Surface light source assembly and refrigerator

Abstract

The present disclosure provides a surface light source assembly and a refrigerator. The surface light source assembly comprises: a surface light source, a hanging structure is arranged on a first side of the surface light source along a first direction, and a first connecting hole is arranged on a second side of the surface light source along the first direction; and a back plate, the hanging structure is hung on an edge of a side of the back plate along the first direction, the surface light source is connected with the back plate through a first connecting piece penetrating the first connecting hole, the back plate is provided with a first limiting structure, the first limiting structure forms a stop groove with a plate surface of the back plate, and the stop groove is matched with an edge of the second side of the surface light source along the first direction y to limit displacement of the edge of the second side of the surface light source along the first direction along a second direction perpendicular to the first direction. The technical scheme of the present disclosure can improve the maintenance and replacement efficiency of the surface light source.

Description

Technical Field

[0001] This disclosure relates to the field of refrigerator structural design, and in particular to a surface light source assembly and a refrigerator. Background Technology

[0002] Currently, the surface light source components of refrigerators on the market have a relatively complex structure. When assembling the surface light source components into the refrigerator, multiple parts are involved. When the surface light source needs to be repaired or replaced, the disassembly and assembly process is complicated, the number of materials and parts is large, and the efficiency needs to be improved. Utility Model Content

[0003] The purpose of this disclosure is to provide a surface light source assembly and a refrigerator to improve the efficiency of surface light source maintenance and replacement.

[0004] The first aspect of this disclosure provides a surface light source assembly for a refrigerator, comprising:

[0005] A surface light source, wherein a hanging structure is provided on a first side along a first direction, and a first connecting hole is provided on a second side along the first direction; and

[0006] The back plate has a hanging structure that is attached to the edge of one side of the back plate along the first direction. The surface light source is connected to the back plate through a first connector that passes through the first connecting hole. The back plate is provided with a first limiting structure that forms a stop groove with the surface of the back plate. The stop groove is adapted to the edge of the second side of the surface light source along the first direction to limit the displacement of the edge of the second side of the surface light source along the first direction in the second direction, which is perpendicular to the first direction.

[0007] In some embodiments, the surface light source includes:

[0008] Light-emitting components;

[0009] A first frame is mounted on the edge of the light-emitting element along a first direction on a first side, and the hanging structure is disposed on the first frame; and

[0010] The second frame is installed on the edge of the side portion of the light-emitting element along a third direction, and the first connecting hole is disposed at the end of the second frame along the first direction, wherein the third direction is perpendicular to both the first direction and the second direction.

[0011] In some embodiments, an ambient light strip is included. The first frame is provided with an opening groove, and the side wall of the opening groove is provided with a second limiting structure. The second limiting structure and the groove wall of the opening groove form a first receiving space. The ambient light strip is detachably installed in the first receiving space, and the second limiting structure restricts the ambient light strip from moving toward the opening end of the opening groove.

[0012] In some embodiments, the first frame is made of a thermally conductive material.

[0013] In some embodiments, the ambient light strip is configured to emit light of one or more colors when powered on, and / or to emit light with a constant luminous intensity or with a luminous intensity that varies over time when powered on.

[0014] In some embodiments, a light-diffusing strip is included, and a third limiting structure is provided on the sidewall of the opening groove. The second limiting structure, the third limiting structure, and the groove wall of the opening groove form a second receiving space. The light-diffusing strip is detachably installed in the second receiving space, and the third limiting structure restricts the light-diffusing strip from moving toward the opening end of the opening groove.

[0015] In some embodiments, the hook structure is a hook adapted to the edge shape of the back panel.

[0016] In some embodiments, the back plate has a positioning surface, the surface light source is abutted against the positioning surface, the first limiting structure is provided to protrude along the first direction, and there is a gap between the first limiting structure and the positioning surface to form the stop groove.

[0017] A second aspect of this disclosure provides a refrigerator, comprising:

[0018] Box; and

[0019] The surface light source assembly described in the first aspect of this disclosure is detachably installed inside the housing.

[0020] In some embodiments, the back panel is provided with a snap-fit ​​structure, and the surface light source assembly is connected to the housing through the snap-fit ​​structure.

