CN220820908U - Lighting lamp - Google Patents

Abstract

The utility model discloses a lighting lamp, comprising: the shell is provided with a light guide groove, and the light guide groove is provided with a mounting surface and a light guide surface; the light-transmitting film is arranged at the notch of the light guide groove; the light source piece is arranged on the mounting surface, one part of light of the light source piece is directly projected on the lower part of the light-transmitting film, the other part of the light is projected on the upper part of the light-transmitting film through reflection of the light guide surface, an included angle theta is formed between the tangent line at the upper end of the light guide surface and the light-transmitting film, and an included angle alpha is formed between the mounting surface and the light-transmitting film. According to the utility model, the light guide groove with the light guide surface and the mounting surface is arranged in the shell, so that one part of light of the light source part mounted on the mounting surface is directly projected on the lower part of the light-transmitting film, the other part of the light is reflected and projected on the upper part of the light-transmitting film through the light guide surface, the light flux of each position of the light-transmitting film tends to be consistent due to the combination of the two parts of light, and the whole light-transmitting film emits light uniformly. And because the luminous flux of each position of the light-transmitting film tends to be consistent, the light-transmitting film can adopt a light-transmitting panel with high light transmittance, and the light energy utilization rate is high and the loss is small.

Description

Lighting lamp

Technical Field

The utility model relates to a lighting fixture.

Background

The LED strip lamp is a lamp which is arranged on a wall body and used for decoration or illumination, and comprises a lamp shell, a light source piece and a light-transmitting film. Most of the existing LED strip lamps adopt a direct illumination type light emitting structure, a light source piece in the direct illumination type light emitting structure directly illuminates a light transmitting film, and in order to reduce light spots, the light transmitting film adopts a light transmitting panel with low light transmittance (about 65%), and the light emitting structure has the advantage of small light energy loss, but because the light source piece directly illuminates the light transmitting film, the central brightness of the light transmitting film is obviously higher than that of the upper side and the lower side, and the problem of uneven light emitting exists. In order to solve the problem of uneven light output of the direct illumination type light output structure, a light guide type light output structure appears in the market, and the light guide type light output structure is used for diffusely reflecting light to a light-transmitting film by arranging a light guide plate on one side of a light source part, so that the problem of uneven light output is improved to a certain extent by the light output structure, but the light energy utilization rate is low, and the overall brightness is lower than that of the direct illumination type light output structure. Accordingly, there is a need for improvements over the prior art.

Disclosure of utility model

The utility model aims to provide a lighting lamp, which solves the problems that the traditional LED strip lamp adopts a direct illumination type light-emitting structure, a light source piece directly illuminates a light-transmitting film, the central brightness of the light-transmitting film is obviously higher than that of the upper side and the lower side, and the light-emitting is uneven.

The utility model is realized by the following technical scheme:

A lighting fixture, comprising: the light guide device comprises a shell, a light guide plate and a light guide plate, wherein the shell is provided with a light guide groove, the light guide groove is provided with a mounting surface and a light guide surface, and the light guide surface is an arc surface extending upwards from the mounting surface; the light-transmitting film is arranged on the notch of the light guide groove; the light source piece is arranged on the mounting surface, one part of light of the light source piece is directly projected on the lower part of the light-transmitting film, and the other part of the light is reflected and projected on the upper part of the light-transmitting film through the light guide surface; an included angle theta is formed between a tangent line at the upper end of the light guide surface and the light-transmitting film, and the included angle theta is in the range of: 40-60 degrees, the installation surface extends obliquely from top to bottom to form an included angle alpha with the light-transmitting film, and the value range of the included angle alpha is as follows: 105-125 deg..

Further, the light guiding surface includes an upper light guiding surface and a lower light guiding surface, the upper light guiding surface extends upwards from the lower light guiding surface, a direction from a lower end of the upper light guiding surface to an upper end of the upper light guiding surface is defined as a first direction, and a curvature of the upper light guiding surface gradually increases in the first direction; the lower light guide surface extends from the upper light guide surface toward the mounting surface, a direction of an upper end portion of the lower light guide surface toward a lower end portion of the lower light guide surface is defined as a second direction, and a curvature of the lower light guide surface gradually decreases in the second direction.

