CN215259418U - Light-emitting device and household appliance - Google Patents

Abstract

The application discloses light-emitting device and household appliance. The light emitting device comprises a light source and a light transmissive substrate ring. The light source comprises one or more than one and is used for emitting light; the base ring comprises an annular base body and a plurality of optical elements embedded in the base body, a recess is formed in a first surface of the base body, the light source is installed in the recess, light rays emitted by the light source enter the base body from two sides of the recess, which are opposite to each other, the optical elements are used for reflecting partial light rays to enable partial light rays to be emergent from the first surface or a second surface of the base body, and the optical elements are used for refracting the partial light rays on two sides to enable partial light rays to be transmitted and converged along the extending direction of the base body, and the first surface and the second surface are opposite to each other. In the light emitting device of this application, optical element's setting makes the light of light source transmission reflect and refract in the base member, realizes annular light effect, simple structure, easily installation and wiring.

Description

Light-emitting device and household appliance

Technical Field

The application relates to the field of illumination of household appliances, in particular to a light-emitting device and a household appliance.

Background

At present, the annular lamp is mostly arranged the LED lamp through the multiple spot and is realized the even luminous effect of annular, arranges the LED lamp through the multiple spot, can adjust the position of lamp conveniently to guarantee the degree of consistency of light effect, realize getting up the easiest. However, the multipoint arrangement of the LED lamps has certain space position requirements on the lamps and wiring, and has larger limitation on places with narrow space.

SUMMERY OF THE UTILITY MODEL

The application provides a light-emitting device and a household appliance.

The light-emitting device of the embodiment of the present application includes a light source and a light-transmissive substrate ring. The light source comprises one or more than one light source and is used for emitting light; the substrate ring comprises an annular substrate and a plurality of optical elements embedded in the substrate, a recess is formed in a first surface of the substrate, the light source is installed in the recess, light rays emitted by the light source enter the substrate from two opposite sides of the recess, the optical elements are used for reflecting part of the light rays to enable part of the light rays to be emitted from the first surface or a second surface of the substrate, and the optical elements are used for refracting part of the light rays at two sides to enable part of the light rays to be transmitted and converged along the extending direction of the substrate, and the first surface and the second surface are opposite.

In some embodiments, the light from the light source that enters the substrate from one side of the recess is transmitted in a clockwise direction of the substrate, and the light that enters the substrate from the other side of the recess is transmitted in a counter-clockwise direction of the substrate until it merges with the light transmitted in the clockwise direction.

In certain embodiments, the refractive index of the matrix is greater than the refractive index of the optical element.

In some embodiments, the substrate is symmetrical about a line between the center of the recess and the light ray junction.

In some embodiments, between the recess and the light junction, the base includes an incident section, a transmission section and a junction section, which are connected in sequence, the optical element is disposed in the transmission section, the incident section is configured to transmit the light emitted by the light source to the transmission section, the optical element is configured to transmit the light transmitted to the transmission section to the junction section, and a portion of the light emitted by the light source exits from the first surface or the second surface.

In some embodiments, the optical element includes a triangular prism structure, the optical element includes a top surface, a bottom surface, a first side surface, a second side surface, and a third side surface, the first side surface, the second side surface, and the third side surface are sequentially connected end to end and are all connected to the top surface and the bottom surface, the first side surface with the largest area is used for refracting part of the light rays to enter the optical element, the first side surface is used for reflecting part of the light rays to the second surface or the first surface, and the third side surface is used for refracting the light rays entering the optical element.

In some embodiments, the cross-section of the optical element is an isosceles right triangle, the hypotenuse of the isosceles right triangle facing the entrance segment.

In some embodiments, when the first side surface reflects part of the light to the second side surface, the first surface of the incident section is provided with a concave-convex structure, and/or the first surface of the merging section is provided with a concave-convex structure; when the first side surface reflects part of the light to the first surface, the second surface of the incident section is provided with a concave-convex structure, and/or the second surface of the converging section is provided with a concave-convex structure.

In some embodiments, a plurality of the optical elements are arranged in sequence along the extension direction of the transmission segment.

In some embodiments, the volume of the optical element increases gradually in the direction from the entrance section to the merging section.

In some embodiments, the transmission segment includes a first subsegment and a second subsegment which are connected, each of the optical elements in the first subsegment has the same volume, and the volumes of the optical elements in the second subsegment are gradually increased in the direction from the second subsegment to the merging segment.

In some embodiments, the slope of the first surface gradually increases in a direction from the incident section to the merged section to form a curved surface, and the distribution of the optical elements gradually becomes dense.

