CN201487735U - LED street lamp - Google Patents

LED street lamp Download PDF

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Publication number
CN201487735U
CN201487735U CN2009201908969U CN200920190896U CN201487735U CN 201487735 U CN201487735 U CN 201487735U CN 2009201908969 U CN2009201908969 U CN 2009201908969U CN 200920190896 U CN200920190896 U CN 200920190896U CN 201487735 U CN201487735 U CN 201487735U
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CN
China
Prior art keywords
heat
radiation
heat sink
street lamp
led
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2009201908969U
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Chinese (zh)
Inventor
邵洪永
Original Assignee
邵洪永
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 邵洪永 filed Critical 邵洪永
Priority to CN2009201908969U priority Critical patent/CN201487735U/en
Application granted granted Critical
Publication of CN201487735U publication Critical patent/CN201487735U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

Abstract

The utility model relates to an LED street lamp, which comprises a plurality of LED lamps arranged in radiation cylinders respectively, a first radiation plate and a second radiation plate, wherein the first radiation plate is positioned under the second radiation plate, the radiation cylinders are arranged on the lower surface of the first radiation plate, and the first radiation plate and the second radiation pate are connected by radiation columns; and convection radiation space is reserved between the radiation cylinders, and the radiation cylinders, the first radiation plate, the second radiation plate and the radiation columns are all exposed in the air. The heat generated in the light emission of the LED is transferred to the radiation cylinders, the first radiation plate, the radiation columns and the second radiation plate. Meanwhile, the radiation cylinders, the first radiation plate, the second radiation plate and the radiation columns are all exposed in the air and the convection radiation space is reserved between the radiation cylinders and between the radiation columns, so convection radiation is realized. Therefore, the LED street lamp has the advantages that: the radiation performance is excellent; and the service life of the LED street lamp is greatly prolonged.

