Freezer illumination device and freezer

Abstract

The utility model relates to the technical field of refrigerators, and discloses a device for refrigerator lighting. The device comprises a light guide cover and a lamp strip. According to the refrigerator illumination device, the refrigerator illumination device is assembled in the lamp groove of the refrigerator, the lamp strip is arranged in the mounting groove of the light guide cover, and the illumination surface of the lamp strip faces the light reflection cavity, so that under the condition that the refrigerator illumination device is assembled in the refrigerator for use, the light emitted by the lamp strip enters the light reflection cavity, and the illumination surface of the lamp strip faces the light reflection cavity; light rays are continuously reflected in the light reflecting cavity and finally irradiate outwards through the side wall, corresponding to the light reflecting cavity, of the light guide cover, the irradiated point-shaped light is converted into uniform planar light, the uniformity of light ray irradiation is improved, and the illumination effect on objects is improved. The utility model further discloses the refrigerator.

Description

Technical Field

[0001] The present application relates to the technical field of refrigerators, for example, to a device for refrigerator lighting and a refrigerator. Background Art

[0002] At present, refrigerators, also known as refrigerated display cabinets or freezers, are equipment used to store and display food, beverages or other items that need to be kept in a low temperature environment. According to different uses and functions, refrigerators can be divided into vertical refrigerators, horizontal refrigerators, island refrigerators, beverage refrigerated display cabinets, ice cream display cabinets and other types. Lighting bulbs need to be installed inside the refrigerator to illuminate the items stored in the refrigerator. However, the bulbs are large in size and take up more space in the refrigerator.

[0003] In the related art, there is a lighting device for a refrigerator, which is characterized by comprising: a cabinet, one side wall of which is open, and a mounting groove is provided at the edge of the open side; a light belt is provided in the mounting groove, and evenly arranged lamp beads are provided on the light belt; and a lampshade is provided on the mounting groove. The light belt is provided at the open side of the cabinet, and the lamp beads on the light belt illuminate the items stored in the cabinet through the lampshade. The light belt is relatively small in size, which reduces the space occupied in the refrigerator.

[0004] In the process of implementing the embodiments of the present disclosure, it is found that there are at least the following problems in the related art:

[0005] The lamp beads shine on the lampshade to present a dotted light spot, which makes the light radiated outward from the lampshade uneven and reduces the lighting effect on objects.

[0006] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present application, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0007] In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not an extensive review, nor is it intended to identify key / critical components or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

[0008] The embodiments of the present disclosure provide a device for refrigerator lighting and a refrigerator to improve the lighting effect on items.

[0009] In some embodiments, a device for refrigerator lighting includes: a light guide cover and a light strip. The light guide cover is provided with a mounting groove and a reflective cavity; the light strip is arranged in the mounting groove, and the irradiation surface of the light strip is arranged toward the reflective cavity; wherein, when the device for refrigerator lighting is assembled in the refrigerator for use, after the light emitted by the light strip enters the reflective cavity, the light is continuously reflected in the reflective cavity, and finally irradiates outward through a side wall of the light guide cover corresponding to the reflective cavity.

[0010] Optionally, a convex corner is provided on one side of the lower end of the light guide cover, and the convex corner extends into the reflective cavity.

[0011] Optionally, the convex corner is arranged at the lower end of another side wall opposite to the side wall of the light guide cover irradiating the light.

[0012] Optionally, a first light reflecting layer is provided on the side wall of the convex corner.

[0013] Optionally, the length of the convex corner in the horizontal direction is less than or equal to one half of the length of the light guide cover in the horizontal direction, and greater than or equal to one fifth of the length of the light guide cover in the horizontal direction.

[0014] Optionally, the length of the reflective cavity along the vertical direction is greater than or equal to one fifth of the length of the light guide cover along the vertical direction, and less than or equal to four fifths of the length of the light guide cover along the vertical direction.

[0015] Optionally, the lower side of the light strip is higher than the lower side of the mounting groove.

[0016] Optionally, a reflective plate is provided on the light strip.

[0017] Optionally, a cover plate is provided on the mounting slot.

[0018] In some embodiments, a refrigerator comprises: a device for refrigerator lighting according to any one of the above embodiments.

