CN201666489U

CN201666489U - High-power energy-saving LED lamp

Info

Publication number: CN201666489U
Application number: CN2010201518617U
Authority: CN
Inventors: 林新忠
Original assignee: Xiamen Xiarom Electronics Co Ltd
Current assignee: Xiamen Xiarom Electronics Co Ltd
Priority date: 2010-03-30
Filing date: 2010-03-30
Publication date: 2010-12-08
Anticipated expiration: 2020-03-30

Abstract

The utility model relates to the field of the lighting lamp, in particular to the field of the LED lighting lamp, and provides a high-power energy-saving LED lamp, which comprises a screw clamp head, a first sleeve connecting component, a radiating lamp shell, a second sleeve connecting component, a lamp shade, an LED control circuit board, an LED circuit board and an annular arc-surfaced reflector. The LED control circuit board can transform the mains supply into power which can drive an LED, can converge and transmit light emitted by a plurality of high-power LEDs, and can also effectively radiate the heat of the high-power LED and the LED control circuit board through the radiating lamp shell which consists of a plurality of radiating ridges, thereby realizing stable operation. In addition, since the appearance and the interface of the high-power energy-saving LED lamp are identical to the appearance and the interface of the ordinary lamp, compared with the interface of the ordinary electric light source of the prior art, the utility model has better compatibility, and can be used very conveniently.

Description

High-power LED energy-saving lamp

Technical field

The utility model relates to field of illuminating lamps, relates in particular to the field of illuminating lamps of LED.

Background technology

Utilizing lamp lighting has been very common means in the human being's production life.Present light fixture all is to adopt electric source lighting, and electric light source can be divided into heat radiation light source, glow discharge spot lamp and semiconductor recombination luminescence light source according to its principle of luminosity.

Heat radiation light source mainly is exactly ordinary incandescent lamp and halogen tungsten lamp, the heat radiation luminescence phenomenon that its principle of luminosity causes to incandescent state by current flow heats based on the filament in vacuum or the neutral gas.Its advantage be simple in structure, cheap, easy to use, colour rendering is good; Shortcoming is that heating is big, luminous efficiency is lower, service life is shorter.And glow discharge spot lamp mainly comprises electricity-saving lamp, conventional fluorescent lamps, compact fluorescent lamp and discharge lamp etc., and advantage is that luminous efficiency is more much higher than incandescent lamp, also is being better than incandescent lamp aspect service life; Shortcoming is particularly its stroboscopic effect of colour rendering relatively poor (spectrum is interrupted), makes human eye produce illusion, the stroboscopic effect of should taking measures to eliminate easily.

Along with the development of electric light source technology, human lighting system is also constantly progressive.Especially the proposition of light emitting diode (LED) technology, it is exactly a kind of typical semiconductor recombination luminescence light source.The principle of luminosity of light emitting diode (LED) is the compound light that sends of semi-conductive particle when utilizing electric current to flow through semiconductor chip.Because LED is a kind of illumination mode that electric energy can be converted into visible light, therefore have above-mentioned two kinds of traditional lighting systems incomparable advantage.It has that volume is little, consuming electric power is low, the advantage of environmental protection more, sturdy and durable, long service life.

Therefore,, replace traditional lighting, then will be beneficial to environmental protection greatly, meet the low-carbon (LC) theme and the green energy resource theme of present society if LED can be applied to the general lighting field.Because the working method of LED is different with traditional electric light source, is the operating current mode that belongs to low-voltage direct, therefore LED can not be inserted in the existing lighting power supply system and directly use.In addition, because present electric light source interface is common general and form standardization, thereby also needs the interface of LED is improved, make itself and existing electric light source interface compatibility.

The utility model content

At the problems referred to above and specification requirement, the utility model proposes a kind of interface and common bulb compatibility, heat dispersion is good, the high-power LED energy-saving lamp that sound construction is durable.

