CN203363876U - LED (light-emitting diode) street lamp implementing heat dissipation through convection - Google Patents
LED (light-emitting diode) street lamp implementing heat dissipation through convection Download PDFInfo
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- CN203363876U CN203363876U CN2013204653332U CN201320465333U CN203363876U CN 203363876 U CN203363876 U CN 203363876U CN 2013204653332 U CN2013204653332 U CN 2013204653332U CN 201320465333 U CN201320465333 U CN 201320465333U CN 203363876 U CN203363876 U CN 203363876U
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- power supply
- led
- street lamp
- convection
- heat
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- 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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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model relates to a LED (light-emitting diode) street lamp implementing heat dissipation through convection. The LED street lamp comprises a shell, LED modules and a power supply assembly, wherein the shell comprises an upper cover and a lower cover, the LED modules are arranged in the shell and run through light holes of the lower cover, the upper cover is provided with heat dissipating through holes above the LED modules, the length direction of the heat dissipating through hole is consistent with the length direction of the LED modules, the LED modules are arranged along the width direction, a ventilating gap is formed between every two adjacent LED modules, and the ventilating gaps are located under the heat-dissipating through holes; a lower cutoff wall is arranged among the power supply assembly and the light holes, and an upper cutoff wall is arranged among the power supply assembly and the heat-dissipating through holes. According to the utility model, the heat-dissipating through holes and the ventilating gaps facilitate the bottom-up flowing of heat-dissipating air, and during raining, rainwater passes through the LED street lamp from the heat-dissipating through holes and the ventilating gaps, thereby reducing the accumulation of rainwater; meanwhile, the lower cutoff wall and the upper cutoff wall take a waterproof effect on the power supply assembly; therefore, the whole structure improves the heat dissipation of the LED street lamp and also implements the water resistance of internal parts.
Description
Technical field
The utility model relates to lighting apparatus, relates in particular to a kind of LED street lamp of heat loss through convection.
Background technology
Street lamp is the important component part of city illumination, and traditional street lamp often adopts high-pressure mercury lamp, and high-pressure mercury lamp 360 degree are luminous, and the shortcoming that light loss is large has caused the huge waste of the energy.LED is converted into luminous energy by electric energy, and it is a kind of solid-state cold light source, and one of them maximum characteristic is little power consumptions, and therefore, the LED street lamp will become the optimal selection of roadway illumination and energy saving transformation.
The LED street lamp needs long-term illumination, and it is particularly important that its heat radiation seems.But general LED street lamp is in order to realize waterproof, adopt the design of hermetically-sealed construction on it between lower casing, make like this heat radiation of LED module only can form thermal convection current with the endoceliac air of shell, can not form with extraneous air direct convection current, be unfavorable for heat radiation, affected the life-span of LED module.
The utility model content
The purpose of this utility model is to provide a kind of LED street lamp of heat loss through convection, keeps the ability of its waterproof when can improve the radiating effect of LED street lamp.
For achieving the above object, the utility model is by the following technical solutions: a kind of LED street lamp of heat loss through convection, comprise housing, LED module and power supply module, housing comprises upper cover and the lower cover be mutually permanently connected, under be covered with loophole, the LED module is located in housing and is run through loophole, on be covered with strip heat radiation through hole, the heat radiation through hole is located at the top of LED module, the length direction of heat radiation through hole is consistent with the length direction of LED module, the LED module is arranged along its width, leave ventilation gap between the LED module of front and back, ventilation gap be positioned at the heat radiation through hole under, power supply module is electrically connected to the LED module by cable, power supply module and the position between loophole of lower cover are provided with lower core wall, upper cover power supply module and heat radiation be provided with between through hole corresponding under the upper core wall of core wall.
Further, power supply module comprises power supply and power supply installing plate, and power supply is fixed on the power supply installing plate, under the power supply installing plate is fixed in, covers.
Further, cable one end is connected with power supply by water joint, and the other end is connected with the LED module by water joint.
Further, lower cover is provided with the power supply heat sinking hole below the power supply installing plate.
Further, the LED module comprises fin, aluminium base, LED lamp pearl and clamping plate, and clamping plate are fixed in the aluminium base below by LED lamp pearl, and fin is fixed in the top of aluminium base, and the width of fin is greater than the width of aluminium base.
Further, form the circuit through hole between upper core wall and lower core wall.
Further, the both sides of the loophole of lower cover are provided with lower louvre, and lower louvre is arranged along the width of LED module.
Further, the quantity of LED module is 4.
Further, the quantity of heat radiation through hole is 9.
Further, the LED module is the Waterproof LED module.
