CN217329462U - LED lamp - Google Patents

Abstract

The utility model belongs to the technical field of lighting apparatus, especially, relate to a LED lamp, include: the shell is provided with an accommodating space and a light outlet communicated with the accommodating space; the LED light source is arranged in the accommodating space; the lens component is installed in the containing space and comprises a first lens plate and a second lens plate, one side edge of the first lens plate is connected with one side edge of the second lens plate, the first lens plate comprises a first light incoming surface and a first light outgoing surface, the second lens plate comprises a second light incoming surface and a second light outgoing surface, the first light outgoing surface and the second light incoming surface are arranged in an angle mode, the LED light source is arranged on one side of the first light incoming surface of the first lens plate, at least one part of light emitted by the LED light source irradiates the second light incoming surface through the first lens plate, and the light outgoing surface irradiates a light outlet through the second light outgoing surface. The technical scheme is applied to solve the problem of poor illumination uniformity of the LED lamp in the prior art.

Description

LED lamp

Technical Field

The utility model belongs to the technical field of lighting apparatus, especially, relate to a LED lamp.

Background

The existing LED lamp, especially the desk lamp, adopts the light guide plate to match with the light guide and light emitting modes of the diffusion plate, the LED lamp is arranged on the side edge of the light guide plate, and after light enters the light guide plate, the light is transmitted to the light transmission and emergent of the diffusion plate by the light guide plate so as to carry out illumination. However, through testing the actual illumination of the LED lamp, it can be known that the illumination uniformity of this solution is poor, and the eye health of the user, especially the eye health of teenagers, cannot be well protected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED lamp aims at solving the poor problem of illumination homogeneity of prior art's LED lamp.

In order to achieve the above object, the utility model adopts the following technical scheme: an LED light fixture comprising:

the shell is provided with an accommodating space and a light outlet communicated with the accommodating space, and the light outlet is used for emitting light for illumination;

the LED light source is arranged in the accommodating space;

the lens component is installed in the containing space and comprises a first lens plate and a second lens plate, one side edge of the first lens plate is connected with one side edge of the second lens plate, the first lens plate comprises a first light incoming surface and a first light outgoing surface, the second lens plate comprises a second light incoming surface and a second light outgoing surface, the first light outgoing surface and the second light incoming surface are arranged in an angle mode, the LED light source is arranged on one side of the first light incoming surface of the first lens plate, at least one part of light emitted by the LED light source irradiates the second light incoming surface through the first lens plate, and the light outgoing surface irradiates a light outlet through the second light outgoing surface.

Use the embodiment of the utility model provides a LED lamp throws light on, and the light that the LED light source was launched is penetrated from first play plain noodles through transmission from the first income plain noodles of first lens board, and partly light direct irradiation that is penetrated by first play plain noodles goes into the plain noodles to the second, penetrates from the second play plain noodles through transmission and throws out in order to throw light on. Light is refracted to the second lens plate through the first lens plate and then refracted to emit light, and light emitting illumination is increased through the refracted light and the emitted light is more uniform.

Optionally, the LED lamp further includes a reflector installed in the accommodating space, the reflector is disposed on a side of the lens member away from the light exit, and a reflection surface of the reflector faces the first light exit surface and the second light entrance surface.

Optionally, one end of the reflection surface is connected to the first light emitting surface, the other end of the reflection surface is connected to the second light incident surface, and a distance between the reflection surface and the second light incident surface gradually decreases from the first light emitting surface to a position where the reflection surface is connected to the second light incident surface.

Alternatively, the reflecting surface is a curved surface protruding in a direction away from the lens member, and a middle position of the reflecting surface is set to be recessed with respect to the reflecting surface in the direction away from the lens member.