[0019] The device for refrigerator lighting and the refrigerator provided by the embodiments of the present disclosure can achieve the following technical effects:

[0020] The device for refrigerator lighting is installed in the lamp trough of the refrigerator. Since the light strip is arranged in the installation groove of the light guide cover and the irradiation surface of the light strip is arranged toward the reflective cavity, when the device for refrigerator lighting is installed in the refrigerator and used, after the light emitted by the light strip enters the reflective cavity, the light is continuously reflected in the reflective cavity and finally irradiates outward through a side wall of the light guide cover corresponding to the reflective cavity. The point light emitted is transformed into uniform surface light, thereby improving the uniformity of light irradiation and improving the illuminating effect on objects.

[0021] The above general description and the following description are exemplary and explanatory only and are not intended to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] One or more embodiments are exemplarily described by corresponding drawings, which do not limit the embodiments. Elements with the same reference numerals in the drawings are shown as similar elements, and the drawings do not constitute a scale limitation, and wherein:

[0023] Figure 1 is a structural schematic diagram of a device for refrigerator lighting provided by an embodiment of the present disclosure;

[0024] Figure 2 is a schematic structural diagram of another device for refrigerator lighting provided by an embodiment of the present disclosure;

[0025] Figure 3 is a schematic structural diagram of another device for refrigerator lighting provided by an embodiment of the present disclosure;

[0026] Figure 4 is a schematic structural diagram of another device for refrigerator lighting provided by an embodiment of the present disclosure;

[0027] Figure 5 is a schematic structural diagram of another device for refrigerator lighting provided by an embodiment of the present disclosure;

[0028] Figure 6 is a schematic structural diagram of another device for refrigerator lighting provided by an embodiment of the present disclosure;

[0029] Figure 7 It is a schematic diagram of the structure of a refrigerator provided in an embodiment of the present disclosure.

[0030] Reference numerals:

[0031] 100, light guide cover; 110, first side wall; 120, convex corner; 121, first reflective layer; 200, light strip; 210, mounting groove; 220, reflective cavity; 221, second reflective layer; 222, first light cavity; 223, second light cavity; 230, reflective plate; 240, cover plate; 300, fluorescent liquid; 310, partition; 400, cabinet; 410, light trough. DETAILED DESCRIPTION

[0032] In order to be able to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure is described in detail below in conjunction with the accompanying drawings. The attached drawings are for reference only and are not used to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, a full understanding of the disclosed embodiments is provided through multiple details. However, one or more embodiments can still be implemented without these details. In other cases, to simplify the drawings, well-known structures and devices can be simplified for display.

[0033] The terms "first", "second", etc. in the specification and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged where appropriate, so that the embodiments of the embodiments of the present disclosure described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0034] In the embodiments of the present disclosure, the terms "upper", "lower", "inside", "middle", "outside", "front", "back" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. These terms are mainly intended to better describe the embodiments of the present disclosure and their embodiments, and are not intended to limit the indicated devices, elements or components to have a specific direction, or to be constructed and operated in a specific direction. Moreover, in addition to being used to indicate directions or positional relationships, some of the above terms may also be used to indicate other meanings. For example, the term "upper" may also be used to indicate a certain dependency or connection relationship in certain circumstances. For those of ordinary skill in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0035] In addition, the terms "disposed", "connected", and "fixed" should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0036] Unless otherwise stated, the term "plurality" means two or more.

[0037] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

[0038] Combination Figure 1 As shown, the embodiment of the present disclosure provides a device for refrigerator lighting, comprising: a light guide cover 100 and a light strip 200. The light guide cover 100 is provided with a mounting groove 210 and a reflective cavity 220; the light strip 200 is arranged in the mounting groove 210, and the irradiation surface of the light strip 200 is arranged toward the reflective cavity 220; wherein, when the device for refrigerator lighting is assembled in the refrigerator for use, after the light emitted by the light strip 200 enters the reflective cavity 220, the light is continuously reflected in the reflective cavity 220, and finally irradiates outward through a side wall of the light guide cover 100 corresponding to the reflective cavity 220.

[0039] The device for refrigerator lighting provided by the embodiment of the present disclosure is used and installed in the lamp trough 410 of the refrigerator. Since the light strip 200 is arranged in the installation groove 210 of the light guide cover 100, and the irradiation surface of the light strip 200 is arranged toward the reflective cavity 220, when the device for refrigerator lighting is installed in the refrigerator for use, after the light emitted by the light strip 200 enters the reflective cavity 220, the light is continuously reflected in the reflective cavity 220, and finally irradiates outward through a side wall of the light guide cover 100 corresponding to the reflective cavity 220, and the illuminated point light is converted into uniform surface light, thereby improving the uniformity of light irradiation and improving the lighting effect on objects.

