CN202171185U

CN202171185U - Anti-explosion LED (Light Emitting Diode) lamp

Info

Publication number: CN202171185U
Application number: CN2011203131478U
Authority: CN
Inventors: 刘继胜; 刘平; 浦秋霞
Original assignee: Suzhou Zhongze Optoelectronics Technology Co Ltd
Current assignee: Suzhou Zhongze Optoelectronics Technology Co Ltd
Priority date: 2011-08-17
Filing date: 2011-08-17
Publication date: 2012-03-21
Anticipated expiration: 2021-08-17

Abstract

The utility model discloses an anti-explosion LED (Light Emitting Diode) lamp which is composed of a radiator, a junction box, an LED light source, a lamp shield and a drive power, wherein the lamp shield is arranged on the mounting surface of a heat transfer substrate of the radiator, the lamp shield is fixed by a pressing cover and forms a closed light source cavity with the heat transfer substrate, the LED light source is arranged in the light source cavity and is fixedly connected on the heat transfer substrate, a cup-shaped cavity of the radiator is closely matched and installed with the junction box to form a power cavity, the drive power is arranged in the power cavity, the output end of the drive power is connected with the positive pole and the negative pole of the LED light source, the input end of the drive power is connected with a connecting terminal inside a connecting line cavity, and the connecting line cavity is arranged at the top end of the lamp and is matched with and sealed by an endshield. The anti-explosion LED lamp can be used for replacing the traditional anti-explosion lamp and has the advantages of good lighting effect, long service life, low lumens depreciation, safety, reliability and the like; a via hole structure is formed among the cooling fins so as to improve the cooling efficiency through using the air natural convective circulation and effectively solve the problem of deposit of dust sundries on the mining occasion on the surface of the radiator.

Description

A kind of LED explosion-proof lamp

Technical field

The utility model relates to a kind of LED light fixture, definite a kind of LED explosion-proof lamp that is used for the specific occasion of saying so.

Background technology

LED since its efficient energy-saving, advantage such as durable in use and government department widely popularize and support is able to develop rapidly; LED illumination application product has related to road lighting, Landscape Lighting, tunnel illumination, illumination peculiar to vessel and room lighting etc. at present; Have much the situation that replaces the traditional lighting light fixture; Under this form, we will inevitably be faced with a green illumination revolution.Special occasions such as oil, chemical industry, mining site all adopt conventional light source with explosion-proof lamp; Light efficiency and life-span all can't mention in the same breath with the LED light fixture; Because existing LED light fixture does not reach the explosion-proof lamp related request in anticorrosion, protection and aspect such as explosion-proof; Therefore, to be fit to various inflammable and explosive and other special occasions will be the new problem of LED illuminating industry with explosion-proof lamp in exploitation.

Summary of the invention

In order to address the above problem, the utility model provides a kind of perforation integrated LED explosion-proof lamp, thereby realizes that LED is applied to special occasions such as oil, chemical industry, mining site.

The utility model for the technical scheme that solves its technical problem and adopt is:

A kind of LED explosion-proof lamp is made up of radiator, terminal box, led light source, light fixture guard shield and driving power, and the light fixture guard shield is installed on radiator heat transfer substrate installed surface, and the light fixture guard shield is fixed by gland; Light fixture guard shield and heat transfer substrate form airtight light-source chamber; Led light source is installed on and is fastenedly connected in the light-source chamber in heat transfer substrate, and radiator cup-shaped cavity and terminal box closely cooperate to install and form power source cavity, and driving power is installed in the power source cavity; Its output termination led light source both positive and negative polarity; Input is connected on the wire connection cavity internal wiring terminal, and wire connection cavity is positioned at the light fixture top, is cooperated and sealing by headkerchief.

Described radiator middle part is a cup-shaped cavity, and its base plate is a heat transfer substrate, and the heat transfer substrate bottom surface is an installed surface, and cup-shaped cavity periphery is established some fin.

Described terminal box base plate cooperates with radiator cup-shaped cavity installs formation driving power chamber; The base plate upper end is provided with terminal box, and base plate upper end terminal box periphery is laid fin, establishes binding post in the chamber; Wire connection cavity establish can be for convenience detach headkerchief, be provided with two on the wire connection cavity at least and take over screw sockets.

