CN214468092U - LED lighting module and box-type household appliance - Google Patents

Abstract

The embodiment of the utility model provides a relate to household electrical appliances lighting technology field, concretely relates to LED illumination module and box household electrical appliances, LED illumination module includes: the light guide module comprises a diffusion plate, a light guide plate and semi-transparent reflective paper which are sequentially stacked; the lateral LED lamp panel is arranged on the side edge of the light guide plate, and light rays emitted by the lateral LED lamp panel are emitted out after passing through the light guide module; the hollow back plate is arranged on the back surface of the light guide module and is adjacent to the semi-transparent reflective paper, and at least one hollow part is arranged on the hollow back plate; the back LED lamp plate is located the back of fretwork backplate, the light that its sent passes in proper order fretwork portion the translucent reflective paper the light guide plate reaches jet out behind the diffuser plate. In this way, the utility model discloses the atmosphere of illumination can be built to the LED lighting module, the scene illuminating effect of household electrical appliances is promoted.

Description

LED lighting module and box-type household appliance

Technical Field

The embodiment of the utility model provides a relate to household electrical appliances lighting technology field, concretely relates to LED lighting module and box household electrical appliances.

Background

The existing box type household appliance, such as a refrigerator or a dish washing machine, realizes the illumination of the interior of the household appliance through the LED panel lamp arranged on the inner wall of the household appliance, and although the LED panel lamp has the characteristics of good illumination effect, energy conservation, environmental protection, long service life and the like, the visual effect is monotonous, so that the illumination atmosphere cannot be created.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the embodiment of the utility model provides a LED lighting module and box household electrical appliances are provided to can build the atmosphere of illumination, promote the scene illuminating effect of household electrical appliances.

According to the utility model discloses an aspect of the embodiment provides a LED lighting module, include: the light guide module comprises a diffusion plate, a light guide plate and semi-transparent reflective paper which are sequentially stacked; the lateral LED lamp panel is arranged on the side edge of the light guide plate, and light rays emitted by the lateral LED lamp panel are emitted out after passing through the light guide module; the hollow back plate is arranged on the back surface of the light guide module and is adjacent to the semi-transparent reflective paper, and at least one hollow part is arranged on the hollow back plate; the back LED lamp plate is located the back of fretwork backplate, the light that its sent passes in proper order fretwork portion the translucent reflective paper the light guide plate reaches jet out behind the diffuser plate.

In an optional mode, the lateral LED lamp panel comprises a lateral lamp panel body and is arranged at the position where the lateral LED lamp panel body faces the lateral LED lamp bead on one side of the light guide plate, and the back LED lamp panel comprises a back lamp panel body and is arranged on the back lamp panel body and corresponds to the hollow part.

In an optional mode, the quantity of fretwork portion is a plurality of, and is a plurality of the fretwork portion is array distribution, back LED lamp plate includes that at least one bar sets up back lamp plate body, every bar sets up be equipped with at least one on the back lamp plate body back LED lamp pearl.

In an alternative, the lateral LED lamp beads and the back LED lamp beads are each independently a white LED, an RGB LED, or a combination thereof.

In an alternative mode, the diffusion plate, the light guide plate, the semi-transparent reflective paper and the hollowed-out back plate are hermetically connected at the outer edges of each other.

In an optional mode, the LED lighting module further comprises an outer frame body, the outer frame body is clamped on the light guide module and the outer side edge of the hollow back plate, the lateral LED lamp panel is fixed in the outer frame body, the outer frame body is connected with the light guide module and the hollow back plate in a sealing mode, and a fixing structure is arranged on the back of the hollow back plate and/or the outer frame body and used for fixing the LED lighting module.

In an optional mode, the LED lighting module further includes a controller, and the controller is electrically connected to the back LED lamp bead and is configured to control the back LED lamp bead.

In an optional mode, the shape of the hollow-out part comprises one or a combination of the following arbitrary shapes: snowflake, drop, square, round, diamond, triangular.

According to the utility model discloses another aspect of the embodiment provides a box household electrical appliances, including the box, and above-mentioned arbitrary LED lighting module, LED lighting module fixed mounting be in on the inner wall of box.

