CN109959215B - Area source assembly and refrigerator with same - Google Patents

Area source assembly and refrigerator with same Download PDF

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Publication number
CN109959215B
CN109959215B CN201711409543.9A CN201711409543A CN109959215B CN 109959215 B CN109959215 B CN 109959215B CN 201711409543 A CN201711409543 A CN 201711409543A CN 109959215 B CN109959215 B CN 109959215B
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CN
China
Prior art keywords
light guide
guide plate
light source
area
hole
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Application number
CN201711409543.9A
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Chinese (zh)
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CN109959215A (en
Inventor
唐海东
李士东
吴光瑞
王铭
王宁
杨发林
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Haier Smart Home Co Ltd
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Qingdao Haier Co Ltd
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Application filed by Qingdao Haier Co Ltd filed Critical Qingdao Haier Co Ltd
Priority to CN201711409543.9A priority Critical patent/CN109959215B/en
Priority to MX2020002470A priority patent/MX2020002470A/en
Priority to US16/611,465 priority patent/US10877202B2/en
Priority to AU2018391838A priority patent/AU2018391838B2/en
Priority to EP18890525.1A priority patent/EP3730880B1/en
Priority to PCT/CN2018/122303 priority patent/WO2019120243A1/en
Publication of CN109959215A publication Critical patent/CN109959215A/en
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Publication of CN109959215B publication Critical patent/CN109959215B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D27/00—Lighting arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/30—Lighting for domestic or personal use
    • F21W2131/305—Lighting for domestic or personal use for refrigerators

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Planar Illumination Modules (AREA)

Abstract

The invention discloses a surface light source assembly and a refrigerator with the same, wherein the surface light source assembly comprises: the light source is arranged along the first side edge of the light guide plate; the front surface of the light guide plate is provided with a plurality of light guide points, the middle position of the light guide plate is vertically provided with a through hole, and the through hole comprises an upper edge close to the light source and a lower edge far away from the light source; a first area is arranged on the front surface of the light guide plate close to the upper edge of the through hole, the diameter of each light guide point in the first area is smaller than that of each light guide point in the peripheral area of the first area, and the density of the light guide points in the first area is smaller than that of the light guide points in the peripheral area of the first area; the position that the light guide plate front surface is close to the through-hole lower limb sets up the second region, and the diameter of every leaded light point in the second region is greater than the diameter of every leaded light point in the peripheral region of second region, and the density of leaded light point in the second region is less than the density of leaded light point in the peripheral region of second region.

