CN204100200U - A kind of LED lamp with radiator structure - Google Patents

A kind of LED lamp with radiator structure Download PDF

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Publication number
CN204100200U
CN204100200U CN201420546228.6U CN201420546228U CN204100200U CN 204100200 U CN204100200 U CN 204100200U CN 201420546228 U CN201420546228 U CN 201420546228U CN 204100200 U CN204100200 U CN 204100200U
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China
Prior art keywords
lamp housing
light source
radiator
led
lamp
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Application number
CN201420546228.6U
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Chinese (zh)
Inventor
陈兵
李伟波
张华�
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Ningbo Self Electronics Co Ltd
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Self Electronics Co Ltd
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Priority to CN201420546228.6U priority Critical patent/CN204100200U/en
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Abstract

The LED lamp with radiator structure comprises a hollow lamp housing, a light source mounting table, at least one linking arm, and a LED light source.Described lamp housing axially includes an air inlet and an air outlet along it, and described air inlet is more than or equal to the area of section of described air outlet along lamp housing radial direction along the area of section of lamp housing radial direction.Described linking arm is used for making described light source setting dish and envelope inner wall interval arrange and form vent passages.Described LED light source heating makes the air themperature of the inside of lamp housing rise and produces buoyancy upwards, air pressure also increases simultaneously, the then air flows upwards of air inlet side, and flow to air outlet by the vent passages between light source mounting table and envelope inner wall and flow out the outside of lamp housing.Simultaneously because air flows upwards forms suction force to air inlet air, make the air near air inlet enter the inside of lamp housing, so repeatedly, form effective free convection, the heat that LED produces is taken out of the outside of lamp housing, improve the life-span of great power LED.