Described light fixture guard shield is processed equal thickness guard shield or non-equal thickness light-distribution lens by resin material or glass, has mechanical strength and chemical stability preferably.

Described led light source is that the integrated encapsulation of light emitting diode forms, and comprises both positive and negative polarity, thermal conductive surface and light-emitting area, and thermal conductive surface is led material by height and is processed also polishing, is close to aluminium base and installs.

Described driving power is a constant current voltage stabilizing dc driver, output electrical quantity and led light source coupling.

Described installed surface middle part is a smooth flat.

Described fin can be plane or curved surface, the general aluminium alloy of material, albronze or titanium magnadure class high thermal conductivity alloy material.

The beneficial effect of the utility model is:

This utility model replaces traditional explosion-proof lamp; Have high light efficiency, long-life, low light decay, advantage such as safe and reliable, traditional explosion-proof lamp generally adopts incandescent lamp and fluorescent lamp as light source, uses the incandescent lamp light efficiency always to have only every watt of 10 lumen; Life-span generally had only about 1000 hours; And light-source temperature is very high, about every watt of fluorescent lamp light efficiency 50 lumen, and have greater environmental impacts.The LED light efficiency is up to 100 lumens more than every watt; And the LED life-span can reach 50000 hours usually; The explosion-proof grade of more traditional explosion-proof lamp LED has long, series of advantages such as light efficiency is high, color and luster is soft of life-span, can effectively reduce maintenance capacity the service life of its overlength, reduce maintenance cost, and high light efficiency can be practiced thrift more and more nervous electric energy simultaneously; Demonstrate fully this theory of green illumination; For human energy crisis is made due contribution, form via structure between its fin and utilize the natural convection air circulation to improve radiating efficiency, can effectively solve the deposition of industrial and mineral occasion dust foreign material in spreader surface.

Description of drawings:

Fig. 1 is heat spreader structures sketch map I;

Fig. 2 is heat spreader structures sketch map II;

Fig. 3 is junction box structure sketch map I;

Fig. 4 is junction box structure sketch map II;

Fig. 5 is the utility model assembling sketch map;

Fig. 6 is the utility model structural representation.

Indication legend in the accompanying drawing

1, radiator 11, cup-shaped cavity 12, heat transfer substrate 13, fin 14, screw

2, terminal box 21, power pack base plate 22, bulge loop 23, bolt hole 24, fin

25, take over screw socket 3, led light source 4, light fixture guard shield 5, gland

6, driving power 7, terminal box headkerchief 8, lamp installation support

The specific embodiment

Like Fig. 1, shown in 2: radiator 1 is formed by the high thermal conductivity alloy material; The position, intermediate portion is a cup-shaped cavity 11; Its base plate is a heat transfer substrate 12, and the heat transfer substrate bottom surface is an installed surface, and cup-shaped cavity periphery is established some fin 13; The screw 14 that the setting of cup-shaped cavity perisporium is connected with the terminal box base plate, the while radiator can be set to hinge with terminal box or hasp is connected.

The installed surface middle part is a smooth flat, is used to install parts such as led light source and light fixture guard shield, can establish screw hole etc. on it and be connected and installed parts.

Fin can be plane or curved surface, the general aluminium alloy of material, albronze or titanium magnadure class high thermal conductivity alloy material.

Like Fig. 3, shown in 4: terminal box 2 base plates 21 are processed the bulge loop 22 that cooperates installation with radiator cup-shaped cavity; The base plate periphery is established the bolt hole corresponding with the radiator screw 23 or other attaching parts; Base plate upper end terminal box periphery is laid fin 24, terminal box open upper end place establish can be for convenience detach headkerchief 7 form wire connection cavities, establish binding post in the chamber; At least be provided with two on the terminal box and take over screw socket 25, connect the threading pipeline during lamp installation.

Led light source 3 forms for the integrated encapsulation of light emitting diode, comprises both positive and negative polarity, thermal conductive surface and light-emitting area, and thermal conductive surface is led by height that material is processed and polishing, is close to aluminium base and installs.