Description

Area source assembly and refrigerator with same
Technical Field
The invention belongs to the technical field of household appliances, and particularly relates to a surface light source assembly and a refrigerator with the same.
Background
At present, a top illuminating lamp of a refrigeration chamber of a refrigerator cannot meet the illumination requirement, because the light can only illuminate part of space, if more objects are placed on a rack, the light can be shielded, the dark shadow can appear on the edge or the lower part of the chamber, and a user cannot conveniently find and take food.
Therefore, there is a surface light source module which can be installed on the rear wall of the chamber, and the light guide plate is installed on the rear wall of the chamber, and the light source is used to vertically irradiate the light guide plate, so that the whole light guide plate emits uniform and soft light, and the whole chamber can be illuminated. However, for some ultra-wide refrigerators, a through hole is required to be formed in the middle of the light guide plate to fix some devices on the rear wall of the compartment through the through hole. However, after the through holes are formed, the light guide plate around the through holes may have too bright or too dark portions, so that the light on the whole light guide plate is not uniform, and the lighting effect is not good.
Disclosure of Invention
The invention aims to provide a refrigerator with the same.
In order to achieve the above object, an embodiment of the present invention provides a surface light source module disposed in a cooling compartment of a refrigerator, the surface light source module including: the light source is arranged along the first side edge of the light guide plate; the front surface of the light guide plate is provided with a plurality of light guide points, a through hole is vertically formed in the middle of the light guide plate, and the through hole comprises an upper edge close to the light source and a lower edge far away from the light source; a first area is arranged on the front surface of the light guide plate close to the upper edge of the through hole, the diameter of each light guide point in the first area is smaller than that of each light guide point in the peripheral area of the first area, and the density of the light guide points in the first area is smaller than that of the light guide points in the peripheral area of the first area; the front surface of the light guide plate is provided with a second area at a position close to the lower edge of the through hole, the diameter of each light guide point in the second area is larger than that of each light guide point in the peripheral area of the second area, and the density of the light guide points in the second area is smaller than that of the light guide points in the peripheral area of the second area.
As a further improvement of an embodiment of the present invention, the diameter of each light guide point in the first region gradually decreases in a direction away from the light source.
As a further improvement of an embodiment of the present invention, the diameter of each light guide point in the second region gradually increases in a direction away from the light source.
As a further improvement of an embodiment of the present invention, the surface light source module further includes a supplementary light source, the light guide plate includes a second side opposite to the first side, and the supplementary light source is disposed along the second side of the light guide plate.
As a further improvement of an embodiment of the present invention, the diameters of the light guiding points on the front surface of the light guiding plate except for the first region and the second region gradually increase along a direction away from the light source.
As a further improvement of an embodiment of the present invention, the density of the light guiding points on the front surface of the light guiding plate except for the first region and the second region gradually increases along a direction away from the light source.
As a further improvement of an embodiment of the present invention, the light guide plate further includes a rear surface opposite to the front surface; the edge of the through hole is provided with a first anti-collision frame, and the first anti-collision frame extends from the edge of the through hole in the front surface of the light guide plate to the through hole and wraps the edge of the through hole in the rear surface of the light guide plate.
As a further improvement of an embodiment of the present invention, the light guide plate further includes two third sides adjacent to the first side, the third sides are provided with a second anti-collision frame along a length direction, and the second anti-collision frame extends from an edge of the front surface of the light guide plate to the third sides and wraps an edge of the rear surface of the light guide plate.
Another embodiment of the present invention provides a refrigerator including a refrigerating compartment, and the refrigerator further includes any one of the above surface light source modules, which is installed in the refrigerating compartment.
As a further improvement of an embodiment of the present invention, the refrigeration compartment further includes at least two cantilever racks arranged side by side, and two opposite ends of the rear portion of the cantilever rack are respectively provided with a connecting member; a through hole fixing piece is arranged on the rear wall of the refrigerating chamber at a position corresponding to the through hole, and a left side fixing piece and a right side fixing piece are respectively arranged on the rear wall at positions corresponding to the two sides of the light guide plate; the connecting piece at one end of the rear part of one cantilever rack is connected with the left side fixing piece, and the connecting piece at the other end is connected with the through hole fixing piece; the connecting piece at one end of the rear part of the other cantilever rack is connected with the through hole fixing piece, and the connecting piece at the other end is connected with the right side fixing piece.
Compared with the prior art, the surface light source assembly provided by the invention has the advantages that the light of the first area is not too bright, the light of the second area is not shadowed by adjusting the diameter and the density of the light guide points at the edge of the through hole of the light guide plate, so that the light brightness of the first area and the second area is consistent with that of the surrounding area, the light of the whole light guide plate is uniform, and the integral lighting effect of a refrigerator is met.
Drawings
FIG. 1 is a schematic structural view of a surface light source assembly installed in a refrigerator liner according to an embodiment of the present invention;
FIG. 2 is a schematic view of a surface light source assembly according to an embodiment of the present invention;
FIG. 3 is a schematic view of a suspension rack installed in a refrigerator inner container according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a cantilever rack according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.