The technical solution of the utility model is:

High-power LED energy-saving lamp of the present utility model comprises as lower member:

The spiral dop comprises being used to screw at the spiral head of bulb spiral bayonet mount and the electrode stationary contact on top thereof;

The first cover pipe connections, spiral dop and heat-dissipation lamp housing that socket is above-mentioned;

Heat-dissipation lamp housing, be a bulb Lower Half shape, by many heat dissipation metal members that constitute of heat radiation ridges, be a cavity in it, a LED control circuit board is set in the chamber;

The second cover pipe connections, heat-dissipation lamp housing that socket is above-mentioned and lampshade;

Lampshade is the light transmitting shell of the semicircular body of a bulb first half shape;

The LED control circuit board, input is electrically connected at described spiral dop by electric wire, and output is electrically connected at the led circuit plate by electric wire;

The led circuit plate is provided with a plurality of LED on it, and is embedded in the central authorities of annular cambered surface reflector;

The annular cambered surface reflector, the embedded above-mentioned led circuit plate of its center bottom, and be fixedly set in the upper end of the cavity of described heat-dissipation lamp housing.

Further, described LED control circuit board comprises rectifier bridge unit, filter cell and the RCD-R clamp circuit unit that is series at input successively, and be connected in the input stage of transformer, the output stage of transformer connects the led drive circuit unit, and described transformer also also is connected a feedback control circuit unit with RCD-R clamp circuit unit.

Further, described led circuit plate is the circuit board that is arranged on the thermal conductivity aluminum matrix plate, and described LED is symmetricly set on this led circuit plate.

Further, described LED is 5 large power white light LEDs, is arranged on the centre and peripheral four symmetrical angles of led circuit plate.

The utility model adopts as above technical scheme, but civil power is converted to the power supply of driving LED by the LED control circuit board, and by of the light convergence ejaculation of annular cambered surface reflector with a plurality of great power LEDs, also effectively exhale, realize steady operation by the heat of many heat radiation ridges formation heat-dissipation lamp housings with great power LED and LED control circuit board; In addition, because the external form of high-power LED energy-saving lamp of the present utility model is consistent with common bulb with interface, therefore can be well compatible, very convenient to use with present common electrical light source interface.

Secondly, the utility model also has long service life and energy-saving advantages, and it is higher 8 times than power saving fluorescent lamp that the utility model employing 1w white light LEDs is made the lighting bulb average life span; Higher 33 times than incandescent lamp, then the incandescent lamp average life span is 1000h; Power saving fluorescent lamp is 6000h, and the large power white light LED electricity-saving lamp is greater than 50000h.Energy consumption is an incandescent lamp 1/3; It is 3/5 of power saving fluorescent lamp.

At last, the utility model also has the advantage of green, Environmental Safety, because the lamp tube type lampshade of incandescent lamp and power saving fluorescent lamp is to adopt glassware, frangible fragile, the fluorescent tube mercurous (mercury) of special power saving fluorescent lamp damages the back and is difficult to reclaim, can cause environmental pollution, recyclable utilization rate is less than 50%; And large power white light LED energy-saving bulb of the present utility model is to adopt semiconductor solid luminescence crystal, and the whole lamp of contour structures all adopts portion's member such as nontoxic, harmless, unleaded to be combined into integral body.Wherein, heat-dissipation lamp housing is that die casting is made the curve of the blade formula to reach the fastest, best to LED lamp pearl radiating effect, guarantee the service life of LED and weaken light decay.Lampshade, lamp holder etc. are to use the PC injection moulding, and lamp holder is a copper nickel environment-friendly type, and the pcb board of constant-current source and whole first device all adopt environment-friendly type, this product authenticates by ROHS, even the whole lamp life-span expires, the then whole recyclable utilization rate of lamp can reach more than 90%, and environment is not produced any harm.It is the universal light fixture of new generation of green lighting energy saving.