Further, the curvature of the upper light guide surface in the first direction increases in an arithmetic manner; and/or the curvature of the lower light guide surface in the second direction is decreased in an equal ratio manner.

Further, the shell is detachably and fixedly connected with a reflecting sheet on the light guide surface, and the reflecting sheet extends along the light guide surface and is wedged with the shape of the light guide surface.

Further, the casing has light guide plate and mounting panel, the light guide plate extends from bottom to top, and its lower extreme extends backward to the casing rear end, the mounting panel from the light guide plate forward downward sloping extends and with the light guide plate cooperation forms the light guide groove, the front end face of light guide plate is formed with the leaded light face, the up end of mounting panel is formed with the installation face.

Further, the rear end of the housing is at least partially constituted by the lower end of the light guide plate.

Further, the mounting plate is provided with a heat dissipation groove at the lower end face thereof, the heat dissipation groove extends from left to right, the heat dissipation groove is a plurality of channels, and the plurality of channels of heat dissipation grooves are arranged side by side in the front-rear direction.

Further, the light guide plate is provided with an upper clamping groove for clamping the upper end of the light-transmitting film at the upper end part of the light guide plate, and the mounting plate is provided with a lower clamping groove for clamping the lower end of the light-transmitting film at one side of the mounting plate away from the light guide plate.

Further, the shell is provided with a peripheral plate which surrounds the light guide plate to form a containing cavity, and a driving power supply and/or a controller which are electrically connected with the light source piece are contained in the containing cavity.

Further, the peripheral plate, the light guide plate and the mounting plate are matched to form a main body part, the main body part is integrally formed, an assembly groove is formed in the rear end face of the main body part, the assembly groove extends from left to right, a wire outlet hole communicated with the accommodating cavity is formed in the bottom of the assembly groove, and the driving power supply and/or a power wire of the controller extend into the assembly groove from the wire outlet hole; the shell is provided with side plates which are respectively arranged on the left side and the right side of the main body piece, the side plates are provided with yielding notches, and the driving power supply and/or a power line of the controller extend out of the assembly groove from the yielding notches.

The technical scheme has the advantages that the light guide groove with the light guide surface and the mounting surface is arranged in the shell, one part of light of the light source piece mounted on the mounting surface is directly projected to the lower part of the light-transmitting film, the other part of the light is projected to the upper part of the light-transmitting film through the light guide surface in a reflection way, the light flux of each position of the light-transmitting film tends to be consistent due to the combination of the two parts of light, and the whole light-transmitting film emits light uniformly. The luminous flux of each position of the light-transmitting film tends to be consistent, so that the light-transmitting film can adopt a light-transmitting panel with high light transmittance (about 80 percent), and the light-transmitting film has high light energy utilization rate and small loss. And because the tangent line at the upper end of the light guide surface and the light-transmitting film form an included angle theta, the included angle theta has the following value range: the installation surface extends obliquely from top to bottom at an included angle alpha with the light-transmitting film at an angle of 40 degrees to 60 degrees, and the value range of the included angle alpha is as follows: 105-125 degrees, the light guide surface and the installation surface are reasonably arranged, so that light directly or indirectly projected on the light-transmitting film by the light source component is uniformly distributed, the luminous flux of each position of the light-transmitting film tends to be consistent, the whole light-transmitting film 2 emits light uniformly, the light energy utilization rate is high, and the loss is small.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below.

