CN217273752U

CN217273752U - LED tunnel lamp capable of effectively improving illumination uniformity

Info

Publication number: CN217273752U
Application number: CN202220873085.4U
Authority: CN
Inventors: 蒋夏静; 楼鸿玮
Original assignee: Migang New Materials Technology Shanghai Co ltd
Current assignee: Migang New Materials Technology Shanghai Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-08-23
Anticipated expiration: 2032-04-15

Abstract

The utility model provides an effectively improve LED tunnel lamp of illumination degree of consistency, including lamp plate, radiator, lamp body and lamp shade. A plurality of LED lamp beads are arranged on the front face of the panel, and the heat dissipation body is fixed to the back face of the lamp panel. The LED lamp beads are arranged into a lamp bead array, the distance between the lamp beads is gradually reduced from the center of the array to the edge direction, and the power of the lamp beads is also gradually reduced. Extend a plurality of heat dissipation posts on the side that the radiator deviates from the LED lamp plate, a plurality of heat dissipation posts form the heat dissipation post array, and the height of heat dissipation post reduces gradually from the center of heat dissipation post array toward the edge direction. The power of the middle lamp bead is high, so that the illumination intensity is high; although the power of the peripheral lamp beads is small, the peripheral lamp beads are distributed densely, so that the illumination intensity of the whole lamp panel can be balanced, and the illumination of the tunnel lamp is more uniform. On the other hand, because the high-power lamp pearl in the middle of the lamp plate is matched with higher heat dissipation post to dispel the heat, the even heat dissipation of monoblock lamp plate has been realized. The service life of the LED lamp beads is prolonged.

Description

LED tunnel lamp capable of effectively improving illumination uniformity

Technical Field

The utility model belongs to LED tunnel lamp field especially relates to an effectively improve LED tunnel lamp of illumination degree of consistency.

Background

With the popularization of LED lamps in the field of general illumination, more and more LED lamps are used for illumination, and the illumination quality of a tunnel has a vital influence on the reduction of casualties in traffic accidents. The proper selection of the lighting source and the lamp is the key for ensuring the lighting quality of the tunnel. The light source for tunnel illumination should satisfy the light source that ensures good visibility and illuminance uniformity in the tunnel specific environment.

In LED array applications, there are many cases where there is a high demand for uniformity of illumination of the LED array on the illuminated surface. The illumination uniformity of the LED array directly affects the illumination quality of the entire lamp, and is related to the illumination intensity curve of a single LED, the arrangement of the LEDs, the current of the LEDs, and the distance from the illumination plane to the light-emitting plane. Therefore, the optimal design of the illumination uniformity of the LED array is actually a multi-objective optimization problem.

Therefore, the illumination uniformity design problem is how to design the arrangement and current of different LEDs to optimize the illumination uniformity of the LED array given the illumination intensity curve of a single LED and the distance between the illumination plane and the light emitting plane.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an effectively improve LED tunnel lamp of illumination degree of consistency aims at improving the illumination degree of consistency of LED tunnel lamp.

The utility model discloses a realize like this, a LED tunnel lamp that effectively improves illumination degree of consistency, including lamp plate, radiator, lamp body and lamp shade, the lamp shade housing is in on the light-emitting window of lamp body, lamp plate and radiator all are located in the lamp body, a plurality of LED lamp pearls have been arranged on the lamp plate front, the radiator is fixed the back of lamp plate; the LED lamp beads are arranged into a lamp bead array, the distance between the lamp beads is gradually reduced from the center of the lamp bead array to the edge direction, and the power of the lamp beads is also gradually reduced; the LED lamp panel is characterized in that the side face of the LED lamp panel, which deviates from the radiator, is extended with a plurality of radiating columns, the radiating columns form a radiating column array, and the height of each radiating column is gradually reduced from the center of the radiating column array to the edge direction.

Furthermore, ventilation windows are formed in two opposite sides of the lamp shell, the heat dissipation columns in the heat dissipation column array are distributed vertically and horizontally, a ventilation channel is formed in a gap between two adjacent columns or two rows of heat dissipation columns, and the length direction of the ventilation channel faces towards the ventilation windows.

Furthermore, the positions of the heat dissipation columns correspond to the positions of the lamp beads distributed on the LED lamp panel one by one.

Further, the lamp plate openly divides into the lamp pearl that is used for arranging the LED lamp pearl and arranges the region and be used for arranging electronic component's component arrangement region, wherein, lamp pearl is arranged regional being located the positive middle zone of lamp plate, the component is arranged regional being located the positive marginal zone of lamp plate.

Furthermore, the material of lamp plate is aluminium or aluminum alloy.

Furthermore, the material of the heat radiation body is aluminum or aluminum alloy.

Compared with the prior art, the utility model, beneficial effect lies in:

the utility model provides a LED tunnel lamp, a plurality of LED lamp pearls are arranged into the lamp pearl array to, lamp pearl array is from its center toward the edge direction, and the interval of lamp pearl reduces gradually, and the power of its lamp pearl also reduces gradually. The power of the middle lamp bead is high, so that the illumination intensity is high; although peripheral lamp pearl power is little, nevertheless distribute more densely to, the illumination intensity that can balance monoblock lamp plate is even.

On the other hand, the lamp beads in the middle of the lamp panel have high power and high luminous intensity; although peripheral lamp pearl power is little, but distribute more densely to can balance the illumination intensity of monoblock lamp plate, make the illumination of tunnel lamp more even. On the other hand, because the high-power lamp pearl in the middle of the lamp plate is matched with the higher heat dissipation column to dissipate heat, the uniform heat dissipation of the whole lamp plate is realized. The service life of the LED lamp beads is prolonged.