In some embodiments, the transmission segment includes a first sub-segment and a second sub-segment which are connected, the slope of the first face of the first sub-segment is the same, the slope of the first face of the second sub-segment gradually increases in the direction from the second sub-segment to the merging segment, and the distribution of the optical elements gradually becomes dense.

In some embodiments, the light emitting device further comprises a power strip electrically connected to the light source.

The household appliance of the embodiment of the application comprises a base, a light-transmitting panel, a heating assembly and the light-emitting device of any one of the embodiments. The base is provided with an accommodating cavity. The panel is mounted on the top of the base. The heating assembly is contained in the containing cavity and used for generating heat. The light-emitting device is arranged in the accommodating cavity and surrounds the heating assembly, and the panel can transmit light rays emitted from the first face or the second face.

In some embodiments, the household appliance further comprises a fixing member, the fixing member comprises a first end and a second end which are opposite to each other, the first end is mounted on the base, and the second end is used for supporting the base.

In some embodiments, the second end has an opening and is formed with two opposing spaced apart jaws, the substrate being received in the opening, the jaws being adapted to grip the substrate.

In the light-emitting device and the household appliance, one or more light sources are installed in the recess of the base body, light emitted by the light sources enters the base body from two opposite sides of the recess, wherein the optical element in the base body can emit part of light from the first surface or the second surface of the base body, and part of light can be refracted out of the optical element to be transmitted and gathered along the extending direction of the base body continuously. The optical element can emit and refract light emitted by the light source in the substrate, so that an annular light effect is realized, and the light-emitting device is simple in structure and easy to install and wire.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic perspective view of a light-emitting device according to an embodiment of the present application;

FIG. 2 is an enlarged schematic view at II of the light-emitting device shown in FIG. 1;

FIG. 3 is a schematic diagram of light emitted from a light source being reflected and refracted by an optical element;

fig. 4 is a schematic perspective view of a light-emitting device according to an embodiment of the present application;

fig. 5 is a schematic perspective view of an optical element in a light-emitting device according to an embodiment of the present application;

fig. 6 is a schematic structural view of a light-emitting device according to an embodiment of the present application;

FIG. 7 is an enlarged schematic view at VII in the light generating device shown in FIG. 6;

fig. 8 is a schematic perspective view of a household appliance according to an embodiment of the present application;

fig. 9 is a schematic view of a fixing member and a light emitting device in a home appliance according to an embodiment of the present application.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the embodiments of the present application, and are not to be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present application and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the embodiments of the present application, "a plurality" means two or more unless specifically defined otherwise.

In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other suitable relationship. Specific meanings of the above terms in the embodiments of the present application can be understood by those of ordinary skill in the art according to specific situations.

In embodiments of the present application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the application. In order to simplify the disclosure of the embodiments of the present application, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present application. Embodiments of the present application may repeat reference numerals and/or reference letters in the various examples for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, embodiments of the present application provide examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

Referring to fig. 1 and 2, a light emitting device 100 according to an embodiment of the present disclosure includes a light source 10 and a transparent substrate ring 30. The light source 10 includes one or more, the light source 10 is used for emitting light; the base ring 30 includes an annular base 31 and a plurality of optical elements 33 embedded in the base 31, a recess 312 is disposed on a first surface 311 of the base 31, the light source 10 is installed in the recess 312, light emitted by the light source 10 enters the base 31 from two opposite sides of the recess 312, the optical elements 33 are used for reflecting part of the light to enable part of the light to exit from the first surface 311 or a second surface 313 of the base 31, and refracting part of the light at two sides to enable part of the light to be transmitted and converged along an extending direction of the base 31, and the first surface 311 is opposite to the second surface 313.

At present, the annular lamp is mostly arranged the LED lamp through the multiple spot and is realized the even luminous effect of annular, arranges the LED lamp through the multiple spot, can adjust the position of lamp conveniently to guarantee the degree of consistency of light effect, realize getting up the easiest. However, the multipoint arrangement of the LED lamps has certain space position requirements on the lamps and wiring, and has larger limitation on places with narrow space.

In the light emitting device 100 of the present application, one or more light sources 10 are installed in the recess 312 of the substrate 31, and light emitted from the light sources 10 enters the substrate 31 from two opposite sides of the recess 312, wherein the optical element 33 in the substrate 31 can emit part of the light from the first surface 311 or the second surface 313 of the substrate 31, and can refract part of the light from the optical element 33 to continue to be transmitted and converged along the extending direction of the substrate 31. The optical element 33 is disposed to emit and refract light emitted from the light source 10 within the substrate 31, thereby realizing a ring light effect, and the light emitting device 100 has a simple structure and is easy to install and wire.