FIG. 1 is a perspective view of a lighting fixture of the disclosed embodiments;

FIG. 2 is a second perspective view of the lighting fixture of the embodiment disclosed;

FIG. 3 is a schematic light-emitting diagram of a lighting fixture according to an embodiment;

FIG. 4 is a cross-sectional view of a lighting fixture of the embodiment disclosed;

FIG. 5 is an exploded view of the lighting fixture of the embodiment disclosed;

Fig. 6 is a perspective view of the body member in an embodiment.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: as shown in fig. 1-6, the lighting lamp comprises a housing 1, a light-transmitting film 2 and a light source member 3, wherein the housing 1 is provided with a light guide groove 101, the light guide groove 101 is provided with a mounting surface 102 and a light guide surface 103, the light guide surface 103 is an arc surface extending upwards from the mounting surface 102, the light-transmitting film 2 is arranged on a notch of the light guide groove 101, the light source member 3 is arranged on the mounting surface 102, a part of light of the light source member 3 is directly projected on the lower part of the light-transmitting film 2, the other part of the light is reflected and projected on the upper part of the light-transmitting film 2 through the light guide surface 103, an included angle theta is formed between a tangent line at the upper end of the light guide surface 103 and the light-transmitting film 2, and the included angle theta is in the range of: 40-60 degrees, the installation surface 102 extends obliquely from top to bottom to form an included angle alpha with the light-transmitting film 2, and the value range of the included angle alpha is as follows: 105-125 deg.. The embodiment provides a lighting lamp, in order to solve the problem that the existing LED strip lamp adopts a direct illumination type light emitting structure, the light source directly irradiates the light-transmitting film, so that the central brightness of the light-transmitting film is obviously higher than that of the upper side and the lower side, and the light emitting is uneven, mainly by configuring a light guide groove 101 with a light guide surface 103 and a mounting surface 102 in a shell 1, a part of light of the light source 3 mounted on the mounting surface 102 is directly projected on the lower part of the light-transmitting film 2, the other part of the light is reflected and projected on the upper part of the light-transmitting film 2 through the light guide surface 103, and as a part of the light source 3 is directly projected on the lower part of the light-transmitting film 2, the other part of the light is reflected and projected on the upper part of the light-transmitting film 2 through the light guide surface 103, the light flux of each position of the light-transmitting film 2 tends to be consistent due to the combination of the two parts, and the whole light emitting of the light-transmitting film 2 is uniform. The luminous flux of each position of the light-transmitting film 2 tends to be consistent, so that the light-transmitting film 2 can adopt a light-transmitting panel with high light transmittance (about 80 percent), and the light energy utilization rate and the loss are high. Since the tangent line at the upper end of the light guiding surface 103 forms an included angle θ with the light transmitting film 2, the included angle θ has a range of values: the light incident area of the upper section of the light guide surface 103 is maximized by 40-60 degrees, and the angle between the upper section of the light guide surface 103 and the light-transmitting film 2 is approximately 45 degrees, so that the luminous flux of the upper part of the light-transmitting film 2 is maximized. Wherein, the light source part 3 is an LED lamp strip, the light-emitting angle of the lamp beads on the LED lamp strip is 120 degrees, the brightness of the LED lamp beads gradually weakens from the middle (vertical) to the two sides (outwards inclining by 60 degrees), and as the installation surface 102 obliquely extends from top to bottom and forms an included angle alpha with the light-transmitting film 2, the value range of the included angle alpha is as follows: 105-125 degrees, so that one part of light rays of the light source part 3 can be directly projected on the lower part of the light-transmitting film 2, and the other part of light rays (light rays with highest brightness) are reflected and projected on the upper part of the light-transmitting film 2 through the light guide surface 103, the problem that the light-transmitting film 2 is far away from the light source part 3 and the light flux is insufficient is made up to the greatest extent, the light flux on the upper part/lower part of the light-transmitting film 2 tends to be consistent, the whole light-transmitting film 2 emits light uniformly, the light energy utilization rate is high, and the loss is small.

In the embodiment of the present utility model, the mounting surface 102 is a plane extending obliquely from top to bottom. Since the mounting surface 102 is a plane extending obliquely from top to bottom, the assembly of the light source 3 is facilitated, and the light source 3 and the housing 1 have good assembly stability.

