CN219889910U - Sterilization device for refrigerator and refrigerator - Google Patents

Abstract

The utility model relates to the technical field of refrigeration, and discloses a sterilizing device for a refrigerator and the refrigerator. The sterilization apparatus includes: the foam metal plate is arranged in the refrigerating space of the refrigerator and is provided with a mounting surface, and the mounting surface is provided with a plurality of hole sites and a plurality of non-hole sites; the reflecting layer is arranged on the non-hole site; a light source fixed to the foam metal plate, the light source including a sterilizing light source; the light guide optical fiber is connected with the sterilization light source and extends to the non-hole site, and the light emitted by the light guide optical fiber positioned at the non-hole site irradiates the reflecting layer. According to the utility model, the reflecting layer is arranged at the non-hole position through the porous structure of the foam metal plate, and the degerming light source is transmitted to the reflecting layer through the light guide optical fiber, so that a plurality of degerming light sources are not required to be arranged, and the cost is saved; because the non-hole positions are different in form and the angles of the planes where the positions are located are different, the light emitted by the light guide optical fiber can comprehensively irradiate all directions after being reflected by the reflecting layer, and the effect of sterilizing comprehensively is achieved.

Description

Sterilization device for refrigerator and refrigerator

Technical Field

The utility model relates to the technical field of refrigeration, in particular to a sterilizing device for a refrigerator and the refrigerator.

Background

The existing refrigerator refrigerating chamber is in a moist state all the year round, and the refrigerator refrigerating chamber can be guaranteed to be clean only by regular sterilization, most of sterilization modes are that ultraviolet lamps are installed in the refrigerator refrigerating chamber at present, and bacteria at positions which cannot be irradiated locally grow due to the limitation of the irradiation range of the ultraviolet lamps, so that the cleaning of the refrigerator refrigerating chamber is affected.

In the prior art, the ultraviolet lamp is arranged on the base, the reflecting layer and the scattering layer are oppositely arranged on two sides of the base, and the reflecting layer and the base are arranged at a certain angle, so that the ultraviolet lamp can be reflected to the scattering layer for scattering after being irradiated on the reflecting layer, and the irradiation range of the ultraviolet lamp is enlarged.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

under fixed angle, the ultraviolet ray that reflects out after an ultraviolet lamp shines the reflecting layer is single, even through scattering layer scattering also can't reach and shine comprehensive effect, consequently need use a plurality of ultraviolet light sources to shine, this makes degerming cost greatly increased, and because the scattering layer is fixed to the scattering angle of same direction light source, makes the ultraviolet ray light after scattering still can't reach comprehensive irradiation, has sanitary dead angle, influences the cleanliness in the refrigerator.

It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the utility model and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of Invention

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows.

The embodiment of the disclosure provides a sterilizing device for a refrigerator and the refrigerator, so as to solve the problems of incomplete sterilization in the refrigerator, high sterilization cost and the like.

According to a first aspect of the present utility model, there is provided a sterilization apparatus for a refrigerator, comprising: the foam metal plate is arranged in the refrigerating space of the refrigerator and is provided with a mounting surface, and the mounting surface is provided with a plurality of hole sites and a plurality of non-hole sites; the reflecting layer is attached to the non-hole site on the mounting surface; a light source fixed to the foam metal plate, the light source including a sterilizing light source; the light guide optical fiber is connected with the sterilization light source and extends to the non-hole site, and the light emitted by the light guide optical fiber positioned at the non-hole site irradiates the reflecting layer.

In one embodiment, the foam metal plate comprises one or more of foam aluminum plate, foam copper plate and foam nickel plate.

In one embodiment, the porosity of the foam metal plate ranges from 63% to 90%, and the pore size of the pore site ranges from 0.3mm to 7mm.

In one embodiment, the reflective layer comprises a titanium dioxide film and/or a diffuse mirror; wherein the titanium dioxide film is fixed on the surface of the non-hole site through magnetron sputtering coating; the diffuse reflection mirror is fixed on the non-hole site through embedding.

