CN215489145U - Plastic small lamp shell with good heat dissipation performance - Google Patents

Abstract

The utility model discloses a plastic small lamp shell with good heat dissipation, which belongs to the technical field of plastic lamp shells and comprises a plastic small lamp shell body, wherein the plastic small lamp shell body comprises a plastic lamp shell, a second light-transmitting plate connected with one side of the plastic lamp shell, and a first light-transmitting plate arranged on the plastic lamp shell, a plurality of first heat-dissipating fins are arranged inside the plastic lamp shell, second heat-dissipating fins are arranged between the two first heat-dissipating fins, two first light-transmitting holes are symmetrically arranged on the second heat-dissipating fins, a second light-transmitting hole is arranged in the center of the first light-transmitting plate, a plurality of inserting holes used for positioning and installation are arranged on two sides of the plastic lamp shell, heat-dissipating through holes are arranged between the inserting holes and the first light-transmitting plate, and the first heat-dissipating fins and the second heat-dissipating fins both comprise first fin connecting parts and second fin connecting parts and fin main fin body parts arranged between the first fin connecting parts and the second fin connecting parts, the LED lamp has the advantages of high light transmittance and strong heat dissipation performance.

Description

Plastic small lamp shell with good heat dissipation performance

Technical Field

The utility model relates to the technical field of plastic lamp shells, in particular to a small plastic lamp shell with good heat dissipation performance.

Background

The plastic lamp shell is arranged at the periphery of the lamp flame or on the bulb and is used for condensing light or preventing wind and rain. The plastic lamp housing not only covers the lamp to gather light, but also can prevent electric shock and protect eyes, so that most lamps are provided with the lamp cover.

Most of the existing plastic lamp shells are applied to LED lamps, LEDs have the advantages of long service life, high luminous efficiency, low radiation and low power consumption, but if the surface area of a radiator of the LEDs is too small or the heat conducting performance is poor, serious light attenuation can be caused, and therefore the heat dissipation becomes a problem to be overcome by the LEDs.

Therefore, the technical personnel in the related art improves the technical problem, for example, chinese patent publication No. CN208764898U discloses "an LED lamp housing with good heat dissipation and high strength", although the utility model can satisfy the heat dissipation effect, thereby prolonging the service life of the LED lamp; meanwhile, the lamp trough made of metal materials has the characteristics of higher strength, difficult deformation, higher installation precision and longer service life of the whole body.

However, the technical scheme in the application document still has disadvantages, such as the use of metal materials increases the production difficulty, and the electric energy cannot be completely converted into light energy, the redundant electric energy is converted into heat energy, and a large amount of heat energy is accumulated in the LED lamp, thereby reducing the service life of the lamp housing.

Based on the above, the utility model designs the small plastic lamp housing with good heat dissipation property to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a small plastic lamp shell with good heat dissipation so as to solve the technical problem.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a good heat dissipation's plastics small lamp body, includes plastics small lamp body, plastics small lamp body includes the plastics lamp body, connects plastics lamp body one side second light-passing board, locates the first light-passing board on the plastics lamp body, the inside a plurality of first heat radiation fins that are equipped with of plastics lamp body, two all be equipped with second heat radiation fins between the first heat radiation fins, the symmetry is provided with two first light trap on the second heat radiation fins, first light-passing board center is equipped with the second light trap, plastics lamp body both sides are equipped with a plurality of spliced eyes that are used for the location installation, be equipped with the heat dissipation through-hole between spliced eye and the first light-passing board, first heat radiation fins and second heat radiation fins all include first fin connecting portion and second fin connecting portion, locate the fin main part between first fin connecting portion and the second fin connecting portion.

Preferably, an included angle formed between the first fin connection portion and the fin main body portion is about 30 °, and an included angle formed between the second fin connection portion and the fin main body portion is about 30 °.

Preferably, the top of the second light-transmitting plate is arc-shaped, and the included angle formed by the connection of the second light-transmitting plate and the plastic lamp housing is about 40-45 degrees.

Preferably, a plurality of positioning holes are formed in the plastic lamp shell.

Preferably, the first radiator fins and the second radiator fins are spaced apart by about 5 cm.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the arrangement of the first light-transmitting plate and the second light-transmitting plate, the light transmittance of the plastic small lamp shell body is increased, the efficiency of converting electric energy into light energy is improved, the efficiency of converting electric energy into heat energy is reduced, and a large amount of accumulated heat energy is reduced, so that the service life of the plastic small lamp shell is prolonged.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments 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 that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a front view of the present embodiment;

