CN203190108U

CN203190108U - Led lamp

Info

Publication number: CN203190108U
Application number: CN 201320081232
Authority: CN
Inventors: 周贤和
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-02-22
Filing date: 2013-02-22
Publication date: 2013-09-11
Anticipated expiration: 2023-02-22

Abstract

The utility model discloses an LED lamp which is composed of a radiation body, an LED light source, an end cover, a contact pin, an LED lens and an LED driving circuit. The LED lamp is a few in accessories and simple in structure. The LED light source is arranged at one end of the radiation body, the end cover covers the other end of the radiation body, an accommodating cavity is formed in the radiation body, the LED driving circuit is positioned in the accommodating cavity, the LED light source is electrically connected with the LED driving circuit, the contact pin is vertically fixed on the end cover and electrically connected with the LED driving circuit, and the LED lens covers on the LED light source. The radiation body, the LED light source, the end cover, the contact pin, the LED lens and the LED driving circuit are mutually and compactly connected so as to reduce the size of the lamp to the maximum degree and achieve miniaturization of the LED lamp.

Description

The LED lamp

Technical field

The utility model relates to the LED lighting field, particularly a kind of LED lamp.

Background technology

At present, characteristics such as led light source is long, pollution-free with the life-span, light efficiency height are replace incandescent and fluorescent light just progressively, so occurred various with the LED light fixture of LED as light source.Because led light source can produce a large amount of heat when luminous, and the temperature of LED is very responsive, junction temperature raises can influence life-span, light efficiency, photochromic (wavelength), colour temperature, light shape (luminous intensity distribution) and the forward voltage of LED, maximum electric current, luminosity, colourity, electric parameter and the reliability etc. injected, so all can dispose a radiator in the LED light fixture; And the constant current drives of LED needs, so all can dispose suitable led drive circuit in the LED light fixture, the increase of radiator and led drive circuit increases the volume of LED light fixture, makes the miniaturization difficult design of LED light fixture

Therefore, how to simplify the structure of LED light fixture, rationally arrange the position relation of LED lamp fittings, the LED light fixture of realizing a kind of miniaturization is the technical problem that needs to be resolved hurrily in the industry.

Summary of the invention

Main purpose of the present utility model provides a kind of LED lamp, is intended to simplified structure, realizes connecting compactness between the accessory, and the maximized volume that reduces light fixture makes the miniaturization of LED light fixture.

The utility model proposes a kind of LED lamp, formed by radiator, led light source, end cap, contact pin, LED lens and led drive circuit, described led light source is installed in an end of described radiator, described end cap lid is located at the other end of described radiator, be provided with containing cavity in the described radiator, described led drive circuit is placed in the described containing cavity; Described led light source and described led drive circuit electrically connect, and described contact pin vertically is fixed on the described end cap, and electrically connect with described led drive circuit; Described LED lens cap is located on the described led light source.

Preferably, be provided with the light source mounting groove at an end of described radiator, described led light source is fixed in the described light source mounting groove.

Preferably, described led light source is bonded on the bottom surface of described light source mounting groove by the heat conduction viscose glue.

Preferably, described containing cavity is arranged on the below of described light source mounting groove, is provided with the wire through-hole that communicates with described containing cavity in the bottom surface of described light source mounting groove.

Preferably, described LED lens are lenticular collector lens, comprise that the upper surface is the light guide of inwardly recessed taper surface, cambered surface that the lower surface is downward protrusion and extends integrally formed sidewall downwards along the edge of described light guide, described sidewall forms the light source storage tank around the lower surface of described light guide.

Preferably, the internal face in described light source mounting groove is provided with first screw thread, is provided with second screw thread adaptive with described first screw thread at the sidewall of described LED lens, and described LED lens are fixing by being threaded with described light source mounting groove.

Preferably, described LED lens are printing opacity glass or acrylic material are made.

Preferably, described radiator is truncated cone-shaped heronsbill radiator, comprise heating column and be the radiating fin of radial setting around described heating column, form radiating groove at interval between the described radiating fin, be provided with the corresponding groove corresponding with described radiating groove position at described end cap; Described radiator is that aluminium, aluminium alloy, copper or Cu alloy material are made.

Preferably, one end of described led drive circuit is fixed in the described end cap, be connected and fixed by buckle structure between described end cap and the described radiator, described buckle structure comprises the cantilever hooks that is arranged on the described end cap sidewall and the annular screens that is arranged on the described radiator internal face.

Preferably, the internal face of an end that is connected with described end cap on described radiator is provided with stopper slot, is provided with the limited block adaptive with described stopper slot at described end cap sidewall.

