CN202158386U - A structurally improved LED light bulb - Google Patents

Abstract

The utility model relates to a LED illumination lamps and lanterns technical field especially relates to a construction improvement's LED bulb. The utility model discloses a there is the printing opacity cover, the lamp holder of lamp shade and metal, settle the chamber and installed LED lamp grain and lamp grain mounting substrate, settle the chamber and installed the heat pipe in lamp grain mounting substrate's top, the lower surface of heat pipe contacts with lamp grain mounting substrate's upper surface, the upper end of heat pipe prolongs and is equipped with the pin, the cartridge hole that corresponds with the pin is seted up to the lamp shade, the pin inlays to insert downthehole and contact with the inner wall of lamp holder of cartridge, the outside cover of the lower tip of lamp holder is equipped with the heat conduction ring of being made by high heat-collecting material. The heat conducting ring has stronger heat absorption performance, and when the LED bulb with the improved structure is used for lighting, under the strong adsorption action of the heat conducting ring, the heat of the lamp particle mounting substrate is transmitted to the heat conducting ring through the heat conducting pipe, the pins and the lamp holder in sequence and is finally emitted to the outside through the heat conducting ring; therefore, the utility model has the advantages of simple structure and low manufacturing cost.

Description

A structurally improved LED light bulb

technical field

The utility model relates to the technical field of LED lighting fixtures, in particular to an LED light bulb with improved structure.

Background technique

At present, LED has gradually replaced traditional light bulbs because of its ability to greatly reduce manufacturing costs, long life, and low power consumption, and has become a new lighting source that the industry is striving to develop in order to meet the requirements of power saving and environmental protection.

In the process of use, the heat dissipation effect of LED bulbs has become a key factor affecting the service life of LED bulbs; in order to solve the heat dissipation problem of LED bulbs, various LED bulb manufacturers have improved the heat dissipation effect of LED bulbs in various ways, such as authorized announcement number It is a Chinese utility model patent named "CN200940796Y" and named "LED light bulb". The LED light bulb includes: a lamp cap, combined with the power socket of the light bulb; combined with the above-mentioned lamp holder; a circuit device arranged in the hollow metal tube of the above-mentioned radiator and connected with the above-mentioned lamp holder to obtain power; and an LED lamp group arranged on the hollow metal tube of the above-mentioned radiator. The above-mentioned LED light bulb mainly achieves heat dissipation through a heat sink provided with a plurality of heat dissipation fins. Although the heat dissipation problem of the LED light bulb can be solved to a certain extent, the structure is complicated and the manufacturing cost is high.

In view of this, on the premise of ensuring the heat dissipation effect of the LED bulb, it is necessary to further improve the existing LED bulb.

Contents of the invention

The purpose of the utility model is to provide a structurally improved LED light bulb for the deficiencies of the prior art. The structurally improved LED light bulb has a simple structure and low manufacturing cost.

In order to achieve the above object, the utility model is realized through the following technical solutions.

A structurally improved LED light bulb, comprising a translucent cover, a lampshade, and a metal lamp cap arranged in sequence from bottom to top, the lampshade and the translucent cover are connected to each other and together enclose the cavity inside the structurally improved LED bulb. The cavity is equipped with LED lamp grains and lamp grain mounting substrates. The LED lamp grains are fixed on the lower surface of the lamp grain mounting substrate. The upper surface of the substrate is in contact, the upper end of the heat pipe is extended with pins, the lampshade is provided with insertion holes corresponding to the pins, the pins are inserted into the insertion holes and contact the inner wall of the lamp cap, the lower end of the lamp cap The outside of the part is fitted with a heat conduction ring made of high heat accumulation material.

Wherein, the lampshade is a plastic lampshade.

Wherein, the inside of the heat pipe is formed with a vent chamber, the upper end of the heat pipe is provided with a first vent hole connected to the vent chamber, and the lampshade is provided with a second vent hole connected to the outside corresponding to the first vent hole, the vent chamber, The first air hole and the second air hole form a convection channel for guiding the inner hot air to flow to the outside.

Wherein, a connection block is provided on the lower surface of the heat pipe, and the connection block is connected to the lamp chip mounting substrate.

Wherein, the connection block is screwed to the lamp chip mounting substrate.

Wherein, the lower end of the lampshade is screwed to the upper end of the transparent cover.

Wherein, the lower end of the lampshade is fastened to the upper end of the transparent cover.

