CN201093419Y

CN201093419Y - LED light fitting

Info

Publication number: CN201093419Y
Application number: CNU2007201723446U
Authority: CN
Inventors: 宋文洲
Original assignee: HENGGANG GUANGTAI ELECTRONIC FACTORY LONGGANG DISTRICT SHENZHEN; KINGBRIGHT ELECTRONICS Co Ltd
Current assignee: HENGGANG GUANGTAI ELECTRONIC FACTORY LONGGANG DISTRICT SHENZHEN; KINGBRIGHT ELECTRONICS Co Ltd
Priority date: 2007-10-08
Filing date: 2007-10-08
Publication date: 2008-07-30
Anticipated expiration: 2017-10-08

Abstract

The utility model provides an LED lamp that is suitable for the illuminating field, the LED lamp comprises a light emitting diode, an assembling unit and a driving circuit unit, wherein, the assembling unit is provided with a holding part, the driving circuit unit is arranged in the holding part and is electrically connected with a conduction part which exposes out of one end margin of the assembling unit, the light emitting diode is arranged at the other end margin of the assembling unit and is electrically connected with the driving circuit unit. The utility model uses the matching of the assembling unit, the driving circuit unit and the light emitting diode to carry out the driving by the direct-current voltage or the alternating-current voltage directly, so as to lead the LED lamp to reach the efficacies of convenient installation, use and maintenance, further more to be according with the needs of users.

Description

The LED light fixture

Technical field

The utility model belongs to lighting field, relates in particular to a kind of LED light fixture.

Background technology

Common light emitting diode (LED) comprises chip, pin and is coated on the outer epoxy resin of chip.Normally the pin of a plurality of single LEDs is welded on the printed circuit board (PCB) during use, the circuit on led chip and the printed circuit board (PCB) is electrically connected, so that it is luminous to drive this LED.This structure is for installation and the very inconvenience of maintenance of LED.Usually, illuminating LED only needs the voltage of 2～4V to drive, if when using the alternating current driving LED of civil power, needs usually earlier this alternating current just can be input to LED after over commutation, voltage stabilizing.Yet the device that is used for LED rectification, voltage stabilizing generally is arranged on the LED outside.Though the user can use a plurality of light emitting diodes to increase the brightness of lighting device simultaneously, but because a plurality of light emitting diodes and can't be directly provide electric power with the alternating current of civil power, must add stable-pressure device in addition and fairing is converted to the electric current that meets the light-emittingdiode requirement with alternating current, could give described a plurality of light emitting diode power supply.The volume that can make lighting device usually that is provided with of stable-pressure device and fairing becomes big, and makes electric current produce excess loss easily, and the higher illumination apparatus that also is not easy to of cost is carried out installation and maintenance.

The utility model content

The purpose of this utility model is to provide a kind of LED light fixture, is intended to the problem that solves existing LED lamp installation, uses and safeguard inconvenience.

The utility model is to realize like this, a kind of LED light fixture, comprise a light emitting diode, one winding unit and one drive circuit unit, described winding unit has a holding part, described drive circuit unit is located in the described holding part and is electrically connected with the conductive part that exposes winding unit one ora terminalis, and described light emitting diode is located at another ora terminalis of winding unit and is electrically connected with drive circuit unit.

The utility model compared with prior art, its beneficial effect is: utilize the cooperation of winding unit, drive circuit unit and light emitting diode, directly drive with direct current or alternating voltage, the LED light fixture is reached be convenient to the effect of installation, use and maintenance, and then more meet the required of user.

Description of drawings

Fig. 1 is the schematic appearance of the LED light fixture that provides of the utility model first embodiment;

Fig. 2 is the circuit diagram of the direct voltage drive of the utility model LED light fixture;

Fig. 3 is the circuit diagram that the alternating voltage of the utility model LED light fixture drives;

Fig. 4 is the circuit diagram that the direct voltage drive of the utility model LED light fixture has overcurrent protection;

Fig. 5 is that the direct current and the alternating voltage of the utility model LED light fixture shared the circuit diagram that drives;

Fig. 6 is the direct voltage drive circuit diagram with reverse overload protection of the utility model LED light fixture;

Fig. 7 is the direct voltage drive circuit diagram of anti-surging protection of having of the utility model LED light fixture and reverse overload protection;

Fig. 8 is the schematic appearance of the LED light fixture that provides of the utility model second embodiment;

Fig. 9 is the schematic appearance of the LED light fixture that provides of the utility model the 3rd embodiment;

Figure 10 is the schematic appearance of the LED light fixture that provides of the utility model the 4th embodiment;

Figure 11 is the schematic appearance of the LED light fixture that provides of the utility model the 5th embodiment;

The specific embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

The LED light fixture that the utility model embodiment provides utilizes the cooperation of winding unit, drive circuit unit and light emitting diode, directly drives with direct current or alternating voltage, LED light fixture of the present utility model is reached be convenient to the effect of installing, using and safeguard.

Please referring to Fig. 1, the LED light fixture that the utility model first embodiment provides comprises a winding unit 1, one drive circuit unit 2 and a light emitting diode 3 (LED).

Described winding unit 1 material is a plastic cement, wherein this plastic cement can be the insulating materials that nylon thermosettings such as (NYLON) is shaped, and this winding unit 1 has a holding part 11 at least, and this winding unit 1 one ends extension formation one is inserted into end 12, makes the utility model constitute one thus and is inserted into formula LED light fixture.

This drive circuit unit 2 is located in the holding part 11 of above-mentioned winding unit 1, and this drive circuit unit 2 electrically connects and exposes first conductive part 21 and second conductive part 20 that winding unit 1 has the ora terminalis that is inserted into end, this first conductive part 21 and second conductive part, 20 mutually insulateds and be closely set in and be inserted into end 12 surfaces.