Specifically, the light source 10 may include, but is not limited to, incandescent lamps, halogen lamps, fluorescent lamps, energy-saving fluorescent lamps, RGB lamp beads, LED lamps, and the like, and is not limited herein. In addition, when the light source 10 is an LED lamp or an RGB lamp bead, the LED lamp can realize a plurality of light color effects by using the three primary colors of red, green, and blue, and the RGB lamp bead is a lamp bead capable of emitting light of red (R), green (G), blue (B), and the like. Therefore, LED lamp or RGB lamp pearl all can act as the atmosphere lamp, promote user's use impression. And when light source 10 is the LED lamp, LED lamp electric stability is stable, can form even and clear light beam, so, can make light source 10 produce bright light, when the transmission in base member ring 10, can form even annular light effect.

Wherein, the number of the light sources 10 may include one, and one light source 10 is installed in the recess 312, in this case, the wiring of the light sources 10 is simple. Of course, the number of the light sources 10 may also include a plurality of light sources, for example, two, three, or more than three, and a plurality of light sources 10 are installed in the recess 312, so as to enhance the intensity of the light emitted by the light sources 10 and ensure that the annular base 31 can achieve the annular light effect. In addition, since the plurality of light sources 10 are all installed in the recess 312, the installation and wiring of the light sources 10 are easy to be realized, and the installation and wiring of other components are not interfered, compared with the case that the plurality of light sources 10 are installed at different positions.

Specifically, the base ring 30 has an annular structure, and may have a circular, square, polygonal, or the like shape, for example. The cross-sectional shape of the base ring 30 may include, but is not limited to, a circle, a rectangle, a polygon, or the like. In the embodiment of the present application, the cross-sectional shape of the substrate ring 30 is rectangular, and when the substrate ring 30 is laid flat on a horizontal plane, the first surface 311 of the substrate ring 30 is the lower surface of the substrate ring 30, and the second surface 313 is the upper surface of the substrate ring 30.

In some embodiments, the substrate ring 30 includes a ring-shaped substrate 31 and a plurality of optical elements 33 disposed within the substrate 31, wherein the substrate 31 and the plurality of optical elements 33 are a unitary structure, and the material of the substrate 31 is different from the material of the optical elements 33. Specifically, the substrate 31 is a solid structure, and the optical element 33 is embedded in the substrate 31. For example, a thin layer of the substrate material may be injected to form the bottom of the substrate 31, then a plurality of optical elements may be injected onto the bottom of the substrate 31, and finally the injection of the substrate material is continued to form the substrate ring 30, at which time the optical elements 33 are embedded in the substrate 31. The plurality of optical elements 33 embedded in the base 31 can reflect the light emitted from the light source 10 out of the first surface 311 or the second surface 313 of the base 31, and transmit the light emitted from the light source 10 along the circumferential direction of the base 31 (the clockwise direction X and the counterclockwise direction Y of the base 31), thereby achieving the ring-shaped lighting effect of the light emitting device 100.

Referring to fig. 1 and 2, the light source 10 is disposed in the recess 312, and light emitted from the light source 10 enters the substrate 31 from two opposite sides of the recess 312. For example, the depression 312 includes a first side 3121 and a second side 3122, with the first side 3121 and the second side 3122 facing away from each other.

Specifically, the light entering the base 31 from the first side 312 is transmitted in the clockwise direction X, the light entering the base 31 from the second side 3122 is transmitted in the counterclockwise direction Y, and when the light passes through the optical element 33, a reflection phenomenon and a refraction phenomenon occur on the optical element 33. The light rays are reflected after passing through the optical element 33 and emitted from the first surface 311 or the second surface 313, the refracted light rays pass through the optical element 33 and are continuously transmitted along the clockwise direction X or the counterclockwise direction Y of the substrate 31 to enter the next optical element 33 until the light rays on the two sides are converged, so that the light source 10 is arranged on one point, and the annular light emitting effect of the substrate 31 is realized based on the refraction and reflection of the light.

In some embodiments, the refractive index of the matrix 31 is greater than the refractive index of the optical element 33.

Referring to fig. 1 and 3, specifically, when the light emitted from the light source 10 enters the optical element 33 from the substrate 31, the incident angle α 0 is smaller than the refraction angle α 1, and the reflected light exits from the first surface 311 or the second surface 313 of the substrate 31. When the light entering the optical element 33 is refracted out of the optical element 33 again, and since the refractive index of the optical element 33 is smaller than that of the substrate 31, and the refraction angle α 3 is smaller than the incident angle α 4, it is ensured that the subsequent optical element 33 can receive the light refracted out by the previous optical element 33, so that the light emitted by the light source 10 can be transmitted in the circumferential direction along the clockwise direction X and the counterclockwise direction Y of the substrate 31, and the light emitting device 100 can realize the ring-shaped light effect.