The lens component and the reflector are applied in the LED lamp, after the light rays emitted by the LED light source are reflected by the reflecting surface of the reflector and the light rays directly irradiated to the second light incident surface by the first light emergent surface are refracted and transmitted by the second lens plate, the irradiation range of the light rays emitted from the second light emergent surface extends out for a certain distance in the direction far away from the LED light source, so that the light irradiation distance is longer.

Optionally, an angle between the first light emitting surface and the second light incident surface is β, and β is greater than or equal to 60 ° and less than or equal to 120 °.

Optionally, the first lens plate and the second lens plate are integrally molded members.

Optionally, the first lens plate is provided with a plurality of concave portions, the concave surface of each concave portion is a partial cylindrical surface, and the concave portions are arranged at intervals along the length direction of the first lens plate.

Like this, just so make the plane of reflection of middle part position can be to the more light of the both ends reflection of second income plain noodles to the illumination brightness of the both sides that use the desk lamp as the mid point of reinforcing mesa, that is exactly to the illumination standard of desk lamp on the fan-shaped regional relatively poor position of both ends illumination brightness of illuminance has carried out the light filling, thereby makes the fan-shaped regional interior illumination light of illuminance of desk lamp more even, helps protecting user's eye health.

Optionally, the second lens plate is embedded in the light outlet, a plurality of light-transmitting protrusions are arranged on the second light-emitting surface of the second lens plate, and two adjacent light-transmitting protrusions are connected.

Optionally, the housing includes an upper cover and a lower cover, the upper cover and the lower cover form an accommodation space, the light outlet is opened in the lower cover, and a mounting portion is provided on a side wall of the lower cover close to the LED light source, the mounting portion being used for mounting and fixing to the fixing body.

Optionally, the LED lamp is a table lamp, and the fixing body is a lamp holder.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a front view of a light outlet direction of an LED lamp according to an embodiment of the present invention;

fig. 2 is an exploded view of an LED lamp according to an embodiment of the present invention;

fig. 3 is a first schematic structural diagram of a lens member of an LED lamp according to an embodiment of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

fig. 5 is a second schematic structural diagram of a lens member of an LED lamp according to an embodiment of the present invention;

fig. 6 is a schematic back structure view of a reflector of an LED lamp according to an embodiment of the present invention;

FIG. 7 is a schematic view of the reflector shown in FIG. 6 showing the structure of the reflecting surface;

FIG. 8 is a cross-sectional view taken along line B-B of FIG. 7;

fig. 9 is a schematic view of a propagation path of light emitted from the LED light source of the LED lamp between the lens member and the reflector according to the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10. a housing; 1. an upper cover; 2. a lower cover; 21. an installation part; 3. an accommodating space; 4. a light outlet;

5. an LED light source;

6. a reflector; 61. a reflective surface; 62. a middle position;

7. a lens member; 71. a first lens plate; 711. a first light incident surface; 712. a first light emitting surface; 713. a concave surface portion; 72. a second lens plate; 721. a second light incident surface; 722. a second light emitting surface; 723. and (4) light-transmitting bulges.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

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

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

As shown in fig. 1, 2, 3 and 5, an LED lamp according to an embodiment of the present invention includes a housing 10, an LED light source 5 and a lens member 7, wherein the lens member 7 includes a first lens plate 71 and a second lens plate 72.

Specifically, the housing 10 is provided with an accommodating space 3 and a light outlet 4 communicating with the accommodating space 3, the light outlet 4 is used for emitting light for illumination, the LED light source 5 is installed in the accommodating space 3, and the lens member 7 is installed in the accommodating space 3.

In the embodiment of the present invention, as shown in fig. 3 to fig. 5, one side edge of the first lens plate 71 is connected to one side edge of the second lens plate 72, the first lens plate 71 includes a first light incident surface 711 and a first light emergent surface 712, the second lens plate 72 includes a second light incident surface 721 and a second light emergent surface 722, the first light emergent surface 712 and the second light incident surface 721 are disposed at an angle, the LED light source 5 is disposed on one side of the first light incident surface 711 of the first lens plate 71, at least a part of the light emitted by the LED light source 5 irradiates the second light incident surface 721 through the first lens plate 71, and irradiates the light outlet 4 through the second light emergent surface 722.

