CN202177004U

CN202177004U - Squared ceiling lamp

Info

Publication number: CN202177004U
Application number: CN2011202597396U
Authority: CN
Inventors: 杨军; 黄九太; 宋带林
Original assignee: SHENZHEN OPHIR LIGHTING CO Ltd
Current assignee: SHENZHEN OPHIR LIGHTING CO Ltd
Priority date: 2011-07-21
Filing date: 2011-07-21
Publication date: 2012-03-28
Anticipated expiration: 2021-07-21

Abstract

The utility model provides a squared ceiling lamp. The squared ceiling lamp is provided with a light diffusion plate, an LED (Light-emitting Diode) light source module, a light reflection cover, a radiator, a bracket and a power supply from bottom to top, wherein the LED light source module comprises an LED lamp body and an aluminum-based plate; the power supply is fixedly arranged on the bracket and the radiator is integrally molded by extruding; the radiator comprises a squared radiation plate and a plurality of radiation fins which are fixed on the squared radiation plate and are arrayed in parallel. With the adoption of the squared ceiling lamp, hot and cold air can be exchanged so that the air flows smoothly and the heat energy of the LED light source module can be diffused; the squared ceiling lamp has the advantages of good radiation effect, small and simple structure and strong flexibility; on the other hand, the radiator is integrally molded by utilizing an integral extrusion model so that the production efficiency is improved. As the squared ceiling lamp can be serially produced, the squared ceiling lamp can be suitable for any lamp body with different lengths by only cutting an adaptive length; by adopting a surface light source, the squared ceiling lamp can uniformly emit lights and does not have double images; the reflection plate is electroplated by adopting ABL (Auto Brightness Limit) to increase the light reflection effect; meanwhile, a lens is an acrylic sheet so that the reflection effect is increased and the lighting effect is increased by 20%.

Description

Square Ceiling light

Technical field

The utility model relates to lighting technical field, relates to the LED light fixture, especially a kind of square Ceiling light.

Background technology

LED (LightingEmittingDiode) is a light emitting diode; It is a kind of solid-state semiconductor devices; He utilizes the solid semiconductor chip as luminescent material; Through carrier compound energy of emitting surplus taking place and cause photo emissions, directly sends red, yellow, blue, green, blue or green, orange, purple, white light in semiconductor.The LED lamp utilizes LED as the produced lighting of light source exactly.

Advantages such as it has that volume is little, power consumption is low, long service life, photochromic pure, high brightness, low in calories and environmental protection low-carbon (LC) are the 21 century novel green light sources of generally acknowledging in the world.Traditional LED is mainly used in the range light on traffic signal demonstration field, auto industry (backlight, reading lamp and outside brake lamp, taillight, side lamp and the head lamp etc. that comprise automotive interior instrument board, sound equipment indicator lamp, switch), building aviation obstruction beacon, airport etc.; Nowadays should be also more and more widely in building indoor and outdoor, urban beautification, Landscape Lighting; Also be applied in widely on the Ceiling light, certainly be lamp affixed to the ceiling also or embedded Ceiling light.

The large-power light-emitting diodes just chip of LED own can produce very big heat when work, if these heats distribute untimelyly, can produce very big influence to its performance and life-span.

The utility model patent of publication number such as CN 201803252u " a kind of LED Ceiling light ", this patent discloses a kind of LED Ceiling light.The LED Ceiling light comprises drain pan and cover, and the back side of drain pan is provided with support and driving power, is provided with Lamp cup between drain pan and the cover, is provided with substrate in the described Lamp cup, and substrate is provided with several LED, and LED is electrically connected with driving power, and the cover middle part is provided with light-passing board.

This Ceiling light is normally by the plastic casing parcel, and is bigger to the heat radiation influence, and the heat that is sent during the LED illumination looses and do not go out, and well-known, the radiating effect of LED lamp is bad will to have a strong impact on its service life and product effect.Mostly existing in addition Ceiling light is that spot light constitutes, and its light that sends is soft inadequately evenly, and is more dazzling; Ghost image is arranged, can not satisfy the requirement that people's illumination improves day by day, on the other hand; The refraction effect that covers of before giving out light is not very desirable, shines into the light efficiency radiation response bad.