In one embodiment, the germicidal light source comprises an ultraviolet lamp; one end of the light guide fiber is connected with the ultraviolet lamp, the other end of the light guide fiber extends to each reflecting layer, and the light guide fiber corresponds to the reflecting layers one by one, so that the light emitted by the light guide fiber irradiates the reflecting layers.

In one embodiment, the sterilization device further comprises: the decorative light source comprises an LED lamp which is arranged on one side of the foam metal plate without the reflecting layer, and light emitted by the LED lamp can penetrate through the hole site to the other side of the foam metal plate.

In one embodiment, the hole sites include one or more of closed cells, through holes, and micro-through holes.

In one embodiment, the sterilization device further comprises: the sealing ring is arranged around the periphery of the foam metal plate; the frame is arranged around the periphery of the sealing ring; the frame is in interference fit with the sealing ring.

In one embodiment, the seal ring comprises a silicone pad; the frame adopts shape memory alloy, and when the temperature rises and changes, the frame contracts and compresses tightly the silica gel pad.

According to a second aspect of the present utility model, there is provided a refrigerator including: the inner container is used for defining a refrigerating space; the sterilization device according to any one of the above embodiments, provided on a top wall of the liner; the decorative light source is arranged between the top wall of the liner and the sterilizing device, and light emitted by the decorative light source irradiates downwards to penetrate through the hole site to the refrigerating space.

The sterilization device for the refrigerator and the refrigerator provided by the embodiment of the disclosure can realize the following technical effects:

the reflecting layer is arranged at the non-hole position through the porous structure of the foam metal plate, and the degerming light source is transmitted to the reflecting layer through the light guide optical fiber, so that a plurality of degerming light sources are not required to be arranged, and the cost is saved; because the non-hole positions are different in form and the angles of the planes where the positions are located are different, the light emitted by the light guide optical fiber can comprehensively irradiate all directions after being reflected by the reflecting layer, and the effect of sterilizing comprehensively is achieved.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the utility model.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which like reference numerals refer to similar elements, and in which:

fig. 1 is a schematic view of a view angle of a sterilization apparatus according to an embodiment of the present disclosure;

FIG. 2 is a schematic cross-sectional view taken along the direction A-A in FIG. 1;

fig. 3 is a partial structural schematic view of a refrigerator provided in an embodiment of the present disclosure;

fig. 4 is an enlarged view at a in fig. 3.

Reference numerals:

100: a sterilization device; 110: a foam metal plate; 111: a mounting surface; 1111: hole sites; 1112: a non-hole site; 120: a reflective layer; 130: a light source; 131: a sterilizing light source; 132: a decorative light source; 140: a light guide fiber; 150: a seal ring; 160: a frame;

200: a refrigerator; 210: an inner container; 211: and refrigerating the space.

Detailed Description

So that the manner in which the features and techniques of the disclosed embodiments can be understood in more detail, a more particular description of the embodiments of the disclosure, briefly summarized below, may be had by reference to the appended drawings, which are not intended to be limiting of the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.

The terms first, second and the like in the description and in the claims of the embodiments of the disclosure and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe embodiments of the present disclosure. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe embodiments of the present disclosure and embodiments thereof and are not intended to limit the indicated device, element, or component to a particular orientation or to be constructed and operated in a particular orientation. Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the embodiments of the present disclosure will be understood by those of ordinary skill in the art in view of the specific circumstances.

In addition, the terms "disposed," "connected," "secured" and "affixed" are to be construed broadly. For example, "connected" may be in a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the embodiments of the present disclosure may be understood by those of ordinary skill in the art according to specific circumstances.

The term "plurality" means two or more, unless otherwise indicated.

The term "and/or" is an associative relationship that describes an object, meaning that there may be three relationships. For example, a and/or B, represent: a or B, or, A and B.

It should be noted that, without conflict, the embodiments of the present disclosure and features of the embodiments may be combined with each other.

Referring to fig. 1 to 4, the embodiment of the present disclosure provides a sterilization apparatus 100 for a refrigerator 200 and a refrigerator 200.