In an optional mode, the inner wall of box seted up with the mounting groove of LED lighting module outline adaptation, LED lighting module fixed connection be in the mounting groove, LED lighting module still includes the joint and is in leaded light module with outer framework on the outside edge of fretwork backplate, the back of fretwork backplate and/or be equipped with fixed knot in the outer framework and construct, be equipped with in the mounting groove with the cooperation structure that fixed knot constructs and connects.

The LED lighting module of the embodiment of the utility model can lead the light of the back LED lamp panel to pass through the light guide module by arranging the semi-transparent reflective paper, and then the hollow back plate with the hollow part is arranged at the back of the light guide module, the back part of the hollow back plate is provided with a back LED lamp plate, so that the light of the back LED lamp plate can sequentially penetrate through the hollow part, the semi-permeable reflective paper, the light guide plate and the diffusion plate and then be emitted out, thereby forming bright spots of the patterns or contents shown by the hollow parts on the diffusion plate, so that the LED lighting module realizes the lighting function and simultaneously, the lighting atmosphere can be created, the patterns or the contents shown by the hollow parts can be matched with the application scene of the LED lighting module, for example, the hollow-out part can be set into a snowflake pattern and apply the LED lighting module to the refrigerator, the effect of snowflake falling is rendered, and the scene lighting effect of the LED lighting module is improved by combining with the refrigerator scene.

The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic structural diagram of an LED lighting module according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a partial explosion structure of an LED lighting module according to an embodiment of the present invention;

fig. 3 is an exploded schematic view of an LED lighting module according to an embodiment of the present invention;

FIG. 4 is an enlarged partial schematic view of FIG. 2 at A;

FIG. 5 is a schematic view of the enlarged partial structure of FIG. 2 at B;

fig. 6 is a schematic front structural view of a hollowed-out back plate in an LED lighting module according to an embodiment of the present invention;

fig. 7 is a partially enlarged structural view at C of fig. 6.

The reference numbers in the detailed description are as follows:

the LED lighting module 100, the light guide module 110, the diffuser plate 111, the light guide plate 112, the semi-transparent reflective paper 113, the side direction LED lamp plate 120, the side direction lamp plate body 121, the side direction LED lamp pearl 122, the fretwork backplate 130, snowflake fretwork pattern 131, back LED lamp plate 140, back lamp plate body 141, back LED lamp pearl 142.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Referring to fig. 1 to 3, according to an aspect of an embodiment of the present invention, an LED lighting module 100 is provided, in which a specific structure of the LED lighting module 100 is shown. The LED illumination module 100 includes: the LED backlight module comprises a light guide module 110, a lateral LED lamp panel 120, a hollowed-out back panel 130 and a back LED lamp panel 140, wherein the light guide module 110 comprises a diffusion plate 111, a light guide plate 112 and semi-transparent reflective paper 113 which are sequentially stacked; the lateral LED lamp panels are disposed at the side of the light guide plate 112, and light emitted therefrom is emitted through the light guide module 110; the hollow back plate 130 is disposed on the back of the light guide module 110 and adjacent to the transflective paper 113, at least one hollow portion (for example, a snowflake hollow pattern 131 shown in fig. 6) is disposed on the hollow back plate 130, the back LED lamp panel 140 is disposed on the back of the hollow back plate 130, and light emitted from the hollow back plate passes through the hollow portion, the transflective paper 113, the light guide plate 112, and the diffusion plate 111 in sequence and is emitted.

The utility model discloses LED lighting module 100 makes the light of back LED lamp plate 140 can pass through light guide module 110 through setting up translucent reflective paper 113, again through the fretwork backplate 130 that has fretwork portion in the back setting of light guide module 110, back at fretwork backplate 130 sets up back LED lamp plate 140, make the light of back LED lamp plate 140 can pass fretwork portion in proper order, translucent reflective paper 113, jet out behind light guide plate 112 and the diffuser plate 111, thereby form the bright spot of the shown pattern of fretwork portion or content on diffuser plate 111, make LED lighting module 100 when realizing the illumination function, can build the atmosphere of illumination, for example can correspond with LED lighting module 100's application scene through the pattern that will fretwork portion or content, promote LED lighting module 100's scene illuminating effect.

