CN210345065U - LED illuminating light source body - Google Patents

Abstract

The utility model relates to a LED illumination light source body has SMD LED component, installs aluminium base board printed wiring board of SMD LED component, follow wire, installing support of drawing forth on the aluminium base board printed wiring board. And material layers with waterproof and heat-dissipation light diffusion effects are integrally filled between the element surface of the aluminum substrate printed circuit board, the surface of the patch type LED element, the bottom surface of the aluminum substrate printed circuit board and the bottom of the clamping groove of the aluminum alloy seat and between the side surface of the aluminum substrate printed circuit board and the wall of the clamping groove of the aluminum alloy seat, and the material layers integrally wrap the aluminum substrate printed circuit board and the patch type LED element. The utility model discloses a waterproof and the heat dissipation problem of lamps and lanterns just can be solved to whole filling material layer one-time sealing for production technology becomes simpler, and the qualification rate of product is higher, has reduced the manufacturing cost of LED applied lamps and lanterns, and the light diffusion effect that filling material layer has, and the light that enables LED component and send is softer, and has reduced the electric power cost.

Description

LED illuminating light source body

Technical Field

The utility model relates to a LED lighting technology field.

Background

The current fluorescent tube lighting generally adopts a mode of coating fluorescent materials on the inner wall of a glass tube and filling mercury vapor in the tube, compared with the original tungsten filament solid light emitting mode, the mode has greatly improved photoelectric conversion efficiency and is widely adopted all over the world, but the pollution of mercury metal to the environment is not negligible.

As a novel efficient and environment-friendly luminescent material, the LED has been widely used in various fields such as automobiles, landscape lighting, signal display, and the like. Currently, the illumination light source body used in an automobile generally has two structures: the first structure is 'an LED lighting universal light source body with a heat dissipation design' disclosed in Chinese patent document with publication number CN201196403Y, which is provided with an LED element and a printed circuit board, wherein the printed circuit board is assembled in an aluminum alloy seat, the aluminum alloy seat is in a groove shape, a distance is reserved between the bottom surface of the printed circuit board and the groove bottom of the aluminum alloy seat, and an insulating heat conduction material is filled between the bottom surface and the groove bottom, if an LED single lamp is adopted, LED pins are welded on the bottom surface of the printed circuit board, and a distance is reserved between the LED pins and the groove bottom of the aluminum alloy seat and is completely wrapped by the filled insulating heat conduction material. The insulating heat conducting material is insulating heat conducting silicon rubber or other insulating colloid or paste heat conducting materials. And waterproof insulating glue is filled on the element surface of the printed circuit board. This structure has the following disadvantages: this structure pastes the heat conduction silica gel area with printed wiring board bottom earlier, and then installs the printed wiring board in the aluminum alloy seat bottom, then fills waterproof insulating cement at the component face of printed wiring board, and two kinds of gluey properties are different, seal respectively the upside and the downside part of printed wiring board, and both can not carry out whole seamless parcel to printed wiring board and electronic component, still have the not enough risk of waterproof insulation, moreover, this structure technology is complicated. In addition, the structure adopts common insulating materials, the surface of the LED element is not wrapped, on one hand, light rays emitted by the LED element are dazzling, on the other hand, at least two rows of LED elements are usually adopted in practical use, and if one row of LED elements are adopted, the LED luminous flux is insufficient, and the light diffusion surface is too narrow. When the heat dissipation area is certain, the two parallel LED elements are adopted to be more than one row of LED elements, so that the heat accumulation of the lamp is too high, the heat dissipation effect is not good enough, the light attenuation of the general light source body is increased, and the service life is shortened.

Disclosure of Invention

The utility model aims at providing a SMD LED illuminating light source body solves lamps and lanterns radiating effect not good enough, the dazzling and waterproof problem of light simultaneously, and simple process, saving cost.

A SMD LED illuminating light source body, it has SMD LED component, the welding installation aluminium base board printed wiring board of SMD LED component, follow wire, installing support of drawing forth on the aluminium base board printed wiring board. The aluminum substrate printed circuit board is assembled in the clamping groove of the aluminum alloy seat. And material layers with waterproof and heat-dissipation light diffusion effects are integrally filled between the element surface of the aluminum substrate printed circuit board, the surface of the patch type LED element, the bottom surface of the aluminum substrate printed circuit board and the bottom of the clamping groove of the aluminum alloy seat and between the side surface of the aluminum substrate printed circuit board and the wall of the clamping groove of the aluminum alloy seat, and the material layers integrally wrap the aluminum substrate printed circuit board and the patch type LED element. The aluminum alloy seat is strip-shaped and is clamped with the mounting bracket through clamping structures on the left side and the right side. And a clamping hook connected with the vehicle body is arranged on the outer side of the mounting bracket.

