CN207035046U - A kind of LED projector lamp - Google Patents

Abstract

The utility model discloses a kind of LED projector lamp, including lampshade, some lamp beads being fixed in lampshade, it is fixed on the protecgulum of lampshade front end, it is fixed on the bonnet of lampshade rear end, the lampshade is cylindrical housings, the lamp bead is evenly spaced in lampshade, the lampshade bottom is provided with the first thermal vias, radiating part of the rear end of the lampshade integrally formed with protrusion, the radiating part includes a heat dissipating ring, the center of circle of the heat dissipating ring and first thermal vias is coaxially disposed, the heat dissipating ring, which stretches out, is provided with some radiating fins, equidistantly uniformly arrange in the center of circle of the radiating fin along heat dissipating ring, and leave heat dissipation channel between every radiating fin, the height of the radiating fin is more than the height of the lampshade；The air strong convection that pressure difference is formed up and down caused by radiating fin heat, is more preferably dispersed into the external world so that whole better heat-radiation effect, greatly improve the life-span of LED lamp bead by the heat inside lampshade from the first thermal vias.

Description

A kind of LED projector lamp

Technical field

It the utility model is related to light fixture, more particularly to a kind of LED projector lamp.

Background technology

LED lamp is a kind of long-life, specular removal, the light source of energy-conservation, but lamp bead can produce greatly LED lamp when in use Calorimetric amount, thermal accumlation can influence the service life of lamp interior part and circuit, so the radiating of LED lamp bead is an influence The key factor of LED lamp using effect.Existing light fixture effectively can not be radiated using the convection current of air, cause lamp body and LED lamp bead temperature is assembled, and causes the LED lamp bead light decay too fast life-span partially short.

Utility model content

In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of good heat dissipation effect, and lamp bead uses the longevity Order longer LED projector lamp.

To achieve these goals, the technical solution adopted in the utility model is：

A kind of LED projector lamp, including lampshade, some lamp beads being fixed in lampshade, the protecgulum of lampshade front end is fixed on, Gu The bonnet of lampshade rear end is scheduled on, the lampshade is cylindrical housings, and the lamp bead is evenly spaced in lampshade, the lampshade bottom It is provided with the first thermal vias, integrally formed with the radiating part of protrusion, the radiating part includes a radiating for the rear end of the lampshade Ring, the center of circle of the heat dissipating ring and first thermal vias are coaxially disposed, and the heat dissipating ring, which stretches out, is provided with some dissipate Hot fin, the center of circle of the radiating fin along heat dissipating ring is equidistantly uniformly arranged, and radiating is left between every radiating fin Passage, the height of the radiating fin are more than the height of the lampshade.

As the further improvement of such scheme, a heat shield is fixed with the rear end face of the radiating fin, after described Lid is fixed on the heat shield.

As the further improvement of such scheme, the bonnet is cylinder type hollow housing, the periphery of the bonnet towards Outer extension is provided with some rear fin, is covered after described and is additionally provided with the second thermal vias.

As the further improvement of such scheme, the lampshade is molded for aluminium integrated die-casting.

As the further improvement of such scheme, the connecting seat for installation, the connection are also associated with the lampshade Seat includes the side lever for being connected to lampshade both sides, and the connecting rod being connected between side lever, is provided with the side lever and connecting rod Some mounting holes.

As the further improvement of such scheme, stretching out for the front end face of the lampshade is provided with retainer ring, described Protecgulum is fixed in the retainer ring, and the front end face of the protecgulum has been placed equidistant some preceding fin.

The beneficial effects of the utility model：

A kind of LED projector lamp of the utility model, is provided with the first thermal vias and radiating fin, radiating fin on lampshade 360 ° of cross-ventilated designs are employed, the heat of lamp bead is passed on radiating fin by way of conduction, then passes through radiating fin The air strong convection that pressure difference is formed up and down caused by piece heat, the heat inside lampshade is more preferably dissipated from the first thermal vias It is dealt into the external world so that whole better heat-radiation effect, greatly improve the life-span of LED lamp bead.

Brief description of the drawings

, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model The accompanying drawing to be used is briefly described.Obviously, described accompanying drawing is part of the embodiment of the present utility model, rather than entirely Portion's embodiment, those skilled in the art on the premise of not paying creative work, can also obtain according to these accompanying drawings Other designs and accompanying drawing：

Fig. 1 is the utility model preferred embodiment structural representation；

Fig. 2 is the utility model preferred embodiment decomposing schematic representation；

Fig. 3 is the structural representation of the utility model preferred embodiment lampshade；

Fig. 4 is the structural representation of the utility model preferred embodiment bonnet.

Embodiment

Design, concrete structure and caused technique effect of the present utility model are carried out below with reference to embodiment and accompanying drawing Clearly and completely describe, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment It is part of the embodiment of the present utility model, rather than whole embodiments, based on embodiment of the present utility model, the skill of this area The other embodiment that art personnel are obtained on the premise of not paying creative work, belong to the model of the utility model protection Enclose.

