A kind of low power LED spotlight
Technical field
The utility model relates to a kind of LED spotlight, especially a kind of low power LED spotlight.
Background technique
Low power LED spotlight, power is in 5W hereinafter, because power is small, without heat radiation elements in lamp body structure, not only
The injection of light can be increased, while production cost can be reduced.It is often used in some brightness of illumination occasion of less demanding.
But existing above-mentioned LED spotlight, it is all made of the luminous LED light source board of single side, the light that LED lamp bead issues is only
It can be projected from lens direction, the back of LED spotlight is caused to limit the application of such LED spotlight, such as its than darker
It is not suitable as Mirror front lamp use.
Utility model content
It is close that a kind of light emitting angle is provided purpose of the utility model is to solve above-mentioned the deficiencies in the prior art
360 ° of low power LED spotlight.
To achieve the goals above, a kind of low power LED spotlight designed by the utility model comprising: one is thoroughly
Light lamp housing is equipped with lamp cap on the bottom of the light transmission lamp housing, is equipped with lens in opening;One LED light source board;And one
A LED light source mould group plate;
Wherein, above-mentioned LED light source board with LED light source mould group plate is back-to-back is mounted in light transmission lamp housing, between the two and
It is electrically connected between LED light source mould group plate and lamp cap, and the LED lamp bead in LED light source board is towards lens, LED light source mould group plate
On LED lamp bead and driving element towards lamp cap, the light transmission lamp housing material can be transparent plastic or transparent glass.
Preferably, the mounting structure of both above-mentioned LED light source board and LED light source mould group plate in light transmission lamp housing are as follows: described
LED light source board with LED light source mould group plate is back-to-back be adhesively fixed by heat-conducting glue after constitute two-sided combination illuminant, the light transmission
Be equipped with an annular slot close to slot end side inside the wide mouth end of lamp housing, two-sided combination illuminant be buckled in annular slot from
And it is fixed in the wide mouth end of light transmission lamp housing.
Preferably, between above-mentioned LED light source board and LED light source mould group plate and between LED light source mould group plate and lamp cap
It is electrically connected by conducting wire.
Further, the conducting wire electric connection structure of both above-mentioned LED light source board and LED light source mould group plate are as follows: above-mentioned
Pad is set in one of them of the LED light source board of two-sided combination illuminant or LED light source mould group plate, and is arranged another on and connects
Plug-in unit, one end of conducting wire and pad solder, the other end make LED light source board and LED light source mould group plate be electrically connected with connector grafting
It picks up and.
The light that LED lamp bead in LED light source board described in the structure of the utility model issues is projected by shot-light front end,
The light that LED lamp bead on LED light source mould group plate issues is projected from the rear end of shot-light, since light transmission lamp housing is full impregnated light,
So entire LED spotlight be it is luminous, light emitting angle can be realized close to 360 °.
As a further improvement, above-mentioned light transmission lamp housing is designed as oviduct structure, and slot end is equipped with lamp on bottom
Head, mounted lens in the opening of wide mouth end;The arc-shaped structure of wide opening end side surface.
Light transmission lamp housing described in above-mentioned preferred embodiment is oviduct structure, and the spherical structure of wide mouth end can increase LED
The refraction for the light that light source module group onboard led lamp bead issues and reflection angle, promote the lighting angle and uniform illumination of the part light
Property.
Compared with prior art, it has following advantages:
1, a kind of LED spotlight provided by the utility model, light emitting angle can be realized close to 360 °, i.e., it is a complete
Luminous LED spotlight;
2, a kind of LED spotlight provided by the utility model, structure is simple, and production cost is low, and market competitiveness is good.
Detailed description of the invention
Fig. 1 is that embodiment provides a kind of structure chart of low power LED spotlight;
Fig. 2 is that embodiment provides a kind of explosive view of low power LED spotlight;
Fig. 3 is the structure chart one of two-sided combination illuminant in embodiment;
Fig. 4 is the structure chart two of two-sided combination illuminant in embodiment;
Fig. 5 is the sectional view in Fig. 1 at A-A;
Fig. 6 is the partial enlarged view in Fig. 5 at a;
Fig. 7 is that embodiment provides the sectional view of another low power LED spotlight;
Fig. 8 is the structure chart of light transmission lamp housing in embodiment.