In some embodiments, the translucent reflective paper 113 is provided with a light-transmitting area at a position corresponding to the hollow portion, so that light emitted from the back LED lamp panel 140 can smoothly pass through the translucent reflective paper 113, one surface of the translucent reflective paper 113 facing the hollow back plate 130 is a light-reflecting surface in other areas except the light-transmitting area, so that light irradiated from the back LED lamp panel 140 outside the light-transmitting area is all reflected back, thereby preventing light leakage from the translucent reflective paper 113 affecting the lighting and display effects of the LED lighting module 100, the hollow back plate 130 can be made of a light-proof material, so as to prevent light emitted from the back LED lamp panel 140 from passing through the hollow back plate 130 and irradiating on the translucent reflective paper 113 more, because more light irradiated to the translucent reflective paper 113 causes a higher possibility of partial light leakage of the translucent reflective paper 113, and light leakage causes a lower display effect of the back of the LED lighting module 100, the number of side direction LED lamp plate 120 is one and locates one of them side of light guide plate 112, and side direction LED lamp plate 120 passes through glue to bond at the side of light guide plate 112, and back LED lamp plate 140 passes through glue to bond on fretwork backplate 130. It is understood that in other embodiments, the number of the lateral LED lamp panels 120 may also be multiple that are disposed on the side of the light guide plate 112; the back LED lamp panel 140 can also be connected to the hollow back plate 130 through screws.

Referring to fig. 4 and 5, specific structures of the lateral LED lamp panel 120 and the back LED lamp panel 140 of the LED lighting module 100 according to an embodiment of the present invention are respectively shown in the drawings. In some embodiments, the lateral LED lamp panel 120 may include a lateral lamp panel body 121 and a lateral LED lamp bead 122 disposed on the lateral lamp panel body 121 toward one side of the light guide plate 112, and the back LED lamp panel 140 includes a back lamp panel body 141 and a back LED lamp bead 142 disposed on the back lamp panel body 141 and corresponding to the hollow portion.

The utility model relates to an among the LED lighting module 100 side direction LED lamp pearl 122 give off light and be the area source behind the light guide module 110 and jet out, realize the illumination function, back LED lamp pearl 142 is luminous through fretwork portion and light guide module 110 after, presents the bright spot of corresponding pattern on diffuser plate 111 to build the illumination atmosphere of LED lighting module 100.

In the specific embodiment shown in fig. 4 and 5, a plurality of lateral LED beads 122 are uniformly distributed on the lateral lamp panel body 121. It is understood that in other embodiments, the lateral LED beads 122 may be distributed in other forms, which is not limited herein.

Further, referring to fig. 5 and 6, fig. 6 shows a front structure of the hollowed-out back plate. In some embodiments, the number of the hollow portions may be multiple, and the multiple hollow portions are distributed in an array, the back LED lamp panel 140 includes a back lamp panel body 141 of at least one bar setting, and the back lamp panel body 141 of each bar setting is provided with at least one back LED lamp bead 142.

The utility model relates to an in LED lighting module 100 set up fretwork portion to be a plurality of that are array distribution, further promote the effect that the illumination atmosphere was built, through setting up back lamp plate body 141 to the bar, realize saving back lamp plate body 141 required material, reduction in production cost to back LED lamp pearl 142 installation fixed time.

In the specific embodiment shown in fig. 2 and 5, the hollow portions are distributed in a matrix, the back LED lamp panel 140 includes a back lamp panel body 141 with 7 bar-shaped arrangements, and a plurality of back LED lamp beads 142 are arranged on the back lamp panel body 141 with each bar-shaped arrangement. It can be understood that in other embodiments, the hollow portion may also be distributed in other arrays, for example, may be distributed in a plurality of concentric circles, and the back lamp panel body 141 is provided as a bar-shaped circular ring, and one or more back LED lamp beads 142 may be provided on each back lamp panel body 141.

In some embodiments, the lateral LED beads 122 can be white LEDs, RGB LEDs, or a combination thereof, and the back LED beads 142 can likewise be white LEDs, RGB LEDs, or a combination thereof. Through adopting the LED of different colours, can promote the contrast between light each other to promote the atmosphere and build the effect with the scene illumination.