[0021] Other features and advantages of this disclosure will become clear from the following detailed description of exemplary embodiments with reference to the accompanying drawings. Attached Figure Description

[0022] The accompanying drawings, which are included to provide a further understanding of this disclosure and form part of this application, illustrate exemplary embodiments of this disclosure and are used to explain this disclosure, but do not constitute an undue limitation of this disclosure. In the drawings:

[0023] Figure 1 This is a schematic diagram of the structure of a refrigerator according to some embodiments of this disclosure.

[0024] Figure 2 This is a schematic diagram of the structure of a surface light source assembly according to some embodiments of the present disclosure.

[0025] Figure 3This is a schematic diagram of the structure of the backplate for some embodiments of this disclosure.

[0026] Figure 4 This is a schematic diagram of the structure of a surface light source according to some embodiments of this disclosure.

[0027] Figure 5 This is a partial structural schematic diagram of a surface light source according to some embodiments of the present disclosure.

[0028] Figure 6 This is a schematic diagram of the structure of the first border of some embodiments of this disclosure.

[0029] Figure 7 This is a partial structural schematic diagram of a surface light source assembly according to some embodiments of this disclosure.

[0030] Figure 8 This is a partial structural diagram of a surface light source assembly from another perspective, representing some embodiments of this disclosure.

[0031] In the attached figures, the various reference numerals represent:

[0032] 1. Box body;

[0033] 2. Surface light source assembly;

[0034] 21. Back panel;

[0035] 210. Positioning surface;

[0036] 211. First limiting structure;

[0037] 212. Second connecting hole;

[0038] 213. Snap-fit ​​structure;

[0039] 22. Surface light source;

[0040] 220. Light-emitting components;

[0041] 221. Second border;

[0042] 2211, First connecting hole;

[0043] 222, First border;

[0044] 2221. Hanging structure;

[0045] 2222, Second limiting structure;

[0046] 2223. Third limiting structure;

[0047] 2224. Opening groove;

[0048] 223. Ambient light strips;

[0049] 224. Light uniformity strip;

[0050] 231. First connecting component;

[0051] 232. Second connector. Detailed Implementation

[0052] The technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this disclosure, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit this disclosure or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of this disclosure without creative effort are within the scope of protection of this disclosure.

[0053] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of this disclosure. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0054] In the description of this disclosure, it should be understood that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore should not be construed as limiting the scope of protection of this disclosure.

[0055] In the description of this disclosure, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is generally based on the orientation or positional relationship shown in the accompanying drawings and is only for the convenience of describing this disclosure and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this disclosure; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0056] Some embodiments of this disclosure provide a surface light source assembly for a refrigerator and a refrigerator including the surface light source assembly.

[0057] refer to Figure 1 The refrigerator provided in the embodiments of this disclosure includes a cabinet 1 and a surface light source assembly 2 provided in the embodiments of this disclosure, the surface light source assembly 2 being detachably installed inside the cabinet 1.

[0058] The refrigerator provided by the embodiments of this disclosure has the advantages of the surface light source assembly provided by the embodiments of this disclosure.

[0059] refer to Figures 1 to 8 The surface light source assembly 2 provided in the embodiments of this disclosure includes a surface light source 22 and a back plate 21. A hanging structure 2221 is provided on a first side of the surface light source 22 along the first direction y, and a first connecting hole 2211 is provided on a second side along the first direction y. The hanging structure 2221 is hung on the edge of the back plate 21 along the first direction y. The surface light source 22 and the back plate 21 are connected by a first connector 231 passing through the first connecting hole 2211. The back plate 21 is provided with a first limiting structure 211, which forms a stop groove with the surface of the back plate 21. The stop groove is adapted to the edge of the second side of the surface light source 22 along the first direction y to limit the displacement of the edge of the second side of the surface light source 22 along the first direction y along the second direction z, where the second direction z is perpendicular to the first direction y.

[0060] refer to Figure 1 and Figure 2 When installed inside the housing 1, the first direction y is consistent with the height direction of the housing 1, the second direction z is consistent with the depth direction of the housing 1, and the third direction x is consistent with the width direction of the housing 1.