In some embodiments, the substrate 31 may be made of Acrylonitrile Butadiene Styrene (ABS), polymethyl methacrylate (PMMA), Polystyrene (PS), or Polycarbonate (PC), and the like, and the light transmittance of these materials may reach more than 80%, so that the substrate 31 can transmit the light emitted from the light source 10 after being reflected by the optical element 33, and the upward or downward light emitting effect of the substrate ring 30 is achieved.

In some embodiments, the optical element 33 may also be made of ABS, PMMA, PS, PC, or the like. In practical applications, the optical element 33 is made of a material different from that of the substrate 31 to ensure that the refractive index of the optical element 33 is smaller than that of the substrate 31. For example, when the substrate 31 is made of ABS material, the refractive index of the ABS material is 1.57, and in order to ensure that the refractive index of the optical element 33 is less than 1.57, PMMA with a refractive index in the range of 1.48-1.52 may be selected as the material of the optical element 33.

Referring to fig. 1 and 2, in some embodiments, the substrate 31 is symmetrical about a line oo1 between the center of the recess 312 and the light ray junction.

Specifically, when the light emitted from the light source 10 enters the base 31 from the first side 3121 and the second side 3122 of the recess 312, the light may converge at a position far away from the recess 312 in the base 31, where the light convergence is a point where a line connecting the center of the base 31 and the recess 312 extends to a point of intersection with the base 31, and the base 31 is symmetrical to the line oo1 at the light convergence about the center of the recess 312, so that the light emitted from the light source 10 enters the base 31 from the first side 3121 and the second side 3122 along the same length of the path, and the light transmitted from the side of the base 31 is prevented from being transmitted along the long path and being unable to form a circular transmission.

Further, the optical elements 33 embedded in the substrate 31 and distributed on both sides of the substrate 31 are also symmetrical with respect to the connecting line oo1, so that the light rays on both sides keep the same transmission path as much as possible, thereby ensuring that the light source 10 can form a uniform ring light effect through the substrate 31.

Referring to fig. 4, in some embodiments, between the recess 312 and the light junction, the substrate 31 includes an incident section 314, a transmission section 315 and a junction section 316 connected in sequence, and the optical element 33 is disposed in the transmission section 315.

The incident section 314 is used for transmitting the light emitted by the light source 10 to the transmission section 315, the optical element 33 is used for transmitting the light transmitted to the transmission section 315 to the merging section 316, and part of the light emitted by the light source 10 exits from the first face 311 or the second face 313.

Specifically, the base 31 on both sides of the wiring oo1 includes an incident section 314, a transmission section 315, and a merged section 316, and the incident section 314, the transmission section 315, and the merged section 316 on both sides are symmetrical with respect to the wiring oo 1. For example, when light emitted from the light source 10 enters the incident segment 314 from the first side 3121 of the recess 312, the light in the incident segment 314 is reflected by the second surface 313 of the substrate 31 to the first surface 311, and is refracted out at the first surface 311; alternatively, the light rays in the incident section 314 may be reflected by the first surface 311 to the second surface 313 of the substrate 31, and thus refracted out at the second surface 313. After the light emitted from the light source 10 enters the incident section 314, part of the light continues to be transmitted into the transmission section 315 along the clockwise direction X, the optical element 33 in the transmission section 315 reflects the light to the first surface 311 or the second surface 313, and the refraction effect of the optical element 33 can enable the light to continue to be transmitted along the clockwise direction X until the light is transmitted to the merging section 316. Since there is no optical element 33 in the merging section 316, the light will not be transmitted along the clockwise direction X or the counterclockwise direction Y, and can be refracted directly from the first surface 311 or the second surface 313 after being refracted by the last optical element 33 in the transmission section 315.

Further, the length of the incident section 314 extending along the clockwise direction X or the counterclockwise direction Y is as short as possible, thereby ensuring that the light intensity of the light passing through the incident section 314 is sufficient to reach the converging section 316 through the transmission section 315, so that the light emitting device 100 can form an annular light effect.

Referring to fig. 5 and 6, in some embodiments, the optical element 33 includes a triangular prism structure, and specifically, the optical element 33 includes a top surface 331, a bottom surface 332, a first side surface 333, a second side surface 334, and a third side surface 335, and the first side surface 333, the second side surface 334, and the third side surface 335 are connected end to end and are all connected to the top surface 331 and the bottom surface 332, where the first side surface 333 has a largest area, and a portion of light can be refracted into the optical element 33 through the first side surface 333, and reflected to the second surface 313 or the first surface 311, and the light refracted into the optical element 33 is refracted out of the optical element 33 through the third side surface 335.

