CN216521008U

CN216521008U - LED bulb lamp adopting heat-conducting composite material

Info

Publication number: CN216521008U
Application number: CN202220100439.1U
Authority: CN
Inventors: 王秋艳
Original assignee: Shandong Komee Optoelectronic Technology Co ltd
Current assignee: Shandong Komee Optoelectronic Technology Co ltd
Priority date: 2022-01-15
Filing date: 2022-01-15
Publication date: 2022-05-13
Anticipated expiration: 2032-01-15

Abstract

The utility model relates to the technical field of LED (light-emitting diode) lighting, in particular to an LED bulb lamp adopting a heat-conducting composite material. The LED lamp comprises a lampshade, a shell connected to the upper end of the lampshade and a power interface arranged at the upper end of the shell, wherein a substrate is arranged in an inner cavity of the shell, the substrate is attached to the lower surface of a heat radiation body, and the side wall of the heat radiation body is tightly attached to the inner wall of the shell; the LED lamp bead and the driving power supply assembly are mounted on the lower surface of the base plate, and the input end of the driving power supply assembly is connected to a power supply interface through a wire. The LED bulb lamp is reasonable in structure and convenient to assemble and produce; the composite heat dissipation material has good insulating property while ensuring the heat dissipation effect, thoroughly avoids electric shock hazard, and is safe and reliable to use.

Description

LED bulb lamp adopting heat-conducting composite material

Technical Field

The utility model relates to the technical field of LED (light-emitting diode) illumination, in particular to an LED bulb lamp adopting a heat-conducting composite material.

Background

The LED lamp adopts the light emitting diode as a light source, can fully convert electric energy into light energy when in use, and has the characteristics of low energy consumption, long service life and no flicker compared with incandescent lamps and energy-saving lamps. However, a large amount of heat energy is generated when the high-power LED lamp bead for illumination works, and in order to solve the problem of heat dissipation, a common means is to use a fan to increase the air flow rate to achieve the purpose of active heat dissipation, but because the fan has certain noise during working and needs to reserve a channel for air circulation, the active heat dissipation device is not beneficial to sealing and insulation of the lamp, and cannot be applied to civil lighting equipment in a large amount. In order to achieve a good sealing effect, most of the existing LED bulb lamps adopt a passive heat dissipation mode of increasing the heat conduction of metal heat dissipation fins, LED lamp beads are welded on a metal substrate in a patch welding mode, the edge of the metal substrate extends to the outside of a lampshade, and a large-area metal substrate is used for heat dissipation. However, the LED bulb lamp with the structure not only has complex production process and high production cost, but also has electric shock danger because the metal substrate is exposed.

Disclosure of Invention

The utility model aims to provide the LED bulb lamp which is reasonable in structure, good in heat dissipation and insulation effects and simple in assembly process and is made of the heat-conducting composite material.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the LED bulb lamp adopting the heat-conducting composite material comprises a lampshade, a shell connected to the upper end of the lampshade and a power interface arranged at the upper end of the shell, wherein a substrate is arranged in an inner cavity of the shell, the substrate is attached to the lower surface of a heat radiation body, and the side wall of the heat radiation body is tightly attached to the inner wall of the shell; the LED lamp bead and the driving power supply assembly are mounted on the lower surface of the base plate, and the input end of the driving power supply assembly is connected to a power supply interface through a wire.

The heat radiator comprises an integrally formed bottom plate and an annular side wall plate fixedly connected to the bottom plate, a central hole is formed in the center of the bottom plate, a plurality of positioning holes are formed around the central hole, and a clamping groove is formed in the side wall plate; the inner wall of the shell is provided with a clamping plate matched with the clamping groove, and the clamping plate is embedded into the clamping groove after the shell and the heat radiation body are installed in place.

The clamping groove is a strip-shaped hole parallel to the axis of the side wall plate, one end of the clamping groove, which is far away from the bottom plate, is open, and the other end of the clamping groove is provided with a through hole of which the diameter is larger than the width of the clamping groove; more than two clamping grooves are uniformly distributed around the axis of the side wall plate.

The outer side of the clamping plate is fixedly connected with the inner wall of the shell, the inner side of the clamping plate is fixedly connected with a positioning column, the positioning column is a cylinder with the diameter larger than the thickness of the clamping plate, the lower end of the positioning column corresponds to the positioning hole, and a positioning screw penetrates through the positioning hole and is connected to the lower end of the positioning column.

