CN205480306U - High -power LED ball bulb - Google Patents

Abstract

The utility model discloses a high -power LED ball bulb, main content is: the casing top is equipped with two through wires holes, the through wires hole is the counter bore structure, the lamp base is installed in the through wires hole of casing, the casing be close to the top for being equipped with the screw thread on the face of cylinder, it has the window to open on the casing, fixed mounting is in the casing for the drive circuit module, the radiating block is installed in the casing, the radiating block bottom is equipped with the annular groove, the casing is near being equipped with the annular groove on the inner wall of bottom surface, rand outside card is in the annular groove of casing, in the annular groove of inboard card on the radiating block of rand, ceramic substrate installs on the bottom surface of radiating block and ceramic substrate overlaps on the middle cylinder of lamp shade, annular LED lamp buckle is on ceramic substrate's bottom surface, the lamp shade buckle is outside the casing in the annular groove on the cylinder.

Description

A kind of great power LED ball bulb

Technical field

This utility model relates to LED lamp technical field, specifically, particularly to a kind of great power LED Ball bulb.

Background technology

The constant current-supplying mode of the commonly used low-voltage, high-current of traditional LED illumination light source works, and exists a lot Drawback.Particularly drive circuit is complicated, and power volume is relatively big, and high-frequency electromagnetic disturbs, and needs by electric main It is converted into low-voltage direct constant current.It is easy that circuit have employed high voltage bearing electrochemical capacitor and ferrite transformer etc. in a large number Damage device.Even preferably driving power supply, its life-span be also unable to reach LED chip 50000h～ 100000h, only 20000h are even as low as thousand of hours.In this context, high-voltage LED has been promoted Light source (HVLED) occurs, it only needs simple drive circuit, just can reach the light of even more than low-voltage LED Effect.Under the conditions of low cost, switch constant-current driving power supply cost and the low-voltage, high-current work of complexity to be reduced Time hot bottleneck, ask always and without solve.

Utility model content

Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, it is provided that one Kind great power LED ball bulb, its simple in construction, good heat dissipation effect, energy-conservation, high pressure resistant, it is particularly suited for Large-power occasions.

This utility model solves its technical problem and be the technical scheme is that a kind of great power LED ball bulb, Including lampshade, radiating block, housing, lamp base, drive circuit module, collar, annular LED lamp and ceramic base Plate；Described housing tip is provided with two through wires holes, and through wires hole is counter bore structure, and described lamp base is arranged on housing Through wires hole in, described housing is provided with screw thread near top for the face of cylinder, and described housing has window, Described drive circuit module is fixedly mounted in housing, and described radiating block is arranged in housing, radiating block bottom Being provided with annular groove, the described housing inwall near bottom surface is provided with annular groove, is stuck in outside described collar In the annular groove of housing, the inner side of collar is stuck in the annular groove on radiating block, and described ceramic substrate is pacified It is contained on the bottom surface of radiating block and ceramic substrate is enclosed within the intermediate cylindrical of lampshade, described annular LED lamp buckle On the bottom surface of ceramic substrate, described lampshade is buckled in the annular groove in housing outside cylinder.

As preferably, described drive circuit module by rectification circuit, sample circuit, ON-OFF control circuit, open Close circuit and current control circuit composition, civil power is connected with rectification circuit, described rectification circuit respectively with sampling Circuit and annular LED lamp connect, and described sample circuit is connected with ON-OFF control circuit, described on-off control electricity Road is connected with on-off circuit, and described on-off circuit and current control circuit are all connected with annular LED lamp.

As preferably, described radiating block uses aluminum alloy materials, and radiating block uses wing shape structure.

This utility model compared with prior art has the advantage that have simple in construction, and LED ball bulb is dispelled the heat Upper employing Natural Heat Convection form, this heat-removal modalities need not extra power, good energy-conserving effect, annular LED is arranged on ceramic substrate, further enhancing the heat-sinking capability of LED, is particularly suited for powerful Occasion；Annular LED lamp uses ceramic ring as substrate, it is ensured that the voltage endurance capability of high-voltage LED lamp；To drive Dynamic circuit module is placed in lamp holder, saves integrated circuit and takes up room, adds heat-dissipating space.

Accompanying drawing explanation

Fig. 1 is the structural representation of a kind of detailed description of the invention of the present utility model；

Fig. 2 is the structural representation of this utility model radiating block；

Fig. 3 is the electrical block diagram of this utility model drive circuit module.