As shown in fig. 1, the sterilizing apparatus 100 for a refrigerator 200 includes: foam metal plate 110, reflective layer 120, light source 130 and light guide fiber 140. Wherein, the foam metal plate 110 is arranged in the refrigerating space 211 of the refrigerator 200, the foam metal plate 110 is provided with a mounting surface 111, and the mounting surface 111 is provided with a plurality of hole sites 1111 and a plurality of non-hole sites 1112; the reflecting layer 120 is attached to the mounting surface 111 at a non-hole site 1112; a light source 130 fixed to the metal foam sheet 110, the light source 130 including a sterilizing light source 131; the light guide fiber 140 is connected to the sterilizing light source 131 and extends to the non-hole site, and the light emitted from the light guide fiber 140 at the non-hole site irradiates the reflective layer 120.

The reflecting layer 120 is arranged at the non-hole position through the porous structure of the foam metal plate 110, and the degerming light sources 130 are transmitted to the reflecting layer 120 through the light guide optical fibers 140, so that a plurality of degerming light sources 130 are not required to be arranged, and the cost is saved; because the non-hole positions are different in shape and the angles of the planes where the positions are located are different, the light emitted by the light guide fiber 140 can comprehensively irradiate all directions after being reflected by the reflecting layer 120, and the effect of sterilizing comprehensively is achieved.

In the embodiment of the present disclosure, the mounting surface 111 is defined from the perspective of disposing the reflective layer 120, that is, one side surface of the metal foam sheet 110 is used to attach the reflective layer 120, and the other side surface is defined as the mounting surface 111. In practical applications, for example, for sterilization in a refrigerator, the mounting surface 111 faces the cooling space 211 of the refrigerator 200.

Optionally, the foam metal plate 110 includes one or more of foam aluminum plate, foam copper plate, and foam nickel plate.

The foam metal refers to a special metal material containing foam pores. The foamed aluminum plate has excellent physical property, chemical property and mechanical property and is recyclable. The foamed aluminum plate has the characteristics of light weight, the density of the foamed aluminum is 0.1-0.4 times of that of metal aluminum, and the foamed aluminum has high specific stiffness, and the bending specific stiffness of the foamed aluminum plate is 1.5 times of that of steel. The foamed aluminum has good heat dissipation under the forced convection condition because the holes are mutually communicated. The foam copper is a novel multifunctional material in which a large number of communicated or non-communicated holes are uniformly distributed in a copper matrix. The foamy copper has good ductility and low preparation cost. The foam nickel has strong corrosion resistance, can not be corroded for a long time in a low-temperature and humid environment, and can prolong the service life.

Alternatively, the foam metal plate 110 has a thickness dimension in the range of 10mm to 60mm. And processing light holes on the surface of the foam metal plate, and enclosing the foam metal plate with a plurality of light holes into a hollow mounting box. A diffuse reflection mirror is stuck on the outer surface of a bottom plate of the installation box or a titanium dioxide film is plated by a magnetron sputtering method to form a reflecting layer 120, a sterilizing light source 131 is arranged in the installation box, a light guide optical fiber 140 is arranged at a certain distance from the bottom of the installation box, the light guide optical fiber 140 is connected with the sterilizing light source 131, and the sterilizing light source 131 is guided to the reflecting layer 120 so as to increase the irradiation range of the sterilizing light source 131; the decorative light source 132 is arranged in the installation box, and light emitted by the decorative light source 132 can be irradiated to the external space of the installation box through the light holes for light atmosphere rendering.

Alternatively, as shown in fig. 3, the porosity of the metal foam sheet 110 ranges from 63% to 90%, and the pore size of the pore sites 1111 ranges from 0.3 to 7mm.

Wherein the porosity of the foam metal plate 110 comprises 63%, 70%, 75%, 80%, 85%, and 90%; pore size includes 0.3mm, 0.5mm, 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 5mm, 6mm and 7mm. By setting the apertures with different sizes and the sizes of the non-hole sites with different sizes, the light source 130 reflects on the reflecting layer 120 to form reflected light rays covering different ranges, and the reflected light rays are mutually staggered so that the light source 130 can irradiate to each position in the refrigerating space 211; wherein the sterilizing light source 131 can realize the overall sterilization of the inside of the refrigerating space 211.