It will be understood that terms used herein such as "upper," "above," "lower," "below," and the like, refer to relative positions in space and are used for convenience in description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.
As shown in fig. 1 to 3, a first embodiment of the surface light source module of the present invention will be described. In the present embodiment, the surface light source module 1 is provided in a cooling compartment 2 of a refrigerator, and the surface light source module 1 includes: a light source 100 and a light guide plate 200 vertically illuminated by the light source 100, the light source 100 being disposed along a first side 250 of the light guide plate 200; the front surface 210 of the light guide plate 200 is provided with a plurality of light guide points 211. In the embodiment of the present invention, the light guide plate 200 is vertically disposed in the cooling compartment 2 and covers a portion of the compartment rear wall, and the light source is disposed along the upper edge of the light guide plate 200 and vertically irradiates the light guide plate 200.
At present, the light guide plate of the surface light source assembly disposed in the refrigerator is generally an optical grade acrylic/PC plate, which has very high reflectivity and does not absorb light. The surface of the light guide plate is printed with light guide points by using the technology of laser engraving and the like, and the light guide points are a plurality of small recesses on the surface of the light guide plate. Then, the light source vertically irradiates the light guide plate, and at the moment, the light rays irradiate each light guide point. At the light guide point, the reflected light is diffused at various angles and finally emitted from the surface of the light guide plate. In order to make the entire light guide plate emit light uniformly, various light guide points with different densities and sizes are generally arranged on the light guide plate. In the embodiment of the present invention, before the light guide plate is provided with the through hole, the change rule of the light guide points on the light guide plate is as follows: along the direction of keeping away from the light source, the diameter of leaded light point increases gradually, the density of leaded light point increases gradually.
In the embodiment of the invention, a through hole 220 is vertically formed in the middle of the light guide plate 200, and the through hole 220 includes an upper edge 221 close to the light source 100 and a lower edge 222 far from the light source 100. In the ultra-wide refrigerator, if the surface light source assembly is used for illumination, a through hole 220 is formed in the middle of the light guide plate 200, so that some devices (such as a cantilever rack) can be fixed on the rear wall of the compartment through the through hole. In the embodiment of the present invention, the through hole 220 is formed on a middle line of the light guide plate 200 in the width direction and is disposed downward.
In the embodiment of the invention, the front surface 210 of the light guide plate 200 is provided with a first region 230 at a position close to the upper edge 221 of the through hole 220, the diameter of each light guide point 231 in the first region 230 is smaller than the diameter of each light guide point 211 in the peripheral region of the first region, and the density of the light guide points 231 in the first region 230 is smaller than the density of the light guide points 211 in the peripheral region of the first region 230.
When the light guide plate is perforated, the light transmission is blocked by the upper edge 221 of the through hole 220, and the light cannot be transmitted downward on the surface near the upper edge 221, so the brightness in this area is greater than that in the peripheral area. That is, a first region 230 is formed on the front surface 210 of the light guide plate 200, and the luminance in the first region 230 is greater than that in the peripheral region thereof, thereby causing the luminance of the light guide plate 200 to be non-uniform. Therefore, the diameter and density of the light guide points 231 in the first region 230 need to be adjusted. In the embodiment of the present invention, the diameter of each light guide point 231 in the first region is adjusted to be smaller than the diameter of each light guide point 211 in the peripheral region of the first region; the density of the light guide points 231 in the first region 230 is adjusted to be less than the density of the light guide points 211 in the peripheral region of the first region 230.
After the adjustment, the brightness of the first region 230 may be made to coincide with the brightness of its peripheral region. Further, in order to make the light brightness in the first region 230 uniform, the diameter of each light guiding point 231 in the first region 230 also changes, and the change rule is that the diameter of the light guiding point 231 gradually decreases along the direction away from the light source 100.
In the embodiment of the invention, a second region 240 is disposed at a position of the front surface 210 of the light guide plate 200 close to the lower edge 222 of the through hole 220, a diameter of each light guide point 241 in the second region 240 is greater than a diameter of each light guide point 211 in a peripheral region of the second region, and a density of the light guide points 241 in the second region 240 is less than a density of the light guide points 211 in the peripheral region of the second region 240.
After the light guide plate is perforated, the light is blocked by the upper edge 221 of the through hole 220, so that the light cannot be transmitted downward. A dark area appears on the surface near the lower edge 222 of the through-hole 220. That is, a second area 240 is formed on the front surface 210 of the light guide plate 200, and light is not emitted in the second area to form a dark shadow, thereby causing brightness unevenness of the light guide plate 200. Therefore, the diameter and density of the light guide points 241 in the second region 240 need to be adjusted. In the embodiment of the present invention, the diameter of each light guide point 241 in the second region is adjusted to be larger than the diameter of each light guide point 211 in the peripheral region of the second region; the density of the light guide points 241 in the second region 240 is adjusted to be greater than the density of the light guide points 211 in the peripheral region of the second region 240.
After the adjustment, the brightness of the second region 230 may be made to coincide with the brightness of its peripheral region. Similarly, in order to make the light brightness in the second region 240 uniform, the diameter of each light guide point 241 in the second region 240 also changes, and the change rule is that the diameter of the light guide point 241 gradually increases along the direction away from the light source 100.
Further, the first region 230 is a fan shape extending upward from the upper edge 221 of the through hole 220, and the second region 240 is a fan shape extending downward from the lower edge 222 of the through hole 220.
In order to ensure uniform brightness of the entire light guide plate 200, the variation law of the diameter and density of the light guide points 221 on the front surface 210 of the light guide plate 200 except for the first region 230 and the second region 240 is the same as that before the light guide plate 200 is provided with the through holes 220.