Use the embodiment of the utility model provides an LED lamp throws light on, and the light that LED light source 5 launched jets out from first play plain noodles 712 through transmission from the first income plain noodles 711 incidence of first lens plate 71, and the partly light direct irradiation who jets out by first play plain noodles 712 jets out goes into plain noodles 721 to the second, jets out from second play plain noodles 722 through transmission and throws out in order to throw light on. The light is refracted to the second lens plate 72 through the first lens plate 71 and then refracted out of the light, and the light illumination is increased and the light is more uniform by the refracted light.

Specifically, in the embodiment of the present invention, the second lens plate 72 is fitted in the light exit 4, so that the thickness of the lamp can be reduced, and the compact design can be realized.

As shown in fig. 2, 6 to 8, the LED lamp further includes a reflector 6, and a part of the light emitted from the first light emitting surface 712 is directly irradiated to the second light incident surface 721, and a part of the light is reflected by the reflector 6 and is irradiated to the second light incident surface 721.

Specifically, the reflector 6 is installed in the accommodating space 3, the reflector 6 is disposed on a side of the lens member 7 away from the light outlet 4, and the reflection surface 61 of the reflector 6 faces the first light outlet surface 712 and the second light inlet surface 721, that is, the reflector 6 covers the lens member 7.

Thus, the part of the light irradiated from the first light emitting surface 712 to the reflecting surface 61 is reflected to the second light incident surface 721.

As shown in fig. 9, when the light emitted from the LED light source 5 enters the first lens plate 71 and exits from the first light exiting surface 712, a portion of the exiting light directly irradiates the second light entering surface 721 downward, another portion of the exiting light irradiates the reflecting surface 61 upward, the reflecting surface 61 reflects the portion of the light to the second light entering surface 721, and finally the light is refracted by the second lens plate 72 and then exits from the second light exiting surface 722 for illumination.

After the light reflected by the reflecting surface 61 of the reflector 6 and the light directly incident on the second light incident surface 721 from the first light emitting surface 712 are refracted and propagated by the second lens plate 72, the irradiation range of the light emitted from the second light emitting surface 722 extends a distance away from the LED light source 5, so that the light emitting distance is further.

The embodiment of the utility model provides a LED lamps and lanterns include but not limited to the desk lamp, for example also can be the street lamp, and below all explains for the desk lamp with the LED lamps and lanterns.

In the embodiment of the present invention, one end of the reflective surface 61 is connected to the first light emitting surface 712, and the other end of the reflective surface 61 is connected to the second light incident surface 721.

Thus, all the light rays incident from the LED light source 5 can be transmitted to the second light incident surface 721 and transmitted into the second lens plate 72.

Then, all light rays exit from the second light emitting surface 722 for illumination, and the utilization efficiency of the light is improved.

As shown in fig. 9, the distance between the reflection surface 61 and the second light incident surface 721 gradually decreases from the first light emitting surface 712 to the contact position between the reflection surface 61 and the second light incident surface 721.

As shown in fig. 8, the reflecting surface 61 is a curved surface protruding in a direction away from the lens member 7.

In this way, the light emitted from the second light emitting surface 722 of the desk lamp can extend towards the user as much as possible, but does not extend too far beyond the illumination standard of the desk lamp, so that the illumination brightness of the desk top far away from the desk lamp is enhanced as much as possible on the basis of meeting the illumination standard.

As shown in fig. 6 and 7, the middle position 62 of the reflecting surface 61 is provided so as to be recessed with respect to the reflecting surface 61 in a direction away from the lens member 7 (the middle position 62 of the reflecting surface 61 means a middle area in the length direction of the reflector 6, that is, an area range of the middle position 62 has a certain width in the length direction of the reflector 6, and may span the entire width of the reflector 6 or may be smaller than the width of the reflector 6 in a direction perpendicular to the length direction of the reflector 6).

