CN203363744U - A LED bulb lamp with good cooling effect - Google Patents

Abstract

An LED bulb lamp with a good heat dissipation effect belongs to the field of lighting lamps. The utility model comprises a lamp holder, a driving component, a LED module, a reflector, a diffusion lampshade and a radiator, wherein the radiator consists of an aluminum die-casting mosaic body and a heat-conducting plastic injection molding body, the heat-conducting plastic injection molding body comprises a heat-conducting plastic shell and a heat-conducting plastic inner sleeve, and the aluminum die-casting mosaic body is embedded between the heat-conducting plastic shell and the heat-conducting plastic inner sleeve in an injection molding mode; the upper end of the lamp cap is connected with the lower end of the heat-conducting plastic injection body, the driving assembly, the LED module and the reflecting cover are sequentially connected from bottom to top, the driving assembly is located in the heat-conducting plastic inner sleeve, the LED module is fixed with the upper end face of the aluminum die-casting inlay, and the lower end of the diffusion lampshade is connected with the upper end of the heat radiator. The utility model relates to a LED ball bubble lamp that radiating effect is good, its radiator heat conduction is fast, and heat radiation is strong, and the heat dissipation is fast, and the radiating effect is good, can improve the radiating effect of whole lamps and lanterns to can improve luminous flux, prolong LED's life.

Description

A LED bulb lamp with good cooling effect

technical field

The utility model relates to the technical field of lighting fixtures, in particular to an LED bulb lamp with good heat dissipation effect.

Background technique

With the development and maturity of LED technology, LED lamps have been used more and more widely, and it has become an inevitable trend for LED lighting to replace traditional lighting. Industry standards and international standards relative to LED lamps have also been gradually introduced, making the development direction of LED lamps gradually clear. Among them, taking the US Energy Star as an example, its standard stipulates very detailed technical parameters for LED bulb lamps. In the current market, the mainstream design of LED bulb lamps is: aluminum fin radiator, this kind of radiator is easy to accumulate dust after long-term use, which affects the heat dissipation effect.

In order to solve the problem of LED heat dissipation, a LED bulb lamp in the prior art adopts a tubular structure, and a closed space is formed inside the PCB circuit board, the lamp holder and the radiator, and heat dissipation mainly relies on the closed space. However, after using this LED bulb lamp, people found that the confined space cannot realize convection heat dissipation, and cannot fundamentally solve the heat dissipation problem.

There is also a kind of LED bulb lamp, because the outer surface of its heat sink is not smooth, this kind of heat sink is used for a long time, easy to accumulate dust, affects the cooling effect. the

In addition, due to the high heat generated by the LED, the heat sink on the LED bulb lamp is often in a high temperature state during the lighting process, which is easy to burn the user, especially when the LED bulb lamp needs to be replaced, it cannot be directly replaced by hand. It is very inconvenient to disassemble and replace the LED bulb.

Generally speaking, the heat generated by the LED of the LED bulb lamp in the prior art cannot be dissipated in time through the radiator, and the radiator is often in a high temperature state during the lighting process. Due to the poor heat dissipation effect of the radiator, resulting in The light flux of the LED bulb is not high, and the service life of the LED is short. With the continuous development of society and the continuous advancement of science and technology, people have put forward higher requirements on the heat dissipation effect of LED bulb lamp radiators. Therefore, people urgently hope that a kind of LED bulb lamp with good heat dissipation effect comes out.

Contents of the invention

The technical problem to be solved by the utility model is: to overcome the disadvantages of the LED bulb lamp in the prior art, such as the poor heat dissipation effect of the radiator, the low light flux of the LED bulb lamp, and the short service life of the LED, and to provide a heat dissipation effect Good LED bulb lamp, this kind of LED bulb lamp with good heat dissipation effect has fast heat conduction, strong heat radiation, fast heat dissipation, good heat dissipation effect, and can increase luminous flux and prolong the service life of LED.

The technical solution adopted by the utility model to solve the technical problem is: a LED bulb lamp with good heat dissipation effect, including a lamp holder, a drive assembly, an LED module, a reflector and a diffuser lampshade. This LED bulb lamp with a good heat dissipation effect The lamp also includes a radiator. The radiator is composed of an aluminum die-casting inlay and a thermally conductive plastic injection molding body. The thermally conductive plastic injection molding body includes a thermally conductive plastic shell and a thermally conductive plastic inner sleeve. The aluminum die-casting inlay is embedded in the thermally conductive plastic shell and thermally conductive plastic by injection molding. Between the inner sleeves; the upper end of the lamp head is connected to the lower end of the heat-conducting plastic injection molding body, and the drive assembly, LED module and reflector are connected sequentially from bottom to top. fixed, the lower end of the diffusion lampshade is connected with the upper end of the radiator.

In the above technical solution, the heat-conducting plastic shell, the aluminum die-casting inlay and the heat-conducting plastic inner sleeve are integrally formed by injection molding.

