CN202001869U

CN202001869U - Energy-saving LED lamp tube

Info

Publication number: CN202001869U
Application number: CN2010206165819U
Authority: CN
Inventors: 周向辉; 蒋志强; 陈浩; 王李佳
Original assignee: SHANGHAI XINGZHOU LIGHTING TECHNOLOGY Co Ltd
Current assignee: SHANGHAI XINGZHOU LIGHTING TECHNOLOGY Co Ltd
Priority date: 2010-11-22
Filing date: 2010-11-22
Publication date: 2011-10-05
Anticipated expiration: 2020-11-22

Abstract

The utility model relates to an energy-saving LED lamp tube, which is designed according to the length of an ordinary energy-saving lamp tube, and takes more than two colors of energy-saving LEDs as light sources, half of the lamp tube is made of metal and used for radiation, the other half of the lamp tube is made of transparent material so as to guarantee illumination, and a constant current drive power is used for guaranteeing the service life of the LED lamp. The designed LED lamp tube is energy-saving and has long service life, can be installed on the traditional fluorescent tube lamp rack which is not provided with an electronic ballast, an inductive coil ballast and a starter, thus being convenient for replacing the traditional fluorescent lamp, and the energy-saving LED lamp tube has color indicator lamp function, and can play a special role in a specific environment.

Description

A kind of LED power saving fluorescent lamps

Technical field

The utility model relates to a kind of lighting apparatus, particularly a kind of LED power saving fluorescent lamps.

Background technology

LED's is energy-efficient, the long-life, and Environmental Safety, advantages such as convenient transportation come into one's own LED day by day in illumination, and the LED power saving fluorescent lamps also begins extensive use in the illumination of indoor and outdoor.

Present most LED fluorescent tube mostly adopts the step-down current constant mode, and built-in drive circuit is within fluorescent tube, higher to the volume requirement that drives, wherein on the market many product because unreasonable light stroboscopic, the brightness irregularities that sends that cause of led driver design, life-span does not reach expeced time far away, perhaps the unreasonable LED heat dissipation problem that causes of structural design does not have solution, and light decay is serious, is unfavorable for producing and assembling.Easy stolen also being unfavorable for promoted when LED day fluorescent tube used than light fixtures such as incandescent lamp fluorescent lamp are high owing to cost.

Summary of the invention

The utility model is the problem that exists in using at present LED fluorescent tube, a kind of LED power saving fluorescent lamps has been proposed, energy-conservation and long-life, can be installed on the conventional fluorescent spot frame, there are not electric ballast, inductance coil ballast and starter on the lamp bracket, the traditional fluorescent lamp of convenient replacement, this LED power saving fluorescent lamps has colored indicator lamp function, can play special purposes in particular environment.

The technical solution of the utility model is: a kind of LED power saving fluorescent lamps, comprise fluorescent tube, constant-current drive circuit, lamp plate, terminal, terminal is positioned at the two ends of fluorescent tube, cooperate with common fluorescent lamp lamp bracket, terminal inside connects lamp plate by constant-current drive circuit, fluorescent tube is made up of heat dissipation metal cover, diffuser, heat dissipation metal cover and diffuser are combined into fluorescent tube by draw-in groove each other, heat dissipation metal cover inwall has strip-shaped clamp groove, lamp plate inserts in the strip-shaped clamp groove fixing, is made up of the LED light emitting diode of two kinds of colors at least on the lamp plate.

The metal that described heat dissipation metal cover is a good heat conductivity is cast.

On the described heat dissipation metal cover, two tops that are positioned at strip-shaped clamp groove have two to insert the fixedly hole of the plug of lamp plate.

The shape of described fluorescent tube is chosen as circle, polygon, ellipse, rhombus.

Described constant-current drive circuit comprises rectification circuit, power circuit for rectifying and filter circuit, PWM constant-current drive circuit, filter circuit for the second time, rectification circuit connects power circuit for rectifying and a filter circuit, the power circuit for rectifying is connected the PWM constant-current drive circuit with a filter circuit, the PWM constant-current drive circuit connects filter circuit for the second time, and filter circuit connects the LED lamp plate for the second time.

The beneficial effects of the utility model are: the utility model LED power saving fluorescent lamps can be used on the present existing fluorescent lighting fixture, and the energy-conservation life-span is long, and is pollution-free, and wounded smooth indicator lamp function has more practicality than fluorescent lamp and LED light fixture on the market a few days ago.

Description of drawings

Fig. 1 is the utility model LED power saving fluorescent lamps structural representation;

Fig. 2 is that the utility model LED power saving fluorescent lamps is installed electric diagram;

Fig. 3 is the drive principle block diagram of the utility model LED power saving fluorescent lamps;

Fig. 4 is for originally being the drive circuit schematic diagram with the New LED power saving fluorescent lamps;

Fig. 5 is the LED lamp plate array circuit schematic diagram of the utility model LED power saving fluorescent lamps;

Fig. 6 is the lamp plate array junctions composition of the utility model LED power saving fluorescent lamps.