In some embodiments, the diffusion plate 111, the light guide plate 112, the transflective paper 113, and the hollowed-out back plate 130 may be hermetically connected at the outer edge. Through all sealing connections between each part of light guide module 110 itself and between the fretwork backplate 130, promote the waterproof performance of LED lighting module 100.

In a specific embodiment, the diffusion plate 111, the light guide plate 112, and the transflective paper 113 are hermetically connected by applying a waterproof adhesive at outer edges, and the transflective paper 113 and the hollow back plate 130 are fixedly connected by hot melting or applying a waterproof adhesive. It can be understood that, in another embodiment, if the waterproof requirement on the LED lighting module 100 is not high, the translucent reflective paper 113 and the hollowed-out back plate 130 may also be fixedly connected by screws or other intermediate fixing members.

In some embodiments, the LED lighting module 100 may further include an outer frame body, the outer frame body is clamped on the outer edges of the light guide module 110 and the hollow back plate 130, the lateral LED lamp panel 120 is fixed in the outer frame body, the outer frame body is hermetically connected to the light guide module 110 and the hollow back plate 130, and a fixing structure is disposed on at least one of the back of the hollow back plate 130 and the outer frame body for fixing the LED lighting module 100.

The utility model discloses a LED lighting module 100 of embodiment is through setting up outer frame body, realize fixing and the protection to side direction LED lamp plate 120 on the one hand, on the other hand realizes further fixing to leaded light module 110 and fretwork backplate 130, sealing connection between outer frame body and leaded light module 110 and the fretwork backplate 130 simultaneously, further improve LED lighting module 100's waterproof performance, and through set up fixed knot on outer frame body, at least one in the fretwork backplate constructs, so that LED lighting module 100's installation is fixed.

In a specific embodiment, the lateral LED lamp panel 120 may be connected to the outer frame body through glue or a lock screw, the outer frame body may be connected to the light guide module 110 and the hollow back plate 130 through a sealing ring or a sealing gasket, and the fixing structure may be a buckle or a threaded fastener.

In some embodiments, the LED lighting module 100 can further include a controller electrically connected to the back LED bead 142 for controlling the back LED bead 142. The controller can be used to control the brightness and lighting frequency of the back LED lamp bead 142, so as to adjust the brightness and flashing frequency of the pattern bright spot of the hollow portion on the light guide module 110, and further improve the lighting effect and interest of the LED lighting module 100.

In some embodiments, the shape of the hollow-out portion may include one or a combination of any one of the following shapes: snowflake, drop, square, round, diamond, triangular. By arranging the hollowed-out parts into different shapes or combinations thereof, the LED lighting module 100 can be applied to lighting of different scenes, and can correspond to a specific scene on a theme, thereby improving the lighting effect.

It is understood that the hollow portion is not limited to the above shapes, and may also be a polygon, and the details are not described herein.

In the specific embodiment shown in fig. 7, the hollow portion adopts the snowflake hollow pattern 131, so that the LED lighting module 100 can be applied to scenes such as a refrigerator and a freezer, and the lighting atmosphere of the scene is created while the lighting function is realized.

According to another aspect of the embodiment of the present invention, there is provided a box-type household electrical appliance, for example, a refrigerator, a dishwasher, etc., wherein the box-type household electrical appliance includes a box body and the LED lighting module 100 of any one of the above embodiments, and the LED lighting module 100 is fixedly installed on the inner wall of the box body.

In a specific use, the hollow-out portion of the LED lighting module 100 applied to the refrigerator may be a snowflake pattern or an ice-cube pattern, for example, and the hollow-out portion of the LED lighting module 100 applied to the dishwasher may be a water drop pattern, for example, to achieve atmosphere warming in lighting a specific application scene.

In some embodiments, the inner wall of the box body may be provided with a mounting groove adapted to the outer contour of the LED lighting module 100, the LED lighting module 100 is fixedly connected in the mounting groove, the LED lighting module 100 may further include an outer frame body clamped on the outer edge of the light guide module 110 and the hollow back plate 130, the back and/or the outer frame body of the hollow back plate 130 is provided with a fixing structure, and the mounting groove is provided with a matching structure connected with the fixing structure.

