub 12 is flush with the end surface of the opening of the housing 22 or the surface of the ultraviolet transparent structure 23 facing the inner tub 12 is beyond the end surface of the opening of the housing 22. . Thus, when the ultraviolet sterilizing device 20 is installed at the lower position of the inner tub 12, the dirt of the washing water can be reduced and deposited on the surface of the ultraviolet light transmitting structure 23, so that the ultraviolet ray can penetrate the ultraviolet light transmitting structure 23 for a long time to effectively sterilize the washing water. It can be understood that, in the case where there is no dirt deposition, for example, when the ultraviolet sterilizing device 20 is installed at the upper position of the inner tub 12, the ultraviolet light transmitting structure 23 faces downward toward the side of the inner tub 12, and at this time, ultraviolet light is transmitted. The face of the structure 23 toward the side of the inner tub 12 may also be lower than the end face of the opening of the housing 22.

In other embodiments of the invention, as shown in FIG. 7, the central axis of the opening of the housing 22 is at an angle a to the central axis of the housing 22. In other words, the surface of the ultraviolet light transmitting structure 23 facing the inner tub 12 is offset from the outer sidewall of the inner tub 12 by a certain angle, that is, the ultraviolet light transmitting structure 23 and the inner tub 12 are not disposed oppositely, so that most of the ultraviolet light emitted by the ultraviolet LED light source 21 is only The washing water is accommodated in the space defined by the inner tub 12 and the outer tub 11. Therefore, in the sterilization process, only a part of the ultraviolet rays act on the inner tub 12 during the sterilization process, and the inner tub 12 can block the ultraviolet rays from entering the laundry. Inside the cavity 121. Therefore, the laundry treating apparatus 100 according to the embodiment of the present invention has not only a good sterilizing effect but also no damage to both the laundry and the human body.

In addition, the housing 22 may be provided with one or more ultraviolet light transmitting structures 23 to match different mounting positions of the ultraviolet LED light source 21, so that the ultraviolet rays can be irradiated to a desired position in different directions (for example, side surfaces) to sterilize the washing water. .

In an alternative embodiment, the surface of the ultraviolet light transmitting structure 23 facing the inner tub 12 may be a plane, as shown in FIG. 3 and FIG. 4, or the surface of the ultraviolet light transmitting structure 23 facing the inner tub 12 may also be It is a curved surface, as shown in Figures 5 and 6. It can be understood that the surface of the ultraviolet light transmitting structure 23 facing the inner tub 12 can be cleaned during the water fluctuation, so that the ultraviolet light can penetrate the ultraviolet light transmitting structure 23 for a long time to effectively sterilize the washing water.

In a further alternative embodiment, the outer surface of the housing 22 and/or the surface of the ultraviolet light transmissive structure 23 is provided with a scale coating. Thereby, it is possible to further prevent dirt from being deposited on the outer surface of the casing 22 and/or the surface of the ultraviolet light transmitting structure 23, thereby improving the stability of the ultraviolet light path and thereby improving the sterilization effect.

Further optionally, the ultraviolet sterilizing device 20 is treated by a waterproof potting process. Thereby, the sealing property and water repellency of the ultraviolet sterilizing device 20 are further improved, and the circuit safety of the ultraviolet sterilizing device 20 is improved.

In still another embodiment of the present invention, the laundry treating apparatus 1001 further includes: a controller (not shown), the ultraviolet sterilizing device 20 is connected to the controller, and the controller controls the ultraviolet sterilizing device 20 to switch. In the case where the door body of the laundry treating apparatus 100 is in an open state, the controller controls the ultraviolet sterilizing apparatus 20 to stop operating. That is to say, when the door body is in an open state, the ultraviolet sterilizing device 20 must be in a closed state, and at this time, ultraviolet rays are not externally irradiated, thereby avoiding harm to the human body. In the case where the door body is closed, in the case where the laundry treating apparatus 100 is in washing, rinsing, dehydrating or stopping operation, the ultraviolet sterilizing device 20 can be selectively turned on or off at any time, so that the user can select whether or not to perform sterilization according to his own needs.

In a further alternative embodiment, the ultraviolet sterilization device 20 is integrally provided with a turbidity sensor module (not shown) and/or a water hardness sensor module (not shown). The turbidity sensor module and the water hardness sensor module are respectively connected to the controller of the laundry treating apparatus 100, and the controller determines the washing condition according to the information of the turbidity sensor module and the water hardness sensor module, and automatically adjusts the washing times or time, thereby further improving The cleaning effect of the laundry treating apparatus 100.

Other configurations for the laundry treating apparatus 100 are well known to those skilled in the art and will not be described herein.

In the description of the present invention, it is to be understood that the orientation or positional relationship of the terms "upper", "lower", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings. It is to be understood that the invention is not to be construed as a limitation of the invention.

In the present invention, the first feature "on" or "under" the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them. Moreover, the first feature "above", "above" and "above" the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly above and above the second feature, or merely the first feature level being less than the second feature.

Although the embodiments of the present invention have been shown and described, it is understood that the foregoing embodiments are illustrative and not restrictive Variations, modifications, alterations and variations of the above-described embodiments are possible within the scope of the invention.

Claims

A laundry treating apparatus, comprising:

a body having an outer tub and an inner tub disposed in the outer tub and rotatable relative to the outer tub, the inner tub defining a garment receiving cavity;

At least one ultraviolet sterilizing device, the ultraviolet sterilizing device is disposed to the outer tub and/or the inner tub, the ultraviolet sterilizing device includes: an ultraviolet LED light source, the ultraviolet light emitted by the ultraviolet LED light source enters the inner tub and the The washing water contained in the inner tub and the outer tub is sterilized in a space defined by the outer tub.
The laundry treating apparatus according to claim 1, wherein the ultraviolet sterilizing apparatus comprises:

a housing having an opening, the ultraviolet LED light source being built in the housing;

An ultraviolet light transmitting structure, the ultraviolet light transmitting structure being coupled to the housing to close the opening.
The laundry treating apparatus according to claim 1, wherein said ultraviolet LED light source is constituted by a C-band deep ultraviolet LED having a main emission wavelength of 250 to 280 nm.
The laundry treating apparatus according to claim 2, wherein a surface of the ultraviolet light transmitting structure toward one side of the inner tub is flush with an end surface of the opening of the housing or the ultraviolet light transmitting structure faces the inner tub The side of one side extends beyond the end face of the opening of the housing.
The laundry treating apparatus according to claim 4, wherein the surface of the ultraviolet light transmitting structure facing the inner tub is a flat surface or a curved surface.
The laundry treating apparatus according to claim 1, wherein the ultraviolet sterilizing device further comprises: an indicator light in a visible light band, wherein the visible light band indicator is electrically connected to the ultraviolet LED light source.
The laundry treating apparatus according to claim 1, wherein the ultraviolet sterilization device is integrally provided with a turbidity sensor module and/or a water hardness sensor module.
The laundry treating apparatus according to claim 2, wherein an outer surface of the casing and/or a surface of the ultraviolet light transmitting structure is provided with a scale coating; or an outer surface and/or inner side of the casing The surface is provided with a plating layer.
The laundry treating apparatus according to claim 1, further comprising:

a controller, the ultraviolet sterilizing device is connected to the controller, the controller controls the ultraviolet sterilizing device switch, and in a case where the door body of the laundry treating device is in an open state, the controller controls the The UV sterilizer stops working.
A laundry treating apparatus according to claim 2, wherein a central axis of said housing opening is at an angle α to a central axis of said housing.