Preferably, one region around the first region 230 is defined as a first contrast region 232, and the vertical height and the area of the first contrast region 232 are the same as those of the first region 230. For example, in the first contrast area 232, the average diameter of the light guide points 211 is 0.5mm, and the density of the light guide points 211 is 325 per square centimeter; at this time, the average diameter of light guide points 231 in first region 230 is set to 0.2mm, and the density of light guide points 231 is set to 152 per square centimeter.
Similarly, a region around the second region 240 is defined as a second contrast region 242, and the vertical height and area of the second contrast region 242 are the same as those of the second region 240. For example, in the second contrast area 242, the average diameter of the light guide points 211 is 0.2mm, and the density of the light guide points 211 is 152 per square centimeter; at this time, the average diameter of the light guide points 241 in the second region 240 is set to 0.5mm, and the density of the light guide points 241 is set to 325 per square centimeter. Of course, the above parameters can be adjusted according to the light transmittance and the required characteristics of the light guide plate, and can be obtained through multiple tests.
In order to illustrate the change of the light guide point 231 in the first region 230 and the change of the light guide point 241 in the second region 240, only the light guide point 231 in the first region 230 and the light guide point 211 in the first contrast region 232, and the light guide point 241 in the second region 240 and the light guide point 211 in the second contrast region 242 are shown in the diagram x. In fact, in the embodiment of the present invention, light guide points are disposed on all regions of the front surface 210 of the light guide plate 200, and light guide points in other regions are not shown.
In the embodiment of the present invention, the surface light source assembly 1 further includes a supplementary light source 110, the light guide plate 200 includes a second side 260 opposite to the first side 250, and the supplementary light source 110 is disposed along the second side 260 of the light guide plate 200. The same light bar as the top is arranged on the lower side bar of the whole surface light source, and the light intensity compensation is carried out on the shadow of the second area 240.
The light guide plate 200 further includes a rear surface (not shown) opposite to the front surface 210; a first anti-collision frame 223 is disposed at the edge of the through hole 220, and the first anti-collision frame 223 extends from the edge of the through hole 220 at the front surface 210 of the light guide plate 200 to the through hole 220 and wraps the edge of the through hole 220 at the rear surface of the light guide plate 200. The first anti-collision frame 223 is disposed at the edge of the through hole 220 to block a bright area where light is reflected, and also prevent the connection structure of the device (such as a cantilever rack) from colliding with the light guide plate 200 and being damaged when the device is installed on the rear wall of the compartment through the through hole.
The light guide plate 200 further includes two third side edges 270 adjacent to the first side edge 250, a second anti-collision frame 271 is disposed along the length direction of the third side edges 270, and the second anti-collision frame 271 extends from the edge of the front surface 210 of the light guide plate 200 to the third side edges 270 and wraps the edge of the rear surface of the light guide plate 200. In the embodiment of the present invention, the third side 270 is the left and right sides of the light guide plate 200, and the second anti-collision frame 271 is disposed on the left and right sides of the light guide plate 200, so that when some devices (such as a cantilever rack) are mounted on the rear wall around the third side 270, the corresponding connection structure can be prevented from colliding with the light guide plate 200 and causing damage.
In an embodiment of the present invention, the surface light source module further includes a diffusion plate disposed to be laminated with the light guide plate, the diffusion plate being disposed to be attached to the front surface, and a reflection sheet (not shown) disposed to be attached to the rear surface. The structure and function of the diffuser plate and the reflector plate are conventional and will not be described herein.
The embodiment of the invention also discloses a refrigerator which comprises a refrigerating chamber 2 and the refrigerator also comprises the surface light source component 1, wherein the surface light source component 1 is arranged in the refrigerating chamber 2.
In the embodiment of the present invention, the refrigeration compartment 1 further includes at least two cantilever racks arranged side by side, and two ends of the rear portion of each cantilever rack are respectively provided with a connecting member; a through hole fixing member 430 is disposed at a position of the rear wall 400 of the cooling compartment 1 corresponding to the through hole 220, and a left fixing member 410 and a right fixing member 420 are disposed at positions of the rear wall 400 corresponding to two sides of the light guide plate 200, respectively;
in the embodiment of the present invention, two cantilever racks arranged side by side are disposed in the refrigeration compartment 2, which are a first cantilever rack 310 and a second cantilever rack 320; the opposite ends of the rear portion of the first cantilever rack 310 are respectively provided with a first left connecting member 311 and a first right connecting member 312, the first left connecting member 311 is connected with the left fixing member 410, and the first right connecting member 312 is connected with the through-hole fixing member 430.
Accordingly, the second left connecting member 321 and the second right connecting member 322 are respectively disposed at two opposite ends of the rear portion of the second cantilever rack 320, the second left connecting member 321 is connected to the through-hole fixing member 430, and the second right connecting member 322 is connected to the right fixing member 420. The heights of the junctions of the first and second cantilever racks 310 and 320 and the through- hole fixtures 430, 410 and 420 are the same, so that the first and second cantilever racks 310 and 320 can be horizontally installed in a refrigerator compartment.
Thus, the first cantilever rack 310 and the second cantilever rack 320 may be disposed side by side in the cooling compartment 2.
In the embodiment of the present invention, the first left connecting member 311, the first right connecting member 312, the second left connecting member 321, and the second right connecting member 322 have the same structure, and are each a locking member, and the locking members are respectively fixedly connected to two ends of the rear portion of each cantilever rack.
