CN211695553U - Refrigerator - Google Patents

Abstract

The utility model discloses a refrigerator, including area source illuminator, it is including: the annular mounting piece is fixed on the base body, and a plurality of light-emitting elements arranged in the circumferential direction of the annular mounting piece are arranged on the annular mounting piece; the cover body is buckled on the base body and fixed with the base body; the cover body includes: the mask body is at least provided with a scattering layer capable of scattering light on the upper surface of the mask body; the lens parts are arranged along the circumferential direction of the cover body and used for scattering light rays emitted by the light-emitting elements, and the lens parts are arranged corresponding to the light-emitting elements; the light-emitting element is arranged on the cover body, the lens part is arranged on the lens part, the lens part is arranged on. Through the utility model provides a problem that the structure is complicated that the area source illuminator of freezer exists among the prior art.

Description

Refrigerator

Technical Field

The utility model belongs to the technical field of household electrical appliances, concretely relates to improvement of freezer structure.

Background

In the prior art, in order to realize illumination of the internal space of the refrigerator body, when the refrigerator is arranged, a light source light-emitting device is usually arranged on a door body, a surface light source structure comprises a planar base of acrylic and an LED lamp arranged on one side of the planar base of acrylic, meanwhile, a reflective film is arranged at the position of the upper surface of the planar base of acrylic, a scattering film is arranged on the lower surface of the planar base of acrylic, then the reflective film, the planar base of acrylic and the scattering film are sealed by arranging a sealing structure, light emitted by the LED lamp irradiates on the planar base of acrylic, the planar base of acrylic is used as a light guide plate, the light is reflected into the planar base of acrylic by the reflection effect of the reflective film on the planar base of acrylic, light is guided by the planar base of acrylic, and then the light is scattered and emitted from the lower surface of the planar base of acrylic through the scattering film, the whole surface light source structure needs the cooperation of multiple structures of a reflecting film, an acrylic plane base and a scattering film, the whole structure is complex, and the production cost is improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem that the structure is complicated that the area source illuminator of freezer exists among the prior art, provide a freezer with new area source illuminator, simplified area source illuminator's structure, reduced manufacturing cost.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

the utility model provides a refrigerator, including:

a cabinet body, wherein a storage space is formed inside the cabinet body;

the door body is rotatably arranged on the cabinet body and can be opened or closed relative to the cabinet body in a rotating way;

the surface light source light-emitting device is assembled on the inner side surface of the door body, and comprises:

a substrate;

the annular mounting piece is fixedly arranged on the base body, and a plurality of light-emitting elements arranged along the circumferential direction of the annular mounting piece are arranged on the annular mounting piece;

the cover body is buckled on the base body and fixedly connected with the base body;

the cover body comprises:

the mask body is at least provided with a scattering layer capable of scattering light on the upper surface of the mask body;

the lens parts are arranged along the circumferential direction of the cover body and used for scattering light rays emitted by the light-emitting elements, and the lens parts are arranged corresponding to the light-emitting elements;

part of light emitted by the light-emitting element can enter the cover body after being scattered by the lens part and is emitted outwards through the scattering layer of the cover body, and part of light can enter the cover body and is emitted outwards through the scattering layer of the cover body after being totally reflected and refracted or refracted.

Further, the distance from the light-emitting element to the lens portion is smaller than the focal length of the lens, and the light-emitting element is located on the optical axis of the lens portion.

Furthermore, the scattering layer is a frosting layer, and the frosting layer comprises a plurality of frosted particles.

Further, an annular mounting part is arranged on the base body, the annular mounting part is assembled on the annular mounting part, and a first limiting part is arranged on the annular mounting part; the cover body is provided with a second limiting part formed by extending from the cover body, the first limiting part and the second limiting part are oppositely arranged, the annular mounting part is positioned between the first limiting part and the second limiting part, the bottom of the annular mounting part is abutted against the first limiting part, and the top of the annular mounting part is pressed and fixed by the second limiting part.

Furthermore, a concave part is formed on the door body, clamping structures which are matched with each other are arranged on the concave part and the surface light source light-emitting device, the surface light source light-emitting device is assembled in the concave part through the clamping structures, and the outer side face of the surface light source light-emitting device is flush with the inner side face of the door body.

