CN201100619Y - LED road lamp - Google Patents

LED road lamp Download PDF

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Publication number
CN201100619Y
CN201100619Y CNU2007200551086U CN200720055108U CN201100619Y CN 201100619 Y CN201100619 Y CN 201100619Y CN U2007200551086 U CNU2007200551086 U CN U2007200551086U CN 200720055108 U CN200720055108 U CN 200720055108U CN 201100619 Y CN201100619 Y CN 201100619Y
Authority
CN
China
Prior art keywords
street lamp
groove
led street
heat conduction
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
CNU2007200551086U
Other languages
Chinese (zh)
Inventor
李斯嘉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuhai Taitan New Energy System Co.,Ltd.
Original Assignee
ZHUHAI CLEAR ENERGY SOURCES TECHNOLOGY Co Ltd
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 ZHUHAI CLEAR ENERGY SOURCES TECHNOLOGY Co Ltd filed Critical ZHUHAI CLEAR ENERGY SOURCES TECHNOLOGY Co Ltd
Priority to CNU2007200551086U priority Critical patent/CN201100619Y/en
Application granted granted Critical
Publication of CN201100619Y publication Critical patent/CN201100619Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/103—Outdoor lighting of streets or roads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The utility model discloses an LED street lamp aiming to provide an LED street lamp with effective heat dissipation and prolonged durability. The LED street lamp comprises a metal rear cover (1), a base plate (2), a translucent front cover (5) and a plurality of LED (6), wherein the LED (6) is installed on the front surface of the base plate (2), and both the LED and the base plate (2) are disposed in a cavity circled by the rear cover (1) and the front cover (6). The LED street lamp also comprises a heat conductive back board (3), a plurality of heat conductive tendons (4) and a plurality of convex portion (9) which is arranged on the rear surface of the base plate (2), wherein the heat conductive back board (3) is tightly connected with the inner surface of the rear cover (1), and the shape of the heat conductive back board (3) and the rear cover (1) is coordinated with each other, further the upper portion and the lower portion of the heat conductive tendon (4) are respectively connected with the heat conductive back board (3) and the convex portion (9). The LED street lamp is widely applicable to the outdoor lighting field.