Referring to figs. 1 to Fig. 4, a kind of LED projector lamp, including lampshade 1, some lamp beads being fixed in lampshade 1, it is fixed on lamp The protecgulum 2 of 1 front end is covered, is fixed on the bonnet 3 of the rear end of lampshade 1, the lampshade 1 is the circular cylindrical shell of aluminium integrated die-casting shaping Body, aluminium heat conduction and heat radiation excellent performance, is integrally formed and has prevented gap, ensure that heat-conducting effect.

The lamp bead is evenly spaced in lampshade 1, and the bottom of lampshade 1 is provided with the first thermal vias 4, the lampshade 1 Rear end integrally formed with the radiating part of protrusion, the radiating part includes a heat dissipating ring 5, and the heat dissipating ring 5 dissipates with described first The center of circle of heat through-hole 4 is coaxially disposed, and the heat dissipating ring 5, which stretches out, is provided with some radiating fins 6, the edge of radiating fin 6 The center of circle of heat dissipating ring 5 is equidistantly uniformly arranged, and heat dissipation channel is left between every radiating fin 6, the radiating fin 6 Highly it is more than the height of the lampshade 1.

The first thermal vias 4 and radiating fin 6 set on lampshade 1 forms 360 ° of cross-ventilated designs, lamp bead Heat passed to by way of conduction on radiating fin 6, then pass through caused by the heat of radiating fin 6 up and down pressure difference formed Air strong convection, the heat inside lampshade 1 is more preferably dispersed into the external world from the first thermal vias 4 so that whole radiating effect More preferably, the life-span of LED lamp bead is greatly improved.

A heat shield 7 is fixed with the rear end face of the radiating fin 6, the bonnet 3 is fixed on the heat shield 7 The heat transfer and heat radiation that heat shield 7 has completely cut off between bonnet 3 and lampshade 1, avoid being arranged on the power supply module in bonnet and receive Influence, substantially increase the service life of LED.

The bonnet 3 is cylinder type hollow housing, and the periphery of the bonnet 3, which extends outwardly, is provided with some rear fin 8, the second thermal vias 9 is additionally provided with the bonnet 3, and hollow design causes cross-ventilation effect more preferably, rear fin 8 and Two thermal vias 9 can improve heat dispersion.

The connecting seat 10 for installation is also associated with the lampshade 1, the connecting seat 10 includes being connected to the both sides of lampshade 1 Side lever 101, and the connecting rod 102 being connected between side lever 101, be provided with some peaces on the side lever 101 and connecting rod 102 Fill hole 103.Connecting seat 10 is be hinged with lampshade 1 by the side lever 101 of both sides, can turn to different angle, be adapted to different places Different occasions are fixed, and expand the scope of application.

Stretching out for the front end face of the lampshade 1 is provided with retainer ring 11, and the protecgulum 2 is fixed on the retainer ring 11 On, the front end face of the protecgulum 2 has been placed equidistant some preceding fin 12, and preceding fin 12 can also increase the contact surface with air Product, improve radiating effect.

Above is preferred embodiment of the present utility model is illustrated, but the utility model is created and is not limited to The embodiment, those skilled in the art can also make a variety of etc. on the premise of without prejudice to the utility model spirit With modification or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.

Claims (6)

1. a kind of LED projector lamp, including lampshade (1), some lamp beads being fixed in lampshade (1), it is fixed on lampshade (1) front end Protecgulum (2), it is fixed on the bonnet (3) of lampshade (1) rear end, it is characterised in that：The lampshade (1) is cylindrical housings, the lamp Pearl is evenly spaced in lampshade (1), and lampshade (1) bottom is provided with the first thermal vias (4), the rear end of the lampshade (1) Integrally formed with the radiating part of protrusion, the radiating part includes a heat dissipating ring (5), the heat dissipating ring (5) and the described first radiating The center of circle of through hole (4) is coaxially disposed, and the heat dissipating ring (5), which stretches out, is provided with some radiating fins (6), the radiating fin (6) equidistantly uniformly arranged along the center of circle of heat dissipating ring (5), and heat dissipation channel is left between every radiating fin (6), it is described to dissipate The height of hot fin (6) is more than the height of the lampshade (1).

2. LED projector lamp according to claim 1, it is characterised in that：It is fixed with the rear end face of the radiating fin (6) One heat shield (7), the bonnet (3) are fixed on the heat shield (7).

3. LED projector lamp according to claim 1, it is characterised in that：The bonnet (3) is cylinder type hollow housing, institute State bonnet (3) periphery extend outwardly be provided with it is some after fin (8), be additionally provided with the second radiating on the bonnet (3) Through hole (9).

4. LED projector lamp according to claim 1, it is characterised in that：The lampshade (1) is molded for aluminium integrated die-casting.

5. LED projector lamp according to claim 1, it is characterised in that：It is also associated with the lampshade (1) for installation Connecting seat (10), the connecting seat (10) includes being connected to the side lever (101) of lampshade (1) both sides, and is connected to side lever (101) Between connecting rod (102), be provided with some mounting holes (103) on the side lever (101) and connecting rod (102).

6. LED projector lamp according to claim 1, it is characterised in that：The stretching out for front end face of the lampshade (1) is set Retainer ring (11) is equipped with, the protecgulum (2) is fixed in the retainer ring (11), and the front end face of the protecgulum (2) is placed equidistant There are some preceding fin (12).