Description

A kind of LED lamp with radiator structure
Technical field
The utility model relates to a kind of lighting system devices, particularly a kind of LED lamp with radiator structure.
Background technology
In general daily life, all can see various lighting apparatus everywhere, such as, fluorescent lamp, street lamp, desk lamp, artistic lamp etc.In above-mentioned lighting apparatus, major part is as illuminating source with osram lamp traditionally.In recent years, because science and technology is maked rapid progress, utilized light emitting diode (LED) as light sources.Notably, except lighting apparatus, for general traffic sign, billboard, car light etc., also all change into and use light emitting diode as illuminating source.As previously mentioned, use light emitting diode as illuminating source, its benefit is power saving, and brightness is larger, therefore generalization gradually in use.
Universal along with LED lamp, increasing occasion brings into use LED lamp, as market, hotel, at home.Particularly along with the development of LED chip technology, high-power chip such as power obtains considerable application more than the LED chip of 1W.Meanwhile, the heat that high-power LED chip produces also is doubled and redoubled, and this makes existing lamp cooling structure no longer applicable, causes the service life reduction of high-power LED chip, and power consumption increases.
Utility model content
In view of this, be necessary to provide a kind of can the LED lamp with radiator structure of good heat radiating, to overcome above-mentioned deficiency.
A kind of LED lamp with radiator structure comprises a hollow lamp housing, a light source mounting table be arranged in described hollow envelope inner wall, at least one is for connecting the linking arm of described envelope inner wall and light source mounting table, and a LED light source be arranged on described light source mounting table.Described lamp housing axially includes an air inlet and an air outlet along it, and described air inlet is more than or equal to the area of section of described air outlet along lamp housing radial direction along the area of section of lamp housing radial direction.Described linking arm is used for making described light source setting dish and envelope inner wall interval arrange and form vent passages.The light direction of described LED light source is towards described air inlet.
Compared with prior art, described LED light source heating makes the air themperature of the inside of lamp housing rise and produces buoyancy upwards, air pressure also increases simultaneously, the then air flows upwards of air inlet side, and flow to air outlet by the vent passages between light source mounting table and envelope inner wall and flow out the outside of lamp housing.Simultaneously because air flows upwards forms suction force to air inlet air, make the air near air inlet enter the inside of lamp housing, so repeatedly, form effective free convection, the heat that LED produces is taken out of the outside of lamp housing.And lamp housing also contacts with extraneous air, form free convection and radiation and convection, and being provided with of linking arm is beneficial to heat and is directly transmitted to fast on lamp housing.The summation of various radiating mode above, reaches the object of whole product being carried out to high efficiency cooling heat radiation, solves the shortcoming that high-powered LED lamp heat radiation is not enough, improves the life-span of great power LED.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described, wherein.
A kind of decomposition sectional structure schematic diagram with the LED lamp of radiator structure that Fig. 1 provides for the utility model.
The perspective view of the lamp housing that the LED lamp that what Fig. 2 was Fig. 1 have radiator structure has.
Fig. 3 is the perspective view of another angle of the lamp housing of Fig. 2.
Detailed description of the invention
Based on accompanying drawing, specific embodiment of the utility model is further elaborated below.Should be appreciated that specific embodiment described herein is only as embodiment, and be not used in restriction protection domain of the present utility model.
Refer to Fig. 1, its a kind of structural representation with the LED lamp 100 of radiator structure provided for the utility model.The described LED lamp 100 with radiator structure comprises a hollow lamp housing 10, a light source mounting table 11 be arranged on described hollow lamp housing 10 inwall, at least one is for connecting the linking arm 12 of described lamp housing 10 inwall and light source mounting table 11, and a LED light source 13 be arranged on described light source mounting table 11.It is understood, however, that described in there is radiator structure LED lamp 100 also comprise some other function element, as power module, assembling and some other ornamental module are installed.
As shown in Figure 2 and Figure 3, described lamp housing 10 is the barrel-like structure of a both ends open.Be arranged on light that the LED light source 13 in described lamp housing 10 sends penetrate from the requirement of lamp housing 10 according to user to allow, in this lamp housing 10, be provided with light direction, the light direction along described lamp housing 10 penetrates by the light that namely described LED light source 13 sends.In the present embodiment, the light direction of described lamp housing 10 overlaps with the central shaft of the lamp housing 10 of barrel-like structure.Described lamp housing 10 is a hollow barrel-type, and along the cross section of its axis being trapezoidal, can be also square, as rectangle.In the present embodiment, described lamp housing 10 is along the cross section of its axis being trapezoidal.Described lamp housing 10 can be made of metal, and as aluminium alloy, magnadure, fully to dispel the heat.Described lamp housing 10 comprises the air inlet 102 that a lamp body 101, is arranged on described lamp body 101 one end, and the air outlet 103 that relative with this air inlet 102.Described air inlet 102 and air outlet 103 are separately positioned on two openends of the lamp housing 10 of described both ends open.It is appreciated of course that this air inlet 102 and air outlet 103 strictly neither be positioned at the end of two openends of lamp housing 10, but near the end of two openends.Because described lamp housing 10 can be trapezoidal along the cross section of its axis, also can be square, therefore described air inlet 102 be more than or equal to the area of section of described air outlet 103 along lamp housing 10 radial direction along the area of section of lamp housing 10 radial direction.
Described light source mounting table 11 is for placing described LED light source 13, and it can become the physical bounds of described air inlet 102 and air outlet 103, because the heat carrier of heat that this light source mounting table 11 sends from LED light source 13 for first conduction.Described light source rotating disc 11 is arranged along the radial direction of lamp housing 10, and namely the radial direction of described light source mounting table 11 overlaps with the radial direction of lamp housing 10.The circumferential cross-section of described light source mounting table 11 is being as the criterion by accommodating following LED light source 13.Certainly flow in order to the spacer area increased between this light source mounting table 11 and inwall of lamp housing 10 is beneficial to air, the area of described light source mounting table 11 is the smaller the better, preferably with the contact area equal and opposite in direction of pyrotoxin.Described light source mounting table 11 also comprises one and is arranged on towards the hollow thermal column 111 of described air outlet 103 side, and it arranges following radiating fin 14 for connecting.
Described linking arm 12 can comprise one or more, its effect has two, one is connect described lamp housing 10 inwall and light source mounting table 11 to be assembled on described lamp housing 10 by this light source rotating disc 11, and another effect is heat in the described light source mounting table 11 of conduction and dispels the heat in the process of conducting.In the present embodiment, described linking arm 12 has multiple, arranges for making described light source setting table 11 and lamp housing 10 interval and forms vent passages.This vent passages is used for air and flows between air inlet 102 and air-out product 102.Based on above effect, described linking arm 12 also should be made up of metal material, as aluminium alloy, and magnadure etc.Described linking arm 12 conducts the conductor of the heat sent from LED light source 13 as second simultaneously, it has larger area of dissipation radiating effect by better, therefore, described linking arm 12 be on the axial cross section along lamp housing 10 respectively from light source mounting table 11 towards the sheet fin that air inlet 102 and air outlet 103 extend, simultaneously also along the radial direction extension of described lamp housing 10 to expand its area of dissipation.In order to easily manufactured, described lamp housing 10, light source mounting table 11 and this linking arm 12 can integrally casting shaping, namely cast by bidirectional knockout core.
Described LED light source 13 is fixedly installed on described light source mounting table 11.In order to form described air inlet 102, between this LED light source 13 and described hollow lamp housing 10, need interval.Those skilled in the art will appreciate that described LED light source 13 comprises a LED chip 131, reflector 132 be arranged on the light direction of described LED chip 131, and a lampshade 133 be fixedly installed on described lamp housing 10.Described LED chip 131 to be fixedly installed on light source mounting table 11 by securing members such as screws and its light direction towards air inlet 102, described lampshade 133 is fixedly installed on described lamp housing 10 by securing members such as screws, and reflector 132 and other supplementary structure parts are folded between described light source mounting table 11 and lampshade 133, thus have in the LED lamp 100 of radiator structure described in this LED light source 13 is fixed on.In this LED light source 13, described LED chip 131 is main thermal source, and the heat that described light source mounting table 11, connection arm 12 and lamp housing 10 distribute is namely from this LED chip 131.
The described LED lamp 100 with radiator structure also comprises the radiating fin 14 that at least one is arranged on air outlet 103 side of described lamp housing 10.Described radiating fin 14 is also made of metal conduct and dispel the heat.Described radiating fin 14 is arranged on the outside of described linking arm 12 and thermal column 111, thus while the intensity strengthening described light source mounting table 11, can expand area of dissipation, increases radiating effect.
At work, described LED light source 13 heating makes the air themperature of the inside of lamp housing 10 rise and produces buoyancy upwards, air pressure also increases simultaneously, the then air flows upwards of air inlet 102 side, and flow to air outlet 103 by the gap between light source mounting table 11 and lamp housing 10 inwall and flow out the outside of lamp housing 10.Simultaneously because air flows upwards forms suction force to air inlet 102 air, make the air near air inlet 102 carry out the inside of lamp housing 10, so repeatedly, form effective free convection, the heat that LED produces is taken out of the outside of lamp housing 10.And lamp housing 10 also contacts with extraneous air, form free convection and radiation and convection, and being provided with of linking arm 12 is beneficial to heat and is directly transmitted to fast on lamp housing 10.The summation of various radiating mode above, reaches the object of whole product being carried out to high efficiency cooling heat radiation, solves the shortcoming that high-powered LED lamp heat radiation is not enough.
In addition, described lamp housing 10, light source mounting table 11 and linking arm 12 can the shaping heat-sinking capability that makes of integrated design improve further, and light fixture amount of parts reduces further, and production technology is also simpler.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do in spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.