Description

A kind of LED street lamp
Technical field
The utility model relates to a kind of LED street lamp.
Background technology
The energy consumption of lighting field accounts for 20% of whole electric energy, and that common illuminating lamp only has 30% electric energy to be used for is luminous, and all the other have changed into heat energy and have distributed to the external world.The heat that LED produces during because of its work is less, and luminous efficiency is higher, is regarded as cold light source.The LED street lamp is made up of substrate, lens and the cooling system etc. of band LED, compares with traditional incandescent lamp, fluorescent lamp, and its electric energy can reach more than 90%.Since it is born,, more and more be subjected to the attention of countries in the world with its efficient low-consume, energy-conserving and environment-protective, long characteristics of life-span.China is used for the electric power of street lighting present every year near 2,500 hundred million degree, and wherein if can have 1/3 to adopt the LED street lighting, annual just can the economize on electricity about 80,000,000,000 degree is equivalent to the annual electricity generating capacity in power station, Three Gorges basically.
Though LED is regarded as cold light source, still can produce certain heat during work.The operating temperature of LED generally should be less than 50 ℃.There is data to show that when the operating temperature of LED reaches 55 ℃, its life-span will reduce half.The heat radiation system of present LED street lamp is imperfection very, has become it and has applied stumbling-block in the process, and is even more serious for middle this kind of high-capacity LED street lamp situation.Therefore heat dissipation technology has become one of main direction of studying of person skilled.
Street lamp is in outdoor environment for a long time, requires waterproof and dustproof, protection against insect on the structure, and its lampshade must be the cavity of a sealing.The LED of LED street lamp will work in the environment of sealing equally, and this just means that it can't can only outwards dispel the heat by lampshade by cross-ventilation directly to external world's heat radiation.For this reason, some technical staff is provided with fin at substrate back, and the heat that LED is sent in time is dispersed in the air by fin.Limited but the lampshade inner space is sealed, can't form effective convection current, the heat transfer coefficient of air is low again, so this LED street lamp is only very fast to the heat radiation of fin from LED, and very slow from fin to external world's heat radiation, can't adapt to the long-term work requirement of street lamp.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, the LED street lamp that provide a kind of good heat dissipation effect, effectively increases the service life.
First kind of technical scheme that the utility model adopted is: the utility model comprises the metal back cover, substrate, the printing opacity front shroud, several LED, several described LED are installed on the front of described substrate, and in described substrate is arranged at the chamber that described back cover and described front shroud surround, described LED street lamp also comprises the heat conduction backboard, several heat conduction muscle, the back side of described substrate is provided with some protuberances, described heat conduction backboard closely contacts connection mutually with the inner surface of described back cover and the shape of the two is suitable, on the described heat conduction muscle, the bottom respectively with described heat conduction backboard, described protuberance is connected.
Described protuberance is provided with groove, and the bottom shape of described heat conduction muscle and described groove are suitable and be fixedly set in the described groove.
Described groove is straight trough or dovetail groove.
The bottom of described groove is provided with the heat-conducting glue groove.
Further, described LED street lamp also comprises the location securing member, and described location securing member is connected to a fixed the bottom and the described protuberance of described heat conduction muscle.
Further, described substrate is provided with some wiring ducts.
Second kind of technical scheme that the utility model adopted is: the utility model comprises the metal back cover, substrate, the printing opacity front shroud, several LED, several described LED are installed on the front of described substrate, and in described substrate is arranged at the chamber that described back cover and described front shroud surround, described LED street lamp also comprises the heat conduction backboard, several heat conduction muscle, the back side of described substrate is provided with some protuberances, described heat conduction backboard closely contacts connection mutually with the inner surface of described back cover and the shape of the two is suitable, on the described heat conduction muscle, the bottom respectively with described heat conduction backboard, described protuberance is connected.
The bottom of described heat conduction muscle is provided with groove upwards, and the top shape of described protuberance and described groove are suitable and be fixedly set in the described groove.
Described groove is straight trough or dovetail groove.
Further, described LED street lamp also comprises the location securing member, and described location securing member is connected to a fixed the bottom and the described protuberance of described heat conduction muscle.
Further, described substrate is provided with some wiring ducts.