[0040] Combination Figure 2 As shown, specifically, the side wall of the light guide cover 100 irradiating outward is the first side wall 110. Thus, after the light emitted by the light strip 200 enters the reflective cavity 220, the light is continuously reflected in the reflective cavity 220 and finally irradiates outward through the first side wall 110.

[0041] Optionally, the light guide cover 100 may be made of acrylic (acrylic plastic) material. In this way, the light guide cover 100 made of acrylic material has good light transmittance, reduces light blocking, and improves the lighting effect on the interior of the refrigerator.

[0042] It is understandable that the light guide cover 100 can also be made of PP (Polypropylene) or PS (Polystyrene).

[0043] It can be understood that the light strip 200 is an LED light strip 200 .

[0044] Optionally, the mounting groove 210 is disposed at the upper end of the light guide cover 100. In this way, the mounting groove 210 is relatively high, and the installation position of the light strip 200 is relatively high, which increases the irradiation range of the irradiation surface of the light strip 200 and improves the lighting effect.

[0045] Optionally, the reflective cavity 220 is disposed at the lower end of the light guide 100. In this way, the reflective cavity 220 is located below the mounting groove 210, and the light emitted by the light strip 200 is irradiated to the reflective cavity 220 with a relatively good effect. After the light enters the reflective cavity 220, the light is continuously reflected in the reflective cavity 220, and finally irradiates outward through a side wall of the light guide 100 corresponding to the reflective cavity 220, and the irradiated point light is transformed into uniform planar light, thereby improving the uniformity of light irradiation and improving the illuminating effect on the object.

[0046] Optionally, the light strip 200 is located directly above the reflective cavity 220. In this way, among the light emitted by the light strip 200 in the mounting groove 210, the light directly below the light strip 200 is relatively more and the brightness is relatively higher. Since the light strip 200 is located directly above the reflective cavity 220, after the light enters the reflective cavity 220, the light is continuously reflected in the reflective cavity 220, and finally irradiates outward through a side wall of the light guide cover 100 corresponding to the reflective cavity 220, and the irradiation effect is better.

[0047] Optionally, the cross section of the light guide cover 100 along the horizontal direction is rectangular, so that the shape of the light guide cover 100 is more regular and the assembly is more convenient.

[0048] Optionally, the cross section of the reflective cavity 220 along the horizontal direction is rectangular. In this way, the shape of the reflective cavity 220 is relatively regular, corresponding to the shape of the light guide cover 100, and it is easier to design and arrange the reflective cavity 220 on the light guide cover 100.

[0049] Optionally, a convex angle 120 is provided on one side of the lower end of the light guide cover 100, and the convex angle 120 extends into the reflective cavity 220. In this way, after the light emitted by the light strip 200 enters the reflective cavity 220, the light is continuously reflected in the reflective cavity 220, and the light irradiated on the side wall of the convex angle 120 located in the reflective cavity 220 is reflected by the side wall of the convex angle 120 located in the reflective cavity 220, and part of the light is irradiated outward through a side wall of the light guide cover 100 corresponding to the reflective cavity 220, thereby improving the lighting effect on the items in the refrigerator.

[0050] Combination Figure 2 As shown, specifically, the convex corner 120 is a right-angled convex corner 120 .

[0051] Combination Figure 3 As shown, specifically, the convex corner 120 is an arc-shaped convex corner 120. In this way, when the arc-shaped convex corner 120 reflects light, the angle range of reflection is larger and the reflected light is more uniform.

[0052] Optionally, the convex corner 120 is disposed at the lower end of the other side wall opposite to the side wall of the light guide 100 that irradiates the light. In this way, after the light emitted by the light strip 200 enters the reflective cavity 220, the light is continuously reflected in the reflective cavity 220, and the light irradiated on the side wall of the convex corner 120 located in the reflective cavity 220 will be reflected again. Since the convex corner 120 is disposed at the lower end of the other side wall opposite to the side wall of the light guide 100 that irradiates the light, the light that is reflected again and directed to the side wall of the light guide 100 that irradiates the light is relatively more, thereby improving the lighting effect on the object.