Like this, just so make middle part position 62's plane of reflection can be to the more light of the both ends reflection of second income plain noodles 721 to the illumination brightness of the both sides that use the desk lamp as the midpoint of reinforcing mesa, that is exactly to the illumination standard of desk lamp on the fan-shaped regional relatively poor position of both ends illumination brightness of illuminance has carried out the light filling, thereby makes the fan-shaped regional interior illumination light of illuminance of desk lamp more even, helps protecting user's eye health.

Moreover, in order to further realize more uniform light emission, as shown in fig. 1, a plurality of light-transmitting protrusions 723 are provided on a plate surface of the second lens plate 72 facing away from the reflector 6, and two adjacent light-transmitting protrusions 723 are connected. Thus, the light can be more uniformly irradiated onto the table after being emitted through the light-transmitting protrusion 723.

In the embodiment of the present invention, the first lens plate 71 and the second lens plate 72 are integrally formed members, that is, the lens member 7 is an integrally formed member.

Preferably, the lens member 7 is an injection molded part, which is easy and fast to manufacture.

Accordingly, the reflector 6 is also an injection molded part, and after the injection molding of the reflector 6 and the mold release, the inner side surface of the reflector 6 is polished to form the reflecting surface 61, or the reflecting surface 61 is formed by coating the reflecting layer on the inner side surface of the reflector 6 (the reflecting layer may be white oil, or may be a mirror coating, etc.).

As shown in fig. 5, an angle between the first light exiting surface 712 and the second light entering surface 721 is β. In order to reduce the cost in manufacturing the lens member 7, it is preferable to complete the injection molding of the integral lens member 7 by using one set of molds, and therefore it is necessary to consider how to separate the upper mold and the lower mold after completing the injection molding of the lens member 7 to complete the mold releasing operation.

Because the light-transmitting protrusion 723 is disposed on the second light-emitting surface 722 of the second lens plate 72, the lower mold can only be demolded downward, and therefore, an included angle β between the first light-emitting surface 712 and the second light-entering surface 721 is not too small when the included angle β is an acute angle, which results in that the demolding is impossible and the light emitted by the LED light source 5 cannot irradiate the reflecting surface 61, and in addition, an included angle β between the first light-emitting surface 712 and the second light-entering surface 721 is not too large when the included angle β is an obtuse angle, which results in that the light emitted by the LED light source 5 cannot irradiate the second light-entering surface 721, preferably, β is not less than 60 ° and not more than 120 °, and more preferably, β is not more than 90 °.

In the embodiment of the present invention, the first light emitting surface 712 is perpendicular to the second light incident surface 721.

As shown in fig. 3 and 4, the first lens plate 71 is provided with a plurality of concave portions 713, the concave surfaces of the concave portions 713 are partial cylindrical surfaces, and the concave portions 713 are arranged at intervals along the longitudinal direction of the first lens plate 71. In the embodiment of the present invention, when β is 90 °, the center line of the concave surface is perpendicular to the second lens plate 72.

Like this, the light that LED light source 5 transmitted shines on concave part 713, light can shine to the both ends direction of lens component 7, thereby distribute more light to the both ends of lens component 7 and carry out the light-emitting illumination, the illumination brightness of the both sides that use the desk lamp as the mid point of mesa has been strengthened, that is to illumination standard to the desk lamp about the fan-shaped regional relatively poor position of both ends illumination brightness of illumination have carried out the light filling, thereby make illumination light more even in the fan-shaped regional of illumination of desk lamp, help protecting user's eye health.

