CN201145175Y

CN201145175Y - LED projector

Info

Publication number: CN201145175Y
Application number: CNU2008200314329U
Authority: CN
Inventors: 史杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-23
Filing date: 2008-01-23
Publication date: 2008-11-05
Anticipated expiration: 2018-01-23

Abstract

The utility model relates to an LED projection lamp, comprising an upper cover, an LED light source, a radiator, an electrical appliance chamber and bases. A light reflecting glass is positioned in the upper cover; an LED light source component 4 is arranged on the bottom of the light reflecting glass; a bell mouth of the light reflecting glass presses light transmitting glass on the inside of a light transmitting port of the inner lamp ring; the radiator is a closed cylinder with the outer wall having a radiating fin; two ends of the radiator are connected respectively with the upper cover and the electrical appliance chamber; a PCB circuit board is arranged inside the electrical appliance chamber; a power cord enters the electrical appliance chamber via a wiring hole, is converted by an LED drive control circuit and then is connected to the LED light source component 4, so as to form circuit connection. A movable base and a fixed base are connected through a clamping slot; a lamp body is arranged on the movable base, can follow the movable base to rotate on the fixed base in full circumference, and can rotate 90 degrees in a plane perpendicular to the base. Sealing rings are respectively arranged between the upper cover and the radiator as well as between the radiator and the electrical appliance chamber, and the wiring hole of the electrical appliance chamber is provided with a waterproof joint, so as to ensure that the LED projection lamp has waterproof function and can be applied to the outdoor environment.

Description

The LED Projecting Lamp

Technical field

The utility model relates to a kind of LED semiconductor lamp, especially relates to the structure of LED Projecting Lamp.

Background technology

Along with The development in society and economy, all kinds of Projecting Lamps that are used for the illumination in square, town and country, street and beautify the environment occur in a large number, traditional floodlight adopts light sources such as osram lamp, mercury vapor lamp, iodine-tungsten lamp or high-pressure mercury lamp, and the Projecting Lamp power consumption of making is big, environmental pollution is serious.People make the life better and environment in also actively consider to save the energy; the protection environment; led light source have power consumption less, strong, the environmentally safe of applicability, advantage such as multicolor luminous; LED Projecting Lamp in the market generally all is the basic housing framework that utilizes traditional iodine tungsten Projecting Lamp, and tungsten iodine lamp bulb is changed into large-power light-emitting diodes.This Projecting Lamp makes the radiating effect of light fixture bad because the housing framework and the large-power light-emitting diodes of light fixture do not match, and influences the job stability of circuit, and reduced the service life of light fixture, and relative cost increases.

The utility model content

The technical problems to be solved in the utility model provides the better LED Projecting Lamp of a kind of radiating effect, not only makes large-power light-emitting diodes can access good heat radiation, and makes the LED Drive and Control Circuit not be subjected to its temperature effect.

For addressing the above problem, LED Projecting Lamp of the present utility model comprises loam cake, transparent glass, reflector, the led light source assembly, radiator, electric apparatus room, the PCB circuit board, and base assembly, the loam cake end face is provided with the printing opacity mouth, reflector is arranged in loam cake, the led light source assembly places the reflector bottom, the horn mouth of reflector is pressed in transparent glass the inboard of loam cake printing opacity mouth, electric apparatus room is installed on the base assembly, PCB circuit board and LED Drive and Control Circuit place in the electric apparatus room, power line is after the conversion of LED Drive and Control Circuit, insert the led light source assembly and form the circuit connection, radiator is the tubular structure of closed at both ends, the one end links to each other with loam cake, the other end links to each other with electric apparatus room by connector, the led light source assembly is close on the end face of radiator and forms thermo-contact, and the PCB circuit board is installed on the erection column that the electric apparatus room inner surface extends out, the end face of radiator, be respectively equipped with the cable-through hole that supply lines passes on connector and the electric apparatus room.

After having adopted above structure, lamp body loam cake and electric apparatus room are divided into two independently enclosure spaces by radiator, and draw back certain distance mutually, make led light source and LED drive the heat that electrical equipment produced and can not influence each other substantially, the led light source assembly can directly dispel the heat to the external world by radiator.

The outer wall of radiator can be provided with fin.Heat dispersion with further raising radiator.

Can be provided with groove on radiator and the end face that connector links to each other, connector is provided with the suitable boss of groove therewith.Adaptive groove and boss both played position-limiting action mutually, made things convenient for radiator and connector to locate when mounted again.

Can be equipped with sealing ring between the end face that loam cake is connected with radiator, end face that radiator is connected with connector and connector and end face that electric apparatus room is connected, the cable-through hole place on the electric apparatus room can be provided with water joint.Such structure makes this LED Projecting Lamp have water-proof function, can be applied to outdoor environment.

Base assembly is made up of firm banking and mobile base, connects by draw-in groove between the two, and mobile base can 360 ° of rotations on firm banking along the draw-in groove direction.Can realize the wholecircle Zhou Xuanzhuan of light fixture by the rotation of mobile base on firm banking.

Along the circumferential direction be provided with the step of a plurality of semicylinders on the firm banking, be connected with spring leaf on the mobile base, spring leaf is provided with the projection that is meshed with step.By the engagement of semicylinder step and spring leaf, can make light fixture remain on postrotational position.

Be connected by bolt between electric apparatus room and the mobile base, lamp body can rotate 0 °～90 ° around mobile base.After can making light fixture in plane, turn to the angle that needs like this, locate by fastening bolt perpendicular to base.

Description of drawings

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail:

Fig. 1 is the utility model LED Projecting Lamp STRUCTURE DECOMPOSITION schematic diagram.

Fig. 2 is the utility model LED Projecting Lamp cut-open view of final assembly.