In the embodiment of the present utility model, the light guiding surface 103 includes an upper light guiding surface 115 and a lower light guiding surface 116, the upper light guiding surface 115 extends upward from the lower light guiding surface 116, the direction of the lower end of the upper light guiding surface 115 toward the upper end of the upper light guiding surface 115 is defined as a first direction, the curvature of the upper light guiding surface 115 gradually increases in the first direction, the lower light guiding surface 116 extends from the upper light guiding surface 115 toward the mounting surface, the direction of the upper end of the lower light guiding surface 116 toward the lower end of the lower light guiding surface 116 is defined as a second direction, and the curvature of the lower light guiding surface 116 gradually decreases in the second direction. The lower light guiding surface 116 is used for reflecting light to the upper light guiding surface 115 or directly reflecting light to the upper portion of the light transmitting film 2, and the upper light guiding surface 115 is used for reflecting light to the upper portion of the light transmitting film 2. Since the curvature of the upper light guiding surface 115 gradually increases in the first direction, and the curvature of the lower light guiding surface 116 gradually decreases in the second direction, the arrangement is reasonable, so that when the light guiding surface 103 reflects light onto the light transmitting film 2, the reflection amount gradually increases from bottom to top, and the situation that the light flux is insufficient due to the fact that the upper portion of the light transmitting film 2 is far away from the light source is supplemented, and the light output intensity of the upper portion (light source reflection) and the lower portion (light source direct irradiation) of the light transmitting film 2 tends to be close.

In the embodiment of the present utility model, the curvature of the upper light guiding surface 115 in the first direction increases in an equi-differential manner, that is, the curvature difference between adjacent arc sections of the upper light guiding surface 115 in the first direction is equal. In the embodiment of the present utility model, the curvature of the lower light guiding surface 116 in the second direction decreases in an equal ratio, that is, the curvature ratio of adjacent arc sections of the lower light guiding surface 116 in the second direction is equal. Since the curvature of the upper light guiding surface 115 in the first direction increases in an equi-differential manner, the curvature of the lower light guiding surface 116 in the second direction decreases in an equi-ratio manner, and the arrangement is reasonable, so that when the light guiding surface 103 reflects light onto the light transmitting film 2, the reflection amount gradually increases from bottom to top, and the situation that the light flux is insufficient due to the fact that the upper part of the light transmitting film 2 is far away from the light source is supplemented, and the light output intensity of the upper part (light source reflection) and the lower part (light source direct irradiation) of the light transmitting film 2 tends to be close.

In the embodiment of the utility model, the reflection of light can be realized by spraying the reflective material on the light guiding surface 103 to form the reflective layer, and the reflection of light can also be realized by detachably and fixedly connecting the reflective sheet 4 on the light guiding surface 103, wherein the reflective sheet 4 extends along the light guiding surface 103 and the shape of the reflective sheet 4 is matched with the light guiding surface 103, and the reflective sheet 4 is arranged on the light guiding surface 103 to realize the reflection of light, so that the utility model has the advantage of convenient replacement.

In the embodiment of the utility model, the shell 1 is provided with the light guide plate 104 and the mounting plate 105, the light guide plate 104 extends from bottom to top, the lower end of the light guide plate 104 extends backwards to the rear end of the shell 1, the mounting plate 105 extends downwards obliquely forwards from the light guide plate 104 and is matched with the light guide plate 104 to form the light guide groove 101, the front end surface of the light guide plate 104 is provided with the light guide surface 103, and the upper end surface of the mounting plate 105 is provided with the mounting surface 102. Because the casing 1 is provided with the light guide plate 104 and the mounting plate 105 which are matched to form the light guide groove 101, the light guide plate 104 extends up and down and the lower end of the light guide plate extends backwards to the rear end of the casing 1, so that the internal structure of the casing 1 is compact and reasonable, the width of the mounting plate 105 is maximized, a plurality of light strips (light source pieces 3) can be assembled, the lighting effect after the light fitting is on the wall is not influenced, the problem that the mounting plate 105 of the casing 1 and the rear back plate of the casing 1 in the conventional LED strip lamp are arranged at intervals is solved, the light guide plate 104 is required to move forwards to be away when the width of the mounting plate 105 is increased to configure a plurality of light strips (light source pieces 3) on the mounting plate 105, the whole volume of the casing 1 is increased, and the shadow formed on the wall of the mounting plate 105 is larger after the light fitting is on the wall, so that the lighting effect is influenced.