More specifically, the optical element 33 may be a prism for reflecting or refracting light irradiated onto the optical element 33, and the prism may include, but is not limited to, a triangular prism structure, and when the optical element 33 is structured in a triangular prism structure, the top surface 331 and the bottom surface 332 of the optical element 33 are opposed, and when the optical element 33 is embedded in the base 31, the top surface 331 and the bottom surface 332 are opposed to the inner surface and the outer surface of the base 31, respectively. The area of the first side surface 333 is the largest, and the first side surface 333 faces the side where the light is incident, so that more light can be reflected to the second surface 313 or the first surface 311, and more light can be refracted to the next optical element 33.

In one embodiment, when the light irradiated onto the optical element 33 is reflected by the first side surface 333 to the second side surface 313, the second side surface 334 of the optical element 33 is parallel to the first side surface 311 and closer to the first side surface 311, the first side surface 333 faces the incident section 314, when the light is reflected by the first side surface 333, the reflected light exits from the second side surface 313, and the light refracted into the optical element 33 is refracted to the next optical element 33 through the third side surface 335, thereby realizing the upward light emitting effect of the substrate 31.

In another embodiment, when the light irradiated onto the optical element 33 is reflected by the first side surface 333 to the first surface 311, the second side surface 334 of the optical element 33 is parallel to the first surface 311 and is closer to the second surface 313, the first side surface 333 faces the incident section 314, when the light is irradiated onto the first side surface 333 and is reflected, the reflected light exits from the first surface 311, and the light refracted into the optical element 33 is refracted to the next optical element 33 through the third side surface 335, so as to realize the downward light emitting effect of the substrate 31. Alternatively, the second side 334 of the optical element 33 is perpendicular to the first surface 311, the third side 335 is parallel to the first surface 311 and is closer to the second surface 313, the first side 333 faces the incident section 314, when the light irradiates the first side 333 and is reflected, the reflected light is also emitted from the first surface 311, and the light refracted into the optical element 33 is refracted to the next optical element 33 through the second side 334, so as to realize the downward light emitting effect of the substrate 31.

Preferably, one section of the optical element 33 is an isosceles right triangle, wherein the section is a plane parallel to the top surface 331, and the hypotenuse of the isosceles right triangle faces the incident section 314, so that light rays impinging on the optical element 33 are more reflected to the first surface 311 or the second surface 313, and more light rays are refracted to the next optical element 33.

Referring to fig. 6, in some embodiments, when a portion of the light is reflected to the second surface 313 through the first side surface 333, the first surface 311 of the incident section 314 may be provided with a concave-convex structure 317, and/or the first surface 311 of the converging section 316 may be provided with a concave-convex structure 317; when part of the light is reflected to the first face 311 through the first side surface 333, the second face 313 of the incident section 314 may be provided with a concave-convex structure 317, and/or the second face 313 of the merging section 316 may be provided with a concave-convex structure 317.

Referring to fig. 7, specifically, the protrusions or the grooves formed by the first surface 311 or the second surface 313 of the substrate 31 may be etched, that is, the concave-convex structure 317, and light is transmitted along the clockwise direction X (shown in fig. 4) or the counterclockwise direction Y of the substrate 31 after being reflected for multiple times on the surfaces of the protrusions or the grooves.

For example, in order to realize the upward (second face 313) annular light emitting effect of the base 31, the concave-convex structure 317 may be provided on the first face 311 of the incident section 314. Alternatively, the relief 317 is provided on the first face 311 of the merging section 316. Alternatively, the concave-convex structure 317 is disposed on the first surface 311 of the incident section 314 and the first surface 311 of the merging section 316, so as to enhance the diffuse reflection effect of the light in the incident section 314 on the first surface 311 and the light in the merging section 316 on the first surface 311, and prevent the light entering the merging section 316 from continuing to transmit along the clockwise direction X and the counterclockwise direction Y.

Likewise, in order to realize the downward (first face 311) ring light emission effect of the base 31, the concave-convex structure 317 is provided on the second face 313 of the incident section 314. Alternatively, the relief structure 317 is provided on the second face 313 of the merging section 316. Or, the concave-convex structure 317 is arranged on the second surface 313 of the incident section 314 and the second surface 313 of the merging section 316, so that the diffuse reflection effect of the light rays in the incident section 314 on the second surface 313 and the light rays of the merging section 316 on the second surface 313 is enhanced, and the light rays entering the merging section 316 are prevented from being transmitted along the clockwise direction X and the counterclockwise direction Y.

