CN201916746U

CN201916746U - LED spot lamp

Info

Publication number: CN201916746U
Application number: CN2010206719773U
Authority: CN
Inventors: 王平; 毛建亮; 黄永刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-12-21
Filing date: 2010-12-21
Publication date: 2011-08-03
Anticipated expiration: 2020-12-21

Abstract

The utility model discloses an LED spot lamp, which comprises an outer casing, a driving power supply, an aluminum substrate, a plurality of LED lamp bodies and a lens for secondary light distribution. The outer casing is provided with a lamp body containing cavity, a power supply containing cavity and a plurality of honeycomb holes annularly arranged on the outer side of the outer casing; the aluminum substrate is fixed into the lamp body containing cavity; the lens is fastened onto the outer end face of the lamp body containing cavity; and the driving power supply is fixed into the power supply containing cavity and electrically connected with the outside by the aid of a lead. The LED lamp bodies are fixed onto the aluminum substrate, the aluminum substrate is fixed to the bottom surface of the lamp body containing cavity, and the outer side of the lamp body containing cavity is provided with honeycomb holes for radiating. By the aid of the structure, the heat of the LED lamp bodies can be effectively conducted to the honeycomb holes, radiating efficiency is increased, and the complexity and the cost of a system are reduced.

Description

A kind of LED shot-light

Technical field

The utility model relates to a kind of LED light fixture, particularly a kind of LED shot-light.

Background technology

The LED shot-light is widely used in various fields as a kind of light source energy-conservation, high output.Just because of high power output has brought higher energy to scatter and disappear, these energy major parts of scattering and disappearing are converted into heat energy.These heat energy be if can't be expelled to external environment in good time, and the interface temperature that can cause led chip is too high and influence luminous intensity and service life.Therefore in the life-span that will improve LED, remove the thermal impedance that should reduce led module and also should consider the outside heat dissipation problem of LED.Described LED lamp is installed in the cavity of LED lampshade usually, so outside heat radiation also mainly is to set about from the heat radiation of LED lampshade.Having the inventor once to disclose a key name is a kind of LED shot-light (application number: patent application 200820104119.3), that described LED shot-light comprises is emitting led, led drive circuit plate and shot-light shell, set firmly the heat dissipation metal cover in the described shot-light shell, emitting led being fixed in the heat dissipating housing, the led drive circuit plate is arranged at the lamp housing root at interval between heat dissipating housing and the lamp housing, and the led drive circuit plate is electrically connected with emitting led by lead.Described LED shot-light adopts the structure that is embedded the heat dissipation metal cover in the lamp housing, and the high heat that produces when being installed in the LED work of heat radiation lampshade bottom like this can in time conduct, and has increased the service life of LED shot-light.But described LED shot-light needs embed complexity and the cost that a heat dissipation metal cover has improved structure in the enclosure again, and heat will just can conduct by shell eventually, and radiating efficiency is to be worth discussion.Therefore, prior art has further improved needs.

The utility model content

Technical problem to be solved in the utility model is to provide a kind of LED heat radiation light fixture, can reduce cost on the basis that guarantees radiating effect, makes lamp body structure compact more.

In order to solve above technical problem, technical solution adopted in the utility model is:

A kind of LED shot-light comprises shell, driving power, aluminium base, several LED lamp bodies and the lens that are used for secondary light-distribution, and described driving power is electrically connected with the LED lamp body, and described LED lamp body is fixing in the enclosure by aluminium base.Described shell is provided with the honeycomb hole that lamp body container cavity, power capacity chamber and several rings are located at the shell outside, described aluminium base is fixed in the lamp body container cavity, described lens are fastened on the lamp body container cavity outer face, described driving power is fixed in the power capacity chamber and by lead and is electrically connected with extraneous, and a tail-hood is fastened on the outer face, power capacity chamber.

Described LED lamp body is fixed on the aluminium base, and described aluminium base is fixed on lamp body container cavity bottom surface, and the outside of lamp body container cavity is provided with the honeycomb hole that is used to dispel the heat.The heat of LED lamp body effectively can be conducted on the honeycomb hole by this structure, improved radiating efficiency, reduced system complex degree and cost.

Be preferable over: described lens are provided with and the same number of flange of LED lamp body, and described flange top is provided with cylinder groove, and described cylinder groove wraps described LED lamp bar just.Described lens help to promote LED light extraction efficiency, change the optical system of the optical field distribution of LED.

Especially, described lens are the lens module.Described lens module can further be saved production cost, realizes the uniformity of product quality, saves light fixture mechanism space, the characteristics of easier realization " high-power ".

Be preferable over: described lampshade and tail-hood are composite ceramic material.

High-power LED shot-light product generally adopts metal shell at present, but with radiating surface and the direct conducting of the positive phase voltage of LED, makes metal shell have positive voltage, is unfavorable for installing and debugging.Though insulated paint is arranged, be a potential safety hazard all the time as protection.So preferably adopt composite ceramic material here, the heat conduction efficiency height of described material, and insulation effect is arranged.