Further, the cover body at least comprises a straight section and a curved section which are sequentially arranged along the light propagation direction of the light-emitting element, the straight section is connected with the curved section, the top surface and the bottom surface of the straight section are planes, and the top surface and the bottom surface of the curved section are curved surfaces.

Further, the lens part is a protrusion formed by extending upwards from the straight section, and the thickness of the middle of the protrusion is smaller than the thickness of the two sides of the protrusion.

Furthermore, the highest point height of the curved surface section is greater than that of the straight section, and the scattering layer is arranged on at least the top surface of the curved surface section.

Further, the cover body is an annular cover containing the light dispersing agent.

Further, the annular mounting part is a flexible circuit board, and the light-emitting element is mounted on the flexible circuit board.

Compared with the prior art, the utility model discloses an advantage is with positive effect:

the utility model discloses in the freezer that proposes including area source illuminator, and area source illuminator cooperates through setting up the cover body and light-emitting component, direct forming has the lens portion that can be used to astigmatic on the cover body and transmits to the light through the cover body itself, finally makes the outside even scattering of light, makes the pointolite change into for the area source, need not to set up parts such as light guide plate, scattering film and reflective membrane alone, has simplified the structure of whole area source.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of the refrigerator of the present invention;

fig. 2 is a schematic structural view of the door body of the refrigerator of the present invention;

fig. 3 is a first schematic structural view of the surface light source lighting device of the refrigerator of the present invention;

fig. 4 is a schematic structural view of a surface light source lighting device of the refrigerator of the present invention;

fig. 5 is an exploded view of the light emitting device of the surface light source of the refrigerator of the present invention;

fig. 6 is a top view of the lighting device of the surface light source of the refrigerator of the present invention;

fig. 7 is a front view of the lighting device of the surface light source of the refrigerator of the present invention;

FIG. 8 is an enlarged view of a portion of FIG. 4 at A;

fig. 9 is a first schematic structural view of the cover body of the surface light source lighting device of the refrigerator of the present invention cooperating with the lighting element;

fig. 10 is a second schematic structural view of the cover body of the surface light source lighting device of the refrigerator of the present invention cooperating with the lighting element;

fig. 11 is a schematic view of the light path of the surface light source lighting device of the refrigerator of the present invention;

fig. 12 is a schematic structural view of the ring-shaped mounting member of the surface light source lighting device of the refrigerator of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model provides an embodiment of freezer, it is shown with reference to fig. 1-12, including: a cabinet 500 in which a storage space is formed inside the cabinet 500;

the door body 600 is rotatably arranged on the cabinet body 500 and can be opened or closed in a rotating manner relative to the cabinet body 500;

and the surface light source light emitting device is assembled on the inner side surface of the door body 600 and used for illuminating the inside of the cabinet body 500.

In order to realize the assembly of the surface light source light emitting device, the door body 600 is correspondingly provided with a concave portion 610, preferably, the concave portion 610 is a groove, and is adapted to the contour of the surface light source light emitting device, so that the surface light source light emitting device can be just assembled inside the concave portion, and in order to realize the connection of the surface light source light emitting device and the door body 600, in some embodiments, the concave portion 610 and the surface light source light emitting device are correspondingly provided with mutually matched clamping structures, the surface light source light emitting device is assembled into the concave portion 610 through the clamping structures, and the outer side surface of the surface light source light emitting device is flush with the inner side surface of the door body 600.

The clamping structure comprises a first clamping jaw 710 arranged on the inner side wall of the periphery of the groove and a second clamping jaw 720 arranged on the surface light source light-emitting device, the surface light source light-emitting device is fixedly clamped with the door body 600 through the matching of the second clamping jaw 720 and the first clamping jaw 710, and meanwhile, the outer side face of the surface light source light-emitting device is flush with the inner side face of the door body 600 after the surface light source light-emitting device is assembled, so that the whole attractiveness is enhanced.

The surface light source light emitting device includes:

comprises the following steps: the substrate 100, in some embodiments the substrate 100 is a circular light box, and is used to support the entire area light source lighting device.