Optionally, as shown in fig. 1, the reflective layer 120 includes a titanium oxide film and/or a diffuse mirror; wherein the titanium dioxide film is fixed on the non-hole site surface through magnetron sputtering coating; the diffuse reflection mirror is fixed on the non-hole site through embedding.

The titanium dioxide film and/or the diffuse reflection mirror is/are arranged on the non-hole site on the mounting surface 111 of the metal foam, the light guide optical fiber 140 emits light on the titanium dioxide film and/or the diffuse reflection mirror, and the light is reflected to each part in the refrigerating space 211 after being irradiated on the titanium dioxide film and/or the diffuse reflection mirror, so that the light atmosphere in the refrigerating space 211 is adjusted, and the sterilization and the deodorization are carried out in the refrigerating space 211. Wherein the diffuse reflection mirror is arranged on the reflecting layer 120 in a bonding manner; the titanium dioxide film is coated on the surface of the reflecting layer 120 by a magnetron sputtering method, and the titanium dioxide plays a role in deodorizing under the irradiation of sterilizing light emitted by the light guide fiber 140. Ensuring that the air in the refrigerated space 211 is fresh.

In one embodiment, titanium dioxide coating is performed on the surface of the reflecting layer 120 by using a magnetron sputtering method, the sterilizing light source 131 is ultraviolet light and is arranged at one corner of the foam metal plate 110, the ultraviolet light is guided to correspond to the titanium dioxide film by the light guiding optical fiber 140, the light guiding optical fiber 140 irradiates ultraviolet light to the titanium dioxide film, the titanium dioxide film reflects the received ultraviolet light, and the reflected ultraviolet light irradiates into the refrigerating equipment to perform sterilizing and deodorizing functions; meanwhile, part of ultraviolet light is absorbed by the titanium dioxide, and the titanium dioxide plays a deodorizing function under the photocatalysis of the ultraviolet light, so that the air in the refrigeration equipment is further deodorized.

In one embodiment, the surface of the reflecting layer 120 is adhered with a diffuse reflecting mirror, the sterilizing light source 131 is ultraviolet light, and is embedded in the foam metal plate 110, the ultraviolet light is guided to correspond to the diffuse reflecting mirror through the light guiding optical fiber 140, the light guiding optical fiber 140 irradiates the ultraviolet light to the diffuse reflecting mirror, the diffuse reflecting mirror reflects the received ultraviolet light to various parts in the refrigerating space 211, and sterilizing and deodorizing the refrigerating space 211.

In one embodiment, the partially reflective layer 120 is coated with titanium dioxide using magnetron sputtering and the partially reflective layer is bonded with a diffuse mirror. The light source 130 emits ultraviolet light, wherein the titanium dioxide performs deodorization and sterilization by using the ultraviolet light, and the diffuse reflection mirror reflects the ultraviolet light to each part in the refrigerating space 211 to perform sterilization and deodorization on the refrigerating space 211.

In one embodiment, the reflective layer 120 is coated with titanium dioxide, which is attached to the reflective layer using an optical coating.

Alternatively, as shown in fig. 1, 3 and 4, the sterilizing light source 131 includes an ultraviolet lamp; one end of the light guide fiber 140 is connected with the ultraviolet lamp, and the other end extends to each reflecting layer 120, and the light guide fiber 140 corresponds to the reflecting layers 120 one by one, so that light emitted by the light guide fiber 140 is reflected by the reflecting layers 120.

The sterilizing light source 131 includes an ultraviolet lamp which is extended to the reflective layers 120 by connecting the light guide fibers 140, so that each reflective layer 120 has the light guide fibers 140 corresponding thereto, and is reflected to each position in the refrigerating space 211 of the refrigerator 200 after the light emitted from the light guide fibers 140 is irradiated to the reflective layers 120.