This light emitting diode 3 by a liner 31 directly or cooperate adhesive glue to be arranged at another ora terminalis of winding unit 1, and electrically connect with drive circuit unit 2, wherein this liner 31 can and get by 1 extension of winding unit, this light emitting diode 3 can be direct insertion LED, and this adhesive glue can be epoxy resin.

When using this LED light fixture, can utilize the end 12 that is inserted into of winding unit 1 directly to insert on lamp socket (figure does not show) with direct current or alternating voltage, make this first conductive part 21 and second conductive part 20 that electric energy is transferred to drive circuit unit 2, it is luminous to carry out rectifying and voltage-stabilizing rear drive light emitting diode 3 by drive circuit unit 2; As seen, the LED light fixture of present embodiment can directly utilize the direct current or the alternating voltage of LED light fixture outside to drive, and reaches to be convenient to the effect installing, use and safeguard.

Fig. 2 to Fig. 7 is respectively the circuit connection diagram of light emitting diode 3 with its drive circuit unit 2 of the utility model LED light fixture.Wherein, Fig. 2 is the circuit diagram of direct voltage drive; Fig. 3 is the circuit diagram that alternating voltage drives; Fig. 4 is the circuit diagram that direct voltage drive has overcurrent protection; Fig. 5 is that direct current and alternating voltage are shared the circuit diagram that drives; Fig. 6 is the direct voltage drive circuit diagram with reverse overload protection, and Fig. 7 is and has a direct voltage drive circuit diagram of anti-surging protection and reverse overload protection.Described drive circuit unit 2 is to utilize cooperatively interacting of electronic building bricks such as resistance 22, electric capacity 23, rectifier 24, fuse 25 and diode 26 according to actual needs, the circuit that is designed to specific function, and, make light emitting diode 3 can meet the required of various practice with light emitting diode 3 and

conductive part

21,20 electric connections.

Please referring to Fig. 8, the winding unit 1a material of the LED light fixture of the utility model second embodiment is a metal, its outside can be encircled and establish a threaded portion 13a, its conductive part of ora terminalis that exposes winding unit 1a is as the first conductive part 21a, metal group order unit makes the utility model constitute the LED light fixture of a screw type as second conductive part thus.When this LED light fixture is installed, can utilize the threaded portion 13a of winding unit 1a directly to be bolted in (figure does not show) on the lamp socket with direct current or alternating voltage.

Please referring to Fig. 9, the winding unit 1b material of the LED light fixture of the utility model the 3rd embodiment is a metal, is respectively equipped with a protuberance 14b in its both sides external, makes the utility model constitute the LED light fixture of a socket type thus.When this LED light fixture is installed, can utilize the protuberance 14b of winding unit 1b directly to insert (figure does not show) on the lamp socket with direct current or alternating voltage.

Please referring to Figure 10, the winding unit 1c material of the LED light fixture of the utility model the 4th embodiment is a metal, and its outer ring is provided with a fin 15c, makes the utility model constitute the LED light fixture of a flanged type thus.When this LED light fixture is installed, can utilize the fin 15c of winding unit 1c directly to snap in (figure does not show) on the lamp socket with direct current or alternating voltage.

Please referring to Figure 11, the winding unit 1d material of the LED light fixture of the utility model the 5th embodiment is a metal, and its outer ring is provided with a groove 16d, makes the utility model constitute the LED light fixture of a groove type thus.When this LED light fixture is installed, can utilize the groove 16d of winding unit 1d and cooperating of the lamp socket with direct current or alternating voltage (figure does not show) that the LED light fixture is fixed.

In sum, LED light fixture of the present utility model utilizes the cooperation of winding unit, drive circuit unit and light emitting diode, directly drives with direct current or alternating voltage, LED light fixture of the present utility model is reached be convenient to the effect of installing, using and safeguard.

The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all interior any modifications of doing, be equal to and replace and improvement etc. in spirit of the present utility model and principle, all should be included in protection domain of the present utility model in.

Claims

1. LED light fixture, comprise a light emitting diode, it is characterized in that: also comprise a winding unit and one drive circuit unit, described winding unit has a holding part, described drive circuit unit is located in the described holding part and is electrically connected with the conductive part that exposes winding unit one ora terminalis, and described light emitting diode is located at another ora terminalis of winding unit and is electrically connected with drive circuit unit.

2. LED light fixture as claimed in claim 1 is characterized in that, the ora terminalis extension formation one that described winding unit has conductive part is inserted into end.

3. as claim 1,2 described LED light fixtures, it is characterized in that described conductive part comprises first conductive part and second conductive part that insulate mutually with it at least, described first conductive part and second conductive part are closely set in the described end surfaces that is inserted into.

4. LED light fixture as claimed in claim 1 is characterized in that, described winding unit is the winding unit of plastics.

5. LED light fixture as claimed in claim 1 is characterized in that, described winding unit is the winding unit of metal.

6. as claim 1 or 5 described LED light fixtures, it is characterized in that described winding unit is peripherally installed with a threaded portion.

7. as claim 1 or 5 described LED light fixtures, it is characterized in that described winding unit is peripherally installed with a fin or both sides are established a protuberance respectively.

8. as claim 1 or 5 described LED light fixtures, it is characterized in that described winding unit is peripherally installed with a groove.

9. as claim 1 or 5 described LED light fixtures, it is characterized in that described conductive part is as first conductive part, described winding unit is as second conductive part, and described winding unit and described drive circuit unit electrically connect.

10. LED light fixture as claimed in claim 1 is characterized in that, described light emitting diode is direct insertion LED or paster type light emitting type.