The shell and the clamping plate are integrally formed by high-thermal-conductivity engineering plastics, and the outer wall of the shell is provided with integrally formed radiating fins.

The lampshade is of a cylindrical shell structure or a hemispherical shell structure with an opening at the upper end, and the lower end of the shell is connected to the upper end of the lampshade through a buckle.

The power interface is a screw, a center electrode of the screw is connected to a live wire terminal of the driving power supply assembly through a lead, and a side electrode of the screw is connected to a zero wire terminal of the driving power supply assembly through a lead.

After the technical scheme is adopted, the LED bulb lamp is reasonable in structure and convenient to assemble and produce; the composite heat dissipation material has good insulating property while ensuring the heat dissipation effect, thoroughly avoids electric shock hazard, and is safe and reliable to use.

Drawings

Fig. 1 is an exploded view of one embodiment of the present invention.

Fig. 2 is a schematic perspective view of a heat sink.

Fig. 3 is a perspective view of the housing.

Detailed Description

The utility model is further described with reference to the following figures and detailed description.

As shown in fig. 1, the LED bulb lamp adopting the heat-conducting composite material of the present invention includes a lamp shade 1, a housing 2 connected to an upper end of the lamp shade 1, and a power interface 3 disposed at an upper end of the housing 2, wherein a substrate 4 is installed in an inner cavity of the housing 2. The lampshade 1 is made of transparent or semitransparent frosted materials, and a cylindrical shell structure or a hemispherical shell structure with an opening at the upper end enables light rays emitted by the substrate 4 to penetrate through the lampshade 1 to be diffused outwards. The lower end of the shell 2 is connected to the upper end of the lampshade 1 by a buckle.

The substrate 4 is attached to the lower surface of the heat radiation body 5, and the side wall of the heat radiation body 5 is tightly attached to the inner wall of the shell 2; LED lamp pearl and drive power supply module are installed to the lower surface of base plate 4, can adopt the paster installation also can adopt other current mounting means. The input end of the driving power supply assembly is connected to the power interface 3 through a wire. The power interface 3 is a screw, a center electrode of the screw is connected to a live wire terminal of the driving power supply assembly through a lead, and a side electrode of the screw is connected to a zero wire terminal of the driving power supply assembly through a lead. Of course, the power interface 3 may also adopt a bayonet or other existing power interface structure. The alternating current that power source interface 3 introduced passes through the wire and transmits drive power supply subassembly, provides the required power of LED lamp pearl work by drive power supply subassembly, makes LED lamp pearl luminous.

As shown in fig. 2, the heat sink 5 is made of a metal material such as aluminum alloy or copper or iron with a high thermal conductivity, and is high in heat dissipation efficiency and easy to stamp and cast. The heat radiator 5 comprises a base plate 51 and an annular side wall plate 52, wherein the base plate 51 and the annular side wall plate are integrally formed, the annular side wall plate 52 is fixedly connected to the base plate 51, the side wall plate 52 is perpendicular to the base plate 51, a center hole 53 is formed in the center of the base plate 51, and a plurality of positioning holes 54 are formed around the center hole 53. The central hole 53 is used for accommodating a wire between the power interface 3 and the driving power assembly, and the positioning hole 54 is used for mounting and positioning between the heat radiator 5 and the casing 2. A clamping groove 55 is formed in the side wall plate 52; the inner wall of the shell 2 is provided with a clamping plate 21 matched with the clamping groove 55, the shell 2 and the clamping plate 21 are integrally formed by high-heat-conductivity engineering plastics, and the outer wall of the shell 2 is provided with integrally formed radiating fins 23. The card board 21 is inserted into the card slot 55 after the casing 2 and the heat radiator 5 are mounted in place. The engineering plastic has better insulating property, and the heat dissipation outer layer formed by the shell 2 and the heat dissipation inner layer formed by the side wall plate 52 are tightly attached together to form the heat conduction composite material, so that the heat dissipation requirement is met, and the insulation requirement is met.

In addition, as a further improvement of the present invention, the clamping groove 55 is a strip-shaped hole parallel to the axis of the side wall plate 52, and one end of the clamping groove 55 far away from the bottom plate 51 is open, and the other end is provided with a through hole 56 with a diameter larger than the width of the clamping groove 55; more than two pockets 55 are evenly distributed around the axis of the side wall plate 52. The strip-shaped clamping groove 55 can firmly clamp the clamping plate 21 and keep the clamping plate and the clamping plate on the same straight line, so that the coaxial installation of the heat radiation body 5 and the shell 2 is ensured; the through hole 56 provides the side wall plate 52 with good elasticity, so that the side wall plate 52 can be well attached to the inner wall of the housing 2 after the heat sink 5 is installed in the inner cavity of the housing 2.