The utility model LED lamp is made up of radiator, led light source, end cap, contact pin, LED lens and led drive circuit, and accessory is few, simple structure; Led light source is installed in an end of radiator, and the end cap lid is located at the other end of radiator, is provided with containing cavity in the radiator, and led drive circuit is placed in the containing cavity; Led light source and led drive circuit electrically connect, and contact pin vertically is fixed on the end cap, and electrically connects with led drive circuit; The LED lens cap is located on the led light source, interconnects compactness between radiator, led light source, end cap, contact pin, LED lens and the led drive circuit, and the volume that reduces light fixture of maximizing is realized the miniaturization of LED light fixture.

Description of drawings

Fig. 1 is the STRUCTURE DECOMPOSITION figure of LED lamp among the embodiment of the utility model LED lamp;

Fig. 2 is the vertical view of radiator among the embodiment of the utility model LED lamp;

Fig. 3 is the vertical view of end cap among the embodiment of the utility model LED lamp.

The realization of the utility model purpose, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.

The specific embodiment

Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.

Referring to figs. 1 through Fig. 3, an embodiment of the utility model LED lamp is proposed, this LED lamp is made up of radiator 30, led light source 20, end cap 40, contact pin 50, LED lens 10 and led drive circuit, and assembly is few, simple structure.Led light source 20 is installed in an end of radiator 30, and end cap 40 lids are located at the other end of radiator 30, are provided with containing cavity 302 in the radiator 30, and led drive circuit is placed in the containing cavity 302; Led light source 20 electrically connects with led drive circuit, 20 work of led drive circuit driving LED light source; Contact pin 50 vertically is fixed on the end cap 40, and electrically connects with led drive circuit, and contact pin 50 can insert in the socket of outside coupling, is used for being connected with external power source; LED lens 10 are located on the led light source 20, are used for optically focused; Interconnect compactness between radiator 30, led light source 20, end cap 40, contact pin 50, LED lens 10 and the led drive circuit, the volume that reduces light fixture of maximizing is realized the miniaturization of LED light fixture.

Radiator 30 can be made with aluminium, aluminium alloy, copper or the Cu alloy material of high heat conduction, and radiator in the present embodiment 30 is made by aluminum alloy materials, has high heat conduction, thermolysis.Radiator 30 is truncated cone-shaped heronsbill radiator, comprises heating column 300 and is the radiating fin 310 of radial setting around heating column 300, forms radiating groove 311 at interval between the radiating fin 310, is beneficial to radiator 30 and fully contacts with air, the raising radiating rate.Heating column 300 is one-body molded with radiating fin 310, this heating column 300 is the hollow setting, in heating column 300 horizontal one with the demarcation strip 303 of heating column 300 integrated moldings, demarcation strip 303 is arranged on the upper part of heating column 300, demarcation strip 303 is divided into light source mounting groove 301 and containing cavity 302 with the hollow space of heating column 300, demarcation strip 303 is the bottom surface of light source mounting groove 301 and the bottom surface of containing cavity 302, and demarcation strip 303 is made for aluminum alloy materials, has conductive force.Light source mounting groove 301 is arranged on the upper end of radiator 30, and containing cavity 302 is arranged on the lower end of radiator 30, and light source mounting groove 301 is used for installing led light source 20, and containing cavity 302 is used for placing led drive circuit.Led light source 20 is fixed in the light source mounting groove 301, led light source 20 is made up of aluminium base and the LED lamp pearl that is installed on the aluminium base, aluminium base is bonded on the bottom surface of light source mounting groove 301 by the heat conduction viscose glue, be that aluminium base is fitted on the demarcation strip 303, the heat that led light source 20 produces can conduct fast to the demarcation strip 303 with conductive force, by demarcation strip 303 heat is conducted to heating column 300 and radiating fin 310 again, by heating column 300 and radiating fin 310 heat is conducted, heat conduction is quick, good heat dissipation effect, thereby operate as normal and the service life of assurance led light source 20.

End cap 40 is made for plastic material, one end of led drive circuit is by the lower end of adhesive at end cap 40, end cap 40 lids are located at the lower end of radiator 30, led drive circuit is placed in the containing cavity 302, containing cavity 302 is arranged on the below of light source mounting groove 301, light source mounting groove 301 and containing cavity 302 are separated, and make led drive circuit and led light source 20 unrestricted mutually; Be provided with the wire through-hole that communicates with containing cavity 302 in the bottom surface of light source mounting groove 301, the lead that electrically connects with led light source 20 stretches into the containing cavity 302 from wire through-hole, and electrically connect with led drive circuit, thereby led light source 20 and led drive circuit are electrically connected.