In figure: lens 1, light transmission lamp housing 2, annular slot 2-1, two-sided combination illuminant 3, lamp cap 4, LED light source board 5,
One aluminum-based circuit board 5-1, the first LED lamp bead 5-2, LED light source mould group plate 6, the second aluminum-based circuit board 6-1, the second LED lamp bead 6-
2, surface-mounted device 6-3, electrolytic capacitor 6-4, pad 7, connector 8, conducting wire 9.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 and Fig. 2 be the present embodiment provides the structure chart and explosive view of a kind of low power LED spotlight, including lens 1,
Light transmission lamp housing 2, two-sided combination illuminant 3 and lamp cap 4.
Fig. 3 and 4 is the structure chart of above-mentioned two-sided combination illuminant 3, and two-sided combination illuminant 3 includes one piece of LED light source board 5
With one block of LED light source mould group plate 6, LED light source board 5 includes the first aluminum-based circuit board 5-1 and the first LED lamp bead 5-2, the first aluminium base
Wiring board 5-1 is circular configuration, and positive center is equipped with the first LED lamp bead 5-2, and the first LED lamp bead 5-2 is towards lens 1, LED
Light source module group plate 6 includes the second aluminum-based circuit board 6-1, the second LED lamp bead 6-2 and driving element, the second aluminum-based circuit board 6-1
For circular configuration, driving element includes surface-mounted device 6-3 and electrolytic capacitor 6-4, and electrolytic capacitor 6-4 is welded on the second aluminium base route
The center at the back side plate 6-1, the second LED lamp bead 6-2 and surface-mounted device 6-3 are looped around the surrounding of electrolytic capacitor 6-4, while towards lamp
First 4.
LED light source board 5 and LED light source mould group plate 6 connect back-to-back, and are adhesively fixed by heat-conducting glue.In LED light source board
Pad 7 is set on 5, connector 8 is set on LED light source mould group plate 6, by the way that one end of conducting wire 9 and pad 7 are welded, and it is another
End is electrically connected LED light source board 5 and LED light source mould group plate 6 with 8 grafting of connector.
If Fig. 5 is that the present embodiment provides a kind of sectional views of low power LED spotlight, wherein light transmission lamp housing 2 is oviduct
Structure is equipped with lamp cap 4 on the bottom of slot end, mounted lens 1 in the opening of wide mouth end, and the spherical structure of wide mouth end;It is two-sided
The installation of combination illuminant 3 is electrically connected between two-sided combination illuminant 3 and lamp cap 4 by conducting wire 9 to the inside of light transmission lamp housing 2;It is double
The light that first LED lamp bead 5-2 of LED light source board 5 is issued in face combination illuminant 3 is projected by shot-light front end, and LED light source mould
The light that second LED lamp bead 6-2 of group plate 6 is issued is projected from the rear end of shot-light, since light transmission lamp housing 2 is full impregnated light, so whole
A shot-light is luminous.
Certainly, the multifarious requirement of product outer profile is answered, the light-permeable shell of above-mentioned LED spotlight may be straight tube structure,
As shown in Figure 7.
Fig. 8 is the present embodiment provides a kind of 2 structure chart of light transmission lamp housing of low power LED spotlight, and wide mouth end inside is leaned on
Nearly slot end side is equipped with an annular slot 2-1, and as shown in Figure 5 and Figure 6, two-sided combination illuminant 3 is by the in LED light source board 5
One LED lamp bead 5-2 is buckled in annular slot 2-1 to be fixed in the wide mouth end of light transmission lamp housing 2 towards lens 1;
Be it is easy for installation, so that the size of the LED light source mould group plate 6 towards lamp cap 4 is slightly smaller than the size of LED light source board 5, pacify
Only the first LED lamp bead 5-2 of LED light source board 5 need to be directly buckled in the wide mouth end of light transmission lamp housing 2 towards lens 1 when dress
On annular slot 2-1, entire two-sided combination illuminant 3 can be fixed in light transmission lamp housing 2.
In addition, above-mentioned 2 material of light transmission lamp housing can be transparent plastic or transparent glass, when light transmission lamp housing 2 is transparent plastic
When, lens 1 pass through in the opening for the wide mouth end that buckle is directly installed on light transmission lamp housing 2, when light transmission lamp housing 2 is transparent glass,
Lens 1 are fixed in the opening of the wide mouth end of light transmission lamp housing 2 by bonding way.