The ring-shaped mounting member 200 is mounted on the base 100, and a plurality of light emitting elements 300 are disposed on the ring-shaped mounting member 200 along the circumference of the ring-shaped mounting member 200. in some embodiments, the ring-shaped mounting member 200 is a light bar base for mounting the light emitting elements 300, which may be of a flexible circuit board structure, and the light emitting elements 300 and some electronic components are connected to the flexible circuit board in a chip package. The flexible circuit board has strong plasticity, can be freely bent and adjusted in shape according to the requirement so as to meet the design requirements of structural installation and optical paths.

The light emitting elements 300 are preferably LED beads, which are mounted on the ring mount 200 and arranged at equal intervals in the circumferential direction of the ring mount 200, and the plurality of light emitting elements 300 constitute a plurality of point light sources arranged in the circumferential direction of the ring mount 200.

In order to fix the ring mount 200, a ring mount 110 is provided on the base 100, and the ring mount 200 is mounted on the ring mount 110.

In some embodiments, the annular mounting portion 110 is an annular mounting rib formed by extending upward from the base 100, and the shape of the annular mounting rib is matched with the shape of the inner profile of the annular mounting bar, so that the annular mounting bar can be exactly sleeved and assembled on the annular mounting rib.

The cover 400 is fastened on the base 100 and fixedly connected with the base 100.

In some embodiments, the cover body 400 is an annular cover containing a light dispersing agent, and the light dispersing agent may be a light dispersing agent in the prior art, which is not described herein, and the light dispersing agent may be directly added into the cover body 400 when the cover body 400 is molded, and the cover body 400 is integrally molded with the light dispersing agent, and by adding a certain amount of the light dispersing agent into the cover body 400, light may be scattered to a certain extent by the cover body 400 when the light is emitted onto the cover body 400, so that the light is uniformly dispersed, and further, it is ensured that the emitted light is a uniform surface light source.

When the connection is fixed, a buckle is arranged on the inner side wall of the annular cover, and the annular cover is clamped and fixed through the buckle corresponding to the buckle and positioned on the base body 100, so that the connection and the fixation between the annular cover and the base body 100 are realized.

In some embodiments, the cover 400 includes:

a cover body 410, a scattering layer for scattering light is arranged on the upper surface of the cover body 410,

when the cover 400 is assembled on the base 100, the corresponding surface on the cover body 410, which is located at the top end, is the upper surface of the cover body 410, the surface on the bottom is the lower surface of the cover body 410, and the scattering of light projected onto the cover body 410 can be realized through the scattering layer arranged on the cover body 410.

And a plurality of lens parts 420 arranged along the circumferential direction of the cover body 410 and used for scattering light emitted by the light emitting elements 300, wherein the plurality of lens parts 420 are arranged corresponding to the plurality of light emitting elements 300, so that light emitted by the plurality of light emitting elements 300 can enter the cover body 410 after passing through the lens parts 420 corresponding to the positions of the light emitting elements respectively, preliminary scattering of the light can be performed by the light under the action of the lens parts 420, light spots are eliminated, and the light emitted from the cover body 410 is finally a surface light source with good uniformity and dispersibility.

Part of the light emitted by the light emitting element 300 can enter the cover body 410 after being scattered by the lens part 420 and exit through the scattering layer of the cover body 410, and part of the light can enter the cover body 410 and exit through the scattering layer of the cover body 410 after being totally reflected and refracted or refracted.

In some embodiments, the cover body 410 at least includes a straight section 412 and a curved section 413 sequentially arranged along the light propagation direction of the light emitting element 300, the straight section 412 is connected to the curved section 413, the top surface and the bottom surface of the straight section 412 are flat surfaces, and the top surface and the bottom surface of the curved section 413 are curved surfaces.

