CN202835278U - Passive heat-dissipation ventilation device for LED street lamp - Google Patents
Passive heat-dissipation ventilation device for LED street lamp Download PDFInfo
- Publication number
- CN202835278U CN202835278U CN2012203698948U CN201220369894U CN202835278U CN 202835278 U CN202835278 U CN 202835278U CN 2012203698948 U CN2012203698948 U CN 2012203698948U CN 201220369894 U CN201220369894 U CN 201220369894U CN 202835278 U CN202835278 U CN 202835278U
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- street lamp
- led street
- ventilation duct
- light pole
- air inlet
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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
Abstract
The utility model discloses a passive heat-dissipation ventilation device for an LED (light-emitting diode) street lamp, which comprises a street lamp post, wherein an end part of the street lamp post is fixedly connected with the LED street lamp; the LED street lamp is internally provided with a heat radiator; a ventilation pipe is arranged at the upper end part of the street lamp post; an air outlet of the ventilation pipe corresponds to the heat radiator in position; a wiring hole door closure is arranged at the low end of the street lamp post; and a plurality of air inlets are formed in the wiring hole door closure. With the adoption of the air inlets and the ventilation pipe, air entering the street lamp post is concentratedly oriented to the heat radiator of the LED street lamp on the premise of no influence on the strength and mechanical properties of the street lamp post, and the air ventilation speed between racks of the heat radiator can be accelerated; compared with the existing heat dissipation depending on natural heat convection, the heat dissipation efficiency is high, the heat dissipation effect is good, the service life of the LED street lamp can be prolonged effectively, and the ventilation pipe is lighter in deadweight, low in manufacturing cost and free from maintenance.
Description
Technical field
The utility model relates to high-power LED lighting fixture, is specifically related to the passive radiation ventilator of a kind of LED street lamp.
Background technology
The heat dissipation problem of street lamp is one of key factor that has a strong impact on the street lamp life-span, particularly the stronger LED street lamp of heat radiation.The solution of road lamp cooling mainly concentrates on the mode of heat conduction and thermal convection current and strengthens heat radiation.If street lamp reaches uniform temperature, then street lamp just breaks down than being easier to, maintenance cost is higher, use maximum be heat-conducting plate and fin etc. in the prior art, but the surperficial speed air flow of above-mentioned heat abstractor is less, and majority can only be discharged hot-air by thermal natural convection, and radiating efficiency is little, radiating effect is undesirable, and the street lamp life-span is shorter.In the LED street lamp, install fan additional and can promote to flow, but cost is higher, fragile, and the LED lamp is from great, and the motor oscillating of fan can cause the street lamp security to reduce.Therefore, be necessary heat radiating device of road lamp of the prior art is carried out architecture advances.
The utility model content
The purpose of this utility model is to overcome the defective that exists in the prior art, provide a kind of simple and reasonable, easily manufactured, cost is low, radiating effect is good, security is good, without the passive radiation ventilator of LED street lamp of safeguarding.
For achieving the above object, the technical solution of the utility model is: the passive radiation ventilator of a kind of LED street lamp, described ventilation unit comprises light pole, the end of described light pole is fixedly connected with the LED street lamp, be provided with radiator in the described LED street lamp, the low side of described light pole is provided with the wiring hole door closure, and the upper end of described light pole is provided with ventilation duct, the air outlet of described ventilation duct is corresponding with the position of described radiator, is provided with several fresh air inlets on the described wiring hole door closure.
For the air stream that ventilation duct is derived can be radiated larger heat dissipation region, preferred technical scheme is, described ventilation duct is Y shape, the root air inlet of described Y shape ventilation duct and the socket of the upper end of described light pole, two air outlets of described Y shape ventilation duct are corresponding with the position of described radiator.
