CN201373279Y

CN201373279Y - LED mining lamp

Info

Publication number: CN201373279Y
Application number: CN200920105270U
Authority: CN
Inventors: 薛黎明; 国晓军
Original assignee: Rayspower New Energy Co Ltd
Current assignee: Rayspower Energy Group Co Ltd
Priority date: 2009-01-20
Filing date: 2009-01-20
Publication date: 2009-12-30
Anticipated expiration: 2019-01-20

Abstract

The utility model discloses an LED mining lamp which comprises an LED light-emitting unit, a lampshade and a reflector, wherein a radiator is fixedly connected on the reflector, the radiator comprises a bottom mounting table surface and radiation fins which are distributed along the circumferential direction of the surface, the lampshade is covered on the bottom mounting table surface in an airtight manner, and the LED light-emitting unit is fixedly arranged in a sealed cabin formed by the lampshade and the bottom mounting table surface. In the utility model, the LED mining lamp adopts the structural form of heat radiation by the overall embedded radiator, and the radiator is fixed with the reflector together for forming tight combination, thereby leading the reflector to also play the role of heat radiation, increasing heat radiation area, achieving heat radiation effect, improving heat radiation efficiency, leading an LED chip to be able to work at an appropriate environmental temperature for a long time and prolonging the service life of the LED.

Description

The LED bulkhead lamp capable

Technical field

The utility model relates to a kind of LED bulkhead lamp capable.

Background technology

In recent years; illuminating LED has had very big progress at cost, aspect of performance; compare with conventional light source; the LED lighting has advantages such as weak point long, start-up time in life-span, sound construction, energy-conservation, illuminator points of proximity light source, slim light fixture, light fixture material range of choice greatly, do not need to add reflector, low pressure, do not have ultra-violet radiation, use is safer in PE; and the production of led light source can realize mercuryless, and is significant for environmental protection and energy savings.

But because LED is photoelectric device, have only 15%～25% electric energy to convert luminous energy in its course of work, remaining electric energy nearly all converts heat energy to, and the temperature of LED light fixture is raise.Especially in high-power LED lamp, caloric value is very big, high-power LED lamp in use often occurs and decays owing to overheated.

The utility model content

At the problem that prior art exists, the purpose of this utility model is to provide the LED bulkhead lamp capable of a kind of simple in structure, good illumination effect, good heat dissipation.

For achieving the above object, the utility model LED bulkhead lamp capable, comprise LED luminescence unit, lampshade and reflection shield, wherein be fixedly connected with radiator on the reflection shield, this radiator comprises the radiating fin that the bottom is installed table top and circumferentially distributed along its surface, the lampshade enclosed hood is buckled in the bottom of radiator and installs on the table top, and the LED luminescence unit is fixedly installed on the bottom that lampshade seals and installs on the table top.

Further, described reflection shield comprises reflective surface and along the outward extending installation portion in reflective surface center, described radiator is arranged in the installation portion, and is close to mutually with the installation portion inwall, makes the two heat conduction good.

Further, described installation portion is a cylindrical shape, radiating fin on the described radiator radially is provided with along bulkhead lamp capable, the outer margin contour of described radiating fin is cylindrical, described radiator is inserted solid inside at described installation portion, and the radially outer edge of described radiating fin and described installation portion inwall are close to setting mutually, make the two heat conduction good.

Further, described installation portion sidewall is provided with louvre, and the gap that forms between the described radiating fin communicates with this louvre; The gap that is upwards formed by described radiating fin in week of table top is installed in gap between louvre, the described radiating fin, described bottom, forms air communication channel, and the heat of described heat sink radiates can be discharged by this air communication channel.

Further, the bottom of described lampshade and described radiator is installed between the table top and is provided with silica gel sealing ring.

Further, be provided with light shield between described lampshade and the described LED luminescence unit, this light shield is installed on the edge of described LED luminescence unit, and described lampshade is fitted on this light shield, by fastening described lampshade and described bottom table top is installed, is made light shield fix.