The utility model beneficial effect compared with prior art is:
(1) leave ventilation gap between LED module of the present utility model, ventilation gap be positioned at the heat radiation through hole under, facilitated flowing from the bottom up of heat radiation air, simultaneously Sometimes When It Rains, rainwater directly passes the LED street lamp from heat radiation through hole and ventilation gap, reduced the accumulation of rainwater, and with core wall and upper core wall have played as the effect of power supply module waterproof at present, therefore total has been improved the heat radiation of LED street lamp by strengthening Air Flow, has also realized the waterproof of inner body simultaneously.
(2) power supply of the present utility model covers under being fixed in by the power supply installing plate, when needs are changed the power supply of different size, only need a power supply installing plate of extra replacing to get final product, do not need to change the housing of LED street lamp, improve the exchange convenience of LED street lamp, reduced the manufacturing cost of LED street lamp.
(3) in the utility model, the use of water joint has prevented that the chance water of cable from leaking electricity, and strengthened the security that water resistance has also improved the LED street lamp.
(4) in the utility model, the power supply heat sinking hole of lower cover is used to power supply module heat radiation, avoids the power supply module excess Temperature and loses efficacy, and has improved the service life of power supply module and LED street lamp.
(5) in the utility model, the width of fin is greater than the width of aluminium base, facilitated rainwater to discharge from the both sides of fin, reduce the rainwater that flows to aluminium base and LED lamp pearl, the area of dissipation that fin contacts with air is simultaneously increased, and has facilitated draining also to improve radiating effect simultaneously.
(6) lower louvre of the present utility model is in order to strengthen flowing of air, also to have facilitated draining when strengthening heat radiation.
The accompanying drawing explanation
Fig. 1 is the utility model embodiment Assembly of the parts stereogram (overlooking visual angle)
Fig. 2 is the utility model embodiment Assembly of the parts stereogram (looking up visual angle)
Fig. 3 is the utility model embodiment Assembly of the parts side view
Fig. 4 is the utility model embodiment Assembly of the parts cutaway view
The specific embodiment
In order to more fully understand technology contents of the present utility model, below in conjunction with specific embodiment, the technical solution of the utility model is described further and illustrates.
The concrete structure of the utility model embodiment as shown in Figures 1 to 4.This LED street lamp comprises housing 10, LED module 30 and power supply module 20.LED module 30 is the Waterproof LED module.Housing 10 comprises upper cover 11 and the lower cover 12 be mutually permanently connected.Lower cover 12 is provided with loophole 121, and LED module 30 is located in housing 10 and is run through loophole 121.Upper cover 11 is provided with strip heat radiation through hole 111.Heat radiation through hole 111 is located at the top of LED module 30.The length direction of heat radiation through hole 111 is consistent with the length direction of LED module 30.LED module 30 is arranged along its width.Before and after leave ventilation gap 301 between LED module 30, ventilation gap 301 be positioned at heat radiation through hole 111 under.Power supply module 20 is electrically connected to LED module 30 by cable.Power supply module 20 and the position between loophole 121 of lower cover 12 are provided with lower core wall 124.Upper cover 11 power supply module 20 and heat radiation be provided with between through hole 111 corresponding under the upper core wall 112 of core wall 124.Ventilation gap 301 coordinates and has facilitated flowing from the bottom up of the air that dispels the heat with heat radiation through hole 111, and Sometimes When It Rains, rainwater directly passes the LED street lamp from heat radiation through hole 111 and ventilation gap 301, reduced the accumulation of rainwater, with core wall 124 and upper core wall 112 have played as the effect of power supply module 20 waterproof at present, therefore total has been improved the heat radiation of LED street lamp by strengthening Air Flow, has also realized the waterproof of inner body simultaneously.
As shown in Figures 1 to 4, power supply module 20 comprises power supply 21 and power supply installing plate 22.Power supply 21 is fixed on power supply installing plate 22, and power supply installing plate 22 is fixed on lower cover 12.When needs are changed the power supply 21 of different size, only need a power supply installing plate 22 of extra replacing to get final product, do not need to change the housing 10 of LED street lamp, improved the convenience of the exchange of LED street lamp, reduced the manufacturing cost of LED street lamp.
As shown in Figures 1 to 4, cable one end is connected with power supply 21 by water joint, and the other end is connected with LED module 30 by water joint.The use of water joint has prevented the chance water electric leakage of cable, has strengthened the security that water resistance has also improved the LED street lamp.
As shown in Figures 1 to 4, lower cover 12 is provided with power supply heat sinking hole 122 below power supply installing plate 22.Power supply heat sinking hole 122 is used to power supply module 20 heat radiation, avoids power supply module 20 excess Temperatures and loses efficacy, and has improved the service life of power supply module 20 and LED street lamp.