In the embodiment of the present utility model, the rear end of the housing 1 is at least partially constituted by the lower end of the light guide plate 104. Since the rear end of the housing 1 is at least partially formed by the lower end of the light guide plate 104, the structure of the housing 1 is compact and reasonable, the width of the mounting plate 105 is maximized, a plurality of light strips (light source elements 3) can be assembled, and the lighting effect of the lamp on the wall is not affected.

In the embodiment of the utility model, the mounting plate 105 is provided with the heat dissipation grooves 106 on the lower end surface thereof, the heat dissipation grooves 106 extend from left to right, the heat dissipation grooves 106 are a plurality of channels, and the plurality of heat dissipation grooves 106 are arranged side by side in the front-rear direction. Because the mounting plate 105 is provided with the heat dissipation groove 106 at the lower end surface, the contact surface between the mounting plate 105 and the air is increased, the heat dissipation effect is improved, and the service life of the light source 3 is prolonged.

In the embodiment of the utility model, the light guide plate 104 is provided with an upper clamping groove 107 for clamping the upper end of the light-transmitting film 2 at the upper end, and the mounting plate 105 is provided with a lower clamping groove 108 for clamping the lower end of the light-transmitting film 2 at the side away from the light guide plate 104. Since the light-transmitting film 2 is clamped on the housing 1 through the upper clamping groove 107 arranged on the light guide plate 104 and the lower clamping groove 108 arranged on the mounting plate 105, the assembly of the light-transmitting film 2 and the housing 1 is stable and the replacement is convenient.

In the embodiment of the present utility model, the housing 1 has a peripheral plate 110 surrounding the light guide plate 104 to form a housing cavity 109, and the housing cavity 109 houses a driving power source 5 and/or a controller (not shown) electrically connected to the light source 3. Because the shell 1 is provided with the peripheral plate 110, the peripheral plate 110 and the light guide plate 104 are surrounded to form the accommodating cavity 109, and the driving power supply 5 and/or the controller are arranged in the accommodating cavity 109, the whole structure of the lighting lamp is compact and reasonable.

In the embodiment of the utility model, the peripheral plate 110, the light guide plate 104 and the mounting plate 105 are matched to form a main body member 111, the main body member 111 is integrally formed, the rear end face of the main body member 111 is provided with an assembly groove 112, the assembly groove 112 extends from left to right, the bottom of the assembly groove 112 is provided with a wire outlet hole 117 communicated with the accommodating cavity 109, a power wire of the driving power supply 5 and/or the controller extends into the assembly groove 112 from the wire outlet hole 117, the shell 1 is provided with side plates 113 arranged on the left side and the right side of the main body member 111 in a separated mode, the side plates 113 are provided with yielding notches 114, and the power wire of the driving power supply 5 and/or the controller extends out of the assembly groove 112 from the yielding notches 114. Because the peripheral plate 110, the light guide plate 104 and the mounting plate 105 are matched to form the main body member 111, the main body member 111 is provided with the assembly groove 112 at the rear end face thereof, and the side plate 113 is provided with the abdication notch 114, after the lamp is on the wall, the power line of the driving power supply 5 and/or the controller can be led out of the housing 1 from the left side or the right side of the housing 1 from the abdication notch 114, thereby being convenient for the installation of the lamp.

It should be understood that the terms "first," "second," and the like are used herein to describe various information, but such information should not be limited to these terms, which are used merely to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the utility model. Furthermore, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience in describing the present utility model and simplifying the description, and do not denote or imply that the devices or elements 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 utility model.

The foregoing description of one or more embodiments provided in connection with the specific disclosure is not intended to limit the practice of the utility model to such description. Any approximation, or substitution of the technical deduction or substitution made for the technical deduction of the present utility model based on the inventive method, structure, etc. shall be considered as protection of the present utility model.