The utility model discloses because at the component face of aluminium base board printed wiring board, SMD LED component surface aluminium base board printed wiring board's bottom surface with between the draw-in groove end of aluminum alloy seat aluminium base board printed wiring board's side with whole packing has the material layer that has waterproof heat dissipation light diffusion for aluminium base board printed wiring board and SMD LED component are by whole parcel, do not have any gap, can reach absolute waterproof and insulating between the draw-in groove wall of aluminum alloy seat. Because the whole filling material has a heat dissipation effect, the structure can meet the luminous flux meeting the requirements only by adopting one row of LED elements, the light diffusion surface can meet the requirements, and the heat accumulation of the lamp can be reduced by adopting one row of LED elements compared with two rows of LED elements, so that the light attenuation of the universal light source body is reduced, and the service life is prolonged. Meanwhile, the whole filling material has a light diffusion effect and is coated on the surface of the LED element, so that light emitted by the LED element forms soft light beams, the problem of dazzling light is effectively solved, a lampshade does not need to be additionally arranged, and the luminous flux of the LED cannot be reduced.

The card wire casing has been established in the installing support outside, can block the wire, puts together it reason in the same direction as, improves the security.

Further, an open space is formed between the bottom of the aluminum alloy base and the mounting support, the radiating fins on the bottom of the aluminum alloy base are accommodated, air can flow conveniently through the open space, and heat dissipated by the radiating fins is taken away.

Furthermore, the wire clamping groove on the outer side of the mounting bracket is a U-shaped groove integrally formed on one side face, and a groove opening is provided with a local necking so that a wire can be clamped more reliably.

The utility model discloses assemble on the car, have following advantage: the utility model discloses a waterproof and the heat dissipation problem that lamps and lanterns just can be solved to whole filling material layer one-time sealing for production technology becomes simpler, the qualification rate of product is higher, the manufacturing cost of lamps and lanterns is used to the LED has been reduced, and the light diffusion effect that filling material layer has, the light that enables LED component and send is softer, need not install the lamp shade additional, only can satisfy luminous flux with one row of LED component, more traditional two rows LED component power saving more, the electric power cost is reduced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is one of the assembling views of the present invention and the mounting bracket;

fig. 4 is a second schematic view of the present invention assembled with a mounting bracket;

fig. 5 is a third schematic view of the assembly of the present invention with the mounting bracket.

In the figure: 1-surface mount type LED element; 2-an aluminum substrate printed circuit board; 3-a layer of waterproof heat-dissipating light-diffusing material; 4-an aluminum alloy base; 5, cooling fins; 6-a first mounting bracket; 7-a second mounting bracket; 8-a third mounting bracket; 61-a first hook; 71-second hook; 81-third hook; 82-wire clamping groove.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 and 2, a surface mount LED illumination light source body includes a surface mount LED element 1, an aluminum substrate printed wiring board 2 on which the surface mount LED element 1 is mounted by soldering, and a lead, an aluminum alloy base 4, and mounting brackets 6, 7, and 8 LED out from the aluminum substrate printed wiring board 2. The aluminum alloy seat 4 is in a long strip shape, a clamping groove is formed in the middle of the aluminum alloy seat along the length direction, the long strip-shaped aluminum substrate printed circuit board 2 is assembled in the clamping groove, and the surface mount type LED element 1 is welded on the element surface of the aluminum substrate printed circuit board 2. The material layer 3 with the function of preventing water and heat diffusion is integrally filled between the bottom surface of the aluminum substrate printed circuit board 2 and the bottom of the aluminum alloy seat and between the side surface of the aluminum substrate printed circuit board 2 and the groove wall of the aluminum alloy seat on the element surface of the aluminum substrate printed circuit board 2 and the surface of the patch type LED element 1, so that the water prevention and heat dissipation of the lamp are realized, and the light diffusion emitted by the patch type LED element 1 is ensured.