As shown in Figures 1 to 4, LED module 30 comprises fin 31, aluminium base 32, LED lamp pearl 33 and clamping plate 34.Clamping plate 34 are fixed in aluminium base 32 belows by LED lamp pearl 33.Fin 31 is fixed in the top of aluminium base 32.The width of fin 31 is greater than the width of aluminium base 32, this has just facilitated rainwater to discharge from the both sides of fin 31, reduce the rainwater that flows to aluminium base 32 and LED lamp pearl 33, the area of dissipation that fin 31 contacts with air is simultaneously increased, and has facilitated draining also to improve radiating effect simultaneously.
As shown in Figures 1 to 4, form circuit through hole 101 between upper core wall 112 and lower core wall 124.Circuit through hole 101 is mainly used in allowing cable to pass through, and cable can be used sealing ring or fluid sealant etc. to be sealed when the circuit through hole 101.
As shown in Figures 1 to 4, the both sides of the loophole 121 of lower cover 12 are provided with lower louvre 123, and lower louvre 123 is arranged along the width of LED module 30.Lower louvre 123 is in order to strengthen flowing of air, also to have facilitated draining when strengthening heat radiation.
As shown in Figures 1 to 4, the quantity of LED module 30 is 4.The quantity of heat radiation through hole 111 is 9.
Above statement only further illustrates technology contents of the present utility model with embodiment; so that the reader is easier to understand; but do not represent that embodiment of the present utility model only limits to this, any technology of doing according to the utility model is extended or recreation, all is subject to protection of the present utility model.
Claims (10)
1. the LED street lamp of a heat loss through convection, comprise housing, LED module and power supply module, described housing comprises upper cover and the lower cover be mutually permanently connected, it is characterized in that, be covered with loophole under described, described LED module is located in housing and is run through loophole, be covered with strip heat radiation through hole on described, described heat radiation through hole is located at the top of LED module, the length direction of described heat radiation through hole is consistent with the length direction of LED module, described LED module is arranged along its width, leave ventilation gap between the LED module of front and back, described ventilation gap be positioned at the heat radiation through hole under, described power supply module is electrically connected to the LED module by cable, power supply module and the position between loophole of described lower cover are provided with lower core wall, described upper cover power supply module and heat radiation be provided with between through hole corresponding under the upper core wall of core wall.
2. the LED street lamp of heat loss through convection as claimed in claim 1, is characterized in that, described power supply module comprises power supply and power supply installing plate, and described power supply is fixed on the power supply installing plate, under described power supply installing plate is fixed in, covers.
3. the LED street lamp of heat loss through convection as claimed in claim 2, is characterized in that, described cable one end is connected with power supply by water joint, and the other end is connected with the LED module by water joint.
4. the LED street lamp of heat loss through convection as claimed in claim 2, is characterized in that, described lower cover is provided with the power supply heat sinking hole below the power supply installing plate.
5. the LED street lamp of heat loss through convection as claimed in claim 1, it is characterized in that, described LED module comprises fin, aluminium base, LED lamp pearl and clamping plate, described clamping plate are fixed in the aluminium base below by LED lamp pearl, described fin is fixed in the top of aluminium base, and the width of described fin is greater than the width of aluminium base.
6. as the LED street lamp of the described heat loss through convection of claim 1 to 5 any one, it is characterized in that, form the circuit through hole between described upper core wall and lower core wall.
7. as the LED street lamp of the described heat loss through convection of claim 1 to 5 any one, it is characterized in that, the both sides of the loophole of described lower cover are provided with lower louvre, and described lower louvre is arranged along the width of LED module.
8. as the LED street lamp of the described heat loss through convection of claim 1 to 5 any one, it is characterized in that, the quantity of described LED module is 4.
9. as the LED street lamp of the described heat loss through convection of claim 1 to 5 any one, it is characterized in that, the quantity of described heat radiation through hole is 9.
10. as the LED street lamp of the described heat loss through convection of claim 1 to 5 any one, it is characterized in that, described LED module is the Waterproof LED module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204653332U CN203363876U (en) | 2013-07-31 | 2013-07-31 | LED (light-emitting diode) street lamp implementing heat dissipation through convection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204653332U CN203363876U (en) | 2013-07-31 | 2013-07-31 | LED (light-emitting diode) street lamp implementing heat dissipation through convection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203363876U true CN203363876U (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204653332U Expired - Fee Related CN203363876U (en) | 2013-07-31 | 2013-07-31 | LED (light-emitting diode) street lamp implementing heat dissipation through convection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923340A (en) * | 2021-02-01 | 2021-06-08 | 江苏承煦电气集团有限公司 | Graphene LED street lamp module |
-
2013
- 2013-07-31 CN CN2013204653332U patent/CN203363876U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923340A (en) * | 2021-02-01 | 2021-06-08 | 江苏承煦电气集团有限公司 | Graphene LED street lamp module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20190731 |