Fig. 8 is a sectional view taken along the optical axis, as shown in fig. 8: when the surface light source is used, the light emitting element 300 is electrically conducted and emits light after being contacted and conducted, and a part of light emitted through the light emitting element 300 is directly projected onto the lens part 420 as shown by a dotted light path in fig. 8, and is projected onto the upper surface of the curved section 413 of the cover 400 after passing through the lens part 420, because the light is incident into the optically dense medium, i.e., the cover 400, from the optically sparse medium, i.e., air, the light follows the refraction law of light, and the light enters the cover 400 through refraction, is scattered by the scattering layer on the upper surface of the curved section 413 to form n light rays, and is emitted from the lower surface of the cover 400;

another part of the light emitted from the light emitting element 300 is directly incident on the cover 400 without passing through the lens part 420 as shown by the solid optical path in fig. 8, refraction occurs first at the upper surface of the cover 400 into the interior of the cover 400, and as the cover 400 travels from the inside to the outside, because the light enters the light-thinning medium from the optically dense medium, a part of the light can be totally reflected when the incident angle alpha is larger than or equal to the critical angle, as shown in fig. 8, the critical angle of the light ray is totally reflected in the straight section 412 after reaching the incident angle, and when the light ray is reflected onto the curved section 413, the curved surface changes in a curved manner, so that the incident angle changes, and total emission does not occur any more, and finally, the light is totally reflected and refracted for many times inside the cover 400, and then is scattered outward by the scattering layer on the upper surface of the cover 400, divided into n light beams, and emitted from the lower surface of the cover 400. There is a portion of the light that can be refracted directly to transmit through the cover body 410 to the outside because the incident angle within the cover 400 is less than the critical angle.

The surface light source light-emitting device can perform preliminary scattering on light by arranging the lens part 420, so that the effect of uniform light is realized, and meanwhile, the path of the light emitted by the light-emitting element 300 and not passing through the lens part 420 is subjected to total reflection, mutual superposition of refraction or refraction after being projected on the cover body 410, so that the light is uniformly dispersed, and the light is more uniformly dispersed;

in addition, a scattering layer is arranged on the upper surface of the cover body 410, and the light can be fully scattered and more uniform and softer when finally exiting the cover body 400 through the scattering effect of the scattering layer.

The surface light source light-emitting device is matched with the light-emitting element 300 through the cover body 400, the lens part 420 which can be used for light scattering is directly formed on the cover body 400, and light is scattered through the cover body 400, so that the point light source is converted into the surface light source, components such as a light guide plate, a scattering film and a reflective film do not need to be arranged independently, and the structure of the whole surface light source is simplified.

Further, the surface light source scatters light by the cover 400 itself, and the cover 400 may be formed in various curved shapes when installed, so that various types of installation may be realized.

In some embodiments, the scattering layer is a frosted layer disposed on the upper surface of the cover body 410, and the frosted layer includes a plurality of frosted dots, and each frosted dot corresponds to a light scattering dot.

In order to ensure that a better scattering effect can be achieved, the distance from the light-emitting element 300 to the optical center of the lens part 420 is smaller than the focal length of the lens, namely, the distance from the optical center of the lens part 420 to the focal point, so that the light-emitting element 300 is located between the focal point and the optical center, the circumferential array LED lamp unit on the outer wall of the flexible LED lamp strip corresponds to the integrated circumferential array rectangular lens unit of the lampshade, and on the optical axis of the lens, the lens part 420 provides scattering of the initial section of the optical path, and light spots are eliminated.

In some embodiments, the light emitting element 300 is located on the optical axis of the lens portion 420.

In some embodiments, the annular mounting portion 110 is provided with a first limiting portion 111,

in an alternative embodiment, the first position-limiting portion 111 is a first position-limiting protrusion formed on the annular mounting portion 110, the first position-limiting protrusion is disposed perpendicular to the side surface of the annular mounting portion 110,

be equipped with the spacing portion 411 of second that extends the formation from cover body 410 on the cover body 410, first spacing portion 111 and the relative setting in second spacing portion 411 position, the spacing portion 411 of second is the spacing arch of second, the annular mounting part 200 is located between first spacing portion 111 and the spacing portion 411 of second and the bottom of annular mounting part 200 supports and leans on first spacing portion 111, and the top is passed through the spacing portion 411 of second compresses tightly fixedly.