Description

A kind of LED street lamp
(1) technical field
The utility model relates to a kind of LED street lamp.
(2) background technology
LED in the application of each lighting field more and more widely, but LED in use can produce a large amount of heats, its heat dissipation problem is a principal element that limits its use always.Specific to the LED street lamp, equally also there is the problem that how heat is distributed as early as possible.Existing LED street lamp all is enclosed in led light source in the one airtight thimble, the heat of the luminous generation of LED dispels the heat by heat conducting mode basically fully, its radiating efficiency is very low, has had a strong impact on the service life of LED thus, and its energy-saving effect is also also not obvious.
(3) summary of the invention
In order to overcome the deficiency of existing LED road lamp cooling weak effect, the utility model provides a kind of LED streetlamp with favorable radiating effect.
The technical scheme in the invention for solving the technical problem is: a kind of LED street lamp, comprise several LED lamps, and described LED lamp is installed in the heat-dissipating cylinder respectively; Also comprise first heat sink and second heat sink, described first heat sink is positioned at the below of described second heat sink, described heat-dissipating cylinder is installed on the lower surface of described first heat sink, connects by thermal column between described first heat sink and second heat sink; Have the heat loss through convection space between described heat-dissipating cylinder and the heat-dissipating cylinder, described heat-dissipating cylinder, first heat sink, second heat sink and thermal column all are exposed in the air.
Further, described thermal column has several, and the heat loss through convection space is also arranged between the described thermal column.
Further, described heat-dissipating cylinder, first heat sink, second heat sink, thermal column are aluminium matter.
Further, the upper surface of described second heat sink also is provided with and is used for the LED street lamp is installed in installation portion on the light pole.
The utility model also has following additional technical feature: described LED lamp comprises the thimble and the led light source of an end opening, and described led light source is positioned at described thimble and towards the opening of described thimble; Also comprise lens and pressing ring, described pressing ring cowling is located on the openend of described thimble, and the lower end of described lens is buckled on the described led light source, and the upper end of described lens is pushed down by described pressing ring.
Be provided with sealing ring between described pressing ring and the described thimble.
Described sealing ring has downward tube, and described lens insert in the described downward tube, and these lens have bulge loop, and the inwall of described downward tube has scrobicular ring, and the bulge loop of described lens snaps in the described scrobicular ring.
Be connected by attachment screw between described pressing ring and the described thimble.
The beneficial effects of the utility model are: the luminous heat that produces of LED is passed to heat-dissipating cylinder, the heat of heat-dissipating cylinder can be passed to first heat sink again, the heat of first heat sink can be passed to thermal column again, and the heat of thermal column can be passed to second heat sink again.Simultaneously, heat-dissipating cylinder, first heat sink, second heat sink and thermal column all are exposed in the air, and between heat-dissipating cylinder and the heat-dissipating cylinder, have the heat loss through convection space between the thermal column, therefore also can realize heat loss through convection.Therefore, heat dispersion of the present utility model is quite good, can prolong the service life of LED street lamp greatly.
(4) description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation after the utility model is installed on the light pole.
Fig. 3 is the structural representation of LED lamp.
Fig. 4 is the structural representation of another kind of LED lamp.
(5) specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
With reference to Fig. 1, Fig. 2, Fig. 3, a kind of LED street lamp comprises several LED lamps 1, and described LED lamp 1 is installed on respectively in the heat-dissipating cylinder 2.
In the present embodiment, described LED lamp 1 comprises the thimble 4 and the led light source 3 of an end opening, and described led light source 3 is positioned at described thimble 4 and towards the opening of described thimble 4; Also comprise lens 5 and pressing ring 6, described pressing ring 6 lids are located on the openend of described thimble 4, are connected by attachment screw 7 between described pressing ring 6 and the described thimble 4.The lower end of described lens 5 is buckled on the described led light source 3, and the upper end of described lens 5 is pushed down by described pressing ring 6.Be provided with sealing ring 8 between pressing ring 6 and the described thimble 4 to obtain better water resistance.
The thimble 4 of LED lamp is screwed after being nested in the heat-dissipating cylinder 2.Certainly also can adopt additive method to fix, as interference connect, bonding etc.
Also comprise first heat sink 9 and second heat sink 10, described first heat sink 9 is positioned at the below of described second heat sink 10, the lower surface that described heat-dissipating cylinder 2 is installed on described first heat sink 9 (adopts screw to connect, certainly can adopt also that other modes such as interference are inserted in, method such as bonding connects, also can adopt the mode of first heat sink and heat-dissipating cylinder one), connect by several thermal columns 11 between described first heat sink 9 and second heat sink 10; Have the heat loss through convection space between described heat-dissipating cylinder and the heat-dissipating cylinder, the heat loss through convection space is also arranged between the described thermal column.Described heat-dissipating cylinder 2, first heat sink 9, second heat sink 10 and thermal column 11 all are exposed in the air.
In the present embodiment, described heat-dissipating cylinder 2, first heat sink 9, second heat sink 10, thermal column 11 are aluminium matter.
In the present embodiment, the upper surface of described second heat sink 10 also is provided with and is used for the LED street lamp is installed in installation portion 13 on the light pole 12, is convenient to the utility model is installed on the light pole 12.
The luminous heat that produces of LED is passed to heat-dissipating cylinder 2, and the heat that the heat of heat-dissipating cylinder 2 can be passed to first heat sink, 9, the first heat sinks 9 again can be passed to thermal column 11 again, and the heat of thermal column 11 can be passed to second heat sink 10 again.Simultaneously, heat-dissipating cylinder 2, first heat sink 9, second heat sink 10 and thermal column 11 all are exposed in the air, and between heat-dissipating cylinder and the heat-dissipating cylinder, have the heat loss through convection space between the thermal column, therefore also can realize heat loss through convection.Therefore, heat dispersion of the present utility model is quite good, can prolong the service life of LED street lamp greatly.
With reference to Fig. 4, described sealing ring 8 also can be set and prolong tube, and described lens 5 insert in the described downward tube, and these lens 5 have bulge loop, and the inwall of described downward tube has scrobicular ring, and the bulge loop of described lens 5 snaps in the described scrobicular ring, and so then lens are more stable.