In this embodiment, the material layer 3 for preventing the diffusion of the heat radiation light can be made of various materials having the functions of preventing the diffusion of the heat radiation light, such as epoxy resin AB glue (multi-ring groups such as naphthalene and anthracene rings are introduced into the structure of the epoxy resin, or phenol groups are introduced into dicyclopentadiene skeleton) and light diffusing agent, which are liquid before filling, so that the gap formed between the periphery of the printed circuit board of the aluminum substrate and the aluminum alloy base can be effectively filled with the materials to form a seamless connection.

In this embodiment, the parallel fins 5 are disposed at the bottom of the aluminum alloy base 4, an open space is provided between the bottom of the aluminum alloy base and the mounting bracket to accommodate the fins 5 at the bottom of the aluminum alloy base, and the heat dissipated by the fins can be quickly taken away by the air flowing in the open space.

In this embodiment, the aluminum substrate printed wiring board 2 and the aluminum alloy base 4 are assembled by a snap-fit structure.

In this embodiment, the outer side of the aluminum alloy base 4 is provided with a clamping structure matched with the mounting bracket. In order to make the utility model have universality and interchangeability, the mounting bracket can be designed into various forms. The mounting bracket can be fixed on the vehicle body, so that the universal light source body can be conveniently taken down from the mounting bracket for replacement. The mounting bracket also adopts section aluminum alloy to better transfer heat to the automobile body.

As shown in fig. 3, two first hooks 61 assembled with the vehicle body are symmetrically arranged on the outer side of the bottom of the first mounting bracket 6, and can be clamped with an opening or a hole on the vehicle body.

As shown in fig. 4, the bottom of the second mounting bracket 7 is open u-shaped, and two second hooks 61 assembled with the vehicle body are symmetrically arranged on the inner side of the second mounting bracket for clamping the clamping portion on the vehicle body from two sides inwards.

As shown in fig. 5, two third hooks 81 assembled with the vehicle body are symmetrically arranged on the outer side of the bottom of the third mounting bracket 8, and the openings or holes on the vehicle body are clamped. In addition, a wire clamping groove 82 is integrally formed on one side outside the third mounting bracket 8, and the wire clamping groove 82 is used for fixing the connection wire of the universal light source body, so that the process is standard and attractive. Of course, different hooks can be designed for clamping the wire according to different requirements.

The universal light source body can be made into any length according to the needs of customers, can be used as a standard universal light source body, can be directly applied to lamps of various types by being matched with various different types of marking power supplies (12V, 24V, 110V, 220V and other alternating current and direct current), is used in different environments, solves the defects that when a common lamp manufacturer develops an LED lamp, the product specification is not uniform by using LED elements, the interchangeability is avoided, and the after-sale service difficulty is high, and ensures that a user is convenient to maintain and replace the LED lamp as a traditional lamp when using the LED lamp.

Claims (4)

1. An LED illuminating light source body is provided with a patch type LED element (1), an aluminum substrate printed circuit board (2) for mounting the patch type LED element (1), a lead LED out from the aluminum substrate printed circuit board (2), and a mounting bracket; the aluminum substrate printed circuit board (2) is assembled in a clamping groove of the aluminum alloy seat (4); the method is characterized in that: a material layer with waterproof and heat-dissipation light diffusion effects is integrally filled between the element surface of the aluminum substrate printed circuit board (2), the surface of the patch type LED element (1), the bottom surface of the aluminum substrate printed circuit board (2) and the bottom of the clamping groove of the aluminum alloy seat and between the side surface of the aluminum substrate printed circuit board and the wall of the clamping groove of the aluminum alloy seat, and the material layer integrally wraps the aluminum substrate printed circuit board (2) and the patch type LED element (1); the aluminum alloy seat (4) is in a strip shape and is clamped with the mounting bracket through clamping structures on the left side and the right side; and a clamping hook connected with the vehicle body is arranged on the outer side of the mounting bracket.

2. The LED illumination source body of claim 1, wherein: and a wire clamping groove for clamping a wire is arranged on the outer side of the mounting bracket.

3. The LED illumination source body of claim 2, wherein: the wire clamping groove on the outer side of the mounting bracket is a U-shaped groove integrally formed on one side face, and a local necking is formed in the groove opening.

4. The LED illumination source body of claims 1, 2 or 3, wherein: an open space is formed between the bottom of the aluminum alloy seat (4) and the mounting bracket, and the heat radiating fins (5) arranged at the bottom of the aluminum alloy seat (4) are accommodated.

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