[0061] Optionally, the back panel 21 is provided with an air duct inside, and at least one air inlet and at least one air outlet communicating with the air duct are respectively opened on the surface of the back panel 21. When the surface light source assembly 2 is installed inside the cabinet 1, the air duct provided in the back panel 21 can allow air to enter or return to the refrigeration space inside the cabinet 1.

[0062] Optionally, the back plate 21 has a plate-like structure with a generally rectangular outer contour. Optionally, refer to... Figure 3The backplate 21 includes a first plate segment and a second plate segment arranged sequentially along the first direction y. The first plate segment has a positioning surface 210 on which the surface light source 22 can abut. The positioning surface 210 is the surface of the first plate segment perpendicular to the second direction z. The first edge of the first plate segment along the first direction y is hooked to the hanging structure 2221, and the second edge along the first direction y is connected to the second plate segment. A positioning step is provided at the connection position between the first plate segment and the second plate segment. The end of the surface light source 22 along the second direction z abuts against the surface of the positioning step perpendicular to the first direction y. The first limiting structure 211 is disposed at the connection position between the first plate segment and the second plate segment, and protrudes from the edge of the second plate segment along the first direction y toward the first side of the first plate segment along the first direction y. Along the second direction z, the first limiting structure 211 and the positioning surface 210 are spaced apart to form a stop groove for accommodating the end of the surface light source 22 along the second side of the first direction y. The end of the surface light source 22 along the second side of the first direction y can be locked in the gap, so that the first limiting structure 211 can restrict the displacement of the end of the surface light source 22 along the second side of the first direction y along the second direction z.

[0063] Optionally, the first limiting structure 211 is a protrusion structure that is raised on the first side of the first plate segment along the first direction y.

[0064] Optionally, the first connector 231 is a threaded connector, such as a screw, see reference. Figure 3 , Figure 4 and Figure 8 The back plate 21 is provided with a second connecting hole 212. The first connector 231 passes through the first connecting hole 2211 and is threaded into the second connecting hole 212 to connect the second side of the surface light source 22 along the first direction y to the back plate 21. Optionally, the second side of the surface light source 22 along the first direction y is provided with at least two first connecting holes 2211 along a third direction x, where the third direction x is perpendicular to both the first direction y and the second direction z. Correspondingly, the back plate 21 is provided with at least two second connecting holes 212.

[0065] Based on the surface light source assembly provided in the embodiments of this disclosure, when it is necessary to replace or repair components such as the surface light source 22, the back plate 21 together with the surface light source 22 can be directly removed from the inside of the housing 1, and then the surface light source 22 can be removed. Alternatively, the surface light source 22 and the back plate 21 can be assembled into one unit and then installed into the inside of the housing 1, thereby providing operational convenience for disassembling and assembling the surface light source 22.

[0066] When assembling the surface light source 22 onto the back plate 21, the edge of the second side of the surface light source 22 along the first direction y can be first engaged with the stop groove formed by the first limiting structure 211 and the plate surface of the back plate 21. By limiting the position through the stop groove, the hanging structure 2221 can be hung onto the edge of the back plate 21 along the first direction y. Finally, the surface light source 22 can be fixed to the back plate 21 through the first connector 231. When removing the surface light source 22 from the back plate 21, the first connector 231 can be removed first, and then the hanging and limiting relationship between the surface light source 22 and the back plate 21 can be released.

[0067] On the first side along the first direction y, the surface light source 22 is attached to the edge of the back plate 21 along the first direction y via a hook structure 2221. The hook structure 2221 and the edge of the back plate 21 along the first direction y cooperate with each other, allowing the surface light source 22 to be quickly positioned on the back plate 21. On the second side along the first direction y, the edge of the surface light source 22 along the second side is not only limited by the first limiting structure 211, but is also fixedly connected to the back plate 21 via the first connector 231. This connection method between the surface light source 22 and the back plate 21 facilitates quick assembly and disassembly of both, and can effectively restrict the degree of freedom of movement of the surface light source 22, giving the surface light source 22 high installation stability.