[0053] Combination Figure 4As shown, optionally, a first light reflecting layer 121 is provided on the side wall of the convex corner 120. Thus, by providing the first light reflecting layer 121 on the side wall of the convex corner 120, the effect of reflecting light by the side wall of the convex corner 120 is improved, thereby improving the lighting effect on the object.

[0054] Optionally, a first reflective layer 121 is provided on the side wall of the convex corner 120 extending into the reflective cavity 220. In this way, the side wall area of ​​the convex corner 120 extending into the reflective cavity 220 is relatively large, and the first reflective layer 121 is provided on the side wall, so that the area of ​​reflected light is larger and the reflection effect is better, thereby improving the lighting effect on the object.

[0055] Optionally, the side wall of the convex corner 120 outside the reflective cavity 220 is provided with a first reflective layer 121. In this way, the side wall of the convex corner 120 outside the reflective cavity 220 is relatively close to the outside, and it is relatively easy to provide the first reflective layer 121 on the side wall, thereby reducing production costs.

[0056] Optionally, the first light reflecting layer 121 is aluminum foil, which has a relatively high reflectivity and a relatively good light reflection effect.

[0057] Combination Figure 5 As shown, optionally, a second reflective layer 221 is provided on the inner side wall of the reflective cavity 220. Thus, by providing the second reflective layer 221 on the inner side wall of the reflective cavity 220, the light reflection effect in the reflective cavity 220 is improved, the brightness of the light guide cover 100 corresponding to the reflective cavity 220 irradiated outward is improved, and the lighting effect on the object is improved.

[0058] Specifically, a second reflective layer 221 is provided on the inner side wall of the reflective cavity 220 above the convex corner 120. Thus, the second reflective layer 221 improves the light reflection effect in the reflective cavity 220, improves the brightness of the side wall of the light guide cover 100 corresponding to the reflective cavity 220, and improves the lighting effect on the object.

[0059] Optionally, the second light reflecting layer 221 is aluminum foil, which has a relatively high reflectivity and a relatively good light reflection effect.

[0060] It can be understood that when a first reflective layer 121 is provided on the side wall of the convex corner 120 extending into the reflective cavity 220, and a second reflective layer 221 is provided on the inner side wall of the reflective cavity 220 located above the convex corner 120, the first reflective layer 121 and the second reflective layer 221 can be extended and connected together to increase the effect of reflecting light.

[0061] Optionally, the length of the convex angle 120 in the horizontal direction is less than or equal to one-half of the length of the light guide cover 100 in the horizontal direction, and greater than or equal to one-fifth of the length of the light guide cover 100 in the horizontal direction. In this way, when the length of the convex angle 120 in the horizontal direction is greater than one-half of the length of the light guide cover 100 in the horizontal direction, the length of the convex angle 120 in the horizontal direction is too long, which will occupy too much space in the reflective cavity 220, thereby reducing the effect of reflecting light. When the length of the convex angle 120 in the horizontal direction is less than one-fifth of the length of the light guide cover 100 in the horizontal direction, the length of the convex angle 120 in the horizontal direction is too small, and the reflection area is relatively small, thereby reducing the effect of reflecting light. It can be seen that the range in which the length of the convex angle 120 in the horizontal direction is less than or equal to one-half of the length of the light guide cover 100 in the horizontal direction, and greater than or equal to one-fifth of the length of the light guide cover 100 in the horizontal direction is more reasonable, reduces the occupation of the space in the reflective cavity 220, and the reflection area is relatively large, thereby improving the effect of reflecting light.

[0062] Specifically, the length of the convex corner 120 in the horizontal direction is equal to one third of the length of the light guide cover 100 in the horizontal direction. In this way, the occupation of the space in the reflective cavity 220 can be reduced, the reflection area is relatively large, and the effect of reflecting light is improved.