The beneficial effects of the utility model are as follows: a structurally improved LED light bulb described in the utility model includes a light-transmitting cover, a lampshade and a metal lamp cap, and the interior cavity of the structurally improved LED bulb is equipped with LED lamp grains. As well as the lamp particle installation substrate, the installation cavity is installed above the lamp particle installation substrate with a heat pipe, the lower surface of the heat pipe is in contact with the upper surface of the lamp particle installation substrate, the upper end of the heat pipe is extended with pins, and the lampshade is opened There are insertion holes corresponding to the pins, the pins are inserted into the insertion holes and contact the inner wall of the lamp cap, and the outer side of the lower end of the lamp cap is covered with a heat conducting ring made of high heat gathering material. The heat-conducting ring has a strong heat-absorbing performance. When using the improved LED bulb for lighting with this structure, under the strong heat-absorbing effect of the heat-conducting ring, the heat of the lamp particle mounting substrate is transmitted to the heat-conducting ring through the heat-conducting tube, pins, and lamp holder in turn. And finally dissipate to the outside through the heat conduction ring; Compared with the LED light bulb that dissipates heat through the heat dissipation fins, the utility model has the advantages of simple structure and low manufacturing cost.

Description of drawings

The utility model will be further described below using the accompanying drawings, but the embodiments in the accompanying drawings do not constitute any limitation to the present utility model.

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic cross-sectional view of the utility model.

Fig. 3 is an exploded schematic view of the utility model.

In Figures 1 to 3 include:

1——Translucent cover 2——Lampshade 21——Second ventilation hole

3——Lamp holder 4——Installation cavity 5——LED lamp grains

6——Lamp grain mounting substrate 7——Heat pipe 71——Pin

72——ventilating cavity 73——the first venting hole 74——connecting block

8——Heat conduction ring.

Detailed ways

The utility model will be further described below in conjunction with specific embodiments.

Embodiment 1, as shown in Figures 1 to 3, the structurally improved LED light bulb of Embodiment 1 includes a transparent cover 1, a lampshade 2, and a metal lamp holder 3 arranged in sequence from bottom to top, and the lampshade 2 and the transparent cover 1. Connecting with each other and enclosing together to form the installation cavity 4 inside the LED light bulb with the improved structure, the installation cavity 4 is equipped with LED lamp grains 5 and lamp grain mounting substrate 6, and the LED lamp grains 5 are fixed under the lamp grain mounting substrate 6 On the surface, the placement chamber 4 is provided with a heat pipe 7 above the lamp particle mounting substrate 6, the lower surface of the heat pipe 7 is in contact with the upper surface of the lamp particle mounting substrate 6, and the upper end of the heat pipe 7 is extended with a pin 71 , the lampshade 2 is provided with an insertion hole corresponding to the pin 71 (not shown in the figure), the pin 71 is inserted into the insertion hole and contacts the inner wall of the lamp cap 3, and the outer side of the lower end of the lamp cap 3 is sleeved with A heat conduction ring 8 made of a high heat-gathering material.

As shown in Figures 2 and 3, the upper end of the lampshade 2 is nested in the inner cavity of the lamp holder 3, wherein the inner wall of the lamp holder 3 is formed with internal threads, the upper end of the lampshade 2 is formed with external threads, and the upper end of the lampshade 2 It is screwed to the lamp cap 3; in addition, the insertion hole is located below the end of the external thread of the lampshade 2, and the pin 71 of the heat pipe 7 extends through the insertion hole to between the lampshade 2 and the lamp cap 3 and contacts the inner wall of the lamp cap 3 . In order to facilitate installation and maintenance, the transparent cover 1 and the lamp cover 2 of the LED light bulb with improved structure in the first embodiment are connected together by a detachable connection method, such as a screw connection method or a buckle connection method.

During the use of the LED light bulb with improved structure in the first embodiment, most of the heat dissipated by the LED lamp grain 5 is transferred to the aluminum lamp grain mounting substrate 6. Since the heat conduction ring 8 has a strong heat absorption capacity, Under the strong adsorption of the ring 8, the heat of the lamp chip mounting substrate 6 is transmitted to the heat conduction ring 8 through the heat conduction tube 7, the pin 71, and the lamp holder 3 in sequence, and finally dissipated to the outside through the heat conduction ring 8. Based on the above situation, it can be seen that, compared with the LED light bulbs that dissipate heat through fins, the utility model has the advantages of simple structure and low manufacturing cost, and can also achieve a better heat dissipation effect.