Further, described lampshade is made with resistant to elevated temperatures PC transparent plastic.

Further, described reflection shield is made by the technology of aluminium sheet one-off drawing moulding, and the surfaces externally and internally of reflection shield all passes through oxidation processes, uniformly on the reflection shield inwall is provided with reflective small boss.

Further, also be provided with the constant-current source that is used to provide stable suitable voltage, electric current in the described installation portion.

Further, also be provided with the fixed lamp-socket that is used for fixing the LED bulkhead lamp capable on the described installation portion.

The frame mode of edge radiator entire body heat radiation in the utility model LED bulkhead lamp capable adopts, radiator and reflection shield are fixed together and make it and combine closely, make reflection shield also play the effect of heat radiation, increased area of dissipation, thereby reached radiating effect, improve radiating efficiency, led chip can be operated among the suitable environment temperature for a long time, prolonged the service life of LED.

Description of drawings

Fig. 1 is the utility model front view;

Fig. 2 is the utility model cutaway view;

Fig. 3 is the utility model rearview;

Fig. 4 is the structural representation of reflection shield.

The specific embodiment

As shown in Figures 1 to 4, the utility model LED bulkhead lamp capable, comprise LED luminescence unit 5, lampshade 3 and reflection shield 1, wherein be fixedly connected with radiator 2 on the reflection shield 1, radiator 2 comprises the radiating fin 22 that the bottom is installed table top 21 and circumferentially distributed along its surface, lampshade 3 enclosed hoods are buckled in the bottom and install on the table top 21, and LED luminescence unit 5 is fixedly installed on the bottom that lampshade 3 sealed and installs on the table top 21.

Reflection shield 1 comprises reflective surface 14 and the outward extending installation portion 15 along the reflective surface center, installation portion 15 is a cylindrical shape, uniformly on reflection shield 1 inwall be provided with reflective small boss 17, radiating fin 22 on the radiator 2 radially is provided with along bulkhead lamp capable, the outer margin contour of radiating fin 22 is cylindrical, and radiator 2 is inserted solid in the inside of installation portion 15, and the radially outer edge of radiating fin 22 and installation portion 15 inwalls are close to setting mutually, make the two heat conduction good, make reflection shield 1 have thermolysis.Reflection shield 1 also has the effect of the structure installation frame of reflection ray, dustproof, waterproof and whole light fixture.The end of installation portion 15 has a circular hole, and this circular hole is in order to install and fix lamp socket 8, and fixed lamp-socket 8 provides the fixed platform of installing and using suspention for whole bulkhead lamp capable.Installation portion 15 sidewalls are provided with louvre 13, and the gap that forms between the radiating fin 22 communicates with louvre 13; Wherein, the gap that is upwards formed by radiating fin 22 in week of table top 21 is installed in the gap between louvre 13, the radiating fin 22, bottom, has formed air communication channel, and the heat that radiator 2 distributes can be discharged by this air communication channel.

Radiator 2 comprises the radiating fin 22 that the bottom is installed table top 21 and circumferentially distributed along its surface, and radiating fin 22 radially is provided with along bulkhead lamp capable, makes to do well out of circulation of air, is convenient to heat radiation.LED luminescence unit 5 is fixedly mounted on the bottom and installs on the table top 21, and is provided with heat conductive silica gel between LED luminescence unit 5 and the bottom installation table top 21.The bottom is installed and is offered the special-purpose ellipse annular groove that silica gel sealing ring 6 is installed on the table top 21; after lampshade 3 is installed on the bottom installation table top 21; by press-fiting silica gel sealing ring 6 is installed; make lampshade 3 and bottom install between the table top 21 and form sealed compartment; protection LED luminescence unit 5 is not by accidental damage; and play the effect of sealing, dustproof, waterproof, explosion-proof, isolated outside air; lampshade 3 adopts high temperature resistant PC transparent plastic to make; the surface smoothness height; higher light transmittance is arranged, for LED luminescence unit 5 provides good printing opacity carrier.