[0068] Furthermore, compared to the connection method in related technologies where the surface light source 22 is connected to the back plate 21 by interference fit of claws made of plastic or other materials, the surface light source assembly provided in the embodiments of this disclosure does not require a snap-fit ​​structure on the surface light source 22, thus simplifying the structure. This not only eliminates the complex process of mold processing of claws, which helps to reduce manufacturing costs, but also improves the problem of easy breakage of claws and other structures when disassembling the surface light source 22, which helps to extend the service life of the surface light source 22 and reduce the cost of use.

[0069] Therefore, the surface light source assembly provided in the embodiments of this disclosure can improve the replacement efficiency and installation stability of the surface light source, and reduce the overall cost of the product.

[0070] In some embodiments of the refrigerator, reference Figure 3 The back panel 21 is provided with a snap-fit ​​structure 213, and the surface light source assembly 2 is connected to the housing 1 through the snap-fit ​​structure 213.

[0071] Optionally, the snap-fit ​​structure 213 is a claw. Optionally, the back plate 21 is provided with two sets of snap-fit ​​structures 213, which are respectively provided on the two sides of the back plate 21 along the third direction x. Each set of snap-fit ​​structures 213 includes multiple snap-fit ​​structures 213 arranged side by side and spaced apart along the first direction y.

[0072] In this embodiment, the snap-fit ​​structure 213 provided on the back plate 21 allows for convenient and quick installation of the surface light source assembly 2 into the cabinet 1 or removal of the surface light source assembly 2 from the cabinet 1, which helps to further improve the refrigerator's maintenance efficiency, thereby further enhancing the user experience and reducing the risk of complaints.

[0073] The structure of the surface light source assembly 2 provided in the embodiments of this disclosure will be further described below with reference to the accompanying drawings.

[0074] In some embodiments of the surface light source assembly, reference Figures 4 to 7 The surface light source 22 includes a light-emitting element 220, a first frame 222, and a second frame 221. The first frame 222 is mounted on the edge of the light-emitting element 220 along a first direction y, and a hanging structure 2221 is disposed on the first frame 222. The second frame 221 is mounted on the edge of the light-emitting element 220 along a third direction x, which is perpendicular to both the first direction y and the second direction z, and a first connecting hole 2211 is disposed at the end of the second frame 221 along the first direction y.

[0075] Optionally, the surface light source 22 includes two second frame frames 221 respectively installed on the two sides of the light-emitting element 220 along the third direction x. Each end of the first frame frame 222 along the third direction x is provided with a corresponding second connecting hole. The first frame frame 222 and the two second frame frames 221 are respectively connected by second connectors 232 passing through the corresponding second connecting holes. The first frame frame 222 abuts against the light-emitting element 220.

[0076] In this embodiment, considering that it is inconvenient to directly process the connection structure on the light-emitting element 220, a first frame 222 and a second frame 221 that can be installed on the edge of the light-emitting element 220 are provided. In addition, a hanging structure 2221 is provided on the first frame 222 and a first connection hole 2211 is provided on the second frame 221. This makes it easy to connect the light-emitting element 220 to the back plate 21 by hanging and connecting the connectors.

[0077] In some embodiments, reference Figures 5 to 7 The surface light source assembly includes an ambient light strip 223. The first frame 222 is provided with an opening groove 2224. The side wall of the opening groove 2224 is provided with a second limiting structure 2222. The second limiting structure 2222 and the groove wall of the opening groove 2224 form a first receiving space. The ambient light strip 223 is detachably installed in the first receiving space.

[0078] Optionally, the opening groove 2224 extends along a third direction x, and the second limiting structure 2222 is in the shape of a convex strip and extends along a third direction x. Optionally, the two second limiting structures 2222 are arranged opposite to each other along a second direction z.

[0079] In this embodiment, the second limiting structure 2222 is protruding between the open end and the closed end of the opening groove 2224. During maintenance and replacement, when it is necessary to assemble the ambient light strip 223, the characteristic of the ambient light strip 223 being elastically deformable can be utilized to press and push the ambient light strip 223 from the open end of the opening groove 2224 into the first receiving space, so that the ambient light strip 223 can be efficiently installed onto the first frame 222. After the ambient light strip 223 is installed into the first receiving space, the protruding second limiting structure 2222 can restrict the movement of the ambient light strip 223 toward the open end of the opening groove 2224, which helps to reliably maintain the ambient light strip 223 in the installed state and prevent it from falling off.