To take the example of partial light reflected to the second surface 313 as an example, in order to ensure that more light remains in the substrate 31 and enters the transmission section 315, and to avoid most of the light from being directly refracted out of the substrate 31 from the first surface 311 and lost, and the light intensity is greatly reduced, the first surface 311 at the incident section 314 is subjected to texturing processing, so that the first surface 311 of the incident section 314 has a concave-convex structure 317, the concave-convex structure 317 makes the surface of the first surface 311 of the incident section 314 rough, and enhances the diffuse reflection effect of the light in the incident section 313 on the first surface 311, when the light irradiated on the concave-convex structure 317 is reflected, most of the light is reflected along the clockwise direction X or the counterclockwise direction Y, so as to transmit more light to the transmission section 315, and ensure that the light emitted by the light source 10 (shown in fig. 4) can realize the annular light effect on the substrate 31.

In some embodiments, the plurality of optical elements 33 are sequentially arranged in the transmission section 315 in the extending direction of the transmission section 315.

Referring to fig. 4 to fig. 6, specifically, taking an example that the light emitted from the light source 10 is transmitted in the clockwise direction X on one side of the substrate 31 as an example, the plurality of optical elements 33 are in the extending direction of the transmission section 315, the optical elements 33 are non-uniformly disposed in the transmission section 315, and in the direction from the incident section 314 to the merging section 316, the light refracted by the optical element 33 to the next optical element 33 is gradually weakened, in order to ensure the uniformity of the light at various positions of the substrate 31, the distribution of the light is gradually dense as the optical elements 33 closer to the merging section 316 are, so that the light emitted from the light source 10 can be transmitted to the merging section 316 through the optical elements 33, and the ring-shaped light effect of the light emitting device 100 is achieved.

Further, in the direction from the incident section 314 to the merging section 316, the volume of the optical element 33 may gradually increase; alternatively, the transmission segment 315 may include a first sub-segment 3151 and a second sub-segment 3152 that are contiguous, and the volume of each optical element 33 in the first sub-segment 3151 may be the same, and the volume of the plurality of optical elements 33 in the second sub-segment 3152 may gradually increase in a direction into the merged segment 316 in the second sub-segment 3152.

Thus, when one cross-section of an optical element 33 is an isosceles right triangle, the volume of the optical element 33 in the transmission segment 315 gradually increases such that the longer the legs of the isosceles right triangle, the higher the height that the first side surface 333 of the latter optical element 33 extends from the first surface 311 to the second surface 313. As the light travels within the transmission segment 315, the light refracted by the optical element 33 to the next optical element 33 travels closer to the second face 313, and the subsequent optical element 33 can better receive the light refracted by the previous optical element 33.

Alternatively, when the diameter of the substrate 31 is small, the volume of the optical elements 33 within the second sub-segment 3152 of the transmission segment 315 may be arranged to gradually increase, while the volume of the optical elements 33 within the first sub-segment 3151 is the same and smaller than the volume of the optical elements 33 within the second sub-segment 3152.

In some embodiments, in the direction from the incident section 314 to the merging section 316, the slope of the first surface 311 gradually increases to form a curved surface, and the distribution of the optical elements 33 gradually increases, so that the optical elements 33 closer to the merging section 316 can receive the light refracted by the optical element 33 in front, and then reflect the light to the second surface 313. In addition, the slope of the first surface 311 gradually increases, so that the first surface 311 forms a slope plane, and thus, the distance from the optical element 33 close to the merging section 316 to the second surface 313 is shorter, which can properly compensate for the loss of light in the transmission process, and ensure the uniformity of the overall lighting effect of the substrate 31.

Likewise, when the diameter of the substrate 31 is small, the slope of the first surface 311 of the first sub-segment 3151 may be the same, and in the direction from the second sub-segment 3152 to the merged segment 316, the slope of the first surface 311 of the second sub-segment 3152 gradually increases, and the distribution of the optical elements 33 also gradually becomes dense. Therefore, the loss of light in the transmission process can be properly compensated, and the uniformity of the whole lighting effect of the base body 31 is ensured.

In addition, it should be noted that when the light emitted from the light source 10 exits from the second surface 313, the slope of the first surface 311 gradually increases in the direction from the transmission section 315 to the merging section 316, and the first surface 311 gets closer to the second surface 313. When the light emitted from the light source 10 exits from the first surface 311, the slope of the first surface 311 gradually increases in the direction from the transmission section 315 to the merging section 316, and at this time, the first surface 311 is further away from the second surface 313.

Referring to fig. 8, in some embodiments, the light emitting device 100 may further include a power board 50, and the power board 50 is electrically connected to the light source 10 through a wire to supply power to the light source 10.

The present application further provides a household appliance 1000, wherein the household appliance 1000 includes a base 300, a light-transmitting panel 400, a heating assembly 500 and the light-emitting device 100 of any of the above embodiments. The base 300 is provided with a receiving cavity 301. The panel 400 is mounted on the top of the base 300. The heating element 500 is accommodated in the accommodating cavity 301 and generates heat. The light emitting device 100 is installed in the receiving cavity 301 and surrounds the heating element 500, and the panel 400 transmits light emitted from the first surface 311 or the second surface 313 of the substrate 31.