The beneficial effects of the utility model are: because the utility model comprises the heat conduction backboard, several heat conduction muscle, the back side of described substrate is provided with some protuberances, described heat conduction backboard closely contacts connection mutually with the inner surface of described back cover and the shape of the two is suitable, on the described heat conduction muscle, the bottom respectively with described heat conduction backboard, described protuberance is connected, such structure make heat that street lamp when work LED produces through the described protuberance of described substrate successively by described heat conduction muscle, described heat conduction backboard conducts described back cover, and be diffused in the external environment by the described back cover of metal manufacturing, LED is under the suitable operating temperature state all the time, the life-span reduction of having avoided LED at high temperature to work for a long time causing, so the utility model good heat dissipation effect can effectively increase the service life;
Because protuberance described in the utility model is provided with groove, the bottom shape of described heat conduction muscle and described groove are suitable and be fixedly set in the described groove; Perhaps, the bottom of described heat conduction muscle is provided with groove upwards, and the top shape of described protuberance and described groove are suitable and be fixedly set in the described groove, this structure makes that described heat conduction muscle is firm with being connected of described substrate, contact area is big, helps heat radiation, so the utility model good heat dissipation effect;
Because the bottom of groove described in the utility model is provided with the heat-conducting glue groove, can in described heat-conducting glue groove, put into heat-conducting glue, then described heat conduction muscle is matched with described protuberance and be connected, make heat-conducting glue that the trickle slit between described heat conduction muscle and the described protuberance is filled up, more help heat conduction, so the utility model radiating effect is better;
Because the utility model also comprises the location securing member, described location securing member is connected to a fixed the bottom and the described protuberance of described heat conduction muscle, makes that described heat conduction muscle is more firm with being connected of described substrate, and anti-shake performance is good, so the utility model structure is firm;
Because substrate described in the utility model is provided with some wiring ducts, electric wire can be placed in the described wiring duct, so the utility model is convenient to arrange neat appearance and be convenient to recognize of electric wire.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the local structure for amplifying schematic diagram in the I place of LED street lamp shown in Figure 1;
Fig. 3 is the structural representation that the utility model embodiment two heat conduction muscle are connected with substrate;
Fig. 4 is the structural representation that the utility model embodiment three heat conduction muscle are connected with substrate.
The specific embodiment
Embodiment one:
As Fig. 1, shown in Figure 2, the utility model comprises metal back cover 1, substrate 2, heat conduction backboard 3, several heat conduction muscle 4, printing opacity front shroud 5, several LED 6, several described LED 6 are installed on the front of described substrate 2, and in described substrate 2 is arranged at the chamber that described back cover 1 and described front shroud 6 surround, described substrate 2 is the indent formula, can certainly be other shapes such as raised type, the back side of described substrate 2 is provided with some wiring ducts 8 and some protuberances 9, certain described wiring duct 8 also can be arranged on the front of described substrate 2, electric wire 7 is placed in the described wiring duct 8, be convenient to electric wire arrange neat appearance and be convenient to the identification, described heat conduction backboard 3 closely contacts connection mutually with the inner surface of described back cover 1 and the shape of the two is suitable, on the described heat conduction muscle 4, the bottom respectively with described heat conduction backboard 3, described protuberance 9 is connected.The top of described heat conduction muscle 4 and described heat radiation backboard 3 link together by welding manner, can certainly adopt other fixedly connected modes such as continuous casting.Described protuberance 9 is provided with groove 10, and described groove 10 is a straight trough, and the bottom shape of described heat conduction muscle 4 and described groove 10 are suitable and be fixedly set in the described groove 10, and the bottom of described groove 10 is provided with heat-conducting glue groove 11.Described LED street lamp also comprises location securing member 12, and described location securing member 12 adopts screw that the bottom and the described protuberance 9 of described heat conduction muscle 4 are connected to a fixed.
Embodiment two:
As shown in Figure 3, the difference of present embodiment and embodiment one is: described groove 10 is dovetail groove, and present embodiment is not provided with described location securing member 12, but the given shape of dependence dovetail groove itself reaches the purpose of stationary positioned.
All the other features of present embodiment are with embodiment one.
Embodiment three:
As shown in Figure 4, the difference of present embodiment and embodiment two is: the bottom of described heat conduction muscle 4 is provided with groove 13 upwards, the top shape of described protuberance 9 and described groove 13 are suitable and be fixedly set in the described groove 13, described groove 13 is a dovetail groove, certainly, described groove 13 also can be straight trough, and present embodiment is not provided with described heat-conducting glue groove 11.
All the other features of present embodiment are with embodiment two.
The utility model is simple in structure, easy for installation, luminous efficiency is high, good heat dissipation effect, long service life, is the desirable regeneration product of existing street lamp.
The utility model can be widely used in outdoor illumination field.