Be connected and fixed by buckle structure between end cap 40 and the radiator 30, buckle structure comprises the cantilever hooks 401 that is arranged on the end cap 40 lower end sidewalls and the annular screens that is arranged on radiator 30 internal faces, cantilever hooks 401 has elasticity, when end cap 40 is installed, cantilever hooks 401 is buckled in the annular screens, thereby end cap 40 and radiator 30 are connected and fixed.The internal face of an end that is connected with end cap 40 on radiator 30 is provided with stopper slot 304, sidewall in end cap 40 lower ends is provided with the limited block 402 adaptive with stopper slot 304, before cantilever hooks 401 snaps in annular screens, need earlier limited block 402 to be alignd with stopper slot 304, cantilever hooks 401 could be snapped in annular screens then, the relative position between end cap 40 and the radiator 30 is fixed.Be provided with the corresponding groove 400 corresponding with radiating groove 311 positions at end cap 40, after the position relative fixed between end cap 40 and the radiator 30, radiating groove 311 aligns with corresponding groove 400, makes radiating groove 311 upper and lower perforations, can accelerate the circulation of air on radiator 30 surfaces, improve radiating rate.

Contact pin 50 is vertically fixed on the upper surface of end cap 40, end cap 40 is run through in the lower end of contact pin 50, thereby electrically connect with the led drive circuit of end cap 40 lower ends, contact pin 50 is provided with two, one is anodal contact pin 50, another root is negative pole contact pin 50, is used for being connected with external power source, can realize being connected of led drive circuit and external power source.

LED lens 10 are made for the glass of printing opacity or acrylic material, LED lens 10 are lenticular collector lens, comprise that the upper surface is the light guide of inwardly recessed taper surface, cambered surface that the lower surface is downward protrusion and extends integrally formed sidewall downwards along the edge of light guide, light guide is similar to convex lens, and sidewall forms the light source storage tank around the lower surface of light guide.Internal face in light source mounting groove 301 is provided with first screw thread, is provided with second screw thread adaptive with first screw thread at the sidewall of LED lens 10, and is fixing by being threaded between LED lens 10 and the light source mounting groove 301.When LED lens 10 were fastened on light source mounting groove 301, led light source 20 placed the light source storage tank of LED lens 10 lower ends, and the low-angle light that LED lamp pearl sends reflects through light guide, realized optically focused, thereby reduced vignette; And the edge of LED lens 10 can utilize total reflection principle, the sidelight of LED wide-angle is transformed in the required angular range, and by the taper surface of light guide upper end sidelight is all collected and reflected away, thereby reach the change luminous intensity distribution, the uniform purpose of outgoing, and the raising light extraction efficiency, effective brightness is improved.

The above only is preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.

Claims

1. LED lamp, it is characterized in that, formed by radiator, led light source, end cap, contact pin, LED lens and led drive circuit, described led light source is installed in an end of described radiator, described end cap lid is located at the other end of described radiator, be provided with containing cavity in the described radiator, described led drive circuit is placed in the described containing cavity; Described led light source and described led drive circuit electrically connect, and described contact pin vertically is fixed on the described end cap, and electrically connect with described led drive circuit; Described LED lens cap is located on the described led light source.

2. LED lamp according to claim 1 is characterized in that, is provided with the light source mounting groove at an end of described radiator, and described led light source is fixed in the described light source mounting groove.

3. LED lamp according to claim 2 is characterized in that, described led light source is bonded on the bottom surface of described light source mounting groove by the heat conduction viscose glue.

4. LED lamp according to claim 3 is characterized in that, described containing cavity is arranged on the below of described light source mounting groove, is provided with the wire through-hole that communicates with described containing cavity in the bottom surface of described light source mounting groove.

5. according to each described LED lamp in the claim 2 to 4, it is characterized in that, described LED lens are lenticular collector lens, comprise that the upper surface is the light guide of inwardly recessed taper surface, cambered surface that the lower surface is downward protrusion and extends integrally formed sidewall downwards along the edge of described light guide, described sidewall forms the light source storage tank around the lower surface of described light guide.

6. LED lamp according to claim 5, it is characterized in that, internal face in described light source mounting groove is provided with first screw thread, is provided with second screw thread adaptive with described first screw thread at the sidewall of described LED lens, and described LED lens are fixing by being threaded with described light source mounting groove.

7. LED lamp according to claim 6 is characterized in that, glass or acrylic material that described LED lens are printing opacity are made.

8. according to each described LED lamp in the claim 2 to 4, it is characterized in that, described radiator is truncated cone-shaped heronsbill radiator, comprise heating column and be the radiating fin of radial setting around described heating column, form radiating groove at interval between the described radiating fin, be provided with the corresponding groove corresponding with described radiating groove position at described end cap; Described radiator is that aluminium, aluminium alloy, copper or Cu alloy material are made.

9. LED lamp according to claim 8, it is characterized in that, one end of described led drive circuit is fixed in the described end cap, be connected and fixed by buckle structure between described end cap and the described radiator, described buckle structure comprises the cantilever hooks that is arranged on the described end cap sidewall and the annular screens that is arranged on the described radiator internal face.

10. LED lamp according to claim 9 is characterized in that, the internal face of an end that is connected with described end cap on described radiator is provided with stopper slot, is provided with the limited block adaptive with described stopper slot at described end cap sidewall.