Further, the LED bulb lamp with good heat dissipation effect is provided with a plurality of protruding teeth on the axially outer surface of the aluminum die-casting inlay, and a groove is provided between every two adjacent protruding teeth.

Further, the LED bulb lamp with good heat dissipation effect is provided with a reserved injection molding space on the aluminum die-casting inlay, so that the heat-conducting plastic injection molded body and the aluminum die-casting inlay are well combined and have high strength.

Further, the LED bulb lamp with good heat dissipation effect is provided with a mounting clip for mounting the drive assembly on the inner wall of the heat-conducting plastic inner sleeve.

Further, the LED bulb lamp with good heat dissipation effect is provided with a mounting hole for fixing the LED module by screws at the upper end of the aluminum die-casting inlay.

Further, the LED bulb lamp with good heat dissipation effect is provided with a lampshade installation position for installing the diffuser lampshade on the upper end of the heat sink.

Further, the LED bulb lamp with good heat dissipation effect is provided with an external thread on the axially outer surface of the lower end of the heat-conducting plastic injection molding body for installing the lamp cap.

The beneficial effects of the utility model are: 1. Since the utility model also includes a heat sink, the heat sink is composed of an aluminum die-casting inlay and a heat-conducting plastic injection molding body. The heat-conducting plastic injection molding body includes a heat-conducting plastic shell and a heat-conducting plastic inner sleeve. The inlay is inlaid between the heat-conducting plastic shell and the heat-conducting plastic inner sleeve by injection molding; the heat-conducting plastic shell, the aluminum die-casting inlay and the heat-conducting plastic inner sleeve are integrally formed by injection molding; the aluminum die-casting material conducts heat quickly, and the heat-conducting plastic material is hot Strong radiation and fast heat dissipation. Therefore, the heat sink composed of aluminum die-casting inlay and thermally conductive plastic injection molding body has fast heat conduction, strong heat radiation, and fast heat dissipation. That is, the radiator of the present invention has fast heat conduction, strong heat radiation, and fast heat dissipation. The heat dissipation effect is good, which can improve the heat dissipation effect of the entire lamp, increase the luminous flux, and prolong the service life of the LED. 2. Since the utility model is provided with a plurality of protruding teeth on the axially outer surface of the aluminum die-casting inlay, a groove is provided between every two adjacent protruding teeth, and a groove is provided on the aluminum die-casting inlay. There is a reserved injection space for the thermally conductive plastic injection molding body and the aluminum die-casting inlay to be well combined and high in strength. Therefore, when the thermally conductive plastic shell, aluminum die-casting inlay and thermally conductive plastic inner sleeve are integrally formed by injection molding to form the cost After the radiator of the utility model, the heat-conducting plastic injection molding body and the aluminum die-casting inlay in the radiator are well combined, with high strength and long service life of the product. 3. Since the heat-conducting plastic shell, aluminum die-casting inlay and heat-conducting plastic inner sleeve are integrally formed by injection molding, the power supply in the utility model can be set according to a non-isolation scheme, so that the circuit of the power supply is simple and the power supply efficiency is high, thereby reducing The production cost of lighting products. 4. Due to the good heat dissipation effect of the utility model, the luminous flux is high, that is, the luminous efficiency is high. 5. Since the utility model has a good heat dissipation effect, the service life of the product is long. 6. The appearance of the utility model is beautiful, and is favored by people in interior decoration. 7. The utility model has simple structure, reasonable design, strong practicability, and the product has broad market prospects.

Description of drawings

Fig. 1 is an exploded view of parts of the utility model;

Fig. 2 is the three-dimensional structural representation of the utility model;

Fig. 3 is a cross-sectional view of the aluminum die-casting inlay and the heat-conducting plastic injection molding body in the utility model;

Explanation of reference numerals among Fig. 1 to Fig. 3:

1——lamp holder; 2——aluminum die-casting inlay; 3——thermally conductive plastic shell;

4——drive component; 5——LED module; 6——reflector;

7——diffuse lampshade; 8——convex teeth; 9——groove;

10——Reserved space for injection molding; 11——Heat-conducting plastic inner sleeve; 12——Installation clips;

13——Installation hole; 14——Shade installation position; 15——External thread.

Detailed ways

The utility model will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, and the scope of implementation of the utility model is not limited thereto.

