CN2755411Y

CN2755411Y - Energy-saving desk lamp with long-life light source

Info

Publication number: CN2755411Y
Application number: CNU2004200808392U
Authority: CN
Inventors: 柯永清
Original assignee: MINGRUI SCIENCE AND TECHNOLOGY Co Ltd WUXI CITY
Current assignee: MINGRUI SCIENCE AND TECHNOLOGY Co Ltd WUXI CITY
Priority date: 2004-10-31
Filing date: 2004-10-31
Publication date: 2006-02-01
Anticipated expiration: 2014-10-31

Abstract

The utility model relates to an energy saving desk lamp with a long service life light source. The utility model comprises a lamp base, a supporting pipe, a lamp shade and an illuminator connected with a power supply line. The utility model is characterized in that the illuminator comprises a base plate on which a chip of a semiconductor light emitting diode is arranged, and the chip of the semiconductor light emitting diode is used as a light emitting source of the illuminator; an electrode of the chip is electrically connected with the power supply line; the base plate comprises a bottom plate provided with a metal lining and a copper foil plate of an insulation material layer; the base plate of the illuminator can be positioned in a clip base connected with a casing of the lamp shade, or the base plate can be connected with the casing of the lamp shade in an adhering mode, etc. A voltage reduction and rectifying device is arranged in an input plug of the power supply line, and direct current voltage with less than 36V is outputted to be used as a working power supply of the chip of the illuminator. The light source of the utility model has the advantages of small volume, low energy consumption, long service life, fast response, high mechanical strength, safe usage, etc.

Description

Has desk lamp energy-conservation and the long life light source

(1) technical field: the utility model belongs to lighting, is specifically related to lighting lamp.

(2) background technology: the light source of existing desk lamp is generally incandescent lamp bulb or fluorescent tube, and its total shortcoming is that volume is big, and power consumption is high, service life is short.

(3) utility model content: the present invention provides a kind of desk lamp with new construction light source for improving above-mentioned shortcoming, and its light source volume is little, energy consumption is low, long service life.

The technical solution of the utility model is as follows:

It comprises lamp socket, the lampshade that is connected with lamp socket with stay pipe and be installed on photophore in the lampshade, photophore connects power supply, described photophore comprises a substrate, the chip of device semiconductor light-emitting-diode on the substrate, conduct electricity between the electrode of chip and the power line and be connected the surface coverage transparent insulation glue of chip.

The substrate order of photophore is made of metal liner base plate, insulation material layer, copper foil plate layer, have the isolation channel of electric insulation on the copper foil plate layer, the chip apparatus of described semiconductor light-emitting-diode is on copper foil plate layer, electrode on the semiconductor light-emitting diode chip is connected with the copper foil plate conduction of described electric insulation isolation channel both sides respectively, and the copper foil plate layer of electric insulation isolation channel both sides is connected with the output plug of low-tension supply line by lead and socket respectively; Deck is installed on lampshade shell, and the board device of described photophore is in deck; Perhaps the substrate of photophore is by adhesive-layer and lampshade shell bonding connection.

Described low-tension supply line is the Dc low voltage power supply line, device has the ac buck transformer and the fairing of electrical connection in its voltage input plug, 220 volts of alternating voltage step-downs and rectification be output as be lower than 36 volts DC voltage, the input of ac buck transformer connects the input plug of 220 volts of alternating voltages, output is connected with fairing, and the voltage output end of fairing connects described Dc low voltage power supply line.

As light source, it has, and volume is little, energy consumption is low with semiconductor light-emitting diode chip for the utility model, long service life, advantage that luminous efficiency is high, and mechanical strength height, the response speed of light source are fast.Semiconductor light-emitting diode chip uses the dc low-voltage power supply, and step-down transformer and fairing are installed in the input plug of power line, and use of the present utility model thus is fool proof and convenient.

(4) description of drawings:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the mounting structure cutaway view of photophore in the utility model;

Fig. 3 is the similar alternative arrangements cutaway view of photophore in the utility model;

Fig. 4 is the front view of emitter chip mounting structure in the utility model;

Fig. 5 is the A-A cutaway view of Fig. 4;

(5) specific embodiment:

See Fig. 1, the utility model comprises lamp socket 3, the lampshade 5 that is connected with lamp socket 3 with stay pipe 4 and be installed on the photophore 6 as light source in the lampshade 5.See Fig. 4, Fig. 5, photophore 6 comprises that a surface is the substrate of copper foil plate layer, the copper foil plate layer of substrate surface has the isolation channel 13 of electric insulation with etching process, 11 and 15 two parts that the copper foil plate layer of substrate surface are divided into mutually insulated, the conducting resinl of the chip 7 usefulness prior arts of semiconductor light-emitting-diode (silver slurry) is bonding or be bonded in insulating cement on the copper foil plate layer 11 of isolation channel one side, as the light emitting source of photophore.Electrode on the semiconductor light-emitting diode chip 7 uses conductive filament 10 and 16 (spun gold or aluminium wire) welding (thermocompression bonding or ultrasonic bond) respectively on copper

foil plate layer

11 and 15, and copper

foil plate layer

11 and 15 is connected with positive and negative electric

power connection line

12 and 14 respectively.Electric

power connection line

12 and 14 is connected with the output plug 2 of power line by lead and the electrical socket that is installed on the lamp socket 3.See Fig. 5, for the conductive filament of protection chip and pressure welding, at the surface coverage transparent insulation glue 17 of chip, as epoxy glue.See Fig. 5, aforesaid substrate is made of metal (as aluminium matter) underboarding 19, insulation material layer 18, copper

foil plate layer

11,15, and the aforesaid substrate structure is a prior art, and embodiment adopts the commercially available prod.

The quantity of the semiconductor light-emitting diode chip of installing among Fig. 4 can be chosen according to the demanded power output of desk lamp and the rated output power of semiconductor light-emitting diode chip.Semiconductor light-emitting diode chip adopts the commercially available prod, and multiple colors such as white light, ruddiness, blue light can be arranged.As the coloured light semiconductor diode chip that turns blue of selecting for use hewlette-packard to produce, the blue light that is sent excites through the fluorescent material of fusion in transparent insulation glue 17 and is white light, and this is a prior art.

In the utility model, the installation of the substrate of photophore 6 and lampshade 5 or connected mode such as Fig. 2 or shown in Figure 3: among Fig. 2 on the housing of lampshade bonding installation deck 8, the board device of photophore 6 is in deck 8; Substrate with photophore 6 among Fig. 3 is connected with lampshade shell 5 by viscose glue 9.The substrate of photophore 6 can also have other syndetons to be connected with lampshade or miscellaneous part, for example is connected among Fig. 1 on the stay pipe 4.

1 for device in it has the power line input plug of step-down transformer and fairing among Fig. 1,220 volts of alternating voltage step-down transformations and rectification is output as be lower than 36 volts DC voltage, as the working power of photophore 6.The input of ac buck transformer connects 220 volts AC power, output is connected with fairing, the output of fairing connects the Dc low voltage power supply line, and the output of this Dc low voltage power supply line connects output plug 2, the electrical socket that plug 2 inserts on the lamp socket 3.Above-mentioned ac buck transformer and fairing adopt the prior art design and make.

Claims

1, has desk lamp energy-conservation and the long life light source, comprise lamp socket, the lampshade that is connected with lamp socket with stay pipe and be installed on photophore in the lampshade, photophore connects power supply, it is characterized in that described photophore comprises a substrate, the chip of device semiconductor light-emitting-diode on the substrate conducts electricity between the electrode of chip and the power line and is connected the surface coverage transparent insulation glue of chip.

2, has a desk lamp energy-conservation and the long life light source by claim 1 is described, the substrate order that it is characterized in that described photophore is made of metal liner base plate, insulation material layer, copper foil plate layer, have the isolation channel of electric insulation on the copper foil plate layer, the chip apparatus of described semiconductor light-emitting-diode is on copper foil plate layer, electrode on the semiconductor light-emitting diode chip is connected with the copper foil plate layer conduction of described electric insulation isolation channel both sides respectively, and the copper foil plate layer of electric insulation isolation channel both sides is connected with the low-tension supply line by lead respectively.

3, describedly have a desk lamp energy-conservation and the long life light source by claim 1 or 2, it is characterized in that installing deck on lampshade shell, the board device of described photophore is in deck.

4, describedly have a desk lamp energy-conservation and the long life light source by claim 1 or 2, the substrate that it is characterized in that photophore is by adhesive-layer and lampshade shell bonding connection.

5, has a desk lamp energy-conservation and the long life light source by claim 2 is described, it is characterized in that described power line is the Dc low voltage power supply line, device has the ac buck transformer and the fairing of electrical connection in its voltage input plug, 220 volts of alternating voltage step-downs and rectification be output as be lower than 36 volts DC voltage, the input of ac buck transformer connects the input plug of 220 volts of alternating voltages, output is connected with fairing, and the voltage output end of fairing connects described Dc low voltage power supply line.