Drawings

Fig. 1 is a schematic perspective view of an LED tunnel lamp according to an embodiment of the present invention, which effectively improves the uniformity of illumination;

fig. 2 is a schematic perspective view of a lamp panel provided in an embodiment of the present invention;

fig. 3 is a schematic perspective view of a heat sink according to an embodiment of the present invention;

fig. 4 is a schematic side view of the lamp panel and the heat sink provided in the embodiment of the present invention after being assembled;

fig. 5 is a schematic front view of the lamp panel provided by the embodiment of the utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Please refer to fig. 1, an LED tunnel lamp for effectively improving the illumination uniformity, which comprises a lamp panel 1, a heat sink 2, a lamp housing 3 and a lampshade, wherein the lampshade cover is arranged on a light outlet of the lamp housing 3, the lamp panel 1 and the heat sink 2 are both located in the lamp housing 3, a plurality of LED lamp beads 4 are arranged on the front surface of the lamp panel 1, and the heat sink 2 is fixed on the back surface of the lamp panel 1. In this embodiment, for better heat dissipation, the lamp panel 1 is made of aluminum or aluminum alloy, and the heat dissipation body 2 is made of aluminum or aluminum alloy.

Referring to fig. 2, a plurality of LED beads 4 are arranged in a bead array, and the distance between beads 4 decreases gradually from the center of the bead array to the edge, and the power of beads 4 also decreases gradually.

Referring to fig. 3 and 4, a plurality of heat dissipation posts 21 extend from a side surface of the heat dissipation body 2 away from the LED lamp panel 1, the heat dissipation posts 21 form a heat dissipation post array, and the height of the heat dissipation posts 21 gradually decreases from the center of the heat dissipation post array to the edge direction.

Ventilation window 31 has been seted up to the both sides that the lamp body 3 is relative, and heat dissipation post 2 in the heat dissipation post array is vertically and horizontally distributed, and the position of heat dissipation post 2 and the position one-to-one of the lamp pearl 4 that distributes on the LED lamp plate 1. The gaps between two adjacent columns or rows of heat-dissipating studs 21 form ventilation ducts 22, and the length direction of the ventilation ducts 22 faces the ventilation window 31 (shown in fig. 1).

Referring to fig. 5, the front surface of the lamp panel 1 is divided into a lamp bead arrangement region 11 for arranging LED lamp beads and an element arrangement region 12 for arranging electronic elements, wherein the lamp bead arrangement region 11 is located in the middle region of the front surface of the lamp panel 1, and the element arrangement region 12 is located in the edge region of the front surface of the lamp panel 1.

In summary, in the LED tunnel lamp provided by this embodiment, the lamp beads 4 in the middle of the lamp panel 1 have high power and high illumination intensity; although the power of the peripheral lamp beads 4 is small, the peripheral lamp beads are distributed densely, so that the illumination intensity of the whole lamp can be balanced, and the illumination intensity of the lamp is uniform.

On the other hand, because 4 powers of lamp pearl in the middle of lamp plate 1 are big, and peripheral lamp pearl 4 powers is even little, but distributes more densely to, the illumination intensity of the monoblock lamp plate 1 of can balancing, make the illumination of tunnel lamp more even. On the other hand, because high-power lamp pearl 4 in the middle of lamp plate 1 is supporting to have higher heat dissipation post 21 to dispel the heat, has realized the even heat dissipation of monoblock lamp plate 1. Is favorable for prolonging the service life of the lamp bead 4.

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

1. An LED tunnel lamp capable of effectively improving illumination uniformity comprises a lamp plate, a heat radiator, a lamp shell and a lamp shade, wherein the lamp shade is covered on a light outlet of the lamp shell, the lamp plate and the heat radiator are both located in the lamp shell, a plurality of LED lamp beads are arranged on the front side of the lamp plate, and the heat radiator is fixed on the back side of the lamp plate; the LED lamp is characterized in that the LED lamp beads are arranged into a lamp bead array, the distance between the lamp beads is gradually reduced from the center of the lamp bead array to the edge direction, and the power of the lamp beads is also gradually reduced; the LED lamp panel is characterized in that the side face of the LED lamp panel, which deviates from the radiator, is extended with a plurality of radiating columns, the radiating columns form a radiating column array, and the height of each radiating column is gradually reduced from the center of the radiating column array to the edge direction.

2. The LED tunnel lamp of claim 1, wherein ventilation windows are formed on two opposite sides of the lamp housing, the heat dissipation posts in the heat dissipation post array are distributed in a longitudinal and transverse manner, a ventilation channel is formed in a gap between two adjacent columns or rows of heat dissipation posts, and the length direction of the ventilation channel faces the ventilation windows.

3. The LED tunnel lamp of claim 1, wherein the positions of the heat dissipation columns correspond to the positions of the beads distributed on the LED lamp panel one to one.

4. The LED tunnel lamp according to any one of claims 1 to 3, wherein the front surface of the lamp panel is divided into a lamp bead arrangement region for arranging LED lamp beads and an element arrangement region for arranging electronic elements, wherein the lamp bead arrangement region is located in a middle region of the front surface of the lamp panel, and the element arrangement region is located in an edge region of the front surface of the lamp panel.

5. The LED tunnel lamp of any one of claims 1 to 3, wherein the lamp panel is made of aluminum or aluminum alloy.

6. The LED tunnel lamp according to any one of claims 1 to 3, wherein the heat sink is made of aluminum or aluminum alloy.