Light fixture guard shield 4 is processed equal thickness guard shield or non-equal thickness light-distribution lens by resin material or glass; Have mechanical strength and chemical stability preferably; Select the different light fixture guard shield of design can make light fixture realize different functions; Can be used for searchlight and indicate model etc. such as narrow angle luminous intensity distribution, wide-angle light-distribution is used for occasions such as illumination and floodlight, and some asymmetric luminous intensity distributions can be used for special occasions.

Driving power 5 is constant current voltage stabilizing dc driver, output electrical quantity and led light source coupling.

Like Fig. 5, shown in 6: a kind of LED explosion-proof lamp is made up of radiator 1, terminal box 2, led light source 3, light fixture guard shield 4, gland 5, driving power 6, terminal box headkerchief 7 and lamp installation support 8 etc., and the light fixture guard shield is installed on radiator heat transfer substrate installed surface, and the light fixture guard shield is fixed by gland; Light fixture guard shield and heat transfer substrate form airtight light-source chamber; Led light source is installed on and is fastenedly connected in the light-source chamber in heat transfer substrate, and radiator cup-shaped cavity and terminal box closely cooperate to install and form power source cavity, and driving power is installed in the power source cavity; Its output termination led light source both positive and negative polarity; Input is connected on the wire connection cavity internal wiring terminal, and wire connection cavity is positioned at the light fixture top, is cooperated and sealing by headkerchief; Can use 8 liftings of lamp installation support during lamp installation, the outlet of light fixture inlet wire is via threading pipeline on the terminal box.

Claims

1. a LED explosion-proof lamp is made up of radiator, terminal box, led light source, light fixture guard shield and driving power, it is characterized in that: the light fixture guard shield is installed on radiator heat transfer substrate installed surface; The light fixture guard shield is fixed by gland, and light fixture guard shield and heat transfer substrate form airtight light-source chamber, and led light source is installed on and is fastenedly connected in the light-source chamber in heat transfer substrate; Radiator cup-shaped cavity and terminal box closely cooperate to install and form power source cavity; Driving power is installed in the power source cavity, its output termination led light source both positive and negative polarity, and input is connected on the wire connection cavity internal wiring terminal; Wire connection cavity is positioned at the light fixture top, is cooperated and sealing by headkerchief.

2. a kind of LED explosion-proof lamp according to claim 1 is characterized in that: described radiator middle part is a cup-shaped cavity, and its base plate is a heat transfer substrate, and the heat transfer substrate bottom surface is an installed surface, and cup-shaped cavity periphery is established some fin.

3. a kind of LED explosion-proof lamp according to claim 1; It is characterized in that: described terminal box base plate cooperates with radiator cup-shaped cavity installs formation driving power chamber; The base plate upper end is provided with terminal box, and base plate upper end terminal box periphery is laid fin, establishes binding post in the chamber; Wire connection cavity establish can be for convenience detach headkerchief, be provided with two on the wire connection cavity at least and take over screw sockets.

4. a kind of LED explosion-proof lamp according to claim 1 is characterized in that: described light fixture guard shield is processed equal thickness guard shield or non-equal thickness light-distribution lens by resin material or glass, has mechanical strength and chemical stability preferably.

5. a kind of LED explosion-proof lamp according to claim 1 is characterized in that: described led light source is that the integrated encapsulation of light emitting diode forms, and comprises both positive and negative polarity, thermal conductive surface and light-emitting area, and thermal conductive surface is led material by height and is processed also polishing, is close to aluminium base and installs.

6. a kind of LED explosion-proof lamp according to claim 1 is characterized in that: described driving power is a constant current voltage stabilizing dc driver, output electrical quantity and led light source coupling.

7. a kind of LED explosion-proof lamp according to claim 2 is characterized in that: described installed surface middle part is a smooth flat.

8. a kind of LED explosion-proof lamp according to claim 2, it is characterized in that: described fin can be plane or curved surface, the general aluminium alloy of material, albronze or titanium magnadure class high thermal conductivity alloy material.