Description of drawings

Fig. 1 is a profile stereogram of the present utility model;

Fig. 2 is the decomposing schematic representation of each member of the utility model;

Fig. 3 is the connection diagram of LED control circuit board of the present utility model and heat-dissipation lamp housing;

Fig. 4 is the assembling schematic diagram of annular cambered surface reflector of the present utility model and led circuit plate;

Fig. 5 is the circuit theory diagrams of LED control circuit board of the present utility model.

The specific embodiment

Now with the specific embodiment the utility model is further specified in conjunction with the accompanying drawings.

Consult shown in Figure 1, high-power LED energy-saving lamp of the present utility model is to be used in the identical profile of common bulb, therefore can be well compatible, very convenient to use with present common electrical light source interface, as long as spiral dop 1 is screwed at bulb spiral bayonet mount and can use.

Consult Fig. 1, Fig. 2, Fig. 3 and Fig. 4, high-power LED energy-saving lamp of the present utility model comprises as lower member:

Spiral dop 1 comprises being used to screw at the spiral head of bulb spiral bayonet mount and the electrode stationary contact on top thereof;

The first cover pipe connections 2, spiral dop 1 that socket is above-mentioned and heat-dissipation lamp housing 3;

Heat-dissipation lamp housing 3, be a bulb Lower Half shape, by many heat dissipation metal members that constitute of heat radiation ridges, be a cavity in it, a LED control circuit board 6 is set in the chamber;

The second cover pipe connections 4, heat-dissipation lamp housing 3 that socket is above-mentioned and lampshade 5;

Lampshade 5 is light transmitting shell of the semicircular body of a bulb first half shape;

LED control circuit board 6, input is electrically connected at described spiral dop 1 by electric wire 7, and output is electrically connected at led circuit plate 8 by electric wire 7;

Led circuit plate 8 is provided with a plurality of LED801 on it, and is embedded in the central authorities of annular cambered surface reflector 9;

Annular cambered surface reflector 9, the embedded above-mentioned led circuit plate 8 of its center bottom, and be fixedly set in the upper end of the cavity of described heat-dissipation lamp housing 3.

Preferred embodiment, described led circuit plate 8 is for being arranged at the circuit board on the thermal conductivity aluminum matrix plate, and described LED801 is symmetricly set on this led circuit plate 8.Described LED801 is 5 large power white light LEDs, is arranged on the centre and peripheral four symmetrical angles of led circuit plate 8.Like this, by the setting of thermal conductivity aluminum matrix plate, can be better the heat of 5 large power white light LEDs be well distributed.

Consulting shown in Figure 5 is the circuit theory diagrams of LED control circuit board 6 of the present utility model.Wherein, described LED control circuit board 6 comprises rectifier bridge unit 601, filter cell 602 and the RCD-R clamp circuit unit 603 that is series at input successively, and be connected in the input stage of transformer T1, the output stage of transformer T1 connects led drive circuit unit 605, and described transformer T1 also also is connected a feedback control circuit unit 604 with RCD-R clamp circuit unit 603.

Rectifier bridge unit 601 in LED control circuit board 6 circuits is used for carrying out rectification to exchanging AC85～260V input power supply, and filter cell 602 is used for the DC voltage/current after the rectification is carried out filtering.Wherein fusible resistor RF is used to limit the surge current that produces when starting and plays the effect of fuse when element breaks down because of input current is excessive.Be with device for power switching, oscillator in the circuit, CC/cv control loop and startup and holding circuit are integrated.Utilize the integrated constant-current characteristics of control chip IC1 to come the driving LED load in the circuit, can under constant current mode, carry out work with peak power output.The constant voltage mode of chip I C1 can provide output over-voltage protection when open fault takes place any LED.When constant-current phase was worked, chip IC 1 was adjusted output current by the switching frequency of the switching tube MOSFFT of change RCD-R clamp circuit unit.Along with output voltage raises, chip IC 1 will improve its switching frequency.The size of output voltage is by the quantity decision of the LED in the load.Resistance R 5, R6 determine maximum switching frequency and output voltage.The inductance value of isolated transformer T1 can guarantee that driver is all the time with the work of peak power driving LED in the circuit.After T1 defeated piezoelectricity of level of transformer holds C7 filtering, eliminate high frequency conduction and EMI radiation by resistance R 8 and capacitor C 6.When not having load to connect, dummy resistance R9 serves as the bleeder resistance of capacitor C 7.