In one embodiment, the sterilizing light source 131 includes ultraviolet lamps, and a micro ultraviolet lamp is disposed at each reflecting layer 120, and the light emitted by each ultraviolet lamp irradiates the corresponding reflecting layer 120 and is reflected to each part in the refrigerating space 211. Wherein, each ultraviolet lamp is provided with different irradiation angles relative to the corresponding reflecting layer 120, so that the light emitted by the ultraviolet lamp is reflected to various directions by the corresponding reflecting layer 120, thereby realizing the overall sterilization and deodorization in the refrigerating space 211.

In one embodiment, the reflecting layers 120 have different angles with respect to the mounting surface 111, and an ultraviolet lamp is disposed on the side of the foam metal plate 110 where the reflecting layers 120 are disposed, and the ultraviolet lamp is disposed at a distance from the reflecting layers 120 such that light emitted from the ultraviolet lamp can irradiate more than 85% of the reflecting layers 120, and the reflecting layers 120 reflect the ultraviolet lamp light in different directions and are staggered with each other due to the different angles therebetween, so as to achieve the full coverage of the refrigerating space 211.

Optionally, as shown in fig. 2, the sterilization device 100 further includes: the decorative light source 132, the decorative light source 132 includes an LED lamp, which is disposed on one side of the metal foam sheet 110 without the reflective layer 120, and light emitted from the LED lamp can penetrate the hole site 1111 to the other side of the metal foam sheet 110.

A decorative light source 132 is arranged on one side of the foam metal plate 110 to increase the atmosphere in the refrigerating space 211 of the refrigerator 200, improve the level of the inner container of the refrigerator 200, and realize the effects of starry sky tops, lamplight patterns, personalized patterns and ticker. Set up the LED lamp in foam metal one side, wherein the LED lamp sets up one or more, and the LED lamp sets up in foam metal one side of keeping away from refrigeration space 211 center, and the light that the LED lamp sent shines in refrigeration space 211 through hole site 1111, and different LED lamps can send the light of different colours in order to promote the whole atmosphere in the refrigeration space 211.

In one embodiment, the decorative light source 132 is disposed at a side of the metal foam sheet 110 having the reflective layer 120, and light emitted from the decorative light source 132 irradiates the reflective layer 120 and is reflected by a diffuse mirror and/or a titanium dioxide film on the reflective layer 120 to irradiate various portions in the cooling space 211 of the refrigerator 200.

In one embodiment, the decorative light source 132 is embedded in the metal foam 110, wherein the metal foam 110 comprises a first panel, a second panel and a side frame, the first panel and the second panel are both metal foam 110, the first panel and the second panel are disposed opposite to each other, the side frame is enclosed on the outer edges of the first panel and the second panel to form a hollow metal foam box, the decorative light source 132 is disposed in the metal foam box, and the light emitted by the decorative light source 132 can be irradiated outside the metal foam box through the holes 1111 of the first panel and the second panel. And simultaneously, the reflection of the side wall of the hole 1111 can more comprehensively irradiate various parts in the refrigerating space 211.

Optionally, the hole sites 1111 include one or more of closed cells, through holes, and micro-through holes.

The hole sites 1111 comprise closed holes, the surfaces of the hole sites 1111 of the closed holes are covered with aluminum films, and light rays can penetrate through the aluminum films; the surface of the hole site 1111 of the through hole is not provided with any covering, and light can directly pass through the hole site 1111 to irradiate; the hole site 1111 of the micro-via hole is partially provided with a cover film, and the light part is irradiated by the absorption part through the hole site 1111.

In one embodiment, the inner side wall of the hole 1111 is provided with a plurality of reflecting surfaces, and the light source 130 irradiates into the hole 1111 and is reflected to various directions by the plurality of reflecting surfaces.

Optionally, referring to fig. 1 and 2, the sterilization device 100 further includes: the sealing ring 150 is arranged around the periphery of the foam metal plate 110; the frame 160 is arranged around the periphery of the sealing ring 150; the rim 160 is an interference fit with the seal 150.