Among the figure: 1 loam cake, 2 transparent glass, 3 reflectors, 4LED light source assembly, 5 radiators, 6 connectors, 7 electric apparatus rooms, 8 water joints, 9 mobile base, 10 spring leafs, 11 firm bankings, 12PCB circuit board, 13 electric apparatus room O type circles, 14 radiator O type circles, 15 loam cake O type circles.

The specific embodiment

As shown in Figures 1 and 2, this LED Projecting Lamp comprises loam cake 1, transparent glass 2, reflector 3, led light source assembly 4, radiator 5, electric apparatus room 7, PCB circuit board 12 and base assembly, loam cake 1 end face is provided with the printing opacity mouth, reflector 3 is arranged in loam cake 1, the led light source assembly places reflector 3 bottoms, and the horn mouth of reflector 3 is pressed in transparent glass 2 inboard of loam cake 1 printing opacity mouth.

Radiator 5 is the tubular structure of closed at both ends, has the cable-through hole that supply lines passes on the both ends of the surface, and its outer wall is provided with fin, and an end and loam cake be by being threaded, and end joints is with 15 sealings of loam cake O type circle; Adopt screw to be connected between the other end and the connector 6, the boss on the connector 6 matches with groove on the radiator 5 and locatees, and end joints usefulness radiator O type circle 14 seals.The led light source assembly is close on the end face of radiator 5 and forms thermo-contact, and the heat of led light source is directly distributed to the external world by radiator 5.

Electric apparatus room 7 is the cylinder of an end opening, and its openend adopts with connector 6 and is threaded, and O type circle 13 sealings in end joints electrical appliance chamber have cable-through hole on electric apparatus room 7 and the connector 6, and the cable-through hole place of electric apparatus room 7 is provided with water joint 8.PCB circuit board 12 is installed on the erection column that electric apparatus room 7 inner surfaces extend out, and the heat that electrical part work is sent can be delivered to the outer wall of electric apparatus room 7 by erection column, distributes to the external world.

Base assembly is made up of firm banking 11 and mobile base 9, and firm banking 11 is the semi open model cylinder, and its inner periphery is provided with groove, and mobile base 9 excircles are provided with projection, and projection matches with groove.The inboard, baseplane of firm banking 11 along the circumferential direction is provided with the step of a plurality of semicylinders, be connected with spring leaf 10 on the mobile base 9, spring leaf 10 is provided with the projection that is meshed with step, make mobile base 9 can on firm banking 11, do 360 ° of rotations, thereby make lamp body in being parallel to the plane of base, can make wholecircle Zhou Xuanzhuan.

Mobile base 9 is provided with the lug perpendicular to its end face, and the upper end of lug is connected by bolt with the bottom of electric apparatus room 7, makes lamp body can rotate 0 °～90 ° around the fulcrum of lug in perpendicular to the plane of base, to regulate the crevice projection angle of lamp holder.

This LED Projecting Lamp, its illuminalive power-supply circuit connects as follows: power line enters the electric apparatus room 7 that the LED Drive and Control Circuit is set through water joint 8, it draws the electric wire cable-through hole on connector 6 and radiator 5 again after the conversion of LED Drive and Control Circuit, insert the led light source assembly, form circuit and connect.The color of inner led light source determines according to concrete application need, and the welding electric wire connects or is packaged in heat-conducting substrate between single the light source, connects by the heat-conducting substrate surface wiring.

This LED small projecting light lamp can be applicable to outdoor environment, and degree of protection reaches IP65.Reflector can replace with lens, grid or other member, so long as functionally similar management device all falls into protection domain of the present utility model.

Claims

1, a kind of LED Projecting Lamp, comprise loam cake, transparent glass, reflector, the led light source assembly, radiator, electric apparatus room, PCB circuit board and base assembly, the loam cake end face is provided with the printing opacity mouth, reflector is arranged in loam cake, the led light source assembly places the reflector bottom, the horn mouth of reflector is pressed in transparent glass the inboard of loam cake printing opacity mouth, electric apparatus room is installed on the base assembly, PCB circuit board and LED Drive and Control Circuit place in the electric apparatus room, power line is after the conversion of LED Drive and Control Circuit, insert the led light source assembly and form the circuit connection, it is characterized in that described radiator is the tubular structure of closed at both ends, the one end links to each other with loam cake, the other end links to each other with electric apparatus room by connector, the led light source assembly is close on the end face of radiator and forms thermo-contact, and the PCB circuit board is installed on the erection column that the electric apparatus room inner surface extends out, the end face of radiator, be respectively equipped with the cable-through hole that supply lines passes on connector and the electric apparatus room.

2, LED Projecting Lamp according to claim 1 is characterized in that described radiator outer wall is provided with fin.

3, LED Projecting Lamp according to claim 1 is characterized in that the end face that described radiator links to each other with connector is provided with groove, and connector is provided with the suitable boss of groove therewith.

4, LED Projecting Lamp according to claim 1, it is characterized in that the end face that described loam cake is connected with radiator, be equipped with sealing ring between end face that radiator is connected with connector and connector and the end face that electric apparatus room is connected, the cable-through hole place on the electric apparatus room is provided with water joint.

5, LED Projecting Lamp according to claim 1 is characterized in that described base assembly is made up of firm banking and mobile base, connects by draw-in groove between the two, and mobile base can 360 ° of rotations on firm banking along the draw-in groove direction.

6, LED Projecting Lamp according to claim 5 is characterized in that along the circumferential direction being provided with on the described firm banking step of a plurality of semicylinders being connected with spring leaf on the mobile base, and spring leaf is provided with the projection that is meshed with step.

7, LED Projecting Lamp according to claim 5 is characterized in that being connected by bolt between described electric apparatus room and the mobile base, and lamp body can rotate 0 °～90 ° around mobile base.