Description of reference numerals:

1-lampshade, 2-radiating block, 3-housing, 4-lamp base, 5-drive circuit module, 6-collar, 7-annular LED, 8-ceramic substrate, 9-civil power；

31-through wires hole, 51-rectification circuit, 52-sample circuit, 53-ON-OFF control circuit, 54-on-off circuit, 55-current control circuit.

Detailed description of the invention

Below in conjunction with the accompanying drawings and embodiment describes this utility model detailed description of the invention:

Embodiment, as shown in accompanying drawing 1, Fig. 2 and Fig. 3, it illustrates one of the present utility model and is embodied as Mode, a kind of great power LED ball bulb, including lampshade 1, radiating block 2, housing 3, lamp base 4, drive Circuit module 5, collar 6, annular LED lamp 7 and ceramic substrate 8；Described housing 3 top is provided with two and wears String holes 31, through wires hole 31 is counter bore structure, and described lamp base 4 is arranged in the through wires hole 31 of housing 3, institute State housing 3 and be provided with screw thread near top for the face of cylinder, described housing 3 has window, described driving Circuit module 5 is fixedly mounted in housing 3, and described radiating block 2 is arranged in housing 3, radiating block 2 end End is provided with annular groove, and the described housing 3 inwall near bottom surface is provided with annular groove, outside described collar 6 Side is stuck in the annular groove of housing 3, and the inner side of collar 6 is stuck in the annular groove on radiating block 2, institute State ceramic substrate 8 to be arranged on the bottom surface of radiating block 2 and ceramic substrate 8 is enclosed within the intermediate cylindrical of lampshade 1, Described annular LED lamp 7 is buckled on the bottom surface of ceramic substrate 8, and described lampshade 1 is buckled in housing 3 cylindrical In annular groove on post.

Preferably, described drive circuit module 5 is by rectification circuit 51, sample circuit 52, ON-OFF control circuit 53, on-off circuit 54 and current control circuit 55 form, and civil power 9 is connected with rectification circuit 51, described whole Current circuit 51 is connected with sample circuit 52 and annular LED lamp 7 respectively, described sample circuit 52 and switch control Circuit 53 processed connects, and described ON-OFF control circuit 53 is connected with on-off circuit 54, described on-off circuit 54 All it is connected with annular LED lamp 7 with current control circuit 55.

Preferably, described radiating block 2 uses aluminum alloy materials, radiating block 2 to use wing shape structure.

Above in conjunction with accompanying drawing, this utility model preferred implementation is explained in detail, but this utility model It is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art are possessed, it is also possible to Make a variety of changes without departing from the premise of this utility model objective.

Many other can be made without departing from spirit and scope of the present utility model to change and remodeling.Should be appreciated that This utility model is not limited to specific embodiment, and scope of the present utility model is defined by the following claims.

Claims (3)

1. a great power LED ball bulb, it is characterised in that: include lampshade, radiating block, housing, lamp Foot, drive circuit module, collar, annular LED lamp and ceramic substrate；Described housing tip is provided with two Through wires hole, through wires hole is counter bore structure, and described lamp base is arranged in the through wires hole of housing, and described housing leans on Nearly top be provided with screw thread for the face of cylinder, described housing has window, described drive circuit module is solid Dingan County is contained in housing, and described radiating block is arranged in housing, and radiating block bottom is provided with annular groove, institute State the housing inwall near bottom surface and be provided with annular groove, outside described collar, be stuck in the annular groove of housing In, the inner side of collar is stuck in the annular groove on radiating block, and described ceramic substrate is arranged on radiating block On bottom surface and ceramic substrate is enclosed within the intermediate cylindrical of lampshade, described annular LED lamp is buckled in ceramic substrate Bottom surface on, described lampshade is buckled in the annular groove in housing outside cylinder.

2. a kind of great power LED ball bulb as claimed in claim 1, it is characterised in that: described driving Circuit module is by rectification circuit, sample circuit, ON-OFF control circuit, on-off circuit and current control circuit Composition, civil power is connected with rectification circuit, and described rectification circuit connects with sample circuit and annular LED lamp respectively Connecing, described sample circuit is connected with ON-OFF control circuit, and described ON-OFF control circuit is connected with on-off circuit, Described on-off circuit and current control circuit are all connected with annular LED lamp.

3. a kind of great power LED ball bulb as claimed in claim 1, it is characterised in that: described heat radiation Block uses aluminum alloy materials, and radiating block uses wing shape structure.