As shown in Figures 1 to 3, a LED bulb lamp with good heat dissipation effect described in this embodiment includes a lamp holder 1, a drive assembly 4, an LED module 5, a reflector 6 and a diffuser lampshade 7. The LED bulb lamp with good effect also includes a radiator. The radiator consists of an aluminum die-casting inlay 2 and a thermally conductive plastic injection molding body. The thermally conductive plastic injection molding includes a thermally conductive plastic shell 3 and a thermally conductive plastic inner sleeve 11. The aluminum die-casting inlay 2 passes The injection molding method is embedded between the heat-conducting plastic shell 3 and the heat-conducting plastic inner sleeve 11; the upper end of the lamp head 1 is connected to the lower end of the heat-conducting plastic injection molding body, and the driving component 4, LED module 5 and reflector 6 are connected sequentially from bottom to top, and the driving component 4 Located in the heat-conducting plastic inner sleeve 11, the LED module 5 is fixed to the upper end of the aluminum die-casting inlay 2, and the lower end of the diffuser lampshade 7 is connected to the upper end of the radiator. In the above technical solution, the heat-conducting plastic shell 3, the aluminum die-casting inlay 2 and the heat-conducting plastic inner sleeve 11 are integrally formed by injection molding. Further, this LED bulb lamp with good heat dissipation effect is provided with a plurality of protruding teeth 8 on the axially outer surface of the aluminum die-casting inlay 2, and a groove 9 is provided between every two adjacent protruding teeth 8 Further, the LED bulb lamp with good heat dissipation effect is provided with a reserved injection molding space 10 on the aluminum die-casting inlay 2 so that the thermally conductive plastic injection molding body and the aluminum die-casting inlay 2 are well combined and have high strength; Therefore, when the heat-conducting plastic shell 3, the aluminum die-casting inlay 2 and the heat-conducting plastic inner sleeve 11 are integrally formed by injection molding to form the radiator, the heat-conducting plastic injection molded body and the aluminum die-casting inlay 2 in the radiator Good combination, high strength, long product life. Further, the LED bulb lamp with good heat dissipation effect is provided with a mounting clip 12 for mounting the drive assembly 4 on the inner wall of the heat-conducting plastic inner sleeve 11 . Further, the LED bulb lamp with good heat dissipation effect is provided with a mounting hole 13 on the upper end of the aluminum die-casting inlay 2 through which the LED module 5 is fixed by screws. Further, the LED bulb lamp with good heat dissipation effect is provided with a lampshade installation position 14 for installing the diffuser lampshade 7 at the upper end of the heat sink. Further, the LED bulb lamp with good heat dissipation effect is provided with an external thread 15 for installing the lamp cap 1 on the axially outer surface of the lower end of the heat-conducting plastic injection molding body. The direction described in this embodiment is based on Fig. 2, the top of Fig. 2 is up, the bottom of Fig. 2 is down, the left side of Fig. 2 is left, and the right side of Fig. 2 is right.

The above is only a preferred embodiment of the utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the utility model patent application scope are all included in the utility model patent application. within the scope of protection.

Claims (8)

1. An LED bulb lamp with good heat dissipation effect, comprising a lamp holder (1), a drive assembly (4), an LED module (5), a reflector (6) and a diffuser lampshade (7), characterized in that: it also includes A heat sink, the heat sink is composed of an aluminum die-casting inlay (2) and a heat-conducting plastic injection molding body, the heat-conducting plastic injection-molding body includes a heat-conducting plastic shell (3) and a heat-conducting plastic inner sleeve (11), and the aluminum die-casting inlay (2) is formed by injection molding The method is embedded between the heat-conducting plastic shell (3) and the heat-conducting plastic inner sleeve (11); the upper end of the lamp holder (1) is connected to the lower end of the heat-conducting plastic injection molding body, and the driving component (4), LED module (5) and reflector (6) ) are connected sequentially from bottom to top, the drive assembly (4) is located in the heat-conducting plastic inner sleeve (11), the LED module (5) is fixed to the upper end of the aluminum die-casting inlay (2), and the lower end of the diffuser lampshade (7) and the radiator upper connection. 2. The LED bulb lamp with good heat dissipation according to claim 1, characterized in that: the heat-conducting plastic shell (3), the aluminum die-casting inlay (2) and the heat-conducting plastic inner sleeve (11) are injected One-piece molding. 3. An LED bulb lamp with good heat dissipation according to claim 1 or 2, characterized in that: a plurality of convex teeth (8) are arranged on the axially outer surface of the aluminum die-casting inlay (2) , a groove (9) is provided between every two adjacent protruding teeth (8). 4. The LED bulb lamp with good heat dissipation effect according to claim 3, characterized in that: the aluminum die-casting inlay (2) is provided with such that the heat-conducting plastic injection molding body and the aluminum die-casting inlay ( 2) A well-bonded, high-strength reserved space for injection molding (10). 5. The LED bulb lamp with good heat dissipation effect according to claim 1, characterized in that: on the inner wall of the heat-conducting plastic inner sleeve (11), there is a mounting bracket for installing the driving component (4). Cards (12). 6. The LED bulb lamp with good heat dissipation effect according to claim 1, characterized in that: the upper end of the aluminum die-casting inlay (2) is provided with a screw to fix the LED module (5) Mounting holes (13). 7. The LED bulb lamp with good heat dissipation effect according to claim 1, characterized in that: a lampshade installation position (14) for installing the diffuser lampshade (7) is provided on the upper end of the heat sink. 8. An LED bulb lamp with good heat dissipation effect according to claim 1, characterized in that: the outer axial surface of the lower end of the heat-conducting plastic injection molding body is provided with an external thread (15) for installing the lamp cap (1) ).

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