The household appliance 1000 includes an induction cooker in which the light emitting device 100 is applied. The base 300 has a receiving cavity 301, and the heating element 500 and the light emitting device 100 are both concentrated in the receiving cavity 301. Meanwhile, the base 300 also functions to carry the heating assembly 500 and the light emitting device 100.

Referring to fig. 8 and 9, a transparent panel 400 is mounted on the top of the base 300 for sealing the receiving cavity 301. The light emitted from the light emitting device 100 can transmit the panel 400, so that the household appliance 1000 exhibits various light effects through the light emitting device 100. The panel 400 may include a heat-resistant ceramic panel or a microcrystalline panel, and may be transparent to light. For example, when the light emitting device 100 is in an operating state, the light source 10 in the light emitting device 100 generates a ring-shaped light through the base 31 and passes through the panel 400, and finally, an annular region is formed on the surface of the panel 400, and the annular region can be used for reminding a user whether the household appliance 1000 is operating or not, so as to prevent accidents.

In addition, the annular region and the annular region form a circular region, since the light emitting device 100 surrounds the heating assembly 500, when the heating assembly 500 and the light emitting device 100 work simultaneously, a user can know the heating region of the household appliance 1000 through the circular region, so that the user can correctly place a pot to sufficiently heat the pot.

Further, the light sources 10 in the light emitting device 100 may employ LED lamps to achieve different color light effects of the light emitting device 100. The household appliance 1000 can correspond to the light of different colors by setting different power gears, so that a user can distinguish different powers more intuitively.

In one embodiment, the heating assembly 500 may include a coil plate, and the household appliance generates a magnetic field by supplying an alternating current to the coil plate, and magnetic lines of force in the magnetic field pass through the bottom of the pot to generate eddy current, so that the bottom of the pot is heated rapidly to heat food.

Further, the household electrical appliance 1000 may add a heat insulation layer, such as foam material, fiber material, etc., between the heat generating component 500 and the light emitting device 100, so as to prevent heat generated during the operation of the heat generating component 500 from affecting the normal use of the light emitting device 100.

Referring to fig. 9, in some embodiments, the household appliance 1000 may further include a fixing member 600, the fixing member 600 includes a first end 601 and a second end 602 opposite to each other, the first end 601 is mounted to the base 300, and the second end 602 is used for supporting the substrate 31.

The first end 601 of the fixing member 600 can be fixedly installed on the base 300 by means of screws, welding, gluing, etc., and the second end 602 can be detachably connected with the light-emitting device 100, so as to replace the light-emitting device 100 after long-term use. The fixing member 600 fixes the light emitting device 100 to the base 300, and fixes the light emitting device 100 near the panel 400, so that the light emitted from the light emitting device 100 can better transmit through the panel 400.

Specifically, the second end 602 of the fixing member 600 is provided with an opening 6021 and is formed with two oppositely spaced clamping jaws 6022, the base 31 of the light-emitting device 100 is accommodated in the opening 6021, and the clamping jaws 6022 are used for clamping the base 31. The second end 602 can play a role in supporting the substrate 31 and also can play a role in limiting, so as to prevent the substrate 31 from colliding with the heating assembly 500.

Specifically, the fixing member 600 may be made of a polypropylene (PP) material having high heat resistance, which may effectively prevent the fixing member 600 from being damaged during the heating process of the heating assembly 500.

In one embodiment, the number of the fixing members 600 may include a plurality, and a plurality of the fixing members 600 are uniformly distributed around the heating assembly 500. For example, the number of the fixing member 600 may include two, three, or more than three, which is not limited thereto. Preferably, the number of the fixing members 600 is three, and the three fixing members 600 are uniformly distributed around the heating assembly 500, so that the fixing members 600 can more stably support the base body 31 to prevent the base body 31 from falling.

Specifically, the light source 10 of the light emitting device 100 may be placed at the opening 6021 of the second end 602 and electrically connected to the power board 50 of the light emitting device 100 via the clamping jaw 6022 proximate to the side of the heating assembly 500.