[0063] Optionally, the length of the reflective cavity 220 along the vertical direction is greater than or equal to one fifth of the length of the light guide cover 100 along the vertical direction, and less than or equal to four fifths of the length of the light guide cover 100 along the vertical direction. In this way, when the length of the reflective cavity 220 along the vertical direction is less than one fifth of the length of the light guide cover 100 along the vertical direction, the length of the reflective cavity 220 along the vertical direction is too short, the area of ​​the reflective cavity 220 is too small, and after the light enters the reflective cavity 220, the effect of reflecting the light is poor, and the risk of a dotted light spot is greater. When the length of the reflective cavity 220 along the vertical direction is greater than four fifths of the length of the light guide cover 100 along the vertical direction, the length occupied by the reflective cavity 220 is too long, which affects the structural strength of the light guide cover 100 and also occupies too much of the position of the mounting groove 210. It can be seen that the length of the reflective cavity 220 in the vertical direction is greater than or equal to one-fifth of the length of the light guide cover 100 in the vertical direction, and less than or equal to four-fifths of the length of the light guide cover 100 in the vertical direction, which is more reasonable, improves the effect of reflecting light, reduces the risk of appearing point-like light spots, and reduces the impact on the structural strength of the light guide cover 100.

[0064] Specifically, the length of the reflective cavity 220 along the vertical direction is equal to two fifths of the length of the light guide cover 100 along the vertical direction. In this way, the effect of reflecting light is improved, the risk of spot light spots is reduced, and the impact on the structural strength of the light guide cover 100 is reduced.

[0065] Optionally, the lower side of the light strip 200 is higher than the lower side of the mounting groove 210. In this way, there is a gap between the lower side of the light strip 200 and the lower side of the mounting groove 210, leaving a margin for the light strip 200 to be assembled in the mounting groove 210, and it is more convenient to install the light strip 200 in the mounting groove 210.

[0066] Optionally, the length of the light strip 200 in the horizontal direction is less than or equal to the length of the mounting groove 210 in the horizontal direction. In this way, when the light strip 200 is assembled in the mounting groove 210, the risk of the light strip 200 protruding from the surface of the light guide cover 100 is relatively low.

[0067] Combination Figure 6 As shown, optionally, a reflective plate 230 is provided on the light strip 200. In this way, the light emitted by the light strip 200 is reflected by the reflective plate 230 toward the reflective cavity 220, thereby increasing the amount of light irradiated toward the reflective cavity 220 and improving the brightness of illumination.

[0068] Optionally, a plurality of reflective plates 230 are provided, which are arranged below the light strip 200. In this way, by providing a plurality of reflective plates 230, the light emitted by the light strip 200 is reflected from different directions toward the reflective cavity 220, thereby increasing the amount of light irradiated toward the reflective cavity 220 and improving the brightness of illumination.

[0069] Specifically, two reflective plates 230 are provided and symmetrically arranged below the light strip 200 .

[0070] Optionally, the reflective plate 230 is made of stainless steel. In this way, the stainless steel surface is relatively smooth, the effect of reflecting light is relatively good, and the thermal conductivity is relatively good, which can improve the heat dissipation effect of the light strip 200.

[0071] Optionally, a cover plate 240 is provided on the mounting groove 210. Thus, by providing the cover plate 240 on the mounting groove 210, the risk of the light strip 200 being separated from the mounting groove 210 is reduced.

[0072] Optionally, a fluorescent liquid 300 is provided in the reflective cavity 220. In this way, after being irradiated, the fluorescent liquid 300 can provide emergency lighting for the object in a power outage state, thereby improving the user experience.

[0073] Optionally, a partition 310 is provided in the reflective cavity 220, the upper end of the partition 310 is connected to the light guide cover 100, and the lower end of the partition 310 is connected to the convex corner 120; wherein the reflective cavity 220 is divided into a first light cavity 222 and a second light cavity 223 by the partition 310, and a fluorescent liquid 300 is provided in the second light cavity 223. In this way, since the second light cavity 223 is provided with the fluorescent liquid 300, it can be ensured that the fluorescent liquid 300 can provide emergency lighting for the object, and the influence of the fluorescent liquid 300 on the reflected light in the reflective cavity 220 can also be reduced.

[0074] Specifically, the second light cavity 223 is disposed above the convex corner 120. In this way, the second light cavity 223 and the fluorescent liquid 300 in the second light cavity 223 are relatively far from the side wall of the light guide cover 100 irradiated outward, which can ensure that the fluorescent liquid 300 can provide emergency lighting for the object and reduce the influence of the fluorescent liquid 300 on the reflected light in the reflective cavity 220.

[0075] Specifically, the partition 310 is vertically arranged.