Claims (10)

1. one kind has the LED lamp of radiator structure, it is characterized in that: described in there is radiator structure LED lamp comprise a hollow lamp housing, a light source mounting table be arranged in described hollow envelope inner wall, at least one is for connecting the linking arm of described envelope inner wall and light source mounting table, and a LED light source be arranged on described light source mounting table, described lamp housing axially includes an air inlet and an air outlet along it, described air inlet is more than or equal to the area of section of described air outlet along lamp housing radial direction along the area of section of lamp housing radial direction, described linking arm is used for making described light source setting dish and envelope inner wall interval arrange and form vent passages, the light direction of described LED light source is towards described air inlet.
2. there is the LED lamp of radiator structure as claimed in claim 1, it is characterized in that: described lamp housing is a hollow barrel-type, and be trapezoidal in cross section vertically.
3. there is the LED lamp of radiator structure as claimed in claim 1, it is characterized in that: described lamp housing is a hollow barrel-type, and be square in cross section vertically.
4. have the LED lamp of radiator structure as claimed in claim 1, it is characterized in that: described light source mounting table is arranged along the radial direction of lamp housing, namely the described radial direction of light source mounting table overlaps with the radial direction of lamp housing.
5. there is the LED lamp of radiator structure as claimed in claim 1, it is characterized in that: described in there is radiator structure LED lamp comprise multiple spaced linking arm.
6. there is the LED lamp of radiator structure as claimed in claim 5, it is characterized in that: described linking arm along on the axial cross section of lamp housing for respectively towards the sheet fin that air inlet and air outlet extend.
7. there is the LED lamp of radiator structure as claimed in claim 5, it is characterized in that: described linking arm extends to expand area of dissipation along the radial direction of described lamp housing.
8. there is the LED lamp of radiator structure as claimed in claim 5, it is characterized in that: described in there is radiator structure LED lamp also comprise the radiating fin that at least one is arranged on the air outlet side of described lamp housing, this radiating fin is arranged between described light source mounting table and linking arm.
9. there is the LED lamp of radiator structure as claimed in claim 8, it is characterized in that: described light source mounting table also comprises one and is arranged on towards the hollow thermal column of air outlet, between the outside that described radiating fin is arranged on described thermal column and linking arm.
10. there is the LED lamp of radiator structure as claimed in claim 1, it is characterized in that: described air inlet is by the gap-forming between LED light source and described hollow lamp housing.
CN201420546228.6U 2014-09-22 2014-09-22 A kind of LED lamp with radiator structure Active CN204100200U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420546228.6U CN204100200U (en) 2014-09-22 2014-09-22 A kind of LED lamp with radiator structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420546228.6U CN204100200U (en) 2014-09-22 2014-09-22 A kind of LED lamp with radiator structure

Publications (1)

Publication Number Publication Date
CN204100200U true CN204100200U (en) 2015-01-14

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Family Applications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105444138A (en) * 2014-09-22 2016-03-30 宁波高新区赛尔富电子有限公司 LED lamp with heat dissipation structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105444138A (en) * 2014-09-22 2016-03-30 宁波高新区赛尔富电子有限公司 LED lamp with heat dissipation structure

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CP01 Change in the name or title of a patent holder

Address after: The national high tech Zone Juxian 315103 Ningbo Road, Zhejiang province No. 1345

Patentee after: SELF ELECTRONICS CO., LTD.

Address before: The national high tech Zone Juxian 315103 Ningbo Road, Zhejiang province No. 1345

Patentee before: SELF ELECTRONICS CO.,LTD.