Afterwards, people are employed in heat sink are installed on the Ceiling light, between heat sink generally be to open different moulds according to the different needs of length, to produce and the economic benefit influence bigger.

The utility model content

The purpose of the utility model is to provide a kind of good heat dissipation effect, the life-span is long, simple in structure, lighting effect is good, production efficiency is high square Ceiling light.

For solving the problems of the technologies described above; A kind of square Ceiling light of the utility model; Bottom-up being provided with successively expanded tabula rasa, led light source module, reflection shield, radiator, support and power supply, and the led light source module comprises LED lamp body and aluminium base, and power supply is fixed on the support; The extrusion modling of radiator one, radiator comprise the radiating fin of square heat sink and a plurality of arrangements arranged side by side fixed thereon.

Radiator is pushed and is fixed on the led light source module, and the heat that the LED lamp body sends conducts to aluminium base, reaches radiator afterwards again, and radiating fin has increased the area of heat radiation on the square heat sink; After the radiating fin heating, the air themperature that contact with its surface increases, owing to density contrast, along the space that vertical bank is arranged to rising; Flow out from the upper surface of circular cylindrical shell, the air-flow that hot-air looses and overflows and cause, the outer air of Ceiling light is drawn into to be filled up, and causes air to add strong convection; Hot cold air exchange ventilates smoothly, can in time the evolution of heat of led light source module institute be distributed good heat dissipation effect; Structure is small and exquisite simple, and flexibility is strong, on the other hand; Radiator adopts the one squeeze mode, and is one-body molded, improved production efficiency; Because can producing in serial form, only need the suitable length of intercepting, promptly applicable to any lamp body of different length.

For further strengthening heat radiation, the utility model improves to be had, and the surface of said radiating fin is a waveform.

For adding the effect of high light, the utility model improves to be had, and said reflection shield is that the reflector that is positioned at the four sides surrounds, and is the truncated rectangular pyramids type, and the big mouth of reflection shield is towards expanding tabula rasa, and led light source is arranged on the small end of reflection shield.

For making the light that sends more evenly soft, the utility model improves to be had, and the inner surface of said reflection shield is adopted and is plating face.

Be better printing opacity, the utility model improves to be had, and said expansion tabula rasa is PMMA panel or PC panel.

For adapting to the Ceiling light that embeds furred ceiling, the utility model improves to be had, and said square heat sink is provided with fixed support, and spring body is housed on the fixed support.

Description of drawings

Accompanying drawing 1 is the structural representation of the embedded Ceiling light of the utility model.

Label declaration: 1-expands tabula rasa 2-LED light source module 21-LED lamp body 22-aluminium base; The square heat sink 42-of 3-reflection shield 4-radiator 41-radiating fin 5-support 6-power supply 7-fixed support 8-spring body

The specific embodiment

By the technology contents, the structural feature that specify the utility model, realized purpose and effect, know clearly below in conjunction with embodiment and conjunction with figs. and give explanation.

See also Fig. 1; The utility model provides a kind of square Ceiling light; Bottom-up being provided with successively expanded tabula rasa 1, led light source module 2, reflection shield 3, radiator 4, support 5 and power supply 6, and led light source module 2 comprises LED lamp body 21 and aluminium base 22, and power supply 6 is fixed on the support 5; Radiator 4 one extrusion modlings, radiator 4 comprise the radiating fin 42 of square heat sink 41 and a plurality of arrangements arranged side by side fixed thereon.

The two ends of support 5 are provided with porose, and correspondence is provided with screwed hole on the radiator 4, and hole and the screwed hole on the radiator 4 that screw passes on the support 5 are fixed on the radiator 4 support 5, and power supply 6 also is fixed on the support 5 and with the external world and is electrically connected.

Radiator 4 is pushed and is fixed on the led light source module 2, and the heat that LED lamp body 21 sends conducts to aluminium base 22, reaches radiator 4 afterwards again, and the radiating fin 42 on the square heat sink 41 has increased the area of heat radiation; After radiating fin 42 heating, the air themperature that contact with its surface increases, owing to density contrast, along the space that vertical bank is arranged to rising; Flow out from the upper surface of square Ceiling light, the air-flow that hot-air looses and overflows and cause, the outer air of Ceiling light is drawn into to be filled up, and causes air to add strong convection; Hot cold air exchange ventilates smoothly, can in time 2 evolutions of heat of led light source module be distributed good heat dissipation effect; Structure is small and exquisite simple, and flexibility is strong, on the other hand; Radiator 4 adopts the one squeeze mode, and is one-body molded, improved production efficiency; Because can producing in serial form, as long as the suitable length of intercepting, promptly applicable to any lamp body of different length; Have better heat radiation, its life-span is promoted greatly, and better the making of heat radiation can be used higher, the better LED lamp of power.