A clamping groove 401 is formed in the left side fixing piece 410, the first left connecting piece 311 can be buckled with or separated from the clamping groove 401, similarly, the clamping groove 401 is formed in the right side fixing piece 420, and the second right connecting piece can be buckled with or separated from the clamping groove 401; the through hole fixing member 430 is provided with a slot 402, and both the first right connecting member 312 and the second left connecting member 321 can be buckled with or separated from the slot 402. Thus, the first and second cantilever racks 310 and 320 are detachably mounted on the rear wall 400 of the refrigerating compartment 2.
Further, the plurality of slots 401 are arranged on the left fixing member 410 and the right fixing member 420 at intervals in the vertical direction. The number of the card slots 402 is also multiple, and the card slots 402 are arranged on the through hole fixing member 430 at intervals in the vertical direction, and the height of each card slot 402 is the same as the height of each card slot 401.
The first left and right connectors 311 and 312 of the first cantilever rack 310 are respectively connected to the locking slots 401 and 402 of the left and through- hole fasteners 410 and 410, so that the first cantilever rack 310 can be installed in the cooling compartment 2.
The second left connecting member 321 and the second right connecting member 322 of the second cantilever rack 320 are respectively connected to the locking groove 402 of the through hole fixing member and the locking groove 401 of the right fixing member 420 in a snap-fit manner, so that the second cantilever rack 320 can be installed in the refrigerating compartment 2, and when the second cantilever rack is installed, the two cantilever racks are installed in the locking groove 401 and the locking groove 402 having the same height, so that the two cantilever racks can be maintained at the same height and horizontally arranged side by side.
When the front end of the first cantilever rack 310 is lifted up, the first left and right connectors 311 and 312 are disconnected from the catching groove 401 of the left side fixture 410 and the catching groove 402 of the through-hole fixture, respectively, and the first cantilever rack 310 can move in a vertical direction.
Similarly, when the front end of the second cantilever rack 320 is lifted up, the second left connecting member 321 and the second right connecting member 322 are disconnected from the catching groove 402 of the through-hole fixing member 430 and the catching groove 401 of the right fixing member 410, respectively, and thus the second cantilever rack 320 can move in the vertical direction.
Therefore, when the user adjusts the size of the space defined by the racks according to the different food volume, the front ends of the first and second cantilever racks 310 and 320 can be lifted up and down in the refrigerating compartment. After the required space is determined, the front end of the first cantilever rack 310 may be laid flat, and the first left connecting member 311 and the first right connecting member 312 are respectively connected to the slot 401 of the left side fixing member 410 and the slot 402 of the through hole fixing member by means of the snap fit, and the front end of the second cantilever rack 320 may be laid flat, and the second left connecting member 321 and the second right connecting member 322 are respectively connected to the slot 402 of the through hole fixing member and the slot 401 of the right side fixing member 420 by means of the snap fit, so that the two cantilever racks may be fixed in the refrigerating compartment.
As shown in fig. 4, when the fastener on the connecting member is coupled with the fastener groove of the through-hole fixing member, the size of the fastener groove in the horizontal direction is greater than the sum of the sizes of the two fasteners in the horizontal direction. In order to allow the first right link 312 of the first cantilever rack 310 and the second left link 321 of the second cantilever rack 320 to be snap-coupled to the slot 402 of the through-hole fixture 430, the width of the slot 402 is required to be greater than the sum of the thicknesses of the first right link 312 and the second left link 321 in the horizontal direction.
In summary, in the surface light source assembly 1 of the embodiment of the invention, by adjusting the diameters and densities of the light guiding points at the upper edge 221 and the lower edge 222 of the through hole 220 of the light guiding plate 200, the light of the first region 230 is not too bright, and the light of the second region 240 does not appear dark shadows, so that the light brightness of the first region 230 and the second region 240 is consistent with that of the surrounding regions, and finally, the light of the whole light guiding plate 200 is uniform, thereby satisfying the overall illumination effect of the refrigerator. In addition, the supplementary light source 110 is disposed at the second side 260 of the light guide plate 200, so that the light intensity of the second region 240 is compensated. The first anti-collision frame 223 is disposed at the edge of the through hole 220 to block a bright area where light is reflected, and also prevent the connection structure of the device (such as a cantilever rack) from colliding with the light guide plate 200 and being damaged when the device is installed on the rear wall of the compartment through the through hole. The second anti-collision frames 281 are disposed at the left and right sides of the light guide plate 200 to prevent the light guide plate 200 from being damaged due to collision of the corresponding connection structures when some devices (such as cantilever racks) are installed at the rear wall around the third side. Meanwhile, the through-hole fixing member 430 is disposed at a position of the rear wall 400 of the cooling compartment 2 corresponding to the through-hole 220, and the left fixing member 410 and the right fixing member 420 are disposed at positions of the rear wall 400 corresponding to both sides of the surface light source 1, respectively, so that the connecting members at the rear of the parallel cantilever racks can be connected to the through-hole fixing member 430, the left fixing member 410 and the right fixing member 420, respectively, to realize the arrangement of the parallel cantilever racks in the cooling compartment 2. Moreover, the connecting member at the rear of the cantilever rack is a fastener, which can be respectively fastened to the slots of the through hole fastener 430, the left fastener 410 and the right fastener 420, so that the cantilever rack can be detachably installed in the refrigeration compartment. The through-hole fixing member 430, the left fixing member 410 and the right fixing member 420 are provided with a plurality of slots at intervals in the vertical direction, so that the connecting member is disconnected from the slots when the cantilever rack is lifted, and the connecting member is fastened with the slots again after the cantilever rack moves up and down in the refrigeration compartment, so that the height of the cantilever rack can be adjusted to adapt to foods of different volumes. The refrigerator can realize uniform illumination of the surface light source and fixation of the parallel cantilever racks, and solves the problem that the left/right parallel racks are fixed in a hanging manner when the surface light source is arranged in a refrigeration chamber of the ultra-wide refrigerator.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