In some embodiments, the lens part 420 is a protrusion extending upward from the straight part 412, the protrusion is perpendicular to the straight part 412, the middle thickness of the protrusion is smaller than the thicknesses of the two sides, the lens part 420 forms a structure similar to a concave lens, and when passing through the protrusion, light is scattered by the protrusion, so that the light is primarily scattered, and light spots are eliminated, so that the point light source can be changed into a surface light source.

In order to ensure that the light emitted from the light emitting element 300 can be directly projected onto the curved section 413 after passing through the lens part 420 and be scattered by the scattering layer on the upper surface of the curved section 413, and the scattering layer is arranged on at least the top surface of the curved section 413, the height of the highest point of the curved section 413 is larger than that of the highest point of the straight section 412. Thus, after passing through the lens part 420, the light rays can be directly projected onto the curved surface segment 413 and scattered into n groups through the scattering layer on the curved surface segment 413, so that the light rays are dispersed and uniform, and the light emitted by the point light source becomes a large-area surface light source.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.

Claims (10)

1. A refrigerator, comprising:

a cabinet body, wherein a storage space is formed inside the cabinet body;

the door body is rotatably arranged on the cabinet body and can be opened or closed relative to the cabinet body in a rotating way;

it is characterized by also comprising: the surface light source light-emitting device is assembled on the inner side surface of the door body, and comprises:

a substrate;

the annular mounting piece is fixedly arranged on the base body, and a plurality of light-emitting elements arranged along the circumferential direction of the annular mounting piece are arranged on the annular mounting piece;

the cover body is buckled on the base body and fixedly connected with the base body;

the cover body comprises:

the mask body is at least provided with a scattering layer capable of scattering light on the upper surface of the mask body;

the lens parts are arranged along the circumferential direction of the cover body and used for scattering light rays emitted by the light-emitting elements, and the lens parts are arranged corresponding to the light-emitting elements;

part of light emitted by the light-emitting element can enter the cover body after being scattered by the lens part and is emitted outwards through the scattering layer of the cover body, and part of light can enter the cover body and is emitted outwards through the scattering layer of the cover body after being totally reflected and refracted or refracted.

2. The refrigerator of claim 1 wherein the light emitting element is located on an optical axis of the lens portion, the distance from the light emitting element to the lens portion being less than the focal length of the lens.

3. The cooler of claim 2, wherein the diffuser layer is a frosted layer comprising a plurality of frosted particles.

4. The refrigerator according to claim 2, wherein a ring-shaped mounting part is arranged on the base body, the ring-shaped mounting part is assembled on the ring-shaped mounting part, and a first limiting part is arranged on the ring-shaped mounting part; the cover body is provided with a second limiting part formed by extending from the cover body, the first limiting part and the second limiting part are oppositely arranged, the annular mounting part is positioned between the first limiting part and the second limiting part, the bottom of the annular mounting part is abutted against the first limiting part, and the top of the annular mounting part is pressed and fixed by the second limiting part.

5. The refrigerator of claim 1, wherein a depressed part is formed on the door body, a mutually matched clamping structure is arranged on the depressed part and the surface light source light-emitting device, the surface light source light-emitting device is assembled in the depressed part through the clamping structure, and the outer side surface of the surface light source light-emitting device is flush with the inner side surface of the door body.

6. The refrigerator of claim 1, wherein the cover body comprises at least a straight section and a curved section which are sequentially arranged along the light propagation direction of the light emitting element, the straight section is connected with the curved section, the top surface and the bottom surface of the straight section are planes, and the top surface and the bottom surface of the curved section are curved surfaces.

7. The refrigerator of claim 6 wherein the lens portion is a protrusion extending upwardly from the flat section, the protrusion having a thickness in the middle that is less than the thickness of the sides.

8. The cooler of claim 6, wherein the curved section has a highest point height greater than a highest point height of the straight section, and wherein the scattering layer is disposed on at least a top surface of the curved section.

9. The cooler of claim 6, wherein the housing is a ring-shaped housing containing a light dispersing agent.

10. The cooler of claim 1, wherein the loop mount is a flexible circuit board, the light emitting element patch being on the flexible circuit board.

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