CN202442224U

CN202442224U - LED (light-emitting diode) ceiling lamp

Info

Publication number: CN202442224U
Application number: CN2012200387010U
Authority: CN
Inventors: 尹礼军; 王义林; 宋永明
Original assignee: QINGHAI XIFU BAIHONG PHOTOELECTRIC CO Ltd
Current assignee: QINGHAI XIFU BAIHONG PHOTOELECTRIC CO Ltd
Priority date: 2012-02-06
Filing date: 2012-02-06
Publication date: 2012-09-19
Anticipated expiration: 2022-02-06

Abstract

The utility model relates to an LED (light-emitting diode) ceiling lamp, which comprises a printed circuit board (PCB), an LED light source electrically connected to the PCB, and a light-transmitting hood covers the LED light source, and the LED ceiling lamp is characterized in that the PCB is fixed on a radiation shell capable of being installed on a ceiling directly, the radiation shell is pressed and molded into a whole through a spinning technology by aluminum profile, the radiation shell is provided with a screw hole, the PCB is also fixedly provided with a power supply, and the radiation shell is in dismountable connection with the light-transmitting hood. Compared with the prior art, the LED ceiling lamp has the advantages that the PCB is fixed on the radiation shell capable of being installed on the ceiling directly, and simultaneously the PCB is fixedly provided with the power supply, so that the LED ceiling lamp provided by the utility model has good radiation performance, and the power supply can be arranged inside. Furthermore, an optical level polymethyl methacrylate (PMMA) lamp cover is arranged outside the LED light source, thus effectively preventing discomfort of eyes of people caused by dazzle light.

Description

A kind of LED lamp affixed to the ceiling

Technical field

The utility model relates to a kind of light fixture, particularly relates to a kind of LED lamp affixed to the ceiling.

Background technology

Under the background that the worry of current global energy shortage raises once again, energy savings is the important problem that we shall face future, and at lighting field, the application of LED illuminating product is just attracting common people's sight; LED must be a developing tendency in future as a kind of novel green light source product, and it is the novel illumination light source epoch of representative that 21st century will get into LED, compares with the traditional lighting light fixture; The bright fitted tube lamp of LED has good heat dissipation, and the life-span is long, and light efficiency is high, and caloric value is low; Have more ornamentally, do not have thermal radiation basically, power consumption is little, no stroboscopic; Be not easy visual fatigue, can low-voltage, the low current starting, long service life, the working time can reach more than 10,000 hours; Reaction speed is fast, and environmental protection, and is shatter-proof, shock-resistant difficult broken, recyclable as discarded object, do not pollute.A good LED illuminating product must have a LED constant-current driving power supply that reliability is high, good radiator structure, environment for use, the lampshade that light transmittance is higher and anti-dazzle processing widely.

Lamp affixed to the ceiling shell mechanism moulding in the past is simple, and the radiator heat-dissipation effect is general especially, the most important thing is to select embedded installation, can not expose on ceiling putting in order lamp suspension, and whole lamp light-emitting area dazzles light in addition and produce, and power supply can't be built-in.Therefore in practical application, how to remove to avoid to dazzle the problem of light and the luminous flux of the least possible loss light source, on the ceiling of exposed installation, improve the radiating effect of whole lamp, strengthening whole lamp service life is the problem that this patent mainly solves.

The utility model content

The utility model technical problem to be solved is to above-mentioned prior art a kind of excellent heat dispersion performance that has to be provided, and the LED lamp affixed to the ceiling that power supply can be built-in.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: this LED lamp affixed to the ceiling; Comprise the PCB circuit board; Be connected electrically in the led light source on the PCB circuit board, be located at the outer diffuser of led light source, it is characterized in that: said PCB circuit board is fixed on one and can be directly installed on the heat-dissipating casing of ceiling; It is integral piece through rotary pressure technology compression moulding that this heat-dissipating casing adopts aluminium section bar; And heat-dissipating casing is provided with screw hole, and also is fixed with power supply on the said PCB circuit board, and said heat-dissipating casing is connected with said diffuser is dismantled and assembled.

As improvement, said PCB circuit board and heat-dissipating casing all are to be fixed on the ceiling that needs to install through tapping screw and swell fixture.

Improve, said heat-dissipating casing surface scribbles layer of paint again, and mechanical strength and heat radiation advantage are more obvious like this.

Improve, said diffuser is an optical grade PMMA lampshade, is preferably milky again.Optical grade PMMA lampshade, light transmittance is higher, and milky has reduced and dazzles the uncomfortable degree of light to human eye.