Also be provided with constant-current source 7 in the installation portion 15, this constant-current source 7 is installed on the special-purpose boss that is provided with on the radiator 2, and constant-current source 7 is stablized suitable voltage and current for LED luminescence unit 5 provides, and makes LED luminescence unit 5 operate as normal for a long time.

Be provided with light shield 4 between lampshade 3 and the LED luminescence unit 5, light shield 4 is installed on the edge of LED luminescence unit 5, and lampshade 3 is fitted on the light shield 4, by fastening lampshade 3 and bottom table top 21 is installed, and makes that light shield 4 is fixing.Light shield 4 is used to protect LED luminescence unit 5, blocks the exposed part of chip wiring simultaneously, makes the bulkhead lamp capable outward appearance more attractive in appearance.

The utility model LED bulkhead lamp capable assembling mode is:

At first, the rubber waterproof pad of fixed lamp-socket 8 is placed on the circular hole of the end of installation portion 15 offering, then the first half of fixed lamp-socket 8 is enclosed within the circular hole of the end of installation portion 15 offering, is installed together by screw thread with the first half after the latter half of fixed lamp-socket 8 being passed the inner chamber of installation portion 15.

The bottom that is fixedly mounted on radiator 2 with screw 10 is evenly smeared behind the heat conductive silica gel at the back side of LED luminescence unit 5 installs on the table top 21.And the special-purpose guide hole that lead is installed on the table top 21 from the bottom drawn.

Constant-current source 7 is installed on the special-purpose raised platforms that is provided with on the radiator 2, and effectively fixing with screw 11.

The lead-out wire of LED luminescence unit 5 is received by the principle of both positive and negative polarity wiring on respective terminal of output of constant-current source 7.Suitably long AC power cord is received on respective terminal of constant-current source 7 inputs.

With light shield 4 spiral-locks on LED luminescence unit 5, silica gel sealing ring 6 is placed into the bottom to be installed in the ellipse annular groove that is provided with on the table top 21, then lampshade 3 usefulness screws 9 are fixedly mounted on the bottom and install on the table top 21, and light shield 4 closely is fixed on the LED luminescence unit 5 with the end opening edge of lampshade 3.

AC power cord is passed from the penetration pipe of fixed lamp-socket 8, and the inside that radiator 2 assemblies that assemble are put into installation portion 15 compressed, make it tight contact, and fixing threaded hole is aimed at fixing hole 16 on the reflection shield 1, in fixing hole 16, add cartridge screw 12, with fixed heat sink 2.

Easy to use, of a tightly knit structure, light illumination advantage of higher that the utility model LED bulkhead lamp capable has.It adopts single high-power LED chip to do light source, and reflection shield adopts the parabola mode, the reflective boss circular array of interior edge, and therefore illuminated surperficial ghost image degree is little, irradiation brightness is high, the illumination good evenness.The utility model LED bulkhead lamp capable can be used as tunnel illumination, stage illumination, lighting, field construction illumination, road lighting, various workshop, production line assembling table top, large-scale underground parking factory, storage illumination etc.It is simple in structure, and outward appearance is succinct, saves electric power, and is safe and reliable, is a kind of desirable novel green lighting, and the prospect of using is very widely arranged.The frame mode of edge radiator entire body heat radiation in the utility model adopts, radiator is installed in the circular cone inside of reflection shield upper top, conical surface has the slotted hole that is used to dispel the heat, the radiating fin vertical array, the characteristics that can utilize hot-air upwards to flow, naturally the air that forms from bottom to top between heat radiator fin flows, and hot-air is discharged from the slotted hole of reflection shield upper lobes part both sides.Radiator and reflection shield are fixed together and make it and combine closely.Reflection shield has been formed the part of radiator, has increased area of dissipation, thereby has reached radiating effect, has improved radiating efficiency.The LED luminescence unit is directly installed on the special-purpose mounting plane of radiator; and mounting plane combines together with heat radiator fin and directly links to each other; the heat that the LED luminescence unit is produced can conduct fast to heat radiator fin; thereby reached the purpose of heat radiation; protected the fluorescent material of LED luminescence unit effectively; prolong the light decay time of LED luminescence unit, the LED luminescence unit can be operated among the suitable environment temperature for a long time, prolong the service life of LED luminescence unit.The utility model adopts high-intensity transparent PC material to make lampshade, have high temperature resistant and explosion-proof characteristics, the LED luminescence unit uses custom-designed constant current source power supply, it provides stable voltage and current for the LED luminescence unit, and reflection shield adopts the technology of high strength aluminium sheet one-off drawing moulding to make the intensity height, good heat conductivity, and the reflection shield surfaces externally and internally carried out oxidation processes, make the reflection shield surface Paint Gloss, the reflection of favourable light.Also improved simultaneously the erosion-resisting ability of reflection shield surface acid and alkali-resistance.