Claims (9)

1. a LED street lamp comprises several LED lamps, it is characterized in that: described LED lamp is installed in the heat-dissipating cylinder respectively;
Also comprise first heat sink and second heat sink, described first heat sink is positioned at the below of described second heat sink, described heat-dissipating cylinder is installed on the lower surface of described first heat sink, connects by thermal column between described first heat sink and second heat sink;
Have the heat loss through convection space between described heat-dissipating cylinder and the heat-dissipating cylinder, described heat-dissipating cylinder, first heat sink, second heat sink and thermal column all are exposed in the air.
2. LED street lamp as claimed in claim 1 is characterized in that: described thermal column has several, and the heat loss through convection space is also arranged between the described thermal column.
3. LED street lamp as claimed in claim 1 or 2 is characterized in that: described heat-dissipating cylinder, first heat sink, second heat sink, thermal column are aluminium matter.
4. LED street lamp as claimed in claim 1 or 2 is characterized in that: the upper surface of described second heat sink also is provided with and is used for the LED street lamp is installed in installation portion on the light pole.
5. LED street lamp as claimed in claim 3 is characterized in that: the upper surface of described second heat sink also is provided with and is used for the LED street lamp is installed in installation portion on the light pole.
6. LED street lamp as claimed in claim 1 or 2 is characterized in that: described LED lamp comprises the thimble and the led light source of an end opening, and described led light source is positioned at described thimble and towards the opening of described thimble;
Also comprise lens and pressing ring, described pressing ring cowling is located on the openend of described thimble, and the lower end of described lens is buckled on the described led light source, and the upper end of described lens is pushed down by described pressing ring.
7. LED street lamp as claimed in claim 6 is characterized in that: be provided with sealing ring between described pressing ring and the described thimble.
8. LED street lamp as claimed in claim 7, it is characterized in that: described sealing ring has downward tube, and described lens insert in the described downward tube, and these lens have bulge loop, the inwall of described downward tube has scrobicular ring, and the bulge loop of described lens snaps in the described scrobicular ring.
9. LED street lamp as claimed in claim 7 is characterized in that: be connected by attachment screw between described pressing ring and the described thimble.
CN2009201908969U 2009-08-07 2009-08-07 LED street lamp Expired - Fee Related CN201487735U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201908969U CN201487735U (en) 2009-08-07 2009-08-07 LED street lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009201908969U CN201487735U (en) 2009-08-07 2009-08-07 LED street lamp

Publications (1)

Publication Number Publication Date
CN201487735U true CN201487735U (en) 2010-05-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009201908969U Expired - Fee Related CN201487735U (en) 2009-08-07 2009-08-07 LED street lamp

Country Status (1)

Country Link
CN (1) CN201487735U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102392947A (en) * 2011-11-21 2012-03-28 伊雷克电器(宁波)有限公司 LED (light emitting diode) pattern assembly structure
CN108443722A (en) * 2018-03-12 2018-08-24 东莞市闻誉实业有限公司 Radiator and light emitting structure
CN108470525A (en) * 2018-03-12 2018-08-31 东莞市闻誉实业有限公司 Two-sided display screen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102392947A (en) * 2011-11-21 2012-03-28 伊雷克电器(宁波)有限公司 LED (light emitting diode) pattern assembly structure
CN102392947B (en) * 2011-11-21 2013-06-05 伊雷克电器(宁波)有限公司 LED (light emitting diode) module structure
CN108443722A (en) * 2018-03-12 2018-08-24 东莞市闻誉实业有限公司 Radiator and light emitting structure
CN108470525A (en) * 2018-03-12 2018-08-31 东莞市闻誉实业有限公司 Two-sided display screen
CN108470525B (en) * 2018-03-12 2021-01-05 东莞市闻誉实业有限公司 Double-sided display screen

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100526

Termination date: 20130807

C17 Cessation of patent right