Among another embodiment of the utility model, the surface of said radiating fin 42 is a waveform.

The radiating fin 42 that is set up in parallel when heating, just is in the air in slit between two radiating fins 42; Generally can only be heated to the air that contacts with radiating fin 42 surfaces during heating, the air heat effect that mediates is unfavorable, adopts corrugated radiating fin 42; Corrugated crest can be heated to the inside of slit air; Make air obtain uniform heating, strengthen the hot cold air exchange of air, make the circulation of air accelerate; Timely heat is distributed, obtained beyond thought technique effect.

For adding the effect of high light, among another embodiment of the utility model, said reflection shield 3 is the truncated rectangular pyramids type for the reflector that is positioned at the four sides surrounds, and the big mouth of reflection shield 3 is towards expanding tabula rasa 1, and led light source module 2 is arranged on the small end of reflection shield 3.

Wherein, the original LED lamp body that is provided with 21 makes area source into by spot light, and the light that sends is softer evenly not to have ghost phenomena, and result of use is desirable more, has satisfied the requirement that people's illumination improves day by day, and the cover of giving out light further increases reflective effect.

Among another embodiment of the utility model, the inner surface of said reflection shield 3 is adopted and is plating face.

Plating face adopts ABL to electroplate, and has increased reflective effect, and in like manner inner surface can be that pearl point with anti-dazzle and scattering constitutes or a surface pickling or atomizing or ultrawhite processing are processed; It further also can be frosting; Reflection shield 3 its surface design have angled various pearl points, and pearl point has good dispersion effect, and the light that large-power light-emitting diodes led light source module 2 sends is through reflection shield 3 refraction scatterings; Shine required place; Whole light is soft, and brightness is moderate, and light efficiency is good.

Among another embodiment of the utility model, said expansion tabula rasa 1 is PMMA panel or PC panel.

PMMA also is acrylic or polymethyl methacrylate, and the PMMA panel is a lucite, and chemical name is the polymethyl methyl esters, and light transmission is further strengthened refraction effect up to 93%, and light efficiency has increased by 20%.

During another of the utility model implemented, said square heat sink 41 was provided with fixed support 7, and spring body 8 is housed on the fixed support 7.

Fixed support 7 is fixed on the square heat sink 41; Spring body 8 comprises turn and elastic arm, and what spring body 8 was stretched out towards the lower surface is arranged on the fixed support 7, when square Ceiling light will embed furred ceiling; Spring part 8 struts fixing, and square Ceiling light steadily is fixed on the ceiling.

The above is merely the embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.

Claims

1. square Ceiling light; It is characterized in that; Bottom-up being provided with successively expanded tabula rasa, led light source module, reflection shield, radiator, support and power supply, and the led light source module comprises LED lamp body and aluminium base, and power supply is fixed on the support; The extrusion modling of radiator one, radiator comprise the radiating fin of square heat sink and a plurality of arrangements arranged side by side fixed thereon.

2. square Ceiling light according to claim 1 is characterized in that, the surface of said radiating fin is a waveform.

3. square Ceiling light according to claim 1 is characterized in that, said reflection shield is that the reflector that is positioned at the four sides surrounds, and is the truncated rectangular pyramids type, and the big mouth of reflection shield is towards expanding tabula rasa, and the led light source template is arranged on the small end of reflection shield.

4. according to any described square Ceiling light of claim 1 to 3, it is characterized in that the inner surface of said reflection shield is adopted and is plating face.

5. according to any described square Ceiling light of claim 1 to 3, it is characterized in that said expansion tabula rasa is PMMA panel or PC panel.

6. square Ceiling light according to claim 1 is characterized in that, said square heat sink is provided with fixed support, and spring body is housed on the fixed support.