[0080] In some embodiments of the surface light source assembly, the first frame 222 is made of a thermally conductive material.

[0081] In this embodiment, the thermally conductive material refers to a material that is a good conductor of heat, such as a metal. Optionally, the first frame 222 is made of aluminum alloy. Optionally, the first frame 222 is manufactured using an extrusion process.

[0082] In this embodiment, the first frame 222 can dissipate the heat generated by the ambient light strip 223 in a timely manner, thus playing a good heat dissipation role and reducing the adverse effects of heat accumulation on the ambient light strip 223 and its surrounding components.

[0083] In some embodiments of the surface light source assembly, the ambient light strip 223 is configured to emit light of different colors when powered on.

[0084] In some embodiments of the surface light source assembly, the ambient light strip 223 is configured to emit light with a constant luminous intensity when powered on or with a luminous intensity that varies over time.

[0085] In some embodiments of the surface light source assembly, the ambient light strip 223 is configured to emit light of one or more colors when powered on, and is configured to emit light with a constant luminous intensity or with a luminous intensity that varies over time when powered on.

[0086] Optionally, when powered on, the luminous intensity of the ambient light strip 223 gradually decreases and then gradually increases over a period of time to create a breathing light effect.

[0087] In this embodiment, the ambient light strip 223 can display a single color or multiple colors of light, or display light with constant or varying intensity, providing diverse lighting modes that enhance the aesthetics of the refrigerator during use.

[0088] In some embodiments, reference Figures 5 to 7The surface light source assembly includes a light-diffusing strip 224. A third limiting structure 2223 is provided on the side wall of the opening slot 2224. The second limiting structure 2222, the third limiting structure 2223 and the slot wall of the opening slot 2224 form a second accommodating space. The light-diffusing strip 224 is detachably installed in the second accommodating space. The third limiting structure 2223 restricts the light-diffusing strip 224 from moving toward the opening end of the opening slot 2224.

[0089] Optionally, the two third limiting structures 2223 are arranged opposite to each other along the second direction z. Optionally, on the same side wall of the opening groove 2224, the second limiting structure 2222 and the third limiting structure 2223 are arranged side by side and spaced apart along the first direction y, and the third limiting structure 2223 is closer to the opening end of the opening groove 2224 than the second limiting structure 2222.

[0090] In this embodiment, the light-diffusing strip 224 enables the light emitted by the ambient light strip 223 to be evenly distributed, resulting in a more aesthetically pleasing visual effect. Furthermore, the third limiting structure 2223 is positioned between the open end and the closed end. After the ambient light strip 223 is installed, a similar installation method can be used to press the light-diffusing strip 224 to push it from the open end into the second receiving space, thereby achieving rapid installation of the light-diffusing strip 224. Once the light-diffusing strip 224 is installed in the first receiving space, the protruding third limiting structure 2223 restricts the light-diffusing strip 224 from moving towards the open end of the opening groove 2224, ensuring that the light-diffusing strip 224 is reliably maintained in its installed state and is not easily detached.

[0091] When inspecting the light-emitting element 220 of the surface light source 22, the first frame 222 can be removed. When inspecting the ambient light strip 223, only the light-diffusing strip 224 and the ambient light strip 223 need to be removed, without removing the first frame 222.

[0092] Optionally, the protrusion height of the second limiting structure 2222 and the third limiting structure 2223 should be such that they can limit the ambient light strip 223 and the light doubling strip 224, without damaging the ambient light strip 223 or the light doubling strip 224 when pressed.

[0093] In some embodiments of the surface light source assembly, the mounting structure 2221 is a hook adapted to the edge shape of the back plate 21.

[0094] Optionally, the mounting structure 2221 is a flange hook.

[0095] In this embodiment, when the surface light source 22 is mounted on the back plate 21, the hanging structure 2221 is adapted to the edge shape of the back plate 21, which can better restrict the degree of freedom of movement of the surface light source 22, thereby further improving the installation stability of the surface light source 22.

[0096] In some embodiments of the surface light source assembly, reference Figure 3 The back plate 21 has a positioning surface 210, the surface light source 22 is attached to the positioning surface 210, the first limiting structure 211 is convex along the first direction y, and there is a gap between the first limiting structure 211 and the positioning surface 210 to form a stop groove.