[0076] In some embodiments, a refrigerator comprises: a device for refrigerator lighting according to any one of the above embodiments.

[0077] A refrigerator provided by the embodiments of the present disclosure is adopted. Since the refrigerator includes the device for refrigerator lighting of any one of the above-mentioned embodiments, the device for refrigerator lighting is assembled in the lamp trough 410 of the refrigerator. Since the light strip 200 is arranged in the installation groove 210 of the light guide cover 100, and the irradiation surface of the light strip 200 is arranged toward the reflective cavity 220, when the device for refrigerator lighting is assembled in the refrigerator for use, after the light emitted by the light strip 200 enters the reflective cavity 220, the light is continuously reflected in the reflective cavity 220, and finally irradiated outward through a side wall of the light guide cover 100 corresponding to the reflective cavity 220, and the illuminated point light is converted into uniform surface light, thereby improving the uniformity of light irradiation and improving the lighting effect on the object.

[0078] Combination Figure 7 As shown, optionally, the refrigerator further includes: a cabinet body 400 and a light trough 410. The light trough 410 is arranged on the side wall of the cabinet body 400; wherein the device for refrigerator lighting is assembled in the light trough 410 for use. In this way, by assembling the device for refrigerator lighting in the light trough 410 for use, the connection stability is higher, and the risk of the device for refrigerator lighting falling off is reduced.

[0079] Optionally, there is a gap between the upper side of the light guide cover 100 and the inner side wall of the lamp trough 410. Thus, the gap between the upper side of the light guide cover 100 and the inner side wall of the lamp trough 410 provides an assembly margin for assembling the light guide cover 100 in the lamp trough 410, thereby reducing assembly difficulty.

[0080] It can be understood that the light guide cover 100 is assembled in the light groove 410 of the refrigerator, and the light groove 410 surrounds the mounting groove 210 part of the light guide cover 100 and the lower side of the light guide cover 100, exposing a part of the side wall of the light guide cover 100 to irradiate light outward.

[0081] The above description and the accompanying drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Unless explicitly required, individual components and functions are optional, and the order of operations may vary. Portions and features of some embodiments may be included in or replace portions and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying 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

1. A device for refrigerator lighting, characterized in that: include: A light guide cover (100) is provided with a mounting groove (210) and a reflective cavity (220) inside; A light strip (200) is arranged in the installation groove (210), and the irradiation surface of the light strip (200) is arranged toward the reflective cavity (220); When the device for refrigerator lighting is installed in a refrigerator for use, after the light emitted by the light strip (200) enters the reflective cavity (220), the light is continuously reflected in the reflective cavity (220) and finally radiates outwards through a side wall of the light guide cover (100) corresponding to the reflective cavity (220).

2. The device for refrigerator lighting according to claim 1, characterized in that: A convex corner (120) is provided on one side of the lower end of the light guide cover (100), and the convex corner (120) extends into the reflective cavity (220).

3. The device for refrigerator lighting according to claim 2, characterized in that: The convex corner (120) is arranged at the lower end of another side wall of the light guide cover (100) opposite to the side wall for irradiating light.

4. The device for refrigerator lighting according to claim 2, characterized in that: A first light reflecting layer (121) is provided on the side wall of the convex corner (120).

5. The device for refrigerator lighting according to claim 2, characterized in that: The length of the convex corner (120) in the horizontal direction is less than or equal to one half of the length of the light guide cover (100) in the horizontal direction, and greater than or equal to one fifth of the length of the light guide cover (100) in the horizontal direction.

6. The device for refrigerator lighting according to claim 1, characterized in that: The length of the reflective cavity (220) in the vertical direction is greater than or equal to one fifth of the length of the light guide cover (100) in the vertical direction, and less than or equal to four fifths of the length of the light guide cover (100) in the vertical direction.

7. The device for refrigerator lighting according to claim 1, characterized in that: The lower side surface of the light strip (200) is higher than the lower side surface of the mounting groove (210).

8. The device for refrigerator lighting according to any one of claims 1 to 7, characterized in that: A reflective plate (230) is provided on the light strip (200).

9. The device for refrigerator lighting according to any one of claims 1 to 7, characterized in that: A cover plate (240) is provided on the mounting groove (210).

10. A refrigerator, characterized in that: The invention comprises a device for refrigerator lighting as claimed in any one of claims 1 to 9.

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