In order to make ventilation duct and electric wire easy for installation, and avoid affecting the air-flow of air inlet, electric wire overflows at air inlet and light pole socket place, preferred technical scheme is, the air inlet external diameter of described Y shape ventilation duct is less than the internal diameter of described light pole end, the air inlet of described ventilation duct and described light pole end are socketed the boring of excessive place and are used for the electric wire derivation, also are provided with the flexible material for sealing between the air inlet outer surface of described ventilation duct and the described light pole end inner surface.
Air-flow blows to radiator in the ventilation duct in order further to concentrate, guarantee current rate, preferred technical scheme is, described air outlet is oval, the major axis place straight line of described two oval air outlets and radiator middle and lower part plane parallel, described two oval air outlet height are not higher than radiator middle and lower part height.
In order to make the air capacity maximization that enters light pole, make things convenient for simultaneously the setting of fresh air inlet, and guarantee the intensity of light pole, preferred technical scheme is that described fresh air inlet is circular or oval.
Further, vertical range between described Y shape ventilation duct plane, air inlet place and the plane, two air outlet places is 150～250mm, the distance of described two air outlet central points is 150～250mm, the major axis of described oval air outlet is 60～70mm, the minor axis of described oval air outlet is 20～40mm, and the height of described light pole is 9m～12m, and described fresh air inlet is circular, the diameter of described circular fresh air inlet is 12mm, and described several fresh air inlets are no less than 65.
Advantage of the present utility model and beneficial effect are:
By fresh air inlet and ventilation duct are set, under the prerequisite that does not affect light pole intensity and mechanical performance, with entering the radiator of the concentrated guiding of the air LED street lamp of light pole, accelerate the circulation of air speed between the radiator gear piece, compare with existing dependence thermal natural convection heat radiation, radiating efficiency is high, good heat dissipation effect can effectively prolong service life of LED street lamp, and this ventilation duct deadweight is lighter, low cost of manufacture, Maintenance free.
Description of drawings
Fig. 1 is the structural representation of the passive radiation ventilator of the utility model LED street lamp;
Fig. 2 is the structural representation of ventilation duct among Fig. 1.
Among the figure: 1, light pole; 2, LED street lamp; 3, radiator; 4, ventilation duct; 5, air outlet; 6, air inlet; 7, wiring hole door closure; 8, fresh air inlet.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is further described.Following examples only are used for the technical solution of the utility model more clearly is described, and can not limit protection domain of the present utility model with this.
As depicted in figs. 1 and 2, present embodiment is the passive radiation ventilator of LED street lamp, comprise light pole 1, the end of light pole 1 is fixedly connected with LED street lamp 2, be provided with radiator 3 in the LED street lamp 2, the low side of light pole 1 is provided with wiring hole door closure 7, and the upper end of light pole 1 is provided with ventilation duct 4, the air outlet 5 of ventilation duct 4 is corresponding with the position of radiator 3, is provided with several fresh air inlets 8 on the wiring hole door closure 7.
In the present embodiment, ventilation duct 4 is Y shape, and the root air inlet 6 of Y shape ventilation duct 4 is socketed with the upper end of light pole 1, and two air outlets 5 of Y shape ventilation duct 4 are corresponding with the position of radiator 3.
In the present embodiment, air inlet 6 external diameters of Y shape ventilation duct 4 are less than the internal diameter of light pole 1 end, air inlet 6 and light pole 1 end of ventilation duct 4 is socketed the boring of excessive place and is used for the electric wire derivation, also is provided with the flexible material for sealing between air inlet 6 outer surfaces of ventilation duct 4 and the light pole 1 end inner surface.
In the present embodiment, air outlet 5 is oval, the major axis place straight line of two oval air outlets 5 and radiator 3 middle and lower part plane parallel, and two oval air outlets 5 highly are not higher than radiator 3 middle and lower part height.
In the present embodiment, fresh air inlet 8 is circular.
In the present embodiment, vertical range between the air inlet plane, 6 place of Y shape ventilation duct 4 and the plane, two air outlet 5 places is 150～250mm, the distance of two air outlet 5 central points is 150～250mm, the major axis of oval air outlet 5 is 60～70mm, the minor axis of oval air outlet 5 is 20～40mm, and the height of light pole 1 is at least 6m, and fresh air inlet 8 is circular, the diameter of circular fresh air inlet 8 is 12mm, and several fresh air inlets 8 are 65.