By accommodating and fixing the LED lighting module 100 in the mounting groove, the occupation of the space of the LED lighting module 100 to the inner space of the box body is reduced, and the mounting groove can protect the LED lighting module 100.

In specific embodiment, fixed knot constructs can be elastic buckle, and the cooperation structure is the draw-in groove of seting up in the mounting groove, and LED lighting module 100 block is connected in the mounting groove, and the installation is swift and easy dismounting, and perhaps fixed knot constructs also can the screw, and the cooperation structure is the screw hole of seting up in the mounting groove, and LED lighting module 100 threaded connection connects reliable and stable in the mounting groove.

It should be noted that unless otherwise indicated, technical or scientific terms used in accordance with embodiments of the present invention shall have the ordinary meaning as understood by those skilled in the art to which embodiments of the present invention pertain.

In the description of the embodiments of the present invention, the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for convenience of description and simplification of the description, but does not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present invention.

Furthermore, the technical terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the embodiments of the present invention, unless explicitly specified or limited otherwise, the terms "mounted," "connected," and "fixed" are used in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; mechanical connection or electrical connection is also possible; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, a first feature may be directly contacting a second feature or indirectly contacting the first and second features through intervening media. Furthermore, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely below the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (10)

1. The utility model provides a LED lighting module, is applied to box household electrical appliances, its characterized in that includes:

the light guide module comprises a diffusion plate, a light guide plate and semi-transparent reflective paper which are sequentially stacked;

the lateral LED lamp panel is arranged on the side edge of the light guide plate, and light rays emitted by the lateral LED lamp panel are emitted out after passing through the light guide module;

the hollow back plate is arranged on the back surface of the light guide module and is adjacent to the semi-transparent reflective paper, and at least one hollow part is arranged on the hollow back plate;

the back LED lamp plate is located the back of fretwork backplate, the light that its sent passes in proper order fretwork portion the translucent reflective paper the light guide plate reaches jet out behind the diffuser plate.

2. The LED lighting module of claim 1, wherein the lateral LED lamp panel comprises a lateral lamp panel body and lateral LED lamp beads arranged on the lateral lamp panel body and facing one side of the light guide plate, and the back LED lamp panel comprises a back lamp panel body and back LED lamp beads arranged on the back lamp panel body and corresponding to the hollow portions.

3. The LED lighting module of claim 2, wherein the number of the hollow portions is multiple, the hollow portions are distributed in an array, the back LED lamp panel comprises the back lamp panel body with at least one bar, and the back lamp panel body with each bar is provided with at least one back LED lamp bead.

4. The LED lighting module of claim 2 wherein the lateral LED beads, the back LED bead are each independently a white LED, an RGB LED, or a combination thereof.

5. The LED lighting module of claim 1, wherein the diffuser plate, the light guide plate, the semi-transparent reflective paper and the hollowed-out back plate are hermetically connected at outer edges of each other.

6. The LED lighting module of claim 5, further comprising an outer frame body, wherein the outer frame body is clamped on the outer edges of the light guide module and the hollowed-out back plate, the lateral LED lamp panel is fixed in the outer frame body, the outer frame body is hermetically connected with the light guide module and the hollowed-out back plate, and a fixing structure is arranged on the back of the hollowed-out back plate and/or the outer frame body and used for fixing the LED lighting module.

7. The LED lighting module of claim 2 further comprising a controller electrically connected to the back LED bead for controlling the back LED bead.

8. The LED lighting module of claim 1, wherein the shape of the hollowed-out portion comprises one or a combination of any of the following shapes: snowflake, drop, square, round, diamond, triangular.

9. A box-type household appliance, which is characterized by comprising a box body and the LED lighting module as claimed in any one of claims 1 to 8, wherein the LED lighting module is fixedly arranged on the inner wall of the box body.

10. The box-type household appliance according to claim 9, wherein the inner wall of the box body is provided with a mounting groove adapted to the outer contour of the LED lighting module, the LED lighting module is fixedly connected in the mounting groove, the LED lighting module further comprises an outer frame body clamped on the outer edges of the light guide module and the hollow back plate, a fixing structure is arranged on the back of the hollow back plate and/or the outer frame body, and a matching structure connected with the fixing structure is arranged in the mounting groove.

Images