In the light emitting device 100 and the household appliance 1000 of the present application, the light emitting device 100 is installed in the household appliance 1000, the light source 10 is installed in the recess 312 of the base 31, the light emitted by the light source 10 enters the base 31 from the two opposite sides of the recess 312, the light on one side is transmitted along the clockwise direction X of the base 31, the light on the other side is transmitted along the counterclockwise direction Y of the base 31 and is converged with the light transmitted along the clockwise direction X, wherein the optical element 33 in the base 31 emits part of the light from the first surface 311 or the second surface 313 of the base 31, and refracts part of the light from the optical element 33 to continue to be transmitted along the counterclockwise direction Y or the clockwise direction X. The optical element 33 is disposed to emit and refract light emitted from the light source 10 within the substrate 31, thereby realizing a ring light effect, and the light emitting device 100 has a simple structure and is easy to install and wire.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art within the scope of the present application.

Claims (15)

1. A light-emitting device, comprising:

one or more light sources for emitting light; and

the transparent base body ring comprises an annular base body and a plurality of optical elements embedded in the base body, a recess is formed in a first surface of the base body, the light source is installed in the recess, light rays emitted by the light source enter the base body from two sides of the recess, which are opposite to each other, the optical elements are used for reflecting part of the light rays to enable part of the light rays to be emitted from the first surface or a second surface of the base body, and refracting part of the light rays at two sides to enable part of the light rays to be transmitted and converged along the extending direction of the base body, and the first surface and the second surface are opposite to each other.

2. The light-emitting device according to claim 1, wherein the light entering the substrate from one side of the recess is transmitted in a clockwise direction of the substrate, and the light entering the substrate from the other side of the recess is transmitted in a counterclockwise direction of the substrate until the light meets the light transmitted in the clockwise direction.

3. The light-emitting device according to claim 1, wherein a refractive index of the base is larger than a refractive index of the optical element.

4. The light-emitting device according to claim 1, wherein the substrate is symmetrical about a line connecting a center of the recess and a light ray junction.

5. The light-emitting device according to claim 1, wherein between the recess and the light junction, the base includes an incident section, a transmission section and a junction section, the optical element is disposed on the transmission section, the incident section is configured to transmit the light emitted from the light source to the transmission section, the optical element is configured to transmit the light transmitted to the transmission section to the junction section, and a portion of the light emitted from the light source exits from the first surface or the second surface.

6. The apparatus of claim 5, wherein the optical element comprises a triangular prism structure, the optical element comprises a top surface, a bottom surface, a first side surface, a second side surface, and a third side surface, the first side surface, the second side surface, and the third side surface are sequentially connected end to end and are all connected to the top surface and the bottom surface, the first side surface with the largest area is used for refracting a portion of the light to enter the optical element, the first side surface is used for reflecting a portion of the light to the second surface or the first surface, and the third side surface is used for refracting the light entering the optical element.

7. The light-emitting device according to claim 6, wherein the cross section of the optical element is an isosceles right triangle, and the hypotenuse of the isosceles right triangle faces the incident section.

8. The light-emitting device according to claim 6, wherein when the first side surface reflects part of the light to the second side surface, the first side surface of the incident section is provided with a concave-convex structure, and/or the first side surface of the merging section is provided with a concave-convex structure; when the first side surface reflects part of the light to the first surface, the second surface of the incident section is provided with a concave-convex structure, and/or the second surface of the converging section is provided with a concave-convex structure.

9. The lighting device according to claim 6, wherein a plurality of the optical elements are arranged in sequence along an extending direction of the transmission section.

10. The lighting device according to claim 9,

the volume of the optical element is gradually increased in the direction from the incident section to the merging section; or

The transmission section comprises a first subsegment and a second subsegment which are connected, the volume of each optical element in the first subsegment is the same, and the volumes of a plurality of optical elements in the second subsegment are gradually increased in the direction from the second subsegment to the confluence section.

11. The light-emitting device according to claim 9, wherein in a direction from the incident section to the merging section, a slope of the first surface gradually increases to form a curved surface, and a distribution of the optical elements gradually becomes dense; or

The transmission section comprises a first subsegment and a second subsegment which are connected, the slope of the first face of the first subsegment is the same, in the direction from the second subsegment to the confluence section, the slope of the first face of the second subsegment is gradually increased, and the distribution of the optical elements is gradually dense.

12. The lighting device of claim 1, further comprising a power strip electrically connected to the light source.

13. A household appliance, characterized in that it comprises:

the base is provided with an accommodating cavity;

a light-transmitting panel mounted on top of the base;

the heating assembly is accommodated in the accommodating cavity and used for generating heat; and

the lighting device of any one of claims 1-12, wherein the lighting device is mounted in the cavity and surrounds the heating element, and the panel is transparent to light emitted from the first side or the second side.

14. The household appliance of claim 13, further comprising a fixture including first and second opposite ends, the first end being mounted to the base and the second end being configured to support the substrate.

15. The appliance of claim 14, wherein the second end defines an opening and is formed with two opposed spaced jaws, the substrate being received in the opening, the jaws being adapted to grip the substrate.

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