The specific embodiment

Be illustrated in figure 1 as structural representation, the LED power saving fluorescent lamps comprises the Plastic cap 103,104 of heat dissipation metal cover 101, diffuser 102, lock screw, wherein heat dissipation metal cover 101 and diffuser 102 draw-in groove by each other is combined into an ellipse pipe, heat dissipation metal cover 101 is cast for aluminium, heat dispersion is good, diffuser is that printing opacity newly can be made by good optical material, and the light derivation and the light that are beneficial to LED are evenly not dazzling.Heat dissipation metal cover 101 inwalls have strip-shaped clamp groove 105, two screw holes 106, wherein strip-shaped clamp groove 105 is as fixed L ED lamp bar, by with screw at the fixing plug 103,104 of screw hole 106, tradition is produced by bonding being more convenient for of glue, two binding posts 107,108,109,110 are arranged on the plug 103,104, wherein 107,108 inner drivings with white light LEDs are connected, and the outside is connected with power supply; 109,110 inner drivings with color LED are connected, and the outside is connected with power supply, and connection layout as shown in Figure 2.

Electric diagram is installed as shown in Figure 2, the LED fluorescent tube is connected on the lamp bracket by contact pin 107,108,109,110, wherein 107,109 be connected on the civil power zero line (AC85V-265V 50HZ/60HZ), 108,110 be connected on single-pole double-throw switch (SPDT) contact P1, the P2, the contact P3 of single-pole double-throw switch (SPDT) is connected on civil power (AC85V-265V 50HZ/60HZ) phase line.After the connection, P3 gets to P1, and then White LED is bright, and glory LED extinguishes; Chopper is got to P2, and then color LED is bright, and White LED extinguishes.

Drive principle block diagram as shown in Figure 3, constant current drives by rectification circuit, power circuit for rectifying and a filter circuit, the PWM constant-current drive circuit, filter circuit is formed for the second time.Rectification circuit connects power circuit for rectifying and a filter circuit, and the power circuit for rectifying is connected the PWM constant-current drive circuit with a filter circuit, and the PWM constant-current drive circuit connects filter circuit for the second time, and filter circuit connects the LED lamp plate for the second time.

Drive circuit schematic diagram as shown in Figure 4, civil power (AC85V-265V 50HZ/60HZ) is by the ac input end input that drives, convert dc pulse voltage to through rectifier bridge, through D1, D2, D3, C1, the power circuit for rectifying that C2 forms becomes direct current with a filter circuit, by PWM constant current control chip IC1 driven MOS pipe Q1, direct current is converted into the output of constant-current pulse voltage, inductance L 1 does necessary filtering and energy discharges, fast recovery diode FD gives the direct current positive pole energy back when switching tube turn-offed, and last C3 makes further filtering driving LED array.

LED lamp plate array circuit schematic diagram as shown in Figure 5, wherein the key lighting part is by the White LED string and in conjunction with forming, LED11, LED12, LED13....LED1N are that tandem compound carries out in parallel with LED21, LED22, LED23....LED2N among combining form such as the figure, string and combination are received White LED again and are driven, this combination can be formed the LED light fixture of all size, such as the light fixture of 60mm, 90mm, 120mm, 150mm even some the non-rules of T5, T8, T10 etc., such as circular, polygon (triangle, quadrangle, hexagon are capable etc.).Colored indicator lamp part is composed in series by at least 2 color LEDs and receives in the color LED driving again.

Lamp plate array junctions composition as shown in Figure 6, wherein 601 is 8 color LEDs in two ends, drives with color LED by interface 602 to be connected, 603 is White LED, is connected with the White LED driving by interface 604.

Claims

1. LED power saving fluorescent lamps, comprise fluorescent tube, constant-current drive circuit, lamp plate, terminal, terminal is positioned at the two ends of fluorescent tube, cooperate with common fluorescent lamp lamp bracket, terminal inside connects lamp plate by constant-current drive circuit, it is characterized in that, fluorescent tube is made up of heat dissipation metal cover, diffuser, heat dissipation metal cover and diffuser are combined into fluorescent tube by draw-in groove each other, heat dissipation metal cover inwall has strip-shaped clamp groove, lamp plate inserts in the strip-shaped clamp groove fixing, is made up of the LED light emitting diode of two kinds of colors at least on the lamp plate.

2. according to the described LED power saving fluorescent lamps of claim 1, it is characterized in that described heat dissipation metal cover is that metal is cast.

3. according to the described LED power saving fluorescent lamps of claim 1, it is characterized in that on the described heat dissipation metal cover, two tops that are positioned at strip-shaped clamp groove have two to insert the fixedly hole of the plug of lamp plate.

4. according to the described LED power saving fluorescent lamps of claim 1, it is characterized in that, described fluorescent tube be shaped as circle, ellipse, rhombus.

5. according to the described LED power saving fluorescent lamps of claim 1, it is characterized in that, described constant-current drive circuit comprises rectification circuit, power circuit for rectifying and filter circuit, PWM constant-current drive circuit, filter circuit for the second time, rectification circuit connects power circuit for rectifying and a filter circuit, the power circuit for rectifying is connected the PWM constant-current drive circuit with a filter circuit, the PWM constant-current drive circuit connects filter circuit for the second time, and filter circuit connects the LED lamp plate for the second time.