CN103383072A

CN103383072A - LED low-voltage lamp bulb

Info

Publication number: CN103383072A
Application number: CN2012102440223A
Authority: CN
Inventors: 袁明
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-05-06
Filing date: 2012-07-06
Publication date: 2013-11-06
Also published as: CN203147317U

Abstract

The invention discloses an LED low-voltage lamp bulb. The LED low-voltage lamp bulb comprises a lamp holder (1) and a lamp body (2), wherein an LED lighting slab (3) is mounted at the upper part of the lamp body (2) in a position close to the lamp holder (1); a DC constant-voltage power supply appliance (6) is arranged between the LED lighting slab (3) and the lamp holder (1); the incoming line of the DC constant-voltage power supply appliance (6) is connected with the lamp holder (1); the outgoing line of the DC constant-voltage power supply appliance (6) is connected with the LED lighting slab (3); when the LED low-voltage lamp bulb works, the lamp holder (1) is connected to a low DC safe voltage of 6 V, 12V, 24 V or 36 V; a concave lens (4) is fixed on the lamp body (2) in a position below the LED lighting slab (3); a spherical crown-shaped frosted lamp shade (5) is fixedly mounted on the lamp body (2) in a position below the concave lens (4); the area of each radiating window in the lamp body (2) is equal to or larger than that of the part, closed by the lamp body (2), of each support bar (8). As the back of the LED low-voltage lamp bulb provided by the invention is in dark color, heat radiation is enhanced; an aluminum radiator is eliminated, which lowers the cost. The LED low-voltage lamp bulb adopts a low safe voltage for power supply, has a good illuminating effect, and is low in manufacturing cost, and easy to popularize.

Description

A kind of LED low voltage bulb

Technical field

The invention of this reality relates to a kind of LED low voltage bulb.

Background technology

Although existing LED lighting bulb has the advantage of high-efficient energy-saving environment friendly longevity in the market, but be all that civil power alternating current 220V (some country is 110 volts) directly taps into lamp holder, change to luminous plaque through the constant current-supplying device and power, safety standard determines that lamp body thermal window Hen is little, weak effect have to use aluminium radiator, but cost is high, the illuminating effect that causes of the optical characteristics of the narrow angle of LED emission of light height boundling is not good in addition, thereby has increased the difficulty that the LED illumination is promoted.

Summary of the invention

The purpose of this invention is to provide a kind of use low-voltage direct safe voltage power supply, illuminating effect is better, and production cost is low, is beneficial to the LED low voltage bulb of popularization.

For achieving the above object, LED low voltage bulb of the present invention includes lamp holder and lamp body, and the LED luminous plaque is arranged on the position of the close lamp holder in lamp body top, and direct current constant current-supplying device is placed between LED luminous plaque and lamp holder, its inlet wire is connected with lamp holder, and outlet connects with the LED luminous plaque.During described LED low voltage bulb work, lamp holder connects 6V or 12V or 24V or 36V low-voltage direct safe voltage.

Described LED low voltage bulb is equipped with a circle below the LED luminous plaque concavees lens play divergent rays, coordinate concavees lens to select as required the concavees lens of suitable Qu Guangdu to the distance of LED luminous plaque, make the maximum deviation of divergent rays in the scope at concavees lens normal 45° angle～85 ° of angles.

On described LED low voltage bulb lamp body, the above and below of LED luminous plaque is distributed with thermal window, and the area of thermal window is equal to or greater than the area of the enclosure portion that contains support bar.

Described LED low voltage bulb, dark color is made at the back side of LED luminous plaque.

Described LED low voltage bulb is having a spherical frosted lampshade to be arranged on lamp body below concavees lens.

because LED luminous plaque below on the lamp body of LED low voltage bulb of the present invention is equipped with adaptive concavees lens, boundling light for LED lamp height narrow angle is similar to parallel rays, concavees lens can be effectively disperse around concentrated light alignment normal with the LED lamp and the maximum deviation of divergent rays in the scope at concavees lens normal 45° angle～85 ° of angles, add that the spherical frosted lampshade of installing on the lamp body of concavees lens belows makes light more even through diffuse scattering, good illumination effect, during on the other hand due to LED low voltage bulb work of the present invention, lamp holder connects 6V or 12V or 24V or 36V low-voltage direct safe voltage, so on lamp body, the area of thermal window allows to be equal to or greater than the area of enclosure portion, the above and below of LED luminous plaque is distributed with thermal window in addition, radiating condition is greatly improved, dark color is made at the back side that adds the LED luminous plaque of LED low voltage bulb of the present invention, greatly strengthened the luminous plaque heat radiation, thereby can save aluminium radiator fully greatly reduces production cost, so just realized the power supply of use low-voltage direct safe voltage, good illumination effect, the low purpose that is beneficial to popularization of production cost.

Description of drawings

Below in conjunction with drawings and Examples, LED low voltage bulb of the present invention is further described.

Fig. 1 is the front view of LED low voltage bulb of the present invention

Fig. 2 is the middle cutaway view of LED low voltage bulb of the present invention

1, lamp holder 2, lamp body 3, LED luminous plaque 4, concavees lens 5, frosted lampshade 6, direct current constant current-supplying device 7, thermal window 8, lamp body support bar

The specific embodiment

as shown in the figure, lamp holder 1 is integrated with lamp body 2 secure bond, the back side of round LED luminous plaque 3 is black, be fixedly mounted on lamp body 2 tops, the circular concavees lens 4 of apolegamy are fixed on the below that is in LED luminous plaque 3 on lamp body 2, concavees lens 4 are selected the plano-concave mirror, spherical frosted lampshade 5 is fixedly mounted on the below that is in concavees lens 4 on lamp body 2, the inlet wire of direct current constant current-supplying device 6 connects lamp holder 1, the outlet of constant current-supplying device 6 connects LED luminous plaque 3, on lamp body, the above and below of LED luminous plaque 3 is distributed with thermal window 7, the area of thermal window 7 contains the area of the enclosure portion of support bar 8 greater than lamp body.

Claims

1. LED low voltage bulb of the present invention includes lamp holder (1) and lamp body (2), LED luminous plaque (3) is arranged on the position of the close lamp holder (1) in lamp body top, direct current constant current-supplying device (6) is placed between LED luminous plaque (3) and lamp holder (1), its inlet wire is connected with lamp holder (1), and outlet connects with LED luminous plaque (3).It is characterized in that: during the work of LED low voltage bulb, lamp holder connects 6V or 12V or 24V or 36V low-voltage direct safe voltage.

2. LED low voltage bulb claimed in claim 1 is characterized in that: the LED low voltage bulb is equipped with a circle in the below of LED luminous plaque (3) concavees lens (4) play divergent rays, coordinate concavees lens (4) to select as required the concavees lens (4) of suitable Qu Guangdu to the distance of LED luminous plaque (3), make the maximum deviation of divergent rays in the scope at concavees lens (4) normal 45° angle～85 ° of angles.

3. LED low voltage bulb claimed in claim 1 is characterized in that: the above and below of the upper LED luminous plaque (3) of LED low voltage bulb lamp body (2) is distributed with thermal window (7), and the area of thermal window (7) is equal to or greater than the area of the enclosure portion that contains support bar (8).

4. LED lighting bulb claimed in claim 1 is characterized in that: dark color is made at the back side of LED luminous plaque (3).

5. LED low voltage bulb claimed in claim 1 is characterized in that: have a spherical frosted lampshade (5) to be arranged on lamp body in the below of concavees lens (4).