Claims (8)

1. A surface light source assembly provided in a refrigerating compartment of a refrigerator, the surface light source assembly comprising: the light source is arranged along the first side edge of the light guide plate;
the front surface of the light guide plate is provided with a plurality of light guide points, a through hole is vertically formed in the middle of the light guide plate, and the through hole comprises an upper edge close to the light source and a lower edge far away from the light source;
a first area is arranged on the front surface of the light guide plate close to the upper edge of the through hole, the diameter of each light guide point in the first area is smaller than that of each light guide point in the peripheral area of the first area, and the density of the light guide points in the first area is smaller than that of the light guide points in the peripheral area of the first area;
a second area is arranged on the front surface of the light guide plate close to the lower edge of the through hole, the diameter of each light guide point in the second area is larger than that of each light guide point in the peripheral area of the second area, and the density of the light guide points in the second area is larger than that of the light guide points in the peripheral area of the second area;
the first area is a fan shape extending upwards from the upper edge of the through hole, and the second area is a fan shape extending downwards from the lower edge of the through hole;
the diameter of each light guide point in the first area is gradually reduced along the direction far away from the light source;
the diameter of each light guide point in the second area is gradually increased along the direction far away from the light source.
2. The surface light source module as claimed in claim 1, wherein the surface light source module further comprises a supplementary light source, the light guide plate includes a second side opposite to the first side, and the supplementary light source is disposed along the second side of the light guide plate.
3. The surface light source module as claimed in claim 1, wherein the diameters of the light guide points on the front surface of the light guide plate except for the first and second regions are gradually increased in a direction away from the light source.
4. The surface light source module as claimed in claim 1, wherein the density of the light guiding points on the front surface of the light guiding plate except for the first region and the second region is gradually increased in a direction away from the light source.
5. The surface light source assembly of claim 1, wherein the light guide plate further includes a rear surface opposite the front surface;
the edge of the through hole is provided with a first anti-collision frame, and the first anti-collision frame extends from the edge of the through hole in the front surface of the light guide plate to the through hole and wraps the edge of the through hole in the rear surface of the light guide plate.
6. The surface light source assembly as claimed in claim 1, wherein the light guide plate further includes two third sides adjacent to the first sides, and the third sides are provided with a second anti-collision frame along a length direction, the second anti-collision frame extending from an edge of the front surface of the light guide plate to the third sides and wrapping up to an edge of the rear surface of the light guide plate.
7. A refrigerator comprising a refrigerating compartment, characterized in that the refrigerator further comprises the surface light source assembly of any one of claims 1 to 6, which is installed in the refrigerating compartment.
8. The refrigerator according to claim 7, wherein the cooling compartment further comprises at least two cantilever racks arranged side by side, and connectors are respectively provided at opposite ends of a rear portion of the cantilever racks;
a through hole fixing piece is arranged on the rear wall of the refrigerating chamber at a position corresponding to the through hole, and a left side fixing piece and a right side fixing piece are respectively arranged on the rear wall at positions corresponding to the two sides of the light guide plate;
the connecting piece at one end of the rear part of one cantilever rack is connected with the left side fixing piece, and the connecting piece at the other end is connected with the through hole fixing piece;
the connecting piece at one end of the rear part of the other cantilever rack is connected with the through hole fixing piece, and the connecting piece at the other end is connected with the right side fixing piece.
CN201711409543.9A 2017-12-23 2017-12-23 Area source assembly and refrigerator with same Active CN109959215B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN201711409543.9A CN109959215B (en) 2017-12-23 2017-12-23 Area source assembly and refrigerator with same
MX2020002470A MX2020002470A (en) 2017-12-23 2018-12-20 Plane light source assembly and refrigerator provided therewith.
US16/611,465 US10877202B2 (en) 2017-12-23 2018-12-20 Surface light source assembly and refrigerator having the same
AU2018391838A AU2018391838B2 (en) 2017-12-23 2018-12-20 Surface light source assembly and refrigerator having the same
EP18890525.1A EP3730880B1 (en) 2017-12-23 2018-12-20 Surface light source assembly and refrigerator provided therewith
PCT/CN2018/122303 WO2019120243A1 (en) 2017-12-23 2018-12-20 Plane light source assembly and refrigerator provided therewith