In the present embodiment, the height of wiring hole door closure is 390mm, and width is 140mm, punch at the wiring hole door closure, 5 holes of the 13 every rows of row, after testing, such scheme can be applicable to the light pole more than 6 meters with the drop in temperature 5%-10% of LED street lamp, especially is useful in the light pole more than 9 to 12 meters.
The above only is preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. passive radiation ventilator of LED street lamp, described ventilation unit comprises light pole, the end of described light pole is fixedly connected with the LED street lamp, be provided with radiator in the described LED street lamp, the low side of described light pole is provided with the wiring hole door closure, it is characterized in that, the upper end of described light pole is provided with ventilation duct, the air outlet of described ventilation duct is corresponding with the position of described radiator, is provided with several fresh air inlets on the described wiring hole door closure.
2. the passive radiation ventilator of LED street lamp according to claim 1, it is characterized in that, described ventilation duct is Y shape, the root air inlet of described Y shape ventilation duct and the socket of the upper end of described light pole, and two air outlets of described Y shape ventilation duct are corresponding with the position of described radiator.
3. the passive radiation ventilator of LED street lamp according to claim 2, it is characterized in that, the air inlet external diameter of described Y shape ventilation duct is less than the internal diameter of described light pole end, the air inlet of described ventilation duct and described light pole end are socketed the boring of excessive place and are used for the electric wire derivation, also are provided with the flexible material for sealing between the air inlet outer surface of described ventilation duct and the described light pole end inner surface.
4. the passive radiation ventilator of LED street lamp according to claim 3, it is characterized in that, described air outlet is oval, the major axis place straight line of described two oval air outlets and radiator middle and lower part plane parallel, described two oval air outlet height are not higher than radiator middle and lower part height.
5. the passive radiation ventilator of LED street lamp according to claim 4 is characterized in that, described fresh air inlet is circular or oval.
6. the passive radiation ventilator of LED street lamp according to claim 5, it is characterized in that, vertical range between described Y shape ventilation duct plane, air inlet place and the plane, two air outlet places is 150～250mm, the distance of described two air outlet central points is 150～250mm, the major axis of described oval air outlet is 60～70mm, the minor axis of described oval air outlet is 20～40mm, the height of described light pole is 9m～12m, described fresh air inlet is circular, the diameter of described circular fresh air inlet is 12mm, and described several fresh air inlets are no less than 65.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203698948U CN202835278U (en) | 2012-06-28 | 2012-07-27 | Passive heat-dissipation ventilation device for LED street lamp |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220309162.X | 2012-06-28 | ||
| CN201220309162 | 2012-06-28 | ||
| CN2012203698948U CN202835278U (en) | 2012-06-28 | 2012-07-27 | Passive heat-dissipation ventilation device for LED street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202835278U true CN202835278U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203698948U Expired - Fee Related CN202835278U (en) | 2012-06-28 | 2012-07-27 | Passive heat-dissipation ventilation device for LED street lamp |
Country Status (1)
| Country | Link |
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| CN (1) | CN202835278U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019439A (en) * | 2014-06-04 | 2014-09-03 | 苏州博讯仪器有限公司 | Forced cooling LED lamp |
| CN108176512A (en) * | 2018-02-11 | 2018-06-19 | 广州市超凯贸易有限公司 | A kind of urban air processing system that haze is removed based on electrostatic |
-
2012
- 2012-07-27 CN CN2012203698948U patent/CN202835278U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019439A (en) * | 2014-06-04 | 2014-09-03 | 苏州博讯仪器有限公司 | Forced cooling LED lamp |
| CN108176512A (en) * | 2018-02-11 | 2018-06-19 | 广州市超凯贸易有限公司 | A kind of urban air processing system that haze is removed based on electrostatic |
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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: 20130327 Termination date: 20180727 |