A sealing ring 150 is arranged on the periphery of the foam metal plate 110, the sealing ring 150 wraps the periphery of the foam metal plate 110, and water vapor is prevented from entering the foam metal plate 110 from the side surface of the foam metal plate 110 when the temperature changes; meanwhile, a frame 160 is arranged at the periphery of the sealing ring 150 to fix the sealing ring 150 so that the sealing ring 150 cannot fall off.

Optionally, the sealing ring 150 comprises a silicone pad; the frame 160 is made of shape memory alloy, and when the temperature rises and changes, the frame 160 contracts to compress the silica gel pad.

The periphery of the foam metal plate 110 is provided with a silica gel pad which has certain tension, excellent insulativity, pressure resistance, high temperature resistance, low temperature resistance, stable chemical property, environmental protection, safety and no peculiar smell. The foam metal plate 110 is wrapped to the outer edge by the tension of a silica gel pad, a frame 160 is arranged on the outer edge of the silica gel pad, the frame 160 is made of shape memory alloy, the shape before deformation is set to tighten and compress the outer edge of the foam metal, the periphery of the foam metal is inwards compressed to reduce the aperture of the foam metal, the foam metal hole sites 1111 are closed, and a sealing ring 150 at the periphery of the side edge is compressed to seal the periphery of the foam metal, so that the contact between the interior of the foam metal and the external space is isolated; when the refrigerator 200 is turned on, the shape memory alloy is relaxed at low temperature, the hole site 1111 is opened, the aperture is enlarged, and the lamp light is radiated through the aperture.

Optionally, the sterilizing device 100 further includes a diffuse reflection lampshade covering a portion of the ultraviolet lamp. Wherein, the ultraviolet lamp is provided with one corner of the foam metal plate 110 and the lamp cap extends out of the foam metal plate 110, the diffuse reflection lampshade irradiates on the side surface and the bottom surface of part of the ultraviolet lamp, the side surface of the diffuse reflection lampshade is provided with an opening, and the opening faces the center direction of the foam metal plate 110. The inner wall of the diffuse reflection lampshade is a diffuse reflection mirror, the lamplight emitted by the ultraviolet lamp irradiates towards the reflecting layer on the bottom surface of the foam metal plate 110 under the reflection of the inner wall of the diffuse reflection lampshade, irradiates towards all directions inside the refrigerating space under the secondary reflection of the reflecting layer 120 of the foam metal plate 110, and achieves comprehensive sterilization and deodorization.

As shown in fig. 3, according to a second aspect of the present utility model, there is provided a refrigerator 200 including: a liner 210 defining a refrigerating space 211; the sterilization apparatus 100 according to any one of the above embodiments is disposed on the top wall of the liner 210; the decoration light source 132 is disposed between the top wall of the inner container 210 and the sterilization device 100, and the light emitted by the decoration light source 132 irradiates the penetrating hole 1111 downwards into the cooling space 211.

The sterilizing device 100 is arranged on the top wall of the inner container 210 of the refrigerator 200, wherein the reflecting layer 120 faces the center direction of the inner container 210; the sterilizing light source 131 is disposed at a corner of the metal foam sheet 110, and is connected to the outside of the reflective layer 120 opposite to the reflective layer 120 through the light guide fiber 140. The decorative light source 132 is disposed at a side of the non-reflective layer 120, and light emitted from the decorative light source 132 is irradiated toward the center of the inner container 210 through the hole site 1111.

In one embodiment, the sterilizing device 100 is not provided with the decorative light source 132, the sterilizing device 100 is arranged below the top lamp of the inner container 210 of the refrigerator 200, the refrigerator 200 is turned on, and the light emitted from the top lamp of the inner container 210 irradiates to the central direction of the inner container 210 through the hole site 1111 of the foam metal plate 110, so as to achieve the same decorative effect.

In one embodiment, the sterilizing device 100 is disposed within a freezer compartment of the refrigerator 200.

It will be appreciated that the sterilization device 100 as in any of the above embodiments may be used in a field including, but not limited to, refrigerators, freezers, and the like.