Claims (10)

1. The illumination lamps and lanterns, its characterized in that includes:

The light guide device comprises a shell, a light guide plate and a light guide plate, wherein the shell is provided with a light guide groove, the light guide groove is provided with a mounting surface and a light guide surface, and the light guide surface is an arc surface extending upwards from the mounting surface;

The light-transmitting film is arranged on the notch of the light guide groove;

The light source piece is arranged on the mounting surface, one part of light of the light source piece is directly projected on the lower part of the light-transmitting film, and the other part of the light is reflected and projected on the upper part of the light-transmitting film through the light guide surface;

an included angle theta is formed between a tangent line at the upper end of the light guide surface and the light-transmitting film, and the included angle theta is in the range of: 40-60 degrees, the installation surface extends obliquely from top to bottom to form an included angle alpha with the light-transmitting film, and the value range of the included angle alpha is as follows: 105-125 deg..

2. A light fixture as recited in claim 1, wherein said light guide surface comprises an upper light guide surface and a lower light guide surface, said upper light guide surface extending upwardly from said lower light guide surface, a direction of a lower end of said upper light guide surface toward an upper end of said upper light guide surface being defined as a first direction, a curvature of said upper light guide surface gradually increasing in said first direction;

The lower light guide surface extends from the upper light guide surface toward the mounting surface, a direction of an upper end portion of the lower light guide surface toward a lower end portion of the lower light guide surface is defined as a second direction, and a curvature of the lower light guide surface gradually decreases in the second direction.

3. A light fixture as recited in claim 2, wherein the curvature of said upper light guide surface in said first direction increases in an arithmetic progression;

And/or the curvature of the lower light guide surface in the second direction is decreased in an equal ratio manner.

4. The lighting fixture of claim 1, wherein the housing is removably and fixedly coupled to the light guide surface with a reflector extending along the light guide surface and keyed to the shape of the light guide surface.

5. A lighting fixture as recited in claim 1, wherein said housing has a light guide plate and a mounting plate, said light guide plate extending from bottom to top and having a lower end extending rearward to said rear end of said housing, said mounting plate extending obliquely downward forward from said light guide plate and cooperating with said light guide plate to form said light guide groove, a front end surface of said light guide plate being formed with said light guide surface, and an upper end surface of said mounting plate being formed with said mounting surface.

6. A light fixture as recited in claim 5, wherein a rear end of the housing is at least partially formed by a lower end of the light guide plate.

7. A lighting fixture as recited in claim 5, wherein said mounting plate has heat sink grooves in a lower end surface thereof, said heat sink grooves extending from left to right, said heat sink grooves being in a plurality of lanes, said plurality of lanes of heat sink grooves being disposed side by side in a front-to-rear direction.

8. A lighting fixture as recited in claim 5, wherein said light guide plate is provided with an upper clamping groove at an upper end thereof for clamping in an upper end of said light-transmitting film, and said mounting plate is provided with a lower clamping groove at a side thereof remote from said light guide plate for clamping in a lower end of said light-transmitting film.

9. A lighting fixture as recited in claim 5, wherein said housing has a peripheral plate which surrounds said light guide plate to form a receiving cavity in which a drive power source and/or a controller which is electrically connected to said light source member is received.

10. A lighting fixture as recited in claim 9, wherein said peripheral plate, said light guide plate and said mounting plate are mated to form a main body member, said main body member is integrally formed, said main body member is provided with an assembly groove at a rear end surface thereof, said assembly groove extends from left to right, said assembly groove is provided with a wire outlet hole at a bottom thereof which communicates with said accommodation cavity, and said power supply wire of said driving power supply and/or said controller extends into said assembly groove from said wire outlet hole;

The shell is provided with side plates which are respectively arranged on the left side and the right side of the main body piece, the side plates are provided with yielding notches, and the driving power supply and/or a power line of the controller extend out of the assembly groove from the yielding notches.