[0097] Optionally, in order to improve the installation stability of the surface light source 22, the back plate 21 is provided with a plurality of first limiting structures 211 arranged along the third direction x.

[0098] In this embodiment, when installing the surface light source 22, the surface light source 22 can be limited by inserting the edge of the second side of the surface light source 22 along the first direction y into the gap between the first limiting structure 211 and the positioning surface 210, thereby giving the surface light source 22 high installation stability.

[0099] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this disclosure and not to limit them; although this disclosure has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications can still be made to the specific implementation of this disclosure or equivalent substitutions can be made to some technical features, all of which should be covered within the scope of the technical solutions claimed in this disclosure.

Claims

1. A surface light source assembly for a refrigerator, characterized in that, include: A surface light source (22), wherein a hanging structure (2221) is provided on a first side along a first direction (y), and a first connecting hole (2211) is provided on a second side along the first direction (y); and The back plate (21) is attached to the edge of the back plate (21) along the first direction (y). The surface light source (22) is connected to the back plate (21) through the first connector (231) passing through the first connecting hole (2211). The back plate (21) is provided with a first limiting structure (211). The first limiting structure (211) and the plate surface of the back plate (21) form a stop groove. The stop groove is adapted to the edge of the surface light source (22) along the second side along the first direction (y) to limit the displacement of the edge of the surface light source (22) along the second side along the first direction (y) in the second direction (z). The second direction (z) is perpendicular to the first direction (y).

2. The surface light source assembly according to claim 1, characterized in that, The surface light source (22) includes: Light-emitting component (220); A first frame (222) is mounted on the edge of the light-emitting element (220) along a first side in a first direction (y), and the hanging structure (2221) is disposed on the first frame (222); and The second frame (221) is installed on the edge of the side portion of the light-emitting element (220) along the third direction (x), and the first connecting hole (2211) is disposed at the end of the second frame (221) along the first direction (y), and the third direction (x) is perpendicular to both the first direction (y) and the second direction (z).

3. The surface light source assembly according to claim 2, characterized in that, The device includes an ambient light strip (223), and the first frame (222) is provided with an opening groove (2224). The side wall of the opening groove (2224) is provided with a second limiting structure (2222). The second limiting structure (2222) and the groove wall of the opening groove (2224) form a first accommodating space. The ambient light strip (223) is detachably installed in the first accommodating space. The second limiting structure (2222) restricts the ambient light strip (223) from moving toward the opening end of the opening groove (2224).

4. The surface light source assembly according to claim 3, characterized in that, The first frame (222) is made of thermally conductive material.

5. The surface light source assembly according to claim 3, characterized in that, The ambient light strip (223) is configured to emit light of one or more colors when powered on, and / or to emit light with a constant luminous intensity or with a luminous intensity that varies over time when powered on.

6. The surface light source assembly according to claim 3, characterized in that, The device includes a light-diffusing strip (224). A third limiting structure (2223) is provided on the side wall of the opening groove (2224). The second limiting structure (2222), the third limiting structure (2223), and the groove wall of the opening groove (2224) form a second accommodating space. The light-diffusing strip (224) is detachably installed in the second accommodating space. The third limiting structure (2223) restricts the light-diffusing strip (224) from moving toward the opening end of the opening groove (2224).

7. The surface light source assembly according to any one of claims 1 to 6, characterized in that, The hook structure (2221) is a hook that is adapted to the edge shape of the back plate (21).

8. The surface light source assembly according to any one of claims 1 to 6, characterized in that, The back plate (21) has a positioning surface (210), the surface light source (22) is attached to the positioning surface (210), the first limiting structure (211) is convexly arranged along the first direction (y), and there is a gap between the first limiting structure (211) and the positioning surface (210) to form the stop groove.

9. A refrigerator, characterized in that, include: Box (1); and The surface light source assembly (2) according to any one of claims 1 to 8 is detachably installed inside the housing (1).

10. The refrigerator according to claim 9, characterized in that, The back plate (21) is provided with a snap-fit ​​structure (213), and the surface light source assembly (2) is connected to the housing (1) through the snap-fit ​​structure (213).

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