FIG. 3 is a schematic view showing a structure of a second transparent substrate according to the present embodiment;

fig. 4 is a schematic structural view showing a connection manner of the first heat dissipation fins and the second heat dissipation fins.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a plastic small lamp housing body; 2. a plastic lamp housing; 3. a first light-transmitting panel; 4. a second light-transmitting panel; 5. inserting holes; 6. a first heat radiation fin; 7. a first light-transmitting hole; 8. a heat dissipating through hole; 9. positioning holes; 10. a second light-transmitting hole; 11. a second heat radiation fin; 12. a first fin connecting portion; 13. a second fin connection portion; 14. a fin body portion.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a plastic small lamp shell with good heat dissipation performance comprises a plastic small lamp shell body 1, wherein the plastic small lamp shell body 1 comprises a plastic lamp shell 2, a second light-transmitting plate 4 connected with one side of the plastic lamp shell 2, and a first light-transmitting plate 3 arranged on the plastic lamp shell 2, a plurality of first heat-radiating fins 6 are arranged inside the plastic lamp shell 2, a second heat-radiating fin 11 is arranged between the two first heat-radiating fins 6, two first light-transmitting holes 7 are symmetrically arranged on the second heat-radiating fin 11, a second light-transmitting hole 10 is arranged at the center of the first light-transmitting plate 3, a plurality of inserting holes 5 for positioning and installation are arranged at two sides of the plastic lamp shell 2, and a heat-dissipating through hole 8 is arranged between the inserting hole 5 and the first light-transmitting plate 3, each of the first radiator fin 6 and the second radiator fin 11 includes a first fin connection portion 12 and a second fin connection portion 13, and a fin body portion 14 provided between the first fin connection portion 12 and the second fin connection portion 13.

Preferably, the angle formed between the first fin connection portion 12 and the fin main body portion 14 is about 30 °, and the angle formed between the second fin connection portion 13 and the fin main body portion 14 is about 30 °.

Preferably, the top of the second light-transmitting plate 4 is arc-shaped, and the included angle between the second light-transmitting plate 4 and the plastic lamp housing 2 is about 40-45 °.

Preferably, the plastic lamp housing 2 is provided with a plurality of positioning holes 9.

Preferably, the first radiator fins 6 and the second radiator fins 11 are spaced apart by about 5 cm.

One specific application of this embodiment is:

working process (working condition): when the lamp emits light, the plastic small lamp housing body 1 covers the LED lamp through the insertion hole 5, the light source generated by the LED performs efficient light transmission conversion through the second light transmission hole 10 and the first light transmission hole 7 on the first light transmission plate 3, and meanwhile, the first heat dissipation fins 6 and the second heat dissipation fins 11 dissipate heat inside the lamp.

To sum up, through having set up first light-passing board 3 and second light-passing board 4, the luminousness of plastics small lamp body 1 has been increased, the efficiency of electric energy conversion to light energy has been promoted, reduce the efficiency of electric energy conversion heat energy, reduce and accumulate a large amount of heat energy, thereby the life-span of plastics small lamp body has been prolonged, through having set up first heat radiation fin 6 and second heat radiation fin 11, make the holistic heat dispersion of plastics lamp body 2 better, make the practicality of plastics small lamp body 1 better, thereby the life-span of plastics small lamp body has been prolonged.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a good heat dissipation's little lamp body of plastics, includes little lamp body of plastics (1), its characterized in that: plastics lamplet body (1) includes plastics lamp body (2), connects plastics lamp body (2) one side second light-passing board (4), locates first light-passing board (3) on plastics lamp body (2), plastics lamp body (2) inside is equipped with a plurality of first heat radiation fins (6), two all be equipped with second heat radiation fins (11) between first heat radiation fins (6), the symmetry is provided with two first light trap (7) on second heat radiation fins (11), first light-passing board (3) center is equipped with second light trap (10), plastics lamp body (2) both sides are equipped with a plurality of spliced eye (5) that are used for the location installation, be equipped with between spliced eye (5) and first light-passing board (3) heat dissipation through-hole (8), first heat radiation fins (6) and second heat radiation fins (11) all include first fin connecting portion (12) and second fin connecting portion (13), And a fin body portion (14) provided between the first fin connection portion (12) and the second fin connection portion (13).

2. The plastic miniature lamp envelope with good heat dissipation performance as set forth in claim 1, wherein: the included angle formed between the first fin connecting portion (12) and the fin main body portion (14) is about 30 degrees, and the included angle formed between the second fin connecting portion (13) and the fin main body portion (14) is about 30 degrees.

3. The plastic miniature lamp envelope with good heat dissipation performance as set forth in claim 1, wherein: the top of the second light-transmitting plate (4) is arc-shaped, and the included angle formed by the connection of the second light-transmitting plate (4) and the plastic lamp shell (2) is about 40-45 degrees.

4. The plastic miniature lamp envelope with good heat dissipation performance as set forth in claim 1, wherein: and a plurality of positioning holes (9) are formed in the plastic lamp shell (2).

5. The plastic miniature lamp envelope with good heat dissipation performance as set forth in claim 1, wherein: the distance between the first radiating fins (6) and the second radiating fins (11) is about 5 cm.

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