As a preferred embodiment, the lampshade 2 is a plastic lampshade. Due to the low thermal conductivity of the plastic material, the lampshade 2 made of plastic material will not be hot due to heat accumulation; therefore, the plastic lampshade 2 has the advantages of convenient replacement of the LED lamp grain 5 and maintenance.

As a preferred embodiment, a connection block 74 is provided on the lower surface of the heat pipe 7 , and the connection block 74 is connected to the lamp grain mounting substrate 6 ; the connection block 74 is screwed to the lamp grain mounting substrate 6 . As shown in FIG. 3 , the lower surface of the connecting block 74 is flush with the lower surface of the heat pipe 7 , and the connecting block 74 is fixed on the upper surface of the lamp chip mounting substrate 6 by screws.

Embodiment 2, as shown in FIG. 3 , the difference between this embodiment 2 and embodiment 1 is that: the inside of the heat pipe 7 is formed with a vent chamber 72 , and the upper end of the heat pipe 7 is provided with a first vent hole communicating with the vent chamber 72 73. The lampshade 2 is provided with a second air hole 21 connected to the outside corresponding to the first air hole 73. The air cavity 72, the first air hole 73 and the second air hole 21 form a convection channel for guiding the internal hot air to flow to the outside. . When the structure-improved LED light bulb of the second embodiment is working, part of the heat conducted to the lamp particle mounting substrate 6 is dissipated into the air-ventilating cavity 72 of the heat-conducting tube 7; The cavity 72 will have a chimney effect and form convection, specifically: the hot air in the vent cavity 72 rises and is transported to the outside through the first vent hole 73 and the second vent hole 21 in sequence. Therefore, in the second embodiment, the heat dissipation effect can be further enhanced through the above-mentioned convection channels.

The above content is only a preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation and scope of application. The content of this specification should not be understood as Limitations on the Invention.

Claims (7)

1. An LED light bulb with improved structure, including a transparent cover (1), a lampshade (2) and a metal lamp holder (3) arranged in sequence from bottom to top, and the lampshade (2) and the transparent cover (1) are connected to each other And jointly enclose the installation cavity (4) inside the LED light bulb with the improved structure. The installation cavity (4) is equipped with LED lamp grains (5) and lamp grain mounting substrates (6), and the LED lamp grains (5) are fixed on The lower surface of the lamp particle installation substrate (6), is characterized in that: the placement cavity (4) is equipped with a heat conduction tube (7) above the lamp particle installation substrate (6), and the lower surface of the heat conduction tube (7) is in contact with the lamp particle The upper surface of the installation substrate (6) is in contact, the upper end of the heat pipe (7) is extended with a pin (71), the lampshade (2) is provided with an insertion hole corresponding to the pin (71), and the pin (71) ) is inserted into the insertion hole and is in contact with the inner wall of the lamp holder (3), and the outer side of the lower end of the lamp holder (3) is covered with a heat conducting ring (8) made of high heat-gathering material. 2. The structurally improved LED light bulb according to claim 1, characterized in that: the lampshade (2) is a plastic lampshade. 3. A structurally improved LED light bulb according to claim 2, characterized in that: the inside of the heat pipe (7) is formed with a ventilating cavity (72), and the upper end of the heat pipe (7) is provided with a ventilating cavity The first air hole (73) of the chamber (72), the lampshade (2) is provided with the second air hole (21) connected to the outside corresponding to the first air hole (73), the air chamber (72), the first air hole (73) and the second ventilation hole (21) form a convection channel for guiding the inner hot air to flow to the outside. 4. The structurally improved LED light bulb according to claim 1, characterized in that: the lower surface of the heat pipe (7) is provided with a connecting block (74), and the connecting block (74) is installed with the lamp grain The substrate (6) is connected. 5. The structurally improved LED light bulb according to claim 4, characterized in that: the connection block (74) is screwed to the lamp particle mounting substrate (6). 6. The structurally improved LED light bulb according to claim 1, characterized in that: the lower end of the lampshade (2) is screwed to the upper end of the light-transmitting cover (1). 7. The structurally improved LED light bulb according to claim 1, characterized in that: the lower end of the lampshade (2) is fastened to the upper end of the light-transmitting cover (1).

Images