Claims

1, LED bulkhead lamp capable, comprise LED luminescence unit, lampshade and reflection shield, it is characterized in that, be fixedly connected with radiator on the reflection shield, this radiator comprises the radiating fin that the bottom is installed table top and circumferentially distributed along its surface, the lampshade enclosed hood is buckled in the bottom of radiator and installs on the table top, and the LED luminescence unit is fixedly installed on the bottom that lampshade seals and installs on the table top.

2, LED bulkhead lamp capable as claimed in claim 1 is characterized in that, described reflection shield comprises reflective surface and along the outward extending installation portion in reflective surface center, described radiator is arranged in the installation portion, and is close to mutually with the installation portion inwall, makes the two heat conduction good.

3, LED bulkhead lamp capable as claimed in claim 2, it is characterized in that, described installation portion is a cylindrical shape, radiating fin on the described radiator radially is provided with along bulkhead lamp capable, the outer margin contour of described radiating fin is cylindrical, described radiator is inserted solid in the inside of described installation portion, and the radially outer edge of described radiating fin and described installation portion inwall be close to setting mutually, makes the two heat conduction good.

4, LED bulkhead lamp capable as claimed in claim 3 is characterized in that, described installation portion sidewall is provided with louvre, and the gap that forms between the described radiating fin communicates with this louvre; The gap that is upwards formed by described radiating fin in week of table top is installed in gap between louvre, the described radiating fin, described bottom, forms air communication channel, and the heat of described heat sink radiates can be discharged by this air communication channel.

5, LED bulkhead lamp capable as claimed in claim 1 is characterized in that, the bottom of described lampshade and described radiator is installed between the table top and is provided with silica gel sealing ring.

6, LED bulkhead lamp capable as claimed in claim 1, it is characterized in that, be provided with light shield between described lampshade and the described LED luminescence unit, this light shield is installed on the edge of described LED luminescence unit, and described lampshade is fitted on this light shield, by fastening described lampshade and described bottom table top is installed, is made light shield fix.

7, LED bulkhead lamp capable as claimed in claim 1 is characterized in that, described lampshade is made with resistant to elevated temperatures PC transparent plastic.

8, LED bulkhead lamp capable as claimed in claim 1 is characterized in that, described reflection shield is made by the technology of aluminium sheet one-off drawing moulding, and the surfaces externally and internally of reflection shield all passes through oxidation processes, uniformly on the reflection shield inwall is provided with reflective small boss.

9, LED bulkhead lamp capable as claimed in claim 1 is characterized in that, also is provided with the constant-current source that is used to provide stable suitable voltage, electric current in the described installation portion.

10, LED bulkhead lamp capable as claimed in claim 1 is characterized in that, also is provided with the fixed lamp-socket that is used for fixing the LED bulkhead lamp capable on the described installation portion.