As shown in fig. 2, the housing 10 includes an upper cover 1 and a lower cover 2, the upper cover 1 and the lower cover 2 are both injection-molded parts and are respectively and independently injection-molded and then assembled together to form the housing 10, the upper cover 1 and the lower cover 2 cover to form the accommodating space 3, and the light outlet 4 is opened in the lower cover 2.

The embodiment of the utility model provides an in, be equipped with installation department 21 on the lateral wall that lower cover 2 is close to LED light source 5, installation department 21 is used for the installation fixed to the fixed body on, the fixed body is the lamp stand of desk lamp promptly.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. An LED light fixture comprising:

the LED lamp comprises a shell (10), wherein the shell (10) is provided with an accommodating space (3) and a light outlet (4) communicated with the accommodating space (3), and the light outlet (4) is used for emitting light for illumination;

an LED light source (5), the LED light source (5) being mounted in the accommodation space (3);

characterized in that, LED lamps and lanterns still include:

the lens component (7) is installed in the accommodating space (3), the lens component (7) comprises a first lens plate (71) and a second lens plate (72), one side edge of the first lens plate (71) is connected with one side edge of the second lens plate (72), the first lens plate (71) comprises a first light incident surface (711) and a first light emergent surface (712), the second lens plate (72) comprises a second light incident surface (721) and a second light emergent surface (722), the first light emergent surface (712) and the second light incident surface (721) are arranged at an angle, the LED light source (5) is arranged on one side of the first light incident surface (711) of the first lens plate (71), at least one part of light emitted by the LED light source (5) passes through the first lens plate (71) and then irradiates to the second light incident surface (721), and irradiates out of the light outlet (4) through the second light-emitting surface (722).

2. The LED light fixture of claim 1,

the LED lamp further comprises a reflector (6), the reflector (6) is installed in the accommodating space (3), the reflector (6) is arranged on one side, away from the light outlet (4), of the lens component (7), and the reflecting surface (61) of the reflector (6) faces towards the first light outlet surface (712) and the second light inlet surface (721).

3. The LED light fixture of claim 2,

one end of the reflecting surface (61) is connected with the first light emitting surface (712), the other end of the reflecting surface (61) is connected with the second light incident surface (721), and the distance between the reflecting surface (61) and the second light incident surface (721) is gradually reduced from the first light emitting surface (712) to the direction of the connection position of the reflecting surface (61) and the second light incident surface (721).

4. The LED light fixture of claim 3,

the reflecting surface (61) is a curved surface that protrudes in a direction away from the lens member (7), and a middle position (62) of the reflecting surface (61) is provided so as to be recessed with respect to the reflecting surface (61) in a direction away from the lens member (7).

5. LED luminaire according to any one of claims 1 to 4,

the angle between the first light emitting surface (712) and the second light incident surface (721) is beta, and beta is more than or equal to 60 degrees and less than or equal to 120 degrees.

6. The LED light fixture of claim 5,

the first lens plate (71) and the second lens plate (72) are integrally molded members.

7. The LED light fixture of claim 1 wherein,

the first lens plate (71) is provided with a plurality of concave surface portions (713), the concave surface of each concave surface portion (713) is a partial cylindrical surface, and the concave surface portions (713) are arranged at intervals along the length direction of the first lens plate (71).

8. The LED light fixture of claim 1,

the second lens plate (72) is embedded in the light outlet (4), a plurality of light-transmitting bulges (723) are arranged on a second light-emitting surface (722) of the second lens plate (72), and two adjacent light-transmitting bulges (723) are connected.

9. The LED light fixture of claim 1,

casing (10) include upper cover (1) and lower cover (2), upper cover (1) with lower cover (2) close the lid and form accommodation space (3), light-emitting window (4) are seted up lower cover (2), and, lower cover (2) are close to be equipped with installation department (21) on the lateral wall of LED light source (5), installation department (21) are used for the installation to be fixed to the fixed body on.

10. The LED light fixture of claim 9 wherein,

the LED lamp is a table lamp, and the fixing body is a lamp holder.

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