Compared with prior art; The advantage of the utility model is: can be directly installed on the heat-dissipating casing of ceiling through the PCB circuit board being fixed on one; Simultaneously on the PCB circuit board, be fixed with power supply; The LED lamp affixed to the ceiling that makes the utility model provide has good performance of heat dissipation, and power supply can be built-in.In addition, optical grade PMMA lampshade is set outside led light source, can have effectively prevented to dazzle the uncomfortable degree that light causes human eye.

Description of drawings

Fig. 1 is the perspective view one of LED lamp affixed to the ceiling among the utility model embodiment;

Fig. 2 is the perspective view two of LED lamp affixed to the ceiling among the utility model embodiment;

Fig. 3 is the exploded view of LED lamp affixed to the ceiling among the utility model embodiment.

The specific embodiment

Below in conjunction with accompanying drawing and specific embodiment the utility model is described further.

LED lamp affixed to the ceiling shown in Fig. 1～3 comprises PCB circuit board 1, is connected electrically in the led light source 2 on the PCB circuit board 1; Be covered with the milky white diffuser 3 of optical grade PMMA on the led light source 2; Said PCB circuit board 1 is to be fixed on the heat-dissipating casing 6 through tapping screw 4 and plastic expansion screw 5, and said heat-dissipating casing 6 fixes through tapping screw 7 and

plastics clamp

8 and 9 with diffuser 3, and this product adopts threaded screw to fix more; Be installed on the ceiling, improved safety coefficient.

In the present embodiment, it is integral piece through rotary pressure technology compression moulding that heat-dissipating casing 6 adopts aluminium section bar, and heat-dissipating casing is provided with screw hole.PCB circuit board 1 adopts Copper Foil and glass fibre to process, and suppress with the FR4 glass mat on the surface, the insulating radiation better performances; Heat-dissipating casing adopts the aluminium section bar rotary pressure technology; The surface is through spraying paint processing, and mechanical strength and heat radiation advantage are more obvious, and outward appearance also can be guaranteed; Simultaneously heat radiation is had tangible reinforcement, thereby it has solved the not good short problem in service life that causes of existing LED light fixture radiating effect.The heat that each led light source is produced when luminous dissipates to the external world with the mode of free convection and conduction from bottom to top by air and is dissipated in the ambient air; Descend because of the overheated led light source luminous power that causes with elimination; Colour temperature is elegant, and then influences the problem of brightness of illumination.The mechanical performance of superelevation, the thermal conductivity factor of superelevation, heat conduction, heat radiation, convection current is with the obvious advantage, the radiating effect persistent high efficiency, long service life, good looking appearance obviously improves the configuration design space and the external aesthetic property of LED light fixture, and consumer's acceptable degree is high.Diffuser 3 has been selected optical grade PMMA lampshade for use, has added anti-UV in this lampshade, and is anti-oxidant, the anti-aging material of Denging; Prevent that light fixture from lighting for a long time, the lampshade jaundice, high temperature resistant 135 degree that reach, light transmittance is up to more than 92%; Light loss is little, and what itself adopt is milky, and the effective like this LED that prevented dazzles the uncomfortable degree that light causes human eye; And light loss is little, and illumination is even, and visual effect is very good.Expansion plastic screw 5 is selected raw material manufacturings such as PA66 for use, and the product cost is low, good toughness, pulling force are good, shock-resistant, do not break, hardness is strong, corrosion-resistant, ageing-resistant, Applicable temperature (40 ℃～+ 80 ℃).Power supply 10 has no influence through tapping screw 11 built-in being fixed on the heat-dissipating casing to the aesthetic property of putting in order lamp.

Claims

1. a LED lamp affixed to the ceiling comprises the PCB circuit board, is connected electrically in the led light source on the PCB circuit board; Be located at the outer diffuser of led light source; It is characterized in that: said PCB circuit board is fixed on one and can be directly installed on the heat-dissipating casing of ceiling, and it is integral piece through rotary pressure technology compression moulding that this heat-dissipating casing adopts aluminium section bar, and heat-dissipating casing is provided with screw hole; And also being fixed with power supply on the said PCB circuit board, said heat-dissipating casing is connected with said diffuser is dismantled and assembled.

2. LED lamp affixed to the ceiling according to claim 1 is characterized in that: said PCB circuit board and heat-dissipating casing all are to be fixed on the ceiling of needs installation through tapping screw and swell fixture.

3. LED lamp affixed to the ceiling according to claim 1 is characterized in that: said heat-dissipating casing surface scribbles layer of paint, and mechanical strength and heat radiation advantage are more obvious like this.

4. LED lamp affixed to the ceiling according to claim 1 is characterized in that: said diffuser is an optical grade PMMA lampshade.