As shown in fig. 3, the outer side of the clamping plate 21 is fixedly connected with the inner wall of the housing 2, the inner side of the clamping plate 21 is fixedly connected with a positioning column 22, the positioning column 22 is a cylinder with a diameter larger than the thickness of the clamping plate 21, the lower end of the positioning column 22 corresponds to the positioning hole 54, and a positioning screw passes through the positioning hole 54 and is connected to the lower end of the positioning column 22, so as to connect the heat sink 5 and the positioning column 22 together. Of course, a screw hole coinciding with the positioning hole 54 may be provided on the substrate 4, and the positioning screw passes through the screw hole on the substrate 4 and then passes through the positioning hole 54 on the heat dissipation body 5 to be connected to the lower end of the positioning column 22, so that the substrate 4 and the heat dissipation body 5 can be connected to the positioning column 22 at the same time.

As another embodiment of the present invention, the bottom plate 51 of the heat dissipation body 5 may be connected to the lower ends of the positioning pillars 22 by positioning screws, and then the substrate 4 and the bottom plate 51 may be fixedly connected together by screws by drilling holes at other positions.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an adopt heat conduction combined material's LED ball bubble lamp, includes lamp shade (1), connects shell (2) in lamp shade (1) upper end, sets up power source (3) in shell (2) upper end, install base plate (4), its characterized in that in the inner chamber of shell (2): the substrate (4) is attached to the lower surface of the heat radiator (5), and the side wall of the heat radiator (5) is tightly attached to the inner wall of the shell (2); LED lamp pearl and drive power supply module are installed to the lower surface of base plate (4), drive power supply module's input is connected to power source (3) through the wire.

2. The LED bulb lamp adopting the heat-conducting composite material as claimed in claim 1, wherein: the heat radiator (5) comprises an integrally formed bottom plate (51) and an annular side wall plate (52) fixedly connected to the bottom plate (51), a center hole (53) is formed in the center of the bottom plate (51), a plurality of positioning holes (54) are formed around the center hole (53), and a clamping groove (55) is formed in the side wall plate (52); the inner wall of the shell (2) is provided with a clamping plate (21) matched with the clamping groove (55), and the clamping plate (21) is embedded into the clamping groove (55) after the shell (2) and the heat radiator (5) are installed in place.

3. The LED bulb lamp adopting the heat-conducting composite material as claimed in claim 2, wherein: the clamping groove (55) is a strip-shaped hole parallel to the axis of the side wall plate (52), one end of the clamping groove (55) far away from the bottom plate (51) is open, and the other end of the clamping groove (55) is provided with a through hole (56) with the diameter larger than the width of the clamping groove (55); more than two slots (55) are evenly distributed around the axis of the side wall plate (52).

4. The LED bulb lamp adopting the heat-conducting composite material as claimed in claim 2 or 3, wherein: the outer side of the clamping plate (21) is fixedly connected with the inner wall of the shell (2), the inner side of the clamping plate (21) is fixedly connected with a positioning column (22), the positioning column (22) is a cylinder with the diameter larger than the thickness of the clamping plate (21), the lower end of the positioning column (22) corresponds to the positioning hole (54), and a positioning screw penetrates through the positioning hole (54) and is connected to the lower end of the positioning column (22).

5. The LED bulb lamp adopting the heat-conducting composite material as claimed in claim 2, wherein: the shell (2) and the clamping plate (21) are integrally formed by high-thermal-conductivity engineering plastics, and the outer wall of the shell (2) is provided with integrally formed radiating fins (23).

6. The LED bulb lamp adopting the heat-conducting composite material as claimed in claim 1, wherein: the lampshade (1) is of a cylindrical shell structure or a hemispherical shell structure with an opening at the upper end, and the lower end of the shell (2) is connected to the upper end of the lampshade (1) through a buckle.

7. The LED bulb lamp adopting the heat-conducting composite material as claimed in claim 1, wherein: the power interface (3) is a screw, a center electrode of the screw is connected to a live wire terminal of the driving power supply assembly through a lead, and a side electrode of the screw is connected to a zero wire terminal of the driving power supply assembly through a lead.