Claims (10)

1, a kind of LED street lamp, comprise metal back cover (1), substrate (2), printing opacity front shroud (5), several LED (6), several described LED (6) are installed on the front of described substrate (2), and in described substrate (2) is arranged at the chamber that described back cover (1) and described front shroud (6) surround, it is characterized in that: described LED street lamp also comprises heat conduction backboard (3), several heat conduction muscle (4), the back side of described substrate (2) is provided with some protuberances (9), described heat conduction backboard (3) closely contacts connection mutually with the inner surface of described back cover (1) and the shape of the two is suitable, on the described heat conduction muscle (4), the bottom respectively with described heat conduction backboard (3), described protuberance (9) is connected.
2, a kind of LED street lamp according to claim 1, it is characterized in that: described protuberance (9) is provided with groove (10), and the bottom shape of described heat conduction muscle (4) and described groove (10) are suitable and be fixedly set in the described groove (10).
3, a kind of LED street lamp according to claim 2 is characterized in that: described groove (10) is a straight trough.
4, a kind of LED street lamp according to claim 2 is characterized in that: described groove (10) is a dovetail groove
5, according to claim 2 or 3 or 4 described a kind of LED street lamps, it is characterized in that: the bottom of described groove (10) is provided with heat-conducting glue groove (11).
6, a kind of LED street lamp according to claim 1 is characterized in that: the bottom of described heat conduction muscle (4) is provided with groove (13) upwards, and the top shape of described protuberance (9) and described groove (13) are suitable and be fixedly set in the described groove (13).
7, a kind of LED street lamp according to claim 6 is characterized in that: described groove (13) is a straight trough.
8, a kind of LED street lamp according to claim 6 is characterized in that: described groove (13) is a dovetail groove.
9, want 1 described a kind of LED street lamp according to right, it is characterized in that: described LED street lamp also comprises location securing member (12), and described location securing member (12) is connected to a fixed the bottom and the described protuberance (9) of described heat conduction muscle (4).
10, a kind of LED street lamp according to claim 1, it is characterized in that: described substrate (2) is provided with some wiring ducts (8).
CNU2007200551086U 2007-08-02 2007-08-02 LED road lamp Expired - Fee Related CN201100619Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200551086U CN201100619Y (en) 2007-08-02 2007-08-02 LED road lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200551086U CN201100619Y (en) 2007-08-02 2007-08-02 LED road lamp

Publications (1)

Publication Number Publication Date
CN201100619Y true CN201100619Y (en) 2008-08-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007200551086U Expired - Fee Related CN201100619Y (en) 2007-08-02 2007-08-02 LED road lamp

Country Status (1)

Country Link
CN (1) CN201100619Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2442928C1 (en) * 2010-06-08 2012-02-20 Научно-производственное республиканское унитарное предприятие "НПО "Центр" Lamp for open spaces
CN101684934B (en) * 2008-09-25 2012-12-26 富准精密工业(深圳)有限公司 Light-emitting diode lighting device
FR2998032A1 (en) * 2012-11-09 2014-05-16 Novea En Lantern for use at top of mast of street lamp for public lighting, has LED fixed to printed circuit board and provided in front of fins, fins provided integral with open shell, and printed circuit board fixed at free ends of fins

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101684934B (en) * 2008-09-25 2012-12-26 富准精密工业(深圳)有限公司 Light-emitting diode lighting device
RU2442928C1 (en) * 2010-06-08 2012-02-20 Научно-производственное республиканское унитарное предприятие "НПО "Центр" Lamp for open spaces
FR2998032A1 (en) * 2012-11-09 2014-05-16 Novea En Lantern for use at top of mast of street lamp for public lighting, has LED fixed to printed circuit board and provided in front of fins, fins provided integral with open shell, and printed circuit board fixed at free ends of fins

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Legal Events

Date Code Title Description
EE01 Entry into force of recordation of patent licensing contract

Assignee: Zhuhai Clear Energy Sources Technology Co., Ltd.

Assignor: Li Sijia

Contract fulfillment period: 2007.12.6 to 2017.8.2

Contract record no.: 2007990000113

Denomination of utility model: LED road lamp

Granted publication date: unauthorized

License type: Exclusive license

Record date: 20071225

LIC Patent licence contract for exploitation submitted for record

Free format text: EXCLUSIVE LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.12.6 TO 2017.8.2

Name of requester: ZHUHAI CLEAR ENERGY SOURCES TECHNOLOGY CO., LTD.

Effective date: 20071225

C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: ZHUHAI TAITAN NEW ENERGY SYSTEM CO., LTD.

Free format text: FORMER NAME: ZHUHAI CLEAR ENERGY SOURCES TECHNOLOGY CO., LTD.

CP03 Change of name, title or address

Address after: On the second floor, No. 60 Guangdong Jida west city of Zhuhai province zip code: 519000

Patentee after: Zhuhai Taitan New Energy System Co.,Ltd.

Address before: On the second floor, No. 60 Guangdong Jida west city of Zhuhai province zip code: 519000

Patentee before: Zhuhai Clear Energy Sources Technology Co., Ltd.

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080813

Termination date: 20120802