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711409543.9A CN109959215B (en) 2017-12-23 2017-12-23 Area source assembly and refrigerator with same

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CN109959215A CN109959215A (en) 2019-07-02
CN109959215B true CN109959215B (en) 2020-10-30

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11202331A (en) * 1998-01-20 1999-07-30 Starlite Co Ltd Light guide plate
CN102147078A (en) * 2010-02-09 2011-08-10 鸿富锦精密工业（深圳）有限公司 Back light module and light guide plate thereof
KR20120097550A (en) * 2011-02-25 2012-09-05 엘지전자 주식회사 Refrigerator
CN103322763A (en) * 2013-06-03 2013-09-25 青岛海尔特种电冰箱有限公司 Refrigerator lighting device and refrigerator
CN107036362A (en) * 2017-05-11 2017-08-11 青岛海尔股份有限公司 Refrigerator room and the refrigerator with it

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11202331A (en) * 1998-01-20 1999-07-30 Starlite Co Ltd Light guide plate
CN102147078A (en) * 2010-02-09 2011-08-10 鸿富锦精密工业（深圳）有限公司 Back light module and light guide plate thereof
KR20120097550A (en) * 2011-02-25 2012-09-05 엘지전자 주식회사 Refrigerator
CN103322763A (en) * 2013-06-03 2013-09-25 青岛海尔特种电冰箱有限公司 Refrigerator lighting device and refrigerator
CN107036362A (en) * 2017-05-11 2017-08-11 青岛海尔股份有限公司 Refrigerator room and the refrigerator with it

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Address after: 266101 No. 1 Haier Road, Laoshan District, Shandong, Qingdao

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