The above description and the drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may include structural and other modifications. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others.

Moreover, the terminology used in the present utility model is for the purpose of describing embodiments only and is not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a," "an," and "the" (the) are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this disclosure is meant to encompass any and all possible combinations of one or more of the associated listed.

Furthermore, when used in the present disclosure, the terms "comprises," "comprising," and/or variations thereof, mean that the recited features, integers, steps, operations, elements, and/or components are present, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising one …" does not exclude the presence of other like elements in a process, method or apparatus comprising such elements.

In this context, each embodiment may be described with emphasis on the differences from the other embodiments, and the same similar parts between the various embodiments may be referred to each other. For the methods, products, etc. disclosed in the embodiments, if they correspond to the method sections disclosed in the embodiments, the description of the method sections may be referred to for relevance.

The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. A sterilizing apparatus for a refrigerator, comprising:

a foam metal plate (110) arranged in a refrigerating space of the refrigerator (200), wherein the foam metal plate (110) is provided with a mounting surface (111), and the mounting surface (111) is provided with a plurality of hole sites (1111) and a plurality of non-hole sites (1112);

a reflecting layer (120) attached to the mounting surface (111) at the non-hole site (1112);

a light source (130) fixed to the foam metal plate (110), the light source (130) including a sterilizing light source (131);

and a light guide fiber (140) connected to the sterilizing light source (131) and extending to the non-hole site (1112), wherein the light emitted by the light guide fiber (140) positioned at the non-hole site (1112) irradiates the reflecting layer (120).

2. A sterilizing apparatus according to claim 1, wherein,

the foam metal plate (110) comprises one or more of a foam aluminum plate, a foam copper plate and a foam nickel plate.

3. A sterilizing apparatus according to claim 2, wherein,

the porosity of the foam metal plate (110) ranges from 63% to 90%, and the pore diameter of the pore site (1111) ranges from 0.3mm to 7mm.

4. A sterilizing apparatus according to claim 1, wherein,

the reflecting layer (120) comprises a titanium dioxide film and/or a diffuse reflecting mirror;

wherein the titanium dioxide film is fixed on the surface of the non-hole site (1112) through magnetron sputtering coating; the diffuse mirror is secured to the non-aperture site by an embedded mount (1112).

5. A sterilizing apparatus according to claim 1, wherein,

the germicidal light source (131) comprises an ultraviolet lamp;

one end of the light guide fiber (140) is connected with the ultraviolet lamp, the other end of the light guide fiber extends to each reflecting layer (120), the light guide fibers (140) are in one-to-one correspondence with the reflecting layers (120), and the light emitted by the light guide fibers (140) irradiates the reflecting layers (120).

6. The sterilization device according to any one of claims 1 to 5, further comprising:

the decorative light source (132), the decorative light source (132) includes the LED lamp, locates foam metal plate (110) one side of no reflection stratum, the light that the LED lamp sent can pass through hole site (1111) to the opposite side of foam metal plate (110).

7. A sterilizing apparatus according to claim 6, wherein,

the hole site (1111) comprises one or more of a closed hole, a through hole and a micro through hole.

8. The sterilization device according to any one of claims 1 to 5, further comprising:

the sealing ring (150) is arranged around the periphery of the foam metal plate (110);

the frame (160) is arranged around the periphery of the sealing ring (150);

the frame (160) is in interference fit with the sealing ring (150).

9. A sterilizing apparatus according to claim 8, wherein,

the sealing ring (150) comprises a silica gel pad;

the frame (160) is made of shape memory alloy, and when the temperature rises and changes, the frame (160) contracts and compresses the silica gel pad.

10. A refrigerator, comprising:

a liner (210) defining a refrigeration space (211);

the sterilization apparatus (100) of any one of claims 1-9 being provided on a top wall of said liner (210);

the decorative light source (132) is arranged between the top wall of the inner container (210) and the sterilizing device (100), and light emitted by the decorative light source (132) irradiates downwards to penetrate through the hole site (1111) to the inside of the refrigerating space (211).