The beneficial effects of the utility model are:

The utility model has been cancelled the heat dissipation metal cover, directly aluminium base is fixed on the shell, and described shell is designed to cellular hole, can improve radiating effect; Described shell preferably adopts composite ceramic material, can further improve the electric security and the heat-sinking capability of LED shot-light.

Description of drawings

Fig. 1 is the overall diagram of the utility model one preferred mode of implementing;

Fig. 2 is the explosive view of Fig. 1;

Fig. 3 is another explosive view of Fig. 1;

Fig. 4 is the cutaway view of Fig. 1.

The specific embodiment

Below in conjunction with accompanying drawing the novel non-limiting examples of this use is further described:

A kind of LED shot-light comprises shell 1, driving power 6, aluminium base 4, LED lamp body 3 and the lens 5 that are used for secondary light-distribution, and described driving power 6 is electrically connected with LED lamp body 3, and described LED lamp body 3 is fixed in the shell 1 by aluminium base 4.Described shell 1 is provided with the honeycomb hole 13 that lamp body container cavity 11, power capacity chamber 12 and several rings are located at the shell outside, described aluminium base 4 is fixed on lamp body container cavity 11 bottom surfaces, described lens 5 are fastened on lamp body container cavity 11 outer faces, described driving power 6 is fixed in the power capacity chamber 12 and by lead and is electrically connected with extraneous, and a tail-hood 2 is fastened on 12 outer faces, power capacity chamber.

In conjunction with Fig. 1,2, the utility model no longer adopts built-in metal heat sink, but aluminium base 4 is directly installed in the shell 1, and this structure can well conduct heat equally.Especially, can should be smooth as far as possible with lamp body container cavity 11 bottom surfaces, so that big as far as possible contact area is arranged, thereby improve conduction efficiency with aluminium base 4.

The utility model has no particular limits the concrete structure of aluminium base 4, but in order to realize the utility model preferably, need do further improvement to the concrete structure of aluminium base.In conjunction with Fig. 3, described aluminium base 4 is provided with a pair of through hole and a breach, corresponding a pair of installing hole and connecting hole of being provided with in the described lamp body container cavity 11, described through hole is corresponding with position of mounting hole, can aluminium base 4 can be fixed by a connecting pin, screw.Described breach and connecting hole position correspondence can be passed for lead.

Need to prove that the utility model adopts those of ordinary skills' common sense to the definition of aluminium base, should comprise aluminium base, copper base, iron substrate.

Described lens are provided with and LED lamp body 3 the same number of flanges 51, and described flange 51 tops are provided with cylinder groove, and described cylinder groove wraps described LED lamp bar 3 just.Described lens 5 have the various fixed mode, preferably at described lens and shell outer face correspondence three connecting holes are set, can be affixed by screw on the described connecting hole.

The utility model has no particular limits lens 5, but in order to satisfy the requirement of secondary lens, preferably adopts the lens of optical grade PMMA material.Described optical grade PMMA(formal name used at school: polymethyl methacrylate is commonly called as: production efficiency height acrylic), can finish by injection moulding, extrusion molding; The light transmittance height, penetrance about 93% during 3mm thickness.

In actual application, can use a plurality of LED lamp bodies 3 usually.So a plurality of flanges 51 need be arranged on the same lens.Can use the lens module at this, described lens module is finished the bull lens of an integral body with a plurality of single lens by injection moulding, can be designed to 3 by different demands and close 1,5 and close the lens module of 1 even tens unification; Also can be by holder combination together two independent lens.

Especially, described shell 1 and tail-hood 2 are composite ceramic material.Because aluminium base 4 presents positive phase voltage, and described aluminium base 4 directly is fixed on the shell 1, so shell 1 should have preferable insulating properties.And in order to guarantee the life-span of LED lamp body, the thermal conductivity of described shell 1 should be higher.At this, we preferably adopt composite ceramic material.

The above only is the specific embodiment of the present utility model.But the utility model protection domain is not limited thereto.Anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement; all should be encompassed within the protection domain of the present utility model, therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.

Claims

1. LED shot-light, comprise shell, driving power, aluminium base, the lens that several are installed in the LED lamp body on the aluminium base and are used for secondary light-distribution, described driving power is electrically connected with the LED lamp body, described aluminium base is fixing in the enclosure, it is characterized in that: described shell is provided with the lamp body container cavity, power capacity chamber and several rings are located at the honeycomb hole in the shell outside, described aluminium base is fixed on the lamp body container cavity bottom surface, described lens are fastened on the lamp body container cavity outer face, described driving power is fixed in the power capacity chamber, and a tailstock is fastened on the outer face, described power capacity chamber.

2. LED shot-light according to claim 1 is characterized in that: described lens are provided with and the same number of flange of LED lamp body, and described flange top is provided with cylinder groove, and described cylinder groove wraps described LED lamp bar just.

3. LED shot-light according to claim 1 is characterized in that: described shell and tailstock are composite ceramic material.