High-power LED energy-saving lamp of the present utility model is but that civil power to be converted to a plurality of large power white light LEDs of low-voltage dc power supply driving LED circuit board 8 of driving LED through over commutation, filtering, transformation by LED control circuit board 6 luminous, and by annular cambered surface reflector 9 light of a plurality of great power LEDs is assembled from the lampshade 5 of printing opacity and to be penetrated.Simultaneously, high-power LED energy-saving lamp of the present utility model also effectively exhales by the heat of many heat radiation ridges formation heat-dissipation lamp housings 3 with the electronic devices and components on great power LED on the led circuit plate 8 and the LED control circuit board 6, be more conducive to the LED steady operation, is provided service life.In addition, because the external form of high-power LED energy-saving lamp of the present utility model is consistent with common bulb with interface, therefore can be well compatible with present common electrical light source interface, use also very conveniently, coming bulb spiral bayonet mount to use with standard universal type E27 and ES6 as long as spiral dop 1 screwed.

Although specifically show and introduced the utility model in conjunction with preferred embodiment; but the those skilled in the art should be understood that; in the spirit and scope of the present utility model that do not break away from appended claims and limited; can make various variations to the utility model in the form and details, be protection domain of the present utility model.

Claims

1. high-power LED energy-saving lamp is characterized in that: comprise as lower member:

Spiral dop (1) comprises being used to screw at the spiral head of bulb spiral bayonet mount and the electrode stationary contact on top thereof;

The first cover pipe connections (2), spiral dop (1) that socket is above-mentioned and heat-dissipation lamp housing (3);

Heat-dissipation lamp housing (3), be a bulb Lower Half shape, by many heat dissipation metal members that constitute of heat radiation ridges, be a cavity in it, a LED control circuit board (6) is set in the chamber;

The second cover pipe connections (4), heat-dissipation lamp housing (3) that socket is above-mentioned and lampshade (5);

Lampshade (5) is the light transmitting shell of the semicircular body of a bulb first half shape;

LED control circuit board (6), input is electrically connected at described spiral dop (1) by electric wire (7), and output is electrically connected at led circuit plate (8) by electric wire (7);

Led circuit plate (8) is provided with a plurality of LED (801) on it, and is embedded in the central authorities of annular cambered surface reflector (9);

Annular cambered surface reflector (9), the embedded above-mentioned led circuit plate (8) of its center bottom, and be fixedly set in the upper end of the cavity of described heat-dissipation lamp housing (3).

2. high-power LED energy-saving lamp according to claim 1, it is characterized in that: described LED control circuit board (6) comprises rectifier bridge unit (601), filter cell (602) and the RCD-R clamp circuit unit (603) that is series at input successively, and be connected in the input stage of transformer (T1), the output stage of transformer (T1) connects led drive circuit unit (605), and described transformer (T1) also also is connected a feedback control circuit unit (604) with RCD-R clamp circuit unit (603).

3. high-power LED energy-saving lamp according to claim 1 is characterized in that: described led circuit plate (8) is for being arranged at the circuit board on the thermal conductivity aluminum matrix plate, and described LED (801) is symmetricly set on this led circuit plate (8).

4. high-power LED energy-saving lamp according to claim 3 is characterized in that: described LED (801) is 5 large power white light LEDs, is arranged on the centre and peripheral four symmetrical angles of led circuit plate (8).